Merge branch 'upstream-curl' into update-curl

* upstream-curl:
  curl 2018-01-23 (d6c21c8e)

100 files changed, 8933 insertions, 4124 deletions

diff --git a/Utilities/cmcurl/CMake/curl-config.cmake b/Utilities/cmcurl/CMake/curl-config.cmake
new file mode 100644
index 0000000000..119332cddb
--- /dev/null
+++ b/Utilities/cmcurl/CMake/curl-config.cmake
@@ -0,0 +1,59 @@
+
+get_filename_component(_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+
+if(NOT CURL_FIND_COMPONENTS)
+    set(CURL_FIND_COMPONENTS curl libcurl)
+    if(CURL_FIND_REQUIRED)
+        set(CURL_FIND_REQUIRED_curl TRUE)
+        set(CURL_FIND_REQUIRED_libcurl TRUE)
+    endif()
+endif()
+
+set(_curl_missing_components)
+foreach(_comp ${CURL_FIND_COMPONENTS})
+    if(EXISTS "${_DIR}/${_comp}-target.cmake")
+        include("${_DIR}/${_comp}-target.cmake")
+        set(CURL_${_comp}_FOUND TRUE)
+    else()
+        set(CURL_${_comp}_FOUND FALSE)
+        if(CURL_FIND_REQUIRED_${_comp})
+            set(CURL_FOUND FALSE)
+            list(APPEND _curl_missing_components ${_comp})
+        endif()
+    endif()
+endforeach()
+
+if(_curl_missing_components)
+    set(CURL_NOT_FOUND_MESSAGE "Following required components not found: " ${_curl_missing_components})
+else()
+    if(TARGET CURL::libcurl)
+        string(TOUPPER "${CMAKE_BUILD_TYPE}" _curl_current_config)
+        if(NOT _curl_current_config)
+            set(_curl_current_config "NOCONFIG")
+        endif()
+        get_target_property(_curl_configurations CURL::libcurl IMPORTED_CONFIGURATIONS)
+        list(FIND _curl_configurations "${_curl_current_config}" _i)
+        if(_i LESS 0)
+            set(_curl_config "RELEASE")
+            list(FIND _curl_configurations "${_curl_current_config}" _i)
+            if(_i LESS 0)
+                set(_curl_config "NOCONFIG")
+                list(FIND _curl_configurations "${_curl_current_config}" _i)
+            endif()
+        endif()
+
+        if(_i LESS 0)
+            set(_curl_current_config "") # let CMake pick config at random
+        else()
+	    set(_curl_current_config "_${_curl_current_config}")
+        endif()
+
+        get_target_property(CURL_INCLUDE_DIRS CURL::libcurl INTERFACE_INCLUDE_DIRECTORIES)
+        get_target_property(CURL_LIBRARIES CURL::libcurl "LOCATION${_curl_current_config}")
+        set(_curl_current_config)
+        set(_curl_configurations)
+        set(_i)
+    endif()
+endif()
+
+unset(_curl_missing_components)
diff --git a/Utilities/cmcurl/CMakeLists.txt b/Utilities/cmcurl/CMakeLists.txt
index a831f7f4aa..148ca5d33a 100644
--- a/Utilities/cmcurl/CMakeLists.txt
+++ b/Utilities/cmcurl/CMakeLists.txt
@@ -123,7 +123,7 @@ endif()
 # To check:
 # (From Daniel Stenberg) The cmake build selected to run gcc with -fPIC on my box while the plain configure script did not.
 # (From Daniel Stenberg) The gcc command line use neither -g nor any -O options. As a developer, I also treasure our configure scripts's --enable-debug option that sets a long range of "picky" compiler options.
-cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
+cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
 include(Utilities)
 include(Macros)
@@ -468,7 +468,6 @@ if(CMAKE_USE_OPENSSL)
   check_include_file("openssl/engine.h" HAVE_OPENSSL_ENGINE_H)
   check_include_file("openssl/err.h"    HAVE_OPENSSL_ERR_H)
   check_include_file("openssl/pem.h"    HAVE_OPENSSL_PEM_H)
-  check_include_file("openssl/pkcs12.h" HAVE_OPENSSL_PKCS12_H)
   check_include_file("openssl/rsa.h"    HAVE_OPENSSL_RSA_H)
   check_include_file("openssl/ssl.h"    HAVE_OPENSSL_SSL_H)
   check_include_file("openssl/x509.h"   HAVE_OPENSSL_X509_H)
@@ -868,7 +867,6 @@ check_include_file_concat("ifaddrs.h"        HAVE_IFADDRS_H)
 check_include_file_concat("io.h"             HAVE_IO_H)
 check_include_file_concat("krb.h"            HAVE_KRB_H)
 check_include_file_concat("libgen.h"         HAVE_LIBGEN_H)
-check_include_file_concat("limits.h"         HAVE_LIMITS_H)
 check_include_file_concat("locale.h"         HAVE_LOCALE_H)
 check_include_file_concat("net/if.h"         HAVE_NET_IF_H)
 check_include_file_concat("netdb.h"          HAVE_NETDB_H)
@@ -997,10 +995,12 @@ check_symbol_exists(ftruncate      "${CURL_INCLUDES}" HAVE_FTRUNCATE)
 check_symbol_exists(getprotobyname "${CURL_INCLUDES}" HAVE_GETPROTOBYNAME)
 check_symbol_exists(getrlimit      "${CURL_INCLUDES}" HAVE_GETRLIMIT)
 check_symbol_exists(setlocale      "${CURL_INCLUDES}" HAVE_SETLOCALE)
+check_symbol_exists(setmode        "${CURL_INCLUDES}" HAVE_SETMODE)
 check_symbol_exists(setrlimit      "${CURL_INCLUDES}" HAVE_SETRLIMIT)
 check_symbol_exists(fcntl          "${CURL_INCLUDES}" HAVE_FCNTL)
 check_symbol_exists(ioctl          "${CURL_INCLUDES}" HAVE_IOCTL)
 check_symbol_exists(setsockopt     "${CURL_INCLUDES}" HAVE_SETSOCKOPT)
+check_function_exists(mach_absolute_time HAVE_MACH_ABSOLUTE_TIME)
 
 # symbol exists in win32, but function does not.
 if(WIN32)
@@ -1253,6 +1253,12 @@ function(TRANSFORM_MAKEFILE_INC INPUT_FILE OUTPUT_FILE)
 
 endfunction()
 
+if(WIN32 AND NOT CYGWIN)
+    set(CURL_INSTALL_CMAKE_DIR CMake)
+else()
+    set(CURL_INSTALL_CMAKE_DIR lib/cmake/curl)
+endif()
+
 if(USE_MANUAL)
   add_subdirectory(docs)
 endif()
@@ -1416,6 +1422,25 @@ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/curl"
     DESTINATION include
     FILES_MATCHING PATTERN "*.h")
 
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+    "${PROJECT_BINARY_DIR}/curl-config-version.cmake"
+    VERSION ${CURL_VERSION}
+    COMPATIBILITY SameMajorVersion
+)
+
+configure_file(CMake/curl-config.cmake
+        "${PROJECT_BINARY_DIR}/curl-config.cmake"
+        COPYONLY
+)
+
+install(
+        FILES ${PROJECT_BINARY_DIR}/curl-config.cmake
+              ${PROJECT_BINARY_DIR}/curl-config-version.cmake
+        DESTINATION ${CURL_INSTALL_CMAKE_DIR}
+)
+
 # Workaround for MSVS10 to avoid the Dialog Hell
 # FIXME: This could be removed with future version of CMake.
 if(MSVC_VERSION EQUAL 1600)
diff --git a/Utilities/cmcurl/COPYING b/Utilities/cmcurl/COPYING
index 1e45a5e2cd..560a49dcee 100644
--- a/Utilities/cmcurl/COPYING
+++ b/Utilities/cmcurl/COPYING
@@ -1,6 +1,6 @@
 COPYRIGHT AND PERMISSION NOTICE
 
-Copyright (c) 1996 - 2017, Daniel Stenberg, <daniel@haxx.se>, and many
+Copyright (c) 1996 - 2018, Daniel Stenberg, <daniel@haxx.se>, and many
 contributors, see the THANKS file.
 
 All rights reserved.
diff --git a/Utilities/cmcurl/include/curl/curl.h b/Utilities/cmcurl/include/curl/curl.h
index 5b4fd0f472..a96124d1c3 100644
--- a/Utilities/cmcurl/include/curl/curl.h
+++ b/Utilities/cmcurl/include/curl/curl.h
@@ -715,6 +715,7 @@ typedef enum {
 #define CURLSSH_AUTH_HOST      (1<<2) /* host key files */
 #define CURLSSH_AUTH_KEYBOARD  (1<<3) /* keyboard interactive */
 #define CURLSSH_AUTH_AGENT     (1<<4) /* agent (ssh-agent, pageant...) */
+#define CURLSSH_AUTH_GSSAPI    (1<<5) /* gssapi (kerberos, ...) */
 #define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
 
 #define CURLGSSAPI_DELEGATION_NONE        0      /* no delegation (default) */
@@ -727,7 +728,9 @@ enum curl_khtype {
   CURLKHTYPE_UNKNOWN,
   CURLKHTYPE_RSA1,
   CURLKHTYPE_RSA,
-  CURLKHTYPE_DSS
+  CURLKHTYPE_DSS,
+  CURLKHTYPE_ECDSA,
+  CURLKHTYPE_ED25519
 };
 
 struct curl_khkey {
@@ -935,7 +938,7 @@ typedef enum {
   CINIT(READDATA, OBJECTPOINT, 9),
 
   /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
-   * bytes big. If this is not used, error messages go to stderr instead: */
+   * bytes big. */
   CINIT(ERRORBUFFER, OBJECTPOINT, 10),
 
   /* Function that will be called to store the output (instead of fwrite). The
@@ -2514,7 +2517,7 @@ typedef enum {
   CURLCLOSEPOLICY_LAST /* last, never use this */
 } curl_closepolicy;
 
-#define CURL_GLOBAL_SSL (1<<0)
+#define CURL_GLOBAL_SSL (1<<0) /* no purpose since since 7.57.0 */
 #define CURL_GLOBAL_WIN32 (1<<1)
 #define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
 #define CURL_GLOBAL_NOTHING 0
@@ -2592,6 +2595,7 @@ typedef enum {
   CURLVERSION_SECOND,
   CURLVERSION_THIRD,
   CURLVERSION_FOURTH,
+  CURLVERSION_FIFTH,
   CURLVERSION_LAST /* never actually use this */
 } CURLversion;
 
@@ -2600,7 +2604,7 @@ typedef enum {
    meant to be a built-in version number for what kind of struct the caller
    expects. If the struct ever changes, we redefine the NOW to another enum
    from above. */
-#define CURLVERSION_NOW CURLVERSION_FOURTH
+#define CURLVERSION_NOW CURLVERSION_FIFTH
 
 typedef struct {
   CURLversion age;          /* age of the returned struct */
@@ -2628,6 +2632,12 @@ typedef struct {
 
   const char *libssh_version; /* human readable string */
 
+  /* These fields were added in CURLVERSION_FIFTH */
+
+  unsigned int brotli_ver_num; /* Numeric Brotli version
+                                  (MAJOR << 24) | (MINOR << 12) | PATCH */
+  const char *brotli_version; /* human readable string. */
+
 } curl_version_info_data;
 
 #define CURL_VERSION_IPV6         (1<<0)  /* IPv6-enabled */
@@ -2658,6 +2668,7 @@ typedef struct {
                                              for cookie domain verification */
 #define CURL_VERSION_HTTPS_PROXY  (1<<21) /* HTTPS-proxy support built-in */
 #define CURL_VERSION_MULTI_SSL    (1<<22) /* Multiple SSL backends available */
+#define CURL_VERSION_BROTLI       (1<<23) /* Brotli features are present. */
 
  /*
  * NAME curl_version_info()
diff --git a/Utilities/cmcurl/include/curl/curlver.h b/Utilities/cmcurl/include/curl/curlver.h
index 18dc356d1d..a47c454949 100644
--- a/Utilities/cmcurl/include/curl/curlver.h
+++ b/Utilities/cmcurl/include/curl/curlver.h
@@ -30,12 +30,12 @@
 
 /* This is the version number of the libcurl package from which this header
    file origins: */
-#define LIBCURL_VERSION "7.56.0"
+#define LIBCURL_VERSION "7.58.0"
 
 /* The numeric version number is also available "in parts" by using these
    defines: */
 #define LIBCURL_VERSION_MAJOR 7
-#define LIBCURL_VERSION_MINOR 56
+#define LIBCURL_VERSION_MINOR 58
 #define LIBCURL_VERSION_PATCH 0
 
 /* This is the numeric version of the libcurl version number, meant for easier
@@ -57,7 +57,7 @@
    CURL_VERSION_BITS() macro since curl's own configure script greps for it
    and needs it to contain the full number.
 */
-#define LIBCURL_VERSION_NUM 0x073800
+#define LIBCURL_VERSION_NUM 0x073A00
 
 /*
  * This is the date and time when the full source package was created. The
diff --git a/Utilities/cmcurl/include/curl/system.h b/Utilities/cmcurl/include/curl/system.h
index 39dae754cd..07bbd9ca94 100644
--- a/Utilities/cmcurl/include/curl/system.h
+++ b/Utilities/cmcurl/include/curl/system.h
@@ -348,7 +348,8 @@
    defined(__ppc__) || defined(__powerpc__) || defined(__arm__) ||      \
    defined(__sparc__) || defined(__mips__) || defined(__sh__) ||        \
    defined(__XTENSA__) ||                                               \
-   (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4))
+   (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 4)  ||               \
+   (defined(__LONG_MAX__) && __LONG_MAX__ == 2147483647L))
 #    define CURL_TYPEOF_CURL_OFF_T     long long
 #    define CURL_FORMAT_CURL_OFF_T     "lld"
 #    define CURL_FORMAT_CURL_OFF_TU    "llu"
@@ -356,7 +357,8 @@
 #    define CURL_SUFFIX_CURL_OFF_TU    ULL
 #  elif defined(__LP64__) || \
         defined(__x86_64__) || defined(__ppc64__) || defined(__sparc64__) || \
-        (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 8)
+        (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__ == 8) || \
+        (defined(__LONG_MAX__) && __LONG_MAX__ == 9223372036854775807L)
 #    define CURL_TYPEOF_CURL_OFF_T     long
 #    define CURL_FORMAT_CURL_OFF_T     "ld"
 #    define CURL_FORMAT_CURL_OFF_TU    "lu"
diff --git a/Utilities/cmcurl/lib/CMakeLists.txt b/Utilities/cmcurl/lib/CMakeLists.txt
index f3d9084d89..9f19daa790 100644
--- a/Utilities/cmcurl/lib/CMakeLists.txt
+++ b/Utilities/cmcurl/lib/CMakeLists.txt
@@ -132,8 +132,25 @@ if(WIN32)
   endif()
 endif()
 
+target_include_directories(${LIB_NAME} INTERFACE
+	$<INSTALL_INTERFACE:include>)
+
 install(TARGETS ${LIB_NAME}
+  EXPORT libcurl-target
   ARCHIVE DESTINATION lib
   LIBRARY DESTINATION lib
-  RUNTIME DESTINATION bin)
+  RUNTIME DESTINATION bin
+)
+
+export(TARGETS ${LIB_NAME}
+       APPEND FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
+       NAMESPACE CURL::
+)
+
+install(EXPORT libcurl-target
+        FILE libcurl-target.cmake
+        NAMESPACE CURL::
+        DESTINATION ${CURL_INSTALL_CMAKE_DIR}
+)
+
 endif()
diff --git a/Utilities/cmcurl/lib/Makefile.inc b/Utilities/cmcurl/lib/Makefile.inc
index 5c0b930cf8..61e80cf528 100644
--- a/Utilities/cmcurl/lib/Makefile.inc
+++ b/Utilities/cmcurl/lib/Makefile.inc
@@ -5,7 +5,7 @@
 #                            | (__| |_| |  _ <| |___
 #                             \___|\___/|_| \_\_____|
 #
-# Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
 #
 # This software is licensed as described in the file COPYING, which
 # you should have received as part of this distribution. The terms
@@ -46,7 +46,7 @@ LIB_CFILES = file.c timeval.c base64.c hostip.c progress.c formdata.c   \
   http_digest.c md4.c md5.c http_negotiate.c inet_pton.c strtoofft.c    \
   strerror.c amigaos.c hostasyn.c hostip4.c hostip6.c hostsyn.c         \
   inet_ntop.c parsedate.c select.c tftp.c splay.c strdup.c socks.c      \
-  ssh.c curl_addrinfo.c socks_gssapi.c socks_sspi.c            \
+  ssh.c ssh-libssh.c curl_addrinfo.c socks_gssapi.c socks_sspi.c            \
   curl_sspi.c slist.c nonblock.c curl_memrchr.c imap.c pop3.c smtp.c    \
   pingpong.c rtsp.c curl_threads.c warnless.c hmac.c curl_rtmp.c        \
   openldap.c curl_gethostname.c gopher.c idn_win32.c                    \
@@ -54,7 +54,7 @@ LIB_CFILES = file.c timeval.c base64.c hostip.c progress.c formdata.c   \
   http_ntlm.c curl_ntlm_wb.c curl_ntlm_core.c curl_sasl.c rand.c        \
   curl_multibyte.c hostcheck.c conncache.c pipeline.c dotdot.c          \
   x509asn1.c http2.c smb.c curl_endian.c curl_des.c system_win32.c      \
-  mime.c
+  mime.c sha256.c setopt.c curl_path.c
 
 LIB_HFILES = arpa_telnet.h netrc.h file.h timeval.h hostip.h progress.h \
   formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h if2ip.h         \
@@ -73,7 +73,8 @@ LIB_HFILES = arpa_telnet.h netrc.h file.h timeval.h hostip.h progress.h \
   curl_sasl.h curl_multibyte.h hostcheck.h conncache.h                  \
   curl_setup_once.h multihandle.h setup-vms.h pipeline.h dotdot.h       \
   x509asn1.h http2.h sigpipe.h smb.h curl_endian.h curl_des.h           \
-  curl_printf.h system_win32.h rand.h mime.h
+  curl_printf.h system_win32.h rand.h mime.h curl_sha256.h setopt.h     \
+  curl_path.h
 
 LIB_RCFILES = libcurl.rc
 
diff --git a/Utilities/cmcurl/lib/asyn-ares.c b/Utilities/cmcurl/lib/asyn-ares.c
index 87e70b4d91..aa581a49a0 100644
--- a/Utilities/cmcurl/lib/asyn-ares.c
+++ b/Utilities/cmcurl/lib/asyn-ares.c
@@ -22,9 +22,15 @@
 
 #include "curl_setup.h"
 
-#ifdef HAVE_LIMITS_H
+/***********************************************************************
+ * Only for ares-enabled builds
+ * And only for functions that fulfill the asynch resolver backend API
+ * as defined in asyn.h, nothing else belongs in this file!
+ **********************************************************************/
+
+#ifdef CURLRES_ARES
+
 #include <limits.h>
-#endif
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
@@ -48,14 +54,6 @@
 #define in_addr_t unsigned long
 #endif
 
-/***********************************************************************
- * Only for ares-enabled builds
- * And only for functions that fulfill the asynch resolver backend API
- * as defined in asyn.h, nothing else belongs in this file!
- **********************************************************************/
-
-#ifdef CURLRES_ARES
-
 #include "urldata.h"
 #include "sendf.h"
 #include "hostip.h"
@@ -354,8 +352,8 @@ CURLcode Curl_resolver_wait_resolv(struct connectdata *conn,
 {
   CURLcode result = CURLE_OK;
   struct Curl_easy *data = conn->data;
-  long timeout;
-  struct curltime now = Curl_tvnow();
+  timediff_t timeout;
+  struct curltime now = Curl_now();
   struct Curl_dns_entry *temp_entry;
 
   if(entry)
@@ -400,8 +398,8 @@ CURLcode Curl_resolver_wait_resolv(struct connectdata *conn,
     if(Curl_pgrsUpdate(conn))
       result = CURLE_ABORTED_BY_CALLBACK;
     else {
-      struct curltime now2 = Curl_tvnow();
-      time_t timediff = Curl_tvdiff(now2, now); /* spent time */
+      struct curltime now2 = Curl_now();
+      timediff_t timediff = Curl_timediff(now2, now); /* spent time */
       if(timediff <= 0)
         timeout -= 1; /* always deduct at least 1 */
       else if(timediff > timeout)
diff --git a/Utilities/cmcurl/lib/asyn-thread.c b/Utilities/cmcurl/lib/asyn-thread.c
index a867729653..1ac3fc809f 100644
--- a/Utilities/cmcurl/lib/asyn-thread.c
+++ b/Utilities/cmcurl/lib/asyn-thread.c
@@ -535,7 +535,8 @@ CURLcode Curl_resolver_is_resolved(struct connectdata *conn,
   }
   else {
     /* poll for name lookup done with exponential backoff up to 250ms */
-    time_t elapsed = Curl_tvdiff(Curl_tvnow(), data->progress.t_startsingle);
+    timediff_t elapsed = Curl_timediff(Curl_now(),
+                                       data->progress.t_startsingle);
     if(elapsed < 0)
       elapsed = 0;
 
diff --git a/Utilities/cmcurl/lib/conncache.c b/Utilities/cmcurl/lib/conncache.c
index c79d227640..b8f5444856 100644
--- a/Utilities/cmcurl/lib/conncache.c
+++ b/Utilities/cmcurl/lib/conncache.c
@@ -31,11 +31,36 @@
 #include "multiif.h"
 #include "sendf.h"
 #include "conncache.h"
+#include "share.h"
+#include "sigpipe.h"
+#include "connect.h"
+
 /* The last 3 #include files should be in this order */
 #include "curl_printf.h"
 #include "curl_memory.h"
 #include "memdebug.h"
 
+#ifdef CURLDEBUG
+/* the debug versions of these macros make extra certain that the lock is
+   never doubly locked or unlocked */
+#define CONN_LOCK(x) if((x)->share) {                                   \
+    Curl_share_lock((x), CURL_LOCK_DATA_CONNECT, CURL_LOCK_ACCESS_SINGLE); \
+    DEBUGASSERT(!(x)->state.conncache_lock);                            \
+    (x)->state.conncache_lock = TRUE;                                   \
+  }
+
+#define CONN_UNLOCK(x) if((x)->share) {                                 \
+    DEBUGASSERT((x)->state.conncache_lock);                             \
+    (x)->state.conncache_lock = FALSE;                                  \
+    Curl_share_unlock((x), CURL_LOCK_DATA_CONNECT);                     \
+  }
+#else
+#define CONN_LOCK(x) if((x)->share)                                     \
+    Curl_share_lock((x), CURL_LOCK_DATA_CONNECT, CURL_LOCK_ACCESS_SINGLE)
+#define CONN_UNLOCK(x) if((x)->share)                   \
+    Curl_share_unlock((x), CURL_LOCK_DATA_CONNECT)
+#endif
+
 static void conn_llist_dtor(void *user, void *element)
 {
   struct connectdata *data = element;
@@ -109,8 +134,23 @@ static void free_bundle_hash_entry(void *freethis)
 
 int Curl_conncache_init(struct conncache *connc, int size)
 {
-  return Curl_hash_init(&connc->hash, size, Curl_hash_str,
-                        Curl_str_key_compare, free_bundle_hash_entry);
+  int rc;
+
+  /* allocate a new easy handle to use when closing cached connections */
+  connc->closure_handle = curl_easy_init();
+  if(!connc->closure_handle)
+    return 1; /* bad */
+
+  rc = Curl_hash_init(&connc->hash, size, Curl_hash_str,
+                      Curl_str_key_compare, free_bundle_hash_entry);
+  if(rc) {
+    Curl_close(connc->closure_handle);
+    connc->closure_handle = NULL;
+  }
+  else
+    connc->closure_handle->state.conn_cache = connc;
+
+  return rc;
 }
 
 void Curl_conncache_destroy(struct conncache *connc)
@@ -140,12 +180,44 @@ static void hashkey(struct connectdata *conn, char *buf,
   snprintf(buf, len, "%ld%s", conn->port, hostname);
 }
 
+void Curl_conncache_unlock(struct connectdata *conn)
+{
+  CONN_UNLOCK(conn->data);
+}
+
+/* Returns number of connections currently held in the connection cache.
+   Locks/unlocks the cache itself!
+*/
+size_t Curl_conncache_size(struct Curl_easy *data)
+{
+  size_t num;
+  CONN_LOCK(data);
+  num = data->state.conn_cache->num_conn;
+  CONN_UNLOCK(data);
+  return num;
+}
+
+/* Returns number of connections currently held in the connections's bundle
+   Locks/unlocks the cache itself!
+*/
+size_t Curl_conncache_bundle_size(struct connectdata *conn)
+{
+  size_t num;
+  CONN_LOCK(conn->data);
+  num = conn->bundle->num_connections;
+  CONN_UNLOCK(conn->data);
+  return num;
+}
+
 /* Look up the bundle with all the connections to the same host this
-   connectdata struct is setup to use. */
+   connectdata struct is setup to use.
+
+   **NOTE**: When it returns, it holds the connection cache lock! */
 struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
                                                  struct conncache *connc)
 {
   struct connectbundle *bundle = NULL;
+  CONN_LOCK(conn->data);
   if(connc) {
     char key[128];
     hashkey(conn, key, sizeof(key));
@@ -196,21 +268,24 @@ CURLcode Curl_conncache_add_conn(struct conncache *connc,
   struct connectbundle *new_bundle = NULL;
   struct Curl_easy *data = conn->data;
 
+  /* *find_bundle() locks the connection cache */
   bundle = Curl_conncache_find_bundle(conn, data->state.conn_cache);
   if(!bundle) {
     int rc;
     char key[128];
 
     result = bundle_create(data, &new_bundle);
-    if(result)
-      return result;
+    if(result) {
+      goto unlock;
+    }
 
     hashkey(conn, key, sizeof(key));
     rc = conncache_add_bundle(data->state.conn_cache, key, new_bundle);
 
     if(!rc) {
       bundle_destroy(new_bundle);
-      return CURLE_OUT_OF_MEMORY;
+      result = CURLE_OUT_OF_MEMORY;
+      goto unlock;
     }
     bundle = new_bundle;
   }
@@ -219,49 +294,64 @@ CURLcode Curl_conncache_add_conn(struct conncache *connc,
   if(result) {
     if(new_bundle)
       conncache_remove_bundle(data->state.conn_cache, new_bundle);
-    return result;
+    goto unlock;
   }
 
   conn->connection_id = connc->next_connection_id++;
-  connc->num_connections++;
+  connc->num_conn++;
 
   DEBUGF(infof(conn->data, "Added connection %ld. "
                "The cache now contains %" CURL_FORMAT_CURL_OFF_TU " members\n",
-               conn->connection_id, (curl_off_t) connc->num_connections));
+               conn->connection_id, (curl_off_t) connc->num_conn));
 
-  return CURLE_OK;
+  unlock:
+  CONN_UNLOCK(data);
+
+  return result;
 }
 
-void Curl_conncache_remove_conn(struct conncache *connc,
-                                struct connectdata *conn)
+void Curl_conncache_remove_conn(struct connectdata *conn, bool lock)
 {
+  struct Curl_easy *data = conn->data;
   struct connectbundle *bundle = conn->bundle;
+  struct conncache *connc = data->state.conn_cache;
 
   /* The bundle pointer can be NULL, since this function can be called
      due to a failed connection attempt, before being added to a bundle */
   if(bundle) {
+    if(lock) {
+      CONN_LOCK(conn->data);
+    }
     bundle_remove_conn(bundle, conn);
-    if(bundle->num_connections == 0) {
+    if(bundle->num_connections == 0)
       conncache_remove_bundle(connc, bundle);
-    }
-
+    conn->bundle = NULL; /* removed from it */
     if(connc) {
-      connc->num_connections--;
-
+      connc->num_conn--;
       DEBUGF(infof(conn->data, "The cache now contains %"
                    CURL_FORMAT_CURL_OFF_TU " members\n",
-                   (curl_off_t) connc->num_connections));
+                   (curl_off_t) connc->num_conn));
+    }
+    if(lock) {
+      CONN_UNLOCK(conn->data);
     }
   }
 }
 
-/* This function iterates the entire connection cache and calls the
-   function func() with the connection pointer as the first argument
-   and the supplied 'param' argument as the other,
+/* This function iterates the entire connection cache and calls the function
+   func() with the connection pointer as the first argument and the supplied
+   'param' argument as the other.
+
+   The conncache lock is still held when the callback is called. It needs it,
+   so that it can safely continue traversing the lists once the callback
+   returns.
+
+   Returns 1 if the loop was aborted due to the callback's return code.
 
    Return 0 from func() to continue the loop, return 1 to abort it.
  */
-void Curl_conncache_foreach(struct conncache *connc,
+bool Curl_conncache_foreach(struct Curl_easy *data,
+                            struct conncache *connc,
                             void *param,
                             int (*func)(struct connectdata *conn, void *param))
 {
@@ -270,8 +360,9 @@ void Curl_conncache_foreach(struct conncache *connc,
   struct curl_hash_element *he;
 
   if(!connc)
-    return;
+    return FALSE;
 
+  CONN_LOCK(data);
   Curl_hash_start_iterate(&connc->hash, &iter);
 
   he = Curl_hash_next_element(&iter);
@@ -288,14 +379,22 @@ void Curl_conncache_foreach(struct conncache *connc,
       struct connectdata *conn = curr->ptr;
       curr = curr->next;
 
-      if(1 == func(conn, param))
-        return;
+      if(1 == func(conn, param)) {
+        CONN_UNLOCK(data);
+        return TRUE;
+      }
     }
   }
+  CONN_UNLOCK(data);
+  return FALSE;
 }
 
 /* Return the first connection found in the cache. Used when closing all
-   connections */
+   connections.
+
+   NOTE: no locking is done here as this is presumably only done when cleaning
+   up a cache!
+*/
 struct connectdata *
 Curl_conncache_find_first_connection(struct conncache *connc)
 {
@@ -321,6 +420,188 @@ Curl_conncache_find_first_connection(struct conncache *connc)
   return NULL;
 }
 
+/*
+ * Give ownership of a connection back to the connection cache. Might
+ * disconnect the oldest existing in there to make space.
+ *
+ * Return TRUE if stored, FALSE if closed.
+ */
+bool Curl_conncache_return_conn(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+
+  /* data->multi->maxconnects can be negative, deal with it. */
+  size_t maxconnects =
+    (data->multi->maxconnects < 0) ? data->multi->num_easy * 4:
+    data->multi->maxconnects;
+  struct connectdata *conn_candidate = NULL;
+
+  if(maxconnects > 0 &&
+     Curl_conncache_size(data) > maxconnects) {
+    infof(data, "Connection cache is full, closing the oldest one.\n");
+
+    conn_candidate = Curl_conncache_extract_oldest(data);
+
+    if(conn_candidate) {
+      /* Set the connection's owner correctly */
+      conn_candidate->data = data;
+
+      /* the winner gets the honour of being disconnected */
+      (void)Curl_disconnect(conn_candidate, /* dead_connection */ FALSE);
+    }
+  }
+  CONN_LOCK(data);
+  conn->inuse = FALSE; /* Mark the connection unused */
+  CONN_UNLOCK(data);
+
+  return (conn_candidate == conn) ? FALSE : TRUE;
+
+}
+
+/*
+ * This function finds the connection in the connection bundle that has been
+ * unused for the longest time.
+ *
+ * Does not lock the connection cache!
+ *
+ * Returns the pointer to the oldest idle connection, or NULL if none was
+ * found.
+ */
+struct connectdata *
+Curl_conncache_extract_bundle(struct Curl_easy *data,
+                              struct connectbundle *bundle)
+{
+  struct curl_llist_element *curr;
+  timediff_t highscore = -1;
+  timediff_t score;
+  struct curltime now;
+  struct connectdata *conn_candidate = NULL;
+  struct connectdata *conn;
+
+  (void)data;
+
+  now = Curl_now();
+
+  curr = bundle->conn_list.head;
+  while(curr) {
+    conn = curr->ptr;
+
+    if(!conn->inuse) {
+      /* Set higher score for the age passed since the connection was used */
+      score = Curl_timediff(now, conn->now);
+
+      if(score > highscore) {
+        highscore = score;
+        conn_candidate = conn;
+      }
+    }
+    curr = curr->next;
+  }
+  if(conn_candidate) {
+    /* remove it to prevent another thread from nicking it */
+    bundle_remove_conn(bundle, conn_candidate);
+    data->state.conn_cache->num_conn--;
+    DEBUGF(infof(data, "The cache now contains %"
+                 CURL_FORMAT_CURL_OFF_TU " members\n",
+                 (curl_off_t) data->state.conn_cache->num_conn));
+  }
+
+  return conn_candidate;
+}
+
+/*
+ * This function finds the connection in the connection cache that has been
+ * unused for the longest time and extracts that from the bundle.
+ *
+ * Returns the pointer to the connection, or NULL if none was found.
+ */
+struct connectdata *
+Curl_conncache_extract_oldest(struct Curl_easy *data)
+{
+  struct conncache *connc = data->state.conn_cache;
+  struct curl_hash_iterator iter;
+  struct curl_llist_element *curr;
+  struct curl_hash_element *he;
+  timediff_t highscore =- 1;
+  timediff_t score;
+  struct curltime now;
+  struct connectdata *conn_candidate = NULL;
+  struct connectbundle *bundle;
+  struct connectbundle *bundle_candidate = NULL;
+
+  now = Curl_now();
+
+  CONN_LOCK(data);
+  Curl_hash_start_iterate(&connc->hash, &iter);
+
+  he = Curl_hash_next_element(&iter);
+  while(he) {
+    struct connectdata *conn;
+
+    bundle = he->ptr;
+
+    curr = bundle->conn_list.head;
+    while(curr) {
+      conn = curr->ptr;
+
+      if(!conn->inuse) {
+        /* Set higher score for the age passed since the connection was used */
+        score = Curl_timediff(now, conn->now);
+
+        if(score > highscore) {
+          highscore = score;
+          conn_candidate = conn;
+          bundle_candidate = bundle;
+        }
+      }
+      curr = curr->next;
+    }
+
+    he = Curl_hash_next_element(&iter);
+  }
+  if(conn_candidate) {
+    /* remove it to prevent another thread from nicking it */
+    bundle_remove_conn(bundle_candidate, conn_candidate);
+    connc->num_conn--;
+    DEBUGF(infof(data, "The cache now contains %"
+                 CURL_FORMAT_CURL_OFF_TU " members\n",
+                 (curl_off_t) connc->num_conn));
+  }
+  CONN_UNLOCK(data);
+
+  return conn_candidate;
+}
+
+void Curl_conncache_close_all_connections(struct conncache *connc)
+{
+  struct connectdata *conn;
+
+  conn = Curl_conncache_find_first_connection(connc);
+  while(conn) {
+    SIGPIPE_VARIABLE(pipe_st);
+    conn->data = connc->closure_handle;
+
+    sigpipe_ignore(conn->data, &pipe_st);
+    conn->data->easy_conn = NULL; /* clear the easy handle's connection
+                                     pointer */
+    /* This will remove the connection from the cache */
+    connclose(conn, "kill all");
+    (void)Curl_disconnect(conn, FALSE);
+    sigpipe_restore(&pipe_st);
+
+    conn = Curl_conncache_find_first_connection(connc);
+  }
+
+  if(connc->closure_handle) {
+    SIGPIPE_VARIABLE(pipe_st);
+    sigpipe_ignore(connc->closure_handle, &pipe_st);
+
+    Curl_hostcache_clean(connc->closure_handle,
+                         connc->closure_handle->dns.hostcache);
+    Curl_close(connc->closure_handle);
+    sigpipe_restore(&pipe_st);
+  }
+}
 
 #if 0
 /* Useful for debugging the connection cache */
diff --git a/Utilities/cmcurl/lib/conncache.h b/Utilities/cmcurl/lib/conncache.h
index 14be4e8e73..d8ad80f963 100644
--- a/Utilities/cmcurl/lib/conncache.h
+++ b/Utilities/cmcurl/lib/conncache.h
@@ -23,11 +23,19 @@
  *
  ***************************************************************************/
 
+/*
+ * All accesses to struct fields and changing of data in the connection cache
+ * and connectbundles must be done with the conncache LOCKED. The cache might
+ * be shared.
+ */
+
 struct conncache {
   struct curl_hash hash;
-  size_t num_connections;
+  size_t num_conn;
   long next_connection_id;
   struct curltime last_cleanup;
+  /* handle used for closing cached connections */
+  struct Curl_easy *closure_handle;
 };
 
 #define BUNDLE_NO_MULTIUSE -1
@@ -41,21 +49,25 @@ struct connectbundle {
   struct curl_llist conn_list;  /* The connectdata members of the bundle */
 };
 
+/* returns 1 on error, 0 is fine */
 int Curl_conncache_init(struct conncache *, int size);
-
 void Curl_conncache_destroy(struct conncache *connc);
 
 /* return the correct bundle, to a host or a proxy */
 struct connectbundle *Curl_conncache_find_bundle(struct connectdata *conn,
                                                  struct conncache *connc);
+void Curl_conncache_unlock(struct connectdata *conn);
+/* returns number of connections currently held in the connection cache */
+size_t Curl_conncache_size(struct Curl_easy *data);
+size_t Curl_conncache_bundle_size(struct connectdata *conn);
 
+bool Curl_conncache_return_conn(struct connectdata *conn);
 CURLcode Curl_conncache_add_conn(struct conncache *connc,
                                  struct connectdata *conn);
-
-void Curl_conncache_remove_conn(struct conncache *connc,
-                                struct connectdata *conn);
-
-void Curl_conncache_foreach(struct conncache *connc,
+void Curl_conncache_remove_conn(struct connectdata *conn,
+                                bool lock);
+bool Curl_conncache_foreach(struct Curl_easy *data,
+                            struct conncache *connc,
                             void *param,
                             int (*func)(struct connectdata *conn,
                                         void *param));
@@ -63,6 +75,12 @@ void Curl_conncache_foreach(struct conncache *connc,
 struct connectdata *
 Curl_conncache_find_first_connection(struct conncache *connc);
 
+struct connectdata *
+Curl_conncache_extract_bundle(struct Curl_easy *data,
+                              struct connectbundle *bundle);
+struct connectdata *
+Curl_conncache_extract_oldest(struct Curl_easy *data);
+void Curl_conncache_close_all_connections(struct conncache *connc);
 void Curl_conncache_print(struct conncache *connc);
 
 #endif /* HEADER_CURL_CONNCACHE_H */
diff --git a/Utilities/cmcurl/lib/connect.c b/Utilities/cmcurl/lib/connect.c
index b7d10af553..3edb71eb72 100644
--- a/Utilities/cmcurl/lib/connect.c
+++ b/Utilities/cmcurl/lib/connect.c
@@ -28,8 +28,10 @@
 #ifdef HAVE_SYS_UN_H
 #include <sys/un.h> /* for sockaddr_un */
 #endif
-#ifdef HAVE_NETINET_TCP_H
-#include <netinet/tcp.h> /* for TCP_NODELAY */
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#elif defined(HAVE_NETINET_TCP_H)
+#include <netinet/tcp.h>
 #endif
 #ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
@@ -179,12 +181,12 @@ singleipconnect(struct connectdata *conn,
  *
  * @unittest: 1303
  */
-time_t Curl_timeleft(struct Curl_easy *data,
-                     struct curltime *nowp,
-                     bool duringconnect)
+timediff_t Curl_timeleft(struct Curl_easy *data,
+                         struct curltime *nowp,
+                         bool duringconnect)
 {
   int timeout_set = 0;
-  time_t timeout_ms = duringconnect?DEFAULT_CONNECT_TIMEOUT:0;
+  timediff_t timeout_ms = duringconnect?DEFAULT_CONNECT_TIMEOUT:0;
   struct curltime now;
 
   /* if a timeout is set, use the most restrictive one */
@@ -218,17 +220,17 @@ time_t Curl_timeleft(struct Curl_easy *data,
   }
 
   if(!nowp) {
-    now = Curl_tvnow();
+    now = Curl_now();
     nowp = &now;
   }
 
   /* subtract elapsed time */
   if(duringconnect)
     /* since this most recent connect started */
-    timeout_ms -= Curl_tvdiff(*nowp, data->progress.t_startsingle);
+    timeout_ms -= Curl_timediff(*nowp, data->progress.t_startsingle);
   else
     /* since the entire operation started */
-    timeout_ms -= Curl_tvdiff(*nowp, data->progress.t_startop);
+    timeout_ms -= Curl_timediff(*nowp, data->progress.t_startop);
   if(!timeout_ms)
     /* avoid returning 0 as that means no timeout! */
     return -1;
@@ -285,6 +287,34 @@ static CURLcode bindlocal(struct connectdata *conn,
 
     /* interface */
     if(!is_host) {
+#ifdef SO_BINDTODEVICE
+      /* I am not sure any other OSs than Linux that provide this feature,
+       * and at the least I cannot test. --Ben
+       *
+       * This feature allows one to tightly bind the local socket to a
+       * particular interface.  This will force even requests to other
+       * local interfaces to go out the external interface.
+       *
+       *
+       * Only bind to the interface when specified as interface, not just
+       * as a hostname or ip address.
+       *
+       * interface might be a VRF, eg: vrf-blue, which means it cannot be
+       * converted to an IP address and would fail Curl_if2ip. Simply try
+       * to use it straight away.
+       */
+      if(setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE,
+                    dev, (curl_socklen_t)strlen(dev) + 1) == 0) {
+        /* This is typically "errno 1, error: Operation not permitted" if
+         * you're not running as root or another suitable privileged
+         * user.
+         * If it succeeds it means the parameter was a valid interface and
+         * not an IP address. Return immediately.
+         */
+        return CURLE_OK;
+      }
+#endif
+
       switch(Curl_if2ip(af, scope, conn->scope_id, dev,
                         myhost, sizeof(myhost))) {
         case IF2IP_NOT_FOUND:
@@ -305,30 +335,6 @@ static CURLcode bindlocal(struct connectdata *conn,
           infof(data, "Local Interface %s is ip %s using address family %i\n",
                 dev, myhost, af);
           done = 1;
-
-#ifdef SO_BINDTODEVICE
-          /* I am not sure any other OSs than Linux that provide this feature,
-           * and at the least I cannot test. --Ben
-           *
-           * This feature allows one to tightly bind the local socket to a
-           * particular interface.  This will force even requests to other
-           * local interfaces to go out the external interface.
-           *
-           *
-           * Only bind to the interface when specified as interface, not just
-           * as a hostname or ip address.
-           */
-          if(setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE,
-                        dev, (curl_socklen_t)strlen(dev) + 1) != 0) {
-            error = SOCKERRNO;
-            infof(data, "SO_BINDTODEVICE %s failed with errno %d: %s;"
-                  " will do regular bind\n",
-                  dev, error, Curl_strerror(conn, error));
-            /* This is typically "errno 1, error: Operation not permitted" if
-               you're not running as root or another suitable privileged
-               user */
-          }
-#endif
           break;
       }
     }
@@ -408,6 +414,10 @@ static CURLcode bindlocal(struct connectdata *conn,
     }
 
     if(done < 1) {
+      /* errorbuf is set false so failf will overwrite any message already in
+         the error buffer, so the user receives this error message instead of a
+         generic resolve error. */
+      data->state.errorbuf = FALSE;
       failf(data, "Couldn't bind to '%s'", dev);
       return CURLE_INTERFACE_FAILED;
     }
@@ -721,7 +731,7 @@ CURLcode Curl_is_connected(struct connectdata *conn,
 {
   struct Curl_easy *data = conn->data;
   CURLcode result = CURLE_OK;
-  time_t allow;
+  timediff_t allow;
   int error = 0;
   struct curltime now;
   int rc;
@@ -737,7 +747,7 @@ CURLcode Curl_is_connected(struct connectdata *conn,
     return CURLE_OK;
   }
 
-  now = Curl_tvnow();
+  now = Curl_now();
 
   /* figure out how long time we have left to connect */
   allow = Curl_timeleft(data, &now, TRUE);
@@ -765,7 +775,7 @@ CURLcode Curl_is_connected(struct connectdata *conn,
 
     if(rc == 0) { /* no connection yet */
       error = 0;
-      if(curlx_tvdiff(now, conn->connecttime) >= conn->timeoutms_per_addr) {
+      if(Curl_timediff(now, conn->connecttime) >= conn->timeoutms_per_addr) {
         infof(data, "After %ldms connect time, move on!\n",
               conn->timeoutms_per_addr);
         error = ETIMEDOUT;
@@ -773,7 +783,7 @@ CURLcode Curl_is_connected(struct connectdata *conn,
 
       /* should we try another protocol family? */
       if(i == 0 && conn->tempaddr[1] == NULL &&
-         curlx_tvdiff(now, conn->connecttime) >= HAPPY_EYEBALLS_TIMEOUT) {
+         Curl_timediff(now, conn->connecttime) >= HAPPY_EYEBALLS_TIMEOUT) {
         trynextip(conn, sockindex, 1);
       }
     }
@@ -785,6 +795,9 @@ CURLcode Curl_is_connected(struct connectdata *conn,
         conn->sock[sockindex] = conn->tempsock[i];
         conn->ip_addr = conn->tempaddr[i];
         conn->tempsock[i] = CURL_SOCKET_BAD;
+#ifdef ENABLE_IPV6
+        conn->bits.ipv6 = (conn->ip_addr->ai_family == AF_INET6)?TRUE:FALSE;
+#endif
 
         /* close the other socket, if open */
         if(conn->tempsock[other] != CURL_SOCKET_BAD) {
@@ -978,6 +991,9 @@ static CURLcode singleipconnect(struct connectdata *conn,
   char ipaddress[MAX_IPADR_LEN];
   long port;
   bool is_tcp;
+#ifdef TCP_FASTOPEN_CONNECT
+  int optval = 1;
+#endif
 
   *sockp = CURL_SOCKET_BAD;
 
@@ -1051,17 +1067,19 @@ static CURLcode singleipconnect(struct connectdata *conn,
   /* set socket non-blocking */
   (void)curlx_nonblock(sockfd, TRUE);
 
-  conn->connecttime = Curl_tvnow();
+  conn->connecttime = Curl_now();
   if(conn->num_addr > 1)
     Curl_expire(data, conn->timeoutms_per_addr, EXPIRE_DNS_PER_NAME);
 
   /* Connect TCP sockets, bind UDP */
   if(!isconnected && (conn->socktype == SOCK_STREAM)) {
     if(conn->bits.tcp_fastopen) {
-#if defined(CONNECT_DATA_IDEMPOTENT) /* OS X */
-#ifdef HAVE_BUILTIN_AVAILABLE
+#if defined(CONNECT_DATA_IDEMPOTENT) /* Darwin */
+#  if defined(HAVE_BUILTIN_AVAILABLE)
+      /* while connectx function is available since macOS 10.11 / iOS 9,
+         it did not have the interface declared correctly until
+         Xcode 9 / macOS SDK 10.13 */
       if(__builtin_available(macOS 10.11, iOS 9.0, tvOS 9.0, watchOS 2.0, *)) {
-#endif /* HAVE_BUILTIN_AVAILABLE */
         sa_endpoints_t endpoints;
         endpoints.sae_srcif = 0;
         endpoints.sae_srcaddr = NULL;
@@ -1072,13 +1090,22 @@ static CURLcode singleipconnect(struct connectdata *conn,
         rc = connectx(sockfd, &endpoints, SAE_ASSOCID_ANY,
                       CONNECT_RESUME_ON_READ_WRITE | CONNECT_DATA_IDEMPOTENT,
                       NULL, 0, NULL, NULL);
-#ifdef HAVE_BUILTIN_AVAILABLE
       }
       else {
         rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
       }
-#endif /* HAVE_BUILTIN_AVAILABLE */
-#elif defined(MSG_FASTOPEN) /* Linux */
+#  else
+      rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+#  endif /* HAVE_BUILTIN_AVAILABLE */
+#elif defined(TCP_FASTOPEN_CONNECT) /* Linux >= 4.11 */
+      if(setsockopt(sockfd, IPPROTO_TCP, TCP_FASTOPEN_CONNECT,
+                    (void *)&optval, sizeof(optval)) < 0)
+        infof(data, "Failed to enable TCP Fast Open on fd %d\n", sockfd);
+      else
+        infof(data, "TCP_FASTOPEN_CONNECT set\n");
+
+      rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
+#elif defined(MSG_FASTOPEN) /* old Linux */
       if(conn->given->flags & PROTOPT_SSL)
         rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
       else
@@ -1097,10 +1124,6 @@ static CURLcode singleipconnect(struct connectdata *conn,
     return CURLE_OK;
   }
 
-#ifdef ENABLE_IPV6
-  conn->bits.ipv6 = (addr.family == AF_INET6)?TRUE:FALSE;
-#endif
-
   if(-1 == rc) {
     switch(error) {
     case EINPROGRESS:
@@ -1145,10 +1168,10 @@ CURLcode Curl_connecthost(struct connectdata *conn,  /* context */
                           const struct Curl_dns_entry *remotehost)
 {
   struct Curl_easy *data = conn->data;
-  struct curltime before = Curl_tvnow();
+  struct curltime before = Curl_now();
   CURLcode result = CURLE_COULDNT_CONNECT;
 
-  time_t timeout_ms = Curl_timeleft(data, &before, TRUE);
+  timediff_t timeout_ms = Curl_timeleft(data, &before, TRUE);
 
   if(timeout_ms < 0) {
     /* a precaution, no need to continue if time already is up */
@@ -1225,7 +1248,7 @@ curl_socket_t Curl_getconnectinfo(struct Curl_easy *data,
     find.tofind = data->state.lastconnect;
     find.found = FALSE;
 
-    Curl_conncache_foreach(data->multi_easy?
+    Curl_conncache_foreach(data, data->multi_easy?
                            &data->multi_easy->conn_cache:
                            &data->multi->conn_cache, &find, conn_is_conn);
 
diff --git a/Utilities/cmcurl/lib/connect.h b/Utilities/cmcurl/lib/connect.h
index 3f05c39784..3974486364 100644
--- a/Utilities/cmcurl/lib/connect.h
+++ b/Utilities/cmcurl/lib/connect.h
@@ -25,6 +25,7 @@
 
 #include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
 #include "sockaddr.h"
+#include "timeval.h"
 
 CURLcode Curl_is_connected(struct connectdata *conn,
                            int sockindex,
@@ -35,9 +36,9 @@ CURLcode Curl_connecthost(struct connectdata *conn,
 
 /* generic function that returns how much time there's left to run, according
    to the timeouts set */
-time_t Curl_timeleft(struct Curl_easy *data,
-                     struct curltime *nowp,
-                     bool duringconnect);
+timediff_t Curl_timeleft(struct Curl_easy *data,
+                         struct curltime *nowp,
+                         bool duringconnect);
 
 #define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
 #define HAPPY_EYEBALLS_TIMEOUT     200 /* milliseconds to wait between
diff --git a/Utilities/cmcurl/lib/content_encoding.c b/Utilities/cmcurl/lib/content_encoding.c
index 110226034c..46bef0ca94 100644
--- a/Utilities/cmcurl/lib/content_encoding.c
+++ b/Utilities/cmcurl/lib/content_encoding.c
@@ -22,22 +22,43 @@
 
 #include "curl_setup.h"
 
-#ifdef HAVE_LIBZ
-
 #include "urldata.h"
 #include <curl/curl.h>
+#include <stddef.h>
+
+#ifdef HAVE_ZLIB_H
+#include <zlib.h>
+#ifdef __SYMBIAN32__
+/* zlib pollutes the namespace with this definition */
+#undef WIN32
+#endif
+#endif
+
+#ifdef HAVE_BROTLI
+#include <brotli/decode.h>
+#endif
+
 #include "sendf.h"
+#include "http.h"
 #include "content_encoding.h"
 #include "strdup.h"
+#include "strcase.h"
 #include "curl_memory.h"
 #include "memdebug.h"
 
+#define CONTENT_ENCODING_DEFAULT  "identity"
+
+#ifndef CURL_DISABLE_HTTP
+
+#define DSIZ CURL_MAX_WRITE_SIZE /* buffer size for decompressed data */
+
+
+#ifdef HAVE_LIBZ
+
 /* Comment this out if zlib is always going to be at least ver. 1.2.0.4
    (doing so will reduce code size slightly). */
 #define OLD_ZLIB_SUPPORT 1
 
-#define DSIZ CURL_MAX_WRITE_SIZE /* buffer size for decompressed data */
-
 #define GZIP_MAGIC_0 0x1f
 #define GZIP_MAGIC_1 0x8b
 
@@ -49,6 +70,24 @@
 #define COMMENT      0x10 /* bit 4 set: file comment present */
 #define RESERVED     0xE0 /* bits 5..7: reserved */
 
+typedef enum {
+  ZLIB_UNINIT,          /* uninitialized */
+  ZLIB_INIT,            /* initialized */
+  ZLIB_INFLATING,       /* Inflating started. */
+  ZLIB_GZIP_HEADER,     /* reading gzip header */
+  ZLIB_GZIP_TRAILER,    /* reading gzip trailer */
+  ZLIB_GZIP_INFLATING,  /* inflating gzip stream */
+  ZLIB_INIT_GZIP        /* initialized in transparent gzip mode */
+} zlibInitState;
+
+/* Writer parameters. */
+typedef struct {
+  zlibInitState zlib_init;   /* zlib init state */
+  uInt trailerlen;           /* Remaining trailer byte count. */
+  z_stream z;                /* State structure for zlib. */
+}  zlib_params;
+
+
 static voidpf
 zalloc_cb(voidpf opaque, unsigned int items, unsigned int size)
 {
@@ -79,114 +118,223 @@ process_zlib_error(struct connectdata *conn, z_stream *z)
 }
 
 static CURLcode
-exit_zlib(z_stream *z, zlibInitState *zlib_init, CURLcode result)
+exit_zlib(struct connectdata *conn,
+          z_stream *z, zlibInitState *zlib_init, CURLcode result)
 {
-  inflateEnd(z);
-  *zlib_init = ZLIB_UNINIT;
+  if(*zlib_init == ZLIB_GZIP_HEADER)
+    Curl_safefree(z->next_in);
+
+  if(*zlib_init != ZLIB_UNINIT) {
+    if(inflateEnd(z) != Z_OK && result == CURLE_OK)
+      result = process_zlib_error(conn, z);
+    *zlib_init = ZLIB_UNINIT;
+  }
+
   return result;
 }
 
-static CURLcode
-inflate_stream(struct connectdata *conn,
-               struct SingleRequest *k)
+static CURLcode process_trailer(struct connectdata *conn, zlib_params *zp)
 {
-  int allow_restart = 1;
-  z_stream *z = &k->z;          /* zlib state structure */
+  z_stream *z = &zp->z;
+  CURLcode result = CURLE_OK;
+  uInt len = z->avail_in < zp->trailerlen? z->avail_in: zp->trailerlen;
+
+  /* Consume expected trailer bytes. Terminate stream if exhausted.
+     Issue an error if unexpected bytes follow. */
+
+  zp->trailerlen -= len;
+  z->avail_in -= len;
+  z->next_in += len;
+  if(z->avail_in)
+    result = CURLE_WRITE_ERROR;
+  if(result || !zp->trailerlen)
+    result = exit_zlib(conn, z, &zp->zlib_init, result);
+  else {
+    /* Only occurs for gzip with zlib < 1.2.0.4. */
+    zp->zlib_init = ZLIB_GZIP_TRAILER;
+  }
+  return result;
+}
+
+static CURLcode inflate_stream(struct connectdata *conn,
+                               contenc_writer *writer, zlibInitState started)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;         /* zlib state structure */
   uInt nread = z->avail_in;
   Bytef *orig_in = z->next_in;
   int status;                   /* zlib status */
+  bool done = FALSE;
   CURLcode result = CURLE_OK;   /* Curl_client_write status */
   char *decomp;                 /* Put the decompressed data here. */
 
+  /* Check state. */
+  if(zp->zlib_init != ZLIB_INIT &&
+     zp->zlib_init != ZLIB_INFLATING &&
+     zp->zlib_init != ZLIB_INIT_GZIP &&
+     zp->zlib_init != ZLIB_GZIP_INFLATING)
+    return exit_zlib(conn, z, &zp->zlib_init, CURLE_WRITE_ERROR);
+
   /* Dynamically allocate a buffer for decompression because it's uncommonly
      large to hold on the stack */
   decomp = malloc(DSIZ);
-  if(decomp == NULL) {
-    return exit_zlib(z, &k->zlib_init, CURLE_OUT_OF_MEMORY);
-  }
+  if(decomp == NULL)
+    return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
 
   /* because the buffer size is fixed, iteratively decompress and transfer to
-     the client via client_write. */
-  for(;;) {
+     the client via downstream_write function. */
+  while(!done) {
+    done = TRUE;
+
     /* (re)set buffer for decompressed output for every iteration */
-    z->next_out = (Bytef *)decomp;
+    z->next_out = (Bytef *) decomp;
     z->avail_out = DSIZ;
 
-    status = inflate(z, Z_SYNC_FLUSH);
-    if(status == Z_OK || status == Z_STREAM_END) {
-      allow_restart = 0;
-      if((DSIZ - z->avail_out) && (!k->ignorebody)) {
-        result = Curl_client_write(conn, CLIENTWRITE_BODY, decomp,
-                                   DSIZ - z->avail_out);
-        /* if !CURLE_OK, clean up, return */
+    status = inflate(z, Z_BLOCK);
+
+    /* Flush output data if some. */
+    if(z->avail_out != DSIZ) {
+      if(status == Z_OK || status == Z_STREAM_END) {
+        zp->zlib_init = started;      /* Data started. */
+        result = Curl_unencode_write(conn, writer->downstream, decomp,
+                                     DSIZ - z->avail_out);
         if(result) {
-          free(decomp);
-          return exit_zlib(z, &k->zlib_init, result);
+          exit_zlib(conn, z, &zp->zlib_init, result);
+          break;
         }
       }
-
-      /* Done? clean up, return */
-      if(status == Z_STREAM_END) {
-        free(decomp);
-        if(inflateEnd(z) == Z_OK)
-          return exit_zlib(z, &k->zlib_init, result);
-        return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
-      }
-
-      /* Done with these bytes, exit */
-
-      /* status is always Z_OK at this point! */
-      if(z->avail_in == 0) {
-        free(decomp);
-        return result;
-      }
     }
-    else if(allow_restart && status == Z_DATA_ERROR) {
+
+    /* Dispatch by inflate() status. */
+    switch(status) {
+    case Z_OK:
+      /* Always loop: there may be unflushed latched data in zlib state. */
+      done = FALSE;
+      break;
+    case Z_BUF_ERROR:
+      /* No more data to flush: just exit loop. */
+      break;
+    case Z_STREAM_END:
+      result = process_trailer(conn, zp);
+      break;
+    case Z_DATA_ERROR:
       /* some servers seem to not generate zlib headers, so this is an attempt
          to fix and continue anyway */
-
-      (void) inflateEnd(z);     /* don't care about the return code */
-      if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
-        free(decomp);
-        return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+      if(zp->zlib_init == ZLIB_INIT) {
+        /* Do not use inflateReset2(): only available since zlib 1.2.3.4. */
+        (void) inflateEnd(z);     /* don't care about the return code */
+        if(inflateInit2(z, -MAX_WBITS) == Z_OK) {
+          z->next_in = orig_in;
+          z->avail_in = nread;
+          zp->zlib_init = ZLIB_INFLATING;
+          done = FALSE;
+          break;
+        }
+        zp->zlib_init = ZLIB_UNINIT;    /* inflateEnd() already called. */
       }
-      z->next_in = orig_in;
-      z->avail_in = nread;
-      allow_restart = 0;
-      continue;
-    }
-    else {                      /* Error; exit loop, handle below */
-      free(decomp);
-      return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+      /* FALLTHROUGH */
+    default:
+      result = exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
+      break;
     }
   }
-  /* Will never get here */
+  free(decomp);
+
+  /* We're about to leave this call so the `nread' data bytes won't be seen
+     again. If we are in a state that would wrongly allow restart in raw mode
+     at the next call, assume output has already started. */
+  if(nread && zp->zlib_init == ZLIB_INIT)
+    zp->zlib_init = started;      /* Cannot restart anymore. */
+
+  return result;
 }
 
-CURLcode
-Curl_unencode_deflate_write(struct connectdata *conn,
-                            struct SingleRequest *k,
-                            ssize_t nread)
+
+/* Deflate handler. */
+static CURLcode deflate_init_writer(struct connectdata *conn,
+                                    contenc_writer *writer)
 {
-  z_stream *z = &k->z;          /* zlib state structure */
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
 
-  /* Initialize zlib? */
-  if(k->zlib_init == ZLIB_UNINIT) {
-    memset(z, 0, sizeof(z_stream));
-    z->zalloc = (alloc_func)zalloc_cb;
-    z->zfree = (free_func)zfree_cb;
+  if(!writer->downstream)
+    return CURLE_WRITE_ERROR;
 
-    if(inflateInit(z) != Z_OK)
-      return process_zlib_error(conn, z);
-    k->zlib_init = ZLIB_INIT;
-  }
+  /* Initialize zlib */
+  z->zalloc = (alloc_func) zalloc_cb;
+  z->zfree = (free_func) zfree_cb;
+
+  if(inflateInit(z) != Z_OK)
+    return process_zlib_error(conn, z);
+  zp->zlib_init = ZLIB_INIT;
+  return CURLE_OK;
+}
+
+static CURLcode deflate_unencode_write(struct connectdata *conn,
+                                       contenc_writer *writer,
+                                       const char *buf, size_t nbytes)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
 
   /* Set the compressed input when this function is called */
-  z->next_in = (Bytef *)k->str;
-  z->avail_in = (uInt)nread;
+  z->next_in = (Bytef *) buf;
+  z->avail_in = (uInt) nbytes;
 
   /* Now uncompress the data */
-  return inflate_stream(conn, k);
+  return inflate_stream(conn, writer, ZLIB_INFLATING);
+}
+
+static void deflate_close_writer(struct connectdata *conn,
+                                 contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  exit_zlib(conn, z, &zp->zlib_init, CURLE_OK);
+}
+
+static const content_encoding deflate_encoding = {
+  "deflate",
+  NULL,
+  deflate_init_writer,
+  deflate_unencode_write,
+  deflate_close_writer,
+  sizeof(zlib_params)
+};
+
+
+/* Gzip handler. */
+static CURLcode gzip_init_writer(struct connectdata *conn,
+                                 contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  if(!writer->downstream)
+    return CURLE_WRITE_ERROR;
+
+  /* Initialize zlib */
+  z->zalloc = (alloc_func) zalloc_cb;
+  z->zfree = (free_func) zfree_cb;
+
+  if(strcmp(zlibVersion(), "1.2.0.4") >= 0) {
+    /* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */
+    if(inflateInit2(z, MAX_WBITS + 32) != Z_OK) {
+      return process_zlib_error(conn, z);
+    }
+    zp->zlib_init = ZLIB_INIT_GZIP; /* Transparent gzip decompress state */
+  }
+  else {
+    /* we must parse the gzip header and trailer ourselves */
+    if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
+      return process_zlib_error(conn, z);
+    }
+    zp->trailerlen = 8; /* A CRC-32 and a 32-bit input size (RFC 1952, 2.2) */
+    zp->zlib_init = ZLIB_INIT; /* Initial call state */
+  }
+
+  return CURLE_OK;
 }
 
 #ifdef OLD_ZLIB_SUPPORT
@@ -273,47 +421,25 @@ static enum {
 }
 #endif
 
-CURLcode
-Curl_unencode_gzip_write(struct connectdata *conn,
-                         struct SingleRequest *k,
-                         ssize_t nread)
+static CURLcode gzip_unencode_write(struct connectdata *conn,
+                                    contenc_writer *writer,
+                                    const char *buf, size_t nbytes)
 {
-  z_stream *z = &k->z;          /* zlib state structure */
-
-  /* Initialize zlib? */
-  if(k->zlib_init == ZLIB_UNINIT) {
-    memset(z, 0, sizeof(z_stream));
-    z->zalloc = (alloc_func)zalloc_cb;
-    z->zfree = (free_func)zfree_cb;
-
-    if(strcmp(zlibVersion(), "1.2.0.4") >= 0) {
-      /* zlib ver. >= 1.2.0.4 supports transparent gzip decompressing */
-      if(inflateInit2(z, MAX_WBITS + 32) != Z_OK) {
-        return process_zlib_error(conn, z);
-      }
-      k->zlib_init = ZLIB_INIT_GZIP; /* Transparent gzip decompress state */
-    }
-    else {
-      /* we must parse the gzip header ourselves */
-      if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
-        return process_zlib_error(conn, z);
-      }
-      k->zlib_init = ZLIB_INIT;   /* Initial call state */
-    }
-  }
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
 
-  if(k->zlib_init == ZLIB_INIT_GZIP) {
+  if(zp->zlib_init == ZLIB_INIT_GZIP) {
     /* Let zlib handle the gzip decompression entirely */
-    z->next_in = (Bytef *)k->str;
-    z->avail_in = (uInt)nread;
+    z->next_in = (Bytef *) buf;
+    z->avail_in = (uInt) nbytes;
     /* Now uncompress the data */
-    return inflate_stream(conn, k);
+    return inflate_stream(conn, writer, ZLIB_INIT_GZIP);
   }
 
 #ifndef OLD_ZLIB_SUPPORT
   /* Support for old zlib versions is compiled away and we are running with
      an old version, so return an error. */
-  return exit_zlib(z, &k->zlib_init, CURLE_WRITE_ERROR);
+  return exit_zlib(conn, z, &zp->zlib_init, CURLE_WRITE_ERROR);
 
 #else
   /* This next mess is to get around the potential case where there isn't
@@ -326,18 +452,18 @@ Curl_unencode_gzip_write(struct connectdata *conn,
    * can handle the gzip header themselves.
    */
 
-  switch(k->zlib_init) {
+  switch(zp->zlib_init) {
   /* Skip over gzip header? */
   case ZLIB_INIT:
   {
     /* Initial call state */
     ssize_t hlen;
 
-    switch(check_gzip_header((unsigned char *)k->str, nread, &hlen)) {
+    switch(check_gzip_header((unsigned char *) buf, nbytes, &hlen)) {
     case GZIP_OK:
-      z->next_in = (Bytef *)k->str + hlen;
-      z->avail_in = (uInt)(nread - hlen);
-      k->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
+      z->next_in = (Bytef *) buf + hlen;
+      z->avail_in = (uInt) (nbytes - hlen);
+      zp->zlib_init = ZLIB_GZIP_INFLATING; /* Inflating stream state */
       break;
 
     case GZIP_UNDERFLOW:
@@ -348,19 +474,19 @@ Curl_unencode_gzip_write(struct connectdata *conn,
        * the first place, and it's even more unlikely for a transfer to fail
        * immediately afterwards, it should seldom be a problem.
        */
-      z->avail_in = (uInt)nread;
+      z->avail_in = (uInt) nbytes;
       z->next_in = malloc(z->avail_in);
       if(z->next_in == NULL) {
-        return exit_zlib(z, &k->zlib_init, CURLE_OUT_OF_MEMORY);
+        return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
       }
-      memcpy(z->next_in, k->str, z->avail_in);
-      k->zlib_init = ZLIB_GZIP_HEADER;   /* Need more gzip header data state */
+      memcpy(z->next_in, buf, z->avail_in);
+      zp->zlib_init = ZLIB_GZIP_HEADER;  /* Need more gzip header data state */
       /* We don't have any data to inflate yet */
       return CURLE_OK;
 
     case GZIP_BAD:
     default:
-      return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+      return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
     }
 
   }
@@ -370,22 +496,22 @@ Curl_unencode_gzip_write(struct connectdata *conn,
   {
     /* Need more gzip header data state */
     ssize_t hlen;
-    z->avail_in += (uInt)nread;
+    z->avail_in += (uInt) nbytes;
     z->next_in = Curl_saferealloc(z->next_in, z->avail_in);
     if(z->next_in == NULL) {
-      return exit_zlib(z, &k->zlib_init, CURLE_OUT_OF_MEMORY);
+      return exit_zlib(conn, z, &zp->zlib_init, CURLE_OUT_OF_MEMORY);
     }
     /* Append the new block of data to the previous one */
-    memcpy(z->next_in + z->avail_in - nread, k->str, nread);
+    memcpy(z->next_in + z->avail_in - nbytes, buf, nbytes);
 
     switch(check_gzip_header(z->next_in, z->avail_in, &hlen)) {
     case GZIP_OK:
       /* This is the zlib stream data */
       free(z->next_in);
       /* Don't point into the malloced block since we just freed it */
-      z->next_in = (Bytef *)k->str + hlen + nread - z->avail_in;
-      z->avail_in = (uInt)(z->avail_in - hlen);
-      k->zlib_init = ZLIB_GZIP_INFLATING;   /* Inflating stream state */
+      z->next_in = (Bytef *) buf + hlen + nbytes - z->avail_in;
+      z->avail_in = (uInt) (z->avail_in - hlen);
+      zp->zlib_init = ZLIB_GZIP_INFLATING;   /* Inflating stream state */
       break;
 
     case GZIP_UNDERFLOW:
@@ -394,18 +520,22 @@ Curl_unencode_gzip_write(struct connectdata *conn,
 
     case GZIP_BAD:
     default:
-      free(z->next_in);
-      return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
+      return exit_zlib(conn, z, &zp->zlib_init, process_zlib_error(conn, z));
     }
 
   }
   break;
 
+  case ZLIB_GZIP_TRAILER:
+    z->next_in = (Bytef *) buf;
+    z->avail_in = (uInt) nbytes;
+    return process_trailer(conn, zp);
+
   case ZLIB_GZIP_INFLATING:
   default:
     /* Inflating stream state */
-    z->next_in = (Bytef *)k->str;
-    z->avail_in = (uInt)nread;
+    z->next_in = (Bytef *) buf;
+    z->avail_in = (uInt) nbytes;
     break;
   }
 
@@ -415,17 +545,469 @@ Curl_unencode_gzip_write(struct connectdata *conn,
   }
 
   /* We've parsed the header, now uncompress the data */
-  return inflate_stream(conn, k);
+  return inflate_stream(conn, writer, ZLIB_GZIP_INFLATING);
 #endif
 }
 
+static void gzip_close_writer(struct connectdata *conn,
+                              contenc_writer *writer)
+{
+  zlib_params *zp = (zlib_params *) &writer->params;
+  z_stream *z = &zp->z;     /* zlib state structure */
+
+  exit_zlib(conn, z, &zp->zlib_init, CURLE_OK);
+}
+
+static const content_encoding gzip_encoding = {
+  "gzip",
+  "x-gzip",
+  gzip_init_writer,
+  gzip_unencode_write,
+  gzip_close_writer,
+  sizeof(zlib_params)
+};
+
+#endif /* HAVE_LIBZ */
+
+
+#ifdef HAVE_BROTLI
+
+/* Writer parameters. */
+typedef struct {
+  BrotliDecoderState *br;    /* State structure for brotli. */
+}  brotli_params;
+
+
+static CURLcode brotli_map_error(BrotliDecoderErrorCode be)
+{
+  switch(be) {
+  case BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE:
+  case BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE:
+  case BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET:
+  case BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME:
+  case BROTLI_DECODER_ERROR_FORMAT_CL_SPACE:
+  case BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE:
+  case BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT:
+  case BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1:
+  case BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2:
+  case BROTLI_DECODER_ERROR_FORMAT_TRANSFORM:
+  case BROTLI_DECODER_ERROR_FORMAT_DICTIONARY:
+  case BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS:
+  case BROTLI_DECODER_ERROR_FORMAT_PADDING_1:
+  case BROTLI_DECODER_ERROR_FORMAT_PADDING_2:
+#ifdef BROTLI_DECODER_ERROR_COMPOUND_DICTIONARY
+  case BROTLI_DECODER_ERROR_COMPOUND_DICTIONARY:
+#endif
+#ifdef BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET
+  case BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET:
+#endif
+  case BROTLI_DECODER_ERROR_INVALID_ARGUMENTS:
+    return CURLE_BAD_CONTENT_ENCODING;
+  case BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES:
+  case BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS:
+  case BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP:
+  case BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1:
+  case BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2:
+  case BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES:
+    return CURLE_OUT_OF_MEMORY;
+  default:
+    break;
+  }
+  return CURLE_WRITE_ERROR;
+}
+
+static CURLcode brotli_init_writer(struct connectdata *conn,
+                                   contenc_writer *writer)
+{
+  brotli_params *bp = (brotli_params *) &writer->params;
+
+  (void) conn;
+
+  if(!writer->downstream)
+    return CURLE_WRITE_ERROR;
+
+  bp->br = BrotliDecoderCreateInstance(NULL, NULL, NULL);
+  return bp->br? CURLE_OK: CURLE_OUT_OF_MEMORY;
+}
+
+static CURLcode brotli_unencode_write(struct connectdata *conn,
+                                      contenc_writer *writer,
+                                      const char *buf, size_t nbytes)
+{
+  brotli_params *bp = (brotli_params *) &writer->params;
+  const uint8_t *src = (const uint8_t *) buf;
+  char *decomp;
+  uint8_t *dst;
+  size_t dstleft;
+  CURLcode result = CURLE_OK;
+  BrotliDecoderResult r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT;
+
+  if(!bp->br)
+    return CURLE_WRITE_ERROR;  /* Stream already ended. */
+
+  decomp = malloc(DSIZ);
+  if(!decomp)
+    return CURLE_OUT_OF_MEMORY;
+
+  while((nbytes || r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) &&
+        result == CURLE_OK) {
+    dst = (uint8_t *) decomp;
+    dstleft = DSIZ;
+    r = BrotliDecoderDecompressStream(bp->br,
+                                      &nbytes, &src, &dstleft, &dst, NULL);
+    result = Curl_unencode_write(conn, writer->downstream,
+                                 decomp, DSIZ - dstleft);
+    if(result)
+      break;
+    switch(r) {
+    case BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT:
+    case BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT:
+      break;
+    case BROTLI_DECODER_RESULT_SUCCESS:
+      BrotliDecoderDestroyInstance(bp->br);
+      bp->br = NULL;
+      if(nbytes)
+        result = CURLE_WRITE_ERROR;
+      break;
+    default:
+      result = brotli_map_error(BrotliDecoderGetErrorCode(bp->br));
+      break;
+    }
+  }
+  free(decomp);
+  return result;
+}
+
+static void brotli_close_writer(struct connectdata *conn,
+                                contenc_writer *writer)
+{
+  brotli_params *bp = (brotli_params *) &writer->params;
+
+  (void) conn;
+
+  if(bp->br) {
+    BrotliDecoderDestroyInstance(bp->br);
+    bp->br = NULL;
+  }
+}
+
+static const content_encoding brotli_encoding = {
+  "br",
+  NULL,
+  brotli_init_writer,
+  brotli_unencode_write,
+  brotli_close_writer,
+  sizeof(brotli_params)
+};
+#endif
+
+
+/* Identity handler. */
+static CURLcode identity_init_writer(struct connectdata *conn,
+                                     contenc_writer *writer)
+{
+  (void) conn;
+  return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR;
+}
+
+static CURLcode identity_unencode_write(struct connectdata *conn,
+                                        contenc_writer *writer,
+                                        const char *buf, size_t nbytes)
+{
+  return Curl_unencode_write(conn, writer->downstream, buf, nbytes);
+}
+
+static void identity_close_writer(struct connectdata *conn,
+                                  contenc_writer *writer)
+{
+  (void) conn;
+  (void) writer;
+}
+
+static const content_encoding identity_encoding = {
+  "identity",
+  NULL,
+  identity_init_writer,
+  identity_unencode_write,
+  identity_close_writer,
+  0
+};
+
+
+/* supported content encodings table. */
+static const content_encoding * const encodings[] = {
+  &identity_encoding,
+#ifdef HAVE_LIBZ
+  &deflate_encoding,
+  &gzip_encoding,
+#endif
+#ifdef HAVE_BROTLI
+  &brotli_encoding,
+#endif
+  NULL
+};
+
+
+/* Return a list of comma-separated names of supported encodings. */
+char *Curl_all_content_encodings(void)
+{
+  size_t len = 0;
+  const content_encoding * const *cep;
+  const content_encoding *ce;
+  char *ace;
+  char *p;
+
+  for(cep = encodings; *cep; cep++) {
+    ce = *cep;
+    if(!strcasecompare(ce->name, CONTENT_ENCODING_DEFAULT))
+      len += strlen(ce->name) + 2;
+  }
+
+  if(!len)
+    return strdup(CONTENT_ENCODING_DEFAULT);
+
+  ace = malloc(len);
+  if(ace) {
+    p = ace;
+    for(cep = encodings; *cep; cep++) {
+      ce = *cep;
+      if(!strcasecompare(ce->name, CONTENT_ENCODING_DEFAULT)) {
+        strcpy(p, ce->name);
+        p += strlen(p);
+        *p++ = ',';
+        *p++ = ' ';
+      }
+    }
+    p[-2] = '\0';
+  }
+
+  return ace;
+}
+
+
+/* Real client writer: no downstream. */
+static CURLcode client_init_writer(struct connectdata *conn,
+                                   contenc_writer *writer)
+{
+  (void) conn;
+  return writer->downstream? CURLE_WRITE_ERROR: CURLE_OK;
+}
+
+static CURLcode client_unencode_write(struct connectdata *conn,
+                                      contenc_writer *writer,
+                                      const char *buf, size_t nbytes)
+{
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+
+  (void) writer;
+
+  if(!nbytes || k->ignorebody)
+    return CURLE_OK;
+
+  return Curl_client_write(conn, CLIENTWRITE_BODY, (char *) buf, nbytes);
+}
+
+static void client_close_writer(struct connectdata *conn,
+                                contenc_writer *writer)
+{
+  (void) conn;
+  (void) writer;
+}
+
+static const content_encoding client_encoding = {
+  NULL,
+  NULL,
+  client_init_writer,
+  client_unencode_write,
+  client_close_writer,
+  0
+};
+
+
+/* Deferred error dummy writer. */
+static CURLcode error_init_writer(struct connectdata *conn,
+                                  contenc_writer *writer)
+{
+  (void) conn;
+  return writer->downstream? CURLE_OK: CURLE_WRITE_ERROR;
+}
+
+static CURLcode error_unencode_write(struct connectdata *conn,
+                                     contenc_writer *writer,
+                                     const char *buf, size_t nbytes)
+{
+  char *all = Curl_all_content_encodings();
+
+  (void) writer;
+  (void) buf;
+  (void) nbytes;
+
+  if(!all)
+    return CURLE_OUT_OF_MEMORY;
+  failf(conn->data, "Unrecognized content encoding type. "
+                    "libcurl understands %s content encodings.", all);
+  free(all);
+  return CURLE_BAD_CONTENT_ENCODING;
+}
+
+static void error_close_writer(struct connectdata *conn,
+                               contenc_writer *writer)
+{
+  (void) conn;
+  (void) writer;
+}
+
+static const content_encoding error_encoding = {
+  NULL,
+  NULL,
+  error_init_writer,
+  error_unencode_write,
+  error_close_writer,
+  0
+};
+
+/* Create an unencoding writer stage using the given handler. */
+static contenc_writer *new_unencoding_writer(struct connectdata *conn,
+                                             const content_encoding *handler,
+                                             contenc_writer *downstream)
+{
+  size_t sz = offsetof(contenc_writer, params) + handler->paramsize;
+  contenc_writer *writer = (contenc_writer *) malloc(sz);
+
+  if(writer) {
+    memset(writer, 0, sz);
+    writer->handler = handler;
+    writer->downstream = downstream;
+    if(handler->init_writer(conn, writer)) {
+      free(writer);
+      writer = NULL;
+    }
+  }
+
+  return writer;
+}
+
+/* Write data using an unencoding writer stack. */
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes)
+{
+  if(!nbytes)
+    return CURLE_OK;
+  return writer->handler->unencode_write(conn, writer, buf, nbytes);
+}
+
+/* Close and clean-up the connection's writer stack. */
 void Curl_unencode_cleanup(struct connectdata *conn)
 {
   struct Curl_easy *data = conn->data;
   struct SingleRequest *k = &data->req;
-  z_stream *z = &k->z;
-  if(k->zlib_init != ZLIB_UNINIT)
-    (void) exit_zlib(z, &k->zlib_init, CURLE_OK);
+  contenc_writer *writer = k->writer_stack;
+
+  while(writer) {
+    k->writer_stack = writer->downstream;
+    writer->handler->close_writer(conn, writer);
+    free(writer);
+    writer = k->writer_stack;
+  }
 }
 
-#endif /* HAVE_LIBZ */
+/* Find the content encoding by name. */
+static const content_encoding *find_encoding(const char *name, size_t len)
+{
+  const content_encoding * const *cep;
+  const content_encoding *ce;
+
+  for(cep = encodings; *cep; cep++) {
+    ce = *cep;
+    if((strncasecompare(name, ce->name, len) && !ce->name[len]) ||
+       (ce->alias && strncasecompare(name, ce->alias, len) && !ce->alias[len]))
+      return ce;
+  }
+  return NULL;
+}
+
+/* Set-up the unencoding stack from the Content-Encoding header value.
+ * See RFC 7231 section 3.1.2.2. */
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+                                     const char *enclist, int maybechunked)
+{
+  struct Curl_easy *data = conn->data;
+  struct SingleRequest *k = &data->req;
+
+  do {
+    const char *name;
+    size_t namelen;
+
+    /* Parse a single encoding name. */
+    while(ISSPACE(*enclist) || *enclist == ',')
+      enclist++;
+
+    name = enclist;
+
+    for(namelen = 0; *enclist && *enclist != ','; enclist++)
+      if(!ISSPACE(*enclist))
+        namelen = enclist - name + 1;
+
+    /* Special case: chunked encoding is handled at the reader level. */
+    if(maybechunked && namelen == 7 && strncasecompare(name, "chunked", 7)) {
+      k->chunk = TRUE;             /* chunks coming our way. */
+      Curl_httpchunk_init(conn);   /* init our chunky engine. */
+    }
+    else if(namelen) {
+      const content_encoding *encoding = find_encoding(name, namelen);
+      contenc_writer *writer;
+
+      if(!k->writer_stack) {
+        k->writer_stack = new_unencoding_writer(conn, &client_encoding, NULL);
+
+        if(!k->writer_stack)
+          return CURLE_OUT_OF_MEMORY;
+      }
+
+      if(!encoding)
+        encoding = &error_encoding;  /* Defer error at stack use. */
+
+      /* Stack the unencoding stage. */
+      writer = new_unencoding_writer(conn, encoding, k->writer_stack);
+      if(!writer)
+        return CURLE_OUT_OF_MEMORY;
+      k->writer_stack = writer;
+    }
+  } while(*enclist);
+
+  return CURLE_OK;
+}
+
+#else
+/* Stubs for builds without HTTP. */
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+                                     const char *enclist, int maybechunked)
+{
+  (void) conn;
+  (void) enclist;
+  (void) maybechunked;
+  return CURLE_NOT_BUILT_IN;
+}
+
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes)
+{
+  (void) conn;
+  (void) writer;
+  (void) buf;
+  (void) nbytes;
+  return CURLE_NOT_BUILT_IN;
+}
+
+void Curl_unencode_cleanup(struct connectdata *conn)
+{
+  (void) conn;
+}
+
+char *Curl_all_content_encodings(void)
+{
+  return strdup(CONTENT_ENCODING_DEFAULT);  /* Satisfy caller. */
+}
+
+#endif /* CURL_DISABLE_HTTP */
diff --git a/Utilities/cmcurl/lib/content_encoding.h b/Utilities/cmcurl/lib/content_encoding.h
index 3fadd28997..4cd52be622 100644
--- a/Utilities/cmcurl/lib/content_encoding.h
+++ b/Utilities/cmcurl/lib/content_encoding.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -23,26 +23,33 @@
  ***************************************************************************/
 #include "curl_setup.h"
 
-/*
- * Comma-separated list all supported Content-Encodings ('identity' is implied)
- */
-#ifdef HAVE_LIBZ
-#define ALL_CONTENT_ENCODINGS "deflate, gzip"
-/* force a cleanup */
-void Curl_unencode_cleanup(struct connectdata *conn);
-#else
-#define ALL_CONTENT_ENCODINGS "identity"
-#define Curl_unencode_cleanup(x) Curl_nop_stmt
-#endif
+/* Decoding writer. */
+typedef struct contenc_writer_s contenc_writer;
+typedef struct content_encoding_s content_encoding;
+
+struct contenc_writer_s {
+  const content_encoding *handler;  /* Encoding handler. */
+  contenc_writer *downstream;  /* Downstream writer. */
+  void *params;  /* Encoding-specific storage (variable length). */
+};
 
-CURLcode Curl_unencode_deflate_write(struct connectdata *conn,
-                                     struct SingleRequest *req,
-                                     ssize_t nread);
+/* Content encoding writer. */
+struct content_encoding_s {
+  const char *name;        /* Encoding name. */
+  const char *alias;       /* Encoding name alias. */
+  CURLcode (*init_writer)(struct connectdata *conn, contenc_writer *writer);
+  CURLcode (*unencode_write)(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes);
+  void (*close_writer)(struct connectdata *conn, contenc_writer *writer);
+  size_t paramsize;
+};
 
-CURLcode
-Curl_unencode_gzip_write(struct connectdata *conn,
-                         struct SingleRequest *k,
-                         ssize_t nread);
 
+CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
+                                     const char *enclist, int maybechunked);
+CURLcode Curl_unencode_write(struct connectdata *conn, contenc_writer *writer,
+                             const char *buf, size_t nbytes);
+void Curl_unencode_cleanup(struct connectdata *conn);
+char *Curl_all_content_encodings(void);
 
 #endif /* HEADER_CURL_CONTENT_ENCODING_H */
diff --git a/Utilities/cmcurl/lib/cookie.c b/Utilities/cmcurl/lib/cookie.c
index 7fb596af4d..5f0f145fc4 100644
--- a/Utilities/cmcurl/lib/cookie.c
+++ b/Utilities/cmcurl/lib/cookie.c
@@ -309,7 +309,7 @@ static void remove_expired(struct CookieInfo *cookies)
   while(co) {
     nx = co->next;
     if(co->expires && co->expires < now) {
-      if(co == cookies->cookies) {
+      if(!pv) {
         cookies->cookies = co->next;
       }
       else {
diff --git a/Utilities/cmcurl/lib/curl_addrinfo.c b/Utilities/cmcurl/lib/curl_addrinfo.c
index 6eb28bbcb6..ec76f75405 100644
--- a/Utilities/cmcurl/lib/curl_addrinfo.c
+++ b/Utilities/cmcurl/lib/curl_addrinfo.c
@@ -27,6 +27,9 @@
 #ifdef HAVE_NETINET_IN_H
 #  include <netinet/in.h>
 #endif
+#ifdef HAVE_NETINET_IN6_H
+#  include <netinet/in6.h>
+#endif
 #ifdef HAVE_NETDB_H
 #  include <netdb.h>
 #endif
diff --git a/Utilities/cmcurl/lib/curl_config.h.cmake b/Utilities/cmcurl/lib/curl_config.h.cmake
index abe9ffe0ec..1d1e3d791b 100644
--- a/Utilities/cmcurl/lib/curl_config.h.cmake
+++ b/Utilities/cmcurl/lib/curl_config.h.cmake
@@ -389,9 +389,6 @@
 /* if zlib is available */
 #cmakedefine HAVE_LIBZ 1
 
-/* Define to 1 if you have the <limits.h> header file. */
-#cmakedefine HAVE_LIMITS_H 1
-
 /* if your compiler supports LL */
 #cmakedefine HAVE_LL 1
 
@@ -998,3 +995,6 @@
    typedef int ssize_t;
 # endif
 #endif
+
+/* Define to 1 if you have the mach_absolute_time function. */
+#cmakedefine HAVE_MACH_ABSOLUTE_TIME 1
diff --git a/Utilities/cmcurl/lib/curl_fnmatch.c b/Utilities/cmcurl/lib/curl_fnmatch.c
index 631268bc17..f33bba1f1b 100644
--- a/Utilities/cmcurl/lib/curl_fnmatch.c
+++ b/Utilities/cmcurl/lib/curl_fnmatch.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -133,6 +133,9 @@ static int setcharset(unsigned char **p, unsigned char *charset)
   unsigned char c;
   for(;;) {
     c = **p;
+    if(!c)
+      return SETCHARSET_FAIL;
+
     switch(state) {
     case CURLFNM_SCHS_DEFAULT:
       if(ISALNUM(c)) { /* ASCII value */
@@ -196,9 +199,6 @@ static int setcharset(unsigned char **p, unsigned char *charset)
         else
           return SETCHARSET_FAIL;
       }
-      else if(c == '\0') {
-        return SETCHARSET_FAIL;
-      }
       else {
         charset[c] = 1;
         (*p)++;
@@ -235,15 +235,10 @@ static int setcharset(unsigned char **p, unsigned char *charset)
         return SETCHARSET_FAIL;
       break;
     case CURLFNM_SCHS_MAYRANGE2:
-      if(c == '\\') {
-        c = *(++(*p));
-        if(!ISPRINT(c))
-          return SETCHARSET_FAIL;
-      }
       if(c == ']') {
         return SETCHARSET_OK;
       }
-      if(c == '\\') {
+      else if(c == '\\') {
         c = *(++(*p));
         if(ISPRINT(c)) {
           charset[c] = 1;
@@ -253,7 +248,7 @@ static int setcharset(unsigned char **p, unsigned char *charset)
         else
           return SETCHARSET_FAIL;
       }
-      if(c >= rangestart) {
+      else if(c >= rangestart) {
         if((ISLOWER(c) && ISLOWER(rangestart)) ||
            (ISDIGIT(c) && ISDIGIT(rangestart)) ||
            (ISUPPER(c) && ISUPPER(rangestart))) {
@@ -267,6 +262,8 @@ static int setcharset(unsigned char **p, unsigned char *charset)
         else
           return SETCHARSET_FAIL;
       }
+      else
+        return SETCHARSET_FAIL;
       break;
     case CURLFNM_SCHS_RIGHTBR:
       if(c == '[') {
@@ -277,9 +274,6 @@ static int setcharset(unsigned char **p, unsigned char *charset)
       else if(c == ']') {
         return SETCHARSET_OK;
       }
-      else if(c == '\0') {
-        return SETCHARSET_FAIL;
-      }
       else if(ISPRINT(c)) {
         charset[c] = 1;
         (*p)++;
@@ -307,7 +301,8 @@ fail:
   return SETCHARSET_FAIL;
 }
 
-static int loop(const unsigned char *pattern, const unsigned char *string)
+static int loop(const unsigned char *pattern, const unsigned char *string,
+                int maxstars)
 {
   loop_state state = CURLFNM_LOOP_DEFAULT;
   unsigned char *p = (unsigned char *)pattern;
@@ -319,11 +314,14 @@ static int loop(const unsigned char *pattern, const unsigned char *string)
     switch(state) {
     case CURLFNM_LOOP_DEFAULT:
       if(*p == '*') {
+        if(!maxstars)
+          return CURL_FNMATCH_NOMATCH;
         while(*(p + 1) == '*') /* eliminate multiple stars */
           p++;
         if(*s == '\0' && *(p + 1) == '\0')
           return CURL_FNMATCH_MATCH;
-        rc = loop(p + 1, s); /* *.txt matches .txt <=> .txt matches .txt */
+        rc = loop(p + 1, s, maxstars - 1); /* *.txt matches .txt <=>
+                                              .txt matches .txt */
         if(rc == CURL_FNMATCH_MATCH)
           return CURL_FNMATCH_MATCH;
         if(*s) /* let the star eat up one character */
@@ -382,7 +380,9 @@ static int loop(const unsigned char *pattern, const unsigned char *string)
 
           if(found) {
             p = pp + 1;
-            s++;
+            if(*s)
+              /* don't advance if we're matching on an empty string */
+              s++;
             memset(charset, 0, CURLFNM_CHSET_SIZE);
           }
           else
@@ -420,5 +420,5 @@ int Curl_fnmatch(void *ptr, const char *pattern, const char *string)
   if(!pattern || !string) {
     return CURL_FNMATCH_FAIL;
   }
-  return loop((unsigned char *)pattern, (unsigned char *)string);
+  return loop((unsigned char *)pattern, (unsigned char *)string, 5);
 }
diff --git a/Utilities/cmcurl/lib/curl_ntlm_core.c b/Utilities/cmcurl/lib/curl_ntlm_core.c
index 5154949e6e..e8962769ca 100644
--- a/Utilities/cmcurl/lib/curl_ntlm_core.c
+++ b/Utilities/cmcurl/lib/curl_ntlm_core.c
@@ -557,7 +557,7 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
                                    unsigned char *ntbuffer /* 21 bytes */)
 {
   size_t len = strlen(password);
-  unsigned char *pw = malloc(len * 2);
+  unsigned char *pw = len ? malloc(len * 2) : strdup("");
   CURLcode result;
   if(!pw)
     return CURLE_OUT_OF_MEMORY;
@@ -646,6 +646,15 @@ CURLcode Curl_hmac_md5(const unsigned char *key, unsigned int keylen,
   return CURLE_OK;
 }
 
+#ifndef SIZE_T_MAX
+/* some limits.h headers have this defined, some don't */
+#if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
+#define SIZE_T_MAX 18446744073709551615U
+#else
+#define SIZE_T_MAX 4294967295U
+#endif
+#endif
+
 /* This creates the NTLMv2 hash by using NTLM hash as the key and Unicode
  * (uppercase UserName + Domain) as the data
  */
@@ -655,10 +664,20 @@ CURLcode Curl_ntlm_core_mk_ntlmv2_hash(const char *user, size_t userlen,
                                        unsigned char *ntlmv2hash)
 {
   /* Unicode representation */
-  size_t identity_len = (userlen + domlen) * 2;
-  unsigned char *identity = malloc(identity_len);
+  size_t identity_len;
+  unsigned char *identity;
   CURLcode result = CURLE_OK;
 
+  /* we do the length checks below separately to avoid integer overflow risk
+     on extreme data lengths */
+  if((userlen > SIZE_T_MAX/2) ||
+     (domlen > SIZE_T_MAX/2) ||
+     ((userlen + domlen) > SIZE_T_MAX/2))
+    return CURLE_OUT_OF_MEMORY;
+
+  identity_len = (userlen + domlen) * 2;
+  identity = malloc(identity_len);
+
   if(!identity)
     return CURLE_OUT_OF_MEMORY;
 
diff --git a/Utilities/cmcurl/lib/curl_path.c b/Utilities/cmcurl/lib/curl_path.c
new file mode 100644
index 0000000000..e843deac7c
--- /dev/null
+++ b/Utilities/cmcurl/lib/curl_path.c
@@ -0,0 +1,195 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+#include "curl_memory.h"
+#include "curl_path.h"
+#include "escape.h"
+#include "memdebug.h"
+
+/* figure out the path to work with in this particular request */
+CURLcode Curl_getworkingpath(struct connectdata *conn,
+                             char *homedir,  /* when SFTP is used */
+                             char **path) /* returns the  allocated
+                                             real path to work with */
+{
+  struct Curl_easy *data = conn->data;
+  char *real_path = NULL;
+  char *working_path;
+  size_t working_path_len;
+  CURLcode result =
+    Curl_urldecode(data, data->state.path, 0, &working_path,
+                   &working_path_len, FALSE);
+  if(result)
+    return result;
+
+  /* Check for /~/, indicating relative to the user's home directory */
+  if(conn->handler->protocol & CURLPROTO_SCP) {
+    real_path = malloc(working_path_len + 1);
+    if(real_path == NULL) {
+      free(working_path);
+      return CURLE_OUT_OF_MEMORY;
+    }
+    if((working_path_len > 3) && (!memcmp(working_path, "/~/", 3)))
+      /* It is referenced to the home directory, so strip the leading '/~/' */
+      memcpy(real_path, working_path + 3, 4 + working_path_len-3);
+    else
+      memcpy(real_path, working_path, 1 + working_path_len);
+  }
+  else if(conn->handler->protocol & CURLPROTO_SFTP) {
+    if((working_path_len > 1) && (working_path[1] == '~')) {
+      size_t homelen = strlen(homedir);
+      real_path = malloc(homelen + working_path_len + 1);
+      if(real_path == NULL) {
+        free(working_path);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      /* It is referenced to the home directory, so strip the
+         leading '/' */
+      memcpy(real_path, homedir, homelen);
+      real_path[homelen] = '/';
+      real_path[homelen + 1] = '\0';
+      if(working_path_len > 3) {
+        memcpy(real_path + homelen + 1, working_path + 3,
+               1 + working_path_len -3);
+      }
+    }
+    else {
+      real_path = malloc(working_path_len + 1);
+      if(real_path == NULL) {
+        free(working_path);
+        return CURLE_OUT_OF_MEMORY;
+      }
+      memcpy(real_path, working_path, 1 + working_path_len);
+    }
+  }
+
+  free(working_path);
+
+  /* store the pointer for the caller to receive */
+  *path = real_path;
+
+  return CURLE_OK;
+}
+
+/* The get_pathname() function is being borrowed from OpenSSH sftp.c
+   version 4.6p1. */
+/*
+ * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+CURLcode Curl_get_pathname(const char **cpp, char **path, char *homedir)
+{
+  const char *cp = *cpp, *end;
+  char quot;
+  unsigned int i, j;
+  size_t fullPathLength, pathLength;
+  bool relativePath = false;
+  static const char WHITESPACE[] = " \t\r\n";
+
+  if(!*cp) {
+    *cpp = NULL;
+    *path = NULL;
+    return CURLE_QUOTE_ERROR;
+  }
+  /* Ignore leading whitespace */
+  cp += strspn(cp, WHITESPACE);
+  /* Allocate enough space for home directory and filename + separator */
+  fullPathLength = strlen(cp) + strlen(homedir) + 2;
+  *path = malloc(fullPathLength);
+  if(*path == NULL)
+    return CURLE_OUT_OF_MEMORY;
+
+  /* Check for quoted filenames */
+  if(*cp == '\"' || *cp == '\'') {
+    quot = *cp++;
+
+    /* Search for terminating quote, unescape some chars */
+    for(i = j = 0; i <= strlen(cp); i++) {
+      if(cp[i] == quot) {  /* Found quote */
+        i++;
+        (*path)[j] = '\0';
+        break;
+      }
+      if(cp[i] == '\0') {  /* End of string */
+        /*error("Unterminated quote");*/
+        goto fail;
+      }
+      if(cp[i] == '\\') {  /* Escaped characters */
+        i++;
+        if(cp[i] != '\'' && cp[i] != '\"' &&
+            cp[i] != '\\') {
+          /*error("Bad escaped character '\\%c'",
+              cp[i]);*/
+          goto fail;
+        }
+      }
+      (*path)[j++] = cp[i];
+    }
+
+    if(j == 0) {
+      /*error("Empty quotes");*/
+      goto fail;
+    }
+    *cpp = cp + i + strspn(cp + i, WHITESPACE);
+  }
+  else {
+    /* Read to end of filename - either to white space or terminator */
+    end = strpbrk(cp, WHITESPACE);
+    if(end == NULL)
+      end = strchr(cp, '\0');
+    /* return pointer to second parameter if it exists */
+    *cpp = end + strspn(end, WHITESPACE);
+    pathLength = 0;
+    relativePath = (cp[0] == '/' && cp[1] == '~' && cp[2] == '/');
+    /* Handling for relative path - prepend home directory */
+    if(relativePath) {
+      strcpy(*path, homedir);
+      pathLength = strlen(homedir);
+      (*path)[pathLength++] = '/';
+      (*path)[pathLength] = '\0';
+      cp += 3;
+    }
+    /* Copy path name up until first "white space" */
+    memcpy(&(*path)[pathLength], cp, (int)(end - cp));
+    pathLength += (int)(end - cp);
+    (*path)[pathLength] = '\0';
+  }
+  return CURLE_OK;
+
+  fail:
+  Curl_safefree(*path);
+  return CURLE_QUOTE_ERROR;
+}
diff --git a/Utilities/cmcurl/lib/curl_path.h b/Utilities/cmcurl/lib/curl_path.h
new file mode 100644
index 0000000000..f9d4327508
--- /dev/null
+++ b/Utilities/cmcurl/lib/curl_path.h
@@ -0,0 +1,44 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include <curl/curl.h>
+#include "urldata.h"
+
+#ifdef WIN32
+#  undef  PATH_MAX
+#  define PATH_MAX MAX_PATH
+#  ifndef R_OK
+#    define R_OK 4
+#  endif
+#endif
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024 /* just an extra precaution since there are systems that
+                         have their definition hidden well */
+#endif
+
+CURLcode Curl_getworkingpath(struct connectdata *conn,
+                             char *homedir,
+                             char **path);
+
+CURLcode Curl_get_pathname(const char **cpp, char **path, char *homedir);
diff --git a/Utilities/cmcurl/lib/curl_setup.h b/Utilities/cmcurl/lib/curl_setup.h
index 5880dc0c41..16e1ccdee4 100644
--- a/Utilities/cmcurl/lib/curl_setup.h
+++ b/Utilities/cmcurl/lib/curl_setup.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -431,6 +431,14 @@
 #  endif
 #endif
 
+#if (SIZEOF_CURL_OFF_T == 4)
+#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
+#else
+   /* assume CURL_SIZEOF_CURL_OFF_T == 8 */
+#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
+#endif
+#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
+
 /*
  * Arg 2 type for gethostname in case it hasn't been defined in config file.
  */
@@ -766,9 +774,10 @@ endings either CRLF or LF so 't' is appropriate.
 
 /* Detect Windows App environment which has a restricted access
  * to the Win32 APIs. */
-# if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)
+# if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
+  defined(WINAPI_FAMILY)
 #  include <winapifamily.h>
-#  if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
+#  if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) &&  \
      !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
 #    define CURL_WINDOWS_APP
 #  endif
diff --git a/Utilities/cmcurl/lib/curl_sha256.h b/Utilities/cmcurl/lib/curl_sha256.h
new file mode 100644
index 0000000000..6db4b04dbb
--- /dev/null
+++ b/Utilities/cmcurl/lib/curl_sha256.h
@@ -0,0 +1,32 @@
+#ifndef HEADER_CURL_SHA256_H
+#define HEADER_CURL_SHA256_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Florin Petriuc, <petriuc.florin@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+void Curl_sha256it(unsigned char *outbuffer,
+                const unsigned char *input);
+
+#endif
+
+#endif /* HEADER_CURL_SHA256_H */
diff --git a/Utilities/cmcurl/lib/curlx.h b/Utilities/cmcurl/lib/curlx.h
index 6168dc119f..6e418266b1 100644
--- a/Utilities/cmcurl/lib/curlx.h
+++ b/Utilities/cmcurl/lib/curlx.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -42,16 +42,6 @@
    curl_off_t number from a given string.
 */
 
-#include "timeval.h"
-/*
-  "timeval.h" sets up a 'struct timeval' even for platforms that otherwise
-  don't have one and has protos for these functions:
-
-  curlx_tvnow()
-  curlx_tvdiff()
-  curlx_tvdiff_secs()
-*/
-
 #include "nonblock.h"
 /* "nonblock.h" provides curlx_nonblock() */
 
diff --git a/Utilities/cmcurl/lib/easy.c b/Utilities/cmcurl/lib/easy.c
index 5328f9c2d9..edc716d0a5 100644
--- a/Utilities/cmcurl/lib/easy.c
+++ b/Utilities/cmcurl/lib/easy.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -65,13 +65,15 @@
 #include "sendf.h" /* for failf function prototype */
 #include "connect.h" /* for Curl_getconnectinfo */
 #include "slist.h"
+#include "mime.h"
 #include "amigaos.h"
 #include "non-ascii.h"
 #include "warnless.h"
-#include "conncache.h"
 #include "multiif.h"
 #include "sigpipe.h"
 #include "ssh.h"
+#include "setopt.h"
+
 /* The last 3 #include files should be in this order */
 #include "curl_printf.h"
 #include "curl_memory.h"
@@ -214,11 +216,10 @@ static CURLcode global_init(long flags, bool memoryfuncs)
 #endif
   }
 
-  if(flags & CURL_GLOBAL_SSL)
-    if(!Curl_ssl_init()) {
-      DEBUGF(fprintf(stderr, "Error: Curl_ssl_init failed\n"));
-      return CURLE_FAILED_INIT;
-    }
+  if(!Curl_ssl_init()) {
+    DEBUGF(fprintf(stderr, "Error: Curl_ssl_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
 
   if(flags & CURL_GLOBAL_WIN32)
     if(win32_init()) {
@@ -253,6 +254,13 @@ static CURLcode global_init(long flags, bool memoryfuncs)
   }
 #endif
 
+#if defined(USE_LIBSSH)
+  if(ssh_init()) {
+    DEBUGF(fprintf(stderr, "Error: libssh_init failed\n"));
+    return CURLE_FAILED_INIT;
+  }
+#endif
+
   if(flags & CURL_GLOBAL_ACK_EINTR)
     Curl_ack_eintr = 1;
 
@@ -318,10 +326,7 @@ void curl_global_cleanup(void)
     return;
 
   Curl_global_host_cache_dtor();
-
-  if(init_flags & CURL_GLOBAL_SSL)
-    Curl_ssl_cleanup();
-
+  Curl_ssl_cleanup();
   Curl_resolver_global_cleanup();
 
   if(init_flags & CURL_GLOBAL_WIN32)
@@ -333,6 +338,10 @@ void curl_global_cleanup(void)
   (void)libssh2_exit();
 #endif
 
+#if defined(USE_LIBSSH)
+  (void)ssh_finalize();
+#endif
+
   init_flags  = 0;
 }
 
@@ -365,28 +374,6 @@ struct Curl_easy *curl_easy_init(void)
   return data;
 }
 
-/*
- * curl_easy_setopt() is the external interface for setting options on an
- * easy handle.
- */
-
-#undef curl_easy_setopt
-CURLcode curl_easy_setopt(struct Curl_easy *data, CURLoption tag, ...)
-{
-  va_list arg;
-  CURLcode result;
-
-  if(!data)
-    return CURLE_BAD_FUNCTION_ARGUMENT;
-
-  va_start(arg, tag);
-
-  result = Curl_setopt(data, tag, arg);
-
-  va_end(arg);
-  return result;
-}
-
 #ifdef CURLDEBUG
 
 struct socketmonitor {
@@ -586,12 +573,12 @@ static CURLcode wait_or_timeout(struct Curl_multi *multi, struct events *ev)
     }
 
     /* get the time stamp to use to figure out how long poll takes */
-    before = curlx_tvnow();
+    before = Curl_now();
 
     /* wait for activity or timeout */
     pollrc = Curl_poll(fds, numfds, (int)ev->ms);
 
-    after = curlx_tvnow();
+    after = Curl_now();
 
     ev->msbump = FALSE; /* reset here */
 
@@ -619,7 +606,7 @@ static CURLcode wait_or_timeout(struct Curl_multi *multi, struct events *ev)
         /* If nothing updated the timeout, we decrease it by the spent time.
          * If it was updated, it has the new timeout time stored already.
          */
-        time_t timediff = curlx_tvdiff(after, before);
+        timediff_t timediff = Curl_timediff(after, before);
         if(timediff > 0) {
           if(timediff > ev->ms)
             ev->ms = 0;
@@ -680,17 +667,17 @@ static CURLcode easy_transfer(struct Curl_multi *multi)
     int still_running = 0;
     int rc;
 
-    before = curlx_tvnow();
+    before = Curl_now();
     mcode = curl_multi_wait(multi, NULL, 0, 1000, &rc);
 
     if(!mcode) {
       if(!rc) {
-        struct curltime after = curlx_tvnow();
+        struct curltime after = Curl_now();
 
         /* If it returns without any filedescriptor instantly, we need to
            avoid busy-looping during periods where it has nothing particular
            to wait for */
-        if(curlx_tvdiff(after, before) <= 10) {
+        if(Curl_timediff(after, before) <= 10) {
           without_fds++;
           if(without_fds > 2) {
             int sleep_ms = without_fds < 10 ? (1 << (without_fds - 1)) : 1000;
@@ -861,6 +848,44 @@ CURLcode curl_easy_getinfo(struct Curl_easy *data, CURLINFO info, ...)
   return result;
 }
 
+static CURLcode dupset(struct Curl_easy *dst, struct Curl_easy *src)
+{
+  CURLcode result = CURLE_OK;
+  enum dupstring i;
+
+  /* Copy src->set into dst->set first, then deal with the strings
+     afterwards */
+  dst->set = src->set;
+  Curl_mime_initpart(&dst->set.mimepost, dst);
+
+  /* clear all string pointers first */
+  memset(dst->set.str, 0, STRING_LAST * sizeof(char *));
+
+  /* duplicate all strings */
+  for(i = (enum dupstring)0; i< STRING_LASTZEROTERMINATED; i++) {
+    result = Curl_setstropt(&dst->set.str[i], src->set.str[i]);
+    if(result)
+      return result;
+  }
+
+  /* duplicate memory areas pointed to */
+  i = STRING_COPYPOSTFIELDS;
+  if(src->set.postfieldsize && src->set.str[i]) {
+    /* postfieldsize is curl_off_t, Curl_memdup() takes a size_t ... */
+    dst->set.str[i] = Curl_memdup(src->set.str[i],
+                                  curlx_sotouz(src->set.postfieldsize));
+    if(!dst->set.str[i])
+      return CURLE_OUT_OF_MEMORY;
+    /* point to the new copy */
+    dst->set.postfields = dst->set.str[i];
+  }
+
+  /* Duplicate mime data. */
+  result = Curl_mime_duppart(&dst->set.mimepost, &src->set.mimepost);
+
+  return result;
+}
+
 /*
  * curl_easy_duphandle() is an external interface to allow duplication of a
  * given input easy handle. The returned handle will be a new working handle
@@ -888,7 +913,7 @@ struct Curl_easy *curl_easy_duphandle(struct Curl_easy *data)
   outcurl->state.headersize = HEADERSIZE;
 
   /* copy all userdefined values */
-  if(Curl_dupset(outcurl, data))
+  if(dupset(outcurl, data))
     goto fail;
 
   /* the connection cache is setup on demand */
@@ -978,7 +1003,7 @@ void curl_easy_reset(struct Curl_easy *data)
   /* zero out UserDefined data: */
   Curl_freeset(data);
   memset(&data->set, 0, sizeof(struct UserDefined));
-  (void)Curl_init_userdefined(&data->set);
+  (void)Curl_init_userdefined(data);
 
   /* zero out Progress data: */
   memset(&data->progress, 0, sizeof(struct Progress));
@@ -1025,6 +1050,8 @@ CURLcode curl_easy_pause(struct Curl_easy *data, int action)
     unsigned int i;
     unsigned int count = data->state.tempcount;
     struct tempbuf writebuf[3]; /* there can only be three */
+    struct connectdata *conn = data->easy_conn;
+    struct Curl_easy *saved_data = NULL;
 
     /* copy the structs to allow for immediate re-pausing */
     for(i = 0; i < data->state.tempcount; i++) {
@@ -1033,16 +1060,27 @@ CURLcode curl_easy_pause(struct Curl_easy *data, int action)
     }
     data->state.tempcount = 0;
 
+    /* set the connection's current owner */
+    if(conn->data != data) {
+      saved_data = conn->data;
+      conn->data = data;
+    }
+
     for(i = 0; i < count; i++) {
       /* even if one function returns error, this loops through and frees all
          buffers */
       if(!result)
-        result = Curl_client_chop_write(data->easy_conn,
+        result = Curl_client_chop_write(conn,
                                         writebuf[i].type,
                                         writebuf[i].buf,
                                         writebuf[i].len);
       free(writebuf[i].buf);
     }
+
+    /* recover previous owner of the connection */
+    if(saved_data)
+      conn->data = saved_data;
+
     if(result)
       return result;
   }
diff --git a/Utilities/cmcurl/lib/file.c b/Utilities/cmcurl/lib/file.c
index 7cfdab19f5..0bbc0e1800 100644
--- a/Utilities/cmcurl/lib/file.c
+++ b/Utilities/cmcurl/lib/file.c
@@ -404,7 +404,7 @@ static CURLcode file_upload(struct connectdata *conn)
     if(Curl_pgrsUpdate(conn))
       result = CURLE_ABORTED_BY_CALLBACK;
     else
-      result = Curl_speedcheck(data, Curl_tvnow());
+      result = Curl_speedcheck(data, Curl_now());
   }
   if(!result && Curl_pgrsUpdate(conn))
     result = CURLE_ABORTED_BY_CALLBACK;
@@ -589,7 +589,7 @@ static CURLcode file_do(struct connectdata *conn, bool *done)
     if(Curl_pgrsUpdate(conn))
       result = CURLE_ABORTED_BY_CALLBACK;
     else
-      result = Curl_speedcheck(data, Curl_tvnow());
+      result = Curl_speedcheck(data, Curl_now());
   }
   if(Curl_pgrsUpdate(conn))
     result = CURLE_ABORTED_BY_CALLBACK;
diff --git a/Utilities/cmcurl/lib/formdata.c b/Utilities/cmcurl/lib/formdata.c
index 3568ac5791..d0579c52fe 100644
--- a/Utilities/cmcurl/lib/formdata.c
+++ b/Utilities/cmcurl/lib/formdata.c
@@ -907,7 +907,7 @@ CURLcode Curl_getformdata(struct Curl_easy *data,
         result = curl_mime_headers(part, file->contentheader, 0);
 
       /* Set the content type. */
-      if(!result &&file->contenttype)
+      if(!result && file->contenttype)
         result = curl_mime_type(part, file->contenttype);
 
       /* Set field name. */
diff --git a/Utilities/cmcurl/lib/ftp.c b/Utilities/cmcurl/lib/ftp.c
index 84ae37b2f9..d3b02201f0 100644
--- a/Utilities/cmcurl/lib/ftp.c
+++ b/Utilities/cmcurl/lib/ftp.c
@@ -182,7 +182,8 @@ const struct Curl_handler Curl_handler_ftp = {
   PORT_FTP,                        /* defport */
   CURLPROTO_FTP,                   /* protocol */
   PROTOPT_DUAL | PROTOPT_CLOSEACTION | PROTOPT_NEEDSPWD |
-  PROTOPT_NOURLQUERY | PROTOPT_PROXY_AS_HTTP /* flags */
+  PROTOPT_NOURLQUERY | PROTOPT_PROXY_AS_HTTP |
+  PROTOPT_WILDCARD /* flags */
 };
 
 
@@ -210,7 +211,7 @@ const struct Curl_handler Curl_handler_ftps = {
   PORT_FTPS,                       /* defport */
   CURLPROTO_FTPS,                  /* protocol */
   PROTOPT_SSL | PROTOPT_DUAL | PROTOPT_CLOSEACTION |
-  PROTOPT_NEEDSPWD | PROTOPT_NOURLQUERY /* flags */
+  PROTOPT_NEEDSPWD | PROTOPT_NOURLQUERY | PROTOPT_WILDCARD /* flags */
 };
 #endif
 
@@ -332,16 +333,16 @@ static CURLcode AcceptServerConnect(struct connectdata *conn)
  * Curl_pgrsTime(..., TIMER_STARTACCEPT);
  *
  */
-static time_t ftp_timeleft_accept(struct Curl_easy *data)
+static timediff_t ftp_timeleft_accept(struct Curl_easy *data)
 {
-  time_t timeout_ms = DEFAULT_ACCEPT_TIMEOUT;
-  time_t other;
+  timediff_t timeout_ms = DEFAULT_ACCEPT_TIMEOUT;
+  timediff_t other;
   struct curltime now;
 
   if(data->set.accepttimeout > 0)
     timeout_ms = data->set.accepttimeout;
 
-  now = Curl_tvnow();
+  now = Curl_now();
 
   /* check if the generic timeout possibly is set shorter */
   other =  Curl_timeleft(data, &now, FALSE);
@@ -351,7 +352,7 @@ static time_t ftp_timeleft_accept(struct Curl_easy *data)
     timeout_ms = other;
   else {
     /* subtract elapsed time */
-    timeout_ms -= Curl_tvdiff(now, data->progress.t_acceptdata);
+    timeout_ms -= Curl_timediff(now, data->progress.t_acceptdata);
     if(!timeout_ms)
       /* avoid returning 0 as that means no timeout! */
       return -1;
@@ -1457,25 +1458,22 @@ static CURLcode ftp_state_list(struct connectdata *conn)
      then just do LIST (in that case: nothing to do here)
   */
   char *cmd, *lstArg, *slashPos;
+  const char *inpath = data->state.path;
 
   lstArg = NULL;
   if((data->set.ftp_filemethod == FTPFILE_NOCWD) &&
-     data->state.path &&
-     data->state.path[0] &&
-     strchr(data->state.path, '/')) {
-
-    lstArg = strdup(data->state.path);
-    if(!lstArg)
-      return CURLE_OUT_OF_MEMORY;
+     inpath && inpath[0] && strchr(inpath, '/')) {
+    size_t n = strlen(inpath);
 
     /* Check if path does not end with /, as then we cut off the file part */
-    if(lstArg[strlen(lstArg) - 1] != '/') {
-
+    if(inpath[n - 1] != '/') {
       /* chop off the file part if format is dir/dir/file */
-      slashPos = strrchr(lstArg, '/');
-      if(slashPos)
-        *(slashPos + 1) = '\0';
+      slashPos = strrchr(inpath, '/');
+      n = slashPos - inpath;
     }
+    result = Curl_urldecode(data, inpath, n, &lstArg, NULL, FALSE);
+    if(result)
+      return result;
   }
 
   cmd = aprintf("%s%s%s",
@@ -1877,8 +1875,8 @@ static CURLcode ftp_state_pasv_resp(struct connectdata *conn,
   else if((ftpc->count1 == 1) &&
           (ftpcode == 227)) {
     /* positive PASV response */
-    int ip[4];
-    int port[2];
+    unsigned int ip[4];
+    unsigned int port[2];
 
     /*
      * Scan for a sequence of six comma-separated numbers and use them as
@@ -1890,14 +1888,15 @@ static CURLcode ftp_state_pasv_resp(struct connectdata *conn,
      * "227 Entering passive mode. 127,0,0,1,4,51"
      */
     while(*str) {
-      if(6 == sscanf(str, "%d,%d,%d,%d,%d,%d",
+      if(6 == sscanf(str, "%u,%u,%u,%u,%u,%u",
                      &ip[0], &ip[1], &ip[2], &ip[3],
                      &port[0], &port[1]))
         break;
       str++;
     }
 
-    if(!*str) {
+    if(!*str || (ip[0] > 255) || (ip[1] > 255)  || (ip[2] > 255)  ||
+       (ip[3] > 255) || (port[0] > 255)  || (port[1] > 255) ) {
       failf(data, "Couldn't interpret the 227-response");
       return CURLE_FTP_WEIRD_227_FORMAT;
     }
@@ -2419,8 +2418,8 @@ static CURLcode ftp_state_get_resp(struct connectdata *conn,
       char *bytes;
       char *buf = data->state.buffer;
       bytes = strstr(buf, " bytes");
-      if(bytes--) {
-        long in = (long)(bytes-buf);
+      if(bytes) {
+        long in = (long)(--bytes-buf);
         /* this is a hint there is size information in there! ;-) */
         while(--in) {
           /* scan for the left parenthesis and break there */
@@ -3179,7 +3178,7 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
   /* now store a copy of the directory we are in */
   free(ftpc->prevpath);
 
-  if(data->set.wildcardmatch) {
+  if(data->state.wildcardmatch) {
     if(data->set.chunk_end && ftpc->file) {
       data->set.chunk_end(data->wildcard.customptr);
     }
@@ -3263,7 +3262,7 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
     long old_time = pp->response_time;
 
     pp->response_time = 60*1000; /* give it only a minute for now */
-    pp->response = Curl_tvnow(); /* timeout relative now */
+    pp->response = Curl_now(); /* timeout relative now */
 
     result = Curl_GetFTPResponse(&nread, conn, &ftpcode);
 
@@ -3383,7 +3382,7 @@ CURLcode ftp_sendquote(struct connectdata *conn, struct curl_slist *quote)
 
       PPSENDF(&conn->proto.ftpc.pp, "%s", cmd);
 
-      pp->response = Curl_tvnow(); /* timeout relative now */
+      pp->response = Curl_now(); /* timeout relative now */
 
       result = Curl_GetFTPResponse(&nread, conn, &ftpcode);
       if(result)
@@ -3965,7 +3964,7 @@ static CURLcode ftp_do(struct connectdata *conn, bool *done)
   *done = FALSE; /* default to false */
   ftpc->wait_data_conn = FALSE; /* default to no such wait */
 
-  if(conn->data->set.wildcardmatch) {
+  if(conn->data->state.wildcardmatch) {
     result = wc_statemach(conn);
     if(conn->data->wildcard.state == CURLWC_SKIP ||
       conn->data->wildcard.state == CURLWC_DONE) {
diff --git a/Utilities/cmcurl/lib/ftplistparser.c b/Utilities/cmcurl/lib/ftplistparser.c
index b2a8c0fdbc..262ac03062 100644
--- a/Utilities/cmcurl/lib/ftplistparser.c
+++ b/Utilities/cmcurl/lib/ftplistparser.c
@@ -264,16 +264,6 @@ static int ftp_pl_get_permission(const char *str)
   return permissions;
 }
 
-static void PL_ERROR(struct connectdata *conn, CURLcode err)
-{
-  struct ftp_wc_tmpdata *tmpdata = conn->data->wildcard.tmp;
-  struct ftp_parselist_data *parser = tmpdata->parser;
-  if(parser->file_data)
-    Curl_fileinfo_dtor(NULL, parser->file_data);
-  parser->file_data = NULL;
-  parser->error = err;
-}
-
 static CURLcode ftp_pl_insert_finfo(struct connectdata *conn,
                                     struct fileinfo *infop)
 {
@@ -338,6 +328,7 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
   struct curl_fileinfo *finfo;
   unsigned long i = 0;
   CURLcode result;
+  size_t retsize = bufflen;
 
   if(parser->error) { /* error in previous call */
     /* scenario:
@@ -346,7 +337,7 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
      * 3. (last) call => is skipped RIGHT HERE and the error is hadled later
      *    in wc_statemach()
      */
-    return bufflen;
+    goto fail;
   }
 
   if(parser->os_type == OS_TYPE_UNKNOWN && bufflen > 0) {
@@ -362,12 +353,12 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
       parser->file_data = Curl_fileinfo_alloc();
       if(!parser->file_data) {
         parser->error = CURLE_OUT_OF_MEMORY;
-        return bufflen;
+        goto fail;
       }
       parser->file_data->info.b_data = malloc(FTP_BUFFER_ALLOCSIZE);
       if(!parser->file_data->info.b_data) {
-        PL_ERROR(conn, CURLE_OUT_OF_MEMORY);
-        return bufflen;
+        parser->error = CURLE_OUT_OF_MEMORY;
+        goto fail;
       }
       parser->file_data->info.b_size = FTP_BUFFER_ALLOCSIZE;
       parser->item_offset = 0;
@@ -390,8 +381,7 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
         Curl_fileinfo_dtor(NULL, parser->file_data);
         parser->file_data = NULL;
         parser->error = CURLE_OUT_OF_MEMORY;
-        PL_ERROR(conn, CURLE_OUT_OF_MEMORY);
-        return bufflen;
+        goto fail;
       }
     }
 
@@ -429,15 +419,15 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               while(ISDIGIT(*endptr))
                 endptr++;
               if(*endptr != 0) {
-                PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-                return bufflen;
+                parser->error = CURLE_FTP_BAD_FILE_LIST;
+                goto fail;
               }
               parser->state.UNIX.main = PL_UNIX_FILETYPE;
               finfo->b_used = 0;
             }
             else {
-              PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-              return bufflen;
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
             }
           }
           break;
@@ -470,8 +460,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
           finfo->filetype = CURLFILETYPE_DOOR;
           break;
         default:
-          PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-          return bufflen;
+          parser->error = CURLE_FTP_BAD_FILE_LIST;
+          goto fail;
         }
         parser->state.UNIX.main = PL_UNIX_PERMISSION;
         parser->item_length = 0;
@@ -481,21 +471,21 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
         parser->item_length++;
         if(parser->item_length <= 9) {
           if(!strchr("rwx-tTsS", c)) {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
         }
         else if(parser->item_length == 10) {
           unsigned int perm;
           if(c != ' ') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           finfo->b_data[10] = 0; /* terminate permissions */
           perm = ftp_pl_get_permission(finfo->b_data + parser->item_offset);
           if(perm & FTP_LP_MALFORMATED_PERM) {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           parser->file_data->info.flags |= CURLFINFOFLAG_KNOWN_PERM;
           parser->file_data->info.perm = perm;
@@ -516,8 +506,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               parser->state.UNIX.sub.hlinks = PL_UNIX_HLINKS_NUMBER;
             }
             else {
-              PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-              return bufflen;
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
             }
           }
           break;
@@ -538,8 +528,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.sub.user = PL_UNIX_USER_PRESPACE;
           }
           else if(c < '0' || c > '9') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -598,8 +588,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               parser->state.UNIX.sub.size = PL_UNIX_SIZE_NUMBER;
             }
             else {
-              PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-              return bufflen;
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
             }
           }
           break;
@@ -623,8 +613,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             }
           }
           else if(!ISDIGIT(c)) {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -639,8 +629,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               parser->state.UNIX.sub.time = PL_UNIX_TIME_PART1;
             }
             else {
-              PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-              return bufflen;
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
             }
           }
           break;
@@ -650,8 +640,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART2;
           }
           else if(!ISALNUM(c) && c != '.') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         case PL_UNIX_TIME_PREPART2:
@@ -661,8 +651,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               parser->state.UNIX.sub.time = PL_UNIX_TIME_PART2;
             }
             else {
-              PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-              return bufflen;
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
             }
           }
           break;
@@ -672,8 +662,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.sub.time = PL_UNIX_TIME_PREPART3;
           }
           else if(!ISALNUM(c) && c != '.') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         case PL_UNIX_TIME_PREPART3:
@@ -683,8 +673,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               parser->state.UNIX.sub.time = PL_UNIX_TIME_PART3;
             }
             else {
-              PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-              return bufflen;
+              parser->error = CURLE_FTP_BAD_FILE_LIST;
+              goto fail;
             }
           }
           break;
@@ -708,8 +698,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             }
           }
           else if(!ISALNUM(c) && c != '.' && c != ':') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -734,8 +724,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.main = PL_UNIX_FILETYPE;
             result = ftp_pl_insert_finfo(conn, infop);
             if(result) {
-              PL_ERROR(conn, result);
-              return bufflen;
+              parser->error = result;
+              goto fail;
             }
           }
           break;
@@ -746,13 +736,13 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.main = PL_UNIX_FILETYPE;
             result = ftp_pl_insert_finfo(conn, infop);
             if(result) {
-              PL_ERROR(conn, result);
-              return bufflen;
+              parser->error = result;
+              goto fail;
             }
           }
           else {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -772,8 +762,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET1;
           }
           else if(c == '\r' || c == '\n') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         case PL_UNIX_SYMLINK_PRETARGET1:
@@ -782,8 +772,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET2;
           }
           else if(c == '\r' || c == '\n') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           else {
             parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
@@ -795,8 +785,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_PRETARGET3;
           }
           else if(c == '\r' || c == '\n') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           else {
             parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
@@ -813,8 +803,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->item_offset = 0;
           }
           else if(c == '\r' || c == '\n') {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           else {
             parser->state.UNIX.sub.symlink = PL_UNIX_SYMLINK_NAME;
@@ -827,8 +817,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->item_length = 1;
           }
           else {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         case PL_UNIX_SYMLINK_TARGET:
@@ -841,8 +831,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->offsets.symlink_target = parser->item_offset;
             result = ftp_pl_insert_finfo(conn, infop);
             if(result) {
-              PL_ERROR(conn, result);
-              return bufflen;
+              parser->error = result;
+              goto fail;
             }
             parser->state.UNIX.main = PL_UNIX_FILETYPE;
           }
@@ -853,14 +843,14 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->offsets.symlink_target = parser->item_offset;
             result = ftp_pl_insert_finfo(conn, infop);
             if(result) {
-              PL_ERROR(conn, result);
-              return bufflen;
+              parser->error = result;
+              goto fail;
             }
             parser->state.UNIX.main = PL_UNIX_FILETYPE;
           }
           else {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -873,8 +863,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
         parser->item_length++;
         if(parser->item_length < 9) {
           if(!strchr("0123456789-", c)) { /* only simple control */
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
         }
         else if(parser->item_length == 9) {
@@ -883,13 +873,13 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->state.NT.sub.time = PL_WINNT_TIME_PRESPACE;
           }
           else {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
         }
         else {
-          PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-          return bufflen;
+          parser->error = CURLE_FTP_BAD_FILE_LIST;
+          goto fail;
         }
         break;
       case PL_WINNT_TIME:
@@ -909,8 +899,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->item_length = 0;
           }
           else if(!strchr("APM0123456789:", c)) {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -940,8 +930,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
               if(curlx_strtoofft(finfo->b_data +
                                  parser->item_offset,
                                  &endptr, 10, &finfo->size)) {
-                PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-                return bufflen;
+                parser->error = CURLE_FTP_BAD_FILE_LIST;
+                goto fail;
               }
               /* correct file type */
               parser->file_data->info.filetype = CURLFILETYPE_FILE;
@@ -976,8 +966,8 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->offsets.filename = parser->item_offset;
             result = ftp_pl_insert_finfo(conn, infop);
             if(result) {
-              PL_ERROR(conn, result);
-              return bufflen;
+              parser->error = result;
+              goto fail;
             }
             parser->state.NT.main = PL_WINNT_DATE;
             parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
@@ -988,15 +978,15 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
             parser->offsets.filename = parser->item_offset;
             result = ftp_pl_insert_finfo(conn, infop);
             if(result) {
-              PL_ERROR(conn, result);
-              return bufflen;
+              parser->error = result;
+              goto fail;
             }
             parser->state.NT.main = PL_WINNT_DATE;
             parser->state.NT.sub.filename = PL_WINNT_FILENAME_PRESPACE;
           }
           else {
-            PL_ERROR(conn, CURLE_FTP_BAD_FILE_LIST);
-            return bufflen;
+            parser->error = CURLE_FTP_BAD_FILE_LIST;
+            goto fail;
           }
           break;
         }
@@ -1004,13 +994,22 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
       }
       break;
     default:
-      return bufflen + 1;
+      retsize = bufflen + 1;
+      goto fail;
     }
 
     i++;
   }
 
-  return bufflen;
+fail:
+
+  /* Clean up any allocated memory. */
+  if(parser->file_data) {
+    Curl_fileinfo_dtor(NULL, parser->file_data);
+    parser->file_data = NULL;
+  }
+
+  return retsize;
 }
 
 #endif /* CURL_DISABLE_FTP */
diff --git a/Utilities/cmcurl/lib/hostasyn.c b/Utilities/cmcurl/lib/hostasyn.c
index 28bdf7a48a..7b6e8568a0 100644
--- a/Utilities/cmcurl/lib/hostasyn.c
+++ b/Utilities/cmcurl/lib/hostasyn.c
@@ -22,6 +22,11 @@
 
 #include "curl_setup.h"
 
+/***********************************************************************
+ * Only for builds using asynchronous name resolves
+ **********************************************************************/
+#ifdef CURLRES_ASYNCH
+
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
@@ -51,11 +56,6 @@
 /* The last #include file should be: */
 #include "memdebug.h"
 
-/***********************************************************************
- * Only for builds using asynchronous name resolves
- **********************************************************************/
-#ifdef CURLRES_ASYNCH
-
 /*
  * Curl_addrinfo_callback() gets called by ares, gethostbyname_thread()
  * or getaddrinfo_thread() when we got the name resolved (or not!).
diff --git a/Utilities/cmcurl/lib/hostcheck.c b/Utilities/cmcurl/lib/hostcheck.c
index 23dc3d2a7c..37bcc12c1b 100644
--- a/Utilities/cmcurl/lib/hostcheck.c
+++ b/Utilities/cmcurl/lib/hostcheck.c
@@ -31,6 +31,9 @@
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
 
 #include "hostcheck.h"
 #include "strcase.h"
diff --git a/Utilities/cmcurl/lib/hostip.c b/Utilities/cmcurl/lib/hostip.c
index 1a18a3ed79..886aeec422 100644
--- a/Utilities/cmcurl/lib/hostip.c
+++ b/Utilities/cmcurl/lib/hostip.c
@@ -25,6 +25,9 @@
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
@@ -688,8 +691,8 @@ clean_up:
      the time we spent until now! */
   if(prev_alarm) {
     /* there was an alarm() set before us, now put it back */
-    unsigned long elapsed_secs = (unsigned long) (Curl_tvdiff(Curl_tvnow(),
-                                   conn->created) / 1000);
+    timediff_t elapsed_secs = Curl_timediff(Curl_now(),
+                                            conn->created) / 1000;
 
     /* the alarm period is counted in even number of seconds */
     unsigned long alarm_set = prev_alarm - elapsed_secs;
@@ -778,7 +781,6 @@ CURLcode Curl_loadhostpairs(struct Curl_easy *data)
 {
   struct curl_slist *hostp;
   char hostname[256];
-  char address[256];
   int port;
 
   for(hostp = data->change.resolve; hostp; hostp = hostp->next) {
@@ -820,6 +822,8 @@ CURLcode Curl_loadhostpairs(struct Curl_easy *data)
       Curl_addrinfo *addr;
       char *entry_id;
       size_t entry_len;
+      char buffer[256];
+      char *address = &buffer[0];
 
       if(3 != sscanf(hostp->data, "%255[^:]:%d:%255s", hostname, &port,
                      address)) {
@@ -828,6 +832,16 @@ CURLcode Curl_loadhostpairs(struct Curl_easy *data)
         continue;
       }
 
+      /* allow IP(v6) address within [brackets] */
+      if(address[0] == '[') {
+        size_t alen = strlen(address);
+        if(address[alen-1] != ']')
+          /* it needs to also end with ] to be valid */
+          continue;
+        address[alen-1] = 0; /* zero terminate there */
+        address++; /* pass the open bracket */
+      }
+
       addr = Curl_str2addr(address, port);
       if(!addr) {
         infof(data, "Address in '%s' found illegal!\n", hostp->data);
@@ -863,9 +877,12 @@ CURLcode Curl_loadhostpairs(struct Curl_easy *data)
           dns->inuse--;
         }
       }
-      else
+      else {
         /* this is a duplicate, free it again */
+        infof(data, "RESOLVE %s:%d is already cached, %s not stored!\n",
+              hostname, port, address);
         Curl_freeaddrinfo(addr);
+      }
 
       if(data->share)
         Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
diff --git a/Utilities/cmcurl/lib/hostip4.c b/Utilities/cmcurl/lib/hostip4.c
index 6a7c6e5767..9d6f115ae6 100644
--- a/Utilities/cmcurl/lib/hostip4.c
+++ b/Utilities/cmcurl/lib/hostip4.c
@@ -22,6 +22,11 @@
 
 #include "curl_setup.h"
 
+/***********************************************************************
+ * Only for plain IPv4 builds
+ **********************************************************************/
+#ifdef CURLRES_IPV4 /* plain IPv4 code coming up */
+
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
@@ -53,10 +58,6 @@
 #include "curl_memory.h"
 #include "memdebug.h"
 
-/***********************************************************************
- * Only for plain IPv4 builds
- **********************************************************************/
-#ifdef CURLRES_IPV4 /* plain IPv4 code coming up */
 /*
  * Curl_ipvalid() checks what CURL_IPRESOLVE_* requirements that might've
  * been set and returns TRUE if they are OK.
diff --git a/Utilities/cmcurl/lib/hostip6.c b/Utilities/cmcurl/lib/hostip6.c
index edeebec9e2..7c9988f41b 100644
--- a/Utilities/cmcurl/lib/hostip6.c
+++ b/Utilities/cmcurl/lib/hostip6.c
@@ -22,6 +22,11 @@
 
 #include "curl_setup.h"
 
+/***********************************************************************
+ * Only for IPv6-enabled builds
+ **********************************************************************/
+#ifdef CURLRES_IPV6
+
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
@@ -54,11 +59,6 @@
 #include "curl_memory.h"
 #include "memdebug.h"
 
-/***********************************************************************
- * Only for IPv6-enabled builds
- **********************************************************************/
-#ifdef CURLRES_IPV6
-
 #if defined(CURLDEBUG) && defined(HAVE_GETNAMEINFO)
 /* These are strictly for memory tracing and are using the same style as the
  * family otherwise present in memdebug.c. I put these ones here since they
diff --git a/Utilities/cmcurl/lib/hostsyn.c b/Utilities/cmcurl/lib/hostsyn.c
index 1a95263c62..3de6746f52 100644
--- a/Utilities/cmcurl/lib/hostsyn.c
+++ b/Utilities/cmcurl/lib/hostsyn.c
@@ -22,6 +22,11 @@
 
 #include "curl_setup.h"
 
+/***********************************************************************
+ * Only for builds using synchronous name resolves
+ **********************************************************************/
+#ifdef CURLRES_SYNCH
+
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
@@ -51,11 +56,6 @@
 /* The last #include file should be: */
 #include "memdebug.h"
 
-/***********************************************************************
- * Only for builds using synchronous name resolves
- **********************************************************************/
-#ifdef CURLRES_SYNCH
-
 /*
  * Function provided by the resolver backend to set DNS servers to use.
  */
diff --git a/Utilities/cmcurl/lib/http.c b/Utilities/cmcurl/lib/http.c
index 38227eb6cf..a5007670d7 100644
--- a/Utilities/cmcurl/lib/http.c
+++ b/Utilities/cmcurl/lib/http.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -73,7 +73,6 @@
 #include "http_proxy.h"
 #include "warnless.h"
 #include "non-ascii.h"
-#include "conncache.h"
 #include "pipeline.h"
 #include "http2.h"
 #include "connect.h"
@@ -715,7 +714,7 @@ Curl_http_output_auth(struct connectdata *conn,
   if(!data->state.this_is_a_follow ||
      conn->bits.netrc ||
      !data->state.first_host ||
-     data->set.http_disable_hostname_check_before_authentication ||
+     data->set.allow_auth_to_other_hosts ||
      strcasecompare(data->state.first_host, conn->host.name)) {
     result = output_auth_headers(conn, authhost, request, path, FALSE);
   }
@@ -1637,6 +1636,14 @@ CURLcode Curl_add_custom_headers(struct connectdata *conn,
                   checkprefix("Transfer-Encoding:", headers->data))
             /* HTTP/2 doesn't support chunked requests */
             ;
+          else if(checkprefix("Authorization:", headers->data) &&
+                  /* be careful of sending this potentially sensitive header to
+                     other hosts */
+                  (data->state.this_is_a_follow &&
+                   data->state.first_host &&
+                   !data->set.allow_auth_to_other_hosts &&
+                   !strcasecompare(data->state.first_host, conn->host.name)))
+            ;
           else {
             CURLcode result = Curl_add_bufferf(req_buffer, "%s\r\n",
                                                headers->data);
@@ -3104,7 +3111,7 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
            !(conn->handler->protocol & CURLPROTO_RTSP) &&
            data->set.httpreq != HTTPREQ_HEAD) {
           /* On HTTP 1.1, when connection is not to get closed, but no
-             Content-Length nor Content-Encoding chunked have been
+             Content-Length nor Transfer-Encoding chunked have been
              received, according to RFC2616 section 4.4 point 5, we
              assume that the server will close the connection to
              signal the end of the document. */
@@ -3387,12 +3394,14 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
         }
       }
       else if(conn->handler->protocol & CURLPROTO_RTSP) {
+        char separator;
         nc = sscanf(HEADER1,
-                    " RTSP/%d.%d %3d",
+                    " RTSP/%1d.%1d%c%3d",
                     &rtspversion_major,
                     &conn->rtspversion,
+                    &separator,
                     &k->httpcode);
-        if(nc == 3) {
+        if((nc == 4) && (' ' == separator)) {
           conn->rtspversion += 10 * rtspversion_major;
           conn->httpversion = 11; /* For us, RTSP acts like HTTP 1.1 */
         }
@@ -3504,31 +3513,35 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
     if(!k->ignorecl && !data->set.ignorecl &&
        checkprefix("Content-Length:", k->p)) {
       curl_off_t contentlength;
-      if(!curlx_strtoofft(k->p + 15, NULL, 10, &contentlength)) {
+      CURLofft offt = curlx_strtoofft(k->p + 15, NULL, 10, &contentlength);
+
+      if(offt == CURL_OFFT_OK) {
         if(data->set.max_filesize &&
            contentlength > data->set.max_filesize) {
           failf(data, "Maximum file size exceeded");
           return CURLE_FILESIZE_EXCEEDED;
         }
-        if(contentlength >= 0) {
-          k->size = contentlength;
-          k->maxdownload = k->size;
-          /* we set the progress download size already at this point
-             just to make it easier for apps/callbacks to extract this
-             info as soon as possible */
-          Curl_pgrsSetDownloadSize(data, k->size);
-        }
-        else {
-          /* Negative Content-Length is really odd, and we know it
-             happens for example when older Apache servers send large
-             files */
-          streamclose(conn, "negative content-length");
-          infof(data, "Negative content-length: %" CURL_FORMAT_CURL_OFF_T
-                ", closing after transfer\n", contentlength);
+        k->size = contentlength;
+        k->maxdownload = k->size;
+        /* we set the progress download size already at this point
+           just to make it easier for apps/callbacks to extract this
+           info as soon as possible */
+        Curl_pgrsSetDownloadSize(data, k->size);
+      }
+      else if(offt == CURL_OFFT_FLOW) {
+        /* out of range */
+        if(data->set.max_filesize) {
+          failf(data, "Maximum file size exceeded");
+          return CURLE_FILESIZE_EXCEEDED;
         }
+        streamclose(conn, "overflow content-length");
+        infof(data, "Overflow Content-Length: value!\n");
+      }
+      else {
+        /* negative or just rubbish - bad HTTP */
+        failf(data, "Invalid Content-Length: value");
+        return CURLE_WEIRD_SERVER_REPLY;
       }
-      else
-        infof(data, "Illegal Content-Length: header\n");
     }
     /* check for Content-Type: header lines to get the MIME-type */
     else if(checkprefix("Content-Type:", k->p)) {
@@ -3612,51 +3625,9 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
        * of chunks, and a chunk-data set to zero signals the
        * end-of-chunks. */
 
-      char *start;
-
-      /* Find the first non-space letter */
-      start = k->p + 18;
-
-      for(;;) {
-        /* skip whitespaces and commas */
-        while(*start && (ISSPACE(*start) || (*start == ',')))
-          start++;
-
-        if(checkprefix("chunked", start)) {
-          k->chunk = TRUE; /* chunks coming our way */
-
-          /* init our chunky engine */
-          Curl_httpchunk_init(conn);
-
-          start += 7;
-        }
-
-        if(k->auto_decoding)
-          /* TODO: we only support the first mentioned compression for now */
-          break;
-
-        if(checkprefix("identity", start)) {
-          k->auto_decoding = IDENTITY;
-          start += 8;
-        }
-        else if(checkprefix("deflate", start)) {
-          k->auto_decoding = DEFLATE;
-          start += 7;
-        }
-        else if(checkprefix("gzip", start)) {
-          k->auto_decoding = GZIP;
-          start += 4;
-        }
-        else if(checkprefix("x-gzip", start)) {
-          k->auto_decoding = GZIP;
-          start += 6;
-        }
-        else
-          /* unknown! */
-          break;
-
-      }
-
+      result = Curl_build_unencoding_stack(conn, k->p + 18, TRUE);
+      if(result)
+        return result;
     }
     else if(checkprefix("Content-Encoding:", k->p) &&
             data->set.str[STRING_ENCODING]) {
@@ -3667,21 +3638,9 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
        * 2616). zlib cannot handle compress.  However, errors are
        * handled further down when the response body is processed
        */
-      char *start;
-
-      /* Find the first non-space letter */
-      start = k->p + 17;
-      while(*start && ISSPACE(*start))
-        start++;
-
-      /* Record the content-encoding for later use */
-      if(checkprefix("identity", start))
-        k->auto_decoding = IDENTITY;
-      else if(checkprefix("deflate", start))
-        k->auto_decoding = DEFLATE;
-      else if(checkprefix("gzip", start)
-              || checkprefix("x-gzip", start))
-        k->auto_decoding = GZIP;
+      result = Curl_build_unencoding_stack(conn, k->p + 17, FALSE);
+      if(result)
+        return result;
     }
     else if(checkprefix("Content-Range:", k->p)) {
       /* Content-Range: bytes [num]-
diff --git a/Utilities/cmcurl/lib/http2.c b/Utilities/cmcurl/lib/http2.c
index 9a2a1dd555..699287940e 100644
--- a/Utilities/cmcurl/lib/http2.c
+++ b/Utilities/cmcurl/lib/http2.c
@@ -32,7 +32,6 @@
 #include "curl_base64.h"
 #include "strcase.h"
 #include "multiif.h"
-#include "conncache.h"
 #include "url.h"
 #include "connect.h"
 #include "strtoofft.h"
@@ -926,8 +925,8 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame,
 
   if(stream->bodystarted) {
     /* This is trailer fields. */
-    /* 3 is for ":" and "\r\n". */
-    uint32_t n = (uint32_t)(namelen + valuelen + 3);
+    /* 4 is for ": " and "\r\n". */
+    uint32_t n = (uint32_t)(namelen + valuelen + 4);
 
     DEBUGF(infof(data_s, "h2 trailer: %.*s: %.*s\n", namelen, name, valuelen,
                  value));
@@ -1184,14 +1183,17 @@ CURLcode Curl_http2_request_upgrade(Curl_send_buffer *req,
                                          httpc->local_settings_num);
   if(!binlen) {
     failf(conn->data, "nghttp2 unexpectedly failed on pack_settings_payload");
+    Curl_add_buffer_free(req);
     return CURLE_FAILED_INIT;
   }
   conn->proto.httpc.binlen = binlen;
 
   result = Curl_base64url_encode(conn->data, (const char *)binsettings, binlen,
                                  &base64, &blen);
-  if(result)
+  if(result) {
+    Curl_add_buffer_free(req);
     return result;
+  }
 
   result = Curl_add_bufferf(req,
                             "Connection: Upgrade, HTTP2-Settings\r\n"
@@ -1846,9 +1848,6 @@ static ssize_t http2_send(struct connectdata *conn, int sockindex,
     goto fail;
   }
 
-  hdbuf = end + 1;
-
-  end = line_end;
   nva[2].name = (unsigned char *)":scheme";
   nva[2].namelen = strlen((char *)nva[2].name);
   if(conn->handler->flags & PROTOPT_SSL)
diff --git a/Utilities/cmcurl/lib/http_chunks.c b/Utilities/cmcurl/lib/http_chunks.c
index 92d773112b..1616429693 100644
--- a/Utilities/cmcurl/lib/http_chunks.c
+++ b/Utilities/cmcurl/lib/http_chunks.c
@@ -187,49 +187,17 @@ CHUNKcode Curl_httpchunk_read(struct connectdata *conn,
       piece = curlx_sotouz((ch->datasize >= length)?length:ch->datasize);
 
       /* Write the data portion available */
-#ifdef HAVE_LIBZ
-      switch(conn->data->set.http_ce_skip?
-             IDENTITY : data->req.auto_decoding) {
-      case IDENTITY:
-#endif
-        if(!k->ignorebody) {
-          if(!data->set.http_te_skip)
-            result = Curl_client_write(conn, CLIENTWRITE_BODY, datap,
-                                       piece);
-          else
-            result = CURLE_OK;
-        }
-#ifdef HAVE_LIBZ
-        break;
-
-      case DEFLATE:
-        /* update data->req.keep.str to point to the chunk data. */
-        data->req.str = datap;
-        result = Curl_unencode_deflate_write(conn, &data->req,
-                                             (ssize_t)piece);
-        break;
-
-      case GZIP:
-        /* update data->req.keep.str to point to the chunk data. */
-        data->req.str = datap;
-        result = Curl_unencode_gzip_write(conn, &data->req,
-                                          (ssize_t)piece);
-        break;
-
-      default:
-        failf(conn->data,
-              "Unrecognized content encoding type. "
-              "libcurl understands `identity', `deflate' and `gzip' "
-              "content encodings.");
-        return CHUNKE_BAD_ENCODING;
+      if(conn->data->set.http_ce_skip || !k->writer_stack) {
+        if(!k->ignorebody)
+          result = Curl_client_write(conn, CLIENTWRITE_BODY, datap, piece);
       }
-#endif
+      else
+        result = Curl_unencode_write(conn, k->writer_stack, datap, piece);
 
       if(result)
         return CHUNKE_WRITE_ERROR;
 
       *wrote += piece;
-
       ch->datasize -= piece; /* decrease amount left to expect */
       datap += piece;    /* move read pointer forward */
       length -= piece;   /* decrease space left in this round */
diff --git a/Utilities/cmcurl/lib/http_proxy.c b/Utilities/cmcurl/lib/http_proxy.c
index dff9d230a0..7f50405433 100644
--- a/Utilities/cmcurl/lib/http_proxy.c
+++ b/Utilities/cmcurl/lib/http_proxy.c
@@ -167,6 +167,7 @@ static CURLcode connect_init(struct connectdata *conn, bool reinit)
   s->line_start = s->connect_buffer;
   s->ptr = s->line_start;
   s->cl = 0;
+  s->close_connection = FALSE;
   return CURLE_OK;
 }
 
@@ -187,8 +188,7 @@ static CURLcode CONNECT(struct connectdata *conn,
   struct SingleRequest *k = &data->req;
   CURLcode result;
   curl_socket_t tunnelsocket = conn->sock[sockindex];
-  bool closeConnection = FALSE;
-  time_t check;
+  timediff_t check;
   struct http_connect_state *s = conn->connect_state;
 
 #define SELECT_OK      0
@@ -529,7 +529,7 @@ static CURLcode CONNECT(struct connectdata *conn,
           }
         }
         else if(Curl_compareheader(s->line_start, "Connection:", "close"))
-          closeConnection = TRUE;
+          s->close_connection = TRUE;
         else if(checkprefix("Transfer-Encoding:", s->line_start)) {
           if(k->httpcode/100 == 2) {
             /* A client MUST ignore any Content-Length or Transfer-Encoding
@@ -548,7 +548,7 @@ static CURLcode CONNECT(struct connectdata *conn,
         }
         else if(Curl_compareheader(s->line_start,
                                    "Proxy-Connection:", "close"))
-          closeConnection = TRUE;
+          s->close_connection = TRUE;
         else if(2 == sscanf(s->line_start, "HTTP/1.%d %d",
                             &subversion,
                             &k->httpcode)) {
@@ -578,10 +578,10 @@ static CURLcode CONNECT(struct connectdata *conn,
           /* the connection has been marked for closure, most likely in the
              Curl_http_auth_act() function and thus we can kill it at once
              below */
-          closeConnection = TRUE;
+          s->close_connection = TRUE;
       }
 
-      if(closeConnection && data->req.newurl) {
+      if(s->close_connection && data->req.newurl) {
         /* Connection closed by server. Don't use it anymore */
         Curl_closesocket(conn, conn->sock[sockindex]);
         conn->sock[sockindex] = CURL_SOCKET_BAD;
@@ -599,7 +599,7 @@ static CURLcode CONNECT(struct connectdata *conn,
   } while(data->req.newurl);
 
   if(data->info.httpproxycode/100 != 2) {
-    if(closeConnection && data->req.newurl) {
+    if(s->close_connection && data->req.newurl) {
       conn->bits.proxy_connect_closed = TRUE;
       infof(data, "Connect me again please\n");
       connect_done(conn);
diff --git a/Utilities/cmcurl/lib/imap.c b/Utilities/cmcurl/lib/imap.c
index 954d18f378..cf278a22ba 100644
--- a/Utilities/cmcurl/lib/imap.c
+++ b/Utilities/cmcurl/lib/imap.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -275,15 +275,15 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
       case IMAP_LIST:
         if((!imap->custom && !imap_matchresp(line, len, "LIST")) ||
           (imap->custom && !imap_matchresp(line, len, imap->custom) &&
-           (strcmp(imap->custom, "STORE") ||
+           (!strcasecompare(imap->custom, "STORE") ||
             !imap_matchresp(line, len, "FETCH")) &&
-           strcmp(imap->custom, "SELECT") &&
-           strcmp(imap->custom, "EXAMINE") &&
-           strcmp(imap->custom, "SEARCH") &&
-           strcmp(imap->custom, "EXPUNGE") &&
-           strcmp(imap->custom, "LSUB") &&
-           strcmp(imap->custom, "UID") &&
-           strcmp(imap->custom, "NOOP")))
+           !strcasecompare(imap->custom, "SELECT") &&
+           !strcasecompare(imap->custom, "EXAMINE") &&
+           !strcasecompare(imap->custom, "SEARCH") &&
+           !strcasecompare(imap->custom, "EXPUNGE") &&
+           !strcasecompare(imap->custom, "LSUB") &&
+           !strcasecompare(imap->custom, "UID") &&
+           !strcasecompare(imap->custom, "NOOP")))
           return FALSE;
         break;
 
@@ -344,23 +344,30 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
  */
 static void imap_get_message(char *buffer, char **outptr)
 {
-  size_t len = 0;
+  size_t len = strlen(buffer);
   char *message = NULL;
 
-  /* Find the start of the message */
-  for(message = buffer + 2; *message == ' ' || *message == '\t'; message++)
-    ;
-
-  /* Find the end of the message */
-  for(len = strlen(message); len--;)
-    if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
-        message[len] != '\t')
-      break;
+  if(len > 2) {
+    /* Find the start of the message */
+    len -= 2;
+    for(message = buffer + 2; *message == ' ' || *message == '\t';
+        message++, len--)
+      ;
+
+    /* Find the end of the message */
+    for(; len--;)
+      if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+         message[len] != '\t')
+        break;
 
-  /* Terminate the message */
-  if(++len) {
-    message[len] = '\0';
+    /* Terminate the message */
+    if(++len) {
+      message[len] = '\0';
+    }
   }
+  else
+    /* junk input => zero length output */
+    message = &buffer[len];
 
   *outptr = message;
 }
@@ -1053,7 +1060,7 @@ static CURLcode imap_state_select_resp(struct connectdata *conn, int imapcode,
   else if(imapcode == IMAP_RESP_OK) {
     /* Check if the UIDVALIDITY has been specified and matches */
     if(imap->uidvalidity && imapc->mailbox_uidvalidity &&
-       strcmp(imap->uidvalidity, imapc->mailbox_uidvalidity)) {
+       !strcasecompare(imap->uidvalidity, imapc->mailbox_uidvalidity)) {
       failf(conn->data, "Mailbox UIDVALIDITY has changed");
       result = CURLE_REMOTE_FILE_NOT_FOUND;
     }
@@ -1126,6 +1133,11 @@ static CURLcode imap_state_fetch_resp(struct connectdata *conn, int imapcode,
         /* The conversion from curl_off_t to size_t is always fine here */
         chunk = (size_t)size;
 
+      if(!chunk) {
+        /* no size, we're done with the data */
+        state(conn, IMAP_STOP);
+        return CURLE_OK;
+      }
       result = Curl_client_write(conn, CLIENTWRITE_BODY, pp->cache, chunk);
       if(result)
         return result;
@@ -1521,9 +1533,9 @@ static CURLcode imap_perform(struct connectdata *conn, bool *connected,
   /* Determine if the requested mailbox (with the same UIDVALIDITY if set)
      has already been selected on this connection */
   if(imap->mailbox && imapc->mailbox &&
-     !strcmp(imap->mailbox, imapc->mailbox) &&
+     strcasecompare(imap->mailbox, imapc->mailbox) &&
      (!imap->uidvalidity || !imapc->mailbox_uidvalidity ||
-      !strcmp(imap->uidvalidity, imapc->mailbox_uidvalidity)))
+      strcasecompare(imap->uidvalidity, imapc->mailbox_uidvalidity)))
     selected = TRUE;
 
   /* Start the first command in the DO phase */
diff --git a/Utilities/cmcurl/lib/krb5.c b/Utilities/cmcurl/lib/krb5.c
index af25e92043..70507df2dd 100644
--- a/Utilities/cmcurl/lib/krb5.c
+++ b/Utilities/cmcurl/lib/krb5.c
@@ -2,7 +2,7 @@
  *
  * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
- * Copyright (c) 2004 - 2016 Daniel Stenberg
+ * Copyright (c) 2004 - 2017 Daniel Stenberg
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -282,6 +282,7 @@ krb5_auth(void *app_data, struct connectdata *conn)
           break;
         }
 
+        _gssresp.value = NULL; /* make sure it is initialized */
         p = data->state.buffer + 4;
         p = strstr(p, "ADAT=");
         if(p) {
diff --git a/Utilities/cmcurl/lib/ldap.c b/Utilities/cmcurl/lib/ldap.c
index 040641cf8e..89047bcbda 100644
--- a/Utilities/cmcurl/lib/ldap.c
+++ b/Utilities/cmcurl/lib/ldap.c
@@ -190,9 +190,11 @@ static int ldap_win_bind_auth(LDAP *server, const char *user,
                               const char *passwd, unsigned long authflags)
 {
   ULONG method = 0;
-  SEC_WINNT_AUTH_IDENTITY cred = { 0, };
+  SEC_WINNT_AUTH_IDENTITY cred;
   int rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
 
+  memset(&cred, 0, sizeof(cred));
+
 #if defined(USE_SPNEGO)
   if(authflags & CURLAUTH_NEGOTIATE) {
     method = LDAP_AUTH_NEGOTIATE;
diff --git a/Utilities/cmcurl/lib/llist.c b/Utilities/cmcurl/lib/llist.c
index 4bb0a51b86..f8769c2af8 100644
--- a/Utilities/cmcurl/lib/llist.c
+++ b/Utilities/cmcurl/lib/llist.c
@@ -106,7 +106,11 @@ Curl_llist_remove(struct curl_llist *list, struct curl_llist_element *e,
       e->next->prev = NULL;
   }
   else {
-    e->prev->next = e->next;
+    if(!e->prev)
+      list->head = e->next;
+    else
+      e->prev->next = e->next;
+
     if(!e->next)
       list->tail = e->prev;
     else
diff --git a/Utilities/cmcurl/lib/memdebug.c b/Utilities/cmcurl/lib/memdebug.c
index 0eb249ce9d..2b81c26a6f 100644
--- a/Utilities/cmcurl/lib/memdebug.c
+++ b/Utilities/cmcurl/lib/memdebug.c
@@ -343,7 +343,12 @@ curl_socket_t curl_socket(int domain, int type, int protocol,
     "FD %s:%d socket() = %ld\n" :
     "FD %s:%d socket() = %zd\n";
 
-  curl_socket_t sockfd = socket(domain, type, protocol);
+  curl_socket_t sockfd;
+
+  if(countcheck("socket", line, source))
+    return CURL_SOCKET_BAD;
+
+  sockfd = socket(domain, type, protocol);
 
   if(source && (sockfd != CURL_SOCKET_BAD))
     curl_memlog(fmt, source, line, sockfd);
@@ -351,6 +356,35 @@ curl_socket_t curl_socket(int domain, int type, int protocol,
   return sockfd;
 }
 
+SEND_TYPE_RETV curl_dosend(SEND_TYPE_ARG1 sockfd,
+                           SEND_QUAL_ARG2 SEND_TYPE_ARG2 buf,
+                           SEND_TYPE_ARG3 len, SEND_TYPE_ARG4 flags, int line,
+                           const char *source)
+{
+  SEND_TYPE_RETV rc;
+  if(countcheck("send", line, source))
+    return -1;
+  rc = send(sockfd, buf, len, flags);
+  if(source)
+    curl_memlog("SEND %s:%d send(%lu) = %ld\n",
+                source, line, (unsigned long)len, (long)rc);
+  return rc;
+}
+
+RECV_TYPE_RETV curl_dorecv(RECV_TYPE_ARG1 sockfd, RECV_TYPE_ARG2 buf,
+                           RECV_TYPE_ARG3 len, RECV_TYPE_ARG4 flags, int line,
+                           const char *source)
+{
+  RECV_TYPE_RETV rc;
+  if(countcheck("recv", line, source))
+    return -1;
+  rc = recv(sockfd, buf, len, flags);
+  if(source)
+    curl_memlog("RECV %s:%d recv(%lu) = %ld\n",
+                source, line, (unsigned long)len, (long)rc);
+  return rc;
+}
+
 #ifdef HAVE_SOCKETPAIR
 int curl_socketpair(int domain, int type, int protocol,
                     curl_socket_t socket_vector[2],
diff --git a/Utilities/cmcurl/lib/memdebug.h b/Utilities/cmcurl/lib/memdebug.h
index 835dab38c7..6fb8b68511 100644
--- a/Utilities/cmcurl/lib/memdebug.h
+++ b/Utilities/cmcurl/lib/memdebug.h
@@ -8,7 +8,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -66,6 +66,17 @@ CURL_EXTERN int curl_socketpair(int domain, int type, int protocol,
                                 int line, const char *source);
 #endif
 
+/* send/receive sockets */
+CURL_EXTERN SEND_TYPE_RETV curl_dosend(SEND_TYPE_ARG1 sockfd,
+                                       SEND_QUAL_ARG2 SEND_TYPE_ARG2 buf,
+                                       SEND_TYPE_ARG3 len,
+                                       SEND_TYPE_ARG4 flags, int line,
+                                       const char *source);
+CURL_EXTERN RECV_TYPE_RETV curl_dorecv(RECV_TYPE_ARG1 sockfd,
+                                       RECV_TYPE_ARG2 buf, RECV_TYPE_ARG3 len,
+                                       RECV_TYPE_ARG4 flags, int line,
+                                       const char *source);
+
 /* FILE functions */
 CURL_EXTERN FILE *curl_fopen(const char *file, const char *mode, int line,
                              const char *source);
@@ -84,6 +95,8 @@ CURL_EXTERN int curl_fclose(FILE *file, int line, const char *source);
 #define calloc(nbelem,size) curl_docalloc(nbelem, size, __LINE__, __FILE__)
 #define realloc(ptr,size) curl_dorealloc(ptr, size, __LINE__, __FILE__)
 #define free(ptr) curl_dofree(ptr, __LINE__, __FILE__)
+#define send(a,b,c,d) curl_dosend(a,b,c,d, __LINE__, __FILE__)
+#define recv(a,b,c,d) curl_dorecv(a,b,c,d, __LINE__, __FILE__)
 
 #ifdef WIN32
 #  ifdef UNICODE
diff --git a/Utilities/cmcurl/lib/mime.c b/Utilities/cmcurl/lib/mime.c
index 496f5e6fb2..e0853a9ed0 100644
--- a/Utilities/cmcurl/lib/mime.c
+++ b/Utilities/cmcurl/lib/mime.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -26,6 +26,8 @@
 
 #include "mime.h"
 #include "non-ascii.h"
+#include "urldata.h"
+#include "sendf.h"
 
 #if !defined(CURL_DISABLE_HTTP) || !defined(CURL_DISABLE_SMTP) || \
     !defined(CURL_DISABLE_IMAP)
@@ -404,7 +406,7 @@ static size_t encoder_base64_read(char *buffer, size_t size, bool ateof,
 
   while(st->bufbeg < st->bufend) {
     /* Line full ? */
-    if(st->pos >= MAX_ENCODED_LINE_LENGTH - 4) {
+    if(st->pos > MAX_ENCODED_LINE_LENGTH - 4) {
       /* Yes, we need 2 characters for CRLF. */
       if(size < 2)
         break;
@@ -419,7 +421,7 @@ static size_t encoder_base64_read(char *buffer, size_t size, bool ateof,
     if(size < 4 || st->bufend - st->bufbeg < 3)
       break;
 
-    /* Encode three bytes a four characters. */
+    /* Encode three bytes as four characters. */
     i = st->buf[st->bufbeg++] & 0xFF;
     i = (i << 8) | (st->buf[st->bufbeg++] & 0xFF);
     i = (i << 8) | (st->buf[st->bufbeg++] & 0xFF);
@@ -618,14 +620,13 @@ static size_t mime_mem_read(char *buffer, size_t size, size_t nitems,
 {
   curl_mimepart *part = (curl_mimepart *) instream;
   size_t sz = (size_t) part->datasize - part->state.offset;
-
   (void) size;   /* Always 1.*/
 
   if(sz > nitems)
     sz = nitems;
 
   if(sz)
-    memcpy(buffer, (char *) part->data, sz);
+    memcpy(buffer, (char *) &part->data[part->state.offset], sz);
 
   part->state.offset += sz;
   return sz;
@@ -718,8 +719,6 @@ static size_t readback_bytes(mime_state *state,
 {
   size_t sz;
 
-  sz = numbytes - state->offset;
-
   if(numbytes > state->offset) {
     sz = numbytes - state->offset;
     bytes += state->offset;
@@ -1069,13 +1068,6 @@ static int mime_subparts_seek(void *instream, curl_off_t offset, int whence)
   return result;
 }
 
-static void mime_subparts_free(void *ptr)
-{
-  curl_mime *mime = (curl_mime *) ptr;
-  curl_mime_free(mime);
-}
-
-
 /* Release part content. */
 static void cleanup_part_content(curl_mimepart *part)
 {
@@ -1089,11 +1081,34 @@ static void cleanup_part_content(curl_mimepart *part)
   part->data = NULL;
   part->fp = NULL;
   part->datasize = (curl_off_t) 0;    /* No size yet. */
-  part->encoder = NULL;
   cleanup_encoder_state(&part->encstate);
   part->kind = MIMEKIND_NONE;
 }
 
+static void mime_subparts_free(void *ptr)
+{
+  curl_mime *mime = (curl_mime *) ptr;
+
+  if(mime && mime->parent) {
+    mime->parent->freefunc = NULL;  /* Be sure we won't be called again. */
+    cleanup_part_content(mime->parent);  /* Avoid dangling pointer in part. */
+  }
+  curl_mime_free(mime);
+}
+
+/* Do not free subparts: unbind them. This is used for the top level only. */
+static void mime_subparts_unbind(void *ptr)
+{
+  curl_mime *mime = (curl_mime *) ptr;
+
+  if(mime && mime->parent) {
+    mime->parent->freefunc = NULL;  /* Be sure we won't be called again. */
+    cleanup_part_content(mime->parent);  /* Avoid dangling pointer in part. */
+    mime->parent = NULL;
+  }
+}
+
+
 void Curl_mime_cleanpart(curl_mimepart *part)
 {
   cleanup_part_content(part);
@@ -1112,6 +1127,7 @@ void curl_mime_free(curl_mime *mime)
   curl_mimepart *part;
 
   if(mime) {
+    mime_subparts_unbind(mime);  /* Be sure it's not referenced anymore. */
     while(mime->firstpart) {
       part = mime->firstpart;
       mime->firstpart = part->nextpart;
@@ -1124,6 +1140,78 @@ void curl_mime_free(curl_mime *mime)
   }
 }
 
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
+{
+  curl_mime *mime;
+  curl_mimepart *d;
+  const curl_mimepart *s;
+  CURLcode res = CURLE_OK;
+
+  /* Duplicate content. */
+  switch(src->kind) {
+  case MIMEKIND_NONE:
+    break;
+  case MIMEKIND_DATA:
+    res = curl_mime_data(dst, src->data, (size_t) src->datasize);
+    break;
+  case MIMEKIND_FILE:
+    res = curl_mime_filedata(dst, src->data);
+    /* Do not abort duplication if file is not readable. */
+    if(res == CURLE_READ_ERROR)
+      res = CURLE_OK;
+    break;
+  case MIMEKIND_CALLBACK:
+    res = curl_mime_data_cb(dst, src->datasize, src->readfunc,
+                            src->seekfunc, src->freefunc, src->arg);
+    break;
+  case MIMEKIND_MULTIPART:
+    /* No one knows about the cloned subparts, thus always attach ownership
+       to the part. */
+    mime = curl_mime_init(dst->easy);
+    res = mime? curl_mime_subparts(dst, mime): CURLE_OUT_OF_MEMORY;
+
+    /* Duplicate subparts. */
+    for(s = ((curl_mime *) src->arg)->firstpart; !res && s; s = s->nextpart) {
+      d = curl_mime_addpart(mime);
+      res = d? Curl_mime_duppart(d, s): CURLE_OUT_OF_MEMORY;
+    }
+    break;
+  default:  /* Invalid kind: should not occur. */
+    res = CURLE_BAD_FUNCTION_ARGUMENT;  /* Internal error? */
+    break;
+  }
+
+  /* Duplicate headers. */
+  if(!res && src->userheaders) {
+    struct curl_slist *hdrs = Curl_slist_duplicate(src->userheaders);
+
+    if(!hdrs)
+      res = CURLE_OUT_OF_MEMORY;
+    else {
+      /* No one but this procedure knows about the new header list,
+         so always take ownership. */
+      res = curl_mime_headers(dst, hdrs, TRUE);
+      if(res)
+        curl_slist_free_all(hdrs);
+    }
+  }
+
+  /* Duplicate other fields. */
+  dst->encoder = src->encoder;
+  if(!res)
+    res = curl_mime_type(dst, src->mimetype);
+  if(!res)
+    res = curl_mime_name(dst, src->name);
+  if(!res)
+    res = curl_mime_filename(dst, src->filename);
+
+  /* If an error occurred, rollback. */
+  if(res)
+    Curl_mime_cleanpart(dst);
+
+  return res;
+}
+
 /*
  * Mime build functions.
  */
@@ -1356,7 +1444,8 @@ CURLcode curl_mime_headers(curl_mimepart *part,
     return CURLE_BAD_FUNCTION_ARGUMENT;
 
   if(part->flags & MIME_USERHEADERS_OWNER) {
-    curl_slist_free_all(part->userheaders);
+    if(part->userheaders != headers)  /* Allow setting twice the same list. */
+      curl_slist_free_all(part->userheaders);
     part->flags &= ~MIME_USERHEADERS_OWNER;
   }
   part->userheaders = headers;
@@ -1389,9 +1478,11 @@ CURLcode curl_mime_data_cb(curl_mimepart *part, curl_off_t datasize,
 }
 
 /* Set mime part content from subparts. */
-CURLcode curl_mime_subparts(curl_mimepart *part,
-                            curl_mime *subparts)
+CURLcode Curl_mime_set_subparts(curl_mimepart *part,
+                                curl_mime *subparts, int take_ownership)
 {
+  curl_mime *root;
+
   if(!part)
     return CURLE_BAD_FUNCTION_ARGUMENT;
 
@@ -1410,10 +1501,22 @@ CURLcode curl_mime_subparts(curl_mimepart *part,
     if(subparts->parent)
       return CURLE_BAD_FUNCTION_ARGUMENT;
 
+    /* Should not be the part's root. */
+    root = part->parent;
+    if(root) {
+      while(root->parent && root->parent->parent)
+        root = root->parent->parent;
+      if(subparts == root) {
+        if(part->easy)
+          failf(part->easy, "Can't add itself as a subpart!");
+        return CURLE_BAD_FUNCTION_ARGUMENT;
+      }
+    }
+
     subparts->parent = part;
     part->readfunc = mime_subparts_read;
     part->seekfunc = mime_subparts_seek;
-    part->freefunc = mime_subparts_free;
+    part->freefunc = take_ownership? mime_subparts_free: mime_subparts_unbind;
     part->arg = subparts;
     part->datasize = -1;
     part->kind = MIMEKIND_MULTIPART;
@@ -1422,6 +1525,11 @@ CURLcode curl_mime_subparts(curl_mimepart *part,
   return CURLE_OK;
 }
 
+CURLcode curl_mime_subparts(curl_mimepart *part, curl_mime *subparts)
+{
+  return Curl_mime_set_subparts(part, subparts, TRUE);
+}
+
 
 /* Readback from top mime. */
 /* Argument is the dummy top part. */
@@ -1485,7 +1593,7 @@ curl_off_t Curl_mime_size(curl_mimepart *part)
 {
   curl_off_t size;
 
-  if(part->datasize < 0 && part->kind == MIMEKIND_MULTIPART)
+  if(part->kind == MIMEKIND_MULTIPART)
     part->datasize = multipart_size(part->arg);
 
   size = part->datasize;
@@ -1581,7 +1689,7 @@ CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
 {
   curl_mime *mime = NULL;
   const char *boundary = NULL;
-  char *s;
+  char *customct;
   const char *cte = NULL;
   CURLcode ret = CURLE_OK;
 
@@ -1593,12 +1701,14 @@ CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
   if(part->state.state == MIMESTATE_CURLHEADERS)
     mimesetstate(&part->state, MIMESTATE_CURLHEADERS, NULL);
 
-  /* Build the content-type header. */
-  s = search_header(part->userheaders, "Content-Type");
-  if(s)
-    contenttype = s;
-  if(part->mimetype)
-    contenttype = part->mimetype;
+  /* Check if content type is specified. */
+  customct = part->mimetype;
+  if(!customct)
+    customct = search_header(part->userheaders, "Content-Type");
+  if(customct)
+    contenttype = customct;
+
+  /* If content type is not specified, try to determine it. */
   if(!contenttype) {
     switch(part->kind) {
     case MIMEKIND_MULTIPART:
@@ -1622,7 +1732,8 @@ CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
     if(mime)
       boundary = mime->boundary;
   }
-  else if(contenttype && strcasecompare(contenttype, "text/plain"))
+  else if(contenttype && !customct &&
+          strcasecompare(contenttype, "text/plain"))
     if(strategy == MIMESTRATEGY_MAIL || !part->filename)
       contenttype = NULL;
 
@@ -1816,6 +1927,22 @@ void Curl_mime_cleanpart(curl_mimepart *part)
   (void) part;
 }
 
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
+{
+  (void) dst;
+  (void) src;
+  return CURLE_OK;    /* Nothing to duplicate: always succeed. */
+}
+
+CURLcode Curl_mime_set_subparts(curl_mimepart *part,
+                                curl_mime *subparts, int take_ownership)
+{
+  (void) part;
+  (void) subparts;
+  (void) take_ownership;
+  return CURLE_NOT_BUILT_IN;
+}
+
 CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
                                    const char *contenttype,
                                    const char *disposition,
diff --git a/Utilities/cmcurl/lib/mime.h b/Utilities/cmcurl/lib/mime.h
index a144857076..920a8a77a9 100644
--- a/Utilities/cmcurl/lib/mime.h
+++ b/Utilities/cmcurl/lib/mime.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -122,6 +122,9 @@ struct curl_mimepart_s {
 /* Prototypes. */
 void Curl_mime_initpart(curl_mimepart *part, struct Curl_easy *easy);
 void Curl_mime_cleanpart(curl_mimepart *part);
+CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src);
+CURLcode Curl_mime_set_subparts(curl_mimepart *part,
+                                curl_mime *subparts, int take_ownership);
 CURLcode Curl_mime_prepare_headers(curl_mimepart *part,
                                    const char *contenttype,
                                    const char *disposition,
diff --git a/Utilities/cmcurl/lib/multi.c b/Utilities/cmcurl/lib/multi.c
index 70aa6bcf98..43823cc931 100644
--- a/Utilities/cmcurl/lib/multi.c
+++ b/Utilities/cmcurl/lib/multi.c
@@ -59,7 +59,9 @@
 #define CURL_SOCKET_HASH_TABLE_SIZE 911
 #endif
 
+#ifndef CURL_CONNECTION_HASH_SIZE
 #define CURL_CONNECTION_HASH_SIZE 97
+#endif
 
 #define CURL_MULTI_HANDLE 0x000bab1e
 
@@ -324,14 +326,6 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
   Curl_llist_init(&multi->msglist, multi_freeamsg);
   Curl_llist_init(&multi->pending, multi_freeamsg);
 
-  /* allocate a new easy handle to use when closing cached connections */
-  multi->closure_handle = curl_easy_init();
-  if(!multi->closure_handle)
-    goto error;
-
-  multi->closure_handle->multi = multi;
-  multi->closure_handle->state.conn_cache = &multi->conn_cache;
-
   multi->max_pipeline_length = 5;
 
   /* -1 means it not set by user, use the default value */
@@ -343,8 +337,6 @@ struct Curl_multi *Curl_multi_handle(int hashsize, /* socket hash */
   Curl_hash_destroy(&multi->sockhash);
   Curl_hash_destroy(&multi->hostcache);
   Curl_conncache_destroy(&multi->conn_cache);
-  Curl_close(multi->closure_handle);
-  multi->closure_handle = NULL;
   Curl_llist_destroy(&multi->msglist, NULL);
   Curl_llist_destroy(&multi->pending, NULL);
 
@@ -405,8 +397,11 @@ CURLMcode curl_multi_add_handle(struct Curl_multi *multi,
     data->dns.hostcachetype = HCACHE_MULTI;
   }
 
-  /* Point to the multi's connection cache */
-  data->state.conn_cache = &multi->conn_cache;
+  /* Point to the shared or multi handle connection cache */
+  if(data->share && (data->share->specifier & (1<< CURL_LOCK_DATA_CONNECT)))
+    data->state.conn_cache = &data->share->conn_cache;
+  else
+    data->state.conn_cache = &multi->conn_cache;
 
   /* This adds the new entry at the 'end' of the doubly-linked circular
      list of Curl_easy structs to try and maintain a FIFO queue so
@@ -460,8 +455,8 @@ CURLMcode curl_multi_add_handle(struct Curl_multi *multi,
      state somewhat we clone the timeouts from each added handle so that the
      closure handle always has the same timeouts as the most recently added
      easy handle. */
-  multi->closure_handle->set.timeout = data->set.timeout;
-  multi->closure_handle->set.server_response_timeout =
+  data->state.conn_cache->closure_handle->set.timeout = data->set.timeout;
+  data->state.conn_cache->closure_handle->set.server_response_timeout =
     data->set.server_response_timeout;
 
   update_timer(multi);
@@ -484,38 +479,6 @@ static void debug_print_sock_hash(void *p)
 }
 #endif
 
-/* Mark the connection as 'idle', or close it if the cache is full.
-   Returns TRUE if the connection is kept, or FALSE if it was closed. */
-static bool
-ConnectionDone(struct Curl_easy *data, struct connectdata *conn)
-{
-  /* data->multi->maxconnects can be negative, deal with it. */
-  size_t maxconnects =
-    (data->multi->maxconnects < 0) ? data->multi->num_easy * 4:
-    data->multi->maxconnects;
-  struct connectdata *conn_candidate = NULL;
-
-  /* Mark the current connection as 'unused' */
-  conn->inuse = FALSE;
-
-  if(maxconnects > 0 &&
-     data->state.conn_cache->num_connections > maxconnects) {
-    infof(data, "Connection cache is full, closing the oldest one.\n");
-
-    conn_candidate = Curl_oldest_idle_connection(data);
-
-    if(conn_candidate) {
-      /* Set the connection's owner correctly */
-      conn_candidate->data = data;
-
-      /* the winner gets the honour of being disconnected */
-      (void)Curl_disconnect(conn_candidate, /* dead_connection */ FALSE);
-    }
-  }
-
-  return (conn_candidate == conn) ? FALSE : TRUE;
-}
-
 static CURLcode multi_done(struct connectdata **connp,
                           CURLcode status,  /* an error if this is called
                                                after an error was detected */
@@ -589,6 +552,7 @@ static CURLcode multi_done(struct connectdata **connp,
     Curl_resolv_unlock(data, conn->dns_entry); /* done with this */
     conn->dns_entry = NULL;
   }
+  Curl_hostcache_prune(data);
 
   /* if the transfer was completed in a paused state there can be buffered
      data left to free */
@@ -617,7 +581,8 @@ static CURLcode multi_done(struct connectdata **connp,
       && !(conn->ntlm.state == NTLMSTATE_TYPE2 ||
            conn->proxyntlm.state == NTLMSTATE_TYPE2)
 #endif
-     ) || conn->bits.close || premature) {
+     ) || conn->bits.close
+       || (premature && !(conn->handler->flags & PROTOPT_STREAM))) {
     CURLcode res2 = Curl_disconnect(conn, premature); /* close connection */
 
     /* If we had an error already, make sure we return that one. But
@@ -626,17 +591,21 @@ static CURLcode multi_done(struct connectdata **connp,
       result = res2;
   }
   else {
+    char buffer[256];
+    /* create string before returning the connection */
+    snprintf(buffer, sizeof(buffer),
+             "Connection #%ld to host %s left intact",
+             conn->connection_id,
+             conn->bits.socksproxy ? conn->socks_proxy.host.dispname :
+             conn->bits.httpproxy ? conn->http_proxy.host.dispname :
+             conn->bits.conn_to_host ? conn->conn_to_host.dispname :
+             conn->host.dispname);
+
     /* the connection is no longer in use */
-    if(ConnectionDone(data, conn)) {
+    if(Curl_conncache_return_conn(conn)) {
       /* remember the most recently used connection */
       data->state.lastconnect = conn;
-
-      infof(data, "Connection #%ld to host %s left intact\n",
-            conn->connection_id,
-            conn->bits.socksproxy ? conn->socks_proxy.host.dispname :
-            conn->bits.httpproxy ? conn->http_proxy.host.dispname :
-            conn->bits.conn_to_host ? conn->conn_to_host.dispname :
-            conn->host.dispname);
+      infof(data, "%s\n", buffer);
     }
     else
       data->state.lastconnect = NULL;
@@ -705,12 +674,6 @@ CURLMcode curl_multi_remove_handle(struct Curl_multi *multi,
      curl_easy_cleanup is called. */
   Curl_expire_clear(data);
 
-  if(data->dns.hostcachetype == HCACHE_MULTI) {
-    /* stop using the multi handle's DNS cache */
-    data->dns.hostcache = NULL;
-    data->dns.hostcachetype = HCACHE_NONE;
-  }
-
   if(data->easy_conn) {
 
     /* we must call multi_done() here (if we still own the connection) so that
@@ -729,6 +692,13 @@ CURLMcode curl_multi_remove_handle(struct Curl_multi *multi,
       Curl_getoff_all_pipelines(data, data->easy_conn);
   }
 
+  if(data->dns.hostcachetype == HCACHE_MULTI) {
+    /* stop using the multi handle's DNS cache, *after* the possible
+       multi_done() call above */
+    data->dns.hostcache = NULL;
+    data->dns.hostcachetype = HCACHE_NONE;
+  }
+
   Curl_wildcard_dtor(&data->wildcard);
 
   /* destroy the timeout list that is held in the easy handle, do this *after*
@@ -1315,7 +1285,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
   struct SingleRequest *k;
   time_t timeout_ms;
   time_t recv_timeout_ms;
-  time_t send_timeout_ms;
+  timediff_t send_timeout_ms;
   int control;
 
   if(!GOOD_EASY_HANDLE(data))
@@ -1361,16 +1331,16 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
     }
 
     if(data->easy_conn && data->mstate > CURLM_STATE_CONNECT &&
-       data->mstate < CURLM_STATE_COMPLETED)
+       data->mstate < CURLM_STATE_COMPLETED) {
       /* Make sure we set the connection's current owner */
       data->easy_conn->data = data;
+    }
 
     if(data->easy_conn &&
        (data->mstate >= CURLM_STATE_CONNECT) &&
        (data->mstate < CURLM_STATE_COMPLETED)) {
       /* we need to wait for the connect state as only then is the start time
          stored, but we must not check already completed handles */
-
       timeout_ms = Curl_timeleft(data, &now,
                                  (data->mstate <= CURLM_STATE_WAITDO)?
                                  TRUE:FALSE);
@@ -1379,23 +1349,23 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
         /* Handle timed out */
         if(data->mstate == CURLM_STATE_WAITRESOLVE)
           failf(data, "Resolving timed out after %ld milliseconds",
-                Curl_tvdiff(now, data->progress.t_startsingle));
+                Curl_timediff(now, data->progress.t_startsingle));
         else if(data->mstate == CURLM_STATE_WAITCONNECT)
           failf(data, "Connection timed out after %ld milliseconds",
-                Curl_tvdiff(now, data->progress.t_startsingle));
+                Curl_timediff(now, data->progress.t_startsingle));
         else {
           k = &data->req;
           if(k->size != -1) {
             failf(data, "Operation timed out after %ld milliseconds with %"
                   CURL_FORMAT_CURL_OFF_T " out of %"
                   CURL_FORMAT_CURL_OFF_T " bytes received",
-                  Curl_tvdiff(now, data->progress.t_startsingle),
+                  Curl_timediff(now, data->progress.t_startsingle),
                   k->bytecount, k->size);
           }
           else {
             failf(data, "Operation timed out after %ld milliseconds with %"
                   CURL_FORMAT_CURL_OFF_T " bytes received",
-                  Curl_tvdiff(now, data->progress.t_startsingle),
+                  Curl_timediff(now, data->progress.t_startsingle),
                   k->bytecount);
           }
         }
@@ -1660,7 +1630,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
         if(!result) {
           if(!dophase_done) {
             /* some steps needed for wildcard matching */
-            if(data->set.wildcardmatch) {
+            if(data->state.wildcardmatch) {
               struct WildcardData *wc = &data->wildcard;
               if(wc->state == CURLWC_DONE || wc->state == CURLWC_SKIP) {
                 /* skip some states if it is important */
@@ -1812,7 +1782,13 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
          (data->easy_conn->writesockfd != CURL_SOCKET_BAD))
         multistate(data, CURLM_STATE_WAITPERFORM);
       else
+      {
+        if(data->state.wildcardmatch &&
+           ((data->easy_conn->handler->flags & PROTOPT_WILDCARD) == 0)) {
+           data->wildcard.state = CURLWC_DONE;
+        }
         multistate(data, CURLM_STATE_DONE);
+      }
       rc = CURLM_CALL_MULTI_PERFORM;
       break;
 
@@ -2029,7 +2005,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
           data->easy_conn = NULL;
       }
 
-      if(data->set.wildcardmatch) {
+      if(data->state.wildcardmatch) {
         if(data->wildcard.state != CURLWC_DONE) {
           /* if a wildcard is set and we are not ending -> lets start again
              with CURLM_STATE_INIT */
@@ -2146,7 +2122,7 @@ CURLMcode curl_multi_perform(struct Curl_multi *multi, int *running_handles)
   struct Curl_easy *data;
   CURLMcode returncode = CURLM_OK;
   struct Curl_tree *t;
-  struct curltime now = Curl_tvnow();
+  struct curltime now = Curl_now();
 
   if(!GOOD_MULTI_HANDLE(multi))
     return CURLM_BAD_HANDLE;
@@ -2192,61 +2168,21 @@ CURLMcode curl_multi_perform(struct Curl_multi *multi, int *running_handles)
   return returncode;
 }
 
-static void close_all_connections(struct Curl_multi *multi)
-{
-  struct connectdata *conn;
-
-  conn = Curl_conncache_find_first_connection(&multi->conn_cache);
-  while(conn) {
-    SIGPIPE_VARIABLE(pipe_st);
-    conn->data = multi->closure_handle;
-
-    sigpipe_ignore(conn->data, &pipe_st);
-    conn->data->easy_conn = NULL; /* clear the easy handle's connection
-                                     pointer */
-    /* This will remove the connection from the cache */
-    connclose(conn, "kill all");
-    (void)Curl_disconnect(conn, FALSE);
-    sigpipe_restore(&pipe_st);
-
-    conn = Curl_conncache_find_first_connection(&multi->conn_cache);
-  }
-}
-
 CURLMcode curl_multi_cleanup(struct Curl_multi *multi)
 {
   struct Curl_easy *data;
   struct Curl_easy *nextdata;
 
   if(GOOD_MULTI_HANDLE(multi)) {
-    bool restore_pipe = FALSE;
-    SIGPIPE_VARIABLE(pipe_st);
-
     multi->type = 0; /* not good anymore */
 
-    /* Close all the connections in the connection cache */
-    close_all_connections(multi);
-
-    if(multi->closure_handle) {
-      sigpipe_ignore(multi->closure_handle, &pipe_st);
-      restore_pipe = TRUE;
-
-      multi->closure_handle->dns.hostcache = &multi->hostcache;
-      Curl_hostcache_clean(multi->closure_handle,
-                           multi->closure_handle->dns.hostcache);
-
-      Curl_close(multi->closure_handle);
-    }
-
-    Curl_hash_destroy(&multi->sockhash);
-    Curl_conncache_destroy(&multi->conn_cache);
-    Curl_llist_destroy(&multi->msglist, NULL);
-    Curl_llist_destroy(&multi->pending, NULL);
-
-    /* remove all easy handles */
+    /* Firsrt remove all remaining easy handles */
     data = multi->easyp;
     while(data) {
       nextdata = data->next;
+      if(!data->state.done && data->easy_conn)
+        /* if DONE was never called for this handle */
+        (void)multi_done(&data->easy_conn, CURLE_OK, TRUE);
       if(data->dns.hostcachetype == HCACHE_MULTI) {
         /* clear out the usage of the shared DNS cache */
         Curl_hostcache_clean(data, data->dns.hostcache);
@@ -2261,6 +2197,14 @@ CURLMcode curl_multi_cleanup(struct Curl_multi *multi)
       data = nextdata;
     }
 
+    /* Close all the connections in the connection cache */
+    Curl_conncache_close_all_connections(&multi->conn_cache);
+
+    Curl_hash_destroy(&multi->sockhash);
+    Curl_conncache_destroy(&multi->conn_cache);
+    Curl_llist_destroy(&multi->msglist, NULL);
+    Curl_llist_destroy(&multi->pending, NULL);
+
     Curl_hash_destroy(&multi->hostcache);
 
     /* Free the blacklists by setting them to NULL */
@@ -2268,8 +2212,6 @@ CURLMcode curl_multi_cleanup(struct Curl_multi *multi)
     Curl_pipeline_set_server_blacklist(NULL, &multi->pipelining_server_bl);
 
     free(multi);
-    if(restore_pipe)
-      sigpipe_restore(&pipe_st);
 
     return CURLM_OK;
   }
@@ -2510,9 +2452,9 @@ static CURLMcode add_next_timeout(struct curltime now,
      timeout in *tv */
   for(e = list->head; e;) {
     struct curl_llist_element *n = e->next;
-    time_t diff;
+    timediff_t diff;
     node = (struct time_node *)e->ptr;
-    diff = curlx_tvdiff(node->time, now);
+    diff = Curl_timediff(node->time, now);
     if(diff <= 0)
       /* remove outdated entry */
       Curl_llist_remove(list, e, NULL);
@@ -2549,7 +2491,7 @@ static CURLMcode multi_socket(struct Curl_multi *multi,
   CURLMcode result = CURLM_OK;
   struct Curl_easy *data = NULL;
   struct Curl_tree *t;
-  struct curltime now = Curl_tvnow();
+  struct curltime now = Curl_now();
 
   if(checkall) {
     /* *perform() deals with running_handles on its own */
@@ -2625,8 +2567,8 @@ static CURLMcode multi_socket(struct Curl_multi *multi,
 
       data = NULL; /* set data to NULL again to avoid calling
                       multi_runsingle() in case there's no need to */
-      now = Curl_tvnow(); /* get a newer time since the multi_runsingle() loop
-                             may have taken some time */
+      now = Curl_now(); /* get a newer time since the multi_runsingle() loop
+                           may have taken some time */
     }
   }
   else {
@@ -2779,15 +2721,15 @@ static CURLMcode multi_timeout(struct Curl_multi *multi,
 
   if(multi->timetree) {
     /* we have a tree of expire times */
-    struct curltime now = Curl_tvnow();
+    struct curltime now = Curl_now();
 
     /* splay the lowest to the bottom */
     multi->timetree = Curl_splay(tv_zero, multi->timetree);
 
     if(Curl_splaycomparekeys(multi->timetree->key, now) > 0) {
       /* some time left before expiration */
-      *timeout_ms = (long)curlx_tvdiff(multi->timetree->key, now);
-      if(!*timeout_ms)
+      timediff_t diff = Curl_timediff(multi->timetree->key, now);
+      if(diff <= 0)
         /*
          * Since we only provide millisecond resolution on the returned value
          * and the diff might be less than one millisecond here, we don't
@@ -2796,6 +2738,10 @@ static CURLMcode multi_timeout(struct Curl_multi *multi,
          * millisecond! instead we return 1 until the time is ripe.
          */
         *timeout_ms = 1;
+      else
+        /* this should be safe even on 64 bit archs, as we don't use that
+           overly long timeouts */
+        *timeout_ms = (long)diff;
     }
     else
       /* 0 means immediately */
@@ -2902,7 +2848,7 @@ multi_addtimeout(struct Curl_easy *data,
     /* find the correct spot in the list */
     for(e = timeoutlist->head; e; e = e->next) {
       struct time_node *check = (struct time_node *)e->ptr;
-      time_t diff = curlx_tvdiff(check->time, node->time);
+      timediff_t diff = Curl_timediff(check->time, node->time);
       if(diff > 0)
         break;
       prev = e;
@@ -2941,7 +2887,7 @@ void Curl_expire(struct Curl_easy *data, time_t milli, expire_id id)
 
   DEBUGASSERT(id < EXPIRE_LAST);
 
-  set = Curl_tvnow();
+  set = Curl_now();
   set.tv_sec += milli/1000;
   set.tv_usec += (unsigned int)(milli%1000)*1000;
 
@@ -2961,7 +2907,7 @@ void Curl_expire(struct Curl_easy *data, time_t milli, expire_id id)
     /* This means that the struct is added as a node in the splay tree.
        Compare if the new time is earlier, and only remove-old/add-new if it
        is. */
-    time_t diff = curlx_tvdiff(set, *nowp);
+    timediff_t diff = Curl_timediff(set, *nowp);
 
     if(diff > 0) {
       /* The current splay tree entry is sooner than this new expiry time.
diff --git a/Utilities/cmcurl/lib/multihandle.h b/Utilities/cmcurl/lib/multihandle.h
index 4057539470..de9a7cf59c 100644
--- a/Utilities/cmcurl/lib/multihandle.h
+++ b/Utilities/cmcurl/lib/multihandle.h
@@ -114,10 +114,6 @@ struct Curl_multi {
   /* Shared connection cache (bundles)*/
   struct conncache conn_cache;
 
-  /* This handle will be used for closing the cached connections in
-     curl_multi_cleanup() */
-  struct Curl_easy *closure_handle;
-
   long maxconnects; /* if >0, a fixed limit of the maximum number of entries
                        we're allowed to grow the connection cache to */
 
diff --git a/Utilities/cmcurl/lib/openldap.c b/Utilities/cmcurl/lib/openldap.c
index f2944033b5..f2ffdfe679 100644
--- a/Utilities/cmcurl/lib/openldap.c
+++ b/Utilities/cmcurl/lib/openldap.c
@@ -51,6 +51,25 @@
 #include "curl_memory.h"
 #include "memdebug.h"
 
+/*
+ * Uncommenting this will enable the built-in debug logging of the openldap
+ * library. The debug log level can be set using the CURL_OPENLDAP_TRACE
+ * environment variable. The debug output is written to stderr.
+ *
+ * The library supports the following debug flags:
+ * LDAP_DEBUG_NONE         0x0000
+ * LDAP_DEBUG_TRACE        0x0001
+ * LDAP_DEBUG_CONSTRUCT    0x0002
+ * LDAP_DEBUG_DESTROY      0x0004
+ * LDAP_DEBUG_PARAMETER    0x0008
+ * LDAP_DEBUG_ANY          0xffff
+ *
+ * For example, use CURL_OPENLDAP_TRACE=0 for no debug,
+ * CURL_OPENLDAP_TRACE=2 for LDAP_DEBUG_CONSTRUCT messages only,
+ * CURL_OPENLDAP_TRACE=65535 for all debug message levels.
+ */
+/* #define CURL_OPENLDAP_DEBUG */
+
 #ifndef _LDAP_PVT_H
 extern int ldap_pvt_url_scheme2proto(const char *);
 extern int ldap_init_fd(ber_socket_t fd, int proto, const char *url,
@@ -204,6 +223,15 @@ static CURLcode ldap_connect(struct connectdata *conn, bool *done)
   snprintf(ptr, sizeof(hosturl)-(ptr-hosturl), "://%s:%d",
     conn->host.name, conn->remote_port);
 
+#ifdef CURL_OPENLDAP_DEBUG
+  static int do_trace = 0;
+  const char *env = getenv("CURL_OPENLDAP_TRACE");
+  do_trace = (env && strtol(env, NULL, 10) > 0);
+  if(do_trace) {
+    ldap_set_option(li->ld, LDAP_OPT_DEBUG_LEVEL, &do_trace);
+  }
+#endif
+
   rc = ldap_init_fd(conn->sock[FIRSTSOCKET], li->proto, hosturl, &li->ld);
   if(rc) {
     failf(data, "LDAP local: Cannot connect to %s, %s",
@@ -677,7 +705,7 @@ ldapsb_tls_read(Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
   ber_slen_t ret;
   CURLcode err = CURLE_RECV_ERROR;
 
-  ret = li->recv(conn, FIRSTSOCKET, buf, len, &err);
+  ret = (li->recv)(conn, FIRSTSOCKET, buf, len, &err);
   if(ret < 0 && err == CURLE_AGAIN) {
     SET_SOCKERRNO(EWOULDBLOCK);
   }
@@ -692,7 +720,7 @@ ldapsb_tls_write(Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
   ber_slen_t ret;
   CURLcode err = CURLE_SEND_ERROR;
 
-  ret = li->send(conn, FIRSTSOCKET, buf, len, &err);
+  ret = (li->send)(conn, FIRSTSOCKET, buf, len, &err);
   if(ret < 0 && err == CURLE_AGAIN) {
     SET_SOCKERRNO(EWOULDBLOCK);
   }
diff --git a/Utilities/cmcurl/lib/parsedate.c b/Utilities/cmcurl/lib/parsedate.c
index b82605bbe3..0fabbd2694 100644
--- a/Utilities/cmcurl/lib/parsedate.c
+++ b/Utilities/cmcurl/lib/parsedate.c
@@ -75,9 +75,7 @@
 
 #include "curl_setup.h"
 
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 
 #include <curl/curl.h>
 #include "strcase.h"
diff --git a/Utilities/cmcurl/lib/pingpong.c b/Utilities/cmcurl/lib/pingpong.c
index b8f214005f..438856a991 100644
--- a/Utilities/cmcurl/lib/pingpong.c
+++ b/Utilities/cmcurl/lib/pingpong.c
@@ -61,12 +61,12 @@ time_t Curl_pp_state_timeout(struct pingpong *pp)
   /* Without a requested timeout, we only wait 'response_time' seconds for the
      full response to arrive before we bail out */
   timeout_ms = response_time -
-    Curl_tvdiff(Curl_tvnow(), pp->response); /* spent time */
+    Curl_timediff(Curl_now(), pp->response); /* spent time */
 
   if(data->set.timeout) {
     /* if timeout is requested, find out how much remaining time we have */
     timeout2_ms = data->set.timeout - /* timeout time */
-      Curl_tvdiff(Curl_tvnow(), conn->now); /* spent time */
+      Curl_timediff(Curl_now(), conn->now); /* spent time */
 
     /* pick the lowest number */
     timeout_ms = CURLMIN(timeout_ms, timeout2_ms);
@@ -120,7 +120,7 @@ CURLcode Curl_pp_statemach(struct pingpong *pp, bool block)
     if(Curl_pgrsUpdate(conn))
       result = CURLE_ABORTED_BY_CALLBACK;
     else
-      result = Curl_speedcheck(data, Curl_tvnow());
+      result = Curl_speedcheck(data, Curl_now());
 
     if(result)
       return result;
@@ -143,7 +143,7 @@ void Curl_pp_init(struct pingpong *pp)
   pp->nread_resp = 0;
   pp->linestart_resp = conn->data->state.buffer;
   pp->pending_resp = TRUE;
-  pp->response = Curl_tvnow(); /* start response time-out now! */
+  pp->response = Curl_now(); /* start response time-out now! */
 }
 
 
@@ -168,16 +168,22 @@ CURLcode Curl_pp_vsendf(struct pingpong *pp,
   char *s;
   CURLcode result;
   struct connectdata *conn = pp->conn;
-  struct Curl_easy *data = conn->data;
+  struct Curl_easy *data;
 
 #ifdef HAVE_GSSAPI
-  enum protection_level data_sec = conn->data_prot;
+  enum protection_level data_sec;
 #endif
 
   DEBUGASSERT(pp->sendleft == 0);
   DEBUGASSERT(pp->sendsize == 0);
   DEBUGASSERT(pp->sendthis == NULL);
 
+  if(!conn)
+    /* can't send without a connection! */
+    return CURLE_SEND_ERROR;
+
+  data = conn->data;
+
   fmt_crlf = aprintf("%s\r\n", fmt); /* append a trailing CRLF */
   if(!fmt_crlf)
     return CURLE_OUT_OF_MEMORY;
@@ -205,6 +211,7 @@ CURLcode Curl_pp_vsendf(struct pingpong *pp,
   result = Curl_write(conn, conn->sock[FIRSTSOCKET], s, write_len,
                      &bytes_written);
 #ifdef HAVE_GSSAPI
+  data_sec = conn->data_prot;
   DEBUGASSERT(data_sec > PROT_NONE && data_sec < PROT_LAST);
   conn->data_prot = data_sec;
 #endif
@@ -228,7 +235,7 @@ CURLcode Curl_pp_vsendf(struct pingpong *pp,
     free(s);
     pp->sendthis = NULL;
     pp->sendleft = pp->sendsize = 0;
-    pp->response = Curl_tvnow();
+    pp->response = Curl_now();
   }
 
   return CURLE_OK;
@@ -492,7 +499,7 @@ CURLcode Curl_pp_flushsend(struct pingpong *pp)
     free(pp->sendthis);
     pp->sendthis = NULL;
     pp->sendleft = pp->sendsize = 0;
-    pp->response = Curl_tvnow();
+    pp->response = Curl_now();
   }
   return CURLE_OK;
 }
diff --git a/Utilities/cmcurl/lib/pingpong.h b/Utilities/cmcurl/lib/pingpong.h
index a2c8ff5921..5ac8df876e 100644
--- a/Utilities/cmcurl/lib/pingpong.h
+++ b/Utilities/cmcurl/lib/pingpong.h
@@ -58,8 +58,8 @@ struct pingpong {
                      server */
   size_t sendleft; /* number of bytes left to send from the sendthis buffer */
   size_t sendsize; /* total size of the sendthis buffer */
-  struct curltime response; /* set to Curl_tvnow() when a command has been sent
-                              off, used to time-out response reading */
+  struct curltime response; /* set to Curl_now() when a command has been sent
+                               off, used to time-out response reading */
   long response_time; /* When no timeout is given, this is the amount of
                          milliseconds we await for a server response. */
 
diff --git a/Utilities/cmcurl/lib/pop3.c b/Utilities/cmcurl/lib/pop3.c
index 5792a4a6fd..78f6afef1f 100644
--- a/Utilities/cmcurl/lib/pop3.c
+++ b/Utilities/cmcurl/lib/pop3.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -243,23 +243,30 @@ static bool pop3_endofresp(struct connectdata *conn, char *line, size_t len,
  */
 static void pop3_get_message(char *buffer, char **outptr)
 {
-  size_t len = 0;
+  size_t len = strlen(buffer);
   char *message = NULL;
 
-  /* Find the start of the message */
-  for(message = buffer + 2; *message == ' ' || *message == '\t'; message++)
-    ;
-
-  /* Find the end of the message */
-  for(len = strlen(message); len--;)
-    if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
-        message[len] != '\t')
-      break;
-
-  /* Terminate the message */
-  if(++len) {
-    message[len] = '\0';
+  if(len > 2) {
+    /* Find the start of the message */
+    len -= 2;
+    for(message = buffer + 2; *message == ' ' || *message == '\t';
+        message++, len--)
+      ;
+
+    /* Find the end of the message */
+    for(; len--;)
+      if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+         message[len] != '\t')
+        break;
+
+    /* Terminate the message */
+    if(++len) {
+      message[len] = '\0';
+    }
   }
+  else
+    /* junk input => zero length output */
+    message = &buffer[len];
 
   *outptr = message;
 }
diff --git a/Utilities/cmcurl/lib/progress.c b/Utilities/cmcurl/lib/progress.c
index 00609d9ee6..cc5e8be794 100644
--- a/Utilities/cmcurl/lib/progress.c
+++ b/Utilities/cmcurl/lib/progress.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -161,7 +161,7 @@ void Curl_pgrsResetTransferSizes(struct Curl_easy *data)
  */
 void Curl_pgrsTime(struct Curl_easy *data, timerid timer)
 {
-  struct curltime now = Curl_tvnow();
+  struct curltime now = Curl_now();
   time_t *delta = NULL;
 
   switch(timer) {
@@ -212,13 +212,13 @@ void Curl_pgrsTime(struct Curl_easy *data, timerid timer)
     /* this is the normal end-of-transfer thing */
     break;
   case TIMER_REDIRECT:
-    data->progress.t_redirect = Curl_tvdiff_us(now, data->progress.start);
+    data->progress.t_redirect = Curl_timediff_us(now, data->progress.start);
     break;
   }
   if(delta) {
-    time_t us = Curl_tvdiff_us(now, data->progress.t_startsingle);
-    if(!us)
-      us++; /* make sure at least one microsecond passed */
+    timediff_t us = Curl_timediff_us(now, data->progress.t_startsingle);
+    if(us < 1)
+      us = 1; /* make sure at least one microsecond passed */
     *delta += us;
   }
 }
@@ -226,7 +226,7 @@ void Curl_pgrsTime(struct Curl_easy *data, timerid timer)
 void Curl_pgrsStartNow(struct Curl_easy *data)
 {
   data->progress.speeder_c = 0; /* reset the progress meter display */
-  data->progress.start = Curl_tvnow();
+  data->progress.start = Curl_now();
   data->progress.is_t_startransfer_set = false;
   data->progress.ul_limit_start.tv_sec = 0;
   data->progress.ul_limit_start.tv_usec = 0;
@@ -274,7 +274,7 @@ long Curl_pgrsLimitWaitTime(curl_off_t cursize,
     return -1;
 
   minimum = (time_t) (CURL_OFF_T_C(1000) * size / limit);
-  actual = Curl_tvdiff(now, start);
+  actual = Curl_timediff(now, start);
 
   if(actual < minimum)
     /* this is a conversion on some systems (64bit time_t => 32bit long) */
@@ -285,7 +285,7 @@ long Curl_pgrsLimitWaitTime(curl_off_t cursize,
 
 void Curl_pgrsSetDownloadCounter(struct Curl_easy *data, curl_off_t size)
 {
-  struct curltime now = Curl_tvnow();
+  struct curltime now = Curl_now();
 
   data->progress.downloaded = size;
 
@@ -303,7 +303,7 @@ void Curl_pgrsSetDownloadCounter(struct Curl_easy *data, curl_off_t size)
 
 void Curl_pgrsSetUploadCounter(struct Curl_easy *data, curl_off_t size)
 {
-  struct curltime now = Curl_tvnow();
+  struct curltime now = Curl_now();
 
   data->progress.uploaded = size;
 
@@ -358,6 +358,7 @@ int Curl_pgrsUpdate(struct connectdata *conn)
   curl_off_t total_transfer;
   curl_off_t total_expected_transfer;
   curl_off_t timespent;
+  curl_off_t timespent_ms; /* milliseconds */
   struct Curl_easy *data = conn->data;
   int nowindex = data->progress.speeder_c% CURR_TIME;
   int checkindex;
@@ -369,22 +370,27 @@ int Curl_pgrsUpdate(struct connectdata *conn)
   curl_off_t dlestimate = 0;
   curl_off_t total_estimate;
   bool shownow = FALSE;
+  curl_off_t dl = data->progress.downloaded;
+  curl_off_t ul = data->progress.uploaded;
 
-  now = Curl_tvnow(); /* what time is it */
+  now = Curl_now(); /* what time is it */
 
   /* The time spent so far (from the start) */
-  data->progress.timespent = Curl_tvdiff_us(now, data->progress.start);
+  data->progress.timespent = Curl_timediff_us(now, data->progress.start);
   timespent = (curl_off_t)data->progress.timespent/1000000; /* seconds */
+  timespent_ms = (curl_off_t)data->progress.timespent/1000; /* ms */
 
   /* The average download speed this far */
-  data->progress.dlspeed = (curl_off_t)
-    (data->progress.downloaded/
-     (timespent>0?timespent:1));
+  if(dl < CURL_OFF_T_MAX/1000)
+    data->progress.dlspeed = (dl * 1000 / (timespent_ms>0?timespent_ms:1));
+  else
+    data->progress.dlspeed = (dl / (timespent>0?timespent:1));
 
   /* The average upload speed this far */
-  data->progress.ulspeed = (curl_off_t)
-    (data->progress.uploaded/
-     (timespent>0?timespent:1));
+  if(ul < CURL_OFF_T_MAX/1000)
+    data->progress.ulspeed = (ul * 1000 / (timespent_ms>0?timespent_ms:1));
+  else
+    data->progress.ulspeed = (ul / (timespent>0?timespent:1));
 
   /* Calculations done at most once a second, unless end is reached */
   if(data->progress.lastshow != now.tv_sec) {
@@ -413,7 +419,7 @@ int Curl_pgrsUpdate(struct connectdata *conn)
 
     /* first of all, we don't do this if there's no counted seconds yet */
     if(countindex) {
-      time_t span_ms;
+      timediff_t span_ms;
 
       /* Get the index position to compare with the 'nowindex' position.
          Get the oldest entry possible. While we have less than CURR_TIME
@@ -422,8 +428,8 @@ int Curl_pgrsUpdate(struct connectdata *conn)
         data->progress.speeder_c%CURR_TIME:0;
 
       /* Figure out the exact time for the time span */
-      span_ms = Curl_tvdiff(now,
-                            data->progress.speeder_time[checkindex]);
+      span_ms = Curl_timediff(now,
+                              data->progress.speeder_time[checkindex]);
       if(0 == span_ms)
         span_ms = 1; /* at least one millisecond MUST have passed */
 
diff --git a/Utilities/cmcurl/lib/rand.c b/Utilities/cmcurl/lib/rand.c
index 2713a0aa3e..0769ed1512 100644
--- a/Utilities/cmcurl/lib/rand.c
+++ b/Utilities/cmcurl/lib/rand.c
@@ -86,7 +86,7 @@ static CURLcode randit(struct Curl_easy *data, unsigned int *rnd)
 #endif
 
   if(!seeded) {
-    struct curltime now = curlx_tvnow();
+    struct curltime now = Curl_now();
     infof(data, "WARNING: Using weak random seed\n");
     randseed += (unsigned int)now.tv_usec + (unsigned int)now.tv_sec;
     randseed = randseed * 1103515245 + 12345;
@@ -157,6 +157,12 @@ CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
   unsigned char *bufp = buffer;
   DEBUGASSERT(num > 1);
 
+#ifdef __clang_analyzer__
+  /* This silences a scan-build warning about accesssing this buffer with
+     uninitialized memory. */
+  memset(buffer, 0, sizeof(buffer));
+#endif
+
   if((num/2 >= sizeof(buffer)) || !(num&1))
     /* make sure it fits in the local buffer and that it is an odd number! */
     return CURLE_BAD_FUNCTION_ARGUMENT;
diff --git a/Utilities/cmcurl/lib/security.c b/Utilities/cmcurl/lib/security.c
index a2e4a35c8b..d171985475 100644
--- a/Utilities/cmcurl/lib/security.c
+++ b/Utilities/cmcurl/lib/security.c
@@ -50,9 +50,7 @@
 #include <netdb.h>
 #endif
 
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 
 #include "urldata.h"
 #include "curl_base64.h"
diff --git a/Utilities/cmcurl/lib/select.c b/Utilities/cmcurl/lib/select.c
index b8e1868d04..0406dd26ae 100644
--- a/Utilities/cmcurl/lib/select.c
+++ b/Utilities/cmcurl/lib/select.c
@@ -51,7 +51,7 @@
 #include "warnless.h"
 
 /* Convenience local macros */
-#define ELAPSED_MS()  (int)curlx_tvdiff(curlx_tvnow(), initial_tv)
+#define ELAPSED_MS() (int)Curl_timediff(Curl_now(), initial_tv)
 
 int Curl_ack_eintr = 0;
 #define ERROR_NOT_EINTR(error) (Curl_ack_eintr || error != EINTR)
@@ -96,7 +96,7 @@ int Curl_wait_ms(int timeout_ms)
   Sleep(timeout_ms);
 #else
   pending_ms = timeout_ms;
-  initial_tv = curlx_tvnow();
+  initial_tv = Curl_now();
   do {
 #if defined(HAVE_POLL_FINE)
     r = poll(NULL, 0, pending_ms);
@@ -177,14 +177,14 @@ int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */
     return r;
   }
 
-  /* Avoid initial timestamp, avoid curlx_tvnow() call, when elapsed
+  /* Avoid initial timestamp, avoid Curl_now() call, when elapsed
      time in this function does not need to be measured. This happens
      when function is called with a zero timeout or a negative timeout
      value indicating a blocking call should be performed. */
 
   if(timeout_ms > 0) {
     pending_ms = (int)timeout_ms;
-    initial_tv = curlx_tvnow();
+    initial_tv = Curl_now();
   }
 
 #ifdef HAVE_POLL_FINE
@@ -418,14 +418,14 @@ int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms)
     return r;
   }
 
-  /* Avoid initial timestamp, avoid curlx_tvnow() call, when elapsed
+  /* Avoid initial timestamp, avoid Curl_now() call, when elapsed
      time in this function does not need to be measured. This happens
      when function is called with a zero timeout or a negative timeout
      value indicating a blocking call should be performed. */
 
   if(timeout_ms > 0) {
     pending_ms = timeout_ms;
-    initial_tv = curlx_tvnow();
+    initial_tv = Curl_now();
   }
 
 #ifdef HAVE_POLL_FINE
diff --git a/Utilities/cmcurl/lib/sendf.c b/Utilities/cmcurl/lib/sendf.c
index 7564cb3d09..027f97c47a 100644
--- a/Utilities/cmcurl/lib/sendf.c
+++ b/Utilities/cmcurl/lib/sendf.c
@@ -22,6 +22,14 @@
 
 #include "curl_setup.h"
 
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#endif
+
 #include <curl/curl.h>
 
 #include "urldata.h"
@@ -241,25 +249,25 @@ void Curl_infof(struct Curl_easy *data, const char *fmt, ...)
 
 void Curl_failf(struct Curl_easy *data, const char *fmt, ...)
 {
-  va_list ap;
-  size_t len;
-  char error[CURL_ERROR_SIZE + 2];
-  va_start(ap, fmt);
-
-  vsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
-  len = strlen(error);
+  if(data->set.verbose || data->set.errorbuffer) {
+    va_list ap;
+    size_t len;
+    char error[CURL_ERROR_SIZE + 2];
+    va_start(ap, fmt);
+    vsnprintf(error, CURL_ERROR_SIZE, fmt, ap);
+    len = strlen(error);
 
-  if(data->set.errorbuffer && !data->state.errorbuf) {
-    strcpy(data->set.errorbuffer, error);
-    data->state.errorbuf = TRUE; /* wrote error string */
-  }
-  if(data->set.verbose) {
-    error[len] = '\n';
-    error[++len] = '\0';
-    Curl_debug(data, CURLINFO_TEXT, error, len, NULL);
+    if(data->set.errorbuffer && !data->state.errorbuf) {
+      strcpy(data->set.errorbuffer, error);
+      data->state.errorbuf = TRUE; /* wrote error string */
+    }
+    if(data->set.verbose) {
+      error[len] = '\n';
+      error[++len] = '\0';
+      Curl_debug(data, CURLINFO_TEXT, error, len, NULL);
+    }
+    va_end(ap);
   }
-
-  va_end(ap);
 }
 
 /* Curl_sendf() sends formatted data to the server */
@@ -360,7 +368,7 @@ ssize_t Curl_send_plain(struct connectdata *conn, int num,
      available. */
   pre_receive_plain(conn, num);
 
-#ifdef MSG_FASTOPEN /* Linux */
+#if defined(MSG_FASTOPEN) && !defined(TCP_FASTOPEN_CONNECT) /* Linux */
   if(conn->bits.tcp_fastopen) {
     bytes_written = sendto(sockfd, mem, len, MSG_FASTOPEN,
                            conn->ip_addr->ai_addr, conn->ip_addr->ai_addrlen);
diff --git a/Utilities/cmcurl/lib/setopt.c b/Utilities/cmcurl/lib/setopt.c
new file mode 100644
index 0000000000..a5ef75c722
--- /dev/null
+++ b/Utilities/cmcurl/lib/setopt.c
@@ -0,0 +1,2556 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <limits.h>
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#ifdef HAVE_LINUX_TCP_H
+#include <linux/tcp.h>
+#endif
+
+#include "urldata.h"
+#include "url.h"
+#include "progress.h"
+#include "content_encoding.h"
+#include "strcase.h"
+#include "share.h"
+#include "vtls/vtls.h"
+#include "warnless.h"
+#include "sendf.h"
+#include "http2.h"
+#include "setopt.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+CURLcode Curl_setstropt(char **charp, const char *s)
+{
+  /* Release the previous storage at `charp' and replace by a dynamic storage
+     copy of `s'. Return CURLE_OK or CURLE_OUT_OF_MEMORY. */
+
+  Curl_safefree(*charp);
+
+  if(s) {
+    char *str = strdup(s);
+
+    if(!str)
+      return CURLE_OUT_OF_MEMORY;
+
+    *charp = str;
+  }
+
+  return CURLE_OK;
+}
+
+static CURLcode setstropt_userpwd(char *option, char **userp, char **passwdp)
+{
+  CURLcode result = CURLE_OK;
+  char *user = NULL;
+  char *passwd = NULL;
+
+  /* Parse the login details if specified. It not then we treat NULL as a hint
+     to clear the existing data */
+  if(option) {
+    result = Curl_parse_login_details(option, strlen(option),
+                                      (userp ? &user : NULL),
+                                      (passwdp ? &passwd : NULL),
+                                      NULL);
+  }
+
+  if(!result) {
+    /* Store the username part of option if required */
+    if(userp) {
+      if(!user && option && option[0] == ':') {
+        /* Allocate an empty string instead of returning NULL as user name */
+        user = strdup("");
+        if(!user)
+          result = CURLE_OUT_OF_MEMORY;
+      }
+
+      Curl_safefree(*userp);
+      *userp = user;
+    }
+
+    /* Store the password part of option if required */
+    if(passwdp) {
+      Curl_safefree(*passwdp);
+      *passwdp = passwd;
+    }
+  }
+
+  return result;
+}
+
+#define C_SSLVERSION_VALUE(x) (x & 0xffff)
+#define C_SSLVERSION_MAX_VALUE(x) (x & 0xffff0000)
+
+CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option,
+                      va_list param)
+{
+  char *argptr;
+  CURLcode result = CURLE_OK;
+  long arg;
+  curl_off_t bigsize;
+
+  switch(option) {
+  case CURLOPT_DNS_CACHE_TIMEOUT:
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.dns_cache_timeout = arg;
+    break;
+  case CURLOPT_DNS_USE_GLOBAL_CACHE:
+    /* remember we want this enabled */
+    arg = va_arg(param, long);
+    data->set.global_dns_cache = (0 != arg) ? TRUE : FALSE;
+    break;
+  case CURLOPT_SSL_CIPHER_LIST:
+    /* set a list of cipher we want to use in the SSL connection */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CIPHER_LIST_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSL_CIPHER_LIST:
+    /* set a list of cipher we want to use in the SSL connection for proxy */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CIPHER_LIST_PROXY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RANDOM_FILE:
+    /*
+     * This is the path name to a file that contains random data to seed
+     * the random SSL stuff with. The file is only used for reading.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_RANDOM_FILE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_EGDSOCKET:
+    /*
+     * The Entropy Gathering Daemon socket pathname
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_EGDSOCKET],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_MAXCONNECTS:
+    /*
+     * Set the absolute number of maximum simultaneous alive connection that
+     * libcurl is allowed to have.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.maxconnects = arg;
+    break;
+  case CURLOPT_FORBID_REUSE:
+    /*
+     * When this transfer is done, it must not be left to be reused by a
+     * subsequent transfer but shall be closed immediately.
+     */
+    data->set.reuse_forbid = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FRESH_CONNECT:
+    /*
+     * This transfer shall not use a previously cached connection but
+     * should be made with a fresh new connect!
+     */
+    data->set.reuse_fresh = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_VERBOSE:
+    /*
+     * Verbose means infof() calls that give a lot of information about
+     * the connection and transfer procedures as well as internal choices.
+     */
+    data->set.verbose = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_HEADER:
+    /*
+     * Set to include the header in the general data output stream.
+     */
+    data->set.include_header = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_NOPROGRESS:
+    /*
+     * Shut off the internal supported progress meter
+     */
+    data->set.hide_progress = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    if(data->set.hide_progress)
+      data->progress.flags |= PGRS_HIDE;
+    else
+      data->progress.flags &= ~PGRS_HIDE;
+    break;
+  case CURLOPT_NOBODY:
+    /*
+     * Do not include the body part in the output data stream.
+     */
+    data->set.opt_no_body = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FAILONERROR:
+    /*
+     * Don't output the >=400 error code HTML-page, but instead only
+     * return error.
+     */
+    data->set.http_fail_on_error = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_KEEP_SENDING_ON_ERROR:
+    data->set.http_keep_sending_on_error = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    break;
+  case CURLOPT_UPLOAD:
+  case CURLOPT_PUT:
+    /*
+     * We want to sent data to the remote host. If this is HTTP, that equals
+     * using the PUT request.
+     */
+    data->set.upload = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    if(data->set.upload) {
+      /* If this is HTTP, PUT is what's needed to "upload" */
+      data->set.httpreq = HTTPREQ_PUT;
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    else
+      /* In HTTP, the opposite of upload is GET (unless NOBODY is true as
+         then this can be changed to HEAD later on) */
+      data->set.httpreq = HTTPREQ_GET;
+    break;
+  case CURLOPT_REQUEST_TARGET:
+    result = Curl_setstropt(&data->set.str[STRING_TARGET],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_FILETIME:
+    /*
+     * Try to get the file time of the remote document. The time will
+     * later (possibly) become available using curl_easy_getinfo().
+     */
+    data->set.get_filetime = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FTP_CREATE_MISSING_DIRS:
+    /*
+     * An FTP option that modifies an upload to create missing directories on
+     * the server.
+     */
+    switch(va_arg(param, long)) {
+    case 0:
+      data->set.ftp_create_missing_dirs = 0;
+      break;
+    case 1:
+      data->set.ftp_create_missing_dirs = 1;
+      break;
+    case 2:
+      data->set.ftp_create_missing_dirs = 2;
+      break;
+    default:
+      /* reserve other values for future use */
+      result = CURLE_UNKNOWN_OPTION;
+      break;
+    }
+    break;
+  case CURLOPT_SERVER_RESPONSE_TIMEOUT:
+    /*
+     * Option that specifies how quickly an server response must be obtained
+     * before it is considered failure. For pingpong protocols.
+     */
+    arg = va_arg(param, long);
+    if((arg >= 0) && (arg <= (INT_MAX/1000)))
+      data->set.server_response_timeout = arg * 1000;
+    else
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+  case CURLOPT_TFTP_NO_OPTIONS:
+    /*
+     * Option that prevents libcurl from sending TFTP option requests to the
+     * server.
+     */
+    data->set.tftp_no_options = va_arg(param, long) != 0;
+    break;
+  case CURLOPT_TFTP_BLKSIZE:
+    /*
+     * TFTP option that specifies the block size to use for data transmission.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.tftp_blksize = arg;
+    break;
+  case CURLOPT_DIRLISTONLY:
+    /*
+     * An option that changes the command to one that asks for a list
+     * only, no file info details.
+     */
+    data->set.ftp_list_only = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_APPEND:
+    /*
+     * We want to upload and append to an existing file.
+     */
+    data->set.ftp_append = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_FTP_FILEMETHOD:
+    /*
+     * How do access files over FTP.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLFTPMETHOD_DEFAULT) || (arg > CURLFTPMETHOD_SINGLECWD))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ftp_filemethod = (curl_ftpfile)arg;
+    break;
+  case CURLOPT_NETRC:
+    /*
+     * Parse the $HOME/.netrc file
+     */
+    arg = va_arg(param, long);
+    if((arg < CURL_NETRC_IGNORED) || (arg > CURL_NETRC_REQUIRED))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.use_netrc = (enum CURL_NETRC_OPTION)arg;
+    break;
+  case CURLOPT_NETRC_FILE:
+    /*
+     * Use this file instead of the $HOME/.netrc file
+     */
+    result = Curl_setstropt(&data->set.str[STRING_NETRC_FILE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_TRANSFERTEXT:
+    /*
+     * This option was previously named 'FTPASCII'. Renamed to work with
+     * more protocols than merely FTP.
+     *
+     * Transfer using ASCII (instead of BINARY).
+     */
+    data->set.prefer_ascii = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_TIMECONDITION:
+    /*
+     * Set HTTP time condition. This must be one of the defines in the
+     * curl/curl.h header file.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURL_TIMECOND_NONE) || (arg > CURL_TIMECOND_LASTMOD))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.timecondition = (curl_TimeCond)arg;
+    break;
+  case CURLOPT_TIMEVALUE:
+    /*
+     * This is the value to compare with the remote document with the
+     * method set with CURLOPT_TIMECONDITION
+     */
+    data->set.timevalue = (time_t)va_arg(param, long);
+    break;
+
+  case CURLOPT_SSLVERSION:
+  case CURLOPT_PROXY_SSLVERSION:
+    /*
+     * Set explicit SSL version to try to connect with, as some SSL
+     * implementations are lame.
+     */
+#ifdef USE_SSL
+    {
+      long version, version_max;
+      struct ssl_primary_config *primary = (option == CURLOPT_SSLVERSION ?
+                                            &data->set.ssl.primary :
+                                            &data->set.proxy_ssl.primary);
+
+      arg = va_arg(param, long);
+
+      version = C_SSLVERSION_VALUE(arg);
+      version_max = C_SSLVERSION_MAX_VALUE(arg);
+
+      if(version < CURL_SSLVERSION_DEFAULT ||
+         version >= CURL_SSLVERSION_LAST ||
+         version_max < CURL_SSLVERSION_MAX_NONE ||
+         version_max >= CURL_SSLVERSION_MAX_LAST)
+        return CURLE_BAD_FUNCTION_ARGUMENT;
+
+      primary->version = version;
+      primary->version_max = version_max;
+    }
+#else
+    result = CURLE_UNKNOWN_OPTION;
+#endif
+    break;
+
+#ifndef CURL_DISABLE_HTTP
+  case CURLOPT_AUTOREFERER:
+    /*
+     * Switch on automatic referer that gets set if curl follows locations.
+     */
+    data->set.http_auto_referer = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_ACCEPT_ENCODING:
+    /*
+     * String to use at the value of Accept-Encoding header.
+     *
+     * If the encoding is set to "" we use an Accept-Encoding header that
+     * encompasses all the encodings we support.
+     * If the encoding is set to NULL we don't send an Accept-Encoding header
+     * and ignore an received Content-Encoding header.
+     *
+     */
+    argptr = va_arg(param, char *);
+    if(argptr && !*argptr) {
+      argptr = Curl_all_content_encodings();
+      if(!argptr)
+        result = CURLE_OUT_OF_MEMORY;
+      else {
+        result = Curl_setstropt(&data->set.str[STRING_ENCODING], argptr);
+        free(argptr);
+      }
+    }
+    else
+      result = Curl_setstropt(&data->set.str[STRING_ENCODING], argptr);
+    break;
+
+  case CURLOPT_TRANSFER_ENCODING:
+    data->set.http_transfer_encoding = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    break;
+
+  case CURLOPT_FOLLOWLOCATION:
+    /*
+     * Follow Location: header hints on a HTTP-server.
+     */
+    data->set.http_follow_location = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_UNRESTRICTED_AUTH:
+    /*
+     * Send authentication (user+password) when following locations, even when
+     * hostname changed.
+     */
+    data->set.allow_auth_to_other_hosts =
+      (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_MAXREDIRS:
+    /*
+     * The maximum amount of hops you allow curl to follow Location:
+     * headers. This should mostly be used to detect never-ending loops.
+     */
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.maxredirs = arg;
+    break;
+
+  case CURLOPT_POSTREDIR:
+    /*
+     * Set the behaviour of POST when redirecting
+     * CURL_REDIR_GET_ALL - POST is changed to GET after 301 and 302
+     * CURL_REDIR_POST_301 - POST is kept as POST after 301
+     * CURL_REDIR_POST_302 - POST is kept as POST after 302
+     * CURL_REDIR_POST_303 - POST is kept as POST after 303
+     * CURL_REDIR_POST_ALL - POST is kept as POST after 301, 302 and 303
+     * other - POST is kept as POST after 301 and 302
+     */
+    arg = va_arg(param, long);
+    if(arg < CURL_REDIR_GET_ALL)
+      /* no return error on too high numbers since the bitmask could be
+         extended in a future */
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.keep_post = arg & CURL_REDIR_POST_ALL;
+    break;
+
+  case CURLOPT_POST:
+    /* Does this option serve a purpose anymore? Yes it does, when
+       CURLOPT_POSTFIELDS isn't used and the POST data is read off the
+       callback! */
+    if(va_arg(param, long)) {
+      data->set.httpreq = HTTPREQ_POST;
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    else
+      data->set.httpreq = HTTPREQ_GET;
+    break;
+
+  case CURLOPT_COPYPOSTFIELDS:
+    /*
+     * A string with POST data. Makes curl HTTP POST. Even if it is NULL.
+     * If needed, CURLOPT_POSTFIELDSIZE must have been set prior to
+     *  CURLOPT_COPYPOSTFIELDS and not altered later.
+     */
+    argptr = va_arg(param, char *);
+
+    if(!argptr || data->set.postfieldsize == -1)
+      result = Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], argptr);
+    else {
+      /*
+       *  Check that requested length does not overflow the size_t type.
+       */
+
+      if((data->set.postfieldsize < 0) ||
+         ((sizeof(curl_off_t) != sizeof(size_t)) &&
+          (data->set.postfieldsize > (curl_off_t)((size_t)-1))))
+        result = CURLE_OUT_OF_MEMORY;
+      else {
+        char *p;
+
+        (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+
+        /* Allocate even when size == 0. This satisfies the need of possible
+           later address compare to detect the COPYPOSTFIELDS mode, and
+           to mark that postfields is used rather than read function or
+           form data.
+        */
+        p = malloc((size_t)(data->set.postfieldsize?
+                            data->set.postfieldsize:1));
+
+        if(!p)
+          result = CURLE_OUT_OF_MEMORY;
+        else {
+          if(data->set.postfieldsize)
+            memcpy(p, argptr, (size_t)data->set.postfieldsize);
+
+          data->set.str[STRING_COPYPOSTFIELDS] = p;
+        }
+      }
+    }
+
+    data->set.postfields = data->set.str[STRING_COPYPOSTFIELDS];
+    data->set.httpreq = HTTPREQ_POST;
+    break;
+
+  case CURLOPT_POSTFIELDS:
+    /*
+     * Like above, but use static data instead of copying it.
+     */
+    data->set.postfields = va_arg(param, void *);
+    /* Release old copied data. */
+    (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+    data->set.httpreq = HTTPREQ_POST;
+    break;
+
+  case CURLOPT_POSTFIELDSIZE:
+    /*
+     * The size of the POSTFIELD data to prevent libcurl to do strlen() to
+     * figure it out. Enables binary posts.
+     */
+    bigsize = va_arg(param, long);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+
+    if(data->set.postfieldsize < bigsize &&
+       data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
+      /* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
+      (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+      data->set.postfields = NULL;
+    }
+
+    data->set.postfieldsize = bigsize;
+    break;
+
+  case CURLOPT_POSTFIELDSIZE_LARGE:
+    /*
+     * The size of the POSTFIELD data to prevent libcurl to do strlen() to
+     * figure it out. Enables binary posts.
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+
+    if(data->set.postfieldsize < bigsize &&
+       data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
+      /* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
+      (void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
+      data->set.postfields = NULL;
+    }
+
+    data->set.postfieldsize = bigsize;
+    break;
+
+  case CURLOPT_HTTPPOST:
+    /*
+     * Set to make us do HTTP POST
+     */
+    data->set.httppost = va_arg(param, struct curl_httppost *);
+    data->set.httpreq = HTTPREQ_POST_FORM;
+    data->set.opt_no_body = FALSE; /* this is implied */
+    break;
+#endif   /* CURL_DISABLE_HTTP */
+
+  case CURLOPT_MIMEPOST:
+    /*
+     * Set to make us do MIME/form POST
+     */
+    result = Curl_mime_set_subparts(&data->set.mimepost,
+                                    va_arg(param, curl_mime *), FALSE);
+    if(!result) {
+      data->set.httpreq = HTTPREQ_POST_MIME;
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    break;
+
+  case CURLOPT_REFERER:
+    /*
+     * String to set in the HTTP Referer: field.
+     */
+    if(data->change.referer_alloc) {
+      Curl_safefree(data->change.referer);
+      data->change.referer_alloc = FALSE;
+    }
+    result = Curl_setstropt(&data->set.str[STRING_SET_REFERER],
+                            va_arg(param, char *));
+    data->change.referer = data->set.str[STRING_SET_REFERER];
+    break;
+
+  case CURLOPT_USERAGENT:
+    /*
+     * String to use in the HTTP User-Agent field
+     */
+    result = Curl_setstropt(&data->set.str[STRING_USERAGENT],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_HTTPHEADER:
+    /*
+     * Set a list with HTTP headers to use (or replace internals with)
+     */
+    data->set.headers = va_arg(param, struct curl_slist *);
+    break;
+
+#ifndef CURL_DISABLE_HTTP
+  case CURLOPT_PROXYHEADER:
+    /*
+     * Set a list with proxy headers to use (or replace internals with)
+     *
+     * Since CURLOPT_HTTPHEADER was the only way to set HTTP headers for a
+     * long time we remain doing it this way until CURLOPT_PROXYHEADER is
+     * used. As soon as this option has been used, if set to anything but
+     * NULL, custom headers for proxies are only picked from this list.
+     *
+     * Set this option to NULL to restore the previous behavior.
+     */
+    data->set.proxyheaders = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_HEADEROPT:
+    /*
+     * Set header option.
+     */
+    arg = va_arg(param, long);
+    data->set.sep_headers = (arg & CURLHEADER_SEPARATE)? TRUE: FALSE;
+    break;
+
+  case CURLOPT_HTTP200ALIASES:
+    /*
+     * Set a list of aliases for HTTP 200 in response header
+     */
+    data->set.http200aliases = va_arg(param, struct curl_slist *);
+    break;
+
+#if !defined(CURL_DISABLE_COOKIES)
+  case CURLOPT_COOKIE:
+    /*
+     * Cookie string to send to the remote server in the request.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_COOKIE],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_COOKIEFILE:
+    /*
+     * Set cookie file to read and parse. Can be used multiple times.
+     */
+    argptr = (char *)va_arg(param, void *);
+    if(argptr) {
+      struct curl_slist *cl;
+      /* append the cookie file name to the list of file names, and deal with
+         them later */
+      cl = curl_slist_append(data->change.cookielist, argptr);
+      if(!cl) {
+        curl_slist_free_all(data->change.cookielist);
+        data->change.cookielist = NULL;
+        return CURLE_OUT_OF_MEMORY;
+      }
+      data->change.cookielist = cl; /* store the list for later use */
+    }
+    break;
+
+  case CURLOPT_COOKIEJAR:
+    /*
+     * Set cookie file name to dump all cookies to when we're done.
+     */
+  {
+    struct CookieInfo *newcookies;
+    result = Curl_setstropt(&data->set.str[STRING_COOKIEJAR],
+                            va_arg(param, char *));
+
+    /*
+     * Activate the cookie parser. This may or may not already
+     * have been made.
+     */
+    newcookies = Curl_cookie_init(data, NULL, data->cookies,
+                                  data->set.cookiesession);
+    if(!newcookies)
+      result = CURLE_OUT_OF_MEMORY;
+    data->cookies = newcookies;
+  }
+  break;
+
+  case CURLOPT_COOKIESESSION:
+    /*
+     * Set this option to TRUE to start a new "cookie session". It will
+     * prevent the forthcoming read-cookies-from-file actions to accept
+     * cookies that are marked as being session cookies, as they belong to a
+     * previous session.
+     *
+     * In the original Netscape cookie spec, "session cookies" are cookies
+     * with no expire date set. RFC2109 describes the same action if no
+     * 'Max-Age' is set and RFC2965 includes the RFC2109 description and adds
+     * a 'Discard' action that can enforce the discard even for cookies that
+     * have a Max-Age.
+     *
+     * We run mostly with the original cookie spec, as hardly anyone implements
+     * anything else.
+     */
+    data->set.cookiesession = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_COOKIELIST:
+    argptr = va_arg(param, char *);
+
+    if(argptr == NULL)
+      break;
+
+    if(strcasecompare(argptr, "ALL")) {
+      /* clear all cookies */
+      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+      Curl_cookie_clearall(data->cookies);
+      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+    }
+    else if(strcasecompare(argptr, "SESS")) {
+      /* clear session cookies */
+      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+      Curl_cookie_clearsess(data->cookies);
+      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+    }
+    else if(strcasecompare(argptr, "FLUSH")) {
+      /* flush cookies to file, takes care of the locking */
+      Curl_flush_cookies(data, 0);
+    }
+    else if(strcasecompare(argptr, "RELOAD")) {
+      /* reload cookies from file */
+      Curl_cookie_loadfiles(data);
+      break;
+    }
+    else {
+      if(!data->cookies)
+        /* if cookie engine was not running, activate it */
+        data->cookies = Curl_cookie_init(data, NULL, NULL, TRUE);
+
+      argptr = strdup(argptr);
+      if(!argptr || !data->cookies) {
+        result = CURLE_OUT_OF_MEMORY;
+        free(argptr);
+      }
+      else {
+        Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
+
+        if(checkprefix("Set-Cookie:", argptr))
+          /* HTTP Header format line */
+          Curl_cookie_add(data, data->cookies, TRUE, argptr + 11, NULL, NULL);
+
+        else
+          /* Netscape format line */
+          Curl_cookie_add(data, data->cookies, FALSE, argptr, NULL, NULL);
+
+        Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
+        free(argptr);
+      }
+    }
+
+    break;
+#endif /* !CURL_DISABLE_COOKIES */
+
+  case CURLOPT_HTTPGET:
+    /*
+     * Set to force us do HTTP GET
+     */
+    if(va_arg(param, long)) {
+      data->set.httpreq = HTTPREQ_GET;
+      data->set.upload = FALSE; /* switch off upload */
+      data->set.opt_no_body = FALSE; /* this is implied */
+    }
+    break;
+
+  case CURLOPT_HTTP_VERSION:
+    /*
+     * This sets a requested HTTP version to be used. The value is one of
+     * the listed enums in curl/curl.h.
+     */
+    arg = va_arg(param, long);
+    if(arg < CURL_HTTP_VERSION_NONE)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+#ifndef USE_NGHTTP2
+    if(arg >= CURL_HTTP_VERSION_2)
+      return CURLE_UNSUPPORTED_PROTOCOL;
+#else
+    if(arg > CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE)
+      return CURLE_UNSUPPORTED_PROTOCOL;
+#endif
+    data->set.httpversion = arg;
+    break;
+
+  case CURLOPT_EXPECT_100_TIMEOUT_MS:
+    /*
+     * Time to wait for a response to a HTTP request containing an
+     * Expect: 100-continue header before sending the data anyway.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.expect_100_timeout = arg;
+    break;
+
+#endif   /* CURL_DISABLE_HTTP */
+
+  case CURLOPT_HTTPAUTH:
+    /*
+     * Set HTTP Authentication type BITMASK.
+     */
+  {
+    int bitcheck;
+    bool authbits;
+    unsigned long auth = va_arg(param, unsigned long);
+
+    if(auth == CURLAUTH_NONE) {
+      data->set.httpauth = auth;
+      break;
+    }
+
+    /* the DIGEST_IE bit is only used to set a special marker, for all the
+       rest we need to handle it as normal DIGEST */
+    data->state.authhost.iestyle = (auth & CURLAUTH_DIGEST_IE) ? TRUE : FALSE;
+
+    if(auth & CURLAUTH_DIGEST_IE) {
+      auth |= CURLAUTH_DIGEST; /* set standard digest bit */
+      auth &= ~CURLAUTH_DIGEST_IE; /* unset ie digest bit */
+    }
+
+    /* switch off bits we can't support */
+#ifndef USE_NTLM
+    auth &= ~CURLAUTH_NTLM;    /* no NTLM support */
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#elif !defined(NTLM_WB_ENABLED)
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#endif
+#ifndef USE_SPNEGO
+    auth &= ~CURLAUTH_NEGOTIATE; /* no Negotiate (SPNEGO) auth without
+                                    GSS-API or SSPI */
+#endif
+
+    /* check if any auth bit lower than CURLAUTH_ONLY is still set */
+    bitcheck = 0;
+    authbits = FALSE;
+    while(bitcheck < 31) {
+      if(auth & (1UL << bitcheck++)) {
+        authbits = TRUE;
+        break;
+      }
+    }
+    if(!authbits)
+      return CURLE_NOT_BUILT_IN; /* no supported types left! */
+
+    data->set.httpauth = auth;
+  }
+  break;
+
+  case CURLOPT_CUSTOMREQUEST:
+    /*
+     * Set a custom string to use as request
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CUSTOMREQUEST],
+                            va_arg(param, char *));
+
+    /* we don't set
+       data->set.httpreq = HTTPREQ_CUSTOM;
+       here, we continue as if we were using the already set type
+       and this just changes the actual request keyword */
+    break;
+
+#ifndef CURL_DISABLE_PROXY
+  case CURLOPT_HTTPPROXYTUNNEL:
+    /*
+     * Tunnel operations through the proxy instead of normal proxy use
+     */
+    data->set.tunnel_thru_httpproxy = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    break;
+
+  case CURLOPT_PROXYPORT:
+    /*
+     * Explicitly set HTTP proxy port number.
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.proxyport = arg;
+    break;
+
+  case CURLOPT_PROXYAUTH:
+    /*
+     * Set HTTP Authentication type BITMASK.
+     */
+  {
+    int bitcheck;
+    bool authbits;
+    unsigned long auth = va_arg(param, unsigned long);
+
+    if(auth == CURLAUTH_NONE) {
+      data->set.proxyauth = auth;
+      break;
+    }
+
+    /* the DIGEST_IE bit is only used to set a special marker, for all the
+       rest we need to handle it as normal DIGEST */
+    data->state.authproxy.iestyle = (auth & CURLAUTH_DIGEST_IE) ? TRUE : FALSE;
+
+    if(auth & CURLAUTH_DIGEST_IE) {
+      auth |= CURLAUTH_DIGEST; /* set standard digest bit */
+      auth &= ~CURLAUTH_DIGEST_IE; /* unset ie digest bit */
+    }
+    /* switch off bits we can't support */
+#ifndef USE_NTLM
+    auth &= ~CURLAUTH_NTLM;    /* no NTLM support */
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#elif !defined(NTLM_WB_ENABLED)
+    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
+#endif
+#ifndef USE_SPNEGO
+    auth &= ~CURLAUTH_NEGOTIATE; /* no Negotiate (SPNEGO) auth without
+                                    GSS-API or SSPI */
+#endif
+
+    /* check if any auth bit lower than CURLAUTH_ONLY is still set */
+    bitcheck = 0;
+    authbits = FALSE;
+    while(bitcheck < 31) {
+      if(auth & (1UL << bitcheck++)) {
+        authbits = TRUE;
+        break;
+      }
+    }
+    if(!authbits)
+      return CURLE_NOT_BUILT_IN; /* no supported types left! */
+
+    data->set.proxyauth = auth;
+  }
+  break;
+
+  case CURLOPT_PROXY:
+    /*
+     * Set proxy server:port to use as proxy.
+     *
+     * If the proxy is set to "" (and CURLOPT_SOCKS_PROXY is set to "" or NULL)
+     * we explicitly say that we don't want to use a proxy
+     * (even though there might be environment variables saying so).
+     *
+     * Setting it to NULL, means no proxy but allows the environment variables
+     * to decide for us (if CURLOPT_SOCKS_PROXY setting it to NULL).
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_PRE_PROXY:
+    /*
+     * Set proxy server:port to use as SOCKS proxy.
+     *
+     * If the proxy is set to "" or NULL we explicitly say that we don't want
+     * to use the socks proxy.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PRE_PROXY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_PROXYTYPE:
+    /*
+     * Set proxy type. HTTP/HTTP_1_0/SOCKS4/SOCKS4a/SOCKS5/SOCKS5_HOSTNAME
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLPROXY_HTTP) || (arg > CURLPROXY_SOCKS5_HOSTNAME))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.proxytype = (curl_proxytype)arg;
+    break;
+
+  case CURLOPT_PROXY_TRANSFER_MODE:
+    /*
+     * set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy
+     */
+    switch(va_arg(param, long)) {
+    case 0:
+      data->set.proxy_transfer_mode = FALSE;
+      break;
+    case 1:
+      data->set.proxy_transfer_mode = TRUE;
+      break;
+    default:
+      /* reserve other values for future use */
+      result = CURLE_UNKNOWN_OPTION;
+      break;
+    }
+    break;
+#endif   /* CURL_DISABLE_PROXY */
+
+  case CURLOPT_SOCKS5_AUTH:
+    data->set.socks5auth = va_arg(param, unsigned long);
+    if(data->set.socks5auth & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI))
+      result = CURLE_NOT_BUILT_IN;
+    break;
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+  case CURLOPT_SOCKS5_GSSAPI_NEC:
+    /*
+     * Set flag for NEC SOCK5 support
+     */
+    data->set.socks5_gssapi_nec = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_SOCKS5_GSSAPI_SERVICE:
+  case CURLOPT_PROXY_SERVICE_NAME:
+    /*
+     * Set proxy authentication service name for Kerberos 5 and SPNEGO
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXY_SERVICE_NAME],
+                            va_arg(param, char *));
+    break;
+#endif
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH) || defined(USE_KERBEROS5) ||     \
+  defined(USE_SPNEGO)
+  case CURLOPT_SERVICE_NAME:
+    /*
+     * Set authentication service name for DIGEST-MD5, Kerberos 5 and SPNEGO
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SERVICE_NAME],
+                            va_arg(param, char *));
+    break;
+
+#endif
+
+  case CURLOPT_HEADERDATA:
+    /*
+     * Custom pointer to pass the header write callback function
+     */
+    data->set.writeheader = (void *)va_arg(param, void *);
+    break;
+  case CURLOPT_ERRORBUFFER:
+    /*
+     * Error buffer provided by the caller to get the human readable
+     * error string in.
+     */
+    data->set.errorbuffer = va_arg(param, char *);
+    break;
+  case CURLOPT_WRITEDATA:
+    /*
+     * FILE pointer to write to. Or possibly
+     * used as argument to the write callback.
+     */
+    data->set.out = va_arg(param, void *);
+    break;
+  case CURLOPT_FTPPORT:
+    /*
+     * Use FTP PORT, this also specifies which IP address to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_FTPPORT],
+                            va_arg(param, char *));
+    data->set.ftp_use_port = (data->set.str[STRING_FTPPORT]) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_USE_EPRT:
+    data->set.ftp_use_eprt = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_USE_EPSV:
+    data->set.ftp_use_epsv = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_USE_PRET:
+    data->set.ftp_use_pret = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_SSL_CCC:
+    arg = va_arg(param, long);
+    if((arg < CURLFTPSSL_CCC_NONE) || (arg > CURLFTPSSL_CCC_ACTIVE))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ftp_ccc = (curl_ftpccc)arg;
+    break;
+
+  case CURLOPT_FTP_SKIP_PASV_IP:
+    /*
+     * Enable or disable FTP_SKIP_PASV_IP, which will disable/enable the
+     * bypass of the IP address in PASV responses.
+     */
+    data->set.ftp_skip_ip = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_READDATA:
+    /*
+     * FILE pointer to read the file to be uploaded from. Or possibly
+     * used as argument to the read callback.
+     */
+    data->set.in_set = va_arg(param, void *);
+    break;
+  case CURLOPT_INFILESIZE:
+    /*
+     * If known, this should inform curl about the file size of the
+     * to-be-uploaded file.
+     */
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.filesize = arg;
+    break;
+  case CURLOPT_INFILESIZE_LARGE:
+    /*
+     * If known, this should inform curl about the file size of the
+     * to-be-uploaded file.
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.filesize = bigsize;
+    break;
+  case CURLOPT_LOW_SPEED_LIMIT:
+    /*
+     * The low speed limit that if transfers are below this for
+     * CURLOPT_LOW_SPEED_TIME, the transfer is aborted.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.low_speed_limit = arg;
+    break;
+  case CURLOPT_MAX_SEND_SPEED_LARGE:
+    /*
+     * When transfer uploads are faster then CURLOPT_MAX_SEND_SPEED_LARGE
+     * bytes per second the transfer is throttled..
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_send_speed = bigsize;
+    break;
+  case CURLOPT_MAX_RECV_SPEED_LARGE:
+    /*
+     * When receiving data faster than CURLOPT_MAX_RECV_SPEED_LARGE bytes per
+     * second the transfer is throttled..
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_recv_speed = bigsize;
+    break;
+  case CURLOPT_LOW_SPEED_TIME:
+    /*
+     * The low speed time that if transfers are below the set
+     * CURLOPT_LOW_SPEED_LIMIT during this time, the transfer is aborted.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.low_speed_time = arg;
+    break;
+  case CURLOPT_URL:
+    /*
+     * The URL to fetch.
+     */
+    if(data->change.url_alloc) {
+      /* the already set URL is allocated, free it first! */
+      Curl_safefree(data->change.url);
+      data->change.url_alloc = FALSE;
+    }
+    result = Curl_setstropt(&data->set.str[STRING_SET_URL],
+                            va_arg(param, char *));
+    data->change.url = data->set.str[STRING_SET_URL];
+    break;
+  case CURLOPT_PORT:
+    /*
+     * The port number to use when getting the URL
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.use_port = arg;
+    break;
+  case CURLOPT_TIMEOUT:
+    /*
+     * The maximum time you allow curl to use for a single transfer
+     * operation.
+     */
+    arg = va_arg(param, long);
+    if((arg >= 0) && (arg <= (INT_MAX/1000)))
+      data->set.timeout = arg * 1000;
+    else
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+
+  case CURLOPT_TIMEOUT_MS:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.timeout = arg;
+    break;
+
+  case CURLOPT_CONNECTTIMEOUT:
+    /*
+     * The maximum time you allow curl to use to connect.
+     */
+    arg = va_arg(param, long);
+    if((arg >= 0) && (arg <= (INT_MAX/1000)))
+      data->set.connecttimeout = arg * 1000;
+    else
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    break;
+
+  case CURLOPT_CONNECTTIMEOUT_MS:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.connecttimeout = arg;
+    break;
+
+  case CURLOPT_ACCEPTTIMEOUT_MS:
+    /*
+     * The maximum time you allow curl to wait for server connect
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.accepttimeout = arg;
+    break;
+
+  case CURLOPT_USERPWD:
+    /*
+     * user:password to use in the operation
+     */
+    result = setstropt_userpwd(va_arg(param, char *),
+                               &data->set.str[STRING_USERNAME],
+                               &data->set.str[STRING_PASSWORD]);
+    break;
+
+  case CURLOPT_USERNAME:
+    /*
+     * authentication user name to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_USERNAME],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_PASSWORD:
+    /*
+     * authentication password to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PASSWORD],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_LOGIN_OPTIONS:
+    /*
+     * authentication options to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_OPTIONS],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_XOAUTH2_BEARER:
+    /*
+     * OAuth 2.0 bearer token to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_BEARER],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_POSTQUOTE:
+    /*
+     * List of RAW FTP commands to use after a transfer
+     */
+    data->set.postquote = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_PREQUOTE:
+    /*
+     * List of RAW FTP commands to use prior to RETR (Wesley Laxton)
+     */
+    data->set.prequote = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_QUOTE:
+    /*
+     * List of RAW FTP commands to use before a transfer
+     */
+    data->set.quote = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_RESOLVE:
+    /*
+     * List of NAME:[address] names to populate the DNS cache with
+     * Prefix the NAME with dash (-) to _remove_ the name from the cache.
+     *
+     * Names added with this API will remain in the cache until explicitly
+     * removed or the handle is cleaned up.
+     *
+     * This API can remove any name from the DNS cache, but only entries
+     * that aren't actually in use right now will be pruned immediately.
+     */
+    data->set.resolve = va_arg(param, struct curl_slist *);
+    data->change.resolve = data->set.resolve;
+    break;
+  case CURLOPT_PROGRESSFUNCTION:
+    /*
+     * Progress callback function
+     */
+    data->set.fprogress = va_arg(param, curl_progress_callback);
+    if(data->set.fprogress)
+      data->progress.callback = TRUE; /* no longer internal */
+    else
+      data->progress.callback = FALSE; /* NULL enforces internal */
+    break;
+
+  case CURLOPT_XFERINFOFUNCTION:
+    /*
+     * Transfer info callback function
+     */
+    data->set.fxferinfo = va_arg(param, curl_xferinfo_callback);
+    if(data->set.fxferinfo)
+      data->progress.callback = TRUE; /* no longer internal */
+    else
+      data->progress.callback = FALSE; /* NULL enforces internal */
+
+    break;
+
+  case CURLOPT_PROGRESSDATA:
+    /*
+     * Custom client data to pass to the progress callback
+     */
+    data->set.progress_client = va_arg(param, void *);
+    break;
+
+#ifndef CURL_DISABLE_PROXY
+  case CURLOPT_PROXYUSERPWD:
+    /*
+     * user:password needed to use the proxy
+     */
+    result = setstropt_userpwd(va_arg(param, char *),
+                               &data->set.str[STRING_PROXYUSERNAME],
+                               &data->set.str[STRING_PROXYPASSWORD]);
+    break;
+  case CURLOPT_PROXYUSERNAME:
+    /*
+     * authentication user name to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXYUSERNAME],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXYPASSWORD:
+    /*
+     * authentication password to use in the operation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_PROXYPASSWORD],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_NOPROXY:
+    /*
+     * proxy exception list
+     */
+    result = Curl_setstropt(&data->set.str[STRING_NOPROXY],
+                            va_arg(param, char *));
+    break;
+#endif
+
+  case CURLOPT_RANGE:
+    /*
+     * What range of the file you want to transfer
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SET_RANGE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_RESUME_FROM:
+    /*
+     * Resume transfer at the given file position
+     */
+    arg = va_arg(param, long);
+    if(arg < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.set_resume_from = arg;
+    break;
+  case CURLOPT_RESUME_FROM_LARGE:
+    /*
+     * Resume transfer at the given file position
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < -1)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.set_resume_from = bigsize;
+    break;
+  case CURLOPT_DEBUGFUNCTION:
+    /*
+     * stderr write callback.
+     */
+    data->set.fdebug = va_arg(param, curl_debug_callback);
+    /*
+     * if the callback provided is NULL, it'll use the default callback
+     */
+    break;
+  case CURLOPT_DEBUGDATA:
+    /*
+     * Set to a void * that should receive all error writes. This
+     * defaults to CURLOPT_STDERR for normal operations.
+     */
+    data->set.debugdata = va_arg(param, void *);
+    break;
+  case CURLOPT_STDERR:
+    /*
+     * Set to a FILE * that should receive all error writes. This
+     * defaults to stderr for normal operations.
+     */
+    data->set.err = va_arg(param, FILE *);
+    if(!data->set.err)
+      data->set.err = stderr;
+    break;
+  case CURLOPT_HEADERFUNCTION:
+    /*
+     * Set header write callback
+     */
+    data->set.fwrite_header = va_arg(param, curl_write_callback);
+    break;
+  case CURLOPT_WRITEFUNCTION:
+    /*
+     * Set data write callback
+     */
+    data->set.fwrite_func = va_arg(param, curl_write_callback);
+    if(!data->set.fwrite_func) {
+      data->set.is_fwrite_set = 0;
+      /* When set to NULL, reset to our internal default function */
+      data->set.fwrite_func = (curl_write_callback)fwrite;
+    }
+    else
+      data->set.is_fwrite_set = 1;
+    break;
+  case CURLOPT_READFUNCTION:
+    /*
+     * Read data callback
+     */
+    data->set.fread_func_set = va_arg(param, curl_read_callback);
+    if(!data->set.fread_func_set) {
+      data->set.is_fread_set = 0;
+      /* When set to NULL, reset to our internal default function */
+      data->set.fread_func_set = (curl_read_callback)fread;
+    }
+    else
+      data->set.is_fread_set = 1;
+    break;
+  case CURLOPT_SEEKFUNCTION:
+    /*
+     * Seek callback. Might be NULL.
+     */
+    data->set.seek_func = va_arg(param, curl_seek_callback);
+    break;
+  case CURLOPT_SEEKDATA:
+    /*
+     * Seek control callback. Might be NULL.
+     */
+    data->set.seek_client = va_arg(param, void *);
+    break;
+  case CURLOPT_CONV_FROM_NETWORK_FUNCTION:
+    /*
+     * "Convert from network encoding" callback
+     */
+    data->set.convfromnetwork = va_arg(param, curl_conv_callback);
+    break;
+  case CURLOPT_CONV_TO_NETWORK_FUNCTION:
+    /*
+     * "Convert to network encoding" callback
+     */
+    data->set.convtonetwork = va_arg(param, curl_conv_callback);
+    break;
+  case CURLOPT_CONV_FROM_UTF8_FUNCTION:
+    /*
+     * "Convert from UTF-8 encoding" callback
+     */
+    data->set.convfromutf8 = va_arg(param, curl_conv_callback);
+    break;
+  case CURLOPT_IOCTLFUNCTION:
+    /*
+     * I/O control callback. Might be NULL.
+     */
+    data->set.ioctl_func = va_arg(param, curl_ioctl_callback);
+    break;
+  case CURLOPT_IOCTLDATA:
+    /*
+     * I/O control data pointer. Might be NULL.
+     */
+    data->set.ioctl_client = va_arg(param, void *);
+    break;
+  case CURLOPT_SSLCERT:
+    /*
+     * String that holds file name of the SSL certificate to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLCERT:
+    /*
+     * String that holds file name of the SSL certificate to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLCERTTYPE:
+    /*
+     * String that holds file type of the SSL certificate to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_TYPE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLCERTTYPE:
+    /*
+     * String that holds file type of the SSL certificate to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_CERT_TYPE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLKEY:
+    /*
+     * String that holds file name of the SSL key to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLKEY:
+    /*
+     * String that holds file name of the SSL key to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLKEYTYPE:
+    /*
+     * String that holds file type of the SSL key to use
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_TYPE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_SSLKEYTYPE:
+    /*
+     * String that holds file type of the SSL key to use for proxy
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_TYPE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_KEYPASSWD:
+    /*
+     * String that holds the SSL or SSH private key password.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_PASSWD_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_KEYPASSWD:
+    /*
+     * String that holds the SSL private key password for proxy.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KEY_PASSWD_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSLENGINE:
+    /*
+     * String that holds the SSL crypto engine.
+     */
+    argptr = va_arg(param, char *);
+    if(argptr && argptr[0])
+      result = Curl_ssl_set_engine(data, argptr);
+    break;
+
+  case CURLOPT_SSLENGINE_DEFAULT:
+    /*
+     * flag to set engine as default.
+     */
+    result = Curl_ssl_set_engine_default(data);
+    break;
+  case CURLOPT_CRLF:
+    /*
+     * Kludgy option to enable CRLF conversions. Subject for removal.
+     */
+    data->set.crlf = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_INTERFACE:
+    /*
+     * Set what interface or address/hostname to bind the socket to when
+     * performing an operation and thus what from-IP your connection will use.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_DEVICE],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_LOCALPORT:
+    /*
+     * Set what local port to bind the socket to when performing an operation.
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.localport = curlx_sltous(arg);
+    break;
+  case CURLOPT_LOCALPORTRANGE:
+    /*
+     * Set number of local ports to try, starting with CURLOPT_LOCALPORT.
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 65535))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.localportrange = curlx_sltosi(arg);
+    break;
+  case CURLOPT_KRBLEVEL:
+    /*
+     * A string that defines the kerberos security level.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_KRB_LEVEL],
+                            va_arg(param, char *));
+    data->set.krb = (data->set.str[STRING_KRB_LEVEL]) ? TRUE : FALSE;
+    break;
+  case CURLOPT_GSSAPI_DELEGATION:
+    /*
+     * GSS-API credential delegation bitmask
+     */
+    arg = va_arg(param, long);
+    if(arg < CURLGSSAPI_DELEGATION_NONE)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.gssapi_delegation = arg;
+    break;
+  case CURLOPT_SSL_VERIFYPEER:
+    /*
+     * Enable peer SSL verifying.
+     */
+    data->set.ssl.primary.verifypeer = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+
+    /* Update the current connection ssl_config. */
+    if(data->easy_conn) {
+      data->easy_conn->ssl_config.verifypeer =
+        data->set.ssl.primary.verifypeer;
+    }
+    break;
+  case CURLOPT_PROXY_SSL_VERIFYPEER:
+    /*
+     * Enable peer SSL verifying for proxy.
+     */
+    data->set.proxy_ssl.primary.verifypeer =
+      (0 != va_arg(param, long))?TRUE:FALSE;
+
+    /* Update the current connection proxy_ssl_config. */
+    if(data->easy_conn) {
+      data->easy_conn->proxy_ssl_config.verifypeer =
+        data->set.proxy_ssl.primary.verifypeer;
+    }
+    break;
+  case CURLOPT_SSL_VERIFYHOST:
+    /*
+     * Enable verification of the host name in the peer certificate
+     */
+    arg = va_arg(param, long);
+
+    /* Obviously people are not reading documentation and too many thought
+       this argument took a boolean when it wasn't and misused it. We thus ban
+       1 as a sensible input and we warn about its use. Then we only have the
+       2 action internally stored as TRUE. */
+
+    if(1 == arg) {
+      failf(data, "CURLOPT_SSL_VERIFYHOST no longer supports 1 as value!");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+
+    data->set.ssl.primary.verifyhost = (0 != arg) ? TRUE : FALSE;
+
+    /* Update the current connection ssl_config. */
+    if(data->easy_conn) {
+      data->easy_conn->ssl_config.verifyhost =
+        data->set.ssl.primary.verifyhost;
+    }
+    break;
+  case CURLOPT_PROXY_SSL_VERIFYHOST:
+    /*
+     * Enable verification of the host name in the peer certificate for proxy
+     */
+    arg = va_arg(param, long);
+
+    /* Obviously people are not reading documentation and too many thought
+       this argument took a boolean when it wasn't and misused it. We thus ban
+       1 as a sensible input and we warn about its use. Then we only have the
+       2 action internally stored as TRUE. */
+
+    if(1 == arg) {
+      failf(data, "CURLOPT_SSL_VERIFYHOST no longer supports 1 as value!");
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    }
+
+    data->set.proxy_ssl.primary.verifyhost = (0 != arg)?TRUE:FALSE;
+
+    /* Update the current connection proxy_ssl_config. */
+    if(data->easy_conn) {
+      data->easy_conn->proxy_ssl_config.verifyhost =
+        data->set.proxy_ssl.primary.verifyhost;
+    }
+    break;
+  case CURLOPT_SSL_VERIFYSTATUS:
+    /*
+     * Enable certificate status verifying.
+     */
+    if(!Curl_ssl_cert_status_request()) {
+      result = CURLE_NOT_BUILT_IN;
+      break;
+    }
+
+    data->set.ssl.primary.verifystatus = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+
+    /* Update the current connection ssl_config. */
+    if(data->easy_conn) {
+      data->easy_conn->ssl_config.verifystatus =
+        data->set.ssl.primary.verifystatus;
+    }
+    break;
+  case CURLOPT_SSL_CTX_FUNCTION:
+    /*
+     * Set a SSL_CTX callback
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->have_ssl_ctx)
+      data->set.ssl.fsslctx = va_arg(param, curl_ssl_ctx_callback);
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_SSL_CTX_DATA:
+    /*
+     * Set a SSL_CTX callback parameter pointer
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->have_ssl_ctx)
+      data->set.ssl.fsslctxp = va_arg(param, void *);
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_SSL_FALSESTART:
+    /*
+     * Enable TLS false start.
+     */
+    if(!Curl_ssl_false_start()) {
+      result = CURLE_NOT_BUILT_IN;
+      break;
+    }
+
+    data->set.ssl.falsestart = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_CERTINFO:
+#ifdef USE_SSL
+    if(Curl_ssl->have_certinfo)
+      data->set.ssl.certinfo = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+        break;
+  case CURLOPT_PINNEDPUBLICKEY:
+    /*
+     * Set pinned public key for SSL connection.
+     * Specify file name of the public key in DER format.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->have_pinnedpubkey)
+      result = Curl_setstropt(&data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_PROXY_PINNEDPUBLICKEY:
+    /*
+     * Set pinned public key for SSL connection.
+     * Specify file name of the public key in DER format.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->have_pinnedpubkey)
+      result = Curl_setstropt(&data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_CAINFO:
+    /*
+     * Set CA info for SSL connection. Specify file name of the CA certificate
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CAFILE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_CAINFO:
+    /*
+     * Set CA info SSL connection for proxy. Specify file name of the
+     * CA certificate
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CAFILE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_CAPATH:
+    /*
+     * Set CA path info for SSL connection. Specify directory name of the CA
+     * certificates which have been prepared using openssl c_rehash utility.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->have_ca_path)
+      /* This does not work on windows. */
+      result = Curl_setstropt(&data->set.str[STRING_SSL_CAPATH_ORIG],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_PROXY_CAPATH:
+    /*
+     * Set CA path info for SSL connection proxy. Specify directory name of the
+     * CA certificates which have been prepared using openssl c_rehash utility.
+     */
+#ifdef USE_SSL
+    if(Curl_ssl->have_ca_path)
+      /* This does not work on windows. */
+      result = Curl_setstropt(&data->set.str[STRING_SSL_CAPATH_PROXY],
+                              va_arg(param, char *));
+    else
+#endif
+      result = CURLE_NOT_BUILT_IN;
+    break;
+  case CURLOPT_CRLFILE:
+    /*
+     * Set CRL file info for SSL connection. Specify file name of the CRL
+     * to check certificates revocation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CRLFILE_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_PROXY_CRLFILE:
+    /*
+     * Set CRL file info for SSL connection for proxy. Specify file name of the
+     * CRL to check certificates revocation
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_CRLFILE_PROXY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_ISSUERCERT:
+    /*
+     * Set Issuer certificate file
+     * to check certificates issuer
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSL_ISSUERCERT_ORIG],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_TELNETOPTIONS:
+    /*
+     * Set a linked list of telnet options
+     */
+    data->set.telnet_options = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_BUFFERSIZE:
+    /*
+     * The application kindly asks for a differently sized receive buffer.
+     * If it seems reasonable, we'll use it.
+     */
+    arg = va_arg(param, long);
+
+    if(arg > READBUFFER_MAX)
+      arg = READBUFFER_MAX;
+    else if(arg < 1)
+      arg = READBUFFER_SIZE;
+    else if(arg < READBUFFER_MIN)
+      arg = READBUFFER_MIN;
+
+    /* Resize if new size */
+    if(arg != data->set.buffer_size) {
+      char *newbuff = realloc(data->state.buffer, arg + 1);
+      if(!newbuff) {
+        DEBUGF(fprintf(stderr, "Error: realloc of buffer failed\n"));
+        result = CURLE_OUT_OF_MEMORY;
+      }
+      else
+        data->state.buffer = newbuff;
+    }
+    data->set.buffer_size = arg;
+
+    break;
+
+  case CURLOPT_NOSIGNAL:
+    /*
+     * The application asks not to set any signal() or alarm() handlers,
+     * even when using a timeout.
+     */
+    data->set.no_signal = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_SHARE:
+  {
+    struct Curl_share *set;
+    set = va_arg(param, struct Curl_share *);
+
+    /* disconnect from old share, if any */
+    if(data->share) {
+      Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
+
+      if(data->dns.hostcachetype == HCACHE_SHARED) {
+        data->dns.hostcache = NULL;
+        data->dns.hostcachetype = HCACHE_NONE;
+      }
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(data->share->cookies == data->cookies)
+        data->cookies = NULL;
+#endif
+
+      if(data->share->sslsession == data->state.session)
+        data->state.session = NULL;
+
+      data->share->dirty--;
+
+      Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
+      data->share = NULL;
+    }
+
+    /* use new share if it set */
+    data->share = set;
+    if(data->share) {
+
+      Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
+
+      data->share->dirty++;
+
+      if(data->share->specifier & (1<< CURL_LOCK_DATA_DNS)) {
+        /* use shared host cache */
+        data->dns.hostcache = &data->share->hostcache;
+        data->dns.hostcachetype = HCACHE_SHARED;
+      }
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(data->share->cookies) {
+        /* use shared cookie list, first free own one if any */
+        Curl_cookie_cleanup(data->cookies);
+        /* enable cookies since we now use a share that uses cookies! */
+        data->cookies = data->share->cookies;
+      }
+#endif   /* CURL_DISABLE_HTTP */
+      if(data->share->sslsession) {
+        data->set.general_ssl.max_ssl_sessions = data->share->max_ssl_sessions;
+        data->state.session = data->share->sslsession;
+      }
+      Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
+
+    }
+    /* check for host cache not needed,
+     * it will be done by curl_easy_perform */
+  }
+  break;
+
+  case CURLOPT_PRIVATE:
+    /*
+     * Set private data pointer.
+     */
+    data->set.private_data = va_arg(param, void *);
+    break;
+
+  case CURLOPT_MAXFILESIZE:
+    /*
+     * Set the maximum size of a file to download.
+     */
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_filesize = arg;
+    break;
+
+#ifdef USE_SSL
+  case CURLOPT_USE_SSL:
+    /*
+     * Make transfers attempt to use SSL/TLS.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLUSESSL_NONE) || (arg > CURLUSESSL_ALL))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.use_ssl = (curl_usessl)arg;
+    break;
+
+  case CURLOPT_SSL_OPTIONS:
+    arg = va_arg(param, long);
+    data->set.ssl.enable_beast = arg&CURLSSLOPT_ALLOW_BEAST?TRUE:FALSE;
+    data->set.ssl.no_revoke = !!(arg & CURLSSLOPT_NO_REVOKE);
+    break;
+
+  case CURLOPT_PROXY_SSL_OPTIONS:
+    arg = va_arg(param, long);
+    data->set.proxy_ssl.enable_beast = arg&CURLSSLOPT_ALLOW_BEAST?TRUE:FALSE;
+    data->set.proxy_ssl.no_revoke = !!(arg & CURLSSLOPT_NO_REVOKE);
+    break;
+
+#endif
+  case CURLOPT_FTPSSLAUTH:
+    /*
+     * Set a specific auth for FTP-SSL transfers.
+     */
+    arg = va_arg(param, long);
+    if((arg < CURLFTPAUTH_DEFAULT) || (arg > CURLFTPAUTH_TLS))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ftpsslauth = (curl_ftpauth)arg;
+    break;
+
+  case CURLOPT_IPRESOLVE:
+    arg = va_arg(param, long);
+    if((arg < CURL_IPRESOLVE_WHATEVER) || (arg > CURL_IPRESOLVE_V6))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.ipver = arg;
+    break;
+
+  case CURLOPT_MAXFILESIZE_LARGE:
+    /*
+     * Set the maximum size of a file to download.
+     */
+    bigsize = va_arg(param, curl_off_t);
+    if(bigsize < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.max_filesize = bigsize;
+    break;
+
+  case CURLOPT_TCP_NODELAY:
+    /*
+     * Enable or disable TCP_NODELAY, which will disable/enable the Nagle
+     * algorithm
+     */
+    data->set.tcp_nodelay = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_ACCOUNT:
+    result = Curl_setstropt(&data->set.str[STRING_FTP_ACCOUNT],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_IGNORE_CONTENT_LENGTH:
+    data->set.ignorecl = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_CONNECT_ONLY:
+    /*
+     * No data transfer, set up connection and let application use the socket
+     */
+    data->set.connect_only = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_FTP_ALTERNATIVE_TO_USER:
+    result = Curl_setstropt(&data->set.str[STRING_FTP_ALTERNATIVE_TO_USER],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SOCKOPTFUNCTION:
+    /*
+     * socket callback function: called after socket() but before connect()
+     */
+    data->set.fsockopt = va_arg(param, curl_sockopt_callback);
+    break;
+
+  case CURLOPT_SOCKOPTDATA:
+    /*
+     * socket callback data pointer. Might be NULL.
+     */
+    data->set.sockopt_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_OPENSOCKETFUNCTION:
+    /*
+     * open/create socket callback function: called instead of socket(),
+     * before connect()
+     */
+    data->set.fopensocket = va_arg(param, curl_opensocket_callback);
+    break;
+
+  case CURLOPT_OPENSOCKETDATA:
+    /*
+     * socket callback data pointer. Might be NULL.
+     */
+    data->set.opensocket_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_CLOSESOCKETFUNCTION:
+    /*
+     * close socket callback function: called instead of close()
+     * when shutting down a connection
+     */
+    data->set.fclosesocket = va_arg(param, curl_closesocket_callback);
+    break;
+
+  case CURLOPT_CLOSESOCKETDATA:
+    /*
+     * socket callback data pointer. Might be NULL.
+     */
+    data->set.closesocket_client = va_arg(param, void *);
+    break;
+
+  case CURLOPT_SSL_SESSIONID_CACHE:
+    data->set.ssl.primary.sessionid = (0 != va_arg(param, long)) ?
+      TRUE : FALSE;
+    data->set.proxy_ssl.primary.sessionid = data->set.ssl.primary.sessionid;
+    break;
+
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
+    /* we only include SSH options if explicitly built to support SSH */
+  case CURLOPT_SSH_AUTH_TYPES:
+    data->set.ssh_auth_types = va_arg(param, long);
+    break;
+
+  case CURLOPT_SSH_PUBLIC_KEYFILE:
+    /*
+     * Use this file instead of the $HOME/.ssh/id_dsa.pub file
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_PUBLIC_KEY],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SSH_PRIVATE_KEYFILE:
+    /*
+     * Use this file instead of the $HOME/.ssh/id_dsa file
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_PRIVATE_KEY],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
+    /*
+     * Option to allow for the MD5 of the host public key to be checked
+     * for validation purposes.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5],
+                            va_arg(param, char *));
+    break;
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+  case CURLOPT_SSH_KNOWNHOSTS:
+    /*
+     * Store the file name to read known hosts from.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_SSH_KNOWNHOSTS],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_SSH_KEYFUNCTION:
+    /* setting to NULL is fine since the ssh.c functions themselves will
+       then rever to use the internal default */
+    data->set.ssh_keyfunc = va_arg(param, curl_sshkeycallback);
+    break;
+
+  case CURLOPT_SSH_KEYDATA:
+    /*
+     * Custom client data to pass to the SSH keyfunc callback
+     */
+    data->set.ssh_keyfunc_userp = va_arg(param, void *);
+    break;
+#endif /* HAVE_LIBSSH2_KNOWNHOST_API */
+#endif /* USE_LIBSSH2 */
+
+  case CURLOPT_HTTP_TRANSFER_DECODING:
+    /*
+     * disable libcurl transfer encoding is used
+     */
+    data->set.http_te_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_HTTP_CONTENT_DECODING:
+    /*
+     * raw data passed to the application when content encoding is used
+     */
+    data->set.http_ce_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_NEW_FILE_PERMS:
+    /*
+     * Uses these permissions instead of 0644
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 0777))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.new_file_perms = arg;
+    break;
+
+  case CURLOPT_NEW_DIRECTORY_PERMS:
+    /*
+     * Uses these permissions instead of 0755
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 0777))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.new_directory_perms = arg;
+    break;
+
+  case CURLOPT_ADDRESS_SCOPE:
+    /*
+     * We always get longs when passed plain numericals, but for this value we
+     * know that an unsigned int will always hold the value so we blindly
+     * typecast to this type
+     */
+    arg = va_arg(param, long);
+    if((arg < 0) || (arg > 0xf))
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.scope_id = curlx_sltoui(arg);
+    break;
+
+  case CURLOPT_PROTOCOLS:
+    /* set the bitmask for the protocols that are allowed to be used for the
+       transfer, which thus helps the app which takes URLs from users or other
+       external inputs and want to restrict what protocol(s) to deal
+       with. Defaults to CURLPROTO_ALL. */
+    data->set.allowed_protocols = va_arg(param, long);
+    break;
+
+  case CURLOPT_REDIR_PROTOCOLS:
+    /* set the bitmask for the protocols that libcurl is allowed to follow to,
+       as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
+       to be set in both bitmasks to be allowed to get redirected to. Defaults
+       to all protocols except FILE and SCP. */
+    data->set.redir_protocols = va_arg(param, long);
+    break;
+
+  case CURLOPT_DEFAULT_PROTOCOL:
+    /* Set the protocol to use when the URL doesn't include any protocol */
+    result = Curl_setstropt(&data->set.str[STRING_DEFAULT_PROTOCOL],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_MAIL_FROM:
+    /* Set the SMTP mail originator */
+    result = Curl_setstropt(&data->set.str[STRING_MAIL_FROM],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_MAIL_AUTH:
+    /* Set the SMTP auth originator */
+    result = Curl_setstropt(&data->set.str[STRING_MAIL_AUTH],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_MAIL_RCPT:
+    /* Set the list of mail recipients */
+    data->set.mail_rcpt = va_arg(param, struct curl_slist *);
+    break;
+
+  case CURLOPT_SASL_IR:
+    /* Enable/disable SASL initial response */
+    data->set.sasl_ir = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+  case CURLOPT_RTSP_REQUEST:
+  {
+    /*
+     * Set the RTSP request method (OPTIONS, SETUP, PLAY, etc...)
+     * Would this be better if the RTSPREQ_* were just moved into here?
+     */
+    long curl_rtspreq = va_arg(param, long);
+    Curl_RtspReq rtspreq = RTSPREQ_NONE;
+    switch(curl_rtspreq) {
+    case CURL_RTSPREQ_OPTIONS:
+      rtspreq = RTSPREQ_OPTIONS;
+      break;
+
+    case CURL_RTSPREQ_DESCRIBE:
+      rtspreq = RTSPREQ_DESCRIBE;
+      break;
+
+    case CURL_RTSPREQ_ANNOUNCE:
+      rtspreq = RTSPREQ_ANNOUNCE;
+      break;
+
+    case CURL_RTSPREQ_SETUP:
+      rtspreq = RTSPREQ_SETUP;
+      break;
+
+    case CURL_RTSPREQ_PLAY:
+      rtspreq = RTSPREQ_PLAY;
+      break;
+
+    case CURL_RTSPREQ_PAUSE:
+      rtspreq = RTSPREQ_PAUSE;
+      break;
+
+    case CURL_RTSPREQ_TEARDOWN:
+      rtspreq = RTSPREQ_TEARDOWN;
+      break;
+
+    case CURL_RTSPREQ_GET_PARAMETER:
+      rtspreq = RTSPREQ_GET_PARAMETER;
+      break;
+
+    case CURL_RTSPREQ_SET_PARAMETER:
+      rtspreq = RTSPREQ_SET_PARAMETER;
+      break;
+
+    case CURL_RTSPREQ_RECORD:
+      rtspreq = RTSPREQ_RECORD;
+      break;
+
+    case CURL_RTSPREQ_RECEIVE:
+      rtspreq = RTSPREQ_RECEIVE;
+      break;
+    default:
+      rtspreq = RTSPREQ_NONE;
+    }
+
+    data->set.rtspreq = rtspreq;
+    break;
+  }
+
+
+  case CURLOPT_RTSP_SESSION_ID:
+    /*
+     * Set the RTSP Session ID manually. Useful if the application is
+     * resuming a previously established RTSP session
+     */
+    result = Curl_setstropt(&data->set.str[STRING_RTSP_SESSION_ID],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RTSP_STREAM_URI:
+    /*
+     * Set the Stream URI for the RTSP request. Unless the request is
+     * for generic server options, the application will need to set this.
+     */
+    result = Curl_setstropt(&data->set.str[STRING_RTSP_STREAM_URI],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RTSP_TRANSPORT:
+    /*
+     * The content of the Transport: header for the RTSP request
+     */
+    result = Curl_setstropt(&data->set.str[STRING_RTSP_TRANSPORT],
+                            va_arg(param, char *));
+    break;
+
+  case CURLOPT_RTSP_CLIENT_CSEQ:
+    /*
+     * Set the CSEQ number to issue for the next RTSP request. Useful if the
+     * application is resuming a previously broken connection. The CSEQ
+     * will increment from this new number henceforth.
+     */
+    data->state.rtsp_next_client_CSeq = va_arg(param, long);
+    break;
+
+  case CURLOPT_RTSP_SERVER_CSEQ:
+    /* Same as the above, but for server-initiated requests */
+    data->state.rtsp_next_client_CSeq = va_arg(param, long);
+    break;
+
+  case CURLOPT_INTERLEAVEDATA:
+    data->set.rtp_out = va_arg(param, void *);
+    break;
+  case CURLOPT_INTERLEAVEFUNCTION:
+    /* Set the user defined RTP write function */
+    data->set.fwrite_rtp = va_arg(param, curl_write_callback);
+    break;
+
+  case CURLOPT_WILDCARDMATCH:
+    data->set.wildcard_enabled = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_CHUNK_BGN_FUNCTION:
+    data->set.chunk_bgn = va_arg(param, curl_chunk_bgn_callback);
+    break;
+  case CURLOPT_CHUNK_END_FUNCTION:
+    data->set.chunk_end = va_arg(param, curl_chunk_end_callback);
+    break;
+  case CURLOPT_FNMATCH_FUNCTION:
+    data->set.fnmatch = va_arg(param, curl_fnmatch_callback);
+    break;
+  case CURLOPT_CHUNK_DATA:
+    data->wildcard.customptr = va_arg(param, void *);
+    break;
+  case CURLOPT_FNMATCH_DATA:
+    data->set.fnmatch_data = va_arg(param, void *);
+    break;
+#ifdef USE_TLS_SRP
+  case CURLOPT_TLSAUTH_USERNAME:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_USERNAME_ORIG],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_ORIG] && !data->set.ssl.authtype)
+      data->set.ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_PROXY_TLSAUTH_USERNAME:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_USERNAME_PROXY],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_PROXY] &&
+       !data->set.proxy_ssl.authtype)
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_TLSAUTH_PASSWORD:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_PASSWORD_ORIG],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_ORIG] && !data->set.ssl.authtype)
+      data->set.ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_PROXY_TLSAUTH_PASSWORD:
+    result = Curl_setstropt(&data->set.str[STRING_TLSAUTH_PASSWORD_PROXY],
+                            va_arg(param, char *));
+    if(data->set.str[STRING_TLSAUTH_USERNAME_PROXY] &&
+       !data->set.proxy_ssl.authtype)
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
+    break;
+  case CURLOPT_TLSAUTH_TYPE:
+    argptr = va_arg(param, char *);
+    if(!argptr ||
+       strncasecompare(argptr, "SRP", strlen("SRP")))
+      data->set.ssl.authtype = CURL_TLSAUTH_SRP;
+    else
+      data->set.ssl.authtype = CURL_TLSAUTH_NONE;
+    break;
+  case CURLOPT_PROXY_TLSAUTH_TYPE:
+    argptr = va_arg(param, char *);
+    if(!argptr ||
+       strncasecompare(argptr, "SRP", strlen("SRP")))
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP;
+    else
+      data->set.proxy_ssl.authtype = CURL_TLSAUTH_NONE;
+    break;
+#endif
+  case CURLOPT_DNS_SERVERS:
+    result = Curl_set_dns_servers(data, va_arg(param, char *));
+    break;
+  case CURLOPT_DNS_INTERFACE:
+    result = Curl_set_dns_interface(data, va_arg(param, char *));
+    break;
+  case CURLOPT_DNS_LOCAL_IP4:
+    result = Curl_set_dns_local_ip4(data, va_arg(param, char *));
+    break;
+  case CURLOPT_DNS_LOCAL_IP6:
+    result = Curl_set_dns_local_ip6(data, va_arg(param, char *));
+    break;
+
+  case CURLOPT_TCP_KEEPALIVE:
+    data->set.tcp_keepalive = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_TCP_KEEPIDLE:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.tcp_keepidle = arg;
+    break;
+  case CURLOPT_TCP_KEEPINTVL:
+    arg = va_arg(param, long);
+    if(arg < 0)
+      return CURLE_BAD_FUNCTION_ARGUMENT;
+    data->set.tcp_keepintvl = arg;
+    break;
+  case CURLOPT_TCP_FASTOPEN:
+#if defined(CONNECT_DATA_IDEMPOTENT) || defined(MSG_FASTOPEN) || \
+   defined(TCP_FASTOPEN_CONNECT)
+    data->set.tcp_fastopen = (0 != va_arg(param, long))?TRUE:FALSE;
+#else
+    result = CURLE_NOT_BUILT_IN;
+#endif
+    break;
+  case CURLOPT_SSL_ENABLE_NPN:
+    data->set.ssl_enable_npn = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_SSL_ENABLE_ALPN:
+    data->set.ssl_enable_alpn = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+
+#ifdef USE_UNIX_SOCKETS
+  case CURLOPT_UNIX_SOCKET_PATH:
+    data->set.abstract_unix_socket = FALSE;
+    result = Curl_setstropt(&data->set.str[STRING_UNIX_SOCKET_PATH],
+                            va_arg(param, char *));
+    break;
+  case CURLOPT_ABSTRACT_UNIX_SOCKET:
+    data->set.abstract_unix_socket = TRUE;
+    result = Curl_setstropt(&data->set.str[STRING_UNIX_SOCKET_PATH],
+                            va_arg(param, char *));
+    break;
+#endif
+
+  case CURLOPT_PATH_AS_IS:
+    data->set.path_as_is = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_PIPEWAIT:
+    data->set.pipewait = (0 != va_arg(param, long)) ? TRUE : FALSE;
+    break;
+  case CURLOPT_STREAM_WEIGHT:
+#ifndef USE_NGHTTP2
+    return CURLE_NOT_BUILT_IN;
+#else
+    arg = va_arg(param, long);
+    if((arg >= 1) && (arg <= 256))
+      data->set.stream_weight = (int)arg;
+    break;
+#endif
+  case CURLOPT_STREAM_DEPENDS:
+  case CURLOPT_STREAM_DEPENDS_E:
+  {
+#ifndef USE_NGHTTP2
+    return CURLE_NOT_BUILT_IN;
+#else
+    struct Curl_easy *dep = va_arg(param, struct Curl_easy *);
+    if(!dep || GOOD_EASY_HANDLE(dep)) {
+      if(data->set.stream_depends_on) {
+        Curl_http2_remove_child(data->set.stream_depends_on, data);
+      }
+      Curl_http2_add_child(dep, data, (option == CURLOPT_STREAM_DEPENDS_E));
+    }
+    break;
+#endif
+  }
+  case CURLOPT_CONNECT_TO:
+    data->set.connect_to = va_arg(param, struct curl_slist *);
+    break;
+  case CURLOPT_SUPPRESS_CONNECT_HEADERS:
+    data->set.suppress_connect_headers = (0 != va_arg(param, long))?TRUE:FALSE;
+    break;
+  case CURLOPT_SSH_COMPRESSION:
+    data->set.ssh_compression = (0 != va_arg(param, long))?TRUE:FALSE;
+    break;
+  default:
+    /* unknown tag and its companion, just ignore: */
+    result = CURLE_UNKNOWN_OPTION;
+    break;
+  }
+
+  return result;
+}
+
+/*
+ * curl_easy_setopt() is the external interface for setting options on an
+ * easy handle.
+ */
+
+#undef curl_easy_setopt
+CURLcode curl_easy_setopt(struct Curl_easy *data, CURLoption tag, ...)
+{
+  va_list arg;
+  CURLcode result;
+
+  if(!data)
+    return CURLE_BAD_FUNCTION_ARGUMENT;
+
+  va_start(arg, tag);
+
+  result = Curl_vsetopt(data, tag, arg);
+
+  va_end(arg);
+  return result;
+}
diff --git a/Utilities/cmcurl/lib/setopt.h b/Utilities/cmcurl/lib/setopt.h
new file mode 100644
index 0000000000..c658e04aeb
--- /dev/null
+++ b/Utilities/cmcurl/lib/setopt.h
@@ -0,0 +1,29 @@
+#ifndef HEADER_CURL_SETOPT_H
+#define HEADER_CURL_SETOPT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+CURLcode Curl_setstropt(char **charp, const char *s);
+CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option,
+                      va_list arg);
+
+#endif /* HEADER_CURL_SETOPT_H */
diff --git a/Utilities/cmcurl/lib/sha256.c b/Utilities/cmcurl/lib/sha256.c
new file mode 100644
index 0000000000..cd81c02541
--- /dev/null
+++ b/Utilities/cmcurl/lib/sha256.c
@@ -0,0 +1,262 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Florin Petriuc, <petriuc.florin@gmail.com>
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+#include "warnless.h"
+#include "curl_sha256.h"
+
+#if defined(USE_OPENSSL)
+
+/* When OpenSSL is available we use the SHA256-function from OpenSSL */
+#include <openssl/sha.h>
+
+#else
+
+/* When no other crypto library is available we use this code segment */
+
+/* ===== start - public domain SHA256 implementation ===== */
+/* This is based on SHA256 implementation in LibTomCrypt that was released into
+ * public domain by Tom St Denis. */
+
+#define WPA_GET_BE32(a) ((((unsigned long)(a)[0]) << 24) | \
+                         (((unsigned long)(a)[1]) << 16) | \
+                         (((unsigned long)(a)[2]) <<  8) | \
+                          ((unsigned long)(a)[3]))
+#define WPA_PUT_BE32(a, val)                                        \
+do {                                                                \
+  (a)[0] = (unsigned char)((((unsigned long) (val)) >> 24) & 0xff); \
+  (a)[1] = (unsigned char)((((unsigned long) (val)) >> 16) & 0xff); \
+  (a)[2] = (unsigned char)((((unsigned long) (val)) >> 8) & 0xff);  \
+  (a)[3] = (unsigned char)(((unsigned long) (val)) & 0xff);         \
+} while(0)
+
+#ifdef HAVE_LONGLONG
+#define WPA_PUT_BE64(a, val)                                    \
+do {                                                            \
+  (a)[0] = (unsigned char)(((unsigned long long)(val)) >> 56);  \
+  (a)[1] = (unsigned char)(((unsigned long long)(val)) >> 48);  \
+  (a)[2] = (unsigned char)(((unsigned long long)(val)) >> 40);  \
+  (a)[3] = (unsigned char)(((unsigned long long)(val)) >> 32);  \
+  (a)[4] = (unsigned char)(((unsigned long long)(val)) >> 24);  \
+  (a)[5] = (unsigned char)(((unsigned long long)(val)) >> 16);  \
+  (a)[6] = (unsigned char)(((unsigned long long)(val)) >> 8);   \
+  (a)[7] = (unsigned char)(((unsigned long long)(val)) & 0xff); \
+} while(0)
+#else
+#define WPA_PUT_BE64(a, val)                                  \
+do {                                                          \
+  (a)[0] = (unsigned char)(((unsigned __int64)(val)) >> 56);  \
+  (a)[1] = (unsigned char)(((unsigned __int64)(val)) >> 48);  \
+  (a)[2] = (unsigned char)(((unsigned __int64)(val)) >> 40);  \
+  (a)[3] = (unsigned char)(((unsigned __int64)(val)) >> 32);  \
+  (a)[4] = (unsigned char)(((unsigned __int64)(val)) >> 24);  \
+  (a)[5] = (unsigned char)(((unsigned __int64)(val)) >> 16);  \
+  (a)[6] = (unsigned char)(((unsigned __int64)(val)) >> 8);   \
+  (a)[7] = (unsigned char)(((unsigned __int64)(val)) & 0xff); \
+} while(0)
+#endif
+
+typedef struct sha256_state {
+#ifdef HAVE_LONGLONG
+  unsigned long long length;
+#else
+  unsigned __int64 length;
+#endif
+  unsigned long state[8], curlen;
+  unsigned char buf[64];
+} SHA256_CTX;
+/* the K array */
+static const unsigned long K[64] = {
+  0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
+  0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
+  0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
+  0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
+  0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
+  0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
+  0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
+  0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
+  0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
+  0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
+  0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
+  0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
+  0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
+};
+/* Various logical functions */
+#define RORc(x, y) \
+(((((unsigned long)(x) & 0xFFFFFFFFUL) >> (unsigned long)((y) & 31)) | \
+   ((unsigned long)(x) << (unsigned long)(32 - ((y) & 31)))) & 0xFFFFFFFFUL)
+#define Ch(x,y,z)   (z ^ (x & (y ^ z)))
+#define Maj(x,y,z)  (((x | y) & z) | (x & y))
+#define S(x, n)     RORc((x), (n))
+#define R(x, n)     (((x)&0xFFFFFFFFUL)>>(n))
+#define Sigma0(x)   (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+#define Sigma1(x)   (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+#define Gamma0(x)   (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+#define Gamma1(x)   (S(x, 17) ^ S(x, 19) ^ R(x, 10))
+#ifndef MIN
+#define MIN(x, y)   (((x) < (y)) ? (x) : (y))
+#endif
+/* compress 512-bits */
+static int sha256_compress(struct sha256_state *md,
+                           unsigned char *buf)
+{
+  unsigned long S[8], W[64], t0, t1;
+  unsigned long t;
+  int i;
+  /* copy state into S */
+  for(i = 0; i < 8; i++) {
+    S[i] = md->state[i];
+  }
+  /* copy the state into 512-bits into W[0..15] */
+  for(i = 0; i < 16; i++)
+    W[i] = WPA_GET_BE32(buf + (4 * i));
+  /* fill W[16..63] */
+  for(i = 16; i < 64; i++) {
+    W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
+      W[i - 16];
+  }
+  /* Compress */
+#define RND(a,b,c,d,e,f,g,h,i)                    \
+  t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
+  t1 = Sigma0(a) + Maj(a, b, c);                  \
+  d += t0;                                        \
+  h = t0 + t1;
+  for(i = 0; i < 64; ++i) {
+    RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i);
+    t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
+    S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
+  }
+  /* feedback */
+  for(i = 0; i < 8; i++) {
+    md->state[i] = md->state[i] + S[i];
+  }
+  return 0;
+}
+/* Initialize the hash state */
+static void SHA256_Init(struct sha256_state *md)
+{
+  md->curlen = 0;
+  md->length = 0;
+  md->state[0] = 0x6A09E667UL;
+  md->state[1] = 0xBB67AE85UL;
+  md->state[2] = 0x3C6EF372UL;
+  md->state[3] = 0xA54FF53AUL;
+  md->state[4] = 0x510E527FUL;
+  md->state[5] = 0x9B05688CUL;
+  md->state[6] = 0x1F83D9ABUL;
+  md->state[7] = 0x5BE0CD19UL;
+}
+/**
+   Process a block of memory though the hash
+   @param md     The hash state
+   @param in     The data to hash
+   @param inlen  The length of the data (octets)
+   @return CRYPT_OK if successful
+*/
+static int SHA256_Update(struct sha256_state *md,
+                         const unsigned char *in,
+                         unsigned long inlen)
+{
+  unsigned long n;
+#define block_size 64
+  if(md->curlen > sizeof(md->buf))
+    return -1;
+  while(inlen > 0) {
+    if(md->curlen == 0 && inlen >= block_size) {
+      if(sha256_compress(md, (unsigned char *)in) < 0)
+        return -1;
+      md->length += block_size * 8;
+      in += block_size;
+      inlen -= block_size;
+    }
+    else {
+      n = MIN(inlen, (block_size - md->curlen));
+      memcpy(md->buf + md->curlen, in, n);
+      md->curlen += n;
+      in += n;
+      inlen -= n;
+      if(md->curlen == block_size) {
+        if(sha256_compress(md, md->buf) < 0)
+          return -1;
+        md->length += 8 * block_size;
+        md->curlen = 0;
+      }
+    }
+  }
+  return 0;
+}
+/**
+   Terminate the hash to get the digest
+   @param md  The hash state
+   @param out [out] The destination of the hash (32 bytes)
+   @return CRYPT_OK if successful
+*/
+static int SHA256_Final(unsigned char *out,
+                        struct sha256_state *md)
+{
+  int i;
+  if(md->curlen >= sizeof(md->buf))
+    return -1;
+  /* increase the length of the message */
+  md->length += md->curlen * 8;
+  /* append the '1' bit */
+  md->buf[md->curlen++] = (unsigned char)0x80;
+  /* if the length is currently above 56 bytes we append zeros
+   * then compress.  Then we can fall back to padding zeros and length
+   * encoding like normal.
+   */
+  if(md->curlen > 56) {
+    while(md->curlen < 64) {
+      md->buf[md->curlen++] = (unsigned char)0;
+    }
+    sha256_compress(md, md->buf);
+    md->curlen = 0;
+  }
+  /* pad upto 56 bytes of zeroes */
+  while(md->curlen < 56) {
+    md->buf[md->curlen++] = (unsigned char)0;
+  }
+  /* store length */
+  WPA_PUT_BE64(md->buf + 56, md->length);
+  sha256_compress(md, md->buf);
+  /* copy output */
+  for(i = 0; i < 8; i++)
+    WPA_PUT_BE32(out + (4 * i), md->state[i]);
+  return 0;
+}
+/* ===== end - public domain SHA256 implementation ===== */
+
+#endif
+
+void Curl_sha256it(unsigned char *outbuffer, /* 32 unsigned chars */
+                   const unsigned char *input)
+{
+  SHA256_CTX ctx;
+  SHA256_Init(&ctx);
+  SHA256_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
+  SHA256_Final(outbuffer, &ctx);
+}
+
+#endif /* CURL_DISABLE_CRYPTO_AUTH */
diff --git a/Utilities/cmcurl/lib/share.c b/Utilities/cmcurl/lib/share.c
index 5b3957fcfb..870b191fc2 100644
--- a/Utilities/cmcurl/lib/share.c
+++ b/Utilities/cmcurl/lib/share.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -102,6 +102,8 @@ curl_share_setopt(struct Curl_share *share, CURLSHoption option, ...)
       break;
 
     case CURL_LOCK_DATA_CONNECT:     /* not supported (yet) */
+      if(Curl_conncache_init(&share->conn_cache, 103))
+        res = CURLSHE_NOMEM;
       break;
 
     default:
@@ -186,6 +188,8 @@ curl_share_cleanup(struct Curl_share *share)
     return CURLSHE_IN_USE;
   }
 
+  Curl_conncache_close_all_connections(&share->conn_cache);
+  Curl_conncache_destroy(&share->conn_cache);
   Curl_hash_destroy(&share->hostcache);
 
 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
diff --git a/Utilities/cmcurl/lib/share.h b/Utilities/cmcurl/lib/share.h
index c039a16cb7..4b13406d9f 100644
--- a/Utilities/cmcurl/lib/share.h
+++ b/Utilities/cmcurl/lib/share.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -26,6 +26,7 @@
 #include <curl/curl.h>
 #include "cookie.h"
 #include "urldata.h"
+#include "conncache.h"
 
 /* SalfordC says "A structure member may not be volatile". Hence:
  */
@@ -43,7 +44,7 @@ struct Curl_share {
   curl_lock_function lockfunc;
   curl_unlock_function unlockfunc;
   void *clientdata;
-
+  struct conncache conn_cache;
   struct curl_hash hostcache;
 #if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
   struct CookieInfo *cookies;
diff --git a/Utilities/cmcurl/lib/smb.c b/Utilities/cmcurl/lib/smb.c
index 13dfd514b4..6cb4083bb2 100644
--- a/Utilities/cmcurl/lib/smb.c
+++ b/Utilities/cmcurl/lib/smb.c
@@ -6,7 +6,7 @@
  *                             \___|\___/|_| \_\_____|
  *
  * Copyright (C) 2014, Bill Nagel <wnagel@tycoint.com>, Exacq Technologies
- * Copyright (C) 2016-2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2016-2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -146,19 +146,12 @@ static unsigned int smb_swap32(unsigned int x)
     ((x >> 24) & 0xff);
 }
 
-#ifdef HAVE_LONGLONG
-static unsigned long long smb_swap64(unsigned long long x)
+static curl_off_t smb_swap64(curl_off_t x)
 {
-  return ((unsigned long long) smb_swap32((unsigned int) x) << 32) |
+  return ((curl_off_t) smb_swap32((unsigned int) x) << 32) |
     smb_swap32((unsigned int) (x >> 32));
 }
-#else
-static unsigned __int64 smb_swap64(unsigned __int64 x)
-{
-  return ((unsigned __int64) smb_swap32((unsigned int) x) << 32) |
-    smb_swap32((unsigned int) (x >> 32));
-}
-#endif
+
 #else
 #  define smb_swap16(x) (x)
 #  define smb_swap32(x) (x)
@@ -648,7 +641,7 @@ static CURLcode smb_connection_state(struct connectdata *conn, bool *done)
   if(smbc->state == SMB_CONNECTING) {
 #ifdef USE_SSL
     if((conn->handler->flags & PROTOPT_SSL)) {
-      bool ssl_done;
+      bool ssl_done = FALSE;
       result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &ssl_done);
       if(result && result != CURLE_AGAIN)
         return result;
@@ -719,17 +712,11 @@ static CURLcode smb_connection_state(struct connectdata *conn, bool *done)
  * Convert a timestamp from the Windows world (100 nsec units from
  * 1 Jan 1601) to Posix time.
  */
-static void get_posix_time(long *_out, const void *_in)
+static void get_posix_time(long *out, curl_off_t timestamp)
 {
-#ifdef HAVE_LONGLONG
-  long long timestamp = *(long long *) _in;
-#else
-  unsigned __int64 timestamp = *(unsigned __int64 *) _in;
-#endif
-
-  timestamp -= 116444736000000000ULL;
+  timestamp -= 116444736000000000;
   timestamp /= 10000000;
-  *_out = (long) timestamp;
+  *out = (long) timestamp;
 }
 
 static CURLcode smb_request_state(struct connectdata *conn, bool *done)
@@ -798,7 +785,7 @@ static CURLcode smb_request_state(struct connectdata *conn, bool *done)
       conn->data->req.size = smb_swap64(smb_m->end_of_file);
       Curl_pgrsSetDownloadSize(conn->data, conn->data->req.size);
       if(conn->data->set.get_filetime)
-        get_posix_time(&conn->data->info.filetime, &smb_m->last_change_time);
+        get_posix_time(&conn->data->info.filetime, smb_m->last_change_time);
       next_state = SMB_DOWNLOAD;
     }
     break;
diff --git a/Utilities/cmcurl/lib/smb.h b/Utilities/cmcurl/lib/smb.h
index 1a4f66e5a8..c3ee7ae039 100644
--- a/Utilities/cmcurl/lib/smb.h
+++ b/Utilities/cmcurl/lib/smb.h
@@ -8,6 +8,7 @@
  *                             \___|\___/|_| \_\_____|
  *
  * Copyright (C) 2014, Bill Nagel <wnagel@tycoint.com>, Exacq Technologies
+ * Copyright (C) 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -165,11 +166,7 @@ struct smb_nt_create {
   unsigned int flags;
   unsigned int root_fid;
   unsigned int access;
-#ifdef HAVE_LONGLONG
-  unsigned long long allocation_size;
-#else
-  unsigned __int64 allocation_size;
-#endif
+  curl_off_t allocation_size;
   unsigned int ext_file_attributes;
   unsigned int share_access;
   unsigned int create_disposition;
@@ -187,25 +184,15 @@ struct smb_nt_create_response {
   unsigned char op_lock_level;
   unsigned short fid;
   unsigned int create_disposition;
-#ifdef HAVE_LONGLONG
-  unsigned long long create_time;
-  unsigned long long last_access_time;
-  unsigned long long last_write_time;
-  unsigned long long last_change_time;
-#else
-  unsigned __int64 create_time;
-  unsigned __int64 last_access_time;
-  unsigned __int64 last_write_time;
-  unsigned __int64 last_change_time;
-#endif
+
+  curl_off_t create_time;
+  curl_off_t last_access_time;
+  curl_off_t last_write_time;
+  curl_off_t last_change_time;
   unsigned int ext_file_attributes;
-#ifdef HAVE_LONGLONG
-  unsigned long long allocation_size;
-  unsigned long long end_of_file;
-#else
-  unsigned __int64 allocation_size;
-  unsigned __int64 end_of_file;
-#endif
+  curl_off_t allocation_size;
+  curl_off_t end_of_file;
+
 } PACK;
 
 struct smb_read {
diff --git a/Utilities/cmcurl/lib/smtp.c b/Utilities/cmcurl/lib/smtp.c
index de2dd33563..d9f1a854aa 100644
--- a/Utilities/cmcurl/lib/smtp.c
+++ b/Utilities/cmcurl/lib/smtp.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -232,23 +232,30 @@ static bool smtp_endofresp(struct connectdata *conn, char *line, size_t len,
  */
 static void smtp_get_message(char *buffer, char **outptr)
 {
-  size_t len = 0;
+  size_t len = strlen(buffer);
   char *message = NULL;
 
-  /* Find the start of the message */
-  for(message = buffer + 4; *message == ' ' || *message == '\t'; message++)
-    ;
-
-  /* Find the end of the message */
-  for(len = strlen(message); len--;)
-    if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
-       message[len] != '\t')
-      break;
-
-  /* Terminate the message */
-  if(++len) {
-    message[len] = '\0';
+  if(len > 4) {
+    /* Find the start of the message */
+    len -= 4;
+    for(message = buffer + 4; *message == ' ' || *message == '\t';
+        message++, len--)
+      ;
+
+    /* Find the end of the message */
+    for(; len--;)
+      if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+         message[len] != '\t')
+        break;
+
+    /* Terminate the message */
+    if(++len) {
+      message[len] = '\0';
+    }
   }
+  else
+    /* junk input => zero length output */
+    message = &buffer[len];
 
   *outptr = message;
 }
@@ -1188,6 +1195,9 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
   if(!smtp || !pp->conn)
     return CURLE_OK;
 
+  /* Cleanup our per-request based variables */
+  Curl_safefree(smtp->custom);
+
   if(status) {
     connclose(conn, "SMTP done with bad status"); /* marked for closure */
     result = status;         /* use the already set error code */
@@ -1230,7 +1240,7 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
     }
     else {
       /* Successfully sent so adjust the response timeout relative to now */
-      pp->response = Curl_tvnow();
+      pp->response = Curl_now();
 
       free(eob);
     }
@@ -1246,9 +1256,6 @@ static CURLcode smtp_done(struct connectdata *conn, CURLcode status,
     result = smtp_block_statemach(conn);
   }
 
-  /* Cleanup our per-request based variables */
-  Curl_safefree(smtp->custom);
-
   /* Clear the transfer mode for the next request */
   smtp->transfer = FTPTRANSFER_BODY;
 
diff --git a/Utilities/cmcurl/lib/socks.c b/Utilities/cmcurl/lib/socks.c
index e64cb98d41..ac4270eacf 100644
--- a/Utilities/cmcurl/lib/socks.c
+++ b/Utilities/cmcurl/lib/socks.c
@@ -57,7 +57,7 @@ int Curl_blockread_all(struct connectdata *conn, /* connection data */
   ssize_t nread;
   ssize_t allread = 0;
   int result;
-  time_t timeleft;
+  timediff_t timeleft;
   *n = 0;
   for(;;) {
     timeleft = Curl_timeleft(conn->data, NULL, TRUE);
@@ -382,7 +382,7 @@ CURLcode Curl_SOCKS5(const char *proxy_user,
   CURLcode code;
   curl_socket_t sock = conn->sock[sockindex];
   struct Curl_easy *data = conn->data;
-  time_t timeout;
+  timediff_t timeout;
   bool socks5_resolve_local =
     (conn->socks_proxy.proxytype == CURLPROXY_SOCKS5) ? TRUE : FALSE;
   const size_t hostname_len = strlen(hostname);
diff --git a/Utilities/cmcurl/lib/speedcheck.c b/Utilities/cmcurl/lib/speedcheck.c
index fe669f11a6..3aeea9111b 100644
--- a/Utilities/cmcurl/lib/speedcheck.c
+++ b/Utilities/cmcurl/lib/speedcheck.c
@@ -46,7 +46,7 @@ CURLcode Curl_speedcheck(struct Curl_easy *data,
         data->state.keeps_speed = now;
       else {
         /* how long has it been under the limit */
-        time_t howlong = Curl_tvdiff(now, data->state.keeps_speed);
+        timediff_t howlong = Curl_timediff(now, data->state.keeps_speed);
 
         if(howlong >= data->set.low_speed_time * 1000) {
           /* too long */
diff --git a/Utilities/cmcurl/lib/ssh-libssh.c b/Utilities/cmcurl/lib/ssh-libssh.c
new file mode 100644
index 0000000000..56775d70d1
--- /dev/null
+++ b/Utilities/cmcurl/lib/ssh-libssh.c
@@ -0,0 +1,2733 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * Authors: Nikos Mavrogiannopoulos, Tomas Mraz, Stanislav Zidek,
+ *          Robert Kolcun, Andreas Schneider
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_LIBSSH
+
+#include <limits.h>
+
+#include <libssh/libssh.h>
+#include <libssh/sftp.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h"               /* for HTTP proxy tunnel stuff */
+#include "ssh.h"
+#include "url.h"
+#include "speedcheck.h"
+#include "getinfo.h"
+#include "strdup.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "inet_ntop.h"
+#include "parsedate.h"          /* for the week day and month names */
+#include "sockaddr.h"           /* required for Curl_sockaddr_storage */
+#include "strtoofft.h"
+#include "multiif.h"
+#include "select.h"
+#include "warnless.h"
+
+/* for permission and open flags */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+#include "curl_path.h"
+
+/* Local functions: */
+static CURLcode myssh_connect(struct connectdata *conn, bool *done);
+static CURLcode myssh_multi_statemach(struct connectdata *conn,
+                                      bool *done);
+static CURLcode myssh_do_it(struct connectdata *conn, bool *done);
+
+static CURLcode scp_done(struct connectdata *conn,
+                         CURLcode, bool premature);
+static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done);
+static CURLcode scp_disconnect(struct connectdata *conn,
+                               bool dead_connection);
+
+static CURLcode sftp_done(struct connectdata *conn,
+                          CURLcode, bool premature);
+static CURLcode sftp_doing(struct connectdata *conn,
+                           bool *dophase_done);
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
+static
+CURLcode sftp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done);
+
+static void sftp_quote(struct connectdata *conn);
+static void sftp_quote_stat(struct connectdata *conn);
+
+static int myssh_getsock(struct connectdata *conn, curl_socket_t *sock,
+                         int numsocks);
+
+static int myssh_perform_getsock(const struct connectdata *conn,
+                                 curl_socket_t *sock,
+                                 int numsocks);
+
+static CURLcode myssh_setup_connection(struct connectdata *conn);
+
+/*
+ * SCP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_scp = {
+  "SCP",                        /* scheme */
+  myssh_setup_connection,       /* setup_connection */
+  myssh_do_it,                  /* do_it */
+  scp_done,                     /* done */
+  ZERO_NULL,                    /* do_more */
+  myssh_connect,                /* connect_it */
+  myssh_multi_statemach,        /* connecting */
+  scp_doing,                    /* doing */
+  myssh_getsock,                /* proto_getsock */
+  myssh_getsock,                /* doing_getsock */
+  ZERO_NULL,                    /* domore_getsock */
+  myssh_perform_getsock,        /* perform_getsock */
+  scp_disconnect,               /* disconnect */
+  ZERO_NULL,                    /* readwrite */
+  ZERO_NULL,                    /* connection_check */
+  PORT_SSH,                     /* defport */
+  CURLPROTO_SCP,                /* protocol */
+  PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION | PROTOPT_NOURLQUERY    /* flags */
+};
+
+/*
+ * SFTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_sftp = {
+  "SFTP",                               /* scheme */
+  myssh_setup_connection,               /* setup_connection */
+  myssh_do_it,                          /* do_it */
+  sftp_done,                            /* done */
+  ZERO_NULL,                            /* do_more */
+  myssh_connect,                        /* connect_it */
+  myssh_multi_statemach,                /* connecting */
+  sftp_doing,                           /* doing */
+  myssh_getsock,                        /* proto_getsock */
+  myssh_getsock,                        /* doing_getsock */
+  ZERO_NULL,                            /* domore_getsock */
+  myssh_perform_getsock,                /* perform_getsock */
+  sftp_disconnect,                      /* disconnect */
+  ZERO_NULL,                            /* readwrite */
+  ZERO_NULL,                            /* connection_check */
+  PORT_SSH,                             /* defport */
+  CURLPROTO_SFTP,                       /* protocol */
+  PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+  | PROTOPT_NOURLQUERY                  /* flags */
+};
+
+static CURLcode sftp_error_to_CURLE(int err)
+{
+  switch(err) {
+    case SSH_FX_OK:
+      return CURLE_OK;
+
+    case SSH_FX_NO_SUCH_FILE:
+    case SSH_FX_NO_SUCH_PATH:
+      return CURLE_REMOTE_FILE_NOT_FOUND;
+
+    case SSH_FX_PERMISSION_DENIED:
+    case SSH_FX_WRITE_PROTECT:
+      return CURLE_REMOTE_ACCESS_DENIED;
+
+    case SSH_FX_FILE_ALREADY_EXISTS:
+      return CURLE_REMOTE_FILE_EXISTS;
+
+    default:
+      break;
+  }
+
+  return CURLE_SSH;
+}
+
+/*
+ * SSH State machine related code
+ */
+/* This is the ONLY way to change SSH state! */
+static void state(struct connectdata *conn, sshstate nowstate)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+  /* for debug purposes */
+  static const char *const names[] = {
+    "SSH_STOP",
+    "SSH_INIT",
+    "SSH_S_STARTUP",
+    "SSH_HOSTKEY",
+    "SSH_AUTHLIST",
+    "SSH_AUTH_PKEY_INIT",
+    "SSH_AUTH_PKEY",
+    "SSH_AUTH_PASS_INIT",
+    "SSH_AUTH_PASS",
+    "SSH_AUTH_AGENT_INIT",
+    "SSH_AUTH_AGENT_LIST",
+    "SSH_AUTH_AGENT",
+    "SSH_AUTH_HOST_INIT",
+    "SSH_AUTH_HOST",
+    "SSH_AUTH_KEY_INIT",
+    "SSH_AUTH_KEY",
+    "SSH_AUTH_GSSAPI",
+    "SSH_AUTH_DONE",
+    "SSH_SFTP_INIT",
+    "SSH_SFTP_REALPATH",
+    "SSH_SFTP_QUOTE_INIT",
+    "SSH_SFTP_POSTQUOTE_INIT",
+    "SSH_SFTP_QUOTE",
+    "SSH_SFTP_NEXT_QUOTE",
+    "SSH_SFTP_QUOTE_STAT",
+    "SSH_SFTP_QUOTE_SETSTAT",
+    "SSH_SFTP_QUOTE_SYMLINK",
+    "SSH_SFTP_QUOTE_MKDIR",
+    "SSH_SFTP_QUOTE_RENAME",
+    "SSH_SFTP_QUOTE_RMDIR",
+    "SSH_SFTP_QUOTE_UNLINK",
+    "SSH_SFTP_QUOTE_STATVFS",
+    "SSH_SFTP_GETINFO",
+    "SSH_SFTP_FILETIME",
+    "SSH_SFTP_TRANS_INIT",
+    "SSH_SFTP_UPLOAD_INIT",
+    "SSH_SFTP_CREATE_DIRS_INIT",
+    "SSH_SFTP_CREATE_DIRS",
+    "SSH_SFTP_CREATE_DIRS_MKDIR",
+    "SSH_SFTP_READDIR_INIT",
+    "SSH_SFTP_READDIR",
+    "SSH_SFTP_READDIR_LINK",
+    "SSH_SFTP_READDIR_BOTTOM",
+    "SSH_SFTP_READDIR_DONE",
+    "SSH_SFTP_DOWNLOAD_INIT",
+    "SSH_SFTP_DOWNLOAD_STAT",
+    "SSH_SFTP_CLOSE",
+    "SSH_SFTP_SHUTDOWN",
+    "SSH_SCP_TRANS_INIT",
+    "SSH_SCP_UPLOAD_INIT",
+    "SSH_SCP_DOWNLOAD_INIT",
+    "SSH_SCP_DOWNLOAD",
+    "SSH_SCP_DONE",
+    "SSH_SCP_SEND_EOF",
+    "SSH_SCP_WAIT_EOF",
+    "SSH_SCP_WAIT_CLOSE",
+    "SSH_SCP_CHANNEL_FREE",
+    "SSH_SESSION_DISCONNECT",
+    "SSH_SESSION_FREE",
+    "QUIT"
+  };
+
+
+  if(sshc->state != nowstate) {
+    infof(conn->data, "SSH %p state change from %s to %s\n",
+          (void *) sshc, names[sshc->state], names[nowstate]);
+  }
+#endif
+
+  sshc->state = nowstate;
+}
+
+/* Multiple options:
+ * 1. data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5] is set with an MD5
+ *    hash (90s style auth, not sure we should have it here)
+ * 2. data->set.ssh_keyfunc callback is set. Then we do trust on first
+ *    use. We even save on knownhosts if CURLKHSTAT_FINE_ADD_TO_FILE
+ *    is returned by it.
+ * 3. none of the above. We only accept if it is present on known hosts.
+ *
+ * Returns SSH_OK or SSH_ERROR.
+ */
+static int myssh_is_known(struct connectdata *conn)
+{
+  int rc;
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  ssh_key pubkey;
+  size_t hlen;
+  unsigned char *hash = NULL;
+  char *base64 = NULL;
+  int vstate;
+  enum curl_khmatch keymatch;
+  struct curl_khkey foundkey;
+  curl_sshkeycallback func =
+    data->set.ssh_keyfunc;
+
+  rc = ssh_get_publickey(sshc->ssh_session, &pubkey);
+  if(rc != SSH_OK)
+    return rc;
+
+  if(data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5]) {
+    rc = ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_MD5,
+                                &hash, &hlen);
+    if(rc != SSH_OK)
+      goto cleanup;
+
+    if(hlen != strlen(data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5]) ||
+       memcmp(&data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5], hash, hlen)) {
+      rc = SSH_ERROR;
+      goto cleanup;
+    }
+
+    rc = SSH_OK;
+    goto cleanup;
+  }
+
+  if(data->set.ssl.primary.verifyhost != TRUE) {
+    rc = SSH_OK;
+    goto cleanup;
+  }
+
+  vstate = ssh_is_server_known(sshc->ssh_session);
+  switch(vstate) {
+    case SSH_SERVER_KNOWN_OK:
+      keymatch = CURLKHMATCH_OK;
+      break;
+    case SSH_SERVER_FILE_NOT_FOUND:
+      /* fallthrough */
+    case SSH_SERVER_NOT_KNOWN:
+      keymatch = CURLKHMATCH_MISSING;
+      break;
+  default:
+      keymatch = CURLKHMATCH_MISMATCH;
+      break;
+  }
+
+  if(func) { /* use callback to determine action */
+    rc = ssh_pki_export_pubkey_base64(pubkey, &base64);
+    if(rc != SSH_OK)
+      goto cleanup;
+
+    foundkey.key = base64;
+    foundkey.len = strlen(base64);
+
+    switch(ssh_key_type(pubkey)) {
+      case SSH_KEYTYPE_RSA:
+        foundkey.keytype = CURLKHTYPE_RSA;
+        break;
+      case SSH_KEYTYPE_RSA1:
+        foundkey.keytype = CURLKHTYPE_RSA1;
+        break;
+      case SSH_KEYTYPE_ECDSA:
+        foundkey.keytype = CURLKHTYPE_ECDSA;
+        break;
+#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,7,0)
+      case SSH_KEYTYPE_ED25519:
+        foundkey.keytype = CURLKHTYPE_ED25519;
+        break;
+#endif
+      case SSH_KEYTYPE_DSS:
+        foundkey.keytype = CURLKHTYPE_DSS;
+        break;
+      default:
+        rc = SSH_ERROR;
+        goto cleanup;
+    }
+
+    /* we don't have anything equivalent to knownkey. Always NULL */
+    rc = func(data, NULL, &foundkey, /* from the remote host */
+              keymatch, data->set.ssh_keyfunc_userp);
+
+    switch(rc) {
+      case CURLKHSTAT_FINE_ADD_TO_FILE:
+        rc = ssh_write_knownhost(sshc->ssh_session);
+        if(rc != SSH_OK) {
+          goto cleanup;
+        }
+        break;
+      case CURLKHSTAT_FINE:
+        break;
+      default: /* REJECT/DEFER */
+        rc = SSH_ERROR;
+        goto cleanup;
+    }
+  }
+  else {
+    if(keymatch != CURLKHMATCH_OK) {
+      rc = SSH_ERROR;
+      goto cleanup;
+    }
+  }
+  rc = SSH_OK;
+
+cleanup:
+  if(hash)
+    ssh_clean_pubkey_hash(&hash);
+  ssh_key_free(pubkey);
+  return rc;
+}
+
+#define MOVE_TO_ERROR_STATE(_r) { \
+  state(conn, SSH_SESSION_FREE); \
+  sshc->actualcode = _r; \
+  rc = SSH_ERROR; \
+  break; \
+}
+
+#define MOVE_TO_SFTP_CLOSE_STATE() { \
+  state(conn, SSH_SFTP_CLOSE); \
+  sshc->actualcode = sftp_error_to_CURLE(sftp_get_error(sshc->sftp_session)); \
+  rc = SSH_ERROR; \
+  break; \
+}
+
+#define MOVE_TO_LAST_AUTH \
+  if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) { \
+    rc = SSH_OK; \
+    state(conn, SSH_AUTH_PASS_INIT); \
+    break; \
+  } \
+  else { \
+    MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED); \
+  }
+
+#define MOVE_TO_TERTIARY_AUTH \
+  if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) { \
+    rc = SSH_OK; \
+    state(conn, SSH_AUTH_KEY_INIT); \
+    break; \
+  } \
+  else { \
+    MOVE_TO_LAST_AUTH; \
+  }
+
+#define MOVE_TO_SECONDARY_AUTH \
+  if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) { \
+    rc = SSH_OK; \
+    state(conn, SSH_AUTH_GSSAPI); \
+    break; \
+  } \
+  else { \
+    MOVE_TO_TERTIARY_AUTH; \
+  }
+
+static
+int myssh_auth_interactive(struct connectdata *conn)
+{
+  int rc;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  int nprompts;
+
+restart:
+  switch(sshc->kbd_state) {
+    case 0:
+      rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+      if(rc == SSH_AUTH_AGAIN)
+        return SSH_AGAIN;
+
+      if(rc != SSH_AUTH_INFO)
+        return SSH_ERROR;
+
+      nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
+      if(nprompts == SSH_ERROR || nprompts != 1)
+        return SSH_ERROR;
+
+      rc = ssh_userauth_kbdint_setanswer(sshc->ssh_session, 0, conn->passwd);
+      if(rc < 0)
+        return SSH_ERROR;
+
+    /* fallthrough */
+    case 1:
+      sshc->kbd_state = 1;
+
+      rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+      if(rc == SSH_AUTH_AGAIN)
+        return SSH_AGAIN;
+      else if(rc == SSH_AUTH_SUCCESS)
+        rc = SSH_OK;
+      else if(rc == SSH_AUTH_INFO) {
+        nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
+        if(nprompts != 0)
+          return SSH_ERROR;
+
+        sshc->kbd_state = 2;
+        goto restart;
+      }
+      else
+        rc = SSH_ERROR;
+      break;
+    case 2:
+      sshc->kbd_state = 2;
+
+      rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+      if(rc == SSH_AUTH_AGAIN)
+        return SSH_AGAIN;
+      else if(rc == SSH_AUTH_SUCCESS)
+        rc = SSH_OK;
+      else
+        rc = SSH_ERROR;
+
+      break;
+    default:
+      return SSH_ERROR;
+  }
+
+  sshc->kbd_state = 0;
+  return rc;
+}
+
+/*
+ * ssh_statemach_act() runs the SSH state machine as far as it can without
+ * blocking and without reaching the end.  The data the pointer 'block' points
+ * to will be set to TRUE if the libssh function returns SSH_AGAIN
+ * meaning it wants to be called again when the socket is ready
+ */
+static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
+{
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+  struct SSHPROTO *protop = data->req.protop;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  int rc = SSH_NO_ERROR, err;
+  char *new_readdir_line;
+  int seekerr = CURL_SEEKFUNC_OK;
+  const char *err_msg;
+  *block = 0;                   /* we're not blocking by default */
+
+  do {
+
+    switch(sshc->state) {
+    case SSH_INIT:
+      sshc->secondCreateDirs = 0;
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_OK;
+
+#if 0
+      ssh_set_log_level(SSH_LOG_PROTOCOL);
+#endif
+
+      /* Set libssh to non-blocking, since everything internally is
+         non-blocking */
+      ssh_set_blocking(sshc->ssh_session, 0);
+
+      state(conn, SSH_S_STARTUP);
+      /* fall-through */
+
+    case SSH_S_STARTUP:
+      rc = ssh_connect(sshc->ssh_session);
+      if(rc == SSH_AGAIN)
+        break;
+
+      if(rc != SSH_OK) {
+        failf(data, "Failure establishing ssh session");
+        MOVE_TO_ERROR_STATE(CURLE_FAILED_INIT);
+      }
+
+      state(conn, SSH_HOSTKEY);
+
+      /* fall-through */
+    case SSH_HOSTKEY:
+
+      rc = myssh_is_known(conn);
+      if(rc != SSH_OK) {
+        MOVE_TO_ERROR_STATE(CURLE_PEER_FAILED_VERIFICATION);
+      }
+
+      state(conn, SSH_AUTHLIST);
+      /* fall through */
+    case SSH_AUTHLIST:{
+        sshc->authed = FALSE;
+
+        rc = ssh_userauth_none(sshc->ssh_session, NULL);
+        if(rc == SSH_AUTH_AGAIN) {
+          rc = SSH_AGAIN;
+          break;
+        }
+
+        if(rc == SSH_AUTH_SUCCESS) {
+          sshc->authed = TRUE;
+          infof(data, "Authenticated with none\n");
+          state(conn, SSH_AUTH_DONE);
+          break;
+        }
+        else if(rc == SSH_AUTH_ERROR) {
+          MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+        }
+
+        sshc->auth_methods = ssh_userauth_list(sshc->ssh_session, NULL);
+        if(sshc->auth_methods & SSH_AUTH_METHOD_PUBLICKEY) {
+          state(conn, SSH_AUTH_PKEY_INIT);
+        }
+        else if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) {
+          state(conn, SSH_AUTH_GSSAPI);
+        }
+        else if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) {
+          state(conn, SSH_AUTH_KEY_INIT);
+        }
+        else if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) {
+          state(conn, SSH_AUTH_PASS_INIT);
+        }
+        else {                  /* unsupported authentication method */
+          MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+        }
+
+        break;
+      }
+    case SSH_AUTH_PKEY_INIT:
+      if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY)) {
+        MOVE_TO_SECONDARY_AUTH;
+      }
+
+      /* Two choices, (1) private key was given on CMD,
+       * (2) use the "default" keys. */
+      if(data->set.str[STRING_SSH_PRIVATE_KEY]) {
+        if(sshc->pubkey && !data->set.ssl.key_passwd) {
+          rc = ssh_userauth_try_publickey(sshc->ssh_session, NULL,
+                                          sshc->pubkey);
+          if(rc == SSH_AUTH_AGAIN) {
+            rc = SSH_AGAIN;
+            break;
+          }
+
+          if(rc != SSH_OK) {
+            MOVE_TO_SECONDARY_AUTH;
+          }
+        }
+
+        rc = ssh_pki_import_privkey_file(data->
+                                         set.str[STRING_SSH_PRIVATE_KEY],
+                                         data->set.ssl.key_passwd, NULL,
+                                         NULL, &sshc->privkey);
+        if(rc != SSH_OK) {
+          failf(data, "Could not load private key file %s",
+                data->set.str[STRING_SSH_PRIVATE_KEY]);
+          break;
+        }
+
+        state(conn, SSH_AUTH_PKEY);
+        break;
+
+      }
+      else {
+        infof(data, "Authentication using SSH public key file\n");
+
+        rc = ssh_userauth_publickey_auto(sshc->ssh_session, NULL,
+                                         data->set.ssl.key_passwd);
+        if(rc == SSH_AUTH_AGAIN) {
+          rc = SSH_AGAIN;
+          break;
+        }
+        if(rc == SSH_AUTH_SUCCESS) {
+          rc = SSH_OK;
+          sshc->authed = TRUE;
+          infof(data, "Completed public key authentication\n");
+          state(conn, SSH_AUTH_DONE);
+          break;
+        }
+
+        MOVE_TO_SECONDARY_AUTH;
+      }
+      break;
+    case SSH_AUTH_PKEY:
+      rc = ssh_userauth_publickey(sshc->ssh_session, NULL, sshc->privkey);
+      if(rc == SSH_AUTH_AGAIN) {
+        rc = SSH_AGAIN;
+        break;
+      }
+
+      if(rc == SSH_AUTH_SUCCESS) {
+        sshc->authed = TRUE;
+        infof(data, "Completed public key authentication\n");
+        state(conn, SSH_AUTH_DONE);
+        break;
+      }
+      else {
+        infof(data, "Failed public key authentication (rc: %d)\n", rc);
+        MOVE_TO_SECONDARY_AUTH;
+      }
+      break;
+
+    case SSH_AUTH_GSSAPI:
+      if(!(data->set.ssh_auth_types & CURLSSH_AUTH_GSSAPI)) {
+        MOVE_TO_TERTIARY_AUTH;
+      }
+
+      rc = ssh_userauth_gssapi(sshc->ssh_session);
+      if(rc == SSH_AUTH_AGAIN) {
+        rc = SSH_AGAIN;
+        break;
+      }
+
+      if(rc == SSH_AUTH_SUCCESS) {
+        rc = SSH_OK;
+        sshc->authed = TRUE;
+        infof(data, "Completed gssapi authentication\n");
+        state(conn, SSH_AUTH_DONE);
+        break;
+      }
+
+      MOVE_TO_TERTIARY_AUTH;
+      break;
+
+    case SSH_AUTH_KEY_INIT:
+      if(data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD) {
+        state(conn, SSH_AUTH_KEY);
+      }
+      else {
+        MOVE_TO_LAST_AUTH;
+      }
+      break;
+
+    case SSH_AUTH_KEY:
+
+      /* Authentication failed. Continue with keyboard-interactive now. */
+      rc = myssh_auth_interactive(conn);
+      if(rc == SSH_AGAIN) {
+        break;
+      }
+      if(rc == SSH_OK) {
+        sshc->authed = TRUE;
+        infof(data, "completed keyboard interactive authentication\n");
+      }
+      state(conn, SSH_AUTH_DONE);
+      break;
+
+    case SSH_AUTH_PASS_INIT:
+      if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD)) {
+        /* Host key authentication is intentionally not implemented */
+        MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+      }
+      state(conn, SSH_AUTH_PASS);
+      /* fall through */
+
+    case SSH_AUTH_PASS:
+      rc = ssh_userauth_password(sshc->ssh_session, NULL, conn->passwd);
+      if(rc == SSH_AUTH_AGAIN) {
+        rc = SSH_AGAIN;
+        break;
+      }
+
+      if(rc == SSH_AUTH_SUCCESS) {
+        sshc->authed = TRUE;
+        infof(data, "Completed password authentication\n");
+        state(conn, SSH_AUTH_DONE);
+      }
+      else {
+        MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+      }
+      break;
+
+    case SSH_AUTH_DONE:
+      if(!sshc->authed) {
+        failf(data, "Authentication failure");
+        MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+        break;
+      }
+
+      /*
+       * At this point we have an authenticated ssh session.
+       */
+      infof(data, "Authentication complete\n");
+
+      Curl_pgrsTime(conn->data, TIMER_APPCONNECT);      /* SSH is connected */
+
+      conn->sockfd = ssh_get_fd(sshc->ssh_session);
+      conn->writesockfd = CURL_SOCKET_BAD;
+
+      if(conn->handler->protocol == CURLPROTO_SFTP) {
+        state(conn, SSH_SFTP_INIT);
+        break;
+      }
+      infof(data, "SSH CONNECT phase done\n");
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_INIT:
+      ssh_set_blocking(sshc->ssh_session, 1);
+
+      sshc->sftp_session = sftp_new(sshc->ssh_session);
+      if(!sshc->sftp_session) {
+        failf(data, "Failure initializing sftp session: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+        break;
+      }
+
+      rc = sftp_init(sshc->sftp_session);
+      if(rc != SSH_OK) {
+        rc = sftp_get_error(sshc->sftp_session);
+        failf(data, "Failure initializing sftp session: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_ERROR_STATE(sftp_error_to_CURLE(rc));
+        break;
+      }
+      state(conn, SSH_SFTP_REALPATH);
+      /* fall through */
+    case SSH_SFTP_REALPATH:
+      /*
+       * Get the "home" directory
+       */
+      sshc->homedir = sftp_canonicalize_path(sshc->sftp_session, ".");
+      if(sshc->homedir == NULL) {
+        MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+      }
+      conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
+
+      /* This is the last step in the SFTP connect phase. Do note that while
+         we get the homedir here, we get the "workingpath" in the DO action
+         since the homedir will remain the same between request but the
+         working path will not. */
+      DEBUGF(infof(data, "SSH CONNECT phase done\n"));
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_QUOTE_INIT:
+
+      result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
+      if(result) {
+        sshc->actualcode = result;
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      if(data->set.quote) {
+        infof(data, "Sending quote commands\n");
+        sshc->quote_item = data->set.quote;
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        state(conn, SSH_SFTP_GETINFO);
+      }
+      break;
+
+    case SSH_SFTP_POSTQUOTE_INIT:
+      if(data->set.postquote) {
+        infof(data, "Sending quote commands\n");
+        sshc->quote_item = data->set.postquote;
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        state(conn, SSH_STOP);
+      }
+      break;
+
+    case SSH_SFTP_QUOTE:
+      /* Send any quote commands */
+      sftp_quote(conn);
+      break;
+
+    case SSH_SFTP_NEXT_QUOTE:
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+
+      sshc->quote_item = sshc->quote_item->next;
+
+      if(sshc->quote_item) {
+        state(conn, SSH_SFTP_QUOTE);
+      }
+      else {
+        if(sshc->nextstate != SSH_NO_STATE) {
+          state(conn, sshc->nextstate);
+          sshc->nextstate = SSH_NO_STATE;
+        }
+        else {
+          state(conn, SSH_SFTP_GETINFO);
+        }
+      }
+      break;
+
+    case SSH_SFTP_QUOTE_STAT:
+      sftp_quote_stat(conn);
+      break;
+
+    case SSH_SFTP_QUOTE_SETSTAT:
+      rc = sftp_setstat(sshc->sftp_session, sshc->quote_path2,
+                        sshc->quote_attrs);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "Attempt to set SFTP stats failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        /* sshc->actualcode = sftp_error_to_CURLE(err);
+         * we do not send the actual error; we return
+         * the error the libssh2 backend is returning */
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_SYMLINK:
+      rc = sftp_symlink(sshc->sftp_session, sshc->quote_path2,
+                        sshc->quote_path1);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "symlink command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_MKDIR:
+      rc = sftp_mkdir(sshc->sftp_session, sshc->quote_path1,
+                      (mode_t)data->set.new_directory_perms);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "mkdir command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_RENAME:
+      rc = sftp_rename(sshc->sftp_session, sshc->quote_path1,
+                       sshc->quote_path2);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        Curl_safefree(sshc->quote_path2);
+        failf(data, "rename command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_RMDIR:
+      rc = sftp_rmdir(sshc->sftp_session, sshc->quote_path1);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "rmdir command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_UNLINK:
+      rc = sftp_unlink(sshc->sftp_session, sshc->quote_path1);
+      if(rc != 0 && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "rm command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+
+    case SSH_SFTP_QUOTE_STATVFS:
+    {
+      sftp_statvfs_t statvfs;
+
+      statvfs = sftp_statvfs(sshc->sftp_session, sshc->quote_path1);
+      if(!statvfs && !sshc->acceptfail) {
+        Curl_safefree(sshc->quote_path1);
+        failf(data, "statvfs command failed: %s",
+              ssh_get_error(sshc->ssh_session));
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->nextstate = SSH_NO_STATE;
+        sshc->actualcode = CURLE_QUOTE_ERROR;
+        break;
+      }
+      else if(statvfs) {
+        char *tmp = aprintf("statvfs:\n"
+                            "f_bsize: %llu\n" "f_frsize: %llu\n"
+                            "f_blocks: %llu\n" "f_bfree: %llu\n"
+                            "f_bavail: %llu\n" "f_files: %llu\n"
+                            "f_ffree: %llu\n" "f_favail: %llu\n"
+                            "f_fsid: %llu\n" "f_flag: %llu\n"
+                            "f_namemax: %llu\n",
+                            statvfs->f_bsize, statvfs->f_frsize,
+                            statvfs->f_blocks, statvfs->f_bfree,
+                            statvfs->f_bavail, statvfs->f_files,
+                            statvfs->f_ffree, statvfs->f_favail,
+                            statvfs->f_fsid, statvfs->f_flag,
+                            statvfs->f_namemax);
+        sftp_statvfs_free(statvfs);
+
+        if(!tmp) {
+          result = CURLE_OUT_OF_MEMORY;
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          break;
+        }
+
+        result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+        free(tmp);
+        if(result) {
+          state(conn, SSH_SFTP_CLOSE);
+          sshc->nextstate = SSH_NO_STATE;
+          sshc->actualcode = result;
+        }
+      }
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+      break;
+    }
+
+    case SSH_SFTP_GETINFO:
+      if(data->set.get_filetime) {
+        state(conn, SSH_SFTP_FILETIME);
+      }
+      else {
+        state(conn, SSH_SFTP_TRANS_INIT);
+      }
+      break;
+
+    case SSH_SFTP_FILETIME:
+    {
+      sftp_attributes attrs;
+
+      attrs = sftp_stat(sshc->sftp_session, protop->path);
+      if(attrs != 0) {
+        data->info.filetime = (long)attrs->mtime;
+        sftp_attributes_free(attrs);
+      }
+
+      state(conn, SSH_SFTP_TRANS_INIT);
+      break;
+    }
+
+    case SSH_SFTP_TRANS_INIT:
+      if(data->set.upload)
+        state(conn, SSH_SFTP_UPLOAD_INIT);
+      else {
+        if(protop->path[strlen(protop->path)-1] == '/')
+          state(conn, SSH_SFTP_READDIR_INIT);
+        else
+          state(conn, SSH_SFTP_DOWNLOAD_INIT);
+      }
+      break;
+
+    case SSH_SFTP_UPLOAD_INIT:
+    {
+      int flags;
+
+      if(data->state.resume_from != 0) {
+        sftp_attributes attrs;
+
+        if(data->state.resume_from < 0) {
+          attrs = sftp_stat(sshc->sftp_session, protop->path);
+          if(attrs != 0) {
+            curl_off_t size = attrs->size;
+            if(size < 0) {
+              failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+              MOVE_TO_ERROR_STATE(CURLE_BAD_DOWNLOAD_RESUME);
+            }
+            data->state.resume_from = attrs->size;
+
+            sftp_attributes_free(attrs);
+          }
+          else {
+            data->state.resume_from = 0;
+          }
+        }
+      }
+
+      if(data->set.ftp_append)
+        /* Try to open for append, but create if nonexisting */
+        flags = O_WRONLY|O_CREAT|O_APPEND;
+      else if(data->state.resume_from > 0)
+        /* If we have restart position then open for append */
+        flags = O_WRONLY|O_APPEND;
+      else
+        /* Clear file before writing (normal behaviour) */
+        flags = O_WRONLY|O_APPEND|O_CREAT|O_TRUNC;
+
+      if(sshc->sftp_file)
+        sftp_close(sshc->sftp_file);
+      sshc->sftp_file =
+        sftp_open(sshc->sftp_session, protop->path,
+                  flags, (mode_t)data->set.new_file_perms);
+      if(!sshc->sftp_file) {
+        err = sftp_get_error(sshc->sftp_session);
+
+        if(((err == SSH_FX_NO_SUCH_FILE || err == SSH_FX_FAILURE ||
+             err == SSH_FX_NO_SUCH_PATH)) &&
+             (data->set.ftp_create_missing_dirs &&
+             (strlen(protop->path) > 1))) {
+               /* try to create the path remotely */
+               rc = 0;
+               sshc->secondCreateDirs = 1;
+               state(conn, SSH_SFTP_CREATE_DIRS_INIT);
+               break;
+        }
+        else {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+      }
+
+      /* If we have a restart point then we need to seek to the correct
+         position. */
+      if(data->state.resume_from > 0) {
+        /* Let's read off the proper amount of bytes from the input. */
+        if(conn->seek_func) {
+          seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+                                    SEEK_SET);
+        }
+
+        if(seekerr != CURL_SEEKFUNC_OK) {
+          curl_off_t passed = 0;
+
+          if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+            failf(data, "Could not seek stream");
+            return CURLE_FTP_COULDNT_USE_REST;
+          }
+          /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+          do {
+            size_t readthisamountnow =
+              (data->state.resume_from - passed > data->set.buffer_size) ?
+              (size_t)data->set.buffer_size :
+              curlx_sotouz(data->state.resume_from - passed);
+
+            size_t actuallyread =
+              data->state.fread_func(data->state.buffer, 1,
+                                     readthisamountnow, data->state.in);
+
+            passed += actuallyread;
+            if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+              /* this checks for greater-than only to make sure that the
+                 CURL_READFUNC_ABORT return code still aborts */
+              failf(data, "Failed to read data");
+              MOVE_TO_ERROR_STATE(CURLE_FTP_COULDNT_USE_REST);
+            }
+          } while(passed < data->state.resume_from);
+        }
+
+        /* now, decrease the size of the read */
+        if(data->state.infilesize > 0) {
+          data->state.infilesize -= data->state.resume_from;
+          data->req.size = data->state.infilesize;
+          Curl_pgrsSetUploadSize(data, data->state.infilesize);
+        }
+
+        rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
+        if(rc != 0) {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+      }
+      if(data->state.infilesize > 0) {
+        data->req.size = data->state.infilesize;
+        Curl_pgrsSetUploadSize(data, data->state.infilesize);
+      }
+      /* upload data */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->sockfd = conn->writesockfd;
+
+      /* store this original bitmask setup to use later on if we can't
+         figure out a "real" bitmask */
+      sshc->orig_waitfor = data->req.keepon;
+
+      /* we want to use the _sending_ function even when the socket turns
+         out readable as the underlying libssh sftp send function will deal
+         with both accordingly */
+      conn->cselect_bits = CURL_CSELECT_OUT;
+
+      /* since we don't really wait for anything at this point, we want the
+         state machine to move on as soon as possible so we set a very short
+         timeout here */
+      Curl_expire(data, 0, EXPIRE_RUN_NOW);
+
+      state(conn, SSH_STOP);
+      break;
+    }
+
+    case SSH_SFTP_CREATE_DIRS_INIT:
+      if(strlen(protop->path) > 1) {
+        sshc->slash_pos = protop->path + 1; /* ignore the leading '/' */
+        state(conn, SSH_SFTP_CREATE_DIRS);
+      }
+      else {
+        state(conn, SSH_SFTP_UPLOAD_INIT);
+      }
+      break;
+
+    case SSH_SFTP_CREATE_DIRS:
+      sshc->slash_pos = strchr(sshc->slash_pos, '/');
+      if(sshc->slash_pos) {
+        *sshc->slash_pos = 0;
+
+        infof(data, "Creating directory '%s'\n", protop->path);
+        state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
+        break;
+      }
+      state(conn, SSH_SFTP_UPLOAD_INIT);
+      break;
+
+    case SSH_SFTP_CREATE_DIRS_MKDIR:
+      /* 'mode' - parameter is preliminary - default to 0644 */
+      rc = sftp_mkdir(sshc->sftp_session, protop->path,
+                      (mode_t)data->set.new_directory_perms);
+      *sshc->slash_pos = '/';
+      ++sshc->slash_pos;
+      if(rc < 0) {
+        /*
+         * Abort if failure wasn't that the dir already exists or the
+         * permission was denied (creation might succeed further down the
+         * path) - retry on unspecific FAILURE also
+         */
+        err = sftp_get_error(sshc->sftp_session);
+        if((err != SSH_FX_FILE_ALREADY_EXISTS) &&
+           (err != SSH_FX_FAILURE) &&
+           (err != SSH_FX_PERMISSION_DENIED)) {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+        rc = 0; /* clear rc and continue */
+      }
+      state(conn, SSH_SFTP_CREATE_DIRS);
+      break;
+
+    case SSH_SFTP_READDIR_INIT:
+      Curl_pgrsSetDownloadSize(data, -1);
+      if(data->set.opt_no_body) {
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      /*
+       * This is a directory that we are trying to get, so produce a directory
+       * listing
+       */
+      sshc->sftp_dir = sftp_opendir(sshc->sftp_session,
+                                    protop->path);
+      if(!sshc->sftp_dir) {
+        failf(data, "Could not open directory for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_SFTP_CLOSE_STATE();
+      }
+      state(conn, SSH_SFTP_READDIR);
+      break;
+
+    case SSH_SFTP_READDIR:
+
+      if(sshc->readdir_attrs)
+        sftp_attributes_free(sshc->readdir_attrs);
+
+      sshc->readdir_attrs = sftp_readdir(sshc->sftp_session, sshc->sftp_dir);
+      if(sshc->readdir_attrs) {
+        sshc->readdir_filename = sshc->readdir_attrs->name;
+        sshc->readdir_longentry = sshc->readdir_attrs->longname;
+        sshc->readdir_len = (int)strlen(sshc->readdir_filename);
+
+        if(data->set.ftp_list_only) {
+          char *tmpLine;
+
+          tmpLine = aprintf("%s\n", sshc->readdir_filename);
+          if(tmpLine == NULL) {
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->actualcode = CURLE_OUT_OF_MEMORY;
+            break;
+          }
+          result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                     tmpLine, sshc->readdir_len + 1);
+          free(tmpLine);
+
+          if(result) {
+            state(conn, SSH_STOP);
+            break;
+          }
+          /* since this counts what we send to the client, we include the
+             newline in this counter */
+          data->req.bytecount += sshc->readdir_len + 1;
+
+          /* output debug output if that is requested */
+          if(data->set.verbose) {
+            Curl_debug(data, CURLINFO_DATA_OUT,
+                       (char *)sshc->readdir_filename,
+                       sshc->readdir_len, conn);
+          }
+        }
+        else {
+          sshc->readdir_currLen = (int)strlen(sshc->readdir_longentry);
+          sshc->readdir_totalLen = 80 + sshc->readdir_currLen;
+          sshc->readdir_line = calloc(sshc->readdir_totalLen, 1);
+          if(!sshc->readdir_line) {
+            state(conn, SSH_SFTP_CLOSE);
+            sshc->actualcode = CURLE_OUT_OF_MEMORY;
+            break;
+          }
+
+          memcpy(sshc->readdir_line, sshc->readdir_longentry,
+                 sshc->readdir_currLen);
+          if((sshc->readdir_attrs->flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
+             ((sshc->readdir_attrs->permissions & S_IFMT) ==
+              S_IFLNK)) {
+            sshc->readdir_linkPath = malloc(PATH_MAX + 1);
+            if(sshc->readdir_linkPath == NULL) {
+              state(conn, SSH_SFTP_CLOSE);
+              sshc->actualcode = CURLE_OUT_OF_MEMORY;
+              break;
+            }
+
+            snprintf(sshc->readdir_linkPath, PATH_MAX, "%s%s", protop->path,
+                     sshc->readdir_filename);
+
+            state(conn, SSH_SFTP_READDIR_LINK);
+            break;
+          }
+          state(conn, SSH_SFTP_READDIR_BOTTOM);
+          break;
+        }
+      }
+      else if(sshc->readdir_attrs == NULL && sftp_dir_eof(sshc->sftp_dir)) {
+        state(conn, SSH_SFTP_READDIR_DONE);
+        break;
+      }
+      else {
+        failf(data, "Could not open remote file for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_SFTP_CLOSE_STATE();
+        break;
+      }
+      break;
+
+    case SSH_SFTP_READDIR_LINK:
+      if(sshc->readdir_link_attrs)
+        sftp_attributes_free(sshc->readdir_link_attrs);
+
+      sshc->readdir_link_attrs = sftp_lstat(sshc->sftp_session,
+                                            sshc->readdir_linkPath);
+      if(sshc->readdir_link_attrs == 0) {
+        failf(data, "Could not read symlink for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+        MOVE_TO_SFTP_CLOSE_STATE();
+      }
+
+      if(sshc->readdir_link_attrs->name == NULL) {
+        sshc->readdir_tmp = sftp_readlink(sshc->sftp_session,
+                                          sshc->readdir_linkPath);
+        if(sshc->readdir_filename == NULL)
+          sshc->readdir_len = 0;
+        else
+          sshc->readdir_len = (int)strlen(sshc->readdir_tmp);
+        sshc->readdir_longentry = NULL;
+        sshc->readdir_filename = sshc->readdir_tmp;
+      }
+      else {
+        sshc->readdir_len = (int)strlen(sshc->readdir_link_attrs->name);
+        sshc->readdir_filename = sshc->readdir_link_attrs->name;
+        sshc->readdir_longentry = sshc->readdir_link_attrs->longname;
+      }
+
+      Curl_safefree(sshc->readdir_linkPath);
+
+      /* get room for the filename and extra output */
+      sshc->readdir_totalLen += 4 + sshc->readdir_len;
+      new_readdir_line = Curl_saferealloc(sshc->readdir_line,
+                                          sshc->readdir_totalLen);
+      if(!new_readdir_line) {
+        sshc->readdir_line = NULL;
+        state(conn, SSH_SFTP_CLOSE);
+        sshc->actualcode = CURLE_OUT_OF_MEMORY;
+        break;
+      }
+      sshc->readdir_line = new_readdir_line;
+
+      sshc->readdir_currLen += snprintf(sshc->readdir_line +
+                                        sshc->readdir_currLen,
+                                        sshc->readdir_totalLen -
+                                        sshc->readdir_currLen,
+                                        " -> %s",
+                                        sshc->readdir_filename);
+
+      sftp_attributes_free(sshc->readdir_link_attrs);
+      sshc->readdir_link_attrs = NULL;
+      sshc->readdir_filename = NULL;
+      sshc->readdir_longentry = NULL;
+
+      state(conn, SSH_SFTP_READDIR_BOTTOM);
+      /* fall through */
+    case SSH_SFTP_READDIR_BOTTOM:
+      sshc->readdir_currLen += snprintf(sshc->readdir_line +
+                                        sshc->readdir_currLen,
+                                        sshc->readdir_totalLen -
+                                        sshc->readdir_currLen, "\n");
+      result = Curl_client_write(conn, CLIENTWRITE_BODY,
+                                 sshc->readdir_line,
+                                 sshc->readdir_currLen);
+
+      if(!result) {
+
+        /* output debug output if that is requested */
+        if(data->set.verbose) {
+          Curl_debug(data, CURLINFO_DATA_OUT, sshc->readdir_line,
+                     sshc->readdir_currLen, conn);
+        }
+        data->req.bytecount += sshc->readdir_currLen;
+      }
+      Curl_safefree(sshc->readdir_line);
+      ssh_string_free_char(sshc->readdir_tmp);
+      sshc->readdir_tmp = NULL;
+
+      if(result) {
+        state(conn, SSH_STOP);
+      }
+      else
+        state(conn, SSH_SFTP_READDIR);
+      break;
+
+    case SSH_SFTP_READDIR_DONE:
+      sftp_closedir(sshc->sftp_dir);
+      sshc->sftp_dir = NULL;
+
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_SFTP_DOWNLOAD_INIT:
+      /*
+       * Work on getting the specified file
+       */
+      if(sshc->sftp_file)
+        sftp_close(sshc->sftp_file);
+
+      sshc->sftp_file = sftp_open(sshc->sftp_session, protop->path,
+                                  O_RDONLY, (mode_t)data->set.new_file_perms);
+      if(!sshc->sftp_file) {
+        failf(data, "Could not open remote file for reading: %s",
+              ssh_get_error(sshc->ssh_session));
+
+        MOVE_TO_SFTP_CLOSE_STATE();
+      }
+
+      state(conn, SSH_SFTP_DOWNLOAD_STAT);
+      break;
+
+    case SSH_SFTP_DOWNLOAD_STAT:
+    {
+      sftp_attributes attrs;
+      curl_off_t size;
+
+      attrs = sftp_fstat(sshc->sftp_file);
+      if(!attrs ||
+              !(attrs->flags & SSH_FILEXFER_ATTR_SIZE) ||
+              (attrs->size == 0)) {
+        /*
+         * sftp_fstat didn't return an error, so maybe the server
+         * just doesn't support stat()
+         * OR the server doesn't return a file size with a stat()
+         * OR file size is 0
+         */
+        data->req.size = -1;
+        data->req.maxdownload = -1;
+        Curl_pgrsSetDownloadSize(data, -1);
+        size = 0;
+      }
+      else {
+        size = attrs->size;
+
+        sftp_attributes_free(attrs);
+
+        if(size < 0) {
+          failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+          return CURLE_BAD_DOWNLOAD_RESUME;
+        }
+        if(conn->data->state.use_range) {
+          curl_off_t from, to;
+          char *ptr;
+          char *ptr2;
+          CURLofft to_t;
+          CURLofft from_t;
+
+          from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
+          if(from_t == CURL_OFFT_FLOW) {
+            return CURLE_RANGE_ERROR;
+          }
+          while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
+            ptr++;
+          to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
+          if(to_t == CURL_OFFT_FLOW) {
+            return CURLE_RANGE_ERROR;
+          }
+          if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
+             || (to >= size)) {
+            to = size - 1;
+          }
+          if(from_t) {
+            /* from is relative to end of file */
+            from = size - to;
+            to = size - 1;
+          }
+          if(from > size) {
+            failf(data, "Offset (%"
+                  CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+                  CURL_FORMAT_CURL_OFF_T ")", from, size);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+          if(from > to) {
+            from = to;
+            size = 0;
+          }
+          else {
+            size = to - from + 1;
+          }
+
+          rc = sftp_seek64(sshc->sftp_file, from);
+          if(rc != 0) {
+            MOVE_TO_SFTP_CLOSE_STATE();
+          }
+        }
+        data->req.size = size;
+        data->req.maxdownload = size;
+        Curl_pgrsSetDownloadSize(data, size);
+      }
+
+      /* We can resume if we can seek to the resume position */
+      if(data->state.resume_from) {
+        if(data->state.resume_from < 0) {
+          /* We're supposed to download the last abs(from) bytes */
+          if((curl_off_t)size < -data->state.resume_from) {
+            failf(data, "Offset (%"
+                  CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+                  CURL_FORMAT_CURL_OFF_T ")",
+                  data->state.resume_from, size);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+          /* download from where? */
+          data->state.resume_from += size;
+        }
+        else {
+          if((curl_off_t)size < data->state.resume_from) {
+            failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+                  ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+                  data->state.resume_from, size);
+            return CURLE_BAD_DOWNLOAD_RESUME;
+          }
+        }
+        /* Does a completed file need to be seeked and started or closed ? */
+        /* Now store the number of bytes we are expected to download */
+        data->req.size = size - data->state.resume_from;
+        data->req.maxdownload = size - data->state.resume_from;
+        Curl_pgrsSetDownloadSize(data,
+                                 size - data->state.resume_from);
+
+        rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
+        if(rc != 0) {
+          MOVE_TO_SFTP_CLOSE_STATE();
+        }
+      }
+    }
+
+    /* Setup the actual download */
+    if(data->req.size == 0) {
+      /* no data to transfer */
+      Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
+      infof(data, "File already completely downloaded\n");
+      state(conn, SSH_STOP);
+      break;
+    }
+    Curl_setup_transfer(conn, FIRSTSOCKET, data->req.size,
+                        FALSE, NULL, -1, NULL);
+
+    /* not set by Curl_setup_transfer to preserve keepon bits */
+    conn->writesockfd = conn->sockfd;
+
+    /* we want to use the _receiving_ function even when the socket turns
+       out writableable as the underlying libssh recv function will deal
+       with both accordingly */
+    conn->cselect_bits = CURL_CSELECT_IN;
+
+    if(result) {
+      /* this should never occur; the close state should be entered
+         at the time the error occurs */
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->actualcode = result;
+    }
+    else {
+      sshc->sftp_recv_state = 0;
+      state(conn, SSH_STOP);
+    }
+    break;
+
+    case SSH_SFTP_CLOSE:
+      if(sshc->sftp_file) {
+        sftp_close(sshc->sftp_file);
+        sshc->sftp_file = NULL;
+      }
+      Curl_safefree(protop->path);
+
+      DEBUGF(infof(data, "SFTP DONE done\n"));
+
+      /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
+         After nextstate is executed, the control should come back to
+         SSH_SFTP_CLOSE to pass the correct result back  */
+      if(sshc->nextstate != SSH_NO_STATE &&
+         sshc->nextstate != SSH_SFTP_CLOSE) {
+        state(conn, sshc->nextstate);
+        sshc->nextstate = SSH_SFTP_CLOSE;
+      }
+      else {
+        state(conn, SSH_STOP);
+        result = sshc->actualcode;
+      }
+      break;
+
+    case SSH_SFTP_SHUTDOWN:
+      /* during times we get here due to a broken transfer and then the
+         sftp_handle might not have been taken down so make sure that is done
+         before we proceed */
+
+      if(sshc->sftp_file) {
+        sftp_close(sshc->sftp_file);
+        sshc->sftp_file = NULL;
+      }
+
+      if(sshc->sftp_session) {
+        sftp_free(sshc->sftp_session);
+        sshc->sftp_session = NULL;
+      }
+
+      Curl_safefree(sshc->homedir);
+      conn->data->state.most_recent_ftp_entrypath = NULL;
+
+      state(conn, SSH_SESSION_DISCONNECT);
+      break;
+
+
+    case SSH_SCP_TRANS_INIT:
+      result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
+      if(result) {
+        sshc->actualcode = result;
+        state(conn, SSH_STOP);
+        break;
+      }
+
+      /* Functions from the SCP subsystem cannot handle/return SSH_AGAIN */
+      ssh_set_blocking(sshc->ssh_session, 1);
+
+      if(data->set.upload) {
+        if(data->state.infilesize < 0) {
+          failf(data, "SCP requires a known file size for upload");
+          sshc->actualcode = CURLE_UPLOAD_FAILED;
+          MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+        }
+
+        sshc->scp_session =
+          ssh_scp_new(sshc->ssh_session, SSH_SCP_WRITE, protop->path);
+        state(conn, SSH_SCP_UPLOAD_INIT);
+      }
+      else {
+        sshc->scp_session =
+          ssh_scp_new(sshc->ssh_session, SSH_SCP_READ, protop->path);
+        state(conn, SSH_SCP_DOWNLOAD_INIT);
+      }
+
+      if(!sshc->scp_session) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+      }
+
+      break;
+
+    case SSH_SCP_UPLOAD_INIT:
+
+      rc = ssh_scp_init(sshc->scp_session);
+      if(rc != SSH_OK) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+      }
+
+      rc = ssh_scp_push_file(sshc->scp_session, protop->path,
+                             data->state.infilesize,
+                             (int)data->set.new_file_perms);
+      if(rc != SSH_OK) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+      }
+
+      /* upload data */
+      Curl_setup_transfer(conn, -1, data->req.size, FALSE, NULL,
+                          FIRSTSOCKET, NULL);
+
+      /* not set by Curl_setup_transfer to preserve keepon bits */
+      conn->sockfd = conn->writesockfd;
+
+      /* store this original bitmask setup to use later on if we can't
+         figure out a "real" bitmask */
+      sshc->orig_waitfor = data->req.keepon;
+
+      /* we want to use the _sending_ function even when the socket turns
+         out readable as the underlying libssh scp send function will deal
+         with both accordingly */
+      conn->cselect_bits = CURL_CSELECT_OUT;
+
+      state(conn, SSH_STOP);
+
+      break;
+
+    case SSH_SCP_DOWNLOAD_INIT:
+
+      rc = ssh_scp_init(sshc->scp_session);
+      if(rc != SSH_OK) {
+        err_msg = ssh_get_error(sshc->ssh_session);
+        failf(conn->data, "%s", err_msg);
+        MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+      }
+      state(conn, SSH_SCP_DOWNLOAD);
+      /* fall through */
+
+    case SSH_SCP_DOWNLOAD:{
+        curl_off_t bytecount;
+
+        rc = ssh_scp_pull_request(sshc->scp_session);
+        if(rc != SSH_SCP_REQUEST_NEWFILE) {
+          err_msg = ssh_get_error(sshc->ssh_session);
+          failf(conn->data, "%s", err_msg);
+          MOVE_TO_ERROR_STATE(CURLE_REMOTE_FILE_NOT_FOUND);
+          break;
+        }
+
+        /* download data */
+        bytecount = ssh_scp_request_get_size(sshc->scp_session);
+        data->req.maxdownload = (curl_off_t) bytecount;
+        Curl_setup_transfer(conn, FIRSTSOCKET, bytecount, FALSE, NULL, -1,
+                            NULL);
+
+        /* not set by Curl_setup_transfer to preserve keepon bits */
+        conn->writesockfd = conn->sockfd;
+
+        /* we want to use the _receiving_ function even when the socket turns
+           out writableable as the underlying libssh recv function will deal
+           with both accordingly */
+        conn->cselect_bits = CURL_CSELECT_IN;
+
+        state(conn, SSH_STOP);
+        break;
+      }
+    case SSH_SCP_DONE:
+      if(data->set.upload)
+        state(conn, SSH_SCP_SEND_EOF);
+      else
+        state(conn, SSH_SCP_CHANNEL_FREE);
+      break;
+
+    case SSH_SCP_SEND_EOF:
+      if(sshc->scp_session) {
+        rc = ssh_scp_close(sshc->scp_session);
+        if(rc == SSH_AGAIN) {
+          /* Currently the ssh_scp_close handles waiting for EOF in
+           * blocking way.
+           */
+          break;
+        }
+        if(rc != SSH_OK) {
+          infof(data, "Failed to close libssh scp channel: %s\n",
+                ssh_get_error(sshc->ssh_session));
+        }
+      }
+
+      state(conn, SSH_SCP_CHANNEL_FREE);
+      break;
+
+    case SSH_SCP_CHANNEL_FREE:
+      if(sshc->scp_session) {
+        ssh_scp_free(sshc->scp_session);
+        sshc->scp_session = NULL;
+      }
+      DEBUGF(infof(data, "SCP DONE phase complete\n"));
+
+      ssh_set_blocking(sshc->ssh_session, 0);
+
+      state(conn, SSH_SESSION_DISCONNECT);
+      /* fall through */
+
+    case SSH_SESSION_DISCONNECT:
+      /* during weird times when we've been prematurely aborted, the channel
+         is still alive when we reach this state and we MUST kill the channel
+         properly first */
+      if(sshc->scp_session) {
+        ssh_scp_free(sshc->scp_session);
+        sshc->scp_session = NULL;
+      }
+
+      ssh_disconnect(sshc->ssh_session);
+
+      Curl_safefree(sshc->homedir);
+      conn->data->state.most_recent_ftp_entrypath = NULL;
+
+      state(conn, SSH_SESSION_FREE);
+      /* fall through */
+    case SSH_SESSION_FREE:
+      if(sshc->ssh_session) {
+        ssh_free(sshc->ssh_session);
+        sshc->ssh_session = NULL;
+      }
+
+      /* worst-case scenario cleanup */
+
+      DEBUGASSERT(sshc->ssh_session == NULL);
+      DEBUGASSERT(sshc->scp_session == NULL);
+
+      if(sshc->readdir_tmp) {
+        ssh_string_free_char(sshc->readdir_tmp);
+        sshc->readdir_tmp = NULL;
+      }
+
+      if(sshc->quote_attrs)
+        sftp_attributes_free(sshc->quote_attrs);
+
+      if(sshc->readdir_attrs)
+        sftp_attributes_free(sshc->readdir_attrs);
+
+      if(sshc->readdir_link_attrs)
+        sftp_attributes_free(sshc->readdir_link_attrs);
+
+      if(sshc->privkey)
+        ssh_key_free(sshc->privkey);
+      if(sshc->pubkey)
+        ssh_key_free(sshc->pubkey);
+
+      Curl_safefree(sshc->rsa_pub);
+      Curl_safefree(sshc->rsa);
+
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+
+      Curl_safefree(sshc->homedir);
+
+      Curl_safefree(sshc->readdir_line);
+      Curl_safefree(sshc->readdir_linkPath);
+
+      /* the code we are about to return */
+      result = sshc->actualcode;
+
+      memset(sshc, 0, sizeof(struct ssh_conn));
+
+      connclose(conn, "SSH session free");
+      sshc->state = SSH_SESSION_FREE;   /* current */
+      sshc->nextstate = SSH_NO_STATE;
+      state(conn, SSH_STOP);
+      break;
+
+    case SSH_QUIT:
+      /* fallthrough, just stop! */
+    default:
+      /* internal error */
+      sshc->nextstate = SSH_NO_STATE;
+      state(conn, SSH_STOP);
+      break;
+
+    }
+  } while(!rc && (sshc->state != SSH_STOP));
+
+
+  if(rc == SSH_AGAIN) {
+    /* we would block, we need to wait for the socket to be ready (in the
+       right direction too)! */
+    *block = TRUE;
+  }
+
+  return result;
+}
+
+
+/* called by the multi interface to figure out what socket(s) to wait for and
+   for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
+static int myssh_perform_getsock(const struct connectdata *conn,
+                                 curl_socket_t *sock,  /* points to numsocks
+                                                          number of sockets */
+                                 int numsocks)
+{
+  int bitmap = GETSOCK_BLANK;
+  (void) numsocks;
+
+  sock[0] = conn->sock[FIRSTSOCKET];
+
+  if(conn->waitfor & KEEP_RECV)
+    bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
+
+  if(conn->waitfor & KEEP_SEND)
+    bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
+
+  return bitmap;
+}
+
+/* Generic function called by the multi interface to figure out what socket(s)
+   to wait for and for what actions during the DOING and PROTOCONNECT states*/
+static int myssh_getsock(struct connectdata *conn,
+                         curl_socket_t *sock,  /* points to numsocks
+                                                   number of sockets */
+                         int numsocks)
+{
+  /* if we know the direction we can use the generic *_getsock() function even
+     for the protocol_connect and doing states */
+  return myssh_perform_getsock(conn, sock, numsocks);
+}
+
+static void myssh_block2waitfor(struct connectdata *conn, bool block)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  int dir;
+
+  /* If it didn't block, or nothing was returned by ssh_get_poll_flags
+   * have the original set */
+  conn->waitfor = sshc->orig_waitfor;
+
+  if(block) {
+    dir = ssh_get_poll_flags(sshc->ssh_session);
+    if(dir & SSH_READ_PENDING) {
+      /* translate the libssh define bits into our own bit defines */
+      conn->waitfor = KEEP_RECV;
+    }
+    else if(dir & SSH_WRITE_PENDING) {
+      conn->waitfor = KEEP_SEND;
+    }
+  }
+}
+
+/* called repeatedly until done from multi.c */
+static CURLcode myssh_multi_statemach(struct connectdata *conn,
+                                      bool *done)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result = CURLE_OK;
+  bool block;    /* we store the status and use that to provide a ssh_getsock()
+                    implementation */
+
+  result = myssh_statemach_act(conn, &block);
+  *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
+  myssh_block2waitfor(conn, block);
+
+  return result;
+}
+
+static CURLcode myssh_block_statemach(struct connectdata *conn,
+                                      bool disconnect)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result = CURLE_OK;
+  struct Curl_easy *data = conn->data;
+
+  while((sshc->state != SSH_STOP) && !result) {
+    bool block;
+    timediff_t left = 1000;
+    struct curltime now = Curl_now();
+
+    result = myssh_statemach_act(conn, &block);
+    if(result)
+      break;
+
+    if(!disconnect) {
+      if(Curl_pgrsUpdate(conn))
+        return CURLE_ABORTED_BY_CALLBACK;
+
+      result = Curl_speedcheck(data, now);
+      if(result)
+        break;
+
+      left = Curl_timeleft(data, NULL, FALSE);
+      if(left < 0) {
+        failf(data, "Operation timed out");
+        return CURLE_OPERATION_TIMEDOUT;
+      }
+    }
+
+    if(!result && block) {
+      curl_socket_t sock = conn->sock[FIRSTSOCKET];
+      curl_socket_t fd_read = CURL_SOCKET_BAD;
+      fd_read = sock;
+      /* wait for the socket to become ready */
+      (void) Curl_socket_check(fd_read, CURL_SOCKET_BAD,
+                               CURL_SOCKET_BAD, left > 1000 ? 1000 : left);
+    }
+
+  }
+
+  return result;
+}
+
+/*
+ * SSH setup connection
+ */
+static CURLcode myssh_setup_connection(struct connectdata *conn)
+{
+  struct SSHPROTO *ssh;
+
+  conn->data->req.protop = ssh = calloc(1, sizeof(struct SSHPROTO));
+  if(!ssh)
+    return CURLE_OUT_OF_MEMORY;
+
+  return CURLE_OK;
+}
+
+static Curl_recv scp_recv, sftp_recv;
+static Curl_send scp_send, sftp_send;
+
+/*
+ * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
+ * do protocol-specific actions at connect-time.
+ */
+static CURLcode myssh_connect(struct connectdata *conn, bool *done)
+{
+  struct ssh_conn *ssh;
+  CURLcode result;
+  struct Curl_easy *data = conn->data;
+  int rc;
+
+  /* initialize per-handle data if not already */
+  if(!data->req.protop)
+    myssh_setup_connection(conn);
+
+  /* We default to persistent connections. We set this already in this connect
+     function to make the re-use checks properly be able to check this bit. */
+  connkeep(conn, "SSH default");
+
+  if(conn->handler->protocol & CURLPROTO_SCP) {
+    conn->recv[FIRSTSOCKET] = scp_recv;
+    conn->send[FIRSTSOCKET] = scp_send;
+  }
+  else {
+    conn->recv[FIRSTSOCKET] = sftp_recv;
+    conn->send[FIRSTSOCKET] = sftp_send;
+  }
+
+  ssh = &conn->proto.sshc;
+
+  ssh->ssh_session = ssh_new();
+  if(ssh->ssh_session == NULL) {
+    failf(data, "Failure initialising ssh session");
+    return CURLE_FAILED_INIT;
+  }
+
+  if(conn->user) {
+    infof(data, "User: %s\n", conn->user);
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_USER, conn->user);
+  }
+
+  if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+    infof(data, "Known hosts: %s\n", data->set.str[STRING_SSH_KNOWNHOSTS]);
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_KNOWNHOSTS,
+                    data->set.str[STRING_SSH_KNOWNHOSTS]);
+  }
+
+  ssh_options_set(ssh->ssh_session, SSH_OPTIONS_HOST, conn->host.name);
+  if(conn->remote_port)
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_PORT,
+                    &conn->remote_port);
+
+  if(data->set.ssh_compression) {
+    ssh_options_set(ssh->ssh_session, SSH_OPTIONS_COMPRESSION,
+                    "zlib,zlib@openssh.com,none");
+  }
+
+  ssh->privkey = NULL;
+  ssh->pubkey = NULL;
+
+  if(data->set.str[STRING_SSH_PUBLIC_KEY]) {
+    rc = ssh_pki_import_pubkey_file(data->set.str[STRING_SSH_PUBLIC_KEY],
+                                    &ssh->pubkey);
+    if(rc != SSH_OK) {
+      failf(data, "Could not load public key file");
+      /* ignore */
+    }
+  }
+
+  /* we do not verify here, we do it at the state machine,
+   * after connection */
+
+  state(conn, SSH_INIT);
+
+  result = myssh_multi_statemach(conn, done);
+
+  return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done)
+{
+  CURLcode result;
+
+  result = myssh_multi_statemach(conn, dophase_done);
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  return result;
+}
+
+/*
+ ***********************************************************************
+ *
+ * scp_perform()
+ *
+ * This is the actual DO function for SCP. Get a file according to
+ * the options previously setup.
+ */
+
+static
+CURLcode scp_perform(struct connectdata *conn,
+                     bool *connected, bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  *dophase_done = FALSE;        /* not done yet */
+
+  /* start the first command in the DO phase */
+  state(conn, SSH_SCP_TRANS_INIT);
+
+  result = myssh_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+static CURLcode myssh_do_it(struct connectdata *conn, bool *done)
+{
+  CURLcode result;
+  bool connected = 0;
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+
+  *done = FALSE;                /* default to false */
+
+  data->req.size = -1;          /* make sure this is unknown at this point */
+
+  sshc->actualcode = CURLE_OK;  /* reset error code */
+  sshc->secondCreateDirs = 0;   /* reset the create dir attempt state
+                                   variable */
+
+  Curl_pgrsSetUploadCounter(data, 0);
+  Curl_pgrsSetDownloadCounter(data, 0);
+  Curl_pgrsSetUploadSize(data, -1);
+  Curl_pgrsSetDownloadSize(data, -1);
+
+  if(conn->handler->protocol & CURLPROTO_SCP)
+    result = scp_perform(conn, &connected, done);
+  else
+    result = sftp_perform(conn, &connected, done);
+
+  return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+   this is still blocking is that the multi interface code has no support for
+   disconnecting operations that takes a while */
+static CURLcode scp_disconnect(struct connectdata *conn,
+                               bool dead_connection)
+{
+  CURLcode result = CURLE_OK;
+  struct ssh_conn *ssh = &conn->proto.sshc;
+  (void) dead_connection;
+
+  if(ssh->ssh_session) {
+    /* only if there's a session still around to use! */
+
+    state(conn, SSH_SESSION_DISCONNECT);
+
+    result = myssh_block_statemach(conn, TRUE);
+  }
+
+  return result;
+}
+
+/* generic done function for both SCP and SFTP called from their specific
+   done functions */
+static CURLcode myssh_done(struct connectdata *conn, CURLcode status)
+{
+  CURLcode result = CURLE_OK;
+  struct SSHPROTO *protop = conn->data->req.protop;
+
+  if(!status) {
+    /* run the state-machine
+
+       TODO: when the multi interface is used, this _really_ should be using
+       the ssh_multi_statemach function but we have no general support for
+       non-blocking DONE operations!
+     */
+    result = myssh_block_statemach(conn, FALSE);
+  }
+  else
+    result = status;
+
+  if(protop)
+    Curl_safefree(protop->path);
+  if(Curl_pgrsDone(conn))
+    return CURLE_ABORTED_BY_CALLBACK;
+
+  conn->data->req.keepon = 0;   /* clear all bits */
+  return result;
+}
+
+
+static CURLcode scp_done(struct connectdata *conn, CURLcode status,
+                         bool premature)
+{
+  (void) premature;             /* not used */
+
+  if(!status)
+    state(conn, SSH_SCP_DONE);
+
+  return myssh_done(conn, status);
+
+}
+
+static ssize_t scp_send(struct connectdata *conn, int sockindex,
+                        const void *mem, size_t len, CURLcode *err)
+{
+  int rc;
+  (void) sockindex; /* we only support SCP on the fixed known primary socket */
+  (void) err;
+
+  rc = ssh_scp_write(conn->proto.sshc.scp_session, mem, len);
+
+#if 0
+  /* The following code is misleading, mostly added as wishful thinking
+   * that libssh at some point will implement non-blocking ssh_scp_write/read.
+   * Currently rc can only be number of bytes read or SSH_ERROR. */
+  myssh_block2waitfor(conn, (rc == SSH_AGAIN) ? TRUE : FALSE);
+
+  if(rc == SSH_AGAIN) {
+    *err = CURLE_AGAIN;
+    return 0;
+  }
+  else
+#endif
+  if(rc != SSH_OK) {
+    *err = CURLE_SSH;
+    return -1;
+  }
+
+  return len;
+}
+
+static ssize_t scp_recv(struct connectdata *conn, int sockindex,
+                        char *mem, size_t len, CURLcode *err)
+{
+  ssize_t nread;
+  (void) err;
+  (void) sockindex; /* we only support SCP on the fixed known primary socket */
+
+  /* libssh returns int */
+  nread = ssh_scp_read(conn->proto.sshc.scp_session, mem, len);
+
+#if 0
+  /* The following code is misleading, mostly added as wishful thinking
+   * that libssh at some point will implement non-blocking ssh_scp_write/read.
+   * Currently rc can only be SSH_OK or SSH_ERROR. */
+
+  myssh_block2waitfor(conn, (nread == SSH_AGAIN) ? TRUE : FALSE);
+  if(nread == SSH_AGAIN) {
+    *err = CURLE_AGAIN;
+    nread = -1;
+  }
+#endif
+
+  return nread;
+}
+
+/*
+ * =============== SFTP ===============
+ */
+
+/*
+ ***********************************************************************
+ *
+ * sftp_perform()
+ *
+ * This is the actual DO function for SFTP. Get a file/directory according to
+ * the options previously setup.
+ */
+
+static
+CURLcode sftp_perform(struct connectdata *conn,
+                      bool *connected,
+                      bool *dophase_done)
+{
+  CURLcode result = CURLE_OK;
+
+  DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+  *dophase_done = FALSE; /* not done yet */
+
+  /* start the first command in the DO phase */
+  state(conn, SSH_SFTP_QUOTE_INIT);
+
+  /* run the state-machine */
+  result = myssh_multi_statemach(conn, dophase_done);
+
+  *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+
+  return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode sftp_doing(struct connectdata *conn,
+                           bool *dophase_done)
+{
+  CURLcode result = myssh_multi_statemach(conn, dophase_done);
+  if(*dophase_done) {
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
+  }
+  return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+   this is still blocking is that the multi interface code has no support for
+   disconnecting operations that takes a while */
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+  CURLcode result = CURLE_OK;
+  (void) dead_connection;
+
+  DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
+
+  if(conn->proto.sshc.ssh_session) {
+    /* only if there's a session still around to use! */
+    state(conn, SSH_SFTP_SHUTDOWN);
+    result = myssh_block_statemach(conn, TRUE);
+  }
+
+  DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
+
+  return result;
+
+}
+
+static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
+                               bool premature)
+{
+  struct ssh_conn *sshc = &conn->proto.sshc;
+
+  if(!status) {
+    /* Post quote commands are executed after the SFTP_CLOSE state to avoid
+       errors that could happen due to open file handles during POSTQUOTE
+       operation */
+    if(!status && !premature && conn->data->set.postquote) {
+      sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
+      state(conn, SSH_SFTP_CLOSE);
+    }
+    else
+      state(conn, SSH_SFTP_CLOSE);
+  }
+  return myssh_done(conn, status);
+}
+
+/* return number of sent bytes */
+static ssize_t sftp_send(struct connectdata *conn, int sockindex,
+                         const void *mem, size_t len, CURLcode *err)
+{
+  ssize_t nwrite;
+  (void)sockindex;
+
+  nwrite = sftp_write(conn->proto.sshc.sftp_file, mem, len);
+
+  myssh_block2waitfor(conn, FALSE);
+
+#if 0 /* not returned by libssh on write */
+  if(nwrite == SSH_AGAIN) {
+    *err = CURLE_AGAIN;
+    nwrite = 0;
+  }
+  else
+#endif
+  if(nwrite < 0) {
+    *err = CURLE_SSH;
+    nwrite = -1;
+  }
+
+  return nwrite;
+}
+
+/*
+ * Return number of received (decrypted) bytes
+ * or <0 on error
+ */
+static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
+                         char *mem, size_t len, CURLcode *err)
+{
+  ssize_t nread;
+  (void)sockindex;
+
+  if(len >= (size_t)1<<32)
+    len = (size_t)(1<<31)-1;
+
+  switch(conn->proto.sshc.sftp_recv_state) {
+    case 0:
+      conn->proto.sshc.sftp_file_index =
+            sftp_async_read_begin(conn->proto.sshc.sftp_file,
+                                  (uint32_t)len);
+      if(conn->proto.sshc.sftp_file_index < 0) {
+        *err = CURLE_RECV_ERROR;
+        return -1;
+      }
+
+      /* fall-through */
+    case 1:
+      conn->proto.sshc.sftp_recv_state = 1;
+
+      nread = sftp_async_read(conn->proto.sshc.sftp_file,
+                              mem, (uint32_t)len,
+                              conn->proto.sshc.sftp_file_index);
+
+      myssh_block2waitfor(conn, (nread == SSH_AGAIN)?TRUE:FALSE);
+
+      if(nread == SSH_AGAIN) {
+        *err = CURLE_AGAIN;
+        return -1;
+      }
+      else if(nread < 0) {
+        *err = CURLE_RECV_ERROR;
+        return -1;
+      }
+
+      conn->proto.sshc.sftp_recv_state = 0;
+      return nread;
+
+    default:
+      /* we never reach here */
+      return -1;
+  }
+}
+
+static void sftp_quote(struct connectdata *conn)
+{
+  const char *cp;
+  struct Curl_easy *data = conn->data;
+  struct SSHPROTO *protop = data->req.protop;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  CURLcode result;
+
+  /*
+   * Support some of the "FTP" commands
+   */
+  char *cmd = sshc->quote_item->data;
+  sshc->acceptfail = FALSE;
+
+  /* if a command starts with an asterisk, which a legal SFTP command never
+     can, the command will be allowed to fail without it causing any
+     aborts or cancels etc. It will cause libcurl to act as if the command
+     is successful, whatever the server reponds. */
+
+  if(cmd[0] == '*') {
+    cmd++;
+    sshc->acceptfail = TRUE;
+  }
+
+  if(strcasecompare("pwd", cmd)) {
+    /* output debug output if that is requested */
+    char *tmp = aprintf("257 \"%s\" is current directory.\n",
+                        protop->path);
+    if(!tmp) {
+      sshc->actualcode = CURLE_OUT_OF_MEMORY;
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      return;
+    }
+    if(data->set.verbose) {
+      Curl_debug(data, CURLINFO_HEADER_OUT, (char *) "PWD\n", 4, conn);
+      Curl_debug(data, CURLINFO_HEADER_IN, tmp, strlen(tmp), conn);
+    }
+    /* this sends an FTP-like "header" to the header callback so that the
+       current directory can be read very similar to how it is read when
+       using ordinary FTP. */
+    result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+    free(tmp);
+    if(result) {
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+    }
+    else
+      state(conn, SSH_SFTP_NEXT_QUOTE);
+    return;
+  }
+
+  /*
+   * the arguments following the command must be separated from the
+   * command with a space so we can check for it unconditionally
+   */
+  cp = strchr(cmd, ' ');
+  if(cp == NULL) {
+    failf(data, "Syntax error in SFTP command. Supply parameter(s)!");
+    state(conn, SSH_SFTP_CLOSE);
+    sshc->nextstate = SSH_NO_STATE;
+    sshc->actualcode = CURLE_QUOTE_ERROR;
+    return;
+  }
+
+  /*
+   * also, every command takes at least one argument so we get that
+   * first argument right now
+   */
+  result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
+  if(result) {
+    if(result == CURLE_OUT_OF_MEMORY)
+      failf(data, "Out of memory");
+    else
+      failf(data, "Syntax error: Bad first parameter");
+    state(conn, SSH_SFTP_CLOSE);
+    sshc->nextstate = SSH_NO_STATE;
+    sshc->actualcode = result;
+    return;
+  }
+
+  /*
+   * SFTP is a binary protocol, so we don't send text commands
+   * to the server. Instead, we scan for commands used by
+   * OpenSSH's sftp program and call the appropriate libssh
+   * functions.
+   */
+  if(strncasecompare(cmd, "chgrp ", 6) ||
+     strncasecompare(cmd, "chmod ", 6) ||
+     strncasecompare(cmd, "chown ", 6)) {
+    /* attribute change */
+
+    /* sshc->quote_path1 contains the mode to set */
+    /* get the destination */
+    result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+    if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        failf(data, "Out of memory");
+      else
+        failf(data, "Syntax error in chgrp/chmod/chown: "
+              "Bad second parameter");
+      Curl_safefree(sshc->quote_path1);
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+      return;
+    }
+    sshc->quote_attrs = NULL;
+    state(conn, SSH_SFTP_QUOTE_STAT);
+    return;
+  }
+  if(strncasecompare(cmd, "ln ", 3) ||
+     strncasecompare(cmd, "symlink ", 8)) {
+    /* symbolic linking */
+    /* sshc->quote_path1 is the source */
+    /* get the destination */
+    result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+    if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        failf(data, "Out of memory");
+      else
+        failf(data, "Syntax error in ln/symlink: Bad second parameter");
+      Curl_safefree(sshc->quote_path1);
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+      return;
+    }
+    state(conn, SSH_SFTP_QUOTE_SYMLINK);
+    return;
+  }
+  else if(strncasecompare(cmd, "mkdir ", 6)) {
+    /* create dir */
+    state(conn, SSH_SFTP_QUOTE_MKDIR);
+    return;
+  }
+  else if(strncasecompare(cmd, "rename ", 7)) {
+    /* rename file */
+    /* first param is the source path */
+    /* second param is the dest. path */
+    result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+    if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        failf(data, "Out of memory");
+      else
+        failf(data, "Syntax error in rename: Bad second parameter");
+      Curl_safefree(sshc->quote_path1);
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = result;
+      return;
+    }
+    state(conn, SSH_SFTP_QUOTE_RENAME);
+    return;
+  }
+  else if(strncasecompare(cmd, "rmdir ", 6)) {
+    /* delete dir */
+    state(conn, SSH_SFTP_QUOTE_RMDIR);
+    return;
+  }
+  else if(strncasecompare(cmd, "rm ", 3)) {
+    state(conn, SSH_SFTP_QUOTE_UNLINK);
+    return;
+  }
+#ifdef HAS_STATVFS_SUPPORT
+  else if(strncasecompare(cmd, "statvfs ", 8)) {
+    state(conn, SSH_SFTP_QUOTE_STATVFS);
+    return;
+  }
+#endif
+
+  failf(data, "Unknown SFTP command");
+  Curl_safefree(sshc->quote_path1);
+  Curl_safefree(sshc->quote_path2);
+  state(conn, SSH_SFTP_CLOSE);
+  sshc->nextstate = SSH_NO_STATE;
+  sshc->actualcode = CURLE_QUOTE_ERROR;
+}
+
+static void sftp_quote_stat(struct connectdata *conn)
+{
+  struct Curl_easy *data = conn->data;
+  struct ssh_conn *sshc = &conn->proto.sshc;
+  char *cmd = sshc->quote_item->data;
+  sshc->acceptfail = FALSE;
+
+  /* if a command starts with an asterisk, which a legal SFTP command never
+     can, the command will be allowed to fail without it causing any
+     aborts or cancels etc. It will cause libcurl to act as if the command
+     is successful, whatever the server reponds. */
+
+  if(cmd[0] == '*') {
+    cmd++;
+    sshc->acceptfail = TRUE;
+  }
+
+  /* We read the file attributes, store them in sshc->quote_attrs
+   * and modify them accordingly to command. Then we switch to
+   * QUOTE_SETSTAT state to write new ones.
+   */
+
+  if(sshc->quote_attrs)
+    sftp_attributes_free(sshc->quote_attrs);
+  sshc->quote_attrs = sftp_stat(sshc->sftp_session, sshc->quote_path2);
+  if(sshc->quote_attrs == NULL) {
+    Curl_safefree(sshc->quote_path1);
+    Curl_safefree(sshc->quote_path2);
+    failf(data, "Attempt to get SFTP stats failed: %d",
+          sftp_get_error(sshc->sftp_session));
+    state(conn, SSH_SFTP_CLOSE);
+    sshc->nextstate = SSH_NO_STATE;
+    sshc->actualcode = CURLE_QUOTE_ERROR;
+    return;
+  }
+
+  /* Now set the new attributes... */
+  if(strncasecompare(cmd, "chgrp", 5)) {
+    sshc->quote_attrs->gid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
+    if(sshc->quote_attrs->gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+        !sshc->acceptfail) {
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      failf(data, "Syntax error: chgrp gid not a number");
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_QUOTE_ERROR;
+      return;
+    }
+    sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
+  }
+  else if(strncasecompare(cmd, "chmod", 5)) {
+    mode_t perms;
+    perms = (mode_t)strtoul(sshc->quote_path1, NULL, 8);
+    /* permissions are octal */
+    if(perms == 0 && !ISDIGIT(sshc->quote_path1[0])) {
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      failf(data, "Syntax error: chmod permissions not a number");
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_QUOTE_ERROR;
+      return;
+    }
+    sshc->quote_attrs->permissions = perms;
+    sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_PERMISSIONS;
+  }
+  else if(strncasecompare(cmd, "chown", 5)) {
+    sshc->quote_attrs->uid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
+    if(sshc->quote_attrs->uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+        !sshc->acceptfail) {
+      Curl_safefree(sshc->quote_path1);
+      Curl_safefree(sshc->quote_path2);
+      failf(data, "Syntax error: chown uid not a number");
+      state(conn, SSH_SFTP_CLOSE);
+      sshc->nextstate = SSH_NO_STATE;
+      sshc->actualcode = CURLE_QUOTE_ERROR;
+      return;
+    }
+    sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
+  }
+
+  /* Now send the completed structure... */
+  state(conn, SSH_SFTP_QUOTE_SETSTAT);
+  return;
+}
+
+
+#endif                          /* USE_LIBSSH */
diff --git a/Utilities/cmcurl/lib/ssh.c b/Utilities/cmcurl/lib/ssh.c
index 5406bf073d..a86ed706e1 100644
--- a/Utilities/cmcurl/lib/ssh.c
+++ b/Utilities/cmcurl/lib/ssh.c
@@ -26,9 +26,7 @@
 
 #ifdef USE_LIBSSH2
 
-#ifdef HAVE_LIMITS_H
-#  include <limits.h>
-#endif
+#include <limits.h>
 
 #include <libssh2.h>
 #include <libssh2_sftp.h>
@@ -87,21 +85,9 @@
 /* The last 3 #include files should be in this order */
 #include "curl_printf.h"
 #include "curl_memory.h"
+#include "curl_path.h"
 #include "memdebug.h"
 
-#ifdef WIN32
-#  undef  PATH_MAX
-#  define PATH_MAX MAX_PATH
-#  ifndef R_OK
-#    define R_OK 4
-#  endif
-#endif
-
-#ifndef PATH_MAX
-#define PATH_MAX 1024 /* just an extra precaution since there are systems that
-                         have their definition hidden well */
-#endif
-
 #if LIBSSH2_VERSION_NUM >= 0x010206
 /* libssh2_sftp_statvfs and friends were added in 1.2.6 */
 #define HAS_STATVFS_SUPPORT 1
@@ -120,16 +106,10 @@ static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc);
 static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc);
 static LIBSSH2_FREE_FUNC(my_libssh2_free);
 
-static CURLcode get_pathname(const char **cpp, char **path);
-
 static CURLcode ssh_connect(struct connectdata *conn, bool *done);
 static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done);
 static CURLcode ssh_do(struct connectdata *conn, bool *done);
 
-static CURLcode ssh_getworkingpath(struct connectdata *conn,
-                                   char *homedir, /* when SFTP is used */
-                                   char **path);
-
 static CURLcode scp_done(struct connectdata *conn,
                          CURLcode, bool premature);
 static CURLcode scp_doing(struct connectdata *conn,
@@ -279,6 +259,11 @@ static CURLcode libssh2_session_error_to_CURLE(int err)
     case LIBSSH2_ERROR_NONE:
       return CURLE_OK;
 
+    /* This is the error returned by libssh2_scp_recv2
+     * on unknown file */
+    case LIBSSH2_ERROR_SCP_PROTOCOL:
+      return CURLE_REMOTE_FILE_NOT_FOUND;
+
     case LIBSSH2_ERROR_SOCKET_NONE:
       return CURLE_COULDNT_CONNECT;
 
@@ -410,70 +395,6 @@ static void state(struct connectdata *conn, sshstate nowstate)
   sshc->state = nowstate;
 }
 
-/* figure out the path to work with in this particular request */
-static CURLcode ssh_getworkingpath(struct connectdata *conn,
-                                   char *homedir,  /* when SFTP is used */
-                                   char **path) /* returns the  allocated
-                                                   real path to work with */
-{
-  struct Curl_easy *data = conn->data;
-  char *real_path = NULL;
-  char *working_path;
-  size_t working_path_len;
-  CURLcode result =
-    Curl_urldecode(data, data->state.path, 0, &working_path,
-                   &working_path_len, FALSE);
-  if(result)
-    return result;
-
-  /* Check for /~/, indicating relative to the user's home directory */
-  if(conn->handler->protocol & CURLPROTO_SCP) {
-    real_path = malloc(working_path_len + 1);
-    if(real_path == NULL) {
-      free(working_path);
-      return CURLE_OUT_OF_MEMORY;
-    }
-    if((working_path_len > 3) && (!memcmp(working_path, "/~/", 3)))
-      /* It is referenced to the home directory, so strip the leading '/~/' */
-      memcpy(real_path, working_path + 3, 4 + working_path_len-3);
-    else
-      memcpy(real_path, working_path, 1 + working_path_len);
-  }
-  else if(conn->handler->protocol & CURLPROTO_SFTP) {
-    if((working_path_len > 1) && (working_path[1] == '~')) {
-      size_t homelen = strlen(homedir);
-      real_path = malloc(homelen + working_path_len + 1);
-      if(real_path == NULL) {
-        free(working_path);
-        return CURLE_OUT_OF_MEMORY;
-      }
-      /* It is referenced to the home directory, so strip the
-         leading '/' */
-      memcpy(real_path, homedir, homelen);
-      real_path[homelen] = '/';
-      real_path[homelen + 1] = '\0';
-      if(working_path_len > 3) {
-        memcpy(real_path + homelen + 1, working_path + 3,
-               1 + working_path_len -3);
-      }
-    }
-    else {
-      real_path = malloc(working_path_len + 1);
-      if(real_path == NULL) {
-        free(working_path);
-        return CURLE_OUT_OF_MEMORY;
-      }
-      memcpy(real_path, working_path, 1 + working_path_len);
-    }
-  }
-
-  free(working_path);
-
-  /* store the pointer for the caller to receive */
-  *path = real_path;
-
-  return CURLE_OK;
-}
 
 #ifdef HAVE_LIBSSH2_KNOWNHOST_API
 static int sshkeycallback(struct Curl_easy *easy,
@@ -1034,11 +955,11 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
                                     sshc->sshagent_identity);
 
         if(rc < 0) {
-          if(rc != LIBSSH2_ERROR_EAGAIN)
+          if(rc != LIBSSH2_ERROR_EAGAIN) {
             /* tried and failed? go to next identity */
             sshc->sshagent_prev_identity = sshc->sshagent_identity;
-          else
-            break;
+          }
+          break;
         }
       }
 
@@ -1184,7 +1105,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
 
     case SSH_SFTP_QUOTE_INIT:
 
-      result = ssh_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
+      result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
       if(result) {
         sshc->actualcode = result;
         state(conn, SSH_STOP);
@@ -1219,6 +1140,9 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
 
       /*
        * Support some of the "FTP" commands
+       *
+       * 'sshc->quote_item' is already verified to be non-NULL before it
+       * switched to this state.
        */
       char *cmd = sshc->quote_item->data;
       sshc->acceptfail = FALSE;
@@ -1261,7 +1185,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
           state(conn, SSH_SFTP_NEXT_QUOTE);
         break;
       }
-      if(cmd) {
+      {
         /*
          * the arguments following the command must be separated from the
          * command with a space so we can check for it unconditionally
@@ -1279,7 +1203,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
          * also, every command takes at least one argument so we get that
          * first argument right now
          */
-        result = get_pathname(&cp, &sshc->quote_path1);
+        result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
         if(result) {
           if(result == CURLE_OUT_OF_MEMORY)
             failf(data, "Out of memory");
@@ -1304,7 +1228,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
 
           /* sshc->quote_path1 contains the mode to set */
           /* get the destination */
-          result = get_pathname(&cp, &sshc->quote_path2);
+          result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
           if(result) {
             if(result == CURLE_OUT_OF_MEMORY)
               failf(data, "Out of memory");
@@ -1326,7 +1250,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
           /* symbolic linking */
           /* sshc->quote_path1 is the source */
           /* get the destination */
-          result = get_pathname(&cp, &sshc->quote_path2);
+          result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
           if(result) {
             if(result == CURLE_OUT_OF_MEMORY)
               failf(data, "Out of memory");
@@ -1351,7 +1275,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
           /* rename file */
           /* first param is the source path */
           /* second param is the dest. path */
-          result = get_pathname(&cp, &sshc->quote_path2);
+          result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
           if(result) {
             if(result == CURLE_OUT_OF_MEMORY)
               failf(data, "Out of memory");
@@ -1391,9 +1315,6 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
         break;
       }
     }
-    if(!sshc->quote_item) {
-      state(conn, SSH_SFTP_GETINFO);
-    }
     break;
 
     case SSH_SFTP_NEXT_QUOTE:
@@ -2347,8 +2268,8 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
         }
         sshc->sftp_handle = NULL;
       }
-      if(sftp_scp)
-        Curl_safefree(sftp_scp->path);
+
+      Curl_safefree(sftp_scp->path);
 
       DEBUGF(infof(data, "SFTP DONE done\n"));
 
@@ -2399,7 +2320,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
       break;
 
     case SSH_SCP_TRANS_INIT:
-      result = ssh_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
+      result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
       if(result) {
         sshc->actualcode = result;
         state(conn, SSH_STOP);
@@ -2445,6 +2366,10 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
         failf(conn->data, "%s", err_msg);
         state(conn, SSH_SCP_CHANNEL_FREE);
         sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
+        /* Map generic errors to upload failed */
+        if(sshc->actualcode == CURLE_SSH ||
+           sshc->actualcode == CURLE_REMOTE_FILE_NOT_FOUND)
+          sshc->actualcode = CURLE_UPLOAD_FAILED;
         break;
       }
 
@@ -2833,8 +2758,8 @@ static CURLcode ssh_block_statemach(struct connectdata *conn,
 
   while((sshc->state != SSH_STOP) && !result) {
     bool block;
-    time_t left = 1000;
-    struct curltime now = Curl_tvnow();
+    timediff_t left = 1000;
+    struct curltime now = Curl_now();
 
     result = ssh_statemach_act(conn, &block);
     if(result)
@@ -3307,93 +3232,6 @@ static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
   return nread;
 }
 
-/* The get_pathname() function is being borrowed from OpenSSH sftp.c
-   version 4.6p1. */
-/*
- * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-static CURLcode
-get_pathname(const char **cpp, char **path)
-{
-  const char *cp = *cpp, *end;
-  char quot;
-  unsigned int i, j;
-  static const char WHITESPACE[] = " \t\r\n";
-
-  cp += strspn(cp, WHITESPACE);
-  if(!*cp) {
-    *cpp = cp;
-    *path = NULL;
-    return CURLE_QUOTE_ERROR;
-  }
-
-  *path = malloc(strlen(cp) + 1);
-  if(*path == NULL)
-    return CURLE_OUT_OF_MEMORY;
-
-  /* Check for quoted filenames */
-  if(*cp == '\"' || *cp == '\'') {
-    quot = *cp++;
-
-    /* Search for terminating quote, unescape some chars */
-    for(i = j = 0; i <= strlen(cp); i++) {
-      if(cp[i] == quot) {  /* Found quote */
-        i++;
-        (*path)[j] = '\0';
-        break;
-      }
-      if(cp[i] == '\0') {  /* End of string */
-        /*error("Unterminated quote");*/
-        goto fail;
-      }
-      if(cp[i] == '\\') {  /* Escaped characters */
-        i++;
-        if(cp[i] != '\'' && cp[i] != '\"' &&
-            cp[i] != '\\') {
-          /*error("Bad escaped character '\\%c'",
-              cp[i]);*/
-          goto fail;
-        }
-      }
-      (*path)[j++] = cp[i];
-    }
-
-    if(j == 0) {
-      /*error("Empty quotes");*/
-      goto fail;
-    }
-    *cpp = cp + i + strspn(cp + i, WHITESPACE);
-  }
-  else {
-    /* Read to end of filename */
-    end = strpbrk(cp, WHITESPACE);
-    if(end == NULL)
-      end = strchr(cp, '\0');
-    *cpp = end + strspn(end, WHITESPACE);
-
-    memcpy(*path, cp, end - cp);
-    (*path)[end - cp] = '\0';
-  }
-  return CURLE_OK;
-
-  fail:
-  Curl_safefree(*path);
-  return CURLE_QUOTE_ERROR;
-}
-
-
 static const char *sftp_libssh2_strerror(int err)
 {
   switch(err) {
diff --git a/Utilities/cmcurl/lib/ssh.h b/Utilities/cmcurl/lib/ssh.h
index b350dcf3a5..1c13550774 100644
--- a/Utilities/cmcurl/lib/ssh.h
+++ b/Utilities/cmcurl/lib/ssh.h
@@ -24,9 +24,12 @@
 
 #include "curl_setup.h"
 
-#ifdef HAVE_LIBSSH2_H
+#if defined(HAVE_LIBSSH2_H)
 #include <libssh2.h>
 #include <libssh2_sftp.h>
+#elif defined(HAVE_LIBSSH_LIBSSH_H)
+#include <libssh/libssh.h>
+#include <libssh/sftp.h>
 #endif /* HAVE_LIBSSH2_H */
 
 /****************************************************************************
@@ -51,6 +54,7 @@ typedef enum {
   SSH_AUTH_HOST,
   SSH_AUTH_KEY_INIT,
   SSH_AUTH_KEY,
+  SSH_AUTH_GSSAPI,
   SSH_AUTH_DONE,
   SSH_SFTP_INIT,
   SSH_SFTP_REALPATH,   /* Last state in SSH-CONNECT */
@@ -86,6 +90,7 @@ typedef enum {
   SSH_SCP_TRANS_INIT, /* First state in SCP-DO */
   SSH_SCP_UPLOAD_INIT,
   SSH_SCP_DOWNLOAD_INIT,
+  SSH_SCP_DOWNLOAD,
   SSH_SCP_DONE,
   SSH_SCP_SEND_EOF,
   SSH_SCP_WAIT_EOF,
@@ -109,7 +114,8 @@ struct SSHPROTO {
    struct */
 struct ssh_conn {
   const char *authlist;       /* List of auth. methods, managed by libssh2 */
-#ifdef USE_LIBSSH2
+
+  /* common */
   const char *passphrase;     /* pass-phrase to use */
   char *rsa_pub;              /* path name */
   char *rsa;                  /* path name */
@@ -120,16 +126,11 @@ struct ssh_conn {
   struct curl_slist *quote_item; /* for the quote option */
   char *quote_path1;          /* two generic pointers for the QUOTE stuff */
   char *quote_path2;
-  LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */
+
   bool acceptfail;            /* used by the SFTP_QUOTE (continue if
                                  quote command fails) */
   char *homedir;              /* when doing SFTP we figure out home dir in the
                                  connect phase */
-
-  /* Here's a set of struct members used by the SFTP_READDIR state */
-  LIBSSH2_SFTP_ATTRIBUTES readdir_attrs;
-  char *readdir_filename;
-  char *readdir_longentry;
   int readdir_len, readdir_totalLen, readdir_currLen;
   char *readdir_line;
   char *readdir_linkPath;
@@ -139,11 +140,42 @@ struct ssh_conn {
                                    second attempt has been made to change
                                    to/create a directory */
   char *slash_pos;              /* used by the SFTP_CREATE_DIRS state */
+
+  int orig_waitfor;             /* default READ/WRITE bits wait for */
+
+#if defined(USE_LIBSSH)
+/* our variables */
+  unsigned kbd_state; /* 0 or 1 */
+  ssh_key privkey;
+  ssh_key pubkey;
+  int auth_methods;
+  ssh_session ssh_session;
+  ssh_scp scp_session;
+  sftp_session sftp_session;
+  sftp_file sftp_file;
+  sftp_dir sftp_dir;
+
+  unsigned sftp_recv_state; /* 0 or 1 */
+  int sftp_file_index; /* for async read */
+  sftp_attributes readdir_attrs; /* used by the SFTP readdir actions */
+  sftp_attributes readdir_link_attrs; /* used by the SFTP readdir actions */
+  sftp_attributes quote_attrs; /* used by the SFTP_QUOTE state */
+
+  const char *readdir_filename; /* points within readdir_attrs */
+  const char *readdir_longentry;
+  char *readdir_tmp;
+#elif defined(USE_LIBSSH2)
+  char *readdir_filename;
+  char *readdir_longentry;
+
+  LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */
+
+  /* Here's a set of struct members used by the SFTP_READDIR state */
+  LIBSSH2_SFTP_ATTRIBUTES readdir_attrs;
   LIBSSH2_SESSION *ssh_session; /* Secure Shell session */
   LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */
   LIBSSH2_SFTP *sftp_session;   /* SFTP handle */
   LIBSSH2_SFTP_HANDLE *sftp_handle;
-  int orig_waitfor;             /* default READ/WRITE bits wait for */
 
 #ifdef HAVE_LIBSSH2_AGENT_API
   LIBSSH2_AGENT *ssh_agent;     /* proxy to ssh-agent/pageant */
@@ -156,10 +188,17 @@ struct ssh_conn {
 #ifdef HAVE_LIBSSH2_KNOWNHOST_API
   LIBSSH2_KNOWNHOSTS *kh;
 #endif
-#endif /* USE_LIBSSH2 */
+#endif /* USE_LIBSSH */
 };
 
-#ifdef USE_LIBSSH2
+#if defined(USE_LIBSSH)
+
+#define CURL_LIBSSH_VERSION ssh_version(0)
+
+extern const struct Curl_handler Curl_handler_scp;
+extern const struct Curl_handler Curl_handler_sftp;
+
+#elif defined(USE_LIBSSH2)
 
 /* Feature detection based on version numbers to better work with
    non-configure platforms */
@@ -190,6 +229,14 @@ struct ssh_conn {
 #define HAVE_LIBSSH2_SESSION_HANDSHAKE 1
 #endif
 
+#ifdef HAVE_LIBSSH2_VERSION
+/* get it run-time if possible */
+#define CURL_LIBSSH2_VERSION libssh2_version(0)
+#else
+/* use build-time if run-time not possible */
+#define CURL_LIBSSH2_VERSION LIBSSH2_VERSION
+#endif
+
 extern const struct Curl_handler Curl_handler_scp;
 extern const struct Curl_handler Curl_handler_sftp;
 
diff --git a/Utilities/cmcurl/lib/strtoofft.c b/Utilities/cmcurl/lib/strtoofft.c
index 807fc54549..363647737f 100644
--- a/Utilities/cmcurl/lib/strtoofft.c
+++ b/Utilities/cmcurl/lib/strtoofft.c
@@ -219,7 +219,10 @@ CURLofft curlx_strtoofft(const char *str, char **endp, int base,
   curl_off_t number;
   errno = 0;
   *num = 0; /* clear by default */
-  while(str && *str && ISSPACE(*str))
+
+  DEBUGASSERT(str);
+
+  while(*str && ISSPACE(*str))
     str++;
   if('-' == *str) {
     if(endp)
diff --git a/Utilities/cmcurl/lib/strtoofft.h b/Utilities/cmcurl/lib/strtoofft.h
index 244411a870..be19cd716b 100644
--- a/Utilities/cmcurl/lib/strtoofft.h
+++ b/Utilities/cmcurl/lib/strtoofft.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -40,14 +40,6 @@
  * of 'long' the conversion function to use is strtol().
  */
 
-#if (SIZEOF_CURL_OFF_T == 4)
-#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
-#else
-   /* assume CURL_SIZEOF_CURL_OFF_T == 8 */
-#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
-#endif
-#define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
-
 typedef enum {
   CURL_OFFT_OK,    /* parsed fine */
   CURL_OFFT_FLOW,  /* over or underflow */
diff --git a/Utilities/cmcurl/lib/telnet.c b/Utilities/cmcurl/lib/telnet.c
index a7bed3da1f..48b134ee34 100644
--- a/Utilities/cmcurl/lib/telnet.c
+++ b/Utilities/cmcurl/lib/telnet.c
@@ -1560,8 +1560,8 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
     }
 
     if(data->set.timeout) {
-      now = Curl_tvnow();
-      if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
+      now = Curl_now();
+      if(Curl_timediff(now, conn->created) >= data->set.timeout) {
         failf(data, "Time-out");
         result = CURLE_OPERATION_TIMEDOUT;
         keepon = FALSE;
@@ -1678,8 +1678,8 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
     } /* poll switch statement */
 
     if(data->set.timeout) {
-      now = Curl_tvnow();
-      if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
+      now = Curl_now();
+      if(Curl_timediff(now, conn->created) >= data->set.timeout) {
         failf(data, "Time-out");
         result = CURLE_OPERATION_TIMEDOUT;
         keepon = FALSE;
diff --git a/Utilities/cmcurl/lib/tftp.c b/Utilities/cmcurl/lib/tftp.c
index 4e599fd272..20dc600409 100644
--- a/Utilities/cmcurl/lib/tftp.c
+++ b/Utilities/cmcurl/lib/tftp.c
@@ -200,7 +200,7 @@ const struct Curl_handler Curl_handler_tftp = {
 static CURLcode tftp_set_timeouts(tftp_state_data_t *state)
 {
   time_t maxtime, timeout;
-  time_t timeout_ms;
+  timediff_t timeout_ms;
   bool start = (state->state == TFTP_STATE_START) ? TRUE : FALSE;
 
   time(&state->start_time);
@@ -1293,7 +1293,7 @@ static CURLcode tftp_doing(struct connectdata *conn, bool *dophase_done)
     if(Curl_pgrsUpdate(conn))
       result = CURLE_ABORTED_BY_CALLBACK;
     else
-      result = Curl_speedcheck(conn->data, Curl_tvnow());
+      result = Curl_speedcheck(conn->data, Curl_now());
   }
   return result;
 }
diff --git a/Utilities/cmcurl/lib/timeval.c b/Utilities/cmcurl/lib/timeval.c
index d7207b3a2a..66f923a8ee 100644
--- a/Utilities/cmcurl/lib/timeval.c
+++ b/Utilities/cmcurl/lib/timeval.c
@@ -24,7 +24,7 @@
 
 #if defined(WIN32) && !defined(MSDOS)
 
-struct curltime curlx_tvnow(void)
+struct curltime Curl_now(void)
 {
   /*
   ** GetTickCount() is available on _all_ Windows versions from W95 up
@@ -48,7 +48,7 @@ struct curltime curlx_tvnow(void)
 
 #elif defined(HAVE_CLOCK_GETTIME_MONOTONIC)
 
-struct curltime curlx_tvnow(void)
+struct curltime Curl_now(void)
 {
   /*
   ** clock_gettime() is granted to be increased monotonically when the
@@ -84,9 +84,40 @@ struct curltime curlx_tvnow(void)
   return cnow;
 }
 
+#elif defined(HAVE_MACH_ABSOLUTE_TIME)
+
+#include <stdint.h>
+#include <mach/mach_time.h>
+
+struct curltime Curl_now(void)
+{
+  /*
+  ** Monotonic timer on Mac OS is provided by mach_absolute_time(), which
+  ** returns time in Mach "absolute time units," which are platform-dependent.
+  ** To convert to nanoseconds, one must use conversion factors specified by
+  ** mach_timebase_info().
+  */
+  static mach_timebase_info_data_t timebase;
+  struct curltime cnow;
+  uint64_t usecs;
+
+  if(0 == timebase.denom)
+    (void) mach_timebase_info(&timebase);
+
+  usecs = mach_absolute_time();
+  usecs *= timebase.numer;
+  usecs /= timebase.denom;
+  usecs /= 1000;
+
+  cnow.tv_sec = usecs / 1000000;
+  cnow.tv_usec = usecs % 1000000;
+
+  return cnow;
+}
+
 #elif defined(HAVE_GETTIMEOFDAY)
 
-struct curltime curlx_tvnow(void)
+struct curltime Curl_now(void)
 {
   /*
   ** gettimeofday() is not granted to be increased monotonically, due to
@@ -103,7 +134,7 @@ struct curltime curlx_tvnow(void)
 
 #else
 
-struct curltime curlx_tvnow(void)
+struct curltime Curl_now(void)
 {
   /*
   ** time() returns the value of time in seconds since the Epoch.
@@ -116,47 +147,40 @@ struct curltime curlx_tvnow(void)
 
 #endif
 
+#if SIZEOF_TIME_T < 8
+#define TIME_MAX INT_MAX
+#define TIME_MIN INT_MIN
+#else
+#define TIME_MAX 9223372036854775807LL
+#define TIME_MIN -9223372036854775807LL
+#endif
+
 /*
- * Make sure that the first argument is the more recent time, as otherwise
- * we'll get a weird negative time-diff back...
- *
- * Returns: the time difference in number of milliseconds. For large diffs it
- * returns 0x7fffffff on 32bit time_t systems.
+ * Returns: time difference in number of milliseconds. For too large diffs it
+ * returns max value.
  *
  * @unittest: 1323
  */
-time_t curlx_tvdiff(struct curltime newer, struct curltime older)
+timediff_t Curl_timediff(struct curltime newer, struct curltime older)
 {
-#if SIZEOF_TIME_T < 8
-  /* for 32bit time_t systems, add a precaution to avoid overflow for really
-     big time differences */
-  time_t diff = newer.tv_sec-older.tv_sec;
-  if(diff >= (0x7fffffff/1000))
-    return 0x7fffffff;
-#endif
-  return (newer.tv_sec-older.tv_sec)*1000+
-    (int)(newer.tv_usec-older.tv_usec)/1000;
+  timediff_t diff = newer.tv_sec-older.tv_sec;
+  if(diff >= (TIME_MAX/1000))
+    return TIME_MAX;
+  else if(diff <= (TIME_MIN/1000))
+    return TIME_MIN;
+  return diff * 1000 + (newer.tv_usec-older.tv_usec)/1000;
 }
 
 /*
- * Make sure that the first argument is the more recent time, as otherwise
- * we'll get a weird negative time-diff back...
- *
- * Returns: the time difference in number of microseconds. For too large diffs
- * it returns max value.
+ * Returns: time difference in number of microseconds. For too large diffs it
+ * returns max value.
  */
-time_t Curl_tvdiff_us(struct curltime newer, struct curltime older)
+timediff_t Curl_timediff_us(struct curltime newer, struct curltime older)
 {
-  time_t diff = newer.tv_sec-older.tv_sec;
-#if SIZEOF_TIME_T < 8
-  /* for 32bit time_t systems */
-  if(diff >= (0x7fffffff/1000000))
-    return 0x7fffffff;
-#else
-  /* for 64bit time_t systems */
-  if(diff >= (0x7fffffffffffffffLL/1000000))
-    return 0x7fffffffffffffffLL;
-#endif
-  return (newer.tv_sec-older.tv_sec)*1000000+
-    (int)(newer.tv_usec-older.tv_usec);
+  timediff_t diff = newer.tv_sec-older.tv_sec;
+  if(diff >= (TIME_MAX/1000000))
+    return TIME_MAX;
+  else if(diff <= (TIME_MIN/1000000))
+    return TIME_MIN;
+  return diff * 1000000 + newer.tv_usec-older.tv_usec;
 }
diff --git a/Utilities/cmcurl/lib/timeval.h b/Utilities/cmcurl/lib/timeval.h
index 1ee4b30449..fb3f680c40 100644
--- a/Utilities/cmcurl/lib/timeval.h
+++ b/Utilities/cmcurl/lib/timeval.h
@@ -22,19 +22,20 @@
  *
  ***************************************************************************/
 
-/*
- * CAUTION: this header is designed to work when included by the app-side
- * as well as the library. Do not mix with library internals!
- */
-
 #include "curl_setup.h"
 
+#if SIZEOF_TIME_T < 8
+typedef int timediff_t;
+#else
+typedef curl_off_t timediff_t;
+#endif
+
 struct curltime {
-  time_t       tv_sec;     /* seconds */
-  unsigned int tv_usec;    /* microseconds */
+  time_t tv_sec; /* seconds */
+  int tv_usec;   /* microseconds */
 };
 
-struct curltime curlx_tvnow(void);
+struct curltime Curl_now(void);
 
 /*
  * Make sure that the first argument (t1) is the more recent time and t2 is
@@ -42,7 +43,7 @@ struct curltime curlx_tvnow(void);
  *
  * Returns: the time difference in number of milliseconds.
  */
-time_t curlx_tvdiff(struct curltime t1, struct curltime t2);
+timediff_t Curl_timediff(struct curltime t1, struct curltime t2);
 
 /*
  * Make sure that the first argument (t1) is the more recent time and t2 is
@@ -50,12 +51,6 @@ time_t curlx_tvdiff(struct curltime t1, struct curltime t2);
  *
  * Returns: the time difference in number of microseconds.
  */
-time_t Curl_tvdiff_us(struct curltime newer, struct curltime older);
-
-/* These two defines below exist to provide the older API for library
-   internals only. */
-#define Curl_tvnow() curlx_tvnow()
-#define Curl_tvdiff(x,y) curlx_tvdiff(x,y)
+timediff_t Curl_timediff_us(struct curltime newer, struct curltime older);
 
 #endif /* HEADER_CURL_TIMEVAL_H */
-
diff --git a/Utilities/cmcurl/lib/transfer.c b/Utilities/cmcurl/lib/transfer.c
index 8e66d0d80e..8f15b1a152 100644
--- a/Utilities/cmcurl/lib/transfer.c
+++ b/Utilities/cmcurl/lib/transfer.c
@@ -238,9 +238,11 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
     }
 #endif /* CURL_DOES_CONVERSIONS */
 
-    if((nread - hexlen) == 0)
+    if((nread - hexlen) == 0) {
       /* mark this as done once this chunk is transferred */
       data->req.upload_done = TRUE;
+      infof(data, "Signaling end of chunked upload via terminating chunk.\n");
+    }
 
     nread += (int)strlen(endofline_native); /* for the added end of line */
   }
@@ -490,7 +492,7 @@ static CURLcode readwrite_data(struct Curl_easy *data,
       Curl_pgrsTime(data, TIMER_STARTTRANSFER);
       if(k->exp100 > EXP100_SEND_DATA)
         /* set time stamp to compare with when waiting for the 100 */
-        k->start100 = Curl_tvnow();
+        k->start100 = Curl_now();
     }
 
     *didwhat |= KEEP_RECV;
@@ -777,48 +779,19 @@ static CURLcode readwrite_data(struct Curl_easy *data,
              in http_chunks.c.
              Make sure that ALL_CONTENT_ENCODINGS contains all the
              encodings handled here. */
-#ifdef HAVE_LIBZ
-          switch(conn->data->set.http_ce_skip ?
-                 IDENTITY : k->auto_decoding) {
-          case IDENTITY:
-#endif
-            /* This is the default when the server sends no
-               Content-Encoding header. See Curl_readwrite_init; the
-               memset() call initializes k->auto_decoding to zero. */
+          if(conn->data->set.http_ce_skip || !k->writer_stack) {
             if(!k->ignorebody) {
-
 #ifndef CURL_DISABLE_POP3
-              if(conn->handler->protocol&PROTO_FAMILY_POP3)
+              if(conn->handler->protocol & PROTO_FAMILY_POP3)
                 result = Curl_pop3_write(conn, k->str, nread);
               else
 #endif /* CURL_DISABLE_POP3 */
-
                 result = Curl_client_write(conn, CLIENTWRITE_BODY, k->str,
                                            nread);
             }
-#ifdef HAVE_LIBZ
-            break;
-
-          case DEFLATE:
-            /* Assume CLIENTWRITE_BODY; headers are not encoded. */
-            if(!k->ignorebody)
-              result = Curl_unencode_deflate_write(conn, k, nread);
-            break;
-
-          case GZIP:
-            /* Assume CLIENTWRITE_BODY; headers are not encoded. */
-            if(!k->ignorebody)
-              result = Curl_unencode_gzip_write(conn, k, nread);
-            break;
-
-          default:
-            failf(data, "Unrecognized content encoding type. "
-                  "libcurl understands `identity', `deflate' and `gzip' "
-                  "content encodings.");
-            result = CURLE_BAD_CONTENT_ENCODING;
-            break;
           }
-#endif
+          else
+            result = Curl_unencode_write(conn, k->writer_stack, k->str, nread);
         }
         k->badheader = HEADER_NORMAL; /* taken care of now */
 
@@ -925,7 +898,7 @@ static CURLcode readwrite_upload(struct Curl_easy *data,
              go into the Expect: 100 state and await such a header */
           k->exp100 = EXP100_AWAITING_CONTINUE; /* wait for the header */
           k->keepon &= ~KEEP_SEND;         /* disable writing */
-          k->start100 = Curl_tvnow();       /* timeout count starts now */
+          k->start100 = Curl_now();       /* timeout count starts now */
           *didwhat &= ~KEEP_SEND;  /* we didn't write anything actually */
 
           /* set a timeout for the multi interface */
@@ -1046,7 +1019,8 @@ static CURLcode readwrite_upload(struct Curl_easy *data,
 
     k->writebytecount += bytes_written;
 
-    if(k->writebytecount == data->state.infilesize) {
+    if((!k->upload_chunky || k->forbidchunk) &&
+       (k->writebytecount == data->state.infilesize)) {
       /* we have sent all data we were supposed to */
       k->upload_done = TRUE;
       infof(data, "We are completely uploaded and fine\n");
@@ -1150,7 +1124,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
       return result;
   }
 
-  k->now = Curl_tvnow();
+  k->now = Curl_now();
   if(didwhat) {
     /* Update read/write counters */
     if(k->bytecountp)
@@ -1174,7 +1148,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
 
       */
 
-      time_t ms = Curl_tvdiff(k->now, k->start100);
+      timediff_t ms = Curl_timediff(k->now, k->start100);
       if(ms >= data->set.expect_100_timeout) {
         /* we've waited long enough, continue anyway */
         k->exp100 = EXP100_SEND_DATA;
@@ -1198,13 +1172,14 @@ CURLcode Curl_readwrite(struct connectdata *conn,
         failf(data, "Operation timed out after %ld milliseconds with %"
               CURL_FORMAT_CURL_OFF_T " out of %"
               CURL_FORMAT_CURL_OFF_T " bytes received",
-              Curl_tvdiff(k->now, data->progress.t_startsingle), k->bytecount,
-              k->size);
+              Curl_timediff(k->now, data->progress.t_startsingle),
+              k->bytecount, k->size);
       }
       else {
         failf(data, "Operation timed out after %ld milliseconds with %"
               CURL_FORMAT_CURL_OFF_T " bytes received",
-              Curl_tvdiff(k->now, data->progress.t_startsingle), k->bytecount);
+              Curl_timediff(k->now, data->progress.t_startsingle),
+              k->bytecount);
       }
       return CURLE_OPERATION_TIMEDOUT;
     }
@@ -1343,6 +1318,7 @@ CURLcode Curl_pretransfer(struct Curl_easy *data)
   if(result)
     return result;
 
+  data->state.wildcardmatch = data->set.wildcard_enabled;
   data->set.followlocation = 0; /* reset the location-follow counter */
   data->state.this_is_a_follow = FALSE; /* reset this */
   data->state.errorbuf = FALSE; /* no error has occurred */
@@ -1400,7 +1376,7 @@ CURLcode Curl_pretransfer(struct Curl_easy *data)
     data->state.authhost.picked &= data->state.authhost.want;
     data->state.authproxy.picked &= data->state.authproxy.want;
 
-    if(data->set.wildcardmatch) {
+    if(data->state.wildcardmatch) {
       struct WildcardData *wc = &data->wildcard;
       if(wc->state < CURLWC_INIT) {
         result = Curl_wildcard_init(wc); /* init wildcard structures */
@@ -2049,7 +2025,7 @@ Curl_setup_transfer(
          (http->sending == HTTPSEND_BODY)) {
         /* wait with write until we either got 100-continue or a timeout */
         k->exp100 = EXP100_AWAITING_CONTINUE;
-        k->start100 = Curl_tvnow();
+        k->start100 = Curl_now();
 
         /* Set a timeout for the multi interface. Add the inaccuracy margin so
            that we don't fire slightly too early and get denied to run. */
diff --git a/Utilities/cmcurl/lib/url.c b/Utilities/cmcurl/lib/url.c
index 584635bc3f..74813e8746 100644
--- a/Utilities/cmcurl/lib/url.c
+++ b/Utilities/cmcurl/lib/url.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -55,9 +55,7 @@
 #error "We can't compile without socket() support!"
 #endif
 
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 
 #ifdef USE_LIBIDN2
 #include <idn2.h>
@@ -120,15 +118,13 @@ bool curl_win32_idn_to_ascii(const char *in, char **out);
 #include "pipeline.h"
 #include "dotdot.h"
 #include "strdup.h"
+#include "setopt.h"
+
 /* The last 3 #include files should be in this order */
 #include "curl_printf.h"
 #include "curl_memory.h"
 #include "memdebug.h"
 
-/* Local static prototypes */
-static struct connectdata *
-find_oldest_idle_connection_in_bundle(struct Curl_easy *data,
-                                      struct connectbundle *bundle);
 static void conn_free(struct connectdata *conn);
 static void free_fixed_hostname(struct hostname *host);
 static void signalPipeClose(struct curl_llist *pipeline, bool pipe_broke);
@@ -136,15 +132,8 @@ static CURLcode parse_url_login(struct Curl_easy *data,
                                 struct connectdata *conn,
                                 char **userptr, char **passwdptr,
                                 char **optionsptr);
-static CURLcode parse_login_details(const char *login, const size_t len,
-                                    char **userptr, char **passwdptr,
-                                    char **optionsptr);
 static unsigned int get_protocol_family(unsigned int protocol);
 
-#define READBUFFER_SIZE CURL_MAX_WRITE_SIZE
-#define READBUFFER_MAX  CURL_MAX_READ_SIZE
-#define READBUFFER_MIN  1024
-
 /* Some parts of the code (e.g. chunked encoding) assume this buffer has at
  * more than just a few bytes to play with. Don't let it become too small or
  * bad things will happen.
@@ -201,8 +190,11 @@ static const struct Curl_handler * const protocols[] = {
   &Curl_handler_tftp,
 #endif
 
-#ifdef USE_LIBSSH2
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
   &Curl_handler_scp,
+#endif
+
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
   &Curl_handler_sftp,
 #endif
 
@@ -299,98 +291,8 @@ void Curl_freeset(struct Curl_easy *data)
     data->change.url_alloc = FALSE;
   }
   data->change.url = NULL;
-}
-
-static CURLcode setstropt(char **charp, const char *s)
-{
-  /* Release the previous storage at `charp' and replace by a dynamic storage
-     copy of `s'. Return CURLE_OK or CURLE_OUT_OF_MEMORY. */
-
-  Curl_safefree(*charp);
-
-  if(s) {
-    char *str = strdup(s);
-
-    if(!str)
-      return CURLE_OUT_OF_MEMORY;
-
-    *charp = str;
-  }
-
-  return CURLE_OK;
-}
-
-static CURLcode setstropt_userpwd(char *option, char **userp, char **passwdp)
-{
-  CURLcode result = CURLE_OK;
-  char *user = NULL;
-  char *passwd = NULL;
-
-  /* Parse the login details if specified. It not then we treat NULL as a hint
-     to clear the existing data */
-  if(option) {
-    result = parse_login_details(option, strlen(option),
-                                 (userp ? &user : NULL),
-                                 (passwdp ? &passwd : NULL),
-                                 NULL);
-  }
-
-  if(!result) {
-    /* Store the username part of option if required */
-    if(userp) {
-      if(!user && option && option[0] == ':') {
-        /* Allocate an empty string instead of returning NULL as user name */
-        user = strdup("");
-        if(!user)
-          result = CURLE_OUT_OF_MEMORY;
-      }
-
-      Curl_safefree(*userp);
-      *userp = user;
-    }
-
-    /* Store the password part of option if required */
-    if(passwdp) {
-      Curl_safefree(*passwdp);
-      *passwdp = passwd;
-    }
-  }
-
-  return result;
-}
-
-CURLcode Curl_dupset(struct Curl_easy *dst, struct Curl_easy *src)
-{
-  CURLcode result = CURLE_OK;
-  enum dupstring i;
-
-  /* Copy src->set into dst->set first, then deal with the strings
-     afterwards */
-  dst->set = src->set;
-
-  /* clear all string pointers first */
-  memset(dst->set.str, 0, STRING_LAST * sizeof(char *));
 
-  /* duplicate all strings */
-  for(i = (enum dupstring)0; i< STRING_LASTZEROTERMINATED; i++) {
-    result = setstropt(&dst->set.str[i], src->set.str[i]);
-    if(result)
-      return result;
-  }
-
-  /* duplicate memory areas pointed to */
-  i = STRING_COPYPOSTFIELDS;
-  if(src->set.postfieldsize && src->set.str[i]) {
-    /* postfieldsize is curl_off_t, Curl_memdup() takes a size_t ... */
-    dst->set.str[i] = Curl_memdup(src->set.str[i],
-                                  curlx_sotouz(src->set.postfieldsize));
-    if(!dst->set.str[i])
-      return CURLE_OUT_OF_MEMORY;
-    /* point to the new copy */
-    dst->set.postfields = dst->set.str[i];
-  }
-
-  return CURLE_OK;
+  Curl_mime_cleanpart(&data->set.mimepost);
 }
 
 /*
@@ -480,8 +382,6 @@ CURLcode Curl_close(struct Curl_easy *data)
   Curl_http2_cleanup_dependencies(data);
   Curl_convert_close(data);
 
-  Curl_mime_cleanpart(&data->set.mimepost);
-
   /* No longer a dirty share, if it exists */
   if(data->share) {
     Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
@@ -489,12 +389,8 @@ CURLcode Curl_close(struct Curl_easy *data)
     Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
   }
 
-  if(data->set.wildcardmatch) {
-    /* destruct wildcard structures if it is needed */
-    struct WildcardData *wc = &data->wildcard;
-    Curl_wildcard_dtor(wc);
-  }
-
+  /* destruct wildcard structures if it is needed */
+  Curl_wildcard_dtor(&data->wildcard);
   Curl_freeset(data);
   free(data);
   return CURLE_OK;
@@ -504,8 +400,9 @@ CURLcode Curl_close(struct Curl_easy *data)
  * Initialize the UserDefined fields within a Curl_easy.
  * This may be safely called on a new or existing Curl_easy.
  */
-CURLcode Curl_init_userdefined(struct UserDefined *set)
+CURLcode Curl_init_userdefined(struct Curl_easy *data)
 {
+  struct UserDefined *set = &data->set;
   CURLcode result = CURLE_OK;
 
   set->out = stdout; /* default output to stdout */
@@ -555,6 +452,8 @@ CURLcode Curl_init_userdefined(struct UserDefined *set)
   /* make libcurl quiet by default: */
   set->hide_progress = TRUE;  /* CURLOPT_NOPROGRESS changes these */
 
+  Curl_mime_initpart(&set->mimepost, data);
+
   /*
    * libcurl 7.10 introduced SSL verification *by default*! This needs to be
    * switched off unless wanted.
@@ -591,25 +490,25 @@ CURLcode Curl_init_userdefined(struct UserDefined *set)
 
   /* This is our preferred CA cert bundle/path since install time */
 #if defined(CURL_CA_BUNDLE)
-  result = setstropt(&set->str[STRING_SSL_CAFILE_ORIG], CURL_CA_BUNDLE);
+  result = Curl_setstropt(&set->str[STRING_SSL_CAFILE_ORIG], CURL_CA_BUNDLE);
   if(result)
     return result;
 
-  result = setstropt(&set->str[STRING_SSL_CAFILE_PROXY], CURL_CA_BUNDLE);
+  result = Curl_setstropt(&set->str[STRING_SSL_CAFILE_PROXY], CURL_CA_BUNDLE);
   if(result)
     return result;
 #endif
 #if defined(CURL_CA_PATH)
-  result = setstropt(&set->str[STRING_SSL_CAPATH_ORIG], CURL_CA_PATH);
+  result = Curl_setstropt(&set->str[STRING_SSL_CAPATH_ORIG], CURL_CA_PATH);
   if(result)
     return result;
 
-  result = setstropt(&set->str[STRING_SSL_CAPATH_PROXY], CURL_CA_PATH);
+  result = Curl_setstropt(&set->str[STRING_SSL_CAPATH_PROXY], CURL_CA_PATH);
   if(result)
     return result;
 #endif
 
-  set->wildcardmatch  = FALSE;
+  set->wildcard_enabled = FALSE;
   set->chunk_bgn      = ZERO_NULL;
   set->chunk_end      = ZERO_NULL;
 
@@ -670,32 +569,29 @@ CURLcode Curl_open(struct Curl_easy **curl)
     DEBUGF(fprintf(stderr, "Error: malloc of buffer failed\n"));
     result = CURLE_OUT_OF_MEMORY;
   }
-
-  Curl_mime_initpart(&data->set.mimepost, data);
-
-  data->state.headerbuff = malloc(HEADERSIZE);
-  if(!data->state.headerbuff) {
-    DEBUGF(fprintf(stderr, "Error: malloc of headerbuff failed\n"));
-    result = CURLE_OUT_OF_MEMORY;
-  }
   else {
-    result = Curl_init_userdefined(&data->set);
-
-    data->state.headersize = HEADERSIZE;
-
-    Curl_convert_init(data);
+    data->state.headerbuff = malloc(HEADERSIZE);
+    if(!data->state.headerbuff) {
+      DEBUGF(fprintf(stderr, "Error: malloc of headerbuff failed\n"));
+      result = CURLE_OUT_OF_MEMORY;
+    }
+    else {
+      result = Curl_init_userdefined(data);
 
-    Curl_initinfo(data);
+      data->state.headersize = HEADERSIZE;
+      Curl_convert_init(data);
+      Curl_initinfo(data);
 
-    /* most recent connection is not yet defined */
-    data->state.lastconnect = NULL;
+      /* most recent connection is not yet defined */
+      data->state.lastconnect = NULL;
 
-    data->progress.flags |= PGRS_HIDE;
-    data->state.current_speed = -1; /* init to negative == impossible */
-    data->set.fnmatch = ZERO_NULL;
-    data->set.maxconnects = DEFAULT_CONNCACHE_SIZE; /* for easy handles */
+      data->progress.flags |= PGRS_HIDE;
+      data->state.current_speed = -1; /* init to negative == impossible */
+      data->set.fnmatch = ZERO_NULL;
+      data->set.maxconnects = DEFAULT_CONNCACHE_SIZE; /* for easy handles */
 
-    Curl_http2_init_state(&data->state);
+      Curl_http2_init_state(&data->state);
+    }
   }
 
   if(result) {
@@ -712,2269 +608,6 @@ CURLcode Curl_open(struct Curl_easy **curl)
   return result;
 }
 
-#define C_SSLVERSION_VALUE(x) (x & 0xffff)
-#define C_SSLVERSION_MAX_VALUE(x) (x & 0xffff0000)
-
-CURLcode Curl_setopt(struct Curl_easy *data, CURLoption option,
-                     va_list param)
-{
-  char *argptr;
-  CURLcode result = CURLE_OK;
-  long arg;
-#ifndef CURL_DISABLE_HTTP
-  curl_off_t bigsize;
-#endif
-
-  switch(option) {
-  case CURLOPT_DNS_CACHE_TIMEOUT:
-    data->set.dns_cache_timeout = va_arg(param, long);
-    break;
-  case CURLOPT_DNS_USE_GLOBAL_CACHE:
-    /* remember we want this enabled */
-    arg = va_arg(param, long);
-    data->set.global_dns_cache = (0 != arg) ? TRUE : FALSE;
-    break;
-  case CURLOPT_SSL_CIPHER_LIST:
-    /* set a list of cipher we want to use in the SSL connection */
-    result = setstropt(&data->set.str[STRING_SSL_CIPHER_LIST_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_SSL_CIPHER_LIST:
-    /* set a list of cipher we want to use in the SSL connection for proxy */
-    result = setstropt(&data->set.str[STRING_SSL_CIPHER_LIST_PROXY],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_RANDOM_FILE:
-    /*
-     * This is the path name to a file that contains random data to seed
-     * the random SSL stuff with. The file is only used for reading.
-     */
-    result = setstropt(&data->set.str[STRING_SSL_RANDOM_FILE],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_EGDSOCKET:
-    /*
-     * The Entropy Gathering Daemon socket pathname
-     */
-    result = setstropt(&data->set.str[STRING_SSL_EGDSOCKET],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_MAXCONNECTS:
-    /*
-     * Set the absolute number of maximum simultaneous alive connection that
-     * libcurl is allowed to have.
-     */
-    data->set.maxconnects = va_arg(param, long);
-    break;
-  case CURLOPT_FORBID_REUSE:
-    /*
-     * When this transfer is done, it must not be left to be reused by a
-     * subsequent transfer but shall be closed immediately.
-     */
-    data->set.reuse_forbid = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_FRESH_CONNECT:
-    /*
-     * This transfer shall not use a previously cached connection but
-     * should be made with a fresh new connect!
-     */
-    data->set.reuse_fresh = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_VERBOSE:
-    /*
-     * Verbose means infof() calls that give a lot of information about
-     * the connection and transfer procedures as well as internal choices.
-     */
-    data->set.verbose = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_HEADER:
-    /*
-     * Set to include the header in the general data output stream.
-     */
-    data->set.include_header = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_NOPROGRESS:
-    /*
-     * Shut off the internal supported progress meter
-     */
-    data->set.hide_progress = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    if(data->set.hide_progress)
-      data->progress.flags |= PGRS_HIDE;
-    else
-      data->progress.flags &= ~PGRS_HIDE;
-    break;
-  case CURLOPT_NOBODY:
-    /*
-     * Do not include the body part in the output data stream.
-     */
-    data->set.opt_no_body = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_FAILONERROR:
-    /*
-     * Don't output the >=400 error code HTML-page, but instead only
-     * return error.
-     */
-    data->set.http_fail_on_error = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_KEEP_SENDING_ON_ERROR:
-    data->set.http_keep_sending_on_error = (0 != va_arg(param, long)) ?
-                                           TRUE : FALSE;
-    break;
-  case CURLOPT_UPLOAD:
-  case CURLOPT_PUT:
-    /*
-     * We want to sent data to the remote host. If this is HTTP, that equals
-     * using the PUT request.
-     */
-    data->set.upload = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    if(data->set.upload) {
-      /* If this is HTTP, PUT is what's needed to "upload" */
-      data->set.httpreq = HTTPREQ_PUT;
-      data->set.opt_no_body = FALSE; /* this is implied */
-    }
-    else
-      /* In HTTP, the opposite of upload is GET (unless NOBODY is true as
-         then this can be changed to HEAD later on) */
-      data->set.httpreq = HTTPREQ_GET;
-    break;
-  case CURLOPT_REQUEST_TARGET:
-    result = setstropt(&data->set.str[STRING_TARGET],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_FILETIME:
-    /*
-     * Try to get the file time of the remote document. The time will
-     * later (possibly) become available using curl_easy_getinfo().
-     */
-    data->set.get_filetime = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_FTP_CREATE_MISSING_DIRS:
-    /*
-     * An FTP option that modifies an upload to create missing directories on
-     * the server.
-     */
-    switch(va_arg(param, long)) {
-    case 0:
-      data->set.ftp_create_missing_dirs = 0;
-      break;
-    case 1:
-      data->set.ftp_create_missing_dirs = 1;
-      break;
-    case 2:
-      data->set.ftp_create_missing_dirs = 2;
-      break;
-    default:
-      /* reserve other values for future use */
-      result = CURLE_UNKNOWN_OPTION;
-      break;
-    }
-    break;
-  case CURLOPT_SERVER_RESPONSE_TIMEOUT:
-    /*
-     * Option that specifies how quickly an server response must be obtained
-     * before it is considered failure. For pingpong protocols.
-     */
-    data->set.server_response_timeout = va_arg(param, long) * 1000;
-    break;
-  case CURLOPT_TFTP_NO_OPTIONS:
-    /*
-     * Option that prevents libcurl from sending TFTP option requests to the
-     * server.
-     */
-    data->set.tftp_no_options = va_arg(param, long) != 0;
-    break;
-  case CURLOPT_TFTP_BLKSIZE:
-    /*
-     * TFTP option that specifies the block size to use for data transmission.
-     */
-    data->set.tftp_blksize = va_arg(param, long);
-    break;
-  case CURLOPT_DIRLISTONLY:
-    /*
-     * An option that changes the command to one that asks for a list
-     * only, no file info details.
-     */
-    data->set.ftp_list_only = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_APPEND:
-    /*
-     * We want to upload and append to an existing file.
-     */
-    data->set.ftp_append = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_FTP_FILEMETHOD:
-    /*
-     * How do access files over FTP.
-     */
-    data->set.ftp_filemethod = (curl_ftpfile)va_arg(param, long);
-    break;
-  case CURLOPT_NETRC:
-    /*
-     * Parse the $HOME/.netrc file
-     */
-    data->set.use_netrc = (enum CURL_NETRC_OPTION)va_arg(param, long);
-    break;
-  case CURLOPT_NETRC_FILE:
-    /*
-     * Use this file instead of the $HOME/.netrc file
-     */
-    result = setstropt(&data->set.str[STRING_NETRC_FILE],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_TRANSFERTEXT:
-    /*
-     * This option was previously named 'FTPASCII'. Renamed to work with
-     * more protocols than merely FTP.
-     *
-     * Transfer using ASCII (instead of BINARY).
-     */
-    data->set.prefer_ascii = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_TIMECONDITION:
-    /*
-     * Set HTTP time condition. This must be one of the defines in the
-     * curl/curl.h header file.
-     */
-    data->set.timecondition = (curl_TimeCond)va_arg(param, long);
-    break;
-  case CURLOPT_TIMEVALUE:
-    /*
-     * This is the value to compare with the remote document with the
-     * method set with CURLOPT_TIMECONDITION
-     */
-    data->set.timevalue = (time_t)va_arg(param, long);
-    break;
-  case CURLOPT_SSLVERSION:
-    /*
-     * Set explicit SSL version to try to connect with, as some SSL
-     * implementations are lame.
-     */
-#ifdef USE_SSL
-    arg = va_arg(param, long);
-    data->set.ssl.primary.version = C_SSLVERSION_VALUE(arg);
-    data->set.ssl.primary.version_max = C_SSLVERSION_MAX_VALUE(arg);
-#else
-    result = CURLE_UNKNOWN_OPTION;
-#endif
-    break;
-  case CURLOPT_PROXY_SSLVERSION:
-    /*
-     * Set explicit SSL version to try to connect with for proxy, as some SSL
-     * implementations are lame.
-     */
-#ifdef USE_SSL
-    arg = va_arg(param, long);
-    data->set.proxy_ssl.primary.version = C_SSLVERSION_VALUE(arg);
-    data->set.proxy_ssl.primary.version_max = C_SSLVERSION_MAX_VALUE(arg);
-#else
-    result = CURLE_UNKNOWN_OPTION;
-#endif
-    break;
-
-#ifndef CURL_DISABLE_HTTP
-  case CURLOPT_AUTOREFERER:
-    /*
-     * Switch on automatic referer that gets set if curl follows locations.
-     */
-    data->set.http_auto_referer = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_ACCEPT_ENCODING:
-    /*
-     * String to use at the value of Accept-Encoding header.
-     *
-     * If the encoding is set to "" we use an Accept-Encoding header that
-     * encompasses all the encodings we support.
-     * If the encoding is set to NULL we don't send an Accept-Encoding header
-     * and ignore an received Content-Encoding header.
-     *
-     */
-    argptr = va_arg(param, char *);
-    result = setstropt(&data->set.str[STRING_ENCODING],
-                       (argptr && !*argptr)?
-                       ALL_CONTENT_ENCODINGS: argptr);
-    break;
-
-  case CURLOPT_TRANSFER_ENCODING:
-    data->set.http_transfer_encoding = (0 != va_arg(param, long)) ?
-                                       TRUE : FALSE;
-    break;
-
-  case CURLOPT_FOLLOWLOCATION:
-    /*
-     * Follow Location: header hints on a HTTP-server.
-     */
-    data->set.http_follow_location = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_UNRESTRICTED_AUTH:
-    /*
-     * Send authentication (user+password) when following locations, even when
-     * hostname changed.
-     */
-    data->set.http_disable_hostname_check_before_authentication =
-      (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_MAXREDIRS:
-    /*
-     * The maximum amount of hops you allow curl to follow Location:
-     * headers. This should mostly be used to detect never-ending loops.
-     */
-    data->set.maxredirs = va_arg(param, long);
-    break;
-
-  case CURLOPT_POSTREDIR:
-  {
-    /*
-     * Set the behaviour of POST when redirecting
-     * CURL_REDIR_GET_ALL - POST is changed to GET after 301 and 302
-     * CURL_REDIR_POST_301 - POST is kept as POST after 301
-     * CURL_REDIR_POST_302 - POST is kept as POST after 302
-     * CURL_REDIR_POST_303 - POST is kept as POST after 303
-     * CURL_REDIR_POST_ALL - POST is kept as POST after 301, 302 and 303
-     * other - POST is kept as POST after 301 and 302
-     */
-    arg = va_arg(param, long);
-    data->set.keep_post = arg & CURL_REDIR_POST_ALL;
-  }
-  break;
-
-  case CURLOPT_POST:
-    /* Does this option serve a purpose anymore? Yes it does, when
-       CURLOPT_POSTFIELDS isn't used and the POST data is read off the
-       callback! */
-    if(va_arg(param, long)) {
-      data->set.httpreq = HTTPREQ_POST;
-      data->set.opt_no_body = FALSE; /* this is implied */
-    }
-    else
-      data->set.httpreq = HTTPREQ_GET;
-    break;
-
-  case CURLOPT_COPYPOSTFIELDS:
-    /*
-     * A string with POST data. Makes curl HTTP POST. Even if it is NULL.
-     * If needed, CURLOPT_POSTFIELDSIZE must have been set prior to
-     *  CURLOPT_COPYPOSTFIELDS and not altered later.
-     */
-    argptr = va_arg(param, char *);
-
-    if(!argptr || data->set.postfieldsize == -1)
-      result = setstropt(&data->set.str[STRING_COPYPOSTFIELDS], argptr);
-    else {
-      /*
-       *  Check that requested length does not overflow the size_t type.
-       */
-
-      if((data->set.postfieldsize < 0) ||
-         ((sizeof(curl_off_t) != sizeof(size_t)) &&
-          (data->set.postfieldsize > (curl_off_t)((size_t)-1))))
-        result = CURLE_OUT_OF_MEMORY;
-      else {
-        char *p;
-
-        (void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
-
-        /* Allocate even when size == 0. This satisfies the need of possible
-           later address compare to detect the COPYPOSTFIELDS mode, and
-           to mark that postfields is used rather than read function or
-           form data.
-        */
-        p = malloc((size_t)(data->set.postfieldsize?
-                            data->set.postfieldsize:1));
-
-        if(!p)
-          result = CURLE_OUT_OF_MEMORY;
-        else {
-          if(data->set.postfieldsize)
-            memcpy(p, argptr, (size_t)data->set.postfieldsize);
-
-          data->set.str[STRING_COPYPOSTFIELDS] = p;
-        }
-      }
-    }
-
-    data->set.postfields = data->set.str[STRING_COPYPOSTFIELDS];
-    data->set.httpreq = HTTPREQ_POST;
-    break;
-
-  case CURLOPT_POSTFIELDS:
-    /*
-     * Like above, but use static data instead of copying it.
-     */
-    data->set.postfields = va_arg(param, void *);
-    /* Release old copied data. */
-    (void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
-    data->set.httpreq = HTTPREQ_POST;
-    break;
-
-  case CURLOPT_POSTFIELDSIZE:
-    /*
-     * The size of the POSTFIELD data to prevent libcurl to do strlen() to
-     * figure it out. Enables binary posts.
-     */
-    bigsize = va_arg(param, long);
-
-    if(data->set.postfieldsize < bigsize &&
-       data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
-      /* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
-      (void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
-      data->set.postfields = NULL;
-    }
-
-    data->set.postfieldsize = bigsize;
-    break;
-
-  case CURLOPT_POSTFIELDSIZE_LARGE:
-    /*
-     * The size of the POSTFIELD data to prevent libcurl to do strlen() to
-     * figure it out. Enables binary posts.
-     */
-    bigsize = va_arg(param, curl_off_t);
-
-    if(data->set.postfieldsize < bigsize &&
-       data->set.postfields == data->set.str[STRING_COPYPOSTFIELDS]) {
-      /* Previous CURLOPT_COPYPOSTFIELDS is no longer valid. */
-      (void) setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
-      data->set.postfields = NULL;
-    }
-
-    data->set.postfieldsize = bigsize;
-    break;
-
-  case CURLOPT_HTTPPOST:
-    /*
-     * Set to make us do HTTP POST
-     */
-    data->set.httppost = va_arg(param, struct curl_httppost *);
-    data->set.httpreq = HTTPREQ_POST_FORM;
-    data->set.opt_no_body = FALSE; /* this is implied */
-    break;
-#endif   /* CURL_DISABLE_HTTP */
-
-  case CURLOPT_MIMEPOST:
-    /*
-     * Set to make us do MIME/form POST
-     */
-    result = curl_mime_subparts(&data->set.mimepost,
-                                va_arg(param, curl_mime *));
-    if(!result) {
-      data->set.mimepost.freefunc = NULL; /* Avoid free upon easy cleanup. */
-      data->set.httpreq = HTTPREQ_POST_MIME;
-      data->set.opt_no_body = FALSE; /* this is implied */
-    }
-    break;
-
-  case CURLOPT_REFERER:
-    /*
-     * String to set in the HTTP Referer: field.
-     */
-    if(data->change.referer_alloc) {
-      Curl_safefree(data->change.referer);
-      data->change.referer_alloc = FALSE;
-    }
-    result = setstropt(&data->set.str[STRING_SET_REFERER],
-                       va_arg(param, char *));
-    data->change.referer = data->set.str[STRING_SET_REFERER];
-    break;
-
-  case CURLOPT_USERAGENT:
-    /*
-     * String to use in the HTTP User-Agent field
-     */
-    result = setstropt(&data->set.str[STRING_USERAGENT],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_HTTPHEADER:
-    /*
-     * Set a list with HTTP headers to use (or replace internals with)
-     */
-    data->set.headers = va_arg(param, struct curl_slist *);
-    break;
-
-#ifndef CURL_DISABLE_HTTP
-  case CURLOPT_PROXYHEADER:
-    /*
-     * Set a list with proxy headers to use (or replace internals with)
-     *
-     * Since CURLOPT_HTTPHEADER was the only way to set HTTP headers for a
-     * long time we remain doing it this way until CURLOPT_PROXYHEADER is
-     * used. As soon as this option has been used, if set to anything but
-     * NULL, custom headers for proxies are only picked from this list.
-     *
-     * Set this option to NULL to restore the previous behavior.
-     */
-    data->set.proxyheaders = va_arg(param, struct curl_slist *);
-    break;
-
-  case CURLOPT_HEADEROPT:
-    /*
-     * Set header option.
-     */
-    arg = va_arg(param, long);
-    data->set.sep_headers = (arg & CURLHEADER_SEPARATE)? TRUE: FALSE;
-    break;
-
-  case CURLOPT_HTTP200ALIASES:
-    /*
-     * Set a list of aliases for HTTP 200 in response header
-     */
-    data->set.http200aliases = va_arg(param, struct curl_slist *);
-    break;
-
-#if !defined(CURL_DISABLE_COOKIES)
-  case CURLOPT_COOKIE:
-    /*
-     * Cookie string to send to the remote server in the request.
-     */
-    result = setstropt(&data->set.str[STRING_COOKIE],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_COOKIEFILE:
-    /*
-     * Set cookie file to read and parse. Can be used multiple times.
-     */
-    argptr = (char *)va_arg(param, void *);
-    if(argptr) {
-      struct curl_slist *cl;
-      /* append the cookie file name to the list of file names, and deal with
-         them later */
-      cl = curl_slist_append(data->change.cookielist, argptr);
-      if(!cl) {
-        curl_slist_free_all(data->change.cookielist);
-        data->change.cookielist = NULL;
-        return CURLE_OUT_OF_MEMORY;
-      }
-      data->change.cookielist = cl; /* store the list for later use */
-    }
-    break;
-
-  case CURLOPT_COOKIEJAR:
-    /*
-     * Set cookie file name to dump all cookies to when we're done.
-     */
-  {
-    struct CookieInfo *newcookies;
-    result = setstropt(&data->set.str[STRING_COOKIEJAR],
-                       va_arg(param, char *));
-
-    /*
-     * Activate the cookie parser. This may or may not already
-     * have been made.
-     */
-    newcookies = Curl_cookie_init(data, NULL, data->cookies,
-                                  data->set.cookiesession);
-    if(!newcookies)
-      result = CURLE_OUT_OF_MEMORY;
-    data->cookies = newcookies;
-  }
-    break;
-
-  case CURLOPT_COOKIESESSION:
-    /*
-     * Set this option to TRUE to start a new "cookie session". It will
-     * prevent the forthcoming read-cookies-from-file actions to accept
-     * cookies that are marked as being session cookies, as they belong to a
-     * previous session.
-     *
-     * In the original Netscape cookie spec, "session cookies" are cookies
-     * with no expire date set. RFC2109 describes the same action if no
-     * 'Max-Age' is set and RFC2965 includes the RFC2109 description and adds
-     * a 'Discard' action that can enforce the discard even for cookies that
-     * have a Max-Age.
-     *
-     * We run mostly with the original cookie spec, as hardly anyone implements
-     * anything else.
-     */
-    data->set.cookiesession = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_COOKIELIST:
-    argptr = va_arg(param, char *);
-
-    if(argptr == NULL)
-      break;
-
-    if(strcasecompare(argptr, "ALL")) {
-      /* clear all cookies */
-      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
-      Curl_cookie_clearall(data->cookies);
-      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
-    }
-    else if(strcasecompare(argptr, "SESS")) {
-      /* clear session cookies */
-      Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
-      Curl_cookie_clearsess(data->cookies);
-      Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
-    }
-    else if(strcasecompare(argptr, "FLUSH")) {
-      /* flush cookies to file, takes care of the locking */
-      Curl_flush_cookies(data, 0);
-    }
-    else if(strcasecompare(argptr, "RELOAD")) {
-      /* reload cookies from file */
-      Curl_cookie_loadfiles(data);
-      break;
-    }
-    else {
-      if(!data->cookies)
-        /* if cookie engine was not running, activate it */
-        data->cookies = Curl_cookie_init(data, NULL, NULL, TRUE);
-
-      argptr = strdup(argptr);
-      if(!argptr || !data->cookies) {
-        result = CURLE_OUT_OF_MEMORY;
-        free(argptr);
-      }
-      else {
-        Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE);
-
-        if(checkprefix("Set-Cookie:", argptr))
-          /* HTTP Header format line */
-          Curl_cookie_add(data, data->cookies, TRUE, argptr + 11, NULL, NULL);
-
-        else
-          /* Netscape format line */
-          Curl_cookie_add(data, data->cookies, FALSE, argptr, NULL, NULL);
-
-        Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
-        free(argptr);
-      }
-    }
-
-    break;
-#endif /* !CURL_DISABLE_COOKIES */
-
-  case CURLOPT_HTTPGET:
-    /*
-     * Set to force us do HTTP GET
-     */
-    if(va_arg(param, long)) {
-      data->set.httpreq = HTTPREQ_GET;
-      data->set.upload = FALSE; /* switch off upload */
-      data->set.opt_no_body = FALSE; /* this is implied */
-    }
-    break;
-
-  case CURLOPT_HTTP_VERSION:
-    /*
-     * This sets a requested HTTP version to be used. The value is one of
-     * the listed enums in curl/curl.h.
-     */
-    arg = va_arg(param, long);
-#ifndef USE_NGHTTP2
-    if(arg >= CURL_HTTP_VERSION_2)
-      return CURLE_UNSUPPORTED_PROTOCOL;
-#endif
-    data->set.httpversion = arg;
-    break;
-
-  case CURLOPT_EXPECT_100_TIMEOUT_MS:
-    /*
-     * Time to wait for a response to a HTTP request containing an
-     * Expect: 100-continue header before sending the data anyway.
-     */
-    data->set.expect_100_timeout = va_arg(param, long);
-    break;
-
-#endif   /* CURL_DISABLE_HTTP */
-
-  case CURLOPT_HTTPAUTH:
-    /*
-     * Set HTTP Authentication type BITMASK.
-     */
-  {
-    int bitcheck;
-    bool authbits;
-    unsigned long auth = va_arg(param, unsigned long);
-
-    if(auth == CURLAUTH_NONE) {
-      data->set.httpauth = auth;
-      break;
-    }
-
-    /* the DIGEST_IE bit is only used to set a special marker, for all the
-       rest we need to handle it as normal DIGEST */
-    data->state.authhost.iestyle = (auth & CURLAUTH_DIGEST_IE) ? TRUE : FALSE;
-
-    if(auth & CURLAUTH_DIGEST_IE) {
-      auth |= CURLAUTH_DIGEST; /* set standard digest bit */
-      auth &= ~CURLAUTH_DIGEST_IE; /* unset ie digest bit */
-    }
-
-    /* switch off bits we can't support */
-#ifndef USE_NTLM
-    auth &= ~CURLAUTH_NTLM;    /* no NTLM support */
-    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
-#elif !defined(NTLM_WB_ENABLED)
-    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
-#endif
-#ifndef USE_SPNEGO
-    auth &= ~CURLAUTH_NEGOTIATE; /* no Negotiate (SPNEGO) auth without
-                                    GSS-API or SSPI */
-#endif
-
-    /* check if any auth bit lower than CURLAUTH_ONLY is still set */
-    bitcheck = 0;
-    authbits = FALSE;
-    while(bitcheck < 31) {
-      if(auth & (1UL << bitcheck++)) {
-        authbits = TRUE;
-        break;
-      }
-    }
-    if(!authbits)
-      return CURLE_NOT_BUILT_IN; /* no supported types left! */
-
-    data->set.httpauth = auth;
-  }
-  break;
-
-  case CURLOPT_CUSTOMREQUEST:
-    /*
-     * Set a custom string to use as request
-     */
-    result = setstropt(&data->set.str[STRING_CUSTOMREQUEST],
-                       va_arg(param, char *));
-
-    /* we don't set
-       data->set.httpreq = HTTPREQ_CUSTOM;
-       here, we continue as if we were using the already set type
-       and this just changes the actual request keyword */
-    break;
-
-#ifndef CURL_DISABLE_PROXY
-  case CURLOPT_HTTPPROXYTUNNEL:
-    /*
-     * Tunnel operations through the proxy instead of normal proxy use
-     */
-    data->set.tunnel_thru_httpproxy = (0 != va_arg(param, long)) ?
-                                      TRUE : FALSE;
-    break;
-
-  case CURLOPT_PROXYPORT:
-    /*
-     * Explicitly set HTTP proxy port number.
-     */
-    data->set.proxyport = va_arg(param, long);
-    break;
-
-  case CURLOPT_PROXYAUTH:
-    /*
-     * Set HTTP Authentication type BITMASK.
-     */
-  {
-    int bitcheck;
-    bool authbits;
-    unsigned long auth = va_arg(param, unsigned long);
-
-    if(auth == CURLAUTH_NONE) {
-      data->set.proxyauth = auth;
-      break;
-    }
-
-    /* the DIGEST_IE bit is only used to set a special marker, for all the
-       rest we need to handle it as normal DIGEST */
-    data->state.authproxy.iestyle = (auth & CURLAUTH_DIGEST_IE) ? TRUE : FALSE;
-
-    if(auth & CURLAUTH_DIGEST_IE) {
-      auth |= CURLAUTH_DIGEST; /* set standard digest bit */
-      auth &= ~CURLAUTH_DIGEST_IE; /* unset ie digest bit */
-    }
-    /* switch off bits we can't support */
-#ifndef USE_NTLM
-    auth &= ~CURLAUTH_NTLM;    /* no NTLM support */
-    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
-#elif !defined(NTLM_WB_ENABLED)
-    auth &= ~CURLAUTH_NTLM_WB; /* no NTLM_WB support */
-#endif
-#ifndef USE_SPNEGO
-    auth &= ~CURLAUTH_NEGOTIATE; /* no Negotiate (SPNEGO) auth without
-                                    GSS-API or SSPI */
-#endif
-
-    /* check if any auth bit lower than CURLAUTH_ONLY is still set */
-    bitcheck = 0;
-    authbits = FALSE;
-    while(bitcheck < 31) {
-      if(auth & (1UL << bitcheck++)) {
-        authbits = TRUE;
-        break;
-      }
-    }
-    if(!authbits)
-      return CURLE_NOT_BUILT_IN; /* no supported types left! */
-
-    data->set.proxyauth = auth;
-  }
-  break;
-
-  case CURLOPT_PROXY:
-    /*
-     * Set proxy server:port to use as proxy.
-     *
-     * If the proxy is set to "" (and CURLOPT_SOCKS_PROXY is set to "" or NULL)
-     * we explicitly say that we don't want to use a proxy
-     * (even though there might be environment variables saying so).
-     *
-     * Setting it to NULL, means no proxy but allows the environment variables
-     * to decide for us (if CURLOPT_SOCKS_PROXY setting it to NULL).
-     */
-    result = setstropt(&data->set.str[STRING_PROXY],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_PRE_PROXY:
-    /*
-     * Set proxy server:port to use as SOCKS proxy.
-     *
-     * If the proxy is set to "" or NULL we explicitly say that we don't want
-     * to use the socks proxy.
-     */
-    result = setstropt(&data->set.str[STRING_PRE_PROXY],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_PROXYTYPE:
-    /*
-     * Set proxy type. HTTP/HTTP_1_0/SOCKS4/SOCKS4a/SOCKS5/SOCKS5_HOSTNAME
-     */
-    data->set.proxytype = (curl_proxytype)va_arg(param, long);
-    break;
-
-  case CURLOPT_PROXY_TRANSFER_MODE:
-    /*
-     * set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy
-     */
-    switch(va_arg(param, long)) {
-    case 0:
-      data->set.proxy_transfer_mode = FALSE;
-      break;
-    case 1:
-      data->set.proxy_transfer_mode = TRUE;
-      break;
-    default:
-      /* reserve other values for future use */
-      result = CURLE_UNKNOWN_OPTION;
-      break;
-    }
-    break;
-#endif   /* CURL_DISABLE_PROXY */
-
-  case CURLOPT_SOCKS5_AUTH:
-    data->set.socks5auth = va_arg(param, unsigned long);
-    if(data->set.socks5auth & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI))
-      result = CURLE_NOT_BUILT_IN;
-    break;
-#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
-  case CURLOPT_SOCKS5_GSSAPI_NEC:
-    /*
-     * Set flag for NEC SOCK5 support
-     */
-    data->set.socks5_gssapi_nec = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_SOCKS5_GSSAPI_SERVICE:
-  case CURLOPT_PROXY_SERVICE_NAME:
-    /*
-     * Set proxy authentication service name for Kerberos 5 and SPNEGO
-     */
-    result = setstropt(&data->set.str[STRING_PROXY_SERVICE_NAME],
-                       va_arg(param, char *));
-    break;
-#endif
-
-#if !defined(CURL_DISABLE_CRYPTO_AUTH) || defined(USE_KERBEROS5) || \
-    defined(USE_SPNEGO)
-  case CURLOPT_SERVICE_NAME:
-    /*
-     * Set authentication service name for DIGEST-MD5, Kerberos 5 and SPNEGO
-     */
-    result = setstropt(&data->set.str[STRING_SERVICE_NAME],
-                       va_arg(param, char *));
-    break;
-
-#endif
-
-  case CURLOPT_HEADERDATA:
-    /*
-     * Custom pointer to pass the header write callback function
-     */
-    data->set.writeheader = (void *)va_arg(param, void *);
-    break;
-  case CURLOPT_ERRORBUFFER:
-    /*
-     * Error buffer provided by the caller to get the human readable
-     * error string in.
-     */
-    data->set.errorbuffer = va_arg(param, char *);
-    break;
-  case CURLOPT_WRITEDATA:
-    /*
-     * FILE pointer to write to. Or possibly
-     * used as argument to the write callback.
-     */
-    data->set.out = va_arg(param, void *);
-    break;
-  case CURLOPT_FTPPORT:
-    /*
-     * Use FTP PORT, this also specifies which IP address to use
-     */
-    result = setstropt(&data->set.str[STRING_FTPPORT],
-                       va_arg(param, char *));
-    data->set.ftp_use_port = (data->set.str[STRING_FTPPORT]) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_FTP_USE_EPRT:
-    data->set.ftp_use_eprt = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_FTP_USE_EPSV:
-    data->set.ftp_use_epsv = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_FTP_USE_PRET:
-    data->set.ftp_use_pret = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_FTP_SSL_CCC:
-    data->set.ftp_ccc = (curl_ftpccc)va_arg(param, long);
-    break;
-
-  case CURLOPT_FTP_SKIP_PASV_IP:
-    /*
-     * Enable or disable FTP_SKIP_PASV_IP, which will disable/enable the
-     * bypass of the IP address in PASV responses.
-     */
-    data->set.ftp_skip_ip = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_READDATA:
-    /*
-     * FILE pointer to read the file to be uploaded from. Or possibly
-     * used as argument to the read callback.
-     */
-    data->set.in_set = va_arg(param, void *);
-    break;
-  case CURLOPT_INFILESIZE:
-    /*
-     * If known, this should inform curl about the file size of the
-     * to-be-uploaded file.
-     */
-    data->set.filesize = va_arg(param, long);
-    break;
-  case CURLOPT_INFILESIZE_LARGE:
-    /*
-     * If known, this should inform curl about the file size of the
-     * to-be-uploaded file.
-     */
-    data->set.filesize = va_arg(param, curl_off_t);
-    break;
-  case CURLOPT_LOW_SPEED_LIMIT:
-    /*
-     * The low speed limit that if transfers are below this for
-     * CURLOPT_LOW_SPEED_TIME, the transfer is aborted.
-     */
-    data->set.low_speed_limit = va_arg(param, long);
-    break;
-  case CURLOPT_MAX_SEND_SPEED_LARGE:
-    /*
-     * When transfer uploads are faster then CURLOPT_MAX_SEND_SPEED_LARGE
-     * bytes per second the transfer is throttled..
-     */
-    data->set.max_send_speed = va_arg(param, curl_off_t);
-    break;
-  case CURLOPT_MAX_RECV_SPEED_LARGE:
-    /*
-     * When receiving data faster than CURLOPT_MAX_RECV_SPEED_LARGE bytes per
-     * second the transfer is throttled..
-     */
-    data->set.max_recv_speed = va_arg(param, curl_off_t);
-    break;
-  case CURLOPT_LOW_SPEED_TIME:
-    /*
-     * The low speed time that if transfers are below the set
-     * CURLOPT_LOW_SPEED_LIMIT during this time, the transfer is aborted.
-     */
-    data->set.low_speed_time = va_arg(param, long);
-    break;
-  case CURLOPT_URL:
-    /*
-     * The URL to fetch.
-     */
-    if(data->change.url_alloc) {
-      /* the already set URL is allocated, free it first! */
-      Curl_safefree(data->change.url);
-      data->change.url_alloc = FALSE;
-    }
-    result = setstropt(&data->set.str[STRING_SET_URL],
-                       va_arg(param, char *));
-    data->change.url = data->set.str[STRING_SET_URL];
-    break;
-  case CURLOPT_PORT:
-    /*
-     * The port number to use when getting the URL
-     */
-    data->set.use_port = va_arg(param, long);
-    break;
-  case CURLOPT_TIMEOUT:
-    /*
-     * The maximum time you allow curl to use for a single transfer
-     * operation.
-     */
-    data->set.timeout = va_arg(param, long) * 1000L;
-    break;
-
-  case CURLOPT_TIMEOUT_MS:
-    data->set.timeout = va_arg(param, long);
-    break;
-
-  case CURLOPT_CONNECTTIMEOUT:
-    /*
-     * The maximum time you allow curl to use to connect.
-     */
-    data->set.connecttimeout = va_arg(param, long) * 1000L;
-    break;
-
-  case CURLOPT_CONNECTTIMEOUT_MS:
-    data->set.connecttimeout = va_arg(param, long);
-    break;
-
-  case CURLOPT_ACCEPTTIMEOUT_MS:
-    /*
-     * The maximum time you allow curl to wait for server connect
-     */
-    data->set.accepttimeout = va_arg(param, long);
-    break;
-
-  case CURLOPT_USERPWD:
-    /*
-     * user:password to use in the operation
-     */
-    result = setstropt_userpwd(va_arg(param, char *),
-                               &data->set.str[STRING_USERNAME],
-                               &data->set.str[STRING_PASSWORD]);
-    break;
-
-  case CURLOPT_USERNAME:
-    /*
-     * authentication user name to use in the operation
-     */
-    result = setstropt(&data->set.str[STRING_USERNAME],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_PASSWORD:
-    /*
-     * authentication password to use in the operation
-     */
-    result = setstropt(&data->set.str[STRING_PASSWORD],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_LOGIN_OPTIONS:
-    /*
-     * authentication options to use in the operation
-     */
-    result = setstropt(&data->set.str[STRING_OPTIONS],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_XOAUTH2_BEARER:
-    /*
-     * OAuth 2.0 bearer token to use in the operation
-     */
-    result = setstropt(&data->set.str[STRING_BEARER],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_POSTQUOTE:
-    /*
-     * List of RAW FTP commands to use after a transfer
-     */
-    data->set.postquote = va_arg(param, struct curl_slist *);
-    break;
-  case CURLOPT_PREQUOTE:
-    /*
-     * List of RAW FTP commands to use prior to RETR (Wesley Laxton)
-     */
-    data->set.prequote = va_arg(param, struct curl_slist *);
-    break;
-  case CURLOPT_QUOTE:
-    /*
-     * List of RAW FTP commands to use before a transfer
-     */
-    data->set.quote = va_arg(param, struct curl_slist *);
-    break;
-  case CURLOPT_RESOLVE:
-    /*
-     * List of NAME:[address] names to populate the DNS cache with
-     * Prefix the NAME with dash (-) to _remove_ the name from the cache.
-     *
-     * Names added with this API will remain in the cache until explicitly
-     * removed or the handle is cleaned up.
-     *
-     * This API can remove any name from the DNS cache, but only entries
-     * that aren't actually in use right now will be pruned immediately.
-     */
-    data->set.resolve = va_arg(param, struct curl_slist *);
-    data->change.resolve = data->set.resolve;
-    break;
-  case CURLOPT_PROGRESSFUNCTION:
-    /*
-     * Progress callback function
-     */
-    data->set.fprogress = va_arg(param, curl_progress_callback);
-    if(data->set.fprogress)
-      data->progress.callback = TRUE; /* no longer internal */
-    else
-      data->progress.callback = FALSE; /* NULL enforces internal */
-    break;
-
-  case CURLOPT_XFERINFOFUNCTION:
-    /*
-     * Transfer info callback function
-     */
-    data->set.fxferinfo = va_arg(param, curl_xferinfo_callback);
-    if(data->set.fxferinfo)
-      data->progress.callback = TRUE; /* no longer internal */
-    else
-      data->progress.callback = FALSE; /* NULL enforces internal */
-
-    break;
-
-  case CURLOPT_PROGRESSDATA:
-    /*
-     * Custom client data to pass to the progress callback
-     */
-    data->set.progress_client = va_arg(param, void *);
-    break;
-
-#ifndef CURL_DISABLE_PROXY
-  case CURLOPT_PROXYUSERPWD:
-    /*
-     * user:password needed to use the proxy
-     */
-    result = setstropt_userpwd(va_arg(param, char *),
-                               &data->set.str[STRING_PROXYUSERNAME],
-                               &data->set.str[STRING_PROXYPASSWORD]);
-    break;
-  case CURLOPT_PROXYUSERNAME:
-    /*
-     * authentication user name to use in the operation
-     */
-    result = setstropt(&data->set.str[STRING_PROXYUSERNAME],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXYPASSWORD:
-    /*
-     * authentication password to use in the operation
-     */
-    result = setstropt(&data->set.str[STRING_PROXYPASSWORD],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_NOPROXY:
-    /*
-     * proxy exception list
-     */
-    result = setstropt(&data->set.str[STRING_NOPROXY],
-                       va_arg(param, char *));
-    break;
-#endif
-
-  case CURLOPT_RANGE:
-    /*
-     * What range of the file you want to transfer
-     */
-    result = setstropt(&data->set.str[STRING_SET_RANGE],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_RESUME_FROM:
-    /*
-     * Resume transfer at the given file position
-     */
-    data->set.set_resume_from = va_arg(param, long);
-    break;
-  case CURLOPT_RESUME_FROM_LARGE:
-    /*
-     * Resume transfer at the given file position
-     */
-    data->set.set_resume_from = va_arg(param, curl_off_t);
-    break;
-  case CURLOPT_DEBUGFUNCTION:
-    /*
-     * stderr write callback.
-     */
-    data->set.fdebug = va_arg(param, curl_debug_callback);
-    /*
-     * if the callback provided is NULL, it'll use the default callback
-     */
-    break;
-  case CURLOPT_DEBUGDATA:
-    /*
-     * Set to a void * that should receive all error writes. This
-     * defaults to CURLOPT_STDERR for normal operations.
-     */
-    data->set.debugdata = va_arg(param, void *);
-    break;
-  case CURLOPT_STDERR:
-    /*
-     * Set to a FILE * that should receive all error writes. This
-     * defaults to stderr for normal operations.
-     */
-    data->set.err = va_arg(param, FILE *);
-    if(!data->set.err)
-      data->set.err = stderr;
-    break;
-  case CURLOPT_HEADERFUNCTION:
-    /*
-     * Set header write callback
-     */
-    data->set.fwrite_header = va_arg(param, curl_write_callback);
-    break;
-  case CURLOPT_WRITEFUNCTION:
-    /*
-     * Set data write callback
-     */
-    data->set.fwrite_func = va_arg(param, curl_write_callback);
-    if(!data->set.fwrite_func) {
-      data->set.is_fwrite_set = 0;
-      /* When set to NULL, reset to our internal default function */
-      data->set.fwrite_func = (curl_write_callback)fwrite;
-    }
-    else
-      data->set.is_fwrite_set = 1;
-    break;
-  case CURLOPT_READFUNCTION:
-    /*
-     * Read data callback
-     */
-    data->set.fread_func_set = va_arg(param, curl_read_callback);
-    if(!data->set.fread_func_set) {
-      data->set.is_fread_set = 0;
-      /* When set to NULL, reset to our internal default function */
-      data->set.fread_func_set = (curl_read_callback)fread;
-    }
-    else
-      data->set.is_fread_set = 1;
-    break;
-  case CURLOPT_SEEKFUNCTION:
-    /*
-     * Seek callback. Might be NULL.
-     */
-    data->set.seek_func = va_arg(param, curl_seek_callback);
-    break;
-  case CURLOPT_SEEKDATA:
-    /*
-     * Seek control callback. Might be NULL.
-     */
-    data->set.seek_client = va_arg(param, void *);
-    break;
-  case CURLOPT_CONV_FROM_NETWORK_FUNCTION:
-    /*
-     * "Convert from network encoding" callback
-     */
-    data->set.convfromnetwork = va_arg(param, curl_conv_callback);
-    break;
-  case CURLOPT_CONV_TO_NETWORK_FUNCTION:
-    /*
-     * "Convert to network encoding" callback
-     */
-    data->set.convtonetwork = va_arg(param, curl_conv_callback);
-    break;
-  case CURLOPT_CONV_FROM_UTF8_FUNCTION:
-    /*
-     * "Convert from UTF-8 encoding" callback
-     */
-    data->set.convfromutf8 = va_arg(param, curl_conv_callback);
-    break;
-  case CURLOPT_IOCTLFUNCTION:
-    /*
-     * I/O control callback. Might be NULL.
-     */
-    data->set.ioctl_func = va_arg(param, curl_ioctl_callback);
-    break;
-  case CURLOPT_IOCTLDATA:
-    /*
-     * I/O control data pointer. Might be NULL.
-     */
-    data->set.ioctl_client = va_arg(param, void *);
-    break;
-  case CURLOPT_SSLCERT:
-    /*
-     * String that holds file name of the SSL certificate to use
-     */
-    result = setstropt(&data->set.str[STRING_CERT_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_SSLCERT:
-    /*
-     * String that holds file name of the SSL certificate to use for proxy
-     */
-    result = setstropt(&data->set.str[STRING_CERT_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_SSLCERTTYPE:
-    /*
-     * String that holds file type of the SSL certificate to use
-     */
-    result = setstropt(&data->set.str[STRING_CERT_TYPE_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_SSLCERTTYPE:
-    /*
-     * String that holds file type of the SSL certificate to use for proxy
-     */
-    result = setstropt(&data->set.str[STRING_CERT_TYPE_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_SSLKEY:
-    /*
-     * String that holds file name of the SSL key to use
-     */
-    result = setstropt(&data->set.str[STRING_KEY_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_SSLKEY:
-    /*
-     * String that holds file name of the SSL key to use for proxy
-     */
-    result = setstropt(&data->set.str[STRING_KEY_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_SSLKEYTYPE:
-    /*
-     * String that holds file type of the SSL key to use
-     */
-    result = setstropt(&data->set.str[STRING_KEY_TYPE_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_SSLKEYTYPE:
-    /*
-     * String that holds file type of the SSL key to use for proxy
-     */
-    result = setstropt(&data->set.str[STRING_KEY_TYPE_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_KEYPASSWD:
-    /*
-     * String that holds the SSL or SSH private key password.
-     */
-    result = setstropt(&data->set.str[STRING_KEY_PASSWD_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_KEYPASSWD:
-    /*
-     * String that holds the SSL private key password for proxy.
-     */
-    result = setstropt(&data->set.str[STRING_KEY_PASSWD_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_SSLENGINE:
-    /*
-     * String that holds the SSL crypto engine.
-     */
-    argptr = va_arg(param, char *);
-    if(argptr && argptr[0])
-      result = Curl_ssl_set_engine(data, argptr);
-    break;
-
-  case CURLOPT_SSLENGINE_DEFAULT:
-    /*
-     * flag to set engine as default.
-     */
-    result = Curl_ssl_set_engine_default(data);
-    break;
-  case CURLOPT_CRLF:
-    /*
-     * Kludgy option to enable CRLF conversions. Subject for removal.
-     */
-    data->set.crlf = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_INTERFACE:
-    /*
-     * Set what interface or address/hostname to bind the socket to when
-     * performing an operation and thus what from-IP your connection will use.
-     */
-    result = setstropt(&data->set.str[STRING_DEVICE],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_LOCALPORT:
-    /*
-     * Set what local port to bind the socket to when performing an operation.
-     */
-    arg = va_arg(param, long);
-    if((arg < 0) || (arg > 65535))
-      return CURLE_BAD_FUNCTION_ARGUMENT;
-    data->set.localport = curlx_sltous(arg);
-    break;
-  case CURLOPT_LOCALPORTRANGE:
-    /*
-     * Set number of local ports to try, starting with CURLOPT_LOCALPORT.
-     */
-    arg = va_arg(param, long);
-    if((arg < 0) || (arg > 65535))
-      return CURLE_BAD_FUNCTION_ARGUMENT;
-    data->set.localportrange = curlx_sltosi(arg);
-    break;
-  case CURLOPT_KRBLEVEL:
-    /*
-     * A string that defines the kerberos security level.
-     */
-    result = setstropt(&data->set.str[STRING_KRB_LEVEL],
-                       va_arg(param, char *));
-    data->set.krb = (data->set.str[STRING_KRB_LEVEL]) ? TRUE : FALSE;
-    break;
-  case CURLOPT_GSSAPI_DELEGATION:
-    /*
-     * GSS-API credential delegation
-     */
-    data->set.gssapi_delegation = va_arg(param, long);
-    break;
-  case CURLOPT_SSL_VERIFYPEER:
-    /*
-     * Enable peer SSL verifying.
-     */
-    data->set.ssl.primary.verifypeer = (0 != va_arg(param, long)) ?
-                                       TRUE : FALSE;
-    break;
-  case CURLOPT_PROXY_SSL_VERIFYPEER:
-    /*
-     * Enable peer SSL verifying for proxy.
-     */
-    data->set.proxy_ssl.primary.verifypeer =
-      (0 != va_arg(param, long))?TRUE:FALSE;
-    break;
-  case CURLOPT_SSL_VERIFYHOST:
-    /*
-     * Enable verification of the host name in the peer certificate
-     */
-    arg = va_arg(param, long);
-
-    /* Obviously people are not reading documentation and too many thought
-       this argument took a boolean when it wasn't and misused it. We thus ban
-       1 as a sensible input and we warn about its use. Then we only have the
-       2 action internally stored as TRUE. */
-
-    if(1 == arg) {
-      failf(data, "CURLOPT_SSL_VERIFYHOST no longer supports 1 as value!");
-      return CURLE_BAD_FUNCTION_ARGUMENT;
-    }
-
-    data->set.ssl.primary.verifyhost = (0 != arg) ? TRUE : FALSE;
-    break;
-  case CURLOPT_PROXY_SSL_VERIFYHOST:
-    /*
-     * Enable verification of the host name in the peer certificate for proxy
-     */
-    arg = va_arg(param, long);
-
-    /* Obviously people are not reading documentation and too many thought
-       this argument took a boolean when it wasn't and misused it. We thus ban
-       1 as a sensible input and we warn about its use. Then we only have the
-       2 action internally stored as TRUE. */
-
-    if(1 == arg) {
-      failf(data, "CURLOPT_SSL_VERIFYHOST no longer supports 1 as value!");
-      return CURLE_BAD_FUNCTION_ARGUMENT;
-    }
-
-    data->set.proxy_ssl.primary.verifyhost = (0 != arg)?TRUE:FALSE;
-    break;
-  case CURLOPT_SSL_VERIFYSTATUS:
-    /*
-     * Enable certificate status verifying.
-     */
-    if(!Curl_ssl_cert_status_request()) {
-      result = CURLE_NOT_BUILT_IN;
-      break;
-    }
-
-    data->set.ssl.primary.verifystatus = (0 != va_arg(param, long)) ?
-                                         TRUE : FALSE;
-    break;
-  case CURLOPT_SSL_CTX_FUNCTION:
-    /*
-     * Set a SSL_CTX callback
-     */
-#ifdef USE_SSL
-    if(Curl_ssl->have_ssl_ctx)
-      data->set.ssl.fsslctx = va_arg(param, curl_ssl_ctx_callback);
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_SSL_CTX_DATA:
-    /*
-     * Set a SSL_CTX callback parameter pointer
-     */
-#ifdef USE_SSL
-    if(Curl_ssl->have_ssl_ctx)
-      data->set.ssl.fsslctxp = va_arg(param, void *);
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_SSL_FALSESTART:
-    /*
-     * Enable TLS false start.
-     */
-    if(!Curl_ssl_false_start()) {
-      result = CURLE_NOT_BUILT_IN;
-      break;
-    }
-
-    data->set.ssl.falsestart = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_CERTINFO:
-#ifdef USE_SSL
-    if(Curl_ssl->have_certinfo)
-      data->set.ssl.certinfo = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_PINNEDPUBLICKEY:
-    /*
-     * Set pinned public key for SSL connection.
-     * Specify file name of the public key in DER format.
-     */
-#ifdef USE_SSL
-    if(Curl_ssl->have_pinnedpubkey)
-      result = setstropt(&data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG],
-                         va_arg(param, char *));
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_PROXY_PINNEDPUBLICKEY:
-    /*
-     * Set pinned public key for SSL connection.
-     * Specify file name of the public key in DER format.
-     */
-#ifdef USE_SSL
-    if(Curl_ssl->have_pinnedpubkey)
-      result = setstropt(&data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY],
-                         va_arg(param, char *));
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_CAINFO:
-    /*
-     * Set CA info for SSL connection. Specify file name of the CA certificate
-     */
-    result = setstropt(&data->set.str[STRING_SSL_CAFILE_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_CAINFO:
-    /*
-     * Set CA info SSL connection for proxy. Specify file name of the
-     * CA certificate
-     */
-    result = setstropt(&data->set.str[STRING_SSL_CAFILE_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_CAPATH:
-    /*
-     * Set CA path info for SSL connection. Specify directory name of the CA
-     * certificates which have been prepared using openssl c_rehash utility.
-     */
-#ifdef USE_SSL
-    if(Curl_ssl->have_ca_path)
-      /* This does not work on windows. */
-      result = setstropt(&data->set.str[STRING_SSL_CAPATH_ORIG],
-                         va_arg(param, char *));
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_PROXY_CAPATH:
-    /*
-     * Set CA path info for SSL connection proxy. Specify directory name of the
-     * CA certificates which have been prepared using openssl c_rehash utility.
-     */
-#ifdef USE_SSL
-    if(Curl_ssl->have_ca_path)
-      /* This does not work on windows. */
-      result = setstropt(&data->set.str[STRING_SSL_CAPATH_PROXY],
-                         va_arg(param, char *));
-    else
-#endif
-      result = CURLE_NOT_BUILT_IN;
-    break;
-  case CURLOPT_CRLFILE:
-    /*
-     * Set CRL file info for SSL connection. Specify file name of the CRL
-     * to check certificates revocation
-     */
-    result = setstropt(&data->set.str[STRING_SSL_CRLFILE_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_PROXY_CRLFILE:
-    /*
-     * Set CRL file info for SSL connection for proxy. Specify file name of the
-     * CRL to check certificates revocation
-     */
-    result = setstropt(&data->set.str[STRING_SSL_CRLFILE_PROXY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_ISSUERCERT:
-    /*
-     * Set Issuer certificate file
-     * to check certificates issuer
-     */
-    result = setstropt(&data->set.str[STRING_SSL_ISSUERCERT_ORIG],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_TELNETOPTIONS:
-    /*
-     * Set a linked list of telnet options
-     */
-    data->set.telnet_options = va_arg(param, struct curl_slist *);
-    break;
-
-  case CURLOPT_BUFFERSIZE:
-    /*
-     * The application kindly asks for a differently sized receive buffer.
-     * If it seems reasonable, we'll use it.
-     */
-    arg = va_arg(param, long);
-
-    if(arg > READBUFFER_MAX)
-      arg = READBUFFER_MAX;
-    else if(arg < 1)
-      arg = READBUFFER_SIZE;
-    else if(arg < READBUFFER_MIN)
-      arg = READBUFFER_MIN;
-
-    /* Resize if new size */
-    if(arg != data->set.buffer_size) {
-      char *newbuff = realloc(data->state.buffer, arg + 1);
-      if(!newbuff) {
-        DEBUGF(fprintf(stderr, "Error: realloc of buffer failed\n"));
-        result = CURLE_OUT_OF_MEMORY;
-      }
-      else
-        data->state.buffer = newbuff;
-    }
-    data->set.buffer_size = arg;
-
-    break;
-
-  case CURLOPT_NOSIGNAL:
-    /*
-     * The application asks not to set any signal() or alarm() handlers,
-     * even when using a timeout.
-     */
-    data->set.no_signal = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_SHARE:
-  {
-    struct Curl_share *set;
-    set = va_arg(param, struct Curl_share *);
-
-    /* disconnect from old share, if any */
-    if(data->share) {
-      Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
-
-      if(data->dns.hostcachetype == HCACHE_SHARED) {
-        data->dns.hostcache = NULL;
-        data->dns.hostcachetype = HCACHE_NONE;
-      }
-
-#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
-      if(data->share->cookies == data->cookies)
-        data->cookies = NULL;
-#endif
-
-      if(data->share->sslsession == data->state.session)
-        data->state.session = NULL;
-
-      data->share->dirty--;
-
-      Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
-      data->share = NULL;
-    }
-
-    /* use new share if it set */
-    data->share = set;
-    if(data->share) {
-
-      Curl_share_lock(data, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE);
-
-      data->share->dirty++;
-
-      if(data->share->specifier & (1<< CURL_LOCK_DATA_DNS)) {
-        /* use shared host cache */
-        data->dns.hostcache = &data->share->hostcache;
-        data->dns.hostcachetype = HCACHE_SHARED;
-      }
-#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
-      if(data->share->cookies) {
-        /* use shared cookie list, first free own one if any */
-        Curl_cookie_cleanup(data->cookies);
-        /* enable cookies since we now use a share that uses cookies! */
-        data->cookies = data->share->cookies;
-      }
-#endif   /* CURL_DISABLE_HTTP */
-      if(data->share->sslsession) {
-        data->set.general_ssl.max_ssl_sessions = data->share->max_ssl_sessions;
-        data->state.session = data->share->sslsession;
-      }
-      Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
-
-    }
-    /* check for host cache not needed,
-     * it will be done by curl_easy_perform */
-  }
-  break;
-
-  case CURLOPT_PRIVATE:
-    /*
-     * Set private data pointer.
-     */
-    data->set.private_data = va_arg(param, void *);
-    break;
-
-  case CURLOPT_MAXFILESIZE:
-    /*
-     * Set the maximum size of a file to download.
-     */
-    data->set.max_filesize = va_arg(param, long);
-    break;
-
-#ifdef USE_SSL
-  case CURLOPT_USE_SSL:
-    /*
-     * Make transfers attempt to use SSL/TLS.
-     */
-    data->set.use_ssl = (curl_usessl)va_arg(param, long);
-    break;
-
-  case CURLOPT_SSL_OPTIONS:
-    arg = va_arg(param, long);
-    data->set.ssl.enable_beast = arg&CURLSSLOPT_ALLOW_BEAST?TRUE:FALSE;
-    data->set.ssl.no_revoke = !!(arg & CURLSSLOPT_NO_REVOKE);
-    break;
-
-  case CURLOPT_PROXY_SSL_OPTIONS:
-    arg = va_arg(param, long);
-    data->set.proxy_ssl.enable_beast = arg&CURLSSLOPT_ALLOW_BEAST?TRUE:FALSE;
-    data->set.proxy_ssl.no_revoke = !!(arg & CURLSSLOPT_NO_REVOKE);
-    break;
-
-#endif
-  case CURLOPT_FTPSSLAUTH:
-    /*
-     * Set a specific auth for FTP-SSL transfers.
-     */
-    data->set.ftpsslauth = (curl_ftpauth)va_arg(param, long);
-    break;
-
-  case CURLOPT_IPRESOLVE:
-    data->set.ipver = va_arg(param, long);
-    break;
-
-  case CURLOPT_MAXFILESIZE_LARGE:
-    /*
-     * Set the maximum size of a file to download.
-     */
-    data->set.max_filesize = va_arg(param, curl_off_t);
-    break;
-
-  case CURLOPT_TCP_NODELAY:
-    /*
-     * Enable or disable TCP_NODELAY, which will disable/enable the Nagle
-     * algorithm
-     */
-    data->set.tcp_nodelay = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_FTP_ACCOUNT:
-    result = setstropt(&data->set.str[STRING_FTP_ACCOUNT],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_IGNORE_CONTENT_LENGTH:
-    data->set.ignorecl = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_CONNECT_ONLY:
-    /*
-     * No data transfer, set up connection and let application use the socket
-     */
-    data->set.connect_only = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_FTP_ALTERNATIVE_TO_USER:
-    result = setstropt(&data->set.str[STRING_FTP_ALTERNATIVE_TO_USER],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_SOCKOPTFUNCTION:
-    /*
-     * socket callback function: called after socket() but before connect()
-     */
-    data->set.fsockopt = va_arg(param, curl_sockopt_callback);
-    break;
-
-  case CURLOPT_SOCKOPTDATA:
-    /*
-     * socket callback data pointer. Might be NULL.
-     */
-    data->set.sockopt_client = va_arg(param, void *);
-    break;
-
-  case CURLOPT_OPENSOCKETFUNCTION:
-    /*
-     * open/create socket callback function: called instead of socket(),
-     * before connect()
-     */
-    data->set.fopensocket = va_arg(param, curl_opensocket_callback);
-    break;
-
-  case CURLOPT_OPENSOCKETDATA:
-    /*
-     * socket callback data pointer. Might be NULL.
-     */
-    data->set.opensocket_client = va_arg(param, void *);
-    break;
-
-  case CURLOPT_CLOSESOCKETFUNCTION:
-    /*
-     * close socket callback function: called instead of close()
-     * when shutting down a connection
-     */
-    data->set.fclosesocket = va_arg(param, curl_closesocket_callback);
-    break;
-
-  case CURLOPT_CLOSESOCKETDATA:
-    /*
-     * socket callback data pointer. Might be NULL.
-     */
-    data->set.closesocket_client = va_arg(param, void *);
-    break;
-
-  case CURLOPT_SSL_SESSIONID_CACHE:
-    data->set.ssl.primary.sessionid = (0 != va_arg(param, long)) ?
-                                      TRUE : FALSE;
-    data->set.proxy_ssl.primary.sessionid = data->set.ssl.primary.sessionid;
-    break;
-
-#ifdef USE_LIBSSH2
-    /* we only include SSH options if explicitly built to support SSH */
-  case CURLOPT_SSH_AUTH_TYPES:
-    data->set.ssh_auth_types = va_arg(param, long);
-    break;
-
-  case CURLOPT_SSH_PUBLIC_KEYFILE:
-    /*
-     * Use this file instead of the $HOME/.ssh/id_dsa.pub file
-     */
-    result = setstropt(&data->set.str[STRING_SSH_PUBLIC_KEY],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_SSH_PRIVATE_KEYFILE:
-    /*
-     * Use this file instead of the $HOME/.ssh/id_dsa file
-     */
-    result = setstropt(&data->set.str[STRING_SSH_PRIVATE_KEY],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
-    /*
-     * Option to allow for the MD5 of the host public key to be checked
-     * for validation purposes.
-     */
-    result = setstropt(&data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5],
-                       va_arg(param, char *));
-    break;
-#ifdef HAVE_LIBSSH2_KNOWNHOST_API
-  case CURLOPT_SSH_KNOWNHOSTS:
-    /*
-     * Store the file name to read known hosts from.
-     */
-    result = setstropt(&data->set.str[STRING_SSH_KNOWNHOSTS],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_SSH_KEYFUNCTION:
-    /* setting to NULL is fine since the ssh.c functions themselves will
-       then rever to use the internal default */
-    data->set.ssh_keyfunc = va_arg(param, curl_sshkeycallback);
-    break;
-
-  case CURLOPT_SSH_KEYDATA:
-    /*
-     * Custom client data to pass to the SSH keyfunc callback
-     */
-    data->set.ssh_keyfunc_userp = va_arg(param, void *);
-    break;
-#endif /* HAVE_LIBSSH2_KNOWNHOST_API */
-
-#endif /* USE_LIBSSH2 */
-
-  case CURLOPT_HTTP_TRANSFER_DECODING:
-    /*
-     * disable libcurl transfer encoding is used
-     */
-    data->set.http_te_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_HTTP_CONTENT_DECODING:
-    /*
-     * raw data passed to the application when content encoding is used
-     */
-    data->set.http_ce_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_NEW_FILE_PERMS:
-    /*
-     * Uses these permissions instead of 0644
-     */
-    data->set.new_file_perms = va_arg(param, long);
-    break;
-
-  case CURLOPT_NEW_DIRECTORY_PERMS:
-    /*
-     * Uses these permissions instead of 0755
-     */
-    data->set.new_directory_perms = va_arg(param, long);
-    break;
-
-  case CURLOPT_ADDRESS_SCOPE:
-    /*
-     * We always get longs when passed plain numericals, but for this value we
-     * know that an unsigned int will always hold the value so we blindly
-     * typecast to this type
-     */
-    arg = va_arg(param, long);
-    if((arg < 0) || (arg > 0xf))
-      return CURLE_BAD_FUNCTION_ARGUMENT;
-    data->set.scope_id = curlx_sltoui(arg);
-    break;
-
-  case CURLOPT_PROTOCOLS:
-    /* set the bitmask for the protocols that are allowed to be used for the
-       transfer, which thus helps the app which takes URLs from users or other
-       external inputs and want to restrict what protocol(s) to deal
-       with. Defaults to CURLPROTO_ALL. */
-    data->set.allowed_protocols = va_arg(param, long);
-    break;
-
-  case CURLOPT_REDIR_PROTOCOLS:
-    /* set the bitmask for the protocols that libcurl is allowed to follow to,
-       as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
-       to be set in both bitmasks to be allowed to get redirected to. Defaults
-       to all protocols except FILE and SCP. */
-    data->set.redir_protocols = va_arg(param, long);
-    break;
-
-  case CURLOPT_DEFAULT_PROTOCOL:
-    /* Set the protocol to use when the URL doesn't include any protocol */
-    result = setstropt(&data->set.str[STRING_DEFAULT_PROTOCOL],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_MAIL_FROM:
-    /* Set the SMTP mail originator */
-    result = setstropt(&data->set.str[STRING_MAIL_FROM],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_MAIL_AUTH:
-    /* Set the SMTP auth originator */
-    result = setstropt(&data->set.str[STRING_MAIL_AUTH],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_MAIL_RCPT:
-    /* Set the list of mail recipients */
-    data->set.mail_rcpt = va_arg(param, struct curl_slist *);
-    break;
-
-  case CURLOPT_SASL_IR:
-    /* Enable/disable SASL initial response */
-    data->set.sasl_ir = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-  case CURLOPT_RTSP_REQUEST:
-    {
-      /*
-       * Set the RTSP request method (OPTIONS, SETUP, PLAY, etc...)
-       * Would this be better if the RTSPREQ_* were just moved into here?
-       */
-      long curl_rtspreq = va_arg(param, long);
-      Curl_RtspReq rtspreq = RTSPREQ_NONE;
-      switch(curl_rtspreq) {
-        case CURL_RTSPREQ_OPTIONS:
-          rtspreq = RTSPREQ_OPTIONS;
-          break;
-
-        case CURL_RTSPREQ_DESCRIBE:
-          rtspreq = RTSPREQ_DESCRIBE;
-          break;
-
-        case CURL_RTSPREQ_ANNOUNCE:
-          rtspreq = RTSPREQ_ANNOUNCE;
-          break;
-
-        case CURL_RTSPREQ_SETUP:
-          rtspreq = RTSPREQ_SETUP;
-          break;
-
-        case CURL_RTSPREQ_PLAY:
-          rtspreq = RTSPREQ_PLAY;
-          break;
-
-        case CURL_RTSPREQ_PAUSE:
-          rtspreq = RTSPREQ_PAUSE;
-          break;
-
-        case CURL_RTSPREQ_TEARDOWN:
-          rtspreq = RTSPREQ_TEARDOWN;
-          break;
-
-        case CURL_RTSPREQ_GET_PARAMETER:
-          rtspreq = RTSPREQ_GET_PARAMETER;
-          break;
-
-        case CURL_RTSPREQ_SET_PARAMETER:
-          rtspreq = RTSPREQ_SET_PARAMETER;
-          break;
-
-        case CURL_RTSPREQ_RECORD:
-          rtspreq = RTSPREQ_RECORD;
-          break;
-
-        case CURL_RTSPREQ_RECEIVE:
-          rtspreq = RTSPREQ_RECEIVE;
-          break;
-        default:
-          rtspreq = RTSPREQ_NONE;
-      }
-
-      data->set.rtspreq = rtspreq;
-    break;
-    }
-
-
-  case CURLOPT_RTSP_SESSION_ID:
-    /*
-     * Set the RTSP Session ID manually. Useful if the application is
-     * resuming a previously established RTSP session
-     */
-    result = setstropt(&data->set.str[STRING_RTSP_SESSION_ID],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_RTSP_STREAM_URI:
-    /*
-     * Set the Stream URI for the RTSP request. Unless the request is
-     * for generic server options, the application will need to set this.
-     */
-    result = setstropt(&data->set.str[STRING_RTSP_STREAM_URI],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_RTSP_TRANSPORT:
-    /*
-     * The content of the Transport: header for the RTSP request
-     */
-    result = setstropt(&data->set.str[STRING_RTSP_TRANSPORT],
-                       va_arg(param, char *));
-    break;
-
-  case CURLOPT_RTSP_CLIENT_CSEQ:
-    /*
-     * Set the CSEQ number to issue for the next RTSP request. Useful if the
-     * application is resuming a previously broken connection. The CSEQ
-     * will increment from this new number henceforth.
-     */
-    data->state.rtsp_next_client_CSeq = va_arg(param, long);
-    break;
-
-  case CURLOPT_RTSP_SERVER_CSEQ:
-    /* Same as the above, but for server-initiated requests */
-    data->state.rtsp_next_client_CSeq = va_arg(param, long);
-    break;
-
-  case CURLOPT_INTERLEAVEDATA:
-    data->set.rtp_out = va_arg(param, void *);
-    break;
-  case CURLOPT_INTERLEAVEFUNCTION:
-    /* Set the user defined RTP write function */
-    data->set.fwrite_rtp = va_arg(param, curl_write_callback);
-    break;
-
-  case CURLOPT_WILDCARDMATCH:
-    data->set.wildcardmatch = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_CHUNK_BGN_FUNCTION:
-    data->set.chunk_bgn = va_arg(param, curl_chunk_bgn_callback);
-    break;
-  case CURLOPT_CHUNK_END_FUNCTION:
-    data->set.chunk_end = va_arg(param, curl_chunk_end_callback);
-    break;
-  case CURLOPT_FNMATCH_FUNCTION:
-    data->set.fnmatch = va_arg(param, curl_fnmatch_callback);
-    break;
-  case CURLOPT_CHUNK_DATA:
-    data->wildcard.customptr = va_arg(param, void *);
-    break;
-  case CURLOPT_FNMATCH_DATA:
-    data->set.fnmatch_data = va_arg(param, void *);
-    break;
-#ifdef USE_TLS_SRP
-  case CURLOPT_TLSAUTH_USERNAME:
-    result = setstropt(&data->set.str[STRING_TLSAUTH_USERNAME_ORIG],
-                       va_arg(param, char *));
-    if(data->set.str[STRING_TLSAUTH_USERNAME_ORIG] && !data->set.ssl.authtype)
-      data->set.ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
-    break;
-  case CURLOPT_PROXY_TLSAUTH_USERNAME:
-    result = setstropt(&data->set.str[STRING_TLSAUTH_USERNAME_PROXY],
-                       va_arg(param, char *));
-    if(data->set.str[STRING_TLSAUTH_USERNAME_PROXY] &&
-       !data->set.proxy_ssl.authtype)
-      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
-    break;
-  case CURLOPT_TLSAUTH_PASSWORD:
-    result = setstropt(&data->set.str[STRING_TLSAUTH_PASSWORD_ORIG],
-                       va_arg(param, char *));
-    if(data->set.str[STRING_TLSAUTH_USERNAME_ORIG] && !data->set.ssl.authtype)
-      data->set.ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
-    break;
-  case CURLOPT_PROXY_TLSAUTH_PASSWORD:
-    result = setstropt(&data->set.str[STRING_TLSAUTH_PASSWORD_PROXY],
-                       va_arg(param, char *));
-    if(data->set.str[STRING_TLSAUTH_USERNAME_PROXY] &&
-       !data->set.proxy_ssl.authtype)
-      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP; /* default to SRP */
-    break;
-  case CURLOPT_TLSAUTH_TYPE:
-    argptr = va_arg(param, char *);
-    if(!argptr ||
-       strncasecompare(argptr, "SRP", strlen("SRP")))
-      data->set.ssl.authtype = CURL_TLSAUTH_SRP;
-    else
-      data->set.ssl.authtype = CURL_TLSAUTH_NONE;
-    break;
-  case CURLOPT_PROXY_TLSAUTH_TYPE:
-    argptr = va_arg(param, char *);
-    if(!argptr ||
-       strncasecompare(argptr, "SRP", strlen("SRP")))
-      data->set.proxy_ssl.authtype = CURL_TLSAUTH_SRP;
-    else
-      data->set.proxy_ssl.authtype = CURL_TLSAUTH_NONE;
-    break;
-#endif
-  case CURLOPT_DNS_SERVERS:
-    result = Curl_set_dns_servers(data, va_arg(param, char *));
-    break;
-  case CURLOPT_DNS_INTERFACE:
-    result = Curl_set_dns_interface(data, va_arg(param, char *));
-    break;
-  case CURLOPT_DNS_LOCAL_IP4:
-    result = Curl_set_dns_local_ip4(data, va_arg(param, char *));
-    break;
-  case CURLOPT_DNS_LOCAL_IP6:
-    result = Curl_set_dns_local_ip6(data, va_arg(param, char *));
-    break;
-
-  case CURLOPT_TCP_KEEPALIVE:
-    data->set.tcp_keepalive = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_TCP_KEEPIDLE:
-    data->set.tcp_keepidle = va_arg(param, long);
-    break;
-  case CURLOPT_TCP_KEEPINTVL:
-    data->set.tcp_keepintvl = va_arg(param, long);
-    break;
-  case CURLOPT_TCP_FASTOPEN:
-#if defined(CONNECT_DATA_IDEMPOTENT) || defined(MSG_FASTOPEN)
-    data->set.tcp_fastopen = (0 != va_arg(param, long))?TRUE:FALSE;
-#else
-    result = CURLE_NOT_BUILT_IN;
-#endif
-    break;
-  case CURLOPT_SSL_ENABLE_NPN:
-    data->set.ssl_enable_npn = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_SSL_ENABLE_ALPN:
-    data->set.ssl_enable_alpn = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-
-#ifdef USE_UNIX_SOCKETS
-  case CURLOPT_UNIX_SOCKET_PATH:
-    data->set.abstract_unix_socket = FALSE;
-    result = setstropt(&data->set.str[STRING_UNIX_SOCKET_PATH],
-                       va_arg(param, char *));
-    break;
-  case CURLOPT_ABSTRACT_UNIX_SOCKET:
-    data->set.abstract_unix_socket = TRUE;
-    result = setstropt(&data->set.str[STRING_UNIX_SOCKET_PATH],
-                       va_arg(param, char *));
-    break;
-#endif
-
-  case CURLOPT_PATH_AS_IS:
-    data->set.path_as_is = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_PIPEWAIT:
-    data->set.pipewait = (0 != va_arg(param, long)) ? TRUE : FALSE;
-    break;
-  case CURLOPT_STREAM_WEIGHT:
-#ifndef USE_NGHTTP2
-    return CURLE_NOT_BUILT_IN;
-#else
-    arg = va_arg(param, long);
-    if((arg >= 1) && (arg <= 256))
-      data->set.stream_weight = (int)arg;
-    break;
-#endif
-  case CURLOPT_STREAM_DEPENDS:
-  case CURLOPT_STREAM_DEPENDS_E:
-  {
-#ifndef USE_NGHTTP2
-    return CURLE_NOT_BUILT_IN;
-#else
-    struct Curl_easy *dep = va_arg(param, struct Curl_easy *);
-    if(!dep || GOOD_EASY_HANDLE(dep)) {
-      if(data->set.stream_depends_on) {
-        Curl_http2_remove_child(data->set.stream_depends_on, data);
-      }
-      Curl_http2_add_child(dep, data, (option == CURLOPT_STREAM_DEPENDS_E));
-    }
-    break;
-#endif
-  }
-  case CURLOPT_CONNECT_TO:
-    data->set.connect_to = va_arg(param, struct curl_slist *);
-    break;
-  case CURLOPT_SUPPRESS_CONNECT_HEADERS:
-    data->set.suppress_connect_headers = (0 != va_arg(param, long))?TRUE:FALSE;
-    break;
-  case CURLOPT_SSH_COMPRESSION:
-    data->set.ssh_compression = (0 != va_arg(param, long))?TRUE:FALSE;
-    break;
-  default:
-    /* unknown tag and its companion, just ignore: */
-    result = CURLE_UNKNOWN_OPTION;
-    break;
-  }
-
-  return result;
-}
-
 #ifdef USE_RECV_BEFORE_SEND_WORKAROUND
 static void conn_reset_postponed_data(struct connectdata *conn, int num)
 {
@@ -3081,6 +714,9 @@ static void conn_free(struct connectdata *conn)
   Curl_safefree(conn->unix_domain_socket);
 #endif
 
+#ifdef USE_SSL
+  Curl_safefree(conn->ssl_extra);
+#endif
   free(conn); /* free all the connection oriented data */
 }
 
@@ -3135,7 +771,7 @@ CURLcode Curl_disconnect(struct connectdata *conn, bool dead_connection)
 
     /* unlink ourselves! */
   infof(data, "Closing connection %ld\n", conn->connection_id);
-  Curl_conncache_remove_conn(data->state.conn_cache, conn);
+  Curl_conncache_remove_conn(conn, TRUE);
 
   free_fixed_hostname(&conn->host);
   free_fixed_hostname(&conn->conn_to_host);
@@ -3289,58 +925,6 @@ static void signalPipeClose(struct curl_llist *pipeline, bool pipe_broke)
   }
 }
 
-/*
- * This function finds the connection in the connection
- * cache that has been unused for the longest time.
- *
- * Returns the pointer to the oldest idle connection, or NULL if none was
- * found.
- */
-struct connectdata *
-Curl_oldest_idle_connection(struct Curl_easy *data)
-{
-  struct conncache *bc = data->state.conn_cache;
-  struct curl_hash_iterator iter;
-  struct curl_llist_element *curr;
-  struct curl_hash_element *he;
-  time_t highscore =- 1;
-  time_t score;
-  struct curltime now;
-  struct connectdata *conn_candidate = NULL;
-  struct connectbundle *bundle;
-
-  now = Curl_tvnow();
-
-  Curl_hash_start_iterate(&bc->hash, &iter);
-
-  he = Curl_hash_next_element(&iter);
-  while(he) {
-    struct connectdata *conn;
-
-    bundle = he->ptr;
-
-    curr = bundle->conn_list.head;
-    while(curr) {
-      conn = curr->ptr;
-
-      if(!conn->inuse) {
-        /* Set higher score for the age passed since the connection was used */
-        score = Curl_tvdiff(now, conn->now);
-
-        if(score > highscore) {
-          highscore = score;
-          conn_candidate = conn;
-        }
-      }
-      curr = curr->next;
-    }
-
-    he = Curl_hash_next_element(&iter);
-  }
-
-  return conn_candidate;
-}
-
 static bool
 proxy_info_matches(const struct proxy_info* data,
                    const struct proxy_info* needle)
@@ -3353,56 +937,17 @@ proxy_info_matches(const struct proxy_info* data,
   return FALSE;
 }
 
-
 /*
- * This function finds the connection in the connection
- * bundle that has been unused for the longest time.
+ * This function checks if the given connection is dead and extracts it from
+ * the connection cache if so.
  *
- * Returns the pointer to the oldest idle connection, or NULL if none was
- * found.
- */
-static struct connectdata *
-find_oldest_idle_connection_in_bundle(struct Curl_easy *data,
-                                      struct connectbundle *bundle)
-{
-  struct curl_llist_element *curr;
-  time_t highscore = -1;
-  time_t score;
-  struct curltime now;
-  struct connectdata *conn_candidate = NULL;
-  struct connectdata *conn;
-
-  (void)data;
-
-  now = Curl_tvnow();
-
-  curr = bundle->conn_list.head;
-  while(curr) {
-    conn = curr->ptr;
-
-    if(!conn->inuse) {
-      /* Set higher score for the age passed since the connection was used */
-      score = Curl_tvdiff(now, conn->now);
-
-      if(score > highscore) {
-        highscore = score;
-        conn_candidate = conn;
-      }
-    }
-    curr = curr->next;
-  }
-
-  return conn_candidate;
-}
-
-/*
- * This function checks if given connection is dead and disconnects if so.
- * (That also removes it from the connection cache.)
+ * When this is called as a Curl_conncache_foreach() callback, the connection
+ * cache lock is held!
  *
- * Returns TRUE if the connection actually was dead and disconnected.
+ * Returns TRUE if the connection was dead and extracted.
  */
-static bool disconnect_if_dead(struct connectdata *conn,
-                               struct Curl_easy *data)
+static bool extract_if_dead(struct connectdata *conn,
+                            struct Curl_easy *data)
 {
   size_t pipeLen = conn->send_pipe.size + conn->recv_pipe.size;
   if(!pipeLen && !conn->inuse) {
@@ -3427,25 +972,30 @@ static bool disconnect_if_dead(struct connectdata *conn,
     if(dead) {
       conn->data = data;
       infof(data, "Connection %ld seems to be dead!\n", conn->connection_id);
-
-      /* disconnect resources */
-      Curl_disconnect(conn, /* dead_connection */TRUE);
+      Curl_conncache_remove_conn(conn, FALSE);
       return TRUE;
     }
   }
   return FALSE;
 }
 
+struct prunedead {
+  struct Curl_easy *data;
+  struct connectdata *extracted;
+};
+
 /*
- * Wrapper to use disconnect_if_dead() function in Curl_conncache_foreach()
+ * Wrapper to use extract_if_dead() function in Curl_conncache_foreach()
  *
- * Returns always 0.
  */
-static int call_disconnect_if_dead(struct connectdata *conn,
-                                      void *param)
+static int call_extract_if_dead(struct connectdata *conn, void *param)
 {
-  struct Curl_easy* data = (struct Curl_easy*)param;
-  disconnect_if_dead(conn, data);
+  struct prunedead *p = (struct prunedead *)param;
+  if(extract_if_dead(conn, p->data)) {
+    /* stop the iteration here, pass back the connection that was extracted */
+    p->extracted = conn;
+    return 1;
+  }
   return 0; /* continue iteration */
 }
 
@@ -3456,12 +1006,18 @@ static int call_disconnect_if_dead(struct connectdata *conn,
  */
 static void prune_dead_connections(struct Curl_easy *data)
 {
-  struct curltime now = Curl_tvnow();
-  time_t elapsed = Curl_tvdiff(now, data->state.conn_cache->last_cleanup);
+  struct curltime now = Curl_now();
+  time_t elapsed = Curl_timediff(now, data->state.conn_cache->last_cleanup);
 
   if(elapsed >= 1000L) {
-    Curl_conncache_foreach(data->state.conn_cache, data,
-                           call_disconnect_if_dead);
+    struct prunedead prune;
+    prune.data = data;
+    prune.extracted = NULL;
+    while(Curl_conncache_foreach(data, data->state.conn_cache, &prune,
+                                 call_extract_if_dead)) {
+      /* disconnect it */
+      (void)Curl_disconnect(prune.extracted, /* dead_connection */TRUE);
+    }
     data->state.conn_cache->last_cleanup = now;
   }
 }
@@ -3516,8 +1072,8 @@ ConnectionExists(struct Curl_easy *data,
      Curl_pipeline_site_blacklisted(data, needle))
     canpipe &= ~ CURLPIPE_HTTP1;
 
-  /* Look up the bundle with all the connections to this
-     particular host */
+  /* Look up the bundle with all the connections to this particular host.
+     Locks the connection cache, beware of early returns! */
   bundle = Curl_conncache_find_bundle(needle, data->state.conn_cache);
   if(bundle) {
     /* Max pipe length is zero (unlimited) for multiplexed connections */
@@ -3540,6 +1096,7 @@ ConnectionExists(struct Curl_easy *data,
         if((bundle->multiuse == BUNDLE_UNKNOWN) && data->set.pipewait) {
           infof(data, "Server doesn't support multi-use yet, wait\n");
           *waitpipe = TRUE;
+          Curl_conncache_unlock(needle);
           return FALSE; /* no re-use */
         }
 
@@ -3571,8 +1128,11 @@ ConnectionExists(struct Curl_easy *data,
       check = curr->ptr;
       curr = curr->next;
 
-      if(disconnect_if_dead(check, data))
+      if(extract_if_dead(check, data)) {
+        /* disconnect it */
+        (void)Curl_disconnect(check, /* dead_connection */TRUE);
         continue;
+      }
 
       pipeLen = check->send_pipe.size + check->recv_pipe.size;
 
@@ -3703,6 +1263,11 @@ ConnectionExists(struct Curl_easy *data,
            already in use so we skip it */
         continue;
 
+      if((check->inuse) && (check->data->multi != needle->data->multi))
+        /* this could be subject for pipeline/multiplex use, but only
+           if they belong to the same multi handle */
+        continue;
+
       if(needle->localdev || needle->localport) {
         /* If we are bound to a specific local end (IP+port), we must not
            re-use a random other one, although if we didn't ask for a
@@ -3889,9 +1454,13 @@ ConnectionExists(struct Curl_easy *data,
   }
 
   if(chosen) {
+    /* mark it as used before releasing the lock */
+    chosen->inuse = TRUE;
+    Curl_conncache_unlock(needle);
     *usethis = chosen;
     return TRUE; /* yes, we found one to use! */
   }
+  Curl_conncache_unlock(needle);
 
   if(foundPendingCandidate && data->set.pipewait) {
     infof(data,
@@ -4104,7 +1673,7 @@ static bool is_ASCII_name(const char *hostname)
 /*
  * Perform any necessary IDN conversion of hostname
  */
-static void fix_hostname(struct connectdata *conn, struct hostname *host)
+static CURLcode fix_hostname(struct connectdata *conn, struct hostname *host)
 {
   size_t len;
   struct Curl_easy *data = conn->data;
@@ -4144,9 +1713,11 @@ static void fix_hostname(struct connectdata *conn, struct hostname *host)
         /* change the name pointer to point to the encoded hostname */
         host->name = host->encalloc;
       }
-      else
-        infof(data, "Failed to convert %s to ACE; %s\n", host->name,
+      else {
+        failf(data, "Failed to convert %s to ACE; %s\n", host->name,
               idn2_strerror(rc));
+        return CURLE_URL_MALFORMAT;
+      }
     }
 #elif defined(USE_WIN32_IDN)
     char *ace_hostname = NULL;
@@ -4156,12 +1727,24 @@ static void fix_hostname(struct connectdata *conn, struct hostname *host)
       /* change the name pointer to point to the encoded hostname */
       host->name = host->encalloc;
     }
-    else
-      infof(data, "Failed to convert %s to ACE;\n", host->name);
+    else {
+      failf(data, "Failed to convert %s to ACE;\n", host->name);
+      return CURLE_URL_MALFORMAT;
+    }
 #else
     infof(data, "IDN support not present, can't parse Unicode domains\n");
 #endif
   }
+  {
+    char *hostp;
+    for(hostp = host->name; *hostp; hostp++) {
+      if(*hostp <= 32) {
+        failf(data, "Host name '%s' contains bad letter", host->name);
+        return CURLE_URL_MALFORMAT;
+      }
+    }
+  }
+  return CURLE_OK;
 }
 
 /*
@@ -4196,15 +1779,30 @@ static void llist_dtor(void *user, void *element)
  */
 static struct connectdata *allocate_conn(struct Curl_easy *data)
 {
-#ifdef USE_SSL
-#define SSL_EXTRA + 4 * Curl_ssl->sizeof_ssl_backend_data - sizeof(long long)
-#else
-#define SSL_EXTRA 0
-#endif
-  struct connectdata *conn = calloc(1, sizeof(struct connectdata) + SSL_EXTRA);
+  struct connectdata *conn = calloc(1, sizeof(struct connectdata));
   if(!conn)
     return NULL;
 
+#ifdef USE_SSL
+  /* The SSL backend-specific data (ssl_backend_data) objects are allocated as
+     a separate array to ensure suitable alignment.
+     Note that these backend pointers can be swapped by vtls (eg ssl backend
+     data becomes proxy backend data). */
+  {
+    size_t sslsize = Curl_ssl->sizeof_ssl_backend_data;
+    char *ssl = calloc(4, sslsize);
+    if(!ssl) {
+      free(conn);
+      return NULL;
+    }
+    conn->ssl_extra = ssl;
+    conn->ssl[0].backend = (void *)ssl;
+    conn->ssl[1].backend = (void *)(ssl + sslsize);
+    conn->proxy_ssl[0].backend = (void *)(ssl + 2 * sslsize);
+    conn->proxy_ssl[1].backend = (void *)(ssl + 3 * sslsize);
+  }
+#endif
+
   conn->handler = &Curl_handler_dummy;  /* Be sure we have a handler defined
                                            already from start to avoid NULL
                                            situations and checks */
@@ -4229,7 +1827,7 @@ static struct connectdata *allocate_conn(struct Curl_easy *data)
   connclose(conn, "Default to force-close");
 
   /* Store creation time to help future close decision making */
-  conn->created = Curl_tvnow();
+  conn->created = Curl_now();
 
   conn->data = data; /* Setup the association between this connection
                         and the Curl_easy */
@@ -4284,23 +1882,6 @@ static struct connectdata *allocate_conn(struct Curl_easy *data)
 
   conn->ip_version = data->set.ipver;
 
-#ifdef USE_SSL
-  /*
-   * To save on malloc()s, the SSL backend-specific data has been allocated
-   * at the end of the connectdata struct.
-   */
-  {
-    char *p = (char *)&conn->align_data__do_not_use;
-    conn->ssl[0].backend = (struct ssl_backend_data *)p;
-    conn->ssl[1].backend =
-      (struct ssl_backend_data *)(p + Curl_ssl->sizeof_ssl_backend_data);
-    conn->proxy_ssl[0].backend =
-      (struct ssl_backend_data *)(p + Curl_ssl->sizeof_ssl_backend_data * 2);
-    conn->proxy_ssl[1].backend =
-      (struct ssl_backend_data *)(p + Curl_ssl->sizeof_ssl_backend_data * 3);
-  }
-#endif
-
 #if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
     defined(NTLM_WB_ENABLED)
   conn->ntlm_auth_hlpr_socket = CURL_SOCKET_BAD;
@@ -4347,6 +1928,9 @@ static struct connectdata *allocate_conn(struct Curl_easy *data)
 
   free(conn->master_buffer);
   free(conn->localdev);
+#ifdef USE_SSL
+  free(conn->ssl_extra);
+#endif
   free(conn);
   return NULL;
 }
@@ -4442,6 +2026,14 @@ static CURLcode parseurlandfillconn(struct Curl_easy *data,
     ('A' <= str[0] && str[0] <= 'Z')) && \
    (str[1] == ':'))
 
+  /* MSDOS/Windows style drive prefix, optionally with
+   * a '|' instead of ':', followed by a slash or NUL */
+#define STARTS_WITH_URL_DRIVE_PREFIX(str) \
+  ((('a' <= (str)[0] && (str)[0] <= 'z') || \
+    ('A' <= (str)[0] && (str)[0] <= 'Z')) && \
+   ((str)[1] == ':' || (str)[1] == '|') && \
+   ((str)[2] == '/' || (str)[2] == '\\' || (str)[2] == 0))
+
   /* Don't mistake a drive letter for a scheme if the default protocol is file.
      curld --proto-default file c:/foo/bar.txt */
   if(STARTS_WITH_DRIVE_PREFIX(data->change.url) &&
@@ -4474,63 +2066,90 @@ static CURLcode parseurlandfillconn(struct Curl_easy *data,
       return CURLE_URL_MALFORMAT;
     }
 
-    if(url_has_scheme && path[0] == '/' && path[1] == '/') {
-      /* Allow omitted hostname (e.g. file:/<path>).  This is not strictly
-       * speaking a valid file: URL by RFC 1738, but treating file:/<path> as
-       * file://localhost/<path> is similar to how other schemes treat missing
-       * hostnames.  See RFC 1808. */
-
-      /* This cannot be done with strcpy() in a portable manner, since the
-         memory areas overlap! */
-      memmove(path, path + 2, strlen(path + 2) + 1);
+    if(url_has_scheme && path[0] == '/' && path[1] == '/' &&
+       path[2] == '/' && path[3] == '/') {
+      /* This appears to be a UNC string (usually indicating a SMB share).
+       * We don't do SMB in file: URLs. (TODO?)
+       */
+      failf(data, "SMB shares are not supported in file: URLs.");
+      return CURLE_URL_MALFORMAT;
     }
 
-    /*
-     * we deal with file://<host>/<path> differently since it supports no
-     * hostname other than "localhost" and "127.0.0.1", which is unique among
-     * the URL protocols specified in RFC 1738
+    /* Extra handling URLs with an authority component (i.e. that start with
+     * "file://")
+     *
+     * We allow omitted hostname (e.g. file:/<path>) -- valid according to
+     * RFC 8089, but not the (current) WHAT-WG URL spec.
      */
-    if(path[0] != '/' && !STARTS_WITH_DRIVE_PREFIX(path)) {
-      /* the URL includes a host name, it must match "localhost" or
-         "127.0.0.1" to be valid */
-      char *ptr;
-      if(!checkprefix("localhost/", path) &&
-         !checkprefix("127.0.0.1/", path)) {
-        failf(data, "Invalid file://hostname/, "
-                    "expected localhost or 127.0.0.1 or none");
-        return CURLE_URL_MALFORMAT;
-      }
-      ptr = &path[9]; /* now points to the slash after the host */
-
-      /* there was a host name and slash present
-
-         RFC1738 (section 3.1, page 5) says:
-
-         The rest of the locator consists of data specific to the scheme,
-         and is known as the "url-path". It supplies the details of how the
-         specified resource can be accessed. Note that the "/" between the
-         host (or port) and the url-path is NOT part of the url-path.
+    if(url_has_scheme && path[0] == '/' && path[1] == '/') {
+      /* swallow the two slashes */
+      char *ptr = &path[2];
 
-         As most agents use file://localhost/foo to get '/foo' although the
-         slash preceding foo is a separator and not a slash for the path,
-         a URL as file://localhost//foo must be valid as well, to refer to
-         the same file with an absolute path.
-      */
+      /*
+       * According to RFC 8089, a file: URL can be reliably dereferenced if:
+       *
+       *  o it has no/blank hostname, or
+       *
+       *  o the hostname matches "localhost" (case-insensitively), or
+       *
+       *  o the hostname is a FQDN that resolves to this machine.
+       *
+       * For brevity, we only consider URLs with empty, "localhost", or
+       * "127.0.0.1" hostnames as local.
+       *
+       * Additionally, there is an exception for URLs with a Windows drive
+       * letter in the authority (which was accidentally omitted from RFC 8089
+       * Appendix E, but believe me, it was meant to be there. --MK)
+       */
+      if(ptr[0] != '/' && !STARTS_WITH_URL_DRIVE_PREFIX(ptr)) {
+        /* the URL includes a host name, it must match "localhost" or
+           "127.0.0.1" to be valid */
+        if(!checkprefix("localhost/", ptr) &&
+           !checkprefix("127.0.0.1/", ptr)) {
+          failf(data, "Invalid file://hostname/, "
+                      "expected localhost or 127.0.0.1 or none");
+          return CURLE_URL_MALFORMAT;
+        }
+        ptr += 9; /* now points to the slash after the host */
+      }
 
-      if('/' == ptr[1])
-        /* if there was two slashes, we skip the first one as that is then
-           used truly as a separator */
+      /*
+       * RFC 8089, Appendix D, Section D.1, says:
+       *
+       * > In a POSIX file system, the root of the file system is represented
+       * > as a directory with a zero-length name, usually written as "/"; the
+       * > presence of this root in a file URI can be taken as given by the
+       * > initial slash in the "path-absolute" rule.
+       *
+       * i.e. the first slash is part of the path.
+       *
+       * However in RFC 1738 the "/" between the host (or port) and the
+       * URL-path was NOT part of the URL-path.  Any agent that followed the
+       * older spec strictly, and wanted to refer to a file with an absolute
+       * path, would have included a second slash.  So if there are two
+       * slashes, swallow one.
+       */
+      if('/' == ptr[1]) /* note: the only way ptr[0]!='/' is if ptr[1]==':' */
         ptr++;
 
-      /* This cannot be made with strcpy, as the memory chunks overlap! */
+      /* This cannot be done with strcpy, as the memory chunks overlap! */
       memmove(path, ptr, strlen(ptr) + 1);
     }
 
 #if !defined(MSDOS) && !defined(WIN32) && !defined(__CYGWIN__)
-    if(STARTS_WITH_DRIVE_PREFIX(path)) {
+    /* Don't allow Windows drive letters when not in Windows.
+     * This catches both "file:/c:" and "file:c:" */
+    if(('/' == path[0] && STARTS_WITH_URL_DRIVE_PREFIX(&path[1])) ||
+       STARTS_WITH_URL_DRIVE_PREFIX(path)) {
       failf(data, "File drive letters are only accepted in MSDOS/Windows.");
       return CURLE_URL_MALFORMAT;
     }
+#else
+    /* If the path starts with a slash and a drive letter, ditch the slash */
+    if('/' == path[0] && STARTS_WITH_URL_DRIVE_PREFIX(&path[1])) {
+      /* This cannot be done with strcpy, as the memory chunks overlap! */
+      memmove(path, &path[1], strlen(&path[1]) + 1);
+    }
 #endif
 
     protop = "file"; /* protocol string */
@@ -5142,8 +2761,8 @@ static CURLcode parse_proxy(struct Curl_easy *data,
   atsign = strchr(proxyptr, '@');
   if(atsign) {
     CURLcode result =
-      parse_login_details(proxyptr, atsign - proxyptr,
-                              &proxyuser, &proxypasswd, NULL);
+      Curl_parse_login_details(proxyptr, atsign - proxyptr,
+                               &proxyuser, &proxypasswd, NULL);
     if(result)
       return result;
     proxyptr = atsign + 1;
@@ -5534,10 +3153,11 @@ static CURLcode parse_url_login(struct Curl_easy *data,
 
   /* We could use the login information in the URL so extract it. Only parse
      options if the handler says we should. */
-  result = parse_login_details(login, ptr - login - 1,
-                               &userp, &passwdp,
-                               (conn->handler->flags & PROTOPT_URLOPTIONS)?
-                               &optionsp:NULL);
+  result =
+    Curl_parse_login_details(login, ptr - login - 1,
+                             &userp, &passwdp,
+                             (conn->handler->flags & PROTOPT_URLOPTIONS)?
+                             &optionsp:NULL);
   if(result)
     goto out;
 
@@ -5593,7 +3213,7 @@ static CURLcode parse_url_login(struct Curl_easy *data,
 }
 
 /*
- * parse_login_details()
+ * Curl_parse_login_details()
  *
  * This is used to parse a login string for user name, password and options in
  * the following formats:
@@ -5621,9 +3241,9 @@ static CURLcode parse_url_login(struct Curl_easy *data,
  *
  * Returns CURLE_OK on success.
  */
-static CURLcode parse_login_details(const char *login, const size_t len,
-                                    char **userp, char **passwdp,
-                                    char **optionsp)
+CURLcode Curl_parse_login_details(const char *login, const size_t len,
+                                  char **userp, char **passwdp,
+                                  char **optionsp)
 {
   CURLcode result = CURLE_OK;
   char *ubuf = NULL;
@@ -5752,7 +3372,13 @@ static CURLcode parse_remote_port(struct Curl_easy *data,
     portptr = strchr(conn->host.name, ']');
     if(portptr) {
       *portptr++ = '\0'; /* zero terminate, killing the bracket */
-      if(':' != *portptr)
+      if(*portptr) {
+        if (*portptr != ':') {
+          failf(data, "IPv6 closing bracket followed by '%c'", *portptr);
+          return CURLE_URL_MALFORMAT;
+        }
+      }
+      else
         portptr = NULL; /* no port number available */
     }
   }
@@ -5986,6 +3612,7 @@ static CURLcode parse_connect_to_host_port(struct Curl_easy *data,
 
   /* detect and extract RFC6874-style IPv6-addresses */
   if(*hostptr == '[') {
+#ifdef ENABLE_IPV6
     char *ptr = ++hostptr; /* advance beyond the initial bracket */
     while(*ptr && (ISXDIGIT(*ptr) || (*ptr == ':') || (*ptr == '.')))
       ptr++;
@@ -6009,6 +3636,11 @@ static CURLcode parse_connect_to_host_port(struct Curl_easy *data,
      * hostptr first, but I can't see anything wrong with that as no host
      * name nor a numeric can legally start with a bracket.
      */
+#else
+    failf(data, "Use of IPv6 in *_CONNECT_TO without IPv6 support built-in!");
+    free(host_dup);
+    return CURLE_NOT_BUILT_IN;
+#endif
   }
 
   /* Get port number off server.com:1080 */
@@ -6171,7 +3803,7 @@ static CURLcode resolve_server(struct Curl_easy *data,
                                bool *async)
 {
   CURLcode result = CURLE_OK;
-  time_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
+  timediff_t timeout_ms = Curl_timeleft(data, NULL, TRUE);
 
   /*************************************************************
    * Resolve the name of the server or proxy
@@ -6588,13 +4220,24 @@ static CURLcode create_conn(struct Curl_easy *data,
   /*************************************************************
    * IDN-fix the hostnames
    *************************************************************/
-  fix_hostname(conn, &conn->host);
-  if(conn->bits.conn_to_host)
-    fix_hostname(conn, &conn->conn_to_host);
-  if(conn->bits.httpproxy)
-    fix_hostname(conn, &conn->http_proxy.host);
-  if(conn->bits.socksproxy)
-    fix_hostname(conn, &conn->socks_proxy.host);
+  result = fix_hostname(conn, &conn->host);
+  if(result)
+    goto out;
+  if(conn->bits.conn_to_host) {
+    result = fix_hostname(conn, &conn->conn_to_host);
+    if(result)
+      goto out;
+  }
+  if(conn->bits.httpproxy) {
+    result = fix_hostname(conn, &conn->http_proxy.host);
+    if(result)
+      goto out;
+  }
+  if(conn->bits.socksproxy) {
+    result = fix_hostname(conn, &conn->socks_proxy.host);
+    if(result)
+      goto out;
+  }
 
   /*************************************************************
    * Check whether the host and the "connect to host" are equal.
@@ -6751,20 +4394,21 @@ static CURLcode create_conn(struct Curl_easy *data,
   else
     reuse = ConnectionExists(data, conn, &conn_temp, &force_reuse, &waitpipe);
 
-  /* If we found a reusable connection, we may still want to
-     open a new connection if we are pipelining. */
+  /* If we found a reusable connection that is now marked as in use, we may
+     still want to open a new connection if we are pipelining. */
   if(reuse && !force_reuse && IsPipeliningPossible(data, conn_temp)) {
     size_t pipelen = conn_temp->send_pipe.size + conn_temp->recv_pipe.size;
     if(pipelen > 0) {
       infof(data, "Found connection %ld, with requests in the pipe (%zu)\n",
             conn_temp->connection_id, pipelen);
 
-      if(conn_temp->bundle->num_connections < max_host_connections &&
-         data->state.conn_cache->num_connections < max_total_connections) {
+      if(Curl_conncache_bundle_size(conn_temp) < max_host_connections &&
+         Curl_conncache_size(data) < max_total_connections) {
         /* We want a new connection anyway */
         reuse = FALSE;
 
         infof(data, "We can reuse, but we want a new connection anyway\n");
+        Curl_conncache_return_conn(conn_temp);
       }
     }
   }
@@ -6776,9 +4420,10 @@ static CURLcode create_conn(struct Curl_easy *data,
      * just allocated before we can move along and use the previously
      * existing one.
      */
-    conn_temp->inuse = TRUE; /* mark this as being in use so that no other
-                                handle in a multi stack may nick it */
     reuse_conn(conn, conn_temp);
+#ifdef USE_SSL
+    free(conn->ssl_extra);
+#endif
     free(conn);          /* we don't need this anymore */
     conn = conn_temp;
     *in_connect = conn;
@@ -6794,7 +4439,6 @@ static CURLcode create_conn(struct Curl_easy *data,
     /* We have decided that we want a new connection. However, we may not
        be able to do that if we have reached the limit of how many
        connections we are allowed to open. */
-    struct connectbundle *bundle = NULL;
 
     if(conn->handler->flags & PROTOPT_ALPN_NPN) {
       /* The protocol wants it, so set the bits if enabled in the easy handle
@@ -6809,35 +4453,42 @@ static CURLcode create_conn(struct Curl_easy *data,
       /* There is a connection that *might* become usable for pipelining
          "soon", and we wait for that */
       connections_available = FALSE;
-    else
-      bundle = Curl_conncache_find_bundle(conn, data->state.conn_cache);
-
-    if(max_host_connections > 0 && bundle &&
-       (bundle->num_connections >= max_host_connections)) {
-      struct connectdata *conn_candidate;
-
-      /* The bundle is full. Let's see if we can kill a connection. */
-      conn_candidate = find_oldest_idle_connection_in_bundle(data, bundle);
-
-      if(conn_candidate) {
-        /* Set the connection's owner correctly, then kill it */
-        conn_candidate->data = data;
-        (void)Curl_disconnect(conn_candidate, /* dead_connection */ FALSE);
-      }
-      else {
-        infof(data, "No more connections allowed to host: %d\n",
-              max_host_connections);
-        connections_available = FALSE;
+    else {
+      /* this gets a lock on the conncache */
+      struct connectbundle *bundle =
+        Curl_conncache_find_bundle(conn, data->state.conn_cache);
+
+      if(max_host_connections > 0 && bundle &&
+         (bundle->num_connections >= max_host_connections)) {
+        struct connectdata *conn_candidate;
+
+        /* The bundle is full. Extract the oldest connection. */
+        conn_candidate = Curl_conncache_extract_bundle(data, bundle);
+        Curl_conncache_unlock(conn);
+
+        if(conn_candidate) {
+          /* Set the connection's owner correctly, then kill it */
+          conn_candidate->data = data;
+          (void)Curl_disconnect(conn_candidate, /* dead_connection */ FALSE);
+        }
+        else {
+          infof(data, "No more connections allowed to host: %d\n",
+                max_host_connections);
+          connections_available = FALSE;
+        }
       }
+      else
+        Curl_conncache_unlock(conn);
+
     }
 
     if(connections_available &&
        (max_total_connections > 0) &&
-       (data->state.conn_cache->num_connections >= max_total_connections)) {
+       (Curl_conncache_size(data) >= max_total_connections)) {
       struct connectdata *conn_candidate;
 
       /* The cache is full. Let's see if we can kill a connection. */
-      conn_candidate = Curl_oldest_idle_connection(data);
+      conn_candidate = Curl_conncache_extract_oldest(data);
 
       if(conn_candidate) {
         /* Set the connection's owner correctly, then kill it */
@@ -6860,6 +4511,9 @@ static CURLcode create_conn(struct Curl_easy *data,
       goto out;
     }
     else {
+      /* Mark the connection as used, before we add it */
+      conn->inuse = TRUE;
+
       /*
        * This is a brand new connection, so let's store it in the connection
        * cache of ours!
@@ -6887,9 +4541,6 @@ static CURLcode create_conn(struct Curl_easy *data,
 #endif
   }
 
-  /* Mark the connection as used */
-  conn->inuse = TRUE;
-
   /* Setup and init stuff before DO starts, in preparing for the transfer. */
   Curl_init_do(data, conn);
 
@@ -6972,7 +4623,7 @@ CURLcode Curl_setup_conn(struct connectdata *conn,
 
   /* set start time here for timeout purposes in the connect procedure, it
      is later set again for the progress meter purpose */
-  conn->now = Curl_tvnow();
+  conn->now = Curl_now();
 
   if(CURL_SOCKET_BAD == conn->sock[FIRSTSOCKET]) {
     conn->bits.tcpconnect[FIRSTSOCKET] = FALSE;
@@ -6989,22 +4640,8 @@ CURLcode Curl_setup_conn(struct connectdata *conn,
     Curl_verboseconnect(conn);
   }
 
-  conn->now = Curl_tvnow(); /* time this *after* the connect is done, we
-                               set this here perhaps a second time */
-
-#ifdef __EMX__
-  /*
-   * This check is quite a hack. We're calling _fsetmode to fix the problem
-   * with fwrite converting newline characters (you get mangled text files,
-   * and corrupted binary files when you download to stdout and redirect it to
-   * a file).
-   */
-
-  if((data->set.out)->_handle == NULL) {
-    _fsetmode(stdout, "b");
-  }
-#endif
-
+  conn->now = Curl_now(); /* time this *after* the connect is done, we set
+                             this here perhaps a second time */
   return result;
 }
 
@@ -7062,13 +4699,17 @@ CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn)
 {
   struct SingleRequest *k = &data->req;
 
-  if(conn)
-    conn->bits.do_more = FALSE; /* by default there's no curl_do_more() to
-                                 * use */
+  conn->bits.do_more = FALSE; /* by default there's no curl_do_more() to
+                                 use */
 
   data->state.done = FALSE; /* *_done() is not called yet */
   data->state.expect100header = FALSE;
 
+  /* if the protocol used doesn't support wildcards, switch it off */
+  if(data->state.wildcardmatch &&
+     !(conn->handler->flags & PROTOPT_WILDCARD))
+    data->state.wildcardmatch = FALSE;
+
   if(data->set.opt_no_body)
     /* in HTTP lingo, no body means using the HEAD request... */
     data->set.httpreq = HTTPREQ_HEAD;
@@ -7080,7 +4721,7 @@ CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn)
        HTTP. */
     data->set.httpreq = HTTPREQ_GET;
 
-  k->start = Curl_tvnow(); /* start time */
+  k->start = Curl_now(); /* start time */
   k->now = k->start;   /* current time is now */
   k->header = TRUE; /* assume header */
 
diff --git a/Utilities/cmcurl/lib/url.h b/Utilities/cmcurl/lib/url.h
index f13c8e6640..a70bd5466a 100644
--- a/Utilities/cmcurl/lib/url.h
+++ b/Utilities/cmcurl/lib/url.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -23,15 +23,17 @@
  ***************************************************************************/
 #include "curl_setup.h"
 
+#define READBUFFER_SIZE CURL_MAX_WRITE_SIZE
+#define READBUFFER_MAX  CURL_MAX_READ_SIZE
+#define READBUFFER_MIN  1024
+
 /*
  * Prototypes for library-wide functions provided by url.c
  */
 
 CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn);
 CURLcode Curl_open(struct Curl_easy **curl);
-CURLcode Curl_init_userdefined(struct UserDefined *set);
-CURLcode Curl_setopt(struct Curl_easy *data, CURLoption option,
-                     va_list arg);
+CURLcode Curl_init_userdefined(struct Curl_easy *data);
 CURLcode Curl_dupset(struct Curl_easy * dst, struct Curl_easy * src);
 void Curl_freeset(struct Curl_easy * data);
 CURLcode Curl_close(struct Curl_easy *data); /* opposite of curl_open() */
@@ -51,14 +53,14 @@ int Curl_protocol_getsock(struct connectdata *conn,
 int Curl_doing_getsock(struct connectdata *conn,
                        curl_socket_t *socks,
                        int numsocks);
-
+CURLcode Curl_parse_login_details(const char *login, const size_t len,
+                                  char **userptr, char **passwdptr,
+                                  char **optionsptr);
 bool Curl_isPipeliningEnabled(const struct Curl_easy *handle);
 CURLcode Curl_addHandleToPipeline(struct Curl_easy *handle,
                                   struct curl_llist *pipeline);
 int Curl_removeHandleFromPipeline(struct Curl_easy *handle,
                                   struct curl_llist *pipeline);
-struct connectdata *
-Curl_oldest_idle_connection(struct Curl_easy *data);
 /* remove the specified connection from all (possible) pipelines and related
    queues */
 void Curl_getoff_all_pipelines(struct Curl_easy *data,
diff --git a/Utilities/cmcurl/lib/urldata.h b/Utilities/cmcurl/lib/urldata.h
index 66e4596fdc..5c04ad1720 100644
--- a/Utilities/cmcurl/lib/urldata.h
+++ b/Utilities/cmcurl/lib/urldata.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -85,17 +85,12 @@
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif
 
 #include "timeval.h"
 
-#ifdef HAVE_ZLIB_H
-#include <zlib.h>               /* for content-encoding */
-#ifdef __SYMBIAN32__
-/* zlib pollutes the namespace with this definition */
-#undef WIN32
-#endif
-#endif
-
 #include <curl/curl.h>
 
 #include "http_chunks.h" /* for the structs and enum stuff */
@@ -286,6 +281,7 @@ struct digestdata {
   char *qop;
   char *algorithm;
   int nc; /* nounce count */
+  bool userhash;
 #endif
 };
 
@@ -463,16 +459,6 @@ struct hostname {
 #define KEEP_SENDBITS (KEEP_SEND | KEEP_SEND_HOLD | KEEP_SEND_PAUSE)
 
 
-#ifdef HAVE_LIBZ
-typedef enum {
-  ZLIB_UNINIT,          /* uninitialized */
-  ZLIB_INIT,            /* initialized */
-  ZLIB_GZIP_HEADER,     /* reading gzip header */
-  ZLIB_GZIP_INFLATING,  /* inflating gzip stream */
-  ZLIB_INIT_GZIP        /* initialized in transparent gzip mode */
-} zlibInitState;
-#endif
-
 #ifdef CURLRES_ASYNCH
 struct Curl_async {
   char *hostname;
@@ -560,18 +546,8 @@ struct SingleRequest {
   enum expect100 exp100;        /* expect 100 continue state */
   enum upgrade101 upgr101;      /* 101 upgrade state */
 
-  int auto_decoding;            /* What content encoding. sec 3.5, RFC2616. */
-
-#define IDENTITY 0              /* No encoding */
-#define DEFLATE 1               /* zlib deflate [RFC 1950 & 1951] */
-#define GZIP 2                  /* gzip algorithm [RFC 1952] */
-
-#ifdef HAVE_LIBZ
-  zlibInitState zlib_init;      /* possible zlib init state;
-                                   undefined if Content-Encoding header. */
-  z_stream z;                   /* State structure for zlib. */
-#endif
-
+  struct contenc_writer_s *writer_stack;  /* Content unencoding stack. */
+                                          /* See sec 3.5, RFC2616. */
   time_t timeofdoc;
   long bodywrites;
 
@@ -719,6 +695,7 @@ struct Curl_handler {
 #define PROTOPT_PROXY_AS_HTTP (1<<11) /* allow this non-HTTP scheme over a
                                          HTTP proxy as HTTP proxies may know
                                          this protocol and act as a gateway */
+#define PROTOPT_WILDCARD (1<<12) /* protocol supports wildcard matching */
 
 #define CONNCHECK_NONE 0                 /* No checks */
 #define CONNCHECK_ISDEAD (1<<0)          /* Check if the connection is dead. */
@@ -778,6 +755,7 @@ struct http_connect_state {
     TUNNEL_CONNECT, /* CONNECT has been sent off */
     TUNNEL_COMPLETE /* CONNECT response received completely */
   } tunnel_state;
+  bool close_connection;
 };
 
 /*
@@ -801,9 +779,10 @@ struct connectdata {
   void *closesocket_client;
 
   bool inuse; /* This is a marker for the connection cache logic. If this is
-                 TRUE this handle is being used by an easy handle and cannot
-                 be used by any other easy handle without careful
-                 consideration (== only for pipelining). */
+                 TRUE this handle is being used by one or more easy handles
+                 and can only used by any other easy handle without careful
+                 consideration (== only for pipelining/multiplexing) and it
+                 cannot be used by another multi handle! */
 
   /**** Fields set when inited and not modified again */
   long connection_id; /* Contains a unique number to make it easier to
@@ -886,6 +865,9 @@ struct connectdata {
 #endif /* USE_RECV_BEFORE_SEND_WORKAROUND */
   struct ssl_connect_data ssl[2]; /* this is for ssl-stuff */
   struct ssl_connect_data proxy_ssl[2]; /* this is for proxy ssl-stuff */
+#ifdef USE_SSL
+  void *ssl_extra; /* separately allocated backend-specific data */
+#endif
   struct ssl_primary_config ssl_config;
   struct ssl_primary_config proxy_ssl_config;
   bool tls_upgraded;
@@ -1030,16 +1012,6 @@ struct connectdata {
   char *unix_domain_socket;
   bool abstract_unix_socket;
 #endif
-
-#ifdef USE_SSL
-  /*
-   * To avoid multiple malloc() calls, the ssl_connect_data structures
-   * associated with a connectdata struct are allocated in the same block
-   * as the latter. This field forces alignment to an 8-byte boundary so
-   * that this all works.
-   */
-  long long *align_data__do_not_use;
-#endif
 };
 
 /* The end of connectdata. */
@@ -1308,7 +1280,7 @@ struct UrlState {
 
   /* set after initial USER failure, to prevent an authentication loop */
   bool ftp_trying_alternative;
-
+  bool wildcardmatch; /* enable wildcard matching */
   int httpversion;       /* the lowest HTTP version*10 reported by any server
                             involved in this request */
   bool expect100header;  /* TRUE if we added Expect: 100-continue */
@@ -1358,6 +1330,9 @@ struct UrlState {
   struct Curl_easy *stream_depends_on;
   bool stream_depends_e; /* set or don't set the Exclusive bit */
   int stream_weight;
+#ifdef CURLDEBUG
+  bool conncache_lock;
+#endif
 };
 
 
@@ -1443,7 +1418,7 @@ enum dupstring {
   STRING_RTSP_SESSION_ID, /* Session ID to use */
   STRING_RTSP_STREAM_URI, /* Stream URI for this request */
   STRING_RTSP_TRANSPORT,  /* Transport for this session */
-#ifdef USE_LIBSSH2
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
   STRING_SSH_PRIVATE_KEY, /* path to the private key file for auth */
   STRING_SSH_PUBLIC_KEY,  /* path to the public key file for auth */
   STRING_SSH_HOST_PUBLIC_KEY_MD5, /* md5 of host public key in ascii hex */
@@ -1453,7 +1428,7 @@ enum dupstring {
   STRING_PROXY_SERVICE_NAME, /* Proxy service name */
 #endif
 #if !defined(CURL_DISABLE_CRYPTO_AUTH) || defined(USE_KERBEROS5) || \
-    defined(USE_SPNEGO)
+  defined(USE_SPNEGO) || defined(HAVE_GSSAPI)
   STRING_SERVICE_NAME,    /* Service name */
 #endif
   STRING_MAIL_FROM,
@@ -1624,7 +1599,7 @@ struct UserDefined {
   bool http_keep_sending_on_error; /* for HTTP status codes >= 300 */
   bool http_follow_location; /* follow HTTP redirects */
   bool http_transfer_encoding; /* request compressed HTTP transfer-encoding */
-  bool http_disable_hostname_check_before_authentication;
+  bool allow_auth_to_other_hosts;
   bool include_header;   /* include received protocol headers in data output */
   bool http_set_referer; /* is a custom referer used */
   bool http_auto_referer; /* set "correct" referer when following location: */
@@ -1672,7 +1647,7 @@ struct UserDefined {
   /* Common RTSP header options */
   Curl_RtspReq rtspreq; /* RTSP request type */
   long rtspversion; /* like httpversion, for RTSP */
-  bool wildcardmatch; /* enable wildcard matching */
+  bool wildcard_enabled; /* enable wildcard matching */
   curl_chunk_bgn_callback chunk_bgn; /* called before part of transfer
                                         starts */
   curl_chunk_end_callback chunk_end; /* called after part transferring
diff --git a/Utilities/cmcurl/lib/vauth/digest.c b/Utilities/cmcurl/lib/vauth/digest.c
index 185098ed68..131d9da8c4 100644
--- a/Utilities/cmcurl/lib/vauth/digest.c
+++ b/Utilities/cmcurl/lib/vauth/digest.c
@@ -19,6 +19,7 @@
  * KIND, either express or implied.
  *
  * RFC2831 DIGEST-MD5 authentication
+ * RFC7616 DIGEST-SHA256, DIGEST-SHA512-256 authentication
  *
  ***************************************************************************/
 
@@ -34,6 +35,7 @@
 #include "curl_base64.h"
 #include "curl_hmac.h"
 #include "curl_md5.h"
+#include "curl_sha256.h"
 #include "vtls/vtls.h"
 #include "warnless.h"
 #include "strtok.h"
@@ -144,6 +146,15 @@ static void auth_digest_md5_to_ascii(unsigned char *source, /* 16 bytes */
     snprintf((char *) &dest[i * 2], 3, "%02x", source[i]);
 }
 
+/* Convert sha256 chunk to RFC7616 -suitable ascii string*/
+static void auth_digest_sha256_to_ascii(unsigned char *source, /* 32 bytes */
+                                     unsigned char *dest) /* 65 bytes */
+{
+  int i;
+  for(i = 0; i < 32; i++)
+    snprintf((char *) &dest[i * 2], 3, "%02x", source[i]);
+}
+
 /* Perform quoted-string escaping as described in RFC2616 and its errata */
 static char *auth_digest_string_quoted(const char *source)
 {
@@ -602,9 +613,22 @@ CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
           digest->algo = CURLDIGESTALGO_MD5SESS;
         else if(strcasecompare(content, "MD5"))
           digest->algo = CURLDIGESTALGO_MD5;
+        else if(strcasecompare(content, "SHA-256"))
+          digest->algo = CURLDIGESTALGO_SHA256;
+        else if(strcasecompare(content, "SHA-256-SESS"))
+          digest->algo = CURLDIGESTALGO_SHA256SESS;
+        else if(strcasecompare(content, "SHA-512-256"))
+          digest->algo = CURLDIGESTALGO_SHA512_256;
+        else if(strcasecompare(content, "SHA-512-256-SESS"))
+          digest->algo = CURLDIGESTALGO_SHA512_256SESS;
         else
           return CURLE_BAD_CONTENT_ENCODING;
       }
+      else if(strcasecompare(value, "userhash")) {
+        if(strcasecompare(content, "true")) {
+          digest->userhash = TRUE;
+        }
+      }
       else {
         /* Unknown specifier, ignore it! */
       }
@@ -635,7 +659,7 @@ CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
 }
 
 /*
- * Curl_auth_create_digest_http_message()
+ * _Curl_auth_create_digest_http_message()
  *
  * This is used to generate a HTTP DIGEST response message ready for sending
  * to the recipient.
@@ -654,20 +678,24 @@ CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
  *
  * Returns CURLE_OK on success.
  */
-CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
-                                              const char *userp,
-                                              const char *passwdp,
-                                              const unsigned char *request,
-                                              const unsigned char *uripath,
-                                              struct digestdata *digest,
-                                              char **outptr, size_t *outlen)
+static CURLcode _Curl_auth_create_digest_http_message(
+                  struct Curl_easy *data,
+                  const char *userp,
+                  const char *passwdp,
+                  const unsigned char *request,
+                  const unsigned char *uripath,
+                  struct digestdata *digest,
+                  char **outptr, size_t *outlen,
+                  void (*convert_to_ascii)(unsigned char *, unsigned char *),
+                  void (*hash)(unsigned char *, const unsigned char *))
 {
   CURLcode result;
-  unsigned char md5buf[16]; /* 16 bytes/128 bits */
-  unsigned char request_digest[33];
-  unsigned char *md5this;
-  unsigned char ha1[33];    /* 32 digits and 1 zero byte */
-  unsigned char ha2[33];    /* 32 digits and 1 zero byte */
+  unsigned char hashbuf[32]; /* 32 bytes/256 bits */
+  unsigned char request_digest[65];
+  unsigned char *hashthis;
+  unsigned char ha1[65];    /* 64 digits and 1 zero byte */
+  unsigned char ha2[65];    /* 64 digits and 1 zero byte */
+  char userh[65];
   char cnoncebuf[33];
   char *cnonce = NULL;
   size_t cnonce_sz = 0;
@@ -692,6 +720,17 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
     digest->cnonce = cnonce;
   }
 
+  if(digest->userhash) {
+    hashthis = (unsigned char *) aprintf("%s:%s", userp, digest->realm);
+    if(!hashthis)
+      return CURLE_OUT_OF_MEMORY;
+
+    CURL_OUTPUT_DIGEST_CONV(data, hashthis);
+    hash(hashbuf, hashthis);
+    free(hashthis);
+    convert_to_ascii(hashbuf, (unsigned char *)userh);
+  }
+
   /*
     If the algorithm is "MD5" or unspecified (which then defaults to MD5):
 
@@ -703,26 +742,29 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
            unq(nonce-value) ":" unq(cnonce-value)
   */
 
-  md5this = (unsigned char *)
-    aprintf("%s:%s:%s", userp, digest->realm, passwdp);
-  if(!md5this)
+  hashthis = (unsigned char *)
+    aprintf("%s:%s:%s", digest->userhash ? userh : userp,
+                                    digest->realm, passwdp);
+  if(!hashthis)
     return CURLE_OUT_OF_MEMORY;
 
-  CURL_OUTPUT_DIGEST_CONV(data, md5this); /* convert on non-ASCII machines */
-  Curl_md5it(md5buf, md5this);
-  free(md5this);
-  auth_digest_md5_to_ascii(md5buf, ha1);
+  CURL_OUTPUT_DIGEST_CONV(data, hashthis); /* convert on non-ASCII machines */
+  hash(hashbuf, hashthis);
+  free(hashthis);
+  convert_to_ascii(hashbuf, ha1);
 
-  if(digest->algo == CURLDIGESTALGO_MD5SESS) {
+  if(digest->algo == CURLDIGESTALGO_MD5SESS ||
+     digest->algo == CURLDIGESTALGO_SHA256SESS ||
+     digest->algo == CURLDIGESTALGO_SHA512_256SESS) {
     /* nonce and cnonce are OUTSIDE the hash */
     tmp = aprintf("%s:%s:%s", ha1, digest->nonce, digest->cnonce);
     if(!tmp)
       return CURLE_OUT_OF_MEMORY;
 
     CURL_OUTPUT_DIGEST_CONV(data, tmp); /* Convert on non-ASCII machines */
-    Curl_md5it(md5buf, (unsigned char *) tmp);
+    hash(hashbuf, (unsigned char *) tmp);
     free(tmp);
-    auth_digest_md5_to_ascii(md5buf, ha1);
+    convert_to_ascii(hashbuf, ha1);
   }
 
   /*
@@ -738,27 +780,32 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
     5.1.1 of RFC 2616)
   */
 
-  md5this = (unsigned char *) aprintf("%s:%s", request, uripath);
+  hashthis = (unsigned char *) aprintf("%s:%s", request, uripath);
 
   if(digest->qop && strcasecompare(digest->qop, "auth-int")) {
     /* We don't support auth-int for PUT or POST at the moment.
-       TODO: replace md5 of empty string with entity-body for PUT/POST */
-    unsigned char *md5this2 = (unsigned char *)
-      aprintf("%s:%s", md5this, "d41d8cd98f00b204e9800998ecf8427e");
-    free(md5this);
-    md5this = md5this2;
+       TODO: replace hash of empty string with entity-body for PUT/POST */
+    char hashed[65];
+    unsigned char *hashthis2;
+
+    hash(hashbuf, (const unsigned char *)"");
+    convert_to_ascii(hashbuf, (unsigned char *)hashed);
+
+    hashthis2 = (unsigned char *)aprintf("%s:%s", hashthis, hashed);
+    free(hashthis);
+    hashthis = hashthis2;
   }
 
-  if(!md5this)
+  if(!hashthis)
     return CURLE_OUT_OF_MEMORY;
 
-  CURL_OUTPUT_DIGEST_CONV(data, md5this); /* convert on non-ASCII machines */
-  Curl_md5it(md5buf, md5this);
-  free(md5this);
-  auth_digest_md5_to_ascii(md5buf, ha2);
+  CURL_OUTPUT_DIGEST_CONV(data, hashthis); /* convert on non-ASCII machines */
+  hash(hashbuf, hashthis);
+  free(hashthis);
+  convert_to_ascii(hashbuf, ha2);
 
   if(digest->qop) {
-    md5this = (unsigned char *) aprintf("%s:%s:%08x:%s:%s:%s",
+    hashthis = (unsigned char *) aprintf("%s:%s:%08x:%s:%s:%s",
                                         ha1,
                                         digest->nonce,
                                         digest->nc,
@@ -767,19 +814,19 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
                                         ha2);
   }
   else {
-    md5this = (unsigned char *) aprintf("%s:%s:%s",
+    hashthis = (unsigned char *) aprintf("%s:%s:%s",
                                         ha1,
                                         digest->nonce,
                                         ha2);
   }
 
-  if(!md5this)
+  if(!hashthis)
     return CURLE_OUT_OF_MEMORY;
 
-  CURL_OUTPUT_DIGEST_CONV(data, md5this); /* convert on non-ASCII machines */
-  Curl_md5it(md5buf, md5this);
-  free(md5this);
-  auth_digest_md5_to_ascii(md5buf, request_digest);
+  CURL_OUTPUT_DIGEST_CONV(data, hashthis); /* convert on non-ASCII machines */
+  hash(hashbuf, hashthis);
+  free(hashthis);
+  convert_to_ascii(hashbuf, request_digest);
 
   /* For test case 64 (snooped from a Mozilla 1.3a request)
 
@@ -794,7 +841,7 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
      characters.  algorithm and qop with standard values only contain web-safe
      characters.
   */
-  userp_quoted = auth_digest_string_quoted(userp);
+  userp_quoted = auth_digest_string_quoted(digest->userhash ? userh : userp);
   if(!userp_quoted)
     return CURLE_OUT_OF_MEMORY;
 
@@ -858,6 +905,16 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
     response = tmp;
   }
 
+  if(digest->userhash) {
+    /* Append the userhash */
+    tmp = aprintf("%s, userhash=true", response);
+    free(response);
+    if(!tmp)
+      return CURLE_OUT_OF_MEMORY;
+
+    response = tmp;
+  }
+
   /* Return the output */
   *outptr = response;
   *outlen = strlen(response);
@@ -866,6 +923,58 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
 }
 
 /*
+ * Curl_auth_create_digest_http_message()
+ *
+ * This is used to generate a HTTP DIGEST response message ready for sending
+ * to the recipient.
+ *
+ * Parameters:
+ *
+ * data    [in]     - The session handle.
+ * userp   [in]     - The user name.
+ * passdwp [in]     - The user's password.
+ * request [in]     - The HTTP request.
+ * uripath [in]     - The path of the HTTP uri.
+ * digest  [in/out] - The digest data struct being used and modified.
+ * outptr  [in/out] - The address where a pointer to newly allocated memory
+ *                    holding the result will be stored upon completion.
+ * outlen  [out]    - The length of the output message.
+ *
+ * Returns CURLE_OK on success.
+ */
+CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const unsigned char *request,
+                                              const unsigned char *uripath,
+                                              struct digestdata *digest,
+                                              char **outptr, size_t *outlen)
+{
+  switch(digest->algo) {
+  case CURLDIGESTALGO_MD5:
+  case CURLDIGESTALGO_MD5SESS:
+    return _Curl_auth_create_digest_http_message(data, userp, passwdp,
+                                                 request, uripath, digest,
+                                                 outptr, outlen,
+                                                 auth_digest_md5_to_ascii,
+                                                 Curl_md5it);
+
+  case CURLDIGESTALGO_SHA256:
+  case CURLDIGESTALGO_SHA256SESS:
+  case CURLDIGESTALGO_SHA512_256:
+  case CURLDIGESTALGO_SHA512_256SESS:
+    return _Curl_auth_create_digest_http_message(data, userp, passwdp,
+                                                 request, uripath, digest,
+                                                 outptr, outlen,
+                                                 auth_digest_sha256_to_ascii,
+                                                 Curl_sha256it);
+
+  default:
+    return CURLE_UNSUPPORTED_PROTOCOL;
+  }
+}
+
+/*
  * Curl_auth_digest_cleanup()
  *
  * This is used to clean up the digest specific data.
@@ -887,6 +996,7 @@ void Curl_auth_digest_cleanup(struct digestdata *digest)
   digest->nc = 0;
   digest->algo = CURLDIGESTALGO_MD5; /* default algorithm */
   digest->stale = FALSE; /* default means normal, not stale */
+  digest->userhash = FALSE;
 }
 #endif  /* !USE_WINDOWS_SSPI */
 
diff --git a/Utilities/cmcurl/lib/vauth/digest.h b/Utilities/cmcurl/lib/vauth/digest.h
index 5722dceced..8686c44a42 100644
--- a/Utilities/cmcurl/lib/vauth/digest.h
+++ b/Utilities/cmcurl/lib/vauth/digest.h
@@ -31,7 +31,11 @@
 
 enum {
   CURLDIGESTALGO_MD5,
-  CURLDIGESTALGO_MD5SESS
+  CURLDIGESTALGO_MD5SESS,
+  CURLDIGESTALGO_SHA256,
+  CURLDIGESTALGO_SHA256SESS,
+  CURLDIGESTALGO_SHA512_256,
+  CURLDIGESTALGO_SHA512_256SESS
 };
 
 /* This is used to extract the realm from a challenge message */
diff --git a/Utilities/cmcurl/lib/vauth/ntlm.c b/Utilities/cmcurl/lib/vauth/ntlm.c
index 50d922208b..1e0d4792e7 100644
--- a/Utilities/cmcurl/lib/vauth/ntlm.c
+++ b/Utilities/cmcurl/lib/vauth/ntlm.c
@@ -543,8 +543,7 @@ CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
   else
     user = userp;
 
-  if(user)
-    userlen = strlen(user);
+  userlen = strlen(user);
 
   /* Get the machine's un-qualified host name as NTLM doesn't like the fully
      qualified domain name */
diff --git a/Utilities/cmcurl/lib/version.c b/Utilities/cmcurl/lib/version.c
index ebd600635f..1752e14e88 100644
--- a/Utilities/cmcurl/lib/version.c
+++ b/Utilities/cmcurl/lib/version.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -26,6 +26,7 @@
 #include "urldata.h"
 #include "vtls/vtls.h"
 #include "http2.h"
+#include "ssh.h"
 #include "curl_printf.h"
 
 #ifdef USE_ARES
@@ -64,6 +65,18 @@
 #define CURL_LIBSSH2_VERSION LIBSSH2_VERSION
 #endif
 
+#ifdef HAVE_ZLIB_H
+#include <zlib.h>
+#ifdef __SYMBIAN32__
+/* zlib pollutes the namespace with this definition */
+#undef WIN32
+#endif
+#endif
+
+#ifdef HAVE_BROTLI
+#include <brotli/decode.h>
+#endif
+
 void Curl_version_init(void);
 
 /* For thread safety purposes this function is called by global_init so that
@@ -74,6 +87,18 @@ void Curl_version_init(void)
   curl_version_info(CURLVERSION_NOW);
 }
 
+#ifdef HAVE_BROTLI
+static size_t brotli_version(char *buf, size_t bufsz)
+{
+  uint32_t brotli_version = BrotliDecoderVersion();
+  unsigned int major = brotli_version >> 24;
+  unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
+  unsigned int patch = brotli_version & 0x00000FFF;
+
+  return snprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
+}
+#endif
+
 char *curl_version(void)
 {
   static bool initialized;
@@ -105,6 +130,14 @@ char *curl_version(void)
   left -= len;
   ptr += len;
 #endif
+#ifdef HAVE_BROTLI
+  len = snprintf(ptr, left, "%s", " brotli/");
+  left -= len;
+  ptr += len;
+  len = brotli_version(ptr, left);
+  left -= len;
+  ptr += len;
+#endif
 #ifdef USE_ARES
   /* this function is only present in c-ares, not in the original ares */
   len = snprintf(ptr, left, " c-ares/%s", ares_version(NULL));
@@ -144,6 +177,11 @@ char *curl_version(void)
   left -= len;
   ptr += len;
 #endif
+#ifdef USE_LIBSSH
+  len = snprintf(ptr, left, " libssh/%s", CURL_LIBSSH_VERSION);
+  left -= len;
+  ptr += len;
+#endif
 #ifdef USE_NGHTTP2
   len = Curl_http2_ver(ptr, left);
   left -= len;
@@ -232,10 +270,8 @@ static const char * const protocols[] = {
 #ifndef CURL_DISABLE_RTSP
   "rtsp",
 #endif
-#ifdef USE_LIBSSH2
+#if defined(USE_LIBSSH) || defined(USE_LIBSSH2)
   "scp",
-#endif
-#ifdef USE_LIBSSH2
   "sftp",
 #endif
 #if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
@@ -327,6 +363,9 @@ static curl_version_info_data version_info = {
 #if defined(CURL_WITH_MULTI_SSL)
   | CURL_VERSION_MULTI_SSL
 #endif
+#if defined(HAVE_BROTLI)
+  | CURL_VERSION_BROTLI
+#endif
   ,
   NULL, /* ssl_version */
   0,    /* ssl_version_num, this is kept at zero */
@@ -337,17 +376,22 @@ static curl_version_info_data version_info = {
   NULL, /* libidn version */
   0,    /* iconv version */
   NULL, /* ssh lib version */
+  0,    /* brotli_ver_num */
+  NULL, /* brotli version */
 };
 
 curl_version_info_data *curl_version_info(CURLversion stamp)
 {
   static bool initialized;
-#ifdef USE_LIBSSH2
+#if defined(USE_LIBSSH) || defined(USE_LIBSSH2)
   static char ssh_buffer[80];
 #endif
 #ifdef USE_SSL
   static char ssl_buffer[80];
 #endif
+#ifdef HAVE_BROTLI
+  static char brotli_buffer[80];
+#endif
 
   if(initialized)
     return &version_info;
@@ -391,9 +435,18 @@ curl_version_info_data *curl_version_info(CURLversion stamp)
 #endif /* _LIBICONV_VERSION */
 #endif
 
-#ifdef USE_LIBSSH2
+#if defined(USE_LIBSSH2)
   snprintf(ssh_buffer, sizeof(ssh_buffer), "libssh2/%s", LIBSSH2_VERSION);
   version_info.libssh_version = ssh_buffer;
+#elif defined(USE_LIBSSH)
+  snprintf(ssh_buffer, sizeof(ssh_buffer), "libssh/%s", CURL_LIBSSH_VERSION);
+  version_info.libssh_version = ssh_buffer;
+#endif
+
+#ifdef HAVE_BROTLI
+  version_info.brotli_ver_num = BrotliDecoderVersion();
+  brotli_version(brotli_buffer, sizeof brotli_buffer);
+  version_info.brotli_version = brotli_buffer;
 #endif
 
   (void)stamp; /* avoid compiler warnings, we don't use this */
diff --git a/Utilities/cmcurl/lib/vtls/axtls.c b/Utilities/cmcurl/lib/vtls/axtls.c
index 6b42708d83..9294f49edc 100644
--- a/Utilities/cmcurl/lib/vtls/axtls.c
+++ b/Utilities/cmcurl/lib/vtls/axtls.c
@@ -728,7 +728,7 @@ const struct Curl_ssl Curl_ssl_axtls = {
   Curl_axtls_connect,             /* connect */
   Curl_axtls_connect_nonblocking, /* connect_nonblocking */
   Curl_axtls_get_internals,       /* get_internals */
-  Curl_axtls_close,               /* close */
+  Curl_axtls_close,               /* close_one */
   Curl_none_close_all,            /* close_all */
   Curl_axtls_session_free,        /* session_free */
   Curl_none_set_engine,           /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/cyassl.c b/Utilities/cmcurl/lib/vtls/cyassl.c
index ba5ee15486..46b71bfd3f 100644
--- a/Utilities/cmcurl/lib/vtls/cyassl.c
+++ b/Utilities/cmcurl/lib/vtls/cyassl.c
@@ -76,9 +76,7 @@ and that's a problem since options.h hasn't been included yet. */
 #endif
 #endif
 
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 
 #include "urldata.h"
 #include "sendf.h"
@@ -1003,7 +1001,7 @@ const struct Curl_ssl Curl_ssl_cyassl = {
   Curl_cyassl_connect,             /* connect */
   Curl_cyassl_connect_nonblocking, /* connect_nonblocking */
   Curl_cyassl_get_internals,       /* get_internals */
-  Curl_cyassl_close,               /* close */
+  Curl_cyassl_close,               /* close_one */
   Curl_none_close_all,             /* close_all */
   Curl_cyassl_session_free,        /* session_free */
   Curl_none_set_engine,            /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/darwinssl.c b/Utilities/cmcurl/lib/vtls/darwinssl.c
index a98f43307a..53a7ec37bd 100644
--- a/Utilities/cmcurl/lib/vtls/darwinssl.c
+++ b/Utilities/cmcurl/lib/vtls/darwinssl.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2012 - 2014, Nick Zitzmann, <nickzman@gmail.com>.
+ * Copyright (C) 2012 - 2017, Nick Zitzmann, <nickzman@gmail.com>.
  * Copyright (C) 2012 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
@@ -22,7 +22,7 @@
  ***************************************************************************/
 
 /*
- * Source file for all iOS and Mac OS X SecureTransport-specific code for the
+ * Source file for all iOS and macOS SecureTransport-specific code for the
  * TLS/SSL layer. No code but vtls.c should ever call or use these functions.
  */
 
@@ -39,9 +39,7 @@
 #pragma clang diagnostic ignored "-Wtautological-pointer-compare"
 #endif /* __clang__ */
 
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 
 #include <Security/Security.h>
 /* For some reason, when building for iOS, the omnibus header above does
@@ -50,12 +48,14 @@
 #include <CoreFoundation/CoreFoundation.h>
 #include <CommonCrypto/CommonDigest.h>
 
-/* The Security framework has changed greatly between iOS and different OS X
+/* The Security framework has changed greatly between iOS and different macOS
    versions, and we will try to support as many of them as we can (back to
    Leopard and iOS 5) by using macros and weak-linking.
 
-   IMPORTANT: If TLS 1.1 and 1.2 support are important for you on OS X, then
-   you must build this project against the 10.8 SDK or later. */
+   In general, you want to build this using the most recent OS SDK, since some
+   features require curl to be built against the latest SDK. TLS 1.1 and 1.2
+   support, for instance, require the macOS 10.8 SDK or later. TLS 1.3
+   requires the macOS 10.13 or iOS 11 SDK or later. */
 #if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE))
 
 #if MAC_OS_X_VERSION_MAX_ALLOWED < 1050
@@ -64,6 +64,7 @@
 
 #define CURL_BUILD_IOS 0
 #define CURL_BUILD_IOS_7 0
+#define CURL_BUILD_IOS_11 0
 #define CURL_BUILD_MAC 1
 /* This is the maximum API level we are allowed to use when building: */
 #define CURL_BUILD_MAC_10_5 MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
@@ -71,10 +72,11 @@
 #define CURL_BUILD_MAC_10_7 MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
 #define CURL_BUILD_MAC_10_8 MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
 #define CURL_BUILD_MAC_10_9 MAC_OS_X_VERSION_MAX_ALLOWED >= 1090
+#define CURL_BUILD_MAC_10_13 MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
 /* These macros mean "the following code is present to allow runtime backward
    compatibility with at least this cat or earlier":
-   (You set this at build-time by setting the MACOSX_DEPLOYMENT_TARGET
-   environmental variable.) */
+   (You set this at build-time using the compiler command line option
+   "-mmacos-version-min.") */
 #define CURL_SUPPORT_MAC_10_5 MAC_OS_X_VERSION_MIN_REQUIRED <= 1050
 #define CURL_SUPPORT_MAC_10_6 MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
 #define CURL_SUPPORT_MAC_10_7 MAC_OS_X_VERSION_MIN_REQUIRED <= 1070
@@ -84,11 +86,14 @@
 #elif TARGET_OS_EMBEDDED || TARGET_OS_IPHONE
 #define CURL_BUILD_IOS 1
 #define CURL_BUILD_IOS_7 __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000
+#define CURL_BUILD_IOS_11 __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000
 #define CURL_BUILD_MAC 0
 #define CURL_BUILD_MAC_10_5 0
 #define CURL_BUILD_MAC_10_6 0
 #define CURL_BUILD_MAC_10_7 0
 #define CURL_BUILD_MAC_10_8 0
+#define CURL_BUILD_MAC_10_9 0
+#define CURL_BUILD_MAC_10_13 0
 #define CURL_SUPPORT_MAC_10_5 0
 #define CURL_SUPPORT_MAC_10_6 0
 #define CURL_SUPPORT_MAC_10_7 0
@@ -838,6 +843,30 @@ CF_INLINE const char *TLSCipherNameForNumber(SSLCipherSuite cipher)
       return "TLS_RSA_PSK_WITH_NULL_SHA384";
       break;
 #endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+    /* New ChaCha20+Poly1305 cipher-suites used by TLS 1.3: */
+    case TLS_AES_128_GCM_SHA256:
+      return "TLS_AES_128_GCM_SHA256";
+      break;
+    case TLS_AES_256_GCM_SHA384:
+      return "TLS_AES_256_GCM_SHA384";
+      break;
+    case TLS_CHACHA20_POLY1305_SHA256:
+      return "TLS_CHACHA20_POLY1305_SHA256";
+      break;
+    case TLS_AES_128_CCM_SHA256:
+      return "TLS_AES_128_CCM_SHA256";
+      break;
+    case TLS_AES_128_CCM_8_SHA256:
+      return "TLS_AES_128_CCM_8_SHA256";
+      break;
+    case TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256:
+      return "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256";
+      break;
+    case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256:
+      return "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256";
+      break;
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
   }
   return "TLS_NULL_WITH_NULL_NULL";
 }
@@ -1171,6 +1200,15 @@ static CURLcode darwinssl_version_from_curl(SSLProtocol *darwinver,
       *darwinver = kTLSProtocol12;
       return CURLE_OK;
     case CURL_SSLVERSION_TLSv1_3:
+      /* TLS 1.3 support first appeared in iOS 11 and macOS 10.13 */
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+      /* We can assume __builtin_available() will always work in the
+         10.13/11.0 SDK: */
+      if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
+        *darwinver = kTLSProtocol13;
+        return CURLE_OK;
+      }
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
       break;
   }
   return CURLE_SSL_CONNECT_ERROR;
@@ -1184,12 +1222,27 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex)
   struct ssl_connect_data *connssl = &conn->ssl[sockindex];
   long ssl_version = SSL_CONN_CONFIG(version);
   long ssl_version_max = SSL_CONN_CONFIG(version_max);
+  long max_supported_version_by_os;
+
+  /* macOS 10.5-10.7 supported TLS 1.0 only.
+     macOS 10.8 and later, and iOS 5 and later, added TLS 1.1 and 1.2.
+     macOS 10.13 and later, and iOS 11 and later, added TLS 1.3. */
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+  if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
+    max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_3;
+  }
+  else {
+    max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
+  }
+#else
+  max_supported_version_by_os = CURL_SSLVERSION_MAX_TLSv1_2;
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
 
   switch(ssl_version) {
     case CURL_SSLVERSION_DEFAULT:
     case CURL_SSLVERSION_TLSv1:
       ssl_version = CURL_SSLVERSION_TLSv1_0;
-      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+      ssl_version_max = max_supported_version_by_os;
       break;
   }
 
@@ -1198,7 +1251,7 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex)
       ssl_version_max = ssl_version << 16;
       break;
     case CURL_SSLVERSION_MAX_DEFAULT:
-      ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+      ssl_version_max = max_supported_version_by_os;
       break;
   }
 
@@ -1247,7 +1300,7 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex)
                                             true);
           break;
         case CURL_SSLVERSION_TLSv1_3:
-          failf(data, "DarwinSSL: TLS 1.3 is not yet supported");
+          failf(data, "Your version of the OS does not support TLSv1.3");
           return CURLE_SSL_CONNECT_ERROR;
       }
     }
@@ -1326,7 +1379,16 @@ static CURLcode darwinssl_connect_step1(struct connectdata *conn,
     case CURL_SSLVERSION_DEFAULT:
     case CURL_SSLVERSION_TLSv1:
       (void)SSLSetProtocolVersionMin(BACKEND->ssl_ctx, kTLSProtocol1);
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+      if(__builtin_available(macOS 10.13, iOS 11.0, *)) {
+        (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol13);
+      }
+      else {
+        (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol12);
+      }
+#else
       (void)SSLSetProtocolVersionMax(BACKEND->ssl_ctx, kTLSProtocol12);
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
       break;
     case CURL_SSLVERSION_TLSv1_0:
     case CURL_SSLVERSION_TLSv1_1:
@@ -2341,7 +2403,13 @@ darwinssl_connect_step2(struct connectdata *conn, int sockindex)
         infof(data, "TLS 1.2 connection using %s\n",
               TLSCipherNameForNumber(cipher));
         break;
-#endif
+#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
+#if CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11
+      case kTLSProtocol13:
+        infof(data, "TLS 1.3 connection using %s\n",
+              TLSCipherNameForNumber(cipher));
+        break;
+#endif /* CURL_BUILD_MAC_10_13 || CURL_BUILD_IOS_11 */
       default:
         infof(data, "Unknown protocol connection\n");
         break;
@@ -2932,7 +3000,7 @@ const struct Curl_ssl Curl_ssl_darwinssl = {
   Curl_darwinssl_connect,             /* connect */
   Curl_darwinssl_connect_nonblocking, /* connect_nonblocking */
   Curl_darwinssl_get_internals,       /* get_internals */
-  Curl_darwinssl_close,               /* close */
+  Curl_darwinssl_close,               /* close_one */
   Curl_none_close_all,                /* close_all */
   Curl_darwinssl_session_free,        /* session_free */
   Curl_none_set_engine,               /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/gskit.c b/Utilities/cmcurl/lib/vtls/gskit.c
index ba5faeff8e..8f0cc0bb89 100644
--- a/Utilities/cmcurl/lib/vtls/gskit.c
+++ b/Utilities/cmcurl/lib/vtls/gskit.c
@@ -61,9 +61,7 @@
 #endif
 
 
-#ifdef HAVE_LIMITS_H
-#  include <limits.h>
-#endif
+#include <limits.h>
 
 #include <curl/curl.h>
 #include "urldata.h"
@@ -1375,7 +1373,7 @@ const struct Curl_ssl Curl_ssl_gskit = {
   Curl_gskit_connect,             /* connect */
   Curl_gskit_connect_nonblocking, /* connect_nonblocking */
   Curl_gskit_get_internals,       /* get_internals */
-  Curl_gskit_close,               /* close */
+  Curl_gskit_close,               /* close_one */
   Curl_none_close_all,            /* close_all */
   /* No session handling for GSKit */
   Curl_none_session_free,         /* session_free */
diff --git a/Utilities/cmcurl/lib/vtls/gtls.c b/Utilities/cmcurl/lib/vtls/gtls.c
index a844915ef0..30b255b81a 100644
--- a/Utilities/cmcurl/lib/vtls/gtls.c
+++ b/Utilities/cmcurl/lib/vtls/gtls.c
@@ -1827,7 +1827,7 @@ const struct Curl_ssl Curl_ssl_gnutls = {
   Curl_gtls_connect,             /* connect */
   Curl_gtls_connect_nonblocking, /* connect_nonblocking */
   Curl_gtls_get_internals,       /* get_internals */
-  Curl_gtls_close,               /* close */
+  Curl_gtls_close,               /* close_one */
   Curl_none_close_all,           /* close_all */
   Curl_gtls_session_free,        /* session_free */
   Curl_none_set_engine,          /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/mbedtls.c b/Utilities/cmcurl/lib/vtls/mbedtls.c
index ce1f8eba80..28251a3888 100644
--- a/Utilities/cmcurl/lib/vtls/mbedtls.c
+++ b/Utilities/cmcurl/lib/vtls/mbedtls.c
@@ -1061,7 +1061,7 @@ const struct Curl_ssl Curl_ssl_mbedtls = {
   Curl_mbedtls_connect,             /* connect */
   Curl_mbedtls_connect_nonblocking, /* connect_nonblocking */
   Curl_mbedtls_get_internals,       /* get_internals */
-  Curl_mbedtls_close,               /* close */
+  Curl_mbedtls_close,               /* close_one */
   Curl_mbedtls_close_all,           /* close_all */
   Curl_mbedtls_session_free,        /* session_free */
   Curl_none_set_engine,             /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/nss.c b/Utilities/cmcurl/lib/vtls/nss.c
index c0b7e63abc..a3ef37a12c 100644
--- a/Utilities/cmcurl/lib/vtls/nss.c
+++ b/Utilities/cmcurl/lib/vtls/nss.c
@@ -2365,7 +2365,7 @@ const struct Curl_ssl Curl_ssl_nss = {
   Curl_nss_connect,             /* connect */
   Curl_nss_connect_nonblocking, /* connect_nonblocking */
   Curl_nss_get_internals,       /* get_internals */
-  Curl_nss_close,               /* close */
+  Curl_nss_close,               /* close_one */
   Curl_none_close_all,          /* close_all */
   /* NSS has its own session ID cache */
   Curl_none_session_free,       /* session_free */
diff --git a/Utilities/cmcurl/lib/vtls/openssl.c b/Utilities/cmcurl/lib/vtls/openssl.c
index 4253160aa7..93faa6fa8d 100644
--- a/Utilities/cmcurl/lib/vtls/openssl.c
+++ b/Utilities/cmcurl/lib/vtls/openssl.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -34,9 +34,7 @@
 
 #ifdef USE_OPENSSL
 
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 
 #include "urldata.h"
 #include "sendf.h"
@@ -68,10 +66,7 @@
 #include <openssl/rsa.h>
 #include <openssl/bio.h>
 #include <openssl/buffer.h>
-
-#ifdef HAVE_OPENSSL_PKCS12_H
 #include <openssl/pkcs12.h>
-#endif
 
 #if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_OCSP)
 #include <openssl/ocsp.h>
@@ -151,14 +146,13 @@ static unsigned long OpenSSL_version_num(void)
 /*
  * Whether SSL_CTX_set_keylog_callback is available.
  * OpenSSL: supported since 1.1.1 https://github.com/openssl/openssl/pull/2287
- * BoringSSL: supported since d28f59c27bac (committed 2015-11-19), the
- *            BORINGSSL_201512 macro from 2016-01-21 should be close enough.
+ * BoringSSL: supported since d28f59c27bac (committed 2015-11-19)
  * LibreSSL: unsupported in at least 2.5.1 (explicitly check for it since it
  *           lies and pretends to be OpenSSL 2.0.0).
  */
 #if (OPENSSL_VERSION_NUMBER >= 0x10101000L && \
      !defined(LIBRESSL_VERSION_NUMBER)) || \
-    defined(BORINGSSL_201512)
+    defined(OPENSSL_IS_BORINGSSL)
 #define HAVE_KEYLOG_CALLBACK
 #endif
 
@@ -181,6 +175,8 @@ static unsigned long OpenSSL_version_num(void)
   "ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH"
 #endif
 
+#define ENABLE_SSLKEYLOGFILE
+
 #ifdef ENABLE_SSLKEYLOGFILE
 typedef struct ssl_tap_state {
   int master_key_length;
@@ -263,11 +259,11 @@ static void tap_ssl_key(const SSL *ssl, ssl_tap_state_t *state)
   if(!session || !keylog_file_fp)
     return;
 
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
   /* ssl->s3 is not checked in openssl 1.1.0-pre6, but let's assume that
    * we have a valid SSL context if we have a non-NULL session. */
   SSL_get_client_random(ssl, client_random, SSL3_RANDOM_SIZE);
-  master_key_length =
+  master_key_length = (int)
     SSL_SESSION_get_master_key(session, master_key, SSL_MAX_MASTER_KEY_LENGTH);
 #else
   if(ssl->s3 && session->master_key_length > 0) {
@@ -445,14 +441,14 @@ static CURLcode Curl_ossl_seed(struct Curl_easy *data)
     size_t len = sizeof(randb);
     size_t i, i_max;
     for(i = 0, i_max = len / sizeof(struct curltime); i < i_max; ++i) {
-      struct curltime tv = curlx_tvnow();
+      struct curltime tv = Curl_now();
       Curl_wait_ms(1);
       tv.tv_sec *= i + 1;
       tv.tv_usec *= (unsigned int)i + 2;
-      tv.tv_sec ^= ((curlx_tvnow().tv_sec + curlx_tvnow().tv_usec) *
+      tv.tv_sec ^= ((Curl_now().tv_sec + Curl_now().tv_usec) *
                     (i + 3)) << 8;
-      tv.tv_usec ^= (unsigned int) ((curlx_tvnow().tv_sec +
-                                     curlx_tvnow().tv_usec) *
+      tv.tv_usec ^= (unsigned int) ((Curl_now().tv_sec +
+                                     Curl_now().tv_usec) *
                                     (i + 4)) << 16;
       memcpy(&randb[i * sizeof(struct curltime)], &tv,
              sizeof(struct curltime));
@@ -653,7 +649,6 @@ int cert_stuff(struct connectdata *conn,
 
     case SSL_FILETYPE_PKCS12:
     {
-#ifdef HAVE_OPENSSL_PKCS12_H
       FILE *f;
       PKCS12 *p12;
       EVP_PKEY *pri;
@@ -740,10 +735,6 @@ int cert_stuff(struct connectdata *conn,
       if(!cert_done)
         return 0; /* failure! */
       break;
-#else
-      failf(data, "file type P12 for certificate not supported");
-      return 0;
-#endif
     }
     default:
       failf(data, "not supported file type '%s' for certificate", cert_type);
@@ -837,12 +828,18 @@ int cert_stuff(struct connectdata *conn,
       EVP_PKEY_free(pktmp);
     }
 
-#ifndef OPENSSL_NO_RSA
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_IS_BORINGSSL)
     {
       /* If RSA is used, don't check the private key if its flags indicate
        * it doesn't support it. */
       EVP_PKEY *priv_key = SSL_get_privatekey(ssl);
-      if(EVP_PKEY_id(priv_key) == EVP_PKEY_RSA) {
+      int pktype;
+#ifdef HAVE_OPAQUE_EVP_PKEY
+      pktype = EVP_PKEY_id(priv_key);
+#else
+      pktype = priv_key->type;
+#endif
+      if(pktype == EVP_PKEY_RSA) {
         RSA *rsa = EVP_PKEY_get1_RSA(priv_key);
         if(RSA_flags(rsa) & RSA_METHOD_FLAG_NO_CHECK)
           check_privkey = FALSE;
@@ -907,7 +904,7 @@ static int x509_name_oneline(X509_NAME *a, char *buf, size_t size)
 static int Curl_ossl_init(void)
 {
 #ifdef ENABLE_SSLKEYLOGFILE
-  const char *keylog_file_name;
+  char *keylog_file_name;
 #endif
 
   OPENSSL_load_builtin_modules();
@@ -947,14 +944,22 @@ static int Curl_ossl_init(void)
 #endif
 
 #ifdef ENABLE_SSLKEYLOGFILE
-  keylog_file_name = curl_getenv("SSLKEYLOGFILE");
-  if(keylog_file_name && !keylog_file_fp) {
-    keylog_file_fp = fopen(keylog_file_name, FOPEN_APPENDTEXT);
-    if(keylog_file_fp) {
-      if(setvbuf(keylog_file_fp, NULL, _IOLBF, 4096)) {
-        fclose(keylog_file_fp);
-        keylog_file_fp = NULL;
+  if(!keylog_file_fp) {
+    keylog_file_name = curl_getenv("SSLKEYLOGFILE");
+    if(keylog_file_name) {
+      keylog_file_fp = fopen(keylog_file_name, FOPEN_APPENDTEXT);
+      if(keylog_file_fp) {
+#ifdef WIN32
+        if(setvbuf(keylog_file_fp, NULL, _IONBF, 0))
+#else
+        if(setvbuf(keylog_file_fp, NULL, _IOLBF, 4096))
+#endif
+        {
+          fclose(keylog_file_fp);
+          keylog_file_fp = NULL;
+        }
       }
+      Curl_safefree(keylog_file_name);
     }
   }
 #endif
@@ -2408,8 +2413,8 @@ static CURLcode ossl_connect_step1(struct connectdata *conn, int sockindex)
 
   /* Enable logging of secrets to the file specified in env SSLKEYLOGFILE. */
 #if defined(ENABLE_SSLKEYLOGFILE) && defined(HAVE_KEYLOG_CALLBACK)
-  if(keylog_file) {
-    SSL_CTX_set_keylog_callback(connssl->ctx, ossl_keylog_callback);
+  if(keylog_file_fp) {
+    SSL_CTX_set_keylog_callback(BACKEND->ctx, ossl_keylog_callback);
   }
 #endif
 
@@ -3060,12 +3065,12 @@ static CURLcode servercert(struct connectdata *conn,
   ASN1_TIME_print(mem, X509_get0_notBefore(BACKEND->server_cert));
   len = BIO_get_mem_data(mem, (char **) &ptr);
   infof(data, " start date: %.*s\n", len, ptr);
-  rc = BIO_reset(mem);
+  (void)BIO_reset(mem);
 
   ASN1_TIME_print(mem, X509_get0_notAfter(BACKEND->server_cert));
   len = BIO_get_mem_data(mem, (char **) &ptr);
   infof(data, " expire date: %.*s\n", len, ptr);
-  rc = BIO_reset(mem);
+  (void)BIO_reset(mem);
 
   BIO_free(mem);
 
@@ -3386,12 +3391,13 @@ static bool Curl_ossl_data_pending(const struct connectdata *conn,
 {
   const struct ssl_connect_data *connssl = &conn->ssl[connindex];
   const struct ssl_connect_data *proxyssl = &conn->proxy_ssl[connindex];
-  if(BACKEND->handle)
-    /* SSL is in use */
-    return (0 != SSL_pending(BACKEND->handle) ||
-           (proxyssl->backend->handle &&
-            0 != SSL_pending(proxyssl->backend->handle))) ?
-           TRUE : FALSE;
+
+  if(connssl->backend->handle && SSL_pending(connssl->backend->handle))
+    return TRUE;
+
+  if(proxyssl->backend->handle && SSL_pending(proxyssl->backend->handle))
+    return TRUE;
+
   return FALSE;
 }
 
@@ -3636,7 +3642,7 @@ const struct Curl_ssl Curl_ssl_openssl = {
   Curl_ossl_connect,             /* connect */
   Curl_ossl_connect_nonblocking, /* connect_nonblocking */
   Curl_ossl_get_internals,       /* get_internals */
-  Curl_ossl_close,               /* close */
+  Curl_ossl_close,               /* close_one */
   Curl_ossl_close_all,           /* close_all */
   Curl_ossl_session_free,        /* session_free */
   Curl_ossl_set_engine,          /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/polarssl.c b/Utilities/cmcurl/lib/vtls/polarssl.c
index fc0644f896..df29fa945e 100644
--- a/Utilities/cmcurl/lib/vtls/polarssl.c
+++ b/Utilities/cmcurl/lib/vtls/polarssl.c
@@ -923,7 +923,7 @@ const struct Curl_ssl Curl_ssl_polarssl = {
   Curl_polarssl_connect,             /* connect */
   Curl_polarssl_connect_nonblocking, /* connect_nonblocking */
   Curl_polarssl_get_internals,       /* get_internals */
-  Curl_polarssl_close,               /* close */
+  Curl_polarssl_close,               /* close_one */
   Curl_none_close_all,               /* close_all */
   Curl_polarssl_session_free,        /* session_free */
   Curl_none_set_engine,              /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/schannel.c b/Utilities/cmcurl/lib/vtls/schannel.c
index 9ca1431bdb..85c64cf446 100644
--- a/Utilities/cmcurl/lib/vtls/schannel.c
+++ b/Utilities/cmcurl/lib/vtls/schannel.c
@@ -1838,7 +1838,7 @@ const struct Curl_ssl Curl_ssl_schannel = {
   Curl_schannel_connect,             /* connect */
   Curl_schannel_connect_nonblocking, /* connect_nonblocking */
   Curl_schannel_get_internals,       /* get_internals */
-  Curl_schannel_close,               /* close */
+  Curl_schannel_close,               /* close_one */
   Curl_none_close_all,               /* close_all */
   Curl_schannel_session_free,        /* session_free */
   Curl_none_set_engine,              /* set_engine */
diff --git a/Utilities/cmcurl/lib/vtls/vtls.c b/Utilities/cmcurl/lib/vtls/vtls.c
index bb8fda4196..def1d30cb6 100644
--- a/Utilities/cmcurl/lib/vtls/vtls.c
+++ b/Utilities/cmcurl/lib/vtls/vtls.c
@@ -549,7 +549,7 @@ int Curl_ssl_getsock(struct connectdata *conn,
 void Curl_ssl_close(struct connectdata *conn, int sockindex)
 {
   DEBUGASSERT((sockindex <= 1) && (sockindex >= -1));
-  Curl_ssl->close(conn, sockindex);
+  Curl_ssl->close_one(conn, sockindex);
 }
 
 CURLcode Curl_ssl_shutdown(struct connectdata *conn, int sockindex)
@@ -1059,6 +1059,7 @@ bool Curl_none_false_start(void)
   return FALSE;
 }
 
+#ifndef CURL_DISABLE_CRYPTO_AUTH
 CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
                           unsigned char *md5sum, size_t md5len UNUSED_PARAM)
 {
@@ -1073,6 +1074,19 @@ CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
   Curl_MD5_final(MD5pw, md5sum);
   return CURLE_OK;
 }
+#else
+CURLcode Curl_none_md5sum(unsigned char *input UNUSED_PARAM,
+                          size_t inputlen UNUSED_PARAM,
+                          unsigned char *md5sum UNUSED_PARAM,
+                          size_t md5len UNUSED_PARAM)
+{
+  (void)input;
+  (void)inputlen;
+  (void)md5sum;
+  (void)md5len;
+  return CURLE_NOT_BUILT_IN;
+}
+#endif
 
 static int Curl_multissl_init(void)
 {
@@ -1108,7 +1122,7 @@ static void Curl_multissl_close(struct connectdata *conn, int sockindex)
 {
   if(multissl_init(NULL))
     return;
-  Curl_ssl->close(conn, sockindex);
+  Curl_ssl->close_one(conn, sockindex);
 }
 
 static const struct Curl_ssl Curl_ssl_multi = {
@@ -1133,7 +1147,7 @@ static const struct Curl_ssl Curl_ssl_multi = {
   Curl_multissl_connect,             /* connect */
   Curl_multissl_connect_nonblocking, /* connect_nonblocking */
   Curl_multissl_get_internals,       /* get_internals */
-  Curl_multissl_close,               /* close */
+  Curl_multissl_close,               /* close_one */
   Curl_none_close_all,               /* close_all */
   Curl_none_session_free,            /* session_free */
   Curl_none_set_engine,              /* set_engine */
@@ -1246,6 +1260,7 @@ static size_t Curl_multissl_version(char *buffer, size_t size)
 static int multissl_init(const struct Curl_ssl *backend)
 {
   const char *env;
+  char *env_tmp;
   int i;
 
   if(Curl_ssl != &Curl_ssl_multi)
@@ -1259,7 +1274,7 @@ static int multissl_init(const struct Curl_ssl *backend)
   if(!available_backends[0])
     return 1;
 
-  env = getenv("CURL_SSL_BACKEND");
+  env = env_tmp = curl_getenv("CURL_SSL_BACKEND");
 #ifdef CURL_DEFAULT_SSL_BACKEND
   if(!env)
     env = CURL_DEFAULT_SSL_BACKEND;
@@ -1268,6 +1283,7 @@ static int multissl_init(const struct Curl_ssl *backend)
     for(i = 0; available_backends[i]; i++) {
       if(strcasecompare(env, available_backends[i]->info.name)) {
         Curl_ssl = available_backends[i];
+        curl_free(env_tmp);
         return 0;
       }
     }
@@ -1275,6 +1291,7 @@ static int multissl_init(const struct Curl_ssl *backend)
 
   /* Fall back to first available backend */
   Curl_ssl = available_backends[0];
+  curl_free(env_tmp);
   return 0;
 }
 
diff --git a/Utilities/cmcurl/lib/vtls/vtls.h b/Utilities/cmcurl/lib/vtls/vtls.h
index f1a11ea58d..c5f9d4a3fa 100644
--- a/Utilities/cmcurl/lib/vtls/vtls.h
+++ b/Utilities/cmcurl/lib/vtls/vtls.h
@@ -60,7 +60,7 @@ struct Curl_ssl {
   CURLcode (*connect_nonblocking)(struct connectdata *conn, int sockindex,
                                   bool *done);
   void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info);
-  void (*close)(struct connectdata *conn, int sockindex);
+  void (*close_one)(struct connectdata *conn, int sockindex);
   void (*close_all)(struct Curl_easy *data);
   void (*session_free)(void *ptr);