systemd: update code from upstream

This is a direct dump from systemd git on 2016-04-19, git commit
490d20e65dd85628f910299a3925bbff466b2e74.

======

SYSTEMD_DIR=../systemd
COMMIT=490d20e65dd85628f910299a3925bbff466b2e74

(
  cd "$SYSTEMD_DIR"
  git checkout "$COMMIT"
  git reset --hard
  git clean -fdx
)

git ls-files :/src/systemd/src/ | xargs -d '\n' rm -f

nm_copy_sd() {
    mkdir -p "./src/systemd/$(dirname "$1")"
    cp "$SYSTEMD_DIR/$1" "./src/systemd/$1"
}

nm_copy_sd "src/basic/alloc-util.c"
nm_copy_sd "src/basic/alloc-util.h"
nm_copy_sd "src/basic/async.h"
nm_copy_sd "src/basic/escape.c"
nm_copy_sd "src/basic/escape.h"
nm_copy_sd "src/basic/ether-addr-util.c"
nm_copy_sd "src/basic/ether-addr-util.h"
nm_copy_sd "src/basic/fileio.c"
nm_copy_sd "src/basic/fileio.h"
nm_copy_sd "src/basic/fd-util.c"
nm_copy_sd "src/basic/fd-util.h"
nm_copy_sd "src/basic/fs-util.c"
nm_copy_sd "src/basic/fs-util.h"
nm_copy_sd "src/basic/hash-funcs.c"
nm_copy_sd "src/basic/hash-funcs.h"
nm_copy_sd "src/basic/hashmap.c"
nm_copy_sd "src/basic/hashmap.h"
nm_copy_sd "src/basic/hexdecoct.c"
nm_copy_sd "src/basic/hexdecoct.h"
nm_copy_sd "src/basic/hostname-util.c"
nm_copy_sd "src/basic/hostname-util.h"
nm_copy_sd "src/basic/in-addr-util.c"
nm_copy_sd "src/basic/in-addr-util.h"
nm_copy_sd "src/basic/io-util.c"
nm_copy_sd "src/basic/io-util.h"
nm_copy_sd "src/basic/list.h"
nm_copy_sd "src/basic/log.h"
nm_copy_sd "src/basic/macro.h"
nm_copy_sd "src/basic/mempool.h"
nm_copy_sd "src/basic/mempool.c"
nm_copy_sd "src/basic/parse-util.c"
nm_copy_sd "src/basic/parse-util.h"
nm_copy_sd "src/basic/path-util.c"
nm_copy_sd "src/basic/path-util.h"
nm_copy_sd "src/basic/prioq.h"
nm_copy_sd "src/basic/prioq.c"
nm_copy_sd "src/basic/random-util.c"
nm_copy_sd "src/basic/random-util.h"
nm_copy_sd "src/basic/refcnt.h"
nm_copy_sd "src/basic/set.h"
nm_copy_sd "src/basic/signal-util.h"
nm_copy_sd "src/basic/siphash24.c"
nm_copy_sd "src/basic/siphash24.h"
nm_copy_sd "src/basic/socket-util.c"
nm_copy_sd "src/basic/socket-util.h"
nm_copy_sd "src/basic/sparse-endian.h"
nm_copy_sd "src/basic/stdio-util.h"
nm_copy_sd "src/basic/string-table.c"
nm_copy_sd "src/basic/string-table.h"
nm_copy_sd "src/basic/string-util.c"
nm_copy_sd "src/basic/string-util.h"
nm_copy_sd "src/basic/strv.c"
nm_copy_sd "src/basic/strv.h"
nm_copy_sd "src/basic/time-util.c"
nm_copy_sd "src/basic/time-util.h"
nm_copy_sd "src/basic/umask-util.h"
nm_copy_sd "src/basic/unaligned.h"
nm_copy_sd "src/basic/utf8.c"
nm_copy_sd "src/basic/utf8.h"
nm_copy_sd "src/basic/util.c"
nm_copy_sd "src/basic/util.h"
nm_copy_sd "src/libsystemd-network/arp-util.c"
nm_copy_sd "src/libsystemd-network/arp-util.h"
nm_copy_sd "src/libsystemd-network/dhcp6-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp6-lease-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp6-network.c"
nm_copy_sd "src/libsystemd-network/dhcp6-option.c"
nm_copy_sd "src/libsystemd-network/dhcp6-protocol.h"
nm_copy_sd "src/libsystemd-network/dhcp-identifier.c"
nm_copy_sd "src/libsystemd-network/dhcp-identifier.h"
nm_copy_sd "src/libsystemd-network/dhcp-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp-lease-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp-network.c"
nm_copy_sd "src/libsystemd-network/dhcp-option.c"
nm_copy_sd "src/libsystemd-network/dhcp-packet.c"
nm_copy_sd "src/libsystemd-network/dhcp-protocol.h"
nm_copy_sd "src/libsystemd-network/lldp-internal.h"
nm_copy_sd "src/libsystemd-network/lldp-neighbor.c"
nm_copy_sd "src/libsystemd-network/lldp-neighbor.h"
nm_copy_sd "src/libsystemd-network/lldp-network.c"
nm_copy_sd "src/libsystemd-network/lldp-network.h"
nm_copy_sd "src/libsystemd-network/network-internal.c"
nm_copy_sd "src/libsystemd-network/network-internal.h"
nm_copy_sd "src/libsystemd-network/sd-dhcp6-client.c"
nm_copy_sd "src/libsystemd-network/sd-dhcp6-lease.c"
nm_copy_sd "src/libsystemd-network/sd-dhcp-client.c"
nm_copy_sd "src/libsystemd-network/sd-dhcp-lease.c"
nm_copy_sd "src/libsystemd-network/sd-ipv4ll.c"
nm_copy_sd "src/libsystemd-network/sd-ipv4acd.c"
nm_copy_sd "src/libsystemd-network/sd-lldp.c"
nm_copy_sd "src/libsystemd/sd-event/sd-event.c"
nm_copy_sd "src/libsystemd/sd-id128/sd-id128.c"
nm_copy_sd "src/shared/dns-domain.c"
nm_copy_sd "src/shared/dns-domain.h"
nm_copy_sd "src/systemd/_sd-common.h"
nm_copy_sd "src/systemd/sd-dhcp6-client.h"
nm_copy_sd "src/systemd/sd-dhcp6-lease.h"
nm_copy_sd "src/systemd/sd-dhcp-client.h"
nm_copy_sd "src/systemd/sd-dhcp-lease.h"
nm_copy_sd "src/systemd/sd-event.h"
nm_copy_sd "src/systemd/sd-ndisc.h"
nm_copy_sd "src/systemd/sd-id128.h"
nm_copy_sd "src/systemd/sd-ipv4acd.h"
nm_copy_sd "src/systemd/sd-ipv4ll.h"
nm_copy_sd "src/systemd/sd-lldp.h"

15 files changed, 239 insertions, 94 deletions

diff --git a/src/systemd/src/basic/hostname-util.c b/src/systemd/src/basic/hostname-util.c
index 5a7ee87a20..13c3bb6446 100644
--- a/src/systemd/src/basic/hostname-util.c
+++ b/src/systemd/src/basic/hostname-util.c
@@ -178,16 +178,16 @@ bool is_localhost(const char *hostname) {
         assert(hostname);
 
         /* This tries to identify local host and domain names
-         * described in RFC6761 plus the redhatism of .localdomain */
+         * described in RFC6761 plus the redhatism of localdomain */
 
         return strcaseeq(hostname, "localhost") ||
                strcaseeq(hostname, "localhost.") ||
-               strcaseeq(hostname, "localdomain.") ||
-               strcaseeq(hostname, "localdomain") ||
+               strcaseeq(hostname, "localhost.localdomain") ||
+               strcaseeq(hostname, "localhost.localdomain.") ||
                endswith_no_case(hostname, ".localhost") ||
                endswith_no_case(hostname, ".localhost.") ||
-               endswith_no_case(hostname, ".localdomain") ||
-               endswith_no_case(hostname, ".localdomain.");
+               endswith_no_case(hostname, ".localhost.localdomain") ||
+               endswith_no_case(hostname, ".localhost.localdomain.");
 }
 
 bool is_gateway_hostname(const char *hostname) {
diff --git a/src/systemd/src/basic/parse-util.h b/src/systemd/src/basic/parse-util.h
index d8dc26a36e..c407263e16 100644
--- a/src/systemd/src/basic/parse-util.h
+++ b/src/systemd/src/basic/parse-util.h
@@ -90,6 +90,18 @@ static inline int safe_atoli(const char *s, long int *ret_u) {
 }
 #endif
 
+#if SIZE_MAX == UINT_MAX
+static inline int safe_atozu(const char *s, size_t *ret_u) {
+        assert_cc(sizeof(size_t) == sizeof(unsigned));
+        return safe_atou(s, ret_u);
+}
+#else
+static inline int safe_atozu(const char *s, size_t *ret_u) {
+        assert_cc(sizeof(size_t) == sizeof(long unsigned));
+        return safe_atolu(s, ret_u);
+}
+#endif
+
 int safe_atod(const char *s, double *ret_d);
 
 int parse_fractional_part_u(const char **s, size_t digits, unsigned *res);
diff --git a/src/systemd/src/basic/path-util.c b/src/systemd/src/basic/path-util.c
index 822c09bfba..044a12889d 100644
--- a/src/systemd/src/basic/path-util.c
+++ b/src/systemd/src/basic/path-util.c
@@ -569,10 +569,10 @@ static int binary_is_good(const char *binary) {
         if (r < 0)
                 return r;
 
-        return !path_equal(d, "true") &&
-               !path_equal(d, "/bin/true") &&
-               !path_equal(d, "/usr/bin/true") &&
-               !path_equal(d, "/dev/null");
+        return !PATH_IN_SET(d, "true"
+                               "/bin/true",
+                               "/usr/bin/true",
+                               "/dev/null");
 }
 
 int fsck_exists(const char *fstype) {
diff --git a/src/systemd/src/basic/path-util.h b/src/systemd/src/basic/path-util.h
index 2c2f87a9f2..34d5cd1570 100644
--- a/src/systemd/src/basic/path-util.h
+++ b/src/systemd/src/basic/path-util.h
@@ -48,6 +48,23 @@ bool path_equal(const char *a, const char *b) _pure_;
 bool path_equal_or_files_same(const char *a, const char *b);
 char* path_join(const char *root, const char *path, const char *rest);
 
+static inline bool path_equal_ptr(const char *a, const char *b) {
+        return !!a == !!b && (!a || path_equal(a, b));
+}
+
+/* Note: the search terminates on the first NULL item. */
+#define PATH_IN_SET(p, ...)                                     \
+        ({                                                      \
+                char **s;                                       \
+                bool _found = false;                            \
+                STRV_FOREACH(s, STRV_MAKE(__VA_ARGS__))         \
+                        if (path_equal(p, *s)) {                \
+                               _found = true;                   \
+                               break;                           \
+                        }                                       \
+                _found;                                         \
+        })
+
 int path_strv_make_absolute_cwd(char **l);
 char** path_strv_resolve(char **l, const char *prefix);
 char** path_strv_resolve_uniq(char **l, const char *prefix);
diff --git a/src/systemd/src/basic/signal-util.h b/src/systemd/src/basic/signal-util.h
new file mode 100644
index 0000000000..dfd6eb564d
--- /dev/null
+++ b/src/systemd/src/basic/signal-util.h
@@ -0,0 +1,56 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2010-2015 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <signal.h>
+
+#include "macro.h"
+
+int reset_all_signal_handlers(void);
+int reset_signal_mask(void);
+
+int ignore_signals(int sig, ...);
+int default_signals(int sig, ...);
+int sigaction_many(const struct sigaction *sa, ...);
+
+int sigset_add_many(sigset_t *ss, ...);
+int sigprocmask_many(int how, sigset_t *old, ...);
+
+const char *signal_to_string(int i) _const_;
+int signal_from_string(const char *s) _pure_;
+
+int signal_from_string_try_harder(const char *s);
+
+void nop_signal_handler(int sig);
+
+static inline void block_signals_reset(sigset_t *ss) {
+        assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
+}
+
+#define BLOCK_SIGNALS(...)                                                        \
+        _cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({       \
+                sigset_t t;                                                       \
+                assert_se(sigprocmask_many(SIG_BLOCK, &t, __VA_ARGS__, -1) >= 0); \
+                t;                                                                \
+        })
+
+static inline bool SIGNAL_VALID(int signo) {
+        return signo > 0 && signo < _NSIG;
+}
diff --git a/src/systemd/src/basic/string-table.h b/src/systemd/src/basic/string-table.h
index b180488fe8..d88625fca7 100644
--- a/src/systemd/src/basic/string-table.h
+++ b/src/systemd/src/basic/string-table.h
@@ -56,26 +56,8 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k
                 return (type) string_table_lookup(name##_table, ELEMENTSOF(name##_table), s); \
         }
 
-#define _DEFINE_STRING_TABLE_LOOKUP(name,type,scope)                    \
-        _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope)          \
-        _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope)        \
-        struct __useless_struct_to_allow_trailing_semicolon__
-
-#define _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,scope)   \
-        _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope)          \
-        _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_WITH_BOOLEAN(name,type,yes,scope) \
-        struct __useless_struct_to_allow_trailing_semicolon__
-
-#define DEFINE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,)
-#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,static)
-#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,static)
-#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,static)
-
-#define DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes) _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,)
-
-/* For string conversions where numbers are also acceptable */
-#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max)         \
-        int name##_to_string_alloc(type i, char **str) {                \
+#define _DEFINE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max,scope) \
+        scope int name##_to_string_alloc(type i, char **str) {          \
                 char *s;                                                \
                 if (i < 0 || i > max)                                   \
                         return -ERANGE;                                 \
@@ -89,7 +71,9 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k
                 }                                                       \
                 *str = s;                                               \
                 return 0;                                               \
-        }                                                               \
+        }
+
+#define _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max,scope) \
         type name##_from_string(const char *s) {                        \
                 type i;                                                 \
                 unsigned u = 0;                                         \
@@ -102,4 +86,32 @@ ssize_t string_table_lookup(const char * const *table, size_t len, const char *k
                         return (type) u;                                \
                 return (type) -1;                                       \
         }                                                               \
+
+
+#define _DEFINE_STRING_TABLE_LOOKUP(name,type,scope)                    \
+        _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope)          \
+        _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,scope)        \
+        struct __useless_struct_to_allow_trailing_semicolon__
+
+#define _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,scope)   \
+        _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,scope)          \
+        _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_WITH_BOOLEAN(name,type,yes,scope) \
+        struct __useless_struct_to_allow_trailing_semicolon__
+
+#define DEFINE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,)
+#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) _DEFINE_STRING_TABLE_LOOKUP(name,type,static)
+#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_TO_STRING(name,type,static)
+#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(name,type) _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING(name,type,static)
+
+#define DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes) _DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(name,type,yes,)
+
+/* For string conversions where numbers are also acceptable */
+#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max)         \
+        _DEFINE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max,)  \
+        _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max,) \
         struct __useless_struct_to_allow_trailing_semicolon__
+
+#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max) \
+        _DEFINE_STRING_TABLE_LOOKUP_TO_STRING_FALLBACK(name,type,max,static)
+#define DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max) \
+        _DEFINE_STRING_TABLE_LOOKUP_FROM_STRING_FALLBACK(name,type,max,static)
diff --git a/src/systemd/src/basic/strv.c b/src/systemd/src/basic/strv.c
index 8282298dca..97a96e5762 100644
--- a/src/systemd/src/basic/strv.c
+++ b/src/systemd/src/basic/strv.c
@@ -558,6 +558,42 @@ int strv_extend(char ***l, const char *value) {
         return strv_consume(l, v);
 }
 
+int strv_extend_front(char ***l, const char *value) {
+        size_t n, m;
+        char *v, **c;
+
+        assert(l);
+
+        /* Like strv_extend(), but prepends rather than appends the new entry */
+
+        if (!value)
+                return 0;
+
+        n = strv_length(*l);
+
+        /* Increase and overflow check. */
+        m = n + 2;
+        if (m < n)
+                return -ENOMEM;
+
+        v = strdup(value);
+        if (!v)
+                return -ENOMEM;
+
+        c = realloc_multiply(*l, sizeof(char*), m);
+        if (!c) {
+                free(v);
+                return -ENOMEM;
+        }
+
+        memmove(c+1, c, n * sizeof(char*));
+        c[0] = v;
+        c[n+1] = NULL;
+
+        *l = c;
+        return 0;
+}
+
 char **strv_uniq(char **l) {
         char **i;
 
diff --git a/src/systemd/src/basic/strv.h b/src/systemd/src/basic/strv.h
index 7bfa54408d..f61bbb5386 100644
--- a/src/systemd/src/basic/strv.h
+++ b/src/systemd/src/basic/strv.h
@@ -50,6 +50,7 @@ int strv_extend_strv(char ***a, char **b, bool filter_duplicates);
 int strv_extend_strv_concat(char ***a, char **b, const char *suffix);
 int strv_extend(char ***l, const char *value);
 int strv_extendf(char ***l, const char *format, ...) _printf_(2,0);
+int strv_extend_front(char ***l, const char *value);
 int strv_push(char ***l, char *value);
 int strv_push_pair(char ***l, char *a, char *b);
 int strv_push_prepend(char ***l, char *value);
diff --git a/src/systemd/src/basic/time-util.c b/src/systemd/src/basic/time-util.c
index c16460a198..7ca764abeb 100644
--- a/src/systemd/src/basic/time-util.c
+++ b/src/systemd/src/basic/time-util.c
@@ -47,15 +47,12 @@ static clockid_t map_clock_id(clockid_t c) {
         /* Some more exotic archs (s390, ppc, …) lack the "ALARM" flavour of the clocks. Thus, clock_gettime() will
          * fail for them. Since they are essentially the same as their non-ALARM pendants (their only difference is
          * when timers are set on them), let's just map them accordingly. This way, we can get the correct time even on
-         * those archs.
-         *
-         * Also, older kernels don't support CLOCK_BOOTTIME: fall back to CLOCK_MONOTONIC. */
+         * those archs. */
 
         switch (c) {
 
-        case CLOCK_BOOTTIME:
         case CLOCK_BOOTTIME_ALARM:
-                return clock_boottime_or_monotonic ();
+                return CLOCK_BOOTTIME;
 
         case CLOCK_REALTIME_ALARM:
                 return CLOCK_REALTIME;
diff --git a/src/systemd/src/basic/util.c b/src/systemd/src/basic/util.c
index ea1bed7ceb..b70c50047f 100644
--- a/src/systemd/src/basic/util.c
+++ b/src/systemd/src/basic/util.c
@@ -55,6 +55,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "time-util.h"
+#include "umask-util.h"
 #include "user-util.h"
 #include "util.h"
 
@@ -419,13 +420,17 @@ int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *pa
                         _exit(EXIT_FAILURE);
                 }
 
-                if (!stdout_is_tty)
-                        dup2(fd, STDOUT_FILENO);
+                if (!stdout_is_tty && dup2(fd, STDOUT_FILENO) < 0) {
+                        log_error_errno(errno, "Failed to dup2 /dev/tty: %m");
+                        _exit(EXIT_FAILURE);
+                }
 
-                if (!stderr_is_tty)
-                        dup2(fd, STDERR_FILENO);
+                if (!stderr_is_tty && dup2(fd, STDERR_FILENO) < 0) {
+                        log_error_errno(errno, "Failed to dup2 /dev/tty: %m");
+                        _exit(EXIT_FAILURE);
+                }
 
-                if (fd > 2)
+                if (fd > STDERR_FILENO)
                         close(fd);
         }
 
@@ -773,15 +778,25 @@ uint64_t physical_memory(void) {
         return (uint64_t) mem * (uint64_t) page_size();
 }
 
-int update_reboot_param_file(const char *param) {
-        int r = 0;
+int update_reboot_parameter_and_warn(const char *param) {
+        int r;
+
+        if (isempty(param)) {
+                if (unlink("/run/systemd/reboot-param") < 0) {
+                        if (errno == ENOENT)
+                                return 0;
+
+                        return log_warning_errno(errno, "Failed to unlink reboot parameter file: %m");
+                }
 
-        if (param) {
-                r = write_string_file(REBOOT_PARAM_FILE, param, WRITE_STRING_FILE_CREATE);
+                return 0;
+        }
+
+        RUN_WITH_UMASK(0022) {
+                r = write_string_file("/run/systemd/reboot-param", param, WRITE_STRING_FILE_CREATE);
                 if (r < 0)
-                        return log_error_errno(r, "Failed to write reboot param to "REBOOT_PARAM_FILE": %m");
-        } else
-                (void) unlink(REBOOT_PARAM_FILE);
+                        return log_warning_errno(r, "Failed to write reboot parameter file: %m");
+        }
 
         return 0;
 }
diff --git a/src/systemd/src/basic/util.h b/src/systemd/src/basic/util.h
index 286db05159..1c032c15c9 100644
--- a/src/systemd/src/basic/util.h
+++ b/src/systemd/src/basic/util.h
@@ -184,6 +184,6 @@ int namespace_enter(int pidns_fd, int mntns_fd, int netns_fd, int userns_fd, int
 
 uint64_t physical_memory(void);
 
-int update_reboot_param_file(const char *param);
+int update_reboot_parameter_and_warn(const char *param);
 
 int version(void);
diff --git a/src/systemd/src/libsystemd-network/dhcp-identifier.h b/src/systemd/src/libsystemd-network/dhcp-identifier.h
index babae15c5b..e6486b78f8 100644
--- a/src/systemd/src/libsystemd-network/dhcp-identifier.h
+++ b/src/systemd/src/libsystemd-network/dhcp-identifier.h
@@ -75,7 +75,7 @@ int dhcp_identifier_set_iaid(int ifindex, uint8_t *mac, size_t mac_len, void *_i
 static inline int dhcp_validate_duid_len(uint16_t duid_type, size_t duid_len) {
         struct duid d;
 
-        assert_return(duid_len > 0 && duid_len <= MAX_DUID_LEN, -EINVAL);
+        assert(duid_len > 0);
 
         switch (duid_type) {
         case DUID_TYPE_LLT:
@@ -95,6 +95,8 @@ static inline int dhcp_validate_duid_len(uint16_t duid_type, size_t duid_len) {
                         return -EINVAL;
                 break;
         default:
+                if (duid_len > sizeof(d.raw))
+                        return -EINVAL;
                 /* accept unknown type in order to be forward compatible */
                 break;
         }
diff --git a/src/systemd/src/libsystemd-network/network-internal.c b/src/systemd/src/libsystemd-network/network-internal.c
index 0e2d757b2b..99b3a1d01f 100644
--- a/src/systemd/src/libsystemd-network/network-internal.c
+++ b/src/systemd/src/libsystemd-network/network-internal.c
@@ -355,8 +355,9 @@ int config_parse_iaid(const char *unit,
 
         r = safe_atou32(rvalue, &iaid);
         if (r < 0) {
-                log_syntax(unit, LOG_ERR, filename, line, 0, "Unable to read IAID: %s", rvalue);
-                return r;
+                log_syntax(unit, LOG_ERR, filename, line, r,
+                           "Unable to read IAID, ignoring assignment: %s", rvalue);
+                return 0;
         }
 
         *((uint32_t *)data) = iaid;
diff --git a/src/systemd/src/libsystemd/sd-event/sd-event.c b/src/systemd/src/libsystemd/sd-event/sd-event.c
index 841358ed03..79b98c293c 100644
--- a/src/systemd/src/libsystemd/sd-event/sd-event.c
+++ b/src/systemd/src/libsystemd/sd-event/sd-event.c
@@ -1145,8 +1145,7 @@ _public_ int sd_event_add_signal(
         int r;
 
         assert_return(e, -EINVAL);
-        assert_return(sig > 0, -EINVAL);
-        assert_return(sig < _NSIG, -EINVAL);
+        assert_return(SIGNAL_VALID(sig), -EINVAL);
         assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
         assert_return(!event_pid_changed(e), -ECHILD);
 
@@ -2200,7 +2199,7 @@ static int process_signal(sd_event *e, struct signal_data *d, uint32_t events) {
                 if (_unlikely_(n != sizeof(si)))
                         return -EIO;
 
-                assert(si.ssi_signo < _NSIG);
+                assert(SIGNAL_VALID(si.ssi_signo));
 
                 read_one = true;
 
@@ -2528,7 +2527,7 @@ _public_ int sd_event_wait(sd_event *e, uint64_t timeout) {
         }
 
         dual_timestamp_get(&e->timestamp);
-        e->timestamp_boottime = now(CLOCK_BOOTTIME);
+        e->timestamp_boottime = now(clock_boottime_or_monotonic());
 
         for (i = 0; i < m; i++) {
 
diff --git a/src/systemd/src/systemd/sd-lldp.h b/src/systemd/src/systemd/sd-lldp.h
index 4f2a3b50c0..5772d5794a 100644
--- a/src/systemd/src/systemd/sd-lldp.h
+++ b/src/systemd/src/systemd/sd-lldp.h
@@ -33,20 +33,18 @@ _SD_BEGIN_DECLARATIONS;
 typedef struct sd_lldp sd_lldp;
 typedef struct sd_lldp_neighbor sd_lldp_neighbor;
 
-#define SD_LLDP_MULTICAST_ADDR     { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e }
-
 /* IEEE 802.3AB Clause 9: TLV Types */
 enum {
-        SD_LLDP_TYPE_END                  =   0,
-        SD_LLDP_TYPE_CHASSIS_ID           =   1,
-        SD_LLDP_TYPE_PORT_ID              =   2,
-        SD_LLDP_TYPE_TTL                  =   3,
-        SD_LLDP_TYPE_PORT_DESCRIPTION     =   4,
-        SD_LLDP_TYPE_SYSTEM_NAME          =   5,
-        SD_LLDP_TYPE_SYSTEM_DESCRIPTION   =   6,
-        SD_LLDP_TYPE_SYSTEM_CAPABILITIES  =   7,
-        SD_LLDP_TYPE_MGMT_ADDRESS         =   8,
-        SD_LLDP_TYPE_PRIVATE              =   127,
+        SD_LLDP_TYPE_END                 = 0,
+        SD_LLDP_TYPE_CHASSIS_ID          = 1,
+        SD_LLDP_TYPE_PORT_ID             = 2,
+        SD_LLDP_TYPE_TTL                 = 3,
+        SD_LLDP_TYPE_PORT_DESCRIPTION    = 4,
+        SD_LLDP_TYPE_SYSTEM_NAME         = 5,
+        SD_LLDP_TYPE_SYSTEM_DESCRIPTION  = 6,
+        SD_LLDP_TYPE_SYSTEM_CAPABILITIES = 7,
+        SD_LLDP_TYPE_MGMT_ADDRESS        = 8,
+        SD_LLDP_TYPE_PRIVATE             = 127,
 };
 
 /* IEEE 802.3AB Clause 9.5.2: Chassis subtypes */
@@ -63,28 +61,28 @@ enum {
 
 /* IEEE 802.3AB Clause 9.5.3: Port subtype */
 enum {
-        SD_LLDP_PORT_SUBTYPE_RESERVED           = 0,
-        SD_LLDP_PORT_SUBTYPE_INTERFACE_ALIAS    = 1,
-        SD_LLDP_PORT_SUBTYPE_PORT_COMPONENT     = 2,
-        SD_LLDP_PORT_SUBTYPE_MAC_ADDRESS        = 3,
-        SD_LLDP_PORT_SUBTYPE_NETWORK_ADDRESS    = 4,
-        SD_LLDP_PORT_SUBTYPE_INTERFACE_NAME     = 5,
-        SD_LLDP_PORT_SUBTYPE_AGENT_CIRCUIT_ID   = 6,
-        SD_LLDP_PORT_SUBTYPE_LOCALLY_ASSIGNED   = 7,
+        SD_LLDP_PORT_SUBTYPE_RESERVED         = 0,
+        SD_LLDP_PORT_SUBTYPE_INTERFACE_ALIAS  = 1,
+        SD_LLDP_PORT_SUBTYPE_PORT_COMPONENT   = 2,
+        SD_LLDP_PORT_SUBTYPE_MAC_ADDRESS      = 3,
+        SD_LLDP_PORT_SUBTYPE_NETWORK_ADDRESS  = 4,
+        SD_LLDP_PORT_SUBTYPE_INTERFACE_NAME   = 5,
+        SD_LLDP_PORT_SUBTYPE_AGENT_CIRCUIT_ID = 6,
+        SD_LLDP_PORT_SUBTYPE_LOCALLY_ASSIGNED = 7,
 };
 
 enum {
-        SD_LLDP_SYSTEM_CAPABILITIES_OTHER        = 1 << 0,
-        SD_LLDP_SYSTEM_CAPABILITIES_REPEATER     = 1 << 1,
-        SD_LLDP_SYSTEM_CAPABILITIES_BRIDGE       = 1 << 2,
-        SD_LLDP_SYSTEM_CAPABILITIES_WLAN_AP      = 1 << 3,
-        SD_LLDP_SYSTEM_CAPABILITIES_ROUTER       = 1 << 4,
-        SD_LLDP_SYSTEM_CAPABILITIES_PHONE        = 1 << 5,
-        SD_LLDP_SYSTEM_CAPABILITIES_DOCSIS       = 1 << 6,
-        SD_LLDP_SYSTEM_CAPABILITIES_STATION      = 1 << 7,
-        SD_LLDP_SYSTEM_CAPABILITIES_CVLAN        = 1 << 8,
-        SD_LLDP_SYSTEM_CAPABILITIES_SVLAN        = 1 << 9,
-        SD_LLDP_SYSTEM_CAPABILITIES_TPMR         = 1 << 10,
+        SD_LLDP_SYSTEM_CAPABILITIES_OTHER    = 1 << 0,
+        SD_LLDP_SYSTEM_CAPABILITIES_REPEATER = 1 << 1,
+        SD_LLDP_SYSTEM_CAPABILITIES_BRIDGE   = 1 << 2,
+        SD_LLDP_SYSTEM_CAPABILITIES_WLAN_AP  = 1 << 3,
+        SD_LLDP_SYSTEM_CAPABILITIES_ROUTER   = 1 << 4,
+        SD_LLDP_SYSTEM_CAPABILITIES_PHONE    = 1 << 5,
+        SD_LLDP_SYSTEM_CAPABILITIES_DOCSIS   = 1 << 6,
+        SD_LLDP_SYSTEM_CAPABILITIES_STATION  = 1 << 7,
+        SD_LLDP_SYSTEM_CAPABILITIES_CVLAN    = 1 << 8,
+        SD_LLDP_SYSTEM_CAPABILITIES_SVLAN    = 1 << 9,
+        SD_LLDP_SYSTEM_CAPABILITIES_TPMR     = 1 << 10,
 };
 
 #define SD_LLDP_SYSTEM_CAPABILITIES_ALL ((uint16_t) -1)
@@ -100,18 +98,17 @@ enum {
           SD_LLDP_SYSTEM_CAPABILITIES_SVLAN|                            \
           SD_LLDP_SYSTEM_CAPABILITIES_TPMR))
 
-
 #define SD_LLDP_OUI_802_1 (uint8_t[]) { 0x00, 0x80, 0xc2 }
 #define SD_LLDP_OUI_802_3 (uint8_t[]) { 0x00, 0x12, 0x0f }
 
 enum {
-        SD_LLDP_OUI_802_1_SUBTYPE_PORT_VLAN_ID            = 1,
-        SD_LLDP_OUI_802_1_SUBTYPE_PORT_PROTOCOL_VLAN_ID   = 2,
-        SD_LLDP_OUI_802_1_SUBTYPE_VLAN_NAME               = 3,
-        SD_LLDP_OUI_802_1_SUBTYPE_PROTOCOL_IDENTITY       = 4,
-        SD_LLDP_OUI_802_1_SUBTYPE_VID_USAGE_DIGEST        = 5,
-        SD_LLDP_OUI_802_1_SUBTYPE_MANAGEMENT_VID          = 6,
-        SD_LLDP_OUI_802_1_SUBTYPE_LINK_AGGREGATION        = 7,
+        SD_LLDP_OUI_802_1_SUBTYPE_PORT_VLAN_ID          = 1,
+        SD_LLDP_OUI_802_1_SUBTYPE_PORT_PROTOCOL_VLAN_ID = 2,
+        SD_LLDP_OUI_802_1_SUBTYPE_VLAN_NAME             = 3,
+        SD_LLDP_OUI_802_1_SUBTYPE_PROTOCOL_IDENTITY     = 4,
+        SD_LLDP_OUI_802_1_SUBTYPE_VID_USAGE_DIGEST      = 5,
+        SD_LLDP_OUI_802_1_SUBTYPE_MANAGEMENT_VID        = 6,
+        SD_LLDP_OUI_802_1_SUBTYPE_LINK_AGGREGATION      = 7,
 };
 
 typedef enum sd_lldp_event {