diff options
Diffstat (limited to 'main/network.c')
| -rw-r--r-- | main/network.c | 1093 |
1 files changed, 0 insertions, 1093 deletions
diff --git a/main/network.c b/main/network.c deleted file mode 100644 index 97b6c57f2d..0000000000 --- a/main/network.c +++ /dev/null @@ -1,1093 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2002 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Author: Stig Venaas <venaas@uninett.no> | - | Streams work by Wez Furlong <wez@thebrainroom.com> | - +----------------------------------------------------------------------+ - */ -/* $Id$ */ - -/*#define DEBUG_MAIN_NETWORK 1*/ - -#include "php.h" - -#include <stddef.h> - -#ifdef PHP_WIN32 -#include <windows.h> -#include <winsock.h> -#define O_RDONLY _O_RDONLY -#include "win32/param.h" -#elif defined(NETWARE) -#ifdef NEW_LIBC -#include <sys/timeval.h> -#include <sys/param.h> -#else -#include "netware/time_nw.h" -#endif -#else -#include <sys/param.h> -#endif - -#include <sys/types.h> -#if HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif - -#ifndef _FCNTL_H -#include <fcntl.h> -#endif - -#ifdef HAVE_OPENSSL_EXT -#include <openssl/err.h> -#endif - -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif -#if HAVE_SYS_POLL_H -#include <sys/poll.h> -#endif - -#if defined(NETWARE) -#ifdef USE_WINSOCK -/*#include <ws2nlm.h>*/ -#include <novsock2.h> -#else -/* New headers for socket stuff */ -#ifdef NEW_LIBC -#include <netinet/in.h> -#include <netdb.h> -#include <sys/select.h> -#endif -#include <sys/socket.h> -#endif -#elif !defined(PHP_WIN32) -#include <netinet/in.h> -#include <netdb.h> -#if HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -#endif - -#ifndef HAVE_INET_ATON -int inet_aton(const char *, struct in_addr *); -#endif - -#include "php_network.h" - -#if defined(PHP_WIN32) || defined(__riscos__) || defined(NETWARE) -#undef AF_UNIX -#endif - -#if defined(AF_UNIX) -#include <sys/un.h> -#endif - -#include "ext/standard/file.h" - -#ifdef PHP_WIN32 -# define SOCK_ERR INVALID_SOCKET -# define SOCK_CONN_ERR SOCKET_ERROR -#else -# define SOCK_ERR -1 -# define SOCK_CONN_ERR -1 -#endif - -#ifdef HAVE_GETADDRINFO -#ifdef HAVE_GAI_STRERROR -# define PHP_GAI_STRERROR(x) (gai_strerror(x)) -#else -# define PHP_GAI_STRERROR(x) (php_gai_strerror(x)) -/* {{{ php_gai_strerror - */ -static char *php_gai_strerror(int code) -{ - static struct { - int code; - const char *msg; - } values[] = { -# ifdef EAI_ADDRFAMILY - {EAI_ADDRFAMILY, "Address family for hostname not supported"}, -# endif - {EAI_AGAIN, "Temporary failure in name resolution"}, - {EAI_BADFLAGS, "Bad value for ai_flags"}, - {EAI_FAIL, "Non-recoverable failure in name resolution"}, - {EAI_FAMILY, "ai_family not supported"}, - {EAI_MEMORY, "Memory allocation failure"}, -# ifdef EAI_NODATA - {EAI_NODATA, "No address associated with hostname"}, -# endif - {EAI_NONAME, "Name or service not known"}, - {EAI_SERVICE, "Servname not supported for ai_socktype"}, - {EAI_SOCKTYPE, "ai_socktype not supported"}, - {EAI_SYSTEM, "System error"}, - {0, NULL} - }; - int i; - - for (i = 0; values[i].msg != NULL; i++) { - if (values[i].code == code) { - return (char *)values[i].msg; - } - } - - return "Unknown error"; -} -/* }}} */ -#endif -#endif - -/* {{{ php_network_freeaddresses - */ -static void php_network_freeaddresses(struct sockaddr **sal) -{ - struct sockaddr **sap; - - if (sal == NULL) - return; - for (sap = sal; *sap != NULL; sap++) - efree(*sap); - efree(sal); -} -/* }}} */ - -/* {{{ php_network_getaddresses - * Returns number of addresses, 0 for none/error - */ -static int php_network_getaddresses(const char *host, struct sockaddr ***sal TSRMLS_DC) -{ - struct sockaddr **sap; - int n; - - if (host == NULL) { - return 0; - } - - { -#ifdef HAVE_GETADDRINFO - struct addrinfo hints, *res, *sai; - - memset(&hints, '\0', sizeof(hints)); -# ifdef HAVE_IPV6 - hints.ai_family = AF_UNSPEC; -# else - hints.ai_family = AF_INET; -# endif - if ((n = getaddrinfo(host, NULL, &hints, &res))) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_network_getaddresses: getaddrinfo failed: %s", PHP_GAI_STRERROR(n)); - return 0; - } else if (res == NULL) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_network_getaddresses: getaddrinfo failed (null result pointer)"); - return 0; - } - - sai = res; - for (n = 1; (sai = sai->ai_next) != NULL; n++); - *sal = emalloc((n + 1) * sizeof(*sal)); - sai = res; - sap = *sal; - do { - switch (sai->ai_family) { -# ifdef HAVE_IPV6 - case AF_INET6: - *sap = emalloc(sizeof(struct sockaddr_in6)); - *(struct sockaddr_in6 *)*sap = - *((struct sockaddr_in6 *)sai->ai_addr); - sap++; - break; -# endif - case AF_INET: - *sap = emalloc(sizeof(struct sockaddr_in)); - *(struct sockaddr_in *)*sap = - *((struct sockaddr_in *)sai->ai_addr); - sap++; - break; - } - } while ((sai = sai->ai_next) != NULL); - freeaddrinfo(res); -#else - struct hostent *host_info; - struct in_addr in; - - if (!inet_aton(host, &in)) { - /* XXX NOT THREAD SAFE */ - host_info = gethostbyname(host); - if (host_info == NULL) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_network_getaddresses: gethostbyname failed"); - return 0; - } - in = *((struct in_addr *) host_info->h_addr); - } - - *sal = emalloc(2 * sizeof(*sal)); - sap = *sal; - *sap = emalloc(sizeof(struct sockaddr_in)); - (*sap)->sa_family = AF_INET; - ((struct sockaddr_in *)*sap)->sin_addr = in; - sap++; - n = 1; -#endif - } - *sap = NULL; - return n; -} -/* }}} */ - -/* {{{ php_connect_nonb */ -PHPAPI int php_connect_nonb(int sockfd, - const struct sockaddr *addr, - socklen_t addrlen, - struct timeval *timeout) -{ - /* probably won't work on Win32, someone else might try it (read: fix it ;) */ - -#if (!defined(__BEOS__) && !defined(PHP_WIN32)) && (defined(O_NONBLOCK) || defined(O_NDELAY)) - -#ifndef O_NONBLOCK -#define O_NONBLOCK O_NDELAY -#endif - - int flags; - int n; - int error = 0; - socklen_t len; - int ret = 0; - fd_set rset; - fd_set wset; - - if (timeout == NULL) { - /* blocking mode */ - return connect(sockfd, addr, addrlen); - } - - flags = fcntl(sockfd, F_GETFL, 0); - fcntl(sockfd, F_SETFL, flags | O_NONBLOCK); - - if ((n = connect(sockfd, addr, addrlen)) < 0) { - if (errno != EINPROGRESS) { - return -1; - } - } - - if (n == 0) { - goto ok; - } - - FD_ZERO(&rset); - FD_SET(sockfd, &rset); - - wset = rset; - - if ((n = select(sockfd + 1, &rset, &wset, NULL, timeout)) == 0) { - error = ETIMEDOUT; - } - - if(FD_ISSET(sockfd, &rset) || FD_ISSET(sockfd, &wset)) { - len = sizeof(error); - /* - BSD-derived systems set errno correctly - Solaris returns -1 from getsockopt in case of error - */ - if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &error, &len) < 0) { - ret = -1; - } - } else { - /* whoops: sockfd has disappeared */ - ret = -1; - } - -ok: - fcntl(sockfd, F_SETFL, flags); - - if(error) { - errno = error; - ret = -1; - } - return ret; -#else /* !defined(PHP_WIN32) && ... */ -#ifdef PHP_WIN32 - return php_connect_nonb_win32((SOCKET) sockfd, addr, addrlen, timeout); -#endif - return connect(sockfd, addr, addrlen); -#endif -} -/* }}} */ - -#ifdef PHP_WIN32 -/* {{{ php_connect_nonb_win32 */ -PHPAPI int php_connect_nonb_win32(SOCKET sockfd, - const struct sockaddr *addr, - socklen_t addrlen, - struct timeval *timeout) -{ - int error = 0, error_len, ret; - u_long non_block = TRUE, block = FALSE; - - fd_set rset, wset; - - if (timeout == NULL) { - /* blocking mode */ - return connect(sockfd, addr, addrlen); - } - - /* Set the socket to be non-blocking */ - ioctlsocket(sockfd, FIONBIO, &non_block); - - if (connect(sockfd, addr, addrlen) == SOCKET_ERROR) { - if (WSAGetLastError() != WSAEWOULDBLOCK) { - return SOCKET_ERROR; - } - } - - FD_ZERO(&rset); - FD_SET(sockfd, &rset); - - FD_ZERO(&wset); - FD_SET(sockfd, &wset); - - if ((ret = select(sockfd + 1, &rset, &wset, NULL, timeout)) == 0) { - WSASetLastError(WSAETIMEDOUT); - return SOCKET_ERROR; - } - - if (ret == SOCKET_ERROR) { - return SOCKET_ERROR; - } - - if(FD_ISSET(sockfd, &rset) || FD_ISSET(sockfd, &wset)) { - error_len = sizeof(error); - if (getsockopt(sockfd, SOL_SOCKET, SO_ERROR, (char *) &error, &error_len) == SOCKET_ERROR) { - return SOCKET_ERROR; - } - } else { - /* whoops: sockfd has disappeared */ - return SOCKET_ERROR; - } - - /* Set the socket back to blocking */ - ioctlsocket(sockfd, FIONBIO, &block); - - if (error) { - WSASetLastError(error); - return SOCKET_ERROR; - } - - return 0; -} -/* }}} */ -#endif - -/* {{{ php_hostconnect - * Creates a socket of type socktype and connects to the given host and - * port, returns the created socket on success, else returns -1. - * timeout gives timeout in seconds, 0 means blocking mode. - */ -int php_hostconnect(const char *host, unsigned short port, int socktype, struct timeval *timeout TSRMLS_DC) -{ - int n, repeatto, s; - struct sockaddr **sal, **psal; - struct timeval individual_timeout; - int set_timeout = 0; -#ifdef PHP_WIN32 - int err; -#endif - - n = php_network_getaddresses(host, &sal TSRMLS_CC); - - if (n == 0) - return -1; - - if (timeout != NULL) { - /* is this a good idea? 5s? */ - repeatto = timeout->tv_sec / n > 5; - if (repeatto) { - individual_timeout.tv_sec = timeout->tv_sec / n; - } else { - individual_timeout.tv_sec = timeout->tv_sec; - } - - individual_timeout.tv_usec = timeout->tv_usec; - } else { - individual_timeout.tv_sec = 0; - individual_timeout.tv_usec = 0; - } - - /* Boolean indicating whether to pass a timeout */ - set_timeout = individual_timeout.tv_sec + individual_timeout.tv_usec; - - psal = sal; - while (*sal != NULL) { - s = socket((*sal)->sa_family, socktype, 0); - if (s != SOCK_ERR) { - switch ((*sal)->sa_family) { -#if defined( HAVE_GETADDRINFO ) && defined( HAVE_IPV6 ) - case AF_INET6: - { - struct sockaddr_in6 *sa = - (struct sockaddr_in6 *)*sal; - - sa->sin6_family = (*sal)->sa_family; - sa->sin6_port = htons(port); - if (php_connect_nonb(s, (struct sockaddr *) sa, - sizeof(*sa), (set_timeout) ? &individual_timeout : NULL) != SOCK_CONN_ERR) - goto ok; - } - break; -#endif - case AF_INET: - { - struct sockaddr_in *sa = - (struct sockaddr_in *)*sal; - - sa->sin_family = (*sal)->sa_family; - sa->sin_port = htons(port); - if (php_connect_nonb(s, (struct sockaddr *) sa, - sizeof(*sa), (set_timeout) ? &individual_timeout : NULL) != SOCK_CONN_ERR) - goto ok; - - } - break; - } -#ifdef PHP_WIN32 - /* Preserve the last error */ - err = WSAGetLastError(); -#endif - close (s); - } - sal++; - } - php_network_freeaddresses(psal); - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_hostconnect: connect failed"); - -#ifdef PHP_WIN32 - /* Restore the last error */ - WSASetLastError(err); -#endif - - return -1; - - ok: - php_network_freeaddresses(psal); - return s; -} -/* }}} */ - -/* {{{ php_any_addr - * Fills the any (wildcard) address into php_sockaddr_storage - */ -void php_any_addr(int family, php_sockaddr_storage *addr, unsigned short port) -{ - memset(addr, 0, sizeof(php_sockaddr_storage)); - switch (family) { -#ifdef HAVE_IPV6 - case AF_INET6: { - struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) addr; - sin6->sin6_family = AF_INET6; - sin6->sin6_port = htons(port); - sin6->sin6_addr = in6addr_any; - break; - } -#endif - case AF_INET: { - struct sockaddr_in *sin = (struct sockaddr_in *) addr; - sin->sin_family = AF_INET; - sin->sin_port = htons(port); - sin->sin_addr.s_addr = htonl(INADDR_ANY); - break; - } - } -} -/* }}} */ - -/* {{{ php_sockaddr_size - * Returns the size of struct sockaddr_xx for the family - */ -int php_sockaddr_size(php_sockaddr_storage *addr) -{ - switch (((struct sockaddr *)addr)->sa_family) { - case AF_INET: - return sizeof(struct sockaddr_in); -#ifdef HAVE_IPV6 - case AF_INET6: - return sizeof(struct sockaddr_in6); -#endif -#ifdef AF_UNIX - case AF_UNIX: - return sizeof(struct sockaddr_un); -#endif - default: - return 0; - } -} -/* }}} */ - -PHPAPI char *php_socket_strerror(long err, char *buf, size_t bufsize) -{ -#ifndef PHP_WIN32 - char *errstr; - - errstr = strerror(err); - if (buf == NULL) { - buf = estrdup(errstr); - } else { - strncpy(buf, errstr, bufsize); - } - return buf; -#else - char *sysbuf; - int free_it = 1; - - if (!FormatMessage( - FORMAT_MESSAGE_ALLOCATE_BUFFER | - FORMAT_MESSAGE_FROM_SYSTEM | - FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, - err, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), - (LPTSTR)&sysbuf, - 0, - NULL)) { - free_it = 0; - sysbuf = "Unknown Error"; - } - - if (buf == NULL) { - buf = estrdup(sysbuf); - } else { - strncpy(buf, sysbuf, bufsize); - } - - if (free_it) { - LocalFree(sysbuf); - } - - return buf; -#endif -} - -PHPAPI php_stream *_php_stream_sock_open_from_socket(int socket, const char *persistent_id STREAMS_DC TSRMLS_DC) -{ - php_stream *stream; - php_netstream_data_t *sock; - - sock = pemalloc(sizeof(php_netstream_data_t), persistent_id ? 1 : 0); - memset(sock, 0, sizeof(php_netstream_data_t)); - - sock->is_blocked = 1; - sock->timeout.tv_sec = FG(default_socket_timeout); - sock->socket = socket; - - stream = php_stream_alloc_rel(&php_stream_socket_ops, sock, persistent_id, "r+"); - stream->flags |= PHP_STREAM_FLAG_AVOID_BLOCKING; - - if (stream == NULL) - pefree(sock, persistent_id ? 1 : 0); - - return stream; -} - -PHPAPI php_stream *_php_stream_sock_open_host(const char *host, unsigned short port, - int socktype, struct timeval *timeout, const char *persistent_id STREAMS_DC TSRMLS_DC) -{ - int socket; - php_stream *stream; - - socket = php_hostconnect(host, port, socktype, timeout TSRMLS_CC); - - if (socket == -1) - return NULL; - - stream = php_stream_sock_open_from_socket_rel(socket, persistent_id); - - if (stream == NULL) - closesocket(socket); - - return stream; -} - -PHPAPI php_stream *_php_stream_sock_open_unix(const char *path, int pathlen, const char *persistent_id, - struct timeval *timeout STREAMS_DC TSRMLS_DC) -{ -#if defined(AF_UNIX) - int socketd; - struct sockaddr_un unix_addr; - php_stream *stream; - - socketd = socket(PF_UNIX, SOCK_STREAM, 0); - if (socketd == SOCK_ERR) - return NULL; - - memset(&unix_addr, 0, sizeof(unix_addr)); - unix_addr.sun_family = AF_UNIX; - - /* we need to be binary safe on systems that support an abstract - * namespace */ - if (pathlen >= sizeof(unix_addr.sun_path)) { - /* On linux, when the path begins with a NUL byte we are - * referring to an abstract namespace. In theory we should - * allow an extra byte below, since we don't need the NULL. - * BUT, to get into this branch of code, the name is too long, - * so we don't care. */ - pathlen = sizeof(unix_addr.sun_path) - 1; - } - - memcpy(unix_addr.sun_path, path, pathlen); - - if (php_connect_nonb(socketd, (struct sockaddr *) &unix_addr, sizeof(unix_addr), timeout) == SOCK_CONN_ERR) - return NULL; - - stream = php_stream_sock_open_from_socket_rel(socketd, persistent_id); - if (stream == NULL) - closesocket(socketd); - return stream; -#else - return NULL; -#endif -} - -#if HAVE_OPENSSL_EXT -PHPAPI int php_stream_sock_ssl_activate_with_method(php_stream *stream, int activate, SSL_METHOD *method, php_stream *session_stream TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - php_netstream_data_t *psock = NULL; - SSL_CTX *ctx = NULL; - - - if (!php_stream_is(stream, PHP_STREAM_IS_SOCKET)) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_stream_sock_ssl_activate_with_method: stream is not a network stream"); - return FAILURE; - } - - if (session_stream) { - if (!php_stream_is(session_stream, PHP_STREAM_IS_SOCKET)) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_stream_sock_ssl_activate_with_method: session_stream is not a network stream"); - return FAILURE; - } - psock = (php_netstream_data_t*)session_stream->abstract; - } - - if (activate == sock->ssl_active) - return SUCCESS; /* already in desired mode */ - - if (activate && sock->ssl_handle == NULL) { - ctx = SSL_CTX_new(method); - if (ctx == NULL) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_stream_sock_ssl_activate_with_method: failed to create an SSL context"); - return FAILURE; - } - - sock->ssl_handle = SSL_new(ctx); - if (sock->ssl_handle == NULL) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_stream_sock_ssl_activate_with_method: failed to create an SSL handle"); - SSL_CTX_free(ctx); - return FAILURE; - } - - SSL_set_fd(sock->ssl_handle, sock->socket); - - if (psock) { - SSL_copy_session_id(sock->ssl_handle, psock->ssl_handle); - } - } - - if (activate) { - if (SSL_connect(sock->ssl_handle) <= 0) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "php_stream_sock_ssl_activate_with_method: SSL handshake/connection failed"); - SSL_shutdown(sock->ssl_handle); - return FAILURE; - } - sock->ssl_active = activate; - } - else { - SSL_shutdown(sock->ssl_handle); - sock->ssl_active = 0; - } - return SUCCESS; -} - -#endif - - -PHPAPI int php_set_sock_blocking(int socketd, int block TSRMLS_DC) -{ - int ret = SUCCESS; - int flags; - int myflag = 0; - -#ifdef PHP_WIN32 - /* with ioctlsocket, a non-zero sets nonblocking, a zero sets blocking */ - flags = !block; - if (ioctlsocket(socketd, FIONBIO, &flags)==SOCKET_ERROR){ - php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", WSAGetLastError()); - ret = FALSE; - } -#else - flags = fcntl(socketd, F_GETFL); -#ifdef O_NONBLOCK - myflag = O_NONBLOCK; /* POSIX version */ -#elif defined(O_NDELAY) - myflag = O_NDELAY; /* old non-POSIX version */ -#endif - if (!block) { - flags |= myflag; - } else { - flags &= ~myflag; - } - fcntl(socketd, F_SETFL, flags); -#endif - return ret; -} - -#if HAVE_OPENSSL_EXT -static int handle_ssl_error(php_stream *stream, int nr_bytes TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - int err = SSL_get_error(sock->ssl_handle, nr_bytes); - char esbuf[512]; - char *ebuf = NULL, *wptr = NULL; - size_t ebuf_size = 0; - unsigned long code; - int retry = 1; - - switch(err) { - case SSL_ERROR_ZERO_RETURN: - /* SSL terminated (but socket may still be active) */ - retry = 0; - break; - case SSL_ERROR_WANT_READ: - case SSL_ERROR_WANT_WRITE: - /* re-negotiation, or perhaps the SSL layer needs more - * packets: retry in next iteration */ - break; - case SSL_ERROR_SYSCALL: - if (ERR_peek_error() == 0) { - if (nr_bytes == 0) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, - "SSL: fatal protocol error"); - stream->eof = 1; - retry = 0; - } else { - char *estr = php_socket_strerror(php_socket_errno(), NULL, 0); - - php_error_docref(NULL TSRMLS_CC, E_WARNING, - "SSL: %s", estr); - - efree(estr); - retry = 0; - } - break; - } - /* fall through */ - default: - /* some other error */ - while ((code = ERR_get_error()) != 0) { - /* allow room for a NUL and an optional \n */ - if (ebuf) { - esbuf[0] = '\n'; - esbuf[1] = '\0'; - ERR_error_string_n(code, esbuf + 1, sizeof(esbuf) - 2); - } else { - esbuf[0] = '\0'; - ERR_error_string_n(code, esbuf, sizeof(esbuf) - 1); - } - code = strlen(esbuf); - esbuf[code] = '\0'; - - ebuf = erealloc(ebuf, ebuf_size + code + 1); - if (wptr == NULL) { - wptr = ebuf; - } - - /* also copies the NUL */ - memcpy(wptr, esbuf, code + 1); - wptr += code; - } - - php_error_docref(NULL TSRMLS_CC, E_WARNING, - "SSL operation failed with code %d.%s%s", - err, - ebuf ? "OpenSSL Error messages:\n" : "", - ebuf ? ebuf : ""); - - retry = 0; - } - return retry; -} -#endif - - - -static size_t php_sockop_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - size_t didwrite; - -#if HAVE_OPENSSL_EXT - if (sock->ssl_active) { - int retry = 1; - - do { - didwrite = SSL_write(sock->ssl_handle, buf, count); - - if (didwrite <= 0) { - retry = handle_ssl_error(stream, didwrite TSRMLS_CC); - } else { - break; - } - } while(retry); - - } else -#endif - { - didwrite = send(sock->socket, buf, count, 0); - - if (didwrite <= 0) { - char *estr = php_socket_strerror(php_socket_errno(), NULL, 0); - - php_error_docref(NULL TSRMLS_CC, E_NOTICE, "send of %d bytes failed with errno=%d %s", - count, php_socket_errno(), estr); - efree(estr); - } - } - - if (didwrite > 0) - php_stream_notify_progress_increment(stream->context, didwrite, 0); - - return didwrite; -} - -#if ZEND_DEBUG && DEBUG_MAIN_NETWORK -static inline void dump_sock_state(char *msg, php_netstream_data_t *sock TSRMLS_DC) -{ - printf("%s: blocked=%d timeout_event=%d eof=%d inbuf=%d timeout=%d\n", msg, sock->is_blocked, sock->timeout_event, sock->eof, TOREAD(sock), sock->timeout); -} -# define DUMP_SOCK_STATE(msg, sock) dump_sock_state(msg, sock TSRMLS_CC) -#else -# define DUMP_SOCK_STATE(msg, sock) /* nothing */ -#endif - -static void php_sock_stream_wait_for_data(php_stream *stream, php_netstream_data_t *sock TSRMLS_DC) -{ - fd_set fdr, tfdr; - int retval; - struct timeval timeout, *ptimeout; - - FD_ZERO(&fdr); - FD_SET(sock->socket, &fdr); - sock->timeout_event = 0; - - if (sock->timeout.tv_sec == -1) - ptimeout = NULL; - else - ptimeout = &timeout; - - - while(1) { - tfdr = fdr; - timeout = sock->timeout; - -DUMP_SOCK_STATE("wait_for_data", sock); - - retval = select(sock->socket + 1, &tfdr, NULL, NULL, ptimeout); - - if (retval == 0) - sock->timeout_event = 1; - - if (retval >= 0) - break; - } -DUMP_SOCK_STATE("wait_for_data: done", sock); -} - -static size_t php_sockop_read(php_stream *stream, char *buf, size_t count TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - size_t nr_bytes = 0; - -#if HAVE_OPENSSL_EXT - if (sock->ssl_active) { - int retry = 1; - - do { - nr_bytes = SSL_read(sock->ssl_handle, buf, count); - - if (nr_bytes <= 0) { - retry = handle_ssl_error(stream, nr_bytes TSRMLS_CC); - if (retry == 0 && !SSL_pending(sock->ssl_handle)) { - stream->eof = 1; - } - } else { - /* we got the data */ - break; - } - } while (retry); - } - else -#endif - { - if (sock->is_blocked) { - php_sock_stream_wait_for_data(stream, sock TSRMLS_CC); - if (sock->timeout_event) - return 0; - } - - nr_bytes = recv(sock->socket, buf, count, 0); - - if (nr_bytes == 0 || (nr_bytes == -1 && php_socket_errno() != EWOULDBLOCK)) { - stream->eof = 1; - } - } - - if (nr_bytes > 0) - php_stream_notify_progress_increment(stream->context, nr_bytes, 0); - - return nr_bytes; -} - - -static int php_sockop_close(php_stream *stream, int close_handle TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - fd_set wrfds, efds; - int n; - - if (close_handle) { -#if HAVE_OPENSSL_EXT - if (sock->ssl_active) { - SSL_shutdown(sock->ssl_handle); - sock->ssl_active = 0; - } - if (sock->ssl_handle) { - SSL_free(sock->ssl_handle); - sock->ssl_handle = NULL; - } -#endif - - /* prevent more data from coming in */ - shutdown(sock->socket, SHUT_RD); - - /* make sure that the OS sends all data before we close the connection */ - do { - FD_ZERO(&wrfds); - FD_SET(sock->socket, &wrfds); - efds = wrfds; - - n = select(sock->socket + 1, NULL, &wrfds, &efds, NULL); - } while (n == -1 && php_socket_errno() == EINTR); - - closesocket(sock->socket); - - } - - pefree(sock, php_stream_is_persistent(stream)); - - return 0; -} - -static int php_sockop_flush(php_stream *stream TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - return fsync(sock->socket); -} - -static int php_sockop_stat(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - return fstat(sock->socket, &ssb->sb); -} - -static int php_sockop_set_option(php_stream *stream, int option, int value, void *ptrparam TSRMLS_DC) -{ - int oldmode; - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - - switch(option) { - case PHP_STREAM_OPTION_BLOCKING: - - oldmode = sock->is_blocked; - - /* no need to change anything */ - if (value == oldmode) - return oldmode; - - if (SUCCESS == php_set_sock_blocking(sock->socket, value TSRMLS_CC)) { - sock->is_blocked = value; - return oldmode; - } - - return PHP_STREAM_OPTION_RETURN_ERR; - - case PHP_STREAM_OPTION_READ_TIMEOUT: - sock->timeout = *(struct timeval*)ptrparam; - sock->timeout_event = 0; - return PHP_STREAM_OPTION_RETURN_OK; - - default: - return PHP_STREAM_OPTION_RETURN_NOTIMPL; - } -} - -static int php_sockop_cast(php_stream *stream, int castas, void **ret TSRMLS_DC) -{ - php_netstream_data_t *sock = (php_netstream_data_t*)stream->abstract; - - switch(castas) { - case PHP_STREAM_AS_STDIO: -#if HAVE_OPENSSL_EXT - if (sock->ssl_active) - return FAILURE; -#endif - if (ret) { - *ret = fdopen(sock->socket, stream->mode); - if (*ret) - return SUCCESS; - return FAILURE; - } - return SUCCESS; - case PHP_STREAM_AS_FD: - case PHP_STREAM_AS_SOCKETD: -#if HAVE_OPENSSL_EXT - if (sock->ssl_active) - return FAILURE; -#endif - if (ret) - *ret = (void*)sock->socket; - return SUCCESS; - default: - return FAILURE; - } -} - -php_stream_ops php_stream_socket_ops = { - php_sockop_write, php_sockop_read, - php_sockop_close, php_sockop_flush, - "socket", - NULL, /* seek */ - php_sockop_cast, - php_sockop_stat, - php_sockop_set_option, -}; - - - - -/* - * Local variables: - * tab-width: 8 - * c-basic-offset: 8 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |