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Copy pathsockets.c
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sockets.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Chris Vandomelen <[email protected]> |
| Sterling Hughes <[email protected]> |
| Jason Greene <[email protected]> |
| Gustavo Lopes <[email protected]> |
| WinSock: Daniel Beulshausen <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_network.h"
#include "ext/standard/file.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#ifdef PHP_WIN32
# include "windows_common.h"
# include <win32/inet.h>
# include <windows.h>
# include <Ws2tcpip.h>
# include "php_sockets.h"
# include <win32/sockets.h>
# include <win32/winutil.h>
#else
# include <sys/types.h>
# include <sys/socket.h>
# include <netdb.h>
# include <netinet/in.h>
# include <netinet/tcp.h>
# include <sys/un.h>
# include <arpa/inet.h>
# include <sys/time.h>
# include <unistd.h>
# include <errno.h>
# include <fcntl.h>
# include <signal.h>
# include <sys/uio.h>
# define IS_INVALID_SOCKET(a) (a->bsd_socket < 0)
# define set_errno(a) (errno = a)
# include "php_sockets.h"
# if HAVE_IF_NAMETOINDEX
# include <net/if.h>
# endif
#endif
#include <stddef.h>
#include "sockaddr_conv.h"
#include "multicast.h"
#include "sendrecvmsg.h"
#include "sockets_arginfo.h"
ZEND_DECLARE_MODULE_GLOBALS(sockets)
#ifndef MSG_WAITALL
#ifdef LINUX
#define MSG_WAITALL 0x00000100
#else
#define MSG_WAITALL 0x00000000
#endif
#endif
#ifndef MSG_EOF
#ifdef MSG_FIN
#define MSG_EOF MSG_FIN
#endif
#endif
#ifndef SUN_LEN
#define SUN_LEN(su) (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
#endif
#ifndef PF_INET
#define PF_INET AF_INET
#endif
#define PHP_NORMAL_READ 0x0001
#define PHP_BINARY_READ 0x0002
static int le_socket;
#define le_socket_name php_sockets_le_socket_name
static int le_addrinfo;
#define le_addrinfo_name php_sockets_le_addrinfo_name
static PHP_GINIT_FUNCTION(sockets);
static PHP_GSHUTDOWN_FUNCTION(sockets);
static PHP_MINIT_FUNCTION(sockets);
static PHP_MSHUTDOWN_FUNCTION(sockets);
static PHP_MINFO_FUNCTION(sockets);
static PHP_RSHUTDOWN_FUNCTION(sockets);
PHP_FUNCTION(socket_select);
PHP_FUNCTION(socket_create_listen);
#ifdef HAVE_SOCKETPAIR
PHP_FUNCTION(socket_create_pair);
#endif
PHP_FUNCTION(socket_accept);
PHP_FUNCTION(socket_set_nonblock);
PHP_FUNCTION(socket_set_block);
PHP_FUNCTION(socket_listen);
PHP_FUNCTION(socket_close);
PHP_FUNCTION(socket_write);
PHP_FUNCTION(socket_read);
PHP_FUNCTION(socket_getsockname);
PHP_FUNCTION(socket_getpeername);
PHP_FUNCTION(socket_create);
PHP_FUNCTION(socket_connect);
PHP_FUNCTION(socket_strerror);
PHP_FUNCTION(socket_bind);
PHP_FUNCTION(socket_recv);
PHP_FUNCTION(socket_send);
PHP_FUNCTION(socket_recvfrom);
PHP_FUNCTION(socket_sendto);
PHP_FUNCTION(socket_get_option);
PHP_FUNCTION(socket_set_option);
#ifdef HAVE_SHUTDOWN
PHP_FUNCTION(socket_shutdown);
#endif
PHP_FUNCTION(socket_last_error);
PHP_FUNCTION(socket_clear_error);
PHP_FUNCTION(socket_import_stream);
PHP_FUNCTION(socket_export_stream);
PHP_FUNCTION(socket_addrinfo_lookup);
PHP_FUNCTION(socket_addrinfo_connect);
PHP_FUNCTION(socket_addrinfo_bind);
PHP_FUNCTION(socket_addrinfo_explain);
#ifdef PHP_WIN32
PHP_FUNCTION(socket_wsaprotocol_info_export);
PHP_FUNCTION(socket_wsaprotocol_info_import);
PHP_FUNCTION(socket_wsaprotocol_info_release);
#endif
/* {{{ sockets_functions[]
*/
static const zend_function_entry sockets_functions[] = {
PHP_FE(socket_select, arginfo_socket_select)
PHP_FE(socket_create, arginfo_socket_create)
PHP_FE(socket_create_listen, arginfo_socket_create_listen)
#ifdef HAVE_SOCKETPAIR
PHP_FE(socket_create_pair, arginfo_socket_create_pair)
#endif
PHP_FE(socket_accept, arginfo_socket_accept)
PHP_FE(socket_set_nonblock, arginfo_socket_set_nonblock)
PHP_FE(socket_set_block, arginfo_socket_set_block)
PHP_FE(socket_listen, arginfo_socket_listen)
PHP_FE(socket_close, arginfo_socket_close)
PHP_FE(socket_write, arginfo_socket_write)
PHP_FE(socket_read, arginfo_socket_read)
PHP_FE(socket_getsockname, arginfo_socket_getsockname)
PHP_FE(socket_getpeername, arginfo_socket_getpeername)
PHP_FE(socket_connect, arginfo_socket_connect)
PHP_FE(socket_strerror, arginfo_socket_strerror)
PHP_FE(socket_bind, arginfo_socket_bind)
PHP_FE(socket_recv, arginfo_socket_recv)
PHP_FE(socket_send, arginfo_socket_send)
PHP_FE(socket_recvfrom, arginfo_socket_recvfrom)
PHP_FE(socket_sendto, arginfo_socket_sendto)
PHP_FE(socket_get_option, arginfo_socket_get_option)
PHP_FE(socket_set_option, arginfo_socket_set_option)
#ifdef HAVE_SHUTDOWN
PHP_FE(socket_shutdown, arginfo_socket_shutdown)
#endif
PHP_FE(socket_last_error, arginfo_socket_last_error)
PHP_FE(socket_clear_error, arginfo_socket_clear_error)
PHP_FE(socket_import_stream, arginfo_socket_import_stream)
PHP_FE(socket_export_stream, arginfo_socket_export_stream)
PHP_FE(socket_sendmsg, arginfo_socket_sendmsg)
PHP_FE(socket_recvmsg, arginfo_socket_recvmsg)
PHP_FE(socket_cmsg_space, arginfo_socket_cmsg_space)
PHP_FE(socket_addrinfo_lookup, arginfo_socket_addrinfo_lookup)
PHP_FE(socket_addrinfo_connect, arginfo_socket_addrinfo_connect)
PHP_FE(socket_addrinfo_bind, arginfo_socket_addrinfo_bind)
PHP_FE(socket_addrinfo_explain, arginfo_socket_addrinfo_explain)
/* for downwards compatibility */
PHP_FALIAS(socket_getopt, socket_get_option, arginfo_socket_get_option)
PHP_FALIAS(socket_setopt, socket_set_option, arginfo_socket_set_option)
#ifdef PHP_WIN32
PHP_FE(socket_wsaprotocol_info_export, arginfo_socket_wsaprotocol_info_export)
PHP_FE(socket_wsaprotocol_info_import, arginfo_socket_wsaprotocol_info_import)
PHP_FE(socket_wsaprotocol_info_release, arginfo_socket_wsaprotocol_info_release)
#endif
PHP_FE_END
};
/* }}} */
zend_module_entry sockets_module_entry = {
STANDARD_MODULE_HEADER,
"sockets",
sockets_functions,
PHP_MINIT(sockets),
PHP_MSHUTDOWN(sockets),
NULL,
PHP_RSHUTDOWN(sockets),
PHP_MINFO(sockets),
PHP_SOCKETS_VERSION,
PHP_MODULE_GLOBALS(sockets),
PHP_GINIT(sockets),
PHP_GSHUTDOWN(sockets),
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
#ifdef COMPILE_DL_SOCKETS
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(sockets)
#endif
/* inet_ntop should be used instead of inet_ntoa */
int inet_ntoa_lock = 0;
PHP_SOCKETS_API int php_sockets_le_socket(void) /* {{{ */
{
return le_socket;
}
/* }}} */
/* allocating function to make programming errors due to uninitialized fields
* less likely */
PHP_SOCKETS_API php_socket *php_create_socket(void) /* {{{ */
{
php_socket *php_sock = emalloc(sizeof(php_socket));
php_sock->bsd_socket = -1; /* invalid socket */
php_sock->type = PF_UNSPEC;
php_sock->error = 0;
php_sock->blocking = 1;
ZVAL_UNDEF(&php_sock->zstream);
return php_sock;
}
/* }}} */
PHP_SOCKETS_API void php_destroy_socket(zend_resource *rsrc) /* {{{ */
{
php_socket *php_sock = rsrc->ptr;
if (Z_ISUNDEF(php_sock->zstream)) {
if (!IS_INVALID_SOCKET(php_sock)) {
close(php_sock->bsd_socket);
}
} else {
zval_ptr_dtor(&php_sock->zstream);
}
efree(php_sock);
}
/* }}} */
PHP_SOCKETS_API void php_destroy_addrinfo(zend_resource *rsrc) /* {{{ */
{
struct addrinfo *addr = rsrc->ptr;
efree(addr->ai_addr);
if (addr->ai_canonname != NULL) {
efree(addr->ai_canonname);
}
efree(addr);
}
/* }}} */
static int php_open_listen_sock(php_socket **php_sock, int port, int backlog) /* {{{ */
{
struct sockaddr_in la;
struct hostent *hp;
php_socket *sock = php_create_socket();
*php_sock = sock;
#ifndef PHP_WIN32
if ((hp = php_network_gethostbyname("0.0.0.0")) == NULL) {
#else
if ((hp = php_network_gethostbyname("localhost")) == NULL) {
#endif
efree(sock);
return 0;
}
memcpy((char *) &la.sin_addr, hp->h_addr, hp->h_length);
la.sin_family = hp->h_addrtype;
la.sin_port = htons((unsigned short) port);
sock->bsd_socket = socket(PF_INET, SOCK_STREAM, 0);
sock->blocking = 1;
if (IS_INVALID_SOCKET(sock)) {
PHP_SOCKET_ERROR(sock, "unable to create listening socket", errno);
efree(sock);
return 0;
}
sock->type = PF_INET;
if (bind(sock->bsd_socket, (struct sockaddr *)&la, sizeof(la)) != 0) {
PHP_SOCKET_ERROR(sock, "unable to bind to given address", errno);
close(sock->bsd_socket);
efree(sock);
return 0;
}
if (listen(sock->bsd_socket, backlog) != 0) {
PHP_SOCKET_ERROR(sock, "unable to listen on socket", errno);
close(sock->bsd_socket);
efree(sock);
return 0;
}
return 1;
}
/* }}} */
static int php_accept_connect(php_socket *in_sock, php_socket **new_sock, struct sockaddr *la, socklen_t *la_len) /* {{{ */
{
php_socket *out_sock = php_create_socket();
*new_sock = out_sock;
out_sock->bsd_socket = accept(in_sock->bsd_socket, la, la_len);
if (IS_INVALID_SOCKET(out_sock)) {
PHP_SOCKET_ERROR(out_sock, "unable to accept incoming connection", errno);
efree(out_sock);
return 0;
}
out_sock->error = 0;
out_sock->blocking = 1;
out_sock->type = la->sa_family;
return 1;
}
/* }}} */
/* {{{ php_read -- wrapper around read() so that it only reads to a \r or \n. */
static int php_read(php_socket *sock, void *buf, size_t maxlen, int flags)
{
int m = 0;
size_t n = 0;
int no_read = 0;
int nonblock = 0;
char *t = (char *) buf;
#ifndef PHP_WIN32
m = fcntl(sock->bsd_socket, F_GETFL);
if (m < 0) {
return m;
}
nonblock = (m & O_NONBLOCK);
m = 0;
#else
nonblock = !sock->blocking;
#endif
set_errno(0);
*t = '\0';
while (*t != '\n' && *t != '\r' && n < maxlen) {
if (m > 0) {
t++;
n++;
} else if (m == 0) {
no_read++;
if (nonblock && no_read >= 2) {
return n;
/* The first pass, m always is 0, so no_read becomes 1
* in the first pass. no_read becomes 2 in the second pass,
* and if this is nonblocking, we should return.. */
}
if (no_read > 200) {
set_errno(ECONNRESET);
return -1;
}
}
if (n < maxlen) {
m = recv(sock->bsd_socket, (void *) t, 1, flags);
}
if (errno != 0 && errno != ESPIPE && errno != EAGAIN) {
return -1;
}
set_errno(0);
}
if (n < maxlen) {
n++;
/* The only reasons it makes it to here is
* if '\n' or '\r' are encountered. So, increase
* the return by 1 to make up for the lack of the
* '\n' or '\r' in the count (since read() takes
* place at the end of the loop..) */
}
return n;
}
/* }}} */
char *sockets_strerror(int error) /* {{{ */
{
const char *buf;
#ifndef PHP_WIN32
if (error < -10000) {
error = -error - 10000;
#ifdef HAVE_HSTRERROR
buf = hstrerror(error);
#else
{
if (SOCKETS_G(strerror_buf)) {
efree(SOCKETS_G(strerror_buf));
}
spprintf(&(SOCKETS_G(strerror_buf)), 0, "Host lookup error %d", error);
buf = SOCKETS_G(strerror_buf);
}
#endif
} else {
buf = strerror(error);
}
#else
{
char *tmp = php_win32_error_to_msg(error);
buf = NULL;
if (tmp[0]) {
if (SOCKETS_G(strerror_buf)) {
efree(SOCKETS_G(strerror_buf));
}
SOCKETS_G(strerror_buf) = estrdup(tmp);
free(tmp);
buf = SOCKETS_G(strerror_buf);
}
}
#endif
return (buf ? (char *) buf : "");
}
/* }}} */
#ifdef PHP_WIN32
static void sockets_destroy_wsa_info(zval *data)
{/*{{{*/
HANDLE h = (HANDLE)Z_PTR_P(data);
CloseHandle(h);
}/*}}}*/
#endif
/* {{{ PHP_GINIT_FUNCTION */
static PHP_GINIT_FUNCTION(sockets)
{
#if defined(COMPILE_DL_SOCKETS) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
sockets_globals->last_error = 0;
sockets_globals->strerror_buf = NULL;
#ifdef PHP_WIN32
sockets_globals->wsa_child_count = 0;
zend_hash_init(&sockets_globals->wsa_info, 0, NULL, sockets_destroy_wsa_info, 1);
#endif
}
/* }}} */
/* {{{ PHP_GSHUTDOWN_FUNCTION */
static PHP_GSHUTDOWN_FUNCTION(sockets)
{
#ifdef PHP_WIN32
zend_hash_destroy(&sockets_globals->wsa_info);
#endif
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
static PHP_MINIT_FUNCTION(sockets)
{
#if defined(COMPILE_DL_SOCKETS) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
le_socket = zend_register_list_destructors_ex(php_destroy_socket, NULL, le_socket_name, module_number);
le_addrinfo = zend_register_list_destructors_ex(php_destroy_addrinfo, NULL, le_addrinfo_name, module_number);
REGISTER_LONG_CONSTANT("AF_UNIX", AF_UNIX, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("AF_INET", AF_INET, CONST_CS | CONST_PERSISTENT);
#if HAVE_IPV6
REGISTER_LONG_CONSTANT("AF_INET6", AF_INET6, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SOCK_STREAM", SOCK_STREAM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SOCK_DGRAM", SOCK_DGRAM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SOCK_RAW", SOCK_RAW, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SOCK_SEQPACKET",SOCK_SEQPACKET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SOCK_RDM", SOCK_RDM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSG_OOB", MSG_OOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSG_WAITALL", MSG_WAITALL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSG_CTRUNC", MSG_CTRUNC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSG_TRUNC", MSG_TRUNC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSG_PEEK", MSG_PEEK, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MSG_DONTROUTE", MSG_DONTROUTE, CONST_CS | CONST_PERSISTENT);
#ifdef MSG_EOR
REGISTER_LONG_CONSTANT("MSG_EOR", MSG_EOR, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_EOF
REGISTER_LONG_CONSTANT("MSG_EOF", MSG_EOF, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_CONFIRM
REGISTER_LONG_CONSTANT("MSG_CONFIRM", MSG_CONFIRM, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_ERRQUEUE
REGISTER_LONG_CONSTANT("MSG_ERRQUEUE", MSG_ERRQUEUE, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_NOSIGNAL
REGISTER_LONG_CONSTANT("MSG_NOSIGNAL", MSG_NOSIGNAL, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_DONTWAIT
REGISTER_LONG_CONSTANT("MSG_DONTWAIT", MSG_DONTWAIT, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_MORE
REGISTER_LONG_CONSTANT("MSG_MORE", MSG_MORE, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_WAITFORONE
REGISTER_LONG_CONSTANT("MSG_WAITFORONE",MSG_WAITFORONE, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef MSG_CMSG_CLOEXEC
REGISTER_LONG_CONSTANT("MSG_CMSG_CLOEXEC",MSG_CMSG_CLOEXEC,CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SO_DEBUG", SO_DEBUG, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_REUSEADDR", SO_REUSEADDR, CONST_CS | CONST_PERSISTENT);
#ifdef SO_REUSEPORT
REGISTER_LONG_CONSTANT("SO_REUSEPORT", SO_REUSEPORT, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SO_KEEPALIVE", SO_KEEPALIVE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_DONTROUTE", SO_DONTROUTE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_LINGER", SO_LINGER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_BROADCAST", SO_BROADCAST, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_OOBINLINE", SO_OOBINLINE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_SNDBUF", SO_SNDBUF, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_RCVBUF", SO_RCVBUF, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_SNDLOWAT", SO_SNDLOWAT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_RCVLOWAT", SO_RCVLOWAT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_SNDTIMEO", SO_SNDTIMEO, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_RCVTIMEO", SO_RCVTIMEO, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_TYPE", SO_TYPE, CONST_CS | CONST_PERSISTENT);
#ifdef SO_FAMILY
REGISTER_LONG_CONSTANT("SO_FAMILY", SO_FAMILY, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SO_ERROR", SO_ERROR, CONST_CS | CONST_PERSISTENT);
#ifdef SO_BINDTODEVICE
REGISTER_LONG_CONSTANT("SO_BINDTODEVICE", SO_BINDTODEVICE, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef SO_USER_COOKIE
REGISTER_LONG_CONSTANT("SO_LABEL", SO_LABEL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_PEERLABEL", SO_PEERLABEL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_LISTENQLIMIT", SO_LISTENQLIMIT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_LISTENQLEN", SO_LISTENQLEN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_USER_COOKIE", SO_USER_COOKIE, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SOL_SOCKET", SOL_SOCKET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SOMAXCONN", SOMAXCONN, CONST_CS | CONST_PERSISTENT);
#ifdef TCP_NODELAY
REGISTER_LONG_CONSTANT("TCP_NODELAY", TCP_NODELAY, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("PHP_NORMAL_READ", PHP_NORMAL_READ, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PHP_BINARY_READ", PHP_BINARY_READ, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_JOIN_GROUP", PHP_MCAST_JOIN_GROUP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_LEAVE_GROUP", PHP_MCAST_LEAVE_GROUP, CONST_CS | CONST_PERSISTENT);
#ifdef HAS_MCAST_EXT
REGISTER_LONG_CONSTANT("MCAST_BLOCK_SOURCE", PHP_MCAST_BLOCK_SOURCE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_UNBLOCK_SOURCE", PHP_MCAST_UNBLOCK_SOURCE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_JOIN_SOURCE_GROUP", PHP_MCAST_JOIN_SOURCE_GROUP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_LEAVE_SOURCE_GROUP", PHP_MCAST_LEAVE_SOURCE_GROUP, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("IP_MULTICAST_IF", IP_MULTICAST_IF, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IP_MULTICAST_TTL", IP_MULTICAST_TTL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IP_MULTICAST_LOOP", IP_MULTICAST_LOOP, CONST_CS | CONST_PERSISTENT);
#if HAVE_IPV6
REGISTER_LONG_CONSTANT("IPV6_MULTICAST_IF", IPV6_MULTICAST_IF, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IPV6_MULTICAST_HOPS", IPV6_MULTICAST_HOPS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("IPV6_MULTICAST_LOOP", IPV6_MULTICAST_LOOP, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef IPV6_V6ONLY
REGISTER_LONG_CONSTANT("IPV6_V6ONLY", IPV6_V6ONLY, CONST_CS | CONST_PERSISTENT);
#endif
#ifndef WIN32
# include "unix_socket_constants.h"
#else
# include "win32_socket_constants.h"
#endif
REGISTER_LONG_CONSTANT("IPPROTO_IP", IPPROTO_IP, CONST_CS | CONST_PERSISTENT);
#if HAVE_IPV6
REGISTER_LONG_CONSTANT("IPPROTO_IPV6", IPPROTO_IPV6, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("SOL_TCP", IPPROTO_TCP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SOL_UDP", IPPROTO_UDP, CONST_CS | CONST_PERSISTENT);
#if HAVE_IPV6
REGISTER_LONG_CONSTANT("IPV6_UNICAST_HOPS", IPV6_UNICAST_HOPS, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("AI_PASSIVE", AI_PASSIVE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("AI_CANONNAME", AI_CANONNAME, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("AI_NUMERICHOST", AI_NUMERICHOST, CONST_CS | CONST_PERSISTENT);
#if HAVE_AI_V4MAPPED
REGISTER_LONG_CONSTANT("AI_V4MAPPED", AI_V4MAPPED, CONST_CS | CONST_PERSISTENT);
#endif
#if HAVE_AI_ALL
REGISTER_LONG_CONSTANT("AI_ALL", AI_ALL, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("AI_ADDRCONFIG", AI_ADDRCONFIG, CONST_CS | CONST_PERSISTENT);
#if HAVE_AI_IDN
REGISTER_LONG_CONSTANT("AI_IDN", AI_IDN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("AI_CANONIDN", AI_CANONIDN, CONST_CS | CONST_PERSISTENT);
#endif
#ifdef AI_NUMERICSERV
REGISTER_LONG_CONSTANT("AI_NUMERICSERV", AI_NUMERICSERV, CONST_CS | CONST_PERSISTENT);
#endif
php_socket_sendrecvmsg_init(INIT_FUNC_ARGS_PASSTHRU);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
static PHP_MSHUTDOWN_FUNCTION(sockets)
{
php_socket_sendrecvmsg_shutdown(SHUTDOWN_FUNC_ARGS_PASSTHRU);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
static PHP_MINFO_FUNCTION(sockets)
{
php_info_print_table_start();
php_info_print_table_row(2, "Sockets Support", "enabled");
php_info_print_table_end();
}
/* }}} */
/* {{{ PHP_RSHUTDOWN_FUNCTION */
static PHP_RSHUTDOWN_FUNCTION(sockets)
{
if (SOCKETS_G(strerror_buf)) {
efree(SOCKETS_G(strerror_buf));
SOCKETS_G(strerror_buf) = NULL;
}
return SUCCESS;
}
/* }}} */
static int php_sock_array_to_fd_set(zval *sock_array, fd_set *fds, PHP_SOCKET *max_fd) /* {{{ */
{
zval *element;
php_socket *php_sock;
int num = 0;
if (Z_TYPE_P(sock_array) != IS_ARRAY) return 0;
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(sock_array), element) {
ZVAL_DEREF(element);
php_sock = (php_socket*) zend_fetch_resource_ex(element, le_socket_name, le_socket);
if (!php_sock) return -1; /* If element is not a resource, bail out */
PHP_SAFE_FD_SET(php_sock->bsd_socket, fds);
if (php_sock->bsd_socket > *max_fd) {
*max_fd = php_sock->bsd_socket;
}
num++;
} ZEND_HASH_FOREACH_END();
return num ? 1 : 0;
}
/* }}} */
static int php_sock_array_from_fd_set(zval *sock_array, fd_set *fds) /* {{{ */
{
zval *element;
zval *dest_element;
php_socket *php_sock;
zval new_hash;
int num = 0;
zend_ulong num_key;
zend_string *key;
if (Z_TYPE_P(sock_array) != IS_ARRAY) return 0;
array_init(&new_hash);
ZEND_HASH_FOREACH_KEY_VAL(Z_ARRVAL_P(sock_array), num_key, key, element) {
ZVAL_DEREF(element);
php_sock = (php_socket*) zend_fetch_resource_ex(element, le_socket_name, le_socket);
ZEND_ASSERT(php_sock); /* element is supposed to be resource */
if (PHP_SAFE_FD_ISSET(php_sock->bsd_socket, fds)) {
/* Add fd to new array */
if (key) {
dest_element = zend_hash_add(Z_ARRVAL(new_hash), key, element);
} else {
dest_element = zend_hash_index_update(Z_ARRVAL(new_hash), num_key, element);
}
if (dest_element) {
Z_ADDREF_P(dest_element);
}
}
num++;
} ZEND_HASH_FOREACH_END();
/* Destroy old array, add new one */
zval_ptr_dtor(sock_array);
ZVAL_COPY_VALUE(sock_array, &new_hash);
return num ? 1 : 0;
}
/* }}} */
/* {{{ proto int socket_select(array &read_fds, array &write_fds, array &except_fds, int tv_sec[, int tv_usec])
Runs the select() system call on the sets mentioned with a timeout specified by tv_sec and tv_usec */
PHP_FUNCTION(socket_select)
{
zval *r_array, *w_array, *e_array;
struct timeval tv;
struct timeval *tv_p = NULL;
fd_set rfds, wfds, efds;
PHP_SOCKET max_fd = 0;
int retval, sets = 0;
zend_long sec, usec = 0;
zend_bool sec_is_null = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "a!a!a!l!|l", &r_array, &w_array, &e_array, &sec, &sec_is_null, &usec) == FAILURE) {
return;
}
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
if (r_array != NULL) {
sets += retval = php_sock_array_to_fd_set(r_array, &rfds, &max_fd);
if (retval == -1) {
return;
}
}
if (w_array != NULL) {
sets += retval = php_sock_array_to_fd_set(w_array, &wfds, &max_fd);
if (retval == -1) {
return;
}
}
if (e_array != NULL) {
sets += retval = php_sock_array_to_fd_set(e_array, &efds, &max_fd);
if (retval == -1) {
return;
}
}
if (!sets) {
php_error_docref(NULL, E_WARNING, "no resource arrays were passed to select");
RETURN_FALSE;
}
PHP_SAFE_MAX_FD(max_fd, 0); /* someone needs to make this look more like stream_socket_select */
/* If seconds is not set to null, build the timeval, else we wait indefinitely */
if (!sec_is_null) {
/* Solaris + BSD do not like microsecond values which are >= 1 sec */
if (usec > 999999) {
tv.tv_sec = sec + (usec / 1000000);
tv.tv_usec = usec % 1000000;
} else {
tv.tv_sec = sec;
tv.tv_usec = usec;
}
tv_p = &tv;
}
retval = select(max_fd+1, &rfds, &wfds, &efds, tv_p);
if (retval == -1) {
SOCKETS_G(last_error) = errno;
php_error_docref(NULL, E_WARNING, "unable to select [%d]: %s", errno, sockets_strerror(errno));
RETURN_FALSE;
}
if (r_array != NULL) php_sock_array_from_fd_set(r_array, &rfds);
if (w_array != NULL) php_sock_array_from_fd_set(w_array, &wfds);
if (e_array != NULL) php_sock_array_from_fd_set(e_array, &efds);
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto resource socket_create_listen(int port[, int backlog])
Opens a socket on port to accept connections */
PHP_FUNCTION(socket_create_listen)
{
php_socket *php_sock;
zend_long port, backlog = 128;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|l", &port, &backlog) == FAILURE) {
return;
}
if (!php_open_listen_sock(&php_sock, port, backlog)) {
RETURN_FALSE;
}
php_sock->error = 0;
php_sock->blocking = 1;
RETURN_RES(zend_register_resource(php_sock, le_socket));
}
/* }}} */
/* {{{ proto resource socket_accept(resource socket)
Accepts a connection on the listening socket fd */
PHP_FUNCTION(socket_accept)
{
zval *arg1;
php_socket *php_sock, *new_sock;
php_sockaddr_storage sa;
socklen_t php_sa_len = sizeof(sa);
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
return;
}
if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
return;
}
if (!php_accept_connect(php_sock, &new_sock, (struct sockaddr*)&sa, &php_sa_len)) {
RETURN_FALSE;
}
RETURN_RES(zend_register_resource(new_sock, le_socket));
}
/* }}} */
/* {{{ proto bool socket_set_nonblock(resource socket)
Sets nonblocking mode on a socket resource */
PHP_FUNCTION(socket_set_nonblock)
{
zval *arg1;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
return;
}
if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
return;
}
if (!Z_ISUNDEF(php_sock->zstream)) {
php_stream *stream;
/* omit notice if resource doesn't exist anymore */
stream = zend_fetch_resource2_ex(&php_sock->zstream, NULL, php_file_le_stream(), php_file_le_pstream());
if (stream != NULL) {
if (php_stream_set_option(stream, PHP_STREAM_OPTION_BLOCKING, 0,
NULL) != -1) {
php_sock->blocking = 0;
RETURN_TRUE;
}
}
}
if (php_set_sock_blocking(php_sock->bsd_socket, 0) == SUCCESS) {
php_sock->blocking = 0;
RETURN_TRUE;
} else {
PHP_SOCKET_ERROR(php_sock, "unable to set nonblocking mode", errno);
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool socket_set_block(resource socket)
Sets blocking mode on a socket resource */
PHP_FUNCTION(socket_set_block)
{
zval *arg1;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
return;
}
if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
return;
}
/* if socket was created from a stream, give the stream a chance to take
* care of the operation itself, thereby allowing it to update its internal
* state */
if (!Z_ISUNDEF(php_sock->zstream)) {
php_stream *stream;
stream = zend_fetch_resource2_ex(&php_sock->zstream, NULL, php_file_le_stream(), php_file_le_pstream());
if (stream != NULL) {
if (php_stream_set_option(stream, PHP_STREAM_OPTION_BLOCKING, 1,
NULL) != -1) {
php_sock->blocking = 1;
RETURN_TRUE;
}
}
}
if (php_set_sock_blocking(php_sock->bsd_socket, 1) == SUCCESS) {
php_sock->blocking = 1;
RETURN_TRUE;
} else {
PHP_SOCKET_ERROR(php_sock, "unable to set blocking mode", errno);
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool socket_listen(resource socket[, int backlog])
Sets the maximum number of connections allowed to be waited for on the socket specified by fd */
PHP_FUNCTION(socket_listen)
{
zval *arg1;
php_socket *php_sock;
zend_long backlog = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &arg1, &backlog) == FAILURE) {
return;
}
if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
return;
}
if (listen(php_sock->bsd_socket, backlog) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to listen on socket", errno);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto void socket_close(resource socket)
Closes a file descriptor */
PHP_FUNCTION(socket_close)
{
zval *arg1;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
return;
}
if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
return;
}
if (!Z_ISUNDEF(php_sock->zstream)) {
php_stream *stream = NULL;
php_stream_from_zval_no_verify(stream, &php_sock->zstream);
if (stream != NULL) {
/* close & destroy stream, incl. removing it from the rsrc list;
* resource stored in php_sock->zstream will become invalid */
php_stream_free(stream,
PHP_STREAM_FREE_KEEP_RSRC | PHP_STREAM_FREE_CLOSE |
(stream->is_persistent?PHP_STREAM_FREE_CLOSE_PERSISTENT:0));