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Copy pathsockets.c
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sockets.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2012 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]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if HAVE_SOCKETS
#include "php_network.h"
#include "ext/standard/file.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#ifdef PHP_WIN32
# include "win32/inet.h"
# include <winsock2.h>
# include <windows.h>
# include <Ws2tcpip.h>
# include "php_sockets.h"
# include "win32/sockets.h"
# define IS_INVALID_SOCKET(a) (a->bsd_socket == INVALID_SOCKET)
# ifdef EPROTONOSUPPORT
# undef EPROTONOSUPPORT
# endif
# ifdef ECONNRESET
# undef ECONNRESET
# endif
# define EPROTONOSUPPORT WSAEPROTONOSUPPORT
# define ECONNRESET WSAECONNRESET
# ifdef errno
# undef errno
# endif
# define errno WSAGetLastError()
# define h_errno WSAGetLastError()
# define set_errno(a) WSASetLastError(a)
# define close(a) closesocket(a)
# include <IPHlpApi.h>
# if _WIN32_WINNT >= 0x0600
# define HAVE_IF_NAMETOINDEX 1
# endif
#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 defined(_AIX) && !defined(HAVE_SA_SS_FAMILY)
# define ss_family __ss_family
# endif
# if HAVE_IF_NAMETOINDEX
# include <net/if.h>
# endif
#endif
#include "multicast.h"
ZEND_DECLARE_MODULE_GLOBALS(sockets)
static PHP_GINIT_FUNCTION(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
static char *php_strerror(int error TSRMLS_DC);
#define PHP_NORMAL_READ 0x0001
#define PHP_BINARY_READ 0x0002
#define PHP_SOCKET_ERROR(socket,msg,errn) socket->error = errn; \
SOCKETS_G(last_error) = errn; \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s [%d]: %s", msg, errn, php_strerror(errn TSRMLS_CC))
static int le_socket;
#define le_socket_name php_sockets_le_socket_name
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_select, 0, 0, 4)
ZEND_ARG_INFO(1, read_fds)
ZEND_ARG_INFO(1, write_fds)
ZEND_ARG_INFO(1, except_fds)
ZEND_ARG_INFO(0, tv_sec)
ZEND_ARG_INFO(0, tv_usec)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_create_listen, 0, 0, 1)
ZEND_ARG_INFO(0, port)
ZEND_ARG_INFO(0, backlog)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_accept, 0, 0, 1)
ZEND_ARG_INFO(0, socket)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_set_nonblock, 0, 0, 1)
ZEND_ARG_INFO(0, socket)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_set_block, 0, 0, 1)
ZEND_ARG_INFO(0, socket)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_listen, 0, 0, 1)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, backlog)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_close, 0, 0, 1)
ZEND_ARG_INFO(0, socket)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_write, 0, 0, 2)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, buf)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_read, 0, 0, 2)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, length)
ZEND_ARG_INFO(0, type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_getsockname, 0, 0, 2)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(1, addr)
ZEND_ARG_INFO(1, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_getpeername, 0, 0, 2)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(1, addr)
ZEND_ARG_INFO(1, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_create, 0, 0, 3)
ZEND_ARG_INFO(0, domain)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, protocol)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_connect, 0, 0, 2)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, addr)
ZEND_ARG_INFO(0, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_strerror, 0, 0, 1)
ZEND_ARG_INFO(0, errno)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_bind, 0, 0, 2)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, addr)
ZEND_ARG_INFO(0, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_recv, 0, 0, 4)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(1, buf)
ZEND_ARG_INFO(0, len)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_send, 0, 0, 4)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, buf)
ZEND_ARG_INFO(0, len)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_recvfrom, 0, 0, 5)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(1, buf)
ZEND_ARG_INFO(0, len)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(1, name)
ZEND_ARG_INFO(1, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_sendto, 0, 0, 5)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, buf)
ZEND_ARG_INFO(0, len)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, addr)
ZEND_ARG_INFO(0, port)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_get_option, 0, 0, 3)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, level)
ZEND_ARG_INFO(0, optname)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_set_option, 0, 0, 4)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, level)
ZEND_ARG_INFO(0, optname)
ZEND_ARG_INFO(0, optval)
ZEND_END_ARG_INFO()
#ifdef HAVE_SOCKETPAIR
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_create_pair, 0, 0, 4)
ZEND_ARG_INFO(0, domain)
ZEND_ARG_INFO(0, type)
ZEND_ARG_INFO(0, protocol)
ZEND_ARG_INFO(1, fd)
ZEND_END_ARG_INFO()
#endif
#ifdef HAVE_SHUTDOWN
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_shutdown, 0, 0, 1)
ZEND_ARG_INFO(0, socket)
ZEND_ARG_INFO(0, how)
ZEND_END_ARG_INFO()
#endif
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_last_error, 0, 0, 0)
ZEND_ARG_INFO(0, socket)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_clear_error, 0, 0, 0)
ZEND_ARG_INFO(0, socket)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_import_stream, 0, 0, 1)
ZEND_ARG_INFO(0, stream)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ sockets_functions[]
*/
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)
/* for downwards compatability */
PHP_FALIAS(socket_getopt, socket_get_option, arginfo_socket_get_option)
PHP_FALIAS(socket_setopt, socket_set_option, arginfo_socket_set_option)
PHP_FE_END
};
/* }}} */
zend_module_entry sockets_module_entry = {
STANDARD_MODULE_HEADER,
"sockets",
sockets_functions,
PHP_MINIT(sockets),
NULL,
NULL,
PHP_RSHUTDOWN(sockets),
PHP_MINFO(sockets),
NO_VERSION_YET,
PHP_MODULE_GLOBALS(sockets),
PHP_GINIT(sockets),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
#ifdef COMPILE_DL_SOCKETS
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 */
static php_socket *php_create_socket(void) /* {{{ */
{
php_socket *php_sock = emalloc(sizeof *php_sock);
php_sock->bsd_socket = -1; /* invalid socket */
php_sock->type = PF_UNSPEC;
php_sock->error = 0;
php_sock->blocking = 1;
php_sock->zstream = NULL;
return php_sock;
}
/* }}} */
static void php_destroy_socket(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
{
php_socket *php_sock = rsrc->ptr;
if (php_sock->zstream == NULL) {
if (!IS_INVALID_SOCKET(php_sock)) {
close(php_sock->bsd_socket);
}
} else {
zval_ptr_dtor(&php_sock->zstream);
}
efree(php_sock);
}
/* }}} */
static int php_open_listen_sock(php_socket **php_sock, int port, int backlog TSRMLS_DC) /* {{{ */
{
struct sockaddr_in la;
struct hostent *hp;
php_socket *sock = php_create_socket();
*php_sock = sock;
#ifndef PHP_WIN32
if ((hp = gethostbyname("0.0.0.0")) == NULL) {
#else
if ((hp = 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 TSRMLS_DC) /* {{{ */
{
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;
}
/* }}} */
static char *php_strerror(int error TSRMLS_DC) /* {{{ */
{
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
{
LPTSTR tmp = NULL;
buf = NULL;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &tmp, 0, NULL)
) {
if (SOCKETS_G(strerror_buf)) {
efree(SOCKETS_G(strerror_buf));
}
SOCKETS_G(strerror_buf) = estrdup(tmp);
LocalFree(tmp);
buf = SOCKETS_G(strerror_buf);
}
}
#endif
return (buf ? (char *) buf : "");
}
/* }}} */
#if HAVE_IPV6
/* Sets addr by hostname, or by ip in string form (AF_INET6) */
static int php_set_inet6_addr(struct sockaddr_in6 *sin6, char *string, php_socket *php_sock TSRMLS_DC) /* {{{ */
{
struct in6_addr tmp;
#if HAVE_GETADDRINFO
struct addrinfo hints;
struct addrinfo *addrinfo = NULL;
#endif
if (inet_pton(AF_INET6, string, &tmp)) {
memcpy(&(sin6->sin6_addr.s6_addr), &(tmp.s6_addr), sizeof(struct in6_addr));
} else {
#if HAVE_GETADDRINFO
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = PF_INET6;
getaddrinfo(string, NULL, &hints, &addrinfo);
if (!addrinfo) {
#ifdef PHP_WIN32
PHP_SOCKET_ERROR(php_sock, "Host lookup failed", WSAGetLastError());
#else
PHP_SOCKET_ERROR(php_sock, "Host lookup failed", (-10000 - h_errno));
#endif
return 0;
}
if (addrinfo->ai_family != PF_INET6 || addrinfo->ai_addrlen != sizeof(struct sockaddr_in6)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host lookup failed: Non AF_INET6 domain returned on AF_INET6 socket");
freeaddrinfo(addrinfo);
return 0;
}
memcpy(&(sin6->sin6_addr.s6_addr), ((struct sockaddr_in6*)(addrinfo->ai_addr))->sin6_addr.s6_addr, sizeof(struct in6_addr));
freeaddrinfo(addrinfo);
#else
/* No IPv6 specific hostname resolution is available on this system? */
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host lookup failed: getaddrinfo() not available on this system");
return 0;
#endif
}
return 1;
}
/* }}} */
#endif
/* Sets addr by hostname, or by ip in string form (AF_INET) */
static int php_set_inet_addr(struct sockaddr_in *sin, char *string, php_socket *php_sock TSRMLS_DC) /* {{{ */
{
struct in_addr tmp;
struct hostent *host_entry;
if (inet_aton(string, &tmp)) {
sin->sin_addr.s_addr = tmp.s_addr;
} else {
if (! (host_entry = gethostbyname(string))) {
/* Note: < -10000 indicates a host lookup error */
#ifdef PHP_WIN32
PHP_SOCKET_ERROR(php_sock, "Host lookup failed", WSAGetLastError());
#else
PHP_SOCKET_ERROR(php_sock, "Host lookup failed", (-10000 - h_errno));
#endif
return 0;
}
if (host_entry->h_addrtype != AF_INET) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Host lookup failed: Non AF_INET domain returned on AF_INET socket");
return 0;
}
memcpy(&(sin->sin_addr.s_addr), host_entry->h_addr_list[0], host_entry->h_length);
}
return 1;
}
/* }}} */
/* Sets addr by hostname or by ip in string form (AF_INET or AF_INET6,
* depending on the socket) */
static int php_set_inet46_addr(php_sockaddr_storage *ss, socklen_t *ss_len, char *string, php_socket *php_sock TSRMLS_DC) /* {{{ */
{
if (php_sock->type == AF_INET) {
struct sockaddr_in t = {0};
if (php_set_inet_addr(&t, string, php_sock TSRMLS_CC)) {
memcpy(ss, &t, sizeof t);
ss->ss_family = AF_INET;
*ss_len = sizeof(t);
return 1;
}
}
#if HAVE_IPV6
else if (php_sock->type == AF_INET6) {
struct sockaddr_in6 t = {0};
if (php_set_inet6_addr(&t, string, php_sock TSRMLS_CC)) {
memcpy(ss, &t, sizeof t);
ss->ss_family = AF_INET6;
*ss_len = sizeof(t);
return 1;
}
}
#endif
else {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"IP address used in the context of an unexpected type of socket");
}
return 0;
}
static int php_get_if_index_from_zval(zval *val, unsigned *out TSRMLS_DC)
{
int ret;
if (Z_TYPE_P(val) == IS_LONG) {
if (Z_LVAL_P(val) < 0 || Z_LVAL_P(val) > UINT_MAX) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"the interface index cannot be negative or larger than %u;"
" given %ld", UINT_MAX, Z_LVAL_P(val));
ret = FAILURE;
} else {
*out = Z_LVAL_P(val);
ret = SUCCESS;
}
} else {
#if HAVE_IF_NAMETOINDEX
unsigned int ind;
zval_add_ref(&val);
convert_to_string_ex(&val);
ind = if_nametoindex(Z_STRVAL_P(val));
if (ind == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"no interface with name \"%s\" could be found", Z_STRVAL_P(val));
ret = FAILURE;
} else {
*out = ind;
ret = SUCCESS;
}
zval_ptr_dtor(&val);
#else
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"this platform does not support looking up an interface by "
"name, an integer interface index must be supplied instead");
ret = FAILURE;
#endif
}
return ret;
}
static int php_get_if_index_from_array(const HashTable *ht, const char *key,
php_socket *sock, unsigned int *if_index TSRMLS_DC)
{
zval **val;
if (zend_hash_find(ht, key, strlen(key) + 1, (void **)&val) == FAILURE) {
*if_index = 0; /* default: 0 */
return SUCCESS;
}
return php_get_if_index_from_zval(*val, if_index TSRMLS_CC);
}
static int php_get_address_from_array(const HashTable *ht, const char *key,
php_socket *sock, php_sockaddr_storage *ss, socklen_t *ss_len TSRMLS_DC)
{
zval **val,
*valcp;
if (zend_hash_find(ht, key, strlen(key) + 1, (void **)&val) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "no key \"%s\" passed in optval", key);
return FAILURE;
}
valcp = *val;
zval_add_ref(&valcp);
convert_to_string_ex(val);
if (!php_set_inet46_addr(ss, ss_len, Z_STRVAL_P(valcp), sock TSRMLS_CC)) {
zval_ptr_dtor(&valcp);
return FAILURE;
}
zval_ptr_dtor(&valcp);
return SUCCESS;
}
/* {{{ PHP_GINIT_FUNCTION */
static PHP_GINIT_FUNCTION(sockets)
{
sockets_globals->last_error = 0;
sockets_globals->strerror_buf = NULL;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(sockets)
{
le_socket = zend_register_list_destructors_ex(php_destroy_socket, NULL, le_socket_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);
#ifdef MSG_DONTWAIT
REGISTER_LONG_CONSTANT("MSG_DONTWAIT", MSG_DONTWAIT, CONST_CS | CONST_PERSISTENT);
#endif
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
REGISTER_LONG_CONSTANT("SO_DEBUG", SO_DEBUG, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SO_REUSEADDR", SO_REUSEADDR, CONST_CS | CONST_PERSISTENT);
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);
REGISTER_LONG_CONSTANT("SO_ERROR", SO_ERROR, CONST_CS | CONST_PERSISTENT);
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);
#ifndef RFC3678_API
#define MCAST_JOIN_GROUP IP_ADD_MEMBERSHIP
#define MCAST_LEAVE_GROUP IP_DROP_MEMBERSHIP
#ifdef HAS_MCAST_EXT
#define MCAST_BLOCK_SOURCE IP_BLOCK_SOURCE
#define MCAST_UNBLOCK_SOURCE IP_UNBLOCK_SOURCE
#define MCAST_JOIN_SOURCE_GROUP IP_ADD_SOURCE_MEMBERSHIP
#define MCAST_LEAVE_SOURCE_GROUP IP_DROP_SOURCE_MEMBERSHIP
#endif
#endif
REGISTER_LONG_CONSTANT("MCAST_JOIN_GROUP", MCAST_JOIN_GROUP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_LEAVE_GROUP", MCAST_LEAVE_GROUP, CONST_CS | CONST_PERSISTENT);
#ifdef HAS_MCAST_EXT
REGISTER_LONG_CONSTANT("MCAST_BLOCK_SOURCE", MCAST_BLOCK_SOURCE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_UNBLOCK_SOURCE", MCAST_UNBLOCK_SOURCE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_JOIN_SOURCE_GROUP", MCAST_JOIN_SOURCE_GROUP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("MCAST_LEAVE_SOURCE_GROUP", 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
#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);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
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 */
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 TSRMLS_DC) /* {{{ */
{
zval **element;
php_socket *php_sock;
int num = 0;
if (Z_TYPE_P(sock_array) != IS_ARRAY) return 0;
for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(sock_array));
zend_hash_get_current_data(Z_ARRVAL_P(sock_array), (void **) &element) == SUCCESS;
zend_hash_move_forward(Z_ARRVAL_P(sock_array))) {
php_sock = (php_socket*) zend_fetch_resource(element TSRMLS_CC, -1, le_socket_name, NULL, 1, le_socket);
if (!php_sock) continue; /* If element is not a resource, skip it */
PHP_SAFE_FD_SET(php_sock->bsd_socket, fds);
if (php_sock->bsd_socket > *max_fd) {
*max_fd = php_sock->bsd_socket;
}
num++;
}
return num ? 1 : 0;
}
/* }}} */
static int php_sock_array_from_fd_set(zval *sock_array, fd_set *fds TSRMLS_DC) /* {{{ */
{
zval **element;
zval **dest_element;
php_socket *php_sock;
HashTable *new_hash;
char *key;
int num = 0;
ulong num_key;
uint key_len;
if (Z_TYPE_P(sock_array) != IS_ARRAY) return 0;
ALLOC_HASHTABLE(new_hash);
zend_hash_init(new_hash, zend_hash_num_elements(Z_ARRVAL_P(sock_array)), NULL, ZVAL_PTR_DTOR, 0);
for (zend_hash_internal_pointer_reset(Z_ARRVAL_P(sock_array));
zend_hash_get_current_data(Z_ARRVAL_P(sock_array), (void **) &element) == SUCCESS;
zend_hash_move_forward(Z_ARRVAL_P(sock_array))) {
php_sock = (php_socket*) zend_fetch_resource(element TSRMLS_CC, -1, le_socket_name, NULL, 1, le_socket);
if (!php_sock) continue; /* If element is not a resource, skip it */
if (PHP_SAFE_FD_ISSET(php_sock->bsd_socket, fds)) {
/* Add fd to new array */
switch (zend_hash_get_current_key_ex(Z_ARRVAL_P(sock_array), &key, &key_len, &num_key, 0, NULL)) {
case HASH_KEY_IS_STRING:
zend_hash_add(new_hash, key, key_len, (void *)element, sizeof(zval *), (void **)&dest_element);
break;
case HASH_KEY_IS_LONG:
zend_hash_index_update(new_hash, num_key, (void *)element, sizeof(zval *), (void **)&dest_element);
break;
}
if (dest_element) zval_add_ref(dest_element);
}
num++;
}
/* Destroy old array, add new one */
zend_hash_destroy(Z_ARRVAL_P(sock_array));
efree(Z_ARRVAL_P(sock_array));
zend_hash_internal_pointer_reset(new_hash);
Z_ARRVAL_P(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]) U
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, *sec;
struct timeval tv;
struct timeval *tv_p = NULL;
fd_set rfds, wfds, efds;
PHP_SOCKET max_fd = 0;
int retval, sets = 0;
long usec = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a!a!a!z!|l", &r_array, &w_array, &e_array, &sec, &usec) == FAILURE) {
return;
}
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
if (r_array != NULL) sets += php_sock_array_to_fd_set(r_array, &rfds, &max_fd TSRMLS_CC);
if (w_array != NULL) sets += php_sock_array_to_fd_set(w_array, &wfds, &max_fd TSRMLS_CC);
if (e_array != NULL) sets += php_sock_array_to_fd_set(e_array, &efds, &max_fd TSRMLS_CC);
if (!sets) {
php_error_docref(NULL TSRMLS_CC, 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 != NULL) {
zval tmp;
if (Z_TYPE_P(sec) != IS_LONG) {
tmp = *sec;
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
sec = &tmp;
}
/* Solaris + BSD do not like microsecond values which are >= 1 sec */
if (usec > 999999) {
tv.tv_sec = Z_LVAL_P(sec) + (usec / 1000000);