/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Chris Vandomelen <chrisv@b0rked.dhs.org> |
| Sterling Hughes <sterling@php.net> |
| Jason Greene <jason@php.net> |
| Gustavo Lopes <cataphract@php.net> |
| WinSock: Daniel Beulshausen <daniel@php4win.de> |
+----------------------------------------------------------------------+
*/
/* $Id: sockets.c,v 1.1.1.5 2014/06/15 20:03:55 misho Exp $ */
#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)
# if _WIN32_WINNT >= 0x0600 && SOCKETS_ENABLE_VISTA_API
# 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_SOCKET_ERROR(socket, msg, errn) \
do { \
int _err = (errn); /* save value to avoid repeated calls to WSAGetLastError() on Windows */ \
(socket)->error = _err; \
SOCKETS_G(last_error) = _err; \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s [%d]: %s", msg, _err, php_strerror(_err TSRMLS_CC)); \
} while (0)
#define PHP_NORMAL_READ 0x0001
#define PHP_BINARY_READ 0x0002
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()
/* }}} */
PHP_MINIT_FUNCTION(sockets);
PHP_MINFO_FUNCTION(sockets);
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);
/* {{{ 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 compatibility */
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
static int php_get_if_index_from_string(const char *val, unsigned *out TSRMLS_DC);
/* 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
char *scope = strchr(string, '%');
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
}
if (scope++) {
long lval = 0;
double dval = 0;
unsigned scope_id = 0;
if (IS_LONG == is_numeric_string(scope, strlen(scope), &lval, &dval, 0)) {
if (lval > 0 && lval <= UINT_MAX) {
scope_id = lval;
}
} else {
php_get_if_index_from_string(scope, &scope_id TSRMLS_CC);
}
sin6->sin6_scope_id = scope_id;
}
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_string(const char *val, unsigned *out TSRMLS_DC)
{
#if HAVE_IF_NAMETOINDEX
unsigned int ind;
ind = if_nametoindex(val);
if (ind == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"no interface with name \"%s\" could be found", val);
return FAILURE;
} else {
*out = ind;
return SUCCESS;
}
#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");
return FAILURE;
#endif
}
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 {
zval_add_ref(&val);
convert_to_string_ex(&val);
ret = php_get_if_index_from_string(Z_STRVAL_P(val), out TSRMLS_CC);
zval_ptr_dtor(&val);
}
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);
#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);
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
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);
tv.tv_usec = usec % 1000000;
} else {
tv.tv_sec = Z_LVAL_P(sec);
tv.tv_usec = usec;
}
tv_p = &tv;
if (sec == &tmp) {
zval_dtor(&tmp);
}
}
retval = select(max_fd+1, &rfds, &wfds, &efds, tv_p);
if (retval == -1) {
SOCKETS_G(last_error) = errno;
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to select [%d]: %s", errno, php_strerror(errno TSRMLS_CC));
RETURN_FALSE;
}
if (r_array != NULL) php_sock_array_from_fd_set(r_array, &rfds TSRMLS_CC);
if (w_array != NULL) php_sock_array_from_fd_set(w_array, &wfds TSRMLS_CC);
if (e_array != NULL) php_sock_array_from_fd_set(e_array, &efds TSRMLS_CC);
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto resource socket_create_listen(int port[, int backlog]) U
Opens a socket on port to accept connections */
PHP_FUNCTION(socket_create_listen)
{
php_socket *php_sock;
long port, backlog = 128;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &port, &backlog) == FAILURE) {
return;
}
if (!php_open_listen_sock(&php_sock, port, backlog TSRMLS_CC)) {
RETURN_FALSE;
}
php_sock->error = 0;
php_sock->blocking = 1;
ZEND_REGISTER_RESOURCE(return_value, php_sock, le_socket);
}
/* }}} */
/* {{{ proto resource socket_accept(resource socket) U
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() TSRMLS_CC, "r", &arg1) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
if (!php_accept_connect(php_sock, &new_sock, (struct sockaddr*)&sa, &php_sa_len TSRMLS_CC)) {
RETURN_FALSE;
}
ZEND_REGISTER_RESOURCE(return_value, new_sock, le_socket);
}
/* }}} */
/* {{{ proto bool socket_set_nonblock(resource socket) U
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() TSRMLS_CC, "r", &arg1) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
if (php_sock->zstream != NULL) {
php_stream *stream;
/* omit notice if resource doesn't exist anymore */
stream = zend_fetch_resource(&php_sock->zstream TSRMLS_CC, -1,
NULL, NULL, 2, 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 TSRMLS_CC) == 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) U
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() TSRMLS_CC, "r", &arg1) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
/* 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 (php_sock->zstream != NULL) {
php_stream *stream;
stream = zend_fetch_resource(&php_sock->zstream TSRMLS_CC, -1,
NULL, NULL, 2, 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 TSRMLS_CC) == 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]) U
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;
long backlog = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &arg1, &backlog) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
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) U
Closes a file descriptor */
PHP_FUNCTION(socket_close)
{
zval *arg1;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg1) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
if (php_sock->zstream != NULL) {
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_CLOSE |
(stream->is_persistent?PHP_STREAM_FREE_CLOSE_PERSISTENT:0));
}
}
zend_list_delete(Z_RESVAL_P(arg1));
}
/* }}} */
/* {{{ proto int socket_write(resource socket, string buf[, int length])
Writes the buffer to the socket resource, length is optional */
PHP_FUNCTION(socket_write)
{
zval *arg1;
php_socket *php_sock;
int retval, str_len;
long length = 0;
char *str;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &arg1, &str, &str_len, &length) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
if (ZEND_NUM_ARGS() < 3) {
length = str_len;
}
#ifndef PHP_WIN32
retval = write(php_sock->bsd_socket, str, MIN(length, str_len));
#else
retval = send(php_sock->bsd_socket, str, min(length, str_len), 0);
#endif
if (retval < 0) {
PHP_SOCKET_ERROR(php_sock, "unable to write to socket", errno);
RETURN_FALSE;
}
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto string socket_read(resource socket, int length [, int type]) U
Reads a maximum of length bytes from socket */
PHP_FUNCTION(socket_read)
{
zval *arg1;
php_socket *php_sock;
char *tmpbuf;
int retval;
long length, type = PHP_BINARY_READ;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &arg1, &length, &type) == FAILURE) {
return;
}
/* overflow check */
if ((length + 1) < 2) {
RETURN_FALSE;
}
tmpbuf = emalloc(length + 1);
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
if (type == PHP_NORMAL_READ) {
retval = php_read(php_sock, tmpbuf, length, 0);
} else {
retval = recv(php_sock->bsd_socket, tmpbuf, length, 0);
}
if (retval == -1) {
/* if the socket is in non-blocking mode and there's no data to read,
don't output any error, as this is a normal situation, and not an error */
if (errno == EAGAIN
#ifdef EWOULDBLOCK
|| errno == EWOULDBLOCK
#endif
) {
php_sock->error = errno;
SOCKETS_G(last_error) = errno;
} else {
PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno);
}
efree(tmpbuf);
RETURN_FALSE;
} else if (!retval) {
efree(tmpbuf);
RETURN_EMPTY_STRING();
}
tmpbuf = erealloc(tmpbuf, retval + 1);
tmpbuf[retval] = '\0' ;
RETURN_STRINGL(tmpbuf, retval, 0);
}
/* }}} */
/* {{{ proto bool socket_getsockname(resource socket, string &addr[, int &port])
Queries the remote side of the given socket which may either result in host/port or in a UNIX filesystem path, dependent on its type. */
PHP_FUNCTION(socket_getsockname)
{
zval *arg1, *addr, *port = NULL;
php_sockaddr_storage sa_storage;
php_socket *php_sock;
struct sockaddr *sa;
struct sockaddr_in *sin;
#if HAVE_IPV6
struct sockaddr_in6 *sin6;
char addr6[INET6_ADDRSTRLEN+1];
#endif
struct sockaddr_un *s_un;
char *addr_string;
socklen_t salen = sizeof(php_sockaddr_storage);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rz|z", &arg1, &addr, &port) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
sa = (struct sockaddr *) &sa_storage;
if (getsockname(php_sock->bsd_socket, sa, &salen) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket name", errno);
RETURN_FALSE;
}
switch (sa->sa_family) {
#if HAVE_IPV6
case AF_INET6:
sin6 = (struct sockaddr_in6 *) sa;
inet_ntop(AF_INET6, &sin6->sin6_addr, addr6, INET6_ADDRSTRLEN);
zval_dtor(addr);
ZVAL_STRING(addr, addr6, 1);
if (port != NULL) {
zval_dtor(port);
ZVAL_LONG(port, htons(sin6->sin6_port));
}
RETURN_TRUE;
break;
#endif
case AF_INET:
sin = (struct sockaddr_in *) sa;
while (inet_ntoa_lock == 1);
inet_ntoa_lock = 1;
addr_string = inet_ntoa(sin->sin_addr);
inet_ntoa_lock = 0;
zval_dtor(addr);
ZVAL_STRING(addr, addr_string, 1);
if (port != NULL) {
zval_dtor(port);
ZVAL_LONG(port, htons(sin->sin_port));
}
RETURN_TRUE;
break;
case AF_UNIX:
s_un = (struct sockaddr_un *) sa;
zval_dtor(addr);
ZVAL_STRING(addr, s_un->sun_path, 1);
RETURN_TRUE;
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported address family %d", sa->sa_family);
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool socket_getpeername(resource socket, string &addr[, int &port])
Queries the remote side of the given socket which may either result in host/port or in a UNIX filesystem path, dependent on its type. */
PHP_FUNCTION(socket_getpeername)
{
zval *arg1, *arg2, *arg3 = NULL;
php_sockaddr_storage sa_storage;
php_socket *php_sock;
struct sockaddr *sa;
struct sockaddr_in *sin;
#if HAVE_IPV6
struct sockaddr_in6 *sin6;
char addr6[INET6_ADDRSTRLEN+1];
#endif
struct sockaddr_un *s_un;
char *addr_string;
socklen_t salen = sizeof(php_sockaddr_storage);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rz|z", &arg1, &arg2, &arg3) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
sa = (struct sockaddr *) &sa_storage;
if (getpeername(php_sock->bsd_socket, sa, &salen) < 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve peer name", errno);
RETURN_FALSE;
}
switch (sa->sa_family) {
#if HAVE_IPV6
case AF_INET6:
sin6 = (struct sockaddr_in6 *) sa;
inet_ntop(AF_INET6, &sin6->sin6_addr, addr6, INET6_ADDRSTRLEN);
zval_dtor(arg2);
ZVAL_STRING(arg2, addr6, 1);
if (arg3 != NULL) {
zval_dtor(arg3);
ZVAL_LONG(arg3, htons(sin6->sin6_port));
}
RETURN_TRUE;
break;
#endif
case AF_INET:
sin = (struct sockaddr_in *) sa;
while (inet_ntoa_lock == 1);
inet_ntoa_lock = 1;
addr_string = inet_ntoa(sin->sin_addr);
inet_ntoa_lock = 0;
zval_dtor(arg2);
ZVAL_STRING(arg2, addr_string, 1);
if (arg3 != NULL) {
zval_dtor(arg3);
ZVAL_LONG(arg3, htons(sin->sin_port));
}
RETURN_TRUE;
break;
case AF_UNIX:
s_un = (struct sockaddr_un *) sa;
zval_dtor(arg2);
ZVAL_STRING(arg2, s_un->sun_path, 1);
RETURN_TRUE;
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported address family %d", sa->sa_family);
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto resource socket_create(int domain, int type, int protocol) U
Creates an endpoint for communication in the domain specified by domain, of type specified by type */
PHP_FUNCTION(socket_create)
{
long arg1, arg2, arg3;
php_socket *php_sock = php_create_socket();
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll", &arg1, &arg2, &arg3) == FAILURE) {
efree(php_sock);
return;
}
if (arg1 != AF_UNIX
#if HAVE_IPV6
&& arg1 != AF_INET6
#endif
&& arg1 != AF_INET) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid socket domain [%ld] specified for argument 1, assuming AF_INET", arg1);
arg1 = AF_INET;
}
if (arg2 > 10) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid socket type [%ld] specified for argument 2, assuming SOCK_STREAM", arg2);
arg2 = SOCK_STREAM;
}
php_sock->bsd_socket = socket(arg1, arg2, arg3);
php_sock->type = arg1;
if (IS_INVALID_SOCKET(php_sock)) {
SOCKETS_G(last_error) = errno;
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to create socket [%d]: %s", errno, php_strerror(errno TSRMLS_CC));
efree(php_sock);
RETURN_FALSE;
}
php_sock->error = 0;
php_sock->blocking = 1;
ZEND_REGISTER_RESOURCE(return_value, php_sock, le_socket);
}
/* }}} */
/* {{{ proto bool socket_connect(resource socket, string addr [, int port])
Opens a connection to addr:port on the socket specified by socket */
PHP_FUNCTION(socket_connect)
{
zval *arg1;
php_socket *php_sock;
char *addr;
int retval, addr_len;
long port = 0;
int argc = ZEND_NUM_ARGS();
if (zend_parse_parameters(argc TSRMLS_CC, "rs|l", &arg1, &addr, &addr_len, &port) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
switch(php_sock->type) {
#if HAVE_IPV6
case AF_INET6: {
struct sockaddr_in6 sin6 = {0};
if (argc != 3) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Socket of type AF_INET6 requires 3 arguments");
RETURN_FALSE;
}
memset(&sin6, 0, sizeof(struct sockaddr_in6));
sin6.sin6_family = AF_INET6;
sin6.sin6_port = htons((unsigned short int)port);
if (! php_set_inet6_addr(&sin6, addr, php_sock TSRMLS_CC)) {
RETURN_FALSE;
}
retval = connect(php_sock->bsd_socket, (struct sockaddr *)&sin6, sizeof(struct sockaddr_in6));
break;
}
#endif
case AF_INET: {
struct sockaddr_in sin = {0};
if (argc != 3) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Socket of type AF_INET requires 3 arguments");
RETURN_FALSE;
}
sin.sin_family = AF_INET;
sin.sin_port = htons((unsigned short int)port);
if (! php_set_inet_addr(&sin, addr, php_sock TSRMLS_CC)) {
RETURN_FALSE;
}
retval = connect(php_sock->bsd_socket, (struct sockaddr *)&sin, sizeof(struct sockaddr_in));
break;
}
case AF_UNIX: {
struct sockaddr_un s_un = {0};
if (addr_len >= sizeof(s_un.sun_path)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Path too long");
RETURN_FALSE;
}
s_un.sun_family = AF_UNIX;
memcpy(&s_un.sun_path, addr, addr_len);
retval = connect(php_sock->bsd_socket, (struct sockaddr *) &s_un,
(socklen_t)(XtOffsetOf(struct sockaddr_un, sun_path) + addr_len));
break;
}
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported socket type %d", php_sock->type);
RETURN_FALSE;
}
if (retval != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to connect", errno);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string socket_strerror(int errno)
Returns a string describing an error */
PHP_FUNCTION(socket_strerror)
{
long arg1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &arg1) == FAILURE) {
return;
}
RETURN_STRING(php_strerror(arg1 TSRMLS_CC), 1);
}
/* }}} */
/* {{{ proto bool socket_bind(resource socket, string addr [, int port])
Binds an open socket to a listening port, port is only specified in AF_INET family. */
PHP_FUNCTION(socket_bind)
{
zval *arg1;
php_sockaddr_storage sa_storage;
struct sockaddr *sock_type = (struct sockaddr*) &sa_storage;
php_socket *php_sock;
char *addr;
int addr_len;
long port = 0;
long retval = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs|l", &arg1, &addr, &addr_len, &port) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
switch(php_sock->type) {
case AF_UNIX:
{
struct sockaddr_un *sa = (struct sockaddr_un *) sock_type;
memset(sa, 0, sizeof(sa_storage));
sa->sun_family = AF_UNIX;
snprintf(sa->sun_path, 108, "%s", addr);
retval = bind(php_sock->bsd_socket, (struct sockaddr *) sa, SUN_LEN(sa));
break;
}
case AF_INET:
{
struct sockaddr_in *sa = (struct sockaddr_in *) sock_type;
memset(sa, 0, sizeof(sa_storage)); /* Apparently, Mac OSX needs this */
sa->sin_family = AF_INET;
sa->sin_port = htons((unsigned short) port);
if (! php_set_inet_addr(sa, addr, php_sock TSRMLS_CC)) {
RETURN_FALSE;
}
retval = bind(php_sock->bsd_socket, (struct sockaddr *)sa, sizeof(struct sockaddr_in));
break;
}
#if HAVE_IPV6
case AF_INET6:
{
struct sockaddr_in6 *sa = (struct sockaddr_in6 *) sock_type;
memset(sa, 0, sizeof(sa_storage)); /* Apparently, Mac OSX needs this */
sa->sin6_family = AF_INET6;
sa->sin6_port = htons((unsigned short) port);
if (! php_set_inet6_addr(sa, addr, php_sock TSRMLS_CC)) {
RETURN_FALSE;
}
retval = bind(php_sock->bsd_socket, (struct sockaddr *)sa, sizeof(struct sockaddr_in6));
break;
}
#endif
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unsupported socket type '%d', must be AF_UNIX, AF_INET, or AF_INET6", php_sock->type);
RETURN_FALSE;
}
if (retval != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to bind address", errno);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int socket_recv(resource socket, string &buf, int len, int flags)
Receives data from a connected socket */
PHP_FUNCTION(socket_recv)
{
zval *php_sock_res, *buf;
char *recv_buf;
php_socket *php_sock;
int retval;
long len, flags;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rzll", &php_sock_res, &buf, &len, &flags) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &php_sock_res, -1, le_socket_name, le_socket);
/* overflow check */
if ((len + 1) < 2) {
RETURN_FALSE;
}
recv_buf = emalloc(len + 1);
memset(recv_buf, 0, len + 1);
if ((retval = recv(php_sock->bsd_socket, recv_buf, len, flags)) < 1) {
efree(recv_buf);
zval_dtor(buf);
Z_TYPE_P(buf) = IS_NULL;
} else {
recv_buf[retval] = '\0';
/* Rebuild buffer zval */
zval_dtor(buf);
Z_STRVAL_P(buf) = recv_buf;
Z_STRLEN_P(buf) = retval;
Z_TYPE_P(buf) = IS_STRING;
}
if (retval == -1) {
PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno);
RETURN_FALSE;
}
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto int socket_send(resource socket, string buf, int len, int flags)
Sends data to a connected socket */
PHP_FUNCTION(socket_send)
{
zval *arg1;
php_socket *php_sock;
int buf_len, retval;
long len, flags;
char *buf;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsll", &arg1, &buf, &buf_len, &len, &flags) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
retval = send(php_sock->bsd_socket, buf, (buf_len < len ? buf_len : len), flags);
if (retval == -1) {
PHP_SOCKET_ERROR(php_sock, "unable to write to socket", errno);
RETURN_FALSE;
}
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto int socket_recvfrom(resource socket, string &buf, int len, int flags, string &name [, int &port])
Receives data from a socket, connected or not */
PHP_FUNCTION(socket_recvfrom)
{
zval *arg1, *arg2, *arg5, *arg6 = NULL;
php_socket *php_sock;
struct sockaddr_un s_un;
struct sockaddr_in sin;
#if HAVE_IPV6
struct sockaddr_in6 sin6;
char addr6[INET6_ADDRSTRLEN];
#endif
socklen_t slen;
int retval;
long arg3, arg4;
char *recv_buf, *address;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rzllz|z", &arg1, &arg2, &arg3, &arg4, &arg5, &arg6) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
/* overflow check */
if ((arg3 + 2) < 3) {
RETURN_FALSE;
}
recv_buf = emalloc(arg3 + 2);
memset(recv_buf, 0, arg3 + 2);
switch (php_sock->type) {
case AF_UNIX:
slen = sizeof(s_un);
s_un.sun_family = AF_UNIX;
retval = recvfrom(php_sock->bsd_socket, recv_buf, arg3, arg4, (struct sockaddr *)&s_un, (socklen_t *)&slen);
if (retval < 0) {
PHP_SOCKET_ERROR(php_sock, "unable to recvfrom", errno);
efree(recv_buf);
RETURN_FALSE;
}
zval_dtor(arg2);
zval_dtor(arg5);
ZVAL_STRINGL(arg2, recv_buf, retval, 0);
ZVAL_STRING(arg5, s_un.sun_path, 1);
break;
case AF_INET:
slen = sizeof(sin);
memset(&sin, 0, slen);
sin.sin_family = AF_INET;
if (arg6 == NULL) {
efree(recv_buf);
WRONG_PARAM_COUNT;
}
retval = recvfrom(php_sock->bsd_socket, recv_buf, arg3, arg4, (struct sockaddr *)&sin, (socklen_t *)&slen);
if (retval < 0) {
PHP_SOCKET_ERROR(php_sock, "unable to recvfrom", errno);
efree(recv_buf);
RETURN_FALSE;
}
zval_dtor(arg2);
zval_dtor(arg5);
zval_dtor(arg6);
address = inet_ntoa(sin.sin_addr);
ZVAL_STRINGL(arg2, recv_buf, retval, 0);
ZVAL_STRING(arg5, address ? address : "0.0.0.0", 1);
ZVAL_LONG(arg6, ntohs(sin.sin_port));
break;
#if HAVE_IPV6
case AF_INET6:
slen = sizeof(sin6);
memset(&sin6, 0, slen);
sin6.sin6_family = AF_INET6;
if (arg6 == NULL) {
efree(recv_buf);
WRONG_PARAM_COUNT;
}
retval = recvfrom(php_sock->bsd_socket, recv_buf, arg3, arg4, (struct sockaddr *)&sin6, (socklen_t *)&slen);
if (retval < 0) {
PHP_SOCKET_ERROR(php_sock, "unable to recvfrom", errno);
efree(recv_buf);
RETURN_FALSE;
}
zval_dtor(arg2);
zval_dtor(arg5);
zval_dtor(arg6);
memset(addr6, 0, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &sin6.sin6_addr, addr6, INET6_ADDRSTRLEN);
ZVAL_STRINGL(arg2, recv_buf, retval, 0);
ZVAL_STRING(arg5, addr6[0] ? addr6 : "::", 1);
ZVAL_LONG(arg6, ntohs(sin6.sin6_port));
break;
#endif
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported socket type %d", php_sock->type);
RETURN_FALSE;
}
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto int socket_sendto(resource socket, string buf, int len, int flags, string addr [, int port])
Sends a message to a socket, whether it is connected or not */
PHP_FUNCTION(socket_sendto)
{
zval *arg1;
php_socket *php_sock;
struct sockaddr_un s_un;
struct sockaddr_in sin;
#if HAVE_IPV6
struct sockaddr_in6 sin6;
#endif
int retval, buf_len, addr_len;
long len, flags, port = 0;
char *buf, *addr;
int argc = ZEND_NUM_ARGS();
if (zend_parse_parameters(argc TSRMLS_CC, "rslls|l", &arg1, &buf, &buf_len, &len, &flags, &addr, &addr_len, &port) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
switch (php_sock->type) {
case AF_UNIX:
memset(&s_un, 0, sizeof(s_un));
s_un.sun_family = AF_UNIX;
snprintf(s_un.sun_path, 108, "%s", addr);
retval = sendto(php_sock->bsd_socket, buf, (len > buf_len) ? buf_len : len, flags, (struct sockaddr *) &s_un, SUN_LEN(&s_un));
break;
case AF_INET:
if (argc != 6) {
WRONG_PARAM_COUNT;
}
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons((unsigned short) port);
if (! php_set_inet_addr(&sin, addr, php_sock TSRMLS_CC)) {
RETURN_FALSE;
}
retval = sendto(php_sock->bsd_socket, buf, (len > buf_len) ? buf_len : len, flags, (struct sockaddr *) &sin, sizeof(sin));
break;
#if HAVE_IPV6
case AF_INET6:
if (argc != 6) {
WRONG_PARAM_COUNT;
}
memset(&sin6, 0, sizeof(sin6));
sin6.sin6_family = AF_INET6;
sin6.sin6_port = htons((unsigned short) port);
if (! php_set_inet6_addr(&sin6, addr, php_sock TSRMLS_CC)) {
RETURN_FALSE;
}
retval = sendto(php_sock->bsd_socket, buf, (len > buf_len) ? buf_len : len, flags, (struct sockaddr *) &sin6, sizeof(sin6));
break;
#endif
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unsupported socket type %d", php_sock->type);
RETURN_FALSE;
}
if (retval == -1) {
PHP_SOCKET_ERROR(php_sock, "unable to write to socket", errno);
RETURN_FALSE;
}
RETURN_LONG(retval);
}
/* }}} */
/* {{{ proto mixed socket_get_option(resource socket, int level, int optname) U
Gets socket options for the socket */
PHP_FUNCTION(socket_get_option)
{
zval *arg1;
struct linger linger_val;
struct timeval tv;
#ifdef PHP_WIN32
int timeout = 0;
#endif
socklen_t optlen;
php_socket *php_sock;
int other_val;
long level, optname;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &arg1, &level, &optname) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
if (level == IPPROTO_IP) {
switch (optname) {
case IP_MULTICAST_IF: {
struct in_addr if_addr;
unsigned int if_index;
optlen = sizeof(if_addr);
if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&if_addr, &optlen) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
RETURN_FALSE;
}
if (php_add4_to_if_index(&if_addr, php_sock, &if_index TSRMLS_CC) == SUCCESS) {
RETURN_LONG((long) if_index);
} else {
RETURN_FALSE;
}
}
}
}
/* sol_socket options and general case */
switch(optname) {
case SO_LINGER:
optlen = sizeof(linger_val);
if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&linger_val, &optlen) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
RETURN_FALSE;
}
array_init(return_value);
add_assoc_long(return_value, "l_onoff", linger_val.l_onoff);
add_assoc_long(return_value, "l_linger", linger_val.l_linger);
break;
case SO_RCVTIMEO:
case SO_SNDTIMEO:
#ifndef PHP_WIN32
optlen = sizeof(tv);
if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&tv, &optlen) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
RETURN_FALSE;
}
#else
optlen = sizeof(int);
if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&timeout, &optlen) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
RETURN_FALSE;
}
tv.tv_sec = timeout ? timeout / 1000 : 0;
tv.tv_usec = timeout ? (timeout * 1000) % 1000000 : 0;
#endif
array_init(return_value);
add_assoc_long(return_value, "sec", tv.tv_sec);
add_assoc_long(return_value, "usec", tv.tv_usec);
break;
default:
optlen = sizeof(other_val);
if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&other_val, &optlen) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
RETURN_FALSE;
}
if (optlen == 1)
other_val = *((unsigned char *)&other_val);
RETURN_LONG(other_val);
break;
}
}
/* }}} */
static int php_do_mcast_opt(php_socket *php_sock, int level, int optname, zval **arg4 TSRMLS_DC)
{
HashTable *opt_ht;
unsigned int if_index;
int retval;
int (*mcast_req_fun)(php_socket *, int, struct sockaddr *, socklen_t,
unsigned TSRMLS_DC);
#ifdef HAS_MCAST_EXT
int (*mcast_sreq_fun)(php_socket *, int, struct sockaddr *, socklen_t,
struct sockaddr *, socklen_t, unsigned TSRMLS_DC);
#endif
switch (optname) {
case MCAST_JOIN_GROUP:
mcast_req_fun = &php_mcast_join;
goto mcast_req_fun;
case MCAST_LEAVE_GROUP:
{
php_sockaddr_storage group = {0};
socklen_t glen;
mcast_req_fun = &php_mcast_leave;
mcast_req_fun:
convert_to_array_ex(arg4);
opt_ht = HASH_OF(*arg4);
if (php_get_address_from_array(opt_ht, "group", php_sock, &group,
&glen TSRMLS_CC) == FAILURE) {
return FAILURE;
}
if (php_get_if_index_from_array(opt_ht, "interface", php_sock,
&if_index TSRMLS_CC) == FAILURE) {
return FAILURE;
}
retval = mcast_req_fun(php_sock, level, (struct sockaddr*)&group,
glen, if_index TSRMLS_CC);
break;
}
#ifdef HAS_MCAST_EXT
case MCAST_BLOCK_SOURCE:
mcast_sreq_fun = &php_mcast_block_source;
goto mcast_sreq_fun;
case MCAST_UNBLOCK_SOURCE:
mcast_sreq_fun = &php_mcast_unblock_source;
goto mcast_sreq_fun;
case MCAST_JOIN_SOURCE_GROUP:
mcast_sreq_fun = &php_mcast_join_source;
goto mcast_sreq_fun;
case MCAST_LEAVE_SOURCE_GROUP:
{
php_sockaddr_storage group = {0},
source = {0};
socklen_t glen,
slen;
mcast_sreq_fun = &php_mcast_leave_source;
mcast_sreq_fun:
convert_to_array_ex(arg4);
opt_ht = HASH_OF(*arg4);
if (php_get_address_from_array(opt_ht, "group", php_sock, &group,
&glen TSRMLS_CC) == FAILURE) {
return FAILURE;
}
if (php_get_address_from_array(opt_ht, "source", php_sock, &source,
&slen TSRMLS_CC) == FAILURE) {
return FAILURE;
}
if (php_get_if_index_from_array(opt_ht, "interface", php_sock,
&if_index TSRMLS_CC) == FAILURE) {
return FAILURE;
}
retval = mcast_sreq_fun(php_sock, level, (struct sockaddr*)&group,
glen, (struct sockaddr*)&source, slen, if_index TSRMLS_CC);
break;
}
#endif
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"unexpected option in php_do_mcast_opt (level %d, option %d). "
"This is a bug.", level, optname);
return FAILURE;
}
if (retval != 0) {
if (retval != -2) { /* error, but message already emitted */
PHP_SOCKET_ERROR(php_sock, "unable to set socket option", errno);
}
return FAILURE;
}
return SUCCESS;
}
/* {{{ proto bool socket_set_option(resource socket, int level, int optname, int|array optval)
Sets socket options for the socket */
PHP_FUNCTION(socket_set_option)
{
zval *arg1, **arg4;
struct linger lv;
php_socket *php_sock;
int ov, optlen, retval;
#ifdef PHP_WIN32
int timeout;
#else
struct timeval tv;
#endif
long level, optname;
void *opt_ptr;
HashTable *opt_ht;
zval **l_onoff, **l_linger;
zval **sec, **usec;
/* Multicast */
unsigned int if_index;
struct in_addr if_addr;
unsigned char ipv4_mcast_ttl_lback;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllZ", &arg1, &level, &optname, &arg4) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket *, &arg1, -1, le_socket_name, le_socket);
set_errno(0);
if (level == IPPROTO_IP) {
switch (optname) {
case MCAST_JOIN_GROUP:
case MCAST_LEAVE_GROUP:
#ifdef HAS_MCAST_EXT
case MCAST_BLOCK_SOURCE:
case MCAST_UNBLOCK_SOURCE:
case MCAST_JOIN_SOURCE_GROUP:
case MCAST_LEAVE_SOURCE_GROUP:
#endif
if (php_do_mcast_opt(php_sock, level, optname, arg4 TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
case IP_MULTICAST_IF:
if (php_get_if_index_from_zval(*arg4, &if_index TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
}
if (php_if_index_to_addr4(if_index, php_sock, &if_addr TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
}
opt_ptr = &if_addr;
optlen = sizeof(if_addr);
goto dosockopt;
case IP_MULTICAST_LOOP:
convert_to_boolean_ex(arg4);
goto ipv4_loop_ttl;
case IP_MULTICAST_TTL:
convert_to_long_ex(arg4);
if (Z_LVAL_PP(arg4) < 0L || Z_LVAL_PP(arg4) > 255L) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"Expected a value between 0 and 255");
RETURN_FALSE;
}
ipv4_loop_ttl:
ipv4_mcast_ttl_lback = (unsigned char) Z_LVAL_PP(arg4);
opt_ptr = &ipv4_mcast_ttl_lback;
optlen = sizeof(ipv4_mcast_ttl_lback);
goto dosockopt;
}
}
#if HAVE_IPV6
else if (level == IPPROTO_IPV6) {
switch (optname) {
case MCAST_JOIN_GROUP:
case MCAST_LEAVE_GROUP:
#ifdef HAS_MCAST_EXT
case MCAST_BLOCK_SOURCE:
case MCAST_UNBLOCK_SOURCE:
case MCAST_JOIN_SOURCE_GROUP:
case MCAST_LEAVE_SOURCE_GROUP:
#endif
if (php_do_mcast_opt(php_sock, level, optname, arg4 TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
case IPV6_MULTICAST_IF:
if (php_get_if_index_from_zval(*arg4, &if_index TSRMLS_CC) == FAILURE) {
RETURN_FALSE;
}
opt_ptr = &if_index;
optlen = sizeof(if_index);
goto dosockopt;
case IPV6_MULTICAST_LOOP:
convert_to_boolean_ex(arg4);
goto ipv6_loop_hops;
case IPV6_MULTICAST_HOPS:
convert_to_long_ex(arg4);
if (Z_LVAL_PP(arg4) < -1L || Z_LVAL_PP(arg4) > 255L) {
php_error_docref(NULL TSRMLS_CC, E_WARNING,
"Expected a value between -1 and 255");
RETURN_FALSE;
}
ipv6_loop_hops:
ov = (int) Z_LVAL_PP(arg4);
opt_ptr = &ov;
optlen = sizeof(ov);
goto dosockopt;
}
}
#endif
switch (optname) {
case SO_LINGER: {
const char l_onoff_key[] = "l_onoff";
const char l_linger_key[] = "l_linger";
convert_to_array_ex(arg4);
opt_ht = HASH_OF(*arg4);
if (zend_hash_find(opt_ht, l_onoff_key, sizeof(l_onoff_key), (void **)&l_onoff) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "no key \"%s\" passed in optval", l_onoff_key);
RETURN_FALSE;
}
if (zend_hash_find(opt_ht, l_linger_key, sizeof(l_linger_key), (void **)&l_linger) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "no key \"%s\" passed in optval", l_linger_key);
RETURN_FALSE;
}
convert_to_long_ex(l_onoff);
convert_to_long_ex(l_linger);
lv.l_onoff = (unsigned short)Z_LVAL_PP(l_onoff);
lv.l_linger = (unsigned short)Z_LVAL_PP(l_linger);
optlen = sizeof(lv);
opt_ptr = &lv;
break;
}
case SO_RCVTIMEO:
case SO_SNDTIMEO: {
const char sec_key[] = "sec";
const char usec_key[] = "usec";
convert_to_array_ex(arg4);
opt_ht = HASH_OF(*arg4);
if (zend_hash_find(opt_ht, sec_key, sizeof(sec_key), (void **)&sec) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "no key \"%s\" passed in optval", sec_key);
RETURN_FALSE;
}
if (zend_hash_find(opt_ht, usec_key, sizeof(usec_key), (void **)&usec) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "no key \"%s\" passed in optval", usec_key);
RETURN_FALSE;
}
convert_to_long_ex(sec);
convert_to_long_ex(usec);
#ifndef PHP_WIN32
tv.tv_sec = Z_LVAL_PP(sec);
tv.tv_usec = Z_LVAL_PP(usec);
optlen = sizeof(tv);
opt_ptr = &tv;
#else
timeout = Z_LVAL_PP(sec) * 1000 + Z_LVAL_PP(usec) / 1000;
optlen = sizeof(int);
opt_ptr = &timeout;
#endif
break;
}
#ifdef SO_BINDTODEVICE
case SO_BINDTODEVICE: {
if (Z_TYPE_PP(arg4) == IS_STRING) {
opt_ptr = Z_STRVAL_PP(arg4);
optlen = Z_STRLEN_PP(arg4);
} else {
opt_ptr = "";
optlen = 0;
}
break;
}
#endif
default:
convert_to_long_ex(arg4);
ov = Z_LVAL_PP(arg4);
optlen = sizeof(ov);
opt_ptr = &ov;
break;
}
dosockopt:
retval = setsockopt(php_sock->bsd_socket, level, optname, opt_ptr, optlen);
if (retval != 0) {
if (retval != -2) { /* error, but message already emitted */
PHP_SOCKET_ERROR(php_sock, "unable to set socket option", errno);
}
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
#ifdef HAVE_SOCKETPAIR
/* {{{ proto bool socket_create_pair(int domain, int type, int protocol, array &fd) U
Creates a pair of indistinguishable sockets and stores them in fds. */
PHP_FUNCTION(socket_create_pair)
{
zval *retval[2], *fds_array_zval;
php_socket *php_sock[2];
PHP_SOCKET fds_array[2];
long domain, type, protocol;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lllz", &domain, &type, &protocol, &fds_array_zval) == FAILURE) {
return;
}
php_sock[0] = php_create_socket();
php_sock[1] = php_create_socket();
if (domain != AF_INET
#if HAVE_IPV6
&& domain != AF_INET6
#endif
&& domain != AF_UNIX) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid socket domain [%ld] specified for argument 1, assuming AF_INET", domain);
domain = AF_INET;
}
if (type > 10) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid socket type [%ld] specified for argument 2, assuming SOCK_STREAM", type);
type = SOCK_STREAM;
}
if (socketpair(domain, type, protocol, fds_array) != 0) {
SOCKETS_G(last_error) = errno;
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to create socket pair [%d]: %s", errno, php_strerror(errno TSRMLS_CC));
efree(php_sock[0]);
efree(php_sock[1]);
RETURN_FALSE;
}
zval_dtor(fds_array_zval);
array_init(fds_array_zval);
MAKE_STD_ZVAL(retval[0]);
MAKE_STD_ZVAL(retval[1]);
php_sock[0]->bsd_socket = fds_array[0];
php_sock[1]->bsd_socket = fds_array[1];
php_sock[0]->type = domain;
php_sock[1]->type = domain;
php_sock[0]->error = 0;
php_sock[1]->error = 0;
php_sock[0]->blocking = 1;
php_sock[1]->blocking = 1;
ZEND_REGISTER_RESOURCE(retval[0], php_sock[0], le_socket);
ZEND_REGISTER_RESOURCE(retval[1], php_sock[1], le_socket);
add_index_zval(fds_array_zval, 0, retval[0]);
add_index_zval(fds_array_zval, 1, retval[1]);
RETURN_TRUE;
}
/* }}} */
#endif
#ifdef HAVE_SHUTDOWN
/* {{{ proto bool socket_shutdown(resource socket[, int how]) U
Shuts down a socket for receiving, sending, or both. */
PHP_FUNCTION(socket_shutdown)
{
zval *arg1;
long how_shutdown = 2;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &arg1, &how_shutdown) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(php_sock, php_socket*, &arg1, -1, le_socket_name, le_socket);
if (shutdown(php_sock->bsd_socket, how_shutdown) != 0) {
PHP_SOCKET_ERROR(php_sock, "unable to shutdown socket", errno);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
#endif
/* {{{ proto int socket_last_error([resource socket]) U
Returns the last socket error (either the last used or the provided socket resource) */
PHP_FUNCTION(socket_last_error)
{
zval *arg1 = NULL;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &arg1) == FAILURE) {
return;
}
if (arg1) {
ZEND_FETCH_RESOURCE(php_sock, php_socket*, &arg1, -1, le_socket_name, le_socket);
RETVAL_LONG(php_sock->error);
} else {
RETVAL_LONG(SOCKETS_G(last_error));
}
}
/* }}} */
/* {{{ proto void socket_clear_error([resource socket]) U
Clears the error on the socket or the last error code. */
PHP_FUNCTION(socket_clear_error)
{
zval *arg1 = NULL;
php_socket *php_sock;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &arg1) == FAILURE) {
return;
}
if (arg1) {
ZEND_FETCH_RESOURCE(php_sock, php_socket*, &arg1, -1, le_socket_name, le_socket);
php_sock->error = 0;
} else {
SOCKETS_G(last_error) = 0;
}
return;
}
/* }}} */
/* {{{ proto void socket_import_stream(resource stream)
Imports a stream that encapsulates a socket into a socket extension resource. */
PHP_FUNCTION(socket_import_stream)
{
zval *zstream;
php_stream *stream;
php_socket *retsock = NULL;
PHP_SOCKET socket; /* fd */
php_sockaddr_storage addr;
socklen_t addr_len = sizeof(addr);
#ifndef PHP_WIN32
int t;
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zstream) == FAILURE) {
return;
}
php_stream_from_zval(stream, &zstream);
if (php_stream_cast(stream, PHP_STREAM_AS_SOCKETD, (void**)&socket, 1)) {
/* error supposedly already shown */
RETURN_FALSE;
}
retsock = php_create_socket();
retsock->bsd_socket = socket;
/* determine family */
if (getsockname(socket, (struct sockaddr*)&addr, &addr_len) == 0) {
retsock->type = addr.ss_family;
} else {
PHP_SOCKET_ERROR(retsock, "unable to obtain socket family", errno);
goto error;
}
/* determine blocking mode */
#ifndef PHP_WIN32
t = fcntl(socket, F_GETFL);
if(t == -1) {
PHP_SOCKET_ERROR(retsock, "unable to obtain blocking state", errno);
goto error;
} else {
retsock->blocking = !(t & O_NONBLOCK);
}
#else
/* on windows, check if the stream is a socket stream and read its
* private data; otherwise assume it's in non-blocking mode */
if (php_stream_is(stream, PHP_STREAM_IS_SOCKET)) {
retsock->blocking =
((php_netstream_data_t *)stream->abstract)->is_blocked;
} else {
retsock->blocking = 1;
}
#endif
/* hold a zval reference to the stream (holding a php_stream* directly could
* also be done, but this might be slightly better if in the future we want
* to provide a socket_export_stream) */
MAKE_STD_ZVAL(retsock->zstream);
*retsock->zstream = *zstream;
zval_copy_ctor(retsock->zstream);
Z_UNSET_ISREF_P(retsock->zstream);
Z_SET_REFCOUNT_P(retsock->zstream, 1);
php_stream_set_option(stream, PHP_STREAM_OPTION_READ_BUFFER,
PHP_STREAM_BUFFER_NONE, NULL);
ZEND_REGISTER_RESOURCE(return_value, retsock, le_socket);
return;
error:
if (retsock != NULL)
efree(retsock);
RETURN_FALSE;
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: fdm=marker
* vim: noet sw=4 ts=4
*/
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