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 PHP: Test and Code Coverage Analysis
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LCOV - code coverage report
Current view: top level - ext/sockets - sockets.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 699 873 80.1 %
Date: 2016-02-09 Functions: 40 41 97.6 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :    +----------------------------------------------------------------------+
       3             :    | PHP Version 7                                                        |
       4             :    +----------------------------------------------------------------------+
       5             :    | Copyright (c) 1997-2016 The PHP Group                                |
       6             :    +----------------------------------------------------------------------+
       7             :    | This source file is subject to version 3.01 of the PHP license,      |
       8             :    | that is bundled with this package in the file LICENSE, and is        |
       9             :    | available through the world-wide-web at the following url:           |
      10             :    | http://www.php.net/license/3_01.txt                                  |
      11             :    | If you did not receive a copy of the PHP license and are unable to   |
      12             :    | obtain it through the world-wide-web, please send a note to          |
      13             :    | license@php.net so we can mail you a copy immediately.               |
      14             :    +----------------------------------------------------------------------+
      15             :    | Authors: Chris Vandomelen <chrisv@b0rked.dhs.org>                    |
      16             :    |          Sterling Hughes  <sterling@php.net>                         |
      17             :    |          Jason Greene     <jason@php.net>                            |
      18             :    |          Gustavo Lopes    <cataphract@php.net>                       |
      19             :    | WinSock: Daniel Beulshausen <daniel@php4win.de>                      |
      20             :    +----------------------------------------------------------------------+
      21             :  */
      22             : 
      23             : /* $Id$ */
      24             : 
      25             : #ifdef HAVE_CONFIG_H
      26             : #include "config.h"
      27             : #endif
      28             : 
      29             : #include "php.h"
      30             : 
      31             : #include "php_network.h"
      32             : #include "ext/standard/file.h"
      33             : #include "ext/standard/info.h"
      34             : #include "php_ini.h"
      35             : #ifdef PHP_WIN32
      36             : # include "windows_common.h"
      37             : # include <win32/inet.h>
      38             : # include <windows.h>
      39             : # include <Ws2tcpip.h>
      40             : # include "php_sockets.h"
      41             : # include <win32/sockets.h>
      42             : #else
      43             : # include <sys/types.h>
      44             : # include <sys/socket.h>
      45             : # include <netdb.h>
      46             : # include <netinet/in.h>
      47             : # include <netinet/tcp.h>
      48             : # include <sys/un.h>
      49             : # include <arpa/inet.h>
      50             : # include <sys/time.h>
      51             : # include <unistd.h>
      52             : # include <errno.h>
      53             : # include <fcntl.h>
      54             : # include <signal.h>
      55             : # include <sys/uio.h>
      56             : # define IS_INVALID_SOCKET(a)   (a->bsd_socket < 0)
      57             : # define set_errno(a) (errno = a)
      58             : # include "php_sockets.h"
      59             : # if HAVE_IF_NAMETOINDEX
      60             : #  include <net/if.h>
      61             : # endif
      62             : #endif
      63             : 
      64             : #include <stddef.h>
      65             : 
      66             : #include "sockaddr_conv.h"
      67             : #include "multicast.h"
      68             : #include "sendrecvmsg.h"
      69             : 
      70             : ZEND_DECLARE_MODULE_GLOBALS(sockets)
      71             : 
      72             : #ifndef MSG_WAITALL
      73             : #ifdef LINUX
      74             : #define MSG_WAITALL 0x00000100
      75             : #else
      76             : #define MSG_WAITALL 0x00000000
      77             : #endif
      78             : #endif
      79             : 
      80             : #ifndef MSG_EOF
      81             : #ifdef MSG_FIN
      82             : #define MSG_EOF MSG_FIN
      83             : #endif
      84             : #endif
      85             : 
      86             : #ifndef SUN_LEN
      87             : #define SUN_LEN(su) (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
      88             : #endif
      89             : 
      90             : #ifndef PF_INET
      91             : #define PF_INET AF_INET
      92             : #endif
      93             : 
      94             : #define PHP_NORMAL_READ 0x0001
      95             : #define PHP_BINARY_READ 0x0002
      96             : 
      97             : static int le_socket;
      98             : #define le_socket_name php_sockets_le_socket_name
      99             : 
     100             : /* {{{ arginfo */
     101             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_select, 0, 0, 4)
     102             :         ZEND_ARG_INFO(1, read_fds)
     103             :         ZEND_ARG_INFO(1, write_fds)
     104             :         ZEND_ARG_INFO(1, except_fds)
     105             :         ZEND_ARG_INFO(0, tv_sec)
     106             :         ZEND_ARG_INFO(0, tv_usec)
     107             : ZEND_END_ARG_INFO()
     108             : 
     109             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_create_listen, 0, 0, 1)
     110             :         ZEND_ARG_INFO(0, port)
     111             :         ZEND_ARG_INFO(0, backlog)
     112             : ZEND_END_ARG_INFO()
     113             : 
     114             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_accept, 0, 0, 1)
     115             :         ZEND_ARG_INFO(0, socket)
     116             : ZEND_END_ARG_INFO()
     117             : 
     118             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_set_nonblock, 0, 0, 1)
     119             :         ZEND_ARG_INFO(0, socket)
     120             : ZEND_END_ARG_INFO()
     121             : 
     122             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_set_block, 0, 0, 1)
     123             :         ZEND_ARG_INFO(0, socket)
     124             : ZEND_END_ARG_INFO()
     125             : 
     126             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_listen, 0, 0, 1)
     127             :         ZEND_ARG_INFO(0, socket)
     128             :         ZEND_ARG_INFO(0, backlog)
     129             : ZEND_END_ARG_INFO()
     130             : 
     131             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_close, 0, 0, 1)
     132             :         ZEND_ARG_INFO(0, socket)
     133             : ZEND_END_ARG_INFO()
     134             : 
     135             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_write, 0, 0, 2)
     136             :         ZEND_ARG_INFO(0, socket)
     137             :         ZEND_ARG_INFO(0, buf)
     138             :         ZEND_ARG_INFO(0, length)
     139             : ZEND_END_ARG_INFO()
     140             : 
     141             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_read, 0, 0, 2)
     142             :         ZEND_ARG_INFO(0, socket)
     143             :         ZEND_ARG_INFO(0, length)
     144             :         ZEND_ARG_INFO(0, type)
     145             : ZEND_END_ARG_INFO()
     146             : 
     147             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_getsockname, 0, 0, 2)
     148             :         ZEND_ARG_INFO(0, socket)
     149             :         ZEND_ARG_INFO(1, addr)
     150             :         ZEND_ARG_INFO(1, port)
     151             : ZEND_END_ARG_INFO()
     152             : 
     153             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_getpeername, 0, 0, 2)
     154             :         ZEND_ARG_INFO(0, socket)
     155             :         ZEND_ARG_INFO(1, addr)
     156             :         ZEND_ARG_INFO(1, port)
     157             : ZEND_END_ARG_INFO()
     158             : 
     159             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_create, 0, 0, 3)
     160             :         ZEND_ARG_INFO(0, domain)
     161             :         ZEND_ARG_INFO(0, type)
     162             :         ZEND_ARG_INFO(0, protocol)
     163             : ZEND_END_ARG_INFO()
     164             : 
     165             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_connect, 0, 0, 2)
     166             :         ZEND_ARG_INFO(0, socket)
     167             :         ZEND_ARG_INFO(0, addr)
     168             :         ZEND_ARG_INFO(0, port)
     169             : ZEND_END_ARG_INFO()
     170             : 
     171             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_strerror, 0, 0, 1)
     172             :         ZEND_ARG_INFO(0, errno)
     173             : ZEND_END_ARG_INFO()
     174             : 
     175             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_bind, 0, 0, 2)
     176             :         ZEND_ARG_INFO(0, socket)
     177             :         ZEND_ARG_INFO(0, addr)
     178             :         ZEND_ARG_INFO(0, port)
     179             : ZEND_END_ARG_INFO()
     180             : 
     181             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_recv, 0, 0, 4)
     182             :         ZEND_ARG_INFO(0, socket)
     183             :         ZEND_ARG_INFO(1, buf)
     184             :         ZEND_ARG_INFO(0, len)
     185             :         ZEND_ARG_INFO(0, flags)
     186             : ZEND_END_ARG_INFO()
     187             : 
     188             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_send, 0, 0, 4)
     189             :         ZEND_ARG_INFO(0, socket)
     190             :         ZEND_ARG_INFO(0, buf)
     191             :         ZEND_ARG_INFO(0, len)
     192             :         ZEND_ARG_INFO(0, flags)
     193             : ZEND_END_ARG_INFO()
     194             : 
     195             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_recvfrom, 0, 0, 5)
     196             :         ZEND_ARG_INFO(0, socket)
     197             :         ZEND_ARG_INFO(1, buf)
     198             :         ZEND_ARG_INFO(0, len)
     199             :         ZEND_ARG_INFO(0, flags)
     200             :         ZEND_ARG_INFO(1, name)
     201             :         ZEND_ARG_INFO(1, port)
     202             : ZEND_END_ARG_INFO()
     203             : 
     204             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_sendto, 0, 0, 5)
     205             :         ZEND_ARG_INFO(0, socket)
     206             :         ZEND_ARG_INFO(0, buf)
     207             :         ZEND_ARG_INFO(0, len)
     208             :         ZEND_ARG_INFO(0, flags)
     209             :         ZEND_ARG_INFO(0, addr)
     210             :         ZEND_ARG_INFO(0, port)
     211             : ZEND_END_ARG_INFO()
     212             : 
     213             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_get_option, 0, 0, 3)
     214             :         ZEND_ARG_INFO(0, socket)
     215             :         ZEND_ARG_INFO(0, level)
     216             :         ZEND_ARG_INFO(0, optname)
     217             : ZEND_END_ARG_INFO()
     218             : 
     219             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_set_option, 0, 0, 4)
     220             :         ZEND_ARG_INFO(0, socket)
     221             :         ZEND_ARG_INFO(0, level)
     222             :         ZEND_ARG_INFO(0, optname)
     223             :         ZEND_ARG_INFO(0, optval)
     224             : ZEND_END_ARG_INFO()
     225             : 
     226             : #ifdef HAVE_SOCKETPAIR
     227             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_create_pair, 0, 0, 4)
     228             :         ZEND_ARG_INFO(0, domain)
     229             :         ZEND_ARG_INFO(0, type)
     230             :         ZEND_ARG_INFO(0, protocol)
     231             :         ZEND_ARG_INFO(1, fd)
     232             : ZEND_END_ARG_INFO()
     233             : #endif
     234             : 
     235             : #ifdef HAVE_SHUTDOWN
     236             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_shutdown, 0, 0, 1)
     237             :         ZEND_ARG_INFO(0, socket)
     238             :         ZEND_ARG_INFO(0, how)
     239             : ZEND_END_ARG_INFO()
     240             : #endif
     241             : 
     242             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_last_error, 0, 0, 0)
     243             :         ZEND_ARG_INFO(0, socket)
     244             : ZEND_END_ARG_INFO()
     245             : 
     246             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_clear_error, 0, 0, 0)
     247             :         ZEND_ARG_INFO(0, socket)
     248             : ZEND_END_ARG_INFO()
     249             : 
     250             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_import_stream, 0, 0, 1)
     251             :         ZEND_ARG_INFO(0, stream)
     252             : ZEND_END_ARG_INFO()
     253             : 
     254             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_sendmsg, 0, 0, 3)
     255             :         ZEND_ARG_INFO(0, socket)
     256             :         ZEND_ARG_INFO(0, msghdr)
     257             :         ZEND_ARG_INFO(0, flags)
     258             : ZEND_END_ARG_INFO()
     259             : 
     260             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_recvmsg, 0, 0, 3)
     261             :         ZEND_ARG_INFO(0, socket)
     262             :         ZEND_ARG_INFO(1, msghdr)
     263             :         ZEND_ARG_INFO(0, flags)
     264             : ZEND_END_ARG_INFO()
     265             : 
     266             : ZEND_BEGIN_ARG_INFO_EX(arginfo_socket_cmsg_space, 0, 0, 2)
     267             :         ZEND_ARG_INFO(0, level)
     268             :         ZEND_ARG_INFO(0, type)
     269             : ZEND_END_ARG_INFO()
     270             : /* }}} */
     271             : 
     272             : static PHP_GINIT_FUNCTION(sockets);
     273             : static PHP_MINIT_FUNCTION(sockets);
     274             : static PHP_MSHUTDOWN_FUNCTION(sockets);
     275             : static PHP_MINFO_FUNCTION(sockets);
     276             : static PHP_RSHUTDOWN_FUNCTION(sockets);
     277             : 
     278             : PHP_FUNCTION(socket_select);
     279             : PHP_FUNCTION(socket_create_listen);
     280             : #ifdef HAVE_SOCKETPAIR
     281             : PHP_FUNCTION(socket_create_pair);
     282             : #endif
     283             : PHP_FUNCTION(socket_accept);
     284             : PHP_FUNCTION(socket_set_nonblock);
     285             : PHP_FUNCTION(socket_set_block);
     286             : PHP_FUNCTION(socket_listen);
     287             : PHP_FUNCTION(socket_close);
     288             : PHP_FUNCTION(socket_write);
     289             : PHP_FUNCTION(socket_read);
     290             : PHP_FUNCTION(socket_getsockname);
     291             : PHP_FUNCTION(socket_getpeername);
     292             : PHP_FUNCTION(socket_create);
     293             : PHP_FUNCTION(socket_connect);
     294             : PHP_FUNCTION(socket_strerror);
     295             : PHP_FUNCTION(socket_bind);
     296             : PHP_FUNCTION(socket_recv);
     297             : PHP_FUNCTION(socket_send);
     298             : PHP_FUNCTION(socket_recvfrom);
     299             : PHP_FUNCTION(socket_sendto);
     300             : PHP_FUNCTION(socket_get_option);
     301             : PHP_FUNCTION(socket_set_option);
     302             : #ifdef HAVE_SHUTDOWN
     303             : PHP_FUNCTION(socket_shutdown);
     304             : #endif
     305             : PHP_FUNCTION(socket_last_error);
     306             : PHP_FUNCTION(socket_clear_error);
     307             : PHP_FUNCTION(socket_import_stream);
     308             : 
     309             : /* {{{ sockets_functions[]
     310             :  */
     311             : const zend_function_entry sockets_functions[] = {
     312             :         PHP_FE(socket_select,                   arginfo_socket_select)
     313             :         PHP_FE(socket_create,                   arginfo_socket_create)
     314             :         PHP_FE(socket_create_listen,    arginfo_socket_create_listen)
     315             : #ifdef HAVE_SOCKETPAIR
     316             :         PHP_FE(socket_create_pair,              arginfo_socket_create_pair)
     317             : #endif
     318             :         PHP_FE(socket_accept,                   arginfo_socket_accept)
     319             :         PHP_FE(socket_set_nonblock,             arginfo_socket_set_nonblock)
     320             :         PHP_FE(socket_set_block,                arginfo_socket_set_block)
     321             :         PHP_FE(socket_listen,                   arginfo_socket_listen)
     322             :         PHP_FE(socket_close,                    arginfo_socket_close)
     323             :         PHP_FE(socket_write,                    arginfo_socket_write)
     324             :         PHP_FE(socket_read,                             arginfo_socket_read)
     325             :         PHP_FE(socket_getsockname,              arginfo_socket_getsockname)
     326             :         PHP_FE(socket_getpeername,              arginfo_socket_getpeername)
     327             :         PHP_FE(socket_connect,                  arginfo_socket_connect)
     328             :         PHP_FE(socket_strerror,                 arginfo_socket_strerror)
     329             :         PHP_FE(socket_bind,                             arginfo_socket_bind)
     330             :         PHP_FE(socket_recv,                             arginfo_socket_recv)
     331             :         PHP_FE(socket_send,                             arginfo_socket_send)
     332             :         PHP_FE(socket_recvfrom,                 arginfo_socket_recvfrom)
     333             :         PHP_FE(socket_sendto,                   arginfo_socket_sendto)
     334             :         PHP_FE(socket_get_option,               arginfo_socket_get_option)
     335             :         PHP_FE(socket_set_option,               arginfo_socket_set_option)
     336             : #ifdef HAVE_SHUTDOWN
     337             :         PHP_FE(socket_shutdown,                 arginfo_socket_shutdown)
     338             : #endif
     339             :         PHP_FE(socket_last_error,               arginfo_socket_last_error)
     340             :         PHP_FE(socket_clear_error,              arginfo_socket_clear_error)
     341             :         PHP_FE(socket_import_stream,    arginfo_socket_import_stream)
     342             :         PHP_FE(socket_sendmsg,                  arginfo_socket_sendmsg)
     343             :         PHP_FE(socket_recvmsg,                  arginfo_socket_recvmsg)
     344             :         PHP_FE(socket_cmsg_space,               arginfo_socket_cmsg_space)
     345             : 
     346             :         /* for downwards compatibility */
     347             :         PHP_FALIAS(socket_getopt, socket_get_option, arginfo_socket_get_option)
     348             :         PHP_FALIAS(socket_setopt, socket_set_option, arginfo_socket_set_option)
     349             : 
     350             :         PHP_FE_END
     351             : };
     352             : /* }}} */
     353             : 
     354             : zend_module_entry sockets_module_entry = {
     355             :         STANDARD_MODULE_HEADER,
     356             :         "sockets",
     357             :         sockets_functions,
     358             :         PHP_MINIT(sockets),
     359             :         PHP_MSHUTDOWN(sockets),
     360             :         NULL,
     361             :         PHP_RSHUTDOWN(sockets),
     362             :         PHP_MINFO(sockets),
     363             :         PHP_SOCKETS_VERSION,
     364             :         PHP_MODULE_GLOBALS(sockets),
     365             :         PHP_GINIT(sockets),
     366             :         NULL,
     367             :         NULL,
     368             :         STANDARD_MODULE_PROPERTIES_EX
     369             : };
     370             : 
     371             : 
     372             : #ifdef COMPILE_DL_SOCKETS
     373             : #ifdef ZTS
     374             :         ZEND_TSRMLS_CACHE_DEFINE();
     375             : #endif
     376             : ZEND_GET_MODULE(sockets)
     377             : #endif
     378             : 
     379             : /* inet_ntop should be used instead of inet_ntoa */
     380             : int inet_ntoa_lock = 0;
     381             : 
     382          12 : PHP_SOCKETS_API int php_sockets_le_socket(void) /* {{{ */
     383             : {
     384          12 :         return le_socket;
     385             : }
     386             : /* }}} */
     387             : 
     388             : /* allocating function to make programming errors due to uninitialized fields
     389             :  * less likely */
     390         107 : PHP_SOCKETS_API php_socket *php_create_socket(void) /* {{{ */
     391             : {
     392         107 :         php_socket *php_sock = emalloc(sizeof(php_socket));
     393             : 
     394         107 :         php_sock->bsd_socket = -1; /* invalid socket */
     395         107 :         php_sock->type                = PF_UNSPEC;
     396         107 :         php_sock->error               = 0;
     397         107 :         php_sock->blocking    = 1;
     398         107 :         ZVAL_UNDEF(&php_sock->zstream);
     399             : 
     400         107 :         return php_sock;
     401             : }
     402             : /* }}} */
     403             : 
     404          92 : PHP_SOCKETS_API void php_destroy_socket(zend_resource *rsrc) /* {{{ */
     405             : {
     406          92 :         php_socket *php_sock = rsrc->ptr;
     407             : 
     408         184 :         if (Z_ISUNDEF(php_sock->zstream)) {
     409          85 :                 if (!IS_INVALID_SOCKET(php_sock)) {
     410          85 :                         close(php_sock->bsd_socket);
     411             :                 }
     412             :         } else {
     413           7 :                 zval_ptr_dtor(&php_sock->zstream);
     414             :         }
     415          92 :         efree(php_sock);
     416          92 : }
     417             : /* }}} */
     418             : 
     419          13 : static int php_open_listen_sock(php_socket **php_sock, int port, int backlog) /* {{{ */
     420             : {
     421             :         struct sockaddr_in  la;
     422             :         struct hostent          *hp;
     423          13 :         php_socket                      *sock = php_create_socket();
     424             : 
     425          13 :         *php_sock = sock;
     426             : 
     427             : #ifndef PHP_WIN32
     428          13 :         if ((hp = gethostbyname("0.0.0.0")) == NULL) {
     429             : #else
     430             :         if ((hp = gethostbyname("localhost")) == NULL) {
     431             : #endif
     432           0 :                 efree(sock);
     433           0 :                 return 0;
     434             :         }
     435             : 
     436          13 :         memcpy((char *) &la.sin_addr, hp->h_addr, hp->h_length);
     437          13 :         la.sin_family = hp->h_addrtype;
     438          13 :         la.sin_port = htons((unsigned short) port);
     439             : 
     440          13 :         sock->bsd_socket = socket(PF_INET, SOCK_STREAM, 0);
     441          13 :         sock->blocking = 1;
     442             : 
     443          13 :         if (IS_INVALID_SOCKET(sock)) {
     444           0 :                 PHP_SOCKET_ERROR(sock, "unable to create listening socket", errno);
     445           0 :                 efree(sock);
     446           0 :                 return 0;
     447             :         }
     448             : 
     449          13 :         sock->type = PF_INET;
     450             : 
     451          13 :         if (bind(sock->bsd_socket, (struct sockaddr *)&la, sizeof(la)) != 0) {
     452           2 :                 PHP_SOCKET_ERROR(sock, "unable to bind to given address", errno);
     453           2 :                 close(sock->bsd_socket);
     454           2 :                 efree(sock);
     455           2 :                 return 0;
     456             :         }
     457             : 
     458          11 :         if (listen(sock->bsd_socket, backlog) != 0) {
     459           0 :                 PHP_SOCKET_ERROR(sock, "unable to listen on socket", errno);
     460           0 :                 close(sock->bsd_socket);
     461           0 :                 efree(sock);
     462           0 :                 return 0;
     463             :         }
     464             : 
     465          11 :         return 1;
     466             : }
     467             : /* }}} */
     468             : 
     469           6 : static int php_accept_connect(php_socket *in_sock, php_socket **new_sock, struct sockaddr *la, socklen_t *la_len) /* {{{ */
     470             : {
     471           6 :         php_socket      *out_sock = php_create_socket();
     472             : 
     473           6 :         *new_sock = out_sock;
     474             : 
     475           6 :         out_sock->bsd_socket = accept(in_sock->bsd_socket, la, la_len);
     476             : 
     477           6 :         if (IS_INVALID_SOCKET(out_sock)) {
     478           0 :                 PHP_SOCKET_ERROR(out_sock, "unable to accept incoming connection", errno);
     479           0 :                 efree(out_sock);
     480           0 :                 return 0;
     481             :         }
     482             : 
     483           6 :         out_sock->error = 0;
     484           6 :         out_sock->blocking = 1;
     485           6 :         out_sock->type = la->sa_family;
     486             : 
     487           6 :         return 1;
     488             : }
     489             : /* }}} */
     490             : 
     491             : /* {{{ php_read -- wrapper around read() so that it only reads to a \r or \n. */
     492           0 : static int php_read(php_socket *sock, void *buf, size_t maxlen, int flags)
     493             : {
     494           0 :         int m = 0;
     495           0 :         size_t n = 0;
     496           0 :         int no_read = 0;
     497           0 :         int nonblock = 0;
     498           0 :         char *t = (char *) buf;
     499             : 
     500             : #ifndef PHP_WIN32
     501           0 :         m = fcntl(sock->bsd_socket, F_GETFL);
     502           0 :         if (m < 0) {
     503           0 :                 return m;
     504             :         }
     505           0 :         nonblock = (m & O_NONBLOCK);
     506           0 :         m = 0;
     507             : #else
     508             :         nonblock = !sock->blocking;
     509             : #endif
     510           0 :         set_errno(0);
     511             : 
     512           0 :         *t = '\0';
     513           0 :         while (*t != '\n' && *t != '\r' && n < maxlen) {
     514           0 :                 if (m > 0) {
     515           0 :                         t++;
     516           0 :                         n++;
     517           0 :                 } else if (m == 0) {
     518           0 :                         no_read++;
     519           0 :                         if (nonblock && no_read >= 2) {
     520           0 :                                 return n;
     521             :                                 /* The first pass, m always is 0, so no_read becomes 1
     522             :                                  * in the first pass. no_read becomes 2 in the second pass,
     523             :                                  * and if this is nonblocking, we should return.. */
     524             :                         }
     525             : 
     526           0 :                         if (no_read > 200) {
     527           0 :                                 set_errno(ECONNRESET);
     528           0 :                                 return -1;
     529             :                         }
     530             :                 }
     531             : 
     532           0 :                 if (n < maxlen) {
     533           0 :                         m = recv(sock->bsd_socket, (void *) t, 1, flags);
     534             :                 }
     535             : 
     536           0 :                 if (errno != 0 && errno != ESPIPE && errno != EAGAIN) {
     537           0 :                         return -1;
     538             :                 }
     539             : 
     540           0 :                 set_errno(0);
     541             :         }
     542             : 
     543           0 :         if (n < maxlen) {
     544           0 :                 n++;
     545             :                 /* The only reasons it makes it to here is
     546             :                  * if '\n' or '\r' are encountered. So, increase
     547             :                  * the return by 1 to make up for the lack of the
     548             :                  * '\n' or '\r' in the count (since read() takes
     549             :                  * place at the end of the loop..) */
     550             :         }
     551             : 
     552           0 :         return n;
     553             : }
     554             : /* }}} */
     555             : 
     556         151 : char *sockets_strerror(int error) /* {{{ */
     557             : {
     558             :         const char *buf;
     559             : 
     560             : #ifndef PHP_WIN32
     561         151 :         if (error < -10000) {
     562           0 :                 error = -error - 10000;
     563             : 
     564             : #ifdef HAVE_HSTRERROR
     565           0 :                 buf = hstrerror(error);
     566             : #else
     567             :                 {
     568             :                         if (SOCKETS_G(strerror_buf)) {
     569             :                                 efree(SOCKETS_G(strerror_buf));
     570             :                         }
     571             : 
     572             :                         spprintf(&(SOCKETS_G(strerror_buf)), 0, "Host lookup error %d", error);
     573             :                         buf = SOCKETS_G(strerror_buf);
     574             :                 }
     575             : #endif
     576             :         } else {
     577         151 :                 buf = strerror(error);
     578             :         }
     579             : #else
     580             :         {
     581             :                 LPTSTR tmp = NULL;
     582             :                 buf = NULL;
     583             : 
     584             :                 if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
     585             :                         NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &tmp, 0, NULL)
     586             :                 ) {
     587             :                         if (SOCKETS_G(strerror_buf)) {
     588             :                                 efree(SOCKETS_G(strerror_buf));
     589             :                         }
     590             : 
     591             :                         SOCKETS_G(strerror_buf) = estrdup(tmp);
     592             :                         LocalFree(tmp);
     593             : 
     594             :                         buf = SOCKETS_G(strerror_buf);
     595             :                 }
     596             :         }
     597             : #endif
     598             : 
     599         151 :         return (buf ? (char *) buf : "");
     600             : }
     601             : /* }}} */
     602             : 
     603             : /* {{{ PHP_GINIT_FUNCTION */
     604       22570 : static PHP_GINIT_FUNCTION(sockets)
     605             : {
     606             : #if defined(COMPILE_DL_SOCKETS) && defined(ZTS)
     607             :         ZEND_TSRMLS_CACHE_UPDATE();
     608             : #endif
     609       22570 :         sockets_globals->last_error = 0;
     610       22570 :         sockets_globals->strerror_buf = NULL;
     611       22570 : }
     612             : /* }}} */
     613             : 
     614             : /* {{{ PHP_MINIT_FUNCTION
     615             :  */
     616       22570 : static PHP_MINIT_FUNCTION(sockets)
     617             : {
     618             : #if defined(COMPILE_DL_SOCKETS) && defined(ZTS)
     619             :         ZEND_TSRMLS_CACHE_UPDATE();
     620             : #endif
     621       22570 :         le_socket = zend_register_list_destructors_ex(php_destroy_socket, NULL, le_socket_name, module_number);
     622             : 
     623       22570 :         REGISTER_LONG_CONSTANT("AF_UNIX",             AF_UNIX,                CONST_CS | CONST_PERSISTENT);
     624       22570 :         REGISTER_LONG_CONSTANT("AF_INET",             AF_INET,                CONST_CS | CONST_PERSISTENT);
     625             : #if HAVE_IPV6
     626       22570 :         REGISTER_LONG_CONSTANT("AF_INET6",            AF_INET6,               CONST_CS | CONST_PERSISTENT);
     627             : #endif
     628       22570 :         REGISTER_LONG_CONSTANT("SOCK_STREAM", SOCK_STREAM,    CONST_CS | CONST_PERSISTENT);
     629       22570 :         REGISTER_LONG_CONSTANT("SOCK_DGRAM",  SOCK_DGRAM,             CONST_CS | CONST_PERSISTENT);
     630       22570 :         REGISTER_LONG_CONSTANT("SOCK_RAW",            SOCK_RAW,               CONST_CS | CONST_PERSISTENT);
     631       22570 :         REGISTER_LONG_CONSTANT("SOCK_SEQPACKET",SOCK_SEQPACKET, CONST_CS | CONST_PERSISTENT);
     632       22570 :         REGISTER_LONG_CONSTANT("SOCK_RDM",            SOCK_RDM,               CONST_CS | CONST_PERSISTENT);
     633             : 
     634       22570 :         REGISTER_LONG_CONSTANT("MSG_OOB",             MSG_OOB,                CONST_CS | CONST_PERSISTENT);
     635       22570 :         REGISTER_LONG_CONSTANT("MSG_WAITALL", MSG_WAITALL,    CONST_CS | CONST_PERSISTENT);
     636       22570 :         REGISTER_LONG_CONSTANT("MSG_CTRUNC",  MSG_CTRUNC,             CONST_CS | CONST_PERSISTENT);
     637       22570 :         REGISTER_LONG_CONSTANT("MSG_TRUNC",           MSG_TRUNC,              CONST_CS | CONST_PERSISTENT);
     638       22570 :         REGISTER_LONG_CONSTANT("MSG_PEEK",            MSG_PEEK,               CONST_CS | CONST_PERSISTENT);
     639       22570 :         REGISTER_LONG_CONSTANT("MSG_DONTROUTE", MSG_DONTROUTE,        CONST_CS | CONST_PERSISTENT);
     640             : #ifdef MSG_EOR
     641       22570 :         REGISTER_LONG_CONSTANT("MSG_EOR",             MSG_EOR,                CONST_CS | CONST_PERSISTENT);
     642             : #endif
     643             : #ifdef MSG_EOF
     644       22570 :         REGISTER_LONG_CONSTANT("MSG_EOF",             MSG_EOF,                CONST_CS | CONST_PERSISTENT);
     645             : #endif
     646             : 
     647             : #ifdef MSG_CONFIRM
     648       22570 :         REGISTER_LONG_CONSTANT("MSG_CONFIRM", MSG_CONFIRM,    CONST_CS | CONST_PERSISTENT);
     649             : #endif
     650             : #ifdef MSG_ERRQUEUE
     651       22570 :         REGISTER_LONG_CONSTANT("MSG_ERRQUEUE",        MSG_ERRQUEUE,   CONST_CS | CONST_PERSISTENT);
     652             : #endif
     653             : #ifdef MSG_NOSIGNAL
     654       22570 :         REGISTER_LONG_CONSTANT("MSG_NOSIGNAL",        MSG_NOSIGNAL,   CONST_CS | CONST_PERSISTENT);
     655             : #endif
     656             : #ifdef MSG_DONTWAIT
     657       22570 :         REGISTER_LONG_CONSTANT("MSG_DONTWAIT",        MSG_DONTWAIT,   CONST_CS | CONST_PERSISTENT);
     658             : #endif
     659             : #ifdef MSG_MORE
     660       22570 :         REGISTER_LONG_CONSTANT("MSG_MORE",            MSG_MORE,               CONST_CS | CONST_PERSISTENT);
     661             : #endif
     662             : #ifdef MSG_WAITFORONE
     663       22570 :         REGISTER_LONG_CONSTANT("MSG_WAITFORONE",MSG_WAITFORONE,       CONST_CS | CONST_PERSISTENT);
     664             : #endif
     665             : #ifdef MSG_CMSG_CLOEXEC
     666       22570 :         REGISTER_LONG_CONSTANT("MSG_CMSG_CLOEXEC",MSG_CMSG_CLOEXEC,CONST_CS | CONST_PERSISTENT);
     667             : #endif
     668             : 
     669       22570 :         REGISTER_LONG_CONSTANT("SO_DEBUG",            SO_DEBUG,               CONST_CS | CONST_PERSISTENT);
     670       22570 :         REGISTER_LONG_CONSTANT("SO_REUSEADDR",        SO_REUSEADDR,   CONST_CS | CONST_PERSISTENT);
     671             : #ifdef SO_REUSEPORT
     672       22570 :         REGISTER_LONG_CONSTANT("SO_REUSEPORT",        SO_REUSEPORT,   CONST_CS | CONST_PERSISTENT);
     673             : #endif
     674       22570 :         REGISTER_LONG_CONSTANT("SO_KEEPALIVE",        SO_KEEPALIVE,   CONST_CS | CONST_PERSISTENT);
     675       22570 :         REGISTER_LONG_CONSTANT("SO_DONTROUTE",        SO_DONTROUTE,   CONST_CS | CONST_PERSISTENT);
     676       22570 :         REGISTER_LONG_CONSTANT("SO_LINGER",           SO_LINGER,              CONST_CS | CONST_PERSISTENT);
     677       22570 :         REGISTER_LONG_CONSTANT("SO_BROADCAST",        SO_BROADCAST,   CONST_CS | CONST_PERSISTENT);
     678       22570 :         REGISTER_LONG_CONSTANT("SO_OOBINLINE",        SO_OOBINLINE,   CONST_CS | CONST_PERSISTENT);
     679       22570 :         REGISTER_LONG_CONSTANT("SO_SNDBUF",           SO_SNDBUF,              CONST_CS | CONST_PERSISTENT);
     680       22570 :         REGISTER_LONG_CONSTANT("SO_RCVBUF",           SO_RCVBUF,              CONST_CS | CONST_PERSISTENT);
     681       22570 :         REGISTER_LONG_CONSTANT("SO_SNDLOWAT", SO_SNDLOWAT,    CONST_CS | CONST_PERSISTENT);
     682       22570 :         REGISTER_LONG_CONSTANT("SO_RCVLOWAT", SO_RCVLOWAT,    CONST_CS | CONST_PERSISTENT);
     683       22570 :         REGISTER_LONG_CONSTANT("SO_SNDTIMEO", SO_SNDTIMEO,    CONST_CS | CONST_PERSISTENT);
     684       22570 :         REGISTER_LONG_CONSTANT("SO_RCVTIMEO", SO_RCVTIMEO,    CONST_CS | CONST_PERSISTENT);
     685       22570 :         REGISTER_LONG_CONSTANT("SO_TYPE",             SO_TYPE,                CONST_CS | CONST_PERSISTENT);
     686             : #ifdef SO_FAMILY
     687             :         REGISTER_LONG_CONSTANT("SO_FAMILY",           SO_FAMILY,              CONST_CS | CONST_PERSISTENT);
     688             : #endif
     689       22570 :         REGISTER_LONG_CONSTANT("SO_ERROR",            SO_ERROR,               CONST_CS | CONST_PERSISTENT);
     690             : #ifdef SO_BINDTODEVICE
     691       22570 :         REGISTER_LONG_CONSTANT("SO_BINDTODEVICE",       SO_BINDTODEVICE,        CONST_CS | CONST_PERSISTENT);
     692             : #endif
     693       22570 :         REGISTER_LONG_CONSTANT("SOL_SOCKET",  SOL_SOCKET,             CONST_CS | CONST_PERSISTENT);
     694       22570 :         REGISTER_LONG_CONSTANT("SOMAXCONN",           SOMAXCONN,              CONST_CS | CONST_PERSISTENT);
     695             : #ifdef TCP_NODELAY
     696       22570 :         REGISTER_LONG_CONSTANT("TCP_NODELAY",   TCP_NODELAY,    CONST_CS | CONST_PERSISTENT);
     697             : #endif
     698       22570 :         REGISTER_LONG_CONSTANT("PHP_NORMAL_READ", PHP_NORMAL_READ, CONST_CS | CONST_PERSISTENT);
     699       22570 :         REGISTER_LONG_CONSTANT("PHP_BINARY_READ", PHP_BINARY_READ, CONST_CS | CONST_PERSISTENT);
     700             : 
     701       22570 :         REGISTER_LONG_CONSTANT("MCAST_JOIN_GROUP",                    PHP_MCAST_JOIN_GROUP,                   CONST_CS | CONST_PERSISTENT);
     702       22570 :         REGISTER_LONG_CONSTANT("MCAST_LEAVE_GROUP",                   PHP_MCAST_LEAVE_GROUP,                  CONST_CS | CONST_PERSISTENT);
     703             : #ifdef HAS_MCAST_EXT
     704       22570 :         REGISTER_LONG_CONSTANT("MCAST_BLOCK_SOURCE",          PHP_MCAST_BLOCK_SOURCE,                 CONST_CS | CONST_PERSISTENT);
     705       22570 :         REGISTER_LONG_CONSTANT("MCAST_UNBLOCK_SOURCE",                PHP_MCAST_UNBLOCK_SOURCE,               CONST_CS | CONST_PERSISTENT);
     706       22570 :         REGISTER_LONG_CONSTANT("MCAST_JOIN_SOURCE_GROUP",     PHP_MCAST_JOIN_SOURCE_GROUP,    CONST_CS | CONST_PERSISTENT);
     707       22570 :         REGISTER_LONG_CONSTANT("MCAST_LEAVE_SOURCE_GROUP",    PHP_MCAST_LEAVE_SOURCE_GROUP,   CONST_CS | CONST_PERSISTENT);
     708             : #endif
     709             : 
     710       22570 :         REGISTER_LONG_CONSTANT("IP_MULTICAST_IF",                     IP_MULTICAST_IF,                CONST_CS | CONST_PERSISTENT);
     711       22570 :         REGISTER_LONG_CONSTANT("IP_MULTICAST_TTL",                    IP_MULTICAST_TTL,               CONST_CS | CONST_PERSISTENT);
     712       22570 :         REGISTER_LONG_CONSTANT("IP_MULTICAST_LOOP",                   IP_MULTICAST_LOOP,              CONST_CS | CONST_PERSISTENT);
     713             : #if HAVE_IPV6
     714       22570 :         REGISTER_LONG_CONSTANT("IPV6_MULTICAST_IF",                   IPV6_MULTICAST_IF,              CONST_CS | CONST_PERSISTENT);
     715       22570 :         REGISTER_LONG_CONSTANT("IPV6_MULTICAST_HOPS",         IPV6_MULTICAST_HOPS,    CONST_CS | CONST_PERSISTENT);
     716       22570 :         REGISTER_LONG_CONSTANT("IPV6_MULTICAST_LOOP",         IPV6_MULTICAST_LOOP,    CONST_CS | CONST_PERSISTENT);
     717             : #endif
     718             : 
     719             : #ifdef IPV6_V6ONLY
     720       22570 :         REGISTER_LONG_CONSTANT("IPV6_V6ONLY",                 IPV6_V6ONLY,            CONST_CS | CONST_PERSISTENT);
     721             : #endif
     722             : 
     723             : #ifndef WIN32
     724             : # include "unix_socket_constants.h"
     725             : #else
     726             : # include "win32_socket_constants.h"
     727             : #endif
     728             : 
     729       22570 :         REGISTER_LONG_CONSTANT("IPPROTO_IP",  IPPROTO_IP,             CONST_CS | CONST_PERSISTENT);
     730             : #if HAVE_IPV6
     731       22570 :         REGISTER_LONG_CONSTANT("IPPROTO_IPV6",        IPPROTO_IPV6,   CONST_CS | CONST_PERSISTENT);
     732             : #endif
     733             : 
     734       22570 :         REGISTER_LONG_CONSTANT("SOL_TCP",             IPPROTO_TCP,    CONST_CS | CONST_PERSISTENT);
     735       22570 :         REGISTER_LONG_CONSTANT("SOL_UDP",             IPPROTO_UDP,    CONST_CS | CONST_PERSISTENT);
     736             : 
     737             : #if HAVE_IPV6
     738       22570 :         REGISTER_LONG_CONSTANT("IPV6_UNICAST_HOPS",                   IPV6_UNICAST_HOPS,      CONST_CS | CONST_PERSISTENT);
     739             : #endif
     740             : 
     741       22570 :         php_socket_sendrecvmsg_init(INIT_FUNC_ARGS_PASSTHRU);
     742             : 
     743       22570 :         return SUCCESS;
     744             : }
     745             : /* }}} */
     746             : 
     747             : /* {{{ PHP_MSHUTDOWN_FUNCTION
     748             :  */
     749       22606 : static PHP_MSHUTDOWN_FUNCTION(sockets)
     750             : {
     751       22606 :         php_socket_sendrecvmsg_shutdown(SHUTDOWN_FUNC_ARGS_PASSTHRU);
     752             : 
     753       22606 :         return SUCCESS;
     754             : }
     755             : /* }}} */
     756             : 
     757             : /* {{{ PHP_MINFO_FUNCTION
     758             :  */
     759         149 : static PHP_MINFO_FUNCTION(sockets)
     760             : {
     761         149 :         php_info_print_table_start();
     762         149 :         php_info_print_table_row(2, "Sockets Support", "enabled");
     763         149 :         php_info_print_table_end();
     764         149 : }
     765             : /* }}} */
     766             : 
     767             : /* {{{ PHP_RSHUTDOWN_FUNCTION */
     768       22562 : static PHP_RSHUTDOWN_FUNCTION(sockets)
     769             : {
     770       22562 :         if (SOCKETS_G(strerror_buf)) {
     771           0 :                 efree(SOCKETS_G(strerror_buf));
     772           0 :                 SOCKETS_G(strerror_buf) = NULL;
     773             :         }
     774             : 
     775       22562 :         return SUCCESS;
     776             : }
     777             : /* }}} */
     778             : 
     779          28 : static int php_sock_array_to_fd_set(zval *sock_array, fd_set *fds, PHP_SOCKET *max_fd) /* {{{ */
     780             : {
     781             :         zval            *element;
     782             :         php_socket      *php_sock;
     783          28 :         int                     num = 0;
     784             : 
     785          28 :         if (Z_TYPE_P(sock_array) != IS_ARRAY) return 0;
     786             : 
     787          60 :         ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(sock_array), element) {
     788          16 :                 php_sock = (php_socket*) zend_fetch_resource_ex(element, le_socket_name, le_socket);
     789          16 :                 if (!php_sock) continue; /* If element is not a resource, skip it */
     790             : 
     791          16 :                 PHP_SAFE_FD_SET(php_sock->bsd_socket, fds);
     792          16 :                 if (php_sock->bsd_socket > *max_fd) {
     793          16 :                         *max_fd = php_sock->bsd_socket;
     794             :                 }
     795          16 :                 num++;
     796             :         } ZEND_HASH_FOREACH_END();
     797             : 
     798          28 :         return num ? 1 : 0;
     799             : }
     800             : /* }}} */
     801             : 
     802          27 : static int php_sock_array_from_fd_set(zval *sock_array, fd_set *fds) /* {{{ */
     803             : {
     804             :         zval            *element;
     805             :         zval            *dest_element;
     806             :         php_socket      *php_sock;
     807             :         zval            new_hash;
     808          27 :         int                     num = 0;
     809             :         zend_ulong       num_key;
     810             :         zend_string *key;
     811             : 
     812          27 :         if (Z_TYPE_P(sock_array) != IS_ARRAY) return 0;
     813             : 
     814          27 :         array_init(&new_hash);
     815          55 :         ZEND_HASH_FOREACH_KEY_VAL(Z_ARRVAL_P(sock_array), num_key, key, element) {
     816          14 :                 php_sock = (php_socket*) zend_fetch_resource_ex(element, le_socket_name, le_socket);
     817          14 :                 if (!php_sock) continue; /* If element is not a resource, skip it */
     818             : 
     819          14 :                 if (PHP_SAFE_FD_ISSET(php_sock->bsd_socket, fds)) {
     820             :                         /* Add fd to new array */
     821           7 :                         if (key) {
     822           0 :                                 dest_element = zend_hash_add(Z_ARRVAL(new_hash), key, element);
     823             :                         } else {
     824           7 :                                 dest_element = zend_hash_index_update(Z_ARRVAL(new_hash), num_key, element);
     825             :                         }
     826           7 :                         if (dest_element) {
     827             :                                 Z_ADDREF_P(dest_element);
     828             :                         }
     829             :                 }
     830          14 :                 num++;
     831             :         } ZEND_HASH_FOREACH_END();
     832             : 
     833             :         /* Destroy old array, add new one */
     834          27 :         zval_ptr_dtor(sock_array);
     835             : 
     836          27 :         ZVAL_COPY_VALUE(sock_array, &new_hash);
     837             : 
     838          27 :         return num ? 1 : 0;
     839             : }
     840             : /* }}} */
     841             : 
     842             : /* {{{ proto int socket_select(array &read_fds, array &write_fds, array &except_fds, int tv_sec[, int tv_usec])
     843             :    Runs the select() system call on the sets mentioned with a timeout specified by tv_sec and tv_usec */
     844          14 : PHP_FUNCTION(socket_select)
     845             : {
     846             :         zval                    *r_array, *w_array, *e_array, *sec;
     847             :         struct timeval  tv;
     848          14 :         struct timeval *tv_p = NULL;
     849             :         fd_set                  rfds, wfds, efds;
     850          14 :         PHP_SOCKET              max_fd = 0;
     851          14 :         int                             retval, sets = 0;
     852          14 :         zend_long                       usec = 0;
     853             : 
     854          14 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "a/!a/!a/!z!|l", &r_array, &w_array, &e_array, &sec, &usec) == FAILURE) {
     855           1 :                 return;
     856             :         }
     857             : 
     858          13 :         FD_ZERO(&rfds);
     859          13 :         FD_ZERO(&wfds);
     860          13 :         FD_ZERO(&efds);
     861             : 
     862          13 :         if (r_array != NULL) sets += php_sock_array_to_fd_set(r_array, &rfds, &max_fd);
     863          13 :         if (w_array != NULL) sets += php_sock_array_to_fd_set(w_array, &wfds, &max_fd);
     864          13 :         if (e_array != NULL) sets += php_sock_array_to_fd_set(e_array, &efds, &max_fd);
     865             : 
     866          13 :         if (!sets) {
     867           1 :                 php_error_docref(NULL, E_WARNING, "no resource arrays were passed to select");
     868           1 :                 RETURN_FALSE;
     869             :         }
     870             : 
     871          12 :         PHP_SAFE_MAX_FD(max_fd, 0); /* someone needs to make this look more like stream_socket_select */
     872             : 
     873             :         /* If seconds is not set to null, build the timeval, else we wait indefinitely */
     874          12 :         if (sec != NULL) {
     875             :                 zval tmp;
     876             : 
     877          24 :                 if (Z_TYPE_P(sec) != IS_LONG) {
     878           1 :                         tmp = *sec;
     879             :                         zval_copy_ctor(&tmp);
     880           1 :                         convert_to_long(&tmp);
     881           1 :                         sec = &tmp;
     882             :                 }
     883             : 
     884             :                 /* Solaris + BSD do not like microsecond values which are >= 1 sec */
     885          12 :                 if (usec > 999999) {
     886           1 :                         tv.tv_sec = Z_LVAL_P(sec) + (usec / 1000000);
     887           1 :                         tv.tv_usec = usec % 1000000;
     888             :                 } else {
     889          11 :                         tv.tv_sec = Z_LVAL_P(sec);
     890          11 :                         tv.tv_usec = usec;
     891             :                 }
     892             : 
     893          12 :                 tv_p = &tv;
     894             : 
     895          12 :                 if (sec == &tmp) {
     896             :                         zval_dtor(&tmp);
     897             :                 }
     898             :         }
     899             : 
     900          12 :         retval = select(max_fd+1, &rfds, &wfds, &efds, tv_p);
     901             : 
     902          12 :         if (retval == -1) {
     903           1 :                 SOCKETS_G(last_error) = errno;
     904           1 :                 php_error_docref(NULL, E_WARNING, "unable to select [%d]: %s", errno, sockets_strerror(errno));
     905           1 :                 RETURN_FALSE;
     906             :         }
     907             : 
     908          11 :         if (r_array != NULL) php_sock_array_from_fd_set(r_array, &rfds);
     909          11 :         if (w_array != NULL) php_sock_array_from_fd_set(w_array, &wfds);
     910          11 :         if (e_array != NULL) php_sock_array_from_fd_set(e_array, &efds);
     911             : 
     912          11 :         RETURN_LONG(retval);
     913             : }
     914             : /* }}} */
     915             : 
     916             : /* {{{ proto resource socket_create_listen(int port[, int backlog])
     917             :    Opens a socket on port to accept connections */
     918          16 : PHP_FUNCTION(socket_create_listen)
     919             : {
     920             :         php_socket      *php_sock;
     921          16 :         zend_long               port, backlog = 128;
     922             : 
     923          16 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|l", &port, &backlog) == FAILURE) {
     924           3 :                 return;
     925             :         }
     926             : 
     927          13 :         if (!php_open_listen_sock(&php_sock, port, backlog)) {
     928           2 :                 RETURN_FALSE;
     929             :         }
     930             : 
     931          11 :         php_sock->error = 0;
     932          11 :         php_sock->blocking = 1;
     933             : 
     934          11 :         RETURN_RES(zend_register_resource(php_sock, le_socket));
     935             : }
     936             : /* }}} */
     937             : 
     938             : /* {{{ proto resource socket_accept(resource socket)
     939             :    Accepts a connection on the listening socket fd */
     940           7 : PHP_FUNCTION(socket_accept)
     941             : {
     942             :         zval                             *arg1;
     943             :         php_socket                       *php_sock, *new_sock;
     944             :         php_sockaddr_storage sa;
     945           7 :         socklen_t                        php_sa_len = sizeof(sa);
     946             : 
     947           7 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
     948           1 :                 return;
     949             :         }
     950             : 
     951           6 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
     952           0 :                 RETURN_FALSE;
     953             :         }
     954             : 
     955           6 :         if (!php_accept_connect(php_sock, &new_sock, (struct sockaddr*)&sa, &php_sa_len)) {
     956           0 :                 RETURN_FALSE;
     957             :         }
     958             : 
     959           6 :         RETURN_RES(zend_register_resource(new_sock, le_socket));
     960             : }
     961             : /* }}} */
     962             : 
     963             : /* {{{ proto bool socket_set_nonblock(resource socket)
     964             :    Sets nonblocking mode on a socket resource */
     965          15 : PHP_FUNCTION(socket_set_nonblock)
     966             : {
     967             :         zval            *arg1;
     968             :         php_socket      *php_sock;
     969             : 
     970          15 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
     971           1 :                 return;
     972             :         }
     973             : 
     974          14 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
     975           1 :                 RETURN_FALSE;
     976             :         }
     977             : 
     978          26 :         if (!Z_ISUNDEF(php_sock->zstream)) {
     979             :                 php_stream *stream;
     980             :                 /* omit notice if resource doesn't exist anymore */
     981           0 :                 stream = zend_fetch_resource2_ex(&php_sock->zstream, NULL, php_file_le_stream(), php_file_le_pstream());
     982           0 :                 if (stream != NULL) {
     983           0 :                         if (php_stream_set_option(stream, PHP_STREAM_OPTION_BLOCKING, 0,
     984             :                                         NULL) != -1) {
     985           0 :                                 php_sock->blocking = 0;
     986           0 :                                 RETURN_TRUE;
     987             :                         }
     988             :                 }
     989             :         }
     990             : 
     991          13 :         if (php_set_sock_blocking(php_sock->bsd_socket, 0) == SUCCESS) {
     992          13 :                 php_sock->blocking = 0;
     993          13 :                 RETURN_TRUE;
     994             :         } else {
     995           0 :                 PHP_SOCKET_ERROR(php_sock, "unable to set nonblocking mode", errno);
     996           0 :                 RETURN_FALSE;
     997             :         }
     998             : }
     999             : /* }}} */
    1000             : 
    1001             : /* {{{ proto bool socket_set_block(resource socket)
    1002             :    Sets blocking mode on a socket resource */
    1003           9 : PHP_FUNCTION(socket_set_block)
    1004             : {
    1005             :         zval            *arg1;
    1006             :         php_socket      *php_sock;
    1007             : 
    1008           9 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
    1009           1 :                 return;
    1010             :         }
    1011             : 
    1012           8 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1013           2 :                 RETURN_FALSE;
    1014             :         }
    1015             : 
    1016             :         /* if socket was created from a stream, give the stream a chance to take
    1017             :          * care of the operation itself, thereby allowing it to update its internal
    1018             :          * state */
    1019          12 :         if (!Z_ISUNDEF(php_sock->zstream)) {
    1020             :                 php_stream *stream;
    1021           3 :                 stream = zend_fetch_resource2_ex(&php_sock->zstream, NULL, php_file_le_stream(), php_file_le_pstream());
    1022           3 :                 if (stream != NULL) {
    1023           2 :                         if (php_stream_set_option(stream, PHP_STREAM_OPTION_BLOCKING, 1,
    1024             :                                         NULL) != -1) {
    1025           2 :                                 php_sock->blocking = 1;
    1026           2 :                                 RETURN_TRUE;
    1027             :                         }
    1028             :                 }
    1029             :         }
    1030             : 
    1031           4 :         if (php_set_sock_blocking(php_sock->bsd_socket, 1) == SUCCESS) {
    1032           3 :                 php_sock->blocking = 1;
    1033           3 :                 RETURN_TRUE;
    1034             :         } else {
    1035           1 :                 PHP_SOCKET_ERROR(php_sock, "unable to set blocking mode", errno);
    1036           1 :                 RETURN_FALSE;
    1037             :         }
    1038             : }
    1039             : /* }}} */
    1040             : 
    1041             : /* {{{ proto bool socket_listen(resource socket[, int backlog])
    1042             :    Sets the maximum number of connections allowed to be waited for on the socket specified by fd */
    1043           9 : PHP_FUNCTION(socket_listen)
    1044             : {
    1045             :         zval            *arg1;
    1046             :         php_socket      *php_sock;
    1047           9 :         zend_long               backlog = 0;
    1048             : 
    1049           9 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &arg1, &backlog) == FAILURE) {
    1050           2 :                 return;
    1051             :         }
    1052             : 
    1053           7 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1054           0 :                 RETURN_FALSE;
    1055             :         }
    1056             : 
    1057           7 :         if (listen(php_sock->bsd_socket, backlog) != 0) {
    1058           1 :                 PHP_SOCKET_ERROR(php_sock, "unable to listen on socket", errno);
    1059           1 :                 RETURN_FALSE;
    1060             :         }
    1061           6 :         RETURN_TRUE;
    1062             : }
    1063             : /* }}} */
    1064             : 
    1065             : /* {{{ proto void socket_close(resource socket)
    1066             :    Closes a file descriptor */
    1067          46 : PHP_FUNCTION(socket_close)
    1068             : {
    1069             :         zval            *arg1;
    1070             :         php_socket      *php_sock;
    1071             : 
    1072          46 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &arg1) == FAILURE) {
    1073           4 :                 return;
    1074             :         }
    1075             : 
    1076          42 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1077           0 :                 RETURN_FALSE;
    1078             :         }
    1079             : 
    1080          84 :         if (!Z_ISUNDEF(php_sock->zstream)) {
    1081           2 :                 php_stream *stream = NULL;
    1082           2 :                 php_stream_from_zval_no_verify(stream, &php_sock->zstream);
    1083           2 :                 if (stream != NULL) {
    1084             :                         /* close & destroy stream, incl. removing it from the rsrc list;
    1085             :                          * resource stored in php_sock->zstream will become invalid */
    1086           2 :                         php_stream_free(stream,
    1087             :                                         PHP_STREAM_FREE_KEEP_RSRC | PHP_STREAM_FREE_CLOSE |
    1088             :                                         (stream->is_persistent?PHP_STREAM_FREE_CLOSE_PERSISTENT:0));
    1089             :                 }
    1090             :         }
    1091          42 :         zend_list_close(Z_RES_P(arg1));
    1092             : }
    1093             : /* }}} */
    1094             : 
    1095             : /* {{{ proto int socket_write(resource socket, string buf[, int length])
    1096             :    Writes the buffer to the socket resource, length is optional */
    1097           8 : PHP_FUNCTION(socket_write)
    1098             : {
    1099             :         zval            *arg1;
    1100             :         php_socket      *php_sock;
    1101             :         int                     retval;
    1102             :         size_t      str_len;
    1103           8 :         zend_long       length = 0;
    1104             :         char            *str;
    1105             : 
    1106           8 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs|l", &arg1, &str, &str_len, &length) == FAILURE) {
    1107           2 :                 return;
    1108             :         }
    1109             : 
    1110           6 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1111           0 :                 RETURN_FALSE;
    1112             :         }
    1113             : 
    1114           6 :         if (ZEND_NUM_ARGS() < 3) {
    1115           6 :                 length = str_len;
    1116             :         }
    1117             : 
    1118             : #ifndef PHP_WIN32
    1119           6 :         retval = write(php_sock->bsd_socket, str, MIN(length, str_len));
    1120             : #else
    1121             :         retval = send(php_sock->bsd_socket, str, min(length, str_len), 0);
    1122             : #endif
    1123             : 
    1124           6 :         if (retval < 0) {
    1125           1 :                 PHP_SOCKET_ERROR(php_sock, "unable to write to socket", errno);
    1126           1 :                 RETURN_FALSE;
    1127             :         }
    1128             : 
    1129           5 :         RETURN_LONG(retval);
    1130             : }
    1131             : /* }}} */
    1132             : 
    1133             : /* {{{ proto string socket_read(resource socket, int length [, int type])
    1134             :    Reads a maximum of length bytes from socket */
    1135          14 : PHP_FUNCTION(socket_read)
    1136             : {
    1137             :         zval            *arg1;
    1138             :         php_socket      *php_sock;
    1139             :         zend_string     *tmpbuf;
    1140             :         int                     retval;
    1141          14 :         zend_long               length, type = PHP_BINARY_READ;
    1142             : 
    1143          14 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|l", &arg1, &length, &type) == FAILURE) {
    1144           2 :                 return;
    1145             :         }
    1146             : 
    1147             :         /* overflow check */
    1148          12 :         if ((length + 1) < 2) {
    1149           0 :                 RETURN_FALSE;
    1150             :         }
    1151             : 
    1152          24 :         tmpbuf = zend_string_alloc(length, 0);
    1153             : 
    1154          12 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1155           0 :                 RETURN_FALSE;
    1156             :         }
    1157             : 
    1158          12 :         if (type == PHP_NORMAL_READ) {
    1159           0 :                 retval = php_read(php_sock, ZSTR_VAL(tmpbuf), length, 0);
    1160             :         } else {
    1161          12 :                 retval = recv(php_sock->bsd_socket, ZSTR_VAL(tmpbuf), length, 0);
    1162             :         }
    1163             : 
    1164          12 :         if (retval == -1) {
    1165             :                 /* if the socket is in non-blocking mode and there's no data to read,
    1166             :                 don't output any error, as this is a normal situation, and not an error */
    1167           2 :                 if (errno == EAGAIN
    1168             : #ifdef EWOULDBLOCK
    1169           1 :                 || errno == EWOULDBLOCK
    1170             : #endif
    1171             :                 ) {
    1172           0 :                         php_sock->error = errno;
    1173           0 :                         SOCKETS_G(last_error) = errno;
    1174             :                 } else {
    1175           1 :                         PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno);
    1176             :                 }
    1177             : 
    1178             :                 zend_string_free(tmpbuf);
    1179           1 :                 RETURN_FALSE;
    1180          11 :         } else if (!retval) {
    1181             :                 zend_string_free(tmpbuf);
    1182           0 :                 RETURN_EMPTY_STRING();
    1183             :         }
    1184             : 
    1185          22 :         tmpbuf = zend_string_truncate(tmpbuf, retval, 0);
    1186          11 :         ZSTR_LEN(tmpbuf) = retval;
    1187          11 :         ZSTR_VAL(tmpbuf)[ZSTR_LEN(tmpbuf)] = '\0' ;
    1188             : 
    1189          11 :         RETURN_NEW_STR(tmpbuf);
    1190             : }
    1191             : /* }}} */
    1192             : 
    1193             : /* {{{ proto bool socket_getsockname(resource socket, string &addr[, int &port])
    1194             :    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. */
    1195           2 : PHP_FUNCTION(socket_getsockname)
    1196             : {
    1197           2 :         zval                                    *arg1, *addr, *port = NULL;
    1198             :         php_sockaddr_storage    sa_storage;
    1199             :         php_socket                              *php_sock;
    1200             :         struct sockaddr                 *sa;
    1201             :         struct sockaddr_in              *sin;
    1202             : #if HAVE_IPV6
    1203             :         struct sockaddr_in6             *sin6;
    1204             :         char                                    addr6[INET6_ADDRSTRLEN+1];
    1205             : #endif
    1206             :         struct sockaddr_un              *s_un;
    1207             :         char                                    *addr_string;
    1208           2 :         socklen_t                               salen = sizeof(php_sockaddr_storage);
    1209             : 
    1210           2 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz/|z/", &arg1, &addr, &port) == FAILURE) {
    1211           0 :                 return;
    1212             :         }
    1213             : 
    1214           2 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1215           0 :                 RETURN_FALSE;
    1216             :         }
    1217             : 
    1218           2 :         sa = (struct sockaddr *) &sa_storage;
    1219             : 
    1220           2 :         if (getsockname(php_sock->bsd_socket, sa, &salen) != 0) {
    1221           0 :                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket name", errno);
    1222           0 :                 RETURN_FALSE;
    1223             :         }
    1224             : 
    1225           2 :         if (port != NULL) {
    1226           4 :                 ZVAL_DEREF(port);
    1227             :         }
    1228             : 
    1229           2 :         switch (sa->sa_family) {
    1230             : #if HAVE_IPV6
    1231             :                 case AF_INET6:
    1232           0 :                         sin6 = (struct sockaddr_in6 *) sa;
    1233           0 :                         inet_ntop(AF_INET6, &sin6->sin6_addr, addr6, INET6_ADDRSTRLEN);
    1234           0 :                         zval_dtor(addr);
    1235           0 :                         ZVAL_STRING(addr, addr6);
    1236             : 
    1237           0 :                         if (port != NULL) {
    1238           0 :                                 zval_dtor(port);
    1239           0 :                                 ZVAL_LONG(port, htons(sin6->sin6_port));
    1240             :                         }
    1241           0 :                         RETURN_TRUE;
    1242             :                         break;
    1243             : #endif
    1244             :                 case AF_INET:
    1245           2 :                         sin = (struct sockaddr_in *) sa;
    1246           2 :                         while (inet_ntoa_lock == 1);
    1247           2 :                         inet_ntoa_lock = 1;
    1248           2 :                         addr_string = inet_ntoa(sin->sin_addr);
    1249           2 :                         inet_ntoa_lock = 0;
    1250             : 
    1251           2 :                         zval_dtor(addr);
    1252           4 :                         ZVAL_STRING(addr, addr_string);
    1253             : 
    1254           2 :                         if (port != NULL) {
    1255           2 :                                 zval_dtor(port);
    1256           2 :                                 ZVAL_LONG(port, htons(sin->sin_port));
    1257             :                         }
    1258           2 :                         RETURN_TRUE;
    1259             :                         break;
    1260             : 
    1261             :                 case AF_UNIX:
    1262           0 :                         s_un = (struct sockaddr_un *) sa;
    1263             : 
    1264           0 :                         zval_dtor(addr);
    1265           0 :                         ZVAL_STRING(addr, s_un->sun_path);
    1266           0 :                         RETURN_TRUE;
    1267             :                         break;
    1268             : 
    1269             :                 default:
    1270           0 :                         php_error_docref(NULL, E_WARNING, "Unsupported address family %d", sa->sa_family);
    1271           0 :                         RETURN_FALSE;
    1272             :         }
    1273             : }
    1274             : /* }}} */
    1275             : 
    1276             : /* {{{ proto bool socket_getpeername(resource socket, string &addr[, int &port])
    1277             :    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. */
    1278           3 : PHP_FUNCTION(socket_getpeername)
    1279             : {
    1280           3 :         zval                                    *arg1, *arg2, *arg3 = NULL;
    1281             :         php_sockaddr_storage    sa_storage;
    1282             :         php_socket                              *php_sock;
    1283             :         struct sockaddr                 *sa;
    1284             :         struct sockaddr_in              *sin;
    1285             : #if HAVE_IPV6
    1286             :         struct sockaddr_in6             *sin6;
    1287             :         char                                    addr6[INET6_ADDRSTRLEN+1];
    1288             : #endif
    1289             :         struct sockaddr_un              *s_un;
    1290             :         char                                    *addr_string;
    1291           3 :         socklen_t                               salen = sizeof(php_sockaddr_storage);
    1292             : 
    1293           3 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz/|z/", &arg1, &arg2, &arg3) == FAILURE) {
    1294           0 :                 return;
    1295             :         }
    1296             : 
    1297           3 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1298           0 :                 RETURN_FALSE;
    1299             :         }
    1300             : 
    1301           3 :         sa = (struct sockaddr *) &sa_storage;
    1302             : 
    1303           3 :         if (getpeername(php_sock->bsd_socket, sa, &salen) < 0) {
    1304           1 :                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve peer name", errno);
    1305           1 :                 RETURN_FALSE;
    1306             :         }
    1307             : 
    1308           2 :         switch (sa->sa_family) {
    1309             : #if HAVE_IPV6
    1310             :                 case AF_INET6:
    1311           1 :                         sin6 = (struct sockaddr_in6 *) sa;
    1312           1 :                         inet_ntop(AF_INET6, &sin6->sin6_addr, addr6, INET6_ADDRSTRLEN);
    1313           1 :                         zval_dtor(arg2);
    1314           2 :                         ZVAL_STRING(arg2, addr6);
    1315             : 
    1316           1 :                         if (arg3 != NULL) {
    1317           1 :                                 zval_dtor(arg3);
    1318           1 :                                 ZVAL_LONG(arg3, htons(sin6->sin6_port));
    1319             :                         }
    1320             : 
    1321           1 :                         RETURN_TRUE;
    1322             :                         break;
    1323             : #endif
    1324             :                 case AF_INET:
    1325           1 :                         sin = (struct sockaddr_in *) sa;
    1326           1 :                         while (inet_ntoa_lock == 1);
    1327           1 :                         inet_ntoa_lock = 1;
    1328           1 :                         addr_string = inet_ntoa(sin->sin_addr);
    1329           1 :                         inet_ntoa_lock = 0;
    1330             : 
    1331           1 :                         zval_dtor(arg2);
    1332           2 :                         ZVAL_STRING(arg2, addr_string);
    1333             : 
    1334           1 :                         if (arg3 != NULL) {
    1335           1 :                                 zval_dtor(arg3);
    1336           1 :                                 ZVAL_LONG(arg3, htons(sin->sin_port));
    1337             :                         }
    1338             : 
    1339           1 :                         RETURN_TRUE;
    1340             :                         break;
    1341             : 
    1342             :                 case AF_UNIX:
    1343           0 :                         s_un = (struct sockaddr_un *) sa;
    1344             : 
    1345           0 :                         zval_dtor(arg2);
    1346           0 :                         ZVAL_STRING(arg2, s_un->sun_path);
    1347           0 :                         RETURN_TRUE;
    1348             :                         break;
    1349             : 
    1350             :                 default:
    1351           0 :                         php_error_docref(NULL, E_WARNING, "Unsupported address family %d", sa->sa_family);
    1352           0 :                         RETURN_FALSE;
    1353             :         }
    1354             : }
    1355             : /* }}} */
    1356             : 
    1357             : /* {{{ proto resource socket_create(int domain, int type, int protocol)
    1358             :    Creates an endpoint for communication in the domain specified by domain, of type specified by type */
    1359          65 : PHP_FUNCTION(socket_create)
    1360             : {
    1361             :         zend_long               arg1, arg2, arg3;
    1362          65 :         php_socket      *php_sock = php_create_socket();
    1363             : 
    1364          65 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "lll", &arg1, &arg2, &arg3) == FAILURE) {
    1365           6 :                 efree(php_sock);
    1366           6 :                 return;
    1367             :         }
    1368             : 
    1369         135 :         if (arg1 != AF_UNIX
    1370             : #if HAVE_IPV6
    1371          59 :                 && arg1 != AF_INET6
    1372             : #endif
    1373          76 :                 && arg1 != AF_INET) {
    1374           0 :                 php_error_docref(NULL, E_WARNING, "invalid socket domain [%pd] specified for argument 1, assuming AF_INET", arg1);
    1375           0 :                 arg1 = AF_INET;
    1376             :         }
    1377             : 
    1378          59 :         if (arg2 > 10) {
    1379           0 :                 php_error_docref(NULL, E_WARNING, "invalid socket type [%pd] specified for argument 2, assuming SOCK_STREAM", arg2);
    1380           0 :                 arg2 = SOCK_STREAM;
    1381             :         }
    1382             : 
    1383          59 :         php_sock->bsd_socket = socket(arg1, arg2, arg3);
    1384          59 :         php_sock->type = arg1;
    1385             : 
    1386          59 :         if (IS_INVALID_SOCKET(php_sock)) {
    1387           1 :                 SOCKETS_G(last_error) = errno;
    1388           1 :                 php_error_docref(NULL, E_WARNING, "Unable to create socket [%d]: %s", errno, sockets_strerror(errno));
    1389           1 :                 efree(php_sock);
    1390           1 :                 RETURN_FALSE;
    1391             :         }
    1392             : 
    1393          58 :         php_sock->error = 0;
    1394          58 :         php_sock->blocking = 1;
    1395             : 
    1396          58 :         RETURN_RES(zend_register_resource(php_sock, le_socket));
    1397             : }
    1398             : /* }}} */
    1399             : 
    1400             : /* {{{ proto bool socket_connect(resource socket, string addr [, int port])
    1401             :    Opens a connection to addr:port on the socket specified by socket */
    1402          17 : PHP_FUNCTION(socket_connect)
    1403             : {
    1404             :         zval                            *arg1;
    1405             :         php_socket                      *php_sock;
    1406             :         char                            *addr;
    1407             :         int                                     retval;
    1408             :         size_t              addr_len;
    1409          17 :         zend_long                               port = 0;
    1410          17 :         int                                     argc = ZEND_NUM_ARGS();
    1411             : 
    1412          17 :         if (zend_parse_parameters(argc, "rs|l", &arg1, &addr, &addr_len, &port) == FAILURE) {
    1413           2 :                 return;
    1414             :         }
    1415             : 
    1416          15 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1417           0 :                 RETURN_FALSE;
    1418             :         }
    1419             : 
    1420          15 :         switch(php_sock->type) {
    1421             : #if HAVE_IPV6
    1422             :                 case AF_INET6: {
    1423           2 :                         struct sockaddr_in6 sin6 = {0};
    1424             : 
    1425           2 :                         if (argc != 3) {
    1426           0 :                                 php_error_docref(NULL, E_WARNING, "Socket of type AF_INET6 requires 3 arguments");
    1427           0 :                                 RETURN_FALSE;
    1428             :                         }
    1429             : 
    1430           2 :                         memset(&sin6, 0, sizeof(struct sockaddr_in6));
    1431             : 
    1432           2 :                         sin6.sin6_family = AF_INET6;
    1433           2 :                         sin6.sin6_port   = htons((unsigned short int)port);
    1434             : 
    1435           2 :                         if (! php_set_inet6_addr(&sin6, addr, php_sock)) {
    1436           0 :                                 RETURN_FALSE;
    1437             :                         }
    1438             : 
    1439           2 :                         retval = connect(php_sock->bsd_socket, (struct sockaddr *)&sin6, sizeof(struct sockaddr_in6));
    1440           2 :                         break;
    1441             :                 }
    1442             : #endif
    1443             :                 case AF_INET: {
    1444          11 :                         struct sockaddr_in sin = {0};
    1445             : 
    1446          11 :                         if (argc != 3) {
    1447           1 :                                 php_error_docref(NULL, E_WARNING, "Socket of type AF_INET requires 3 arguments");
    1448           1 :                                 RETURN_FALSE;
    1449             :                         }
    1450             : 
    1451          10 :                         sin.sin_family = AF_INET;
    1452          10 :                         sin.sin_port   = htons((unsigned short int)port);
    1453             : 
    1454          10 :                         if (! php_set_inet_addr(&sin, addr, php_sock)) {
    1455           0 :                                 RETURN_FALSE;
    1456             :                         }
    1457             : 
    1458          10 :                         retval = connect(php_sock->bsd_socket, (struct sockaddr *)&sin, sizeof(struct sockaddr_in));
    1459          10 :                         break;
    1460             :                 }
    1461             : 
    1462             :                 case AF_UNIX: {
    1463           2 :                         struct sockaddr_un s_un = {0};
    1464             : 
    1465           2 :                         if (addr_len >= sizeof(s_un.sun_path)) {
    1466           0 :                                 php_error_docref(NULL, E_WARNING, "Path too long");
    1467           0 :                                 RETURN_FALSE;
    1468             :                         }
    1469             : 
    1470           2 :                         s_un.sun_family = AF_UNIX;
    1471           2 :                         memcpy(&s_un.sun_path, addr, addr_len);
    1472           2 :                         retval = connect(php_sock->bsd_socket, (struct sockaddr *) &s_un,
    1473             :                                 (socklen_t)(XtOffsetOf(struct sockaddr_un, sun_path) + addr_len));
    1474           2 :                         break;
    1475             :                 }
    1476             : 
    1477             :                 default:
    1478           0 :                         php_error_docref(NULL, E_WARNING, "Unsupported socket type %d", php_sock->type);
    1479           0 :                         RETURN_FALSE;
    1480             :                 }
    1481             : 
    1482          14 :         if (retval != 0) {
    1483           2 :                 PHP_SOCKET_ERROR(php_sock, "unable to connect", errno);
    1484           2 :                 RETURN_FALSE;
    1485             :         }
    1486             : 
    1487          12 :         RETURN_TRUE;
    1488             : }
    1489             : /* }}} */
    1490             : 
    1491             : /* {{{ proto string socket_strerror(int errno)
    1492             :    Returns a string describing an error */
    1493         134 : PHP_FUNCTION(socket_strerror)
    1494             : {
    1495             :         zend_long       arg1;
    1496             : 
    1497         134 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &arg1) == FAILURE) {
    1498           1 :                 return;
    1499             :         }
    1500             : 
    1501         266 :         RETURN_STRING(sockets_strerror(arg1));
    1502             : }
    1503             : /* }}} */
    1504             : 
    1505             : /* {{{ proto bool socket_bind(resource socket, string addr [, int port])
    1506             :    Binds an open socket to a listening port, port is only specified in AF_INET family. */
    1507          30 : PHP_FUNCTION(socket_bind)
    1508             : {
    1509             :         zval                                    *arg1;
    1510          30 :         php_sockaddr_storage    sa_storage = {0};
    1511          30 :         struct sockaddr                 *sock_type = (struct sockaddr*) &sa_storage;
    1512             :         php_socket                              *php_sock;
    1513             :         char                                    *addr;
    1514             :         size_t                                          addr_len;
    1515          30 :         zend_long                                       port = 0;
    1516          30 :         zend_long                                       retval = 0;
    1517             : 
    1518          30 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs|l", &arg1, &addr, &addr_len, &port) == FAILURE) {
    1519           2 :                 return;
    1520             :         }
    1521             : 
    1522          28 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1523           0 :                 RETURN_FALSE;
    1524             :         }
    1525             : 
    1526          28 :         switch(php_sock->type) {
    1527             :                 case AF_UNIX:
    1528             :                         {
    1529           6 :                                 struct sockaddr_un *sa = (struct sockaddr_un *) sock_type;
    1530             : 
    1531           6 :                                 sa->sun_family = AF_UNIX;
    1532             : 
    1533           6 :                                 if (addr_len >= sizeof(sa->sun_path)) {
    1534           0 :                                         php_error_docref(NULL, E_WARNING,
    1535             :                                                         "Invalid path: too long (maximum size is %d)",
    1536             :                                                         (int)sizeof(sa->sun_path) - 1);
    1537           0 :                                         RETURN_FALSE;
    1538             :                                 }
    1539           6 :                                 memcpy(&sa->sun_path, addr, addr_len);
    1540             : 
    1541           6 :                                 retval = bind(php_sock->bsd_socket, (struct sockaddr *) sa,
    1542             :                                                 offsetof(struct sockaddr_un, sun_path) + addr_len);
    1543           6 :                                 break;
    1544             :                         }
    1545             : 
    1546             :                 case AF_INET:
    1547             :                         {
    1548          12 :                                 struct sockaddr_in *sa = (struct sockaddr_in *) sock_type;
    1549             : 
    1550          12 :                                 sa->sin_family = AF_INET;
    1551          12 :                                 sa->sin_port = htons((unsigned short) port);
    1552             : 
    1553          12 :                                 if (! php_set_inet_addr(sa, addr, php_sock)) {
    1554           0 :                                         RETURN_FALSE;
    1555             :                                 }
    1556             : 
    1557          12 :                                 retval = bind(php_sock->bsd_socket, (struct sockaddr *)sa, sizeof(struct sockaddr_in));
    1558          12 :                                 break;
    1559             :                         }
    1560             : #if HAVE_IPV6
    1561             :                 case AF_INET6:
    1562             :                         {
    1563          10 :                                 struct sockaddr_in6 *sa = (struct sockaddr_in6 *) sock_type;
    1564             : 
    1565          10 :                                 sa->sin6_family = AF_INET6;
    1566          10 :                                 sa->sin6_port = htons((unsigned short) port);
    1567             : 
    1568          10 :                                 if (! php_set_inet6_addr(sa, addr, php_sock)) {
    1569           0 :                                         RETURN_FALSE;
    1570             :                                 }
    1571             : 
    1572          10 :                                 retval = bind(php_sock->bsd_socket, (struct sockaddr *)sa, sizeof(struct sockaddr_in6));
    1573          10 :                                 break;
    1574             :                         }
    1575             : #endif
    1576             :                 default:
    1577           0 :                         php_error_docref(NULL, E_WARNING, "unsupported socket type '%d', must be AF_UNIX, AF_INET, or AF_INET6", php_sock->type);
    1578           0 :                         RETURN_FALSE;
    1579             :         }
    1580             : 
    1581          28 :         if (retval != 0) {
    1582           0 :                 PHP_SOCKET_ERROR(php_sock, "unable to bind address", errno);
    1583           0 :                 RETURN_FALSE;
    1584             :         }
    1585             : 
    1586          28 :         RETURN_TRUE;
    1587             : }
    1588             : /* }}} */
    1589             : 
    1590             : /* {{{ proto int socket_recv(resource socket, string &buf, int len, int flags)
    1591             :    Receives data from a connected socket */
    1592           2 : PHP_FUNCTION(socket_recv)
    1593             : {
    1594             :         zval            *php_sock_res, *buf;
    1595             :         zend_string     *recv_buf;
    1596             :         php_socket      *php_sock;
    1597             :         int                     retval;
    1598             :         zend_long               len, flags;
    1599             : 
    1600           2 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz/ll", &php_sock_res, &buf, &len, &flags) == FAILURE) {
    1601           0 :                 return;
    1602             :         }
    1603             : 
    1604           2 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(php_sock_res), le_socket_name, le_socket)) == NULL) {
    1605           0 :                 RETURN_FALSE;
    1606             :         }
    1607             : 
    1608             :         /* overflow check */
    1609           2 :         if ((len + 1) < 2) {
    1610           0 :                 RETURN_FALSE;
    1611             :         }
    1612             : 
    1613           4 :         recv_buf = zend_string_alloc(len, 0);
    1614             : 
    1615           2 :         if ((retval = recv(php_sock->bsd_socket, ZSTR_VAL(recv_buf), len, flags)) < 1) {
    1616           0 :                 efree(recv_buf);
    1617             : 
    1618           0 :                 zval_dtor(buf);
    1619           0 :                 ZVAL_NULL(buf);
    1620             :         } else {
    1621           2 :                 ZSTR_LEN(recv_buf) = retval;
    1622           2 :                 ZSTR_VAL(recv_buf)[ZSTR_LEN(recv_buf)] = '\0';
    1623             : 
    1624             :                 /* Rebuild buffer zval */
    1625           2 :                 zval_dtor(buf);
    1626           2 :                 ZVAL_NEW_STR(buf, recv_buf);
    1627             :         }
    1628             : 
    1629           2 :         if (retval == -1) {
    1630           0 :                 PHP_SOCKET_ERROR(php_sock, "unable to read from socket", errno);
    1631           0 :                 RETURN_FALSE;
    1632             :         }
    1633             : 
    1634           2 :         RETURN_LONG(retval);
    1635             : }
    1636             : /* }}} */
    1637             : 
    1638             : /* {{{ proto int socket_send(resource socket, string buf, int len, int flags)
    1639             :    Sends data to a connected socket */
    1640           4 : PHP_FUNCTION(socket_send)
    1641             : {
    1642             :         zval            *arg1;
    1643             :         php_socket      *php_sock;
    1644             :         size_t                  buf_len, retval;
    1645             :         zend_long               len, flags;
    1646             :         char            *buf;
    1647             : 
    1648           4 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rsll", &arg1, &buf, &buf_len, &len, &flags) == FAILURE) {
    1649           0 :                 return;
    1650             :         }
    1651             : 
    1652           4 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1653           0 :                 RETURN_FALSE;
    1654             :         }
    1655             : 
    1656           4 :         retval = send(php_sock->bsd_socket, buf, (buf_len < len ? buf_len : len), flags);
    1657             : 
    1658           4 :         if (retval == -1) {
    1659           0 :                 PHP_SOCKET_ERROR(php_sock, "unable to write to socket", errno);
    1660           0 :                 RETURN_FALSE;
    1661             :         }
    1662             : 
    1663           4 :         RETURN_LONG(retval);
    1664             : }
    1665             : /* }}} */
    1666             : 
    1667             : /* {{{ proto int socket_recvfrom(resource socket, string &buf, int len, int flags, string &name [, int &port])
    1668             :    Receives data from a socket, connected or not */
    1669          11 : PHP_FUNCTION(socket_recvfrom)
    1670             : {
    1671          11 :         zval                            *arg1, *arg2, *arg5, *arg6 = NULL;
    1672             :         php_socket                      *php_sock;
    1673             :         struct sockaddr_un      s_un;
    1674             :         struct sockaddr_in      sin;
    1675             : #if HAVE_IPV6
    1676             :         struct sockaddr_in6     sin6;
    1677             :         char                            addr6[INET6_ADDRSTRLEN];
    1678             : #endif
    1679             :         socklen_t                       slen;
    1680             :         int                                     retval;
    1681             :         zend_long                               arg3, arg4;
    1682             :         char                            *address;
    1683             :         zend_string                     *recv_buf;
    1684             : 
    1685          11 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rz/llz/|z/", &arg1, &arg2, &arg3, &arg4, &arg5, &arg6) == FAILURE) {
    1686           2 :                 return;
    1687             :         }
    1688             : 
    1689           9 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1690           0 :                 RETURN_FALSE;
    1691             :         }
    1692             : 
    1693             :         /* overflow check */
    1694           9 :         if ((arg3 + 2) < 3) {
    1695           1 :                 RETURN_FALSE;
    1696             :         }
    1697             : 
    1698          16 :         recv_buf = zend_string_alloc(arg3 + 1, 0);
    1699             : 
    1700           8 :         switch (php_sock->type) {
    1701             :                 case AF_UNIX:
    1702           2 :                         slen = sizeof(s_un);
    1703           2 :                         s_un.sun_family = AF_UNIX;
    1704           2 :                         retval = recvfrom(php_sock->bsd_socket, ZSTR_VAL(recv_buf), arg3, arg4, (struct sockaddr *)&s_un, (socklen_t *)&slen);
    1705             : 
    1706           2 :                         if (retval < 0) {
    1707           1 :                                 PHP_SOCKET_ERROR(php_sock, "unable to recvfrom", errno);
    1708             :                                 zend_string_free(recv_buf);
    1709           1 :                                 RETURN_FALSE;
    1710             :                         }
    1711           1 :                         ZSTR_LEN(recv_buf) = retval;
    1712           1 :                         ZSTR_VAL(recv_buf)[ZSTR_LEN(recv_buf)] = '\0';
    1713             : 
    1714           1 :                         zval_dtor(arg2);
    1715           1 :                         zval_dtor(arg5);
    1716             : 
    1717           1 :                         ZVAL_NEW_STR(arg2, recv_buf);
    1718           2 :                         ZVAL_STRING(arg5, s_un.sun_path);
    1719           1 :                         break;
    1720             : 
    1721             :                 case AF_INET:
    1722           3 :                         slen = sizeof(sin);
    1723           3 :                         memset(&sin, 0, slen);
    1724           3 :                         sin.sin_family = AF_INET;
    1725             : 
    1726           3 :                         if (arg6 == NULL) {
    1727             :                                 zend_string_free(recv_buf);
    1728           1 :                                 WRONG_PARAM_COUNT;
    1729             :                         }
    1730             : 
    1731           2 :                         retval = recvfrom(php_sock->bsd_socket, ZSTR_VAL(recv_buf), arg3, arg4, (struct sockaddr *)&sin, (socklen_t *)&slen);
    1732             : 
    1733           2 :                         if (retval < 0) {
    1734           1 :                                 PHP_SOCKET_ERROR(php_sock, "unable to recvfrom", errno);
    1735             :                                 zend_string_free(recv_buf);
    1736           1 :                                 RETURN_FALSE;
    1737             :                         }
    1738           1 :                         ZSTR_LEN(recv_buf) = retval;
    1739           1 :                         ZSTR_VAL(recv_buf)[ZSTR_LEN(recv_buf)] = '\0';
    1740             : 
    1741           1 :                         zval_dtor(arg2);
    1742           1 :                         zval_dtor(arg5);
    1743           1 :                         zval_dtor(arg6);
    1744             : 
    1745           1 :                         address = inet_ntoa(sin.sin_addr);
    1746             : 
    1747           1 :                         ZVAL_NEW_STR(arg2, recv_buf);
    1748           2 :                         ZVAL_STRING(arg5, address ? address : "0.0.0.0");
    1749           1 :                         ZVAL_LONG(arg6, ntohs(sin.sin_port));
    1750           1 :                         break;
    1751             : #if HAVE_IPV6
    1752             :                 case AF_INET6:
    1753           3 :                         slen = sizeof(sin6);
    1754           3 :                         memset(&sin6, 0, slen);
    1755           3 :                         sin6.sin6_family = AF_INET6;
    1756             : 
    1757           3 :                         if (arg6 == NULL) {
    1758           1 :                                 efree(recv_buf);
    1759           1 :                                 WRONG_PARAM_COUNT;
    1760             :                         }
    1761             : 
    1762           2 :                         retval = recvfrom(php_sock->bsd_socket, ZSTR_VAL(recv_buf), arg3, arg4, (struct sockaddr *)&sin6, (socklen_t *)&slen);
    1763             : 
    1764           2 :                         if (retval < 0) {
    1765           1 :                                 PHP_SOCKET_ERROR(php_sock, "unable to recvfrom", errno);
    1766             :                                 zend_string_free(recv_buf);
    1767           1 :                                 RETURN_FALSE;
    1768             :                         }
    1769           1 :                         ZSTR_LEN(recv_buf) = retval;
    1770           1 :                         ZSTR_VAL(recv_buf)[ZSTR_LEN(recv_buf)] = '\0';
    1771             : 
    1772           1 :                         zval_dtor(arg2);
    1773           1 :                         zval_dtor(arg5);
    1774           1 :                         zval_dtor(arg6);
    1775             : 
    1776           1 :                         memset(addr6, 0, INET6_ADDRSTRLEN);
    1777           1 :                         inet_ntop(AF_INET6, &sin6.sin6_addr, addr6, INET6_ADDRSTRLEN);
    1778             : 
    1779           1 :                         ZVAL_NEW_STR(arg2, recv_buf);
    1780           2 :                         ZVAL_STRING(arg5, addr6[0] ? addr6 : "::");
    1781           1 :                         ZVAL_LONG(arg6, ntohs(sin6.sin6_port));
    1782           1 :                         break;
    1783             : #endif
    1784             :                 default:
    1785           0 :                         php_error_docref(NULL, E_WARNING, "Unsupported socket type %d", php_sock->type);
    1786           0 :                         RETURN_FALSE;
    1787             :         }
    1788             : 
    1789           3 :         RETURN_LONG(retval);
    1790             : }
    1791             : /* }}} */
    1792             : 
    1793             : /* {{{ proto int socket_sendto(resource socket, string buf, int len, int flags, string addr [, int port])
    1794             :    Sends a message to a socket, whether it is connected or not */
    1795          25 : PHP_FUNCTION(socket_sendto)
    1796             : {
    1797             :         zval                            *arg1;
    1798             :         php_socket                      *php_sock;
    1799             :         struct sockaddr_un      s_un;
    1800             :         struct sockaddr_in      sin;
    1801             : #if HAVE_IPV6
    1802             :         struct sockaddr_in6     sin6;
    1803             : #endif
    1804             :         int                                     retval;
    1805             :         size_t              buf_len, addr_len;
    1806          25 :         zend_long                       len, flags, port = 0;
    1807             :         char                            *buf, *addr;
    1808          25 :         int                                     argc = ZEND_NUM_ARGS();
    1809             : 
    1810          25 :         if (zend_parse_parameters(argc, "rslls|l", &arg1, &buf, &buf_len, &len, &flags, &addr, &addr_len, &port) == FAILURE) {
    1811           1 :                 return;
    1812             :         }
    1813             : 
    1814          24 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1815           0 :                 RETURN_FALSE;
    1816             :         }
    1817             : 
    1818          24 :         switch (php_sock->type) {
    1819             :                 case AF_UNIX:
    1820           2 :                         memset(&s_un, 0, sizeof(s_un));
    1821           2 :                         s_un.sun_family = AF_UNIX;
    1822           2 :                         snprintf(s_un.sun_path, 108, "%s", addr);
    1823             : 
    1824           2 :                         retval = sendto(php_sock->bsd_socket, buf, (len > buf_len) ? buf_len : len,       flags, (struct sockaddr *) &s_un, SUN_LEN(&s_un));
    1825           2 :                         break;
    1826             : 
    1827             :                 case AF_INET:
    1828          16 :                         if (argc != 6) {
    1829           1 :                                 WRONG_PARAM_COUNT;
    1830             :                         }
    1831             : 
    1832          15 :                         memset(&sin, 0, sizeof(sin));
    1833          15 :                         sin.sin_family = AF_INET;
    1834          15 :                         sin.sin_port = htons((unsigned short) port);
    1835             : 
    1836          15 :                         if (! php_set_inet_addr(&sin, addr, php_sock)) {
    1837           0 :                                 RETURN_FALSE;
    1838             :                         }
    1839             : 
    1840          15 :                         retval = sendto(php_sock->bsd_socket, buf, (len > buf_len) ? buf_len : len, flags, (struct sockaddr *) &sin, sizeof(sin));
    1841          15 :                         break;
    1842             : #if HAVE_IPV6
    1843             :                 case AF_INET6:
    1844           6 :                         if (argc != 6) {
    1845           1 :                                 WRONG_PARAM_COUNT;
    1846             :                         }
    1847             : 
    1848           5 :                         memset(&sin6, 0, sizeof(sin6));
    1849           5 :                         sin6.sin6_family = AF_INET6;
    1850           5 :                         sin6.sin6_port = htons((unsigned short) port);
    1851             : 
    1852           5 :                         if (! php_set_inet6_addr(&sin6, addr, php_sock)) {
    1853           0 :                                 RETURN_FALSE;
    1854             :                         }
    1855             : 
    1856           5 :                         retval = sendto(php_sock->bsd_socket, buf, (len > buf_len) ? buf_len : len, flags, (struct sockaddr *) &sin6, sizeof(sin6));
    1857           5 :                         break;
    1858             : #endif
    1859             :                 default:
    1860           0 :                         php_error_docref(NULL, E_WARNING, "Unsupported socket type %d", php_sock->type);
    1861           0 :                         RETURN_FALSE;
    1862             :         }
    1863             : 
    1864          22 :         if (retval == -1) {
    1865           0 :                 PHP_SOCKET_ERROR(php_sock, "unable to write to socket", errno);
    1866           0 :                 RETURN_FALSE;
    1867             :         }
    1868             : 
    1869          22 :         RETURN_LONG(retval);
    1870             : }
    1871             : /* }}} */
    1872             : 
    1873             : /* {{{ proto mixed socket_get_option(resource socket, int level, int optname)
    1874             :    Gets socket options for the socket */
    1875          27 : PHP_FUNCTION(socket_get_option)
    1876             : {
    1877             :         zval                    *arg1;
    1878             :         struct linger   linger_val;
    1879             :         struct timeval  tv;
    1880             : #ifdef PHP_WIN32
    1881             :         int                             timeout = 0;
    1882             : #endif
    1883             :         socklen_t               optlen;
    1884             :         php_socket              *php_sock;
    1885             :         int                             other_val;
    1886             :         zend_long                       level, optname;
    1887             : 
    1888          27 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rll", &arg1, &level, &optname) == FAILURE) {
    1889           0 :                 return;
    1890             :         }
    1891             : 
    1892          27 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    1893           1 :                 RETURN_FALSE;
    1894             :         }
    1895             : 
    1896          26 :         if (level == IPPROTO_IP) {
    1897          15 :                 switch (optname) {
    1898             :                 case IP_MULTICAST_IF: {
    1899             :                         struct in_addr if_addr;
    1900             :                         unsigned int if_index;
    1901           4 :                         optlen = sizeof(if_addr);
    1902           4 :                         if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&if_addr, &optlen) != 0) {
    1903           0 :                                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
    1904           0 :                                 RETURN_FALSE;
    1905             :                         }
    1906           4 :                         if (php_add4_to_if_index(&if_addr, php_sock, &if_index) == SUCCESS) {
    1907           4 :                                 RETURN_LONG((zend_long) if_index);
    1908             :                         } else {
    1909           0 :                                 RETURN_FALSE;
    1910             :                         }
    1911             :                 }
    1912             :                 }
    1913             :         }
    1914             : #if HAVE_IPV6
    1915          11 :         else if (level == IPPROTO_IPV6) {
    1916           5 :                 int ret = php_do_getsockopt_ipv6_rfc3542(php_sock, level, optname, return_value);
    1917           5 :                 if (ret == SUCCESS) {
    1918           0 :                         return;
    1919           5 :                 } else if (ret == FAILURE) {
    1920           0 :                         RETURN_FALSE;
    1921             :                 } /* else continue */
    1922             :         }
    1923             : #endif
    1924             : 
    1925             :         /* sol_socket options and general case */
    1926          22 :         switch(optname) {
    1927             :                 case SO_LINGER:
    1928           1 :                         optlen = sizeof(linger_val);
    1929             : 
    1930           1 :                         if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&linger_val, &optlen) != 0) {
    1931           0 :                                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
    1932           0 :                                 RETURN_FALSE;
    1933             :                         }
    1934             : 
    1935           1 :                         array_init(return_value);
    1936           1 :                         add_assoc_long(return_value, "l_onoff", linger_val.l_onoff);
    1937           1 :                         add_assoc_long(return_value, "l_linger", linger_val.l_linger);
    1938           1 :                         break;
    1939             : 
    1940             :                 case SO_RCVTIMEO:
    1941             :                 case SO_SNDTIMEO:
    1942             : #ifndef PHP_WIN32
    1943           2 :                         optlen = sizeof(tv);
    1944             : 
    1945           2 :                         if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&tv, &optlen) != 0) {
    1946           0 :                                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
    1947           0 :                                 RETURN_FALSE;
    1948             :                         }
    1949             : #else
    1950             :                         optlen = sizeof(int);
    1951             : 
    1952             :                         if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&timeout, &optlen) != 0) {
    1953             :                                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
    1954             :                                 RETURN_FALSE;
    1955             :                         }
    1956             : 
    1957             :                         tv.tv_sec = timeout ? timeout / 1000 : 0;
    1958             :                         tv.tv_usec = timeout ? (timeout * 1000) % 1000000 : 0;
    1959             : #endif
    1960             : 
    1961           2 :                         array_init(return_value);
    1962             : 
    1963           2 :                         add_assoc_long(return_value, "sec", tv.tv_sec);
    1964           2 :                         add_assoc_long(return_value, "usec", tv.tv_usec);
    1965           2 :                         break;
    1966             : 
    1967             :                 default:
    1968          19 :                         optlen = sizeof(other_val);
    1969             : 
    1970          19 :                         if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&other_val, &optlen) != 0) {
    1971           1 :                                 PHP_SOCKET_ERROR(php_sock, "unable to retrieve socket option", errno);
    1972           1 :                                 RETURN_FALSE;
    1973             :                         }
    1974          18 :                         if (optlen == 1)
    1975           0 :                                 other_val = *((unsigned char *)&other_val);
    1976             : 
    1977          18 :                         RETURN_LONG(other_val);
    1978             :                         break;
    1979             :         }
    1980             : }
    1981             : /* }}} */
    1982             : 
    1983             : /* {{{ proto bool socket_set_option(resource socket, int level, int optname, int|array optval)
    1984             :    Sets socket options for the socket */
    1985          56 : PHP_FUNCTION(socket_set_option)
    1986             : {
    1987             :         zval                                    *arg1, *arg4;
    1988             :         struct linger                   lv;
    1989             :         php_socket                              *php_sock;
    1990             :         int                                             ov, optlen, retval;
    1991             : #ifdef PHP_WIN32
    1992             :         int                                             timeout;
    1993             : #else
    1994             :         struct                                  timeval tv;
    1995             : #endif
    1996             :         zend_long                                       level, optname;
    1997             :         void                                    *opt_ptr;
    1998             :         HashTable                               *opt_ht;
    1999             :         zval                                    *l_onoff, *l_linger;
    2000             :         zval                                    *sec, *usec;
    2001             : 
    2002             : 
    2003          56 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rllz", &arg1, &level, &optname, &arg4) == FAILURE) {
    2004           1 :                 return;
    2005             :         }
    2006             : 
    2007          55 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    2008           0 :                 RETURN_FALSE;
    2009             :         }
    2010             : 
    2011          55 :         set_errno(0);
    2012             : 
    2013             : #define HANDLE_SUBCALL(res) \
    2014             :         do { \
    2015             :                 if (res == 1) { goto default_case; } \
    2016             :                 else if (res == SUCCESS) { RETURN_TRUE; } \
    2017             :                 else { RETURN_FALSE; } \
    2018             :         } while (0)
    2019             : 
    2020             : 
    2021          55 :         if (level == IPPROTO_IP) {
    2022          28 :                 int res = php_do_setsockopt_ip_mcast(php_sock, level, optname, arg4);
    2023          28 :                 HANDLE_SUBCALL(res);
    2024             :         }
    2025             : 
    2026             : #if HAVE_IPV6
    2027          27 :         else if (level == IPPROTO_IPV6) {
    2028          18 :                 int res = php_do_setsockopt_ipv6_mcast(php_sock, level, optname, arg4);
    2029          18 :                 if (res == 1) {
    2030           5 :                         res = php_do_setsockopt_ipv6_rfc3542(php_sock, level, optname, arg4);
    2031             :                 }
    2032          18 :                 HANDLE_SUBCALL(res);
    2033             :         }
    2034             : #endif
    2035             : 
    2036           9 :         switch (optname) {
    2037             :                 case SO_LINGER: {
    2038           3 :                         const char l_onoff_key[] = "l_onoff";
    2039           3 :                         const char l_linger_key[] = "l_linger";
    2040             : 
    2041           6 :                         convert_to_array_ex(arg4);
    2042           3 :                         opt_ht = Z_ARRVAL_P(arg4);
    2043             : 
    2044           3 :                         if ((l_onoff = zend_hash_str_find(opt_ht, l_onoff_key, sizeof(l_onoff_key) - 1)) == NULL) {
    2045           1 :                                 php_error_docref(NULL, E_WARNING, "no key \"%s\" passed in optval", l_onoff_key);
    2046           1 :                                 RETURN_FALSE;
    2047             :                         }
    2048           2 :                         if ((l_linger = zend_hash_str_find(opt_ht, l_linger_key, sizeof(l_linger_key) - 1)) == NULL) {
    2049           1 :                                 php_error_docref(NULL, E_WARNING, "no key \"%s\" passed in optval", l_linger_key);
    2050           1 :                                 RETURN_FALSE;
    2051             :                         }
    2052             : 
    2053           1 :                         convert_to_long_ex(l_onoff);
    2054           1 :                         convert_to_long_ex(l_linger);
    2055             : 
    2056           1 :                         lv.l_onoff = (unsigned short)Z_LVAL_P(l_onoff);
    2057           1 :                         lv.l_linger = (unsigned short)Z_LVAL_P(l_linger);
    2058             : 
    2059           1 :                         optlen = sizeof(lv);
    2060           1 :                         opt_ptr = &lv;
    2061           1 :                         break;
    2062             :                 }
    2063             : 
    2064             :                 case SO_RCVTIMEO:
    2065             :                 case SO_SNDTIMEO: {
    2066           4 :                         const char sec_key[] = "sec";
    2067           4 :                         const char usec_key[] = "usec";
    2068             : 
    2069           8 :                         convert_to_array_ex(arg4);
    2070           4 :                         opt_ht = Z_ARRVAL_P(arg4);
    2071             : 
    2072           4 :                         if ((sec = zend_hash_str_find(opt_ht, sec_key, sizeof(sec_key) - 1)) == NULL) {
    2073           2 :                                 php_error_docref(NULL, E_WARNING, "no key \"%s\" passed in optval", sec_key);
    2074           2 :                                 RETURN_FALSE;
    2075             :                         }
    2076           2 :                         if ((usec = zend_hash_str_find(opt_ht, usec_key, sizeof(usec_key) - 1)) == NULL) {
    2077           0 :                                 php_error_docref(NULL, E_WARNING, "no key \"%s\" passed in optval", usec_key);
    2078           0 :                                 RETURN_FALSE;
    2079             :                         }
    2080             : 
    2081           2 :                         convert_to_long_ex(sec);
    2082           2 :                         convert_to_long_ex(usec);
    2083             : #ifndef PHP_WIN32
    2084           2 :                         tv.tv_sec = Z_LVAL_P(sec);
    2085           2 :                         tv.tv_usec = Z_LVAL_P(usec);
    2086           2 :                         optlen = sizeof(tv);
    2087           2 :                         opt_ptr = &tv;
    2088             : #else
    2089             :                         timeout = Z_LVAL_P(sec) * 1000 + Z_LVAL_P(usec) / 1000;
    2090             :                         optlen = sizeof(int);
    2091             :                         opt_ptr = &timeout;
    2092             : #endif
    2093           2 :                         break;
    2094             :                 }
    2095             : #ifdef SO_BINDTODEVICE
    2096             :                 case SO_BINDTODEVICE: {
    2097           0 :                         if (Z_TYPE_P(arg4) == IS_STRING) {
    2098           0 :                                 opt_ptr = Z_STRVAL_P(arg4);
    2099           0 :                                 optlen = Z_STRLEN_P(arg4);
    2100             :                         } else {
    2101           0 :                                 opt_ptr = "";
    2102           0 :                                 optlen = 0;
    2103             :                         }
    2104           0 :                         break;
    2105             :                 }
    2106             : #endif
    2107             : 
    2108             :                 default:
    2109             : default_case:
    2110          10 :                         convert_to_long_ex(arg4);
    2111           5 :                         ov = Z_LVAL_P(arg4);
    2112             : 
    2113           5 :                         optlen = sizeof(ov);
    2114           5 :                         opt_ptr = &ov;
    2115             :                         break;
    2116             :         }
    2117             : 
    2118           8 :         retval = setsockopt(php_sock->bsd_socket, level, optname, opt_ptr, optlen);
    2119           8 :         if (retval != 0) {
    2120           1 :                 PHP_SOCKET_ERROR(php_sock, "unable to set socket option", errno);
    2121           1 :                 RETURN_FALSE;
    2122             :         }
    2123             : 
    2124           7 :         RETURN_TRUE;
    2125             : }
    2126             : /* }}} */
    2127             : 
    2128             : #ifdef HAVE_SOCKETPAIR
    2129             : /* {{{ proto bool socket_create_pair(int domain, int type, int protocol, array &fd)
    2130             :    Creates a pair of indistinguishable sockets and stores them in fds. */
    2131          10 : PHP_FUNCTION(socket_create_pair)
    2132             : {
    2133             :         zval            retval[2], *fds_array_zval;
    2134             :         php_socket      *php_sock[2];
    2135             :         PHP_SOCKET      fds_array[2];
    2136             :         zend_long               domain, type, protocol;
    2137             : 
    2138          10 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "lllz/", &domain, &type, &protocol, &fds_array_zval) == FAILURE) {
    2139           2 :                 return;
    2140             :         }
    2141             : 
    2142           8 :         php_sock[0] = php_create_socket();
    2143           8 :         php_sock[1] = php_create_socket();
    2144             : 
    2145          20 :         if (domain != AF_INET
    2146             : #if HAVE_IPV6
    2147           8 :                 && domain != AF_INET6
    2148             : #endif
    2149          12 :                 && domain != AF_UNIX) {
    2150           1 :                 php_error_docref(NULL, E_WARNING, "invalid socket domain [%pd] specified for argument 1, assuming AF_INET", domain);
    2151           1 :                 domain = AF_INET;
    2152             :         }
    2153             : 
    2154           8 :         if (type > 10) {
    2155           1 :                 php_error_docref(NULL, E_WARNING, "invalid socket type [%pd] specified for argument 2, assuming SOCK_STREAM", type);
    2156           1 :                 type = SOCK_STREAM;
    2157             :         }
    2158             : 
    2159           8 :         if (socketpair(domain, type, protocol, fds_array) != 0) {
    2160           3 :                 SOCKETS_G(last_error) = errno;
    2161           3 :                 php_error_docref(NULL, E_WARNING, "unable to create socket pair [%d]: %s", errno, sockets_strerror(errno));
    2162           3 :                 efree(php_sock[0]);
    2163           3 :                 efree(php_sock[1]);
    2164           3 :                 RETURN_FALSE;
    2165             :         }
    2166             : 
    2167           5 :         zval_dtor(fds_array_zval);
    2168           5 :         array_init(fds_array_zval);
    2169             : 
    2170           5 :         php_sock[0]->bsd_socket = fds_array[0];
    2171           5 :         php_sock[1]->bsd_socket = fds_array[1];
    2172           5 :         php_sock[0]->type            = domain;
    2173           5 :         php_sock[1]->type            = domain;
    2174           5 :         php_sock[0]->error           = 0;
    2175           5 :         php_sock[1]->error           = 0;
    2176           5 :         php_sock[0]->blocking        = 1;
    2177           5 :         php_sock[1]->blocking        = 1;
    2178             : 
    2179           5 :         ZVAL_RES(&retval[0], zend_register_resource(php_sock[0], le_socket));
    2180           5 :         ZVAL_RES(&retval[1], zend_register_resource(php_sock[1], le_socket));
    2181             : 
    2182           5 :         add_index_zval(fds_array_zval, 0, &retval[0]);
    2183           5 :         add_index_zval(fds_array_zval, 1, &retval[1]);
    2184             : 
    2185           5 :         RETURN_TRUE;
    2186             : }
    2187             : /* }}} */
    2188             : #endif
    2189             : 
    2190             : #ifdef HAVE_SHUTDOWN
    2191             : /* {{{ proto bool socket_shutdown(resource socket[, int how])
    2192             :    Shuts down a socket for receiving, sending, or both. */
    2193           5 : PHP_FUNCTION(socket_shutdown)
    2194             : {
    2195             :         zval            *arg1;
    2196           5 :         zend_long               how_shutdown = 2;
    2197             :         php_socket      *php_sock;
    2198             : 
    2199           5 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &arg1, &how_shutdown) == FAILURE) {
    2200           0 :                 return;
    2201             :         }
    2202             : 
    2203           5 :         if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    2204           0 :                 RETURN_FALSE;
    2205             :         }
    2206             : 
    2207           5 :         if (shutdown(php_sock->bsd_socket, how_shutdown) != 0) {
    2208           2 :                 PHP_SOCKET_ERROR(php_sock, "unable to shutdown socket", errno);
    2209           2 :                 RETURN_FALSE;
    2210             :         }
    2211             : 
    2212           3 :         RETURN_TRUE;
    2213             : }
    2214             : /* }}} */
    2215             : #endif
    2216             : 
    2217             : /* {{{ proto int socket_last_error([resource socket])
    2218             :    Returns the last socket error (either the last used or the provided socket resource) */
    2219           2 : PHP_FUNCTION(socket_last_error)
    2220             : {
    2221           2 :         zval            *arg1 = NULL;
    2222             :         php_socket      *php_sock;
    2223             : 
    2224           2 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "|r", &arg1) == FAILURE) {
    2225           0 :                 return;
    2226             :         }
    2227             : 
    2228           2 :         if (arg1) {
    2229           2 :                 if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    2230           0 :                         RETURN_FALSE;
    2231             :                 }
    2232           2 :                 RETVAL_LONG(php_sock->error);
    2233             :         } else {
    2234           0 :                 RETVAL_LONG(SOCKETS_G(last_error));
    2235             :         }
    2236             : }
    2237             : /* }}} */
    2238             : 
    2239             : /* {{{ proto void socket_clear_error([resource socket])
    2240             :    Clears the error on the socket or the last error code. */
    2241           1 : PHP_FUNCTION(socket_clear_error)
    2242             : {
    2243           1 :         zval            *arg1 = NULL;
    2244             :         php_socket      *php_sock;
    2245             : 
    2246           1 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "|r", &arg1) == FAILURE) {
    2247           0 :                 return;
    2248             :         }
    2249             : 
    2250           1 :         if (arg1) {
    2251           1 :                 if ((php_sock = (php_socket *)zend_fetch_resource(Z_RES_P(arg1), le_socket_name, le_socket)) == NULL) {
    2252           0 :                         RETURN_FALSE;
    2253             :                 }
    2254           1 :                 php_sock->error = 0;
    2255             :         } else {
    2256           0 :                 SOCKETS_G(last_error) = 0;
    2257             :         }
    2258             : 
    2259           1 :         return;
    2260             : }
    2261             : /* }}} */
    2262             : 
    2263           7 : php_socket *socket_import_file_descriptor(PHP_SOCKET socket)
    2264             : {
    2265             : #ifdef SO_DOMAIN
    2266             :         int                                             type;
    2267           7 :         socklen_t                               type_len = sizeof(type);
    2268             : #endif
    2269             :         php_socket                              *retsock;
    2270             :         php_sockaddr_storage    addr;
    2271           7 :         socklen_t                               addr_len = sizeof(addr);
    2272             : #ifndef PHP_WIN32
    2273             :         int                                      t;
    2274             : #endif
    2275             : 
    2276           7 :     retsock = php_create_socket();
    2277           7 :     retsock->bsd_socket = socket;
    2278             : 
    2279             :     /* determine family */
    2280             : #ifdef SO_DOMAIN
    2281           7 :     if (getsockopt(socket, SOL_SOCKET, SO_DOMAIN, &type, &type_len) == 0) {
    2282           7 :                 retsock->type = type;
    2283             :         } else
    2284             : #endif
    2285           0 :         if (getsockname(socket, (struct sockaddr*)&addr, &addr_len) == 0) {
    2286           0 :                 retsock->type = addr.ss_family;
    2287             :         } else {
    2288           0 :                 PHP_SOCKET_ERROR(retsock, "unable to obtain socket family", errno);
    2289           0 :                 goto error;
    2290             :         }
    2291             : 
    2292             :     /* determine blocking mode */
    2293             : #ifndef PHP_WIN32
    2294           7 :     t = fcntl(socket, F_GETFL);
    2295           7 :     if (t == -1) {
    2296           0 :                 PHP_SOCKET_ERROR(retsock, "unable to obtain blocking state", errno);
    2297           0 :                 goto error;
    2298             :     } else {
    2299           7 :         retsock->blocking = !(t & O_NONBLOCK);
    2300             :     }
    2301             : #endif
    2302             : 
    2303           7 :     return retsock;
    2304             : 
    2305             : error:
    2306           0 :         efree(retsock);
    2307           0 :         return NULL;
    2308             : }
    2309             : 
    2310             : /* {{{ proto void socket_import_stream(resource stream)
    2311             :    Imports a stream that encapsulates a socket into a socket extension resource. */
    2312          14 : PHP_FUNCTION(socket_import_stream)
    2313             : {
    2314             :         zval                             *zstream;
    2315             :         php_stream                       *stream;
    2316          14 :         php_socket                       *retsock = NULL;
    2317             :         PHP_SOCKET                       socket; /* fd */
    2318             : 
    2319          14 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zstream) == FAILURE) {
    2320           4 :                 return;
    2321             :         }
    2322          10 :         php_stream_from_zval(stream, zstream);
    2323             : 
    2324           8 :         if (php_stream_cast(stream, PHP_STREAM_AS_SOCKETD, (void**)&socket, 1)) {
    2325             :                 /* error supposedly already shown */
    2326           1 :                 RETURN_FALSE;
    2327             :         }
    2328             : 
    2329           7 :         retsock = socket_import_file_descriptor(socket);
    2330           7 :         if (retsock == NULL) {
    2331           0 :                 RETURN_FALSE;
    2332             :         }
    2333             : 
    2334             : #ifdef PHP_WIN32
    2335             :         /* on windows, check if the stream is a socket stream and read its
    2336             :          * private data; otherwise assume it's in non-blocking mode */
    2337             :         if (php_stream_is(stream, PHP_STREAM_IS_SOCKET)) {
    2338             :                 retsock->blocking =
    2339             :                                 ((php_netstream_data_t *)stream->abstract)->is_blocked;
    2340             :         } else {
    2341             :                 retsock->blocking = 1;
    2342             :         }
    2343             : #endif
    2344             : 
    2345             :         /* hold a zval reference to the stream (holding a php_stream* directly could
    2346             :          * also be done, but this might be slightly better if in the future we want
    2347             :          * to provide a socket_export_stream) */
    2348           7 :         ZVAL_COPY(&retsock->zstream, zstream);
    2349             : 
    2350           7 :         php_stream_set_option(stream, PHP_STREAM_OPTION_READ_BUFFER,
    2351             :                 PHP_STREAM_BUFFER_NONE, NULL);
    2352             : 
    2353           7 :         RETURN_RES(zend_register_resource(retsock, le_socket));
    2354             : }
    2355             : /* }}} */
    2356             : 
    2357             : /*
    2358             :  * Local variables:
    2359             :  * tab-width: 4
    2360             :  * c-basic-offset: 4
    2361             :  * End:
    2362             :  * vim600: fdm=marker
    2363             :  * vim: noet sw=4 ts=4
    2364             :  */

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