root/win32/sockets.c

DEFINITIONS

1. socketpair

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2015 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Chris Vandomelen <chrisv@b0rked.dhs.org>                    |
   |          Sterling Hughes  <sterling@php.net>                         |
   |                                                                      |
   | WinSock: Daniel Beulshausen <daniel@php4win.de>                      |
   +----------------------------------------------------------------------+
 */

/* $Id$ */

/* Code originally from ext/sockets */

#include <stdio.h>
#include <fcntl.h>

#include "php.h"

PHPAPI int socketpair(int domain, int type, int protocol, SOCKET sock[2])
{
        struct sockaddr_in address;
        SOCKET redirect;
        int size = sizeof(address);

        if(domain != AF_INET) {
                WSASetLastError(WSAENOPROTOOPT);
                return -1;
        }

        sock[0] = sock[1] = redirect = INVALID_SOCKET;


        sock[0] = socket(domain, type, protocol);
        if (INVALID_SOCKET == sock[0]) {
                goto error;
        }

        address.sin_addr.s_addr = INADDR_ANY;
        address.sin_family      = AF_INET;
        address.sin_port        = 0;

        if (bind(sock[0], (struct sockaddr*)&address, sizeof(address)) != 0) {
                goto error;
        }

        if(getsockname(sock[0], (struct sockaddr *)&address, &size) != 0) {
                goto error;
        }

        if (listen(sock[0], 2) != 0) {
                goto error;
        }

        sock[1] = socket(domain, type, protocol);
        if (INVALID_SOCKET == sock[1]) {
                goto error;
        }

        address.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
        if(connect(sock[1], (struct sockaddr*)&address, sizeof(address)) != 0) {
                goto error;
        }

        redirect = accept(sock[0],(struct sockaddr*)&address, &size);
        if (INVALID_SOCKET == redirect) {
                goto error;
        }

        closesocket(sock[0]);
        sock[0] = redirect;

        return 0;

error:
        closesocket(redirect);
        closesocket(sock[0]);
        closesocket(sock[1]);
        WSASetLastError(WSAECONNABORTED);
        return -1;
}