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php 5.4.29

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2014 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Chris Vandomelen <chrisv@b0rked.dhs.org>                    |
   |          Sterling Hughes  <sterling@php.net>                         |
   |                                                                      |
   | WinSock: Daniel Beulshausen <daniel@php4win.de>                      |
   +----------------------------------------------------------------------+
 */

/* $Id: sockets.c,v 1.1.1.4 2014/06/15 20:04:03 misho Exp $ */

/* 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;
}