root/ext/standard/fsock.c

DEFINITIONS

1. php_fsockopen_stream
2. PHP_FUNCTION
3. PHP_FUNCTION

/*
   +----------------------------------------------------------------------+
   | 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: Paul Panotzki - Bunyip Information Systems                  |
   |          Jim Winstead <jimw@php.net>                                 |
   |          Sascha Schumann <sascha@schumann.cx>                        |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#include "php.h"
#include "php_globals.h"
#include <stdlib.h>
#include <stddef.h>
#include "php_network.h"
#include "file.h"

/* {{{ php_fsockopen() */

static void php_fsockopen_stream(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
        char *host;
        int host_len;
        long port = -1;
        zval *zerrno = NULL, *zerrstr = NULL;
        double timeout = FG(default_socket_timeout);
        unsigned long conv;
        struct timeval tv;
        char *hashkey = NULL;
        php_stream *stream = NULL;
        int err;
        char *hostname = NULL;
        long hostname_len;
        char *errstr = NULL;

        RETVAL_FALSE;
        
        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lzzd", &host, &host_len, &port, &zerrno, &zerrstr, &timeout) == FAILURE) {
                RETURN_FALSE;
        }

        if (persistent) {
                spprintf(&hashkey, 0, "pfsockopen__%s:%ld", host, port);
        }

        if (port > 0) {
                hostname_len = spprintf(&hostname, 0, "%s:%ld", host, port);
        } else {
                hostname_len = host_len;
                hostname = host;
        }
        
        /* prepare the timeout value for use */
        conv = (unsigned long) (timeout * 1000000.0);
        tv.tv_sec = conv / 1000000;
        tv.tv_usec = conv % 1000000;

        if (zerrno)     {
                zval_dtor(zerrno);
                ZVAL_LONG(zerrno, 0);
        }
        if (zerrstr) {
                zval_dtor(zerrstr);
                ZVAL_STRING(zerrstr, "", 1);
        }

        stream = php_stream_xport_create(hostname, hostname_len, REPORT_ERRORS,
                        STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT, hashkey, &tv, NULL, &errstr, &err);

        if (port > 0) {
                efree(hostname);
        }
        if (stream == NULL) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to connect to %s:%ld (%s)", host, port, errstr == NULL ? "Unknown error" : errstr);
        }

        if (hashkey) {
                efree(hashkey);
        }
        
        if (stream == NULL)     {
                if (zerrno) {
                        zval_dtor(zerrno);
                        ZVAL_LONG(zerrno, err);
                }
                if (zerrstr && errstr) {
                        /* no need to dup; we need to efree buf anyway */
                        zval_dtor(zerrstr);
                        ZVAL_STRING(zerrstr, errstr, 0);
                }
                else if (!zerrstr && errstr) {
                        efree(errstr);
                } 

                RETURN_FALSE;
        }

        if (errstr) {
                efree(errstr);
        }
                
        php_stream_to_zval(stream, return_value);
}

/* }}} */

/* {{{ proto resource fsockopen(string hostname, int port [, int errno [, string errstr [, float timeout]]])
   Open Internet or Unix domain socket connection */
PHP_FUNCTION(fsockopen)
{
        php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ proto resource pfsockopen(string hostname, int port [, int errno [, string errstr [, float timeout]]])
   Open persistent Internet or Unix domain socket connection */
PHP_FUNCTION(pfsockopen)
{
        php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */

/*
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