xref: /PHP-5.6/ext/standard/fsock.c (revision 49493a2d)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5                                                        |
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: Paul Panotzki - Bunyip Information Systems                  |
16    |          Jim Winstead <jimw@php.net>                                 |
17    |          Sascha Schumann <sascha@schumann.cx>                        |
18    +----------------------------------------------------------------------+
19 */
20 
21 /* $Id$ */
22 
23 #include "php.h"
24 #include "php_globals.h"
25 #include <stdlib.h>
26 #include <stddef.h>
27 #include "php_network.h"
28 #include "file.h"
29 
30 /* {{{ php_fsockopen() */
31 
php_fsockopen_stream(INTERNAL_FUNCTION_PARAMETERS,int persistent)32 static void php_fsockopen_stream(INTERNAL_FUNCTION_PARAMETERS, int persistent)
33 {
34 	char *host;
35 	int host_len;
36 	long port = -1;
37 	zval *zerrno = NULL, *zerrstr = NULL;
38 	double timeout = FG(default_socket_timeout);
39 	unsigned long conv;
40 	struct timeval tv;
41 	char *hashkey = NULL;
42 	php_stream *stream = NULL;
43 	int err;
44 	char *hostname = NULL;
45 	long hostname_len;
46 	char *errstr = NULL;
47 
48 	RETVAL_FALSE;
49 
50 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lzzd", &host, &host_len, &port, &zerrno, &zerrstr, &timeout) == FAILURE) {
51 		RETURN_FALSE;
52 	}
53 
54 	if (persistent) {
55 		spprintf(&hashkey, 0, "pfsockopen__%s:%ld", host, port);
56 	}
57 
58 	if (port > 0) {
59 		hostname_len = spprintf(&hostname, 0, "%s:%ld", host, port);
60 	} else {
61 		hostname_len = host_len;
62 		hostname = host;
63 	}
64 
65 	/* prepare the timeout value for use */
66 	conv = (unsigned long) (timeout * 1000000.0);
67 	tv.tv_sec = conv / 1000000;
68 	tv.tv_usec = conv % 1000000;
69 
70 	if (zerrno)	{
71 		zval_dtor(zerrno);
72 		ZVAL_LONG(zerrno, 0);
73 	}
74 	if (zerrstr) {
75 		zval_dtor(zerrstr);
76 		ZVAL_STRING(zerrstr, "", 1);
77 	}
78 
79 	stream = php_stream_xport_create(hostname, hostname_len, REPORT_ERRORS,
80 			STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT, hashkey, &tv, NULL, &errstr, &err);
81 
82 	if (port > 0) {
83 		efree(hostname);
84 	}
85 	if (stream == NULL) {
86 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to connect to %s:%ld (%s)", host, port, errstr == NULL ? "Unknown error" : errstr);
87 	}
88 
89 	if (hashkey) {
90 		efree(hashkey);
91 	}
92 
93 	if (stream == NULL)	{
94 		if (zerrno) {
95 			zval_dtor(zerrno);
96 			ZVAL_LONG(zerrno, err);
97 		}
98 		if (zerrstr && errstr) {
99 			/* no need to dup; we need to efree buf anyway */
100 			zval_dtor(zerrstr);
101 			ZVAL_STRING(zerrstr, errstr, 0);
102 		}
103 		else if (!zerrstr && errstr) {
104 			efree(errstr);
105 		}
106 
107 		RETURN_FALSE;
108 	}
109 
110 	if (errstr) {
111 		efree(errstr);
112 	}
113 
114 	php_stream_to_zval(stream, return_value);
115 }
116 
117 /* }}} */
118 
119 /* {{{ proto resource fsockopen(string hostname, int port [, int errno [, string errstr [, float timeout]]])
120    Open Internet or Unix domain socket connection */
PHP_FUNCTION(fsockopen)121 PHP_FUNCTION(fsockopen)
122 {
123 	php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
124 }
125 /* }}} */
126 /* {{{ proto resource pfsockopen(string hostname, int port [, int errno [, string errstr [, float timeout]]])
127    Open persistent Internet or Unix domain socket connection */
PHP_FUNCTION(pfsockopen)128 PHP_FUNCTION(pfsockopen)
129 {
130 	php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
131 }
132 /* }}} */
133 
134 /*
135  * Local variables:
136  * tab-width: 4
137  * c-basic-offset: 4
138  * End:
139  * vim600: sw=4 ts=4 fdm=marker
140  * vim<600: sw=4 ts=4
141  */
142