1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "php_globals.h"
#include <stdlib.h>
#include <stddef.h>
#include "php_network.h"
#include "file.h"
static size_t php_fsockopen_format_host_port(char **message, const char *prefix, size_t prefix_len,
const char *host, size_t host_len, zend_long port)
{
char portbuf[32];
int portlen = snprintf(portbuf, sizeof(portbuf), ":" ZEND_LONG_FMT, port);
size_t total_len = prefix_len + host_len + portlen;
char *result = emalloc(total_len + 1);
if (prefix_len > 0) {
memcpy(result, prefix, prefix_len);
}
memcpy(result + prefix_len, host, host_len);
memcpy(result + prefix_len + host_len, portbuf, portlen);
result[total_len] = '\0';
*message = result;
return total_len;
}
/* {{{ php_fsockopen() */
static void php_fsockopen_stream(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
char *host;
size_t host_len;
zend_long port = -1;
zval *zerrno = NULL, *zerrstr = NULL;
double timeout;
bool timeout_is_null = 1;
#ifndef PHP_WIN32
time_t conv;
#else
long conv;
#endif
struct timeval tv;
char *hashkey = NULL;
php_stream *stream = NULL;
int err;
char *hostname = NULL;
size_t hostname_len;
zend_string *errstr = NULL;
ZEND_PARSE_PARAMETERS_START(1, 5)
Z_PARAM_STRING(host, host_len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(port)
Z_PARAM_ZVAL(zerrno)
Z_PARAM_ZVAL(zerrstr)
Z_PARAM_DOUBLE_OR_NULL(timeout, timeout_is_null)
ZEND_PARSE_PARAMETERS_END();
RETVAL_FALSE;
if (timeout_is_null) {
timeout = (double)FG(default_socket_timeout);
}
if (persistent) {
php_fsockopen_format_host_port(&hashkey, "pfsockopen__", strlen("pfsockopen__"), host,
host_len, port);
}
if (port > 0) {
hostname_len = php_fsockopen_format_host_port(&hostname, "", 0, host, host_len, port);
} else {
hostname_len = host_len;
hostname = host;
}
/* prepare the timeout value for use */
if (timeout != -1.0 && !(timeout >= 0.0 && timeout <= (double) PHP_TIMEOUT_ULL_MAX / 1000000.0)) {
if (port > 0) {
efree(hostname);
}
if (hashkey) {
efree(hashkey);
}
zend_argument_value_error(6, "must be -1 or between 0 and " ZEND_ULONG_FMT, ((double) PHP_TIMEOUT_ULL_MAX / 1000000.0));
RETURN_THROWS();
} else {
#ifndef PHP_WIN32
conv = (time_t) (timeout * 1000000.0);
tv.tv_sec = conv / 1000000;
#else
conv = (long) (timeout * 1000000.0);
tv.tv_sec = conv / 1000000;
#endif
tv.tv_usec = conv % 1000000;
}
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, E_WARNING, "Unable to connect to %s:" ZEND_LONG_FMT " (%s)", host, port, errstr == NULL ? "Unknown error" : ZSTR_VAL(errstr));
}
if (hashkey) {
efree(hashkey);
}
if (stream == NULL) {
if (zerrno) {
ZEND_TRY_ASSIGN_REF_LONG(zerrno, err);
}
if (errstr) {
if (zerrstr) {
ZEND_TRY_ASSIGN_REF_STR(zerrstr, errstr);
} else {
zend_string_release(errstr);
}
}
RETURN_FALSE;
}
if (zerrno) {
ZEND_TRY_ASSIGN_REF_LONG(zerrno, 0);
}
if (zerrstr) {
ZEND_TRY_ASSIGN_REF_EMPTY_STRING(zerrstr);
}
if (errstr) {
zend_string_release_ex(errstr, 0);
}
php_stream_to_zval(stream, return_value);
}
/* }}} */
/* {{{ Open Internet or Unix domain socket connection */
PHP_FUNCTION(fsockopen)
{
php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ Open persistent Internet or Unix domain socket connection */
PHP_FUNCTION(pfsockopen)
{
php_fsockopen_stream(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
|
