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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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: Stig Venaas <venaas@uninett.no> |
+----------------------------------------------------------------------+
*/
/* $Id: network.c,v 1.9 2000/09/18 15:15:27 stas Exp $ */
#include "php.h"
#ifdef PHP_WIN32
#include <windows.h>
#include <winsock.h>
#define O_RDONLY _O_RDONLY
#include "win32/param.h"
#else
#include <sys/param.h>
#endif
#include <sys/types.h>
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifndef PHP_WIN32
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#else
int inet_aton(const char *, struct in_addr *);
#endif
#include "php_network.h"
#ifdef PHP_WIN32
#undef AF_UNIX
#endif
#if defined(AF_UNIX)
#include <sys/un.h>
#endif
#ifdef PHP_WIN32
# define SOCK_ERR INVALID_SOCKET
# define SOCK_CONN_ERR SOCKET_ERROR
#else
# define SOCK_ERR -1
# define SOCK_CONN_ERR -1
#endif
static void php_network_freeaddresses(struct sockaddr **sal)
{
struct sockaddr **sap;
if (sal == NULL)
return;
for (sap = sal; *sap != NULL; sap++)
efree(*sap);
efree(sal);
}
static int php_network_getaddresses(const char *host, struct sockaddr ***sal)
{
struct sockaddr **sap;
if (host != NULL) {
#ifdef HAVE_GETADDRINFO
struct addrinfo hints, *res, *sai;
int n;
memset( &hints, '\0', sizeof(hints) );
hints.ai_family = AF_UNSPEC;
if (getaddrinfo(host, NULL, &hints, &res))
return -1;
sai = res;
for (n=2; (sai = sai->ai_next) != NULL; n++);
*sal = emalloc(n * sizeof(*sal));
if (*sal == NULL)
return -1;
sai = res;
sap = *sal;
do {
switch (sai->ai_family) {
# ifdef HAVE_STRUCT_SOCKADDR_IN6
case AF_INET6: {
*sap = emalloc(sizeof(struct sockaddr_in6));
if (*sap == NULL) {
freeaddrinfo(res);
goto errexit;
}
*(struct sockaddr_in6 *)*sap =
*((struct sockaddr_in6 *)sai->ai_addr);
} break;
# endif
case AF_INET: {
*sap = emalloc(sizeof(struct sockaddr_in));
if (*sap == NULL) {
freeaddrinfo(res);
goto errexit;
}
*(struct sockaddr_in *)*sap =
*((struct sockaddr_in *)sai->ai_addr);
} break;
default:
*sap = NULL;
break;
}
sap++;
} while ((sai = sai->ai_next) != NULL);
freeaddrinfo(res);
#else
struct hostent *host_info;
struct in_addr in;
if (!inet_aton(host, &in)) {
/* XXX NOT THREAD SAFE */
host_info = gethostbyname(host);
if (host_info == NULL)
return -1;
in = *((struct in_addr *) host_info->h_addr);
}
*sal = emalloc(2 * sizeof(*sal));
if (*sal == NULL)
return -1;
sap = *sal;
*sap = emalloc(sizeof(struct sockaddr_in));
if (*sap == NULL)
goto errexit;
(*sap)->sa_family = AF_INET;
((struct sockaddr_in *)*sap)->sin_addr = in;
sap++;
#endif
*sap = NULL;
return 0;
errexit:
php_network_freeaddresses(*sal);
}
return -1;
}
/*
* Creates a socket of type socktype and connects to the given host and
* port, returns the created socket on success, else returns -1.
* timeout gives timeout in seconds, 0 means blocking mode.
*/
int php_hostconnect(char *host, unsigned short port, int socktype, int timeout)
{
int s;
struct sockaddr **sal, **psal;
if (php_network_getaddresses(host, &sal))
return -1;
psal = sal;
while (*sal != NULL) {
s = socket((*sal)->sa_family, socktype, 0);
if (s != SOCK_ERR) {
switch ((*sal)->sa_family) {
#if defined( HAVE_GETADDRINFO ) && defined( HAVE_STRUCT_SOCKADDR_IN6 )
case AF_INET6: {
struct sockaddr_in6 *sa =
(struct sockaddr_in6 *)*sal;
sa->sin6_family = (*sal)->sa_family;
sa->sin6_port = htons(port);
if (connect(s, (struct sockaddr *) sa,
sizeof(*sa)) != SOCK_CONN_ERR)
goto ok;
} break;
#endif
case AF_INET: {
struct sockaddr_in *sa =
(struct sockaddr_in *)*sal;
sa->sin_family = (*sal)->sa_family;
sa->sin_port = htons(port);
if (connect(s, (struct sockaddr *) sa,
sizeof(*sa)) != SOCK_CONN_ERR)
goto ok;
} break;
}
close (s);
}
sal++;
}
php_network_freeaddresses(psal);
return -1;
ok:
php_network_freeaddresses(psal);
return s;
}
/*
* Local variables:
* tab-width: 8
* c-basic-offset: 8
* End:
*/
|
