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
|
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "networkio.h"
#include "apr_strings.h"
static ap_status_t soblock(int sd)
{
/* BeOS uses setsockopt at present for non blocking... */
#ifndef BEOS
int fd_flags;
fd_flags = fcntl(sd, F_GETFL, 0);
#if defined(O_NONBLOCK)
fd_flags &= ~O_NONBLOCK;
#elif defined(O_NDELAY)
fd_flags &= ~O_NDELAY;
#elif defined(FNDELAY)
fd_flags &= ~O_FNDELAY;
#else
/* XXXX: this breaks things, but an alternative isn't obvious...*/
return -1;
#endif
if (fcntl(sd, F_SETFL, fd_flags) == -1) {
return errno;
}
#else
int on = 0;
if (setsockopt(sd, SOL_SOCKET, SO_NONBLOCK, &on, sizeof(int)) < 0)
return errno;
#endif /* BEOS */
return APR_SUCCESS;
}
static ap_status_t sononblock(int sd)
{
#ifndef BEOS
int fd_flags;
fd_flags = fcntl(sd, F_GETFL, 0);
#if defined(O_NONBLOCK)
fd_flags |= O_NONBLOCK;
#elif defined(O_NDELAY)
fd_flags |= O_NDELAY;
#elif defined(FNDELAY)
fd_flags |= O_FNDELAY;
#else
/* XXXX: this breaks things, but an alternative isn't obvious...*/
return -1;
#endif
if (fcntl(sd, F_SETFL, fd_flags) == -1) {
return errno;
}
#else
int on = 1;
if (setsockopt(sd, SOL_SOCKET, SO_NONBLOCK, &on, sizeof(int)) < 0)
return errno;
#endif /* BEOS */
return APR_SUCCESS;
}
ap_status_t ap_setsocketopt(ap_socket_t *sock, ap_int32_t opt, ap_int32_t on)
{
int one;
struct linger li;
ap_status_t stat;
if (on)
one = 1;
else
one = 0;
if (opt & APR_SO_KEEPALIVE) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_KEEPALIVE, (void *)&one, sizeof(int)) == -1) {
return errno;
}
}
if (opt & APR_SO_DEBUG) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_DEBUG, (void *)&one, sizeof(int)) == -1) {
return errno;
}
}
if (opt & APR_SO_REUSEADDR) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(int)) == -1) {
return errno;
}
}
if (opt & APR_SO_SNDBUF) {
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDBUF, (void *)&on, sizeof(int)) == -1) {
return errno;
}
}
if (opt & APR_SO_NONBLOCK) {
if (on) {
if ((stat = sononblock(sock->socketdes)) != APR_SUCCESS)
return stat;
}
else {
if ((stat = soblock(sock->socketdes)) != APR_SUCCESS)
return stat;
}
}
if (opt & APR_SO_LINGER) {
li.l_onoff = on;
li.l_linger = MAX_SECS_TO_LINGER;
if (setsockopt(sock->socketdes, SOL_SOCKET, SO_LINGER, (char *) &li, sizeof(struct linger)) == -1) {
return errno;
}
}
if (opt & APR_SO_TIMEOUT) {
/* don't do the fcntl foo more than needed */
if (on >= 0 && sock->timeout < 0
&& (stat = sononblock(sock->socketdes)) != APR_SUCCESS) {
return stat;
}
else if (on < 0 && sock->timeout >= 0
&& (stat = soblock(sock->socketdes)) != APR_SUCCESS) {
return stat;
}
sock->timeout = on;
}
return APR_SUCCESS;
}
ap_status_t ap_getsocketopt(ap_socket_t *sock, ap_int32_t opt, ap_int32_t *on)
{
switch(opt) {
case APR_SO_TIMEOUT:
*on = sock->timeout;
break;
default:
return APR_EINVAL;
}
return APR_SUCCESS;
}
ap_status_t ap_gethostname(char *buf, ap_int32_t len, ap_pool_t *cont)
{
if (gethostname(buf, len) == -1)
return errno;
else
return APR_SUCCESS;
}
ap_status_t ap_get_remote_hostname(char **name, ap_socket_t *sock)
{
struct hostent *hptr;
hptr = gethostbyaddr((char *)&(sock->remote_addr->sin_addr),
sizeof(struct in_addr), AF_INET);
if (hptr != NULL) {
*name = ap_pstrdup(sock->cntxt, hptr->h_name);
if (*name) {
return APR_SUCCESS;
}
return APR_ENOMEM;
}
/* XXX - Is referencing h_errno threadsafe? */
return (h_errno + APR_OS_START_SYSERR);
}
|
