1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "apr_arch_networkio.h"
18#include "apr_network_io.h"
19#include "apr_general.h"
20#include "apr_lib.h"
21#include "apr_strings.h"
22#include <errno.h>
23#include <string.h>
24#include <sys/socket.h>
25#include <netinet/tcp.h>
26#include <netinet/in.h>
27#include <unistd.h>
28#include <netdb.h>
29#include <sys/so_ioctl.h>
30
31
32APR_DECLARE(apr_status_t) apr_socket_timeout_set(apr_socket_t *sock,
33                                                 apr_interval_time_t t)
34{
35    sock->timeout = t;
36    return APR_SUCCESS;
37}
38
39
40APR_DECLARE(apr_status_t) apr_socket_opt_set(apr_socket_t *sock,
41                                             apr_int32_t opt, apr_int32_t on)
42{
43    int one;
44    struct linger li;
45
46    if (on)
47        one = 1;
48    else
49        one = 0;
50
51    if (opt & APR_SO_KEEPALIVE) {
52        if (setsockopt(sock->socketdes, SOL_SOCKET, SO_KEEPALIVE, (void *)&one, sizeof(int)) == -1) {
53            return APR_OS2_STATUS(sock_errno());
54        }
55    }
56    if (opt & APR_SO_DEBUG) {
57        if (setsockopt(sock->socketdes, SOL_SOCKET, SO_DEBUG, (void *)&one, sizeof(int)) == -1) {
58            return APR_OS2_STATUS(sock_errno());
59        }
60    }
61    if (opt & APR_SO_REUSEADDR) {
62        if (setsockopt(sock->socketdes, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(int)) == -1) {
63            return APR_OS2_STATUS(sock_errno());
64        }
65    }
66    if (opt & APR_SO_SNDBUF) {
67        if (setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDBUF, (void *)&on, sizeof(int)) == -1) {
68            return APR_OS2_STATUS(sock_errno());
69        }
70    }
71    if (opt & APR_SO_NONBLOCK) {
72        if (ioctl(sock->socketdes, FIONBIO, (caddr_t)&one, sizeof(one)) == -1) {
73            return APR_OS2_STATUS(sock_errno());
74        } else {
75            sock->nonblock = one;
76        }
77    }
78    if (opt & APR_SO_LINGER) {
79        li.l_onoff = on;
80        li.l_linger = APR_MAX_SECS_TO_LINGER;
81        if (setsockopt(sock->socketdes, SOL_SOCKET, SO_LINGER, (char *) &li, sizeof(struct linger)) == -1) {
82            return APR_OS2_STATUS(sock_errno());
83        }
84    }
85    if (opt & APR_TCP_NODELAY) {
86        if (setsockopt(sock->socketdes, IPPROTO_TCP, TCP_NODELAY, (void *)&on, sizeof(int)) == -1) {
87            return APR_OS2_STATUS(sock_errno());
88        }
89    }
90    return APR_SUCCESS;
91}
92
93
94APR_DECLARE(apr_status_t) apr_socket_timeout_get(apr_socket_t *sock,
95                                                 apr_interval_time_t *t)
96{
97    *t = sock->timeout;
98    return APR_SUCCESS;
99}
100
101
102APR_DECLARE(apr_status_t) apr_socket_opt_get(apr_socket_t *sock,
103                                             apr_int32_t opt, apr_int32_t *on)
104{
105    switch(opt) {
106    default:
107        return APR_EINVAL;
108    }
109    return APR_SUCCESS;
110}
111
112
113APR_DECLARE(apr_status_t) apr_socket_atmark(apr_socket_t *sock, int *atmark)
114{
115    int oobmark;
116
117    if (ioctl(sock->socketdes, SIOCATMARK, (void*)&oobmark, sizeof(oobmark)) < 0) {
118        return APR_OS2_STATUS(sock_errno());
119    }
120
121    *atmark = (oobmark != 0);
122
123    return APR_SUCCESS;
124}
125
126
127APR_DECLARE(apr_status_t) apr_gethostname(char *buf, apr_int32_t len,
128                                          apr_pool_t *cont)
129{
130    if (gethostname(buf, len) == -1) {
131        buf[0] = '\0';
132        return APR_OS2_STATUS(sock_errno());
133    }
134    else if (!memchr(buf, '\0', len)) { /* buffer too small */
135        buf[0] = '\0';
136        return APR_ENAMETOOLONG;
137    }
138    return APR_SUCCESS;
139}
140