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_arch_inherit.h"
19 #include "apr_network_io.h"
20 #include "apr_general.h"
21 #include "apr_portable.h"
22 #include "apr_lib.h"
23 #include "apr_strings.h"
24 #include <errno.h>
25 #include <string.h>
26 #include <sys/socket.h>
27 #include <netinet/tcp.h>
28 #include <netinet/in.h>
29 #include <arpa/inet.h>
30 #include <netdb.h>
31 #include "apr_arch_os2calls.h"
32
socket_cleanup(void * sock)33 static apr_status_t socket_cleanup(void *sock)
34 {
35 apr_socket_t *thesocket = sock;
36
37 if (thesocket->socketdes < 0) {
38 return APR_EINVALSOCK;
39 }
40
41 if (soclose(thesocket->socketdes) == 0) {
42 thesocket->socketdes = -1;
43 return APR_SUCCESS;
44 }
45 else {
46 return APR_OS2_STATUS(sock_errno());
47 }
48 }
49
set_socket_vars(apr_socket_t * sock,int family,int type,int protocol)50 static void set_socket_vars(apr_socket_t *sock, int family, int type, int protocol)
51 {
52 sock->type = type;
53 sock->protocol = protocol;
54 apr_sockaddr_vars_set(sock->local_addr, family, 0);
55 apr_sockaddr_vars_set(sock->remote_addr, family, 0);
56 }
57
alloc_socket(apr_socket_t ** new,apr_pool_t * p)58 static void alloc_socket(apr_socket_t **new, apr_pool_t *p)
59 {
60 *new = (apr_socket_t *)apr_pcalloc(p, sizeof(apr_socket_t));
61 (*new)->pool = p;
62 (*new)->local_addr = (apr_sockaddr_t *)apr_pcalloc((*new)->pool,
63 sizeof(apr_sockaddr_t));
64 (*new)->local_addr->pool = p;
65
66 (*new)->remote_addr = (apr_sockaddr_t *)apr_pcalloc((*new)->pool,
67 sizeof(apr_sockaddr_t));
68 (*new)->remote_addr->pool = p;
69 (*new)->remote_addr_unknown = 1;
70
71 /* Create a pollset with room for one descriptor. */
72 /* ### check return codes */
73 (void) apr_pollset_create(&(*new)->pollset, 1, p, 0);
74 }
75
apr_socket_protocol_get(apr_socket_t * sock,int * protocol)76 APR_DECLARE(apr_status_t) apr_socket_protocol_get(apr_socket_t *sock, int *protocol)
77 {
78 *protocol = sock->protocol;
79 return APR_SUCCESS;
80 }
81
apr_socket_create(apr_socket_t ** new,int family,int type,int protocol,apr_pool_t * cont)82 APR_DECLARE(apr_status_t) apr_socket_create(apr_socket_t **new, int family, int type,
83 int protocol, apr_pool_t *cont)
84 {
85 int downgrade = (family == AF_UNSPEC);
86 apr_pollfd_t pfd;
87
88 if (family == AF_UNSPEC) {
89 #if APR_HAVE_IPV6
90 family = AF_INET6;
91 #else
92 family = AF_INET;
93 #endif
94 }
95
96 alloc_socket(new, cont);
97
98 (*new)->socketdes = socket(family, type, protocol);
99 #if APR_HAVE_IPV6
100 if ((*new)->socketdes < 0 && downgrade) {
101 family = AF_INET;
102 (*new)->socketdes = socket(family, type, protocol);
103 }
104 #endif
105
106 if ((*new)->socketdes < 0) {
107 return APR_OS2_STATUS(sock_errno());
108 }
109 set_socket_vars(*new, family, type, protocol);
110
111 (*new)->timeout = -1;
112 (*new)->nonblock = FALSE;
113 apr_pool_cleanup_register((*new)->pool, (void *)(*new),
114 socket_cleanup, apr_pool_cleanup_null);
115
116 return APR_SUCCESS;
117 }
118
apr_socket_shutdown(apr_socket_t * thesocket,apr_shutdown_how_e how)119 APR_DECLARE(apr_status_t) apr_socket_shutdown(apr_socket_t *thesocket,
120 apr_shutdown_how_e how)
121 {
122 if (shutdown(thesocket->socketdes, how) == 0) {
123 return APR_SUCCESS;
124 }
125 else {
126 return APR_OS2_STATUS(sock_errno());
127 }
128 }
129
apr_socket_close(apr_socket_t * thesocket)130 APR_DECLARE(apr_status_t) apr_socket_close(apr_socket_t *thesocket)
131 {
132 apr_pool_cleanup_kill(thesocket->pool, thesocket, socket_cleanup);
133 return socket_cleanup(thesocket);
134 }
135
apr_socket_bind(apr_socket_t * sock,apr_sockaddr_t * sa)136 APR_DECLARE(apr_status_t) apr_socket_bind(apr_socket_t *sock,
137 apr_sockaddr_t *sa)
138 {
139 if (bind(sock->socketdes,
140 (struct sockaddr *)&sa->sa,
141 sa->salen) == -1)
142 return APR_OS2_STATUS(sock_errno());
143 else {
144 sock->local_addr = sa;
145 /* XXX IPv6 - this assumes sin_port and sin6_port at same offset */
146 if (sock->local_addr->sa.sin.sin_port == 0) { /* no need for ntohs() when comparing w/ 0 */
147 sock->local_port_unknown = 1; /* kernel got us an ephemeral port */
148 }
149 return APR_SUCCESS;
150 }
151 }
152
apr_socket_listen(apr_socket_t * sock,apr_int32_t backlog)153 APR_DECLARE(apr_status_t) apr_socket_listen(apr_socket_t *sock,
154 apr_int32_t backlog)
155 {
156 if (listen(sock->socketdes, backlog) == -1)
157 return APR_OS2_STATUS(sock_errno());
158 else
159 return APR_SUCCESS;
160 }
161
apr_socket_accept(apr_socket_t ** new,apr_socket_t * sock,apr_pool_t * connection_context)162 APR_DECLARE(apr_status_t) apr_socket_accept(apr_socket_t **new,
163 apr_socket_t *sock,
164 apr_pool_t *connection_context)
165 {
166 alloc_socket(new, connection_context);
167 set_socket_vars(*new, sock->local_addr->sa.sin.sin_family, SOCK_STREAM, sock->protocol);
168
169 (*new)->timeout = -1;
170 (*new)->nonblock = FALSE;
171
172 (*new)->socketdes = accept(sock->socketdes,
173 (struct sockaddr *)&(*new)->remote_addr->sa,
174 &(*new)->remote_addr->salen);
175
176 if ((*new)->socketdes < 0) {
177 return APR_OS2_STATUS(sock_errno());
178 }
179
180 *(*new)->local_addr = *sock->local_addr;
181 (*new)->local_addr->pool = connection_context;
182 (*new)->remote_addr->port = ntohs((*new)->remote_addr->sa.sin.sin_port);
183
184 /* fix up any pointers which are no longer valid */
185 if (sock->local_addr->sa.sin.sin_family == AF_INET) {
186 (*new)->local_addr->ipaddr_ptr = &(*new)->local_addr->sa.sin.sin_addr;
187 }
188
189 apr_pool_cleanup_register((*new)->pool, (void *)(*new),
190 socket_cleanup, apr_pool_cleanup_null);
191 return APR_SUCCESS;
192 }
193
apr_socket_connect(apr_socket_t * sock,apr_sockaddr_t * sa)194 APR_DECLARE(apr_status_t) apr_socket_connect(apr_socket_t *sock,
195 apr_sockaddr_t *sa)
196 {
197 if ((connect(sock->socketdes, (struct sockaddr *)&sa->sa.sin,
198 sa->salen) < 0) &&
199 (sock_errno() != SOCEINPROGRESS)) {
200 return APR_OS2_STATUS(sock_errno());
201 }
202 else {
203 int namelen = sizeof(sock->local_addr->sa.sin);
204 getsockname(sock->socketdes, (struct sockaddr *)&sock->local_addr->sa.sin,
205 &namelen);
206 sock->remote_addr = sa;
207 return APR_SUCCESS;
208 }
209 }
210
apr_socket_type_get(apr_socket_t * sock,int * type)211 APR_DECLARE(apr_status_t) apr_socket_type_get(apr_socket_t *sock, int *type)
212 {
213 *type = sock->type;
214 return APR_SUCCESS;
215 }
216
apr_socket_data_get(void ** data,const char * key,apr_socket_t * sock)217 APR_DECLARE(apr_status_t) apr_socket_data_get(void **data, const char *key,
218 apr_socket_t *sock)
219 {
220 sock_userdata_t *cur = sock->userdata;
221
222 *data = NULL;
223
224 while (cur) {
225 if (!strcmp(cur->key, key)) {
226 *data = cur->data;
227 break;
228 }
229 cur = cur->next;
230 }
231
232 return APR_SUCCESS;
233 }
234
235
236
apr_socket_data_set(apr_socket_t * sock,void * data,const char * key,apr_status_t (* cleanup)(void *))237 APR_DECLARE(apr_status_t) apr_socket_data_set(apr_socket_t *sock, void *data, const char *key,
238 apr_status_t (*cleanup) (void *))
239 {
240 sock_userdata_t *new = apr_palloc(sock->pool, sizeof(sock_userdata_t));
241
242 new->key = apr_pstrdup(sock->pool, key);
243 new->data = data;
244 new->next = sock->userdata;
245 sock->userdata = new;
246
247 if (cleanup) {
248 apr_pool_cleanup_register(sock->pool, data, cleanup, cleanup);
249 }
250
251 return APR_SUCCESS;
252 }
253
apr_os_sock_get(apr_os_sock_t * thesock,apr_socket_t * sock)254 APR_DECLARE(apr_status_t) apr_os_sock_get(apr_os_sock_t *thesock, apr_socket_t *sock)
255 {
256 *thesock = sock->socketdes;
257 return APR_SUCCESS;
258 }
259
apr_os_sock_make(apr_socket_t ** apr_sock,apr_os_sock_info_t * os_sock_info,apr_pool_t * cont)260 APR_DECLARE(apr_status_t) apr_os_sock_make(apr_socket_t **apr_sock,
261 apr_os_sock_info_t *os_sock_info,
262 apr_pool_t *cont)
263 {
264 alloc_socket(apr_sock, cont);
265 set_socket_vars(*apr_sock, os_sock_info->family, os_sock_info->type, os_sock_info->protocol);
266 (*apr_sock)->timeout = -1;
267 (*apr_sock)->socketdes = *os_sock_info->os_sock;
268 if (os_sock_info->local) {
269 memcpy(&(*apr_sock)->local_addr->sa.sin,
270 os_sock_info->local,
271 (*apr_sock)->local_addr->salen);
272 /* XXX IPv6 - this assumes sin_port and sin6_port at same offset */
273 (*apr_sock)->local_addr->port = ntohs((*apr_sock)->local_addr->sa.sin.sin_port);
274 }
275 else {
276 (*apr_sock)->local_port_unknown = (*apr_sock)->local_interface_unknown = 1;
277 }
278 if (os_sock_info->remote) {
279 memcpy(&(*apr_sock)->remote_addr->sa.sin,
280 os_sock_info->remote,
281 (*apr_sock)->remote_addr->salen);
282 /* XXX IPv6 - this assumes sin_port and sin6_port at same offset */
283 (*apr_sock)->remote_addr->port = ntohs((*apr_sock)->remote_addr->sa.sin.sin_port);
284 }
285 else {
286 (*apr_sock)->remote_addr_unknown = 1;
287 }
288
289 apr_pool_cleanup_register((*apr_sock)->pool, (void *)(*apr_sock),
290 socket_cleanup, apr_pool_cleanup_null);
291
292 return APR_SUCCESS;
293 }
294
apr_os_sock_put(apr_socket_t ** sock,apr_os_sock_t * thesock,apr_pool_t * cont)295 APR_DECLARE(apr_status_t) apr_os_sock_put(apr_socket_t **sock, apr_os_sock_t *thesock, apr_pool_t *cont)
296 {
297 if (cont == NULL) {
298 return APR_ENOPOOL;
299 }
300 if ((*sock) == NULL) {
301 alloc_socket(sock, cont);
302 set_socket_vars(*sock, AF_INET, SOCK_STREAM, 0);
303 (*sock)->timeout = -1;
304 }
305
306 (*sock)->local_port_unknown = (*sock)->local_interface_unknown = 1;
307 (*sock)->remote_addr_unknown = 1;
308 (*sock)->socketdes = *thesock;
309 return APR_SUCCESS;
310 }
311
312 APR_POOL_IMPLEMENT_ACCESSOR(socket);
313
314 APR_IMPLEMENT_INHERIT_SET(socket, inherit, pool, socket_cleanup)
315
316 APR_IMPLEMENT_INHERIT_UNSET(socket, inherit, pool, socket_cleanup)
317
318