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Commit | Line | Data |
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1 | ||
2 | /* | |
3 | * aim_conn.c | |
4 | * | |
5 | * Does all this gloriously nifty connection handling stuff... | |
6 | * | |
7 | */ | |
8 | ||
9 | #include <faim/aim.h> | |
10 | ||
11 | #ifndef _WIN32 | |
12 | #include <netdb.h> | |
13 | #include <sys/socket.h> | |
14 | #include <netinet/in.h> | |
15 | #endif | |
16 | ||
17 | /** | |
18 | * aim_connrst - Clears out connection list, killing remaining connections. | |
19 | * @sess: Session to be cleared | |
20 | * | |
21 | * Clears out the connection list and kills any connections left. | |
22 | * | |
23 | */ | |
24 | faim_internal void aim_connrst(struct aim_session_t *sess) | |
25 | { | |
26 | faim_mutex_init(&sess->connlistlock); | |
27 | if (sess->connlist) { | |
28 | struct aim_conn_t *cur = sess->connlist, *tmp; | |
29 | ||
30 | while(cur) { | |
31 | tmp = cur->next; | |
32 | aim_conn_close(cur); | |
33 | free(cur); | |
34 | cur = tmp; | |
35 | } | |
36 | } | |
37 | sess->connlist = NULL; | |
38 | return; | |
39 | } | |
40 | ||
41 | /** | |
42 | * aim_conn_getnext - Gets a new connection structure. | |
43 | * @sess: Session | |
44 | * | |
45 | * Allocate a new empty connection structure. | |
46 | * | |
47 | */ | |
48 | faim_internal struct aim_conn_t *aim_conn_getnext(struct aim_session_t *sess) | |
49 | { | |
50 | struct aim_conn_t *newconn, *cur; | |
51 | ||
52 | if (!(newconn = malloc(sizeof(struct aim_conn_t)))) | |
53 | return NULL; | |
54 | ||
55 | memset(newconn, 0, sizeof(struct aim_conn_t)); | |
56 | aim_conn_close(newconn); | |
57 | newconn->next = NULL; | |
58 | ||
59 | faim_mutex_lock(&sess->connlistlock); | |
60 | if (sess->connlist == NULL) | |
61 | sess->connlist = newconn; | |
62 | else { | |
63 | for (cur = sess->connlist; cur->next; cur = cur->next) | |
64 | ; | |
65 | cur->next = newconn; | |
66 | } | |
67 | faim_mutex_unlock(&sess->connlistlock); | |
68 | ||
69 | return newconn; | |
70 | } | |
71 | ||
72 | /** | |
73 | * aim_conn_init - Reset a connection to default values. | |
74 | * @deadconn: Connection to be reset | |
75 | * | |
76 | * Initializes and/or resets a connection structure. | |
77 | * | |
78 | */ | |
79 | static void aim_conn_init(struct aim_conn_t *deadconn) | |
80 | { | |
81 | if (!deadconn) | |
82 | return; | |
83 | ||
84 | deadconn->fd = -1; | |
85 | deadconn->subtype = -1; | |
86 | deadconn->type = -1; | |
87 | deadconn->seqnum = 0; | |
88 | deadconn->lastactivity = 0; | |
89 | deadconn->forcedlatency = 0; | |
90 | deadconn->handlerlist = NULL; | |
91 | deadconn->priv = NULL; | |
92 | faim_mutex_init(&deadconn->active); | |
93 | faim_mutex_init(&deadconn->seqnum_lock); | |
94 | ||
95 | return; | |
96 | } | |
97 | ||
98 | /** | |
99 | * aim_conn_kill - Close and free a connection. | |
100 | * @sess: Session for the connection | |
101 | * @deadconn: Connection to be freed | |
102 | * | |
103 | * Close, clear, and free a connection structure. | |
104 | * | |
105 | */ | |
106 | faim_export void aim_conn_kill(struct aim_session_t *sess, struct aim_conn_t **deadconn) | |
107 | { | |
108 | struct aim_conn_t *cur; | |
109 | ||
110 | if (!deadconn || !*deadconn) | |
111 | return; | |
112 | ||
113 | faim_mutex_lock(&sess->connlistlock); | |
114 | if (sess->connlist == NULL) | |
115 | ; | |
116 | else if (sess->connlist->next == NULL) { | |
117 | if (sess->connlist == *deadconn) | |
118 | sess->connlist = NULL; | |
119 | } else { | |
120 | cur = sess->connlist; | |
121 | while (cur->next) { | |
122 | if (cur->next == *deadconn) { | |
123 | cur->next = cur->next->next; | |
124 | break; | |
125 | } | |
126 | cur = cur->next; | |
127 | } | |
128 | } | |
129 | faim_mutex_unlock(&sess->connlistlock); | |
130 | ||
131 | /* XXX: do we need this for txqueue too? */ | |
132 | aim_rxqueue_cleanbyconn(sess, *deadconn); | |
133 | ||
134 | aim_conn_close(*deadconn); | |
135 | if ((*deadconn)->priv) | |
136 | free((*deadconn)->priv); | |
137 | free(*deadconn); | |
138 | deadconn = NULL; | |
139 | ||
140 | return; | |
141 | } | |
142 | ||
143 | /** | |
144 | * aim_conn_close - Close a connection | |
145 | * @deadconn: Connection to close | |
146 | * | |
147 | * Close (but not free) a connection. | |
148 | * | |
149 | */ | |
150 | faim_export void aim_conn_close(struct aim_conn_t *deadconn) | |
151 | { | |
152 | int typesav = -1, subtypesav = -1; | |
153 | void *privsav = NULL; | |
154 | ||
155 | faim_mutex_destroy(&deadconn->active); | |
156 | faim_mutex_destroy(&deadconn->seqnum_lock); | |
157 | if (deadconn->fd >= 3) | |
158 | close(deadconn->fd); | |
159 | if (deadconn->handlerlist) | |
160 | aim_clearhandlers(deadconn); | |
161 | ||
162 | typesav = deadconn->type; | |
163 | subtypesav = deadconn->subtype; | |
164 | ||
165 | if (deadconn->priv && (deadconn->type != AIM_CONN_TYPE_RENDEZVOUS)) { | |
166 | free(deadconn->priv); | |
167 | deadconn->priv = NULL; | |
168 | } | |
169 | privsav = deadconn->priv; | |
170 | ||
171 | aim_conn_init(deadconn); | |
172 | ||
173 | deadconn->type = typesav; | |
174 | deadconn->subtype = subtypesav; | |
175 | deadconn->priv = privsav; | |
176 | ||
177 | return; | |
178 | } | |
179 | ||
180 | /** | |
181 | * aim_getconn_type - Find a connection of a specific type | |
182 | * @sess: Session to search | |
183 | * @type: Type of connection to look for | |
184 | * | |
185 | * Searches for a connection of the specified type in the | |
186 | * specified session. Returns the first connection of that | |
187 | * type found. | |
188 | * | |
189 | */ | |
190 | faim_internal struct aim_conn_t *aim_getconn_type(struct aim_session_t *sess, | |
191 | int type) | |
192 | { | |
193 | struct aim_conn_t *cur; | |
194 | ||
195 | faim_mutex_lock(&sess->connlistlock); | |
196 | for (cur = sess->connlist; cur; cur = cur->next) { | |
197 | if (cur->type == type) | |
198 | break; | |
199 | } | |
200 | faim_mutex_unlock(&sess->connlistlock); | |
201 | return cur; | |
202 | } | |
203 | ||
204 | /** | |
205 | * aim_proxyconnect - An extrememly quick and dirty SOCKS5 interface. | |
206 | * @sess: Session to connect | |
207 | * @host: Host to connect to | |
208 | * @port: Port to connect to | |
209 | * @statusret: Return value of the connection | |
210 | * | |
211 | * Attempts to connect to the specified host via the configured | |
212 | * proxy settings, if present. If no proxy is configured for | |
213 | * this session, the connection is done directly. | |
214 | * | |
215 | */ | |
216 | static int aim_proxyconnect(struct aim_session_t *sess, | |
217 | char *host, unsigned short port, | |
218 | int *statusret) | |
219 | { | |
220 | int fd = -1; | |
221 | ||
222 | if (strlen(sess->socksproxy.server)) { /* connecting via proxy */ | |
223 | int i; | |
224 | unsigned char buf[512]; | |
225 | struct sockaddr_in sa; | |
226 | struct hostent *hp; | |
227 | char *proxy; | |
228 | unsigned short proxyport = 1080; | |
229 | ||
230 | for(i=0;i<(int)strlen(sess->socksproxy.server);i++) { | |
231 | if (sess->socksproxy.server[i] == ':') { | |
232 | proxyport = atoi(&(sess->socksproxy.server[i+1])); | |
233 | break; | |
234 | } | |
235 | } | |
236 | proxy = (char *)malloc(i+1); | |
237 | strncpy(proxy, sess->socksproxy.server, i); | |
238 | proxy[i] = '\0'; | |
239 | ||
240 | if (!(hp = gethostbyname(proxy))) { | |
241 | printf("proxyconnect: unable to resolve proxy name\n"); | |
242 | *statusret = (h_errno | AIM_CONN_STATUS_RESOLVERR); | |
243 | return -1; | |
244 | } | |
245 | free(proxy); | |
246 | ||
247 | memset(&sa.sin_zero, 0, 8); | |
248 | sa.sin_port = htons(proxyport); | |
249 | memcpy(&sa.sin_addr, hp->h_addr, hp->h_length); | |
250 | sa.sin_family = hp->h_addrtype; | |
251 | ||
252 | fd = socket(hp->h_addrtype, SOCK_STREAM, 0); | |
253 | if (connect(fd, (struct sockaddr *)&sa, sizeof(struct sockaddr_in)) < 0) { | |
254 | printf("proxyconnect: unable to connect to proxy\n"); | |
255 | close(fd); | |
256 | return -1; | |
257 | } | |
258 | ||
259 | i = 0; | |
260 | buf[0] = 0x05; /* SOCKS version 5 */ | |
261 | if (strlen(sess->socksproxy.username)) { | |
262 | buf[1] = 0x02; /* two methods */ | |
263 | buf[2] = 0x00; /* no authentication */ | |
264 | buf[3] = 0x02; /* username/password authentication */ | |
265 | i = 4; | |
266 | } else { | |
267 | buf[1] = 0x01; | |
268 | buf[2] = 0x00; | |
269 | i = 3; | |
270 | } | |
271 | ||
272 | if (write(fd, buf, i) < i) { | |
273 | *statusret = errno; | |
274 | close(fd); | |
275 | return -1; | |
276 | } | |
277 | ||
278 | if (read(fd, buf, 2) < 2) { | |
279 | *statusret = errno; | |
280 | close(fd); | |
281 | return -1; | |
282 | } | |
283 | ||
284 | if ((buf[0] != 0x05) || (buf[1] == 0xff)) { | |
285 | *statusret = EINVAL; | |
286 | close(fd); | |
287 | return -1; | |
288 | } | |
289 | ||
290 | /* check if we're doing username authentication */ | |
291 | if (buf[1] == 0x02) { | |
292 | i = aimutil_put8(buf, 0x01); /* version 1 */ | |
293 | i += aimutil_put8(buf+i, strlen(sess->socksproxy.username)); | |
294 | i += aimutil_putstr(buf+i, sess->socksproxy.username, strlen(sess->socksproxy.username)); | |
295 | i += aimutil_put8(buf+i, strlen(sess->socksproxy.password)); | |
296 | i += aimutil_putstr(buf+i, sess->socksproxy.password, strlen(sess->socksproxy.password)); | |
297 | if (write(fd, buf, i) < i) { | |
298 | *statusret = errno; | |
299 | close(fd); | |
300 | return -1; | |
301 | } | |
302 | if (read(fd, buf, 2) < 2) { | |
303 | *statusret = errno; | |
304 | close(fd); | |
305 | return -1; | |
306 | } | |
307 | if ((buf[0] != 0x01) || (buf[1] != 0x00)) { | |
308 | *statusret = EINVAL; | |
309 | close(fd); | |
310 | return -1; | |
311 | } | |
312 | } | |
313 | ||
314 | i = aimutil_put8(buf, 0x05); | |
315 | i += aimutil_put8(buf+i, 0x01); /* CONNECT */ | |
316 | i += aimutil_put8(buf+i, 0x00); /* reserved */ | |
317 | i += aimutil_put8(buf+i, 0x03); /* address type: host name */ | |
318 | i += aimutil_put8(buf+i, strlen(host)); | |
319 | i += aimutil_putstr(buf+i, host, strlen(host)); | |
320 | i += aimutil_put16(buf+i, port); | |
321 | ||
322 | if (write(fd, buf, i) < i) { | |
323 | *statusret = errno; | |
324 | close(fd); | |
325 | return -1; | |
326 | } | |
327 | if (read(fd, buf, 10) < 10) { | |
328 | *statusret = errno; | |
329 | close(fd); | |
330 | return -1; | |
331 | } | |
332 | if ((buf[0] != 0x05) || (buf[1] != 0x00)) { | |
333 | *statusret = EINVAL; | |
334 | close(fd); | |
335 | return -1; | |
336 | } | |
337 | ||
338 | } else { /* connecting directly */ | |
339 | struct sockaddr_in sa; | |
340 | struct hostent *hp; | |
341 | ||
342 | if (!(hp = gethostbyname(host))) { | |
343 | *statusret = (h_errno | AIM_CONN_STATUS_RESOLVERR); | |
344 | return -1; | |
345 | } | |
346 | ||
347 | memset(&sa.sin_zero, 0, 8); | |
348 | sa.sin_port = htons(port); | |
349 | memcpy(&sa.sin_addr, hp->h_addr, hp->h_length); | |
350 | sa.sin_family = hp->h_addrtype; | |
351 | ||
352 | fd = socket(hp->h_addrtype, SOCK_STREAM, 0); | |
353 | if (connect(fd, (struct sockaddr *)&sa, sizeof(struct sockaddr_in)) < 0) { | |
354 | close(fd); | |
355 | fd = -1; | |
356 | } | |
357 | } | |
358 | return fd; | |
359 | } | |
360 | ||
361 | /** | |
362 | * aim_newconn - Open a new connection | |
363 | * @sess: Session to create connection in | |
364 | * @type: Type of connection to create | |
365 | * @dest: Host to connect to (in "host:port" syntax) | |
366 | * | |
367 | * Opens a new connection to the specified dest host of specified | |
368 | * type, using the proxy settings if available. If @host is %NULL, | |
369 | * the connection is allocated and returned, but no connection | |
370 | * is made. | |
371 | * | |
372 | * FIXME: Return errors in a more sane way. | |
373 | * | |
374 | */ | |
375 | faim_export struct aim_conn_t *aim_newconn(struct aim_session_t *sess, | |
376 | int type, char *dest) | |
377 | { | |
378 | struct aim_conn_t *connstruct; | |
379 | int ret; | |
380 | u_short port = FAIM_LOGIN_PORT; | |
381 | char *host = NULL; | |
382 | int i=0; | |
383 | ||
384 | if ((connstruct=aim_conn_getnext(sess))==NULL) | |
385 | return NULL; | |
386 | ||
387 | faim_mutex_lock(&connstruct->active); | |
388 | ||
389 | connstruct->type = type; | |
390 | ||
391 | if (!dest) { /* just allocate a struct */ | |
392 | connstruct->fd = -1; | |
393 | connstruct->status = 0; | |
394 | faim_mutex_unlock(&connstruct->active); | |
395 | return connstruct; | |
396 | } | |
397 | ||
398 | /* | |
399 | * As of 23 Jul 1999, AOL now sends the port number, preceded by a | |
400 | * colon, in the BOS redirect. This fatally breaks all previous | |
401 | * libfaims. Bad, bad AOL. | |
402 | * | |
403 | * We put this here to catch every case. | |
404 | * | |
405 | */ | |
406 | ||
407 | for(i=0;i<(int)strlen(dest);i++) { | |
408 | if (dest[i] == ':') { | |
409 | port = atoi(&(dest[i+1])); | |
410 | break; | |
411 | } | |
412 | } | |
413 | host = (char *)malloc(i+1); | |
414 | strncpy(host, dest, i); | |
415 | host[i] = '\0'; | |
416 | ||
417 | if ((ret = aim_proxyconnect(sess, host, port, &connstruct->status)) < 0) { | |
418 | connstruct->fd = -1; | |
419 | connstruct->status = (errno | AIM_CONN_STATUS_CONNERR); | |
420 | free(host); | |
421 | faim_mutex_unlock(&connstruct->active); | |
422 | return connstruct; | |
423 | } else | |
424 | connstruct->fd = ret; | |
425 | ||
426 | faim_mutex_unlock(&connstruct->active); | |
427 | ||
428 | free(host); | |
429 | ||
430 | return connstruct; | |
431 | } | |
432 | ||
433 | /** | |
434 | * aim_conngetmaxfd - Return the highest valued file discriptor in session | |
435 | * @sess: Session to search | |
436 | * | |
437 | * Returns the highest valued filed descriptor of all open | |
438 | * connections in @sess. | |
439 | * | |
440 | */ | |
441 | faim_export int aim_conngetmaxfd(struct aim_session_t *sess) | |
442 | { | |
443 | int j = 0; | |
444 | struct aim_conn_t *cur; | |
445 | ||
446 | faim_mutex_lock(&sess->connlistlock); | |
447 | for (cur = sess->connlist; cur; cur = cur->next) { | |
448 | if (cur->fd > j) | |
449 | j = cur->fd; | |
450 | } | |
451 | faim_mutex_unlock(&sess->connlistlock); | |
452 | ||
453 | return j; | |
454 | } | |
455 | ||
456 | /** | |
457 | * aim_countconn - Return the number of open connections in the session | |
458 | * @sess: Session to look at | |
459 | * | |
460 | * Returns the number of number connections in @sess. | |
461 | * | |
462 | */ | |
463 | static int aim_countconn(struct aim_session_t *sess) | |
464 | { | |
465 | int cnt = 0; | |
466 | struct aim_conn_t *cur; | |
467 | ||
468 | faim_mutex_lock(&sess->connlistlock); | |
469 | for (cur = sess->connlist; cur; cur = cur->next) | |
470 | cnt++; | |
471 | faim_mutex_unlock(&sess->connlistlock); | |
472 | ||
473 | return cnt; | |
474 | } | |
475 | ||
476 | /** | |
477 | * aim_conn_in_sess - Predicate to test the precense of a connection in a sess | |
478 | * @sess: Session to look in | |
479 | * @conn: Connection to look for | |
480 | * | |
481 | * Searches @sess for the passed connection. Returns 1 if its present, | |
482 | * zero otherwise. | |
483 | * | |
484 | */ | |
485 | faim_export int aim_conn_in_sess(struct aim_session_t *sess, struct aim_conn_t *conn) | |
486 | { | |
487 | struct aim_conn_t *cur; | |
488 | ||
489 | faim_mutex_lock(&sess->connlistlock); | |
490 | for(cur = sess->connlist; cur; cur = cur->next) | |
491 | if(cur == conn) { | |
492 | faim_mutex_unlock(&sess->connlistlock); | |
493 | return 1; | |
494 | } | |
495 | faim_mutex_unlock(&sess->connlistlock); | |
496 | return 0; | |
497 | } | |
498 | ||
499 | /** | |
500 | * aim_select - Wait for a socket with data or timeout | |
501 | * @sess: Session to wait on | |
502 | * @timeout: How long to wait | |
503 | * @status: Return status | |
504 | * | |
505 | * Waits for a socket with data or for timeout, whichever comes first. | |
506 | * See select(). | |
507 | * | |
508 | * Return codes in *status: | |
509 | * -1 error in select() (%NULL returned) | |
510 | * 0 no events pending (%NULL returned) | |
511 | * 1 outgoing data pending (%NULL returned) | |
512 | * 2 incoming data pending (connection with pending data returned) | |
513 | * | |
514 | * XXX: we could probably stand to do a little courser locking here. | |
515 | * | |
516 | */ | |
517 | faim_export struct aim_conn_t *aim_select(struct aim_session_t *sess, | |
518 | struct timeval *timeout, int *status) | |
519 | { | |
520 | struct aim_conn_t *cur; | |
521 | fd_set fds; | |
522 | int maxfd = 0; | |
523 | int i; | |
524 | ||
525 | faim_mutex_lock(&sess->connlistlock); | |
526 | if (sess->connlist == NULL) { | |
527 | faim_mutex_unlock(&sess->connlistlock); | |
528 | *status = -1; | |
529 | return NULL; | |
530 | } | |
531 | faim_mutex_unlock(&sess->connlistlock); | |
532 | ||
533 | /* | |
534 | * If we have data waiting to be sent, return immediatly | |
535 | */ | |
536 | if (sess->queue_outgoing != NULL) { | |
537 | *status = 1; | |
538 | return NULL; | |
539 | } | |
540 | ||
541 | FD_ZERO(&fds); | |
542 | maxfd = 0; | |
543 | ||
544 | faim_mutex_lock(&sess->connlistlock); | |
545 | for (cur = sess->connlist; cur; cur = cur->next) { | |
546 | FD_SET(cur->fd, &fds); | |
547 | if (cur->fd > maxfd) | |
548 | maxfd = cur->fd; | |
549 | } | |
550 | faim_mutex_unlock(&sess->connlistlock); | |
551 | ||
552 | if ((i = select(maxfd+1, &fds, NULL, NULL, timeout))>=1) { | |
553 | faim_mutex_lock(&sess->connlistlock); | |
554 | for (cur = sess->connlist; cur; cur = cur->next) { | |
555 | if (FD_ISSET(cur->fd, &fds)) { | |
556 | *status = 2; | |
557 | faim_mutex_unlock(&sess->connlistlock); | |
558 | return cur; | |
559 | } | |
560 | } | |
561 | *status = 0; /* shouldn't happen */ | |
562 | } else if ((i == -1) && (errno == EINTR)) /* treat interrupts as a timeout */ | |
563 | *status = 0; | |
564 | else | |
565 | *status = i; /* can be 0 or -1 */ | |
566 | ||
567 | faim_mutex_unlock(&sess->connlistlock); | |
568 | return NULL; /* no waiting or error, return */ | |
569 | } | |
570 | ||
571 | /** | |
572 | * aim_conn_isready - Test if a connection is marked ready | |
573 | * @conn: Connection to test | |
574 | * | |
575 | * Returns true if the connection is ready, false otherwise. | |
576 | * Returns -1 if the connection is invalid. | |
577 | * | |
578 | * XXX: This is deprecated. | |
579 | * | |
580 | */ | |
581 | faim_export int aim_conn_isready(struct aim_conn_t *conn) | |
582 | { | |
583 | if (conn) | |
584 | return (conn->status & 0x0001); | |
585 | return -1; | |
586 | } | |
587 | ||
588 | /** | |
589 | * aim_conn_setstatus - Set the status of a connection | |
590 | * @conn: Connection | |
591 | * @status: New status | |
592 | * | |
593 | * @newstatus is %XOR'd with the previous value of the connection | |
594 | * status and returned. Returns -1 if the connection is invalid. | |
595 | * | |
596 | */ | |
597 | faim_export int aim_conn_setstatus(struct aim_conn_t *conn, int status) | |
598 | { | |
599 | int val; | |
600 | ||
601 | if (!conn) | |
602 | return -1; | |
603 | ||
604 | faim_mutex_lock(&conn->active); | |
605 | val = conn->status ^= status; | |
606 | faim_mutex_unlock(&conn->active); | |
607 | return val; | |
608 | } | |
609 | ||
610 | /** | |
611 | * aim_conn_setlatency - Set a forced latency value for connection | |
612 | * @conn: Conn to set latency for | |
613 | * @newval: Number of seconds to force between transmits | |
614 | * | |
615 | * Causes @newval seconds to be spent between transmits on a connection. | |
616 | * | |
617 | * This is my lame attempt at overcoming not understanding the rate | |
618 | * limiting. | |
619 | * | |
620 | * XXX: This should really be replaced with something that scales and | |
621 | * backs off like the real rate limiting does. | |
622 | * | |
623 | */ | |
624 | faim_export int aim_conn_setlatency(struct aim_conn_t *conn, int newval) | |
625 | { | |
626 | if (!conn) | |
627 | return -1; | |
628 | ||
629 | faim_mutex_lock(&conn->active); | |
630 | conn->forcedlatency = newval; | |
631 | conn->lastactivity = 0; /* reset this just to make sure */ | |
632 | faim_mutex_unlock(&conn->active); | |
633 | ||
634 | return 0; | |
635 | } | |
636 | ||
637 | /** | |
638 | * aim_setupproxy - Configure a proxy for this session | |
639 | * @sess: Session to set proxy for | |
640 | * @server: SOCKS server | |
641 | * @username: SOCKS username | |
642 | * @password: SOCKS password | |
643 | * | |
644 | * Call this with your SOCKS5 proxy server parameters before | |
645 | * the first call to aim_newconn(). If called with all %NULL | |
646 | * args, it will clear out a previously set proxy. | |
647 | * | |
648 | * Set username and password to %NULL if not applicable. | |
649 | * | |
650 | */ | |
651 | faim_export void aim_setupproxy(struct aim_session_t *sess, char *server, char *username, char *password) | |
652 | { | |
653 | /* clear out the proxy info */ | |
654 | if (!server || !strlen(server)) { | |
655 | memset(sess->socksproxy.server, 0, sizeof(sess->socksproxy.server)); | |
656 | memset(sess->socksproxy.username, 0, sizeof(sess->socksproxy.username)); | |
657 | memset(sess->socksproxy.password, 0, sizeof(sess->socksproxy.password)); | |
658 | return; | |
659 | } | |
660 | ||
661 | strncpy(sess->socksproxy.server, server, sizeof(sess->socksproxy.server)); | |
662 | if (username && strlen(username)) | |
663 | strncpy(sess->socksproxy.username, username, sizeof(sess->socksproxy.username)); | |
664 | if (password && strlen(password)) | |
665 | strncpy(sess->socksproxy.password, password, sizeof(sess->socksproxy.password)); | |
666 | return; | |
667 | } | |
668 | ||
669 | /** | |
670 | * aim_session_init - Initializes a session structure | |
671 | * @sess: Session to initialize | |
672 | * | |
673 | * Sets up the initial values for a session. | |
674 | * | |
675 | */ | |
676 | faim_export void aim_session_init(struct aim_session_t *sess) | |
677 | { | |
678 | if (!sess) | |
679 | return; | |
680 | ||
681 | memset(sess, 0, sizeof(struct aim_session_t)); | |
682 | aim_connrst(sess); | |
683 | sess->queue_outgoing = NULL; | |
684 | sess->queue_incoming = NULL; | |
685 | sess->pendingjoin = NULL; | |
686 | aim_initsnachash(sess); | |
687 | sess->snac_nextid = 0x00000001; | |
688 | sess->snaclogin = 1; /* default to yes, oh gods yes. */ | |
689 | ||
690 | /* | |
691 | * This must always be set. Default to the queue-based | |
692 | * version for back-compatibility. | |
693 | */ | |
694 | sess->tx_enqueue = &aim_tx_enqueue__queuebased; | |
695 | ||
696 | return; | |
697 | } |