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Commit | Line | Data |
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1 | /* | |
2 | * aim_chat.c | |
3 | * | |
4 | * Routines for the Chat service. | |
5 | * | |
6 | */ | |
7 | ||
8 | #define FAIM_INTERNAL | |
9 | #include <aim.h> | |
10 | ||
11 | faim_export char *aim_chat_getname(aim_conn_t *conn) | |
12 | { | |
13 | ||
14 | if (!conn) | |
15 | return NULL; | |
16 | ||
17 | if (conn->type != AIM_CONN_TYPE_CHAT) | |
18 | return NULL; | |
19 | ||
20 | return (char *)conn->priv; /* yuck ! */ | |
21 | } | |
22 | ||
23 | faim_export aim_conn_t *aim_chat_getconn(aim_session_t *sess, const char *name) | |
24 | { | |
25 | aim_conn_t *cur; | |
26 | ||
27 | faim_mutex_lock(&sess->connlistlock); | |
28 | for (cur = sess->connlist; cur; cur = cur->next) { | |
29 | if (cur->type != AIM_CONN_TYPE_CHAT) | |
30 | continue; | |
31 | if (!cur->priv) { | |
32 | faimdprintf(sess, 0, "faim: chat: chat connection with no name! (fd = %d)\n", cur->fd); | |
33 | continue; | |
34 | } | |
35 | if (strcmp((char *)cur->priv, name) == 0) | |
36 | break; | |
37 | } | |
38 | faim_mutex_unlock(&sess->connlistlock); | |
39 | ||
40 | return cur; | |
41 | } | |
42 | ||
43 | faim_export int aim_chat_attachname(aim_conn_t *conn, const char *roomname) | |
44 | { | |
45 | ||
46 | if (!conn || !roomname) | |
47 | return -EINVAL; | |
48 | ||
49 | if (conn->priv) | |
50 | free(conn->priv); | |
51 | ||
52 | conn->priv = strdup(roomname); | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
57 | /* | |
58 | * Send a Chat Message. | |
59 | * | |
60 | * Possible flags: | |
61 | * AIM_CHATFLAGS_NOREFLECT -- Unset the flag that requests messages | |
62 | * should be sent to their sender. | |
63 | * AIM_CHATFLAGS_AWAY -- Mark the message as an autoresponse | |
64 | * (Note that WinAIM does not honor this, | |
65 | * and displays the message as normal.) | |
66 | * | |
67 | * XXX convert this to use tlvchains | |
68 | */ | |
69 | faim_export int aim_chat_send_im(aim_session_t *sess, aim_conn_t *conn, fu16_t flags, const char *msg, int msglen) | |
70 | { | |
71 | int i; | |
72 | aim_frame_t *fr; | |
73 | aim_msgcookie_t *cookie; | |
74 | aim_snacid_t snacid; | |
75 | fu8_t ckstr[8]; | |
76 | aim_tlvlist_t *otl = NULL, *itl = NULL; | |
77 | ||
78 | if (!sess || !conn || !msg || (msglen <= 0)) | |
79 | return 0; | |
80 | ||
81 | if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152))) | |
82 | return -ENOMEM; | |
83 | ||
84 | snacid = aim_cachesnac(sess, 0x000e, 0x0005, 0x0000, NULL, 0); | |
85 | aim_putsnac(&fr->data, 0x000e, 0x0005, 0x0000, snacid); | |
86 | ||
87 | ||
88 | /* | |
89 | * Generate a random message cookie. | |
90 | * | |
91 | * XXX mkcookie should generate the cookie and cache it in one | |
92 | * operation to preserve uniqueness. | |
93 | * | |
94 | */ | |
95 | for (i = 0; i < sizeof(ckstr); i++) | |
96 | aimutil_put8(ckstr+i, (fu8_t) rand()); | |
97 | ||
98 | cookie = aim_mkcookie(ckstr, AIM_COOKIETYPE_CHAT, NULL); | |
99 | cookie->data = strdup(conn->priv); /* chat hack dependent */ | |
100 | ||
101 | aim_cachecookie(sess, cookie); | |
102 | ||
103 | for (i = 0; i < sizeof(ckstr); i++) | |
104 | aimbs_put8(&fr->data, ckstr[i]); | |
105 | ||
106 | ||
107 | /* | |
108 | * Channel ID. | |
109 | */ | |
110 | aimbs_put16(&fr->data, 0x0003); | |
111 | ||
112 | ||
113 | /* | |
114 | * Type 1: Flag meaning this message is destined to the room. | |
115 | */ | |
116 | aim_addtlvtochain_noval(&otl, 0x0001); | |
117 | ||
118 | /* | |
119 | * Type 6: Reflect | |
120 | */ | |
121 | if (!(flags & AIM_CHATFLAGS_NOREFLECT)) | |
122 | aim_addtlvtochain_noval(&otl, 0x0006); | |
123 | ||
124 | /* | |
125 | * Type 7: Autoresponse | |
126 | */ | |
127 | if (flags & AIM_CHATFLAGS_AWAY) | |
128 | aim_addtlvtochain_noval(&otl, 0x0007); | |
129 | ||
130 | /* | |
131 | * SubTLV: Type 1: Message | |
132 | */ | |
133 | aim_addtlvtochain_raw(&itl, 0x0001, strlen(msg), msg); | |
134 | ||
135 | /* | |
136 | * Type 5: Message block. Contains more TLVs. | |
137 | * | |
138 | * This could include other information... We just | |
139 | * put in a message TLV however. | |
140 | * | |
141 | */ | |
142 | aim_addtlvtochain_frozentlvlist(&otl, 0x0005, &itl); | |
143 | ||
144 | aim_writetlvchain(&fr->data, &otl); | |
145 | ||
146 | aim_freetlvchain(&itl); | |
147 | aim_freetlvchain(&otl); | |
148 | ||
149 | aim_tx_enqueue(sess, fr); | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static int aim_addtlvtochain_chatroom(aim_tlvlist_t **list, fu16_t type, fu16_t exchange, const char *roomname, fu16_t instance) | |
155 | { | |
156 | fu8_t *buf; | |
157 | int buflen; | |
158 | aim_bstream_t bs; | |
159 | ||
160 | buflen = 2 + 1 + strlen(roomname) + 2; | |
161 | ||
162 | if (!(buf = malloc(buflen))) | |
163 | return 0; | |
164 | ||
165 | aim_bstream_init(&bs, buf, buflen); | |
166 | ||
167 | aimbs_put16(&bs, exchange); | |
168 | aimbs_put8(&bs, strlen(roomname)); | |
169 | aimbs_putraw(&bs, roomname, strlen(roomname)); | |
170 | aimbs_put16(&bs, instance); | |
171 | ||
172 | aim_addtlvtochain_raw(list, type, aim_bstream_curpos(&bs), buf); | |
173 | ||
174 | free(buf); | |
175 | ||
176 | return 0; | |
177 | } | |
178 | ||
179 | /* | |
180 | * Join a room of name roomname. This is the first step to joining an | |
181 | * already created room. It's basically a Service Request for | |
182 | * family 0x000e, with a little added on to specify the exchange and room | |
183 | * name. | |
184 | */ | |
185 | faim_export int aim_chat_join(aim_session_t *sess, aim_conn_t *conn, fu16_t exchange, const char *roomname, fu16_t instance) | |
186 | { | |
187 | aim_frame_t *fr; | |
188 | aim_snacid_t snacid; | |
189 | aim_tlvlist_t *tl = NULL; | |
190 | ||
191 | if (!sess || !conn || !roomname || !strlen(roomname)) | |
192 | return -EINVAL; | |
193 | ||
194 | if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+9+strlen(roomname)+2))) | |
195 | return -ENOMEM; | |
196 | ||
197 | ||
198 | snacid = aim_cachesnac(sess, 0x0001, 0x0004, 0x0000, roomname, strlen(roomname)+1); | |
199 | aim_putsnac(&fr->data, 0x0001, 0x0004, 0x0000, snacid); | |
200 | ||
201 | /* | |
202 | * Requesting service chat (0x000e) | |
203 | */ | |
204 | aimbs_put16(&fr->data, 0x000e); | |
205 | ||
206 | aim_addtlvtochain_chatroom(&tl, 0x0001, exchange, roomname, instance); | |
207 | aim_writetlvchain(&fr->data, &tl); | |
208 | aim_freetlvchain(&tl); | |
209 | ||
210 | /* | |
211 | * Chat hack. | |
212 | * | |
213 | * XXX: A problem occurs here if we request a channel | |
214 | * join but it fails....pendingjoin will be nonnull | |
215 | * even though the channel is never going to get a | |
216 | * redirect! | |
217 | * | |
218 | */ | |
219 | sess->pendingjoin = strdup(roomname); | |
220 | sess->pendingjoinexchange = exchange; | |
221 | ||
222 | aim_tx_enqueue(sess, fr); | |
223 | ||
224 | return 0; | |
225 | } | |
226 | ||
227 | faim_internal int aim_chat_readroominfo(aim_bstream_t *bs, struct aim_chat_roominfo *outinfo) | |
228 | { | |
229 | int namelen; | |
230 | ||
231 | if (!bs || !outinfo) | |
232 | return 0; | |
233 | ||
234 | outinfo->exchange = aimbs_get16(bs); | |
235 | namelen = aimbs_get8(bs); | |
236 | outinfo->name = aimbs_getstr(bs, namelen); | |
237 | outinfo->instance = aimbs_get16(bs); | |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
242 | faim_export int aim_chat_clientready(aim_session_t *sess, aim_conn_t *conn) | |
243 | { | |
244 | aim_frame_t *fr; | |
245 | aim_snacid_t snacid; | |
246 | ||
247 | if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 0x20))) | |
248 | return -ENOMEM; | |
249 | ||
250 | snacid = aim_cachesnac(sess, 0x0001, 0x0002, 0x0000, NULL, 0); | |
251 | aim_putsnac(&fr->data, 0x0001, 0x0002, 0x0000, snacid); | |
252 | ||
253 | aimbs_put16(&fr->data, 0x000e); | |
254 | aimbs_put16(&fr->data, 0x0001); | |
255 | ||
256 | aimbs_put16(&fr->data, 0x0004); | |
257 | aimbs_put16(&fr->data, 0x0001); | |
258 | ||
259 | aimbs_put16(&fr->data, 0x0001); | |
260 | aimbs_put16(&fr->data, 0x0003); | |
261 | ||
262 | aimbs_put16(&fr->data, 0x0004); | |
263 | aimbs_put16(&fr->data, 0x0686); | |
264 | ||
265 | aim_tx_enqueue(sess, fr); | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
270 | faim_export int aim_chat_leaveroom(aim_session_t *sess, const char *name) | |
271 | { | |
272 | aim_conn_t *conn; | |
273 | ||
274 | if (!(conn = aim_chat_getconn(sess, name))) | |
275 | return -ENOENT; | |
276 | ||
277 | aim_conn_close(conn); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | /* | |
283 | * conn must be a BOS connection! | |
284 | */ | |
285 | faim_export int aim_chat_invite(aim_session_t *sess, aim_conn_t *conn, const char *sn, const char *msg, fu16_t exchange, const char *roomname, fu16_t instance) | |
286 | { | |
287 | int i; | |
288 | aim_frame_t *fr; | |
289 | aim_msgcookie_t *cookie; | |
290 | struct aim_invite_priv *priv; | |
291 | fu8_t ckstr[8]; | |
292 | aim_snacid_t snacid; | |
293 | aim_tlvlist_t *otl = NULL, *itl = NULL; | |
294 | fu8_t *hdr; | |
295 | int hdrlen; | |
296 | aim_bstream_t hdrbs; | |
297 | ||
298 | if (!sess || !conn || !sn || !msg || !roomname) | |
299 | return -EINVAL; | |
300 | ||
301 | if (conn->type != AIM_CONN_TYPE_BOS) | |
302 | return -EINVAL; | |
303 | ||
304 | if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152+strlen(sn)+strlen(roomname)+strlen(msg)))) | |
305 | return -ENOMEM; | |
306 | ||
307 | snacid = aim_cachesnac(sess, 0x0004, 0x0006, 0x0000, sn, strlen(sn)+1); | |
308 | aim_putsnac(&fr->data, 0x0004, 0x0006, 0x0000, snacid); | |
309 | ||
310 | ||
311 | /* | |
312 | * Cookie | |
313 | */ | |
314 | for (i = 0; i < sizeof(ckstr); i++) | |
315 | aimutil_put8(ckstr, (fu8_t) rand()); | |
316 | ||
317 | /* XXX should be uncached by an unwritten 'invite accept' handler */ | |
318 | if ((priv = malloc(sizeof(struct aim_invite_priv)))) { | |
319 | priv->sn = strdup(sn); | |
320 | priv->roomname = strdup(roomname); | |
321 | priv->exchange = exchange; | |
322 | priv->instance = instance; | |
323 | } | |
324 | ||
325 | if ((cookie = aim_mkcookie(ckstr, AIM_COOKIETYPE_INVITE, priv))) | |
326 | aim_cachecookie(sess, cookie); | |
327 | else | |
328 | free(priv); | |
329 | ||
330 | for (i = 0; i < sizeof(ckstr); i++) | |
331 | aimbs_put8(&fr->data, ckstr[i]); | |
332 | ||
333 | ||
334 | /* | |
335 | * Channel (2) | |
336 | */ | |
337 | aimbs_put16(&fr->data, 0x0002); | |
338 | ||
339 | /* | |
340 | * Dest sn | |
341 | */ | |
342 | aimbs_put8(&fr->data, strlen(sn)); | |
343 | aimbs_putraw(&fr->data, sn, strlen(sn)); | |
344 | ||
345 | /* | |
346 | * TLV t(0005) | |
347 | * | |
348 | * Everything else is inside this TLV. | |
349 | * | |
350 | * Sigh. AOL was rather inconsistent right here. So we have | |
351 | * to play some minor tricks. Right inside the type 5 is some | |
352 | * raw data, followed by a series of TLVs. | |
353 | * | |
354 | */ | |
355 | hdrlen = 2+8+16+6+4+4+strlen(msg)+4+2+1+strlen(roomname)+2; | |
356 | hdr = malloc(hdrlen); | |
357 | aim_bstream_init(&hdrbs, hdr, hdrlen); | |
358 | ||
359 | aimbs_put16(&hdrbs, 0x0000); /* Unknown! */ | |
360 | aimbs_putraw(&hdrbs, ckstr, sizeof(ckstr)); /* I think... */ | |
361 | aim_putcap(&hdrbs, AIM_CAPS_CHAT); | |
362 | ||
363 | aim_addtlvtochain16(&itl, 0x000a, 0x0001); | |
364 | aim_addtlvtochain_noval(&itl, 0x000f); | |
365 | aim_addtlvtochain_raw(&itl, 0x000c, strlen(msg), msg); | |
366 | aim_addtlvtochain_chatroom(&itl, 0x2711, exchange, roomname, instance); | |
367 | aim_writetlvchain(&hdrbs, &itl); | |
368 | ||
369 | aim_addtlvtochain_raw(&otl, 0x0005, aim_bstream_curpos(&hdrbs), hdr); | |
370 | ||
371 | aim_writetlvchain(&fr->data, &otl); | |
372 | ||
373 | free(hdr); | |
374 | aim_freetlvchain(&itl); | |
375 | aim_freetlvchain(&otl); | |
376 | ||
377 | aim_tx_enqueue(sess, fr); | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | /* | |
383 | * General room information. Lots of stuff. | |
384 | * | |
385 | * Values I know are in here but I havent attached | |
386 | * them to any of the 'Unknown's: | |
387 | * - Language (English) | |
388 | * | |
389 | * SNAC 000e/0002 | |
390 | */ | |
391 | static int infoupdate(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) | |
392 | { | |
393 | struct aim_userinfo_s *userinfo = NULL; | |
394 | aim_rxcallback_t userfunc; | |
395 | int ret = 0; | |
396 | int usercount = 0; | |
397 | fu8_t detaillevel = 0; | |
398 | char *roomname = NULL; | |
399 | struct aim_chat_roominfo roominfo; | |
400 | fu16_t tlvcount = 0; | |
401 | aim_tlvlist_t *tlvlist; | |
402 | char *roomdesc = NULL; | |
403 | fu16_t unknown_c9 = 0; | |
404 | fu32_t creationtime = 0; | |
405 | fu16_t maxmsglen = 0, maxvisiblemsglen = 0; | |
406 | fu16_t unknown_d2 = 0, unknown_d5 = 0; | |
407 | ||
408 | aim_chat_readroominfo(bs, &roominfo); | |
409 | ||
410 | detaillevel = aimbs_get8(bs); | |
411 | ||
412 | if (detaillevel != 0x02) { | |
413 | faimdprintf(sess, 0, "faim: chat_roomupdateinfo: detail level %d not supported\n", detaillevel); | |
414 | return 1; | |
415 | } | |
416 | ||
417 | tlvcount = aimbs_get16(bs); | |
418 | ||
419 | /* | |
420 | * Everything else are TLVs. | |
421 | */ | |
422 | tlvlist = aim_readtlvchain(bs); | |
423 | ||
424 | /* | |
425 | * TLV type 0x006a is the room name in Human Readable Form. | |
426 | */ | |
427 | if (aim_gettlv(tlvlist, 0x006a, 1)) | |
428 | roomname = aim_gettlv_str(tlvlist, 0x006a, 1); | |
429 | ||
430 | /* | |
431 | * Type 0x006f: Number of occupants. | |
432 | */ | |
433 | if (aim_gettlv(tlvlist, 0x006f, 1)) | |
434 | usercount = aim_gettlv16(tlvlist, 0x006f, 1); | |
435 | ||
436 | /* | |
437 | * Type 0x0073: Occupant list. | |
438 | */ | |
439 | if (aim_gettlv(tlvlist, 0x0073, 1)) { | |
440 | int curoccupant = 0; | |
441 | aim_tlv_t *tmptlv; | |
442 | aim_bstream_t occbs; | |
443 | ||
444 | tmptlv = aim_gettlv(tlvlist, 0x0073, 1); | |
445 | ||
446 | /* Allocate enough userinfo structs for all occupants */ | |
447 | userinfo = calloc(usercount, sizeof(struct aim_userinfo_s)); | |
448 | ||
449 | aim_bstream_init(&occbs, tmptlv->value, tmptlv->length); | |
450 | ||
451 | while (curoccupant < usercount) | |
452 | aim_extractuserinfo(sess, &occbs, &userinfo[curoccupant++]); | |
453 | } | |
454 | ||
455 | /* | |
456 | * Type 0x00c9: Unknown. (2 bytes) | |
457 | */ | |
458 | if (aim_gettlv(tlvlist, 0x00c9, 1)) | |
459 | unknown_c9 = aim_gettlv16(tlvlist, 0x00c9, 1); | |
460 | ||
461 | /* | |
462 | * Type 0x00ca: Creation time (4 bytes) | |
463 | */ | |
464 | if (aim_gettlv(tlvlist, 0x00ca, 1)) | |
465 | creationtime = aim_gettlv32(tlvlist, 0x00ca, 1); | |
466 | ||
467 | /* | |
468 | * Type 0x00d1: Maximum Message Length | |
469 | */ | |
470 | if (aim_gettlv(tlvlist, 0x00d1, 1)) | |
471 | maxmsglen = aim_gettlv16(tlvlist, 0x00d1, 1); | |
472 | ||
473 | /* | |
474 | * Type 0x00d2: Unknown. (2 bytes) | |
475 | */ | |
476 | if (aim_gettlv(tlvlist, 0x00d2, 1)) | |
477 | unknown_d2 = aim_gettlv16(tlvlist, 0x00d2, 1); | |
478 | ||
479 | /* | |
480 | * Type 0x00d3: Room Description | |
481 | */ | |
482 | if (aim_gettlv(tlvlist, 0x00d3, 1)) | |
483 | roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1); | |
484 | ||
485 | /* | |
486 | * Type 0x000d4: Unknown (flag only) | |
487 | */ | |
488 | if (aim_gettlv(tlvlist, 0x000d4, 1)) | |
489 | ; | |
490 | ||
491 | /* | |
492 | * Type 0x00d5: Unknown. (1 byte) | |
493 | */ | |
494 | if (aim_gettlv(tlvlist, 0x00d5, 1)) | |
495 | unknown_d5 = aim_gettlv8(tlvlist, 0x00d5, 1); | |
496 | ||
497 | ||
498 | /* | |
499 | * Type 0x00d6: Encoding 1 ("us-ascii") | |
500 | */ | |
501 | if (aim_gettlv(tlvlist, 0x000d6, 1)) | |
502 | ; | |
503 | ||
504 | /* | |
505 | * Type 0x00d7: Language 1 ("en") | |
506 | */ | |
507 | if (aim_gettlv(tlvlist, 0x000d7, 1)) | |
508 | ; | |
509 | ||
510 | /* | |
511 | * Type 0x00d8: Encoding 2 ("us-ascii") | |
512 | */ | |
513 | if (aim_gettlv(tlvlist, 0x000d8, 1)) | |
514 | ; | |
515 | ||
516 | /* | |
517 | * Type 0x00d9: Language 2 ("en") | |
518 | */ | |
519 | if (aim_gettlv(tlvlist, 0x000d9, 1)) | |
520 | ; | |
521 | ||
522 | /* | |
523 | * Type 0x00da: Maximum visible message length | |
524 | */ | |
525 | if (aim_gettlv(tlvlist, 0x000da, 1)) | |
526 | maxvisiblemsglen = aim_gettlv16(tlvlist, 0x00da, 1); | |
527 | ||
528 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) { | |
529 | ret = userfunc(sess, | |
530 | rx, | |
531 | &roominfo, | |
532 | roomname, | |
533 | usercount, | |
534 | userinfo, | |
535 | roomdesc, | |
536 | unknown_c9, | |
537 | creationtime, | |
538 | maxmsglen, | |
539 | unknown_d2, | |
540 | unknown_d5, | |
541 | maxvisiblemsglen); | |
542 | } | |
543 | ||
544 | free(roominfo.name); | |
545 | free(userinfo); | |
546 | free(roomname); | |
547 | free(roomdesc); | |
548 | aim_freetlvchain(&tlvlist); | |
549 | ||
550 | return ret; | |
551 | } | |
552 | ||
553 | static int userlistchange(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) | |
554 | { | |
555 | struct aim_userinfo_s *userinfo = NULL; | |
556 | aim_rxcallback_t userfunc; | |
557 | int curcount = 0, ret = 0; | |
558 | ||
559 | while (aim_bstream_empty(bs)) { | |
560 | curcount++; | |
561 | userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s)); | |
562 | aim_extractuserinfo(sess, bs, &userinfo[curcount-1]); | |
563 | } | |
564 | ||
565 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) | |
566 | ret = userfunc(sess, rx, curcount, userinfo); | |
567 | ||
568 | free(userinfo); | |
569 | ||
570 | return ret; | |
571 | } | |
572 | ||
573 | /* | |
574 | * We could probably include this in the normal ICBM parsing | |
575 | * code as channel 0x0003, however, since only the start | |
576 | * would be the same, we might as well do it here. | |
577 | * | |
578 | * General outline of this SNAC: | |
579 | * snac | |
580 | * cookie | |
581 | * channel id | |
582 | * tlvlist | |
583 | * unknown | |
584 | * source user info | |
585 | * name | |
586 | * evility | |
587 | * userinfo tlvs | |
588 | * online time | |
589 | * etc | |
590 | * message metatlv | |
591 | * message tlv | |
592 | * message string | |
593 | * possibly others | |
594 | * | |
595 | */ | |
596 | static int incomingmsg(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) | |
597 | { | |
598 | struct aim_userinfo_s userinfo; | |
599 | aim_rxcallback_t userfunc; | |
600 | int ret = 0; | |
601 | fu8_t *cookie; | |
602 | fu16_t channel; | |
603 | aim_tlvlist_t *otl; | |
604 | char *msg = NULL; | |
605 | aim_msgcookie_t *ck; | |
606 | ||
607 | memset(&userinfo, 0, sizeof(struct aim_userinfo_s)); | |
608 | ||
609 | /* | |
610 | * ICBM Cookie. Uncache it. | |
611 | */ | |
612 | cookie = aimbs_getraw(bs, 8); | |
613 | ||
614 | if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) { | |
615 | free(ck->data); | |
616 | free(ck); | |
617 | } | |
618 | ||
619 | /* | |
620 | * Channel ID | |
621 | * | |
622 | * Channels 1 and 2 are implemented in the normal ICBM | |
623 | * parser. | |
624 | * | |
625 | * We only do channel 3 here. | |
626 | * | |
627 | */ | |
628 | channel = aimbs_get16(bs); | |
629 | ||
630 | if (channel != 0x0003) { | |
631 | faimdprintf(sess, 0, "faim: chat_incoming: unknown channel! (0x%04x)\n", channel); | |
632 | return 0; | |
633 | } | |
634 | ||
635 | /* | |
636 | * Start parsing TLVs right away. | |
637 | */ | |
638 | otl = aim_readtlvchain(bs); | |
639 | ||
640 | /* | |
641 | * Type 0x0003: Source User Information | |
642 | */ | |
643 | if (aim_gettlv(otl, 0x0003, 1)) { | |
644 | aim_tlv_t *userinfotlv; | |
645 | aim_bstream_t tbs; | |
646 | ||
647 | userinfotlv = aim_gettlv(otl, 0x0003, 1); | |
648 | ||
649 | aim_bstream_init(&tbs, userinfotlv->value, userinfotlv->length); | |
650 | aim_extractuserinfo(sess, &tbs, &userinfo); | |
651 | } | |
652 | ||
653 | /* | |
654 | * Type 0x0001: If present, it means it was a message to the | |
655 | * room (as opposed to a whisper). | |
656 | */ | |
657 | if (aim_gettlv(otl, 0x0001, 1)) | |
658 | ; | |
659 | ||
660 | /* | |
661 | * Type 0x0005: Message Block. Conains more TLVs. | |
662 | */ | |
663 | if (aim_gettlv(otl, 0x0005, 1)) { | |
664 | aim_tlvlist_t *itl; | |
665 | aim_tlv_t *msgblock; | |
666 | aim_bstream_t tbs; | |
667 | ||
668 | msgblock = aim_gettlv(otl, 0x0005, 1); | |
669 | aim_bstream_init(&tbs, msgblock->value, msgblock->length); | |
670 | itl = aim_readtlvchain(&tbs); | |
671 | ||
672 | /* | |
673 | * Type 0x0001: Message. | |
674 | */ | |
675 | if (aim_gettlv(itl, 0x0001, 1)) | |
676 | msg = aim_gettlv_str(itl, 0x0001, 1); | |
677 | ||
678 | aim_freetlvchain(&itl); | |
679 | } | |
680 | ||
681 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) | |
682 | ret = userfunc(sess, rx, &userinfo, msg); | |
683 | ||
684 | free(cookie); | |
685 | free(msg); | |
686 | aim_freetlvchain(&otl); | |
687 | ||
688 | return ret; | |
689 | } | |
690 | ||
691 | static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) | |
692 | { | |
693 | ||
694 | if (snac->subtype == 0x0002) | |
695 | return infoupdate(sess, mod, rx, snac, bs); | |
696 | else if ((snac->subtype == 0x0003) || (snac->subtype == 0x0004)) | |
697 | return userlistchange(sess, mod, rx, snac, bs); | |
698 | else if (snac->subtype == 0x0006) | |
699 | return incomingmsg(sess, mod, rx, snac, bs); | |
700 | ||
701 | return 0; | |
702 | } | |
703 | ||
704 | faim_internal int chat_modfirst(aim_session_t *sess, aim_module_t *mod) | |
705 | { | |
706 | ||
707 | mod->family = 0x000e; | |
708 | mod->version = 0x0000; | |
709 | mod->flags = 0; | |
710 | strncpy(mod->name, "chat", sizeof(mod->name)); | |
711 | mod->snachandler = snachandler; | |
712 | ||
713 | return 0; | |
714 | } | |
715 | ||
716 |