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