]>
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(struct aim_conn_t *conn) | |
12 | { | |
13 | if (!conn) | |
14 | return NULL; | |
15 | if (conn->type != AIM_CONN_TYPE_CHAT) | |
16 | return NULL; | |
17 | ||
18 | return (char *)conn->priv; /* yuck ! */ | |
19 | } | |
20 | ||
21 | faim_export struct aim_conn_t *aim_chat_getconn(struct aim_session_t *sess, char *name) | |
22 | { | |
23 | struct aim_conn_t *cur; | |
24 | ||
25 | faim_mutex_lock(&sess->connlistlock); | |
26 | for (cur = sess->connlist; cur; cur = cur->next) { | |
27 | if (cur->type != AIM_CONN_TYPE_CHAT) | |
28 | continue; | |
29 | if (!cur->priv) { | |
30 | faimdprintf(sess, 0, "faim: chat: chat connection with no name! (fd = %d)\n", cur->fd); | |
31 | continue; | |
32 | } | |
33 | if (strcmp((char *)cur->priv, name) == 0) | |
34 | break; | |
35 | } | |
36 | faim_mutex_unlock(&sess->connlistlock); | |
37 | ||
38 | return cur; | |
39 | } | |
40 | ||
41 | faim_export int aim_chat_attachname(struct aim_conn_t *conn, char *roomname) | |
42 | { | |
43 | if (!conn || !roomname) | |
44 | return -1; | |
45 | ||
46 | if (conn->priv) | |
47 | free(conn->priv); | |
48 | ||
49 | conn->priv = strdup(roomname); | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
54 | /* | |
55 | * Send a Chat Message. | |
56 | * | |
57 | * Possible flags: | |
58 | * AIM_CHATFLAGS_NOREFLECT -- Unset the flag that requests messages | |
59 | * should be sent to their sender. | |
60 | * AIM_CHATFLAGS_AWAY -- Mark the message as an autoresponse | |
61 | * (Note that WinAIM does not honor this, | |
62 | * and displays the message as normal.) | |
63 | * | |
64 | * XXX convert this to use tlvchains | |
65 | */ | |
66 | faim_export unsigned long aim_chat_send_im(struct aim_session_t *sess, | |
67 | struct aim_conn_t *conn, | |
68 | unsigned short flags, | |
69 | const char *msg, | |
70 | int msglen) | |
71 | { | |
72 | ||
73 | int curbyte,i; | |
74 | struct command_tx_struct *newpacket; | |
75 | struct aim_msgcookie_t *cookie; | |
76 | ||
77 | if (!sess || !conn || !msg || (msglen <= 0)) | |
78 | return 0; | |
79 | ||
80 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 1152))) | |
81 | return -1; | |
82 | ||
83 | newpacket->lock = 1; /* lock struct */ | |
84 | ||
85 | curbyte = 0; | |
86 | curbyte += aim_putsnac(newpacket->data+curbyte, | |
87 | 0x000e, 0x0005, 0x0000, sess->snac_nextid); | |
88 | ||
89 | /* | |
90 | * Generate a random message cookie | |
91 | */ | |
92 | for (i=0;i<8;i++) | |
93 | curbyte += aimutil_put8(newpacket->data+curbyte, (u_char) rand()); | |
94 | ||
95 | cookie = aim_mkcookie(newpacket->data+curbyte-8, AIM_COOKIETYPE_CHAT, NULL); | |
96 | cookie->data = strdup(conn->priv); /* chat hack dependent */ | |
97 | ||
98 | aim_cachecookie(sess, cookie); | |
99 | ||
100 | /* | |
101 | * Channel ID. | |
102 | */ | |
103 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003); | |
104 | ||
105 | /* | |
106 | * Type 1: Flag meaning this message is destined to the room. | |
107 | */ | |
108 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
109 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
110 | ||
111 | /* | |
112 | * Type 6: Reflect | |
113 | */ | |
114 | if (!(flags & AIM_CHATFLAGS_NOREFLECT)) { | |
115 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0006); | |
116 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
117 | } | |
118 | ||
119 | /* | |
120 | * Type 7: Autoresponse | |
121 | */ | |
122 | if (flags & AIM_CHATFLAGS_AWAY) { | |
123 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0007); | |
124 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
125 | } | |
126 | ||
127 | /* | |
128 | * Type 5: Message block. Contains more TLVs. | |
129 | * | |
130 | * This could include other information... We just | |
131 | * put in a message TLV however. | |
132 | * | |
133 | */ | |
134 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
135 | curbyte += aimutil_put16(newpacket->data+curbyte, strlen(msg)+4); | |
136 | ||
137 | /* | |
138 | * SubTLV: Type 1: Message | |
139 | */ | |
140 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(msg), msg); | |
141 | ||
142 | newpacket->commandlen = curbyte; | |
143 | ||
144 | newpacket->lock = 0; | |
145 | aim_tx_enqueue(sess, newpacket); | |
146 | ||
147 | return (sess->snac_nextid++); | |
148 | } | |
149 | ||
150 | /* | |
151 | * Join a room of name roomname. This is the first | |
152 | * step to joining an already created room. It's | |
153 | * basically a Service Request for family 0x000e, | |
154 | * with a little added on to specify the exchange | |
155 | * and room name. | |
156 | * | |
157 | */ | |
158 | faim_export unsigned long aim_chat_join(struct aim_session_t *sess, | |
159 | struct aim_conn_t *conn, | |
160 | u_short exchange, | |
161 | const char *roomname) | |
162 | { | |
163 | struct command_tx_struct *newpacket; | |
164 | int i; | |
165 | ||
166 | if (!sess || !conn || !roomname) | |
167 | return 0; | |
168 | ||
169 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+9+strlen(roomname)+2))) | |
170 | return -1; | |
171 | ||
172 | newpacket->lock = 1; | |
173 | ||
174 | i = aim_putsnac(newpacket->data, 0x0001, 0x0004, 0x0000, sess->snac_nextid); | |
175 | ||
176 | i+= aimutil_put16(newpacket->data+i, 0x000e); | |
177 | ||
178 | /* | |
179 | * this is techinally a TLV, but we can't use normal functions | |
180 | * because we need the extraneous nulls and other weird things. | |
181 | */ | |
182 | i+= aimutil_put16(newpacket->data+i, 0x0001); | |
183 | i+= aimutil_put16(newpacket->data+i, 2+1+strlen(roomname)+2); | |
184 | i+= aimutil_put16(newpacket->data+i, exchange); | |
185 | i+= aimutil_put8(newpacket->data+i, strlen(roomname)); | |
186 | i+= aimutil_putstr(newpacket->data+i, roomname, strlen(roomname)); | |
187 | i+= aimutil_put16(newpacket->data+i, 0x0000); /* instance? */ | |
188 | ||
189 | /* | |
190 | * Chat hack. | |
191 | * | |
192 | * XXX: A problem occurs here if we request a channel | |
193 | * join but it fails....pendingjoin will be nonnull | |
194 | * even though the channel is never going to get a | |
195 | * redirect! | |
196 | * | |
197 | */ | |
198 | sess->pendingjoin = strdup(roomname); | |
199 | sess->pendingjoinexchange = exchange; | |
200 | ||
201 | newpacket->lock = 0; | |
202 | aim_tx_enqueue(sess, newpacket); | |
203 | ||
204 | aim_cachesnac(sess, 0x0001, 0x0004, 0x0000, roomname, strlen(roomname)+1); | |
205 | ||
206 | return sess->snac_nextid; | |
207 | } | |
208 | ||
209 | faim_internal int aim_chat_readroominfo(u_char *buf, struct aim_chat_roominfo *outinfo) | |
210 | { | |
211 | int namelen = 0; | |
212 | int i = 0; | |
213 | ||
214 | if (!buf || !outinfo) | |
215 | return 0; | |
216 | ||
217 | outinfo->exchange = aimutil_get16(buf+i); | |
218 | i += 2; | |
219 | ||
220 | namelen = aimutil_get8(buf+i); | |
221 | i += 1; | |
222 | ||
223 | outinfo->name = (char *)malloc(namelen+1); | |
224 | memcpy(outinfo->name, buf+i, namelen); | |
225 | outinfo->name[namelen] = '\0'; | |
226 | i += namelen; | |
227 | ||
228 | outinfo->instance = aimutil_get16(buf+i); | |
229 | i += 2; | |
230 | ||
231 | return i; | |
232 | } | |
233 | ||
234 | faim_export unsigned long aim_chat_clientready(struct aim_session_t *sess, | |
235 | struct aim_conn_t *conn) | |
236 | { | |
237 | struct command_tx_struct *newpacket; | |
238 | int i; | |
239 | ||
240 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 0x20))) | |
241 | return -1; | |
242 | ||
243 | newpacket->lock = 1; | |
244 | ||
245 | i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid); | |
246 | ||
247 | i+= aimutil_put16(newpacket->data+i, 0x000e); | |
248 | i+= aimutil_put16(newpacket->data+i, 0x0001); | |
249 | ||
250 | i+= aimutil_put16(newpacket->data+i, 0x0004); | |
251 | i+= aimutil_put16(newpacket->data+i, 0x0001); | |
252 | ||
253 | i+= aimutil_put16(newpacket->data+i, 0x0001); | |
254 | i+= aimutil_put16(newpacket->data+i, 0x0003); | |
255 | ||
256 | i+= aimutil_put16(newpacket->data+i, 0x0004); | |
257 | i+= aimutil_put16(newpacket->data+i, 0x0686); | |
258 | ||
259 | newpacket->lock = 0; | |
260 | aim_tx_enqueue(sess, newpacket); | |
261 | ||
262 | return (sess->snac_nextid++); | |
263 | } | |
264 | ||
265 | faim_export int aim_chat_leaveroom(struct aim_session_t *sess, char *name) | |
266 | { | |
267 | struct aim_conn_t *conn; | |
268 | ||
269 | if ((conn = aim_chat_getconn(sess, name))) | |
270 | aim_conn_close(conn); | |
271 | ||
272 | if (!conn) | |
273 | return -1; | |
274 | return 0; | |
275 | } | |
276 | ||
277 | /* | |
278 | * conn must be a BOS connection! | |
279 | */ | |
280 | faim_export unsigned long aim_chat_invite(struct aim_session_t *sess, | |
281 | struct aim_conn_t *conn, | |
282 | char *sn, | |
283 | char *msg, | |
284 | u_short exchange, | |
285 | char *roomname, | |
286 | u_short instance) | |
287 | { | |
288 | struct command_tx_struct *newpacket; | |
289 | int i,curbyte=0; | |
290 | struct aim_msgcookie_t *cookie; | |
291 | struct aim_invite_priv *priv; | |
292 | ||
293 | if (!sess || !conn || !sn || !msg || !roomname) | |
294 | return -1; | |
295 | ||
296 | if (conn->type != AIM_CONN_TYPE_BOS) | |
297 | return -1; | |
298 | ||
299 | if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 1152+strlen(sn)+strlen(roomname)+strlen(msg)))) | |
300 | return -1; | |
301 | ||
302 | newpacket->lock = 1; | |
303 | ||
304 | curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid); | |
305 | ||
306 | /* | |
307 | * Cookie | |
308 | */ | |
309 | for (i=0;i<8;i++) | |
310 | curbyte += aimutil_put8(newpacket->data+curbyte, (u_char)rand()); | |
311 | ||
312 | /* XXX this should get uncached by the unwritten 'invite accept' handler */ | |
313 | if(!(priv = calloc(sizeof(struct aim_invite_priv), 1))) | |
314 | return -1; | |
315 | priv->sn = strdup(sn); | |
316 | priv->roomname = strdup(roomname); | |
317 | priv->exchange = exchange; | |
318 | priv->instance = instance; | |
319 | ||
320 | if(!(cookie = aim_mkcookie(newpacket->data+curbyte-8, AIM_COOKIETYPE_INVITE, priv))) | |
321 | return -1; | |
322 | aim_cachecookie(sess, cookie); | |
323 | ||
324 | /* | |
325 | * Channel (2) | |
326 | */ | |
327 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
328 | ||
329 | /* | |
330 | * Dest sn | |
331 | */ | |
332 | curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn)); | |
333 | curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn)); | |
334 | ||
335 | /* | |
336 | * TLV t(0005) | |
337 | */ | |
338 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005); | |
339 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x28+strlen(msg)+0x04+0x03+strlen(roomname)+0x02); | |
340 | ||
341 | /* | |
342 | * Unknown info | |
343 | */ | |
344 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
345 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x3131); | |
346 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x3538); | |
347 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x3446); | |
348 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x4100); | |
349 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x748f); | |
350 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x2420); | |
351 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x6287); | |
352 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x11d1); | |
353 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x8222); | |
354 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x4445); | |
355 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x5354); | |
356 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
357 | ||
358 | /* | |
359 | * TLV t(000a) -- Unknown | |
360 | */ | |
361 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a); | |
362 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002); | |
363 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001); | |
364 | ||
365 | /* | |
366 | * TLV t(000f) -- Unknown | |
367 | */ | |
368 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f); | |
369 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000); | |
370 | ||
371 | /* | |
372 | * TLV t(000c) -- Invitation message | |
373 | */ | |
374 | curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000c, strlen(msg), msg); | |
375 | ||
376 | /* | |
377 | * TLV t(2711) -- Container for room information | |
378 | */ | |
379 | curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711); | |
380 | curbyte += aimutil_put16(newpacket->data+curbyte, 3+strlen(roomname)+2); | |
381 | curbyte += aimutil_put16(newpacket->data+curbyte, exchange); | |
382 | curbyte += aimutil_put8(newpacket->data+curbyte, strlen(roomname)); | |
383 | curbyte += aimutil_putstr(newpacket->data+curbyte, roomname, strlen(roomname)); | |
384 | curbyte += aimutil_put16(newpacket->data+curbyte, instance); | |
385 | ||
386 | newpacket->commandlen = curbyte; | |
387 | newpacket->lock = 0; | |
388 | aim_tx_enqueue(sess, newpacket); | |
389 | ||
390 | return (sess->snac_nextid++); | |
391 | } | |
392 | ||
393 | /* | |
394 | * General room information. Lots of stuff. | |
395 | * | |
396 | * Values I know are in here but I havent attached | |
397 | * them to any of the 'Unknown's: | |
398 | * - Language (English) | |
399 | * | |
400 | * SNAC 000e/0002 | |
401 | */ | |
402 | static int infoupdate(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) | |
403 | { | |
404 | struct aim_userinfo_s *userinfo = NULL; | |
405 | rxcallback_t userfunc=NULL; | |
406 | int ret = 0, i = 0; | |
407 | int usercount = 0; | |
408 | unsigned char detaillevel = 0; | |
409 | char *roomname = NULL; | |
410 | struct aim_chat_roominfo roominfo; | |
411 | unsigned short tlvcount = 0; | |
412 | struct aim_tlvlist_t *tlvlist; | |
413 | char *roomdesc = NULL; | |
414 | unsigned short unknown_c9 = 0; | |
415 | unsigned long creationtime = 0; | |
416 | unsigned short maxmsglen = 0; | |
417 | unsigned short unknown_d2 = 0, unknown_d5 = 0; | |
418 | ||
419 | i += aim_chat_readroominfo(data+i, &roominfo); | |
420 | ||
421 | detaillevel = aimutil_get8(data+i); | |
422 | i++; | |
423 | ||
424 | if (detaillevel != 0x02) { | |
425 | if (detaillevel == 0x01) | |
426 | faimdprintf(sess, 0, "faim: chat_roomupdateinfo: detail level 1 not supported\n"); | |
427 | else | |
428 | faimdprintf(sess, 0, "faim: chat_roomupdateinfo: unknown detail level %d\n", detaillevel); | |
429 | return 1; | |
430 | } | |
431 | ||
432 | tlvcount = aimutil_get16(data+i); | |
433 | i += 2; | |
434 | ||
435 | /* | |
436 | * Everything else are TLVs. | |
437 | */ | |
438 | tlvlist = aim_readtlvchain(data+i, datalen-i); | |
439 | ||
440 | /* | |
441 | * TLV type 0x006a is the room name in Human Readable Form. | |
442 | */ | |
443 | if (aim_gettlv(tlvlist, 0x006a, 1)) | |
444 | roomname = aim_gettlv_str(tlvlist, 0x006a, 1); | |
445 | ||
446 | /* | |
447 | * Type 0x006f: Number of occupants. | |
448 | */ | |
449 | if (aim_gettlv(tlvlist, 0x006f, 1)) | |
450 | usercount = aim_gettlv16(tlvlist, 0x006f, 1); | |
451 | ||
452 | /* | |
453 | * Type 0x0073: Occupant list. | |
454 | */ | |
455 | if (aim_gettlv(tlvlist, 0x0073, 1)) { | |
456 | int curoccupant = 0; | |
457 | struct aim_tlv_t *tmptlv; | |
458 | ||
459 | tmptlv = aim_gettlv(tlvlist, 0x0073, 1); | |
460 | ||
461 | /* Allocate enough userinfo structs for all occupants */ | |
462 | userinfo = calloc(usercount, sizeof(struct aim_userinfo_s)); | |
463 | ||
464 | i = 0; | |
465 | while (curoccupant < usercount) | |
466 | i += aim_extractuserinfo(sess, tmptlv->value+i, &userinfo[curoccupant++]); | |
467 | } | |
468 | ||
469 | /* | |
470 | * Type 0x00c9: Unknown. (2 bytes) | |
471 | */ | |
472 | if (aim_gettlv(tlvlist, 0x00c9, 1)) | |
473 | unknown_c9 = aim_gettlv16(tlvlist, 0x00c9, 1); | |
474 | ||
475 | /* | |
476 | * Type 0x00ca: Creation time (4 bytes) | |
477 | */ | |
478 | if (aim_gettlv(tlvlist, 0x00ca, 1)) | |
479 | creationtime = aim_gettlv32(tlvlist, 0x00ca, 1); | |
480 | ||
481 | /* | |
482 | * Type 0x00d1: Maximum Message Length | |
483 | */ | |
484 | if (aim_gettlv(tlvlist, 0x00d1, 1)) | |
485 | maxmsglen = aim_gettlv16(tlvlist, 0x00d1, 1); | |
486 | ||
487 | /* | |
488 | * Type 0x00d2: Unknown. (2 bytes) | |
489 | */ | |
490 | if (aim_gettlv(tlvlist, 0x00d2, 1)) | |
491 | unknown_d2 = aim_gettlv16(tlvlist, 0x00d2, 1); | |
492 | ||
493 | /* | |
494 | * Type 0x00d3: Room Description | |
495 | */ | |
496 | if (aim_gettlv(tlvlist, 0x00d3, 1)) | |
497 | roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1); | |
498 | ||
499 | /* | |
500 | * Type 0x00d5: Unknown. (1 byte) | |
501 | */ | |
502 | if (aim_gettlv(tlvlist, 0x00d5, 1)) | |
503 | unknown_d5 = aim_gettlv8(tlvlist, 0x00d5, 1); | |
504 | ||
505 | ||
506 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) { | |
507 | ret = userfunc(sess, | |
508 | rx, | |
509 | &roominfo, | |
510 | roomname, | |
511 | usercount, | |
512 | userinfo, | |
513 | roomdesc, | |
514 | unknown_c9, | |
515 | creationtime, | |
516 | maxmsglen, | |
517 | unknown_d2, | |
518 | unknown_d5); | |
519 | } | |
520 | ||
521 | free(roominfo.name); | |
522 | free(userinfo); | |
523 | free(roomname); | |
524 | free(roomdesc); | |
525 | aim_freetlvchain(&tlvlist); | |
526 | ||
527 | return ret; | |
528 | } | |
529 | ||
530 | static int userlistchange(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) | |
531 | { | |
532 | struct aim_userinfo_s *userinfo = NULL; | |
533 | rxcallback_t userfunc; | |
534 | int i = 0, curcount = 0, ret = 0; | |
535 | ||
536 | while (i < datalen) { | |
537 | curcount++; | |
538 | userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s)); | |
539 | i += aim_extractuserinfo(sess, data+i, &userinfo[curcount-1]); | |
540 | } | |
541 | ||
542 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) | |
543 | ret = userfunc(sess, rx, curcount, userinfo); | |
544 | ||
545 | free(userinfo); | |
546 | ||
547 | return ret; | |
548 | } | |
549 | ||
550 | /* | |
551 | * We could probably include this in the normal ICBM parsing | |
552 | * code as channel 0x0003, however, since only the start | |
553 | * would be the same, we might as well do it here. | |
554 | * | |
555 | * General outline of this SNAC: | |
556 | * snac | |
557 | * cookie | |
558 | * channel id | |
559 | * tlvlist | |
560 | * unknown | |
561 | * source user info | |
562 | * name | |
563 | * evility | |
564 | * userinfo tlvs | |
565 | * online time | |
566 | * etc | |
567 | * message metatlv | |
568 | * message tlv | |
569 | * message string | |
570 | * possibly others | |
571 | * | |
572 | */ | |
573 | static int incomingmsg(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) | |
574 | { | |
575 | struct aim_userinfo_s userinfo; | |
576 | rxcallback_t userfunc=NULL; | |
577 | int ret = 0, i = 0; | |
578 | unsigned char cookie[8]; | |
579 | int channel; | |
580 | struct aim_tlvlist_t *outerlist; | |
581 | char *msg = NULL; | |
582 | struct aim_msgcookie_t *ck; | |
583 | ||
584 | memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s)); | |
585 | ||
586 | /* | |
587 | * ICBM Cookie. Cache it. | |
588 | */ | |
589 | memcpy(cookie, data, 8); | |
590 | i += 8; | |
591 | ||
592 | if ((ck = aim_uncachecookie(sess, cookie, AIM_COOKIETYPE_CHAT))) { | |
593 | if (ck->data) | |
594 | free(ck->data); | |
595 | free(ck); | |
596 | } | |
597 | ||
598 | /* | |
599 | * Channel ID | |
600 | * | |
601 | * Channels 1 and 2 are implemented in the normal ICBM | |
602 | * parser. | |
603 | * | |
604 | * We only do channel 3 here. | |
605 | * | |
606 | */ | |
607 | channel = aimutil_get16(data+i); | |
608 | i += 2; | |
609 | ||
610 | if (channel != 0x0003) { | |
611 | faimdprintf(sess, 0, "faim: chat_incoming: unknown channel! (0x%04x)\n", channel); | |
612 | return 0; | |
613 | } | |
614 | ||
615 | /* | |
616 | * Start parsing TLVs right away. | |
617 | */ | |
618 | outerlist = aim_readtlvchain(data+8+2, datalen-8-2); | |
619 | ||
620 | /* | |
621 | * Type 0x0003: Source User Information | |
622 | */ | |
623 | if (aim_gettlv(outerlist, 0x0003, 1)) { | |
624 | struct aim_tlv_t *userinfotlv; | |
625 | ||
626 | userinfotlv = aim_gettlv(outerlist, 0x0003, 1); | |
627 | aim_extractuserinfo(sess, userinfotlv->value, &userinfo); | |
628 | } | |
629 | ||
630 | /* | |
631 | * Type 0x0001: Unknown. | |
632 | */ | |
633 | if (aim_gettlv(outerlist, 0x0001, 1)) | |
634 | ; | |
635 | ||
636 | /* | |
637 | * Type 0x0005: Message Block. Conains more TLVs. | |
638 | */ | |
639 | if (aim_gettlv(outerlist, 0x0005, 1)) { | |
640 | struct aim_tlvlist_t *innerlist; | |
641 | struct aim_tlv_t *msgblock; | |
642 | ||
643 | msgblock = aim_gettlv(outerlist, 0x0005, 1); | |
644 | innerlist = aim_readtlvchain(msgblock->value, msgblock->length); | |
645 | ||
646 | /* | |
647 | * Type 0x0001: Message. | |
648 | */ | |
649 | if (aim_gettlv(innerlist, 0x0001, 1)) | |
650 | msg = aim_gettlv_str(innerlist, 0x0001, 1); | |
651 | ||
652 | aim_freetlvchain(&innerlist); | |
653 | } | |
654 | ||
655 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) | |
656 | ret = userfunc(sess, rx, &userinfo, msg); | |
657 | ||
658 | free(msg); | |
659 | aim_freetlvchain(&outerlist); | |
660 | ||
661 | return ret; | |
662 | } | |
663 | ||
664 | static int snachandler(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen) | |
665 | { | |
666 | ||
667 | if (snac->subtype == 0x0002) | |
668 | return infoupdate(sess, mod, rx, snac, data, datalen); | |
669 | else if ((snac->subtype == 0x0003) || (snac->subtype == 0x0004)) | |
670 | return userlistchange(sess, mod, rx, snac, data, datalen); | |
671 | else if (snac->subtype == 0x0006) | |
672 | return incomingmsg(sess, mod, rx, snac, data, datalen); | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | faim_internal int chat_modfirst(struct aim_session_t *sess, aim_module_t *mod) | |
678 | { | |
679 | ||
680 | mod->family = 0x000e; | |
681 | mod->version = 0x0000; | |
682 | mod->flags = 0; | |
683 | strncpy(mod->name, "chat", sizeof(mod->name)); | |
684 | mod->snachandler = snachandler; | |
685 | ||
686 | return 0; | |
687 | } |