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9de3ca7e 1/*
2 * aim_chat.c
3 *
4 * Routines for the Chat service. Nothing works (yet).
5 *
6 */
7
a25832e6 8#include <faim/aim.h>
9de3ca7e 9
0c20631f 10char *aim_chat_getname(struct aim_conn_t *conn)
11{
12 if (!conn)
13 return NULL;
14 if (conn->type != AIM_CONN_TYPE_CHAT)
15 return NULL;
16
17 return (char *)conn->priv; /* yuck ! */
18}
19
20struct aim_conn_t *aim_chat_getconn(struct aim_session_t *sess, char *name)
21{
22 int i;
23
24 for (i=0;i<AIM_CONN_MAX;i++)
25 {
26 if (sess->conns[i].type == AIM_CONN_TYPE_CHAT)
27 {
28 if (sess->conns[i].priv)
29 if (!strcmp((char *)sess->conns[i].priv, name))
30 {
31 return &sess->conns[i];
32 }
33 }
34 }
35 return NULL;
36}
37
38int aim_chat_attachname(struct aim_conn_t *conn, char *roomname)
39{
40 if (!conn || !roomname)
41 return -1;
42
43 conn->priv = malloc(strlen(roomname)+1);
44 strcpy(conn->priv, roomname);
45
46 return 0;
47}
48
49u_long aim_chat_send_im(struct aim_session_t *sess,
50 struct aim_conn_t *conn,
51 char *msg)
52{
53
54 int curbyte,i;
55 struct command_tx_struct newpacket;
56
57 if (!sess || !conn || !msg)
58 return 0;
59
60 newpacket.lock = 1; /* lock struct */
61 newpacket.type = 0x02; /* IMs are always family 0x02 */
62
63 /*
64 * Since we must have a specific connection, then theres
65 * no use in going on if we don't have one...
66 */
67 if (!conn)
68 return sess->snac_nextid;
69 newpacket.conn = conn;
70
71 /*
72 * Its simplest to set this arbitrarily large and waste
73 * space. Precalculating is costly here.
74 */
75 newpacket.commandlen = 1152;
76
77 newpacket.data = (u_char *) calloc(1, newpacket.commandlen);
78
79 curbyte = 0;
80 curbyte += aim_putsnac(newpacket.data+curbyte,
81 0x000e, 0x0005, 0x0000, sess->snac_nextid);
82
83 /*
84 * Generate a random message cookie
85 *
86 */
87 for (i=0;i<8;i++)
88 curbyte += aimutil_put8(newpacket.data+curbyte, (u_char) random());
89
90 /*
91 * metaTLV start. -- i assume this is a metaTLV. it could be the
92 * channel ID though.
93 */
94 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0003);
95
96 /*
97 * Type 1: Unknown. Blank.
98 */
99 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001);
100 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
101
102 /*
103 * Type 6: Unknown. Blank.
104 */
105 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0006);
106 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
107
108 /*
109 * Type 5: Message block. Contains more TLVs.
110 *
111 * This could include other information... We just
112 * put in a message TLV however.
113 *
114 */
115 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0005);
116 curbyte += aimutil_put16(newpacket.data+curbyte, strlen(msg)+4);
117
118 /*
119 * SubTLV: Type 1: Message
120 */
121 curbyte += aim_puttlv_str(newpacket.data+curbyte, 0x0001, strlen(msg), msg);
122
123 newpacket.commandlen = curbyte;
124
125 newpacket.lock = 0;
126 aim_tx_enqueue(sess, &newpacket);
127
128 return (sess->snac_nextid++);
129}
130
9de3ca7e 131/*
0c20631f 132 * Join a room of name roomname. This is the first
133 * step to joining an already created room. It's
134 * basically a Service Request for family 0x000e,
135 * with a little added on to specify the exchange
136 * and room name.
9de3ca7e 137 *
138 */
a25832e6 139u_long aim_chat_join(struct aim_session_t *sess,
140 struct aim_conn_t *conn,
0c20631f 141 u_short exchange,
a25832e6 142 const char *roomname)
9de3ca7e 143{
144 struct command_tx_struct newpacket;
0c20631f 145 int i;
146
147 if (!sess || !conn || !roomname)
148 return 0;
9de3ca7e 149
150 newpacket.lock = 1;
151 if (conn)
152 newpacket.conn = conn;
153 else
a25832e6 154 newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_BOS);
155
0c20631f 156 newpacket.type = 0x02;
9de3ca7e 157
0c20631f 158 newpacket.commandlen = 10 + 9 + strlen(roomname) + 2;
9de3ca7e 159 newpacket.data = (char *) malloc(newpacket.commandlen);
160 memset(newpacket.data, 0x00, newpacket.commandlen);
161
0c20631f 162 i = aim_putsnac(newpacket.data, 0x0001, 0x0004, 0x0000, sess->snac_nextid);
9de3ca7e 163
0c20631f 164 i+= aimutil_put16(newpacket.data+i, 0x000e);
165
166 /*
167 * this is techinally a TLV, but we can't use normal functions
168 * because we need the extraneous nulls and other weird things.
169 */
170 i+= aimutil_put16(newpacket.data+i, 0x0001);
171 i+= aimutil_put16(newpacket.data+i, 2+1+strlen(roomname)+2);
172 i+= aimutil_put16(newpacket.data+i, exchange);
173 i+= aimutil_put8(newpacket.data+i, strlen(roomname));
174 memcpy(newpacket.data+i, roomname, strlen(roomname));
175 i+= strlen(roomname);
176 //i+= aimutil_putstr(newpacket.data+i, roomname, strlen(roomname));
177 i+= aimutil_put16(newpacket.data+i, 0x0000);
9de3ca7e 178
0c20631f 179 /*
180 * Chat hack.
181 *
182 * XXX: A problem occurs here if we request a channel
183 * join but it fails....pendingjoin will be nonnull
184 * even though the channel is never going to get a
185 * redirect!
186 *
187 */
188 sess->pendingjoin = (char *)malloc(strlen(roomname)+1);
189 strcpy(sess->pendingjoin, roomname);
190
191 newpacket.lock = 0;
a25832e6 192 aim_tx_enqueue(sess, &newpacket);
9de3ca7e 193
0c20631f 194#if 0
9de3ca7e 195 {
196 struct aim_snac_t snac;
197
a25832e6 198 snac.id = sess->snac_nextid;
9de3ca7e 199 snac.family = 0x0001;
200 snac.type = 0x0004;
201 snac.flags = 0x0000;
202
0c20631f 203 snac.data = malloc(strlen(roomname)+1);
204 strcpy(snac.data, roomname);
9de3ca7e 205
a25832e6 206 aim_newsnac(sess, &snac);
9de3ca7e 207 }
208
0c20631f 209#endif
210 return (sess->snac_nextid++);
211}
212
213int aim_chat_readroominfo(u_char *buf, struct aim_chat_roominfo *outinfo)
214{
215 int namelen = 0;
216 int i = 0;
217
218 if (!buf || !outinfo)
219 return 0;
220
221 outinfo->exchange = aimutil_get16(buf+i);
222 i += 2;
223
224 namelen = aimutil_get8(buf+i);
225 i += 1;
226
227 outinfo->name = (char *)malloc(namelen+1);
228 memcpy(outinfo->name, buf+i, namelen);
229 outinfo->name[namelen] = '\0';
230 i += namelen;
231
232 outinfo->instance = aimutil_get16(buf+i);
233 i += 2;
234
235 return i;
236};
237
238
239/*
240 * General room information. Lots of stuff.
241 *
242 * Values I know are in here but I havent attached
243 * them to any of the 'Unknown's:
244 * - Language (English)
245 *
246 */
247int aim_chat_parse_infoupdate(struct aim_session_t *sess,
248 struct command_rx_struct *command)
249{
250 struct aim_userinfo_s *userinfo;
251 rxcallback_t userfunc=NULL;
252 int ret = 1, i = 0;
253 int usercount = 0;
254 u_char detaillevel = 0;
255 char *roomname;
256 struct aim_chat_roominfo roominfo;
257 u_short tlvcount = 0;
258 struct aim_tlvlist_t *tlvlist;
259 char *roomdesc;
260
261 i = 10;
262 i += aim_chat_readroominfo(command->data+i, &roominfo);
263
264 detaillevel = aimutil_get8(command->data+i);
265 i++;
266
267 tlvcount = aimutil_get16(command->data+i);
268 i += 2;
269
270 /*
271 * Everything else are TLVs.
272 */
273 tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i);
274
275 /*
276 * TLV type 0x006a is the room name in Human Readable Form.
277 */
278 if (aim_gettlv(tlvlist, 0x006a, 1))
279 roomname = aim_gettlv_str(tlvlist, 0x006a, 1);
280
281 /*
282 * Type 0x006f: Number of occupants.
283 */
284 if (aim_gettlv(tlvlist, 0x006f, 1))
285 {
286 struct aim_tlv_t *tmptlv;
287 tmptlv = aim_gettlv(tlvlist, 0x006f, 1);
288
289 usercount = aimutil_get16(tmptlv->value);
290 }
291
292 /*
293 * Type 0x0073: Occupant list.
294 */
295 if (aim_gettlv(tlvlist, 0x0073, 1))
296 {
297 int curoccupant = 0;
298 struct aim_tlv_t *tmptlv;
299
300 tmptlv = aim_gettlv(tlvlist, 0x0073, 1);
301
302 /* Allocate enough userinfo structs for all occupants */
303 userinfo = calloc(usercount, sizeof(struct aim_userinfo_s));
304
305 i = 0;
306 while (curoccupant < usercount)
307 i += aim_extractuserinfo(tmptlv->value+i, &userinfo[curoccupant++]);
308 }
309
310 /*
311 * Type 0x00c9: Unknown.
312 */
313 if (aim_gettlv(tlvlist, 0x00c9, 1))
314 ;
315
316 /*
317 * Type 0x00ca: Creation date
318 */
319 if (aim_gettlv(tlvlist, 0x00ca, 1))
320 ;
321
322 /*
323 * Type 0x00d1: Maximum Message Length
324 */
325 if (aim_gettlv(tlvlist, 0x00d1, 1))
326 ;
327
328 /*
329 * Type 0x00d2: Unknown.
330 */
331 if (aim_gettlv(tlvlist, 0x00d2, 1))
332 ;
333
334 /*
335 * Type 0x00d3: Room Description
336 */
337 if (aim_gettlv(tlvlist, 0x00d3, 1))
338 roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1);
339
340 /*
341 * Type 0x00d5: Unknown.
342 */
343 if (aim_gettlv(tlvlist, 0x00d5, 1))
344 ;
345
346
347 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_ROOMINFOUPDATE);
348 if (userfunc)
349 {
350 ret = userfunc(sess,
351 command,
352 &roominfo,
353 roomname,
354 usercount,
355 userinfo,
356 roomdesc);
357 }
358 free(roominfo.name);
359 free(userinfo);
360 free(roomname);
361 free(roomdesc);
362 aim_freetlvchain(&tlvlist);
363
364 return ret;
365}
366
367int aim_chat_parse_joined(struct aim_session_t *sess,
368 struct command_rx_struct *command)
369{
370 struct aim_userinfo_s *userinfo = NULL;
371 rxcallback_t userfunc=NULL;
372 int i = 10, curcount = 0, ret = 1;
373
374 while (i < command->commandlen)
375 {
376 curcount++;
377 userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
378 i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
379 }
380
381 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERJOIN);
382 if (userfunc)
383 {
384 ret = userfunc(sess,
385 command,
386 curcount,
387 userinfo);
388 }
389
390 free(userinfo);
391
392 return ret;
393}
394
395int aim_chat_parse_leave(struct aim_session_t *sess,
396 struct command_rx_struct *command)
397{
398
399 struct aim_userinfo_s *userinfo = NULL;
400 rxcallback_t userfunc=NULL;
401 int i = 10, curcount = 0, ret = 1;
402
403 while (i < command->commandlen)
404 {
405 curcount++;
406 userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
407 i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
408 }
409
410 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERLEAVE);
411 if (userfunc)
412 {
413 ret = userfunc(sess,
414 command,
415 curcount,
416 userinfo);
417 }
418
419 free(userinfo);
420
421 return ret;
422}
423
424/*
425 * We could probably include this in the normal ICBM parsing
426 * code as channel 0x0003, however, since only the start
427 * would be the same, we might as well do it here.
428 */
429int aim_chat_parse_incoming(struct aim_session_t *sess,
430 struct command_rx_struct *command)
431{
432 struct aim_userinfo_s userinfo;
433 rxcallback_t userfunc=NULL;
434 int ret = 1, i = 0, z = 0;
435 u_char cookie[8];
436 int channel;
437 struct aim_tlvlist_t *outerlist;
438 char *msg = NULL;
439
440 memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));
441
442 i = 10; /* skip snac */
443
444 /*
445 * ICBM Cookie. Ignore it.
446 */
447 for (z=0; z<8; z++,i++)
448 cookie[z] = command->data[i];
449
450 /*
451 * Channel ID
452 *
453 * Channels 1 and 2 are implemented in the normal ICBM
454 * parser.
455 *
456 * We only do channel 3 here.
457 *
458 */
459 channel = aimutil_get16(command->data+i);
460 i += 2;
461
462 if (channel != 0x0003)
463 {
464 printf("faim: chat_incoming: unknown channel! (0x%04x)\n", channel);
465 return 1;
466 }
467
468 /*
469 * Start parsing TLVs right away.
470 */
471 outerlist = aim_readtlvchain(command->data+i, command->commandlen-i);
472
473 /*
474 * Type 0x0003: Source User Information
475 */
476 if (aim_gettlv(outerlist, 0x0003, 1))
477 {
478 struct aim_tlv_t *userinfotlv;
479
480 userinfotlv = aim_gettlv(outerlist, 0x0003, 1);
481 aim_extractuserinfo(userinfotlv->value, &userinfo);
482 }
483
484 /*
485 * Type 0x0001: Unknown.
486 */
487 if (aim_gettlv(outerlist, 0x0001, 1))
488 ;
489
490 /*
491 * Type 0x0005: Message Block. Conains more TLVs.
492 */
493 if (aim_gettlv(outerlist, 0x0005, 1))
494 {
495 struct aim_tlvlist_t *innerlist;
496 struct aim_tlv_t *msgblock;
497
498 msgblock = aim_gettlv(outerlist, 0x0005, 1);
499 innerlist = aim_readtlvchain(msgblock->value, msgblock->length);
500
501 /*
502 * Type 0x0001: Message.
503 */
504 if (aim_gettlv(innerlist, 0x0001, 1))
505 msg = aim_gettlv_str(innerlist, 0x0001, 1);
506
507 aim_freetlvchain(&innerlist);
508 }
509
510 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_INCOMINGMSG);
511 if (userfunc)
512 {
513 ret = userfunc(sess,
514 command,
515 &userinfo,
516 msg);
517 }
518 free(msg);
519 aim_freetlvchain(&outerlist);
520
521 return ret;
522}
523
524u_long aim_chat_clientready(struct aim_session_t *sess,
525 struct aim_conn_t *conn)
526{
527 struct command_tx_struct newpacket;
528 int i;
529
530 newpacket.lock = 1;
531 if (conn)
532 newpacket.conn = conn;
533 else
534 newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_CHAT);
535 newpacket.type = 0x02;
536 newpacket.commandlen = 0x20;
537
538 newpacket.data = (char *) malloc(newpacket.commandlen);
539 i = aim_putsnac(newpacket.data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);
540
541 i+= aimutil_put16(newpacket.data+i, 0x000e);
542 i+= aimutil_put16(newpacket.data+i, 0x0001);
543
544 i+= aimutil_put16(newpacket.data+i, 0x0004);
545 i+= aimutil_put16(newpacket.data+i, 0x0001);
546
547 i+= aimutil_put16(newpacket.data+i, 0x0001);
548 i+= aimutil_put16(newpacket.data+i, 0x0003);
549
550 i+= aimutil_put16(newpacket.data+i, 0x0004);
551 i+= aimutil_put16(newpacket.data+i, 0x0686);
552
553 newpacket.lock = 0;
554 aim_tx_enqueue(sess, &newpacket);
555
556 return (sess->snac_nextid++);
557}
558
559int aim_chat_leaveroom(struct aim_session_t *sess, char *name)
560{
561 int i;
562
563 for (i=0;i<AIM_CONN_MAX;i++)
564 {
565 if (sess->conns[i].type == AIM_CONN_TYPE_CHAT)
566 {
567 if (sess->conns[i].priv)
568 if (!strcmp((char *)sess->conns[i].priv, name))
569 {
570 aim_conn_close(&sess->conns[i]);
571 return 0;
572 }
573 }
574 }
575 return -1;
576}
577
578/*
579 * conn must be a BOS connection!
580 */
581u_long aim_chat_invite(struct aim_session_t *sess,
582 struct aim_conn_t *conn,
583 char *sn,
584 char *msg,
585 u_short exchange,
586 char *roomname,
587 u_short instance)
588{
589 struct command_tx_struct newpacket;
590 int i,curbyte=0;
591
592 if (!sess || !conn || !sn || !msg || !roomname)
593 return 0;
594
595 newpacket.lock = 1;
596 if (conn)
597 newpacket.conn = conn;
598 else
599 newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_BOS);
600 newpacket.type = 0x02;
601 newpacket.commandlen = 1152+strlen(sn)+strlen(roomname)+strlen(msg);
602
603 newpacket.data = (char *) malloc(newpacket.commandlen);
604 curbyte = aim_putsnac(newpacket.data, 0x0004, 0x0006, 0x0000, sess->snac_nextid);
605
606 /*
607 * Cookie
608 */
609 for (i=0;i<8;i++)
610 curbyte += aimutil_put8(newpacket.data+curbyte, (u_char)rand());
611
612 /*
613 * Channel (2)
614 */
615 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0002);
616
617 /*
618 * Dest sn
619 */
620 curbyte += aimutil_put8(newpacket.data+curbyte, strlen(sn));
621 curbyte += aimutil_putstr(newpacket.data+curbyte, sn, strlen(sn));
622
623 /*
624 * TLV t(0005)
625 */
626 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0005);
627 curbyte += aimutil_put16(newpacket.data+curbyte, 0x28+strlen(msg)+0x04+0x03+strlen(roomname)+0x02);
628
629 /*
630 * Unknown info
631 */
632 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
633 curbyte += aimutil_put16(newpacket.data+curbyte, 0x3131);
634 curbyte += aimutil_put16(newpacket.data+curbyte, 0x3538);
635 curbyte += aimutil_put16(newpacket.data+curbyte, 0x3446);
636 curbyte += aimutil_put16(newpacket.data+curbyte, 0x4100);
637 curbyte += aimutil_put16(newpacket.data+curbyte, 0x748f);
638 curbyte += aimutil_put16(newpacket.data+curbyte, 0x2420);
639 curbyte += aimutil_put16(newpacket.data+curbyte, 0x6287);
640 curbyte += aimutil_put16(newpacket.data+curbyte, 0x11d1);
641 curbyte += aimutil_put16(newpacket.data+curbyte, 0x8222);
642 curbyte += aimutil_put16(newpacket.data+curbyte, 0x4445);
643 curbyte += aimutil_put16(newpacket.data+curbyte, 0x5354);
644 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
645
646 /*
647 * TLV t(000a) -- Unknown
648 */
649 curbyte += aimutil_put16(newpacket.data+curbyte, 0x000a);
650 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0002);
651 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001);
652
653 /*
654 * TLV t(000f) -- Unknown
655 */
656 curbyte += aimutil_put16(newpacket.data+curbyte, 0x000f);
657 curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
658
659 /*
660 * TLV t(000c) -- Invitation message
661 */
662 curbyte += aim_puttlv_str(newpacket.data+curbyte, 0x000c, strlen(msg), msg);
663
664 /*
665 * TLV t(2711) -- Container for room information
666 */
667 curbyte += aimutil_put16(newpacket.data+curbyte, 0x2711);
668 curbyte += aimutil_put16(newpacket.data+curbyte, 3+strlen(roomname)+2);
669 curbyte += aimutil_put16(newpacket.data+curbyte, exchange);
670 curbyte += aimutil_put8(newpacket.data+curbyte, strlen(roomname));
671 curbyte += aimutil_putstr(newpacket.data+curbyte, roomname, strlen(roomname));
672 curbyte += aimutil_put16(newpacket.data+curbyte, instance);
673
674 newpacket.commandlen = curbyte;
675 newpacket.lock = 0;
676 aim_tx_enqueue(sess, &newpacket);
677
a25832e6 678 return (sess->snac_nextid++);
9de3ca7e 679}
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