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comparison: libfaim/aim_chat.c

libfaim/aim_chat.c

changeset 237
83ff5f92ee7e
parent 2
62fbb00c531a
child 283
dbf3342692e9
equal deleted inserted replaced
236:773898ec348e 237:83ff5f92ee7e
3 * 3 *
4 * Routines for the Chat service. Nothing works (yet). 4 * Routines for the Chat service. Nothing works (yet).
5 * 5 *
6 */ 6 */
7 7
8 #include "aim.h" 8 #include <aim.h>
9
10 char *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
20 struct 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
38 int 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
49 u_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 if (!(newpacket = aim_tx_new(0x0002, conn, 1152)))
61 return -1;
62
63 newpacket->lock = 1; /* lock struct */
64
65 curbyte = 0;
66 curbyte += aim_putsnac(newpacket->data+curbyte,
67 0x000e, 0x0005, 0x0000, sess->snac_nextid);
68
69 /*
70 * Generate a random message cookie
71 */
72 for (i=0;i<8;i++)
73 curbyte += aimutil_put8(newpacket->data+curbyte, (u_char) random());
74
75 /*
76 * metaTLV start. -- i assume this is a metaTLV. it could be the
77 * channel ID though.
78 */
79 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
80
81 /*
82 * Type 1: Unknown. Blank.
83 */
84 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
85 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
86
87 /*
88 * Type 6: Unknown. Blank.
89 */
90 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0006);
91 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
92
93 /*
94 * Type 5: Message block. Contains more TLVs.
95 *
96 * This could include other information... We just
97 * put in a message TLV however.
98 *
99 */
100 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
101 curbyte += aimutil_put16(newpacket->data+curbyte, strlen(msg)+4);
102
103 /*
104 * SubTLV: Type 1: Message
105 */
106 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x0001, strlen(msg), msg);
107
108 newpacket->commandlen = curbyte;
109
110 newpacket->lock = 0;
111 aim_tx_enqueue(sess, newpacket);
112
113 return (sess->snac_nextid++);
114 }
9 115
10 /* 116 /*
11 * FIXME: Doesn't work. 117 * Join a room of name roomname. This is the first
118 * step to joining an already created room. It's
119 * basically a Service Request for family 0x000e,
120 * with a little added on to specify the exchange
121 * and room name.
12 * 122 *
13 */ 123 */
14 u_long aim_chat_join(struct aim_conn_t *conn, const char *roomname) 124 u_long aim_chat_join(struct aim_session_t *sess,
15 { 125 struct aim_conn_t *conn,
16 struct command_tx_struct newpacket; 126 u_short exchange,
17 127 const char *roomname)
18 newpacket.lock = 1; 128 {
19 if (conn) 129 struct command_tx_struct *newpacket;
20 newpacket.conn = conn; 130 int i;
21 else 131
22 newpacket.conn = aim_getconn_type(AIM_CONN_TYPE_BOS); 132 if (!sess || !conn || !roomname)
23 newpacket.type = 0x0002; 133 return 0;
24 134
25 newpacket.commandlen = 12+7+strlen(roomname)+6; 135 if (!(newpacket = aim_tx_new(0x0002, conn, 10+9+strlen(roomname)+2)))
26 newpacket.data = (char *) malloc(newpacket.commandlen); 136 return -1;
27 memset(newpacket.data, 0x00, newpacket.commandlen); 137
28 138 newpacket->lock = 1;
29 newpacket.data[0] = 0x00; 139
30 newpacket.data[1] = 0x01; 140 i = aim_putsnac(newpacket->data, 0x0001, 0x0004, 0x0000, sess->snac_nextid);
31 141
32 newpacket.data[2] = 0x00; 142 i+= aimutil_put16(newpacket->data+i, 0x000e);
33 newpacket.data[3] = 0x04; 143
34 144 /*
35 newpacket.data[4] = 0x00; 145 * this is techinally a TLV, but we can't use normal functions
36 newpacket.data[5] = 0x00; 146 * because we need the extraneous nulls and other weird things.
37 147 */
38 /* SNAC reqid */ 148 i+= aimutil_put16(newpacket->data+i, 0x0001);
39 newpacket.data[6] = (aim_snac_nextid >> 24) & 0xFF; 149 i+= aimutil_put16(newpacket->data+i, 2+1+strlen(roomname)+2);
40 newpacket.data[7] = (aim_snac_nextid >> 16) & 0xFF; 150 i+= aimutil_put16(newpacket->data+i, exchange);
41 newpacket.data[8] = (aim_snac_nextid >> 8) & 0xFF; 151 i+= aimutil_put8(newpacket->data+i, strlen(roomname));
42 newpacket.data[9] = (aim_snac_nextid) & 0xFF; 152 memcpy(newpacket->data+i, roomname, strlen(roomname));
43 153 i+= strlen(roomname);
44 newpacket.data[10] = 0x00; 154 //i+= aimutil_putstr(newpacket->data+i, roomname, strlen(roomname));
45 newpacket.data[11] = 0x0e; 155 i+= aimutil_put16(newpacket->data+i, 0x0000);
46 newpacket.data[12] = 0x00; 156
47 newpacket.data[13] = 0x01; 157 /*
48 newpacket.data[14] = 0x00; 158 * Chat hack.
49 newpacket.data[15] = 0x0c; 159 *
50 newpacket.data[16] = 0x00; 160 * XXX: A problem occurs here if we request a channel
51 newpacket.data[17] = 0x04; 161 * join but it fails....pendingjoin will be nonnull
52 newpacket.data[18] = strlen(roomname) & 0x00ff; 162 * even though the channel is never going to get a
53 memcpy(&(newpacket.data[19]), roomname, strlen(roomname)); 163 * redirect!
54 164 *
55 { 165 */
56 int i = 0; 166 sess->pendingjoin = (char *)malloc(strlen(roomname)+1);
57 printf("\n\n\n"); 167 strcpy(sess->pendingjoin, roomname);
58 for (i = 0;i < newpacket.commandlen; i++) 168
59 printf("0x%02x ", newpacket.data[i]); 169 newpacket->lock = 0;
60 printf("\n\n\n"); 170 aim_tx_enqueue(sess, newpacket);
61 } 171
62 172 #if 0
63 aim_tx_enqueue(&newpacket);
64
65 { 173 {
66 struct aim_snac_t snac; 174 struct aim_snac_t snac;
67 175
68 snac.id = aim_snac_nextid; 176 snac.id = sess->snac_nextid;
69 snac.family = 0x0001; 177 snac.family = 0x0001;
70 snac.type = 0x0004; 178 snac.type = 0x0004;
71 snac.flags = 0x0000; 179 snac.flags = 0x0000;
72 180
73 snac.data = malloc(strlen(roomname)); 181 snac.data = malloc(strlen(roomname)+1);
74 memcpy(snac.data, roomname, strlen(roomname)); 182 strcpy(snac.data, roomname);
75 183
76 aim_newsnac(&snac); 184 aim_newsnac(sess, &snac);
77 } 185 }
78 186
79 return (aim_snac_nextid++); 187 #endif
80 } 188 return (sess->snac_nextid++);
189 }
190
191 int aim_chat_readroominfo(u_char *buf, struct aim_chat_roominfo *outinfo)
192 {
193 int namelen = 0;
194 int i = 0;
195
196 if (!buf || !outinfo)
197 return 0;
198
199 outinfo->exchange = aimutil_get16(buf+i);
200 i += 2;
201
202 namelen = aimutil_get8(buf+i);
203 i += 1;
204
205 outinfo->name = (char *)malloc(namelen+1);
206 memcpy(outinfo->name, buf+i, namelen);
207 outinfo->name[namelen] = '\0';
208 i += namelen;
209
210 outinfo->instance = aimutil_get16(buf+i);
211 i += 2;
212
213 return i;
214 };
215
216
217 /*
218 * General room information. Lots of stuff.
219 *
220 * Values I know are in here but I havent attached
221 * them to any of the 'Unknown's:
222 * - Language (English)
223 *
224 */
225 int aim_chat_parse_infoupdate(struct aim_session_t *sess,
226 struct command_rx_struct *command)
227 {
228 struct aim_userinfo_s *userinfo = NULL;
229 rxcallback_t userfunc=NULL;
230 int ret = 1, i = 0;
231 int usercount = 0;
232 u_char detaillevel = 0;
233 char *roomname = NULL;
234 struct aim_chat_roominfo roominfo;
235 u_short tlvcount = 0;
236 struct aim_tlvlist_t *tlvlist;
237 char *roomdesc = NULL;
238
239 i = 10;
240 i += aim_chat_readroominfo(command->data+i, &roominfo);
241
242 detaillevel = aimutil_get8(command->data+i);
243 i++;
244
245 tlvcount = aimutil_get16(command->data+i);
246 i += 2;
247
248 /*
249 * Everything else are TLVs.
250 */
251 tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i);
252
253 /*
254 * TLV type 0x006a is the room name in Human Readable Form.
255 */
256 if (aim_gettlv(tlvlist, 0x006a, 1))
257 roomname = aim_gettlv_str(tlvlist, 0x006a, 1);
258
259 /*
260 * Type 0x006f: Number of occupants.
261 */
262 if (aim_gettlv(tlvlist, 0x006f, 1))
263 {
264 struct aim_tlv_t *tmptlv;
265 tmptlv = aim_gettlv(tlvlist, 0x006f, 1);
266
267 usercount = aimutil_get16(tmptlv->value);
268 }
269
270 /*
271 * Type 0x0073: Occupant list.
272 */
273 if (aim_gettlv(tlvlist, 0x0073, 1))
274 {
275 int curoccupant = 0;
276 struct aim_tlv_t *tmptlv;
277
278 tmptlv = aim_gettlv(tlvlist, 0x0073, 1);
279
280 /* Allocate enough userinfo structs for all occupants */
281 userinfo = calloc(usercount, sizeof(struct aim_userinfo_s));
282
283 i = 0;
284 while (curoccupant < usercount)
285 i += aim_extractuserinfo(tmptlv->value+i, &userinfo[curoccupant++]);
286 }
287
288 /*
289 * Type 0x00c9: Unknown.
290 */
291 if (aim_gettlv(tlvlist, 0x00c9, 1))
292 ;
293
294 /*
295 * Type 0x00ca: Creation date
296 */
297 if (aim_gettlv(tlvlist, 0x00ca, 1))
298 ;
299
300 /*
301 * Type 0x00d1: Maximum Message Length
302 */
303 if (aim_gettlv(tlvlist, 0x00d1, 1))
304 ;
305
306 /*
307 * Type 0x00d2: Unknown.
308 */
309 if (aim_gettlv(tlvlist, 0x00d2, 1))
310 ;
311
312 /*
313 * Type 0x00d3: Room Description
314 */
315 if (aim_gettlv(tlvlist, 0x00d3, 1))
316 roomdesc = aim_gettlv_str(tlvlist, 0x00d3, 1);
317
318 /*
319 * Type 0x00d5: Unknown.
320 */
321 if (aim_gettlv(tlvlist, 0x00d5, 1))
322 ;
323
324
325 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_ROOMINFOUPDATE);
326 if (userfunc)
327 {
328 ret = userfunc(sess,
329 command,
330 &roominfo,
331 roomname,
332 usercount,
333 userinfo,
334 roomdesc);
335 }
336 free(roominfo.name);
337 free(userinfo);
338 free(roomname);
339 free(roomdesc);
340 aim_freetlvchain(&tlvlist);
341
342 return ret;
343 }
344
345 int aim_chat_parse_joined(struct aim_session_t *sess,
346 struct command_rx_struct *command)
347 {
348 struct aim_userinfo_s *userinfo = NULL;
349 rxcallback_t userfunc=NULL;
350 int i = 10, curcount = 0, ret = 1;
351
352 while (i < command->commandlen)
353 {
354 curcount++;
355 userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
356 i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
357 }
358
359 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERJOIN);
360 if (userfunc)
361 {
362 ret = userfunc(sess,
363 command,
364 curcount,
365 userinfo);
366 }
367
368 free(userinfo);
369
370 return ret;
371 }
372
373 int aim_chat_parse_leave(struct aim_session_t *sess,
374 struct command_rx_struct *command)
375 {
376
377 struct aim_userinfo_s *userinfo = NULL;
378 rxcallback_t userfunc=NULL;
379 int i = 10, curcount = 0, ret = 1;
380
381 while (i < command->commandlen)
382 {
383 curcount++;
384 userinfo = realloc(userinfo, curcount * sizeof(struct aim_userinfo_s));
385 i += aim_extractuserinfo(command->data+i, &userinfo[curcount-1]);
386 }
387
388 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_USERLEAVE);
389 if (userfunc)
390 {
391 ret = userfunc(sess,
392 command,
393 curcount,
394 userinfo);
395 }
396
397 free(userinfo);
398
399 return ret;
400 }
401
402 /*
403 * We could probably include this in the normal ICBM parsing
404 * code as channel 0x0003, however, since only the start
405 * would be the same, we might as well do it here.
406 */
407 int aim_chat_parse_incoming(struct aim_session_t *sess,
408 struct command_rx_struct *command)
409 {
410 struct aim_userinfo_s userinfo;
411 rxcallback_t userfunc=NULL;
412 int ret = 1, i = 0, z = 0;
413 u_char cookie[8];
414 int channel;
415 struct aim_tlvlist_t *outerlist;
416 char *msg = NULL;
417
418 memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));
419
420 i = 10; /* skip snac */
421
422 /*
423 * ICBM Cookie. Ignore it.
424 */
425 for (z=0; z<8; z++,i++)
426 cookie[z] = command->data[i];
427
428 /*
429 * Channel ID
430 *
431 * Channels 1 and 2 are implemented in the normal ICBM
432 * parser.
433 *
434 * We only do channel 3 here.
435 *
436 */
437 channel = aimutil_get16(command->data+i);
438 i += 2;
439
440 if (channel != 0x0003)
441 {
442 printf("faim: chat_incoming: unknown channel! (0x%04x)\n", channel);
443 return 1;
444 }
445
446 /*
447 * Start parsing TLVs right away.
448 */
449 outerlist = aim_readtlvchain(command->data+i, command->commandlen-i);
450
451 /*
452 * Type 0x0003: Source User Information
453 */
454 if (aim_gettlv(outerlist, 0x0003, 1))
455 {
456 struct aim_tlv_t *userinfotlv;
457
458 userinfotlv = aim_gettlv(outerlist, 0x0003, 1);
459 aim_extractuserinfo(userinfotlv->value, &userinfo);
460 }
461
462 /*
463 * Type 0x0001: Unknown.
464 */
465 if (aim_gettlv(outerlist, 0x0001, 1))
466 ;
467
468 /*
469 * Type 0x0005: Message Block. Conains more TLVs.
470 */
471 if (aim_gettlv(outerlist, 0x0005, 1))
472 {
473 struct aim_tlvlist_t *innerlist;
474 struct aim_tlv_t *msgblock;
475
476 msgblock = aim_gettlv(outerlist, 0x0005, 1);
477 innerlist = aim_readtlvchain(msgblock->value, msgblock->length);
478
479 /*
480 * Type 0x0001: Message.
481 */
482 if (aim_gettlv(innerlist, 0x0001, 1))
483 msg = aim_gettlv_str(innerlist, 0x0001, 1);
484
485 aim_freetlvchain(&innerlist);
486 }
487
488 userfunc = aim_callhandler(command->conn, AIM_CB_FAM_CHT, AIM_CB_CHT_INCOMINGMSG);
489 if (userfunc)
490 {
491 ret = userfunc(sess,
492 command,
493 &userinfo,
494 msg);
495 }
496 free(msg);
497 aim_freetlvchain(&outerlist);
498
499 return ret;
500 }
501
502 u_long aim_chat_clientready(struct aim_session_t *sess,
503 struct aim_conn_t *conn)
504 {
505 struct command_tx_struct *newpacket;
506 int i;
507
508 if (!(newpacket = aim_tx_new(0x0002, conn, 0x20)))
509 return -1;
510
511 newpacket->lock = 1;
512
513 i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);
514
515 i+= aimutil_put16(newpacket->data+i, 0x000e);
516 i+= aimutil_put16(newpacket->data+i, 0x0001);
517
518 i+= aimutil_put16(newpacket->data+i, 0x0004);
519 i+= aimutil_put16(newpacket->data+i, 0x0001);
520
521 i+= aimutil_put16(newpacket->data+i, 0x0001);
522 i+= aimutil_put16(newpacket->data+i, 0x0003);
523
524 i+= aimutil_put16(newpacket->data+i, 0x0004);
525 i+= aimutil_put16(newpacket->data+i, 0x0686);
526
527 newpacket->lock = 0;
528 aim_tx_enqueue(sess, newpacket);
529
530 return (sess->snac_nextid++);
531 }
532
533 int aim_chat_leaveroom(struct aim_session_t *sess, char *name)
534 {
535 int i;
536
537 for (i=0;i<AIM_CONN_MAX;i++)
538 {
539 if (sess->conns[i].type == AIM_CONN_TYPE_CHAT)
540 {
541 if (sess->conns[i].priv)
542 if (!strcmp((char *)sess->conns[i].priv, name))
543 {
544 aim_conn_close(&sess->conns[i]);
545 return 0;
546 }
547 }
548 }
549 return -1;
550 }
551
552 /*
553 * conn must be a BOS connection!
554 */
555 u_long aim_chat_invite(struct aim_session_t *sess,
556 struct aim_conn_t *conn,
557 char *sn,
558 char *msg,
559 u_short exchange,
560 char *roomname,
561 u_short instance)
562 {
563 struct command_tx_struct *newpacket;
564 int i,curbyte=0;
565
566 if (!sess || !conn || !sn || !msg || !roomname)
567 return 0;
568
569 if (!(newpacket = aim_tx_new(0x0002, conn, 1152+strlen(sn)+strlen(roomname)+strlen(msg))))
570 return -1;
571
572 newpacket->lock = 1;
573
574 curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid);
575
576 /*
577 * Cookie
578 */
579 for (i=0;i<8;i++)
580 curbyte += aimutil_put8(newpacket->data+curbyte, (u_char)rand());
581
582 /*
583 * Channel (2)
584 */
585 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
586
587 /*
588 * Dest sn
589 */
590 curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn));
591 curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn));
592
593 /*
594 * TLV t(0005)
595 */
596 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
597 curbyte += aimutil_put16(newpacket->data+curbyte, 0x28+strlen(msg)+0x04+0x03+strlen(roomname)+0x02);
598
599 /*
600 * Unknown info
601 */
602 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
603 curbyte += aimutil_put16(newpacket->data+curbyte, 0x3131);
604 curbyte += aimutil_put16(newpacket->data+curbyte, 0x3538);
605 curbyte += aimutil_put16(newpacket->data+curbyte, 0x3446);
606 curbyte += aimutil_put16(newpacket->data+curbyte, 0x4100);
607 curbyte += aimutil_put16(newpacket->data+curbyte, 0x748f);
608 curbyte += aimutil_put16(newpacket->data+curbyte, 0x2420);
609 curbyte += aimutil_put16(newpacket->data+curbyte, 0x6287);
610 curbyte += aimutil_put16(newpacket->data+curbyte, 0x11d1);
611 curbyte += aimutil_put16(newpacket->data+curbyte, 0x8222);
612 curbyte += aimutil_put16(newpacket->data+curbyte, 0x4445);
613 curbyte += aimutil_put16(newpacket->data+curbyte, 0x5354);
614 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
615
616 /*
617 * TLV t(000a) -- Unknown
618 */
619 curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a);
620 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
621 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
622
623 /*
624 * TLV t(000f) -- Unknown
625 */
626 curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
627 curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
628
629 /*
630 * TLV t(000c) -- Invitation message
631 */
632 curbyte += aim_puttlv_str(newpacket->data+curbyte, 0x000c, strlen(msg), msg);
633
634 /*
635 * TLV t(2711) -- Container for room information
636 */
637 curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711);
638 curbyte += aimutil_put16(newpacket->data+curbyte, 3+strlen(roomname)+2);
639 curbyte += aimutil_put16(newpacket->data+curbyte, exchange);
640 curbyte += aimutil_put8(newpacket->data+curbyte, strlen(roomname));
641 curbyte += aimutil_putstr(newpacket->data+curbyte, roomname, strlen(roomname));
642 curbyte += aimutil_put16(newpacket->data+curbyte, instance);
643
644 newpacket->commandlen = curbyte;
645 newpacket->lock = 0;
646 aim_tx_enqueue(sess, newpacket);
647
648 return (sess->snac_nextid++);
649 }

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