4 * [The ChatNav(igation) service does various things to keep chat
5 * alive. It provides room information, room searching and creating,
6 * as well as giving users the right ("permission") to use chat.]
14 * conn must be a chatnav connection!
16 faim_export unsigned long aim_chatnav_reqrights(struct aim_session_t *sess,
17 struct aim_conn_t *conn)
20 return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002);
23 faim_export unsigned long aim_chatnav_clientready(struct aim_session_t *sess,
24 struct aim_conn_t *conn)
26 struct command_tx_struct *newpacket;
29 if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 0x20)))
34 i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid);
36 i+= aimutil_put16(newpacket->data+i, 0x000d);
37 i+= aimutil_put16(newpacket->data+i, 0x0001);
39 i+= aimutil_put16(newpacket->data+i, 0x0004);
40 i+= aimutil_put16(newpacket->data+i, 0x0001);
42 i+= aimutil_put16(newpacket->data+i, 0x0001);
43 i+= aimutil_put16(newpacket->data+i, 0x0003);
45 i+= aimutil_put16(newpacket->data+i, 0x0004);
46 i+= aimutil_put16(newpacket->data+i, 0x0686);
48 aim_tx_enqueue(sess, newpacket);
50 return (sess->snac_nextid++);
53 faim_export unsigned long aim_chatnav_createroom(struct aim_session_t *sess,
54 struct aim_conn_t *conn,
58 struct command_tx_struct *newpacket;
61 if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+12+strlen("invite")+strlen(name))))
66 i = aim_putsnac(newpacket->data, 0x000d, 0x0008, 0x0000, sess->snac_nextid);
69 i+= aimutil_put16(newpacket->data+i, exchange);
72 i+= aimutil_put8(newpacket->data+i, strlen("invite"));
73 i+= aimutil_putstr(newpacket->data+i, "invite", strlen("invite"));
76 i+= aimutil_put16(newpacket->data+i, 0xffff);
79 i+= aimutil_put8(newpacket->data+i, 0x01);
82 i+= aimutil_put16(newpacket->data+i, 0x0001);
85 i+= aim_puttlv_str(newpacket->data+i, 0x00d3, strlen(name), name);
87 aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0);
89 aim_tx_enqueue(sess, newpacket);
91 return sess->snac_nextid;
94 static int parseinfo_perms(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen, struct aim_snac_t *snac2)
96 aim_rxcallback_t userfunc;
98 struct aim_tlvlist_t *tlvlist;
99 struct aim_chat_exchangeinfo *exchanges = NULL;
101 struct aim_tlv_t *exchangetlv;
102 unsigned char maxrooms = 0;
103 struct aim_tlvlist_t *innerlist;
105 tlvlist = aim_readtlvchain(data, datalen);
108 * Type 0x0002: Maximum concurrent rooms.
110 if (aim_gettlv(tlvlist, 0x0002, 1))
111 maxrooms = aim_gettlv8(tlvlist, 0x0002, 1);
114 * Type 0x0003: Exchange information
116 * There can be any number of these, each one
117 * representing another exchange.
121 while ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))) {
123 exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo));
124 /* exchange number */
125 exchanges[curexchange-1].number = aimutil_get16(exchangetlv->value);
126 innerlist = aim_readtlvchain(exchangetlv->value+2, exchangetlv->length-2);
129 * Type 0x000d: Unknown.
131 if (aim_gettlv(innerlist, 0x000d, 1))
135 * Type 0x0004: Unknown
137 if (aim_gettlv(innerlist, 0x0004, 1))
141 * Type 0x0002: Unknown
143 if (aim_gettlv(innerlist, 0x0002, 1)) {
144 unsigned short classperms;
146 classperms = aim_gettlv16(innerlist, 0x0002, 1);
148 faimdprintf(sess, 1, "faim: class permissions %x\n", classperms);
152 * Type 0x00c9: Unknown
154 if (aim_gettlv(innerlist, 0x00c9, 1))
158 * Type 0x00ca: Creation Date
160 if (aim_gettlv(innerlist, 0x00ca, 1))
164 * Type 0x00d0: Mandatory Channels?
166 if (aim_gettlv(innerlist, 0x00d0, 1))
170 * Type 0x00d1: Maximum Message length
172 if (aim_gettlv(innerlist, 0x00d1, 1))
176 * Type 0x00d2: Maximum Occupancy?
178 if (aim_gettlv(innerlist, 0x00d2, 1))
182 * Type 0x00d3: Exchange Name
184 if (aim_gettlv(innerlist, 0x00d3, 1))
185 exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1);
187 exchanges[curexchange-1].name = NULL;
190 * Type 0x00d5: Creation Permissions
192 * 0 Creation not allowed
193 * 1 Room creation allowed
194 * 2 Exchange creation allowed
197 if (aim_gettlv(innerlist, 0x00d5, 1)) {
198 unsigned char createperms;
200 createperms = aim_gettlv8(innerlist, 0x00d5, 1);
204 * Type 0x00d6: Character Set (First Time)
206 if (aim_gettlv(innerlist, 0x00d6, 1))
207 exchanges[curexchange-1].charset1 = aim_gettlv_str(innerlist, 0x00d6, 1);
209 exchanges[curexchange-1].charset1 = NULL;
212 * Type 0x00d7: Language (First Time)
214 if (aim_gettlv(innerlist, 0x00d7, 1))
215 exchanges[curexchange-1].lang1 = aim_gettlv_str(innerlist, 0x00d7, 1);
217 exchanges[curexchange-1].lang1 = NULL;
220 * Type 0x00d8: Character Set (Second Time)
222 if (aim_gettlv(innerlist, 0x00d8, 1))
223 exchanges[curexchange-1].charset2 = aim_gettlv_str(innerlist, 0x00d8, 1);
225 exchanges[curexchange-1].charset2 = NULL;
228 * Type 0x00d9: Language (Second Time)
230 if (aim_gettlv(innerlist, 0x00d9, 1))
231 exchanges[curexchange-1].lang2 = aim_gettlv_str(innerlist, 0x00d9, 1);
233 exchanges[curexchange-1].lang2 = NULL;
235 aim_freetlvchain(&innerlist);
241 if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
242 ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges);
244 while(curexchange >= 0) {
245 free(exchanges[curexchange].name);
246 free(exchanges[curexchange].charset1);
247 free(exchanges[curexchange].lang1);
248 free(exchanges[curexchange].charset2);
249 free(exchanges[curexchange].lang2);
253 aim_freetlvchain(&tlvlist);
258 static int parseinfo_create(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen, struct aim_snac_t *snac2)
260 aim_rxcallback_t userfunc;
261 struct aim_tlvlist_t *tlvlist, *innerlist;
262 char *ck = NULL, *fqcn = NULL, *name = NULL;
263 unsigned short exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
264 unsigned long createtime = 0;
265 unsigned char createperms = 0;
267 struct aim_tlv_t *bigblock;
270 if (!(tlvlist = aim_readtlvchain(data, datalen))) {
271 faimdprintf(sess, 0, "unable to read top tlv in create room response\n");
275 if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) {
276 faimdprintf(sess, 0, "no bigblock in top tlv in create room response\n");
277 aim_freetlvchain(&tlvlist);
281 exchange = aimutil_get16(bigblock->value+i);
284 cklen = aimutil_get8(bigblock->value+i);
287 ck = malloc(cklen+1);
288 memcpy(ck, bigblock->value+i, cklen);
292 instance = aimutil_get16(bigblock->value+i);
295 if (aimutil_get8(bigblock->value+i) != 0x02) {
296 faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", aimutil_get8(bigblock->value+i));
297 aim_freetlvchain(&tlvlist);
303 unknown = aimutil_get16(bigblock->value+i);
306 if (!(innerlist = aim_readtlvchain(bigblock->value+i, bigblock->length-i))) {
307 faimdprintf(sess, 0, "unable to read inner tlv chain in create room response\n");
308 aim_freetlvchain(&tlvlist);
313 if (aim_gettlv(innerlist, 0x006a, 1))
314 fqcn = aim_gettlv_str(innerlist, 0x006a, 1);
316 if (aim_gettlv(innerlist, 0x00c9, 1))
317 flags = aim_gettlv16(innerlist, 0x00c9, 1);
319 if (aim_gettlv(innerlist, 0x00ca, 1))
320 createtime = aim_gettlv32(innerlist, 0x00ca, 1);
322 if (aim_gettlv(innerlist, 0x00d1, 1))
323 maxmsglen = aim_gettlv16(innerlist, 0x00d1, 1);
325 if (aim_gettlv(innerlist, 0x00d2, 1))
326 maxoccupancy = aim_gettlv16(innerlist, 0x00d2, 1);
328 if (aim_gettlv(innerlist, 0x00d3, 1))
329 name = aim_gettlv_str(innerlist, 0x00d3, 1);
331 if (aim_gettlv(innerlist, 0x00d5, 1))
332 createperms = aim_gettlv8(innerlist, 0x00d5, 1);
334 if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
335 ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck);
340 aim_freetlvchain(&innerlist);
341 aim_freetlvchain(&tlvlist);
347 * Since multiple things can trigger this callback,
348 * we must lookup the snacid to determine the original
349 * snac subtype that was called.
351 static int parseinfo(struct aim_session_t *sess, aim_module_t *mod, struct command_rx_struct *rx, aim_modsnac_t *snac, unsigned char *data, int datalen)
353 struct aim_snac_t *snac2;
356 if (!(snac2 = aim_remsnac(sess, snac->id))) {
357 faimdprintf(sess, 0, "faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snac->id);
361 if (snac2->family != 0x000d) {
362 faimdprintf(sess, 0, "faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac2->family);
367 * We now know what the original SNAC subtype was.
369 if (snac2->type == 0x0002) /* request chat rights */
370 ret = parseinfo_perms(sess, mod, rx, snac, data, datalen, snac2);
371 else if (snac2->type == 0x0003) /* request exchange info */
372 faimdprintf(sess, 0, "chatnav_parse_info: resposne to exchange info\n");
373 else if (snac2->type == 0x0004) /* request room info */
374 faimdprintf(sess, 0, "chatnav_parse_info: response to room info\n");
375 else if (snac2->type == 0x0005) /* request more room info */
376 faimdprintf(sess, 0, "chatnav_parse_info: response to more room info\n");
377 else if (snac2->type == 0x0006) /* request occupant list */
378 faimdprintf(sess, 0, "chatnav_parse_info: response to occupant info\n");
379 else if (snac2->type == 0x0007) /* search for a room */
380 faimdprintf(sess, 0, "chatnav_parse_info: search results\n");
381 else if (snac2->type == 0x0008) /* create room */
382 ret = parseinfo_create(sess, mod, rx, snac, data, datalen, snac2);
384 faimdprintf(sess, 0, "chatnav_parse_info: unknown request subtype (%04x)\n", snac2->type);
393 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)
396 if (snac->subtype == 0x0009)
397 return parseinfo(sess, mod, rx, snac, data, datalen);
402 faim_internal int chatnav_modfirst(struct aim_session_t *sess, aim_module_t *mod)
405 mod->family = 0x000d;
406 mod->version = 0x0000;
408 strncpy(mod->name, "chatnav", sizeof(mod->name));
409 mod->snachandler = snachandler;