]> andersk Git - libfaim.git/blame - src/chatnav.c
- Mon Sep 3 18:48:26 PDT 2001
[libfaim.git] / src / chatnav.c
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9de3ca7e 1/*
37ee990e 2 * Handle ChatNav.
9de3ca7e 3 *
37ee990e 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.]
9de3ca7e 7 *
8 */
9
37ee990e 10#define FAIM_INTERNAL
dd60ff8b 11#include <aim.h>
9de3ca7e 12
0c20631f 13/*
14 * conn must be a chatnav connection!
15 */
d410cf58 16faim_export int aim_chatnav_reqrights(aim_session_t *sess, aim_conn_t *conn)
0c20631f 17{
d410cf58 18 return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002);
0c20631f 19}
20
d410cf58 21faim_export int aim_chatnav_clientready(aim_session_t *sess, aim_conn_t *conn)
0c20631f 22{
d410cf58 23 aim_frame_t *fr;
24 aim_snacid_t snacid;
0c20631f 25
d410cf58 26 if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 0x20)))
27 return -ENOMEM;
0c20631f 28
d410cf58 29 snacid = aim_cachesnac(sess, 0x0001, 0x0002, 0x0000, NULL, 0);
30 aim_putsnac(&fr->data, 0x0001, 0x0002, 0x0000, snacid);
0c20631f 31
d410cf58 32 aimbs_put16(&fr->data, 0x000d);
33 aimbs_put16(&fr->data, 0x0001);
0c20631f 34
d410cf58 35 aimbs_put16(&fr->data, 0x0004);
36 aimbs_put16(&fr->data, 0x0001);
0c20631f 37
d410cf58 38 aimbs_put16(&fr->data, 0x0001);
39 aimbs_put16(&fr->data, 0x0003);
0c20631f 40
d410cf58 41 aimbs_put16(&fr->data, 0x0004);
42 aimbs_put16(&fr->data, 0x0686);
5b79dc93 43
d410cf58 44 aim_tx_enqueue(sess, fr);
0c20631f 45
d410cf58 46 return 0;
0c20631f 47}
48
d410cf58 49faim_export int aim_chatnav_createroom(aim_session_t *sess, aim_conn_t *conn, const char *name, fu16_t exchange)
0c20631f 50{
d410cf58 51 aim_frame_t *fr;
52 aim_snacid_t snacid;
53 aim_tlvlist_t *tl = NULL;
54
55 if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+12+strlen("invite")+strlen(name))))
56 return -ENOMEM;
0c20631f 57
d410cf58 58 snacid = aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0);
59 aim_putsnac(&fr->data, 0x000d, 0x0008, 0x0000, snacid);
0c20631f 60
d410cf58 61 /* exchange */
62 aimbs_put16(&fr->data, exchange);
0c20631f 63
d410cf58 64 /* room cookie */
65 aimbs_put8(&fr->data, strlen("invite"));
66 aimbs_putraw(&fr->data, "invite", strlen("invite"));
0c20631f 67
d410cf58 68 /*
69 * instance
70 *
71 * Setting this to 0xffff apparently assigns the last instance.
72 *
73 */
74 aimbs_put16(&fr->data, 0xffff);
0c20631f 75
d410cf58 76 /* detail level */
77 aimbs_put8(&fr->data, 0x01);
0c20631f 78
d410cf58 79 /* room name */
80 aim_addtlvtochain_raw(&tl, 0x00d3, strlen(name), name);
0c20631f 81
d410cf58 82 /* tlvcount */
83 aimbs_put16(&fr->data, aim_counttlvchain(&tl));
84 aim_writetlvchain(&fr->data, &tl);
0c20631f 85
d410cf58 86 aim_freetlvchain(&tl);
0c20631f 87
d410cf58 88 aim_tx_enqueue(sess, fr);
0c20631f 89
d410cf58 90 return 0;
0c20631f 91}
00ef5271 92
d410cf58 93static int parseinfo_perms(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs, aim_snac_t *snac2)
00ef5271 94{
d410cf58 95 aim_rxcallback_t userfunc;
96 int ret = 0;
97 struct aim_chat_exchangeinfo *exchanges = NULL;
98 int curexchange;
99 aim_tlv_t *exchangetlv;
100 fu8_t maxrooms = 0;
101 aim_tlvlist_t *tlvlist, *innerlist;
102
103 tlvlist = aim_readtlvchain(bs);
104
105 /*
106 * Type 0x0002: Maximum concurrent rooms.
107 */
108 if (aim_gettlv(tlvlist, 0x0002, 1))
109 maxrooms = aim_gettlv8(tlvlist, 0x0002, 1);
110
111 /*
112 * Type 0x0003: Exchange information
113 *
114 * There can be any number of these, each one
115 * representing another exchange.
116 *
117 */
118 for (curexchange = 0; ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))); ) {
119 aim_bstream_t tbs;
120
121 aim_bstream_init(&tbs, exchangetlv->value, exchangetlv->length);
122
123 curexchange++;
124
125 exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo));
126
127 /* exchange number */
128 exchanges[curexchange-1].number = aimbs_get16(&tbs);
129 innerlist = aim_readtlvchain(&tbs);
130
131 /*
132 * Type 0x000d: Unknown.
133 */
134 if (aim_gettlv(innerlist, 0x000d, 1))
135 ;
136
137 /*
138 * Type 0x0004: Unknown
139 */
140 if (aim_gettlv(innerlist, 0x0004, 1))
141 ;
142
143 /*
144 * Type 0x0002: Unknown
145 */
146 if (aim_gettlv(innerlist, 0x0002, 1)) {
147 fu16_t classperms;
148
149 classperms = aim_gettlv16(innerlist, 0x0002, 1);
150
151 faimdprintf(sess, 1, "faim: class permissions %x\n", classperms);
152 }
153
154 /*
155 * Type 0x00c9: Unknown
156 */
157 if (aim_gettlv(innerlist, 0x00c9, 1))
158 ;
159
160 /*
161 * Type 0x00ca: Creation Date
162 */
163 if (aim_gettlv(innerlist, 0x00ca, 1))
164 ;
165
166 /*
167 * Type 0x00d0: Mandatory Channels?
168 */
169 if (aim_gettlv(innerlist, 0x00d0, 1))
170 ;
171
172 /*
173 * Type 0x00d1: Maximum Message length
174 */
175 if (aim_gettlv(innerlist, 0x00d1, 1))
176 ;
177
178 /*
179 * Type 0x00d2: Maximum Occupancy?
180 */
181 if (aim_gettlv(innerlist, 0x00d2, 1))
182 ;
183
184 /*
185 * Type 0x00d3: Exchange Name
186 */
187 if (aim_gettlv(innerlist, 0x00d3, 1))
188 exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1);
189 else
190 exchanges[curexchange-1].name = NULL;
191
192 /*
193 * Type 0x00d5: Creation Permissions
194 *
195 * 0 Creation not allowed
196 * 1 Room creation allowed
197 * 2 Exchange creation allowed
198 *
199 */
200 if (aim_gettlv(innerlist, 0x00d5, 1)) {
201 fu8_t createperms;
202
203 createperms = aim_gettlv8(innerlist, 0x00d5, 1);
204 }
205
206 /*
207 * Type 0x00d6: Character Set (First Time)
208 */
209 if (aim_gettlv(innerlist, 0x00d6, 1))
210 exchanges[curexchange-1].charset1 = aim_gettlv_str(innerlist, 0x00d6, 1);
211 else
212 exchanges[curexchange-1].charset1 = NULL;
213
214 /*
215 * Type 0x00d7: Language (First Time)
216 */
217 if (aim_gettlv(innerlist, 0x00d7, 1))
218 exchanges[curexchange-1].lang1 = aim_gettlv_str(innerlist, 0x00d7, 1);
219 else
220 exchanges[curexchange-1].lang1 = NULL;
221
222 /*
223 * Type 0x00d8: Character Set (Second Time)
224 */
225 if (aim_gettlv(innerlist, 0x00d8, 1))
226 exchanges[curexchange-1].charset2 = aim_gettlv_str(innerlist, 0x00d8, 1);
227 else
228 exchanges[curexchange-1].charset2 = NULL;
229
230 /*
231 * Type 0x00d9: Language (Second Time)
232 */
233 if (aim_gettlv(innerlist, 0x00d9, 1))
234 exchanges[curexchange-1].lang2 = aim_gettlv_str(innerlist, 0x00d9, 1);
235 else
236 exchanges[curexchange-1].lang2 = NULL;
237
238 aim_freetlvchain(&innerlist);
239 }
240
241 /*
242 * Call client.
243 */
244 if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
245 ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges);
246
247 for (curexchange--; curexchange >= 0; curexchange++) {
248 free(exchanges[curexchange].name);
249 free(exchanges[curexchange].charset1);
250 free(exchanges[curexchange].lang1);
251 free(exchanges[curexchange].charset2);
252 free(exchanges[curexchange].lang2);
253 curexchange--;
254 }
255 free(exchanges);
256 aim_freetlvchain(&tlvlist);
257
258 return ret;
00ef5271 259}
260
d410cf58 261static int parseinfo_create(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs, aim_snac_t *snac2)
00ef5271 262{
d410cf58 263 aim_rxcallback_t userfunc;
264 aim_tlvlist_t *tlvlist, *innerlist;
265 char *ck = NULL, *fqcn = NULL, *name = NULL;
266 fu16_t exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0;
267 fu32_t createtime = 0;
268 fu8_t createperms = 0, detaillevel;
269 int cklen;
270 aim_tlv_t *bigblock;
271 int ret = 0;
272 aim_bstream_t bbbs;
273
274 tlvlist = aim_readtlvchain(bs);
275
276 if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) {
277 faimdprintf(sess, 0, "no bigblock in top tlv in create room response\n");
278 aim_freetlvchain(&tlvlist);
279 return 0;
280 }
281
282 aim_bstream_init(&bbbs, bigblock->value, bigblock->length);
283
284 exchange = aimbs_get16(&bbbs);
285 cklen = aimbs_get8(&bbbs);
286 ck = aimbs_getstr(&bbbs, cklen);
287 instance = aimbs_get16(&bbbs);
288 detaillevel = aimbs_get8(&bbbs);
289
290 if (detaillevel != 0x02) {
291 faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", detaillevel);
292 aim_freetlvchain(&tlvlist);
293 free(ck);
294 return 0;
295 }
296
297 unknown = aimbs_get16(&bbbs);
298
299 innerlist = aim_readtlvchain(&bbbs);
300
301 if (aim_gettlv(innerlist, 0x006a, 1))
302 fqcn = aim_gettlv_str(innerlist, 0x006a, 1);
303
304 if (aim_gettlv(innerlist, 0x00c9, 1))
305 flags = aim_gettlv16(innerlist, 0x00c9, 1);
306
307 if (aim_gettlv(innerlist, 0x00ca, 1))
308 createtime = aim_gettlv32(innerlist, 0x00ca, 1);
309
310 if (aim_gettlv(innerlist, 0x00d1, 1))
311 maxmsglen = aim_gettlv16(innerlist, 0x00d1, 1);
312
313 if (aim_gettlv(innerlist, 0x00d2, 1))
314 maxoccupancy = aim_gettlv16(innerlist, 0x00d2, 1);
315
316 if (aim_gettlv(innerlist, 0x00d3, 1))
317 name = aim_gettlv_str(innerlist, 0x00d3, 1);
318
319 if (aim_gettlv(innerlist, 0x00d5, 1))
320 createperms = aim_gettlv8(innerlist, 0x00d5, 1);
321
322 if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) {
323 ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck);
324 }
325
326 free(ck);
327 free(name);
328 free(fqcn);
329 aim_freetlvchain(&innerlist);
330 aim_freetlvchain(&tlvlist);
331
332 return ret;
00ef5271 333}
334
335/*
d410cf58 336 * Since multiple things can trigger this callback, we must lookup the
337 * snacid to determine the original snac subtype that was called.
00ef5271 338 */
d410cf58 339static int parseinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
00ef5271 340{
d410cf58 341 aim_snac_t *snac2;
342 int ret = 0;
343
344 if (!(snac2 = aim_remsnac(sess, snac->id))) {
345 faimdprintf(sess, 0, "faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snac->id);
346 return 0;
347 }
348
349 if (snac2->family != 0x000d) {
350 faimdprintf(sess, 0, "faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac2->family);
351 return 0;
352 }
353
354 /*
355 * We now know what the original SNAC subtype was.
356 */
357 if (snac2->type == 0x0002) /* request chat rights */
358 ret = parseinfo_perms(sess, mod, rx, snac, bs, snac2);
359 else if (snac2->type == 0x0003) /* request exchange info */
360 faimdprintf(sess, 0, "chatnav_parse_info: resposne to exchange info\n");
361 else if (snac2->type == 0x0004) /* request room info */
362 faimdprintf(sess, 0, "chatnav_parse_info: response to room info\n");
363 else if (snac2->type == 0x0005) /* request more room info */
364 faimdprintf(sess, 0, "chatnav_parse_info: response to more room info\n");
365 else if (snac2->type == 0x0006) /* request occupant list */
366 faimdprintf(sess, 0, "chatnav_parse_info: response to occupant info\n");
367 else if (snac2->type == 0x0007) /* search for a room */
368 faimdprintf(sess, 0, "chatnav_parse_info: search results\n");
369 else if (snac2->type == 0x0008) /* create room */
370 ret = parseinfo_create(sess, mod, rx, snac, bs, snac2);
371 else
372 faimdprintf(sess, 0, "chatnav_parse_info: unknown request subtype (%04x)\n", snac2->type);
373
374 if (snac2)
375 free(snac2->data);
376 free(snac2);
377
378 return ret;
00ef5271 379}
380
d410cf58 381static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
00ef5271 382{
383
d410cf58 384 if (snac->subtype == 0x0009)
385 return parseinfo(sess, mod, rx, snac, bs);
00ef5271 386
d410cf58 387 return 0;
00ef5271 388}
389
d410cf58 390faim_internal int chatnav_modfirst(aim_session_t *sess, aim_module_t *mod)
00ef5271 391{
392
d410cf58 393 mod->family = 0x000d;
394 mod->version = 0x0000;
395 mod->flags = 0;
396 strncpy(mod->name, "chatnav", sizeof(mod->name));
397 mod->snachandler = snachandler;
00ef5271 398
d410cf58 399 return 0;
00ef5271 400}
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