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Commit | Line | Data |
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1 | /* | |
2 | * aim_info.c | |
3 | * | |
4 | * The functions here are responsible for requesting and parsing information- | |
5 | * gathering SNACs. | |
6 | * | |
7 | */ | |
8 | ||
9 | ||
10 | #include <faim/aim.h> | |
11 | ||
12 | struct aim_priv_inforeq { | |
13 | char sn[MAXSNLEN]; | |
14 | unsigned short infotype; | |
15 | }; | |
16 | ||
17 | u_long aim_getinfo(struct aim_session_t *sess, | |
18 | struct aim_conn_t *conn, | |
19 | const char *sn, | |
20 | unsigned short infotype) | |
21 | { | |
22 | struct command_tx_struct *newpacket; | |
23 | int i = 0; | |
24 | ||
25 | if (!sess || !conn || !sn) | |
26 | return 0; | |
27 | ||
28 | if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 12+1+strlen(sn)))) | |
29 | return -1; | |
30 | ||
31 | newpacket->lock = 1; | |
32 | ||
33 | i = aim_putsnac(newpacket->data, 0x0002, 0x0005, 0x0000, sess->snac_nextid); | |
34 | ||
35 | i += aimutil_put16(newpacket->data+i, infotype); | |
36 | i += aimutil_put8(newpacket->data+i, strlen(sn)); | |
37 | i += aimutil_putstr(newpacket->data+i, sn, strlen(sn)); | |
38 | ||
39 | newpacket->lock = 0; | |
40 | aim_tx_enqueue(sess, newpacket); | |
41 | ||
42 | { | |
43 | struct aim_snac_t snac; | |
44 | ||
45 | snac.id = sess->snac_nextid; | |
46 | snac.family = 0x0002; | |
47 | snac.type = 0x0005; | |
48 | snac.flags = 0x0000; | |
49 | ||
50 | snac.data = malloc(sizeof(struct aim_priv_inforeq)); | |
51 | strcpy(((struct aim_priv_inforeq *)snac.data)->sn, sn); | |
52 | ((struct aim_priv_inforeq *)snac.data)->infotype = infotype; | |
53 | ||
54 | aim_newsnac(sess, &snac); | |
55 | } | |
56 | ||
57 | return (sess->snac_nextid++); | |
58 | } | |
59 | ||
60 | ||
61 | /* | |
62 | * Capability blocks. | |
63 | */ | |
64 | u_char aim_caps[6][16] = { | |
65 | ||
66 | /* Buddy icon */ | |
67 | {0x09, 0x46, 0x13, 0x46, 0x4c, 0x7f, 0x11, 0xd1, | |
68 | 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, | |
69 | ||
70 | /* Voice */ | |
71 | {0x09, 0x46, 0x13, 0x41, 0x4c, 0x7f, 0x11, 0xd1, | |
72 | 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, | |
73 | ||
74 | /* IM image */ | |
75 | {0x09, 0x46, 0x13, 0x45, 0x4c, 0x7f, 0x11, 0xd1, | |
76 | 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, | |
77 | ||
78 | /* Chat */ | |
79 | {0x74, 0x8f, 0x24, 0x20, 0x62, 0x87, 0x11, 0xd1, | |
80 | 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, | |
81 | ||
82 | /* Get file */ | |
83 | {0x09, 0x46, 0x13, 0x48, 0x4c, 0x7f, 0x11, 0xd1, | |
84 | 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, | |
85 | ||
86 | /* Send file */ | |
87 | {0x09, 0x46, 0x13, 0x43, 0x4c, 0x7f, 0x11, 0xd1, | |
88 | 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00} | |
89 | }; | |
90 | ||
91 | u_short aim_getcap(unsigned char *capblock, int buflen) | |
92 | { | |
93 | u_short ret = 0; | |
94 | int y; | |
95 | int offset = 0; | |
96 | ||
97 | while (offset < buflen) { | |
98 | for(y=0; y < (sizeof(aim_caps)/0x10); y++) { | |
99 | if (memcmp(&aim_caps[y], capblock+offset, 0x10) == 0) { | |
100 | switch(y) { | |
101 | case 0: ret |= AIM_CAPS_BUDDYICON; break; | |
102 | case 1: ret |= AIM_CAPS_VOICE; break; | |
103 | case 2: ret |= AIM_CAPS_IMIMAGE; break; | |
104 | case 3: ret |= AIM_CAPS_CHAT; break; | |
105 | case 4: ret |= AIM_CAPS_GETFILE; break; | |
106 | case 5: ret |= AIM_CAPS_SENDFILE; break; | |
107 | default: ret |= 0xff00; break; | |
108 | } | |
109 | } | |
110 | } | |
111 | offset += 0x10; | |
112 | } | |
113 | return ret; | |
114 | } | |
115 | ||
116 | int aim_putcap(unsigned char *capblock, int buflen, u_short caps) | |
117 | { | |
118 | int offset = 0; | |
119 | ||
120 | if (!capblock) | |
121 | return -1; | |
122 | ||
123 | if ((caps & AIM_CAPS_BUDDYICON) && (offset < buflen)) { | |
124 | memcpy(capblock+offset, aim_caps[0], sizeof(aim_caps[0])); | |
125 | offset += sizeof(aim_caps[1]); | |
126 | } | |
127 | if ((caps & AIM_CAPS_VOICE) && (offset < buflen)) { | |
128 | memcpy(capblock+offset, aim_caps[1], sizeof(aim_caps[1])); | |
129 | offset += sizeof(aim_caps[1]); | |
130 | } | |
131 | if ((caps & AIM_CAPS_IMIMAGE) && (offset < buflen)) { | |
132 | memcpy(capblock+offset, aim_caps[2], sizeof(aim_caps[2])); | |
133 | offset += sizeof(aim_caps[2]); | |
134 | } | |
135 | if ((caps & AIM_CAPS_CHAT) && (offset < buflen)) { | |
136 | memcpy(capblock+offset, aim_caps[3], sizeof(aim_caps[3])); | |
137 | offset += sizeof(aim_caps[3]); | |
138 | } | |
139 | if ((caps & AIM_CAPS_GETFILE) && (offset < buflen)) { | |
140 | memcpy(capblock+offset, aim_caps[4], sizeof(aim_caps[4])); | |
141 | offset += sizeof(aim_caps[4]); | |
142 | } | |
143 | if ((caps & AIM_CAPS_SENDFILE) && (offset < buflen)) { | |
144 | memcpy(capblock+offset, aim_caps[5], sizeof(aim_caps[5])); | |
145 | offset += sizeof(aim_caps[5]); | |
146 | } | |
147 | ||
148 | return offset; | |
149 | } | |
150 | ||
151 | /* | |
152 | * AIM is fairly regular about providing user info. This | |
153 | * is a generic routine to extract it in its standard form. | |
154 | */ | |
155 | int aim_extractuserinfo(u_char *buf, struct aim_userinfo_s *outinfo) | |
156 | { | |
157 | int i = 0; | |
158 | int tlvcnt = 0; | |
159 | int curtlv = 0; | |
160 | int tlv1 = 0; | |
161 | u_short curtype; | |
162 | int lastvalid; | |
163 | ||
164 | ||
165 | if (!buf || !outinfo) | |
166 | return -1; | |
167 | ||
168 | /* Clear out old data first */ | |
169 | memset(outinfo, 0x00, sizeof(struct aim_userinfo_s)); | |
170 | ||
171 | /* | |
172 | * Screen name. Stored as an unterminated string prepended | |
173 | * with an unsigned byte containing its length. | |
174 | */ | |
175 | if (buf[i] < MAXSNLEN) { | |
176 | memcpy(outinfo->sn, &(buf[i+1]), buf[i]); | |
177 | outinfo->sn[(int)buf[i]] = '\0'; | |
178 | } else { | |
179 | memcpy(outinfo->sn, &(buf[i+1]), MAXSNLEN-1); | |
180 | outinfo->sn[MAXSNLEN] = '\0'; | |
181 | } | |
182 | i = 1 + (int)buf[i]; | |
183 | ||
184 | /* | |
185 | * Warning Level. Stored as an unsigned short. | |
186 | */ | |
187 | outinfo->warnlevel = aimutil_get16(&buf[i]); | |
188 | i += 2; | |
189 | ||
190 | /* | |
191 | * TLV Count. Unsigned short representing the number of | |
192 | * Type-Length-Value triples that follow. | |
193 | */ | |
194 | tlvcnt = aimutil_get16(&buf[i]); | |
195 | i += 2; | |
196 | ||
197 | /* | |
198 | * Parse out the Type-Length-Value triples as they're found. | |
199 | */ | |
200 | while (curtlv < tlvcnt) { | |
201 | lastvalid = 1; | |
202 | curtype = aimutil_get16(&buf[i]); | |
203 | switch (curtype) { | |
204 | /* | |
205 | * Type = 0x0000: Invalid | |
206 | * | |
207 | * AOL has been trying to throw these in just to break us. | |
208 | * They're real nice guys over there at AOL. | |
209 | * | |
210 | * Just skip the two zero bytes and continue on. (This doesn't | |
211 | * count towards tlvcnt!) | |
212 | */ | |
213 | case 0x0000: | |
214 | lastvalid = 0; | |
215 | i += 2; | |
216 | break; | |
217 | ||
218 | /* | |
219 | * Type = 0x0001: Member Class. | |
220 | * | |
221 | * Specified as any of the following bitwise ORed together: | |
222 | * 0x0001 Trial (user less than 60days) | |
223 | * 0x0002 Unknown bit 2 | |
224 | * 0x0004 AOL Main Service user | |
225 | * 0x0008 Unknown bit 4 | |
226 | * 0x0010 Free (AIM) user | |
227 | * 0x0020 Away | |
228 | * | |
229 | * In some odd cases, we can end up with more | |
230 | * than one of these. We only want the first, | |
231 | * as the others may not be something we want. | |
232 | * | |
233 | */ | |
234 | case 0x0001: | |
235 | if (tlv1) /* use only the first */ | |
236 | break; | |
237 | outinfo->class = aimutil_get16(&buf[i+4]); | |
238 | tlv1++; | |
239 | break; | |
240 | ||
241 | /* | |
242 | * Type = 0x0002: Member-Since date. | |
243 | * | |
244 | * The time/date that the user originally | |
245 | * registered for the service, stored in | |
246 | * time_t format | |
247 | */ | |
248 | case 0x0002: | |
249 | outinfo->membersince = aimutil_get32(&buf[i+4]); | |
250 | break; | |
251 | ||
252 | /* | |
253 | * Type = 0x0003: On-Since date. | |
254 | * | |
255 | * The time/date that the user started | |
256 | * their current session, stored in time_t | |
257 | * format. | |
258 | */ | |
259 | case 0x0003: | |
260 | outinfo->onlinesince = aimutil_get32(&buf[i+4]); | |
261 | break; | |
262 | ||
263 | /* | |
264 | * Type = 0x0004: Idle time. | |
265 | * | |
266 | * Number of seconds since the user | |
267 | * actively used the service. | |
268 | */ | |
269 | case 0x0004: | |
270 | outinfo->idletime = aimutil_get16(&buf[i+4]); | |
271 | break; | |
272 | ||
273 | /* | |
274 | * Type = 0x000d | |
275 | * | |
276 | * Capability information. Not real sure of | |
277 | * actual decoding. See comment on aim_bos_setprofile() | |
278 | * in aim_misc.c about the capability block, its the same. | |
279 | * | |
280 | */ | |
281 | case 0x000d: | |
282 | { | |
283 | int len; | |
284 | len = aimutil_get16(buf+i+2); | |
285 | if (!len) | |
286 | break; | |
287 | ||
288 | outinfo->capabilities = aim_getcap(buf+i+4, len); | |
289 | } | |
290 | break; | |
291 | ||
292 | /* | |
293 | * Type = 0x000e | |
294 | * | |
295 | * Unknown. Always of zero length, and always only | |
296 | * on AOL users. | |
297 | * | |
298 | * Ignore. | |
299 | * | |
300 | */ | |
301 | case 0x000e: | |
302 | break; | |
303 | ||
304 | /* | |
305 | * Type = 0x000f: Session Length. (AIM) | |
306 | * Type = 0x0010: Session Length. (AOL) | |
307 | * | |
308 | * The duration, in seconds, of the user's | |
309 | * current session. | |
310 | * | |
311 | * Which TLV type this comes in depends | |
312 | * on the service the user is using (AIM or AOL). | |
313 | * | |
314 | */ | |
315 | case 0x000f: | |
316 | case 0x0010: | |
317 | outinfo->sessionlen = aimutil_get32(&buf[i+4]); | |
318 | break; | |
319 | ||
320 | /* | |
321 | * Reaching here indicates that either AOL has | |
322 | * added yet another TLV for us to deal with, | |
323 | * or the parsing has gone Terribly Wrong. | |
324 | * | |
325 | * Either way, inform the owner and attempt | |
326 | * recovery. | |
327 | * | |
328 | */ | |
329 | default: | |
330 | { | |
331 | int len,z = 0, y = 0, x = 0; | |
332 | char tmpstr[80]; | |
333 | printf("faim: userinfo: **warning: unexpected TLV:\n"); | |
334 | printf("faim: userinfo: sn =%s\n", outinfo->sn); | |
335 | printf("faim: userinfo: curtlv=0x%04x\n", curtlv); | |
336 | printf("faim: userinfo: type =0x%04x\n",aimutil_get16(&buf[i])); | |
337 | printf("faim: userinfo: length=0x%04x\n", len = aimutil_get16(&buf[i+2])); | |
338 | printf("faim: userinfo: data: \n"); | |
339 | while (z<len) | |
340 | { | |
341 | x = sprintf(tmpstr, "faim: userinfo: "); | |
342 | for (y = 0; y < 8; y++) | |
343 | { | |
344 | if (z<len) | |
345 | { | |
346 | sprintf(tmpstr+x, "%02x ", buf[i+4+z]); | |
347 | z++; | |
348 | x += 3; | |
349 | } | |
350 | else | |
351 | break; | |
352 | } | |
353 | printf("%s\n", tmpstr); | |
354 | } | |
355 | } | |
356 | break; | |
357 | } | |
358 | /* | |
359 | * No matter what, TLV triplets should always look like this: | |
360 | * | |
361 | * u_short type; | |
362 | * u_short length; | |
363 | * u_char data[length]; | |
364 | * | |
365 | */ | |
366 | if (lastvalid) { | |
367 | i += (2 + 2 + aimutil_get16(&buf[i+2])); | |
368 | curtlv++; | |
369 | } | |
370 | } | |
371 | ||
372 | return i; | |
373 | } | |
374 | ||
375 | /* | |
376 | * Oncoming Buddy notifications contain a subset of the | |
377 | * user information structure. Its close enough to run | |
378 | * through aim_extractuserinfo() however. | |
379 | * | |
380 | */ | |
381 | int aim_parse_oncoming_middle(struct aim_session_t *sess, | |
382 | struct command_rx_struct *command) | |
383 | { | |
384 | struct aim_userinfo_s userinfo; | |
385 | u_int i = 0; | |
386 | rxcallback_t userfunc=NULL; | |
387 | ||
388 | i = 10; | |
389 | i += aim_extractuserinfo(command->data+i, &userinfo); | |
390 | ||
391 | userfunc = aim_callhandler(command->conn, AIM_CB_FAM_BUD, AIM_CB_BUD_ONCOMING); | |
392 | if (userfunc) | |
393 | i = userfunc(sess, command, &userinfo); | |
394 | ||
395 | return 1; | |
396 | } | |
397 | ||
398 | /* | |
399 | * Offgoing Buddy notifications contain no useful | |
400 | * information other than the name it applies to. | |
401 | * | |
402 | */ | |
403 | int aim_parse_offgoing_middle(struct aim_session_t *sess, | |
404 | struct command_rx_struct *command) | |
405 | { | |
406 | char sn[MAXSNLEN+1]; | |
407 | u_int i = 0; | |
408 | rxcallback_t userfunc=NULL; | |
409 | ||
410 | strncpy(sn, command->data+11, (int)command->data[10]); | |
411 | sn[(int)command->data[10]] = '\0'; | |
412 | ||
413 | userfunc = aim_callhandler(command->conn, AIM_CB_FAM_BUD, AIM_CB_BUD_OFFGOING); | |
414 | if (userfunc) | |
415 | i = userfunc(sess, command, sn); | |
416 | ||
417 | return 1; | |
418 | } | |
419 | ||
420 | /* | |
421 | * This parses the user info stuff out all nice and pretty then calls | |
422 | * the higher-level callback (in the user app). | |
423 | * | |
424 | */ | |
425 | int aim_parse_userinfo_middle(struct aim_session_t *sess, | |
426 | struct command_rx_struct *command) | |
427 | { | |
428 | struct aim_userinfo_s userinfo; | |
429 | char *text_encoding = NULL; | |
430 | char *text = NULL; | |
431 | u_int i = 0; | |
432 | rxcallback_t userfunc=NULL; | |
433 | struct aim_tlvlist_t *tlvlist; | |
434 | struct aim_snac_t *origsnac = NULL; | |
435 | u_long snacid; | |
436 | struct aim_priv_inforeq *inforeq; | |
437 | ||
438 | snacid = aimutil_get32(&command->data[6]); | |
439 | origsnac = aim_remsnac(sess, snacid); | |
440 | ||
441 | if (!origsnac || !origsnac->data) { | |
442 | printf("faim: parse_userinfo_middle: major problem: no snac stored!\n"); | |
443 | return 1; | |
444 | } | |
445 | ||
446 | inforeq = (struct aim_priv_inforeq *)origsnac->data; | |
447 | ||
448 | switch (inforeq->infotype) { | |
449 | case AIM_GETINFO_GENERALINFO: | |
450 | case AIM_GETINFO_AWAYMESSAGE: | |
451 | i = 10; | |
452 | ||
453 | /* | |
454 | * extractuserinfo will give us the basic metaTLV information | |
455 | */ | |
456 | i += aim_extractuserinfo(command->data+i, &userinfo); | |
457 | ||
458 | /* | |
459 | * However, in this command, there's usually more TLVs following... | |
460 | */ | |
461 | tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i); | |
462 | ||
463 | /* | |
464 | * Depending on what informational text was requested, different | |
465 | * TLVs will appear here. | |
466 | * | |
467 | * Profile will be 1 and 2, away message will be 3 and 4. | |
468 | */ | |
469 | if (aim_gettlv(tlvlist, 0x0001, 1)) { | |
470 | text_encoding = aim_gettlv_str(tlvlist, 0x0001, 1); | |
471 | text = aim_gettlv_str(tlvlist, 0x0002, 1); | |
472 | } else if (aim_gettlv(tlvlist, 0x0003, 1)) { | |
473 | text_encoding = aim_gettlv_str(tlvlist, 0x0003, 1); | |
474 | text = aim_gettlv_str(tlvlist, 0x0004, 1); | |
475 | } | |
476 | ||
477 | userfunc = aim_callhandler(command->conn, AIM_CB_FAM_LOC, AIM_CB_LOC_USERINFO); | |
478 | if (userfunc) { | |
479 | i = userfunc(sess, | |
480 | command, | |
481 | &userinfo, | |
482 | text_encoding, | |
483 | text, | |
484 | inforeq->infotype); | |
485 | } | |
486 | ||
487 | free(text_encoding); | |
488 | free(text); | |
489 | aim_freetlvchain(&tlvlist); | |
490 | break; | |
491 | default: | |
492 | printf("faim: parse_userinfo_middle: unknown infotype in request! (0x%04x)\n", inforeq->infotype); | |
493 | break; | |
494 | } | |
495 | ||
496 | if (origsnac) { | |
497 | if (origsnac->data) | |
498 | free(origsnac->data); | |
499 | free(origsnac); | |
500 | } | |
501 | ||
502 | return 1; | |
503 | } | |
504 | ||
505 | /* | |
506 | * Inverse of aim_extractuserinfo() | |
507 | */ | |
508 | int aim_putuserinfo(u_char *buf, int buflen, struct aim_userinfo_s *info) | |
509 | { | |
510 | int i = 0; | |
511 | struct aim_tlvlist_t *tlvlist = NULL; | |
512 | ||
513 | if (!buf || !info) | |
514 | return 0; | |
515 | ||
516 | i += aimutil_put8(buf+i, strlen(info->sn)); | |
517 | i += aimutil_putstr(buf+i, info->sn, strlen(info->sn)); | |
518 | ||
519 | i += aimutil_put16(buf+i, info->warnlevel); | |
520 | ||
521 | /* XXX: we only put down five */ | |
522 | i += aimutil_put16(buf+i, 5); | |
523 | aim_addtlvtochain16(&tlvlist, 0x0001, info->class); | |
524 | aim_addtlvtochain32(&tlvlist, 0x0002, info->membersince); | |
525 | aim_addtlvtochain32(&tlvlist, 0x0003, info->onlinesince); | |
526 | aim_addtlvtochain16(&tlvlist, 0x0004, info->idletime); | |
527 | /* XXX: should put caps here */ | |
528 | aim_addtlvtochain32(&tlvlist, (info->class)&AIM_CLASS_AOL?0x0010:0x000f, info->sessionlen); | |
529 | ||
530 | i += aim_writetlvchain(buf+i, buflen-i, &tlvlist); | |
531 | aim_freetlvchain(&tlvlist); | |
532 | ||
533 | return i; | |
534 | } | |
535 | ||
536 | int aim_sendbuddyoncoming(struct aim_session_t *sess, struct aim_conn_t *conn, struct aim_userinfo_s *info) | |
537 | { | |
538 | struct command_tx_struct *tx; | |
539 | int i = 0; | |
540 | ||
541 | if (!sess || !conn || !info) | |
542 | return 0; | |
543 | ||
544 | if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152))) | |
545 | return -1; | |
546 | ||
547 | tx->lock = 1; | |
548 | ||
549 | i += aimutil_put16(tx->data+i, 0x0003); | |
550 | i += aimutil_put16(tx->data+i, 0x000b); | |
551 | i += aimutil_put16(tx->data+i, 0x0000); | |
552 | i += aimutil_put16(tx->data+i, 0x0000); | |
553 | i += aimutil_put16(tx->data+i, 0x0000); | |
554 | ||
555 | i += aim_putuserinfo(tx->data+i, tx->commandlen-i, info); | |
556 | ||
557 | tx->commandlen = i; | |
558 | tx->lock = 0; | |
559 | aim_tx_enqueue(sess, tx); | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
564 | int aim_sendbuddyoffgoing(struct aim_session_t *sess, struct aim_conn_t *conn, char *sn) | |
565 | { | |
566 | struct command_tx_struct *tx; | |
567 | int i = 0; | |
568 | ||
569 | if (!sess || !conn || !sn) | |
570 | return 0; | |
571 | ||
572 | if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+1+strlen(sn)))) | |
573 | return -1; | |
574 | ||
575 | tx->lock = 1; | |
576 | ||
577 | i += aimutil_put16(tx->data+i, 0x0003); | |
578 | i += aimutil_put16(tx->data+i, 0x000c); | |
579 | i += aimutil_put16(tx->data+i, 0x0000); | |
580 | i += aimutil_put16(tx->data+i, 0x0000); | |
581 | i += aimutil_put16(tx->data+i, 0x0000); | |
582 | ||
583 | i += aimutil_put8(tx->data+i, strlen(sn)); | |
584 | i += aimutil_putstr(tx->data+i, sn, strlen(sn)); | |
585 | ||
586 | tx->lock = 0; | |
587 | aim_tx_enqueue(sess, tx); | |
588 | ||
589 | return 0; | |
590 | } | |
591 |