[5e53c4a] | 1 | /* |
---|
| 2 | * aim_rxhandlers.c |
---|
| 3 | * |
---|
| 4 | * This file contains most all of the incoming packet handlers, along |
---|
| 5 | * with aim_rxdispatch(), the Rx dispatcher. Queue/list management is |
---|
| 6 | * actually done in aim_rxqueue.c. |
---|
| 7 | * |
---|
| 8 | */ |
---|
| 9 | |
---|
| 10 | #define FAIM_INTERNAL |
---|
| 11 | #include <aim.h> |
---|
| 12 | |
---|
| 13 | struct aim_rxcblist_s { |
---|
| 14 | fu16_t family; |
---|
| 15 | fu16_t type; |
---|
| 16 | aim_rxcallback_t handler; |
---|
| 17 | u_short flags; |
---|
| 18 | struct aim_rxcblist_s *next; |
---|
| 19 | }; |
---|
| 20 | |
---|
| 21 | faim_internal aim_module_t *aim__findmodulebygroup(aim_session_t *sess, fu16_t group) |
---|
| 22 | { |
---|
| 23 | aim_module_t *cur; |
---|
| 24 | |
---|
| 25 | for (cur = (aim_module_t *)sess->modlistv; cur; cur = cur->next) { |
---|
| 26 | if (cur->family == group) |
---|
| 27 | return cur; |
---|
| 28 | } |
---|
| 29 | |
---|
| 30 | return NULL; |
---|
| 31 | } |
---|
| 32 | |
---|
| 33 | faim_internal aim_module_t *aim__findmodule(aim_session_t *sess, const char *name) |
---|
| 34 | { |
---|
| 35 | aim_module_t *cur; |
---|
| 36 | |
---|
| 37 | for (cur = (aim_module_t *)sess->modlistv; cur; cur = cur->next) { |
---|
| 38 | if (strcmp(name, cur->name) == 0) |
---|
| 39 | return cur; |
---|
| 40 | } |
---|
| 41 | |
---|
| 42 | return NULL; |
---|
| 43 | } |
---|
| 44 | |
---|
| 45 | faim_internal int aim__registermodule(aim_session_t *sess, int (*modfirst)(aim_session_t *, aim_module_t *)) |
---|
| 46 | { |
---|
| 47 | aim_module_t *mod; |
---|
| 48 | |
---|
| 49 | if (!sess || !modfirst) |
---|
| 50 | return -1; |
---|
| 51 | |
---|
| 52 | if (!(mod = malloc(sizeof(aim_module_t)))) |
---|
| 53 | return -1; |
---|
| 54 | memset(mod, 0, sizeof(aim_module_t)); |
---|
| 55 | |
---|
| 56 | if (modfirst(sess, mod) == -1) { |
---|
| 57 | free(mod); |
---|
| 58 | return -1; |
---|
| 59 | } |
---|
| 60 | |
---|
| 61 | if (aim__findmodule(sess, mod->name)) { |
---|
| 62 | if (mod->shutdown) |
---|
| 63 | mod->shutdown(sess, mod); |
---|
| 64 | free(mod); |
---|
| 65 | return -1; |
---|
| 66 | } |
---|
| 67 | |
---|
| 68 | mod->next = (aim_module_t *)sess->modlistv; |
---|
| 69 | (aim_module_t *)sess->modlistv = mod; |
---|
| 70 | |
---|
| 71 | faimdprintf(sess, 1, "registered module %s (family 0x%04x, version = 0x%04x, tool 0x%04x, tool version 0x%04x)\n", mod->name, mod->family, mod->version, mod->toolid, mod->toolversion); |
---|
| 72 | |
---|
| 73 | return 0; |
---|
| 74 | } |
---|
| 75 | |
---|
| 76 | faim_internal void aim__shutdownmodules(aim_session_t *sess) |
---|
| 77 | { |
---|
| 78 | aim_module_t *cur; |
---|
| 79 | |
---|
| 80 | for (cur = (aim_module_t *)sess->modlistv; cur; ) { |
---|
| 81 | aim_module_t *tmp; |
---|
| 82 | |
---|
| 83 | tmp = cur->next; |
---|
| 84 | |
---|
| 85 | if (cur->shutdown) |
---|
| 86 | cur->shutdown(sess, cur); |
---|
| 87 | |
---|
| 88 | free(cur); |
---|
| 89 | |
---|
| 90 | cur = tmp; |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | sess->modlistv = NULL; |
---|
| 94 | |
---|
| 95 | return; |
---|
| 96 | } |
---|
| 97 | |
---|
| 98 | static int consumesnac(aim_session_t *sess, aim_frame_t *rx) |
---|
| 99 | { |
---|
| 100 | aim_module_t *cur; |
---|
| 101 | aim_modsnac_t snac; |
---|
| 102 | |
---|
| 103 | if (aim_bstream_empty(&rx->data) < 10) |
---|
| 104 | return 0; |
---|
| 105 | |
---|
| 106 | snac.family = aimbs_get16(&rx->data); |
---|
| 107 | snac.subtype = aimbs_get16(&rx->data); |
---|
| 108 | snac.flags = aimbs_get16(&rx->data); |
---|
| 109 | snac.id = aimbs_get32(&rx->data); |
---|
| 110 | |
---|
| 111 | for (cur = (aim_module_t *)sess->modlistv; cur; cur = cur->next) { |
---|
| 112 | |
---|
| 113 | if (!(cur->flags & AIM_MODFLAG_MULTIFAMILY) && |
---|
| 114 | (cur->family != snac.family)) |
---|
| 115 | continue; |
---|
| 116 | |
---|
| 117 | if (cur->snachandler(sess, cur, rx, &snac, &rx->data)) |
---|
| 118 | return 1; |
---|
| 119 | |
---|
| 120 | } |
---|
| 121 | |
---|
| 122 | return 0; |
---|
| 123 | } |
---|
| 124 | |
---|
| 125 | static int consumenonsnac(aim_session_t *sess, aim_frame_t *rx, fu16_t family, fu16_t subtype) |
---|
| 126 | { |
---|
| 127 | aim_module_t *cur; |
---|
| 128 | aim_modsnac_t snac; |
---|
| 129 | |
---|
| 130 | snac.family = family; |
---|
| 131 | snac.subtype = subtype; |
---|
| 132 | snac.flags = snac.id = 0; |
---|
| 133 | |
---|
| 134 | for (cur = (aim_module_t *)sess->modlistv; cur; cur = cur->next) { |
---|
| 135 | |
---|
| 136 | if (!(cur->flags & AIM_MODFLAG_MULTIFAMILY) && |
---|
| 137 | (cur->family != snac.family)) |
---|
| 138 | continue; |
---|
| 139 | |
---|
| 140 | if (cur->snachandler(sess, cur, rx, &snac, &rx->data)) |
---|
| 141 | return 1; |
---|
| 142 | |
---|
| 143 | } |
---|
| 144 | |
---|
| 145 | return 0; |
---|
| 146 | } |
---|
| 147 | |
---|
| 148 | static int negchan_middle(aim_session_t *sess, aim_frame_t *fr) |
---|
| 149 | { |
---|
| 150 | aim_tlvlist_t *tlvlist; |
---|
| 151 | char *msg = NULL; |
---|
| 152 | fu16_t code = 0; |
---|
| 153 | aim_rxcallback_t userfunc; |
---|
| 154 | int ret = 1; |
---|
| 155 | |
---|
| 156 | if (aim_bstream_empty(&fr->data) == 0) { |
---|
| 157 | /* XXX should do something with this */ |
---|
| 158 | return 1; |
---|
| 159 | } |
---|
| 160 | |
---|
| 161 | /* Used only by the older login protocol */ |
---|
| 162 | /* XXX remove this special case? */ |
---|
| 163 | if (fr->conn->type == AIM_CONN_TYPE_AUTH) |
---|
| 164 | return consumenonsnac(sess, fr, 0x0017, 0x0003); |
---|
| 165 | |
---|
| 166 | tlvlist = aim_readtlvchain(&fr->data); |
---|
| 167 | |
---|
| 168 | if (aim_gettlv(tlvlist, 0x0009, 1)) |
---|
| 169 | code = aim_gettlv16(tlvlist, 0x0009, 1); |
---|
| 170 | |
---|
| 171 | if (aim_gettlv(tlvlist, 0x000b, 1)) |
---|
| 172 | msg = aim_gettlv_str(tlvlist, 0x000b, 1); |
---|
| 173 | |
---|
| 174 | if ((userfunc = aim_callhandler(sess, fr->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_CONNERR))) |
---|
| 175 | ret = userfunc(sess, fr, code, msg); |
---|
| 176 | |
---|
| 177 | aim_freetlvchain(&tlvlist); |
---|
| 178 | |
---|
| 179 | free(msg); |
---|
| 180 | |
---|
| 181 | return ret; |
---|
| 182 | } |
---|
| 183 | |
---|
| 184 | /* |
---|
| 185 | * Bleck functions get called when there's no non-bleck functions |
---|
| 186 | * around to cleanup the mess... |
---|
| 187 | */ |
---|
| 188 | faim_internal int bleck(aim_session_t *sess, aim_frame_t *frame, ...) |
---|
| 189 | { |
---|
| 190 | fu16_t family, subtype; |
---|
| 191 | fu16_t maxf, maxs; |
---|
| 192 | |
---|
| 193 | static const char *channels[6] = { |
---|
| 194 | "Invalid (0)", |
---|
| 195 | "FLAP Version", |
---|
| 196 | "SNAC", |
---|
| 197 | "Invalid (3)", |
---|
| 198 | "Negotiation", |
---|
| 199 | "FLAP NOP" |
---|
| 200 | }; |
---|
| 201 | static const int maxchannels = 5; |
---|
| 202 | |
---|
| 203 | /* XXX: this is ugly. and big just for debugging. */ |
---|
| 204 | static const char *literals[14][25] = { |
---|
| 205 | {"Invalid", |
---|
| 206 | NULL |
---|
| 207 | }, |
---|
| 208 | {"General", |
---|
| 209 | "Invalid", |
---|
| 210 | "Error", |
---|
| 211 | "Client Ready", |
---|
| 212 | "Server Ready", |
---|
| 213 | "Service Request", |
---|
| 214 | "Redirect", |
---|
| 215 | "Rate Information Request", |
---|
| 216 | "Rate Information", |
---|
| 217 | "Rate Information Ack", |
---|
| 218 | NULL, |
---|
| 219 | "Rate Information Change", |
---|
| 220 | "Server Pause", |
---|
| 221 | NULL, |
---|
| 222 | "Server Resume", |
---|
| 223 | "Request Personal User Information", |
---|
| 224 | "Personal User Information", |
---|
| 225 | "Evil Notification", |
---|
| 226 | NULL, |
---|
| 227 | "Migration notice", |
---|
| 228 | "Message of the Day", |
---|
| 229 | "Set Privacy Flags", |
---|
| 230 | "Well Known URL", |
---|
| 231 | "NOP" |
---|
| 232 | }, |
---|
| 233 | {"Location", |
---|
| 234 | "Invalid", |
---|
| 235 | "Error", |
---|
| 236 | "Request Rights", |
---|
| 237 | "Rights Information", |
---|
| 238 | "Set user information", |
---|
| 239 | "Request User Information", |
---|
| 240 | "User Information", |
---|
| 241 | "Watcher Sub Request", |
---|
| 242 | "Watcher Notification" |
---|
| 243 | }, |
---|
| 244 | {"Buddy List Management", |
---|
| 245 | "Invalid", |
---|
| 246 | "Error", |
---|
| 247 | "Request Rights", |
---|
| 248 | "Rights Information", |
---|
| 249 | "Add Buddy", |
---|
| 250 | "Remove Buddy", |
---|
| 251 | "Watcher List Query", |
---|
| 252 | "Watcher List Response", |
---|
| 253 | "Watcher SubRequest", |
---|
| 254 | "Watcher Notification", |
---|
| 255 | "Reject Notification", |
---|
| 256 | "Oncoming Buddy", |
---|
| 257 | "Offgoing Buddy" |
---|
| 258 | }, |
---|
| 259 | {"Messeging", |
---|
| 260 | "Invalid", |
---|
| 261 | "Error", |
---|
| 262 | "Add ICBM Parameter", |
---|
| 263 | "Remove ICBM Parameter", |
---|
| 264 | "Request Parameter Information", |
---|
| 265 | "Parameter Information", |
---|
| 266 | "Outgoing Message", |
---|
| 267 | "Incoming Message", |
---|
| 268 | "Evil Request", |
---|
| 269 | "Evil Reply", |
---|
| 270 | "Missed Calls", |
---|
| 271 | "Message Error", |
---|
| 272 | "Host Ack" |
---|
| 273 | }, |
---|
| 274 | {"Advertisements", |
---|
| 275 | "Invalid", |
---|
| 276 | "Error", |
---|
| 277 | "Request Ad", |
---|
| 278 | "Ad Data (GIFs)" |
---|
| 279 | }, |
---|
| 280 | {"Invitation / Client-to-Client", |
---|
| 281 | "Invalid", |
---|
| 282 | "Error", |
---|
| 283 | "Invite a Friend", |
---|
| 284 | "Invitation Ack" |
---|
| 285 | }, |
---|
| 286 | {"Administrative", |
---|
| 287 | "Invalid", |
---|
| 288 | "Error", |
---|
| 289 | "Information Request", |
---|
| 290 | "Information Reply", |
---|
| 291 | "Information Change Request", |
---|
| 292 | "Information Chat Reply", |
---|
| 293 | "Account Confirm Request", |
---|
| 294 | "Account Confirm Reply", |
---|
| 295 | "Account Delete Request", |
---|
| 296 | "Account Delete Reply" |
---|
| 297 | }, |
---|
| 298 | {"Popups", |
---|
| 299 | "Invalid", |
---|
| 300 | "Error", |
---|
| 301 | "Display Popup" |
---|
| 302 | }, |
---|
| 303 | {"BOS", |
---|
| 304 | "Invalid", |
---|
| 305 | "Error", |
---|
| 306 | "Request Rights", |
---|
| 307 | "Rights Response", |
---|
| 308 | "Set group permission mask", |
---|
| 309 | "Add permission list entries", |
---|
| 310 | "Delete permission list entries", |
---|
| 311 | "Add deny list entries", |
---|
| 312 | "Delete deny list entries", |
---|
| 313 | "Server Error" |
---|
| 314 | }, |
---|
| 315 | {"User Lookup", |
---|
| 316 | "Invalid", |
---|
| 317 | "Error", |
---|
| 318 | "Search Request", |
---|
| 319 | "Search Response" |
---|
| 320 | }, |
---|
| 321 | {"Stats", |
---|
| 322 | "Invalid", |
---|
| 323 | "Error", |
---|
| 324 | "Set minimum report interval", |
---|
| 325 | "Report Events" |
---|
| 326 | }, |
---|
| 327 | {"Translate", |
---|
| 328 | "Invalid", |
---|
| 329 | "Error", |
---|
| 330 | "Translate Request", |
---|
| 331 | "Translate Reply", |
---|
| 332 | }, |
---|
| 333 | {"Chat Navigation", |
---|
| 334 | "Invalid", |
---|
| 335 | "Error", |
---|
| 336 | "Request rights", |
---|
| 337 | "Request Exchange Information", |
---|
| 338 | "Request Room Information", |
---|
| 339 | "Request Occupant List", |
---|
| 340 | "Search for Room", |
---|
| 341 | "Outgoing Message", |
---|
| 342 | "Incoming Message", |
---|
| 343 | "Evil Request", |
---|
| 344 | "Evil Reply", |
---|
| 345 | "Chat Error", |
---|
| 346 | } |
---|
| 347 | }; |
---|
| 348 | |
---|
| 349 | maxf = sizeof(literals) / sizeof(literals[0]); |
---|
| 350 | maxs = sizeof(literals[0]) / sizeof(literals[0][0]); |
---|
| 351 | |
---|
| 352 | if (frame->hdr.flap.type == 0x02) { |
---|
| 353 | |
---|
| 354 | family = aimbs_get16(&frame->data); |
---|
| 355 | subtype = aimbs_get16(&frame->data); |
---|
| 356 | |
---|
| 357 | if ((family < maxf) && (subtype+1 < maxs) && (literals[family][subtype] != NULL)) |
---|
| 358 | faimdprintf(sess, 0, "bleck: channel %s: null handler for %04x/%04x (%s)\n", channels[frame->hdr.flap.type], family, subtype, literals[family][subtype+1]); |
---|
| 359 | else |
---|
| 360 | faimdprintf(sess, 0, "bleck: channel %s: null handler for %04x/%04x (no literal)\n", channels[frame->hdr.flap.type], family, subtype); |
---|
| 361 | } else { |
---|
| 362 | |
---|
| 363 | if (frame->hdr.flap.type <= maxchannels) |
---|
| 364 | faimdprintf(sess, 0, "bleck: channel %s (0x%02x)\n", channels[frame->hdr.flap.type], frame->hdr.flap.type); |
---|
| 365 | else |
---|
| 366 | faimdprintf(sess, 0, "bleck: unknown channel 0x%02x\n", frame->hdr.flap.type); |
---|
| 367 | |
---|
| 368 | } |
---|
| 369 | |
---|
| 370 | return 1; |
---|
| 371 | } |
---|
| 372 | |
---|
| 373 | /* |
---|
| 374 | * Some SNACs we do not allow to be hooked, for good reason. |
---|
| 375 | */ |
---|
| 376 | static int checkdisallowed(fu16_t group, fu16_t type) |
---|
| 377 | { |
---|
| 378 | static const struct { |
---|
| 379 | fu16_t group; |
---|
| 380 | fu16_t type; |
---|
| 381 | } dontuse[] = { |
---|
| 382 | {0x0001, 0x0002}, |
---|
| 383 | {0x0001, 0x0003}, |
---|
| 384 | {0x0001, 0x0006}, |
---|
| 385 | {0x0001, 0x0007}, |
---|
| 386 | {0x0001, 0x0008}, |
---|
| 387 | {0x0001, 0x0017}, |
---|
| 388 | {0x0001, 0x0018}, |
---|
| 389 | {0x0000, 0x0000} |
---|
| 390 | }; |
---|
| 391 | int i; |
---|
| 392 | |
---|
| 393 | for (i = 0; dontuse[i].group != 0x0000; i++) { |
---|
| 394 | if ((dontuse[i].group == group) && (dontuse[i].type == type)) |
---|
| 395 | return 1; |
---|
| 396 | } |
---|
| 397 | |
---|
| 398 | return 0; |
---|
| 399 | } |
---|
| 400 | |
---|
| 401 | faim_export int aim_conn_addhandler(aim_session_t *sess, aim_conn_t *conn, fu16_t family, fu16_t type, aim_rxcallback_t newhandler, fu16_t flags) |
---|
| 402 | { |
---|
| 403 | struct aim_rxcblist_s *newcb; |
---|
| 404 | |
---|
| 405 | if (!conn) |
---|
| 406 | return -1; |
---|
| 407 | |
---|
| 408 | faimdprintf(sess, 1, "aim_conn_addhandler: adding for %04x/%04x\n", family, type); |
---|
| 409 | |
---|
| 410 | if (checkdisallowed(family, type)) { |
---|
| 411 | faimdprintf(sess, 0, "aim_conn_addhandler: client tried to hook %x/%x -- BUG!!!\n", family, type); |
---|
| 412 | return -1; |
---|
| 413 | } |
---|
| 414 | |
---|
| 415 | if (!(newcb = (struct aim_rxcblist_s *)calloc(1, sizeof(struct aim_rxcblist_s)))) |
---|
| 416 | return -1; |
---|
| 417 | |
---|
| 418 | newcb->family = family; |
---|
| 419 | newcb->type = type; |
---|
| 420 | newcb->flags = flags; |
---|
| 421 | newcb->handler = newhandler ? newhandler : bleck; |
---|
| 422 | newcb->next = NULL; |
---|
| 423 | |
---|
| 424 | if (!conn->handlerlist) |
---|
| 425 | conn->handlerlist = (void *)newcb; |
---|
| 426 | else { |
---|
| 427 | struct aim_rxcblist_s *cur; |
---|
| 428 | |
---|
| 429 | for (cur = (struct aim_rxcblist_s *)conn->handlerlist; cur->next; cur = cur->next) |
---|
| 430 | ; |
---|
| 431 | cur->next = newcb; |
---|
| 432 | } |
---|
| 433 | |
---|
| 434 | return 0; |
---|
| 435 | } |
---|
| 436 | |
---|
| 437 | faim_export int aim_clearhandlers(aim_conn_t *conn) |
---|
| 438 | { |
---|
| 439 | struct aim_rxcblist_s *cur; |
---|
| 440 | |
---|
| 441 | if (!conn) |
---|
| 442 | return -1; |
---|
| 443 | |
---|
| 444 | for (cur = (struct aim_rxcblist_s *)conn->handlerlist; cur; ) { |
---|
| 445 | struct aim_rxcblist_s *tmp; |
---|
| 446 | |
---|
| 447 | tmp = cur->next; |
---|
| 448 | free(cur); |
---|
| 449 | cur = tmp; |
---|
| 450 | } |
---|
| 451 | conn->handlerlist = NULL; |
---|
| 452 | |
---|
| 453 | return 0; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | faim_internal aim_rxcallback_t aim_callhandler(aim_session_t *sess, aim_conn_t *conn, fu16_t family, fu16_t type) |
---|
| 457 | { |
---|
| 458 | struct aim_rxcblist_s *cur; |
---|
| 459 | |
---|
| 460 | if (!conn) |
---|
| 461 | return NULL; |
---|
| 462 | |
---|
| 463 | faimdprintf(sess, 1, "aim_callhandler: calling for %04x/%04x\n", family, type); |
---|
| 464 | |
---|
| 465 | for (cur = (struct aim_rxcblist_s *)conn->handlerlist; cur; cur = cur->next) { |
---|
| 466 | if ((cur->family == family) && (cur->type == type)) |
---|
| 467 | return cur->handler; |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | if (type == AIM_CB_SPECIAL_DEFAULT) { |
---|
| 471 | faimdprintf(sess, 1, "aim_callhandler: no default handler for family 0x%04x\n", family); |
---|
| 472 | return NULL; /* prevent infinite recursion */ |
---|
| 473 | } |
---|
| 474 | |
---|
| 475 | faimdprintf(sess, 1, "aim_callhandler: no handler for 0x%04x/0x%04x\n", family, type); |
---|
| 476 | |
---|
| 477 | return aim_callhandler(sess, conn, family, AIM_CB_SPECIAL_DEFAULT); |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | faim_internal void aim_clonehandlers(aim_session_t *sess, aim_conn_t *dest, aim_conn_t *src) |
---|
| 481 | { |
---|
| 482 | struct aim_rxcblist_s *cur; |
---|
| 483 | |
---|
| 484 | for (cur = (struct aim_rxcblist_s *)src->handlerlist; cur; cur = cur->next) { |
---|
| 485 | aim_conn_addhandler(sess, dest, cur->family, cur->type, |
---|
| 486 | cur->handler, cur->flags); |
---|
| 487 | } |
---|
| 488 | |
---|
| 489 | return; |
---|
| 490 | } |
---|
| 491 | |
---|
| 492 | faim_internal int aim_callhandler_noparam(aim_session_t *sess, aim_conn_t *conn,fu16_t family, fu16_t type, aim_frame_t *ptr) |
---|
| 493 | { |
---|
| 494 | aim_rxcallback_t userfunc; |
---|
| 495 | |
---|
| 496 | if ((userfunc = aim_callhandler(sess, conn, family, type))) |
---|
| 497 | return userfunc(sess, ptr); |
---|
| 498 | |
---|
| 499 | return 1; /* XXX */ |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | /* |
---|
| 503 | * aim_rxdispatch() |
---|
| 504 | * |
---|
| 505 | * Basically, heres what this should do: |
---|
| 506 | * 1) Determine correct packet handler for this packet |
---|
| 507 | * 2) Mark the packet handled (so it can be dequeued in purge_queue()) |
---|
| 508 | * 3) Send the packet to the packet handler |
---|
| 509 | * 4) Go to next packet in the queue and start over |
---|
| 510 | * 5) When done, run purge_queue() to purge handled commands |
---|
| 511 | * |
---|
| 512 | * TODO: Clean up. |
---|
| 513 | * TODO: More support for mid-level handlers. |
---|
| 514 | * TODO: Allow for NULL handlers. |
---|
| 515 | * |
---|
| 516 | */ |
---|
| 517 | faim_export void aim_rxdispatch(aim_session_t *sess) |
---|
| 518 | { |
---|
| 519 | int i; |
---|
| 520 | aim_frame_t *cur; |
---|
| 521 | |
---|
| 522 | for (cur = sess->queue_incoming, i = 0; cur; cur = cur->next, i++) { |
---|
| 523 | |
---|
| 524 | /* |
---|
| 525 | * XXX: This is still fairly ugly. |
---|
| 526 | */ |
---|
| 527 | |
---|
| 528 | if (cur->handled) |
---|
| 529 | continue; |
---|
| 530 | |
---|
| 531 | /* |
---|
| 532 | * This is a debugging/sanity check only and probably |
---|
| 533 | * could/should be removed for stable code. |
---|
| 534 | */ |
---|
| 535 | if (((cur->hdrtype == AIM_FRAMETYPE_OFT) && |
---|
| 536 | (cur->conn->type != AIM_CONN_TYPE_RENDEZVOUS)) || |
---|
| 537 | ((cur->hdrtype == AIM_FRAMETYPE_FLAP) && |
---|
| 538 | (cur->conn->type == AIM_CONN_TYPE_RENDEZVOUS))) { |
---|
| 539 | faimdprintf(sess, 0, "rxhandlers: incompatible frame type %d on connection type 0x%04x\n", cur->hdrtype, cur->conn->type); |
---|
| 540 | cur->handled = 1; |
---|
| 541 | continue; |
---|
| 542 | } |
---|
| 543 | |
---|
| 544 | if (cur->conn->type == AIM_CONN_TYPE_RENDEZVOUS) { |
---|
| 545 | if (cur->hdrtype != AIM_FRAMETYPE_OFT) { |
---|
| 546 | faimdprintf(sess, 0, "internal error: non-OFT frames on OFT connection\n"); |
---|
| 547 | cur->handled = 1; /* get rid of it */ |
---|
| 548 | } else { |
---|
| 549 | /* XXX: implement this */ |
---|
| 550 | faimdprintf(sess, 0, "faim: OFT frame!\n"); |
---|
| 551 | cur->handled = 1; /* get rid of it */ |
---|
| 552 | } |
---|
| 553 | continue; |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | if (cur->conn->type == AIM_CONN_TYPE_RENDEZVOUS_OUT) { |
---|
| 557 | /* not possible */ |
---|
| 558 | faimdprintf(sess, 0, "rxdispatch called on RENDEZVOUS_OUT connection!\n"); |
---|
| 559 | cur->handled = 1; |
---|
| 560 | continue; |
---|
| 561 | } |
---|
| 562 | |
---|
| 563 | if (cur->hdr.flap.type == 0x01) { |
---|
| 564 | |
---|
| 565 | cur->handled = aim_callhandler_noparam(sess, cur->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_FLAPVER, cur); /* XXX use consumenonsnac */ |
---|
| 566 | |
---|
| 567 | continue; |
---|
| 568 | |
---|
| 569 | } else if (cur->hdr.flap.type == 0x02) { |
---|
| 570 | |
---|
| 571 | if ((cur->handled = consumesnac(sess, cur))) |
---|
| 572 | continue; |
---|
| 573 | |
---|
| 574 | } else if (cur->hdr.flap.type == 0x04) { |
---|
| 575 | |
---|
| 576 | cur->handled = negchan_middle(sess, cur); |
---|
| 577 | continue; |
---|
| 578 | |
---|
| 579 | } else if (cur->hdr.flap.type == 0x05) |
---|
| 580 | ; |
---|
| 581 | |
---|
| 582 | if (!cur->handled) { |
---|
| 583 | consumenonsnac(sess, cur, 0xffff, 0xffff); /* last chance! */ |
---|
| 584 | cur->handled = 1; |
---|
| 585 | } |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | /* |
---|
| 589 | * This doesn't have to be called here. It could easily be done |
---|
| 590 | * by a seperate thread or something. It's an administrative operation, |
---|
| 591 | * and can take a while. Though the less you call it the less memory |
---|
| 592 | * you'll have :) |
---|
| 593 | */ |
---|
| 594 | aim_purge_rxqueue(sess); |
---|
| 595 | |
---|
| 596 | return; |
---|
| 597 | } |
---|
| 598 | |
---|
| 599 | faim_internal int aim_parse_unknown(aim_session_t *sess, aim_frame_t *frame, ...) |
---|
| 600 | { |
---|
| 601 | int i; |
---|
| 602 | |
---|
| 603 | faimdprintf(sess, 1, "\nRecieved unknown packet:"); |
---|
| 604 | |
---|
| 605 | for (i = 0; aim_bstream_empty(&frame->data); i++) { |
---|
| 606 | if ((i % 8) == 0) |
---|
| 607 | faimdprintf(sess, 1, "\n\t"); |
---|
| 608 | |
---|
| 609 | faimdprintf(sess, 1, "0x%2x ", aimbs_get8(&frame->data)); |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | faimdprintf(sess, 1, "\n\n"); |
---|
| 613 | |
---|
| 614 | return 1; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | |
---|
| 618 | |
---|