/* * Handle ChatNav. * * [The ChatNav(igation) service does various things to keep chat * alive. It provides room information, room searching and creating, * as well as giving users the right ("permission") to use chat.] * */ #define FAIM_INTERNAL #include /* * conn must be a chatnav connection! */ faim_export unsigned long aim_chatnav_reqrights(struct aim_session_t *sess, struct aim_conn_t *conn) { aim_genericreq_n(sess, conn, 0x000d, 0x0002); return sess->snac_nextid; } faim_export unsigned long aim_chatnav_clientready(struct aim_session_t *sess, struct aim_conn_t *conn) { struct command_tx_struct *newpacket; int i; if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 0x20))) return -1; newpacket->lock = 1; i = aim_putsnac(newpacket->data, 0x0001, 0x0002, 0x0000, sess->snac_nextid); i+= aimutil_put16(newpacket->data+i, 0x000d); i+= aimutil_put16(newpacket->data+i, 0x0001); i+= aimutil_put16(newpacket->data+i, 0x0004); i+= aimutil_put16(newpacket->data+i, 0x0001); i+= aimutil_put16(newpacket->data+i, 0x0001); i+= aimutil_put16(newpacket->data+i, 0x0003); i+= aimutil_put16(newpacket->data+i, 0x0004); i+= aimutil_put16(newpacket->data+i, 0x0686); aim_tx_enqueue(sess, newpacket); return (sess->snac_nextid++); } /* * Since multiple things can trigger this callback, * we must lookup the snacid to determine the original * snac subtype that was called. */ faim_internal int aim_chatnav_parse_info(struct aim_session_t *sess, struct command_rx_struct *command) { struct aim_snac_t *snac; u_long snacid; rxcallback_t userfunc; int ret=1; snacid = aimutil_get32(command->data+6); snac = aim_remsnac(sess, snacid); if (!snac) { printf("faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snacid); return 1; } if (snac->family != 0x000d) { printf("faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac->family); return 1; } /* * We now know what the original SNAC subtype was. */ switch(snac->type) { case 0x0002: /* request chat rights */ { struct aim_tlvlist_t *tlvlist; struct aim_chat_exchangeinfo *exchanges = NULL; int curexchange = 0; struct aim_tlv_t *exchangetlv; u_char maxrooms = 0; struct aim_tlvlist_t *innerlist; tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10); /* * Type 0x0002: Maximum concurrent rooms. */ if (aim_gettlv(tlvlist, 0x0002, 1)) maxrooms = aim_gettlv8(tlvlist, 0x0002, 1); /* * Type 0x0003: Exchange information * * There can be any number of these, each one * representing another exchange. * */ curexchange = 0; while ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))) { curexchange++; exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo)); /* exchange number */ exchanges[curexchange-1].number = aimutil_get16(exchangetlv->value); innerlist = aim_readtlvchain(exchangetlv->value+2, exchangetlv->length-2); /* * Type 0x000d: Unknown. */ if (aim_gettlv(innerlist, 0x000d, 1)) ; /* * Type 0x0004: Unknown */ if (aim_gettlv(innerlist, 0x0004, 1)) ; /* * Type 0x0002: Unknown */ if (aim_gettlv(innerlist, 0x0002, 1)) { unsigned short classperms; classperms = aim_gettlv16(innerlist, 0x0002, 1); printf("faim: class permissions %x\n", classperms); } /* * Type 0x00c9: Unknown */ if (aim_gettlv(innerlist, 0x00c9, 1)) ; /* * Type 0x00ca: Creation Date */ if (aim_gettlv(innerlist, 0x00ca, 1)) ; /* * Type 0x00d0: Mandatory Channels? */ if (aim_gettlv(innerlist, 0x00d0, 1)) ; /* * Type 0x00d1: Maximum Message length */ if (aim_gettlv(innerlist, 0x00d1, 1)) ; /* * Type 0x00d2: Maximum Occupancy? */ if (aim_gettlv(innerlist, 0x00d2, 1)) ; /* * Type 0x00d3: Exchange Name */ if (aim_gettlv(innerlist, 0x00d3, 1)) exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1); else exchanges[curexchange-1].name = NULL; /* * Type 0x00d5: Creation Permissions * * 0 Creation not allowed * 1 Room creation allowed * 2 Exchange creation allowed * */ if (aim_gettlv(innerlist, 0x00d5, 1)) { unsigned char createperms; createperms = aim_gettlv8(innerlist, 0x00d5, 1); } /* * Type 0x00d6: Character Set (First Time) */ if (aim_gettlv(innerlist, 0x00d6, 1)) exchanges[curexchange-1].charset1 = aim_gettlv_str(innerlist, 0x00d6, 1); else exchanges[curexchange-1].charset1 = NULL; /* * Type 0x00d7: Language (First Time) */ if (aim_gettlv(innerlist, 0x00d7, 1)) exchanges[curexchange-1].lang1 = aim_gettlv_str(innerlist, 0x00d7, 1); else exchanges[curexchange-1].lang1 = NULL; /* * Type 0x00d8: Character Set (Second Time) */ if (aim_gettlv(innerlist, 0x00d8, 1)) exchanges[curexchange-1].charset2 = aim_gettlv_str(innerlist, 0x00d8, 1); else exchanges[curexchange-1].charset2 = NULL; /* * Type 0x00d9: Language (Second Time) */ if (aim_gettlv(innerlist, 0x00d9, 1)) exchanges[curexchange-1].lang2 = aim_gettlv_str(innerlist, 0x00d9, 1); else exchanges[curexchange-1].lang2 = NULL; aim_freetlvchain(&innerlist); } /* * Call client. */ userfunc = aim_callhandler(command->conn, 0x000d, 0x0009); if (userfunc) ret = userfunc(sess, command, snac->type, maxrooms, curexchange, exchanges); curexchange--; while(curexchange >= 0) { if (exchanges[curexchange].name) free(exchanges[curexchange].name); if (exchanges[curexchange].charset1) free(exchanges[curexchange].charset1); if (exchanges[curexchange].lang1) free(exchanges[curexchange].lang1); if (exchanges[curexchange].charset2) free(exchanges[curexchange].charset2); if (exchanges[curexchange].lang2) free(exchanges[curexchange].lang2); curexchange--; } free(exchanges); aim_freetlvchain(&tlvlist); break; } case 0x0003: /* request exchange info */ printf("faim: chatnav_parse_info: resposne to exchange info\n"); break; case 0x0004: /* request room info */ printf("faim: chatnav_parse_info: response to room info\n"); break; case 0x0005: /* request more room info */ printf("faim: chatnav_parse_info: response to more room info\n"); break; case 0x0006: /* request occupant list */ printf("faim: chatnav_parse_info: response to occupant info\n"); break; case 0x0007: /* search for a room */ printf("faim: chatnav_parse_info: search results\n"); break; case 0x0008: { /* create room */ /* 000d 0009 0000 0000 0010 0004 0053 0004 -- exchange 0c 7a 6f6f 6f6d 7a6f 6f6f 6d34 32 cookie/name 0000 -- instance 02 -- detail level 0007 -- unknown! 006a 000c 7a 6f 6f6f 6d7a 6f6f 6f6d 3432 -- fully qualified name 00c9 0002 0011 -- flags 00ca 0004 39c0 0883 -- create time 00d1 0002 0200 -- max msg len 00d2 0002 0018 -- max occupants 00d3 000c -- name 7a6f 6f6f 6d7a 6f6f 6f6d 3432 00d5 0001 02 -- creation permission */ struct aim_tlvlist_t *tlvlist, *innerlist; char *ck = NULL, *fqcn = NULL, *name = NULL; unsigned short exchange, instance, unknown, flags, maxmsglen, maxoccupancy; unsigned long createtime = 0; unsigned char createperms; int i, cklen; struct aim_tlv_t *bigblock; i = 10; if (!(tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i))) { printf("faim: unable to read top tlv in create room response\n"); break; } if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) { printf("faim: no bigblock in top tlv in create room response\n"); aim_freetlvchain(&tlvlist); break; } i = 0; exchange = aimutil_get16(bigblock->value+i); i += 2; cklen = aimutil_get8(bigblock->value+i); i++; ck = malloc(cklen+1); memcpy(ck, bigblock->value+i, cklen); ck[cklen] = '\0'; i += cklen; instance = aimutil_get16(bigblock->value+i); i += 2; if (aimutil_get8(bigblock->value+i) != 0x02) { printf("faim: unknown detaillevel in create room response (0x%02x)\n", aimutil_get8(bigblock->value+i)); aim_freetlvchain(&tlvlist); free(ck); break; } i += 1; unknown = aimutil_get16(bigblock->value+i); i += 2; if (!(innerlist = aim_readtlvchain(bigblock->value+i, bigblock->length-i))) { printf("faim: unable to read inner tlv chain in create room response\n"); aim_freetlvchain(&tlvlist); free(ck); break; } if (aim_gettlv(innerlist, 0x006a, 1)) fqcn = aim_gettlv_str(innerlist, 0x006a, 1); if (aim_gettlv(innerlist, 0x00c9, 1)) flags = aim_gettlv16(innerlist, 0x00c9, 1); if (aim_gettlv(innerlist, 0x00ca, 1)) createtime = aim_gettlv32(innerlist, 0x00ca, 1); if (aim_gettlv(innerlist, 0x00d1, 1)) maxmsglen = aim_gettlv16(innerlist, 0x00d1, 1); if (aim_gettlv(innerlist, 0x00d2, 1)) maxoccupancy = aim_gettlv16(innerlist, 0x00d2, 1); if (aim_gettlv(innerlist, 0x00d3, 1)) name = aim_gettlv_str(innerlist, 0x00d3, 1); if (aim_gettlv(innerlist, 0x00d5, 1)) createperms = aim_gettlv8(innerlist, 0x00d5, 1); if ((userfunc = aim_callhandler(command->conn, 0x000d, 0x0009))) { ret = userfunc(sess, command, snac->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck); } if (ck) free(ck); if (name) free(name); if (fqcn) free(fqcn); aim_freetlvchain(&innerlist); aim_freetlvchain(&tlvlist); break; } default: /* unknown */ printf("faim: chatnav_parse_info: unknown request subtype (%04x)\n", snac->type); } if (snac && snac->data) free(snac->data); if (snac) free(snac); return ret; } faim_export unsigned long aim_chatnav_createroom(struct aim_session_t *sess, struct aim_conn_t *conn, char *name, u_short exchange) { struct command_tx_struct *newpacket; int i; if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+12+strlen("invite")+strlen(name)))) return -1; newpacket->lock = 1; i = aim_putsnac(newpacket->data, 0x000d, 0x0008, 0x0000, sess->snac_nextid); /* exchange */ i+= aimutil_put16(newpacket->data+i, exchange); /* room cookie */ i+= aimutil_put8(newpacket->data+i, strlen("invite")); i+= aimutil_putstr(newpacket->data+i, "invite", strlen("invite")); /* instance */ i+= aimutil_put16(newpacket->data+i, 0xffff); /* detail level */ i+= aimutil_put8(newpacket->data+i, 0x01); /* tlvcount */ i+= aimutil_put16(newpacket->data+i, 0x0001); /* room name */ i+= aim_puttlv_str(newpacket->data+i, 0x00d3, strlen(name), name); aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0); aim_tx_enqueue(sess, newpacket); return sess->snac_nextid; }