bitlbee - personal fork of github.com/bitlbee/bitlbee

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Diffstat (limited to 'tests/check_crypting.c')

0 files changed, 0 insertions, 0 deletions

/* * 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.] * */ #include <aim.h> #include "chatnav.h" /* * conn must be a chatnav connection! */ int aim_chatnav_reqrights(aim_session_t *sess, aim_conn_t *conn) { return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002); } int aim_chatnav_createroom(aim_session_t *sess, aim_conn_t *conn, const char *name, guint16 exchange) { static const char ck[] = {"create"}; static const char lang[] = {"en"}; static const char charset[] = {"us-ascii"}; aim_frame_t *fr; aim_snacid_t snacid; aim_tlvlist_t *tl = NULL; if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152))) return -ENOMEM; snacid = aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0); aim_putsnac(&fr->data, 0x000d, 0x0008, 0x0000, snacid); /* exchange */ aimbs_put16(&fr->data, exchange); /* * This looks to be a big hack. You'll note that this entire * SNAC is just a room info structure, but the hard room name, * here, is set to "create". * * Either this goes on the "list of questions concerning * why-the-hell-did-you-do-that", or this value is completly * ignored. Without experimental evidence, but a good knowledge of * AOL style, I'm going to guess that it is the latter, and that * the value of the room name in create requests is ignored. */ aimbs_put8(&fr->data, strlen(ck)); aimbs_putraw(&fr->data, (guint8 *)ck, strlen(ck)); /* * instance * * Setting this to 0xffff apparently assigns the last instance. * */ aimbs_put16(&fr->data, 0xffff); /* detail level */ aimbs_put8(&fr->data, 0x01); aim_addtlvtochain_raw(&tl, 0x00d3, strlen(name), (guint8 *)name); aim_addtlvtochain_raw(&tl, 0x00d6, strlen(charset), (guint8 *)charset); aim_addtlvtochain_raw(&tl, 0x00d7, strlen(lang), (guint8 *)lang); /* tlvcount */ aimbs_put16(&fr->data, aim_counttlvchain(&tl)); aim_writetlvchain(&fr->data, &tl); aim_freetlvchain(&tl); aim_tx_enqueue(sess, fr); return 0; } static 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) { aim_rxcallback_t userfunc; int ret = 0; struct aim_chat_exchangeinfo *exchanges = NULL; int curexchange; aim_tlv_t *exchangetlv; guint8 maxrooms = 0; aim_tlvlist_t *tlvlist, *innerlist; tlvlist = aim_readtlvchain(bs); /* * 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. * */ for (curexchange = 0; ((exchangetlv = aim_gettlv(tlvlist, 0x0003, curexchange+1))); ) { aim_bstream_t tbs; aim_bstream_init(&tbs, exchangetlv->value, exchangetlv->length); curexchange++; exchanges = g_realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo)); /* exchange number */ exchanges[curexchange-1].number = aimbs_get16(&tbs); innerlist = aim_readtlvchain(&tbs); /* * Type 0x000a: Unknown. * * Usually three bytes: 0x0114 (exchange 1) or 0x010f (others). * */ if (aim_gettlv(innerlist, 0x000a, 1)) ; /* * 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)) { guint16 classperms; classperms = aim_gettlv16(innerlist, 0x0002, 1); } /* * Type 0x00c9: Flags * * 1 Evilable * 2 Nav Only * 4 Instancing Allowed * 8 Occupant Peek Allowed * */ if (aim_gettlv(innerlist, 0x00c9, 1)) exchanges[curexchange-1].flags = aim_gettlv16(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 Description */ if (aim_gettlv(innerlist, 0x00d3, 1)) exchanges[curexchange-1].name = aim_gettlv_str(innerlist, 0x00d3, 1); else exchanges[curexchange-1].name = NULL; /* * Type 0x00d4: Exchange Description URL */ if (aim_gettlv(innerlist, 0x00d4, 1)) ; /* * Type 0x00d5: Creation Permissions * * 0 Creation not allowed * 1 Room creation allowed * 2 Exchange creation allowed * */ if (aim_gettlv(innerlist, 0x00d5, 1)) { guint8 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; /* * Type 0x00da: Unknown */ if (aim_gettlv(innerlist, 0x00da, 1)) ; aim_freetlvchain(&innerlist); } /* * Call client. */ if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges); for (curexchange--; curexchange >= 0; curexchange--) { g_free(exchanges[curexchange].name); g_free(exchanges[curexchange].charset1); g_free(exchanges[curexchange].lang1); g_free(exchanges[curexchange].charset2); g_free(exchanges[curexchange].lang2); } g_free(exchanges); aim_freetlvchain(&tlvlist); return ret; } static 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) { aim_rxcallback_t userfunc; aim_tlvlist_t *tlvlist, *innerlist; char *ck = NULL, *fqcn = NULL, *name = NULL; guint16 exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0; guint32 createtime = 0; guint8 createperms = 0, detaillevel; int cklen; aim_tlv_t *bigblock; int ret = 0; aim_bstream_t bbbs; tlvlist = aim_readtlvchain(bs); if (!(bigblock = aim_gettlv(tlvlist, 0x0004, 1))) { imcb_error(sess->aux_data, "no bigblock in top tlv in create room response"); aim_freetlvchain(&tlvlist); return 0; } aim_bstream_init(&bbbs, bigblock->value, bigblock->length); exchange = aimbs_get16(&bbbs); cklen = aimbs_get8(&bbbs); ck = aimbs_getstr(&bbbs, cklen); instance = aimbs_get16(&bbbs); detaillevel = aimbs_get8(&bbbs); if (detaillevel != 0x02) { imcb_error(sess->aux_data, "unknown detaillevel in create room response"); aim_freetlvchain(&tlvlist); g_free(ck); return 0; } unknown = aimbs_get16(&bbbs); innerlist = aim_readtlvchain(&bbbs); 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(sess, rx->conn, snac->family, snac->subtype))) { ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck); } g_free(ck); g_free(name); g_free(fqcn); aim_freetlvchain(&innerlist); aim_freetlvchain(&tlvlist); return ret; } /* * Since multiple things can trigger this callback, we must lookup the * snacid to determine the original snac subtype that was called. * * XXX This isn't really how this works. But this is: Every d/9 response * has a 16bit value at the beginning. That matches to: * Short Desc = 1 * Full Desc = 2 * Instance Info = 4 * Nav Short Desc = 8 * Nav Instance Info = 16 * And then everything is really asynchronous. There is no specific * attachment of a response to a create room request, for example. Creating * the room yields no different a response than requesting the room's info. * */ static int parseinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) { aim_snac_t *snac2; int ret = 0; if (!(snac2 = aim_remsnac(sess, snac->id))) { imcb_error(sess->aux_data, "received response to unknown request!"); return 0; } if (snac2->family != 0x000d) { imcb_error(sess->aux_data, "recieved response that maps to corrupt request!"); return 0; } /* * We now know what the original SNAC subtype was. */ if (snac2->type == 0x0002) /* request chat rights */ ret = parseinfo_perms(sess, mod, rx, snac, bs, snac2); else if (snac2->type == 0x0003) {} /* request exchange info */ else if (snac2->type == 0x0004) {} /* request room info */ else if (snac2->type == 0x0005) {} /* request more room info */ else if (snac2->type == 0x0006) {} /* request occupant list */ else if (snac2->type == 0x0007) {} /* search for a room */ else if (snac2->type == 0x0008) /* create room */ ret = parseinfo_create(sess, mod, rx, snac, bs, snac2); else imcb_error(sess->aux_data, "unknown request subtype"); if (snac2) g_free(snac2->data); g_free(snac2); return ret; } static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) { if (snac->subtype == 0x0009) return parseinfo(sess, mod, rx, snac, bs); return 0; } int chatnav_modfirst(aim_session_t *sess, aim_module_t *mod) { mod->family = 0x000d; mod->version = 0x0003; mod->toolid = 0x0010; mod->toolversion = 0x0629; mod->flags = 0; strncpy(mod->name, "chatnav", sizeof(mod->name)); mod->snachandler = snachandler; return 0; }


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