/* packet-aim-location.c * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Location * Copyright 2004, Jelmer Vernooij * Copyright 2000, Ralf Hoelzer * * $Id: packet-aim-location.c,v 1.2 2004/03/30 17:38:45 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include "packet-aim.h" /* SNAC families */ #define FAMILY_LOCATION 0x0002 /* Family Location Services */ #define FAMILY_LOCATION_ERROR 0x0001 #define FAMILY_LOCATION_REQRIGHTS 0x0002 #define FAMILY_LOCATION_RIGHTSINFO 0x0003 #define FAMILY_LOCATION_SETUSERINFO 0x0004 #define FAMILY_LOCATION_REQUSERINFO 0x0005 #define FAMILY_LOCATION_USERINFO 0x0006 #define FAMILY_LOCATION_WATCHERSUBREQ 0x0007 #define FAMILY_LOCATION_WATCHERNOT 0x0008 #define FAMILY_LOCATION_DEFAULT 0xffff static const value_string aim_fnac_family_location[] = { { FAMILY_LOCATION_ERROR, "Error" }, { FAMILY_LOCATION_REQRIGHTS, "Request Rights" }, { FAMILY_LOCATION_RIGHTSINFO, "Rights Info" }, { FAMILY_LOCATION_SETUSERINFO, "Set User Info" }, { FAMILY_LOCATION_REQUSERINFO, "Request User Info" }, { FAMILY_LOCATION_USERINFO, "User Info" }, { FAMILY_LOCATION_WATCHERSUBREQ, "Watcher Subrequest" }, { FAMILY_LOCATION_WATCHERNOT, "Watcher Notification" }, { FAMILY_LOCATION_DEFAULT, "Location Default" }, { 0, NULL } }; #define FAMILY_LOCATION_USERINFO_INFOENCODING 0x0001 #define FAMILY_LOCATION_USERINFO_INFOMSG 0x0002 #define FAMILY_LOCATION_USERINFO_AWAYENCODING 0x0003 #define FAMILY_LOCATION_USERINFO_AWAYMSG 0x0004 #define FAMILY_LOCATION_USERINFO_CAPS 0x0005 static const aim_tlv aim_fnac_family_location_userinfo_tlv[] = { { FAMILY_LOCATION_USERINFO_INFOENCODING, "Info Msg Encoding", FT_STRING }, { FAMILY_LOCATION_USERINFO_INFOMSG, "Info Message", FT_STRING }, { FAMILY_LOCATION_USERINFO_AWAYENCODING, "Away Msg Encoding", FT_STRING }, { FAMILY_LOCATION_USERINFO_AWAYMSG, "Away Message", FT_STRING }, { FAMILY_LOCATION_USERINFO_CAPS, "Capabilities", FT_BYTES }, { 0, "Unknown", 0 } }; #define FAMILY_LOCATION_USERINFO_INFOTYPE_GENERALINFO 0x0001 #define FAMILY_LOCATION_USERINFO_INFOTYPE_AWAYMSG 0x0003 #define FAMILY_LOCATION_USERINFO_INFOTYPE_CAPS 0x0005 static const value_string aim_snac_location_request_user_info_infotypes[] = { { FAMILY_LOCATION_USERINFO_INFOTYPE_GENERALINFO, "Request General Info" }, { FAMILY_LOCATION_USERINFO_INFOTYPE_AWAYMSG, "Request Away Message" }, { FAMILY_LOCATION_USERINFO_INFOTYPE_CAPS, "Request Capabilities" }, { 0, NULL } }; static int dissect_aim_snac_location_request_user_information(tvbuff_t *tvb, int offset, proto_tree *tree); static int dissect_aim_snac_location_user_information(tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree); /* Initialize the protocol and registered fields */ static int proto_aim_location = -1; static int hf_aim_snac_location_request_user_info_infotype = -1; static int hf_aim_userinfo_warninglevel = -1; static int hf_aim_userinfo_tlvcount = -1; static int hf_aim_buddyname_len = -1; static int hf_aim_buddyname = -1; /* Initialize the subtree pointers */ static gint ett_aim_location = -1; static int dissect_aim_location(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree ) { struct aiminfo *aiminfo = pinfo->private_data; int offset = 0; proto_item *ti = NULL; proto_tree *loc_tree = NULL; if(tree) { ti = proto_tree_add_text(tree, tvb, 0, -1,"AIM Location Service"); loc_tree = proto_item_add_subtree(ti, ett_aim_location); } switch(aiminfo->subtype) { case FAMILY_LOCATION_ERROR: return dissect_aim_snac_error(tvb, pinfo, offset, loc_tree); case FAMILY_LOCATION_REQUSERINFO: return dissect_aim_snac_location_request_user_information(tvb, offset, loc_tree); case FAMILY_LOCATION_USERINFO: return dissect_aim_snac_location_user_information(tvb, pinfo, offset, loc_tree); case FAMILY_LOCATION_REQRIGHTS: case FAMILY_LOCATION_RIGHTSINFO: case FAMILY_LOCATION_SETUSERINFO: case FAMILY_LOCATION_WATCHERSUBREQ: case FAMILY_LOCATION_WATCHERNOT: /* FIXME */ default: return 0; } } static int dissect_aim_snac_location_request_user_information(tvbuff_t *tvb, int offset, proto_tree *tree) { guint8 buddyname_length = 0; /* Info Type */ proto_tree_add_item(tree, hf_aim_snac_location_request_user_info_infotype, tvb, offset, 2, FALSE); offset += 2; /* Buddy Name length */ buddyname_length = tvb_get_guint8(tvb, offset); proto_tree_add_item(tree, hf_aim_buddyname_len, tvb, offset, 1, FALSE); offset += 1; /* Buddy name */ proto_tree_add_item(tree, hf_aim_buddyname, tvb, offset, buddyname_length, FALSE); offset += buddyname_length; return offset; } static int dissect_aim_snac_location_user_information(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, proto_tree *tree) { guint8 buddyname_length = 0; guint16 tlv_count = 0; guint16 i = 0; /* Buddy Name length */ buddyname_length = tvb_get_guint8(tvb, offset); proto_tree_add_item(tree, hf_aim_buddyname_len, tvb, offset, 1, FALSE); offset += 1; /* Buddy name */ proto_tree_add_item(tree, hf_aim_buddyname, tvb, offset, buddyname_length, FALSE); offset += buddyname_length; /* Warning level */ proto_tree_add_item(tree, hf_aim_userinfo_warninglevel, tvb, offset, 2, FALSE); offset += 2; /* TLV Count */ tlv_count = tvb_get_ntohs(tvb, offset); proto_tree_add_item(tree, hf_aim_userinfo_tlvcount, tvb, offset, 2, FALSE); offset += 2; /* Dissect the TLV array containing general user status */ while (i++ < tlv_count) { offset = dissect_aim_tlv_buddylist(tvb, pinfo, offset, tree); } /* Dissect the TLV array containing the away message (or whatever info was specifically requested) */ while (tvb_length_remaining(tvb, offset) > 0) { offset = dissect_aim_tlv_specific(tvb, pinfo, offset, tree, aim_fnac_family_location_userinfo_tlv); } return offset; } void proto_register_aim_location(void) { /* Setup list of header fields */ static hf_register_info hf[] = { { &hf_aim_buddyname_len, { "Buddyname len", "aim.buddynamelen", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } }, { &hf_aim_buddyname, { "Buddy Name", "aim.buddyname", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } }, { &hf_aim_userinfo_warninglevel, { "Warning Level", "aim.userinfo.warninglevel", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_userinfo_tlvcount, { "TLV Count", "aim.userinfo.tlvcount", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }, }, { &hf_aim_snac_location_request_user_info_infotype, { "Infotype", "aim.snac.location.request_user_info.infotype", FT_UINT16, BASE_HEX, VALS(aim_snac_location_request_user_info_infotypes), 0x0, "", HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_aim_location, }; /* Register the protocol name and description */ proto_aim_location = proto_register_protocol("AIM Location", "AIM Location", "aim_location"); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_aim_location, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_aim_location(void) { dissector_handle_t aim_handle; aim_handle = new_create_dissector_handle(dissect_aim_location, proto_aim_location); dissector_add("aim.family", FAMILY_LOCATION, aim_handle); aim_init_family(FAMILY_LOCATION, "Location", aim_fnac_family_location); }