diff options
Diffstat (limited to 'epan/dissectors/packet-aim-location.c')
| -rw-r--r-- | epan/dissectors/packet-aim-location.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/epan/dissectors/packet-aim-location.c b/epan/dissectors/packet-aim-location.c new file mode 100644 index 0000000000..44da9d81a5 --- /dev/null +++ b/epan/dissectors/packet-aim-location.c @@ -0,0 +1,259 @@ +/* packet-aim-location.c + * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Location + * Copyright 2004, Jelmer Vernooij <jelmer@samba.org> + * Copyright 2000, Ralf Hoelzer <ralf@well.com> + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include <glib.h> + +#include <epan/packet.h> +#include <epan/strutil.h> + +#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 msg_tlv[] = { + { FAMILY_LOCATION_USERINFO_INFOENCODING, "Info Msg Encoding", dissect_aim_tlv_value_string}, + { FAMILY_LOCATION_USERINFO_INFOMSG, "Info Message", dissect_aim_tlv_value_string }, + { FAMILY_LOCATION_USERINFO_AWAYENCODING, "Away Msg Encoding", dissect_aim_tlv_value_string }, + { FAMILY_LOCATION_USERINFO_AWAYMSG, "Away Message", dissect_aim_tlv_value_string }, + { FAMILY_LOCATION_USERINFO_CAPS, "Capabilities", dissect_aim_tlv_value_bytes }, + { 0, "Unknown", 0 } +}; + +#define AIM_LOCATION_RIGHTS_TLV_MAX_PROFILE_LENGTH 0x0001 +#define AIM_LOCATION_RIGHTS_TLV_MAX_CAPABILITIES 0x0002 +#define AIM_LOCATION_RIGHTS_TLV_CLIENT_CAPABILITIES 0x0005 + +static const aim_tlv location_rights_tlvs[] = { + { AIM_LOCATION_RIGHTS_TLV_MAX_PROFILE_LENGTH, "Max Profile Length", dissect_aim_tlv_value_uint16 }, + { AIM_LOCATION_RIGHTS_TLV_MAX_CAPABILITIES, "Max capabilities", dissect_aim_tlv_value_uint16 }, + { AIM_LOCATION_RIGHTS_TLV_CLIENT_CAPABILITIES, "Client capabilities", dissect_aim_tlv_value_client_capabilities }, + { 0, "Unknown", NULL } +}; + +#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_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: + /* No data */ + return 0; + case FAMILY_LOCATION_RIGHTSINFO: + while(tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_tlv(tvb, pinfo, offset, loc_tree, location_rights_tlvs); + } + return 0; + case FAMILY_LOCATION_SETUSERINFO: + while(tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_tlv(tvb, pinfo, offset, loc_tree, location_rights_tlvs); + } + return 0; + case FAMILY_LOCATION_WATCHERSUBREQ: + /* FIXME */ + return 0; + case FAMILY_LOCATION_WATCHERNOT: + while(tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_buddyname(tvb, pinfo, offset, loc_tree); + } + return offset; + 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; + + /* 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; + + offset = dissect_aim_tlv_list(tvb, pinfo, offset, tree, onlinebuddy_tlvs); + + while(tvb_length_remaining(tvb, offset) > 0) { + offset = dissect_aim_tlv(tvb, pinfo, offset, tree, msg_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_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); +} |