wireshark/epan/dissectors/packet-aim-location.c

228 lines
7.7 KiB
C

/* 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>
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* 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
#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, NULL, 0 }
};
#define AIM_LOCATION_RIGHTS_TLV_MAX_PROFILE_LENGTH 0x0001
#define AIM_LOCATION_RIGHTS_TLV_MAX_CAPABILITIES 0x0002
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 },
{ 0, NULL, NULL }
};
#define AIM_LOCATION_USERINFO_TLV_MIME_TYPE 0x0001
#define AIM_LOCATION_USERINFO_TLV_CLIENT_CAPABILITIES 0x0005
static const aim_tlv location_userinfo_tlvs[] = {
{ AIM_LOCATION_USERINFO_TLV_MIME_TYPE, "Mime Type", dissect_aim_tlv_value_string },
{ AIM_LOCATION_USERINFO_TLV_CLIENT_CAPABILITIES, "Client capabilities", dissect_aim_tlv_value_client_capabilities },
{ 0, NULL, 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 }
};
/* 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_rightsinfo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *loc_tree)
{
return dissect_aim_tlv_sequence(tvb, pinfo, 0, loc_tree, location_rights_tlvs);
}
static int dissect_aim_location_setuserinfo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *loc_tree)
{
return dissect_aim_tlv_sequence(tvb, pinfo, 0, loc_tree, location_userinfo_tlvs);
}
static int dissect_aim_location_watcher_notification(tvbuff_t *tvb, packet_info *pinfo, proto_tree *loc_tree)
{
int offset = 0;
while(tvb_length_remaining(tvb, offset) > 0) {
offset = dissect_aim_buddyname(tvb, pinfo, offset, loc_tree);
}
return offset;
}
static int dissect_aim_location_user_info_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *loc_tree)
{
return dissect_aim_buddyname(tvb, pinfo, 4, loc_tree);
}
static int dissect_aim_snac_location_request_user_information(tvbuff_t *tvb,
packet_info *pinfo _U_,
proto_tree *tree)
{
int offset = 0;
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_,
proto_tree *tree)
{
int offset = 0;
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);
return dissect_aim_tlv_sequence(tvb, pinfo, offset, tree, msg_tlv);
}
static const aim_subtype aim_fnac_family_location[] = {
{ 0x0001, "Error", dissect_aim_snac_error },
{ 0x0002, "Request Rights", NULL },
{ 0x0003, "Rights Info", dissect_aim_location_rightsinfo },
{ 0x0004, "Set User Info", dissect_aim_location_setuserinfo },
{ 0x0005, "Request User Info", dissect_aim_snac_location_request_user_information },
{ 0x0006, "User Info", dissect_aim_snac_location_user_information },
{ 0x0007, "Watcher Subrequest", NULL },
{ 0x0008, "Watcher Notification", dissect_aim_location_watcher_notification },
{ 0x0015, "User Info Query", dissect_aim_location_user_info_query },
{ 0, NULL, NULL }
};
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)
{
aim_init_family(proto_aim_location, ett_aim_location, FAMILY_LOCATION, aim_fnac_family_location);
}