forked from osmocom/wireshark
249 lines
8.6 KiB
C
249 lines
8.6 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: packet-aim-location.c,v 1.2 2004/03/30 17:38:45 guy Exp $
|
|
*
|
|
* 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 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);
|
|
}
|