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/* packet-aim-buddylist.c
* Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Buddylist
* Copyright 2004, Jelmer Vernooij <jelmer@samba.org>
*
* $Id$
*
* 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 <stdlib.h>
#include <ctype.h>
#include <glib.h>
#include <epan/packet.h>
#include <epan/strutil.h>
#include "packet-aim.h"
#define FAMILY_BUDDYLIST 0x0003
#define AIM_BUDDYLIST_TLV_MAX_CONTACT_ENTRIES 0x0001
#define AIM_BUDDYLIST_TLV_MAX_WATCHER_ENTRIES 0x0002
#define AIM_BUDDYLIST_TLV_MAX_ONLINE_NOTIFICATIONS 0x0003
const aim_tlv buddylist_tlvs[] = {
{ AIM_BUDDYLIST_TLV_MAX_CONTACT_ENTRIES, "Max number of contact list entries", dissect_aim_tlv_value_uint16 },
{ AIM_BUDDYLIST_TLV_MAX_WATCHER_ENTRIES, "Max number of watcher list entries", dissect_aim_tlv_value_uint16 },
{ AIM_BUDDYLIST_TLV_MAX_ONLINE_NOTIFICATIONS, "Max online notifications", dissect_aim_tlv_value_uint16 },
{0, NULL, NULL }
};
/* Initialize the protocol and registered fields */
static int proto_aim_buddylist = -1;
static int hf_aim_userinfo_warninglevel = -1;
/* Initialize the subtree pointers */
static gint ett_aim_buddylist = -1;
static int dissect_aim_buddylist_buddylist(tvbuff_t *tvb, packet_info *pinfo, proto_tree *buddy_tree)
{
int offset = 0;
while(tvb_length_remaining(tvb, offset) > 0) {
offset = dissect_aim_buddyname( tvb, pinfo, offset, buddy_tree);
}
return offset;
}
static int dissect_aim_buddylist_rights_repl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *buddy_tree)
{
return dissect_aim_tlv_sequence(tvb, pinfo, 0, buddy_tree, buddylist_tlvs);
}
static int dissect_aim_buddylist_reject(tvbuff_t *tvb, packet_info *pinfo, proto_tree *buddy_tree)
{
return dissect_aim_buddyname(tvb, pinfo, 0, buddy_tree);
}
static int dissect_aim_buddylist_oncoming(tvbuff_t *tvb, packet_info *pinfo, proto_tree *buddy_tree)
{
guchar buddyname[MAX_BUDDYNAME_LENGTH+1];
int offset = 0;
int buddyname_length = aim_get_buddyname( buddyname, tvb, offset, offset + 1 );
col_set_str(pinfo->cinfo, COL_INFO, "Oncoming Buddy");
col_append_fstr(pinfo->cinfo, COL_INFO, ": %s",
format_text(buddyname, buddyname_length));
offset += dissect_aim_buddyname(tvb, pinfo, offset, buddy_tree);
/* Warning level */
proto_tree_add_item(buddy_tree, hf_aim_userinfo_warninglevel, tvb, offset,
2, FALSE);
offset += 2;
offset = dissect_aim_tlv_list(tvb, pinfo, offset, buddy_tree, onlinebuddy_tlvs);
return offset;
}
static int dissect_aim_buddylist_offgoing(tvbuff_t *tvb, packet_info *pinfo, proto_tree *buddy_tree)
{
guchar buddyname[MAX_BUDDYNAME_LENGTH+1];
int offset = 0;
int buddyname_length = aim_get_buddyname( buddyname, tvb, offset, offset + 1 );
col_set_str(pinfo->cinfo, COL_INFO, "Offgoing Buddy");
col_append_fstr(pinfo->cinfo, COL_INFO, ": %s",
format_text(buddyname, buddyname_length));
offset += dissect_aim_buddyname(tvb, pinfo, offset, buddy_tree);
/* Warning level */
proto_tree_add_item(buddy_tree, hf_aim_userinfo_warninglevel, tvb, offset,
2, FALSE);
offset += 2;
return dissect_aim_tlv_list(tvb, pinfo, offset, buddy_tree, onlinebuddy_tlvs);
}
static const aim_subtype aim_fnac_family_buddylist[] = {
{ 0x0001, "Error", dissect_aim_snac_error },
{ 0x0002, "Rights Request", NULL },
{ 0x0003, "Rights Reply", dissect_aim_buddylist_rights_repl },
{ 0x0004, "Add Buddy", dissect_aim_buddylist_buddylist },
{ 0x0005, "Remove Buddy", dissect_aim_buddylist_buddylist },
{ 0x0006, "Watchers List Request", NULL },
{ 0x0007, "Watchers List Reply", dissect_aim_buddylist_buddylist },
{ 0x000a, "Reject Buddy", dissect_aim_buddylist_reject },
{ 0x000b, "Oncoming Buddy", dissect_aim_buddylist_oncoming },
{ 0x000c, "Offgoing Buddy", dissect_aim_buddylist_offgoing },
{ 0, NULL, NULL }
};
/* Register the protocol with Wireshark */
void
proto_register_aim_buddylist(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_aim_userinfo_warninglevel,
{ "Warning Level", "aim_buddylist.userinfo.warninglevel", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_aim_buddylist,
};
/* Register the protocol name and description */
proto_aim_buddylist = proto_register_protocol("AIM Buddylist Service", "AIM Buddylist", "aim_buddylist");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_aim_buddylist, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_aim_buddylist(void)
{
aim_init_family(proto_aim_buddylist, ett_aim_buddylist, FAMILY_BUDDYLIST, aim_fnac_family_buddylist);
}
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