forked from osmocom/wireshark
39e687a79f
Wireshark does not extract the vendor identifier (i.e. the 7th and 8th bytes) from the header of YMSG packets. The current implementations skips over these bytes during dissection, presumably because they were believed to be padding. svn path=/trunk/; revision=32830
566 lines
18 KiB
C
566 lines
18 KiB
C
/* packet-ymsg.c
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* Routines for Yahoo Messenger YMSG protocol packet version 13 dissection
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* Copyright 2003, Wayne Parrott <wayne_p@pacific.net.au>
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* Copied from packet-yhoo.c and updated
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include "packet-tcp.h"
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#include <epan/prefs.h>
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static int proto_ymsg = -1;
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static int hf_ymsg_version = -1;
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static int hf_ymsg_vendor = -1;
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static int hf_ymsg_len = -1;
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static int hf_ymsg_service = -1;
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static int hf_ymsg_status = -1;
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static int hf_ymsg_session_id = -1;
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static int hf_ymsg_content = -1;
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static int hf_ymsg_content_line = -1;
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static int hf_ymsg_content_line_key = -1;
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static int hf_ymsg_content_line_value = -1;
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static gint ett_ymsg = -1;
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static gint ett_ymsg_content = -1;
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static gint ett_ymsg_content_line = -1;
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#define TCP_PORT_YMSG 23 /* XXX - this is Telnet! */
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#define TCP_PORT_YMSG_2 25 /* And this is SMTP! */
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#define TCP_PORT_YMSG_3 5050 /* This, however, is regular Yahoo Messenger */
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/* desegmentation of YMSG over TCP */
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static gboolean ymsg_desegment = TRUE;
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/*
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* This is from yahoolib2.c from libyahoo2.
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*
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* See also
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*
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* http://libyahoo2.sourceforge.net/ymsg-9.txt
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*
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* and
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*
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* http://www.venkydude.com/articles/yahoo.htm
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*
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* and
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*
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* http://www.cse.iitb.ac.in/~varunk/YahooProtocol.htm
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*
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* and
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*
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* http://www.geocrawler.com/archives/3/4893/2002/1/0/7459037/
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*
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* and
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*
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* http://www.geocities.com/ziggycubbe/ym.html
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*/
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/* Service constants */
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enum yahoo_service { /* these are easier to see in hex */
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YAHOO_SERVICE_LOGON = 1,
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YAHOO_SERVICE_LOGOFF,
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YAHOO_SERVICE_ISAWAY,
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YAHOO_SERVICE_ISBACK,
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YAHOO_SERVICE_IDLE, /* 5 (placemarker) */
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YAHOO_SERVICE_MESSAGE,
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YAHOO_SERVICE_IDACT,
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YAHOO_SERVICE_IDDEACT,
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YAHOO_SERVICE_MAILSTAT,
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YAHOO_SERVICE_USERSTAT, /* 0xa */
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YAHOO_SERVICE_NEWMAIL,
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YAHOO_SERVICE_CHATINVITE,
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YAHOO_SERVICE_CALENDAR,
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YAHOO_SERVICE_NEWPERSONALMAIL,
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YAHOO_SERVICE_NEWCONTACT,
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YAHOO_SERVICE_ADDIDENT, /* 0x10 */
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YAHOO_SERVICE_ADDIGNORE,
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YAHOO_SERVICE_PING,
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YAHOO_SERVICE_GOTGROUPRENAME, /* < 1, 36(old), 37(new) */
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YAHOO_SERVICE_SYSMESSAGE = 0x14,
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YAHOO_SERVICE_SKINNAME = 0x15,
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YAHOO_SERVICE_PASSTHROUGH2 = 0x16,
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YAHOO_SERVICE_CONFINVITE = 0x18,
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YAHOO_SERVICE_CONFLOGON,
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YAHOO_SERVICE_CONFDECLINE,
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YAHOO_SERVICE_CONFLOGOFF,
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YAHOO_SERVICE_CONFADDINVITE,
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YAHOO_SERVICE_CONFMSG,
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YAHOO_SERVICE_CHATLOGON,
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YAHOO_SERVICE_CHATLOGOFF,
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YAHOO_SERVICE_CHATMSG = 0x20,
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YAHOO_SERVICE_GAMELOGON = 0x28,
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YAHOO_SERVICE_GAMELOGOFF,
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YAHOO_SERVICE_GAMEMSG = 0x2a,
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YAHOO_SERVICE_FILETRANSFER = 0x46,
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YAHOO_SERVICE_VOICECHAT = 0x4A,
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YAHOO_SERVICE_NOTIFY,
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YAHOO_SERVICE_VERIFY,
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YAHOO_SERVICE_P2PFILEXFER,
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YAHOO_SERVICE_PEERTOPEER = 0x4F, /* Checks if P2P possible */
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YAHOO_SERVICE_WEBCAM,
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YAHOO_SERVICE_AUTHRESP = 0x54,
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YAHOO_SERVICE_LIST,
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YAHOO_SERVICE_AUTH = 0x57,
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YAHOO_SERVICE_AUTHBUDDY = 0x6d,
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YAHOO_SERVICE_ADDBUDDY = 0x83,
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YAHOO_SERVICE_REMBUDDY,
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YAHOO_SERVICE_IGNORECONTACT, /* > 1, 7, 13 < 1, 66, 13, 0*/
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YAHOO_SERVICE_REJECTCONTACT,
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YAHOO_SERVICE_GROUPRENAME = 0x89, /* > 1, 65(new), 66(0), 67(old) */
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YAHOO_SERVICE_KEEPALIVE = 0x8a,
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YAHOO_SERVICE_CHATONLINE = 0x96, /* > 109(id), 1, 6(abcde) < 0,1*/
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YAHOO_SERVICE_CHATGOTO,
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YAHOO_SERVICE_CHATJOIN, /* > 1 104-room 129-1600326591 62-2 */
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YAHOO_SERVICE_CHATLEAVE,
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YAHOO_SERVICE_CHATEXIT = 0x9b,
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YAHOO_SERVICE_CHATADDINVITE = 0x9d,
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YAHOO_SERVICE_CHATLOGOUT = 0xa0,
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YAHOO_SERVICE_CHATPING,
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YAHOO_SERVICE_COMMENT = 0xa8,
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YAHOO_SERVICE_GAME_INVITE = 0xb7,
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YAHOO_SERVICE_STEALTH_PERM = 0xb9,
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YAHOO_SERVICE_STEALTH_SESSION = 0xba,
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YAHOO_SERVICE_AVATAR = 0xbc,
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YAHOO_SERVICE_PICTURE_CHECKSUM = 0xbd,
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YAHOO_SERVICE_PICTURE = 0xbe,
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YAHOO_SERVICE_PICTURE_UPDATE = 0xc1,
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YAHOO_SERVICE_PICTURE_UPLOAD = 0xc2,
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YAHOO_SERVICE_YAB_UPDATE = 0xc4,
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YAHOO_SERVICE_Y6_VISIBLE_TOGGLE = 0xc5, /* YMSG13, key 13: 2 = invisible, 1 = visible */
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YAHOO_SERVICE_Y6_STATUS_UPDATE = 0xc6, /* YMSG13 */
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YAHOO_SERVICE_PICTURE_STATUS = 0xc7, /* YMSG13, key 213: 0 = none, 1 = avatar, 2 = picture */
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YAHOO_SERVICE_VERIFY_ID_EXISTS = 0xc8,
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YAHOO_SERVICE_AUDIBLE = 0xd0,
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YAHOO_SERVICE_Y7_PHOTO_SHARING = 0xd2,
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YAHOO_SERVICE_Y7_CONTACT_DETAILS = 0xd3,/* YMSG13 */
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YAHOO_SERVICE_Y7_CHAT_SESSION = 0xd4,
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YAHOO_SERVICE_Y7_AUTHORIZATION = 0xd6, /* YMSG13 */
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YAHOO_SERVICE_Y7_FILETRANSFER = 0xdc, /* YMSG13 */
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YAHOO_SERVICE_Y7_FILETRANSFERINFO, /* YMSG13 */
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YAHOO_SERVICE_Y7_FILETRANSFERACCEPT, /* YMSG13 */
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YAHOO_SERVICE_Y7_MINGLE = 0xe1, /* YMSG13 */
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YAHOO_SERVICE_Y7_CHANGE_GROUP = 0xe7, /* YMSG13 */
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YAHOO_SERVICE_STATUS_15 = 0xf0,
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YAHOO_SERVICE_LIST_15 = 0xf1,
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YAHOO_SERVICE_WEBLOGIN = 0x0226,
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YAHOO_SERVICE_SMS_MSG = 0x02ea
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};
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/* Message flags */
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enum yahoo_status {
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YAHOO_STATUS_AVAILABLE = 0,
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YAHOO_STATUS_BRB,
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YAHOO_STATUS_BUSY,
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YAHOO_STATUS_NOTATHOME,
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YAHOO_STATUS_NOTATDESK,
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YAHOO_STATUS_NOTINOFFICE,
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YAHOO_STATUS_ONPHONE,
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YAHOO_STATUS_ONVACATION,
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YAHOO_STATUS_OUTTOLUNCH,
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YAHOO_STATUS_STEPPEDOUT,
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YAHOO_STATUS_INVISIBLE = 12,
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YAHOO_STATUS_CUSTOM = 99,
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YAHOO_STATUS_IDLE = 999,
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YAHOO_STATUS_WEBLOGIN = 0x5a55aa55,
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YAHOO_STATUS_OFFLINE = 0x5a55aa56, /* don't ask */
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YAHOO_STATUS_TYPING = 0x16,
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YAHOO_STATUS_DISCONNECTED = 0xffffffff /* in ymsg 15. doesnt mean the normal sense of 'disconnected' */
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};
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enum ypacket_status {
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YPACKET_STATUS_DISCONNECTED = -1,
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YPACKET_STATUS_DEFAULT = 0,
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YPACKET_STATUS_SERVERACK = 1,
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YPACKET_STATUS_GAME = 0x2,
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YPACKET_STATUS_AWAY = 0x4,
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YPACKET_STATUS_CONTINUED = 0x5,
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YPACKET_STATUS_INVISIBLE = 12,
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YPACKET_STATUS_NOTIFY = 0x16, /* TYPING */
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YPACKET_STATUS_WEBLOGIN = 0x5a55aa55,
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YPACKET_STATUS_OFFLINE = 0x5a55aa56
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};
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struct yahoo_rawpacket
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{
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char ymsg[4]; /* Packet identification string (YMSG) */
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unsigned char version[2]; /* 2 bytes, little endian */
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unsigned char vendor[2]; /* 2 bytes, little endian */
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unsigned char len[2]; /* length - little endian */
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unsigned char service[2]; /* service - little endian */
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unsigned char status[4]; /* Status - online, away etc.*/
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unsigned char session_id[4]; /* Session ID */
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char content[6]; /* 6 is the minimum size of the content */
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};
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static const value_string ymsg_service_vals[] = {
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{YAHOO_SERVICE_LOGON, "Pager Logon"},
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{YAHOO_SERVICE_LOGOFF, "Pager Logoff"},
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{YAHOO_SERVICE_ISAWAY, "Is Away"},
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{YAHOO_SERVICE_ISBACK, "Is Back"},
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{YAHOO_SERVICE_IDLE, "Idle"},
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{YAHOO_SERVICE_MESSAGE, "Message"},
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{YAHOO_SERVICE_IDACT, "Activate Identity"},
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{YAHOO_SERVICE_IDDEACT, "Deactivate Identity"},
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{YAHOO_SERVICE_MAILSTAT, "Mail Status"},
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{YAHOO_SERVICE_USERSTAT, "User Status"},
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{YAHOO_SERVICE_NEWMAIL, "New Mail"},
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{YAHOO_SERVICE_CHATINVITE, "Chat Invitation"},
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{YAHOO_SERVICE_CALENDAR, "Calendar Reminder"},
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{YAHOO_SERVICE_NEWPERSONALMAIL, "New Personals Mail"},
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{YAHOO_SERVICE_NEWCONTACT, "New Friend"},
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{YAHOO_SERVICE_ADDIDENT, "Add Identity"},
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{YAHOO_SERVICE_ADDIGNORE, "Add Ignore"},
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{YAHOO_SERVICE_PING, "Ping"},
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{YAHOO_SERVICE_GOTGROUPRENAME, "Got Group Rename"},
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{YAHOO_SERVICE_SYSMESSAGE, "System Message"},
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{YAHOO_SERVICE_SKINNAME, "Skinname"},
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{YAHOO_SERVICE_PASSTHROUGH2, "Passthrough 2"},
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{YAHOO_SERVICE_CONFINVITE, "Conference Invitation"},
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{YAHOO_SERVICE_CONFLOGON, "Conference Logon"},
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{YAHOO_SERVICE_CONFDECLINE, "Conference Decline"},
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{YAHOO_SERVICE_CONFLOGOFF, "Conference Logoff"},
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{YAHOO_SERVICE_CONFADDINVITE, "Conference Additional Invitation"},
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{YAHOO_SERVICE_CONFMSG, "Conference Message"},
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{YAHOO_SERVICE_CHATLOGON, "Chat Logon"},
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{YAHOO_SERVICE_CHATLOGOFF, "Chat Logoff"},
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{YAHOO_SERVICE_CHATMSG, "Chat Message"},
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{YAHOO_SERVICE_GAMELOGON, "Game Logon"},
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{YAHOO_SERVICE_GAMELOGOFF, "Game Logoff"},
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{YAHOO_SERVICE_GAMEMSG, "Game Message"},
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{YAHOO_SERVICE_FILETRANSFER, "File Transfer"},
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{YAHOO_SERVICE_VOICECHAT, "Voice Chat"},
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{YAHOO_SERVICE_NOTIFY, "Notify"},
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{YAHOO_SERVICE_VERIFY, "Verify"},
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{YAHOO_SERVICE_P2PFILEXFER, "P2P File Transfer"},
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{YAHOO_SERVICE_PEERTOPEER, "Peer To Peer"},
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{YAHOO_SERVICE_WEBCAM, "WebCam"},
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{YAHOO_SERVICE_AUTHRESP, "Authentication Response"},
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{YAHOO_SERVICE_LIST, "List"},
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{YAHOO_SERVICE_AUTH, "Authentication"},
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{YAHOO_SERVICE_AUTHBUDDY, "Authorize Buddy"},
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{YAHOO_SERVICE_ADDBUDDY, "Add Buddy"},
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{YAHOO_SERVICE_REMBUDDY, "Remove Buddy"},
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{YAHOO_SERVICE_IGNORECONTACT, "Ignore Contact"},
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{YAHOO_SERVICE_REJECTCONTACT, "Reject Contact"},
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{YAHOO_SERVICE_GROUPRENAME, "Group Rename"},
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{YAHOO_SERVICE_KEEPALIVE, "Keep Alive"},
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{YAHOO_SERVICE_CHATONLINE, "Chat Online"},
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{YAHOO_SERVICE_CHATGOTO, "Chat Goto"},
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{YAHOO_SERVICE_CHATJOIN, "Chat Join"},
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{YAHOO_SERVICE_CHATLEAVE, "Chat Leave"},
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{YAHOO_SERVICE_CHATEXIT, "Chat Exit"},
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{YAHOO_SERVICE_CHATADDINVITE, "Chat Invite"},
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{YAHOO_SERVICE_CHATLOGOUT, "Chat Logout"},
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{YAHOO_SERVICE_CHATPING, "Chat Ping"},
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{YAHOO_SERVICE_COMMENT, "Comment"},
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{YAHOO_SERVICE_GAME_INVITE,"Game Invite"},
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{YAHOO_SERVICE_STEALTH_PERM, "Stealth Permanent"},
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{YAHOO_SERVICE_STEALTH_SESSION, "Stealth Session"},
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{YAHOO_SERVICE_AVATAR,"Avatar"},
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{YAHOO_SERVICE_PICTURE_CHECKSUM,"Picture Checksum"},
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{YAHOO_SERVICE_PICTURE,"Picture"},
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{YAHOO_SERVICE_PICTURE_UPDATE,"Picture Update"},
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{YAHOO_SERVICE_PICTURE_UPLOAD,"Picture Upload"},
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{YAHOO_SERVICE_YAB_UPDATE,"Yahoo Address Book Update"},
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{YAHOO_SERVICE_Y6_VISIBLE_TOGGLE, "Y6 Visibility Toggle"},
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{YAHOO_SERVICE_Y6_STATUS_UPDATE, "Y6 Status Update"},
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{YAHOO_SERVICE_PICTURE_STATUS, "Picture Sharing Status"},
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{YAHOO_SERVICE_VERIFY_ID_EXISTS, "Verify ID Exists"},
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{YAHOO_SERVICE_AUDIBLE, "Audible"},
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{YAHOO_SERVICE_Y7_CONTACT_DETAILS,"Y7 Contact Details"},
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{YAHOO_SERVICE_Y7_CHAT_SESSION, "Y7 Chat Session"},
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{YAHOO_SERVICE_Y7_AUTHORIZATION,"Y7 Buddy Authorization"},
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{YAHOO_SERVICE_Y7_FILETRANSFER,"Y7 File Transfer"},
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{YAHOO_SERVICE_Y7_FILETRANSFERINFO,"Y7 File Transfer Information"},
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{YAHOO_SERVICE_Y7_FILETRANSFERACCEPT,"Y7 File Transfer Accept"},
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{YAHOO_SERVICE_Y7_CHANGE_GROUP, "Y7 Change Group"},
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{YAHOO_SERVICE_STATUS_15, "Status V15"},
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{YAHOO_SERVICE_LIST_15, "List V15"},
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{YAHOO_SERVICE_WEBLOGIN,"WebLogin"},
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{YAHOO_SERVICE_SMS_MSG,"SMS Message"},
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{0, NULL}
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};
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static const value_string ymsg_status_vals[] = {
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{YPACKET_STATUS_DISCONNECTED,"Disconnected"},
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{YPACKET_STATUS_DEFAULT,"Default"},
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{YPACKET_STATUS_SERVERACK,"Server Ack"},
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{YPACKET_STATUS_GAME,"Playing Game"},
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{YPACKET_STATUS_AWAY, "Away"},
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{YPACKET_STATUS_CONTINUED,"More Packets??"},
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{YPACKET_STATUS_NOTIFY, "Notify"},
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{YPACKET_STATUS_WEBLOGIN,"Web Login"},
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{YPACKET_STATUS_OFFLINE,"Offline"},
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{0, NULL}
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};
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static guint get_ymsg_pdu_len(packet_info *pinfo, tvbuff_t *tvb, int offset);
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static void dissect_ymsg_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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/* Find the end of the current content line and return its length */
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static int get_content_item_length(tvbuff_t *tvb, int offset)
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{
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int origoffset = offset;
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/* Keep reading until the magic delimiter (or end of tvb) is found */
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while (tvb_length_remaining(tvb, offset) >= 2) {
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if (tvb_get_ntohs(tvb, offset) == 0xc080) {
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break;
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}
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offset++;
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}
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return offset - origoffset;
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}
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static gboolean
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dissect_ymsg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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if (tvb_memeql(tvb, 0, "YMSG", 4) == -1) {
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/* Not a Yahoo Messenger packet. */
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return FALSE;
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}
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tcp_dissect_pdus(tvb, pinfo, tree, ymsg_desegment, 8, get_ymsg_pdu_len,
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dissect_ymsg_pdu);
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return TRUE;
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}
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static guint
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get_ymsg_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
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{
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guint16 plen;
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/*
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* Get the length of the YMSG packet.
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*/
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plen = tvb_get_ntohs(tvb, offset + 8);
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/*
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* That length doesn't include the length of the header itself; add that in.
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*/
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return plen + 20;
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}
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static void
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dissect_ymsg_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *ymsg_tree, *ti;
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proto_item *content_item;
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proto_tree *content_tree;
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char *keybuf;
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char *valbuf;
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int headersize = sizeof(struct yahoo_rawpacket)-6;
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int keylen = 0;
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int vallen = 0;
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int offset = 0;
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int content_len = 0;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "YMSG");
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offset = 0;
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_add_fstr(pinfo->cinfo, COL_INFO,
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"%s (status=%s) ",
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val_to_str(tvb_get_ntohs(tvb, offset + 10),
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ymsg_service_vals, "Unknown Service: %u"),
|
|
val_to_str(tvb_get_ntohl(tvb, offset + 12),
|
|
ymsg_status_vals, "Unknown Status: %u")
|
|
);
|
|
}
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_ymsg, tvb, offset, -1, FALSE);
|
|
ymsg_tree = proto_item_add_subtree(ti, ett_ymsg);
|
|
|
|
offset += 4; /* skip the YMSG string */
|
|
|
|
/* Version */
|
|
proto_tree_add_item(ymsg_tree, hf_ymsg_version, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* Vendor ID */
|
|
proto_tree_add_item(ymsg_tree, hf_ymsg_vendor, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* Length */
|
|
content_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(ymsg_tree, hf_ymsg_len, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* Service */
|
|
proto_item_append_text(ti, " (%s)",
|
|
val_to_str(tvb_get_ntohs(tvb, offset),
|
|
ymsg_service_vals,
|
|
"Unknown"));
|
|
|
|
proto_tree_add_item(ymsg_tree, hf_ymsg_service, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* Status */
|
|
proto_tree_add_item(ymsg_tree, hf_ymsg_status, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
|
|
/* Session id */
|
|
proto_tree_add_item(ymsg_tree, hf_ymsg_session_id, tvb, offset, 4, TRUE);
|
|
offset += 4;
|
|
|
|
/* Contents */
|
|
if (content_len) {
|
|
/* Create content subtree */
|
|
content_item = proto_tree_add_item(ymsg_tree, hf_ymsg_content, tvb,
|
|
offset, -1, TRUE);
|
|
content_tree = proto_item_add_subtree(content_item, ett_ymsg_content);
|
|
|
|
/* Each entry consists of:
|
|
<key string> <delimiter> <value string> <delimiter>
|
|
*/
|
|
|
|
/* Parse and show each line of the contents */
|
|
for (;;)
|
|
{
|
|
proto_item *ti_2;
|
|
proto_tree *content_line_tree;
|
|
|
|
/* Don't continue unless there is room for another whole item.
|
|
(including 2 2-byte delimiters */
|
|
if (offset >= (headersize+content_len-4))
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* Get the length of the key */
|
|
keylen = get_content_item_length(tvb, offset);
|
|
/* Extract the key */
|
|
keybuf = tvb_format_text(tvb, offset, keylen);
|
|
|
|
/* Get the length of the value */
|
|
vallen = get_content_item_length(tvb, offset+keylen+2);
|
|
/* Extract the value */
|
|
valbuf = tvb_format_text(tvb, offset+keylen+2, vallen);
|
|
|
|
/* Add a text item with the key... */
|
|
ti_2 = proto_tree_add_string_format(content_tree, hf_ymsg_content_line, tvb,
|
|
offset, keylen+2+vallen+2,
|
|
"", "%s:%s", keybuf, valbuf);
|
|
content_line_tree = proto_item_add_subtree(ti_2, ett_ymsg_content_line);
|
|
|
|
/* And add the key and value separately inside */
|
|
proto_tree_add_item(content_line_tree, hf_ymsg_content_line_key, tvb,
|
|
offset, keylen, FALSE);
|
|
proto_tree_add_item(content_line_tree, hf_ymsg_content_line_value, tvb,
|
|
offset+keylen+2, vallen, FALSE);
|
|
|
|
/* Move beyone key and value lines */
|
|
offset += keylen+2+vallen+2;
|
|
}
|
|
}
|
|
}
|
|
|
|
col_set_fence(pinfo->cinfo, COL_INFO);
|
|
|
|
return;
|
|
}
|
|
|
|
void
|
|
proto_register_ymsg(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_ymsg_version, {
|
|
"Version", "ymsg.version", FT_UINT16, BASE_DEC,
|
|
NULL, 0, "Packet version identifier", HFILL }},
|
|
{ &hf_ymsg_vendor, {
|
|
"Vendor ID", "ymsg.vendor", FT_UINT16, BASE_DEC,
|
|
NULL, 0, "Vendor identifier", HFILL }},
|
|
{ &hf_ymsg_len, {
|
|
"Packet Length", "ymsg.len", FT_UINT16, BASE_DEC,
|
|
NULL, 0, NULL, HFILL }},
|
|
{ &hf_ymsg_service, {
|
|
"Service", "ymsg.service", FT_UINT16, BASE_DEC,
|
|
VALS(ymsg_service_vals), 0, "Service Type", HFILL }},
|
|
{ &hf_ymsg_status, {
|
|
"Status", "ymsg.status", FT_UINT32, BASE_DEC,
|
|
VALS(ymsg_status_vals), 0, "Message Type Flags", HFILL }},
|
|
{ &hf_ymsg_session_id, {
|
|
"Session ID", "ymsg.session_id", FT_UINT32, BASE_HEX,
|
|
NULL, 0, "Connection ID", HFILL }},
|
|
|
|
{ &hf_ymsg_content, {
|
|
"Content", "ymsg.content", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Data portion of the packet", HFILL }},
|
|
{ &hf_ymsg_content_line, {
|
|
"Content-line", "ymsg.content-line", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Data portion of the packet", HFILL }},
|
|
{ &hf_ymsg_content_line_key, {
|
|
"Key", "ymsg.content-line.key", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Content line key", HFILL }},
|
|
{ &hf_ymsg_content_line_value, {
|
|
"Value", "ymsg.content-line.value", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Content line value", HFILL }}
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_ymsg,
|
|
&ett_ymsg_content,
|
|
&ett_ymsg_content_line
|
|
};
|
|
module_t *ymsg_module;
|
|
|
|
proto_ymsg = proto_register_protocol("Yahoo YMSG Messenger Protocol",
|
|
"YMSG", "ymsg");
|
|
|
|
proto_register_field_array(proto_ymsg, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
ymsg_module = prefs_register_protocol(proto_ymsg, NULL);
|
|
prefs_register_bool_preference(ymsg_module, "desegment",
|
|
"Reassemble YMSG messages spanning multiple TCP segments",
|
|
"Whether the YMSG dissector should reassemble messages spanning multiple TCP segments. "
|
|
"To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
&ymsg_desegment);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_ymsg(void)
|
|
{
|
|
/*
|
|
* DO NOT register for port 23, as that's Telnet, or for port
|
|
* 25, as that's SMTP.
|
|
*
|
|
* Also, DO NOT register for port 5050, as that's used by the
|
|
* old and new Yahoo messenger protocols.
|
|
*
|
|
* Just register as a heuristic TCP dissector, and reject stuff
|
|
* that doesn't begin with a YMSG signature.
|
|
*/
|
|
heur_dissector_add("tcp", dissect_ymsg, proto_ymsg);
|
|
}
|