315 lines
10 KiB
C
315 lines
10 KiB
C
/* packet-yhoo.c
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* Routines for yahoo messenger packet dissection
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* Copyright 1999, Nathan Neulinger <nneul@umr.edu>
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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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* Copied from packet-tftp.c
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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void proto_register_yhoo(void);
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void proto_reg_handoff_yhoo(void);
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static int proto_yhoo = -1;
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static int hf_yhoo_version = -1;
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static int hf_yhoo_len = -1;
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static int hf_yhoo_service = -1;
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static int hf_yhoo_connection_id = -1;
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static int hf_yhoo_magic_id = -1;
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static int hf_yhoo_unknown1 = -1;
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static int hf_yhoo_msgtype = -1;
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static int hf_yhoo_nick1 = -1;
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static int hf_yhoo_nick2 = -1;
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static int hf_yhoo_content = -1;
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static gint ett_yhoo = -1;
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#define TCP_PORT_YHOO 5050
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/* This is from yahoolib.h from gtkyahoo */
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/* Service constants */
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#define YAHOO_SERVICE_LOGON 1
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#define YAHOO_SERVICE_LOGOFF 2
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#define YAHOO_SERVICE_ISAWAY 3
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#define YAHOO_SERVICE_ISBACK 4
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#define YAHOO_SERVICE_IDLE 5
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#define YAHOO_SERVICE_MESSAGE 6
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#define YAHOO_SERVICE_IDACT 7
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#define YAHOO_SERVICE_IDDEACT 8
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#define YAHOO_SERVICE_MAILSTAT 9
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#define YAHOO_SERVICE_USERSTAT 10
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#define YAHOO_SERVICE_NEWMAIL 11
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#define YAHOO_SERVICE_CHATINVITE 12
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#define YAHOO_SERVICE_CALENDAR 13
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#define YAHOO_SERVICE_NEWPERSONALMAIL 14
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#define YAHOO_SERVICE_NEWCONTACT 15
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#define YAHOO_SERVICE_ADDIDENT 16
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#define YAHOO_SERVICE_ADDIGNORE 17
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#define YAHOO_SERVICE_PING 18
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#define YAHOO_SERVICE_GROUPRENAME 19
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#define YAHOO_SERVICE_SYSMESSAGE 20
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#define YAHOO_SERVICE_PASSTHROUGH2 22
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#define YAHOO_SERVICE_CONFINVITE 24
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#define YAHOO_SERVICE_CONFLOGON 25
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#define YAHOO_SERVICE_CONFDECLINE 26
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#define YAHOO_SERVICE_CONFLOGOFF 27
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#define YAHOO_SERVICE_CONFADDINVITE 28
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#define YAHOO_SERVICE_CONFMSG 29
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#define YAHOO_SERVICE_CHATLOGON 30
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#define YAHOO_SERVICE_CHATLOGOFF 31
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#define YAHOO_SERVICE_CHATMSG 32
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#define YAHOO_SERVICE_FILETRANSFER 70
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#define YAHOO_SERVICE_CHATADDINVITE 157
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#define YAHOO_SERVICE_AVATAR 188
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#define YAHOO_SERVICE_PICTURE_CHECKSUM 189
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#define YAHOO_SERVICE_PICTURE 190
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#define YAHOO_SERVICE_PICTURE_UPDATE 193
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#define YAHOO_SERVICE_PICTURE_UPLOAD 194
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#define YAHOO_SERVICE_YAHOO6_STATUS_UPDATE 198
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#define YAHOO_SERVICE_AVATAR_UPDATE 199
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#define YAHOO_SERVICE_AUDIBLE 208
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#define YAHOO_SERVICE_WEBLOGIN 550
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#define YAHOO_SERVICE_SMS_MSG 746
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/* Message flags */
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#define YAHOO_MSGTYPE_NONE 0
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#define YAHOO_MSGTYPE_NORMAL 1
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#define YAHOO_MSGTYPE_BOUNCE 2
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#define YAHOO_MSGTYPE_STATUS 4
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#define YAHOO_MSGTYPE_OFFLINE 1515563606 /* yuck! */
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#define YAHOO_RAWPACKET_LEN 105
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#if 0
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struct yahoo_rawpacket
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{
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char version[8]; /* 7 chars and trailing null */
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unsigned char len[4]; /* length - little endian */
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unsigned char service[4]; /* service - little endian */
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unsigned char connection_id[4]; /* connection number - little endian */
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unsigned char magic_id[4]; /* magic number used for http session */
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unsigned char unknown1[4];
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unsigned char msgtype[4];
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char nick1[36];
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char nick2[36];
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char content[1]; /* was zero, had problems with aix xlc */
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};
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#endif
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static const value_string yhoo_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_GROUPRENAME, "Group Renamed"},
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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_SYSMESSAGE, "System Message"},
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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_CONFMSG, "Conference Message"},
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{YAHOO_SERVICE_CONFADDINVITE, "Conference Additional Invitation"},
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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_FILETRANSFER, "File Transfer"},
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{YAHOO_SERVICE_PASSTHROUGH2, "Passthrough 2"},
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{YAHOO_SERVICE_CHATADDINVITE, "Chat add Invite"},
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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_YAHOO6_STATUS_UPDATE, "Status update"},
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{YAHOO_SERVICE_AUDIBLE, "Audible"},
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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 yhoo_msgtype_vals[] = {
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{YAHOO_MSGTYPE_NONE, "None"},
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{YAHOO_MSGTYPE_NORMAL, "Normal"},
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{YAHOO_MSGTYPE_BOUNCE, "Bounce"},
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{YAHOO_MSGTYPE_STATUS, "Status Update"},
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{YAHOO_MSGTYPE_OFFLINE, "Request Offline"},
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{0, NULL}
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};
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static gboolean
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dissect_yhoo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_tree *yhoo_tree, *ti;
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int offset = 0;
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if (pinfo->srcport != TCP_PORT_YHOO && pinfo->destport != TCP_PORT_YHOO) {
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/* Not the Yahoo port - not a Yahoo Messenger packet. */
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return FALSE;
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}
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/* get at least a full packet structure */
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if ( tvb_captured_length(tvb) < YAHOO_RAWPACKET_LEN ) {
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/* Not enough data captured; maybe it is a Yahoo
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Messenger packet, but it contains too little data to
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tell. */
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return FALSE;
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}
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if (tvb_memeql(tvb, offset, "YPNS", 4) != 0 &&
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tvb_memeql(tvb, offset, "YHOO", 4) != 0) {
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/* Not a Yahoo Messenger packet. */
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return FALSE;
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}
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "YHOO");
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s",
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( tvb_memeql(tvb, offset + 0, "YPNS", 4) == 0 ) ? "Request" : "Response",
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val_to_str(tvb_get_letohl(tvb, offset + 12),
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yhoo_service_vals, "Unknown Service: %u"));
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if (tree) {
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ti = proto_tree_add_item(tree, proto_yhoo, tvb,
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offset, -1, ENC_NA);
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yhoo_tree = proto_item_add_subtree(ti, ett_yhoo);
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proto_tree_add_item(yhoo_tree, hf_yhoo_version, tvb,
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offset, 8, ENC_ASCII|ENC_NA);
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offset += 8;
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proto_tree_add_item(yhoo_tree, hf_yhoo_len, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(yhoo_tree, hf_yhoo_service, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(yhoo_tree, hf_yhoo_connection_id, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(yhoo_tree, hf_yhoo_magic_id, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(yhoo_tree, hf_yhoo_unknown1, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(yhoo_tree, hf_yhoo_msgtype, tvb,
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offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item(yhoo_tree, hf_yhoo_nick1, tvb,
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offset, 36, ENC_ASCII|ENC_NA);
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offset += 36;
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proto_tree_add_item(yhoo_tree, hf_yhoo_nick2, tvb,
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offset, 36, ENC_ASCII|ENC_NA);
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offset += 36;
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proto_tree_add_item(yhoo_tree, hf_yhoo_content, tvb, -1,
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offset, ENC_ASCII|ENC_NA);
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}
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return TRUE;
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}
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void
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proto_register_yhoo(void)
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{
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static hf_register_info hf[] = {
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{ &hf_yhoo_service, {
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"Service Type", "yhoo.service", FT_UINT32, BASE_DEC,
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VALS(yhoo_service_vals), 0, NULL, HFILL }},
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{ &hf_yhoo_msgtype, {
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"Message Type", "yhoo.msgtype", FT_UINT32, BASE_DEC,
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VALS(yhoo_msgtype_vals), 0, "Message Type Flags", HFILL }},
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{ &hf_yhoo_connection_id, {
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"Connection ID", "yhoo.connection_id", FT_UINT32, BASE_HEX,
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NULL, 0, NULL, HFILL }},
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{ &hf_yhoo_magic_id, {
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"Magic ID", "yhoo.magic_id", FT_UINT32, BASE_HEX,
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NULL, 0, NULL, HFILL }},
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{ &hf_yhoo_unknown1, {
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"Unknown 1", "yhoo.unknown1", FT_UINT32, BASE_HEX,
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NULL, 0, NULL, HFILL }},
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{ &hf_yhoo_len, {
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"Packet Length", "yhoo.len", FT_UINT32, BASE_DEC,
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NULL, 0, NULL, HFILL }},
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{ &hf_yhoo_nick1, {
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"Real Nick (nick1)", "yhoo.nick1", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_yhoo_nick2, {
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"Active Nick (nick2)", "yhoo.nick2", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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{ &hf_yhoo_content, {
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"Content", "yhoo.content", FT_STRING, BASE_NONE,
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NULL, 0, "Data portion of the packet", HFILL }},
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{ &hf_yhoo_version, {
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"Version", "yhoo.version", FT_STRING, BASE_NONE,
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NULL, 0, "Packet version identifier", HFILL }},
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};
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static gint *ett[] = {
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&ett_yhoo,
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};
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proto_yhoo = proto_register_protocol("Yahoo Messenger Protocol",
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"YHOO", "yhoo");
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proto_register_field_array(proto_yhoo, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_yhoo(void)
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{
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/*
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* DO NOT register for port 5050, as that's used by the
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* old and new Yahoo messenger protocols.
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*
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* Just register as a heuristic TCP dissector, and reject stuff
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* not to or from that port.
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*/
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heur_dissector_add("tcp", dissect_yhoo, "Yahoo Messenger over TCP", "yhoo_tcp", proto_yhoo, HEURISTIC_ENABLE);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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