![Guy Harris](/assets/img/avatar_default.png)
dynamically-assigned "ett_" integer values, assigned by "proto_register_subtree_array()"; this: obviates the need to update "packet.h" whenever you add a new subtree type - you only have to add a call to "proto_register_subtree_array()" to a "register" routine and an array of pointers to "ett_", if they're not already there, and add a pointer to the new "ett_" variable to the array, if they are there; would allow run-time-loaded dissectors to allocate subtree types when they're loaded. svn path=/trunk/; revision=1043
200 lines
6.4 KiB
C
200 lines
6.4 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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* $Id: packet-yhoo.c,v 1.4 1999/11/16 11:43:03 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@unicom.net>
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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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* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <string.h>
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#include <glib.h>
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#include "packet.h"
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#include "packet-yhoo.h"
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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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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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{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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void
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dissect_yhoo(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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{
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proto_tree *yhoo_tree, *ti;
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struct yahoo_rawpacket *pkt;
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/* get at least a full packet structure */
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if ( !BYTES_ARE_IN_FRAME(offset, sizeof(struct yahoo_rawpacket)) )
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return;
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pkt = (struct yahoo_rawpacket *) &pd[offset];
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "YHOO");
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if (check_col(fd, COL_INFO))
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col_add_fstr(fd, COL_INFO,
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"%s: %s",
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( strncmp(pkt->version, "YPNS", 4) == 0 ) ? "Request" : "Response",
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val_to_str(pletohl(pkt->service),
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yhoo_service_vals, "Unknown Service: %u")
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);
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if (tree) {
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ti = proto_tree_add_item(tree, proto_yhoo, offset, END_OF_FRAME, NULL);
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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,
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offset, 8, pkt->version);
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proto_tree_add_item(yhoo_tree, hf_yhoo_len,
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offset+8, 4, pletohl(pkt->len));
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proto_tree_add_item(yhoo_tree, hf_yhoo_service,
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offset+12, 4, pletohl(pkt->service));
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proto_tree_add_item(yhoo_tree, hf_yhoo_connection_id,
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offset+16, 4, pletohl(pkt->connection_id));
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proto_tree_add_item(yhoo_tree, hf_yhoo_magic_id,
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offset+20, 4, pletohl(pkt->magic_id));
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proto_tree_add_item(yhoo_tree, hf_yhoo_unknown1,
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offset+24, 4, pletohl(pkt->unknown1));
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proto_tree_add_item(yhoo_tree, hf_yhoo_msgtype,
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offset+28, 4, pletohl(pkt->msgtype));
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proto_tree_add_item(yhoo_tree, hf_yhoo_nick1,
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offset+32, 36, pkt->nick1);
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proto_tree_add_item(yhoo_tree, hf_yhoo_nick2,
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offset+68, 36, pkt->nick2);
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proto_tree_add_item(yhoo_tree, hf_yhoo_content,
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offset+104, END_OF_FRAME, pkt->content);
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}
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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, "Service Type" }},
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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" }},
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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, "Connection ID" }},
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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, "Magic ID" }},
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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, "Unknown 1" }},
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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, "Packet Length" }},
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{ &hf_yhoo_nick1, {
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"Real Nick (nick1)", "yhoo.nick1", FT_STRING, 0,
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NULL, 0, "Real Nick (nick1)" }},
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{ &hf_yhoo_nick2, {
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"Active Nick (nick2)", "yhoo.nick2", FT_STRING, 0,
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NULL, 0, "Active Nick (nick2)" }},
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{ &hf_yhoo_content, {
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"Content", "yhoo.content", FT_STRING, 0,
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NULL, 0, "Data portion of the packet" }},
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{ &hf_yhoo_version, {
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"Version", "yhoo.version", FT_STRING, 0,
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NULL, 0, "Packet version identifier" }},
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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", "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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