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/* packet-smb-browse.c
* Routines for smb packet dissection
* Copyright 1999 , Richard Sharpe < rsharpe @ ns . aus . com >
*
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* $ Id : packet - smb - browse . c , v 1.4 2000 / 05 / 31 05 : 07 : 40 guy Exp $
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*
* Ethereal - Network traffic analyzer
* By Gerald Combs < gerald @ zing . org >
* Copyright 1998 Gerald Combs
*
* Copied from packet - pop . c
*
* 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>
# ifdef HAVE_SYS_TYPES_H
# include <sys / types.h>
# endif
# ifdef HAVE_NETINET_IN_H
# include <netinet / in.h>
# endif
# include <time.h>
# include <string.h>
# include <glib.h>
# include <ctype.h>
# include "packet.h"
# include "conversation.h"
# include "smb.h"
# include "alignment.h"
static int proto_smb_browse = - 1 ;
static gint ett_browse = - 1 ;
static gint ett_browse_flags = - 1 ;
static gint ett_browse_election_criteria = - 1 ;
static gint ett_browse_election_os = - 1 ;
static gint ett_browse_election_desire = - 1 ;
char * browse_commands [ ] =
{ " Error, No such command! " , /* Value 0 */
" Host Announcement " , /* Value 1 */
" Request Announcement " , /* Value 2 */
" Error, No such command! " , /* Value 3 */
" Error, No such command! " , /* Value 4 */
" Error, No such command! " , /* Value 5 */
" Error, No such command! " , /* Value 6 */
" Error, No such command! " , /* Value 7 */
" Browser Election Request " , /* Value 8 */
" Get Backup List Request " , /* Value 9 */
" Get Backup List Response " , /* Value 10 */
" Become Backup Browser " , /* Value 11 */
" Domain/Workgroup Announcement " , /* Value 12 */
" Master Announcement " , /* Value 13 */
" Error! No such command " , /* Value 14 */
" Local Master Announcement " /* Value 15 */
} ;
# define HOST_ANNOUNCE 1
# define REQUEST_ANNOUNCE 2
# define BROWSER_ELECTION 8
# define GETBACKUPLISTREQ 9
# define GETBACKUPLISTRESP 10
# define BECOMEBACKUPBROWSER 11
# define DOMAINANNOUNCEMENT 12
# define MASTERANNOUNCEMENT 13
# define LOCALMASTERANNOUNC 15
char * svr_types [ 32 ] = {
" Workstation " ,
" Server " ,
" SQL Server " ,
" Domain Controller " ,
" Backup Controller " ,
" Time Source " ,
" Apple Server " ,
" Novell Server " ,
" Domain Member Server " ,
" Print Queue Server " ,
" Dialin Server " ,
" Xenix Server " ,
" NT Workstation " ,
" Windows for Workgroups " ,
" Unknown Server - FIXME " ,
" NT Server " ,
" Potential Browser " ,
" Backup Browser " ,
" Master Browser " ,
" Domain Master Browser " ,
" OSF " ,
" VMS " ,
" Windows 95 or above " ,
" Unused " ,
" Unused " ,
" Unused " ,
" Unused " ,
" Unused " ,
" Unused " ,
" Unused " ,
" Local List Only " ,
" Domain Enum "
} ;
guint32
dissect_mailslot_browse ( const u_char * pd , int offset , frame_data * fd , proto_tree * parent , proto_tree * tree , struct smb_info si , int max_data , int SMB_offset , int errcode , int dirn , const u_char * command , int DataOffset , int DataCount )
{
guint8 OpCode ;
guint8 UpdateCount ;
guint8 VersionMajor ;
guint8 VersionMinor ;
guint32 Periodicity ;
guint32 ServerType ;
guint16 SigConstant ;
guint32 Token ;
guint8 BackupServerCount ;
guint8 Flags ;
guint32 MBZ ;
guint8 ElectionVersion ;
guint32 ElectionCriteria ;
guint8 ElectionOS ;
guint8 ElectionDesire ;
guint16 ElectionRevision ;
guint32 ServerUpTime ;
const char * ServerName ;
const char * ServerComment ;
proto_tree * browse_tree = NULL , * flags_tree = NULL ,
* OSflags = NULL , * DesireFlags = NULL ;
proto_item * ti , * ec ;
guint32 loc_offset = DataOffset , count = 0 ;
int i ;
if ( check_col ( fd , COL_PROTOCOL ) )
col_add_str ( fd , COL_PROTOCOL , " BROWSER " ) ;
if ( check_col ( fd , COL_INFO ) ) /* Put in something, and replace it later */
col_add_str ( fd , COL_INFO , " Browse Announcement " ) ;
/*
* Now , decode the browse request
*/
OpCode = GBYTE ( pd , loc_offset ) ;
if ( check_col ( fd , COL_INFO ) )
col_add_fstr ( fd , COL_INFO , ( OpCode > ( sizeof ( browse_commands ) / sizeof ( char * ) ) ) ? " Error, No Such Command:%u " : browse_commands [ OpCode ] , OpCode ) ;
if ( tree ) { /* Add the browse tree */
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ti = proto_tree_add_item ( parent , proto_smb_browse , NullTVB , DataOffset , DataCount , FALSE ) ;
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browse_tree = proto_item_add_subtree ( ti , ett_browse ) ;
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " OpCode: %s " , ( OpCode > ( sizeof ( browse_commands ) / sizeof ( char * ) ) ) ? " Error, No Such Command " : browse_commands [ OpCode ] ) ;
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}
loc_offset + = 1 ; /* Skip the OpCode */
switch ( OpCode ) {
case DOMAINANNOUNCEMENT :
case LOCALMASTERANNOUNC :
case HOST_ANNOUNCE :
UpdateCount = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Update Count: %u " , UpdateCount ) ;
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}
loc_offset + = 1 ; /* Skip the Update Count */
Periodicity = GWORD ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 4 , " Update Periodicity: %u Sec " , Periodicity / 1000 ) ;
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}
loc_offset + = 4 ;
ServerName = pd + loc_offset ;
if ( check_col ( fd , COL_INFO ) ) {
col_append_fstr ( fd , COL_INFO , " %s " , ServerName ) ;
}
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 16 , ( OpCode = = DOMAINANNOUNCEMENT ) ? " Domain/WorkGroup: %s " : " Host Name: %s " , ServerName ) ;
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}
loc_offset + = 16 ;
VersionMajor = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Major Version: %u " , VersionMajor ) ;
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}
loc_offset + = 1 ;
VersionMinor = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Minor Version: %u " , VersionMinor ) ;
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}
loc_offset + = 1 ;
ServerType = GWORD ( pd , loc_offset ) ;
if ( check_col ( fd , COL_INFO ) ) {
/* Append the type(s) of the system to the COL_INFO line ... */
for ( i = 0 ; i < 32 ; i + + ) {
if ( ServerType & ( 1 < < i ) & & ( strcmp ( " Unused " , svr_types [ i ] ) ! = 0 ) )
col_append_fstr ( fd , COL_INFO , " , %s " , svr_types [ i ] ) ;
}
}
if ( tree ) {
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ti = proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 4 , " Server Type: 0x%04x " , ServerType ) ;
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flags_tree = proto_item_add_subtree ( ti , ett_browse_flags ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0001 , 32 , " Workstation " , " Not Workstation " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0002 , 32 , " Server " , " Not Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0004 , 32 , " SQL Server " , " Not SQL Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0008 , 32 , " Domain Controller " , " Not Domain Controller " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0010 , 32 , " Backup Controller " , " Not Backup Controller " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0020 , 32 , " Time Source " , " Not Time Source " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0040 , 32 , " Apple Server " , " Not Apple Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0080 , 32 , " Novell Server " , " Not Novell Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0100 , 32 , " Domain Member Server " , " Not Domain Member Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0200 , 32 , " Print Queue Server " , " Not Print Queue Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0400 , 32 , " Dialin Server " , " Not Dialin Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x0800 , 32 , " Xenix Server " , " Not Xenix Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x1000 , 32 , " NT Workstation " , " Not NT Workstation " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x2000 , 32 , " Windows for Workgroups " , " Not Windows for Workgroups " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x8000 , 32 , " NT Server " , " Not NT Server " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x10000 , 32 , " Potential Browser " , " Not Potential Browser " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x20000 , 32 , " Backup Browser " , " Not Backup Browser " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x40000 , 32 , " Master Browser " , " Not Master Browser " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x80000 , 32 , " Domain Master Browser " , " Not Domain Master Browser " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x100000 , 32 , " OSF " , " Not OSF " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x200000 , 32 , " VMS " , " Not VMS " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x400000 , 32 , " Windows 95 or above " , " Not Windows 95 or above " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x40000000 , 32 , " Local List Only " , " Not Local List Only " ) ) ;
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proto_tree_add_text ( flags_tree , NullTVB , loc_offset , 4 , " %s " ,
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decode_boolean_bitfield ( ServerType , 0x80000000 , 32 , " Domain Enum " , " Not Domain Enum " ) ) ;
}
loc_offset + = 4 ;
ElectionVersion = GSHORT ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 2 , " Election Version: %u " , ElectionVersion ) ;
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}
loc_offset + = 2 ;
SigConstant = GSHORT ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 2 , " Signature: %u (0x%04X) " , SigConstant , SigConstant ) ;
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}
loc_offset + = 2 ;
ServerComment = pd + loc_offset ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , strlen ( ServerComment ) + 1 , " Host Comment: %s " , ServerComment ) ;
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}
break ;
case REQUEST_ANNOUNCE :
Flags = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Unused Flags: %u " , Flags ) ;
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}
loc_offset + = 1 ;
ServerName = pd + loc_offset ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , strlen ( ServerName ) + 1 , " Send List To: %s " , ServerName ) ;
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}
break ;
case BROWSER_ELECTION :
ElectionVersion = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Election Version = %u " , ElectionVersion ) ;
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}
loc_offset + = 1 ;
ElectionCriteria = GWORD ( pd , loc_offset ) ;
ElectionOS = GBYTE ( pd , loc_offset + 3 ) ;
ElectionRevision = GSHORT ( pd , loc_offset + 1 ) ;
ElectionDesire = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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ti = proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 4 , " Election Criteria = %u (0x%08X) " , ElectionCriteria , ElectionCriteria ) ;
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ec = proto_item_add_subtree ( ti , ett_browse_election_criteria ) ;
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ti = proto_tree_add_text ( ec , NullTVB , loc_offset + 3 , 1 , " Election OS Summary: %u (0x%02X) " , ElectionOS , ElectionOS ) ;
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OSflags = proto_item_add_subtree ( ti , ett_browse_election_os ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x01 , 8 , " Windows for Workgroups " , " Not Windows for Workgroups " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x02 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x04 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x08 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x10 , 8 , " Windows NT Workstation " , " Not Windows NT Workstation " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x20 , 8 , " Windows NT Server " , " Not Windows NT Server " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x40 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( OSflags , NullTVB , loc_offset + 3 , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionOS , 0x80 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( ec , NullTVB , loc_offset + 1 , 2 , " Election Revision: %u (0x%04X) " , ElectionRevision , ElectionRevision ) ;
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ti = proto_tree_add_text ( ec , NullTVB , loc_offset , 1 , " Election Desire Summary: %u (0x%02X) " , ElectionDesire , ElectionDesire ) ;
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DesireFlags = proto_item_add_subtree ( ti , ett_browse_election_desire ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x01 , 8 , " Backup Browse Server " , " Not Backup Browse Server " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x02 , 8 , " Standby Browse Server " , " Not Standby Browse Server " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x04 , 8 , " Master Browser " , " Not Master Browser " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x08 , 8 , " Domain Master Browse Server " , " Not Domain Master Browse Server " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x10 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x20 , 8 , " WINS Client " , " Not WINS Client " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x40 , 8 , " Unknown " , " Not used " ) ) ;
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proto_tree_add_text ( DesireFlags , NullTVB , loc_offset , 1 , " %s " ,
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decode_boolean_bitfield ( ElectionDesire , 0x80 , 8 , " Windows NT Advanced Server " , " Not Windows NT Advanced Server " ) ) ;
}
loc_offset + = 4 ;
ServerUpTime = GWORD ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 4 , " Server Up Time: %u Sec (%ums) " , ServerUpTime / 1000 , ServerUpTime ) ;
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}
loc_offset + = 4 ;
MBZ = GWORD ( pd , loc_offset ) ;
loc_offset + = 4 ;
ServerName = pd + loc_offset ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , strlen ( ServerName ) + 1 , " Election Server Name: %s " , ServerName ) ;
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}
break ;
case GETBACKUPLISTREQ :
BackupServerCount = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Backup List Requested Count: %u " , BackupServerCount ) ;
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}
loc_offset + = 1 ;
Token = GWORD ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 4 , " Backup Request Token: %u " , Token ) ;
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}
break ;
case GETBACKUPLISTRESP :
BackupServerCount = GBYTE ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 1 , " Backup Server Count: %u " , BackupServerCount ) ;
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}
loc_offset + = 1 ;
Token = GWORD ( pd , loc_offset ) ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , 4 , " Backup Response Token: %u " , Token ) ;
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}
loc_offset + = 4 ;
ServerName = pd + loc_offset ;
for ( count = 1 ; count < = BackupServerCount ; count + + ) {
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , strlen ( ServerName ) + 1 , " Backup Server: %s " , ServerName ) ;
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}
loc_offset + = strlen ( ServerName ) + 1 ;
ServerName = pd + loc_offset ;
}
break ;
case BECOMEBACKUPBROWSER :
ServerName = pd + loc_offset ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , strlen ( ServerName ) + 1 , " Browser to Promote: %s " , ServerName ) ;
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}
break ;
case MASTERANNOUNCEMENT :
ServerName = pd + loc_offset ;
if ( tree ) {
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proto_tree_add_text ( browse_tree , NullTVB , loc_offset , strlen ( ServerName ) + 1 , " Server Name: %s " , ServerName ) ;
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}
break ;
default :
break ;
}
return 1 ; /* Success */
}
void
register_proto_smb_browse ( void ) {
static gint * ett [ ] = {
& ett_browse ,
& ett_browse_flags ,
& ett_browse_election_criteria ,
& ett_browse_election_os ,
& ett_browse_election_desire
} ;
proto_smb_browse = proto_register_protocol ( " Microsoft Windows Browser Protocol " , " browser " ) ;
proto_register_subtree_array ( ett , array_length ( ett ) ) ;
}