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/*
Unix SMB / Netbios implementation .
Version 1.9 .
NBT client - used to lookup netbios names
Copyright ( C ) Andrew Tridgell 1994 - 1995
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 . , 675 Mass Ave , Cambridge , MA 0213 9 , USA .
*/
# ifdef SYSLOG
# undef SYSLOG
# endif
# include "includes.h"
extern int DEBUGLEVEL ;
extern pstring scope ;
extern pstring myhostname ;
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extern struct in_addr ipzero ;
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int ServerFD = - 1 ;
/****************************************************************************
open the socket communication
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static BOOL open_sockets ( void )
{
struct hostent * hp ;
/* get host info */
if ( ( hp = Get_Hostbyname ( myhostname ) ) = = 0 )
{
DEBUG ( 0 , ( " Get_Hostbyname: Unknown host. %s \n " , myhostname ) ) ;
return False ;
}
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ServerFD = open_socket_in ( SOCK_DGRAM , 0 , 3 ) ;
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if ( ServerFD = = - 1 )
return ( False ) ;
set_socket_options ( ServerFD , " SO_BROADCAST " ) ;
DEBUG ( 3 , ( " Socket opened. \n " ) ) ;
return True ;
}
/****************************************************************************
initialise connect , service and file structs
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static BOOL init_structs ( void )
{
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if ( ! get_myname ( myhostname , NULL ) )
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return ( False ) ;
return True ;
}
/****************************************************************************
usage on the program
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static void usage ( void )
{
printf ( " Usage: nmblookup [-M] [-B bcast address] [-d debuglevel] name \n " ) ;
printf ( " Version %s \n " , VERSION ) ;
printf ( " \t -d debuglevel set the debuglevel \n " ) ;
printf ( " \t -B broadcast address the address to use for broadcasts \n " ) ;
printf ( " \t -M searches for a master browser \n " ) ;
printf ( " \t -S lookup node status as well \n " ) ;
printf ( " \n " ) ;
}
/****************************************************************************
main program
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
int main ( int argc , char * argv [ ] )
{
int opt ;
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unsigned int lookup_type = 0x0 ;
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pstring lookup ;
extern int optind ;
extern char * optarg ;
BOOL find_master = False ;
BOOL find_status = False ;
int i ;
DEBUGLEVEL = 1 ;
* lookup = 0 ;
TimeInit ( ) ;
setup_logging ( argv [ 0 ] , True ) ;
charset_initialise ( ) ;
while ( ( opt = getopt ( argc , argv , " p:d:B:i:SMh " ) ) ! = EOF )
switch ( opt )
{
case ' B ' :
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iface_set_default ( NULL , optarg , NULL ) ;
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break ;
case ' i ' :
strcpy ( scope , optarg ) ;
strupper ( scope ) ;
break ;
case ' M ' :
find_master = True ;
break ;
case ' S ' :
find_status = True ;
break ;
case ' d ' :
DEBUGLEVEL = atoi ( optarg ) ;
break ;
case ' h ' :
usage ( ) ;
exit ( 0 ) ;
break ;
default :
usage ( ) ;
exit ( 1 ) ;
}
if ( argc < 2 ) {
usage ( ) ;
exit ( 1 ) ;
}
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load_interfaces ( ) ;
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init_structs ( ) ;
if ( ! open_sockets ( ) ) return ( 1 ) ;
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DEBUG ( 1 , ( " Sending queries to %s \n " , inet_ntoa ( * iface_bcast ( ipzero ) ) ) ) ;
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for ( i = optind ; i < argc ; i + + )
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{
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BOOL bcast = True ;
int retries = 2 ;
char * p ;
struct in_addr ip ;
strcpy ( lookup , argv [ i ] ) ;
if ( find_master ) {
if ( * lookup = = ' - ' ) {
strcpy ( lookup , " \01 \02 __MSBROWSE__ \02 " ) ;
lookup_type = 1 ;
} else {
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lookup_type = 0x1b ;
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}
}
p = strchr ( lookup , ' # ' ) ;
if ( p ) {
* p = 0 ;
sscanf ( p + 1 , " %x " , & lookup_type ) ;
bcast = False ;
retries = 1 ;
}
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if ( name_query ( ServerFD , lookup , lookup_type , bcast , True ,
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* iface_bcast ( ipzero ) , & ip , NULL ) )
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{
printf ( " %s %s \n " , inet_ntoa ( ip ) , lookup ) ;
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}
if ( find_status )
{
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printf ( " Looking up status of %s \n " , inet_ntoa ( ip ) ) ;
name_status ( ServerFD , lookup , lookup_type , True , ip , NULL , NULL , NULL ) ;
printf ( " \n " ) ;
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}
}
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return ( 0 ) ;
}