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/*
Unix SMB/Netbios implementation.
Version 1.9.
NBT client - used to lookup netbios names
Copyright (C) Andrew Tridgell 1994-1997
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 02139, USA.
*/
#ifdef SYSLOG
#undef SYSLOG
#endif
#include "includes.h"
extern int DEBUGLEVEL;
extern pstring scope;
extern pstring myhostname;
extern struct in_addr ipzero;
int ServerFD= -1;
int RootPort = 0;
/****************************************************************************
open the socket communication
**************************************************************************/
static BOOL open_sockets(void)
{
ServerFD = open_socket_in( SOCK_DGRAM,
(RootPort ? 137 :0),
3,
interpret_addr(lp_socket_address()) );
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 )
{
if (!get_myname(myhostname,NULL))
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-U unicast address the address to use for unicast\n");
printf("\t-M searches for a master browser\n");
printf("\t-R set recursion desired in packet\n");
printf("\t-S lookup node status as well\n");
printf("\t-r Use root port 137 (Win95 only replies to this)\n");
printf("\t-A Do a node status on <name> as an IP Address\n");
printf("\n");
}
/****************************************************************************
main program
****************************************************************************/
int main(int argc,char *argv[])
{
int opt;
unsigned int lookup_type = 0x0;
pstring lookup;
extern int optind;
extern char *optarg;
BOOL find_master=False;
BOOL find_status=False;
int i;
static pstring servicesf = CONFIGFILE;
struct in_addr bcast_addr;
BOOL use_bcast = True;
BOOL got_bcast = False;
BOOL lookup_by_ip = False;
BOOL recursion_desired = False;
DEBUGLEVEL = 1;
*lookup = 0;
TimeInit();
setup_logging(argv[0],True);
charset_initialise();
while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhAR")) != EOF)
switch (opt)
{
case 'B':
iface_set_default(NULL,optarg,NULL);
bcast_addr = *interpret_addr2(optarg);
got_bcast = True;
use_bcast = True;
break;
case 'U':
iface_set_default(NULL,optarg,NULL);
bcast_addr = *interpret_addr2(optarg);
got_bcast = True;
use_bcast = False;
break;
case 'i':
fstrcpy(scope,optarg);
strupper(scope);
break;
case 'M':
find_master = True;
break;
case 'S':
find_status = True;
break;
case 'R':
recursion_desired = True;
break;
case 'd':
DEBUGLEVEL = atoi(optarg);
break;
case 's':
pstrcpy(servicesf, optarg);
break;
case 'r':
RootPort = -1;
break;
case 'h':
usage();
exit(0);
break;
case 'A':
lookup_by_ip = True;
break;
default:
usage();
exit(1);
}
if (argc < 2) {
usage();
exit(1);
}
if (!lp_load(servicesf,True)) {
fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
}
load_interfaces();
init_structs();
if (!open_sockets()) return(1);
if (!got_bcast)
bcast_addr = *iface_bcast(ipzero);
DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_addr)));
for (i=optind;i<argc;i++)
{
int retries = 2;
char *p;
struct in_addr ip;
fstrcpy(lookup,argv[i]);
if(lookup_by_ip)
{
strcpy(lookup,"*");
ip = *interpret_addr2(argv[i]);
printf("Looking up status of %s\n",inet_ntoa(ip));
name_status(ServerFD,lookup,lookup_type,True,ip,NULL,NULL,NULL);
printf("\n");
continue;
}
if (find_master) {
if (*lookup == '-') {
strcpy(lookup,"\01\02__MSBROWSE__\02");
lookup_type = 1;
} else {
lookup_type = 0x1d;
}
}
p = strchr(lookup,'#');
if (p) {
*p = 0;
sscanf(p+1,"%x",&lookup_type);
retries = 1;
}
if (name_query(ServerFD,lookup,lookup_type,use_bcast,recursion_desired,
bcast_addr,&ip,NULL))
{
printf("%s %s\n",inet_ntoa(ip),lookup);
/* We can only do find_status if the ip address returned
was valid - ie. name_query returned true.
*/
if (find_status)
{
printf("Looking up status of %s\n",inet_ntoa(ip));
name_status(ServerFD,lookup,lookup_type,True,ip,NULL,NULL,NULL);
printf("\n");
}
}
else
{
printf("name_query failed to find name %s\n", lookup);
}
}
return(0);
}
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