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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 02139, USA.
*/
#ifdef SYSLOG
#undef SYSLOG
#endif
#include "includes.h"
extern int DEBUGLEVEL;
extern pstring scope;
extern struct in_addr bcast_ip;
extern pstring myhostname;
static BOOL got_bcast = False;
struct in_addr ipzero;
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;
}
ServerFD = open_socket_in(SOCK_DGRAM, 0,3);
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 )
{
struct in_addr myip;
if (!get_myname(myhostname,&myip))
return(False);
/* Read the broadcast address from the interface */
{
struct in_addr ip0,ip2;
ip0 = myip;
if (!got_bcast) {
get_broadcast(&ip0,&bcast_ip,&ip2);
DEBUG(2,("Using broadcast %s\n",inet_ntoa(bcast_ip)));
}
}
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;
unsigned int lookup_type = 0x20;
pstring lookup;
extern int optind;
extern char *optarg;
BOOL find_master=False;
BOOL find_status=False;
int i;
DEBUGLEVEL = 1;
*lookup = 0;
TimeInit();
ipzero = *interpret_addr2("0.0.0.0");
setup_logging(argv[0],True);
charset_initialise();
while ((opt = getopt(argc, argv, "p:d:B:i:SMh")) != EOF)
switch (opt)
{
case 'B':
{
unsigned long a = interpret_addr(optarg);
putip((char *)&bcast_ip,(char *)&a);
got_bcast = True;
}
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);
}
init_structs();
if (!open_sockets()) return(1);
DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_ip)));
for (i=optind;i<argc;i++)
{
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 {
lookup_type = 0x1d;
}
}
p = strchr(lookup,'#');
if (p) {
*p = 0;
sscanf(p+1,"%x",&lookup_type);
bcast = False;
retries = 1;
}
if (name_query(ServerFD,lookup,lookup_type,bcast,True,
bcast_ip,&ip,NULL))
{
printf("%s %s\n",inet_ntoa(ip),lookup);
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("couldn't find name %s\n",lookup);
}
}
return(0);
}
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