NetBSD/dist/smbfs/smbutil/lookup.c

111 lines
3.3 KiB
C

/*
* Copyright (c) 2000, Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Id: lookup.c,v 1.3 2000/10/15 14:26:49 bp Exp
*/
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <err.h>
#include <stdio.h>
#include <unistd.h>
#include <strings.h>
#include <stdlib.h>
#include <sysexits.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <cflib.h>
#include <netsmb/netbios.h>
#include <netsmb/smb_lib.h>
#include <netsmb/nb_lib.h>
#include <netsmb/smb_conn.h>
#include "common.h"
int
cmd_lookup(int argc, char *argv[])
{
struct nb_ctx *ctx;
struct sockaddr *sap;
char *hostname;
int error, opt;
if (argc < 2)
lookup_usage();
error = nb_ctx_create(&ctx);
if (error) {
smb_error("unable to create nbcontext", error);
exit(1);
}
if (smb_open_rcfile() == 0) {
if (nb_ctx_readrcsection(smb_rc, ctx, "default", 0) != 0)
exit(1);
rc_close(smb_rc);
}
while ((opt = getopt(argc, argv, "w:")) != EOF) {
switch(opt){
case 'w':
nb_ctx_setns(ctx, optarg);
break;
default:
lookup_usage();
/*NOTREACHED*/
}
}
if (optind >= argc)
lookup_usage();
if (nb_ctx_resolve(ctx) != 0)
exit(1);
hostname = argv[argc - 1];
/* printf("Looking for %s...\n", hostname);*/
error = nbns_resolvename(hostname, ctx, &sap);
if (error) {
smb_error("unable to resolve %s", error, hostname);
exit(1);
}
printf("Got response from %s\n", inet_ntoa(ctx->nb_lastns.sin_addr));
printf("IP address of %s: %s\n", hostname, inet_ntoa(((struct sockaddr_in*)sap)->sin_addr));
return 0;
}
void
lookup_usage(void)
{
printf("usage: smbutil lookup [-w host] name\n");
exit(1);
}