1/*
2 * Copyright (c) 2000, Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *    This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: lookup.c,v 1.3 2000/10/15 14:26:49 bp Exp $
33 */
34#include <sys/param.h>
35#include <sys/errno.h>
36#include <sys/stat.h>
37#include <sys/socket.h>
38#include <err.h>
39#include <stdio.h>
40#include <unistd.h>
41#include <strings.h>
42#include <stdlib.h>
43#include <sysexits.h>
44
45#include <netinet/in.h>
46#include <arpa/inet.h>
47
48#include <cflib.h>
49
50#include <netsmb/netbios.h>
51#include <netsmb/smb_lib.h>
52#include <netsmb/nb_lib.h>
53#include <netsmb/smb_conn.h>
54
55#include "common.h"
56
57
58int
59cmd_lookup(int argc, char *argv[])
60{
61	struct nb_ctx *ctx;
62	struct sockaddr *sap;
63	char *hostname;
64	int error, opt;
65
66	if (argc < 2)
67		lookup_usage();
68	error = nb_ctx_create(&ctx);
69	if (error) {
70		smb_error("unable to create nbcontext", error);
71		exit(1);
72	}
73	if (smb_open_rcfile() == 0) {
74		if (nb_ctx_readrcsection(smb_rc, ctx, "default", 0) != 0)
75			exit(1);
76		rc_close(smb_rc);
77	}
78	while ((opt = getopt(argc, argv, "w:")) != EOF) {
79		switch(opt){
80		    case 'w':
81			nb_ctx_setns(ctx, optarg);
82			break;
83		    default:
84			lookup_usage();
85			/*NOTREACHED*/
86		}
87	}
88	if (optind >= argc)
89		lookup_usage();
90	if (nb_ctx_resolve(ctx) != 0)
91		exit(1);
92	hostname = argv[argc - 1];
93/*	printf("Looking for %s...\n", hostname);*/
94	error = nbns_resolvename(hostname, ctx, &sap);
95	if (error) {
96		smb_error("unable to resolve %s", error, hostname);
97		exit(1);
98	}
99	printf("Got response from %s\n", inet_ntoa(ctx->nb_lastns.sin_addr));
100	printf("IP address of %s: %s\n", hostname, inet_ntoa(((struct sockaddr_in*)sap)->sin_addr));
101	return 0;
102}
103
104
105void
106lookup_usage(void)
107{
108	printf("usage: smbutil lookup [-w host] name\n");
109	exit(1);
110}
111