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 1.1.1.1 2001/06/09 00:28:13 zarzycki Exp $
33 */
34
35/*
36 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
37 * Use is subject to license terms.
38 */
39
40#include <sys/param.h>
41#include <sys/errno.h>
42#include <sys/stat.h>
43#include <sys/socket.h>
44#include <stdio.h>
45#include <err.h>
46#include <unistd.h>
47#include <strings.h>
48#include <stdlib.h>
49#include <sysexits.h>
50#include <libintl.h>
51
52#include <netinet/in.h>
53#include <arpa/inet.h>
54
55#include <cflib.h>
56
57#include <netsmb/netbios.h>
58#include <netsmb/smb_lib.h>
59#include <netsmb/nb_lib.h>
60
61#include "common.h"
62
63
64int
65cmd_lookup(int argc, char *argv[])
66{
67	struct nb_ctx *ctx;
68	struct sockaddr *sap;
69	char *hostname;
70	int error, opt;
71
72	if (argc < 2)
73		lookup_usage();
74	error = nb_ctx_create(&ctx);
75	if (error) {
76		smb_error(gettext("unable to create nbcontext"), error);
77		exit(1);
78	}
79	if (smb_open_rcfile(NULL) == 0) {
80		if (nb_ctx_readrcsection(NULL, ctx, "default", 0) != 0)
81			exit(1);
82		smb_close_rcfile();
83	}
84	if ((ctx->nb_flags & NBCF_NS_ENABLE) == 0) {
85		fprintf(stderr,
86		    gettext("nbns_enable=false, cannot do lookup\n"));
87		exit(1);
88	}
89	while ((opt = getopt(argc, argv, "w:")) != EOF) {
90		switch (opt) {
91		case 'w':
92			nb_ctx_setns(ctx, optarg);
93			break;
94		default:
95			lookup_usage();
96			/*NOTREACHED*/
97		}
98	}
99	if (optind >= argc)
100		lookup_usage();
101	if (nb_ctx_resolve(ctx) != 0)
102		exit(1);
103	hostname = argv[argc - 1];
104	error = nbns_resolvename(hostname, ctx, &sap);
105	if (error) {
106		smb_error(gettext("unable to resolve %s"), error, hostname);
107		exit(1);
108	}
109	printf(gettext("Got response from %s\n"),
110	    inet_ntoa(ctx->nb_lastns.sin_addr));
111	printf(gettext("IP address of %s: %s\n"), hostname,
112	    inet_ntoa(((struct sockaddr_in *)sap)->sin_addr));
113	return (0);
114}
115
116
117void
118lookup_usage(void)
119{
120	printf(gettext("usage: smbutil lookup [-w host] name\n"));
121	exit(1);
122}
123