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
64 int
cmd_lookup(int argc,char * argv[])65 cmd_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
117 void
lookup_usage(void)118 lookup_usage(void)
119 {
120 printf(gettext("usage: smbutil lookup [-w host] name\n"));
121 exit(1);
122 }
123