xref: /titanic_50/usr/src/cmd/fs.d/smbclnt/smbutil/lookup.c (revision 613a2f6ba31e891e3d947a356daf5e563d43c1ce)
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