usr/src/cmd/fs.d/smbclnt/smbutil/lookup.c

   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
  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
 118 lookup_usage(void)
 119 {
 120         printf(gettext("usage: smbutil lookup [-w host] name\n"));
 121         exit(1);
 122 }