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