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 1.3 2000/10/15 14:26:49 bp Exp $ 33 */ 34 #include <sys/param.h> 35 #include <sys/errno.h> 36 #include <sys/stat.h> 37 #include <sys/socket.h> 38 #include <err.h> 39 #include <stdio.h> 40 #include <unistd.h> 41 #include <strings.h> 42 #include <stdlib.h> 43 #include <sysexits.h> 44 45 #include <netinet/in.h> 46 #include <arpa/inet.h> 47 48 #include <cflib.h> 49 50 #include <netsmb/netbios.h> 51 #include <netsmb/smb_lib.h> 52 #include <netsmb/nb_lib.h> 53 #include <netsmb/smb_conn.h> 54 55 #include "common.h" 56 57 58 int 59 cmd_lookup(int argc, char *argv[]) 60 { 61 struct nb_ctx *ctx; 62 struct sockaddr *sap; 63 char *hostname; 64 int error, opt; 65 66 if (argc < 2) 67 lookup_usage(); 68 error = nb_ctx_create(&ctx); 69 if (error) { 70 smb_error("unable to create nbcontext", error); 71 exit(1); 72 } 73 if (smb_open_rcfile() == 0) { 74 if (nb_ctx_readrcsection(smb_rc, ctx, "default", 0) != 0) 75 exit(1); 76 rc_close(smb_rc); 77 } 78 while ((opt = getopt(argc, argv, "w:")) != EOF) { 79 switch(opt){ 80 case 'w': 81 nb_ctx_setns(ctx, optarg); 82 break; 83 default: 84 lookup_usage(); 85 /*NOTREACHED*/ 86 } 87 } 88 if (optind >= argc) 89 lookup_usage(); 90 if (nb_ctx_resolve(ctx) != 0) 91 exit(1); 92 hostname = argv[argc - 1]; 93 /* printf("Looking for %s...\n", hostname);*/ 94 error = nbns_resolvename(hostname, ctx, &sap); 95 if (error) { 96 smb_error("unable to resolve %s", error, hostname); 97 exit(1); 98 } 99 printf("Got response from %s\n", inet_ntoa(ctx->nb_lastns.sin_addr)); 100 printf("IP address of %s: %s\n", hostname, inet_ntoa(((struct sockaddr_in*)sap)->sin_addr)); 101 return 0; 102 } 103 104 105 void 106 lookup_usage(void) 107 { 108 printf("usage: smbutil lookup [-w host] name\n"); 109 exit(1); 110 } 111