/* * Copyright (c) 1986 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint char copyright[] = "@(#) Copyright (c) 1986 Regents of the University of California.\n\ All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)nsquery.c 4.8 (Berkeley) 6/1/90"; #endif /* not lint */ #include #include #include #include #include #include #include main(argc, argv) int argc; char **argv; { extern struct state _res; register struct hostent *hp; register char *s; if (argc >= 2 && strcmp(argv[1], "-d") == 0) { _res.options |= RES_DEBUG; argc--; argv++; } if (argc < 2) { fprintf(stderr, "usage: nsquery [-d] host [server]\n"); exit(1); } if (argc == 3) { hp = gethostbyname(argv[2]); if (hp == NULL) { fprintf(stderr, "nsquery:"); herror(argv[2]); exit(1); } printf("\nServer:\n"); printanswer(hp); _res.nsaddr.sin_addr = *(struct in_addr *)hp->h_addr; } hp = gethostbyname(argv[1]); if (hp == NULL) { fprintf(stderr, "nsquery: %s: ", argv[1]); herror((char *)NULL); exit(1); } printanswer(hp); exit(0); } printanswer(hp) register struct hostent *hp; { register char **cp; extern char *inet_ntoa(); printf("Name: %s\n", hp->h_name); #if BSD >= 43 || defined(h_addr) printf("Addresses:"); for (cp = hp->h_addr_list; cp && *cp; cp++) printf(" %s", inet_ntoa(*(struct in_addr *)(*cp))); printf("\n"); #else printf("Address: %s\n", inet_ntoa(*(struct in_addr *)hp->h_addr)); #endif printf("Aliases:"); for (cp = hp->h_aliases; cp && *cp && **cp; cp++) printf(" %s", *cp); printf("\n\n"); }