home *** CD-ROM | disk | FTP | other *** search
- /*
- * 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 <sys/param.h>
- #include <arpa/nameser.h>
- #include <netdb.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <resolv.h>
- #include <stdio.h>
-
- 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");
- }
-