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- /*
- * Copyright (c) 1986 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted provided
- * that: (1) source distributions retain this entire copyright notice and
- * comment, and (2) distributions including binaries display the following
- * acknowledgement: ``This product includes software developed by the
- * University of California, Berkeley and its contributors'' in the
- * documentation or other materials provided with the distribution and in
- * all advertising materials mentioning features or use of this software.
- * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #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");
- }
-