117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
/* $NetBSD: hesinfo.c,v 1.4 2012/03/20 20:34:57 matt Exp $ */
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/* Copyright 1988, 1996 by the Massachusetts Institute of Technology.
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*
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in
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* advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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* M.I.T. makes no representations about the suitability of
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* this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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/* This file is a simple driver for the Hesiod library. */
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char rcsid[] = "#Id: hesinfo.c,v 1.8 1996/12/08 21:29:54 ghudson Exp #";
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#else
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__RCSID("$NetBSD: hesinfo.c,v 1.4 2012/03/20 20:34:57 matt Exp $");
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#endif
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#endif /* not lint */
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#include <err.h>
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#include <errno.h>
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#include <hesiod.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int main(int, char **);
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int
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main(int argc, char **argv)
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{
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char **list, **p, *bindname, *name, *type;
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int lflag = 0, errflg = 0, bflag = 0, c;
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void *context;
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while ((c = getopt(argc, argv, "lb")) != -1) {
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switch (c) {
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case 'l':
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lflag = 1;
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break;
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case 'b':
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bflag = 1;
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break;
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default:
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errflg++;
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break;
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}
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}
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if (argc - optind != 2 || errflg) {
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fprintf(stderr, "usage: %s [-bl] name type\n", getprogname());
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fprintf(stderr, "\t-l selects long format\n");
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fprintf(stderr, "\t-b also does hes_to_bind conversion\n");
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exit(2);
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}
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name = argv[optind];
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type = argv[optind + 1];
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if (hesiod_init(&context) < 0) {
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if (errno == ENOEXEC)
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warnx(
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"hesiod_init: Invalid Hesiod configuration file.");
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else
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warn("hesiod_init");
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}
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/* Display bind name if requested. */
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if (bflag) {
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if (lflag)
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printf("hes_to_bind(%s, %s) expands to\n", name, type);
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bindname = hesiod_to_bind(context, name, type);
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if (!bindname) {
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if (lflag)
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printf("nothing\n");
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if (errno == ENOENT)
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warnx("hesiod_to_bind: Unknown rhs-extension.");
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else
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warn("hesiod_to_bind");
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exit(1);
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}
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printf("%s\n", bindname);
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free(bindname);
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if (lflag)
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printf("which ");
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}
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if (lflag)
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printf("resolves to\n");
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/* Do the hesiod resolve and check for errors. */
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list = hesiod_resolve(context, name, type);
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if (!list) {
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if (lflag)
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printf("nothing\n");
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if (errno == ENOENT)
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warnx("hesiod_resolve: Hesiod name not found.");
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else
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warn("hesiod_resolve");
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exit(1);
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}
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/* Display the results. */
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for (p = list; *p; p++)
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printf("%s\n", *p);
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hesiod_free_list(context, list);
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hesiod_end(context);
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exit(0);
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}
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