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/* $NetBSD: hesinfo.c,v 1.1 1999/01/25 22:45:55 lukem Exp $ */
/* Copyright 1988, 1996 by the Massachusetts Institute of Technology.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
/* This file is a simple driver for the Hesiod library. */
#include <sys/cdefs.h>
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <err.h>
#include <errno.h>
#include <hesiod.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main(int, char **);
extern char *__progname;
int
main(argc, argv)
int argc;
char **argv;
{
char **list, **p, *bindname, *name, *type;
int lflag = 0, errflg = 0, bflag = 0, c;
void *context;
while ((c = getopt(argc, argv, "lb")) != -1) {
switch (c) {
case 'l':
lflag = 1;
break;
case 'b':
bflag = 1;
break;
default:
errflg++;
break;
}
}
if (argc - optind != 2 || errflg) {
fprintf(stderr, "Usage: %s [-bl] name type\n", __progname);
fprintf(stderr, "\t-l selects long format\n");
fprintf(stderr, "\t-b also does hes_to_bind conversion\n");
exit(2);
}
name = argv[optind];
type = argv[optind + 1];
if (hesiod_init(&context) < 0) {
if (errno == ENOEXEC)
warnx(
"hesiod_init: Invalid Hesiod configuration file.");
else
warn("hesiod_init");
}
/* Display bind name if requested. */
if (bflag) {
if (lflag)
printf("hes_to_bind(%s, %s) expands to\n", name, type);
bindname = hesiod_to_bind(context, name, type);
if (!bindname) {
if (lflag)
printf("nothing\n");
if (errno == ENOENT)
warnx("hesiod_to_bind: Unknown rhs-extension.");
else
warn("hesiod_to_bind");
exit(1);
}
printf("%s\n", bindname);
free(bindname);
if (lflag)
printf("which ");
}
if (lflag)
printf("resolves to\n");
/* Do the hesiod resolve and check for errors. */
list = hesiod_resolve(context, name, type);
if (!list) {
if (lflag)
printf("nothing\n");
if (errno == ENOENT)
warnx("hesiod_resolve: Hesiod name not found.");
else
warn("hesiod_resolve");
exit(1);
}
/* Display the results. */
for (p = list; *p; p++)
printf("%s\n", *p);
hesiod_free_list(context, list);
hesiod_end(context);
exit(0);
}
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