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/*
lookup_netgroup.c - simple lookup code for netgroups
Copyright (C) 2012, 2013 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <netdb.h>
#include <stdlib.h>
/* the main program... */
int main(int argc,char *argv[])
{
char *host, *user, *domain;
/* check arguments */
if (argc != 2)
{
fprintf(stderr, "Usage: %s NETGROUP\n", argv[0]);
exit(EXIT_FAILURE);
}
/* start lookup */
#ifdef SETNETGRENT_RETURNS_VOID
setnetgrent(argv[1]);
#else /* not SETNETGRENT_RETURNS_VOID */
if (setnetgrent(argv[1]) != 0)
{
/* output nothing */
exit(EXIT_FAILURE);
}
#endif /* not SETNETGRENT_RETURNS_VOID */
fprintf(stdout, "%-20s", argv[1]);
while (getnetgrent(&host, &user, &domain) != 0)
{
fprintf(stdout, " (%s, %s, %s)", host, user, domain);
}
fprintf(stdout, "\n");
endnetgrent();
return 0;
}
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