/*

   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;

}