/* Copyright (C) 1997-2004 Luke Howard.
   This file is part of the nss_ldap library.
   Contributed by Luke Howard, <lukeh@padl.com>, 1997.

   The nss_ldap library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The nss_ldap 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the nss_ldap library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_IRS_H

#include <errno.h>
#include "irs-nss.h"

/* $Id: irs-grp.c,v 2.25 2004/09/24 11:18:07 lukeh Exp $ */

#ifdef HAVE_USERSEC_H
void *gr_pvtinit (void);
#endif
IRS_EXPORT void gr_close (struct irs_gr *);
IRS_EXPORT struct group *gr_next (struct irs_gr *);
IRS_EXPORT struct group *gr_byname (struct irs_gr *, const char *);
IRS_EXPORT struct group *gr_bygid (struct irs_gr *, gid_t);
IRS_EXPORT void gr_rewind (struct irs_gr *);
IRS_EXPORT void gr_minimize (struct irs_gr *);

struct pvt
{
  struct group result;
  char buffer[NSS_BUFLEN_GROUP];
  ent_context_t *state;
};

IRS_EXPORT struct group *
gr_byname (struct irs_gr *this, const char *name)
{
  LOOKUP_NAME (name, this, _nss_ldap_filt_getgrnam, LM_GROUP,
	       _nss_ldap_parse_gr, NSS_BUFLEN_GROUP);
}

IRS_EXPORT struct group *
gr_bygid (struct irs_gr *this, gid_t gid)
{
  LOOKUP_NUMBER (gid, this, _nss_ldap_filt_getgrgid, LM_GROUP,
		 _nss_ldap_parse_gr, NSS_BUFLEN_GROUP);
}

IRS_EXPORT void
gr_close (struct irs_gr *this)
{
  LOOKUP_ENDENT (this);
#ifdef HAVE_USERSEC_H
  free (this->private);
  free (this);
#endif
}

IRS_EXPORT struct group *
gr_next (struct irs_gr *this)
{
  LOOKUP_GETENT (this, _nss_ldap_filt_getgrent, LM_GROUP, _nss_ldap_parse_gr,
		 NSS_BUFLEN_GROUP);
}

IRS_EXPORT void
gr_rewind (struct irs_gr *this)
{
  LOOKUP_SETENT (this);
}

IRS_EXPORT void
gr_minimize (struct irs_gr *this)
{
}

#ifdef HAVE_USERSEC_H
void *
gr_pvtinit (void)
#else
struct irs_gr *
irs_ldap_gr (struct irs_acc *this)
#endif
{
  struct irs_gr *gr;
  struct pvt *pvt;

  gr = calloc (1, sizeof (*gr));
  if (gr == NULL)
    return NULL;

  pvt = calloc (1, sizeof (*pvt));
  if (pvt == NULL)
    {
      free (gr);
      return NULL;
    }

  pvt->state = NULL;
  gr->private = pvt;
  gr->close = gr_close;
  gr->next = gr_next;
  gr->byname = gr_byname;
  gr->bygid = gr_bygid;
#ifndef HAVE_USERSEC_H
  gr->list = make_group_list;
#else
  gr->list = NULL;
#endif
  gr->rewind = gr_rewind;
  gr->minimize = gr_minimize;
  return gr;
}

#endif /* HAVE_IRS_H */
