Prep for 3.1.0.17

[thirdparty/squid.git] / helpers / external_acl / unix_group / check_group.c

/*
 * $Id$
 *
 * This is a helper for the external ACL interface for Squid Cache
 * Copyright (C) 2002 Rodrigo Albani de Campos (rodrigo@geekbunker.org)
 *
 * It reads STDIN looking for a username that matches a specified group
 * Returns `OK' if the user belongs to the group or `ERR' otherwise, as
 * described on http://devel.squid-cache.org/external_acl/config.html
 * To compile this program, use:
 *
 * gcc -o check_group check_group.c
 *
 * Author: Rodrigo Albani de Campos
 * E-Mail: rodrigo@geekbunker.org
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * Change Log:
 * Revision 1.7  2004/08/15 00:29:33  hno
 * helper protocol changed to URL-escaped strings in Squid-3.0
 *
 * Revision 1.6  2002/08/12 15:48:32  hno
 * imported strwordtok from Squid, added man page, some minor fixes
 *
 * Revision 1.5  2002/07/27 14:26:49  rcampos
 * allow groups to be sent on stdin
 *
 * Revision 1.4  2002/04/17 01:58:48  camposr
 * minor corrections in the getopt
 *
 * Revision 1.3  2002/04/17 01:43:17  camposr
 * ready for action
 *
 * Revision 1.2  2002/04/17 01:32:16  camposr
 * all main routines ready
 *
 * Revision 1.1  2002/04/16 05:02:32  camposr
 * Initial revision
 *
 */

#include "rfc1738.h"
#include "util.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <grp.h>
#include <unistd.h>
#include <pwd.h>
#include <ctype.h>

#define BUFSIZE 8192		/* the stdin buffer size */
#define MAX_GROUP 10		/* maximum number of groups specified 
* on the command line */

/*