/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* passwd.c: this file is part of users-admin, a ximian-setup-tool frontend 
 * for user administration.
 * 
 * Copyright (C) 2001 Ximian, Inc.
 *
 * 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 02111-1307, USA.
 *
 * Authors: Tambet Ingo <tambet@ximian.com> and Arturo Espinosa <arturo@ximian.com>.
 */

#include "passwd.h"
#include "config.h"
#include "gst.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#include <glib/gi18n.h>


#include "table.h"

#define RANDOM_PASSWD_SIZE 8

/* str must be a string of len + 1 allocated gchars */
static gchar *
rand_str (gchar *str, gint len)
{
 	gchar alphanum[] = "0ab1cd2ef3gh4ij5kl6mn7op8qr9st0uvwxyz0AB1CD2EF3GH4IJ5KL6MN7OP8QR9ST0UVWXYZ";
	gint i, alnum_len;
	
	alnum_len = strlen (alphanum);
	str[len] = 0;
	
	for (i = 0; i < len; i++) 
		str[i] = alphanum [(gint) ((((float) alnum_len) * rand () / (RAND_MAX + 1.0)))];
	
	return str;
}

gchar *
passwd_get_random (void)
{
	gchar *random_passwd;

	random_passwd = g_new0 (gchar, RANDOM_PASSWD_SIZE + 1);
	rand_str (random_passwd, RANDOM_PASSWD_SIZE);

	return random_passwd;
}