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/*
 * Copyright (c) 2004, Stefan Walter
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions of source code must retain the above
 *       copyright notice, this list of conditions and the
 *       following disclaimer.
 *     * Redistributions in binary form must reproduce the
 *       above copyright notice, this list of conditions and
 *       the following disclaimer in the documentation and/or
 *       other materials provided with the distribution.
 *     * The names of contributors to this software may not be
 *       used to endorse or promote products derived from this
 *       software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 *
 * CONTRIBUTORS
 *  Stef Walter <stef@memberwebs.com>
 *
 */

#include <sys/types.h>
#include <sys/param.h>
#include <sys/jail.h>
#include <sys/sysctl.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <kvm.h>
#include <paths.h>
#include <errno.h>
#include <err.h>

#include "util.h"

#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif

static void usage();
static void list_jails();

int main(int argc, char* argv[])
{
	if(argc > 1)
		usage();

	if(running_in_jail() != 0)
		errx(1, "can't run from inside jail");

	list_jails();
	return 0;
}

static void usage()
{
	fprintf(stderr, "usage: jails \n");
	exit(2);
}

static void list_jails()
{
	struct xprison* xp;
	size_t len, i;
	jails jls;

	/* ... otherwise it's a name */
	jails_load(&jls);

	while((xp = jails_next(&jls)) != NULL)
		printf("%s\n", xp->pr_host);

	jails_done(&jls);
}