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/*-
* Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/jail.h>
#include <sys/sysctl.h>
#include <arpa/inet.h>
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
int
main(void)
{
struct xprison *sxp, *xp;
struct in_addr in;
size_t i, len;
if (sysctlbyname("security.jail.list", NULL, &len, NULL, 0) == -1)
err(1, "sysctlbyname(): security.jail.list");
for (i = 0; i < 4; i++) {
if (len <= 0)
exit(0);
sxp = xp = malloc(len);
if (sxp == NULL)
err(1, "malloc()");
if (sysctlbyname("security.jail.list", xp, &len, NULL, 0) == -1) {
if (errno == ENOMEM) {
free(sxp);
sxp = NULL;
continue;
}
err(1, "sysctlbyname(): security.jail.list");
}
break;
}
if (sxp == NULL)
err(1, "sysctlbyname(): security.jail.list");
if (len < sizeof(*xp) || len % sizeof(*xp) ||
xp->pr_version != XPRISON_VERSION)
errx(1, "Kernel and userland out of sync");
printf(" JID IP Address Hostname Path\n");
for (i = 0; i < len / sizeof(*xp); i++) {
in.s_addr = ntohl(xp->pr_ip);
printf("%6d %-15.15s %-29.29s %.74s\n",
xp->pr_id, inet_ntoa(in), xp->pr_host, xp->pr_path);
xp++;
}
free(sxp);
exit(0);
}
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