2 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/param.h>
31 #include <sys/sysctl.h>
33 #include <arpa/inet.h>
44 struct xprison *sxp, *xp;
48 if (sysctlbyname("security.jail.list", NULL, &len, NULL, 0) == -1)
49 err(1, "sysctlbyname(): security.jail.list");
51 for (i = 0; i < 4; i++) {
54 sxp = xp = malloc(len);
58 if (sysctlbyname("security.jail.list", xp, &len, NULL, 0) == -1) {
59 if (errno == ENOMEM) {
64 err(1, "sysctlbyname(): security.jail.list");
69 err(1, "sysctlbyname(): security.jail.list");
70 if (len < sizeof(*xp) || len % sizeof(*xp) ||
71 xp->pr_version != XPRISON_VERSION)
72 errx(1, "Kernel and userland out of sync");
74 printf(" JID IP Address Hostname Path\n");
75 for (i = 0; i < len / sizeof(*xp); i++) {
76 in.s_addr = ntohl(xp->pr_ip);
77 printf("%6d %-15.15s %-29.29s %.74s\n",
78 xp->pr_id, inet_ntoa(in), xp->pr_host, xp->pr_path);