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
26 * $FreeBSD: src/usr.sbin/jls/jls.c,v 1.3 2003/04/22 13:24:56 mike Exp $
27 * $DragonFly: src/usr.sbin/jls/jls.c,v 1.1 2005/01/31 22:29:59 joerg Exp $
30 #include <sys/param.h>
31 #include <sys/kinfo.h>
32 #include <sys/sysctl.h>
40 #include <netinet/in.h>
41 #include <arpa/inet.h>
46 struct kinfo_prison
*sxp
, *xp
;
50 if (sysctlbyname("jail.list", NULL
, &len
, NULL
, 0) == -1)
51 err(1, "sysctlbyname(): jail.list");
56 sxp
= xp
= malloc(len
);
58 err(1, "malloc failed");
60 if (sysctlbyname("jail.list", xp
, &len
, NULL
, 0) == -1) {
61 if (errno
== ENOMEM
) {
65 err(1, "sysctlbyname(): jail.list");
67 if (len
< sizeof(*xp
) || len
% sizeof(*xp
) ||
68 xp
->pr_version
!= KINFO_PRISON_VERSION
)
69 errx(1, "Kernel and userland out of sync");
72 printf(" JID IP Address Hostname Path\n");
73 for (i
= 0; i
< len
; i
++) {
74 in
.s_addr
= ntohl(xp
->pr_ip
);
75 printf("%6d %-15.15s %-29.29s %.74s\n",
76 xp
->pr_id
, inet_ntoa(in
), xp
->pr_host
, xp
->pr_path
);