diff options
author | mike <mike@FreeBSD.org> | 2003-04-09 03:04:12 +0000 |
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committer | mike <mike@FreeBSD.org> | 2003-04-09 03:04:12 +0000 |
commit | 6067525913c2a13f7785f6d88dc81df85cde5812 (patch) | |
tree | 058bbdc564bcc891a28e1adb5f67a45e806274e2 /usr.sbin/jls/jls.c | |
parent | 79d60009e2bdcbd2cc1dacebff7139856d04ee1a (diff) | |
download | FreeBSD-src-6067525913c2a13f7785f6d88dc81df85cde5812.zip FreeBSD-src-6067525913c2a13f7785f6d88dc81df85cde5812.tar.gz |
o Add jls(8) for listing active jails.
o Add jexec(8) to execute a command in an existing jail.
o Add -j option for killall(1) to kill all processes in a specified
jail.
o Add -i option to jail(8) to output jail ID of newly created jail.
Diffstat (limited to 'usr.sbin/jls/jls.c')
-rw-r--r-- | usr.sbin/jls/jls.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/usr.sbin/jls/jls.c b/usr.sbin/jls/jls.c new file mode 100644 index 0000000..2a34adc --- /dev/null +++ b/usr.sbin/jls/jls.c @@ -0,0 +1,77 @@ +/*- + * 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"); +retry: + if (len <= 0) + exit(0); + sxp = xp = calloc(len, 1); + if (sxp == NULL) + err(1, "malloc()"); + + if (sysctlbyname("security.jail.list", xp, &len, NULL, 0) == -1) { + if (errno == ENOMEM) { + free(sxp); + goto retry; + } + err(1, "sysctlbyname(): security.jail.list", NULL); + } + 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 %-12.12s %-29.29s %.77s\n", + xp->pr_id, inet_ntoa(in), xp->pr_host, xp->pr_path); + xp++; + } + free(sxp); + exit(0); +} |