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78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/*-
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* Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/jail.h>
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#include <sys/sysctl.h>
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#include <arpa/inet.h>
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#include <err.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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int
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main(void)
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{
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struct xprison *sxp, *xp;
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struct in_addr in;
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size_t i, len;
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if (sysctlbyname("security.jail.list", NULL, &len, NULL, 0) == -1)
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err(1, "sysctlbyname(): security.jail.list");
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retry:
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if (len <= 0)
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exit(0);
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sxp = xp = calloc(len, 1);
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if (sxp == NULL)
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err(1, "malloc()");
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if (sysctlbyname("security.jail.list", xp, &len, NULL, 0) == -1) {
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if (errno == ENOMEM) {
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free(sxp);
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goto retry;
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}
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err(1, "sysctlbyname(): security.jail.list");
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}
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if (len < sizeof(*xp) || len % sizeof(*xp) ||
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xp->pr_version != XPRISON_VERSION)
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errx(1, "Kernel and userland out of sync");
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printf(" JID IP Address Hostname Path\n");
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for (i = 0; i < len / sizeof(*xp); i++) {
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in.s_addr = ntohl(xp->pr_ip);
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printf("%6d %-15.15s %-29.29s %.74s\n",
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xp->pr_id, inet_ntoa(in), xp->pr_host, xp->pr_path);
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xp++;
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}
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free(sxp);
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exit(0);
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}
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