strace/tests/net-icmp_filter.c

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/*
* Check decoding of ICMP_FILTER.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include "tests.h"
#include <stdio.h>
#include <sys/socket.h>
#include <linux/icmp.h>
int
main(void)
{
getsockopt(-1, SOL_RAW, ICMP_FILTER, 0, 0);
printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, 0, 0) = -1 %s (%m)\n",
errno2name());
setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0);
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0) = -1 %s (%m)\n",
errno2name());
(void) tail_alloc(1);
socklen_t *const plen = tail_alloc(sizeof(*plen));
void *const efault = plen + 1;
struct icmp_filter *const f = tail_alloc(sizeof(*f));
getsockopt(-1, SOL_RAW, ICMP_FILTER, f, plen);
printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, %p, %p) = -1 %s (%m)\n",
f, plen, errno2name());
setsockopt(-1, SOL_RAW, ICMP_FILTER, efault, sizeof(*f));
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, %u) = -1 %s (%m)\n",
efault, (unsigned) sizeof(*f), errno2name());
f->data = ~(
1<<ICMP_ECHOREPLY |
1<<ICMP_DEST_UNREACH |
1<<ICMP_SOURCE_QUENCH |
1<<ICMP_REDIRECT |
1<<ICMP_TIME_EXCEEDED |
1<<ICMP_PARAMETERPROB);
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, -2);
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, -2) = -1 %s (%m)\n",
f, errno2name());
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f));
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = -1 %s (%m)\n",
"~(1<<ICMP_ECHOREPLY|1<<ICMP_DEST_UNREACH|1<<ICMP_SOURCE_QUENCH"
"|1<<ICMP_REDIRECT|1<<ICMP_TIME_EXCEEDED|1<<ICMP_PARAMETERPROB)",
(unsigned) sizeof(*f), errno2name());
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f) * 2);
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = -1 %s (%m)\n",
"~(1<<ICMP_ECHOREPLY|1<<ICMP_DEST_UNREACH|1<<ICMP_SOURCE_QUENCH"
"|1<<ICMP_REDIRECT|1<<ICMP_TIME_EXCEEDED|1<<ICMP_PARAMETERPROB)",
(unsigned) sizeof(*f) * 2, errno2name());
puts("+++ exited with 0 +++");
return 0;
}