Dmitry V. Levin
eb5c233d99
* net.c (print_icmp_filter): Print icmp_filter for any positive length. * tests/net-icmp_filter.c: New file. * tests/net-icmp_filter.test: New test. * tests/.gitignore: Add net-icmp_filter. * tests/Makefile.am (check_PROGRAMS): Likewise. (DECODER_TESTS): Add net-icmp_filter.test.
86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
/*
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* Check decoding of ICMP_FILTER.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <stdio.h>
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#include <sys/socket.h>
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#include <linux/icmp.h>
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int
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main(void)
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{
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getsockopt(-1, SOL_RAW, ICMP_FILTER, 0, 0);
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printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, 0, 0) = -1 %s (%m)\n",
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errno2name());
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setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0);
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printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0) = -1 %s (%m)\n",
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errno2name());
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(void) tail_alloc(1);
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socklen_t *const plen = tail_alloc(sizeof(*plen));
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void *const efault = plen + 1;
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struct icmp_filter *const f = tail_alloc(sizeof(*f));
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getsockopt(-1, SOL_RAW, ICMP_FILTER, f, plen);
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printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, %p, %p) = -1 %s (%m)\n",
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f, plen, errno2name());
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setsockopt(-1, SOL_RAW, ICMP_FILTER, efault, sizeof(*f));
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printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, %u) = -1 %s (%m)\n",
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efault, (unsigned) sizeof(*f), errno2name());
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f->data = ~(
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1<<ICMP_ECHOREPLY |
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1<<ICMP_DEST_UNREACH |
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1<<ICMP_SOURCE_QUENCH |
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1<<ICMP_REDIRECT |
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1<<ICMP_TIME_EXCEEDED |
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1<<ICMP_PARAMETERPROB);
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setsockopt(-1, SOL_RAW, ICMP_FILTER, f, -2);
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printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, -2) = -1 %s (%m)\n",
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f, errno2name());
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setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f));
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printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = -1 %s (%m)\n",
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"~(1<<ICMP_ECHOREPLY|1<<ICMP_DEST_UNREACH|1<<ICMP_SOURCE_QUENCH"
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"|1<<ICMP_REDIRECT|1<<ICMP_TIME_EXCEEDED|1<<ICMP_PARAMETERPROB)",
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(unsigned) sizeof(*f), errno2name());
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setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f) * 2);
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printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = -1 %s (%m)\n",
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"~(1<<ICMP_ECHOREPLY|1<<ICMP_DEST_UNREACH|1<<ICMP_SOURCE_QUENCH"
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"|1<<ICMP_REDIRECT|1<<ICMP_TIME_EXCEEDED|1<<ICMP_PARAMETERPROB)",
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(unsigned) sizeof(*f) * 2, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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