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/*
* Check decoding of ICMP_FILTER.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2022 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#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, NULL, NULL) = %s\n",
sprintrc(-1));
setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0);
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, NULL, 0) = %s\n",
sprintrc(-1));
TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, plen);
void *const efault = plen + 1;
TAIL_ALLOC_OBJECT_CONST_PTR(struct icmp_filter, f);
getsockopt(-1, SOL_RAW, ICMP_FILTER, f, plen);
printf("getsockopt(-1, SOL_RAW, ICMP_FILTER, %p, [%d]) = %s\n",
f, *plen, sprintrc(-1));
setsockopt(-1, SOL_RAW, ICMP_FILTER, efault, sizeof(*f));
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, %u) = %s\n",
efault, (unsigned) sizeof(*f), sprintrc(-1));
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, -2);
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %p, -2) = %s\n",
f, sprintrc(-1));
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f));
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, ~[], %u) = %s\n",
(unsigned) sizeof(*f), sprintrc(-1));
f->data = 0;
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f));
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, [], %u) = %s\n",
(unsigned) sizeof(*f), sprintrc(-1));
f->data = 1<<ICMP_ECHOREPLY |
1<<ICMP_DEST_UNREACH |
1<<ICMP_SOURCE_QUENCH |
1<<ICMP_REDIRECT |
1<<ICMP_TIME_EXCEEDED |
1<<ICMP_PARAMETERPROB;
static const char data_str[] =
"[ICMP_ECHOREPLY"
" ICMP_DEST_UNREACH"
" ICMP_SOURCE_QUENCH"
" ICMP_REDIRECT"
" ICMP_TIME_EXCEEDED"
" ICMP_PARAMETERPROB]";
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f));
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, %s, %u) = %s\n",
data_str, (unsigned) sizeof(*f), sprintrc(-1));
f->data = ~f->data;
setsockopt(-1, SOL_RAW, ICMP_FILTER, f, sizeof(*f) * 2);
printf("setsockopt(-1, SOL_RAW, ICMP_FILTER, ~%s, %u) = %s\n",
data_str, (unsigned) sizeof(*f) * 2, sprintrc(-1));
puts("+++ exited with 0 +++");
return 0;
}
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