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/*
* Check decoding of fanotify_init syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016-2017 The strace developers.
* 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 <asm/unistd.h>
#if defined __NR_fanotify_init
# include <limits.h>
# include <stdio.h>
# include <unistd.h>
/* Performs fanotify_init call via the syscall interface. */
static void
do_call(kernel_ulong_t flags, const char *flags_str,
kernel_ulong_t event_f_flags, const char *event_f_flags_str)
{
long rc;
rc = syscall(__NR_fanotify_init, flags, event_f_flags);
printf("fanotify_init(%s, %s) = %s\n",
flags_str, event_f_flags_str, sprintrc(rc));
}
struct strval {
kernel_ulong_t val;
const char *str;
};
int
main(void)
{
static const struct strval flags[] = {
{ F8ILL_KULONG_MASK, "FAN_CLASS_NOTIF" },
{ (kernel_ulong_t) 0xffffffff0000000cULL,
"0xc /* FAN_CLASS_??? */" },
{ (kernel_ulong_t) 0xdec0deddefaced04ULL,
"FAN_CLASS_CONTENT|0xefaced00 /* FAN_??? */" },
{ (kernel_ulong_t) 0xffffffffffffffffULL,
"0xc /* FAN_CLASS_??? */|FAN_CLOEXEC|FAN_NONBLOCK|"
"FAN_UNLIMITED_QUEUE|FAN_UNLIMITED_MARKS|0xffffffc0" },
};
static const struct strval event_f_flags[] = {
{ F8ILL_KULONG_MASK, "O_RDONLY" },
{ (kernel_ulong_t) 0xdeadbeef80000001ULL,
"O_WRONLY|0x80000000" }
};
unsigned int i;
unsigned int j;
for (i = 0; i < ARRAY_SIZE(flags); i++)
for (j = 0; j < ARRAY_SIZE(event_f_flags); j++)
do_call(flags[i].val, flags[i].str,
event_f_flags[j].val, event_f_flags[j].str);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_fanotify_init")
#endif