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/*
* Check decoding of fanotify_init syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016-2024 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#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) 0xdec0deddefacc004ULL,
"FAN_CLASS_CONTENT|0xefacc000 /* FAN_??? */" },
{ (kernel_ulong_t) 0xffffffffffffffffULL,
"0xc /* FAN_CLASS_??? */|FAN_CLOEXEC|FAN_NONBLOCK|"
"FAN_UNLIMITED_QUEUE|FAN_UNLIMITED_MARKS|"
"FAN_ENABLE_AUDIT|FAN_REPORT_PIDFD|FAN_REPORT_TID|"
"FAN_REPORT_FID|FAN_REPORT_DIR_FID|FAN_REPORT_NAME|"
"FAN_REPORT_TARGET_FID|FAN_REPORT_FD_ERROR|"
"0xffffc000" },
};
static const struct strval event_f_flags[] = {
{ F8ILL_KULONG_MASK, "O_RDONLY" },
{ (kernel_ulong_t) 0xdeadbeef80000001ULL,
"O_WRONLY|0x80000000" }
};
for (unsigned int i = 0; i < ARRAY_SIZE(flags); ++i)
for (unsigned int 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;
}
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