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