You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.7 KiB
81 lines
2.7 KiB
/*
|
|
* Check decoding of umode_t type syscall arguments.
|
|
*
|
|
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
|
|
* 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 <stdio.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
|
|
#ifndef TEST_SYSCALL_PREFIX_ARGS
|
|
# define TEST_SYSCALL_PREFIX_ARGS
|
|
#endif
|
|
#ifndef TEST_SYSCALL_PREFIX_STR
|
|
# define TEST_SYSCALL_PREFIX_STR ""
|
|
#endif
|
|
|
|
static const char *sample;
|
|
|
|
static void
|
|
test_syscall(unsigned short mode)
|
|
{
|
|
unsigned long lmode = (unsigned long) 0xffffffffffff0000ULL | mode;
|
|
long rc = syscall(TEST_SYSCALL_NR, TEST_SYSCALL_PREFIX_ARGS
|
|
sample, lmode);
|
|
|
|
if (mode <= 07)
|
|
printf("%s(%s\"%s\", 00%d) = %ld %s (%m)\n",
|
|
TEST_SYSCALL_STR, TEST_SYSCALL_PREFIX_STR,
|
|
sample, (int) mode, rc, errno2name());
|
|
else
|
|
printf("%s(%s\"%s\", %#03ho) = %ld %s (%m)\n",
|
|
TEST_SYSCALL_STR, TEST_SYSCALL_PREFIX_STR,
|
|
sample, mode, rc, errno2name());
|
|
}
|
|
|
|
int
|
|
main(int ac, char **av)
|
|
{
|
|
sample = av[0];
|
|
test_syscall(0);
|
|
test_syscall(0xffff);
|
|
test_syscall(06);
|
|
test_syscall(060);
|
|
test_syscall(0600);
|
|
test_syscall(024);
|
|
test_syscall(S_IFREG);
|
|
test_syscall(S_IFDIR | 06);
|
|
test_syscall(S_IFLNK | 060);
|
|
test_syscall(S_IFIFO | 0600);
|
|
test_syscall(S_IFCHR | 024);
|
|
test_syscall((0xffff & ~S_IFMT) | S_IFBLK);
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|