strace/tests/utimensat.c
Dmitry V. Levin 8b86137d56 tests: check decoding of invalid tv_sec and tv_nsec values
* tests/aio.c (main): Check decoding of invalid tv_sec and tv_nsec
values.
* tests/clock_nanosleep.c (main): Likewise.
* tests/clock_xettime.c (main): Likewise.
* tests/futex.c (main): Likewise.
* tests/nanosleep.c (main): Likewise.
* tests/ppoll.c (main): Likewise.
* tests/pselect6.c (main): Likewise.
* tests/recvmmsg-timeout.c (main): Likewise.
* tests/rt_sigtimedwait.c (main): Likewise.
* tests/semop.c (main): Likewise.
* tests/timer_xettime.c (main): Likewise.
* tests/timerfd_xettime.c (main): Likewise.
* tests/utimensat.c (main): Likewise.
2017-04-24 23:14:57 +00:00

208 lines
6.6 KiB
C

/*
* Check decoding of utimensat syscall.
*
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
* 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 <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
#include <asm/unistd.h>
#if defined __NR_utimensat && defined UTIME_NOW && defined UTIME_OMIT
static void
print_ts(const struct timespec *ts)
{
printf("{tv_sec=%lld, tv_nsec=%llu}", (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec));
print_time_t_nsec(ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), 1);
}
static const char *errstr;
static long
k_utimensat(const kernel_ulong_t dirfd,
const kernel_ulong_t pathname,
const kernel_ulong_t times,
const kernel_ulong_t flags)
{
long rc = syscall(__NR_utimensat, dirfd, pathname, times, flags);
errstr = sprintrc(rc);
return rc;
}
int
main(void)
{
static const kernel_ulong_t bogus_fd =
(kernel_ulong_t) 0xbadc0deddeadbeef;
static const kernel_ulong_t kfdcwd =
(kernel_ulong_t) 0xdefaced00000000 | -100U;
static const char proto_fname[] = "utimensat\nfilename";
static const char qname[] = "\"utimensat\\nfilename\"";
char *const fname = tail_memdup(proto_fname, sizeof(proto_fname));
const kernel_ulong_t kfname = (uintptr_t) fname;
struct timespec *const ts = tail_alloc(sizeof(*ts) * 2);
(void) close(0);
/* dirfd */
k_utimensat(0, kfname, 0, 0);
printf("utimensat(0, %s, NULL, 0) = %s\n", qname, errstr);
k_utimensat(bogus_fd, kfname, 0, 0);
printf("utimensat(%d, %s, NULL, 0) = %s\n",
(int) bogus_fd, qname, errstr);
k_utimensat(-100U, kfname, 0, 0);
printf("utimensat(AT_FDCWD, %s, NULL, 0) = %s\n", qname, errstr);
k_utimensat(kfdcwd, kfname, 0, 0);
printf("utimensat(AT_FDCWD, %s, NULL, 0) = %s\n", qname, errstr);
/* pathname */
k_utimensat(kfdcwd, 0, 0, 0);
printf("utimensat(AT_FDCWD, NULL, NULL, 0) = %s\n", errstr);
k_utimensat(kfdcwd, kfname + sizeof(proto_fname) - 1, 0, 0);
printf("utimensat(AT_FDCWD, \"\", NULL, 0) = %s\n", errstr);
fname[sizeof(proto_fname) - 1] = '+';
k_utimensat(kfdcwd, kfname, 0, 0);
fname[sizeof(proto_fname) - 1] = '\0';
printf("utimensat(AT_FDCWD, %p, NULL, 0) = %s\n", fname, errstr);
if (F8ILL_KULONG_SUPPORTED) {
k_utimensat(kfdcwd, f8ill_ptr_to_kulong(fname), 0, 0);
printf("utimensat(AT_FDCWD, %#jx, NULL, 0) = %s\n",
(uintmax_t) f8ill_ptr_to_kulong(fname), errstr);
}
/* times */
k_utimensat(kfdcwd, kfname, (uintptr_t) (ts + 1), 0);
printf("utimensat(AT_FDCWD, %s, %p, 0) = %s\n",
qname, ts + 1, errstr);
k_utimensat(kfdcwd, kfname, (uintptr_t) (ts + 2), 0);
printf("utimensat(AT_FDCWD, %s, %p, 0)"
" = %s\n", qname, ts + 2, errstr);
ts[0].tv_sec = 1492358706;
ts[0].tv_nsec = 123456789;
ts[1].tv_sec = 1492357068;
ts[1].tv_nsec = 234567890;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(AT_FDCWD, %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], AT_SYMLINK_NOFOLLOW) = %s\n", errstr);
ts[0].tv_sec = -1;
ts[0].tv_nsec = 2000000000;
ts[1].tv_sec = (time_t) -0x100000001LL;
ts[1].tv_nsec = 2345678900U;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(AT_FDCWD, %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], AT_SYMLINK_NOFOLLOW) = %s\n", errstr);
ts[0].tv_sec = 0;
ts[0].tv_nsec = 0;
ts[1].tv_sec = (time_t) 0xcafef00ddeadbeefLL;
ts[1].tv_nsec = 0;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(AT_FDCWD, %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], AT_SYMLINK_NOFOLLOW) = %s\n", errstr);
ts[0].tv_sec = 0xdeadbeefU;
ts[0].tv_nsec = 0xfacefeedU;
ts[1].tv_sec = (time_t) 0xcafef00ddeadbeefLL;
ts[1].tv_nsec = (long) 0xbadc0dedfacefeedLL;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(AT_FDCWD, %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], AT_SYMLINK_NOFOLLOW) = %s\n", errstr);
ts[0].tv_nsec = UTIME_NOW;
ts[1].tv_nsec = UTIME_OMIT;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(AT_FDCWD, %s, [UTIME_NOW, UTIME_OMIT]"
", AT_SYMLINK_NOFOLLOW) = %s\n", qname, errstr);
if (F8ILL_KULONG_SUPPORTED) {
k_utimensat(kfdcwd, kfname, f8ill_ptr_to_kulong(ts), 0);
printf("utimensat(AT_FDCWD, %s, %#jx, 0) = %s\n",
qname, (uintmax_t) f8ill_ptr_to_kulong(ts), errstr);
}
/* flags */
k_utimensat(kfdcwd, kfname, (uintptr_t) ts,
(kernel_ulong_t) 0xdefaced00000200);
printf("utimensat(AT_FDCWD, %s, [UTIME_NOW, UTIME_OMIT]"
", AT_REMOVEDIR) = %s\n",
qname, errstr);
k_utimensat(kfdcwd, kfname, (uintptr_t) ts,
(kernel_ulong_t) 0xdefaced00000600);
printf("utimensat(AT_FDCWD, %s, [UTIME_NOW, UTIME_OMIT]"
", AT_REMOVEDIR|AT_SYMLINK_FOLLOW) = %s\n",
qname, errstr);
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, (kernel_ulong_t) -1ULL);
printf("utimensat(AT_FDCWD, %s, [UTIME_NOW, UTIME_OMIT]"
", AT_SYMLINK_NOFOLLOW|AT_REMOVEDIR|AT_SYMLINK_FOLLOW"
"|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|0xffffe0ff) = %s\n",
qname, errstr);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_utimensat && UTIME_NOW && UTIME_OMIT")
#endif