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/*
* Check decoding of utimensat syscall.
*
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2015-2024 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
#include "scno.h"
#if defined __NR_utimensat && defined UTIME_NOW && defined UTIME_OMIT
# if SIZEOF_KERNEL_LONG_T == 4
# define big_tv_sec "-559038737"
# define huge_tv_sec "-559038737"
# else
# define big_tv_sec "3735928559"
# define huge_tv_sec "-3819351491602432273"
# endif
# if XLAT_RAW
# define str_at_fdcwd "-100"
# define str_at_symlink_nofollow "0x100"
# define str_at_removedir "0x200"
# define str_flags1 "0x600"
# define str_flags2 "0xffffffff"
# define str_utime_now_omit \
"[{tv_sec=" big_tv_sec ", tv_nsec=1073741823}, " \
"{tv_sec=" huge_tv_sec ", tv_nsec=1073741822}]"
# elif XLAT_VERBOSE
# define str_at_fdcwd "-100 /* AT_FDCWD */"
# define str_at_symlink_nofollow "0x100 /* AT_SYMLINK_NOFOLLOW */"
# define str_at_removedir "0x200 /* AT_REMOVEDIR */"
# define str_flags1 \
"0x600 /* AT_REMOVEDIR|AT_SYMLINK_FOLLOW */"
# define str_flags2 \
"0xffffffff /* AT_SYMLINK_NOFOLLOW|AT_REMOVEDIR|AT_SYMLINK_FOLLOW" \
"|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|AT_RECURSIVE|0xffff60ff */"
# define str_utime_now_omit \
"[{tv_sec=" big_tv_sec ", tv_nsec=1073741823} /* UTIME_NOW */, " \
"{tv_sec=" huge_tv_sec ", tv_nsec=1073741822} /* UTIME_OMIT */]"
# else
# define str_at_fdcwd "AT_FDCWD"
# define str_at_symlink_nofollow "AT_SYMLINK_NOFOLLOW"
# define str_at_removedir "AT_REMOVEDIR"
# define str_flags1 "AT_REMOVEDIR|AT_SYMLINK_FOLLOW"
# define str_flags2 \
"AT_SYMLINK_NOFOLLOW|AT_REMOVEDIR|AT_SYMLINK_FOLLOW" \
"|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|AT_RECURSIVE|0xffff60ff"
# define str_utime_now_omit "[UTIME_NOW, UTIME_OMIT]"
# endif
static void
print_ts(const kernel_old_timespec_t *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;
TAIL_ALLOC_OBJECT_CONST_ARR(kernel_old_timespec_t, 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(" str_at_fdcwd ", %s, NULL, 0) = %s\n", qname, errstr);
k_utimensat(kfdcwd, kfname, 0, 0);
printf("utimensat(" str_at_fdcwd ", %s, NULL, 0) = %s\n", qname, errstr);
/* pathname */
k_utimensat(kfdcwd, 0, 0, 0);
printf("utimensat(" str_at_fdcwd ", NULL, NULL, 0) = %s\n", errstr);
k_utimensat(kfdcwd, kfname + sizeof(proto_fname) - 1, 0, 0);
printf("utimensat(" str_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(" str_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(" str_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(" str_at_fdcwd ", %s, %p, 0) = %s\n",
qname, ts + 1, errstr);
k_utimensat(kfdcwd, kfname, (uintptr_t) (ts + 2), 0);
printf("utimensat(" str_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(" str_at_fdcwd ", %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], " str_at_symlink_nofollow ") = %s\n", errstr);
ts[0].tv_sec = -1;
ts[0].tv_nsec = 2000000000;
ts[1].tv_sec = (typeof(ts[1].tv_sec)) -0x100000001LL;
ts[1].tv_nsec = 2345678900U;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(" str_at_fdcwd ", %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], " str_at_symlink_nofollow ") = %s\n", errstr);
ts[0].tv_sec = 0;
ts[0].tv_nsec = 0;
ts[1].tv_sec = (typeof(ts[1].tv_sec)) 0xcafef00ddeadbeefLL;
ts[1].tv_nsec = 0;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(" str_at_fdcwd ", %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], " str_at_symlink_nofollow ") = %s\n", errstr);
ts[0].tv_sec = 0xdeadbeefU;
ts[0].tv_nsec = 0xfacefeedU;
ts[1].tv_sec = (typeof(ts[1].tv_sec)) 0xcafef00ddeadbeefLL;
ts[1].tv_nsec = (long) 0xbadc0dedfacefeedLL;
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, 0x100);
printf("utimensat(" str_at_fdcwd ", %s, [", qname);
print_ts(&ts[0]);
printf(", ");
print_ts(&ts[1]);
printf("], " str_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(" str_at_fdcwd ", %s, " str_utime_now_omit
", " str_at_symlink_nofollow ") = %s\n", qname, errstr);
if (F8ILL_KULONG_SUPPORTED) {
k_utimensat(kfdcwd, kfname, f8ill_ptr_to_kulong(ts), 0);
printf("utimensat(" str_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(" str_at_fdcwd ", %s, " str_utime_now_omit
", " str_at_removedir ") = %s\n",
qname, errstr);
k_utimensat(kfdcwd, kfname, (uintptr_t) ts,
(kernel_ulong_t) 0xdefaced00000600);
printf("utimensat(" str_at_fdcwd ", %s, " str_utime_now_omit
", " str_flags1 ") = %s\n",
qname, errstr);
k_utimensat(kfdcwd, kfname, (uintptr_t) ts, (kernel_ulong_t) -1ULL);
printf("utimensat(" str_at_fdcwd ", %s, " str_utime_now_omit
", " str_flags2 ") = %s\n",
qname, errstr);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_utimensat && UTIME_NOW && UTIME_OMIT")
#endif
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