/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2017 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.
*/
#if defined HAVE_FTRUNCATE && defined HAVE_FUTIMENS
# ifndef TEST_SYSCALL_STR
# error TEST_SYSCALL_STR must be defined
# endif
# ifndef TEST_SYSCALL_INVOKE
# error TEST_SYSCALL_INVOKE must be defined
# endif
# ifndef PRINT_SYSCALL_HEADER
# error PRINT_SYSCALL_HEADER must be defined
# endif
# ifndef PRINT_SYSCALL_FOOTER
# error PRINT_SYSCALL_FOOTER must be defined
# endif
# include <errno.h>
# include <stdio.h>
# include <stddef.h>
# include <time.h>
# include <unistd.h>
# include <sys/sysmacros.h>
# include "print_fields.h"
# include "statx.h"
# ifndef STRUCT_STAT
# define STRUCT_STAT struct stat
# define STRUCT_STAT_STR "struct stat"
# define STRUCT_STAT_IS_STAT64 0
# endif
# ifndef SAMPLE_SIZE
# define SAMPLE_SIZE ((libc_off_t) 43147718418ULL)
# endif
typedef off_t libc_off_t;
# define stat libc_stat
# define stat64 libc_stat64
# include <fcntl.h>
# include <sys/stat.h>
# undef stat
# undef stat64
# undef st_atime
# undef st_mtime
# undef st_ctime
# include "asm_stat.h"
# if STRUCT_STAT_IS_STAT64
# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
# if defined MPERS_IS_m32
# ifdef HAVE_M32_STRUCT_STAT64_ST_MTIME_NSEC
# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
# endif
# elif defined MPERS_IS_mx32
# ifdef HAVE_MX32_STRUCT_STAT64_ST_MTIME_NSEC
# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
# endif
# elif defined HAVE_STRUCT_STAT64_ST_MTIME_NSEC
# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
# endif /* MPERS_IS_m32 || MPERS_IS_mx32 || HAVE_STRUCT_STAT64_ST_MTIME_NSEC */
# else /* !STRUCT_STAT_IS_STAT64 */
# if defined MPERS_IS_m32
# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
# ifdef HAVE_M32_STRUCT_STAT_ST_MTIME_NSEC
# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
# endif
# elif defined MPERS_IS_mx32
# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
# ifdef HAVE_MX32_STRUCT_STAT_ST_MTIME_NSEC
# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
# endif
# endif /* MPERS_IS_m32 || MPERS_IS_mx32 */
# endif /* STRUCT_STAT_IS_STAT64 */
# ifndef TEST_BOGUS_STRUCT_STAT
# define TEST_BOGUS_STRUCT_STAT 1
# endif
# ifndef IS_FSTAT
# define IS_FSTAT 0
# endif
# ifndef OLD_STAT
# define OLD_STAT 0
# endif
# ifndef IS_STATX
# define IS_STATX 0
# endif
static void
print_ftype(const unsigned int mode)
{
if (S_ISREG(mode))
printf("S_IFREG");
else if (S_ISDIR(mode))
printf("S_IFDIR");
else if (S_ISCHR(mode))
printf("S_IFCHR");
else if (S_ISBLK(mode))
printf("S_IFBLK");
else
printf("%#o", mode & S_IFMT);
}
static void
print_perms(const unsigned int mode)
{
printf("%#o", mode & ~S_IFMT);
}
# if !IS_STATX
static void
print_stat(const STRUCT_STAT *st)
{
printf("{st_dev=makedev(%u, %u)",
(unsigned int) major(zero_extend_signed_to_ull(st->st_dev)),
(unsigned int) minor(zero_extend_signed_to_ull(st->st_dev)));
printf(", st_ino=%llu", zero_extend_signed_to_ull(st->st_ino));
printf(", st_mode=");
print_ftype(st->st_mode);
printf("|");
print_perms(st->st_mode);
printf(", st_nlink=%llu", zero_extend_signed_to_ull(st->st_nlink));
printf(", st_uid=%llu", zero_extend_signed_to_ull(st->st_uid));
printf(", st_gid=%llu", zero_extend_signed_to_ull(st->st_gid));
# if OLD_STAT
printf(", st_blksize=0, st_blocks=0");
# else /* !OLD_STAT */
printf(", st_blksize=%llu", zero_extend_signed_to_ull(st->st_blksize));
printf(", st_blocks=%llu", zero_extend_signed_to_ull(st->st_blocks));
# endif /* OLD_STAT */
switch (st->st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
printf(", st_rdev=makedev(%u, %u)",
(unsigned int) major(zero_extend_signed_to_ull(st->st_rdev)),
(unsigned int) minor(zero_extend_signed_to_ull(st->st_rdev)));
break;
default:
printf(", st_size=%llu", zero_extend_signed_to_ull(st->st_size));
}
# if defined(HAVE_STRUCT_STAT_ST_MTIME_NSEC) && !OLD_STAT
# define TIME_NSEC(val) zero_extend_signed_to_ull(val)
# define HAVE_NSEC 1
# else
# define TIME_NSEC(val) 0ULL
# define HAVE_NSEC 0
# endif
#define PRINT_ST_TIME(field) \
do { \
printf(", st_" #field "=%lld", \
sign_extend_unsigned_to_ll(st->st_ ## field)); \
print_time_t_nsec(sign_extend_unsigned_to_ll(st->st_ ## field), \
TIME_NSEC(st->st_ ## field ## _nsec), 1); \
if (HAVE_NSEC) \
printf(", st_" #field "_nsec=%llu", \
TIME_NSEC(st->st_ ## field ## _nsec)); \
} while (0)
PRINT_ST_TIME(atime);
PRINT_ST_TIME(mtime);
PRINT_ST_TIME(ctime);
printf("}");
}
# else /* !IS_STATX */
static void
print_stat(const STRUCT_STAT *st)
{
# define PRINT_FIELD_U32_UID(field) \
do { \
if (st->field == (uint32_t) -1) \
printf(", %s=-1", #field); \
else \
printf(", %s=%llu", #field, \
(unsigned long long) st->field); \
} while (0)
# define PRINT_FIELD_TIME(field) \
do { \
printf(", %s={tv_sec=%lld, tv_nsec=%u}", \
#field, (long long) st->field.tv_sec, \
(unsigned) st->field.tv_nsec); \
print_time_t_nsec(st->field.tv_sec, \
zero_extend_signed_to_ull(st->field.tv_nsec), \
1); \
} while (0)
printf("{stx_mask=");
printflags(statx_masks, st->stx_mask, "STATX_???");
PRINT_FIELD_U(", ", *st, stx_blksize);
printf(", stx_attributes=");
printflags(statx_attrs, st->stx_attributes, "STATX_ATTR_???");
PRINT_FIELD_U(", ", *st, stx_nlink);
PRINT_FIELD_U32_UID(stx_uid);
PRINT_FIELD_U32_UID(stx_gid);
printf(", stx_mode=");
print_ftype(st->stx_mode);
printf("|");
print_perms(st->stx_mode);
PRINT_FIELD_U(", ", *st, stx_ino);
PRINT_FIELD_U(", ", *st, stx_size);
PRINT_FIELD_U(", ", *st, stx_blocks);
printf(", stx_attributes_mask=");
printflags(statx_attrs, st->stx_attributes_mask, "STATX_ATTR_???");
PRINT_FIELD_TIME(stx_atime);
PRINT_FIELD_TIME(stx_btime);
PRINT_FIELD_TIME(stx_ctime);
PRINT_FIELD_TIME(stx_mtime);
PRINT_FIELD_U(", ", *st, stx_rdev_major);
PRINT_FIELD_U(", ", *st, stx_rdev_minor);
PRINT_FIELD_U(", ", *st, stx_dev_major);
PRINT_FIELD_U(", ", *st, stx_dev_minor);
printf("}");
}
# endif /* !IS_STATX */
static int
create_sample(const char *fname, const libc_off_t size)
{
static const struct timespec ts[] = {
{-10843, 135}, {-10841, 246}
};
(void) close(0);
if (open(fname, O_RDWR | O_CREAT | O_TRUNC, 0640)) {
perror(fname);
return 77;
}
if (ftruncate(0, size)) {
perror("ftruncate");
return 77;
}
if (futimens(0, ts)) {
perror("futimens");
return 77;
}
return 0;
}
int
main(void)
{
# if IS_FSTAT
skip_if_unavailable("/proc/self/fd/");
# else
static const char full[] = "/dev/full";
# endif
static const char sample[] = "stat.sample";
TAIL_ALLOC_OBJECT_CONST_PTR(STRUCT_STAT, st);
int rc;
rc = create_sample(sample, SAMPLE_SIZE);
if (rc)
return rc;
# if TEST_BOGUS_STRUCT_STAT
STRUCT_STAT *st_cut = tail_alloc(sizeof(long) * 4);
rc = TEST_SYSCALL_INVOKE(sample, st_cut);
PRINT_SYSCALL_HEADER(sample);
printf("%p", st_cut);
PRINT_SYSCALL_FOOTER(rc);
# endif
# if !IS_FSTAT
rc = TEST_SYSCALL_INVOKE(full, st);
PRINT_SYSCALL_HEADER(full);
if (rc)
printf("%p", st);
else
print_stat(st);
PRINT_SYSCALL_FOOTER(rc);
# endif
if ((rc = TEST_SYSCALL_INVOKE(sample, st))) {
if (errno != EOVERFLOW) {
rc = (errno == ENOSYS) ? 77 : 1;
perror(TEST_SYSCALL_STR);
return rc;
}
}
# if IS_STATX
# define ST_SIZE_FIELD stx_size
# else
# define ST_SIZE_FIELD st_size
# endif
if (!rc && zero_extend_signed_to_ull(SAMPLE_SIZE) !=
zero_extend_signed_to_ull(st->ST_SIZE_FIELD)) {
fprintf(stderr, "Size mismatch: "
"requested size(%llu) != st_size(%llu)\n",
zero_extend_signed_to_ull(SAMPLE_SIZE),
zero_extend_signed_to_ull(st->ST_SIZE_FIELD));
fprintf(stderr, "The most likely reason for this is incorrect"
" definition of %s.\n"
"Here is some diagnostics that might help:\n",
STRUCT_STAT_STR);
# define LOG_STAT_OFFSETOF_SIZEOF(object, member) \
fprintf(stderr, "offsetof(%s, %s) = %zu" \
", sizeof(%s) = %zu\n", \
STRUCT_STAT_STR, #member, \
offsetof(STRUCT_STAT, member), \
#member, sizeof((object).member))
# if IS_STATX
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_mask);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_blksize);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_attributes);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_nlink);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_uid);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_gid);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_mode);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_ino);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_size);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_blocks);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_attributes_mask);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_atime);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_btime);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_ctime);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_mtime);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_rdev_major);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_rdev_minor);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_dev_major);
LOG_STAT_OFFSETOF_SIZEOF(*st, stx_dev_minor);
# else
LOG_STAT_OFFSETOF_SIZEOF(*st, st_dev);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_ino);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_mode);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_nlink);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_uid);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_gid);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_rdev);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_size);
# if !OLD_STAT
LOG_STAT_OFFSETOF_SIZEOF(*st, st_blksize);
LOG_STAT_OFFSETOF_SIZEOF(*st, st_blocks);
# endif /* !OLD_STAT */
# endif /* IS_STATX */
return 1;
}
PRINT_SYSCALL_HEADER(sample);
if (rc)
printf("%p", st);
else
print_stat(st);
PRINT_SYSCALL_FOOTER(rc);
# if IS_STATX
# define INVOKE() \
do { \
rc = TEST_SYSCALL_INVOKE(sample, st); \
PRINT_SYSCALL_HEADER(sample); \
if (rc) \
printf("%p", st); \
else \
print_stat(st); \
PRINT_SYSCALL_FOOTER(rc); \
} while (0)
# define SET_FLAGS_INVOKE(flags, flags_str) \
do { \
TEST_SYSCALL_STATX_FLAGS = flags; \
TEST_SYSCALL_STATX_FLAGS_STR = flags_str; \
INVOKE(); \
} while (0)
# define SET_MASK_INVOKE(mask, mask_str) \
do { \
TEST_SYSCALL_STATX_MASK = mask; \
TEST_SYSCALL_STATX_MASK_STR = mask_str; \
INVOKE(); \
} while (0)
unsigned old_flags = TEST_SYSCALL_STATX_FLAGS;
const char *old_flags_str = TEST_SYSCALL_STATX_FLAGS_STR;
unsigned old_mask = TEST_SYSCALL_STATX_MASK;
const char *old_mask_str = TEST_SYSCALL_STATX_MASK_STR;
SET_FLAGS_INVOKE(AT_SYMLINK_FOLLOW | 0xffff0000U,
"AT_STATX_SYNC_AS_STAT|AT_SYMLINK_FOLLOW|0xffff0000");
SET_FLAGS_INVOKE(AT_STATX_SYNC_TYPE,
"AT_STATX_FORCE_SYNC|AT_STATX_DONT_SYNC");
SET_FLAGS_INVOKE(0xffffff,
"AT_STATX_FORCE_SYNC|AT_STATX_DONT_SYNC|AT_SYMLINK_NOFOLLOW|"
"AT_REMOVEDIR|AT_SYMLINK_FOLLOW|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|"
"0xff80ff");
/* We're done playing with flags. */
TEST_SYSCALL_STATX_FLAGS = old_flags;
TEST_SYSCALL_STATX_FLAGS_STR = old_flags_str;
SET_MASK_INVOKE(0, "0");
SET_MASK_INVOKE(0xfffff000U, "0xfffff000 /* STATX_??? */");
SET_MASK_INVOKE(0xfffffffbU,
"STATX_TYPE|STATX_MODE|STATX_UID|STATX_GID|STATX_ATIME|"
"STATX_MTIME|STATX_CTIME|STATX_INO|STATX_SIZE|STATX_BLOCKS|"
"STATX_BTIME|0xfffff000");
SET_MASK_INVOKE(STATX_UID, "STATX_UID");
/* ...and with mask. */
TEST_SYSCALL_STATX_MASK = old_mask;
TEST_SYSCALL_STATX_MASK_STR = old_mask_str;
# endif /* IS_STATX */
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_FTRUNCATE && HAVE_FUTIMENS")
#endif