tests/generic/423

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Red Hat, Inc.  All Rights Reserved.
#
# FS QA Test 423
#
# Test the statx system call
#
. ./common/preamble
_begin_fstest auto quick

# Override the default cleanup function.
_cleanup()
{
	cd /
	rm -f $tmp.*
	rm -rf $TEST_DIR/$seq-*
}

# Import common functions.
. ./common/filter


# Modify as appropriate.
_require_test
_require_test_program "stat_test"
_require_test_program "af_unix"
_require_statx
_require_symlinks
_require_mknod

function check_stat () {
	$here/src/stat_test $* || echo stat_test failed
}

function create_af_unix () {
	$here/src/af_unix $* || echo af_unix failed
}

###############################################################################
#
# Check statx'ing of various types of object
#
# After each object is created, barring the first, we check that the creation
# time and the change time of the new object as same as or later than the
# corresponding timestamps on the previous object created.
#
###############################################################################
echo "Test statx on a fifo"
mkfifo -m 0600 $TEST_DIR/$seq-fifo
check_stat $TEST_DIR/$seq-fifo \
	   ts_order \
	   stx_type=fifo \
	   stx_mode=0600 \
	   stx_rdev_major=0 \
	   stx_rdev_minor=0 \
	   stx_nlink=1

echo "Test statx on a chardev"
mknod -m 0600 $TEST_DIR/$seq-null c 1 3
check_stat $TEST_DIR/$seq-null \
	   ts_order \
	   ref=$TEST_DIR/$seq-fifo \
	   ts=B,b \
	   ts=M,m \
	   stx_type=char \
	   stx_mode=0600 \
	   stx_rdev_major=1 \
	   stx_rdev_minor=3 \
	   stx_nlink=1

echo "Test statx on a directory"
mkdir $TEST_DIR/$seq-dir
check_stat $TEST_DIR/$seq-dir \
	   ts_order \
	   ref=$TEST_DIR/$seq-null \
	   ts=B,b \
	   ts=M,m \
	   stx_type=dir \
	   stx_mode=0755 \
	   stx_rdev_major=0 \
	   stx_rdev_minor=0

echo "Test statx on a blockdev"
mknod -m 0600 $TEST_DIR/$seq-loopy b 7 123
check_stat $TEST_DIR/$seq-loopy \
	   ts_order \
	   ref=$TEST_DIR/$seq-dir \
	   ts=B,b \
	   ts=M,m \
	   stx_type=block \
	   stx_mode=0600 \
	   stx_rdev_major=7 \
	   stx_rdev_minor=123 \
	   stx_nlink=1

echo "Test statx on a file"
dd if=/dev/zero of=$TEST_DIR/$seq-file bs=1024 count=20
check_stat $TEST_DIR/$seq-file \
	   ts_order \
	   ref=$TEST_DIR/$seq-loopy \
	   ts=B,b \
	   ts=M,m \
	   stx_type=file \
	   stx_size=20480 \
	   stx_rdev_major=0 \
	   stx_rdev_minor=0 \
	   stx_nlink=1

echo "Test statx on a symlink"
target=$TEST_DIR/$seq-nowhere
ln -s $target $TEST_DIR/$seq-symlink
check_stat $TEST_DIR/$seq-symlink \
	   ts_order \
	   ref=$TEST_DIR/$seq-file \
	   ts=B,b \
	   ts=M,m \
	   stx_type=sym \
	   stx_size=${#target} \
	   stx_rdev_major=0 \
	   stx_rdev_minor=0 \
	   stx_nlink=1

echo "Test statx on an AF_UNIX socket"
create_af_unix $TEST_DIR/$seq-sock
check_stat $TEST_DIR/$seq-sock \
	   ts_order \
	   ref=$TEST_DIR/$seq-symlink \
	   ts=B,b \
	   ts=M,m \
	   stx_type=sock \
	   stx_rdev_major=0 \
	   stx_rdev_minor=0 \
	   stx_nlink=1

#
# Test hard link creation.  Make sure that the file's ctime is now same as or
# later than the creation time of the socket, but that the file's creation time
# still lies somewhere between those of the directory and the socket.
#
echo "Test a hard link to a file"
ln $TEST_DIR/$seq-file $TEST_DIR/$seq-link
check_stat $TEST_DIR/$seq-link \
	   ref=$TEST_DIR/$seq-dir \
	   ts=B,b \
	   ref=$TEST_DIR/$seq-sock \
	   ts=b,B \
	   ts=B,c \
	   ts=C,c \
	   ref=$TEST_DIR/$seq-file \
	   cmp_ref \
	   stx_nlink=2

# Done.  We leave the success determination to the output comparator.
status=0
exit