518 lines
14 KiB
Bash
518 lines
14 KiB
Bash
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#!/bin/sh
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#
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# Automated tests for utimensat()
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#
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# Copyright (C) 2008, Linux Foundation
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# Written by Michael Kerrisk <mtk.manpages@gmail.com>
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# Licensed under GPLv2 or later
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#
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# Not (yet) included in this automated test set:
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# * AT_SYMLINK_NOFOLLOW in flags: If pathname specifies a symbolic link,
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# then update the timestamps of the link, rather than the file to which
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# it refers.
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# * Setting of nanosecond components of timestamps (support for
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# nanosecond timestamps is file-system-dependent)
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# * "Updated file timestamps are set to the greatest value supported
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# by the file system that is not greater than the specified time."
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# (i.e., if we set timestamp to {0, 999999999}, then the setting
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# is rounded down, rather than up, to unit of timestamp resolution.
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# * Privileged processes should be able to bypass permission checks.
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# (except when file is marked with the "Immutable" EFA).
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#=====================================================================
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export TCID=utimensat01
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export TST_TOTAL=99
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export TST_COUNT=0
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. test.sh
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if tst_kvcmp -lt "2.6.22"; then
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tst_brkm TCONF "System kernel version is less than 2.6.22,cannot execute test"
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fi
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# Starting with 4.8.0 operations on immutable files return EPERM instead of
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# EACCES.
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# This patch has also been merged to stable 4.4 with
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# b3b4283 ("vfs: move permission checking into notify_change() for utimes(NULL)")
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if tst_kvcmp -ge "4.4.27" -a -lt "4.5.0"; then
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imaccess=EPERM
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elif tst_kvcmp -lt "4.4.27"; then
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imaccess=EACCES
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else
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imaccess=EPERM
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fi
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RESULT_FILE=$TMPDIR/utimensat.result
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TEST_DIR=$TMPDIR/utimensat_tests
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FILE=$TEST_DIR/utimensat.test_file
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TEST_PROG=utimensat01
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if [ ! -f $LTPROOT/testcases/bin/$TEST_PROG ]; then
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tst_brkm TBROK "$LTPROOT/testcases/bin/$TEST_PROG is missing (please check install)"
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fi
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# Summary counters of all test results
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test_num=0
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failed_cnt=0
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passed_cnt=0
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failed_list=""
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#=====================================================================
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setup_file()
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{
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# $1 is test file pathname
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# $2 is owner for test file (chown(1))
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# $3 is permissions for test file (chmod(1))
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# $4 is "ext2" extended file attributes for test file (chattr(1))
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FILE=$1
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# Make sure any old version of file is deleted
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if test -e $FILE; then
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sudo $s_arg chattr -ai $FILE || return $?
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sudo $s_arg rm -f $FILE || return $?
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fi
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# Create file and make atime and mtime zero.
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sudo $s_arg -u $test_user touch $FILE || return $?
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if ! $TEST_PROG -q $FILE 0 0 0 0 > $RESULT_FILE; then
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echo "Failed to set up test file $FILE" 1>&2
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exit 1
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fi
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read res atime mtime < $RESULT_FILE
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if test "X$res" != "XSUCCESS" ||
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test $atime -ne 0 || test $mtime != 0; then
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echo "Failed to set correct times on test file $FILE" 1>&2
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exit 1
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fi
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# Set owner, permissions, and EFAs for file.
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if test -n "$2"; then
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sudo $s_arg chown $2 $FILE || return $?
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fi
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sudo $s_arg chmod $3 $FILE || return $?
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if test -n "$4"; then
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sudo $s_arg chattr $4 $FILE || return $?
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fi
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# Display file setup, for visual verification
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ls -l $FILE | awk '{ printf "Owner=%s; perms=%s; ", $3, $1}'
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if ! sudo $s_arg lsattr -l $FILE | sed 's/, /,/g' | awk '{print "EFAs=" $2}'
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then
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return $?
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fi
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}
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test_failed()
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{
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tst_resm TFAIL "FAILED test $test_num"
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failed_cnt=$(expr $failed_cnt + 1)
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failed_list="$failed_list $test_num"
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}
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check_result()
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{
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STATUS=$1 # Exit status from test program
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EXPECTED_RESULT=$2 # SUCCESS / EACCES / EPERM / EINVAL
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EXPECT_ATIME_CHANGED=$3 # Should be 'y' or 'n' (only for SUCCESS)
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EXPECT_MTIME_CHANGED=$4 # Should be 'y' or 'n' (only for SUCCESS)
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test_num=$(expr $test_num + 1)
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# If our test setup failed, stop immediately
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if test $STATUS -gt 1; then
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echo "FAILED (bad test setup)"
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exit 1
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fi
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read res atime mtime < $RESULT_FILE
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echo "EXPECTED: $EXPECTED_RESULT $EXPECT_ATIME_CHANGED "\
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"$EXPECT_MTIME_CHANGED"
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echo "RESULT: $res $atime $mtime"
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if test "$res" != "$EXPECTED_RESULT"; then
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test_failed
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return
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fi
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passed=1
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# If the test program exited successfully, then check that atime and
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# and mtime were updated / not updated, as expected.
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if test $EXPECTED_RESULT = "SUCCESS"; then
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if test $EXPECT_ATIME_CHANGED = "y"; then
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if test $atime -eq 0; then
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echo "atime should have changed, but did not"
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passed=0
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fi
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else
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if test $atime -ne 0; then
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echo "atime should not have changed, but did"
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passed=0
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fi
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fi
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if test $EXPECT_MTIME_CHANGED = "y"; then
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if test $mtime -eq 0; then
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echo "mtime should have changed, but did not"
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passed=0
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fi
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else
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if test $mtime -ne 0; then
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echo "mtime should not have changed, but did"
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passed=0
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fi
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fi
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if test $passed -eq 0; then
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test_failed
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return
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fi
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fi
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passed_cnt=$(expr $passed_cnt + 1)
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tst_resm TPASS "PASSED test $test_num"
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}
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run_test()
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{
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# By default, we do three types of test:
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# a) pathname (pathname != NULL)
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# b) readable file descriptor (pathname == NULL, dirfd opened O_RDONLY)
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# c) writable file descriptor (pathname == NULL, dirfd opened O_RDWR).
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# For this case we also include O_APPEND in open flags, since that
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# is needed if testing with a file that has the Append-only
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# attribute enabled.
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# -R says don't do tests with readable file descriptor
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# -W says don't do tests with writable file descriptor
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OPTIND=1
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do_read_fd_test=1
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do_write_fd_test=1
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while getopts "RW" opt; do
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case "$opt" in
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R) do_read_fd_test=0
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;;
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W) do_write_fd_test=0
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;;
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*) echo "run_test: bad usage"
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exit 1
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;;
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esac
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done
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shift `expr $OPTIND - 1`
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echo "Pathname test"
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setup_file $FILE "$1" "$2" "$3"
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cp $LTPROOT/testcases/bin/$TEST_PROG ./
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CMD="./$TEST_PROG -q $FILE $4"
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echo "$CMD"
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sudo $s_arg -u $test_user $CMD > $RESULT_FILE
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check_result $? $5 $6 $7
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echo
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if test $do_read_fd_test -ne 0; then
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echo "Readable file descriptor (futimens(3)) test"
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setup_file $FILE "$1" "$2" "$3"
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CMD="./$TEST_PROG -q -d $FILE NULL $4"
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echo "$CMD"
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sudo $s_arg -u $test_user $CMD > $RESULT_FILE
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check_result $? $5 $6 $7
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echo
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fi
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# Can't do the writable file descriptor test for immutable files
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# (even root can't open an immutable file for writing)
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if test $do_write_fd_test -ne 0; then
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echo "Writable file descriptor (futimens(3)) test"
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setup_file $FILE "$1" "$2" "$3"
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CMD="./$TEST_PROG -q -w -d $FILE NULL $4"
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echo "$CMD"
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sudo $s_arg -u $test_user $CMD > $RESULT_FILE
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check_result $? $5 $6 $7
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echo
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fi
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sudo $s_arg chattr -ai $FILE
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sudo $s_arg rm -f $FILE
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}
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#=====================================================================
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# Since some automated testing systems have no tty while testing,
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# comment this line in /etc/sudoers to avoid the error message:
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# `sudo: sorry, you must have a tty to run sudo'
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# Use trap to restore this line after program terminates.
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sudoers=/etc/sudoers
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if [ ! -r $sudoers ]; then
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tst_brkm TBROK "can't read $sudoers"
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fi
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pattern="[[:space:]]*Defaults[[:space:]]*requiretty.*"
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if grep -q "^${pattern}" $sudoers; then
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tst_resm TINFO "Comment requiretty in $sudoers for automated testing systems"
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if ! sed -r -i.$$ -e "s/^($pattern)/#\1/" $sudoers; then
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tst_brkm TBROK "failed to mangle $sudoers properly"
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fi
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trap 'trap "" EXIT; restore_sudoers' EXIT
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fi
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restore_sudoers()
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{
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tst_resm TINFO "Restore requiretty in $sudoers"
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mv /etc/sudoers.$$ /etc/sudoers
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}
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test_user=nobody
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echo "test sudo for -n option, non-interactive"
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if sudo -h | grep -q -- -n; then
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s_arg="-n"
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echo "sudo supports -n"
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else
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s_arg=
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echo "sudo does not support -n"
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fi
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if ! sudo $s_arg true; then
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tst_brkm TBROK "sudo cannot be run by user non-interactively"
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fi
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if test ! -f $sudoers
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then
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echo "root ALL=(ALL) ALL" > $sudoers || exit
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chmod 440 $sudoers
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trap 'trap "" EXIT; nuke_sudoers' EXIT
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fi
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nuke_sudoers()
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{
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sudo rm -f $sudoers
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}
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sudo $s_arg -u $test_user mkdir -p $TEST_DIR
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# Make sure chattr command is supported
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touch $TEST_DIR/tmp_file
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chattr +a $TEST_DIR/tmp_file
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if [ $? -ne 0 ] ; then
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rm -rf $TEST_DIR
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tst_brkm TCONF "chattr not supported"
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fi
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chattr -a $TEST_DIR/tmp_file
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cd $TEST_DIR
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chown root $LTPROOT/testcases/bin/$TEST_PROG
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chmod ugo+x,u+s $LTPROOT/testcases/bin/$TEST_PROG
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#=====================================================================
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echo "============================================================"
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echo
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echo "Testing read-only file, owned by self"
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echo
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echo "***** Testing times==NULL case *****"
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run_test -W "" 400 "" "" SUCCESS y y
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echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
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run_test -W "" 400 "" "0 n 0 n" SUCCESS y y
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echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
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run_test -W "" 400 "" "0 o 0 o" SUCCESS n n
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echo "***** Testing times=={ UTIME_NOW, UTIME_OMIT } case *****"
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run_test -W "" 400 "" "0 n 0 o" SUCCESS y n
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echo "***** Testing times=={ UTIME_OMIT, UTIME_NOW } case *****"
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run_test -W "" 400 "" "0 o 0 n" SUCCESS n y
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echo "***** Testing times=={ x, y } case *****"
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run_test -W "" 400 "" "1 1 1 1" SUCCESS y y
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echo "============================================================"
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echo
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echo "Testing read-only file, not owned by self"
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echo
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echo "***** Testing times==NULL case *****"
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run_test -RW root 400 "" "" EACCES
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echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
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run_test -RW root 400 "" "0 n 0 n" EACCES
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echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
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run_test -RW root 400 "" "0 o 0 o" SUCCESS n n
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echo "***** Testing times=={ UTIME_NOW, UTIME_OMIT } case *****"
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run_test -RW root 400 "" "0 n 0 o" EPERM
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echo "***** Testing times=={ UTIME_OMIT, UTIME_NOW } case *****"
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run_test -RW root 400 "" "0 o 0 n" EPERM
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echo "***** Testing times=={ x, y } case *****"
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run_test -RW root 400 "" "1 1 1 1" EPERM
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echo "============================================================"
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echo
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echo "Testing writable file, not owned by self"
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echo
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||
|
|
echo "***** Testing times==NULL case *****"
|
||
|
|
run_test root 666 "" "" SUCCESS y y
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
|
||
|
|
run_test root 666 "" "0 n 0 n" SUCCESS y y
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
|
||
|
|
run_test root 666 "" "0 o 0 o" SUCCESS n n
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_OMIT } case *****"
|
||
|
|
run_test root 666 "" "0 n 0 o" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_NOW } case *****"
|
||
|
|
run_test root 666 "" "0 o 0 n" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ x, y } case *****"
|
||
|
|
run_test root 666 "" "1 1 1 1" EPERM
|
||
|
|
|
||
|
|
echo "============================================================"
|
||
|
|
|
||
|
|
echo
|
||
|
|
echo "Testing append-only file, owned by self"
|
||
|
|
echo
|
||
|
|
|
||
|
|
echo "***** Testing times==NULL case *****"
|
||
|
|
run_test "" 600 "+a" "" SUCCESS y y
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
|
||
|
|
run_test "" 600 "+a" "0 n 0 n" SUCCESS y y
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
|
||
|
|
run_test "" 600 "+a" "0 o 0 o" SUCCESS n n
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_OMIT } case *****"
|
||
|
|
run_test "" 600 "+a" "0 n 0 o" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_NOW } case *****"
|
||
|
|
run_test "" 600 "+a" "0 o 0 n" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ x, y } case *****"
|
||
|
|
run_test "" 600 "+a" "1 1 1 1" EPERM
|
||
|
|
|
||
|
|
echo "============================================================"
|
||
|
|
|
||
|
|
echo
|
||
|
|
echo "Testing immutable file, owned by self"
|
||
|
|
echo
|
||
|
|
|
||
|
|
echo "***** Testing times==NULL case *****"
|
||
|
|
run_test -W "" 600 "+i" "" $imaccess
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
|
||
|
|
run_test -W "" 600 "+i" "0 n 0 n" $imaccess
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
|
||
|
|
run_test -W "" 600 "+i" "0 o 0 o" SUCCESS n n
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_OMIT } case *****"
|
||
|
|
run_test -W "" 600 "+i" "0 n 0 o" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_NOW } case *****"
|
||
|
|
run_test -W "" 600 "+i" "0 o 0 n" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ x, y } case *****"
|
||
|
|
run_test -W "" 600 "+i" "1 1 1 1" EPERM
|
||
|
|
|
||
|
|
echo "============================================================"
|
||
|
|
|
||
|
|
# Immutable+append-only should have same results as immutable
|
||
|
|
|
||
|
|
echo
|
||
|
|
echo "Testing immutable append-only file, owned by self"
|
||
|
|
echo
|
||
|
|
|
||
|
|
echo "***** Testing times==NULL case *****"
|
||
|
|
run_test -W "" 600 "+ai" "" $imaccess
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
|
||
|
|
run_test -W "" 600 "+ai" "0 n 0 n" $imaccess
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
|
||
|
|
run_test -W "" 600 "+ai" "0 o 0 o" SUCCESS n n
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_OMIT } case *****"
|
||
|
|
run_test -W "" 600 "+ai" "0 n 0 o" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_NOW } case *****"
|
||
|
|
run_test -W "" 600 "+ai" "0 o 0 n" EPERM
|
||
|
|
|
||
|
|
echo "***** Testing times=={ x, y } case *****"
|
||
|
|
run_test -W "" 600 "+ai" "1 1 1 1" EPERM
|
||
|
|
|
||
|
|
echo "============================================================"
|
||
|
|
|
||
|
|
echo
|
||
|
|
|
||
|
|
# EINVAL should result, if pathname is NULL, dirfd is not
|
||
|
|
# AT_FDCWD, and flags contains AT_SYMLINK_NOFOLLOW.
|
||
|
|
|
||
|
|
echo "***** Testing pathname==NULL, dirfd!=AT_FDCWD, flags has" \
|
||
|
|
"AT_SYMLINK_NOFOLLOW *****"
|
||
|
|
setup_file $FILE "" 600 ""
|
||
|
|
CMD="$TEST_PROG -q -n -d $FILE NULL $4"
|
||
|
|
echo "$CMD"
|
||
|
|
$CMD > $RESULT_FILE
|
||
|
|
check_result $? EINVAL
|
||
|
|
echo
|
||
|
|
|
||
|
|
echo "============================================================"
|
||
|
|
|
||
|
|
echo
|
||
|
|
|
||
|
|
# If UTIME_NOW / UTIME_OMIT in tv_nsec field, the tv_sec should
|
||
|
|
# be ignored.
|
||
|
|
|
||
|
|
echo "tv_sec should be ignored if tv_nsec is UTIME_OMIT or UTIME_NOW"
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_NOW, UTIME_NOW } case *****"
|
||
|
|
run_test -RW "" 600 "" "1 n 1 n" SUCCESS y y
|
||
|
|
|
||
|
|
echo "***** Testing times=={ UTIME_OMIT, UTIME_OMIT } case *****"
|
||
|
|
run_test -RW "" 600 "" "1 o 1 o" SUCCESS n n
|
||
|
|
|
||
|
|
echo "============================================================"
|
||
|
|
|
||
|
|
echo
|
||
|
|
|
||
|
|
rm -rf "$TEST_DIR"
|
||
|
|
uname -a
|
||
|
|
date
|
||
|
|
echo "Total tests: $test_num; passed: $passed_cnt; failed: $failed_cnt"
|
||
|
|
if test $failed_cnt -gt 0; then
|
||
|
|
echo "Failed tests: $failed_list"
|
||
|
|
fi
|
||
|
|
|
||
|
|
tst_exit
|