tests/_test_tpm2_save_load_state_da_timeout - third_party/github.com/stefanberger/swtpm - Git at Google

 #!/bin/bash

 # For the license, see the LICENSE file in the root directory.
 #set -x


 ROOT=${abs_top_builddir:-$(pwd)/..}
 TESTDIR=${abs_top_testdir:-$(dirname "$0")}

 VTPM_NAME="${VTPM_NAME:-vtpm-tpm2-test-save-load-state-da-timeout}"
 SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
 TPM_PATH="$(mktemp -d)" || exit 1
 STATE_FILE=$TPM_PATH/tpm2-00.permall
 VOLATILE_STATE_FILE=$TPM_PATH/tpm2-00.volatilestate
 MY_VOLATILE_STATE_FILE=$TPM_PATH/my.volatilestate
 MY_PERMANENT_STATE_FILE=$TPM_PATH/my.permanent
 SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse}
 SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock
 SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock

 logfile="$(mktemp)" || exit 1

 function cleanup()
 {
 	pid=${SWTPM_PID}
 	if [ -n "$pid" ]; then
 		kill_quiet -9 "$pid"
 	fi
 	rm -f "$logfile"
 	rm -rf "$TPM_PATH"
 }

 trap "cleanup" EXIT

 [ "${SWTPM_INTERFACE}" == "cuse" ] && source "${TESTDIR}/test_cuse"
 source "${TESTDIR}/common"

 rm -f "$STATE_FILE" "$VOLATILE_STATE_FILE" 2>/dev/null

 TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
 	--log "file=$logfile,level=20" \
 	--tpm2

 display_processes_by_name "$SWTPM"

 if ! kill_quiet -0 "${SWTPM_PID}"; then
 	echo "Error: ${SWTPM_INTERFACE} TPM did not start."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 # Init the TPM
 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
 	echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 if ! kill_quiet -0 "${SWTPM_PID}" 2>/dev/null; then
 	echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after INIT."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 # Startup the TPM
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00')
 exp=' 80 01 00 00 00 0a 00 00 00 00'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result from TPM2_Startup(ST_Clear)"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # Create an NVRAM location: nvdefinespace -hi o -ha 01000000 -pwdn nnn  -sz 16 -at da
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x02\x00\x00\x00\x30\x00\x00\x01\x2a\x40\x00\x00\x01\x00\x00\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x03\x6e\x6e\x6e\x00\x0e\x01\x00\x00\x00\x00\x0b\x00\x04\x00\x04\x00\x00\x00\x10')
 exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result from TPM2_NV_DefineSpace()"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 sleep 1

 # TPM2_NV_Write with good password 'nnn' and bad password 'nn'
 NVWRITE_GOOD='\x80\x02\x00\x00\x00\x2a\x00\x00\x01\x37\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0c\x40\x00\x00\x09\x00\x00\x00\x00\x03\x6e\x6e\x6e\x00\x04\x74\x65\x73\x74\x00\x00'
 NVWRITE_BAD='\x80\x02\x00\x00\x00\x29\x00\x00\x01\x37\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\x40\x00\x00\x09\x00\x00\x00\x00\x02\x6e\x6e\x00\x04\x74\x65\x73\x74\x00\x00'

 # Write some data into the NVRAM area: nvwrite -ha 01000000 -ic test -pwdn nnn
 # Due to -at da being used on TPM2_NV_DefineSpace, the first time the command will request a retry
 for ((i = 0; i < 2; i++)); do
 	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
 	exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
 	if [ "$i" -eq 1 ] && [ "$RES" != "$exp" ]; then
 		echo "Error: Did not get expected result from TPM2_NV_Write()"
 		echo "expected: $exp"
 		echo "received: $RES"
 		exit 1
 	fi
 done

 # Set the dictionary attack parameters: dictionaryattackparameters -lr 6 -nrt 6
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x02\x00\x00\x00\x27\x00\x00\x01\x3a\x40\x00\x00\x0a\x00\x00\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x06')
 exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result fron TPM2_DictionaryAttackParameters()"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 timenow=$(date +%s)
 timeout=$((timenow + 6))
 # Send TPM2_NV_Write with wrong password
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_BAD})
 exp=' 80 01 00 00 00 0a 00 00 09 8e'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result from TPM2_NV_Write() with bad password"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi
 timenow=$(date +%s)
 timerecovery=$((timenow + 6))

 # TPM2_NV_Write with good password must now fail until $timeout
 while :; do
 	timenow=$(date +%s)
 	echo "Writing with good password failed due to lockout until $timeout - now is $timenow."
 	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
 	exp=' 80 01 00 00 00 0a 00 00 09 21'
 	# busy systems may run the above at >= $timeout and get an unexpected result; check time again
 	timenow=$(date +%s)
 	if [ "$RES" != "$exp" ] && [ "$timenow" -lt "$timeout" ]; then
 		echo "Error: Did not get expected failure from TPM2_NV_Write() with good password. Lockout should be enabled."
 		echo "expected: $exp"
 		echo "received: $RES"
 		exit 1
 	fi
 	[ "$timenow" -ge "$timeout" ] && break
 	sleep 1
 done

 while :; do
 	sleep 1
 	timenow=$(date +%s)
 	[ "$timenow" -gt "$timerecovery" ] && break
 done
 timenow_after=$(date +%s)
 echo "Time is now ${timenow_after} -- trying with good password should work now."
 # Now writing with the good password must work again
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
 exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result from TPM2_NV_Write() with good password"
 	echo "expected: $exp"
 	echo "received: $RES"
 	# OS X special check
 	if [ "$timenow_after" -lt "$timenow" ]; then
 		echo "Time went backwards..."
 		exit 77
 	fi
 	exit 1
 fi

 timenow=$(date +%s)
 timeout=$((timenow + 6))
 # Again cause lockout: Send TPM2_NV_Write with wrong password
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_BAD})
 exp=' 80 01 00 00 00 0a 00 00 09 8e'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result from TPM2_NV_Write() with bad password"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi
 timenow=$(date +%s)
 timerecovery=$((timenow + 6))

 # Save the state and restore it and then try to poll again
 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --save permanent "$MY_PERMANENT_STATE_FILE"; then
 	echo "Error: Could not write permanent state file $MY_PERMANENT_STATE_FILE."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi
 if [ ! -r "$MY_PERMANENT_STATE_FILE" ]; then
 	echo "Error: Permanent state file $MY_PERMANENT_STATE_FILE does not exist."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi
 echo "Saved permanent state."

 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --save volatile "$MY_VOLATILE_STATE_FILE"; then
 	echo "Error: Could not write volatile state file $MY_VOLATILE_STATE_FILE."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi
 if [ ! -r "$MY_VOLATILE_STATE_FILE" ]; then
 	echo "Error: Volatile state file $MY_VOLATILE_STATE_FILE does not exist."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi
 echo "Saved volatile state."

 # we will use our own volatile state
 rm -f "$VOLATILE_STATE_FILE" "$STATE_FILE"

 # Stop the TPM; this will not shut it down
 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --stop; then
 	echo "Error: Could not stop the ${SWTPM_INTERFACE} TPM."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 if ! kill_quiet -0 "${SWTPM_PID}"; then
 	echo "Error (2): ${SWTPM_INTERFACE} TPM is not running anymore."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 # load state into the TPM
 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --load permanent "$MY_PERMANENT_STATE_FILE"; then
 	echo "Could not load permanent state into vTPM"
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi
 echo "Loaded permanent state."

 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --load volatile "$MY_VOLATILE_STATE_FILE"; then
 	echo "Could not load volatile state into vTPM"
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi
 echo "Loaded volatile state."

 #ls -l $(dirname $MY_VOLATILE_STATE_FILE)/*
 #sha1sum $(dirname $MY_VOLATILE_STATE_FILE)/*

 # Init the TPM
 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
 	echo "TPM Init failed."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 # Volatile state must have been removed by TPM now
 if [ -r "$VOLATILE_STATE_FILE" ]; then
 	echo "Error: Volatile state file $VOLATILE_STATE_FILE still exists."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi


 # TPM2_NV_Write with good password must now fail until $timeout
 while :; do
 	timenow=$(date +%s)
 	echo "Writing with good password failed due to lockout until $timeout - now is $timenow."
 	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
 	exp=' 80 01 00 00 00 0a 00 00 09 21'
 	# busy systems may run the above at >= $timeout and get an unexpected result; check time again
 	timenow=$(date +%s)
 	if [ "$RES" != "$exp" ] && [ "$timenow" -lt "$timeout" ]; then
 		echo "Error: Did not get expected failure from TPM2_NV_Write() with good password. Lockout should be enabled."
 		echo "expected: $exp"
 		echo "received: $RES"
 		exit 1
 	fi
 	[ "$timenow" -ge "$timeout" ] && break
 	sleep 1
 done

 while :; do
 	sleep 1
 	timenow=$(date +%s)
 	[ "$timenow" -gt "$timerecovery" ] && break
 done
 timenow_after=$(date +%s)
 echo "Time is now $timenow_after -- trying with good password should work now."
 # Now writing with the good password must work again
 RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
 exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Did not get expected result from TPM2_NV_Write() with good password"
 	echo "expected: $exp"
 	echo "received: $RES"
 	# OS X special check
 	if [ "$timenow_after" -lt "$timenow" ]; then
 		echo "Time went backwards..."
 		exit 77
 	fi
 	exit 1
 fi

 # Final shut down
 if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; then
 	echo "Error: Could not shut down the ${SWTPM_INTERFACE} TPM."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 if wait_process_gone ${SWTPM_PID} 4; then
 	echo "Error: ${SWTPM_INTERFACE} TPM should not be running anymore."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 if [ ! -e "$STATE_FILE" ]; then
 	echo "Error: TPM state file $STATE_FILE does not exist."
 	echo "TPM Logfile:"
 	cat "$logfile"
 	exit 1
 fi

 echo "OK"

 exit 0
	#!/bin/bash

	# For the license, see the LICENSE file in the root directory.
	#set -x


	ROOT=${abs_top_builddir:-$(pwd)/..}
	TESTDIR=${abs_top_testdir:-$(dirname "$0")}

	VTPM_NAME="${VTPM_NAME:-vtpm-tpm2-test-save-load-state-da-timeout}"
	SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
	TPM_PATH="$(mktemp -d)" \|\| exit 1
	STATE_FILE=$TPM_PATH/tpm2-00.permall
	VOLATILE_STATE_FILE=$TPM_PATH/tpm2-00.volatilestate
	MY_VOLATILE_STATE_FILE=$TPM_PATH/my.volatilestate
	MY_PERMANENT_STATE_FILE=$TPM_PATH/my.permanent
	SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse}
	SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock
	SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock

	logfile="$(mktemp)" \|\| exit 1

	function cleanup()
	{
	pid=${SWTPM_PID}
	if [ -n "$pid" ]; then
	kill_quiet -9 "$pid"
	fi
	rm -f "$logfile"
	rm -rf "$TPM_PATH"
	}

	trap "cleanup" EXIT

	[ "${SWTPM_INTERFACE}" == "cuse" ] && source "${TESTDIR}/test_cuse"
	source "${TESTDIR}/common"

	rm -f "$STATE_FILE" "$VOLATILE_STATE_FILE" 2>/dev/null

	TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
	--log "file=$logfile,level=20" \
	--tpm2

	display_processes_by_name "$SWTPM"

	if ! kill_quiet -0 "${SWTPM_PID}"; then
	echo "Error: ${SWTPM_INTERFACE} TPM did not start."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	# Init the TPM
	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
	echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	if ! kill_quiet -0 "${SWTPM_PID}" 2>/dev/null; then
	echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after INIT."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	# Startup the TPM
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00')
	exp=' 80 01 00 00 00 0a 00 00 00 00'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_Startup(ST_Clear)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# Create an NVRAM location: nvdefinespace -hi o -ha 01000000 -pwdn nnn -sz 16 -at da
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x02\x00\x00\x00\x30\x00\x00\x01\x2a\x40\x00\x00\x01\x00\x00\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x03\x6e\x6e\x6e\x00\x0e\x01\x00\x00\x00\x00\x0b\x00\x04\x00\x04\x00\x00\x00\x10')
	exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_NV_DefineSpace()"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	sleep 1

	# TPM2_NV_Write with good password 'nnn' and bad password 'nn'
	NVWRITE_GOOD='\x80\x02\x00\x00\x00\x2a\x00\x00\x01\x37\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0c\x40\x00\x00\x09\x00\x00\x00\x00\x03\x6e\x6e\x6e\x00\x04\x74\x65\x73\x74\x00\x00'
	NVWRITE_BAD='\x80\x02\x00\x00\x00\x29\x00\x00\x01\x37\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x0b\x40\x00\x00\x09\x00\x00\x00\x00\x02\x6e\x6e\x00\x04\x74\x65\x73\x74\x00\x00'

	# Write some data into the NVRAM area: nvwrite -ha 01000000 -ic test -pwdn nnn
	# Due to -at da being used on TPM2_NV_DefineSpace, the first time the command will request a retry
	for ((i = 0; i < 2; i++)); do
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
	exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
	if [ "$i" -eq 1 ] && [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_NV_Write()"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi
	done

	# Set the dictionary attack parameters: dictionaryattackparameters -lr 6 -nrt 6
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x02\x00\x00\x00\x27\x00\x00\x01\x3a\x40\x00\x00\x0a\x00\x00\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x06')
	exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result fron TPM2_DictionaryAttackParameters()"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	timenow=$(date +%s)
	timeout=$((timenow + 6))
	# Send TPM2_NV_Write with wrong password
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_BAD})
	exp=' 80 01 00 00 00 0a 00 00 09 8e'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_NV_Write() with bad password"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi
	timenow=$(date +%s)
	timerecovery=$((timenow + 6))

	# TPM2_NV_Write with good password must now fail until $timeout
	while :; do
	timenow=$(date +%s)
	echo "Writing with good password failed due to lockout until $timeout - now is $timenow."
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
	exp=' 80 01 00 00 00 0a 00 00 09 21'
	# busy systems may run the above at >= $timeout and get an unexpected result; check time again
	timenow=$(date +%s)
	if [ "$RES" != "$exp" ] && [ "$timenow" -lt "$timeout" ]; then
	echo "Error: Did not get expected failure from TPM2_NV_Write() with good password. Lockout should be enabled."
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi
	[ "$timenow" -ge "$timeout" ] && break
	sleep 1
	done

	while :; do
	sleep 1
	timenow=$(date +%s)
	[ "$timenow" -gt "$timerecovery" ] && break
	done
	timenow_after=$(date +%s)
	echo "Time is now ${timenow_after} -- trying with good password should work now."
	# Now writing with the good password must work again
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
	exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_NV_Write() with good password"
	echo "expected: $exp"
	echo "received: $RES"
	# OS X special check
	if [ "$timenow_after" -lt "$timenow" ]; then
	echo "Time went backwards..."
	exit 77
	fi
	exit 1
	fi

	timenow=$(date +%s)
	timeout=$((timenow + 6))
	# Again cause lockout: Send TPM2_NV_Write with wrong password
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_BAD})
	exp=' 80 01 00 00 00 0a 00 00 09 8e'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_NV_Write() with bad password"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi
	timenow=$(date +%s)
	timerecovery=$((timenow + 6))

	# Save the state and restore it and then try to poll again
	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --save permanent "$MY_PERMANENT_STATE_FILE"; then
	echo "Error: Could not write permanent state file $MY_PERMANENT_STATE_FILE."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi
	if [ ! -r "$MY_PERMANENT_STATE_FILE" ]; then
	echo "Error: Permanent state file $MY_PERMANENT_STATE_FILE does not exist."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi
	echo "Saved permanent state."

	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --save volatile "$MY_VOLATILE_STATE_FILE"; then
	echo "Error: Could not write volatile state file $MY_VOLATILE_STATE_FILE."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi
	if [ ! -r "$MY_VOLATILE_STATE_FILE" ]; then
	echo "Error: Volatile state file $MY_VOLATILE_STATE_FILE does not exist."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi
	echo "Saved volatile state."

	# we will use our own volatile state
	rm -f "$VOLATILE_STATE_FILE" "$STATE_FILE"

	# Stop the TPM; this will not shut it down
	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --stop; then
	echo "Error: Could not stop the ${SWTPM_INTERFACE} TPM."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	if ! kill_quiet -0 "${SWTPM_PID}"; then
	echo "Error (2): ${SWTPM_INTERFACE} TPM is not running anymore."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	# load state into the TPM
	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --load permanent "$MY_PERMANENT_STATE_FILE"; then
	echo "Could not load permanent state into vTPM"
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi
	echo "Loaded permanent state."

	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --load volatile "$MY_VOLATILE_STATE_FILE"; then
	echo "Could not load volatile state into vTPM"
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi
	echo "Loaded volatile state."

	#ls -l $(dirname $MY_VOLATILE_STATE_FILE)/*
	#sha1sum $(dirname $MY_VOLATILE_STATE_FILE)/*

	# Init the TPM
	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
	echo "TPM Init failed."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	# Volatile state must have been removed by TPM now
	if [ -r "$VOLATILE_STATE_FILE" ]; then
	echo "Error: Volatile state file $VOLATILE_STATE_FILE still exists."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi


	# TPM2_NV_Write with good password must now fail until $timeout
	while :; do
	timenow=$(date +%s)
	echo "Writing with good password failed due to lockout until $timeout - now is $timenow."
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
	exp=' 80 01 00 00 00 0a 00 00 09 21'
	# busy systems may run the above at >= $timeout and get an unexpected result; check time again
	timenow=$(date +%s)
	if [ "$RES" != "$exp" ] && [ "$timenow" -lt "$timeout" ]; then
	echo "Error: Did not get expected failure from TPM2_NV_Write() with good password. Lockout should be enabled."
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi
	[ "$timenow" -ge "$timeout" ] && break
	sleep 1
	done

	while :; do
	sleep 1
	timenow=$(date +%s)
	[ "$timenow" -gt "$timerecovery" ] && break
	done
	timenow_after=$(date +%s)
	echo "Time is now $timenow_after -- trying with good password should work now."
	# Now writing with the good password must work again
	RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" ${NVWRITE_GOOD})
	exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_NV_Write() with good password"
	echo "expected: $exp"
	echo "received: $RES"
	# OS X special check
	if [ "$timenow_after" -lt "$timenow" ]; then
	echo "Time went backwards..."
	exit 77
	fi
	exit 1
	fi

	# Final shut down
	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; then
	echo "Error: Could not shut down the ${SWTPM_INTERFACE} TPM."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	if wait_process_gone ${SWTPM_PID} 4; then
	echo "Error: ${SWTPM_INTERFACE} TPM should not be running anymore."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	if [ ! -e "$STATE_FILE" ]; then
	echo "Error: TPM state file $STATE_FILE does not exist."
	echo "TPM Logfile:"
	cat "$logfile"
	exit 1
	fi

	echo "OK"

	exit 0