tests/test_ctrlchannel2 - third_party/github.com/stefanberger/swtpm - Git at Google

 #!/usr/bin/env bash

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

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

 SWTPM=swtpm
 SWTPM_EXE=${SWTPM_EXE:-$ROOT/src/swtpm/$SWTPM}
 SWTPM_IOCTL=${SWTPM_IOCTL:-$ROOT/src/swtpm_ioctl/swtpm_ioctl}
 TPMDIR="$(mktemp -d)" || exit 1
 PID_FILE=$TPMDIR/${SWTPM}.pid
 SOCK_PATH=$TPMDIR/sock
 CMD_PATH=$TPMDIR/cmd
 RESP_PATH=$TPMDIR/resp
 VOLATILESTATE=$TPMDIR/volatile

 source ${TESTDIR}/common
 skip_test_no_chardev "${SWTPM_EXE}"
 skip_test_no_tpm12 "${SWTPM_EXE}"

 trap "cleanup" SIGTERM EXIT

 function cleanup()
 {
 	rm -rf $TPMDIR
 	if [ -n "$PID" ]; then
 		kill_quiet -SIGTERM $PID 2>/dev/null
 	fi
 }

 # Test 1: test the control channel on the chardev tpm

 # use a pseudo terminal
 exec 100<>/dev/ptmx
 $SWTPM_EXE chardev \
 	--fd 100 \
 	--tpmstate dir=$TPMDIR \
 	--pid file=$PID_FILE \
 	--ctrl type=unixio,path=$SOCK_PATH \
 	--daemon \
 	${SWTPM_TEST_SECCOMP_OPT}

 if  [ ! -f $PID_FILE ]; then
 	echo "Error: Chardev TPM did not write pidfile."
 	exit 1
 fi

 PID=$(cat "$PID_FILE")

 # Get the capability bits: CMD_GET_CAPABILITY = 0x00 00 00 01
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -c 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_CAPABILITY failed: $act"
 	exit 1
 fi

 exp="ptm capability is 0x([[:xdigit:]]+)"
 if ! [[ "$act" =~ ^${exp}$ ]]; then
 	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
 	exit 1
 fi

 # Send TPM_Init to the TPM: CMD_INIT = 0x00 00 00 02 + flags
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -i 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_INIT failed: $act"
 	exit 1
 fi

 # Save the volatile state: CMD_STORE_VOLATILE = 0x00 00 00 0a
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -v 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_STORE_VOLATILE failed: $act"
 	exit 1
 fi

 if [ ! -r $TPMDIR/tpm-00.volatilestate ]; then
 	echo "Error: Socket TPM: Did not write volatile state file"
 	exit 1
 fi

 # Send stop command to the TPM: CMD_STOP = 00 00 00 0e
 act=$($SWTPM_IOCTL --unix $SOCK_PATH --stop 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_STOP failed: $act"
 	exit 1
 fi

 # Send get config command to the TPM: CMD_GET_CONFIG = 00 00 00 0f
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -g 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_CONFIG failed: $act"
 	exit 1
 fi

 exp="ptm configuration flags: 0x([[:xdigit:]]+)"
 if ! [[ "$act" =~ ^${exp}$ ]]; then
 	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
 	exit 1
 fi

 # Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
 	exit 1
 fi

 if wait_file_gone $PID_FILE 2; then
 	echo "Error: TPM should have removed PID file by now."
 	exit 1
 fi

 if wait_process_gone ${PID} 4; then
 	echo "Error: TPM should not be running anymore."
 	exit 1
 fi

 echo "OK"

 # Test 2: test the control channel on the socket tpm

 # There are a few more tests here that require sending commands to the TPM

 BINDADDR="127.0.0.1"
 case $(uname -s) in
 Linux*)
 	# make sure IPv6 is available
 	ip -6 addr show lo | grep -q " ::1/128" && BINDADDR="::1"
 	;;
 esac

 # use a pseudo terminal
 $SWTPM_EXE socket \
 	--server port=65431,disconnect=true,bindaddr=$BINDADDR \
 	--tpmstate dir=$TPMDIR \
 	--pid file=$PID_FILE \
 	--ctrl type=unixio,path=$SOCK_PATH \
 	${SWTPM_TEST_SECCOMP_OPT} &
 PID=$!

 if wait_for_file $PID_FILE 3; then
 	echo "Error: Socket TPM did not write pidfile."
 	exit 1
 fi

 validate_pidfile $PID $PID_FILE

 # Get the capability bits: CMD_GET_CAPABILITY = 0x00 00 00 01
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -c 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_CAPABILITY failed: $act"
 	exit 1
 fi

 exp="ptm capability is 0x([[:xdigit:]]+)"
 if ! [[ "$act" =~ ^${exp}$ ]]; then
 	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
 	exit 1
 fi

 # Send TPM_Init to the TPM: CMD_INIT = 0x00 00 00 02 + flags
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -i 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_INIT failed: $act"
 	exit 1
 fi

 # Startup the TPM
 msg=$($SWTPM_BIOS --tcp ${BINDADDR}:65431 -o 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: Failed to startup TPM: $msg"
 	exit 1
 fi

 # Save the volatile state: CMD_STORE_VOLATILE = 0x00 00 00 0a
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -v 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_STORE_VOLATILE failed: $act"
 	exit 1
 fi

 if [ ! -r $TPMDIR/tpm-00.volatilestate ]; then
 	echo "Error: Socket TPM: Did not write volatile state file"
 	exit 1
 fi

 # 1. Send command to get TPM established flag: CMD_GET_TPMESTABLISHED = 00 00 00 04
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -e 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_TPMESTABLISHED failed: $act"
 	exit 1
 fi

 exp="tpmEstablished is 0"
 if [ "$act" != "$exp" ]; then
 	echo "Error: Expected '$exp' but got '$act'."
 	exit 1
 fi

 # 2. Hash the given data
 data="a"
 while [ ${#data} -lt $((0x2000)) ]; do
   data="${data}${data}"
 done
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -h $data 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL data hashing failed: $act"
 	exit 1
 fi

 # 3. Send command to get TPM established flag: CMD_GET_TPMESTABLISHED = 00 00 00 04
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -e 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_TPMESTABLISHED failed: $act"
 	exit 1
 fi

 exp="tpmEstablished is 1"
 if [ "$act" != "$exp" ]; then
 	echo "Error: Expected '$exp' but got '$act'."
 	exit 1
 fi

 # 4. Send command to reset TPM established flag: CMD_RESET_TPMESTABLISHED = 00 00 00 0b 03
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -r 3 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_RESET_TPMESTABLISHED failed: $act"
 	exit 1
 fi

 # 5. Send command to get TPM established flag: CMD_GET_TPMESTABLISHED = 00 00 00 04
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -e 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_TPMESTABLISHED failed: $act"
 	exit 1
 fi

 exp="tpmEstablished is 0"
 if [ "$act" != "$exp" ]; then
 	echo "Error: Expected '$exp' but got '$act'."
 	exit 1
 fi

 # Read PCR 17
 exec 100<>/dev/tcp/${BINDADDR}/65431
 echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11' >&100
 RES=$(cat <&100 | od -t x1 -A n | tr -d "\n")
 exp=' 00 c4 00 00 00 1e 00 00 00 00 f9 87 3e 96 6b 9e 46 c8 45 46 2d 1f f2 52 eb cc c1 9b df fd'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: (1) Did not get expected result from TPM_PCRRead(17)"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # Get the volatile state of the TPM: CMD_GET_STATEBLOB = 00 00 00 0c
 act=$($SWTPM_IOCTL --unix $SOCK_PATH --save volatile $VOLATILESTATE 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_STATEBLOB failed: $act"
 	exit 1
 fi

 # Send stop command to the TPM: CMD_STOP = 00 00 00 0e
 act=$($SWTPM_IOCTL --unix $SOCK_PATH --stop 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_STOP failed: $act"
 	exit 1
 fi

 # Read PCR 17 -- should fail now
 exec 100<>/dev/tcp/${BINDADDR}/65431
 echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11' >&100
 RES=$(cat <&100 | od -t x1 -A n | tr -d "\n")
 exp=' 00 c4 00 00 00 0a 00 00 00 09'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: (1) Did not get expected result from TPM_PCRRead(17)"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # Send get config command to the TPM: CMD_GET_CONFIG = 00 00 00 0f
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -g 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_CONFIG failed: $act"
 	exit 1
 fi

 exp="ptm configuration flags: 0x([[:xdigit:]]+)"
 if ! [[ "$act" =~ ^${exp}$ ]]; then
 	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
 	exit 1
 fi

 # Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
 	exit 1
 fi

 if wait_file_gone $PID_FILE 2; then
 	echo "Error: TPM should have removed PID file by now."
 	exit 1
 fi

 if wait_process_gone ${PID} 4; then
 	echo "Error: Socket TPM should not be running anymore."
 	exit 1
 fi

 echo "OK"

 # Test 3: test the control channel on the socket tpm: resume encrypted state

 # copy all the state files
 cp ${TESTDIR}/data/tpmstate2/* ${TPMDIR}

 $SWTPM_EXE socket \
 	--server port=65431,disconnect=true \
 	--tpmstate dir=$TPMDIR \
 	--pid file=$PID_FILE \
 	--ctrl type=unixio,path=$SOCK_PATH \
 	--key pwdfile=${TESTDIR}/data/tpmstate2/pwdfile.txt,kdf=sha512 \
 	--flags not-need-init \
 	${SWTPM_TEST_SECCOMP_OPT} &
 PID=$!

 if wait_for_file $PID_FILE 3; then
 	echo "Error: Socket TPM did not write pidfile."
 	exit 1
 fi

 validate_pidfile $PID $PID_FILE

 # Read PCR 10
 exec 100<>/dev/tcp/localhost/65431
 echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x0a' >&100
 RES=$(cat <&100 | od -t x1 -A n -w128)
 exp=' 00 c4 00 00 00 1e 00 00 00 00 c7 8a 6e 94 c7 3c 4d 7f c3 05 c8 a6 6b bf 15 45 f4 ed b7 a5'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: (1) Did not get expected result from TPM_PCRRead(10)"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # Get the volatile state of the TPM: CMD_GET_STATEBLOB = 00 00 00 0c
 rm -f $VOLATILESTATE
 act=$($SWTPM_IOCTL --unix $SOCK_PATH --save volatile $VOLATILESTATE 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_GET_STATEBLOB failed: $act"
 	exit 1
 fi

 # Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
 	exit 1
 fi

 if wait_file_gone $PID_FILE 2; then
 	echo "Error: TPM should have removed PID file by now."
 	exit 1
 fi

 if wait_process_gone ${PID} 4; then
 	echo "Error: Socket TPM should not be running anymore."
 	exit 1
 fi

 # remove volatile state
 rm -f $TPMDIR/*.volatilestate

 $SWTPM_EXE socket \
 	--server port=65431,disconnect=true \
 	--tpmstate dir=$TPMDIR \
 	--pid file=$PID_FILE \
 	--ctrl type=unixio,path=$SOCK_PATH \
 	--key pwdfile=${TESTDIR}/data/tpmstate2/pwdfile.txt,kdf=sha512 \
 	--flags not-need-init \
 	${SWTPM_TEST_SECCOMP_OPT} &
 PID=$!

 if wait_for_file $PID_FILE 3; then
 	echo "Error: Socket TPM did not write pidfile."
 	exit 1
 fi

 validate_pidfile $PID $PID_FILE

 # Read PCR 10 -- this should fail now
 exec 100<>/dev/tcp/localhost/65431
 echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x0a' >&100
 RES=$(cat <&100 | od -t x1 -A n -w128)
 exp=' 00 c4 00 00 00 0a 00 00 00 26'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: (1) Did not get expected result from TPM_PCRRead(10)"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # Send stop command to the TPM: CMD_STOP = 00 00 00 0e
 act=$($SWTPM_IOCTL --unix $SOCK_PATH --stop 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_STOP failed: $act"
 	exit 1
 fi

 # Send the volatile state to the TPM (while it is stopped)
 $SWTPM_IOCTL --unix $SOCK_PATH --load volatile $VOLATILESTATE
 #act=$($SWTPM_IOCTL --unix $SOCK_PATH --load volatile $VOLATILESTATE 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_SET_STATEBLOB failed: $act"
 	exit 1
 fi

 # Send init command to the TPM: CMD_INIT = 00 00 00 02
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -i 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_INIT failed: $act"
 	exit 1
 fi

 # Read PCR 10 -- has to return same result as before
 exec 100<>/dev/tcp/localhost/65431
 echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x0a' >&100
 RES=$(cat <&100 | od -t x1 -A n -w128)
 exp=' 00 c4 00 00 00 1e 00 00 00 00 c7 8a 6e 94 c7 3c 4d 7f c3 05 c8 a6 6b bf 15 45 f4 ed b7 a5'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: (1) Did not get expected result from TPM_PCRRead(10)"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi


 # Reset PCR 20 while in locality 0 -- should not work
 exec 100<>/dev/tcp/localhost/65431
 echo -en '\x00\xC1\x00\x00\x00\x0F\x00\x00\x00\xC8\x00\x03\x00\x00\x10' >&100
 RES=$(cat <&100 | od -t x1 -A n)
 exp=' 00 c4 00 00 00 0a 00 00 00 33'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Trying to reset PCR 20 in locality 0 returned unexpected result"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # In locality 2 we can reset PCR 20
 # Set the locality on the TPM: CMD_SET_LOCALITY = 00 00 00 05 <locality>
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -l 2 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_SET_LOCALITY failed: $act"
 	exit 1
 fi

 # Reset PCR 20 while in locality 2 -- has to work
 exec 100<>/dev/tcp/localhost/65431
 echo -en '\x00\xC1\x00\x00\x00\x0F\x00\x00\x00\xC8\x00\x03\x00\x00\x10' >&100
 RES=$(cat <&100 | od -t x1 -A n)
 exp=' 00 c4 00 00 00 0a 00 00 00 00'
 if [ "$RES" != "$exp" ]; then
 	echo "Error: Could not reset PCR 20 in locality 2"
 	echo "expected: $exp"
 	echo "received: $RES"
 	exit 1
 fi

 # Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
 act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
 if [ $? -ne 0 ]; then
 	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
 	exit 1
 fi

 if wait_file_gone $PID_FILE 2; then
 	echo "Error: TPM should have removed PID file by now."
 	exit 1
 fi

 if wait_process_gone ${PID} 4; then
 	echo "Error: Socket TPM should not be running anymore."
 	exit 1
 fi

 echo "OK"

 exit 0
	#!/usr/bin/env bash

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

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

	SWTPM=swtpm
	SWTPM_EXE=${SWTPM_EXE:-$ROOT/src/swtpm/$SWTPM}
	SWTPM_IOCTL=${SWTPM_IOCTL:-$ROOT/src/swtpm_ioctl/swtpm_ioctl}
	TPMDIR="$(mktemp -d)" \|\| exit 1
	PID_FILE=$TPMDIR/${SWTPM}.pid
	SOCK_PATH=$TPMDIR/sock
	CMD_PATH=$TPMDIR/cmd
	RESP_PATH=$TPMDIR/resp
	VOLATILESTATE=$TPMDIR/volatile

	source ${TESTDIR}/common
	skip_test_no_chardev "${SWTPM_EXE}"
	skip_test_no_tpm12 "${SWTPM_EXE}"

	trap "cleanup" SIGTERM EXIT

	function cleanup()
	{
	rm -rf $TPMDIR
	if [ -n "$PID" ]; then
	kill_quiet -SIGTERM $PID 2>/dev/null
	fi
	}

	# Test 1: test the control channel on the chardev tpm

	# use a pseudo terminal
	exec 100<>/dev/ptmx
	$SWTPM_EXE chardev \
	--fd 100 \
	--tpmstate dir=$TPMDIR \
	--pid file=$PID_FILE \
	--ctrl type=unixio,path=$SOCK_PATH \
	--daemon \
	${SWTPM_TEST_SECCOMP_OPT}

	if [ ! -f $PID_FILE ]; then
	echo "Error: Chardev TPM did not write pidfile."
	exit 1
	fi

	PID=$(cat "$PID_FILE")

	# Get the capability bits: CMD_GET_CAPABILITY = 0x00 00 00 01
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -c 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_CAPABILITY failed: $act"
	exit 1
	fi

	exp="ptm capability is 0x([[:xdigit:]]+)"
	if ! [[ "$act" =~ ^${exp}$ ]]; then
	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
	exit 1
	fi

	# Send TPM_Init to the TPM: CMD_INIT = 0x00 00 00 02 + flags
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -i 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_INIT failed: $act"
	exit 1
	fi

	# Save the volatile state: CMD_STORE_VOLATILE = 0x00 00 00 0a
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -v 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_STORE_VOLATILE failed: $act"
	exit 1
	fi

	if [ ! -r $TPMDIR/tpm-00.volatilestate ]; then
	echo "Error: Socket TPM: Did not write volatile state file"
	exit 1
	fi

	# Send stop command to the TPM: CMD_STOP = 00 00 00 0e
	act=$($SWTPM_IOCTL --unix $SOCK_PATH --stop 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_STOP failed: $act"
	exit 1
	fi

	# Send get config command to the TPM: CMD_GET_CONFIG = 00 00 00 0f
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -g 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_CONFIG failed: $act"
	exit 1
	fi

	exp="ptm configuration flags: 0x([[:xdigit:]]+)"
	if ! [[ "$act" =~ ^${exp}$ ]]; then
	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
	exit 1
	fi

	# Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
	exit 1
	fi

	if wait_file_gone $PID_FILE 2; then
	echo "Error: TPM should have removed PID file by now."
	exit 1
	fi

	if wait_process_gone ${PID} 4; then
	echo "Error: TPM should not be running anymore."
	exit 1
	fi

	echo "OK"

	# Test 2: test the control channel on the socket tpm

	# There are a few more tests here that require sending commands to the TPM

	BINDADDR="127.0.0.1"
	case $(uname -s) in
	Linux*)
	# make sure IPv6 is available
	ip -6 addr show lo \| grep -q " ::1/128" && BINDADDR="::1"
	;;
	esac

	# use a pseudo terminal
	$SWTPM_EXE socket \
	--server port=65431,disconnect=true,bindaddr=$BINDADDR \
	--tpmstate dir=$TPMDIR \
	--pid file=$PID_FILE \
	--ctrl type=unixio,path=$SOCK_PATH \
	${SWTPM_TEST_SECCOMP_OPT} &
	PID=$!

	if wait_for_file $PID_FILE 3; then
	echo "Error: Socket TPM did not write pidfile."
	exit 1
	fi

	validate_pidfile $PID $PID_FILE

	# Get the capability bits: CMD_GET_CAPABILITY = 0x00 00 00 01
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -c 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_CAPABILITY failed: $act"
	exit 1
	fi

	exp="ptm capability is 0x([[:xdigit:]]+)"
	if ! [[ "$act" =~ ^${exp}$ ]]; then
	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
	exit 1
	fi

	# Send TPM_Init to the TPM: CMD_INIT = 0x00 00 00 02 + flags
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -i 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_INIT failed: $act"
	exit 1
	fi

	# Startup the TPM
	msg=$($SWTPM_BIOS --tcp ${BINDADDR}:65431 -o 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: Failed to startup TPM: $msg"
	exit 1
	fi

	# Save the volatile state: CMD_STORE_VOLATILE = 0x00 00 00 0a
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -v 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_STORE_VOLATILE failed: $act"
	exit 1
	fi

	if [ ! -r $TPMDIR/tpm-00.volatilestate ]; then
	echo "Error: Socket TPM: Did not write volatile state file"
	exit 1
	fi

	# 1. Send command to get TPM established flag: CMD_GET_TPMESTABLISHED = 00 00 00 04
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -e 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_TPMESTABLISHED failed: $act"
	exit 1
	fi

	exp="tpmEstablished is 0"
	if [ "$act" != "$exp" ]; then
	echo "Error: Expected '$exp' but got '$act'."
	exit 1
	fi

	# 2. Hash the given data
	data="a"
	while [ ${#data} -lt $((0x2000)) ]; do
	data="${data}${data}"
	done
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -h $data 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL data hashing failed: $act"
	exit 1
	fi

	# 3. Send command to get TPM established flag: CMD_GET_TPMESTABLISHED = 00 00 00 04
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -e 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_TPMESTABLISHED failed: $act"
	exit 1
	fi

	exp="tpmEstablished is 1"
	if [ "$act" != "$exp" ]; then
	echo "Error: Expected '$exp' but got '$act'."
	exit 1
	fi

	# 4. Send command to reset TPM established flag: CMD_RESET_TPMESTABLISHED = 00 00 00 0b 03
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -r 3 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_RESET_TPMESTABLISHED failed: $act"
	exit 1
	fi

	# 5. Send command to get TPM established flag: CMD_GET_TPMESTABLISHED = 00 00 00 04
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -e 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_TPMESTABLISHED failed: $act"
	exit 1
	fi

	exp="tpmEstablished is 0"
	if [ "$act" != "$exp" ]; then
	echo "Error: Expected '$exp' but got '$act'."
	exit 1
	fi

	# Read PCR 17
	exec 100<>/dev/tcp/${BINDADDR}/65431
	echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11' >&100
	RES=$(cat <&100 \| od -t x1 -A n \| tr -d "\n")
	exp=' 00 c4 00 00 00 1e 00 00 00 00 f9 87 3e 96 6b 9e 46 c8 45 46 2d 1f f2 52 eb cc c1 9b df fd'
	if [ "$RES" != "$exp" ]; then
	echo "Error: (1) Did not get expected result from TPM_PCRRead(17)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# Get the volatile state of the TPM: CMD_GET_STATEBLOB = 00 00 00 0c
	act=$($SWTPM_IOCTL --unix $SOCK_PATH --save volatile $VOLATILESTATE 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_STATEBLOB failed: $act"
	exit 1
	fi

	# Send stop command to the TPM: CMD_STOP = 00 00 00 0e
	act=$($SWTPM_IOCTL --unix $SOCK_PATH --stop 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_STOP failed: $act"
	exit 1
	fi

	# Read PCR 17 -- should fail now
	exec 100<>/dev/tcp/${BINDADDR}/65431
	echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11' >&100
	RES=$(cat <&100 \| od -t x1 -A n \| tr -d "\n")
	exp=' 00 c4 00 00 00 0a 00 00 00 09'
	if [ "$RES" != "$exp" ]; then
	echo "Error: (1) Did not get expected result from TPM_PCRRead(17)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# Send get config command to the TPM: CMD_GET_CONFIG = 00 00 00 0f
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -g 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_CONFIG failed: $act"
	exit 1
	fi

	exp="ptm configuration flags: 0x([[:xdigit:]]+)"
	if ! [[ "$act" =~ ^${exp}$ ]]; then
	echo "Error: Expected string following regular expression '$exp' from ioctl tool but got '$act'."
	exit 1
	fi

	# Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
	exit 1
	fi

	if wait_file_gone $PID_FILE 2; then
	echo "Error: TPM should have removed PID file by now."
	exit 1
	fi

	if wait_process_gone ${PID} 4; then
	echo "Error: Socket TPM should not be running anymore."
	exit 1
	fi

	echo "OK"

	# Test 3: test the control channel on the socket tpm: resume encrypted state

	# copy all the state files
	cp ${TESTDIR}/data/tpmstate2/* ${TPMDIR}

	$SWTPM_EXE socket \
	--server port=65431,disconnect=true \
	--tpmstate dir=$TPMDIR \
	--pid file=$PID_FILE \
	--ctrl type=unixio,path=$SOCK_PATH \
	--key pwdfile=${TESTDIR}/data/tpmstate2/pwdfile.txt,kdf=sha512 \
	--flags not-need-init \
	${SWTPM_TEST_SECCOMP_OPT} &
	PID=$!

	if wait_for_file $PID_FILE 3; then
	echo "Error: Socket TPM did not write pidfile."
	exit 1
	fi

	validate_pidfile $PID $PID_FILE

	# Read PCR 10
	exec 100<>/dev/tcp/localhost/65431
	echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x0a' >&100
	RES=$(cat <&100 \| od -t x1 -A n -w128)
	exp=' 00 c4 00 00 00 1e 00 00 00 00 c7 8a 6e 94 c7 3c 4d 7f c3 05 c8 a6 6b bf 15 45 f4 ed b7 a5'
	if [ "$RES" != "$exp" ]; then
	echo "Error: (1) Did not get expected result from TPM_PCRRead(10)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# Get the volatile state of the TPM: CMD_GET_STATEBLOB = 00 00 00 0c
	rm -f $VOLATILESTATE
	act=$($SWTPM_IOCTL --unix $SOCK_PATH --save volatile $VOLATILESTATE 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_GET_STATEBLOB failed: $act"
	exit 1
	fi

	# Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
	exit 1
	fi

	if wait_file_gone $PID_FILE 2; then
	echo "Error: TPM should have removed PID file by now."
	exit 1
	fi

	if wait_process_gone ${PID} 4; then
	echo "Error: Socket TPM should not be running anymore."
	exit 1
	fi

	# remove volatile state
	rm -f $TPMDIR/*.volatilestate

	$SWTPM_EXE socket \
	--server port=65431,disconnect=true \
	--tpmstate dir=$TPMDIR \
	--pid file=$PID_FILE \
	--ctrl type=unixio,path=$SOCK_PATH \
	--key pwdfile=${TESTDIR}/data/tpmstate2/pwdfile.txt,kdf=sha512 \
	--flags not-need-init \
	${SWTPM_TEST_SECCOMP_OPT} &
	PID=$!

	if wait_for_file $PID_FILE 3; then
	echo "Error: Socket TPM did not write pidfile."
	exit 1
	fi

	validate_pidfile $PID $PID_FILE

	# Read PCR 10 -- this should fail now
	exec 100<>/dev/tcp/localhost/65431
	echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x0a' >&100
	RES=$(cat <&100 \| od -t x1 -A n -w128)
	exp=' 00 c4 00 00 00 0a 00 00 00 26'
	if [ "$RES" != "$exp" ]; then
	echo "Error: (1) Did not get expected result from TPM_PCRRead(10)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# Send stop command to the TPM: CMD_STOP = 00 00 00 0e
	act=$($SWTPM_IOCTL --unix $SOCK_PATH --stop 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_STOP failed: $act"
	exit 1
	fi

	# Send the volatile state to the TPM (while it is stopped)
	$SWTPM_IOCTL --unix $SOCK_PATH --load volatile $VOLATILESTATE
	#act=$($SWTPM_IOCTL --unix $SOCK_PATH --load volatile $VOLATILESTATE 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_SET_STATEBLOB failed: $act"
	exit 1
	fi

	# Send init command to the TPM: CMD_INIT = 00 00 00 02
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -i 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_INIT failed: $act"
	exit 1
	fi

	# Read PCR 10 -- has to return same result as before
	exec 100<>/dev/tcp/localhost/65431
	echo -en '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x0a' >&100
	RES=$(cat <&100 \| od -t x1 -A n -w128)
	exp=' 00 c4 00 00 00 1e 00 00 00 00 c7 8a 6e 94 c7 3c 4d 7f c3 05 c8 a6 6b bf 15 45 f4 ed b7 a5'
	if [ "$RES" != "$exp" ]; then
	echo "Error: (1) Did not get expected result from TPM_PCRRead(10)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi


	# Reset PCR 20 while in locality 0 -- should not work
	exec 100<>/dev/tcp/localhost/65431
	echo -en '\x00\xC1\x00\x00\x00\x0F\x00\x00\x00\xC8\x00\x03\x00\x00\x10' >&100
	RES=$(cat <&100 \| od -t x1 -A n)
	exp=' 00 c4 00 00 00 0a 00 00 00 33'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Trying to reset PCR 20 in locality 0 returned unexpected result"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# In locality 2 we can reset PCR 20
	# Set the locality on the TPM: CMD_SET_LOCALITY = 00 00 00 05 <locality>
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -l 2 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_SET_LOCALITY failed: $act"
	exit 1
	fi

	# Reset PCR 20 while in locality 2 -- has to work
	exec 100<>/dev/tcp/localhost/65431
	echo -en '\x00\xC1\x00\x00\x00\x0F\x00\x00\x00\xC8\x00\x03\x00\x00\x10' >&100
	RES=$(cat <&100 \| od -t x1 -A n)
	exp=' 00 c4 00 00 00 0a 00 00 00 00'
	if [ "$RES" != "$exp" ]; then
	echo "Error: Could not reset PCR 20 in locality 2"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
	fi

	# Send shutdown command to the TPM: CMD_SHUTDOWN = 00 00 00 03
	act=$($SWTPM_IOCTL --unix $SOCK_PATH -s 2>&1)
	if [ $? -ne 0 ]; then
	echo "Error: $SWTPM_IOCTL CMD_SHUTDOWN failed: $act"
	exit 1
	fi

	if wait_file_gone $PID_FILE 2; then
	echo "Error: TPM should have removed PID file by now."
	exit 1
	fi

	if wait_process_gone ${PID} 4; then
	echo "Error: Socket TPM should not be running anymore."
	exit 1
	fi

	echo "OK"

	exit 0