| #!/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/${VTPM_NAME}" |
| export TPM_PATH="$(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 |
| |
| run_swtpm ${SWTPM_INTERFACE} \ |
| --log file=$logfile,level=20 \ |
| --tpm2 |
| |
| display_processes_by_name "$SWTPM" |
| |
| kill_quiet -0 ${SWTPM_PID} |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM did not start." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| # Init the TPM |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -i |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| kill_quiet -0 ${SWTPM_PID} 2>/dev/null |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after INIT." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| # Startup the TPM |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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." |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| run_swtpm_ioctl ${SWTPM_INTERFACE} --save permanent $MY_PERMANENT_STATE_FILE |
| if [ $? -ne 0 ]; 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." |
| |
| run_swtpm_ioctl ${SWTPM_INTERFACE} --save volatile $MY_VOLATILE_STATE_FILE |
| if [ $? -ne 0 ]; 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 |
| exec 100>&- |
| run_swtpm_ioctl ${SWTPM_INTERFACE} --stop |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not stop the ${SWTPM_INTERFACE} TPM." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| kill_quiet -0 ${SWTPM_PID} |
| if [ $? -ne 0 ]; then |
| echo "Error (2): ${SWTPM_INTERFACE} TPM is not running anymore." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| # load state into the TPM |
| run_swtpm_ioctl ${SWTPM_INTERFACE} --load permanent $MY_PERMANENT_STATE_FILE |
| if [ $? -ne 0 ]; then |
| echo "Could not load permanent state into vTPM" |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| echo "Loaded permanent state." |
| |
| run_swtpm_ioctl ${SWTPM_INTERFACE} --load volatile $MY_VOLATILE_STATE_FILE |
| if [ $? -ne 0 ]; 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 |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -i |
| if [ $? -ne 0 ]; 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." |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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 |
| exec 100>&- |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -s |
| if [ $? -ne 0 ]; 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 |