| #!/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-test-save-load-encrypted-state}" |
| SWTPM_DEV_NAME="/dev/${VTPM_NAME}" |
| export TPM_PATH="$(mktemp -d)" || exit 1 |
| STATE_FILE=$TPM_PATH/tpm-00.permall |
| VOLATILE_STATE_FILE=$TPM_PATH/tpm-00.volatilestate |
| KEY=1234567890abcdef1234567890abcdef |
| MY_VOLATILE_STATE_FILE=$TPM_PATH/my.volatilestate |
| MY_PERMANENT_STATE_FILE=$TPM_PATH/my.permanent |
| SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock |
| SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock |
| SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse} |
| |
| keyfile="$(mktemp)" || exit 1 |
| logfile="$(mktemp)" || exit 1 |
| echo "$KEY" > $keyfile |
| |
| function cleanup() |
| { |
| pid=${SWTPM_PID} |
| if [ -n "$pid" ]; then |
| kill_quiet -9 $pid |
| fi |
| rm -f $keyfile $logfile |
| rm -rf $TPM_PATH |
| } |
| |
| trap "cleanup" EXIT |
| |
| [ "${SWTPM_INTERFACE}" == cuse ] && source ${TESTDIR}/test_cuse |
| source ${TESTDIR}/common |
| |
| rm -f $STATE_FILE $VOLATILE_STATE_FILE 2>/dev/null |
| |
| exec 101<$keyfile |
| run_swtpm ${SWTPM_INTERFACE} \ |
| --key fd=101,mode=aes-cbc,format=hex \ |
| --log file=$logfile |
| exec 101>&- |
| |
| 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: ${SWTPM_INTERFACE} TPM initialization failed." |
| 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 $logfile |
| exit 1 |
| fi |
| |
| # Startup the TPM |
| RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0C\x00\x00\x00\x99\x00\x01') |
| exp=' 00 c4 00 00 00 0a 00 00 00 00' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error: Did not get expected result from TPM_Startup(ST_Clear)" |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -h 1234 |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not hash the data." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| # Read PCR 17 |
| RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11') |
| exp=' 00 c4 00 00 00 1e 00 00 00 00 97 e9 76 e4 f2 2c d6 d2 4a fd 21 20 85 ad 7a 86 64 7f 2a e5' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error: (1) Did not get expected result from TPM_PCRRead(17)" |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| # Assert physical presence |
| RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0C\x40\x00\x00\x0A\x00\x20') |
| exp=' 00 c4 00 00 00 0a 00 00 00 00' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error: (1) Did not get expected result from TSC_PhysicalPresence(ENABLE)" |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| # Create a big NVRAM Area with 4000 bytes (0xfa0) |
| tmp='\x00\xC1\x00\x00\x00\x65\x00\x00\x00\xcc\x00\x18\x00\x00\x00\x01' |
| tmp+='\x00\x03\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
| tmp+='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x01' |
| tmp+='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
| tmp+='\x00\x00\x00\x00\x00\x17\x00\x01\x00\x01\x00\x00\x00\x00\x00\x0f' |
| tmp+='\xa0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
| tmp+='\x00\x00\x00\x00\x00' |
| RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} $tmp) |
| exp=' 00 c4 00 00 00 0a 00 00 00 00' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error: (1) Did not get expected result from TPM_NVDefineSpace()" |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| 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_PERMANENT_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." |
| |
| #ls -l $(dirname $MY_VOLATILE_STATE_FILE)/* |
| #sha1sum $(dirname $MY_VOLATILE_STATE_FILE)/* |
| |
| # we will use our own volatile state |
| rm -f $VOLATILE_STATE_FILE $STATE_FILE |
| |
| # Stop the TPM; this will not shut it down |
| run_swtpm_ioctl ${SWTPM_INTERFACE} --stop |
| if [ $? -ne 0 ]; then |
| echo "Error (2): 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 $logfile |
| exit 1 |
| fi |
| |
| # Read the PCR again ... |
| RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11') |
| exp=' 00 c4 00 00 00 1e 00 00 00 00 97 e9 76 e4 f2 2c d6 d2 4a fd 21 20 85 ad 7a 86 64 7f 2a e5' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error: (2) Did not get expected result from TPM_PCRRead(17)" |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| # Save the volatile state again |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -v |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not have the ${SWTPM_INTERFACE} TPM write the volatile state to a file." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| if [ ! -r $VOLATILE_STATE_FILE ]; then |
| echo "Error: Volatile state file $VOLATILE_STATE_FILE does not exist." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| # Send a new TPM_Init |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -i |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM initialization 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 $logfile |
| exit 1 |
| fi |
| |
| # Read the PCR again ... |
| RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11') |
| exp=' 00 c4 00 00 00 1e 00 00 00 00 97 e9 76 e4 f2 2c d6 d2 4a fd 21 20 85 ad 7a 86 64 7f 2a e5' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error: (2) Did not get expected result from TPM_PCRRead(17)" |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| 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 $logfile |
| exit 1 |
| fi |
| |
| echo "Test 1: Ok" |
| |
| # This time start we start the TPM with a wrong state encryption key |
| # (key used as password) and try to start it. It has to fail and |
| # the state must not have been modified. |
| |
| # volatile state file does not exist |
| sha1_volatile=$(get_sha1_file "${VOLATILE_STATE_FILE}") |
| sha1_permanent=$(get_sha1_file "${STATE_FILE}") |
| echo "sha1(volatile) : $sha1_volatile" |
| echo "sha1(permanent): $sha1_permanent" |
| |
| exec 101<$keyfile |
| run_swtpm ${SWTPM_INTERFACE} \ |
| --key pwdfd=101 \ |
| --log file=$logfile |
| exec 101>&- |
| |
| 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 $logfile |
| exit 1 |
| fi |
| |
| # Init the TPM |
| ERR="$(run_swtpm_ioctl ${SWTPM_INTERFACE} -i 2>&1)" |
| if [ $? -eq 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM initialization should have failed." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| exp="TPM result from PTM_INIT: 0x21" |
| if [ "$ERR" != "$exp" ]; then |
| echo "Error: Unexpected error message" |
| echo "Received: $ERR" |
| echo "Expected: $exp" |
| exit 1 |
| fi |
| |
| kill_quiet -0 ${SWTPM_PID} 2>/dev/null |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after failed INIT." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| if [ "${sha1_volatile}" != "$(get_sha1_file "${VOLATILE_STATE_FILE}")" ]; then |
| echo "Error: Volatile state file was modified during failed init." |
| exit 1 |
| fi |
| |
| if [ "${sha1_permanent}" != "$(get_sha1_file "${STATE_FILE}")" ]; then |
| echo "Error: Permanent state file was modified during failed init." |
| exit 1 |
| fi |
| |
| # shut it down |
| 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 $logfile |
| exit 1 |
| fi |
| |
| echo "Test 2: Ok" |
| |
| # This time start we start the TPM with a different cipher and try to |
| # start it. It has to fail and the state must not have been modified. |
| |
| # volatile state file does not exist |
| sha1_volatile=$(get_sha1_file "${VOLATILE_STATE_FILE}") |
| sha1_permanent=$(get_sha1_file "${STATE_FILE}") |
| echo "sha1(volatile) : $sha1_volatile" |
| echo "sha1(permanent): $sha1_permanent" |
| |
| # we need a 256bit key |
| echo "${KEY}${KEY}" > $keyfile |
| |
| run_swtpm ${SWTPM_INTERFACE} \ |
| --key pwdfile=$keyfile,mode=aes-256-cbc \ |
| --log file=$logfile |
| |
| display_processes_by_name "$SWTPM" |
| |
| kill_quiet -0 ${SWTPM_PID} |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM did not start." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| # Init the TPM |
| ERR="$(run_swtpm_ioctl ${SWTPM_INTERFACE} -i 2>&1)" |
| if [ $? -eq 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM initialization should have failed." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| exp="TPM result from PTM_INIT: 0x28" |
| if [ "$ERR" != "$exp" ]; then |
| echo "Error: Unexpected error message" |
| echo "Received: $ERR" |
| echo "Expected: $exp" |
| exit 1 |
| fi |
| |
| kill_quiet -0 ${SWTPM_PID} 2>/dev/null |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after failed INIT." |
| echo "TPM Logfile:" |
| cat $logfile |
| exit 1 |
| fi |
| |
| if [ "${sha1_volatile}" != "$(get_sha1_file "${VOLATILE_STATE_FILE}")" ]; then |
| echo "Error: Volatile state file was modified during failed init." |
| exit 1 |
| fi |
| |
| if [ "${sha1_permanent}" != "$(get_sha1_file "${STATE_FILE}")" ]; then |
| echo "Error: Permanent state file was modified during failed init." |
| exit 1 |
| fi |
| |
| echo "Test 3: Ok" |
| |
| # Final shut down |
| 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 |