| #!/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 "$0")} |
| |
| VTPM_NAME="vtpm-test-volatilestate" |
| SWTPM_DEV_NAME="/dev/${VTPM_NAME}" |
| export TPM_PATH=$(mktemp -d) |
| STATE_FILE=$TPM_PATH/tpm-00.permall |
| VOLATILE_STATE_FILE=$TPM_PATH/tpm-00.volatilestate |
| SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock |
| SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock |
| SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse} |
| |
| function cleanup() |
| { |
| pid=${SWTPM_PID} |
| if [ -n "$pid" ]; then |
| kill_quiet -9 $pid |
| fi |
| 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 ${SWTPM_INTERFACE} |
| |
| display_processes_by_name "$SWTPM" |
| |
| kill_quiet -0 ${SWTPM_PID} |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM did not start." |
| 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." |
| 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." |
| exit 1 |
| fi |
| |
| # Startup the TPM |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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: Hash command did not work." |
| exit 1 |
| fi |
| |
| # Read PCR 17 |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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: $RES" |
| exit 1 |
| fi |
| |
| # Check the TPM Established bit after the hashing |
| RES=$(run_swtpm_ioctl ${SWTPM_INTERFACE} -e) |
| exp='tpmEstablished is 1' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error (2): TPM Established flag has wrong value." |
| echo "expected: $exp" |
| echo "received: $RES" |
| exit 1 |
| fi |
| |
| # Save the volatile state |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -v |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not have the ${SWTPM_INTERFACE} TPM store the volatile state to a file." |
| exit 1 |
| fi |
| |
| if [ ! -r $VOLATILE_STATE_FILE ]; then |
| echo "Error: Volatile state file $VOLATILE_STATE_FILE does not exist." |
| exit 1 |
| fi |
| |
| # Shut the TPM down |
| exec 100>&- |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -s |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not shut down the ${SWTPM_INTERFACE} TPM." |
| exit 1 |
| fi |
| |
| # Start the TPM again |
| run_swtpm ${SWTPM_INTERFACE} |
| |
| display_processes_by_name "$SWTPM" |
| |
| kill_quiet -0 ${SWTPM_PID} |
| if [ $? -ne 0 ]; then |
| echo "Error: ${SWTPM_INTERFACE} TPM did not start." |
| 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." |
| 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." |
| exit 1 |
| fi |
| |
| # Read the PCR again ... |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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: $RES" |
| exit 1 |
| fi |
| |
| # Check that the TPM Established bit is still set |
| RES=$(run_swtpm_ioctl ${SWTPM_INTERFACE} -e) |
| exp='tpmEstablished is 1' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error (2): TPM Established flag has wrong value." |
| 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 store the volatile state to a file." |
| exit 1 |
| fi |
| |
| if [ ! -r $VOLATILE_STATE_FILE ]; then |
| echo "Error: Volatile state file $VOLATILE_STATE_FILE does not exist." |
| exit 1 |
| fi |
| |
| # Send a new TPM_Init |
| run_swtpm_ioctl ${SWTPM_INTERFACE} -i |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM." |
| 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." |
| exit 1 |
| fi |
| |
| # Read the PCR again ... |
| swtpm_open_cmddev ${SWTPM_INTERFACE} 100 |
| RES=$(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: $RES" |
| exit 1 |
| fi |
| |
| # Check that the TPM Established bit is still set |
| RES=$(run_swtpm_ioctl ${SWTPM_INTERFACE} -e) |
| if [ $? -ne 0 ]; then |
| echo "Error: Could not get the TPM Established flag from the ${SWTPM_INTERFACE} TPM." |
| exit 1 |
| fi |
| exp='tpmEstablished is 1' |
| if [ "$RES" != "$exp" ]; then |
| echo "Error (2): TPM Established flag has wrong value." |
| echo "expected: $exp" |
| echo "received: $RES" |
| 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." |
| exit 1 |
| fi |
| |
| if wait_process_gone ${SWTPM_PID} 4; then |
| echo "Error: ${SWTPM_INTERFACE} TPM should not be running anymore." |
| exit 1 |
| fi |
| |
| if [ ! -e $STATE_FILE ]; then |
| echo "Error: TPM state file $STATE_FILE does not exist." |
| exit 1 |
| fi |
| |
| echo "OK" |
| |
| exit 0 |