mirror of
https://github.com/stefanberger/swtpm.git
synced 2026-01-05 00:39:36 +00:00
tests: Add TPM 2 test for testing the DA timeouts with state suspend/resume
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Stefan Berger
parent
7f086ef946
commit
be4bc80df0
@ -48,6 +48,7 @@ TESTS += \
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test_tpm2_savestate \
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test_tpm2_save_load_encrypted_state \
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test_tpm2_save_load_state_3 \
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test_tpm2_save_load_state_da_timeout \
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test_tpm2_setbuffersize \
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test_tpm2_volatilestate \
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test_tpm2_wrongorder \
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327
tests/_test_tpm2_save_load_state_da_timeout
Executable file
327
tests/_test_tpm2_save_load_state_da_timeout
Executable file
@ -0,0 +1,327 @@
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#!/bin/bash
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# For the license, see the LICENSE file in the root directory.
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#set -x
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DIR=$(dirname "$0")
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ROOT=${DIR}/..
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VTPM_NAME="${VTPM_NAME:-vtpm-tpm2-test-save-load-state-da-timeout}"
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SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
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export TPM_PATH=$(mktemp -d)
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STATE_FILE=$TPM_PATH/tpm2-00.permall
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VOLATILE_STATE_FILE=$TPM_PATH/tpm2-00.volatilestate
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MY_VOLATILE_STATE_FILE=$TPM_PATH/my.volatilestate
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MY_PERMANENT_STATE_FILE=$TPM_PATH/my.permanent
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SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse}
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SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock
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SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock
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logfile=$(mktemp)
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function cleanup()
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{
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pid=${SWTPM_PID}
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if [ -n "$pid" ]; then
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kill -9 $pid
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fi
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rm -f $logfile
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rm -rf $TPM_PATH
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}
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trap "cleanup" EXIT
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[ "${SWTPM_INTERFACE}" == "cuse" ] && source ${DIR}/test_cuse
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source ${DIR}/common
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rm -f $STATE_FILE $VOLATILE_STATE_FILE 2>/dev/null
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run_swtpm ${SWTPM_INTERFACE} \
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--log file=$logfile,level=20 \
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--tpm2
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ps aux | grep $SWTPM | grep -v grep
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kill -0 ${SWTPM_PID}
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if [ $? -ne 0 ]; then
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echo "Error: ${SWTPM_INTERFACE} TPM did not start."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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# Init the TPM
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run_swtpm_ioctl ${SWTPM_INTERFACE} -i
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if [ $? -ne 0 ]; then
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echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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kill -0 ${SWTPM_PID} 2>/dev/null
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if [ $? -ne 0 ]; then
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echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after INIT."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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# Startup the TPM
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00')
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exp=' 80 01 00 00 00 0a 00 00 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_Startup(ST_Clear)"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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# Create an NVRAM location: nvdefinespace -hi o -ha 01000000 -pwdn nnn -sz 16 -at da
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x80\x02\x00\x00\x00\x30\x00\x00\x01\x2a\x40\x00\x00\x01\x00\x00\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x03\x6e\x6e\x6e\x00\x0e\x01\x00\x00\x00\x00\x0b\x00\x04\x00\x04\x00\x00\x00\x10')
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exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_NV_DefineSpace()"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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sleep 1
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# TPM2_NV_Write with good password 'nnn' and bad password 'nn'
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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'
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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'
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# Write some data into the NVRAM area: nvwrite -ha 01000000 -ic test -pwdn nnn
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# Due to -at da being used on TPM2_NV_DefineSpace, the first time the command will request a retry
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for ((i = 0; i < 2; i++)); do
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_GOOD})
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exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
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if [ $i -eq 1 ] && [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_NV_Write()"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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done
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# Set the dictionary attack parameters: dictionaryattackparameters -lr 6 -nrt 6
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x80\x02\x00\x00\x00\x27\x00\x00\x01\x3a\x40\x00\x00\x0a\x00\x00\x00\x09\x40\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x06')
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exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result fron TPM2_DictionaryAttackParameters()"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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# Send TPM2_NV_Write with wrong password
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_BAD})
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exp=' 80 01 00 00 00 0a 00 00 09 8e'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_NV_Write() with bad password"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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timeout=$(date +%s)
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timeout=$((timeout + 6))
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# TPM2_NV_Write with good password must now fail until $timeout
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while [ $(date +%s) -lt $timeout ]; do
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_GOOD})
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exp=' 80 01 00 00 00 0a 00 00 09 21'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected failure from TPM2_NV_Write() with good password. Lockout should be enabled."
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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echo "Writing with good password failed due to lockout until $timeout - now is $(date +%s)."
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sleep 1
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done
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sleep 1
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echo "Time is now $(date +%s) -- trying with good password should work now."
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# Now writing with the good password must work again
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_GOOD})
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exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_NV_Write() with good password"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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# Againg cause lockout: Send TPM2_NV_Write with wrong password
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_BAD})
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exp=' 80 01 00 00 00 0a 00 00 09 8e'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_NV_Write() with bad password"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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timeout=$(date +%s)
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timeout=$((timeout + 6))
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# Save the state and restore it and then try to poll again
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run_swtpm_ioctl ${SWTPM_INTERFACE} --save permanent $MY_PERMANENT_STATE_FILE
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if [ $? -ne 0 ]; then
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echo "Error: Could not write permanent state file $MY_PERMANENT_STATE_FILE."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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if [ ! -r $MY_PERMANENT_STATE_FILE ]; then
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echo "Error: Permanent state file $MY_PERMANENT_STATE_FILE does not exist."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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echo "Saved permanent state."
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run_swtpm_ioctl ${SWTPM_INTERFACE} --save volatile $MY_VOLATILE_STATE_FILE
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if [ $? -ne 0 ]; then
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echo "Error: Could not write volatile state file $MY_VOLATILE_STATE_FILE."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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if [ ! -r $MY_VOLATILE_STATE_FILE ]; then
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echo "Error: Volatile state file $MY_VOLATILE_STATE_FILE does not exist."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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echo "Saved volatile state."
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# we will use our own volatile state
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rm -f $VOLATILE_STATE_FILE $STATE_FILE
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# Stop the TPM; this will not shut it down
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exec 100>&-
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run_swtpm_ioctl ${SWTPM_INTERFACE} --stop
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if [ $? -ne 0 ]; then
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echo "Error: Could not stop the ${SWTPM_INTERFACE} TPM."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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kill -0 ${SWTPM_PID}
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if [ $? -ne 0 ]; then
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echo "Error (2): ${SWTPM_INTERFACE} TPM is not running anymore."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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# load state into the TPM
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run_swtpm_ioctl ${SWTPM_INTERFACE} --load permanent $MY_PERMANENT_STATE_FILE
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if [ $? -ne 0 ]; then
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echo "Could not load permanent state into vTPM"
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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echo "Loaded permanent state."
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run_swtpm_ioctl ${SWTPM_INTERFACE} --load volatile $MY_VOLATILE_STATE_FILE
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if [ $? -ne 0 ]; then
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echo "Could not load volatile state into vTPM"
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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echo "Loaded volatile state."
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#ls -l $(dirname $MY_VOLATILE_STATE_FILE)/*
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#sha1sum $(dirname $MY_VOLATILE_STATE_FILE)/*
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# Init the TPM
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run_swtpm_ioctl ${SWTPM_INTERFACE} -i
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if [ $? -ne 0 ]; then
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echo "TPM Init failed."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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# Volatile state must have been removed by TPM now
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if [ -r $VOLATILE_STATE_FILE ]; then
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echo "Error: Volatile state file $VOLATILE_STATE_FILE still exists."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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# TPM2_NV_Write with good password must now fail until $timeout
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while [ $(date +%s) -lt $timeout ]; do
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_GOOD})
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exp=' 80 01 00 00 00 0a 00 00 09 21'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected failure from TPM2_NV_Write() with good password. Lockout should be enabled."
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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echo "Writing with good password failed due to lockout until $timeout - now is $(date +%s)."
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sleep 1
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done
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sleep 1
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echo "Time is now $(date +%s) -- trying with good password should work now."
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# Now writing with the good password must work again
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} ${NVWRITE_GOOD})
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exp=' 80 02 00 00 00 13 00 00 00 00 00 00 00 00 00 00 01 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM2_NV_Write() with good password"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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# Final shut down
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exec 100>&-
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run_swtpm_ioctl ${SWTPM_INTERFACE} -s
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if [ $? -ne 0 ]; then
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echo "Error: Could not shut down the ${SWTPM_INTERFACE} TPM."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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sleep 0.5
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kill -0 ${SWTPM_PID} 2>/dev/null
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if [ $? -eq 0 ]; then
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echo "Error: ${SWTPM_INTERFACE} TPM should not be running anymore."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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if [ ! -e $STATE_FILE ]; then
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echo "Error: TPM state file $STATE_FILE does not exist."
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echo "TPM Logfile:"
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cat $logfile
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exit 1
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fi
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echo "OK"
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exit 0
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37
tests/test_tpm2_save_load_state_da_timeout
Executable file
37
tests/test_tpm2_save_load_state_da_timeout
Executable file
@ -0,0 +1,37 @@
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#!/bin/bash
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cd "$(dirname "$0")"
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export SWTPM_IOCTL_BUFFERSIZE=100
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export SWTPM_INTERFACE=cuse
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bash _test_tpm2_save_load_state_da_timeout
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ret=$?
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[ $ret -ne 0 ] && [ $ret -ne 77 ] && exit $ret
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export SWTPM_IOCTL_BUFFERSIZE=4096
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export SWTPM_INTERFACE=cuse
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bash _test_tpm2_save_load_state_da_timeout
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ret=$?
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[ $ret -ne 0 ] && [ $ret -ne 77 ] && exit $ret
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export SWTPM_INTERFACE=socket+socket
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export SWTPM_SERVER_NAME=localhost
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export SWTPM_SERVER_PORT=65438
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export SWTPM_CTRL_PORT=65439
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bash _test_tpm2_save_load_state_da_timeout
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ret=$?
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[ $ret -ne 0 ] && [ $ret -ne 77 ] && exit $ret
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export SWTPM_INTERFACE=socket+unix
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export SWTPM_SERVER_NAME=localhost
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export SWTPM_SERVER_PORT=65438
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bash _test_tpm2_save_load_state_da_timeout
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ret=$?
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[ $ret -ne 0 ] && [ $ret -ne 77 ] && exit $ret
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export SWTPM_INTERFACE=unix+unix
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bash _test_tpm2_save_load_state_da_timeout
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ret=$?
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[ $ret -ne 0 ] && [ $ret -ne 77 ] && exit $ret
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exit 0
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