mirror of
https://github.com/stefanberger/swtpm.git
synced 2025-08-22 19:04:35 +00:00
355 lines
9.3 KiB
Bash
Executable File
355 lines
9.3 KiB
Bash
Executable File
#!/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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ROOT=${abs_top_builddir:-$(pwd)/..}
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TESTDIR=${abs_top_testdir:-$(dirname "$0")}
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VTPM_NAME="${VTPM_NAME:-vtpm-test-save-load-state}"
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SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
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export TPM_PATH="$(mktemp -d)" || exit 1
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STATE_FILE=$TPM_PATH/tpm-00.permall
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VOLATILE_STATE_FILE=$TPM_PATH/tpm-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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MY_SAVESTATE_STATE_FILE=$TPM_PATH/my.savestate
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SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock
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SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock
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SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse}
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LINEAR_STATE_FILE=$TPM_PATH/linear-state
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BACKEND_PARAM=""
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if [ ${SWTPM_TEST_LINEAR_FILE:-0} -ne 0 ]; then
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BACKEND_PARAM="--tpmstate backend-uri=file://$LINEAR_STATE_FILE"
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fi
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logfile="$(mktemp)" || exit 1
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function cleanup()
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{
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pid=${SWTPM_PID}
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if [ -n "$pid" ]; then
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kill_quiet -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 ${TESTDIR}/test_cuse
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source ${TESTDIR}/common
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rm -f $STATE_FILE $VOLATILE_STATE_FILE 2>/dev/null
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run_swtpm ${SWTPM_INTERFACE} \
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${BACKEND_PARAM} \
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--log file=$logfile
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display_processes_by_name "$SWTPM"
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kill_quiet -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_quiet -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 ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0C\x00\x00\x00\x99\x00\x01')
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exp=' 00 c4 00 00 00 0a 00 00 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: Did not get expected result from TPM_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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run_swtpm_ioctl ${SWTPM_INTERFACE} -h 1234
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if [ $? -ne 0 ]; then
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echo "Error: Hash command did not work."
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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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# Read PCR 17
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11')
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exp=' 00 c4 00 00 00 1e 00 00 00 00 97 e9 76 e4 f2 2c d6 d2 4a fd 21 20 85 ad 7a 86 64 7f 2a e5'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (1) Did not get expected result from TPM_PCRRead(17)"
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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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# Assert physical presence
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0C\x40\x00\x00\x0A\x00\x20')
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exp=' 00 c4 00 00 00 0a 00 00 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (1) Did not get expected result from TSC_PhysicalPresence(ENABLE)"
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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 a big NVRAM Area with 4000 bytes (0xfa0)
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tmp='\x00\xC1\x00\x00\x00\x65\x00\x00\x00\xcc\x00\x18\x00\x00\x00\x01'
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tmp+='\x00\x03\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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tmp+='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x01'
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tmp+='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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tmp+='\x00\x00\x00\x00\x00\x17\x00\x01\x00\x01\x00\x00\x00\x00\x00\x0f'
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tmp+='\xa0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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tmp+='\x00\x00\x00\x00\x00'
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} $tmp)
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exp=' 00 c4 00 00 00 0a 00 00 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (1) Did not get expected result from TPM_NVDefineSpace()"
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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 SaveState command
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0a\x00\x00\x00\x98')
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exp=' 00 c4 00 00 00 0a 00 00 00 00'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (1) Did not get expected result from TPM_SaveState()"
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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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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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run_swtpm_ioctl ${SWTPM_INTERFACE} --save savestate $MY_SAVESTATE_STATE_FILE
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if [ $? -ne 0 ]; then
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echo "Error: Could not write savestate state file $MY_SAVESTATE_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_SAVESTATE_STATE_FILE ]; then
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echo "Error: Savestate state file $MY_SAVESTATE_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 savestate 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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# 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_quiet -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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run_swtpm_ioctl ${SWTPM_INTERFACE} --load savestate $MY_SAVESTATE_STATE_FILE
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if [ $? -ne 0 ]; then
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echo "Could not load savestate 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 savestate 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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# Read the PCR again ...
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11')
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exp=' 00 c4 00 00 00 1e 00 00 00 00 97 e9 76 e4 f2 2c d6 d2 4a fd 21 20 85 ad 7a 86 64 7f 2a e5'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (2) Did not get expected result from TPM_PCRRead(17)"
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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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# Save the volatile state again
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run_swtpm_ioctl ${SWTPM_INTERFACE} -v
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if [ $? -ne 0 ]; then
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echo "Error: Could not have the ${SWTPM_INTERFACE} TPM store the volatile state to a 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 [ ${SWTPM_TEST_LINEAR_FILE:-0} -eq 0 ] && [ ! -r $VOLATILE_STATE_FILE ]; then
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echo "Error: Volatile state file $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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# Send a new TPM_Init
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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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# 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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# Read the PCR again ...
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swtpm_open_cmddev ${SWTPM_INTERFACE} 100
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RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x00\xC1\x00\x00\x00\x0E\x00\x00\x00\x15\x00\x00\x00\x11')
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exp=' 00 c4 00 00 00 1e 00 00 00 00 97 e9 76 e4 f2 2c d6 d2 4a fd 21 20 85 ad 7a 86 64 7f 2a e5'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (2) Did not get expected result from TPM_PCRRead(17)"
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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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if wait_process_gone ${SWTPM_PID} 4; 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 [ ${SWTPM_TEST_LINEAR_FILE:-0} -ne 0 ]; then
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if [ ! -e $LINEAR_STATE_FILE ]; then
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echo "Error: TPM state file $LINEAR_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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else
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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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fi
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echo "OK"
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exit 0
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