mirror of
https://github.com/stefanberger/swtpm.git
synced 2025-08-22 19:04:35 +00:00
1fa820468f
Shellcheck v0.9 detected more SC2086 issues. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
397 lines
10 KiB
Bash
Executable File
397 lines
10 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-tpm2-save-load-encrypted-state}"
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SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
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TPM_PATH="$(mktemp -d)" || exit 1
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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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KEY=1234567890abcdef1234567890abcdef
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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=${TPM_PATH}/unix-ctrl.sock
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keyfile="$(mktemp)" || exit 1
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logfile="$(mktemp)" || exit 1
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echo "$KEY" > "$keyfile"
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function cleanup()
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{
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pid=${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 "$keyfile" "$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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TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
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--key "file=$keyfile,mode=aes-cbc,format=hex" \
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--log "file=$logfile" \
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--tpm2
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display_processes_by_name "$SWTPM"
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if ! kill_quiet -0 "${SWTPM_PID}"; 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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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
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echo "Error: ${SWTPM_INTERFACE} TPM initialization failed."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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if ! kill_quiet -0 "${SWTPM_PID}" 2>/dev/null; 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 (SU_CLEAR)
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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(SU_Clear)"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -h 1234; then
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echo "Error: Could not hash the data."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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# Read PCR 17
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RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x01\x00\x00\x00\x14\x00\x00\x01\x7e\x00\x00\x00\x01\x00\x0b\x03\x00\x00\x02')
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exp=' 80 01 00 00 00 3e 00 00 00 00 00 00 00 18 00 00 00 01 00 0b 03 00 00 02 00 00 00 01 00 20 fc a5 d6 49 bf b0 c9 22 fd 33 0f 79 b2 00 43 28 9d af d6 0d 01 a4 c4 37 3c f2 8a db 56 c9 b4 54'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (1) Did not get expected result from TPM2_PCRRead(17)"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --save permanent "$MY_PERMANENT_STATE_FILE"; 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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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --save volatile "$MY_VOLATILE_STATE_FILE"; then
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echo "Error: Could not write volatile 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_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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#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" "$STATE_FILE"
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# Stop the TPM; this will not shut it down
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run_swtpm_ioctl "${SWTPM_INTERFACE}" --stop
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if ! kill_quiet -0 "${SWTPM_PID}"; 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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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --load permanent "$MY_PERMANENT_STATE_FILE"; 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 "$logfile"
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exit 1
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fi
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echo "Loaded permanent state."
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" --load volatile "$MY_VOLATILE_STATE_FILE"; then
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echo "Could not load volatile state into vTPM"
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echo "TPM Logfile:"
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cat "$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 $MY_VOLATILE_STATE_FILE)/*
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# Init the TPM
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; 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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RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x01\x00\x00\x00\x14\x00\x00\x01\x7e\x00\x00\x00\x01\x00\x0b\x03\x00\x00\x02')
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exp=' 80 01 00 00 00 3e 00 00 00 00 00 00 00 18 00 00 00 01 00 0b 03 00 00 02 00 00 00 01 00 20 fc a5 d6 49 bf b0 c9 22 fd 33 0f 79 b2 00 43 28 9d af d6 0d 01 a4 c4 37 3c f2 8a db 56 c9 b4 54'
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if [ "$RES" != "$exp" ]; then
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echo "Error: (2) Did not get expected result from TPM2_PCRRead(17)"
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echo "expected: $exp"
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echo "received: $RES"
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exit 1
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fi
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# Save the volatile state again
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -v; then
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echo "Error: Could not have the ${SWTPM_INTERFACE} TPM write the volatile state to a file."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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if [ ! -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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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
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echo "Error: ${SWTPM_INTERFACE} TPM initialization failed."
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echo "TPM Logfile:"
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cat "$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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RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x01\x00\x00\x00\x14\x00\x00\x01\x7e\x00\x00\x00\x01\x00\x0b\x03\x00\x00\x02')
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exp=' 80 01 00 00 00 3e 00 00 00 00 00 00 00 18 00 00 00 01 00 0b 03 00 00 02 00 00 00 01 00 20 fc a5 d6 49 bf b0 c9 22 fd 33 0f 79 b2 00 43 28 9d af d6 0d 01 a4 c4 37 3c f2 8a db 56 c9 b4 54'
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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: $RES"
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exit 1
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fi
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; 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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echo "Test 1: Ok"
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# This time start we start the TPM with a wrong state encryption key
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# (key used as password) and try to start it. It has to fail and
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# the state must not have been modified.
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# volatile state file does not exist
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sha1_volatile=$(get_sha1_file "${VOLATILE_STATE_FILE}")
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sha1_permanent=$(get_sha1_file "${STATE_FILE}")
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echo "sha1(volatile) : $sha1_volatile"
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echo "sha1(permanent): $sha1_permanent"
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TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
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--key "pwdfile=$keyfile" \
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--log "file=$logfile" \
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--tpm2
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display_processes_by_name "$SWTPM"
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if ! kill_quiet -0 "${SWTPM_PID}"; 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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if ERR="$(run_swtpm_ioctl "${SWTPM_INTERFACE}" -i 2>&1)"; then
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echo "Error: ${SWTPM_INTERFACE} TPM initialization should have failed."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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exp="TPM result from PTM_INIT: 0x101"
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if [ "$ERR" != "$exp" ]; then
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echo "Error: Unexpected error message"
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echo "Received: $ERR"
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echo "Expected: $exp"
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exit 1
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fi
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if ! kill_quiet -0 "${SWTPM_PID}" 2>/dev/null; then
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echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after failed INIT."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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if [ "${sha1_volatile}" != "$(get_sha1_file "${VOLATILE_STATE_FILE}")" ]; then
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echo "Error: Volatile state file was modified during failed init."
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exit 1
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fi
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if [ "${sha1_permanent}" != "$(get_sha1_file "${STATE_FILE}")" ]; then
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echo "Error: Permanent state file was modified during failed init."
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exit 1
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fi
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; 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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# shut it down
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echo "Test 2: Ok"
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# This time start we start the TPM with a wrong state encryption key
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# (key used as password) and try to start it. It has to fail and
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# the state must not have been modified.
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# volatile state file does not exist
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sha1_volatile=$(get_sha1_file "${VOLATILE_STATE_FILE}")
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sha1_permanent=$(get_sha1_file "${STATE_FILE}")
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echo "sha1(volatile) : $sha1_volatile"
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echo "sha1(permanent): $sha1_permanent"
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# we need a 256bit key
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echo "${KEY}${KEY}" > "$keyfile"
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TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
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--key "pwdfile=$keyfile,mode=aes-256-cbc" \
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--log "file=$logfile" \
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--tpm2
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display_processes_by_name "$SWTPM"
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if ! kill_quiet -0 "${SWTPM_PID}"; 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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if run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
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echo "Error: ${SWTPM_INTERFACE} TPM initialization should have failed."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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if ! wait_process_gone "${SWTPM_PID}" 4; then
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echo "Error: ${SWTPM_INTERFACE} TPM not running anymore after failed INIT."
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echo "TPM Logfile:"
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cat "$logfile"
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exit 1
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fi
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if [ "${sha1_volatile}" != "$(get_sha1_file "${VOLATILE_STATE_FILE}")" ]; then
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echo "Error: Volatile state file was modified during failed init."
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exit 1
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fi
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if [ "${sha1_permanent}" != "$(get_sha1_file "${STATE_FILE}")" ]; then
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echo "Error: Permanent state file was modified during failed init."
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exit 1
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fi
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echo "Test 3: Ok"
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# Final shut down
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if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; 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 [ ! -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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