swtpm/tests/_test_tpm2_pcap

#!/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="${VTPM_NAME:-vtpm-tpm2-pcap}"
SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
TPM_PATH="$(mktemp -d)" || exit 1
SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse}
SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock
SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock
PCAP_FILE=${TPM_PATH}/tpm.pcap
LOGFILE=${TPM_PATH}/tpm.log

function cleanup()
{
	pid=${SWTPM_PID}
	if [ -n "$pid" ]; then
		kill_quiet -9 "$pid"
	fi
	rm -rf "$TPM_PATH"
}

trap "cleanup" EXIT

source "${TESTDIR}/common"
[ "${SWTPM_INTERFACE}" == "cuse" ] && source "${TESTDIR}/test_cuse"

mode=0654
TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
	--log "file=${LOGFILE},level=20" \
	--pcap "file=${PCAP_FILE},mode=${mode}" \
	--tpm2

if ! kill_quiet -0 "${SWTPM_PID}"; then
	echo "Error: ${SWTPM_INTERFACE} TPM did not start."
	echo "TPM Logfile:"
	cat "${LOGFILE}"
	exit 1
fi

# Init the TPM
if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
	echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
	echo "TPM Logfile:"
	cat "${LOGFILE}"
	exit 1
fi

exp=${mode:1}
[[ "$(uname -s)" =~ CYGWIN_NT- ]] && exp=754  # User bits depend on group bits
act=$(get_filemode "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The initial PCAP file has mode bits $act but expected $exp"
	exit 1
fi

exp=312
act=$(get_filesize "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The initial PCAP file has size $act but expected $exp"
	exit 1
fi

# Startup the TPM
RES=$(swtpm_cmd_tx "${SWTPM_INTERFACE}" '\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00')
exp=' 80 01 00 00 00 0a 00 00 00 00'
if [ "$RES" != "$exp" ]; then
	echo "Error: Did not get expected result from TPM2_Startup(ST_Clear)"
	echo "expected: $exp"
	echo "received: $RES"
	exit 1
fi

exp=508
act=$(get_filesize "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The PCAP file after TPM2_Startup has size $act but expected $exp"
	exit 1
fi

# Shut down
if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; 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 "OK"

# Append to existing pcap file; change mode bits; check acceptance
# of checksums parameter
mode=0633
TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
	--log "file=${LOGFILE},level=20" \
	--pcap "file=${PCAP_FILE},mode=${mode},checksums" \
	--tpm2

if ! kill_quiet -0 "${SWTPM_PID}"; then
	echo "Error: ${SWTPM_INTERFACE} TPM did not start."
	echo "TPM Logfile:"
	cat "${LOGFILE}"
	exit 1
fi

# Init the TPM
if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
	echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
	echo "TPM Logfile:"
	cat "${LOGFILE}"
	exit 1
fi

exp=${mode:1}
[[ "$(uname -s)" =~ CYGWIN_NT- ]] && exp=733
act=$(get_filemode "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The PCAP file has mode bits $act but expected $exp"
	exit 1
fi

exp=1280
act=$(get_filesize "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The PCAP file has size $act but expected $exp"
	exit 1
fi

# Shut down
if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; 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 "OK"

# File descriptor passing; tTruncate existing pcap file; change mode bits
exec 100<>"${PCAP_FILE}"
mode=0765
TPM_PATH=$TPM_PATH run_swtpm "${SWTPM_INTERFACE}" \
	--log "file=${LOGFILE},level=20" \
	--pcap "fd=100,mode=${mode},truncate" \
	--tpm2

if ! kill_quiet -0 "${SWTPM_PID}"; then
	echo "Error: ${SWTPM_INTERFACE} TPM did not start."
	echo "TPM Logfile:"
	cat "${LOGFILE}"
	exit 1
fi

# Init the TPM
if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -i; then
	echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
	echo "TPM Logfile:"
	cat "${LOGFILE}"
	exit 1
fi

exp=${mode:1}
act=$(get_filemode "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The PCAP file has mode bits $act but expected $exp"
	exit 1
fi

exp=312
act=$(get_filesize "${PCAP_FILE}")
if [ "${act}" != "${exp}" ]; then
	echo "Error: The PCAP file has size $act but expected $exp"
	exit 1
fi

# Final shut down
if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; 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 "OK"

exit 0