swtpm/tests/test_tpm2_swtpm_setup_create_cert

#!/usr/bin/env bash

# For the license, see the LICENSE file in the root directory.

TOPBUILD=${abs_top_builddir:-$(dirname "$0")/..}
TOPSRC=${abs_top_srcdir:-$(dirname "$0")/..}
ROOT=${abs_top_builddir:-$(dirname "$0")/..}
TESTDIR=${abs_top_testdir:-$(dirname "$0")}

source ${TESTDIR}/common
skip_test_no_tpm20 "${SWTPM_EXE}"

SWTPM_LOCALCA=${TOPBUILD}/src/swtpm_localca/swtpm_localca

workdir=$(mktemp -d "/tmp/path with spaces.XXXXXX")

SIGNINGKEY=${workdir}/signingkey.pem
ISSUERCERT=${workdir}/issuercert.pem
CERTSERIAL=${workdir}/certserial
USER_CERTSDIR=${workdir}/mycerts
mkdir -p "${USER_CERTSDIR}"

PATH=${TOPBUILD}/src/swtpm_bios:$PATH

trap "cleanup" SIGTERM EXIT

function cleanup()
{
	rm -rf "${workdir}"
}

# We want swtpm_cert to use the local CA and see that the
# local CA script automatically creates a signingkey and
# self-signed certificate

cat <<_EOF_ > "${workdir}/swtpm-localca.conf"
statedir=${workdir}
signingkey = ${SIGNINGKEY}
issuercert = ${ISSUERCERT}
certserial = ${CERTSERIAL}
_EOF_

cat <<_EOF_ > "${workdir}/swtpm-localca.options"
--tpm-manufacturer IBM
--tpm-model swtpm-libtpms
--tpm-version 2
--platform-manufacturer "Fedora XYZ"
--platform-version 2.1
--platform-model "QEMU A.B"
_EOF_

export MY_SWTPM_LOCALCA="${SWTPM_LOCALCA}"

cat <<_EOF_ > "${workdir}/swtpm_setup.conf"
create_certs_tool=\${MY_SWTPM_LOCALCA}
create_certs_tool_config=${workdir}/swtpm-localca.conf
create_certs_tool_options=${workdir}/swtpm-localca.options
_EOF_

# We need to adapt the PATH so the correct swtpm_cert is picked
export PATH=${TOPBUILD}/src/swtpm_cert:${PATH}

keysizes="2048"
if [ -n "$($SWTPM_SETUP --tpm2 --print-capabilities |
	    grep tpm2-rsa-keysize-3072 )" ]; then
	keysizes+=" 3072"
fi

for keysize in $(echo $keysizes); do
	echo "Testing with RSA keysize $keysize"
	# we need to create at least one cert: --create-ek-cert
	$SWTPM_SETUP \
		--tpm2 \
		--allow-signing \
		--tpm-state "${workdir}" \
		--create-ek-cert \
		--create-platform-cert \
		--config "${workdir}/swtpm_setup.conf" \
		--logfile "${workdir}/logfile" \
		--tpm "${SWTPM_EXE} socket ${SWTPM_TEST_SECCOMP_OPT}" \
		--rsa-keysize ${keysize} \
		--overwrite \
		--write-ek-cert-files "${USER_CERTSDIR}"

	if [ $? -ne 0 ]; then
		echo "Error: Could not run $SWTPM_SETUP."
		echo "Logfile output:"
		cat "${workdir}/logfile"
		exit 1
	fi

	if [ ! -r "${SIGNINGKEY}" ]; then
		echo "Error: Signingkey file ${SIGNINGKEY} was not created."
		exit 1
	fi

	if [ ! -r "${ISSUERCERT}" ]; then
		echo "Error: Issuer cert file ${ISSUERCERT} was not created."
		exit 1
	fi

	if [ ! -r "${CERTSERIAL}" ]; then
		echo "Error: Cert serial number file ${CERTSERIAL} was not created."
		exit 1
	fi

	certfile="${USER_CERTSDIR}/ek-rsa${keysize}.crt"
	if [ ! -f "${certfile}" ]; then
		echo "Error: EK file '${certfile}' was not written."
		ls -l "${USER_CERTSDIR}"
		exit 1
	fi

	if [ -z "$($CERTTOOL --inder --infile "${certfile}" -i | grep "${keysize} bits")" ]; then
		echo "Error: EK file '${certfile}' is not an RSA ${keysize} bit key."
		$CERTTOOL --inder --infile "${certfile}" -i
		exit 1
	fi

	rm -rf "${SIGNINGKEY}" "${ISSUERCERT}" "${CERTSERIAL}" ${USER_CERTSDIR}/ek-*.crt
done

echo "Test 1: OK"


# we need to create at least one cert: --create-ek-cert
$SWTPM_SETUP \
	--tpm2 \
	--ecc \
	--tpm-state "${workdir}" \
	--create-ek-cert \
	--config "${workdir}/swtpm_setup.conf" \
	--logfile "${workdir}/logfile" \
	--tpm "${SWTPM_EXE} socket ${SWTPM_TEST_SECCOMP_OPT}" \
	--overwrite \
	--write-ek-cert-files "${workdir}"

if [ $? -ne 0 ]; then
	echo "Error: Could not run $SWTPM_SETUP."
	echo "Logfile output:"
	cat "${workdir}/logfile"
	exit 1
fi

if [ ! -r "${SIGNINGKEY}" ]; then
	echo "Error: Signingkey file ${SIGNINGKEY} was not created."
	exit 1
fi

if [ ! -r "${ISSUERCERT}" ]; then
	echo "Error: Issuer cert file ${ISSUERCERT} was not created."
	exit 1
fi

if [ ! -r "${CERTSERIAL}" ]; then
	echo "Error: Cert serial number file ${CERTSERIAL} was not created."
	exit 1
fi

certfile="${workdir}/ek-secp384r1.crt"
if [ ! -f "${certfile}" ]; then
	echo "Error: EK file '${certfile}' was not written."
	ls -l "${workdir}"
	exit 1
fi

if [ -z "$($CERTTOOL --inder --infile "${certfile}" -i | grep "384 bits")" ]; then
	echo "Error: EK file '${certfile}' is not an ECC 384 bit key."
	$CERTTOOL --inder --infile "${certfile}" -i
	exit 1
fi

echo "Test 2: OK"

exit 0