#!/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 "$0")/..}
TESTDIR=${abs_top_testdir:-$(dirname "$0")}

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

SWTPM_SETUP=${TOPBUILD}/src/swtpm_setup/swtpm_setup
SWTPM_LOCALCA=${TOPBUILD}/samples/swtpm-localca
SWTPM=${TOPBUILD}/src/swtpm/swtpm

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

SIGNINGKEY=${workdir}/signingkey.pem
ISSUERCERT=${workdir}/issuercert.pem
CERTSERIAL=${workdir}/certserial

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_

cat <<_EOF_ > "${workdir}/swtpm_setup.conf"
create_certs_tool=${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} socket ${SWTPM_TEST_SECCOMP_OPT}" \
		--rsa-keysize ${keysize} \
		--overwrite

	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

	rm -rf ${SIGNINGKEY} ${ISSUERCERT} ${CERTSERIAL}
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} socket ${SWTPM_TEST_SECCOMP_OPT}" \
	--overwrite

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

echo "Test 2: OK"

exit 0