#!/usr/bin/env bash

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


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

PATH=$ROOT/src/swtpm:$PATH

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

workdir=$(mktemp -d)

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

PATH=${ROOT}/src/swtpm_bios:$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 1.2
--platform-manufacturer Fedora
--platform-version 2.1
--platform-model QEMU
_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=${ROOT}/src/swtpm_cert:${PATH}

# Create a ROOT CA with a password-protected private key
export SWTPM_ROOTCA_PASSWORD=password

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

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

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

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

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

if [ -z "$(grep "ENCRYPTED PRIVATE KEY" ${workdir}/swtpm-localca-rootca-privkey.pem)" ]; then
	echo "Error: Root CA's private key should be encrypted"
	cat ${workdir}/swtpm-localca-rootca-privkey.pem
	exit 1
fi

echo "OK"

exit 0