#!/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")}

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

workdir="$(mktemp -d)" || exit 1
export TPM_PATH=${workdir}
SWTPM_SERVER_PORT=65482
SWTPM_CTRL_PORT=65483
SWTPM_SERVER_NAME=127.0.0.1
SWTPM_INTERFACE="socket+socket"

SP="[[:blank:]+]"

profilesdir="${workdir}/profiles"
mkdir -p "${profilesdir}"

trap "cleanup" SIGTERM EXIT


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
local_profiles_dir = ${workdir}/profiles
_EOF_

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

	if kill_quiet -0 "${SWTPM_PID}"; then
		kill_quiet -9 "${SWTPM_PID}"
	fi
}

test_swtpm_setup_profile()
{
	local workdir="${1}"
	local profilename="${2}"
	local exp_response="${3}"	# expected 'ActiveProfile' response; optional
	local exp_fail="${4}"		# swtpm_setup is expexted to fail when '1'

	local response

	rm -f "${workdir}/logfile"

	if ! $SWTPM_SETUP \
		--tpm2 \
		--tpmstate "${workdir}" \
		--config "${workdir}/swtpm_setup.conf" \
		--log "${workdir}/logfile" \
		--tpm "${SWTPM_EXE} socket ${SWTPM_TEST_SECCOMP_OPT}" \
		--overwrite \
		${profilename:+--profile-name ${profilename}}
	then
		if [ "${exp_fail}" -eq 1 ]; then
			# swtpm_setup failed as expected
			return 0
		fi
		echo "Test failed: Error: Could not run $SWTPM_SETUP."
		echo "Setup Logfile:"
		cat "${workdir}/logfile"
		exit 1
	fi
	if [ -n "${exp_fail}" ] && [ "${exp_fail}" -eq 1 ]; then
		echo "Error: swtpm_setup did not fail as expected"
		exit 1
	fi

	run_swtpm "${SWTPM_INTERFACE}" \
		--tpm2 \
		--flags not-need-init,startup-clear

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

	if [ -n "${exp_response}" ]; then
		response=$(run_swtpm_ioctl "${SWTPM_INTERFACE}" --info 0x20)
		if ! [[ "${response}" =~ ${exp_response} ]]; then
			echo "Error: Response does not match expected response regular expression"
			echo "Actual   : ${response}"
			echo "Expected : ${exp_response}"
			exit 1
		fi
	fi

	if ! run_swtpm_ioctl "${SWTPM_INTERFACE}" -s; then
		echo "Error: Could not shut down the ${SWTPM_INTERFACE} TPM."
		exit 1
	fi

	if wait_process_gone "${SWTPM_PID}" 4; then
		echo "Error: ${SWTPM_INTERFACE} TPM should not be running anymore."
		exit 1
	fi
}

# Force-load built-in's and local's

exp_response_null=$(echo "^\{\"ActiveProfile\":\{" \
               "\"Name\":\"null\"," \
               "\"StateFormatLevel\":1,"\
               "\"Commands\":\"[,x[:xdigit:]-]+\","\
               "\"Algorithms\":\"[,=[:alnum:]-]+\","\
               "\"Description\":\"The${SP}profile${SP}enables${SP}[[:print:]]+\""\
               "\}\}\$"| tr -d " ")
test_swtpm_setup_profile "${workdir}" "builtin:null" "${exp_response_null}" "0"

exp_response_default=$(echo "^\{\"ActiveProfile\":\{" \
               "\"Name\":\"default-v1\"," \
               "\"StateFormatLevel\":[0-9]+,"\
               "\"Commands\":\"[,x[:xdigit:]-]+\","\
               "\"Algorithms\":\"[,=[:alnum:]-]+\","\
               "(\"Attributes\":\"[,=[:alnum:]-]+\",)?"\
               "\"Description\":\"This${SP}profile${SP}enables${SP}all${SP}[[:print:]]+\""\
               "\}\}\$"| tr -d " ")
test_swtpm_setup_profile "${workdir}" "builtin:default-v1" "${exp_response_default}" "0"

# No local profile must be found
output=$($SWTPM_SETUP \
		--tpm2 \
		--print-profiles \
		--tpm "${SWTPM_EXE} socket ${SWTPM_TEST_SECCOMP_OPT}" \
		--config "${workdir}/swtpm_setup.conf")
if ! echo "${output}" | grep -q '"local":\[\]'; then
	echo "Error: Unexpected output. There should be no local profiles."
	echo "${output}"
	exit 1
fi

echo '{"Name":"custom","Description":"test1"}' > "${profilesdir}/test1.json"
exp_response_test1=$(echo "^\{\"ActiveProfile\":\{" \
               "\"Name\":\"custom\"," \
               "\"StateFormatLevel\":[0-9]+,"\
               "\"Commands\":\"[,x[:xdigit:]-]+\","\
               "\"Algorithms\":\"[,=[:alnum:]-]+\","\
               "\"Description\":\"test1\""\
               "\}\}\$"| tr -d " ")
test_swtpm_setup_profile "${workdir}" "local:test1" "${exp_response_test1}" "0"

# One local profile must be found
output=$($SWTPM_SETUP \
		--tpm2 \
		--print-profiles \
		--tpm "${SWTPM_EXE} socket ${SWTPM_TEST_SECCOMP_OPT}" \
		--config "${workdir}/swtpm_setup.conf")
if ! echo "${output}" | grep -q '"local":\[{"Name":"test1","Description":"test1"}\]'; then
	echo "Error: Unexpected output. There should be 1 local profile."
	echo "${output}"
	exit 1
fi

echo '{"Name":"custom","Description":"test2"}' > "${profilesdir}/test2.json"
exp_response_test2=$(echo "^\{\"ActiveProfile\":\{" \
               "\"Name\":\"custom\"," \
               "\"StateFormatLevel\":[0-9]+,"\
               "\"Commands\":\"[,x[:xdigit:]-]+\","\
               "\"Algorithms\":\"[,=[:alnum:]-]+\","\
               "\"Description\":\"test2\""\
               "\}\}\$"| tr -d " ")
test_swtpm_setup_profile "${workdir}" "local:test2" "${exp_response_test2}" "0"

# Two local profiles must be found
output=$($SWTPM_SETUP \
		--tpm2 \
		--print-profiles \
		--tpm "${SWTPM_EXE} socket ${SWTPM_TEST_SECCOMP_OPT}" \
		--config "${workdir}/swtpm_setup.conf")
# No assumption can be made on order in which test1 and test2 appear
if ! echo "${output}" | grep -qE '"local":\[.*\{"Name":"test1","Description":"test1"\}.*"builtin":' || \
   ! echo "${output}" | grep -qE '"local":\[.*\{"Name":"test2","Description":"test2"\}.*"builtin":'; then
	echo "Error: Unexpected output. There should be 2 local profiles."
	echo "${output}"
	exit 1
fi

# Load by searching through directories and last use built-in's

test_swtpm_setup_profile "${workdir}" "null" "${exp_response_null}" "0"
test_swtpm_setup_profile "${workdir}" "default-v1" "${exp_response_default}" "0"
test_swtpm_setup_profile "${workdir}" "test1" "${exp_response_test1}" "0"
test_swtpm_setup_profile "${workdir}" "test2" "${exp_response_test2}" "0"
test_swtpm_setup_profile "${workdir}" "test3" "${exp_response_test2}" "1"