# Required packages (Debian 9/stretch):
#   libengine-pkcs11-openssl: /usr/lib/x86_64-linux-gnu/engines-1.1/pkcs11.so
#   softhsm2: /usr/bin/softhsm2-util
#   gnutls-bin: /usr/bin/p11tool
#   openssl: /usr/bin/openssl

TEXT = "A foo is a bar"
SOFTHSM = /usr/bin/softhsm2-util

SOFTHSM_PROVIDER = /usr/lib/softhsm/libsofthsm2.so
P11P_PROVIDER = /home/linus/usr/lib/pkcs11/p11-kit-client.so

p11p-softhsm: testsig.hsm.p11p.pem
	( \
	P11_ENV=$$(p11-kit server $(SOFTHSM_PROVIDER)); \
		eval "$$P11_ENV"; \
	./do-verify.sh ./openssl.p11p.cnf $(P11P_PROVIDER) $< "$(TEXT)"; \
	p11-kit server --kill > /dev/null; \
	)

direct-softhsm: testsig.hsm.pem
	./do-verify.sh ./openssl.direct.cnf $(SOFTHSM_PROVIDER) $< "$(TEXT)"

softhsm-token-setup: softhsm-token-setup.stamp
softhsm-token-setup.stamp: softhsm/tokens testkey.pkcs8
	test -x $(SOFTHSM)
	( \
	BASEDIR=$$(pwd); \
	export SOFTHSM2_CONF=$$BASEDIR/softhsm/softhsm2.conf; \
	echo "directories.tokendir = $$BASEDIR/softhsm/tokens/" > $$SOFTHSM2_CONF; \
	${SOFTHSM} --init-token --free --label mytoken --so-pin ffffff --pin ffff; \
	${SOFTHSM} --import testkey.pkcs8 --token mytoken --label mykey --id 00 --pin ffff; \
	)
	touch $@

softhsm/tokens:
	mkdir -p $@

testkey.pkcs8: testkey.pem
	openssl pkey -in $< -outform pem -out $@

testkey.pem:
	openssl genrsa -out $@ 2048

testsig.local.pem: testkey.pem
	echo $(TEXT) | openssl dgst -sha256 -sign testkey.pem -out $@

testsig.hsm.pem: softhsm-token-setup
	./do-sign.sh ./openssl.direct.cnf $(SOFTHSM_PROVIDER) $@ "$(TEXT)"

testsig.hsm.p11p.pem: softhsm-token-setup
	( \
	P11_ENV=$$(p11-kit server $(SOFTHSM_PROVIDER)); \
		eval "$$P11_ENV"; \
	./do-sign.sh ./openssl.p11p.cnf $(P11P_PROVIDER) $@ "$(TEXT)"; \
	p11-kit server --kill > /dev/null; \
	)

server-running:
# FIXME: use env printed to do 'p11-kit server --kill', at some point

clean:
	-rm -r softhsm
	-rm softhsm-token-setup.stamp
	-rm testkey.pem testkey.pkcs8
	-rm testsig.*.pem

.PHONY: clean