340a02535e
extract-cert is only used in certs/Makefile. Move it there and build extract-cert on demand. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
94 lines
3.1 KiB
Makefile
94 lines
3.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Makefile for the linux kernel signature checking certificates.
|
|
#
|
|
|
|
obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o
|
|
obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o
|
|
obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o
|
|
ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),)
|
|
obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
|
|
else
|
|
obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
|
|
endif
|
|
|
|
quiet_cmd_extract_certs = CERT $@
|
|
cmd_extract_certs = $(obj)/extract-cert $(2) $@
|
|
|
|
$(obj)/system_certificates.o: $(obj)/x509_certificate_list
|
|
|
|
$(obj)/x509_certificate_list: $(CONFIG_SYSTEM_TRUSTED_KEYS) $(obj)/extract-cert FORCE
|
|
$(call if_changed,extract_certs,$(if $(CONFIG_SYSTEM_TRUSTED_KEYS),$<,""))
|
|
|
|
targets += x509_certificate_list
|
|
|
|
ifeq ($(CONFIG_MODULE_SIG),y)
|
|
SIGN_KEY = y
|
|
endif
|
|
|
|
ifeq ($(CONFIG_IMA_APPRAISE_MODSIG),y)
|
|
ifeq ($(CONFIG_MODULES),y)
|
|
SIGN_KEY = y
|
|
endif
|
|
endif
|
|
|
|
ifdef SIGN_KEY
|
|
###############################################################################
|
|
#
|
|
# If module signing is requested, say by allyesconfig, but a key has not been
|
|
# supplied, then one will need to be generated to make sure the build does not
|
|
# fail and that the kernel may be used afterwards.
|
|
#
|
|
###############################################################################
|
|
|
|
# We do it this way rather than having a boolean option for enabling an
|
|
# external private key, because 'make randconfig' might enable such a
|
|
# boolean option and we unfortunately can't make it depend on !RANDCONFIG.
|
|
ifeq ($(CONFIG_MODULE_SIG_KEY),certs/signing_key.pem)
|
|
|
|
keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) := -newkey ec -pkeyopt ec_paramgen_curve:secp384r1
|
|
|
|
quiet_cmd_gen_key = GENKEY $@
|
|
cmd_gen_key = openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
|
|
-batch -x509 -config $< \
|
|
-outform PEM -out $@ -keyout $@ $(keytype-y) 2>&1
|
|
|
|
$(obj)/signing_key.pem: $(obj)/x509.genkey FORCE
|
|
$(call if_changed,gen_key)
|
|
|
|
targets += signing_key.pem
|
|
|
|
quiet_cmd_copy_x509_config = COPY $@
|
|
cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@
|
|
|
|
# You can provide your own config file. If not present, copy the default one.
|
|
$(obj)/x509.genkey:
|
|
$(call cmd,copy_x509_config)
|
|
|
|
endif # CONFIG_MODULE_SIG_KEY
|
|
|
|
# If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it
|
|
ifneq ($(filter-out pkcs11:%, %(CONFIG_MODULE_SIG_KEY)),)
|
|
X509_DEP := $(CONFIG_MODULE_SIG_KEY)
|
|
endif
|
|
|
|
$(obj)/system_certificates.o: $(obj)/signing_key.x509
|
|
|
|
$(obj)/signing_key.x509: $(X509_DEP) $(obj)/extract-cert FORCE
|
|
$(call if_changed,extract_certs,$(if $(X509_DEP),$<,$(CONFIG_MODULE_SIG_KEY)))
|
|
endif # CONFIG_MODULE_SIG
|
|
|
|
targets += signing_key.x509
|
|
|
|
$(obj)/revocation_certificates.o: $(obj)/x509_revocation_list
|
|
|
|
$(obj)/x509_revocation_list: $(CONFIG_SYSTEM_REVOCATION_KEYS) $(obj)/extract-cert FORCE
|
|
$(call if_changed,extract_certs,$(if $(CONFIG_SYSTEM_REVOCATION_KEYS),$<,""))
|
|
|
|
targets += x509_revocation_list
|
|
|
|
hostprogs := extract-cert
|
|
|
|
HOSTCFLAGS_extract-cert.o = $(shell pkg-config --cflags libcrypto 2> /dev/null)
|
|
HOSTLDLIBS_extract-cert = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
|