mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 12:11:40 +00:00
c537e4d04e
Do not repeat $(obj)/x509.genkey or $(obj)/signing_key.pem Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <n.schier@avm.de>
108 lines
3.9 KiB
Makefile
108 lines
3.9 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Makefile for the linux kernel signature checking certificates.
|
|
#
|
|
|
|
obj-$(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-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
|
|
endif
|
|
|
|
ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y)
|
|
|
|
$(eval $(call config_filename,SYSTEM_TRUSTED_KEYS))
|
|
|
|
# GCC doesn't include .incbin files in -MD generated dependencies (PR#66871)
|
|
$(obj)/system_certificates.o: $(obj)/x509_certificate_list
|
|
|
|
# Cope with signing_key.x509 existing in $(srctree) not $(objtree)
|
|
AFLAGS_system_certificates.o := -I$(srctree)
|
|
|
|
quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2))
|
|
cmd_extract_certs = scripts/extract-cert $(2) $@
|
|
|
|
targets += x509_certificate_list
|
|
$(obj)/x509_certificate_list: scripts/extract-cert $(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(SYSTEM_TRUSTED_KEYS_FILENAME) FORCE
|
|
$(call if_changed,extract_certs,$(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_TRUSTED_KEYS))
|
|
endif # CONFIG_SYSTEM_TRUSTED_KEYRING
|
|
|
|
clean-files := x509_certificate_list .x509.list x509_revocation_list
|
|
|
|
ifeq ($(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
|
|
|
|
$(eval $(call config_filename,MODULE_SIG_KEY))
|
|
|
|
# If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it
|
|
ifeq ($(patsubst pkcs11:%,%,$(firstword $(MODULE_SIG_KEY_FILENAME))),$(firstword $(MODULE_SIG_KEY_FILENAME)))
|
|
X509_DEP := $(MODULE_SIG_KEY_SRCPREFIX)$(MODULE_SIG_KEY_FILENAME)
|
|
endif
|
|
|
|
# GCC PR#66871 again.
|
|
$(obj)/system_certificates.o: $(obj)/signing_key.x509
|
|
|
|
targets += signing_key.x509
|
|
$(obj)/signing_key.x509: scripts/extract-cert $(X509_DEP) FORCE
|
|
$(call if_changed,extract_certs,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY))
|
|
endif # CONFIG_MODULE_SIG
|
|
|
|
ifeq ($(CONFIG_SYSTEM_REVOCATION_LIST),y)
|
|
|
|
$(eval $(call config_filename,SYSTEM_REVOCATION_KEYS))
|
|
|
|
$(obj)/revocation_certificates.o: $(obj)/x509_revocation_list
|
|
|
|
quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2))
|
|
cmd_extract_certs = scripts/extract-cert $(2) $@
|
|
|
|
targets += x509_revocation_list
|
|
$(obj)/x509_revocation_list: scripts/extract-cert $(SYSTEM_REVOCATION_KEYS_SRCPREFIX)$(SYSTEM_REVOCATION_KEYS_FILENAME) FORCE
|
|
$(call if_changed,extract_certs,$(SYSTEM_REVOCATION_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_REVOCATION_KEYS))
|
|
endif
|