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1c4bd9f77a
cmd_extract_certs is defined twice. Unify them. The current log shows the input file $(2), which might be empty. You cannot know what is being created from the log, "EXTRACT_CERTS". Change the log to show the output file with better alignment. [Before] EXTRACT_CERTS certs/signing_key.pem CC certs/system_keyring.o EXTRACT_CERTS AS certs/system_certificates.o CC certs/common.o CC certs/blacklist.o EXTRACT_CERTS AS certs/revocation_certificates.o [After] CERT certs/signing_key.x509 CC certs/system_keyring.o CERT certs/x509_certificate_list AS certs/system_certificates.o CC certs/common.o CC certs/blacklist.o CERT certs/x509_revocation_list AS certs/revocation_certificates.o Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <n.schier@avm.de>
105 lines
3.7 KiB
Makefile
105 lines
3.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux kernel signature checking certificates.
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#
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obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o
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obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o
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obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o
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ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),"")
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obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
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else
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obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
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endif
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quiet_cmd_extract_certs = CERT $@
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cmd_extract_certs = scripts/extract-cert $(2) $@
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ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y)
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$(eval $(call config_filename,SYSTEM_TRUSTED_KEYS))
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# GCC doesn't include .incbin files in -MD generated dependencies (PR#66871)
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$(obj)/system_certificates.o: $(obj)/x509_certificate_list
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# Cope with signing_key.x509 existing in $(srctree) not $(objtree)
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AFLAGS_system_certificates.o := -I$(srctree)
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targets += x509_certificate_list
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$(obj)/x509_certificate_list: scripts/extract-cert $(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(SYSTEM_TRUSTED_KEYS_FILENAME) FORCE
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$(call if_changed,extract_certs,$(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_TRUSTED_KEYS))
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endif # CONFIG_SYSTEM_TRUSTED_KEYRING
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clean-files := x509_certificate_list .x509.list x509_revocation_list
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ifeq ($(CONFIG_MODULE_SIG),y)
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SIGN_KEY = y
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endif
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ifeq ($(CONFIG_IMA_APPRAISE_MODSIG),y)
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ifeq ($(CONFIG_MODULES),y)
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SIGN_KEY = y
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endif
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endif
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ifdef SIGN_KEY
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###############################################################################
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#
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# If module signing is requested, say by allyesconfig, but a key has not been
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# supplied, then one will need to be generated to make sure the build does not
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# fail and that the kernel may be used afterwards.
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#
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###############################################################################
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# We do it this way rather than having a boolean option for enabling an
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# external private key, because 'make randconfig' might enable such a
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# boolean option and we unfortunately can't make it depend on !RANDCONFIG.
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ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem")
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keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) := -newkey ec -pkeyopt ec_paramgen_curve:secp384r1
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quiet_cmd_gen_key = GENKEY $@
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cmd_gen_key = openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
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-batch -x509 -config $< \
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-outform PEM -out $@ -keyout $@ $(keytype-y) 2>&1
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$(obj)/signing_key.pem: $(obj)/x509.genkey FORCE
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$(call if_changed,gen_key)
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targets += signing_key.pem
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quiet_cmd_copy_x509_config = COPY $@
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cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@
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# You can provide your own config file. If not present, copy the default one.
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$(obj)/x509.genkey:
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$(call cmd,copy_x509_config)
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endif # CONFIG_MODULE_SIG_KEY
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$(eval $(call config_filename,MODULE_SIG_KEY))
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# If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it
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ifeq ($(patsubst pkcs11:%,%,$(firstword $(MODULE_SIG_KEY_FILENAME))),$(firstword $(MODULE_SIG_KEY_FILENAME)))
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X509_DEP := $(MODULE_SIG_KEY_SRCPREFIX)$(MODULE_SIG_KEY_FILENAME)
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endif
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# GCC PR#66871 again.
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$(obj)/system_certificates.o: $(obj)/signing_key.x509
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targets += signing_key.x509
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$(obj)/signing_key.x509: scripts/extract-cert $(X509_DEP) FORCE
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$(call if_changed,extract_certs,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY))
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endif # CONFIG_MODULE_SIG
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ifeq ($(CONFIG_SYSTEM_REVOCATION_LIST),y)
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$(eval $(call config_filename,SYSTEM_REVOCATION_KEYS))
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$(obj)/revocation_certificates.o: $(obj)/x509_revocation_list
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targets += x509_revocation_list
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$(obj)/x509_revocation_list: scripts/extract-cert $(SYSTEM_REVOCATION_KEYS_SRCPREFIX)$(SYSTEM_REVOCATION_KEYS_FILENAME) FORCE
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$(call if_changed,extract_certs,$(SYSTEM_REVOCATION_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_REVOCATION_KEYS))
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endif
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