diff options
Diffstat (limited to 'certs/Makefile')
| -rw-r--r-- | certs/Makefile | 125 |
1 files changed, 33 insertions, 92 deletions
diff --git a/certs/Makefile b/certs/Makefile index 279433783b10..3ea7fe60823f 100644 --- a/certs/Makefile +++ b/certs/Makefile @@ -6,31 +6,21 @@ 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),"") +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) +quiet_cmd_extract_certs = CERT $@ + cmd_extract_certs = $(obj)/extract-cert $(2) $@ -$(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) $@ +$(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 -$(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 @@ -50,103 +40,54 @@ ifdef SIGN_KEY # fail and that the kernel may be used afterwards. # ############################################################################### -ifndef CONFIG_MODULE_SIG_HASH -$(error Could not determine digest type to use from kernel config) -endif - -redirect_openssl = 2>&1 -quiet_redirect_openssl = 2>&1 -silent_redirect_openssl = 2>/dev/null -openssl_available = $(shell openssl help 2>/dev/null && echo yes) # We do it this way rather than having a boolean option for enabling an # external private key, because 'make randconfig' might enable such a # boolean option and we unfortunately can't make it depend on !RANDCONFIG. -ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem") +ifeq ($(CONFIG_MODULE_SIG_KEY),certs/signing_key.pem) -ifeq ($(openssl_available),yes) -X509TEXT=$(shell openssl x509 -in "certs/signing_key.pem" -text 2>/dev/null) -endif +keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) := -newkey ec -pkeyopt ec_paramgen_curve:secp384r1 -# Support user changing key type -ifdef CONFIG_MODULE_SIG_KEY_TYPE_ECDSA -keytype_openssl = -newkey ec -pkeyopt ec_paramgen_curve:secp384r1 -ifeq ($(openssl_available),yes) -$(if $(findstring id-ecPublicKey,$(X509TEXT)),,$(shell rm -f "certs/signing_key.pem")) -endif -endif # CONFIG_MODULE_SIG_KEY_TYPE_ECDSA +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 $@ $(keytype-y) 2>&1 -ifdef CONFIG_MODULE_SIG_KEY_TYPE_RSA -ifeq ($(openssl_available),yes) -$(if $(findstring rsaEncryption,$(X509TEXT)),,$(shell rm -f "certs/signing_key.pem")) -endif -endif # CONFIG_MODULE_SIG_KEY_TYPE_RSA - -$(obj)/signing_key.pem: $(obj)/x509.genkey - @$(kecho) "###" - @$(kecho) "### Now generating an X.509 key pair to be used for signing modules." - @$(kecho) "###" - @$(kecho) "### If this takes a long time, you might wish to run rngd in the" - @$(kecho) "### background to keep the supply of entropy topped up. It" - @$(kecho) "### needs to be run as root, and uses a hardware random" - @$(kecho) "### number generator if one is available." - @$(kecho) "###" - $(Q)openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \ - -batch -x509 -config $(obj)/x509.genkey \ - -outform PEM -out $(obj)/signing_key.pem \ - -keyout $(obj)/signing_key.pem \ - $(keytype_openssl) \ - $($(quiet)redirect_openssl) - @$(kecho) "###" - @$(kecho) "### Key pair generated." - @$(kecho) "###" +$(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. $(obj)/x509.genkey: - @$(kecho) Generating X.509 key generation config - @echo >$@ "[ req ]" - @echo >>$@ "default_bits = 4096" - @echo >>$@ "distinguished_name = req_distinguished_name" - @echo >>$@ "prompt = no" - @echo >>$@ "string_mask = utf8only" - @echo >>$@ "x509_extensions = myexts" - @echo >>$@ - @echo >>$@ "[ req_distinguished_name ]" - @echo >>$@ "#O = Unspecified company" - @echo >>$@ "CN = Build time autogenerated kernel key" - @echo >>$@ "#emailAddress = unspecified.user@unspecified.company" - @echo >>$@ - @echo >>$@ "[ myexts ]" - @echo >>$@ "basicConstraints=critical,CA:FALSE" - @echo >>$@ "keyUsage=digitalSignature" - @echo >>$@ "subjectKeyIdentifier=hash" - @echo >>$@ "authorityKeyIdentifier=keyid" -endif # CONFIG_MODULE_SIG_KEY + $(call cmd,copy_x509_config) -$(eval $(call config_filename,MODULE_SIG_KEY)) +endif # CONFIG_MODULE_SIG_KEY # If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it -ifeq ($(patsubst pkcs11:%,%,$(firstword $(MODULE_SIG_KEY_FILENAME))),$(firstword $(MODULE_SIG_KEY_FILENAME))) -X509_DEP := $(MODULE_SIG_KEY_SRCPREFIX)$(MODULE_SIG_KEY_FILENAME) +ifneq ($(filter-out pkcs11:%, $(CONFIG_MODULE_SIG_KEY)),) +X509_DEP := $(CONFIG_MODULE_SIG_KEY) 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)$(CONFIG_MODULE_SIG_KEY)) +$(obj)/signing_key.x509: $(X509_DEP) $(obj)/extract-cert FORCE + $(call if_changed,extract_certs,$(if $(CONFIG_MODULE_SIG_KEY),$(if $(X509_DEP),$<,$(CONFIG_MODULE_SIG_KEY)),"")) endif # CONFIG_MODULE_SIG -ifeq ($(CONFIG_SYSTEM_REVOCATION_LIST),y) - -$(eval $(call config_filename,SYSTEM_REVOCATION_KEYS)) +targets += signing_key.x509 $(obj)/revocation_certificates.o: $(obj)/x509_revocation_list -quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2)) - cmd_extract_certs = scripts/extract-cert $(2) $@ +$(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 -$(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 + +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) |