diff options
Diffstat (limited to 'certs/Makefile')
| -rw-r--r-- | certs/Makefile | 134 |
1 files changed, 58 insertions, 76 deletions
diff --git a/certs/Makefile b/certs/Makefile index f4c25b67aad9..799ad7b9e68a 100644 --- a/certs/Makefile +++ b/certs/Makefile @@ -4,103 +4,85 @@ # obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o -obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o -ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),"") -obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o -else -obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o -endif +obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o blacklist_hashes.o +obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o -ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y) +$(obj)/blacklist_hashes.o: $(obj)/blacklist_hash_list +CFLAGS_blacklist_hashes.o := -I $(obj) -$(eval $(call config_filename,SYSTEM_TRUSTED_KEYS)) +quiet_cmd_check_and_copy_blacklist_hash_list = GEN $@ + cmd_check_and_copy_blacklist_hash_list = \ + $(if $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST), \ + $(AWK) -f $(srctree)/$(src)/check-blacklist-hashes.awk $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) >&2; \ + { cat $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST); echo $(comma) NULL; } > $@, \ + echo NULL > $@) -# GCC doesn't include .incbin files in -MD generated dependencies (PR#66871) -$(obj)/system_certificates.o: $(obj)/x509_certificate_list +$(obj)/blacklist_hash_list: $(CONFIG_SYSTEM_BLACKLIST_HASH_LIST) FORCE + $(call if_changed,check_and_copy_blacklist_hash_list) -# Cope with signing_key.x509 existing in $(srctree) not $(objtree) -AFLAGS_system_certificates.o := -I$(srctree) +targets += blacklist_hash_list -quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2)) - cmd_extract_certs = scripts/extract-cert $(2) $@ +quiet_cmd_extract_certs = CERT $@ + cmd_extract_certs = $(obj)/extract-cert "$(extract-cert-in)" $@ +extract-cert-in = $(filter-out $(obj)/extract-cert, $(real-prereqs)) -targets += x509_certificate_list -$(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)$(CONFIG_SYSTEM_TRUSTED_KEYS)) -endif # CONFIG_SYSTEM_TRUSTED_KEYRING +$(obj)/system_certificates.o: $(obj)/x509_certificate_list -clean-files := x509_certificate_list .x509.list +$(obj)/x509_certificate_list: $(CONFIG_SYSTEM_TRUSTED_KEYS) $(obj)/extract-cert FORCE + $(call if_changed,extract_certs) + +targets += x509_certificate_list -ifeq ($(CONFIG_MODULE_SIG),y) -############################################################################### -# # 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. # -############################################################################### -ifndef CONFIG_MODULE_SIG_HASH -$(error Could not determine digest type to use from kernel config) -endif - -redirect_openssl = 2>&1 -quiet_redirect_openssl = 2>&1 -silent_redirect_openssl = 2>/dev/null - # We do it this way rather than having a boolean option for enabling an # external private key, because 'make randconfig' might enable such a # boolean option and we unfortunately can't make it depend on !RANDCONFIG. -ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem") -$(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 \ - $($(quiet)redirect_openssl) - @$(kecho) "###" - @$(kecho) "### Key pair generated." - @$(kecho) "###" +ifeq ($(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. $(obj)/x509.genkey: - @$(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" + $(call cmd,copy_x509_config) + endif # CONFIG_MODULE_SIG_KEY -$(eval $(call config_filename,MODULE_SIG_KEY)) +$(obj)/system_certificates.o: $(obj)/signing_key.x509 -# If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it -ifeq ($(patsubst pkcs11:%,%,$(firstword $(MODULE_SIG_KEY_FILENAME))),$(firstword $(MODULE_SIG_KEY_FILENAME))) -X509_DEP := $(MODULE_SIG_KEY_SRCPREFIX)$(MODULE_SIG_KEY_FILENAME) +PKCS11_URI := $(filter pkcs11:%, $(CONFIG_MODULE_SIG_KEY)) +ifdef PKCS11_URI +$(obj)/signing_key.x509: extract-cert-in := $(PKCS11_URI) endif -# GCC PR#66871 again. -$(obj)/system_certificates.o: $(obj)/signing_key.x509 +$(obj)/signing_key.x509: $(filter-out $(PKCS11_URI),$(CONFIG_MODULE_SIG_KEY)) $(obj)/extract-cert FORCE + $(call if_changed,extract_certs) targets += signing_key.x509 -$(obj)/signing_key.x509: scripts/extract-cert $(X509_DEP) FORCE - $(call if_changed,extract_certs,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY)) -endif # CONFIG_MODULE_SIG + +$(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) + +targets += x509_revocation_list + +hostprogs := extract-cert + +HOSTCFLAGS_extract-cert.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null) +HOSTLDLIBS_extract-cert = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto) |