modsign: Use extract-cert to process CONFIG_SYSTEM_TRUSTED_KEYS
Fix up the dependencies somewhat too, while we're at it.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/kernel/Makefile b/kernel/Makefile
index 5753297..65ef384 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -166,23 +166,22 @@
#
###############################################################################
-
ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y)
$(eval $(call config_filename,SYSTEM_TRUSTED_KEYS))
-SIGNING_X509-$(CONFIG_MODULE_SIG) += signing_key.x509
+# GCC doesn't include .incbin files in -MD generated dependencies (PR#66871)
+$(obj)/system_certificates.o: $(obj)/x509_certificate_list
-kernel/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_x509certs = CERTS $(SIGNING_X509-y) $(patsubst "%",%,$(2))
- cmd_x509certs = ( cat $(SIGNING_X509-y) /dev/null; \
- awk '/-----BEGIN CERTIFICATE-----/{flag=1;next}/-----END CERTIFICATE-----/{flag=0}flag' $(2) /dev/null | base64 -d ) > $@ || ( rm $@; exit 1)
+quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2))
+ cmd_extract_certs = scripts/extract-cert $(2) $@ || ( rm $@; exit 1)
-targets += $(obj)/x509_certificate_list
-$(obj)/x509_certificate_list: $(SIGNING_X509-y) include/config/system/trusted/keys.h $(wildcard include/config/module/sig.h) $(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(SYSTEM_TRUSTED_KEYS_FILENAME)
- $(call if_changed,x509certs,$(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_TRUSTED_KEYS))
-
+targets += x509_certificate_list
+$(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
clean-files := x509_certificate_list .x509.list
@@ -248,9 +247,9 @@
X509_DEP := $(MODULE_SIG_KEY_SRCPREFIX)$(MODULE_SIG_KEY_FILENAME)
endif
-quiet_cmd_extract_der = SIGNING_CERT $(patsubst "%",%,$(2))
- cmd_extract_der = scripts/extract-cert $(2) signing_key.x509
+# GCC PR#66871 again.
+$(obj)/system_certificates.o: signing_key.x509
signing_key.x509: scripts/extract-cert include/config/module/sig/key.h $(X509_DEP)
- $(call cmd,extract_der,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY))
+ $(call cmd,extract_certs,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY))
endif
diff --git a/kernel/system_certificates.S b/kernel/system_certificates.S
index 3e9868d47..6ba2f75 100644
--- a/kernel/system_certificates.S
+++ b/kernel/system_certificates.S
@@ -7,6 +7,9 @@
.globl VMLINUX_SYMBOL(system_certificate_list)
VMLINUX_SYMBOL(system_certificate_list):
__cert_list_start:
+#ifdef CONFIG_MODULE_SIG
+ .incbin "signing_key.x509"
+#endif
.incbin "kernel/x509_certificate_list"
__cert_list_end:
diff --git a/scripts/Makefile b/scripts/Makefile
index 236f683..1b26617 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -16,7 +16,8 @@
hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
hostprogs-$(CONFIG_ASN1) += asn1_compiler
-hostprogs-$(CONFIG_MODULE_SIG) += sign-file extract-cert
+hostprogs-$(CONFIG_MODULE_SIG) += sign-file
+hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include
HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
