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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>
This commit is contained in:
David Woodhouse 2015-07-20 21:16:34 +01:00 committed by David Howells
parent 84706caae9
commit 770f2b9876
3 changed files with 17 additions and 14 deletions
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25
kernel/Makefile
View File

@ -166,23 +166,22 @@ endef
#
###############################################################################
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)
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))
quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2))
cmd_extract_certs = scripts/extract-cert $(2) $@ || ( rm $@; exit 1)
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)$(CONFIG_SYSTEM_TRUSTED_KEYS))
endif
clean-files := x509_certificate_list .x509.list
@ -248,9 +247,9 @@ ifeq ($(patsubst pkcs11:%,%,$(firstword $(MODULE_SIG_KEY_FILENAME))),$(firstword
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

3
kernel/system_certificates.S
View File

@ -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:

3
scripts/Makefile
View File

@ -16,7 +16,8 @@ hostprogs-$(CONFIG_VT) += conmakehash
hostprogs-$(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