From 770f2b98760ef0500183d7206724aac762433e2d Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Mon, 20 Jul 2015 21:16:34 +0100 Subject: [PATCH] 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 Signed-off-by: David Howells --- kernel/Makefile | 25 ++++++++++++------------- kernel/system_certificates.S | 3 +++ scripts/Makefile | 3 ++- 3 files changed, 17 insertions(+), 14 deletions(-) diff --git a/kernel/Makefile b/kernel/Makefile index 575329777d9e..65ef3846fbe8 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -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 - -kernel/system_certificates.o: $(obj)/x509_certificate_list +# GCC doesn't include .incbin files in -MD generated dependencies (PR#66871) +$(obj)/system_certificates.o: $(obj)/x509_certificate_list -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) +# Cope with signing_key.x509 existing in $(srctree) not $(objtree) +AFLAGS_system_certificates.o := -I$(srctree) -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)$(CONFIG_MODULE_SIG_KEY)) endif diff --git a/kernel/system_certificates.S b/kernel/system_certificates.S index 3e9868d47535..6ba2f75e7ba5 100644 --- a/kernel/system_certificates.S +++ b/kernel/system_certificates.S @@ -7,6 +7,9 @@ .globl VMLINUX_SYMBOL(system_certificate_list) VMLINUX_SYMBOL(system_certificate_list): __cert_list_start: +#ifdef CONFIG_MODULE_SIG + .incbin "signing_key.x509" +#endif .incbin "kernel/x509_certificate_list" __cert_list_end: diff --git a/scripts/Makefile b/scripts/Makefile index 236f683510bd..1b2661712d44 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -16,7 +16,8 @@ hostprogs-$(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 -- 2.20.1