Load all the files matching the pattern "*.x509" that are to be found in kernel base source dir and base build dir into the module signing keyring. The "extra_certificates" file is then redundant. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> --- kernel/Makefile | 33 +++++++++++++++++++++++++++------ kernel/modsign_certificate.S | 3 +-- 2 files changed, 28 insertions(+), 8 deletions(-) diff --git a/kernel/Makefile b/kernel/Makefile index 6c072b6..9fe74ff 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -134,17 +134,38 @@ $(obj)/timeconst.h: $(src)/timeconst.pl FORCE $(call if_changed,timeconst) ifeq ($(CONFIG_MODULE_SIG),y) +############################################################################### # -# Pull the signing certificate and any extra certificates into the kernel +# Roll all the X.509 certificates that we can find together and pull +# them into the kernel. # +############################################################################### +X509_CERTIFICATES := $(sort signing_key.x509 $(wildcard *.x509) $(wildcard $(srctree)/*.x509)) + +ifeq ($(X509_CERTIFICATES),) +$(warning *** No X.509 certificates found ***) +endif + +ifneq ($(wildcard $(obj)/.x509.list),) +ifneq ($(shell cat $(obj)/.x509.list),$(X509_CERTIFICATES)) +$(info X.509 certificate list changed) +$(shell rm $(obj)/.x509.list) +endif +endif + +kernel/modsign_certificate.o: $(obj)/x509_certificate_list -quiet_cmd_touch = TOUCH $@ - cmd_touch = touch $@ +quiet_cmd_x509certs = CERTS $@ + cmd_x509certs = cat $(X509_CERTIFICATES) /dev/null >$@ +targets += $(obj)/x509_certificate_list +$(obj)/x509_certificate_list: $(X509_CERTIFICATES) $(obj)/.x509.list + $(call if_changed,x509certs) -extra_certificates: - $(call cmd,touch) +targets += $(obj)/.x509.list +$(obj)/.x509.list: + @echo $(X509_CERTIFICATES) >$@ -kernel/modsign_certificate.o: signing_key.x509 extra_certificates +clean-files := x509_certificate_list .x509.list ############################################################################### # diff --git a/kernel/modsign_certificate.S b/kernel/modsign_certificate.S index 246b4c6..0a60203 100644 --- a/kernel/modsign_certificate.S +++ b/kernel/modsign_certificate.S @@ -14,6 +14,5 @@ .section ".init.data","aw" GLOBAL(modsign_certificate_list) - .incbin "signing_key.x509" - .incbin "extra_certificates" + .incbin "kernel/x509_certificate_list" GLOBAL(modsign_certificate_list_end) -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
