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Import firmware signing keychain from coreboot at boot

This commit is contained in:
Lance Vick 2020-07-20 19:59:18 -07:00
parent 01c292c828
commit d35950c72f
Signed by: lrvick
GPG Key ID: 8E47A1EC35A1551D
6 changed files with 114 additions and 0 deletions

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@ -0,0 +1 @@
source "$BR2_EXTERNAL_Airgap_PATH/package/flashtools/Config.in"

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@ -4135,3 +4135,13 @@ BR2_LINUX_KERNEL_CUSTOM_GIT_VERSION=""
# #
# Linux distribution for offline cryptography use cases (in /home/build/config/buildroot) # Linux distribution for offline cryptography use cases (in /home/build/config/buildroot)
# #
#
# Flashtools
#
BR2_PACKAGE_FLASHTOOLS=y
# BR2_PACKAGE_FLASHTOOLS_FLASHTOOL is not set
# BR2_PACKAGE_FLASHTOOLS_PEEK is not set
# BR2_PACKAGE_FLASHTOOLS_POKE is not set
BR2_PACKAGE_FLASHTOOLS_CBFS=y
# BR2_PACKAGE_FLASHTOOLS_UEFI is not set

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@ -0,0 +1 @@
include $(sort $(wildcard $(BR2_EXTERNAL_Airgap_PATH)/package/*/*.mk))

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@ -0,0 +1,36 @@
menu "Flashtools"
config BR2_PACKAGE_FLASHTOOLS
bool "flashtools"
config BR2_PACKAGE_FLASHTOOLS_FLASHTOOL
bool "flashtool"
select BR2_PACKAGE_FLASHTOOLS
help
Todo
config BR2_PACKAGE_FLASHTOOLS_PEEK
bool "peek"
select BR2_PACKAGE_FLASHTOOLS
help
Todo
config BR2_PACKAGE_FLASHTOOLS_POKE
bool "poke"
select BR2_PACKAGE_FLASHTOOLS
help
Todo
config BR2_PACKAGE_FLASHTOOLS_CBFS
bool "cbfs"
select BR2_PACKAGE_FLASHTOOLS
help
Todo
config BR2_PACKAGE_FLASHTOOLS_UEFI
bool "uefi"
select BR2_PACKAGE_FLASHTOOLS
help
Todo
endmenu

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@ -0,0 +1,47 @@
################################################################################
#
# flashtools
#
################################################################################
FLASHTOOLS_VERSION = 9acce09aeb635c5bef01843e495b95e75e8da135
FLASHTOOLS_SITE = https://github.com/osresearch/flashtools.git
FLASHTOOLS_SITE_METHOD = git
FLASHTOOLS_LICENSE = GPL-2.0
FLASHTOOLS_LICENSE_FILES = LICENSE
ifeq ($(BR2_PACKAGE_FLASHTOOLS_FLASHTOOL),y)
FLASHTOOLS_TARGETS += flashtool
endif
ifeq ($(BR2_PACKAGE_FLASHTOOLS_PEEK),y)
FLASHTOOLS_TARGETS += peek
endif
ifeq ($(BR2_PACKAGE_FLASHTOOLS_POKE),y)
FLASHTOOLS_TARGETS += poke
endif
ifeq ($(BR2_PACKAGE_FLASHTOOLS_CBFS),y)
FLASHTOOLS_TARGETS += cbfs
endif
ifeq ($(BR2_PACKAGE_FLASHTOOLS_UEFI),y)
FLASHTOOLS_TARGETS += uefi
endif
define FLASHTOOLS_BUILD_CMDS
$(foreach t,$(FLASHTOOLS_TARGETS),\
$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS)" -C $(@D) $(t) \
)
endef
define FLASHTOOLS_INSTALL_TARGET_CMDS
$(foreach t,$(FLASHTOOLS_TARGETS),\
$(INSTALL) -D -m 0755 $(@D)/$(t) $(TARGET_DIR)/usr/bin/$(t)$(sep) \
)
endef
$(eval $(generic-package))

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@ -0,0 +1,19 @@
#!/bin/sh
case "${1}" in
start)
printf 'Loading firmware signing key from Coreboot CBFS: '
mkdir -p /.gnupg
cbfs -r heads/initrd/.gnupg/pubring.kbx > /.gnupg/pubring.kbx
cbfs -r heads/initrd/.gnupg/trustdb.gpg > /.gnupg/trustdb.gpg
if [ $? -eq 0 ]; then
echo "OK"
else
echo "FAIL"
fi
;;
*)
echo "Usage: ${0} {start}"
exit 1
;;
esac