tequilaOS/platform_system_sepolicy
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Expand the scope of sepolicy_freeze_test

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The existing freeze test only covers the policy files in system/sepolicy
alone. There's demand from product teams that would like to implement a
freeze test for their sepolicy. Instead of letting them fork the freeze
test, we believe expanding the scope of the exising one is in the best
interest.

$FREEZE_TEST_EXTRA_DIRS and $FREEZE_TEST_EXTRA_PREBUILT_DIRS are added.
These build variables could be appended like $PRODUCT_PUBLIC_POLICY. The
product team are expected to maintain their policy prebuilts.

Bug: 166455099
Test: manual
Change-Id: I6f350e1e3db2807be4dbfd0ceb34f0d89f94d629
This commit is contained in:
Yiming Jing 2020-10-08 14:39:42 -07:00
parent b4a08cb2cc
commit d4103eed2b
1 changed files with 20 additions and 0 deletions
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20
Android.mk
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@ -57,6 +57,10 @@ SYSTEM_EXT_PRIVATE_POLICY := $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR)
PRODUCT_PUBLIC_POLICY := $(PRODUCT_PUBLIC_SEPOLICY_DIRS) PRODUCT_PUBLIC_POLICY := $(PRODUCT_PUBLIC_SEPOLICY_DIRS)
PRODUCT_PRIVATE_POLICY := $(PRODUCT_PRIVATE_SEPOLICY_DIRS) PRODUCT_PRIVATE_POLICY := $(PRODUCT_PRIVATE_SEPOLICY_DIRS)
# Extra sepolicy and prebuilts directories for sepolicy_freeze_test
FREEZE_TEST_EXTRA_DIRS := $(SEPOLICY_FREEZE_TEST_EXTRA_DIRS)
FREEZE_TEST_EXTRA_PREBUILT_DIRS := $(SEPOLICY_FREEZE_TEST_EXTRA_PREBUILT_DIRS)
ifneq (,$(SYSTEM_EXT_PUBLIC_POLICY)$(SYSTEM_EXT_PRIVATE_POLICY)) ifneq (,$(SYSTEM_EXT_PUBLIC_POLICY)$(SYSTEM_EXT_PRIVATE_POLICY))
HAS_SYSTEM_EXT_SEPOLICY_DIR := true HAS_SYSTEM_EXT_SEPOLICY_DIR := true
endif endif
@ -314,6 +318,11 @@ ifneq ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION))
LOCAL_REQUIRED_MODULES += \ LOCAL_REQUIRED_MODULES += \
sepolicy_freeze_test \ sepolicy_freeze_test \
else
ifneq (,$(FREEZE_TEST_EXTRA_DIRS)$(FREEZE_TEST_EXTRA_PREBUILT_DIRS))
$(error SEPOLICY_FREEZE_TEST_EXTRA_DIRS or SEPOLICY_FREEZE_TEST_EXTRA_PREBUILT_DIRS\
cannot be set before system/sepolicy freezes.)
endif # (,$(FREEZE_TEST_EXTRA_DIRS)$(FREEZE_TEST_EXTRA_PREBUILT_DIRS))
endif # ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION)) endif # ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION))
include $(BUILD_PHONY_PACKAGE) include $(BUILD_PHONY_PACKAGE)
@ -1694,6 +1703,11 @@ LOCAL_MODULE_TAGS := optional
include $(BUILD_SYSTEM)/base_rules.mk include $(BUILD_SYSTEM)/base_rules.mk
define ziplist
$(if $(and $1,$2), "$(firstword $1) $(firstword $2)"\
$(call ziplist,$(wordlist 2,$(words $1),$1),$(wordlist 2,$(words $2),$2)))
endef
base_plat_public := $(LOCAL_PATH)/public base_plat_public := $(LOCAL_PATH)/public
base_plat_private := $(LOCAL_PATH)/private base_plat_private := $(LOCAL_PATH)/private
base_plat_public_prebuilt := \ base_plat_public_prebuilt := \
@ -1708,10 +1722,16 @@ $(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PUBLIC := $(base_plat_public)
$(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PRIVATE := $(base_plat_private) $(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PRIVATE := $(base_plat_private)
$(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PUBLIC_PREBUILT := $(base_plat_public_prebuilt) $(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PUBLIC_PREBUILT := $(base_plat_public_prebuilt)
$(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PRIVATE_PREBUILT := $(base_plat_private_prebuilt) $(LOCAL_BUILT_MODULE): PRIVATE_BASE_PLAT_PRIVATE_PREBUILT := $(base_plat_private_prebuilt)
$(LOCAL_BUILT_MODULE): PRIVATE_EXTRA := $(sort $(FREEZE_TEST_EXTRA_DIRS))
$(LOCAL_BUILT_MODULE): PRIVATE_EXTRA_PREBUILT := $(sort $(FREEZE_TEST_EXTRA_PREBUILT_DIRS))
$(LOCAL_BUILT_MODULE): $(all_frozen_files) $(LOCAL_BUILT_MODULE): $(all_frozen_files)
ifneq ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION)) ifneq ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION))
@diff -rq -x bug_map $(PRIVATE_BASE_PLAT_PUBLIC_PREBUILT) $(PRIVATE_BASE_PLAT_PUBLIC) @diff -rq -x bug_map $(PRIVATE_BASE_PLAT_PUBLIC_PREBUILT) $(PRIVATE_BASE_PLAT_PUBLIC)
@diff -rq -x bug_map $(PRIVATE_BASE_PLAT_PRIVATE_PREBUILT) $(PRIVATE_BASE_PLAT_PRIVATE) @diff -rq -x bug_map $(PRIVATE_BASE_PLAT_PRIVATE_PREBUILT) $(PRIVATE_BASE_PLAT_PRIVATE)
ifneq (,$(FREEZE_TEST_EXTRA_DIRS)$(FREEZE_TEST_EXTRA_PREBUILT_DIRS))
@for pair in $(call ziplist, $(PRIVATE_EXTRA_PREBUILT), $(PRIVATE_EXTRA)); \
do diff -rq -x bug_map $$pair; done
endif # (,$(FREEZE_TEST_EXTRA_DIRS)$(FREEZE_TEST_EXTRA_PREBUILT_DIRS))
endif # ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION)) endif # ($(PLATFORM_SEPOLICY_VERSION),$(TOT_SEPOLICY_VERSION))
$(hide) touch $@ $(hide) touch $@