android_system_sepolicy/file_contexts.mk
Jiyong Park e7fab1859f Label APEX files correctly when TARGET_FLATTEN_APEX=true
When TARGET_FLATTEN_APEX=true, APEX files are not packaged in *.apex
files but flattened to the system partition under /system/apex/<name>
directories. There was a bug that those flattened files are not labeled
because the per-APEX file_contexts were applied only when building
*.apex. Fixing this by converting the file_contexts files so that
/system/apex/<name> path is prepended and applying the generated
file_contexts file for system.img when TARGET_FLATTEN_APEX=true.

Bug: 123314817
Test: TARGET_FLATTEN_APEX=true m
ls -alZ /system/apex/*/* shows that the files are correctly labeled

Change-Id: Ia82740a1da0083d5bcfd71354a6d374d2a918342
2019-01-29 10:07:54 +09:00

178 lines
6.1 KiB
Makefile

include $(CLEAR_VARS)
LOCAL_MODULE := plat_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
local_fc_files := $(call build_policy, file_contexts, $(PLAT_PRIVATE_POLICY))
ifneq ($(filter address,$(SANITIZE_TARGET)),)
local_fc_files += $(wildcard $(addsuffix /file_contexts_asan, $(PLAT_PRIVATE_POLICY)))
endif
ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
local_fc_files += $(wildcard $(addsuffix /file_contexts_overlayfs, $(PLAT_PRIVATE_POLICY)))
endif
ifeq ($(TARGET_FLATTEN_APEX),true)
apex_fc_files := $(wildcard $(LOCAL_PATH)/apex/*-file_contexts)
$(foreach _input,$(apex_fc_files),\
$(eval _output := $(intermediates)/$(notdir $(_input))-flattened)\
$(eval _apex_name := $(patsubst %-file_contexts,%,$(notdir $(_input))))\
$(eval $(call build_flattened_apex_file_contexts,$(_input),$(_apex_name),$(_output),local_fc_files))\
)
endif
local_fcfiles_with_nl := $(call add_nl, $(local_fc_files), $(built_nl))
$(LOCAL_BUILT_MODULE): PRIVATE_FC_FILES := $(local_fcfiles_with_nl)
$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
$(LOCAL_BUILT_MODULE): PRIVATE_FC_SORT := $(HOST_OUT_EXECUTABLES)/fc_sort
$(LOCAL_BUILT_MODULE): $(HOST_OUT_EXECUTABLES)/checkfc $(HOST_OUT_EXECUTABLES)/fc_sort \
$(local_fcfiles_with_nl) $(built_sepolicy)
@mkdir -p $(dir $@)
$(hide) m4 --fatal-warnings -s $(PRIVATE_FC_FILES) > $@.tmp
$(hide) $< $(PRIVATE_SEPOLICY) $@.tmp
$(hide) $(PRIVATE_FC_SORT) $@.tmp $@
built_plat_fc := $(LOCAL_BUILT_MODULE)
local_fc_files :=
local_fcfiles_with_nl :=
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := product_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT_PRODUCT)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
product_fc_files := $(call build_policy, file_contexts, $(PRODUCT_PRIVATE_POLICY))
product_fcfiles_with_nl := $(call add_nl, $(product_fc_files), $(built_nl))
$(LOCAL_BUILT_MODULE): PRIVATE_FC_FILES := $(product_fcfiles_with_nl)
$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
$(LOCAL_BUILT_MODULE): PRIVATE_ADDITIONAL_M4DEFS := $(LOCAL_ADDITIONAL_M4DEFS)
$(LOCAL_BUILT_MODULE): PRIVATE_FC_SORT := $(HOST_OUT_EXECUTABLES)/fc_sort
$(LOCAL_BUILT_MODULE): $(HOST_OUT_EXECUTABLES)/checkfc $(HOST_OUT_EXECUTABLES)/fc_sort \
$(product_fcfiles_with_nl) $(built_sepolicy)
@mkdir -p $(dir $@)
$(hide) m4 --fatal-warnings -s $(PRIVATE_ADDITIONAL_M4DEFS) $(PRIVATE_FC_FILES) > $@.tmp
$(hide) $< $(PRIVATE_SEPOLICY) $@.tmp
$(hide) $(PRIVATE_FC_SORT) $@.tmp $@
built_product_fc := $(LOCAL_BUILT_MODULE)
product_fc_files :=
product_fcfiles_with_nl :=
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := vendor_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
vendor_fc_files := $(call build_vendor_policy, file_contexts)
vendor_fcfiles_with_nl := $(call add_nl, $(vendor_fc_files), $(built_nl))
$(LOCAL_BUILT_MODULE): PRIVATE_FC_FILES := $(vendor_fcfiles_with_nl)
$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
$(LOCAL_BUILT_MODULE): PRIVATE_ADDITIONAL_M4DEFS := $(LOCAL_ADDITIONAL_M4DEFS)
$(LOCAL_BUILT_MODULE): PRIVATE_FC_SORT := $(HOST_OUT_EXECUTABLES)/fc_sort
$(LOCAL_BUILT_MODULE): $(HOST_OUT_EXECUTABLES)/checkfc $(HOST_OUT_EXECUTABLES)/fc_sort \
$(vendor_fcfiles_with_nl) $(built_sepolicy)
@mkdir -p $(dir $@)
$(hide) m4 --fatal-warnings -s $(PRIVATE_ADDITIONAL_M4DEFS) $(PRIVATE_FC_FILES) > $@.tmp
$(hide) $< $(PRIVATE_SEPOLICY) $@.tmp
$(hide) $(PRIVATE_FC_SORT) $@.tmp $@
built_vendor_fc := $(LOCAL_BUILT_MODULE)
vendor_fc_files :=
vendor_fcfiles_with_nl :=
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := odm_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT_ODM)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
odm_fc_files := $(call build_odm_policy, file_contexts)
odm_fcfiles_with_nl := $(call add_nl, $(odm_fc_files), $(built_nl))
$(LOCAL_BUILT_MODULE): PRIVATE_FC_FILES := $(odm_fcfiles_with_nl)
$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
$(LOCAL_BUILT_MODULE): PRIVATE_ADDITIONAL_M4DEFS := $(LOCAL_ADDITIONAL_M4DEFS)
$(LOCAL_BUILT_MODULE): PRIVATE_FC_SORT := $(HOST_OUT_EXECUTABLES)/fc_sort
$(LOCAL_BUILT_MODULE): $(HOST_OUT_EXECUTABLES)/checkfc $(HOST_OUT_EXECUTABLES)/fc_sort \
$(odm_fcfiles_with_nl) $(built_sepolicy)
@mkdir -p $(dir $@)
$(hide) m4 --fatal-warnings -s $(PRIVATE_ADDITIONAL_M4DEFS) $(PRIVATE_FC_FILES) > $@.tmp
$(hide) $< $(PRIVATE_SEPOLICY) $@.tmp
$(hide) $(PRIVATE_FC_SORT) $@.tmp $@
built_odm_fc := $(LOCAL_BUILT_MODULE)
odm_fc_files :=
odm_fcfiles_with_nl :=
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := plat_file_contexts.recovery
LOCAL_MODULE_STEM := plat_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)
include $(BUILD_SYSTEM)/base_rules.mk
$(LOCAL_BUILT_MODULE): $(built_plat_fc)
$(hide) cp -f $< $@
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := product_file_contexts.recovery
LOCAL_MODULE_STEM := product_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)
include $(BUILD_SYSTEM)/base_rules.mk
$(LOCAL_BUILT_MODULE): $(built_product_fc)
$(hide) cp -f $< $@
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := vendor_file_contexts.recovery
LOCAL_MODULE_STEM := vendor_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)
include $(BUILD_SYSTEM)/base_rules.mk
$(LOCAL_BUILT_MODULE): $(built_vendor_fc)
$(hide) cp -f $< $@
##################################
include $(CLEAR_VARS)
LOCAL_MODULE := odm_file_contexts.recovery
LOCAL_MODULE_STEM := odm_file_contexts
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)
include $(BUILD_SYSTEM)/base_rules.mk
$(LOCAL_BUILT_MODULE): $(built_odm_fc)
$(hide) cp -f $< $@