Android.mk - LeafOS-Project/android_system_sepolicy - Gitiles

 LOCAL_PATH:= $(call my-dir)

 include $(CLEAR_VARS)

 # Force permissive domains to be unconfined+enforcing?
 #
 # During development, this should be set to false.
 # Permissive means permissive.
 #
 # When we're close to a release and SELinux new policy development
 # is frozen, we should flip this to true. This forces any currently
 # permissive domains into unconfined+enforcing.
 #
 FORCE_PERMISSIVE_TO_UNCONFINED:=false

 ifeq ($(TARGET_BUILD_VARIANT),user)
   # User builds are always forced unconfined+enforcing
   FORCE_PERMISSIVE_TO_UNCONFINED:=true
 endif

 # SELinux policy version.
 # Must be <= /selinux/policyvers reported by the Android kernel.
 # Must be within the compatibility range reported by checkpolicy -V.
 POLICYVERS ?= 26

 MLS_SENS=1
 MLS_CATS=1024

 # Quick edge case error detection for BOARD_SEPOLICY_REPLACE.
 # Builds the singular path for each replace file.
 sepolicy_replace_paths :=
 $(foreach pf, $(BOARD_SEPOLICY_REPLACE), \
   $(if $(filter $(pf), $(BOARD_SEPOLICY_UNION)), \
     $(error Ambiguous request for sepolicy $(pf). Appears in both \
       BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION), \
   ) \
   $(eval _paths := $(filter-out $(BOARD_SEPOLICY_IGNORE), \
   $(wildcard $(addsuffix /$(pf), $(BOARD_SEPOLICY_DIRS))))) \
   $(eval _occurrences := $(words $(_paths))) \
   $(if $(filter 0,$(_occurrences)), \
     $(error No sepolicy file found for $(pf) in $(BOARD_SEPOLICY_DIRS)), \
   ) \
   $(if $(filter 1, $(_occurrences)), \
     $(eval sepolicy_replace_paths += $(_paths)), \
     $(error Multiple occurrences of replace file $(pf) in $(_paths)) \
   ) \
   $(if $(filter 0, $(words $(wildcard $(addsuffix /$(pf), $(LOCAL_PATH))))), \
     $(error Specified the sepolicy file $(pf) in BOARD_SEPOLICY_REPLACE, \
       but none found in $(LOCAL_PATH)), \
   ) \
 )

 # Quick edge case error detection for BOARD_SEPOLICY_UNION.
 # This ensures that a requested union file exists somewhere
 # in one of the listed BOARD_SEPOLICY_DIRS.
 $(foreach pf, $(BOARD_SEPOLICY_UNION), \
   $(if $(filter 0, $(words $(wildcard $(addsuffix /$(pf), $(BOARD_SEPOLICY_DIRS))))), \
     $(error No sepolicy file found for $(pf) in $(BOARD_SEPOLICY_DIRS)), \
   ) \
 )

 # Builds paths for all requested policy files w.r.t
 # both BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION
 # product variables.
 # $(1): the set of policy name paths to build
 build_policy = $(foreach type, $(1), \
   $(filter-out $(BOARD_SEPOLICY_IGNORE), \
     $(foreach expanded_type, $(notdir $(wildcard $(addsuffix /$(type), $(LOCAL_PATH)))), \
       $(if $(filter $(expanded_type), $(BOARD_SEPOLICY_REPLACE)), \
         $(wildcard $(addsuffix $(expanded_type), $(sort $(dir $(sepolicy_replace_paths))))), \
         $(LOCAL_PATH)/$(expanded_type) \
       ) \
     ) \
     $(foreach union_policy, $(wildcard $(addsuffix /$(type), $(BOARD_SEPOLICY_DIRS))), \
       $(if $(filter $(notdir $(union_policy)), $(BOARD_SEPOLICY_UNION)), \
         $(union_policy), \
       ) \
     ) \
   ) \
 )

 ##################################
 include $(CLEAR_VARS)

 LOCAL_MODULE := sepolicy
 LOCAL_MODULE_CLASS := ETC
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

 include $(BUILD_SYSTEM)/base_rules.mk

 sepolicy_policy.conf := $(intermediates)/policy.conf
 $(sepolicy_policy.conf): PRIVATE_MLS_SENS := $(MLS_SENS)
 $(sepolicy_policy.conf): PRIVATE_MLS_CATS := $(MLS_CATS)
 $(sepolicy_policy.conf) : $(call build_policy, security_classes initial_sids access_vectors global_macros mls_macros mls policy_capabilities te_macros attributes *.te roles users initial_sid_contexts fs_use genfs_contexts port_contexts)
 	@mkdir -p $(dir $@)
 	$(hide) m4 -D mls_num_sens=$(PRIVATE_MLS_SENS) -D mls_num_cats=$(PRIVATE_MLS_CATS) \
 		-D target_build_variant=$(TARGET_BUILD_VARIANT) \
 		-D force_permissive_to_unconfined=$(FORCE_PERMISSIVE_TO_UNCONFINED) \
 		-s $^ > $@
 	$(hide) sed '/dontaudit/d' $@ > $@.dontaudit

 $(LOCAL_BUILT_MODULE) : $(sepolicy_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
 	@mkdir -p $(dir $@)
 	$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $@ $<
 	$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $(dir $<)/$(notdir $@).dontaudit $<.dontaudit

 built_sepolicy := $(LOCAL_BUILT_MODULE)
 sepolicy_policy.conf :=

 ###################################
 include $(CLEAR_VARS)

 LOCAL_MODULE := file_contexts
 LOCAL_MODULE_CLASS := ETC
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

 include $(BUILD_SYSTEM)/base_rules.mk

 ALL_FC_FILES := $(call build_policy, file_contexts)

 $(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
 $(LOCAL_BUILT_MODULE):  $(ALL_FC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
 	@mkdir -p $(dir $@)
 	$(hide) m4 -s $(ALL_FC_FILES) > $@
 	$(hide) $(HOST_OUT_EXECUTABLES)/checkfc $(PRIVATE_SEPOLICY) $@

 file_contexts :=

 ##################################
 include $(CLEAR_VARS)
 LOCAL_MODULE := seapp_contexts
 LOCAL_MODULE_CLASS := ETC
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

 include $(BUILD_SYSTEM)/base_rules.mk

 seapp_contexts.tmp := $(intermediates)/seapp_contexts.tmp
 $(seapp_contexts.tmp): $(call build_policy, seapp_contexts)
 	@mkdir -p $(dir $@)
 	$(hide) m4 -s $^ > $@

 $(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
 $(LOCAL_BUILT_MODULE) : $(seapp_contexts.tmp) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkseapp
 	@mkdir -p $(dir $@)
 	$(HOST_OUT_EXECUTABLES)/checkseapp -p $(PRIVATE_SEPOLICY) -o $@ $<

 seapp_contexts.tmp :=
 ##################################
 include $(CLEAR_VARS)

 LOCAL_MODULE := property_contexts
 LOCAL_MODULE_CLASS := ETC
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

 include $(BUILD_SYSTEM)/base_rules.mk

 ALL_PC_FILES := $(call build_policy, property_contexts)

 $(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
 $(LOCAL_BUILT_MODULE):  $(ALL_PC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
 	@mkdir -p $(dir $@)
 	$(hide) m4 -s $(ALL_PC_FILES) > $@
 	$(hide) $(HOST_OUT_EXECUTABLES)/checkfc -p $(PRIVATE_SEPOLICY) $@

 property_contexts :=
 built_sepolicy :=
 ##################################

 ##################################
 include $(CLEAR_VARS)

 LOCAL_MODULE := selinux-network.sh
 LOCAL_SRC_FILES := $(LOCAL_MODULE)
 LOCAL_MODULE_CLASS := EXECUTABLES
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)

 include $(BUILD_PREBUILT)

 ##################################
 include $(CLEAR_VARS)

 LOCAL_MODULE := mac_permissions.xml
 LOCAL_MODULE_CLASS := ETC
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/security

 include $(BUILD_SYSTEM)/base_rules.mk

 # Build keys.conf
 mac_perms_keys.tmp := $(intermediates)/keys.tmp
 $(mac_perms_keys.tmp) : $(call build_policy, keys.conf)
 	@mkdir -p $(dir $@)
 	$(hide) m4 -s $^ > $@

 ALL_MAC_PERMS_FILES := $(call build_policy, $(LOCAL_MODULE))

 $(LOCAL_BUILT_MODULE) : $(mac_perms_keys.tmp) $(HOST_OUT_EXECUTABLES)/insertkeys.py $(ALL_MAC_PERMS_FILES)
 	@mkdir -p $(dir $@)
 	$(hide) DEFAULT_SYSTEM_DEV_CERTIFICATE="$(dir $(DEFAULT_SYSTEM_DEV_CERTIFICATE))" \
 		$(HOST_OUT_EXECUTABLES)/insertkeys.py -t $(TARGET_BUILD_VARIANT) -c $(TOP) $< -o $@ $(ALL_MAC_PERMS_FILES)

 mac_perms_keys.tmp :=
 ##################################

 build_policy :=
 sepolicy_replace_paths :=

 include $(call all-makefiles-under,$(LOCAL_PATH))
	LOCAL_PATH:= $(call my-dir)

	include $(CLEAR_VARS)

	# Force permissive domains to be unconfined+enforcing?
	#
	# During development, this should be set to false.
	# Permissive means permissive.
	#
	# When we're close to a release and SELinux new policy development
	# is frozen, we should flip this to true. This forces any currently
	# permissive domains into unconfined+enforcing.
	#
	FORCE_PERMISSIVE_TO_UNCONFINED:=false

	ifeq ($(TARGET_BUILD_VARIANT),user)
	# User builds are always forced unconfined+enforcing
	FORCE_PERMISSIVE_TO_UNCONFINED:=true
	endif

	# SELinux policy version.
	# Must be <= /selinux/policyvers reported by the Android kernel.
	# Must be within the compatibility range reported by checkpolicy -V.
	POLICYVERS ?= 26

	MLS_SENS=1
	MLS_CATS=1024

	# Quick edge case error detection for BOARD_SEPOLICY_REPLACE.
	# Builds the singular path for each replace file.
	sepolicy_replace_paths :=
	$(foreach pf, $(BOARD_SEPOLICY_REPLACE), \
	$(if $(filter $(pf), $(BOARD_SEPOLICY_UNION)), \
	$(error Ambiguous request for sepolicy $(pf). Appears in both \
	BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION), \
	) \
	$(eval _paths := $(filter-out $(BOARD_SEPOLICY_IGNORE), \
	$(wildcard $(addsuffix /$(pf), $(BOARD_SEPOLICY_DIRS))))) \
	$(eval _occurrences := $(words $(_paths))) \
	$(if $(filter 0,$(_occurrences)), \
	$(error No sepolicy file found for $(pf) in $(BOARD_SEPOLICY_DIRS)), \
	) \
	$(if $(filter 1, $(_occurrences)), \
	$(eval sepolicy_replace_paths += $(_paths)), \
	$(error Multiple occurrences of replace file $(pf) in $(_paths)) \
	) \
	$(if $(filter 0, $(words $(wildcard $(addsuffix /$(pf), $(LOCAL_PATH))))), \
	$(error Specified the sepolicy file $(pf) in BOARD_SEPOLICY_REPLACE, \
	but none found in $(LOCAL_PATH)), \
	) \
	)

	# Quick edge case error detection for BOARD_SEPOLICY_UNION.
	# This ensures that a requested union file exists somewhere
	# in one of the listed BOARD_SEPOLICY_DIRS.
	$(foreach pf, $(BOARD_SEPOLICY_UNION), \
	$(if $(filter 0, $(words $(wildcard $(addsuffix /$(pf), $(BOARD_SEPOLICY_DIRS))))), \
	$(error No sepolicy file found for $(pf) in $(BOARD_SEPOLICY_DIRS)), \
	) \
	)

	# Builds paths for all requested policy files w.r.t
	# both BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION
	# product variables.
	# $(1): the set of policy name paths to build
	build_policy = $(foreach type, $(1), \
	$(filter-out $(BOARD_SEPOLICY_IGNORE), \
	$(foreach expanded_type, $(notdir $(wildcard $(addsuffix /$(type), $(LOCAL_PATH)))), \
	$(if $(filter $(expanded_type), $(BOARD_SEPOLICY_REPLACE)), \
	$(wildcard $(addsuffix $(expanded_type), $(sort $(dir $(sepolicy_replace_paths))))), \
	$(LOCAL_PATH)/$(expanded_type) \
	) \
	) \
	$(foreach union_policy, $(wildcard $(addsuffix /$(type), $(BOARD_SEPOLICY_DIRS))), \
	$(if $(filter $(notdir $(union_policy)), $(BOARD_SEPOLICY_UNION)), \
	$(union_policy), \
	) \
	) \
	) \
	)

	##################################
	include $(CLEAR_VARS)

	LOCAL_MODULE := sepolicy
	LOCAL_MODULE_CLASS := ETC
	LOCAL_MODULE_TAGS := optional
	LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

	include $(BUILD_SYSTEM)/base_rules.mk

	sepolicy_policy.conf := $(intermediates)/policy.conf
	$(sepolicy_policy.conf): PRIVATE_MLS_SENS := $(MLS_SENS)
	$(sepolicy_policy.conf): PRIVATE_MLS_CATS := $(MLS_CATS)
	$(sepolicy_policy.conf) : $(call build_policy, security_classes initial_sids access_vectors global_macros mls_macros mls policy_capabilities te_macros attributes *.te roles users initial_sid_contexts fs_use genfs_contexts port_contexts)
	@mkdir -p $(dir $@)
	$(hide) m4 -D mls_num_sens=$(PRIVATE_MLS_SENS) -D mls_num_cats=$(PRIVATE_MLS_CATS) \
	-D target_build_variant=$(TARGET_BUILD_VARIANT) \
	-D force_permissive_to_unconfined=$(FORCE_PERMISSIVE_TO_UNCONFINED) \
	-s $^ > $@
	$(hide) sed '/dontaudit/d' $@ > $@.dontaudit

	$(LOCAL_BUILT_MODULE) : $(sepolicy_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
	@mkdir -p $(dir $@)
	$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $@ $<
	$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $(dir $<)/$(notdir $@).dontaudit $<.dontaudit

	built_sepolicy := $(LOCAL_BUILT_MODULE)
	sepolicy_policy.conf :=

	###################################
	include $(CLEAR_VARS)

	LOCAL_MODULE := file_contexts
	LOCAL_MODULE_CLASS := ETC
	LOCAL_MODULE_TAGS := optional
	LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

	include $(BUILD_SYSTEM)/base_rules.mk

	ALL_FC_FILES := $(call build_policy, file_contexts)

	$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
	$(LOCAL_BUILT_MODULE): $(ALL_FC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
	@mkdir -p $(dir $@)
	$(hide) m4 -s $(ALL_FC_FILES) > $@
	$(hide) $(HOST_OUT_EXECUTABLES)/checkfc $(PRIVATE_SEPOLICY) $@

	file_contexts :=

	##################################
	include $(CLEAR_VARS)
	LOCAL_MODULE := seapp_contexts
	LOCAL_MODULE_CLASS := ETC
	LOCAL_MODULE_TAGS := optional
	LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

	include $(BUILD_SYSTEM)/base_rules.mk

	seapp_contexts.tmp := $(intermediates)/seapp_contexts.tmp
	$(seapp_contexts.tmp): $(call build_policy, seapp_contexts)
	@mkdir -p $(dir $@)
	$(hide) m4 -s $^ > $@

	$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
	$(LOCAL_BUILT_MODULE) : $(seapp_contexts.tmp) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkseapp
	@mkdir -p $(dir $@)
	$(HOST_OUT_EXECUTABLES)/checkseapp -p $(PRIVATE_SEPOLICY) -o $@ $<

	seapp_contexts.tmp :=
	##################################
	include $(CLEAR_VARS)

	LOCAL_MODULE := property_contexts
	LOCAL_MODULE_CLASS := ETC
	LOCAL_MODULE_TAGS := optional
	LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)

	include $(BUILD_SYSTEM)/base_rules.mk

	ALL_PC_FILES := $(call build_policy, property_contexts)

	$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
	$(LOCAL_BUILT_MODULE): $(ALL_PC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
	@mkdir -p $(dir $@)
	$(hide) m4 -s $(ALL_PC_FILES) > $@
	$(hide) $(HOST_OUT_EXECUTABLES)/checkfc -p $(PRIVATE_SEPOLICY) $@

	property_contexts :=
	built_sepolicy :=
	##################################

	##################################
	include $(CLEAR_VARS)

	LOCAL_MODULE := selinux-network.sh
	LOCAL_SRC_FILES := $(LOCAL_MODULE)
	LOCAL_MODULE_CLASS := EXECUTABLES
	LOCAL_MODULE_TAGS := optional
	LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)

	include $(BUILD_PREBUILT)

	##################################
	include $(CLEAR_VARS)

	LOCAL_MODULE := mac_permissions.xml
	LOCAL_MODULE_CLASS := ETC
	LOCAL_MODULE_TAGS := optional
	LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/security

	include $(BUILD_SYSTEM)/base_rules.mk

	# Build keys.conf
	mac_perms_keys.tmp := $(intermediates)/keys.tmp
	$(mac_perms_keys.tmp) : $(call build_policy, keys.conf)
	@mkdir -p $(dir $@)
	$(hide) m4 -s $^ > $@

	ALL_MAC_PERMS_FILES := $(call build_policy, $(LOCAL_MODULE))

	$(LOCAL_BUILT_MODULE) : $(mac_perms_keys.tmp) $(HOST_OUT_EXECUTABLES)/insertkeys.py $(ALL_MAC_PERMS_FILES)
	@mkdir -p $(dir $@)
	$(hide) DEFAULT_SYSTEM_DEV_CERTIFICATE="$(dir $(DEFAULT_SYSTEM_DEV_CERTIFICATE))" \
	$(HOST_OUT_EXECUTABLES)/insertkeys.py -t $(TARGET_BUILD_VARIANT) -c $(TOP) $< -o $@ $(ALL_MAC_PERMS_FILES)

	mac_perms_keys.tmp :=
	##################################

	build_policy :=
	sepolicy_replace_paths :=

	include $(call all-makefiles-under,$(LOCAL_PATH))