51dd0339e3
This allows us to better integrate key selection with our existing build process. Change-Id: I6e3eb5fbbfffb8e31c5edcf16f74df7c38abe537
190 lines
6.2 KiB
Makefile
190 lines
6.2 KiB
Makefile
LOCAL_PATH:= $(call my-dir)
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include $(CLEAR_VARS)
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# SELinux policy version.
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# Must be <= /selinux/policyvers reported by the Android kernel.
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# Must be within the compatibility range reported by checkpolicy -V.
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POLICYVERS ?= 24
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MLS_SENS=1
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MLS_CATS=1024
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ifeq ($(TARGET_BUILD_VARIANT),user)
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BOARD_SEPOLICY_IGNORE+=external/sepolicy/su.te
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else
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BOARD_SEPOLICY_IGNORE+=external/sepolicy/su_user.te
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endif
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# Quick edge case error detection for BOARD_SEPOLICY_REPLACE.
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# Builds the singular path for each replace file.
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sepolicy_replace_paths :=
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$(foreach pf, $(BOARD_SEPOLICY_REPLACE), \
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$(if $(filter $(pf), $(BOARD_SEPOLICY_UNION)), \
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$(error Ambiguous request for sepolicy $(pf). Appears in both \
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BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION), \
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) \
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$(eval _paths := $(filter-out $(BOARD_SEPOLICY_IGNORE), \
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$(wildcard $(addsuffix /$(pf), $(BOARD_SEPOLICY_DIRS))))) \
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$(eval _occurrences := $(words $(_paths))) \
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$(if $(filter 0,$(_occurrences)), \
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$(error No sepolicy file found for $(pf) in $(BOARD_SEPOLICY_DIRS)), \
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) \
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$(if $(filter 1, $(_occurrences)), \
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$(eval sepolicy_replace_paths += $(_paths)), \
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$(error Multiple occurrences of replace file $(pf) in $(_paths)) \
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) \
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$(if $(filter 0, $(words $(wildcard $(addsuffix /$(pf), $(LOCAL_PATH))))), \
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$(error Specified the sepolicy file $(pf) in BOARD_SEPOLICY_REPLACE, \
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but none found in $(LOCAL_PATH)), \
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) \
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)
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# Builds paths for all requested policy files w.r.t
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# both BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION
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# product variables.
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# $(1): the set of policy name paths to build
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build_policy = $(foreach type, $(1), \
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$(filter-out $(BOARD_SEPOLICY_IGNORE), \
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$(foreach expanded_type, $(notdir $(wildcard $(addsuffix /$(type), $(LOCAL_PATH)))), \
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$(if $(filter $(expanded_type), $(BOARD_SEPOLICY_REPLACE)), \
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$(wildcard $(addsuffix $(expanded_type), $(sort $(dir $(sepolicy_replace_paths))))), \
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$(LOCAL_PATH)/$(expanded_type) \
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) \
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) \
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$(foreach union_policy, $(wildcard $(addsuffix /$(type), $(BOARD_SEPOLICY_DIRS))), \
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$(if $(filter $(notdir $(union_policy)), $(BOARD_SEPOLICY_UNION)), \
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$(union_policy), \
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) \
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) \
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) \
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)
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := sepolicy
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
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include $(BUILD_SYSTEM)/base_rules.mk
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sepolicy_policy.conf := $(intermediates)/policy.conf
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$(sepolicy_policy.conf): PRIVATE_MLS_SENS := $(MLS_SENS)
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$(sepolicy_policy.conf): PRIVATE_MLS_CATS := $(MLS_CATS)
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$(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)
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@mkdir -p $(dir $@)
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$(hide) m4 -D mls_num_sens=$(PRIVATE_MLS_SENS) -D mls_num_cats=$(PRIVATE_MLS_CATS) -s $^ > $@
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$(hide) sed '/dontaudit/d' $@ > $@.dontaudit
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$(LOCAL_BUILT_MODULE) : $(sepolicy_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $@ $<
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$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $(dir $<)/$(notdir $@).dontaudit $<.dontaudit
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built_sepolicy := $(LOCAL_BUILT_MODULE)
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sepolicy_policy.conf :=
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###################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := file_contexts
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
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include $(BUILD_SYSTEM)/base_rules.mk
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ALL_FC_FILES := $(call build_policy, file_contexts)
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$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
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$(LOCAL_BUILT_MODULE): $(ALL_FC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
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@mkdir -p $(dir $@)
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$(hide) m4 -s $(ALL_FC_FILES) > $@
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$(hide) $(HOST_OUT_EXECUTABLES)/checkfc $(PRIVATE_SEPOLICY) $@
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file_contexts :=
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := seapp_contexts
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
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include $(BUILD_SYSTEM)/base_rules.mk
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seapp_contexts.tmp := $(intermediates)/seapp_contexts.tmp
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$(seapp_contexts.tmp): $(call build_policy, seapp_contexts)
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@mkdir -p $(dir $@)
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$(hide) m4 -s $^ > $@
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$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
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$(LOCAL_BUILT_MODULE) : $(seapp_contexts.tmp) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkseapp
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@mkdir -p $(dir $@)
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$(HOST_OUT_EXECUTABLES)/checkseapp -p $(PRIVATE_SEPOLICY) -o $@ $<
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seapp_contexts.tmp :=
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := property_contexts
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
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include $(BUILD_SYSTEM)/base_rules.mk
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ALL_PC_FILES := $(call build_policy, property_contexts)
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$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
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$(LOCAL_BUILT_MODULE): $(ALL_PC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
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@mkdir -p $(dir $@)
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$(hide) m4 -s $(ALL_PC_FILES) > $@
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$(hide) $(HOST_OUT_EXECUTABLES)/checkfc -p $(PRIVATE_SEPOLICY) $@
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property_contexts :=
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built_sepolicy :=
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##################################
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := selinux-network.sh
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LOCAL_SRC_FILES := $(LOCAL_MODULE)
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LOCAL_MODULE_CLASS := EXECUTABLES
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)
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include $(BUILD_PREBUILT)
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := mac_permissions.xml
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/security
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include $(BUILD_SYSTEM)/base_rules.mk
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# Build keys.conf
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mac_perms_keys.tmp := $(intermediates)/keys.tmp
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$(mac_perms_keys.tmp) : $(call build_policy, keys.conf)
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@mkdir -p $(dir $@)
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$(hide) m4 -s $^ > $@
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ALL_MAC_PERMS_FILES := $(call build_policy, $(LOCAL_MODULE))
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$(LOCAL_BUILT_MODULE) : $(mac_perms_keys.tmp) $(HOST_OUT_EXECUTABLES)/insertkeys.py $(ALL_MAC_PERMS_FILES)
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/insertkeys.py -t $(TARGET_BUILD_VARIANT) -d $(dir $(DEFAULT_SYSTEM_DEV_CERTIFICATE)) -c $(TOP) $< -o $@ $(ALL_MAC_PERMS_FILES)
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mac_perms_keys.tmp :=
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##################################
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build_policy :=
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sepolicy_replace_paths :=
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include $(call all-makefiles-under,$(LOCAL_PATH))
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