Split policy for on-device compilation.
Simulate platform and non-platform split by sending the split files to the device to be compiled by init. Bug: 31363362 Test: Policy builds on-device and boots. sediff shows no difference. Change-Id: I9627d1c66ca37786d97a049666278a4992ad7579
This commit is contained in:
dcashman
parent
0a80782877
commit
1faa644c81
209
Android.mk
209
Android.mk
@ -120,36 +120,6 @@ sepolicy_build_files := security_classes \
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port_contexts
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := sectxfile_nl
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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# Create a file containing newline only to add between context config files
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include $(BUILD_SYSTEM)/base_rules.mk
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$(LOCAL_BUILT_MODULE):
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@mkdir -p $(dir $@)
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$(hide) echo > $@
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built_nl := $(LOCAL_BUILT_MODULE)
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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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LOCAL_TARGET_ARCH := $(TARGET_ARCH)
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# Set LOCAL_TARGET_ARCH to mips for mips and mips64.
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ifneq (,$(filter mips mips64,$(TARGET_ARCH)))
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LOCAL_TARGET_ARCH := mips
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endif
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include $(BUILD_SYSTEM)/base_rules.mk
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# reqd_policy_mask - a policy.conf file which contains only the bare minimum
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# policy necessary to use checkpolicy. This bare-minimum policy needs to be
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# present in all policy.conf files, but should not necessarily be exported as
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@ -173,6 +143,9 @@ $(reqd_policy_mask.cil): $(reqd_policy_mask.conf) $(HOST_OUT_EXECUTABLES)/checkp
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -C -M -c $(POLICYVERS) -o $@ $<
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reqd_policy_mask.conf :=
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##################################
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# plat_pub_policy - policy that will be exported to be a part of non-platform
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# policy corresponding to this platform version. This is a limited subset of
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# policy that would not compile in checkpolicy on its own. To get around this
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@ -191,14 +164,44 @@ $(BOARD_SEPOLICY_VERS_DIR) $(REQD_MASK_POLICY))
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-s $^ > $@
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plat_pub_policy.cil := $(intermediates)/plat_pub_policy.cil
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$(plat_pub_policy.cil): $(plat_pub_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
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$(plat_pub_policy.cil): PRIVATE_POL_CONF := $(plat_pub_policy.conf)
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$(plat_pub_policy.cil): PRIVATE_REQD_MASK := $(reqd_policy_mask.cil)
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$(plat_pub_policy.cil): $(HOST_OUT_EXECUTABLES)/checkpolicy $(plat_pub_policy.conf) $(reqd_policy_mask.cil)
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -C -M -c $(POLICYVERS) -o $@ $<
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$(hide) $< -C -M -c $(POLICYVERS) -o $@.tmp $(PRIVATE_POL_CONF)
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$(hide) grep -Fxv -f $(PRIVATE_REQD_MASK) $@.tmp > $@
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pruned_plat_pub_policy.cil := $(intermediates)/pruned_plat_pub_policy.cil
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$(pruned_plat_pub_policy.cil): $(reqd_policy_mask.cil) $(plat_pub_policy.cil)
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plat_pub_policy.conf :=
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##################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := sectxfile_nl
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LOCAL_MODULE_CLASS := ETC
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LOCAL_MODULE_TAGS := optional
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# Create a file containing newline only to add between context config files
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include $(BUILD_SYSTEM)/base_rules.mk
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$(LOCAL_BUILT_MODULE):
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@mkdir -p $(dir $@)
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$(hide) grep -Fxv -f $^ > $@
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$(hide) echo > $@
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built_nl := $(LOCAL_BUILT_MODULE)
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#################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := plat_sepolicy.cil
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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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LOCAL_TARGET_ARCH := $(TARGET_ARCH)
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# Set LOCAL_TARGET_ARCH to mips for mips and mips64.
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ifneq (,$(filter mips mips64,$(TARGET_ARCH)))
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LOCAL_TARGET_ARCH := mips
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endif
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include $(BUILD_SYSTEM)/base_rules.mk
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# plat_policy.conf - A combination of the private and public platform policy
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# which will ship with the device. The platform will always reflect the most
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@ -219,11 +222,68 @@ $(PLAT_PUBLIC_POLICY) $(PLAT_PRIVATE_POLICY))
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-s $^ > $@
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$(hide) sed '/dontaudit/d' $@ > $@.dontaudit
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plat_policy.cil := $(intermediates)/plat_policy.cil
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$(plat_policy.cil): $(plat_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
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plat_policy_nvr := $(intermediates)/plat_policy_nvr.cil
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$(plat_policy_nvr): $(plat_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -C -c $(POLICYVERS) -o $@ $<
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$(LOCAL_BUILT_MODULE): $(plat_policy_nvr)
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@mkdir -p $(dir $@)
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grep -v neverallow $< > $@
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plat_policy.conf :=
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#################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := mapping_sepolicy.cil
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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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LOCAL_TARGET_ARCH := $(TARGET_ARCH)
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# Set LOCAL_TARGET_ARCH to mips for mips and mips64.
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ifneq (,$(filter mips mips64,$(TARGET_ARCH)))
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LOCAL_TARGET_ARCH := mips
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endif
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include $(BUILD_SYSTEM)/base_rules.mk
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# auto-generate the mapping file for current platform policy, since it needs to
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# track platform policy development
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current_mapping.cil := $(intermediates)/mapping/current.cil
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$(current_mapping.cil) : PRIVATE_VERS := $(BOARD_SEPOLICY_VERS)
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$(current_mapping.cil) : $(plat_pub_policy.cil) $(HOST_OUT_EXECUTABLES)/version_policy
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/version_policy -b $< -m -n $(PRIVATE_VERS) -o $@
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ifeq ($(BOARD_SEPOLICY_VERS), current)
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mapping_policy_nvr := $(current_mapping.cil)
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else
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mapping_policy_nvr := $(addsuffix /$(BOARD_SEPOLICY_VERS).cil, $(PLAT_PRIVATE_POLICY)/mapping)
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endif
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$(LOCAL_BUILT_MODULE): $(mapping_policy_nvr)
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grep -v neverallow $< > $@
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current_mapping.cil :=
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#################################
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include $(CLEAR_VARS)
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LOCAL_MODULE := nonplat_sepolicy.cil
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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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LOCAL_TARGET_ARCH := $(TARGET_ARCH)
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# Set LOCAL_TARGET_ARCH to mips for mips and mips64.
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ifneq (,$(filter mips mips64,$(TARGET_ARCH)))
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LOCAL_TARGET_ARCH := mips
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endif
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include $(BUILD_SYSTEM)/base_rules.mk
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# nonplat_policy.conf - A combination of the non-platform private and the
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# exported platform policy associated with the version the non-platform policy
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# targets. This needs attributization and to be combined with the
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@ -246,42 +306,51 @@ $(BOARD_SEPOLICY_VERS_DIR) $(REQD_MASK_POLICY) $(BOARD_SEPOLICY_DIRS))
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-s $^ > $@
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$(hide) sed '/dontaudit/d' $@ > $@.dontaudit
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nonplat_policy.cil := $(intermediates)/nonplat_policy.cil
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$(nonplat_policy.cil): $(nonplat_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
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nonplat_policy_raw := $(intermediates)/nonplat_policy_raw.cil
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$(nonplat_policy_raw): PRIVATE_POL_CONF := $(nonplat_policy.conf)
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$(nonplat_policy_raw): PRIVATE_REQD_MASK := $(reqd_policy_mask.cil)
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$(nonplat_policy_raw): $(HOST_OUT_EXECUTABLES)/checkpolicy $(nonplat_policy.conf) \
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$(reqd_policy_mask.cil)
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -C -M -c $(POLICYVERS) -o $@ $<
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$(hide) $< -C -M -c $(POLICYVERS) -o $@.tmp $(PRIVATE_POL_CONF)
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$(hide) grep -Fxv -f $(PRIVATE_REQD_MASK) $@.tmp > $@
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pruned_nonplat_policy.cil := $(intermediates)/pruned_nonplat_policy.cil
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$(pruned_nonplat_policy.cil): $(reqd_policy_mask.cil) $(nonplat_policy.cil)
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@mkdir -p $(dir $@)
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$(hide) grep -Fxv -f $^ > $@
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vers_nonplat_policy.cil := $(intermediates)/vers_nonplat_policy.cil
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$(vers_nonplat_policy.cil) : PRIVATE_VERS := $(BOARD_SEPOLICY_VERS)
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$(vers_nonplat_policy.cil) : PRIVATE_TGT_POL := $(pruned_nonplat_policy.cil)
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$(vers_nonplat_policy.cil) : $(pruned_plat_pub_policy.cil) $(pruned_nonplat_policy.cil) \
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nonplat_policy_nvr := $(intermediates)/nonplat_policy_nvr.cil
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$(nonplat_policy_nvr) : PRIVATE_VERS := $(BOARD_SEPOLICY_VERS)
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$(nonplat_policy_nvr) : PRIVATE_TGT_POL := $(nonplat_policy_raw)
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$(nonplat_policy_nvr) : $(plat_pub_policy.cil) $(nonplat_policy_raw) \
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$(HOST_OUT_EXECUTABLES)/version_policy
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@mkdir -p $(dir $@)
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$(HOST_OUT_EXECUTABLES)/version_policy -b $< -t $(PRIVATE_TGT_POL) -n $(PRIVATE_VERS) -o $@
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# auto-generate the mapping file for current platform policy, since it needs to
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# track platform policy development
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current_mapping.cil := $(intermediates)/mapping/current.cil
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$(current_mapping.cil) : PRIVATE_VERS := $(BOARD_SEPOLICY_VERS)
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$(current_mapping.cil) : $(pruned_plat_pub_policy.cil) $(HOST_OUT_EXECUTABLES)/version_policy
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$(LOCAL_BUILT_MODULE): $(nonplat_policy_nvr)
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@mkdir -p $(dir $@)
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$(hide) $(HOST_OUT_EXECUTABLES)/version_policy -b $< -m -n $(PRIVATE_VERS) -o $@
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grep -v neverallow $< > $@
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ifeq ($(BOARD_SEPOLICY_VERS), current)
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mapping.cil := $(current_mapping.cil)
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else
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mapping.cil := $(addsuffix /$(BOARD_SEPOLICY_VERS).cil, $(PLAT_PRIVATE_POLICY)/mapping)
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nonplat_policy.conf :=
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nonplat_policy_raw :=
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#################################
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include $(CLEAR_VARS)
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# TODO: keep the built sepolicy around for now until we're ready to switch over.
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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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LOCAL_TARGET_ARCH := $(TARGET_ARCH)
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# Set LOCAL_TARGET_ARCH to mips for mips and mips64.
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ifneq (,$(filter mips mips64,$(TARGET_ARCH)))
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LOCAL_TARGET_ARCH := mips
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endif
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include $(BUILD_SYSTEM)/base_rules.mk
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all_cil_files := \
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$(plat_policy.cil) \
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$(vers_nonplat_policy.cil) \
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$(mapping.cil)
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$(plat_policy_nvr) \
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$(mapping_policy_nvr) \
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$(nonplat_policy_nvr) \
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$(LOCAL_BUILT_MODULE): PRIVATE_CIL_FILES := $(all_cil_files)
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$(LOCAL_BUILT_MODULE): $(HOST_OUT_EXECUTABLES)/secilc $(HOST_OUT_EXECUTABLES)/sepolicy-analyze $(all_cil_files)
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@ -298,21 +367,7 @@ $(LOCAL_BUILT_MODULE): $(HOST_OUT_EXECUTABLES)/secilc $(HOST_OUT_EXECUTABLES)/se
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$(hide) mv $@.tmp $@
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built_sepolicy := $(LOCAL_BUILT_MODULE)
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reqd_policy_mask.conf :=
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reqd_policy_mask.cil :=
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plat_pub_policy.conf :=
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plat_pub_policy.cil :=
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pruned_plat_pub_policy.cil :=
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plat_policy.conf :=
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plat_policy.cil :=
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nonplat_policy.conf :=
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nonplat_policy.cil :=
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pruned_nonplat_policy.cil :=
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vers_nonplat_policy.cil :=
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current_mapping.cil :=
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mapping.cil :=
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all_cil_files :=
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sepolicy_policy.conf :=
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##################################
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include $(CLEAR_VARS)
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@ -708,5 +763,7 @@ built_general_sepolicy :=
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built_general_sepolicy.conf :=
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built_nl :=
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add_nl :=
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plat_pub_policy.cil :=
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reqd_policy_mask.cil :=
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include $(call all-makefiles-under,$(LOCAL_PATH))
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@ -36,6 +36,9 @@
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# SELinux policy files
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/file_contexts\.bin u:object_r:rootfs:s0
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/mapping_sepolicy\.cil u:object_r:rootfs:s0
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/nonplat_sepolicy\.cil u:object_r:rootfs:s0
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/plat_sepolicy\.cil u:object_r:rootfs:s0
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/property_contexts u:object_r:property_contexts:s0
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/seapp_contexts u:object_r:rootfs:s0
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/sepolicy u:object_r:rootfs:s0
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