tequilaOS/platform_system_sepolicy
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Fix vendor contexts files in mixed build

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BOARD_PLAT_VENDOR_POLICY should be used for all vendor stuff, when in
mixed sepolicy build (BOARD_SEPOLICY_VERS != PLATFORM_SEPOLICY_VERSION).
This fixes an issue that system/sepolicy/vendor has been incorrectly
used in mixed sepolicy build.

Bug: 205924657
Test: Try AOSP + rvc-dev mixed sepolicy build
1) copy cuttlefish sepolicy prebuilts from rvc-dev branch.
2) set prebuilt variables:
  - BOARD_PLAT_VENDOR_POLICY
  - BOARD_REQD_MASK_POLICY
  - BOARD_(SYSTEM_EXT|PRODUCT)_PRIVATE_PREBUILT_DIRS
  - BOARD_SEPOLICY_VERS
3) lunch aosp_cf_x86_64_phone-userdebug; m selinux_policy
4) compare $OUT/vendor/etc/selinux with rvc-dev's artifacts.

Change-Id: I2ed1e25255c825c24dab99ae4903328b0400c414
This commit is contained in:
Inseob Kim 2021-12-08 22:45:58 +09:00
parent 04a2389d59
commit 7174ffec38
5 changed files with 11 additions and 9 deletions
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4
Android.mk
View file

@ -188,7 +188,7 @@ endef
# Builds paths for all policy files found in BOARD_VENDOR_SEPOLICY_DIRS.
# $(1): the set of policy name paths to build
build_vendor_policy = $(call build_policy, $(1), $(PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS))
build_vendor_policy = $(call build_policy, $(1), $(BOARD_PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS))
# Builds paths for all policy files found in BOARD_ODM_SEPOLICY_DIRS.
build_odm_policy = $(call build_policy, $(1), $(BOARD_ODM_SEPOLICY_DIRS))
@ -1230,7 +1230,7 @@ LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
vnd_svcfiles := $(call build_policy, vndservice_contexts, $(PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(REQD_MASK_POLICY))
vnd_svcfiles := $(call build_policy, vndservice_contexts, $(BOARD_PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(BOARD_REQD_MASK_POLICY))
vndservice_contexts.tmp := $(intermediates)/vndservice_contexts.tmp
$(vndservice_contexts.tmp): PRIVATE_SVC_FILES := $(vnd_svcfiles)

6
build/soong/filegroup.go
View file

@ -137,7 +137,6 @@ func (fg *fileGroup) DepsMutator(ctx android.BottomUpMutatorContext) {}
func (fg *fileGroup) GenerateAndroidBuildActions(ctx android.ModuleContext) {
fg.systemPublicSrcs = fg.findSrcsInDir(ctx, filepath.Join(ctx.ModuleDir(), "public"))
fg.systemPrivateSrcs = fg.findSrcsInDir(ctx, filepath.Join(ctx.ModuleDir(), "private"))
fg.systemVendorSrcs = fg.findSrcsInDir(ctx, filepath.Join(ctx.ModuleDir(), "vendor"))
fg.systemReqdMaskSrcs = fg.findSrcsInDir(ctx, filepath.Join(ctx.ModuleDir(), "reqd_mask"))
fg.systemExtPublicSrcs = fg.findSrcsInDirs(ctx, ctx.DeviceConfig().SystemExtPublicSepolicyDirs())
@ -146,6 +145,11 @@ func (fg *fileGroup) GenerateAndroidBuildActions(ctx android.ModuleContext) {
fg.productPublicSrcs = fg.findSrcsInDirs(ctx, ctx.Config().ProductPublicSepolicyDirs())
fg.productPrivateSrcs = fg.findSrcsInDirs(ctx, ctx.Config().ProductPrivateSepolicyDirs())
systemVendorDirs := ctx.DeviceConfig().BoardPlatVendorPolicy()
if len(systemVendorDirs) == 0 || ctx.DeviceConfig().PlatformSepolicyVersion() == ctx.DeviceConfig().BoardSepolicyVers() {
systemVendorDirs = []string{filepath.Join(ctx.ModuleDir(), "vendor")}
}
fg.systemVendorSrcs = fg.findSrcsInDirs(ctx, systemVendorDirs)
fg.vendorReqdMaskSrcs = fg.findSrcsInDirs(ctx, ctx.DeviceConfig().BoardReqdMaskPolicy())
fg.vendorSrcs = fg.findSrcsInDirs(ctx, ctx.DeviceConfig().VendorSepolicyDirs())
fg.odmSrcs = fg.findSrcsInDirs(ctx, ctx.DeviceConfig().OdmSepolicyDirs())

4
build/soong/selinux_contexts.go
View file

@ -162,9 +162,7 @@ func (m *selinuxContextsModule) GenerateAndroidBuildActions(ctx android.ModuleCo
if ctx.ProductSpecific() {
inputs = append(inputs, segroup.ProductPrivateSrcs()...)
} else if ctx.SocSpecific() {
if ctx.DeviceConfig().BoardSepolicyVers() == ctx.DeviceConfig().PlatformSepolicyVersion() {
inputs = append(inputs, segroup.SystemVendorSrcs()...)
}
inputs = append(inputs, segroup.SystemVendorSrcs()...)
inputs = append(inputs, segroup.VendorSrcs()...)
} else if ctx.DeviceSpecific() {
inputs = append(inputs, segroup.OdmSrcs()...)

4
mac_permissions.mk
View file

@ -119,8 +119,8 @@ LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
all_vendor_mac_perms_keys := $(call build_policy, keys.conf, $(PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(REQD_MASK_POLICY))
all_vendor_mac_perms_files := $(call build_policy, mac_permissions.xml, $(PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(REQD_MASK_POLICY))
all_vendor_mac_perms_keys := $(call build_policy, keys.conf, $(BOARD_PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(BOARD_REQD_MASK_POLICY))
all_vendor_mac_perms_files := $(call build_policy, mac_permissions.xml, $(BOARD_PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(BOARD_REQD_MASK_POLICY))
# Build keys.conf
vendor_mac_perms_keys.tmp := $(intermediates)/vendor_keys.tmp

2
seapp_contexts.mk
View file

@ -84,7 +84,7 @@ LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/etc/selinux
include $(BUILD_SYSTEM)/base_rules.mk
vendor_sc_files := $(call build_policy, seapp_contexts, $(PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(REQD_MASK_POLICY))
vendor_sc_files := $(call build_policy, seapp_contexts, $(BOARD_PLAT_VENDOR_POLICY) $(BOARD_VENDOR_SEPOLICY_DIRS) $(BOARD_REQD_MASK_POLICY))
plat_sc_neverallow_files := $(call build_policy, seapp_contexts, $(PLAT_PRIVATE_POLICY) $(SYSTEM_EXT_PRIVATE_POLICY) $(PRODUCT_PRIVATE_POLICY))
$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)