Merge "Linker namespace configuration for the Runtime APEX." (49b81b93) · Commits · e / os / android_system_core

rootdir/etc/ld.config.txt

+83 −16

Original line number	Diff line number	Diff line
		@@ -28,7 +28,7 @@ dir.system = /data/benchmarktest64
		dir.postinstall = /postinstall

		[system]
		additional.namespaces = sphal,vndk,rs
		additional.namespaces = runtime,sphal,vndk,rs

		###############################################################################
		# "default" namespace
		@@ -105,6 +105,28 @@ namespace.default.asan.permitted.paths += /%PRODUCT_SERVICES%/app
		namespace.default.asan.permitted.paths += /%PRODUCT_SERVICES%/priv-app
		namespace.default.asan.permitted.paths += /mnt/expand

		# Keep in sync with ld.config.txt in the com.android.runtime APEX.
		namespace.default.links = runtime
		namespace.default.link.runtime.shared_libs = libc.so:libdl.so:libm.so
		namespace.default.link.runtime.shared_libs += libart.so:libartd.so
		namespace.default.link.runtime.shared_libs += libnativebridge.so
		namespace.default.link.runtime.shared_libs += libnativehelper.so
		namespace.default.link.runtime.shared_libs += libnativeloader.so

		###############################################################################
		# "runtime" APEX namespace
		#
		# This namespace exposes externally accessible libraries from the Runtime APEX.
		###############################################################################
		namespace.runtime.isolated = true

		# Keep in sync with ld.config.txt in the com.android.runtime APEX.
		namespace.runtime.search.paths = /apex/com.android.runtime/${LIB}
		namespace.runtime.links = default
		# TODO(b/119867084): Restrict to Bionic dlopen dependencies and PALette library
		# when it exists.
		namespace.runtime.link.default.allow_all_shared_libs = true

		###############################################################################
		# "sphal" namespace
		#
		@@ -139,8 +161,12 @@ namespace.sphal.asan.permitted.paths += /vendor/${LIB}

		# Once in this namespace, access to libraries in /system/lib is restricted. Only
		# libs listed here can be used.
		namespace.sphal.links = default,vndk,rs
		namespace.sphal.links = runtime,default,vndk,rs

		namespace.sphal.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		# LLNDK_LIBRARIES includes the runtime libs above, but the order here ensures
		# that they are loaded from the runtime namespace.
		namespace.sphal.link.default.shared_libs = %LLNDK_LIBRARIES%
		namespace.sphal.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%

		@@ -187,7 +213,9 @@ namespace.rs.asan.permitted.paths += /data/asan/vendor/${LIB}
		namespace.rs.asan.permitted.paths += /vendor/${LIB}
		namespace.rs.asan.permitted.paths += /data

		namespace.rs.links = default,vndk
		namespace.rs.links = runtime,default,vndk

		namespace.rs.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		namespace.rs.link.default.shared_libs = %LLNDK_LIBRARIES%
		namespace.rs.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
		@@ -235,10 +263,13 @@ namespace.vndk.asan.permitted.paths += /vendor/${LIB}/egl
		namespace.vndk.asan.permitted.paths += /data/asan/system/${LIB}/vndk-sp%VNDK_VER%/hw
		namespace.vndk.asan.permitted.paths += /system/${LIB}/vndk-sp%VNDK_VER%/hw

		# The "vndk" namespace links to "default" namespace for LLNDK libs and links to
		# "sphal" namespace for vendor libs. The ordering matters. The "default"
		# namespace has higher priority than the "sphal" namespace.
		namespace.vndk.links = default,sphal
		# The "vndk" namespace links to "runtime" for Bionic libs, "default" namespace
		# for LLNDK libs, and links to "sphal" namespace for vendor libs. The ordering
		# matters. The "default" namespace has higher priority than the "sphal"
		# namespace.
		namespace.vndk.links = runtime,default,sphal

		namespace.vndk.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		# When these NDK libs are required inside this namespace, then it is redirected
		# to the default namespace. This is possible since their ABI is stable across
		@@ -249,6 +280,7 @@ namespace.vndk.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
		# Allow VNDK-SP extensions to use vendor libraries
		namespace.vndk.link.sphal.allow_all_shared_libs = true


		###############################################################################
		# Namespace config for vendor processes. In O, no restriction is enforced for
		# them. However, in O-MR1, access to /system/${LIB} will not be allowed to
		@@ -256,7 +288,7 @@ namespace.vndk.link.sphal.allow_all_shared_libs = true
		# (LL-NDK only) access.
		###############################################################################
		[vendor]
		additional.namespaces = system,vndk
		additional.namespaces = runtime,system,vndk

		###############################################################################
		# "default" namespace
		@@ -287,11 +319,23 @@ namespace.default.asan.permitted.paths += /odm
		namespace.default.asan.permitted.paths += /data/asan/vendor
		namespace.default.asan.permitted.paths += /vendor

		namespace.default.links = system,vndk
		namespace.default.links = runtime,system,vndk
		namespace.default.link.runtime.shared_libs = libc.so:libdl.so:libm.so
		namespace.default.link.system.shared_libs = %LLNDK_LIBRARIES%
		namespace.default.link.vndk.shared_libs = %VNDK_SAMEPROCESS_LIBRARIES%
		namespace.default.link.vndk.shared_libs += %VNDK_CORE_LIBRARIES%

		###############################################################################
		# "runtime" APEX namespace
		#
		# This namespace pulls in externally accessible libs from the Runtime APEX.
		###############################################################################
		namespace.runtime.isolated = true
		namespace.runtime.search.paths = /apex/com.android.runtime/${LIB}
		namespace.runtime.links = default
		# TODO(b/119867084): Restrict to Bionic dlopen dependencies.
		namespace.runtime.link.default.allow_all_shared_libs = true

		###############################################################################
		# "vndk" namespace
		#
		@@ -323,7 +367,10 @@ namespace.vndk.asan.search.paths += /system/${LIB}/vndk%VNDK_VER%
		# When these NDK libs are required inside this namespace, then it is redirected
		# to the system namespace. This is possible since their ABI is stable across
		# Android releases.
		namespace.vndk.links = system,default
		namespace.vndk.links = runtime,system,default

		namespace.vndk.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		namespace.vndk.link.system.shared_libs = %LLNDK_LIBRARIES%
		namespace.vndk.link.system.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%

		@@ -348,16 +395,36 @@ namespace.system.asan.search.paths += /%PRODUCT%/${LIB}
		namespace.system.asan.search.paths += /data/asan/product_services/${LIB}
		namespace.system.asan.search.paths += /%PRODUCT_SERVICES%/${LIB}

		namespace.system.links = runtime
		namespace.system.link.runtime.shared_libs = libc.so:libdl.so:libm.so


		###############################################################################
		# Namespace config for binaries under /postinstall.
		# Only one default namespace is defined and it has no directories other than
		# /system/lib in the search paths. This is because linker calls realpath on the
		# search paths and this causes selinux denial if the paths (/vendor, /odm) are
		# not allowed to the poinstall binaries. There is no reason to allow the
		# binaries to access the paths.
		# Only default and runtime namespaces are defined and default has no directories
		# other than /system/lib in the search paths. This is because linker calls
		# realpath on the search paths and this causes selinux denial if the paths
		# (/vendor, /odm) are not allowed to the postinstall binaries. There is no
		# reason to allow the binaries to access the paths.
		###############################################################################
		[postinstall]
		additional.namespaces = runtime

		namespace.default.isolated = false
		namespace.default.search.paths = /system/${LIB}
		namespace.default.search.paths += /%PRODUCT%/${LIB}
		namespace.default.search.paths += /%PRODUCT_SERVICES%/${LIB}

		namespace.default.links = runtime
		namespace.default.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		###############################################################################
		# "runtime" APEX namespace
		#
		# This namespace pulls in externally accessible libs from the Runtime APEX.
		###############################################################################
		namespace.runtime.isolated = true
		namespace.runtime.search.paths = /apex/com.android.runtime/${LIB}
		namespace.runtime.links = default
		# TODO(b/119867084): Restrict to Bionic dlopen dependencies.
		namespace.runtime.link.default.allow_all_shared_libs = true

rootdir/etc/ld.config.vndk_lite.txt

+74 −11

Original line number	Diff line number	Diff line
		@@ -28,7 +28,7 @@ dir.system = /data/benchmarktest64
		dir.postinstall = /postinstall

		[system]
		additional.namespaces = sphal,vndk,rs
		additional.namespaces = runtime,sphal,vndk,rs

		###############################################################################
		# "default" namespace
		@@ -55,6 +55,27 @@ namespace.default.asan.search.paths += /%PRODUCT%/${LIB}
		namespace.default.asan.search.paths += /data/asan/product_services/${LIB}
		namespace.default.asan.search.paths += /%PRODUCT_SERVICES%/${LIB}

		# Keep in sync with ld.config.txt in the com.android.runtime APEX.
		namespace.default.links = runtime
		namespace.default.link.runtime.shared_libs = libc.so:libdl.so:libm.so
		namespace.default.link.runtime.shared_libs += libart.so:libartd.so
		namespace.default.link.runtime.shared_libs += libnativehelper.so
		namespace.default.link.runtime.shared_libs += libnativeloader.so

		###############################################################################
		# "runtime" APEX namespace
		#
		# This namespace pulls in externally accessible libs from the Runtime APEX.
		###############################################################################
		namespace.runtime.isolated = true

		# Keep in sync with ld.config.txt in the com.android.runtime APEX.
		namespace.runtime.search.paths = /apex/com.android.runtime/${LIB}
		namespace.runtime.links = default
		# TODO(b/119867084): Restrict to Bionic dlopen dependencies and PALette library
		# when it exists.
		namespace.runtime.link.default.allow_all_shared_libs = true

		###############################################################################
		# "sphal" namespace
		#
		@@ -89,8 +110,12 @@ namespace.sphal.asan.permitted.paths += /vendor/${LIB}

		# Once in this namespace, access to libraries in /system/lib is restricted. Only
		# libs listed here can be used.
		namespace.sphal.links = default,vndk,rs
		namespace.sphal.links = runtime,default,vndk,rs

		namespace.sphal.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		# LLNDK_LIBRARIES includes the runtime libs above, but the order here ensures
		# that they are loaded from the runtime namespace.
		namespace.sphal.link.default.shared_libs = %LLNDK_LIBRARIES%
		namespace.sphal.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%

		@@ -137,7 +162,9 @@ namespace.rs.asan.permitted.paths += /data/asan/vendor/${LIB}
		namespace.rs.asan.permitted.paths += /vendor/${LIB}
		namespace.rs.asan.permitted.paths += /data

		namespace.rs.links = default,vndk
		namespace.rs.links = runtime,default,vndk

		namespace.rs.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		namespace.rs.link.default.shared_libs = %LLNDK_LIBRARIES%
		namespace.rs.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
		@@ -188,10 +215,14 @@ namespace.vndk.asan.permitted.paths += /system/${LIB}/vndk-sp%VNDK_VER
		# When these NDK libs are required inside this namespace, then it is redirected
		# to the default namespace. This is possible since their ABI is stable across
		# Android releases.
		namespace.vndk.links = default
		namespace.vndk.links = runtime,default

		namespace.vndk.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		namespace.vndk.link.default.shared_libs = %LLNDK_LIBRARIES%
		namespace.vndk.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%


		###############################################################################
		# Namespace config for vendor processes. In O, no restriction is enforced for
		# them. However, in O-MR1, access to /system/${LIB} will not be allowed to
		@@ -199,6 +230,7 @@ namespace.vndk.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
		# (LL-NDK only) access.
		###############################################################################
		[vendor]
		additional.namespaces = runtime
		namespace.default.isolated = false

		namespace.default.search.paths = /odm/${LIB}
		@@ -208,7 +240,7 @@ namespace.default.search.paths += /vendor/${LIB}
		namespace.default.search.paths += /vendor/${LIB}/vndk
		namespace.default.search.paths += /vendor/${LIB}/vndk-sp

		# Access to system libraries are allowed
		# Access to system libraries is allowed
		namespace.default.search.paths += /system/${LIB}/vndk%VNDK_VER%
		namespace.default.search.paths += /system/${LIB}/vndk-sp%VNDK_VER%
		namespace.default.search.paths += /system/${LIB}
		@@ -238,16 +270,47 @@ namespace.default.asan.search.paths += /%PRODUCT%/${LIB}
		namespace.default.asan.search.paths += /data/asan/product_services/${LIB}
		namespace.default.asan.search.paths += /%PRODUCT_SERVICES%/${LIB}

		namespace.default.links = runtime
		namespace.default.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		###############################################################################
		# "runtime" APEX namespace
		#
		# This namespace pulls in externally accessible libs from the Runtime APEX.
		###############################################################################
		namespace.runtime.isolated = true
		namespace.runtime.search.paths = /apex/com.android.runtime/${LIB}
		namespace.runtime.links = default
		# TODO(b/119867084): Restrict to Bionic dlopen dependencies.
		namespace.runtime.link.default.allow_all_shared_libs = true


		###############################################################################
		# Namespace config for binaries under /postinstall.
		# Only one default namespace is defined and it has no directories other than
		# /system/lib in the search paths. This is because linker calls realpath on the
		# search paths and this causes selinux denial if the paths (/vendor, /odm) are
		# not allowed to the poinstall binaries. There is no reason to allow the
		# binaries to access the paths.
		# Only default and runtime namespaces are defined and default has no directories
		# other than /system/lib in the search paths. This is because linker calls
		# realpath on the search paths and this causes selinux denial if the paths
		# (/vendor, /odm) are not allowed to the postinstall binaries. There is no
		# reason to allow the binaries to access the paths.
		###############################################################################
		[postinstall]
		additional.namespaces = runtime

		namespace.default.isolated = false
		namespace.default.search.paths = /system/${LIB}
		namespace.default.search.paths += /%PRODUCT%/${LIB}
		namespace.default.search.paths += /%PRODUCT_SERVICES%/${LIB}

		namespace.default.links = runtime
		namespace.default.link.runtime.shared_libs = libc.so:libdl.so:libm.so

		###############################################################################
		# "runtime" APEX namespace
		#
		# This namespace pulls in externally accessible libs from the Runtime APEX.
		###############################################################################
		namespace.runtime.isolated = true
		namespace.runtime.search.paths = /apex/com.android.runtime/${LIB}
		namespace.runtime.links = default
		# TODO(b/119867084): Restrict to Bionic dlopen dependencies.
		namespace.runtime.link.default.allow_all_shared_libs = true