public/attributes - platform/system/sepolicy - Git at Google

 ######################################
 # Attribute declarations
 #

 # All types used for devices.
 # On change, update CHECK_FC_ASSERT_ATTRS
 # in tools/checkfc.c
 attribute dev_type;

 # All types used for processes.
 attribute domain;

 # All types used for filesystems.
 # On change, update CHECK_FC_ASSERT_ATTRS
 # definition in tools/checkfc.c.
 attribute fs_type;

 # All types used for context= mounts.
 attribute contextmount_type;

 # All types used for files that can exist on a labeled fs.
 # Do not use for pseudo file types.
 # On change, update CHECK_FC_ASSERT_ATTRS
 # definition in tools/checkfc.c.
 attribute file_type;

 # All types used for domain entry points.
 attribute exec_type;

 # All types used for /data files.
 attribute data_file_type;
 expandattribute data_file_type false;
 # All types in /data, not in /data/vendor
 attribute core_data_file_type;
 expandattribute core_data_file_type false;

 # All types in /system
 attribute system_file_type;

 # All types in /vendor
 attribute vendor_file_type;

 # All types used for procfs files.
 attribute proc_type;
 expandattribute proc_type false;

 # Types in /proc/net, excluding qtaguid types.
 # TODO(b/9496886) Lock down access to /proc/net.
 # This attribute is used to audit access to proc_net. it is temporary and will
 # be removed.
 attribute proc_net_type;
 expandattribute proc_net_type true;

 # All types used for sysfs files.
 attribute sysfs_type;

 # All types use for debugfs files.
 attribute debugfs_type;

 # Attribute used for all sdcards
 attribute sdcard_type;

 # All types used for nodes/hosts.
 attribute node_type;

 # All types used for network interfaces.
 attribute netif_type;

 # All types used for network ports.
 attribute port_type;

 # All types used for property service
 # On change, update CHECK_PC_ASSERT_ATTRS
 # definition in tools/checkfc.c.
 attribute property_type;

 # All properties defined in core SELinux policy. Should not be
 # used by device specific properties
 attribute core_property_type;

 # All properties used to configure log filtering.
 attribute log_property_type;

 # All properties that are not specific to device but are added from
 # outside of AOSP. (e.g. OEM-specific properties)
 # These properties are not accessible from device-specific domains
 attribute extended_core_property_type;

 # All service_manager types created by system_server
 attribute system_server_service;

 # services which should be available to all but isolated apps
 attribute app_api_service;

 # services which should be available to all ephemeral apps
 attribute ephemeral_app_api_service;

 # services which export only system_api
 attribute system_api_service;

 # All types used for services managed by servicemanager.
 # On change, update CHECK_SC_ASSERT_ATTRS
 # definition in tools/checkfc.c.
 attribute service_manager_type;

 # All types used for services managed by hwservicemanager
 attribute hwservice_manager_type;

 # All HwBinder services guaranteed to be passthrough. These services always run
 # in the process of their clients, and thus operate with the same access as
 # their clients.
 attribute same_process_hwservice;

 # All HwBinder services guaranteed to be offered only by core domain components
 attribute coredomain_hwservice;

 # All types used for services managed by vndservicemanager
 attribute vndservice_manager_type;


 # All domains that can override MLS restrictions.
 # i.e. processes that can read up and write down.
 attribute mlstrustedsubject;

 # All types that can override MLS restrictions.
 # i.e. files that can be read by lower and written by higher
 attribute mlstrustedobject;

 # All domains used for apps.
 attribute appdomain;

 # All third party apps.
 attribute untrusted_app_all;

 # All domains used for apps with network access.
 attribute netdomain;

 # All domains used for apps with bluetooth access.
 attribute bluetoothdomain;

 # All domains used for binder service domains.
 attribute binderservicedomain;

 # update_engine related domains that need to apply an update and run
 # postinstall. This includes the background daemon and the sideload tool from
 # recovery for A/B devices.
 attribute update_engine_common;

 # All core domains (as opposed to vendor/device-specific domains)
 attribute coredomain;

 # All socket devices owned by core domain components
 attribute coredomain_socket;
 expandattribute coredomain_socket false;

 # All vendor domains which violate the requirement of not using Binder
 # TODO(b/35870313): Remove this once there are no violations
 attribute binder_in_vendor_violators;
 expandattribute binder_in_vendor_violators false;

 # All vendor domains which violate the requirement of not using sockets for
 # communicating with core components
 # TODO(b/36577153): Remove this once there are no violations
 attribute socket_between_core_and_vendor_violators;
 expandattribute socket_between_core_and_vendor_violators false;

 # All vendor domains which violate the requirement of not executing
 # system processes
 # TODO(b/36463595)
 attribute vendor_executes_system_violators;
 expandattribute vendor_executes_system_violators false;

 # All domains which violate the requirement of not sharing files by path
 # between between vendor and core domains.
 # TODO(b/34980020)
 attribute data_between_core_and_vendor_violators;
 expandattribute data_between_core_and_vendor_violators false;

 # All system domains which violate the requirement of not executing vendor
 # binaries/libraries.
 # TODO(b/62041836)
 attribute system_executes_vendor_violators;
 expandattribute system_executes_vendor_violators false;

 # All system domains which violate the requirement of not writing vendor
 # properties.
 # TODO(b/78598545): Remove this once there are no violations
 attribute system_writes_vendor_properties_violators;
 expandattribute system_writes_vendor_properties_violators false;

 # All system domains which violate the requirement of not writing to
 # /mnt/vendor/*. Must not be used on devices launched with P or later.
 attribute system_writes_mnt_vendor_violators;
 expandattribute system_writes_mnt_vendor_violators false;

 # hwservices that are accessible from untrusted applications
 # WARNING: Use of this attribute should be avoided unless
 # absolutely necessary.  It is a temporary allowance to aid the
 # transition to treble and will be removed in a future platform
 # version, requiring all hwservices that are labeled with this
 # attribute to be submitted to AOSP in order to maintain their
 # app-visibility.
 attribute untrusted_app_visible_hwservice_violators;
 expandattribute untrusted_app_visible_hwservice_violators false;

 # halserver domains that are accessible to untrusted applications.  These
 # domains are typically those hosting  hwservices attributed by the
 # untrusted_app_visible_hwservice_violators.
 # WARNING: Use of this attribute should be avoided unless absolutely necessary.
 # It is a temporary allowance to aid the transition to treble and will be
 # removed in the future platform version, requiring all halserver domains that
 # are labeled with this attribute to be submitted to AOSP in order to maintain
 # their app-visibility.
 attribute untrusted_app_visible_halserver_violators;
 expandattribute untrusted_app_visible_halserver_violators false;

 # PDX services
 attribute pdx_endpoint_dir_type;
 attribute pdx_endpoint_socket_type;
 expandattribute pdx_endpoint_socket_type false;
 attribute pdx_channel_socket_type;
 expandattribute pdx_channel_socket_type false;

 pdx_service_attributes(display_client)
 pdx_service_attributes(display_manager)
 pdx_service_attributes(display_screenshot)
 pdx_service_attributes(display_vsync)
 pdx_service_attributes(performance_client)
 pdx_service_attributes(bufferhub_client)

 # All HAL servers
 attribute halserverdomain;
 # All HAL clients
 attribute halclientdomain;
 expandattribute halclientdomain true;

 # Exempt for halserverdomain to access sockets. Only builds for automotive
 # device types are allowed to use this attribute (enforced by CTS).
 # Unlike phone, in a car many modules are external from Android perspective and
 # HALs should be able to communicate with those devices through sockets.
 attribute hal_automotive_socket_exemption;

 # HALs
 hal_attribute(allocator);
 hal_attribute(atrace);
 hal_attribute(audio);
 hal_attribute(audiocontrol);
 hal_attribute(authsecret);
 hal_attribute(bluetooth);
 hal_attribute(bootctl);
 hal_attribute(bufferhub);
 hal_attribute(broadcastradio);
 hal_attribute(camera);
 hal_attribute(cas);
 hal_attribute(codec2);
 hal_attribute(configstore);
 hal_attribute(confirmationui);
 hal_attribute(contexthub);
 hal_attribute(drm);
 hal_attribute(dumpstate);
 hal_attribute(evs);
 hal_attribute(face);
 hal_attribute(fingerprint);
 hal_attribute(gatekeeper);
 hal_attribute(gnss);
 hal_attribute(graphics_allocator);
 hal_attribute(graphics_composer);
 hal_attribute(health);
 hal_attribute(health_storage);
 hal_attribute(input_classifier);
 hal_attribute(ir);
 hal_attribute(keymaster);
 hal_attribute(light);
 hal_attribute(lowpan);
 hal_attribute(memtrack);
 hal_attribute(neuralnetworks);
 hal_attribute(nfc);
 hal_attribute(oemlock);
 hal_attribute(omx);
 hal_attribute(power);
 hal_attribute(power_stats);
 hal_attribute(secure_element);
 hal_attribute(sensors);
 hal_attribute(telephony);
 hal_attribute(tetheroffload);
 hal_attribute(thermal);
 hal_attribute(tv_cec);
 hal_attribute(tv_input);
 hal_attribute(usb);
 hal_attribute(usb_gadget);
 hal_attribute(vehicle);
 hal_attribute(vibrator);
 hal_attribute(vr);
 hal_attribute(weaver);
 hal_attribute(wifi);
 hal_attribute(wifi_hostapd);
 hal_attribute(wifi_offload);
 hal_attribute(wifi_supplicant);

 # HwBinder services offered across the core-vendor boundary
 #
 # We annotate server domains with x_server  to loosen the coupling between
 # system and vendor images. For example, it should be possible to move a service
 # from one core domain to another, without having to update the vendor image
 # which contains clients of this service.

 attribute camera_service_server;
 attribute display_service_server;
 attribute scheduler_service_server;
 attribute sensor_service_server;
 attribute stats_service_server;
 attribute system_suspend_server;
 attribute wifi_keystore_service_server;

 # All types used for super partition block devices.
 attribute super_block_device_type;
	######################################
	# Attribute declarations
	#

	# All types used for devices.
	# On change, update CHECK_FC_ASSERT_ATTRS
	# in tools/checkfc.c
	attribute dev_type;

	# All types used for processes.
	attribute domain;

	# All types used for filesystems.
	# On change, update CHECK_FC_ASSERT_ATTRS
	# definition in tools/checkfc.c.
	attribute fs_type;

	# All types used for context= mounts.
	attribute contextmount_type;

	# All types used for files that can exist on a labeled fs.
	# Do not use for pseudo file types.
	# On change, update CHECK_FC_ASSERT_ATTRS
	# definition in tools/checkfc.c.
	attribute file_type;

	# All types used for domain entry points.
	attribute exec_type;

	# All types used for /data files.
	attribute data_file_type;
	expandattribute data_file_type false;
	# All types in /data, not in /data/vendor
	attribute core_data_file_type;
	expandattribute core_data_file_type false;

	# All types in /system
	attribute system_file_type;

	# All types in /vendor
	attribute vendor_file_type;

	# All types used for procfs files.
	attribute proc_type;
	expandattribute proc_type false;

	# Types in /proc/net, excluding qtaguid types.
	# TODO(b/9496886) Lock down access to /proc/net.
	# This attribute is used to audit access to proc_net. it is temporary and will
	# be removed.
	attribute proc_net_type;
	expandattribute proc_net_type true;

	# All types used for sysfs files.
	attribute sysfs_type;

	# All types use for debugfs files.
	attribute debugfs_type;

	# Attribute used for all sdcards
	attribute sdcard_type;

	# All types used for nodes/hosts.
	attribute node_type;

	# All types used for network interfaces.
	attribute netif_type;

	# All types used for network ports.
	attribute port_type;

	# All types used for property service
	# On change, update CHECK_PC_ASSERT_ATTRS
	# definition in tools/checkfc.c.
	attribute property_type;

	# All properties defined in core SELinux policy. Should not be
	# used by device specific properties
	attribute core_property_type;

	# All properties used to configure log filtering.
	attribute log_property_type;

	# All properties that are not specific to device but are added from
	# outside of AOSP. (e.g. OEM-specific properties)
	# These properties are not accessible from device-specific domains
	attribute extended_core_property_type;

	# All service_manager types created by system_server
	attribute system_server_service;

	# services which should be available to all but isolated apps
	attribute app_api_service;

	# services which should be available to all ephemeral apps
	attribute ephemeral_app_api_service;

	# services which export only system_api
	attribute system_api_service;

	# All types used for services managed by servicemanager.
	# On change, update CHECK_SC_ASSERT_ATTRS
	# definition in tools/checkfc.c.
	attribute service_manager_type;

	# All types used for services managed by hwservicemanager
	attribute hwservice_manager_type;

	# All HwBinder services guaranteed to be passthrough. These services always run
	# in the process of their clients, and thus operate with the same access as
	# their clients.
	attribute same_process_hwservice;

	# All HwBinder services guaranteed to be offered only by core domain components
	attribute coredomain_hwservice;

	# All types used for services managed by vndservicemanager
	attribute vndservice_manager_type;


	# All domains that can override MLS restrictions.
	# i.e. processes that can read up and write down.
	attribute mlstrustedsubject;

	# All types that can override MLS restrictions.
	# i.e. files that can be read by lower and written by higher
	attribute mlstrustedobject;

	# All domains used for apps.
	attribute appdomain;

	# All third party apps.
	attribute untrusted_app_all;

	# All domains used for apps with network access.
	attribute netdomain;

	# All domains used for apps with bluetooth access.
	attribute bluetoothdomain;

	# All domains used for binder service domains.
	attribute binderservicedomain;

	# update_engine related domains that need to apply an update and run
	# postinstall. This includes the background daemon and the sideload tool from
	# recovery for A/B devices.
	attribute update_engine_common;

	# All core domains (as opposed to vendor/device-specific domains)
	attribute coredomain;

	# All socket devices owned by core domain components
	attribute coredomain_socket;
	expandattribute coredomain_socket false;

	# All vendor domains which violate the requirement of not using Binder
	# TODO(b/35870313): Remove this once there are no violations
	attribute binder_in_vendor_violators;
	expandattribute binder_in_vendor_violators false;

	# All vendor domains which violate the requirement of not using sockets for
	# communicating with core components
	# TODO(b/36577153): Remove this once there are no violations
	attribute socket_between_core_and_vendor_violators;
	expandattribute socket_between_core_and_vendor_violators false;

	# All vendor domains which violate the requirement of not executing
	# system processes
	# TODO(b/36463595)
	attribute vendor_executes_system_violators;
	expandattribute vendor_executes_system_violators false;

	# All domains which violate the requirement of not sharing files by path
	# between between vendor and core domains.
	# TODO(b/34980020)
	attribute data_between_core_and_vendor_violators;
	expandattribute data_between_core_and_vendor_violators false;

	# All system domains which violate the requirement of not executing vendor
	# binaries/libraries.
	# TODO(b/62041836)
	attribute system_executes_vendor_violators;
	expandattribute system_executes_vendor_violators false;

	# All system domains which violate the requirement of not writing vendor
	# properties.
	# TODO(b/78598545): Remove this once there are no violations
	attribute system_writes_vendor_properties_violators;
	expandattribute system_writes_vendor_properties_violators false;

	# All system domains which violate the requirement of not writing to
	# /mnt/vendor/*. Must not be used on devices launched with P or later.
	attribute system_writes_mnt_vendor_violators;
	expandattribute system_writes_mnt_vendor_violators false;

	# hwservices that are accessible from untrusted applications
	# WARNING: Use of this attribute should be avoided unless
	# absolutely necessary. It is a temporary allowance to aid the
	# transition to treble and will be removed in a future platform
	# version, requiring all hwservices that are labeled with this
	# attribute to be submitted to AOSP in order to maintain their
	# app-visibility.
	attribute untrusted_app_visible_hwservice_violators;
	expandattribute untrusted_app_visible_hwservice_violators false;

	# halserver domains that are accessible to untrusted applications. These
	# domains are typically those hosting hwservices attributed by the
	# untrusted_app_visible_hwservice_violators.
	# WARNING: Use of this attribute should be avoided unless absolutely necessary.
	# It is a temporary allowance to aid the transition to treble and will be
	# removed in the future platform version, requiring all halserver domains that
	# are labeled with this attribute to be submitted to AOSP in order to maintain
	# their app-visibility.
	attribute untrusted_app_visible_halserver_violators;
	expandattribute untrusted_app_visible_halserver_violators false;

	# PDX services
	attribute pdx_endpoint_dir_type;
	attribute pdx_endpoint_socket_type;
	expandattribute pdx_endpoint_socket_type false;
	attribute pdx_channel_socket_type;
	expandattribute pdx_channel_socket_type false;

	pdx_service_attributes(display_client)
	pdx_service_attributes(display_manager)
	pdx_service_attributes(display_screenshot)
	pdx_service_attributes(display_vsync)
	pdx_service_attributes(performance_client)
	pdx_service_attributes(bufferhub_client)

	# All HAL servers
	attribute halserverdomain;
	# All HAL clients
	attribute halclientdomain;
	expandattribute halclientdomain true;

	# Exempt for halserverdomain to access sockets. Only builds for automotive
	# device types are allowed to use this attribute (enforced by CTS).
	# Unlike phone, in a car many modules are external from Android perspective and
	# HALs should be able to communicate with those devices through sockets.
	attribute hal_automotive_socket_exemption;

	# HALs
	hal_attribute(allocator);
	hal_attribute(atrace);
	hal_attribute(audio);
	hal_attribute(audiocontrol);
	hal_attribute(authsecret);
	hal_attribute(bluetooth);
	hal_attribute(bootctl);
	hal_attribute(bufferhub);
	hal_attribute(broadcastradio);
	hal_attribute(camera);
	hal_attribute(cas);
	hal_attribute(codec2);
	hal_attribute(configstore);
	hal_attribute(confirmationui);
	hal_attribute(contexthub);
	hal_attribute(drm);
	hal_attribute(dumpstate);
	hal_attribute(evs);
	hal_attribute(face);
	hal_attribute(fingerprint);
	hal_attribute(gatekeeper);
	hal_attribute(gnss);
	hal_attribute(graphics_allocator);
	hal_attribute(graphics_composer);
	hal_attribute(health);
	hal_attribute(health_storage);
	hal_attribute(input_classifier);
	hal_attribute(ir);
	hal_attribute(keymaster);
	hal_attribute(light);
	hal_attribute(lowpan);
	hal_attribute(memtrack);
	hal_attribute(neuralnetworks);
	hal_attribute(nfc);
	hal_attribute(oemlock);
	hal_attribute(omx);
	hal_attribute(power);
	hal_attribute(power_stats);
	hal_attribute(secure_element);
	hal_attribute(sensors);
	hal_attribute(telephony);
	hal_attribute(tetheroffload);
	hal_attribute(thermal);
	hal_attribute(tv_cec);
	hal_attribute(tv_input);
	hal_attribute(usb);
	hal_attribute(usb_gadget);
	hal_attribute(vehicle);
	hal_attribute(vibrator);
	hal_attribute(vr);
	hal_attribute(weaver);
	hal_attribute(wifi);
	hal_attribute(wifi_hostapd);
	hal_attribute(wifi_offload);
	hal_attribute(wifi_supplicant);

	# HwBinder services offered across the core-vendor boundary
	#
	# We annotate server domains with x_server to loosen the coupling between
	# system and vendor images. For example, it should be possible to move a service
	# from one core domain to another, without having to update the vendor image
	# which contains clients of this service.

	attribute camera_service_server;
	attribute display_service_server;
	attribute scheduler_service_server;
	attribute sensor_service_server;
	attribute stats_service_server;
	attribute system_suspend_server;
	attribute wifi_keystore_service_server;

	# All types used for super partition block devices.
	attribute super_block_device_type;