107 lines
4.1 KiB
Plaintext
107 lines
4.1 KiB
Plaintext
# Allow apps to read the Test Harness Mode property. This property is used in
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# the implementation of ActivityManager.isDeviceInTestHarnessMode()
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get_prop(appdomain, test_harness_prop)
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get_prop(appdomain, boot_status_prop)
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get_prop(appdomain, dalvik_config_prop)
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get_prop(appdomain, media_config_prop)
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get_prop(appdomain, packagemanager_config_prop)
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get_prop(appdomain, radio_control_prop)
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get_prop(appdomain, surfaceflinger_color_prop)
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get_prop(appdomain, systemsound_config_prop)
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get_prop(appdomain, telephony_config_prop)
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get_prop(appdomain, userspace_reboot_config_prop)
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get_prop(appdomain, vold_config_prop)
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get_prop(appdomain, adbd_config_prop)
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get_prop(appdomain, dck_prop)
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# Allow ART to be configurable via device_config properties
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# (ART "runs" inside the app process)
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get_prop(appdomain, device_config_runtime_native_prop)
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get_prop(appdomain, device_config_runtime_native_boot_prop)
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userdebug_or_eng(`perfetto_producer({ appdomain })')
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# Prevent apps from causing presubmit failures.
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# Apps can cause selinux denials by accessing CE storage
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# and/or external storage. In either case, the selinux denial is
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# not the cause of the failure, but just a symptom that
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# storage isn't ready. Many apps handle the failure appropriately.
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#
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# Apps cannot access external storage before it becomes available.
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dontaudit appdomain storage_stub_file:dir getattr;
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# Attempts to write to system_data_file is generally a sign
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# that apps are attempting to access encrypted storage before
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# the ACTION_USER_UNLOCKED intent is delivered. Apps are not
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# allowed to write to CE storage before it's available.
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# Attempting to do so will be blocked by both selinux and unix
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# permissions.
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dontaudit appdomain system_data_file:dir write;
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# Apps should not be reading vendor-defined properties.
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dontaudit appdomain vendor_default_prop:file read;
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# Access to /mnt/media_rw/<vol> (limited by DAC to apps with external_storage gid)
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allow appdomain mnt_media_rw_file:dir search;
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neverallow appdomain system_server:udp_socket {
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accept append bind create ioctl listen lock name_bind
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relabelfrom relabelto setattr shutdown };
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# Transition to a non-app domain.
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# Exception for the shell and su domains, can transition to runas, etc.
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# Exception for crash_dump to allow for app crash reporting.
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# Exception for renderscript binaries (/system/bin/bcc, /system/bin/ld.mc)
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# to allow renderscript to create privileged executable files.
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neverallow { appdomain -shell userdebug_or_eng(`-su') }
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{ domain -appdomain -crash_dump -rs }:process { transition };
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neverallow { appdomain -shell userdebug_or_eng(`-su') }
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{ domain -appdomain }:process { dyntransition };
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# Don't allow regular apps access to storage configuration properties.
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neverallow { appdomain -mediaprovider_app } storage_config_prop:file no_rw_file_perms;
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# Allow to read sendbug.preferred.domain
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get_prop(appdomain, sendbug_config_prop)
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# Allow to read graphics related properties.
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get_prop(appdomain, graphics_config_prop)
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# Allow to read persist.config.calibration_fac
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get_prop(appdomain, camera_calibration_prop)
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# Allow to read db.log.detailed, db.log.slow_query_threshold*
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get_prop(appdomain, sqlite_log_prop)
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# Allow font file read by apps.
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allow appdomain font_data_file:file r_file_perms;
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allow appdomain font_data_file:dir r_dir_perms;
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# Enter /data/misc/apexdata/
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allow appdomain apex_module_data_file:dir search;
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# Read /data/misc/apexdata/com.android.art, execute signed AOT artifacts.
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allow appdomain apex_art_data_file:dir r_dir_perms;
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allow appdomain apex_art_data_file:file rx_file_perms;
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# Allow access to tombstones if an fd to one is given to you.
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# This is restricted by unix permissions, so an app must go through system_server to get one.
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allow appdomain tombstone_data_file:file { getattr read };
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neverallow appdomain tombstone_data_file:file ~{ getattr read };
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# Sensitive app domains are not allowed to execute from /data
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# to prevent persistence attacks and ensure all code is executed
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# from read-only locations.
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neverallow {
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bluetooth
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isolated_app
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nfc
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radio
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shared_relro
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system_app
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} {
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data_file_type
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-apex_art_data_file
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-dalvikcache_data_file
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-system_data_file # shared libs in apks
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-apk_data_file
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}:file no_x_file_perms;
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