| ### |
| ### Untrusted_app_all. |
| ### |
| ### This file defines the rules shared by all untrusted app domains. |
| ### Apps are labeled based on mac_permissions.xml (maps signer and |
| ### optionally package name to seinfo value) and seapp_contexts (maps UID |
| ### and optionally seinfo value to domain for process and type for data |
| ### directory). The untrusted_app_all attribute is assigned to all default |
| ### seapp_contexts for any app with UID between APP_AID (10000) |
| ### and AID_ISOLATED_START (99000) if the app has no specific seinfo |
| ### value as determined from mac_permissions.xml. In current AOSP, this |
| ### attribute is assigned to all non-system apps as well as to any system apps |
| ### that are not signed by the platform key. To move |
| ### a system app into a specific domain, add a signer entry for it to |
| ### mac_permissions.xml and assign it one of the pre-existing seinfo values |
| ### or define and use a new seinfo value in both mac_permissions.xml and |
| ### seapp_contexts. |
| ### |
| |
| # Legacy text relocations |
| allow untrusted_app_all apk_data_file:file execmod; |
| |
| # Some apps ship with shared libraries and binaries that they write out |
| # to their sandbox directory and then execute. |
| allow untrusted_app_all app_data_file:file { rx_file_perms execmod }; |
| |
| # ASEC |
| allow untrusted_app_all asec_apk_file:file r_file_perms; |
| allow untrusted_app_all asec_apk_file:dir r_dir_perms; |
| # Execute libs in asec containers. |
| allow untrusted_app_all asec_public_file:file { execute execmod }; |
| |
| # Used by Finsky / Android "Verify Apps" functionality when |
| # running "adb install foo.apk". |
| # TODO: Long term, we don't want apps probing into shell data files. |
| # Figure out a way to remove these rules. |
| allow untrusted_app_all shell_data_file:file r_file_perms; |
| allow untrusted_app_all shell_data_file:dir r_dir_perms; |
| |
| # Read and write system app data files passed over Binder. |
| # Motivating case was /data/data/com.android.settings/cache/*.jpg for |
| # cropping or taking user photos. |
| allow untrusted_app_all system_app_data_file:file { read write getattr }; |
| |
| # |
| # Rules migrated from old app domains coalesced into untrusted_app. |
| # This includes what used to be media_app, shared_app, and release_app. |
| # |
| |
| # Access to /data/media. |
| allow untrusted_app_all media_rw_data_file:dir create_dir_perms; |
| allow untrusted_app_all media_rw_data_file:file create_file_perms; |
| |
| # Traverse into /mnt/media_rw for bypassing FUSE daemon |
| # TODO: narrow this to just MediaProvider |
| allow untrusted_app_all mnt_media_rw_file:dir search; |
| |
| # allow cts to query all services |
| allow untrusted_app_all servicemanager:service_manager list; |
| |
| allow untrusted_app_all audioserver_service:service_manager find; |
| allow untrusted_app_all cameraserver_service:service_manager find; |
| allow untrusted_app_all drmserver_service:service_manager find; |
| allow untrusted_app_all mediaserver_service:service_manager find; |
| allow untrusted_app_all mediaextractor_service:service_manager find; |
| allow untrusted_app_all mediacodec_service:service_manager find; |
| allow untrusted_app_all mediametrics_service:service_manager find; |
| allow untrusted_app_all mediadrmserver_service:service_manager find; |
| allow untrusted_app_all mediacasserver_service:service_manager find; |
| allow untrusted_app_all nfc_service:service_manager find; |
| allow untrusted_app_all radio_service:service_manager find; |
| allow untrusted_app_all surfaceflinger_service:service_manager find; |
| allow untrusted_app_all app_api_service:service_manager find; |
| allow untrusted_app_all vr_manager_service:service_manager find; |
| |
| # Allow GMS core to access perfprofd output, which is stored |
| # in /data/misc/perfprofd/. GMS core will need to list all |
| # data stored in that directory to process them one by one. |
| userdebug_or_eng(` |
| allow untrusted_app_all perfprofd_data_file:file r_file_perms; |
| allow untrusted_app_all perfprofd_data_file:dir r_dir_perms; |
| ') |
| |
| # gdbserver for ndk-gdb ptrace attaches to app process. |
| allow untrusted_app_all self:process ptrace; |
| |
| # Cts: HwRngTest |
| allow untrusted_app_all sysfs_hwrandom:dir search; |
| allow untrusted_app_all sysfs_hwrandom:file r_file_perms; |
| |
| # Allow apps to view preloaded content |
| allow untrusted_app_all preloads_data_file:dir r_dir_perms; |
| allow untrusted_app_all preloads_data_file:file r_file_perms; |