android_system_sepolicy/public/platform_app.te
dcashman cc39f63773 Split general policy into public and private components.
Divide policy into public and private components.  This is the first
step in splitting the policy creation for platform and non-platform
policies.  The policy in the public directory will be exported for use
in non-platform policy creation.  Backwards compatibility with it will
be achieved by converting the exported policy into attribute-based
policy when included as part of the non-platform policy and a mapping
file will be maintained to be included with the platform policy that
maps exported attributes of previous versions to the current platform
version.

Eventually we would like to create a clear interface between the
platform and non-platform device components so that the exported policy,
and the need for attributes is minimal.  For now, almost all types and
avrules are left in public.

Test: Tested by building policy and running on device.

Change-Id: Idef796c9ec169259787c3f9d8f423edf4ce27f8c
2016-10-06 13:09:06 -07:00

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###
### Apps signed with the platform key.
###
type platform_app, domain, domain_deprecated;
app_domain(platform_app)
# Access the network.
net_domain(platform_app)
# Access bluetooth.
bluetooth_domain(platform_app)
# Read from /data/local/tmp or /data/data/com.android.shell.
allow platform_app shell_data_file:dir search;
allow platform_app shell_data_file:file { open getattr read };
allow platform_app icon_file:file { open getattr read };
# Populate /data/app/vmdl*.tmp, /data/app-private/vmdl*.tmp files
# created by system server.
allow platform_app { apk_tmp_file apk_private_tmp_file }:dir rw_dir_perms;
allow platform_app { apk_tmp_file apk_private_tmp_file }:file rw_file_perms;
allow platform_app apk_private_data_file:dir search;
# ASEC
allow platform_app asec_apk_file:dir create_dir_perms;
allow platform_app asec_apk_file:file create_file_perms;
# Access to /data/media.
allow platform_app media_rw_data_file:dir create_dir_perms;
allow platform_app media_rw_data_file:file create_file_perms;
# Write to /cache.
allow platform_app { cache_file cache_recovery_file }:dir create_dir_perms;
allow platform_app { cache_file cache_recovery_file }:file create_file_perms;
# Likely not needed
auditallow platform_app cache_recovery_file:dir create_dir_perms;
auditallow platform_app cache_recovery_file:file create_file_perms;
# Direct access to vold-mounted storage under /mnt/media_rw
# This is a performance optimization that allows platform apps to bypass the FUSE layer
allow platform_app mnt_media_rw_file:dir r_dir_perms;
allow platform_app vfat:dir create_dir_perms;
allow platform_app vfat:file create_file_perms;
allow platform_app audioserver_service:service_manager find;
allow platform_app cameraserver_service:service_manager find;
allow platform_app drmserver_service:service_manager find;
allow platform_app mediaserver_service:service_manager find;
allow platform_app mediaextractor_service:service_manager find;
allow platform_app mediacodec_service:service_manager find;
allow platform_app mediadrmserver_service:service_manager find;
allow platform_app persistent_data_block_service:service_manager find;
allow platform_app radio_service:service_manager find;
allow platform_app surfaceflinger_service:service_manager find;
allow platform_app app_api_service:service_manager find;
allow platform_app system_api_service:service_manager find;
allow platform_app vr_manager_service:service_manager find;
# Access to /data/preloads
allow platform_app preloads_data_file:file r_file_perms;
allow platform_app preloads_data_file:dir r_dir_perms;