platform_system_sepolicy/private/isolated_compute_app.te
Charles Chen 3e9f05faa3 Extension of isolated_compute_app for media services.
Support media use cases in isolated_compute_app such as decoding with MediaCodecs.

Bug:266943251
Test: m &&  manual - sample app with IsolatedProcess=True can use MediaCodec.

Change-Id: I864dcfb16494efada2fbd2a7d34b5d7f6b8128cb
2023-02-08 15:48:25 -08:00

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###
### isolated_compute_apps.
###
### This file defines the rules for isolated apps that requires the permission
### to gather data with service manager and require computational resources to
### improve the performance to process data under a sandbox. This
### isolated_compute_app restricts data egress to protect the privacy.
###
### TODO(b/266923392): Clean rules for isolated_compute_app characteristics
###
type isolated_compute_app, domain;
typeattribute isolated_compute_app coredomain;
app_domain(isolated_compute_app)
isolated_app_domain(isolated_compute_app)
allow isolated_compute_app audioserver_service:service_manager find;
allow isolated_compute_app cameraserver_service:service_manager find;
allow isolated_compute_app content_capture_service:service_manager find;
allow isolated_compute_app device_state_service:service_manager find;
allow isolated_compute_app speech_recognition_service:service_manager find;
allow isolated_compute_app mediaserver_service:service_manager find;
# Enable access to hardware services for camera functionalilites
hal_client_domain(isolated_compute_app, hal_allocator)
hwbinder_use(isolated_compute_app)
allow isolated_compute_app dmabuf_system_heap_device:chr_file r_file_perms;
# Allow access to network sockets received over IPC. New socket creation is not
# permitted.
allow isolated_compute_app { ephemeral_app priv_app untrusted_app_all }:{ tcp_socket udp_socket } { rw_socket_perms_no_ioctl };
#####
##### Neverallow
#####
# Do not allow isolated_compute_app to access hardware service except for the
# ones necessary for camera service.
# TODO (b/266555480): The permission should be guarded by compliance test.
# Remove the negation for member domains when refactorization is done.
# neverallow isolated_compute_app {
# hwservice_manager_type
# -hal_graphics_allocator_hwservice
# -hal_graphics_mapper_hwservice
# -hidl_allocator_hwservice
# -hidl_manager_hwservice
# -hidl_memory_hwservice
# }:hwservice_manager *;