platform_system_sepolicy/mediaserver.te
Riley Spahn 344fc109e9 Add access control for each service_manager action.
Add SELinux MAC for the service manager actions list
and find. Add the list and find verbs to the
service_manager class. Add policy requirements for
service_manager to enforce policies to binder_use
macro.

(cherry picked from commit b8511e0d98)

Change-Id: I980d4a8acf6a0c6e99a3a7905961eb5564b1be15
2014-07-15 10:09:52 -07:00

91 lines
3.1 KiB
Text

# mediaserver - multimedia daemon
type mediaserver, domain;
type mediaserver_exec, exec_type, file_type;
typeattribute mediaserver mlstrustedsubject;
net_domain(mediaserver)
init_daemon_domain(mediaserver)
unix_socket_connect(mediaserver, property, init)
r_dir_file(mediaserver, sdcard_type)
binder_use(mediaserver)
binder_call(mediaserver, binderservicedomain)
binder_call(mediaserver, appdomain)
binder_service(mediaserver)
allow mediaserver self:process execmem;
allow mediaserver kernel:system module_request;
allow mediaserver media_data_file:dir create_dir_perms;
allow mediaserver media_data_file:file create_file_perms;
allow mediaserver app_data_file:dir search;
allow mediaserver app_data_file:file rw_file_perms;
allow mediaserver sdcard_type:file write;
allow mediaserver gpu_device:chr_file rw_file_perms;
allow mediaserver video_device:dir r_dir_perms;
allow mediaserver video_device:chr_file rw_file_perms;
allow mediaserver audio_device:dir r_dir_perms;
allow mediaserver tee_device:chr_file rw_file_perms;
allow mediaserver audio_prop:property_service set;
# Access audio devices at all.
allow mediaserver audio_device:chr_file rw_file_perms;
# XXX Label with a specific type?
allow mediaserver sysfs:file rw_file_perms;
# Read resources from open apk files passed over Binder.
allow mediaserver apk_data_file:file { read getattr };
allow mediaserver asec_apk_file:file { read getattr };
# Read /data/data/com.android.providers.telephony files passed over Binder.
allow mediaserver radio_data_file:file { read getattr };
# Use pipes passed over Binder from app domains.
allow mediaserver appdomain:fifo_file { getattr read write };
# Access camera device.
allow mediaserver camera_device:chr_file rw_file_perms;
allow mediaserver rpmsg_device:chr_file rw_file_perms;
# Inter System processes communicate over named pipe (FIFO)
allow mediaserver system_server:fifo_file r_file_perms;
# Camera data
r_dir_file(mediaserver, camera_data_file)
r_dir_file(mediaserver, media_rw_data_file)
# Grant access to audio files to mediaserver
allow mediaserver audio_data_file:dir ra_dir_perms;
allow mediaserver audio_data_file:file create_file_perms;
# Read/[write] to /proc/net/xt_qtaguid/ctrl and /dev/xt_qtaguid
allow mediaserver qtaguid_proc:file rw_file_perms;
allow mediaserver qtaguid_device:chr_file r_file_perms;
# Allow abstract socket connection
allow mediaserver rild:unix_stream_socket { connectto read write setopt };
# Needed on some devices for playing DRM protected content,
# but seems expected and appropriate for all devices.
unix_socket_connect(mediaserver, drmserver, drmserver)
# Needed on some devices for playing audio on paired BT device,
# but seems appropriate for all devices.
unix_socket_connect(mediaserver, bluetooth, bluetooth)
# Connect to tee service.
allow mediaserver tee:unix_stream_socket connectto;
allow mediaserver mediaserver_service:service_manager add;
# Audited locally.
service_manager_local_audit_domain(mediaserver)
auditallow mediaserver {
service_manager_type
-drmserver_service
-mediaserver_service
-system_server_service
-surfaceflinger_service
}:service_manager find;