common/wfdservice.te

type wfdservice, domain;
type wfdservice_exec, exec_type, file_type;

#Allow for transition from init domain to wfdservice
init_daemon_domain(wfdservice)

#Inherit base socket permissions from netd domain
net_domain(wfdservice)

#Allow wfdservice to use Binder IPC
binder_use(wfdservice)

#Allow for interaction with Display HAL
binder_call(wfdservice, surfaceflinger)
binder_call(surfaceflinger, wfdservice)

#Allow apps to interact with wfdservice
binder_call(wfdservice, platform_app)
binder_call(platform_app, wfdservice)
binder_call(wfdservice, system_app)
binder_call(system_app, wfdservice)

#Allow access to Audio Flinger APIs
binder_call(wfdservice, mediaserver)

#Allow access to Permission Controller in System Server
binder_call(wfdservice, system_server)

# Mark wfdservice as a Binder service domain
binder_service(wfdservice)

#Allow wfdservice to be registered with service manager
allow wfdservice wfdservice_service:service_manager add;

#Allow access to PCM sound card
allow wfdservice audio_device:chr_file rw_file_perms;
allow wfdservice audio_device:dir r_dir_perms;

#Allow access to /dev/graphics/fb* for screen capture
allow wfdservice graphics_device:chr_file rw_file_perms;

#Allow communication with init over property server
unix_socket_connect(wfdservice, property, init);

#Allow access to /dev/video/* devices for encoding/decoding
allow wfdservice video_device:chr_file rw_file_perms;
allow wfdservice video_device:dir r_dir_perms;

#Allow access to tee device for HDCP sessions
allow wfdservice tee_device:chr_file rw_file_perms;

#Allow access to uhid driver for HID event injection
allow wfdservice uhid_device:chr_file rw_file_perms;

#Allow PROT_EXEC for 3rd party library loaded by wfdservice
allow wfdservice self:process execmem;

userdebug_or_eng(`
#Allow access to read mmosal_logmask file in /data partition
  allow wfdservice system_data_file:file r_file_perms;
#Allow access to dump encoder/decoder dumps in /data/misc/media
  allow wfdservice media_data_file:dir w_dir_perms;
  allow wfdservice media_data_file:file create_file_perms;
')

#Allow access to firmware files for HDCP session
r_dir_file(wfdservice, firmware_file)

#Allow access to /data/media for dumping
allow wfdservice media_rw_data_file:dir create_dir_perms;
allow wfdservice media_rw_data_file:file create_file_perms;

#allow access to sysfs to know HDMI repeater state
allow wfdservice sysfs_graphics:file rw_file_perms;
allow wfdservice self:netlink_kobject_uevent_socket create_socket_perms;

# Allow it to use perflock
allow wfdservice mpctl_socket:dir r_dir_perms;
allow wfdservice dpmservice:service_manager add;
unix_socket_send(wfdservice, mpctl, perfd)
unix_socket_connect(wfdservice, mpctl, perfd)
unix_socket_send(wfdservice, mpctl, mpdecision)
unix_socket_connect(wfdservice, mpctl, mpdecision)

# Allow access to input_device for touch input detection
allow wfdservice input_device:dir r_dir_perms;
allow wfdservice input_device:chr_file r_file_perms;

# Allow access to mediaserver, surfaceflinger and permissionmanager
# for interaction of wfdservice
allow wfdservice {mediaserver_service permission_service surfaceflinger_service wfdservice_service}: service_manager find;

#Allow setting of net_admin capability so that libnl API's can be used
allow wfdservice self:capability net_admin;