android_system_sepolicy/public/radio.te
William Roberts 606d2fd665 te_macros: introduce add_service() macro
Introduce the add_service() macro which wraps up add/find
permissions for the source domain with a neverallow preventing
others from adding it. Only a particular domain should
add a particular service.

Use the add_service() macro to automatically add a neverallow
that prevents other domains from adding the service.

mediadrmserver was adding services labeled mediaserver_service.
Drop the add permission as it should just need the find
permission.

Additionally, the macro adds the { add find } permission which
causes some existing neverallow's to assert. Adjust those
neverallow's so "self" can always find.

Test: compile and run on hikey and emulator. No new denials were
found, and all services, where applicable, seem to be running OK.

Change-Id: Ibbd2a5304edd5f8b877bc86852b0694732be993c
Signed-off-by: William Roberts <william.c.roberts@intel.com>
2017-01-26 04:43:16 +00:00

41 lines
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# phone subsystem
type radio, domain, domain_deprecated, mlstrustedsubject;
net_domain(radio)
bluetooth_domain(radio)
binder_service(radio)
# Talks to rild via the rild socket.
unix_socket_connect(radio, rild, rild)
# Data file accesses.
allow radio radio_data_file:dir create_dir_perms;
allow radio radio_data_file:notdevfile_class_set create_file_perms;
allow radio alarm_device:chr_file rw_file_perms;
allow radio net_data_file:dir search;
allow radio net_data_file:file r_file_perms;
# Property service
set_prop(radio, radio_prop)
set_prop(radio, net_radio_prop)
# ctl interface
set_prop(radio, ctl_rildaemon_prop)
add_service(radio, radio_service)
allow radio audioserver_service:service_manager find;
allow radio cameraserver_service:service_manager find;
allow radio drmserver_service:service_manager find;
allow radio mediaserver_service:service_manager find;
allow radio nfc_service:service_manager find;
allow radio surfaceflinger_service:service_manager find;
allow radio app_api_service:service_manager find;
allow radio system_api_service:service_manager find;
# Perform HwBinder IPC.
hwbinder_use(radio)
binder_call(radio, hal_telephony)