Restrict access to hwservicemanager
This adds fine-grained policy about who can register and find which
HwBinder services in hwservicemanager.
Test: Play movie in Netflix and Google Play Movies
Test: Play video in YouTube app and YouTube web page
Test: In Google Camera app, take photo (HDR+ and conventional),
record video (slow motion and normal), and check that photos
look fine and videos play back with sound.
Test: Cast screen to a Google Cast device
Test: Get location fix in Google Maps
Test: Make and receive a phone call, check that sound works both ways
and that disconnecting the call frome either end works fine.
Test: Run RsHelloCompute RenderScript demo app
Test: Run fast subset of media CTS tests:
make and install CtsMediaTestCases.apk
adb shell am instrument -e size small \
-w 'android.media.cts/android.support.test.runner.AndroidJUnitRunner'
Test: Play music using Google Play music
Test: Adjust screen brightness via the slider in Quick Settings
Test: adb bugreport
Test: Enroll in fingerprint screen unlock, unlock screen using
fingerprint
Test: Apply OTA update:
Make some visible change, e.g., rename Settings app.
make otatools && \
make dist
Ensure device has network connectivity
ota_call.py -s <serial here> --file out/dist/sailfish-ota-*.zip
Confirm the change is now live on the device
Bug: 34454312
Change-Id: Iecf74000e6c68f01299667486f3c767912c076d3
diff --git a/private/system_server.te b/private/system_server.te
index 89b14a9..3dee16a 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -170,39 +170,29 @@
binder_call(system_server, wificond)
binder_service(system_server)
-# Perform HwBinder IPC.
-hwbinder_use(system_server)
+# Use HALs
hal_client_domain(system_server, hal_allocator)
-binder_call(system_server, hal_contexthub)
hal_client_domain(system_server, hal_contexthub)
hal_client_domain(system_server, hal_fingerprint)
-binder_call(system_server, hal_gnss)
hal_client_domain(system_server, hal_gnss)
hal_client_domain(system_server, hal_graphics_allocator)
-binder_call(system_server, hal_ir)
hal_client_domain(system_server, hal_ir)
-binder_call(system_server, hal_light)
hal_client_domain(system_server, hal_light)
-binder_call(system_server, hal_memtrack)
hal_client_domain(system_server, hal_memtrack)
hal_client_domain(system_server, hal_oemlock)
-binder_call(system_server, hal_power)
+allow system_server hal_omx_hwservice:hwservice_manager find;
+allow system_server hidl_token_hwservice:hwservice_manager find;
hal_client_domain(system_server, hal_power)
hal_client_domain(system_server, hal_sensors)
-binder_call(system_server, hal_thermal)
hal_client_domain(system_server, hal_thermal)
hal_client_domain(system_server, hal_tv_cec)
hal_client_domain(system_server, hal_tv_input)
-binder_call(system_server, hal_usb)
hal_client_domain(system_server, hal_usb)
-binder_call(system_server, hal_vibrator)
hal_client_domain(system_server, hal_vibrator)
-binder_call(system_server, hal_vr)
hal_client_domain(system_server, hal_vr)
hal_client_domain(system_server, hal_weaver)
hal_client_domain(system_server, hal_wifi)
hal_client_domain(system_server, hal_wifi_offload)
-
hal_client_domain(system_server, hal_wifi_supplicant)
binder_call(system_server, mediacodec)
@@ -210,6 +200,13 @@
# Talk with graphics composer fences
allow system_server hal_graphics_composer:fd use;
+# Use RenderScript always-passthrough HAL
+allow system_server hal_renderscript_hwservice:hwservice_manager find;
+
+# Offer HwBinder services
+add_hwservice(system_server, fwk_scheduler_hwservice)
+add_hwservice(system_server, fwk_sensor_hwservice)
+
# Talk to tombstoned to get ANR traces.
unix_socket_connect(system_server, tombstoned_intercept, tombstoned)
@@ -640,9 +637,6 @@
r_dir_file(system_server, rootfs)
r_dir_file(system_server, sysfs_type)
-# Allow system_server to make binder calls to hwservicemanager
-binder_call(system_server, hwservicemanager)
-
### Rules needed when Light HAL runs inside system_server process.
### These rules should eventually be granted only when needed.
allow system_server sysfs_leds:lnk_file read;