hal_usb_gadget sepolicy

Bug: 63669128
Test: Checked for avc denail messages.
Change-Id: I057b3cf9ccc945cb943b9cf60fc9cd6c023eddda

private/compat/26.0/26.0.ignore.cil

@@ -38,6 +38,7 @@
     hal_neuralnetworks_hwservice
     hal_tetheroffload_hwservice
     hal_wifi_hostapd_hwservice
+    hal_usb_gadget_hwservice
     hal_wifi_offload_hwservice
     kmsg_debug_device
     last_boot_reason_prop

private/hwservice_contexts

@@ -43,6 +43,7 @@ android.hardware.thermal::IThermalCallback                      u:object_r:therm
 android.hardware.tv.cec::IHdmiCec                               u:object_r:hal_tv_cec_hwservice:s0
 android.hardware.tv.input::ITvInput                             u:object_r:hal_tv_input_hwservice:s0
 android.hardware.usb::IUsb                                      u:object_r:hal_usb_hwservice:s0
+android.hardware.usb.gadget::IUsbGadget                         u:object_r:hal_usb_gadget_hwservice:s0
 android.hardware.vibrator::IVibrator                            u:object_r:hal_vibrator_hwservice:s0
 android.hardware.vr::IVr                                        u:object_r:hal_vr_hwservice:s0
 android.hardware.weaver::IWeaver                                u:object_r:hal_weaver_hwservice:s0

private/system_server.te

@@ -198,6 +198,7 @@ hal_client_domain(system_server, hal_thermal)
 hal_client_domain(system_server, hal_tv_cec)
 hal_client_domain(system_server, hal_tv_input)
 hal_client_domain(system_server, hal_usb)
+hal_client_domain(system_server, hal_usb_gadget)
 hal_client_domain(system_server, hal_vibrator)
 hal_client_domain(system_server, hal_vr)
 hal_client_domain(system_server, hal_weaver)

public/attributes

@@ -235,6 +235,7 @@ hal_attribute(thermal);
 hal_attribute(tv_cec);
 hal_attribute(tv_input);
 hal_attribute(usb);
+hal_attribute(usb_gadget);
 hal_attribute(vibrator);
 hal_attribute(vr);
 hal_attribute(weaver);

public/hal_usb_gadget.te

+# HwBinder IPC from client to server, and callbacks
+binder_call(hal_usb_gadget_client, hal_usb_gadget_server)
+binder_call(hal_usb_gadget_server, hal_usb_gadget_client)
+
+add_hwservice(hal_usb_gadget_server, hal_usb_gadget_hwservice)
+allow hal_usb_gadget_client hal_usb_gadget_hwservice:hwservice_manager find;
+
+# Configuring usb gadget functions
+allow hal_usb_gadget_server configfs:lnk_file { read create unlink};
+allow hal_usb_gadget_server configfs:dir rw_dir_perms;
+allow hal_usb_gadget_server configfs:file rw_file_perms;
+allow hal_usb_gadget_server functionfs:dir { read search };
+allow hal_usb_gadget_server functionfs:file read;
+

public/hwservice.te

@@ -37,6 +37,7 @@ type hal_thermal_hwservice, hwservice_manager_type;
 type hal_tv_cec_hwservice, hwservice_manager_type;
 type hal_tv_input_hwservice, hwservice_manager_type;
 type hal_usb_hwservice, hwservice_manager_type;
+type hal_usb_gadget_hwservice, hwservice_manager_type;
 type hal_vibrator_hwservice, hwservice_manager_type;
 type hal_vr_hwservice, hwservice_manager_type;
 type hal_weaver_hwservice, hwservice_manager_type;