Clear binder identity at native entry calls (31cfa313) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/location/gnss/hal/GnssNative.java

+114 −80

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.location.GnssMeasurementsEvent;
		import android.location.GnssNavigationMessage;
		import android.location.GnssStatus;
		import android.location.Location;
		import android.os.Binder;
		import android.os.SystemClock;
		import android.util.Log;

		@@ -921,6 +922,7 @@ public class GnssNative {

		@NativeEntryPoint
		void reportGnssServiceDied() {
		// Not necessary to clear (and restore) binder identity since it runs on another thread.
		Log.e(TAG, "gnss hal died - restarting shortly...");

		// move to another thread just in case there is some awkward gnss thread dependency with
		@@ -940,6 +942,7 @@ public class GnssNative {

		@NativeEntryPoint
		void reportLocation(boolean hasLatLong, Location location) {
		Binder.withCleanCallingIdentity(() -> {
		if (hasLatLong && !mHasFirstFix) {
		mHasFirstFix = true;

		@@ -967,33 +970,40 @@ public class GnssNative {
		for (int i = 0; i < mLocationCallbacks.length; i++) {
		mLocationCallbacks[i].onReportLocation(hasLatLong, location);
		}
		});
		}

		@NativeEntryPoint
		void reportStatus(@StatusCallbacks.GnssStatusValue int gnssStatus) {
		Binder.withCleanCallingIdentity(() -> {
		for (int i = 0; i < mStatusCallbacks.length; i++) {
		mStatusCallbacks[i].onReportStatus(gnssStatus);
		}
		});
		}

		@NativeEntryPoint
		void reportSvStatus(int svCount, int[] svidWithFlags, float[] cn0DbHzs,
		float[] elevations, float[] azimuths, float[] carrierFrequencies,
		float[] basebandCn0DbHzs) {
		Binder.withCleanCallingIdentity(() -> {
		GnssStatus gnssStatus = GnssStatus.wrap(svCount, svidWithFlags, cn0DbHzs, elevations,
		azimuths, carrierFrequencies, basebandCn0DbHzs);
		for (int i = 0; i < mSvStatusCallbacks.length; i++) {
		mSvStatusCallbacks[i].onReportSvStatus(gnssStatus);
		}
		});
		}

		@NativeEntryPoint
		void reportAGpsStatus(int agpsType, int agpsStatus, byte[] suplIpAddr) {
		mAGpsCallbacks.onReportAGpsStatus(agpsType, agpsStatus, suplIpAddr);
		Binder.withCleanCallingIdentity(
		() -> mAGpsCallbacks.onReportAGpsStatus(agpsType, agpsStatus, suplIpAddr));
		}

		@NativeEntryPoint
		void reportNmea(long timestamp) {
		Binder.withCleanCallingIdentity(() -> {
		if (mItarSpeedLimitExceeded) {
		return;
		}
		@@ -1001,10 +1011,12 @@ public class GnssNative {
		for (int i = 0; i < mNmeaCallbacks.length; i++) {
		mNmeaCallbacks[i].onReportNmea(timestamp);
		}
		});
		}

		@NativeEntryPoint
		void reportMeasurementData(GnssMeasurementsEvent event) {
		Binder.withCleanCallingIdentity(() -> {
		if (mItarSpeedLimitExceeded) {
		return;
		}
		@@ -1012,17 +1024,21 @@ public class GnssNative {
		for (int i = 0; i < mMeasurementCallbacks.length; i++) {
		mMeasurementCallbacks[i].onReportMeasurements(event);
		}
		});
		}

		@NativeEntryPoint
		void reportAntennaInfo(List<GnssAntennaInfo> antennaInfos) {
		Binder.withCleanCallingIdentity(() -> {
		for (int i = 0; i < mAntennaInfoCallbacks.length; i++) {
		mAntennaInfoCallbacks[i].onReportAntennaInfo(antennaInfos);
		}
		});
		}

		@NativeEntryPoint
		void reportNavigationMessage(GnssNavigationMessage event) {
		Binder.withCleanCallingIdentity(() -> {
		if (mItarSpeedLimitExceeded) {
		return;
		}
		@@ -1030,6 +1046,7 @@ public class GnssNative {
		for (int i = 0; i < mNavigationMessageCallbacks.length; i++) {
		mNavigationMessageCallbacks[i].onReportNavigationMessage(event);
		}
		});
		}

		@NativeEntryPoint
		@@ -1061,6 +1078,7 @@ public class GnssNative {

		private void onCapabilitiesChanged(GnssCapabilities oldCapabilities,
		GnssCapabilities newCapabilities) {
		Binder.withCleanCallingIdentity(() -> {
		if (newCapabilities.equals(oldCapabilities)) {
		return;
		}
		@@ -1070,6 +1088,7 @@ public class GnssNative {
		for (int i = 0; i < mBaseCallbacks.length; i++) {
		mBaseCallbacks[i].onCapabilitiesChanged(oldCapabilities, newCapabilities);
		}
		});
		}

		@NativeEntryPoint
		@@ -1089,88 +1108,103 @@ public class GnssNative {

		@NativeEntryPoint
		void reportLocationBatch(Location[] locations) {
		Binder.withCleanCallingIdentity(() -> {
		for (int i = 0; i < mLocationCallbacks.length; i++) {
		mLocationCallbacks[i].onReportLocations(locations);
		}
		});
		}

		@NativeEntryPoint
		void psdsDownloadRequest(int psdsType) {
		mPsdsCallbacks.onRequestPsdsDownload(psdsType);
		Binder.withCleanCallingIdentity(() -> mPsdsCallbacks.onRequestPsdsDownload(psdsType));
		}

		@NativeEntryPoint
		void reportGeofenceTransition(int geofenceId, Location location, int transition,
		long transitionTimestamp) {
		mGeofenceCallbacks.onReportGeofenceTransition(geofenceId, location, transition,
		transitionTimestamp);
		Binder.withCleanCallingIdentity(
		() -> mGeofenceCallbacks.onReportGeofenceTransition(geofenceId, location,
		transition, transitionTimestamp));
		}

		@NativeEntryPoint
		void reportGeofenceStatus(int status, Location location) {
		mGeofenceCallbacks.onReportGeofenceStatus(status, location);
		Binder.withCleanCallingIdentity(
		() -> mGeofenceCallbacks.onReportGeofenceStatus(status, location));
		}

		@NativeEntryPoint
		void reportGeofenceAddStatus(int geofenceId, @GeofenceCallbacks.GeofenceStatus int status) {
		mGeofenceCallbacks.onReportGeofenceAddStatus(geofenceId, status);
		Binder.withCleanCallingIdentity(
		() -> mGeofenceCallbacks.onReportGeofenceAddStatus(geofenceId, status));
		}

		@NativeEntryPoint
		void reportGeofenceRemoveStatus(int geofenceId, @GeofenceCallbacks.GeofenceStatus int status) {
		mGeofenceCallbacks.onReportGeofenceRemoveStatus(geofenceId, status);
		Binder.withCleanCallingIdentity(
		() -> mGeofenceCallbacks.onReportGeofenceRemoveStatus(geofenceId, status));
		}

		@NativeEntryPoint
		void reportGeofencePauseStatus(int geofenceId, @GeofenceCallbacks.GeofenceStatus int status) {
		mGeofenceCallbacks.onReportGeofencePauseStatus(geofenceId, status);
		Binder.withCleanCallingIdentity(
		() -> mGeofenceCallbacks.onReportGeofencePauseStatus(geofenceId, status));
		}

		@NativeEntryPoint
		void reportGeofenceResumeStatus(int geofenceId, @GeofenceCallbacks.GeofenceStatus int status) {
		mGeofenceCallbacks.onReportGeofenceResumeStatus(geofenceId, status);
		Binder.withCleanCallingIdentity(
		() -> mGeofenceCallbacks.onReportGeofenceResumeStatus(geofenceId, status));
		}

		@NativeEntryPoint
		void reportNiNotification(int notificationId, int niType, int notifyFlags,
		int timeout, int defaultResponse, String requestorId, String text,
		int requestorIdEncoding, int textEncoding) {
		mNotificationCallbacks.onReportNiNotification(notificationId, niType, notifyFlags, timeout,
		defaultResponse, requestorId, text, requestorIdEncoding, textEncoding);
		Binder.withCleanCallingIdentity(
		() -> mNotificationCallbacks.onReportNiNotification(notificationId, niType,
		notifyFlags, timeout, defaultResponse, requestorId, text,
		requestorIdEncoding, textEncoding));
		}

		@NativeEntryPoint
		void requestSetID(int flags) {
		mAGpsCallbacks.onRequestSetID(flags);
		Binder.withCleanCallingIdentity(() -> mAGpsCallbacks.onRequestSetID(flags));
		}

		@NativeEntryPoint
		void requestLocation(boolean independentFromGnss, boolean isUserEmergency) {
		mLocationRequestCallbacks.onRequestLocation(independentFromGnss, isUserEmergency);
		Binder.withCleanCallingIdentity(
		() -> mLocationRequestCallbacks.onRequestLocation(independentFromGnss,
		isUserEmergency));
		}

		@NativeEntryPoint
		void requestUtcTime() {
		mTimeCallbacks.onRequestUtcTime();
		Binder.withCleanCallingIdentity(() -> mTimeCallbacks.onRequestUtcTime());
		}

		@NativeEntryPoint
		void requestRefLocation() {
		mLocationRequestCallbacks.onRequestRefLocation();
		Binder.withCleanCallingIdentity(
		() -> mLocationRequestCallbacks.onRequestRefLocation());
		}

		@NativeEntryPoint
		void reportNfwNotification(String proxyAppPackageName, byte protocolStack,
		String otherProtocolStackName, byte requestor, String requestorId,
		byte responseType, boolean inEmergencyMode, boolean isCachedLocation) {
		mNotificationCallbacks.onReportNfwNotification(proxyAppPackageName, protocolStack,
		otherProtocolStackName, requestor, requestorId, responseType, inEmergencyMode,
		isCachedLocation);
		Binder.withCleanCallingIdentity(
		() -> mNotificationCallbacks.onReportNfwNotification(proxyAppPackageName,
		protocolStack, otherProtocolStackName, requestor, requestorId, responseType,
		inEmergencyMode, isCachedLocation));
		}

		@NativeEntryPoint
		boolean isInEmergencySession() {
		return mEmergencyHelper.isInEmergency(mConfiguration.getEsExtensionSec());
		return Binder.withCleanCallingIdentity(
		() -> mEmergencyHelper.isInEmergency(mConfiguration.getEsExtensionSec()));
		}

		/**