Add location settings piercing in emergencies (be93e9cc) · Commits · e / os / android_frameworks_base

api/system-current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -3209,12 +3209,14 @@ package android.location {
		method public int getQuality();
		method public float getSmallestDisplacement();
		method public android.os.WorkSource getWorkSource();
		method public boolean isLocationSettingsIgnored();
		method public boolean isLowPowerMode();
		method public android.location.LocationRequest setExpireAt(long);
		method public android.location.LocationRequest setExpireIn(long);
		method public android.location.LocationRequest setFastestInterval(long);
		method public void setHideFromAppOps(boolean);
		method public android.location.LocationRequest setInterval(long);
		method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public android.location.LocationRequest setLocationSettingsIgnored(boolean);
		method public android.location.LocationRequest setLowPowerMode(boolean);
		method public android.location.LocationRequest setNumUpdates(int);
		method public android.location.LocationRequest setProvider(String);

location/java/android/location/LocationRequest.java

+30 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.location;

		import android.Manifest;
		import android.annotation.RequiresPermission;
		import android.annotation.SystemApi;
		import android.annotation.UnsupportedAppUsage;
		import android.os.Build;
		@@ -161,6 +163,7 @@ public final class LocationRequest implements Parcelable {
		private WorkSource mWorkSource = null;
		@UnsupportedAppUsage
		private boolean mHideFromAppOps = false; // True if this request shouldn't be counted by AppOps
		private boolean mLocationSettingsIgnored = false;

		@UnsupportedAppUsage
		private String mProvider = LocationManager.FUSED_PROVIDER;
		@@ -261,6 +264,7 @@ public final class LocationRequest implements Parcelable {
		mWorkSource = src.mWorkSource;
		mHideFromAppOps = src.mHideFromAppOps;
		mLowPowerMode = src.mLowPowerMode;
		mLocationSettingsIgnored = src.mLocationSettingsIgnored;
		}

		/**
		@@ -374,6 +378,32 @@ public final class LocationRequest implements Parcelable {
		return mLowPowerMode;
		}

		/**
		* Requests that user location settings be ignored in order to satisfy this request. This API
		* is only for use in extremely rare scenarios where it is appropriate to ignore user location
		* settings, such as a user initiated emergency (dialing 911 for instance).
		*
		* @param locationSettingsIgnored Whether to ignore location settings
		* @return the same object, so that setters can be chained
		* @hide
		*/
		@RequiresPermission(Manifest.permission.WRITE_SECURE_SETTINGS)
		@SystemApi
		public LocationRequest setLocationSettingsIgnored(boolean locationSettingsIgnored) {
		mLocationSettingsIgnored = locationSettingsIgnored;
		return this;
		}

		/**
		* Returns true if location settings will be ignored in order to satisfy this request.
		*
		* @hide
		*/
		@SystemApi
		public boolean isLocationSettingsIgnored() {
		return mLocationSettingsIgnored;
		}

		/**
		* Explicitly set the fastest interval for location updates, in
		* milliseconds.

services/core/java/com/android/server/LocationManagerService.java

+89 −68

Original line number	Diff line number	Diff line
		@@ -66,7 +66,6 @@ import android.os.Binder;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		import android.os.PowerManager;
		import android.os.Process;
		import android.os.RemoteException;
		@@ -87,7 +86,6 @@ import com.android.internal.annotations.GuardedBy;
		import com.android.internal.content.PackageMonitor;
		import com.android.internal.location.ProviderProperties;
		import com.android.internal.location.ProviderRequest;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.util.ArrayUtils;
		import com.android.internal.util.DumpUtils;
		import com.android.internal.util.Preconditions;
		@@ -246,7 +244,7 @@ public class LocationManagerService extends ILocationManager.Stub {
		public LocationManagerService(Context context) {
		super();
		mContext = context;
		mHandler = BackgroundThread.getHandler();
		mHandler = FgThread.getHandler();

		// Let the package manager query which are the default location
		// providers as they get certain permissions granted by default.
		@@ -954,7 +952,7 @@ public class LocationManagerService extends ILocationManager.Stub {
		public void onReportLocation(Location location) {
		// no security check necessary because this is coming from an internal-only interface
		// move calls coming from below LMS onto a different thread to avoid deadlock
		runInternal(() -> {
		mHandler.post(() -> {
		synchronized (mLock) {
		handleLocationChangedLocked(location, this);
		}
		@@ -965,7 +963,7 @@ public class LocationManagerService extends ILocationManager.Stub {
		@Override
		public void onReportLocation(List<Location> locations) {
		// move calls coming from below LMS onto a different thread to avoid deadlock
		runInternal(() -> {
		mHandler.post(() -> {
		synchronized (mLock) {
		LocationProvider gpsProvider = getLocationProviderLocked(GPS_PROVIDER);
		if (gpsProvider == null \|\| !gpsProvider.isUseableLocked()) {
		@@ -991,7 +989,7 @@ public class LocationManagerService extends ILocationManager.Stub {
		@Override
		public void onSetEnabled(boolean enabled) {
		// move calls coming from below LMS onto a different thread to avoid deadlock
		runInternal(() -> {
		mHandler.post(() -> {
		synchronized (mLock) {
		if (enabled == mEnabled) {
		return;
		@@ -1113,16 +1111,6 @@ public class LocationManagerService extends ILocationManager.Stub {
		mUseable = false;
		updateProviderUseableLocked(this);
		}

		// binder transactions coming from below LMS (ie location providers) need to be moved onto
		// a different thread to avoid potential deadlock as code reenters the location providers
		private void runInternal(Runnable runnable) {
		if (Looper.myLooper() == mHandler.getLooper()) {
		runnable.run();
		} else {
		mHandler.post(runnable);
		}
		}
		}

		private class MockLocationProvider extends LocationProvider {
		@@ -1278,7 +1266,11 @@ public class LocationManagerService extends ILocationManager.Stub {
		// are high power (has a high power provider with an interval under a threshold).
		for (UpdateRecord updateRecord : mUpdateRecords.values()) {
		LocationProvider provider = getLocationProviderLocked(updateRecord.mProvider);
		if (provider == null \|\| !provider.isUseableLocked()) {
		if (provider == null) {
		continue;
		}
		if (!provider.isUseableLocked()
		&& !updateRecord.mRealRequest.isLocationSettingsIgnored()) {
		continue;
		}

		@@ -1960,7 +1952,16 @@ public class LocationManagerService extends ILocationManager.Stub {
		ArrayList<UpdateRecord> records = mRecordsByProvider.get(provider.getName());
		if (records != null) {
		for (UpdateRecord record : records) {
		if (isCurrentProfileLocked(UserHandle.getUserId(record.mReceiver.mIdentity.mUid))) {
		if (!isCurrentProfileLocked(
		UserHandle.getUserId(record.mReceiver.mIdentity.mUid))) {
		continue;
		}

		// requests that ignore location settings will never provider notifications
		if (record.mRealRequest.isLocationSettingsIgnored()) {
		continue;
		}

		// Sends a notification message to the receiver
		if (!record.mReceiver.callProviderEnabledLocked(provider.getName(), useable)) {
		if (deadReceivers == null) {
		@@ -1970,7 +1971,6 @@ public class LocationManagerService extends ILocationManager.Stub {
		}
		}
		}
		}

		if (deadReceivers != null) {
		for (int i = deadReceivers.size() - 1; i >= 0; i--) {
		@@ -2007,16 +2007,26 @@ public class LocationManagerService extends ILocationManager.Stub {
		Binder.restoreCallingIdentity(identity);
		}

		if (provider.isUseableLocked() && records != null && !records.isEmpty()) {
		if (records != null && !records.isEmpty()) {
		// initialize the low power mode to true and set to false if any of the records requires
		providerRequest.lowPowerMode = true;
		for (UpdateRecord record : records) {
		if (isCurrentProfileLocked(UserHandle.getUserId(record.mReceiver.mIdentity.mUid))) {
		if (checkLocationAccess(
		if (!isCurrentProfileLocked(
		UserHandle.getUserId(record.mReceiver.mIdentity.mUid))) {
		continue;
		}
		if (!checkLocationAccess(
		record.mReceiver.mIdentity.mPid,
		record.mReceiver.mIdentity.mUid,
		record.mReceiver.mIdentity.mPackageName,
		record.mReceiver.mAllowedResolutionLevel)) {
		continue;
		}
		if (!provider.isUseableLocked()
		&& !record.mRealRequest.isLocationSettingsIgnored()) {
		continue;
		}

		LocationRequest locationRequest = record.mRealRequest;
		long interval = locationRequest.getInterval();

		@@ -2040,8 +2050,6 @@ public class LocationManagerService extends ILocationManager.Stub {
		providerRequest.interval = interval;
		}
		}
		}
		}

		if (providerRequest.reportLocation) {
		// calculate who to blame for power
		@@ -2307,6 +2315,10 @@ public class LocationManagerService extends ILocationManager.Stub {
		mContext.enforceCallingOrSelfPermission(
		Manifest.permission.UPDATE_APP_OPS_STATS, null);
		}
		if (request.isLocationSettingsIgnored()) {
		mContext.enforceCallingOrSelfPermission(
		Manifest.permission.WRITE_SECURE_SETTINGS, null);
		}
		boolean callerHasLocationHardwarePermission =
		mContext.checkCallingPermission(android.Manifest.permission.LOCATION_HARDWARE)
		== PERMISSION_GRANTED;
		@@ -2376,12 +2388,14 @@ public class LocationManagerService extends ILocationManager.Stub {
		oldRecord.disposeLocked(false);
		}

		if (provider.isUseableLocked()) {
		applyRequirementsLocked(name);
		} else {
		// Notify the listener that updates are currently disabled
		if (!provider.isUseableLocked() && !request.isLocationSettingsIgnored()) {
		// Notify the listener that updates are currently disabled - but only if the request
		// does not ignore location settings
		receiver.callProviderEnabledLocked(name, false);
		}

		applyRequirementsLocked(name);

		// Update the monitoring here just in case multiple location requests were added to the
		// same receiver (this request may be high power and the initial might not have been).
		receiver.updateMonitoring(true);
		@@ -2981,27 +2995,30 @@ public class LocationManagerService extends ILocationManager.Stub {
		return;
		}

		// only notify passive provider and update last location for locations that come from
		// useable providers
		if (provider.isUseableLocked()) {
		if (!provider.isPassiveLocked()) {
		// notify passive provider of the new location
		mPassiveProvider.updateLocation(location);
		}
		}

		if (D) Log.d(TAG, "incoming location: " + location);
		long now = SystemClock.elapsedRealtime();
		if (provider.isUseableLocked()) {
		updateLastLocationLocked(location, provider.getName());
		// mLastLocation should have been updated from the updateLastLocationLocked call above.
		Location lastLocation = mLastLocation.get(provider.getName());
		if (lastLocation == null) {
		Log.e(TAG, "handleLocationChangedLocked() updateLastLocation failed");
		return;
		}

		// Update last known coarse interval location if enough time has passed.
		Location lastLocationCoarseInterval = mLastLocationCoarseInterval.get(provider.getName());
		Location lastLocationCoarseInterval = mLastLocationCoarseInterval.get(
		provider.getName());
		if (lastLocationCoarseInterval == null) {
		lastLocationCoarseInterval = new Location(location);

		if (provider.isUseableLocked()) {
		mLastLocationCoarseInterval.put(provider.getName(), lastLocationCoarseInterval);
		}
		}
		long timeDiffNanos = location.getElapsedRealtimeNanos()
		- lastLocationCoarseInterval.getElapsedRealtimeNanos();
		if (timeDiffNanos > LocationFudger.FASTEST_INTERVAL_MS * NANOS_PER_MILLI) {
		@@ -3031,6 +3048,10 @@ public class LocationManagerService extends ILocationManager.Stub {
		Receiver receiver = r.mReceiver;
		boolean receiverDead = false;

		if (!provider.isUseableLocked() && !r.mRealRequest.isLocationSettingsIgnored()) {
		continue;
		}

		int receiverUserId = UserHandle.getUserId(receiver.mIdentity.mUid);
		if (!isCurrentProfileLocked(receiverUserId)
		&& !isLocationProviderLocked(receiver.mIdentity.mUid)) {
		@@ -3066,7 +3087,7 @@ public class LocationManagerService extends ILocationManager.Stub {
		if (receiver.mAllowedResolutionLevel < RESOLUTION_LEVEL_FINE) {
		notifyLocation = coarseLocation; // use coarse location
		} else {
		notifyLocation = lastLocation; // use fine location
		notifyLocation = location; // use fine location
		}
		if (notifyLocation != null) {
		Location lastLoc = r.mLastFixBroadcast;