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am 319c7e85: Merge "make FLP play nicely with multiuser" into jb-mr1-dev

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* commit '319c7e85019350e3a5f26c64803900b945130c3b':
  make FLP play nicely with multiuser
This commit is contained in:
Victoria Lease
2012-10-29 14:01:47 -07:00
committed by Android Git Automerger
parent daa7218a9e 319c7e8501
commit cee171409b
1 changed files with 49 additions and 20 deletions
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67
services/java/com/android/server/LocationManagerService.java
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@ -405,8 +405,10 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
mLastLocation.clear(); mLastLocation.clear();
for (LocationProviderInterface p : mProviders) { for (LocationProviderInterface p : mProviders) {
updateProviderListenersLocked(p.getName(), false, mCurrentUserId); updateProviderListenersLocked(p.getName(), false, mCurrentUserId);
if (!LocationManager.FUSED_PROVIDER.equals(p.getName())) {
p.switchUser(userId); p.switchUser(userId);
} }
}
mCurrentUserId = userId; mCurrentUserId = userId;
updateProvidersLocked(); updateProvidersLocked();
} }
@ -664,9 +666,27 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
mProvidersByName.remove(provider.getName()); mProvidersByName.remove(provider.getName());
} }
/**
* Returns true if the specified UID is SYSTEM_UID or matches the current user.
*
* @param uid the uid
* @return true if uid is SYSTEM_UID or matches the current user
*/
private boolean isCurrentUserOrSystemLocked(int uid) {
return uid == Process.SYSTEM_UID || UserHandle.getUserId(uid) == mCurrentUserId;
}
private boolean isAllowedBySettingsLocked(String provider, int userId) { /**
if (userId != mCurrentUserId) { * Returns the first UID in the current user's range.
*
* @return the first UID in the current user's range
*/
private int getCurrentUidBaseLocked() {
return UserHandle.getUid(mCurrentUserId, 0);
}
private boolean isAllowedBySettingsLocked(String provider, int uid) {
if (!isCurrentUserOrSystemLocked(uid)) {
return false; return false;
} }
if (mEnabledProviders.contains(provider)) { if (mEnabledProviders.contains(provider)) {
@ -675,6 +695,10 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
if (mDisabledProviders.contains(provider)) { if (mDisabledProviders.contains(provider)) {
return false; return false;
} }
if (uid == Process.SYSTEM_UID) {
return true;
}
// Use system settings // Use system settings
ContentResolver resolver = mContext.getContentResolver(); ContentResolver resolver = mContext.getContentResolver();
@ -828,8 +852,8 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
public List<String> getProviders(Criteria criteria, boolean enabledOnly) { public List<String> getProviders(Criteria criteria, boolean enabledOnly) {
int allowedResolutionLevel = getCallerAllowedResolutionLevel(); int allowedResolutionLevel = getCallerAllowedResolutionLevel();
ArrayList<String> out; ArrayList<String> out;
int callingUserId = UserHandle.getCallingUserId(); final int callingUid = Binder.getCallingUid();
long identity = Binder.clearCallingIdentity(); final long identity = Binder.clearCallingIdentity();
try { try {
synchronized (mLock) { synchronized (mLock) {
out = new ArrayList<String>(mProviders.size()); out = new ArrayList<String>(mProviders.size());
@ -839,7 +863,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
continue; continue;
} }
if (allowedResolutionLevel >= getMinimumResolutionLevelForProviderUse(name)) { if (allowedResolutionLevel >= getMinimumResolutionLevelForProviderUse(name)) {
if (enabledOnly && !isAllowedBySettingsLocked(name, callingUserId)) { if (enabledOnly && !isAllowedBySettingsLocked(name, callingUid)) {
continue; continue;
} }
if (criteria != null && !LocationProvider.propertiesMeetCriteria( if (criteria != null && !LocationProvider.propertiesMeetCriteria(
@ -915,7 +939,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
LocationProviderInterface p = mProviders.get(i); LocationProviderInterface p = mProviders.get(i);
boolean isEnabled = p.isEnabled(); boolean isEnabled = p.isEnabled();
String name = p.getName(); String name = p.getName();
boolean shouldBeEnabled = isAllowedBySettingsLocked(name, mCurrentUserId); boolean shouldBeEnabled = isAllowedBySettingsLocked(name, getCurrentUidBaseLocked());
if (isEnabled && !shouldBeEnabled) { if (isEnabled && !shouldBeEnabled) {
updateProviderListenersLocked(name, false, mCurrentUserId); updateProviderListenersLocked(name, false, mCurrentUserId);
changesMade = true; changesMade = true;
@ -943,7 +967,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
final int N = records.size(); final int N = records.size();
for (int i = 0; i < N; i++) { for (int i = 0; i < N; i++) {
UpdateRecord record = records.get(i); UpdateRecord record = records.get(i);
if (UserHandle.getUserId(record.mReceiver.mUid) == userId) { if (isCurrentUserOrSystemLocked(record.mReceiver.mUid)) {
// Sends a notification message to the receiver // Sends a notification message to the receiver
if (!record.mReceiver.callProviderEnabledLocked(provider, enabled)) { if (!record.mReceiver.callProviderEnabledLocked(provider, enabled)) {
if (deadReceivers == null) { if (deadReceivers == null) {
@ -982,7 +1006,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
if (records != null) { if (records != null) {
for (UpdateRecord record : records) { for (UpdateRecord record : records) {
if (UserHandle.getUserId(record.mReceiver.mUid) == mCurrentUserId) { if (isCurrentUserOrSystemLocked(record.mReceiver.mUid)) {
LocationRequest locationRequest = record.mRequest; LocationRequest locationRequest = record.mRequest;
providerRequest.locationRequests.add(locationRequest); providerRequest.locationRequests.add(locationRequest);
if (locationRequest.getInterval() < providerRequest.interval) { if (locationRequest.getInterval() < providerRequest.interval) {
@ -1000,7 +1024,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
// under that threshold. // under that threshold.
long thresholdInterval = (providerRequest.interval + 1000) * 3 / 2; long thresholdInterval = (providerRequest.interval + 1000) * 3 / 2;
for (UpdateRecord record : records) { for (UpdateRecord record : records) {
if (UserHandle.getUserId(record.mReceiver.mUid) == mCurrentUserId) { if (isCurrentUserOrSystemLocked(record.mReceiver.mUid)) {
LocationRequest locationRequest = record.mRequest; LocationRequest locationRequest = record.mRequest;
if (locationRequest.getInterval() <= thresholdInterval) { if (locationRequest.getInterval() <= thresholdInterval) {
worksource.add(record.mReceiver.mUid); worksource.add(record.mReceiver.mUid);
@ -1223,7 +1247,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
oldRecord.disposeLocked(false); oldRecord.disposeLocked(false);
} }
boolean isProviderEnabled = isAllowedBySettingsLocked(name, UserHandle.getUserId(uid)); boolean isProviderEnabled = isAllowedBySettingsLocked(name, uid);
if (isProviderEnabled) { if (isProviderEnabled) {
applyRequirementsLocked(name); applyRequirementsLocked(name);
} else { } else {
@ -1278,9 +1302,10 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
} }
// update provider // update provider
int currentUidBase = getCurrentUidBaseLocked();
for (String provider : providers) { for (String provider : providers) {
// If provider is already disabled, don't need to do anything // If provider is already disabled, don't need to do anything
if (!isAllowedBySettingsLocked(provider, mCurrentUserId)) { if (!isAllowedBySettingsLocked(provider, currentUidBase)) {
continue; continue;
} }
@ -1298,7 +1323,8 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
request.getProvider()); request.getProvider());
// no need to sanitize this request, as only the provider name is used // no need to sanitize this request, as only the provider name is used
long identity = Binder.clearCallingIdentity(); final int callingUid = Binder.getCallingUid();
final long identity = Binder.clearCallingIdentity();
try { try {
if (mBlacklist.isBlacklisted(packageName)) { if (mBlacklist.isBlacklisted(packageName)) {
if (D) Log.d(TAG, "not returning last loc for blacklisted app: " + if (D) Log.d(TAG, "not returning last loc for blacklisted app: " +
@ -1314,7 +1340,9 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
LocationProviderInterface provider = mProvidersByName.get(name); LocationProviderInterface provider = mProvidersByName.get(name);
if (provider == null) return null; if (provider == null) return null;
if (!isAllowedBySettingsLocked(name, mCurrentUserId)) return null; if (!isAllowedBySettingsLocked(name, callingUid)) {
return null;
}
Location location = mLastLocation.get(name); Location location = mLastLocation.get(name);
if (location == null) { if (location == null) {
@ -1471,13 +1499,14 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
provider); provider);
if (LocationManager.FUSED_PROVIDER.equals(provider)) return false; if (LocationManager.FUSED_PROVIDER.equals(provider)) return false;
long identity = Binder.clearCallingIdentity(); final int callingUid = Binder.getCallingUid();
final long identity = Binder.clearCallingIdentity();
try { try {
synchronized (mLock) { synchronized (mLock) {
LocationProviderInterface p = mProvidersByName.get(provider); LocationProviderInterface p = mProvidersByName.get(provider);
if (p == null) return false; if (p == null) return false;
return isAllowedBySettingsLocked(provider, mCurrentUserId); return isAllowedBySettingsLocked(provider, callingUid);
} }
} finally { } finally {
Binder.restoreCallingIdentity(identity); Binder.restoreCallingIdentity(identity);
@ -1616,10 +1645,10 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
Receiver receiver = r.mReceiver; Receiver receiver = r.mReceiver;
boolean receiverDead = false; boolean receiverDead = false;
int receiverUserId = UserHandle.getUserId(receiver.mUid); final int receiverUid = receiver.mUid;
if (receiverUserId != mCurrentUserId) { if (!isCurrentUserOrSystemLocked(receiverUid)) {
if (D) { if (D) {
Log.d(TAG, "skipping loc update for background user " + receiverUserId + Log.d(TAG, "skipping loc update for background uid " + receiverUid +
" (current user: " + mCurrentUserId + ", app: " + " (current user: " + mCurrentUserId + ", app: " +
receiver.mPackageName + ")"); receiver.mPackageName + ")");
} }
@ -1716,7 +1745,7 @@ public class LocationManagerService extends ILocationManager.Stub implements Run
} }
synchronized (mLock) { synchronized (mLock) {
if (isAllowedBySettingsLocked(provider, mCurrentUserId)) { if (isAllowedBySettingsLocked(provider, getCurrentUidBaseLocked())) {
handleLocationChangedLocked(location, passive); handleLocationChangedLocked(location, passive);
} }
} }