Merge changes from topic "oct28b"
* changes:
BroadcastQueue: skip ANRs when assuming success.
BroadcastQueue: better state transition logging.
BroadcastQueue: return reasons from skip policy.
diff --git a/apex/jobscheduler/service/java/com/android/server/JobSchedulerBackgroundThread.java b/apex/jobscheduler/service/java/com/android/server/JobSchedulerBackgroundThread.java
index a413f7b..6b01a9f 100644
--- a/apex/jobscheduler/service/java/com/android/server/JobSchedulerBackgroundThread.java
+++ b/apex/jobscheduler/service/java/com/android/server/JobSchedulerBackgroundThread.java
@@ -22,6 +22,8 @@
import android.os.Looper;
import android.os.Trace;
+import com.android.server.am.BroadcastLoopers;
+
import java.util.concurrent.Executor;
/**
@@ -45,6 +47,7 @@
sInstance = new JobSchedulerBackgroundThread();
sInstance.start();
final Looper looper = sInstance.getLooper();
+ BroadcastLoopers.addLooper(looper);
looper.setTraceTag(Trace.TRACE_TAG_SYSTEM_SERVER);
looper.setSlowLogThresholdMs(
SLOW_DISPATCH_THRESHOLD_MS, SLOW_DELIVERY_THRESHOLD_MS);
diff --git a/services/core/java/com/android/server/ServiceThread.java b/services/core/java/com/android/server/ServiceThread.java
index 6d8e49c..3ea4b86 100644
--- a/services/core/java/com/android/server/ServiceThread.java
+++ b/services/core/java/com/android/server/ServiceThread.java
@@ -22,6 +22,8 @@
import android.os.Process;
import android.os.StrictMode;
+import com.android.server.am.BroadcastLoopers;
+
/**
* Special handler thread that we create for system services that require their own loopers.
*/
@@ -46,6 +48,14 @@
super.run();
}
+ @Override
+ protected void onLooperPrepared() {
+ // Almost all service threads are used for dispatching broadcast
+ // intents, so register ourselves to ensure that "wait-for-broadcast"
+ // shell commands are able to drain any pending broadcasts
+ BroadcastLoopers.addLooper(getLooper());
+ }
+
protected static Handler makeSharedHandler(Looper looper) {
return new Handler(looper, /*callback=*/ null, /* async=*/ false, /* shared=*/ true);
}
diff --git a/services/core/java/com/android/server/StorageManagerService.java b/services/core/java/com/android/server/StorageManagerService.java
index 72876f6..c280719 100644
--- a/services/core/java/com/android/server/StorageManagerService.java
+++ b/services/core/java/com/android/server/StorageManagerService.java
@@ -147,6 +147,7 @@
import com.android.internal.util.Preconditions;
import com.android.modules.utils.TypedXmlPullParser;
import com.android.modules.utils.TypedXmlSerializer;
+import com.android.server.am.BroadcastLoopers;
import com.android.server.pm.Installer;
import com.android.server.pm.UserManagerInternal;
import com.android.server.storage.AppFuseBridge;
@@ -1809,6 +1810,7 @@
HandlerThread hthread = new HandlerThread(TAG);
hthread.start();
+ BroadcastLoopers.addLooper(hthread.getLooper());
mHandler = new StorageManagerServiceHandler(hthread.getLooper());
// Add OBB Action Handler to StorageManagerService thread.
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 5feb3bf..c954957 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -2509,6 +2509,8 @@
Watchdog.getInstance().addMonitor(this);
Watchdog.getInstance().addThread(mHandler);
+ BroadcastLoopers.addLooper(BackgroundThread.getHandler().getLooper());
+
// bind background threads to little cores
// this is expected to fail inside of framework tests because apps can't touch cpusets directly
// make sure we've already adjusted system_server's internal view of itself first
diff --git a/services/core/java/com/android/server/am/BroadcastLoopers.java b/services/core/java/com/android/server/am/BroadcastLoopers.java
index bebb484..b828720 100644
--- a/services/core/java/com/android/server/am/BroadcastLoopers.java
+++ b/services/core/java/com/android/server/am/BroadcastLoopers.java
@@ -25,6 +25,8 @@
import android.util.ArraySet;
import android.util.Slog;
+import com.android.internal.annotations.GuardedBy;
+
import java.io.PrintWriter;
import java.util.Objects;
import java.util.concurrent.CountDownLatch;
@@ -37,6 +39,7 @@
public class BroadcastLoopers {
private static final String TAG = "BroadcastLoopers";
+ @GuardedBy("sLoopers")
private static final ArraySet<Looper> sLoopers = new ArraySet<>();
/**
diff --git a/services/core/java/com/android/server/am/BroadcastQueueModernImpl.java b/services/core/java/com/android/server/am/BroadcastQueueModernImpl.java
index 5750619..95cefea 100644
--- a/services/core/java/com/android/server/am/BroadcastQueueModernImpl.java
+++ b/services/core/java/com/android/server/am/BroadcastQueueModernImpl.java
@@ -144,14 +144,6 @@
mRunning = new BroadcastProcessQueue[mConstants.MAX_RUNNING_PROCESS_QUEUES];
}
- // TODO: add support for replacing pending broadcasts
- // TODO: add support for merging pending broadcasts
-
- // TODO: consider reordering foreground broadcasts within queue
-
- // TODO: pause queues when background services are running
- // TODO: pause queues when processes are frozen
-
/**
* Map from UID to per-process broadcast queues. If a UID hosts more than
* one process, each additional process is stored as a linked list using
@@ -516,7 +508,8 @@
if (queue != null) {
// If queue was running a broadcast, fail it
if (queue.isActive()) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE,
+ "onApplicationCleanupLocked");
}
// Skip any pending registered receivers, since the old process
@@ -668,7 +661,8 @@
// Ignore registered receivers from a previous PID
if (receiver instanceof BroadcastFilter) {
mRunningColdStart = null;
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED,
+ "BroadcastFilter for cold app");
return;
}
@@ -690,7 +684,8 @@
hostingRecord, zygotePolicyFlags, allowWhileBooting, false);
if (queue.app == null) {
mRunningColdStart = null;
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE,
+ "startProcessLocked failed");
return;
}
}
@@ -721,33 +716,37 @@
// If someone already finished this broadcast, finish immediately
final int oldDeliveryState = getDeliveryState(r, index);
if (isDeliveryStateTerminal(oldDeliveryState)) {
- finishReceiverLocked(queue, oldDeliveryState);
+ finishReceiverLocked(queue, oldDeliveryState, "already terminal state");
return;
}
// Consider additional cases where we'd want to finish immediately
if (app.isInFullBackup()) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED, "isInFullBackup");
return;
}
if (mSkipPolicy.shouldSkip(r, receiver)) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED, "mSkipPolicy");
return;
}
final Intent receiverIntent = r.getReceiverIntent(receiver);
if (receiverIntent == null) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED, "isInFullBackup");
return;
}
// Ignore registered receivers from a previous PID
if ((receiver instanceof BroadcastFilter)
&& ((BroadcastFilter) receiver).receiverList.pid != app.getPid()) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_SKIPPED,
+ "BroadcastFilter for mismatched PID");
return;
}
- if (mService.mProcessesReady && !r.timeoutExempt) {
+ // Skip ANR tracking early during boot, when requested, or when we
+ // immediately assume delivery success
+ final boolean assumeDelivered = (receiver instanceof BroadcastFilter) && !r.ordered;
+ if (mService.mProcessesReady && !r.timeoutExempt && !assumeDelivered) {
queue.lastCpuDelayTime = queue.app.getCpuDelayTime();
final long timeout = r.isForeground() ? mFgConstants.TIMEOUT : mBgConstants.TIMEOUT;
@@ -775,7 +774,8 @@
}
if (DEBUG_BROADCAST) logv("Scheduling " + r + " to warm " + app);
- setDeliveryState(queue, app, r, index, receiver, BroadcastRecord.DELIVERY_SCHEDULED);
+ setDeliveryState(queue, app, r, index, receiver, BroadcastRecord.DELIVERY_SCHEDULED,
+ "scheduleReceiverWarmLocked");
final IApplicationThread thread = app.getOnewayThread();
if (thread != null) {
@@ -789,8 +789,9 @@
// TODO: consider making registered receivers of unordered
// broadcasts report results to detect ANRs
- if (!r.ordered) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_DELIVERED);
+ if (assumeDelivered) {
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_DELIVERED,
+ "assuming delivered");
}
} else {
notifyScheduleReceiver(app, r, (ResolveInfo) receiver);
@@ -804,10 +805,11 @@
logw(msg);
app.scheduleCrashLocked(msg, CannotDeliverBroadcastException.TYPE_ID, null);
app.setKilled(true);
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE, "remote app");
}
} else {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_FAILURE,
+ "missing IApplicationThread");
}
}
@@ -851,7 +853,8 @@
}
private void deliveryTimeoutHardLocked(@NonNull BroadcastProcessQueue queue) {
- finishReceiverLocked(queue, BroadcastRecord.DELIVERY_TIMEOUT);
+ finishReceiverLocked(queue, BroadcastRecord.DELIVERY_TIMEOUT,
+ "deliveryTimeoutHardLocked");
}
@Override
@@ -878,16 +881,16 @@
if (r.resultAbort) {
for (int i = r.terminalCount + 1; i < r.receivers.size(); i++) {
setDeliveryState(null, null, r, i, r.receivers.get(i),
- BroadcastRecord.DELIVERY_SKIPPED);
+ BroadcastRecord.DELIVERY_SKIPPED, "resultAbort");
}
}
}
- return finishReceiverLocked(queue, BroadcastRecord.DELIVERY_DELIVERED);
+ return finishReceiverLocked(queue, BroadcastRecord.DELIVERY_DELIVERED, "remote app");
}
private boolean finishReceiverLocked(@NonNull BroadcastProcessQueue queue,
- @DeliveryState int deliveryState) {
+ @DeliveryState int deliveryState, @NonNull String reason) {
checkState(queue.isActive(), "isActive");
final ProcessRecord app = queue.app;
@@ -895,7 +898,7 @@
final int index = queue.getActiveIndex();
final Object receiver = r.receivers.get(index);
- setDeliveryState(queue, app, r, index, receiver, deliveryState);
+ setDeliveryState(queue, app, r, index, receiver, deliveryState, reason);
if (deliveryState == BroadcastRecord.DELIVERY_TIMEOUT) {
r.anrCount++;
@@ -942,7 +945,7 @@
*/
private void setDeliveryState(@Nullable BroadcastProcessQueue queue,
@Nullable ProcessRecord app, @NonNull BroadcastRecord r, int index,
- @NonNull Object receiver, @DeliveryState int newDeliveryState) {
+ @NonNull Object receiver, @DeliveryState int newDeliveryState, String reason) {
final int oldDeliveryState = getDeliveryState(r, index);
// Only apply state when we haven't already reached a terminal state;
@@ -970,7 +973,7 @@
logw("Delivery state of " + r + " to " + receiver
+ " via " + app + " changed from "
+ deliveryStateToString(oldDeliveryState) + " to "
- + deliveryStateToString(newDeliveryState));
+ + deliveryStateToString(newDeliveryState) + " because " + reason);
}
r.terminalCount++;
@@ -1060,7 +1063,8 @@
* of it matching a predicate.
*/
private final BroadcastConsumer mBroadcastConsumerSkip = (r, i) -> {
- setDeliveryState(null, null, r, i, r.receivers.get(i), BroadcastRecord.DELIVERY_SKIPPED);
+ setDeliveryState(null, null, r, i, r.receivers.get(i), BroadcastRecord.DELIVERY_SKIPPED,
+ "mBroadcastConsumerSkip");
};
/**
@@ -1068,7 +1072,8 @@
* cancelled, usually as a result of it matching a predicate.
*/
private final BroadcastConsumer mBroadcastConsumerSkipAndCanceled = (r, i) -> {
- setDeliveryState(null, null, r, i, r.receivers.get(i), BroadcastRecord.DELIVERY_SKIPPED);
+ setDeliveryState(null, null, r, i, r.receivers.get(i), BroadcastRecord.DELIVERY_SKIPPED,
+ "mBroadcastConsumerSkipAndCanceled");
r.resultCode = Activity.RESULT_CANCELED;
r.resultData = null;
r.resultExtras = null;
diff --git a/services/core/java/com/android/server/am/BroadcastSkipPolicy.java b/services/core/java/com/android/server/am/BroadcastSkipPolicy.java
index 60fddf0..481ab17 100644
--- a/services/core/java/com/android/server/am/BroadcastSkipPolicy.java
+++ b/services/core/java/com/android/server/am/BroadcastSkipPolicy.java
@@ -21,6 +21,7 @@
import static com.android.server.am.BroadcastQueue.TAG;
import android.annotation.NonNull;
+import android.annotation.Nullable;
import android.app.ActivityManager;
import android.app.AppGlobals;
import android.app.AppOpsManager;
@@ -42,6 +43,8 @@
import com.android.internal.util.ArrayUtils;
+import java.util.Objects;
+
/**
* Policy logic that decides if delivery of a particular {@link BroadcastRecord}
* should be skipped for a given {@link ResolveInfo} or {@link BroadcastFilter}.
@@ -51,8 +54,8 @@
public class BroadcastSkipPolicy {
private final ActivityManagerService mService;
- public BroadcastSkipPolicy(ActivityManagerService service) {
- mService = service;
+ public BroadcastSkipPolicy(@NonNull ActivityManagerService service) {
+ mService = Objects.requireNonNull(service);
}
/**
@@ -60,18 +63,39 @@
* the given {@link BroadcastFilter} or {@link ResolveInfo}.
*/
public boolean shouldSkip(@NonNull BroadcastRecord r, @NonNull Object target) {
- if (target instanceof BroadcastFilter) {
- return shouldSkip(r, (BroadcastFilter) target);
+ final String msg = shouldSkipMessage(r, target);
+ if (msg != null) {
+ Slog.w(TAG, msg);
+ return true;
} else {
- return shouldSkip(r, (ResolveInfo) target);
+ return false;
+ }
+ }
+
+ /**
+ * Determine if the given {@link BroadcastRecord} is eligible to be sent to
+ * the given {@link BroadcastFilter} or {@link ResolveInfo}.
+ *
+ * @return message indicating why the argument should be skipped, otherwise
+ * {@code null} if it can proceed.
+ */
+ public @Nullable String shouldSkipMessage(@NonNull BroadcastRecord r, @NonNull Object target) {
+ if (target instanceof BroadcastFilter) {
+ return shouldSkipMessage(r, (BroadcastFilter) target);
+ } else {
+ return shouldSkipMessage(r, (ResolveInfo) target);
}
}
/**
* Determine if the given {@link BroadcastRecord} is eligible to be sent to
* the given {@link ResolveInfo}.
+ *
+ * @return message indicating why the argument should be skipped, otherwise
+ * {@code null} if it can proceed.
*/
- public boolean shouldSkip(@NonNull BroadcastRecord r, @NonNull ResolveInfo info) {
+ private @Nullable String shouldSkipMessage(@NonNull BroadcastRecord r,
+ @NonNull ResolveInfo info) {
final BroadcastOptions brOptions = r.options;
final ComponentName component = new ComponentName(
info.activityInfo.applicationInfo.packageName,
@@ -82,58 +106,52 @@
< brOptions.getMinManifestReceiverApiLevel() ||
info.activityInfo.applicationInfo.targetSdkVersion
> brOptions.getMaxManifestReceiverApiLevel())) {
- Slog.w(TAG, "Target SDK mismatch: receiver " + info.activityInfo
+ return "Target SDK mismatch: receiver " + info.activityInfo
+ " targets " + info.activityInfo.applicationInfo.targetSdkVersion
+ " but delivery restricted to ["
+ brOptions.getMinManifestReceiverApiLevel() + ", "
+ brOptions.getMaxManifestReceiverApiLevel()
- + "] broadcasting " + broadcastDescription(r, component));
- return true;
+ + "] broadcasting " + broadcastDescription(r, component);
}
if (brOptions != null &&
!brOptions.testRequireCompatChange(info.activityInfo.applicationInfo.uid)) {
- Slog.w(TAG, "Compat change filtered: broadcasting " + broadcastDescription(r, component)
+ return "Compat change filtered: broadcasting " + broadcastDescription(r, component)
+ " to uid " + info.activityInfo.applicationInfo.uid + " due to compat change "
- + r.options.getRequireCompatChangeId());
- return true;
+ + r.options.getRequireCompatChangeId();
}
if (!mService.validateAssociationAllowedLocked(r.callerPackage, r.callingUid,
component.getPackageName(), info.activityInfo.applicationInfo.uid)) {
- Slog.w(TAG, "Association not allowed: broadcasting "
- + broadcastDescription(r, component));
- return true;
+ return "Association not allowed: broadcasting "
+ + broadcastDescription(r, component);
}
if (!mService.mIntentFirewall.checkBroadcast(r.intent, r.callingUid,
r.callingPid, r.resolvedType, info.activityInfo.applicationInfo.uid)) {
- Slog.w(TAG, "Firewall blocked: broadcasting "
- + broadcastDescription(r, component));
- return true;
+ return "Firewall blocked: broadcasting "
+ + broadcastDescription(r, component);
}
int perm = checkComponentPermission(info.activityInfo.permission,
r.callingPid, r.callingUid, info.activityInfo.applicationInfo.uid,
info.activityInfo.exported);
if (perm != PackageManager.PERMISSION_GRANTED) {
if (!info.activityInfo.exported) {
- Slog.w(TAG, "Permission Denial: broadcasting "
+ return "Permission Denial: broadcasting "
+ broadcastDescription(r, component)
- + " is not exported from uid " + info.activityInfo.applicationInfo.uid);
+ + " is not exported from uid " + info.activityInfo.applicationInfo.uid;
} else {
- Slog.w(TAG, "Permission Denial: broadcasting "
+ return "Permission Denial: broadcasting "
+ broadcastDescription(r, component)
- + " requires " + info.activityInfo.permission);
+ + " requires " + info.activityInfo.permission;
}
- return true;
} else if (info.activityInfo.permission != null) {
final int opCode = AppOpsManager.permissionToOpCode(info.activityInfo.permission);
if (opCode != AppOpsManager.OP_NONE && mService.getAppOpsManager().noteOpNoThrow(opCode,
r.callingUid, r.callerPackage, r.callerFeatureId,
"Broadcast delivered to " + info.activityInfo.name)
!= AppOpsManager.MODE_ALLOWED) {
- Slog.w(TAG, "Appop Denial: broadcasting "
+ return "Appop Denial: broadcasting "
+ broadcastDescription(r, component)
+ " requires appop " + AppOpsManager.permissionToOp(
- info.activityInfo.permission));
- return true;
+ info.activityInfo.permission);
}
}
@@ -142,38 +160,34 @@
android.Manifest.permission.INTERACT_ACROSS_USERS,
info.activityInfo.applicationInfo.uid)
!= PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Permission Denial: Receiver " + component.flattenToShortString()
+ return "Permission Denial: Receiver " + component.flattenToShortString()
+ " requests FLAG_SINGLE_USER, but app does not hold "
- + android.Manifest.permission.INTERACT_ACROSS_USERS);
- return true;
+ + android.Manifest.permission.INTERACT_ACROSS_USERS;
}
}
if (info.activityInfo.applicationInfo.isInstantApp()
&& r.callingUid != info.activityInfo.applicationInfo.uid) {
- Slog.w(TAG, "Instant App Denial: receiving "
+ return "Instant App Denial: receiving "
+ r.intent
+ " to " + component.flattenToShortString()
+ " due to sender " + r.callerPackage
+ " (uid " + r.callingUid + ")"
- + " Instant Apps do not support manifest receivers");
- return true;
+ + " Instant Apps do not support manifest receivers";
}
if (r.callerInstantApp
&& (info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0
&& r.callingUid != info.activityInfo.applicationInfo.uid) {
- Slog.w(TAG, "Instant App Denial: receiving "
+ return "Instant App Denial: receiving "
+ r.intent
+ " to " + component.flattenToShortString()
+ " requires receiver have visibleToInstantApps set"
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
if (r.curApp != null && r.curApp.mErrorState.isCrashing()) {
// If the target process is crashing, just skip it.
- Slog.w(TAG, "Skipping deliver ordered [" + r.queue.toString() + "] " + r
- + " to " + r.curApp + ": process crashing");
- return true;
+ return "Skipping deliver ordered [" + r.queue.toString() + "] " + r
+ + " to " + r.curApp + ": process crashing";
}
boolean isAvailable = false;
@@ -183,15 +197,13 @@
UserHandle.getUserId(info.activityInfo.applicationInfo.uid));
} catch (Exception e) {
// all such failures mean we skip this receiver
- Slog.w(TAG, "Exception getting recipient info for "
- + info.activityInfo.packageName, e);
+ return "Exception getting recipient info for "
+ + info.activityInfo.packageName;
}
if (!isAvailable) {
- Slog.w(TAG,
- "Skipping delivery to " + info.activityInfo.packageName + " / "
+ return "Skipping delivery to " + info.activityInfo.packageName + " / "
+ info.activityInfo.applicationInfo.uid
- + " : package no longer available");
- return true;
+ + " : package no longer available";
}
// If permissions need a review before any of the app components can run, we drop
@@ -201,10 +213,8 @@
if (!requestStartTargetPermissionsReviewIfNeededLocked(r,
info.activityInfo.packageName, UserHandle.getUserId(
info.activityInfo.applicationInfo.uid))) {
- Slog.w(TAG,
- "Skipping delivery: permission review required for "
- + broadcastDescription(r, component));
- return true;
+ return "Skipping delivery: permission review required for "
+ + broadcastDescription(r, component);
}
final int allowed = mService.getAppStartModeLOSP(
@@ -216,10 +226,9 @@
// to it and the app is in a state that should not receive it
// (depending on how getAppStartModeLOSP has determined that).
if (allowed == ActivityManager.APP_START_MODE_DISABLED) {
- Slog.w(TAG, "Background execution disabled: receiving "
+ return "Background execution disabled: receiving "
+ r.intent + " to "
- + component.flattenToShortString());
- return true;
+ + component.flattenToShortString();
} else if (((r.intent.getFlags()&Intent.FLAG_RECEIVER_EXCLUDE_BACKGROUND) != 0)
|| (r.intent.getComponent() == null
&& r.intent.getPackage() == null
@@ -228,10 +237,9 @@
&& !isSignaturePerm(r.requiredPermissions))) {
mService.addBackgroundCheckViolationLocked(r.intent.getAction(),
component.getPackageName());
- Slog.w(TAG, "Background execution not allowed: receiving "
+ return "Background execution not allowed: receiving "
+ r.intent + " to "
- + component.flattenToShortString());
- return true;
+ + component.flattenToShortString();
}
}
@@ -239,10 +247,8 @@
&& !mService.mUserController
.isUserRunning(UserHandle.getUserId(info.activityInfo.applicationInfo.uid),
0 /* flags */)) {
- Slog.w(TAG,
- "Skipping delivery to " + info.activityInfo.packageName + " / "
- + info.activityInfo.applicationInfo.uid + " : user is not running");
- return true;
+ return "Skipping delivery to " + info.activityInfo.packageName + " / "
+ + info.activityInfo.applicationInfo.uid + " : user is not running";
}
if (r.excludedPermissions != null && r.excludedPermissions.length > 0) {
@@ -268,13 +274,15 @@
info.activityInfo.applicationInfo.uid,
info.activityInfo.packageName)
== AppOpsManager.MODE_ALLOWED)) {
- return true;
+ return "Skipping delivery to " + info.activityInfo.packageName
+ + " due to excluded permission " + excludedPermission;
}
} else {
// When there is no app op associated with the permission,
// skip when permission is granted.
if (perm == PackageManager.PERMISSION_GRANTED) {
- return true;
+ return "Skipping delivery to " + info.activityInfo.packageName
+ + " due to excluded permission " + excludedPermission;
}
}
}
@@ -283,13 +291,12 @@
// Check that the receiver does *not* belong to any of the excluded packages
if (r.excludedPackages != null && r.excludedPackages.length > 0) {
if (ArrayUtils.contains(r.excludedPackages, component.getPackageName())) {
- Slog.w(TAG, "Skipping delivery of excluded package "
+ return "Skipping delivery of excluded package "
+ r.intent + " to "
+ component.flattenToShortString()
+ " excludes package " + component.getPackageName()
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
}
@@ -307,95 +314,94 @@
perm = PackageManager.PERMISSION_DENIED;
}
if (perm != PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Permission Denial: receiving "
+ return "Permission Denial: receiving "
+ r.intent + " to "
+ component.flattenToShortString()
+ " requires " + requiredPermission
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
int appOp = AppOpsManager.permissionToOpCode(requiredPermission);
if (appOp != AppOpsManager.OP_NONE && appOp != r.appOp) {
if (!noteOpForManifestReceiver(appOp, r, info, component)) {
- return true;
+ return "Skipping delivery to " + info.activityInfo.packageName
+ + " due to required appop " + appOp;
}
}
}
}
if (r.appOp != AppOpsManager.OP_NONE) {
if (!noteOpForManifestReceiver(r.appOp, r, info, component)) {
- return true;
+ return "Skipping delivery to " + info.activityInfo.packageName
+ + " due to required appop " + r.appOp;
}
}
- return false;
+ return null;
}
/**
* Determine if the given {@link BroadcastRecord} is eligible to be sent to
* the given {@link BroadcastFilter}.
+ *
+ * @return message indicating why the argument should be skipped, otherwise
+ * {@code null} if it can proceed.
*/
- public boolean shouldSkip(@NonNull BroadcastRecord r, @NonNull BroadcastFilter filter) {
+ private @Nullable String shouldSkipMessage(@NonNull BroadcastRecord r,
+ @NonNull BroadcastFilter filter) {
if (r.options != null && !r.options.testRequireCompatChange(filter.owningUid)) {
- Slog.w(TAG, "Compat change filtered: broadcasting " + r.intent.toString()
+ return "Compat change filtered: broadcasting " + r.intent.toString()
+ " to uid " + filter.owningUid + " due to compat change "
- + r.options.getRequireCompatChangeId());
- return true;
+ + r.options.getRequireCompatChangeId();
}
if (!mService.validateAssociationAllowedLocked(r.callerPackage, r.callingUid,
filter.packageName, filter.owningUid)) {
- Slog.w(TAG, "Association not allowed: broadcasting "
+ return "Association not allowed: broadcasting "
+ r.intent.toString()
+ " from " + r.callerPackage + " (pid=" + r.callingPid
+ ", uid=" + r.callingUid + ") to " + filter.packageName + " through "
- + filter);
- return true;
+ + filter;
}
if (!mService.mIntentFirewall.checkBroadcast(r.intent, r.callingUid,
r.callingPid, r.resolvedType, filter.receiverList.uid)) {
- Slog.w(TAG, "Firewall blocked: broadcasting "
+ return "Firewall blocked: broadcasting "
+ r.intent.toString()
+ " from " + r.callerPackage + " (pid=" + r.callingPid
+ ", uid=" + r.callingUid + ") to " + filter.packageName + " through "
- + filter);
- return true;
+ + filter;
}
// Check that the sender has permission to send to this receiver
if (filter.requiredPermission != null) {
int perm = checkComponentPermission(filter.requiredPermission,
r.callingPid, r.callingUid, -1, true);
if (perm != PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Permission Denial: broadcasting "
+ return "Permission Denial: broadcasting "
+ r.intent.toString()
+ " from " + r.callerPackage + " (pid="
+ r.callingPid + ", uid=" + r.callingUid + ")"
+ " requires " + filter.requiredPermission
- + " due to registered receiver " + filter);
- return true;
+ + " due to registered receiver " + filter;
} else {
final int opCode = AppOpsManager.permissionToOpCode(filter.requiredPermission);
if (opCode != AppOpsManager.OP_NONE
&& mService.getAppOpsManager().noteOpNoThrow(opCode, r.callingUid,
r.callerPackage, r.callerFeatureId, "Broadcast sent to protected receiver")
!= AppOpsManager.MODE_ALLOWED) {
- Slog.w(TAG, "Appop Denial: broadcasting "
+ return "Appop Denial: broadcasting "
+ r.intent.toString()
+ " from " + r.callerPackage + " (pid="
+ r.callingPid + ", uid=" + r.callingUid + ")"
+ " requires appop " + AppOpsManager.permissionToOp(
filter.requiredPermission)
- + " due to registered receiver " + filter);
- return true;
+ + " due to registered receiver " + filter;
}
}
}
if ((filter.receiverList.app == null || filter.receiverList.app.isKilled()
|| filter.receiverList.app.mErrorState.isCrashing())) {
- Slog.w(TAG, "Skipping deliver [" + r.queue.toString() + "] " + r
- + " to " + filter.receiverList + ": process gone or crashing");
- return true;
+ return "Skipping deliver [" + r.queue.toString() + "] " + r
+ + " to " + filter.receiverList + ": process gone or crashing";
}
// Ensure that broadcasts are only sent to other Instant Apps if they are marked as
@@ -405,28 +411,26 @@
if (!visibleToInstantApps && filter.instantApp
&& filter.receiverList.uid != r.callingUid) {
- Slog.w(TAG, "Instant App Denial: receiving "
+ return "Instant App Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " due to sender " + r.callerPackage
+ " (uid " + r.callingUid + ")"
- + " not specifying FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS");
- return true;
+ + " not specifying FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS";
}
if (!filter.visibleToInstantApp && r.callerInstantApp
&& filter.receiverList.uid != r.callingUid) {
- Slog.w(TAG, "Instant App Denial: receiving "
+ return "Instant App Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " requires receiver be visible to instant apps"
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
// Check that the receiver has the required permission(s) to receive this broadcast.
@@ -436,15 +440,14 @@
int perm = checkComponentPermission(requiredPermission,
filter.receiverList.pid, filter.receiverList.uid, -1, true);
if (perm != PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Permission Denial: receiving "
+ return "Permission Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " requires " + requiredPermission
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
int appOp = AppOpsManager.permissionToOpCode(requiredPermission);
if (appOp != AppOpsManager.OP_NONE && appOp != r.appOp
@@ -452,7 +455,7 @@
filter.receiverList.uid, filter.packageName, filter.featureId,
"Broadcast delivered to registered receiver " + filter.receiverId)
!= AppOpsManager.MODE_ALLOWED) {
- Slog.w(TAG, "Appop Denial: receiving "
+ return "Appop Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
@@ -460,8 +463,7 @@
+ " requires appop " + AppOpsManager.permissionToOp(
requiredPermission)
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
}
}
@@ -469,14 +471,13 @@
int perm = checkComponentPermission(null,
filter.receiverList.pid, filter.receiverList.uid, -1, true);
if (perm != PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Permission Denial: security check failed when receiving "
+ return "Permission Denial: security check failed when receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
}
// Check that the receiver does *not* have any excluded permissions
@@ -496,7 +497,7 @@
filter.receiverList.uid,
filter.packageName)
== AppOpsManager.MODE_ALLOWED)) {
- Slog.w(TAG, "Appop Denial: receiving "
+ return "Appop Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
@@ -504,22 +505,20 @@
+ " excludes appop " + AppOpsManager.permissionToOp(
excludedPermission)
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
} else {
// When there is no app op associated with the permission,
// skip when permission is granted.
if (perm == PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Permission Denial: receiving "
+ return "Permission Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " excludes " + excludedPermission
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
}
}
@@ -528,15 +527,14 @@
// Check that the receiver does *not* belong to any of the excluded packages
if (r.excludedPackages != null && r.excludedPackages.length > 0) {
if (ArrayUtils.contains(r.excludedPackages, filter.packageName)) {
- Slog.w(TAG, "Skipping delivery of excluded package "
+ return "Skipping delivery of excluded package "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " excludes package " + filter.packageName
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
}
@@ -546,15 +544,14 @@
filter.receiverList.uid, filter.packageName, filter.featureId,
"Broadcast delivered to registered receiver " + filter.receiverId)
!= AppOpsManager.MODE_ALLOWED) {
- Slog.w(TAG, "Appop Denial: receiving "
+ return "Appop Denial: receiving "
+ r.intent.toString()
+ " to " + filter.receiverList.app
+ " (pid=" + filter.receiverList.pid
+ ", uid=" + filter.receiverList.uid + ")"
+ " requires appop " + AppOpsManager.opToName(r.appOp)
+ " due to sender " + r.callerPackage
- + " (uid " + r.callingUid + ")");
- return true;
+ + " (uid " + r.callingUid + ")";
}
// Ensure that broadcasts are only sent to other apps if they are explicitly marked as
@@ -562,15 +559,14 @@
if (!filter.exported && checkComponentPermission(null, r.callingPid,
r.callingUid, filter.receiverList.uid, filter.exported)
!= PackageManager.PERMISSION_GRANTED) {
- Slog.w(TAG, "Exported Denial: sending "
+ return "Exported Denial: sending "
+ r.intent.toString()
+ ", action: " + r.intent.getAction()
+ " from " + r.callerPackage
+ " (uid=" + r.callingUid + ")"
+ " due to receiver " + filter.receiverList.app
+ " (uid " + filter.receiverList.uid + ")"
- + " not specifying RECEIVER_EXPORTED");
- return true;
+ + " not specifying RECEIVER_EXPORTED";
}
// If permissions need a review before any of the app components can run, we drop
@@ -579,10 +575,10 @@
// broadcast.
if (!requestStartTargetPermissionsReviewIfNeededLocked(r, filter.packageName,
filter.owningUserId)) {
- return true;
+ return "Skipping delivery to " + filter.packageName + " due to permissions review";
}
- return false;
+ return null;
}
private static String broadcastDescription(BroadcastRecord r, ComponentName component) {
diff --git a/services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java b/services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java
index e1a4c1d..de59603 100644
--- a/services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java
@@ -280,13 +280,13 @@
constants.TIMEOUT = 100;
constants.ALLOW_BG_ACTIVITY_START_TIMEOUT = 0;
final BroadcastSkipPolicy emptySkipPolicy = new BroadcastSkipPolicy(mAms) {
- public boolean shouldSkip(BroadcastRecord r, ResolveInfo info) {
+ public boolean shouldSkip(BroadcastRecord r, Object o) {
// Ignored
return false;
}
- public boolean shouldSkip(BroadcastRecord r, BroadcastFilter filter) {
+ public String shouldSkipMessage(BroadcastRecord r, Object o) {
// Ignored
- return false;
+ return null;
}
};
final BroadcastHistory emptyHistory = new BroadcastHistory(constants) {