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-rw-r--r--services/core/java/com/android/server/pm/Computer.java6
-rw-r--r--services/core/java/com/android/server/pm/ComputerEngine.java8
-rw-r--r--services/core/java/com/android/server/pm/PackageManagerService.java33
3 files changed, 33 insertions, 14 deletions
diff --git a/services/core/java/com/android/server/pm/Computer.java b/services/core/java/com/android/server/pm/Computer.java
index 423c276091f3..9bdb12d468eb 100644
--- a/services/core/java/com/android/server/pm/Computer.java
+++ b/services/core/java/com/android/server/pm/Computer.java
@@ -203,6 +203,12 @@ public interface Computer extends PackageDataSnapshot {
boolean filterSharedLibPackage(@Nullable PackageStateInternal ps, int uid, int userId,
long flags);
boolean isCallerSameApp(String packageName, int uid);
+ /**
+ * Returns true if the package name and the uid represent the same app.
+ *
+ * @param resolveIsolatedUid if true, resolves an isolated uid into the real uid.
+ */
+ boolean isCallerSameApp(String packageName, int uid, boolean resolveIsolatedUid);
boolean isComponentVisibleToInstantApp(@Nullable ComponentName component);
boolean isComponentVisibleToInstantApp(@Nullable ComponentName component,
@PackageManager.ComponentType int type);
diff --git a/services/core/java/com/android/server/pm/ComputerEngine.java b/services/core/java/com/android/server/pm/ComputerEngine.java
index bef87c4e5521..e46406b23c6c 100644
--- a/services/core/java/com/android/server/pm/ComputerEngine.java
+++ b/services/core/java/com/android/server/pm/ComputerEngine.java
@@ -2209,11 +2209,19 @@ public class ComputerEngine implements Computer {
}
public final boolean isCallerSameApp(String packageName, int uid) {
+ return isCallerSameApp(packageName, uid, false /* resolveIsolatedUid */);
+ }
+
+ @Override
+ public final boolean isCallerSameApp(String packageName, int uid, boolean resolveIsolatedUid) {
if (Process.isSdkSandboxUid(uid)) {
return (packageName != null
&& packageName.equals(mService.getSdkSandboxPackageName()));
}
AndroidPackage pkg = mPackages.get(packageName);
+ if (resolveIsolatedUid && Process.isIsolated(uid)) {
+ uid = getIsolatedOwner(uid);
+ }
return pkg != null
&& UserHandle.getAppId(uid) == pkg.getUid();
}
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 8fed153825db..6e54d0bbd656 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -5242,25 +5242,30 @@ public class PackageManagerService implements PackageSender, TestUtilityService
Map<String, String> classLoaderContextMap,
String loaderIsa) {
int callingUid = Binder.getCallingUid();
- if (PackageManagerService.PLATFORM_PACKAGE_NAME.equals(loadingPackageName)
- && callingUid != Process.SYSTEM_UID) {
+
+ // TODO(b/254043366): System server should not report its own dex load because there's
+ // nothing ART can do with it.
+
+ Computer snapshot = snapshot();
+
+ // System server should be able to report dex load on behalf of other apps. E.g., it
+ // could potentially resend the notifications in order to migrate the existing dex load
+ // info to ART Service.
+ if (!PackageManagerServiceUtils.isSystemOrRoot()
+ && !snapshot.isCallerSameApp(
+ loadingPackageName, callingUid, true /* resolveIsolatedUid */)) {
Slog.w(PackageManagerService.TAG,
- "Non System Server process reporting dex loads as system server. uid="
- + callingUid);
- // Do not record dex loads from processes pretending to be system server.
- // Only the system server should be assigned the package "android", so reject calls
- // that don't satisfy the constraint.
- //
- // notifyDexLoad is a PM API callable from the app process. So in theory, apps could
- // craft calls to this API and pretend to be system server. Doing so poses no
- // particular danger for dex load reporting or later dexopt, however it is a
- // sensible check to do in order to verify the expectations.
+ TextUtils.formatSimple(
+ "Invalid dex load report. loadingPackageName=%s, uid=%d",
+ loadingPackageName, callingUid));
return;
}
+ // TODO(b/254043366): Call `ArtManagerLocal.notifyDexLoad`.
+
int userId = UserHandle.getCallingUserId();
- ApplicationInfo ai = snapshot().getApplicationInfo(loadingPackageName, /*flags*/ 0,
- userId);
+ ApplicationInfo ai =
+ snapshot.getApplicationInfo(loadingPackageName, /*flags*/ 0, userId);
if (ai == null) {
Slog.w(PackageManagerService.TAG, "Loading a package that does not exist for the calling user. package="
+ loadingPackageName + ", user=" + userId);