mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-10-01 01:35:54 -04:00
67 lines
2.6 KiB
Diff
67 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Makoto Onuki <omakoto@google.com>
|
|
Date: Tue, 19 Apr 2022 10:54:18 -0700
|
|
Subject: [PATCH] Only allow the system server to connect to sync adapters
|
|
|
|
Bug: 203229608
|
|
Test: Manual test with changing the check logic + debug log
|
|
Change-Id: If18009f61360564d02dcda9b1e5fa15685e3250f
|
|
(cherry picked from commit 58270527d11ac7e5f07d337a402d8edf046a63ee)
|
|
(cherry picked from commit 7d1397a54475ed7fee632339ef7c60b432f0fbff)
|
|
Merged-In: If18009f61360564d02dcda9b1e5fa15685e3250f
|
|
---
|
|
.../content/AbstractThreadedSyncAdapter.java | 17 +++++++++++++++++
|
|
1 file changed, 17 insertions(+)
|
|
|
|
diff --git a/core/java/android/content/AbstractThreadedSyncAdapter.java b/core/java/android/content/AbstractThreadedSyncAdapter.java
|
|
index 2629929e91ce..be78f4047ab1 100644
|
|
--- a/core/java/android/content/AbstractThreadedSyncAdapter.java
|
|
+++ b/core/java/android/content/AbstractThreadedSyncAdapter.java
|
|
@@ -17,6 +17,7 @@
|
|
package android.content;
|
|
|
|
import android.accounts.Account;
|
|
+import android.os.Binder;
|
|
import android.os.Build;
|
|
import android.os.Bundle;
|
|
import android.os.IBinder;
|
|
@@ -165,15 +166,28 @@ public abstract class AbstractThreadedSyncAdapter {
|
|
}
|
|
|
|
private class ISyncAdapterImpl extends ISyncAdapter.Stub {
|
|
+ private boolean isCallerSystem() {
|
|
+ final long callingUid = Binder.getCallingUid();
|
|
+ if (callingUid != Process.SYSTEM_UID) {
|
|
+ android.util.EventLog.writeEvent(0x534e4554, "203229608", -1, "");
|
|
+ return false;
|
|
+ }
|
|
+ return true;
|
|
+ }
|
|
+
|
|
@Override
|
|
public void startSync(ISyncContext syncContext, String authority, Account account,
|
|
Bundle extras) {
|
|
+ if (!isCallerSystem()) {
|
|
+ return;
|
|
+ }
|
|
if (ENABLE_LOG) {
|
|
if (extras != null) {
|
|
extras.size(); // Unparcel so its toString() will show the contents.
|
|
}
|
|
Log.d(TAG, "startSync() start " + authority + " " + account + " " + extras);
|
|
}
|
|
+
|
|
try {
|
|
final SyncContext syncContextClient = new SyncContext(syncContext);
|
|
|
|
@@ -229,6 +243,9 @@ public abstract class AbstractThreadedSyncAdapter {
|
|
|
|
@Override
|
|
public void cancelSync(ISyncContext syncContext) {
|
|
+ if (!isCallerSystem()) {
|
|
+ return;
|
|
+ }
|
|
try {
|
|
// synchronize to make sure that mSyncThreads doesn't change between when we
|
|
// check it and when we use it
|