mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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202033c013
This adds 3 expat patches for n-asb-2022-09 from https://github.com/syphyr/android_external_expat/commits/cm-14.1 and also applies 2 of them to 15.1 Signed-off-by: Tad <tad@spotco.us>
61 lines
2.3 KiB
Diff
61 lines
2.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Makoto Onuki <omakoto@google.com>
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Date: Tue, 19 Apr 2022 10:54:18 -0700
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Subject: [PATCH] Only allow the system server to connect to sync adapters
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Bug: 203229608
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Test: Manual test with changing the check logic + debug log
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Change-Id: If18009f61360564d02dcda9b1e5fa15685e3250f
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(cherry picked from commit 58270527d11ac7e5f07d337a402d8edf046a63ee)
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(cherry picked from commit 7d1397a54475ed7fee632339ef7c60b432f0fbff)
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Merged-In: If18009f61360564d02dcda9b1e5fa15685e3250f
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---
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.../content/AbstractThreadedSyncAdapter.java | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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diff --git a/core/java/android/content/AbstractThreadedSyncAdapter.java b/core/java/android/content/AbstractThreadedSyncAdapter.java
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index 58bd5cda825d..9d1978a3a5ef 100644
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--- a/core/java/android/content/AbstractThreadedSyncAdapter.java
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+++ b/core/java/android/content/AbstractThreadedSyncAdapter.java
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@@ -17,6 +17,7 @@
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package android.content;
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import android.accounts.Account;
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+import android.os.Binder;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.Process;
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@@ -160,9 +161,22 @@ public abstract class AbstractThreadedSyncAdapter {
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}
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private class ISyncAdapterImpl extends ISyncAdapter.Stub {
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+ private boolean isCallerSystem() {
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+ final long callingUid = Binder.getCallingUid();
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+ if (callingUid != Process.SYSTEM_UID) {
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+ android.util.EventLog.writeEvent(0x534e4554, "203229608", -1, "");
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+ return false;
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+ }
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+ return true;
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+ }
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+
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@Override
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public void startSync(ISyncContext syncContext, String authority, Account account,
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Bundle extras) {
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+ if (!isCallerSystem()) {
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+ return;
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+ }
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+
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final SyncContext syncContextClient = new SyncContext(syncContext);
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boolean alreadyInProgress;
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@@ -203,6 +217,9 @@ public abstract class AbstractThreadedSyncAdapter {
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@Override
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public void cancelSync(ISyncContext syncContext) {
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+ if (!isCallerSystem()) {
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+ return;
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+ }
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// synchronize to make sure that mSyncThreads doesn't change between when we
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// check it and when we use it
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SyncThread info = null;
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