DivestOS/Patches/LineageOS-20.0/ASB2023-09/settings-03.patch
Tad 964877bbf6
20.0: September ASB picks
wget b96ee4a2d1.patch -O telephony-01.patch
wget c16e6e78c1.patch -O media-01.patch
wget d5771450d7.patch -O media-02.patch
wget a1370bd00c.patch -O nn-01.patch
wget ce2776f4ca.patch -O bt-01.patch
wget 585f583ef5.patch -O bt-02.patch
wget c9905e7968.patch -O bt-03.patch
wget c93ec045f5.patch -O bt-04.patch
wget 89fb17d172.patch -O bt-05.patch
wget 14aed2455e.patch -O bt-06.patch
wget cd438ebc52.patch -O bt-07.patch
wget 27e7cdc4e5.patch -O nfc-01.patch
wget dfeb4270b8.patch -O launcher-01.patch
wget b1993f6cec.patch -O native-01.patch
wget df4a9362cd.patch -O fwb-01.patch
wget b55563bb9d.patch -O fwb-02.patch
wget a80971a281.patch -O fwb-03.patch
wget 7e173b4383.patch -O fwb-04.patch
wget 44191b1c6b.patch -O fwb-05.patch
wget 8dc8dfe572.patch -O fwb-06.patch
wget 00a4224100.patch -O av-01.patch
wget 21623d1f43.patch -O settings-01.patch
wget fa5ec443d9.patch -O settings-02.patch
wget ba4da9c7b3.patch -O settings-03.patch

Signed-off-by: Tad <tad@spotco.us>
2023-09-06 15:42:52 -04:00

229 lines
12 KiB
Diff

From ba4da9c7b3a711a5e1c73dcf361b0c14fe02ebf4 Mon Sep 17 00:00:00 2001
From: Taran Singh <tarandeep@google.com>
Date: Fri, 19 May 2023 23:17:47 +0000
Subject: [PATCH] DO NOT MERGE: Prevent non-system IME from becoming device
admin
Currently selected IME can inject KeyEvent on DeviceAdminAdd screen to
activate itself as device admin and cause various DoS attacks.
This CL ensures KeyEvent on "Activate" button can only come from system
apps.
Bug: 280793427
Test: atest DeviceAdminActivationTest
(cherry picked from commit 70a501d02e0a6aefd874767a15378ba998759373)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:0976cd789d3bfb593e73237b5b0adc39933a1c1c)
Merged-In: I6470d1684d707f4b1e86f8b456be0b4e0af5f188
Change-Id: I6470d1684d707f4b1e86f8b456be0b4e0af5f188
---
.../deviceadmin/DeviceAdminAdd.java | 129 +++++++++---------
1 file changed, 68 insertions(+), 61 deletions(-)
diff --git a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
index fa76a948c06..5746d13666a 100644
--- a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
+++ b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
@@ -66,6 +66,7 @@
import android.util.EventLog;
import android.util.Log;
import android.view.Display;
+import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@@ -156,12 +157,12 @@ protected void onCreate(Bundle icicle) {
mHandler = new Handler(getMainLooper());
- mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
- mAppOps = (AppOpsManager)getSystemService(Context.APP_OPS_SERVICE);
- mLayoutInflaternflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+ mDPM = getSystemService(DevicePolicyManager.class);
+ mAppOps = getSystemService(AppOpsManager.class);
+ mLayoutInflaternflater = getSystemService(LayoutInflater.class);
PackageManager packageManager = getPackageManager();
- if ((getIntent().getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
+ if ((getIntent().getFlags() & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
Log.w(TAG, "Cannot start ADD_DEVICE_ADMIN as a new task");
finish();
return;
@@ -171,7 +172,7 @@ protected void onCreate(Bundle icicle) {
EXTRA_CALLED_FROM_SUPPORT_DIALOG, false);
String action = getIntent().getAction();
- ComponentName who = (ComponentName)getIntent().getParcelableExtra(
+ ComponentName who = (ComponentName) getIntent().getParcelableExtra(
DevicePolicyManager.EXTRA_DEVICE_ADMIN);
if (who == null) {
String packageName = getIntent().getStringExtra(EXTRA_DEVICE_ADMIN_PACKAGE_NAME);
@@ -229,7 +230,7 @@ protected void onCreate(Bundle icicle) {
PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS);
int count = avail == null ? 0 : avail.size();
boolean found = false;
- for (int i=0; i<count; i++) {
+ for (int i = 0; i < count; i++) {
ResolveInfo ri = avail.get(i);
if (ai.packageName.equals(ri.activityInfo.packageName)
&& ai.name.equals(ri.activityInfo.name)) {
@@ -345,22 +346,22 @@ public void onDismiss(DialogInterface dialogInterface) {
mAdminWarning = dialog.findViewById(R.id.admin_warning_simplified);
mAdminWarning.setText(
mDPM.getResources().getString(NEW_DEVICE_ADMIN_WARNING_SIMPLIFIED, () ->
- getString(R.string.device_admin_warning_simplified,
- mProfileOwnerName), mProfileOwnerName));
+ getString(R.string.device_admin_warning_simplified,
+ mProfileOwnerName), mProfileOwnerName));
return;
}
setContentView(R.layout.device_admin_add);
- mAdminIcon = (ImageView)findViewById(R.id.admin_icon);
- mAdminName = (TextView)findViewById(R.id.admin_name);
- mAdminDescription = (TextView)findViewById(R.id.admin_description);
+ mAdminIcon = (ImageView) findViewById(R.id.admin_icon);
+ mAdminName = (TextView) findViewById(R.id.admin_name);
+ mAdminDescription = (TextView) findViewById(R.id.admin_description);
mProfileOwnerWarning = (TextView) findViewById(R.id.profile_owner_warning);
mProfileOwnerWarning.setText(
mDPM.getResources().getString(SET_PROFILE_OWNER_POSTSETUP_WARNING,
() -> getString(R.string.adding_profile_owner_warning)));
- mAddMsg = (TextView)findViewById(R.id.add_msg);
+ mAddMsg = (TextView) findViewById(R.id.add_msg);
mAddMsgExpander = (ImageView) findViewById(R.id.add_msg_expander);
final View.OnClickListener onClickListener = new View.OnClickListener() {
@Override
@@ -381,7 +382,7 @@ public void onGlobalLayout() {
boolean hideMsgExpander = mAddMsg.getLineCount() <= maxLines;
mAddMsgExpander.setVisibility(hideMsgExpander ? View.GONE : View.VISIBLE);
if (hideMsgExpander) {
- ((View)mAddMsgExpander.getParent()).invalidate();
+ ((View) mAddMsgExpander.getParent()).invalidate();
}
mAddMsg.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
@@ -399,7 +400,7 @@ public void onGlobalLayout() {
mCancelButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
EventLog.writeEvent(EventLogTags.EXP_DET_DEVICE_ADMIN_DECLINED_BY_USER,
- mDeviceAdmin.getActivityInfo().applicationInfo.uid);
+ mDeviceAdmin.getActivityInfo().applicationInfo.uid);
finish();
}
});
@@ -421,58 +422,64 @@ public void onClick(View v) {
final View restrictedAction = findViewById(R.id.restricted_action);
restrictedAction.setFilterTouchesWhenObscured(true);
- restrictedAction.setOnClickListener(new View.OnClickListener() {
- public void onClick(View v) {
- if (!mActionButton.isEnabled()) {
- showPolicyTransparencyDialogIfRequired();
- return;
- }
- if (mAdding) {
- addAndFinish();
- } else if (isManagedProfile(mDeviceAdmin)
- && mDeviceAdmin.getComponent().equals(mDPM.getProfileOwner())) {
- final int userId = UserHandle.myUserId();
- UserDialogs.createRemoveDialog(DeviceAdminAdd.this, userId,
- new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- UserManager um = UserManager.get(DeviceAdminAdd.this);
- um.removeUser(userId);
- finish();
- }
+
+ final View.OnClickListener restrictedActionClickListener = v -> {
+ if (!mActionButton.isEnabled()) {
+ showPolicyTransparencyDialogIfRequired();
+ return;
+ }
+ if (mAdding) {
+ addAndFinish();
+ } else if (isManagedProfile(mDeviceAdmin)
+ && mDeviceAdmin.getComponent().equals(mDPM.getProfileOwner())) {
+ final int userId = UserHandle.myUserId();
+ UserDialogs.createRemoveDialog(DeviceAdminAdd.this, userId,
+ new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ UserManager um = UserManager.get(DeviceAdminAdd.this);
+ um.removeUser(userId);
+ finish();
}
- ).show();
- } else if (mUninstalling) {
- mDPM.uninstallPackageWithActiveAdmins(mDeviceAdmin.getPackageName());
- finish();
- } else if (!mWaitingForRemoveMsg) {
- try {
- // Don't allow the admin to put a dialog up in front
- // of us while we interact with the user.
- ActivityManager.getService().stopAppSwitches();
- } catch (RemoteException e) {
- }
- mWaitingForRemoveMsg = true;
- mDPM.getRemoveWarning(mDeviceAdmin.getComponent(),
- new RemoteCallback(new RemoteCallback.OnResultListener() {
- @Override
- public void onResult(Bundle result) {
- CharSequence msg = result != null
- ? result.getCharSequence(
- DeviceAdminReceiver.EXTRA_DISABLE_WARNING)
- : null;
- continueRemoveAction(msg);
- }
- }, mHandler));
- // Don't want to wait too long.
- getWindow().getDecorView().getHandler().postDelayed(new Runnable() {
- @Override public void run() {
- continueRemoveAction(null);
}
- }, 2*1000);
+ ).show();
+ } else if (mUninstalling) {
+ mDPM.uninstallPackageWithActiveAdmins(mDeviceAdmin.getPackageName());
+ finish();
+ } else if (!mWaitingForRemoveMsg) {
+ try {
+ // Don't allow the admin to put a dialog up in front
+ // of us while we interact with the user.
+ ActivityManager.getService().stopAppSwitches();
+ } catch (RemoteException e) {
}
+ mWaitingForRemoveMsg = true;
+ mDPM.getRemoveWarning(mDeviceAdmin.getComponent(),
+ new RemoteCallback(new RemoteCallback.OnResultListener() {
+ @Override
+ public void onResult(Bundle result) {
+ CharSequence msg = result != null
+ ? result.getCharSequence(
+ DeviceAdminReceiver.EXTRA_DISABLE_WARNING)
+ : null;
+ continueRemoveAction(msg);
+ }
+ }, mHandler));
+ // Don't want to wait too long.
+ getWindow().getDecorView().getHandler().postDelayed(
+ () -> continueRemoveAction(null), 2 * 1000);
+ }
+ };
+ restrictedAction.setOnKeyListener((view, keyCode, keyEvent) -> {
+ if ((keyEvent.getFlags() & KeyEvent.FLAG_FROM_SYSTEM) == 0) {
+ Log.e(TAG, "Can not activate device-admin with KeyEvent from non-system app.");
+ // Consume event to suppress click.
+ return true;
}
+ // Fallback to view click handler.
+ return false;
});
+ restrictedAction.setOnClickListener(restrictedActionClickListener);
}
/**