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Commit c3a799e9 authored by /e/ robot's avatar /e/ robot
Browse files

Merge remote-tracking branch 'origin/lineage-16.0' into v1-pie

parents b78c71a8 ec1408d1
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+14 −1
Original line number Diff line number Diff line
@@ -131,7 +131,7 @@ public final class CredentialStorage extends Activity {
        String action = intent.getAction();
        UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
        if (!userManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS)) {
            if (ACTION_RESET.equals(action)) {
            if (ACTION_RESET.equals(action) && checkCallerIsSelf()) {
                new ResetDialog();
            } else {
                if (ACTION_INSTALL.equals(action) && checkCallerIsCertInstallerOrSelfInProfile()) {
@@ -427,6 +427,19 @@ public final class CredentialStorage extends Activity {
        }
    }

    /**
     * Check that the caller is Settings.
     */
    private boolean checkCallerIsSelf() {
        try {
            return Process.myUid() == android.app.ActivityManager.getService()
                    .getLaunchedFromUid(getActivityToken());
        } catch (RemoteException re) {
            // Error talking to ActivityManager, just give up
            return false;
        }
    }

    /**
     * Check that the caller is either certinstaller or Settings running in a profile of this user.
     */
+17 −7
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@
package com.android.settings.users;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
@@ -44,6 +45,7 @@ import android.support.v7.preference.Preference.OnPreferenceChangeListener;
import android.support.v7.preference.Preference.OnPreferenceClickListener;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.PreferenceViewHolder;
import android.util.EventLog;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
@@ -634,7 +636,15 @@ public class AppRestrictionsFragment extends SettingsPreferenceFragment implemen
            } else if (restrictionsIntent != null) {
                preference.setRestrictions(restrictions);
                if (invokeIfCustom && AppRestrictionsFragment.this.isResumed()) {
                    try {
                        assertSafeToStartCustomActivity(restrictionsIntent);
                    } catch (ActivityNotFoundException | SecurityException e) {
                        // return without startActivity
                        Log.e(TAG, "Cannot start restrictionsIntent " + e);
                        EventLog.writeEvent(0x534e4554, "200688991", -1 /* UID */, "");
                        return;
                    }

                    int requestCode = generateCustomActivityRequestCode(
                            RestrictionsResultReceiver.this.preference);
                    AppRestrictionsFragment.this.startActivityForResult(
@@ -648,14 +658,14 @@ public class AppRestrictionsFragment extends SettingsPreferenceFragment implemen
            if (intent.getPackage() != null && intent.getPackage().equals(packageName)) {
                return;
            }
            // Activity can be started if intent resolves to multiple activities
            List<ResolveInfo> resolveInfos = AppRestrictionsFragment.this.mPackageManager
                    .queryIntentActivities(intent, 0 /* no flags */);
            if (resolveInfos.size() != 1) {
                return;
            ResolveInfo resolveInfo = mPackageManager.resolveActivity(
                    intent, PackageManager.MATCH_DEFAULT_ONLY);

            if (resolveInfo == null) {
                throw new ActivityNotFoundException("No result for resolving " + intent);
            }
            // Prevent potential privilege escalation
            ActivityInfo activityInfo = resolveInfos.get(0).activityInfo;
            ActivityInfo activityInfo = resolveInfo.activityInfo;
            if (!packageName.equals(activityInfo.packageName)) {
                throw new SecurityException("Application " + packageName
                        + " is not allowed to start activity " + intent);