DivestOS/Patches/LineageOS-20.0/android_packages_apps_Settings/0018-CC2_Toggle.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Wed, 20 Apr 2022 01:04:27 -0400
Subject: [PATCH] Add a toggle for CarrierConfig2 enablement
Copy and pasted from the GrapheneOS exec spawning toggle patch
TODO: MOVE OUT OF SECURITY CATEGORY
Change-Id: Ibea6ea9bed1c2ae3491f403d9e5c17c1d1c403f1
Signed-off-by: Tad <tad@spotco.us>
---
res/values/strings.xml | 3 +
res/xml/security_dashboard_settings.xml | 6 +
.../CarrierConfig2PreferenceController.java | 106 ++++++++++++++++++
.../settings/security/SecuritySettings.java | 1 +
4 files changed, 116 insertions(+)
create mode 100644 src/com/android/settings/security/CarrierConfig2PreferenceController.java
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 7dcc89b560..cd6ee50ad7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -762,6 +762,9 @@
<string name="openeuicc_title">Enable eUICC management</string>
<string name="openeuicc_summary">Enables the OpenEUICC app to allow management of virtual (eSIM) and physical eUICC cards. Requires reboot.</string>
+ <string name="carrierconfig2_title">Enable CarrierConfig2</string>
+ <string name="carrierconfig2_summary">Use a larger Google database instead of the AOSP database for carrier specific configurations. May improve cellular network compatibility &amp; functionality. Requires reboot.</string>
+
<!-- Text shown for the title of the lock when trust lost option [CHAR LIMIT=40] -->
<string name="trust_lost_locks_screen_title">Lock screen when trust is lost</string>
<!-- Text shown for the description of the lock when trust lost option [CHAR LIMIT=NONE -->
diff --git a/res/xml/security_dashboard_settings.xml b/res/xml/security_dashboard_settings.xml
index de90cec5bc..d8766ab41a 100644
--- a/res/xml/security_dashboard_settings.xml
+++ b/res/xml/security_dashboard_settings.xml
@@ -98,6 +98,12 @@
android:title="@string/openeuicc_title"
android:summary="@string/openeuicc_summary"
android:persistent="false" />
+
+ <SwitchPreference
+ android:key="carrierconfig2"
+ android:title="@string/carrierconfig2_title"
+ android:summary="@string/carrierconfig2_summary"
+ android:persistent="false" />
</PreferenceCategory>
<Preference
diff --git a/src/com/android/settings/security/CarrierConfig2PreferenceController.java b/src/com/android/settings/security/CarrierConfig2PreferenceController.java
new file mode 100644
index 0000000000..a3e5aa1759
--- /dev/null
+++ b/src/com/android/settings/security/CarrierConfig2PreferenceController.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settings.security;
+
+import android.content.Context;
+
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.os.SystemProperties;
+
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+
+public class CarrierConfig2PreferenceController extends AbstractPreferenceController
+ implements PreferenceControllerMixin, OnResume, Preference.OnPreferenceChangeListener {
+
+ private static final String SYS_KEY_CARRIERCONFIG2_ENABLE = "persist.security.carrierconfig2";
+ private static final String PREF_KEY_CARRIERCONFIG2_ENABLE = "carrierconfig2";
+ private static final String PREF_KEY_SECURITY_CATEGORY = "security_category";
+
+ private PreferenceCategory mSecurityCategory;
+ private SwitchPreference mCarrierConfig2Enable;
+ private boolean mIsAdmin;
+ private UserManager mUm;
+
+ public CarrierConfig2PreferenceController(Context context) {
+ super(context);
+ mUm = UserManager.get(context);
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+ mSecurityCategory = screen.findPreference(PREF_KEY_SECURITY_CATEGORY);
+ updatePreferenceState();
+ }
+
+ @Override
+ public boolean isAvailable() {
+ mIsAdmin = mUm.isAdminUser();
+ return mIsAdmin;
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return PREF_KEY_CARRIERCONFIG2_ENABLE;
+ }
+
+ // TODO: should we use onCreatePreferences() instead?
+ private void updatePreferenceState() {
+ if (mSecurityCategory == null) {
+ return;
+ }
+
+ if (mIsAdmin) {
+ mCarrierConfig2Enable = (SwitchPreference) mSecurityCategory.findPreference(PREF_KEY_CARRIERCONFIG2_ENABLE);
+ mCarrierConfig2Enable.setChecked(SystemProperties.getInt(SYS_KEY_CARRIERCONFIG2_ENABLE, 0) == 1);
+ } else {
+ mSecurityCategory.removePreference(mSecurityCategory.findPreference(PREF_KEY_CARRIERCONFIG2_ENABLE));
+ }
+ }
+
+ @Override
+ public void onResume() {
+ updatePreferenceState();
+ if (mCarrierConfig2Enable != null) {
+ boolean mode = mCarrierConfig2Enable.isChecked();
+ SystemProperties.set(SYS_KEY_CARRIERCONFIG2_ENABLE, mode ? "1" : "0");
+ }
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object value) {
+ final String key = preference.getKey();
+ if (PREF_KEY_CARRIERCONFIG2_ENABLE.equals(key)) {
+ final boolean mode = !mCarrierConfig2Enable.isChecked();
+ SystemProperties.set(SYS_KEY_CARRIERCONFIG2_ENABLE, mode ? "1" : "0");
+ }
+ return true;
+ }
+}
diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java
index ef92897f88..b1e27f6ce2 100644
--- a/src/com/android/settings/security/SecuritySettings.java
+++ b/src/com/android/settings/security/SecuritySettings.java
@@ -111,6 +111,7 @@ public class SecuritySettings extends DashboardFragment {
securityPreferenceControllers.add(new HostsPreferenceController(context));
securityPreferenceControllers.add(new SigSpoofPreferenceController(context));
securityPreferenceControllers.add(new OpenEuiccPreferenceController(context));
+ securityPreferenceControllers.add(new CarrierConfig2PreferenceController(context));
controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
.setChildren(securityPreferenceControllers));
controllers.addAll(securityPreferenceControllers);