DivestOS/Patches/LineageOS-20.0/android_packages_apps_Settings/0008-ptrace_scope.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: flawedworld <38294951+flawedworld@users.noreply.github.com>
Date: Tue, 6 Apr 2021 01:15:32 +0100
Subject: [PATCH] add native debugging setting
---
res/values/strings.xml | 3 +
res/xml/security_dashboard_settings.xml | 6 +
.../NativeDebugPreferenceController.java | 106 ++++++++++++++++++
.../settings/security/SecuritySettings.java | 1 +
4 files changed, 116 insertions(+)
create mode 100644 src/com/android/settings/security/NativeDebugPreferenceController.java
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 124473edde..446fa056cd 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -742,6 +742,9 @@
<string name="auto_reboot_title">Auto reboot</string>
<string name="auto_reboot_summary">Automatically reboot the device, if the phone hasn\'t been unlocked within the selected number of hours.</string>
+ <string name="native_debug_title">Enable native code debugging</string>
+ <string name="native_debug_summary">Generate useful logs / bug reports from crashes and permit debugging native code.</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 d0aeb27fe5..61e2db495a 100644
--- a/res/xml/security_dashboard_settings.xml
+++ b/res/xml/security_dashboard_settings.xml
@@ -68,6 +68,12 @@
android:persistent="false"
android:entries="@array/auto_reboot_entries"
android:entryValues="@array/auto_reboot_values" />
+
+ <SwitchPreference
+ android:key="native_debug"
+ android:title="@string/native_debug_title"
+ android:summary="@string/native_debug_summary"
+ android:persistent="false" />
</PreferenceCategory>
<Preference
diff --git a/src/com/android/settings/security/NativeDebugPreferenceController.java b/src/com/android/settings/security/NativeDebugPreferenceController.java
new file mode 100644
index 0000000000..9271e6e21c
--- /dev/null
+++ b/src/com/android/settings/security/NativeDebugPreferenceController.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2020 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 NativeDebugPreferenceController extends AbstractPreferenceController
+ implements PreferenceControllerMixin, OnResume, Preference.OnPreferenceChangeListener {
+
+ private static final String SYS_KEY_NATIVE_DEBUG = "persist.native_debug";
+ private static final String PREF_KEY_NATIVE_DEBUG = "native_debug";
+ private static final String PREF_KEY_SECURITY_CATEGORY = "security_category";
+
+ private PreferenceCategory mSecurityCategory;
+ private SwitchPreference mNativeDebug;
+ private boolean mIsAdmin;
+ private UserManager mUm;
+
+ public NativeDebugPreferenceController(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_NATIVE_DEBUG;
+ }
+
+ // TODO: should we use onCreatePreferences() instead?
+ private void updatePreferenceState() {
+ if (mSecurityCategory == null) {
+ return;
+ }
+
+ if (mIsAdmin) {
+ mNativeDebug = (SwitchPreference) mSecurityCategory.findPreference(PREF_KEY_NATIVE_DEBUG);
+ mNativeDebug.setChecked(SystemProperties.getBoolean(SYS_KEY_NATIVE_DEBUG, true));
+ } else {
+ mSecurityCategory.removePreference(mSecurityCategory.findPreference(PREF_KEY_NATIVE_DEBUG));
+ }
+ }
+
+ @Override
+ public void onResume() {
+ updatePreferenceState();
+ if (mNativeDebug != null) {
+ boolean mode = mNativeDebug.isChecked();
+ SystemProperties.set(SYS_KEY_NATIVE_DEBUG, Boolean.toString(mode));
+ }
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object value) {
+ final String key = preference.getKey();
+ if (PREF_KEY_NATIVE_DEBUG.equals(key)) {
+ final boolean mode = !mNativeDebug.isChecked();
+ SystemProperties.set(SYS_KEY_NATIVE_DEBUG, Boolean.toString(mode));
+ }
+ return true;
+ }
+}
diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java
index abc3dce662..706a9b572c 100644
--- a/src/com/android/settings/security/SecuritySettings.java
+++ b/src/com/android/settings/security/SecuritySettings.java
@@ -106,6 +106,7 @@ public class SecuritySettings extends DashboardFragment {
context, lifecycle));
securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host));
securityPreferenceControllers.add(new AutoRebootPreferenceController(context));
+ securityPreferenceControllers.add(new NativeDebugPreferenceController(context));
controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
.setChildren(securityPreferenceControllers));
controllers.addAll(securityPreferenceControllers);