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DivestOS/Patches/CyanogenMod-13.0/android_packages_apps_Settings/DNSCrypt.patch
Tad c0083c1519 Initial commit, long overdue
2016-12-21 19:30:02 -05:00

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From b2252cf1a4b22d60dae76300415ad5bbc6cd0a89 Mon Sep 17 00:00:00 2001
From: Martin Brabham <optedoblivion@cyngn.com>
Date: Fri, 9 Jan 2015 14:49:10 -0800
Subject: [PATCH] DNSCrypt: Add settings for starting/stopping and configuring
the DNSCrypt daemon.
Wire up to framework Settings.Secure
Change-Id: I846e30f7121460b1eed9879d9d225ffe1506050b
---
AndroidManifest.xml | 10 ++
res/values/cm_strings.xml | 11 ++
res/xml/dns_crypt_settings.xml | 38 +++++
res/xml/privacy_settings_cyanogenmod.xml | 10 ++
.../dnscrypt/DnsCryptPreferenceActivity.java | 149 ++++++++++++++++++++
.../settings/dnscrypt/LoadConfigFileTask.java | 152 ++++++++++++++++++++
.../dnscrypt/model/DnsCryptServerEntry.java | 155 +++++++++++++++++++++
7 files changed, 525 insertions(+)
create mode 100644 res/xml/dns_crypt_settings.xml
create mode 100644 src/com/android/settings/dnscrypt/DnsCryptPreferenceActivity.java
create mode 100644 src/com/android/settings/dnscrypt/LoadConfigFileTask.java
create mode 100644 src/com/android/settings/dnscrypt/model/DnsCryptServerEntry.java
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f38e0bc..ed95f32 100755
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2868,6 +2868,16 @@
</intent-filter>
</receiver>
+ <activity
+ android:name=".dnscrypt.DnsCryptPreferenceActivity"
+ android:label="DNS Encryption"
+ android:excludeFromRecents="true">
+ <intent-filter>
+ <action android:name="com.android.settings.action.ACTION_DNSCRYPT_SETTINGS" />
+ <category android:name="android.intent.category.DEFAULT" />
+ </intent-filter>
+ </activity>
+
<activity android:name=".applications.ProtectedAppsActivity"
android:label="@string/protected_apps"
android:excludeFromRecents="true"
diff --git a/res/values/cm_strings.xml b/res/values/cm_strings.xml
index 6b42f4e..51aff3c 100644
--- a/res/values/cm_strings.xml
+++ b/res/values/cm_strings.xml
@@ -1163,4 +1163,15 @@
<string name="restrict_app_cellular_title">Disable app cellular usage</string>
<string name="restrict_app_cellular_summary">Prevent app from using cellular data connection</string>
<string name="privacy_guard_internet_category">Internet</string>
+
+ <!-- DNS Encryption -->
+ <string name="dns_enc_title">DNS encryption</string>
+ <string name="dns_enc_summary">Manage DNS encryption settings</string>
+ <string name="dns_enc_switch_title">Enable DNS encryption</string>
+ <string name="dns_enc_switch_summary">Toggle execution of local DNS encryption service</string>
+ <string name="dns_enc_cat_config_title">Configuration</string>
+ <string name="dns_enc_server_title">DNS resolver list</string>
+ <string name="dns_enc_server_summary">Select which server you want to use</string>
+ <string name="dns_enc_resolver_label">DNS resolver:&#160;</string>
+ <string name="dns_enc_resolvers_loading">Loading encrypted DNS resolver configuration...</string>
</resources>
diff --git a/res/xml/dns_crypt_settings.xml b/res/xml/dns_crypt_settings.xml
new file mode 100644
index 0000000..636f754
--- /dev/null
+++ b/res/xml/dns_crypt_settings.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2008 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.
+-->
+
+<PreferenceScreen
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
+ android:title="@string/radio_controls_title">
+
+ <SwitchPreference
+ android:key="pref_toggle_dnscrypt"
+ android:title="@string/dns_enc_switch_title"
+ android:summary="@string/dns_enc_switch_summary"
+ android:persistent="false"/>
+
+ <PreferenceCategory
+ android:key="pref_cat_config"
+ android:title="@string/dns_enc_cat_config_title">
+ <ListPreference
+ android:key="pref_server_list"
+ android:title="@string/dns_enc_server_title"
+ android:summary="@string/dns_enc_server_summary"
+ android:persistent="false"/>
+ </PreferenceCategory>
+
+</PreferenceScreen>
diff --git a/res/xml/privacy_settings_cyanogenmod.xml b/res/xml/privacy_settings_cyanogenmod.xml
index 256ca00..25221c2 100644
--- a/res/xml/privacy_settings_cyanogenmod.xml
+++ b/res/xml/privacy_settings_cyanogenmod.xml
@@ -47,4 +47,14 @@
android:targetPackage="com.android.settings"
android:targetClass="com.android.settings.applications.ProtectedAppsActivity" />
</Preference>
+
+ <PreferenceScreen
+ android:key="key_dns_crypt"
+ android:title="@string/dns_enc_title"
+ android:summary="@string/dns_enc_summary">
+ <intent
+ android:action="com.android.settings.action.ACTION_DNSCRYPT_SETTINGS"
+ android:targetPackage="com.android.settings"
+ android:targetClass="com.android.settings.dnscrypt.DnsCryptPreferenceActivity" />
+ </PreferenceScreen>
</PreferenceScreen>
diff --git a/src/com/android/settings/dnscrypt/DnsCryptPreferenceActivity.java b/src/com/android/settings/dnscrypt/DnsCryptPreferenceActivity.java
new file mode 100644
index 0000000..64f13c7
--- /dev/null
+++ b/src/com/android/settings/dnscrypt/DnsCryptPreferenceActivity.java
@@ -0,0 +1,149 @@
+/*
+* Copyright (C) 2014 The CyanogenMod 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.dnscrypt;
+
+import android.app.ProgressDialog;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceActivity;
+import android.preference.SwitchPreference;
+import android.provider.Settings;
+import android.util.Log;
+import com.android.settings.R;
+import com.android.settings.dnscrypt.LoadConfigFileTask.ILoadConfigListener;
+
+import java.io.File;
+
+/**
+ * DnsCryptSettingsFragment
+ * <pre>
+ * Screen for configuring and starting stopping encrypted dns daemon
+ * </pre>
+ *
+ * @see {@link android.preference.PreferenceActivity}
+ * @see {@link android.preference.Preference.OnPreferenceChangeListener}
+ */
+public class DnsCryptPreferenceActivity extends PreferenceActivity implements
+ OnPreferenceChangeListener, ILoadConfigListener {
+
+ // Constants
+ private static final String TAG = DnsCryptPreferenceActivity.class.getSimpleName();
+ private static final String PREF_TOGGLE = "pref_toggle_dnscrypt";
+ private static final String PREF_SERVER_LIST = "pref_server_list";
+ private static final String CONFIG_FILE = "/system/etc/dnscrypt-resolvers.csv";
+
+ // Members
+ private SwitchPreference mEncryptionSwitchPreference;
+ private ListPreference mServerListPreference;
+ private LoadConfigFileTask mLoadConfigFileTask;
+ private String mDnsResolverLabel = "DNS provider";
+
+ // Views
+ private ProgressDialog mProgressDialog;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ getActionBar().setDisplayHomeAsUpEnabled(true);
+ getActionBar().setTitle(R.string.dns_enc_title);
+ addPreferencesFromResource(R.xml.dns_crypt_settings);
+ mEncryptionSwitchPreference = (SwitchPreference) findPreference(PREF_TOGGLE);
+ mEncryptionSwitchPreference.setOnPreferenceChangeListener(this);
+ mServerListPreference = (ListPreference) findPreference(PREF_SERVER_LIST);
+ mServerListPreference.setOnPreferenceChangeListener(this);
+ mDnsResolverLabel = getResources().getString(R.string.dns_enc_resolver_label);
+ mProgressDialog = new ProgressDialog(this);
+ mProgressDialog.setTitle(R.string.dns_enc_resolvers_loading);
+ mProgressDialog.show();
+ if (mLoadConfigFileTask == null) {
+ mLoadConfigFileTask =
+ new LoadConfigFileTask(new File(CONFIG_FILE), mProgressDialog, this);
+ mLoadConfigFileTask.execute();
+ }
+ initPreferences();
+ }
+
+ private void initPreferences() {
+ boolean currentCheckedState = (Settings.Secure.getInt(getContentResolver(),
+ Settings.Secure.DNS_ENCRYPTION_TOGGLE,
+ Settings.Secure.DNS_ENCRYPTION_TOGGLE_DEFAULT) == 1);
+ if (mEncryptionSwitchPreference != null) {
+ mEncryptionSwitchPreference.setChecked(currentCheckedState);
+ }
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object o) {
+ if (preference == mEncryptionSwitchPreference) {
+ Boolean newCheckedState = (Boolean) o;
+ mServerListPreference.setEnabled(newCheckedState);
+ int setValue = (newCheckedState) ? 1 : 0;
+ Settings.Secure.putInt(getContentResolver(), Settings.Secure.DNS_ENCRYPTION_TOGGLE,
+ setValue);
+ return true;
+ } else if (preference == mServerListPreference) {
+ String value = (String) o;
+ int i;
+ for (i = 0; i < mServerListPreference.getEntryValues().length; i++) {
+ if (value.equals(mServerListPreference.getEntryValues()[i])) {
+ break;
+ }
+ }
+ try {
+ mServerListPreference.setSummary(mDnsResolverLabel +
+ mServerListPreference.getEntries()[i]);
+ } catch (ArrayIndexOutOfBoundsException oobe) {
+ Log.e(TAG, "Error finding default value!");
+ mServerListPreference.setSummary(R.string.dns_enc_server_summary);
+ }
+ Settings.Secure.putString(getContentResolver(), Settings.Secure
+ .DNS_ENCRYPTION_SERVER, value);
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public void onConfigLoaded(CharSequence[] entries, CharSequence[] entryValues) {
+ if (mServerListPreference != null && entries != null && entryValues != null) {
+ mServerListPreference.setEntries(entries);
+ mServerListPreference.setEntryValues(entryValues);
+ String value = Settings.Secure.getString(getContentResolver(),
+ Settings.Secure.DNS_ENCRYPTION_SERVER);
+ value = (value == null) ? Settings.Secure.DNS_ENCRYPTION_SERVER_DEFAULT : value;
+ mServerListPreference.setValue(value);
+ int i;
+ for (i = 0; i < mServerListPreference.getEntryValues().length; i++) {
+ if (value.equals(mServerListPreference.getEntryValues()[i])) {
+ break;
+ }
+ }
+ try {
+ mServerListPreference.setSummary(mDnsResolverLabel
+ + mServerListPreference.getEntries()[i]);
+ } catch (ArrayIndexOutOfBoundsException oobe) {
+ Log.e(TAG, "Error finding default value!", oobe);
+ mServerListPreference.setSummary(R.string.dns_enc_server_summary);
+ }
+ mServerListPreference.setEnabled(mEncryptionSwitchPreference.isChecked());
+ }
+ mLoadConfigFileTask = null;
+ mProgressDialog.dismiss();
+ }
+}
diff --git a/src/com/android/settings/dnscrypt/LoadConfigFileTask.java b/src/com/android/settings/dnscrypt/LoadConfigFileTask.java
new file mode 100644
index 0000000..910e6c1
--- /dev/null
+++ b/src/com/android/settings/dnscrypt/LoadConfigFileTask.java
@@ -0,0 +1,152 @@
+/*
+* Copyright (C) 2014 The CyanogenMod 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.dnscrypt;
+
+import android.app.ProgressDialog;
+import android.os.AsyncTask;
+import android.util.Log;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * LoadConfigFileTask
+ * <pre>
+ * This task will check if the config file exists in /system/etc and if so will load it for
+ * configuration display in Settings
+ * </pre>
+ */
+public class LoadConfigFileTask extends AsyncTask<Void, Integer, Void> {
+
+ // Constants
+ private static final String TAG = LoadConfigFileTask.class.getSimpleName();
+
+ // Members
+ private ILoadConfigListener mListener;
+ private File mConfigFile;
+ private ProgressDialog mProgressDialog;
+ private CharSequence[] mEntries;
+ private CharSequence[] mEntryValues;
+
+ /**
+ * Constructor
+ *
+ * @param configFile {@link java.io.File}
+ * @param progressDialog {@link android.app.ProgressDialog}
+ * @throws IllegalArgumentException {@link java.lang.IllegalArgumentException}
+ */
+ public LoadConfigFileTask(File configFile, ProgressDialog progressDialog, ILoadConfigListener
+ listener)
+ throws IllegalArgumentException {
+ if (configFile == null || !configFile.exists()) {
+ throw new IllegalArgumentException("'configFile' must not be null and must exist!");
+ }
+ mConfigFile = configFile;
+ mProgressDialog = progressDialog;
+ mListener = listener;
+ }
+
+ @Override
+ public void onPreExecute() {
+ if (mProgressDialog != null) {
+ mProgressDialog.show();
+ }
+ }
+
+ @Override
+ public void onProgressUpdate(Integer... progress) {
+ if (mProgressDialog != null) {
+ mProgressDialog.setProgress(progress[0]);
+ }
+ }
+
+ @Override
+ public Void doInBackground(Void... params) {
+
+ if (mConfigFile == null || !mConfigFile.exists()) {
+ Log.w(TAG, "No config file found....such strange!");
+ // [TODO][MSB]: Download that sucker!
+ // [TODO][MSB]: Perform sig check?
+ return null;
+ }
+
+ try {
+ FileInputStream fis = new FileInputStream(mConfigFile);
+ InputStreamReader reader = new InputStreamReader(fis);
+ BufferedReader bufferedReader = new BufferedReader(reader);
+ List<String> configLines = new ArrayList<String>();
+ String line = "";
+ while((line = bufferedReader.readLine()) != null) {
+ configLines.add(line);
+ }
+ mEntries = new CharSequence[configLines.size() - 1];
+ mEntryValues = new CharSequence[configLines.size() - 1];
+ if (mProgressDialog != null) {
+ mProgressDialog.setMax(configLines.size());
+ }
+ boolean skippedTitle = false;
+ int progress = 0;
+ int i = 0;
+ for (String configLine : configLines) {
+ if (!skippedTitle) {
+ skippedTitle = true;
+ progress++;
+ continue;
+ }
+ String[] configParts = configLine.split(",");
+ if (configParts.length > 3) {
+ String name = configParts[0];
+ String fullName = configParts[1];
+ mEntries[i] = fullName;
+ mEntryValues[i] = name;
+ }
+ i++;
+ progress++;
+ publishProgress(progress);
+ }
+ } catch (IOException e) {
+ Log.e(TAG, e.getMessage());
+ }
+ return null;
+ }
+
+ @Override
+ public void onPostExecute(Void result) {
+ if (mListener != null) {
+ mListener.onConfigLoaded(mEntries, mEntryValues);
+ }
+ if (mProgressDialog != null) {
+ mProgressDialog.dismiss();
+ }
+ }
+
+ /**
+ * ILoadConfigListener
+ * <pre>
+ * Callback interface for passing back results
+ * </pre>
+ */
+ public interface ILoadConfigListener {
+ public void onConfigLoaded(CharSequence[] entries, CharSequence[] entryValues);
+ }
+
+}
diff --git a/src/com/android/settings/dnscrypt/model/DnsCryptServerEntry.java b/src/com/android/settings/dnscrypt/model/DnsCryptServerEntry.java
new file mode 100644
index 0000000..c0f2c75
--- /dev/null
+++ b/src/com/android/settings/dnscrypt/model/DnsCryptServerEntry.java
@@ -0,0 +1,155 @@
+/*
+* Copyright (C) 2014 The CyanogenMod 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.dnscrypt.model;
+
+/**
+ * DnsCryptServerEntry
+ * <pre>
+ * Model object for representing a dns crypt server entry
+ * </pre>
+ */
+public class DnsCryptServerEntry {
+
+ // Members
+ private String mName;
+ private String mFullName;
+ private String mDescription;
+ private String mLocation;
+ private String mCoords;
+ private String mUrl;
+ private String mVersion;
+ private String mDnsSecValidation;
+ private String mNoLogs;
+ private String mNamecoin;
+ private String mResolverAddress;
+ private String mProviderName;
+ private String mProviderPublicKey;
+ private String mProviderPublicKeyTextRecord;
+
+ public String getName() {
+ return mName;
+ }
+
+ public void setName(String name) {
+ mName = name;
+ }
+
+ public String getFullName() {
+ return mFullName;
+ }
+
+ public void setFullName(String fullName) {
+ mFullName = fullName;
+ }
+
+ public String getDescription() {
+ return mDescription;
+ }
+
+ public void setDescription(String description) {
+ mDescription = description;
+ }
+
+ public String getLocation() {
+ return mLocation;
+ }
+
+ public void setLocation(String location) {
+ mLocation = location;
+ }
+
+ public String getCoords() {
+ return mCoords;
+ }
+
+ public void setCoords(String coords) {
+ mCoords = coords;
+ }
+
+ public String getUrl() {
+ return mUrl;
+ }
+
+ public void setUrl(String url) {
+ mUrl = url;
+ }
+
+ public String getVersion() {
+ return mVersion;
+ }
+
+ public void setVersion(String version) {
+ mVersion = version;
+ }
+
+ public String getDnsSecValidation() {
+ return mDnsSecValidation;
+ }
+
+ public void setDnsSecValidation(String dnsSecValidation) {
+ mDnsSecValidation = dnsSecValidation;
+ }
+
+ public String getNoLogs() {
+ return mNoLogs;
+ }
+
+ public void setNoLogs(String noLogs) {
+ mNoLogs = noLogs;
+ }
+
+ public String getNamecoin() {
+ return mNamecoin;
+ }
+
+ public void setNamecoin(String namecoin) {
+ mNamecoin = namecoin;
+ }
+
+ public String getResolverAddress() {
+ return mResolverAddress;
+ }
+
+ public void setResolverAddress(String resolverAddress) {
+ mResolverAddress = resolverAddress;
+ }
+
+ public String getProviderName() {
+ return mProviderName;
+ }
+
+ public void setProviderName(String providerName) {
+ mProviderName = providerName;
+ }
+
+ public String getProviderPublicKey() {
+ return mProviderPublicKey;
+ }
+
+ public void setProviderPublicKey(String providerPublicKey) {
+ mProviderPublicKey = providerPublicKey;
+ }
+
+ public String getProviderPublicKeyTextRecord() {
+ return mProviderPublicKeyTextRecord;
+ }
+
+ public void setProviderPublicKeyTextRecord(String providerPublicKeyTextRecord) {
+ mProviderPublicKeyTextRecord = providerPublicKeyTextRecord;
+ }
+
+}
--
2.7.4
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