Release 0.1.0-alpha

2024-12-30 14:45:34 +00:00 · 2024-02-22 21:06:02 +03:00 · 2024-02-22 21:06:02 +03:00 · e92a848fb4
commit e92a848fb4
parent ad55ddaf82
68 changed files with 1585 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
--- a/.gitmodules
+++ b/.gitmodules
@ -0,0 +1,6 @@
+[submodule "app/libs/tun2socks"]
+	path = app/libs/tun2socks
+	url = https://github.com/dovecoteescapee/tun2socks.git
+[submodule "app/src/main/cpp/byedpi"]
+	path = app/src/main/cpp/byedpi
+	url = https://github.com/hufrea/byedpi.git
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
--- a/.idea/.name
+++ b/.idea/.name
@ -0,0 +1 @@
+ByeDpi
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@ -0,0 +1,123 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="XML">
+      <option name="FORCE_REARRANGE_MODE" value="1" />
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ b/.idea/codeStyles/codeStyleConfig.xml
@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="17" />
+  </component>
+</project>
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <value>
+      <entry key="app">
+        <State />
+      </entry>
+    </value>
+  </component>
+</project>
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveExternalAnnotations" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.9.22" />
+  </component>
+</project>
--- a/.idea/migrations.xml
+++ b/.idea/migrations.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@ -0,0 +1,9 @@
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/app/libs/tun2socks" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/app/src/main/cpp/byedpi" vcs="Git" />
+  </component>
+</project>
--- a/README.md
+++ b/README.md
@ -0,0 +1,12 @@
+# ByeDPI for Android
+
+Application for Android that start a local VPN service to bypass DPI (Deep Packet Inspection) and unblock the internet.
+
+## Features
+
+See [ByeDPI description](https://github.com/hufrea/byedpi/readme.txt).
+
+## Dependencies
+
+- [ByeDPI](https://github.com/hufrea/byedpi)
+- [Tun2Socks](https://github.com/dovecoteescapee/tun2socks)
--- a/app/.gitignore
+++ b/app/.gitignore
@ -0,0 +1,3 @@
+/build
+*.aar
+*.jar
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@ -0,0 +1,87 @@
+import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
+
+plugins {
+    id("com.android.application")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "io.github.dovecoteescapee.byedpi"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "io.github.dovecoteescapee.byedpi"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "0.1.0-alpha"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    externalNativeBuild {
+        cmake {
+            path = file("src/main/cpp/CMakeLists.txt")
+            version = "3.22.1"
+        }
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+}
+
+dependencies {
+    implementation(files("libs/tun2socks.aar"))
+
+    implementation("androidx.fragment:fragment-ktx:1.6.2")
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("androidx.preference:preference-ktx:1.2.1")
+    implementation("com.takisoft.preferencex:preferencex:1.1.0")
+    implementation("com.google.android.material:material:1.11.0")
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0")
+    implementation("androidx.lifecycle:lifecycle-service:2.7.0")
+    testImplementation("junit:junit:4.13.2")
+    androidTestImplementation("androidx.test.ext:junit:1.1.5")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+}
+
+abstract class BuildTun2Socks : DefaultTask() {
+    @TaskAction
+    fun buildTun2Socks() {
+        val projectDir = project.projectDir
+        val tun2socksDir = projectDir.resolve("libs/tun2socks")
+        val tun2socksOutput = projectDir.resolve("libs/tun2socks.aar")
+
+        if (tun2socksOutput.exists()) {
+            return
+        }
+        project.exec {
+            workingDir = tun2socksDir
+            commandLine("gomobile", "bind", "-o", tun2socksOutput, "./engine")
+        }
+    }
+}
+
+tasks.register<BuildTun2Socks>("buildTun2Socks") {
+    group = "build"
+    description = "Build tun2socks"
+}
+
+tasks.withType(KotlinCompile::class).configureEach {
+    dependsOn("buildTun2Socks")
+}
--- a/app/libs/tun2socks
+++ b/app/libs/tun2socks
@ -0,0 +1 @@
+Subproject commit 792ee44a8efa7ec4daadd2cbfda762329d1cbff2
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/release/byedpi.apk
+++ b/app/release/byedpi.apk
--- a/app/release/output-metadata.json
+++ b/app/release/output-metadata.json
@ -0,0 +1,20 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "io.github.dovecoteescapee.byedpi",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "attributes": [],
+      "versionCode": 1,
+      "versionName": "0.1.0-alpha",
+      "outputFile": "app-release.apk"
+    }
+  ],
+  "elementType": "File"
+}
--- a/app/src/androidTest/java/io/github/dovecoteescapee/byedpi/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/io/github/dovecoteescapee/byedpi/ExampleInstrumentedTest.kt
@ -0,0 +1,24 @@
+package io.github.dovecoteescapee.byedpi
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("io.github.dovecoteescapee.byedpi", appContext.packageName)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.ByeDPI"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".SettingsActivity"
+            android:exported="true" />
+
+        <service android:name=".ByeDpiVpnService"
+            android:permission="android.permission.BIND_VPN_SERVICE"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.net.VpnService"/>
+            </intent-filter>
+        </service>
+    </application>
+
+</manifest>
--- a/app/src/main/cpp/CMakeLists.txt
+++ b/app/src/main/cpp/CMakeLists.txt
@ -0,0 +1,46 @@
+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html.
+# For more examples on how to use CMake, see https://github.com/android/ndk-samples.
+
+# Sets the minimum CMake version required for this project.
+cmake_minimum_required(VERSION 3.22.1)
+
+# Declares the project name. The project name can be accessed via ${ PROJECT_NAME},
+# Since this is the top level CMakeLists.txt, the project name is also accessible
+# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level
+# build script scope).
+project("byedpi")
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+#
+# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define
+# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME}
+# is preferred for the same purpose.
+#
+# In order to load a library into your app from Java/Kotlin, you must call
+# System.loadLibrary() and pass the name of the library defined here;
+# for GameActivity/NativeActivity derived applications, the same library name must be
+# used in the AndroidManifest.xml file.
+add_library(${CMAKE_PROJECT_NAME} SHARED
+        # List C/C++ source files with relative paths to this CMakeLists.txt.
+        byedpi/conev.c
+        byedpi/desync.c
+        byedpi/packets.c
+        byedpi/proxy.c
+        native-lib.c
+        )
+
+include_directories("byedpi")
+
+set(CMAKE_C_FLAGS "-std=c99 -O2 -D_XOPEN_SOURCE=500")
+
+# Specifies libraries CMake should link to your target library. You
+# can link libraries from various origins, such as libraries defined in this
+# build script, prebuilt third-party libraries, or Android system libraries.
+target_link_libraries(${CMAKE_PROJECT_NAME}
+        # List libraries link to the target library
+        android
+        log)
--- a/app/src/main/cpp/byedpi
+++ b/app/src/main/cpp/byedpi
@ -0,0 +1 @@
+Subproject commit d880b0441f8c31e0609fb98be90d722190cd737b
--- a/app/src/main/cpp/native-lib.c
+++ b/app/src/main/cpp/native-lib.c
@ -0,0 +1,108 @@
+#include <error.h>
+#include <proxy.h>
+#include <params.h>
+#include <packets.h>
+#include <jni.h>
+#include <unistd.h>
+
+extern int big_loop(int fd);
+
+struct packet fake_tls = {
+        sizeof(tls_data), tls_data
+},
+        fake_http = {
+        sizeof(http_data), http_data
+};
+
+struct params params = {
+        .ttl = 8,
+        .split = 3,
+        .sfdelay = 3000,
+        .attack = DESYNC_NONE,
+        .split_host = 0,
+        .def_ttl = 0,
+        .custom_ttl = 0,
+        .mod_http = 0,
+        .tlsrec = 0,
+        .tlsrec_pos = 0,
+        .tlsrec_sni = 0,
+        .de_known = 0,
+
+        .ipv6 = 1,
+        .resolve = 1,
+        .max_open = 512,
+        .bfsize = 16384,
+        .baddr = {
+                .sin6_family = AF_INET6
+        },
+        .debug = 2
+};
+
+int get_default_ttl()
+{
+    int orig_ttl = -1, fd;
+    socklen_t tsize = sizeof(orig_ttl);
+
+    if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+        uniperror("socket");
+        return -1;
+    }
+    if (getsockopt(fd, IPPROTO_IP, IP_TTL,
+                   (char *)&orig_ttl, &tsize) < 0) {
+        uniperror("getsockopt IP_TTL");
+    }
+    close(fd);
+    return orig_ttl;
+}
+
+JNIEXPORT jint JNICALL
+Java_io_github_dovecoteescapee_byedpi_ByeDpiVpnService_startProxy__IIIIZZIIZIZZZIZ(
+        JNIEnv *env,
+        jobject thiz,
+        jint port,
+        jint max_connections,
+        jint buffer_size,
+        jint default_ttl,
+        jboolean no_domain,
+        jboolean desync_known,
+        jint desync_method,
+        jint split_position,
+        jboolean split_at_host,
+        jint fake_ttl,
+        jboolean host_mixed_case,
+        jboolean domain_mixed_case,
+        jboolean host_remove_space,
+        jint tls_record_split,
+        jboolean tls_record_split_at_sni) {
+    enum demode desync_methods[] = {DESYNC_NONE, DESYNC_SPLIT, DESYNC_DISORDER, DESYNC_FAKE};
+
+    params.max_open = max_connections;
+    params.bfsize = buffer_size;
+    params.def_ttl = default_ttl;
+    params.resolve = !no_domain;
+    params.de_known = desync_known;
+    params.attack = desync_methods[desync_method];
+    params.split = split_position;
+    params.split_host = split_at_host;
+    params.ttl = fake_ttl;
+    params.mod_http |= host_mixed_case ? MH_HMIX : 0;
+    params.mod_http |= domain_mixed_case ? MH_DMIX : 0;
+    params.mod_http |= host_remove_space ? MH_SPACE : 0;
+    params.tlsrec = tls_record_split;
+    params.tlsrec_sni = tls_record_split_at_sni;
+
+    if (!params.def_ttl && params.attack != DESYNC_NONE) {
+        if ((params.def_ttl = get_default_ttl()) < 1) {
+            return -1;
+        }
+    }
+
+    struct sockaddr_ina srv = {
+            .in = {
+                    .sin_family = AF_INET,
+                    .sin_port = htons(port),
+            }
+    };
+
+    return listener(srv);
+}
--- a/app/src/main/ic_launcher-playstore.png
+++ b/app/src/main/ic_launcher-playstore.png
--- a/app/src/main/java/io/github/dovecoteescapee/byedpi/ByeDpiProxyPreferences.kt
+++ b/app/src/main/java/io/github/dovecoteescapee/byedpi/ByeDpiProxyPreferences.kt
@ -0,0 +1,54 @@
+package io.github.dovecoteescapee.byedpi
+
+class ByeDpiProxyPreferences(
+    port: Int? = null,
+    maxConnections: Int? = null,
+    bufferSize: Int? = null,
+    defaultTtl: Int? = null,
+    noDomain: Boolean? = null,
+    desyncKnown: Boolean? = null,
+    desyncMethod: DesyncMethod? = null,
+    splitPosition: Int? = null,
+    splitAtHost: Boolean? = null,
+    fakeTtl: Int? = null,
+    hostMixedCase: Boolean? = null,
+    domainMixedCase: Boolean? = null,
+    hostRemoveSpaces: Boolean? = null,
+    tlsRecordSplit: Int? = null,
+    tlsRecordSplitAtSni: Boolean? = null,
+) {
+    val port: Int = port ?: 1080
+    val maxConnections: Int = maxConnections ?: 512
+    val bufferSize: Int = bufferSize ?: 16384
+    val defaultTtl: Int = defaultTtl ?: 0
+    val noDomain: Boolean = noDomain ?: false
+    val desyncKnown: Boolean = desyncKnown ?: false
+    val desyncMethod: DesyncMethod = desyncMethod ?: DesyncMethod.None
+    val splitPosition: Int = splitPosition ?: 3
+    val splitAtHost: Boolean = splitAtHost ?: false
+    val fakeTtl: Int = fakeTtl ?: 8
+    val hostMixedCase: Boolean = hostMixedCase ?: false
+    val domainMixedCase: Boolean = domainMixedCase ?: false
+    val hostRemoveSpaces: Boolean = hostRemoveSpaces ?: false
+    val tlsRecordSplit: Int = tlsRecordSplit ?: 0
+    val tlsRecordSplitAtSni: Boolean = tlsRecordSplitAtSni ?: false
+
+    enum class DesyncMethod {
+        None,
+        Split,
+        Disorder,
+        Fake;
+
+        companion object {
+            fun fromName(name: String): DesyncMethod {
+                return when (name) {
+                    "none" -> None
+                    "split" -> Split
+                    "disorder" -> Disorder
+                    "fake" -> Fake
+                    else -> throw IllegalArgumentException("Unknown desync method: $name")
+                }
+            }
+        }
+    }
+}
--- a/app/src/main/java/io/github/dovecoteescapee/byedpi/ByeDpiVpnService.kt
+++ b/app/src/main/java/io/github/dovecoteescapee/byedpi/ByeDpiVpnService.kt
@ -0,0 +1,246 @@
+package io.github.dovecoteescapee.byedpi
+
+import android.app.PendingIntent
+import android.content.Intent
+import android.net.VpnService
+import android.os.Build
+import android.os.IBinder
+import android.util.Log
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.ServiceLifecycleDispatcher
+import androidx.lifecycle.lifecycleScope
+import androidx.preference.PreferenceManager
+import engine.Engine
+import engine.Key
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+
+
+class ByeDpiVpnService : VpnService(), LifecycleOwner {
+    private val TAG: String = this::class.java.simpleName
+    private var proxyJob: Job? = null
+
+    private val dispatcher = ServiceLifecycleDispatcher(this)
+    override val lifecycle: Lifecycle
+        get() = dispatcher.lifecycle
+
+    companion object {
+        var status: Status = Status.STOPPED
+            private set
+    }
+
+    override fun onCreate() {
+        dispatcher.onServicePreSuperOnCreate()
+        super.onCreate()
+    }
+
+    override fun onBind(intent: Intent?): IBinder? {
+        dispatcher.onServicePreSuperOnBind()
+        return super.onBind(intent)
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent != null) {
+            return when (intent.action) {
+                "start" -> {
+                    run()
+                    START_STICKY
+                }
+                "stop" -> {
+                    stop()
+                    START_NOT_STICKY
+                }
+
+                else -> {
+                    throw IllegalArgumentException("Unknown action ${intent.action}")
+                }
+            }
+        }
+        return super.onStartCommand(intent, flags, startId)
+    }
+
+    override fun onRevoke() {
+        super.onRevoke()
+        Log.i(TAG, "VPN revoked")
+        stop()
+    }
+
+    override fun onDestroy() {
+        dispatcher.onServicePreSuperOnDestroy()
+        super.onDestroy()
+        Log.i(TAG, "Service destroyed")
+        stop()
+    }
+
+    private fun run() {
+        val preferences = getPreferences();
+
+        status = Status.RUNNING
+
+        if (proxyJob != null) {
+            Log.w(TAG, "Proxy already running")
+            return
+        }
+
+        proxyJob = lifecycleScope.launch(Dispatchers.IO) {
+            runProxy(preferences)
+        }
+
+        val vpn = getBuilder().establish()
+        if (vpn == null) {
+            Log.e(TAG, "VPN connection failed")
+            return
+        }
+
+        startTun2Socks(vpn.detachFd(), preferences.port)
+    }
+
+    private fun getPreferences(): ByeDpiProxyPreferences {
+        val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
+
+        return ByeDpiProxyPreferences(
+            port =
+                sharedPreferences.getString("byedpi_proxy_port", null)?.toInt(),
+            maxConnections =
+                sharedPreferences.getString("byedpi_max_connections", null)?.toInt(),
+            bufferSize =
+                sharedPreferences.getString("byedpi_buffer_size", null)?.toInt(),
+            defaultTtl =
+                sharedPreferences.getString("byedpi_default_ttl", null)?.toInt(),
+            noDomain =
+                sharedPreferences.getBoolean("byedpi_no_domain", false),
+            desyncKnown =
+                sharedPreferences.getBoolean("byedpi_desync_known", false),
+            desyncMethod =
+                sharedPreferences.getString("byedpi_desync_method", null)
+                    ?.let { ByeDpiProxyPreferences.DesyncMethod.fromName(it) },
+            splitPosition =
+                sharedPreferences.getString("byedpi_split_position", null)?.toInt(),
+            splitAtHost =
+                sharedPreferences.getBoolean("byedpi_split_at_host", false),
+            fakeTtl =
+                sharedPreferences.getString("byedpi_fake_ttl", null)?.toInt(),
+            hostMixedCase =
+                sharedPreferences.getBoolean("byedpi_host_mixed_case", false),
+            domainMixedCase =
+                sharedPreferences.getBoolean("byedpi_domain_mixed_case", false),
+            hostRemoveSpaces =
+                sharedPreferences.getBoolean("byedpi_host_remove_spaces", false),
+            tlsRecordSplit =
+                sharedPreferences.getString("byedpi_tlsrec", null)?.toInt(),
+            tlsRecordSplitAtSni =
+                sharedPreferences.getBoolean("byedpi_tlsrec_at_sni", false),
+        )
+    }
+
+    private fun stop() {
+        status = Status.STOPPED
+        stopTun2Socks()
+        stopProxy()
+    }
+
+    private fun runProxy(preferences: ByeDpiProxyPreferences) : Int {
+        Log.i(TAG, "Proxy started")
+        val res = startProxy(
+            port = preferences.port,
+            maxConnections = preferences.maxConnections,
+            bufferSize = preferences.bufferSize,
+            defaultTtl = preferences.defaultTtl,
+            noDomain = preferences.noDomain,
+            desyncKnown = preferences.desyncKnown,
+            desyncMethod = preferences.desyncMethod.ordinal,
+            splitPosition = preferences.splitPosition,
+            splitAtHost = preferences.splitAtHost,
+            fakeTtl = preferences.fakeTtl,
+            hostMixedCase = preferences.hostMixedCase,
+            domainMixedCase = preferences.domainMixedCase,
+            hostRemoveSpace = preferences.hostRemoveSpaces,
+            tlsRecordSplit = preferences.tlsRecordSplit,
+            tlsRecordSplitAtSni = preferences.tlsRecordSplitAtSni,
+        )
+        Log.i(TAG, "Proxy stopped")
+        return res
+    }
+
+    private fun stopProxy() {
+        proxyJob?.let {
+            Log.i(TAG, "Proxy stopped")
+            it.cancel()
+            proxyJob = null
+        } ?: Log.w(TAG, "Proxy not running")
+    }
+
+    private fun startTun2Socks(fd: Int, port:Int) {
+        val key = Key().apply {
+            mark = 0
+            mtu = 0
+            device = "fd://$fd"
+
+            setInterface("")
+            logLevel = "debug"
+            udpProxy = "direct://"
+            tcpProxy = "socks5://127.0.0.1:$port"
+
+            restAPI = ""
+            tcpSendBufferSize = ""
+            tcpReceiveBufferSize = ""
+            tcpModerateReceiveBuffer = false
+        }
+
+        Engine.insert(key)
+
+        Log.i(TAG, "Tun2Socks started")
+        Engine.start()
+    }
+
+    private fun stopTun2Socks() {
+        Log.i(TAG, "Tun2socks stopped")
+        Engine.stop()
+    }
+
+    private external fun startProxy(
+        port: Int,
+        maxConnections: Int,
+        bufferSize: Int,
+        defaultTtl: Int,
+        noDomain: Boolean,
+        desyncKnown: Boolean,
+        desyncMethod: Int,
+        splitPosition: Int,
+        splitAtHost: Boolean,
+        fakeTtl: Int,
+        hostMixedCase: Boolean,
+        domainMixedCase: Boolean,
+        hostRemoveSpace: Boolean,
+        tlsRecordSplit: Int,
+        tlsRecordSplitAtSni: Boolean,
+    ): Int
+
+    private fun getBuilder(): Builder {
+        val builder = Builder()
+        builder.setSession("ByeDPI")
+        builder.setConfigureIntent(
+            PendingIntent.getActivity(
+                this,
+                0,
+                Intent(this, MainActivity::class.java),
+                PendingIntent.FLAG_IMMUTABLE,
+            )
+        )
+
+        builder.addAddress("10.10.10.10", 32)
+        builder.addRoute("0.0.0.0", 0)
+        builder.addRoute("0:0:0:0:0:0:0:0", 0)
+        builder.addDnsServer("1.1.1.1")
+        builder.addDnsServer("1.0.0.1")
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            builder.setMetered(false)
+        }
+
+        builder.addDisallowedApplication("io.github.dovecoteescapee.byedpi")
+
+        return builder
+    }
+}
--- a/app/src/main/java/io/github/dovecoteescapee/byedpi/MainActivity.kt
+++ b/app/src/main/java/io/github/dovecoteescapee/byedpi/MainActivity.kt
@ -0,0 +1,89 @@
+package io.github.dovecoteescapee.byedpi
+
+import android.content.Intent
+import android.net.VpnService
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Toast
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.preference.PreferenceManager
+import io.github.dovecoteescapee.byedpi.databinding.ActivityMainBinding
+
+class MainActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityMainBinding
+
+    private val register = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+        if (it.resultCode == RESULT_OK) {
+            startVpnService()
+        } else {
+            Toast.makeText(this, R.string.vpn_permission_denied, Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        binding.statusButton.setOnClickListener {
+            when (ByeDpiVpnService.status) {
+                Status.STOPPED -> {
+                    val intentPrepare = VpnService.prepare(this)
+                    if (intentPrepare != null) {
+                        register.launch(intentPrepare)
+                    } else {
+                        startVpnService()
+                    }
+                    updateStatus(Status.RUNNING)
+                }
+                Status.RUNNING -> {
+                    stopVpnService()
+                    updateStatus(Status.STOPPED)
+                }
+            }
+        }
+
+        binding.settingsButton.setOnClickListener {
+            val intent = Intent(this, SettingsActivity::class.java)
+            if (ByeDpiVpnService.status == Status.RUNNING) {
+                Toast.makeText(this, R.string.settings_unavailable, Toast.LENGTH_SHORT)
+                    .show()
+            } else {
+                startActivity(intent)
+            }
+        }
+
+        updateStatus(ByeDpiVpnService.status)
+    }
+
+    private fun startVpnService() {
+        val intent = Intent(this, ByeDpiVpnService::class.java)
+        intent.action = "start"
+        startService(intent)
+    }
+
+    private fun stopVpnService() {
+        val intent = Intent(this, ByeDpiVpnService::class.java)
+        intent.action = "stop"
+        startService(intent)
+    }
+
+    private fun updateStatus(status : Status) {
+        when (status) {
+            Status.STOPPED -> {
+                binding.statusButton.setText(R.string.start)
+            }
+            Status.RUNNING -> {
+                binding.statusButton.setText(R.string.stop)
+            }
+        }
+    }
+
+    companion object {
+        // Used to load the 'byedpi' library on application startup.
+        init {
+            System.loadLibrary("byedpi")
+        }
+    }
+}
--- a/app/src/main/java/io/github/dovecoteescapee/byedpi/SettingsActivity.kt
+++ b/app/src/main/java/io/github/dovecoteescapee/byedpi/SettingsActivity.kt
@ -0,0 +1,16 @@
+package io.github.dovecoteescapee.byedpi
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+
+class SettingsActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_settings)
+
+        supportFragmentManager
+            .beginTransaction()
+            .replace(R.id.settings, SettingsFragment())
+            .commit()
+    }
+}
--- a/app/src/main/java/io/github/dovecoteescapee/byedpi/SettingsFragment.kt
+++ b/app/src/main/java/io/github/dovecoteescapee/byedpi/SettingsFragment.kt
@ -0,0 +1,10 @@
+package io.github.dovecoteescapee.byedpi
+
+import android.os.Bundle
+import androidx.preference.PreferenceFragmentCompat
+
+class SettingsFragment : PreferenceFragmentCompat() {
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.settings, rootKey)
+    }
+}
--- a/app/src/main/java/io/github/dovecoteescapee/byedpi/Status.kt
+++ b/app/src/main/java/io/github/dovecoteescapee/byedpi/Status.kt
@ -0,0 +1,6 @@
+package io.github.dovecoteescapee.byedpi
+
+enum class Status {
+    RUNNING,
+    STOPPED
+}
--- a/app/src/main/res/drawable/outline_settings_24.xml
+++ b/app/src/main/res/drawable/outline_settings_24.xml
@ -0,0 +1,5 @@
+<vector android:height="48dp" android:tint="#5976DF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98 0,-0.34 -0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.09,-0.16 -0.26,-0.25 -0.44,-0.25 -0.06,0 -0.12,0.01 -0.17,0.03l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.06,-0.02 -0.12,-0.03 -0.18,-0.03 -0.17,0 -0.34,0.09 -0.43,0.25l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98 0,0.33 0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.09,0.16 0.26,0.25 0.44,0.25 0.06,0 0.12,-0.01 0.17,-0.03l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.06,0.02 0.12,0.03 0.18,0.03 0.17,0 0.34,-0.09 0.43,-0.25l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM17.45,11.27c0.04,0.31 0.05,0.52 0.05,0.73 0,0.21 -0.02,0.43 -0.05,0.73l-0.14,1.13 0.89,0.7 1.08,0.84 -0.7,1.21 -1.27,-0.51 -1.04,-0.42 -0.9,0.68c-0.43,0.32 -0.84,0.56 -1.25,0.73l-1.06,0.43 -0.16,1.13 -0.2,1.35h-1.4l-0.19,-1.35 -0.16,-1.13 -1.06,-0.43c-0.43,-0.18 -0.83,-0.41 -1.23,-0.71l-0.91,-0.7 -1.06,0.43 -1.27,0.51 -0.7,-1.21 1.08,-0.84 0.89,-0.7 -0.14,-1.13c-0.03,-0.31 -0.05,-0.54 -0.05,-0.74s0.02,-0.43 0.05,-0.73l0.14,-1.13 -0.89,-0.7 -1.08,-0.84 0.7,-1.21 1.27,0.51 1.04,0.42 0.9,-0.68c0.43,-0.32 0.84,-0.56 1.25,-0.73l1.06,-0.43 0.16,-1.13 0.2,-1.35h1.39l0.19,1.35 0.16,1.13 1.06,0.43c0.43,0.18 0.83,0.41 1.23,0.71l0.91,0.7 1.06,-0.43 1.27,-0.51 0.7,1.21 -1.07,0.85 -0.89,0.7 0.14,1.13zM12,8c-2.21,0 -4,1.79 -4,4s1.79,4 4,4 4,-1.79 4,-4 -1.79,-4 -4,-4zM12,14c-1.1,0 -2,-0.9 -2,-2s0.9,-2 2,-2 2,0.9 2,2 -0.9,2 -2,2z"/>
+</vector>
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/status_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/start"
+        android:textSize="24sp"
+        android:textAllCaps="false"
+        android:paddingLeft="10pt"
+        android:paddingRight="10pt"
+        android:paddingTop="5pt"
+        android:paddingBottom="5pt"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        style="@style/Widget.MaterialComponents.Button.OutlinedButton" />
+
+    <ImageButton
+        android:id="@+id/settings_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@drawable/outline_settings_24"
+        android:layout_marginTop="20dp"
+        android:layout_marginEnd="20dp"
+        android:background="@android:color/transparent"
+        android:contentDescription="@string/settings"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.fragment.app.FragmentContainerView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/settings"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="byedpi_desync_methods">
+        <item name="none">None</item>
+        <item name="split">Split</item>
+        <item name="disorder">Disorder</item>
+        <item name="fake">Fake</item>
+    </array>
+    <array name="byedpi_desync_methods_entries">
+        <item name="none">none</item>
+        <item name="split">split</item>
+        <item name="disorder">disorder</item>
+        <item name="fake">fake</item>
+    </array>
+</resources>
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/ic_launcher_background.xml
+++ b/app/src/main/res/values/ic_launcher_background.xml
@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#061A23</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">ByeDPI</string>
+    <string name="start">Start</string>
+    <string name="stop">Stop</string>
+    <string name="settings">Settings</string>
+    <string name="vpn_permission_denied">VPN permission denied</string>
+    <string name="settings_unavailable">Please stop the VPN service before changing settings</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.ByeDPI" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">#5976DF</item>
+        <item name="colorPrimaryVariant">#3C52A3</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">#38AF42</item>
+        <item name="colorSecondaryVariant">#1F8C28</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/app/src/main/res/xml/backup_rules.xml
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/app/src/main/res/xml/settings.xml
+++ b/app/src/main/res/xml/settings.xml
@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_port"
+        android:title="Port"
+        android:inputType="number"
+        android:defaultValue="1080"
+        app:useSimpleSummaryProvider="true"/>
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_max_connections"
+        android:title="Maximum number of connections"
+        android:inputType="number"
+        android:defaultValue="512"
+        app:useSimpleSummaryProvider="true"/>
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_buffer_size"
+        android:title="Buffer size"
+        android:inputType="number"
+        android:defaultValue="16384"
+        app:useSimpleSummaryProvider="true" />
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_default_ttl"
+        android:title="Default TTL"
+        android:inputType="number"
+        android:defaultValue="0"
+        app:useSimpleSummaryProvider="true" />
+
+    <CheckBoxPreference
+        android:key="byedpi_no_domain"
+        android:title="No domain"
+        android:defaultValue="false"/>
+
+    <CheckBoxPreference
+        android:key="byedpi_desync_knows"
+        android:title="Desync only HTTPS and TLS"
+        android:defaultValue="false"/>
+
+    <DropDownPreference
+        android:key="byedpi_desync_method"
+        android:title="Desync method"
+        android:entries="@array/byedpi_desync_methods"
+        android:entryValues="@array/byedpi_desync_methods_entries"
+        android:defaultValue="none"
+        app:useSimpleSummaryProvider="true" />
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_split_position"
+        android:title="Split position"
+        android:inputType="number"
+        android:defaultValue="3"
+        app:useSimpleSummaryProvider="true" />
+
+    <CheckBoxPreference
+        android:key="byedpi_split_at_host"
+        android:title="Split at host"
+        android:defaultValue="0"/>
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_fake_ttl"
+        android:title="TTL of fake packets"
+        android:inputType="number"
+        android:defaultValue="8"
+        app:useSimpleSummaryProvider="true" />
+
+    <CheckBoxPreference
+        android:key="byedpi_host_mixed_case"
+        android:title="Host mixed case"
+        android:defaultValue="false"/>
+
+    <CheckBoxPreference
+        android:key="byedpi_domain_mixed_case"
+        android:title="Domain mixed case"
+        android:defaultValue="false"/>
+
+    <CheckBoxPreference
+        android:key="byedpi_host_remove_spaces"
+        android:title="Host remove spaces"
+        android:defaultValue="false"/>
+
+    <com.takisoft.preferencex.EditTextPreference
+        android:key="byedpi_tlsrec"
+        android:title="TLS record split position"
+        android:inputType="number"
+        android:defaultValue="0"
+        app:useSimpleSummaryProvider="true" />
+
+    <CheckBoxPreference
+        android:key="byedpi_tlsrec_at_sni"
+        android:title="Split TLS record at SNI"
+        android:defaultValue="false"/>
+
+</PreferenceScreen>
--- a/app/src/test/java/io/github/dovecoteescapee/byedpi/ExampleUnitTest.kt
+++ b/app/src/test/java/io/github/dovecoteescapee/byedpi/ExampleUnitTest.kt
@ -0,0 +1,17 @@
+package io.github.dovecoteescapee.byedpi
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
--- a/build.gradle.kts
+++ b/build.gradle.kts
@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id("com.android.application") version "8.2.2" apply false
+    id("org.jetbrains.kotlin.android") version "1.9.22" apply false
+}
--- a/gradle.properties
+++ b/gradle.properties
@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
--- a/gradle/wrapper/gradle-wrapper.jar
+++ b/gradle/wrapper/gradle-wrapper.jar
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,6 @@
+#Mon Feb 19 00:00:21 MSK 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
--- a/185
+++ b/185
@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# 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
+#
+#      https://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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/gradlew.bat
+++ b/gradlew.bat
@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "ByeDpi"
+include(":app")
				`@ -0,0 +1 @@`
				`Subproject commit 792ee44a8efa7ec4daadd2cbfda762329d1cbff2`
				`@ -0,0 +1 @@`
				`Subproject commit d880b0441f8c31e0609fb98be90d722190cd737b`