Plugin 2.0.0

core/src/main/java/com/github/shadowsocks/bg/ProxyInstance.kt

@@ -102,8 +102,10 @@ class ProxyInstance(val profile: Profile, private val route: String = profile.ro
 
         this.configFile = configFile
         val config = profile.toJson()
-        plugin?.let { (path, opts) ->
-            if (service.isVpnService) opts["V"] = ""
+        plugin?.let { (path, opts, isV2) ->
+            if (service.isVpnService) {
+                if (isV2) opts["__android_vpn"] = "" else config.put("plugin_arg", "-V")
+            }
             config.put("plugin", path).put("plugin_opts", opts.toString())
         }
         config.put("local_address", DataStore.listenAddress)

core/src/main/java/com/github/shadowsocks/plugin/PluginManager.kt

@@ -118,9 +118,15 @@ object PluginManager {
             .build()
     fun buildIntent(id: String, action: String): Intent = Intent(action, buildUri(id))
 
+    data class InitResult(
+            val path: String,
+            val options: PluginOptions,
+            val isV2: Boolean = false,
+    )
+
     // the following parts are meant to be used by :bg
     @Throws(Throwable::class)
-    fun init(configuration: PluginConfiguration): Pair<String, PluginOptions>? {
+    fun init(configuration: PluginConfiguration): InitResult? {
         if (configuration.selected.isEmpty()) return null
         var throwable: Throwable? = null
 
@@ -136,7 +142,7 @@ object PluginManager {
         throw throwable ?: PluginNotFoundException(configuration.selected)
     }
 
-    private fun initNative(configuration: PluginConfiguration): Pair<String, PluginOptions>? {
+    private fun initNative(configuration: PluginConfiguration): InitResult? {
         var flags = PackageManager.GET_META_DATA
         if (Build.VERSION.SDK_INT >= 24) {
             flags = flags or PackageManager.MATCH_DIRECT_BOOT_UNAWARE or PackageManager.MATCH_DIRECT_BOOT_AWARE
@@ -152,9 +158,11 @@ object PluginManager {
         }
         val provider = providers.single().providerInfo
         val options = configuration.getOptions { provider.loadString(PluginContract.METADATA_KEY_DEFAULT_CONFIG) }
+        val isV2 = provider.applicationInfo.metaData?.getString(PluginContract.METADATA_KEY_VERSION)
+                ?.substringBefore('.')?.toIntOrNull() ?: 0 >= 2
         var failure: Throwable? = null
         try {
-            initNativeFaster(provider)?.also { return it to options }
+            initNativeFaster(provider)?.also { return InitResult(it, options, isV2) }
         } catch (t: Throwable) {
             Timber.w("Initializing native plugin faster mode failed")
             failure = t
@@ -165,15 +173,15 @@ object PluginManager {
             authority(provider.authority)
         }.build()
         try {
-            return initNativeFast(app.contentResolver, options, uri)?.let { it to options }
+            return initNativeFast(app.contentResolver, options, uri)?.let { InitResult(it, options, isV2) }
         } catch (t: Throwable) {
             Timber.w("Initializing native plugin fast mode failed")
             failure?.also { t.addSuppressed(it) }
             failure = t
         }
 
         try {
-            return initNativeSlow(app.contentResolver, options, uri)?.let { it to options }
+            return initNativeSlow(app.contentResolver, options, uri)?.let { InitResult(it, options, isV2) }
         } catch (t: Throwable) {
             failure?.also { t.addSuppressed(it) }
             throw t

plugin/CHANGES.md

@@ -1,3 +1,11 @@
+* 2.0.0:
+  * Deprecated passing `-V` and `--fast-open` to plugin.
+    Please find `__android_vpn` option passed via plugin options.
+  * Dependency updates:
+    - `androidx.core:core-ktx:1.3.2`;
+    - `androidx.drawerlayout:drawerlayout:1.1.1`;
+    - `com.google.android.material:material:1.2.1`;
+    - `org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.10`.
 * 1.3.4:
   * Optional new metadata `com.github.shadowsocks.plugin.id.aliases` for plugin ID aliases;
     (see doc for `PluginContract.METADATA_KEY_ID_ALIASES` and main documentation "Plugin ID Aliasing" for more information)

plugin/README.md

@@ -45,12 +45,10 @@ First you need to get your native binary compiling on Android platform.
 * [Sample project for C](https://github.com/shadowsocks/simple-obfs-android/tree/4f82c4a4e415d666e70a7e2e60955cb0d85c1615);
 * [Sample project for Go](https://github.com/shadowsocks/v2ray-plugin-android/tree/172bd4cec0276112828614482fb646b79dbf1540).
 
-In addition to functionalities of a normal plugin, it has to support these additional flags that
- may get passed through arguments:
+In addition to functionalities of a normal plugin, it has to support these additional options:
 
-* `-V`: VPN mode. In this case, the plugin should pass all file descriptors that needs protecting
-  from VPN connections (i.e. its traffic will not be forwarded through the VPN) through an
-  ancillary message to `./protect_path`.
+* `__android_vpn`: VPN mode.
+  In this case, the plugin should pass all file descriptors that needs protecting from VPN connections (i.e. its traffic will not be forwarded through the VPN) through an ancillary message to `./protect_path`.
 
 ### Implement a binary provider
 

plugin/gradle.properties

@@ -1,6 +1,6 @@
 GROUP=com.github.shadowsocks
-VERSION_NAME=1.3.4
-VERSION_CODE=14
+VERSION_NAME=2.0.0
+VERSION_CODE=15
 
 POM_ARTIFACT_ID=plugin
 POM_NAME=Shadowsocks Plugin

plugin/src/main/AndroidManifest.xml

@@ -3,6 +3,6 @@
     <application
         android:theme="@style/Theme.Shadowsocks">
         <meta-data android:name="com.github.shadowsocks.plugin.version"
-                   android:value="1.3.4"/>
+                   android:value="2.0.0"/>
     </application>
 </manifest>

plugin/src/main/java/com/github/shadowsocks/plugin/PluginContract.kt

@@ -72,6 +72,13 @@ object PluginContract {
     </host_name> */
     const val EXTRA_HELP_MESSAGE = "com.github.shadowsocks.plugin.EXTRA_HELP_MESSAGE"
 
+    /**
+     * The metadata key to retrieve plugin version. Required for plugin applications.
+     *
+     * Constant Value: "com.github.shadowsocks.plugin.version"
+     */
+    const val METADATA_KEY_VERSION = "com.github.shadowsocks.plugin.version"
+
     /**
      * The metadata key to retrieve plugin id. Required for plugins.
      *