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112 changes: 112 additions & 0 deletions
112
app/src/main/java/io/github/xsocks/service/XsocksVpnThread.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package io.github.xsocks.service; | ||
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| import android.net.LocalServerSocket; | ||
| import android.net.LocalSocket; | ||
| import android.net.LocalSocketAddress; | ||
| import android.util.Log; | ||
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| import java.io.File; | ||
| import java.io.FileDescriptor; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
| import java.lang.reflect.Method; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
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| public class XsocksVpnThread extends Thread { | ||
| private String TAG = "XsocksVpnService"; | ||
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| private volatile boolean isRunning = true; | ||
| private volatile LocalServerSocket serverSocket = null; | ||
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| private XsocksVpnService vpnService; | ||
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| public XsocksVpnThread(XsocksVpnService vpnService) { | ||
| this.vpnService = vpnService; | ||
| } | ||
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| private void closeServerSocket() { | ||
| if (serverSocket != null) { | ||
| try { | ||
| serverSocket.close(); | ||
| } catch (IOException e) { | ||
| // ignore | ||
| } | ||
| serverSocket = null; | ||
| } | ||
| } | ||
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| public void stopThread() { | ||
| isRunning = false; | ||
| closeServerSocket(); | ||
| } | ||
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| @Override | ||
| public void run() { | ||
| String PATH = "/data/data/io.github.xsocks/protect_path"; | ||
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| try { | ||
| new File(PATH).delete(); | ||
| } catch (Exception e) { | ||
| } | ||
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| try { | ||
| LocalSocket localSocket = new LocalSocket(); | ||
| localSocket.bind(new LocalSocketAddress(PATH, LocalSocketAddress.Namespace.FILESYSTEM)); | ||
| serverSocket = new LocalServerSocket(localSocket.getFileDescriptor()); | ||
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| } catch (IOException e) { | ||
| Log.e(TAG, "unable to bind", e); | ||
| return; | ||
| } | ||
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| ExecutorService pool = Executors.newFixedThreadPool(4); | ||
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| while (isRunning) { | ||
| try { | ||
| LocalSocket socket = serverSocket.accept(); | ||
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| pool.execute(() -> { | ||
| try { | ||
| InputStream input = socket.getInputStream(); | ||
| OutputStream output = socket.getOutputStream(); | ||
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| input.read(); | ||
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| FileDescriptor[] fds = socket.getAncillaryFileDescriptors(); | ||
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| if (fds != null && fds.length > 0) { | ||
| Method getInt = FileDescriptor.class.getDeclaredMethod("getInt$"); | ||
| int fd = (int) getInt.invoke(fds[0]); | ||
| boolean ret = vpnService.protect(fd); | ||
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| io.github.xsocks.System.jniclose(fd); | ||
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| output.write(ret ? 0 : 1); | ||
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| input.close(); | ||
| output.close(); | ||
| } | ||
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| } catch (Exception e) { | ||
| Log.e(TAG, "Error when protect socket", e); | ||
| } | ||
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| // close socket | ||
| try { | ||
| socket.close(); | ||
| } catch (Exception e) { | ||
| // ignore | ||
| } | ||
| }); | ||
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| } catch (IOException e) { | ||
| Log.e(TAG, "Error when accept socket", e); | ||
| return; | ||
| } | ||
| } | ||
| } | ||
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| } |
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