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release: 1.4.1 — TCP fallback, Russian sites direct in the Android client

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Бобырев Андрей
2026-10-23 03:27:23 +03:00
parent 071d3695e6
commit dff6af2c8e
16 changed files with 361 additions and 23 deletions
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88
android-client/src/com/pca/phobos/vpn/MainActivity.java
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@@ -59,7 +59,9 @@ public class MainActivity extends Activity {
static final String MODE_ALL = "all", MODE_ONLY = "only", MODE_EXCEPT = "except";
static GoBackend backend;
static Process obfuscator;
static Process obfuscator, relay;
static final int TCP_LPORT = 13256;
static volatile String transport = ""; // "UDP" | "TCP" while up
static final Tunnel TUNNEL = new Tunnel() {
public String getName() { return "phobos"; }
public void onStateChange(Tunnel.State s) { }
@@ -215,17 +217,27 @@ public class MainActivity extends Activity {
private static String getPackageNameSafe() { return "com.pca.phobos.vpn"; }
private String obfPart(String conf) {
private String obfPart(String conf, boolean viaTcp) {
StringBuilder sb = new StringBuilder("[instance]\nsource-if = 127.0.0.1\nsource-lport = " + LPORT + "\n");
for (String ln : section(conf, "[instance]")) {
String k = key(ln);
if (k.equals("source-if") || k.equals("source-lport") || k.equals("verbose")) continue;
if (viaTcp && k.equals("target")) ln = "target = 127.0.0.1:" + TCP_LPORT;
sb.append(ln).append('\n');
}
sb.append("verbose = INFO\n");
return sb.toString();
}
/** "# pca-tcp = 443" written by the panel when the server has the TCP fallback. */
private static String tcpPort(String conf) {
for (String ln : conf.split("\n")) {
String t = ln.trim();
if (t.startsWith("#") && t.contains("pca-tcp") && t.contains("=")) return val(t);
}
return "";
}
private String target(String conf) {
for (String ln : section(conf, "[instance]")) if (key(ln).equals("target")) return val(ln);
return "?";
@@ -250,24 +262,39 @@ public class MainActivity extends Activity {
else if (req == 7) toast("Без разрешения на VPN подключиться нельзя");
}
/** Start (or restart) obfuscator; via TCP it dials the local udptcp relay. */
private void startTransport(String conf, boolean viaTcp) throws Exception {
stopObfuscator();
String lib = getApplicationInfo().nativeLibraryDir;
if (viaTcp) {
String host = target(conf).replaceAll(":\\d+$", "");
relay = new ProcessBuilder(lib + "/libudptcp.so", "-c", "127.0.0.1:" + TCP_LPORT, host + ":" + tcpPort(conf))
.redirectErrorStream(true).redirectOutput(new File(getFilesDir(), "tcp.log")).start();
}
File cfg = new File(getFilesDir(), "obf.conf");
try (FileOutputStream o = new FileOutputStream(cfg)) { o.write(obfPart(conf, viaTcp).getBytes(StandardCharsets.UTF_8)); }
obfuscator = new ProcessBuilder(lib + "/libwgobfuscator.so", "-c", cfg.getAbsolutePath())
.redirectErrorStream(true).redirectOutput(new File(getFilesDir(), "obf.log")).start();
Thread.sleep(600);
if (!obfuscator.isAlive()) throw new IllegalStateException("обфускатор завершился, код " + obfuscator.exitValue() + " — см. «Журнал»");
if (relay != null && !relay.isAlive()) throw new IllegalStateException("TCP-канал не запустился — см. «Журнал»");
transport = viaTcp ? "TCP" : "UDP";
log("transport " + transport + " -> " + target(conf) + (viaTcp ? " tcp:" + tcpPort(conf) : ""));
}
private void up() {
try {
String conf = prefs.getString("conf", "");
File cfg = new File(getFilesDir(), "obf.conf");
try (FileOutputStream o = new FileOutputStream(cfg)) { o.write(obfPart(conf).getBytes(StandardCharsets.UTF_8)); }
stopObfuscator();
String bin = getApplicationInfo().nativeLibraryDir + "/libwgobfuscator.so";
obfuscator = new ProcessBuilder(bin, "-c", cfg.getAbsolutePath())
.redirectErrorStream(true)
.redirectOutput(new File(getFilesDir(), "obf.log"))
.start();
Thread.sleep(600);
if (!obfuscator.isAlive()) throw new IllegalStateException("обфускатор завершился, код " + obfuscator.exitValue() + " — см. «Журнал»");
String mode = prefs.getString("transport", "auto");
boolean tcpAvail = !tcpPort(conf).isEmpty();
if ("tcp".equals(mode) && !tcpAvail) throw new IllegalStateException("на сервере нет TCP-канала — обновите панель и заново импортируйте ссылку");
startTransport(conf, "tcp".equals(mode));
Config c = Config.parse(new BufferedReader(new StringReader(
wgPart(conf, prefs.getString("mode", MODE_ALL), prefs.getString("apps", "")))));
backend.setState(TUNNEL, Tunnel.State.UP, c);
log("up ok, target " + target(conf) + ", mode " + prefs.getString("mode", MODE_ALL));
post("Подключено");
log("up ok, mode " + prefs.getString("mode", MODE_ALL) + ", transport " + mode);
post("Подключено (" + transport + ")");
if ("auto".equals(mode) && tcpAvail) watchUdp(conf);
} catch (Throwable e) {
stopObfuscator();
log("up failed: " + e);
@@ -275,14 +302,30 @@ public class MainActivity extends Activity {
}
}
/** Auto: no bytes back over UDP within 15 s -> UDP is cut, move the obfuscator to TCP. */
private void watchUdp(String conf) {
new Thread(() -> {
try {
Thread.sleep(15000);
if (!isUp() || !"UDP".equals(transport)) return;
if (backend.getStatistics(TUNNEL).totalRx() > 0) return;
log("UDP: no answer in 15 s -> switching to TCP");
startTransport(conf, true);
post("UDP не отвечает — переключился на TCP");
} catch (Throwable e) { log("watchUdp: " + e); }
}).start();
}
private void down() {
try { backend.setState(TUNNEL, Tunnel.State.DOWN, null); } catch (Throwable ignored) { }
stopObfuscator();
transport = "";
post("Отключено");
}
private static void stopObfuscator() {
if (obfuscator != null) { obfuscator.destroy(); obfuscator = null; }
if (relay != null) { relay.destroy(); relay = null; }
}
private void post(String msg) { ui.post(() -> { toast(msg); refresh(); }); }
@@ -364,6 +407,20 @@ public class MainActivity extends Activity {
ru.setChecked(prefs.getBoolean("ru_direct", true));
ru.setOnCheckedChangeListener((b, on) -> { prefs.edit().putBoolean("ru_direct", on).apply(); applyIfUp(); });
split.addView(ru, mw(4));
split.addView(tv("Канал до сервера", text(), 14, true), mw(8));
RadioGroup tg = new RadioGroup(this);
tg.setOrientation(RadioGroup.HORIZONTAL);
String tmode = prefs.getString("transport", "auto");
for (String[] m : new String[][]{{"auto", "Авто"}, {"udp", "UDP"}, {"tcp", "TCP"}}) {
RadioButton r = new RadioButton(this);
r.setText(m[1]);
r.setTextColor(text());
r.setId(View.generateViewId());
r.setChecked(m[0].equals(tmode));
r.setOnClickListener(v -> { prefs.edit().putString("transport", m[0]).apply(); applyIfUp(); });
tg.addView(r);
}
split.addView(tg);
int n = prefs.getString("apps", "").isEmpty() ? 0 : prefs.getString("apps", "").split(",").length;
split.addView(button("Выбрать приложения (" + n + ")", 0xFF475569, v -> pickApps()), mw(8));
split.addView(tv("Изменения применяются сразу. Само приложение всегда идёт напрямую — так обфускатор держит связь с сервером.",
@@ -385,7 +442,7 @@ public class MainActivity extends Activity {
boolean up = isUp();
power.setText(up ? "Отключить" : "Подключить");
power.setBackground(round(up ? 0xFF16A34A : 0xFF4F46E5, 90));
status.setText(up ? "🟢 VPN включён" : "⚪ VPN выключен");
status.setText(up ? "🟢 VPN включён" + (transport.isEmpty() ? "" : " · " + transport) : "⚪ VPN выключен");
if (up) {
try {
Statistics st = backend.getStatistics(TUNNEL);
@@ -466,6 +523,7 @@ public class MainActivity extends Activity {
private void showLog() {
String t = "— приложение —\n" + tail(new File(getFilesDir(), "app.log"), 3000)
+ "\n— обфускатор —\n" + tail(new File(getFilesDir(), "obf.log"), 3000)
+ "\n— TCP-канал —\n" + tail(new File(getFilesDir(), "tcp.log"), 1500)
+ "\nобфускатор запущен: " + (obfuscator != null && obfuscator.isAlive());
TextView v = tv(t, text(), 12, false);
v.setTextIsSelectable(true);