clean project from comments

This commit is contained in:
2026-03-13 21:39:29 +07:00
parent 66036c1451
commit 0cc44d0037
34 changed files with 132 additions and 542 deletions
+1 -11
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@@ -4,17 +4,13 @@ use hickory_proto::rr::{RData, Record};
use crate::connections::ip_store::FakeIpStore; use crate::connections::ip_store::FakeIpStore;
pub fn handle_dns_query(data: &[u8], store: &mut FakeIpStore) -> Option<Vec<u8>> { pub fn handle_dns_query(data: &[u8], store: &mut FakeIpStore) -> Option<Vec<u8>> {
// 1. Парсим входящий запрос
let request = Message::from_vec(data).ok()?; let request = Message::from_vec(data).ok()?;
// 2. Берем первый вопрос (обычно запрос только один)
let query = request.queries().first()?; let query = request.queries().first()?;
let name = query.name().to_string().trim_end_matches('.').to_string(); let name = query.name().to_string().trim_end_matches('.').to_string();
// 3. Получаем Fake IP
let fake_ip = store.get_or_assign(&name); let fake_ip = store.get_or_assign(&name);
// 4. Формируем ответ
let mut response = Message::new(); let mut response = Message::new();
response response
.set_recursion_available(true) .set_recursion_available(true)
@@ -23,14 +19,8 @@ pub fn handle_dns_query(data: &[u8], store: &mut FakeIpStore) -> Option<Vec<u8>>
.set_response_code(ResponseCode::NoError) .set_response_code(ResponseCode::NoError)
.add_query(query.clone()); .add_query(query.clone());
// Создаем запись A (IPv4) let record = Record::from_rdata(query.name().clone(), 1, RData::A(fake_ip.into()));
let record = Record::from_rdata(
query.name().clone(),
1, // TTL = 1 сек
RData::A(fake_ip.into()),
);
response.add_answer(record); response.add_answer(record);
// 5. Сериализуем обратно в байты
response.to_vec().ok() response.to_vec().ok()
} }
+1 -1
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@@ -9,7 +9,7 @@ pub struct FakeIpStore {
next_ip: u32, next_ip: u32,
} }
const START_IP: u32 = 0x64400001; // 100.64.0.1 (IP for Service Networks/Shared Address Space) const START_IP: u32 = 0x64400001;
impl FakeIpStore { impl FakeIpStore {
pub fn new() -> Self { pub fn new() -> Self {
+11 -19
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@@ -2,7 +2,7 @@ use netrunner_core::protocol::codec::socks::{SocksRequest, TargetAddress};
use smoltcp::iface::SocketHandle; use smoltcp::iface::SocketHandle;
use smoltcp::socket::tcp; use smoltcp::socket::tcp;
use tokio::io::{AsyncReadExt, AsyncWriteExt}; use tokio::io::{AsyncReadExt, AsyncWriteExt};
use tokio::net::TcpStream; // Твой код парсера use tokio::net::TcpStream;
use tokio::sync::{mpsc, oneshot}; use tokio::sync::{mpsc, oneshot};
use tokio_util::sync::CancellationToken; use tokio_util::sync::CancellationToken;
use tracing::{debug, info, trace, warn}; use tracing::{debug, info, trace, warn};
@@ -44,10 +44,9 @@ impl TcpConnection {
Err(e) => { Err(e) => {
debug!(%handle, error = %e, "Failed to connect to proxy"); debug!(%handle, error = %e, "Failed to connect to proxy");
return; return;
} // Тут можно добавить логирование }
}; };
// 2. SOCKS Handshake
if let Err(e) = SocksRequest::perform_client_handshake(&mut stream, &target_addr).await if let Err(e) = SocksRequest::perform_client_handshake(&mut stream, &target_addr).await
{ {
debug!(%handle, error = %e, "SOCKS handshake failed"); debug!(%handle, error = %e, "SOCKS handshake failed");
@@ -58,10 +57,8 @@ impl TcpConnection {
debug!(%handle, "SOCKS handshake successful, starting data bridge"); debug!(%handle, "SOCKS handshake successful, starting data bridge");
// 3. Копирование данных (Bridge)
let (mut reader, mut writer) = stream.into_split(); let (mut reader, mut writer) = stream.into_split();
// Читаем из канала -> Пишем в прокси
let to_proxy = async { let to_proxy = async {
while let Some(data) = rx_from_smol.recv().await { while let Some(data) = rx_from_smol.recv().await {
if writer.write_all(&data).await.is_err() { if writer.write_all(&data).await.is_err() {
@@ -70,7 +67,6 @@ impl TcpConnection {
} }
}; };
// Читаем из прокси -> Пишем в канал для smoltcp
let from_proxy = async { let from_proxy = async {
let mut buf = [0u8; 65536]; let mut buf = [0u8; 65536];
loop { loop {
@@ -94,7 +90,7 @@ impl TcpConnection {
Self { Self {
handle, handle,
state: ConnectionState::Active, // Сразу переходим в Active, т.к. задача пошла state: ConnectionState::Active,
tx: tx_to_proxy, tx: tx_to_proxy,
rx: rx_from_proxy, rx: rx_from_proxy,
pending_data: vec![], pending_data: vec![],
@@ -105,7 +101,6 @@ impl TcpConnection {
pub fn tick(&mut self, socket: &mut tcp::Socket) -> bool { pub fn tick(&mut self, socket: &mut tcp::Socket) -> bool {
let state = socket.state(); let state = socket.state();
//trace!(handle=%self.handle, ?state, "Tick");
match self.state { match self.state {
ConnectionState::Handshaking => { ConnectionState::Handshaking => {
@@ -114,23 +109,22 @@ impl TcpConnection {
Ok(_) => { Ok(_) => {
self.state = ConnectionState::Active; self.state = ConnectionState::Active;
self.handshake_rx = None; self.handshake_rx = None;
return true; // Успех return true;
} }
Err(oneshot::error::TryRecvError::Empty) => return true, // Ждем Err(oneshot::error::TryRecvError::Empty) => return true,
Err(oneshot::error::TryRecvError::Closed) => { Err(oneshot::error::TryRecvError::Closed) => {
self.state = ConnectionState::Closed; // ФЕЙЛ self.state = ConnectionState::Closed;
return false; // СКАЗАТЬ МЕНЕДЖЕРУ УДАЛИТЬ НАС return false;
} }
} }
} else { } else {
return false; // Если rx пропал, но мы не Active — закрываем return false;
} }
} }
ConnectionState::Active => { ConnectionState::Active => {
self.poll_and_process(socket); self.poll_and_process(socket);
// FIN от удалённой стороны
if state == tcp::State::CloseWait { if state == tcp::State::CloseWait {
socket.close(); socket.close();
self.state = ConnectionState::Closed; self.state = ConnectionState::Closed;
@@ -164,7 +158,6 @@ impl TcpConnection {
} }
fn poll_and_process(&mut self, socket: &mut tcp::Socket) { fn poll_and_process(&mut self, socket: &mut tcp::Socket) {
// 1. сначала читаем smoltcp
if socket.can_recv() { if socket.can_recv() {
let _ = socket.recv(|data| { let _ = socket.recv(|data| {
let len = data.len(); let len = data.len();
@@ -175,12 +168,11 @@ impl TcpConnection {
}); });
} }
// 2. потом отправляем proxy → smoltcp
if !self.pending_data.is_empty() { if !self.pending_data.is_empty() {
if self.pending_data.len() > MAX_PENDING { if self.pending_data.len() > MAX_PENDING {
warn!(%self.handle, "Buffer overflow! Aborting connection."); warn!(%self.handle, "Buffer overflow! Aborting connection.");
socket.abort(); // Убиваем сокет socket.abort();
self.token.cancel(); // Говорим tokio-задаче умереть self.token.cancel();
return; return;
} }
@@ -188,7 +180,7 @@ impl TcpConnection {
Ok(n) => { Ok(n) => {
self.pending_data.drain(0..n); self.pending_data.drain(0..n);
} }
Err(_) => {} // Оставляем в pending_data на следующий тик Err(_) => {}
} }
} }
+3 -10
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@@ -45,7 +45,6 @@ impl Session {
} }
} }
// --- Фабрика (SessionManager) ---
#[derive(uniffi::Object)] #[derive(uniffi::Object)]
pub struct SessionManager; pub struct SessionManager;
@@ -70,18 +69,13 @@ impl SessionManager {
} else { } else {
info!("Creating TUN device manually"); info!("Creating TUN device manually");
Tun::create(|config| { Tun::create(|config| {
config config.tun_name("tun0").address((10, 0, 0, 1)).up();
.tun_name("tun0")
.address((10, 0, 0, 1))
// ... настройки ...
.up();
}) })
.expect("Failed to init TUN") .expect("Failed to init TUN")
}; };
setup_platform_routing(&tun_device, &remote_address); setup_platform_routing(&tun_device, &remote_address);
// 2. Инициализация сети
let config = Config::new(smoltcp::wire::HardwareAddress::Ip); let config = Config::new(smoltcp::wire::HardwareAddress::Ip);
let mut caps = DeviceCapabilities::default(); let mut caps = DeviceCapabilities::default();
caps.max_transmission_unit = 1500; caps.max_transmission_unit = 1500;
@@ -97,13 +91,13 @@ impl SessionManager {
let proxy_ip = network.get_self_local_address(); let proxy_ip = network.get_self_local_address();
info!("Proxy self address: {:?}", proxy_ip); info!("Proxy self address: {:?}", proxy_ip);
// Запускаем сетевой поток
let net_handle = tokio::spawn(async move { let net_handle = tokio::spawn(async move {
network.run().await; network.run().await;
}); });
info!("Configuring Engine..."); info!("Configuring Engine...");
// 3. Инициализация Engine
let mut engine = Engine::new(config, caps, proxy_ip); let mut engine = Engine::new(config, caps, proxy_ip);
engine.set_any_ip(true); engine.set_any_ip(true);
engine.set_transparent_mode(); engine.set_transparent_mode();
@@ -112,7 +106,6 @@ impl SessionManager {
info!("Engine activated"); info!("Engine activated");
// 4. Главный цикл с поддержкой остановки
tokio::select! { tokio::select! {
res = engine.run(tun_device) => { res = engine.run(tun_device) => {
error!("Engine loop terminated unexpectedly: {:?}", res); error!("Engine loop terminated unexpectedly: {:?}", res);
+1 -5
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@@ -13,7 +13,6 @@ use tracing::{error, info};
#[tokio::main] #[tokio::main]
async fn main() { async fn main() {
// 1. Инициализируем систему логирования
logger_init(); logger_init();
info!("Initializing NetRunner Stack..."); info!("Initializing NetRunner Stack...");
let tun_device = Tun::create(|config| { let tun_device = Tun::create(|config| {
@@ -46,8 +45,6 @@ async fn main() {
let proxy_ip = network.get_self_local_address(); let proxy_ip = network.get_self_local_address();
// 2. ВЫНОСИМ СЕТЬ В ОТДЕЛЬНЫЙ ЦИКЛ
// Это запустит SOCKS5 сервер и TLS туннель параллельно движку
tokio::spawn(async move { tokio::spawn(async move {
info!("Network thread started"); info!("Network thread started");
network.run().await; network.run().await;
@@ -56,11 +53,10 @@ async fn main() {
let mut engine = Engine::new(config, caps, proxy_ip); let mut engine = Engine::new(config, caps, proxy_ip);
engine.set_any_ip(true); engine.set_any_ip(true);
engine.set_transparent_mode(); engine.set_transparent_mode();
engine.set_default_gateway(Ipv4Addr::new(10, 0, 0, 2)); // to smoltcp engine.set_default_gateway(Ipv4Addr::new(10, 0, 0, 2));
engine.activate(); engine.activate();
info!("Stack IP initialized: 10.0.0.2"); info!("Stack IP initialized: 10.0.0.2");
// 5. Запуск
info!("Engine starting process loop..."); info!("Engine starting process loop...");
engine.run(tun_device).await; engine.run(tun_device).await;
} }
+1 -1
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@@ -1,4 +1,4 @@
use crate::tun::tun::Tun; // Убедись, что путь к Tun верный use crate::tun::tun::Tun;
use std::io; use std::io;
pub fn setup_platform_routing(tun_device: &Tun, remote_address: &str) -> io::Result<()> { pub fn setup_platform_routing(tun_device: &Tun, remote_address: &str) -> io::Result<()> {
+5 -22
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@@ -19,7 +19,7 @@ use crate::{
pub struct ConnectionManager { pub struct ConnectionManager {
last_activity: HashMap<SocketHandle, StdInstant>, last_activity: HashMap<SocketHandle, StdInstant>,
active_tcp_sessions: HashMap<SocketHandle, TcpConnection>, active_tcp_sessions: HashMap<SocketHandle, TcpConnection>,
//active_udp_sessions: HashMap<SocketHandle, UdpSession>,
fake_ip_store: FakeIpStore, fake_ip_store: FakeIpStore,
proxy_ip: String, proxy_ip: String,
failed_until: HashMap<SocketHandle, StdInstant>, failed_until: HashMap<SocketHandle, StdInstant>,
@@ -37,7 +37,6 @@ impl ConnectionManager {
} }
pub fn start_listening(&mut self, socket_set: &mut SocketSet) { pub fn start_listening(&mut self, socket_set: &mut SocketSet) {
for (_, socket) in socket_set.iter_mut() { for (_, socket) in socket_set.iter_mut() {
// Обработка TCP (как было)
if let Some(tcp) = tcp::Socket::downcast_mut(socket) { if let Some(tcp) = tcp::Socket::downcast_mut(socket) {
if !tcp.is_open() { if !tcp.is_open() {
let endpoint = IpListenEndpoint { let endpoint = IpListenEndpoint {
@@ -46,11 +45,8 @@ impl ConnectionManager {
}; };
let _ = tcp.listen(endpoint); let _ = tcp.listen(endpoint);
} }
} } else if let Some(udp) = udp::Socket::downcast_mut(socket) {
// Добавляем обработку UDP
else if let Some(udp) = udp::Socket::downcast_mut(socket) {
if !udp.is_open() { if !udp.is_open() {
// Биндим на 53 порт, чтобы ловить DNS-запросы
let endpoint = IpListenEndpoint { let endpoint = IpListenEndpoint {
addr: None, addr: None,
port: 53, port: 53,
@@ -65,12 +61,11 @@ impl ConnectionManager {
} }
fn resolve_target(&self, socket: &tcp::Socket) -> TargetAddress { fn resolve_target(&self, socket: &tcp::Socket) -> TargetAddress {
// Безопасно получаем эндпоинт
let local_endpoint = match socket.local_endpoint() { let local_endpoint = match socket.local_endpoint() {
Some(ep) => ep, Some(ep) => ep,
None => { None => {
warn!(handle=?socket, "Attempted to resolve target for an unconnected socket"); warn!(handle=?socket, "Attempted to resolve target for an unconnected socket");
// Возвращаем дефолт, чтобы не падать
return TargetAddress::Domain("disconnected".to_string(), 0); return TargetAddress::Domain("disconnected".to_string(), 0);
} }
}; };
@@ -116,11 +111,10 @@ impl ConnectionManager {
fn handle_tcp(&mut self, handle: SocketHandle, socket: &mut tcp::Socket) { fn handle_tcp(&mut self, handle: SocketHandle, socket: &mut tcp::Socket) {
use tcp::State; use tcp::State;
// 1. Если сокет закрыт, просто чистим и возвращаем в LISTEN
if socket.state() == State::Closed { if socket.state() == State::Closed {
if let Some(until) = self.failed_until.get(&handle) { if let Some(until) = self.failed_until.get(&handle) {
if StdInstant::now() < *until { if StdInstant::now() < *until {
return; // Сокет в штрафе, не открываем его return;
} }
} }
@@ -130,15 +124,11 @@ impl ConnectionManager {
return; return;
} }
// 2. Если сокет установлен, но в менеджере нет записи
if socket.state() == State::Established && !self.active_tcp_sessions.contains_key(&handle) { if socket.state() == State::Established && !self.active_tcp_sessions.contains_key(&handle) {
let target = self.resolve_target(socket); let target = self.resolve_target(socket);
// ВАЖНО: Тут можно добавить проверку: если target "плохой" или не резолвится,
// сразу убиваем сокет, чтобы не зацикливаться.
if let TargetAddress::Domain(d, _) = &target { if let TargetAddress::Domain(d, _) = &target {
if d == "disconnected" { if d == "disconnected" {
// Или другая логика проверки
socket.abort(); socket.abort();
return; return;
} }
@@ -148,13 +138,11 @@ impl ConnectionManager {
self.active_tcp_sessions.insert(handle, conn); self.active_tcp_sessions.insert(handle, conn);
} }
// 3. Обработка активной сессии
if let Some(conn) = self.active_tcp_sessions.get_mut(&handle) { if let Some(conn) = self.active_tcp_sessions.get_mut(&handle) {
if !conn.tick(socket) { if !conn.tick(socket) {
// Если tick вернул false, значит сессия завершена или произошла ошибка в tokio-задаче
debug!(%handle, "Connection handshake failed or closed, aborting socket."); debug!(%handle, "Connection handshake failed or closed, aborting socket.");
self.active_tcp_sessions.remove(&handle); self.active_tcp_sessions.remove(&handle);
socket.abort(); // Принудительно закрываем "битый" сокет socket.abort();
self.failed_until self.failed_until
.insert(handle, StdInstant::now() + Duration::from_secs(5)); .insert(handle, StdInstant::now() + Duration::from_secs(5));
} }
@@ -164,7 +152,6 @@ impl ConnectionManager {
socket.abort(); socket.abort();
} }
// 4. Обработка FIN
if socket.state() == State::CloseWait { if socket.state() == State::CloseWait {
socket.close(); socket.close();
} }
@@ -211,20 +198,16 @@ impl ConnectionManager {
} }
pub fn setup_sockets(n_tcp: usize, n_udp: usize, n_icmp: usize) -> SocketSet<'static> { pub fn setup_sockets(n_tcp: usize, n_udp: usize, n_icmp: usize) -> SocketSet<'static> {
// Создаем хранилище с запасом на все типы сокетов
let mut sockets = SocketSet::new(Vec::with_capacity(n_tcp + n_udp + n_icmp)); let mut sockets = SocketSet::new(Vec::with_capacity(n_tcp + n_udp + n_icmp));
// 1. Добавляем TCP сокеты
for _ in 0..n_tcp { for _ in 0..n_tcp {
sockets.add(Self::create_tcp_socket()); sockets.add(Self::create_tcp_socket());
} }
// 2. Добавляем UDP сокеты
for _ in 0..n_udp { for _ in 0..n_udp {
sockets.add(Self::create_udp_socket()); sockets.add(Self::create_udp_socket());
} }
// 3. Добавляем ICMP сокет
for _ in 0..n_icmp { for _ in 0..n_icmp {
sockets.add(Self::create_icmp_socket()); sockets.add(Self::create_icmp_socket());
} }
-5
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@@ -1,5 +1,3 @@
//! Virtual Device for receiving packets from tun
use std::{ use std::{
marker::PhantomData, marker::PhantomData,
mem, mem,
@@ -119,9 +117,6 @@ impl phy::TxToken for VirtTxToken<'_> {
} }
} }
// Maximum number of TokenBuffer cached globally.
//
// Each of them has capacity 65536 (defined in tun/mod.rs), so 64 * 65536 = 4MB.
const TOKEN_BUFFER_LIST_MAX_SIZE: usize = 64; const TOKEN_BUFFER_LIST_MAX_SIZE: usize = 64;
static TOKEN_BUFFER_LIST: LazyLock<Mutex<Vec<BytesMut>>> = LazyLock::new(|| Mutex::new(Vec::new())); static TOKEN_BUFFER_LIST: LazyLock<Mutex<Vec<BytesMut>>> = LazyLock::new(|| Mutex::new(Vec::new()));
+1 -1
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@@ -154,7 +154,7 @@ impl Engine {
pub fn set_transparent_mode(&mut self) { pub fn set_transparent_mode(&mut self) {
self.interface.update_ip_addrs(|addrs| { self.interface.update_ip_addrs(|addrs| {
addrs.clear(); addrs.clear();
//accept all internet
addrs addrs
.push(IpCidr::new(IpAddress::v4(10, 0, 0, 2), 24)) .push(IpCidr::new(IpAddress::v4(10, 0, 0, 2), 24))
.unwrap(); .unwrap();
+2 -10
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@@ -32,8 +32,8 @@ impl Tun {
pub fn from_android_fd(fd: i32) -> io::Result<Self> { pub fn from_android_fd(fd: i32) -> io::Result<Self> {
let mut config = Configuration::default(); let mut config = Configuration::default();
config.raw_fd(fd); // Передаем дескриптор, который нам дал Android VpnService config.raw_fd(fd);
config.up(); // Убеждаемся, что он поднят config.up();
Self::new(&config) Self::new(&config)
} }
@@ -60,7 +60,6 @@ impl Tun {
remote_address remote_address
); );
// 1. Находим текущий маршрут до прокси (до изменения default)
let output = Command::new("ip") let output = Command::new("ip")
.args(&["route", "get", remote_address]) .args(&["route", "get", remote_address])
.output()?; .output()?;
@@ -72,7 +71,6 @@ impl Tun {
info!("Обнаружен физический маршрут: dev={}, via={:?}", dev, via); info!("Обнаружен физический маршрут: dev={}, via={:?}", dev, via);
// 2. Добавляем статическое исключение для прокси
info!("Добавляем статический маршрут для прокси..."); info!("Добавляем статический маршрут для прокси...");
let mut proxy_route = vec!["ip", "route", "add", remote_address, "dev", dev]; let mut proxy_route = vec!["ip", "route", "add", remote_address, "dev", dev];
if let Some(gw) = via { if let Some(gw) = via {
@@ -83,13 +81,11 @@ impl Tun {
warn!("Маршрут к прокси уже существует или возникла ошибка (это нормально)."); warn!("Маршрут к прокси уже существует или возникла ошибка (это нормально).");
} }
// 3. Удаляем старый default, если он есть
info!("Переключаем default маршрут на tun0..."); info!("Переключаем default маршрут на tun0...");
let _ = Command::new("sudo") let _ = Command::new("sudo")
.args(&["ip", "route", "del", "default"]) .args(&["ip", "route", "del", "default"])
.status(); .status();
// 4. Устанавливаем tun0 как основной default
let status = Command::new("sudo") let status = Command::new("sudo")
.args(&[ .args(&[
"ip", "route", "add", "default", "via", "10.0.0.2", "dev", "tun0", "metric", "1", "ip", "route", "add", "default", "via", "10.0.0.2", "dev", "tun0", "metric", "1",
@@ -101,7 +97,6 @@ impl Tun {
error!("Не удалось установить tun0 как default!"); error!("Не удалось установить tun0 как default!");
} }
// 5. Добавляем резервный маршрут через физический интерфейс
if let Some(gw) = via { if let Some(gw) = via {
info!("Добавляем резервный маршрут через {} с метрикой 100", dev); info!("Добавляем резервный маршрут через {} с метрикой 100", dev);
let _ = Command::new("sudo") let _ = Command::new("sudo")
@@ -116,11 +111,8 @@ impl Tun {
} }
#[cfg(feature = "desktop")] #[cfg(feature = "desktop")]
pub fn setup_dns_redirection(&self) -> io::Result<()> { pub fn setup_dns_redirection(&self) -> io::Result<()> {
// 1. Создаем временный файл resolv.conf
// Мы говорим системе: "Твой DNS-сервер теперь 10.0.0.1" (твой TUN-IP)
let _ = std::fs::write("/tmp/resolv.conf.netrunner", "nameserver 10.0.0.2\n"); let _ = std::fs::write("/tmp/resolv.conf.netrunner", "nameserver 10.0.0.2\n");
// 2. Применяем его (для Linux/systemd)
let _ = std::process::Command::new("sudo") let _ = std::process::Command::new("sudo")
.args(&["cp", "/tmp/resolv.conf.netrunner", "/etc/resolv.conf"]) .args(&["cp", "/tmp/resolv.conf.netrunner", "/etc/resolv.conf"])
.status(); .status();
+4 -14
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@@ -17,12 +17,9 @@ impl NonceState {
} }
} }
// Возвращает nonce для текущего пакета и ПЕРЕХОДИТ к следующему
pub fn next_nonce(&mut self) -> Nonce { pub fn next_nonce(&mut self) -> Nonce {
let mut iv = self.base_iv; let mut iv = self.base_iv;
// В TLS 1.3 используется Little Endian для счетчика при XOR
// Но если ты сам пишешь протокол, BE тоже пойдет.
// Главное — единообразие.
let counter_bytes = self.counter.to_be_bytes(); let counter_bytes = self.counter.to_be_bytes();
for i in 0..8 { for i in 0..8 {
@@ -54,13 +51,7 @@ impl ChaChaCipher {
} }
} }
pub fn set_keys( pub fn set_keys(&mut self, w_key: [u8; 32], w_iv: [u8; 12], r_key: [u8; 32], r_iv: [u8; 12]) {
&mut self,
w_key: [u8; 32],
w_iv: [u8; 12], // Write (исходящие)
r_key: [u8; 32],
r_iv: [u8; 12], // Read (входящие)
) {
self.encrypt_cipher = ChaCha20Poly1305::new(Key::from_slice(&w_key)); self.encrypt_cipher = ChaCha20Poly1305::new(Key::from_slice(&w_key));
self.decrypt_cipher = ChaCha20Poly1305::new(Key::from_slice(&r_key)); self.decrypt_cipher = ChaCha20Poly1305::new(Key::from_slice(&r_key));
@@ -72,11 +63,10 @@ impl ChaChaCipher {
} }
impl AeadPacker for ChaChaCipher { impl AeadPacker for ChaChaCipher {
fn encrypt(&mut self, data: &mut BytesMut) -> Result<Bytes, chacha20poly1305::aead::Error> { fn encrypt(&mut self, data: &mut BytesMut) -> Result<Bytes, chacha20poly1305::aead::Error> {
// Сначала получаем текущий counter для лога (до того, как next_nonce его инкрементирует)
let current_counter = self.encrypt_state.counter; let current_counter = self.encrypt_state.counter;
let nonce = self.encrypt_state.next_nonce(); let nonce = self.encrypt_state.next_nonce();
let data_len = data.len(); let data_len = data.len();
// maybe ad should be stream id
match self.encrypt_cipher.encrypt_in_place(&nonce, &nonce, data) { match self.encrypt_cipher.encrypt_in_place(&nonce, &nonce, data) {
Ok(_) => { Ok(_) => {
tracing::trace!( tracing::trace!(
@@ -104,7 +94,7 @@ impl AeadPacker for ChaChaCipher {
let current_counter = self.decrypt_state.counter; let current_counter = self.decrypt_state.counter;
let nonce = self.decrypt_state.next_nonce(); let nonce = self.decrypt_state.next_nonce();
let data_len = data.len(); let data_len = data.len();
// maybe ad should be stream id
match self.decrypt_cipher.decrypt_in_place(&nonce, &nonce, data) { match self.decrypt_cipher.decrypt_in_place(&nonce, &nonce, data) {
Ok(_) => { Ok(_) => {
tracing::trace!( tracing::trace!(
+4 -17
View File
@@ -70,9 +70,8 @@ impl SessionKeys {
&mut self, &mut self,
salt: [u8; 32], salt: [u8; 32],
extensions: &ExtensionStack, extensions: &ExtensionStack,
is_server: bool, // true если мы Сервер (парсим ClientHello), false если Клиент is_server: bool,
) -> Result<([u8; 32], [u8; 12], [u8; 32], [u8; 12]), String> { ) -> Result<([u8; 32], [u8; 12], [u8; 32], [u8; 12]), String> {
// Сохраняем соль от удаленной стороны
self.salt.set_remote_salt(salt); self.salt.set_remote_salt(salt);
tracing::debug!( tracing::debug!(
@@ -88,8 +87,6 @@ impl SessionKeys {
let mut key_bytes = [0u8; 32]; let mut key_bytes = [0u8; 32];
if is_server { if is_server {
// МЫ СЕРВЕР: Парсим ClientHello KeyShare (там список)
// Минимум: 2 (длина списка) + 2 (группа) + 2 (длина ключа) + 32 (ключ) = 38
if dh_data.len() < 38 { if dh_data.len() < 38 {
return Err(format!( return Err(format!(
"Client KeyShare too short: {} bytes", "Client KeyShare too short: {} bytes",
@@ -98,7 +95,7 @@ impl SessionKeys {
} }
let mut found = false; let mut found = false;
// Ищем маркер x25519 (00 1d) и длину 32 (00 20)
for i in 2..=(dh_data.len() - 34) { for i in 2..=(dh_data.len() - 34) {
if dh_data[i..i + 4] == [0x00, 0x1d, 0x00, 0x20] { if dh_data[i..i + 4] == [0x00, 0x1d, 0x00, 0x20] {
key_bytes.copy_from_slice(&dh_data[i + 4..i + 36]); key_bytes.copy_from_slice(&dh_data[i + 4..i + 36]);
@@ -111,15 +108,12 @@ impl SessionKeys {
return Err("Could not find x25519 key in ClientHello".into()); return Err("Could not find x25519 key in ClientHello".into());
} }
} else { } else {
// МЫ КЛИЕНТ: Парсим ServerHello KeyShare (там сразу группа и ключ)
// [Group:2] [KeyLen:2] [Key:32] = 36 байт
if dh_data.len() < 36 { if dh_data.len() < 36 {
return Err("Server KeyShare too short".into()); return Err("Server KeyShare too short".into());
} }
key_bytes.copy_from_slice(&dh_data[4..36]); key_bytes.copy_from_slice(&dh_data[4..36]);
} }
// Проверка на "кривой" ключ
if key_bytes.iter().all(|&x| x == 0) { if key_bytes.iter().all(|&x| x == 0) {
return Err("Extracted remote public key is all ZEROS!".into()); return Err("Extracted remote public key is all ZEROS!".into());
} }
@@ -132,7 +126,6 @@ impl SessionKeys {
"Key exchange successful, deriving material..." "Key exchange successful, deriving material..."
); );
// Вызываем генерацию, которая вернет (w_key, w_iv, r_key, r_iv)
self.generate_keys(&public_key, is_server) self.generate_keys(&public_key, is_server)
} else { } else {
Err("No KeyShare extension found in handshake".into()) Err("No KeyShare extension found in handshake".into())
@@ -168,11 +161,10 @@ impl SessionKeys {
"HKDF expansion complete" "HKDF expansion complete"
); );
// Распределяем: (write_key, write_iv, read_key, read_iv)
if is_server { if is_server {
Ok((s_key, s_iv, c_key, c_iv)) // Сервер пишет своим, читает клиентским Ok((s_key, s_iv, c_key, c_iv))
} else { } else {
Ok((c_key, c_iv, s_key, s_iv)) // Клиент пишет своим, читает серверным Ok((c_key, c_iv, s_key, s_iv))
} }
} }
@@ -191,7 +183,6 @@ impl SessionKeys {
.unwrap() .unwrap()
.as_secs(); .as_secs();
// Генерируем на основе текущей минуты
Self::compute_tag(&self.auth_key, now / 60) Self::compute_tag(&self.auth_key, now / 60)
} }
@@ -203,11 +194,8 @@ impl SessionKeys {
let current_step = now / 60; let current_step = now / 60;
// Вставляем цикл проверки расширенного окна [-2, +2]
// Это дает запас по времени в обе стороны
for step in (current_step.saturating_sub(2))..=(current_step.saturating_add(2)) { for step in (current_step.saturating_sub(2))..=(current_step.saturating_add(2)) {
if &Self::compute_tag(&self.auth_key, step) == received_tag { if &Self::compute_tag(&self.auth_key, step) == received_tag {
// Если подошел не текущий, а другой шаг — логируем это для диагностики
if step != current_step { if step != current_step {
tracing::debug!(expected = %current_step, matched = %step, "Auth tag valid with time offset"); tracing::debug!(expected = %current_step, matched = %step, "Auth tag valid with time offset");
} }
@@ -215,7 +203,6 @@ impl SessionKeys {
} }
} }
// Если ни один не подошел — логируем для отладки
tracing::warn!( tracing::warn!(
current_step = %current_step, current_step = %current_step,
"AUTH MISMATCH: All tags rejected for current window" "AUTH MISMATCH: All tags rejected for current window"
-5
View File
@@ -5,17 +5,13 @@ pub fn logger_init() {
eprintln!("--- [DEBUG] logger_init start ---"); eprintln!("--- [DEBUG] logger_init start ---");
let _ = LogTracer::init(); let _ = LogTracer::init();
// 4. Фильтр (создаем его один раз для всех)
let filter_layer = let filter_layer =
EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("trace")); EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("trace"));
// Инициализируем базовый реестр
let registry = tracing_subscriber::registry().with(filter_layer); let registry = tracing_subscriber::registry().with(filter_layer);
// 2 & 5. Собираем реестр с учетом платформы
#[cfg(target_os = "android")] #[cfg(target_os = "android")]
{ {
// Слой для Android Logcat
let android_layer = let android_layer =
tracing_android::layer("NETRUNNER_RUST").expect("Failed to create android layer"); tracing_android::layer("NETRUNNER_RUST").expect("Failed to create android layer");
@@ -27,7 +23,6 @@ pub fn logger_init() {
#[cfg(not(target_os = "android"))] #[cfg(not(target_os = "android"))]
{ {
// 3. Слой для консоли (только для Linux/десктопа)
let fmt_layer = fmt::layer() let fmt_layer = fmt::layer()
.with_target(true) .with_target(true)
.with_line_number(true) .with_line_number(true)
+1 -11
View File
@@ -8,7 +8,6 @@ use crate::tlseng::types::{ContentType, HelloType};
use crate::tlseng::ApplicationData; use crate::tlseng::ApplicationData;
use bytes::{Bytes, BytesMut}; use bytes::{Bytes, BytesMut};
// --- 1. Общий интерфейс перехвата ---
pub trait TlsInterceptor { pub trait TlsInterceptor {
type Output; type Output;
@@ -23,7 +22,6 @@ pub trait TlsInterceptor {
fn handle_record(record: TlsRecord) -> Result<Option<Self::Output>, TlsError>; fn handle_record(record: TlsRecord) -> Result<Option<Self::Output>, TlsError>;
} }
// --- 2. Обработка Handshake ---
pub enum HandshakeMessage { pub enum HandshakeMessage {
Client { Client {
base: ClientHello, base: ClientHello,
@@ -106,7 +104,6 @@ impl TlsInterceptor for HandshakeMessage {
} }
} }
// --- 3. Обработка Application Data ---
impl TlsInterceptor for ApplicationData { impl TlsInterceptor for ApplicationData {
type Output = ApplicationData; type Output = ApplicationData;
@@ -125,12 +122,9 @@ impl TlsInterceptor for ApplicationData {
} }
} }
// --- 4. Высокоуровневый Bridge API ---
pub struct TlsBridge; pub struct TlsBridge;
impl TlsBridge { impl TlsBridge {
// --- Распаковка (уже была) ---
pub fn unpack_handshake(buffer: &mut BytesMut) -> Result<Option<HandshakeMessage>, TlsError> { pub fn unpack_handshake(buffer: &mut BytesMut) -> Result<Option<HandshakeMessage>, TlsError> {
HandshakeMessage::start_process(buffer) HandshakeMessage::start_process(buffer)
} }
@@ -139,19 +133,15 @@ impl TlsBridge {
ApplicationData::start_process(buffer) ApplicationData::start_process(buffer)
} }
// --- Запаковка (новое) ---
/// Создает полный TLS Record с ClientHello внутри
pub fn wrap_client_hello( pub fn wrap_client_hello(
profile: &BrowserProfile, profile: &BrowserProfile,
host: &str, host: &str,
public_key: &[u8; 32], public_key: &[u8; 32],
salt: [u8; 32], salt: [u8; 32],
) -> Bytes { ) -> Bytes {
ClientHello::make_client_hello(profile, host, public_key, salt) // Передаем ключ дальше ClientHello::make_client_hello(profile, host, public_key, salt)
} }
/// Создает полный TLS Record с ServerHello, базируясь на данных из HandshakeMessage::Client
pub fn wrap_server_hello( pub fn wrap_server_hello(
client_msg: &HandshakeMessage, client_msg: &HandshakeMessage,
server_pub_key: &[u8], server_pub_key: &[u8],
+2 -15
View File
@@ -32,7 +32,6 @@ impl Codec {
) -> Result<Bytes, TlsError> { ) -> Result<Bytes, TlsError> {
let pub_key = self.session_keys.ecdh.public_key.to_bytes(); let pub_key = self.session_keys.ecdh.public_key.to_bytes();
// 2. Передаем его в мост
Ok(TlsBridge::wrap_client_hello( Ok(TlsBridge::wrap_client_hello(
profile, profile,
host, host,
@@ -69,7 +68,6 @@ impl Codec {
) )
})?; })?;
// Инициализируем шифратор сервера
self.crypto.set_keys(w_key, w_iv, r_key, r_iv); self.crypto.set_keys(w_key, w_iv, r_key, r_iv);
Ok(server_hello_record) Ok(server_hello_record)
@@ -85,8 +83,6 @@ impl Codec {
) )
})?; })?;
// ОБНОВЛЕНИЕ КЛЮЧЕЙ НА КЛИЕНТЕ
// Передаем false, так как клиент ПАРСИТ ServerHello (смещение 4 байта)
let (w_key, w_iv, r_key, r_iv) = self let (w_key, w_iv, r_key, r_iv) = self
.session_keys .session_keys
.update_keys(mes.random(), mes.extensions(), false) .update_keys(mes.random(), mes.extensions(), false)
@@ -142,9 +138,6 @@ impl Codec {
}; };
let mut frame_bytes = frame.into_bytes(&tag); let mut frame_bytes = frame.into_bytes(&tag);
// ВАЖНО: вызываем шифрование ОДИН РАЗ.
// Метод encrypt возвращает Result<Bytes, chacha20poly1305::Error>
// Мы вручную превращаем его ошибку в твой TlsError.
let encrypted_payload = self.crypto.encrypt(&mut frame_bytes).map_err(|e| { let encrypted_payload = self.crypto.encrypt(&mut frame_bytes).map_err(|e| {
tracing::error!("Encryption failed: {:?}", e); tracing::error!("Encryption failed: {:?}", e);
TlsError::new( TlsError::new(
@@ -154,7 +147,6 @@ impl Codec {
) )
})?; })?;
// Теперь передаем зашифрованные байты в новый метод упаковки
Ok(TlsBridge::pack_app_data(encrypted_payload)) Ok(TlsBridge::pack_app_data(encrypted_payload))
} }
@@ -168,14 +160,12 @@ impl Codec {
} }
pub fn inbound(&mut self, buffer: &mut BytesMut) -> Result<Option<Frame>, TlsError> { pub fn inbound(&mut self, buffer: &mut BytesMut) -> Result<Option<Frame>, TlsError> {
// 1. Проверка старых данных
if !self.staging.is_empty() { if !self.staging.is_empty() {
if let Some(frame) = self.try_parse_frame()? { if let Some(frame) = self.try_parse_frame()? {
return Ok(Some(frame)); return Ok(Some(frame));
} }
} }
// 2. Цикл обработки новых рекордов
while let Some(app_data) = TlsBridge::unpack_app_data(buffer)? { while let Some(app_data) = TlsBridge::unpack_app_data(buffer)? {
let mut data_to_decrypt = BytesMut::from(app_data.payload); let mut data_to_decrypt = BytesMut::from(app_data.payload);
@@ -187,7 +177,6 @@ impl Codec {
) )
})?; })?;
// --- КРИТИЧЕСКАЯ ПРОВЕРКА ТЕГА ---
if decrypted.len() < 16 { if decrypted.len() < 16 {
return Err(TlsError::new( return Err(TlsError::new(
ErrorStage::Tls("Packet too short for auth"), ErrorStage::Tls("Packet too short for auth"),
@@ -199,7 +188,6 @@ impl Codec {
let mut received_tag = [0u8; 16]; let mut received_tag = [0u8; 16];
received_tag.copy_from_slice(&decrypted[..16]); received_tag.copy_from_slice(&decrypted[..16]);
// Используем метод verify_auth_tag, который мы обсуждали ранее
if !self.session_keys.verify_auth_tag(&received_tag) { if !self.session_keys.verify_auth_tag(&received_tag) {
tracing::error!( tracing::error!(
expected_hash = %hex::encode(&self.session_keys.auth_key[..4]), expected_hash = %hex::encode(&self.session_keys.auth_key[..4]),
@@ -208,11 +196,10 @@ impl Codec {
); );
return Err(TlsError::new( return Err(TlsError::new(
ErrorStage::Tls("Auth tag mismatch"), ErrorStage::Tls("Auth tag mismatch"),
ErrorAction::Drop, // Убиваем соединение ErrorAction::Drop,
Bytes::new(), Bytes::new(),
)); ));
} }
// ---------------------------------
self.staging.extend_from_slice(&decrypted); self.staging.extend_from_slice(&decrypted);
@@ -223,7 +210,7 @@ impl Codec {
Ok(None) Ok(None)
} }
// Выносим парсинг в отдельный метод, чтобы не дублировать код
fn try_parse_frame(&mut self) -> Result<Option<Frame>, TlsError> { fn try_parse_frame(&mut self) -> Result<Option<Frame>, TlsError> {
match Frame::parse(&mut self.staging) { match Frame::parse(&mut self.staging) {
Ok(Some(frame)) => Ok(Some(frame)), Ok(Some(frame)) => Ok(Some(frame)),
+7 -21
View File
@@ -27,9 +27,7 @@ impl SocksRequest {
where where
S: tokio::io::AsyncReadExt + tokio::io::AsyncWriteExt + Unpin, S: tokio::io::AsyncReadExt + tokio::io::AsyncWriteExt + Unpin,
{ {
// 1. Handshake Phase
loop { loop {
// Используем трейт Parser
if let Some(req) = Self::parse(buf)? { if let Some(req) = Self::parse(buf)? {
if let SocksRequest::Handshake { .. } = req { if let SocksRequest::Handshake { .. } = req {
let mut reply = BytesMut::with_capacity(2); let mut reply = BytesMut::with_capacity(2);
@@ -44,11 +42,9 @@ impl SocksRequest {
} }
} }
// 2. Connect Request Phase
loop { loop {
if let Some(req) = Self::parse(buf)? { if let Some(req) = Self::parse(buf)? {
if let SocksRequest::Connect { command, target } = req { if let SocksRequest::Connect { command, target } = req {
// Проверяем, что это именно CONNECT (0x01)
if command != 0x01 { if command != 0x01 {
return Err(format!("Unsupported SOCKS command: 0x{:02X}", command)); return Err(format!("Unsupported SOCKS command: 0x{:02X}", command));
} }
@@ -68,14 +64,12 @@ impl SocksRequest {
where where
S: tokio::io::AsyncReadExt + tokio::io::AsyncWriteExt + Unpin, S: tokio::io::AsyncReadExt + tokio::io::AsyncWriteExt + Unpin,
{ {
// 1. Отправляем Greeting (SOCKS5, 1 метод: No Auth)
let greeting = [SOCKS5_VERSION, 0x01, 0x00]; let greeting = [SOCKS5_VERSION, 0x01, 0x00];
stream stream
.write_all(&greeting) .write_all(&greeting)
.await .await
.map_err(|e| e.to_string())?; .map_err(|e| e.to_string())?;
// 2. Читаем выбор метода (должно быть 0x05 0x00)
let mut method_selection = [0u8; 2]; let mut method_selection = [0u8; 2];
stream stream
.read_exact(&mut method_selection) .read_exact(&mut method_selection)
@@ -89,11 +83,10 @@ impl SocksRequest {
)); ));
} }
// 3. Формируем CONNECT запрос
let mut connect_req = BytesMut::with_capacity(32); let mut connect_req = BytesMut::with_capacity(32);
connect_req.put_u8(SOCKS5_VERSION); connect_req.put_u8(SOCKS5_VERSION);
connect_req.put_u8(0x01); // CMD: Connect connect_req.put_u8(0x01);
connect_req.put_u8(0x00); // RSV connect_req.put_u8(0x00);
match target_addr { match target_addr {
TargetAddress::Ipv4(ip, port) => { TargetAddress::Ipv4(ip, port) => {
@@ -108,7 +101,7 @@ impl SocksRequest {
} }
TargetAddress::Domain(host, port) => { TargetAddress::Domain(host, port) => {
connect_req.put_u8(ATYP_DOMAIN); connect_req.put_u8(ATYP_DOMAIN);
// SOCKS5 для домена требует: [1 байт длина] + [строка]
let host_bytes = host.as_bytes(); let host_bytes = host.as_bytes();
connect_req.put_u8(host_bytes.len() as u8); connect_req.put_u8(host_bytes.len() as u8);
connect_req.put_slice(host_bytes); connect_req.put_slice(host_bytes);
@@ -121,8 +114,6 @@ impl SocksRequest {
.await .await
.map_err(|e| e.to_string())?; .map_err(|e| e.to_string())?;
// 4. Читаем ответ на Connect (REP)
// Нам нужно как минимум 4 байта, чтобы узнать статус (REPLY_SUCCESS)
let mut reply_header = [0u8; 4]; let mut reply_header = [0u8; 4];
stream stream
.read_exact(&mut reply_header) .read_exact(&mut reply_header)
@@ -136,8 +127,6 @@ impl SocksRequest {
)); ));
} }
// Дочитываем оставшуюся часть адреса в ответе (BND.ADDR + BND.PORT),
// чтобы очистить поток перед передачей данных.
let atyp = reply_header[3]; let atyp = reply_header[3];
let remain_len = match atyp { let remain_len = match atyp {
ATYP_IPV4 => IPV4_SIZE + PORT_SIZE, ATYP_IPV4 => IPV4_SIZE + PORT_SIZE,
@@ -174,9 +163,9 @@ pub enum SocksReply {
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
pub enum TargetAddress { pub enum TargetAddress {
Ipv4(std::net::Ipv4Addr, u16), // Теперь 2 поля Ipv4(std::net::Ipv4Addr, u16),
Domain(String, u16), // Теперь 2 поля Domain(String, u16),
Ipv6(std::net::Ipv6Addr, u16), // Теперь 2 поля Ipv6(std::net::Ipv6Addr, u16),
} }
#[derive(Debug)] #[derive(Debug)]
@@ -199,7 +188,7 @@ impl SocksReply {
} => { } => {
buf.put_u8(SOCKS5_VERSION); buf.put_u8(SOCKS5_VERSION);
buf.put_u8(reply_code); buf.put_u8(reply_code);
buf.put_u8(0x00); // Reserved buf.put_u8(0x00);
buf.put_u8(atyp); buf.put_u8(atyp);
buf.put_slice(&addr); buf.put_slice(&addr);
buf.put_u16(port); buf.put_u16(port);
@@ -211,18 +200,15 @@ impl SocksReply {
impl SocksTarget { impl SocksTarget {
pub fn to_string(&self) -> String { pub fn to_string(&self) -> String {
match &self.addr { match &self.addr {
// Теперь в каждом варианте TargetAddress уже есть порт (port)
TargetAddress::Ipv4(ip, port) => { TargetAddress::Ipv4(ip, port) => {
format!("{}:{}", ip, port) format!("{}:{}", ip, port)
} }
TargetAddress::Ipv6(ip, port) => { TargetAddress::Ipv6(ip, port) => {
// IPv6 адреса принято заключать в квадратные скобки при наличии порта
format!("[{}]:{}", ip, port) format!("[{}]:{}", ip, port)
} }
TargetAddress::Domain(domain, port) => { TargetAddress::Domain(domain, port) => {
// Вычищаем нулевые байты, если они случайно попали в строку
let clean_domain = domain.replace('\0', ""); let clean_domain = domain.replace('\0', "");
format!("{}:{}", clean_domain, port) format!("{}:{}", clean_domain, port)
} }
-6
View File
@@ -32,10 +32,6 @@ impl TlsError {
} }
fn log_error(&self) { fn log_error(&self) {
// Определяем уровень логирования в зависимости от действия
// Если мы просто ждем данные (Wait) — это не ошибка, а рабочий процесс (debug/trace)
// Если дропаем соединение (Drop) — это серьезно (error)
let stage_name = match &self.stage { let stage_name = match &self.stage {
ErrorStage::Tls(_) => "TLS", ErrorStage::Tls(_) => "TLS",
ErrorStage::Handshake(_) => "Handshake", ErrorStage::Handshake(_) => "Handshake",
@@ -46,7 +42,6 @@ impl TlsError {
ErrorStage::Tls(m) | ErrorStage::Handshake(m) | ErrorStage::ApplicationData(m) => m, ErrorStage::Tls(m) | ErrorStage::Handshake(m) | ErrorStage::ApplicationData(m) => m,
}; };
// Подготавливаем превью данных (первые 8 байт в хексе)
let data_preview = if !self.data.is_empty() { let data_preview = if !self.data.is_empty() {
let limit = self.data.len().min(8); let limit = self.data.len().min(8);
format!( format!(
@@ -60,7 +55,6 @@ impl TlsError {
match self.action { match self.action {
ErrorAction::Wait => { ErrorAction::Wait => {
// Wait — это нормальное состояние асинхронного чтения
trace!( trace!(
stage = stage_name, stage = stage_name,
action = ?self.action, action = ?self.action,
-6
View File
@@ -50,13 +50,10 @@ impl Parser for Frame {
type Error = String; type Error = String;
fn can_parse(bytes: &BytesMut) -> bool { fn can_parse(bytes: &BytesMut) -> bool {
// 1. Сначала проверяем, есть ли хотя бы заголовок
if bytes.len() < FRAME_HEADER_SIZE as usize { if bytes.len() < FRAME_HEADER_SIZE as usize {
return false; return false;
} }
// 2. Извлекаем длины из заголовка (БЕЗ удаления байтов из буфера)
// По твоей структуре: Auth(16) + Stream(4) + Type(1) = 21 байт смещения
let p_len = u16::from_be_bytes([bytes[21], bytes[22]]) as usize; let p_len = u16::from_be_bytes([bytes[21], bytes[22]]) as usize;
let pad_len = u16::from_be_bytes([bytes[23], bytes[24]]) as usize; let pad_len = u16::from_be_bytes([bytes[23], bytes[24]]) as usize;
@@ -68,7 +65,6 @@ impl Parser for Frame {
bytes.len() bytes.len()
); );
// 3. Проверяем, есть ли в буфере весь фрейм целиком
bytes.len() >= (FRAME_HEADER_SIZE as usize + p_len + pad_len) bytes.len() >= (FRAME_HEADER_SIZE as usize + p_len + pad_len)
} }
@@ -77,13 +73,11 @@ impl Parser for Frame {
return Ok(None); return Ok(None);
} }
// Извлекаем заголовок (теперь split_to удалит эти байты из начала bytes)
let header = FrameHeader::parse(bytes)?.ok_or("Failed to parse header")?; let header = FrameHeader::parse(bytes)?.ok_or("Failed to parse header")?;
let p_len = header.payload_len as usize; let p_len = header.payload_len as usize;
let pad_len = header.padding_len as usize; let pad_len = header.padding_len as usize;
// Теперь байты заголовка уже удалены, и в начале 'bytes' лежит Payload
if bytes.len() < p_len + pad_len { if bytes.len() < p_len + pad_len {
return Err("Buffer corrupted: length mismatch after header parse".into()); return Err("Buffer corrupted: length mismatch after header parse".into());
} }
+8 -15
View File
@@ -6,18 +6,16 @@ impl Parser for SocksTarget {
type Error = String; type Error = String;
fn can_parse(bytes: &BytesMut) -> bool { fn can_parse(bytes: &BytesMut) -> bool {
// Минимальная длина SOCKS5 CONNECT (VER, CMD, RSV, ATYP) = 4 байта
if bytes.len() < 4 { if bytes.len() < 4 {
return false; return false;
} }
let atyp = bytes[3]; let atyp = bytes[3];
match atyp { match atyp {
// IPv4: 4 байта IP + 2 байта порт
ATYP_IPV4 => bytes.len() >= 4 + 4 + 2, ATYP_IPV4 => bytes.len() >= 4 + 4 + 2,
// IPv6: 16 байт IP + 2 байта порт
ATYP_IPV6 => bytes.len() >= 4 + 16 + 2, ATYP_IPV6 => bytes.len() >= 4 + 16 + 2,
// Domain: 1 байт длины + N байт домена + 2 байта порт
ATYP_DOMAIN => { ATYP_DOMAIN => {
if bytes.len() < 5 { if bytes.len() < 5 {
return false; return false;
@@ -35,7 +33,7 @@ impl Parser for SocksTarget {
} }
let atyp = bytes[3]; let atyp = bytes[3];
// Вычисляем длину (включая ATYP и порт)
let total_len = match atyp { let total_len = match atyp {
ATYP_IPV4 => SOCKS5_MIN_HEADER + IPV4_SIZE + PORT_SIZE, ATYP_IPV4 => SOCKS5_MIN_HEADER + IPV4_SIZE + PORT_SIZE,
ATYP_DOMAIN => SOCKS5_MIN_HEADER + 1 + (bytes[4] as usize) + PORT_SIZE, ATYP_DOMAIN => SOCKS5_MIN_HEADER + 1 + (bytes[4] as usize) + PORT_SIZE,
@@ -44,12 +42,12 @@ impl Parser for SocksTarget {
}; };
let mut packet = bytes.split_to(total_len); let mut packet = bytes.split_to(total_len);
packet.advance(4); // Пропускаем [VER, CMD, RSV, ATYP] packet.advance(4);
let addr = match atyp { let addr = match atyp {
ATYP_IPV4 => { ATYP_IPV4 => {
let octets: [u8; 4] = packet.split_to(4)[..].try_into().unwrap(); let octets: [u8; 4] = packet.split_to(4)[..].try_into().unwrap();
let port = packet.get_u16(); // Достаем порт сразу let port = packet.get_u16();
TargetAddress::Ipv4(octets.into(), port) TargetAddress::Ipv4(octets.into(), port)
} }
ATYP_DOMAIN => { ATYP_DOMAIN => {
@@ -57,18 +55,17 @@ impl Parser for SocksTarget {
let domain_bytes = packet.split_to(len); let domain_bytes = packet.split_to(len);
let domain = String::from_utf8(domain_bytes.to_vec()) let domain = String::from_utf8(domain_bytes.to_vec())
.map_err(|_| "Invalid UTF-8 domain".to_string())?; .map_err(|_| "Invalid UTF-8 domain".to_string())?;
let port = packet.get_u16(); // Достаем порт сразу let port = packet.get_u16();
TargetAddress::Domain(domain, port) TargetAddress::Domain(domain, port)
} }
ATYP_IPV6 => { ATYP_IPV6 => {
let octets: [u8; 16] = packet.split_to(16)[..].try_into().unwrap(); let octets: [u8; 16] = packet.split_to(16)[..].try_into().unwrap();
let port = packet.get_u16(); // Достаем порт сразу let port = packet.get_u16();
TargetAddress::Ipv6(octets.into(), port) TargetAddress::Ipv6(octets.into(), port)
} }
_ => unreachable!(), _ => unreachable!(),
}; };
// Теперь SocksTarget — это просто оболочка над новым TargetAddress
Ok(Some(SocksTarget { addr })) Ok(Some(SocksTarget { addr }))
} }
} }
@@ -83,12 +80,10 @@ impl Parser for SocksRequest {
let nmethods = bytes[1] as usize; let nmethods = bytes[1] as usize;
if bytes.len() >= 2 + nmethods { if bytes.len() >= 2 + nmethods {
// Это может быть Handshake. Проверяем, не Connect ли это (мин. 6-10 байт)
if bytes.len() >= SOCKS5_MIN_HEADER && SocksTarget::can_parse(bytes) { if bytes.len() >= SOCKS5_MIN_HEADER && SocksTarget::can_parse(bytes) {
return true; return true;
} }
// Если для Connect данных мало или структура не совпадает,
// но для Handshake достаточно — ок.
return true; return true;
} }
@@ -100,7 +95,6 @@ impl Parser for SocksRequest {
return Ok(None); return Ok(None);
} }
// 1. Пытаемся распарсить как Connect (у него строгая структура)
if bytes.len() >= SOCKS5_MIN_HEADER && SocksTarget::can_parse(bytes) { if bytes.len() >= SOCKS5_MIN_HEADER && SocksTarget::can_parse(bytes) {
let command = bytes[1]; let command = bytes[1];
if let Some(target) = SocksTarget::parse(bytes)? { if let Some(target) = SocksTarget::parse(bytes)? {
@@ -108,7 +102,6 @@ impl Parser for SocksRequest {
} }
} }
// 2. Если не Connect, пробуем Handshake
let nmethods = bytes[1] as usize; let nmethods = bytes[1] as usize;
let total_handshake = 2 + nmethods; let total_handshake = 2 + nmethods;
+7 -46
View File
@@ -14,20 +14,14 @@ use crate::{
}; };
use bytes::{Buf, Bytes, BytesMut}; use bytes::{Buf, Bytes, BytesMut};
// =================================================================
// 1. RECORD LAYER
// =================================================================
impl Parser for TlsRecord { impl Parser for TlsRecord {
type Error = TlsError; type Error = TlsError;
fn can_parse(bytes: &BytesMut) -> bool { fn can_parse(bytes: &BytesMut) -> bool {
// 1. Минимум 5 байт для заголовка
if bytes.len() < 5 { if bytes.len() < 5 {
return false; return false;
} }
// 2. Проверяем ContentType
let content_type = bytes[0]; let content_type = bytes[0];
let is_valid_type = content_type == ContentType::Handshake as u8 let is_valid_type = content_type == ContentType::Handshake as u8
|| content_type == ContentType::ApplicationData as u8 || content_type == ContentType::ApplicationData as u8
@@ -37,21 +31,14 @@ impl Parser for TlsRecord {
return false; return false;
} }
// 3. Извлекаем заявленную длину тела рекорда
let record_len = u16::from_be_bytes([bytes[3], bytes[4]]) as usize; let record_len = u16::from_be_bytes([bytes[3], bytes[4]]) as usize;
// 4. Специфика TLS 1.3:
// Если это зашифрованные данные (0x17), они ДОЛЖНЫ содержать тег (16 байт)
// + как минимум 1 байт зашифрованного типа контента.
if content_type == ContentType::ApplicationData as u8 { if content_type == ContentType::ApplicationData as u8 {
if record_len < 17 { if record_len < 17 {
// Если длина < 17, это либо неполный пакет, либо ошибка протокола.
// Возвращаем false, чтобы подождать еще данных из сокета.
return false; return false;
} }
} }
// 5. Ждем, пока в буфере будет заголовок + всё тело
bytes.len() >= 5 + record_len bytes.len() >= 5 + record_len
} }
@@ -60,7 +47,6 @@ impl Parser for TlsRecord {
return Ok(None); return Ok(None);
} }
// --- ТОЛЬКО ТЕПЕРЬ МЫ ИЗМЕНЯЕМ БУФЕР ---
let raw_content_type = bytes.get_u8(); let raw_content_type = bytes.get_u8();
let raw_version = bytes.get_u16(); let raw_version = bytes.get_u16();
let record_len = bytes.get_u16() as usize; let record_len = bytes.get_u16() as usize;
@@ -71,17 +57,12 @@ impl Parser for TlsRecord {
let version = ProtocolVersion::try_from(raw_version) let version = ProtocolVersion::try_from(raw_version)
.map_err(|e| TlsError::new(ErrorStage::Tls(e), ErrorAction::Drop, Bytes::new()))?; .map_err(|e| TlsError::new(ErrorStage::Tls(e), ErrorAction::Drop, Bytes::new()))?;
// Забираем ровно столько, сколько указано в заголовке
let payload = bytes.split_to(record_len).freeze(); let payload = bytes.split_to(record_len).freeze();
Ok(Some(TlsRecord::new(content_type, version, payload))) Ok(Some(TlsRecord::new(content_type, version, payload)))
} }
} }
// =================================================================
// 2. PAYLOAD TYPES
// =================================================================
impl Parser for ApplicationData { impl Parser for ApplicationData {
type Error = TlsError; type Error = TlsError;
@@ -128,15 +109,11 @@ impl Parser for HelloHeader {
} }
} }
// =================================================================
// 3. HELLO MESSAGES
// =================================================================
impl Parser for ClientHello { impl Parser for ClientHello {
type Error = TlsError; type Error = TlsError;
fn can_parse(bytes: &BytesMut) -> bool { fn can_parse(bytes: &BytesMut) -> bool {
let mut offset = 34; // ProtocolVersion (2) + Random (32) let mut offset = 34;
if bytes.len() < offset + 1 { if bytes.len() < offset + 1 {
return false; return false;
} }
@@ -165,8 +142,7 @@ impl Parser for ClientHello {
} }
fn parse(bytes: &mut BytesMut) -> Result<Option<Self>, Self::Error> { fn parse(bytes: &mut BytesMut) -> Result<Option<Self>, Self::Error> {
// --- ШАГ 1: Атомарная проверка всего пакета --- let mut offset = 34;
let mut offset = 34; // Version + Random
if bytes.len() < offset + 1 { if bytes.len() < offset + 1 {
return Ok(None); return Ok(None);
} }
@@ -190,13 +166,10 @@ impl Parser for ClientHello {
offset += 2 + ext_len; offset += 2 + ext_len;
} }
// Если нам не хватает данных для полного ClientHello, выходим, не трогая буфер
if bytes.len() < offset { if bytes.len() < offset {
return Ok(None); return Ok(None);
} }
// --- ШАГ 2: Безопасное чтение ---
// Изолируем ровно тот кусок, который проверили.
let mut msg = bytes.split_to(offset); let mut msg = bytes.split_to(offset);
let version = ProtocolVersion::try_from(msg.get_u16()) let version = ProtocolVersion::try_from(msg.get_u16())
@@ -216,7 +189,7 @@ impl Parser for ClientHello {
} }
let cmp_len = msg.get_u8() as usize; let cmp_len = msg.get_u8() as usize;
msg.advance(cmp_len); // пропускаем методы сжатия msg.advance(cmp_len);
let extensions = if msg.remaining() >= 2 { let extensions = if msg.remaining() >= 2 {
let ext_len = msg.get_u16() as usize; let ext_len = msg.get_u16() as usize;
@@ -239,7 +212,7 @@ impl Parser for ServerHello {
type Error = TlsError; type Error = TlsError;
fn can_parse(bytes: &BytesMut) -> bool { fn can_parse(bytes: &BytesMut) -> bool {
let mut offset = 34; // ProtocolVersion (2) + Random (32) let mut offset = 34;
if bytes.len() < offset + 1 { if bytes.len() < offset + 1 {
return false; return false;
} }
@@ -247,7 +220,6 @@ impl Parser for ServerHello {
let session_id_len = bytes[offset] as usize; let session_id_len = bytes[offset] as usize;
offset += 1 + session_id_len; offset += 1 + session_id_len;
// Cipher suite (2) + Compression (1)
offset += 3; offset += 3;
if bytes.len() >= offset + 2 { if bytes.len() >= offset + 2 {
@@ -259,15 +231,14 @@ impl Parser for ServerHello {
} }
fn parse(bytes: &mut bytes::BytesMut) -> Result<Option<Self>, Self::Error> { fn parse(bytes: &mut bytes::BytesMut) -> Result<Option<Self>, Self::Error> {
// --- ШАГ 1: Атомарная проверка всего пакета --- let mut offset = 34;
let mut offset = 34; // Version + Random
if bytes.len() < offset + 1 { if bytes.len() < offset + 1 {
return Ok(None); return Ok(None);
} }
let session_id_len = bytes[offset] as usize; let session_id_len = bytes[offset] as usize;
offset += 1 + session_id_len; offset += 1 + session_id_len;
offset += 3; // Cipher Suite (2) + Compression (1) offset += 3;
if bytes.len() >= offset + 2 { if bytes.len() >= offset + 2 {
let ext_len = u16::from_be_bytes([bytes[offset], bytes[offset + 1]]) as usize; let ext_len = u16::from_be_bytes([bytes[offset], bytes[offset + 1]]) as usize;
@@ -278,7 +249,6 @@ impl Parser for ServerHello {
return Ok(None); return Ok(None);
} }
// --- ШАГ 2: Безопасное чтение ---
let mut msg = bytes.split_to(offset); let mut msg = bytes.split_to(offset);
let version = ProtocolVersion::try_from(msg.get_u16()) let version = ProtocolVersion::try_from(msg.get_u16())
@@ -291,7 +261,7 @@ impl Parser for ServerHello {
let session_id = msg.split_to(sid_len).freeze(); let session_id = msg.split_to(sid_len).freeze();
let cipher_suite = msg.get_u16(); let cipher_suite = msg.get_u16();
msg.advance(1); // compression msg.advance(1);
let extensions = if msg.remaining() >= 2 { let extensions = if msg.remaining() >= 2 {
let ext_len = msg.get_u16() as usize; let ext_len = msg.get_u16() as usize;
@@ -310,10 +280,6 @@ impl Parser for ServerHello {
} }
} }
// =================================================================
// 4. EXTENSIONS
// =================================================================
impl Parser for ExtensionStack { impl Parser for ExtensionStack {
type Error = TlsError; type Error = TlsError;
@@ -330,7 +296,6 @@ impl Parser for ExtensionStack {
} }
fn parse(bytes: &mut BytesMut) -> Result<Option<Self>, Self::Error> { fn parse(bytes: &mut BytesMut) -> Result<Option<Self>, Self::Error> {
// Проверяем на целостность всех расширений
let mut offset = 0; let mut offset = 0;
let data_len = bytes.len(); let data_len = bytes.len();
@@ -339,13 +304,10 @@ impl Parser for ExtensionStack {
offset += 4 + elen; offset += 4 + elen;
} }
// Если offset > data_len, значит кусок данных расширения отсечен, ждем еще данных
if offset > data_len { if offset > data_len {
return Ok(None); return Ok(None);
} }
// Если offset < data_len, есть лишние байты (Trailing garbage). Но так как мы
// обычно передаем сюда точный срез `extensions`, это может быть ошибкой формата.
if offset != data_len { if offset != data_len {
return Err(TlsError::new( return Err(TlsError::new(
ErrorStage::Tls("Malformed extension stack: trailing data"), ErrorStage::Tls("Malformed extension stack: trailing data"),
@@ -354,7 +316,6 @@ impl Parser for ExtensionStack {
)); ));
} }
// Теперь гарантированно безопасно парсить всё до конца
let mut extensions = Vec::new(); let mut extensions = Vec::new();
while bytes.remaining() >= 4 { while bytes.remaining() >= 4 {
let etype = bytes.get_u16(); let etype = bytes.get_u16();
+2 -3
View File
@@ -38,11 +38,11 @@ pub async fn run_proxy_bridge<R, W>(
} }
} }
} }
// Читаем из туннеля (v_rx) -> шлем в сокет
maybe_data = v_rx.recv() => { maybe_data = v_rx.recv() => {
match maybe_data { match maybe_data {
Some(data) => { Some(data) => {
if data.is_empty() { break; } // EOF от другой стороны if data.is_empty() { break; }
if let Err(e) = writer.write_all(&data).await { if let Err(e) = writer.write_all(&data).await {
error!(stream_id, error = %e, "Socket write error"); error!(stream_id, error = %e, "Socket write error");
break; break;
@@ -57,7 +57,6 @@ pub async fn run_proxy_bridge<R, W>(
} }
} }
// Финализация (общая для всех)
let _ = muxer let _ = muxer
.to_network .to_network
.send(MuxMessage { .send(MuxMessage {
+23 -23
View File
@@ -58,18 +58,18 @@ impl Connection {
} }
} }
/// Читает и парсит запрос SOCKS5 из входящего потока
async fn read_socks_request(&mut self) -> Result<SocksRequest, String> { async fn read_socks_request(&mut self) -> Result<SocksRequest, String> {
loop { loop {
// Попытка парсинга из текущего буфера
match SocksRequest::parse(&mut self.read_buf) { match SocksRequest::parse(&mut self.read_buf) {
Ok(Some(req)) => { Ok(Some(req)) => {
// Используем Debug-вывод (?req), так как SocksRequest обычно Enum
info!(client = %self.addr, request = ?req, "SOCKS request successfully parsed"); info!(client = %self.addr, request = ?req, "SOCKS request successfully parsed");
return Ok(req); return Ok(req);
} }
Ok(None) => { Ok(None) => {
// Это не ошибка, просто данных в сокете пока меньше, чем размер структуры SOCKS
trace!(client = %self.addr, buffer_len = self.read_buf.len(), "SOCKS parse: need more data"); trace!(client = %self.addr, buffer_len = self.read_buf.len(), "SOCKS parse: need more data");
} }
Err(e) => { Err(e) => {
@@ -78,7 +78,7 @@ impl Connection {
} }
} }
// Чтение новых данных из сокета
let n = self let n = self
.inbound .inbound
.read_buf(&mut self.read_buf) .read_buf(&mut self.read_buf)
@@ -97,7 +97,7 @@ impl Connection {
} }
} }
/// Отправляет SOCKS ответ
async fn send_socks_reply(&mut self, reply: SocksReply) -> Result<(), String> { async fn send_socks_reply(&mut self, reply: SocksReply) -> Result<(), String> {
let mut buf = BytesMut::with_capacity(24); let mut buf = BytesMut::with_capacity(24);
debug!(client = %self.addr, reply = ?reply, "Sending SOCKS reply to client"); debug!(client = %self.addr, reply = ?reply, "Sending SOCKS reply to client");
@@ -124,7 +124,7 @@ impl Connection {
pub async fn handle_socks_client(mut self, muxer: Muxer) -> Result<(), String> { pub async fn handle_socks_client(mut self, muxer: Muxer) -> Result<(), String> {
info!("Starting SOCKS multiplexed handling"); info!("Starting SOCKS multiplexed handling");
// 1. SOCKS Handshake
debug!("Reading SOCKS handshake request"); debug!("Reading SOCKS handshake request");
let _ = self.read_socks_request().await.map_err(|e| { let _ = self.read_socks_request().await.map_err(|e| {
error!("SOCKS handshake failed: {}", e); error!("SOCKS handshake failed: {}", e);
@@ -133,8 +133,8 @@ impl Connection {
self.send_socks_reply(SocksReply::HandshakeSelect { method: 0x00 }).await?; self.send_socks_reply(SocksReply::HandshakeSelect { method: 0x00 }).await?;
// 2. SOCKS Connect
// 2. SOCKS Connect - читаем, КУДА хочет браузер
let req = self.read_socks_request().await?; let req = self.read_socks_request().await?;
let target = if let SocksRequest::Connect { target, .. } = req { let target = if let SocksRequest::Connect { target, .. } = req {
target target
@@ -145,12 +145,12 @@ impl Connection {
let stream_id = muxer.next_id(); let stream_id = muxer.next_id();
let target_str = target.to_string(); let target_str = target.to_string();
// --- НОВАЯ ЛОГИКА ОЖИДАНИЯ ---
// Регистрируем временный канал, чтобы получить Connect-подтверждение от сервера
let (v_tx, mut v_rx) = mpsc::channel::<Bytes>(1024); let (v_tx, mut v_rx) = mpsc::channel::<Bytes>(1024);
muxer.register_stream(stream_id, v_tx).await; muxer.register_stream(stream_id, v_tx).await;
// Отправляем Connect-кадр на сервер
muxer.to_network.send(MuxMessage { muxer.to_network.send(MuxMessage {
stream_id, stream_id,
frame_type: FrameType::Connect, frame_type: FrameType::Connect,
@@ -161,7 +161,7 @@ impl Connection {
Ok(Some(data)) => data, Ok(Some(data)) => data,
_ => { _ => {
error!(stream_id, "Server timeout or failed to send Connect confirmation"); error!(stream_id, "Server timeout or failed to send Connect confirmation");
// Шлем браузеру ошибку, если сервер промолчал
self.send_socks_reply(SocksReply::ConnectResult { self.send_socks_reply(SocksReply::ConnectResult {
reply_code: 0x01, atyp: 0x01, addr: [0, 0, 0, 0], port: 0, reply_code: 0x01, atyp: 0x01, addr: [0, 0, 0, 0], port: 0,
}).await.ok(); }).await.ok();
@@ -169,20 +169,20 @@ impl Connection {
} }
}; };
// Проверяем код ответа (второй байт в SOCKS5)
if first_payload.len() >= 2 && first_payload[1] == 0x00 { if first_payload.len() >= 2 && first_payload[1] == 0x00 {
debug!(stream_id, "Server confirmed connection, forwarding SOCKS reply to browser"); debug!(stream_id, "Server confirmed connection, forwarding SOCKS reply to browser");
// ВАЖНО: Отправляем браузеру ТО, что прислал сервер (те самые 10 байт)
// Не создаем новый SocksReply вручную, а пробрасываем байты сервера
self.outbound.write_all(&first_payload).await.map_err(|e| e.to_string())?; self.outbound.write_all(&first_payload).await.map_err(|e| e.to_string())?;
} else { } else {
// Если сервер прислал ошибку (reply_code != 0), тоже пробрасываем её браузеру и выходим
self.outbound.write_all(&first_payload).await.ok(); self.outbound.write_all(&first_payload).await.ok();
return Err("Server rejected connection".into()); return Err("Server rejected connection".into());
} }
// 4. Разбираем self и запускаем хендлер
let Self { inbound: browser_in, outbound: browser_out, .. } = self; let Self { inbound: browser_in, outbound: browser_out, .. } = self;
let muxer_clone = muxer.clone(); let muxer_clone = muxer.clone();
@@ -201,11 +201,11 @@ impl Connection {
pub async fn handle_server_tunnel(mut self) -> Result<(), String> { pub async fn handle_server_tunnel(mut self) -> Result<(), String> {
info!("Acting as TLS Server, waiting for ClientHello"); info!("Acting as TLS Server, waiting for ClientHello");
// Создаем Muxer для сервера
let (mux_tx, mux_rx) = mpsc::channel(BUF_SIZE);
let muxer = Muxer::new(mux_tx.clone(), false); // false, так как это Сервер
// 1. TLS Handshake let (mux_tx, mux_rx) = mpsc::channel(BUF_SIZE);
let muxer = Muxer::new(mux_tx.clone(), false);
let server_hello_bytes = loop { let server_hello_bytes = loop {
match self.codec.make_server_handshake(&mut self.read_buf) { match self.codec.make_server_handshake(&mut self.read_buf) {
Ok(bytes) => { Ok(bytes) => {
@@ -227,7 +227,7 @@ impl Connection {
let handler = std::sync::Arc::new(StreamHandler::new(muxer.clone(), ConnectionRole::Server)); let handler = std::sync::Arc::new(StreamHandler::new(muxer.clone(), ConnectionRole::Server));
// 2. Передача управления в TunnelEngine
debug!("Handover to TunnelEngine"); debug!("Handover to TunnelEngine");
let engine = TunnelEngine { let engine = TunnelEngine {
inbound: self.inbound, inbound: self.inbound,
+4 -9
View File
@@ -19,7 +19,7 @@ pub struct TunnelEngine {
pub codec: Codec, pub codec: Codec,
pub read_buf: BytesMut, pub read_buf: BytesMut,
pub mux_rx: Receiver<MuxMessage>, pub mux_rx: Receiver<MuxMessage>,
pub handler: Arc<StreamHandler>, // Добавь это вместо прямого вызова логики pub handler: Arc<StreamHandler>,
} }
impl TunnelEngine { impl TunnelEngine {
@@ -36,7 +36,7 @@ impl TunnelEngine {
res? res?
} }
// НУЖНО ОТПРАВИТЬ В СЕТЬ (В сторону удаленного прокси)
Some(msg) = mux_rx.recv() => { Some(msg) = mux_rx.recv() => {
Self::handle_outbound( &mut outbound, &mut codec, msg).await?; Self::handle_outbound( &mut outbound, &mut codec, msg).await?;
} }
@@ -61,20 +61,17 @@ impl TunnelEngine {
loop { loop {
match codec.inbound(read_buf) { match codec.inbound(read_buf) {
// 1. Успешно достали фрейм
Ok(Some(frame)) => { Ok(Some(frame)) => {
handler.handle(frame).await; handler.handle(frame).await;
} }
// 2. Данных в буфере недостаточно (нужно подождать еще)
Ok(None) => break, Ok(None) => break,
// 3. Ошибка кодека
Err(e) => { Err(e) => {
// Если кодек говорит "подожди", выходим из цикла парсинга
if e.action == ErrorAction::Wait { if e.action == ErrorAction::Wait {
break; break;
} }
// Иначе — это реальная проблема (кривой TLS и т.д.)
error!(error = ?e, "Codec inbound failed"); error!(error = ?e, "Codec inbound failed");
return Err(format!("Codec error: {:?}", e)); return Err(format!("Codec error: {:?}", e));
} }
@@ -88,10 +85,8 @@ impl TunnelEngine {
codec: &mut Codec, codec: &mut Codec,
msg: MuxMessage, msg: MuxMessage,
) -> Result<(), String> { ) -> Result<(), String> {
// 1. Шифруем данные, используя только кодек
match codec.encrypt_data(msg.stream_id, msg.frame_type, msg.data) { match codec.encrypt_data(msg.stream_id, msg.frame_type, msg.data) {
Ok(pkt) => { Ok(pkt) => {
// 2. Пишем в сокет, используя только outbound
outbound outbound
.write_all(&pkt) .write_all(&pkt)
.await .await
+1 -5
View File
@@ -9,7 +9,6 @@ use crate::{
proxy::connection::{bridge::run_proxy_bridge, connection::ConnectionRole, muxer::Muxer}, proxy::connection::{bridge::run_proxy_bridge, connection::ConnectionRole, muxer::Muxer},
}; };
// proxy/connection/stream_handler.rs
pub struct StreamHandler { pub struct StreamHandler {
muxer: Muxer, muxer: Muxer,
role: ConnectionRole, role: ConnectionRole,
@@ -44,7 +43,6 @@ impl StreamHandler {
match tokio::net::TcpStream::connect(&target_str).await { match tokio::net::TcpStream::connect(&target_str).await {
Ok(stream) => { Ok(stream) => {
// --- ШАГ 2: ШЛЕМ ПОДТВЕРЖДЕНИЕ ---
let mut reply_buf = BytesMut::with_capacity(10); let mut reply_buf = BytesMut::with_capacity(10);
let reply = SocksReply::ConnectResult { let reply = SocksReply::ConnectResult {
reply_code: 0x00, reply_code: 0x00,
@@ -58,13 +56,12 @@ impl StreamHandler {
.send_control(stream_id, FrameType::Connect, reply_buf.freeze()) .send_control(stream_id, FrameType::Connect, reply_buf.freeze())
.await; .await;
// --- ШАГ 3: ЗАПУСКАЕМ МОСТ ---
let (r, w) = stream.into_split(); let (r, w) = stream.into_split();
run_proxy_bridge(stream_id, r, w, muxer, v_rx).await; run_proxy_bridge(stream_id, r, w, muxer, v_rx).await;
} }
Err(e) => { Err(e) => {
error!(stream_id, error = %e, "Connection failed"); error!(stream_id, error = %e, "Connection failed");
// Если не подключились — удаляем стрим, чтобы не висел в мапе
muxer.remove_stream(stream_id).await; muxer.remove_stream(stream_id).await;
let mut reply_buf = BytesMut::with_capacity(10); let mut reply_buf = BytesMut::with_capacity(10);
@@ -82,7 +79,6 @@ impl StreamHandler {
} }
}); });
} else { } else {
// Логика для клиента (проброс ответа сервера браузеру)
self.muxer.dispatch_to_local(stream_id, payload).await; self.muxer.dispatch_to_local(stream_id, payload).await;
} }
} }
+1 -1
View File
@@ -62,7 +62,7 @@ impl Muxer {
pub async fn remove_stream(&self, stream_id: u32) { pub async fn remove_stream(&self, stream_id: u32) {
let mut lock = self.streams.write().await; let mut lock = self.streams.write().await;
lock.remove(&stream_id); // Просто удаляем, если есть lock.remove(&stream_id);
} }
pub async fn send_control( pub async fn send_control(
+3 -14
View File
@@ -12,7 +12,7 @@ use tokio::{
io::{AsyncReadExt, AsyncWriteExt}, io::{AsyncReadExt, AsyncWriteExt},
net::{TcpListener, TcpStream}, net::{TcpListener, TcpStream},
}; };
use tracing::{error, info, instrument}; // Импортируем макросы use tracing::{error, info, instrument};
pub struct Network { pub struct Network {
host: String, host: String,
@@ -36,7 +36,6 @@ impl Network {
} }
} }
// Добавляем инструмент, чтобы видеть параметры запуска сети в логах
#[instrument(skip(self), fields(role = ?self.role, port = self.port))] #[instrument(skip(self), fields(role = ?self.role, port = self.port))]
pub async fn run(&self) { pub async fn run(&self) {
let addr = format!("{}:{}", self.host, self.port); let addr = format!("{}:{}", self.host, self.port);
@@ -60,7 +59,6 @@ impl Network {
if let Ok((stream, client_addr)) = listener.accept().await { if let Ok((stream, client_addr)) = listener.accept().await {
let current_muxer = muxer.clone(); let current_muxer = muxer.clone();
tokio::spawn(async move { tokio::spawn(async move {
// Здесь мы просто создаем Connection и сразу в SOCKS
let connection = Connection::new(stream, client_addr, false); let connection = Connection::new(stream, client_addr, false);
let _ = connection.handle_socks_client(current_muxer).await; let _ = connection.handle_socks_client(current_muxer).await;
}); });
@@ -69,7 +67,6 @@ impl Network {
} }
ConnectionRole::Server => { ConnectionRole::Server => {
// --- ЛОГИКА СЕРВЕРА ---
let listener = TcpListener::bind(&addr) let listener = TcpListener::bind(&addr)
.await .await
.expect("Failed to bind Server port"); .expect("Failed to bind Server port");
@@ -78,7 +75,6 @@ impl Network {
loop { loop {
if let Ok((stream, client_addr)) = listener.accept().await { if let Ok((stream, client_addr)) = listener.accept().await {
tokio::spawn(async move { tokio::spawn(async move {
// Сервер использует handle_server_tunnel
let connection = Connection::new(stream, client_addr, true); let connection = Connection::new(stream, client_addr, true);
if let Err(e) = connection.handle_server_tunnel().await { if let Err(e) = connection.handle_server_tunnel().await {
error!(client = %client_addr, error = %e, "Tunnel error"); error!(client = %client_addr, error = %e, "Tunnel error");
@@ -90,21 +86,16 @@ impl Network {
} }
} }
/// Вспомогательный метод для Клиента: создает TLS туннель и запускает TunnelEngine
pub async fn initialize_client_tunnel(&self) -> Result<Muxer, String> { pub async fn initialize_client_tunnel(&self) -> Result<Muxer, String> {
let server_addr = self.remote_proxy_addr.as_ref().ok_or("No proxy addr")?; let server_addr = self.remote_proxy_addr.as_ref().ok_or("No proxy addr")?;
// Вместо создания Connection (который нужен для обработки клиентов),
// работаем напрямую с TcpStream для первичного TLS-хендшейка.
let stream = TcpStream::connect(server_addr) let stream = TcpStream::connect(server_addr)
.await .await
.map_err(|e| e.to_string())?; .map_err(|e| e.to_string())?;
let (mut inbound, mut outbound) = stream.into_split(); let (mut inbound, mut outbound) = stream.into_split();
// Кодек создаем «с чистого листа»
let mut codec = crate::protocol::codec::codec::Codec::new(false); let mut codec = crate::protocol::codec::codec::Codec::new(false);
// --- TLS Handshake ---
let ch = codec let ch = codec
.make_client_handshake(&BrowserProfile::CHROME_131, "google.com") .make_client_handshake(&BrowserProfile::CHROME_131, "google.com")
.map_err(|e| format!("{:?}", e))?; .map_err(|e| format!("{:?}", e))?;
@@ -112,9 +103,8 @@ impl Network {
let mut sh_buf = BytesMut::with_capacity(2048); let mut sh_buf = BytesMut::with_capacity(2048);
loop { loop {
// Пытаемся обработать то, что уже есть в буфере
match codec.process_handshake(&mut sh_buf) { match codec.process_handshake(&mut sh_buf) {
Ok(_) => break, // Готово! Ok(_) => break,
Err(e) if e.action == ErrorAction::Wait => { Err(e) if e.action == ErrorAction::Wait => {
let n = inbound let n = inbound
.read_buf(&mut sh_buf) .read_buf(&mut sh_buf)
@@ -128,7 +118,6 @@ impl Network {
} }
} }
// --- Запуск инфраструктуры ---
let (mux_tx, mux_rx) = tokio::sync::mpsc::channel(BUF_SIZE); let (mux_tx, mux_rx) = tokio::sync::mpsc::channel(BUF_SIZE);
let muxer = Muxer::new(mux_tx, true); let muxer = Muxer::new(mux_tx, true);
@@ -141,7 +130,7 @@ impl Network {
inbound, inbound,
outbound, outbound,
codec, codec,
read_buf: sh_buf, // Передаем остатки данных из буфера хендшейка в движок! read_buf: sh_buf,
mux_rx, mux_rx,
handler, handler,
}; };
-8
View File
@@ -1,22 +1,14 @@
/// Handshake message types
pub const HANDSHAKE_TYPE_CLIENT_HELLO: u8 = 0x01; pub const HANDSHAKE_TYPE_CLIENT_HELLO: u8 = 0x01;
pub const HANDSHAKE_TYPE_SERVER_HELLO: u8 = 0x02; pub const HANDSHAKE_TYPE_SERVER_HELLO: u8 = 0x02;
/// SNI (Server Name Indication) specific
pub const TYPE_HOST_NAME: u8 = 0x00; pub const TYPE_HOST_NAME: u8 = 0x00;
/// PSK (Pre-Shared Key) modes
pub const PSK_DHE_KE_MODE: u8 = 0x01; pub const PSK_DHE_KE_MODE: u8 = 0x01;
/// Certificate compression algorithms
pub const CERT_COMPRESSION_BROTLI: u16 = 0x0002; pub const CERT_COMPRESSION_BROTLI: u16 = 0x0002;
/// Extension internal status types
pub const OCSP_STATUS_TYPE: u8 = 0x01; pub const OCSP_STATUS_TYPE: u8 = 0x01;
//pub const EC_POINT_FORMAT_UNCOMPRESSED: u8 = 0x00;
/// GREASE (Generate Random Extensions And Sustain Extensibility)
/// Используется для предотвращения ошибок серверов при встрече с неизвестными ID.
pub const GREASE_IDENTIFIERS: [u16; 16] = [ pub const GREASE_IDENTIFIERS: [u16; 16] = [
0x0A0A, 0x1A1A, 0x2A2A, 0x3A3A, 0x4A4A, 0x5A5A, 0x6A6A, 0x7A7A, 0x8A8A, 0x9A9A, 0xAAAA, 0xBABA, 0x0A0A, 0x1A1A, 0x2A2A, 0x3A3A, 0x4A4A, 0x5A5A, 0x6A6A, 0x7A7A, 0x8A8A, 0x9A9A, 0xAAAA, 0xBABA,
0xCACA, 0xDADA, 0xEAEA, 0xFAFA, 0xCACA, 0xDADA, 0xEAEA, 0xFAFA,
+8 -28
View File
@@ -1,7 +1,6 @@
use bytes::{BufMut, Bytes, BytesMut}; use bytes::{BufMut, Bytes, BytesMut};
use rand::RngExt; use rand::RngExt;
// Using your provided constants and types
use crate::tlseng::{ use crate::tlseng::{
consts::{ consts::{
CERT_COMPRESSION_BROTLI, GREASE_IDENTIFIERS, OCSP_STATUS_TYPE, PSK_DHE_KE_MODE, CERT_COMPRESSION_BROTLI, GREASE_IDENTIFIERS, OCSP_STATUS_TYPE, PSK_DHE_KE_MODE,
@@ -33,16 +32,6 @@ impl ExtensionStack {
} }
impl Extension { impl Extension {
/// Creates a new Extension from the given parameters.
///
/// # Arguments
///
/// * `etype`: The type of extension (e.g., EXT_SUPPORTED_VERSIONS).
/// * `data`: The actual data being transported (e.g., a serialized list of supported versions).
///
/// # Returns
///
/// A new Extension structure with the given parameters.
pub fn new(etype: u16, data: Bytes) -> Self { pub fn new(etype: u16, data: Bytes) -> Self {
Self { Self {
etype, etype,
@@ -50,16 +39,7 @@ impl Extension {
data, data,
} }
} }
/// Packs an extension into a single byte array.
///
/// # Arguments
///
/// * `etype`: The type of extension (e.g., EXT_SUPPORTED_VERSIONS).
/// * `data`: The actual data being transported (e.g., a serialized list of supported versions).
///
/// # Returns
///
/// A single byte array containing the type and length of the extension, followed by the actual extension data.
pub fn pack(etype: u16, data: &[u8]) -> Bytes { pub fn pack(etype: u16, data: &[u8]) -> Bytes {
let mut ext = BytesMut::with_capacity(4 + data.len()); let mut ext = BytesMut::with_capacity(4 + data.len());
ext.put_u16(etype); ext.put_u16(etype);
@@ -139,9 +119,9 @@ impl ExtensionBuilder {
pub fn key_share(&mut self, pub_key: &[u8]) { pub fn key_share(&mut self, pub_key: &[u8]) {
let mut data = BytesMut::with_capacity(38); let mut data = BytesMut::with_capacity(38);
data.put_u16(34); // Total Key Share List Length data.put_u16(34);
data.put_u16(TlsGroups::X25519); data.put_u16(TlsGroups::X25519);
data.put_u16(32); // Public Key length data.put_u16(32);
data.put_slice(pub_key); data.put_slice(pub_key);
self.add_extension(TlsExtensions::KEY_SHARE, &data); self.add_extension(TlsExtensions::KEY_SHARE, &data);
} }
@@ -152,7 +132,7 @@ impl ExtensionBuilder {
let p_bytes = proto.as_bytes(); let p_bytes = proto.as_bytes();
data.put_u8(p_bytes.len() as u8); data.put_u8(p_bytes.len() as u8);
data.put_slice(p_bytes); data.put_slice(p_bytes);
data.put_u16(0); // Empty settings per-protocol data.put_u16(0);
} }
self.add_extension(TlsExtensions::ALPS, &data); self.add_extension(TlsExtensions::ALPS, &data);
} }
@@ -189,15 +169,15 @@ impl ExtensionBuilder {
pub fn status_request(&mut self) { pub fn status_request(&mut self) {
let mut data = BytesMut::with_capacity(5); let mut data = BytesMut::with_capacity(5);
data.put_u8(OCSP_STATUS_TYPE); data.put_u8(OCSP_STATUS_TYPE);
data.put_u16(0); // responder_id_list data.put_u16(0);
data.put_u16(0); // request_extensions data.put_u16(0);
self.add_extension(TlsExtensions::STATUS_REQUEST, &data); self.add_extension(TlsExtensions::STATUS_REQUEST, &data);
} }
pub fn ec_point_formats(&mut self) { pub fn ec_point_formats(&mut self) {
let mut data = BytesMut::with_capacity(2); let mut data = BytesMut::with_capacity(2);
data.put_u8(1); data.put_u8(1);
data.put_u8(0x00); // Uncompressed data.put_u8(0x00);
self.add_extension(TlsExtensions::EC_POINT_FORMATS, &data); self.add_extension(TlsExtensions::EC_POINT_FORMATS, &data);
} }
@@ -263,7 +243,7 @@ impl ExtensionBuilder {
self.add_extension(TlsExtensions::PADDING, &[]); self.add_extension(TlsExtensions::PADDING, &[]);
} }
} }
// Обработка GREASE по маске
id if (id & 0x0f0f) == 0x0a0a => self.grease(), id if (id & 0x0f0f) == 0x0a0a => self.grease(),
_ => {} _ => {}
} }
+16 -48
View File
@@ -17,65 +17,46 @@ pub struct HelloHeader {
} }
pub struct ClientHello { pub struct ClientHello {
/// The maximum version supported (legacy field in TLS 1.3)
pub version: ProtocolVersion, pub version: ProtocolVersion,
/// 32 bytes of client-generated entropy
pub random: [u8; 32], pub random: [u8; 32],
/// Legacy session ID (used in TLS 1.3 for middlebox compatibility)
pub session_id: Bytes, pub session_id: Bytes,
/// List of cryptographic ciphers the client supports
pub cipher_suites: Vec<u16>, pub cipher_suites: Vec<u16>,
/// Opaque block of extensions generated by ExtensionBuilder
pub extensions: Bytes, pub extensions: Bytes,
} }
impl ClientHello { impl ClientHello {
/// Serializes the ClientHello message into its wire format.
/// Includes the 4-byte Handshake header (Type + Length).
pub fn serialize(&self) -> Bytes { pub fn serialize(&self) -> Bytes {
let mut buf = BytesMut::with_capacity(512 + self.extensions.len()); let mut buf = BytesMut::with_capacity(512 + self.extensions.len());
// Handshake Type: 0x01 (ClientHello)
buf.put_u8(HANDSHAKE_TYPE_CLIENT_HELLO); buf.put_u8(HANDSHAKE_TYPE_CLIENT_HELLO);
// Handshake Length Placeholder:
// Handshake messages use a 24-bit (3 byte) length field.
let length_pos = buf.len(); let length_pos = buf.len();
buf.put_bytes(0, 3); buf.put_bytes(0, 3);
// Protocol Version:
// For TLS 1.3, this is traditionally pinned to 0x0303 (TLS 1.2)
// to prevent middleboxes from dropping the packet.
buf.put_u16(0x0303); buf.put_u16(0x0303);
buf.put_slice(&self.random); buf.put_slice(&self.random);
// Legacy Session ID:
// Formatted as Length (1 byte) + ID bytes.
buf.put_u8(self.session_id.len() as u8); buf.put_u8(self.session_id.len() as u8);
buf.put_slice(&self.session_id); buf.put_slice(&self.session_id);
// Cipher Suites:
// Formatted as Total Length (2 bytes) + Suite IDs (2 bytes each).
buf.put_u16((self.cipher_suites.len() * 2) as u16); buf.put_u16((self.cipher_suites.len() * 2) as u16);
for &suite in &self.cipher_suites { for &suite in &self.cipher_suites {
buf.put_u16(suite); buf.put_u16(suite);
} }
// Legacy Compression Methods:
// Always 1 byte of length (1) followed by the 'Null' method (0x00).
buf.put_u8(1); buf.put_u8(1);
buf.put_u8(0x00); buf.put_u8(0x00);
// Extensions Block:
// Formatted as Total Length (2 bytes) + Extension Data.
buf.put_u16(self.extensions.len() as u16); buf.put_u16(self.extensions.len() as u16);
buf.put_slice(&self.extensions); buf.put_slice(&self.extensions);
// Patch the Handshake Length:
// We calculate the length of everything after the 3-byte placeholder.
let total_len = (buf.len() - length_pos - 3) as u32; let total_len = (buf.len() - length_pos - 3) as u32;
let len_bytes = total_len.to_be_bytes(); let len_bytes = total_len.to_be_bytes();
// Copy the last 3 bytes of the big-endian u32 into the placeholder.
buf[length_pos..length_pos + 3].copy_from_slice(&len_bytes[1..4]); buf[length_pos..length_pos + 3].copy_from_slice(&len_bytes[1..4]);
let ext_len = self.extensions.len(); let ext_len = self.extensions.len();
@@ -108,10 +89,10 @@ impl ClientHello {
session_id.put_slice(&[0u8; 32]); session_id.put_slice(&[0u8; 32]);
let client_hello = ClientHello { let client_hello = ClientHello {
version: ProtocolVersion::Tls12, // Legacy version for compatibility version: ProtocolVersion::Tls12,
random: tls_random, random: tls_random,
session_id: session_id.freeze(), // Standard 32-byte session ID session_id: session_id.freeze(),
cipher_suites: vec![0x1301, 0x1302, 0x1303], // TLS 1.3 suites cipher_suites: vec![0x1301, 0x1302, 0x1303],
extensions: extensions_bytes, extensions: extensions_bytes,
}; };
@@ -133,7 +114,6 @@ pub struct ServerHello {
pub extensions: BytesMut, pub extensions: BytesMut,
} }
impl ServerHello { impl ServerHello {
/// Динамически создает ServerHello на основе данных из ClientHello
pub fn from_client_hello( pub fn from_client_hello(
client_hello: &ClientHello, client_hello: &ClientHello,
server_public_key: &[u8], server_public_key: &[u8],
@@ -149,17 +129,14 @@ impl ServerHello {
let mut extensions = BytesMut::new(); let mut extensions = BytesMut::new();
// --- Extension: Supported Versions (0x002b) ---
extensions.put_u16(0x002b); extensions.put_u16(0x002b);
extensions.put_u16(2); extensions.put_u16(2);
extensions.put_u16(0x0304); // TLS 1.3 extensions.put_u16(0x0304);
// --- Extension: Key Share (0x0033) ---
// Структура: Type(2) + Length(2) + Group(2) + KeyLength(2) + Key(N)
extensions.put_u16(0x0033); extensions.put_u16(0x0033);
extensions.put_u16(36); // Общая длина данных расширения (2+2+32) extensions.put_u16(36);
extensions.put_u16(0x001d); // Named Group: x25519 extensions.put_u16(0x001d);
extensions.put_u16(32); // Key Length extensions.put_u16(32);
extensions.put_slice(server_public_key); extensions.put_slice(server_public_key);
Self { Self {
@@ -171,7 +148,6 @@ impl ServerHello {
} }
} }
/// Оборачивает в TLS Record, принимая ключ
pub fn make_server_hello( pub fn make_server_hello(
client_hello: &ClientHello, client_hello: &ClientHello,
server_public_key: &[u8], server_public_key: &[u8],
@@ -188,43 +164,35 @@ impl ServerHello {
record.serialize() record.serialize()
} }
/// Сериализация самого сообщения Handshake (Type + Len gth + Body)
pub fn serialize(&self) -> Bytes { pub fn serialize(&self) -> Bytes {
let mut buf = BytesMut::with_capacity(256 + self.extensions.len()); let mut buf = BytesMut::with_capacity(256 + self.extensions.len());
// 1. Handshake Type: 0x02 (ServerHello)
buf.put_u8(HANDSHAKE_TYPE_SERVER_HELLO); buf.put_u8(HANDSHAKE_TYPE_SERVER_HELLO);
// 2. Placeholder для длины (u24)
let length_pos = buf.len(); let length_pos = buf.len();
buf.put_bytes(0, 3); buf.put_bytes(0, 3);
// 3. Тело ServerHello buf.put_u16(0x0303);
buf.put_u16(0x0303); // Legacy Version
buf.put_slice(&self.random); buf.put_slice(&self.random);
// Session ID: Length (1 byte) + Data
buf.put_u8(self.session_id.len() as u8); buf.put_u8(self.session_id.len() as u8);
buf.put_slice(&self.session_id); buf.put_slice(&self.session_id);
// Selected Cipher Suite
buf.put_u16(self.cipher_suite); buf.put_u16(self.cipher_suite);
// Compression: всегда 0x00
buf.put_u8(0x00); buf.put_u8(0x00);
// Extensions: Length (2 bytes) + Data
buf.put_u16(self.extensions.len() as u16); buf.put_u16(self.extensions.len() as u16);
buf.put_slice(&self.extensions); buf.put_slice(&self.extensions);
// 4. Патчим длину Handshake сообщения (u24)
let total_len = (buf.len() - length_pos - 3) as u32; let total_len = (buf.len() - length_pos - 3) as u32;
let len_bytes = total_len.to_be_bytes(); let len_bytes = total_len.to_be_bytes();
buf[length_pos..length_pos + 3].copy_from_slice(&len_bytes[1..4]); buf[length_pos..length_pos + 3].copy_from_slice(&len_bytes[1..4]);
let total_handshake_len = (buf.len() - length_pos - 3) as u32; let total_handshake_len = (buf.len() - length_pos - 3) as u32;
let ext_len = self.extensions.len(); let ext_len = self.extensions.len();
// ИНФОРМАТИВНЫЙ ЛОГ
tracing::debug!( tracing::debug!(
handshake_type = "ServerHello", handshake_type = "ServerHello",
body_len = total_handshake_len, body_len = total_handshake_len,
@@ -233,6 +201,6 @@ impl ServerHello {
"Serialized Handshake message" "Serialized Handshake message"
); );
buf.freeze() // Превращаем BytesMut в Bytes buf.freeze()
} }
} }
+5 -32
View File
@@ -1,33 +1,20 @@
use crate::tlseng::types::{ExtensionOrder, TlsGroups, TlsSignatures, TlsVersions}; use crate::tlseng::types::{ExtensionOrder, TlsGroups, TlsSignatures, TlsVersions};
/// Represents a complete TLS fingerprint profile for a specific browser.
///
/// This struct contains all the necessary information to generate a TLS
/// fingerprint for a specific browser, including the groups, signatures,
/// delegated signatures, versions, ALPN, and extension order.
pub struct BrowserProfile { pub struct BrowserProfile {
/// The name of the browser profile.
pub name: &'static str, pub name: &'static str,
/// The groups supported by the browser.
pub groups: TlsGroups, pub groups: TlsGroups,
/// The signatures supported by the browser.
pub signatures: TlsSignatures, pub signatures: TlsSignatures,
/// The delegated signatures supported by the browser.
pub delegated_signatures: TlsSignatures, pub delegated_signatures: TlsSignatures,
/// The versions of TLS supported by the browser.
pub versions: TlsVersions, pub versions: TlsVersions,
/// The ALPN protocols supported by the browser.
pub alpn: &'static [&'static str], pub alpn: &'static [&'static str],
/// The specific order of Extension IDs (e.g., [0x0000, 0x0017, ...])
pub extension_order: ExtensionOrder, pub extension_order: ExtensionOrder,
/// Whether the browser is based on Chromium.
pub is_chromium: bool, pub is_chromium: bool,
} }
@@ -45,7 +32,7 @@ impl BrowserProfile {
pub const EDGE: Self = Self { pub const EDGE: Self = Self {
name: "Edge", name: "Edge",
groups: TlsGroups::CHROMIUM, // Edge использует тот же набор, что и Chrome groups: TlsGroups::CHROMIUM,
signatures: TlsSignatures::BROWSER_STANDARD, signatures: TlsSignatures::BROWSER_STANDARD,
delegated_signatures: TlsSignatures::BROWSER_STANDARD, delegated_signatures: TlsSignatures::BROWSER_STANDARD,
versions: TlsVersions::MODERN, versions: TlsVersions::MODERN,
@@ -56,45 +43,31 @@ impl BrowserProfile {
pub const DEFAULT: Self = Self::CHROME_131; pub const DEFAULT: Self = Self::CHROME_131;
} }
/// Represents a TLS configuration profile for the server side.
pub struct ServerProfile { pub struct ServerProfile {
/// Имя профиля (например, "Modern-TLS-1.3-Only" или "Compatible-Nginx-Style")
pub name: &'static str, pub name: &'static str,
/// Поддерживаемые версии TLS. Сервер выберет высшую общую с клиентом.
pub versions: TlsVersions, pub versions: TlsVersions,
/// Приоритетный список шифров (Cipher Suites).
/// В TLS 1.3 это обычно [0x1301, 0x1302, 0x1303].
pub cipher_suites: &'static [u16], pub cipher_suites: &'static [u16],
/// Группы для обмена ключами (Key Exchange Groups).
pub groups: TlsGroups, pub groups: TlsGroups,
/// Поддерживаемые алгоритмы подписи для аутентификации сервера.
pub signatures: TlsSignatures, pub signatures: TlsSignatures,
/// Протоколы ALPN, которые сервер готов подтвердить (h2, http/1.1).
pub alpn: &'static [&'static str], pub alpn: &'static [&'static str],
/// Настройки сессий
pub session_tickets: bool, pub session_tickets: bool,
/// Нужно ли форсировать порядок шифров сервера (Server Preference),
/// игнорируя порядок предпочтений клиента.
pub honor_cipher_order: bool, pub honor_cipher_order: bool,
} }
impl ServerProfile { impl ServerProfile {
pub const MODERN: Self = Self { pub const MODERN: Self = Self {
name: "Modern-Secure", name: "Modern-Secure",
versions: TlsVersions::MODERN, // Допустим, у тебя есть такой хелпер versions: TlsVersions::MODERN,
cipher_suites: &[ cipher_suites: &[0x1301, 0x1302, 0x1303],
0x1301, // TLS_AES_128_GCM_SHA256 groups: TlsGroups::MODERN,
0x1302, // TLS_AES_256_GCM_SHA384
0x1303, // TLS_CHACHA20_POLY1305_SHA256
],
groups: TlsGroups::MODERN, // X25519, P-256
signatures: TlsSignatures::BROWSER_STANDARD, signatures: TlsSignatures::BROWSER_STANDARD,
alpn: &["h2", "http/1.1"], alpn: &["h2", "http/1.1"],
session_tickets: true, session_tickets: true,
+2 -18
View File
@@ -2,32 +2,18 @@ use bytes::{BufMut, Bytes, BytesMut};
use crate::tlseng::types::{ContentType, ProtocolVersion}; use crate::tlseng::types::{ContentType, ProtocolVersion};
/// The TLS Record Layer structure.
/// This is the outer envelope that wraps all TLS messages sent over the wire.
#[derive(Debug)] #[derive(Debug)]
pub struct TlsRecord { pub struct TlsRecord {
/// The type of data contained (Handshake, ApplicationData, etc.)
pub content_type: ContentType, pub content_type: ContentType,
/// The record layer version (usually 0x0301 for legacy support)
pub version: ProtocolVersion, pub version: ProtocolVersion,
pub len: u16, pub len: u16,
/// The actual data being transported (e.g., a serialized ClientHello)
pub payload: Bytes, pub payload: Bytes,
} }
impl TlsRecord { impl TlsRecord {
/// Creates a new TLS Record Layer from the given parameters.
///
/// # Arguments
///
/// * `content_type`: The type of data contained (Handshake, ApplicationData, etc.).
/// * `version`: The record layer version (usually 0x0301 for legacy support).
/// * `payload`: The actual data being transported (e.g., a serialized ClientHello).
///
/// # Returns
///
/// A new TLS Record Layer structure with the given parameters.
pub fn new(content_type: ContentType, version: ProtocolVersion, payload: Bytes) -> Self { pub fn new(content_type: ContentType, version: ProtocolVersion, payload: Bytes) -> Self {
Self { Self {
content_type, content_type,
@@ -37,8 +23,6 @@ impl TlsRecord {
} }
} }
/// Serializes the Record Layer header and payload.
/// Wire Format: [Type (1)] [Version (2)] [Length (2)] [Payload (N)]
pub fn serialize(&self) -> Bytes { pub fn serialize(&self) -> Bytes {
let mut buf = BytesMut::with_capacity(5 + self.payload.len()); let mut buf = BytesMut::with_capacity(5 + self.payload.len());
+9 -80
View File
@@ -1,25 +1,15 @@
/// TLS Content Types as defined in the TLS Record Protocol.
/// These identify what is contained within the TLS Record payload.
#[repr(u8)] #[repr(u8)]
#[derive(Debug, Clone, Copy, PartialEq, Eq)] #[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum ContentType { pub enum ContentType {
/// Handshake messages (e.g., ClientHello, ServerHello)
Handshake = 0x16, Handshake = 0x16,
/// Encrypted application data (the actual traffic)
ApplicationData = 0x17, ApplicationData = 0x17,
/// Notification messages (e.g., CloseNotify or error signals)
Alert = 0x15, Alert = 0x15,
} }
impl TryFrom<u8> for ContentType { impl TryFrom<u8> for ContentType {
type Error = &'static str; type Error = &'static str;
/// Attempts to convert a given `u8` value into a `ContentType`.
///
/// Returns `Ok(ContentType)` if the conversion is successful, and `Err(&str)` if not.
///
/// # Examples
///
///
fn try_from(value: u8) -> Result<Self, Self::Error> { fn try_from(value: u8) -> Result<Self, Self::Error> {
match value { match value {
@@ -31,14 +21,6 @@ impl TryFrom<u8> for ContentType {
} }
} }
///
/// Represents known TLS protocol versions.
///
/// Note that TLS 1.3 often uses legacy versions in headers for compatibility.
///
/// # Examples
///
///
#[repr(u16)] #[repr(u16)]
#[derive(Copy, Clone, Debug)] #[derive(Copy, Clone, Debug)]
pub enum ProtocolVersion { pub enum ProtocolVersion {
@@ -50,66 +32,28 @@ pub enum ProtocolVersion {
impl TryFrom<u16> for ProtocolVersion { impl TryFrom<u16> for ProtocolVersion {
type Error = &'static str; type Error = &'static str;
/// Attempts to convert a given `u16` value into a `ProtocolVersion`.
///
/// Returns `Ok(ProtocolVersion)` if the conversion is successful, and `Err(&str)` if not.
///
/// # Examples
///
///
fn try_from(value: u16) -> Result<Self, Self::Error> { fn try_from(value: u16) -> Result<Self, Self::Error> {
match value { match value {
// TLS 1.0 (RFC 2246)
0x0301 => Ok(ProtocolVersion::Tls10), 0x0301 => Ok(ProtocolVersion::Tls10),
// TLS 1.2 (RFC 4346)
0x0303 => Ok(ProtocolVersion::Tls12), 0x0303 => Ok(ProtocolVersion::Tls12),
// TLS 1.3 (draft-ietf-tls-tls13-28)
0x0304 => Ok(ProtocolVersion::Tls13), 0x0304 => Ok(ProtocolVersion::Tls13),
_ => Err("This is not Protocol Version"), _ => Err("This is not Protocol Version"),
} }
} }
} }
/// Hello types as defined in the TLS Handshake Protocol.
///
/// These identify the type of the message in the TLS Handshake protocol.
///
/// # Examples
///
///
/// # Notes
///
/// The values of these enum variants are used as the first byte of the TLS
/// Handshake protocol message.
///
#[derive(Copy, Clone, Debug, PartialEq)] #[derive(Copy, Clone, Debug, PartialEq)]
pub enum HelloType { pub enum HelloType {
/// Client hello message type
Client = 0x01, Client = 0x01,
/// Server hello message type
Server = 0x02, Server = 0x02,
} }
/// Attempts to convert a given `u8` value into a `HelloType`.
///
/// Returns `Ok(HelloType)` if the conversion is successful, and `Err(&str)` if not.
///
/// # Examples
///
///
/// # Notes
///
/// This function is used to convert raw bytes into a `HelloType`.
/// It is used in the `HelloHeader` parsing process.
impl TryFrom<u8> for HelloType { impl TryFrom<u8> for HelloType {
type Error = &'static str; type Error = &'static str;
/// Attempts to convert a given `u8` value into a `HelloType`.
///
/// Returns `Ok(HelloType)` if the conversion is successful, and `Err(&str)` if not.
///
/// # Examples
///
///
fn try_from(value: u8) -> Result<Self, Self::Error> { fn try_from(value: u8) -> Result<Self, Self::Error> {
match value { match value {
0x01 => Ok(HelloType::Client), 0x01 => Ok(HelloType::Client),
@@ -119,10 +63,6 @@ impl TryFrom<u8> for HelloType {
} }
} }
/// A collection of supported TLS groups.
///
/// This is a list of 16-bit group identifiers that the client supports.
/// The server will select one of these groups to use for the key exchange.
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
pub struct TlsGroups(pub &'static [u16]); pub struct TlsGroups(pub &'static [u16]);
@@ -131,17 +71,11 @@ impl TlsGroups {
pub const SECP256R1: u16 = 0x0017; pub const SECP256R1: u16 = 0x0017;
pub const SECP384R1: u16 = 0x0018; pub const SECP384R1: u16 = 0x0018;
/// Стандартный набор для Chrome/Edge (X25519 + P-256)
pub const CHROMIUM: Self = Self(&[Self::X25519, Self::SECP256R1, Self::SECP384R1]); pub const CHROMIUM: Self = Self(&[Self::X25519, Self::SECP256R1, Self::SECP384R1]);
/// Набор "только современные кривые"
pub const MODERN: Self = Self(&[Self::X25519, Self::SECP256R1]); pub const MODERN: Self = Self(&[Self::X25519, Self::SECP256R1]);
} }
/// A collection of supported TLS signature algorithms.
///
/// This is a list of 16-bit signature algorithm identifiers that the client supports.
/// The server will select one of these algorithms to use for the digital signature.
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
pub struct TlsSignatures(pub &'static [u16]); pub struct TlsSignatures(pub &'static [u16]);
@@ -155,7 +89,6 @@ impl TlsSignatures {
pub const RSA_PSS_RSAE_SHA512: u16 = 0x0806; pub const RSA_PSS_RSAE_SHA512: u16 = 0x0806;
pub const RSA_PKCS1_SHA512: u16 = 0x0601; pub const RSA_PKCS1_SHA512: u16 = 0x0601;
/// Типичный набор для современных браузеров
pub const BROWSER_STANDARD: Self = Self(&[ pub const BROWSER_STANDARD: Self = Self(&[
Self::ECDSA_SECP256R1_SHA256, Self::ECDSA_SECP256R1_SHA256,
Self::RSA_PSS_RSAE_SHA256, Self::RSA_PSS_RSAE_SHA256,
@@ -167,10 +100,6 @@ impl TlsSignatures {
]); ]);
} }
/// A collection of supported TLS protocol versions.
///
/// This is a list of 16-bit protocol version identifiers that the client supports.
/// The server will select one of these versions to use for the TLS connection.
#[derive(Clone, Copy)] #[derive(Clone, Copy)]
pub struct TlsVersions(pub &'static [u16]); pub struct TlsVersions(pub &'static [u16]);
@@ -218,7 +147,7 @@ impl<'a> IntoIterator for &'a ExtensionOrder {
impl ExtensionOrder { impl ExtensionOrder {
pub const CHROMIUM_131: Self = Self(&[ pub const CHROMIUM_131: Self = Self(&[
0xaaaa, // GREASE 0xaaaa,
TlsExtensions::SNI, TlsExtensions::SNI,
TlsExtensions::EMS, TlsExtensions::EMS,
TlsExtensions::SESSION_TICKET, TlsExtensions::SESSION_TICKET,
@@ -237,7 +166,7 @@ impl ExtensionOrder {
]); ]);
pub const EDGE_130: Self = Self(&[ pub const EDGE_130: Self = Self(&[
0x1a1a, // GREASE 0x1a1a,
TlsExtensions::SNI, TlsExtensions::SNI,
TlsExtensions::EMS, TlsExtensions::EMS,
TlsExtensions::SESSION_TICKET, TlsExtensions::SESSION_TICKET,
@@ -254,6 +183,6 @@ impl ExtensionOrder {
TlsExtensions::SCT, TlsExtensions::SCT,
TlsExtensions::DELEGATED_CREDENTIAL, TlsExtensions::DELEGATED_CREDENTIAL,
TlsExtensions::PADDING, TlsExtensions::PADDING,
0x3a3a, // GREASE 0x3a3a,
]); ]);
} }
-29
View File
@@ -4,50 +4,21 @@ use bytes::Buf;
pub struct U24([u8; 3]); pub struct U24([u8; 3]);
impl U24 { impl U24 {
/// Creates a new `U24` from a given `u32` value.
///
/// The `u32` value is converted to big-endian byte order and then split into
/// three bytes, which are used to initialize the `U24`.
///
/// # Examples
///
///
pub fn from_u32(value: u32) -> Self { pub fn from_u32(value: u32) -> Self {
let b = value.to_be_bytes(); let b = value.to_be_bytes();
U24([b[1], b[2], b[3]]) U24([b[1], b[2], b[3]])
} }
/// Converts the `U24` into a `u32` value.
///
/// The `U24` is converted from big-endian byte order to a `u32` value.
///
/// # Examples
///
///
pub fn to_u32(&self) -> u32 { pub fn to_u32(&self) -> u32 {
u32::from_be_bytes([0, self.0[0], self.0[1], self.0[2]]) u32::from_be_bytes([0, self.0[0], self.0[1], self.0[2]])
} }
/// Converts a slice of three bytes into a `u32` value.
///
/// The slice is interpreted as a big-endian byte order, and the resulting `u32` value is
/// computed by combining the three bytes into a single 32-bit value.
pub fn from_slice(slice: &[u8]) -> u32 { pub fn from_slice(slice: &[u8]) -> u32 {
u32::from_be_bytes([0, slice[0], slice[1], slice[2]]) u32::from_be_bytes([0, slice[0], slice[1], slice[2]])
} }
} }
pub trait BufExt: Buf { pub trait BufExt: Buf {
/// Reads three bytes from the buffer and returns a `u32` value.
///
/// The bytes are read in big-endian byte order and then combined into a single `u32` value.
///
/// # Examples
///
///
/// let mut buf = BytesMut::from(&[0x12, 0x34, 0x56][..]);
/// let val = buf.get_u24();
/// assert_eq!(val, 0x123456);
fn get_u24(&mut self) -> u32 { fn get_u24(&mut self) -> u32 {
let b1 = self.get_u8() as u32; let b1 = self.get_u8() as u32;
let b2 = self.get_u8() as u32; let b2 = self.get_u8() as u32;
-4
View File
@@ -7,11 +7,9 @@ use clap::Parser;
#[derive(Parser, Debug)] #[derive(Parser, Debug)]
#[command(author, version, about = "Netrunner Proxy Server")] #[command(author, version, about = "Netrunner Proxy Server")]
struct Args { struct Args {
/// Порт, который будет слушать сервер
#[arg(short, long, default_value_t = 8080)] #[arg(short, long, default_value_t = 8080)]
port: u16, port: u16,
/// IP адрес для привязки
#[arg(long, default_value = "0.0.0.0")] #[arg(long, default_value = "0.0.0.0")]
host: String, host: String,
} }
@@ -21,10 +19,8 @@ fn main() {
let args = Args::parse(); let args = Args::parse();
let net = Network::new(args.host, args.port, ConnectionRole::Server, None); let net = Network::new(args.host, args.port, ConnectionRole::Server, None);
// Создаем движок (Runtime)
let rt = tokio::runtime::Runtime::new().expect("Failed to create Tokio runtime"); let rt = tokio::runtime::Runtime::new().expect("Failed to create Tokio runtime");
// "Блокируем" основной поток, пока работает асинхронный код
rt.block_on(async { rt.block_on(async {
net.run().await; net.run().await;
}); });