101 lines
3.0 KiB
Rust
101 lines
3.0 KiB
Rust
use std::io::{Read, Write};
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use std::net::{TcpStream, UdpSocket};
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use std::time::Duration;
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use std::env;
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use std::thread;
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use wireguard_proxy::Args;
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struct Server {
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udp_host: String,
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udp_target: String,
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tcp_target: String,
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socket_timeout: Option<Duration>,
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}
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impl Server {
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fn new(udp_host: String, udp_target: String, tcp_target: String, secs: u64) -> Server {
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Server {
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udp_host,
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udp_target,
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tcp_target,
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socket_timeout: match secs {
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0 => None,
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x => Some(Duration::from_secs(x)),
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},
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}
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}
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fn start(&self) -> std::io::Result<usize> {
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let mut tcp_stream = TcpStream::connect(&self.tcp_target)?;
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tcp_stream.set_read_timeout(self.socket_timeout)?;
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let udp_socket = UdpSocket::bind(&self.udp_host)?;
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udp_socket.set_read_timeout(self.socket_timeout)?;
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udp_socket.connect(&self.udp_target)?;
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let udp_socket_clone = udp_socket.try_clone().expect("clone udp_socket failed");
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let mut tcp_stream_clone = tcp_stream.try_clone().expect("clone tcp_stream failed");
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thread::spawn(move || {
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let mut buf = [0u8; 2048];
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loop {
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match udp_socket_clone.recv(&mut buf) {
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Ok(len) => {
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println!("udp got len: {}", len);
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tcp_stream_clone
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.write(&buf[..len])
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.expect("cannot write to tcp_clone");
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}
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Err(e) => {
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println!("recv function failed: {:?}", e);
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break;
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}
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}
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}
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});
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let mut buf = [0u8; 2048];
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loop {
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match tcp_stream.read(&mut buf) {
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Ok(len) => {
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println!("tcp got len: {}", len);
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udp_socket.send(&buf[..len])?;
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}
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Err(e) => {
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println!("Unable to read stream: {}", e);
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break;
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}
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}
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}
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Ok(0)
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}
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}
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fn main() {
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let raw_args = env::args().collect();
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let args = Args::new(&raw_args);
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if args.get_str(1, "").contains("-h") {
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println!(
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"usage: {} [-h] [udp_host, 127.0.0.1:51821] [udp_target, 127.0.0.1:51820] [tcp_target, 127.0.0.1:5555] [socket_timeout, 0]",
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args.get_str(0, "wireguard-proxy")
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);
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return;
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}
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let server = Server::new(
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args.get_str(1, "127.0.0.1:51821").to_owned(),
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args.get_str(2, "127.0.0.1:51820").to_owned(),
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args.get_str(3, "127.0.0.1:5555").to_owned(),
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args.get(3, 0),
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);
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println!(
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"udp_host: {}, udp_target: {}, tcp_target: {}, socket_timeout: {:?}",
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server.udp_host, server.udp_target, server.tcp_target, server.socket_timeout,
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);
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server.start().expect("error running server");
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}
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