add proxy router example & support (take 2) #24
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This was referenced May 8, 2022
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First, thanks for your code @ router.rs I want know if it is possible to implement "socks5 => socks4"... use fast_socks5::socks4::client::Socks4Stream;
// proxy_addr: "socks4://1.2.3.4:1234"
match &proxy_addr.as_str()[5..6] {
"4" => {
let mut stream = Socks4Stream::connect(
proxy_addr.clone().as_str()[9..proxy_addr.len()].to_string(),
socket_addr.ip().to_string(),
socket_addr.port(),
false,
)
.await
.context("connect to downstream proxy for incoming socket")?;
match tokio::io::copy_bidirectional(&mut stream, &mut socks5_socket).await {
Ok(res) => {
debug!("socket transfer closed ({}, {})", res.0, res.1);
Ok(())
}
Err(err) => match err.kind() {
ErrorKind::NotConnected => {
debug!("socket transfer closed by client");
Ok(())
},
ErrorKind::ConnectionReset => {
debug!("socket transfer closed by downstream proxy");
Ok(())
},
_ => Err(SocksError::Other(anyhow!(
"socket transfer error: {:#}",
err
)))
},
}
},
"5" => {
let mut stream = Socks5Stream::connect(
........ |
Once you have 2 byte streams you should be able to copy between them, regardless of it was created. I am not affiliate with this repository though, an neither have I use it in a while. Might use it again in near future. |
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Retry of original attempt at #18
Not much changed except that I figured out the missing part.
Turns out it requires the data transfer not to happen yet,
while we do want all the other code to have been executed.
This should work now.
Resolves #18 .
It also closes #19, as you already supported that, and now we can use it correctly.