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fix(#289): crash due to invalid UDP socks5 packet received

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Σrebe - Romain GERARD 2024-06-07 20:53:08 +02:00
parent 2dd99130fa
commit 0da43e1643
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1 changed files with 8 additions and 1 deletions
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9
src/socks5_udp.rs
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@ -241,7 +241,14 @@ pub async fn run_server(
let (destination_addr, data) = { let (destination_addr, data) = {
let payload = buf.split().freeze(); let payload = buf.split().freeze();
let (frag, destination_addr, data) = fast_socks5::parse_udp_request(payload.chunk()).await.unwrap(); let (frag, destination_addr, data) = match fast_socks5::parse_udp_request(payload.chunk()).await {
Ok((frag, addr, data)) => (frag, addr, data),
Err(err) => {
warn!("Skipping invalid UDP socks5 request: {} ", err);
debug!("Invalid UDP socks5 request: {:?}", payload.chunk());
continue;
}
};
// We don't support udp fragmentation // We don't support udp fragmentation
if frag != 0 { if frag != 0 {
warn!("dropping UDP socks5 fragmented"); warn!("dropping UDP socks5 fragmented");