jjkiers/layer4-proxy
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Pass Clippy and ignore shutdown error

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The client might close the connection before the server noticed. So we simply ignore the error thrown by the shutdown operation.
This commit is contained in:
KernelErr 2021-10-21 17:01:52 +08:00
parent 2c2509a178
commit 4352050b04
2 changed files with 31 additions and 40 deletions
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4
src/servers/mod.rs
View File

@ -41,7 +41,7 @@ impl Server {
let default = proxy.default.clone().unwrap_or_else(|| "ban".to_string()); let default = proxy.default.clone().unwrap_or_else(|| "ban".to_string());
let upstream = config.upstream.clone(); let upstream = config.upstream.clone();
let mut upstream_set: HashSet<String> = HashSet::new(); let mut upstream_set: HashSet<String> = HashSet::new();
for (key, _) in &upstream { for key in upstream.keys() {
if key.eq("ban") || key.eq("echo") { if key.eq("ban") || key.eq("echo") {
continue; continue;
} }
@ -200,7 +200,7 @@ where
{ {
match io::copy(reader, writer).await { match io::copy(reader, writer).await {
Ok(u64) => { Ok(u64) => {
writer.shutdown().await?; let _ = writer.shutdown().await;
Ok(u64) Ok(u64)
} }
Err(_) => Ok(0), Err(_) => Ok(0),

67
src/servers/tls.rs
View File

@ -7,56 +7,47 @@ use tls_parser::{
pub fn get_sni(buf: &[u8]) -> Vec<String> { pub fn get_sni(buf: &[u8]) -> Vec<String> {
let mut snis: Vec<String> = Vec::new(); let mut snis: Vec<String> = Vec::new();
match parse_tls_raw_record(buf) { match parse_tls_raw_record(buf) {
Ok((_, ref r)) => { Ok((_, ref r)) => match parse_tls_record_with_header(r.data, &r.hdr) {
match parse_tls_record_with_header(r.data, &r.hdr) { Ok((_, ref msg_list)) => {
Ok((_, ref msg_list)) => { for msg in msg_list {
for msg in msg_list { if let TlsMessage::Handshake(TlsMessageHandshake::ClientHello(ref content)) =
match *msg { *msg
TlsMessage::Handshake(ref m) => match *m { {
TlsMessageHandshake::ClientHello(ref content) => { debug!("TLS ClientHello version: {}", content.version);
debug!("TLS ClientHello version: {}", content.version); let ext = parse_tls_extensions(content.ext.unwrap_or(b""));
let ext = parse_tls_extensions(content.ext.unwrap_or(b"")); match ext {
match ext { Ok((_, ref extensions)) => {
Ok((_, ref extensions)) => { for ext in extensions {
for ext in extensions { if let tls_parser::TlsExtension::SNI(ref v) = *ext {
match *ext { for &(t, sni) in v {
tls_parser::TlsExtension::SNI(ref v) => { match String::from_utf8(sni.to_vec()) {
for &(t, sni) in v { Ok(s) => {
match String::from_utf8(sni.to_vec()) { debug!("TLS SNI: {} {}", t, s);
Ok(s) => { snis.push(s);
debug!("TLS SNI: {} {}", t, s); }
snis.push(s); Err(e) => {
} warn!("Failed to parse SNI: {} {}", t, e);
Err(e) => {
warn!("Failed to parse SNI: {} {}", t, e);
}
}
}
}
_ => {}
} }
} }
} }
Err(e) => {
warn!("TLS extensions error: {}", e);
}
} }
} }
_ => {} }
}, Err(e) => {
_ => {} warn!("TLS extensions error: {}", e);
}
} }
} }
} }
Err(err) => {
warn!("Failed to parse TLS: {}", err);
}
} }
} Err(err) => {
warn!("Failed to parse TLS: {}", err);
}
},
Err(err) => { Err(err) => {
warn!("Failed to parse TLS: {}", err); warn!("Failed to parse TLS: {}", err);
} }
} }
snis snis
} }