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restore preprocess_origin_connection_info

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or --dns none can not work
This commit is contained in:
ssrlive 2023-08-23 22:28:15 +08:00
parent d04344238a
commit 02b85739cb
1 changed files with 11 additions and 8 deletions
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19
src/tun2proxy.rs
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@ -460,7 +460,15 @@ impl<'a> TunToProxy<'a> {
fn preprocess_origin_connection_info(&mut self, info: ConnectionInfo) -> Result<ConnectionInfo> {
let origin_dst = SocketAddr::try_from(&info.dst)?;
let connection_info = match &mut self.options.virtual_dns {
None => info,
None => {
let mut info = info;
let port = origin_dst.port();
if port == DNS_PORT && info.protocol == IpProtocol::Udp && dns::addr_is_private(&origin_dst) {
let dns_addr: SocketAddr = "8.8.8.8:53".parse()?; // TODO: Configurable
info.dst = Address::from(dns_addr);
}
info
}
Some(virtual_dns) => {
let dst_ip = origin_dst.ip();
virtual_dns.touch_ip(&dst_ip);
@ -476,16 +484,11 @@ impl<'a> TunToProxy<'a> {
fn process_incoming_dns_over_tcp_packets(
&mut self,
manager: &Rc<dyn ConnectionManager>,
original_info: &ConnectionInfo,
info: &ConnectionInfo,
origin_dst: SocketAddr,
payload: &[u8],
) -> Result<()> {
_ = dns::parse_data_to_dns_message(payload, false)?;
let mut new_info = original_info.clone();
let dns_addr: SocketAddr = "8.8.8.8:53".parse()?;
new_info.dst = Address::from(dns_addr);
let info = &new_info;
if !self.connection_map.contains_key(info) {
log::info!("DNS over TCP {} ({})", info, origin_dst);
@ -493,7 +496,7 @@ impl<'a> TunToProxy<'a> {
let tcp_proxy_handler = manager.new_tcp_proxy(info, false)?;
let server_addr = manager.get_server_addr();
let mut state = self.create_new_tcp_connection_state(server_addr, origin_dst, tcp_proxy_handler, false)?;
state.udp_origin_dst = Some(SocketAddr::try_from(original_info.dst.clone())?);
state.udp_origin_dst = Some(origin_dst);
self.connection_map.insert(info.clone(), state);
// TODO: Move this 3 lines to the function end?