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port forward (#736)

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* support tcp port forward
* support udp port forward
* command line option for port forward
This commit is contained in:
Sijie.Sun
2025-04-01 09:59:53 +08:00
committed by GitHub
parent 8dc8c7d9e2
commit c142db301a
19 changed files with 955 additions and 143 deletions
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easytier/src/gateway/ip_reassembler.rs
+9
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@@ -45,11 +45,13 @@ impl IpPacket {
// make sure the fragment doesn't overlap with existing fragments
for f in &self.fragments {
if f.offset <= fragment.offset && fragment.offset < f.offset + f.data.len() as u16 {
tracing::trace!("fragment overlap 1, f.offset = {}, fragment.offset = {}, f.data.len() = {}, fragment.data.len() = {}", f.offset, fragment.offset, f.data.len(), fragment.data.len());
return;
}
if fragment.offset <= f.offset
&& f.offset < fragment.offset + fragment.data.len() as u16
{
tracing::trace!("fragment overlap 2, f.offset = {}, fragment.offset = {}, f.data.len() = {}, fragment.data.len() = {}", f.offset, fragment.offset, f.data.len(), fragment.data.len());
return;
}
}
@@ -151,6 +153,13 @@ impl IpReassembler {
id,
};
tracing::trace!(
?key,
"add fragment, offset = {}, total_length = {}",
fragment.offset,
total_length
);
let mut entry = self.packets.entry(key.clone()).or_insert_with(|| {
let packet = IpPacket::new(source, destination);
let timestamp = Instant::now();