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fix subnet proxy deadloop (#1492)

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* use LPM to determine subnet proxy dst.
* never allow subnet proxy traffic sending to self.
This commit is contained in:
Sijie.Sun
2025-10-19 15:46:51 +08:00
committed by GitHub
parent 6f278ab167
commit 3ffa6214ca
12 changed files with 393 additions and 64 deletions
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easytier/src/tunnel/packet_def.rs
+18
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@@ -82,6 +82,7 @@ bitflags::bitflags! {
const NO_PROXY = 0b0000_1000;
const COMPRESSED = 0b0001_0000;
const KCP_SRC_MODIFIED = 0b0010_0000;
const NOT_SEND_TO_TUN = 0b0100_0000;
const _ = !0;
}
@@ -201,6 +202,23 @@ impl PeerManagerHeader {
.unwrap()
.contains(PeerManagerHeaderFlags::KCP_SRC_MODIFIED)
}
pub fn set_not_send_to_tun(&mut self, not_send_to_tun: bool) -> &mut Self {
let mut flags = PeerManagerHeaderFlags::from_bits(self.flags).unwrap();
if not_send_to_tun {
flags.insert(PeerManagerHeaderFlags::NOT_SEND_TO_TUN);
} else {
flags.remove(PeerManagerHeaderFlags::NOT_SEND_TO_TUN);
}
self.flags = flags.bits();
self
}
pub fn is_not_send_to_tun(&self) -> bool {
PeerManagerHeaderFlags::from_bits(self.flags)
.unwrap()
.contains(PeerManagerHeaderFlags::NOT_SEND_TO_TUN)
}
}
#[repr(C, packed)]