mirror of
https://github.com/therealaleph/MasterHttpRelayVPN-RUST.git
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dazzling-no-more
40c2b6c509
Adds end-to-end UDP support: SOCKS5 client UDP ASSOCIATE → tunnel-mux
udp_open/udp_data ops → tunnel-node UDP sessions → real UDP to upstream.
QUIC/HTTP3, DNS, and STUN now traverse full mode without falling back to
TCP or leaking outside the tunnel.
Apps Script proxies the new ops opaquely through the existing batch
endpoint; CodeFull.gs only gets a doc-comment update.
Highlights:
- proxy_server.rs: SOCKS5 UDP ASSOCIATE handler with per-session task,
bounded uplink mpsc channel, adaptive empty-poll backoff (500 ms → 30 s),
source-IP validation against the control TCP peer, port-locking on
first valid datagram, and self-removal from the dispatch map on eof.
- tunnel_client.rs: UdpOpen / UdpData / close_session mux variants
alongside the existing TCP plumbing; pkts decoder helper.
- tunnel-node: UdpSessionInner with bounded VecDeque queue, drop-oldest
on overflow with queue_drops counter and warn-then-throttled logs,
last_active refreshed only on real activity (uplink send or upstream
recv — empty polls do not refresh), independent TCP/UDP drain in
handle_batch Phase 2, separate active-drain (150 ms) and retry
(250 ms) windows for UDP, idle long-poll (5 s).
- Tests: SOCKS5 UDP packet parser (IPv4/IPv6/DOMAIN round-trips,
truncation rejects, fragmented rejects), UDP queue overflow drop +
counter, regression test that batch with both UDP and TCP-data ops
still runs the TCP retry pass.
Docs: README + android.{md,fa.md} updated to reflect UDP availability
in full mode; tunnel-node/README documents the new ops.
Apps Script source (mirrored)
The file Code.gs next to this README is a verbatim snapshot of the upstream script you deploy in your own Google Apps Script project:
- Upstream: https://github.com/masterking32/MasterHttpRelayVPN/blob/python_testing/apps_script/Code.gs
- Raw link: https://raw.githubusercontent.com/masterking32/MasterHttpRelayVPN/refs/heads/python_testing/apps_script/Code.gs
This copy lives in our repo for two reasons:
- Survives upstream outages: if the user is on a network where raw.githubusercontent.com is temporarily unreachable but they can clone or ZIP this repo, they still have the deploy-ready file.
- Pins what we tested against: the relay protocol between
mhrv-rsand the script is informal; upstream changes can silently break us. Keeping a snapshot here lets us diff and see if a spec drift is responsible for any reported breakage.
All credit for Code.gs goes to @masterking32 — we do not modify it. If you're using mhrv-rs, follow the upstream deploy instructions in the script's header comment. The only edit you must make is the AUTH_KEY constant — set it to a strong secret and reuse that exact string in your mhrv-rs config.