1f3eced228
- stable gets the beta panel and server features (new design, presets, firewall, monthly traffic, router failover over all ports/addresses + TCP, altip, HR tab, Windows tab, update banner); ios/ macos/ windows/ sources stay out of stable - menu item "Update to N" under Settings when a new version is out - mobile: top menu no longer stretches to 200px - urllib User-Agent: Cloudflare in front of git.bobyrev.com returns 403 to Python-urllib - docs: GitHub adleibzon-rgb as source, password/uninstall/devices sections, new screenshots, PORTS.md TCP fallback and second IP Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""IPv6 -> local IPv4 UDP relay for the obfuscator (it speaks IPv4 only).
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Usage: phobos-v6relay.py LISTEN_PORT [TARGET_PORT] [TARGET_HOST]
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One upstream socket per IPv6 client, so the obfuscator sees a stable
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client address for the whole session. Idle clients are dropped after 300 s.
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"""
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import selectors
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import socket
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import sys
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import time
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IDLE = 300
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listen_port = int(sys.argv[1])
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target = (sys.argv[3] if len(sys.argv) > 3 else "127.0.0.1",
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int(sys.argv[2]) if len(sys.argv) > 2 else listen_port)
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down = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
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down.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
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down.bind(("::", listen_port))
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sel = selectors.DefaultSelector()
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sel.register(down, selectors.EVENT_READ, None)
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clients = {} # v6 addr -> [upstream socket, last seen]
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while True:
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for key, _ in sel.select(timeout=30):
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if key.data is None:
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data, addr = down.recvfrom(65535)
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c = clients.get(addr)
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if c is None:
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up = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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up.connect(target)
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sel.register(up, selectors.EVENT_READ, addr)
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c = clients[addr] = [up, 0]
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c[1] = time.monotonic()
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try:
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c[0].send(data)
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except OSError:
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pass
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else:
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addr = key.data
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try:
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down.sendto(key.fileobj.recv(65535), addr)
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clients[addr][1] = time.monotonic()
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except OSError:
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pass
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now = time.monotonic()
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for addr, (up, seen) in list(clients.items()):
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if now - seen > IDLE:
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sel.unregister(up)
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up.close()
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del clients[addr]
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