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fix: block direct NICK from clients, require bouncer command

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Clients sending /nick are intercepted with a NOTICE pointing them
to /msg *bouncer NICK <network> <nick> instead. Prevents unmanaged
nick changes that bypass the bouncer's identity tracking.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
user
2026-02-21 00:45:45 +01:00
parent 3d9aa33ec4
commit ee2175f565
1 changed files with 9 additions and 0 deletions
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9
src/bouncer/client.py
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@@ -112,6 +112,15 @@ class Client:
if msg.command == "QUIT": if msg.command == "QUIT":
return return
# Block direct NICK -- must go through /msg *bouncer NICK <network> <nick>
if msg.command == "NICK":
self._send_msg(IRCMessage(
command="NOTICE",
params=[self._nick, "Use /msg *bouncer NICK <network> <nick>"],
prefix="*bouncer!bouncer@bouncer",
))
return
# Intercept bouncer control commands # Intercept bouncer control commands
if msg.command == "PRIVMSG" and len(msg.params) >= 2: if msg.command == "PRIVMSG" and len(msg.params) >= 2:
target = msg.params[0].lower() target = msg.params[0].lower()