The old bypass broker used a Unix socket to receive requests and
execute commands locally. This was replaced by the 9P-based flow
where toolsrv executes commands after receiving approval from
olliesrv.
Removed:
- acceptLoop, handleConn, executeAndStream, executeWithSudo
- sendFrame, indexOf, socketDir helpers
- SocketPath and Credential config options
- Frame constants (FrameData, FrameExit)
- net.Conn field on Request
The broker now only handles:
- Policy management (global + per-session)
- Request evaluation (EvaluateRequest)
- Rate limiting
- User notification callbacks
Execution happens in toolsrv, not olliesrv.
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