I want PuTTY's proxy-aware connection API to support outbound SOCKS 4 proxies when CONF proxy type is set…

I want PuTTY's proxy-aware connection API to support outbound SOCKS 4 proxies when CONF proxy type is set…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). For an IPv4 target, new connection should connect to the configured proxy host and port and send a SOCKS 4…

The task

For an IPv4 target, `new_connection` should connect to the configured proxy host and port and send a SOCKS 4 CONNECT request: version 4, command 1, the destination port in network byte order, the four-byte IPv4 address, the configured `CONF_proxy_username` as a NUL-terminated string, and no hostname field. For…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.