internal/

Package envexpand expands environment variable references in configuration values.

Package httpproxy opens TCP tunnels through an HTTP proxy using CONNECT.

Package registration derives a session's ID from its host key and proves, over one connection, that a host holds that key.

Package termsize is a terminal geometry shared by the CLI and the host.

Package tty answers two questions about a file that may be a terminal: whether this process may touch it, and how big it is.

Package version provides version management and compatibility checking for upterm/uptermd.