Function forward_probe_host

crates/openshell-cli/src/ssh.rs:484–490

Resolve the bind address to a connectable host. Wildcard binds (`0.0.0.0`, `::`, empty) are "any-address" listeners, not valid connect targets, so they map to the matching loopback. Specific addresses are probed as-is.

(spec: &ForwardSpec)

/// `::`, empty) are "any-address" listeners, not valid connect targets, so they
/// map to the matching loopback. Specific addresses are probed as-is.
fn forward_probe_host(spec: &ForwardSpec) -> &str {
    match spec.bind_addr.as_str() {
        "" | "0.0.0.0" => "127.0.0.1",
        "::" => "::1",
        host => host,
    }
}

/// Best-effort cleanup for the SSH child this process spawned.
fn terminate_owned_forward_child(child: &mut Child) {