func Hop(through *ssh.Client, toaddr string, c *ssh.ClientConfig) (*ssh.Client, error) {
hopconn, err := through.Dial("tcp", toaddr)
if err != nil {
return nil, err
}
conn, chans, reqs, err := ssh.NewClientConn(hopconn, toaddr, c)
if err != nil {
return nil, err
}
return ssh.NewClient(conn, chans, reqs), nil
}
