func unifyPortPassword(config *ss.Config) (err error) {
if len(config.PortPassword) == 0 { // this handles both nil PortPassword and empty one
if !enoughOptions(config) {
fmt.Fprintln(os.Stderr, "must specify both port and password")
return errors.New("not enough options")
}
port := strconv.Itoa(config.ServerPort)
config.PortPassword = map[string]string{port: config.Password}
} else {
if config.Password != "" || config.ServerPort != 0 {
fmt.Fprintln(os.Stderr, "given port_password, ignore server_port and password option")
}
}
return
}
