An example of using tssh `as` a library about trzsz-ssh HOT 5 OPEN

func getPasswordAuthMethod(args *SshArgs, host, user string) ssh.AuthMethod {
	if strings.ToLower(getOptionConfig(args, "PasswordAuthentication")) == "no" {
		debug("disable auth method: password authentication")
		return nil
	}

	idx := 0
	rememberPassword := false
	return ssh.RetryableAuthMethod(ssh.PasswordCallback(func() (string, error) {
		idx++
		if idx == 1 {
			password := args.Option.get("Password")
			if password == "" {
				password = getSecretConfig(args.Destination, "Password")
			} else {
				encoded, err := encodeSecret([]byte(password))
				if err == nil {
					warning("insert next line\r\nIgnoreUnknown *\r\nto the beginning of the file [~/.ssh/config] and append after [Host %s] next line\r\n encPassword %s", args.Destination, encoded)
				}
			}
			if password != "" {
				rememberPassword = true
				debug("trying the password configuration for '%s'", args.Destination)
				return password, nil
			}
		} else if idx == 2 && rememberPassword {
			warning("the password configuration for '%s' is incorrect", args.Destination)
		}
		secret, err := readSecret(fmt.Sprintf("%s@%s's password: ", user, host))
		if err != nil {
			return "", err
		}
		return string(secret), nil
	}), 3)
}