socks5-client 0.4.2

// Set of libraries for privacy-preserving networking apps
//
// SPDX-License-Identifier: Apache-2.0
//
// Designed and written in 2019-2026 by Dr. Maxim Orlovsky <orlovsky@cyphernet.io>
//
// Copyright 2022-2026 Cyphernet Labs, Institute for Distributed and Cognitive Computing.
// All rights reserved.
//
// Copyright (C) 2021-2025 Dr Maxim Orlovsky.
// All rights under the above copyrights are reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under
// the License.

/// Authentication methods
#[derive(Debug)]
enum Authentication<'a> {
    Password {
        username: &'a str,
        password: &'a str,
    },
    None,
}

impl<'a> Authentication<'a> {
    fn id(&self) -> u8 {
        match *self {
            Authentication::Password { .. } => 2,
            Authentication::None => 0,
        }
    }

    fn is_no_auth(&self) -> bool {
        if let Authentication::None = *self {
            true
        } else {
            false
        }
    }
}