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//
// Socks5Handshake.swift
// MullvadTransport
//
// Created by pronebird on 19/10/2023.
//
import Foundation
/// Handshake initiation message.
struct Socks5Handshake {
/// Authentication methods supported by the client.
/// Defaults to `.notRequired` when empty.
var methods: [Socks5AuthenticationMethod] = []
/// The byte representation in socks protocol.
var rawData: Data {
var data = Data()
var methods = methods
// Make sure to provide at least one supported authentication method.
if methods.isEmpty {
methods.append(.notRequired)
}
// Append socks version
data.append(Socks5Constants.socksVersion)
// Append number of supported authentication methods supported.
data.append(UInt8(methods.count))
// Append authentication methods
data.append(contentsOf: methods.map { $0.rawValue })
return data
}
}
/// Handshake reply message.
struct Socks5HandshakeReply {
/// The authentication method accepted by the socks proxys.
var method: Socks5AuthenticationMethod
}
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