ssh2util.cs

Granados是一个基于.NET的SSH客户端库。同时支持SSH1和SSH2。实现了AES, Blowfish, TripleDES, RSA, DSA等加密验证算法。实现TCP协议连接。

/* ---------------------------------------------------------------------------
 *
 * Copyright (c) Routrek Networks, Inc.    All Rights Reserved..
 * 
 * This file is a part of the Granados SSH Client Library that is subject to
 * the license included in the distributed package.
 * You may not use this file except in compliance with the license.
 * 
 * ---------------------------------------------------------------------------
 */
using System;
using Routrek.SSHC;
using Routrek.PKI;

namespace Routrek.SSHCV2
{
	public enum PacketType {
		SSH_MSG_DISCONNECT          =   1,
		SSH_MSG_IGNORE              =   2,
		SSH_MSG_UNIMPLEMENTED       =   3,
		SSH_MSG_DEBUG               =   4,
		SSH_MSG_SERVICE_REQUEST     =   5,
		SSH_MSG_SERVICE_ACCEPT      =   6,

		SSH_MSG_KEXINIT             =   20,
		SSH_MSG_NEWKEYS             =   21,

		SSH_MSG_KEXDH_INIT          =   30,
		SSH_MSG_KEXDH_REPLY         =   31,

		SSH_MSG_USERAUTH_REQUEST    =   50,
		SSH_MSG_USERAUTH_FAILURE    =   51,
		SSH_MSG_USERAUTH_SUCCESS    =   52,
		SSH_MSG_USERAUTH_BANNER     =   53,

		SSH_MSG_USERAUTH_INFO_REQUEST   = 60,
		SSH_MSG_USERAUTH_INFO_RESPONSE  = 61,

		SSH_MSG_GLOBAL_REQUEST =                 80,
		SSH_MSG_REQUEST_SUCCESS =                81,
		SSH_MSG_REQUEST_FAILURE =                82,

		SSH_MSG_CHANNEL_OPEN              =      90,
		SSH_MSG_CHANNEL_OPEN_CONFIRMATION =      91,
		SSH_MSG_CHANNEL_OPEN_FAILURE      =      92,
		SSH_MSG_CHANNEL_WINDOW_ADJUST     =      93,
		SSH_MSG_CHANNEL_DATA              =      94,
		SSH_MSG_CHANNEL_EXTENDED_DATA     =      95,
		SSH_MSG_CHANNEL_EOF               =      96,
		SSH_MSG_CHANNEL_CLOSE             =      97,
		SSH_MSG_CHANNEL_REQUEST           =      98,
		SSH_MSG_CHANNEL_SUCCESS           =      99,
		SSH_MSG_CHANNEL_FAILURE           =      100

	}

	public enum DisconnectReason {
		SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT =     1,
		SSH_DISCONNECT_PROTOCOL_ERROR              =     2,
		SSH_DISCONNECT_KEY_EXCHANGE_FAILED         =     3,
		SSH_DISCONNECT_RESERVED                    =     4,
		SSH_DISCONNECT_MAC_ERROR                   =     5,
		SSH_DISCONNECT_COMPRESSION_ERROR           =     6,
		SSH_DISCONNECT_SERVICE_NOT_AVAILABLE       =     7,
		SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED=   8,
		SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE     =     9,
		SSH_DISCONNECT_CONNECTION_LOST             =    10,
		SSH_DISCONNECT_BY_APPLICATION              =    11,
		SSH_DISCONNECT_TOO_MANY_CONNECTIONS        =    12,
		SSH_DISCONNECT_AUTH_CANCELLED_BY_USER      =    13,
		SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE=  14,
		SSH_DISCONNECT_ILLEGAL_USER_NAME           =    15
	}

	public enum ChannelOpenFailureReason {
		SSH_OPEN_ADMINISTRATIVELY_PROHIBITED =   1,
		SSH_OPEN_CONNECT_FAILED              =   2,
		SSH_OPEN_UNKNOWN_CHANNEL_TYPE        =   3,
		SSH_OPEN_RESOURCE_SHORTAGE           =   4
	}

	internal class SSH2Util : SSHUtil {
		public static string PublicKeyAlgorithmName(PublicKeyAlgorithm algorithm) {
			switch(algorithm) {
				case PublicKeyAlgorithm.DSA:
					return "ssh-dss";
				case PublicKeyAlgorithm.RSA:
					return "ssh-rsa";
				default:
					throw new SSHException("unknown HostKeyAlgorithm " + algorithm);
			}
		}
	}
}