/*
 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
 * Please refer to the LICENSE.txt for licensing details.
 */
package ch.ethz.ssh2.packets;

/**
 * Packets.
 * 
 * @author Christian Plattner
 * @version 2.50, 03/15/10
 */
public final class Packets
{
	public static final int SSH_MSG_DISCONNECT = 1;
	public static final int SSH_MSG_IGNORE = 2;
	public static final int SSH_MSG_UNIMPLEMENTED = 3;
	public static final int SSH_MSG_DEBUG = 4;
	public static final int SSH_MSG_SERVICE_REQUEST = 5;
	public static final int SSH_MSG_SERVICE_ACCEPT = 6;

	public static final int SSH_MSG_KEXINIT = 20;
	public static final int SSH_MSG_NEWKEYS = 21;

	public static final int SSH_MSG_KEXDH_INIT = 30;
	public static final int SSH_MSG_KEXDH_REPLY = 31;

	public static final int SSH_MSG_KEX_DH_GEX_REQUEST_OLD = 30;
	public static final int SSH_MSG_KEX_DH_GEX_REQUEST = 34;
	public static final int SSH_MSG_KEX_DH_GEX_GROUP = 31;
	public static final int SSH_MSG_KEX_DH_GEX_INIT = 32;
	public static final int SSH_MSG_KEX_DH_GEX_REPLY = 33;

	public static final int SSH_MSG_USERAUTH_REQUEST = 50;
	public static final int SSH_MSG_USERAUTH_FAILURE = 51;
	public static final int SSH_MSG_USERAUTH_SUCCESS = 52;
	public static final int SSH_MSG_USERAUTH_BANNER = 53;
	public static final int SSH_MSG_USERAUTH_INFO_REQUEST = 60;
	public static final int SSH_MSG_USERAUTH_INFO_RESPONSE = 61;

	public static final int SSH_MSG_GLOBAL_REQUEST = 80;
	public static final int SSH_MSG_REQUEST_SUCCESS = 81;
	public static final int SSH_MSG_REQUEST_FAILURE = 82;

	public static final int SSH_MSG_CHANNEL_OPEN = 90;
	public static final int SSH_MSG_CHANNEL_OPEN_CONFIRMATION = 91;
	public static final int SSH_MSG_CHANNEL_OPEN_FAILURE = 92;
	public static final int SSH_MSG_CHANNEL_WINDOW_ADJUST = 93;
	public static final int SSH_MSG_CHANNEL_DATA = 94;
	public static final int SSH_MSG_CHANNEL_EXTENDED_DATA = 95;
	public static final int SSH_MSG_CHANNEL_EOF = 96;
	public static final int SSH_MSG_CHANNEL_CLOSE = 97;
	public static final int SSH_MSG_CHANNEL_REQUEST = 98;
	public static final int SSH_MSG_CHANNEL_SUCCESS = 99;
	public static final int SSH_MSG_CHANNEL_FAILURE = 100;

	public static final int SSH_EXTENDED_DATA_STDERR = 1;

	public static final int SSH_OPEN_ADMINISTRATIVELY_PROHIBITED = 1;
	public static final int SSH_OPEN_CONNECT_FAILED = 2;
	public static final int SSH_OPEN_UNKNOWN_CHANNEL_TYPE = 3;
	public static final int SSH_OPEN_RESOURCE_SHORTAGE = 4;

	private static final String[] reverseNames = new String[101];

	static
	{
		reverseNames[1] = "SSH_MSG_DISCONNECT";
		reverseNames[2] = "SSH_MSG_IGNORE";
		reverseNames[3] = "SSH_MSG_UNIMPLEMENTED";
		reverseNames[4] = "SSH_MSG_DEBUG";
		reverseNames[5] = "SSH_MSG_SERVICE_REQUEST";
		reverseNames[6] = "SSH_MSG_SERVICE_ACCEPT";

		reverseNames[20] = "SSH_MSG_KEXINIT";
		reverseNames[21] = "SSH_MSG_NEWKEYS";

		reverseNames[30] = "SSH_MSG_KEXDH_INIT";
		reverseNames[31] = "SSH_MSG_KEXDH_REPLY/SSH_MSG_KEX_DH_GEX_GROUP";
		reverseNames[32] = "SSH_MSG_KEX_DH_GEX_INIT";
		reverseNames[33] = "SSH_MSG_KEX_DH_GEX_REPLY";
		reverseNames[34] = "SSH_MSG_KEX_DH_GEX_REQUEST";

		reverseNames[50] = "SSH_MSG_USERAUTH_REQUEST";
		reverseNames[51] = "SSH_MSG_USERAUTH_FAILURE";
		reverseNames[52] = "SSH_MSG_USERAUTH_SUCCESS";
		reverseNames[53] = "SSH_MSG_USERAUTH_BANNER";

		reverseNames[60] = "SSH_MSG_USERAUTH_INFO_REQUEST";
		reverseNames[61] = "SSH_MSG_USERAUTH_INFO_RESPONSE";

		reverseNames[80] = "SSH_MSG_GLOBAL_REQUEST";
		reverseNames[81] = "SSH_MSG_REQUEST_SUCCESS";
		reverseNames[82] = "SSH_MSG_REQUEST_FAILURE";

		reverseNames[90] = "SSH_MSG_CHANNEL_OPEN";
		reverseNames[91] = "SSH_MSG_CHANNEL_OPEN_CONFIRMATION";
		reverseNames[92] = "SSH_MSG_CHANNEL_OPEN_FAILURE";
		reverseNames[93] = "SSH_MSG_CHANNEL_WINDOW_ADJUST";
		reverseNames[94] = "SSH_MSG_CHANNEL_DATA";
		reverseNames[95] = "SSH_MSG_CHANNEL_EXTENDED_DATA";
		reverseNames[96] = "SSH_MSG_CHANNEL_EOF";
		reverseNames[97] = "SSH_MSG_CHANNEL_CLOSE";
		reverseNames[98] = "SSH_MSG_CHANNEL_REQUEST";
		reverseNames[99] = "SSH_MSG_CHANNEL_SUCCESS";
		reverseNames[100] = "SSH_MSG_CHANNEL_FAILURE";
	}

	public static final String getMessageName(int type)
	{
		String res = null;

		if ((type >= 0) && (type < reverseNames.length))
		{
			res = reverseNames[type];
		}

		return (res == null) ? ("UNKNOWN MSG " + type) : res;
	}

	//	public static final void debug(String tag, byte[] msg)
	//	{
	//		System.err.println(tag + " Type: " + msg[0] + ", LEN: " + msg.length);
	//
	//		for (int i = 0; i < msg.length; i++)
	//		{
	//			if (((msg[i] >= 'a') && (msg[i] <= 'z')) || ((msg[i] >= 'A') && (msg[i] <= 'Z'))
	//					|| ((msg[i] >= '0') && (msg[i] <= '9')) || (msg[i] == ' '))
	//				System.err.print((char) msg[i]);
	//			else
	//				System.err.print(".");
	//		}
	//		System.err.println();
	//		System.err.flush();
	//	}
}