/*
 * 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();
    //  }
}