/* $Id: ssh_v2_messages.h,v 1.4 2001/02/11 03:35:20 tls Exp $ */

/*
 * Copyright (c) 2000 Eric Haszlakiewicz.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _SSH_V2_MESSAGES_H
#define _SSH_V2_MESSAGES_H


#define SSH_V2_ALGORITHM_MIN      20
#define SSH_V2_MSG_MAX_TRANSPORT  49
#define SSH_V2_MAX_MAX_USERAUTH   79
#define SSH_V2_MAX_MAX_CONNECT    127

/*
 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 * Transport layer messages
 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 */

/* Generic requests */
#define SSH_V2_MSG_DISCONNECT             1
#define SSH_V2_MSG_IGNORE                 2
#define SSH_V2_MSG_UNIMPLEMENTED          3
#define SSH_V2_MSG_DEBUG                  4
#define SSH_V2_MSG_SERVICE_REQUEST        5
#define SSH_V2_MSG_SERVICE_ACCEPT         6

/* Algorithm negotiation */
#define SSH_V2_MSG_KEXINIT                20
#define SSH_V2_MSG_NEWKEYS                21

/* kex key exchange */
#define SSH_V2_MSG_KEXDH_INIT             30
#define SSH_V2_MSG_KEXDH_REPLY            31

/* diffie hellman exchange */
#define SSH_V2_MSG_KEX_DH_GEX_REQUEST      30
#define SSH_V2_MSG_KEX_DH_GEX_GROUP        31
#define SSH_V2_MSG_KEX_DH_GEX_INIT         32
#define SSH_V2_MSG_KEX_DH_GEX_REPLY        33

/* reasons for disconnect */
#define SSH_V2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT      1
#define SSH_V2_DISCONNECT_PROTOCOL_ERROR                   2
#define SSH_V2_DISCONNECT_KEY_EXCHANGE_FAILED              3
#define SSH_V2_DISCONNECT_RESERVED                         4
#define SSH_V2_DISCONNECT_MAC_ERROR                        5
#define SSH_V2_DISCONNECT_COMPRESSION_ERROR                6
#define SSH_V2_DISCONNECT_SERVICE_NOT_AVAILABLE            7
#define SSH_V2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED   8
#define SSH_V2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE          9
#define SSH_V2_DISCONNECT_CONNECTION_LOST                 10
#define SSH_V2_DISCONNECT_BY_APPLICATION                  11
#define SSH_V2_DISCONNECT_TOO_MANY_CONNECTIONS            12
#define SSH_V2_DISCONNECT_AUTH_CANCELLED_BY_USER          13
#define SSH_V2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE  14
#define SSH_V2_DISCONNECT_ILLEGAL_USER_NAME               15

/*
 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 * userauth layer messages
 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 */
#define SSH_V2_MSG_USERAUTH_REQUEST            50
#define SSH_V2_MSG_USERAUTH_FAILURE            51
#define SSH_V2_MSG_USERAUTH_SUCCESS            52
#define SSH_V2_MSG_USERAUTH_BANNER             53

/* Key-based */
#define SSH_V2_MSG_USERAUTH_PK_OK              60

/* Password based */
#define SSH_V2_MSG_USERAUTH_PASSWD_CHANGEREQ   60

/*
 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 * connect layer messages
 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 */
#define SSH_V2_MSG_GLOBAL_REQUEST                  80
#define SSH_V2_MSG_REQUEST_SUCCESS                 81
#define SSH_V2_MSG_REQUEST_FAILURE                 82
#define SSH_V2_MSG_CHANNEL_OPEN                    90
#define SSH_V2_MSG_CHANNEL_OPEN_CONFIRMATION       91
#define SSH_V2_MSG_CHANNEL_OPEN_FAILURE            92
#define SSH_V2_MSG_CHANNEL_WINDOW_ADJUST           93
#define SSH_V2_MSG_CHANNEL_DATA                    94
#define SSH_V2_MSG_CHANNEL_EXTENDED_DATA           95
#define SSH_V2_MSG_CHANNEL_EOF                     96
#define SSH_V2_MSG_CHANNEL_CLOSE                   97
#define SSH_V2_MSG_CHANNEL_REQUEST                 98
#define SSH_V2_MSG_CHANNEL_SUCCESS                 99
#define SSH_V2_MSG_CHANNEL_FAILURE                 100

/* Reasons for CHANNEL_OPEN_FAILURE */
#define SSH_V2_OPEN_ADMINISTRATIVELY_PROHIBITED    1
#define SSH_V2_OPEN_CONNECT_FAILED                 2
#define SSH_V2_OPEN_UNKNOWN_CHANNEL_TYPE           3
#define SSH_V2_OPEN_RESOURCE_SHORTAGE              4

/* Types of data for CHANNEL_EXTENDED_DATA */
#define SSH_V2_EXTENDED_DATA_STDERR                1

#endif /* _SSH_V2_MESSAGES_H */