2 * Copyright (c) 2000 Markus Friedl. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * draft-ietf-secsh-architecture-05.txt
28 * Transport layer protocol:
30 * 1-19 Transport layer generic (e.g. disconnect, ignore, debug,
32 * 20-29 Algorithm negotiation
33 * 30-49 Key exchange method specific (numbers can be reused for
34 * different authentication methods)
36 * User authentication protocol:
38 * 50-59 User authentication generic
39 * 60-79 User authentication method specific (numbers can be reused
40 * for different authentication methods)
42 * Connection protocol:
44 * 80-89 Connection protocol generic
45 * 90-127 Channel related messages
47 * Reserved for client protocols:
53 * 192-255 Local extensions
55 /* RCSID("$OpenBSD: ssh2.h,v 1.6 2001/03/27 17:46:49 provos Exp $"); */
57 /* transport layer: generic */
59 #define SSH2_MSG_DISCONNECT 1
60 #define SSH2_MSG_IGNORE 2
61 #define SSH2_MSG_UNIMPLEMENTED 3
62 #define SSH2_MSG_DEBUG 4
63 #define SSH2_MSG_SERVICE_REQUEST 5
64 #define SSH2_MSG_SERVICE_ACCEPT 6
66 /* transport layer: alg negotiation */
68 #define SSH2_MSG_KEXINIT 20
69 #define SSH2_MSG_NEWKEYS 21
71 /* transport layer: kex specific messages, can be reused */
73 #define SSH2_MSG_KEXDH_INIT 30
74 #define SSH2_MSG_KEXDH_REPLY 31
76 /* dh-group-exchange */
77 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30
78 #define SSH2_MSG_KEX_DH_GEX_GROUP 31
79 #define SSH2_MSG_KEX_DH_GEX_INIT 32
80 #define SSH2_MSG_KEX_DH_GEX_REPLY 33
81 #define SSH2_MSG_KEX_DH_GEX_REQUEST 34
83 /* user authentication: generic */
85 #define SSH2_MSG_USERAUTH_REQUEST 50
86 #define SSH2_MSG_USERAUTH_FAILURE 51
87 #define SSH2_MSG_USERAUTH_SUCCESS 52
88 #define SSH2_MSG_USERAUTH_BANNER 53
90 /* user authentication: method specific, can be reused */
92 #define SSH2_MSG_USERAUTH_PK_OK 60
93 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
94 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60
95 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
97 /* connection protocol: generic */
99 #define SSH2_MSG_GLOBAL_REQUEST 80
100 #define SSH2_MSG_REQUEST_SUCCESS 81
101 #define SSH2_MSG_REQUEST_FAILURE 82
103 /* channel related messages */
105 #define SSH2_MSG_CHANNEL_OPEN 90
106 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
107 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
108 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
109 #define SSH2_MSG_CHANNEL_DATA 94
110 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
111 #define SSH2_MSG_CHANNEL_EOF 96
112 #define SSH2_MSG_CHANNEL_CLOSE 97
113 #define SSH2_MSG_CHANNEL_REQUEST 98
114 #define SSH2_MSG_CHANNEL_SUCCESS 99
115 #define SSH2_MSG_CHANNEL_FAILURE 100
117 /* disconnect reason code */
119 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
120 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2
121 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
122 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
123 #define SSH2_DISCONNECT_RESERVED 4
124 #define SSH2_DISCONNECT_MAC_ERROR 5
125 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6
126 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
127 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
128 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
129 #define SSH2_DISCONNECT_CONNECTION_LOST 10
130 #define SSH2_DISCONNECT_BY_APPLICATION 11
131 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12
132 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13
133 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
134 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15
138 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
139 #define SSH2_OPEN_CONNECT_FAILED 2
140 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
141 #define SSH2_OPEN_RESOURCE_SHORTAGE 4
143 #define SSH2_EXTENDED_DATA_STDERR 1