blob: 59417e6121d1cb905536a62e2891207fc1e1ed95 [file] [log] [blame]
Damien Miller7cc194f2014-02-04 11:12:56 +11001/* $OpenBSD: ssh2.h,v 1.15 2014/01/29 06:18:35 djm Exp $ */
Ben Lindstrom05764b92002-03-05 01:53:02 +00002
Damien Millerb38eff82000-04-01 11:09:21 +10003/*
Damien Millere4340be2000-09-16 13:29:08 +11004 * Copyright (c) 2000 Markus Friedl. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27/*
Damien Millerdcb6ecd2000-05-17 22:34:22 +100028 * draft-ietf-secsh-architecture-05.txt
Damien Millerb38eff82000-04-01 11:09:21 +100029 *
30 * Transport layer protocol:
Damien Miller4af51302000-04-16 11:18:38 +100031 *
Damien Millerb38eff82000-04-01 11:09:21 +100032 * 1-19 Transport layer generic (e.g. disconnect, ignore, debug,
33 * etc)
34 * 20-29 Algorithm negotiation
35 * 30-49 Key exchange method specific (numbers can be reused for
36 * different authentication methods)
Damien Miller4af51302000-04-16 11:18:38 +100037 *
Damien Millerb38eff82000-04-01 11:09:21 +100038 * User authentication protocol:
Damien Miller4af51302000-04-16 11:18:38 +100039 *
Damien Millerb38eff82000-04-01 11:09:21 +100040 * 50-59 User authentication generic
41 * 60-79 User authentication method specific (numbers can be reused
42 * for different authentication methods)
Damien Miller4af51302000-04-16 11:18:38 +100043 *
Damien Millerb38eff82000-04-01 11:09:21 +100044 * Connection protocol:
Damien Miller4af51302000-04-16 11:18:38 +100045 *
Damien Millerb38eff82000-04-01 11:09:21 +100046 * 80-89 Connection protocol generic
47 * 90-127 Channel related messages
Damien Miller4af51302000-04-16 11:18:38 +100048 *
Damien Millerb38eff82000-04-01 11:09:21 +100049 * Reserved for client protocols:
Damien Miller4af51302000-04-16 11:18:38 +100050 *
Damien Millerb38eff82000-04-01 11:09:21 +100051 * 128-191 Reserved
Damien Miller4af51302000-04-16 11:18:38 +100052 *
Damien Millerb38eff82000-04-01 11:09:21 +100053 * Local extensions:
Damien Miller4af51302000-04-16 11:18:38 +100054 *
Damien Millerb38eff82000-04-01 11:09:21 +100055 * 192-255 Local extensions
56 */
Damien Miller84b8ab32002-01-22 23:23:41 +110057
58/* ranges */
59
60#define SSH2_MSG_TRANSPORT_MIN 1
61#define SSH2_MSG_TRANSPORT_MAX 49
62#define SSH2_MSG_USERAUTH_MIN 50
63#define SSH2_MSG_USERAUTH_MAX 79
Damien Millerf84cc632003-05-14 13:46:53 +100064#define SSH2_MSG_USERAUTH_PER_METHOD_MIN 60
65#define SSH2_MSG_USERAUTH_PER_METHOD_MAX SSH2_MSG_USERAUTH_MAX
Damien Miller84b8ab32002-01-22 23:23:41 +110066#define SSH2_MSG_CONNECTION_MIN 80
67#define SSH2_MSG_CONNECTION_MAX 127
68#define SSH2_MSG_RESERVED_MIN 128
69#define SSH2_MSG_RESERVED_MAX 191
70#define SSH2_MSG_LOCAL_MIN 192
71#define SSH2_MSG_LOCAL_MAX 255
72#define SSH2_MSG_MIN 1
73#define SSH2_MSG_MAX 255
Damien Millerb38eff82000-04-01 11:09:21 +100074
75/* transport layer: generic */
76
77#define SSH2_MSG_DISCONNECT 1
78#define SSH2_MSG_IGNORE 2
79#define SSH2_MSG_UNIMPLEMENTED 3
80#define SSH2_MSG_DEBUG 4
81#define SSH2_MSG_SERVICE_REQUEST 5
82#define SSH2_MSG_SERVICE_ACCEPT 6
83
84/* transport layer: alg negotiation */
85
86#define SSH2_MSG_KEXINIT 20
87#define SSH2_MSG_NEWKEYS 21
88
89/* transport layer: kex specific messages, can be reused */
90
91#define SSH2_MSG_KEXDH_INIT 30
92#define SSH2_MSG_KEXDH_REPLY 31
93
Damien Miller874d77b2000-10-14 16:23:11 +110094/* dh-group-exchange */
Ben Lindstromdf221392001-03-29 00:36:16 +000095#define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30
Damien Miller874d77b2000-10-14 16:23:11 +110096#define SSH2_MSG_KEX_DH_GEX_GROUP 31
97#define SSH2_MSG_KEX_DH_GEX_INIT 32
98#define SSH2_MSG_KEX_DH_GEX_REPLY 33
Ben Lindstromdf221392001-03-29 00:36:16 +000099#define SSH2_MSG_KEX_DH_GEX_REQUEST 34
Damien Miller874d77b2000-10-14 16:23:11 +1100100
Damien Millereb8b60e2010-08-31 22:41:14 +1000101/* ecdh */
102#define SSH2_MSG_KEX_ECDH_INIT 30
103#define SSH2_MSG_KEX_ECDH_REPLY 31
104
Damien Millerb38eff82000-04-01 11:09:21 +1000105/* user authentication: generic */
106
107#define SSH2_MSG_USERAUTH_REQUEST 50
108#define SSH2_MSG_USERAUTH_FAILURE 51
109#define SSH2_MSG_USERAUTH_SUCCESS 52
110#define SSH2_MSG_USERAUTH_BANNER 53
111
112/* user authentication: method specific, can be reused */
113
114#define SSH2_MSG_USERAUTH_PK_OK 60
115#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
116#define SSH2_MSG_USERAUTH_INFO_REQUEST 60
117#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
118
119/* connection protocol: generic */
120
121#define SSH2_MSG_GLOBAL_REQUEST 80
122#define SSH2_MSG_REQUEST_SUCCESS 81
123#define SSH2_MSG_REQUEST_FAILURE 82
124
125/* channel related messages */
126
127#define SSH2_MSG_CHANNEL_OPEN 90
128#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
129#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
130#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
131#define SSH2_MSG_CHANNEL_DATA 94
132#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
133#define SSH2_MSG_CHANNEL_EOF 96
134#define SSH2_MSG_CHANNEL_CLOSE 97
135#define SSH2_MSG_CHANNEL_REQUEST 98
136#define SSH2_MSG_CHANNEL_SUCCESS 99
137#define SSH2_MSG_CHANNEL_FAILURE 100
138
139/* disconnect reason code */
140
141#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
142#define SSH2_DISCONNECT_PROTOCOL_ERROR 2
143#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
144#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
Damien Millerdcb6ecd2000-05-17 22:34:22 +1000145#define SSH2_DISCONNECT_RESERVED 4
Damien Millerb38eff82000-04-01 11:09:21 +1000146#define SSH2_DISCONNECT_MAC_ERROR 5
147#define SSH2_DISCONNECT_COMPRESSION_ERROR 6
148#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
149#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
150#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
151#define SSH2_DISCONNECT_CONNECTION_LOST 10
152#define SSH2_DISCONNECT_BY_APPLICATION 11
Damien Millerdcb6ecd2000-05-17 22:34:22 +1000153#define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12
154#define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13
155#define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
156#define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15
Damien Millerb38eff82000-04-01 11:09:21 +1000157
158/* misc */
159
160#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
161#define SSH2_OPEN_CONNECT_FAILED 2
162#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
163#define SSH2_OPEN_RESOURCE_SHORTAGE 4
164
165#define SSH2_EXTENDED_DATA_STDERR 1
Damien Miller01ed2272008-11-05 16:20:46 +1100166
Darren Tuckerf9e6eb82010-01-08 16:52:32 +1100167/* kex messages for resume@appgate.com */
168#define SSH2_MSG_KEX_ROAMING_RESUME 30
169#define SSH2_MSG_KEX_ROAMING_AUTH_REQUIRED 31
170#define SSH2_MSG_KEX_ROAMING_AUTH 32
171#define SSH2_MSG_KEX_ROAMING_AUTH_OK 33
172#define SSH2_MSG_KEX_ROAMING_AUTH_FAIL 34
173
Damien Miller0a80ca12010-02-27 07:55:05 +1100174/* Certificate types for OpenSSH certificate keys extension */
175#define SSH2_CERT_TYPE_USER 1
176#define SSH2_CERT_TYPE_HOST 2