1 /* $OpenBSD: ssh2.h,v 1.8 2002/03/04 17:27:39 stevesk Exp $ */
2
3 #ifndef _SSH2_H
4 #define _SSH2_H
5
6 #pragma ident "%Z%%M% %I% %E% SMI"
7
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11
12
13 /*
14 * Copyright (c) 2000 Markus Friedl. All rights reserved.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36 /*
37 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
38 * Use is subject to license terms.
39 */
40
41 /*
42 * draft-ietf-secsh-architecture-05.txt
43 *
44 * Transport layer protocol:
45 *
46 * 1-19 Transport layer generic (e.g. disconnect, ignore, debug,
47 * etc)
48 * 20-29 Algorithm negotiation
49 * 30-49 Key exchange method specific (numbers can be reused for
50 * different authentication methods)
51 *
52 * User authentication protocol:
53 *
54 * 50-59 User authentication generic
55 * 60-79 User authentication method specific (numbers can be reused
56 * for different authentication methods)
57 *
58 * Connection protocol:
59 *
60 * 80-89 Connection protocol generic
61 * 90-127 Channel related messages
62 *
63 * Reserved for client protocols:
64 *
65 * 128-191 Reserved
66 *
67 * Local extensions:
68 *
69 * 192-255 Local extensions
70 */
71
72 /* ranges */
73
74 #define SSH2_MSG_TRANSPORT_MIN 1
75 #define SSH2_MSG_TRANSPORT_MAX 49
76 #define SSH2_MSG_USERAUTH_MIN 50
77 #define SSH2_MSG_USERAUTH_MAX 79
78 #define SSH2_MSG_CONNECTION_MIN 80
79 #define SSH2_MSG_CONNECTION_MAX 127
80 #define SSH2_MSG_RESERVED_MIN 128
81 #define SSH2_MSG_RESERVED_MAX 191
82 #define SSH2_MSG_LOCAL_MIN 192
83 #define SSH2_MSG_LOCAL_MAX 255
84 #define SSH2_MSG_MIN 1
85 #define SSH2_MSG_MAX 255
86
87 /* transport layer: generic */
88
89 #define SSH2_MSG_DISCONNECT 1
90 #define SSH2_MSG_IGNORE 2
91 #define SSH2_MSG_UNIMPLEMENTED 3
92 #define SSH2_MSG_DEBUG 4
93 #define SSH2_MSG_SERVICE_REQUEST 5
94 #define SSH2_MSG_SERVICE_ACCEPT 6
95
96 /* transport layer: alg negotiation */
97
98 #define SSH2_MSG_KEXINIT 20
99 #define SSH2_MSG_NEWKEYS 21
100
101 /* transport layer: kex specific messages, can be reused */
102
103 #define SSH2_MSG_KEXDH_INIT 30
104 #define SSH2_MSG_KEXDH_REPLY 31
105
106 /* dh-group-exchange */
107 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30
108 #define SSH2_MSG_KEX_DH_GEX_GROUP 31
109 #define SSH2_MSG_KEX_DH_GEX_INIT 32
110 #define SSH2_MSG_KEX_DH_GEX_REPLY 33
111 #define SSH2_MSG_KEX_DH_GEX_REQUEST 34
112
113 /* user authentication: generic */
114
115 #define SSH2_MSG_USERAUTH_REQUEST 50
116 #define SSH2_MSG_USERAUTH_FAILURE 51
117 #define SSH2_MSG_USERAUTH_SUCCESS 52
118 #define SSH2_MSG_USERAUTH_BANNER 53
119
120 /* user authentication: method specific, can be reused */
121
122 #define SSH2_MSG_USERAUTH_PK_OK 60
123 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
124 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60
125 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
126
127 /* connection protocol: generic */
128
129 #define SSH2_MSG_GLOBAL_REQUEST 80
130 #define SSH2_MSG_REQUEST_SUCCESS 81
131 #define SSH2_MSG_REQUEST_FAILURE 82
132
133 /* channel related messages */
134
135 #define SSH2_MSG_CHANNEL_OPEN 90
136 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
137 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
138 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
139 #define SSH2_MSG_CHANNEL_DATA 94
140 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
141 #define SSH2_MSG_CHANNEL_EOF 96
142 #define SSH2_MSG_CHANNEL_CLOSE 97
143 #define SSH2_MSG_CHANNEL_REQUEST 98
144 #define SSH2_MSG_CHANNEL_SUCCESS 99
145 #define SSH2_MSG_CHANNEL_FAILURE 100
146
147 /* ALTPRIVSEP */
148 #ifdef ALTPRIVSEP
149 #define SSH2_PRIV_MSG_ALTPRIVSEP 254
150 #endif /* ALTPRIVSEP */
151
152 /* disconnect reason code */
153
154 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
155 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2
156 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
157 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
158 #define SSH2_DISCONNECT_RESERVED 4
159 #define SSH2_DISCONNECT_MAC_ERROR 5
160 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6
161 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
162 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
163 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
164 #define SSH2_DISCONNECT_CONNECTION_LOST 10
165 #define SSH2_DISCONNECT_BY_APPLICATION 11
166 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12
167 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13
168 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
169 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15
170
171 /* misc */
172
173 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
174 #define SSH2_OPEN_CONNECT_FAILED 2
175 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
176 #define SSH2_OPEN_RESOURCE_SHORTAGE 4
177
178 #define SSH2_EXTENDED_DATA_STDERR 1
179
180 #ifdef __cplusplus
181 }
182 #endif
183
184 #endif /* _SSH2_H */