Grid Community Toolkit  6.2.1705709074 (tag: v6.2.20240202)
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
ssh2.h
1 /* $OpenBSD: ssh2.h,v 1.19 2020/11/19 23:05:05 dtucker Exp $ */
2 
3 /*
4  * 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 /*
28  * RFC4251:
29  *
30  * Transport layer protocol:
31  *
32  * 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)
37  *
38  * User authentication protocol:
39  *
40  * 50-59 User authentication generic
41  * 60-79 User authentication method specific (numbers can be reused
42  * for different authentication methods)
43  *
44  * Connection protocol:
45  *
46  * 80-89 Connection protocol generic
47  * 90-127 Channel related messages
48  *
49  * Reserved for client protocols:
50  *
51  * 128-191 Reserved
52  *
53  * Local extensions:
54  *
55  * 192-255 Local extensions
56  */
57 
58 /* special marker for no message */
59 
60 #define SSH_MSG_NONE 0
61 
62 /* ranges */
63 
64 #define SSH2_MSG_TRANSPORT_MIN 1
65 #define SSH2_MSG_TRANSPORT_MAX 49
66 #define SSH2_MSG_USERAUTH_MIN 50
67 #define SSH2_MSG_USERAUTH_MAX 79
68 #define SSH2_MSG_USERAUTH_PER_METHOD_MIN 60
69 #define SSH2_MSG_USERAUTH_PER_METHOD_MAX SSH2_MSG_USERAUTH_MAX
70 #define SSH2_MSG_CONNECTION_MIN 80
71 #define SSH2_MSG_CONNECTION_MAX 127
72 #define SSH2_MSG_RESERVED_MIN 128
73 #define SSH2_MSG_RESERVED_MAX 191
74 #define SSH2_MSG_LOCAL_MIN 192
75 #define SSH2_MSG_LOCAL_MAX 255
76 #define SSH2_MSG_MIN 1
77 #define SSH2_MSG_MAX 255
78 
79 /* transport layer: generic */
80 
81 #define SSH2_MSG_DISCONNECT 1
82 #define SSH2_MSG_IGNORE 2
83 #define SSH2_MSG_UNIMPLEMENTED 3
84 #define SSH2_MSG_DEBUG 4
85 #define SSH2_MSG_SERVICE_REQUEST 5
86 #define SSH2_MSG_SERVICE_ACCEPT 6
87 #define SSH2_MSG_EXT_INFO 7
88 
89 /* transport layer: alg negotiation */
90 
91 #define SSH2_MSG_KEXINIT 20
92 #define SSH2_MSG_NEWKEYS 21
93 
94 /* transport layer: kex specific messages, can be reused */
95 
96 #define SSH2_MSG_KEXDH_INIT 30
97 #define SSH2_MSG_KEXDH_REPLY 31
98 
99 /* dh-group-exchange */
100 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30
101 #define SSH2_MSG_KEX_DH_GEX_GROUP 31
102 #define SSH2_MSG_KEX_DH_GEX_INIT 32
103 #define SSH2_MSG_KEX_DH_GEX_REPLY 33
104 #define SSH2_MSG_KEX_DH_GEX_REQUEST 34
105 
106 /* ecdh */
107 #define SSH2_MSG_KEX_ECDH_INIT 30
108 #define SSH2_MSG_KEX_ECDH_REPLY 31
109 
110 /* user authentication: generic */
111 
112 #define SSH2_MSG_USERAUTH_REQUEST 50
113 #define SSH2_MSG_USERAUTH_FAILURE 51
114 #define SSH2_MSG_USERAUTH_SUCCESS 52
115 #define SSH2_MSG_USERAUTH_BANNER 53
116 
117 /* user authentication: method specific, can be reused */
118 
119 #define SSH2_MSG_USERAUTH_PK_OK 60
120 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
121 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60
122 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
123 
124 /* connection protocol: generic */
125 
126 #define SSH2_MSG_GLOBAL_REQUEST 80
127 #define SSH2_MSG_REQUEST_SUCCESS 81
128 #define SSH2_MSG_REQUEST_FAILURE 82
129 
130 /* channel related messages */
131 
132 #define SSH2_MSG_CHANNEL_OPEN 90
133 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
134 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
135 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
136 #define SSH2_MSG_CHANNEL_DATA 94
137 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
138 #define SSH2_MSG_CHANNEL_EOF 96
139 #define SSH2_MSG_CHANNEL_CLOSE 97
140 #define SSH2_MSG_CHANNEL_REQUEST 98
141 #define SSH2_MSG_CHANNEL_SUCCESS 99
142 #define SSH2_MSG_CHANNEL_FAILURE 100
143 
144 /* disconnect reason code */
145 
146 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
147 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2
148 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
149 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
150 #define SSH2_DISCONNECT_RESERVED 4
151 #define SSH2_DISCONNECT_MAC_ERROR 5
152 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6
153 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
154 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
155 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
156 #define SSH2_DISCONNECT_CONNECTION_LOST 10
157 #define SSH2_DISCONNECT_BY_APPLICATION 11
158 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12
159 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13
160 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
161 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15
162 
163 /* misc */
164 
165 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
166 #define SSH2_OPEN_CONNECT_FAILED 2
167 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
168 #define SSH2_OPEN_RESOURCE_SHORTAGE 4
169 
170 #define SSH2_EXTENDED_DATA_STDERR 1
171 
172 /* Certificate types for OpenSSH certificate keys extension */
173 #define SSH2_CERT_TYPE_USER 1
174 #define SSH2_CERT_TYPE_HOST 2