Annotation of src/usr.bin/ssh/ssh2.h, Revision 1.19
1.19 ! dtucker 1: /* $OpenBSD: ssh2.h,v 1.18 2016/05/04 14:22:33 markus Exp $ */
1.8 stevesk 2:
1.1 markus 3: /*
1.4 deraadt 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: /*
1.19 ! dtucker 28: * RFC4251:
1.1 markus 29: *
30: * Transport layer protocol:
1.2 markus 31: *
1.1 markus 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)
1.2 markus 37: *
1.1 markus 38: * User authentication protocol:
1.2 markus 39: *
1.1 markus 40: * 50-59 User authentication generic
41: * 60-79 User authentication method specific (numbers can be reused
42: * for different authentication methods)
1.2 markus 43: *
1.1 markus 44: * Connection protocol:
1.2 markus 45: *
1.1 markus 46: * 80-89 Connection protocol generic
47: * 90-127 Channel related messages
1.2 markus 48: *
1.1 markus 49: * Reserved for client protocols:
1.2 markus 50: *
1.1 markus 51: * 128-191 Reserved
1.2 markus 52: *
1.1 markus 53: * Local extensions:
1.2 markus 54: *
1.1 markus 55: * 192-255 Local extensions
56: */
1.18 markus 57:
58: /* special marker for no message */
59:
60: #define SSH_MSG_NONE 0
1.7 markus 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
1.9 markus 68: #define SSH2_MSG_USERAUTH_PER_METHOD_MIN 60
69: #define SSH2_MSG_USERAUTH_PER_METHOD_MAX SSH2_MSG_USERAUTH_MAX
1.7 markus 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
1.1 markus 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
1.16 markus 87: #define SSH2_MSG_EXT_INFO 7
1.1 markus 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
1.5 provos 98:
99: /* dh-group-exchange */
1.6 provos 100: #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30
1.5 provos 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
1.6 provos 104: #define SSH2_MSG_KEX_DH_GEX_REQUEST 34
1.14 djm 105:
106: /* ecdh */
107: #define SSH2_MSG_KEX_ECDH_INIT 30
108: #define SSH2_MSG_KEX_ECDH_REPLY 31
1.1 markus 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
1.3 markus 150: #define SSH2_DISCONNECT_RESERVED 4
1.1 markus 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
1.3 markus 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
1.1 markus 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
1.11 djm 171:
1.13 djm 172: /* Certificate types for OpenSSH certificate keys extension */
173: #define SSH2_CERT_TYPE_USER 1
174: #define SSH2_CERT_TYPE_HOST 2
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