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1/*
2 * draft-ietf-secsh-architecture-04.txt
3 *
4 * Transport layer protocol:
5 *
6 * 1-19 Transport layer generic (e.g. disconnect, ignore, debug,
7 * etc)
8 * 20-29 Algorithm negotiation
9 * 30-49 Key exchange method specific (numbers can be reused for
10 * different authentication methods)
11 *
12 * User authentication protocol:
13 *
14 * 50-59 User authentication generic
15 * 60-79 User authentication method specific (numbers can be reused
16 * for different authentication methods)
17 *
18 * Connection protocol:
19 *
20 * 80-89 Connection protocol generic
21 * 90-127 Channel related messages
22 *
23 * Reserved for client protocols:
24 *
25 * 128-191 Reserved
26 *
27 * Local extensions:
28 *
29 * 192-255 Local extensions
30 */
31
32/* transport layer: generic */
33
34#define SSH2_MSG_DISCONNECT 1
35#define SSH2_MSG_IGNORE 2
36#define SSH2_MSG_UNIMPLEMENTED 3
37#define SSH2_MSG_DEBUG 4
38#define SSH2_MSG_SERVICE_REQUEST 5
39#define SSH2_MSG_SERVICE_ACCEPT 6
40
41/* transport layer: alg negotiation */
42
43#define SSH2_MSG_KEXINIT 20
44#define SSH2_MSG_NEWKEYS 21
45
46/* transport layer: kex specific messages, can be reused */
47
48#define SSH2_MSG_KEXDH_INIT 30
49#define SSH2_MSG_KEXDH_REPLY 31
50
51/* user authentication: generic */
52
53#define SSH2_MSG_USERAUTH_REQUEST 50
54#define SSH2_MSG_USERAUTH_FAILURE 51
55#define SSH2_MSG_USERAUTH_SUCCESS 52
56#define SSH2_MSG_USERAUTH_BANNER 53
57
58/* user authentication: method specific, can be reused */
59
60#define SSH2_MSG_USERAUTH_PK_OK 60
61#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
62#define SSH2_MSG_USERAUTH_INFO_REQUEST 60
63#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
64
65/* connection protocol: generic */
66
67#define SSH2_MSG_GLOBAL_REQUEST 80
68#define SSH2_MSG_REQUEST_SUCCESS 81
69#define SSH2_MSG_REQUEST_FAILURE 82
70
71/* channel related messages */
72
73#define SSH2_MSG_CHANNEL_OPEN 90
74#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
75#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
76#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
77#define SSH2_MSG_CHANNEL_DATA 94
78#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
79#define SSH2_MSG_CHANNEL_EOF 96
80#define SSH2_MSG_CHANNEL_CLOSE 97
81#define SSH2_MSG_CHANNEL_REQUEST 98
82#define SSH2_MSG_CHANNEL_SUCCESS 99
83#define SSH2_MSG_CHANNEL_FAILURE 100
84
85/* disconnect reason code */
86
87#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
88#define SSH2_DISCONNECT_PROTOCOL_ERROR 2
89#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
90#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
91#define SSH2_DISCONNECT_MAC_ERROR 5
92#define SSH2_DISCONNECT_COMPRESSION_ERROR 6
93#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
94#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
95#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
96#define SSH2_DISCONNECT_CONNECTION_LOST 10
97#define SSH2_DISCONNECT_BY_APPLICATION 11
98
99/* misc */
100
101#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
102#define SSH2_OPEN_CONNECT_FAILED 2
103#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
104#define SSH2_OPEN_RESOURCE_SHORTAGE 4
105
106#define SSH2_EXTENDED_DATA_STDERR 1