ssh2.h

   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