crypto/external/bsd/openssh/dist/ssh2.h

   1 /*      $NetBSD$        */
   2 /* $OpenBSD: ssh2.h,v 1.11 2008/11/04 08:22:13 djm Exp $ */
   3
   4 /*
   5  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * draft-ietf-secsh-architecture-05.txt
  30  *
  31  *   Transport layer protocol:
  32  *
  33  *     1-19     Transport layer generic (e.g. disconnect, ignore, debug,
  34  *              etc)
  35  *     20-29    Algorithm negotiation
  36  *     30-49    Key exchange method specific (numbers can be reused for
  37  *              different authentication methods)
  38  *
  39  *   User authentication protocol:
  40  *
  41  *     50-59    User authentication generic
  42  *     60-79    User authentication method specific (numbers can be reused
  43  *              for different authentication methods)
  44  *
  45  *   Connection protocol:
  46  *
  47  *     80-89    Connection protocol generic
  48  *     90-127   Channel related messages
  49  *
  50  *   Reserved for client protocols:
  51  *
  52  *     128-191  Reserved
  53  *
  54  *   Local extensions:
  55  *
  56  *     192-255  Local extensions
  57  */
  58
  59 /* ranges */
  60
  61 #define SSH2_MSG_TRANSPORT_MIN                          1
  62 #define SSH2_MSG_TRANSPORT_MAX                          49
  63 #define SSH2_MSG_USERAUTH_MIN                           50
  64 #define SSH2_MSG_USERAUTH_MAX                           79
  65 #define SSH2_MSG_USERAUTH_PER_METHOD_MIN                60
  66 #define SSH2_MSG_USERAUTH_PER_METHOD_MAX                SSH2_MSG_USERAUTH_MAX
  67 #define SSH2_MSG_CONNECTION_MIN                         80
  68 #define SSH2_MSG_CONNECTION_MAX                         127
  69 #define SSH2_MSG_RESERVED_MIN                           128
  70 #define SSH2_MSG_RESERVED_MAX                           191
  71 #define SSH2_MSG_LOCAL_MIN                              192
  72 #define SSH2_MSG_LOCAL_MAX                              255
  73 #define SSH2_MSG_MIN                                    1
  74 #define SSH2_MSG_MAX                                    255
  75
  76 /* transport layer: generic */
  77
  78 #define SSH2_MSG_DISCONNECT                             1
  79 #define SSH2_MSG_IGNORE                                 2
  80 #define SSH2_MSG_UNIMPLEMENTED                          3
  81 #define SSH2_MSG_DEBUG                                  4
  82 #define SSH2_MSG_SERVICE_REQUEST                        5
  83 #define SSH2_MSG_SERVICE_ACCEPT                         6
  84
  85 /* transport layer: alg negotiation */
  86
  87 #define SSH2_MSG_KEXINIT                                20
  88 #define SSH2_MSG_NEWKEYS                                21
  89
  90 /* transport layer: kex specific messages, can be reused */
  91
  92 #define SSH2_MSG_KEXDH_INIT                             30
  93 #define SSH2_MSG_KEXDH_REPLY                            31
  94
  95 /* dh-group-exchange */
  96 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD                 30
  97 #define SSH2_MSG_KEX_DH_GEX_GROUP                       31
  98 #define SSH2_MSG_KEX_DH_GEX_INIT                        32
  99 #define SSH2_MSG_KEX_DH_GEX_REPLY                       33
 100 #define SSH2_MSG_KEX_DH_GEX_REQUEST                     34
 101
 102 /* user authentication: generic */
 103
 104 #define SSH2_MSG_USERAUTH_REQUEST                       50
 105 #define SSH2_MSG_USERAUTH_FAILURE                       51
 106 #define SSH2_MSG_USERAUTH_SUCCESS                       52
 107 #define SSH2_MSG_USERAUTH_BANNER                        53
 108
 109 /* user authentication: method specific, can be reused */
 110
 111 #define SSH2_MSG_USERAUTH_PK_OK                         60
 112 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ              60
 113 #define SSH2_MSG_USERAUTH_INFO_REQUEST                  60
 114 #define SSH2_MSG_USERAUTH_INFO_RESPONSE                 61
 115 #define SSH2_MSG_USERAUTH_JPAKE_CLIENT_STEP1            60
 116 #define SSH2_MSG_USERAUTH_JPAKE_SERVER_STEP1            61
 117 #define SSH2_MSG_USERAUTH_JPAKE_CLIENT_STEP2            62
 118 #define SSH2_MSG_USERAUTH_JPAKE_SERVER_STEP2            63
 119 #define SSH2_MSG_USERAUTH_JPAKE_CLIENT_CONFIRM          64
 120 #define SSH2_MSG_USERAUTH_JPAKE_SERVER_CONFIRM          65
 121
 122 /* connection protocol: generic */
 123
 124 #define SSH2_MSG_GLOBAL_REQUEST                         80
 125 #define SSH2_MSG_REQUEST_SUCCESS                        81
 126 #define SSH2_MSG_REQUEST_FAILURE                        82
 127
 128 /* channel related messages */
 129
 130 #define SSH2_MSG_CHANNEL_OPEN                           90
 131 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION              91
 132 #define SSH2_MSG_CHANNEL_OPEN_FAILURE                   92
 133 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST                  93
 134 #define SSH2_MSG_CHANNEL_DATA                           94
 135 #define SSH2_MSG_CHANNEL_EXTENDED_DATA                  95
 136 #define SSH2_MSG_CHANNEL_EOF                            96
 137 #define SSH2_MSG_CHANNEL_CLOSE                          97
 138 #define SSH2_MSG_CHANNEL_REQUEST                        98
 139 #define SSH2_MSG_CHANNEL_SUCCESS                        99
 140 #define SSH2_MSG_CHANNEL_FAILURE                        100
 141
 142 /* disconnect reason code */
 143
 144 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT     1
 145 #define SSH2_DISCONNECT_PROTOCOL_ERROR                  2
 146 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED             3
 147 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED      4
 148 #define SSH2_DISCONNECT_RESERVED                        4
 149 #define SSH2_DISCONNECT_MAC_ERROR                       5
 150 #define SSH2_DISCONNECT_COMPRESSION_ERROR               6
 151 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE           7
 152 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED  8
 153 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE         9
 154 #define SSH2_DISCONNECT_CONNECTION_LOST                 10
 155 #define SSH2_DISCONNECT_BY_APPLICATION                  11
 156 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS            12
 157 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER          13
 158 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE  14
 159 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME               15
 160
 161 /* misc */
 162
 163 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED           1
 164 #define SSH2_OPEN_CONNECT_FAILED                        2
 165 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE                  3
 166 #define SSH2_OPEN_RESOURCE_SHORTAGE                     4
 167
 168 #define SSH2_EXTENDED_DATA_STDERR                       1
 169