1 /* 2 * Copyright (c) 2000 Markus Friedl. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 /* 26 * draft-ietf-secsh-architecture-05.txt 27 * 28 * Transport layer protocol: 29 * 30 * 1-19 Transport layer generic (e.g. disconnect, ignore, debug, 31 * etc) 32 * 20-29 Algorithm negotiation 33 * 30-49 Key exchange method specific (numbers can be reused for 34 * different authentication methods) 35 * 36 * User authentication protocol: 37 * 38 * 50-59 User authentication generic 39 * 60-79 User authentication method specific (numbers can be reused 40 * for different authentication methods) 41 * 42 * Connection protocol: 43 * 44 * 80-89 Connection protocol generic 45 * 90-127 Channel related messages 46 * 47 * Reserved for client protocols: 48 * 49 * 128-191 Reserved 50 * 51 * Local extensions: 52 * 53 * 192-255 Local extensions 54 */ 55 /* RCSID("$OpenBSD: ssh2.h,v 1.7 2002/01/11 13:36:43 markus Exp $"); */ 56 57 /* ranges */ 58 59 #define SSH2_MSG_TRANSPORT_MIN 1 60 #define SSH2_MSG_TRANSPORT_MAX 49 61 #define SSH2_MSG_USERAUTH_MIN 50 62 #define SSH2_MSG_USERAUTH_MAX 79 63 #define SSH2_MSG_CONNECTION_MIN 80 64 #define SSH2_MSG_CONNECTION_MAX 127 65 #define SSH2_MSG_RESERVED_MIN 128 66 #define SSH2_MSG_RESERVED_MAX 191 67 #define SSH2_MSG_LOCAL_MIN 192 68 #define SSH2_MSG_LOCAL_MAX 255 69 #define SSH2_MSG_MIN 1 70 #define SSH2_MSG_MAX 255 71 72 /* transport layer: generic */ 73 74 #define SSH2_MSG_DISCONNECT 1 75 #define SSH2_MSG_IGNORE 2 76 #define SSH2_MSG_UNIMPLEMENTED 3 77 #define SSH2_MSG_DEBUG 4 78 #define SSH2_MSG_SERVICE_REQUEST 5 79 #define SSH2_MSG_SERVICE_ACCEPT 6 80 81 /* transport layer: alg negotiation */ 82 83 #define SSH2_MSG_KEXINIT 20 84 #define SSH2_MSG_NEWKEYS 21 85 86 /* transport layer: kex specific messages, can be reused */ 87 88 #define SSH2_MSG_KEXDH_INIT 30 89 #define SSH2_MSG_KEXDH_REPLY 31 90 91 /* dh-group-exchange */ 92 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30 93 #define SSH2_MSG_KEX_DH_GEX_GROUP 31 94 #define SSH2_MSG_KEX_DH_GEX_INIT 32 95 #define SSH2_MSG_KEX_DH_GEX_REPLY 33 96 #define SSH2_MSG_KEX_DH_GEX_REQUEST 34 97 98 /* user authentication: generic */ 99 100 #define SSH2_MSG_USERAUTH_REQUEST 50 101 #define SSH2_MSG_USERAUTH_FAILURE 51 102 #define SSH2_MSG_USERAUTH_SUCCESS 52 103 #define SSH2_MSG_USERAUTH_BANNER 53 104 105 /* user authentication: method specific, can be reused */ 106 107 #define SSH2_MSG_USERAUTH_PK_OK 60 108 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 109 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60 110 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 111 112 /* connection protocol: generic */ 113 114 #define SSH2_MSG_GLOBAL_REQUEST 80 115 #define SSH2_MSG_REQUEST_SUCCESS 81 116 #define SSH2_MSG_REQUEST_FAILURE 82 117 118 /* channel related messages */ 119 120 #define SSH2_MSG_CHANNEL_OPEN 90 121 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 122 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 123 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 124 #define SSH2_MSG_CHANNEL_DATA 94 125 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 126 #define SSH2_MSG_CHANNEL_EOF 96 127 #define SSH2_MSG_CHANNEL_CLOSE 97 128 #define SSH2_MSG_CHANNEL_REQUEST 98 129 #define SSH2_MSG_CHANNEL_SUCCESS 99 130 #define SSH2_MSG_CHANNEL_FAILURE 100 131 132 /* disconnect reason code */ 133 134 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 135 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2 136 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3 137 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4 138 #define SSH2_DISCONNECT_RESERVED 4 139 #define SSH2_DISCONNECT_MAC_ERROR 5 140 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6 141 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7 142 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 143 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 144 #define SSH2_DISCONNECT_CONNECTION_LOST 10 145 #define SSH2_DISCONNECT_BY_APPLICATION 11 146 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12 147 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13 148 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 149 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15 150 151 /* misc */ 152 153 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1 154 #define SSH2_OPEN_CONNECT_FAILED 2 155 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3 156 #define SSH2_OPEN_RESOURCE_SHORTAGE 4 157 158 #define SSH2_EXTENDED_DATA_STDERR 1 159