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 1.6 2001/03/27 17:46:49 provos Exp $"); */ 56 57 /* transport layer: generic */ 58 59 #define SSH2_MSG_DISCONNECT 1 60 #define SSH2_MSG_IGNORE 2 61 #define SSH2_MSG_UNIMPLEMENTED 3 62 #define SSH2_MSG_DEBUG 4 63 #define SSH2_MSG_SERVICE_REQUEST 5 64 #define SSH2_MSG_SERVICE_ACCEPT 6 65 66 /* transport layer: alg negotiation */ 67 68 #define SSH2_MSG_KEXINIT 20 69 #define SSH2_MSG_NEWKEYS 21 70 71 /* transport layer: kex specific messages, can be reused */ 72 73 #define SSH2_MSG_KEXDH_INIT 30 74 #define SSH2_MSG_KEXDH_REPLY 31 75 76 /* dh-group-exchange */ 77 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30 78 #define SSH2_MSG_KEX_DH_GEX_GROUP 31 79 #define SSH2_MSG_KEX_DH_GEX_INIT 32 80 #define SSH2_MSG_KEX_DH_GEX_REPLY 33 81 #define SSH2_MSG_KEX_DH_GEX_REQUEST 34 82 83 /* user authentication: generic */ 84 85 #define SSH2_MSG_USERAUTH_REQUEST 50 86 #define SSH2_MSG_USERAUTH_FAILURE 51 87 #define SSH2_MSG_USERAUTH_SUCCESS 52 88 #define SSH2_MSG_USERAUTH_BANNER 53 89 90 /* user authentication: method specific, can be reused */ 91 92 #define SSH2_MSG_USERAUTH_PK_OK 60 93 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 94 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60 95 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 96 97 /* connection protocol: generic */ 98 99 #define SSH2_MSG_GLOBAL_REQUEST 80 100 #define SSH2_MSG_REQUEST_SUCCESS 81 101 #define SSH2_MSG_REQUEST_FAILURE 82 102 103 /* channel related messages */ 104 105 #define SSH2_MSG_CHANNEL_OPEN 90 106 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 107 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 108 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 109 #define SSH2_MSG_CHANNEL_DATA 94 110 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 111 #define SSH2_MSG_CHANNEL_EOF 96 112 #define SSH2_MSG_CHANNEL_CLOSE 97 113 #define SSH2_MSG_CHANNEL_REQUEST 98 114 #define SSH2_MSG_CHANNEL_SUCCESS 99 115 #define SSH2_MSG_CHANNEL_FAILURE 100 116 117 /* disconnect reason code */ 118 119 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 120 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2 121 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3 122 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4 123 #define SSH2_DISCONNECT_RESERVED 4 124 #define SSH2_DISCONNECT_MAC_ERROR 5 125 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6 126 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7 127 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 128 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 129 #define SSH2_DISCONNECT_CONNECTION_LOST 10 130 #define SSH2_DISCONNECT_BY_APPLICATION 11 131 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12 132 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13 133 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 134 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15 135 136 /* misc */ 137 138 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1 139 #define SSH2_OPEN_CONNECT_FAILED 2 140 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3 141 #define SSH2_OPEN_RESOURCE_SHORTAGE 4 142 143 #define SSH2_EXTENDED_DATA_STDERR 1 144