diff options
Diffstat (limited to 'ssh2.h')
| -rw-r--r-- | ssh2.h | 180 |
1 files changed, 180 insertions, 0 deletions
@@ -0,0 +1,180 @@ +/* $OpenBSD: ssh2.h,v 1.22 2023/10/10 03:57:45 djm Exp $ */ + +/* + * Copyright (c) 2000 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * RFC4251: + * + * Transport layer protocol: + * + * 1-19 Transport layer generic (e.g. disconnect, ignore, debug, + * etc) + * 20-29 Algorithm negotiation + * 30-49 Key exchange method specific (numbers can be reused for + * different authentication methods) + * + * User authentication protocol: + * + * 50-59 User authentication generic + * 60-79 User authentication method specific (numbers can be reused + * for different authentication methods) + * + * Connection protocol: + * + * 80-89 Connection protocol generic + * 90-127 Channel related messages + * + * Reserved for client protocols: + * + * 128-191 Reserved + * + * Local extensions: + * + * 192-255 Local extensions + * 248-255 Local extensions (OpenSSH will never use numbers in this range) + */ + +/* special marker for no message */ + +#define SSH_MSG_NONE 0 + +/* ranges */ + +#define SSH2_MSG_TRANSPORT_MIN 1 +#define SSH2_MSG_TRANSPORT_MAX 49 +#define SSH2_MSG_USERAUTH_MIN 50 +#define SSH2_MSG_USERAUTH_MAX 79 +#define SSH2_MSG_USERAUTH_PER_METHOD_MIN 60 +#define SSH2_MSG_USERAUTH_PER_METHOD_MAX SSH2_MSG_USERAUTH_MAX +#define SSH2_MSG_CONNECTION_MIN 80 +#define SSH2_MSG_CONNECTION_MAX 127 +#define SSH2_MSG_RESERVED_MIN 128 +#define SSH2_MSG_RESERVED_MAX 191 +#define SSH2_MSG_LOCAL_MIN 192 +#define SSH2_MSG_LOCAL_MAX 255 +#define SSH2_MSG_MIN 1 +#define SSH2_MSG_MAX 255 + +/* transport layer: generic */ + +#define SSH2_MSG_DISCONNECT 1 +#define SSH2_MSG_IGNORE 2 +#define SSH2_MSG_UNIMPLEMENTED 3 +#define SSH2_MSG_DEBUG 4 +#define SSH2_MSG_SERVICE_REQUEST 5 +#define SSH2_MSG_SERVICE_ACCEPT 6 +#define SSH2_MSG_EXT_INFO 7 +#define SSH2_MSG_NEWCOMPRESS 8 + +/* transport layer: alg negotiation */ + +#define SSH2_MSG_KEXINIT 20 +#define SSH2_MSG_NEWKEYS 21 + +/* transport layer: kex specific messages, can be reused */ + +#define SSH2_MSG_KEXDH_INIT 30 +#define SSH2_MSG_KEXDH_REPLY 31 + +/* dh-group-exchange */ +#define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30 +#define SSH2_MSG_KEX_DH_GEX_GROUP 31 +#define SSH2_MSG_KEX_DH_GEX_INIT 32 +#define SSH2_MSG_KEX_DH_GEX_REPLY 33 +#define SSH2_MSG_KEX_DH_GEX_REQUEST 34 + +/* ecdh */ +#define SSH2_MSG_KEX_ECDH_INIT 30 +#define SSH2_MSG_KEX_ECDH_REPLY 31 + +/* transport layer: OpenSSH extensions */ +#define SSH2_MSG_PING 192 +#define SSH2_MSG_PONG 193 + +/* user authentication: generic */ + +#define SSH2_MSG_USERAUTH_REQUEST 50 +#define SSH2_MSG_USERAUTH_FAILURE 51 +#define SSH2_MSG_USERAUTH_SUCCESS 52 +#define SSH2_MSG_USERAUTH_BANNER 53 + +/* user authentication: method specific, can be reused */ + +#define SSH2_MSG_USERAUTH_PK_OK 60 +#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 +#define SSH2_MSG_USERAUTH_INFO_REQUEST 60 +#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 + +/* connection protocol: generic */ + +#define SSH2_MSG_GLOBAL_REQUEST 80 +#define SSH2_MSG_REQUEST_SUCCESS 81 +#define SSH2_MSG_REQUEST_FAILURE 82 + +/* channel related messages */ + +#define SSH2_MSG_CHANNEL_OPEN 90 +#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 +#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 +#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 +#define SSH2_MSG_CHANNEL_DATA 94 +#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 +#define SSH2_MSG_CHANNEL_EOF 96 +#define SSH2_MSG_CHANNEL_CLOSE 97 +#define SSH2_MSG_CHANNEL_REQUEST 98 +#define SSH2_MSG_CHANNEL_SUCCESS 99 +#define SSH2_MSG_CHANNEL_FAILURE 100 + +/* disconnect reason code */ + +#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 +#define SSH2_DISCONNECT_PROTOCOL_ERROR 2 +#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3 +#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4 +#define SSH2_DISCONNECT_RESERVED 4 +#define SSH2_DISCONNECT_MAC_ERROR 5 +#define SSH2_DISCONNECT_COMPRESSION_ERROR 6 +#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7 +#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 +#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 +#define SSH2_DISCONNECT_CONNECTION_LOST 10 +#define SSH2_DISCONNECT_BY_APPLICATION 11 +#define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12 +#define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13 +#define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 +#define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15 + +/* misc */ + +#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1 +#define SSH2_OPEN_CONNECT_FAILED 2 +#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3 +#define SSH2_OPEN_RESOURCE_SHORTAGE 4 + +#define SSH2_EXTENDED_DATA_STDERR 1 + +/* Certificate types for OpenSSH certificate keys extension */ +#define SSH2_CERT_TYPE_USER 1 +#define SSH2_CERT_TYPE_HOST 2 |