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8d29ee4115
OpenSSH promises not to use (comment change only) OpenBSD-Commit-ID: e61795b453d4892d2c99ce1039112c4a00250e03
181 lines
5.8 KiB
C
181 lines
5.8 KiB
C
/* $OpenBSD: ssh2.h,v 1.22 2023/10/10 03:57:45 djm Exp $ */
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/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* RFC4251:
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*
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* Transport layer protocol:
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*
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* 1-19 Transport layer generic (e.g. disconnect, ignore, debug,
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* etc)
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* 20-29 Algorithm negotiation
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* 30-49 Key exchange method specific (numbers can be reused for
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* different authentication methods)
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*
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* User authentication protocol:
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*
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* 50-59 User authentication generic
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* 60-79 User authentication method specific (numbers can be reused
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* for different authentication methods)
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*
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* Connection protocol:
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*
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* 80-89 Connection protocol generic
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* 90-127 Channel related messages
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*
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* Reserved for client protocols:
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*
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* 128-191 Reserved
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*
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* Local extensions:
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*
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* 192-255 Local extensions
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* 248-255 Local extensions (OpenSSH will never use numbers in this range)
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*/
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/* special marker for no message */
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#define SSH_MSG_NONE 0
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/* ranges */
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#define SSH2_MSG_TRANSPORT_MIN 1
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#define SSH2_MSG_TRANSPORT_MAX 49
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#define SSH2_MSG_USERAUTH_MIN 50
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#define SSH2_MSG_USERAUTH_MAX 79
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#define SSH2_MSG_USERAUTH_PER_METHOD_MIN 60
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#define SSH2_MSG_USERAUTH_PER_METHOD_MAX SSH2_MSG_USERAUTH_MAX
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#define SSH2_MSG_CONNECTION_MIN 80
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#define SSH2_MSG_CONNECTION_MAX 127
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#define SSH2_MSG_RESERVED_MIN 128
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#define SSH2_MSG_RESERVED_MAX 191
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#define SSH2_MSG_LOCAL_MIN 192
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#define SSH2_MSG_LOCAL_MAX 255
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#define SSH2_MSG_MIN 1
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#define SSH2_MSG_MAX 255
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/* transport layer: generic */
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#define SSH2_MSG_DISCONNECT 1
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#define SSH2_MSG_IGNORE 2
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#define SSH2_MSG_UNIMPLEMENTED 3
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#define SSH2_MSG_DEBUG 4
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#define SSH2_MSG_SERVICE_REQUEST 5
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#define SSH2_MSG_SERVICE_ACCEPT 6
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#define SSH2_MSG_EXT_INFO 7
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#define SSH2_MSG_NEWCOMPRESS 8
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/* transport layer: alg negotiation */
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#define SSH2_MSG_KEXINIT 20
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#define SSH2_MSG_NEWKEYS 21
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/* transport layer: kex specific messages, can be reused */
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#define SSH2_MSG_KEXDH_INIT 30
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#define SSH2_MSG_KEXDH_REPLY 31
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/* dh-group-exchange */
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#define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30
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#define SSH2_MSG_KEX_DH_GEX_GROUP 31
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#define SSH2_MSG_KEX_DH_GEX_INIT 32
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#define SSH2_MSG_KEX_DH_GEX_REPLY 33
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#define SSH2_MSG_KEX_DH_GEX_REQUEST 34
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/* ecdh */
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#define SSH2_MSG_KEX_ECDH_INIT 30
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#define SSH2_MSG_KEX_ECDH_REPLY 31
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/* transport layer: OpenSSH extensions */
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#define SSH2_MSG_PING 192
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#define SSH2_MSG_PONG 193
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/* user authentication: generic */
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#define SSH2_MSG_USERAUTH_REQUEST 50
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#define SSH2_MSG_USERAUTH_FAILURE 51
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#define SSH2_MSG_USERAUTH_SUCCESS 52
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#define SSH2_MSG_USERAUTH_BANNER 53
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/* user authentication: method specific, can be reused */
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#define SSH2_MSG_USERAUTH_PK_OK 60
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#define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60
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#define SSH2_MSG_USERAUTH_INFO_REQUEST 60
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#define SSH2_MSG_USERAUTH_INFO_RESPONSE 61
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/* connection protocol: generic */
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#define SSH2_MSG_GLOBAL_REQUEST 80
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#define SSH2_MSG_REQUEST_SUCCESS 81
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#define SSH2_MSG_REQUEST_FAILURE 82
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/* channel related messages */
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#define SSH2_MSG_CHANNEL_OPEN 90
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#define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91
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#define SSH2_MSG_CHANNEL_OPEN_FAILURE 92
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#define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93
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#define SSH2_MSG_CHANNEL_DATA 94
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#define SSH2_MSG_CHANNEL_EXTENDED_DATA 95
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#define SSH2_MSG_CHANNEL_EOF 96
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#define SSH2_MSG_CHANNEL_CLOSE 97
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#define SSH2_MSG_CHANNEL_REQUEST 98
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#define SSH2_MSG_CHANNEL_SUCCESS 99
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#define SSH2_MSG_CHANNEL_FAILURE 100
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/* disconnect reason code */
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#define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
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#define SSH2_DISCONNECT_PROTOCOL_ERROR 2
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#define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3
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#define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4
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#define SSH2_DISCONNECT_RESERVED 4
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#define SSH2_DISCONNECT_MAC_ERROR 5
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#define SSH2_DISCONNECT_COMPRESSION_ERROR 6
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#define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7
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#define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
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#define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
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#define SSH2_DISCONNECT_CONNECTION_LOST 10
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#define SSH2_DISCONNECT_BY_APPLICATION 11
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#define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12
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#define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13
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#define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
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#define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15
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/* misc */
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#define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1
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#define SSH2_OPEN_CONNECT_FAILED 2
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#define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3
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#define SSH2_OPEN_RESOURCE_SHORTAGE 4
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#define SSH2_EXTENDED_DATA_STDERR 1
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/* Certificate types for OpenSSH certificate keys extension */
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#define SSH2_CERT_TYPE_USER 1
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#define SSH2_CERT_TYPE_HOST 2
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