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libssh2.pas
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libssh2.pas
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{ libssh2.pas } //# version: 2024.0114.1600
{ **
* Delphi/Pascal Wrapper around the library "libssh2"
* Base repository:
* https://bitbucket.org/ZeljkoMarjanovic/libssh2-delphi
* Contributors:
* https://bitbucket.org/jeroenp/libssh2-delphi
* https://github.com/pult/libssh2_delphi/
* https://bitbucket.org/VadimLV/libssh2_delphi
* }
unit libssh2;
//#
//# **zm ** translated to pascal
//#
//# libssh2.h # https://github.com/libssh2/libssh2/blob/master/include/libssh2.h
//# # 2024.0110: https://github.com/libssh2/libssh2/commit/2ed9eb92f385da7bc7a2d072694e01fd674cbf34
(*
* Copyright (C) Sara Golemon <sarag@libssh2.org>
* Copyright (C) Daniel Stenberg
* Copyright (C) Simon Josefsson <simon@josefsson.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* 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.
*
* Neither the name of the copyright holder nor the names
* of any other contributors may be used to endorse or
* promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "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 COPYRIGHT OWNER OR
* CONTRIBUTORS 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.
*
* SPDX-License-Identifier: BSD-3-Clause
*)
{$i libssh2.inc}
{$UNDEF _TEST_}
{$UNDEF _TEST_LIBSSH2_} { no change }
//#TEST:
{$if defined(_IDE_) and defined(_DEBUG_) and defined(_TEST_)}
{$DEFINE _TEST_LIBSSH2_} //# optional: testing some wrappers for "test_libssh2_*"
{$ifend}
//#TEST.
(*{$IFDEF MSWINDOWS}
{$IFDEF WIN32}
{$HPPEMIT ''}
{$HPPEMIT '#pragma link "libssh2.lib"'}
{$HPPEMIT ''}
{$ENDIF}
{$IFDEF WIN64}
{$HPPEMIT ''}
{$HPPEMIT '#pragma link "libssh2.a"'}
{$HPPEMIT ''}
{$ENDIF}
{$ENDIF}//*)
interface
uses
{$IFDEF allow_hvdll}
HVDll, //# alternative for: external '%dll_name%' name '%function_name%' delayed
{$ENDIF}
{$IFDEF MSWINDOWS}
{$if defined(WIN32) or defined(WIN64)}
Windows,
{$else}
Wintypes, WinProcs,
{$ifend}
{$ENDIF}
WinSock,
//-{$IFDEF MSWINDOWS}
//-Winsock2, {$DEFINE _WINSOCK2_}
//-{$ENDIF MSWINDOWS}
SysUtils
{$if (not declared(uHVDll)) and (not defined(allow_delayed))}
,Classes
{$ifend}
;
const
libssh2_name = 'libssh2'
{$IFDEF MSWINDOWS}
{$IFDEF WIN64}
+ '-x64' // optional: win64: "libssh2-x64.dll" win32: "libssh2.dll"
{$ENDIF}
+ '.dll' // optional
{$ELSE !MSWINDOWS}
{$IFDEF LINUX}
+ '.so'
{$ELSE}
{$IFDEF BSD}
+ '.dylib'
{$ENDIF}
{$ENDIF !LINUX}
{$ENDIF !MSWINDOWS}
;
LIBSSH2_NULL = nil; // "C" NULL
{$if not declared(sLineBreak)}
sLineBreak =
{$IFDEF POSIX}
AnsiChar(#10)
{$ELSE}
AnsiChar(#13)+AnsiChar(#10)
{$ENDIF}
;
{$ifend}
type
{$if (not declared(uHVDll)) and (not defined(allow_delayed))}
ELibSSH2 = class(Exception);
{$ifend}
libssh2_uint64_t = UInt64;
libssh2_int64_t = Int64;
uint32_t = UInt;
ssize_t = Integer;
{$EXTERNALSYM time_t}
time_t = ULong;
libssh2_socket_t = {Winsock.}TSocket;
(*{$IFDEF FPC}
libssh2_socket_t = ptruint;
{$ELSE}
{$IFDEF WIN64}
libssh2_socket_t = UINT_PTR;
{$ELSE}
u_int = Cardinal;
libssh2_socket_t = u_int;
{$ENDIF}
{$ENDIF}*)
TLibssh2Socket = libssh2_socket_t;
const
LIBSSH2_UNIT_VER = 202401141600;
//# format time : yyyymmddhhnn #
{$EXTERNALSYM LIBSSH2_UNIT_VER}
(*
//# Sample for checking:
//# <sample>
//#
{$ifndef fpc}{$warn comparison_true off}{$endif}
{$if (not declared(LIBSSH2_UNIT_VER)) or (LIBSSH2_UNIT_VER < 202401141600)}
{$ifndef fpc}{$warn message_directive on}{$endif}
{$MESSAGE WARN 'Please use latest "libssh2.pas" from "https://github.com/pult/libssh2_delphi/"'}
// or :
//{$MESSAGE FATAL 'Please use latest "libssh2.pas" from "https://github.com/pult/libssh2_delphi/"'}
{$ifend}{$warnings on}
//#
//# <\sample>
//*)
const
{+// We use underscore instead of dash when appending CVS in dev versions just }
{-to make the BANNER define (used by src/session.c) be a valid SSH }
{-banner. Release versions have no appended strings and may of course not }
{=have dashes either. }
_LIBSSH2_VERSION = '1.8.1'; //#DEV: '1.11.1'
{+// The numeric version number is also available "in parts" by using these }
{=defines: }
LIBSSH2_VERSION_MAJOR = 1;
LIBSSH2_VERSION_MINOR = 8; // #DEV: 11
LIBSSH2_VERSION_PATCH = 1;
SHA_DIGEST_LENGTH = 20;
MD5_DIGEST_LENGTH = 16;
{+// This is the numeric version of the libssh2 version number, meant for easier }
{-parsing and comparions by programs. The LIBSSH2_VERSION_NUM define will }
{-always follow this syntax: }
{-0xXXYYZZ }
{-Where XX, YY and ZZ are the main version, release and patch numbers in }
{-hexadecimal (using 8 bits each). All three numbers are always represented }
{-using two digits. 1.2 would appear as "0x010200" while version 9.11.7 }
{-appears as "0x090b07". }
{-This 6-digit (24 bits) hexadecimal number does not show pre-release number, }
{-and it is always a greater number in a more recent release. It makes }
{-comparisons with greater than and less than work. }
{= }
LIBSSH2_VERSION_NUM = $010801; //#DEV: $010b01
{+// }
{-* This is the date and time when the full source package was created. The }
{-* timestamp is not stored in CVS, as the timestamp is properly set in the }
{-* tarballs by the maketgz script. }
{-* }
{-* The format of the date should follow this template: }
{-* }
{-* "Mon Feb 12 11:35:33 UTC 2007" }
{= }
LIBSSH2_TIMESTAMP = '_DEV';
{+// Part of every banner, user specified or not*/ }
LIBSSH2_SSH_BANNER = 'SSH-2.0-libssh2_' + _LIBSSH2_VERSION + LIBSSH2_TIMESTAMP;
{+// We*could* add a comment here if we so chose*/ }
LIBSSH2_SSH_DEFAULT_BANNER = LIBSSH2_SSH_BANNER;
LIBSSH2_SSH_DEFAULT_BANNER_WITH_CRLF = LIBSSH2_SSH_DEFAULT_BANNER + sLineBreak;
{+// Default generate and safe prime sizes for diffie-hellman-group-exchange-sha1*/ }
LIBSSH2_DH_GEX_MINGROUP = 1024 {$if defined(FPC) or (CompilerVersion >= 18.50)} deprecated{$ifend};
LIBSSH2_DH_GEX_OPTGROUP = 1536 {$if defined(FPC) or (CompilerVersion >= 18.50)} deprecated{$ifend};
LIBSSH2_DH_GEX_MAXGROUP = 2048 {$if defined(FPC) or (CompilerVersion >= 18.50)} deprecated{$ifend};
{+// Defaults for pty requests*/ }
LIBSSH2_TERM_WIDTH = 80;
LIBSSH2_TERM_HEIGHT = 24;
LIBSSH2_TERM_WIDTH_PX = 0;
LIBSSH2_TERM_HEIGHT_PX = 0;
{+// 1/4 second*/ }
LIBSSH2_SOCKET_POLL_UDELAY = 250000;
{+// 0.25* 120 == 30 seconds*/ }
LIBSSH2_SOCKET_POLL_MAXLOOPS = 120;
{+// Maximum size to allow a payload to compress to, plays it safe by falling }
{=short of spec limits }
LIBSSH2_PACKET_MAXCOMP = 32000;
{+// Maximum size to allow a payload to deccompress to, plays it safe by }
{=allowing more than spec requires }
LIBSSH2_PACKET_MAXDECOMP = 40000;
{+// Maximum size for an inbound compressed payload, plays it safe by }
{=overshooting spec limits }
LIBSSH2_PACKET_MAXPAYLOAD = 40000;
{+// Malloc callbacks*/ }
// ovo je vec definisano u ssh2_priv alloc, realloc, free
type
_LIBSSH2_SESSION = record end;
_LIBSSH2_CHANNEL = record end;
_LIBSSH2_LISTENER = record end;
_LIBSSH2_KNOWNHOSTS = record end;
_LIBSSH2_AGENT = record end;
LIBSSH2_SESSION = _LIBSSH2_SESSION;
LIBSSH2_CHANNEL = _LIBSSH2_CHANNEL;
LIBSSH2_LISTENER = _LIBSSH2_LISTENER;
LIBSSH2_KNOWNHOSTS = _LIBSSH2_KNOWNHOSTS;
LIBSSH2_AGENT = _LIBSSH2_AGENT;
PLIBSSH2_SESSION = ^LIBSSH2_SESSION;
PLIBSSH2_CHANNEL = ^LIBSSH2_CHANNEL;
PLIBSSH2_LISTENER = ^LIBSSH2_LISTENER;
PLIBSSH2_KNOWNHOSTS = ^LIBSSH2_KNOWNHOSTS;
PLIBSSH2_AGENT = ^LIBSSH2_AGENT;
{$EXTERNALSYM SIZE_T}
SIZE_T = UINT;
PSIZE_T = ^SIZE_T;
_LIBSSH2_USERAUTH_KBDINT_PROMPT = record
text: PAnsiChar;
length: SIZE_T;
echo: Byte;
end;
LIBSSH2_USERAUTH_KBDINT_PROMPT = _LIBSSH2_USERAUTH_KBDINT_PROMPT;
PLIBSSH2_USERAUTH_KBDINT_PROMPT = ^LIBSSH2_USERAUTH_KBDINT_PROMPT;
_LIBSSH2_USERAUTH_KBDINT_RESPONSE = record
text: PAnsiChar;
length: UInt;
end;
LIBSSH2_USERAUTH_KBDINT_RESPONSE = _LIBSSH2_USERAUTH_KBDINT_RESPONSE;
_LIBSSH2_SK_SIG_INFO = record
flags: Byte;
counter: UInt;
sig_r: PAnsiChar;
sig_r_len: SIZE_T;
sig_s: PAnsiChar;
sig_s_len: SIZE_T;
end;
LIBSSH2_SK_SIG_INFO = _LIBSSH2_SK_SIG_INFO;
PLIBSSH2_SK_SIG_INFO = ^LIBSSH2_SK_SIG_INFO;
{/* 'publickey' authentication callback */}
LIBSSH2_USERAUTH_PUBLICKEY_SIGN_FUNC = function(
session: PLIBSSH2_SESSION; var sig: PByte; sig_len: size_t;
const data: PByte; data_len: size_t; abstract: Pointer): Integer; cdecl;
{+// 'keyboard-interactive' authentication callback*/ }
LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC = procedure (const name: PAnsiChar;
name_len: Integer;
const instruction: PAnsiChar;
instruction_len: Integer;
num_prompts: Integer;
const prompts: PLIBSSH2_USERAUTH_KBDINT_PROMPT;
var responses: LIBSSH2_USERAUTH_KBDINT_RESPONSE;
abstract: Pointer); cdecl;
{+// SK authentication callback */ }
LIBSSH2_USERAUTH_SK_SIGN_FUNC = function(session: PLIBSSH2_SESSION;
sig_info: PLIBSSH2_SK_SIG_INFO;
const data: PByte; data_len: SIZE_T;
algorithm: Integer; flags: Byte; const application: PAnsiChar;
const key_handle: PByte; handle_len: SIZE_T; abstract: Pointer
): Integer; cdecl;
const
///* Flags for SK authentication */
LIBSSH2_SK_PRESENCE_REQUIRED = 1;
LIBSSH2_SK_VERIFICATION_REQUIRED = 4;
type
{+// Callbacks for special SSH packets*/ }
LIBSSH2_IGNORE_FUNC = procedure (session: PLIBSSH2_SESSION;
const message: PAnsiChar;
message_len: Integer;
abstract: Pointer); cdecl;
LIBSSH2_DEBUG_FUNC = procedure (session: PLIBSSH2_SESSION;
always_display: Integer;
const message: PAnsiChar;
message_len: Integer;
const language: PAnsiChar;
language_len: Integer;
abstract: Pointer); cdecl;
LIBSSH2_DISCONNECT_FUNC = procedure(session: PLIBSSH2_SESSION;
reason: Integer;
const message: PAnsiChar;
message_len: Integer;
const language: PAnsiChar;
language_len: Integer;
abstract: Pointer); cdecl;
LIBSSH2_PASSWD_CHANGEREQ_FUNC = procedure(session: PLIBSSH2_SESSION;
var newpw: PAnsiChar;
var newpw_len: Integer;
abstract: Pointer); cdecl;
LIBSSH2_MACERROR_FUNC = function (session: PLIBSSH2_SESSION;
const packet: PAnsiChar;
packet_len: Integer;
abstract: Pointer): Integer; cdecl;
LIBSSH2_X11_OPEN_FUNC = procedure (session: PLIBSSH2_SESSION;
channel: PLIBSSH2_CHANNEL;
const shost: PAnsiChar;
sport: Integer;
abstract: Pointer); cdecl;
LIBSSH2_AUTHAGENT_FUNC = procedure (session: PLIBSSH2_SESSION;
channel: PLIBSSH2_CHANNEL; abstract: Pointer); cdecl;
LIBSSH2_ADD_IDENTITIES_FUNC = procedure (session: PLIBSSH2_SESSION;
buffer: Pointer; const agent_path: PAnsiChar;
abstract: Pointer); cdecl;
LIBSSH2_AUTHAGENT_SIGN_FUNC = function(session: PLIBSSH2_SESSION;
const blob: PByte; blen: UINT;
const data: PByte; dlen: UINT;
var signature: PByte; sigLen: UINT;
const agentPath: PAnsiChar;
abstract: Pointer): Integer; cdecl;
LIBSSH2_CHANNEL_CLOSE_FUNC = procedure (session: PLIBSSH2_SESSION;
var session_abstract: Pointer;
channel: PLIBSSH2_CHANNEL;
var channel_abstract: Pointer); cdecl;
{/* I/O callbacks */}
LIBSSH2_RECV_FUNC = function (socket: libssh2_socket_t;
buffer: Pointer; length: size_t;
flags: Integer; abstract: Pointer): ssize_t; cdecl;
LIBSSH2_SEND_FUNC = function (socket: libssh2_socket_t;
const buffer: Pointer; length: size_t;
flags: Integer; abstract: Pointer): ssize_t; cdecl;
const
{+// libssh2_session_callback_set() constants*/ }
LIBSSH2_CALLBACK_IGNORE = 0;
LIBSSH2_CALLBACK_DEBUG = 1;
LIBSSH2_CALLBACK_DISCONNECT = 2;
LIBSSH2_CALLBACK_MACERROR = 3;
LIBSSH2_CALLBACK_X11 = 4;
LIBSSH2_CALLBACK_SEND = 5;
LIBSSH2_CALLBACK_RECV = 6;
LIBSSH2_CALLBACK_AUTHAGENT = 7;
LIBSSH2_CALLBACK_AUTHAGENT_IDENTITIES = 8;
LIBSSH2_CALLBACK_AUTHAGENT_SIGN = 9;
{+// libssh2_session_method_pref() constants*/ }
LIBSSH2_METHOD_KEX = 0;
LIBSSH2_METHOD_HOSTKEY = 1;
LIBSSH2_METHOD_CRYPT_CS = 2;
LIBSSH2_METHOD_CRYPT_SC = 3;
LIBSSH2_METHOD_MAC_CS = 4;
LIBSSH2_METHOD_MAC_SC = 5;
LIBSSH2_METHOD_COMP_CS = 6;
LIBSSH2_METHOD_COMP_SC = 7;
LIBSSH2_METHOD_LANG_CS = 8;
LIBSSH2_METHOD_LANG_SC = 9;
LIBSSH2_METHOD_SIGN_ALGO = 10;
{+// session.flags bits*/ }
LIBSSH2_FLAG_SIGPIPE = 1;
LIBSSH2_FLAG_COMPRESS = 2;
LIBSSH2_FLAG_QUOTE_PATHS = 3;
{+// SK signature callback */ }
type
_LIBSSH2_PRIVKEY_SK = record
algorithm: Integer;
flags: Byte;
application: PAnsiChar;
key_handle: PByte;
handle_len: SIZE_T;
sign_callback: LIBSSH2_USERAUTH_SK_SIGN_FUNC;
orig_abstract: Pointer;
end;
LIBSSH2_PRIVKEY_SK = _LIBSSH2_PRIVKEY_SK;
PLIBSSH2_PRIVKEY_SK = ^LIBSSH2_PRIVKEY_SK;
procedure LIBSSH2_SOCKET_CLOSE(s: TSocket); {$ifdef allow_inline}inline;{$endif}
type
t_libssh2_sign_sk = function(session: PLIBSSH2_SESSION;
var sig: PByte; sig_len: SIZE_T;
const data: PByte; data_len: SIZE_T;
abstract: Pointer): Integer; cdecl;
{$if not declared(uHVDll)}
{$ifndef allow_delayed}
var _libssh2_sign_sk: t_libssh2_sign_sk;
{$endif}
function libssh2_sign_sk(session: PLIBSSH2_SESSION;
var sig: PByte; sig_len: SIZE_T;
const data: PByte; data_len: SIZE_T;
abstract: Pointer): Integer; cdecl;
{$else}
var libssh2_sign_sk: t_libssh2_sign_sk;
{$ifend}
type
PLIBSSH2_POLLFD = ^_LIBSSH2_POLLFD;
_LIBSSH2_POLLFD = record
_type: Byte;
{= LIBSSH2_POLLFD_* below }
socket: Integer;
{= File descriptors -- examined with system select() call }
channel: PLIBSSH2_CHANNEL;
{= Examined by checking internal state }
listener: PLIBSSH2_LISTENER;
{- Read polls only -- are inbound }
{=connections waiting to be accepted? }
end;
LIBSSH2_POLLFD = _LIBSSH2_POLLFD;
{= Requested Events }
{= Returned Events }
const
{+// Poll FD Descriptor Types*/ }
LIBSSH2_POLLFD_SOCKET = 1;
LIBSSH2_POLLFD_CHANNEL = 2;
LIBSSH2_POLLFD_LISTENER = 3;
{+// Note: Win32 Doesn't actually have a poll() implementation, so some of these }
{=values are faked with select() data }
{+// Poll FD events/revents -- Match sys/poll.h where possible*/ }
LIBSSH2_POLLFD_POLLIN = $0001; {/* Data available to be read or}
LIBSSH2_POLLFD_POLLPRI = $0002; {/* Priority data available to
be read -- Socket only */}
LIBSSH2_POLLFD_POLLEXT = $0002; {/* Extended data available to be read -- Channel only */}
LIBSSH2_POLLFD_POLLOUT = $0004; {/* Can may be written -- Socket/Channel */}
LIBSSH2_POLLFD_POLLERR = $0008; {/* Error Condition -- Socket*/}
LIBSSH2_POLLFD_POLLHUP = $0010; {/* HangUp/EOF -- Socket*/}
LIBSSH2_POLLFD_SESSION_CLOSED = $0010; {/* Session Disconnect*/}
LIBSSH2_POLLFD_POLLNVAL = $0020; {/* Invalid request -- Socket Only */}
LIBSSH2_POLLFD_POLLEX = $0040; {/* Exception Condition -- Socket/Win32 */}
LIBSSH2_POLLFD_CHANNEL_CLOSED = $0080; {/* Channel Disconnect */}
LIBSSH2_POLLFD_LISTENER_CLOSED = $0080; {/* Listener Disconnect*/}
HAVE_LIBSSH2_SESSION_BLOCK_DIRECTION = 1;
{+// Block Direction Types*/ }
LIBSSH2_SESSION_BLOCK_INBOUND = $0001;
LIBSSH2_SESSION_BLOCK_OUTBOUND = $0002;
{+// Hash Types*/ }
LIBSSH2_HOSTKEY_HASH_MD5 = 1;
LIBSSH2_HOSTKEY_HASH_SHA1 = 2;
LIBSSH2_HOSTKEY_HASH_SHA256 = 3;
{+// Hostkey Types */ }
LIBSSH2_HOSTKEY_TYPE_UNKNOWN = 0;
LIBSSH2_HOSTKEY_TYPE_RSA = 1;
LIBSSH2_HOSTKEY_TYPE_DSS = 2;
LIBSSH2_HOSTKEY_TYPE_ECDSA_256 = 3;
LIBSSH2_HOSTKEY_TYPE_ECDSA_384 = 4;
LIBSSH2_HOSTKEY_TYPE_ECDSA_521 = 5;
LIBSSH2_HOSTKEY_TYPE_ED25519 = 6;
{+// Disconnect Codes (defined by SSH protocol)*/ }
SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT = 1;
SSH_DISCONNECT_PROTOCOL_ERROR = 2;
SSH_DISCONNECT_KEY_EXCHANGE_FAILED = 3;
SSH_DISCONNECT_RESERVED = 4;
SSH_DISCONNECT_MAC_ERROR = 5;
SSH_DISCONNECT_COMPRESSION_ERROR = 6;
SSH_DISCONNECT_SERVICE_NOT_AVAILABLE = 7;
SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED = 8;
SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE = 9;
SSH_DISCONNECT_CONNECTION_LOST = 10;
SSH_DISCONNECT_BY_APPLICATION = 11;
SSH_DISCONNECT_TOO_MANY_CONNECTIONS = 12;
SSH_DISCONNECT_AUTH_CANCELLED_BY_USER = 13;
SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE = 14;
SSH_DISCONNECT_ILLEGAL_USER_NAME = 15;
{+// Error Codes (defined by libssh2)*/ }
LIBSSH2_ERROR_NONE = 0;
LIBSSH2_ERROR_SOCKET_NONE = -1;
LIBSSH2_ERROR_BANNER_RECV = -2;
LIBSSH2_ERROR_BANNER_NONE = LIBSSH2_ERROR_BANNER_RECV;
LIBSSH2_ERROR_BANNER_SEND = -3;
LIBSSH2_ERROR_INVALID_MAC = -4;
LIBSSH2_ERROR_KEX_FAILURE = -5;
LIBSSH2_ERROR_ALLOC = -6;
LIBSSH2_ERROR_SOCKET_SEND = -7;
LIBSSH2_ERROR_KEY_EXCHANGE_FAILURE = -8;
LIBSSH2_ERROR_TIMEOUT = -9;
LIBSSH2_ERROR_HOSTKEY_INIT = -10;
LIBSSH2_ERROR_HOSTKEY_SIGN = -11;
LIBSSH2_ERROR_DECRYPT = -12;
LIBSSH2_ERROR_SOCKET_DISCONNECT = -13;
LIBSSH2_ERROR_PROTO = -14;
LIBSSH2_ERROR_PASSWORD_EXPIRED = -15;
LIBSSH2_ERROR_FILE = -16;
LIBSSH2_ERROR_METHOD_NONE = -17;
LIBSSH2_ERROR_AUTHENTICATION_FAILED = -18;
LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED = LIBSSH2_ERROR_AUTHENTICATION_FAILED;
LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED = -19;
LIBSSH2_ERROR_CHANNEL_OUTOFORDER = -20;
LIBSSH2_ERROR_CHANNEL_FAILURE = -21;
LIBSSH2_ERROR_CHANNEL_REQUEST_DENIED = -22;
LIBSSH2_ERROR_CHANNEL_UNKNOWN = -23;
LIBSSH2_ERROR_CHANNEL_WINDOW_EXCEEDED = -24;
LIBSSH2_ERROR_CHANNEL_PACKET_EXCEEDED = -25;
LIBSSH2_ERROR_CHANNEL_CLOSED = -26;
LIBSSH2_ERROR_CHANNEL_EOF_SENT = -27;
LIBSSH2_ERROR_SCP_PROTOCOL = -28;
LIBSSH2_ERROR_ZLIB = -29;
LIBSSH2_ERROR_SOCKET_TIMEOUT = -30;
LIBSSH2_ERROR_SFTP_PROTOCOL = -31;
LIBSSH2_ERROR_REQUEST_DENIED = -32;
LIBSSH2_ERROR_METHOD_NOT_SUPPORTED = -33;
LIBSSH2_ERROR_INVAL = -34;
LIBSSH2_ERROR_INVALID_POLL_TYPE = -35;
LIBSSH2_ERROR_PUBLICKEY_PROTOCOL = -36;
LIBSSH2_ERROR_EAGAIN = -37;
LIBSSH2_ERROR_BUFFER_TOO_SMALL = -38;
LIBSSH2_ERROR_BAD_USE = -39;
LIBSSH2_ERROR_COMPRESS = -40;
LIBSSH2_ERROR_OUT_OF_BOUNDARY = -41;
LIBSSH2_ERROR_AGENT_PROTOCOL = -42;
LIBSSH2_ERROR_SOCKET_RECV = -43;
LIBSSH2_ERROR_ENCRYPT = -44;
LIBSSH2_ERROR_BAD_SOCKET = -45;
LIBSSH2_ERROR_KNOWN_HOSTS = -46;
LIBSSH2_ERROR_CHANNEL_WINDOW_FULL = -47;
LIBSSH2_ERROR_KEYFILE_AUTH_FAILED = -48;
LIBSSH2_ERROR_RANDGEN = -49;
LIBSSH2_ERROR_MISSING_USERAUTH_BANNER = -50;
LIBSSH2_ERROR_ALGO_UNSUPPORTED = -51;
LIBSSH2_ERROR_MAC_FAILURE = -52;
LIBSSH2_ERROR_HASH_INIT = -53;
{+// Global API*/}
LIBSSH2_INIT_NO_CRYPTO = $0001;
{/*
* libssh2_init()
*
* Initialize the libssh2 functions. This typically initialize the
* crypto library. It uses a global state, and is not thread safe --
* you must make sure this function is not called concurrently.
*
* Flags can be:
* 0: Normal initialize
* LIBSSH2_INIT_NO_CRYPTO: Do not initialize the crypto library (ie.
* OPENSSL_add_cipher_algoritms() for OpenSSL
*
* Returns 0 if succeeded, or a negative value for error.
*/}
{$if not declared(uHVDll)}
function libssh2_init(flags: Integer): Integer; cdecl;
{$else}
var libssh2_init: function(flags: Integer): Integer; cdecl;
{$ifend}
{/*
* libssh2_exit()
*
* Exit the libssh2 functions and free's all memory used internal.
*/}
{$if not declared(uHVDll)}
procedure libssh2_exit; cdecl;
{$else}
var libssh2_exit: procedure; cdecl;
{$ifend}
type
// abstract je void**, tako da pazite!!!!
LIBSSH2_ALLOC_FUNC = function(count: UINT; abstract: Pointer): Pointer; cdecl;
LIBSSH2_REALLOC_FUNC = function(ptr: Pointer; count: UINT; abstract: Pointer): Pointer; cdecl;
LIBSSH2_FREE_FUNC = procedure(ptr: Pointer; abstract: Pointer); cdecl;
{/*
* libssh2_free()
*
* Deallocate memory allocated by earlier call to libssh2 functions.
*/}
{$if not declared(uHVDll)}
procedure libssh2_free(session: PLIBSSH2_SESSION; ptr: Pointer); cdecl;
{$else}
var libssh2_free: procedure(session: PLIBSSH2_SESSION; ptr: Pointer); cdecl;
{$ifend}
{/*
* libssh2_session_supported_algs()
*
* Fills algs with a list of supported acryptographic algorithms. Returns a
* non-negative number (number of supported algorithms) on success or a
* negative number (an eror code) on failure.
*
* NOTE: on success, algs must be deallocated (by calling libssh2_free) when
* not needed anymore
*/}
{$if not declared(uHVDll)}
function libssh2_session_supported_algs(session: PLIBSSH2_SESSION;
method_type: Integer;
var algs: PPAnsiChar): Integer; cdecl;
{$else}
var libssh2_session_supported_algs: function(session: PLIBSSH2_SESSION;
method_type: Integer;
var algs: PPAnsiChar): Integer; cdecl;
{$ifend}
{+// Session API*/ }
{$if not declared(uHVDll)}
function libssh2_session_init_ex(my_alloc: LIBSSH2_ALLOC_FUNC;
my_free: LIBSSH2_FREE_FUNC;
my_realloc: LIBSSH2_REALLOC_FUNC;
abstract: Pointer): PLIBSSH2_SESSION; cdecl;
{$else}
var libssh2_session_init_ex: function(my_alloc: LIBSSH2_ALLOC_FUNC;
my_free: LIBSSH2_FREE_FUNC;
my_realloc: LIBSSH2_REALLOC_FUNC;
abstract: Pointer): PLIBSSH2_SESSION; cdecl;
{$ifend}
function libssh2_session_init: PLIBSSH2_SESSION; {$ifdef allow_inline}inline;{$endif}
//#TEST:
{$IFDEF _TEST_LIBSSH2_}
const C_TEST_LIBSSH2 = True;
{$IFDEF MSWINDOWS}
type
t_libssh2_session_init_ex = function (my_alloc: LIBSSH2_ALLOC_FUNC;
my_free: LIBSSH2_FREE_FUNC;
my_realloc: LIBSSH2_REALLOC_FUNC;
abstract: Pointer): PLIBSSH2_SESSION; cdecl;
var _test_libssh2_session_init_ex: t_libssh2_session_init_ex;
function test_libssh2_session_init_ex(my_alloc: LIBSSH2_ALLOC_FUNC;
my_free: LIBSSH2_FREE_FUNC;
my_realloc: LIBSSH2_REALLOC_FUNC;
abstract: Pointer): PLIBSSH2_SESSION; cdecl;
{$ENDIF MSWINDOWS}
{$ENDIF _TEST_LIBSSH2_}
//#TEST.
{$if not declared(uHVDll)}
function libssh2_session_abstract(session: PLIBSSH2_SESSION): Pointer; cdecl;
{$else}
var libssh2_session_abstract: function(session: PLIBSSH2_SESSION): Pointer; cdecl;
{$ifend}
type
libssh2_cb_generic = procedure cdecl;
t_libssh2_session_callback_set2 = function(session: PLIBSSH2_SESSION;
callback: libssh2_cb_generic): libssh2_cb_generic; cdecl;
{$if not declared(uHVDll)}
{$ifndef allow_delayed}
var _libssh2_session_callback_set2: t_libssh2_session_callback_set2;
{$endif}
function libssh2_session_callback_set2(session: PLIBSSH2_SESSION;
callback: libssh2_cb_generic): libssh2_cb_generic; cdecl;
{$else}
var libssh2_session_callback_set2: t_libssh2_session_callback_set2;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_callback_set(session: PLIBSSH2_SESSION;
cbtype: Integer;
callback: Pointer): Pointer; cdecl;
{$else}
var libssh2_session_callback_set: function(session: PLIBSSH2_SESSION;
cbtype: Integer;
callback: Pointer): Pointer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_banner_set(session: PLIBSSH2_SESSION;
const banner: PAnsiChar): Integer; cdecl;
{$else}
var libssh2_session_banner_set: function(session: PLIBSSH2_SESSION;
const banner: PAnsiChar): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_banner_set(session: PLIBSSH2_SESSION;
const banner: PAnsiChar): Integer; cdecl;
// {$if defined(FPC) or (CompilerVersion >= 24.00)}
// deprecated 'Starting in libssh2 version 1.4.0 this function is considered deprecated. Use libssh2_session_banner_set instead';
// {$ifend}
{$else}
var libssh2_banner_set: function(session: PLIBSSH2_SESSION;
const banner: PAnsiChar): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_banner_get(session: PLIBSSH2_SESSION): PAnsiChar; cdecl;
{$else}
var libssh2_session_banner_get: function(session: PLIBSSH2_SESSION): PAnsiChar; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_handshake(session: PLIBSSH2_SESSION;
sock: TLibssh2Socket): Integer; cdecl;
{$else}
var libssh2_session_handshake: function(session: PLIBSSH2_SESSION;
sock: TLibssh2Socket): Integer; cdecl;
{$ifend}
// deprecated:
//{$if not declared(uHVDll)}
//function libssh2_session_startup(session: PLIBSSH2_SESSION;
// sock: Integer): Integer; cdecl;
// {$if defined(FPC) or (CompilerVersion >= 24.00)}
// deprecated 'Starting in libssh2 version 1.2.8 this function is considered deprecated. Use libssh2_session_handshake instead';
// {$ifend}
//{$else}
//var libssh2_session_startup: function(session: PLIBSSH2_SESSION;
// sock: Integer): Integer; cdecl;
//{$ifend}
function libssh2_session_startup(session: PLIBSSH2_SESSION;
sock: TLibssh2Socket): Integer; cdecl;
//{$if defined(FPC) or (CompilerVersion >= 24.00)}
//deprecated 'Starting in libssh2 version 1.2.8 this function is considered deprecated. Use libssh2_session_handshake instead';
//{$ifend}
// deprecated.
{$if not declared(uHVDll)}
function libssh2_session_disconnect_ex(session: PLIBSSH2_SESSION;
reason: Integer;
const description: PAnsiChar;
const lang: PAnsiChar): Integer; cdecl;
{$else}
var libssh2_session_disconnect_ex: function(session: PLIBSSH2_SESSION;
reason: Integer;
const description: PAnsiChar;
const lang: PAnsiChar): Integer; cdecl;
{$ifend}
function libssh2_session_disconnect(session: PLIBSSH2_SESSION;
const description: PAnsiChar): Integer; {$ifdef allow_inline}inline;{$endif}
{$if not declared(uHVDll)}
function libssh2_session_free(session: PLIBSSH2_SESSION): Integer; cdecl;
{$else}
var libssh2_session_free: function(session: PLIBSSH2_SESSION): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_hostkey_hash(session: PLIBSSH2_SESSION;
hash_type: Integer): PAnsiChar; cdecl;
{$else}
var libssh2_hostkey_hash: function(session: PLIBSSH2_SESSION;
hash_type: Integer): PAnsiChar; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_hostkey(session: PLIBSSH2_SESSION;
var len: size_t;
var _type: Integer): PAnsiChar; cdecl;
{$else}
var libssh2_session_hostkey: function(session: PLIBSSH2_SESSION;
var len: size_t;
var _type: Integer): PAnsiChar; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_method_pref(session: PLIBSSH2_SESSION;
method_type: Integer;
const prefs: PAnsiChar): Integer; cdecl;
{$else}
var libssh2_session_method_pref: function(session: PLIBSSH2_SESSION;
method_type: Integer;
const prefs: PAnsiChar): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_methods(session: PLIBSSH2_SESSION;
method_type: Integer): PAnsiChar; cdecl;
{$else}
var libssh2_session_methods: function(session: PLIBSSH2_SESSION;
method_type: Integer): PAnsiChar; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_last_error(session: PLIBSSH2_SESSION;
var errmsg: PAnsiChar;
var errmsg_len: Integer;
want_buf: Integer): Integer; cdecl;
{$else}
var libssh2_session_last_error: function(session: PLIBSSH2_SESSION;
var errmsg: PAnsiChar;
var errmsg_len: Integer;
want_buf: Integer): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_last_errno(session: PLIBSSH2_SESSION): Integer; cdecl;
{$else}
var libssh2_session_last_errno: function(session: PLIBSSH2_SESSION): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_block_directions(session: PLIBSSH2_SESSION): Integer; cdecl;
{$else}
var libssh2_session_block_directions: function(session: PLIBSSH2_SESSION): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_session_flag(session: PLIBSSH2_SESSION;
flag: Integer;
value: Integer): Integer; cdecl;
{$else}
var libssh2_session_flag: function(session: PLIBSSH2_SESSION;
flag: Integer;
value: Integer): Integer; cdecl;
{$ifend}
{+// Userauth API*/ }
{$if not declared(uHVDll)}
function libssh2_userauth_list(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: UINT): PAnsiChar; cdecl;
{$else}
var libssh2_userauth_list: function(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: UINT): PAnsiChar; cdecl;
{$ifend}
type
t_libssh2_userauth_banner = function(session: PLIBSSH2_SESSION; var newpw: PAnsiChar): Integer; cdecl;
{$if not declared(uHVDll)}
{$ifndef allow_delayed}
var _libssh2_userauth_banner: t_libssh2_userauth_banner;
{$endif}
function libssh2_userauth_banner(session: PLIBSSH2_SESSION; var newpw: PAnsiChar): Integer; cdecl;
{$else}
var libssh2_userauth_banner: t_libssh2_userauth_banner;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_userauth_authenticated(session: PLIBSSH2_SESSION): Integer; cdecl;
{$else}
var libssh2_userauth_authenticated: function(session: PLIBSSH2_SESSION): Integer; cdecl;
{$ifend}
{$if not declared(uHVDll)}
function libssh2_userauth_password_ex(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: Uint;
const password: PAnsiChar;
password_len: Uint;
passwd_change_cb: LIBSSH2_PASSWD_CHANGEREQ_FUNC): Integer; cdecl;
{$else}
var libssh2_userauth_password_ex: function(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: Uint;
const password: PAnsiChar;
password_len: Uint;
passwd_change_cb: LIBSSH2_PASSWD_CHANGEREQ_FUNC): Integer; cdecl;
{$ifend}
function libssh2_userauth_password(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
const password: PAnsiChar): Integer; {$ifdef allow_inline}inline;{$endif}
{$if not declared(uHVDll)}
function libssh2_userauth_publickey_fromfile_ex(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: Uint;
const publickey: PAnsiChar;
const privatekey: PAnsiChar;
const passphrase: PAnsiChar): Integer; cdecl;
{$else}
var libssh2_userauth_publickey_fromfile_ex: function(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: Uint;
const publickey: PAnsiChar;
const privatekey: PAnsiChar;
const passphrase: PAnsiChar): Integer; cdecl;
{$ifend}
function libssh2_userauth_publickey_fromfile(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
const publickey: PAnsiChar;
const privatekey: PAnsiChar;
const passphrase: PAnsiChar): Integer; {$ifdef allow_inline}inline;{$endif}
{$if not declared(uHVDll)}
function libssh2_userauth_hostbased_fromfile_ex(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: Uint;
const publickey: PAnsiChar;
const privatekey: PAnsiChar;
const passphrase: PAnsiChar;
const hostname: PAnsiChar;
hostname_len: UInt;
local_username: PAnsiChar;
local_username_len: UInt): Integer; cdecl;
{$else}
var libssh2_userauth_hostbased_fromfile_ex: function(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: Uint;
const publickey: PAnsiChar;
const privatekey: PAnsiChar;
const passphrase: PAnsiChar;
const hostname: PAnsiChar;
hostname_len: UInt;
local_username: PAnsiChar;
local_username_len: UInt): Integer; cdecl;
{$ifend}
function libssh2_userauth_hostbased_fromfile(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
const publickey: PAnsiChar;
const privatekey: PAnsiChar;
const passphrase: PAnsiChar;
const hostname: PAnsiChar): Integer; {$ifdef allow_inline}inline;{$endif}
{+// }
{-* response_callback is provided with filled by library prompts array, }
{-* but client must allocate and fill individual responses. Responses }
{-* array is already allocated. Responses data will be freed by libssh2 }
{-* after callback return, but before subsequent callback invokation. }
{= }
{$if not declared(uHVDll)}
function libssh2_userauth_keyboard_interactive_ex(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: UInt;
response_callback: LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC): Integer; cdecl;
{$else}
var libssh2_userauth_keyboard_interactive_ex: function(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
username_len: UInt;
response_callback: LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC): Integer; cdecl;
{$ifend}
function libssh2_userauth_keyboard_interactive(session: PLIBSSH2_SESSION;
const username: PAnsiChar;
response_callback: LIBSSH2_USERAUTH_KBDINT_RESPONSE_FUNC): Integer; {$ifdef allow_inline}inline;{$endif}
type
t_libssh2_userauth_publickey_sk = function(session: PLIBSSH2_SESSION;
const username: PAnsiChar; username_len: SIZE_T;
const pubkeydata: PByte; pubkeydata_len: SIZE_T;
const privatekeydata: PAnsiChar; privatekeydata_len: SIZE_T;
const passphrase: PAnsiChar;
callback: LIBSSH2_USERAUTH_SK_SIGN_FUNC;
abstract: Pointer): Integer; cdecl;