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ssl_openssl11_lib.pas
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ssl_openssl11_lib.pas
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{==============================================================================|
| Project : Ararat Synapse | 004.000.000 |
|==============================================================================|
| Content: SSL support by OpenSSL 1.1 |
|==============================================================================|
| Copyright (c)1999-2021, Lukas Gebauer |
| 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 Lukas Gebauer nor the names of its 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 REGENTS 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. |
|==============================================================================|
| The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
| Portions created by Lukas Gebauer are Copyright (c)2002-2021. |
| Portions created by Petr Fejfar are Copyright (c)2011-2012. |
| All Rights Reserved. |
|==============================================================================|
| Contributor(s): |
| Tomas Hajny (OS2 support) |
|==============================================================================|
| History: see HISTORY.HTM from distribution package |
| (Found at URL: http://www.ararat.cz/synapse/) |
|==============================================================================}
{
Special thanks to Gregor Ibic <gregor.ibic@intelicom.si>
(Intelicom d.o.o., http://www.intelicom.si)
for good inspiration about begin with SSL programming.
}
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$H+}
{$IFDEF VER125}
{$DEFINE BCB}
{$ENDIF}
{$IFDEF BCB}
{$ObjExportAll On}
(*$HPPEMIT 'namespace ssl_openssl_lib { using System::Shortint; }' *)
{$ENDIF}
//old Delphi does not have MSWINDOWS define.
{$IFDEF WIN32}
{$IFNDEF MSWINDOWS}
{$DEFINE MSWINDOWS}
{$ENDIF}
{$ENDIF}
{:@abstract(OpenSSL support)
This unit is Pascal interface to OpenSSL library (used by @link(ssl_openssl) unit).
OpenSSL 1.1 is loaded dynamicly on-demand. If this library is not found in system,
requested OpenSSL function just return errorcode.
}
unit ssl_openssl11_lib;
interface
uses
Classes,
synafpc,
{$IFNDEF MSWINDOWS}
{$IFDEF FPC}
{$IFDEF UNIX}
BaseUnix,
{$ENDIF UNIX}
{$ELSE}
{$IFDEF POSIX}
{$ELSE}
Libc,
{$ENDIF}
{$ENDIF}
SysUtils;
{$ELSE}
Windows;
{$ENDIF}
var
{$IFNDEF MSWINDOWS}
{$IFDEF DARWIN}
DLLSSLName: string = 'libssl.dylib';
DLLUtilName: string = 'libcrypto.dylib';
{$ELSE}
{$IFDEF OS2}
{$IFDEF OS2GCC}
DLLSSLName: string = 'kssl.dll';
DLLUtilName: string = 'kcrypto.dll';
{$ELSE OS2GCC}
DLLSSLName: string = 'ssl.dll';
DLLUtilName: string = 'crypto.dll';
{$ENDIF OS2GCC}
{$ELSE OS2} //linux
DLLSSLName: string = 'libssl.so.1.1';
DLLUtilName: string = 'libcrypto.so.1.1';
{$ENDIF OS2}
{$ENDIF}
{$ELSE}
{$IFDEF WIN64}
DLLSSLName: string = 'libssl-1_1-x64.dll';
DLLUtilName: string = 'libcrypto-1_1-x64.dll';
{$ELSE}
DLLSSLName: string = 'libssl-1_1.dll';
DLLUtilName: string = 'libcrypto-1_1.dll';
{$ENDIF}
{$ENDIF}
type
SslPtr = Pointer;
PSslPtr = ^SslPtr;
PSSL_CTX = SslPtr;
PSSL = SslPtr;
PSSL_METHOD = SslPtr;
PX509 = SslPtr;
PX509_NAME = SslPtr;
PX509_STORE = Pointer;
PEVP_MD = SslPtr;
PInteger = ^Integer;
PBIO_METHOD = SslPtr;
PBIO = SslPtr;
EVP_PKEY = SslPtr;
PRSA = SslPtr;
PASN1_UTCTIME = SslPtr;
PASN1_INTEGER = SslPtr;
PPasswdCb = SslPtr;
PFunction = procedure;
PSTACK = SslPtr; {pf}
TSkPopFreeFunc = procedure(p:SslPtr); cdecl; {pf}
TX509Free = procedure(x: PX509); cdecl; {pf}
DES_cblock = array[0..7] of Byte;
PDES_cblock = ^DES_cblock;
des_ks_struct = packed record
ks: DES_cblock;
weak_key: Integer;
end;
des_key_schedule = array[1..16] of des_ks_struct;
const
EVP_MAX_MD_SIZE = 16 + 20;
SSL_ERROR_NONE = 0;
SSL_ERROR_SSL = 1;
SSL_ERROR_WANT_READ = 2;
SSL_ERROR_WANT_WRITE = 3;
SSL_ERROR_WANT_X509_LOOKUP = 4;
SSL_ERROR_SYSCALL = 5; //look at error stack/return value/errno
SSL_ERROR_ZERO_RETURN = 6;
SSL_ERROR_WANT_CONNECT = 7;
SSL_ERROR_WANT_ACCEPT = 8;
SSL_OP_NO_SSLv2 = $01000000;
SSL_OP_NO_SSLv3 = $02000000;
SSL_OP_NO_TLSv1 = $04000000;
SSL_OP_ALL = $000FFFFF;
SSL_VERIFY_NONE = $00;
SSL_VERIFY_PEER = $01;
OPENSSL_DES_DECRYPT = 0;
OPENSSL_DES_ENCRYPT = 1;
X509_V_OK = 0;
X509_V_ILLEGAL = 1;
X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT = 2;
X509_V_ERR_UNABLE_TO_GET_CRL = 3;
X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE = 4;
X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE = 5;
X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY = 6;
X509_V_ERR_CERT_SIGNATURE_FAILURE = 7;
X509_V_ERR_CRL_SIGNATURE_FAILURE = 8;
X509_V_ERR_CERT_NOT_YET_VALID = 9;
X509_V_ERR_CERT_HAS_EXPIRED = 10;
X509_V_ERR_CRL_NOT_YET_VALID = 11;
X509_V_ERR_CRL_HAS_EXPIRED = 12;
X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD = 13;
X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD = 14;
X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD = 15;
X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD = 16;
X509_V_ERR_OUT_OF_MEM = 17;
X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT = 18;
X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN = 19;
X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY = 20;
X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE = 21;
X509_V_ERR_CERT_CHAIN_TOO_LONG = 22;
X509_V_ERR_CERT_REVOKED = 23;
X509_V_ERR_INVALID_CA = 24;
X509_V_ERR_PATH_LENGTH_EXCEEDED = 25;
X509_V_ERR_INVALID_PURPOSE = 26;
X509_V_ERR_CERT_UNTRUSTED = 27;
X509_V_ERR_CERT_REJECTED = 28;
//These are 'informational' when looking for issuer cert
X509_V_ERR_SUBJECT_ISSUER_MISMATCH = 29;
X509_V_ERR_AKID_SKID_MISMATCH = 30;
X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH = 31;
X509_V_ERR_KEYUSAGE_NO_CERTSIGN = 32;
X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER = 33;
X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION = 34;
//The application is not happy
X509_V_ERR_APPLICATION_VERIFICATION = 50;
SSL_FILETYPE_ASN1 = 2;
SSL_FILETYPE_PEM = 1;
EVP_PKEY_RSA = 6;
SSL_CTRL_SET_TLSEXT_HOSTNAME = 55;
TLSEXT_NAMETYPE_host_name = 0;
TLS1_VERSION = $0301;
TLS1_1_VERSION = $0302;
TLS1_2_VERSION = $0303;
TLS1_3_VERSION = $0304;
var
SSLLibHandle: TLibHandle = 0;
SSLUtilHandle: TLibHandle = 0;
SSLLibFile: string = '';
SSLUtilFile: string = '';
// libssl.dll
function SslGetError(s: PSSL; ret_code: Integer):Integer;
// function SslCtxSetCipherList(arg0: PSSL_CTX; str: PChar):Integer;
function SslCtxSetCipherList(arg0: PSSL_CTX; var str: AnsiString):Integer;
function SslCtxNew(meth: PSSL_METHOD):PSSL_CTX;
procedure SslCtxFree(arg0: PSSL_CTX);
function SslSetFd(s: PSSL; fd: Integer):Integer;
function SslMethodTLS:PSSL_METHOD;
function SslCtxUsePrivateKey(ctx: PSSL_CTX; pkey: SslPtr):Integer;
function SslCtxUsePrivateKeyASN1(pk: integer; ctx: PSSL_CTX; d: AnsiString; len: integer):Integer;
// function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: PChar; _type: Integer):Integer;
function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: AnsiString; _type: Integer):Integer;
function SslCtxUseCertificate(ctx: PSSL_CTX; x: SslPtr):Integer;
function SslCtxUseCertificateASN1(ctx: PSSL_CTX; len: integer; d: AnsiString):Integer;
function SslCtxUseCertificateFile(ctx: PSSL_CTX; const _file: AnsiString; _type: Integer):Integer;
// function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: PChar):Integer;
function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: AnsiString):Integer;
function SslCtxCheckPrivateKeyFile(ctx: PSSL_CTX):Integer;
procedure SslCtxSetDefaultPasswdCb(ctx: PSSL_CTX; cb: PPasswdCb);
procedure SslCtxSetDefaultPasswdCbUserdata(ctx: PSSL_CTX; u: SslPtr);
// function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; const CAfile: PChar; const CApath: PChar):Integer;
function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; const CAfile: AnsiString; const CApath: AnsiString):Integer;
function SslCtxCtrl(ctx: PSSL_CTX; cmd: integer; larg: integer; parg: SslPtr): integer;
function SslCtxSetMinProtoVersion(ctx: PSSL_CTX; version: integer): integer;
function SslCtxSetMaxProtoVersion(ctx: PSSL_CTX; version: integer): integer;
function SslNew(ctx: PSSL_CTX):PSSL;
procedure SslFree(ssl: PSSL);
function SslAccept(ssl: PSSL):Integer;
function SslConnect(ssl: PSSL):Integer;
function SslShutdown(ssl: PSSL):Integer;
function SslRead(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
function SslPeek(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
function SslWrite(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
function SslPending(ssl: PSSL):Integer;
function SslGetVersion(ssl: PSSL):AnsiString;
function SslGetPeerCertificate(ssl: PSSL):PX509;
procedure SslCtxSetVerify(ctx: PSSL_CTX; mode: Integer; arg2: PFunction);
function SSLGetCurrentCipher(s: PSSL):SslPtr;
function SSLCipherGetName(c: SslPtr): AnsiString;
function SSLCipherGetBits(c: SslPtr; var alg_bits: Integer):Integer;
function SSLGetVerifyResult(ssl: PSSL):Integer;
function SSLCtrl(ssl: PSSL; cmd: integer; larg: integer; parg: SslPtr):Integer;
// libeay.dll
function X509New: PX509;
procedure X509Free(x: PX509);
function X509NameOneline(a: PX509_NAME; var buf: AnsiString; size: Integer):AnsiString;
function X509GetSubjectName(a: PX509):PX509_NAME;
function X509GetIssuerName(a: PX509):PX509_NAME;
function X509NameHash(x: PX509_NAME):Cardinal;
// function SslX509Digest(data: PX509; _type: PEVP_MD; md: PChar; len: PInteger):Integer;
function X509Digest(data: PX509; _type: PEVP_MD; md: AnsiString; var len: Integer):Integer;
function X509print(b: PBIO; a: PX509): integer;
function X509SetVersion(x: PX509; version: integer): integer;
function X509SetPubkey(x: PX509; pkey: EVP_PKEY): integer;
function X509SetIssuerName(x: PX509; name: PX509_NAME): integer;
function X509NameAddEntryByTxt(name: PX509_NAME; field: Ansistring; _type: integer;
bytes: Ansistring; len, loc, _set: integer): integer;
function X509Sign(x: PX509; pkey: EVP_PKEY; const md: PEVP_MD): integer;
function X509GmtimeAdj(s: PASN1_UTCTIME; adj: integer): PASN1_UTCTIME;
function X509SetNotBefore(x: PX509; tm: PASN1_UTCTIME): integer;
function X509SetNotAfter(x: PX509; tm: PASN1_UTCTIME): integer;
function X509GetSerialNumber(x: PX509): PASN1_INTEGER;
function EvpPkeyNew: EVP_PKEY;
procedure EvpPkeyFree(pk: EVP_PKEY);
function EvpPkeyAssign(pkey: EVP_PKEY; _type: integer; key: Prsa): integer;
function EvpGetDigestByName(Name: AnsiString): PEVP_MD;
// function ErrErrorString(e: integer; buf: PChar): PChar;
function OpenSSLversion(t: integer): Ansistring;
procedure ErrErrorString(e: integer; var buf: Ansistring; len: integer);
function ErrGetError: integer;
procedure ErrClearError;
function BioNew(b: PBIO_METHOD): PBIO;
procedure BioFreeAll(b: PBIO);
function BioSMem: PBIO_METHOD;
function BioCtrlPending(b: PBIO): integer;
function BioRead(b: PBIO; var Buf: AnsiString; Len: integer): integer;
function BioWrite(b: PBIO; Buf: AnsiString; Len: integer): integer;
function d2iPKCS12bio(b:PBIO; Pkcs12: SslPtr): SslPtr;
function PKCS12parse(p12: SslPtr; pass: Ansistring; var pkey, cert, ca: SslPtr): integer;
procedure PKCS12free(p12: SslPtr);
function RsaGenerateKey(bits, e: integer; callback: PFunction; cb_arg: SslPtr): PRSA;
function Asn1UtctimeNew: PASN1_UTCTIME;
procedure Asn1UtctimeFree(a: PASN1_UTCTIME);
function Asn1IntegerSet(a: PASN1_INTEGER; v: integer): integer;
function Asn1IntegerGet(a: PASN1_INTEGER): integer; {pf}
function i2dX509bio(b: PBIO; x: PX509): integer;
function d2iX509bio(b:PBIO; x:PX509): PX509; {pf}
function PEMReadBioX509(b:PBIO; {var x:PX509;}x:PSslPtr; callback:PFunction; cb_arg: SslPtr): PX509; {pf}
procedure SkX509PopFree(st: PSTACK; func: TSkPopFreeFunc); {pf}
function OPENSSL_sk_num(Stack: PSTACK): Integer;
function OPENSSL_sk_value(Stack: PSTACK; Item: Integer): PAnsiChar;
function X509_STORE_add_cert(Store: PX509_STORE; Cert: PX509): Integer;
function SSL_CTX_get_cert_store(const Ctx: PSSL_CTX): PX509_STORE;
function i2dPrivateKeyBio(b: PBIO; pkey: EVP_PKEY): integer;
// 3DES functions
procedure DESsetoddparity(Key: des_cblock);
function DESsetkeychecked(key: des_cblock; schedule: des_key_schedule): Integer;
procedure DESecbencrypt(Input: des_cblock; output: des_cblock; ks: des_key_schedule; enc: Integer);
function IsSSLloaded: Boolean;
function InitSSLInterface: Boolean;
function DestroySSLInterface: Boolean;
var
_X509Free: TX509Free = nil; {pf}
implementation
uses
{$IFDEF OS2}
Sockets,
{$ENDIF OS2}
SyncObjs;
type
// libssl.dll
TSslGetError = function(s: PSSL; ret_code: Integer):Integer; cdecl;
TSslCtxSetCipherList = function(arg0: PSSL_CTX; str: PAnsiChar):Integer; cdecl;
TSslCtxNew = function(meth: PSSL_METHOD):PSSL_CTX; cdecl;
TSslCtxFree = procedure(arg0: PSSL_CTX); cdecl;
TSslSetFd = function(s: PSSL; fd: Integer):Integer; cdecl;
TSslMethodTLS = function:PSSL_METHOD; cdecl;
TSslCtxUsePrivateKey = function(ctx: PSSL_CTX; pkey: sslptr):Integer; cdecl;
TSslCtxUsePrivateKeyASN1 = function(pk: integer; ctx: PSSL_CTX; d: sslptr; len: integer):Integer; cdecl;
TSslCtxUsePrivateKeyFile = function(ctx: PSSL_CTX; const _file: PAnsiChar; _type: Integer):Integer; cdecl;
TSslCtxUseCertificate = function(ctx: PSSL_CTX; x: SslPtr):Integer; cdecl;
TSslCtxUseCertificateASN1 = function(ctx: PSSL_CTX; len: Integer; d: SslPtr):Integer; cdecl;
TSslCtxUseCertificateFile = function(ctx: PSSL_CTX; const _file: PAnsiChar; _type: Integer):Integer; cdecl;
TSslCtxUseCertificateChainFile = function(ctx: PSSL_CTX; const _file: PAnsiChar):Integer; cdecl;
TSslCtxCheckPrivateKeyFile = function(ctx: PSSL_CTX):Integer; cdecl;
TSslCtxSetDefaultPasswdCb = procedure(ctx: PSSL_CTX; cb: SslPtr); cdecl;
TSslCtxSetDefaultPasswdCbUserdata = procedure(ctx: PSSL_CTX; u: SslPtr); cdecl;
TSslCtxLoadVerifyLocations = function(ctx: PSSL_CTX; const CAfile: PAnsiChar; const CApath: PAnsiChar):Integer; cdecl;
TSslCtxCtrl = function(ctx: PSSL_CTX; cmd: integer; larg: integer; parg: SslPtr): integer; cdecl;
TSslCtxSetMinProtoVersion = function(ctx: PSSL_CTX; version: integer): integer; cdecl;
TSslCtxSetMaxProtoVersion = function(ctx: PSSL_CTX; version: integer): integer; cdecl;
TSslNew = function(ctx: PSSL_CTX):PSSL; cdecl;
TSslFree = procedure(ssl: PSSL); cdecl;
TSslAccept = function(ssl: PSSL):Integer; cdecl;
TSslConnect = function(ssl: PSSL):Integer; cdecl;
TSslShutdown = function(ssl: PSSL):Integer; cdecl;
TSslRead = function(ssl: PSSL; buf: PAnsiChar; num: Integer):Integer; cdecl;
TSslPeek = function(ssl: PSSL; buf: PAnsiChar; num: Integer):Integer; cdecl;
TSslWrite = function(ssl: PSSL; const buf: PAnsiChar; num: Integer):Integer; cdecl;
TSslPending = function(ssl: PSSL):Integer; cdecl;
TSslGetVersion = function(ssl: PSSL):PAnsiChar; cdecl;
TSslGetPeerCertificate = function(ssl: PSSL):PX509; cdecl;
TSslCtxSetVerify = procedure(ctx: PSSL_CTX; mode: Integer; arg2: SslPtr); cdecl;
TSSLGetCurrentCipher = function(s: PSSL):SslPtr; cdecl;
TSSLCipherGetName = function(c: Sslptr):PAnsiChar; cdecl;
TSSLCipherGetBits = function(c: SslPtr; alg_bits: PInteger):Integer; cdecl;
TSSLGetVerifyResult = function(ssl: PSSL):Integer; cdecl;
TSSLCtrl = function(ssl: PSSL; cmd: integer; larg: integer; parg: SslPtr):Integer; cdecl;
TSSLSetTlsextHostName = function(ssl: PSSL; buf: PAnsiChar):Integer; cdecl;
// libeay.dll
TOPENSSL_sk_new_null = function: PSTACK; cdecl;
TOPENSSL_sk_num = function(Stack: PSTACK): Integer; cdecl;
TOPENSSL_sk_value = function(Stack: PSTACK; Item: Integer): PAnsiChar; cdecl;
TOPENSSL_sk_free = procedure(Stack: PSTACK); cdecl;
TOPENSSL_sk_insert = function(Stack: PSTACK; Data: PAnsiChar; Index: Integer): Integer; cdecl;
TX509_dup = function(X: PX509): PX509; cdecl;
TSSL_CTX_get_cert_store = function(const Ctx: PSSL_CTX): PX509_STORE;cdecl;
TX509_STORE_add_cert = function(Store: PX509_STORE; Cert: PX509): Integer; cdecl;
TX509New = function: PX509; cdecl;
TX509NameOneline = function(a: PX509_NAME; buf: PAnsiChar; size: Integer):PAnsiChar; cdecl;
TX509GetSubjectName = function(a: PX509):PX509_NAME; cdecl;
TX509GetIssuerName = function(a: PX509):PX509_NAME; cdecl;
TX509NameHash = function(x: PX509_NAME):Cardinal; cdecl;
TX509Digest = function(data: PX509; _type: PEVP_MD; md: PAnsiChar; len: PInteger):Integer; cdecl;
TX509print = function(b: PBIO; a: PX509): integer; cdecl;
TX509SetVersion = function(x: PX509; version: integer): integer; cdecl;
TX509SetPubkey = function(x: PX509; pkey: EVP_PKEY): integer; cdecl;
TX509SetIssuerName = function(x: PX509; name: PX509_NAME): integer; cdecl;
TX509NameAddEntryByTxt = function(name: PX509_NAME; field: PAnsiChar; _type: integer;
bytes: PAnsiChar; len, loc, _set: integer): integer; cdecl;
TX509Sign = function(x: PX509; pkey: EVP_PKEY; const md: PEVP_MD): integer; cdecl;
TX509GmtimeAdj = function(s: PASN1_UTCTIME; adj: integer): PASN1_UTCTIME; cdecl;
TX509SetNotBefore = function(x: PX509; tm: PASN1_UTCTIME): integer; cdecl;
TX509SetNotAfter = function(x: PX509; tm: PASN1_UTCTIME): integer; cdecl;
TX509GetSerialNumber = function(x: PX509): PASN1_INTEGER; cdecl;
TEvpPkeyNew = function: EVP_PKEY; cdecl;
TEvpPkeyFree = procedure(pk: EVP_PKEY); cdecl;
TEvpPkeyAssign = function(pkey: EVP_PKEY; _type: integer; key: Prsa): integer; cdecl;
TEvpGetDigestByName = function(Name: PAnsiChar): PEVP_MD; cdecl;
TOpenSSLversion = function(t: integer): PAnsiChar; cdecl;
TErrErrorString = procedure(e: integer; buf: PAnsiChar; len: integer); cdecl;
TErrGetError = function: integer; cdecl;
TErrClearError = procedure; cdecl;
TBioNew = function(b: PBIO_METHOD): PBIO; cdecl;
TBioFreeAll = procedure(b: PBIO); cdecl;
TBioSMem = function: PBIO_METHOD; cdecl;
TBioCtrlPending = function(b: PBIO): integer; cdecl;
TBioRead = function(b: PBIO; Buf: PAnsiChar; Len: integer): integer; cdecl;
TBioWrite = function(b: PBIO; Buf: PAnsiChar; Len: integer): integer; cdecl;
Td2iPKCS12bio = function(b:PBIO; Pkcs12: SslPtr): SslPtr; cdecl;
TPKCS12parse = function(p12: SslPtr; pass: PAnsiChar; var pkey, cert, ca: SslPtr): integer; cdecl;
TPKCS12free = procedure(p12: SslPtr); cdecl;
TRsaGenerateKey = function(bits, e: integer; callback: PFunction; cb_arg: SslPtr): PRSA; cdecl;
TAsn1UtctimeNew = function: PASN1_UTCTIME; cdecl;
TAsn1UtctimeFree = procedure(a: PASN1_UTCTIME); cdecl;
TAsn1IntegerSet = function(a: PASN1_INTEGER; v: integer): integer; cdecl;
TAsn1IntegerGet = function(a: PASN1_INTEGER): integer; cdecl; {pf}
Ti2dX509bio = function(b: PBIO; x: PX509): integer; cdecl;
Td2iX509bio = function(b:PBIO; x:PX509): PX509; cdecl; {pf}
TPEMReadBioX509 = function(b:PBIO; {var x:PX509;}x:PSslPtr; callback:PFunction; cb_arg:SslPtr): PX509; cdecl; {pf}
TSkX509PopFree = procedure(st: PSTACK; func: TSkPopFreeFunc); cdecl; {pf}
Ti2dPrivateKeyBio= function(b: PBIO; pkey: EVP_PKEY): integer; cdecl;
// 3DES functions
TDESsetoddparity = procedure(Key: des_cblock); cdecl;
TDESsetkeychecked = function(key: des_cblock; schedule: des_key_schedule): Integer; cdecl;
TDESecbencrypt = procedure(Input: des_cblock; output: des_cblock; ks: des_key_schedule; enc: Integer); cdecl;
var
// libssl.dll
_SslGetError: TSslGetError = nil;
_SslCtxSetCipherList: TSslCtxSetCipherList = nil;
_SslCtxNew: TSslCtxNew = nil;
_SslCtxFree: TSslCtxFree = nil;
_SslSetFd: TSslSetFd = nil;
_SslMethodTLS: TSslMethodTLS = nil;
_SslCtxUsePrivateKey: TSslCtxUsePrivateKey = nil;
_SslCtxUsePrivateKeyASN1: TSslCtxUsePrivateKeyASN1 = nil;
_SslCtxUsePrivateKeyFile: TSslCtxUsePrivateKeyFile = nil;
_SslCtxUseCertificate: TSslCtxUseCertificate = nil;
_SslCtxUseCertificateASN1: TSslCtxUseCertificateASN1 = nil;
_SslCtxUseCertificateFile: TSslCtxUseCertificateFile = nil;
_SslCtxUseCertificateChainFile: TSslCtxUseCertificateChainFile = nil;
_SslCtxCheckPrivateKeyFile: TSslCtxCheckPrivateKeyFile = nil;
_SslCtxSetDefaultPasswdCb: TSslCtxSetDefaultPasswdCb = nil;
_SslCtxSetDefaultPasswdCbUserdata: TSslCtxSetDefaultPasswdCbUserdata = nil;
_SslCtxLoadVerifyLocations: TSslCtxLoadVerifyLocations = nil;
_SslCtxCtrl: TSslCtxCtrl = nil;
_SslNew: TSslNew = nil;
_SslFree: TSslFree = nil;
_SslAccept: TSslAccept = nil;
_SslConnect: TSslConnect = nil;
_SslShutdown: TSslShutdown = nil;
_SslRead: TSslRead = nil;
_SslPeek: TSslPeek = nil;
_SslWrite: TSslWrite = nil;
_SslPending: TSslPending = nil;
_SslGetVersion: TSslGetVersion = nil;
_SslGetPeerCertificate: TSslGetPeerCertificate = nil;
_SslCtxSetVerify: TSslCtxSetVerify = nil;
_SSLGetCurrentCipher: TSSLGetCurrentCipher = nil;
_SSLCipherGetName: TSSLCipherGetName = nil;
_SSLCipherGetBits: TSSLCipherGetBits = nil;
_SSLGetVerifyResult: TSSLGetVerifyResult = nil;
_SSLCtrl: TSSLCtrl = nil;
_SslCtxSetMinProtoVersion: TSslCtxSetMinProtoVersion = nil;
_SslCtxSetMaxProtoVersion: TSslCtxSetMaxProtoVersion = nil;
// libeay.dll
_OPENSSL_sk_new_null: TOPENSSL_sk_new_null = nil;
_OPENSSL_sk_num: TOPENSSL_sk_num = nil;
_OPENSSL_sk_value: TOPENSSL_sk_value = nil;
_OPENSSL_sk_free: TOPENSSL_sk_free = nil;
_OPENSSL_sk_insert: TOPENSSL_sk_insert = nil;
_SSL_CTX_get_cert_store : TSSL_CTX_get_cert_store = nil;
_X509_STORE_add_cert : TX509_STORE_add_cert = nil;
_X509New: TX509New = nil;
_X509NameOneline: TX509NameOneline = nil;
_X509GetSubjectName: TX509GetSubjectName = nil;
_X509GetIssuerName: TX509GetIssuerName = nil;
_X509NameHash: TX509NameHash = nil;
_X509Digest: TX509Digest = nil;
_X509print: TX509print = nil;
_X509SetVersion: TX509SetVersion = nil;
_X509SetPubkey: TX509SetPubkey = nil;
_X509SetIssuerName: TX509SetIssuerName = nil;
_X509NameAddEntryByTxt: TX509NameAddEntryByTxt = nil;
_X509Sign: TX509Sign = nil;
_X509GmtimeAdj: TX509GmtimeAdj = nil;
_X509SetNotBefore: TX509SetNotBefore = nil;
_X509SetNotAfter: TX509SetNotAfter = nil;
_X509GetSerialNumber: TX509GetSerialNumber = nil;
_EvpPkeyNew: TEvpPkeyNew = nil;
_EvpPkeyFree: TEvpPkeyFree = nil;
_EvpPkeyAssign: TEvpPkeyAssign = nil;
_EvpGetDigestByName: TEvpGetDigestByName = nil;
_OpenSSLversion: TOpenSSLversion = nil;
_ErrErrorString: TErrErrorString = nil;
_ErrGetError: TErrGetError = nil;
_ErrClearError: TErrClearError = nil;
_BioNew: TBioNew = nil;
_BioFreeAll: TBioFreeAll = nil;
_BioSMem: TBioSMem = nil;
_BioCtrlPending: TBioCtrlPending = nil;
_BioRead: TBioRead = nil;
_BioWrite: TBioWrite = nil;
_d2iPKCS12bio: Td2iPKCS12bio = nil;
_PKCS12parse: TPKCS12parse = nil;
_PKCS12free: TPKCS12free = nil;
_RsaGenerateKey: TRsaGenerateKey = nil;
_Asn1UtctimeNew: TAsn1UtctimeNew = nil;
_Asn1UtctimeFree: TAsn1UtctimeFree = nil;
_Asn1IntegerSet: TAsn1IntegerSet = nil;
_Asn1IntegerGet: TAsn1IntegerGet = nil; {pf}
_i2dX509bio: Ti2dX509bio = nil;
_d2iX509bio: Td2iX509bio = nil; {pf}
_PEMReadBioX509: TPEMReadBioX509 = nil; {pf}
_SkX509PopFree: TSkX509PopFree = nil; {pf}
_i2dPrivateKeyBio: Ti2dPrivateKeyBio = nil;
// 3DES functions
_DESsetoddparity: TDESsetoddparity = nil;
_DESsetkeychecked: TDESsetkeychecked = nil;
_DESecbencrypt: TDESecbencrypt = nil;
var
SSLCS: TCriticalSection;
SSLloaded: boolean = false;
// libssl.dll
function SslGetError(s: PSSL; ret_code: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslGetError) then
Result := _SslGetError(s, ret_code)
else
Result := SSL_ERROR_SSL;
end;
//function SslCtxSetCipherList(arg0: PSSL_CTX; str: PChar):Integer;
function SslCtxSetCipherList(arg0: PSSL_CTX; var str: AnsiString):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxSetCipherList) then
Result := _SslCtxSetCipherList(arg0, PAnsiChar(str))
else
Result := 0;
end;
function SslCtxNew(meth: PSSL_METHOD):PSSL_CTX;
begin
if InitSSLInterface and Assigned(_SslCtxNew) then
Result := _SslCtxNew(meth)
else
Result := nil;
end;
procedure SslCtxFree(arg0: PSSL_CTX);
begin
if InitSSLInterface and Assigned(_SslCtxFree) then
_SslCtxFree(arg0);
end;
function SslSetFd(s: PSSL; fd: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslSetFd) then
Result := _SslSetFd(s, fd)
else
Result := 0;
end;
function SslMethodTLS:PSSL_METHOD;
begin
if InitSSLInterface and Assigned(_SslMethodTLS) then
Result := _SslMethodTLS
else
Result := nil;
end;
function SslCtxUsePrivateKey(ctx: PSSL_CTX; pkey: SslPtr):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUsePrivateKey) then
Result := _SslCtxUsePrivateKey(ctx, pkey)
else
Result := 0;
end;
function SslCtxUsePrivateKeyASN1(pk: integer; ctx: PSSL_CTX; d: AnsiString; len: integer):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUsePrivateKeyASN1) then
Result := _SslCtxUsePrivateKeyASN1(pk, ctx, Sslptr(d), len)
else
Result := 0;
end;
//function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: PChar; _type: Integer):Integer;
function SslCtxUsePrivateKeyFile(ctx: PSSL_CTX; const _file: AnsiString; _type: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUsePrivateKeyFile) then
Result := _SslCtxUsePrivateKeyFile(ctx, PAnsiChar(_file), _type)
else
Result := 0;
end;
function SslCtxUseCertificate(ctx: PSSL_CTX; x: SslPtr):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUseCertificate) then
Result := _SslCtxUseCertificate(ctx, x)
else
Result := 0;
end;
function SslCtxUseCertificateASN1(ctx: PSSL_CTX; len: integer; d: AnsiString):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUseCertificateASN1) then
Result := _SslCtxUseCertificateASN1(ctx, len, SslPtr(d))
else
Result := 0;
end;
function SslCtxUseCertificateFile(ctx: PSSL_CTX; const _file: AnsiString; _type: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUseCertificateFile) then
Result := _SslCtxUseCertificateFile(ctx, PAnsiChar(_file), _type)
else
Result := 0;
end;
//function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: PChar):Integer;
function SslCtxUseCertificateChainFile(ctx: PSSL_CTX; const _file: AnsiString):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxUseCertificateChainFile) then
Result := _SslCtxUseCertificateChainFile(ctx, PAnsiChar(_file))
else
Result := 0;
end;
function SslCtxCheckPrivateKeyFile(ctx: PSSL_CTX):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxCheckPrivateKeyFile) then
Result := _SslCtxCheckPrivateKeyFile(ctx)
else
Result := 0;
end;
procedure SslCtxSetDefaultPasswdCb(ctx: PSSL_CTX; cb: PPasswdCb);
begin
if InitSSLInterface and Assigned(_SslCtxSetDefaultPasswdCb) then
_SslCtxSetDefaultPasswdCb(ctx, cb);
end;
procedure SslCtxSetDefaultPasswdCbUserdata(ctx: PSSL_CTX; u: SslPtr);
begin
if InitSSLInterface and Assigned(_SslCtxSetDefaultPasswdCbUserdata) then
_SslCtxSetDefaultPasswdCbUserdata(ctx, u);
end;
//function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; const CAfile: PChar; const CApath: PChar):Integer;
function SslCtxLoadVerifyLocations(ctx: PSSL_CTX; const CAfile: AnsiString; const CApath: AnsiString):Integer;
begin
if InitSSLInterface and Assigned(_SslCtxLoadVerifyLocations) then
Result := _SslCtxLoadVerifyLocations(ctx, SslPtr(CAfile), SslPtr(CApath))
else
Result := 0;
end;
function SslCtxCtrl(ctx: PSSL_CTX; cmd: integer; larg: integer; parg: SslPtr): integer;
begin
if InitSSLInterface and Assigned(_SslCtxCtrl) then
Result := _SslCtxCtrl(ctx, cmd, larg, parg)
else
Result := 0;
end;
function SslCtxSetMinProtoVersion(ctx: PSSL_CTX; version: integer): integer;
begin
if InitSSLInterface and Assigned(_SslCtxSetMinProtoVersion) then
Result := _SslCtxSetMinProtoVersion(ctx, version)
else
Result := 0;
end;
function SslCtxSetMaxProtoVersion(ctx: PSSL_CTX; version: integer): integer;
begin
if InitSSLInterface and Assigned(_SslCtxSetMaxProtoVersion) then
Result := _SslCtxSetMaxProtoVersion(ctx, version)
else
Result := 0;
end;
function SslNew(ctx: PSSL_CTX):PSSL;
begin
if InitSSLInterface and Assigned(_SslNew) then
Result := _SslNew(ctx)
else
Result := nil;
end;
procedure SslFree(ssl: PSSL);
begin
if InitSSLInterface and Assigned(_SslFree) then
_SslFree(ssl);
end;
function SslAccept(ssl: PSSL):Integer;
begin
if InitSSLInterface and Assigned(_SslAccept) then
Result := _SslAccept(ssl)
else
Result := -1;
end;
function SslConnect(ssl: PSSL):Integer;
begin
if InitSSLInterface and Assigned(_SslConnect) then
Result := _SslConnect(ssl)
else
Result := -1;
end;
function SslShutdown(ssl: PSSL):Integer;
begin
if InitSSLInterface and Assigned(_SslShutdown) then
Result := _SslShutdown(ssl)
else
Result := -1;
end;
//function SslRead(ssl: PSSL; buf: PChar; num: Integer):Integer;
function SslRead(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslRead) then
Result := _SslRead(ssl, PAnsiChar(buf), num)
else
Result := -1;
end;
//function SslPeek(ssl: PSSL; buf: PChar; num: Integer):Integer;
function SslPeek(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslPeek) then
Result := _SslPeek(ssl, PAnsiChar(buf), num)
else
Result := -1;
end;
//function SslWrite(ssl: PSSL; const buf: PChar; num: Integer):Integer;
function SslWrite(ssl: PSSL; buf: SslPtr; num: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SslWrite) then
Result := _SslWrite(ssl, PAnsiChar(buf), num)
else
Result := -1;
end;
function SslPending(ssl: PSSL):Integer;
begin
if InitSSLInterface and Assigned(_SslPending) then
Result := _SslPending(ssl)
else
Result := 0;
end;
//function SslGetVersion(ssl: PSSL):PChar;
function SslGetVersion(ssl: PSSL):AnsiString;
begin
if InitSSLInterface and Assigned(_SslGetVersion) then
Result := _SslGetVersion(ssl)
else
Result := '';
end;
function SslGetPeerCertificate(ssl: PSSL):PX509;
begin
if InitSSLInterface and Assigned(_SslGetPeerCertificate) then
Result := _SslGetPeerCertificate(ssl)
else
Result := nil;
end;
//procedure SslCtxSetVerify(ctx: PSSL_CTX; mode: Integer; arg2: SslPtr);
procedure SslCtxSetVerify(ctx: PSSL_CTX; mode: Integer; arg2: PFunction);
begin
if InitSSLInterface and Assigned(_SslCtxSetVerify) then
_SslCtxSetVerify(ctx, mode, @arg2);
end;
function SSLGetCurrentCipher(s: PSSL):SslPtr;
begin
if InitSSLInterface and Assigned(_SSLGetCurrentCipher) then
Result := _SSLGetCurrentCipher(s)
else
Result := nil;
end;
//function SSLCipherGetName(c: SslPtr):PChar;
function SSLCipherGetName(c: SslPtr):AnsiString;
begin
if InitSSLInterface and Assigned(_SSLCipherGetName) then
Result := _SSLCipherGetName(c)
else
Result := '';
end;
//function SSLCipherGetBits(c: SslPtr; alg_bits: PInteger):Integer;
function SSLCipherGetBits(c: SslPtr; var alg_bits: Integer):Integer;
begin
if InitSSLInterface and Assigned(_SSLCipherGetBits) then
Result := _SSLCipherGetBits(c, @alg_bits)
else
Result := 0;
end;
function SSLGetVerifyResult(ssl: PSSL):Integer;
begin
if InitSSLInterface and Assigned(_SSLGetVerifyResult) then
Result := _SSLGetVerifyResult(ssl)
else
Result := X509_V_ERR_APPLICATION_VERIFICATION;
end;
function SSLCtrl(ssl: PSSL; cmd: integer; larg: integer; parg: SslPtr):Integer;
begin
if InitSSLInterface and Assigned(_SSLCtrl) then
Result := _SSLCtrl(ssl, cmd, larg, parg)
else
Result := X509_V_ERR_APPLICATION_VERIFICATION;
end;
// libeay.dll
function X509New: PX509;
begin
if InitSSLInterface and Assigned(_X509New) then
Result := _X509New
else
Result := nil;
end;
procedure X509Free(x: PX509);
begin
if InitSSLInterface and Assigned(_X509Free) then
_X509Free(x);
end;
//function SslX509NameOneline(a: PX509_NAME; buf: PChar; size: Integer):PChar;
function X509NameOneline(a: PX509_NAME; var buf: AnsiString; size: Integer):AnsiString;
begin
if InitSSLInterface and Assigned(_X509NameOneline) then
Result := _X509NameOneline(a, PAnsiChar(buf),size)
else
Result := '';
end;
function X509GetSubjectName(a: PX509):PX509_NAME;
begin
if InitSSLInterface and Assigned(_X509GetSubjectName) then
Result := _X509GetSubjectName(a)
else
Result := nil;
end;
function X509GetIssuerName(a: PX509):PX509_NAME;
begin
if InitSSLInterface and Assigned(_X509GetIssuerName) then
Result := _X509GetIssuerName(a)
else
Result := nil;
end;
function X509NameHash(x: PX509_NAME):Cardinal;
begin
if InitSSLInterface and Assigned(_X509NameHash) then
Result := _X509NameHash(x)
else
Result := 0;
end;
//function SslX509Digest(data: PX509; _type: PEVP_MD; md: PChar; len: PInteger):Integer;
function X509Digest(data: PX509; _type: PEVP_MD; md: AnsiString; var len: Integer):Integer;
begin
if InitSSLInterface and Assigned(_X509Digest) then
Result := _X509Digest(data, _type, PAnsiChar(md), @len)
else
Result := 0;
end;
function EvpPkeyNew: EVP_PKEY;
begin
if InitSSLInterface and Assigned(_EvpPkeyNew) then
Result := _EvpPkeyNew
else
Result := nil;
end;
procedure EvpPkeyFree(pk: EVP_PKEY);
begin
if InitSSLInterface and Assigned(_EvpPkeyFree) then
_EvpPkeyFree(pk);
end;
function OpenSSLversion(t: integer): Ansistring;
begin
if InitSSLInterface and Assigned(_OpenSSLversion) then
Result := PAnsiChar(_OpenSSLversion(t))
else
Result := '';
end;
procedure ErrErrorString(e: integer; var buf: Ansistring; len: integer);
begin
if InitSSLInterface and Assigned(_ErrErrorString) then
_ErrErrorString(e, Pointer(buf), len);
buf := PAnsiChar(Buf);
end;
function ErrGetError: integer;
begin
if InitSSLInterface and Assigned(_ErrGetError) then
Result := _ErrGetError
else
Result := SSL_ERROR_SSL;
end;
procedure ErrClearError;
begin
if InitSSLInterface and Assigned(_ErrClearError) then
_ErrClearError;
end;
function BioNew(b: PBIO_METHOD): PBIO;
begin
if InitSSLInterface and Assigned(_BioNew) then
Result := _BioNew(b)
else
Result := nil;
end;
procedure BioFreeAll(b: PBIO);
begin
if InitSSLInterface and Assigned(_BioFreeAll) then
_BioFreeAll(b);
end;
function BioSMem: PBIO_METHOD;
begin
if InitSSLInterface and Assigned(_BioSMem) then
Result := _BioSMem
else
Result := nil;
end;
function BioCtrlPending(b: PBIO): integer;
begin
if InitSSLInterface and Assigned(_BioCtrlPending) then
Result := _BioCtrlPending(b)
else
Result := 0;
end;
//function BioRead(b: PBIO; Buf: PChar; Len: integer): integer;
function BioRead(b: PBIO; var Buf: AnsiString; Len: integer): integer;
begin
if InitSSLInterface and Assigned(_BioRead) then