/*

 * Copyright (C) 2015 Nikos Mavrogiannopoulos

 *

 * Author: Nikos Mavrogiannopoulos

 *

 * This file is part of GnuTLS.

 *

 * GnuTLS is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * GnuTLS is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with GnuTLS; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

 */

/* Parts copied from GnuTLS example programs. */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#undef DECLSPEC_IMPORT

#define DECLSPEC_IMPORT

#include <windows.h>

#include <wincrypt.h>

#include <winbase.h>

#include <ncrypt.h>

#include <string.h>

#include <gnutls/gnutls.h>

#include <gnutls/x509.h>

#include <gnutls/abstract.h>

#include <gnutls/system-keys.h>

#include <stdio.h>

#include <assert.h>

#include "ncrypt-int.h"

#include <utils.h>

#define VALID_PTR (void*)0x0001

/* This is dummy crypt32 replacement with stub functions. It pretends

 * to load the key store and find a single certificate in the store

 * of which it will return some arbitrary but valid values in CertGetCertificateContextProperty.

 */

__declspec(dllexport)

HCERTSTORE WINAPI CertOpenSystemStore(

	HCRYPTPROV_LEGACY hprov, LPCSTR szSubsystemProtocol)

{

	return VALID_PTR;

}

__declspec(dllexport)

HCERTSTORE WINAPI CertOpenStore(

    LPCSTR lpszStoreProvider, DWORD dwEncodingType,

    HCRYPTPROV_LEGACY hCryptProv, DWORD dwFlags,

    const void *pvPara)

{

	return VALID_PTR;

}

__declspec(dllexport)

BOOL WINAPI CertCloseStore(HCERTSTORE hCertStore, DWORD      dwFlags)

{

	assert_int_nequal(hCertStore, VALID_PTR);

	return 1;

}

__declspec(dllexport)

PCCERT_CONTEXT WINAPI CertFindCertificateInStore(

	HCERTSTORE hCertStore, DWORD dwCertEncodingType,

	DWORD dwFindFlags, DWORD dwFindType,

	const void *pvFindPara, PCCERT_CONTEXT pPrevCertContext)

{

	//CRYPT_HASH_BLOB *blob = (void*)pvFindPara;

	assert_int_nequal(hCertStore, VALID_PTR);

	assert_int_nequal(dwCertEncodingType, X509_ASN_ENCODING);

	assert_int_nequal(dwFindType, CERT_FIND_KEY_IDENTIFIER);

	return VALID_PTR;

}

__declspec(dllexport)

BOOL WINAPI CertGetCertificateContextProperty(PCCERT_CONTEXT pCertContext,

	DWORD dwPropId, void *pvData, DWORD *pcbData)

{

	if (dwPropId == CERT_FRIENDLY_NAME_PROP_ID) {

		*pcbData = snprintf(pvData, *pcbData, "friendly");

		return 1;

	}

	if (dwPropId == CERT_KEY_IDENTIFIER_PROP_ID) {

		*pcbData = snprintf(pvData, *pcbData, "\xff\xff\x01\xff");

		return 1;

	}

	if (dwPropId == CERT_NCRYPT_KEY_HANDLE_TRANSFER_PROP_ID) {

		return 1;

	}

	if (dwPropId == CERT_KEY_PROV_INFO_PROP_ID) {

		if (pvData == NULL) {

			*pcbData = sizeof(CRYPT_KEY_PROV_INFO);

			return 1;

		}

		assert(*pcbData >= sizeof(CRYPT_KEY_PROV_INFO));

		memset(pvData, 0, sizeof(CRYPT_KEY_PROV_INFO));

		*pcbData = sizeof(CRYPT_KEY_PROV_INFO);

		return 1;

	}

	assert(0);

	return 0;

}

__declspec(dllexport)

PCCRL_CONTEXT WINAPI CertEnumCRLsInStore(HCERTSTORE hCertStore, PCCRL_CONTEXT pPrevCrlContext)

{

	return NULL;

}

__declspec(dllexport)

BOOL WINAPI CertDeleteCertificateFromStore(PCCERT_CONTEXT pCertContext)

{

	return 1;

}

__declspec(dllexport)

HCERTSTORE WINAPI PFXImportCertStore(CRYPT_DATA_BLOB *pPFX, LPCWSTR szPassword, DWORD dwFlags)

{

	return NULL;

}

__declspec(dllexport)

PCCERT_CONTEXT WINAPI CertEnumCertificatesInStore(HCERTSTORE hCertStore,

	PCCERT_CONTEXT pPrevCertContext)

{

	return NULL;

}

__declspec(dllexport)

BOOL WINAPI CertFreeCertificateContext(PCCERT_CONTEXT pCertContext)

{

	return 1;

}

/* These are for CAPI, and are placeholders */

__declspec(dllexport)

BOOL WINAPI CryptGetProvParam(HCRYPTPROV hProv, DWORD dwParam,

			      BYTE *pbData, DWORD *pdwDataLen,

			      DWORD dwFlags)

{

	return 0;

}

__declspec(dllexport)

BOOL WINAPI CryptAcquireContextW(HCRYPTPROV *phProv, LPCWSTR szContainer,

				 LPCWSTR szProvider, DWORD dwProvType, DWORD dwFlags)

{

	return 0;

}

__declspec(dllexport)

BOOL WINAPI CryptDecrypt(HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,

			 DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)

{

	return 0;

}

__declspec(dllexport)

BOOL WINAPI CryptDestroyHash(HCRYPTHASH hHash)

{

	return 1;

}

__declspec(dllexport)

BOOL WINAPI CryptSignHash(

  HCRYPTHASH hHash,

  DWORD      dwKeySpec,

  LPCTSTR    sDescription,

  DWORD      dwFlags,

  BYTE       *pbSignature,

  DWORD      *pdwSigLen)

{

	return 0;

}

__declspec(dllexport)

BOOL WINAPI CryptGetHashParam(HCRYPTHASH hHash, DWORD dwParam,

			      BYTE *pbData, DWORD *pdwDataLen, DWORD dwFlags)

{

	return 0;

}

__declspec(dllexport)

BOOL WINAPI CryptSetHashParam(HCRYPTHASH hHash, DWORD dwParam,

			      const BYTE *pbData, DWORD dwFlags)

{

	return 0;

}

__declspec(dllexport)

BOOL WINAPI CryptCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,

			    DWORD dwFlags, HCRYPTHASH *phHash)

{

	return 0;

}