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/* $Id: RTCrStoreCreateSnapshotById-win.cpp $ */
/** @file
* IPRT - RTCrStoreCreateSnapshotById, Windows.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program 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, in version 3 of the
* License.
*
* This program 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 this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/crypto/store.h>
#include "internal/iprt.h"
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include <iprt/once.h>
#include <iprt/ldr.h>
#include <iprt/win/windows.h>
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
typedef HCERTSTORE (WINAPI *PFNCERTOPENSTORE)(PCSTR pszStoreProvider, DWORD dwEncodingType, HCRYPTPROV_LEGACY hCryptProv,
DWORD dwFlags, const void *pvParam);
typedef BOOL (WINAPI *PFNCERTCLOSESTORE)(HCERTSTORE hCertStore, DWORD dwFlags);
typedef PCCERT_CONTEXT (WINAPI *PFNCERTENUMCERTIFICATESINSTORE)(HCERTSTORE hCertStore, PCCERT_CONTEXT pPrevCertContext);
static int rtCrStoreAddCertsFromNative(RTCRSTORE hStore, DWORD fStore, PCRTUTF16 pwszStoreName,
PFNCERTOPENSTORE pfnOpenStore, PFNCERTCLOSESTORE pfnCloseStore,
PFNCERTENUMCERTIFICATESINSTORE pfnEnumCerts, int rc, PRTERRINFO pErrInfo)
{
DWORD fOpenStore = CERT_STORE_OPEN_EXISTING_FLAG | CERT_STORE_READONLY_FLAG;
HCERTSTORE hNativeStore = pfnOpenStore(CERT_STORE_PROV_SYSTEM_W, PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
NULL /* hCryptProv = default */, fStore | fOpenStore, pwszStoreName);
if (hNativeStore)
{
PCCERT_CONTEXT pCurCtx = NULL;
while ((pCurCtx = pfnEnumCerts(hNativeStore, pCurCtx)) != NULL)
{
if (pCurCtx->dwCertEncodingType & X509_ASN_ENCODING)
{
RTERRINFOSTATIC StaticErrInfo;
RTASN1CURSORPRIMARY PrimaryCursor;
RTAsn1CursorInitPrimary(&PrimaryCursor, pCurCtx->pbCertEncoded, pCurCtx->cbCertEncoded,
RTErrInfoInitStatic(&StaticErrInfo),
&g_RTAsn1DefaultAllocator, RTASN1CURSOR_FLAGS_DER, "CurCtx");
RTCRX509CERTIFICATE MyCert;
int rc2 = RTCrX509Certificate_DecodeAsn1(&PrimaryCursor.Cursor, 0, &MyCert, "Cert");
if (RT_SUCCESS(rc2))
{
rc2 = RTCrStoreCertAddEncoded(hStore, RTCRCERTCTX_F_ENC_X509_DER | RTCRCERTCTX_F_ADD_IF_NOT_FOUND,
pCurCtx->pbCertEncoded, pCurCtx->cbCertEncoded,
RTErrInfoInitStatic(&StaticErrInfo));
RTCrX509Certificate_Delete(&MyCert);
}
if (RT_FAILURE(rc2))
{
if (RTErrInfoIsSet(&StaticErrInfo.Core))
RTErrInfoAddF(pErrInfo, -rc2, " %s", StaticErrInfo.Core.pszMsg);
else
RTErrInfoAddF(pErrInfo, -rc2, " %Rrc adding cert", rc2);
rc = -rc2;
}
}
}
pfnCloseStore(hNativeStore, CERT_CLOSE_STORE_CHECK_FLAG);
}
else
{
DWORD uLastErr = GetLastError();
if (uLastErr != ERROR_FILE_NOT_FOUND)
rc = RTErrInfoAddF(pErrInfo, -RTErrConvertFromWin32(uLastErr),
" CertOpenStore(%#x,'%ls') failed: %u", fStore, pwszStoreName);
}
return rc;
}
RTDECL(int) RTCrStoreCreateSnapshotById(PRTCRSTORE phStore, RTCRSTOREID enmStoreId, PRTERRINFO pErrInfo)
{
AssertReturn(enmStoreId > RTCRSTOREID_INVALID && enmStoreId < RTCRSTOREID_END, VERR_INVALID_PARAMETER);
/*
* Create an empty in-memory store.
*/
RTCRSTORE hStore;
int rc = RTCrStoreCreateInMem(&hStore, 128);
if (RT_SUCCESS(rc))
{
*phStore = hStore;
/*
* Resolve the APIs we need to do this job.
*/
RTLDRMOD hLdrMod;
int rc2 = RTLdrLoadSystem("crypt32.dll", false /*NoUnload*/, &hLdrMod);
if (RT_SUCCESS(rc2))
{
PFNCERTOPENSTORE pfnOpenStore = NULL;
rc2 = RTLdrGetSymbol(hLdrMod, "CertOpenStore", (void **)&pfnOpenStore);
PFNCERTCLOSESTORE pfnCloseStore = NULL;
if (RT_SUCCESS(rc2))
rc2 = RTLdrGetSymbol(hLdrMod, "CertCloseStore", (void **)&pfnCloseStore);
PFNCERTENUMCERTIFICATESINSTORE pfnEnumCerts = NULL;
if (RT_SUCCESS(rc2))
rc2 = RTLdrGetSymbol(hLdrMod, "CertEnumCertificatesInStore", (void **)&pfnEnumCerts);
if (RT_SUCCESS(rc2))
{
/*
* Do the work.
*/
DWORD fStore = CERT_SYSTEM_STORE_CURRENT_USER;
switch (enmStoreId)
{
case RTCRSTOREID_SYSTEM_TRUSTED_CAS_AND_CERTIFICATES:
case RTCRSTOREID_SYSTEM_INTERMEDIATE_CAS:
fStore = CERT_SYSTEM_STORE_LOCAL_MACHINE;
RT_FALL_THRU();
case RTCRSTOREID_USER_TRUSTED_CAS_AND_CERTIFICATES:
case RTCRSTOREID_USER_INTERMEDIATE_CAS:
{
/** @todo CA and MY in s_apwszRootStores are _very_ questionable!!! However,
* curl may need them to work correct and it doesn't seem to have any
* intermediate ca file. :/ */
static PCRTUTF16 const s_apwszRootStores[] = { L"AuthRoot", L"CA", L"MY", L"Root" };
static PCRTUTF16 const s_apwszIntermediateStores[] = { L"CA", L"MY" };
PCRTUTF16 const *papwszStores = s_apwszRootStores;
uint32_t cStores = RT_ELEMENTS(s_apwszRootStores);
if (enmStoreId == RTCRSTOREID_USER_INTERMEDIATE_CAS || enmStoreId == RTCRSTOREID_SYSTEM_INTERMEDIATE_CAS)
{
papwszStores = s_apwszIntermediateStores;
cStores = RT_ELEMENTS(s_apwszIntermediateStores);
}
for (uint32_t i = 0; i < cStores; i++)
rc = rtCrStoreAddCertsFromNative(hStore, fStore, papwszStores[i], pfnOpenStore, pfnCloseStore,
pfnEnumCerts, rc, pErrInfo);
break;
}
default:
AssertFailed(); /* implement me */
}
}
else
rc = RTErrInfoSetF(pErrInfo, -rc2, "Error resolving crypt32.dll APIs");
RTLdrClose(hLdrMod);
}
else
rc = RTErrInfoSetF(pErrInfo, -rc2, "Error loading crypt32.dll");
}
else
RTErrInfoSet(pErrInfo, rc, "RTCrStoreCreateInMem failed");
return rc;
}
RT_EXPORT_SYMBOL(RTCrStoreCreateSnapshotById);
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