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wine/dlls/wintrust/softpub.c

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/*
* Copyright 2007 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "wintrust.h"
#include "mssip.h"
#include "softpub.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wintrust);
HRESULT WINAPI SoftpubDefCertInit(CRYPT_PROVIDER_DATA *data)
{
HRESULT ret = S_FALSE;
TRACE("(%p)\n", data);
if (data->padwTrustStepErrors &&
!data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_WVTINIT])
ret = S_OK;
TRACE("returning %08x\n", ret);
return ret;
}
HRESULT WINAPI SoftpubInitialize(CRYPT_PROVIDER_DATA *data)
{
HRESULT ret = S_FALSE;
TRACE("(%p)\n", data);
if (data->padwTrustStepErrors &&
!data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_WVTINIT])
ret = S_OK;
TRACE("returning %08x\n", ret);
return ret;
}
HRESULT WINAPI DriverInitializePolicy(CRYPT_PROVIDER_DATA *data)
{
FIXME("stub\n");
return S_OK;
}
HRESULT WINAPI DriverCleanupPolicy(CRYPT_PROVIDER_DATA *data)
{
FIXME("stub\n");
return S_OK;
}
HRESULT WINAPI DriverFinalPolicy(CRYPT_PROVIDER_DATA *data)
{
FIXME("stub\n");
return S_OK;
}
/* Assumes data->pWintrustData->u.pFile exists. Makes sure a file handle is
* open for the file.
*/
static BOOL SOFTPUB_OpenFile(CRYPT_PROVIDER_DATA *data)
{
BOOL ret = TRUE;
/* PSDK implies that all values should be initialized to NULL, so callers
* typically have hFile as NULL rather than INVALID_HANDLE_VALUE. Check
* for both.
*/
if (!data->pWintrustData->u.pFile->hFile ||
data->pWintrustData->u.pFile->hFile == INVALID_HANDLE_VALUE)
{
data->pWintrustData->u.pFile->hFile =
CreateFileW(data->pWintrustData->u.pFile->pcwszFilePath, GENERIC_READ,
FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (data->pWintrustData->u.pFile->hFile != INVALID_HANDLE_VALUE)
data->fOpenedFile = TRUE;
else
ret = FALSE;
}
if (ret)
GetFileTime(data->pWintrustData->u.pFile->hFile, &data->sftSystemTime,
NULL, NULL);
TRACE("returning %d\n", ret);
return ret;
}
/* Assumes data->pWintrustData->u.pFile exists. Sets data->pPDSip->gSubject to
* the file's subject GUID.
*/
static BOOL SOFTPUB_GetFileSubject(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
if (!WVT_ISINSTRUCT(WINTRUST_FILE_INFO,
data->pWintrustData->u.pFile->cbStruct, pgKnownSubject) ||
!data->pWintrustData->u.pFile->pgKnownSubject)
{
ret = CryptSIPRetrieveSubjectGuid(
data->pWintrustData->u.pFile->pcwszFilePath,
data->pWintrustData->u.pFile->hFile,
&data->u.pPDSip->gSubject);
}
else
{
data->u.pPDSip->gSubject = *data->pWintrustData->u.pFile->pgKnownSubject;
ret = TRUE;
}
TRACE("returning %d\n", ret);
return ret;
}
/* Assumes data->u.pPDSip exists, and its gSubject member set.
* Allocates data->u.pPDSip->pSip and loads it, if possible.
*/
static BOOL SOFTPUB_GetSIP(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
data->u.pPDSip->pSip = data->psPfns->pfnAlloc(sizeof(SIP_DISPATCH_INFO));
if (data->u.pPDSip->pSip)
ret = CryptSIPLoad(&data->u.pPDSip->gSubject, 0, data->u.pPDSip->pSip);
else
{
SetLastError(ERROR_OUTOFMEMORY);
ret = FALSE;
}
TRACE("returning %d\n", ret);
return ret;
}
/* Assumes data->u.pPDSip has been loaded, and data->u.pPDSip->pSip allocated.
* Calls data->u.pPDSip->pSip->pfGet to construct data->hMsg.
*/
static BOOL SOFTPUB_GetMessageFromFile(CRYPT_PROVIDER_DATA *data, HANDLE file,
LPCWSTR filePath)
{
BOOL ret;
LPBYTE buf = NULL;
DWORD size = 0;
data->u.pPDSip->psSipSubjectInfo =
data->psPfns->pfnAlloc(sizeof(SIP_SUBJECTINFO));
if (!data->u.pPDSip->psSipSubjectInfo)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
data->u.pPDSip->psSipSubjectInfo->cbSize = sizeof(SIP_SUBJECTINFO);
data->u.pPDSip->psSipSubjectInfo->pgSubjectType = &data->u.pPDSip->gSubject;
data->u.pPDSip->psSipSubjectInfo->hFile = file;
data->u.pPDSip->psSipSubjectInfo->pwsFileName = filePath;
data->u.pPDSip->psSipSubjectInfo->hProv = data->hProv;
ret = data->u.pPDSip->pSip->pfGet(data->u.pPDSip->psSipSubjectInfo,
&data->dwEncoding, 0, &size, 0);
if (!ret)
{
SetLastError(TRUST_E_NOSIGNATURE);
return FALSE;
}
buf = data->psPfns->pfnAlloc(size);
if (!buf)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
ret = data->u.pPDSip->pSip->pfGet(data->u.pPDSip->psSipSubjectInfo,
&data->dwEncoding, 0, &size, buf);
if (ret)
{
data->hMsg = CryptMsgOpenToDecode(data->dwEncoding, 0, 0, data->hProv,
NULL, NULL);
if (data->hMsg)
ret = CryptMsgUpdate(data->hMsg, buf, size, TRUE);
}
data->psPfns->pfnFree(buf);
TRACE("returning %d\n", ret);
return ret;
}
static BOOL SOFTPUB_CreateStoreFromMessage(CRYPT_PROVIDER_DATA *data)
{
BOOL ret = FALSE;
HCERTSTORE store;
store = CertOpenStore(CERT_STORE_PROV_MSG, data->dwEncoding,
data->hProv, CERT_STORE_NO_CRYPT_RELEASE_FLAG, data->hMsg);
if (store)
{
ret = data->psPfns->pfnAddStore2Chain(data, store);
CertCloseStore(store, 0);
}
TRACE("returning %d\n", ret);
return ret;
}
static DWORD SOFTPUB_DecodeInnerContent(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
DWORD size;
LPSTR oid = NULL;
LPBYTE buf = NULL;
ret = CryptMsgGetParam(data->hMsg, CMSG_INNER_CONTENT_TYPE_PARAM, 0, NULL,
&size);
if (!ret)
goto error;
oid = data->psPfns->pfnAlloc(size);
if (!oid)
{
SetLastError(ERROR_OUTOFMEMORY);
ret = FALSE;
goto error;
}
ret = CryptMsgGetParam(data->hMsg, CMSG_INNER_CONTENT_TYPE_PARAM, 0, oid,
&size);
if (!ret)
goto error;
ret = CryptMsgGetParam(data->hMsg, CMSG_CONTENT_PARAM, 0, NULL, &size);
if (!ret)
goto error;
buf = data->psPfns->pfnAlloc(size);
if (!buf)
{
SetLastError(ERROR_OUTOFMEMORY);
ret = FALSE;
goto error;
}
ret = CryptMsgGetParam(data->hMsg, CMSG_CONTENT_PARAM, 0, buf, &size);
if (!ret)
goto error;
ret = CryptDecodeObject(data->dwEncoding, oid, buf, size, 0, NULL, &size);
if (!ret)
goto error;
data->u.pPDSip->psIndirectData = data->psPfns->pfnAlloc(size);
if (!data->u.pPDSip->psIndirectData)
{
SetLastError(ERROR_OUTOFMEMORY);
ret = FALSE;
goto error;
}
ret = CryptDecodeObject(data->dwEncoding, oid, buf, size, 0,
data->u.pPDSip->psIndirectData, &size);
error:
TRACE("returning %d\n", ret);
data->psPfns->pfnFree(oid);
data->psPfns->pfnFree(buf);
return ret;
}
static BOOL SOFTPUB_LoadCertMessage(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
if (data->pWintrustData->u.pCert &&
WVT_IS_CBSTRUCT_GT_MEMBEROFFSET(WINTRUST_CERT_INFO,
data->pWintrustData->u.pCert->cbStruct, psCertContext))
{
if (data->psPfns)
{
CRYPT_PROVIDER_SGNR signer = { sizeof(signer), { 0 } };
DWORD i;
/* Add a signer with nothing but the time to verify, so we can
* add a cert to it
*/
if (WVT_ISINSTRUCT(WINTRUST_CERT_INFO,
data->pWintrustData->u.pCert->cbStruct, psftVerifyAsOf) &&
data->pWintrustData->u.pCert->psftVerifyAsOf)
data->sftSystemTime = signer.sftVerifyAsOf;
else
{
SYSTEMTIME sysTime;
GetSystemTime(&sysTime);
SystemTimeToFileTime(&sysTime, &signer.sftVerifyAsOf);
}
ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, 0, &signer);
if (ret)
{
ret = data->psPfns->pfnAddCert2Chain(data, 0, FALSE, 0,
data->pWintrustData->u.pCert->psCertContext);
if (WVT_ISINSTRUCT(WINTRUST_CERT_INFO,
data->pWintrustData->u.pCert->cbStruct, pahStores))
for (i = 0;
ret && i < data->pWintrustData->u.pCert->chStores; i++)
ret = data->psPfns->pfnAddStore2Chain(data,
data->pWintrustData->u.pCert->pahStores[i]);
}
}
else
{
/* Do nothing!? See the tests */
ret = TRUE;
}
}
else
{
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
}
return ret;
}
static DWORD SOFTPUB_LoadFileMessage(CRYPT_PROVIDER_DATA *data)
{
DWORD err = ERROR_SUCCESS;
if (!data->pWintrustData->u.pFile)
{
err = ERROR_INVALID_PARAMETER;
goto error;
}
if (!SOFTPUB_OpenFile(data))
{
err = GetLastError();
goto error;
}
if (!SOFTPUB_GetFileSubject(data))
{
err = GetLastError();
goto error;
}
if (!SOFTPUB_GetSIP(data))
{
err = GetLastError();
goto error;
}
if (!SOFTPUB_GetMessageFromFile(data, data->pWintrustData->u.pFile->hFile,
data->pWintrustData->u.pFile->pcwszFilePath))
{
err = GetLastError();
goto error;
}
if (!SOFTPUB_CreateStoreFromMessage(data))
{
err = GetLastError();
goto error;
}
if (!SOFTPUB_DecodeInnerContent(data))
err = GetLastError();
error:
return err;
}
static BOOL SOFTPUB_LoadCatalogMessage(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
HANDLE catalog = INVALID_HANDLE_VALUE;
if (!data->pWintrustData->u.pCatalog)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
catalog = CreateFileW(data->pWintrustData->u.pCatalog->pcwszCatalogFilePath,
GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
NULL);
if (catalog == INVALID_HANDLE_VALUE)
return FALSE;
ret = CryptSIPRetrieveSubjectGuid(
data->pWintrustData->u.pCatalog->pcwszCatalogFilePath, catalog,
&data->u.pPDSip->gSubject);
if (!ret)
goto error;
ret = SOFTPUB_GetSIP(data);
if (!ret)
goto error;
ret = SOFTPUB_GetMessageFromFile(data, catalog,
data->pWintrustData->u.pCatalog->pcwszCatalogFilePath);
if (!ret)
goto error;
ret = SOFTPUB_CreateStoreFromMessage(data);
if (!ret)
goto error;
ret = SOFTPUB_DecodeInnerContent(data);
/* FIXME: this loads the catalog file, but doesn't validate the member. */
error:
CloseHandle(catalog);
return ret;
}
HRESULT WINAPI SoftpubLoadMessage(CRYPT_PROVIDER_DATA *data)
{
BOOL ret = TRUE;
DWORD err = ERROR_SUCCESS;
TRACE("(%p)\n", data);
if (!data->padwTrustStepErrors)
return S_FALSE;
switch (data->pWintrustData->dwUnionChoice)
{
case WTD_CHOICE_CERT:
ret = SOFTPUB_LoadCertMessage(data);
break;
case WTD_CHOICE_FILE:
err = SOFTPUB_LoadFileMessage(data);
break;
case WTD_CHOICE_CATALOG:
ret = SOFTPUB_LoadCatalogMessage(data);
break;
default:
FIXME("unimplemented for %d\n", data->pWintrustData->dwUnionChoice);
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
}
if (!ret)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV] =
GetLastError();
else if (err)
{
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV] = err;
ret = FALSE;
}
TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV]);
return ret ? S_OK : S_FALSE;
}
static CMSG_SIGNER_INFO *WINTRUST_GetSigner(CRYPT_PROVIDER_DATA *data,
DWORD signerIdx)
{
BOOL ret;
CMSG_SIGNER_INFO *signerInfo = NULL;
DWORD size;
ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_INFO_PARAM, signerIdx,
NULL, &size);
if (ret)
{
signerInfo = data->psPfns->pfnAlloc(size);
if (signerInfo)
{
ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_INFO_PARAM,
signerIdx, signerInfo, &size);
if (!ret)
{
data->psPfns->pfnFree(signerInfo);
signerInfo = NULL;
}
}
else
SetLastError(ERROR_OUTOFMEMORY);
}
return signerInfo;
}
static BOOL WINTRUST_SaveSigner(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
{
BOOL ret;
CMSG_SIGNER_INFO *signerInfo = WINTRUST_GetSigner(data, signerIdx);
if (signerInfo)
{
CRYPT_PROVIDER_SGNR sgnr = { sizeof(sgnr), { 0 } };
sgnr.psSigner = signerInfo;
sgnr.sftVerifyAsOf = data->sftSystemTime;
ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, signerIdx, &sgnr);
}
else
ret = FALSE;
return ret;
}
static CERT_INFO *WINTRUST_GetSignerCertInfo(CRYPT_PROVIDER_DATA *data,
DWORD signerIdx)
{
BOOL ret;
CERT_INFO *certInfo = NULL;
DWORD size;
ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_CERT_INFO_PARAM, signerIdx,
NULL, &size);
if (ret)
{
certInfo = data->psPfns->pfnAlloc(size);
if (certInfo)
{
ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_CERT_INFO_PARAM,
signerIdx, certInfo, &size);
if (!ret)
{
data->psPfns->pfnFree(certInfo);
certInfo = NULL;
}
}
else
SetLastError(ERROR_OUTOFMEMORY);
}
return certInfo;
}
static BOOL WINTRUST_VerifySigner(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
{
BOOL ret;
CERT_INFO *certInfo = WINTRUST_GetSignerCertInfo(data, signerIdx);
if (certInfo)
{
PCCERT_CONTEXT subject = CertGetSubjectCertificateFromStore(
data->pahStores[0], data->dwEncoding, certInfo);
if (subject)
{
CMSG_CTRL_VERIFY_SIGNATURE_EX_PARA para = { sizeof(para), 0,
signerIdx, CMSG_VERIFY_SIGNER_CERT, (LPVOID)subject };
ret = CryptMsgControl(data->hMsg, 0, CMSG_CTRL_VERIFY_SIGNATURE_EX,
&para);
if (!ret)
SetLastError(TRUST_E_CERT_SIGNATURE);
else
data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
subject);
CertFreeCertificateContext(subject);
}
else
{
SetLastError(TRUST_E_NO_SIGNER_CERT);
ret = FALSE;
}
data->psPfns->pfnFree(certInfo);
}
else
ret = FALSE;
return ret;
}
HRESULT WINAPI SoftpubLoadSignature(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
TRACE("(%p)\n", data);
if (!data->padwTrustStepErrors)
return S_FALSE;
if (data->hMsg)
{
DWORD signerCount, size;
size = sizeof(signerCount);
ret = CryptMsgGetParam(data->hMsg, CMSG_SIGNER_COUNT_PARAM, 0,
&signerCount, &size);
if (ret)
{
DWORD i;
for (i = 0; ret && i < signerCount; i++)
{
if ((ret = WINTRUST_SaveSigner(data, i)))
ret = WINTRUST_VerifySigner(data, i);
}
}
else
SetLastError(TRUST_E_NOSIGNATURE);
}
else
ret = TRUE;
if (!ret)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_SIGPROV] =
GetLastError();
return ret ? S_OK : S_FALSE;
}
static DWORD WINTRUST_TrustStatusToConfidence(DWORD errorStatus)
{
DWORD confidence = 0;
confidence = 0;
if (!(errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID))
confidence |= CERT_CONFIDENCE_SIG;
if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_VALID))
confidence |= CERT_CONFIDENCE_TIME;
if (!(errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED))
confidence |= CERT_CONFIDENCE_TIMENEST;
return confidence;
}
BOOL WINAPI SoftpubCheckCert(CRYPT_PROVIDER_DATA *data, DWORD idxSigner,
BOOL fCounterSignerChain, DWORD idxCounterSigner)
{
BOOL ret;
TRACE("(%p, %d, %d, %d)\n", data, idxSigner, fCounterSignerChain,
idxCounterSigner);
if (fCounterSignerChain)
{
FIXME("unimplemented for counter signers\n");
ret = FALSE;
}
else
{
PCERT_SIMPLE_CHAIN simpleChain =
data->pasSigners[idxSigner].pChainContext->rgpChain[0];
DWORD i;
ret = TRUE;
for (i = 0; i < simpleChain->cElement; i++)
{
/* Set confidence */
data->pasSigners[idxSigner].pasCertChain[i].dwConfidence =
WINTRUST_TrustStatusToConfidence(
simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
/* Set additional flags */
if (!(simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
CERT_TRUST_IS_UNTRUSTED_ROOT))
data->pasSigners[idxSigner].pasCertChain[i].fTrustedRoot = TRUE;
if (simpleChain->rgpElement[i]->TrustStatus.dwInfoStatus &
CERT_TRUST_IS_SELF_SIGNED)
data->pasSigners[idxSigner].pasCertChain[i].fSelfSigned = TRUE;
if (simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus &
CERT_TRUST_IS_CYCLIC)
data->pasSigners[idxSigner].pasCertChain[i].fIsCyclic = TRUE;
}
}
return ret;
}
static DWORD WINTRUST_TrustStatusToError(DWORD errorStatus)
{
DWORD error;
if (errorStatus & CERT_TRUST_IS_NOT_SIGNATURE_VALID)
error = TRUST_E_CERT_SIGNATURE;
else if (errorStatus & CERT_TRUST_IS_UNTRUSTED_ROOT)
error = CERT_E_UNTRUSTEDROOT;
else if (errorStatus & CERT_TRUST_IS_NOT_TIME_VALID)
error = CERT_E_EXPIRED;
else if (errorStatus & CERT_TRUST_IS_NOT_TIME_NESTED)
error = CERT_E_VALIDITYPERIODNESTING;
else if (errorStatus & CERT_TRUST_IS_REVOKED)
error = CERT_E_REVOKED;
else if (errorStatus & CERT_TRUST_IS_OFFLINE_REVOCATION ||
errorStatus & CERT_TRUST_REVOCATION_STATUS_UNKNOWN)
error = CERT_E_REVOCATION_FAILURE;
else if (errorStatus & CERT_TRUST_IS_NOT_VALID_FOR_USAGE)
error = CERT_E_WRONG_USAGE;
else if (errorStatus & CERT_TRUST_IS_CYCLIC)
error = CERT_E_CHAINING;
else if (errorStatus & CERT_TRUST_INVALID_EXTENSION)
error = CERT_E_CRITICAL;
else if (errorStatus & CERT_TRUST_INVALID_POLICY_CONSTRAINTS)
error = CERT_E_INVALID_POLICY;
else if (errorStatus & CERT_TRUST_INVALID_BASIC_CONSTRAINTS)
error = TRUST_E_BASIC_CONSTRAINTS;
else if (errorStatus & CERT_TRUST_INVALID_NAME_CONSTRAINTS ||
errorStatus & CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT ||
errorStatus & CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT ||
errorStatus & CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT ||
errorStatus & CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT)
error = CERT_E_INVALID_NAME;
else if (errorStatus & CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY)
error = CERT_E_INVALID_POLICY;
else if (errorStatus)
{
FIXME("unknown error status %08x\n", errorStatus);
error = TRUST_E_SYSTEM_ERROR;
}
else
error = S_OK;
return error;
}
static BOOL WINTRUST_CopyChain(CRYPT_PROVIDER_DATA *data, DWORD signerIdx)
{
BOOL ret;
PCERT_SIMPLE_CHAIN simpleChain =
data->pasSigners[signerIdx].pChainContext->rgpChain[0];
DWORD i;
data->pasSigners[signerIdx].pasCertChain[0].dwConfidence =
WINTRUST_TrustStatusToConfidence(
simpleChain->rgpElement[0]->TrustStatus.dwErrorStatus);
data->pasSigners[signerIdx].pasCertChain[0].pChainElement =
simpleChain->rgpElement[0];
ret = TRUE;
for (i = 1; ret && i < simpleChain->cElement; i++)
{
ret = data->psPfns->pfnAddCert2Chain(data, signerIdx, FALSE, 0,
simpleChain->rgpElement[i]->pCertContext);
if (ret)
{
data->pasSigners[signerIdx].pasCertChain[i].pChainElement =
simpleChain->rgpElement[i];
data->pasSigners[signerIdx].pasCertChain[i].dwConfidence =
WINTRUST_TrustStatusToConfidence(
simpleChain->rgpElement[i]->TrustStatus.dwErrorStatus);
}
}
data->pasSigners[signerIdx].pasCertChain[simpleChain->cElement - 1].dwError
= WINTRUST_TrustStatusToError(
simpleChain->rgpElement[simpleChain->cElement - 1]->
TrustStatus.dwErrorStatus);
return ret;
}
static void WINTRUST_CreateChainPolicyCreateInfo(
const CRYPT_PROVIDER_DATA *data, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO info,
PCERT_CHAIN_PARA chainPara)
{
chainPara->cbSize = sizeof(CERT_CHAIN_PARA);
if (data->pRequestUsage)
chainPara->RequestedUsage = *data->pRequestUsage;
else
{
chainPara->RequestedUsage.dwType = 0;
chainPara->RequestedUsage.Usage.cUsageIdentifier = 0;
}
info->u.cbSize = sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO);
info->hChainEngine = NULL;
info->pChainPara = chainPara;
if (data->dwProvFlags & CPD_REVOCATION_CHECK_END_CERT)
info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_END_CERT;
else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN)
info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN;
else if (data->dwProvFlags & CPD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT)
info->dwFlags = CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT;
else
info->dwFlags = 0;
info->pvReserved = NULL;
}
static BOOL WINTRUST_CreateChainForSigner(CRYPT_PROVIDER_DATA *data,
DWORD signer, PWTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo,
PCERT_CHAIN_PARA chainPara)
{
BOOL ret = TRUE;
HCERTSTORE store = NULL;
if (data->chStores)
{
store = CertOpenStore(CERT_STORE_PROV_COLLECTION, 0, 0,
CERT_STORE_CREATE_NEW_FLAG, NULL);
if (store)
{
DWORD i;
for (i = 0; i < data->chStores; i++)
CertAddStoreToCollection(store, data->pahStores[i], 0, 0);
}
}
/* Expect the end certificate for each signer to be the only cert in the
* chain:
*/
if (data->pasSigners[signer].csCertChain)
{
/* Create a certificate chain for each signer */
ret = CertGetCertificateChain(createInfo->hChainEngine,
data->pasSigners[signer].pasCertChain[0].pCert,
&data->pasSigners[signer].sftVerifyAsOf, store,
chainPara, createInfo->dwFlags, createInfo->pvReserved,
&data->pasSigners[signer].pChainContext);
if (ret)
{
if (data->pasSigners[signer].pChainContext->cChain != 1)
{
FIXME("unimplemented for more than 1 simple chain\n");
ret = FALSE;
}
else
{
if ((ret = WINTRUST_CopyChain(data, signer)))
{
if (data->psPfns->pfnCertCheckPolicy)
ret = data->psPfns->pfnCertCheckPolicy(data, signer,
FALSE, 0);
else
TRACE("no cert check policy, skipping policy check\n");
}
}
}
}
CertCloseStore(store, 0);
return ret;
}
HRESULT WINAPI WintrustCertificateTrust(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
TRACE("(%p)\n", data);
if (!data->csSigners)
{
ret = FALSE;
SetLastError(TRUST_E_NOSIGNATURE);
}
else
{
DWORD i;
WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo;
CERT_CHAIN_PARA chainPara;
WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
ret = TRUE;
for (i = 0; i < data->csSigners; i++)
ret = WINTRUST_CreateChainForSigner(data, i, &createInfo,
&chainPara);
}
if (!ret)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
GetLastError();
TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
return ret ? S_OK : S_FALSE;
}
HRESULT WINAPI GenericChainCertificateTrust(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
data->pWintrustData->pPolicyCallbackData;
TRACE("(%p)\n", data);
if (policyData && policyData->u.cbSize !=
sizeof(WTD_GENERIC_CHAIN_POLICY_CREATE_INFO))
{
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
goto end;
}
if (!data->csSigners)
{
ret = FALSE;
SetLastError(TRUST_E_NOSIGNATURE);
}
else
{
DWORD i;
WTD_GENERIC_CHAIN_POLICY_CREATE_INFO createInfo, *pCreateInfo;
CERT_CHAIN_PARA chainPara, *pChainPara;
if (policyData)
{
pCreateInfo = policyData->pSignerChainInfo;
pChainPara = pCreateInfo->pChainPara;
}
else
{
WINTRUST_CreateChainPolicyCreateInfo(data, &createInfo, &chainPara);
pChainPara = &chainPara;
pCreateInfo = &createInfo;
}
ret = TRUE;
for (i = 0; i < data->csSigners; i++)
ret = WINTRUST_CreateChainForSigner(data, i, pCreateInfo,
pChainPara);
}
end:
if (!ret)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV] =
GetLastError();
TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_CERTPROV]);
return ret ? S_OK : S_FALSE;
}
HRESULT WINAPI SoftpubAuthenticode(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
TRACE("(%p)\n", data);
if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
FIXME("unimplemented for UI choice %d\n",
data->pWintrustData->dwUIChoice);
if (!data->csSigners)
{
ret = FALSE;
policyStatus.dwError = TRUST_E_NOSIGNATURE;
}
else
{
DWORD i;
ret = TRUE;
for (i = 0; ret && i < data->csSigners; i++)
{
BYTE hash[20];
DWORD size = sizeof(hash);
/* First make sure cert isn't disallowed */
if ((ret = CertGetCertificateContextProperty(
data->pasSigners[i].pasCertChain[0].pCert,
CERT_SIGNATURE_HASH_PROP_ID, hash, &size)))
{
static const WCHAR disallowedW[] =
{ 'D','i','s','a','l','l','o','w','e','d',0 };
HCERTSTORE disallowed = CertOpenStore(CERT_STORE_PROV_SYSTEM_W,
X509_ASN_ENCODING, 0, CERT_SYSTEM_STORE_CURRENT_USER,
disallowedW);
if (disallowed)
{
PCCERT_CONTEXT found = CertFindCertificateInStore(
disallowed, X509_ASN_ENCODING, 0, CERT_FIND_SIGNATURE_HASH,
hash, NULL);
if (found)
{
/* Disallowed! Can't verify it. */
policyStatus.dwError = TRUST_E_SUBJECT_NOT_TRUSTED;
ret = FALSE;
CertFreeCertificateContext(found);
}
CertCloseStore(disallowed, 0);
}
}
if (ret)
{
CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
if (data->dwRegPolicySettings & WTPF_TRUSTTEST)
policyPara.dwFlags |= CERT_CHAIN_POLICY_TRUST_TESTROOT_FLAG;
if (data->dwRegPolicySettings & WTPF_TESTCANBEVALID)
policyPara.dwFlags |= CERT_CHAIN_POLICY_ALLOW_TESTROOT_FLAG;
if (data->dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
policyPara.dwFlags |=
CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
if (data->dwRegPolicySettings & WTPF_IGNOREREVOKATION)
policyPara.dwFlags |=
CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_AUTHENTICODE,
data->pasSigners[i].pChainContext, &policyPara, &policyStatus);
if (policyStatus.dwError != NO_ERROR)
ret = FALSE;
}
}
}
if (!ret)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] =
policyStatus.dwError;
TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
return ret ? S_OK : S_FALSE;
}
static HRESULT WINAPI WINTRUST_DefaultPolicy(CRYPT_PROVIDER_DATA *pProvData,
DWORD dwStepError, DWORD dwRegPolicySettings, DWORD cSigner,
PWTD_GENERIC_CHAIN_POLICY_SIGNER_INFO rgpSigner, void *pvPolicyArg)
{
DWORD i;
CERT_CHAIN_POLICY_STATUS policyStatus = { sizeof(policyStatus), 0 };
for (i = 0; !policyStatus.dwError && i < cSigner; i++)
{
CERT_CHAIN_POLICY_PARA policyPara = { sizeof(policyPara), 0 };
if (dwRegPolicySettings & WTPF_IGNOREEXPIRATION)
policyPara.dwFlags |=
CERT_CHAIN_POLICY_IGNORE_NOT_TIME_VALID_FLAG |
CERT_CHAIN_POLICY_IGNORE_CTL_NOT_TIME_VALID_FLAG |
CERT_CHAIN_POLICY_IGNORE_NOT_TIME_NESTED_FLAG;
if (dwRegPolicySettings & WTPF_IGNOREREVOKATION)
policyPara.dwFlags |=
CERT_CHAIN_POLICY_IGNORE_END_REV_UNKNOWN_FLAG |
CERT_CHAIN_POLICY_IGNORE_CTL_SIGNER_REV_UNKNOWN_FLAG |
CERT_CHAIN_POLICY_IGNORE_CA_REV_UNKNOWN_FLAG |
CERT_CHAIN_POLICY_IGNORE_ROOT_REV_UNKNOWN_FLAG;
CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_BASE,
rgpSigner[i].pChainContext, &policyPara, &policyStatus);
}
return policyStatus.dwError;
}
HRESULT WINAPI GenericChainFinalProv(CRYPT_PROVIDER_DATA *data)
{
HRESULT err = NO_ERROR; /* not a typo, MS confused the types */
WTD_GENERIC_CHAIN_POLICY_DATA *policyData =
data->pWintrustData->pPolicyCallbackData;
TRACE("(%p)\n", data);
if (data->pWintrustData->dwUIChoice != WTD_UI_NONE)
FIXME("unimplemented for UI choice %d\n",
data->pWintrustData->dwUIChoice);
if (!data->csSigners)
err = TRUST_E_NOSIGNATURE;
else
{
PFN_WTD_GENERIC_CHAIN_POLICY_CALLBACK policyCallback;
void *policyArg;
WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO *signers = NULL;
if (policyData)
{
policyCallback = policyData->pfnPolicyCallback;
policyArg = policyData->pvPolicyArg;
}
else
{
policyCallback = WINTRUST_DefaultPolicy;
policyArg = NULL;
}
if (data->csSigners)
{
DWORD i;
signers = data->psPfns->pfnAlloc(
data->csSigners * sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO));
if (signers)
{
for (i = 0; i < data->csSigners; i++)
{
signers[i].u.cbSize =
sizeof(WTD_GENERIC_CHAIN_POLICY_SIGNER_INFO);
signers[i].pChainContext =
data->pasSigners[i].pChainContext;
signers[i].dwSignerType = data->pasSigners[i].dwSignerType;
signers[i].pMsgSignerInfo = data->pasSigners[i].psSigner;
signers[i].dwError = data->pasSigners[i].dwError;
if (data->pasSigners[i].csCounterSigners)
FIXME("unimplemented for counter signers\n");
signers[i].cCounterSigner = 0;
signers[i].rgpCounterSigner = NULL;
}
}
else
err = ERROR_OUTOFMEMORY;
}
if (err == NO_ERROR)
err = policyCallback(data, TRUSTERROR_STEP_FINAL_POLICYPROV,
data->dwRegPolicySettings, data->csSigners, signers, policyArg);
data->psPfns->pfnFree(signers);
}
if (err != NO_ERROR)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV] = err;
TRACE("returning %d (%08x)\n", err == NO_ERROR ? S_OK : S_FALSE,
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_POLICYPROV]);
return err == NO_ERROR ? S_OK : S_FALSE;
}
HRESULT WINAPI SoftpubCleanup(CRYPT_PROVIDER_DATA *data)
{
DWORD i, j;
for (i = 0; i < data->csSigners; i++)
{
for (j = 0; j < data->pasSigners[i].csCertChain; j++)
CertFreeCertificateContext(data->pasSigners[i].pasCertChain[j].pCert);
data->psPfns->pfnFree(data->pasSigners[i].pasCertChain);
data->psPfns->pfnFree(data->pasSigners[i].psSigner);
CertFreeCertificateChain(data->pasSigners[i].pChainContext);
}
data->psPfns->pfnFree(data->pasSigners);
for (i = 0; i < data->chStores; i++)
CertCloseStore(data->pahStores[i], 0);
data->psPfns->pfnFree(data->pahStores);
if (data->u.pPDSip)
{
data->psPfns->pfnFree(data->u.pPDSip->pSip);
data->psPfns->pfnFree(data->u.pPDSip->pCATSip);
data->psPfns->pfnFree(data->u.pPDSip->psSipSubjectInfo);
data->psPfns->pfnFree(data->u.pPDSip->psSipCATSubjectInfo);
data->psPfns->pfnFree(data->u.pPDSip->psIndirectData);
}
CryptMsgClose(data->hMsg);
if (data->fOpenedFile &&
data->pWintrustData->dwUnionChoice == WTD_CHOICE_FILE)
CloseHandle(data->pWintrustData->u.pFile->hFile);
return S_OK;
}
HRESULT WINAPI HTTPSCertificateTrust(CRYPT_PROVIDER_DATA *data)
{
FIXME("(%p)\n", data);
return S_OK;
}
HRESULT WINAPI HTTPSFinalProv(CRYPT_PROVIDER_DATA *data)
{
FIXME("(%p)\n", data);
return S_OK;
}
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