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wine/dlls/wintrust/wintrust_main.c
Aric Stewart 2dca912aa9 wintrust: Stub WTHelperCertCheckValidSignature.
2009-06-24 11:27:56 +02:00

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/*
* Copyright 2001 Rein Klazes
* 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 "config.h"
#include <stdarg.h>
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "guiddef.h"
#include "wintrust.h"
#include "softpub.h"
#include "mscat.h"
#include "objbase.h"
#include "winuser.h"
#include "cryptdlg.h"
#include "cryptuiapi.h"
#include "wintrust_priv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wintrust);
/* Utility functions */
void * WINAPI WINTRUST_Alloc(DWORD cb)
{
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cb);
}
static void* WINTRUST_ReAlloc(void *ptr, DWORD cb) __WINE_ALLOC_SIZE(2);
static void* WINTRUST_ReAlloc(void *ptr, DWORD cb)
{
return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, ptr, cb);
}
void WINAPI WINTRUST_Free(void *p)
{
HeapFree(GetProcessHeap(), 0, p);
}
/***********************************************************************
* DllMain (WINTRUST.@)
*/
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
{
switch(reason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls( inst );
break;
}
return TRUE;
}
/***********************************************************************
* TrustIsCertificateSelfSigned (WINTRUST.@)
*/
BOOL WINAPI TrustIsCertificateSelfSigned( PCCERT_CONTEXT cert )
{
BOOL ret;
TRACE("%p\n", cert);
ret = CertCompareCertificateName(cert->dwCertEncodingType,
&cert->pCertInfo->Subject, &cert->pCertInfo->Issuer);
return ret;
}
typedef HRESULT (WINAPI *wintrust_step_func)(CRYPT_PROVIDER_DATA *data);
struct wintrust_step
{
wintrust_step_func func;
DWORD error_index;
};
static DWORD WINTRUST_ExecuteSteps(const struct wintrust_step *steps,
DWORD numSteps, CRYPT_PROVIDER_DATA *provData)
{
DWORD i, err = ERROR_SUCCESS;
for (i = 0; !err && i < numSteps; i++)
{
err = steps[i].func(provData);
if (err)
err = provData->padwTrustStepErrors[steps[i].error_index];
}
return err;
}
static CRYPT_PROVIDER_DATA *WINTRUST_AllocateProviderData(void)
{
CRYPT_PROVIDER_DATA *provData;
provData = WINTRUST_Alloc(sizeof(CRYPT_PROVIDER_DATA));
if (!provData)
goto oom;
provData->cbStruct = sizeof(CRYPT_PROVIDER_DATA);
provData->padwTrustStepErrors =
WINTRUST_Alloc(TRUSTERROR_MAX_STEPS * sizeof(DWORD));
if (!provData->padwTrustStepErrors)
goto oom;
provData->cdwTrustStepErrors = TRUSTERROR_MAX_STEPS;
provData->u.pPDSip = WINTRUST_Alloc(sizeof(PROVDATA_SIP));
if (!provData->u.pPDSip)
goto oom;
provData->u.pPDSip->cbStruct = sizeof(PROVDATA_SIP);
provData->psPfns = WINTRUST_Alloc(sizeof(CRYPT_PROVIDER_FUNCTIONS));
if (!provData->psPfns)
goto oom;
provData->psPfns->cbStruct = sizeof(CRYPT_PROVIDER_FUNCTIONS);
return provData;
oom:
if (provData)
{
WINTRUST_Free(provData->padwTrustStepErrors);
WINTRUST_Free(provData->u.pPDSip);
WINTRUST_Free(provData->psPfns);
WINTRUST_Free(provData);
}
return NULL;
}
/* Adds trust steps for each function in psPfns. Assumes steps has at least
* 5 entries. Returns the number of steps added.
*/
static DWORD WINTRUST_AddTrustStepsFromFunctions(struct wintrust_step *steps,
const CRYPT_PROVIDER_FUNCTIONS *psPfns)
{
DWORD numSteps = 0;
if (psPfns->pfnInitialize)
{
steps[numSteps].func = psPfns->pfnInitialize;
steps[numSteps++].error_index = TRUSTERROR_STEP_FINAL_WVTINIT;
}
if (psPfns->pfnObjectTrust)
{
steps[numSteps].func = psPfns->pfnObjectTrust;
steps[numSteps++].error_index = TRUSTERROR_STEP_FINAL_OBJPROV;
}
if (psPfns->pfnSignatureTrust)
{
steps[numSteps].func = psPfns->pfnSignatureTrust;
steps[numSteps++].error_index = TRUSTERROR_STEP_FINAL_SIGPROV;
}
if (psPfns->pfnCertificateTrust)
{
steps[numSteps].func = psPfns->pfnCertificateTrust;
steps[numSteps++].error_index = TRUSTERROR_STEP_FINAL_CERTPROV;
}
if (psPfns->pfnFinalPolicy)
{
steps[numSteps].func = psPfns->pfnFinalPolicy;
steps[numSteps++].error_index = TRUSTERROR_STEP_FINAL_POLICYPROV;
}
return numSteps;
}
static LONG WINTRUST_DefaultVerify(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
DWORD err = ERROR_SUCCESS, numSteps = 0;
CRYPT_PROVIDER_DATA *provData;
BOOL ret;
struct wintrust_step verifySteps[5];
TRACE("(%p, %s, %p)\n", hwnd, debugstr_guid(actionID), data);
provData = WINTRUST_AllocateProviderData();
if (!provData)
return ERROR_OUTOFMEMORY;
ret = WintrustLoadFunctionPointers(actionID, provData->psPfns);
if (!ret)
{
err = GetLastError();
goto error;
}
data->hWVTStateData = provData;
provData->pWintrustData = data;
if (hwnd == INVALID_HANDLE_VALUE)
provData->hWndParent = GetDesktopWindow();
else
provData->hWndParent = hwnd;
provData->pgActionID = actionID;
WintrustGetRegPolicyFlags(&provData->dwRegPolicySettings);
numSteps = WINTRUST_AddTrustStepsFromFunctions(verifySteps,
provData->psPfns);
err = WINTRUST_ExecuteSteps(verifySteps, numSteps, provData);
goto done;
error:
if (provData)
{
WINTRUST_Free(provData->padwTrustStepErrors);
WINTRUST_Free(provData->u.pPDSip);
WINTRUST_Free(provData->psPfns);
WINTRUST_Free(provData);
}
done:
TRACE("returning %08x\n", err);
return err;
}
static LONG WINTRUST_DefaultClose(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
DWORD err = ERROR_SUCCESS;
CRYPT_PROVIDER_DATA *provData = data->hWVTStateData;
TRACE("(%p, %s, %p)\n", hwnd, debugstr_guid(actionID), data);
if (provData)
{
if (provData->psPfns->pfnCleanupPolicy)
err = provData->psPfns->pfnCleanupPolicy(provData);
WINTRUST_Free(provData->padwTrustStepErrors);
WINTRUST_Free(provData->u.pPDSip);
WINTRUST_Free(provData->psPfns);
WINTRUST_Free(provData);
data->hWVTStateData = NULL;
}
TRACE("returning %08x\n", err);
return err;
}
static LONG WINTRUST_DefaultVerifyAndClose(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
LONG err;
TRACE("(%p, %s, %p)\n", hwnd, debugstr_guid(actionID), data);
err = WINTRUST_DefaultVerify(hwnd, actionID, data);
WINTRUST_DefaultClose(hwnd, actionID, data);
TRACE("returning %08x\n", err);
return err;
}
static LONG WINTRUST_PublishedSoftware(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
WINTRUST_DATA wintrust_data = { sizeof(wintrust_data), 0 };
/* Undocumented: the published software action is passed a path,
* and pSIPClientData points to a WIN_TRUST_SUBJECT_FILE.
*/
LPWIN_TRUST_SUBJECT_FILE subjectFile = data->pSIPClientData;
WINTRUST_FILE_INFO fileInfo = { sizeof(fileInfo), 0 };
TRACE("subjectFile->hFile: %p\n", subjectFile->hFile);
TRACE("subjectFile->lpPath: %s\n", debugstr_w(subjectFile->lpPath));
fileInfo.pcwszFilePath = subjectFile->lpPath;
fileInfo.hFile = subjectFile->hFile;
wintrust_data.u.pFile = &fileInfo;
wintrust_data.dwUnionChoice = WTD_CHOICE_FILE;
wintrust_data.dwUIChoice = WTD_UI_NONE;
return WINTRUST_DefaultVerifyAndClose(hwnd, actionID, &wintrust_data);
}
/* Sadly, the function to load the cert for the CERT_CERTIFICATE_ACTION_VERIFY
* action is not stored in the registry and is located in wintrust, not in
* cryptdlg along with the rest of the implementation (verified by running the
* action with a native wintrust.dll.)
*/
static HRESULT WINAPI WINTRUST_CertVerifyObjTrust(CRYPT_PROVIDER_DATA *data)
{
BOOL ret;
TRACE("(%p)\n", data);
if (!data->padwTrustStepErrors)
return S_FALSE;
switch (data->pWintrustData->dwUnionChoice)
{
case WTD_CHOICE_BLOB:
if (data->pWintrustData->u.pBlob &&
WVT_IS_CBSTRUCT_GT_MEMBEROFFSET(WINTRUST_BLOB_INFO,
data->pWintrustData->u.pBlob->cbStruct, pbMemObject) &&
data->pWintrustData->u.pBlob->cbMemObject ==
sizeof(CERT_VERIFY_CERTIFICATE_TRUST) &&
data->pWintrustData->u.pBlob->pbMemObject)
{
CERT_VERIFY_CERTIFICATE_TRUST *pCert =
(CERT_VERIFY_CERTIFICATE_TRUST *)
data->pWintrustData->u.pBlob->pbMemObject;
if (pCert->cbSize == sizeof(CERT_VERIFY_CERTIFICATE_TRUST) &&
pCert->pccert)
{
CRYPT_PROVIDER_SGNR signer = { sizeof(signer), { 0 } };
DWORD i;
SYSTEMTIME sysTime;
/* Add a signer with nothing but the time to verify, so we can
* add a cert to it
*/
GetSystemTime(&sysTime);
SystemTimeToFileTime(&sysTime, &signer.sftVerifyAsOf);
ret = data->psPfns->pfnAddSgnr2Chain(data, FALSE, 0, &signer);
if (!ret)
goto error;
ret = data->psPfns->pfnAddCert2Chain(data, 0, FALSE, 0,
pCert->pccert);
if (!ret)
goto error;
for (i = 0; ret && i < pCert->cRootStores; i++)
ret = data->psPfns->pfnAddStore2Chain(data,
pCert->rghstoreRoots[i]);
for (i = 0; ret && i < pCert->cStores; i++)
ret = data->psPfns->pfnAddStore2Chain(data,
pCert->rghstoreCAs[i]);
for (i = 0; ret && i < pCert->cTrustStores; i++)
ret = data->psPfns->pfnAddStore2Chain(data,
pCert->rghstoreTrust[i]);
}
else
{
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
}
}
else
{
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
}
break;
default:
FIXME("unimplemented for %d\n", data->pWintrustData->dwUnionChoice);
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
}
error:
if (!ret)
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV] =
GetLastError();
TRACE("returning %d (%08x)\n", ret ? S_OK : S_FALSE,
data->padwTrustStepErrors[TRUSTERROR_STEP_FINAL_OBJPROV]);
return ret ? S_OK : S_FALSE;
}
static LONG WINTRUST_CertVerify(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
DWORD err = ERROR_SUCCESS, numSteps = 0;
CRYPT_PROVIDER_DATA *provData;
BOOL ret;
struct wintrust_step verifySteps[5];
TRACE("(%p, %s, %p)\n", hwnd, debugstr_guid(actionID), data);
provData = WINTRUST_AllocateProviderData();
if (!provData)
return ERROR_OUTOFMEMORY;
ret = WintrustLoadFunctionPointers(actionID, provData->psPfns);
if (!ret)
{
err = GetLastError();
goto error;
}
if (!provData->psPfns->pfnObjectTrust)
provData->psPfns->pfnObjectTrust = WINTRUST_CertVerifyObjTrust;
/* Not sure why, but native skips the policy check */
provData->psPfns->pfnCertCheckPolicy = NULL;
data->hWVTStateData = provData;
provData->pWintrustData = data;
if (hwnd == INVALID_HANDLE_VALUE)
provData->hWndParent = GetDesktopWindow();
else
provData->hWndParent = hwnd;
provData->pgActionID = actionID;
WintrustGetRegPolicyFlags(&provData->dwRegPolicySettings);
numSteps = WINTRUST_AddTrustStepsFromFunctions(verifySteps,
provData->psPfns);
err = WINTRUST_ExecuteSteps(verifySteps, numSteps, provData);
goto done;
error:
if (provData)
{
WINTRUST_Free(provData->padwTrustStepErrors);
WINTRUST_Free(provData->u.pPDSip);
WINTRUST_Free(provData->psPfns);
WINTRUST_Free(provData);
}
done:
TRACE("returning %08x\n", err);
return err;
}
static LONG WINTRUST_CertVerifyAndClose(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
LONG err;
TRACE("(%p, %s, %p)\n", hwnd, debugstr_guid(actionID), data);
err = WINTRUST_CertVerify(hwnd, actionID, data);
WINTRUST_DefaultClose(hwnd, actionID, data);
TRACE("returning %08x\n", err);
return err;
}
static LONG WINTRUST_CertActionVerify(HWND hwnd, GUID *actionID,
WINTRUST_DATA *data)
{
DWORD stateAction;
LONG err = ERROR_SUCCESS;
if (WVT_ISINSTRUCT(WINTRUST_DATA, data->cbStruct, dwStateAction))
stateAction = data->dwStateAction;
else
{
TRACE("no dwStateAction, assuming WTD_STATEACTION_IGNORE\n");
stateAction = WTD_STATEACTION_IGNORE;
}
switch (stateAction)
{
case WTD_STATEACTION_IGNORE:
err = WINTRUST_CertVerifyAndClose(hwnd, actionID, data);
break;
case WTD_STATEACTION_VERIFY:
err = WINTRUST_CertVerify(hwnd, actionID, data);
break;
case WTD_STATEACTION_CLOSE:
err = WINTRUST_DefaultClose(hwnd, actionID, data);
break;
default:
FIXME("unimplemented for %d\n", data->dwStateAction);
}
return err;
}
static void dump_file_info(WINTRUST_FILE_INFO *pFile)
{
TRACE("%p\n", pFile);
if (pFile)
{
TRACE("cbStruct: %d\n", pFile->cbStruct);
TRACE("pcwszFilePath: %s\n", debugstr_w(pFile->pcwszFilePath));
TRACE("hFile: %p\n", pFile->hFile);
TRACE("pgKnownSubject: %s\n", debugstr_guid(pFile->pgKnownSubject));
}
}
static void dump_catalog_info(WINTRUST_CATALOG_INFO *catalog)
{
TRACE("%p\n", catalog);
if (catalog)
{
TRACE("cbStruct: %d\n", catalog->cbStruct);
TRACE("dwCatalogVersion: %d\n", catalog->dwCatalogVersion);
TRACE("pcwszCatalogFilePath: %s\n",
debugstr_w(catalog->pcwszCatalogFilePath));
TRACE("pcwszMemberTag: %s\n", debugstr_w(catalog->pcwszMemberTag));
TRACE("pcwszMemberFilePath: %s\n",
debugstr_w(catalog->pcwszMemberFilePath));
TRACE("hMemberFile: %p\n", catalog->hMemberFile);
TRACE("pbCalculatedFileHash: %p\n", catalog->pbCalculatedFileHash);
TRACE("cbCalculatedFileHash: %d\n", catalog->cbCalculatedFileHash);
TRACE("pcCatalogContext: %p\n", catalog->pcCatalogContext);
}
}
static void dump_blob_info(WINTRUST_BLOB_INFO *blob)
{
TRACE("%p\n", blob);
if (blob)
{
TRACE("cbStruct: %d\n", blob->cbStruct);
TRACE("gSubject: %s\n", debugstr_guid(&blob->gSubject));
TRACE("pcwszDisplayName: %s\n", debugstr_w(blob->pcwszDisplayName));
TRACE("cbMemObject: %d\n", blob->cbMemObject);
TRACE("pbMemObject: %p\n", blob->pbMemObject);
TRACE("cbMemSignedMsg: %d\n", blob->cbMemSignedMsg);
TRACE("pbMemSignedMsg: %p\n", blob->pbMemSignedMsg);
}
}
static void dump_sgnr_info(WINTRUST_SGNR_INFO *sgnr)
{
TRACE("%p\n", sgnr);
if (sgnr)
{
TRACE("cbStruct: %d\n", sgnr->cbStruct);
TRACE("pcwszDisplayName: %s\n", debugstr_w(sgnr->pcwszDisplayName));
TRACE("psSignerInfo: %p\n", sgnr->psSignerInfo);
TRACE("chStores: %d\n", sgnr->chStores);
}
}
static void dump_cert_info(WINTRUST_CERT_INFO *cert)
{
TRACE("%p\n", cert);
if (cert)
{
TRACE("cbStruct: %d\n", cert->cbStruct);
TRACE("pcwszDisplayName: %s\n", debugstr_w(cert->pcwszDisplayName));
TRACE("psCertContext: %p\n", cert->psCertContext);
TRACE("chStores: %d\n", cert->chStores);
TRACE("dwFlags: %08x\n", cert->dwFlags);
TRACE("psftVerifyAsOf: %p\n", cert->psftVerifyAsOf);
}
}
static void dump_wintrust_data(WINTRUST_DATA *data)
{
TRACE("%p\n", data);
if (data)
{
TRACE("cbStruct: %d\n", data->cbStruct);
TRACE("pPolicyCallbackData: %p\n", data->pPolicyCallbackData);
TRACE("pSIPClientData: %p\n", data->pSIPClientData);
TRACE("dwUIChoice: %d\n", data->dwUIChoice);
TRACE("fdwRevocationChecks: %08x\n", data->fdwRevocationChecks);
TRACE("dwUnionChoice: %d\n", data->dwUnionChoice);
switch (data->dwUnionChoice)
{
case WTD_CHOICE_FILE:
dump_file_info(data->u.pFile);
break;
case WTD_CHOICE_CATALOG:
dump_catalog_info(data->u.pCatalog);
break;
case WTD_CHOICE_BLOB:
dump_blob_info(data->u.pBlob);
break;
case WTD_CHOICE_SIGNER:
dump_sgnr_info(data->u.pSgnr);
break;
case WTD_CHOICE_CERT:
dump_cert_info(data->u.pCert);
break;
}
TRACE("dwStateAction: %d\n", data->dwStateAction);
TRACE("hWVTStateData: %p\n", data->hWVTStateData);
TRACE("pwszURLReference: %s\n", debugstr_w(data->pwszURLReference));
TRACE("dwProvFlags: %08x\n", data->dwProvFlags);
TRACE("dwUIContext: %d\n", data->dwUIContext);
}
}
/***********************************************************************
* WinVerifyTrust (WINTRUST.@)
*
* Verifies an object by calling the specified trust provider.
*
* PARAMS
* hwnd [I] Handle to a caller window.
* ActionID [I] Pointer to a GUID that identifies the action to perform.
* ActionData [I] Information used by the trust provider to verify the object.
*
* RETURNS
* Success: Zero.
* Failure: A TRUST_E_* error code.
*
* NOTES
* Trust providers can be found at:
* HKLM\SOFTWARE\Microsoft\Cryptography\Providers\Trust\
*/
LONG WINAPI WinVerifyTrust( HWND hwnd, GUID *ActionID, LPVOID ActionData )
{
static const GUID unknown = { 0xC689AAB8, 0x8E78, 0x11D0, { 0x8C,0x47,
0x00,0xC0,0x4F,0xC2,0x95,0xEE } };
static const GUID published_software = WIN_SPUB_ACTION_PUBLISHED_SOFTWARE;
static const GUID generic_verify_v2 = WINTRUST_ACTION_GENERIC_VERIFY_V2;
static const GUID generic_cert_verify = WINTRUST_ACTION_GENERIC_CERT_VERIFY;
static const GUID generic_chain_verify = WINTRUST_ACTION_GENERIC_CHAIN_VERIFY;
static const GUID cert_action_verify = CERT_CERTIFICATE_ACTION_VERIFY;
LONG err = ERROR_SUCCESS;
WINTRUST_DATA *actionData = ActionData;
TRACE("(%p, %s, %p)\n", hwnd, debugstr_guid(ActionID), ActionData);
dump_wintrust_data(ActionData);
/* Support for known old-style callers: */
if (IsEqualGUID(ActionID, &published_software))
err = WINTRUST_PublishedSoftware(hwnd, ActionID, ActionData);
else if (IsEqualGUID(ActionID, &cert_action_verify))
err = WINTRUST_CertActionVerify(hwnd, ActionID, ActionData);
else
{
DWORD stateAction;
/* Check known actions to warn of possible problems */
if (!IsEqualGUID(ActionID, &unknown) &&
!IsEqualGUID(ActionID, &generic_verify_v2) &&
!IsEqualGUID(ActionID, &generic_cert_verify) &&
!IsEqualGUID(ActionID, &generic_chain_verify))
WARN("unknown action %s, default behavior may not be right\n",
debugstr_guid(ActionID));
if (WVT_ISINSTRUCT(WINTRUST_DATA, actionData->cbStruct, dwStateAction))
stateAction = actionData->dwStateAction;
else
{
TRACE("no dwStateAction, assuming WTD_STATEACTION_IGNORE\n");
stateAction = WTD_STATEACTION_IGNORE;
}
switch (stateAction)
{
case WTD_STATEACTION_IGNORE:
err = WINTRUST_DefaultVerifyAndClose(hwnd, ActionID, ActionData);
break;
case WTD_STATEACTION_VERIFY:
err = WINTRUST_DefaultVerify(hwnd, ActionID, ActionData);
break;
case WTD_STATEACTION_CLOSE:
err = WINTRUST_DefaultClose(hwnd, ActionID, ActionData);
break;
default:
FIXME("unimplemented for %d\n", actionData->dwStateAction);
}
}
TRACE("returning %08x\n", err);
return err;
}
/***********************************************************************
* WinVerifyTrustEx (WINTRUST.@)
*/
HRESULT WINAPI WinVerifyTrustEx( HWND hwnd, GUID *ActionID,
WINTRUST_DATA* ActionData )
{
return WinVerifyTrust(hwnd, ActionID, ActionData);
}
/***********************************************************************
* WTHelperGetProvSignerFromChain (WINTRUST.@)
*/
CRYPT_PROVIDER_SGNR * WINAPI WTHelperGetProvSignerFromChain(
CRYPT_PROVIDER_DATA *pProvData, DWORD idxSigner, BOOL fCounterSigner,
DWORD idxCounterSigner)
{
CRYPT_PROVIDER_SGNR *sgnr;
TRACE("(%p %d %d %d)\n", pProvData, idxSigner, fCounterSigner,
idxCounterSigner);
if (idxSigner >= pProvData->csSigners || !pProvData->pasSigners)
return NULL;
sgnr = &pProvData->pasSigners[idxSigner];
if (fCounterSigner)
{
if (idxCounterSigner >= sgnr->csCounterSigners ||
!sgnr->pasCounterSigners)
return NULL;
sgnr = &sgnr->pasCounterSigners[idxCounterSigner];
}
TRACE("returning %p\n", sgnr);
return sgnr;
}
/***********************************************************************
* WTHelperGetProvCertFromChain (WINTRUST.@)
*/
CRYPT_PROVIDER_CERT * WINAPI WTHelperGetProvCertFromChain(
CRYPT_PROVIDER_SGNR *pSgnr, DWORD idxCert)
{
CRYPT_PROVIDER_CERT *cert;
TRACE("(%p %d)\n", pSgnr, idxCert);
if (idxCert >= pSgnr->csCertChain || !pSgnr->pasCertChain)
return NULL;
cert = &pSgnr->pasCertChain[idxCert];
TRACE("returning %p\n", cert);
return cert;
}
CRYPT_PROVIDER_PRIVDATA *WINAPI WTHelperGetProvPrivateDataFromChain(
CRYPT_PROVIDER_DATA* pProvData,
GUID* pgProviderID)
{
CRYPT_PROVIDER_PRIVDATA *privdata = NULL;
DWORD i;
TRACE("(%p, %s)\n", pProvData, debugstr_guid(pgProviderID));
for (i = 0; i < pProvData->csProvPrivData; i++)
if (IsEqualGUID(pgProviderID, &pProvData->pasProvPrivData[i].gProviderID))
{
privdata = &pProvData->pasProvPrivData[i];
break;
}
return privdata;
}
/***********************************************************************
* WTHelperProvDataFromStateData (WINTRUST.@)
*/
CRYPT_PROVIDER_DATA * WINAPI WTHelperProvDataFromStateData(HANDLE hStateData)
{
TRACE("%p\n", hStateData);
return hStateData;
}
/***********************************************************************
* WTHelperGetFileName(WINTRUST.@)
*/
LPCWSTR WINAPI WTHelperGetFileName(WINTRUST_DATA *data)
{
TRACE("%p\n",data);
if (data->dwUnionChoice == WTD_CHOICE_FILE)
return data->u.pFile->pcwszFilePath;
else
return NULL;
}
/***********************************************************************
* WTHelperGetFileHandle(WINTRUST.@)
*/
HANDLE WINAPI WTHelperGetFileHandle(WINTRUST_DATA *data)
{
TRACE("%p\n",data);
if (data->dwUnionChoice == WTD_CHOICE_FILE)
return data->u.pFile->hFile;
else
return INVALID_HANDLE_VALUE;
}
static BOOL WINAPI WINTRUST_enumUsages(PCCRYPT_OID_INFO pInfo, void *pvArg)
{
PCCRYPT_OID_INFO **usages = pvArg;
DWORD cUsages;
BOOL ret;
if (!*usages)
{
cUsages = 0;
*usages = WINTRUST_Alloc(2 * sizeof(PCCRYPT_OID_INFO));
}
else
{
PCCRYPT_OID_INFO *ptr;
/* Count the existing usages.
* FIXME: make sure the new usage doesn't duplicate any in the list?
*/
for (cUsages = 0, ptr = *usages; *ptr; ptr++, cUsages++)
;
*usages = WINTRUST_ReAlloc(*usages,
(cUsages + 2) * sizeof(PCCRYPT_OID_INFO));
}
if (*usages)
{
(*usages)[cUsages] = pInfo;
(*usages)[cUsages + 1] = NULL;
ret = TRUE;
}
else
{
SetLastError(ERROR_OUTOFMEMORY);
ret = FALSE;
}
return ret;
}
/***********************************************************************
* WTHelperGetKnownUsages(WINTRUST.@)
*
* Enumerates the known enhanced key usages as an array of PCCRYPT_OID_INFOs.
*
* PARAMS
* action [In] 1 => allocate and return known usages, 2 => free previously
* allocated usages.
* usages [In/Out] If action == 1, *usages is set to an array of
* PCCRYPT_OID_INFO *. The array is terminated with a NULL
* pointer.
* If action == 2, *usages is freed.
*
* RETURNS
* TRUE on success, FALSE on failure.
*/
BOOL WINAPI WTHelperGetKnownUsages(DWORD action, PCCRYPT_OID_INFO **usages)
{
BOOL ret;
TRACE("(%d, %p)\n", action, usages);
if (!usages)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (action == 1)
{
*usages = NULL;
ret = CryptEnumOIDInfo(CRYPT_ENHKEY_USAGE_OID_GROUP_ID, 0, usages,
WINTRUST_enumUsages);
}
else if (action == 2)
{
WINTRUST_Free(*usages);
*usages = NULL;
ret = TRUE;
}
else
{
WARN("unknown action %d\n", action);
SetLastError(ERROR_INVALID_PARAMETER);
ret = FALSE;
}
return ret;
}
static const WCHAR Software_Publishing[] = {
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'W','i','n','t','r','u','s','t','\\',
'T','r','u','s','t',' ','P','r','o','v','i','d','e','r','s','\\',
'S','o','f','t','w','a','r','e',' ',
'P','u','b','l','i','s','h','i','n','g',0 };
static const WCHAR State[] = { 'S','t','a','t','e',0 };
/***********************************************************************
* WintrustGetRegPolicyFlags (WINTRUST.@)
*/
void WINAPI WintrustGetRegPolicyFlags( DWORD* pdwPolicyFlags )
{
HKEY key;
LONG r;
TRACE("%p\n", pdwPolicyFlags);
*pdwPolicyFlags = 0;
r = RegCreateKeyExW(HKEY_CURRENT_USER, Software_Publishing, 0, NULL, 0,
KEY_READ, NULL, &key, NULL);
if (!r)
{
DWORD size = sizeof(DWORD);
r = RegQueryValueExW(key, State, NULL, NULL, (LPBYTE)pdwPolicyFlags,
&size);
RegCloseKey(key);
if (r)
{
/* Failed to query, create and return default value */
*pdwPolicyFlags = WTPF_IGNOREREVOCATIONONTS |
WTPF_OFFLINEOKNBU_COM |
WTPF_OFFLINEOKNBU_IND |
WTPF_OFFLINEOK_COM |
WTPF_OFFLINEOK_IND;
WintrustSetRegPolicyFlags(*pdwPolicyFlags);
}
}
}
/***********************************************************************
* WintrustSetRegPolicyFlags (WINTRUST.@)
*/
BOOL WINAPI WintrustSetRegPolicyFlags( DWORD dwPolicyFlags)
{
HKEY key;
LONG r;
TRACE("%x\n", dwPolicyFlags);
r = RegCreateKeyExW(HKEY_CURRENT_USER, Software_Publishing, 0,
NULL, 0, KEY_WRITE, NULL, &key, NULL);
if (!r)
{
r = RegSetValueExW(key, State, 0, REG_DWORD, (LPBYTE)&dwPolicyFlags,
sizeof(DWORD));
RegCloseKey(key);
}
if (r) SetLastError(r);
return r == ERROR_SUCCESS;
}
/* Utility functions */
BOOL WINAPI WINTRUST_AddStore(CRYPT_PROVIDER_DATA *data, HCERTSTORE store)
{
BOOL ret = FALSE;
TRACE("(%p, %p)\n", data, store);
if (data->chStores)
data->pahStores = WINTRUST_ReAlloc(data->pahStores,
(data->chStores + 1) * sizeof(HCERTSTORE));
else
{
data->pahStores = WINTRUST_Alloc(sizeof(HCERTSTORE));
data->chStores = 0;
}
if (data->pahStores)
{
data->pahStores[data->chStores++] = CertDuplicateStore(store);
ret = TRUE;
}
else
SetLastError(ERROR_OUTOFMEMORY);
return ret;
}
BOOL WINAPI WINTRUST_AddSgnr(CRYPT_PROVIDER_DATA *data,
BOOL fCounterSigner, DWORD idxSigner, CRYPT_PROVIDER_SGNR *sgnr)
{
BOOL ret = FALSE;
TRACE("(%p, %d, %d, %p)\n", data, fCounterSigner, idxSigner, sgnr);
if (sgnr->cbStruct > sizeof(CRYPT_PROVIDER_SGNR))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (fCounterSigner)
{
FIXME("unimplemented for counter signers\n");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (data->csSigners)
data->pasSigners = WINTRUST_ReAlloc(data->pasSigners,
(data->csSigners + 1) * sizeof(CRYPT_PROVIDER_SGNR));
else
{
data->pasSigners = WINTRUST_Alloc(sizeof(CRYPT_PROVIDER_SGNR));
data->csSigners = 0;
}
if (data->pasSigners)
{
if (idxSigner < data->csSigners)
memmove(&data->pasSigners[idxSigner],
&data->pasSigners[idxSigner + 1],
(data->csSigners - idxSigner) * sizeof(CRYPT_PROVIDER_SGNR));
ret = TRUE;
if (sgnr->cbStruct == sizeof(CRYPT_PROVIDER_SGNR))
{
/* The PSDK says psSigner should be allocated using pfnAlloc, but
* it doesn't say anything about ownership. Since callers are
* internal, assume ownership is passed, and just store the
* pointer.
*/
memcpy(&data->pasSigners[idxSigner], sgnr,
sizeof(CRYPT_PROVIDER_SGNR));
}
else
memset(&data->pasSigners[idxSigner], 0,
sizeof(CRYPT_PROVIDER_SGNR));
data->csSigners++;
}
else
SetLastError(ERROR_OUTOFMEMORY);
return ret;
}
BOOL WINAPI WINTRUST_AddCert(CRYPT_PROVIDER_DATA *data, DWORD idxSigner,
BOOL fCounterSigner, DWORD idxCounterSigner, PCCERT_CONTEXT pCert2Add)
{
BOOL ret = FALSE;
TRACE("(%p, %d, %d, %d, %p)\n", data, idxSigner, fCounterSigner,
idxSigner, pCert2Add);
if (fCounterSigner)
{
FIXME("unimplemented for counter signers\n");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (data->pasSigners[idxSigner].csCertChain)
data->pasSigners[idxSigner].pasCertChain =
WINTRUST_ReAlloc(data->pasSigners[idxSigner].pasCertChain,
(data->pasSigners[idxSigner].csCertChain + 1) *
sizeof(CRYPT_PROVIDER_CERT));
else
{
data->pasSigners[idxSigner].pasCertChain =
WINTRUST_Alloc(sizeof(CRYPT_PROVIDER_CERT));
data->pasSigners[idxSigner].csCertChain = 0;
}
if (data->pasSigners[idxSigner].pasCertChain)
{
CRYPT_PROVIDER_CERT *cert = &data->pasSigners[idxSigner].pasCertChain[
data->pasSigners[idxSigner].csCertChain];
cert->cbStruct = sizeof(CRYPT_PROVIDER_CERT);
cert->pCert = CertDuplicateCertificateContext(pCert2Add);
data->pasSigners[idxSigner].csCertChain++;
ret = TRUE;
}
else
SetLastError(ERROR_OUTOFMEMORY);
return ret;
}
BOOL WINAPI WINTRUST_AddPrivData(CRYPT_PROVIDER_DATA *data,
CRYPT_PROVIDER_PRIVDATA *pPrivData2Add)
{
BOOL ret = FALSE;
TRACE("(%p, %p)\n", data, pPrivData2Add);
if (pPrivData2Add->cbStruct > sizeof(CRYPT_PROVIDER_PRIVDATA))
{
SetLastError(ERROR_INVALID_PARAMETER);
WARN("invalid struct size\n");
return FALSE;
}
if (data->csProvPrivData)
data->pasProvPrivData = WINTRUST_ReAlloc(data->pasProvPrivData,
(data->csProvPrivData + 1) * sizeof(CRYPT_PROVIDER_SGNR));
else
{
data->pasProvPrivData = WINTRUST_Alloc(sizeof(CRYPT_PROVIDER_SGNR));
data->csProvPrivData = 0;
}
if (data->pasProvPrivData)
{
DWORD i;
for (i = 0; i < data->csProvPrivData; i++)
if (IsEqualGUID(&pPrivData2Add->gProviderID, &data->pasProvPrivData[i]))
break;
data->pasProvPrivData[i] = *pPrivData2Add;
if (i == data->csProvPrivData)
data->csProvPrivData++;
}
else
SetLastError(ERROR_OUTOFMEMORY);
return ret;
}
/***********************************************************************
* OpenPersonalTrustDBDialog (WINTRUST.@)
*
* Opens the certificate manager dialog, showing only the stores that
* contain trusted software publishers.
*
* PARAMS
* hwnd [I] handle of parent window
*
* RETURNS
* TRUE if the dialog could be opened, FALSE if not.
*/
BOOL WINAPI OpenPersonalTrustDBDialog(HWND hwnd)
{
CRYPTUI_CERT_MGR_STRUCT uiCertMgr;
uiCertMgr.dwSize = sizeof(uiCertMgr);
uiCertMgr.hwndParent = hwnd;
uiCertMgr.dwFlags = CRYPTUI_CERT_MGR_PUBLISHER_TAB;
uiCertMgr.pwszTitle = NULL;
uiCertMgr.pszInitUsageOID = NULL;
return CryptUIDlgCertMgr(&uiCertMgr);
}
/***********************************************************************
* WTHelperCertCheckValidSignature
*/
HRESULT WINAPI WTHelperCertCheckValidSignature(CRYPT_PROVIDER_DATA *pProvData)
{
FIXME("Stub\n");
return S_OK;
}
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