Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////////
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 2000-2001.
//
// File: SaferEntry.cpp
//
// Contents: Implementation of CSaferEntry
//
//----------------------------------------------------------------------------
#include "stdafx.h"
#include <gpedit.h>
#include "SaferEntry.h"
#include "PolicyKey.h"
#include "SaferLevel.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
extern HKEY g_hkeyLastSaferRegistryScope;
const DWORD AUTHZ_UNKNOWN_LEVEL = 0xFFFFFFFF;
extern GUID g_guidExtension;
extern GUID g_guidRegExt;
extern GUID g_guidSnapin;
extern PCWSTR pcszNEWLINE;
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CSaferEntry::CSaferEntry (
SAFER_ENTRY_TYPE saferEntryType,
bool bIsMachine,
PCWSTR pszMachineName,
PCWSTR pszObjectName,
PSAFER_IDENTIFICATION_HEADER pAuthzInfo,
DWORD dwLevelID,
IGPEInformation* pGPEInformation,
CCertificate* pCertificate,
CSaferEntries* pSaferEntries,
CRSOPObjectArray& rRSOPArray,
PCWSTR pszRSOPRegistryKey)
: CCertMgrCookie (bIsMachine ? CERTMGR_SAFER_COMPUTER_ENTRY : CERTMGR_SAFER_USER_ENTRY,
pszMachineName, pszObjectName),
m_pAuthzInfo (pAuthzInfo),
m_dwLevelID (dwLevelID),
m_dwOriginalLevelID (dwLevelID),
m_pCertificate (pCertificate),
m_pSaferEntries (pSaferEntries),
m_pGPEInformation (pGPEInformation),
m_saferEntryType (saferEntryType),
m_dwFlags (0),
m_bDeleted (false),
m_cbFileHash (0),
m_UrlZoneId (0),
m_szRSOPRegistryKey (pszRSOPRegistryKey),
m_hashAlgid (0),
m_bIsComputer (bIsMachine)
{
::ZeroMemory (&m_nHashFileSize, sizeof (__int64));
::ZeroMemory (m_rgbFileHash, SAFER_MAX_HASH_SIZE);
m_szDisplayName = pszObjectName;
if ( m_pCertificate )
m_pCertificate->AddRef ();
if ( m_pSaferEntries )
m_pSaferEntries->AddRef ();
if ( m_pGPEInformation )
{
m_pGPEInformation->AddRef ();
CPolicyKey policyKey (m_pGPEInformation,
SAFER_HKLM_REGBASE,
bIsMachine);
if ( AUTHZ_UNKNOWN_LEVEL == m_dwLevelID )
{
// Bug 264556 Set better Security level defaults for new Safer rules
m_dwLevelID = CSaferLevel::ReturnDefaultLevel (
m_pGPEInformation,
m_bIsComputer,
rRSOPArray);
if ( SAFER_LEVELID_FULLYTRUSTED == m_dwLevelID )
m_dwLevelID = SAFER_LEVELID_DISALLOWED;
else
m_dwLevelID = SAFER_LEVELID_FULLYTRUSTED;
}
m_szLevelFriendlyName = SaferGetLevelFriendlyName (m_dwLevelID,
policyKey.GetKey (), m_bIsComputer);
}
else
{
m_szLevelFriendlyName = SaferGetLevelFriendlyName (m_dwLevelID, 0,
m_bIsComputer);
}
if ( SAFER_ENTRY_TYPE_URLZONE == m_saferEntryType )
{
if ( m_pAuthzInfo )
{
ASSERT (SaferIdentityTypeUrlZone == m_pAuthzInfo->dwIdentificationType);
PSAFER_URLZONE_IDENTIFICATION pURLEntry =
reinterpret_cast <PSAFER_URLZONE_IDENTIFICATION> (m_pAuthzInfo);
ASSERT (pURLEntry->header.cbStructSize ==
sizeof (SAFER_URLZONE_IDENTIFICATION));
m_UrlZoneId = pURLEntry->UrlZoneId;
}
else
{
// This is a new entry
m_UrlZoneId = URLZONE_TRUSTED;
}
}
}
CSaferEntry::~CSaferEntry()
{
if ( m_pAuthzInfo )
LocalFree (m_pAuthzInfo);
if ( m_pCertificate )
m_pCertificate->Release ();
if ( m_pSaferEntries )
m_pSaferEntries->Release ();
if ( m_pGPEInformation )
m_pGPEInformation->Release ();
}
CString CSaferEntry::GetDescription()
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
CString szDescription;
if ( SAFER_ENTRY_TYPE_URLZONE == m_saferEntryType )
{
switch (m_UrlZoneId)
{
case URLZONE_LOCAL_MACHINE:
VERIFY (szDescription.LoadString (IDS_URLZONE_LOCAL_MACHINE_DESCRIPTION));
break;
case URLZONE_INTRANET:
VERIFY (szDescription.LoadString (IDS_URLZONE_INTRANET_DESCRIPTION));
break;
case URLZONE_TRUSTED:
VERIFY (szDescription.LoadString (IDS_URLZONE_TRUSTED_DESCRIPTION));
break;
case URLZONE_INTERNET:
VERIFY (szDescription.LoadString (IDS_URLZONE_INTERNET_DESCRIPTION));
break;
case URLZONE_UNTRUSTED:
VERIFY (szDescription.LoadString (IDS_URLZONE_UNTRUSTED_DESCRIPTION));
break;
default:
ASSERT (0);
break;
}
}
else if ( m_pAuthzInfo )
{
switch (m_pAuthzInfo->dwIdentificationType)
{
case SaferIdentityTypeImageName:
{
PSAFER_PATHNAME_IDENTIFICATION pNameEntry =
(PSAFER_PATHNAME_IDENTIFICATION) m_pAuthzInfo;
ASSERT (pNameEntry->header.cbStructSize >=
sizeof (SAFER_PATHNAME_IDENTIFICATION));
szDescription = pNameEntry->Description;
}
break;
case SaferIdentityTypeImageHash:
{
PSAFER_HASH_IDENTIFICATION pHashEntry =
(PSAFER_HASH_IDENTIFICATION) m_pAuthzInfo;
ASSERT (pHashEntry->header.cbStructSize ==
sizeof (SAFER_HASH_IDENTIFICATION));
szDescription = pHashEntry->Description;
}
break;
case SaferIdentityTypeUrlZone:
ASSERT (0);
break;
default:
ASSERT (0);
break;
}
}
else if ( m_pCertificate )
{
// Is certificate
szDescription = m_pCertificate->GetDescription ();
}
m_szDescription = szDescription;
return szDescription;
}
SAFER_ENTRY_TYPE CSaferEntry::GetType () const
{
return m_saferEntryType;
}
CString CSaferEntry::GetTypeString() const
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
CString szType;
switch (m_saferEntryType)
{
case SAFER_ENTRY_TYPE_PATH:
VERIFY (szType.LoadString (IDS_CodeIdentityType_ImageName));
break;
case SAFER_ENTRY_TYPE_HASH:
VERIFY (szType.LoadString (IDS_CodeIdentityType_ImageHash));
break;
case SAFER_ENTRY_TYPE_URLZONE:
VERIFY (szType.LoadString (IDS_CodeIdentityType_UrlZone));
break;
case SAFER_ENTRY_TYPE_CERT:
VERIFY (szType.LoadString (IDS_CodeIdentityType_Certificate));
break;
default:
ASSERT (0);
break;
}
return szType;
}
CString CSaferEntry::GetLevelFriendlyName() const
{
return m_szLevelFriendlyName;
}
CString CSaferEntry::GetShortLastModified() const
{
CString szDate;
if ( m_pAuthzInfo )
{
VERIFY (SUCCEEDED (FormatDate (m_pAuthzInfo->lastModified, szDate, DATE_SHORTDATE, true)) );
}
else if ( m_pCertificate )
{
szDate = m_pCertificate->GetShortLastModified ();
}
return szDate;
}
CString CSaferEntry::GetLongLastModified() const
{
CString szDate;
if ( m_pAuthzInfo )
{
VERIFY (SUCCEEDED (FormatDate (m_pAuthzInfo->lastModified, szDate, DATE_LONGDATE, true)) );
}
else if ( m_pCertificate )
{
szDate = m_pCertificate->GetLongLastModified ();
}
return szDate;
}
HRESULT CSaferEntry::GetCertificate(CCertificate **ppCert)
{
ASSERT (ppCert);
if ( !ppCert )
return E_POINTER;
if ( !m_pCertificate )
return E_NOTIMPL;
*ppCert = m_pCertificate;
m_pCertificate->AddRef ();
return S_OK;
}
HRESULT CSaferEntry::SetCertificate(CCertificate *pCert)
{
ASSERT (m_pSaferEntries);
if ( !m_pSaferEntries )
return E_FAIL;
HRESULT hr = S_OK;
CCertStore* pStore = 0;
switch (m_dwLevelID)
{
case SAFER_LEVELID_FULLYTRUSTED:
hr = m_pSaferEntries->GetTrustedPublishersStore (&pStore);
break;
case SAFER_LEVELID_DISALLOWED:
hr = m_pSaferEntries->GetDisallowedStore (&pStore);
break;
default:
hr = E_FAIL;
break;
}
if ( SUCCEEDED (hr) )
{
if ( m_pCertificate )
{
m_pCertificate->DeleteFromStore (false);
m_pCertificate->Release ();
m_pCertificate = 0;
}
if ( pCert )
{
m_pCertificate = pCert;
m_pCertificate->AddRef ();
hr = pStore->AddCertificateContext (m_pCertificate->GetCertContext (), 0, false);
if ( SUCCEEDED (hr) )
{
m_pCertificate->GetNewCertContext ();
}
}
}
return hr;
}
void CSaferEntry::SetDescription(const CString& szDescription)
{
m_szDescription = szDescription;
}
HRESULT CSaferEntry::GetSaferEntriesNode(CSaferEntries **ppSaferEntries)
{
if ( !ppSaferEntries )
return E_POINTER;
if ( !m_pSaferEntries )
return E_NOTIMPL;
m_pSaferEntries->AddRef ();
*ppSaferEntries = m_pSaferEntries;
return S_OK;
}
DWORD CSaferEntry::GetLevel() const
{
return m_dwLevelID;
}
HRESULT CSaferEntry::SetLevel(DWORD dwLevelID)
{
HRESULT hr = S_OK;
if ( m_dwLevelID != dwLevelID )
{
m_dwLevelID = dwLevelID;
// Get the new "friendly name"
if ( m_pGPEInformation )
{
CPolicyKey policyKey (m_pGPEInformation,
SAFER_HKLM_REGBASE,
m_bIsComputer);
m_szLevelFriendlyName = SaferGetLevelFriendlyName (dwLevelID,
policyKey.GetKey (),
m_bIsComputer);
}
else
{
m_szLevelFriendlyName = SaferGetLevelFriendlyName (dwLevelID, 0,
m_bIsComputer);
}
}
return hr;
}
CString CSaferEntry::GetPath()
{
CString szPath;
if ( m_pAuthzInfo )
{
if ( SaferIdentityTypeImageName == m_pAuthzInfo->dwIdentificationType )
{
PSAFER_PATHNAME_IDENTIFICATION pNameEntry =
(PSAFER_PATHNAME_IDENTIFICATION) m_pAuthzInfo;
ASSERT (pNameEntry->header.cbStructSize >=
sizeof (SAFER_PATHNAME_IDENTIFICATION));
ASSERT (SaferIdentityTypeImageName == m_pAuthzInfo->dwIdentificationType);
szPath = pNameEntry->ImageName;
}
}
m_szPath = szPath;
return szPath;
}
void CSaferEntry::SetPath(const CString &szPath)
{
m_szPath = szPath;
}
HRESULT CSaferEntry::Save()
{
_TRACE (1, L"Entering CSaferEntry::Save\n");
HRESULT hr = S_OK;
ASSERT (!m_bDeleted);
if ( m_bDeleted )
return E_FAIL;
if ( m_pCertificate )
{
hr = m_pCertificate->SetDescription (m_szDescription);
if ( SUCCEEDED (hr) )
{
hr = m_pCertificate->SetLastModified ();
if ( SUCCEEDED (hr) )
{
// If the level has changed, then the cert must be removed
// from the current level store added to the new one.
if ( m_dwOriginalLevelID != m_dwLevelID )
{
CCertStore* pStore = 0;
switch (m_dwLevelID)
{
case SAFER_LEVELID_FULLYTRUSTED:
hr = m_pSaferEntries->GetTrustedPublishersStore (&pStore);
break;
case SAFER_LEVELID_DISALLOWED:
hr = m_pSaferEntries->GetDisallowedStore (&pStore);
break;
default:
hr = E_FAIL;
break;
}
if ( SUCCEEDED (hr) )
{
m_pCertificate->DeleteFromStore (true);
hr = pStore->AddCertificateContext (m_pCertificate->GetCertContext (), 0, false);
if ( SUCCEEDED (hr) )
{
m_pCertificate->SetStore (pStore);
hr = PolicyChanged ();
}
}
}
if ( SUCCEEDED (hr) )
m_szDisplayName = m_pCertificate->GetSubjectName ();
}
}
}
else if ( m_pGPEInformation )
{
BOOL bRVal = TRUE;
CPolicyKey policyKey (m_pGPEInformation,
SAFER_HKLM_REGBASE,
m_bIsComputer);
hr = SetRegistryScope (policyKey.GetKey (), m_bIsComputer);
if ( SUCCEEDED (hr) )
{
DWORD dwInBufferSize = 0;
switch (m_saferEntryType)
{
case SAFER_ENTRY_TYPE_PATH:
dwInBufferSize = sizeof (SAFER_PATHNAME_IDENTIFICATION);
break;
case SAFER_ENTRY_TYPE_HASH:
dwInBufferSize = sizeof (SAFER_HASH_IDENTIFICATION);
break;
case SAFER_ENTRY_TYPE_URLZONE:
dwInBufferSize = sizeof (SAFER_URLZONE_IDENTIFICATION);
break;
default:
ASSERT (0);
break;
}
SAFER_LEVEL_HANDLE hLevel = 0;
// If this entry is not being created for the first time
// and the level has changed, delete this object from its original
// level.
if ( m_pAuthzInfo &&
AUTHZ_UNKNOWN_LEVEL != m_dwOriginalLevelID &&
m_dwOriginalLevelID != m_dwLevelID )
{
bRVal = SaferCreateLevel(SAFER_SCOPEID_REGISTRY,
m_dwOriginalLevelID,
SAFER_LEVEL_OPEN,
&hLevel,
policyKey.GetKey ());
ASSERT (bRVal);
if ( bRVal )
{
SAFER_IDENTIFICATION_TYPES dwIdentificationType =
m_pAuthzInfo->dwIdentificationType;
m_pAuthzInfo->dwIdentificationType = (SAFER_IDENTIFICATION_TYPES) 0; // 0 will cause deletion
bRVal = SaferSetLevelInformation(hLevel,
SaferObjectSingleIdentification,
m_pAuthzInfo,
m_pAuthzInfo->cbStructSize);
ASSERT (bRVal);
if ( !bRVal )
{
DWORD dwErr = GetLastError ();
_TRACE (0, L"Attempt to delete entry using SaferSetLevelInformation(SaferObjectSingleIdentification) failed: %d\n", dwErr);
hr = HRESULT_FROM_WIN32 (dwErr);
}
m_pAuthzInfo->dwIdentificationType = dwIdentificationType; // restore type
VERIFY (SaferCloseLevel(hLevel));
}
else
{
DWORD dwErr = GetLastError ();
hr = HRESULT_FROM_WIN32 (dwErr);
_TRACE (0, L"SaferCreateLevel(SAFER_SCOPEID_REGISTRY, 0x%x, SAFER_LEVEL_OPEN) failed: %d\n",
m_dwOriginalLevelID, dwErr);
}
}
if ( SUCCEEDED (hr) )
{
// If this is new, create and initialize a new info structure
if ( !m_pAuthzInfo )
{
// generate guid
GUID guid;
hr = CoCreateGuid (&guid);
if ( SUCCEEDED (hr) )
{
m_pAuthzInfo = (PSAFER_IDENTIFICATION_HEADER)
::LocalAlloc (LPTR, dwInBufferSize);
if ( m_pAuthzInfo )
{
m_pAuthzInfo->cbStructSize = dwInBufferSize;
memcpy (&m_pAuthzInfo->IdentificationGuid, &guid, sizeof (GUID));
}
else
hr = E_OUTOFMEMORY;
}
}
if ( SUCCEEDED (hr) )
{
switch (m_saferEntryType)
{
case SAFER_ENTRY_TYPE_PATH:
{
m_pAuthzInfo->dwIdentificationType = SaferIdentityTypeImageName;
PSAFER_PATHNAME_IDENTIFICATION pNameEntry =
reinterpret_cast<PSAFER_PATHNAME_IDENTIFICATION> (m_pAuthzInfo);
ASSERT (pNameEntry->header.cbStructSize >=
sizeof (SAFER_PATHNAME_IDENTIFICATION));
wcsncpy (pNameEntry->Description, m_szDescription, SAFER_MAX_DESCRIPTION_SIZE-1);
pNameEntry->ImageName = const_cast <PWCHAR>((PCWSTR) m_szPath);
pNameEntry->dwSaferFlags = m_dwFlags;
}
break;
case SAFER_ENTRY_TYPE_HASH:
{
m_pAuthzInfo->dwIdentificationType = SaferIdentityTypeImageHash;
PSAFER_HASH_IDENTIFICATION pHashEntry =
reinterpret_cast<PSAFER_HASH_IDENTIFICATION>(m_pAuthzInfo);
ASSERT (pHashEntry->header.cbStructSize ==
sizeof (SAFER_HASH_IDENTIFICATION));
wcsncpy (pHashEntry->FriendlyName, m_szHashFriendlyName,
SAFER_MAX_FRIENDLYNAME_SIZE-1);
wcsncpy (pHashEntry->Description,
m_szDescription,
SAFER_MAX_DESCRIPTION_SIZE-1);
pHashEntry->dwSaferFlags = m_dwFlags;
memcpy (pHashEntry->ImageHash, m_rgbFileHash, SAFER_MAX_HASH_SIZE);
pHashEntry->HashSize = m_cbFileHash;
memcpy (&pHashEntry->ImageSize, &m_nHashFileSize, sizeof (__int64));
pHashEntry->HashAlgorithm = m_hashAlgid;
}
break;
case SAFER_ENTRY_TYPE_URLZONE:
{
m_pAuthzInfo->dwIdentificationType = SaferIdentityTypeUrlZone;
PSAFER_URLZONE_IDENTIFICATION pURLEntry =
reinterpret_cast <PSAFER_URLZONE_IDENTIFICATION> (m_pAuthzInfo);
ASSERT (pURLEntry->header.cbStructSize ==
sizeof (SAFER_URLZONE_IDENTIFICATION));
pURLEntry->dwSaferFlags = m_dwFlags;
pURLEntry->UrlZoneId = m_UrlZoneId;
}
break;
}
bRVal = SaferCreateLevel(SAFER_SCOPEID_REGISTRY,
m_dwLevelID,
SAFER_LEVEL_OPEN,
&hLevel,
policyKey.GetKey ());
ASSERT (bRVal);
if ( bRVal )
{
bRVal = SaferSetLevelInformation(hLevel,
SaferObjectSingleIdentification,
m_pAuthzInfo, m_pAuthzInfo->cbStructSize);
if ( bRVal )
{
switch ( m_saferEntryType )
{
case SAFER_ENTRY_TYPE_HASH:
m_szDisplayName = m_szHashFriendlyName;
m_szDisplayName.Replace (pcszNEWLINE, L" ");
break;
case SAFER_ENTRY_TYPE_PATH:
m_szDisplayName = m_szPath;
break;
case SAFER_ENTRY_TYPE_URLZONE:
m_szDisplayName = GetURLZoneFriendlyName (m_UrlZoneId);
break;
default:
ASSERT (0);
break;
}
hr = PolicyChanged ();
if ( SUCCEEDED (hr) )
{
m_dwOriginalLevelID = m_dwLevelID;
}
}
else
{
DWORD dwErr = GetLastError ();
_TRACE (0, L"SaferSetLevelInformation(SaferObjectSingleIdentification) failed: %d\n",
dwErr);
hr = HRESULT_FROM_WIN32 (dwErr);
}
VERIFY (SaferCloseLevel(hLevel));
}
else
{
DWORD dwErr = GetLastError ();
hr = HRESULT_FROM_WIN32 (dwErr);
_TRACE (0, L"SaferCreateLevel(AUTHZSCOPID_REGISTRY, 0x%x, SAFER_LEVEL_OPEN) failed: %d\n",
m_dwLevelID, dwErr);
}
}
}
}
}
else
hr = E_FAIL;
_TRACE (-1, L"Leaving CSaferEntry::Save: 0x%x\n", hr);
return hr;
}
HRESULT CSaferEntry::PolicyChanged()
{
_TRACE (1, L"Entering CSaferEntry::PolicyChanged\n");
HRESULT hr = E_FAIL;
if ( m_pGPEInformation )
{
hr = m_pGPEInformation->PolicyChanged (
m_bIsComputer ? TRUE : FALSE,
TRUE, &g_guidExtension, &g_guidSnapin);
hr = m_pGPEInformation->PolicyChanged (
m_bIsComputer ? TRUE : FALSE,
TRUE, &g_guidRegExt, &g_guidSnapin);
}
_TRACE (-1, L"Leaving CSaferEntry::PolicyChanged\n");
return hr;
}
void CSaferEntry::SetFlags(DWORD dwFlags)
{
m_dwFlags = dwFlags;
}
HRESULT CSaferEntry::GetFlags(DWORD &dwFlags)
{
HRESULT hr = S_OK;
if ( m_pAuthzInfo )
{
switch (m_saferEntryType)
{
case SAFER_ENTRY_TYPE_PATH:
{
m_pAuthzInfo->dwIdentificationType = SaferIdentityTypeImageName;
PSAFER_PATHNAME_IDENTIFICATION pNameEntry =
reinterpret_cast<PSAFER_PATHNAME_IDENTIFICATION>(m_pAuthzInfo);
ASSERT (pNameEntry->header.cbStructSize >=
sizeof (SAFER_PATHNAME_IDENTIFICATION));
dwFlags = pNameEntry->dwSaferFlags;
}
break;
case SAFER_ENTRY_TYPE_HASH:
{
m_pAuthzInfo->dwIdentificationType = SaferIdentityTypeImageHash;
PSAFER_HASH_IDENTIFICATION pHashEntry =
reinterpret_cast<PSAFER_HASH_IDENTIFICATION>(m_pAuthzInfo);
ASSERT (pHashEntry->header.cbStructSize ==
sizeof (SAFER_HASH_IDENTIFICATION));
dwFlags = pHashEntry->dwSaferFlags;
}
break;
case SAFER_ENTRY_TYPE_URLZONE:
{
m_pAuthzInfo->dwIdentificationType = SaferIdentityTypeUrlZone;
PSAFER_URLZONE_IDENTIFICATION pURLEntry =
reinterpret_cast<PSAFER_URLZONE_IDENTIFICATION>(m_pAuthzInfo);
ASSERT (pURLEntry->header.cbStructSize ==
sizeof (SAFER_URLZONE_IDENTIFICATION));
dwFlags = pURLEntry->dwSaferFlags;
}
break;
default:
hr = E_FAIL;
break;
}
}
else if ( m_pCertificate )
{
hr = E_NOTIMPL;
}
return hr;
}
HRESULT CSaferEntry::Delete(bool bCommit)
{
_TRACE (1, L"Entering CSaferEntry::Delete\n");
HRESULT hr = S_OK;
ASSERT (!m_bDeleted);
if ( m_bDeleted )
return E_FAIL;
if ( m_pCertificate )
{
BOOL bRVal = m_pCertificate->DeleteFromStore (bCommit);
if ( bRVal )
{
m_bDeleted = true;
}
else
{
DWORD dwErr = GetLastError ();
hr = HRESULT_FROM_WIN32 (dwErr);
}
}
else if ( m_pGPEInformation )
{
BOOL bRVal = TRUE;
CPolicyKey policyKey (m_pGPEInformation,
SAFER_HKLM_REGBASE,
m_bIsComputer);
hr = SetRegistryScope (policyKey.GetKey (), m_bIsComputer);
if ( SUCCEEDED (hr) )
{
DWORD dwInBufferSize = 0;
switch (m_saferEntryType)
{
case SAFER_ENTRY_TYPE_PATH:
dwInBufferSize = sizeof (SAFER_PATHNAME_IDENTIFICATION);
break;
case SAFER_ENTRY_TYPE_HASH:
dwInBufferSize = sizeof (SAFER_HASH_IDENTIFICATION);
break;
case SAFER_ENTRY_TYPE_URLZONE:
dwInBufferSize = sizeof (SAFER_URLZONE_IDENTIFICATION);
break;
default:
ASSERT (0);
break;
}
SAFER_LEVEL_HANDLE hLevel = 0;
if ( m_pAuthzInfo )
{
bRVal = SaferCreateLevel(SAFER_SCOPEID_REGISTRY,
m_dwOriginalLevelID,
SAFER_LEVEL_OPEN,
&hLevel,
policyKey.GetKey ());
ASSERT (bRVal);
if ( bRVal )
{
SAFER_IDENTIFICATION_TYPES dwIdentificationType =
m_pAuthzInfo->dwIdentificationType;
m_pAuthzInfo->dwIdentificationType = (SAFER_IDENTIFICATION_TYPES) 0; // 0 will cause deletion
bRVal = SaferSetLevelInformation(hLevel,
SaferObjectSingleIdentification,
m_pAuthzInfo,
m_pAuthzInfo->cbStructSize);
ASSERT (bRVal);
if ( bRVal )
{
m_bDeleted = true;
if ( bCommit )
{
hr = m_pGPEInformation->PolicyChanged (
m_bIsComputer ? TRUE : FALSE,
TRUE, &g_guidExtension, &g_guidSnapin);
hr = m_pGPEInformation->PolicyChanged (
m_bIsComputer ? TRUE : FALSE,
TRUE, &g_guidRegExt, &g_guidSnapin);
}
}
else
{
DWORD dwErr = GetLastError ();
_TRACE (0, L"Attempt to delete entry using SaferSetLevelInformation(SaferObjectSingleIdentification) failed: %d\n", dwErr);
hr = HRESULT_FROM_WIN32 (dwErr);
}
m_pAuthzInfo->dwIdentificationType = dwIdentificationType;
VERIFY (SaferCloseLevel(hLevel)); // restore type
}
else
{
DWORD dwErr = GetLastError ();
hr = HRESULT_FROM_WIN32 (dwErr);
_TRACE (0, L"SaferCreateLevel(AUTHZSCOPID_REGISTRY, 0x%x, SAFER_LEVEL_OPEN) failed: %d\n",
m_dwOriginalLevelID, dwErr);
}
}
}
}
else
hr = E_FAIL;
_TRACE (-1, L"Leaving CSaferEntry::Delete: 0x%x\n", hr);
return hr;
}
HRESULT CSaferEntry::GetHash(BYTE rgbFileHash[], DWORD& cbFileHash, __int64& nFileSize, ALG_ID& algId) const
{
HRESULT hr = S_OK;
if ( m_pAuthzInfo )
{
if ( SAFER_ENTRY_TYPE_HASH == m_saferEntryType )
{
PSAFER_HASH_IDENTIFICATION pHashEntry =
reinterpret_cast<PSAFER_HASH_IDENTIFICATION>(m_pAuthzInfo);
ASSERT (pHashEntry->header.cbStructSize ==
sizeof (SAFER_HASH_IDENTIFICATION));
memcpy (rgbFileHash, pHashEntry->ImageHash, SAFER_MAX_HASH_SIZE);
cbFileHash = pHashEntry->HashSize;
memcpy (&nFileSize, &pHashEntry->ImageSize, sizeof (__int64));
algId = pHashEntry->HashAlgorithm;
}
else
hr = E_NOTIMPL;
}
else
hr = E_FAIL;
return hr;
}
HRESULT CSaferEntry::SetHash (
BYTE rgbFileHash[],
DWORD cbFileHash,
__int64 nFileSize,
ALG_ID hashAlgid)
{
ASSERT (cbFileHash <= SAFER_MAX_HASH_SIZE);
if ( cbFileHash > SAFER_MAX_HASH_SIZE )
return E_FAIL;
ASSERT (rgbFileHash);
if ( !rgbFileHash )
return E_POINTER;
m_nHashFileSize = nFileSize;
m_cbFileHash = cbFileHash;
::ZeroMemory (m_rgbFileHash, SAFER_MAX_HASH_SIZE);
memcpy (m_rgbFileHash, rgbFileHash, cbFileHash);
m_hashAlgid = hashAlgid;
return S_OK;
}
DWORD CSaferEntry::GetURLZoneID() const
{
return m_UrlZoneId;
}
void CSaferEntry::SetURLZoneID(DWORD dwURLZoneID)
{
m_UrlZoneId = dwURLZoneID;
}
CString CSaferEntry::GetHashFriendlyName()
{
CString szFriendlyName;
if ( m_szHashFriendlyName.IsEmpty () )
{
if ( m_pAuthzInfo )
{
if ( SaferIdentityTypeImageHash == m_pAuthzInfo->dwIdentificationType )
{
PSAFER_HASH_IDENTIFICATION pHashEntry =
(PSAFER_HASH_IDENTIFICATION) m_pAuthzInfo;
ASSERT (pHashEntry->header.cbStructSize ==
sizeof (SAFER_HASH_IDENTIFICATION));
m_szHashFriendlyName = pHashEntry->FriendlyName;
}
}
}
return m_szHashFriendlyName;
}
void CSaferEntry::SetHashFriendlyName(const CString &szFriendlyName)
{
m_szHashFriendlyName = szFriendlyName;
}
int CSaferEntry::CompareLastModified (const CSaferEntry& saferEntry) const
{
int compVal = 0;
FILETIME thisFt;
FILETIME inFt;
if ( m_pAuthzInfo )
thisFt = m_pAuthzInfo->lastModified;
else if ( m_pCertificate )
{
if ( FAILED (m_pCertificate->GetLastModifiedFileTime (thisFt)) )
return 0;
}
else
{
ASSERT (0);
return 0;
}
if ( saferEntry.m_pAuthzInfo )
inFt = saferEntry.m_pAuthzInfo->lastModified;
else if ( saferEntry.m_pCertificate )
{
if ( FAILED (saferEntry.m_pCertificate->GetLastModifiedFileTime (inFt)) )
return 0;
}
else
{
ASSERT (0);
return 0;
}
compVal = ::CompareFileTime (&thisFt, &inFt);
return compVal;
}
CString CSaferEntry::GetRSOPRegistryKey () const
{
CString szRegistryKey;
if ( m_pCertificate )
{
if ( SAFER_LEVELID_FULLYTRUSTED == m_dwLevelID )
szRegistryKey = CERT_TRUST_PUB_SAFER_GROUP_POLICY_TRUSTED_PUBLISHER_STORE_REGPATH;
else
szRegistryKey = CERT_TRUST_PUB_SAFER_GROUP_POLICY_DISALLOWED_STORE_REGPATH;
szRegistryKey += STR_REGKEY_CERTIFICATES;
szRegistryKey += L"\\";
//szRegistryKey += m_pCertificate->GetMD5Hash ();
szRegistryKey += m_pCertificate->GetSHAHash ();
}
else
szRegistryKey = m_szRSOPRegistryKey;
ASSERT (!szRegistryKey.IsEmpty ());
return szRegistryKey;
}
void CSaferEntry::Refresh()
{
_TRACE (1, L"Entering CSaferEntry::Refresh ()\n");
if ( m_pAuthzInfo )
{
if ( m_pGPEInformation )
{
SAFER_LEVEL_HANDLE hLevel = 0;
CPolicyKey policyKey (m_pGPEInformation,
SAFER_HKLM_REGBASE,
m_bIsComputer);
BOOL bRVal = SaferCreateLevel(SAFER_SCOPEID_REGISTRY,
m_dwLevelID,
SAFER_LEVEL_OPEN,
&hLevel,
policyKey.GetKey ());
if ( bRVal )
{
DWORD dwBufferSize = sizeof (SAFER_IDENTIFICATION_HEADER);
bRVal = SaferGetLevelInformation (hLevel,
SaferObjectSingleIdentification,
m_pAuthzInfo,
dwBufferSize,
&dwBufferSize);
if ( !bRVal && ERROR_INSUFFICIENT_BUFFER == GetLastError () )
{
PBYTE pBytes = (PBYTE) LocalAlloc (LPTR, dwBufferSize);
if ( pBytes )
{
PSAFER_IDENTIFICATION_HEADER pCommon = (PSAFER_IDENTIFICATION_HEADER) pBytes;
pCommon->cbStructSize = dwBufferSize;
memcpy (&pCommon->IdentificationGuid, &m_pAuthzInfo->IdentificationGuid, sizeof (GUID));
bRVal = SaferGetLevelInformation (hLevel,
SaferObjectSingleIdentification,
pBytes,
dwBufferSize,
&dwBufferSize);
ASSERT (bRVal);
if ( bRVal )
{
LocalFree (m_pAuthzInfo);
m_pAuthzInfo = (PSAFER_IDENTIFICATION_HEADER) pBytes;
}
else
{
_TRACE (0, L"SaferGetLevelInformation () failed: %d\n", GetLastError ());
}
}
}
VERIFY (SaferCloseLevel(hLevel));
}
else
{
_TRACE (0, L"SaferCreateLevel() failed: %d\n", GetLastError ());
}
}
else
{
// Is RSOP
}
}
_TRACE (-1, L"Leaving CSaferEntry::Refresh ()\n");
}