Leaked source code of windows server 2003
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// Util.cpp : Implementation of ds routines and classes
//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1999
//
// File: Util.cpp
//
// Contents: Utility functions
//
// History: 02-Oct-96 WayneSc Created
//
//
//--------------------------------------------------------------------------
#include "stdafx.h"
#include "util.h"
#include "sddl.h" // ConvertStringSecurityDescriptorToSecurityDescriptor
#include "sddlp.h" // ConvertStringSDToSDDomain
#include "ntsecapi.h" // LSA APIs
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define MAX_STRING 1024
//+----------------------------------------------------------------------------
//
// Function: LoadStringToTchar
//
// Sysnopsis: Loads the given string into an allocated buffer that must be
// caller freed using delete.
//
//-----------------------------------------------------------------------------
BOOL LoadStringToTchar(int ids, PTSTR * pptstr)
{
TCHAR szBuf[MAX_STRING];
if (!LoadString(_Module.GetModuleInstance(), ids, szBuf, MAX_STRING - 1))
{
return FALSE;
}
*pptstr = new TCHAR[_tcslen(szBuf) + 1];
if (*pptstr == NULL)
{
return FALSE;
};
_tcscpy(*pptstr, szBuf);
return TRUE;
}
//
// These routines courtesy of Felix Wong -- JonN 2/24/98
//
// just guessing at what Felix meant by these -- JonN 2/24/98
#define RRETURN(hr) { ASSERT( SUCCEEDED(hr) ); return hr; }
#define BAIL_ON_FAILURE if ( FAILED(hr) ) { ASSERT(FALSE); goto error; }
//////////////////////////////////////////////////////////////////////////
// Variant Utilitites
//
HRESULT BinaryToVariant(DWORD Length,
BYTE* pByte,
VARIANT* lpVarDestObject)
{
HRESULT hr = S_OK;
SAFEARRAY *aList = NULL;
SAFEARRAYBOUND aBound;
CHAR HUGEP *pArray = NULL;
aBound.lLbound = 0;
aBound.cElements = Length;
aList = SafeArrayCreate( VT_UI1, 1, &aBound );
if ( aList == NULL )
{
hr = E_OUTOFMEMORY;
BAIL_ON_FAILURE(hr);
}
hr = SafeArrayAccessData( aList, (void HUGEP * FAR *) &pArray );
BAIL_ON_FAILURE(hr);
memcpy( pArray, pByte, aBound.cElements );
SafeArrayUnaccessData( aList );
V_VT(lpVarDestObject) = VT_ARRAY | VT_UI1;
V_ARRAY(lpVarDestObject) = aList;
RRETURN(hr);
error:
if ( aList )
{
SafeArrayDestroy( aList );
}
RRETURN(hr);
}
HRESULT HrVariantToStringList(const CComVariant& refvar,
CStringList& refstringlist)
{
HRESULT hr = S_OK;
long start, end, current;
if (V_VT(&refvar) == VT_BSTR)
{
refstringlist.AddHead( V_BSTR(&refvar) );
return S_OK;
}
//
// Check the VARIANT to make sure we have
// an array of variants.
//
if ( V_VT(&refvar) != ( VT_ARRAY | VT_VARIANT ) )
{
ASSERT(FALSE);
return E_UNEXPECTED;
}
SAFEARRAY *saAttributes = V_ARRAY( &refvar );
//
// Figure out the dimensions of the array.
//
hr = SafeArrayGetLBound( saAttributes, 1, &start );
if( FAILED(hr) )
return hr;
hr = SafeArrayGetUBound( saAttributes, 1, &end );
if( FAILED(hr) )
return hr;
CComVariant SingleResult;
//
// Process the array elements.
//
for ( current = start; current <= end; current++)
{
hr = SafeArrayGetElement( saAttributes, &current, &SingleResult );
if( FAILED(hr) )
return hr;
if ( V_VT(&SingleResult) != VT_BSTR )
return E_UNEXPECTED;
refstringlist.AddHead( V_BSTR(&SingleResult) );
}
return S_OK;
} // VariantToStringList()
HRESULT HrStringListToVariant(CComVariant& refvar,
const CStringList& refstringlist)
{
HRESULT hr = S_OK;
int cCount = (int)refstringlist.GetCount();
SAFEARRAYBOUND rgsabound[1];
rgsabound[0].lLbound = 0;
rgsabound[0].cElements = cCount;
SAFEARRAY* psa = SafeArrayCreate(VT_VARIANT, 1, rgsabound);
if (NULL == psa)
return E_OUTOFMEMORY;
V_VT(&refvar) = VT_VARIANT|VT_ARRAY;
V_ARRAY(&refvar) = psa;
POSITION pos = refstringlist.GetHeadPosition();
long i;
for (i = 0; i < cCount, pos != NULL; i++)
{
CComVariant SingleResult; // declare inside loop. Otherwise, throws
// exception in destructor if nothing added.
V_VT(&SingleResult) = VT_BSTR;
V_BSTR(&SingleResult) = T2BSTR((LPCTSTR)refstringlist.GetNext(pos));
hr = SafeArrayPutElement(psa, &i, &SingleResult);
if( FAILED(hr) )
return hr;
}
if (i != cCount || pos != NULL)
return E_UNEXPECTED;
return hr;
} // StringListToVariant()
//////////////////////////////////////////////////////////
// streaming helper functions
HRESULT SaveStringHelper(LPCWSTR pwsz, IStream* pStm)
{
ASSERT(pStm);
ULONG nBytesWritten;
HRESULT hr;
//
// wcslen returns a size_t and to make that consoles work the same
// on any platform we always convert to a DWORD
//
DWORD nLen = static_cast<DWORD>(wcslen(pwsz)+1); // WCHAR including NULL
hr = pStm->Write((void*)&nLen, sizeof(DWORD),&nBytesWritten);
ASSERT(nBytesWritten == sizeof(DWORD));
if (FAILED(hr))
return hr;
hr = pStm->Write((void*)pwsz, sizeof(WCHAR)*nLen,&nBytesWritten);
ASSERT(nBytesWritten == sizeof(WCHAR)*nLen);
TRACE(_T("SaveStringHelper(<%s> nLen = %d\n"),pwsz,nLen);
return hr;
}
HRESULT LoadStringHelper(CString& sz, IStream* pStm)
{
ASSERT(pStm);
HRESULT hr;
ULONG nBytesRead;
DWORD nLen = 0;
hr = pStm->Read((void*)&nLen,sizeof(DWORD), &nBytesRead);
ASSERT(nBytesRead == sizeof(DWORD));
if (FAILED(hr) || (nBytesRead != sizeof(DWORD)))
return hr;
// bound the read so that a malicious console file cannot consume all
// the system memory (amount is arbitrary but should be large enough
// for the stuff we are storing in the console file)
nLen = min(nLen, MAX_PATH*2);
hr = pStm->Read((void*)sz.GetBuffer(nLen),sizeof(WCHAR)*nLen, &nBytesRead);
ASSERT(nBytesRead == sizeof(WCHAR)*nLen);
sz.ReleaseBuffer();
TRACE(_T("LoadStringHelper(<%s> nLen = %d\n"),(LPCTSTR)sz,nLen);
return hr;
}
HRESULT SaveDWordHelper(IStream* pStm, DWORD dw)
{
ULONG nBytesWritten;
HRESULT hr = pStm->Write((void*)&dw, sizeof(DWORD),&nBytesWritten);
if (nBytesWritten < sizeof(DWORD))
hr = STG_E_CANTSAVE;
return hr;
}
HRESULT LoadDWordHelper(IStream* pStm, DWORD* pdw)
{
ULONG nBytesRead;
HRESULT hr = pStm->Read((void*)pdw,sizeof(DWORD), &nBytesRead);
ASSERT(nBytesRead == sizeof(DWORD));
return hr;
}
void GetCurrentTimeStampMinusInterval(DWORD dwDays,
LARGE_INTEGER* pLI)
{
ASSERT(pLI);
FILETIME ftCurrent;
GetSystemTimeAsFileTime(&ftCurrent);
pLI->LowPart = ftCurrent.dwLowDateTime;
pLI->HighPart = ftCurrent.dwHighDateTime;
pLI->QuadPart -= ((((ULONGLONG)dwDays * 24) * 60) * 60) * 10000000;
}
/////////////////////////////////////////////////////////////////////
// CCommandLineOptions
//
// helper function to parse a single command and match it with a given switch
//
BOOL _LoadCommandLineValue(IN LPCWSTR lpszSwitch,
IN LPCWSTR lpszArg,
OUT CString* pszValue)
{
ASSERT(lpszSwitch != NULL);
ASSERT(lpszArg != NULL);
int nSwitchLen = lstrlen(lpszSwitch); // not counting NULL
// check if the arg is the one we look for
if (_wcsnicmp(lpszSwitch, lpszArg, nSwitchLen) == 0)
{
// got it, copy the value
if (pszValue != NULL)
(*pszValue) = lpszArg+nSwitchLen;
return TRUE;
}
// not found, empty string
if (pszValue != NULL)
pszValue->Empty();
return FALSE;
}
void CCommandLineOptions::Initialize()
{
// command line overrides the snapin understands,
// not subject to localization
static LPCWSTR lpszOverrideDomainCommandLine = L"/Domain=";
static LPCWSTR lpszOverrideServerCommandLine = L"/Server=";
static LPCWSTR lpszOverrideRDNCommandLine = L"/RDN=";
static LPCWSTR lpszOverrideSavedQueriesCommandLine = L"/Queries=";
#ifdef DBG
static LPCWSTR lpszOverrideNoNameCommandLine = L"/NoName";
#endif
// do it only once
if (m_bInit)
{
return;
}
m_bInit = TRUE;
//
// see if we have command line arguments
//
LPCWSTR * lpServiceArgVectors; // Array of pointers to string
int cArgs = 0; // Count of arguments
lpServiceArgVectors = (LPCWSTR *)CommandLineToArgvW(GetCommandLineW(), OUT &cArgs);
if (lpServiceArgVectors == NULL)
{
// none, just return
return;
}
// loop and search for pertinent strings
for (int i = 1; i < cArgs; i++)
{
ASSERT(lpServiceArgVectors[i] != NULL);
TRACE (_T("command line arg: %s\n"), lpServiceArgVectors[i]);
if (_LoadCommandLineValue(lpszOverrideDomainCommandLine,
lpServiceArgVectors[i], &m_szOverrideDomainName))
{
continue;
}
if (_LoadCommandLineValue(lpszOverrideServerCommandLine,
lpServiceArgVectors[i], &m_szOverrideServerName))
{
continue;
}
if (_LoadCommandLineValue(lpszOverrideRDNCommandLine,
lpServiceArgVectors[i], &m_szOverrideRDN))
{
continue;
}
if (_LoadCommandLineValue(lpszOverrideSavedQueriesCommandLine,
lpServiceArgVectors[i], &m_szSavedQueriesXMLFile))
{
continue;
}
#ifdef DBG
if (_LoadCommandLineValue(lpszOverrideNoNameCommandLine,
lpServiceArgVectors[i], NULL))
{
continue;
}
#endif
}
LocalFree(lpServiceArgVectors);
}
////////////////////////////////////////////////////////////////
// Type conversions for LARGE_INTEGERs
void wtoli(LPCWSTR p, LARGE_INTEGER& liOut)
{
liOut.QuadPart = 0;
BOOL bNeg = FALSE;
if (*p == L'-')
{
bNeg = TRUE;
p++;
}
while (*p != L'\0')
{
liOut.QuadPart = 10 * liOut.QuadPart + (*p-L'0');
p++;
}
if (bNeg)
{
liOut.QuadPart *= -1;
}
}
void litow(LARGE_INTEGER& li, CString& sResult)
{
LARGE_INTEGER n;
n.QuadPart = li.QuadPart;
if (n.QuadPart == 0)
{
sResult = L"0";
}
else
{
CString sNeg;
sResult = L"";
if (n.QuadPart < 0)
{
sNeg = CString(L'-');
n.QuadPart *= -1;
}
while (n.QuadPart > 0)
{
sResult += CString(L'0' + static_cast<WCHAR>(n.QuadPart % 10));
n.QuadPart = n.QuadPart / 10;
}
sResult = sResult + sNeg;
}
sResult.MakeReverse();
}
// This wrapper function required to make prefast shut up when we are
// initializing a critical section in a constructor.
void
ExceptionPropagatingInitializeCriticalSection(LPCRITICAL_SECTION critsec)
{
__try
{
::InitializeCriticalSection(critsec);
}
//
// propagate the exception to our caller.
//
__except (EXCEPTION_CONTINUE_SEARCH)
{
}
}
/*******************************************************************
NAME: GetLSAConnection
SYNOPSIS: Wrapper for LsaOpenPolicy
ENTRY: pszServer - the server on which to make the connection
EXIT:
RETURNS: LSA_HANDLE if successful, NULL otherwise
NOTES:
HISTORY:
JeffreyS 08-Oct-1996 Created
********************************************************************/
LSA_HANDLE
GetLSAConnection(LPCTSTR pszServer, DWORD dwAccessDesired)
{
LSA_HANDLE hPolicy = NULL;
LSA_UNICODE_STRING uszServer = {0};
LSA_UNICODE_STRING *puszServer = NULL;
LSA_OBJECT_ATTRIBUTES oa;
SECURITY_QUALITY_OF_SERVICE sqos;
sqos.Length = sizeof(sqos);
sqos.ImpersonationLevel = SecurityImpersonation;
sqos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
sqos.EffectiveOnly = FALSE;
InitializeObjectAttributes(&oa, NULL, 0, NULL, NULL);
oa.SecurityQualityOfService = &sqos;
if (pszServer &&
*pszServer &&
RtlCreateUnicodeString(&uszServer, pszServer))
{
puszServer = &uszServer;
}
LsaOpenPolicy(puszServer, &oa, dwAccessDesired, &hPolicy);
if (puszServer)
RtlFreeUnicodeString(puszServer);
return hPolicy;
}
HRESULT
GetDomainSid(LPCWSTR pszServer, PSID *ppSid)
{
HRESULT hr = S_OK;
NTSTATUS nts = STATUS_SUCCESS;
PPOLICY_ACCOUNT_DOMAIN_INFO pDomainInfo = NULL;
if(!pszServer || !ppSid)
return E_INVALIDARG;
*ppSid = NULL;
LSA_HANDLE hLSA = GetLSAConnection(pszServer, POLICY_VIEW_LOCAL_INFORMATION);
if (!hLSA)
{
hr = E_FAIL;
goto exit_gracefully;
}
nts = LsaQueryInformationPolicy(hLSA,
PolicyAccountDomainInformation,
(PVOID*)&pDomainInfo);
if(nts != STATUS_SUCCESS)
{
hr = E_FAIL;
goto exit_gracefully;
}
if (pDomainInfo && pDomainInfo->DomainSid)
{
ULONG cbSid = GetLengthSid(pDomainInfo->DomainSid);
*ppSid = (PSID) LocalAlloc(LPTR, cbSid);
if (!*ppSid)
{
hr = E_OUTOFMEMORY;
goto exit_gracefully;
}
CopyMemory(*ppSid, pDomainInfo->DomainSid, cbSid);
}
exit_gracefully:
if(pDomainInfo)
LsaFreeMemory(pDomainInfo);
if(hLSA)
LsaClose(hLSA);
return hr;
}
//
// include and defines for ldap calls
//
#include <winldap.h>
#include <ntldap.h>
typedef LDAP * (LDAPAPI *PFN_LDAP_OPEN)( PWCHAR, ULONG );
typedef ULONG (LDAPAPI *PFN_LDAP_UNBIND)( LDAP * );
typedef ULONG (LDAPAPI *PFN_LDAP_SEARCH)(LDAP *, PWCHAR, ULONG, PWCHAR, PWCHAR *, ULONG,PLDAPControlA *, PLDAPControlA *, struct l_timeval *, ULONG, LDAPMessage **);
typedef LDAPMessage * (LDAPAPI *PFN_LDAP_FIRST_ENTRY)( LDAP *, LDAPMessage * );
typedef PWCHAR * (LDAPAPI *PFN_LDAP_GET_VALUE)(LDAP *, LDAPMessage *, PWCHAR );
typedef ULONG (LDAPAPI *PFN_LDAP_MSGFREE)( LDAPMessage * );
typedef ULONG (LDAPAPI *PFN_LDAP_VALUE_FREE)( PWCHAR * );
typedef ULONG (LDAPAPI *PFN_LDAP_MAP_ERROR)( ULONG );
HRESULT
GetRootDomainSid(LPCWSTR pszServer, PSID *ppSid)
{
//
// get root domain sid, save it in RootDomSidBuf (global)
// this function is called within the critical section
//
// 1) ldap_open to the DC of interest.
// 2) you do not need to ldap_connect - the following step works anonymously
// 3) read the operational attribute rootDomainNamingContext and provide the
// operational control LDAP_SERVER_EXTENDED_DN_OID as defined in sdk\inc\ntldap.h.
DWORD Win32rc=NO_ERROR;
HINSTANCE hLdapDll=NULL;
PFN_LDAP_OPEN pfnLdapOpen=NULL;
PFN_LDAP_UNBIND pfnLdapUnbind=NULL;
PFN_LDAP_SEARCH pfnLdapSearch=NULL;
PFN_LDAP_FIRST_ENTRY pfnLdapFirstEntry=NULL;
PFN_LDAP_GET_VALUE pfnLdapGetValue=NULL;
PFN_LDAP_MSGFREE pfnLdapMsgFree=NULL;
PFN_LDAP_VALUE_FREE pfnLdapValueFree=NULL;
PFN_LDAP_MAP_ERROR pfnLdapMapError=NULL;
PLDAP phLdap=NULL;
LDAPControlW serverControls =
{ LDAP_SERVER_EXTENDED_DN_OID_W,
{ 0, NULL },
TRUE
};
LPWSTR Attribs[] = { LDAP_OPATT_ROOT_DOMAIN_NAMING_CONTEXT_W, NULL };
PLDAPControlW rServerControls[] = { &serverControls, NULL };
PLDAPMessage pMessage = NULL;
LDAPMessage *pEntry = NULL;
PWCHAR *ppszValues=NULL;
LPWSTR pSidStart, pSidEnd, pParse;
BYTE *pDest = NULL;
BYTE OneByte;
DWORD RootDomSidBuf[sizeof(SID)/sizeof(DWORD)+5];
hLdapDll = LoadLibraryA("wldap32.dll");
if ( hLdapDll)
{
pfnLdapOpen = (PFN_LDAP_OPEN)GetProcAddress(hLdapDll,
"ldap_openW");
pfnLdapUnbind = (PFN_LDAP_UNBIND)GetProcAddress(hLdapDll,
"ldap_unbind");
pfnLdapSearch = (PFN_LDAP_SEARCH)GetProcAddress(hLdapDll,
"ldap_search_ext_sW");
pfnLdapFirstEntry = (PFN_LDAP_FIRST_ENTRY)GetProcAddress(hLdapDll,
"ldap_first_entry");
pfnLdapGetValue = (PFN_LDAP_GET_VALUE)GetProcAddress(hLdapDll,
"ldap_get_valuesW");
pfnLdapMsgFree = (PFN_LDAP_MSGFREE)GetProcAddress(hLdapDll,
"ldap_msgfree");
pfnLdapValueFree = (PFN_LDAP_VALUE_FREE)GetProcAddress(hLdapDll,
"ldap_value_freeW");
pfnLdapMapError = (PFN_LDAP_MAP_ERROR)GetProcAddress(hLdapDll,
"LdapMapErrorToWin32");
}
if ( pfnLdapOpen == NULL ||
pfnLdapUnbind == NULL ||
pfnLdapSearch == NULL ||
pfnLdapFirstEntry == NULL ||
pfnLdapGetValue == NULL ||
pfnLdapMsgFree == NULL ||
pfnLdapValueFree == NULL ||
pfnLdapMapError == NULL )
{
Win32rc = ERROR_PROC_NOT_FOUND;
}
else
{
//
// bind to ldap
//
phLdap = (*pfnLdapOpen)((PWCHAR)pszServer, LDAP_PORT);
if ( phLdap == NULL )
Win32rc = ERROR_FILE_NOT_FOUND;
}
if ( NO_ERROR == Win32rc )
{
//
// now get the ldap handle,
//
Win32rc = (*pfnLdapSearch)(
phLdap,
L"",
LDAP_SCOPE_BASE,
L"(objectClass=*)",
Attribs,
0,
(PLDAPControlA *)&rServerControls,
NULL,
NULL,
10000,
&pMessage);
if( Win32rc == NO_ERROR && pMessage )
{
Win32rc = ERROR_SUCCESS;
pEntry = (*pfnLdapFirstEntry)(phLdap, pMessage);
if(pEntry == NULL)
{
Win32rc = (*pfnLdapMapError)( phLdap->ld_errno );
}
else
{
//
// Now, we'll have to get the values
//
ppszValues = (*pfnLdapGetValue)(phLdap,
pEntry,
Attribs[0]);
if( ppszValues == NULL)
{
Win32rc = (*pfnLdapMapError)( phLdap->ld_errno );
}
else if ( ppszValues[0] && ppszValues[0][0] != '\0' )
{
//
// ppszValues[0] is the value to parse.
// The data will be returned as something like:
// <GUID=278676f8d753d211a61ad7e2dfa25f11>;<SID=010400000000000515000000828ba6289b0bc11e67c2ef7f>;DC=colinbrdom1,DC=nttest,DC=microsoft,DC=com
// Parse through this to find the <SID=xxxxxx> part. Note that it may be missing, but the GUID= and trailer should not be.
// The xxxxx represents the hex nibbles of the SID. Translate to the binary form and case to a SID.
pSidStart = wcsstr(ppszValues[0], L"<SID=");
if ( pSidStart )
{
//
// find the end of this SID
//
pSidEnd = wcsstr(pSidStart, L">");
if ( pSidEnd )
{
pParse = pSidStart + 5;
pDest = (BYTE *)RootDomSidBuf;
while ( pParse < pSidEnd-1 )
{
if ( *pParse >= '0' && *pParse <= '9' )
{
OneByte = (BYTE) ((*pParse - '0') * 16);
}
else
{
OneByte = (BYTE) ( (tolower(*pParse) - 'a' + 10) * 16 );
}
if ( *(pParse+1) >= '0' && *(pParse+1) <= '9' )
{
OneByte = OneByte + (BYTE) ( (*(pParse+1)) - '0' ) ;
}
else
{
OneByte = OneByte + (BYTE) ( tolower(*(pParse+1)) - 'a' + 10 ) ;
}
*pDest = OneByte;
pDest++;
pParse += 2;
}
ULONG cbSid = GetLengthSid((PSID)RootDomSidBuf);
*ppSid = (PSID) LocalAlloc(LPTR, cbSid);
if (!*ppSid)
{
Win32rc = ERROR_NOT_ENOUGH_MEMORY;
}
CopyMemory(*ppSid, (PSID)RootDomSidBuf, cbSid);
ASSERT(IsValidSid(*ppSid));
}
else
{
Win32rc = ERROR_OBJECT_NOT_FOUND;
}
}
else
{
Win32rc = ERROR_OBJECT_NOT_FOUND;
}
(*pfnLdapValueFree)(ppszValues);
}
else
{
Win32rc = ERROR_OBJECT_NOT_FOUND;
}
}
(*pfnLdapMsgFree)(pMessage);
}
}
//
// even though it's not binded, use unbind to close
//
if ( phLdap != NULL && pfnLdapUnbind )
(*pfnLdapUnbind)(phLdap);
if ( hLdapDll )
{
FreeLibrary(hLdapDll);
}
return HRESULT_FROM_WIN32(Win32rc);
}
// If the server is non-NULL then this function will get the domain SID and the root
// domain SID and call ConvertStringSDToSDDomain. If server is NULl then we will just
// use ConvertStringSecurityDescriptorToSecurityDescriptor
HRESULT CSimpleSecurityDescriptorHolder::InitializeFromSDDL(PCWSTR server, PWSTR pszSDDL)
{
if (!pszSDDL)
{
ASSERT(pszSDDL);
return E_INVALIDARG;
}
HRESULT hr = S_OK;
bool fallbackToStdConvert = true;
PSID pDomainSID = 0;
PSID pRootDomainSID = 0;
do
{
if (!server)
{
break;
}
hr = GetDomainSid(server, &pDomainSID);
if (FAILED(hr))
{
break;
}
hr = GetRootDomainSid(server, &pRootDomainSID);
if (FAILED(hr))
{
break;
}
BOOL result =
ConvertStringSDToSDDomain(
pDomainSID,
pRootDomainSID,
pszSDDL,
SDDL_REVISION_1,
&m_pSD,
0);
if (!result)
{
DWORD error = GetLastError();
hr = HRESULT_FROM_WIN32(error);
break;
}
fallbackToStdConvert = false;
} while (false);
if (fallbackToStdConvert)
{
BOOL result =
ConvertStringSecurityDescriptorToSecurityDescriptor(
pszSDDL,
SDDL_REVISION_1,
&m_pSD,
0);
if (!result)
{
DWORD err = GetLastError();
hr = HRESULT_FROM_WIN32(err);
}
}
if (pDomainSID)
{
LocalFree(pDomainSID);
}
if (pRootDomainSID)
{
LocalFree(pRootDomainSID);
}
return hr;
}
HRESULT
MyGetModuleFileName(
HINSTANCE hInstance,
CString& moduleName)
{
HRESULT hr = S_OK;
WCHAR* szModule = 0;
DWORD bufferSizeInCharacters = MAX_PATH;
do
{
if (szModule)
{
delete[] szModule;
szModule = 0;
}
szModule = new WCHAR[bufferSizeInCharacters + 1];
if (!szModule)
{
hr = HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY);
break;
}
ZeroMemory(szModule, sizeof(WCHAR) * (bufferSizeInCharacters + 1));
DWORD result =
::GetModuleFileName(
hInstance,
szModule,
bufferSizeInCharacters);
if (!result)
{
DWORD err = ::GetLastError();
hr = HRESULT_FROM_WIN32(err);
break;
}
if (result < bufferSizeInCharacters)
{
break;
}
// truncation occurred, grow the buffer and try again
bufferSizeInCharacters *= 2;
} while (bufferSizeInCharacters < USHRT_MAX);
if (SUCCEEDED(hr))
{
moduleName = szModule;
}
if (szModule)
{
delete[] szModule;
}
return hr;
}