Source code of Windows XP (NT5)
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#define UNICODE
#define _OLE32_
#include <windows.h>
#include <shlobj.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <eh.h>
#include "minici.hxx"
typedef HRESULT (STDAPICALLTYPE * LPStgOpenStorageEx) (
const WCHAR* pwcsName,
DWORD grfMode,
DWORD stgfmt, // enum
DWORD grfAttrs, // reserved
STGOPTIONS * pStgOptions,
void * reserved,
REFIID riid,
void ** ppObjectOpen );
typedef HRESULT (STDAPICALLTYPE * PSHGetDesktopFolder) (
IShellFolder ** ppshf );
typedef HRESULT (STDAPICALLTYPE * PSHBindToParent) (
LPCITEMIDLIST pidl,
REFIID riid,
void **ppv,
LPCITEMIDLIST *ppidlLast);
PSHGetDesktopFolder pShGetDesktopFolder = 0;
PSHBindToParent pShBindToParent = 0;
void Usage()
{
printf( "usage: enumprop [-s] filename\n" );
printf( " -s -- use the shell's property code instead of OLE\n" );
exit( 1 );
} //Usage
//+-------------------------------------------------------------------------
//
// Function: Render
//
// Synopsis: Prints an item in a safearray
//
// Arguments: [vt] - type of the element
// [pa] - pointer to the item
//
//--------------------------------------------------------------------------
void PrintSafeArray( VARTYPE vt, LPSAFEARRAY pa );
void Render( VARTYPE vt, void * pv )
{
if ( VT_ARRAY & vt )
{
PrintSafeArray( vt - VT_ARRAY, *(SAFEARRAY **) pv );
return;
}
switch ( vt )
{
case VT_UI1: wprintf( L"%u", (unsigned) *(BYTE *)pv ); break;
case VT_I1: wprintf( L"%d", (int) *(CHAR *)pv ); break;
case VT_UI2: wprintf( L"%u", (unsigned) *(USHORT *)pv ); break;
case VT_I2: wprintf( L"%d", (int) *(SHORT *)pv ); break;
case VT_UI4:
case VT_UINT: wprintf( L"%u", (unsigned) *(ULONG *)pv ); break;
case VT_I4:
case VT_ERROR:
case VT_INT: wprintf( L"%d", *(LONG *)pv ); break;
case VT_UI8: wprintf( L"%I64u", *(unsigned __int64 *)pv ); break;
case VT_I8: wprintf( L"%I64d", *(__int64 *)pv ); break;
case VT_R4: wprintf( L"%f", *(float *)pv ); break;
case VT_R8: wprintf( L"%lf", *(double *)pv ); break;
case VT_DECIMAL:
{
double dbl;
VarR8FromDec( (DECIMAL *) pv, &dbl );
wprintf( L"%lf", dbl );
break;
}
case VT_CY:
{
double dbl;
VarR8FromCy( * (CY *) pv, &dbl );
wprintf( L"%lf", dbl );
break;
}
case VT_BOOL: wprintf( *(VARIANT_BOOL *)pv ? L"TRUE" : L"FALSE" ); break;
case VT_BSTR: wprintf( L"%ws", *(BSTR *) pv ); break;
case VT_VARIANT:
{
PROPVARIANT * pVar = (PROPVARIANT *) pv;
Render( pVar->vt, & pVar->lVal );
break;
}
case VT_DATE:
{
SYSTEMTIME st;
VariantTimeToSystemTime( *(DATE *)pv, &st );
BOOL pm = st.wHour >= 12;
if ( st.wHour > 12 )
st.wHour -= 12;
else if ( 0 == st.wHour )
st.wHour = 12;
wprintf( L"%2d-%02d-%04d %2d:%02d%wc",
(DWORD) st.wMonth,
(DWORD) st.wDay,
(DWORD) st.wYear,
(DWORD) st.wHour,
(DWORD) st.wMinute,
pm ? L'p' : L'a' );
break;
}
case VT_EMPTY:
case VT_NULL:
break;
default :
{
wprintf( L"(vt 0x%x)", (int) vt );
break;
}
}
} //Render
//+-------------------------------------------------------------------------
//
// Function: PrintSafeArray
//
// Synopsis: Prints items in a safearray
//
// Arguments: [vt] - type of elements in the safearray
// [pa] - pointer to the safearray
//
//--------------------------------------------------------------------------
void PrintSafeArray( VARTYPE vt, LPSAFEARRAY pa )
{
// Get the dimensions of the array
UINT cDim = SafeArrayGetDim( pa );
if ( 0 == cDim )
return;
XPtr<LONG> xDim( cDim );
XPtr<LONG> xLo( cDim );
XPtr<LONG> xUp( cDim );
for ( UINT iDim = 0; iDim < cDim; iDim++ )
{
HRESULT hr = SafeArrayGetLBound( pa, iDim + 1, &xLo[iDim] );
if ( FAILED( hr ) )
return;
xDim[ iDim ] = xLo[ iDim ];
hr = SafeArrayGetUBound( pa, iDim + 1, &xUp[iDim] );
if ( FAILED( hr ) )
return;
wprintf( L"{" );
}
// slog through the array
UINT iLastDim = cDim - 1;
BOOL fDone = FALSE;
while ( !fDone )
{
// inter-element formatting
if ( xDim[ iLastDim ] != xLo[ iLastDim ] )
wprintf( L"," );
// Get the element and render it
void *pv;
SafeArrayPtrOfIndex( pa, xDim.Get(), &pv );
Render( vt, pv );
// Move to the next element and carry if necessary
ULONG cOpen = 0;
for ( LONG iDim = iLastDim; iDim >= 0; iDim-- )
{
if ( xDim[ iDim ] < xUp[ iDim ] )
{
xDim[ iDim ] = 1 + xDim[ iDim ];
break;
}
wprintf( L"}" );
if ( 0 == iDim )
fDone = TRUE;
else
{
cOpen++;
xDim[ iDim ] = xLo[ iDim ];
}
}
for ( ULONG i = 0; !fDone && i < cOpen; i++ )
wprintf( L"{" );
}
} //PrintSafeArray
//+-------------------------------------------------------------------------
//
// Function: PrintVectorItems
//
// Synopsis: Prints items in a PROPVARIANT vector
//
// Arguments: [pVal] - The array of values
// [cVals] - The count of values
// [pcFmt] - The format string
//
//--------------------------------------------------------------------------
template<class T> void PrintVectorItems(
T * pVal,
ULONG cVals,
char * pcFmt )
{
printf( "{ " );
for( ULONG iVal = 0; iVal < cVals; iVal++ )
{
if ( 0 != iVal )
printf( "," );
printf( pcFmt, *pVal++ );
}
printf( " }" );
} //PrintVectorItems
//+-------------------------------------------------------------------------
//
// Function: DisplayValue
//
// Synopsis: Displays a PROPVARIANT value. Limited formatting is done.
//
// Arguments: [pVar] - The value to display
//
//--------------------------------------------------------------------------
void DisplayValue( PROPVARIANT const * pVar )
{
if ( 0 == pVar )
{
wprintf( L"NULL" );
return;
}
// Display the most typical variant types
PROPVARIANT const & v = *pVar;
switch ( v.vt )
{
case VT_EMPTY : wprintf( L"vt_empty" ); break;
case VT_NULL : wprintf( L"vt_null" ); break;
case VT_I4 : wprintf( L"%10d", v.lVal ); break;
case VT_UI1 : wprintf( L"%10d", v.bVal ); break;
case VT_I2 : wprintf( L"%10d", v.iVal ); break;
case VT_R4 : wprintf( L"%10f", v.fltVal ); break;
case VT_R8 : wprintf( L"%10lf", v.dblVal ); break;
case VT_BOOL : wprintf( v.boolVal ? L"TRUE" : L"FALSE" ); break;
case VT_I1 : wprintf( L"%10d", v.cVal ); break;
case VT_UI2 : wprintf( L"%10u", v.uiVal ); break;
case VT_UI4 : wprintf( L"%10u", v.ulVal ); break;
case VT_INT : wprintf( L"%10d", v.lVal ); break;
case VT_UINT : wprintf( L"%10u", v.ulVal ); break;
case VT_I8 : wprintf( L"%20I64d", v.hVal ); break;
case VT_UI8 : wprintf( L"%20I64u", v.hVal ); break;
case VT_ERROR : wprintf( L"%#x", v.scode ); break;
case VT_LPSTR : wprintf( L"%S", v.pszVal ); break;
case VT_LPWSTR : wprintf( L"%ws", v.pwszVal ); break;
case VT_BSTR : wprintf( L"%ws", v.bstrVal ); break;
case VT_CY:
{
double dbl;
VarR8FromCy( v.cyVal, &dbl );
wprintf( L"%lf", dbl );
break;
}
case VT_DECIMAL :
{
double dbl;
VarR8FromDec( (DECIMAL *) &v.decVal, &dbl );
wprintf( L"%lf", dbl );
break;
}
case VT_FILETIME :
case VT_DATE :
{
SYSTEMTIME st;
if ( VT_DATE == v.vt )
{
VariantTimeToSystemTime( v.date, &st );
}
else
{
#if 0
FILETIME ft;
FileTimeToLocalFileTime( &v.filetime, &ft );
FileTimeToSystemTime( &ft, &st );
#else
FileTimeToSystemTime( &v.filetime, &st );
#endif
}
BOOL pm = st.wHour >= 12;
if ( st.wHour > 12 )
st.wHour -= 12;
else if ( 0 == st.wHour )
st.wHour = 12;
wprintf( L"%2d-%02d-%04d %2d:%02d%wc",
(DWORD) st.wMonth,
(DWORD) st.wDay,
(DWORD) st.wYear,
(DWORD) st.wHour,
(DWORD) st.wMinute,
pm ? L'p' : L'a' );
break;
}
case VT_VECTOR | VT_I1:
PrintVectorItems( v.cac.pElems, v.cac.cElems, "%d" ); break;
case VT_VECTOR | VT_I2:
PrintVectorItems( v.cai.pElems, v.cai.cElems, "%d" ); break;
case VT_VECTOR | VT_I4:
PrintVectorItems( v.cal.pElems, v.cal.cElems, "%d" ); break;
case VT_VECTOR | VT_I8:
PrintVectorItems( v.cah.pElems, v.cah.cElems, "%I64d" ); break;
case VT_VECTOR | VT_UI1:
PrintVectorItems( v.caub.pElems, v.caub.cElems, "%u" ); break;
case VT_VECTOR | VT_UI2:
PrintVectorItems( v.caui.pElems, v.caui.cElems, "%u" ); break;
case VT_VECTOR | VT_UI4:
PrintVectorItems( v.caul.pElems, v.caul.cElems, "%u" ); break;
case VT_VECTOR | VT_ERROR:
PrintVectorItems( v.cascode.pElems, v.cascode.cElems, "%#x" ); break;
case VT_VECTOR | VT_UI8:
PrintVectorItems( v.cauh.pElems, v.cauh.cElems, "%I64u" ); break;
case VT_VECTOR | VT_BSTR:
PrintVectorItems( v.cabstr.pElems, v.cabstr.cElems, "%ws" ); break;
case VT_VECTOR | VT_LPSTR:
PrintVectorItems( v.calpstr.pElems, v.calpstr.cElems, "%S" ); break;
case VT_VECTOR | VT_LPWSTR:
PrintVectorItems( v.calpwstr.pElems, v.calpwstr.cElems, "%ws" ); break;
case VT_VECTOR | VT_R4:
PrintVectorItems( v.caflt.pElems, v.caflt.cElems, "%f" ); break;
case VT_VECTOR | VT_R8:
PrintVectorItems( v.cadbl.pElems, v.cadbl.cElems, "%lf" ); break;
default :
{
if ( VT_ARRAY & v.vt )
PrintSafeArray( v.vt - VT_ARRAY, v.parray );
else
wprintf( L"vt 0x%05x", v.vt );
break;
}
}
} //DisplayValue
void DumpProps(
XInterface<IPropertySetStorage> & xPropSetStorage,
BOOL fBonusProperties )
{
// Get enumerator for property set
XInterface<IEnumSTATPROPSETSTG> xPropSetEnum;
HRESULT hr = xPropSetStorage->Enum( xPropSetEnum.GetPPointer() );
if ( FAILED( hr ) )
{
printf( "IPropertySetStorage::Enum failed: %#x\n", hr );
exit( 1 );
}
STATPROPSETSTG propset;
BOOL fUserProp = !fBonusProperties;
while( ( (hr = xPropSetEnum->Next(1, &propset, NULL)) == S_OK ) ||
!fUserProp)
{
GUID FormatID;
if ( S_OK == hr )
{
FormatID = propset.fmtid;
}
else
{
FormatID = FMTID_UserDefinedProperties;
fUserProp = TRUE;
}
XInterface<IPropertyStorage> xPropStorage;
hr = xPropSetStorage->Open( FormatID,
STGM_READ | STGM_SHARE_EXCLUSIVE,
xPropStorage.GetPPointer() );
if ( ( ( E_FAIL == hr ) || ( STG_E_FILENOTFOUND == hr ) ) &&
( FMTID_UserDefinedProperties == FormatID ) )
{
printf( "IPropertySetStorage::Open failed with %#x\n", hr );
hr = S_OK;
continue;
}
else if ( FAILED( hr ) )
{
printf( "IPropertySetStorage::Open failed badly with %#x\n", hr );
exit( 1 );
}
printf( "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\n",
FormatID.Data1,
FormatID.Data2,
FormatID.Data3,
FormatID.Data4[0], FormatID.Data4[1],
FormatID.Data4[2], FormatID.Data4[3],
FormatID.Data4[4], FormatID.Data4[5],
FormatID.Data4[6], FormatID.Data4[7] );
XInterface<IEnumSTATPROPSTG> xEnumStatPropStg;
// Get enumerator for property
hr = xPropStorage->Enum( xEnumStatPropStg.GetPPointer() );
if ( FAILED( hr ) )
{
printf( "IPropertyStorage::Enum failed %#x\n", hr );
continue;
}
PROPVARIANT prop;
PropVariantInit( &prop );
// Get the locale for properties
PROPSPEC ps;
ps.ulKind = PRSPEC_PROPID;
ps.propid = PID_LOCALE;
hr = xPropStorage->ReadMultiple( 1,
&ps,
&prop );
if ( SUCCEEDED( hr ) )
{
if ( VT_EMPTY == prop.vt )
{
printf( " no lcid, so using system default\n" );
}
else
{
printf( " locale: %d (%#x)\n", prop.ulVal, prop.ulVal );
PropVariantClear(&prop);
}
}
else
{
printf( " can't read the locale: %#x\n", hr );
}
// Get the code page for properties
PROPSPEC psCodePage = { PRSPEC_PROPID, PID_CODEPAGE };
hr = xPropStorage->ReadMultiple(1, &psCodePage, &prop);
if ( SUCCEEDED( hr ) )
{
if(VT_I2 == prop.vt)
printf( " codepage: %d (%#x)\n", (UINT)prop.uiVal, (UINT) prop.uiVal );
else
printf( " vt of codepage: %d (%#x)\n", prop.vt, prop.vt );
PropVariantClear( &prop );
}
else
{
printf( " no codepage, assume ansi\n" );
}
// Enumerate all properties in the property set
STATPROPSTG statPS;
ULONG ul;
if ( S_OK != hr )
{
hr = S_OK;
}
while ( ( S_OK == xEnumStatPropStg->Next( 1, &statPS, &ul ) ) &&
( 1 == ul ) &&
( SUCCEEDED( hr ) ) )
{
if ( 0 != statPS.lpwstrName )
{
printf( " name: '%ws', ", statPS.lpwstrName );
ps.ulKind = PRSPEC_LPWSTR;
ps.lpwstr = statPS.lpwstrName;
}
else
{
printf( " pid: %d (%#x), ", statPS.propid, statPS.propid );
ps.ulKind = PRSPEC_PROPID;
ps.propid = statPS.propid;
}
hr = xPropStorage->ReadMultiple( 1,
&ps,
&prop );
if ( SUCCEEDED( hr ) )
{
if ( S_FALSE == hr )
printf( "readmultiple returned S_FALSE!\n" );
printf( "vt: %d (%#x), ", prop.vt, prop.vt );
DisplayValue( &prop );
printf( "\n" );
PropVariantClear( &prop );
}
else
{
printf( " IPropertyStorage::ReadMultiple failed: %#x\n", hr );
hr = S_OK;
}
}
}
} //DumpProps
HRESULT BindToItemByName(
WCHAR const * pszFile,
REFIID riid,
void ** ppv )
{
XInterface<IShellFolder> xDesktop;
HRESULT hr = pShGetDesktopFolder( xDesktop.GetPPointer() );
if ( SUCCEEDED( hr ) )
{
XInterface<IBindCtx> xBindCtx;
hr = CreateBindCtx( 0, xBindCtx.GetPPointer() );
if ( FAILED( hr ) )
return hr;
BIND_OPTS bo = {sizeof(bo), 0};
bo.grfFlags = BIND_JUSTTESTEXISTENCE; // skip all junctions
hr = xBindCtx->SetBindOptions( &bo );
if ( FAILED( hr ) )
return hr;
LPITEMIDLIST pidl;
// cast needed for bad interface def
hr = xDesktop->ParseDisplayName( 0,
xBindCtx.GetPointer(),
(LPWSTR) pszFile,
0,
&pidl,
0 );
if ( SUCCEEDED( hr ) )
{
XInterface<IShellFolder> xSF;
LPCITEMIDLIST pidlChild;
hr = pShBindToParent( pidl,
IID_IShellFolder,
xSF.GetQIPointer(),
&pidlChild );
if (SUCCEEDED(hr))
hr = xSF->BindToObject( pidlChild, 0, riid, ppv );
else
printf( "SHBindToParent failed: %#x\n", hr );
CoTaskMemFree( pidl );
}
else
{
printf( "IShellFolder::ParseDisplayNamed failed %#x\n", hr );
}
}
else
{
printf( "SHGetDesktopFolder failed: %#x\n", hr );
}
return hr;
} //BindToItemByName
extern "C" int __cdecl wmain( int argc, WCHAR * argv[] )
{
if ( 2 != argc && 3 != argc )
Usage();
BOOL fUseOLE = TRUE;
if ( ( 3 == argc ) && !_wcsicmp( L"-s", argv[1] ) )
fUseOLE = FALSE;
WCHAR awcPath[MAX_PATH];
_wfullpath( awcPath, argv[ (2 == argc) ? 1 : 2 ], MAX_PATH );
HRESULT hr = CoInitialize( 0 );
if ( FAILED( hr ) )
{
printf( "can't init com: %#x\n", hr );
exit( 1 );
}
if ( fUseOLE )
{
BOOL fWindows2000Plus = FALSE;
OSVERSIONINFOA ovi;
ovi.dwOSVersionInfoSize = sizeof ovi;
GetVersionExA( &ovi );
if ( ( VER_PLATFORM_WIN32_NT == ovi.dwPlatformId ) &&
( ovi.dwMajorVersion >= 5 ) )
fWindows2000Plus = TRUE;
HINSTANCE h = LoadLibraryA( "ole32.dll" );
if ( 0 == h )
{
printf( "can't load ole32.dll\n" );
exit( 1 );
}
LPStgOpenStorageEx pOpen = (LPStgOpenStorageEx) GetProcAddress( h, "StgOpenStorageEx" );
// Note: on some platforms closing the IStorage before finishing with
// the IPropertySetStorage will result in the object going away. It's a bug
// in OLE.
XInterface<IStorage> xStorage;
XInterface<IPropertySetStorage> xPropSetStorage;
if ( fWindows2000Plus && 0 != pOpen )
{
HRESULT hr = pOpen( awcPath,
STGM_DIRECT |
STGM_READ |
STGM_SHARE_DENY_WRITE,
STGFMT_ANY,
0,
0,
0,
IID_IPropertySetStorage,
xPropSetStorage.GetQIPointer() );
if ( FAILED( hr ) )
{
printf( "failed to openEx the file: %#x\n", hr );
exit( 1 );
}
}
else
{
HRESULT hr = StgOpenStorage( awcPath,
0,
STGM_READ | STGM_SHARE_DENY_WRITE,
0,
0,
xStorage.GetPPointer() );
if ( FAILED( hr ) )
{
printf( "StgOpenStorage failed to open the file: %#x\n", hr );
exit( 1 );
}
// Rely on iprop.dll on Win9x, since OLE32 doesn't have the code
hr = StgCreatePropSetStg( xStorage.GetPointer(),
0,
xPropSetStorage.GetPPointer() );
if ( FAILED( hr ) )
{
printf( "StgCreatePropSetStg failed: %#x\n", hr );
exit( 1 );
}
}
DumpProps( xPropSetStorage, TRUE );
FreeLibrary( h );
}
else
{
HINSTANCE h = LoadLibrary( L"shell32.dll" );
if ( 0 == h )
{
printf( "can't load shell32.dll\n" );
exit( 1 );
}
pShGetDesktopFolder = (PSHGetDesktopFolder) GetProcAddress( h, "SHGetDesktopFolder" );
if ( 0 == pShGetDesktopFolder )
{
printf( "can't find SHGetDesktopFolder in shell32.dll\n" );
exit( 1 );
}
pShBindToParent = (PSHBindToParent) GetProcAddress( h, "SHBindToParent" );
if ( 0 == pShBindToParent )
{
printf( "can't find SHBindToParent in shell32.dll\n" );
exit( 1 );
}
XInterface<IPropertySetStorage> xPropSetStorage;
CLSID clsidPSS = IID_IPropertySetStorage;
hr = BindToItemByName( awcPath,
clsidPSS,
xPropSetStorage.GetQIPointer() );
if ( FAILED( hr ) )
printf( "couldn't bind to item %ws by name: %#x\n", awcPath, hr );
else
DumpProps( xPropSetStorage, FALSE );
FreeLibrary( h );
}
CoUninitialize();
return 0;
} //wmain