//+============================================================================
//
// File: RtlStub.cxx
//
// Purpose:
// This file provides some RTL routines which are also implemented
// in NTDLL. They are duplicated here so that we can build
// PropTest without linking to NTDLL, which doesn't exist
// on Win95.
//
//+============================================================================
#include "pch.cxx" // Brings in most other includes/defines/etc.
#define BSTRLEN(bstrVal) *((ULONG *) bstrVal - 1)
// we use static array instead of string literals because some systems
// have 4 bytes string literals, and would not produce the correct result
// for REF's 2 byte Unicode convention
//
OLECHAR aocMap[CCH_MAP + 1] = {'a','b','c','d','e','f','g',
'h','i','j','k','l','m','n',
'o','p','q','r','s','t','u',
'v','w','x','y','z',
'0','1','2','3','4','5','\0'};
GUID guidSummary =
{ 0xf29f85e0,
0x4ff9, 0x1068,
{ 0xab, 0x91, 0x08, 0x00, 0x2b, 0x27, 0xb3, 0xd9 } };
OLECHAR oszSummary[] = {'S','u','m','m','a','r','y',
'I','n','f','o','r','m','a','t','i','o','n','\0'};
GUID guidDocumentSummary =
{ 0xd5cdd502,
0x2e9c, 0x101b,
{ 0x93, 0x97, 0x08, 0x00, 0x2b, 0x2c, 0xf9, 0xae } };
OLECHAR oszDocumentSummary[] = {'D','o','c','u','m','e','n','t',
'S','u','m','m','a','r','y',
'I','n','f','o','r','m','a','t','i','o','n',
'\0'};
// Note that user defined properties are placed in section 2 with the below
// GUID as the FMTID -- alas, we did not expect Office95 to actually use it.
GUID guidDocumentSummarySection2 =
{ 0xd5cdd505,
0x2e9c, 0x101b,
{ 0x93, 0x97, 0x08, 0x00, 0x2b, 0x2c, 0xf9, 0xae } };
// *Global Info*
GUID guidGlobalInfo =
{ 0x56616F00,
0xC154, 0x11ce,
{ 0x85, 0x53, 0x00, 0xAA, 0x00, 0xA1, 0xF9, 0x5B } };
// *Image Contents*
GUID guidImageContents =
{ 0x56616500,
0xC154, 0x11ce,
{ 0x85, 0x53, 0x00, 0xAA, 0x00, 0xA1, 0xF9, 0x5B } };
// *Image Info*
GUID guidImageInfo =
{ 0x56616500,
0xC154, 0x11ce,
{ 0x85, 0x53, 0x00, 0xAA, 0x00, 0xA1, 0xF9, 0x5B } };
//+--------------------------------------------------------------------------
// Function: RtlGuidToPropertySetName
//
// Synopsis: Map property set GUID to null-terminated UNICODE name string.
//
// The awcname parameter is assumed to be a buffer with room for
// CWC_PROPSETSZ (28) UNICODE characters. The first character
// is always WC_PROPSET0 (0x05), as specified by the OLE Appendix
// B documentation. The colon character normally used as an NT
// stream name separator is not written to the caller's buffer.
//
// No error is possible.
//
// Arguments: IN GUID *pguid -- pointer to GUID to convert
// OUT OLECHAR aocname[] -- output string buffer
//
// Returns: count of non-NULL characters in the output string buffer
//---------------------------------------------------------------------------
ULONG PROPSYSAPI PROPAPI
RtlGuidToPropertySetName(
IN GUID const *pguid,
OUT OLECHAR aocname[])
{
ULONG cbitRemain = CBIT_BYTE;
OLECHAR *poc = aocname;
BYTE *pb;
BYTE *pbEnd;
*poc++ = OC_PROPSET0;
// -----------------------
// Check for special-cases
// -----------------------
// Note: CCH_PROPSET includes the OC_PROPSET0, and sizeof(osz...)
// includes the trailing '\0', so sizeof(osz...) is ok because the
// OC_PROPSET0 character compensates for the trailing NULL character.
// Is this the SummaryInformation propset?
PROPASSERT(CCH_PROPSET >= sizeof(oszSummary)/sizeof(OLECHAR));
if (*pguid == guidSummary)
{
RtlCopyMemory(poc, oszSummary, sizeof(oszSummary));
return(sizeof(oszSummary)/sizeof(OLECHAR));
}
// Is this The DocumentSummaryInformation or User-Defined propset?
PROPASSERT(CCH_PROPSET >= sizeof(oszDocumentSummary)/sizeof(OLECHAR));
if (*pguid == guidDocumentSummary || *pguid == guidDocumentSummarySection2)
{
RtlCopyMemory(poc, oszDocumentSummary, sizeof(oszDocumentSummary));
return(sizeof(oszDocumentSummary)/sizeof(OLECHAR));
}
// Is this the Global Info propset?
PROPASSERT(CCH_PROPSET >= sizeof(oszGlobalInfo)/sizeof(OLECHAR));
if (*pguid == guidGlobalInfo)
{
RtlCopyMemory(poc, oszGlobalInfo, cboszGlobalInfo);
return(cboszGlobalInfo/sizeof(OLECHAR));
}
// Is this the Image Contents propset?
PROPASSERT(CCH_PROPSET >= sizeof(oszImageContents)/sizeof(OLECHAR));
if (*pguid == guidImageContents)
{
RtlCopyMemory(poc, oszImageContents, cboszImageContents);
return(cboszImageContents/sizeof(OLECHAR));
}
// Is this the Image Info propset?
PROPASSERT(CCH_PROPSET >= sizeof(oszImageInfo)/sizeof(OLECHAR));
if (*pguid == guidImageInfo)
{
RtlCopyMemory(poc, oszImageInfo, cboszImageInfo);
return(cboszImageInfo/sizeof(OLECHAR));
}
// ------------------------------
// Calculate the string-ized GUID
// ------------------------------
// If this is a big-endian system, we need to convert
// the GUID to little-endian for the conversion.
#if BIGENDIAN
GUID guidByteSwapped = *pguid;
PropByteSwap( &guidByteSwapped );
pguid = &guidByteSwapped;
#endif
// Point to the beginning and ending of the GUID
pb = (BYTE*) pguid;
pbEnd = pb + sizeof(*pguid);
// Walk 'pb' through each byte of the GUID.
while (pb < pbEnd)
{
ULONG i = *pb >> (CBIT_BYTE - cbitRemain);
if (cbitRemain >= CBIT_CHARMASK)
{
*poc = MapChar(i);
if (cbitRemain == CBIT_BYTE && *poc >= (OLECHAR)'a'
&& *poc <= ((OLECHAR)'z'))
{
*poc += (OLECHAR) ( ((OLECHAR)'A') - ((OLECHAR)'a') );
}
poc++;
cbitRemain -= CBIT_CHARMASK;
if (cbitRemain == 0)
{
pb++;
cbitRemain = CBIT_BYTE;
}
}
else
{
if (++pb < pbEnd)
{
i |= *pb << cbitRemain;
}
*poc++ = MapChar(i);
cbitRemain += CBIT_BYTE - CBIT_CHARMASK;
}
} // while (pb < pbEnd)
*poc = OLESTR( '\0' );
return(CCH_PROPSET);
}
//+--------------------------------------------------------------------------
// Function: RtlPropertySetNameToGuid
//
// Synopsis: Map non null-terminated UNICODE string to a property set GUID.
//
// If the name is not properly formed as per
// RtlGuidToPropertySetName(), STATUS_INVALID_PARAMETER is
// returned. The pguid parameter is assumed to point to a buffer
// with room for a GUID structure.
//
// Arguments: IN ULONG cocname -- count of OLECHARs in string to convert
// IN OLECHAR aocname[] -- input string to convert
// OUT GUID *pguid -- pointer to buffer for converted GUID
//
// Returns: NTSTATUS
//---------------------------------------------------------------------------
NTSTATUS PROPSYSAPI PROPAPI
RtlPropertySetNameToGuid(
IN ULONG cocname,
IN OLECHAR const aocname[],
OUT GUID *pguid)
{
NTSTATUS Status = STATUS_INVALID_PARAMETER;
OLECHAR const *poc = aocname;
if (poc[0] == OC_PROPSET0)
{
// -----------------------
// Check for Special-Cases
// -----------------------
// Note: cocname includes the OC_PROPSET0, and sizeof(osz...)
// includes the trailing OLESTR('\0'), but the comparison excludes both
// the leading OC_PROPSET0 and the trailing '\0'.
// Is this SummaryInformation?
if (cocname == sizeof(oszSummary)/sizeof(OLECHAR) &&
ocsnicmp(&poc[1], oszSummary, cocname - 1) == 0)
{
*pguid = guidSummary;
return(STATUS_SUCCESS);
}
// Is this DocumentSummaryInformation?
if (cocname == sizeof(oszDocumentSummary)/sizeof(OLECHAR) &&
ocsnicmp(&poc[1], oszDocumentSummary, cocname - 1) == 0)
{
*pguid = guidDocumentSummary;
return(STATUS_SUCCESS);
}
// Is this Global Info?
if (cocname == cboszGlobalInfo/sizeof(OLECHAR) &&
ocsnicmp(&poc[1], oszGlobalInfo, cocname - 1) == 0)
{
*pguid = guidGlobalInfo;
return(STATUS_SUCCESS);
}
// Is this Image Info?
if (cocname == cboszImageInfo/sizeof(OLECHAR) &&
ocsnicmp(&poc[1], oszImageInfo, cocname - 1) == 0)
{
*pguid = guidImageInfo;
return(STATUS_SUCCESS);
}
// Is this Image Contents?
if (cocname == cboszImageContents/sizeof(OLECHAR) &&
ocsnicmp(&poc[1], oszImageContents, cocname - 1) == 0)
{
*pguid = guidImageContents;
return(STATUS_SUCCESS);
}
// ------------------
// Calculate the GUID
// ------------------
// None of the special-cases hit, so we must calculate
// the GUID from the name.
if (cocname == CCH_PROPSET)
{
ULONG cbit;
BYTE *pb = (BYTE *) pguid - 1;
RtlZeroMemory(pguid, sizeof(*pguid));
for (cbit = 0; cbit < CBIT_GUID; cbit += CBIT_CHARMASK)
{
ULONG cbitUsed = cbit % CBIT_BYTE;
ULONG cbitStored;
OLECHAR oc;
if (cbitUsed == 0)
{
pb++;
}
oc = *++poc - (OLECHAR)'A'; // assume upper case
// for wchar (unsigned) -ve values becomes a large number
// but for char, which is signed, -ve is -ve
if (oc > CALPHACHARS || oc < 0)
{
// oops, try lower case
oc += (OLECHAR) ( ((OLECHAR)'A') - ((OLECHAR)'a'));
if (oc > CALPHACHARS || oc < 0)
{
// must be a digit
oc += ((OLECHAR)'a') - ((OLECHAR)'0') + CALPHACHARS;
if (oc > CHARMASK)
{
goto Exit; // invalid character
}
}
}
*pb |= (BYTE) (oc << cbitUsed);
cbitStored = min(CBIT_BYTE - cbitUsed, CBIT_CHARMASK);
// If the translated bits wouldn't all fit in the current byte
if (cbitStored < CBIT_CHARMASK)
{
oc >>= CBIT_BYTE - cbitUsed;
if (cbit + cbitStored == CBIT_GUID)
{
if (oc != 0)
{
goto Exit; // extra bits
}
break;
}
pb++;
*pb |= (BYTE) oc;
}
} // for (cbit = 0; cbit < CBIT_GUID; cbit += CBIT_CHARMASK)
Status = STATUS_SUCCESS;
// If byte-swapping is necessary, do so now on the calculated
// GUID.
PropByteSwap( pguid );
} // if (cocname == CCH_PROPSET)
} // if (poc[0] == OC_PROPSET0)
// ----
// Exit
// ----
Exit:
return(Status);
}
inline BOOLEAN
_Compare_VT_BOOL(VARIANT_BOOL bool1, VARIANT_BOOL bool2)
{
// Allow any non-zero value to match any non-zero value
return((bool1 == FALSE) == (bool2 == FALSE));
}
BOOLEAN
_Compare_VT_CF(CLIPDATA *pclipdata1, CLIPDATA *pclipdata2)
{
BOOLEAN fSame;
if (pclipdata1 != NULL && pclipdata2 != NULL)
{
fSame = ( pclipdata1->cbSize == pclipdata2->cbSize
&&
pclipdata1->ulClipFmt == pclipdata2->ulClipFmt );
if (fSame)
{
if (pclipdata1->pClipData != NULL && pclipdata2->pClipData != NULL)
{
fSame = memcmp(
pclipdata1->pClipData,
pclipdata2->pClipData,
CBPCLIPDATA(*pclipdata1)
) == 0;
}
else
{
// They're the same if both are NULL, or if
// they have a zero length (if they have a zero
// length, either one may or may not be NULL, but they're
// still considered the same).
fSame = pclipdata1->pClipData == pclipdata2->pClipData
||
CBPCLIPDATA(*pclipdata1) == 0;
}
}
}
else
{
fSame = pclipdata1 == pclipdata2;
}
return(fSame);
}
//+---------------------------------------------------------------------------
// Function: RtlCompareVariants, public
//
// Synopsis: Compare two passed PROPVARIANTs -- case sensitive for strings
//
// Arguments: [CodePage] -- CodePage
// [pvar1] -- pointer to PROPVARIANT
// [pvar2] -- pointer to PROPVARIANT
//
// Returns: TRUE if identical, else FALSE
//---------------------------------------------------------------------------
#ifdef _MAC
EXTERN_C // The Mac linker doesn't seem to be able to export with C++ decorations
#endif
BOOLEAN PROPSYSAPI PROPAPI
PropTestCompareVariants(
USHORT CodePage,
PROPVARIANT const *pvar1,
PROPVARIANT const *pvar2)
{
if (pvar1->vt != pvar2->vt)
{
return(FALSE);
}
BOOLEAN fSame;
ULONG i;
switch (pvar1->vt)
{
case VT_EMPTY:
case VT_NULL:
fSame = TRUE;
break;
case VT_I1:
case VT_UI1:
fSame = pvar1->bVal == pvar2->bVal;
break;
case VT_I2:
case VT_UI2:
fSame = pvar1->iVal == pvar2->iVal;
break;
case VT_BOOL:
fSame = _Compare_VT_BOOL(pvar1->boolVal, pvar2->boolVal);
break;
case VT_I4:
case VT_UI4:
case VT_R4:
case VT_ERROR:
fSame = pvar1->lVal == pvar2->lVal;
break;
case VT_I8:
case VT_UI8:
case VT_R8:
case VT_CY:
case VT_DATE:
case VT_FILETIME:
fSame = pvar1->hVal.HighPart == pvar2->hVal.HighPart
&&
pvar1->hVal.LowPart == pvar2->hVal.LowPart;
break;
case VT_CLSID:
fSame = memcmp(pvar1->puuid, pvar2->puuid, sizeof(CLSID)) == 0;
break;
case VT_BLOB:
case VT_BLOB_OBJECT:
fSame = ( pvar1->blob.cbSize == pvar2->blob.cbSize );
if (fSame)
{
fSame = memcmp(
pvar1->blob.pBlobData,
pvar2->blob.pBlobData,
pvar1->blob.cbSize) == 0;
}
break;
case VT_CF:
fSame = _Compare_VT_CF(pvar1->pclipdata, pvar2->pclipdata);
break;
case VT_BSTR:
if (pvar1->bstrVal != NULL && pvar2->bstrVal != NULL)
{
fSame = ( BSTRLEN(pvar1->bstrVal) == BSTRLEN(pvar2->bstrVal) );
if (fSame)
{
fSame = memcmp(
pvar1->bstrVal,
pvar2->bstrVal,
BSTRLEN(pvar1->bstrVal)) == 0;
}
}
else
{
fSame = pvar1->bstrVal == pvar2->bstrVal;
}
break;
case VT_LPSTR:
if (pvar1->pszVal != NULL && pvar2->pszVal != NULL)
{
fSame = strcmp(pvar1->pszVal, pvar2->pszVal) == 0;
}
else
{
fSame = pvar1->pszVal == pvar2->pszVal;
}
break;
case VT_STREAM:
case VT_STREAMED_OBJECT:
case VT_STORAGE:
case VT_STORED_OBJECT:
case VT_LPWSTR:
if (pvar1->pwszVal != NULL && pvar2->pwszVal != NULL)
{
fSame = Prop_wcscmp(pvar1->pwszVal, pvar2->pwszVal) == 0;
}
else
{
fSame = pvar1->pwszVal == pvar2->pwszVal;
}
break;
case VT_VECTOR | VT_I1:
case VT_VECTOR | VT_UI1:
fSame = ( pvar1->caub.cElems == pvar2->caub.cElems );
if (fSame)
{
fSame = memcmp(
pvar1->caub.pElems,
pvar2->caub.pElems,
pvar1->caub.cElems * sizeof(pvar1->caub.pElems[0])) == 0;
}
break;
case VT_VECTOR | VT_I2:
case VT_VECTOR | VT_UI2:
fSame = ( pvar1->cai.cElems == pvar2->cai.cElems );
if (fSame)
{
fSame = memcmp(
pvar1->cai.pElems,
pvar2->cai.pElems,
pvar1->cai.cElems * sizeof(pvar1->cai.pElems[0])) == 0;
}
break;
case VT_VECTOR | VT_BOOL:
fSame = ( pvar1->cabool.cElems == pvar2->cabool.cElems );
if (fSame)
{
for (i = 0; i < pvar1->cabool.cElems; i++)
{
fSame = _Compare_VT_BOOL(
pvar1->cabool.pElems[i],
pvar2->cabool.pElems[i]);
if (!fSame)
{
break;
}
}
}
break;
case VT_VECTOR | VT_I4:
case VT_VECTOR | VT_UI4:
case VT_VECTOR | VT_R4:
case VT_VECTOR | VT_ERROR:
fSame = ( pvar1->cal.cElems == pvar2->cal.cElems );
if (fSame)
{
fSame = memcmp(
pvar1->cal.pElems,
pvar2->cal.pElems,
pvar1->cal.cElems * sizeof(pvar1->cal.pElems[0])) == 0;
}
break;
case VT_VECTOR | VT_I8:
case VT_VECTOR | VT_UI8:
case VT_VECTOR | VT_R8:
case VT_VECTOR | VT_CY:
case VT_VECTOR | VT_DATE:
case VT_VECTOR | VT_FILETIME:
fSame = ( pvar1->cah.cElems == pvar2->cah.cElems );
if (fSame)
{
fSame = memcmp(
pvar1->cah.pElems,
pvar2->cah.pElems,
pvar1->cah.cElems *
sizeof(pvar1->cah.pElems[0])) == 0;
}
break;
case VT_VECTOR | VT_CLSID:
fSame = ( pvar1->cauuid.cElems == pvar2->cauuid.cElems );
if (fSame)
{
fSame = memcmp(
pvar1->cauuid.pElems,
pvar2->cauuid.pElems,
pvar1->cauuid.cElems *
sizeof(pvar1->cauuid.pElems[0])) == 0;
}
break;
case VT_VECTOR | VT_CF:
fSame = ( pvar1->caclipdata.cElems == pvar2->caclipdata.cElems );
if (fSame)
{
for (i = 0; i < pvar1->caclipdata.cElems; i++)
{
fSame = _Compare_VT_CF(
&pvar1->caclipdata.pElems[i],
&pvar2->caclipdata.pElems[i]);
if (!fSame)
{
break;
}
}
}
break;
case VT_VECTOR | VT_BSTR:
fSame = ( pvar1->cabstr.cElems == pvar2->cabstr.cElems );
if (fSame)
{
for (i = 0; i < pvar1->cabstr.cElems; i++)
{
if (pvar1->cabstr.pElems[i] != NULL &&
pvar2->cabstr.pElems[i] != NULL)
{
fSame = ( BSTRLEN(pvar1->cabstr.pElems[i])
==
BSTRLEN(pvar2->cabstr.pElems[i]) );
if (fSame)
{
fSame = memcmp(
pvar1->cabstr.pElems[i],
pvar2->cabstr.pElems[i],
BSTRLEN(pvar1->cabstr.pElems[i])) == 0;
}
}
else
{
fSame = pvar1->cabstr.pElems[i] == pvar2->cabstr.pElems[i];
}
if (!fSame)
{
break;
}
}
}
break;
case VT_VECTOR | VT_LPSTR:
fSame = ( pvar1->calpstr.cElems == pvar2->calpstr.cElems );
if (fSame)
{
for (i = 0; i < pvar1->calpstr.cElems; i++)
{
if (pvar1->calpstr.pElems[i] != NULL &&
pvar2->calpstr.pElems[i] != NULL)
{
fSame = strcmp(
pvar1->calpstr.pElems[i],
pvar2->calpstr.pElems[i]) == 0;
}
else
{
fSame = pvar1->calpstr.pElems[i] ==
pvar2->calpstr.pElems[i];
}
if (!fSame)
{
break;
}
}
}
break;
case VT_VECTOR | VT_LPWSTR:
fSame = ( pvar1->calpwstr.cElems == pvar2->calpwstr.cElems );
if (fSame)
{
for (i = 0; i < pvar1->calpwstr.cElems; i++)
{
if (pvar1->calpwstr.pElems[i] != NULL &&
pvar2->calpwstr.pElems[i] != NULL)
{
fSame = Prop_wcscmp(
pvar1->calpwstr.pElems[i],
pvar2->calpwstr.pElems[i]) == 0;
}
else
{
fSame = pvar1->calpwstr.pElems[i] ==
pvar2->calpwstr.pElems[i];
}
if (!fSame)
{
break;
}
}
}
break;
case VT_VECTOR | VT_VARIANT:
fSame = ( pvar1->capropvar.cElems == pvar2->capropvar.cElems );
if (fSame)
{
for (i = 0; i < pvar1->capropvar.cElems; i++)
{
fSame = PropTestCompareVariants(
CodePage,
&pvar1->capropvar.pElems[i],
&pvar2->capropvar.pElems[i]);
if (!fSame)
{
break;
}
}
}
break;
default:
PROPASSERT(!"Invalid type for PROPVARIANT Comparison");
fSame = FALSE;
break;
}
return(fSame);
}