620 lines
14 KiB
C++
620 lines
14 KiB
C++
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#include "precomp.h"
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#include <marsdev.h>
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//
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// Compare if two strings are equal.
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//
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BOOL StrEqlW(LPCWSTR psz1, LPCWSTR psz2)
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{
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while (*psz1 && *psz2 && *psz1 == *psz2)
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{
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psz1++;
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psz2++;
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}
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return (L'\0' == *psz1 && L'\0' == *psz2);
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}
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BOOL StrEqlA(LPCSTR psz1, LPCSTR psz2)
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{
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// bobn : I chose not to thunk to the wide version
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// for efficiency's sake.
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while (*psz1 && *psz2 && *psz1 == *psz2)
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{
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psz1++;
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psz2++;
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}
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return ('\0' == *psz1 && '\0' == *psz2);
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}
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int MapWCHARToInt(WCHAR c)
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{
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int nReturn;
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if ((L'0' <= c) && (L'9' >= c))
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nReturn = c - L'0';
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else if ((L'a' <= c) && (L'f' >= c))
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nReturn = c - L'a' + 10;
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else if ((L'A' <= c) && (L'F' >= c))
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nReturn = c - L'A' + 10;
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else
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{
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nReturn = 0;
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}
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return nReturn;
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}
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UINT64 HexStringToUINT64W(LPCWSTR lpwstr)
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{
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int start = 0;
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UINT64 iReturn = 0;
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// Read away leading 0's and x prefix
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while ((lpwstr[start]) &&
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((lpwstr[start] == L'0') || (lpwstr[start] == L'x') || (lpwstr[start] == L'X')))
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{
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start++;
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}
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// Only proceed if we have something to work with
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while (lpwstr[start])
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{
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// Shift the current value
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iReturn <<= 4;
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// Place next digit
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iReturn |= MapWCHARToInt(lpwstr[start++]);
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}
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return iReturn;
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}
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/*
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* VARENUM usage key,
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*
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* * [V] - may appear in a VARIANT
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* * [T] - may appear in a TYPEDESC
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* * [P] - may appear in an OLE property set
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* * [S] - may appear in a Safe Array
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*
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*
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* VT_EMPTY [V] [P] nothing
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* VT_NULL [V] [P] SQL style Null
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* VT_I2 [V][T][P][S] 2 byte signed int
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* VT_I4 [V][T][P][S] 4 byte signed int
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* VT_R4 [V][T][P][S] 4 byte real
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* VT_R8 [V][T][P][S] 8 byte real
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* VT_CY [V][T][P][S] currency
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* VT_DATE [V][T][P][S] date
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* VT_BSTR [V][T][P][S] OLE Automation string
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* VT_DISPATCH [V][T] [S] IDispatch *
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* VT_ERROR [V][T][P][S] SCODE
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* VT_BOOL [V][T][P][S] True=-1, False=0
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* VT_VARIANT [V][T][P][S] VARIANT *
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* VT_UNKNOWN [V][T] [S] IUnknown *
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* VT_DECIMAL [V][T] [S] 16 byte fixed point
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* VT_RECORD [V] [P][S] user defined type
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* VT_I1 [V][T][P][s] signed char
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* VT_UI1 [V][T][P][S] unsigned char
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* VT_UI2 [V][T][P][S] unsigned short
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* VT_UI4 [V][T][P][S] unsigned short
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* VT_I8 [T][P] signed 64-bit int
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* VT_UI8 [T][P] unsigned 64-bit int
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* VT_INT [V][T][P][S] signed machine int
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* VT_UINT [V][T] [S] unsigned machine int
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* VT_VOID [T] C style void
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* VT_HRESULT [T] Standard return type
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* VT_PTR [T] pointer type
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* VT_SAFEARRAY [T] (use VT_ARRAY in VARIANT)
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* VT_CARRAY [T] C style array
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* VT_USERDEFINED [T] user defined type
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* VT_LPSTR [T][P] null terminated string
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* VT_LPWSTR [T][P] wide null terminated string
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* VT_FILETIME [P] FILETIME
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* VT_BLOB [P] Length prefixed bytes
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* VT_STREAM [P] Name of the stream follows
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* VT_STORAGE [P] Name of the storage follows
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* VT_STREAMED_OBJECT [P] Stream contains an object
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* VT_STORED_OBJECT [P] Storage contains an object
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* VT_VERSIONED_STREAM [P] Stream with a GUID version
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* VT_BLOB_OBJECT [P] Blob contains an object
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* VT_CF [P] Clipboard format
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* VT_CLSID [P] A Class ID
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* VT_VECTOR [P] simple counted array
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* VT_ARRAY [V] SAFEARRAY*
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* VT_BYREF [V] void* for local use
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* VT_BSTR_BLOB Reserved for system use
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*/
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BOOL IsValidVariant(VARIANT var)
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{
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BOOL fRet;
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if(!(var.vt & VT_BYREF))
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{
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switch(var.vt)
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{
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//
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// Types that can have any value.
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//
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case VT_EMPTY:
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case VT_NULL:
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case VT_I2:
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case VT_I4:
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case VT_R4:
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case VT_R8:
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case VT_CY:
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case VT_DATE:
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case VT_ERROR:
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case VT_DECIMAL:
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case VT_RECORD:
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case VT_I1:
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case VT_UI1:
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case VT_UI2:
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case VT_UI4:
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case VT_INT:
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case VT_UINT:
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fRet = TRUE;
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break;
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case VT_BOOL:
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fRet = IsValidVariantBoolVal(var.boolVal);
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break;
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case VT_BSTR:
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fRet = (NULL == var.bstrVal) || IsValidBstr(var.bstrVal);
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break;
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case VT_DISPATCH:
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fRet = IsValidInterfacePtr(var.pdispVal);
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break;
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case VT_UNKNOWN:
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fRet = IsValidInterfacePtr(var.punkVal);
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break;
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case VT_ARRAY:
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fRet = IsValidReadPtr(var.parray);
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break;
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default:
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fRet = FALSE;
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break;
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}
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}
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else
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{
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// VT_BYREF
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switch(var.vt & ~VT_BYREF)
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{
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case 0: // void*
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fRet = var.byref != NULL;
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break;
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case VT_I2:
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fRet = IsValidReadPtr(var.piVal);
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break;
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case VT_I4:
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fRet = IsValidReadPtr(var.plVal);
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break;
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case VT_R4:
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fRet = IsValidReadPtr(var.pfltVal);
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break;
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case VT_R8:
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fRet = IsValidReadPtr(var.pdblVal);
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break;
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case VT_CY:
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fRet = IsValidReadPtr(var.pcyVal);
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break;
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case VT_DATE:
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fRet = IsValidReadPtr(var.pdate);
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break;
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case VT_ERROR:
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fRet = IsValidReadPtr(var.pscode);
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break;
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case VT_DECIMAL:
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fRet = IsValidReadPtr(var.pdecVal);
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break;
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case VT_I1:
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fRet = IsValidReadPtr(var.pbVal);
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break;
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case VT_UI1:
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fRet = IsValidReadPtr(var.pcVal);
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break;
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case VT_UI2:
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fRet = IsValidReadPtr(var.puiVal);
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break;
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case VT_UI4:
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fRet = IsValidReadPtr(var.pulVal);
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break;
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case VT_INT:
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fRet = IsValidReadPtr(var.pintVal);
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break;
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case VT_UINT:
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fRet = IsValidReadPtr(var.puintVal);
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break;
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case VT_BOOL:
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fRet = IsValidReadPtr(var.pboolVal);
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break;
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case VT_BSTR:
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fRet = IsValidReadPtr(var.pbstrVal);
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break;
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case VT_DISPATCH:
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fRet = IsValidReadPtr(var.ppdispVal);
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break;
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case VT_VARIANT:
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fRet = IsValidReadPtr(var.pvarVal);
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break;
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case VT_UNKNOWN:
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fRet = IsValidReadPtr(var.ppunkVal);
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break;
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case VT_ARRAY:
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fRet = IsValidReadPtr(var.pparray);
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break;
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default:
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fRet = FALSE;
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break;
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}
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}
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return fRet;
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}
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BOOL IsValidStringPtrBuffer(LPOLESTR* ppStr, UINT n)
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{
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BOOL fRet;
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fRet = IsValidReadBuffer(ppStr, n);
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if (fRet)
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{
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for (UINT i = 0; i < n && fRet; i++)
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{
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fRet = IsValidStringW(ppStr[i]);
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}
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}
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return fRet;
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}
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//
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// API parameter validation helpers. Use these on public APIs. If a parameter
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// is bad on debug build a RIP message will be generated.
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//
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#ifdef DEBUG
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#undef API_IsValidReadPtr
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BOOL API_IsValidReadPtr(void* ptr, UINT cbSize)
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{
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BOOL fRet;
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if (!IsBadReadPtr(ptr, cbSize))
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{
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fRet = TRUE;
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}
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else
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{
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fRet = FALSE;
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}
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return fRet;
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}
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#undef API_IsValidWritePtr
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BOOL API_IsValidWritePtr(void* ptr, UINT cbSize)
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{
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BOOL fRet;
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if (!IsBadWritePtr(ptr, cbSize))
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{
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fRet = TRUE;
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}
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else
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{
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//WCHAR szFunc[MAX_PATH];
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//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
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//
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//RipMsg(L"(%s) Passed a bad write pointer 0x%08lx", szFunc, ptr);
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fRet = FALSE;
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}
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return fRet;
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}
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BOOL API_IsValidStringW(LPCWSTR psz)
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{
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BOOL fRet;
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if (IsValidString(psz))
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{
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fRet = TRUE;
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}
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else
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{
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//WCHAR szFunc[MAX_PATH];
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//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
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//
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//RipMsg(L"(%s) Passed a bad string pointer 0x%08lx", szFunc, psz);
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fRet = FALSE;
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}
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return fRet;
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}
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#undef API_IsValidReadBuffer
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BOOL API_IsValidReadBuffer(void* ptr, UINT cbSize, UINT n)
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{
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BOOL fRet;
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if (!IsBadWritePtr(ptr, cbSize * n))
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{
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fRet = TRUE;
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}
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else
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{
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//WCHAR szFunc[MAX_PATH];
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//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
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//
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//RipMsg(L"(%s) Passed a bad read buffer 0x%08lx size %d",
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// szFunc, ptr, n);
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fRet = FALSE;
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}
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return fRet;
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}
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#undef API_IsValidWriteBuffer
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BOOL API_IsValidWriteBuffer(void* ptr, UINT cbSize, UINT n)
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{
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BOOL fRet;
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if (!IsBadWritePtr(ptr, cbSize * n))
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{
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fRet = TRUE;
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}
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else
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{
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//WCHAR szFunc[MAX_PATH];
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//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
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//
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//RipMsg(L"(%s) Passed a bad write buffer 0x%08lx size %d",
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// szFunc, ptr, n);
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fRet = FALSE;
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|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidInterfacePtr(IUnknown* punk)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidInterfacePtr(punk))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad interface pointer 0x%08lx", szFunc, punk);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidFunctionPtr(void *pfunc)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidFunctionPtr(pfunc))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad function pointer 0x%08lx", szFunc, pfunc);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidVariant(VARIANT var)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidVariant(var))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad variant ", szFunc);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidVariantI4(VARIANT var)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidVariantI4(var))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad variant (should be of type I4)", szFunc);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidVariantBstr(VARIANT var)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidVariantBstr(var))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad variant (should be of type VT_BSTR)", szFunc);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidBstr(BSTR bstr)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidBstr(bstr))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad BSTR", szFunc);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidOptionalBstr(BSTR bstr)
|
||
|
|
{
|
||
|
|
return (!bstr || API_IsValidBstr(bstr));
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidFlag(DWORD f, DWORD fAll)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidFlag(f, fAll))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed bad flags %d (valid flags = %d)", szFunc, f, fAll);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL API_IsValidStringPtrBufferW(LPOLESTR* ppStr, UINT n)
|
||
|
|
{
|
||
|
|
BOOL fRet;
|
||
|
|
|
||
|
|
if (IsValidStringPtrBuffer(ppStr, n))
|
||
|
|
{
|
||
|
|
fRet = TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//WCHAR szFunc[MAX_PATH];
|
||
|
|
//GetFunctionName(1, szFunc, ARRAYSIZE(szFunc));
|
||
|
|
//
|
||
|
|
//RipMsg(L"(%s) Passed a bad array of string pointers", szFunc);
|
||
|
|
fRet = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
// SanitizeResult
|
||
|
|
//
|
||
|
|
// OM methods called from script get sanitized results (ie S_FALSE rather than
|
||
|
|
// E_FAIL), which suppresses script errors while allowing C-code calling OM
|
||
|
|
// methods to get "normal" (unsanitized) HRESULTs.
|
||
|
|
//
|
||
|
|
HRESULT SanitizeResult(HRESULT hr)
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// HACK:
|
||
|
|
// Let DISP_E_MEMBERNOTFOUND go through -- this is because
|
||
|
|
// behaviors use this IDispatchImpl and trident depends on this
|
||
|
|
// HRESULT not being S_FALSE
|
||
|
|
//
|
||
|
|
|
||
|
|
if (FAILED(hr) && (hr != DISP_E_MEMBERNOTFOUND))
|
||
|
|
{
|
||
|
|
hr = S_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
//
|
||
|
|
// Retail version of new and delete. New zero inits memory.
|
||
|
|
//
|
||
|
|
|
||
|
|
void* __cdecl operator new(size_t cbSize)
|
||
|
|
{
|
||
|
|
return (void*)LocalAlloc(LPTR, cbSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
void __cdecl operator delete(void *pv)
|
||
|
|
{
|
||
|
|
if (pv)
|
||
|
|
LocalFree((HLOCAL)pv);
|
||
|
|
}
|