static const UNICODE_STRING __emptyUnicodeString = {0};
static const LARGE_INTEGER __emptyLargeInteger = {{0, 0}};
static const ULARGE_INTEGER __emptyULargeInteger = {{0, 0}};
+static const IO_STATUS_BLOCK __emptyIoStatusBlock = {{0}, 0};
#if defined(_WIN32K_)
/*
#define ProbeForWriteInt(Ptr) ProbeForWriteGenericType(Ptr, INT)
#define ProbeForWriteUlonglong(Ptr) ProbeForWriteGenericType(Ptr, ULONGLONG)
#define ProbeForWriteLonglong(Ptr) ProbeForWriteGenericType(Ptr, LONGLONG)
-#define ProbeForWriteLonglong(Ptr) ProbeForWriteGenericType(Ptr, LONGLONG)
#define ProbeForWritePointer(Ptr) ProbeForWriteGenericType(Ptr, PVOID)
#define ProbeForWriteHandle(Ptr) ProbeForWriteGenericType(Ptr, HANDLE)
#define ProbeForWriteLangid(Ptr) ProbeForWriteGenericType(Ptr, LANGID)
#define ProbeForWriteSize_t(Ptr) ProbeForWriteGenericType(Ptr, SIZE_T)
-#define ProbeForWriteLargeInteger(Ptr) ProbeForWriteGenericType(&(Ptr)->QuadPart, LONGLONG)
-#define ProbeForWriteUlargeInteger(Ptr) ProbeForWriteGenericType(&(Ptr)->QuadPart, ULONGLONG)
-#define ProbeForWriteUnicodeString(Ptr) ProbeForWriteGenericType(Ptr, UNICODE_STRING)
+#define ProbeForWriteLargeInteger(Ptr) ProbeForWriteGenericType(&((PLARGE_INTEGER)Ptr)->QuadPart, LONGLONG)
+#define ProbeForWriteUlargeInteger(Ptr) ProbeForWriteGenericType(&((PULARGE_INTEGER)Ptr)->QuadPart, ULONGLONG)
+#define ProbeForWriteUnicodeString(Ptr) ProbeForWriteGenericType((PUNICODE_STRING)Ptr, UNICODE_STRING)
+#define ProbeForWriteIoStatusBlock(Ptr) ProbeForWriteGenericType((PIO_STATUS_BLOCK)Ptr, IO_STATUS_BLOCK)
#define ProbeForReadGenericType(Ptr, Type, Default) \
(((ULONG_PTR)(Ptr) + sizeof(Type) - 1 < (ULONG_PTR)(Ptr) || \
(ULONG_PTR)(Ptr) + sizeof(Type) - 1 >= (ULONG_PTR)MmUserProbeAddress) ? \
ExRaiseStatus (STATUS_ACCESS_VIOLATION), Default : \
- *(Type *)(Ptr))
+ *(const volatile Type *)(Ptr))
#define ProbeForReadBoolean(Ptr) ProbeForReadGenericType(Ptr, BOOLEAN, FALSE)
#define ProbeForReadUchar(Ptr) ProbeForReadGenericType(Ptr, UCHAR, 0)
#define ProbeForReadHandle(Ptr) ProbeForReadGenericType(Ptr, HANDLE, NULL)
#define ProbeForReadLangid(Ptr) ProbeForReadGenericType(Ptr, LANGID, 0)
#define ProbeForReadSize_t(Ptr) ProbeForReadGenericType(Ptr, SIZE_T, 0)
-#define ProbeForReadLargeInteger(Ptr) ProbeForReadGenericType(Ptr, LARGE_INTEGER, __emptyLargeInteger)
-#define ProbeForReadUlargeInteger(Ptr) ProbeForReadGenericType(Ptr, ULARGE_INTEGER, __emptyULargeInteger)
-#define ProbeForReadUnicodeString(Ptr) ProbeForReadGenericType(Ptr, UNICODE_STRING, __emptyUnicodeString)
+#define ProbeForReadLargeInteger(Ptr) ProbeForReadGenericType((const LARGE_INTEGER *)(Ptr), LARGE_INTEGER, __emptyLargeInteger)
+#define ProbeForReadUlargeInteger(Ptr) ProbeForReadGenericType((const ULARGE_INTEGER *)(Ptr), ULARGE_INTEGER, __emptyULargeInteger)
+#define ProbeForReadUnicodeString(Ptr) ProbeForReadGenericType((const UNICODE_STRING *)(Ptr), UNICODE_STRING, __emptyUnicodeString)
+#define ProbeForReadIoStatusBlock(Ptr) ProbeForReadGenericType((const IO_STATUS_BLOCK *)(Ptr), IO_STATUS_BLOCK, __emptyIoStatusBlock)
#define ProbeAndZeroHandle(Ptr) \
do { \
/*
* Inlined Probing Macros
*/
+
+#if defined(_WIN32K_)
+static __inline
+VOID
+NTAPI
+ProbeArrayForRead(IN const VOID *ArrayPtr,
+ IN ULONG ItemSize,
+ IN ULONG ItemCount,
+ IN ULONG Alignment)
+{
+ ULONG ArraySize;
+
+ /* Check for integer overflow */
+ ArraySize = ItemSize * ItemCount;
+ if (ArraySize / ItemSize != ItemCount)
+ {
+ RtlRaiseStatus (STATUS_INVALID_PARAMETER);
+ }
+
+ /* Probe the array */
+ ProbeForRead(ArrayPtr,
+ ArraySize,
+ Alignment);
+}
+
+static __inline
+VOID
+NTAPI
+ProbeArrayForWrite(IN OUT PVOID ArrayPtr,
+ IN ULONG ItemSize,
+ IN ULONG ItemCount,
+ IN ULONG Alignment)
+{
+ ULONG ArraySize;
+
+ /* Check for integer overflow */
+ ArraySize = ItemSize * ItemCount;
+ if (ArraySize / ItemSize != ItemCount)
+ {
+ RtlRaiseStatus (STATUS_INVALID_PARAMETER);
+ }
+
+ /* Probe the array */
+ ProbeForWrite(ArrayPtr,
+ ArraySize,
+ Alignment);
+}
+#endif /* _WIN32K_ */
+
static __inline
NTSTATUS
NTAPI
ProbeAndCaptureUnicodeString(OUT PUNICODE_STRING Dest,
IN KPROCESSOR_MODE CurrentMode,
- IN PUNICODE_STRING UnsafeSrc)
+ IN const UNICODE_STRING *UnsafeSrc)
{
NTSTATUS Status = STATUS_SUCCESS;
WCHAR *Buffer = NULL;