#include "ldr.h"
#include "kd.h"
#include "ex.h"
-#include "xhal.h"
-#include "v86m.h"
-#include "fs.h"
-#include "port.h"
-#include "nls.h"
+#include "fsrtl.h"
+#include "lpc.h"
+#include "rtl.h"
#ifdef KDBG
#include "../kdbg/kdb.h"
#endif
IN OUT PUNICODE_STRING UniDest,
IN PCWSTR Source,
IN POOL_TYPE PoolType);
-
-NTSTATUS
-RtlCaptureUnicodeString(
- OUT PUNICODE_STRING Dest,
- IN KPROCESSOR_MODE CurrentMode,
- IN POOL_TYPE PoolType,
- IN BOOLEAN CaptureIfKernel,
- IN PUNICODE_STRING UnsafeSrc
-);
VOID
-RtlReleaseCapturedUnicodeString(
- IN PUNICODE_STRING CapturedString,
- IN KPROCESSOR_MODE CurrentMode,
- IN BOOLEAN CaptureIfKernel
-);
+NTAPI
+RtlpLogException(IN PEXCEPTION_RECORD ExceptionRecord,
+ IN PCONTEXT ContextRecord,
+ IN PVOID ContextData,
+ IN ULONG Size);
+
+#define ExRaiseStatus RtlRaiseStatus
/*
* Inlined Probing Macros
- *
+ */
+static __inline
+NTSTATUS
+NTAPI
+ProbeAndCaptureUnicodeString(OUT PUNICODE_STRING Dest,
+ KPROCESSOR_MODE CurrentMode,
+ IN PUNICODE_STRING UnsafeSrc)
+{
+ NTSTATUS Status = STATUS_SUCCESS;
+ PVOID Buffer;
+ ASSERT(Dest != NULL);
+
+ /* Probe the structure and buffer*/
+ if(CurrentMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ ProbeForRead(UnsafeSrc,
+ sizeof(UNICODE_STRING),
+ sizeof(ULONG));
+ *Dest = *UnsafeSrc;
+ if(Dest->Length > 0)
+ {
+ ProbeForRead(Dest->Buffer,
+ Dest->Length,
+ sizeof(WCHAR));
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+
+ if (!NT_SUCCESS(Status)) return Status;
+ }
+ else
+ {
+ /* Just copy it directly */
+ *Dest = *UnsafeSrc;
+ }
+
+ /* Allocate space for the buffer */
+ Buffer = ExAllocatePool(PagedPool, Dest->MaximumLength);
+
+ if (Buffer != NULL)
+ {
+ /* Copy it */
+ RtlCopyMemory(Buffer, Dest->Buffer, Dest->MaximumLength);
+
+ /* Set it as the buffer */
+ Dest->Buffer = Buffer;
+ }
+ else
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+
+ /* Return */
+ return Status;
+}
+
+static __inline
+VOID
+NTAPI
+ReleaseCapturedUnicodeString(IN PUNICODE_STRING CapturedString,
+ KPROCESSOR_MODE CurrentMode)
+{
+ if(CurrentMode != KernelMode) ExFreePool(CapturedString->Buffer);
+}
+
+/*
* NOTE: Alignment of the pointers is not verified!
*/
#define ProbeForWriteGenericType(Ptr, Type) \
do { \
if ((ULONG_PTR)(Ptr) + sizeof(Type) - 1 < (ULONG_PTR)(Ptr) || \
(ULONG_PTR)(Ptr) + sizeof(Type) - 1 >= (ULONG_PTR)MmUserProbeAddress) { \
- ExRaiseStatus (STATUS_ACCESS_VIOLATION); \
+ RtlRaiseStatus (STATUS_ACCESS_VIOLATION); \
} \
*(volatile Type *)(Ptr) = *(volatile Type *)(Ptr); \
} while (0)
#define ProbeForReadLargeInteger(Ptr) ((LARGE_INTEGER)ProbeForReadGenericType(&(Ptr)->QuadPart, LONGLONG, 0))
#define ProbeForReadUlargeInteger(Ptr) ((ULARGE_INTEGER)ProbeForReadGenericType(&(Ptr)->QuadPart, ULONGLONG, 0))
+/*
+ * generic information class probing code
+ */
+
+#define ICIF_QUERY 0x1
+#define ICIF_SET 0x2
+#define ICIF_QUERY_SIZE_VARIABLE 0x4
+#define ICIF_SET_SIZE_VARIABLE 0x8
+#define ICIF_SIZE_VARIABLE (ICIF_QUERY_SIZE_VARIABLE | ICIF_SET_SIZE_VARIABLE)
+
+typedef struct _INFORMATION_CLASS_INFO
+{
+ ULONG RequiredSizeQUERY;
+ ULONG RequiredSizeSET;
+ ULONG AlignmentSET;
+ ULONG AlignmentQUERY;
+ ULONG Flags;
+} INFORMATION_CLASS_INFO, *PINFORMATION_CLASS_INFO;
+
+#define ICI_SQ_SAME(Size, Alignment, Flags) \
+ { Size, Size, Alignment, Alignment, Flags }
+
+#define ICI_SQ(SizeQuery, SizeSet, AlignmentQuery, AlignmentSet, Flags) \
+ { SizeQuery, SizeSet, AlignmentQuery, AlignmentSet, Flags }
+
+static inline NTSTATUS
+DefaultSetInfoBufferCheck(UINT Class,
+ const INFORMATION_CLASS_INFO *ClassList,
+ UINT ClassListEntries,
+ PVOID Buffer,
+ ULONG BufferLength,
+ KPROCESSOR_MODE PreviousMode)
+{
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ if (Class >= 0 && Class < ClassListEntries)
+ {
+ if (!(ClassList[Class].Flags & ICIF_SET))
+ {
+ Status = STATUS_INVALID_INFO_CLASS;
+ }
+ else if (ClassList[Class].RequiredSizeSET > 0 &&
+ BufferLength != ClassList[Class].RequiredSizeSET)
+ {
+ if (!(ClassList[Class].Flags & ICIF_SET_SIZE_VARIABLE))
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ }
+ }
+
+ if (NT_SUCCESS(Status))
+ {
+ if (PreviousMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ ProbeForRead(Buffer,
+ BufferLength,
+ ClassList[Class].AlignmentSET);
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
+ }
+ }
+ else
+ Status = STATUS_INVALID_INFO_CLASS;
+
+ return Status;
+}
+
+static inline NTSTATUS
+DefaultQueryInfoBufferCheck(UINT Class,
+ const INFORMATION_CLASS_INFO *ClassList,
+ UINT ClassListEntries,
+ PVOID Buffer,
+ ULONG BufferLength,
+ PULONG ReturnLength,
+ KPROCESSOR_MODE PreviousMode)
+{
+ NTSTATUS Status = STATUS_SUCCESS;
+
+ if (Class >= 0 && Class < ClassListEntries)
+ {
+ if (!(ClassList[Class].Flags & ICIF_QUERY))
+ {
+ Status = STATUS_INVALID_INFO_CLASS;
+ }
+ else if (ClassList[Class].RequiredSizeQUERY > 0 &&
+ BufferLength != ClassList[Class].RequiredSizeQUERY)
+ {
+ if (!(ClassList[Class].Flags & ICIF_QUERY_SIZE_VARIABLE))
+ {
+ Status = STATUS_INFO_LENGTH_MISMATCH;
+ }
+ }
+
+ if (NT_SUCCESS(Status))
+ {
+ if (PreviousMode != KernelMode)
+ {
+ _SEH_TRY
+ {
+ if (Buffer != NULL)
+ {
+ ProbeForWrite(Buffer,
+ BufferLength,
+ ClassList[Class].AlignmentQUERY);
+ }
+
+ if (ReturnLength != NULL)
+ {
+ ProbeForWriteUlong(ReturnLength);
+ }
+ }
+ _SEH_HANDLE
+ {
+ Status = _SEH_GetExceptionCode();
+ }
+ _SEH_END;
+ }
+ }
+ }
+ else
+ Status = STATUS_INVALID_INFO_CLASS;
+
+ return Status;
+}
+
+/*
+ * Use IsPointerOffset to test whether a pointer should be interpreted as an offset
+ * or as a pointer
+ */
+#if defined(_X86_) || defined(_M_AMD64)
+
+/* for x86 and x86-64 the MSB is 1 so we can simply test on that */
+#define IsPointerOffset(Ptr) ((LONG_PTR)(Ptr) >= 0)
+
+#elif defined(_IA64_)
+
+/* on Itanium if the 24 most significant bits are set, we're not dealing with
+ offsets anymore. */
+#define IsPointerOffset(Ptr) (((ULONG_PTR)(Ptr) & 0xFFFFFF0000000000ULL) == 0)
+
+#else
+#error IsPointerOffset() needs to be defined for this architecture
+#endif
#endif
/*
projects / reactos.git / blobdiff