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170 lines
5.1 KiB
170 lines
5.1 KiB
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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pathutils.h
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Abstract:
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Contains prototypes for functions from ntdll
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on XP that are not available on W2K.
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History:
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09/10/2001 rparsons Created
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--*/
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#ifndef _RTLUTILS_H_
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#define _RTLUTILS_H_
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#include "ShimHook.h"
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namespace ShimLib
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{
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PVOID
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ShimAllocateStringRoutine(
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SIZE_T NumberOfBytes
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);
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VOID
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ShimFreeStringRoutine(
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PVOID Buffer
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);
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const PRTL_ALLOCATE_STRING_ROUTINE RtlAllocateStringRoutine = ShimAllocateStringRoutine;
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const PRTL_FREE_STRING_ROUTINE RtlFreeStringRoutine = ShimFreeStringRoutine;
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RTL_PATH_TYPE
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NTAPI
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ShimDetermineDosPathNameType_Ustr(
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IN PCUNICODE_STRING String
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);
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NTSTATUS
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NTAPI
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ShimNtPathNameToDosPathName(
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IN ULONG Flags,
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IN OUT PRTL_UNICODE_STRING_BUFFER Path,
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OUT ULONG* Disposition OPTIONAL,
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IN OUT PWSTR* FilePart OPTIONAL
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);
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NTSTATUS
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ShimDuplicateUnicodeString(
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ULONG Flags,
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PCUNICODE_STRING StringIn,
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PUNICODE_STRING StringOut
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);
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NTSTATUS
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NTAPI
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ShimpEnsureBufferSize(
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IN ULONG Flags,
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IN OUT PRTL_BUFFER Buffer,
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IN SIZE_T Size
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);
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NTSTATUS
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ShimValidateUnicodeString(
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ULONG Flags,
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const UNICODE_STRING *String
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);
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//
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// Taken from %SDXROOT%\public\sdk\inc\NtRtlStringAndBuffer.h
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//
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#define ShimEnsureBufferSize(Flags, Buff, NewSizeBytes) \
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( ((Buff) != NULL && (NewSizeBytes) <= (Buff)->Size) \
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? STATUS_SUCCESS \
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: ShimpEnsureBufferSize((Flags), (Buff), (NewSizeBytes)) \
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)
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#define ShimEnsureUnicodeStringBufferSizeBytes(Buff_, NewSizeBytes_) \
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( ( ((NewSizeBytes_) + sizeof((Buff_)->String.Buffer[0])) > UNICODE_STRING_MAX_BYTES ) \
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? STATUS_NAME_TOO_LONG \
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: !NT_SUCCESS(ShimEnsureBufferSize(0, &(Buff_)->ByteBuffer, ((NewSizeBytes_) + sizeof((Buff_)->String.Buffer[0])))) \
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? STATUS_NO_MEMORY \
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: (RtlSyncStringToBuffer(Buff_)) \
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)
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#define ShimEnsureUnicodeStringBufferSizeChars(Buff_, NewSizeChars_) \
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(ShimEnsureUnicodeStringBufferSizeBytes((Buff_), (NewSizeChars_) * sizeof((Buff_)->String.Buffer[0])))
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//
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// Taken from %SDXROOT%\public\sdk\inc\NtRtlStringAndBuffer.h
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//
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//++
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//
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// NTSTATUS
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// RtlAppendUnicodeStringBuffer(
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// OUT PRTL_UNICODE_STRING_BUFFER Destination,
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// IN PCUNICODE_STRING Source
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// );
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//
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// Routine Description:
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//
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//
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// Arguments:
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//
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// Destination -
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// Source -
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//
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// Return Value:
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//
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// STATUS_SUCCESS
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// STATUS_NO_MEMORY
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// STATUS_NAME_TOO_LONG (64K UNICODE_STRING length would be exceeded)
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//
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//--
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#define ShimAppendUnicodeStringBuffer(Dest, Source) \
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( ( ( (Dest)->String.Length + (Source)->Length + sizeof((Dest)->String.Buffer[0]) ) > UNICODE_STRING_MAX_BYTES ) \
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? STATUS_NAME_TOO_LONG \
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: (!NT_SUCCESS( \
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ShimEnsureBufferSize( \
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0, \
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&(Dest)->ByteBuffer, \
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(Dest)->String.Length + (Source)->Length + sizeof((Dest)->String.Buffer[0]) ) ) \
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? STATUS_NO_MEMORY \
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: ( ( (Dest)->String.Buffer = (PWSTR)(Dest)->ByteBuffer.Buffer ), \
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( RtlMoveMemory( \
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(Dest)->String.Buffer + (Dest)->String.Length / sizeof((Dest)->String.Buffer[0]), \
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(Source)->Buffer, \
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(Source)->Length) ), \
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( (Dest)->String.MaximumLength = (RTL_STRING_LENGTH_TYPE)((Dest)->String.Length + (Source)->Length + sizeof((Dest)->String.Buffer[0]))), \
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( (Dest)->String.Length += (Source)->Length ), \
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( (Dest)->String.Buffer[(Dest)->String.Length / sizeof((Dest)->String.Buffer[0])] = 0 ), \
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( STATUS_SUCCESS ) ) ) )
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//
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// Taken from %SDXROOT%\public\sdk\inc\NtRtlStringAndBuffer.h
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//
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//++
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//
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// NTSTATUS
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// RtlAssignUnicodeStringBuffer(
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// IN OUT PRTL_UNICODE_STRING_BUFFER Buffer,
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// PCUNICODE_STRING String
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// );
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// Routine Description:
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//
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// Arguments:
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//
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// Buffer -
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// String -
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//
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// Return Value:
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//
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// STATUS_SUCCESS
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// STATUS_NO_MEMORY
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//--
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#define ShimAssignUnicodeStringBuffer(Buff, Str) \
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(((Buff)->String.Length = 0), (ShimAppendUnicodeStringBuffer((Buff), (Str))))
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}; // end of namespace ShimLib
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#endif // _RTLUTILS_H_
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