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RtlQueryRegistryValues():
* Fixed a bug which returned malformed Unicode strings. * Removed an unnecessary limitation. svn path=/trunk/; revision=5570
This commit is contained in:
Eric Kohl
parent
2b3c1f4b49
commit
d535f217c0
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@ -1,4 +1,4 @@
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/* $Id: registry.c,v 1.22 2003/07/11 23:58:45 ekohl Exp $
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/* $Id: registry.c,v 1.23 2003/08/14 14:52:13 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -206,15 +206,6 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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while ((QueryEntry->QueryRoutine != NULL) ||
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(QueryEntry->Name != NULL))
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{
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if ((QueryEntry->QueryRoutine == NULL) &&
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((QueryEntry->Flags & RTL_QUERY_REGISTRY_SUBKEY) != 0))
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{
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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DPRINT("Name: %S\n", QueryEntry->Name);
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if (((QueryEntry->Flags & (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY)) != 0) &&
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(BaseKeyHandle != CurrentKeyHandle))
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{
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@ -278,7 +269,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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SourceString = (PUNICODE_STRING)QueryEntry->DefaultData;
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ValueString = (PUNICODE_STRING)QueryEntry->EntryContext;
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if (ValueString->Buffer == 0)
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if (ValueString->Buffer == NULL)
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{
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ValueString->Length = SourceString->Length;
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ValueString->MaximumLength = SourceString->MaximumLength;
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@ -321,7 +312,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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ValueString = (PUNICODE_STRING)QueryEntry->EntryContext;
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if (ValueString->Buffer == NULL)
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{
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ValueString->MaximumLength = ValueInfo->DataLength + sizeof(WCHAR);
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ValueString->MaximumLength = ValueInfo->DataLength;
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ValueString->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
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0,
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ValueString->MaximumLength);
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@ -333,7 +324,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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ValueString->Buffer[0] = 0;
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}
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ValueString->Length = min(ValueInfo->DataLength,
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ValueString->MaximumLength - sizeof(WCHAR));
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ValueString->MaximumLength) - sizeof(WCHAR);
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memcpy(ValueString->Buffer,
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ValueInfo->Data,
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ValueString->Length);
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@ -8,9 +8,6 @@
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/* INCLUDES *****************************************************************/
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#ifdef WIN32_REGDBG
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#include "cm_win32.h"
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#else
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#include <ddk/ntddk.h>
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#include <roscfg.h>
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#include <internal/ob.h>
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@ -23,7 +20,6 @@
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#include <internal/debug.h>
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#include "cm.h"
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#endif
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/* FUNCTIONS ****************************************************************/
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@ -166,10 +162,6 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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PWSTR StringPtr;
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DPRINT("RtlQueryRegistryValues() called\n");
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#ifdef WIN32_REGDBG
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BaseKeyHandle = NULL;
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CurrentKeyHandle = NULL;
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#endif
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Status = RtlpGetRegistryHandle(RelativeTo,
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(PWSTR) Path,
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@ -186,48 +178,6 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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while ((QueryEntry->QueryRoutine != NULL) ||
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(QueryEntry->Name != NULL))
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{
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/* TODO: (from RobD)
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packet.sys has this code which calls this (and fails here) with:
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RtlZeroMemory(ParamTable, sizeof(ParamTable));
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//
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// change to the linkage key
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//
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ParamTable[0].QueryRoutine = NULL; // NOTE: QueryRoutine is set to NULL
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ParamTable[0].Flags = RTL_QUERY_REGISTRY_SUBKEY;
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ParamTable[0].Name = L"Linkage";
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//
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// Get the name of the mac driver we should bind to
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//
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ParamTable[1].QueryRoutine = PacketQueryRegistryRoutine;
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ParamTable[1].Flags = RTL_QUERY_REGISTRY_REQUIRED | RTL_QUERY_REGISTRY_NOEXPAND;
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ParamTable[1].Name = L"Bind";
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ParamTable[1].EntryContext = (PVOID)MacDriverName;
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ParamTable[1].DefaultType = REG_MULTI_SZ;
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Status = RtlQueryRegistryValues(
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IN ULONG RelativeTo = RTL_REGISTRY_ABSOLUTE,
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IN PWSTR Path = Path,
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IN PRTL_QUERY_REGISTRY_TABLE QueryTable = ParamTable,
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IN PVOID Context = NULL,
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IN PVOID Environment = NULL);
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*/
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//CSH: Was:
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//if ((QueryEntry->QueryRoutine == NULL) &&
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// ((QueryEntry->Flags & (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_DIRECT)) != 0))
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// Which is more correct?
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if ((QueryEntry->QueryRoutine == NULL) &&
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((QueryEntry->Flags & RTL_QUERY_REGISTRY_SUBKEY) != 0))
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{
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DPRINT("Bad parameters\n");
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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DPRINT("Name: %S\n", QueryEntry->Name);
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if (((QueryEntry->Flags & (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY)) != 0) &&
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(BaseKeyHandle != CurrentKeyHandle))
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{
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@ -266,9 +216,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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Status = STATUS_NO_MEMORY;
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break;
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}
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#ifdef WIN32_REGDBG
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memset(ValueInfo, 0, BufferSize);
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#endif
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Status = ZwQueryValueKey(CurrentKeyHandle,
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&KeyName,
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KeyValuePartialInformation,
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@ -335,7 +283,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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{
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RtlInitUnicodeString(ValueString,
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NULL);
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ValueString->MaximumLength = ValueInfo->DataLength + sizeof(WCHAR); //256 * sizeof(WCHAR);
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ValueString->MaximumLength = ValueInfo->DataLength;
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ValueString->Buffer = ExAllocatePool(PagedPool,
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ValueString->MaximumLength);
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if (!ValueString->Buffer)
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@ -343,7 +291,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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ValueString->Buffer[0] = 0;
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}
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ValueString->Length = RtlMin(ValueInfo->DataLength,
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ValueString->MaximumLength - sizeof(WCHAR));
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ValueString->MaximumLength) - sizeof(WCHAR);
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memcpy(ValueString->Buffer,
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ValueInfo->Data,
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ValueString->Length);
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@ -493,11 +441,8 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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!(QueryEntry->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
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{
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DPRINT("Expand REG_MULTI_SZ type\n");
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#ifdef WIN32_REGDBG
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StringPtr = (PWSTR)(FullValueInfo + FullValueInfo->DataOffset);
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#else
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StringPtr = (PWSTR)((PVOID)FullValueInfo + FullValueInfo->DataOffset);
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#endif
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while (*StringPtr != 0)
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{
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StringLen = (wcslen(StringPtr) + 1) * sizeof(WCHAR);
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@ -516,11 +461,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
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{
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Status = QueryEntry->QueryRoutine(FullValueInfo->Name,
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FullValueInfo->Type,
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#ifdef WIN32_REGDBG
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FullValueInfo + FullValueInfo->DataOffset,
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#else
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(PVOID)FullValueInfo + FullValueInfo->DataOffset,
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#endif
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FullValueInfo->DataLength,
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Context,
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QueryEntry->EntryContext);
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@ -551,7 +492,7 @@ ByeBye:
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NtClose(BaseKeyHandle);
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return(Status);
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return Status;
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}
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@ -727,60 +668,60 @@ RtlpCreateRegistryKeyPath(PWSTR Path)
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if (_wcsnicmp(Path, L"\\Registry\\", 10) != 0)
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{
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return(STATUS_INVALID_PARAMETER);
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return STATUS_INVALID_PARAMETER;
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}
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wcsncpy(KeyBuffer, Path, MAX_PATH-1);
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RtlInitUnicodeString(&KeyName, KeyBuffer);
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wcsncpy (KeyBuffer, Path, MAX_PATH-1);
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RtlInitUnicodeString (&KeyName, KeyBuffer);
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/* Skip \\Registry\\ */
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Current = KeyName.Buffer;
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Current = wcschr(Current, '\\') + 1;
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Current = wcschr(Current, '\\') + 1;
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Current = wcschr (Current, '\\') + 1;
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Current = wcschr (Current, '\\') + 1;
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do {
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Next = wcschr(Current, '\\');
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if (Next == NULL)
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{
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/* The end */
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}
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else
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{
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*Next = 0;
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}
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do
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{
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Next = wcschr (Current, '\\');
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if (Next == NULL)
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{
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/* The end */
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}
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else
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{
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*Next = 0;
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}
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InitializeObjectAttributes(
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&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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InitializeObjectAttributes (&ObjectAttributes,
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&KeyName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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DPRINT("Create '%S'\n", KeyName.Buffer);
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DPRINT("Create '%S'\n", KeyName.Buffer);
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Status = NtCreateKey(
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&KeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("NtCreateKey() failed with status %x\n", Status);
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return Status;
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}
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Status = NtCreateKey (&KeyHandle,
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KEY_ALL_ACCESS,
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&ObjectAttributes,
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0,
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NULL,
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0,
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NULL);
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if (!NT_SUCCESS (Status))
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{
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DPRINT ("NtCreateKey() failed with status %x\n", Status);
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return Status;
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}
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NtClose(KeyHandle);
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NtClose (KeyHandle);
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if (Next != NULL)
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{
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*Next = L'\\';
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}
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if (Next != NULL)
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{
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*Next = L'\\';
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}
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Current = Next + 1;
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} while (Next != NULL);
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Current = Next + 1;
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}
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while (Next != NULL);
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return STATUS_SUCCESS;
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}
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