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Share duplicated Rtl code. I've taken care to use the most recent code, so now ntoskrnl can also do environment string expansion.

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svn path=/trunk/; revision=13113
This commit is contained in:
Alex Ionescu 2005-01-18 04:33:31 +00:00
parent c435570afa
commit e4d14eb7ad
5 changed files with 25 additions and 820 deletions
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1
reactos/lib/ntdll/makefile
View file

@ -77,7 +77,6 @@ RTL_OBJECTS = \
rtl/process.o \
rtl/propvar.o \
rtl/rangelist.o \
rtl/registry.o \
rtl/resource.o \
rtl/teb.o \
rtl/thread.o \

1
reactos/lib/rtl/makefile
View file

@ -32,6 +32,7 @@ TARGET_OBJECTS = \
network.o \
nls.o \
random.o \
registry.o \
sd.o \
security.o \
sid.o \

84
reactos/lib/ntdll/rtl/registry.c → reactos/lib/rtl/registry.c
View file

@ -1,9 +1,9 @@
/* $Id$
/* $Id: registry.c 12852 2005-01-06 13:58:04Z mf $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Rtl registry functions
* FILE: lib/ntdll/rtl/registry.c
* FILE: lib/rtl/registry.c
* PROGRAMER: Eric Kohl
* REVISION HISTORY:
* 2000/08/11: Created
@ -17,6 +17,7 @@
/* INCLUDES ****************************************************************/
#define __NTDRIVER__
#include <ddk/ntddk.h>
#include <ntdll/rtl.h>
#include <ntos/minmax.h>
@ -290,9 +291,8 @@ RtlFormatCurrentUserKeyPath (OUT PUNICODE_STRING KeyPath)
KeyPath->Length = 0;
KeyPath->MaximumLength = Length;
KeyPath->Buffer = RtlAllocateHeap (RtlGetProcessHeap (),
0,
KeyPath->MaximumLength);
KeyPath->Buffer = ExAllocatePool (NonPagedPool,
KeyPath->MaximumLength);
if (KeyPath->Buffer == NULL)
{
DPRINT1 ("RtlAllocateHeap() failed\n");
@ -432,9 +432,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
QueryEntry->Name);
BufferSize = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + 4096;
ValueInfo = RtlAllocateHeap(RtlGetProcessHeap(),
0,
BufferSize);
ValueInfo = ExAllocatePool(PagedPool, BufferSize);
if (ValueInfo == NULL)
{
Status = STATUS_NO_MEMORY;
@ -451,7 +449,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
{
if (QueryEntry->Flags & RTL_QUERY_REGISTRY_REQUIRED)
{
RtlFreeHeap(RtlGetProcessHeap(), 0, ValueInfo);
ExFreePool(ValueInfo);
Status = STATUS_OBJECT_NAME_NOT_FOUND;
break;
}
@ -467,9 +465,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
{
ValueString->Length = SourceString->Length;
ValueString->MaximumLength = SourceString->MaximumLength;
ValueString->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueString->MaximumLength);
ValueString->Buffer = ExAllocatePool(PagedPool, BufferSize);
if (!ValueString->Buffer)
break;
ValueString->Buffer[0] = 0;
@ -507,9 +503,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
if (ValueString->Buffer == NULL)
{
ValueString->MaximumLength = ValueInfo->DataLength;
ValueString->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueString->MaximumLength);
ValueString->Buffer = ExAllocatePool(PagedPool, ValueString->MaximumLength);
if (ValueString->Buffer == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
@ -532,9 +526,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
ValueString = (PUNICODE_STRING)QueryEntry->EntryContext;
ExpandBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueInfo->DataLength * 2);
ExpandBuffer = ExAllocatePool(PagedPool, ValueInfo->DataLength * 2);
if (ExpandBuffer == NULL)
{
Status = STATUS_NO_MEMORY;
@ -557,9 +549,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
{
ValueString->MaximumLength = EnvExpandedValue.Length + sizeof(WCHAR);
ValueString->Length = EnvExpandedValue.Length;
ValueString->Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueString->MaximumLength);
ValueString->Buffer = ExAllocatePool(PagedPool, ValueString->MaximumLength);
if (ValueString->Buffer == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
@ -577,9 +567,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
ValueString->Length);
((PWSTR)ValueString->Buffer)[ValueString->Length / sizeof(WCHAR)] = 0;
RtlFreeHeap(RtlGetProcessHeap(),
0,
ExpandBuffer);
ExFreePool(ExpandBuffer);
}
else
{
@ -595,9 +583,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
}
RtlFreeHeap(RtlGetProcessHeap(),
0,
ValueInfo);
ExFreePool(ValueInfo);
}
else
{
@ -608,9 +594,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
QueryEntry->Name);
BufferSize = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + 4096;
ValueInfo = RtlAllocateHeap(RtlGetProcessHeap(),
0,
BufferSize);
ValueInfo = ExAllocatePool(PagedPool, BufferSize);
if (ValueInfo == NULL)
{
Status = STATUS_NO_MEMORY;
@ -659,9 +643,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
{
DPRINT("Expand REG_EXPAND_SZ type\n");
ExpandBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueInfo->DataLength * 2);
ExpandBuffer = ExAllocatePool(PagedPool, ValueInfo->DataLength * 2);
if (ExpandBuffer == NULL)
{
Status = STATUS_NO_MEMORY;
@ -688,9 +670,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
Context,
QueryEntry->EntryContext);
RtlFreeHeap(RtlGetProcessHeap(),
0,
ExpandBuffer);
ExFreePool(ExpandBuffer);
}
else
{
@ -708,9 +688,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
}
RtlFreeHeap(RtlGetProcessHeap(),
0,
ValueInfo);
ExFreePool(ValueInfo);
if (!NT_SUCCESS(Status))
break;
}
@ -731,18 +709,14 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
DPRINT("Enumerate values\n");
BufferSize = sizeof(KEY_VALUE_FULL_INFORMATION) + 4096;
FullValueInfo = RtlAllocateHeap(RtlGetProcessHeap(),
0,
BufferSize);
FullValueInfo = ExAllocatePool(PagedPool, BufferSize);
if (FullValueInfo == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
ValueNameSize = 256 * sizeof(WCHAR);
ValueName = RtlAllocateHeap(RtlGetProcessHeap(),
0,
ValueNameSize);
ValueName = ExAllocatePool(PagedPool, ValueNameSize);
if (ValueName == NULL)
{
Status = STATUS_NO_MEMORY;
@ -775,9 +749,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
if (FullValueInfo->NameLength > ValueNameSize - sizeof(WCHAR))
{
/* Should not happen, because the name length is limited to 255 characters */
RtlFreeHeap(RtlGetProcessHeap(),
0,
ValueName);
ExFreePool(ValueName);
ValueNameSize = FullValueInfo->NameLength + sizeof(WCHAR);
ValueName = RtlAllocateHeap(RtlGetProcessHeap(),
0,
@ -820,9 +792,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
DPRINT("Expand REG_EXPAND_SZ type\n");
StringPtr = (PWSTR)((PVOID)FullValueInfo + FullValueInfo->DataOffset);
ExpandBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
0,
FullValueInfo->DataLength * 2);
ExpandBuffer = ExAllocatePool(PagedPool, FullValueInfo->DataLength * 2);
if (ExpandBuffer == NULL)
{
Status = STATUS_NO_MEMORY;
@ -849,9 +819,7 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
Context,
QueryEntry->EntryContext);
RtlFreeHeap(RtlGetProcessHeap(),
0,
ExpandBuffer);
ExFreePool(ExpandBuffer);
}
else
{
@ -871,12 +839,8 @@ RtlQueryRegistryValues(IN ULONG RelativeTo,
Index++;
}
RtlFreeHeap(RtlGetProcessHeap(),
0,
FullValueInfo);
RtlFreeHeap(RtlGetProcessHeap(),
0,
ValueName);
ExFreePool(FullValueInfo);
ExFreePool(ValueName);
if (!NT_SUCCESS(Status))
break;
}

1
reactos/ntoskrnl/Makefile
View file

@ -307,7 +307,6 @@ OBJECTS_CM = \
cm/regfile.o \
cm/registry.o \
cm/regobj.o \
cm/rtlfunc.o
# Debugger Support (Dbg)
OBJECTS_DBG = \

758
reactos/ntoskrnl/cm/rtlfunc.c
View file

@ -1,758 +0,0 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/cm/rtlfunc.c
* PURPOSE: Rtlxxx function for registry access
* UPDATE HISTORY:
*/
/* INCLUDES *****************************************************************/
#include <ntoskrnl.h>
#define NDEBUG
#include <internal/debug.h>
#include "cm.h"
/* FUNCTIONS ****************************************************************/
static NTSTATUS
RtlpGetRegistryHandle(ULONG RelativeTo,
PWSTR Path,
BOOLEAN Create,
PHANDLE KeyHandle)
{
UNICODE_STRING KeyPath;
UNICODE_STRING KeyName;
WCHAR KeyBuffer[MAX_PATH];
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
if (RelativeTo & RTL_REGISTRY_HANDLE)
{
Status = NtDuplicateObject(NtCurrentProcess(),
(HANDLE)Path,
NtCurrentProcess(),
KeyHandle,
0,
FALSE,
DUPLICATE_SAME_ACCESS);
return(Status);
}
if (RelativeTo & RTL_REGISTRY_OPTIONAL)
RelativeTo &= ~RTL_REGISTRY_OPTIONAL;
if (RelativeTo >= RTL_REGISTRY_MAXIMUM)
return STATUS_INVALID_PARAMETER;
KeyName.Length = 0;
KeyName.MaximumLength = MAX_PATH;
KeyName.Buffer = KeyBuffer;
KeyBuffer[0] = 0;
switch (RelativeTo)
{
case RTL_REGISTRY_SERVICES:
RtlAppendUnicodeToString(&KeyName,
L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
break;
case RTL_REGISTRY_CONTROL:
RtlAppendUnicodeToString(&KeyName,
L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\");
break;
case RTL_REGISTRY_WINDOWS_NT:
RtlAppendUnicodeToString(&KeyName,
L"\\Registry\\Machine\\Software\\Microsoft\\Windows NT\\CurrentVersion\\");
break;
case RTL_REGISTRY_DEVICEMAP:
RtlAppendUnicodeToString(&KeyName,
L"\\Registry\\Machine\\Hardware\\DeviceMap\\");
break;
case RTL_REGISTRY_USER:
Status = RtlFormatCurrentUserKeyPath (&KeyPath);
if (!NT_SUCCESS(Status))
return(Status);
RtlAppendUnicodeStringToString (&KeyName,
&KeyPath);
RtlFreeUnicodeString (&KeyPath);
RtlAppendUnicodeToString (&KeyName,
L"\\");
break;
/* ReactOS specific */
case RTL_REGISTRY_ENUM:
RtlAppendUnicodeToString(&KeyName,
L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
break;
}
if (Path[0] == L'\\' && RelativeTo != RTL_REGISTRY_ABSOLUTE)
{
Path++;
}
RtlAppendUnicodeToString(&KeyName,
Path);
DPRINT("KeyName '%wZ'\n", &KeyName);
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
NULL,
NULL);
if (Create == TRUE)
{
Status = NtCreateKey(KeyHandle,
KEY_ALL_ACCESS,
&ObjectAttributes,
0,
NULL,
0,
NULL);
}
else
{
Status = NtOpenKey(KeyHandle,
KEY_ALL_ACCESS,
&ObjectAttributes);
}
return(Status);
}
/*
* @implemented
*/
NTSTATUS STDCALL
RtlCheckRegistryKey(IN ULONG RelativeTo,
IN PWSTR Path)
{
HANDLE KeyHandle;
NTSTATUS Status;
Status = RtlpGetRegistryHandle(RelativeTo,
Path,
FALSE,
&KeyHandle);
if (!NT_SUCCESS(Status))
return(Status);
NtClose(KeyHandle);
return(STATUS_SUCCESS);
}
/*
* @implemented
*/
NTSTATUS STDCALL
RtlCreateRegistryKey(IN ULONG RelativeTo,
IN PWSTR Path)
{
HANDLE KeyHandle;
NTSTATUS Status;
Status = RtlpGetRegistryHandle(RelativeTo,
Path,
TRUE,
&KeyHandle);
if (!NT_SUCCESS(Status))
return(Status);
NtClose(KeyHandle);
return(STATUS_SUCCESS);
}
/*
* @implemented
*/
NTSTATUS STDCALL
RtlDeleteRegistryValue(IN ULONG RelativeTo,
IN PCWSTR Path,
IN PCWSTR ValueName)
{
HANDLE KeyHandle;
NTSTATUS Status;
UNICODE_STRING Name;
Status = RtlpGetRegistryHandle(RelativeTo,
(PWSTR) Path,
TRUE,
&KeyHandle);
if (!NT_SUCCESS(Status))
return(Status);
RtlInitUnicodeString(&Name,
ValueName);
NtDeleteValueKey(KeyHandle,
&Name);
NtClose(KeyHandle);
return(STATUS_SUCCESS);
}
/*
* @implemented
*/
NTSTATUS STDCALL
RtlFormatCurrentUserKeyPath (OUT PUNICODE_STRING KeyPath)
{
HANDLE TokenHandle;
UCHAR Buffer[256];
PSID_AND_ATTRIBUTES SidBuffer;
ULONG Length;
UNICODE_STRING SidString;
NTSTATUS Status;
DPRINT ("RtlFormatCurrentUserKeyPath() called\n");
Status = ZwOpenThreadToken (NtCurrentThread (),
TOKEN_READ,
TRUE,
&TokenHandle);
if (!NT_SUCCESS (Status))
{
if (Status != STATUS_NO_TOKEN)
{
DPRINT1 ("ZwOpenThreadToken() failed (Status %lx)\n", Status);
return Status;
}
Status = ZwOpenProcessToken (NtCurrentProcess (),
TOKEN_READ,
&TokenHandle);
if (!NT_SUCCESS (Status))
{
DPRINT1 ("ZwOpenProcessToken() failed (Status %lx)\n", Status);
return Status;
}
}
SidBuffer = (PSID_AND_ATTRIBUTES)Buffer;
Status = ZwQueryInformationToken (TokenHandle,
TokenUser,
(PVOID)SidBuffer,
256,
&Length);
NtClose (TokenHandle);
if (!NT_SUCCESS(Status))
{
DPRINT ("ZwQueryInformationToken() failed (Status %lx)\n", Status);
return Status;
}
Status = RtlConvertSidToUnicodeString (&SidString,
SidBuffer[0].Sid,
TRUE);
if (!NT_SUCCESS(Status))
{
DPRINT1 ("RtlConvertSidToUnicodeString() failed (Status %lx)\n", Status);
return Status;
}
DPRINT ("SidString: '%wZ'\n", &SidString);
Length = SidString.Length + sizeof(L"\\Registry\\User\\");
DPRINT ("Length: %lu\n", Length);
KeyPath->Length = 0;
KeyPath->MaximumLength = Length;
KeyPath->Buffer = ExAllocatePool (NonPagedPool,
KeyPath->MaximumLength);
if (KeyPath->Buffer == NULL)
{
DPRINT1 ("RtlAllocateHeap() failed\n");
RtlFreeUnicodeString (&SidString);
return STATUS_NO_TOKEN;
}
RtlAppendUnicodeToString (KeyPath,
L"\\Registry\\User\\");
RtlAppendUnicodeStringToString (KeyPath,
&SidString);
RtlFreeUnicodeString (&SidString);
return STATUS_SUCCESS;
}
NTSTATUS STDCALL
RtlOpenCurrentUser(IN ACCESS_MASK DesiredAccess,
OUT PHANDLE KeyHandle)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyPath;
NTSTATUS Status;
Status = RtlFormatCurrentUserKeyPath(&KeyPath);
if (NT_SUCCESS(Status))
{
InitializeObjectAttributes(&ObjectAttributes,
&KeyPath,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey(KeyHandle,
DesiredAccess,
&ObjectAttributes);
RtlFreeUnicodeString(&KeyPath);
if (NT_SUCCESS(Status))
return(STATUS_SUCCESS);
}
RtlInitUnicodeString (&KeyPath,
L"\\Registry\\User\\.Default");
InitializeObjectAttributes(&ObjectAttributes,
&KeyPath,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey(KeyHandle,
DesiredAccess,
&ObjectAttributes);
return(Status);
}
/*
* @unimplemented
*/
NTSTATUS STDCALL
RtlQueryRegistryValues(IN ULONG RelativeTo,
IN PCWSTR Path,
IN PRTL_QUERY_REGISTRY_TABLE QueryTable,
IN PVOID Context,
IN PVOID Environment)
{
NTSTATUS Status;
HANDLE BaseKeyHandle;
HANDLE CurrentKeyHandle;
PRTL_QUERY_REGISTRY_TABLE QueryEntry;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyName;
PKEY_VALUE_PARTIAL_INFORMATION ValueInfo;
PKEY_VALUE_FULL_INFORMATION FullValueInfo;
ULONG BufferSize;
ULONG ResultSize;
ULONG ValueNameSize;
ULONG Index;
ULONG StringLen;
PWSTR StringPtr;
PWSTR ValueName;
DPRINT("RtlQueryRegistryValues() called\n");
Status = RtlpGetRegistryHandle(RelativeTo,
(PWSTR) Path,
FALSE,
&BaseKeyHandle);
if (!NT_SUCCESS(Status))
{
DPRINT("RtlpGetRegistryHandle() failed with status %x\n", Status);
return(Status);
}
CurrentKeyHandle = BaseKeyHandle;
QueryEntry = QueryTable;
while ((QueryEntry->QueryRoutine != NULL) ||
(QueryEntry->Name != NULL))
{
if (((QueryEntry->Flags & (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY)) != 0) &&
(BaseKeyHandle != CurrentKeyHandle))
{
NtClose(CurrentKeyHandle);
CurrentKeyHandle = BaseKeyHandle;
}
if (QueryEntry->Flags & RTL_QUERY_REGISTRY_SUBKEY)
{
DPRINT("Open new subkey: %S\n", QueryEntry->Name);
RtlInitUnicodeString(&KeyName,
QueryEntry->Name);
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
BaseKeyHandle,
NULL);
Status = NtOpenKey(&CurrentKeyHandle,
KEY_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
break;
}
else if (QueryEntry->Flags & RTL_QUERY_REGISTRY_DIRECT)
{
DPRINT("Query value directly: %S\n", QueryEntry->Name);
RtlInitUnicodeString(&KeyName,
QueryEntry->Name);
BufferSize = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 4096;
ValueInfo = ExAllocatePool(PagedPool, BufferSize);
if (ValueInfo == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
Status = ZwQueryValueKey(CurrentKeyHandle,
&KeyName,
KeyValuePartialInformation,
ValueInfo,
BufferSize,
&ResultSize);
if (!NT_SUCCESS(Status))
{
if (QueryEntry->Flags & RTL_QUERY_REGISTRY_REQUIRED)
{
ExFreePool(ValueInfo);
Status = STATUS_OBJECT_NAME_NOT_FOUND;
goto ByeBye;
}
if (QueryEntry->DefaultType == REG_SZ)
{
PUNICODE_STRING ValueString;
PUNICODE_STRING SourceString;
SourceString = (PUNICODE_STRING)QueryEntry->DefaultData;
ValueString = (PUNICODE_STRING)QueryEntry->EntryContext;
if (ValueString->Buffer == 0)
{
ValueString->Length = SourceString->Length;
ValueString->MaximumLength = SourceString->MaximumLength;
ValueString->Buffer = ExAllocatePool(PagedPool,
ValueString->MaximumLength);
if (!ValueString->Buffer)
break;
ValueString->Buffer[0] = 0;
memcpy(ValueString->Buffer,
SourceString->Buffer,
SourceString->MaximumLength);
}
else
{
ValueString->Length = RtlRosMin(SourceString->Length,
ValueString->MaximumLength - sizeof(WCHAR));
memcpy(ValueString->Buffer,
SourceString->Buffer,
ValueString->Length);
((PWSTR)ValueString->Buffer)[ValueString->Length / sizeof(WCHAR)] = 0;
}
}
else
{
memcpy(QueryEntry->EntryContext,
QueryEntry->DefaultData,
QueryEntry->DefaultLength);
}
Status = STATUS_SUCCESS;
}
else
{
if (ValueInfo->Type == REG_SZ ||
ValueInfo->Type == REG_MULTI_SZ ||
ValueInfo->Type == REG_EXPAND_SZ)
{
PUNICODE_STRING ValueString;
ValueString = (PUNICODE_STRING)QueryEntry->EntryContext;
if (ValueString->Buffer == 0)
{
RtlInitUnicodeString(ValueString,
NULL);
ValueString->MaximumLength = ValueInfo->DataLength;
ValueString->Buffer = ExAllocatePool(PagedPool,
ValueString->MaximumLength);
if (!ValueString->Buffer)
break;
ValueString->Buffer[0] = 0;
}
ValueString->Length = RtlRosMin(ValueInfo->DataLength,
ValueString->MaximumLength) - sizeof(WCHAR);
memcpy(ValueString->Buffer,
ValueInfo->Data,
ValueString->Length);
((PWSTR)ValueString->Buffer)[ValueString->Length / sizeof(WCHAR)] = 0;
}
else
{
memcpy(QueryEntry->EntryContext,
ValueInfo->Data,
ValueInfo->DataLength);
}
}
if (QueryEntry->Flags & RTL_QUERY_REGISTRY_DELETE)
{
DPRINT("FIXME: Delete value: %S\n", QueryEntry->Name);
}
ExFreePool(ValueInfo);
}
else
{
DPRINT("Query value via query routine: %S\n", QueryEntry->Name);
if (QueryEntry->Name != NULL)
{
DPRINT("Callback\n");
RtlInitUnicodeString(&KeyName,
QueryEntry->Name);
BufferSize = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 4096;
ValueInfo = ExAllocatePool(PagedPool,
BufferSize);
if (ValueInfo == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
Status = NtQueryValueKey(CurrentKeyHandle,
&KeyName,
KeyValuePartialInformation,
ValueInfo,
BufferSize,
&ResultSize);
if (!NT_SUCCESS(Status))
{
if (! (QueryEntry->Flags & RTL_QUERY_REGISTRY_REQUIRED))
{
Status = QueryEntry->QueryRoutine(QueryEntry->Name,
QueryEntry->DefaultType,
QueryEntry->DefaultData,
QueryEntry->DefaultLength,
Context,
QueryEntry->EntryContext);
}
}
else if ((ValueInfo->Type == REG_MULTI_SZ) &&
!(QueryEntry->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
{
DPRINT("Expand REG_MULTI_SZ type\n");
StringPtr = (PWSTR)ValueInfo->Data;
while (*StringPtr != 0)
{
StringLen = (wcslen(StringPtr) + 1) * sizeof(WCHAR);
Status = QueryEntry->QueryRoutine(QueryEntry->Name,
REG_SZ,
(PVOID)StringPtr,
StringLen,
Context,
QueryEntry->EntryContext);
if(!NT_SUCCESS(Status))
break;
StringPtr = (PWSTR)((PUCHAR)StringPtr + StringLen);
}
}
else
{
Status = QueryEntry->QueryRoutine(QueryEntry->Name,
ValueInfo->Type,
ValueInfo->Data,
ValueInfo->DataLength,
Context,
QueryEntry->EntryContext);
}
if (QueryEntry->Flags & RTL_QUERY_REGISTRY_DELETE)
{
DPRINT("FIXME: Delete value: %S\n", QueryEntry->Name);
}
ExFreePool(ValueInfo);
if (!NT_SUCCESS(Status))
break;
}
else if (QueryEntry->Flags & RTL_QUERY_REGISTRY_NOVALUE)
{
DPRINT("Simple callback\n");
Status = QueryEntry->QueryRoutine(NULL,
REG_NONE,
NULL,
0,
Context,
QueryEntry->EntryContext);
if (!NT_SUCCESS(Status))
break;
}
else
{
DPRINT("Enumerate values\n");
BufferSize = sizeof(KEY_VALUE_FULL_INFORMATION) + 4096;
FullValueInfo = ExAllocatePool(PagedPool,
BufferSize);
if (FullValueInfo == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
ValueNameSize = 256 * sizeof(WCHAR);
ValueName = ExAllocatePool(PagedPool,
ValueNameSize);
if (ValueName == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
Index = 0;
while (TRUE)
{
Status = NtEnumerateValueKey(CurrentKeyHandle,
Index,
KeyValueFullInformation,
FullValueInfo,
BufferSize,
&ResultSize);
if (!NT_SUCCESS(Status))
{
if ((Status == STATUS_NO_MORE_ENTRIES) &&
(Index == 0) &&
(QueryEntry->Flags & RTL_QUERY_REGISTRY_REQUIRED))
{
Status = STATUS_OBJECT_NAME_NOT_FOUND;
}
else if (Status == STATUS_NO_MORE_ENTRIES)
{
Status = STATUS_SUCCESS;
}
break;
}
if (FullValueInfo->NameLength > ValueNameSize - sizeof(WCHAR))
{
/* Should not happen, because the name length is limited to 255 characters */
ExFreePool(ValueName);
ValueNameSize = FullValueInfo->NameLength + sizeof(WCHAR);
ValueName = ExAllocatePool(PagedPool, ValueNameSize);
if (ValueName == NULL)
{
Status = STATUS_NO_MEMORY;
break;
}
}
RtlCopyMemory(ValueName,
FullValueInfo->Name,
FullValueInfo->NameLength);
ValueName[FullValueInfo->NameLength / sizeof(WCHAR)] = 0;
if ((FullValueInfo->Type == REG_MULTI_SZ) &&
!(QueryEntry->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
{
DPRINT("Expand REG_MULTI_SZ type\n");
StringPtr = (PWSTR)((char*)FullValueInfo + FullValueInfo->DataOffset);
while (*StringPtr != 0)
{
StringLen = (wcslen(StringPtr) + 1) * sizeof(WCHAR);
Status = QueryEntry->QueryRoutine(ValueName,
REG_SZ,
(PVOID)StringPtr,
StringLen,
Context,
QueryEntry->EntryContext);
if(!NT_SUCCESS(Status))
break;
StringPtr = (PWSTR)((PUCHAR)StringPtr + StringLen);
}
}
else
{
Status = QueryEntry->QueryRoutine(ValueName,
FullValueInfo->Type,
(char*)FullValueInfo + FullValueInfo->DataOffset,
FullValueInfo->DataLength,
Context,
QueryEntry->EntryContext);
}
if (!NT_SUCCESS(Status))
break;
/* FIXME: How will these be deleted? */
Index++;
}
ExFreePool(FullValueInfo);
ExFreePool(ValueName);
if (!NT_SUCCESS(Status))
break;
}
}
QueryEntry++;
}
ByeBye:
if (CurrentKeyHandle != BaseKeyHandle)
NtClose(CurrentKeyHandle);
NtClose(BaseKeyHandle);
return Status;
}
/*
* @implemented
*/
NTSTATUS STDCALL
RtlWriteRegistryValue(IN ULONG RelativeTo,
IN PCWSTR Path,
IN PCWSTR ValueName,
IN ULONG ValueType,
IN PVOID ValueData,
IN ULONG ValueLength)
{
HANDLE KeyHandle;
NTSTATUS Status;
UNICODE_STRING Name;
Status = RtlpGetRegistryHandle(RelativeTo,
(PWSTR) Path,
TRUE,
&KeyHandle);
if (!NT_SUCCESS(Status))
return(Status);
RtlInitUnicodeString(&Name,
ValueName);
NtSetValueKey(KeyHandle,
&Name,
0,
ValueType,
ValueData,
ValueLength);
NtClose(KeyHandle);
return(STATUS_SUCCESS);
}
/* EOF */