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/*
* Registry functions
*
* Copyright (C) 1999 Juergen Schmied
* Copyright (C) 2000 Alexandre Julliard
*
* NOTES:
* HKEY_LOCAL_MACHINE \\REGISTRY\\MACHINE
* HKEY_USERS \\REGISTRY\\USER
* HKEY_CURRENT_CONFIG \\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\HARDWARE PROFILES\\CURRENT
* HKEY_CLASSES \\REGISTRY\\MACHINE\\SOFTWARE\\CLASSES
*/
#include <string.h>
#include "debugtools.h"
#include "winreg.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "wine/server.h"
#include "ntddk.h"
#include "ntdll_misc.h"
DEFAULT_DEBUG_CHANNEL(reg);
/* maximum length of a key/value name in bytes (without terminating null) */
#define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
/******************************************************************************
* NtCreateKey [NTDLL.@]
* ZwCreateKey [NTDLL.@]
*/
NTSTATUS WINAPI NtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
PULONG dispos )
{
NTSTATUS ret;
DWORD len = attr->ObjectName->Length;
TRACE( "(0x%x,%s,%s,%lx,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
debugstr_us(class), options, access, retkey );
if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
len += sizeof(WCHAR); /* for storing name length */
if (class)
{
len += class->Length;
if (len > REQUEST_MAX_VAR_SIZE) return STATUS_BUFFER_OVERFLOW;
}
if (!retkey) return STATUS_INVALID_PARAMETER;
SERVER_START_VAR_REQ( create_key, len )
{
WCHAR *data = server_data_ptr(req);
req->parent = attr->RootDirectory;
req->access = access;
req->options = options;
req->modif = 0;
*data++ = attr->ObjectName->Length;
memcpy( data, attr->ObjectName->Buffer, attr->ObjectName->Length );
if (class) memcpy( (char *)data + attr->ObjectName->Length, class->Buffer, class->Length );
if (!(ret = SERVER_CALL()))
{
*retkey = req->hkey;
if (dispos) *dispos = req->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
}
}
SERVER_END_VAR_REQ;
TRACE("<- 0x%04x\n", *retkey);
return ret;
}
/******************************************************************************
* NtOpenKey [NTDLL.@]
* ZwOpenKey [NTDLL.@]
*
* OUT PHANDLE retkey (returns 0 when failure)
* IN ACCESS_MASK access
* IN POBJECT_ATTRIBUTES attr
*/
NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
{
NTSTATUS ret;
DWORD len = attr->ObjectName->Length;
TRACE( "(0x%x,%s,%lx,%p)\n", attr->RootDirectory,
debugstr_us(attr->ObjectName), access, retkey );
if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
if (!retkey) return STATUS_INVALID_PARAMETER;
SERVER_START_VAR_REQ( open_key, len )
{
req->parent = attr->RootDirectory;
req->access = access;
memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
ret = SERVER_CALL();
*retkey = req->hkey;
}
SERVER_END_VAR_REQ;
TRACE("<- 0x%04x\n", *retkey);
return ret;
}
/******************************************************************************
* NtDeleteKey [NTDLL.@]
* ZwDeleteKey [NTDLL.@]
*/
NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
{
NTSTATUS ret;
TRACE( "(%x)\n", hkey );
SERVER_START_REQ( delete_key )
{
req->hkey = hkey;
ret = SERVER_CALL();
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtDeleteValueKey [NTDLL.@]
* ZwDeleteValueKey [NTDLL.@]
*/
NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
{
NTSTATUS ret;
TRACE( "(0x%x,%s)\n", hkey, debugstr_us(name) );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
SERVER_START_VAR_REQ( delete_key_value, name->Length )
{
req->hkey = hkey;
memcpy( server_data_ptr(req), name->Buffer, name->Length );
ret = SERVER_CALL();
}
SERVER_END_VAR_REQ;
return ret;
}
/******************************************************************************
* fill_key_info
*
* Helper function for NtQueryKey and NtEnumerateKey
*/
static NTSTATUS fill_key_info( KEY_INFORMATION_CLASS info_class, void *info, DWORD length,
DWORD *result_len, const struct enum_key_request *req )
{
WCHAR *name_ptr = server_data_ptr(req);
int name_size = *name_ptr++;
WCHAR *class_ptr = (WCHAR *)((char *)name_ptr + name_size);
int class_size = server_data_size(req) - sizeof(WCHAR) - name_size;
int fixed_size;
FILETIME modif;
RtlSecondsSince1970ToTime( req->modif, &modif );
switch(info_class)
{
case KeyBasicInformation:
{
KEY_BASIC_INFORMATION keyinfo;
fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Name);
keyinfo.LastWriteTime = modif;
keyinfo.TitleIndex = 0;
keyinfo.NameLength = name_size;
memcpy( info, &keyinfo, min( length, fixed_size ) );
class_size = 0;
}
break;
case KeyFullInformation:
{
KEY_FULL_INFORMATION keyinfo;
fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Class);
keyinfo.LastWriteTime = modif;
keyinfo.TitleIndex = 0;
keyinfo.ClassLength = class_size;
keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
keyinfo.SubKeys = req->subkeys;
keyinfo.MaxNameLen = req->max_subkey;
keyinfo.MaxClassLen = req->max_class;
keyinfo.Values = req->values;
keyinfo.MaxValueNameLen = req->max_value;
keyinfo.MaxValueDataLen = req->max_data;
memcpy( info, &keyinfo, min( length, fixed_size ) );
name_size = 0;
}
break;
case KeyNodeInformation:
{
KEY_NODE_INFORMATION keyinfo;
fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Name);
keyinfo.LastWriteTime = modif;
keyinfo.TitleIndex = 0;
keyinfo.ClassLength = class_size;
keyinfo.ClassOffset = fixed_size + name_size;
if (!keyinfo.ClassLength || keyinfo.ClassOffset > length) keyinfo.ClassOffset = -1;
keyinfo.NameLength = name_size;
memcpy( info, &keyinfo, min( length, fixed_size ) );
}
break;
default:
FIXME("Information class not implemented\n");
return STATUS_INVALID_PARAMETER;
}
*result_len = fixed_size + name_size + class_size;
if (length <= fixed_size) return STATUS_BUFFER_OVERFLOW;
length -= fixed_size;
/* copy the name */
if (name_size)
{
memcpy( (char *)info + fixed_size, name_ptr, min(length,name_size) );
if (length < name_size) return STATUS_BUFFER_OVERFLOW;
length -= name_size;
}
/* copy the class */
if (class_size)
{
memcpy( (char *)info + fixed_size + name_size, class_ptr, min(length,class_size) );
if (length < class_size) return STATUS_BUFFER_OVERFLOW;
}
return STATUS_SUCCESS;
}
/******************************************************************************
* NtEnumerateKey [NTDLL.@]
* ZwEnumerateKey [NTDLL.@]
*
* NOTES
* the name copied into the buffer is NOT 0-terminated
*/
NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
/* -1 means query key, so avoid it here */
if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE )
{
req->hkey = handle;
req->index = index;
req->full = (info_class == KeyFullInformation);
if (!(ret = SERVER_CALL()))
{
ret = fill_key_info( info_class, info, length, result_len, req );
}
}
SERVER_END_VAR_REQ;
return ret;
}
/******************************************************************************
* NtQueryKey [NTDLL.@]
* ZwQueryKey [NTDLL.@]
*/
NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE )
{
req->hkey = handle;
req->index = -1;
req->full = (info_class == KeyFullInformation);
if (!(ret = SERVER_CALL()))
{
ret = fill_key_info( info_class, info, length, result_len, req );
}
}
SERVER_END_VAR_REQ;
return ret;
}
/* fill the key value info structure for a specific info class */
static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
DWORD length, int type, int name_len, int data_len )
{
switch(info_class)
{
case KeyValueBasicInformation:
{
KEY_VALUE_BASIC_INFORMATION keyinfo;
keyinfo.TitleIndex = 0;
keyinfo.Type = type;
keyinfo.NameLength = name_len;
length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Name) );
memcpy( info, &keyinfo, length );
break;
}
case KeyValueFullInformation:
{
KEY_VALUE_FULL_INFORMATION keyinfo;
keyinfo.TitleIndex = 0;
keyinfo.Type = type;
keyinfo.DataOffset = sizeof(keyinfo) - sizeof(keyinfo.Name) + name_len;
keyinfo.DataLength = data_len;
keyinfo.NameLength = name_len;
length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Name) );
memcpy( info, &keyinfo, length );
break;
}
case KeyValuePartialInformation:
{
KEY_VALUE_PARTIAL_INFORMATION keyinfo;
keyinfo.TitleIndex = 0;
keyinfo.Type = type;
keyinfo.DataLength = data_len;
length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Data) );
memcpy( info, &keyinfo, length );
break;
}
default:
break;
}
}
/******************************************************************************
* NtEnumerateValueKey [NTDLL.@]
* ZwEnumerateValueKey [NTDLL.@]
*/
NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
KEY_VALUE_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
char *data_ptr, *name_ptr;
int fixed_size = 0, name_len = 0, data_len = 0, offset = 0, type = 0, total_len = 0;
TRACE( "(0x%x,%lu,%d,%p,%ld)\n", handle, index, info_class, info, length );
/* compute the length we want to retrieve */
switch(info_class)
{
case KeyValueBasicInformation:
fixed_size = sizeof(KEY_VALUE_BASIC_INFORMATION) - sizeof(WCHAR);
name_ptr = (char *)info + fixed_size;
data_ptr = NULL;
break;
case KeyValueFullInformation:
fixed_size = sizeof(KEY_VALUE_FULL_INFORMATION) - sizeof(WCHAR);
name_ptr = data_ptr = (char *)info + fixed_size;
break;
case KeyValuePartialInformation:
fixed_size = sizeof(KEY_VALUE_PARTIAL_INFORMATION) - sizeof(UCHAR);
name_ptr = NULL;
data_ptr = (char *)info + fixed_size;
break;
default:
FIXME( "Information class %d not implemented\n", info_class );
return STATUS_INVALID_PARAMETER;
}
if (length > fixed_size) data_len = length - fixed_size;
do
{
size_t reqlen = data_len + sizeof(WCHAR);
if (name_ptr && !offset) reqlen += MAX_PATH*sizeof(WCHAR);
reqlen = min( reqlen, REQUEST_MAX_VAR_SIZE );
SERVER_START_VAR_REQ( enum_key_value, reqlen )
{
req->hkey = handle;
req->index = index;
req->offset = offset;
if (!(ret = SERVER_CALL()))
{
size_t size = server_data_size(req) - sizeof(WCHAR);
WCHAR *name = server_data_ptr(req);
if (!offset) /* name is only present on the first request */
{
name_len = *name++;
size -= name_len;
if (name_ptr)
{
if (name_len > data_len) /* overflow */
{
memcpy( name_ptr, name, data_len );
data_len = 0;
ret = STATUS_BUFFER_OVERFLOW;
}
else
{
memcpy( name_ptr, name, name_len );
data_len -= name_len;
if (data_ptr) data_ptr += name_len;
}
}
name += name_len / sizeof(WCHAR);
}
else name++; /* skip 0 length */
if (data_ptr)
{
size = min( size, data_len );
memcpy( data_ptr + offset, name, size );
offset += size;
data_len -= size;
}
type = req->type;
total_len = req->len;
}
}
SERVER_END_VAR_REQ;
if (ret) return ret;
} while (data_len && data_ptr && offset < total_len);
*result_len = total_len + fixed_size + (name_ptr ? name_len : 0);
if (data_ptr && offset < total_len) ret = STATUS_BUFFER_OVERFLOW;
if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW;
copy_key_value_info( info_class, info, length, type, name_len, total_len );
return ret;
}
/******************************************************************************
* NtQueryValueKey [NTDLL.@]
* ZwQueryValueKey [NTDLL.@]
*
* NOTES
* the name in the KeyValueInformation is never set
*/
NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
KEY_VALUE_INFORMATION_CLASS info_class,
void *info, DWORD length, DWORD *result_len )
{
NTSTATUS ret;
char *data_ptr;
int fixed_size = 0, data_len = 0, offset = 0, type = 0, total_len = 0;
TRACE( "(0x%x,%s,%d,%p,%ld)\n", handle, debugstr_us(name), info_class, info, length );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
/* compute the length we want to retrieve */
switch(info_class)
{
case KeyValueBasicInformation:
fixed_size = sizeof(KEY_VALUE_BASIC_INFORMATION) - sizeof(WCHAR);
data_ptr = NULL;
break;
case KeyValueFullInformation:
fixed_size = sizeof(KEY_VALUE_FULL_INFORMATION) - sizeof(WCHAR);
data_ptr = (char *)info + fixed_size;
break;
case KeyValuePartialInformation:
fixed_size = sizeof(KEY_VALUE_PARTIAL_INFORMATION) - sizeof(UCHAR);
data_ptr = (char *)info + fixed_size;
break;
default:
FIXME( "Information class %d not implemented\n", info_class );
return STATUS_INVALID_PARAMETER;
}
if (data_ptr && length > fixed_size) data_len = length - fixed_size;
do
{
size_t reqlen = min( data_len, REQUEST_MAX_VAR_SIZE );
reqlen = max( reqlen, name->Length + sizeof(WCHAR) );
SERVER_START_VAR_REQ( get_key_value, reqlen )
{
WCHAR *nameptr = server_data_ptr(req);
req->hkey = handle;
req->offset = offset;
*nameptr++ = name->Length;
memcpy( nameptr, name->Buffer, name->Length );
if (!(ret = SERVER_CALL()))
{
size_t size = min( server_data_size(req), data_len );
type = req->type;
total_len = req->len;
if (size)
{
memcpy( data_ptr + offset, server_data_ptr(req), size );
offset += size;
data_len -= size;
}
}
}
SERVER_END_VAR_REQ;
if (ret) return ret;
} while (data_len && offset < total_len);
*result_len = total_len + fixed_size;
if (offset < total_len) ret = STATUS_BUFFER_OVERFLOW;
if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW;
copy_key_value_info( info_class, info, length, type, 0, total_len );
return ret;
}
/******************************************************************************
* NtFlushKey [NTDLL.@]
* ZwFlushKey [NTDLL.@]
*/
NTSTATUS WINAPI NtFlushKey(HANDLE KeyHandle)
{
FIXME("(0x%08x) stub!\n",
KeyHandle);
return 1;
}
/******************************************************************************
* NtLoadKey [NTDLL.@]
* ZwLoadKey [NTDLL.@]
*/
NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, const OBJECT_ATTRIBUTES *file )
{
FIXME("stub!\n");
dump_ObjectAttributes(attr);
dump_ObjectAttributes(file);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtNotifyChangeKey [NTDLL.@]
* ZwNotifyChangeKey [NTDLL.@]
*/
NTSTATUS WINAPI NtNotifyChangeKey(
IN HANDLE KeyHandle,
IN HANDLE Event,
IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
IN PVOID ApcContext OPTIONAL,
OUT PIO_STATUS_BLOCK IoStatusBlock,
IN ULONG CompletionFilter,
IN BOOLEAN Asynchroneous,
OUT PVOID ChangeBuffer,
IN ULONG Length,
IN BOOLEAN WatchSubtree)
{
FIXME("(0x%08x,0x%08x,%p,%p,%p,0x%08lx, 0x%08x,%p,0x%08lx,0x%08x) stub!\n",
KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
Asynchroneous, ChangeBuffer, Length, WatchSubtree);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtQueryMultipleValueKey [NTDLL]
* ZwQueryMultipleValueKey
*/
NTSTATUS WINAPI NtQueryMultipleValueKey(
HANDLE KeyHandle,
PVALENTW ListOfValuesToQuery,
ULONG NumberOfItems,
PVOID MultipleValueInformation,
ULONG Length,
PULONG ReturnLength)
{
FIXME("(0x%08x,%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
Length,ReturnLength);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtReplaceKey [NTDLL.@]
* ZwReplaceKey [NTDLL.@]
*/
NTSTATUS WINAPI NtReplaceKey(
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN HANDLE Key,
IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
{
FIXME("(0x%08x),stub!\n", Key);
dump_ObjectAttributes(ObjectAttributes);
dump_ObjectAttributes(ReplacedObjectAttributes);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtRestoreKey [NTDLL.@]
* ZwRestoreKey [NTDLL.@]
*/
NTSTATUS WINAPI NtRestoreKey(
HANDLE KeyHandle,
HANDLE FileHandle,
ULONG RestoreFlags)
{
FIXME("(0x%08x,0x%08x,0x%08lx) stub\n",
KeyHandle, FileHandle, RestoreFlags);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtSaveKey [NTDLL.@]
* ZwSaveKey [NTDLL.@]
*/
NTSTATUS WINAPI NtSaveKey(
IN HANDLE KeyHandle,
IN HANDLE FileHandle)
{
FIXME("(0x%08x,0x%08x) stub\n",
KeyHandle, FileHandle);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtSetInformationKey [NTDLL.@]
* ZwSetInformationKey [NTDLL.@]
*/
NTSTATUS WINAPI NtSetInformationKey(
IN HANDLE KeyHandle,
IN const int KeyInformationClass,
IN PVOID KeyInformation,
IN ULONG KeyInformationLength)
{
FIXME("(0x%08x,0x%08x,%p,0x%08lx) stub\n",
KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtSetValueKey [NTDLL.@]
* ZwSetValueKey [NTDLL.@]
*
* NOTES
* win95 does not care about count for REG_SZ and finds out the len by itself (js)
* NT does definitely care (aj)
*/
NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
ULONG type, const void *data, ULONG count )
{
NTSTATUS ret;
ULONG namelen, pos;
TRACE( "(0x%x,%s,%ld,%p,%ld)\n", hkey, debugstr_us(name), type, data, count );
if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
namelen = name->Length + sizeof(WCHAR); /* for storing length */
pos = 0;
do
{
ULONG len = count - pos;
if (len > REQUEST_MAX_VAR_SIZE - namelen) len = REQUEST_MAX_VAR_SIZE - namelen;
SERVER_START_VAR_REQ( set_key_value, namelen + len )
{
WCHAR *name_ptr = server_data_ptr(req);
req->hkey = hkey;
req->type = type;
req->total = count;
req->offset = pos;
*name_ptr++ = name->Length;
memcpy( name_ptr, name->Buffer, name->Length );
memcpy( (char *)name_ptr + name->Length, (char *)data + pos, len );
pos += len;
ret = SERVER_CALL();
}
SERVER_END_VAR_REQ;
} while (!ret && pos < count);
return ret;
}
/******************************************************************************
* NtUnloadKey [NTDLL.@]
* ZwUnloadKey [NTDLL.@]
*/
NTSTATUS WINAPI NtUnloadKey(
IN HANDLE KeyHandle)
{
FIXME("(0x%08x) stub\n",
KeyHandle);
return STATUS_SUCCESS;
}
/******************************************************************************
* RtlFormatCurrentUserKeyPath [NTDLL.@]
*/
NTSTATUS WINAPI RtlFormatCurrentUserKeyPath(
IN OUT PUNICODE_STRING KeyPath)
{
/* LPSTR Path = "\\REGISTRY\\USER\\S-1-5-21-0000000000-000000000-0000000000-500";*/
LPSTR Path = "\\REGISTRY\\USER\\.DEFAULT";
ANSI_STRING AnsiPath;
FIXME("(%p) stub\n",KeyPath);
RtlInitAnsiString(&AnsiPath, Path);
return RtlAnsiStringToUnicodeString(KeyPath, &AnsiPath, TRUE);
}
/******************************************************************************
* RtlOpenCurrentUser [NTDLL.@]
*
* if we return just HKEY_CURRENT_USER the advapi try's to find a remote
* registry (odd handle) and fails
*
*/
DWORD WINAPI RtlOpenCurrentUser(
IN ACCESS_MASK DesiredAccess, /* [in] */
OUT PHANDLE KeyHandle) /* [out] handle of HKEY_CURRENT_USER */
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING ObjectName;
NTSTATUS ret;
TRACE("(0x%08lx, %p) stub\n",DesiredAccess, KeyHandle);
RtlFormatCurrentUserKeyPath(&ObjectName);
InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
ret = NtOpenKey(KeyHandle, DesiredAccess, &ObjectAttributes);
RtlFreeUnicodeString(&ObjectName);
return ret;
}
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