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goma / wine / 908ef2b2907d5a17516961b58ab108025c7fecc8 / . / win32 / device.c
blob: 860a87fd2387d9b69af210cb68b24b3a576a1ab4 [file] [log] [blame]
/*
* Win32 device functions
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Ulrich Weigand
* Copyright 1998 Patrik Stridvall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <sys/types.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winerror.h"
#include "file.h"
#include "winioctl.h"
#include "winnt.h"
#include "msdos.h"
#include "miscemu.h"
#include "stackframe.h"
#include "wine/server.h"
#include "wine/debug.h"
#include "callback.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context );
static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static BOOL DeviceIo_VCD(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context );
static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static BOOL DeviceIo_HASP (DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
/*
* VxD names are taken from the Win95 DDK
*/
struct VxDInfo
{
LPCSTR name;
WORD id;
DWORD (*vxdcall)(DWORD, CONTEXT86 *);
BOOL (*deviceio)(DWORD, LPVOID, DWORD,
LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
};
static const struct VxDInfo VxDList[] =
{
/* Standard VxD IDs */
{ "VMM", 0x0001, VxDCall_VMM, NULL },
{ "DEBUG", 0x0002, NULL, NULL },
{ "VPICD", 0x0003, NULL, NULL },
{ "VDMAD", 0x0004, NULL, NULL },
{ "VTD", 0x0005, NULL, NULL },
{ "V86MMGR", 0x0006, NULL, NULL },
{ "PAGESWAP", 0x0007, NULL, NULL },
{ "PARITY", 0x0008, NULL, NULL },
{ "REBOOT", 0x0009, NULL, NULL },
{ "VDD", 0x000A, NULL, NULL },
{ "VSD", 0x000B, NULL, NULL },
{ "VMD", 0x000C, NULL, NULL },
{ "VKD", 0x000D, NULL, NULL },
{ "VCD", 0x000E, NULL, DeviceIo_VCD },
{ "VPD", 0x000F, NULL, NULL },
{ "BLOCKDEV", 0x0010, NULL, NULL },
{ "VMCPD", 0x0011, NULL, NULL },
{ "EBIOS", 0x0012, NULL, NULL },
{ "BIOSXLAT", 0x0013, NULL, NULL },
{ "VNETBIOS", 0x0014, NULL, NULL },
{ "DOSMGR", 0x0015, NULL, NULL },
{ "WINLOAD", 0x0016, NULL, NULL },
{ "SHELL", 0x0017, NULL, NULL },
{ "VMPOLL", 0x0018, NULL, NULL },
{ "VPROD", 0x0019, NULL, NULL },
{ "DOSNET", 0x001A, NULL, NULL },
{ "VFD", 0x001B, NULL, NULL },
{ "VDD2", 0x001C, NULL, NULL },
{ "WINDEBUG", 0x001D, NULL, NULL },
{ "TSRLOAD", 0x001E, NULL, NULL },
{ "BIOSHOOK", 0x001F, NULL, NULL },
{ "INT13", 0x0020, NULL, NULL },
{ "PAGEFILE", 0x0021, NULL, NULL },
{ "SCSI", 0x0022, NULL, NULL },
{ "MCA_POS", 0x0023, NULL, NULL },
{ "SCSIFD", 0x0024, NULL, NULL },
{ "VPEND", 0x0025, NULL, NULL },
{ "VPOWERD", 0x0026, NULL, NULL },
{ "VXDLDR", 0x0027, NULL, NULL },
{ "NDIS", 0x0028, NULL, NULL },
{ "BIOS_EXT", 0x0029, NULL, NULL },
{ "VWIN32", 0x002A, VxDCall_VWin32, DeviceIo_VWin32 },
{ "VCOMM", 0x002B, NULL, NULL },
{ "SPOOLER", 0x002C, NULL, NULL },
{ "WIN32S", 0x002D, NULL, NULL },
{ "DEBUGCMD", 0x002E, NULL, NULL },
{ "VNB", 0x0031, NULL, NULL },
{ "SERVER", 0x0032, NULL, NULL },
{ "CONFIGMG", 0x0033, NULL, NULL },
{ "DWCFGMG", 0x0034, NULL, NULL },
{ "SCSIPORT", 0x0035, NULL, NULL },
{ "VFBACKUP", 0x0036, NULL, NULL },
{ "ENABLE", 0x0037, NULL, NULL },
{ "VCOND", 0x0038, NULL, NULL },
{ "EFAX", 0x003A, NULL, NULL },
{ "DSVXD", 0x003B, NULL, NULL },
{ "ISAPNP", 0x003C, NULL, NULL },
{ "BIOS", 0x003D, NULL, NULL },
{ "WINSOCK", 0x003E, NULL, NULL },
{ "WSOCK", 0x003E, NULL, NULL },
{ "WSIPX", 0x003F, NULL, NULL },
{ "IFSMgr", 0x0040, NULL, DeviceIo_IFSMgr },
{ "VCDFSD", 0x0041, NULL, NULL },
{ "MRCI2", 0x0042, NULL, NULL },
{ "PCI", 0x0043, NULL, NULL },
{ "PELOADER", 0x0044, NULL, NULL },
{ "EISA", 0x0045, NULL, NULL },
{ "DRAGCLI", 0x0046, NULL, NULL },
{ "DRAGSRV", 0x0047, NULL, NULL },
{ "PERF", 0x0048, NULL, NULL },
{ "AWREDIR", 0x0049, NULL, NULL },
/* Far East support */
{ "ETEN", 0x0060, NULL, NULL },
{ "CHBIOS", 0x0061, NULL, NULL },
{ "VMSGD", 0x0062, NULL, NULL },
{ "VPPID", 0x0063, NULL, NULL },
{ "VIME", 0x0064, NULL, NULL },
{ "VHBIOSD", 0x0065, NULL, NULL },
/* Multimedia OEM IDs */
{ "VTDAPI", 0x0442, NULL, DeviceIo_VTDAPI },
{ "MMDEVLDR", 0x044A, NULL, DeviceIo_MMDEVLDR },
/* Network Device IDs */
{ "VNetSup", 0x0480, NULL, NULL },
{ "VRedir", 0x0481, NULL, NULL },
{ "VBrowse", 0x0482, NULL, NULL },
{ "VSHARE", 0x0483, NULL, NULL },
{ "IFSMgr", 0x0484, NULL, NULL },
{ "MEMPROBE", 0x0485, NULL, NULL },
{ "VFAT", 0x0486, NULL, NULL },
{ "NWLINK", 0x0487, NULL, NULL },
{ "VNWLINK", 0x0487, NULL, NULL },
{ "NWSUP", 0x0487, NULL, NULL },
{ "VTDI", 0x0488, NULL, NULL },
{ "VIP", 0x0489, NULL, NULL },
{ "VTCP", 0x048A, NULL, NULL },
{ "VCache", 0x048B, NULL, NULL },
{ "VUDP", 0x048C, NULL, NULL },
{ "VAsync", 0x048D, NULL, NULL },
{ "NWREDIR", 0x048E, NULL, NULL },
{ "STAT80", 0x048F, NULL, NULL },
{ "SCSIPORT", 0x0490, NULL, NULL },
{ "FILESEC", 0x0491, NULL, NULL },
{ "NWSERVER", 0x0492, NULL, NULL },
{ "SECPROV", 0x0493, NULL, NULL },
{ "NSCL", 0x0494, NULL, NULL },
{ "WSTCP", 0x0495, NULL, NULL },
{ "NDIS2SUP", 0x0496, NULL, NULL },
{ "MSODISUP", 0x0497, NULL, NULL },
{ "Splitter", 0x0498, NULL, NULL },
{ "PPP", 0x0499, NULL, NULL },
{ "VDHCP", 0x049A, NULL, NULL },
{ "VNBT", 0x049B, NULL, NULL },
{ "LOGGER", 0x049D, NULL, NULL },
{ "EFILTER", 0x049E, NULL, NULL },
{ "FFILTER", 0x049F, NULL, NULL },
{ "TFILTER", 0x04A0, NULL, NULL },
{ "AFILTER", 0x04A1, NULL, NULL },
{ "IRLAMP", 0x04A2, NULL, NULL },
{ "PCCARD", 0x097C, NULL, DeviceIo_PCCARD },
{ "HASP95", 0x3721, NULL, DeviceIo_HASP },
/* WINE additions, ids unknown */
{ "MONODEBG.VXD", 0x4242, NULL, DeviceIo_MONODEBG },
{ NULL, 0, NULL, NULL }
};
/*
* VMM VxDCall service names are (mostly) taken from Stan Mitchell's
* "Inside the Windows 95 File System"
*/
#define N_VMM_SERVICE 41
LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
{
"PageReserve", /* 0x0000 */
"PageCommit", /* 0x0001 */
"PageDecommit", /* 0x0002 */
"PagerRegister", /* 0x0003 */
"PagerQuery", /* 0x0004 */
"HeapAllocate", /* 0x0005 */
"ContextCreate", /* 0x0006 */
"ContextDestroy", /* 0x0007 */
"PageAttach", /* 0x0008 */
"PageFlush", /* 0x0009 */
"PageFree", /* 0x000A */
"ContextSwitch", /* 0x000B */
"HeapReAllocate", /* 0x000C */
"PageModifyPermissions", /* 0x000D */
"PageQuery", /* 0x000E */
"GetCurrentContext", /* 0x000F */
"HeapFree", /* 0x0010 */
"RegOpenKey", /* 0x0011 */
"RegCreateKey", /* 0x0012 */
"RegCloseKey", /* 0x0013 */
"RegDeleteKey", /* 0x0014 */
"RegSetValue", /* 0x0015 */
"RegDeleteValue", /* 0x0016 */
"RegQueryValue", /* 0x0017 */
"RegEnumKey", /* 0x0018 */
"RegEnumValue", /* 0x0019 */
"RegQueryValueEx", /* 0x001A */
"RegSetValueEx", /* 0x001B */
"RegFlushKey", /* 0x001C */
"RegQueryInfoKey", /* 0x001D */
"GetDemandPageInfo", /* 0x001E */
"BlockOnID", /* 0x001F */
"SignalID", /* 0x0020 */
"RegLoadKey", /* 0x0021 */
"RegUnLoadKey", /* 0x0022 */
"RegSaveKey", /* 0x0023 */
"RegRemapPreDefKey", /* 0x0024 */
"PageChangePager", /* 0x0025 */
"RegQueryMultipleValues", /* 0x0026 */
"RegReplaceKey", /* 0x0027 */
"<KERNEL32.101>" /* 0x0028 -- What does this do??? */
};
/* PageReserve arena values */
#define PR_PRIVATE 0x80000400 /* anywhere in private arena */
#define PR_SHARED 0x80060000 /* anywhere in shared arena */
#define PR_SYSTEM 0x80080000 /* anywhere in system arena */
/* PageReserve flags */
#define PR_FIXED 0x00000008 /* don't move during PageReAllocate */
#define PR_4MEG 0x00000001 /* allocate on 4mb boundary */
#define PR_STATIC 0x00000010 /* see PageReserve documentation */
/* PageCommit default pager handle values */
#define PD_ZEROINIT 0x00000001 /* swappable zero-initialized pages */
#define PD_NOINIT 0x00000002 /* swappable uninitialized pages */
#define PD_FIXEDZERO 0x00000003 /* fixed zero-initialized pages */
#define PD_FIXED 0x00000004 /* fixed uninitialized pages */
/* PageCommit flags */
#define PC_FIXED 0x00000008 /* pages are permanently locked */
#define PC_LOCKED 0x00000080 /* pages are made present and locked */
#define PC_LOCKEDIFDP 0x00000100 /* pages are locked if swap via DOS */
#define PC_WRITEABLE 0x00020000 /* make the pages writeable */
#define PC_USER 0x00040000 /* make the pages ring 3 accessible */
#define PC_INCR 0x40000000 /* increment "pagerdata" each page */
#define PC_PRESENT 0x80000000 /* make pages initially present */
#define PC_STATIC 0x20000000 /* allow commit in PR_STATIC object */
#define PC_DIRTY 0x08000000 /* make pages initially dirty */
#define PC_CACHEDIS 0x00100000 /* Allocate uncached pages - new for WDM */
#define PC_CACHEWT 0x00080000 /* Allocate write through cache pages - new for WDM */
#define PC_PAGEFLUSH 0x00008000 /* Touch device mapped pages on alloc - new for WDM */
/* PageCommitContig additional flags */
#define PCC_ZEROINIT 0x00000001 /* zero-initialize new pages */
#define PCC_NOLIN 0x10000000 /* don't map to any linear address */
HANDLE DEVICE_Open( LPCWSTR filenameW, DWORD access, LPSECURITY_ATTRIBUTES sa )
{
const struct VxDInfo *info;
char filename[MAX_PATH];
if (!WideCharToMultiByte(CP_ACP, 0, filenameW, -1, filename, MAX_PATH, NULL, NULL))
{
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
for (info = VxDList; info->name; info++)
if (!strncasecmp( info->name, filename, strlen(info->name) ))
return FILE_CreateDevice( info->id | 0x10000, access, sa );
FIXME( "Unknown/unsupported VxD %s. Try setting Windows version to 'nt40' or 'win31'.\n",
filename);
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
static DWORD DEVICE_GetClientID( HANDLE handle )
{
DWORD ret = 0;
SERVER_START_REQ( get_device_id )
{
req->handle = handle;
if (!wine_server_call( req )) ret = reply->id;
}
SERVER_END_REQ;
return ret;
}
static const struct VxDInfo *DEVICE_GetInfo( DWORD clientID )
{
const struct VxDInfo *info = NULL;
if (clientID & 0x10000)
{
for (info = VxDList; info->name; info++)
if (info->id == LOWORD(clientID)) break;
}
return info;
}
/****************************************************************************
* DeviceIoControl (KERNEL32.@)
* This is one of those big ugly nasty procedure which can do
* a million and one things when it comes to devices. It can also be
* used for VxD communication.
*
* A return value of FALSE indicates that something has gone wrong which
* GetLastError can decipher.
*/
BOOL WINAPI DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
DWORD clientID;
TRACE( "(%p,%ld,%p,%ld,%p,%ld,%p,%p)\n",
hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
if (!(clientID = DEVICE_GetClientID( hDevice )))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/* Check if this is a user defined control code for a VxD */
if( HIWORD( dwIoControlCode ) == 0 )
{
const struct VxDInfo *info;
if (!(info = DEVICE_GetInfo( clientID )))
{
FIXME( "No device found for id %lx\n", clientID);
}
else if ( info->deviceio )
{
return info->deviceio( dwIoControlCode,
lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer,
lpcbBytesReturned, lpOverlapped );
}
else
{
FIXME( "Unimplemented control %ld for VxD device %s\n",
dwIoControlCode, info->name ? info->name : "???" );
/* FIXME: this is for invalid calls on W98SE,
* but maybe we should use ERROR_CALL_NOT_IMPLEMENTED
* instead ? */
SetLastError( ERROR_INVALID_FUNCTION );
}
}
else
{
char str[3];
strcpy(str, "A:");
str[0] += LOBYTE(clientID);
if (GetDriveTypeA(str) == DRIVE_CDROM)
return CDROM_DeviceIoControl(clientID, hDevice, dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned,
lpOverlapped);
else switch( dwIoControlCode )
{
case FSCTL_DELETE_REPARSE_POINT:
case FSCTL_DISMOUNT_VOLUME:
case FSCTL_GET_COMPRESSION:
case FSCTL_GET_REPARSE_POINT:
case FSCTL_LOCK_VOLUME:
case FSCTL_QUERY_ALLOCATED_RANGES:
case FSCTL_SET_COMPRESSION:
case FSCTL_SET_REPARSE_POINT:
case FSCTL_SET_SPARSE:
case FSCTL_SET_ZERO_DATA:
case FSCTL_UNLOCK_VOLUME:
case IOCTL_DISK_CHECK_VERIFY:
case IOCTL_DISK_EJECT_MEDIA:
case IOCTL_DISK_FORMAT_TRACKS:
case IOCTL_DISK_GET_DRIVE_GEOMETRY:
case IOCTL_DISK_GET_DRIVE_LAYOUT:
case IOCTL_DISK_GET_MEDIA_TYPES:
case IOCTL_DISK_GET_PARTITION_INFO:
case IOCTL_DISK_LOAD_MEDIA:
case IOCTL_DISK_MEDIA_REMOVAL:
case IOCTL_DISK_PERFORMANCE:
case IOCTL_DISK_REASSIGN_BLOCKS:
case IOCTL_DISK_SET_DRIVE_LAYOUT:
case IOCTL_DISK_SET_PARTITION_INFO:
case IOCTL_DISK_VERIFY:
case IOCTL_SERIAL_LSRMST_INSERT:
case IOCTL_STORAGE_CHECK_VERIFY:
case IOCTL_STORAGE_EJECT_MEDIA:
case IOCTL_STORAGE_GET_MEDIA_TYPES:
case IOCTL_STORAGE_LOAD_MEDIA:
case IOCTL_STORAGE_MEDIA_REMOVAL:
FIXME( "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
break;
default:
FIXME( "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
break;
}
}
return FALSE;
}
/***********************************************************************
* DeviceIo_VTDAPI
*/
static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
BOOL retv = TRUE;
switch (dwIoControlCode)
{
case 5:
if (lpvOutBuffer && (cbOutBuffer>=4))
*(DWORD*)lpvOutBuffer = GetTickCount();
if (lpcbBytesReturned)
*lpcbBytesReturned = 4;
break;
default:
FIXME( "Control %ld not implemented\n", dwIoControlCode);
retv = FALSE;
break;
}
return retv;
}
/***********************************************************************
* VxDCall0 (KERNEL32.1)
* VxDCall1 (KERNEL32.2)
* VxDCall2 (KERNEL32.3)
* VxDCall3 (KERNEL32.4)
* VxDCall4 (KERNEL32.5)
* VxDCall5 (KERNEL32.6)
* VxDCall6 (KERNEL32.7)
* VxDCall7 (KERNEL32.8)
* VxDCall8 (KERNEL32.9)
*/
void VxDCall( DWORD service, CONTEXT86 *context )
{
DWORD ret = 0xffffffff; /* FIXME */
int i;
TRACE( "(%08lx, ...)\n", service);
for (i = 0; VxDList[i].name; i++)
if (VxDList[i].id == HIWORD(service))
break;
if (!VxDList[i].name)
FIXME( "Unknown VxD (%08lx)\n", service);
else if (!VxDList[i].vxdcall)
FIXME( "Unimplemented VxD (%08lx)\n", service);
else
ret = VxDList[i].vxdcall( service, context );
context->Eax = ret;
}
/******************************************************************************
* The following is a massive duplication of the advapi32 code.
* Unfortunately sharing the code is not possible since the native
* Win95 advapi32 depends on it. Someday we should probably stop
* supporting native Win95 advapi32 altogether...
*/
#define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT
#define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA
#define NB_SPECIAL_ROOT_KEYS ((UINT)HKEY_SPECIAL_ROOT_LAST - (UINT)HKEY_SPECIAL_ROOT_FIRST + 1)
static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS];
static const WCHAR name_CLASSES_ROOT[] =
{'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'C','l','a','s','s','e','s',0};
static const WCHAR name_LOCAL_MACHINE[] =
{'M','a','c','h','i','n','e',0};
static const WCHAR name_USERS[] =
{'U','s','e','r',0};
static const WCHAR name_PERFORMANCE_DATA[] =
{'P','e','r','f','D','a','t','a',0};
static const WCHAR name_CURRENT_CONFIG[] =
{'M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'H','a','r','d','w','a','r','e','P','r','o','f','i','l','e','s','\\',
'C','u','r','r','e','n','t',0};
static const WCHAR name_DYN_DATA[] =
{'D','y','n','D','a','t','a',0};
#define DECL_STR(key) { sizeof(name_##key)-sizeof(WCHAR), sizeof(name_##key), (LPWSTR)name_##key }
static UNICODE_STRING root_key_names[NB_SPECIAL_ROOT_KEYS] =
{
DECL_STR(CLASSES_ROOT),
{ 0, 0, NULL }, /* HKEY_CURRENT_USER is determined dynamically */
DECL_STR(LOCAL_MACHINE),
DECL_STR(USERS),
DECL_STR(PERFORMANCE_DATA),
DECL_STR(CURRENT_CONFIG),
DECL_STR(DYN_DATA)
};
#undef DECL_STR
/* check if value type needs string conversion (Ansi<->Unicode) */
inline static int is_string( DWORD type )
{
return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ);
}
/* create one of the HKEY_* special root keys */
static HKEY create_special_root_hkey( HKEY hkey, DWORD access )
{
HKEY ret = 0;
int idx = (UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST;
if (hkey == HKEY_CURRENT_USER)
{
if (RtlOpenCurrentUser( access, &hkey )) return 0;
}
else
{
OBJECT_ATTRIBUTES attr;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &root_key_names[idx];
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (NtCreateKey( &hkey, access, &attr, 0, NULL, 0, NULL )) return 0;
}
if (!(ret = InterlockedCompareExchangePointer( (PVOID) &special_root_keys[idx], hkey, 0 )))
ret = hkey;
else
NtClose( hkey ); /* somebody beat us to it */
return ret;
}
/* map the hkey from special root to normal key if necessary */
inline static HKEY get_special_root_hkey( HKEY hkey )
{
HKEY ret = hkey;
if ((hkey >= HKEY_SPECIAL_ROOT_FIRST) && (hkey <= HKEY_SPECIAL_ROOT_LAST))
{
if (!(ret = special_root_keys[(UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST]))
ret = create_special_root_hkey( hkey, KEY_ALL_ACCESS );
}
return ret;
}
/******************************************************************************
* VMM_RegCreateKeyA
*/
static DWORD VMM_RegCreateKeyA( HKEY hkey, LPCSTR name, PHKEY retkey )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
ANSI_STRING nameA;
NTSTATUS status;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
{
status = NtCreateKey( retkey, KEY_ALL_ACCESS, &attr, 0, NULL,
REG_OPTION_NON_VOLATILE, NULL );
RtlFreeUnicodeString( &nameW );
}
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* VMM_RegOpenKeyExA
*/
DWORD WINAPI VMM_RegOpenKeyExA(HKEY hkey, LPCSTR name, DWORD reserved, REGSAM access, PHKEY retkey)
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
STRING nameA;
NTSTATUS status;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
attr.Length = sizeof(attr);
attr.RootDirectory = hkey;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
{
status = NtOpenKey( retkey, access, &attr );
RtlFreeUnicodeString( &nameW );
}
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* VMM_RegCloseKey
*/
static DWORD VMM_RegCloseKey( HKEY hkey )
{
if (!hkey || hkey >= (HKEY)0x80000000) return ERROR_SUCCESS;
return RtlNtStatusToDosError( NtClose( hkey ) );
}
/******************************************************************************
* VMM_RegDeleteKeyA
*/
static DWORD VMM_RegDeleteKeyA( HKEY hkey, LPCSTR name )
{
DWORD ret;
HKEY tmp;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
if (!name || !*name) return RtlNtStatusToDosError( NtDeleteKey( hkey ) );
if (!(ret = VMM_RegOpenKeyExA( hkey, name, 0, 0, &tmp )))
{
ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
NtClose( tmp );
}
return ret;
}
/******************************************************************************
* VMM_RegSetValueExA
*/
static DWORD VMM_RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type,
CONST BYTE *data, DWORD count )
{
UNICODE_STRING nameW;
ANSI_STRING nameA;
WCHAR *dataW = NULL;
NTSTATUS status;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
if (is_string(type))
{
DWORD lenW;
if (count)
{
/* if user forgot to count terminating null, add it (yes NT does this) */
if (data[count-1] && !data[count]) count++;
}
RtlMultiByteToUnicodeSize( &lenW, data, count );
if (!(dataW = HeapAlloc( GetProcessHeap(), 0, lenW ))) return ERROR_OUTOFMEMORY;
RtlMultiByteToUnicodeN( dataW, lenW, NULL, data, count );
count = lenW;
data = (BYTE *)dataW;
}
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
{
status = NtSetValueKey( hkey, &nameW, 0, type, data, count );
RtlFreeUnicodeString( &nameW );
}
if (dataW) HeapFree( GetProcessHeap(), 0, dataW );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* VMM_RegSetValueA
*/
static DWORD VMM_RegSetValueA( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
{
HKEY subkey = hkey;
DWORD ret;
if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
if (name && name[0]) /* need to create the subkey */
{
if ((ret = VMM_RegCreateKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
}
ret = VMM_RegSetValueExA( subkey, NULL, 0, REG_SZ, (LPBYTE)data, strlen(data)+1 );
if (subkey != hkey) NtClose( subkey );
return ret;
}
/******************************************************************************
* VMM_RegDeleteValueA
*/
static DWORD VMM_RegDeleteValueA( HKEY hkey, LPCSTR name )
{
UNICODE_STRING nameW;
STRING nameA;
NTSTATUS status;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
RtlInitAnsiString( &nameA, name );
if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
{
status = NtDeleteValueKey( hkey, &nameW );
RtlFreeUnicodeString( &nameW );
}
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* VMM_RegQueryValueExA
*/
static DWORD VMM_RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type,
LPBYTE data, LPDWORD count )
{
NTSTATUS status;
ANSI_STRING nameA;
UNICODE_STRING nameW;
DWORD total_size;
char buffer[256], *buf_ptr = buffer;
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
RtlInitAnsiString( &nameA, name );
if ((status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE )))
return RtlNtStatusToDosError(status);
status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
buffer, sizeof(buffer), &total_size );
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
/* we need to fetch the contents for a string type even if not requested,
* because we need to compute the length of the ASCII string. */
if (data || is_string(info->Type))
{
/* retry with a dynamically allocated buffer */
while (status == STATUS_BUFFER_OVERFLOW)
{
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
{
status = STATUS_NO_MEMORY;
goto done;
}
info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
status = NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation,
buf_ptr, total_size, &total_size );
}
if (!status)
{
if (is_string(info->Type))
{
DWORD len = WideCharToMultiByte( CP_ACP, 0, (WCHAR *)(buf_ptr + info_size),
(total_size - info_size) /sizeof(WCHAR),
NULL, 0, NULL, NULL );
if (data && len)
{
if (len > *count) status = STATUS_BUFFER_OVERFLOW;
else
{
WideCharToMultiByte( CP_ACP, 0, (WCHAR *)(buf_ptr + info_size),
(total_size - info_size) /sizeof(WCHAR),
data, len, NULL, NULL );
/* if the type is REG_SZ and data is not 0-terminated
* and there is enough space in the buffer NT appends a \0 */
if (len < *count && data[len-1]) data[len] = 0;
}
}
total_size = len + info_size;
}
else if (data)
{
if (total_size - info_size > *count) status = STATUS_BUFFER_OVERFLOW;
else memcpy( data, buf_ptr + info_size, total_size - info_size );
}
}
else if (status != STATUS_BUFFER_OVERFLOW) goto done;
}
if (type) *type = info->Type;
if (count) *count = total_size - info_size;
done:
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
RtlFreeUnicodeString( &nameW );
return RtlNtStatusToDosError(status);
}
/******************************************************************************
* VMM_RegQueryValueA
*/
static DWORD VMM_RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
{
DWORD ret;
HKEY subkey = hkey;
if (name && name[0])
{
if ((ret = VMM_RegOpenKeyExA( hkey, name, 0, KEY_ALL_ACCESS, &subkey )) != ERROR_SUCCESS)
return ret;
}
ret = VMM_RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, count );
if (subkey != hkey) NtClose( subkey );
if (ret == ERROR_FILE_NOT_FOUND)
{
/* return empty string if default value not found */
if (data) *data = 0;
if (count) *count = 1;
ret = ERROR_SUCCESS;
}
return ret;
}
/******************************************************************************
* VMM_RegEnumValueA
*/
static DWORD VMM_RegEnumValueA( HKEY hkey, DWORD index, LPSTR value, LPDWORD val_count,
LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count )
{
NTSTATUS status;
DWORD total_size;
char buffer[256], *buf_ptr = buffer;
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
TRACE("(%p,%ld,%p,%p,%p,%p,%p,%p)\n",
hkey, index, value, val_count, reserved, type, data, count );
/* NT only checks count, not val_count */
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
if (data) total_size += *count;
total_size = min( sizeof(buffer), total_size );
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
buffer, total_size, &total_size );
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
/* we need to fetch the contents for a string type even if not requested,
* because we need to compute the length of the ASCII string. */
if (value || data || is_string(info->Type))
{
/* retry with a dynamically allocated buffer */
while (status == STATUS_BUFFER_OVERFLOW)
{
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
return ERROR_NOT_ENOUGH_MEMORY;
info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
buf_ptr, total_size, &total_size );
}
if (status) goto done;
if (is_string(info->Type))
{
DWORD len;
RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->DataOffset),
total_size - info->DataOffset );
if (data && len)
{
if (len > *count) status = STATUS_BUFFER_OVERFLOW;
else
{
RtlUnicodeToMultiByteN( data, len, NULL, (WCHAR *)(buf_ptr + info->DataOffset),
total_size - info->DataOffset );
/* if the type is REG_SZ and data is not 0-terminated
* and there is enough space in the buffer NT appends a \0 */
if (len < *count && data[len-1]) data[len] = 0;
}
}
info->DataLength = len;
}
else if (data)
{
if (total_size - info->DataOffset > *count) status = STATUS_BUFFER_OVERFLOW;
else memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset );
}
if (value && !status)
{
DWORD len;
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
if (len >= *val_count)
{
status = STATUS_BUFFER_OVERFLOW;
if (*val_count)
{
len = *val_count - 1;
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
value[len] = 0;
}
}
else
{
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
value[len] = 0;
*val_count = len;
}
}
}
else status = STATUS_SUCCESS;
if (type) *type = info->Type;
if (count) *count = info->DataLength;
done:
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError(status);
}
/******************************************************************************
* VMM_RegEnumKeyA
*/
static DWORD VMM_RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
{
NTSTATUS status;
char buffer[256], *buf_ptr = buffer;
KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
DWORD total_size;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
buffer, sizeof(buffer), &total_size );
while (status == STATUS_BUFFER_OVERFLOW)
{
/* retry with a dynamically allocated buffer */
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
return ERROR_NOT_ENOUGH_MEMORY;
info = (KEY_NODE_INFORMATION *)buf_ptr;
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
buf_ptr, total_size, &total_size );
}
if (!status)
{
DWORD len;
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
if (len >= name_len) status = STATUS_BUFFER_OVERFLOW;
else
{
RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength );
name[len] = 0;
}
}
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
return RtlNtStatusToDosError( status );
}
/******************************************************************************
* VMM_RegQueryInfoKeyA
*
* NOTE: This VxDCall takes only a subset of the parameters that the
* corresponding Win32 API call does. The implementation in Win95
* ADVAPI32 sets all output parameters not mentioned here to zero.
*/
static DWORD VMM_RegQueryInfoKeyA( HKEY hkey, LPDWORD subkeys, LPDWORD max_subkey,
LPDWORD values, LPDWORD max_value, LPDWORD max_data )
{
NTSTATUS status;
KEY_FULL_INFORMATION info;
DWORD total_size;
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
status = NtQueryKey( hkey, KeyFullInformation, &info, sizeof(info), &total_size );
if (status && status != STATUS_BUFFER_OVERFLOW) return RtlNtStatusToDosError( status );
if (subkeys) *subkeys = info.SubKeys;
if (max_subkey) *max_subkey = info.MaxNameLen;
if (values) *values = info.Values;
if (max_value) *max_value = info.MaxValueNameLen;
if (max_data) *max_data = info.MaxValueDataLen;
return ERROR_SUCCESS;
}
/***********************************************************************
* VxDCall_VMM
*/
static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context )
{
switch ( LOWORD(service) )
{
case 0x0011: /* RegOpenKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
PHKEY retkey = (PHKEY)stack32_pop( context );
return VMM_RegOpenKeyExA( hkey, lpszSubKey, 0, KEY_ALL_ACCESS, retkey );
}
case 0x0012: /* RegCreateKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
PHKEY retkey = (PHKEY)stack32_pop( context );
return VMM_RegCreateKeyA( hkey, lpszSubKey, retkey );
}
case 0x0013: /* RegCloseKey */
{
HKEY hkey = (HKEY)stack32_pop( context );
return VMM_RegCloseKey( hkey );
}
case 0x0014: /* RegDeleteKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
return VMM_RegDeleteKeyA( hkey, lpszSubKey );
}
case 0x0015: /* RegSetValue */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
DWORD dwType = (DWORD) stack32_pop( context );
LPCSTR lpszData = (LPCSTR)stack32_pop( context );
DWORD cbData = (DWORD) stack32_pop( context );
return VMM_RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData );
}
case 0x0016: /* RegDeleteValue */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPSTR lpszValue = (LPSTR)stack32_pop( context );
return VMM_RegDeleteValueA( hkey, lpszValue );
}
case 0x0017: /* RegQueryValue */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPSTR lpszSubKey = (LPSTR) stack32_pop( context );
LPSTR lpszData = (LPSTR) stack32_pop( context );
LPDWORD lpcbData = (LPDWORD)stack32_pop( context );
return VMM_RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData );
}
case 0x0018: /* RegEnumKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
DWORD iSubkey = (DWORD)stack32_pop( context );
LPSTR lpszName = (LPSTR)stack32_pop( context );
DWORD lpcchName = (DWORD)stack32_pop( context );
return VMM_RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName );
}
case 0x0019: /* RegEnumValue */
{
HKEY hkey = (HKEY) stack32_pop( context );
DWORD iValue = (DWORD) stack32_pop( context );
LPSTR lpszValue = (LPSTR) stack32_pop( context );
LPDWORD lpcchValue = (LPDWORD)stack32_pop( context );
LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
LPDWORD lpdwType = (LPDWORD)stack32_pop( context );
LPBYTE lpbData = (LPBYTE) stack32_pop( context );
LPDWORD lpcbData = (LPDWORD)stack32_pop( context );
return VMM_RegEnumValueA( hkey, iValue, lpszValue, lpcchValue,
lpReserved, lpdwType, lpbData, lpcbData );
}
case 0x001A: /* RegQueryValueEx */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPSTR lpszValue = (LPSTR) stack32_pop( context );
LPDWORD lpReserved = (LPDWORD)stack32_pop( context );
LPDWORD lpdwType = (LPDWORD)stack32_pop( context );
LPBYTE lpbData = (LPBYTE) stack32_pop( context );
LPDWORD lpcbData = (LPDWORD)stack32_pop( context );
return VMM_RegQueryValueExA( hkey, lpszValue, lpReserved,
lpdwType, lpbData, lpcbData );
}
case 0x001B: /* RegSetValueEx */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPSTR lpszValue = (LPSTR) stack32_pop( context );
DWORD dwReserved = (DWORD) stack32_pop( context );
DWORD dwType = (DWORD) stack32_pop( context );
LPBYTE lpbData = (LPBYTE)stack32_pop( context );
DWORD cbData = (DWORD) stack32_pop( context );
return VMM_RegSetValueExA( hkey, lpszValue, dwReserved,
dwType, lpbData, cbData );
}
case 0x001C: /* RegFlushKey */
{
HKEY hkey = (HKEY)stack32_pop( context );
FIXME( "RegFlushKey(%p): stub\n", hkey );
return ERROR_SUCCESS;
}
case 0x001D: /* RegQueryInfoKey */
{
/* NOTE: This VxDCall takes only a subset of the parameters that the
corresponding Win32 API call does. The implementation in Win95
ADVAPI32 sets all output parameters not mentioned here to zero. */
HKEY hkey = (HKEY) stack32_pop( context );
LPDWORD lpcSubKeys = (LPDWORD)stack32_pop( context );
LPDWORD lpcchMaxSubKey = (LPDWORD)stack32_pop( context );
LPDWORD lpcValues = (LPDWORD)stack32_pop( context );
LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context );
LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context );
return VMM_RegQueryInfoKeyA( hkey, lpcSubKeys, lpcchMaxSubKey,
lpcValues, lpcchMaxValueName, lpcchMaxValueData );
}
case 0x0021: /* RegLoadKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
LPCSTR lpszFile = (LPCSTR)stack32_pop( context );
FIXME("RegLoadKey(%p,%s,%s): stub\n",hkey, debugstr_a(lpszSubKey), debugstr_a(lpszFile));
return ERROR_SUCCESS;
}
case 0x0022: /* RegUnLoadKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
FIXME("RegUnLoadKey(%p,%s): stub\n",hkey, debugstr_a(lpszSubKey));
return ERROR_SUCCESS;
}
case 0x0023: /* RegSaveKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszFile = (LPCSTR)stack32_pop( context );
LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context );
FIXME("RegSaveKey(%p,%s,%p): stub\n",hkey, debugstr_a(lpszFile),sa);
return ERROR_SUCCESS;
}
#if 0 /* Functions are not yet implemented in misc/registry.c */
case 0x0024: /* RegRemapPreDefKey */
case 0x0026: /* RegQueryMultipleValues */
#endif
case 0x0027: /* RegReplaceKey */
{
HKEY hkey = (HKEY) stack32_pop( context );
LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context );
LPCSTR lpszNewFile= (LPCSTR)stack32_pop( context );
LPCSTR lpszOldFile= (LPCSTR)stack32_pop( context );
FIXME("RegReplaceKey(%p,%s,%s,%s): stub\n", hkey, debugstr_a(lpszSubKey),
debugstr_a(lpszNewFile),debugstr_a(lpszOldFile));
return ERROR_SUCCESS;
}
case 0x0000: /* PageReserve */
{
LPVOID address;
LPVOID ret;
DWORD psize = getpagesize();
ULONG page = (ULONG) stack32_pop( context );
ULONG npages = (ULONG) stack32_pop( context );
ULONG flags = (ULONG) stack32_pop( context );
TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n",
page, npages, flags );
if ( page == PR_SYSTEM ) {
ERR("Can't reserve ring 1 memory\n");
return -1;
}
/* FIXME: This has to be handled separately for the separate
address-spaces we now have */
if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0;
/* FIXME: Handle flags in some way */
address = (LPVOID )(page * psize);
ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 );
TRACE("PageReserve: returning: %08lx\n", (DWORD )ret );
if ( ret == NULL )
return -1;
else
return (DWORD )ret;
}
case 0x0001: /* PageCommit */
{
LPVOID address;
LPVOID ret;
DWORD virt_perm;
DWORD psize = getpagesize();
ULONG page = (ULONG) stack32_pop( context );
ULONG npages = (ULONG) stack32_pop( context );
ULONG hpd = (ULONG) stack32_pop( context );
ULONG pagerdata = (ULONG) stack32_pop( context );
ULONG flags = (ULONG) stack32_pop( context );
TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: "
"%08lx, flags: %08lx partial stub\n",
page, npages, hpd, pagerdata, flags );
if ( flags & PC_USER )
if ( flags & PC_WRITEABLE )
virt_perm = PAGE_EXECUTE_READWRITE;
else
virt_perm = PAGE_EXECUTE_READ;
else
virt_perm = PAGE_NOACCESS;
address = (LPVOID )(page * psize);
ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm );
TRACE("PageCommit: Returning: %08lx\n", (DWORD )ret );
return (DWORD )ret;
}
case 0x0002: /* PageDecommit */
{
LPVOID address;
BOOL ret;
DWORD psize = getpagesize();
ULONG page = (ULONG) stack32_pop( context );
ULONG npages = (ULONG) stack32_pop( context );
ULONG flags = (ULONG) stack32_pop( context );
TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n",
page, npages, flags );
address = (LPVOID )( page * psize );
ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT );
TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" );
return ret;
}
case 0x000d: /* PageModifyPermissions */
{
DWORD pg_old_perm;
DWORD pg_new_perm;
DWORD virt_old_perm;
DWORD virt_new_perm;
MEMORY_BASIC_INFORMATION mbi;
LPVOID address;
DWORD psize = getpagesize();
ULONG page = stack32_pop ( context );
ULONG npages = stack32_pop ( context );
ULONG permand = stack32_pop ( context );
ULONG permor = stack32_pop ( context );
TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n",
page, npages, permand, permor );
address = (LPVOID )( page * psize );
VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION ));
virt_old_perm = mbi.Protect;
switch ( virt_old_perm & mbi.Protect ) {
case PAGE_READONLY:
case PAGE_EXECUTE:
case PAGE_EXECUTE_READ:
pg_old_perm = PC_USER;
break;
case PAGE_READWRITE:
case PAGE_WRITECOPY:
case PAGE_EXECUTE_READWRITE:
case PAGE_EXECUTE_WRITECOPY:
pg_old_perm = PC_USER | PC_WRITEABLE;
break;
case PAGE_NOACCESS:
default:
pg_old_perm = 0;
break;
}
pg_new_perm = pg_old_perm;
pg_new_perm &= permand & ~PC_STATIC;
pg_new_perm |= permor & ~PC_STATIC;
virt_new_perm = ( virt_old_perm ) & ~0xff;
if ( pg_new_perm & PC_USER )
{
if ( pg_new_perm & PC_WRITEABLE )
virt_new_perm |= PAGE_EXECUTE_READWRITE;
else
virt_new_perm |= PAGE_EXECUTE_READ;
}
if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) {
ERR("Can't change page permissions for %08lx\n", (DWORD )address );
return 0xffffffff;
}
TRACE("Returning: %08lx\n", pg_old_perm );
return pg_old_perm;
}
case 0x000a: /* PageFree */
{
BOOL ret;
LPVOID hmem = (LPVOID) stack32_pop( context );
DWORD flags = (DWORD ) stack32_pop( context );
TRACE("PageFree: hmem: %08lx, flags: %08lx partial stub\n",
(DWORD )hmem, flags );
ret = VirtualFree ( hmem, 0, MEM_RELEASE );
context->Eax = ret;
TRACE("Returning: %d\n", ret );
return 0;
}
case 0x001e: /* GetDemandPageInfo */
{
DWORD dinfo = (DWORD)stack32_pop( context );
DWORD flags = (DWORD)stack32_pop( context );
/* GetDemandPageInfo is supposed to fill out the struct at
* "dinfo" with various low-level memory management information.
* Apps are certainly not supposed to call this, although it's
* demoed and documented by Pietrek on pages 441-443 of "Windows
* 95 System Programming Secrets" if any program needs a real
* implementation of this.
*/
FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags);
return 0;
}
default:
if (LOWORD(service) < N_VMM_SERVICE)
FIXME( "Unimplemented service %s (%08lx)\n",
VMM_Service_Name[LOWORD(service)], service);
else
FIXME( "Unknown service %08lx\n", service);
break;
}
return 0xffffffff; /* FIXME */
}
/***********************************************************************
* DeviceIo_IFSMgr
* NOTES
* These ioctls are used by 'MSNET32.DLL'.
*
* I have been unable to uncover any documentation about the ioctls so
* the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
* based on reasonable guesses on information found in the Windows 95 DDK.
*
*/
/*
* IFSMgr DeviceIO service
*/
#define IFS_IOCTL_21 100
#define IFS_IOCTL_2F 101
#define IFS_IOCTL_GET_RES 102
#define IFS_IOCTL_GET_NETPRO_NAME_A 103
struct win32apireq {
unsigned long ar_proid;
unsigned long ar_eax;
unsigned long ar_ebx;
unsigned long ar_ecx;
unsigned long ar_edx;
unsigned long ar_esi;
unsigned long ar_edi;
unsigned long ar_ebp;
unsigned short ar_error;
unsigned short ar_pad;
};
static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT86 *pCxt)
{
memset(pCxt,0,sizeof(*pCxt));
pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
pCxt->Eax = pIn->ar_eax;
pCxt->Ebx = pIn->ar_ebx;
pCxt->Ecx = pIn->ar_ecx;
pCxt->Edx = pIn->ar_edx;
pCxt->Esi = pIn->ar_esi;
pCxt->Edi = pIn->ar_edi;
/* FIXME: Only partial CONTEXT86_CONTROL */
pCxt->Ebp = pIn->ar_ebp;
/* FIXME: pIn->ar_proid ignored */
/* FIXME: pIn->ar_error ignored */
/* FIXME: pIn->ar_pad ignored */
}
static void CONTEXT_2_win32apieq(CONTEXT86 *pCxt,struct win32apireq *pOut)
{
memset(pOut,0,sizeof(struct win32apireq));
pOut->ar_eax = pCxt->Eax;
pOut->ar_ebx = pCxt->Ebx;
pOut->ar_ecx = pCxt->Ecx;
pOut->ar_edx = pCxt->Edx;
pOut->ar_esi = pCxt->Esi;
pOut->ar_edi = pCxt->Edi;
/* FIXME: Only partial CONTEXT86_CONTROL */
pOut->ar_ebp = pCxt->Ebp;
/* FIXME: pOut->ar_proid ignored */
/* FIXME: pOut->ar_error ignored */
/* FIXME: pOut->ar_pad ignored */
}
static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
BOOL retv = TRUE;
TRACE("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
dwIoControlCode,
lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,
lpcbBytesReturned,
lpOverlapped);
switch (dwIoControlCode)
{
case IFS_IOCTL_21:
case IFS_IOCTL_2F:{
CONTEXT86 cxt;
struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
TRACE(
"Control '%s': "
"proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
"edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
"error=0x%04x, pad=0x%04x\n",
(dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
pIn->ar_error, pIn->ar_pad
);
win32apieq_2_CONTEXT(pIn,&cxt);
if(dwIoControlCode==IFS_IOCTL_21)
{
if(Dosvm.CallBuiltinHandler || DPMI_LoadDosSystem())
Dosvm.CallBuiltinHandler( &cxt, 0x21 );
}
else
{
if(Dosvm.CallBuiltinHandler || DPMI_LoadDosSystem())
Dosvm.CallBuiltinHandler( &cxt, 0x2f );
}
CONTEXT_2_win32apieq(&cxt,pOut);
retv = TRUE;
} break;
case IFS_IOCTL_GET_RES:{
FIXME( "Control 'IFS_IOCTL_GET_RES' not implemented\n");
retv = FALSE;
} break;
case IFS_IOCTL_GET_NETPRO_NAME_A:{
FIXME( "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
retv = FALSE;
} break;
default:
FIXME( "Control %ld not implemented\n", dwIoControlCode);
retv = FALSE;
}
return retv;
}
/********************************************************************************
* VxDCall_VWin32
*
* Service numbers taken from page 448 of Pietrek's "Windows 95 System
* Programming Secrets". Parameters from experimentation on real Win98.
*
*/
static DWORD VxDCall_VWin32( DWORD service, CONTEXT86 *context )
{
switch ( LOWORD(service) )
{
case 0x0000: /* GetVersion */
{
DWORD vers = GetVersion();
return (LOBYTE(vers) << 8) | HIBYTE(vers);
}
break;
case 0x0020: /* Get VMCPD Version */
{
DWORD parm = (DWORD) stack32_pop(context);
FIXME("Get VMCPD Version(%08lx): partial stub!\n", parm);
/* FIXME: This is what Win98 returns, it may
* not be correct in all situations.
* It makes Bleem! happy though.
*/
return 0x0405;
}
case 0x0029: /* Int31/DPMI dispatch */
{
DWORD callnum = (DWORD) stack32_pop(context);
DWORD parm = (DWORD) stack32_pop(context);
TRACE("Int31/DPMI dispatch(%08lx)\n", callnum);
SET_AX( context, callnum );
SET_CX( context, parm );
if(Dosvm.CallBuiltinHandler || DPMI_LoadDosSystem())
Dosvm.CallBuiltinHandler( context, 0x31 );
return LOWORD(context->Eax);
}
break;
case 0x002a: /* Int41 dispatch - parm = int41 service number */
{
DWORD callnum = (DWORD) stack32_pop(context);
return callnum; /* FIXME: should really call INT_Int41Handler() */
}
break;
default:
FIXME("Unknown VWin32 service %08lx\n", service);
break;
}
return 0xffffffff;
}
/***********************************************************************
* DeviceIo_VCD
*/
static BOOL DeviceIo_VCD(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
BOOL retv = TRUE;
switch (dwIoControlCode)
{
case IOCTL_SERIAL_LSRMST_INSERT:
{
FIXME( "IOCTL_SERIAL_LSRMST_INSERT NIY !\n");
retv = FALSE;
}
break;
default:
FIXME( "Unknown Control %ld\n", dwIoControlCode);
retv = FALSE;
break;
}
return retv;
}
/***********************************************************************
* DeviceIo_VWin32
*/
static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
{
memset( pCxt, 0, sizeof(*pCxt) );
/* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
will interpret 32-bit register contents as linear pointers */
pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
pCxt->Eax = pIn->reg_EAX;
pCxt->Ebx = pIn->reg_EBX;
pCxt->Ecx = pIn->reg_ECX;
pCxt->Edx = pIn->reg_EDX;
pCxt->Esi = pIn->reg_ESI;
pCxt->Edi = pIn->reg_EDI;
/* FIXME: Only partial CONTEXT86_CONTROL */
pCxt->EFlags = pIn->reg_Flags;
}
static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
{
memset( pOut, 0, sizeof(DIOC_REGISTERS) );
pOut->reg_EAX = pCxt->Eax;
pOut->reg_EBX = pCxt->Ebx;
pOut->reg_ECX = pCxt->Ecx;
pOut->reg_EDX = pCxt->Edx;
pOut->reg_ESI = pCxt->Esi;
pOut->reg_EDI = pCxt->Edi;
/* FIXME: Only partial CONTEXT86_CONTROL */
pOut->reg_Flags = pCxt->EFlags;
}
#define DIOC_AH(regs) (((unsigned char*)&((regs)->reg_EAX))[1])
#define DIOC_AL(regs) (((unsigned char*)&((regs)->reg_EAX))[0])
#define DIOC_BH(regs) (((unsigned char*)&((regs)->reg_EBX))[1])
#define DIOC_BL(regs) (((unsigned char*)&((regs)->reg_EBX))[0])
#define DIOC_DH(regs) (((unsigned char*)&((regs)->reg_EDX))[1])
#define DIOC_DL(regs) (((unsigned char*)&((regs)->reg_EDX))[0])
#define DIOC_AX(regs) (((unsigned short*)&((regs)->reg_EAX))[0])
#define DIOC_BX(regs) (((unsigned short*)&((regs)->reg_EBX))[0])
#define DIOC_CX(regs) (((unsigned short*)&((regs)->reg_ECX))[0])
#define DIOC_DX(regs) (((unsigned short*)&((regs)->reg_EDX))[0])
#define DIOC_SET_CARRY(regs) (((regs)->reg_Flags)|=0x00000001)
static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
BOOL retv = TRUE;
switch (dwIoControlCode)
{
case VWIN32_DIOC_DOS_IOCTL:
case 0x10: /* Int 0x21 call, call it VWIN_DIOC_INT21 ? */
case VWIN32_DIOC_DOS_INT13:
case VWIN32_DIOC_DOS_INT25:
case VWIN32_DIOC_DOS_INT26:
case 0x29: /* Int 0x31 call, call it VWIN_DIOC_INT31 ? */
case VWIN32_DIOC_DOS_DRIVEINFO:
{
CONTEXT86 cxt;
DIOC_REGISTERS *pIn = (DIOC_REGISTERS *)lpvInBuffer;
DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
BYTE intnum = 0;
TRACE( "Control '%s': "
"eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
"edx=0x%08lx, esi=0x%08lx, edi=0x%08lx \n",
(dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" :
(dwIoControlCode == VWIN32_DIOC_DOS_DRIVEINFO)? "VWIN32_DIOC_DOS_DRIVEINFO" : "???",
pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
DIOCRegs_2_CONTEXT( pIn, &cxt );
switch (dwIoControlCode)
{
case VWIN32_DIOC_DOS_IOCTL: /* Call int 21h */
case 0x10: /* Int 0x21 call, call it VWIN_DIOC_INT21 ? */
case VWIN32_DIOC_DOS_DRIVEINFO: /* Call int 21h 730x */
intnum = 0x21;
break;
case VWIN32_DIOC_DOS_INT13:
intnum = 0x13;
break;
case VWIN32_DIOC_DOS_INT25:
intnum = 0x25;
break;
case VWIN32_DIOC_DOS_INT26:
intnum = 0x26;
break;
case 0x29: /* Int 0x31 call, call it VWIN_DIOC_INT31 ? */
intnum = 0x31;
break;
}
if(Dosvm.CallBuiltinHandler || DPMI_LoadDosSystem())
Dosvm.CallBuiltinHandler( &cxt, intnum );
CONTEXT_2_DIOCRegs( &cxt, pOut );
}
break;
case VWIN32_DIOC_SIMCTRLC:
FIXME( "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
retv = FALSE;
break;
default:
FIXME( "Unknown Control %ld\n", dwIoControlCode);
retv = FALSE;
break;
}
return retv;
}
/* this is the main multimedia device loader */
static BOOL DeviceIo_MMDEVLDR(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
dwIoControlCode,
lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,
lpcbBytesReturned,
lpOverlapped
);
switch (dwIoControlCode) {
case 5:
/* Hmm. */
*(DWORD*)lpvOutBuffer=0;
*lpcbBytesReturned=4;
return TRUE;
}
return FALSE;
}
/* this is used by some Origin games */
static BOOL DeviceIo_MONODEBG(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
switch (dwIoControlCode) {
case 1: /* version */
*(LPDWORD)lpvOutBuffer = 0x20004; /* WC SecretOps */
break;
case 9: /* debug output */
ERR("MONODEBG: %s\n",debugstr_a(lpvInBuffer));
break;
default:
FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
dwIoControlCode,
lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,
lpcbBytesReturned,
lpOverlapped
);
break;
}
return TRUE;
}
/* pccard */
static BOOL DeviceIo_PCCARD (DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
switch (dwIoControlCode) {
case 0x0000: /* PCCARD_Get_Version */
case 0x0001: /* PCCARD_Card_Services */
default:
FIXME( "(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
dwIoControlCode,
lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,
lpcbBytesReturned,
lpOverlapped
);
break;
}
return FALSE;
}
/***********************************************************************
* OpenVxDHandle (KERNEL32.@)
*
* This function is supposed to return the corresponding Ring 0
* ("kernel") handle for a Ring 3 handle in Win9x.
* Evidently, Wine will have problems with this. But we try anyway,
* maybe it helps...
*/
HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
{
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
return hHandleRing3;
}
static BOOL DeviceIo_HASP(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
BOOL retv = TRUE;
FIXME("(%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
dwIoControlCode,
lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,
lpcbBytesReturned,
lpOverlapped);
return retv;
}