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Create real file handles for VxDs instead of using the server device

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object hack (partly based on a patch by Eric Pouech).
This commit is contained in:
Alexandre Julliard 2004-02-20 05:22:20 +00:00
parent 64d68b106a
commit 4d984fd9c1
5 changed files with 246 additions and 354 deletions
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1
dlls/kernel/Makefile.in
View File

@ -33,7 +33,6 @@ C_SRCS = \
console.c \
cpu.c \
debugger.c \
device.c \
dosmem.c \
editline.c \
environ.c \

350
dlls/kernel/device.c
View File

@ -1,350 +0,0 @@
/*
* 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>
#include <sys/types.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#include "ntstatus.h"
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winerror.h"
#include "winnls.h"
#include "file.h"
#include "kernel_private.h"
#include "wine/server.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
/*
* VxD names are taken from the Win95 DDK
*/
struct VxDInfo
{
LPCSTR name;
WORD id;
HMODULE module;
BOOL (*deviceio)(DWORD, LPVOID, DWORD,
LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
};
static struct VxDInfo VxDList[] =
{
/* Standard VxD IDs */
{ "VMM", 0x0001, NULL, 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, NULL },
{ "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, NULL, NULL },
{ "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, NULL },
{ "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, NULL },
{ "MMDEVLDR", 0x044A, NULL, NULL },
/* 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, NULL },
{ "HASP95", 0x3721, NULL, NULL },
/* WINE additions, ids unknown */
{ "MONODEBG", 0x4242, NULL, NULL },
{ NULL, 0, NULL, NULL }
};
HANDLE DEVICE_Open( LPCWSTR filenameW, DWORD access, LPSECURITY_ATTRIBUTES sa )
{
static const WCHAR dotVxDW[] = {'.','v','x','d',0};
struct VxDInfo *info;
WCHAR *p, buffer[16];
char filename[32];
if (strlenW( filenameW ) >= sizeof(buffer)/sizeof(WCHAR) - 4 ||
strchrW( filenameW, '/' ) || strchrW( filenameW, '\\' ))
{
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
strcpyW( buffer, filenameW );
p = strchrW( buffer, '.' );
if (!p) strcatW( buffer, dotVxDW );
else if (strcmpiW( p, dotVxDW )) /* existing extension has to be .vxd */
{
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
if (!WideCharToMultiByte(CP_ACP, 0, buffer, -1, filename, sizeof(filename), NULL, NULL))
{
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
for (info = VxDList; info->name; info++)
if (!strncasecmp( info->name, filename, strlen(info->name) ))
{
if (!info->module)
{
info->module = LoadLibraryW( buffer );
if (info->module)
info->deviceio = (void *)GetProcAddress( info->module, "DeviceIoControl" );
}
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
{
NTSTATUS status;
if (lpOverlapped)
{
status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
NULL, NULL,
(PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode,
lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (status) SetLastError(RtlNtStatusToDosError(status));
if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
return !status;
}
else
{
IO_STATUS_BLOCK iosb;
status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode,
lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (status) SetLastError(RtlNtStatusToDosError(status));
if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
return !status;
}
}
return FALSE;
}

243
dlls/kernel/vxd.c
View File

@ -28,6 +28,7 @@
# include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <stdarg.h>
@ -40,11 +41,198 @@
#include "winnt.h"
#include "winternl.h"
#include "wine/winbase16.h"
#include "file.h"
#include "kernel_private.h"
#include "wine/unicode.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(vxd);
typedef BOOL (WINAPI *DeviceIoProc)(DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
struct vxd_module
{
dev_t dev;
ino_t ino;
HANDLE handle;
HMODULE module;
DeviceIoProc proc;
};
#define MAX_VXD_MODULES 32
static struct vxd_module vxd_modules[MAX_VXD_MODULES];
static CRITICAL_SECTION vxd_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &vxd_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": vxd_section") }
};
static CRITICAL_SECTION vxd_section = { &critsect_debug, -1, 0, 0, 0, 0 };
/* create a file handle to represent a VxD, by opening a dummy file in the wineserver directory */
static HANDLE open_vxd_handle( LPCWSTR name )
{
const char *dir = wine_get_server_dir();
char *unix_name;
int len1, len2;
HANDLE ret;
len1 = strlen( dir );
len2 = WideCharToMultiByte( CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL);
if (!(unix_name = HeapAlloc( GetProcessHeap(), 0, len1 + len2 + 1 )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return 0;
}
strcpy( unix_name, dir );
unix_name[len1] = '/';
WideCharToMultiByte( CP_UNIXCP, 0, name, -1, unix_name + len1 + 1, len2, NULL, NULL);
ret = FILE_CreateFile( unix_name, 0, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_ALWAYS, 0, 0, TRUE, DRIVE_FIXED );
HeapFree( GetProcessHeap(), 0, unix_name );
return ret;
}
/* retrieve the DeviceIoControl function for a Vxd given a file handle */
static DeviceIoProc get_vxd_proc( HANDLE handle )
{
struct stat st;
DeviceIoProc ret = NULL;
int status, i, fd;
status = wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return NULL;
}
if (fstat( fd, &st ) == -1)
{
wine_server_release_fd( handle, fd );
SetLastError( ERROR_INVALID_HANDLE );
return NULL;
}
RtlEnterCriticalSection( &vxd_section );
for (i = 0; i < MAX_VXD_MODULES; i++)
{
if (!vxd_modules[i].module) break;
if (vxd_modules[i].dev == st.st_dev && vxd_modules[i].ino == st.st_ino)
{
if (!(ret = vxd_modules[i].proc)) SetLastError( ERROR_INVALID_FUNCTION );
goto done;
}
}
/* FIXME: Here we could go through the directory to find the VxD name and load it. */
/* Let's wait to find out if there are actually apps out there that try to share */
/* VxD handles between processes, before we go to the trouble of implementing it. */
ERR( "handle %p not found in module list, inherited from another process?\n", handle );
done:
RtlLeaveCriticalSection( &vxd_section );
return ret;
}
/* load a VxD and return a file handle to it */
HANDLE VXD_Open( LPCWSTR filenameW, DWORD access, SECURITY_ATTRIBUTES *sa )
{
static const WCHAR dotVxDW[] = {'.','v','x','d',0};
int i;
HANDLE handle;
HMODULE module;
WCHAR *p, name[16];
if (!(GetVersion() & 0x80000000)) /* there are no VxDs on NT */
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
/* normalize the filename */
if (strlenW( filenameW ) >= sizeof(name)/sizeof(WCHAR) - 4 ||
strchrW( filenameW, '/' ) || strchrW( filenameW, '\\' ))
{
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
strcpyW( name, filenameW );
strlwrW( name );
p = strchrW( name, '.' );
if (!p) strcatW( name, dotVxDW );
else if (strcmpW( p, dotVxDW )) /* existing extension has to be .vxd */
{
SetLastError( ERROR_FILE_NOT_FOUND );
return 0;
}
/* try to load the module first */
if (!(module = LoadLibraryW( name )))
{
FIXME( "Unknown/unsupported VxD %s. Try setting Windows version to 'nt40' or 'win31'.\n",
debugstr_w(name) );
return 0;
}
/* register the module in the global list if necessary */
RtlEnterCriticalSection( &vxd_section );
for (i = 0; i < MAX_VXD_MODULES; i++)
{
if (vxd_modules[i].module == module)
{
handle = vxd_modules[i].handle;
goto done; /* already registered */
}
if (!vxd_modules[i].module) /* new one, register it */
{
struct stat st;
int fd;
/* get a file handle to the dummy file */
if (!(handle = open_vxd_handle( name )))
{
FreeLibrary( module );
goto done;
}
wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL );
if (fstat( fd, &st ) != -1)
{
vxd_modules[i].dev = st.st_dev;
vxd_modules[i].ino = st.st_ino;
}
vxd_modules[i].module = module;
vxd_modules[i].handle = handle;
vxd_modules[i].proc = (DeviceIoProc)GetProcAddress( module, "DeviceIoControl" );
wine_server_release_fd( handle, fd );
goto done;
}
}
ERR("too many open VxD modules, please report\n" );
CloseHandle( handle );
FreeLibrary( module );
handle = 0;
done:
RtlLeaveCriticalSection( &vxd_section );
if (!DuplicateHandle( GetCurrentProcess(), handle, GetCurrentProcess(), &handle, 0,
(sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle),
DUP_HANDLE_SAME_ACCESS ))
handle = 0;
return handle;
}
/*
* VMM VxDCall service names are (mostly) taken from Stan Mitchell's
* "Inside the Windows 95 File System"
@ -1164,3 +1352,58 @@ HANDLE WINAPI OpenVxDHandle(HANDLE hHandleRing3)
FIXME( "(%p), stub! (returning Ring 3 handle instead of Ring 0)\n", hHandleRing3);
return hHandleRing3;
}
/****************************************************************************
* 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)
{
NTSTATUS status;
TRACE( "(%p,%lx,%p,%ld,%p,%ld,%p,%p)\n",
hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped );
/* Check if this is a user defined control code for a VxD */
if( HIWORD( dwIoControlCode ) == 0 )
{
DeviceIoProc proc = get_vxd_proc( hDevice );
if (proc) return proc( dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer, lpcbBytesReturned, lpOverlapped );
return FALSE;
}
/* Not a VxD, let ntdll handle it */
if (lpOverlapped)
{
status = NtDeviceIoControlFile(hDevice, lpOverlapped->hEvent,
NULL, NULL, (PIO_STATUS_BLOCK)lpOverlapped,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = lpOverlapped->InternalHigh;
}
else
{
IO_STATUS_BLOCK iosb;
status = NtDeviceIoControlFile(hDevice, NULL, NULL, NULL, &iosb,
dwIoControlCode, lpvInBuffer, cbInBuffer,
lpvOutBuffer, cbOutBuffer);
if (lpcbBytesReturned) *lpcbBytesReturned = iosb.Information;
}
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}

2
files/file.c
View File

@ -397,7 +397,7 @@ HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
}
else if (!DOSFS_GetDevice( filename ))
{
ret = DEVICE_Open( filename+4, access, sa );
ret = VXD_Open( filename+4, access, sa );
goto done;
}
else

4
include/file.h
View File

@ -97,7 +97,7 @@ extern BOOL DOSFS_FindUnixName( const DOS_FULL_NAME *path, LPCWSTR name, char *l
extern BOOL DOSFS_GetFullName( LPCWSTR name, BOOL check_last,
DOS_FULL_NAME *full );
/* win32/device.c */
extern HANDLE DEVICE_Open( LPCWSTR filename, DWORD access, LPSECURITY_ATTRIBUTES sa );
/* vxd.c */
extern HANDLE VXD_Open( LPCWSTR filename, DWORD access, LPSECURITY_ATTRIBUTES sa );
#endif /* __WINE_FILE_H */