ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Changed handling of special DOS devices to use real file handles 

instead of the server device object.
This commit is contained in:
Alexandre Julliard 2004-02-24 01:07:52 +00:00
parent 9ffce00940
commit 16de1f7aff
1 changed files with 246 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

295
dlls/winedos/int21.c
View File

@ -28,6 +28,7 @@
#include <stdarg.h>
#include <stdio.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
@ -42,6 +43,7 @@
#include "winerror.h"
#include "winuser.h"
#include "wine/unicode.h"
#include "wine/server.h"
#include "wine/debug.h"
#include "wine/exception.h"
@ -246,6 +248,29 @@ typedef struct
#define EL_Memory 0x05
struct magic_device
{
WCHAR name[10];
HANDLE handle;
dev_t dev;
ino_t ino;
void (*ioctl_handler)(CONTEXT86 *);
};
static void INT21_IoctlScsiMgrHandler( CONTEXT86 * );
static void INT21_IoctlEMSHandler( CONTEXT86 * );
static void INT21_IoctlHPScanHandler( CONTEXT86 * );
static struct magic_device magic_devices[] =
{
{ {'s','c','s','i','m','g','r','$',0}, NULL, 0, 0, INT21_IoctlScsiMgrHandler },
{ {'e','m','m','x','x','x','x','0',0}, NULL, 0, 0, INT21_IoctlEMSHandler },
{ {'h','p','s','c','a','n',0}, NULL, 0, 0, INT21_IoctlHPScanHandler },
};
#define NB_MAGIC_DEVICES (sizeof(magic_devices)/sizeof(magic_devices[0]))
/* Many calls translate a drive argument like this:
drive number (00h = default, 01h = A:, etc)
*/
@ -769,6 +794,88 @@ static BOOL INT21_SetCurrentDirectory( CONTEXT86 *context )
return result;
}
/***********************************************************************
* INT21_CreateMagicDeviceHandle
*
* Create a dummy file handle for a "magic" device.
*/
static HANDLE INT21_CreateMagicDeviceHandle( LPCWSTR name )
{
const char *dir = wine_get_server_dir();
char *unix_name;
int len1, len2;
HANDLE ret = 0;
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);
SERVER_START_REQ( create_file )
{
req->access = GENERIC_READ|GENERIC_WRITE;
req->inherit = 0;
req->sharing = FILE_SHARE_READ|FILE_SHARE_WRITE;
req->create = OPEN_ALWAYS;
req->attrs = 0;
req->removable = 0;
wine_server_add_data( req, unix_name, strlen(unix_name) );
SetLastError(0);
if (!wine_server_call_err( req )) ret = reply->handle;
}
SERVER_END_REQ;
HeapFree( GetProcessHeap(), 0, unix_name );
return ret;
}
/***********************************************************************
* INT21_OpenMagicDevice
*
* Open a file handle for "magic" devices like EMMXXXX0.
*/
static HANDLE INT21_OpenMagicDevice( LPCWSTR name, DWORD access )
{
int i;
const WCHAR *p;
HANDLE handle;
if (name[0] && (name[1] == ':')) name += 2;
if ((p = strrchrW( name, '/' ))) name = p + 1;
if ((p = strrchrW( name, '\\' ))) name = p + 1;
for (i = 0; i < NB_MAGIC_DEVICES; i++)
{
int len = strlenW( magic_devices[i].name );
if (!strncmpiW( magic_devices[i].name, name, len ) &&
(!name[len] || name[len] == '.' || name[len] == ':')) break;
}
if (i == NB_MAGIC_DEVICES) return 0;
if (!magic_devices[i].handle) /* need to open it */
{
int fd;
struct stat st;
if (!(handle = INT21_CreateMagicDeviceHandle( magic_devices[i].name ))) return 0;
wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL );
fstat( fd, &st );
wine_server_release_fd( handle, fd );
magic_devices[i].dev = st.st_dev;
magic_devices[i].ino = st.st_ino;
magic_devices[i].handle = handle;
}
if (!DuplicateHandle( GetCurrentProcess(), magic_devices[i].handle,
GetCurrentProcess(), &handle, access, FALSE, 0 )) handle = 0;
return handle;
}
/***********************************************************************
* INT21_CreateFile
@ -924,38 +1031,45 @@ static BOOL INT21_CreateFile( CONTEXT86 *context,
*/
MultiByteToWideChar(CP_OEMCP, 0, pathA, -1, pathW, MAX_PATH);
winHandle = CreateFileW( pathW, winAccess, winSharing, NULL,
winMode, winAttributes, 0 );
if (winHandle == INVALID_HANDLE_VALUE)
return FALSE;
/*
* Determine DOS file status.
*
* 1 = file opened
* 2 = file created
* 3 = file replaced
*/
switch(winMode)
if ((winHandle = INT21_OpenMagicDevice( pathW, winAccess )))
{
case OPEN_EXISTING:
dosStatus = 1;
break;
case TRUNCATE_EXISTING:
dosStatus = 3;
break;
case CREATE_NEW:
dosStatus = 2;
break;
case OPEN_ALWAYS:
dosStatus = (GetLastError() == ERROR_ALREADY_EXISTS) ? 1 : 2;
break;
case CREATE_ALWAYS:
dosStatus = (GetLastError() == ERROR_ALREADY_EXISTS) ? 3 : 2;
break;
default:
dosStatus = 0;
}
else
{
winHandle = CreateFileW( pathW, winAccess, winSharing, NULL,
winMode, winAttributes, 0 );
if (winHandle == INVALID_HANDLE_VALUE)
return FALSE;
/*
* Determine DOS file status.
*
* 1 = file opened
* 2 = file created
* 3 = file replaced
*/
switch(winMode)
{
case OPEN_EXISTING:
dosStatus = 1;
break;
case TRUNCATE_EXISTING:
dosStatus = 3;
break;
case CREATE_NEW:
dosStatus = 2;
break;
case OPEN_ALWAYS:
dosStatus = (GetLastError() == ERROR_ALREADY_EXISTS) ? 1 : 2;
break;
case CREATE_ALWAYS:
dosStatus = (GetLastError() == ERROR_ALREADY_EXISTS) ? 3 : 2;
break;
default:
dosStatus = 0;
}
}
/*
@ -2437,6 +2551,82 @@ static void INT21_Ioctl_Block( CONTEXT86 *context )
}
/***********************************************************************
* INT21_IoctlScsiMgrHandler
*
* IOCTL handler for the SCSIMGR device.
*/
static void INT21_IoctlScsiMgrHandler( CONTEXT86 *context )
{
switch (AL_reg(context))
{
case 0x00: /* GET DEVICE INFORMATION */
SET_DX( context, 0xc0c0 );
break;
case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
DOSVM_ASPIHandler(context);
break;
case 0x0a: /* CHECK IF HANDLE IS REMOTE */
SET_DX( context, 0 );
break;
case 0x01: /* SET DEVICE INFORMATION */
case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
case 0x06: /* GET INPUT STATUS */
case 0x07: /* GET OUTPUT STATUS */
case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
default:
INT_BARF( context, 0x21 );
break;
}
}
/***********************************************************************
* INT21_IoctlEMSHandler
*
* IOCTL handler for the EMXXXX0 device.
*/
static void INT21_IoctlEMSHandler( CONTEXT86 *context )
{
EMS_Ioctl_Handler(context);
}
/***********************************************************************
* INT21_IoctlHPScanHandler
*
* IOCTL handler for the HPSCAN device.
*/
static void INT21_IoctlHPScanHandler( CONTEXT86 *context )
{
switch (AL_reg(context))
{
case 0x00: /* GET DEVICE INFORMATION */
SET_DX( context, 0xc0c0 );
break;
case 0x0a: /* CHECK IF HANDLE IS REMOTE */
SET_DX( context, 0 );
break;
case 0x01: /* SET DEVICE INFORMATION */
case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
case 0x06: /* GET INPUT STATUS */
case 0x07: /* GET OUTPUT STATUS */
case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
default:
INT_BARF( context, 0x21 );
break;
}
}
/***********************************************************************
* INT21_Ioctl_Char
*
@ -2444,29 +2634,38 @@ static void INT21_Ioctl_Block( CONTEXT86 *context )
*/
static void INT21_Ioctl_Char( CONTEXT86 *context )
{
static const WCHAR emmxxxx0W[] = {'E','M','M','X','X','X','X','0',0};
static const WCHAR scsimgrW[] = {'S','C','S','I','M','G','R','$',0};
struct stat st;
int status, i, fd;
HANDLE handle = DosFileHandleToWin32Handle(BX_reg(context));
const DOS_DEVICE *dev = DOSFS_GetDeviceByHandle(handle);
if (dev && !strcmpiW( dev->name, emmxxxx0W ))
status = wine_server_handle_to_fd( handle, 0, &fd, NULL, NULL );
if (status)
{
EMS_Ioctl_Handler(context);
SET_AX( context, RtlNtStatusToDosError(status) );
SET_CFLAG( context );
return;
}
fstat( fd, &st );
wine_server_release_fd( handle, fd );
if (dev && !strcmpiW( dev->name, scsimgrW ) && AL_reg(context) == 2)
for (i = 0; i < NB_MAGIC_DEVICES; i++)
{
DOSVM_ASPIHandler(context);
return;
if (!magic_devices[i].handle) continue;
if (magic_devices[i].dev == st.st_dev && magic_devices[i].ino == st.st_ino)
{
/* found it */
magic_devices[i].ioctl_handler( context );
return;
}
}
/* no magic device found, do default handling */
switch (AL_reg(context))
{
case 0x00: /* GET DEVICE INFORMATION */
TRACE( "IOCTL - GET DEVICE INFORMATION - %d\n", BX_reg(context) );
if (dev)
if (S_ISCHR(st.st_mode))
{
/*
* Returns attribute word in DX:
@ -2483,7 +2682,7 @@ static void INT21_Ioctl_Char( CONTEXT86 *context )
* Bit 1 - Standard output.
* Bit 0 - Standard input.
*/
SET_DX( context, dev->flags );
SET_DX( context, 0x80c0 /* FIXME */ );
}
else
{
@ -2505,14 +2704,6 @@ static void INT21_Ioctl_Char( CONTEXT86 *context )
}
break;
case 0x01: /* SET DEVICE INFORMATION */
case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
case 0x06: /* GET INPUT STATUS */
case 0x07: /* GET OUTPUT STATUS */
INT_BARF( context, 0x21 );
break;
case 0x0a: /* CHECK IF HANDLE IS REMOTE */
TRACE( "IOCTL - CHECK IF HANDLE IS REMOTE - %d\n", BX_reg(context) );
/*
@ -2525,10 +2716,16 @@ static void INT21_Ioctl_Char( CONTEXT86 *context )
SET_DX( context, 0 );
break;
case 0x01: /* SET DEVICE INFORMATION */
case 0x02: /* READ FROM CHARACTER DEVICE CONTROL CHANNEL */
case 0x03: /* WRITE TO CHARACTER DEVICE CONTROL CHANNEL */
case 0x06: /* GET INPUT STATUS */
case 0x07: /* GET OUTPUT STATUS */
case 0x0c: /* GENERIC CHARACTER DEVICE REQUEST */
case 0x10: /* QUERY GENERIC IOCTL CAPABILITY */
default:
INT_BARF( context, 0x21 );
break;
}
}