git.oblomov.eu Git - wine/blob - win32/device.c

   1 /*
   2  * Win32 device functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 1998 Ulrich Weigand
   6  * Copyright 1998 Patrik Stridvall
   7  *
   8  */
   9
  10 #include <errno.h>
  11 #include <assert.h>
  12 #include <stdlib.h>
  13 #include <unistd.h>
  14 #include <sys/types.h>
  15 #include <sys/stat.h>
  16 #include <sys/mman.h>
  17 #include <fcntl.h>
  18 #include <string.h>
  19 #include <time.h>
  20 #include "windows.h"
  21 #include "winbase.h"
  22 #include "winerror.h"
  23 #include "file.h"
  24 #include "process.h"
  25 #include "mmsystem.h"
  26 #include "heap.h"
  27 #include "debug.h"
  28 #include "winioctl.h"
  29 #include "stackframe.h"
  30 #include "winnt.h"
  31 #include "msdos.h"
  32 #include "miscemu.h"
  33
  34 static void DEVICE_Destroy(K32OBJ *dev);
  35 const K32OBJ_OPS DEVICE_Ops =
  36 {
  37     NULL,               /* signaled */
  38     NULL,               /* satisfied */
  39     NULL,               /* add_wait */
  40     NULL,               /* remove_wait */
  41     NULL,               /* read */
  42     NULL,               /* write */
  43     DEVICE_Destroy      /* destroy */
  44 };
  45
  46 /* The device object */
  47 typedef struct
  48 {
  49     K32OBJ    header;
  50
  51     struct VxDInfo *info;
  52     char     *devname;
  53     int       mode;
  54
  55 } DEVICE_OBJECT;
  56
  57
  58 static BOOL32 DeviceIo_VTDAPI(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
  59                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  60                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  61                               LPDWORD lpcbBytesReturned,
  62                               LPOVERLAPPED lpOverlapped);
  63
  64 static BOOL32 VxDCall_VMM( DWORD *retv, DWORD service, CONTEXT *context );
  65
  66 static BOOL32 DeviceIo_IFSMgr(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
  67                               LPVOID lpvInBuffer, DWORD cbInBuffer,
  68                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
  69                               LPDWORD lpcbBytesReturned,
  70                               LPOVERLAPPED lpOverlapped);
  71
  72 /*
  73  * VxD names are taken from the Win95 DDK
  74  */
  75
  76 struct VxDInfo
  77 {
  78     LPCSTR  name;
  79     WORD    id;
  80     BOOL32  (*vxdcall)(DWORD *, DWORD, CONTEXT *);
  81     BOOL32  (*deviceio)(DEVICE_OBJECT *, DWORD, LPVOID, DWORD,
  82                         LPVOID, DWORD, LPDWORD, LPOVERLAPPED);
  83 }
  84     VxDList[] =
  85 {
  86     /* Standard VxD IDs */
  87     { "VMM",      0x0001, VxDCall_VMM, NULL },
  88     { "DEBUG",    0x0002, NULL, NULL },
  89     { "VPICD",    0x0003, NULL, NULL },
  90     { "VDMAD",    0x0004, NULL, NULL },
  91     { "VTD",      0x0005, NULL, NULL },
  92     { "V86MMGR",  0x0006, NULL, NULL },
  93     { "PAGESWAP", 0x0007, NULL, NULL },
  94     { "PARITY",   0x0008, NULL, NULL },
  95     { "REBOOT",   0x0009, NULL, NULL },
  96     { "VDD",      0x000A, NULL, NULL },
  97     { "VSD",      0x000B, NULL, NULL },
  98     { "VMD",      0x000C, NULL, NULL },
  99     { "VKD",      0x000D, NULL, NULL },
 100     { "VCD",      0x000E, NULL, NULL },
 101     { "VPD",      0x000F, NULL, NULL },
 102     { "BLOCKDEV", 0x0010, NULL, NULL },
 103     { "VMCPD",    0x0011, NULL, NULL },
 104     { "EBIOS",    0x0012, NULL, NULL },
 105     { "BIOSXLAT", 0x0013, NULL, NULL },
 106     { "VNETBIOS", 0x0014, NULL, NULL },
 107     { "DOSMGR",   0x0015, NULL, NULL },
 108     { "WINLOAD",  0x0016, NULL, NULL },
 109     { "SHELL",    0x0017, NULL, NULL },
 110     { "VMPOLL",   0x0018, NULL, NULL },
 111     { "VPROD",    0x0019, NULL, NULL },
 112     { "DOSNET",   0x001A, NULL, NULL },
 113     { "VFD",      0x001B, NULL, NULL },
 114     { "VDD2",     0x001C, NULL, NULL },
 115     { "WINDEBUG", 0x001D, NULL, NULL },
 116     { "TSRLOAD",  0x001E, NULL, NULL },
 117     { "BIOSHOOK", 0x001F, NULL, NULL },
 118     { "INT13",    0x0020, NULL, NULL },
 119     { "PAGEFILE", 0x0021, NULL, NULL },
 120     { "SCSI",     0x0022, NULL, NULL },
 121     { "MCA_POS",  0x0023, NULL, NULL },
 122     { "SCSIFD",   0x0024, NULL, NULL },
 123     { "VPEND",    0x0025, NULL, NULL },
 124     { "VPOWERD",  0x0026, NULL, NULL },
 125     { "VXDLDR",   0x0027, NULL, NULL },
 126     { "NDIS",     0x0028, NULL, NULL },
 127     { "BIOS_EXT", 0x0029, NULL, NULL },
 128     { "VWIN32",   0x002A, NULL, NULL },
 129     { "VCOMM",    0x002B, NULL, NULL },
 130     { "SPOOLER",  0x002C, NULL, NULL },
 131     { "WIN32S",   0x002D, NULL, NULL },
 132     { "DEBUGCMD", 0x002E, NULL, NULL },
 133
 134     { "VNB",      0x0031, NULL, NULL },
 135     { "SERVER",   0x0032, NULL, NULL },
 136     { "CONFIGMG", 0x0033, NULL, NULL },
 137     { "DWCFGMG",  0x0034, NULL, NULL },
 138     { "SCSIPORT", 0x0035, NULL, NULL },
 139     { "VFBACKUP", 0x0036, NULL, NULL },
 140     { "ENABLE",   0x0037, NULL, NULL },
 141     { "VCOND",    0x0038, NULL, NULL },
 142
 143     { "EFAX",     0x003A, NULL, NULL },
 144     { "DSVXD",    0x003B, NULL, NULL },
 145     { "ISAPNP",   0x003C, NULL, NULL },
 146     { "BIOS",     0x003D, NULL, NULL },
 147     { "WINSOCK",  0x003E, NULL, NULL },
 148     { "WSOCK",    0x003E, NULL, NULL },
 149     { "WSIPX",    0x003F, NULL, NULL },
 150     { "IFSMgr",   0x0040, NULL, DeviceIo_IFSMgr },
 151     { "VCDFSD",   0x0041, NULL, NULL },
 152     { "MRCI2",    0x0042, NULL, NULL },
 153     { "PCI",      0x0043, NULL, NULL },
 154     { "PELOADER", 0x0044, NULL, NULL },
 155     { "EISA",     0x0045, NULL, NULL },
 156     { "DRAGCLI",  0x0046, NULL, NULL },
 157     { "DRAGSRV",  0x0047, NULL, NULL },
 158     { "PERF",     0x0048, NULL, NULL },
 159     { "AWREDIR",  0x0049, NULL, NULL },
 160
 161     /* Far East support */
 162     { "ETEN",     0x0060, NULL, NULL },
 163     { "CHBIOS",   0x0061, NULL, NULL },
 164     { "VMSGD",    0x0062, NULL, NULL },
 165     { "VPPID",    0x0063, NULL, NULL },
 166     { "VIME",     0x0064, NULL, NULL },
 167     { "VHBIOSD",  0x0065, NULL, NULL },
 168
 169     /* Multimedia OEM IDs */
 170     { "VTDAPI",   0x0442, NULL, DeviceIo_VTDAPI },
 171
 172     /* Network Device IDs */
 173     { "VNetSup",  0x0480, NULL, NULL },
 174     { "VRedir",   0x0481, NULL, NULL },
 175     { "VBrowse",  0x0482, NULL, NULL },
 176     { "VSHARE",   0x0483, NULL, NULL },
 177     { "IFSMgr",   0x0484, NULL, NULL },
 178     { "MEMPROBE", 0x0485, NULL, NULL },
 179     { "VFAT",     0x0486, NULL, NULL },
 180     { "NWLINK",   0x0487, NULL, NULL },
 181     { "VNWLINK",  0x0487, NULL, NULL },
 182     { "NWSUP",    0x0487, NULL, NULL },
 183     { "VTDI",     0x0488, NULL, NULL },
 184     { "VIP",      0x0489, NULL, NULL },
 185     { "VTCP",     0x048A, NULL, NULL },
 186     { "VCache",   0x048B, NULL, NULL },
 187     { "VUDP",     0x048C, NULL, NULL },
 188     { "VAsync",   0x048D, NULL, NULL },
 189     { "NWREDIR",  0x048E, NULL, NULL },
 190     { "STAT80",   0x048F, NULL, NULL },
 191     { "SCSIPORT", 0x0490, NULL, NULL },
 192     { "FILESEC",  0x0491, NULL, NULL },
 193     { "NWSERVER", 0x0492, NULL, NULL },
 194     { "SECPROV",  0x0493, NULL, NULL },
 195     { "NSCL",     0x0494, NULL, NULL },
 196     { "WSTCP",    0x0495, NULL, NULL },
 197     { "NDIS2SUP", 0x0496, NULL, NULL },
 198     { "MSODISUP", 0x0497, NULL, NULL },
 199     { "Splitter", 0x0498, NULL, NULL },
 200     { "PPP",      0x0499, NULL, NULL },
 201     { "VDHCP",    0x049A, NULL, NULL },
 202     { "VNBT",     0x049B, NULL, NULL },
 203     { "LOGGER",   0x049D, NULL, NULL },
 204     { "EFILTER",  0x049E, NULL, NULL },
 205     { "FFILTER",  0x049F, NULL, NULL },
 206     { "TFILTER",  0x04A0, NULL, NULL },
 207     { "AFILTER",  0x04A1, NULL, NULL },
 208     { "IRLAMP",   0x04A2, NULL, NULL },
 209
 210     { NULL,       0,      NULL, NULL }
 211 };
 212
 213 /*
 214  * VMM VxDCall service names are (mostly) taken from Stan Mitchell's
 215  * "Inside the Windows 95 File System"
 216  */
 217
 218 #define N_VMM_SERVICE 41
 219
 220 LPCSTR VMM_Service_Name[N_VMM_SERVICE] =
 221 {
 222     "PageReserve",            /* 0x0000 */
 223     "PageCommit",             /* 0x0001 */
 224     "PageDecommit",           /* 0x0002 */
 225     "PagerRegister",          /* 0x0003 */
 226     "PagerQuery",             /* 0x0004 */
 227     "HeapAllocate",           /* 0x0005 */
 228     "ContextCreate",          /* 0x0006 */
 229     "ContextDestroy",         /* 0x0007 */
 230     "PageAttach",             /* 0x0008 */
 231     "PageFlush",              /* 0x0009 */
 232     "PageFree",               /* 0x000A */
 233     "ContextSwitch",          /* 0x000B */
 234     "HeapReAllocate",         /* 0x000C */
 235     "PageModifyPerm",         /* 0x000D */
 236     "PageQuery",              /* 0x000E */
 237     "GetCurrentContext",      /* 0x000F */
 238     "HeapFree",               /* 0x0010 */
 239     "RegOpenKey",             /* 0x0011 */
 240     "RegCreateKey",           /* 0x0012 */
 241     "RegCloseKey",            /* 0x0013 */
 242     "RegDeleteKey",           /* 0x0014 */
 243     "RegSetValue",            /* 0x0015 */
 244     "RegDeleteValue",         /* 0x0016 */
 245     "RegQueryValue",          /* 0x0017 */
 246     "RegEnumKey",             /* 0x0018 */
 247     "RegEnumValue",           /* 0x0019 */
 248     "RegQueryValueEx",        /* 0x001A */
 249     "RegSetValueEx",          /* 0x001B */
 250     "RegFlushKey",            /* 0x001C */
 251     "RegQueryInfoKey",        /* 0x001D */
 252     "GetDemandPageInfo",      /* 0x001E */
 253     "BlockOnID",              /* 0x001F */
 254     "SignalID",               /* 0x0020 */
 255     "RegLoadKey",             /* 0x0021 */
 256     "RegUnLoadKey",           /* 0x0022 */
 257     "RegSaveKey",             /* 0x0023 */
 258     "RegRemapPreDefKey",      /* 0x0024 */
 259     "PageChangePager",        /* 0x0025 */
 260     "RegQueryMultipleValues", /* 0x0026 */
 261     "RegReplaceKey",          /* 0x0027 */
 262     "<KERNEL32.101>"          /* 0x0028 -- What does this do??? */
 263 };
 264
 265 HANDLE32 DEVICE_Open(LPCSTR filename, DWORD access)
 266 {
 267         DEVICE_OBJECT *dev;
 268         HANDLE32 handle;
 269         int i;
 270
 271         dev = HeapAlloc( SystemHeap, 0, sizeof(DEVICE_OBJECT) );
 272         if (!dev) return INVALID_HANDLE_VALUE32;
 273
 274         dev->header.type = K32OBJ_DEVICE_IOCTL;
 275         dev->header.refcount = 1;
 276         dev->mode       = access;
 277         dev->devname    = HEAP_strdupA(SystemHeap,0,filename);
 278         dev->info       = NULL;
 279
 280         for (i = 0; VxDList[i].name; i++)
 281             if (!lstrcmpi32A(VxDList[i].name, filename))
 282                 break;
 283         if (VxDList[i].name)
 284             dev->info = &VxDList[i];
 285         else
 286             FIXME(win32, "Unknown VxD %s\n", filename);
 287
 288
 289         handle = HANDLE_Alloc( PROCESS_Current(), &(dev->header),
 290                                FILE_ALL_ACCESS | GENERIC_READ |
 291                                GENERIC_WRITE | GENERIC_EXECUTE /*FIXME*/, TRUE, -1 );
 292         /* If the allocation failed, the object is already destroyed */
 293         if (handle == INVALID_HANDLE_VALUE32) dev = NULL;
 294         return handle;
 295 }
 296
 297 static void DEVICE_Destroy(K32OBJ *obj)
 298 {
 299     DEVICE_OBJECT *dev = (DEVICE_OBJECT *)obj;
 300     assert( obj->type == K32OBJ_DEVICE_IOCTL );
 301
 302     if ( dev->devname )
 303     {
 304         HeapFree( SystemHeap, 0, dev->devname );
 305         dev->devname = NULL;
 306     }
 307
 308     obj->type = K32OBJ_UNKNOWN;
 309     HeapFree( SystemHeap, 0, dev );
 310 }
 311
 312 /****************************************************************************
 313  *              DeviceIoControl (KERNEL32.188)
 314  * This is one of those big ugly nasty procedure which can do
 315  * a million and one things when it comes to devices. It can also be
 316  * used for VxD communication.
 317  *
 318  * A return value of FALSE indicates that something has gone wrong which
 319  * GetLastError can decypher.
 320  */
 321 BOOL32 WINAPI DeviceIoControl(HANDLE32 hDevice, DWORD dwIoControlCode,
 322                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 323                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 324                               LPDWORD lpcbBytesReturned,
 325                               LPOVERLAPPED lpOverlapped)
 326 {
 327         DEVICE_OBJECT   *dev = (DEVICE_OBJECT *)HANDLE_GetObjPtr(
 328                 PROCESS_Current(), hDevice, K32OBJ_DEVICE_IOCTL, 0 /*FIXME*/, NULL );
 329
 330         TRACE(win32, "(%d,%ld,%p,%ld,%p,%ld,%p,%p)\n",
 331                 hDevice,dwIoControlCode,lpvInBuffer,cbInBuffer,
 332                 lpvOutBuffer,cbOutBuffer,lpcbBytesReturned,lpOverlapped
 333         );
 334
 335         if (!dev)
 336         {
 337                 SetLastError( ERROR_INVALID_PARAMETER );
 338                 return FALSE;
 339         }
 340
 341         /* Check if this is a user defined control code for a VxD */
 342         if( HIWORD( dwIoControlCode ) == 0 )
 343         {
 344                 if ( dev->info && dev->info->deviceio )
 345                 {
 346                         return dev->info->deviceio( dev, dwIoControlCode,
 347                                         lpvInBuffer, cbInBuffer,
 348                                         lpvOutBuffer, cbOutBuffer,
 349                                         lpcbBytesReturned, lpOverlapped );
 350                 }
 351                 else
 352                 {
 353                         /* FIXME: Set appropriate error */
 354                         FIXME( win32, "Unimplemented control %ld for VxD device %s\n",
 355                                           dwIoControlCode, dev->devname );
 356                 }
 357         }
 358         else
 359         {
 360                 switch( dwIoControlCode )
 361                 {
 362                 case FSCTL_DELETE_REPARSE_POINT:
 363                 case FSCTL_DISMOUNT_VOLUME:
 364                 case FSCTL_GET_COMPRESSION:
 365                 case FSCTL_GET_REPARSE_POINT:
 366                 case FSCTL_LOCK_VOLUME:
 367                 case FSCTL_QUERY_ALLOCATED_RANGES:
 368                 case FSCTL_SET_COMPRESSION:
 369                 case FSCTL_SET_REPARSE_POINT:
 370                 case FSCTL_SET_SPARSE:
 371                 case FSCTL_SET_ZERO_DATA:
 372                 case FSCTL_UNLOCK_VOLUME:
 373                 case IOCTL_DISK_CHECK_VERIFY:
 374                 case IOCTL_DISK_EJECT_MEDIA:
 375                 case IOCTL_DISK_FORMAT_TRACKS:
 376                 case IOCTL_DISK_GET_DRIVE_GEOMETRY:
 377                 case IOCTL_DISK_GET_DRIVE_LAYOUT:
 378                 case IOCTL_DISK_GET_MEDIA_TYPES:
 379                 case IOCTL_DISK_GET_PARTITION_INFO:
 380                 case IOCTL_DISK_LOAD_MEDIA:
 381                 case IOCTL_DISK_MEDIA_REMOVAL:
 382                 case IOCTL_DISK_PERFORMANCE:
 383                 case IOCTL_DISK_REASSIGN_BLOCKS:
 384                 case IOCTL_DISK_SET_DRIVE_LAYOUT:
 385                 case IOCTL_DISK_SET_PARTITION_INFO:
 386                 case IOCTL_DISK_VERIFY:
 387                 case IOCTL_SERIAL_LSRMST_INSERT:
 388                 case IOCTL_STORAGE_CHECK_VERIFY:
 389                 case IOCTL_STORAGE_EJECT_MEDIA:
 390                 case IOCTL_STORAGE_GET_MEDIA_TYPES:
 391                 case IOCTL_STORAGE_LOAD_MEDIA:
 392                 case IOCTL_STORAGE_MEDIA_REMOVAL:
 393                         FIXME( win32, "unimplemented dwIoControlCode=%08lx\n", dwIoControlCode);
 394                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 395                         return FALSE;
 396                         break;
 397                 default:
 398                         FIXME( win32, "ignored dwIoControlCode=%08lx\n",dwIoControlCode);
 399                         SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 400                         return FALSE;
 401                         break;
 402                 }
 403         }
 404         return FALSE;
 405 }
 406
 407 /***********************************************************************
 408  *           DeviceIo_VTDAPI
 409  */
 410 static BOOL32 DeviceIo_VTDAPI(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
 411                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 412                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 413                               LPDWORD lpcbBytesReturned,
 414                               LPOVERLAPPED lpOverlapped)
 415 {
 416     BOOL32 retv = TRUE;
 417
 418     switch (dwIoControlCode)
 419     {
 420     case 5:
 421         if (lpvOutBuffer && (cbOutBuffer>=4))
 422             *(DWORD*)lpvOutBuffer = timeGetTime();
 423
 424         if (lpcbBytesReturned)
 425             *lpcbBytesReturned = 4;
 426
 427         break;
 428
 429     default:
 430         FIXME(win32, "Control %ld not implemented\n", dwIoControlCode);
 431         retv = FALSE;
 432         break;
 433     }
 434
 435     return retv;
 436 }
 437
 438
 439
 440
 441
 442 /***********************************************************************
 443  *           VxDCall                   (KERNEL32.[1-9])
 444  */
 445 static void VxDCall( CONTEXT *context, int nArgs )
 446 {
 447     DWORD retv, service;
 448     int i, ok = FALSE;
 449
 450     /* Pop return address to caller */
 451     EIP_reg(context) = STACK32_POP(context);
 452
 453     /* Pop requested service ID */
 454     service = STACK32_POP(context);
 455
 456     TRACE(win32, "(%08lx, ...)\n", service);
 457
 458     for (i = 0; VxDList[i].name; i++)
 459         if (VxDList[i].id == HIWORD(service))
 460             break;
 461
 462     if (!VxDList[i].name)
 463         FIXME(win32, "Unknown VxD (%08lx)\n", service);
 464     else if (!VxDList[i].vxdcall)
 465         FIXME(win32, "Unimplemented VxD (%08lx)\n", service);
 466     else
 467         ok = VxDList[i].vxdcall(&retv, service, context);
 468
 469     /* If unimplemented, trust the caller to have called the
 470        version with the correct number of arguments */
 471     if (!ok)
 472     {
 473         ESP_reg(context) += 4 * nArgs;
 474         retv = 0xffffffff;  /* FIXME */
 475     }
 476
 477     /* Push return address back onto stack */
 478     STACK32_PUSH(context, EIP_reg(context));
 479
 480     /* Return to caller */
 481     EAX_reg(context) = retv;
 482 }
 483
 484 REGS_ENTRYPOINT(VxDCall0) { VxDCall( context, 0 ); }
 485 REGS_ENTRYPOINT(VxDCall1) { VxDCall( context, 1 ); }
 486 REGS_ENTRYPOINT(VxDCall2) { VxDCall( context, 2 ); }
 487 REGS_ENTRYPOINT(VxDCall3) { VxDCall( context, 3 ); }
 488 REGS_ENTRYPOINT(VxDCall4) { VxDCall( context, 4 ); }
 489 REGS_ENTRYPOINT(VxDCall5) { VxDCall( context, 5 ); }
 490 REGS_ENTRYPOINT(VxDCall6) { VxDCall( context, 6 ); }
 491 REGS_ENTRYPOINT(VxDCall7) { VxDCall( context, 7 ); }
 492 REGS_ENTRYPOINT(VxDCall8) { VxDCall( context, 8 ); }
 493
 494 /***********************************************************************
 495  *           VxDCall_VMM
 496  */
 497 BOOL32 VxDCall_VMM( DWORD *retv, DWORD service, CONTEXT *context )
 498 {
 499     BOOL32 ok = TRUE;
 500
 501     switch ( LOWORD(service) )
 502     {
 503     case 0x0011:  /* RegOpenKey */
 504     {
 505         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 506         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 507         LPHKEY  retkey     = (LPHKEY) STACK32_POP( context );
 508         *retv = RegOpenKey32A( hkey, lpszSubKey, retkey );
 509     }
 510     break;
 511
 512     case 0x0012:  /* RegCreateKey */
 513     {
 514         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 515         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 516         LPHKEY  retkey     = (LPHKEY) STACK32_POP( context );
 517         *retv = RegCreateKey32A( hkey, lpszSubKey, retkey );
 518     }
 519     break;
 520
 521     case 0x0013:  /* RegCloseKey */
 522     {
 523         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 524         *retv = RegCloseKey( hkey );
 525     }
 526     break;
 527
 528     case 0x0014:  /* RegDeleteKey */
 529     {
 530         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 531         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 532         *retv = RegDeleteKey32A( hkey, lpszSubKey );
 533     }
 534     break;
 535
 536     case 0x0015:  /* RegSetValue */
 537     {
 538         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 539         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 540         DWORD   dwType     = (DWORD)  STACK32_POP( context );
 541         LPCSTR  lpszData   = (LPCSTR) STACK32_POP( context );
 542         DWORD   cbData     = (DWORD)  STACK32_POP( context );
 543         *retv = RegSetValue32A( hkey, lpszSubKey, dwType, lpszData, cbData );
 544     }
 545     break;
 546
 547     case 0x0016:  /* RegDeleteValue */
 548     {
 549         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 550         LPSTR   lpszValue  = (LPSTR)  STACK32_POP( context );
 551         *retv = RegDeleteValue32A( hkey, lpszValue );
 552     }
 553     break;
 554
 555     case 0x0017:  /* RegQueryValue */
 556     {
 557         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 558         LPSTR   lpszSubKey = (LPSTR)  STACK32_POP( context );
 559         LPSTR   lpszData   = (LPSTR)  STACK32_POP( context );
 560         LPDWORD lpcbData   = (LPDWORD)STACK32_POP( context );
 561         *retv = RegQueryValue32A( hkey, lpszSubKey, lpszData, lpcbData );
 562     }
 563     break;
 564
 565     case 0x0018:  /* RegEnumKey */
 566     {
 567         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 568         DWORD   iSubkey    = (DWORD)  STACK32_POP( context );
 569         LPSTR   lpszName   = (LPSTR)  STACK32_POP( context );
 570         DWORD   lpcchName  = (DWORD)  STACK32_POP( context );
 571         *retv = RegEnumKey32A( hkey, iSubkey, lpszName, lpcchName );
 572     }
 573     break;
 574
 575     case 0x0019:  /* RegEnumValue */
 576     {
 577         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 578         DWORD   iValue     = (DWORD)  STACK32_POP( context );
 579         LPSTR   lpszValue  = (LPSTR)  STACK32_POP( context );
 580         LPDWORD lpcchValue = (LPDWORD)STACK32_POP( context );
 581         LPDWORD lpReserved = (LPDWORD)STACK32_POP( context );
 582         LPDWORD lpdwType   = (LPDWORD)STACK32_POP( context );
 583         LPBYTE  lpbData    = (LPBYTE) STACK32_POP( context );
 584         LPDWORD lpcbData   = (LPDWORD)STACK32_POP( context );
 585         *retv = RegEnumValue32A( hkey, iValue, lpszValue, lpcchValue,
 586                                  lpReserved, lpdwType, lpbData, lpcbData );
 587     }
 588     break;
 589
 590     case 0x001A:  /* RegQueryValueEx */
 591     {
 592         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 593         LPSTR   lpszValue  = (LPSTR)  STACK32_POP( context );
 594         LPDWORD lpReserved = (LPDWORD)STACK32_POP( context );
 595         LPDWORD lpdwType   = (LPDWORD)STACK32_POP( context );
 596         LPBYTE  lpbData    = (LPBYTE) STACK32_POP( context );
 597         LPDWORD lpcbData   = (LPDWORD)STACK32_POP( context );
 598         *retv = RegQueryValueEx32A( hkey, lpszValue, lpReserved,
 599                                     lpdwType, lpbData, lpcbData );
 600     }
 601     break;
 602
 603     case 0x001B:  /* RegSetValueEx */
 604     {
 605         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 606         LPSTR   lpszValue  = (LPSTR)  STACK32_POP( context );
 607         DWORD   dwReserved = (DWORD)  STACK32_POP( context );
 608         DWORD   dwType     = (DWORD)  STACK32_POP( context );
 609         LPBYTE  lpbData    = (LPBYTE) STACK32_POP( context );
 610         DWORD   cbData     = (DWORD)STACK32_POP( context );
 611         *retv = RegSetValueEx32A( hkey, lpszValue, dwReserved,
 612                                   dwType, lpbData, cbData );
 613     }
 614     break;
 615
 616     case 0x001C:  /* RegFlushKey */
 617     {
 618         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 619         *retv = RegFlushKey( hkey );
 620     }
 621     break;
 622
 623     case 0x001D:  /* RegQueryInfoKey */
 624     {
 625         /* NOTE: This VxDCall takes only a subset of the parameters that the
 626                  corresponding Win32 API call does. The implementation in Win95
 627                  ADVAPI32 sets all output parameters not mentioned here to zero. */
 628
 629         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 630         LPDWORD lpcSubKeys = (LPDWORD)STACK32_POP( context );
 631         LPDWORD lpcchMaxSubKey
 632                            = (LPDWORD)STACK32_POP( context );
 633         LPDWORD lpcValues  = (LPDWORD)STACK32_POP( context );
 634         LPDWORD lpcchMaxValueName
 635                            = (LPDWORD)STACK32_POP( context );
 636         LPDWORD lpcchMaxValueData
 637                            = (LPDWORD)STACK32_POP( context );
 638         *retv = RegQueryInfoKey32A( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey,
 639                                     NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData,
 640                                     NULL, NULL );
 641     }
 642     break;
 643
 644     case 0x0021:  /* RegLoadKey */
 645     {
 646         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 647         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 648         LPCSTR  lpszFile   = (LPCSTR) STACK32_POP( context );
 649         *retv = RegLoadKey32A( hkey, lpszSubKey, lpszFile );
 650     }
 651     break;
 652
 653     case 0x0022:  /* RegUnLoadKey */
 654     {
 655         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 656         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 657         *retv = RegUnLoadKey32A( hkey, lpszSubKey );
 658     }
 659     break;
 660
 661     case 0x0023:  /* RegSaveKey */
 662     {
 663         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 664         LPCSTR  lpszFile   = (LPCSTR) STACK32_POP( context );
 665         LPSECURITY_ATTRIBUTES sa =
 666                (LPSECURITY_ATTRIBUTES)STACK32_POP( context );
 667         *retv = RegSaveKey32A( hkey, lpszFile, sa );
 668     }
 669     break;
 670
 671 #if 0 /* Functions are not yet implemented in misc/registry.c */
 672     case 0x0024:  /* RegRemapPreDefKey */
 673     case 0x0026:  /* RegQueryMultipleValues */
 674 #endif
 675
 676     case 0x0027:  /* RegReplaceKey */
 677     {
 678         HKEY    hkey       = (HKEY)   STACK32_POP( context );
 679         LPCSTR  lpszSubKey = (LPCSTR) STACK32_POP( context );
 680         LPCSTR  lpszNewFile= (LPCSTR) STACK32_POP( context );
 681         LPCSTR  lpszOldFile= (LPCSTR) STACK32_POP( context );
 682         *retv = RegReplaceKey32A( hkey, lpszSubKey, lpszNewFile, lpszOldFile );
 683     }
 684     break;
 685
 686     default:
 687         if (LOWORD(service) < N_VMM_SERVICE)
 688             FIXME(win32, "Unimplemented service %s (%08lx)\n",
 689                           VMM_Service_Name[LOWORD(service)], service);
 690         else
 691             FIXME(win32, "Unknown service %08lx\n", service);
 692
 693         ok = FALSE;
 694         break;
 695     }
 696
 697     return ok;
 698 }
 699
 700 /***********************************************************************
 701  *           DeviceIo_IFSMgr
 702  * NOTES
 703  *   The ioctls is used by 'MSNET32.DLL'.
 704  *
 705  *   I have been unable to uncover any documentation about the ioctls so
 706  *   the implementation of the cases IFS_IOCTL_21 and IFS_IOCTL_2F are
 707  *   based on a resonable guesses on information found in the Windows 95 DDK.
 708  *
 709  */
 710
 711 /*
 712  * IFSMgr DeviceIO service
 713  */
 714
 715 #define IFS_IOCTL_21                100
 716 #define IFS_IOCTL_2F                101
 717 #define IFS_IOCTL_GET_RES           102
 718 #define IFS_IOCTL_GET_NETPRO_NAME_A 103
 719
 720 struct win32apireq {
 721         unsigned long   ar_proid;
 722         unsigned long   ar_eax;
 723         unsigned long   ar_ebx;
 724         unsigned long   ar_ecx;
 725         unsigned long   ar_edx;
 726         unsigned long   ar_esi;
 727         unsigned long   ar_edi;
 728         unsigned long   ar_ebp;
 729         unsigned short  ar_error;
 730         unsigned short  ar_pad;
 731 };
 732
 733 static void win32apieq_2_CONTEXT(struct win32apireq *pIn,CONTEXT *pCxt)
 734 {
 735         memset(pCxt,0,sizeof(CONTEXT));
 736
 737         pCxt->ContextFlags=CONTEXT_INTEGER|CONTEXT_CONTROL;
 738         pCxt->Eax = pIn->ar_eax;
 739         pCxt->Ebx = pIn->ar_ebx;
 740         pCxt->Ecx = pIn->ar_ecx;
 741         pCxt->Edx = pIn->ar_edx;
 742         pCxt->Esi = pIn->ar_esi;
 743         pCxt->Edi = pIn->ar_edi;
 744
 745         /* FIXME: Only partial CONTEXT_CONTROL */
 746         pCxt->Ebp = pIn->ar_ebp;
 747
 748         /* FIXME: pIn->ar_proid ignored */
 749         /* FIXME: pIn->ar_error ignored */
 750         /* FIXME: pIn->ar_pad ignored */
 751 }
 752
 753 static void CONTEXT_2_win32apieq(CONTEXT *pCxt,struct win32apireq *pOut)
 754 {
 755         memset(pOut,0,sizeof(struct win32apireq));
 756
 757         pOut->ar_eax = pCxt->Eax;
 758         pOut->ar_ebx = pCxt->Ebx;
 759         pOut->ar_ecx = pCxt->Ecx;
 760         pOut->ar_edx = pCxt->Edx;
 761         pOut->ar_esi = pCxt->Esi;
 762         pOut->ar_edi = pCxt->Edi;
 763
 764         /* FIXME: Only partial CONTEXT_CONTROL */
 765         pOut->ar_ebp = pCxt->Ebp;
 766
 767         /* FIXME: pOut->ar_proid ignored */
 768         /* FIXME: pOut->ar_error ignored */
 769         /* FIXME: pOut->ar_pad ignored */
 770 }
 771
 772 static BOOL32 DeviceIo_IFSMgr(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
 773                               LPVOID lpvInBuffer, DWORD cbInBuffer,
 774                               LPVOID lpvOutBuffer, DWORD cbOutBuffer,
 775                               LPDWORD lpcbBytesReturned,
 776                               LPOVERLAPPED lpOverlapped)
 777 {
 778     BOOL32 retv = TRUE;
 779         TRACE(win32,"(%p,%ld,%p,%ld,%p,%ld,%p,%p): stub\n",
 780                         dev,dwIoControlCode,
 781                         lpvInBuffer,cbInBuffer,
 782                         lpvOutBuffer,cbOutBuffer,
 783                         lpcbBytesReturned,
 784                         lpOverlapped);
 785
 786     switch (dwIoControlCode)
 787     {
 788         case IFS_IOCTL_21:
 789         case IFS_IOCTL_2F:{
 790                 CONTEXT cxt;
 791                 struct win32apireq *pIn=(struct win32apireq *) lpvInBuffer;
 792                 struct win32apireq *pOut=(struct win32apireq *) lpvOutBuffer;
 793
 794                 TRACE(win32,
 795                         "Control '%s': "
 796                         "proid=0x%08lx, eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
 797                         "edx=0x%08lx, esi=0x%08lx, edi=0x%08lx, ebp=0x%08lx, "
 798                         "error=0x%04x, pad=0x%04x\n",
 799                         (dwIoControlCode==IFS_IOCTL_21)?"IFS_IOCTL_21":"IFS_IOCTL_2F",
 800                         pIn->ar_proid, pIn->ar_eax, pIn->ar_ebx, pIn->ar_ecx,
 801                         pIn->ar_edx, pIn->ar_esi, pIn->ar_edi, pIn->ar_ebp,
 802                         pIn->ar_error, pIn->ar_pad
 803                 );
 804
 805                 win32apieq_2_CONTEXT(pIn,&cxt);
 806
 807                 if(dwIoControlCode==IFS_IOCTL_21)
 808                 {
 809                         DOS3Call(&cxt); /* Call int 21h */
 810                 } else {
 811                         INT_Int2fHandler(&cxt); /* Call int 2Fh */
 812                 }
 813
 814                 CONTEXT_2_win32apieq(&cxt,pOut);
 815
 816         retv = TRUE;
 817         } break;
 818         case IFS_IOCTL_GET_RES:{
 819         FIXME(win32, "Control 'IFS_IOCTL_GET_RES' not implemented\n");
 820         retv = FALSE;
 821         } break;
 822         case IFS_IOCTL_GET_NETPRO_NAME_A:{
 823         FIXME(win32, "Control 'IFS_IOCTL_GET_NETPRO_NAME_A' not implemented\n");
 824         retv = FALSE;
 825         } break;
 826     default:
 827         FIXME(win32, "Control %ld not implemented\n", dwIoControlCode);
 828         retv = FALSE;
 829     }
 830
 831     return retv;
 832 }