git.oblomov.eu Git - wine/blob - dlls/user32/winstation.c

   1 /*
   2  * Window stations and desktops
   3  *
   4  * Copyright 2002 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "ntstatus.h"
  22 #define WIN32_NO_STATUS
  23
  24 #include <stdarg.h>
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winnls.h"
  28 #include "winerror.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "wine/server.h"
  32 #include "wine/unicode.h"
  33 #include "wine/debug.h"
  34 #include "user_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(winstation);
  37
  38
  39 /* callback for enumeration functions */
  40 struct enum_proc_lparam
  41 {
  42     NAMEENUMPROCA func;
  43     LPARAM        lparam;
  44 };
  45
  46 static BOOL CALLBACK enum_names_WtoA( LPWSTR name, LPARAM lparam )
  47 {
  48     struct enum_proc_lparam *data = (struct enum_proc_lparam *)lparam;
  49     char buffer[MAX_PATH];
  50
  51     if (!WideCharToMultiByte( CP_ACP, 0, name, -1, buffer, sizeof(buffer), NULL, NULL ))
  52         return FALSE;
  53     return data->func( buffer, data->lparam );
  54 }
  55
  56
  57 /***********************************************************************
  58  *              CreateWindowStationA  (USER32.@)
  59  */
  60 HWINSTA WINAPI CreateWindowStationA( LPCSTR name, DWORD reserved, ACCESS_MASK access,
  61                                      LPSECURITY_ATTRIBUTES sa )
  62 {
  63     WCHAR buffer[MAX_PATH];
  64
  65     if (!name) return CreateWindowStationW( NULL, reserved, access, sa );
  66
  67     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
  68     {
  69         SetLastError( ERROR_FILENAME_EXCED_RANGE );
  70         return 0;
  71     }
  72     return CreateWindowStationW( buffer, reserved, access, sa );
  73 }
  74
  75
  76 /***********************************************************************
  77  *              CreateWindowStationW  (USER32.@)
  78  */
  79 HWINSTA WINAPI CreateWindowStationW( LPCWSTR name, DWORD reserved, ACCESS_MASK access,
  80                                      LPSECURITY_ATTRIBUTES sa )
  81 {
  82     HANDLE ret;
  83     DWORD len = name ? strlenW(name) : 0;
  84
  85     if (len >= MAX_PATH)
  86     {
  87         SetLastError( ERROR_FILENAME_EXCED_RANGE );
  88         return 0;
  89     }
  90     SERVER_START_REQ( create_winstation )
  91     {
  92         req->flags      = 0;
  93         req->access     = access;
  94         req->attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF |
  95                           ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
  96         wine_server_add_data( req, name, len * sizeof(WCHAR) );
  97         /* it doesn't seem to set last error */
  98         wine_server_call( req );
  99         ret = reply->handle;
 100     }
 101     SERVER_END_REQ;
 102     return ret;
 103 }
 104
 105
 106 /******************************************************************************
 107  *              OpenWindowStationA  (USER32.@)
 108  */
 109 HWINSTA WINAPI OpenWindowStationA( LPCSTR name, BOOL inherit, ACCESS_MASK access )
 110 {
 111     WCHAR buffer[MAX_PATH];
 112
 113     if (!name) return OpenWindowStationW( NULL, inherit, access );
 114
 115     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 116     {
 117         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 118         return 0;
 119     }
 120     return OpenWindowStationW( buffer, inherit, access );
 121 }
 122
 123
 124 /******************************************************************************
 125  *              OpenWindowStationW  (USER32.@)
 126  */
 127 HWINSTA WINAPI OpenWindowStationW( LPCWSTR name, BOOL inherit, ACCESS_MASK access )
 128 {
 129     HANDLE ret = 0;
 130     DWORD len = name ? strlenW(name) : 0;
 131     if (len >= MAX_PATH)
 132     {
 133         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 134         return 0;
 135     }
 136     SERVER_START_REQ( open_winstation )
 137     {
 138         req->access     = access;
 139         req->attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
 140         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 141         if (!wine_server_call_err( req )) ret = reply->handle;
 142     }
 143     SERVER_END_REQ;
 144     return ret;
 145 }
 146
 147
 148 /***********************************************************************
 149  *              CloseWindowStation  (USER32.@)
 150  */
 151 BOOL WINAPI CloseWindowStation( HWINSTA handle )
 152 {
 153     BOOL ret;
 154     SERVER_START_REQ( close_winstation )
 155     {
 156         req->handle = handle;
 157         ret = !wine_server_call_err( req );
 158     }
 159     SERVER_END_REQ;
 160     return ret;
 161 }
 162
 163
 164 /******************************************************************************
 165  *              GetProcessWindowStation  (USER32.@)
 166  */
 167 HWINSTA WINAPI GetProcessWindowStation(void)
 168 {
 169     HWINSTA ret = 0;
 170
 171     SERVER_START_REQ( get_process_winstation )
 172     {
 173         if (!wine_server_call_err( req )) ret = reply->handle;
 174     }
 175     SERVER_END_REQ;
 176     return ret;
 177 }
 178
 179
 180 /***********************************************************************
 181  *              SetProcessWindowStation  (USER32.@)
 182  */
 183 BOOL WINAPI SetProcessWindowStation( HWINSTA handle )
 184 {
 185     BOOL ret;
 186
 187     SERVER_START_REQ( set_process_winstation )
 188     {
 189         req->handle = handle;
 190         ret = !wine_server_call_err( req );
 191     }
 192     SERVER_END_REQ;
 193     return ret;
 194 }
 195
 196
 197 /******************************************************************************
 198  *              EnumWindowStationsA  (USER32.@)
 199  */
 200 BOOL WINAPI EnumWindowStationsA( WINSTAENUMPROCA func, LPARAM lparam )
 201 {
 202     struct enum_proc_lparam data;
 203     data.func   = func;
 204     data.lparam = lparam;
 205     return EnumWindowStationsW( enum_names_WtoA, (LPARAM)&data );
 206 }
 207
 208
 209 /******************************************************************************
 210  *              EnumWindowStationsW  (USER32.@)
 211  */
 212 BOOL WINAPI EnumWindowStationsW( WINSTAENUMPROCW func, LPARAM lparam )
 213 {
 214     unsigned int index = 0;
 215     WCHAR name[MAX_PATH];
 216     BOOL ret = TRUE;
 217     NTSTATUS status;
 218
 219     while (ret)
 220     {
 221         SERVER_START_REQ( enum_winstation )
 222         {
 223             req->index = index;
 224             wine_server_set_reply( req, name, sizeof(name) - sizeof(WCHAR) );
 225             status = wine_server_call( req );
 226             name[wine_server_reply_size(reply)/sizeof(WCHAR)] = 0;
 227             index = reply->next;
 228         }
 229         SERVER_END_REQ;
 230         if (status == STATUS_NO_MORE_ENTRIES)
 231             break;
 232         if (status)
 233         {
 234             SetLastError( RtlNtStatusToDosError( status ) );
 235             return FALSE;
 236         }
 237         ret = func( name, lparam );
 238     }
 239     return ret;
 240 }
 241
 242
 243 /***********************************************************************
 244  *              CreateDesktopA   (USER32.@)
 245  */
 246 HDESK WINAPI CreateDesktopA( LPCSTR name, LPCSTR device, LPDEVMODEA devmode,
 247                              DWORD flags, ACCESS_MASK access, LPSECURITY_ATTRIBUTES sa )
 248 {
 249     WCHAR buffer[MAX_PATH];
 250
 251     if (device || devmode)
 252     {
 253         SetLastError( ERROR_INVALID_PARAMETER );
 254         return 0;
 255     }
 256     if (!name) return CreateDesktopW( NULL, NULL, NULL, flags, access, sa );
 257
 258     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 259     {
 260         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 261         return 0;
 262     }
 263     return CreateDesktopW( buffer, NULL, NULL, flags, access, sa );
 264 }
 265
 266
 267 /***********************************************************************
 268  *              CreateDesktopW   (USER32.@)
 269  */
 270 HDESK WINAPI CreateDesktopW( LPCWSTR name, LPCWSTR device, LPDEVMODEW devmode,
 271                              DWORD flags, ACCESS_MASK access, LPSECURITY_ATTRIBUTES sa )
 272 {
 273     HANDLE ret;
 274     DWORD len = name ? strlenW(name) : 0;
 275
 276     if (device || devmode)
 277     {
 278         SetLastError( ERROR_INVALID_PARAMETER );
 279         return 0;
 280     }
 281     if (len >= MAX_PATH)
 282     {
 283         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 284         return 0;
 285     }
 286     SERVER_START_REQ( create_desktop )
 287     {
 288         req->flags      = flags;
 289         req->access     = access;
 290         req->attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF |
 291                           ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
 292         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 293         /* it doesn't seem to set last error */
 294         wine_server_call( req );
 295         ret = reply->handle;
 296     }
 297     SERVER_END_REQ;
 298     return ret;
 299 }
 300
 301
 302 /******************************************************************************
 303  *              OpenDesktopA   (USER32.@)
 304  */
 305 HDESK WINAPI OpenDesktopA( LPCSTR name, DWORD flags, BOOL inherit, ACCESS_MASK access )
 306 {
 307     WCHAR buffer[MAX_PATH];
 308
 309     if (!name) return OpenDesktopW( NULL, flags, inherit, access );
 310
 311     if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
 312     {
 313         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 314         return 0;
 315     }
 316     return OpenDesktopW( buffer, flags, inherit, access );
 317 }
 318
 319
 320 /******************************************************************************
 321  *              OpenDesktopW   (USER32.@)
 322  */
 323 HDESK WINAPI OpenDesktopW( LPCWSTR name, DWORD flags, BOOL inherit, ACCESS_MASK access )
 324 {
 325     HANDLE ret = 0;
 326     DWORD len = name ? strlenW(name) : 0;
 327     if (len >= MAX_PATH)
 328     {
 329         SetLastError( ERROR_FILENAME_EXCED_RANGE );
 330         return 0;
 331     }
 332     SERVER_START_REQ( open_desktop )
 333     {
 334         req->flags      = flags;
 335         req->access     = access;
 336         req->attributes = OBJ_CASE_INSENSITIVE | (inherit ? OBJ_INHERIT : 0);
 337         wine_server_add_data( req, name, len * sizeof(WCHAR) );
 338         if (!wine_server_call( req )) ret = reply->handle;
 339     }
 340     SERVER_END_REQ;
 341     return ret;
 342 }
 343
 344
 345 /***********************************************************************
 346  *              CloseDesktop  (USER32.@)
 347  */
 348 BOOL WINAPI CloseDesktop( HDESK handle )
 349 {
 350     BOOL ret;
 351     SERVER_START_REQ( close_desktop )
 352     {
 353         req->handle = handle;
 354         ret = !wine_server_call_err( req );
 355     }
 356     SERVER_END_REQ;
 357     return ret;
 358 }
 359
 360
 361 /******************************************************************************
 362  *              GetThreadDesktop   (USER32.@)
 363  */
 364 HDESK WINAPI GetThreadDesktop( DWORD thread )
 365 {
 366     HDESK ret = 0;
 367
 368     SERVER_START_REQ( get_thread_desktop )
 369     {
 370         req->tid = thread;
 371         if (!wine_server_call_err( req )) ret = reply->handle;
 372     }
 373     SERVER_END_REQ;
 374     return ret;
 375 }
 376
 377
 378 /******************************************************************************
 379  *              SetThreadDesktop   (USER32.@)
 380  */
 381 BOOL WINAPI SetThreadDesktop( HDESK handle )
 382 {
 383     BOOL ret;
 384
 385     SERVER_START_REQ( set_thread_desktop )
 386     {
 387         req->handle = handle;
 388         ret = !wine_server_call_err( req );
 389     }
 390     SERVER_END_REQ;
 391     if (ret) get_user_thread_info()->desktop = 0;  /* reset the desktop window */
 392     return ret;
 393 }
 394
 395
 396 /******************************************************************************
 397  *              EnumDesktopsA   (USER32.@)
 398  */
 399 BOOL WINAPI EnumDesktopsA( HWINSTA winsta, DESKTOPENUMPROCA func, LPARAM lparam )
 400 {
 401     struct enum_proc_lparam data;
 402     data.func   = func;
 403     data.lparam = lparam;
 404     return EnumDesktopsW( winsta, enum_names_WtoA, (LPARAM)&data );
 405 }
 406
 407
 408 /******************************************************************************
 409  *              EnumDesktopsW   (USER32.@)
 410  */
 411 BOOL WINAPI EnumDesktopsW( HWINSTA winsta, DESKTOPENUMPROCW func, LPARAM lparam )
 412 {
 413     unsigned int index = 0;
 414     WCHAR name[MAX_PATH];
 415     BOOL ret = TRUE;
 416     NTSTATUS status;
 417
 418     if (!winsta)
 419         winsta = GetProcessWindowStation();
 420
 421     while (ret)
 422     {
 423         SERVER_START_REQ( enum_desktop )
 424         {
 425             req->winstation = winsta;
 426             req->index      = index;
 427             wine_server_set_reply( req, name, sizeof(name) - sizeof(WCHAR) );
 428             status = wine_server_call( req );
 429             name[wine_server_reply_size(reply)/sizeof(WCHAR)] = 0;
 430             index = reply->next;
 431         }
 432         SERVER_END_REQ;
 433         if (status == STATUS_NO_MORE_ENTRIES)
 434             break;
 435         if (status)
 436         {
 437             SetLastError( RtlNtStatusToDosError( status ) );
 438             return FALSE;
 439         }
 440         ret = func(name, lparam);
 441     }
 442     return ret;
 443 }
 444
 445
 446 /******************************************************************************
 447  *              OpenInputDesktop   (USER32.@)
 448  */
 449 HDESK WINAPI OpenInputDesktop( DWORD flags, BOOL inherit, ACCESS_MASK access )
 450 {
 451     FIXME( "(%x,%i,%x): stub\n", flags, inherit, access );
 452     SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
 453     return 0;
 454 }
 455
 456
 457 /***********************************************************************
 458  *              GetUserObjectInformationA   (USER32.@)
 459  */
 460 BOOL WINAPI GetUserObjectInformationA( HANDLE handle, INT index, LPVOID info, DWORD len, LPDWORD needed )
 461 {
 462     /* check for information types returning strings */
 463     if (index == UOI_TYPE || index == UOI_NAME)
 464     {
 465         WCHAR buffer[MAX_PATH];
 466         DWORD lenA;
 467
 468         if (!GetUserObjectInformationW( handle, index, buffer, sizeof(buffer), NULL )) return FALSE;
 469         lenA = WideCharToMultiByte( CP_ACP, 0, buffer, -1, NULL, 0, NULL, NULL );
 470         if (needed) *needed = lenA;
 471         if (lenA > len)
 472         {
 473             SetLastError( ERROR_MORE_DATA );
 474             return FALSE;
 475         }
 476         if (info) WideCharToMultiByte( CP_ACP, 0, buffer, -1, info, len, NULL, NULL );
 477         return TRUE;
 478     }
 479     return GetUserObjectInformationW( handle, index, info, len, needed );
 480 }
 481
 482
 483 /***********************************************************************
 484  *              GetUserObjectInformationW   (USER32.@)
 485  */
 486 BOOL WINAPI GetUserObjectInformationW( HANDLE handle, INT index, LPVOID info, DWORD len, LPDWORD needed )
 487 {
 488     static const WCHAR desktopW[] = { 'D','e','s','k','t','o','p',0 };
 489     static const WCHAR winstationW[] = { 'W','i','n','d','o','w','S','t','a','t','i','o','n',0 };
 490     BOOL ret;
 491
 492     switch(index)
 493     {
 494     case UOI_FLAGS:
 495         {
 496             USEROBJECTFLAGS *obj_flags = info;
 497             if (needed) *needed = sizeof(*obj_flags);
 498             if (len < sizeof(*obj_flags))
 499             {
 500                 SetLastError( ERROR_BUFFER_OVERFLOW );
 501                 return FALSE;
 502             }
 503             SERVER_START_REQ( set_user_object_info )
 504             {
 505                 req->handle    = handle;
 506                 req->flags     = 0;
 507                 ret = !wine_server_call_err( req );
 508                 if (ret)
 509                 {
 510                     /* FIXME: inherit flag */
 511                     obj_flags->dwFlags = reply->old_obj_flags;
 512                 }
 513             }
 514             SERVER_END_REQ;
 515         }
 516         return ret;
 517
 518     case UOI_TYPE:
 519         SERVER_START_REQ( set_user_object_info )
 520         {
 521             req->handle = handle;
 522             req->flags  = 0;
 523             ret = !wine_server_call_err( req );
 524             if (ret)
 525             {
 526                 size_t size = reply->is_desktop ? sizeof(desktopW) : sizeof(winstationW);
 527                 if (needed) *needed = size;
 528                 if (len < size)
 529                 {
 530                     SetLastError( ERROR_MORE_DATA );
 531                     ret = FALSE;
 532                 }
 533                 else memcpy( info, reply->is_desktop ? desktopW : winstationW, size );
 534             }
 535         }
 536         SERVER_END_REQ;
 537         return ret;
 538
 539     case UOI_NAME:
 540         {
 541             WCHAR buffer[MAX_PATH];
 542             SERVER_START_REQ( set_user_object_info )
 543             {
 544                 req->handle = handle;
 545                 req->flags  = 0;
 546                 wine_server_set_reply( req, buffer, sizeof(buffer) - sizeof(WCHAR) );
 547                 ret = !wine_server_call_err( req );
 548                 if (ret)
 549                 {
 550                     size_t size = wine_server_reply_size( reply );
 551                     buffer[size / sizeof(WCHAR)] = 0;
 552                     size += sizeof(WCHAR);
 553                     if (needed) *needed = size;
 554                     if (len < size)
 555                     {
 556                         SetLastError( ERROR_MORE_DATA );
 557                         ret = FALSE;
 558                     }
 559                     else memcpy( info, buffer, size );
 560                 }
 561             }
 562             SERVER_END_REQ;
 563         }
 564         return ret;
 565
 566     case UOI_USER_SID:
 567         FIXME( "not supported index %d\n", index );
 568         /* fall through */
 569     default:
 570         SetLastError( ERROR_INVALID_PARAMETER );
 571         return FALSE;
 572     }
 573 }
 574
 575
 576 /******************************************************************************
 577  *              SetUserObjectInformationA   (USER32.@)
 578  */
 579 BOOL WINAPI SetUserObjectInformationA( HANDLE handle, INT index, LPVOID info, DWORD len )
 580 {
 581     return SetUserObjectInformationW( handle, index, info, len );
 582 }
 583
 584
 585 /******************************************************************************
 586  *              SetUserObjectInformationW   (USER32.@)
 587  */
 588 BOOL WINAPI SetUserObjectInformationW( HANDLE handle, INT index, LPVOID info, DWORD len )
 589 {
 590     BOOL ret;
 591     const USEROBJECTFLAGS *obj_flags = info;
 592
 593     if (index != UOI_FLAGS || !info || len < sizeof(*obj_flags))
 594     {
 595         SetLastError( ERROR_INVALID_PARAMETER );
 596         return FALSE;
 597     }
 598     /* FIXME: inherit flag */
 599     SERVER_START_REQ( set_user_object_info )
 600     {
 601         req->handle    = handle;
 602         req->flags     = SET_USER_OBJECT_FLAGS;
 603         req->obj_flags = obj_flags->dwFlags;
 604         ret = !wine_server_call_err( req );
 605     }
 606     SERVER_END_REQ;
 607     return ret;
 608 }
 609
 610
 611 /***********************************************************************
 612  *              GetUserObjectSecurity   (USER32.@)
 613  */
 614 BOOL WINAPI GetUserObjectSecurity( HANDLE handle, PSECURITY_INFORMATION info,
 615                                    PSECURITY_DESCRIPTOR sid, DWORD len, LPDWORD needed )
 616 {
 617     FIXME( "(%p %p %p len=%d %p),stub!\n", handle, info, sid, len, needed );
 618     return TRUE;
 619 }
 620
 621 /***********************************************************************
 622  *              SetUserObjectSecurity   (USER32.@)
 623  */
 624 BOOL WINAPI SetUserObjectSecurity( HANDLE handle, PSECURITY_INFORMATION info,
 625                                    PSECURITY_DESCRIPTOR sid )
 626 {
 627     FIXME( "(%p,%p,%p),stub!\n", handle, info, sid );
 628     return TRUE;
 629 }