dlls/user32/tests/winstation.c

   1 /*
   2  * Unit tests for 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 "wine/test.h"
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24 #include "winuser.h"
  25 #include "winnls.h"
  26
  27 #define DESKTOP_ALL_ACCESS 0x01ff
  28
  29 static void print_object( HANDLE obj )
  30 {
  31     char buffer[100];
  32     DWORD size;
  33
  34     strcpy( buffer, "foobar" );
  35     if (!GetUserObjectInformationA( obj, UOI_NAME, buffer, sizeof(buffer), &size ))
  36         trace( "could not get info for %p\n", obj );
  37     else
  38         trace( "obj %p name '%s'\n", obj, buffer );
  39     strcpy( buffer, "foobar" );
  40     if (!GetUserObjectInformationA( obj, UOI_TYPE, buffer, sizeof(buffer), &size ))
  41         trace( "could not get type for %p\n", obj );
  42     else
  43         trace( "obj %p type '%s'\n", obj, buffer );
  44 }
  45
  46 static void register_class(void)
  47 {
  48     WNDCLASSA cls;
  49
  50     cls.style = CS_DBLCLKS;
  51     cls.lpfnWndProc = DefWindowProcA;
  52     cls.cbClsExtra = 0;
  53     cls.cbWndExtra = 0;
  54     cls.hInstance = GetModuleHandleA(0);
  55     cls.hIcon = 0;
  56     cls.hCursor = LoadCursorA(0, IDC_ARROW);
  57     cls.hbrBackground = GetStockObject(WHITE_BRUSH);
  58     cls.lpszMenuName = NULL;
  59     cls.lpszClassName = "WinStationClass";
  60     RegisterClassA(&cls);
  61 }
  62
  63 static HDESK initial_desktop;
  64
  65 static DWORD CALLBACK thread( LPVOID arg )
  66 {
  67     HDESK d1, d2;
  68     HWND hwnd = CreateWindowExA(0,"WinStationClass","test",WS_POPUP,0,0,100,100,GetDesktopWindow(),0,0,0);
  69     ok( hwnd != 0, "CreateWindow failed\n" );
  70     d1 = GetThreadDesktop(GetCurrentThreadId());
  71     trace( "thread %p desktop: %p\n", arg, d1 );
  72     ok( d1 == initial_desktop, "thread %p doesn't use initial desktop\n", arg );
  73
  74     SetLastError( 0xdeadbeef );
  75     ok( !CloseHandle( d1 ), "CloseHandle succeeded\n" );
  76     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %d\n", GetLastError() );
  77     SetLastError( 0xdeadbeef );
  78     ok( !CloseDesktop( d1 ), "CloseDesktop succeeded\n" );
  79     ok( GetLastError() == ERROR_BUSY || broken(GetLastError() == 0xdeadbeef), /* wow64 */
  80         "bad last error %d\n", GetLastError() );
  81     print_object( d1 );
  82     d2 = CreateDesktop( "foobar2", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
  83     trace( "created desktop %p\n", d2 );
  84     ok( d2 != 0, "CreateDesktop failed\n" );
  85
  86     SetLastError( 0xdeadbeef );
  87     ok( !SetThreadDesktop( d2 ), "set thread desktop succeeded with existing window\n" );
  88     ok( GetLastError() == ERROR_BUSY || broken(GetLastError() == 0xdeadbeef), /* wow64 */
  89         "bad last error %d\n", GetLastError() );
  90
  91     DestroyWindow( hwnd );
  92     ok( SetThreadDesktop( d2 ), "set thread desktop failed\n" );
  93     d1 = GetThreadDesktop(GetCurrentThreadId());
  94     ok( d1 == d2, "GetThreadDesktop did not return set desktop %p/%p\n", d1, d2 );
  95     print_object( d2 );
  96     if (arg < (LPVOID)5)
  97     {
  98         HANDLE hthread = CreateThread( NULL, 0, thread, (char *)arg + 1, 0, NULL );
  99         Sleep(1000);
 100         WaitForSingleObject( hthread, INFINITE );
 101         CloseHandle( hthread );
 102     }
 103     return 0;
 104 }
 105
 106 static void test_handles(void)
 107 {
 108     HWINSTA w1, w2, w3;
 109     HDESK d1, d2, d3;
 110     HANDLE hthread;
 111     DWORD id, flags;
 112     ATOM atom;
 113     char buffer[20];
 114
 115     /* win stations */
 116
 117     w1 = GetProcessWindowStation();
 118     ok( GetProcessWindowStation() == w1, "GetProcessWindowStation returned different handles\n" );
 119     ok( !CloseWindowStation(w1), "closing process win station succeeded\n" );
 120     SetLastError( 0xdeadbeef );
 121     ok( !CloseHandle(w1), "closing process win station handle succeeded\n" );
 122     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %d\n", GetLastError() );
 123     print_object( w1 );
 124
 125     flags = 0;
 126     ok( GetHandleInformation( w1, &flags ), "GetHandleInformation failed\n" );
 127     ok( !(flags & HANDLE_FLAG_PROTECT_FROM_CLOSE) ||
 128         broken(flags & HANDLE_FLAG_PROTECT_FROM_CLOSE), /* set on nt4 */
 129         "handle %p PROTECT_FROM_CLOSE set\n", w1 );
 130
 131     ok( DuplicateHandle( GetCurrentProcess(), w1, GetCurrentProcess(), (PHANDLE)&w2, 0,
 132                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 133     ok( CloseWindowStation(w2), "closing dup win station failed\n" );
 134
 135     ok( DuplicateHandle( GetCurrentProcess(), w1, GetCurrentProcess(), (PHANDLE)&w2, 0,
 136                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 137     ok( CloseHandle(w2), "closing dup win station handle failed\n" );
 138
 139     w2 = CreateWindowStation("WinSta0", 0, WINSTA_ALL_ACCESS, NULL );
 140     ok( w2 != 0, "CreateWindowStation failed\n" );
 141     ok( w2 != w1, "CreateWindowStation returned default handle\n" );
 142     SetLastError( 0xdeadbeef );
 143     ok( !CloseDesktop( (HDESK)w2 ), "CloseDesktop succeeded on win station\n" );
 144     ok( GetLastError() == ERROR_INVALID_HANDLE || broken(GetLastError() == 0xdeadbeef), /* wow64 */
 145         "bad last error %d\n", GetLastError() );
 146     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 147
 148     w2 = CreateWindowStation("WinSta0", 0, WINSTA_ALL_ACCESS, NULL );
 149     ok( CloseHandle( w2 ), "CloseHandle failed\n" );
 150
 151     w2 = OpenWindowStation("winsta0", TRUE, WINSTA_ALL_ACCESS );
 152     ok( w2 != 0, "OpenWindowStation failed\n" );
 153     ok( w2 != w1, "OpenWindowStation returned default handle\n" );
 154     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 155
 156     w2 = OpenWindowStation("dummy name", TRUE, WINSTA_ALL_ACCESS );
 157     ok( !w2, "open dummy win station succeeded\n" );
 158
 159     CreateMutexA( NULL, 0, "foobar" );
 160     w2 = CreateWindowStation("foobar", 0, WINSTA_ALL_ACCESS, NULL );
 161     ok( w2 != 0, "create foobar station failed\n" );
 162
 163     w3 = OpenWindowStation("foobar", TRUE, WINSTA_ALL_ACCESS );
 164     ok( w3 != 0, "open foobar station failed\n" );
 165     ok( w3 != w2, "open foobar station returned same handle\n" );
 166     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 167     ok( CloseWindowStation( w3 ), "CloseWindowStation failed\n" );
 168
 169     w3 = OpenWindowStation("foobar", TRUE, WINSTA_ALL_ACCESS );
 170     ok( !w3, "open foobar station succeeded\n" );
 171
 172     w2 = CreateWindowStation("foobar1", 0, WINSTA_ALL_ACCESS, NULL );
 173     ok( w2 != 0, "create foobar station failed\n" );
 174     w3 = CreateWindowStation("foobar2", 0, WINSTA_ALL_ACCESS, NULL );
 175     ok( w3 != 0, "create foobar station failed\n" );
 176     ok( GetHandleInformation( w2, &flags ), "GetHandleInformation failed\n" );
 177     ok( GetHandleInformation( w3, &flags ), "GetHandleInformation failed\n" );
 178
 179     SetProcessWindowStation( w2 );
 180     register_class();
 181     atom = GlobalAddAtomA("foo");
 182     ok( GlobalGetAtomNameA( atom, buffer, sizeof(buffer) ) == 3, "GlobalGetAtomName failed\n" );
 183     ok( !lstrcmpiA( buffer, "foo" ), "bad atom value %s\n", buffer );
 184
 185     ok( !CloseWindowStation( w2 ), "CloseWindowStation succeeded\n" );
 186     ok( GetHandleInformation( w2, &flags ), "GetHandleInformation failed\n" );
 187
 188     SetProcessWindowStation( w3 );
 189     ok( GetHandleInformation( w2, &flags ), "GetHandleInformation failed\n" );
 190     ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
 191     ok( GlobalGetAtomNameA( atom, buffer, sizeof(buffer) ) == 3, "GlobalGetAtomName failed\n" );
 192     ok( !lstrcmpiA( buffer, "foo" ), "bad atom value %s\n", buffer );
 193
 194     /* desktops */
 195     d1 = GetThreadDesktop(GetCurrentThreadId());
 196     initial_desktop = d1;
 197     ok( GetThreadDesktop(GetCurrentThreadId()) == d1,
 198         "GetThreadDesktop returned different handles\n" );
 199
 200     flags = 0;
 201     ok( GetHandleInformation( d1, &flags ), "GetHandleInformation failed\n" );
 202     ok( !(flags & HANDLE_FLAG_PROTECT_FROM_CLOSE), "handle %p PROTECT_FROM_CLOSE set\n", d1 );
 203
 204     SetLastError( 0xdeadbeef );
 205     ok( !CloseDesktop(d1), "closing thread desktop succeeded\n" );
 206     ok( GetLastError() == ERROR_BUSY || broken(GetLastError() == 0xdeadbeef), /* wow64 */
 207         "bad last error %d\n", GetLastError() );
 208
 209     SetLastError( 0xdeadbeef );
 210     if (CloseHandle( d1 ))  /* succeeds on nt4 */
 211     {
 212         win_skip( "NT4 desktop handle management is completely different\n" );
 213         return;
 214     }
 215     ok( GetLastError() == ERROR_INVALID_HANDLE, "bad last error %d\n", GetLastError() );
 216
 217     ok( DuplicateHandle( GetCurrentProcess(), d1, GetCurrentProcess(), (PHANDLE)&d2, 0,
 218                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 219     ok( CloseDesktop(d2), "closing dup desktop failed\n" );
 220
 221     ok( DuplicateHandle( GetCurrentProcess(), d1, GetCurrentProcess(), (PHANDLE)&d2, 0,
 222                          TRUE, DUPLICATE_SAME_ACCESS ), "DuplicateHandle failed\n" );
 223     ok( CloseHandle(d2), "closing dup desktop handle failed\n" );
 224
 225     d2 = OpenDesktop( "dummy name", 0, TRUE, DESKTOP_ALL_ACCESS );
 226     ok( !d2, "open dummy desktop succeeded\n" );
 227
 228     d2 = CreateDesktop( "foobar", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
 229     ok( d2 != 0, "create foobar desktop failed\n" );
 230     SetLastError( 0xdeadbeef );
 231     ok( !CloseWindowStation( (HWINSTA)d2 ), "CloseWindowStation succeeded on desktop\n" );
 232     ok( GetLastError() == ERROR_INVALID_HANDLE || broken(GetLastError() == 0xdeadbeef), /* wow64 */
 233         "bad last error %d\n", GetLastError() );
 234
 235     SetLastError( 0xdeadbeef );
 236     d3 = CreateDesktop( "foobar", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL );
 237     ok( d3 != 0, "create foobar desktop again failed\n" );
 238     ok( GetLastError() == 0xdeadbeef, "bad last error %d\n", GetLastError() );
 239     ok( CloseDesktop( d3 ), "CloseDesktop failed\n" );
 240
 241     d3 = OpenDesktop( "foobar", 0, TRUE, DESKTOP_ALL_ACCESS );
 242     ok( d3 != 0, "open foobar desktop failed\n" );
 243     ok( d3 != d2, "open foobar desktop returned same handle\n" );
 244     ok( CloseDesktop( d2 ), "CloseDesktop failed\n" );
 245     ok( CloseDesktop( d3 ), "CloseDesktop failed\n" );
 246
 247     d3 = OpenDesktop( "foobar", 0, TRUE, DESKTOP_ALL_ACCESS );
 248     ok( !d3, "open foobar desktop succeeded\n" );
 249
 250     ok( !CloseHandle(d1), "closing thread desktop handle succeeded\n" );
 251     d2 = GetThreadDesktop(GetCurrentThreadId());
 252     ok( d1 == d2, "got different handles after close\n" );
 253
 254     trace( "thread 1 desktop: %p\n", d1 );
 255     print_object( d1 );
 256     hthread = CreateThread( NULL, 0, thread, (LPVOID)2, 0, &id );
 257     Sleep(1000);
 258     trace( "get other thread desktop: %p\n", GetThreadDesktop(id) );
 259     WaitForSingleObject( hthread, INFINITE );
 260     CloseHandle( hthread );
 261 }
 262
 263 /* Enumeration tests */
 264
 265 static BOOL CALLBACK window_station_callbackA(LPSTR winsta, LPARAM lp)
 266 {
 267     trace("window_station_callbackA called with argument %s\n", winsta);
 268     return lp;
 269 }
 270
 271 static BOOL CALLBACK open_window_station_callbackA(LPSTR winsta, LPARAM lp)
 272 {
 273     HWINSTA hwinsta;
 274
 275     trace("open_window_station_callbackA called with argument %s\n", winsta);
 276     hwinsta = OpenWindowStationA(winsta, FALSE, WINSTA_ENUMERATE);
 277     ok(hwinsta != NULL, "Could not open desktop %s!\n", winsta);
 278     if (hwinsta)
 279         CloseWindowStation(hwinsta);
 280     return lp;
 281 }
 282
 283 static void test_enumstations(void)
 284 {
 285     BOOL ret;
 286
 287     if (0) /* Crashes instead */
 288     {
 289         SetLastError(0xbabefeed);
 290         ret = EnumWindowStationsA(NULL, 0);
 291         ok(!ret, "EnumWindowStationsA returned successfully!\n");
 292         ok(GetLastError() == ERROR_INVALID_PARAMETER, "LastError is set to %08x\n", GetLastError());
 293     }
 294
 295     SetLastError(0xdeadbeef);
 296     ret = EnumWindowStationsA(open_window_station_callbackA, 0x12345);
 297     ok(ret == 0x12345, "EnumWindowStationsA returned %x\n", ret);
 298     ok(GetLastError() == 0xdeadbeef, "LastError is set to %08x\n", GetLastError());
 299
 300     SetLastError(0xdeadbeef);
 301     ret = EnumWindowStationsA(window_station_callbackA, 0);
 302     ok(!ret, "EnumWindowStationsA returned %x\n", ret);
 303     ok(GetLastError() == 0xdeadbeef, "LastError is set to %08x\n", GetLastError());
 304 }
 305
 306 static BOOL CALLBACK desktop_callbackA(LPSTR desktop, LPARAM lp)
 307 {
 308     trace("desktop_callbackA called with argument %s\n", desktop);
 309     return lp;
 310 }
 311
 312 static BOOL CALLBACK open_desktop_callbackA(LPSTR desktop, LPARAM lp)
 313 {
 314     HDESK hdesk;
 315     static int once;
 316
 317     trace("open_desktop_callbackA called with argument %s\n", desktop);
 318     /* Only try to open one desktop */
 319     if (once++)
 320         return lp;
 321
 322     hdesk = OpenDesktopA(desktop, 0, FALSE, DESKTOP_ENUMERATE);
 323     ok(hdesk != NULL, "Could not open desktop %s!\n", desktop);
 324     if (hdesk)
 325         CloseDesktop(hdesk);
 326     return lp;
 327 }
 328
 329 static void test_enumdesktops(void)
 330 {
 331     BOOL ret;
 332
 333     if (0)  /* Crashes instead */
 334     {
 335         SetLastError(0xbabefeed);
 336         ret = EnumDesktopsA(GetProcessWindowStation(), NULL, 0);
 337         ok(!ret, "EnumDesktopsA returned successfully!\n");
 338         ok(GetLastError() == ERROR_INVALID_PARAMETER, "LastError is set to %08x\n", GetLastError());
 339     }
 340
 341     SetLastError(0xdeadbeef);
 342     ret = EnumDesktopsA(NULL, desktop_callbackA, 0x12345);
 343     ok(ret == 0x12345, "EnumDesktopsA returned %x\n", ret);
 344     ok(GetLastError() == 0xdeadbeef, "LastError is set to %08x\n", GetLastError());
 345
 346     SetLastError(0xdeadbeef);
 347     ret = EnumDesktopsA(GetProcessWindowStation(), open_desktop_callbackA, 0x12345);
 348     ok(ret == 0x12345, "EnumDesktopsA returned %x\n", ret);
 349     ok(GetLastError() == 0xdeadbeef, "LastError is set to %08x\n", GetLastError());
 350
 351     SetLastError(0xdeadbeef);
 352     ret = EnumDesktopsA(INVALID_HANDLE_VALUE, desktop_callbackA, 0x12345);
 353     ok(!ret, "EnumDesktopsA returned %x\n", ret);
 354     ok(GetLastError() == ERROR_INVALID_HANDLE, "LastError is set to %08x\n", GetLastError());
 355
 356     SetLastError(0xdeadbeef);
 357     ret = EnumDesktopsA(GetProcessWindowStation(), desktop_callbackA, 0);
 358     ok(!ret, "EnumDesktopsA returned %x\n", ret);
 359     ok(GetLastError() == 0xdeadbeef, "LastError is set to %08x\n", GetLastError());
 360 }
 361
 362 START_TEST(winstation)
 363 {
 364     /* Check whether this platform supports WindowStation calls */
 365
 366     SetLastError( 0xdeadbeef );
 367     GetProcessWindowStation();
 368     if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 369     {
 370         skip("WindowStation calls not supported on this platform\n");
 371         return;
 372     }
 373
 374     test_enumstations();
 375     test_enumdesktops();
 376     test_handles();
 377 }