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winmm: Restrict some MCI actions to the creating thread. 

This reverts commit 46d5973961 and fixes
bug 38241 another way.

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Andrew Eikum 2016-05-04 12:42:53 -05:00 committed by Alexandre Julliard
parent 3d73f62f01
commit d7cc002566
4 changed files with 97 additions and 162 deletions
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199
dlls/mciqtz32/mciqtz.c
View File

@ -30,7 +30,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(mciqtz);
static DWORD CALLBACK MCIQTZ_taskThread(LPVOID arg);
static DWORD MCIQTZ_mciClose(UINT, DWORD, LPMCI_GENERIC_PARMS);
static DWORD MCIQTZ_mciStop(UINT, DWORD, LPMCI_GENERIC_PARMS);
/*======================================================================*
@ -67,40 +67,6 @@ static WINE_MCIQTZ* MCIQTZ_mciGetOpenDev(UINT wDevID)
return wma;
}
/***************************************************************************
* MCIQTZ_relayTaskMessage [internal]
*/
static LRESULT MCIQTZ_relayTaskMessage(DWORD_PTR dwDevID, UINT wMsg,
DWORD dwFlags, LPARAM lpParms)
{
WINE_MCIQTZ *wma;
LRESULT res;
HANDLE handles[2];
DWORD ret;
TRACE("(%08lX, %08x, %08x, %08lx)\n", dwDevID, wMsg, dwFlags, lpParms);
wma = MCIQTZ_mciGetOpenDev(dwDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
wma->task.devid = dwDevID;
wma->task.msg = wMsg;
wma->task.flags = dwFlags;
wma->task.parms = lpParms;
SetEvent(wma->task.notify);
handles[0] = wma->task.done;
handles[1] = wma->task.thread;
ret = WaitForMultipleObjects(sizeof(handles)/sizeof(handles[0]), handles,
FALSE, INFINITE);
if (ret == WAIT_OBJECT_0)
res = wma->task.res;
else
res = MCIERR_INTERNAL;
LeaveCriticalSection(&wma->cs);
return res;
}
/**************************************************************************
* MCIQTZ_drvOpen [internal]
*/
@ -120,25 +86,12 @@ static DWORD MCIQTZ_drvOpen(LPCWSTR str, LPMCI_OPEN_DRIVER_PARMSW modp)
return 0;
wma->stop_event = CreateEventW(NULL, FALSE, FALSE, NULL);
wma->task.notify = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!wma->task.notify) goto err;
wma->task.done = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!wma->task.done) goto err;
wma->task.thread = CreateThread(NULL, 0, MCIQTZ_taskThread, &wma->task, 0, NULL);
if (!wma->task.thread) goto err;
InitializeCriticalSection(&wma->cs);
wma->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": WINE_MCIQTZ");
modp->wType = MCI_DEVTYPE_DIGITAL_VIDEO;
wma->wDevID = modp->wDeviceID;
modp->wCustomCommandTable = wma->command_table = mciLoadCommandResource(MCIQTZ_hInstance, mciAviWStr, 0);
mciSetDriverData(wma->wDevID, (DWORD_PTR)wma);
return modp->wDeviceID;
err:
if (wma->task.notify) CloseHandle(wma->task.notify);
if (wma->task.done) CloseHandle(wma->task.done);
HeapFree(GetProcessHeap(), 0, wma);
return 0;
}
/**************************************************************************
@ -154,16 +107,9 @@ static DWORD MCIQTZ_drvClose(DWORD dwDevID)
if (wma) {
/* finish all outstanding things */
MCIQTZ_relayTaskMessage(dwDevID, MCI_CLOSE_DRIVER, MCI_WAIT, 0);
MCIQTZ_mciClose(dwDevID, MCI_WAIT, NULL);
mciFreeCommandResource(wma->command_table);
MCIQTZ_relayTaskMessage(dwDevID, MCI_CLOSE, MCI_WAIT, 0);
WaitForSingleObject(wma->task.thread, INFINITE);
CloseHandle(wma->task.notify);
CloseHandle(wma->task.done);
CloseHandle(wma->task.thread);
wma->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&wma->cs);
mciSetDriverData(dwDevID, 0);
CloseHandle(wma->stop_event);
HeapFree(GetProcessHeap(), 0, wma);
@ -220,6 +166,9 @@ static DWORD MCIQTZ_mciOpen(UINT wDevID, DWORD dwFlags,
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpOpenParms);
if(!lpOpenParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -443,6 +392,9 @@ static DWORD MCIQTZ_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -500,6 +452,9 @@ static DWORD MCIQTZ_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -615,6 +570,9 @@ static DWORD MCIQTZ_mciGetDevCaps(UINT wDevID, DWORD dwFlags, LPMCI_GETDEVCAPS_P
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -711,6 +669,9 @@ static DWORD MCIQTZ_mciSet(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SET_PARMS lpPar
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -765,6 +726,9 @@ static DWORD MCIQTZ_mciStatus(UINT wDevID, DWORD dwFlags, LPMCI_DGV_STATUS_PARMS
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -865,6 +829,9 @@ static DWORD MCIQTZ_mciWhere(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RECT_PARMS lp
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -927,6 +894,9 @@ static DWORD MCIQTZ_mciWindow(UINT wDevID, DWORD dwFlags, LPMCI_DGV_WINDOW_PARMS
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
if (dwFlags & MCI_TEST)
@ -971,6 +941,9 @@ static DWORD MCIQTZ_mciPut(UINT wDevID, DWORD dwFlags, MCI_GENERIC_PARMS *lpParm
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -1017,6 +990,9 @@ static DWORD MCIQTZ_mciUpdate(UINT wDevID, DWORD dwFlags, LPMCI_DGV_UPDATE_PARMS
TRACE("%04x, %08x, %p\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -1078,6 +1054,9 @@ static DWORD MCIQTZ_mciSetAudio(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SETAUDIO_P
TRACE("(%04x, %08x, %p)\n", wDevID, dwFlags, lpParms);
if(!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -1116,82 +1095,6 @@ static DWORD MCIQTZ_mciSetAudio(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SETAUDIO_P
return ret;
}
/***************************************************************************
* MCIQTZ_taskThread [internal]
*/
static DWORD CALLBACK MCIQTZ_taskThread(LPVOID arg)
{
WINE_MCIQTZ_TASK *task = (WINE_MCIQTZ_TASK *)arg;
for (;;) {
DWORD ret = WaitForSingleObject(task->notify, INFINITE);
if (ret != WAIT_OBJECT_0) {
TRACE("Got error (%u)\n", ret);
continue;
}
switch (task->msg) {
case MCI_OPEN_DRIVER:
task->res = MCIQTZ_mciOpen(task->devid, task->flags, (LPMCI_DGV_OPEN_PARMSW)task->parms);
break;
case MCI_CLOSE_DRIVER:
task->res = MCIQTZ_mciClose(task->devid, task->flags, (LPMCI_GENERIC_PARMS)task->parms);
break;
case MCI_PLAY:
task->res = MCIQTZ_mciPlay(task->devid, task->flags, (LPMCI_PLAY_PARMS)task->parms);
break;
case MCI_SEEK:
task->res = MCIQTZ_mciSeek(task->devid, task->flags, (LPMCI_SEEK_PARMS)task->parms);
break;
case MCI_STOP:
task->res = MCIQTZ_mciStop(task->devid, task->flags, (LPMCI_GENERIC_PARMS)task->parms);
break;
case MCI_PAUSE:
task->res = MCIQTZ_mciPause(task->devid, task->flags, (LPMCI_GENERIC_PARMS)task->parms);
break;
case MCI_RESUME:
task->res = MCIQTZ_mciResume(task->devid, task->flags, (LPMCI_GENERIC_PARMS)task->parms);
break;
case MCI_GETDEVCAPS:
task->res = MCIQTZ_mciGetDevCaps(task->devid, task->flags, (LPMCI_GETDEVCAPS_PARMS)task->parms);
break;
case MCI_SET:
task->res = MCIQTZ_mciSet(task->devid, task->flags, (LPMCI_DGV_SET_PARMS)task->parms);
break;
case MCI_STATUS:
task->res = MCIQTZ_mciStatus(task->devid, task->flags, (LPMCI_DGV_STATUS_PARMSW)task->parms);
break;
case MCI_WHERE:
task->res = MCIQTZ_mciWhere(task->devid, task->flags, (LPMCI_DGV_RECT_PARMS)task->parms);
break;
case MCI_SETAUDIO:
task->res = MCIQTZ_mciSetAudio(task->devid, task->flags, (LPMCI_DGV_SETAUDIO_PARMSW)task->parms);
break;
case MCI_UPDATE:
task->res = MCIQTZ_mciUpdate(task->devid, task->flags, (LPMCI_DGV_UPDATE_PARMS)task->parms);
break;
case MCI_WINDOW:
task->res = MCIQTZ_mciWindow(task->devid, task->flags, (LPMCI_DGV_WINDOW_PARMSW)task->parms);
break;
case MCI_PUT:
task->res = MCIQTZ_mciPut(task->devid, task->flags, (MCI_GENERIC_PARMS*)task->parms);
break;
case MCI_CLOSE:
/* Special internal message */
SetEvent(task->done);
goto end;
default:
FIXME("Shouldn't receive another message (%04x)\n", task->msg);
task->res = MCIERR_UNRECOGNIZED_COMMAND;
break;
}
SetEvent(task->done);
}
end:
return 0;
}
/*======================================================================*
* MCI QTZ entry points *
*======================================================================*/
@ -1223,27 +1126,25 @@ LRESULT CALLBACK MCIQTZ_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
return 1;
switch (wMsg) {
case MCI_OPEN_DRIVER:
case MCI_PLAY:
case MCI_SEEK:
case MCI_GETDEVCAPS:
case MCI_SET:
case MCI_STATUS:
case MCI_WHERE:
if (!dwParam2) return MCIERR_NULL_PARAMETER_BLOCK;
return MCIQTZ_relayTaskMessage(dwDevID, wMsg, dwParam1, dwParam2);
case MCI_CLOSE_DRIVER:
case MCI_STOP:
case MCI_PAUSE:
case MCI_RESUME:
return MCIQTZ_relayTaskMessage(dwDevID, wMsg, dwParam1, dwParam2);
case MCI_OPEN_DRIVER: return MCIQTZ_mciOpen (dwDevID, dwParam1, (LPMCI_DGV_OPEN_PARMSW) dwParam2);
case MCI_CLOSE_DRIVER: return MCIQTZ_mciClose (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_PLAY: return MCIQTZ_mciPlay (dwDevID, dwParam1, (LPMCI_PLAY_PARMS) dwParam2);
case MCI_SEEK: return MCIQTZ_mciSeek (dwDevID, dwParam1, (LPMCI_SEEK_PARMS) dwParam2);
case MCI_STOP: return MCIQTZ_mciStop (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_PAUSE: return MCIQTZ_mciPause (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_RESUME: return MCIQTZ_mciResume (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_GETDEVCAPS: return MCIQTZ_mciGetDevCaps(dwDevID, dwParam1, (LPMCI_GETDEVCAPS_PARMS) dwParam2);
case MCI_SET: return MCIQTZ_mciSet (dwDevID, dwParam1, (LPMCI_DGV_SET_PARMS) dwParam2);
case MCI_STATUS: return MCIQTZ_mciStatus (dwDevID, dwParam1, (LPMCI_DGV_STATUS_PARMSW) dwParam2);
case MCI_WHERE: return MCIQTZ_mciWhere (dwDevID, dwParam1, (LPMCI_DGV_RECT_PARMS) dwParam2);
/* Digital Video specific */
case MCI_SETAUDIO:
case MCI_SETAUDIO: return MCIQTZ_mciSetAudio (dwDevID, dwParam1, (LPMCI_DGV_SETAUDIO_PARMSW) dwParam2);
case MCI_UPDATE:
return MCIQTZ_mciUpdate(dwDevID, dwParam1, (LPMCI_DGV_UPDATE_PARMS)dwParam2);
case MCI_WINDOW:
return MCIQTZ_mciWindow(dwDevID, dwParam1, (LPMCI_DGV_WINDOW_PARMSW)dwParam2);
case MCI_PUT:
if (!dwParam2) return MCIERR_NULL_PARAMETER_BLOCK;
return MCIQTZ_relayTaskMessage(dwDevID, wMsg, dwParam1, dwParam2);
return MCIQTZ_mciPut(dwDevID, dwParam1, (MCI_GENERIC_PARMS*)dwParam2);
case MCI_RECORD:
case MCI_INFO:
case MCI_LOAD:

13
dlls/mciqtz32/mciqtz_private.h
View File

@ -25,17 +25,6 @@
#include "dshow.h"
typedef struct {
HANDLE thread;
HANDLE notify;
HANDLE done;
DWORD msg;
DWORD_PTR devid;
DWORD flags;
DWORD_PTR parms;
LRESULT res;
} WINE_MCIQTZ_TASK;
typedef struct {
MCIDEVICEID wDevID;
BOOL opened;
@ -54,8 +43,6 @@ typedef struct {
HANDLE callback;
HANDLE thread;
HANDLE stop_event;
CRITICAL_SECTION cs;
WINE_MCIQTZ_TASK task;
} WINE_MCIQTZ;
#endif /* __WINE_PRIVATE_MCIQTZ_H */

6
dlls/winmm/mci.c
View File

@ -891,6 +891,9 @@ static DWORD MCI_SendCommandFrom32(MCIDEVICEID wDevID, UINT16 wMsg, DWORD_PTR dw
LPWINE_MCIDRIVER wmd = MCI_GetDriver(wDevID);
if (wmd) {
if(wmd->CreatorThread != GetCurrentThreadId())
return MCIERR_INVALID_DEVICE_NAME;
dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
}
return dwRet;
@ -1872,6 +1875,9 @@ static DWORD MCI_Close(UINT wDevID, DWORD dwParam, LPMCI_GENERIC_PARMS lpParms)
return MCIERR_INVALID_DEVICE_ID;
}
if(wmd->CreatorThread != GetCurrentThreadId())
return MCIERR_INVALID_DEVICE_NAME;
dwRet = MCI_SendCommandFrom32(wDevID, MCI_CLOSE_DRIVER, dwParam, (DWORD_PTR)lpParms);
MCI_UnLoadMciDriver(wmd);

41
dlls/winmm/tests/mci.c
View File

@ -1391,6 +1391,46 @@ static void test_asyncWaveTypeMpegvideo(HWND hwnd)
test_notification(hwnd,"play (aborted by close)",MCI_NOTIFY_ABORTED);
}
static DWORD CALLBACK thread_cb(void *p)
{
HANDLE evt = p;
MCIERROR mr;
mr = mciSendStringA("play x", NULL, 0, NULL);
ok(mr == MCIERR_INVALID_DEVICE_NAME, "play gave: 0x%x\n", mr);
mr = mciSendStringA("close x", NULL, 0, NULL);
ok(mr == MCIERR_INVALID_DEVICE_NAME, "close gave: 0x%x\n", mr);
SetEvent(evt);
return 0;
}
static void test_threads(void)
{
MCIERROR mr;
HANDLE evt;
mr = mciSendStringA("open tempfile.wav alias x", NULL, 0, NULL);
ok(mr == 0 || mr == ok_saved, "open gave: 0x%x\n", mr);
if(mr){
skip("Cannot open tempfile.wav for playing (%s), skipping\n", dbg_mcierr(mr));
return;
}
evt = CreateEventW( NULL, TRUE, FALSE, NULL );
CloseHandle(CreateThread(NULL, 0, &thread_cb, evt, 0, NULL));
WaitForSingleObject(evt, INFINITE);
CloseHandle(evt);
mr = mciSendStringA("close x", NULL, 0, NULL);
ok(mr == 0, "close gave: 0x%x\n", mr);
}
START_TEST(mci)
{
char curdir[MAX_PATH], tmpdir[MAX_PATH];
@ -1407,6 +1447,7 @@ START_TEST(mci)
test_openCloseWAVE(hwnd);
test_recordWAVE(hwnd);
if(waveOutGetNumDevs()){
test_threads();
test_playWAVE(hwnd);
test_asyncWAVE(hwnd);
test_AutoOpenWAVE(hwnd);