ConsoleVRDPServer.cpp@ 330

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1	/** @file
2	*
3	* VBox Console VRDP Helper class
4	*/
5
6	/*
7	* Copyright (C) 2006 InnoTek Systemberatung GmbH
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License as published by the Free Software Foundation,
13	* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14	* distribution. VirtualBox OSE is distributed in the hope that it will
15	* be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* If you received this file as part of a commercial VirtualBox
18	* distribution, then only the terms of your commercial VirtualBox
19	* license agreement apply instead of the previous paragraph.
20	*/
21
22	#include "ConsoleVRDPServer.h"
23	#include "ConsoleImpl.h"
24	#include "DisplayImpl.h"
25
26	#include "Logging.h"
27
28	#include <iprt/ldr.h>
29
30	#include <VBox/err.h>
31
32
33	// ConsoleVRDPServer
34	////////////////////////////////////////////////////////////////////////////////
35
36	#ifdef VBOX_VRDP
37	RTLDRMOD ConsoleVRDPServer::mVRDPLibrary;
38	int (VBOXCALL ConsoleVRDPServer::mpfnVRDPStartServer) (IConsole pConsole, IVRDPServer pVRDPServer, HVRDPSERVER phServer);
39	int (VBOXCALL ConsoleVRDPServer::mpfnVRDPSetFramebuffer) (HVRDPSERVER hServer, IFramebuffer pFramebuffer, uint32_t fFlags);
40	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSetCallback) (HVRDPSERVER hServer, VRDPSERVERCALLBACK pcallback, void *pvUser);
41	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPShutdownServer) (HVRDPSERVER hServer);
42	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPSendUpdateBitmap)(HVRDPSERVER hServer, unsigned x, unsigned y, unsigned w, unsigned h);
43	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPSendResize) (HVRDPSERVER hServer);
44	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendAudioSamples)(HVRDPSERVER hserver, void pvSamples, uint32_t cSamples, VRDPAUDIOFORMAT format);
45	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPSendAudioVolume) (HVRDPSERVER hserver, uint16_t left, uint16_t right);
46	#ifdef VRDP_MC
47	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendUSBRequest) (HVRDPSERVER hserver, uint32_t u32ClientId, void pvParms, uint32_t cbParms);
48	#else
49	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendUSBRequest) (HVRDPSERVER hserver, void pvParms, uint32_t cbParms);
50	#endif /* VRDP_MC */
51	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendUpdate) (HVRDPSERVER hServer, void pvUpdate, uint32_t cbUpdate);
52	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPQueryInfo) (HVRDPSERVER hserver, uint32_t index, void pvBuffer, uint32_t cbBuffer, uint32_t *pcbOut);
53	#endif
54
55	ConsoleVRDPServer::ConsoleVRDPServer (Console *console)
56	{
57	mConsole = console;
58
59	#ifdef VRDP_MC
60	int rc = RTCritSectInit (&mCritSect);
61	AssertRC (rc);
62
63	#ifdef VBOX_WITH_USB
64	mUSBBackends.pHead = NULL;
65	mUSBBackends.pTail = NULL;
66
67	mUSBBackends.thread = NIL_RTTHREAD;
68	mUSBBackends.fThreadRunning = false;
69	mUSBBackends.event = 0;
70	#endif
71	#else
72	#ifdef VBOX_WITH_USB
73	mRemoteUSBBackend = NULL;
74	#endif
75	#endif /* VRDP_MC */
76
77	#ifdef VBOX_VRDP
78	mhServer = 0;
79	#endif
80
81	mAuthLibrary = 0;
82	}
83
84	ConsoleVRDPServer::~ConsoleVRDPServer ()
85	{
86	#ifdef VRDP_MC
87	Stop ();
88
89	if (RTCritSectIsInitialized (&mCritSect))
90	{
91	RTCritSectDelete (&mCritSect);
92	memset (&mCritSect, 0, sizeof (mCritSect));
93	}
94	#else
95	#ifdef VBOX_VRDP
96	Stop ();
97	/* No unloading of anything because we might still have live object around. */
98	#endif
99	#endif /* VRDP_MC */
100	}
101
102	int ConsoleVRDPServer::Launch (void)
103	{
104	LogFlowMember(("ConsoleVRDPServer::Launch\n"));
105	#ifdef VBOX_VRDP
106	int rc = VINF_SUCCESS;
107	IVRDPServer *vrdpserver = mConsole->getVRDPServer ();
108	Assert(vrdpserver);
109	BOOL vrdpEnabled = FALSE;
110
111	HRESULT rc2 = vrdpserver->COMGETTER(Enabled) (&vrdpEnabled);
112	AssertComRC(rc2);
113
114	if (SUCCEEDED (rc2)
115	&& vrdpEnabled
116	&& loadVRDPLibrary ())
117	{
118	rc = mpfnVRDPStartServer(mConsole, vrdpserver, &mhServer);
119
120	if (VBOX_SUCCESS(rc))
121	{
122	LogFlow(("VRDP server created: %p, will set mFramebuffer\n", mhServer));
123
124	IFramebuffer *framebuffer = mConsole->getDisplay()->getFramebuffer();
125
126	mpfnVRDPSetFramebuffer (mhServer, framebuffer,
127	framebuffer? VRDP_EXTERNAL_FRAMEBUFFER: VRDP_INTERNAL_FRAMEBUFFER);
128
129	LogFlow(("Framebuffer %p set for the VRDP server\n", framebuffer));
130
131	#ifdef VBOX_WITH_USB
132	#ifdef VRDP_MC
133	remoteUSBThreadStart ();
134	#endif /* VRDP_MC */
135	#endif /* VBOX_WITH_USB */
136	}
137	else
138	AssertMsgFailed(("Could not start VRDP server: rc = %Vrc\n", rc));
139	}
140	#else
141	int rc = VERR_NOT_SUPPORTED;
142	#endif
143	return rc;
144	}
145
146	void ConsoleVRDPServer::SetCallback (void)
147	{
148	#ifdef VBOX_VRDP
149	/* This is called after VM is created and allows the server to accept client connection. */
150	if (mhServer && mpfnVRDPSetCallback)
151	{
152	mpfnVRDPSetCallback (mhServer, mConsole->getVrdpServerCallback (), mConsole);
153	}
154	#endif
155	}
156
157	void ConsoleVRDPServer::Stop (void)
158	{
159	Assert(VALID_PTR(this)); /** @todo r=bird: there are(/was) some odd cases where this buster was invalid on
160	* linux. Just remove this when it's 100% sure that problem has been fixed. */
161	#ifdef VBOX_VRDP
162	if (mhServer)
163	{
164	HVRDPSERVER hServer = mhServer;
165
166	/* Reset the handle to avoid further calls to the server. */
167	mhServer = 0;
168
169	mpfnVRDPShutdownServer (hServer);
170	}
171	#endif
172
173	#ifdef VBOX_WITH_USB
174	#ifdef VRDP_MC
175	remoteUSBThreadStop ();
176	#else
177	/* Delete the USB backend object if it was not deleted properly. */
178	if (mRemoteUSBBackend)
179	{
180	Log(("ConsoleVRDPServer::Stop: deleting USB backend\n"));
181
182	mRemoteUSBBackend->ReleaseUSB ();
183	delete mRemoteUSBBackend;
184	mRemoteUSBBackend = NULL;
185	}
186	#endif /* VRDP_MC */
187	#endif /* VBOX_WITH_USB */
188
189	mpfnAuthEntry = NULL;
190
191	if (mAuthLibrary)
192	{
193	RTLdrClose(mAuthLibrary);
194	mAuthLibrary = 0;
195	}
196	}
197
198	#ifdef VRDP_MC
199	/* Worker thread for Remote USB. The thread polls the clients for
200	* the list of attached USB devices.
201	* The thread is also responsible for attaching/detaching devices
202	* to/from the VM.
203	*
204	* It is expected that attaching/detaching is not a frequent operation.
205	*
206	* The thread is always running when the VRDP server is active.
207	*
208	* The thread scans backends and requests the device list every 2 seconds.
209	*
210	* When device list is available, the thread calls the Console to process it.
211	*
212	*/
213	#define VRDP_DEVICE_LIST_PERIOD_MS (2000)
214
215	static DECLCALLBACK(int) threadRemoteUSB (RTTHREAD self, void *pvUser)
216	{
217	ConsoleVRDPServer pOwner = (ConsoleVRDPServer )pvUser;
218
219	LogFlow(("Console::threadRemoteUSB: start. owner = %p.\n", pOwner));
220
221	pOwner->notifyRemoteUSBThreadRunning (self);
222
223	while (pOwner->isRemoteUSBThreadRunning ())
224	{
225	RemoteUSBBackend *pRemoteUSBBackend = NULL;
226
227	while ((pRemoteUSBBackend = pOwner->usbBackendGetNext (pRemoteUSBBackend)) != NULL)
228	{
229	pRemoteUSBBackend->PollRemoteDevices ();
230	}
231
232	pOwner->waitRemoteUSBThreadEvent (VRDP_DEVICE_LIST_PERIOD_MS);
233
234	LogFlow(("Console::threadRemoteUSB: iteration. owner = %p.\n", pOwner));
235	}
236
237	return VINF_SUCCESS;
238	}
239
240	void ConsoleVRDPServer::notifyRemoteUSBThreadRunning (RTTHREAD thread)
241	{
242	mUSBBackends.thread = thread;
243	mUSBBackends.fThreadRunning = true;
244	int rc = RTThreadUserSignal (thread);
245	AssertRC (rc);
246	}
247
248	bool ConsoleVRDPServer::isRemoteUSBThreadRunning (void)
249	{
250	return mUSBBackends.fThreadRunning;
251	}
252
253	void ConsoleVRDPServer::waitRemoteUSBThreadEvent (unsigned cMillies)
254	{
255	int rc = RTSemEventWait (mUSBBackends.event, cMillies);
256	Assert (VBOX_SUCCESS(rc) \|\| rc == VERR_TIMEOUT);
257	}
258
259	void ConsoleVRDPServer::remoteUSBThreadStart (void)
260	{
261	int rc = RTSemEventCreate (&mUSBBackends.event);
262
263	if (VBOX_FAILURE (rc))
264	{
265	AssertFailed ();
266	mUSBBackends.event = 0;
267	}
268
269	if (VBOX_SUCCESS (rc))
270	{
271	rc = RTThreadCreate (&mUSBBackends.thread, threadRemoteUSB, this, 65536,
272	RTTHREADTYPE_VRDP_IO, RTTHREADFLAGS_WAITABLE, "remote usb");
273	}
274
275	if (VBOX_FAILURE (rc))
276	{
277	LogRel(("Warning: could not start the remote USB thread, rc = %Vrc!!!\n", rc));
278	mUSBBackends.thread = NIL_RTTHREAD;
279	}
280	else
281	{
282	/* Wait until the thread is ready. */
283	rc = RTThreadUserWait (mUSBBackends.thread, 60000);
284	AssertRC (rc);
285	Assert (mUSBBackends.fThreadRunning \|\| VBOX_FAILURE (rc));
286	}
287	}
288
289	void ConsoleVRDPServer::remoteUSBThreadStop (void)
290	{
291	mUSBBackends.fThreadRunning = false;
292
293	if (mUSBBackends.thread != NIL_RTTHREAD)
294	{
295	Assert (mUSBBackends.event != 0);
296
297	RTSemEventSignal (mUSBBackends.event);
298
299	int rc = RTThreadWait (mUSBBackends.thread, 60000, NULL);
300	AssertRC (rc);
301
302	mUSBBackends.thread = NIL_RTTHREAD;
303	}
304
305	if (mUSBBackends.event)
306	{
307	RTSemEventDestroy (mUSBBackends.event);
308	mUSBBackends.event = 0;
309	}
310	}
311	#endif /* VRDP_MC */
312
313	VRDPAuthResult ConsoleVRDPServer::Authenticate (const Guid &uuid, VRDPAuthGuestJudgement guestJudgement,
314	const char pszUser, const char pszPassword, const char *pszDomain)
315	{
316	VRDPAUTHUUID rawuuid;
317
318	memcpy (rawuuid, ((Guid &)uuid).ptr (), sizeof (rawuuid));
319
320	LogFlow(("ConsoleVRDPServer::Authenticate: uuid = %Vuuid, guestJudgement = %d, pszUser = %s, pszPassword = %s, pszDomain = %s\n",
321	rawuuid, guestJudgement, pszUser, pszPassword, pszDomain));
322
323	/*
324	* Called only from VRDP input thread. So thread safety is not required.
325	*/
326
327	if (!mAuthLibrary)
328	{
329	/* Load the external authentication library. */
330
331	ComPtr<IMachine> machine;
332	mConsole->COMGETTER(Machine)(machine.asOutParam());
333
334	ComPtr<IVirtualBox> virtualBox;
335	machine->COMGETTER(Parent)(virtualBox.asOutParam());
336
337	ComPtr<ISystemProperties> systemProperties;
338	virtualBox->COMGETTER(SystemProperties)(systemProperties.asOutParam());
339
340	Bstr authLibrary;
341	systemProperties->COMGETTER(RemoteDisplayAuthLibrary)(authLibrary.asOutParam());
342
343	Utf8Str filename = authLibrary;
344
345	LogRel(("ConsoleVRDPServer::Authenticate: loading external authentication library '%ls'\n", authLibrary.raw()));
346
347	int rc = RTLdrLoad (filename.raw(), &mAuthLibrary);
348	if (VBOX_FAILURE (rc))
349	LogRel(("Failed to load external authentication library. Error code: %Vrc\n", rc));
350
351	if (VBOX_SUCCESS (rc))
352	{
353	/* Get the entry point. */
354	rc = RTLdrGetSymbol(mAuthLibrary, "VRDPAuth", (void**)&mpfnAuthEntry);
355	if (VBOX_FAILURE (rc))
356	LogRel(("Failed to resolve import 'VRDPAuth'. Error code: %Vrc\n", rc));
357	}
358
359	if (VBOX_FAILURE (rc))
360	{
361	mConsole->reportAuthLibraryError (filename.raw(), rc);
362
363	mpfnAuthEntry = NULL;
364
365	if (mAuthLibrary)
366	{
367	RTLdrClose(mAuthLibrary);
368	mAuthLibrary = 0;
369	}
370
371	return VRDPAuthAccessDenied;
372	}
373	}
374
375	Assert (mAuthLibrary && mpfnAuthEntry);
376
377	VRDPAuthResult result = mpfnAuthEntry (&rawuuid, guestJudgement, pszUser, pszPassword, pszDomain);
378
379	switch (result)
380	{
381	case VRDPAuthAccessDenied:
382	LogRel(("VRDP: external authentication module returned 'access denied'\n"));
383	break;
384	case VRDPAuthAccessGranted:
385	LogRel(("VRDP: external authentication module returned 'access granted'\n"));
386	break;
387	case VRDPAuthDelegateToGuest:
388	LogRel(("VRDP: external authentication module returned 'delegate request to guest'\n"));
389	break;
390	default:
391	LogRel(("VRDP: external authentication module returned incorrect return code %d\n", result));
392	result = VRDPAuthAccessDenied;
393	}
394
395	LogFlow(("ConsoleVRDPServer::Authenticate: result = %d\n", result));
396
397	return result;
398	}
399
400
401	#ifdef VRDP_MC
402	int ConsoleVRDPServer::lockConsoleVRDPServer (void)
403	{
404	int rc = RTCritSectEnter (&mCritSect);
405	AssertRC (rc);
406	return rc;
407	}
408
409	void ConsoleVRDPServer::unlockConsoleVRDPServer (void)
410	{
411	RTCritSectLeave (&mCritSect);
412	}
413
414	/* That is called on INPUT thread of the VRDP server.
415	* The ConsoleVRDPServer keeps a list of created backend instances.
416	*/
417	void ConsoleVRDPServer::USBBackendCreate (uint32_t u32ClientId, PFNVRDPUSBCALLBACK ppfn, void *ppv)
418	{
419	LogFlow(("ConsoleVRDPServer::USBBackendCreate: u32ClientId = %d\n", u32ClientId));
420
421	/* Create a new instance of the USB backend for the new client. */
422	RemoteUSBBackend *pRemoteUSBBackend = new RemoteUSBBackend (mConsole, this, u32ClientId);
423
424	if (pRemoteUSBBackend)
425	{
426	pRemoteUSBBackend->AddRef (); /* 'Release' called in USBBackendDelete. */
427
428	/* Append the new instance in the list. */
429	int rc = lockConsoleVRDPServer ();
430
431	if (VBOX_SUCCESS (rc))
432	{
433	pRemoteUSBBackend->pNext = mUSBBackends.pHead;
434	if (mUSBBackends.pHead)
435	{
436	mUSBBackends.pHead->pPrev = pRemoteUSBBackend;
437	}
438	else
439	{
440	mUSBBackends.pTail = pRemoteUSBBackend;
441	}
442
443	mUSBBackends.pHead = pRemoteUSBBackend;
444
445	unlockConsoleVRDPServer ();
446
447	pRemoteUSBBackend->QueryVRDPCallbackPointer (ppfn, ppv);
448	}
449
450	if (VBOX_FAILURE (rc))
451	{
452	pRemoteUSBBackend->Release ();
453	}
454	}
455	}
456
457	void ConsoleVRDPServer::USBBackendDelete (uint32_t u32ClientId)
458	{
459	LogFlow(("ConsoleVRDPServer::USBBackendDelete: u32ClientId = %d\n", u32ClientId));
460
461	RemoteUSBBackend *pRemoteUSBBackend = NULL;
462
463	/* Find the instance. */
464	int rc = lockConsoleVRDPServer ();
465
466	if (VBOX_SUCCESS (rc))
467	{
468	pRemoteUSBBackend = usbBackendFind (u32ClientId);
469
470	if (pRemoteUSBBackend)
471	{
472	/* Notify that it will be deleted. */
473	pRemoteUSBBackend->NotifyDelete ();
474	}
475
476	unlockConsoleVRDPServer ();
477	}
478
479	if (pRemoteUSBBackend)
480	{
481	/* Here the instance has been excluded from the list and can be dereferenced. */
482	pRemoteUSBBackend->Release ();
483	}
484	}
485
486	void ConsoleVRDPServer::USBBackendRequestPointer (uint32_t u32ClientId, const Guid pGuid)
487	{
488	RemoteUSBBackend *pRemoteUSBBackend = NULL;
489
490	/* Find the instance. */
491	int rc = lockConsoleVRDPServer ();
492
493	if (VBOX_SUCCESS (rc))
494	{
495	pRemoteUSBBackend = usbBackendFind (u32ClientId);
496
497	if (pRemoteUSBBackend)
498	{
499	/* Inform the backend instance that it is referenced by the Guid. */
500	bool fAdded = pRemoteUSBBackend->addUUID (pGuid);
501
502	if (fAdded)
503	{
504	/* Reference the instance because its pointer is being taken. */
505	pRemoteUSBBackend->AddRef (); /* 'Release' is called in USBBackendReleasePointer. */
506	}
507	else
508	{
509	pRemoteUSBBackend = NULL;
510	}
511	}
512
513	unlockConsoleVRDPServer ();
514	}
515
516	if (pRemoteUSBBackend)
517	{
518	return pRemoteUSBBackend->GetBackendCallbackPointer ();
519	}
520
521	return NULL;
522	}
523
524	void ConsoleVRDPServer::USBBackendReleasePointer (const Guid *pGuid)
525	{
526	RemoteUSBBackend *pRemoteUSBBackend = NULL;
527
528	/* Find the instance. */
529	int rc = lockConsoleVRDPServer ();
530
531	if (VBOX_SUCCESS (rc))
532	{
533	pRemoteUSBBackend = usbBackendFindByUUID (pGuid);
534
535	if (pRemoteUSBBackend)
536	{
537	pRemoteUSBBackend->removeUUID (pGuid);
538	}
539
540	unlockConsoleVRDPServer ();
541
542	if (pRemoteUSBBackend)
543	{
544	pRemoteUSBBackend->Release ();
545	}
546	}
547	}
548
549	RemoteUSBBackend ConsoleVRDPServer::usbBackendGetNext (RemoteUSBBackend pRemoteUSBBackend)
550	{
551	LogFlow(("ConsoleVRDPServer::usbBackendGetNext: pBackend = %p\n", pRemoteUSBBackend));
552
553	RemoteUSBBackend *pNextRemoteUSBBackend = NULL;
554
555	int rc = lockConsoleVRDPServer ();
556
557	if (VBOX_SUCCESS (rc))
558	{
559	if (pRemoteUSBBackend == NULL)
560	{
561	/* The first backend in the list is requested. */
562	pNextRemoteUSBBackend = mUSBBackends.pHead;
563	}
564	else
565	{
566	/* Get pointer to the next backend. */
567	pNextRemoteUSBBackend = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
568	}
569
570	if (pNextRemoteUSBBackend)
571	{
572	pNextRemoteUSBBackend->AddRef ();
573	}
574
575	unlockConsoleVRDPServer ();
576
577	if (pRemoteUSBBackend)
578	{
579	pRemoteUSBBackend->Release ();
580	}
581	}
582
583	return pNextRemoteUSBBackend;
584	}
585
586	/* Internal method. Called under the ConsoleVRDPServerLock. */
587	RemoteUSBBackend *ConsoleVRDPServer::usbBackendFind (uint32_t u32ClientId)
588	{
589	RemoteUSBBackend *pRemoteUSBBackend = mUSBBackends.pHead;
590
591	while (pRemoteUSBBackend)
592	{
593	if (pRemoteUSBBackend->ClientId () == u32ClientId)
594	{
595	break;
596	}
597
598	pRemoteUSBBackend = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
599	}
600
601	return pRemoteUSBBackend;
602	}
603
604	/* Internal method. Called under the ConsoleVRDPServerLock. */
605	RemoteUSBBackend ConsoleVRDPServer::usbBackendFindByUUID (const Guid pGuid)
606	{
607	RemoteUSBBackend *pRemoteUSBBackend = mUSBBackends.pHead;
608
609	while (pRemoteUSBBackend)
610	{
611	if (pRemoteUSBBackend->findUUID (pGuid))
612	{
613	break;
614	}
615
616	pRemoteUSBBackend = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
617	}
618
619	return pRemoteUSBBackend;
620	}
621
622	/* Internal method. Called by the backend destructor. */
623	void ConsoleVRDPServer::usbBackendRemoveFromList (RemoteUSBBackend *pRemoteUSBBackend)
624	{
625	int rc = lockConsoleVRDPServer ();
626	AssertRC (rc);
627
628	/* Exclude the found instance from the list. */
629	if (pRemoteUSBBackend->pNext)
630	{
631	pRemoteUSBBackend->pNext->pPrev = pRemoteUSBBackend->pPrev;
632	}
633	else
634	{
635	mUSBBackends.pTail = (RemoteUSBBackend *)pRemoteUSBBackend->pPrev;
636	}
637
638	if (pRemoteUSBBackend->pPrev)
639	{
640	pRemoteUSBBackend->pPrev->pNext = pRemoteUSBBackend->pNext;
641	}
642	else
643	{
644	mUSBBackends.pHead = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
645	}
646
647	pRemoteUSBBackend->pNext = pRemoteUSBBackend->pPrev = NULL;
648
649	unlockConsoleVRDPServer ();
650	}
651	#else
652	void ConsoleVRDPServer::CreateUSBBackend (PFNVRDPUSBCALLBACK ppfn, void *ppv)
653	{
654	#ifdef VBOX_WITH_USB
655	Assert(mRemoteUSBBackend == NULL);
656
657	mRemoteUSBBackend = new RemoteUSBBackend (mConsole, this);
658
659	if (mRemoteUSBBackend)
660	{
661	int rc = mRemoteUSBBackend->InterceptUSB (ppfn, ppv);
662
663	if (VBOX_FAILURE (rc))
664	{
665	delete mRemoteUSBBackend;
666	mRemoteUSBBackend = NULL;
667	}
668	}
669	#endif /* VBOX_WITH_USB */
670	}
671
672	void ConsoleVRDPServer::DeleteUSBBackend (void)
673	{
674	#ifdef VBOX_WITH_USB
675	LogFlow(("ConsoleVRDPServer::DeleteUSBBackend: %p\n", mRemoteUSBBackend));
676
677	if (mRemoteUSBBackend)
678	{
679	mRemoteUSBBackend->ReleaseUSB ();
680	delete mRemoteUSBBackend;
681	mRemoteUSBBackend = NULL;
682	}
683	#endif /* VBOX_WITH_USB */
684	}
685
686	void *ConsoleVRDPServer::GetUSBBackendPointer (void)
687	{
688	#ifdef VBOX_WITH_USB
689	Assert (mRemoteUSBBackend); /* Must be called only if the object exists. */
690	return mRemoteUSBBackend->GetRemoteBackendCallback ();
691	#else
692	return NULL;
693	#endif
694	}
695	#endif /* VRDP_MC */
696
697
698
699	void ConsoleVRDPServer::SendUpdate (void *pvUpdate, uint32_t cbUpdate) const
700	{
701	#ifdef VBOX_VRDP
702	if (mpfnVRDPSendUpdate)
703	mpfnVRDPSendUpdate (mhServer, pvUpdate, cbUpdate);
704	#endif
705	}
706
707	void ConsoleVRDPServer::SendResize (void) const
708	{
709	#ifdef VBOX_VRDP
710	if (mpfnVRDPSendResize)
711	mpfnVRDPSendResize (mhServer);
712	#endif
713	}
714
715	void ConsoleVRDPServer::SendUpdateBitmap (uint32_t x, uint32_t y, uint32_t w, uint32_t h) const
716	{
717	#ifdef VBOX_VRDP
718	if (mpfnVRDPSendUpdateBitmap)
719	mpfnVRDPSendUpdateBitmap (mhServer, x, y, w, h);
720	#endif
721	}
722
723	void ConsoleVRDPServer::SetFramebuffer (IFramebuffer *framebuffer, uint32_t fFlags) const
724	{
725	#ifdef VBOX_VRDP
726	if (mpfnVRDPSetFramebuffer)
727	mpfnVRDPSetFramebuffer (mhServer, framebuffer, fFlags);
728	#endif
729	}
730
731	void ConsoleVRDPServer::SendAudioSamples (void *pvSamples, uint32_t cSamples, VRDPAUDIOFORMAT format) const
732	{
733	#ifdef VBOX_VRDP
734	if (mpfnVRDPSendAudioSamples)
735	mpfnVRDPSendAudioSamples (mhServer, pvSamples, cSamples, format);
736	#endif
737	}
738
739	void ConsoleVRDPServer::SendAudioVolume (uint16_t left, uint16_t right) const
740	{
741	#ifdef VBOX_VRDP
742	if (mpfnVRDPSendAudioVolume)
743	mpfnVRDPSendAudioVolume (mhServer, left, right);
744	#endif
745	}
746
747	#ifdef VRDP_MC
748	void ConsoleVRDPServer::SendUSBRequest (uint32_t u32ClientId, void *pvParms, uint32_t cbParms) const
749	{
750	#ifdef VBOX_VRDP
751	if (mpfnVRDPSendUSBRequest)
752	mpfnVRDPSendUSBRequest (mhServer, u32ClientId, pvParms, cbParms);
753	#endif
754	}
755	#else
756	void ConsoleVRDPServer::SendUSBRequest (void *pvParms, uint32_t cbParms) const
757	{
758	#ifdef VBOX_VRDP
759	if (mpfnVRDPSendUSBRequest)
760	mpfnVRDPSendUSBRequest (mhServer, pvParms, cbParms);
761	#endif
762	}
763	#endif /* VRDP_MC */
764
765	void ConsoleVRDPServer::QueryInfo (uint32_t index, void pvBuffer, uint32_t cbBuffer, uint32_t pcbOut) const
766	{
767	#ifdef VBOX_VRDP
768	if (mpfnVRDPQueryInfo)
769	mpfnVRDPQueryInfo (mhServer, index, pvBuffer, cbBuffer, pcbOut);
770	#endif
771	}
772
773	#ifdef VBOX_VRDP
774	/* note: static function now! */
775	bool ConsoleVRDPServer::loadVRDPLibrary (void)
776	{
777	int rc = VINF_SUCCESS;
778
779	if (!mVRDPLibrary)
780	{
781	rc = RTLdrLoad("VBoxVRDP", &mVRDPLibrary);
782
783	if (VBOX_SUCCESS(rc))
784	{
785	LogFlow(("VRDPServer::loadLibrary(): successfully loaded VRDP library.\n"));
786
787	struct SymbolEntry
788	{
789	char *name;
790	void **ppfn;
791	};
792
793	#define DEFSYMENTRY(a) { #a, (void**)&mpfn##a }
794
795	static const struct SymbolEntry symbols[] =
796	{
797	DEFSYMENTRY(VRDPStartServer),
798	DEFSYMENTRY(VRDPSetFramebuffer),
799	DEFSYMENTRY(VRDPSetCallback),
800	DEFSYMENTRY(VRDPShutdownServer),
801	DEFSYMENTRY(VRDPSendUpdate),
802	DEFSYMENTRY(VRDPSendUpdateBitmap),
803	DEFSYMENTRY(VRDPSendResize),
804	DEFSYMENTRY(VRDPSendAudioSamples),
805	DEFSYMENTRY(VRDPSendAudioVolume),
806	DEFSYMENTRY(VRDPSendUSBRequest),
807	DEFSYMENTRY(VRDPQueryInfo),
808	};
809
810	#undef DEFSYMENTRY
811
812	for (unsigned i = 0; i < ELEMENTS(symbols); i++)
813	{
814	rc = RTLdrGetSymbol(mVRDPLibrary, symbols[i].name, symbols[i].ppfn);
815
816	AssertMsgRC(rc, ("Error resolving VRDP symbol %s\n", symbols[i].name));
817
818	if (VBOX_FAILURE(rc))
819	{
820	break;
821	}
822	}
823	}
824	else
825	{
826	LogFlow(("VRDPServer::loadLibrary(): failed to load VRDP library! VRDP not available.\n"));
827	mVRDPLibrary = NULL;
828	}
829	}
830
831	// just to be safe
832	if (VBOX_FAILURE(rc))
833	{
834	if (mVRDPLibrary)
835	{
836	RTLdrClose (mVRDPLibrary);
837	mVRDPLibrary = NULL;
838	}
839	}
840
841	return (mVRDPLibrary != NULL);
842	}
843	#endif /* VBOX_VRDP */
844
845	/*
846	* IRemoteDisplayInfo implementation.
847	*/
848	// constructor / destructor
849	/////////////////////////////////////////////////////////////////////////////
850
851	HRESULT RemoteDisplayInfo::FinalConstruct()
852	{
853	return S_OK;
854	}
855
856	void RemoteDisplayInfo::FinalRelease()
857	{
858	if (isReady())
859	uninit ();
860	}
861
862	// public methods only for internal purposes
863	/////////////////////////////////////////////////////////////////////////////
864
865	/**
866	* Initializes the guest object.
867	*/
868	HRESULT RemoteDisplayInfo::init (Console *aParent)
869	{
870	LogFlowMember (("RemoteDisplayInfo::init (%p)\n", aParent));
871
872	ComAssertRet (aParent, E_INVALIDARG);
873
874	AutoLock alock (this);
875	ComAssertRet (!isReady(), E_UNEXPECTED);
876
877	mParent = aParent;
878
879	setReady (true);
880	return S_OK;
881	}
882
883	/**
884	* Uninitializes the instance and sets the ready flag to FALSE.
885	* Called either from FinalRelease() or by the parent when it gets destroyed.
886	*/
887	void RemoteDisplayInfo::uninit()
888	{
889	LogFlowMember (("RemoteDisplayInfo::uninit()\n"));
890
891	AutoLock alock (this);
892	AssertReturn (isReady(), (void) 0);
893
894	mParent.setNull();
895
896	setReady (false);
897	}
898
899	// IRemoteDisplayInfo properties
900	/////////////////////////////////////////////////////////////////////////////
901
902	#define IMPL_GETTER_BOOL(_aType, _aName, _aIndex) \
903	STDMETHODIMP RemoteDisplayInfo::COMGETTER(_aName) (_aType *a##_aName) \
904	{ \
905	if (!a##_aName) \
906	return E_POINTER; \
907	\
908	AutoLock alock (this); \
909	CHECK_READY(); \
910	\
911	uint32_t value; \
912	uint32_t cbOut = 0; \
913	\
914	mParent->consoleVRDPServer ()->QueryInfo \
915	(_aIndex, &value, sizeof (value), &cbOut); \
916	\
917	*a##_aName = cbOut? !!value: FALSE; \
918	\
919	return S_OK; \
920	}
921
922	#define IMPL_GETTER_SCALAR(_aType, _aName, _aIndex) \
923	STDMETHODIMP RemoteDisplayInfo::COMGETTER(_aName) (_aType *a##_aName) \
924	{ \
925	if (!a##_aName) \
926	return E_POINTER; \
927	\
928	AutoLock alock (this); \
929	CHECK_READY(); \
930	\
931	_aType value; \
932	uint32_t cbOut = 0; \
933	\
934	mParent->consoleVRDPServer ()->QueryInfo \
935	(_aIndex, &value, sizeof (value), &cbOut); \
936	\
937	*a##_aName = cbOut? value: 0; \
938	\
939	return S_OK; \
940	}
941
942	#define IMPL_GETTER_BSTR(_aType, _aName, _aIndex) \
943	STDMETHODIMP RemoteDisplayInfo::COMGETTER(_aName) (_aType *a##_aName) \
944	{ \
945	if (!a##_aName) \
946	return E_POINTER; \
947	\
948	AutoLock alock (this); \
949	CHECK_READY(); \
950	\
951	uint32_t cbOut = 0; \
952	\
953	mParent->consoleVRDPServer ()->QueryInfo \
954	(_aIndex, NULL, 0, &cbOut); \
955	\
956	if (cbOut == 0) \
957	{ \
958	Bstr str(""); \
959	str.cloneTo (a##_aName); \
960	return S_OK; \
961	} \
962	\
963	char pchBuffer = (char )RTMemTmpAlloc (cbOut); \
964	\
965	if (!pchBuffer) \
966	{ \
967	Log(("RemoteDisplayInfo::" \
968	#_aName \
969	": Failed to allocate memory %d bytes\n", cbOut)); \
970	return E_OUTOFMEMORY; \
971	} \
972	\
973	mParent->consoleVRDPServer ()->QueryInfo \
974	(_aIndex, pchBuffer, cbOut, &cbOut); \
975	\
976	Bstr str(pchBuffer); \
977	\
978	str.cloneTo (a##_aName); \
979	\
980	RTMemTmpFree (pchBuffer); \
981	\
982	return S_OK; \
983	}
984
985	IMPL_GETTER_BOOL (BOOL, Active, VRDP_QI_ACTIVE);
986	IMPL_GETTER_SCALAR (ULONG, NumberOfClients, VRDP_QI_NUMBER_OF_CLIENTS);
987	IMPL_GETTER_SCALAR (LONG64, BeginTime, VRDP_QI_BEGIN_TIME);
988	IMPL_GETTER_SCALAR (LONG64, EndTime, VRDP_QI_END_TIME);
989	IMPL_GETTER_SCALAR (ULONG64, BytesSent, VRDP_QI_BYTES_SENT);
990	IMPL_GETTER_SCALAR (ULONG64, BytesSentTotal, VRDP_QI_BYTES_SENT_TOTAL);
991	IMPL_GETTER_SCALAR (ULONG64, BytesReceived, VRDP_QI_BYTES_RECEIVED);
992	IMPL_GETTER_SCALAR (ULONG64, BytesReceivedTotal, VRDP_QI_BYTES_RECEIVED_TOTAL);
993	IMPL_GETTER_BSTR (BSTR, User, VRDP_QI_USER);
994	IMPL_GETTER_BSTR (BSTR, Domain, VRDP_QI_DOMAIN);
995	IMPL_GETTER_BSTR (BSTR, ClientName, VRDP_QI_CLIENT_NAME);
996	IMPL_GETTER_BSTR (BSTR, ClientIP, VRDP_QI_CLIENT_IP);
997	IMPL_GETTER_SCALAR (ULONG, ClientVersion, VRDP_QI_CLIENT_VERSION);
998	IMPL_GETTER_SCALAR (ULONG, EncryptionStyle, VRDP_QI_ENCRYPTION_STYLE);
999
1000	#undef IMPL_GETTER_BSTR
1001	#undef IMPL_GETTER_SCALAR

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source: vbox/trunk/src/VBox/Main/ConsoleVRDPServer.cpp@ 330

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