ConsoleVRDPServer.cpp@ 3516

Last change on this file since 3516 was 3278, checked in by vboxsync, 18 years ago
Removed some obsolete VRDP code.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 36.3 KB

Line
1	/** @file
2	*
3	* VBox Console VRDP Helper class
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 innotek 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/asm.h>
29	#include <iprt/ldr.h>
30
31	#include <VBox/err.h>
32
33
34	// ConsoleVRDPServer
35	////////////////////////////////////////////////////////////////////////////////
36
37	#ifdef VBOX_VRDP
38	RTLDRMOD ConsoleVRDPServer::mVRDPLibrary;
39	int (VBOXCALL ConsoleVRDPServer::mpfnVRDPStartServer) (IConsole pConsole, IVRDPServer pVRDPServer, HVRDPSERVER phServer);
40	int (VBOXCALL ConsoleVRDPServer::mpfnVRDPSetFramebuffer) (HVRDPSERVER hServer, IFramebuffer pFramebuffer, uint32_t fFlags);
41	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSetCallback) (HVRDPSERVER hServer, VRDPSERVERCALLBACK pcallback, void *pvUser);
42	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPShutdownServer) (HVRDPSERVER hServer);
43	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPSendUpdateBitmap)(HVRDPSERVER hServer, unsigned uScreenId, unsigned x, unsigned y, unsigned w, unsigned h);
44	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPSendResize) (HVRDPSERVER hServer);
45	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendAudioSamples)(HVRDPSERVER hserver, void pvSamples, uint32_t cSamples, VRDPAUDIOFORMAT format);
46	void (VBOXCALL *ConsoleVRDPServer::mpfnVRDPSendAudioVolume) (HVRDPSERVER hserver, uint16_t left, uint16_t right);
47	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendUSBRequest) (HVRDPSERVER hserver, uint32_t u32ClientId, void pvParms, uint32_t cbParms);
48	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPSendUpdate) (HVRDPSERVER hServer, unsigned uScreenId, void pvUpdate, uint32_t cbUpdate);
49	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPQueryInfo) (HVRDPSERVER hserver, uint32_t index, void pvBuffer, uint32_t cbBuffer, uint32_t *pcbOut);
50	void (VBOXCALL ConsoleVRDPServer::mpfnVRDPClipboard) (HVRDPSERVER hserver, uint32_t u32Function, uint32_t u32Format, const void pvData, uint32_t cbData, uint32_t *pcbActualRead);
51	#endif /* VBOX_VRDP */
52
53	ConsoleVRDPServer::ConsoleVRDPServer (Console *console)
54	{
55	mConsole = console;
56
57	int rc = RTCritSectInit (&mCritSect);
58	AssertRC (rc);
59
60	mcClipboardRefs = 0;
61	mpfnClipboardCallback = NULL;
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
72	#ifdef VBOX_VRDP
73	mhServer = 0;
74	#endif
75
76	mAuthLibrary = 0;
77	}
78
79	ConsoleVRDPServer::~ConsoleVRDPServer ()
80	{
81	Stop ();
82
83	if (RTCritSectIsInitialized (&mCritSect))
84	{
85	RTCritSectDelete (&mCritSect);
86	memset (&mCritSect, 0, sizeof (mCritSect));
87	}
88	}
89
90	int ConsoleVRDPServer::Launch (void)
91	{
92	LogFlowMember(("ConsoleVRDPServer::Launch\n"));
93	#ifdef VBOX_VRDP
94	int rc = VINF_SUCCESS;
95	IVRDPServer *vrdpserver = mConsole->getVRDPServer ();
96	Assert(vrdpserver);
97	BOOL vrdpEnabled = FALSE;
98
99	HRESULT rc2 = vrdpserver->COMGETTER(Enabled) (&vrdpEnabled);
100	AssertComRC(rc2);
101
102	if (SUCCEEDED (rc2)
103	&& vrdpEnabled
104	&& loadVRDPLibrary ())
105	{
106	rc = mpfnVRDPStartServer(mConsole, vrdpserver, &mhServer);
107
108	if (VBOX_SUCCESS(rc))
109	{
110	#ifdef VBOX_WITH_USB
111	remoteUSBThreadStart ();
112	#endif /* VBOX_WITH_USB */
113	}
114	else
115	AssertMsgFailed(("Could not start VRDP server: rc = %Vrc\n", rc));
116	}
117	#else
118	int rc = VERR_NOT_SUPPORTED;
119	#endif
120	return rc;
121	}
122
123	void ConsoleVRDPServer::SetCallback (void)
124	{
125	#ifdef VBOX_VRDP
126	/* This is called after VM is created and allows the server to accept client connection. */
127	if (mhServer && mpfnVRDPSetCallback)
128	{
129	mpfnVRDPSetCallback (mhServer, mConsole->getVrdpServerCallback (), mConsole);
130	}
131	#endif
132	}
133
134	void ConsoleVRDPServer::Stop (void)
135	{
136	Assert(VALID_PTR(this)); /** @todo r=bird: there are(/was) some odd cases where this buster was invalid on
137	* linux. Just remove this when it's 100% sure that problem has been fixed. */
138	#ifdef VBOX_VRDP
139	if (mhServer)
140	{
141	HVRDPSERVER hServer = mhServer;
142
143	/* Reset the handle to avoid further calls to the server. */
144	mhServer = 0;
145
146	mpfnVRDPShutdownServer (hServer);
147	}
148	#endif
149
150	#ifdef VBOX_WITH_USB
151	remoteUSBThreadStop ();
152	#endif /* VBOX_WITH_USB */
153
154	mpfnAuthEntry = NULL;
155	mpfnAuthEntry2 = NULL;
156
157	if (mAuthLibrary)
158	{
159	RTLdrClose(mAuthLibrary);
160	mAuthLibrary = 0;
161	}
162	}
163
164	/* Worker thread for Remote USB. The thread polls the clients for
165	* the list of attached USB devices.
166	* The thread is also responsible for attaching/detaching devices
167	* to/from the VM.
168	*
169	* It is expected that attaching/detaching is not a frequent operation.
170	*
171	* The thread is always running when the VRDP server is active.
172	*
173	* The thread scans backends and requests the device list every 2 seconds.
174	*
175	* When device list is available, the thread calls the Console to process it.
176	*
177	*/
178	#define VRDP_DEVICE_LIST_PERIOD_MS (2000)
179
180	#ifdef VBOX_WITH_USB
181	static DECLCALLBACK(int) threadRemoteUSB (RTTHREAD self, void *pvUser)
182	{
183	ConsoleVRDPServer pOwner = (ConsoleVRDPServer )pvUser;
184
185	LogFlow(("Console::threadRemoteUSB: start. owner = %p.\n", pOwner));
186
187	pOwner->notifyRemoteUSBThreadRunning (self);
188
189	while (pOwner->isRemoteUSBThreadRunning ())
190	{
191	RemoteUSBBackend *pRemoteUSBBackend = NULL;
192
193	while ((pRemoteUSBBackend = pOwner->usbBackendGetNext (pRemoteUSBBackend)) != NULL)
194	{
195	pRemoteUSBBackend->PollRemoteDevices ();
196	}
197
198	pOwner->waitRemoteUSBThreadEvent (VRDP_DEVICE_LIST_PERIOD_MS);
199
200	LogFlow(("Console::threadRemoteUSB: iteration. owner = %p.\n", pOwner));
201	}
202
203	return VINF_SUCCESS;
204	}
205
206	void ConsoleVRDPServer::notifyRemoteUSBThreadRunning (RTTHREAD thread)
207	{
208	mUSBBackends.thread = thread;
209	mUSBBackends.fThreadRunning = true;
210	int rc = RTThreadUserSignal (thread);
211	AssertRC (rc);
212	}
213
214	bool ConsoleVRDPServer::isRemoteUSBThreadRunning (void)
215	{
216	return mUSBBackends.fThreadRunning;
217	}
218
219	void ConsoleVRDPServer::waitRemoteUSBThreadEvent (unsigned cMillies)
220	{
221	int rc = RTSemEventWait (mUSBBackends.event, cMillies);
222	Assert (VBOX_SUCCESS(rc) \|\| rc == VERR_TIMEOUT);
223	NOREF(rc);
224	}
225
226	void ConsoleVRDPServer::remoteUSBThreadStart (void)
227	{
228	int rc = RTSemEventCreate (&mUSBBackends.event);
229
230	if (VBOX_FAILURE (rc))
231	{
232	AssertFailed ();
233	mUSBBackends.event = 0;
234	}
235
236	if (VBOX_SUCCESS (rc))
237	{
238	rc = RTThreadCreate (&mUSBBackends.thread, threadRemoteUSB, this, 65536,
239	RTTHREADTYPE_VRDP_IO, RTTHREADFLAGS_WAITABLE, "remote usb");
240	}
241
242	if (VBOX_FAILURE (rc))
243	{
244	LogRel(("Warning: could not start the remote USB thread, rc = %Vrc!!!\n", rc));
245	mUSBBackends.thread = NIL_RTTHREAD;
246	}
247	else
248	{
249	/* Wait until the thread is ready. */
250	rc = RTThreadUserWait (mUSBBackends.thread, 60000);
251	AssertRC (rc);
252	Assert (mUSBBackends.fThreadRunning \|\| VBOX_FAILURE (rc));
253	}
254	}
255
256	void ConsoleVRDPServer::remoteUSBThreadStop (void)
257	{
258	mUSBBackends.fThreadRunning = false;
259
260	if (mUSBBackends.thread != NIL_RTTHREAD)
261	{
262	Assert (mUSBBackends.event != 0);
263
264	RTSemEventSignal (mUSBBackends.event);
265
266	int rc = RTThreadWait (mUSBBackends.thread, 60000, NULL);
267	AssertRC (rc);
268
269	mUSBBackends.thread = NIL_RTTHREAD;
270	}
271
272	if (mUSBBackends.event)
273	{
274	RTSemEventDestroy (mUSBBackends.event);
275	mUSBBackends.event = 0;
276	}
277	}
278	#endif /* VBOX_WITH_USB */
279
280	VRDPAuthResult ConsoleVRDPServer::Authenticate (const Guid &uuid, VRDPAuthGuestJudgement guestJudgement,
281	const char pszUser, const char pszPassword, const char *pszDomain,
282	uint32_t u32ClientId)
283	{
284	VRDPAUTHUUID rawuuid;
285
286	memcpy (rawuuid, ((Guid &)uuid).ptr (), sizeof (rawuuid));
287
288	LogFlow(("ConsoleVRDPServer::Authenticate: uuid = %Vuuid, guestJudgement = %d, pszUser = %s, pszPassword = %s, pszDomain = %s, u32ClientId = %d\n",
289	rawuuid, guestJudgement, pszUser, pszPassword, pszDomain, u32ClientId));
290
291	/*
292	* Called only from VRDP input thread. So thread safety is not required.
293	*/
294
295	if (!mAuthLibrary)
296	{
297	/* Load the external authentication library. */
298
299	ComPtr<IMachine> machine;
300	mConsole->COMGETTER(Machine)(machine.asOutParam());
301
302	ComPtr<IVirtualBox> virtualBox;
303	machine->COMGETTER(Parent)(virtualBox.asOutParam());
304
305	ComPtr<ISystemProperties> systemProperties;
306	virtualBox->COMGETTER(SystemProperties)(systemProperties.asOutParam());
307
308	Bstr authLibrary;
309	systemProperties->COMGETTER(RemoteDisplayAuthLibrary)(authLibrary.asOutParam());
310
311	Utf8Str filename = authLibrary;
312
313	LogRel(("VRDPAUTH: ConsoleVRDPServer::Authenticate: loading external authentication library '%ls'\n", authLibrary.raw()));
314
315	int rc = RTLdrLoad (filename.raw(), &mAuthLibrary);
316	if (VBOX_FAILURE (rc))
317	LogRel(("VRDPAUTH: Failed to load external authentication library. Error code: %Vrc\n", rc));
318
319	if (VBOX_SUCCESS (rc))
320	{
321	/* Get the entry point. */
322	mpfnAuthEntry2 = NULL;
323	int rc2 = RTLdrGetSymbol(mAuthLibrary, "VRDPAuth2", (void**)&mpfnAuthEntry2);
324	if (VBOX_FAILURE (rc2))
325	{
326	LogRel(("VRDPAUTH: Could not resolve import '%s'. Error code: %Vrc\n", "VRDPAuth2", rc2));
327	rc = rc2;
328	}
329
330	/* Get the entry point. */
331	mpfnAuthEntry = NULL;
332	rc2 = RTLdrGetSymbol(mAuthLibrary, "VRDPAuth", (void**)&mpfnAuthEntry);
333	if (VBOX_FAILURE (rc2))
334	{
335	LogRel(("VRDPAUTH: Could not resolve import '%s'. Error code: %Vrc\n", "VRDPAuth", rc2));
336	rc = rc2;
337	}
338
339	if (mpfnAuthEntry2 \|\| mpfnAuthEntry)
340	{
341	LogRel(("VRDPAUTH: Using entry point '%s'.\n", mpfnAuthEntry2? "VRDPAuth2": "VRDPAuth"));
342	rc = VINF_SUCCESS;
343	}
344	}
345
346	if (VBOX_FAILURE (rc))
347	{
348	mConsole->reportAuthLibraryError (filename.raw(), rc);
349
350	mpfnAuthEntry = NULL;
351	mpfnAuthEntry2 = NULL;
352
353	if (mAuthLibrary)
354	{
355	RTLdrClose(mAuthLibrary);
356	mAuthLibrary = 0;
357	}
358
359	return VRDPAuthAccessDenied;
360	}
361	}
362
363	Assert (mAuthLibrary && (mpfnAuthEntry \|\| mpfnAuthEntry2));
364
365	VRDPAuthResult result = mpfnAuthEntry?
366	mpfnAuthEntry (&rawuuid, guestJudgement, pszUser, pszPassword, pszDomain):
367	mpfnAuthEntry2 (&rawuuid, guestJudgement, pszUser, pszPassword, pszDomain, true, u32ClientId);
368
369	switch (result)
370	{
371	case VRDPAuthAccessDenied:
372	LogRel(("VRDPAUTH: external authentication module returned 'access denied'\n"));
373	break;
374	case VRDPAuthAccessGranted:
375	LogRel(("VRDPAUTH: external authentication module returned 'access granted'\n"));
376	break;
377	case VRDPAuthDelegateToGuest:
378	LogRel(("VRDPAUTH: external authentication module returned 'delegate request to guest'\n"));
379	break;
380	default:
381	LogRel(("VRDPAUTH: external authentication module returned incorrect return code %d\n", result));
382	result = VRDPAuthAccessDenied;
383	}
384
385	LogFlow(("ConsoleVRDPServer::Authenticate: result = %d\n", result));
386
387	return result;
388	}
389
390	void ConsoleVRDPServer::AuthDisconnect (const Guid &uuid, uint32_t u32ClientId)
391	{
392	VRDPAUTHUUID rawuuid;
393
394	memcpy (rawuuid, ((Guid &)uuid).ptr (), sizeof (rawuuid));
395
396	LogFlow(("ConsoleVRDPServer::AuthDisconnect: uuid = %Vuuid, u32ClientId = %d\n",
397	rawuuid, u32ClientId));
398
399	Assert (mAuthLibrary && (mpfnAuthEntry \|\| mpfnAuthEntry2));
400
401	if (mpfnAuthEntry2)
402	mpfnAuthEntry2 (&rawuuid, VRDPAuthGuestNotAsked, NULL, NULL, NULL, false, u32ClientId);
403	}
404
405	int ConsoleVRDPServer::lockConsoleVRDPServer (void)
406	{
407	int rc = RTCritSectEnter (&mCritSect);
408	AssertRC (rc);
409	return rc;
410	}
411
412	void ConsoleVRDPServer::unlockConsoleVRDPServer (void)
413	{
414	RTCritSectLeave (&mCritSect);
415	}
416
417	DECLCALLBACK(int) ConsoleVRDPServer::ClipboardCallback (void *pvCallback,
418	uint32_t u32ClientId,
419	uint32_t u32Function,
420	uint32_t u32Format,
421	const void *pvData,
422	uint32_t cbData)
423	{
424	LogFlowFunc(("pvCallback = %p, u32ClientId = %d, u32Function = %d, u32Format = 0x%08X, pvData = %p, cbData = %d\n",
425	pvCallback, u32ClientId, u32Function, u32Format, pvData, cbData));
426
427	int rc = VINF_SUCCESS;
428
429	ConsoleVRDPServer pServer = static_cast <ConsoleVRDPServer >(pvCallback);
430
431	NOREF(u32ClientId);
432
433	switch (u32Function)
434	{
435	case VRDP_CLIPBOARD_FUNCTION_FORMAT_ANNOUNCE:
436	{
437	if (pServer->mpfnClipboardCallback)
438	{
439	pServer->mpfnClipboardCallback (VBOX_CLIPBOARD_EXT_FN_FORMAT_ANNOUNCE,
440	u32Format,
441	(void *)pvData,
442	cbData);
443	}
444	} break;
445
446	case VRDP_CLIPBOARD_FUNCTION_DATA_READ:
447	{
448	if (pServer->mpfnClipboardCallback)
449	{
450	pServer->mpfnClipboardCallback (VBOX_CLIPBOARD_EXT_FN_DATA_READ,
451	u32Format,
452	(void *)pvData,
453	cbData);
454	}
455	} break;
456
457	default:
458	rc = VERR_NOT_SUPPORTED;
459	}
460
461	return rc;
462	}
463
464	DECLCALLBACK(int) ConsoleVRDPServer::ClipboardServiceExtension (void *pvExtension,
465	uint32_t u32Function,
466	void *pvParms,
467	uint32_t cbParms)
468	{
469	LogFlowFunc(("pvExtension = %p, u32Function = %d, pvParms = %p, cbParms = %d\n",
470	pvExtension, u32Function, pvParms, cbParms));
471
472	int rc = VINF_SUCCESS;
473
474	#ifdef VBOX_VRDP
475	ConsoleVRDPServer pServer = static_cast <ConsoleVRDPServer >(pvExtension);
476
477	VBOXCLIPBOARDEXTPARMS pParms = (VBOXCLIPBOARDEXTPARMS )pvParms;
478
479	switch (u32Function)
480	{
481	case VBOX_CLIPBOARD_EXT_FN_SET_CALLBACK:
482	{
483	pServer->mpfnClipboardCallback = (PFNVRDPCLIPBOARDEXTCALLBACK)pParms->pvData;
484	} break;
485
486	case VBOX_CLIPBOARD_EXT_FN_FORMAT_ANNOUNCE:
487	{
488	/* The guest announces clipboard formats. This must be delivered to all clients. */
489	if (mpfnVRDPClipboard)
490	{
491	mpfnVRDPClipboard (pServer->mhServer,
492	VRDP_CLIPBOARD_FUNCTION_FORMAT_ANNOUNCE,
493	pParms->u32Format,
494	NULL,
495	0,
496	NULL);
497	}
498	} break;
499
500	case VBOX_CLIPBOARD_EXT_FN_DATA_READ:
501	{
502	/* The clipboard service expects that the pvData buffer will be filled
503	* with clipboard data. The server returns the data from the client that
504	* announced the requested format most recently.
505	*/
506	if (mpfnVRDPClipboard)
507	{
508	mpfnVRDPClipboard (pServer->mhServer,
509	VRDP_CLIPBOARD_FUNCTION_DATA_READ,
510	pParms->u32Format,
511	pParms->pvData,
512	pParms->cbData,
513	&pParms->cbData);
514	}
515	} break;
516
517	case VBOX_CLIPBOARD_EXT_FN_DATA_WRITE:
518	{
519	if (mpfnVRDPClipboard)
520	{
521	mpfnVRDPClipboard (pServer->mhServer,
522	VRDP_CLIPBOARD_FUNCTION_DATA_WRITE,
523	pParms->u32Format,
524	pParms->pvData,
525	pParms->cbData,
526	NULL);
527	}
528	} break;
529
530	default:
531	rc = VERR_NOT_SUPPORTED;
532	}
533	#endif /* VBOX_VRDP */
534
535	return rc;
536	}
537
538	void ConsoleVRDPServer::ClipboardCreate (uint32_t u32ClientId, PFNVRDPCLIPBOARDCALLBACK ppfn, void *ppv)
539	{
540	int rc = lockConsoleVRDPServer ();
541
542	if (VBOX_SUCCESS (rc))
543	{
544	if (mcClipboardRefs == 0)
545	{
546	rc = HGCMHostRegisterServiceExtension (&mhClipboard, "VBoxSharedClipboard", ClipboardServiceExtension, this);
547
548	if (VBOX_SUCCESS (rc))
549	{
550	mcClipboardRefs++;
551	}
552	}
553
554	if (VBOX_SUCCESS (rc))
555	{
556	*ppfn = ClipboardCallback;
557	*ppv = this;
558	}
559
560	unlockConsoleVRDPServer ();
561	}
562	}
563
564	void ConsoleVRDPServer::ClipboardDelete (uint32_t u32ClientId)
565	{
566	int rc = lockConsoleVRDPServer ();
567
568	if (VBOX_SUCCESS (rc))
569	{
570	mcClipboardRefs--;
571
572	if (mcClipboardRefs == 0)
573	{
574	HGCMHostUnregisterServiceExtension (mhClipboard);
575	}
576
577	unlockConsoleVRDPServer ();
578	}
579	}
580
581	/* That is called on INPUT thread of the VRDP server.
582	* The ConsoleVRDPServer keeps a list of created backend instances.
583	*/
584	void ConsoleVRDPServer::USBBackendCreate (uint32_t u32ClientId, PFNVRDPUSBCALLBACK ppfn, void *ppv)
585	{
586	#ifdef VBOX_WITH_USB
587	LogFlow(("ConsoleVRDPServer::USBBackendCreate: u32ClientId = %d\n", u32ClientId));
588
589	/* Create a new instance of the USB backend for the new client. */
590	RemoteUSBBackend *pRemoteUSBBackend = new RemoteUSBBackend (mConsole, this, u32ClientId);
591
592	if (pRemoteUSBBackend)
593	{
594	pRemoteUSBBackend->AddRef (); /* 'Release' called in USBBackendDelete. */
595
596	/* Append the new instance in the list. */
597	int rc = lockConsoleVRDPServer ();
598
599	if (VBOX_SUCCESS (rc))
600	{
601	pRemoteUSBBackend->pNext = mUSBBackends.pHead;
602	if (mUSBBackends.pHead)
603	{
604	mUSBBackends.pHead->pPrev = pRemoteUSBBackend;
605	}
606	else
607	{
608	mUSBBackends.pTail = pRemoteUSBBackend;
609	}
610
611	mUSBBackends.pHead = pRemoteUSBBackend;
612
613	unlockConsoleVRDPServer ();
614
615	pRemoteUSBBackend->QueryVRDPCallbackPointer (ppfn, ppv);
616	}
617
618	if (VBOX_FAILURE (rc))
619	{
620	pRemoteUSBBackend->Release ();
621	}
622	}
623	#endif
624	}
625
626	void ConsoleVRDPServer::USBBackendDelete (uint32_t u32ClientId)
627	{
628	#ifdef VBOX_WITH_USB
629	LogFlow(("ConsoleVRDPServer::USBBackendDelete: u32ClientId = %d\n", u32ClientId));
630
631	RemoteUSBBackend *pRemoteUSBBackend = NULL;
632
633	/* Find the instance. */
634	int rc = lockConsoleVRDPServer ();
635
636	if (VBOX_SUCCESS (rc))
637	{
638	pRemoteUSBBackend = usbBackendFind (u32ClientId);
639
640	if (pRemoteUSBBackend)
641	{
642	/* Notify that it will be deleted. */
643	pRemoteUSBBackend->NotifyDelete ();
644	}
645
646	unlockConsoleVRDPServer ();
647	}
648
649	if (pRemoteUSBBackend)
650	{
651	/* Here the instance has been excluded from the list and can be dereferenced. */
652	pRemoteUSBBackend->Release ();
653	}
654	#endif
655	}
656
657	void ConsoleVRDPServer::USBBackendRequestPointer (uint32_t u32ClientId, const Guid pGuid)
658	{
659	#ifdef VBOX_WITH_USB
660	RemoteUSBBackend *pRemoteUSBBackend = NULL;
661
662	/* Find the instance. */
663	int rc = lockConsoleVRDPServer ();
664
665	if (VBOX_SUCCESS (rc))
666	{
667	pRemoteUSBBackend = usbBackendFind (u32ClientId);
668
669	if (pRemoteUSBBackend)
670	{
671	/* Inform the backend instance that it is referenced by the Guid. */
672	bool fAdded = pRemoteUSBBackend->addUUID (pGuid);
673
674	if (fAdded)
675	{
676	/* Reference the instance because its pointer is being taken. */
677	pRemoteUSBBackend->AddRef (); /* 'Release' is called in USBBackendReleasePointer. */
678	}
679	else
680	{
681	pRemoteUSBBackend = NULL;
682	}
683	}
684
685	unlockConsoleVRDPServer ();
686	}
687
688	if (pRemoteUSBBackend)
689	{
690	return pRemoteUSBBackend->GetBackendCallbackPointer ();
691	}
692
693	#endif
694	return NULL;
695	}
696
697	void ConsoleVRDPServer::USBBackendReleasePointer (const Guid *pGuid)
698	{
699	#ifdef VBOX_WITH_USB
700	RemoteUSBBackend *pRemoteUSBBackend = NULL;
701
702	/* Find the instance. */
703	int rc = lockConsoleVRDPServer ();
704
705	if (VBOX_SUCCESS (rc))
706	{
707	pRemoteUSBBackend = usbBackendFindByUUID (pGuid);
708
709	if (pRemoteUSBBackend)
710	{
711	pRemoteUSBBackend->removeUUID (pGuid);
712	}
713
714	unlockConsoleVRDPServer ();
715
716	if (pRemoteUSBBackend)
717	{
718	pRemoteUSBBackend->Release ();
719	}
720	}
721	#endif
722	}
723
724	RemoteUSBBackend ConsoleVRDPServer::usbBackendGetNext (RemoteUSBBackend pRemoteUSBBackend)
725	{
726	LogFlow(("ConsoleVRDPServer::usbBackendGetNext: pBackend = %p\n", pRemoteUSBBackend));
727
728	RemoteUSBBackend *pNextRemoteUSBBackend = NULL;
729	#ifdef VBOX_WITH_USB
730
731	int rc = lockConsoleVRDPServer ();
732
733	if (VBOX_SUCCESS (rc))
734	{
735	if (pRemoteUSBBackend == NULL)
736	{
737	/* The first backend in the list is requested. */
738	pNextRemoteUSBBackend = mUSBBackends.pHead;
739	}
740	else
741	{
742	/* Get pointer to the next backend. */
743	pNextRemoteUSBBackend = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
744	}
745
746	if (pNextRemoteUSBBackend)
747	{
748	pNextRemoteUSBBackend->AddRef ();
749	}
750
751	unlockConsoleVRDPServer ();
752
753	if (pRemoteUSBBackend)
754	{
755	pRemoteUSBBackend->Release ();
756	}
757	}
758	#endif
759
760	return pNextRemoteUSBBackend;
761	}
762
763	#ifdef VBOX_WITH_USB
764	/* Internal method. Called under the ConsoleVRDPServerLock. */
765	RemoteUSBBackend *ConsoleVRDPServer::usbBackendFind (uint32_t u32ClientId)
766	{
767	RemoteUSBBackend *pRemoteUSBBackend = mUSBBackends.pHead;
768
769	while (pRemoteUSBBackend)
770	{
771	if (pRemoteUSBBackend->ClientId () == u32ClientId)
772	{
773	break;
774	}
775
776	pRemoteUSBBackend = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
777	}
778
779	return pRemoteUSBBackend;
780	}
781
782	/* Internal method. Called under the ConsoleVRDPServerLock. */
783	RemoteUSBBackend ConsoleVRDPServer::usbBackendFindByUUID (const Guid pGuid)
784	{
785	RemoteUSBBackend *pRemoteUSBBackend = mUSBBackends.pHead;
786
787	while (pRemoteUSBBackend)
788	{
789	if (pRemoteUSBBackend->findUUID (pGuid))
790	{
791	break;
792	}
793
794	pRemoteUSBBackend = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
795	}
796
797	return pRemoteUSBBackend;
798	}
799	#endif
800
801	/* Internal method. Called by the backend destructor. */
802	void ConsoleVRDPServer::usbBackendRemoveFromList (RemoteUSBBackend *pRemoteUSBBackend)
803	{
804	#ifdef VBOX_WITH_USB
805	int rc = lockConsoleVRDPServer ();
806	AssertRC (rc);
807
808	/* Exclude the found instance from the list. */
809	if (pRemoteUSBBackend->pNext)
810	{
811	pRemoteUSBBackend->pNext->pPrev = pRemoteUSBBackend->pPrev;
812	}
813	else
814	{
815	mUSBBackends.pTail = (RemoteUSBBackend *)pRemoteUSBBackend->pPrev;
816	}
817
818	if (pRemoteUSBBackend->pPrev)
819	{
820	pRemoteUSBBackend->pPrev->pNext = pRemoteUSBBackend->pNext;
821	}
822	else
823	{
824	mUSBBackends.pHead = (RemoteUSBBackend *)pRemoteUSBBackend->pNext;
825	}
826
827	pRemoteUSBBackend->pNext = pRemoteUSBBackend->pPrev = NULL;
828
829	unlockConsoleVRDPServer ();
830	#endif
831	}
832
833
834	void ConsoleVRDPServer::SendUpdate (unsigned uScreenId, void *pvUpdate, uint32_t cbUpdate) const
835	{
836	#ifdef VBOX_VRDP
837	if (mpfnVRDPSendUpdate)
838	mpfnVRDPSendUpdate (mhServer, uScreenId, pvUpdate, cbUpdate);
839	#endif
840	}
841
842	void ConsoleVRDPServer::SendResize (void) const
843	{
844	#ifdef VBOX_VRDP
845	if (mpfnVRDPSendResize)
846	mpfnVRDPSendResize (mhServer);
847	#endif
848	}
849
850	void ConsoleVRDPServer::SendUpdateBitmap (unsigned uScreenId, uint32_t x, uint32_t y, uint32_t w, uint32_t h) const
851	{
852	#ifdef VBOX_VRDP
853	if (mpfnVRDPSendUpdateBitmap)
854	mpfnVRDPSendUpdateBitmap (mhServer, uScreenId, x, y, w, h);
855	#endif
856	}
857
858	void ConsoleVRDPServer::SetFramebuffer (IFramebuffer *framebuffer, uint32_t fFlags) const
859	{
860	#ifdef VBOX_VRDP
861	if (mpfnVRDPSetFramebuffer)
862	mpfnVRDPSetFramebuffer (mhServer, framebuffer, fFlags);
863	#endif
864	}
865
866	void ConsoleVRDPServer::SendAudioSamples (void *pvSamples, uint32_t cSamples, VRDPAUDIOFORMAT format) const
867	{
868	#ifdef VBOX_VRDP
869	if (mpfnVRDPSendAudioSamples)
870	mpfnVRDPSendAudioSamples (mhServer, pvSamples, cSamples, format);
871	#endif
872	}
873
874	void ConsoleVRDPServer::SendAudioVolume (uint16_t left, uint16_t right) const
875	{
876	#ifdef VBOX_VRDP
877	if (mpfnVRDPSendAudioVolume)
878	mpfnVRDPSendAudioVolume (mhServer, left, right);
879	#endif
880	}
881
882	void ConsoleVRDPServer::SendUSBRequest (uint32_t u32ClientId, void *pvParms, uint32_t cbParms) const
883	{
884	#ifdef VBOX_VRDP
885	if (mpfnVRDPSendUSBRequest)
886	mpfnVRDPSendUSBRequest (mhServer, u32ClientId, pvParms, cbParms);
887	#endif
888	}
889
890	void ConsoleVRDPServer::QueryInfo (uint32_t index, void pvBuffer, uint32_t cbBuffer, uint32_t pcbOut) const
891	{
892	#ifdef VBOX_VRDP
893	if (mpfnVRDPQueryInfo)
894	mpfnVRDPQueryInfo (mhServer, index, pvBuffer, cbBuffer, pcbOut);
895	#endif
896	}
897
898	#ifdef VBOX_VRDP
899	/* note: static function now! */
900	bool ConsoleVRDPServer::loadVRDPLibrary (void)
901	{
902	int rc = VINF_SUCCESS;
903
904	if (!mVRDPLibrary)
905	{
906	rc = RTLdrLoad("VBoxVRDP", &mVRDPLibrary);
907
908	if (VBOX_SUCCESS(rc))
909	{
910	LogFlow(("VRDPServer::loadLibrary(): successfully loaded VRDP library.\n"));
911
912	struct SymbolEntry
913	{
914	const char *name;
915	void **ppfn;
916	};
917
918	#define DEFSYMENTRY(a) { #a, (void**)&mpfn##a }
919
920	static const struct SymbolEntry symbols[] =
921	{
922	DEFSYMENTRY(VRDPStartServer),
923	DEFSYMENTRY(VRDPSetCallback),
924	DEFSYMENTRY(VRDPShutdownServer),
925	DEFSYMENTRY(VRDPSendUpdate),
926	DEFSYMENTRY(VRDPSendUpdateBitmap),
927	DEFSYMENTRY(VRDPSendResize),
928	DEFSYMENTRY(VRDPSendAudioSamples),
929	DEFSYMENTRY(VRDPSendAudioVolume),
930	DEFSYMENTRY(VRDPSendUSBRequest),
931	DEFSYMENTRY(VRDPQueryInfo),
932	DEFSYMENTRY(VRDPClipboard)
933	};
934
935	#undef DEFSYMENTRY
936
937	for (unsigned i = 0; i < ELEMENTS(symbols); i++)
938	{
939	rc = RTLdrGetSymbol(mVRDPLibrary, symbols[i].name, symbols[i].ppfn);
940
941	AssertMsgRC(rc, ("Error resolving VRDP symbol %s\n", symbols[i].name));
942
943	if (VBOX_FAILURE(rc))
944	{
945	break;
946	}
947	}
948	}
949	else
950	{
951	LogFlow(("VRDPServer::loadLibrary(): failed to load VRDP library! VRDP not available.\n"));
952	mVRDPLibrary = NULL;
953	}
954	}
955
956	// just to be safe
957	if (VBOX_FAILURE(rc))
958	{
959	if (mVRDPLibrary)
960	{
961	RTLdrClose (mVRDPLibrary);
962	mVRDPLibrary = NULL;
963	}
964	}
965
966	return (mVRDPLibrary != NULL);
967	}
968	#endif /* VBOX_VRDP */
969
970	/*
971	* IRemoteDisplayInfo implementation.
972	*/
973	// constructor / destructor
974	/////////////////////////////////////////////////////////////////////////////
975
976	HRESULT RemoteDisplayInfo::FinalConstruct()
977	{
978	return S_OK;
979	}
980
981	void RemoteDisplayInfo::FinalRelease()
982	{
983	if (isReady())
984	uninit ();
985	}
986
987	// public methods only for internal purposes
988	/////////////////////////////////////////////////////////////////////////////
989
990	/**
991	* Initializes the guest object.
992	*/
993	HRESULT RemoteDisplayInfo::init (Console *aParent)
994	{
995	LogFlowMember (("RemoteDisplayInfo::init (%p)\n", aParent));
996
997	ComAssertRet (aParent, E_INVALIDARG);
998
999	AutoLock alock (this);
1000	ComAssertRet (!isReady(), E_UNEXPECTED);
1001
1002	mParent = aParent;
1003
1004	setReady (true);
1005	return S_OK;
1006	}
1007
1008	/**
1009	* Uninitializes the instance and sets the ready flag to FALSE.
1010	* Called either from FinalRelease() or by the parent when it gets destroyed.
1011	*/
1012	void RemoteDisplayInfo::uninit()
1013	{
1014	LogFlowMember (("RemoteDisplayInfo::uninit()\n"));
1015
1016	AutoLock alock (this);
1017	AssertReturn (isReady(), (void) 0);
1018
1019	mParent.setNull();
1020
1021	setReady (false);
1022	}
1023
1024	// IRemoteDisplayInfo properties
1025	/////////////////////////////////////////////////////////////////////////////
1026
1027	#define IMPL_GETTER_BOOL(_aType, _aName, _aIndex) \
1028	STDMETHODIMP RemoteDisplayInfo::COMGETTER(_aName) (_aType *a##_aName) \
1029	{ \
1030	if (!a##_aName) \
1031	return E_POINTER; \
1032	\
1033	AutoLock alock (this); \
1034	CHECK_READY(); \
1035	\
1036	uint32_t value; \
1037	uint32_t cbOut = 0; \
1038	\
1039	mParent->consoleVRDPServer ()->QueryInfo \
1040	(_aIndex, &value, sizeof (value), &cbOut); \
1041	\
1042	*a##_aName = cbOut? !!value: FALSE; \
1043	\
1044	return S_OK; \
1045	}
1046
1047	#define IMPL_GETTER_SCALAR(_aType, _aName, _aIndex) \
1048	STDMETHODIMP RemoteDisplayInfo::COMGETTER(_aName) (_aType *a##_aName) \
1049	{ \
1050	if (!a##_aName) \
1051	return E_POINTER; \
1052	\
1053	AutoLock alock (this); \
1054	CHECK_READY(); \
1055	\
1056	_aType value; \
1057	uint32_t cbOut = 0; \
1058	\
1059	mParent->consoleVRDPServer ()->QueryInfo \
1060	(_aIndex, &value, sizeof (value), &cbOut); \
1061	\
1062	*a##_aName = cbOut? value: 0; \
1063	\
1064	return S_OK; \
1065	}
1066
1067	#define IMPL_GETTER_BSTR(_aType, _aName, _aIndex) \
1068	STDMETHODIMP RemoteDisplayInfo::COMGETTER(_aName) (_aType *a##_aName) \
1069	{ \
1070	if (!a##_aName) \
1071	return E_POINTER; \
1072	\
1073	AutoLock alock (this); \
1074	CHECK_READY(); \
1075	\
1076	uint32_t cbOut = 0; \
1077	\
1078	mParent->consoleVRDPServer ()->QueryInfo \
1079	(_aIndex, NULL, 0, &cbOut); \
1080	\
1081	if (cbOut == 0) \
1082	{ \
1083	Bstr str(""); \
1084	str.cloneTo (a##_aName); \
1085	return S_OK; \
1086	} \
1087	\
1088	char pchBuffer = (char )RTMemTmpAlloc (cbOut); \
1089	\
1090	if (!pchBuffer) \
1091	{ \
1092	Log(("RemoteDisplayInfo::" \
1093	#_aName \
1094	": Failed to allocate memory %d bytes\n", cbOut)); \
1095	return E_OUTOFMEMORY; \
1096	} \
1097	\
1098	mParent->consoleVRDPServer ()->QueryInfo \
1099	(_aIndex, pchBuffer, cbOut, &cbOut); \
1100	\
1101	Bstr str(pchBuffer); \
1102	\
1103	str.cloneTo (a##_aName); \
1104	\
1105	RTMemTmpFree (pchBuffer); \
1106	\
1107	return S_OK; \
1108	}
1109
1110	IMPL_GETTER_BOOL (BOOL, Active, VRDP_QI_ACTIVE);
1111	IMPL_GETTER_SCALAR (ULONG, NumberOfClients, VRDP_QI_NUMBER_OF_CLIENTS);
1112	IMPL_GETTER_SCALAR (LONG64, BeginTime, VRDP_QI_BEGIN_TIME);
1113	IMPL_GETTER_SCALAR (LONG64, EndTime, VRDP_QI_END_TIME);
1114	IMPL_GETTER_SCALAR (ULONG64, BytesSent, VRDP_QI_BYTES_SENT);
1115	IMPL_GETTER_SCALAR (ULONG64, BytesSentTotal, VRDP_QI_BYTES_SENT_TOTAL);
1116	IMPL_GETTER_SCALAR (ULONG64, BytesReceived, VRDP_QI_BYTES_RECEIVED);
1117	IMPL_GETTER_SCALAR (ULONG64, BytesReceivedTotal, VRDP_QI_BYTES_RECEIVED_TOTAL);
1118	IMPL_GETTER_BSTR (BSTR, User, VRDP_QI_USER);
1119	IMPL_GETTER_BSTR (BSTR, Domain, VRDP_QI_DOMAIN);
1120	IMPL_GETTER_BSTR (BSTR, ClientName, VRDP_QI_CLIENT_NAME);
1121	IMPL_GETTER_BSTR (BSTR, ClientIP, VRDP_QI_CLIENT_IP);
1122	IMPL_GETTER_SCALAR (ULONG, ClientVersion, VRDP_QI_CLIENT_VERSION);
1123	IMPL_GETTER_SCALAR (ULONG, EncryptionStyle, VRDP_QI_ENCRYPTION_STYLE);
1124
1125	#undef IMPL_GETTER_BSTR
1126	#undef IMPL_GETTER_SCALAR

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source: vbox/trunk/src/VBox/Main/ConsoleVRDPServer.cpp@ 3516

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