VirtualBox

source: vbox/trunk/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp@ 48978

Last change on this file since 48978 was 47252, checked in by vboxsync, 11 years ago

Fixed assertion.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 49.1 KB
Line 
1/* $Id: VBoxHeadless.cpp 47252 2013-07-19 12:31:46Z vboxsync $ */
2/** @file
3 * VBoxHeadless - The VirtualBox Headless frontend for running VMs on servers.
4 */
5
6/*
7 * Copyright (C) 2006-2012 Oracle Corporation
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 (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#include <VBox/com/com.h>
19#include <VBox/com/string.h>
20#include <VBox/com/array.h>
21#include <VBox/com/Guid.h>
22#include <VBox/com/ErrorInfo.h>
23#include <VBox/com/errorprint.h>
24#include <VBox/com/NativeEventQueue.h>
25
26#include <VBox/com/VirtualBox.h>
27#include <VBox/com/listeners.h>
28
29using namespace com;
30
31#define LOG_GROUP LOG_GROUP_GUI
32
33#include <VBox/log.h>
34#include <VBox/version.h>
35#include <iprt/buildconfig.h>
36#include <iprt/ctype.h>
37#include <iprt/initterm.h>
38#include <iprt/stream.h>
39#include <iprt/ldr.h>
40#include <iprt/getopt.h>
41#include <iprt/env.h>
42#include <VBox/err.h>
43#include <VBox/VBoxVideo.h>
44
45#ifdef VBOX_WITH_VIDEO_REC
46#include <cstdlib>
47#include <cerrno>
48#include "VBoxHeadless.h"
49#include <iprt/env.h>
50#include <iprt/param.h>
51#include <iprt/process.h>
52#include <VBox/sup.h>
53#endif
54
55//#define VBOX_WITH_SAVESTATE_ON_SIGNAL
56#ifdef VBOX_WITH_SAVESTATE_ON_SIGNAL
57#include <signal.h>
58#endif
59
60#include "Framebuffer.h"
61
62#include "NullFramebuffer.h"
63
64////////////////////////////////////////////////////////////////////////////////
65
66#define LogError(m,rc) \
67 do { \
68 Log(("VBoxHeadless: ERROR: " m " [rc=0x%08X]\n", rc)); \
69 RTPrintf("%s\n", m); \
70 } while (0)
71
72////////////////////////////////////////////////////////////////////////////////
73
74/* global weak references (for event handlers) */
75static IConsole *gConsole = NULL;
76static NativeEventQueue *gEventQ = NULL;
77
78/* flag whether frontend should terminate */
79static volatile bool g_fTerminateFE = false;
80
81////////////////////////////////////////////////////////////////////////////////
82
83/**
84 * Handler for VirtualBoxClient events.
85 */
86class VirtualBoxClientEventListener
87{
88public:
89 VirtualBoxClientEventListener()
90 {
91 }
92
93 virtual ~VirtualBoxClientEventListener()
94 {
95 }
96
97 HRESULT init()
98 {
99 return S_OK;
100 }
101
102 void uninit()
103 {
104 }
105
106 STDMETHOD(HandleEvent)(VBoxEventType_T aType, IEvent *aEvent)
107 {
108 switch (aType)
109 {
110 case VBoxEventType_OnVBoxSVCAvailabilityChanged:
111 {
112 ComPtr<IVBoxSVCAvailabilityChangedEvent> pVSACEv = aEvent;
113 Assert(pVSACEv);
114 BOOL fAvailable = FALSE;
115 pVSACEv->COMGETTER(Available)(&fAvailable);
116 if (!fAvailable)
117 {
118 LogRel(("VBoxHeadless: VBoxSVC became unavailable, exiting.\n"));
119 RTPrintf("VBoxSVC became unavailable, exiting.\n");
120 /* Terminate the VM as cleanly as possible given that VBoxSVC
121 * is no longer present. */
122 g_fTerminateFE = true;
123 gEventQ->interruptEventQueueProcessing();
124 }
125 break;
126 }
127 default:
128 AssertFailed();
129 }
130
131 return S_OK;
132 }
133
134private:
135};
136
137/**
138 * Handler for global events.
139 */
140class VirtualBoxEventListener
141{
142public:
143 VirtualBoxEventListener()
144 {
145 mfNoLoggedInUsers = true;
146 }
147
148 virtual ~VirtualBoxEventListener()
149 {
150 }
151
152 HRESULT init()
153 {
154 return S_OK;
155 }
156
157 void uninit()
158 {
159 }
160
161 STDMETHOD(HandleEvent)(VBoxEventType_T aType, IEvent *aEvent)
162 {
163 switch (aType)
164 {
165 case VBoxEventType_OnGuestPropertyChanged:
166 {
167 ComPtr<IGuestPropertyChangedEvent> pChangedEvent = aEvent;
168 Assert(pChangedEvent);
169
170 HRESULT hrc;
171
172 ComPtr <IMachine> pMachine;
173 if (gConsole)
174 {
175 hrc = gConsole->COMGETTER(Machine)(pMachine.asOutParam());
176 if (SUCCEEDED(hrc) && pMachine)
177 {
178 Bstr gpMachineId, machineId;
179 hrc = pMachine->COMGETTER(Id)(gpMachineId.asOutParam());
180 AssertComRC(hrc);
181 hrc = pChangedEvent->COMGETTER(MachineId)(machineId.asOutParam());
182 AssertComRC(hrc);
183 if (gpMachineId != machineId)
184 hrc = VBOX_E_OBJECT_NOT_FOUND;
185 }
186 }
187 else
188 hrc = VBOX_E_INVALID_VM_STATE;
189
190 if (SUCCEEDED(hrc))
191 {
192 Bstr strKey;
193 hrc = pChangedEvent->COMGETTER(Name)(strKey.asOutParam());
194 AssertComRC(hrc);
195
196 Bstr strValue;
197 hrc = pChangedEvent->COMGETTER(Value)(strValue.asOutParam());
198 AssertComRC(hrc);
199
200 Utf8Str utf8Key = strKey;
201 Utf8Str utf8Value = strValue;
202 LogRelFlow(("Guest property \"%s\" has been changed to \"%s\"\n",
203 utf8Key.c_str(), utf8Value.c_str()));
204
205 if (utf8Key.equals("/VirtualBox/GuestInfo/OS/NoLoggedInUsers"))
206 {
207 LogRelFlow(("Guest indicates that there %s logged in users\n",
208 utf8Value.equals("true") ? "are no" : "are"));
209
210 /* Check if this is our machine and the "disconnect on logout feature" is enabled. */
211 BOOL fProcessDisconnectOnGuestLogout = FALSE;
212
213 /* Does the machine handle VRDP disconnects? */
214 Bstr strDiscon;
215 hrc = pMachine->GetExtraData(Bstr("VRDP/DisconnectOnGuestLogout").raw(),
216 strDiscon.asOutParam());
217 if (SUCCEEDED(hrc))
218 {
219 Utf8Str utf8Discon = strDiscon;
220 fProcessDisconnectOnGuestLogout = utf8Discon.equals("1")
221 ? TRUE : FALSE;
222 }
223
224 LogRelFlow(("VRDE: hrc=%Rhrc: Host %s disconnecting clients (current host state known: %s)\n",
225 hrc, fProcessDisconnectOnGuestLogout ? "will handle" : "does not handle",
226 mfNoLoggedInUsers ? "No users logged in" : "Users logged in"));
227
228 if (fProcessDisconnectOnGuestLogout)
229 {
230 bool fDropConnection = false;
231 if (!mfNoLoggedInUsers) /* Only if the property really changes. */
232 {
233 if ( utf8Value == "true"
234 /* Guest property got deleted due to reset,
235 * so it has no value anymore. */
236 || utf8Value.isEmpty())
237 {
238 mfNoLoggedInUsers = true;
239 fDropConnection = true;
240 }
241 }
242 else if (utf8Value == "false")
243 mfNoLoggedInUsers = false;
244 /* Guest property got deleted due to reset,
245 * take the shortcut without touching the mfNoLoggedInUsers
246 * state. */
247 else if (utf8Value.isEmpty())
248 fDropConnection = true;
249
250 LogRelFlow(("VRDE: szNoLoggedInUsers=%s, mfNoLoggedInUsers=%RTbool, fDropConnection=%RTbool\n",
251 utf8Value.c_str(), mfNoLoggedInUsers, fDropConnection));
252
253 if (fDropConnection)
254 {
255 /* If there is a connection, drop it. */
256 ComPtr<IVRDEServerInfo> info;
257 hrc = gConsole->COMGETTER(VRDEServerInfo)(info.asOutParam());
258 if (SUCCEEDED(hrc) && info)
259 {
260 ULONG cClients = 0;
261 hrc = info->COMGETTER(NumberOfClients)(&cClients);
262
263 LogRelFlow(("VRDE: connected clients=%RU32\n", cClients));
264 if (SUCCEEDED(hrc) && cClients > 0)
265 {
266 ComPtr <IVRDEServer> vrdeServer;
267 hrc = pMachine->COMGETTER(VRDEServer)(vrdeServer.asOutParam());
268 if (SUCCEEDED(hrc) && vrdeServer)
269 {
270 LogRel(("VRDE: the guest user has logged out, disconnecting remote clients.\n"));
271 hrc = vrdeServer->COMSETTER(Enabled)(FALSE);
272 AssertComRC(hrc);
273 HRESULT hrc2 = vrdeServer->COMSETTER(Enabled)(TRUE);
274 if (SUCCEEDED(hrc))
275 hrc = hrc2;
276 }
277 }
278 }
279 }
280 }
281 }
282
283 if (FAILED(hrc))
284 LogRelFlow(("VRDE: returned error=%Rhrc\n", hrc));
285 }
286
287 break;
288 }
289
290 default:
291 AssertFailed();
292 }
293
294 return S_OK;
295 }
296
297private:
298
299 bool mfNoLoggedInUsers;
300};
301
302/**
303 * Handler for machine events.
304 */
305class ConsoleEventListener
306{
307public:
308 ConsoleEventListener() :
309 mLastVRDEPort(-1),
310 m_fIgnorePowerOffEvents(false)
311 {
312 }
313
314 virtual ~ConsoleEventListener()
315 {
316 }
317
318 HRESULT init()
319 {
320 return S_OK;
321 }
322
323 void uninit()
324 {
325 }
326
327 STDMETHOD(HandleEvent)(VBoxEventType_T aType, IEvent *aEvent)
328 {
329 switch (aType)
330 {
331 case VBoxEventType_OnMouseCapabilityChanged:
332 {
333
334 ComPtr<IMouseCapabilityChangedEvent> mccev = aEvent;
335 Assert(!mccev.isNull());
336
337 BOOL fSupportsAbsolute = false;
338 mccev->COMGETTER(SupportsAbsolute)(&fSupportsAbsolute);
339
340 /* Emit absolute mouse event to actually enable the host mouse cursor. */
341 if (fSupportsAbsolute && gConsole)
342 {
343 ComPtr<IMouse> mouse;
344 gConsole->COMGETTER(Mouse)(mouse.asOutParam());
345 if (mouse)
346 {
347 mouse->PutMouseEventAbsolute(-1, -1, 0, 0 /* Horizontal wheel */, 0);
348 }
349 }
350 break;
351 }
352 case VBoxEventType_OnStateChanged:
353 {
354 ComPtr<IStateChangedEvent> scev = aEvent;
355 Assert(scev);
356
357 MachineState_T machineState;
358 scev->COMGETTER(State)(&machineState);
359
360 /* Terminate any event wait operation if the machine has been
361 * PoweredDown/Saved/Aborted. */
362 if (machineState < MachineState_Running && !m_fIgnorePowerOffEvents)
363 {
364 g_fTerminateFE = true;
365 gEventQ->interruptEventQueueProcessing();
366 }
367
368 break;
369 }
370 case VBoxEventType_OnVRDEServerInfoChanged:
371 {
372 ComPtr<IVRDEServerInfoChangedEvent> rdicev = aEvent;
373 Assert(rdicev);
374
375 if (gConsole)
376 {
377 ComPtr<IVRDEServerInfo> info;
378 gConsole->COMGETTER(VRDEServerInfo)(info.asOutParam());
379 if (info)
380 {
381 LONG port;
382 info->COMGETTER(Port)(&port);
383 if (port != mLastVRDEPort)
384 {
385 if (port == -1)
386 RTPrintf("VRDE server is inactive.\n");
387 else if (port == 0)
388 RTPrintf("VRDE server failed to start.\n");
389 else
390 RTPrintf("VRDE server is listening on port %d.\n", port);
391
392 mLastVRDEPort = port;
393 }
394 }
395 }
396 break;
397 }
398 case VBoxEventType_OnCanShowWindow:
399 {
400 ComPtr<ICanShowWindowEvent> cswev = aEvent;
401 Assert(cswev);
402 cswev->AddVeto(NULL);
403 break;
404 }
405 case VBoxEventType_OnShowWindow:
406 {
407 ComPtr<IShowWindowEvent> swev = aEvent;
408 Assert(swev);
409 swev->COMSETTER(WinId)(0);
410 break;
411 }
412 default:
413 AssertFailed();
414 }
415 return S_OK;
416 }
417
418 void ignorePowerOffEvents(bool fIgnore)
419 {
420 m_fIgnorePowerOffEvents = fIgnore;
421 }
422
423private:
424
425 long mLastVRDEPort;
426 bool m_fIgnorePowerOffEvents;
427};
428
429typedef ListenerImpl<VirtualBoxClientEventListener> VirtualBoxClientEventListenerImpl;
430typedef ListenerImpl<VirtualBoxEventListener> VirtualBoxEventListenerImpl;
431typedef ListenerImpl<ConsoleEventListener> ConsoleEventListenerImpl;
432
433VBOX_LISTENER_DECLARE(VirtualBoxClientEventListenerImpl)
434VBOX_LISTENER_DECLARE(VirtualBoxEventListenerImpl)
435VBOX_LISTENER_DECLARE(ConsoleEventListenerImpl)
436
437#ifdef VBOX_WITH_SAVESTATE_ON_SIGNAL
438static void SaveState(int sig)
439{
440 ComPtr <IProgress> progress = NULL;
441
442/** @todo Deal with nested signals, multithreaded signal dispatching (esp. on windows),
443 * and multiple signals (both SIGINT and SIGTERM in some order).
444 * Consider processing the signal request asynchronously since there are lots of things
445 * which aren't safe (like RTPrintf and printf IIRC) in a signal context. */
446
447 RTPrintf("Signal received, saving state.\n");
448
449 HRESULT rc = gConsole->SaveState(progress.asOutParam());
450 if (FAILED(rc))
451 {
452 RTPrintf("Error saving state! rc = 0x%x\n", rc);
453 return;
454 }
455 Assert(progress);
456 LONG cPercent = 0;
457
458 RTPrintf("0%%");
459 RTStrmFlush(g_pStdOut);
460 for (;;)
461 {
462 BOOL fCompleted = false;
463 rc = progress->COMGETTER(Completed)(&fCompleted);
464 if (FAILED(rc) || fCompleted)
465 break;
466 ULONG cPercentNow;
467 rc = progress->COMGETTER(Percent)(&cPercentNow);
468 if (FAILED(rc))
469 break;
470 if ((cPercentNow / 10) != (cPercent / 10))
471 {
472 cPercent = cPercentNow;
473 RTPrintf("...%d%%", cPercentNow);
474 RTStrmFlush(g_pStdOut);
475 }
476
477 /* wait */
478 rc = progress->WaitForCompletion(100);
479 }
480
481 HRESULT lrc;
482 rc = progress->COMGETTER(ResultCode)(&lrc);
483 if (FAILED(rc))
484 lrc = ~0;
485 if (!lrc)
486 {
487 RTPrintf(" -- Saved the state successfully.\n");
488 RTThreadYield();
489 }
490 else
491 RTPrintf("-- Error saving state, lrc=%d (%#x)\n", lrc, lrc);
492
493}
494#endif /* VBOX_WITH_SAVESTATE_ON_SIGNAL */
495
496////////////////////////////////////////////////////////////////////////////////
497
498static void show_usage()
499{
500 RTPrintf("Usage:\n"
501 " -s, -startvm, --startvm <name|uuid> Start given VM (required argument)\n"
502 " -v, -vrde, --vrde on|off|config Enable (default) or disable the VRDE\n"
503 " server or don't change the setting\n"
504 " -e, -vrdeproperty, --vrdeproperty <name=[value]> Set a VRDE property:\n"
505 " \"TCP/Ports\" - comma-separated list of ports\n"
506 " the VRDE server can bind to. Use a dash between\n"
507 " two port numbers to specify a range\n"
508 " \"TCP/Address\" - interface IP the VRDE server\n"
509 " will bind to\n"
510 " --settingspw <pw> Specify the settings password\n"
511 " --settingspwfile <file> Specify a file containing the settings password\n"
512#ifdef VBOX_WITH_VIDEO_REC
513 " -c, -capture, --capture Record the VM screen output to a file\n"
514 " -w, --width Frame width when recording\n"
515 " -h, --height Frame height when recording\n"
516 " -r, --bitrate Recording bit rate when recording\n"
517 " -f, --filename File name when recording. The codec used\n"
518 " will be chosen based on the file extension\n"
519#endif
520 "\n");
521}
522
523#ifdef VBOX_WITH_VIDEO_REC
524/**
525 * Parse the environment for variables which can influence the VIDEOREC settings.
526 * purely for backwards compatibility.
527 * @param pulFrameWidth may be updated with a desired frame width
528 * @param pulFrameHeight may be updated with a desired frame height
529 * @param pulBitRate may be updated with a desired bit rate
530 * @param ppszFileName may be updated with a desired file name
531 */
532static void parse_environ(unsigned long *pulFrameWidth, unsigned long *pulFrameHeight,
533 unsigned long *pulBitRate, const char **ppszFileName)
534{
535 const char *pszEnvTemp;
536
537 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREWIDTH")) != 0)
538 {
539 errno = 0;
540 unsigned long ulFrameWidth = strtoul(pszEnvTemp, 0, 10);
541 if (errno != 0)
542 LogError("VBoxHeadless: ERROR: invalid VBOX_CAPTUREWIDTH environment variable", 0);
543 else
544 *pulFrameWidth = ulFrameWidth;
545 }
546 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREHEIGHT")) != 0)
547 {
548 errno = 0;
549 unsigned long ulFrameHeight = strtoul(pszEnvTemp, 0, 10);
550 if (errno != 0)
551 LogError("VBoxHeadless: ERROR: invalid VBOX_CAPTUREHEIGHT environment variable", 0);
552 else
553 *pulFrameHeight = ulFrameHeight;
554 }
555 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREBITRATE")) != 0)
556 {
557 errno = 0;
558 unsigned long ulBitRate = strtoul(pszEnvTemp, 0, 10);
559 if (errno != 0)
560 LogError("VBoxHeadless: ERROR: invalid VBOX_CAPTUREBITRATE environment variable", 0);
561 else
562 *pulBitRate = ulBitRate;
563 }
564 if ((pszEnvTemp = RTEnvGet("VBOX_CAPTUREFILE")) != 0)
565 *ppszFileName = pszEnvTemp;
566}
567#endif /* VBOX_WITH_VIDEO_REC defined */
568
569static RTEXITCODE readPasswordFile(const char *pszFilename, com::Utf8Str *pPasswd)
570{
571 size_t cbFile;
572 char szPasswd[512];
573 int vrc = VINF_SUCCESS;
574 RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
575 bool fStdIn = !strcmp(pszFilename, "stdin");
576 PRTSTREAM pStrm;
577 if (!fStdIn)
578 vrc = RTStrmOpen(pszFilename, "r", &pStrm);
579 else
580 pStrm = g_pStdIn;
581 if (RT_SUCCESS(vrc))
582 {
583 vrc = RTStrmReadEx(pStrm, szPasswd, sizeof(szPasswd)-1, &cbFile);
584 if (RT_SUCCESS(vrc))
585 {
586 if (cbFile >= sizeof(szPasswd)-1)
587 {
588 RTPrintf("Provided password in file '%s' is too long\n", pszFilename);
589 rcExit = RTEXITCODE_FAILURE;
590 }
591 else
592 {
593 unsigned i;
594 for (i = 0; i < cbFile && !RT_C_IS_CNTRL(szPasswd[i]); i++)
595 ;
596 szPasswd[i] = '\0';
597 *pPasswd = szPasswd;
598 }
599 }
600 else
601 {
602 RTPrintf("Cannot read password from file '%s': %Rrc\n", pszFilename, vrc);
603 rcExit = RTEXITCODE_FAILURE;
604 }
605 if (!fStdIn)
606 RTStrmClose(pStrm);
607 }
608 else
609 {
610 RTPrintf("Cannot open password file '%s' (%Rrc)\n", pszFilename, vrc);
611 rcExit = RTEXITCODE_FAILURE;
612 }
613
614 return rcExit;
615}
616
617static RTEXITCODE settingsPasswordFile(ComPtr<IVirtualBox> virtualBox, const char *pszFilename)
618{
619 com::Utf8Str passwd;
620 RTEXITCODE rcExit = readPasswordFile(pszFilename, &passwd);
621 if (rcExit == RTEXITCODE_SUCCESS)
622 {
623 int rc;
624 CHECK_ERROR(virtualBox, SetSettingsSecret(com::Bstr(passwd).raw()));
625 if (FAILED(rc))
626 rcExit = RTEXITCODE_FAILURE;
627 }
628
629 return rcExit;
630}
631
632#ifdef RT_OS_WINDOWS
633// Required for ATL
634static CComModule _Module;
635#endif
636
637/**
638 * Entry point.
639 */
640extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
641{
642 const char *vrdePort = NULL;
643 const char *vrdeAddress = NULL;
644 const char *vrdeEnabled = NULL;
645 unsigned cVRDEProperties = 0;
646 const char *aVRDEProperties[16];
647 unsigned fRawR0 = ~0U;
648 unsigned fRawR3 = ~0U;
649 unsigned fPATM = ~0U;
650 unsigned fCSAM = ~0U;
651#ifdef VBOX_WITH_VIDEO_REC
652 unsigned fVIDEOREC = 0;
653 unsigned long ulFrameWidth = 800;
654 unsigned long ulFrameHeight = 600;
655 unsigned long ulBitRate = 300000;
656 char pszMPEGFile[RTPATH_MAX];
657 const char *pszFileNameParam = "VBox-%d.vob";
658#endif /* VBOX_WITH_VIDEO_REC */
659
660 LogFlow (("VBoxHeadless STARTED.\n"));
661 RTPrintf (VBOX_PRODUCT " Headless Interface " VBOX_VERSION_STRING "\n"
662 "(C) 2008-" VBOX_C_YEAR " " VBOX_VENDOR "\n"
663 "All rights reserved.\n\n");
664
665#ifdef VBOX_WITH_VIDEO_REC
666 /* Parse the environment */
667 parse_environ(&ulFrameWidth, &ulFrameHeight, &ulBitRate, &pszFileNameParam);
668#endif
669
670 enum eHeadlessOptions
671 {
672 OPT_RAW_R0 = 0x100,
673 OPT_NO_RAW_R0,
674 OPT_RAW_R3,
675 OPT_NO_RAW_R3,
676 OPT_PATM,
677 OPT_NO_PATM,
678 OPT_CSAM,
679 OPT_NO_CSAM,
680 OPT_SETTINGSPW,
681 OPT_SETTINGSPW_FILE,
682 OPT_COMMENT
683 };
684
685 static const RTGETOPTDEF s_aOptions[] =
686 {
687 { "-startvm", 's', RTGETOPT_REQ_STRING },
688 { "--startvm", 's', RTGETOPT_REQ_STRING },
689 { "-vrdpport", 'p', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
690 { "--vrdpport", 'p', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
691 { "-vrdpaddress", 'a', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
692 { "--vrdpaddress", 'a', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
693 { "-vrdp", 'v', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
694 { "--vrdp", 'v', RTGETOPT_REQ_STRING }, /* VRDE: deprecated. */
695 { "-vrde", 'v', RTGETOPT_REQ_STRING },
696 { "--vrde", 'v', RTGETOPT_REQ_STRING },
697 { "-vrdeproperty", 'e', RTGETOPT_REQ_STRING },
698 { "--vrdeproperty", 'e', RTGETOPT_REQ_STRING },
699 { "-rawr0", OPT_RAW_R0, 0 },
700 { "--rawr0", OPT_RAW_R0, 0 },
701 { "-norawr0", OPT_NO_RAW_R0, 0 },
702 { "--norawr0", OPT_NO_RAW_R0, 0 },
703 { "-rawr3", OPT_RAW_R3, 0 },
704 { "--rawr3", OPT_RAW_R3, 0 },
705 { "-norawr3", OPT_NO_RAW_R3, 0 },
706 { "--norawr3", OPT_NO_RAW_R3, 0 },
707 { "-patm", OPT_PATM, 0 },
708 { "--patm", OPT_PATM, 0 },
709 { "-nopatm", OPT_NO_PATM, 0 },
710 { "--nopatm", OPT_NO_PATM, 0 },
711 { "-csam", OPT_CSAM, 0 },
712 { "--csam", OPT_CSAM, 0 },
713 { "-nocsam", OPT_NO_CSAM, 0 },
714 { "--nocsam", OPT_NO_CSAM, 0 },
715 { "--settingspw", OPT_SETTINGSPW, RTGETOPT_REQ_STRING },
716 { "--settingspwfile", OPT_SETTINGSPW_FILE, RTGETOPT_REQ_STRING },
717#ifdef VBOX_WITH_VIDEO_REC
718 { "-capture", 'c', 0 },
719 { "--capture", 'c', 0 },
720 { "--width", 'w', RTGETOPT_REQ_UINT32 },
721 { "--height", 'h', RTGETOPT_REQ_UINT32 }, /* great choice of short option! */
722 { "--bitrate", 'r', RTGETOPT_REQ_UINT32 },
723 { "--filename", 'f', RTGETOPT_REQ_STRING },
724#endif /* VBOX_WITH_VIDEO_REC defined */
725 { "-comment", OPT_COMMENT, RTGETOPT_REQ_STRING },
726 { "--comment", OPT_COMMENT, RTGETOPT_REQ_STRING }
727 };
728
729 const char *pcszNameOrUUID = NULL;
730
731 // parse the command line
732 int ch;
733 const char *pcszSettingsPw = NULL;
734 const char *pcszSettingsPwFile = NULL;
735 RTGETOPTUNION ValueUnion;
736 RTGETOPTSTATE GetState;
737 RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0 /* fFlags */);
738 while ((ch = RTGetOpt(&GetState, &ValueUnion)))
739 {
740 switch(ch)
741 {
742 case 's':
743 pcszNameOrUUID = ValueUnion.psz;
744 break;
745 case 'p':
746 RTPrintf("Warning: '-p' or '-vrdpport' are deprecated. Use '-e \"TCP/Ports=%s\"'\n", ValueUnion.psz);
747 vrdePort = ValueUnion.psz;
748 break;
749 case 'a':
750 RTPrintf("Warning: '-a' or '-vrdpaddress' are deprecated. Use '-e \"TCP/Address=%s\"'\n", ValueUnion.psz);
751 vrdeAddress = ValueUnion.psz;
752 break;
753 case 'v':
754 vrdeEnabled = ValueUnion.psz;
755 break;
756 case 'e':
757 if (cVRDEProperties < RT_ELEMENTS(aVRDEProperties))
758 aVRDEProperties[cVRDEProperties++] = ValueUnion.psz;
759 else
760 RTPrintf("Warning: too many VRDE properties. Ignored: '%s'\n", ValueUnion.psz);
761 break;
762 case OPT_RAW_R0:
763 fRawR0 = true;
764 break;
765 case OPT_NO_RAW_R0:
766 fRawR0 = false;
767 break;
768 case OPT_RAW_R3:
769 fRawR3 = true;
770 break;
771 case OPT_NO_RAW_R3:
772 fRawR3 = false;
773 break;
774 case OPT_PATM:
775 fPATM = true;
776 break;
777 case OPT_NO_PATM:
778 fPATM = false;
779 break;
780 case OPT_CSAM:
781 fCSAM = true;
782 break;
783 case OPT_NO_CSAM:
784 fCSAM = false;
785 break;
786 case OPT_SETTINGSPW:
787 pcszSettingsPw = ValueUnion.psz;
788 break;
789 case OPT_SETTINGSPW_FILE:
790 pcszSettingsPwFile = ValueUnion.psz;
791 break;
792#ifdef VBOX_WITH_VIDEO_REC
793 case 'c':
794 fVIDEOREC = true;
795 break;
796 case 'w':
797 ulFrameWidth = ValueUnion.u32;
798 break;
799 case 'r':
800 ulBitRate = ValueUnion.u32;
801 break;
802 case 'f':
803 pszFileNameParam = ValueUnion.psz;
804 break;
805#endif /* VBOX_WITH_VIDEO_REC defined */
806 case 'h':
807#ifdef VBOX_WITH_VIDEO_REC
808 if ((GetState.pDef->fFlags & RTGETOPT_REQ_MASK) != RTGETOPT_REQ_NOTHING)
809 {
810 ulFrameHeight = ValueUnion.u32;
811 break;
812 }
813#endif
814 show_usage();
815 return 0;
816 case OPT_COMMENT:
817 /* nothing to do */
818 break;
819 case 'V':
820 RTPrintf("%sr%s\n", RTBldCfgVersion(), RTBldCfgRevisionStr());
821 return 0;
822 default:
823 ch = RTGetOptPrintError(ch, &ValueUnion);
824 show_usage();
825 return ch;
826 }
827 }
828
829#ifdef VBOX_WITH_VIDEO_REC
830 if (ulFrameWidth < 512 || ulFrameWidth > 2048 || ulFrameWidth % 2)
831 {
832 LogError("VBoxHeadless: ERROR: please specify an even frame width between 512 and 2048", 0);
833 return 1;
834 }
835 if (ulFrameHeight < 384 || ulFrameHeight > 1536 || ulFrameHeight % 2)
836 {
837 LogError("VBoxHeadless: ERROR: please specify an even frame height between 384 and 1536", 0);
838 return 1;
839 }
840 if (ulBitRate < 300000 || ulBitRate > 1000000)
841 {
842 LogError("VBoxHeadless: ERROR: please specify an even bitrate between 300000 and 1000000", 0);
843 return 1;
844 }
845 /* Make sure we only have %d or %u (or none) in the file name specified */
846 char *pcPercent = (char*)strchr(pszFileNameParam, '%');
847 if (pcPercent != 0 && *(pcPercent + 1) != 'd' && *(pcPercent + 1) != 'u')
848 {
849 LogError("VBoxHeadless: ERROR: Only %%d and %%u are allowed in the capture file name.", -1);
850 return 1;
851 }
852 /* And no more than one % in the name */
853 if (pcPercent != 0 && strchr(pcPercent + 1, '%') != 0)
854 {
855 LogError("VBoxHeadless: ERROR: Only one format modifier is allowed in the capture file name.", -1);
856 return 1;
857 }
858 RTStrPrintf(&pszMPEGFile[0], RTPATH_MAX, pszFileNameParam, RTProcSelf());
859#endif /* defined VBOX_WITH_VIDEO_REC */
860
861 if (!pcszNameOrUUID)
862 {
863 show_usage();
864 return 1;
865 }
866
867 HRESULT rc;
868
869 rc = com::Initialize();
870#ifdef VBOX_WITH_XPCOM
871 if (rc == NS_ERROR_FILE_ACCESS_DENIED)
872 {
873 char szHome[RTPATH_MAX] = "";
874 com::GetVBoxUserHomeDirectory(szHome, sizeof(szHome));
875 RTPrintf("Failed to initialize COM because the global settings directory '%s' is not accessible!", szHome);
876 return 1;
877 }
878#endif
879 if (FAILED(rc))
880 {
881 RTPrintf("VBoxHeadless: ERROR: failed to initialize COM!\n");
882 return 1;
883 }
884
885 ComPtr<IVirtualBoxClient> pVirtualBoxClient;
886 ComPtr<IVirtualBox> virtualBox;
887 ComPtr<ISession> session;
888 ComPtr<IMachine> machine;
889 bool fSessionOpened = false;
890 ComPtr<IEventListener> vboxClientListener;
891 ComPtr<IEventListener> vboxListener;
892 ComObjPtr<ConsoleEventListenerImpl> consoleListener;
893
894 do
895 {
896 rc = pVirtualBoxClient.createInprocObject(CLSID_VirtualBoxClient);
897 if (FAILED(rc))
898 {
899 RTPrintf("VBoxHeadless: ERROR: failed to create the VirtualBoxClient object!\n");
900 com::ErrorInfo info;
901 if (!info.isFullAvailable() && !info.isBasicAvailable())
902 {
903 com::GluePrintRCMessage(rc);
904 RTPrintf("Most likely, the VirtualBox COM server is not running or failed to start.\n");
905 }
906 else
907 GluePrintErrorInfo(info);
908 break;
909 }
910
911 rc = pVirtualBoxClient->COMGETTER(VirtualBox)(virtualBox.asOutParam());
912 if (FAILED(rc))
913 {
914 RTPrintf("Failed to get VirtualBox object (rc=%Rhrc)!\n", rc);
915 break;
916 }
917 rc = pVirtualBoxClient->COMGETTER(Session)(session.asOutParam());
918 if (FAILED(rc))
919 {
920 RTPrintf("Failed to get session object (rc=%Rhrc)!\n", rc);
921 break;
922 }
923
924 if (pcszSettingsPw)
925 {
926 CHECK_ERROR(virtualBox, SetSettingsSecret(Bstr(pcszSettingsPw).raw()));
927 if (FAILED(rc))
928 break;
929 }
930 else if (pcszSettingsPwFile)
931 {
932 int rcExit = settingsPasswordFile(virtualBox, pcszSettingsPwFile);
933 if (rcExit != RTEXITCODE_SUCCESS)
934 break;
935 }
936
937 ComPtr<IMachine> m;
938
939 rc = virtualBox->FindMachine(Bstr(pcszNameOrUUID).raw(), m.asOutParam());
940 if (FAILED(rc))
941 {
942 LogError("Invalid machine name or UUID!\n", rc);
943 break;
944 }
945 Bstr id;
946 m->COMGETTER(Id)(id.asOutParam());
947 AssertComRC(rc);
948 if (FAILED(rc))
949 break;
950
951 Log(("VBoxHeadless: Opening a session with machine (id={%s})...\n",
952 Utf8Str(id).c_str()));
953
954 // open a session
955 CHECK_ERROR_BREAK(m, LockMachine(session, LockType_VM));
956 fSessionOpened = true;
957
958 /* get the console */
959 ComPtr<IConsole> console;
960 CHECK_ERROR_BREAK(session, COMGETTER(Console)(console.asOutParam()));
961
962 /* get the mutable machine */
963 CHECK_ERROR_BREAK(console, COMGETTER(Machine)(machine.asOutParam()));
964
965 ComPtr<IDisplay> display;
966 CHECK_ERROR_BREAK(console, COMGETTER(Display)(display.asOutParam()));
967
968#ifdef VBOX_WITH_VIDEO_REC
969 IFramebuffer *pFramebuffer = 0;
970 RTLDRMOD hLdrVideoRecFB;
971 PFNREGISTERVIDEORECFB pfnRegisterVideoRecFB;
972
973 if (fVIDEOREC)
974 {
975 HRESULT rcc = S_OK;
976 int rrc = VINF_SUCCESS;
977 RTERRINFOSTATIC ErrInfo;
978
979 Log2(("VBoxHeadless: loading VBoxVideoRecFB and libvpx shared library\n"));
980 RTErrInfoInitStatic(&ErrInfo);
981 rrc = SUPR3HardenedLdrLoadAppPriv("VBoxVideoRecFB", &hLdrVideoRecFB, RTLDRLOAD_FLAGS_LOCAL, &ErrInfo.Core);
982
983 if (RT_SUCCESS(rrc))
984 {
985 Log2(("VBoxHeadless: looking up symbol VBoxRegisterVideoRecFB\n"));
986 rrc = RTLdrGetSymbol(hLdrVideoRecFB, "VBoxRegisterVideoRecFB",
987 reinterpret_cast<void **>(&pfnRegisterVideoRecFB));
988 if (RT_FAILURE(rrc))
989 LogError("Failed to load the video capture extension, possibly due to a damaged file\n", rrc);
990 }
991 else
992 LogError("Failed to load the video capture extension\n", rrc); /** @todo stupid function, no formatting options. */
993 if (RT_SUCCESS(rrc))
994 {
995 Log2(("VBoxHeadless: calling pfnRegisterVideoRecFB\n"));
996 rcc = pfnRegisterVideoRecFB(ulFrameWidth, ulFrameHeight, ulBitRate,
997 pszMPEGFile, &pFramebuffer);
998 if (rcc != S_OK)
999 LogError("Failed to initialise video capturing - make sure that the file format\n"
1000 "you wish to use is supported on your system\n", rcc);
1001 }
1002 if (RT_SUCCESS(rrc) && rcc == S_OK)
1003 {
1004 Log2(("VBoxHeadless: Registering framebuffer\n"));
1005 pFramebuffer->AddRef();
1006 display->SetFramebuffer(VBOX_VIDEO_PRIMARY_SCREEN, pFramebuffer);
1007 }
1008 if (!RT_SUCCESS(rrc) || rcc != S_OK)
1009 rc = E_FAIL;
1010 }
1011 if (rc != S_OK)
1012 {
1013 break;
1014 }
1015#endif /* defined(VBOX_WITH_VIDEO_REC) */
1016 ULONG cMonitors = 1;
1017 machine->COMGETTER(MonitorCount)(&cMonitors);
1018
1019 unsigned uScreenId;
1020 for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1021 {
1022# ifdef VBOX_WITH_VIDEO_REC
1023 if (fVIDEOREC && uScreenId == 0)
1024 {
1025 /* Already registered. */
1026 continue;
1027 }
1028# endif
1029 VRDPFramebuffer *pVRDPFramebuffer = new VRDPFramebuffer();
1030 if (!pVRDPFramebuffer)
1031 {
1032 RTPrintf("Error: could not create framebuffer object %d\n", uScreenId);
1033 break;
1034 }
1035 pVRDPFramebuffer->AddRef();
1036 display->SetFramebuffer(uScreenId, pVRDPFramebuffer);
1037 }
1038 if (uScreenId < cMonitors)
1039 {
1040 break;
1041 }
1042
1043 // fill in remaining slots with null framebuffers
1044 for (uScreenId = 0; uScreenId < cMonitors; uScreenId++)
1045 {
1046 ComPtr<IFramebuffer> fb;
1047 LONG xOrigin, yOrigin;
1048 HRESULT hrc2 = display->GetFramebuffer(uScreenId,
1049 fb.asOutParam(),
1050 &xOrigin, &yOrigin);
1051 if (hrc2 == S_OK && fb.isNull())
1052 {
1053 NullFB *pNullFB = new NullFB();
1054 pNullFB->AddRef();
1055 pNullFB->init();
1056 display->SetFramebuffer(uScreenId, pNullFB);
1057 }
1058 }
1059
1060 /* get the machine debugger (isn't necessarily available) */
1061 ComPtr <IMachineDebugger> machineDebugger;
1062 console->COMGETTER(Debugger)(machineDebugger.asOutParam());
1063 if (machineDebugger)
1064 {
1065 Log(("Machine debugger available!\n"));
1066 }
1067
1068 if (fRawR0 != ~0U)
1069 {
1070 if (!machineDebugger)
1071 {
1072 RTPrintf("Error: No debugger object; -%srawr0 cannot be executed!\n", fRawR0 ? "" : "no");
1073 break;
1074 }
1075 machineDebugger->COMSETTER(RecompileSupervisor)(!fRawR0);
1076 }
1077 if (fRawR3 != ~0U)
1078 {
1079 if (!machineDebugger)
1080 {
1081 RTPrintf("Error: No debugger object; -%srawr3 cannot be executed!\n", fRawR3 ? "" : "no");
1082 break;
1083 }
1084 machineDebugger->COMSETTER(RecompileUser)(!fRawR3);
1085 }
1086 if (fPATM != ~0U)
1087 {
1088 if (!machineDebugger)
1089 {
1090 RTPrintf("Error: No debugger object; -%spatm cannot be executed!\n", fPATM ? "" : "no");
1091 break;
1092 }
1093 machineDebugger->COMSETTER(PATMEnabled)(fPATM);
1094 }
1095 if (fCSAM != ~0U)
1096 {
1097 if (!machineDebugger)
1098 {
1099 RTPrintf("Error: No debugger object; -%scsam cannot be executed!\n", fCSAM ? "" : "no");
1100 break;
1101 }
1102 machineDebugger->COMSETTER(CSAMEnabled)(fCSAM);
1103 }
1104
1105 /* initialize global references */
1106 gConsole = console;
1107 gEventQ = com::NativeEventQueue::getMainEventQueue();
1108
1109 /* VirtualBoxClient events registration. */
1110 {
1111 ComPtr<IEventSource> pES;
1112 CHECK_ERROR(pVirtualBoxClient, COMGETTER(EventSource)(pES.asOutParam()));
1113 ComObjPtr<VirtualBoxClientEventListenerImpl> listener;
1114 listener.createObject();
1115 listener->init(new VirtualBoxClientEventListener());
1116 vboxClientListener = listener;
1117 com::SafeArray<VBoxEventType_T> eventTypes;
1118 eventTypes.push_back(VBoxEventType_OnVBoxSVCAvailabilityChanged);
1119 CHECK_ERROR(pES, RegisterListener(vboxClientListener, ComSafeArrayAsInParam(eventTypes), true));
1120 }
1121
1122 /* Console events registration. */
1123 {
1124 ComPtr<IEventSource> es;
1125 CHECK_ERROR(console, COMGETTER(EventSource)(es.asOutParam()));
1126 consoleListener.createObject();
1127 consoleListener->init(new ConsoleEventListener());
1128 com::SafeArray<VBoxEventType_T> eventTypes;
1129 eventTypes.push_back(VBoxEventType_OnMouseCapabilityChanged);
1130 eventTypes.push_back(VBoxEventType_OnStateChanged);
1131 eventTypes.push_back(VBoxEventType_OnVRDEServerInfoChanged);
1132 eventTypes.push_back(VBoxEventType_OnCanShowWindow);
1133 eventTypes.push_back(VBoxEventType_OnShowWindow);
1134 CHECK_ERROR(es, RegisterListener(consoleListener, ComSafeArrayAsInParam(eventTypes), true));
1135 }
1136
1137 /* default is to enable the remote desktop server (backward compatibility) */
1138 BOOL fVRDEEnable = true;
1139 BOOL fVRDEEnabled;
1140 ComPtr <IVRDEServer> vrdeServer;
1141 CHECK_ERROR_BREAK(machine, COMGETTER(VRDEServer)(vrdeServer.asOutParam()));
1142 CHECK_ERROR_BREAK(vrdeServer, COMGETTER(Enabled)(&fVRDEEnabled));
1143
1144 if (vrdeEnabled != NULL)
1145 {
1146 /* -vrdeServer on|off|config */
1147 if (!strcmp(vrdeEnabled, "off") || !strcmp(vrdeEnabled, "disable"))
1148 fVRDEEnable = false;
1149 else if (!strcmp(vrdeEnabled, "config"))
1150 {
1151 if (!fVRDEEnabled)
1152 fVRDEEnable = false;
1153 }
1154 else if (strcmp(vrdeEnabled, "on") && strcmp(vrdeEnabled, "enable"))
1155 {
1156 RTPrintf("-vrdeServer requires an argument (on|off|config)\n");
1157 break;
1158 }
1159 }
1160
1161 if (fVRDEEnable)
1162 {
1163 Log(("VBoxHeadless: Enabling VRDE server...\n"));
1164
1165 /* set VRDE port if requested by the user */
1166 if (vrdePort != NULL)
1167 {
1168 Bstr bstr = vrdePort;
1169 CHECK_ERROR_BREAK(vrdeServer, SetVRDEProperty(Bstr("TCP/Ports").raw(), bstr.raw()));
1170 }
1171 /* set VRDE address if requested by the user */
1172 if (vrdeAddress != NULL)
1173 {
1174 CHECK_ERROR_BREAK(vrdeServer, SetVRDEProperty(Bstr("TCP/Address").raw(), Bstr(vrdeAddress).raw()));
1175 }
1176
1177 /* Set VRDE properties. */
1178 if (cVRDEProperties > 0)
1179 {
1180 for (unsigned i = 0; i < cVRDEProperties; i++)
1181 {
1182 /* Parse 'name=value' */
1183 char *pszProperty = RTStrDup(aVRDEProperties[i]);
1184 if (pszProperty)
1185 {
1186 char *pDelimiter = strchr(pszProperty, '=');
1187 if (pDelimiter)
1188 {
1189 *pDelimiter = '\0';
1190
1191 Bstr bstrName = pszProperty;
1192 Bstr bstrValue = &pDelimiter[1];
1193 CHECK_ERROR_BREAK(vrdeServer, SetVRDEProperty(bstrName.raw(), bstrValue.raw()));
1194 }
1195 else
1196 {
1197 RTPrintf("Error: Invalid VRDE property '%s'\n", aVRDEProperties[i]);
1198 RTStrFree(pszProperty);
1199 rc = E_INVALIDARG;
1200 break;
1201 }
1202 RTStrFree(pszProperty);
1203 }
1204 else
1205 {
1206 RTPrintf("Error: Failed to allocate memory for VRDE property '%s'\n", aVRDEProperties[i]);
1207 rc = E_OUTOFMEMORY;
1208 break;
1209 }
1210 }
1211 if (FAILED(rc))
1212 break;
1213 }
1214
1215 /* enable VRDE server (only if currently disabled) */
1216 if (!fVRDEEnabled)
1217 {
1218 CHECK_ERROR_BREAK(vrdeServer, COMSETTER(Enabled)(TRUE));
1219 }
1220 }
1221 else
1222 {
1223 /* disable VRDE server (only if currently enabled */
1224 if (fVRDEEnabled)
1225 {
1226 CHECK_ERROR_BREAK(vrdeServer, COMSETTER(Enabled)(FALSE));
1227 }
1228 }
1229
1230 /* Disable the host clipboard before powering up */
1231 console->COMSETTER(UseHostClipboard)(false);
1232
1233 Log(("VBoxHeadless: Powering up the machine...\n"));
1234
1235 ComPtr <IProgress> progress;
1236 CHECK_ERROR_BREAK(console, PowerUp(progress.asOutParam()));
1237
1238 /*
1239 * Wait for the result because there can be errors.
1240 *
1241 * It's vital to process events while waiting (teleportation deadlocks),
1242 * so we'll poll for the completion instead of waiting on it.
1243 */
1244 for (;;)
1245 {
1246 BOOL fCompleted;
1247 rc = progress->COMGETTER(Completed)(&fCompleted);
1248 if (FAILED(rc) || fCompleted)
1249 break;
1250
1251 /* Process pending events, then wait for new ones. Note, this
1252 * processes NULL events signalling event loop termination. */
1253 gEventQ->processEventQueue(0);
1254 if (!g_fTerminateFE)
1255 gEventQ->processEventQueue(500);
1256 }
1257
1258 if (SUCCEEDED(progress->WaitForCompletion(-1)))
1259 {
1260 /* Figure out if the operation completed with a failed status
1261 * and print the error message. Terminate immediately, and let
1262 * the cleanup code take care of potentially pending events. */
1263 LONG progressRc;
1264 progress->COMGETTER(ResultCode)(&progressRc);
1265 rc = progressRc;
1266 if (FAILED(rc))
1267 {
1268 com::ProgressErrorInfo info(progress);
1269 if (info.isBasicAvailable())
1270 {
1271 RTPrintf("Error: failed to start machine. Error message: %ls\n", info.getText().raw());
1272 }
1273 else
1274 {
1275 RTPrintf("Error: failed to start machine. No error message available!\n");
1276 }
1277 break;
1278 }
1279 }
1280
1281 /* VirtualBox events registration. */
1282 {
1283 ComPtr<IEventSource> es;
1284 CHECK_ERROR(virtualBox, COMGETTER(EventSource)(es.asOutParam()));
1285 ComObjPtr<VirtualBoxEventListenerImpl> listener;
1286 listener.createObject();
1287 listener->init(new VirtualBoxEventListener());
1288 vboxListener = listener;
1289 com::SafeArray<VBoxEventType_T> eventTypes;
1290 eventTypes.push_back(VBoxEventType_OnGuestPropertyChanged);
1291
1292 /**
1293 * @todo Set the notification pattern to "/VirtualBox/GuestInfo/OS/ *Logged*"
1294 * to not cause too much load. The current API is broken as
1295 * IMachine::GuestPropertyNotificationPatterns() would change the
1296 * filter for _all_ clients. This is not what we want!
1297 */
1298 CHECK_ERROR(es, RegisterListener(vboxListener, ComSafeArrayAsInParam(eventTypes), true));
1299 }
1300
1301#ifdef VBOX_WITH_SAVESTATE_ON_SIGNAL
1302 signal(SIGINT, SaveState);
1303 signal(SIGTERM, SaveState);
1304#endif
1305
1306 Log(("VBoxHeadless: Waiting for PowerDown...\n"));
1307
1308 while ( !g_fTerminateFE
1309 && RT_SUCCESS(gEventQ->processEventQueue(RT_INDEFINITE_WAIT)))
1310 /* nothing */ ;
1311
1312 Log(("VBoxHeadless: event loop has terminated...\n"));
1313
1314#ifdef VBOX_WITH_VIDEO_REC
1315 if (pFramebuffer)
1316 {
1317 pFramebuffer->Release();
1318 Log(("Released framebuffer\n"));
1319 pFramebuffer = NULL;
1320 }
1321#endif /* defined(VBOX_WITH_VIDEO_REC) */
1322
1323 /* we don't have to disable VRDE here because we don't save the settings of the VM */
1324 }
1325 while (0);
1326
1327 /*
1328 * Get the machine state.
1329 */
1330 MachineState_T machineState = MachineState_Aborted;
1331 if (!machine.isNull())
1332 machine->COMGETTER(State)(&machineState);
1333
1334 /*
1335 * Turn off the VM if it's running
1336 */
1337 if ( gConsole
1338 && ( machineState == MachineState_Running
1339 || machineState == MachineState_Teleporting
1340 || machineState == MachineState_LiveSnapshotting
1341 /** @todo power off paused VMs too? */
1342 )
1343 )
1344 do
1345 {
1346 consoleListener->getWrapped()->ignorePowerOffEvents(true);
1347 ComPtr<IProgress> pProgress;
1348 CHECK_ERROR_BREAK(gConsole, PowerDown(pProgress.asOutParam()));
1349 CHECK_ERROR_BREAK(pProgress, WaitForCompletion(-1));
1350 BOOL completed;
1351 CHECK_ERROR_BREAK(pProgress, COMGETTER(Completed)(&completed));
1352 ASSERT(completed);
1353 LONG hrc;
1354 CHECK_ERROR_BREAK(pProgress, COMGETTER(ResultCode)(&hrc));
1355 if (FAILED(hrc))
1356 {
1357 RTPrintf("VBoxHeadless: ERROR: Failed to power down VM!");
1358 com::ErrorInfo info;
1359 if (!info.isFullAvailable() && !info.isBasicAvailable())
1360 com::GluePrintRCMessage(hrc);
1361 else
1362 GluePrintErrorInfo(info);
1363 break;
1364 }
1365 } while (0);
1366
1367 /* VirtualBox callback unregistration. */
1368 if (vboxListener)
1369 {
1370 ComPtr<IEventSource> es;
1371 CHECK_ERROR(virtualBox, COMGETTER(EventSource)(es.asOutParam()));
1372 if (!es.isNull())
1373 CHECK_ERROR(es, UnregisterListener(vboxListener));
1374 vboxListener.setNull();
1375 }
1376
1377 /* Console callback unregistration. */
1378 if (consoleListener)
1379 {
1380 ComPtr<IEventSource> es;
1381 CHECK_ERROR(gConsole, COMGETTER(EventSource)(es.asOutParam()));
1382 if (!es.isNull())
1383 CHECK_ERROR(es, UnregisterListener(consoleListener));
1384 consoleListener.setNull();
1385 }
1386
1387 /* VirtualBoxClient callback unregistration. */
1388 if (vboxClientListener)
1389 {
1390 ComPtr<IEventSource> pES;
1391 CHECK_ERROR(pVirtualBoxClient, COMGETTER(EventSource)(pES.asOutParam()));
1392 if (!pES.isNull())
1393 CHECK_ERROR(pES, UnregisterListener(vboxClientListener));
1394 vboxClientListener.setNull();
1395 }
1396
1397 /* No more access to the 'console' object, which will be uninitialized by the next session->Close call. */
1398 gConsole = NULL;
1399
1400 if (fSessionOpened)
1401 {
1402 /*
1403 * Close the session. This will also uninitialize the console and
1404 * unregister the callback we've registered before.
1405 */
1406 Log(("VBoxHeadless: Closing the session...\n"));
1407 session->UnlockMachine();
1408 }
1409
1410 /* Must be before com::Shutdown */
1411 session.setNull();
1412 virtualBox.setNull();
1413 pVirtualBoxClient.setNull();
1414 machine.setNull();
1415
1416 com::Shutdown();
1417
1418 LogFlow(("VBoxHeadless FINISHED.\n"));
1419
1420 return FAILED(rc) ? 1 : 0;
1421}
1422
1423
1424#ifndef VBOX_WITH_HARDENING
1425/**
1426 * Main entry point.
1427 */
1428int main(int argc, char **argv, char **envp)
1429{
1430 // initialize VBox Runtime
1431 int rc = RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_SUPLIB);
1432 if (RT_FAILURE(rc))
1433 {
1434 RTPrintf("VBoxHeadless: Runtime Error:\n"
1435 " %Rrc -- %Rrf\n", rc, rc);
1436 switch (rc)
1437 {
1438 case VERR_VM_DRIVER_NOT_INSTALLED:
1439 RTPrintf("Cannot access the kernel driver. Make sure the kernel module has been \n"
1440 "loaded successfully. Aborting ...\n");
1441 break;
1442 default:
1443 break;
1444 }
1445 return 1;
1446 }
1447
1448 return TrustedMain(argc, argv, envp);
1449}
1450#endif /* !VBOX_WITH_HARDENING */
1451
1452#ifdef VBOX_WITH_XPCOM
1453NS_DECL_CLASSINFO(NullFB)
1454NS_IMPL_THREADSAFE_ISUPPORTS1_CI(NullFB, IFramebuffer)
1455#endif
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