MachineImpl.cpp@ 103131

Last change on this file since 103131 was 103085, checked in by vboxsync, 9 months ago
Main,FE/VBoxManage,FE/VirtualBox,ValidationKit: Allow setting the primary VM execution engine to make it easier to force particular engine for testing, bugref:10583
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 581.2 KB

Line
1	/* $Id: MachineImpl.cpp 103085 2024-01-26 16:17:43Z vboxsync $ */
2	/** @file
3	* Implementation of IMachine in VBoxSVC.
4	*/
5
6	/*
7	* Copyright (C) 2004-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28	#define LOG_GROUP LOG_GROUP_MAIN_MACHINE
29
30	/* Make sure all the stdint.h macros are included - must come first! */
31	#ifndef __STDC_LIMIT_MACROS
32	# define __STDC_LIMIT_MACROS
33	#endif
34	#ifndef __STDC_CONSTANT_MACROS
35	# define __STDC_CONSTANT_MACROS
36	#endif
37
38	#include "LoggingNew.h"
39	#include "VirtualBoxImpl.h"
40	#include "MachineImpl.h"
41	#include "SnapshotImpl.h"
42	#include "ClientToken.h"
43	#include "ProgressImpl.h"
44	#include "ProgressProxyImpl.h"
45	#include "MediumAttachmentImpl.h"
46	#include "MediumImpl.h"
47	#include "MediumLock.h"
48	#include "USBControllerImpl.h"
49	#include "USBDeviceFiltersImpl.h"
50	#include "HostImpl.h"
51	#include "SharedFolderImpl.h"
52	#include "GuestOSTypeImpl.h"
53	#include "VirtualBoxErrorInfoImpl.h"
54	#include "StorageControllerImpl.h"
55	#include "DisplayImpl.h"
56	#include "DisplayUtils.h"
57	#include "MachineImplCloneVM.h"
58	#include "AutostartDb.h"
59	#include "SystemPropertiesImpl.h"
60	#include "StorageControllerImpl.h"
61	#include "MachineImplMoveVM.h"
62	#include "ExtPackManagerImpl.h"
63	#include "MachineLaunchVMCommonWorker.h"
64	#include "CryptoUtils.h"
65
66	// generated header
67	#include "VBoxEvents.h"
68
69	#ifdef VBOX_WITH_USB
70	# include "USBProxyService.h"
71	#endif
72
73	#include "AutoCaller.h"
74	#include "HashedPw.h"
75	#include "Performance.h"
76	#include "StringifyEnums.h"
77
78	#include <iprt/asm.h>
79	#include <iprt/path.h>
80	#include <iprt/dir.h>
81	#include <iprt/env.h>
82	#include <iprt/lockvalidator.h>
83	#include <iprt/memsafer.h>
84	#include <iprt/process.h>
85	#include <iprt/cpp/utils.h>
86	#include <iprt/cpp/xml.h> /* xml::XmlFileWriter::s_pszSuff. /
87	#include <iprt/sha.h>
88	#include <iprt/string.h>
89	#include <iprt/ctype.h>
90
91	#include <VBox/com/array.h>
92	#include <VBox/com/list.h>
93	#include <VBox/VBoxCryptoIf.h>
94
95	#include <VBox/err.h>
96	#include <VBox/param.h>
97	#include <VBox/settings.h>
98	#include <VBox/VMMDev.h>
99	#include <VBox/vmm/ssm.h>
100
101	#ifdef VBOX_WITH_GUEST_PROPS
102	# include <VBox/HostServices/GuestPropertySvc.h>
103	# include <VBox/com/array.h>
104	#endif
105
106	#ifdef VBOX_WITH_SHARED_CLIPBOARD
107	# include <VBox/HostServices/VBoxClipboardSvc.h>
108	#endif
109
110	#include "VBox/com/MultiResult.h"
111
112	#include <algorithm>
113
114	#ifdef VBOX_WITH_DTRACE_R3_MAIN
115	# include "dtrace/VBoxAPI.h"
116	#endif
117
118	#if defined(RT_OS_WINDOWS) \|\| defined(RT_OS_OS2)
119	# define HOSTSUFF_EXE ".exe"
120	#else /* !RT_OS_WINDOWS */
121	# define HOSTSUFF_EXE ""
122	#endif /* !RT_OS_WINDOWS */
123
124	// defines / prototypes
125	/////////////////////////////////////////////////////////////////////////////
126
127	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
128	# define BUF_DATA_SIZE _64K
129
130	enum CipherMode
131	{
132	CipherModeGcm = 0,
133	CipherModeCtr,
134	CipherModeXts,
135	CipherModeMax
136	};
137
138	enum AesSize
139	{
140	Aes128 = 0,
141	Aes256,
142	AesMax
143	};
144
145	const char *g_apszCipher[AesMax][CipherModeMax] =
146	{
147	{"AES-GCM128", "AES-CTR128", "AES-XTS128-PLAIN64"},
148	{"AES-GCM256", "AES-CTR256", "AES-XTS256-PLAIN64"}
149	};
150	const char *g_apszCipherAlgo[AesMax] = {"AES-128", "AES-256"};
151
152	static const char getCipherString(const char pszAlgo, const int iMode)
153	{
154	if (iMode >= CipherModeMax)
155	return pszAlgo;
156
157	for (int i = 0; i < AesMax; i++)
158	{
159	if (strcmp(pszAlgo, g_apszCipherAlgo[i]) == 0)
160	return g_apszCipher[i][iMode];
161	}
162	return pszAlgo;
163	}
164
165	static const char getCipherStringWithoutMode(const char pszAlgo)
166	{
167	for (int i = 0; i < AesMax; i++)
168	{
169	for (int j = 0; j < CipherModeMax; j++)
170	{
171	if (strcmp(pszAlgo, g_apszCipher[i][j]) == 0)
172	return g_apszCipherAlgo[i];
173	}
174	}
175	return pszAlgo;
176	}
177	#endif
178
179	/////////////////////////////////////////////////////////////////////////////
180	// Machine::Data structure
181	/////////////////////////////////////////////////////////////////////////////
182
183	Machine::Data::Data()
184	{
185	mRegistered = FALSE;
186	pMachineConfigFile = NULL;
187	/* Contains hints on what has changed when the user is using the VM (config
188	* changes, running the VM, ...). This is used to decide if a config needs
189	* to be written to disk. */
190	flModifications = 0;
191	/* VM modification usually also trigger setting the current state to
192	* "Modified". Although this is not always the case. An e.g. is the VM
193	* initialization phase or when snapshot related data is changed. The
194	* actually behavior is controlled by the following flag. */
195	m_fAllowStateModification = false;
196	mAccessible = FALSE;
197	/* mUuid is initialized in Machine::init() */
198
199	mMachineState = MachineState_PoweredOff;
200	RTTimeNow(&mLastStateChange);
201
202	mMachineStateDeps = 0;
203	mMachineStateDepsSem = NIL_RTSEMEVENTMULTI;
204	mMachineStateChangePending = 0;
205
206	mCurrentStateModified = TRUE;
207	mGuestPropertiesModified = FALSE;
208
209	mSession.mPID = NIL_RTPROCESS;
210	mSession.mLockType = LockType_Null;
211	mSession.mState = SessionState_Unlocked;
212
213	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
214	mpKeyStore = NULL;
215	#endif
216	}
217
218	Machine::Data::~Data()
219	{
220	if (mMachineStateDepsSem != NIL_RTSEMEVENTMULTI)
221	{
222	RTSemEventMultiDestroy(mMachineStateDepsSem);
223	mMachineStateDepsSem = NIL_RTSEMEVENTMULTI;
224	}
225	if (pMachineConfigFile)
226	{
227	delete pMachineConfigFile;
228	pMachineConfigFile = NULL;
229	}
230	}
231
232	/////////////////////////////////////////////////////////////////////////////
233	// Machine::HWData structure
234	/////////////////////////////////////////////////////////////////////////////
235
236	Machine::HWData::HWData()
237	{
238	/* default values for a newly created machine for x86. */
239	mHWVersion.printf("%d", SchemaDefs::DefaultHardwareVersion);
240	mMemorySize = 128;
241	mCPUCount = 1;
242	mCPUHotPlugEnabled = false;
243	mMemoryBalloonSize = 0;
244	mPageFusionEnabled = false;
245	mCpuExecutionCap = 100; /* Maximum CPU execution cap by default. */
246	mCpuIdPortabilityLevel = 0;
247	mCpuProfile = "host";
248
249	/* default boot order: floppy - DVD - HDD */
250	mBootOrder[0] = DeviceType_Floppy;
251	mBootOrder[1] = DeviceType_DVD;
252	mBootOrder[2] = DeviceType_HardDisk;
253	for (size_t i = 3; i < RT_ELEMENTS(mBootOrder); ++i)
254	mBootOrder[i] = DeviceType_Null;
255
256	mClipboardMode = ClipboardMode_Disabled;
257	mClipboardFileTransfersEnabled = FALSE;
258
259	mDnDMode = DnDMode_Disabled;
260
261	mKeyboardHIDType = KeyboardHIDType_PS2Keyboard;
262	mPointingHIDType = PointingHIDType_PS2Mouse;
263	mParavirtProvider = ParavirtProvider_Default;
264	mEmulatedUSBCardReaderEnabled = FALSE;
265
266	for (size_t i = 0; i < RT_ELEMENTS(mCPUAttached); ++i)
267	mCPUAttached[i] = false;
268
269	mIOCacheEnabled = true;
270	mIOCacheSize = 5; /* 5MB */
271	}
272
273	Machine::HWData::~HWData()
274	{
275	}
276
277	/////////////////////////////////////////////////////////////////////////////
278	// Machine class
279	/////////////////////////////////////////////////////////////////////////////
280
281	// constructor / destructor
282	/////////////////////////////////////////////////////////////////////////////
283
284	Machine::Machine() :
285	#ifdef VBOX_WITH_RESOURCE_USAGE_API
286	mCollectorGuest(NULL),
287	#endif
288	mPeer(NULL),
289	mParent(NULL),
290	mSerialPorts(),
291	mParallelPorts(),
292	uRegistryNeedsSaving(0)
293	{}
294
295	Machine::~Machine()
296	{}
297
298	HRESULT Machine::FinalConstruct()
299	{
300	LogFlowThisFunc(("\n"));
301	return BaseFinalConstruct();
302	}
303
304	void Machine::FinalRelease()
305	{
306	LogFlowThisFunc(("\n"));
307	uninit();
308	BaseFinalRelease();
309	}
310
311	/**
312	* Initializes a new machine instance; this init() variant creates a new, empty machine.
313	* This gets called from VirtualBox::CreateMachine().
314	*
315	* @param aParent Associated parent object.
316	* @param strConfigFile Local file system path to the VM settings (can be relative to the VirtualBox config directory).
317	* @param strName Name for the machine.
318	* @param aArchitecture Architecture to use for the machine.
319	* If a valid guest OS type is set via \a aOsType, the guest OS' type will be used instead then.
320	* @param llGroups list of groups for the machine.
321	* @param strOsType OS Type string (stored as is if aOsType is NULL).
322	* @param aOsType OS Type of this machine or NULL.
323	* @param aId UUID for the new machine.
324	* @param fForceOverwrite Whether to overwrite an existing machine settings file.
325	* @param fDirectoryIncludesUUID
326	* Whether the use a special VM directory naming scheme (includes the UUID).
327	* @param aCipher The cipher to encrypt the VM with.
328	* @param aPasswordId The password ID, empty if the VM should not be encrypted.
329	* @param aPassword The password to encrypt the VM with.
330	*
331	* @return Success indicator. if not S_OK, the machine object is invalid.
332	*/
333	HRESULT Machine::init(VirtualBox *aParent,
334	const Utf8Str &strConfigFile,
335	const Utf8Str &strName,
336	PlatformArchitecture_T aArchitecture,
337	const StringsList &llGroups,
338	const Utf8Str &strOsType,
339	GuestOSType *aOsType,
340	const Guid &aId,
341	bool fForceOverwrite,
342	bool fDirectoryIncludesUUID,
343	const com::Utf8Str &aCipher,
344	const com::Utf8Str &aPasswordId,
345	const com::Utf8Str &aPassword)
346	{
347	LogFlowThisFuncEnter();
348	LogFlowThisFunc(("(Init_New) aConfigFile='%s'\n", strConfigFile.c_str()));
349
350	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
351	RT_NOREF(aCipher);
352	if (aPassword.isNotEmpty() \|\| aPasswordId.isNotEmpty())
353	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
354	#endif
355
356	/* Enclose the state transition NotReady->InInit->Ready */
357	AutoInitSpan autoInitSpan(this);
358	AssertReturn(autoInitSpan.isOk(), E_FAIL);
359
360	HRESULT hrc = initImpl(aParent, strConfigFile);
361	if (FAILED(hrc)) return hrc;
362
363	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
364	com::Utf8Str strSsmKeyId;
365	com::Utf8Str strSsmKeyStore;
366	com::Utf8Str strNVRAMKeyId;
367	com::Utf8Str strNVRAMKeyStore;
368
369	if (aPassword.isNotEmpty() && aPasswordId.isNotEmpty())
370	{
371	/* Resolve the cryptographic interface. */
372	PCVBOXCRYPTOIF pCryptoIf = NULL;
373	hrc = aParent->i_retainCryptoIf(&pCryptoIf);
374	if (SUCCEEDED(hrc))
375	{
376	CipherMode aenmMode[] = {CipherModeGcm, CipherModeGcm, CipherModeGcm, CipherModeCtr};
377	com::Utf8Str *astrKeyId[] = {&mData->mstrKeyId, &strSsmKeyId, &strNVRAMKeyId, &mData->mstrLogKeyId};
378	com::Utf8Str *astrKeyStore[] = {&mData->mstrKeyStore, &strSsmKeyStore, &strNVRAMKeyStore, &mData->mstrLogKeyStore};
379
380	for (uint32_t i = 0; i < RT_ELEMENTS(astrKeyId); i++)
381	{
382	const char *pszCipher = getCipherString(aCipher.c_str(), aenmMode[i]);
383	if (!pszCipher)
384	{
385	hrc = setError(VBOX_E_NOT_SUPPORTED,
386	tr("The cipher '%s' is not supported"), aCipher.c_str());
387	break;
388	}
389
390	VBOXCRYPTOCTX hCryptoCtx;
391	int vrc = pCryptoIf->pfnCryptoCtxCreate(pszCipher, aPassword.c_str(), &hCryptoCtx);
392	if (RT_FAILURE(vrc))
393	{
394	hrc = setErrorBoth(E_FAIL, vrc, tr("New key store creation failed, (%Rrc)"), vrc);
395	break;
396	}
397
398	char *pszKeyStore;
399	vrc = pCryptoIf->pfnCryptoCtxSave(hCryptoCtx, &pszKeyStore);
400	int vrc2 = pCryptoIf->pfnCryptoCtxDestroy(hCryptoCtx);
401	AssertRC(vrc2);
402
403	if (RT_FAILURE(vrc))
404	{
405	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Saving the key store failed, (%Rrc)"), vrc);
406	break;
407	}
408
409	*(astrKeyStore[i]) = pszKeyStore;
410	RTMemFree(pszKeyStore);
411	*(astrKeyId[i]) = aPasswordId;
412	}
413
414	HRESULT hrc2 = aParent->i_releaseCryptoIf(pCryptoIf);
415	Assert(hrc2 == S_OK); RT_NOREF(hrc2);
416
417	if (FAILED(hrc))
418	return hrc; /* Error is set. */
419	}
420	else
421	return hrc; /* Error is set. */
422	}
423	#endif
424
425	hrc = i_tryCreateMachineConfigFile(fForceOverwrite);
426	if (FAILED(hrc)) return hrc;
427
428	if (SUCCEEDED(hrc))
429	{
430	// create an empty machine config
431	mData->pMachineConfigFile = new settings::MachineConfigFile(NULL);
432
433	hrc = initDataAndChildObjects();
434	}
435
436	if (SUCCEEDED(hrc))
437	{
438	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
439	mSSData->strStateKeyId = strSsmKeyId;
440	mSSData->strStateKeyStore = strSsmKeyStore;
441	#endif
442
443	// set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
444	mData->mAccessible = TRUE;
445
446	unconst(mData->mUuid) = aId;
447
448	mUserData->s.strName = strName;
449
450	if (llGroups.size())
451	mUserData->s.llGroups = llGroups;
452
453	mUserData->s.fDirectoryIncludesUUID = fDirectoryIncludesUUID;
454	// the "name sync" flag determines whether the machine directory gets renamed along
455	// with the machine file; say so if the settings file name is the same as the
456	// settings file parent directory (machine directory)
457	mUserData->s.fNameSync = i_isInOwnDir();
458
459	// initialize the default snapshots folder
460	hrc = COMSETTER(SnapshotFolder)(NULL);
461	AssertComRC(hrc);
462
463	/* Use the platform architecture which was handed-in by default. */
464	PlatformArchitecture_T enmPlatformArch = aArchitecture;
465
466	if (aOsType)
467	{
468	/* Store OS type */
469	mUserData->s.strOsType = aOsType->i_id();
470
471	/* Use the platform architecture of the found guest OS type. */
472	enmPlatformArch = aOsType->i_platformArchitecture();
473	}
474	else if (!strOsType.isEmpty())
475	{
476	/* Store OS type */
477	mUserData->s.strOsType = strOsType;
478	}
479
480	/* Set the platform architecture first before applying the defaults below. */
481	hrc = mPlatform->i_initArchitecture(enmPlatformArch);
482	if (FAILED(hrc)) return hrc;
483
484	/* Apply platform defaults. */
485	mPlatform->i_applyDefaults(aOsType);
486	i_platformPropertiesUpdate();
487
488	/* Apply firmware defaults. */
489	mFirmwareSettings->i_applyDefaults(aOsType);
490
491	/* Apply TPM defaults. */
492	mTrustedPlatformModule->i_applyDefaults(aOsType);
493
494	/* Apply recording defaults. */
495	mRecordingSettings->i_applyDefaults();
496
497	/* Apply network adapters defaults */
498	for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)
499	mNetworkAdapters[slot]->i_applyDefaults(aOsType);
500
501	/* Apply serial port defaults */
502	for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
503	mSerialPorts[slot]->i_applyDefaults(aOsType);
504
505	/* Apply parallel port defaults */
506	for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); ++slot)
507	mParallelPorts[slot]->i_applyDefaults();
508
509	/* Enable the VMMDev testing feature for bootsector VMs: */
510	if (aOsType && aOsType->i_id() == GUEST_OS_ID_STR_X64("VBoxBS"))
511	mData->pMachineConfigFile->mapExtraDataItems["VBoxInternal/Devices/VMMDev/0/Config/TestingEnabled"] = "1";
512
513	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
514	hrc = mNvramStore->i_updateEncryptionSettings(strNVRAMKeyId, strNVRAMKeyStore);
515	#endif
516	if (SUCCEEDED(hrc))
517	{
518	/* At this point the changing of the current state modification
519	* flag is allowed. */
520	i_allowStateModification();
521
522	/* commit all changes made during the initialization */
523	i_commit();
524	}
525	}
526
527	/* Confirm a successful initialization when it's the case */
528	if (SUCCEEDED(hrc))
529	{
530	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
531	if (aPassword.isNotEmpty() && aPasswordId.isNotEmpty())
532	{
533	size_t cbPassword = aPassword.length() + 1;
534	uint8_t pbPassword = (uint8_t )aPassword.c_str();
535	mData->mpKeyStore->addSecretKey(aPasswordId, pbPassword, cbPassword);
536	}
537	#endif
538
539	if (mData->mAccessible)
540	autoInitSpan.setSucceeded();
541	else
542	autoInitSpan.setLimited();
543	}
544
545	LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool, hrc=%08X\n",
546	!!mUserData ? mUserData->s.strName.c_str() : "NULL",
547	mData->mRegistered,
548	mData->mAccessible,
549	hrc));
550
551	LogFlowThisFuncLeave();
552
553	return hrc;
554	}
555
556	/**
557	* Initializes a new instance with data from machine XML (formerly Init_Registered).
558	* Gets called in two modes:
559	*
560	* -- from VirtualBox::initMachines() during VirtualBox startup; in that case, the
561	* UUID is specified and we mark the machine as "registered";
562	*
563	* -- from the public VirtualBox::OpenMachine() API, in which case the UUID is NULL
564	* and the machine remains unregistered until RegisterMachine() is called.
565	*
566	* @param aParent Associated parent object
567	* @param strConfigFile Local file system path to the VM settings file (can
568	* be relative to the VirtualBox config directory).
569	* @param aId UUID of the machine or NULL (see above).
570	* @param strPassword Password for decrypting the config
571	*
572	* @return Success indicator. if not S_OK, the machine object is invalid
573	*/
574	HRESULT Machine::initFromSettings(VirtualBox *aParent,
575	const Utf8Str &strConfigFile,
576	const Guid *aId,
577	const com::Utf8Str &strPassword)
578	{
579	LogFlowThisFuncEnter();
580	LogFlowThisFunc(("(Init_Registered) aConfigFile='%s\n", strConfigFile.c_str()));
581
582	PCVBOXCRYPTOIF pCryptoIf = NULL;
583	#ifndef VBOX_WITH_FULL_VM_ENCRYPTION
584	if (strPassword.isNotEmpty())
585	return setError(VBOX_E_NOT_SUPPORTED, tr("Full VM encryption is not available with this build"));
586	#else
587	if (strPassword.isNotEmpty())
588	{
589	/* Get at the crpytographic interface. */
590	HRESULT hrc = aParent->i_retainCryptoIf(&pCryptoIf);
591	if (FAILED(hrc))
592	return hrc; /* Error is set. */
593	}
594	#endif
595
596	/* Enclose the state transition NotReady->InInit->Ready */
597	AutoInitSpan autoInitSpan(this);
598	AssertReturn(autoInitSpan.isOk(), E_FAIL);
599
600	HRESULT hrc = initImpl(aParent, strConfigFile);
601	if (FAILED(hrc)) return hrc;
602
603	if (aId)
604	{
605	// loading a registered VM:
606	unconst(mData->mUuid) = *aId;
607	mData->mRegistered = TRUE;
608	// now load the settings from XML:
609	hrc = i_registeredInit();
610	// this calls initDataAndChildObjects() and loadSettings()
611	}
612	else
613	{
614	// opening an unregistered VM (VirtualBox::OpenMachine()):
615	hrc = initDataAndChildObjects();
616	if (SUCCEEDED(hrc))
617	{
618	// set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
619	mData->mAccessible = TRUE;
620
621	try
622	{
623	// load and parse machine XML; this will throw on XML or logic errors
624	mData->pMachineConfigFile = new settings::MachineConfigFile(&mData->m_strConfigFileFull,
625	pCryptoIf,
626	strPassword.c_str());
627
628	// reject VM UUID duplicates, they can happen if someone
629	// tries to register an already known VM config again
630	if (aParent->i_findMachine(mData->pMachineConfigFile->uuid,
631	true /* fPermitInaccessible */,
632	false /* aDoSetError */,
633	NULL) != VBOX_E_OBJECT_NOT_FOUND)
634	{
635	throw setError(E_FAIL,
636	tr("Trying to open a VM config '%s' which has the same UUID as an existing virtual machine"),
637	mData->m_strConfigFile.c_str());
638	}
639
640	// use UUID from machine config
641	unconst(mData->mUuid) = mData->pMachineConfigFile->uuid;
642
643	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
644	// No exception is thrown if config is encrypted, allowing us to get the uuid and the encryption fields.
645	// We fill in the encryptions fields, and the rest will be filled in if all data parsed.
646	mData->mstrKeyId = mData->pMachineConfigFile->strKeyId;
647	mData->mstrKeyStore = mData->pMachineConfigFile->strKeyStore;
648	#endif
649
650	if (mData->pMachineConfigFile->enmParseState == settings::MachineConfigFile::ParseState_PasswordError)
651	{
652	// We just set the inaccessible state and fill the error info allowing the caller
653	// to register the machine with encrypted config even if the password is incorrect
654	mData->mAccessible = FALSE;
655
656	/* fetch the current error info */
657	mData->mAccessError = com::ErrorInfo();
658
659	setError(VBOX_E_PASSWORD_INCORRECT,
660	tr("Decryption of the machine {%RTuuid} failed. Incorrect or unknown password"),
661	mData->pMachineConfigFile->uuid.raw());
662	}
663	else
664	{
665	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
666	if (strPassword.isNotEmpty())
667	{
668	size_t cbKey = strPassword.length() + 1; /* Include terminator */
669	const uint8_t pbKey = (const uint8_t )strPassword.c_str();
670	mData->mpKeyStore->addSecretKey(mData->mstrKeyId, pbKey, cbKey);
671	}
672	#endif
673
674	hrc = i_loadMachineDataFromSettings(mData->pMachineConfigFile, NULL / puuidRegistry */);
675	if (FAILED(hrc)) throw hrc;
676
677	/* At this point the changing of the current state modification
678	* flag is allowed. */
679	i_allowStateModification();
680
681	i_commit();
682	}
683	}
684	catch (HRESULT err)
685	{
686	/* we assume that error info is set by the thrower */
687	hrc = err;
688	}
689	catch (...)
690	{
691	hrc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
692	}
693	}
694	}
695
696	/* Confirm a successful initialization when it's the case */
697	if (SUCCEEDED(hrc))
698	{
699	if (mData->mAccessible)
700	autoInitSpan.setSucceeded();
701	else
702	{
703	autoInitSpan.setLimited();
704
705	// uninit media from this machine's media registry, or else
706	// reloading the settings will fail
707	mParent->i_unregisterMachineMedia(i_getId());
708	}
709	}
710
711	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
712	if (pCryptoIf)
713	{
714	HRESULT hrc2 = aParent->i_releaseCryptoIf(pCryptoIf);
715	Assert(hrc2 == S_OK); RT_NOREF(hrc2);
716	}
717	#endif
718
719	LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool hrc=%08X\n",
720	!!mUserData ? mUserData->s.strName.c_str() : "NULL", mData->mRegistered, mData->mAccessible, hrc));
721
722	LogFlowThisFuncLeave();
723
724	return hrc;
725	}
726
727	/**
728	* Initializes a new instance from a machine config that is already in memory
729	* (import OVF case). Since we are importing, the UUID in the machine
730	* config is ignored and we always generate a fresh one.
731	*
732	* @param aParent Associated parent object.
733	* @param strName Name for the new machine; this overrides what is specified in config.
734	* @param strSettingsFilename File name of .vbox file.
735	* @param config Machine configuration loaded and parsed from XML.
736	*
737	* @return Success indicator. if not S_OK, the machine object is invalid
738	*/
739	HRESULT Machine::init(VirtualBox *aParent,
740	const Utf8Str &strName,
741	const Utf8Str &strSettingsFilename,
742	const settings::MachineConfigFile &config)
743	{
744	LogFlowThisFuncEnter();
745
746	/* Enclose the state transition NotReady->InInit->Ready */
747	AutoInitSpan autoInitSpan(this);
748	AssertReturn(autoInitSpan.isOk(), E_FAIL);
749
750	HRESULT hrc = initImpl(aParent, strSettingsFilename);
751	if (FAILED(hrc)) return hrc;
752
753	hrc = i_tryCreateMachineConfigFile(false /* fForceOverwrite */);
754	if (FAILED(hrc)) return hrc;
755
756	hrc = initDataAndChildObjects();
757	if (SUCCEEDED(hrc))
758	{
759	// set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
760	mData->mAccessible = TRUE;
761
762	// create empty machine config for instance data
763	mData->pMachineConfigFile = new settings::MachineConfigFile(NULL);
764
765	// generate fresh UUID, ignore machine config
766	unconst(mData->mUuid).create();
767
768	hrc = i_loadMachineDataFromSettings(config, &mData->mUuid); // puuidRegistry: initialize media with this registry ID
769
770	// override VM name as well, it may be different
771	mUserData->s.strName = strName;
772
773	if (SUCCEEDED(hrc))
774	{
775	/* At this point the changing of the current state modification
776	* flag is allowed. */
777	i_allowStateModification();
778
779	/* commit all changes made during the initialization */
780	i_commit();
781	}
782	}
783
784	/* Confirm a successful initialization when it's the case */
785	if (SUCCEEDED(hrc))
786	{
787	if (mData->mAccessible)
788	autoInitSpan.setSucceeded();
789	else
790	{
791	/* Ignore all errors from unregistering, they would destroy
792	- * the more interesting error information we already have,
793	- * pinpointing the issue with the VM config. */
794	ErrorInfoKeeper eik;
795
796	autoInitSpan.setLimited();
797
798	// uninit media from this machine's media registry, or else
799	// reloading the settings will fail
800	mParent->i_unregisterMachineMedia(i_getId());
801	}
802	}
803
804	LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool hrc=%08X\n",
805	!!mUserData ? mUserData->s.strName.c_str() : "NULL", mData->mRegistered, mData->mAccessible, hrc));
806
807	LogFlowThisFuncLeave();
808
809	return hrc;
810	}
811
812	/**
813	* Shared code between the various init() implementations.
814	*
815	* @returns HRESULT
816	* @param aParent The VirtualBox object.
817	* @param strConfigFile Settings file.
818	*/
819	HRESULT Machine::initImpl(VirtualBox *aParent,
820	const Utf8Str &strConfigFile)
821	{
822	LogFlowThisFuncEnter();
823
824	AssertReturn(aParent, E_INVALIDARG);
825	AssertReturn(!strConfigFile.isEmpty(), E_INVALIDARG);
826
827	HRESULT hrc = S_OK;
828
829	/* share the parent weakly */
830	unconst(mParent) = aParent;
831
832	/* allocate the essential machine data structure (the rest will be
833	* allocated later by initDataAndChildObjects() */
834	mData.allocate();
835
836	/* memorize the config file name (as provided) */
837	mData->m_strConfigFile = strConfigFile;
838
839	/* get the full file name */
840	int vrc1 = mParent->i_calculateFullPath(strConfigFile, mData->m_strConfigFileFull);
841	if (RT_FAILURE(vrc1))
842	return setErrorBoth(VBOX_E_FILE_ERROR, vrc1,
843	tr("Invalid machine settings file name '%s' (%Rrc)"),
844	strConfigFile.c_str(),
845	vrc1);
846
847	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
848	/** @todo Only create when the machine is going to be encrypted. */
849	/* Non-pageable memory is not accessible for non-VM process */
850	mData->mpKeyStore = new SecretKeyStore(false /* fKeyBufNonPageable */);
851	AssertReturn(mData->mpKeyStore, E_OUTOFMEMORY);
852	#endif
853
854	LogFlowThisFuncLeave();
855
856	return hrc;
857	}
858
859	/**
860	* Tries to create a machine settings file in the path stored in the machine
861	* instance data. Used when a new machine is created to fail gracefully if
862	* the settings file could not be written (e.g. because machine dir is read-only).
863	* @return
864	*/
865	HRESULT Machine::i_tryCreateMachineConfigFile(bool fForceOverwrite)
866	{
867	HRESULT hrc = S_OK;
868
869	// when we create a new machine, we must be able to create the settings file
870	RTFILE f = NIL_RTFILE;
871	int vrc = RTFileOpen(&f, mData->m_strConfigFileFull.c_str(), RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE);
872	if ( RT_SUCCESS(vrc)
873	\|\| vrc == VERR_SHARING_VIOLATION
874	)
875	{
876	if (RT_SUCCESS(vrc))
877	RTFileClose(f);
878	if (!fForceOverwrite)
879	hrc = setError(VBOX_E_FILE_ERROR, tr("Machine settings file '%s' already exists"), mData->m_strConfigFileFull.c_str());
880	else
881	{
882	/* try to delete the config file, as otherwise the creation
883	* of a new settings file will fail. */
884	i_deleteFile(mData->m_strConfigFileFull.c_str(), false /* fIgnoreFailures */, tr("existing settings file"));
885	}
886	}
887	else if ( vrc != VERR_FILE_NOT_FOUND
888	&& vrc != VERR_PATH_NOT_FOUND
889	)
890	hrc = setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Invalid machine settings file name '%s' (%Rrc)"),
891	mData->m_strConfigFileFull.c_str(), vrc);
892	return hrc;
893	}
894
895	/**
896	* Initializes the registered machine by loading the settings file.
897	* This method is separated from #init() in order to make it possible to
898	* retry the operation after VirtualBox startup instead of refusing to
899	* startup the whole VirtualBox server in case if the settings file of some
900	* registered VM is invalid or inaccessible.
901	*
902	* @note Must be always called from this object's write lock
903	* (unless called from #init() that doesn't need any locking).
904	* @note Locks the mUSBController method for writing.
905	* @note Subclasses must not call this method.
906	*/
907	HRESULT Machine::i_registeredInit()
908	{
909	AssertReturn(!i_isSessionMachine(), E_FAIL);
910	AssertReturn(!i_isSnapshotMachine(), E_FAIL);
911	AssertReturn(mData->mUuid.isValid(), E_FAIL);
912	AssertReturn(!mData->mAccessible, E_FAIL);
913
914	HRESULT hrc = initDataAndChildObjects();
915	if (SUCCEEDED(hrc))
916	{
917	/* Temporarily reset the registered flag in order to let setters
918	* potentially called from loadSettings() succeed (isMutable() used in
919	* all setters will return FALSE for a Machine instance if mRegistered
920	* is TRUE). */
921	mData->mRegistered = FALSE;
922
923	PCVBOXCRYPTOIF pCryptoIf = NULL;
924	SecretKey *pKey = NULL;
925	const char *pszPassword = NULL;
926	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
927	/* Resolve password and cryptographic support interface if machine is encrypted. */
928	if (mData->mstrKeyId.isNotEmpty())
929	{
930	/* Get at the crpytographic interface. */
931	hrc = mParent->i_retainCryptoIf(&pCryptoIf);
932	if (SUCCEEDED(hrc))
933	{
934	int vrc = mData->mpKeyStore->retainSecretKey(mData->mstrKeyId, &pKey);
935	if (RT_SUCCESS(vrc))
936	pszPassword = (const char *)pKey->getKeyBuffer();
937	else
938	hrc = setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("Failed to retain key for key ID '%s' with %Rrc"),
939	mData->mstrKeyId.c_str(), vrc);
940	}
941	}
942	#else
943	RT_NOREF(pKey);
944	#endif
945
946	if (SUCCEEDED(hrc))
947	{
948	try
949	{
950	// load and parse machine XML; this will throw on XML or logic errors
951	mData->pMachineConfigFile = new settings::MachineConfigFile(&mData->m_strConfigFileFull,
952	pCryptoIf, pszPassword);
953
954	if (mData->mUuid != mData->pMachineConfigFile->uuid)
955	throw setError(E_FAIL,
956	tr("Machine UUID {%RTuuid} in '%s' doesn't match its UUID {%s} in the registry file '%s'"),
957	mData->pMachineConfigFile->uuid.raw(),
958	mData->m_strConfigFileFull.c_str(),
959	mData->mUuid.toString().c_str(),
960	mParent->i_settingsFilePath().c_str());
961
962	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
963	// If config is encrypted, no exception is thrown allowing us to get the uuid and the encryption fields.
964	// We fill in the encryptions fields, and the rest will be filled in if all data parsed
965	mData->mstrKeyId = mData->pMachineConfigFile->strKeyId;
966	mData->mstrKeyStore = mData->pMachineConfigFile->strKeyStore;
967
968	if (mData->pMachineConfigFile->enmParseState == settings::MachineConfigFile::ParseState_PasswordError)
969	hrc = setError(VBOX_E_PASSWORD_INCORRECT,
970	tr("Config decryption of the machine {%RTuuid} failed. Incorrect or unknown password"),
971	mData->pMachineConfigFile->uuid.raw());
972	else
973	#endif
974	hrc = i_loadMachineDataFromSettings(mData->pMachineConfigFile, NULL / const Guid puuidRegistry /);
975	if (FAILED(hrc)) throw hrc;
976	}
977	catch (HRESULT err)
978	{
979	/* we assume that error info is set by the thrower */
980	hrc = err;
981	}
982	catch (...)
983	{
984	hrc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
985	}
986
987	/* Restore the registered flag (even on failure) */
988	mData->mRegistered = TRUE;
989	}
990
991	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
992	if (pCryptoIf)
993	mParent->i_releaseCryptoIf(pCryptoIf);
994	if (pKey)
995	mData->mpKeyStore->releaseSecretKey(mData->mstrKeyId);
996	#endif
997	}
998
999	if (SUCCEEDED(hrc))
1000	{
1001	/* Set mAccessible to TRUE only if we successfully locked and loaded
1002	* the settings file */
1003	mData->mAccessible = TRUE;
1004
1005	/* commit all changes made during loading the settings file */
1006	i_commit(); /// @todo r=dj why do we need a commit during init?!? this is very expensive
1007	/// @todo r=klaus for some reason the settings loading logic backs up
1008	// the settings, and therefore a commit is needed. Should probably be changed.
1009	}
1010	else
1011	{
1012	/* If the machine is registered, then, instead of returning a
1013	* failure, we mark it as inaccessible and set the result to
1014	* success to give it a try later */
1015
1016	/* fetch the current error info */
1017	mData->mAccessError = com::ErrorInfo();
1018	Log1Warning(("Machine {%RTuuid} is inaccessible! [%ls]\n", mData->mUuid.raw(), mData->mAccessError.getText().raw()));
1019
1020	/* rollback all changes */
1021	i_rollback(false /* aNotify */);
1022
1023	// uninit media from this machine's media registry, or else
1024	// reloading the settings will fail
1025	mParent->i_unregisterMachineMedia(i_getId());
1026
1027	/* uninitialize the common part to make sure all data is reset to
1028	* default (null) values */
1029	uninitDataAndChildObjects();
1030
1031	hrc = S_OK;
1032	}
1033
1034	return hrc;
1035	}
1036
1037	/**
1038	* Uninitializes the instance.
1039	* Called either from FinalRelease() or by the parent when it gets destroyed.
1040	*
1041	* @note The caller of this method must make sure that this object
1042	* a) doesn't have active callers on the current thread and b) is not locked
1043	* by the current thread; otherwise uninit() will hang either a) due to
1044	* AutoUninitSpan waiting for a number of calls to drop to zero or b) due to
1045	* a dead-lock caused by this thread waiting for all callers on the other
1046	* threads are done but preventing them from doing so by holding a lock.
1047	*/
1048	void Machine::uninit()
1049	{
1050	LogFlowThisFuncEnter();
1051
1052	Assert(!isWriteLockOnCurrentThread());
1053
1054	Assert(!uRegistryNeedsSaving);
1055	if (uRegistryNeedsSaving)
1056	{
1057	AutoCaller autoCaller(this);
1058	if (SUCCEEDED(autoCaller.hrc()))
1059	{
1060	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1061	i_saveSettings(NULL, alock, Machine::SaveS_Force);
1062	}
1063	}
1064
1065	/* Enclose the state transition Ready->InUninit->NotReady */
1066	AutoUninitSpan autoUninitSpan(this);
1067	if (autoUninitSpan.uninitDone())
1068	return;
1069
1070	Assert(!i_isSnapshotMachine());
1071	Assert(!i_isSessionMachine());
1072	Assert(!!mData);
1073
1074	LogFlowThisFunc(("initFailed()=%d\n", autoUninitSpan.initFailed()));
1075	LogFlowThisFunc(("mRegistered=%d\n", mData->mRegistered));
1076
1077	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1078
1079	if (!mData->mSession.mMachine.isNull())
1080	{
1081	/* Theoretically, this can only happen if the VirtualBox server has been
1082	* terminated while there were clients running that owned open direct
1083	* sessions. Since in this case we are definitely called by
1084	* VirtualBox::uninit(), we may be sure that SessionMachine::uninit()
1085	* won't happen on the client watcher thread (because it has a
1086	* VirtualBox caller for the duration of the
1087	* SessionMachine::i_checkForDeath() call, so that VirtualBox::uninit()
1088	* cannot happen until the VirtualBox caller is released). This is
1089	* important, because SessionMachine::uninit() cannot correctly operate
1090	* after we return from this method (it expects the Machine instance is
1091	* still valid). We'll call it ourselves below.
1092	*/
1093	Log1WarningThisFunc(("Session machine is not NULL (%p), the direct session is still open!\n",
1094	(SessionMachine*)mData->mSession.mMachine));
1095
1096	if (Global::IsOnlineOrTransient(mData->mMachineState))
1097	{
1098	Log1WarningThisFunc(("Setting state to Aborted!\n"));
1099	/* set machine state using SessionMachine reimplementation */
1100	static_cast<Machine*>(mData->mSession.mMachine)->i_setMachineState(MachineState_Aborted);
1101	}
1102
1103	/*
1104	* Uninitialize SessionMachine using public uninit() to indicate
1105	* an unexpected uninitialization.
1106	*/
1107	mData->mSession.mMachine->uninit();
1108	/* SessionMachine::uninit() must set mSession.mMachine to null */
1109	Assert(mData->mSession.mMachine.isNull());
1110	}
1111
1112	// uninit media from this machine's media registry, if they're still there
1113	Guid uuidMachine(i_getId());
1114
1115	/* the lock is no more necessary (SessionMachine is uninitialized) */
1116	alock.release();
1117
1118	/* XXX This will fail with
1119	* "cannot be closed because it is still attached to 1 virtual machines"
1120	* because at this point we did not call uninitDataAndChildObjects() yet
1121	* and therefore also removeBackReference() for all these media was not called! */
1122
1123	if (uuidMachine.isValid() && !uuidMachine.isZero()) // can be empty if we're called from a failure of Machine::init
1124	mParent->i_unregisterMachineMedia(uuidMachine);
1125
1126	// has machine been modified?
1127	if (mData->flModifications)
1128	{
1129	Log1WarningThisFunc(("Discarding unsaved settings changes!\n"));
1130	i_rollback(false /* aNotify */);
1131	}
1132
1133	if (mData->mAccessible)
1134	uninitDataAndChildObjects();
1135
1136	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
1137	if (mData->mpKeyStore != NULL)
1138	delete mData->mpKeyStore;
1139	#endif
1140
1141	/* free the essential data structure last */
1142	mData.free();
1143
1144	LogFlowThisFuncLeave();
1145	}
1146
1147	// Wrapped IMachine properties
1148	/////////////////////////////////////////////////////////////////////////////
1149	HRESULT Machine::getParent(ComPtr<IVirtualBox> &aParent)
1150	{
1151	/* mParent is constant during life time, no need to lock */
1152	ComObjPtr<VirtualBox> pVirtualBox(mParent);
1153	aParent = pVirtualBox;
1154
1155	return S_OK;
1156	}
1157
1158	HRESULT Machine::getPlatform(ComPtr<IPlatform> &aPlatform)
1159	{
1160	/* mPlatform is constant during life time, no need to lock */
1161	ComObjPtr<Platform> pPlatform(mPlatform);
1162	aPlatform = pPlatform;
1163
1164	return S_OK;
1165	}
1166
1167	HRESULT Machine::getAccessible(BOOL *aAccessible)
1168	{
1169	/* In some cases (medium registry related), it is necessary to be able to
1170	* go through the list of all machines. Happens when an inaccessible VM
1171	* has a sensible medium registry. */
1172	AutoReadLock mllock(mParent->i_getMachinesListLockHandle() COMMA_LOCKVAL_SRC_POS);
1173	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1174
1175	HRESULT hrc = S_OK;
1176
1177	if (!mData->mAccessible)
1178	{
1179	/* try to initialize the VM once more if not accessible */
1180
1181	AutoReinitSpan autoReinitSpan(this);
1182	AssertReturn(autoReinitSpan.isOk(), E_FAIL);
1183
1184	#ifdef DEBUG
1185	LogFlowThisFunc(("Dumping media backreferences\n"));
1186	mParent->i_dumpAllBackRefs();
1187	#endif
1188
1189	if (mData->pMachineConfigFile)
1190	{
1191	// reset the XML file to force loadSettings() (called from i_registeredInit())
1192	// to parse it again; the file might have changed
1193	delete mData->pMachineConfigFile;
1194	mData->pMachineConfigFile = NULL;
1195	}
1196
1197	hrc = i_registeredInit();
1198
1199	if (SUCCEEDED(hrc) && mData->mAccessible)
1200	{
1201	autoReinitSpan.setSucceeded();
1202
1203	/* make sure interesting parties will notice the accessibility
1204	* state change */
1205	mParent->i_onMachineStateChanged(mData->mUuid, mData->mMachineState);
1206	mParent->i_onMachineDataChanged(mData->mUuid);
1207	}
1208	}
1209
1210	if (SUCCEEDED(hrc))
1211	*aAccessible = mData->mAccessible;
1212
1213	LogFlowThisFuncLeave();
1214
1215	return hrc;
1216	}
1217
1218	HRESULT Machine::getAccessError(ComPtr<IVirtualBoxErrorInfo> &aAccessError)
1219	{
1220	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1221
1222	if (mData->mAccessible \|\| !mData->mAccessError.isBasicAvailable())
1223	{
1224	/* return shortly */
1225	aAccessError = NULL;
1226	return S_OK;
1227	}
1228
1229	HRESULT hrc = S_OK;
1230
1231	ComObjPtr<VirtualBoxErrorInfo> errorInfo;
1232	hrc = errorInfo.createObject();
1233	if (SUCCEEDED(hrc))
1234	{
1235	errorInfo->init(mData->mAccessError.getResultCode(),
1236	mData->mAccessError.getInterfaceID().ref(),
1237	Utf8Str(mData->mAccessError.getComponent()).c_str(),
1238	Utf8Str(mData->mAccessError.getText()));
1239	aAccessError = errorInfo;
1240	}
1241
1242	return hrc;
1243	}
1244
1245	HRESULT Machine::getName(com::Utf8Str &aName)
1246	{
1247	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1248
1249	aName = mUserData->s.strName;
1250
1251	return S_OK;
1252	}
1253
1254	HRESULT Machine::setName(const com::Utf8Str &aName)
1255	{
1256	// prohibit setting a UUID only as the machine name, or else it can
1257	// never be found by findMachine()
1258	Guid test(aName);
1259
1260	if (test.isValid())
1261	return setError(E_INVALIDARG, tr("A machine cannot have a UUID as its name"));
1262
1263	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1264
1265	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
1266	if (FAILED(hrc)) return hrc;
1267
1268	i_setModified(IsModified_MachineData);
1269	mUserData.backup();
1270	mUserData->s.strName = aName;
1271
1272	return S_OK;
1273	}
1274
1275	HRESULT Machine::getDescription(com::Utf8Str &aDescription)
1276	{
1277	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1278
1279	aDescription = mUserData->s.strDescription;
1280
1281	return S_OK;
1282	}
1283
1284	HRESULT Machine::setDescription(const com::Utf8Str &aDescription)
1285	{
1286	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1287
1288	// this can be done in principle in any state as it doesn't affect the VM
1289	// significantly, but play safe by not messing around while complex
1290	// activities are going on
1291	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
1292	if (FAILED(hrc)) return hrc;
1293
1294	i_setModified(IsModified_MachineData);
1295	mUserData.backup();
1296	mUserData->s.strDescription = aDescription;
1297
1298	return S_OK;
1299	}
1300
1301	HRESULT Machine::getId(com::Guid &aId)
1302	{
1303	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1304
1305	aId = mData->mUuid;
1306
1307	return S_OK;
1308	}
1309
1310	HRESULT Machine::getGroups(std::vector<com::Utf8Str> &aGroups)
1311	{
1312	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1313	aGroups.resize(mUserData->s.llGroups.size());
1314	size_t i = 0;
1315	for (StringsList::const_iterator
1316	it = mUserData->s.llGroups.begin();
1317	it != mUserData->s.llGroups.end();
1318	++it, ++i)
1319	aGroups[i] = (*it);
1320
1321	return S_OK;
1322	}
1323
1324	HRESULT Machine::setGroups(const std::vector<com::Utf8Str> &aGroups)
1325	{
1326	StringsList llGroups;
1327	HRESULT hrc = mParent->i_convertMachineGroups(aGroups, &llGroups);
1328	if (FAILED(hrc))
1329	return hrc;
1330
1331	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1332
1333	hrc = i_checkStateDependency(MutableOrSavedStateDep);
1334	if (FAILED(hrc)) return hrc;
1335
1336	i_setModified(IsModified_MachineData);
1337	mUserData.backup();
1338	mUserData->s.llGroups = llGroups;
1339
1340	mParent->i_onMachineGroupsChanged(mData->mUuid);
1341	return S_OK;
1342	}
1343
1344	HRESULT Machine::getOSTypeId(com::Utf8Str &aOSTypeId)
1345	{
1346	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1347
1348	aOSTypeId = mUserData->s.strOsType;
1349
1350	return S_OK;
1351	}
1352
1353	HRESULT Machine::setOSTypeId(const com::Utf8Str &aOSTypeId)
1354	{
1355	/* look up the object by Id to check it is valid */
1356	ComObjPtr<GuestOSType> pGuestOSType;
1357	mParent->i_findGuestOSType(aOSTypeId, pGuestOSType);
1358
1359	/* when setting, always use the "etalon" value for consistency -- lookup
1360	* by ID is case-insensitive and the input value may have different case */
1361	Utf8Str osTypeId = !pGuestOSType.isNull() ? pGuestOSType->i_id() : aOSTypeId;
1362
1363	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1364
1365	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1366	if (FAILED(hrc)) return hrc;
1367
1368	i_setModified(IsModified_MachineData);
1369	mUserData.backup();
1370	mUserData->s.strOsType = osTypeId;
1371
1372	return S_OK;
1373	}
1374
1375	HRESULT Machine::getKeyboardHIDType(KeyboardHIDType_T *aKeyboardHIDType)
1376	{
1377	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1378
1379	*aKeyboardHIDType = mHWData->mKeyboardHIDType;
1380
1381	return S_OK;
1382	}
1383
1384	HRESULT Machine::setKeyboardHIDType(KeyboardHIDType_T aKeyboardHIDType)
1385	{
1386	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1387
1388	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1389	if (FAILED(hrc)) return hrc;
1390
1391	i_setModified(IsModified_MachineData);
1392	mHWData.backup();
1393	mHWData->mKeyboardHIDType = aKeyboardHIDType;
1394
1395	return S_OK;
1396	}
1397
1398	HRESULT Machine::getPointingHIDType(PointingHIDType_T *aPointingHIDType)
1399	{
1400	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1401
1402	*aPointingHIDType = mHWData->mPointingHIDType;
1403
1404	return S_OK;
1405	}
1406
1407	HRESULT Machine::setPointingHIDType(PointingHIDType_T aPointingHIDType)
1408	{
1409	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1410
1411	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1412	if (FAILED(hrc)) return hrc;
1413
1414	i_setModified(IsModified_MachineData);
1415	mHWData.backup();
1416	mHWData->mPointingHIDType = aPointingHIDType;
1417
1418	return S_OK;
1419	}
1420
1421	HRESULT Machine::getParavirtDebug(com::Utf8Str &aParavirtDebug)
1422	{
1423	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1424
1425	aParavirtDebug = mHWData->mParavirtDebug;
1426	return S_OK;
1427	}
1428
1429	HRESULT Machine::setParavirtDebug(const com::Utf8Str &aParavirtDebug)
1430	{
1431	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1432
1433	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1434	if (FAILED(hrc)) return hrc;
1435
1436	/** @todo Parse/validate options? */
1437	if (aParavirtDebug != mHWData->mParavirtDebug)
1438	{
1439	i_setModified(IsModified_MachineData);
1440	mHWData.backup();
1441	mHWData->mParavirtDebug = aParavirtDebug;
1442	}
1443
1444	return S_OK;
1445	}
1446
1447	HRESULT Machine::getParavirtProvider(ParavirtProvider_T *aParavirtProvider)
1448	{
1449	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1450
1451	*aParavirtProvider = mHWData->mParavirtProvider;
1452
1453	return S_OK;
1454	}
1455
1456	HRESULT Machine::setParavirtProvider(ParavirtProvider_T aParavirtProvider)
1457	{
1458	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1459
1460	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1461	if (FAILED(hrc)) return hrc;
1462
1463	if (aParavirtProvider != mHWData->mParavirtProvider)
1464	{
1465	i_setModified(IsModified_MachineData);
1466	mHWData.backup();
1467	mHWData->mParavirtProvider = aParavirtProvider;
1468	}
1469
1470	return S_OK;
1471	}
1472
1473	HRESULT Machine::getEffectiveParavirtProvider(ParavirtProvider_T *aParavirtProvider)
1474	{
1475	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1476
1477	*aParavirtProvider = mHWData->mParavirtProvider;
1478	switch (mHWData->mParavirtProvider)
1479	{
1480	case ParavirtProvider_None:
1481	case ParavirtProvider_HyperV:
1482	case ParavirtProvider_KVM:
1483	case ParavirtProvider_Minimal:
1484	break;
1485
1486	/* Resolve dynamic provider types to the effective types. */
1487	default:
1488	{
1489	ComObjPtr<GuestOSType> pGuestOSType;
1490	HRESULT hrc2 = mParent->i_findGuestOSType(mUserData->s.strOsType,
1491	pGuestOSType);
1492	if (FAILED(hrc2) \|\| pGuestOSType.isNull())
1493	{
1494	*aParavirtProvider = ParavirtProvider_None;
1495	break;
1496	}
1497
1498	Utf8Str guestTypeFamilyId = pGuestOSType->i_familyId();
1499	bool fOsXGuest = guestTypeFamilyId == "MacOS";
1500
1501	switch (mHWData->mParavirtProvider)
1502	{
1503	case ParavirtProvider_Legacy:
1504	{
1505	if (fOsXGuest)
1506	*aParavirtProvider = ParavirtProvider_Minimal;
1507	else
1508	*aParavirtProvider = ParavirtProvider_None;
1509	break;
1510	}
1511
1512	case ParavirtProvider_Default:
1513	{
1514	Assert(strlen(GUEST_OS_ID_STR_X64("")) > 0);
1515	if (fOsXGuest)
1516	*aParavirtProvider = ParavirtProvider_Minimal;
1517	else if ( mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows11")
1518	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("Windows10")
1519	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows10")
1520	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("Windows81")
1521	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows81")
1522	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("Windows8")
1523	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows8")
1524	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("Windows7")
1525	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows7")
1526	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("WindowsVista")
1527	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("WindowsVista")
1528	\|\| ( ( mUserData->s.strOsType.startsWith("Windows202")
1529	\|\| mUserData->s.strOsType.startsWith("Windows201"))
1530	&& mUserData->s.strOsType.endsWith(GUEST_OS_ID_STR_X64("")))
1531	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("Windows2012")
1532	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows2012")
1533	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X86("Windows2008")
1534	\|\| mUserData->s.strOsType == GUEST_OS_ID_STR_X64("Windows2008"))
1535	*aParavirtProvider = ParavirtProvider_HyperV;
1536	else if ( guestTypeFamilyId == "Linux"
1537	&& mUserData->s.strOsType != GUEST_OS_ID_STR_X86("Linux22") // Linux22 and Linux24{_64} excluded as they're too old
1538	&& mUserData->s.strOsType != GUEST_OS_ID_STR_X86("Linux24") // to have any KVM paravirtualization support.
1539	&& mUserData->s.strOsType != GUEST_OS_ID_STR_X64("Linux24"))
1540	*aParavirtProvider = ParavirtProvider_KVM;
1541	else
1542	*aParavirtProvider = ParavirtProvider_None;
1543	break;
1544	}
1545
1546	default: AssertFailedBreak(); /* Shut up MSC. */
1547	}
1548	break;
1549	}
1550	}
1551
1552	Assert( *aParavirtProvider == ParavirtProvider_None
1553	\|\| *aParavirtProvider == ParavirtProvider_Minimal
1554	\|\| *aParavirtProvider == ParavirtProvider_HyperV
1555	\|\| *aParavirtProvider == ParavirtProvider_KVM);
1556	return S_OK;
1557	}
1558
1559	HRESULT Machine::getHardwareVersion(com::Utf8Str &aHardwareVersion)
1560	{
1561	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1562
1563	aHardwareVersion = mHWData->mHWVersion;
1564
1565	return S_OK;
1566	}
1567
1568	HRESULT Machine::setHardwareVersion(const com::Utf8Str &aHardwareVersion)
1569	{
1570	/* check known version */
1571	Utf8Str hwVersion = aHardwareVersion;
1572	if ( hwVersion.compare("1") != 0
1573	&& hwVersion.compare("2") != 0) // VBox 2.1.x and later (VMMDev heap)
1574	return setError(E_INVALIDARG,
1575	tr("Invalid hardware version: %s\n"), aHardwareVersion.c_str());
1576
1577	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1578
1579	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1580	if (FAILED(hrc)) return hrc;
1581
1582	i_setModified(IsModified_MachineData);
1583	mHWData.backup();
1584	mHWData->mHWVersion = aHardwareVersion;
1585
1586	return S_OK;
1587	}
1588
1589	HRESULT Machine::getHardwareUUID(com::Guid &aHardwareUUID)
1590	{
1591	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1592
1593	if (!mHWData->mHardwareUUID.isZero())
1594	aHardwareUUID = mHWData->mHardwareUUID;
1595	else
1596	aHardwareUUID = mData->mUuid;
1597
1598	return S_OK;
1599	}
1600
1601	HRESULT Machine::setHardwareUUID(const com::Guid &aHardwareUUID)
1602	{
1603	if (!aHardwareUUID.isValid())
1604	return E_INVALIDARG;
1605
1606	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1607
1608	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1609	if (FAILED(hrc)) return hrc;
1610
1611	i_setModified(IsModified_MachineData);
1612	mHWData.backup();
1613	if (aHardwareUUID == mData->mUuid)
1614	mHWData->mHardwareUUID.clear();
1615	else
1616	mHWData->mHardwareUUID = aHardwareUUID;
1617
1618	return S_OK;
1619	}
1620
1621	HRESULT Machine::getMemorySize(ULONG *aMemorySize)
1622	{
1623	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1624
1625	*aMemorySize = mHWData->mMemorySize;
1626
1627	return S_OK;
1628	}
1629
1630	HRESULT Machine::setMemorySize(ULONG aMemorySize)
1631	{
1632	/* check RAM limits */
1633	if ( aMemorySize < MM_RAM_MIN_IN_MB
1634	\|\| aMemorySize > MM_RAM_MAX_IN_MB
1635	)
1636	return setError(E_INVALIDARG,
1637	tr("Invalid RAM size: %lu MB (must be in range [%lu, %lu] MB)"),
1638	aMemorySize, MM_RAM_MIN_IN_MB, MM_RAM_MAX_IN_MB);
1639
1640	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1641
1642	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1643	if (FAILED(hrc)) return hrc;
1644
1645	i_setModified(IsModified_MachineData);
1646	mHWData.backup();
1647	mHWData->mMemorySize = aMemorySize;
1648
1649	return S_OK;
1650	}
1651
1652	HRESULT Machine::getCPUCount(ULONG *aCPUCount)
1653	{
1654	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1655
1656	*aCPUCount = mHWData->mCPUCount;
1657
1658	return S_OK;
1659	}
1660
1661	HRESULT Machine::setCPUCount(ULONG aCPUCount)
1662	{
1663	/* check CPU limits */
1664	if ( aCPUCount < SchemaDefs::MinCPUCount
1665	\|\| aCPUCount > SchemaDefs::MaxCPUCount
1666	)
1667	return setError(E_INVALIDARG,
1668	tr("Invalid virtual CPU count: %lu (must be in range [%lu, %lu])"),
1669	aCPUCount, SchemaDefs::MinCPUCount, SchemaDefs::MaxCPUCount);
1670
1671	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1672
1673	/* We cant go below the current number of CPUs attached if hotplug is enabled*/
1674	if (mHWData->mCPUHotPlugEnabled)
1675	{
1676	for (unsigned idx = aCPUCount; idx < SchemaDefs::MaxCPUCount; idx++)
1677	{
1678	if (mHWData->mCPUAttached[idx])
1679	return setError(E_INVALIDARG,
1680	tr("There is still a CPU attached to socket %lu."
1681	"Detach the CPU before removing the socket"),
1682	aCPUCount, idx+1);
1683	}
1684	}
1685
1686	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1687	if (FAILED(hrc)) return hrc;
1688
1689	i_setModified(IsModified_MachineData);
1690	mHWData.backup();
1691	mHWData->mCPUCount = aCPUCount;
1692
1693	return S_OK;
1694	}
1695
1696	HRESULT Machine::getCPUExecutionCap(ULONG *aCPUExecutionCap)
1697	{
1698	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1699
1700	*aCPUExecutionCap = mHWData->mCpuExecutionCap;
1701
1702	return S_OK;
1703	}
1704
1705	HRESULT Machine::setCPUExecutionCap(ULONG aCPUExecutionCap)
1706	{
1707	/* check throttle limits */
1708	if ( aCPUExecutionCap < 1
1709	\|\| aCPUExecutionCap > 100
1710	)
1711	return setError(E_INVALIDARG,
1712	tr("Invalid CPU execution cap value: %lu (must be in range [%lu, %lu])"),
1713	aCPUExecutionCap, 1, 100);
1714
1715	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1716
1717	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
1718	if (FAILED(hrc)) return hrc;
1719
1720	alock.release();
1721	hrc = i_onCPUExecutionCapChange(aCPUExecutionCap);
1722	alock.acquire();
1723	if (FAILED(hrc)) return hrc;
1724
1725	i_setModified(IsModified_MachineData);
1726	mHWData.backup();
1727	mHWData->mCpuExecutionCap = aCPUExecutionCap;
1728
1729	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
1730	if (Global::IsOnline(mData->mMachineState))
1731	i_saveSettings(NULL, alock);
1732
1733	return S_OK;
1734	}
1735
1736	HRESULT Machine::getCPUHotPlugEnabled(BOOL *aCPUHotPlugEnabled)
1737	{
1738	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1739
1740	*aCPUHotPlugEnabled = mHWData->mCPUHotPlugEnabled;
1741
1742	return S_OK;
1743	}
1744
1745	HRESULT Machine::setCPUHotPlugEnabled(BOOL aCPUHotPlugEnabled)
1746	{
1747	HRESULT hrc = S_OK;
1748
1749	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1750
1751	hrc = i_checkStateDependency(MutableStateDep);
1752	if (FAILED(hrc)) return hrc;
1753
1754	if (mHWData->mCPUHotPlugEnabled != aCPUHotPlugEnabled)
1755	{
1756	if (aCPUHotPlugEnabled)
1757	{
1758	i_setModified(IsModified_MachineData);
1759	mHWData.backup();
1760
1761	/* Add the amount of CPUs currently attached */
1762	for (unsigned i = 0; i < mHWData->mCPUCount; ++i)
1763	mHWData->mCPUAttached[i] = true;
1764	}
1765	else
1766	{
1767	/*
1768	* We can disable hotplug only if the amount of maximum CPUs is equal
1769	* to the amount of attached CPUs
1770	*/
1771	unsigned cCpusAttached = 0;
1772	unsigned iHighestId = 0;
1773
1774	for (unsigned i = 0; i < SchemaDefs::MaxCPUCount; ++i)
1775	{
1776	if (mHWData->mCPUAttached[i])
1777	{
1778	cCpusAttached++;
1779	iHighestId = i;
1780	}
1781	}
1782
1783	if ( (cCpusAttached != mHWData->mCPUCount)
1784	\|\| (iHighestId >= mHWData->mCPUCount))
1785	return setError(E_INVALIDARG,
1786	tr("CPU hotplugging can't be disabled because the maximum number of CPUs is not equal to the amount of CPUs attached"));
1787
1788	i_setModified(IsModified_MachineData);
1789	mHWData.backup();
1790	}
1791	}
1792
1793	mHWData->mCPUHotPlugEnabled = aCPUHotPlugEnabled;
1794
1795	return hrc;
1796	}
1797
1798	HRESULT Machine::getCPUIDPortabilityLevel(ULONG *aCPUIDPortabilityLevel)
1799	{
1800	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1801
1802	*aCPUIDPortabilityLevel = mHWData->mCpuIdPortabilityLevel;
1803
1804	return S_OK;
1805	}
1806
1807	HRESULT Machine::setCPUIDPortabilityLevel(ULONG aCPUIDPortabilityLevel)
1808	{
1809	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1810
1811	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1812	if (SUCCEEDED(hrc))
1813	{
1814	i_setModified(IsModified_MachineData);
1815	mHWData.backup();
1816	mHWData->mCpuIdPortabilityLevel = aCPUIDPortabilityLevel;
1817	}
1818	return hrc;
1819	}
1820
1821	HRESULT Machine::getCPUProfile(com::Utf8Str &aCPUProfile)
1822	{
1823	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1824	aCPUProfile = mHWData->mCpuProfile;
1825	return S_OK;
1826	}
1827
1828	HRESULT Machine::setCPUProfile(const com::Utf8Str &aCPUProfile)
1829	{
1830	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1831	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1832	if (SUCCEEDED(hrc))
1833	{
1834	i_setModified(IsModified_MachineData);
1835	mHWData.backup();
1836	/* Empty equals 'host'. */
1837	if (aCPUProfile.isNotEmpty())
1838	mHWData->mCpuProfile = aCPUProfile;
1839	else
1840	mHWData->mCpuProfile = "host";
1841	}
1842	return hrc;
1843	}
1844
1845	HRESULT Machine::getEmulatedUSBCardReaderEnabled(BOOL *aEmulatedUSBCardReaderEnabled)
1846	{
1847	#ifdef VBOX_WITH_USB_CARDREADER
1848	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1849
1850	*aEmulatedUSBCardReaderEnabled = mHWData->mEmulatedUSBCardReaderEnabled;
1851
1852	return S_OK;
1853	#else
1854	NOREF(aEmulatedUSBCardReaderEnabled);
1855	return E_NOTIMPL;
1856	#endif
1857	}
1858
1859	HRESULT Machine::setEmulatedUSBCardReaderEnabled(BOOL aEmulatedUSBCardReaderEnabled)
1860	{
1861	#ifdef VBOX_WITH_USB_CARDREADER
1862	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1863
1864	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
1865	if (FAILED(hrc)) return hrc;
1866
1867	i_setModified(IsModified_MachineData);
1868	mHWData.backup();
1869	mHWData->mEmulatedUSBCardReaderEnabled = aEmulatedUSBCardReaderEnabled;
1870
1871	return S_OK;
1872	#else
1873	NOREF(aEmulatedUSBCardReaderEnabled);
1874	return E_NOTIMPL;
1875	#endif
1876	}
1877
1878	/** @todo this method should not be public */
1879	HRESULT Machine::getMemoryBalloonSize(ULONG *aMemoryBalloonSize)
1880	{
1881	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1882
1883	*aMemoryBalloonSize = mHWData->mMemoryBalloonSize;
1884
1885	return S_OK;
1886	}
1887
1888	/**
1889	* Set the memory balloon size.
1890	*
1891	* This method is also called from IGuest::COMSETTER(MemoryBalloonSize) so
1892	* we have to make sure that we never call IGuest from here.
1893	*/
1894	HRESULT Machine::setMemoryBalloonSize(ULONG aMemoryBalloonSize)
1895	{
1896	/* This must match GMMR0Init; currently we only support memory ballooning on all 64-bit hosts except Mac OS X */
1897	#if HC_ARCH_BITS == 64 && (defined(RT_OS_WINDOWS) \|\| defined(RT_OS_SOLARIS) \|\| defined(RT_OS_LINUX) \|\| defined(RT_OS_FREEBSD))
1898	/* check limits */
1899	if (aMemoryBalloonSize >= VMMDEV_MAX_MEMORY_BALLOON(mHWData->mMemorySize))
1900	return setError(E_INVALIDARG,
1901	tr("Invalid memory balloon size: %lu MB (must be in range [%lu, %lu] MB)"),
1902	aMemoryBalloonSize, 0, VMMDEV_MAX_MEMORY_BALLOON(mHWData->mMemorySize));
1903
1904	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1905
1906	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
1907	if (FAILED(hrc)) return hrc;
1908
1909	i_setModified(IsModified_MachineData);
1910	mHWData.backup();
1911	mHWData->mMemoryBalloonSize = aMemoryBalloonSize;
1912
1913	return S_OK;
1914	#else
1915	NOREF(aMemoryBalloonSize);
1916	return setError(E_NOTIMPL, tr("Memory ballooning is only supported on 64-bit hosts"));
1917	#endif
1918	}
1919
1920	HRESULT Machine::getPageFusionEnabled(BOOL *aPageFusionEnabled)
1921	{
1922	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1923
1924	*aPageFusionEnabled = mHWData->mPageFusionEnabled;
1925	return S_OK;
1926	}
1927
1928	HRESULT Machine::setPageFusionEnabled(BOOL aPageFusionEnabled)
1929	{
1930	#ifdef VBOX_WITH_PAGE_SHARING
1931	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1932
1933	HRESULT hrc = i_checkStateDependency(MutableStateDep);
1934	if (FAILED(hrc)) return hrc;
1935
1936	/** @todo must support changes for running vms and keep this in sync with IGuest. */
1937	i_setModified(IsModified_MachineData);
1938	mHWData.backup();
1939	mHWData->mPageFusionEnabled = aPageFusionEnabled;
1940	return S_OK;
1941	#else
1942	NOREF(aPageFusionEnabled);
1943	return setError(E_NOTIMPL, tr("Page fusion is only supported on 64-bit hosts"));
1944	#endif
1945	}
1946
1947	HRESULT Machine::getFirmwareSettings(ComPtr<IFirmwareSettings> &aFirmwareSettings)
1948	{
1949	/* mFirmwareSettings is constant during life time, no need to lock */
1950	aFirmwareSettings = mFirmwareSettings;
1951
1952	return S_OK;
1953	}
1954
1955	HRESULT Machine::getTrustedPlatformModule(ComPtr<ITrustedPlatformModule> &aTrustedPlatformModule)
1956	{
1957	/* mTrustedPlatformModule is constant during life time, no need to lock */
1958	aTrustedPlatformModule = mTrustedPlatformModule;
1959
1960	return S_OK;
1961	}
1962
1963	HRESULT Machine::getNonVolatileStore(ComPtr<INvramStore> &aNvramStore)
1964	{
1965	/* mNvramStore is constant during life time, no need to lock */
1966	aNvramStore = mNvramStore;
1967
1968	return S_OK;
1969	}
1970
1971	HRESULT Machine::getRecordingSettings(ComPtr<IRecordingSettings> &aRecordingSettings)
1972	{
1973	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1974
1975	aRecordingSettings = mRecordingSettings;
1976
1977	return S_OK;
1978	}
1979
1980	HRESULT Machine::getGraphicsAdapter(ComPtr<IGraphicsAdapter> &aGraphicsAdapter)
1981	{
1982	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1983
1984	aGraphicsAdapter = mGraphicsAdapter;
1985
1986	return S_OK;
1987	}
1988
1989	HRESULT Machine::getSnapshotFolder(com::Utf8Str &aSnapshotFolder)
1990	{
1991	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1992
1993	i_calculateFullPath(mUserData->s.strSnapshotFolder, aSnapshotFolder);
1994
1995	return S_OK;
1996	}
1997
1998	HRESULT Machine::setSnapshotFolder(const com::Utf8Str &aSnapshotFolder)
1999	{
2000	/** @todo (r=dmik):
2001	* 1. Allow to change the name of the snapshot folder containing snapshots
2002	* 2. Rename the folder on disk instead of just changing the property
2003	* value (to be smart and not to leave garbage). Note that it cannot be
2004	* done here because the change may be rolled back. Thus, the right
2005	* place is #saveSettings().
2006	*/
2007
2008	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2009
2010	HRESULT hrc = i_checkStateDependency(MutableStateDep);
2011	if (FAILED(hrc)) return hrc;
2012
2013	if (!mData->mCurrentSnapshot.isNull())
2014	return setError(E_FAIL,
2015	tr("The snapshot folder of a machine with snapshots cannot be changed (please delete all snapshots first)"));
2016
2017	Utf8Str strSnapshotFolder(aSnapshotFolder); // keep original
2018
2019	if (strSnapshotFolder.isEmpty())
2020	strSnapshotFolder = "Snapshots";
2021	int vrc = i_calculateFullPath(strSnapshotFolder, strSnapshotFolder);
2022	if (RT_FAILURE(vrc))
2023	return setErrorBoth(E_FAIL, vrc,
2024	tr("Invalid snapshot folder '%s' (%Rrc)"),
2025	strSnapshotFolder.c_str(), vrc);
2026
2027	i_setModified(IsModified_MachineData);
2028	mUserData.backup();
2029
2030	i_copyPathRelativeToMachine(strSnapshotFolder, mUserData->s.strSnapshotFolder);
2031
2032	return S_OK;
2033	}
2034
2035	HRESULT Machine::getMediumAttachments(std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments)
2036	{
2037	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2038
2039	aMediumAttachments.resize(mMediumAttachments->size());
2040	size_t i = 0;
2041	for (MediumAttachmentList::const_iterator
2042	it = mMediumAttachments->begin();
2043	it != mMediumAttachments->end();
2044	++it, ++i)
2045	aMediumAttachments[i] = *it;
2046
2047	return S_OK;
2048	}
2049
2050	HRESULT Machine::getVRDEServer(ComPtr<IVRDEServer> &aVRDEServer)
2051	{
2052	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2053
2054	Assert(!!mVRDEServer);
2055
2056	aVRDEServer = mVRDEServer;
2057
2058	return S_OK;
2059	}
2060
2061	HRESULT Machine::getAudioSettings(ComPtr<IAudioSettings> &aAudioSettings)
2062	{
2063	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2064
2065	aAudioSettings = mAudioSettings;
2066
2067	return S_OK;
2068	}
2069
2070	HRESULT Machine::getUSBControllers(std::vector<ComPtr<IUSBController> > &aUSBControllers)
2071	{
2072	#ifdef VBOX_WITH_VUSB
2073	clearError();
2074	MultiResult hrcMult(S_OK);
2075
2076	# ifdef VBOX_WITH_USB
2077	hrcMult = mParent->i_host()->i_checkUSBProxyService();
2078	if (FAILED(hrcMult)) return hrcMult;
2079	# endif
2080
2081	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2082
2083	aUSBControllers.resize(mUSBControllers->size());
2084	size_t i = 0;
2085	for (USBControllerList::const_iterator
2086	it = mUSBControllers->begin();
2087	it != mUSBControllers->end();
2088	++it, ++i)
2089	aUSBControllers[i] = *it;
2090
2091	return S_OK;
2092	#else
2093	/* Note: The GUI depends on this method returning E_NOTIMPL with no
2094	* extended error info to indicate that USB is simply not available
2095	* (w/o treating it as a failure), for example, as in OSE */
2096	NOREF(aUSBControllers);
2097	ReturnComNotImplemented();
2098	#endif /* VBOX_WITH_VUSB */
2099	}
2100
2101	HRESULT Machine::getUSBDeviceFilters(ComPtr<IUSBDeviceFilters> &aUSBDeviceFilters)
2102	{
2103	#ifdef VBOX_WITH_VUSB
2104	clearError();
2105	MultiResult hrcMult(S_OK);
2106
2107	# ifdef VBOX_WITH_USB
2108	hrcMult = mParent->i_host()->i_checkUSBProxyService();
2109	if (FAILED(hrcMult)) return hrcMult;
2110	# endif
2111
2112	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2113
2114	aUSBDeviceFilters = mUSBDeviceFilters;
2115	return hrcMult;
2116	#else
2117	/* Note: The GUI depends on this method returning E_NOTIMPL with no
2118	* extended error info to indicate that USB is simply not available
2119	* (w/o treating it as a failure), for example, as in OSE */
2120	NOREF(aUSBDeviceFilters);
2121	ReturnComNotImplemented();
2122	#endif /* VBOX_WITH_VUSB */
2123	}
2124
2125	HRESULT Machine::getSettingsFilePath(com::Utf8Str &aSettingsFilePath)
2126	{
2127	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2128
2129	aSettingsFilePath = mData->m_strConfigFileFull;
2130
2131	return S_OK;
2132	}
2133
2134	HRESULT Machine::getSettingsAuxFilePath(com::Utf8Str &aSettingsFilePath)
2135	{
2136	RT_NOREF(aSettingsFilePath);
2137	ReturnComNotImplemented();
2138	}
2139
2140	HRESULT Machine::getSettingsModified(BOOL *aSettingsModified)
2141	{
2142	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2143
2144	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
2145	if (FAILED(hrc)) return hrc;
2146
2147	if (!mData->pMachineConfigFile->fileExists())
2148	// this is a new machine, and no config file exists yet:
2149	*aSettingsModified = TRUE;
2150	else
2151	*aSettingsModified = (mData->flModifications != 0);
2152
2153	return S_OK;
2154	}
2155
2156	HRESULT Machine::getSessionState(SessionState_T *aSessionState)
2157	{
2158	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2159
2160	*aSessionState = mData->mSession.mState;
2161
2162	return S_OK;
2163	}
2164
2165	HRESULT Machine::getSessionName(com::Utf8Str &aSessionName)
2166	{
2167	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2168
2169	aSessionName = mData->mSession.mName;
2170
2171	return S_OK;
2172	}
2173
2174	HRESULT Machine::getSessionPID(ULONG *aSessionPID)
2175	{
2176	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2177
2178	*aSessionPID = mData->mSession.mPID;
2179
2180	return S_OK;
2181	}
2182
2183	HRESULT Machine::getState(MachineState_T *aState)
2184	{
2185	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2186
2187	*aState = mData->mMachineState;
2188	Assert(mData->mMachineState != MachineState_Null);
2189
2190	return S_OK;
2191	}
2192
2193	HRESULT Machine::getLastStateChange(LONG64 *aLastStateChange)
2194	{
2195	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2196
2197	*aLastStateChange = RTTimeSpecGetMilli(&mData->mLastStateChange);
2198
2199	return S_OK;
2200	}
2201
2202	HRESULT Machine::getStateFilePath(com::Utf8Str &aStateFilePath)
2203	{
2204	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2205
2206	aStateFilePath = mSSData->strStateFilePath;
2207
2208	return S_OK;
2209	}
2210
2211	HRESULT Machine::getLogFolder(com::Utf8Str &aLogFolder)
2212	{
2213	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2214
2215	i_getLogFolder(aLogFolder);
2216
2217	return S_OK;
2218	}
2219
2220	HRESULT Machine::getCurrentSnapshot(ComPtr<ISnapshot> &aCurrentSnapshot)
2221	{
2222	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2223
2224	aCurrentSnapshot = mData->mCurrentSnapshot;
2225
2226	return S_OK;
2227	}
2228
2229	HRESULT Machine::getSnapshotCount(ULONG *aSnapshotCount)
2230	{
2231	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2232
2233	*aSnapshotCount = mData->mFirstSnapshot.isNull()
2234	? 0
2235	: mData->mFirstSnapshot->i_getAllChildrenCount() + 1;
2236
2237	return S_OK;
2238	}
2239
2240	HRESULT Machine::getCurrentStateModified(BOOL *aCurrentStateModified)
2241	{
2242	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2243
2244	/* Note: for machines with no snapshots, we always return FALSE
2245	* (mData->mCurrentStateModified will be TRUE in this case, for historical
2246	* reasons :) */
2247
2248	*aCurrentStateModified = mData->mFirstSnapshot.isNull()
2249	? FALSE
2250	: mData->mCurrentStateModified;
2251
2252	return S_OK;
2253	}
2254
2255	HRESULT Machine::getSharedFolders(std::vector<ComPtr<ISharedFolder> > &aSharedFolders)
2256	{
2257	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2258
2259	aSharedFolders.resize(mHWData->mSharedFolders.size());
2260	size_t i = 0;
2261	for (std::list<ComObjPtr<SharedFolder> >::const_iterator
2262	it = mHWData->mSharedFolders.begin();
2263	it != mHWData->mSharedFolders.end();
2264	++it, ++i)
2265	aSharedFolders[i] = *it;
2266
2267	return S_OK;
2268	}
2269
2270	HRESULT Machine::getClipboardMode(ClipboardMode_T *aClipboardMode)
2271	{
2272	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2273
2274	*aClipboardMode = mHWData->mClipboardMode;
2275
2276	return S_OK;
2277	}
2278
2279	HRESULT Machine::setClipboardMode(ClipboardMode_T aClipboardMode)
2280	{
2281	HRESULT hrc = S_OK;
2282
2283	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2284
2285	hrc = i_checkStateDependency(MutableOrRunningStateDep);
2286	if (FAILED(hrc)) return hrc;
2287
2288	alock.release();
2289	hrc = i_onClipboardModeChange(aClipboardMode);
2290	alock.acquire();
2291	if (FAILED(hrc)) return hrc;
2292
2293	i_setModified(IsModified_MachineData);
2294	mHWData.backup();
2295	mHWData->mClipboardMode = aClipboardMode;
2296
2297	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
2298	if (Global::IsOnline(mData->mMachineState))
2299	i_saveSettings(NULL, alock);
2300
2301	return S_OK;
2302	}
2303
2304	HRESULT Machine::getClipboardFileTransfersEnabled(BOOL *aEnabled)
2305	{
2306	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2307
2308	*aEnabled = mHWData->mClipboardFileTransfersEnabled;
2309
2310	return S_OK;
2311	}
2312
2313	HRESULT Machine::setClipboardFileTransfersEnabled(BOOL aEnabled)
2314	{
2315	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2316
2317	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
2318	if (FAILED(hrc)) return hrc;
2319
2320	alock.release();
2321	hrc = i_onClipboardFileTransferModeChange(aEnabled);
2322	alock.acquire();
2323	if (FAILED(hrc)) return hrc;
2324
2325	i_setModified(IsModified_MachineData);
2326	mHWData.backup();
2327	mHWData->mClipboardFileTransfersEnabled = aEnabled;
2328
2329	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
2330	if (Global::IsOnline(mData->mMachineState))
2331	i_saveSettings(NULL, alock);
2332
2333	return S_OK;
2334	}
2335
2336	HRESULT Machine::getDnDMode(DnDMode_T *aDnDMode)
2337	{
2338	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2339
2340	*aDnDMode = mHWData->mDnDMode;
2341
2342	return S_OK;
2343	}
2344
2345	HRESULT Machine::setDnDMode(DnDMode_T aDnDMode)
2346	{
2347	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2348
2349	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
2350	if (FAILED(hrc)) return hrc;
2351
2352	alock.release();
2353	hrc = i_onDnDModeChange(aDnDMode);
2354
2355	alock.acquire();
2356	if (FAILED(hrc)) return hrc;
2357
2358	i_setModified(IsModified_MachineData);
2359	mHWData.backup();
2360	mHWData->mDnDMode = aDnDMode;
2361
2362	/** Save settings if online - @todo why is this required? -- @bugref{6818} */
2363	if (Global::IsOnline(mData->mMachineState))
2364	i_saveSettings(NULL, alock);
2365
2366	return S_OK;
2367	}
2368
2369	HRESULT Machine::getStorageControllers(std::vector<ComPtr<IStorageController> > &aStorageControllers)
2370	{
2371	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2372
2373	aStorageControllers.resize(mStorageControllers->size());
2374	size_t i = 0;
2375	for (StorageControllerList::const_iterator
2376	it = mStorageControllers->begin();
2377	it != mStorageControllers->end();
2378	++it, ++i)
2379	aStorageControllers[i] = *it;
2380
2381	return S_OK;
2382	}
2383
2384	HRESULT Machine::getTeleporterEnabled(BOOL *aEnabled)
2385	{
2386	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2387
2388	*aEnabled = mUserData->s.fTeleporterEnabled;
2389
2390	return S_OK;
2391	}
2392
2393	HRESULT Machine::setTeleporterEnabled(BOOL aTeleporterEnabled)
2394	{
2395	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2396
2397	/* Only allow it to be set to true when PoweredOff or Aborted.
2398	(Clearing it is always permitted.) */
2399	if ( aTeleporterEnabled
2400	&& mData->mRegistered
2401	&& ( !i_isSessionMachine()
2402	\|\| ( mData->mMachineState != MachineState_PoweredOff
2403	&& mData->mMachineState != MachineState_Teleported
2404	&& mData->mMachineState != MachineState_Aborted
2405	)
2406	)
2407	)
2408	return setError(VBOX_E_INVALID_VM_STATE,
2409	tr("The machine is not powered off (state is %s)"),
2410	Global::stringifyMachineState(mData->mMachineState));
2411
2412	i_setModified(IsModified_MachineData);
2413	mUserData.backup();
2414	mUserData->s.fTeleporterEnabled = !! aTeleporterEnabled;
2415
2416	return S_OK;
2417	}
2418
2419	HRESULT Machine::getTeleporterPort(ULONG *aTeleporterPort)
2420	{
2421	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2422
2423	*aTeleporterPort = (ULONG)mUserData->s.uTeleporterPort;
2424
2425	return S_OK;
2426	}
2427
2428	HRESULT Machine::setTeleporterPort(ULONG aTeleporterPort)
2429	{
2430	if (aTeleporterPort >= _64K)
2431	return setError(E_INVALIDARG, tr("Invalid port number %d"), aTeleporterPort);
2432
2433	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2434
2435	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
2436	if (FAILED(hrc)) return hrc;
2437
2438	i_setModified(IsModified_MachineData);
2439	mUserData.backup();
2440	mUserData->s.uTeleporterPort = (uint32_t)aTeleporterPort;
2441
2442	return S_OK;
2443	}
2444
2445	HRESULT Machine::getTeleporterAddress(com::Utf8Str &aTeleporterAddress)
2446	{
2447	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2448
2449	aTeleporterAddress = mUserData->s.strTeleporterAddress;
2450
2451	return S_OK;
2452	}
2453
2454	HRESULT Machine::setTeleporterAddress(const com::Utf8Str &aTeleporterAddress)
2455	{
2456	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2457
2458	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
2459	if (FAILED(hrc)) return hrc;
2460
2461	i_setModified(IsModified_MachineData);
2462	mUserData.backup();
2463	mUserData->s.strTeleporterAddress = aTeleporterAddress;
2464
2465	return S_OK;
2466	}
2467
2468	HRESULT Machine::getTeleporterPassword(com::Utf8Str &aTeleporterPassword)
2469	{
2470	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2471	aTeleporterPassword = mUserData->s.strTeleporterPassword;
2472
2473	return S_OK;
2474	}
2475
2476	HRESULT Machine::setTeleporterPassword(const com::Utf8Str &aTeleporterPassword)
2477	{
2478	/*
2479	* Hash the password first.
2480	*/
2481	com::Utf8Str aT = aTeleporterPassword;
2482
2483	if (!aT.isEmpty())
2484	{
2485	if (VBoxIsPasswordHashed(&aT))
2486	return setError(E_INVALIDARG, tr("Cannot set an already hashed password, only plain text password please"));
2487	VBoxHashPassword(&aT);
2488	}
2489
2490	/*
2491	* Do the update.
2492	*/
2493	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2494	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
2495	if (SUCCEEDED(hrc))
2496	{
2497	i_setModified(IsModified_MachineData);
2498	mUserData.backup();
2499	mUserData->s.strTeleporterPassword = aT;
2500	}
2501
2502	return hrc;
2503	}
2504
2505	HRESULT Machine::getIOCacheEnabled(BOOL *aIOCacheEnabled)
2506	{
2507	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2508
2509	*aIOCacheEnabled = mHWData->mIOCacheEnabled;
2510
2511	return S_OK;
2512	}
2513
2514	HRESULT Machine::setIOCacheEnabled(BOOL aIOCacheEnabled)
2515	{
2516	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2517
2518	HRESULT hrc = i_checkStateDependency(MutableStateDep);
2519	if (FAILED(hrc)) return hrc;
2520
2521	i_setModified(IsModified_MachineData);
2522	mHWData.backup();
2523	mHWData->mIOCacheEnabled = aIOCacheEnabled;
2524
2525	return S_OK;
2526	}
2527
2528	HRESULT Machine::getIOCacheSize(ULONG *aIOCacheSize)
2529	{
2530	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2531
2532	*aIOCacheSize = mHWData->mIOCacheSize;
2533
2534	return S_OK;
2535	}
2536
2537	HRESULT Machine::setIOCacheSize(ULONG aIOCacheSize)
2538	{
2539	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2540
2541	HRESULT hrc = i_checkStateDependency(MutableStateDep);
2542	if (FAILED(hrc)) return hrc;
2543
2544	i_setModified(IsModified_MachineData);
2545	mHWData.backup();
2546	mHWData->mIOCacheSize = aIOCacheSize;
2547
2548	return S_OK;
2549	}
2550
2551	HRESULT Machine::getStateKeyId(com::Utf8Str &aKeyId)
2552	{
2553	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2554
2555	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
2556	aKeyId = mSSData->strStateKeyId;
2557	#else
2558	aKeyId = com::Utf8Str::Empty;
2559	#endif
2560
2561	return S_OK;
2562	}
2563
2564	HRESULT Machine::getStateKeyStore(com::Utf8Str &aKeyStore)
2565	{
2566	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2567
2568	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
2569	aKeyStore = mSSData->strStateKeyStore;
2570	#else
2571	aKeyStore = com::Utf8Str::Empty;
2572	#endif
2573
2574	return S_OK;
2575	}
2576
2577	HRESULT Machine::getLogKeyId(com::Utf8Str &aKeyId)
2578	{
2579	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2580
2581	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
2582	aKeyId = mData->mstrLogKeyId;
2583	#else
2584	aKeyId = com::Utf8Str::Empty;
2585	#endif
2586
2587	return S_OK;
2588	}
2589
2590	HRESULT Machine::getLogKeyStore(com::Utf8Str &aKeyStore)
2591	{
2592	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2593
2594	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
2595	aKeyStore = mData->mstrLogKeyStore;
2596	#else
2597	aKeyStore = com::Utf8Str::Empty;
2598	#endif
2599
2600	return S_OK;
2601	}
2602
2603	HRESULT Machine::getGuestDebugControl(ComPtr<IGuestDebugControl> &aGuestDebugControl)
2604	{
2605	mGuestDebugControl.queryInterfaceTo(aGuestDebugControl.asOutParam());
2606
2607	return S_OK;
2608	}
2609
2610
2611	/**
2612	* @note Locks objects!
2613	*/
2614	HRESULT Machine::lockMachine(const ComPtr<ISession> &aSession,
2615	LockType_T aLockType)
2616	{
2617	/* check the session state */
2618	SessionState_T state;
2619	HRESULT hrc = aSession->COMGETTER(State)(&state);
2620	if (FAILED(hrc)) return hrc;
2621
2622	if (state != SessionState_Unlocked)
2623	return setError(VBOX_E_INVALID_OBJECT_STATE,
2624	tr("The given session is busy"));
2625
2626	// get the client's IInternalSessionControl interface
2627	ComPtr<IInternalSessionControl> pSessionControl = aSession;
2628	ComAssertMsgRet(!!pSessionControl, (tr("No IInternalSessionControl interface")),
2629	E_INVALIDARG);
2630
2631	// session name (only used in some code paths)
2632	Utf8Str strSessionName;
2633
2634	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2635
2636	if (!mData->mRegistered)
2637	return setError(E_UNEXPECTED,
2638	tr("The machine '%s' is not registered"),
2639	mUserData->s.strName.c_str());
2640
2641	LogFlowThisFunc(("mSession.mState=%s\n", ::stringifySessionState(mData->mSession.mState)));
2642
2643	SessionState_T oldState = mData->mSession.mState;
2644	/* Hack: in case the session is closing and there is a progress object
2645	* which allows waiting for the session to be closed, take the opportunity
2646	* and do a limited wait (max. 1 second). This helps a lot when the system
2647	* is busy and thus session closing can take a little while. */
2648	if ( mData->mSession.mState == SessionState_Unlocking
2649	&& mData->mSession.mProgress)
2650	{
2651	alock.release();
2652	mData->mSession.mProgress->WaitForCompletion(1000);
2653	alock.acquire();
2654	LogFlowThisFunc(("after waiting: mSession.mState=%s\n", ::stringifySessionState(mData->mSession.mState)));
2655	}
2656
2657	// try again now
2658	if ( (mData->mSession.mState == SessionState_Locked) // machine is write-locked already
2659	// (i.e. session machine exists)
2660	&& (aLockType == LockType_Shared) // caller wants a shared link to the
2661	// existing session that holds the write lock:
2662	)
2663	{
2664	// OK, share the session... we are now dealing with three processes:
2665	// 1) VBoxSVC (where this code runs);
2666	// 2) process C: the caller's client process (who wants a shared session);
2667	// 3) process W: the process which already holds the write lock on the machine (write-locking session)
2668
2669	// copy pointers to W (the write-locking session) before leaving lock (these must not be NULL)
2670	ComPtr<IInternalSessionControl> pSessionW = mData->mSession.mDirectControl;
2671	ComAssertRet(!pSessionW.isNull(), E_FAIL);
2672	ComObjPtr<SessionMachine> pSessionMachine = mData->mSession.mMachine;
2673	AssertReturn(!pSessionMachine.isNull(), E_FAIL);
2674
2675	/*
2676	* Release the lock before calling the client process. It's safe here
2677	* since the only thing to do after we get the lock again is to add
2678	* the remote control to the list (which doesn't directly influence
2679	* anything).
2680	*/
2681	alock.release();
2682
2683	// get the console of the session holding the write lock (this is a remote call)
2684	ComPtr<IConsole> pConsoleW;
2685	if (mData->mSession.mLockType == LockType_VM)
2686	{
2687	LogFlowThisFunc(("Calling GetRemoteConsole()...\n"));
2688	hrc = pSessionW->COMGETTER(RemoteConsole)(pConsoleW.asOutParam());
2689	LogFlowThisFunc(("GetRemoteConsole() returned %08X\n", hrc));
2690	if (FAILED(hrc))
2691	// the failure may occur w/o any error info (from RPC), so provide one
2692	return setError(VBOX_E_VM_ERROR, tr("Failed to get a console object from the direct session (%Rhrc)"), hrc);
2693	ComAssertRet(!pConsoleW.isNull(), E_FAIL);
2694	}
2695
2696	// share the session machine and W's console with the caller's session
2697	LogFlowThisFunc(("Calling AssignRemoteMachine()...\n"));
2698	hrc = pSessionControl->AssignRemoteMachine(pSessionMachine, pConsoleW);
2699	LogFlowThisFunc(("AssignRemoteMachine() returned %08X\n", hrc));
2700
2701	if (FAILED(hrc))
2702	// the failure may occur w/o any error info (from RPC), so provide one
2703	return setError(VBOX_E_VM_ERROR, tr("Failed to assign the machine to the session (%Rhrc)"), hrc);
2704	alock.acquire();
2705
2706	// need to revalidate the state after acquiring the lock again
2707	if (mData->mSession.mState != SessionState_Locked)
2708	{
2709	pSessionControl->Uninitialize();
2710	return setError(VBOX_E_INVALID_SESSION_STATE,
2711	tr("The machine '%s' was unlocked unexpectedly while attempting to share its session"),
2712	mUserData->s.strName.c_str());
2713	}
2714
2715	// add the caller's session to the list
2716	mData->mSession.mRemoteControls.push_back(pSessionControl);
2717	}
2718	else if ( mData->mSession.mState == SessionState_Locked
2719	\|\| mData->mSession.mState == SessionState_Unlocking
2720	)
2721	{
2722	// sharing not permitted, or machine still unlocking:
2723	return setError(VBOX_E_INVALID_OBJECT_STATE,
2724	tr("The machine '%s' is already locked for a session (or being unlocked)"),
2725	mUserData->s.strName.c_str());
2726	}
2727	else
2728	{
2729	// machine is not locked: then write-lock the machine (create the session machine)
2730
2731	// must not be busy
2732	AssertReturn(!Global::IsOnlineOrTransient(mData->mMachineState), E_FAIL);
2733
2734	// get the caller's session PID
2735	RTPROCESS pid = NIL_RTPROCESS;
2736	AssertCompile(sizeof(ULONG) == sizeof(RTPROCESS));
2737	pSessionControl->COMGETTER(PID)((ULONG*)&pid);
2738	Assert(pid != NIL_RTPROCESS);
2739
2740	bool fLaunchingVMProcess = (mData->mSession.mState == SessionState_Spawning);
2741
2742	if (fLaunchingVMProcess)
2743	{
2744	if (mData->mSession.mPID == NIL_RTPROCESS)
2745	{
2746	// two or more clients racing for a lock, the one which set the
2747	// session state to Spawning will win, the others will get an
2748	// error as we can't decide here if waiting a little would help
2749	// (only for shared locks this would avoid an error)
2750	return setError(VBOX_E_INVALID_OBJECT_STATE,
2751	tr("The machine '%s' already has a lock request pending"),
2752	mUserData->s.strName.c_str());
2753	}
2754
2755	// this machine is awaiting for a spawning session to be opened:
2756	// then the calling process must be the one that got started by
2757	// LaunchVMProcess()
2758
2759	LogFlowThisFunc(("mSession.mPID=%d(0x%x)\n", mData->mSession.mPID, mData->mSession.mPID));
2760	LogFlowThisFunc(("session.pid=%d(0x%x)\n", pid, pid));
2761
2762	#if defined(VBOX_WITH_HARDENING) && defined(RT_OS_WINDOWS)
2763	/* Hardened windows builds spawns three processes when a VM is
2764	launched, the 3rd one is the one that will end up here. */
2765	RTPROCESS pidParent;
2766	int vrc = RTProcQueryParent(pid, &pidParent);
2767	if (RT_SUCCESS(vrc))
2768	vrc = RTProcQueryParent(pidParent, &pidParent);
2769	if ( (RT_SUCCESS(vrc) && mData->mSession.mPID == pidParent)
2770	\|\| vrc == VERR_ACCESS_DENIED)
2771	{
2772	LogFlowThisFunc(("mSession.mPID => %d(%#x) - windows hardening stub\n", mData->mSession.mPID, pid));
2773	mData->mSession.mPID = pid;
2774	}
2775	#endif
2776
2777	if (mData->mSession.mPID != pid)
2778	return setError(E_ACCESSDENIED,
2779	tr("An unexpected process (PID=0x%08X) has tried to lock the "
2780	"machine '%s', while only the process started by LaunchVMProcess (PID=0x%08X) is allowed"),
2781	pid, mUserData->s.strName.c_str(), mData->mSession.mPID);
2782	}
2783
2784	// create the mutable SessionMachine from the current machine
2785	ComObjPtr<SessionMachine> sessionMachine;
2786	sessionMachine.createObject();
2787	hrc = sessionMachine->init(this);
2788	AssertComRC(hrc);
2789
2790	/* NOTE: doing return from this function after this point but
2791	* before the end is forbidden since it may call SessionMachine::uninit()
2792	* (through the ComObjPtr's destructor) which requests the VirtualBox write
2793	* lock while still holding the Machine lock in alock so that a deadlock
2794	* is possible due to the wrong lock order. */
2795
2796	if (SUCCEEDED(hrc))
2797	{
2798	/*
2799	* Set the session state to Spawning to protect against subsequent
2800	* attempts to open a session and to unregister the machine after
2801	* we release the lock.
2802	*/
2803	SessionState_T origState = mData->mSession.mState;
2804	mData->mSession.mState = SessionState_Spawning;
2805
2806	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
2807	/* Get the client token ID to be passed to the client process */
2808	Utf8Str strTokenId;
2809	sessionMachine->i_getTokenId(strTokenId);
2810	Assert(!strTokenId.isEmpty());
2811	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
2812	/* Get the client token to be passed to the client process */
2813	ComPtr<IToken> pToken(sessionMachine->i_getToken());
2814	/* The token is now "owned" by pToken, fix refcount */
2815	if (!pToken.isNull())
2816	pToken->Release();
2817	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
2818
2819	/*
2820	* Release the lock before calling the client process -- it will call
2821	* Machine/SessionMachine methods. Releasing the lock here is quite safe
2822	* because the state is Spawning, so that LaunchVMProcess() and
2823	* LockMachine() calls will fail. This method, called before we
2824	* acquire the lock again, will fail because of the wrong PID.
2825	*
2826	* Note that mData->mSession.mRemoteControls accessed outside
2827	* the lock may not be modified when state is Spawning, so it's safe.
2828	*/
2829	alock.release();
2830
2831	LogFlowThisFunc(("Calling AssignMachine()...\n"));
2832	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
2833	hrc = pSessionControl->AssignMachine(sessionMachine, aLockType, Bstr(strTokenId).raw());
2834	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
2835	hrc = pSessionControl->AssignMachine(sessionMachine, aLockType, pToken);
2836	/* Now the token is owned by the client process. */
2837	pToken.setNull();
2838	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
2839	LogFlowThisFunc(("AssignMachine() returned %08X\n", hrc));
2840
2841	/* The failure may occur w/o any error info (from RPC), so provide one */
2842	if (FAILED(hrc))
2843	setError(VBOX_E_VM_ERROR, tr("Failed to assign the machine to the session (%Rhrc)"), hrc);
2844
2845	// get session name, either to remember or to compare against
2846	// the already known session name.
2847	{
2848	Bstr bstrSessionName;
2849	HRESULT hrc2 = aSession->COMGETTER(Name)(bstrSessionName.asOutParam());
2850	if (SUCCEEDED(hrc2))
2851	strSessionName = bstrSessionName;
2852	}
2853
2854	if ( SUCCEEDED(hrc)
2855	&& fLaunchingVMProcess
2856	)
2857	{
2858	/* complete the remote session initialization */
2859
2860	/* get the console from the direct session */
2861	ComPtr<IConsole> console;
2862	hrc = pSessionControl->COMGETTER(RemoteConsole)(console.asOutParam());
2863	ComAssertComRC(hrc);
2864
2865	if (SUCCEEDED(hrc) && !console)
2866	{
2867	ComAssert(!!console);
2868	hrc = E_FAIL;
2869	}
2870
2871	/* assign machine & console to the remote session */
2872	if (SUCCEEDED(hrc))
2873	{
2874	/*
2875	* after LaunchVMProcess(), the first and the only
2876	* entry in remoteControls is that remote session
2877	*/
2878	LogFlowThisFunc(("Calling AssignRemoteMachine()...\n"));
2879	hrc = mData->mSession.mRemoteControls.front()->AssignRemoteMachine(sessionMachine, console);
2880	LogFlowThisFunc(("AssignRemoteMachine() returned %08X\n", hrc));
2881
2882	/* The failure may occur w/o any error info (from RPC), so provide one */
2883	if (FAILED(hrc))
2884	setError(VBOX_E_VM_ERROR,
2885	tr("Failed to assign the machine to the remote session (%Rhrc)"), hrc);
2886	}
2887
2888	if (FAILED(hrc))
2889	pSessionControl->Uninitialize();
2890	}
2891
2892	/* acquire the lock again */
2893	alock.acquire();
2894
2895	/* Restore the session state */
2896	mData->mSession.mState = origState;
2897	}
2898
2899	// finalize spawning anyway (this is why we don't return on errors above)
2900	if (fLaunchingVMProcess)
2901	{
2902	Assert(mData->mSession.mName == strSessionName \|\| FAILED(hrc));
2903	/* Note that the progress object is finalized later */
2904	/** @todo Consider checking mData->mSession.mProgress for cancellation
2905	* around here. */
2906
2907	/* We don't reset mSession.mPID here because it is necessary for
2908	* SessionMachine::uninit() to reap the child process later. */
2909
2910	if (FAILED(hrc))
2911	{
2912	/* Close the remote session, remove the remote control from the list
2913	* and reset session state to Closed (@note keep the code in sync
2914	* with the relevant part in checkForSpawnFailure()). */
2915
2916	Assert(mData->mSession.mRemoteControls.size() == 1);
2917	if (mData->mSession.mRemoteControls.size() == 1)
2918	{
2919	ErrorInfoKeeper eik;
2920	mData->mSession.mRemoteControls.front()->Uninitialize();
2921	}
2922
2923	mData->mSession.mRemoteControls.clear();
2924	mData->mSession.mState = SessionState_Unlocked;
2925	}
2926	}
2927	else
2928	{
2929	/* memorize PID of the directly opened session */
2930	if (SUCCEEDED(hrc))
2931	mData->mSession.mPID = pid;
2932	}
2933
2934	if (SUCCEEDED(hrc))
2935	{
2936	mData->mSession.mLockType = aLockType;
2937	/* memorize the direct session control and cache IUnknown for it */
2938	mData->mSession.mDirectControl = pSessionControl;
2939	mData->mSession.mState = SessionState_Locked;
2940	if (!fLaunchingVMProcess)
2941	mData->mSession.mName = strSessionName;
2942	/* associate the SessionMachine with this Machine */
2943	mData->mSession.mMachine = sessionMachine;
2944
2945	/* request an IUnknown pointer early from the remote party for later
2946	* identity checks (it will be internally cached within mDirectControl
2947	* at least on XPCOM) */
2948	ComPtr<IUnknown> unk = mData->mSession.mDirectControl;
2949	NOREF(unk);
2950
2951	#ifdef VBOX_WITH_FULL_VM_ENCRYPTION
2952	if (aLockType == LockType_VM)
2953	{
2954	/* get the console from the direct session */
2955	ComPtr<IConsole> console;
2956	hrc = pSessionControl->COMGETTER(RemoteConsole)(console.asOutParam());
2957	ComAssertComRC(hrc);
2958	/* send passswords to console */
2959	for (SecretKeyStore::SecretKeyMap::iterator it = mData->mpKeyStore->begin();
2960	it != mData->mpKeyStore->end();
2961	++it)
2962	{
2963	SecretKey *pKey = it->second;
2964	pKey->retain();
2965	console->AddEncryptionPassword(Bstr(it->first).raw(),
2966	Bstr((const char*)pKey->getKeyBuffer()).raw(),
2967	TRUE);
2968	pKey->release();
2969	}
2970
2971	}
2972	#endif
2973	}
2974
2975	/* Release the lock since SessionMachine::uninit() locks VirtualBox which
2976	* would break the lock order */
2977	alock.release();
2978
2979	/* uninitialize the created session machine on failure */
2980	if (FAILED(hrc))
2981	sessionMachine->uninit();
2982	}
2983
2984	if (SUCCEEDED(hrc))
2985	{
2986	/*
2987	* tell the client watcher thread to update the set of
2988	* machines that have open sessions
2989	*/
2990	mParent->i_updateClientWatcher();
2991
2992	if (oldState != SessionState_Locked)
2993	/* fire an event */
2994	mParent->i_onSessionStateChanged(i_getId(), SessionState_Locked);
2995	}
2996
2997	return hrc;
2998	}
2999
3000	/**
3001	* @note Locks objects!
3002	*/
3003	HRESULT Machine::launchVMProcess(const ComPtr<ISession> &aSession,
3004	const com::Utf8Str &aName,
3005	const std::vector<com::Utf8Str> &aEnvironmentChanges,
3006	ComPtr<IProgress> &aProgress)
3007	{
3008	Utf8Str strFrontend(aName);
3009	/* "emergencystop" doesn't need the session, so skip the checks/interface
3010	* retrieval. This code doesn't quite fit in here, but introducing a
3011	* special API method would be even more effort, and would require explicit
3012	* support by every API client. It's better to hide the feature a bit. */
3013	if (strFrontend != "emergencystop")
3014	CheckComArgNotNull(aSession);
3015
3016	HRESULT hrc = S_OK;
3017	if (strFrontend.isEmpty())
3018	{
3019	Bstr bstrFrontend;
3020	hrc = COMGETTER(DefaultFrontend)(bstrFrontend.asOutParam());
3021	if (FAILED(hrc))
3022	return hrc;
3023	strFrontend = bstrFrontend;
3024	if (strFrontend.isEmpty())
3025	{
3026	ComPtr<ISystemProperties> systemProperties;
3027	hrc = mParent->COMGETTER(SystemProperties)(systemProperties.asOutParam());
3028	if (FAILED(hrc))
3029	return hrc;
3030	hrc = systemProperties->COMGETTER(DefaultFrontend)(bstrFrontend.asOutParam());
3031	if (FAILED(hrc))
3032	return hrc;
3033	strFrontend = bstrFrontend;
3034	}
3035	/* paranoia - emergencystop is not a valid default */
3036	if (strFrontend == "emergencystop")
3037	strFrontend = Utf8Str::Empty;
3038	}
3039	/* default frontend: Qt GUI */
3040	if (strFrontend.isEmpty())
3041	strFrontend = "GUI/Qt";
3042
3043	if (strFrontend != "emergencystop")
3044	{
3045	/* check the session state */
3046	SessionState_T state;
3047	hrc = aSession->COMGETTER(State)(&state);
3048	if (FAILED(hrc))
3049	return hrc;
3050
3051	if (state != SessionState_Unlocked)
3052	return setError(VBOX_E_INVALID_OBJECT_STATE,
3053	tr("The given session is busy"));
3054
3055	/* get the IInternalSessionControl interface */
3056	ComPtr<IInternalSessionControl> control(aSession);
3057	ComAssertMsgRet(!control.isNull(),
3058	("No IInternalSessionControl interface"),
3059	E_INVALIDARG);
3060
3061	/* get the teleporter enable state for the progress object init. */
3062	BOOL fTeleporterEnabled;
3063	hrc = COMGETTER(TeleporterEnabled)(&fTeleporterEnabled);
3064	if (FAILED(hrc))
3065	return hrc;
3066
3067	/* create a progress object */
3068	ComObjPtr<ProgressProxy> progress;
3069	progress.createObject();
3070	hrc = progress->init(mParent,
3071	static_cast<IMachine*>(this),
3072	Bstr(tr("Starting VM")).raw(),
3073	TRUE /* aCancelable */,
3074	fTeleporterEnabled ? 20 : 10 /* uTotalOperationsWeight */,
3075	BstrFmt(tr("Creating process for virtual machine \"%s\" (%s)"),
3076	mUserData->s.strName.c_str(), strFrontend.c_str()).raw(),
3077	2 /* uFirstOperationWeight */,
3078	fTeleporterEnabled ? 3 : 1 /* cOtherProgressObjectOperations */);
3079	if (SUCCEEDED(hrc))
3080	{
3081	hrc = i_launchVMProcess(control, strFrontend, aEnvironmentChanges, progress);
3082	if (SUCCEEDED(hrc))
3083	{
3084	aProgress = progress;
3085
3086	/* signal the client watcher thread */
3087	mParent->i_updateClientWatcher();
3088
3089	/* fire an event */
3090	mParent->i_onSessionStateChanged(i_getId(), SessionState_Spawning);
3091	}
3092	}
3093	}
3094	else
3095	{
3096	/* no progress object - either instant success or failure */
3097	aProgress = NULL;
3098
3099	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3100
3101	if (mData->mSession.mState != SessionState_Locked)
3102	return setError(VBOX_E_INVALID_OBJECT_STATE,
3103	tr("The machine '%s' is not locked by a session"),
3104	mUserData->s.strName.c_str());
3105
3106	/* must have a VM process associated - do not kill normal API clients
3107	* with an open session */
3108	if (!Global::IsOnline(mData->mMachineState))
3109	return setError(VBOX_E_INVALID_OBJECT_STATE,
3110	tr("The machine '%s' does not have a VM process"),
3111	mUserData->s.strName.c_str());
3112
3113	/* forcibly terminate the VM process */
3114	if (mData->mSession.mPID != NIL_RTPROCESS)
3115	RTProcTerminate(mData->mSession.mPID);
3116
3117	/* signal the client watcher thread, as most likely the client has
3118	* been terminated */
3119	mParent->i_updateClientWatcher();
3120	}
3121
3122	return hrc;
3123	}
3124
3125	HRESULT Machine::setBootOrder(ULONG aPosition, DeviceType_T aDevice)
3126	{
3127	if (aPosition < 1 \|\| aPosition > SchemaDefs::MaxBootPosition)
3128	return setError(E_INVALIDARG,
3129	tr("Invalid boot position: %lu (must be in range [1, %lu])"),
3130	aPosition, SchemaDefs::MaxBootPosition);
3131
3132	if (aDevice == DeviceType_USB)
3133	return setError(E_NOTIMPL,
3134	tr("Booting from USB device is currently not supported"));
3135
3136	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3137
3138	HRESULT hrc = i_checkStateDependency(MutableStateDep);
3139	if (FAILED(hrc)) return hrc;
3140
3141	i_setModified(IsModified_MachineData);
3142	mHWData.backup();
3143	mHWData->mBootOrder[aPosition - 1] = aDevice;
3144
3145	return S_OK;
3146	}
3147
3148	HRESULT Machine::getBootOrder(ULONG aPosition, DeviceType_T *aDevice)
3149	{
3150	if (aPosition < 1 \|\| aPosition > SchemaDefs::MaxBootPosition)
3151	return setError(E_INVALIDARG,
3152	tr("Invalid boot position: %lu (must be in range [1, %lu])"),
3153	aPosition, SchemaDefs::MaxBootPosition);
3154
3155	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3156
3157	*aDevice = mHWData->mBootOrder[aPosition - 1];
3158
3159	return S_OK;
3160	}
3161
3162	HRESULT Machine::attachDevice(const com::Utf8Str &aName,
3163	LONG aControllerPort,
3164	LONG aDevice,
3165	DeviceType_T aType,
3166	const ComPtr<IMedium> &aMedium)
3167	{
3168	IMedium *aM = aMedium;
3169	LogFlowThisFunc(("aControllerName=\"%s\" aControllerPort=%d aDevice=%d aType=%d aMedium=%p\n",
3170	aName.c_str(), aControllerPort, aDevice, aType, aM));
3171
3172	// request the host lock first, since might be calling Host methods for getting host drives;
3173	// next, protect the media tree all the while we're in here, as well as our member variables
3174	AutoMultiWriteLock2 alock(mParent->i_host(), this COMMA_LOCKVAL_SRC_POS);
3175	AutoWriteLock treeLock(&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
3176
3177	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
3178	if (FAILED(hrc)) return hrc;
3179
3180	/// @todo NEWMEDIA implicit machine registration
3181	if (!mData->mRegistered)
3182	return setError(VBOX_E_INVALID_OBJECT_STATE,
3183	tr("Cannot attach storage devices to an unregistered machine"));
3184
3185	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3186
3187	/* Check for an existing controller. */
3188	ComObjPtr<StorageController> ctl;
3189	hrc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
3190	if (FAILED(hrc)) return hrc;
3191
3192	StorageControllerType_T ctrlType;
3193	hrc = ctl->COMGETTER(ControllerType)(&ctrlType);
3194	if (FAILED(hrc))
3195	return setError(E_FAIL, tr("Could not get type of controller '%s'"), aName.c_str());
3196
3197	bool fSilent = false;
3198
3199	/* Check whether the flag to allow silent storage attachment reconfiguration is set. */
3200	Utf8Str const strReconfig = i_getExtraData(Utf8Str("VBoxInternal2/SilentReconfigureWhilePaused"));
3201	if ( mData->mMachineState == MachineState_Paused
3202	&& strReconfig == "1")
3203	fSilent = true;
3204
3205	/* Check that the controller can do hot-plugging if we attach the device while the VM is running. */
3206	bool fHotplug = false;
3207	if (!fSilent && Global::IsOnlineOrTransient(mData->mMachineState))
3208	fHotplug = true;
3209
3210	if (fHotplug && !i_isControllerHotplugCapable(ctrlType))
3211	return setError(VBOX_E_INVALID_VM_STATE,
3212	tr("Controller '%s' does not support hot-plugging"),
3213	aName.c_str());
3214
3215	// check that the port and device are not out of range
3216	hrc = ctl->i_checkPortAndDeviceValid(aControllerPort, aDevice);
3217	if (FAILED(hrc)) return hrc;
3218
3219	/* check if the device slot is already busy */
3220	MediumAttachment pAttachTemp = i_findAttachment(mMediumAttachments.data(),
3221	aName,
3222	aControllerPort,
3223	aDevice);
3224	if (pAttachTemp)
3225	{
3226	Medium *pMedium = pAttachTemp->i_getMedium();
3227	if (pMedium)
3228	{
3229	AutoReadLock mediumLock(pMedium COMMA_LOCKVAL_SRC_POS);
3230	return setError(VBOX_E_OBJECT_IN_USE,
3231	tr("Medium '%s' is already attached to port %d, device %d of controller '%s' of this virtual machine"),
3232	pMedium->i_getLocationFull().c_str(),
3233	aControllerPort,
3234	aDevice,
3235	aName.c_str());
3236	}
3237	else
3238	return setError(VBOX_E_OBJECT_IN_USE,
3239	tr("Device is already attached to port %d, device %d of controller '%s' of this virtual machine"),
3240	aControllerPort, aDevice, aName.c_str());
3241	}
3242
3243	ComObjPtr<Medium> medium = static_cast<Medium*>(aM);
3244	if (aMedium && medium.isNull())
3245	return setError(E_INVALIDARG, tr("The given medium pointer is invalid"));
3246
3247	AutoCaller mediumCaller(medium);
3248	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
3249
3250	AutoWriteLock mediumLock(medium COMMA_LOCKVAL_SRC_POS);
3251
3252	pAttachTemp = i_findAttachment(*mMediumAttachments.data(), medium);
3253	if ( pAttachTemp
3254	&& !medium.isNull()
3255	&& ( medium->i_getType() != MediumType_Readonly
3256	\|\| medium->i_getDeviceType() != DeviceType_DVD)
3257	)
3258	return setError(VBOX_E_OBJECT_IN_USE,
3259	tr("Medium '%s' is already attached to this virtual machine"),
3260	medium->i_getLocationFull().c_str());
3261
3262	if (!medium.isNull())
3263	{
3264	MediumType_T mtype = medium->i_getType();
3265	// MediumType_Readonly is also new, but only applies to DVDs and floppies.
3266	// For DVDs it's not written to the config file, so needs no global config
3267	// version bump. For floppies it's a new attribute "type", which is ignored
3268	// by older VirtualBox version, so needs no global config version bump either.
3269	// For hard disks this type is not accepted.
3270	if (mtype == MediumType_MultiAttach)
3271	{
3272	// This type is new with VirtualBox 4.0 and therefore requires settings
3273	// version 1.11 in the settings backend. Unfortunately it is not enough to do
3274	// the usual routine in MachineConfigFile::bumpSettingsVersionIfNeeded() for
3275	// two reasons: The medium type is a property of the media registry tree, which
3276	// can reside in the global config file (for pre-4.0 media); we would therefore
3277	// possibly need to bump the global config version. We don't want to do that though
3278	// because that might make downgrading to pre-4.0 impossible.
3279	// As a result, we can only use these two new types if the medium is NOT in the
3280	// global registry:
3281	const Guid &uuidGlobalRegistry = mParent->i_getGlobalRegistryId();
3282	if ( medium->i_isInRegistry(uuidGlobalRegistry)
3283	\|\| !mData->pMachineConfigFile->canHaveOwnMediaRegistry()
3284	)
3285	return setError(VBOX_E_INVALID_OBJECT_STATE,
3286	tr("Cannot attach medium '%s': the media type 'MultiAttach' can only be attached "
3287	"to machines that were created with VirtualBox 4.0 or later"),
3288	medium->i_getLocationFull().c_str());
3289	}
3290	}
3291
3292	bool fIndirect = false;
3293	if (!medium.isNull())
3294	fIndirect = medium->i_isReadOnly();
3295	bool associate = true;
3296
3297	do
3298	{
3299	if ( aType == DeviceType_HardDisk
3300	&& mMediumAttachments.isBackedUp())
3301	{
3302	const MediumAttachmentList &oldAtts = *mMediumAttachments.backedUpData();
3303
3304	/* check if the medium was attached to the VM before we started
3305	* changing attachments in which case the attachment just needs to
3306	* be restored */
3307	pAttachTemp = i_findAttachment(oldAtts, medium);
3308	if (pAttachTemp)
3309	{
3310	AssertReturn(!fIndirect, E_FAIL);
3311
3312	/* see if it's the same bus/channel/device */
3313	if (pAttachTemp->i_matches(aName, aControllerPort, aDevice))
3314	{
3315	/* the simplest case: restore the whole attachment
3316	* and return, nothing else to do */
3317	mMediumAttachments->push_back(pAttachTemp);
3318
3319	/* Reattach the medium to the VM. */
3320	if (fHotplug \|\| fSilent)
3321	{
3322	mediumLock.release();
3323	treeLock.release();
3324	alock.release();
3325
3326	MediumLockList *pMediumLockList(new MediumLockList());
3327
3328	hrc = medium->i_createMediumLockList(true /* fFailIfInaccessible */,
3329	medium /* pToLockWrite */,
3330	false /* fMediumLockWriteAll */,
3331	NULL,
3332	*pMediumLockList);
3333	alock.acquire();
3334	if (FAILED(hrc))
3335	delete pMediumLockList;
3336	else
3337	{
3338	Assert(mData->mSession.mLockedMedia.IsLocked());
3339	mData->mSession.mLockedMedia.Unlock();
3340	alock.release();
3341	hrc = mData->mSession.mLockedMedia.Insert(pAttachTemp, pMediumLockList);
3342	mData->mSession.mLockedMedia.Lock();
3343	alock.acquire();
3344	}
3345	alock.release();
3346
3347	if (SUCCEEDED(hrc))
3348	{
3349	hrc = i_onStorageDeviceChange(pAttachTemp, FALSE /* aRemove */, fSilent);
3350	/* Remove lock list in case of error. */
3351	if (FAILED(hrc))
3352	{
3353	mData->mSession.mLockedMedia.Unlock();
3354	mData->mSession.mLockedMedia.Remove(pAttachTemp);
3355	mData->mSession.mLockedMedia.Lock();
3356	}
3357	}
3358	}
3359
3360	return S_OK;
3361	}
3362
3363	/* bus/channel/device differ; we need a new attachment object,
3364	* but don't try to associate it again */
3365	associate = false;
3366	break;
3367	}
3368	}
3369
3370	/* go further only if the attachment is to be indirect */
3371	if (!fIndirect)
3372	break;
3373
3374	/* perform the so called smart attachment logic for indirect
3375	* attachments. Note that smart attachment is only applicable to base
3376	* hard disks. */
3377
3378	if (medium->i_getParent().isNull())
3379	{
3380	/* first, investigate the backup copy of the current hard disk
3381	* attachments to make it possible to re-attach existing diffs to
3382	* another device slot w/o losing their contents */
3383	if (mMediumAttachments.isBackedUp())
3384	{
3385	const MediumAttachmentList &oldAtts = *mMediumAttachments.backedUpData();
3386
3387	MediumAttachmentList::const_iterator foundIt = oldAtts.end();
3388	uint32_t foundLevel = 0;
3389
3390	for (MediumAttachmentList::const_iterator
3391	it = oldAtts.begin();
3392	it != oldAtts.end();
3393	++it)
3394	{
3395	uint32_t level = 0;
3396	MediumAttachment pAttach = it;
3397	ComObjPtr<Medium> pMedium = pAttach->i_getMedium();
3398	Assert(!pMedium.isNull() \|\| pAttach->i_getType() != DeviceType_HardDisk);
3399	if (pMedium.isNull())
3400	continue;
3401
3402	if (pMedium->i_getBase(&level) == medium)
3403	{
3404	/* skip the hard disk if its currently attached (we
3405	* cannot attach the same hard disk twice) */
3406	if (i_findAttachment(*mMediumAttachments.data(),
3407	pMedium))
3408	continue;
3409
3410	/* matched device, channel and bus (i.e. attached to the
3411	* same place) will win and immediately stop the search;
3412	* otherwise the attachment that has the youngest
3413	* descendant of medium will be used
3414	*/
3415	if (pAttach->i_matches(aName, aControllerPort, aDevice))
3416	{
3417	/* the simplest case: restore the whole attachment
3418	* and return, nothing else to do */
3419	mMediumAttachments->push_back(*it);
3420
3421	/* Reattach the medium to the VM. */
3422	if (fHotplug \|\| fSilent)
3423	{
3424	mediumLock.release();
3425	treeLock.release();
3426	alock.release();
3427
3428	MediumLockList *pMediumLockList(new MediumLockList());
3429
3430	hrc = medium->i_createMediumLockList(true /* fFailIfInaccessible */,
3431	medium /* pToLockWrite */,
3432	false /* fMediumLockWriteAll */,
3433	NULL,
3434	*pMediumLockList);
3435	alock.acquire();
3436	if (FAILED(hrc))
3437	delete pMediumLockList;
3438	else
3439	{
3440	Assert(mData->mSession.mLockedMedia.IsLocked());
3441	mData->mSession.mLockedMedia.Unlock();
3442	alock.release();
3443	hrc = mData->mSession.mLockedMedia.Insert(pAttachTemp, pMediumLockList);
3444	mData->mSession.mLockedMedia.Lock();
3445	alock.acquire();
3446	}
3447	alock.release();
3448
3449	if (SUCCEEDED(hrc))
3450	{
3451	hrc = i_onStorageDeviceChange(pAttachTemp, FALSE /* aRemove */, fSilent);
3452	/* Remove lock list in case of error. */
3453	if (FAILED(hrc))
3454	{
3455	mData->mSession.mLockedMedia.Unlock();
3456	mData->mSession.mLockedMedia.Remove(pAttachTemp);
3457	mData->mSession.mLockedMedia.Lock();
3458	}
3459	}
3460	}
3461
3462	return S_OK;
3463	}
3464	else if ( foundIt == oldAtts.end()
3465	\|\| level > foundLevel /* prefer younger */
3466	)
3467	{
3468	foundIt = it;
3469	foundLevel = level;
3470	}
3471	}
3472	}
3473
3474	if (foundIt != oldAtts.end())
3475	{
3476	/* use the previously attached hard disk */
3477	medium = (*foundIt)->i_getMedium();
3478	mediumCaller.attach(medium);
3479	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
3480	mediumLock.attach(medium);
3481	/* not implicit, doesn't require association with this VM */
3482	fIndirect = false;
3483	associate = false;
3484	/* go right to the MediumAttachment creation */
3485	break;
3486	}
3487	}
3488
3489	/* must give up the medium lock and medium tree lock as below we
3490	* go over snapshots, which needs a lock with higher lock order. */
3491	mediumLock.release();
3492	treeLock.release();
3493
3494	/* then, search through snapshots for the best diff in the given
3495	* hard disk's chain to base the new diff on */
3496
3497	ComObjPtr<Medium> base;
3498	ComObjPtr<Snapshot> snap = mData->mCurrentSnapshot;
3499	while (snap)
3500	{
3501	AutoReadLock snapLock(snap COMMA_LOCKVAL_SRC_POS);
3502
3503	const MediumAttachmentList &snapAtts = *snap->i_getSnapshotMachine()->mMediumAttachments.data();
3504
3505	MediumAttachment *pAttachFound = NULL;
3506	uint32_t foundLevel = 0;
3507
3508	for (MediumAttachmentList::const_iterator
3509	it = snapAtts.begin();
3510	it != snapAtts.end();
3511	++it)
3512	{
3513	MediumAttachment pAttach = it;
3514	ComObjPtr<Medium> pMedium = pAttach->i_getMedium();
3515	Assert(!pMedium.isNull() \|\| pAttach->i_getType() != DeviceType_HardDisk);
3516	if (pMedium.isNull())
3517	continue;
3518
3519	uint32_t level = 0;
3520	if (pMedium->i_getBase(&level) == medium)
3521	{
3522	/* matched device, channel and bus (i.e. attached to the
3523	* same place) will win and immediately stop the search;
3524	* otherwise the attachment that has the youngest
3525	* descendant of medium will be used
3526	*/
3527	if ( pAttach->i_getDevice() == aDevice
3528	&& pAttach->i_getPort() == aControllerPort
3529	&& pAttach->i_getControllerName() == aName
3530	)
3531	{
3532	pAttachFound = pAttach;
3533	break;
3534	}
3535	else if ( !pAttachFound
3536	\|\| level > foundLevel /* prefer younger */
3537	)
3538	{
3539	pAttachFound = pAttach;
3540	foundLevel = level;
3541	}
3542	}
3543	}
3544
3545	if (pAttachFound)
3546	{
3547	base = pAttachFound->i_getMedium();
3548	break;
3549	}
3550
3551	snap = snap->i_getParent();
3552	}
3553
3554	/* re-lock medium tree and the medium, as we need it below */
3555	treeLock.acquire();
3556	mediumLock.acquire();
3557
3558	/* found a suitable diff, use it as a base */
3559	if (!base.isNull())
3560	{
3561	medium = base;
3562	mediumCaller.attach(medium);
3563	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
3564	mediumLock.attach(medium);
3565	}
3566	}
3567
3568	Utf8Str strFullSnapshotFolder;
3569	i_calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
3570
3571	ComObjPtr<Medium> diff;
3572	diff.createObject();
3573	// store this diff in the same registry as the parent
3574	Guid uuidRegistryParent;
3575	if (!medium->i_getFirstRegistryMachineId(uuidRegistryParent))
3576	{
3577	// parent image has no registry: this can happen if we're attaching a new immutable
3578	// image that has not yet been attached (medium then points to the base and we're
3579	// creating the diff image for the immutable, and the parent is not yet registered);
3580	// put the parent in the machine registry then
3581	mediumLock.release();
3582	treeLock.release();
3583	alock.release();
3584	i_addMediumToRegistry(medium);
3585	alock.acquire();
3586	treeLock.acquire();
3587	mediumLock.acquire();
3588	medium->i_getFirstRegistryMachineId(uuidRegistryParent);
3589	}
3590	hrc = diff->init(mParent,
3591	medium->i_getPreferredDiffFormat(),
3592	strFullSnapshotFolder.append(RTPATH_SLASH_STR),
3593	uuidRegistryParent,
3594	DeviceType_HardDisk);
3595	if (FAILED(hrc)) return hrc;
3596
3597	/* Apply the normal locking logic to the entire chain. */
3598	MediumLockList *pMediumLockList(new MediumLockList());
3599	mediumLock.release();
3600	treeLock.release();
3601	hrc = diff->i_createMediumLockList(true /* fFailIfInaccessible */,
3602	diff /* pToLockWrite */,
3603	false /* fMediumLockWriteAll */,
3604	medium,
3605	*pMediumLockList);
3606	treeLock.acquire();
3607	mediumLock.acquire();
3608	if (SUCCEEDED(hrc))
3609	{
3610	mediumLock.release();
3611	treeLock.release();
3612	hrc = pMediumLockList->Lock();
3613	treeLock.acquire();
3614	mediumLock.acquire();
3615	if (FAILED(hrc))
3616	setError(hrc,
3617	tr("Could not lock medium when creating diff '%s'"),
3618	diff->i_getLocationFull().c_str());
3619	else
3620	{
3621	/* will release the lock before the potentially lengthy
3622	* operation, so protect with the special state */
3623	MachineState_T oldState = mData->mMachineState;
3624	i_setMachineState(MachineState_SettingUp);
3625
3626	mediumLock.release();
3627	treeLock.release();
3628	alock.release();
3629
3630	hrc = medium->i_createDiffStorage(diff,
3631	medium->i_getPreferredDiffVariant(),
3632	pMediumLockList,
3633	NULL /* aProgress */,
3634	true /* aWait */,
3635	false /* aNotify */);
3636
3637	alock.acquire();
3638	treeLock.acquire();
3639	mediumLock.acquire();
3640
3641	i_setMachineState(oldState);
3642	}
3643	}
3644
3645	/* Unlock the media and free the associated memory. */
3646	delete pMediumLockList;
3647
3648	if (FAILED(hrc)) return hrc;
3649
3650	/* use the created diff for the actual attachment */
3651	medium = diff;
3652	mediumCaller.attach(medium);
3653	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
3654	mediumLock.attach(medium);
3655	}
3656	while (0);
3657
3658	ComObjPtr<MediumAttachment> attachment;
3659	attachment.createObject();
3660	hrc = attachment->init(this,
3661	medium,
3662	aName,
3663	aControllerPort,
3664	aDevice,
3665	aType,
3666	fIndirect,
3667	false /* fPassthrough */,
3668	false /* fTempEject */,
3669	false /* fNonRotational */,
3670	false /* fDiscard */,
3671	fHotplug \|\| ctrlType == StorageControllerType_USB /* fHotPluggable */,
3672	Utf8Str::Empty);
3673	if (FAILED(hrc)) return hrc;
3674
3675	if (associate && !medium.isNull())
3676	{
3677	// as the last step, associate the medium to the VM
3678	hrc = medium->i_addBackReference(mData->mUuid);
3679	// here we can fail because of Deleting, or being in process of creating a Diff
3680	if (FAILED(hrc)) return hrc;
3681
3682	mediumLock.release();
3683	treeLock.release();
3684	alock.release();
3685	i_addMediumToRegistry(medium);
3686	alock.acquire();
3687	treeLock.acquire();
3688	mediumLock.acquire();
3689	}
3690
3691	/* success: finally remember the attachment */
3692	i_setModified(IsModified_Storage);
3693	mMediumAttachments.backup();
3694	mMediumAttachments->push_back(attachment);
3695
3696	mediumLock.release();
3697	treeLock.release();
3698	alock.release();
3699
3700	if (fHotplug \|\| fSilent)
3701	{
3702	if (!medium.isNull())
3703	{
3704	MediumLockList *pMediumLockList(new MediumLockList());
3705
3706	hrc = medium->i_createMediumLockList(true /* fFailIfInaccessible */,
3707	medium /* pToLockWrite */,
3708	false /* fMediumLockWriteAll */,
3709	NULL,
3710	*pMediumLockList);
3711	alock.acquire();
3712	if (FAILED(hrc))
3713	delete pMediumLockList;
3714	else
3715	{
3716	Assert(mData->mSession.mLockedMedia.IsLocked());
3717	mData->mSession.mLockedMedia.Unlock();
3718	alock.release();
3719	hrc = mData->mSession.mLockedMedia.Insert(attachment, pMediumLockList);
3720	mData->mSession.mLockedMedia.Lock();
3721	alock.acquire();
3722	}
3723	alock.release();
3724	}
3725
3726	if (SUCCEEDED(hrc))
3727	{
3728	hrc = i_onStorageDeviceChange(attachment, FALSE /* aRemove */, fSilent);
3729	/* Remove lock list in case of error. */
3730	if (FAILED(hrc))
3731	{
3732	mData->mSession.mLockedMedia.Unlock();
3733	mData->mSession.mLockedMedia.Remove(attachment);
3734	mData->mSession.mLockedMedia.Lock();
3735	}
3736	}
3737	}
3738
3739	/* Save modified registries, but skip this machine as it's the caller's
3740	* job to save its settings like all other settings changes. */
3741	mParent->i_unmarkRegistryModified(i_getId());
3742	mParent->i_saveModifiedRegistries();
3743
3744	if (SUCCEEDED(hrc))
3745	{
3746	if (fIndirect && medium != aM)
3747	mParent->i_onMediumConfigChanged(medium);
3748	mParent->i_onStorageDeviceChanged(attachment, FALSE, fSilent);
3749	}
3750
3751	return hrc;
3752	}
3753
3754	HRESULT Machine::detachDevice(const com::Utf8Str &aName, LONG aControllerPort,
3755	LONG aDevice)
3756	{
3757	LogFlowThisFunc(("aControllerName=\"%s\" aControllerPort=%d aDevice=%d\n", aName.c_str(), aControllerPort, aDevice));
3758
3759	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3760
3761	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
3762	if (FAILED(hrc)) return hrc;
3763
3764	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3765
3766	/* Check for an existing controller. */
3767	ComObjPtr<StorageController> ctl;
3768	hrc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
3769	if (FAILED(hrc)) return hrc;
3770
3771	StorageControllerType_T ctrlType;
3772	hrc = ctl->COMGETTER(ControllerType)(&ctrlType);
3773	if (FAILED(hrc))
3774	return setError(E_FAIL, tr("Could not get type of controller '%s'"), aName.c_str());
3775
3776	bool fSilent = false;
3777	Utf8Str strReconfig;
3778
3779	/* Check whether the flag to allow silent storage attachment reconfiguration is set. */
3780	strReconfig = i_getExtraData(Utf8Str("VBoxInternal2/SilentReconfigureWhilePaused"));
3781	if ( mData->mMachineState == MachineState_Paused
3782	&& strReconfig == "1")
3783	fSilent = true;
3784
3785	/* Check that the controller can do hot-plugging if we detach the device while the VM is running. */
3786	bool fHotplug = false;
3787	if (!fSilent && Global::IsOnlineOrTransient(mData->mMachineState))
3788	fHotplug = true;
3789
3790	if (fHotplug && !i_isControllerHotplugCapable(ctrlType))
3791	return setError(VBOX_E_INVALID_VM_STATE,
3792	tr("Controller '%s' does not support hot-plugging"),
3793	aName.c_str());
3794
3795	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
3796	aName,
3797	aControllerPort,
3798	aDevice);
3799	if (!pAttach)
3800	return setError(VBOX_E_OBJECT_NOT_FOUND,
3801	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
3802	aDevice, aControllerPort, aName.c_str());
3803
3804	if (fHotplug && !pAttach->i_getHotPluggable())
3805	return setError(VBOX_E_NOT_SUPPORTED,
3806	tr("The device slot %d on port %d of controller '%s' does not support hot-plugging"),
3807	aDevice, aControllerPort, aName.c_str());
3808
3809	/*
3810	* The VM has to detach the device before we delete any implicit diffs.
3811	* If this fails we can roll back without loosing data.
3812	*/
3813	if (fHotplug \|\| fSilent)
3814	{
3815	alock.release();
3816	hrc = i_onStorageDeviceChange(pAttach, TRUE /* aRemove */, fSilent);
3817	alock.acquire();
3818	}
3819	if (FAILED(hrc)) return hrc;
3820
3821	/* If we are here everything went well and we can delete the implicit now. */
3822	hrc = i_detachDevice(pAttach, alock, NULL /* pSnapshot */);
3823
3824	alock.release();
3825
3826	/* Save modified registries, but skip this machine as it's the caller's
3827	* job to save its settings like all other settings changes. */
3828	mParent->i_unmarkRegistryModified(i_getId());
3829	mParent->i_saveModifiedRegistries();
3830
3831	if (SUCCEEDED(hrc))
3832	mParent->i_onStorageDeviceChanged(pAttach, TRUE, fSilent);
3833
3834	return hrc;
3835	}
3836
3837	HRESULT Machine::passthroughDevice(const com::Utf8Str &aName, LONG aControllerPort,
3838	LONG aDevice, BOOL aPassthrough)
3839	{
3840	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aPassthrough=%d\n",
3841	aName.c_str(), aControllerPort, aDevice, aPassthrough));
3842
3843	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3844
3845	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
3846	if (FAILED(hrc)) return hrc;
3847
3848	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3849
3850	/* Check for an existing controller. */
3851	ComObjPtr<StorageController> ctl;
3852	hrc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
3853	if (FAILED(hrc)) return hrc;
3854
3855	StorageControllerType_T ctrlType;
3856	hrc = ctl->COMGETTER(ControllerType)(&ctrlType);
3857	if (FAILED(hrc))
3858	return setError(E_FAIL,
3859	tr("Could not get type of controller '%s'"),
3860	aName.c_str());
3861
3862	bool fSilent = false;
3863	Utf8Str strReconfig;
3864
3865	/* Check whether the flag to allow silent storage attachment reconfiguration is set. */
3866	strReconfig = i_getExtraData(Utf8Str("VBoxInternal2/SilentReconfigureWhilePaused"));
3867	if ( mData->mMachineState == MachineState_Paused
3868	&& strReconfig == "1")
3869	fSilent = true;
3870
3871	/* Check that the controller can do hot-plugging if we detach the device while the VM is running. */
3872	bool fHotplug = false;
3873	if (!fSilent && Global::IsOnlineOrTransient(mData->mMachineState))
3874	fHotplug = true;
3875
3876	if (fHotplug && !i_isControllerHotplugCapable(ctrlType))
3877	return setError(VBOX_E_INVALID_VM_STATE,
3878	tr("Controller '%s' does not support hot-plugging which is required to change the passthrough setting while the VM is running"),
3879	aName.c_str());
3880
3881	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
3882	aName,
3883	aControllerPort,
3884	aDevice);
3885	if (!pAttach)
3886	return setError(VBOX_E_OBJECT_NOT_FOUND,
3887	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
3888	aDevice, aControllerPort, aName.c_str());
3889
3890
3891	i_setModified(IsModified_Storage);
3892	mMediumAttachments.backup();
3893
3894	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3895
3896	if (pAttach->i_getType() != DeviceType_DVD)
3897	return setError(E_INVALIDARG,
3898	tr("Setting passthrough rejected as the device attached to device slot %d on port %d of controller '%s' is not a DVD"),
3899	aDevice, aControllerPort, aName.c_str());
3900
3901	bool fValueChanged = pAttach->i_getPassthrough() != (aPassthrough != 0);
3902
3903	pAttach->i_updatePassthrough(!!aPassthrough);
3904
3905	attLock.release();
3906	alock.release();
3907	hrc = i_onStorageDeviceChange(pAttach, FALSE /* aRemove /, FALSE / aSilent */);
3908	if (SUCCEEDED(hrc) && fValueChanged)
3909	mParent->i_onStorageDeviceChanged(pAttach, FALSE, FALSE);
3910
3911	return hrc;
3912	}
3913
3914	HRESULT Machine::temporaryEjectDevice(const com::Utf8Str &aName, LONG aControllerPort,
3915	LONG aDevice, BOOL aTemporaryEject)
3916	{
3917
3918	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aTemporaryEject=%d\n",
3919	aName.c_str(), aControllerPort, aDevice, aTemporaryEject));
3920
3921	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3922
3923	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
3924	if (FAILED(hrc)) return hrc;
3925
3926	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
3927	aName,
3928	aControllerPort,
3929	aDevice);
3930	if (!pAttach)
3931	return setError(VBOX_E_OBJECT_NOT_FOUND,
3932	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
3933	aDevice, aControllerPort, aName.c_str());
3934
3935
3936	i_setModified(IsModified_Storage);
3937	mMediumAttachments.backup();
3938
3939	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3940
3941	if (pAttach->i_getType() != DeviceType_DVD)
3942	return setError(E_INVALIDARG,
3943	tr("Setting temporary eject flag rejected as the device attached to device slot %d on port %d of controller '%s' is not a DVD"),
3944	aDevice, aControllerPort, aName.c_str());
3945	pAttach->i_updateTempEject(!!aTemporaryEject);
3946
3947	return S_OK;
3948	}
3949
3950	HRESULT Machine::nonRotationalDevice(const com::Utf8Str &aName, LONG aControllerPort,
3951	LONG aDevice, BOOL aNonRotational)
3952	{
3953
3954	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aNonRotational=%d\n",
3955	aName.c_str(), aControllerPort, aDevice, aNonRotational));
3956
3957	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3958
3959	HRESULT hrc = i_checkStateDependency(MutableStateDep);
3960	if (FAILED(hrc)) return hrc;
3961
3962	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3963
3964	if (Global::IsOnlineOrTransient(mData->mMachineState))
3965	return setError(VBOX_E_INVALID_VM_STATE,
3966	tr("Invalid machine state: %s"),
3967	Global::stringifyMachineState(mData->mMachineState));
3968
3969	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
3970	aName,
3971	aControllerPort,
3972	aDevice);
3973	if (!pAttach)
3974	return setError(VBOX_E_OBJECT_NOT_FOUND,
3975	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
3976	aDevice, aControllerPort, aName.c_str());
3977
3978
3979	i_setModified(IsModified_Storage);
3980	mMediumAttachments.backup();
3981
3982	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3983
3984	if (pAttach->i_getType() != DeviceType_HardDisk)
3985	return setError(E_INVALIDARG,
3986	tr("Setting the non-rotational medium flag rejected as the device attached to device slot %d on port %d of controller '%s' is not a hard disk"),
3987	aDevice, aControllerPort, aName.c_str());
3988	pAttach->i_updateNonRotational(!!aNonRotational);
3989
3990	return S_OK;
3991	}
3992
3993	HRESULT Machine::setAutoDiscardForDevice(const com::Utf8Str &aName, LONG aControllerPort,
3994	LONG aDevice, BOOL aDiscard)
3995	{
3996
3997	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aDiscard=%d\n",
3998	aName.c_str(), aControllerPort, aDevice, aDiscard));
3999
4000	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4001
4002	HRESULT hrc = i_checkStateDependency(MutableStateDep);
4003	if (FAILED(hrc)) return hrc;
4004
4005	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4006
4007	if (Global::IsOnlineOrTransient(mData->mMachineState))
4008	return setError(VBOX_E_INVALID_VM_STATE,
4009	tr("Invalid machine state: %s"),
4010	Global::stringifyMachineState(mData->mMachineState));
4011
4012	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4013	aName,
4014	aControllerPort,
4015	aDevice);
4016	if (!pAttach)
4017	return setError(VBOX_E_OBJECT_NOT_FOUND,
4018	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4019	aDevice, aControllerPort, aName.c_str());
4020
4021
4022	i_setModified(IsModified_Storage);
4023	mMediumAttachments.backup();
4024
4025	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4026
4027	if (pAttach->i_getType() != DeviceType_HardDisk)
4028	return setError(E_INVALIDARG,
4029	tr("Setting the discard medium flag rejected as the device attached to device slot %d on port %d of controller '%s' is not a hard disk"),
4030	aDevice, aControllerPort, aName.c_str());
4031	pAttach->i_updateDiscard(!!aDiscard);
4032
4033	return S_OK;
4034	}
4035
4036	HRESULT Machine::setHotPluggableForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4037	LONG aDevice, BOOL aHotPluggable)
4038	{
4039	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aHotPluggable=%d\n",
4040	aName.c_str(), aControllerPort, aDevice, aHotPluggable));
4041
4042	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4043
4044	HRESULT hrc = i_checkStateDependency(MutableStateDep);
4045	if (FAILED(hrc)) return hrc;
4046
4047	AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
4048
4049	if (Global::IsOnlineOrTransient(mData->mMachineState))
4050	return setError(VBOX_E_INVALID_VM_STATE,
4051	tr("Invalid machine state: %s"),
4052	Global::stringifyMachineState(mData->mMachineState));
4053
4054	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4055	aName,
4056	aControllerPort,
4057	aDevice);
4058	if (!pAttach)
4059	return setError(VBOX_E_OBJECT_NOT_FOUND,
4060	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4061	aDevice, aControllerPort, aName.c_str());
4062
4063	/* Check for an existing controller. */
4064	ComObjPtr<StorageController> ctl;
4065	hrc = i_getStorageControllerByName(aName, ctl, true /* aSetError */);
4066	if (FAILED(hrc)) return hrc;
4067
4068	StorageControllerType_T ctrlType;
4069	hrc = ctl->COMGETTER(ControllerType)(&ctrlType);
4070	if (FAILED(hrc))
4071	return setError(E_FAIL,
4072	tr("Could not get type of controller '%s'"),
4073	aName.c_str());
4074
4075	if (!i_isControllerHotplugCapable(ctrlType))
4076	return setError(VBOX_E_NOT_SUPPORTED,
4077	tr("Controller '%s' does not support changing the hot-pluggable device flag"),
4078	aName.c_str());
4079
4080	/* silently ignore attempts to modify the hot-plug status of USB devices */
4081	if (ctrlType == StorageControllerType_USB)
4082	return S_OK;
4083
4084	i_setModified(IsModified_Storage);
4085	mMediumAttachments.backup();
4086
4087	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4088
4089	if (pAttach->i_getType() == DeviceType_Floppy)
4090	return setError(E_INVALIDARG,
4091	tr("Setting the hot-pluggable device flag rejected as the device attached to device slot %d on port %d of controller '%s' is a floppy drive"),
4092	aDevice, aControllerPort, aName.c_str());
4093	pAttach->i_updateHotPluggable(!!aHotPluggable);
4094
4095	return S_OK;
4096	}
4097
4098	HRESULT Machine::setNoBandwidthGroupForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4099	LONG aDevice)
4100	{
4101	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d\n",
4102	aName.c_str(), aControllerPort, aDevice));
4103
4104	return setBandwidthGroupForDevice(aName, aControllerPort, aDevice, NULL);
4105	}
4106
4107	HRESULT Machine::setBandwidthGroupForDevice(const com::Utf8Str &aName, LONG aControllerPort,
4108	LONG aDevice, const ComPtr<IBandwidthGroup> &aBandwidthGroup)
4109	{
4110	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d\n",
4111	aName.c_str(), aControllerPort, aDevice));
4112
4113	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4114
4115	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
4116	if (FAILED(hrc)) return hrc;
4117
4118	if (Global::IsOnlineOrTransient(mData->mMachineState))
4119	return setError(VBOX_E_INVALID_VM_STATE,
4120	tr("Invalid machine state: %s"),
4121	Global::stringifyMachineState(mData->mMachineState));
4122
4123	MediumAttachment pAttach = i_findAttachment(mMediumAttachments.data(),
4124	aName,
4125	aControllerPort,
4126	aDevice);
4127	if (!pAttach)
4128	return setError(VBOX_E_OBJECT_NOT_FOUND,
4129	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4130	aDevice, aControllerPort, aName.c_str());
4131
4132
4133	i_setModified(IsModified_Storage);
4134	mMediumAttachments.backup();
4135
4136	IBandwidthGroup *iB = aBandwidthGroup;
4137	ComObjPtr<BandwidthGroup> group = static_cast<BandwidthGroup*>(iB);
4138	if (aBandwidthGroup && group.isNull())
4139	return setError(E_INVALIDARG, tr("The given bandwidth group pointer is invalid"));
4140
4141	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4142
4143	const Utf8Str strBandwidthGroupOld = pAttach->i_getBandwidthGroup();
4144	if (strBandwidthGroupOld.isNotEmpty())
4145	{
4146	/* Get the bandwidth group object and release it - this must not fail. */
4147	ComObjPtr<BandwidthGroup> pBandwidthGroupOld;
4148	hrc = i_getBandwidthGroup(strBandwidthGroupOld, pBandwidthGroupOld, false);
4149	Assert(SUCCEEDED(hrc));
4150
4151	pBandwidthGroupOld->i_release();
4152	pAttach->i_updateBandwidthGroup(Utf8Str::Empty);
4153	}
4154
4155	if (!group.isNull())
4156	{
4157	group->i_reference();
4158	pAttach->i_updateBandwidthGroup(group->i_getName());
4159	}
4160
4161	return S_OK;
4162	}
4163
4164	HRESULT Machine::attachDeviceWithoutMedium(const com::Utf8Str &aName,
4165	LONG aControllerPort,
4166	LONG aDevice,
4167	DeviceType_T aType)
4168	{
4169	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aType=%d\n",
4170	aName.c_str(), aControllerPort, aDevice, aType));
4171
4172	return attachDevice(aName, aControllerPort, aDevice, aType, NULL);
4173	}
4174
4175
4176	HRESULT Machine::unmountMedium(const com::Utf8Str &aName,
4177	LONG aControllerPort,
4178	LONG aDevice,
4179	BOOL aForce)
4180	{
4181	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d",
4182	aName.c_str(), aControllerPort, aForce));
4183
4184	return mountMedium(aName, aControllerPort, aDevice, NULL, aForce);
4185	}
4186
4187	HRESULT Machine::mountMedium(const com::Utf8Str &aName,
4188	LONG aControllerPort,
4189	LONG aDevice,
4190	const ComPtr<IMedium> &aMedium,
4191	BOOL aForce)
4192	{
4193	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d aForce=%d\n",
4194	aName.c_str(), aControllerPort, aDevice, aForce));
4195
4196	// request the host lock first, since might be calling Host methods for getting host drives;
4197	// next, protect the media tree all the while we're in here, as well as our member variables
4198	AutoMultiWriteLock3 multiLock(mParent->i_host()->lockHandle(),
4199	this->lockHandle(),
4200	&mParent->i_getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
4201
4202	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
4203	if (FAILED(hrc)) return hrc;
4204
4205	ComObjPtr<MediumAttachment> pAttach = i_findAttachment(*mMediumAttachments.data(),
4206	aName,
4207	aControllerPort,
4208	aDevice);
4209	if (pAttach.isNull())
4210	return setError(VBOX_E_OBJECT_NOT_FOUND,
4211	tr("No drive attached to device slot %d on port %d of controller '%s'"),
4212	aDevice, aControllerPort, aName.c_str());
4213
4214	/* Remember previously mounted medium. The medium before taking the
4215	* backup is not necessarily the same thing. */
4216	ComObjPtr<Medium> oldmedium;
4217	oldmedium = pAttach->i_getMedium();
4218
4219	IMedium *iM = aMedium;
4220	ComObjPtr<Medium> pMedium = static_cast<Medium*>(iM);
4221	if (aMedium && pMedium.isNull())
4222	return setError(E_INVALIDARG, tr("The given medium pointer is invalid"));
4223
4224	/* Check if potential medium is already mounted */
4225	if (pMedium == oldmedium)
4226	return S_OK;
4227
4228	AutoCaller mediumCaller(pMedium);
4229	if (FAILED(mediumCaller.hrc())) return mediumCaller.hrc();
4230
4231	AutoWriteLock mediumLock(pMedium COMMA_LOCKVAL_SRC_POS);
4232	if (pMedium)
4233	{
4234	DeviceType_T mediumType = pAttach->i_getType();
4235	switch (mediumType)
4236	{
4237	case DeviceType_DVD:
4238	case DeviceType_Floppy:
4239	break;
4240
4241	default:
4242	return setError(VBOX_E_INVALID_OBJECT_STATE,
4243	tr("The device at port %d, device %d of controller '%s' of this virtual machine is not removeable"),
4244	aControllerPort,
4245	aDevice,
4246	aName.c_str());
4247	}
4248	}
4249
4250	i_setModified(IsModified_Storage);
4251	mMediumAttachments.backup();
4252
4253	{
4254	// The backup operation makes the pAttach reference point to the
4255	// old settings. Re-get the correct reference.
4256	pAttach = i_findAttachment(*mMediumAttachments.data(),
4257	aName,
4258	aControllerPort,
4259	aDevice);
4260	if (!oldmedium.isNull())
4261	oldmedium->i_removeBackReference(mData->mUuid);
4262	if (!pMedium.isNull())
4263	{
4264	pMedium->i_addBackReference(mData->mUuid);
4265
4266	mediumLock.release();
4267	multiLock.release();
4268	i_addMediumToRegistry(pMedium);
4269	multiLock.acquire();
4270	mediumLock.acquire();
4271	}
4272
4273	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4274	pAttach->i_updateMedium(pMedium);
4275	}
4276
4277	i_setModified(IsModified_Storage);
4278
4279	mediumLock.release();
4280	multiLock.release();
4281	hrc = i_onMediumChange(pAttach, aForce);
4282	multiLock.acquire();
4283	mediumLock.acquire();
4284
4285	/* On error roll back this change only. */
4286	if (FAILED(hrc))
4287	{
4288	if (!pMedium.isNull())
4289	pMedium->i_removeBackReference(mData->mUuid);
4290	pAttach = i_findAttachment(*mMediumAttachments.data(),
4291	aName,
4292	aControllerPort,
4293	aDevice);
4294	/* If the attachment is gone in the meantime, bail out. */
4295	if (pAttach.isNull())
4296	return hrc;
4297	AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
4298	if (!oldmedium.isNull())
4299	oldmedium->i_addBackReference(mData->mUuid);
4300	pAttach->i_updateMedium(oldmedium);
4301	}
4302
4303	mediumLock.release();
4304	multiLock.release();
4305
4306	/* Save modified registries, but skip this machine as it's the caller's
4307	* job to save its settings like all other settings changes. */
4308	mParent->i_unmarkRegistryModified(i_getId());
4309	mParent->i_saveModifiedRegistries();
4310
4311	return hrc;
4312	}
4313	HRESULT Machine::getMedium(const com::Utf8Str &aName,
4314	LONG aControllerPort,
4315	LONG aDevice,
4316	ComPtr<IMedium> &aMedium)
4317	{
4318	LogFlowThisFunc(("aName=\"%s\" aControllerPort=%d aDevice=%d\n",
4319	aName.c_str(), aControllerPort, aDevice));
4320
4321	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4322
4323	aMedium = NULL;
4324
4325	ComObjPtr<MediumAttachment> pAttach = i_findAttachment(*mMediumAttachments.data(),
4326	aName,
4327	aControllerPort,
4328	aDevice);
4329	if (pAttach.isNull())
4330	return setError(VBOX_E_OBJECT_NOT_FOUND,
4331	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
4332	aDevice, aControllerPort, aName.c_str());
4333
4334	aMedium = pAttach->i_getMedium();
4335
4336	return S_OK;
4337	}
4338
4339	HRESULT Machine::getSerialPort(ULONG aSlot, ComPtr<ISerialPort> &aPort)
4340	{
4341	if (aSlot < RT_ELEMENTS(mSerialPorts))
4342	{
4343	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4344	mSerialPorts[aSlot].queryInterfaceTo(aPort.asOutParam());
4345	return S_OK;
4346	}
4347	return setError(E_INVALIDARG, tr("Serial port slot %RU32 is out of bounds (max %zu)"), aSlot, RT_ELEMENTS(mSerialPorts));
4348	}
4349
4350	HRESULT Machine::getParallelPort(ULONG aSlot, ComPtr<IParallelPort> &aPort)
4351	{
4352	if (aSlot < RT_ELEMENTS(mParallelPorts))
4353	{
4354	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4355	mParallelPorts[aSlot].queryInterfaceTo(aPort.asOutParam());
4356	return S_OK;
4357	}
4358	return setError(E_INVALIDARG, tr("Parallel port slot %RU32 is out of bounds (max %zu)"), aSlot, RT_ELEMENTS(mParallelPorts));
4359	}
4360
4361
4362	HRESULT Machine::getNetworkAdapter(ULONG aSlot, ComPtr<INetworkAdapter> &aAdapter)
4363	{
4364	/* Do not assert if slot is out of range, just return the advertised
4365	status. testdriver/vbox.py triggers this in logVmInfo. */
4366	if (aSlot >= mNetworkAdapters.size())
4367	return setError(E_INVALIDARG,
4368	tr("No network adapter in slot %RU32 (total %RU32 adapters)", "", mNetworkAdapters.size()),
4369	aSlot, mNetworkAdapters.size());
4370
4371	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4372
4373	mNetworkAdapters[aSlot].queryInterfaceTo(aAdapter.asOutParam());
4374
4375	return S_OK;
4376	}
4377
4378	HRESULT Machine::getExtraDataKeys(std::vector<com::Utf8Str> &aKeys)
4379	{
4380	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4381
4382	aKeys.resize(mData->pMachineConfigFile->mapExtraDataItems.size());
4383	size_t i = 0;
4384	for (settings::StringsMap::const_iterator
4385	it = mData->pMachineConfigFile->mapExtraDataItems.begin();
4386	it != mData->pMachineConfigFile->mapExtraDataItems.end();
4387	++it, ++i)
4388	aKeys[i] = it->first;
4389
4390	return S_OK;
4391	}
4392
4393	/**
4394	* @note Locks this object for reading.
4395	*/
4396	HRESULT Machine::getExtraData(const com::Utf8Str &aKey,
4397	com::Utf8Str &aValue)
4398	{
4399	/* start with nothing found */
4400	aValue = "";
4401
4402	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4403
4404	settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(aKey);
4405	if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
4406	// found:
4407	aValue = it->second; // source is a Utf8Str
4408
4409	/* return the result to caller (may be empty) */
4410	return S_OK;
4411	}
4412
4413	/**
4414	* @note Locks mParent for writing + this object for writing.
4415	*/
4416	HRESULT Machine::setExtraData(const com::Utf8Str &aKey, const com::Utf8Str &aValue)
4417	{
4418	/* Because control characters in aKey have caused problems in the settings
4419	* they are rejected unless the key should be deleted. */
4420	if (!aValue.isEmpty())
4421	{
4422	for (size_t i = 0; i < aKey.length(); ++i)
4423	{
4424	char ch = aKey[i];
4425	if (RTLocCIsCntrl(ch))
4426	return E_INVALIDARG;
4427	}
4428	}
4429
4430	Utf8Str strOldValue; // empty
4431
4432	// locking note: we only hold the read lock briefly to look up the old value,
4433	// then release it and call the onExtraCanChange callbacks. There is a small
4434	// chance of a race insofar as the callback might be called twice if two callers
4435	// change the same key at the same time, but that's a much better solution
4436	// than the deadlock we had here before. The actual changing of the extradata
4437	// is then performed under the write lock and race-free.
4438
4439	// look up the old value first; if nothing has changed then we need not do anything
4440	{
4441	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); // hold read lock only while looking up
4442
4443	// For snapshots don't even think about allowing changes, extradata
4444	// is global for a machine, so there is nothing snapshot specific.
4445	if (i_isSnapshotMachine())
4446	return setError(VBOX_E_INVALID_VM_STATE,
4447	tr("Cannot set extradata for a snapshot"));
4448
4449	// check if the right IMachine instance is used
4450	if (mData->mRegistered && !i_isSessionMachine())
4451	return setError(VBOX_E_INVALID_VM_STATE,
4452	tr("Cannot set extradata for an immutable machine"));
4453
4454	settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(aKey);
4455	if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
4456	strOldValue = it->second;
4457	}
4458
4459	bool fChanged;
4460	if ((fChanged = (strOldValue != aValue)))
4461	{
4462	// ask for permission from all listeners outside the locks;
4463	// i_onExtraDataCanChange() only briefly requests the VirtualBox
4464	// lock to copy the list of callbacks to invoke
4465	Bstr bstrError;
4466	if (!mParent->i_onExtraDataCanChange(mData->mUuid, aKey, aValue, bstrError))
4467	{
4468	const char *sep = bstrError.isEmpty() ? "" : ": ";
4469	Log1WarningFunc(("Someone vetoed! Change refused%s%ls\n", sep, bstrError.raw()));
4470	return setError(E_ACCESSDENIED,
4471	tr("Could not set extra data because someone refused the requested change of '%s' to '%s'%s%ls"),
4472	aKey.c_str(),
4473	aValue.c_str(),
4474	sep,
4475	bstrError.raw());
4476	}
4477
4478	// data is changing and change not vetoed: then write it out under the lock
4479	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4480
4481	if (aValue.isEmpty())
4482	mData->pMachineConfigFile->mapExtraDataItems.erase(aKey);
4483	else
4484	mData->pMachineConfigFile->mapExtraDataItems[aKey] = aValue;
4485	// creates a new key if needed
4486
4487	bool fNeedsGlobalSaveSettings = false;
4488	// This saving of settings is tricky: there is no "old state" for the
4489	// extradata items at all (unlike all other settings), so the old/new
4490	// settings comparison would give a wrong result!
4491	i_saveSettings(&fNeedsGlobalSaveSettings, alock, SaveS_Force);
4492
4493	if (fNeedsGlobalSaveSettings)
4494	{
4495	// save the global settings; for that we should hold only the VirtualBox lock
4496	alock.release();
4497	AutoWriteLock vboxlock(mParent COMMA_LOCKVAL_SRC_POS);
4498	mParent->i_saveSettings();
4499	}
4500	}
4501
4502	// fire notification outside the lock
4503	if (fChanged)
4504	mParent->i_onExtraDataChanged(mData->mUuid, aKey, aValue);
4505
4506	return S_OK;
4507	}
4508
4509	HRESULT Machine::setSettingsFilePath(const com::Utf8Str &aSettingsFilePath, ComPtr<IProgress> &aProgress)
4510	{
4511	aProgress = NULL;
4512	NOREF(aSettingsFilePath);
4513	ReturnComNotImplemented();
4514	}
4515
4516	HRESULT Machine::saveSettings()
4517	{
4518	AutoWriteLock mlock(this COMMA_LOCKVAL_SRC_POS);
4519
4520	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
4521	if (FAILED(hrc)) return hrc;
4522
4523	/* the settings file path may never be null */
4524	ComAssertRet(!mData->m_strConfigFileFull.isEmpty(), E_FAIL);
4525
4526	/* save all VM data excluding snapshots */
4527	bool fNeedsGlobalSaveSettings = false;
4528	hrc = i_saveSettings(&fNeedsGlobalSaveSettings, mlock);
4529	mlock.release();
4530
4531	if (SUCCEEDED(hrc) && fNeedsGlobalSaveSettings)
4532	{
4533	// save the global settings; for that we should hold only the VirtualBox lock
4534	AutoWriteLock vlock(mParent COMMA_LOCKVAL_SRC_POS);
4535	hrc = mParent->i_saveSettings();
4536	}
4537
4538	return hrc;
4539	}
4540
4541
4542	HRESULT Machine::discardSettings()
4543	{
4544	/*
4545	* We need to take the machine list lock here as well as the machine one
4546	* or we'll get into trouble should any media stuff require rolling back.
4547	*
4548	* Details:
4549	*
4550	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Wrong locking order! [uId=00007ff6853f6c34 thrd=ALIEN-1]
4551	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Lock: s 000000000259ef40 RTCritSectRw-3 srec=000000000259f150 cls=4-LISTOFMACHINES/any [s]
4552	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other lock: 00000000025ec710 RTCritSectRw-158 own=ALIEN-1 r=1 cls=5-MACHINEOBJECT/any pos={MachineImpl.cpp(5085) Machine::discardSettings 00007ff6853f6ce4} [x]
4553	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: class=0000000000d5eb10 4-LISTOFMACHINES created={AutoLock.cpp(98) util::InitAutoLockSystem 00007ff6853f571f} sub-class=any
4554	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: Prior: #00: 2-VIRTUALBOXOBJECT, manually , 4 lookups
4555	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: #01: 3-HOSTOBJECT, manually , 0 lookups
4556	* 11:06:01.934284 00:00:05.805182 ALIEN-1 My class: Hash Stats: 3 hits, 1 misses
4557	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: class=0000000000d5ecd0 5-MACHINEOBJECT created={AutoLock.cpp(98) util::InitAutoLockSystem 00007ff6853f571f} sub-class=any
4558	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: Prior: #00: 2-VIRTUALBOXOBJECT, manually , 2 lookups
4559	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: #01: 3-HOSTOBJECT, manually , 6 lookups
4560	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: #02: 4-LISTOFMACHINES, manually , 5 lookups
4561	* 11:06:01.934284 00:00:05.805182 ALIEN-1 Other class: Hash Stats: 10 hits, 3 misses
4562	* 11:06:01.934284 00:00:05.805182 ALIEN-1 ---- start of lock stack for 000000000259d2d0 ALIEN-1 - 2 entries ----
4563	* 11:06:01.934284 00:00:05.805182 ALIEN-1 #00: 00000000025ec710 RTCritSectRw-158 own=ALIEN-1 r=2 cls=5-MACHINEOBJECT/any pos={MachineImpl.cpp(11705) Machine::i_rollback 00007ff6853f6ce4} [x/r]
4564	* 11:06:01.934284 00:00:05.805182 ALIEN-1 #01: 00000000025ec710 RTCritSectRw-158 own=ALIEN-1 r=1 cls=5-MACHINEOBJECT/any pos={MachineImpl.cpp(5085) Machine::discardSettings 00007ff6853f6ce4} [x] (*)
4565	* 11:06:01.934284 00:00:05.805182 ALIEN-1 ---- end of lock stack ----
4566	* 0:005> k
4567	* # Child-SP RetAddr Call Site
4568	* 00 00000000`0287bc90 00007ffc`8c0bc8dc VBoxRT!rtLockValComplainPanic+0x23 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 807]
4569	* 01 00000000`0287bcc0 00007ffc`8c0bc083 VBoxRT!rtLockValidatorStackWrongOrder+0xac [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 2149]
4570	* 02 00000000`0287bd10 00007ffc`8c0bbfc3 VBoxRT!rtLockValidatorStackCheckLockingOrder2+0x93 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 2227]
4571	* 03 00000000`0287bdd0 00007ffc`8c0bf3c0 VBoxRT!rtLockValidatorStackCheckLockingOrder+0x523 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 2406]
4572	* 04 00000000`0287be40 00007ffc`8c180de4 VBoxRT!RTLockValidatorRecSharedCheckOrder+0x210 [e:\vbox\svn\trunk\src\vbox\runtime\common\misc\lockvalidator.cpp @ 3607]
4573	* 05 00000000`0287be90 00007ffc`8c1819b8 VBoxRT!rtCritSectRwEnterShared+0x1a4 [e:\vbox\svn\trunk\src\vbox\runtime\generic\critsectrw-generic.cpp @ 222]
4574	* 06 00000000`0287bf60 00007ff6`853f5e78 VBoxRT!RTCritSectRwEnterSharedDebug+0x58 [e:\vbox\svn\trunk\src\vbox\runtime\generic\critsectrw-generic.cpp @ 428]
4575	* 07 00000000`0287bfb0 00007ff6`853f6c34 VBoxSVC!util::RWLockHandle::lockRead+0x58 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 245]
4576	* 08 00000000`0287c000 00007ff6`853f68a1 VBoxSVC!util::AutoReadLock::callLockImpl+0x64 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 552]
4577	* 09 00000000`0287c040 00007ff6`853f6a59 VBoxSVC!util::AutoLockBase::callLockOnAllHandles+0xa1 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 455]
4578	* 0a 00000000`0287c0a0 00007ff6`85038fdb VBoxSVC!util::AutoLockBase::acquire+0x89 [e:\vbox\svn\trunk\src\vbox\main\glue\autolock.cpp @ 500]
4579	* 0b 00000000`0287c0d0 00007ff6`85216dcf VBoxSVC!util::AutoReadLock::AutoReadLock+0x7b [e:\vbox\svn\trunk\include\vbox\com\autolock.h @ 370]
4580	* 0c 00000000`0287c120 00007ff6`8521cf08 VBoxSVC!VirtualBox::i_findMachine+0x14f [e:\vbox\svn\trunk\src\vbox\main\src-server\virtualboximpl.cpp @ 3216]
4581	* 0d 00000000`0287c260 00007ff6`8517a4b0 VBoxSVC!VirtualBox::i_markRegistryModified+0xa8 [e:\vbox\svn\trunk\src\vbox\main\src-server\virtualboximpl.cpp @ 4697]
4582	* 0e 00000000`0287c2f0 00007ff6`8517fac0 VBoxSVC!Medium::i_markRegistriesModified+0x170 [e:\vbox\svn\trunk\src\vbox\main\src-server\mediumimpl.cpp @ 4056]
4583	* 0f 00000000`0287c500 00007ff6`8511ca9d VBoxSVC!Medium::i_deleteStorage+0xb90 [e:\vbox\svn\trunk\src\vbox\main\src-server\mediumimpl.cpp @ 5114]
4584	* 10 00000000`0287cad0 00007ff6`8511ef0e VBoxSVC!Machine::i_deleteImplicitDiffs+0x11ed [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 11117]
4585	* 11 00000000`0287d2e0 00007ff6`8511f896 VBoxSVC!Machine::i_rollbackMedia+0x42e [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 11657]
4586	* 12 00000000`0287d3c0 00007ff6`850fd17a VBoxSVC!Machine::i_rollback+0x6a6 [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 11786]
4587	* 13 00000000`0287d710 00007ff6`85342dbe VBoxSVC!Machine::discardSettings+0x9a [e:\vbox\svn\trunk\src\vbox\main\src-server\machineimpl.cpp @ 5096]
4588	* 14 00000000`0287d790 00007ffc`c06813ff VBoxSVC!MachineWrap::DiscardSettings+0x16e [e:\vbox\svn\trunk\out\win.amd64\debug\obj\vboxapiwrap\machinewrap.cpp @ 9171]
4589	*
4590	*/
4591	AutoReadLock alockMachines(mParent->i_getMachinesListLockHandle() COMMA_LOCKVAL_SRC_POS);
4592	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4593
4594	HRESULT hrc = i_checkStateDependency(MutableOrSavedOrRunningStateDep);
4595	if (FAILED(hrc)) return hrc;
4596
4597	/*
4598	* during this rollback, the session will be notified if data has
4599	* been actually changed
4600	*/
4601	i_rollback(true /* aNotify */);
4602
4603	return S_OK;
4604	}
4605
4606	/** @note Locks objects! */
4607	HRESULT Machine::unregister(AutoCaller &autoCaller,
4608	CleanupMode_T aCleanupMode,
4609	std::vector<ComPtr<IMedium> > &aMedia)
4610	{
4611	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4612
4613	Guid id(i_getId());
4614
4615	if (mData->mSession.mState != SessionState_Unlocked)
4616	return setError(VBOX_E_INVALID_OBJECT_STATE,
4617	tr("Cannot unregister the machine '%s' while it is locked"),
4618	mUserData->s.strName.c_str());
4619
4620	// wait for state dependents to drop to zero
4621	i_ensureNoStateDependencies(alock);
4622
4623	if (!mData->mAccessible)
4624	{
4625	// inaccessible machines can only be unregistered; uninitialize ourselves
4626	// here because currently there may be no unregistered that are inaccessible
4627	// (this state combination is not supported). Note releasing the caller and
4628	// leaving the lock before calling uninit()
4629	alock.release();
4630	autoCaller.release();
4631
4632	uninit();
4633
4634	mParent->i_unregisterMachine(this, CleanupMode_UnregisterOnly, id);
4635	// calls VirtualBox::i_saveSettings()
4636
4637	return S_OK;
4638	}
4639
4640	HRESULT hrc = S_OK;
4641	mData->llFilesToDelete.clear();
4642
4643	if (!mSSData->strStateFilePath.isEmpty())
4644	mData->llFilesToDelete.push_back(mSSData->strStateFilePath);
4645
4646	Utf8Str strNVRAMFile = mNvramStore->i_getNonVolatileStorageFile();
4647	if (!strNVRAMFile.isEmpty() && RTFileExists(strNVRAMFile.c_str()))
4648	mData->llFilesToDelete.push_back(strNVRAMFile);
4649
4650	// This list collects the medium objects from all medium attachments
4651	// which we will detach from the machine and its snapshots, in a specific
4652	// order which allows for closing all media without getting "media in use"
4653	// errors, simply by going through the list from the front to the back:
4654	// 1) first media from machine attachments (these have the "leaf" attachments with snapshots
4655	// and must be closed before the parent media from the snapshots, or closing the parents
4656	// will fail because they still have children);
4657	// 2) media from the youngest snapshots followed by those from the parent snapshots until
4658	// the root ("first") snapshot of the machine.
4659	MediaList llMedia;
4660
4661	if ( !mMediumAttachments.isNull() // can be NULL if machine is inaccessible
4662	&& mMediumAttachments->size()
4663	)
4664	{
4665	// we have media attachments: detach them all and add the Medium objects to our list
4666	i_detachAllMedia(alock, NULL /* pSnapshot */, aCleanupMode, llMedia);
4667	}
4668
4669	if (mData->mFirstSnapshot)
4670	{
4671	// add the media from the medium attachments of the snapshots to
4672	// llMedia as well, after the "main" machine media;
4673	// Snapshot::uninitAll() calls Machine::detachAllMedia() for each
4674	// snapshot machine, depth first.
4675
4676	// Snapshot::beginDeletingSnapshot() asserts if the machine state is not this
4677	MachineState_T oldState = mData->mMachineState;
4678	mData->mMachineState = MachineState_DeletingSnapshot;
4679
4680	// make a copy of the first snapshot reference so the refcount does not
4681	// drop to 0 in beginDeletingSnapshot, which sets pFirstSnapshot to 0
4682	// (would hang due to the AutoCaller voodoo)
4683	ComObjPtr<Snapshot> pFirstSnapshot = mData->mFirstSnapshot;
4684
4685	// GO!
4686	pFirstSnapshot->i_uninitAll(alock, aCleanupMode, llMedia, mData->llFilesToDelete);
4687
4688	mData->mMachineState = oldState;
4689	}
4690
4691	if (FAILED(hrc))
4692	{
4693	i_rollbackMedia();
4694	return hrc;
4695	}
4696
4697	// commit all the media changes made above
4698	i_commitMedia();
4699
4700	mData->mRegistered = false;
4701
4702	// machine lock no longer needed
4703	alock.release();
4704
4705	/* Make sure that the settings of the current VM are not saved, because
4706	* they are rather crippled at this point to meet the cleanup expectations
4707	* and there's no point destroying the VM config on disk just because. */
4708	mParent->i_unmarkRegistryModified(id);
4709
4710	// return media to caller
4711	aMedia.resize(llMedia.size());
4712	size_t i = 0;
4713	for (MediaList::const_iterator
4714	it = llMedia.begin();
4715	it != llMedia.end();
4716	++it, ++i)
4717	(*it).queryInterfaceTo(aMedia[i].asOutParam());
4718
4719	mParent->i_unregisterMachine(this, aCleanupMode, id);
4720	// calls VirtualBox::i_saveSettings() and VirtualBox::saveModifiedRegistries()
4721
4722	return S_OK;
4723	}
4724
4725	/**
4726	* Task record for deleting a machine config.
4727	*/
4728	class Machine::DeleteConfigTask
4729	: public Machine::Task
4730	{
4731	public:
4732	DeleteConfigTask(Machine *m,
4733	Progress *p,
4734	const Utf8Str &t,
4735	const RTCList<ComPtr<IMedium> > &llMedia,
4736	const StringsList &llFilesToDelete)
4737	: Task(m, p, t),
4738	m_llMedia(llMedia),
4739	m_llFilesToDelete(llFilesToDelete)
4740	{}
4741
4742	private:
4743	void handler()
4744	{
4745	try
4746	{
4747	m_pMachine->i_deleteConfigHandler(*this);
4748	}
4749	catch (...)
4750	{
4751	LogRel(("Some exception in the function Machine::i_deleteConfigHandler()\n"));
4752	}
4753	}
4754
4755	RTCList<ComPtr<IMedium> > m_llMedia;
4756	StringsList m_llFilesToDelete;
4757
4758	friend void Machine::i_deleteConfigHandler(DeleteConfigTask &task);
4759	};
4760
4761	/**
4762	* Task thread implementation for SessionMachine::DeleteConfig(), called from
4763	* SessionMachine::taskHandler().
4764	*
4765	* @note Locks this object for writing.
4766	*
4767	* @param task
4768	*/
4769	void Machine::i_deleteConfigHandler(DeleteConfigTask &task)
4770	{
4771	LogFlowThisFuncEnter();
4772
4773	AutoCaller autoCaller(this);
4774	LogFlowThisFunc(("state=%d\n", getObjectState().getState()));
4775	if (FAILED(autoCaller.hrc()))
4776	{
4777	/* we might have been uninitialized because the session was accidentally
4778	* closed by the client, so don't assert */
4779	HRESULT hrc = setError(E_FAIL, tr("The session has been accidentally closed"));
4780	task.m_pProgress->i_notifyComplete(hrc);
4781	LogFlowThisFuncLeave();
4782	return;
4783	}
4784
4785	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4786
4787	HRESULT hrc;
4788	try
4789	{
4790	ULONG uLogHistoryCount = 3;
4791	ComPtr<ISystemProperties> systemProperties;
4792	hrc = mParent->COMGETTER(SystemProperties)(systemProperties.asOutParam());
4793	if (FAILED(hrc)) throw hrc;
4794
4795	if (!systemProperties.isNull())
4796	{
4797	hrc = systemProperties->COMGETTER(LogHistoryCount)(&uLogHistoryCount);
4798	if (FAILED(hrc)) throw hrc;
4799	}
4800
4801	MachineState_T oldState = mData->mMachineState;
4802	i_setMachineState(MachineState_SettingUp);
4803	alock.release();
4804	for (size_t i = 0; i < task.m_llMedia.size(); ++i)
4805	{
4806	ComObjPtr<Medium> pMedium = (Medium)(IMedium)(task.m_llMedia.at(i));
4807	{
4808	AutoCaller mac(pMedium);
4809	if (FAILED(mac.hrc())) throw mac.hrc();
4810	Utf8Str strLocation = pMedium->i_getLocationFull();
4811	LogFunc(("Deleting file %s\n", strLocation.c_str()));
4812	hrc = task.m_pProgress->SetNextOperation(BstrFmt(tr("Deleting '%s'"), strLocation.c_str()).raw(), 1);
4813	if (FAILED(hrc)) throw hrc;
4814	}
4815	if (pMedium->i_isMediumFormatFile())
4816	{
4817	ComPtr<IProgress> pProgress2;
4818	hrc = pMedium->DeleteStorage(pProgress2.asOutParam());
4819	if (FAILED(hrc)) throw hrc;
4820	hrc = task.m_pProgress->WaitForOtherProgressCompletion(pProgress2, 0 /* indefinite wait */);
4821	if (FAILED(hrc)) throw hrc;
4822	}
4823
4824	/* Close the medium, deliberately without checking the return
4825	* code, and without leaving any trace in the error info, as
4826	* a failure here is a very minor issue, which shouldn't happen
4827	* as above we even managed to delete the medium. */
4828	{
4829	ErrorInfoKeeper eik;
4830	pMedium->Close();
4831	}
4832	}
4833	i_setMachineState(oldState);
4834	alock.acquire();
4835
4836	// delete the files pushed on the task list by Machine::Delete()
4837	// (this includes saved states of the machine and snapshots and
4838	// medium storage files from the IMedium list passed in, and the
4839	// machine XML file)
4840	for (StringsList::const_iterator
4841	it = task.m_llFilesToDelete.begin();
4842	it != task.m_llFilesToDelete.end();
4843	++it)
4844	{
4845	const Utf8Str &strFile = *it;
4846	LogFunc(("Deleting file %s\n", strFile.c_str()));
4847	hrc = task.m_pProgress->SetNextOperation(BstrFmt(tr("Deleting '%s'"), it->c_str()).raw(), 1);
4848	if (FAILED(hrc)) throw hrc;
4849	i_deleteFile(strFile);
4850	}
4851
4852	hrc = task.m_pProgress->SetNextOperation(Bstr(tr("Cleaning up machine directory")).raw(), 1);
4853	if (FAILED(hrc)) throw hrc;
4854
4855	/* delete the settings only when the file actually exists */
4856	if (mData->pMachineConfigFile->fileExists())
4857	{
4858	/* Delete any backup or uncommitted XML files. Ignore failures.
4859	See the fSafe parameter of xml::XmlFileWriter::write for details. */
4860	/** @todo Find a way to avoid referring directly to iprt/xml.h here. */
4861	Utf8StrFmt otherXml("%s%s", mData->m_strConfigFileFull.c_str(), xml::XmlFileWriter::s_pszTmpSuff);
4862	i_deleteFile(otherXml, true /* fIgnoreFailures */);
4863	otherXml.printf("%s%s", mData->m_strConfigFileFull.c_str(), xml::XmlFileWriter::s_pszPrevSuff);
4864	i_deleteFile(otherXml, true /* fIgnoreFailures */);
4865
4866	/* delete the Logs folder, nothing important should be left
4867	* there (we don't check for errors because the user might have
4868	* some private files there that we don't want to delete) */
4869	Utf8Str logFolder;
4870	getLogFolder(logFolder);
4871	Assert(logFolder.length());
4872	if (RTDirExists(logFolder.c_str()))
4873	{
4874	/* Delete all VBox.log[.N] files from the Logs folder
4875	* (this must be in sync with the rotation logic in
4876	* Console::powerUpThread()). Also, delete the VBox.png[.N]
4877	* files that may have been created by the GUI. */
4878	Utf8StrFmt log("%s%cVBox.log", logFolder.c_str(), RTPATH_DELIMITER);
4879	i_deleteFile(log, true /* fIgnoreFailures */);
4880	log.printf("%s%cVBox.png", logFolder.c_str(), RTPATH_DELIMITER);
4881	i_deleteFile(log, true /* fIgnoreFailures */);
4882	for (ULONG i = uLogHistoryCount; i > 0; i--)
4883	{
4884	log.printf("%s%cVBox.log.%u", logFolder.c_str(), RTPATH_DELIMITER, i);
4885	i_deleteFile(log, true /* fIgnoreFailures */);
4886	log.printf("%s%cVBox.png.%u", logFolder.c_str(), RTPATH_DELIMITER, i);
4887	i_deleteFile(log, true /* fIgnoreFailures */);
4888	}
4889	log.printf("%s%cVBoxUI.log", logFolder.c_str(), RTPATH_DELIMITER);
4890	i_deleteFile(log, true /* fIgnoreFailures */);
4891	#if defined(RT_OS_WINDOWS)
4892	log.printf("%s%cVBoxStartup.log", logFolder.c_str(), RTPATH_DELIMITER);
4893	i_deleteFile(log, true /* fIgnoreFailures */);
4894	log.printf("%s%cVBoxHardening.log", logFolder.c_str(), RTPATH_DELIMITER);
4895	i_deleteFile(log, true /* fIgnoreFailures */);
4896	#endif
4897
4898	RTDirRemove(logFolder.c_str());
4899	}
4900
4901	/* delete the Snapshots folder, nothing important should be left
4902	* there (we don't check for errors because the user might have
4903	* some private files there that we don't want to delete) */
4904	Utf8Str strFullSnapshotFolder;
4905	i_calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
4906	Assert(!strFullSnapshotFolder.isEmpty());
4907	if (RTDirExists(strFullSnapshotFolder.c_str()))
4908	RTDirRemove(strFullSnapshotFolder.c_str());
4909
4910	// delete the directory that contains the settings file, but only
4911	// if it matches the VM name
4912	Utf8Str settingsDir;
4913	if (i_isInOwnDir(&settingsDir))
4914	RTDirRemove(settingsDir.c_str());
4915	}
4916
4917	alock.release();
4918
4919	mParent->i_saveModifiedRegistries();
4920	}
4921	catch (HRESULT hrcXcpt)
4922	{
4923	hrc = hrcXcpt;
4924	}
4925
4926	task.m_pProgress->i_notifyComplete(hrc);
4927
4928	LogFlowThisFuncLeave();
4929	}
4930
4931	HRESULT Machine::deleteConfig(const std::vector<ComPtr<IMedium> > &aMedia, ComPtr<IProgress> &aProgress)
4932	{
4933	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4934
4935	HRESULT hrc = i_checkStateDependency(MutableStateDep);
4936	if (FAILED(hrc)) return hrc;
4937
4938	if (mData->mRegistered)
4939	return setError(VBOX_E_INVALID_VM_STATE,
4940	tr("Cannot delete settings of a registered machine"));
4941
4942	// collect files to delete
4943	StringsList llFilesToDelete(mData->llFilesToDelete); // saved states and NVRAM files pushed here by Unregister()
4944	// machine config file
4945	if (mData->pMachineConfigFile->fileExists())
4946	llFilesToDelete.push_back(mData->m_strConfigFileFull);
4947	// backup of machine config file
4948	Utf8Str strTmp(mData->m_strConfigFileFull);
4949	strTmp.append("-prev");
4950	if (RTFileExists(strTmp.c_str()))
4951	llFilesToDelete.push_back(strTmp);
4952
4953	RTCList<ComPtr<IMedium> > llMedia;
4954	for (size_t i = 0; i < aMedia.size(); ++i)
4955	{
4956	IMedium *pIMedium(aMedia[i]);
4957	ComObjPtr<Medium> pMedium = static_cast<Medium*>(pIMedium);
4958	if (pMedium.isNull())
4959	return setError(E_INVALIDARG, tr("The given medium pointer with index %d is invalid"), i);
4960	SafeArray<BSTR> ids;
4961	hrc = pMedium->COMGETTER(MachineIds)(ComSafeArrayAsOutParam(ids));
4962	if (FAILED(hrc)) return hrc;
4963	/* At this point the medium should not have any back references
4964	* anymore. If it has it is attached to another VM and must not
4965	* deleted. */
4966	if (ids.size() < 1)
4967	llMedia.append(pMedium);
4968	}
4969
4970	ComObjPtr<Progress> pProgress;
4971	pProgress.createObject();
4972	hrc = pProgress->init(i_getVirtualBox(),
4973	static_cast<IMachine>(this) / aInitiator */,
4974	tr("Deleting files"),
4975	true /* fCancellable */,
4976	(ULONG)(1 + llMedia.size() + llFilesToDelete.size() + 1), // cOperations
4977	tr("Collecting file inventory"));
4978	if (FAILED(hrc))
4979	return hrc;
4980
4981	/* create and start the task on a separate thread (note that it will not
4982	* start working until we release alock) */
4983	DeleteConfigTask *pTask = new DeleteConfigTask(this, pProgress, "DeleteVM", llMedia, llFilesToDelete);
4984	hrc = pTask->createThread();
4985	pTask = NULL;
4986	if (FAILED(hrc))
4987	return hrc;
4988
4989	pProgress.queryInterfaceTo(aProgress.asOutParam());
4990
4991	LogFlowFuncLeave();
4992
4993	return S_OK;
4994	}
4995
4996	HRESULT Machine::findSnapshot(const com::Utf8Str &aNameOrId, ComPtr<ISnapshot> &aSnapshot)
4997	{
4998	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4999
5000	ComObjPtr<Snapshot> pSnapshot;
5001	HRESULT hrc;
5002
5003	if (aNameOrId.isEmpty())
5004	// null case (caller wants root snapshot): i_findSnapshotById() handles this
5005	hrc = i_findSnapshotById(Guid(), pSnapshot, true /* aSetError */);
5006	else
5007	{
5008	Guid uuid(aNameOrId);
5009	if (uuid.isValid())
5010	hrc = i_findSnapshotById(uuid, pSnapshot, true /* aSetError */);
5011	else
5012	hrc = i_findSnapshotByName(aNameOrId, pSnapshot, true /* aSetError */);
5013	}
5014	pSnapshot.queryInterfaceTo(aSnapshot.asOutParam());
5015
5016	return hrc;
5017	}
5018
5019	HRESULT Machine::createSharedFolder(const com::Utf8Str &aName, const com::Utf8Str &aHostPath, BOOL aWritable,
5020	BOOL aAutomount, const com::Utf8Str &aAutoMountPoint)
5021	{
5022	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5023
5024	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
5025	if (FAILED(hrc)) return hrc;
5026
5027	ComObjPtr<SharedFolder> sharedFolder;
5028	hrc = i_findSharedFolder(aName, sharedFolder, false /* aSetError */);
5029	if (SUCCEEDED(hrc))
5030	return setError(VBOX_E_OBJECT_IN_USE,
5031	tr("Shared folder named '%s' already exists"),
5032	aName.c_str());
5033
5034	sharedFolder.createObject();
5035	hrc = sharedFolder->init(i_getMachine(),
5036	aName,
5037	aHostPath,
5038	!!aWritable,
5039	!!aAutomount,
5040	aAutoMountPoint,
5041	true /* fFailOnError */);
5042	if (FAILED(hrc)) return hrc;
5043
5044	i_setModified(IsModified_SharedFolders);
5045	mHWData.backup();
5046	mHWData->mSharedFolders.push_back(sharedFolder);
5047
5048	/* inform the direct session if any */
5049	alock.release();
5050	i_onSharedFolderChange();
5051
5052	return S_OK;
5053	}
5054
5055	HRESULT Machine::removeSharedFolder(const com::Utf8Str &aName)
5056	{
5057	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5058
5059	HRESULT hrc = i_checkStateDependency(MutableOrRunningStateDep);
5060	if (FAILED(hrc)) return hrc;
5061
5062	ComObjPtr<SharedFolder> sharedFolder;
5063	hrc = i_findSharedFolder(aName, sharedFolder, true /* aSetError */);
5064	if (FAILED(hrc)) return hrc;
5065
5066	i_setModified(IsModified_SharedFolders);
5067	mHWData.backup();
5068	mHWData->mSharedFolders.remove(sharedFolder);
5069
5070	/* inform the direct session if any */
5071	alock.release();
5072	i_onSharedFolderChange();
5073
5074	return S_OK;
5075	}
5076
5077	HRESULT Machine::canShowConsoleWindow(BOOL *aCanShow)
5078	{
5079	/* start with No */
5080	*aCanShow = FALSE;
5081
5082	ComPtr<IInternalSessionControl> directControl;
5083	{
5084	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5085
5086	if (mData->mSession.mState != SessionState_Locked)
5087	return setError(VBOX_E_INVALID_VM_STATE,
5088	tr("Machine is not locked for session (session state: %s)"),
5089	Global::stringifySessionState(mData->mSession.mState));
5090
5091	if (mData->mSession.mLockType == LockType_VM)
5092	directControl = mData->mSession.mDirectControl;
5093	}
5094
5095	/* ignore calls made after #OnSessionEnd() is called */
5096	if (!directControl)
5097	return S_OK;
5098
5099	LONG64 dummy;
5100	return directControl->OnShowWindow(TRUE /* aCheck */, aCanShow, &dummy);
5101	}
5102
5103	HRESULT Machine::showConsoleWindow(LONG64 *aWinId)
5104	{
5105	ComPtr<IInternalSessionControl> directControl;
5106	{
5107	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5108
5109	if (mData->mSession.mState != SessionState_Locked)
5110	return setError(E_FAIL,
5111	tr("Machine is not locked for session (session state: %s)"),
5112	Global::stringifySessionState(mData->mSession.mState));
5113
5114	if (mData->mSession.mLockType == LockType_VM)
5115	directControl = mData->mSession.mDirectControl;
5116	}
5117
5118	/* ignore calls made after #OnSessionEnd() is called */
5119	if (!directControl)
5120	return S_OK;
5121
5122	BOOL dummy;
5123	return directControl->OnShowWindow(FALSE /* aCheck */, &dummy, aWinId);
5124	}
5125
5126	#ifdef VBOX_WITH_GUEST_PROPS
5127	/**
5128	* Look up a guest property in VBoxSVC's internal structures.
5129	*/
5130	HRESULT Machine::i_getGuestPropertyFromService(const com::Utf8Str &aName,
5131	com::Utf8Str &aValue,
5132	LONG64 *aTimestamp,
5133	com::Utf8Str &aFlags) const
5134	{
5135	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5136
5137	HWData::GuestPropertyMap::const_iterator it = mHWData->mGuestProperties.find(aName);
5138	if (it != mHWData->mGuestProperties.end())
5139	{
5140	char szFlags[GUEST_PROP_MAX_FLAGS_LEN + 1];
5141	aValue = it->second.strValue;
5142	*aTimestamp = it->second.mTimestamp;
5143	GuestPropWriteFlags(it->second.mFlags, szFlags);
5144	aFlags = Utf8Str(szFlags);
5145	}
5146
5147	return S_OK;
5148	}
5149
5150	/**
5151	* Query the VM that a guest property belongs to for the property.
5152	* @returns E_ACCESSDENIED if the VM process is not available or not
5153	* currently handling queries and the lookup should then be done in
5154	* VBoxSVC.
5155	*/
5156	HRESULT Machine::i_getGuestPropertyFromVM(const com::Utf8Str &aName,
5157	com::Utf8Str &aValue,
5158	LONG64 *aTimestamp,
5159	com::Utf8Str &aFlags) const
5160	{
5161	HRESULT hrc = S_OK;
5162	Bstr bstrValue;
5163	Bstr bstrFlags;
5164
5165	ComPtr<IInternalSessionControl> directControl;
5166	{
5167	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5168	if (mData->mSession.mLockType == LockType_VM)
5169	directControl = mData->mSession.mDirectControl;
5170	}
5171
5172	/* ignore calls made after #OnSessionEnd() is called */
5173	if (!directControl)
5174	hrc = E_ACCESSDENIED;
5175	else
5176	hrc = directControl->AccessGuestProperty(Bstr(aName).raw(), Bstr::Empty.raw(), Bstr::Empty.raw(),
5177	0 /* accessMode */,
5178	bstrValue.asOutParam(), aTimestamp, bstrFlags.asOutParam());
5179
5180	aValue = bstrValue;
5181	aFlags = bstrFlags;
5182
5183	return hrc;
5184	}
5185	#endif // VBOX_WITH_GUEST_PROPS
5186
5187	HRESULT Machine::getGuestProperty(const com::Utf8Str &aName,
5188	com::Utf8Str &aValue,
5189	LONG64 *aTimestamp,
5190	com::Utf8Str &aFlags)
5191	{
5192	#ifndef VBOX_WITH_GUEST_PROPS
5193	ReturnComNotImplemented();
5194	#else // VBOX_WITH_GUEST_PROPS
5195
5196	HRESULT hrc = i_getGuestPropertyFromVM(aName, aValue, aTimestamp, aFlags);
5197
5198	if (hrc == E_ACCESSDENIED)
5199	/* The VM is not running or the service is not (yet) accessible */
5200	hrc = i_getGuestPropertyFromService(aName, aValue, aTimestamp, aFlags);
5201	return hrc;
5202	#endif // VBOX_WITH_GUEST_PROPS
5203	}
5204
5205	HRESULT Machine::getGuestPropertyValue(const com::Utf8Str &aProperty, com::Utf8Str &aValue)
5206	{
5207	LONG64 dummyTimestamp;
5208	com::Utf8Str dummyFlags;
5209	return getGuestProperty(aProperty, aValue, &dummyTimestamp, dummyFlags);
5210
5211	}
5212	HRESULT Machine::getGuestPropertyTimestamp(const com::Utf8Str &aProperty, LONG64 *aValue)
5213	{
5214	com::Utf8Str dummyFlags;
5215	com::Utf8Str dummyValue;
5216	return getGuestProperty(aProperty, dummyValue, aValue, dummyFlags);
5217	}
5218
5219	#ifdef VBOX_WITH_GUEST_PROPS
5220	/**
5221	* Set a guest property in VBoxSVC's internal structures.
5222	*/
5223	HRESULT Machine::i_setGuestPropertyToService(const com::Utf8Str &aName, const com::Utf8Str &aValue,
5224	const com::Utf8Str &aFlags, bool fDelete)
5225	{
5226	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5227	HRESULT hrc = i_checkStateDependency(MutableOrSavedStateDep);
5228	if (FAILED(hrc)) return hrc;
5229
5230	try
5231	{
5232	uint32_t fFlags = GUEST_PROP_F_NILFLAG;
5233	if (aFlags.length() && RT_FAILURE(GuestPropValidateFlags(aFlags.c_str(), &fFlags)))
5234	return setError(E_INVALIDARG, tr("Invalid guest property flag values: '%s'"), aFlags.c_str());
5235
5236	if (fFlags & (GUEST_PROP_F_TRANSIENT \| GUEST_PROP_F_TRANSRESET))
5237	return setError(E_INVALIDARG, tr("Properties with TRANSIENT or TRANSRESET flag cannot be set or modified if VM is not running"));
5238
5239	HWData::GuestPropertyMap::iterator it = mHWData->mGuestProperties.find(aName);
5240	if (it == mHWData->mGuestProperties.end())
5241	{
5242	if (!fDelete)
5243	{
5244	i_setModified(IsModified_MachineData);
5245	mHWData.backupEx();
5246
5247	RTTIMESPEC time;
5248	HWData::GuestProperty prop;
5249	prop.strValue = aValue;
5250	prop.mTimestamp = RTTimeSpecGetNano(RTTimeNow(&time));
5251	prop.mFlags = fFlags;
5252	mHWData->mGuestProperties[aName] = prop;
5253	}
5254	}
5255	else
5256	{
5257	if (it->second.mFlags & (GUEST_PROP_F_RDONLYHOST))
5258	{
5259	hrc = setError(E_ACCESSDENIED, tr("The property '%s' cannot be changed by the host"), aName.c_str());
5260	}
5261	else
5262	{
5263	i_setModified(IsModified_MachineData);
5264	mHWData.backupEx();
5265
5266	/* The backupEx() operation invalidates our iterator,
5267	* so get a new one. */
5268	it = mHWData->mGuestProperties.find(aName);
5269	Assert(it != mHWData->mGuestProperties.end());
5270
5271	if (!fDelete)
5272	{
5273	RTTIMESPEC time;
5274	it->second.strValue = aValue;
5275	it->second.mTimestamp = RTTimeSpecGetNano(RTTimeNow(&time));
5276	it->second.mFlags = fFlags;
5277	}
5278	else
5279	mHWData->mGuestProperties.erase(it);
5280	}
5281	}
5282
5283	if (SUCCEEDED(hrc))
5284	{
5285	alock.release();
5286
5287	mParent->i_onGuestPropertyChanged(mData->mUuid, aName, aValue, aFlags, fDelete);
5288	}
5289	}
5290	catch (std::bad_alloc &)
5291	{
5292	hrc = E_OUTOFMEMORY;
5293	}
5294
5295	return hrc;
5296	}
5297
5298	/**
5299	* Set a property on the VM that that property belongs to.
5300	* @returns E_ACCESSDENIED if the VM process is not available or not
5301	* currently handling queries and the setting should then be done in
5302	* VBoxSVC.
5303	*/
5304	HRESULT Machine::i_setGuestPropertyToVM(const com::Utf8Str &aName, const com::Utf8Str &aValue,
5305	const com::Utf8Str &aFlags, bool fDelete)
5306	{
5307	HRESULT hrc;
5308
5309	try
5310	{
5311	ComPtr<IInternalSessionControl> directControl;
5312	{
5313	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5314	if (mData->mSession.mLockType == LockType_VM)
5315	directControl = mData->mSession.mDirectControl;
5316	}
5317
5318	Bstr dummy1; /* will not be changed (setter) */
5319	Bstr dummy2; /* will not be changed (setter) */
5320	LONG64 dummy64;
5321	if (!directControl)
5322	hrc = E_ACCESSDENIED;
5323	else
5324	/** @todo Fix when adding DeleteGuestProperty(), see defect. */
5325	hrc = directControl->AccessGuestProperty(Bstr(aName).raw(), Bstr(aValue).raw(), Bstr(aFlags).raw(),
5326	fDelete ? 2 : 1 /* accessMode */,
5327	dummy1.asOutParam(), &dummy64, dummy2.asOutParam());
5328	}
5329	catch (std::bad_alloc &)
5330	{
5331	hrc = E_OUTOFMEMORY;
5332	}
5333
5334	return hrc;
5335	}
5336	#endif // VBOX_WITH_GUEST_PROPS
5337
5338	HRESULT Machine::setGuestProperty(const com::Utf8Str &aProperty, const com::Utf8Str &aValue,
5339	const com::Utf8Str &aFlags)
5340	{
5341	#ifndef VBOX_WITH_GUEST_PROPS
5342	ReturnComNotImplemented();
5343	#else // VBOX_WITH_GUEST_PROPS
5344
5345	int vrc = GuestPropValidateName(aProperty.c_str(), aProperty.length() + 1 /* '\0' */);
5346	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG, vrc));
5347
5348	vrc = GuestPropValidateValue(aValue.c_str(), aValue.length() + 1 /* '\0' */);
5349	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG, vrc));
5350
5351	HRESULT hrc = i_setGuestPropertyToVM(aProperty, aValue, aFlags, /* fDelete = */ false);
5352	if (hrc == E_ACCESSDENIED)
5353	/* The VM is not running or the service is not (yet) accessible */
5354	hrc = i_setGuestPropertyToService(aProperty, aValue, aFlags, /* fDelete = */ false);
5355	return hrc;
5356	#endif // VBOX_WITH_GUEST_PROPS
5357	}
5358
5359	HRESULT Machine::setGuestPropertyValue(const com::Utf8Str &aProperty, const com::Utf8Str &aValue)
5360	{
5361	return setGuestProperty(aProperty, aValue, "");
5362	}
5363
5364	HRESULT Machine::deleteGuestProperty(const com::Utf8Str &aName)
5365	{
5366	#ifndef VBOX_WITH_GUEST_PROPS
5367	ReturnComNotImplemented();
5368	#else // VBOX_WITH_GUEST_PROPS
5369	HRESULT hrc = i_setGuestPropertyToVM(aName, "", "", /* fDelete = */ true);
5370	if (hrc == E_ACCESSDENIED)
5371	/* The VM is not running or the service is not (yet) accessible */
5372	hrc = i_setGuestPropertyToService(aName, "", "", /* fDelete = */ true);
5373	return hrc;
5374	#endif // VBOX_WITH_GUEST_PROPS
5375	}
5376
5377	#ifdef VBOX_WITH_GUEST_PROPS
5378	/**
5379	* Enumerate the guest properties in VBoxSVC's internal structures.
5380	*/
5381	HRESULT Machine::i_enumerateGuestPropertiesInService(const com::Utf8Str &aPatterns,
5382	std::vector<com::Utf8Str> &aNames,
5383	std::vector<com::Utf8Str> &aValues,
5384	std::vector<LONG64> &aTimestamps,
5385	std::vector<com::Utf8Str> &aFlags)
5386	{
5387	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5388	Utf8Str strPatterns(aPatterns);
5389
5390	/*
5391	* Look for matching patterns and build up a list.
5392	*/
5393	HWData::GuestPropertyMap propMap;
5394	for (HWData::GuestPropertyMap::const_iterator
5395	it = mHWData->mGuestProperties.begin();
5396	it != mHWData->mGuestProperties.end();
5397	++it)
5398	{
5399	if ( strPatterns.isEmpty()
5400	\|\| RTStrSimplePatternMultiMatch(strPatterns.c_str(),
5401	RTSTR_MAX,
5402	it->first.c_str(),
5403	RTSTR_MAX,
5404	NULL)
5405	)
5406	propMap.insert(*it);
5407	}
5408
5409	alock.release();
5410
5411	/*
5412	* And build up the arrays for returning the property information.
5413	*/
5414	size_t cEntries = propMap.size();
5415
5416	aNames.resize(cEntries);
5417	aValues.resize(cEntries);
5418	aTimestamps.resize(cEntries);
5419	aFlags.resize(cEntries);
5420
5421	size_t i = 0;
5422	for (HWData::GuestPropertyMap::const_iterator
5423	it = propMap.begin();
5424	it != propMap.end();
5425	++it, ++i)
5426	{
5427	aNames[i] = it->first;
5428	int vrc = GuestPropValidateName(aNames[i].c_str(), aNames[i].length() + 1 /* '\0' */);
5429	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG /bad choice for internal error/, vrc));
5430
5431	aValues[i] = it->second.strValue;
5432	vrc = GuestPropValidateValue(aValues[i].c_str(), aValues[i].length() + 1 /* '\0' */);
5433	AssertRCReturn(vrc, setErrorBoth(E_INVALIDARG /bad choice for internal error/, vrc));
5434
5435	aTimestamps[i] = it->second.mTimestamp;
5436
5437	char szFlags[GUEST_PROP_MAX_FLAGS_LEN + 1];
5438	GuestPropWriteFlags(it->second.mFlags, szFlags);
5439	aFlags[i] = szFlags;
5440	}
5441
5442	return S_OK;
5443	}
5444
5445	/**
5446	* Enumerate the properties managed by a VM.
5447	* @returns E_ACCESSDENIED if the VM process is not available or not
5448	* currently handling queries and the setting should then be done in
5449	* VBoxSVC.
5450	*/
5451	HRESULT Machine::i_enumerateGuestPropertiesOnVM(const com::Utf8Str &aPatterns,
5452	std::vector<com::Utf8Str> &aNames,
5453	std::vector<com::Utf8Str> &aValues,
5454	std::vector<LONG64> &aTimestamps,
5455	std::vector<com::Utf8Str> &aFlags)
5456	{
5457	HRESULT hrc;
5458	ComPtr<IInternalSessionControl> directControl;
5459	{
5460	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5461	if (mData->mSession.mLockType == LockType_VM)
5462	directControl = mData->mSession.mDirectControl;
5463	}
5464
5465	com::SafeArray<BSTR> bNames;
5466	com::SafeArray<BSTR> bValues;
5467	com::SafeArray<LONG64> bTimestamps;
5468	com::SafeArray<BSTR> bFlags;
5469
5470	if (!directControl)
5471	hrc = E_ACCESSDENIED;
5472	else
5473	hrc = directControl->EnumerateGuestProperties(Bstr(aPatterns).raw(),
5474	ComSafeArrayAsOutParam(bNames),
5475	ComSafeArrayAsOutParam(bValues),
5476	ComSafeArrayAsOutParam(bTimestamps),
5477	ComSafeArrayAsOutParam(bFlags));
5478	size_t i;
5479	aNames.resize(bNames.size());
5480	for (i = 0; i < bNames.size(); ++i)
5481	aNames[i] = Utf8Str(bNames[i]);
5482	aValues.resize(bValues.size());
5483	for (i = 0; i < bValues.size(); ++i)
5484	aValues[i] = Utf8Str(bValues[i]);
5485	aTimestamps.resize(bTimestamps.size());
5486	for (i = 0; i < bTimestamps.size(); ++i)
5487	aTimestamps[i] = bTimestamps[i];
5488	aFlags.resize(bFlags.size());
5489	for (i = 0; i < bFlags.size(); ++i)
5490	aFlags[i] = Utf8Str(bFlags[i]);
5491
5492	return hrc;
5493	}
5494	#endif // VBOX_WITH_GUEST_PROPS
5495	HRESULT Machine::enumerateGuestProperties(const com::Utf8Str &aPatterns,
5496	std::vector<com::Utf8Str> &aNames,
5497	std::vector<com::Utf8Str> &aValues,
5498	std::vector<LONG64> &aTimestamps,
5499	std::vector<com::Utf8Str> &aFlags)
5500	{
5501	#ifndef VBOX_WITH_GUEST_PROPS
5502	ReturnComNotImplemented();
5503	#else // VBOX_WITH_GUEST_PROPS
5504
5505	HRESULT hrc = i_enumerateGuestPropertiesOnVM(aPatterns, aNames, aValues, aTimestamps, aFlags);
5506
5507	if (hrc == E_ACCESSDENIED)
5508	/* The VM is not running or the service is not (yet) accessible */
5509	hrc = i_enumerateGuestPropertiesInService(aPatterns, aNames, aValues, aTimestamps, aFlags);
5510	return hrc;
5511	#endif // VBOX_WITH_GUEST_PROPS
5512	}
5513
5514	HRESULT Machine::getMediumAttachmentsOfController(const com::Utf8Str &aName,
5515	std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments)
5516	{
5517	MediumAttachmentList atts;
5518
5519	HRESULT hrc = i_getMediumAttachmentsOfController(aName, atts);
5520	if (FAILED(hrc)) return hrc;
5521
5522	aMediumAttachments.resize(atts.size());
5523	size_t i = 0;
5524	for (MediumAttachmentList::const_iterator
5525	it = atts.begin();
5526	it != atts.end();
5527	++it, ++i)
5528	(*it).queryInterfaceTo(aMediumAttachments[i].asOutParam());
5529
5530	return S_OK;
5531	}
5532
5533	HRESULT Machine::getMediumAttachment(const com::Utf8Str &aName,
5534	LONG aControllerPort,
5535	LONG aDevice,
5536	ComPtr<IMediumAttachment> &aAttachment)
5537	{
5538	LogFlowThisFunc(("aControllerName=\"%s\" aControllerPort=%d aDevice=%d\n",
5539	aName.c_str(), aControllerPort, aDevice));
5540
5541	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5542
5543	aAttachment = NULL;
5544
5545	ComObjPtr<MediumAttachment> pAttach = i_findAttachment(*mMediumAttachments.data(),
5546	aName,
5547	aControllerPort,
5548	aDevice);
5549	if (pAttach.isNull())
5550	return setError(VBOX_E_OBJECT_NOT_FOUND,
5551	tr("No storage device attached to device slot %d on port %d of controller '%s'"),
5552	aDevice, aControllerPort, aName.c_str());
5553
5554	pAttach.queryInterfaceTo(aAttachment.asOutParam());
5555
5556	return S_OK;
5557	}
5558
5559
5560	HRESULT Machine::addStorageController(const com::Utf8Str &aName,
5561	StorageBus_T aConnectionType,
5562	ComPtr<IStorageController> &aController)
5563	{
5564