VISO.cpp@ 103598

Last change on this file since 103598 was 103435, checked in by vboxsync, 9 months ago
Storage/{VISO.cpp,ISCSI.cpp}: Verify that there is a config interface before using it, bugref:3409
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 40.7 KB

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1	/* $Id: VISO.cpp 103435 2024-02-19 12:45:14Z vboxsync $ */
2	/** @file
3	* VISO - Virtual ISO disk image, Core Code.
4	*/
5
6	/*
7	* Copyright (C) 2017-2023 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
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_VD
33	#include <VBox/vd-plugin.h>
34	#include <VBox/err.h>
35
36	#include <VBox/log.h>
37	#include <iprt/assert.h>
38	#include <iprt/ctype.h>
39	#include <iprt/fsisomaker.h>
40	#include <iprt/getopt.h>
41	#include <iprt/mem.h>
42	#include <iprt/path.h>
43	#include <iprt/string.h>
44	#include <iprt/uuid.h>
45
46	#include "VDBackends.h"
47	#include "VDBackendsInline.h"
48
49
50	/*********************************************************************************************************************************
51	* Defined Constants And Macros *
52	*********************************************************************************************************************************/
53	/** The maximum file size. */
54	#if ARCH_BITS >= 64
55	# define VISO_MAX_FILE_SIZE _32M
56	#else
57	# define VISO_MAX_FILE_SIZE _8M
58	#endif
59
60
61	/*********************************************************************************************************************************
62	* Structures and Typedefs *
63	*********************************************************************************************************************************/
64
65	/**
66	* VBox ISO maker image instance.
67	*/
68	typedef struct VISOIMAGE
69	{
70	/** The ISO maker output file handle.
71	* This is NIL if in VD_OPEN_FLAGS_INFO mode. */
72	RTVFSFILE hIsoFile;
73	/** The image size. */
74	uint64_t cbImage;
75	/** The UUID ofr the image. */
76	RTUUID Uuid;
77
78	/** Open flags passed by VD layer. */
79	uint32_t fOpenFlags;
80	/** Image name. Allocation follows the region list, no need to free. */
81	const char *pszFilename;
82	/** The parent director of pszFilename.
83	* Allocation follows the region list, no need to free. */
84	const char *pszCwd;
85
86	/** I/O interface. */
87	PVDINTERFACEIOINT pIfIo;
88	/** Error interface. */
89	PVDINTERFACEERROR pIfError;
90
91	/** Internal region list (variable size). */
92	VDREGIONLIST RegionList;
93	} VISOIMAGE;
94	/** Pointer to an VBox ISO make image instance. */
95	typedef VISOIMAGE *PVISOIMAGE;
96
97
98	/*********************************************************************************************************************************
99	* Global Variables *
100	*********************************************************************************************************************************/
101	/** NULL-terminated array of supported file extensions. */
102	static const VDFILEEXTENSION g_aVBoXIsoMakerFileExtensions[] =
103	{
104	//{ "vbox-iso-maker", VDTYPE_OPTICAL_DISC }, - clumsy.
105	{ "viso", VDTYPE_OPTICAL_DISC },
106	{ NULL, VDTYPE_INVALID }
107	};
108
109	/** NULL-terminated array of configuration option. */
110	static const VDCONFIGINFO s_aVisoConfigInfo[] =
111	{
112	/* Options for VMDK raw disks */
113	{ "UnattendedInstall", NULL, VDCFGVALUETYPE_STRING, VD_CFGKEY_EXPERT },
114	/* End of options list */
115	{ NULL, NULL, VDCFGVALUETYPE_INTEGER, 0 }
116	};
117
118	/**
119	* Parses the UUID that follows the marker argument.
120	*
121	* @returns IPRT status code.
122	* @param pszMarker The marker.
123	* @param pUuid Where to return the UUID.
124	*/
125	static int visoParseUuid(char *pszMarker, PRTUUID pUuid)
126	{
127	/* Skip the marker. */
128	char ch;
129	while ( (ch = *pszMarker) != '\0'
130	&& !RT_C_IS_SPACE(ch)
131	&& ch != ':'
132	&& ch != '=')
133	pszMarker++;
134
135	/* Skip chars before the value. */
136	if ( ch == ':'
137	\|\| ch == '=')
138	ch = *++pszMarker;
139	else
140	while (RT_C_IS_SPACE(ch))
141	ch = *++pszMarker;
142	const char * const pszUuid = pszMarker;
143
144	/* Find the end of the UUID value. */
145	while ( ch != '\0'
146	&& !RT_C_IS_SPACE(ch))
147	ch = *++pszMarker;
148
149	/* Validate the value (temporarily terminate the value string) */
150	*pszMarker = '\0';
151	int rc = RTUuidFromStr(pUuid, pszUuid);
152	if (RT_SUCCESS(rc))
153	{
154	*pszMarker = ch;
155	return VINF_SUCCESS;
156	}
157
158	/* Complain and return VERR_VD_IMAGE_CORRUPTED to indicate we've identified
159	the right image format, but the producer got something wrong. */
160	if (pszUuid != pszMarker)
161	LogRel(("visoParseUuid: Malformed UUID '%s': %Rrc\n", pszUuid, rc));
162	else
163	LogRel(("visoParseUuid: Empty/missing UUID!\n"));
164	*pszMarker = ch;
165
166	return VERR_VD_IMAGE_CORRUPTED;
167	}
168
169
170	static int visoProbeWorker(const char *pszFilename, PVDINTERFACEIOINT pIfIo, PRTUUID pUuid)
171	{
172	PVDIOSTORAGE pStorage = NULL;
173	int rc = vdIfIoIntFileOpen(pIfIo, pszFilename, RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE, &pStorage);
174	if (RT_SUCCESS(rc))
175	{
176	/*
177	* Read the first part of the file.
178	*/
179	uint64_t cbFile = 0;
180	rc = vdIfIoIntFileGetSize(pIfIo, pStorage, &cbFile);
181	if (RT_SUCCESS(rc))
182	{
183	char szChunk[_1K];
184	size_t cbToRead = (size_t)RT_MIN(sizeof(szChunk) - 1, cbFile);
185	rc = vdIfIoIntFileReadSync(pIfIo, pStorage, 0 /off/, szChunk, cbToRead);
186	if (RT_SUCCESS(rc))
187	{
188	szChunk[cbToRead] = '\0';
189
190	/*
191	* Skip leading spaces and check for the eye-catcher.
192	*/
193	char *psz = szChunk;
194	while (RT_C_IS_SPACE(*psz))
195	psz++;
196	if (strncmp(psz, RT_STR_TUPLE("--iprt-iso-maker-file-marker")) == 0)
197	{
198	rc = visoParseUuid(psz, pUuid);
199	if (RT_SUCCESS(rc))
200	{
201	/*
202	* Check the file size.
203	*/
204	if (cbFile <= VISO_MAX_FILE_SIZE)
205	rc = VINF_SUCCESS;
206	else
207	{
208	LogRel(("visoProbeWorker: VERR_VD_INVALID_SIZE - cbFile=%#RX64 cbMaxFile=%#RX64\n",
209	cbFile, (uint64_t)VISO_MAX_FILE_SIZE));
210	rc = VERR_VD_INVALID_SIZE;
211	}
212	}
213	else
214	rc = VERR_VD_IMAGE_CORRUPTED;
215	}
216	else
217	rc = VERR_VD_GEN_INVALID_HEADER;
218	}
219	}
220	vdIfIoIntFileClose(pIfIo, pStorage);
221	}
222	LogFlowFunc(("returns %Rrc\n", rc));
223	return rc;
224	}
225
226	/**
227	* @interface_method_impl{VDIMAGEBACKEND,pfnProbe}
228	*/
229	static DECLCALLBACK(int) visoProbe(const char *pszFilename, PVDINTERFACE pVDIfsDisk, PVDINTERFACE pVDIfsImage,
230	VDTYPE enmDesiredType, VDTYPE *penmType)
231	{
232	/*
233	* Validate input.
234	*/
235	AssertPtrReturn(penmType, VERR_INVALID_POINTER);
236	*penmType = VDTYPE_INVALID;
237
238	AssertPtrReturn(pszFilename, VERR_INVALID_POINTER);
239	AssertReturn(*pszFilename, VERR_INVALID_POINTER);
240
241	PVDINTERFACEIOINT pIfIo = VDIfIoIntGet(pVDIfsImage);
242	AssertPtrReturn(pIfIo, VERR_INVALID_PARAMETER);
243
244	RT_NOREF(pVDIfsDisk);
245
246	/*
247	* We can only fake DVD stuff, so fail if the desired type doesn't match up
248	*/
249	if (enmDesiredType != VDTYPE_OPTICAL_DISC && enmDesiredType != VDTYPE_INVALID)
250	return VERR_VD_GEN_INVALID_HEADER; /* Caller has strict, though undocument, status code expectations. */
251
252	/*
253	* Share worker with visoOpen and visoSetFlags.
254	*/
255	RTUUID UuidIgn;
256	int rc = visoProbeWorker(pszFilename, pIfIo, &UuidIgn);
257	if (RT_SUCCESS(rc))
258	*penmType = VDTYPE_OPTICAL_DISC;
259	else if (rc == VERR_VD_IMAGE_CORRUPTED \|\| rc == VERR_VD_INVALID_SIZE)
260	*penmType = VDTYPE_OPTICAL_DISC;
261	else
262	rc = VERR_VD_GEN_INVALID_HEADER; /* Caller has strict, though undocument, status code expectations. */
263
264	LogFlowFunc(("returns %Rrc - penmType=%d\n", rc, penmType));
265	return rc;
266	}
267
268
269	/**
270	* Worker for visoOpen and visoSetOpenFlags that creates a VFS file for the ISO.
271	*
272	* This also updates cbImage and the Uuid members.
273	*
274	* @returns VBox status code.
275	* @param pThis The VISO image instance.
276	*/
277	static int visoOpenWorker(PVISOIMAGE pThis)
278	{
279	/*
280	* Open the file and read it into memory.
281	*/
282	PVDIOSTORAGE pStorage = NULL;
283	int rc = vdIfIoIntFileOpen(pThis->pIfIo, pThis->pszFilename, RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE, &pStorage);
284	if (RT_FAILURE(rc))
285	{
286	LogRel(("VISO: Unable to open file '%s': %Rrc\n", pThis->pszFilename, rc));
287	return rc;
288	}
289
290	LogRel(("VISO: Handling file '%s'\n", pThis->pszFilename));
291
292	/*
293	* Read the file into memory, prefixing it with a dummy command name.
294	*/
295	uint64_t cbFile = 0;
296	rc = vdIfIoIntFileGetSize(pThis->pIfIo, pStorage, &cbFile);
297	if (RT_SUCCESS(rc))
298	{
299	if (cbFile <= VISO_MAX_FILE_SIZE)
300	{
301	static char const s_szCmdPrefix[] = "VBox-Iso-Maker ";
302
303	char pszContent = (char )RTMemTmpAlloc(sizeof(s_szCmdPrefix) + cbFile);
304	if (pszContent)
305	{
306	char *pszReadDst = &pszContent[sizeof(s_szCmdPrefix) - 1];
307	rc = vdIfIoIntFileReadSync(pThis->pIfIo, pStorage, 0 /off/, pszReadDst, (size_t)cbFile);
308	if (RT_SUCCESS(rc))
309	{
310	/*
311	* Check the file marker and get the UUID that follows it.
312	* Ignore leading blanks.
313	*/
314	pszReadDst[(size_t)cbFile] = '\0';
315	memcpy(pszContent, s_szCmdPrefix, sizeof(s_szCmdPrefix) - 1);
316
317	while (RT_C_IS_SPACE(*pszReadDst))
318	pszReadDst++;
319	if (strncmp(pszReadDst, RT_STR_TUPLE("--iprt-iso-maker-file-marker")) == 0)
320	{
321	rc = visoParseUuid(pszReadDst, &pThis->Uuid);
322	if (RT_SUCCESS(rc))
323	{
324	/*
325	* Make sure it's valid UTF-8 before letting
326	*/
327	rc = RTStrValidateEncodingEx(pszContent, sizeof(s_szCmdPrefix) + cbFile,
328	RTSTR_VALIDATE_ENCODING_EXACT_LENGTH
329	\| RTSTR_VALIDATE_ENCODING_ZERO_TERMINATED);
330	if (RT_SUCCESS(rc))
331	{
332	/*
333	* Convert it into an argument vector.
334	* Free the content afterwards to reduce memory pressure.
335	*/
336	uint32_t fGetOpt = strncmp(pszReadDst, RT_STR_TUPLE("--iprt-iso-maker-file-marker-ms")) != 0
337	? RTGETOPTARGV_CNV_QUOTE_BOURNE_SH : RTGETOPTARGV_CNV_QUOTE_MS_CRT;
338	fGetOpt \|= RTGETOPTARGV_CNV_MODIFY_INPUT;
339	char **papszArgs;
340	int cArgs;
341	rc = RTGetOptArgvFromString(&papszArgs, &cArgs, pszContent, fGetOpt, NULL);
342
343	if (RT_SUCCESS(rc))
344	{
345	/*
346	* Open the parent directory and use that as CWD for relative references.
347	*/
348	RTVFSDIR hVfsCwd;
349	rc = RTVfsChainOpenDir(pThis->pszCwd, 0 /fOpen/, &hVfsCwd, NULL, NULL);
350	if (RT_SUCCESS(rc))
351	{
352	/*
353	* Try instantiate the ISO image maker.
354	* Free the argument vector afterward to reduce memory pressure.
355	*/
356	RTVFSFILE hVfsFile;
357	RTERRINFOSTATIC ErrInfo;
358	rc = RTFsIsoMakerCmdEx(cArgs, papszArgs, hVfsCwd, pThis->pszCwd,
359	&hVfsFile, RTErrInfoInitStatic(&ErrInfo));
360
361	RTVfsDirRelease(hVfsCwd);
362
363	RTGetOptArgvFreeEx(papszArgs, fGetOpt);
364	papszArgs = NULL;
365
366	if (RT_SUCCESS(rc))
367	{
368	uint64_t cbImage;
369	rc = RTVfsFileQuerySize(hVfsFile, &cbImage);
370	if (RT_SUCCESS(rc))
371	{
372	/*
373	* Update the state.
374	*/
375	pThis->cbImage = cbImage;
376	pThis->RegionList.aRegions[0].cRegionBlocksOrBytes = cbImage;
377
378	pThis->hIsoFile = hVfsFile;
379	hVfsFile = NIL_RTVFSFILE;
380
381	rc = VINF_SUCCESS;
382	LogRel(("VISO: %'RU64 bytes (%#RX64) - %s\n", cbImage, cbImage, pThis->pszFilename));
383	}
384
385	RTVfsFileRelease(hVfsFile);
386	}
387	else if (RTErrInfoIsSet(&ErrInfo.Core))
388	{
389	LogRel(("visoOpenWorker: RTFsIsoMakerCmdEx failed: %Rrc - %s\n", rc, ErrInfo.Core.pszMsg));
390	vdIfError(pThis->pIfError, rc, RT_SRC_POS, "VISO: %s", ErrInfo.Core.pszMsg);
391	}
392	else
393	{
394	LogRel(("visoOpenWorker: RTFsIsoMakerCmdEx failed: %Rrc\n", rc));
395	vdIfError(pThis->pIfError, rc, RT_SRC_POS, "VISO: RTFsIsoMakerCmdEx failed: %Rrc", rc);
396	}
397	}
398	else
399	vdIfError(pThis->pIfError, rc, RT_SRC_POS,
400	"VISO: Failed to open parent dir of: %s", pThis->pszFilename);
401	}
402	else
403	vdIfError(pThis->pIfError, rc, RT_SRC_POS, "VISO: RTGetOptArgvFromString failed: %Rrc", rc);
404	}
405	else
406	vdIfError(pThis->pIfError, rc, RT_SRC_POS, "VISO: Invalid file encoding");
407	}
408	else
409	vdIfError(pThis->pIfError, rc, RT_SRC_POS, "VISO: Parsing UUID failed: %Rrc", rc);
410	}
411	else
412	rc = VERR_VD_GEN_INVALID_HEADER;
413	}
414	else
415	vdIfError(pThis->pIfError, rc, RT_SRC_POS, "VISO: Reading file failed: %Rrc", rc);
416
417	RTMemTmpFree(pszContent);
418	}
419	else
420	rc = VERR_NO_TMP_MEMORY;
421	}
422	else
423	{
424	LogRel(("visoOpen: VERR_VD_INVALID_SIZE - cbFile=%#RX64 cbMaxFile=%#RX64\n",
425	cbFile, (uint64_t)VISO_MAX_FILE_SIZE));
426	rc = VERR_VD_INVALID_SIZE;
427	}
428	}
429
430	if (RT_FAILURE(rc))
431	LogRel(("VISO: Handling of file '%s' failed with %Rrc\n", pThis->pszFilename, rc));
432
433	vdIfIoIntFileClose(pThis->pIfIo, pStorage);
434	return rc;
435	}
436
437
438	/**
439	* @interface_method_impl{VDIMAGEBACKEND,pfnOpen}
440	*/
441	static DECLCALLBACK(int) visoOpen(const char *pszFilename, unsigned uOpenFlags, PVDINTERFACE pVDIfsDisk, PVDINTERFACE pVDIfsImage,
442	VDTYPE enmType, void **ppBackendData)
443	{
444	uint32_t const fOpenFlags = uOpenFlags;
445	LogFlowFunc(("pszFilename='%s' fOpenFlags=%#x pVDIfsDisk=%p pVDIfsImage=%p enmType=%u ppBackendData=%p\n",
446	pszFilename, fOpenFlags, pVDIfsDisk, pVDIfsImage, enmType, ppBackendData));
447
448	/*
449	* Validate input.
450	*/
451	AssertPtrReturn(ppBackendData, VERR_INVALID_POINTER);
452	*ppBackendData = NULL;
453
454	AssertPtrReturn(pszFilename, VERR_INVALID_POINTER);
455	AssertReturn(*pszFilename, VERR_INVALID_POINTER);
456
457	AssertReturn(!(fOpenFlags & ~VD_OPEN_FLAGS_MASK), VERR_INVALID_FLAGS);
458
459	PVDINTERFACEIOINT pIfIo = VDIfIoIntGet(pVDIfsImage);
460	AssertPtrReturn(pIfIo, VERR_INVALID_PARAMETER);
461
462	PVDINTERFACEERROR pIfError = VDIfErrorGet(pVDIfsDisk);
463
464	AssertReturn(enmType == VDTYPE_OPTICAL_DISC, VERR_NOT_SUPPORTED);
465
466	/*
467	* Allocate and initialize the backend image instance data.
468	*/
469	int rc;
470	size_t cbFilename = strlen(pszFilename) + 1;
471	PVISOIMAGE pThis = (PVISOIMAGE)RTMemAllocZ(RT_UOFFSETOF(VISOIMAGE, RegionList.aRegions[1]) + cbFilename * 2);
472	if (pThis)
473	{
474	pThis->hIsoFile = NIL_RTVFSFILE;
475	pThis->cbImage = 0;
476	pThis->fOpenFlags = fOpenFlags;
477	pThis->pIfIo = pIfIo;
478	pThis->pIfError = pIfError;
479
480	pThis->RegionList.fFlags = 0;
481	pThis->RegionList.cRegions = 1;
482	pThis->RegionList.aRegions[0].offRegion = 0;
483	pThis->RegionList.aRegions[0].cRegionBlocksOrBytes = 0;
484	pThis->RegionList.aRegions[0].cbBlock = 2048;
485	pThis->RegionList.aRegions[0].enmDataForm = VDREGIONDATAFORM_RAW;
486	pThis->RegionList.aRegions[0].enmMetadataForm = VDREGIONMETADATAFORM_NONE;
487	pThis->RegionList.aRegions[0].cbData = 2048;
488	pThis->RegionList.aRegions[0].cbMetadata = 0;
489
490	char pszDst = (char )&pThis->RegionList.aRegions[1];
491	memcpy(pszDst, pszFilename, cbFilename);
492	pThis->pszFilename = pszDst;
493	pszDst[cbFilename - 1] = '\0';
494	pszDst += cbFilename;
495
496	memcpy(pszDst, pszFilename, cbFilename);
497	pThis->pszCwd = pszDst;
498	pszDst[cbFilename - 1] = '\0';
499	RTPathStripFilename(pszDst);
500
501	/*
502	* Only go all the way if this isn't an info query. Re-mastering an ISO
503	* can potentially be a lot of work and we don't want to go thru with it
504	* just because the GUI wants to display the image size.
505	*/
506	if (!(fOpenFlags & VD_OPEN_FLAGS_INFO))
507	rc = visoOpenWorker(pThis);
508	else
509	rc = visoProbeWorker(pThis->pszFilename, pThis->pIfIo, &pThis->Uuid);
510	if (RT_SUCCESS(rc))
511	{
512	*ppBackendData = pThis;
513	LogFlowFunc(("returns VINF_SUCCESS (UUID=%RTuuid, pszFilename=%s)\n", &pThis->Uuid, pThis->pszFilename));
514	return VINF_SUCCESS;
515	}
516
517	RTMemFree(pThis);
518	}
519	else
520	rc = VERR_NO_MEMORY;
521	LogFlowFunc(("returns %Rrc\n", rc));
522	return rc;
523	}
524
525	/**
526	* Scans the VISO file and removes all references to files
527	* which are in the same folder as the VISO and
528	* whose names begin with "Unattended-".
529	*
530	* @return VBox status code.
531	*
532	* @param pThis Pointer to VISO backend data.
533	*/
534	static int deleteReferences(PVISOIMAGE pThis)
535	{
536	/*
537	* Open the file and read it into memory.
538	*/
539	PVDIOSTORAGE pStorage = NULL;
540	int vrc = vdIfIoIntFileOpen(pThis->pIfIo, pThis->pszFilename, RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE, &pStorage);
541	if (RT_FAILURE(vrc))
542	{
543	LogRel(("VISO: Unable to open file '%s': %Rrc\n", pThis->pszFilename, vrc));
544	return vrc;
545	}
546
547	LogRel(("VISO: Handling file '%s' references\n", pThis->pszFilename));
548
549	/*
550	* Read the file into memory.
551	*/
552	uint64_t cbFile = 0;
553	vrc = vdIfIoIntFileGetSize(pThis->pIfIo, pStorage, &cbFile);
554	if (RT_SUCCESS(vrc))
555	{
556	if (cbFile <= VISO_MAX_FILE_SIZE)
557	{
558	char pszContent = (char )RTMemTmpAlloc(cbFile + 1);
559	if (pszContent)
560	{
561	vrc = vdIfIoIntFileReadSync(pThis->pIfIo, pStorage, 0 /off/, pszContent, (size_t)cbFile);
562	if (RT_SUCCESS(vrc))
563	{
564	/*
565	* Check the file marker.
566	* Ignore leading blanks.
567	*/
568	pszContent[(size_t)cbFile] = '\0';
569
570	char *pszReadDst = pszContent;
571	while (RT_C_IS_SPACE(*pszReadDst))
572	pszReadDst++;
573	if (strncmp(pszReadDst, RT_STR_TUPLE("--iprt-iso-maker-file-marker")) == 0)
574	{
575	vrc = visoParseUuid(pszReadDst, &pThis->Uuid);
576	if (RT_SUCCESS(vrc))
577	{
578	/*
579	* Make sure it's valid UTF-8 before letting
580	*/
581	vrc = RTStrValidateEncodingEx(pszContent, cbFile + 1,
582	RTSTR_VALIDATE_ENCODING_EXACT_LENGTH
583	\| RTSTR_VALIDATE_ENCODING_ZERO_TERMINATED);
584	if (RT_SUCCESS(vrc))
585	{
586	/*
587	* Convert it into an argument vector.
588	* Free the content afterwards to reduce memory pressure.
589	*/
590	uint32_t fGetOpt = strncmp(pszReadDst, RT_STR_TUPLE("--iprt-iso-maker-file-marker-ms")) != 0
591	? RTGETOPTARGV_CNV_QUOTE_BOURNE_SH : RTGETOPTARGV_CNV_QUOTE_MS_CRT;
592	fGetOpt \|= RTGETOPTARGV_CNV_MODIFY_INPUT;
593	char **papszArgs;
594	int cArgs;
595	vrc = RTGetOptArgvFromString(&papszArgs, &cArgs, pszContent, fGetOpt, NULL);
596
597	if (RT_SUCCESS(vrc))
598	{
599	for (int i = 0; i < cArgs; ++i)
600	{
601	char *pszArg = papszArgs[i];
602	char *pszOffset = strrchr(pszArg, '=');
603	if (pszOffset != NULL)
604	pszArg = pszOffset + 1;
605
606	/* if it isn't option */
607	if (pszArg[0] != '-')
608	{
609	char *pszPath = RTPathAbsExDup(pThis->pszCwd, pszArg, 0);
610	if (RTStrStartsWith((const char *)pszPath, pThis->pszCwd))
611	{
612	char *pszFileName = RTPathFilename(pszPath);
613	if ( pszFileName != NULL
614	&& RTStrStartsWith((const char *)pszFileName, "Unattended-"))
615	{
616	vrc = RTFileDelete(pszPath);
617	if (RT_SUCCESS(vrc))
618	LogRel(("VISO: file '%s' deleted\n", pszPath));
619	else
620	LogRel(("VISO: Failed to delete the file '%s' (%Rrc)\n", pszPath, vrc));
621	vrc = VINF_SUCCESS;
622	}
623	}
624	RTStrFree(pszPath);
625	}
626	}
627	RTGetOptArgvFreeEx(papszArgs, fGetOpt);
628	papszArgs = NULL;
629	}
630	else
631	vdIfError(pThis->pIfError, vrc, RT_SRC_POS, "VISO: RTGetOptArgvFromString failed: %Rrc", vrc);
632	}
633	else
634	vdIfError(pThis->pIfError, vrc, RT_SRC_POS, "VISO: Invalid file encoding");
635	}
636	else
637	vdIfError(pThis->pIfError, vrc, RT_SRC_POS, "VISO: Parsing UUID failed: %Rrc", vrc);
638	}
639	else
640	vrc = VERR_VD_GEN_INVALID_HEADER;
641	}
642	else
643	vdIfError(pThis->pIfError, vrc, RT_SRC_POS, "VISO: Reading file failed: %Rrc", vrc);
644
645	RTMemTmpFree(pszContent);
646	}
647	else
648	vrc = VERR_NO_TMP_MEMORY;
649	}
650	else
651	{
652	LogRel(("visoOpen: VERR_VD_INVALID_SIZE - cbFile=%#RX64 cbMaxFile=%#RX64\n",
653	cbFile, (uint64_t)VISO_MAX_FILE_SIZE));
654	vrc = VERR_VD_INVALID_SIZE;
655	}
656	}
657	if (RT_FAILURE(vrc))
658	LogRel(("VISO: Handling of file '%s' failed with %Rrc\n", pThis->pszFilename, vrc));
659
660	vdIfIoIntFileClose(pThis->pIfIo, pStorage);
661	return vrc;
662	}
663
664	/**
665	* @interface_method_impl{VDIMAGEBACKEND,pfnClose}
666	*/
667	static DECLCALLBACK(int) visoClose(void *pBackendData, bool fDelete)
668	{
669	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
670	LogFlowFunc(("pThis=%p fDelete=%RTbool\n", pThis, fDelete));
671
672	if (pThis)
673	{
674	if (fDelete)
675	{
676	PVDINTERFACECONFIG pImgCfg = VDIfConfigGet(&pThis->pIfIo->Core);
677	if (pImgCfg)
678	{
679	bool fUnattendedInstall = false;
680	int vrc = VDCFGQueryBool(pImgCfg, "UnattendedInstall", &fUnattendedInstall);
681
682	/*
683	* The VISO created by unattended installer, so delete all generated files
684	* included in the VISO. the file is considered generated if it is located
685	* in the same folder as VISO and its name begins with "Unattended-"
686	*/
687	if (RT_SUCCESS(vrc) && fUnattendedInstall)
688	deleteReferences(pThis);
689	}
690
691	vdIfIoIntFileDelete(pThis->pIfIo, pThis->pszFilename);
692	}
693
694	if (pThis->hIsoFile != NIL_RTVFSFILE)
695	{
696	RTVfsFileRelease(pThis->hIsoFile);
697	pThis->hIsoFile = NIL_RTVFSFILE;
698	}
699
700	RTMemFree(pThis);
701	}
702
703	LogFlowFunc(("returns VINF_SUCCESS\n"));
704	return VINF_SUCCESS;
705	}
706
707	/**
708	* @interface_method_impl{VDIMAGEBACKEND,pfnRead}
709	*/
710	static DECLCALLBACK(int) visoRead(void pBackendData, uint64_t uOffset, size_t cbToRead, PVDIOCTX pIoCtx, size_t pcbActuallyRead)
711	{
712	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
713	uint64_t off = uOffset;
714	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
715	AssertReturn(pThis->hIsoFile != NIL_RTVFSFILE, VERR_VD_NOT_OPENED);
716	LogFlowFunc(("pThis=%p off=%#RX64 cbToRead=%#zx pIoCtx=%p pcbActuallyRead=%p\n", pThis, off, cbToRead, pIoCtx, pcbActuallyRead));
717
718	/*
719	* Check request.
720	*/
721	AssertReturn( off < pThis->cbImage
722	\|\| (off == pThis->cbImage && cbToRead == 0), VERR_EOF);
723
724	uint64_t cbLeftInImage = pThis->cbImage - off;
725	if (cbToRead >= cbLeftInImage)
726	cbToRead = cbLeftInImage; /* ASSUMES the caller can deal with this, given the pcbActuallyRead parameter... */
727
728	/*
729	* Work the I/O context using vdIfIoIntIoCtxSegArrayCreate.
730	*/
731	int rc = VINF_SUCCESS;
732	size_t cbActuallyRead = 0;
733	while (cbToRead > 0)
734	{
735	RTSGSEG Seg;
736	unsigned cSegs = 1;
737	size_t cbThisRead = vdIfIoIntIoCtxSegArrayCreate(pThis->pIfIo, pIoCtx, &Seg, &cSegs, cbToRead);
738	AssertBreakStmt(cbThisRead != 0, rc = VERR_INTERNAL_ERROR_2);
739	Assert(cbThisRead == Seg.cbSeg);
740
741	rc = RTVfsFileReadAt(pThis->hIsoFile, off, Seg.pvSeg, cbThisRead, NULL);
742	AssertRCBreak(rc);
743
744	/* advance. */
745	cbActuallyRead += cbThisRead;
746	off += cbThisRead;
747	cbToRead -= cbThisRead;
748	}
749
750	*pcbActuallyRead = cbActuallyRead;
751	return rc;
752	}
753
754	/**
755	* @interface_method_impl{VDIMAGEBACKEND,pfnWrite}
756	*/
757	static DECLCALLBACK(int) visoWrite(void *pBackendData, uint64_t uOffset, size_t cbToWrite,
758	PVDIOCTX pIoCtx, size_t pcbWriteProcess, size_t pcbPreRead,
759	size_t *pcbPostRead, unsigned fWrite)
760	{
761	RT_NOREF(uOffset, cbToWrite, pIoCtx, pcbWriteProcess, pcbPreRead, pcbPostRead, fWrite);
762	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
763	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
764	AssertReturn(pThis->hIsoFile != NIL_RTVFSFILE, VERR_VD_NOT_OPENED);
765	LogFlowFunc(("pThis=%p off=%#RX64 pIoCtx=%p cbToWrite=%#zx pcbWriteProcess=%p pcbPreRead=%p pcbPostRead=%p -> VERR_VD_IMAGE_READ_ONLY\n",
766	pThis, uOffset, pIoCtx, cbToWrite, pcbWriteProcess, pcbPreRead, pcbPostRead));
767	return VERR_VD_IMAGE_READ_ONLY;
768	}
769
770	/**
771	* @interface_method_impl{VDIMAGEBACKEND,pfnFlush}
772	*/
773	static DECLCALLBACK(int) visoFlush(void *pBackendData, PVDIOCTX pIoCtx)
774	{
775	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
776	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
777	AssertReturn(pThis->hIsoFile != NIL_RTVFSFILE, VERR_VD_NOT_OPENED);
778	RT_NOREF(pIoCtx);
779	return VINF_SUCCESS;
780	}
781
782	/**
783	* @interface_method_impl{VDIMAGEBACKEND,pfnGetVersion}
784	*/
785	static DECLCALLBACK(unsigned) visoGetVersion(void *pBackendData)
786	{
787	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
788	AssertPtrReturn(pThis, 0);
789	LogFlowFunc(("pThis=%#p -> 1\n", pThis));
790	return 1;
791	}
792
793	/**
794	* @interface_method_impl{VDIMAGEBACKEND,pfnGetFileSize}
795	*/
796	static DECLCALLBACK(uint64_t) visoGetFileSize(void *pBackendData)
797	{
798	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
799	AssertPtrReturn(pThis, 0);
800	LogFlowFunc(("pThis=%p -> %RX64 (%s)\n", pThis, pThis->cbImage, pThis->hIsoFile == NIL_RTVFSFILE ? "fake!" : "real"));
801	return pThis->cbImage;
802	}
803
804	/**
805	* @interface_method_impl{VDIMAGEBACKEND,pfnGetPCHSGeometry}
806	*/
807	static DECLCALLBACK(int) visoGetPCHSGeometry(void *pBackendData, PVDGEOMETRY pPCHSGeometry)
808	{
809	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
810	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
811	LogFlowFunc(("pThis=%p pPCHSGeometry=%p -> VERR_NOT_SUPPORTED\n", pThis, pPCHSGeometry));
812	RT_NOREF(pPCHSGeometry);
813	return VERR_NOT_SUPPORTED;
814	}
815
816	/**
817	* @interface_method_impl{VDIMAGEBACKEND,pfnSetPCHSGeometry}
818	*/
819	static DECLCALLBACK(int) visoSetPCHSGeometry(void *pBackendData, PCVDGEOMETRY pPCHSGeometry)
820	{
821	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
822	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
823	LogFlowFunc(("pThis=%p pPCHSGeometry=%p:{%u/%u/%u} -> VERR_VD_IMAGE_READ_ONLY\n",
824	pThis, pPCHSGeometry, pPCHSGeometry->cCylinders, pPCHSGeometry->cHeads, pPCHSGeometry->cSectors));
825	RT_NOREF(pPCHSGeometry);
826	return VERR_VD_IMAGE_READ_ONLY;
827	}
828
829	/**
830	* @interface_method_impl{VDIMAGEBACKEND,pfnGetLCHSGeometry}
831	*/
832	static DECLCALLBACK(int) visoGetLCHSGeometry(void *pBackendData, PVDGEOMETRY pLCHSGeometry)
833	{
834	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
835	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
836	LogFlowFunc(("pThis=%p pLCHSGeometry=%p -> VERR_NOT_SUPPORTED\n", pThis, pLCHSGeometry));
837	RT_NOREF(pLCHSGeometry);
838	return VERR_NOT_SUPPORTED;
839	}
840
841	/**
842	* @interface_method_impl{VDIMAGEBACKEND,pfnSetLCHSGeometry}
843	*/
844	static DECLCALLBACK(int) visoSetLCHSGeometry(void *pBackendData, PCVDGEOMETRY pLCHSGeometry)
845	{
846	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
847	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
848	LogFlowFunc(("pThis=%p pLCHSGeometry=%p:{%u/%u/%u} -> VERR_VD_IMAGE_READ_ONLY\n",
849	pThis, pLCHSGeometry, pLCHSGeometry->cCylinders, pLCHSGeometry->cHeads, pLCHSGeometry->cSectors));
850	RT_NOREF(pLCHSGeometry);
851	return VERR_VD_IMAGE_READ_ONLY;
852	}
853
854	/**
855	* @interface_method_impl{VDIMAGEBACKEND,pfnQueryRegions}
856	*/
857	static DECLCALLBACK(int) visoQueryRegions(void pBackendData, PCVDREGIONLIST ppRegionList)
858	{
859	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
860	*ppRegionList = NULL;
861	AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
862
863	*ppRegionList = &pThis->RegionList;
864	LogFlowFunc(("returns VINF_SUCCESS (one region: 0 LB %RX64; pThis=%p)\n", pThis->RegionList.aRegions[0].cbData, pThis));
865	return VINF_SUCCESS;
866	}
867
868	/**
869	* @interface_method_impl{VDIMAGEBACKEND,pfnRegionListRelease}
870	*/
871	static DECLCALLBACK(void) visoRegionListRelease(void *pBackendData, PCVDREGIONLIST pRegionList)
872	{
873	/* Nothing to do here. Just assert the input to avoid unused parameter warnings. */
874	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
875	LogFlowFunc(("pThis=%p pRegionList=%p\n", pThis, pRegionList));
876	AssertPtrReturnVoid(pThis);
877	AssertReturnVoid(pRegionList == &pThis->RegionList \|\| pRegionList == 0);
878	}
879
880	/**
881	* @interface_method_impl{VDIMAGEBACKEND,pfnGetImageFlags}
882	*/
883	static DECLCALLBACK(unsigned) visoGetImageFlags(void *pBackendData)
884	{
885	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
886	LogFlowFunc(("pThis=%p -> VD_IMAGE_FLAGS_NONE\n", pThis));
887	AssertPtrReturn(pThis, VD_IMAGE_FLAGS_NONE);
888	return VD_IMAGE_FLAGS_NONE;
889	}
890
891	/**
892	* @interface_method_impl{VDIMAGEBACKEND,pfnGetOpenFlags}
893	*/
894	static DECLCALLBACK(unsigned) visoGetOpenFlags(void *pBackendData)
895	{
896	LogFlowFunc(("pBackendData=%#p\n", pBackendData));
897	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
898	AssertPtrReturn(pThis, 0);
899
900	LogFlowFunc(("returns %#x\n", pThis->fOpenFlags));
901	return pThis->fOpenFlags;
902	}
903
904	/**
905	* @interface_method_impl{VDIMAGEBACKEND,pfnSetOpenFlags}
906	*/
907	static DECLCALLBACK(int) visoSetOpenFlags(void *pBackendData, unsigned uOpenFlags)
908	{
909	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
910	LogFlowFunc(("pThis=%p fOpenFlags=%#x\n", pThis, uOpenFlags));
911
912	AssertPtrReturn(pThis, VERR_INVALID_POINTER);
913	uint32_t const fSupported = VD_OPEN_FLAGS_READONLY \| VD_OPEN_FLAGS_INFO
914	\| VD_OPEN_FLAGS_ASYNC_IO \| VD_OPEN_FLAGS_SHAREABLE
915	\| VD_OPEN_FLAGS_SEQUENTIAL \| VD_OPEN_FLAGS_SKIP_CONSISTENCY_CHECKS;
916	AssertMsgReturn(!(uOpenFlags & ~fSupported), ("fOpenFlags=%#x\n", uOpenFlags), VERR_INVALID_FLAGS);
917
918	/*
919	* Only react if we switch from VD_OPEN_FLAGS_INFO to non-VD_OPEN_FLAGS_INFO mode,
920	* becuase that means we need to open the image.
921	*/
922	if ( (pThis->fOpenFlags & VD_OPEN_FLAGS_INFO)
923	&& !(uOpenFlags & VD_OPEN_FLAGS_INFO)
924	&& pThis->hIsoFile == NIL_RTVFSFILE)
925	{
926	int rc = visoOpenWorker(pThis);
927	if (RT_FAILURE(rc))
928	{
929	LogFlowFunc(("returns %Rrc\n", rc));
930	return rc;
931	}
932	}
933
934	/*
935	* Update the flags.
936	*/
937	pThis->fOpenFlags &= ~fSupported;
938	pThis->fOpenFlags \|= fSupported & uOpenFlags;
939	pThis->fOpenFlags \|= VD_OPEN_FLAGS_READONLY;
940	if (pThis->hIsoFile != NIL_RTVFSFILE)
941	pThis->fOpenFlags &= ~VD_OPEN_FLAGS_INFO;
942
943	return VINF_SUCCESS;
944	}
945
946	#define uOpenFlags fOpenFlags /* sigh */
947
948	/**
949	* @interface_method_impl{VDIMAGEBACKEND,pfnGetComment}
950	*/
951	VD_BACKEND_CALLBACK_GET_COMMENT_DEF_NOT_SUPPORTED(visoGetComment);
952
953	/**
954	* @interface_method_impl{VDIMAGEBACKEND,pfnSetComment}
955	*/
956	VD_BACKEND_CALLBACK_SET_COMMENT_DEF_NOT_SUPPORTED(visoSetComment, PVISOIMAGE);
957
958	/**
959	* @interface_method_impl{VDIMAGEBACKEND,pfnGetUuid}
960	*/
961	static DECLCALLBACK(int) visoGetUuid(void *pBackendData, PRTUUID pUuid)
962	{
963	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
964	*pUuid = pThis->Uuid;
965	LogFlowFunc(("returns VIF_SUCCESS (%RTuuid)\n", pUuid));
966	return VINF_SUCCESS;
967	}
968
969	/**
970	* @interface_method_impl{VDIMAGEBACKEND,pfnSetUuid}
971	*/
972	VD_BACKEND_CALLBACK_SET_UUID_DEF_NOT_SUPPORTED(visoSetUuid, PVISOIMAGE);
973
974	/**
975	* @interface_method_impl{VDIMAGEBACKEND,pfnGetModificationUuid}
976	*/
977	VD_BACKEND_CALLBACK_GET_UUID_DEF_NOT_SUPPORTED(visoGetModificationUuid);
978
979	/**
980	* @interface_method_impl{VDIMAGEBACKEND,pfnSetModificationUuid}
981	*/
982	VD_BACKEND_CALLBACK_SET_UUID_DEF_NOT_SUPPORTED(visoSetModificationUuid, PVISOIMAGE);
983
984	/**
985	* @interface_method_impl{VDIMAGEBACKEND,pfnGetParentUuid}
986	*/
987	VD_BACKEND_CALLBACK_GET_UUID_DEF_NOT_SUPPORTED(visoGetParentUuid);
988
989	/**
990	* @interface_method_impl{VDIMAGEBACKEND,pfnSetParentUuid}
991	*/
992	VD_BACKEND_CALLBACK_SET_UUID_DEF_NOT_SUPPORTED(visoSetParentUuid, PVISOIMAGE);
993
994	/**
995	* @interface_method_impl{VDIMAGEBACKEND,pfnGetParentModificationUuid}
996	*/
997	VD_BACKEND_CALLBACK_GET_UUID_DEF_NOT_SUPPORTED(visoGetParentModificationUuid);
998
999	/**
1000	* @interface_method_impl{VDIMAGEBACKEND,pfnSetParentModificationUuid}
1001	*/
1002	VD_BACKEND_CALLBACK_SET_UUID_DEF_NOT_SUPPORTED(visoSetParentModificationUuid, PVISOIMAGE);
1003
1004	#undef uOpenFlags
1005
1006	/**
1007	* @interface_method_impl{VDIMAGEBACKEND,pfnDump}
1008	*/
1009	static DECLCALLBACK(void) visoDump(void *pBackendData)
1010	{
1011	PVISOIMAGE pThis = (PVISOIMAGE)pBackendData;
1012	AssertPtrReturnVoid(pThis);
1013
1014	vdIfErrorMessage(pThis->pIfError, "Dumping CUE image '%s' fOpenFlags=%x cbImage=%#RX64\n",
1015	pThis->pszFilename, pThis->fOpenFlags, pThis->cbImage);
1016	}
1017
1018
1019
1020	/**
1021	* VBox ISO maker backend.
1022	*/
1023	const VDIMAGEBACKEND g_VBoxIsoMakerBackend =
1024	{
1025	/* u32Version */
1026	VD_IMGBACKEND_VERSION,
1027	/* pszBackendName */
1028	"VBoxIsoMaker",
1029	/* uBackendCaps */
1030	VD_CAP_FILE,
1031	/* paFileExtensions */
1032	g_aVBoXIsoMakerFileExtensions,
1033	/* paConfigInfo */
1034	s_aVisoConfigInfo,
1035	/* pfnProbe */
1036	visoProbe,
1037	/* pfnOpen */
1038	visoOpen,
1039	/* pfnCreate */
1040	NULL,
1041	/* pfnRename */
1042	NULL,
1043	/* pfnClose */
1044	visoClose,
1045	/* pfnRead */
1046	visoRead,
1047	/* pfnWrite */
1048	visoWrite,
1049	/* pfnFlush */
1050	visoFlush,
1051	/* pfnDiscard */
1052	NULL,
1053	/* pfnGetVersion */
1054	visoGetVersion,
1055	/* pfnGetFileSize */
1056	visoGetFileSize,
1057	/* pfnGetPCHSGeometry */
1058	visoGetPCHSGeometry,
1059	/* pfnSetPCHSGeometry */
1060	visoSetPCHSGeometry,
1061	/* pfnGetLCHSGeometry */
1062	visoGetLCHSGeometry,
1063	/* pfnSetLCHSGeometry */
1064	visoSetLCHSGeometry,
1065	/* pfnQueryRegions */
1066	visoQueryRegions,
1067	/* pfnRegionListRelease */
1068	visoRegionListRelease,
1069	/* pfnGetImageFlags */
1070	visoGetImageFlags,
1071	/* pfnGetOpenFlags */
1072	visoGetOpenFlags,
1073	/* pfnSetOpenFlags */
1074	visoSetOpenFlags,
1075	/* pfnGetComment */
1076	visoGetComment,
1077	/* pfnSetComment */
1078	visoSetComment,
1079	/* pfnGetUuid */
1080	visoGetUuid,
1081	/* pfnSetUuid */
1082	visoSetUuid,
1083	/* pfnGetModificationUuid */
1084	visoGetModificationUuid,
1085	/* pfnSetModificationUuid */
1086	visoSetModificationUuid,
1087	/* pfnGetParentUuid */
1088	visoGetParentUuid,
1089	/* pfnSetParentUuid */
1090	visoSetParentUuid,
1091	/* pfnGetParentModificationUuid */
1092	visoGetParentModificationUuid,
1093	/* pfnSetParentModificationUuid */
1094	visoSetParentModificationUuid,
1095	/* pfnDump */
1096	visoDump,
1097	/* pfnGetTimestamp */
1098	NULL,
1099	/* pfnGetParentTimestamp */
1100	NULL,
1101	/* pfnSetParentTimestamp */
1102	NULL,
1103	/* pfnGetParentFilename */
1104	NULL,
1105	/* pfnSetParentFilename */
1106	NULL,
1107	/* pfnComposeLocation */
1108	genericFileComposeLocation,
1109	/* pfnComposeName */
1110	genericFileComposeName,
1111	/* pfnCompact */
1112	NULL,
1113	/* pfnResize */
1114	NULL,
1115	/* pfnRepair */
1116	NULL,
1117	/* pfnTraverseMetadata */
1118	NULL,
1119	/* u32VersionEnd */
1120	VD_IMGBACKEND_VERSION
1121	};
1122

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source: vbox/trunk/src/VBox/Storage/VISO.cpp@ 103598

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