VBoxManageModifyNvram.cpp

Last change on this file was 106061, checked in by vboxsync, 2 months ago
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1	/* $Id: VBoxManageModifyNvram.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* VBoxManage - The nvram control related commands.
4	*/
5
6	/*
7	* Copyright (C) 2021-2024 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	#include <VBox/com/com.h>
33	#include <VBox/com/array.h>
34	#include <VBox/com/ErrorInfo.h>
35	#include <VBox/com/errorprint.h>
36	#include <VBox/com/VirtualBox.h>
37
38	#include <iprt/errcore.h>
39	#include <iprt/path.h>
40	#include <iprt/param.h>
41	#include <iprt/string.h>
42	#include <iprt/ctype.h>
43	#include <iprt/stream.h>
44	#include <iprt/file.h>
45	#include <iprt/getopt.h>
46	#include <iprt/uuid.h>
47	#include <VBox/log.h>
48
49	#include "VBoxManage.h"
50	using namespace com;
51
52	DECLARE_TRANSLATION_CONTEXT(Nvram);
53
54	// funcs
55	///////////////////////////////////////////////////////////////////////////////
56
57
58	/**
59	* Handles the 'modifynvram myvm inituefivarstore' sub-command.
60	* @returns Exit code.
61	* @param a The handler argument package.
62	* @param nvram Reference to the NVRAM store interface.
63	*/
64	static RTEXITCODE handleModifyNvramInitUefiVarStore(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
65	{
66	if (a->argc != 2)
67	return errorTooManyParameters(&a->argv[1]);
68
69	CHECK_ERROR2I_RET(nvramStore, InitUefiVariableStore(0 /aSize/), RTEXITCODE_FAILURE);
70	return RTEXITCODE_SUCCESS;
71	}
72
73
74	/**
75	* Handles the 'modifynvram myvm enrollmssignatures' sub-command.
76	* @returns Exit code.
77	* @param a The handler argument package.
78	* @param nvram Reference to the NVRAM store interface.
79	*/
80	static RTEXITCODE handleModifyNvramEnrollMsSignatures(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
81	{
82	if (a->argc != 2)
83	return errorTooManyParameters(&a->argv[1]);
84
85	ComPtr<IUefiVariableStore> uefiVarStore;
86	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
87
88	CHECK_ERROR2I_RET(uefiVarStore, EnrollDefaultMsSignatures(), RTEXITCODE_FAILURE);
89	return RTEXITCODE_SUCCESS;
90	}
91
92
93	/**
94	* Helper for handleModifyNvramEnrollPlatformKey() and handleModifyNvramEnrollMok().
95	*
96	* This function reads key from file and enrolls it either as a PK (Platform Key)
97	* or as a MOK (Machine Owner Key).
98	*
99	* @returns Exit code.
100	* @param pszKey Path to a file which contains the key.
101	* @param pszOwnerUuid Owner's UUID.
102	* @param nvramStore Reference to the NVRAM store interface.
103	* @param fPk If True, a key will be enrolled as a PK, otherwise as a MOK.
104	*/
105	static RTEXITCODE handleModifyNvramEnrollPlatformKeyOrMok(const char pszKey, const char pszOwnerUuid,
106	ComPtr<INvramStore> &nvramStore, bool fPk)
107	{
108	RTFILE hKeyFile;
109
110	int vrc = RTFileOpen(&hKeyFile, pszKey, RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE);
111	if (RT_SUCCESS(vrc))
112	{
113	uint64_t cbSize;
114	vrc = RTFileQuerySize(hKeyFile, &cbSize);
115	if (RT_SUCCESS(vrc))
116	{
117	if (cbSize <= _32K)
118	{
119	SafeArray<BYTE> aKey((size_t)cbSize);
120	vrc = RTFileRead(hKeyFile, aKey.raw(), (size_t)cbSize, NULL);
121	if (RT_SUCCESS(vrc))
122	{
123	RTFileClose(hKeyFile);
124
125	ComPtr<IUefiVariableStore> uefiVarStore;
126	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
127	if (fPk)
128	CHECK_ERROR2I_RET(uefiVarStore, EnrollPlatformKey(ComSafeArrayAsInParam(aKey), Bstr(pszOwnerUuid).raw()), RTEXITCODE_FAILURE);
129	else
130	CHECK_ERROR2I_RET(uefiVarStore, AddSignatureToMok(ComSafeArrayAsInParam(aKey), Bstr(pszOwnerUuid).raw(), SignatureType_X509), RTEXITCODE_FAILURE);
131
132	return RTEXITCODE_SUCCESS;
133	}
134	else
135	RTMsgError(Nvram::tr("Cannot read contents of file \"%s\": %Rrc"), pszKey, vrc);
136	}
137	else
138	RTMsgError(Nvram::tr("File \"%s\" is bigger than 32KByte"), pszKey);
139	}
140	else
141	RTMsgError(Nvram::tr("Cannot get size of file \"%s\": %Rrc"), pszKey, vrc);
142
143	RTFileClose(hKeyFile);
144	}
145	else
146	RTMsgError(Nvram::tr("Cannot open file \"%s\": %Rrc"), pszKey, vrc);
147
148	return RTEXITCODE_FAILURE;
149	}
150
151
152	/**
153	* Handles the 'modifynvram myvm enrollpk' sub-command.
154	* @returns Exit code.
155	* @param a The handler argument package.
156	* @param nvramStore Reference to the NVRAM store interface.
157	*/
158	static RTEXITCODE handleModifyNvramEnrollPlatformKey(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
159	{
160	static const RTGETOPTDEF s_aOptions[] =
161	{
162	/* common options */
163	{ "--platform-key", 'p', RTGETOPT_REQ_STRING },
164	{ "--owner-uuid", 'f', RTGETOPT_REQ_STRING }
165	};
166
167	const char *pszPlatformKey = NULL;
168	const char *pszOwnerUuid = NULL;
169
170	RTGETOPTSTATE GetState;
171	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
172	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
173
174	int c;
175	RTGETOPTUNION ValueUnion;
176	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
177	{
178	switch (c)
179	{
180	case 'p':
181	pszPlatformKey = ValueUnion.psz;
182	break;
183	case 'f':
184	pszOwnerUuid = ValueUnion.psz;
185	break;
186	default:
187	return errorGetOpt(c, &ValueUnion);
188	}
189	}
190
191	if (!pszPlatformKey)
192	return errorSyntax(Nvram::tr("No platform key file path was given to \"enrollpk\""));
193	if (!pszOwnerUuid)
194	return errorSyntax(Nvram::tr("No owner UUID was given to \"enrollpk\""));
195
196	return handleModifyNvramEnrollPlatformKeyOrMok(pszPlatformKey, pszOwnerUuid, nvramStore, true /* fPk */);
197	}
198
199
200	/**
201	* Handles the 'modifynvram myvm enrollmok' sub-command.
202	* @returns Exit code.
203	* @param a The handler argument package.
204	* @param nvramStore Reference to the NVRAM store interface.
205	*/
206	static RTEXITCODE handleModifyNvramEnrollMok(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
207	{
208	static const RTGETOPTDEF s_aOptions[] =
209	{
210	/* common options */
211	{ "--mok", 'p', RTGETOPT_REQ_STRING },
212	{ "--owner-uuid", 'f', RTGETOPT_REQ_STRING }
213	};
214
215	const char *pszMok = NULL;
216	const char *pszOwnerUuid = NULL;
217
218	RTGETOPTSTATE GetState;
219	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
220	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
221
222	int c;
223	RTGETOPTUNION ValueUnion;
224	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
225	{
226	switch (c)
227	{
228	case 'p':
229	pszMok = ValueUnion.psz;
230	break;
231	case 'f':
232	pszOwnerUuid = ValueUnion.psz;
233	break;
234	default:
235	return errorGetOpt(c, &ValueUnion);
236	}
237	}
238
239	if (!pszMok)
240	return errorSyntax(Nvram::tr("No machine owner key file path was given to \"enrollpk\""));
241	if (!pszOwnerUuid)
242	return errorSyntax(Nvram::tr("No owner UUID was given to \"enrollpk\""));
243
244	return handleModifyNvramEnrollPlatformKeyOrMok(pszMok, pszOwnerUuid, nvramStore, false /* fPk */);
245	}
246
247
248	/**
249	* Handles the 'modifynvram myvm enrollorclpk' sub-command.
250	* @returns Exit code.
251	* @param a The handler argument package.
252	* @param nvram Reference to the NVRAM store interface.
253	*/
254	static RTEXITCODE handleModifyNvramEnrollOraclePlatformKey(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
255	{
256	if (a->argc != 2)
257	return errorTooManyParameters(&a->argv[1]);
258
259	ComPtr<IUefiVariableStore> uefiVarStore;
260	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
261
262	CHECK_ERROR2I_RET(uefiVarStore, EnrollOraclePlatformKey(), RTEXITCODE_FAILURE);
263	return RTEXITCODE_SUCCESS;
264	}
265
266
267	/**
268	* Handles the 'modifynvram myvm secureboot' sub-command.
269	* @returns Exit code.
270	* @param a The handler argument package.
271	* @param nvram Reference to the NVRAM store interface.
272	*/
273	static RTEXITCODE handleModifyNvramSecureBoot(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
274	{
275	static const RTGETOPTDEF s_aOptions[] =
276	{
277	/* common options */
278	{ "--enable", 'e', RTGETOPT_REQ_NOTHING },
279	{ "--disable", 'd', RTGETOPT_REQ_NOTHING }
280	};
281
282	int enable = -1;
283
284	RTGETOPTSTATE GetState;
285	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
286	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
287
288	int c;
289	RTGETOPTUNION ValueUnion;
290	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
291	{
292	switch (c)
293	{
294	case 'e': // --enable
295	if (enable >= 0)
296	return errorSyntax(Nvram::tr("You can specify either --enable or --disable once."));
297	enable = 1;
298	break;
299
300	case 'd': // --disable
301	if (enable >= 0)
302	return errorSyntax(Nvram::tr("You can specify either --enable or --disable once."));
303	enable = 0;
304	break;
305
306	default:
307	return errorGetOpt(c, &ValueUnion);
308	}
309	}
310
311	if (enable < 0)
312	return errorSyntax(Nvram::tr("You have to specify either --enable or --disable."));
313
314	ComPtr<IUefiVariableStore> uefiVarStore;
315	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
316
317	CHECK_ERROR2I_RET(uefiVarStore, COMSETTER(SecureBootEnabled((BOOL)enable)), RTEXITCODE_FAILURE);
318	return RTEXITCODE_SUCCESS;
319	}
320
321
322	/**
323	* Handles the 'modifynvram myvm listvars' sub-command.
324	* @returns Exit code.
325	* @param a The handler argument package.
326	* @param nvram Reference to the NVRAM store interface.
327	*/
328	static RTEXITCODE handleModifyNvramListUefiVars(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
329	{
330	if (a->argc != 2)
331	return errorTooManyParameters(&a->argv[1]);
332
333	ComPtr<IUefiVariableStore> uefiVarStore;
334	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
335
336	com::SafeArray<BSTR> aNames;
337	com::SafeArray<BSTR> aOwnerGuids;
338	CHECK_ERROR2I_RET(uefiVarStore, QueryVariables(ComSafeArrayAsOutParam(aNames), ComSafeArrayAsOutParam(aOwnerGuids)), RTEXITCODE_FAILURE);
339	for (size_t i = 0; i < aNames.size(); i++)
340	{
341	Bstr strName = aNames[i];
342	Bstr strOwnerGuid = aOwnerGuids[i];
343
344	RTPrintf("%-32ls {%ls}\n", strName.raw(), strOwnerGuid.raw());
345	}
346
347	return RTEXITCODE_SUCCESS;
348	}
349
350
351	/**
352	* Handles the 'modifynvram myvm queryvar' sub-command.
353	* @returns Exit code.
354	* @param a The handler argument package.
355	* @param nvram Reference to the NVRAM store interface.
356	*/
357	static RTEXITCODE handleModifyNvramQueryUefiVar(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
358	{
359	static const RTGETOPTDEF s_aOptions[] =
360	{
361	/* common options */
362	{ "--name", 'n', RTGETOPT_REQ_STRING },
363	{ "--filename", 'f', RTGETOPT_REQ_STRING }
364	};
365
366	const char *pszVarName = NULL;
367	const char *pszVarDataFilename = NULL;
368
369	RTGETOPTSTATE GetState;
370	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
371	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
372
373	int c;
374	RTGETOPTUNION ValueUnion;
375	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
376	{
377	switch (c)
378	{
379	case 'n':
380	pszVarName = ValueUnion.psz;
381	break;
382	case 'f':
383	pszVarDataFilename = ValueUnion.psz;
384	break;
385	default:
386	return errorGetOpt(c, &ValueUnion);
387	}
388	}
389
390	if (!pszVarName)
391	return errorSyntax(Nvram::tr("No variable name was given to \"queryvar\""));
392
393	ComPtr<IUefiVariableStore> uefiVarStore;
394	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
395
396	Bstr strOwnerGuid;
397	com::SafeArray<UefiVariableAttributes_T> aVarAttrs;
398	com::SafeArray<BYTE> aData;
399	CHECK_ERROR2I_RET(uefiVarStore, QueryVariableByName(Bstr(pszVarName).raw(), strOwnerGuid.asOutParam(),
400	ComSafeArrayAsOutParam(aVarAttrs), ComSafeArrayAsOutParam(aData)),
401	RTEXITCODE_FAILURE);
402
403	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
404	if (!pszVarDataFilename)
405	{
406	RTPrintf("%s {%ls}:\n"
407	"%.*Rhxd\n", pszVarName, strOwnerGuid.raw(), aData.size(), aData.raw());
408	}
409	else
410	{
411	/* Just write the data to the file. */
412	RTFILE hFile = NIL_RTFILE;
413	vrc = RTFileOpen(&hFile, pszVarDataFilename, RTFILE_O_CREATE_REPLACE \| RTFILE_O_WRITE \| RTFILE_O_DENY_NONE);
414	if (RT_SUCCESS(vrc))
415	{
416	vrc = RTFileWrite(hFile, aData.raw(), aData.size(), NULL /pcbWritten/);
417	if (RT_FAILURE(vrc))
418	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error writing to '%s': %Rrc"), pszVarDataFilename, vrc);
419
420	RTFileClose(hFile);
421	}
422	else
423	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error opening '%s': %Rrc"), pszVarDataFilename, vrc);
424	}
425
426	return rcExit;
427	}
428
429
430	/**
431	* Handles the 'modifynvram myvm deletevar' sub-command.
432	* @returns Exit code.
433	* @param a The handler argument package.
434	* @param nvram Reference to the NVRAM store interface.
435	*/
436	static RTEXITCODE handleModifyNvramDeleteUefiVar(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
437	{
438	static const RTGETOPTDEF s_aOptions[] =
439	{
440	/* common options */
441	{ "--name", 'n', RTGETOPT_REQ_STRING },
442	{ "--owner-uuid", 'f', RTGETOPT_REQ_STRING }
443	};
444
445	const char *pszVarName = NULL;
446	const char *pszOwnerUuid = NULL;
447
448	RTGETOPTSTATE GetState;
449	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
450	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
451
452	int c;
453	RTGETOPTUNION ValueUnion;
454	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
455	{
456	switch (c)
457	{
458	case 'n':
459	pszVarName = ValueUnion.psz;
460	break;
461	case 'f':
462	pszOwnerUuid = ValueUnion.psz;
463	break;
464	default:
465	return errorGetOpt(c, &ValueUnion);
466	}
467	}
468
469	if (!pszVarName)
470	return errorSyntax(Nvram::tr("No variable name was given to \"deletevar\""));
471	if (!pszOwnerUuid)
472	return errorSyntax(Nvram::tr("No owner UUID was given to \"deletevar\""));
473
474	ComPtr<IUefiVariableStore> uefiVarStore;
475	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
476	CHECK_ERROR2I_RET(uefiVarStore, DeleteVariable(Bstr(pszVarName).raw(), Bstr(pszOwnerUuid).raw()), RTEXITCODE_FAILURE);
477
478	return RTEXITCODE_SUCCESS;
479	}
480
481
482	/**
483	* Handles the 'modifynvram myvm changevar' sub-command.
484	* @returns Exit code.
485	* @param a The handler argument package.
486	* @param nvram Reference to the NVRAM store interface.
487	*/
488	static RTEXITCODE handleModifyNvramChangeUefiVar(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
489	{
490	static const RTGETOPTDEF s_aOptions[] =
491	{
492	/* common options */
493	{ "--name", 'n', RTGETOPT_REQ_STRING },
494	{ "--filename", 'f', RTGETOPT_REQ_STRING }
495	};
496
497	const char *pszVarName = NULL;
498	const char *pszVarDataFilename = NULL;
499
500	RTGETOPTSTATE GetState;
501	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
502	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
503
504	int c;
505	RTGETOPTUNION ValueUnion;
506	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
507	{
508	switch (c)
509	{
510	case 'n':
511	pszVarName = ValueUnion.psz;
512	break;
513	case 'f':
514	pszVarDataFilename = ValueUnion.psz;
515	break;
516	default:
517	return errorGetOpt(c, &ValueUnion);
518	}
519	}
520
521	if (!pszVarName)
522	return errorSyntax(Nvram::tr("No variable name was given to \"changevar\""));
523	if (!pszVarDataFilename)
524	return errorSyntax(Nvram::tr("No variable data filename was given to \"changevar\""));
525
526	RTFILE hFile = NIL_RTFILE;
527	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
528	vrc = RTFileOpen(&hFile, pszVarDataFilename, RTFILE_O_OPEN \| RTFILE_O_READ \| RTFILE_O_DENY_NONE);
529	if (RT_SUCCESS(vrc))
530	{
531	uint64_t cbFile = 0;
532	vrc = RTFileQuerySize(hFile, &cbFile);
533	if (RT_SUCCESS(vrc))
534	{
535	com::SafeArray<BYTE> aData;
536	aData.resize(cbFile);
537
538	vrc = RTFileRead(hFile, aData.raw(), aData.size(), NULL /pcbRead/);
539	RTFileClose(hFile);
540
541	if (RT_SUCCESS(vrc))
542	{
543	ComPtr<IUefiVariableStore> uefiVarStore;
544	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
545	CHECK_ERROR2I_RET(uefiVarStore, ChangeVariable(Bstr(pszVarName).raw(), ComSafeArrayAsInParam(aData)), RTEXITCODE_FAILURE);
546	}
547	else
548	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error reading from '%s': %Rrc"), pszVarDataFilename, vrc);
549	}
550	}
551	else
552	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error opening '%s': %Rrc"), pszVarDataFilename, vrc);
553
554	return rcExit;
555	}
556
557
558	/**
559	* Handles the 'modifynvram' command.
560	* @returns Exit code.
561	* @param a The handler argument package.
562	*/
563	RTEXITCODE handleModifyNvram(HandlerArg *a)
564	{
565	HRESULT hrc = S_OK;
566	ComPtr<IMachine> machine;
567	ComPtr<INvramStore> nvramStore;
568
569	if (a->argc < 2)
570	return errorNoSubcommand();
571
572	/* try to find the given machine */
573	CHECK_ERROR_RET(a->virtualBox, FindMachine(Bstr(a->argv[0]).raw(),
574	machine.asOutParam()), RTEXITCODE_FAILURE);
575
576	/* open a session for the VM (new or shared) */
577	CHECK_ERROR_RET(machine, LockMachine(a->session, LockType_Write), RTEXITCODE_FAILURE);
578
579	/* get the mutable session machine */
580	a->session->COMGETTER(Machine)(machine.asOutParam());
581	hrc = machine->COMGETTER(NonVolatileStore)(nvramStore.asOutParam());
582	if (FAILED(hrc)) goto leave;
583
584	if (!strcmp(a->argv[1], "inituefivarstore"))
585	{
586	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_INITUEFIVARSTORE);
587	hrc = handleModifyNvramInitUefiVarStore(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
588	}
589	else if (!strcmp(a->argv[1], "enrollmssignatures"))
590	{
591	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLMSSIGNATURES);
592	hrc = handleModifyNvramEnrollMsSignatures(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
593	}
594	else if (!strcmp(a->argv[1], "enrollpk"))
595	{
596	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLPK);
597	hrc = handleModifyNvramEnrollPlatformKey(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
598	}
599	else if (!strcmp(a->argv[1], "enrollmok"))
600	{
601	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLMOK);
602	hrc = handleModifyNvramEnrollMok(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
603	}
604	else if (!strcmp(a->argv[1], "enrollorclpk"))
605	{
606	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLORCLPK);
607	hrc = handleModifyNvramEnrollOraclePlatformKey(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
608	}
609	else if (!strcmp(a->argv[1], "secureboot"))
610	{
611	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_SECUREBOOT);
612	hrc = handleModifyNvramSecureBoot(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
613	}
614	else if (!strcmp(a->argv[1], "listvars"))
615	{
616	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_LISTVARS);
617	hrc = handleModifyNvramListUefiVars(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
618	}
619	else if (!strcmp(a->argv[1], "queryvar"))
620	{
621	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_QUERYVAR);
622	hrc = handleModifyNvramQueryUefiVar(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
623	}
624	else if (!strcmp(a->argv[1], "deletevar"))
625	{
626	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_DELETEVAR);
627	hrc = handleModifyNvramDeleteUefiVar(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
628	}
629	else if (!strcmp(a->argv[1], "changevar"))
630	{
631	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_CHANGEVAR);
632	hrc = handleModifyNvramChangeUefiVar(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
633	}
634	else
635	return errorUnknownSubcommand(a->argv[1]);
636
637	/* commit changes */
638	if (SUCCEEDED(hrc))
639	CHECK_ERROR(machine, SaveSettings());
640
641	leave:
642	/* it's important to always close sessions */
643	a->session->UnlockMachine();
644
645	return SUCCEEDED(hrc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
646	}

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageModifyNvram.cpp

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