VBoxManageModifyNvram.cpp@ 94660

Last change on this file since 94660 was 94236, checked in by vboxsync, 3 years ago
FE/VBoxManage: Remove the now unused VBoxManageHelp build target and the VBOX_ONLY_DOCS #ifdef's in the code, bugref:9186 [scm fix]
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
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1	/* $Id: VBoxManageModifyNvram.cpp 94236 2022-03-15 09:26:01Z vboxsync $ */
2	/** @file
3	* VBoxManage - The nvram control related commands.
4	*/
5
6	/*
7	* Copyright (C) 2021-2022 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#include <VBox/com/com.h>
23	#include <VBox/com/array.h>
24	#include <VBox/com/ErrorInfo.h>
25	#include <VBox/com/errorprint.h>
26	#include <VBox/com/VirtualBox.h>
27
28	#include <iprt/errcore.h>
29	#include <iprt/path.h>
30	#include <iprt/param.h>
31	#include <iprt/string.h>
32	#include <iprt/ctype.h>
33	#include <iprt/stream.h>
34	#include <iprt/file.h>
35	#include <iprt/getopt.h>
36	#include <iprt/uuid.h>
37	#include <VBox/log.h>
38
39	#include "VBoxManage.h"
40	using namespace com;
41
42	DECLARE_TRANSLATION_CONTEXT(Nvram);
43
44	// funcs
45	///////////////////////////////////////////////////////////////////////////////
46
47
48	/**
49	* Handles the 'modifynvram myvm inituefivarstore' sub-command.
50	* @returns Exit code.
51	* @param a The handler argument package.
52	* @param nvram Reference to the NVRAM store interface.
53	*/
54	static RTEXITCODE handleModifyNvramInitUefiVarStore(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
55	{
56	RT_NOREF(a);
57
58	CHECK_ERROR2I_RET(nvramStore, InitUefiVariableStore(0 /aSize/), RTEXITCODE_FAILURE);
59	return RTEXITCODE_SUCCESS;
60	}
61
62
63	/**
64	* Handles the 'modifynvram myvm enrollmssignatures' sub-command.
65	* @returns Exit code.
66	* @param a The handler argument package.
67	* @param nvram Reference to the NVRAM store interface.
68	*/
69	static RTEXITCODE handleModifyNvramEnrollMsSignatures(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
70	{
71	RT_NOREF(a);
72
73	ComPtr<IUefiVariableStore> uefiVarStore;
74	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
75
76	CHECK_ERROR2I_RET(uefiVarStore, EnrollDefaultMsSignatures(), RTEXITCODE_FAILURE);
77	return RTEXITCODE_SUCCESS;
78	}
79
80
81	/**
82	* Handles the 'modifynvram myvm enrollpk' sub-command.
83	* @returns Exit code.
84	* @param a The handler argument package.
85	* @param nvram Reference to the NVRAM store interface.
86	*/
87	static RTEXITCODE handleModifyNvramEnrollPlatformKey(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
88	{
89	static const RTGETOPTDEF s_aOptions[] =
90	{
91	/* common options */
92	{ "--platform-key", 'p', RTGETOPT_REQ_STRING },
93	{ "--owner-uuid", 'f', RTGETOPT_REQ_STRING }
94	};
95
96	const char *pszPlatformKey = NULL;
97	const char *pszOwnerUuid = NULL;
98
99	RTGETOPTSTATE GetState;
100	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
101	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
102
103	int c;
104	RTGETOPTUNION ValueUnion;
105	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
106	{
107	switch (c)
108	{
109	case 'p':
110	pszPlatformKey = ValueUnion.psz;
111	break;
112	case 'f':
113	pszOwnerUuid = ValueUnion.psz;
114	break;
115	default:
116	return errorGetOpt(c, &ValueUnion);
117	}
118	}
119
120	if (!pszPlatformKey)
121	return errorSyntax(Nvram::tr("No platform key file path was given to \"enrollpk\""));
122	if (!pszOwnerUuid)
123	return errorSyntax(Nvram::tr("No owner UUID was given to \"enrollpk\""));
124
125	RTFILE hPkFile;
126	vrc = RTFileOpen(&hPkFile, pszPlatformKey, RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE);
127	if (RT_SUCCESS(vrc))
128	{
129	uint64_t cbSize;
130	vrc = RTFileQuerySize(hPkFile, &cbSize);
131	if (RT_SUCCESS(vrc))
132	{
133	if (cbSize <= _32K)
134	{
135	SafeArray<BYTE> aPk((size_t)cbSize);
136	vrc = RTFileRead(hPkFile, aPk.raw(), (size_t)cbSize, NULL);
137	if (RT_SUCCESS(vrc))
138	{
139	RTFileClose(hPkFile);
140
141	ComPtr<IUefiVariableStore> uefiVarStore;
142	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
143	CHECK_ERROR2I_RET(uefiVarStore, EnrollPlatformKey(ComSafeArrayAsInParam(aPk), Bstr(pszOwnerUuid).raw()), RTEXITCODE_FAILURE);
144	return RTEXITCODE_SUCCESS;
145	}
146	else
147	RTMsgError(Nvram::tr("Cannot read contents of file \"%s\": %Rrc"), pszPlatformKey, vrc);
148	}
149	else
150	RTMsgError(Nvram::tr("File \"%s\" is bigger than 32KByte"), pszPlatformKey);
151	}
152	else
153	RTMsgError(Nvram::tr("Cannot get size of file \"%s\": %Rrc"), pszPlatformKey, vrc);
154
155	RTFileClose(hPkFile);
156	}
157	else
158	RTMsgError(Nvram::tr("Cannot open file \"%s\": %Rrc"), pszPlatformKey, vrc);
159
160	return RTEXITCODE_FAILURE;
161	}
162
163
164	/**
165	* Handles the 'modifynvram myvm enrollorclpk' sub-command.
166	* @returns Exit code.
167	* @param a The handler argument package.
168	* @param nvram Reference to the NVRAM store interface.
169	*/
170	static RTEXITCODE handleModifyNvramEnrollOraclePlatformKey(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
171	{
172	RT_NOREF(a);
173
174	ComPtr<IUefiVariableStore> uefiVarStore;
175	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
176
177	CHECK_ERROR2I_RET(uefiVarStore, EnrollOraclePlatformKey(), RTEXITCODE_FAILURE);
178	return RTEXITCODE_SUCCESS;
179	}
180
181
182	/**
183	* Handles the 'modifynvram myvm listvars' sub-command.
184	* @returns Exit code.
185	* @param a The handler argument package.
186	* @param nvram Reference to the NVRAM store interface.
187	*/
188	static RTEXITCODE handleModifyNvramListUefiVars(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
189	{
190	RT_NOREF(a);
191
192	ComPtr<IUefiVariableStore> uefiVarStore;
193	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
194
195	com::SafeArray<BSTR> aNames;
196	com::SafeArray<BSTR> aOwnerGuids;
197	CHECK_ERROR2I_RET(uefiVarStore, QueryVariables(ComSafeArrayAsOutParam(aNames), ComSafeArrayAsOutParam(aOwnerGuids)), RTEXITCODE_FAILURE);
198	for (size_t i = 0; i < aNames.size(); i++)
199	{
200	Bstr strName = aNames[i];
201	Bstr strOwnerGuid = aOwnerGuids[i];
202
203	RTPrintf("%-32ls {%ls}\n", strName.raw(), strOwnerGuid.raw());
204	}
205
206	return RTEXITCODE_SUCCESS;
207	}
208
209
210	/**
211	* Handles the 'modifynvram myvm queryvar' sub-command.
212	* @returns Exit code.
213	* @param a The handler argument package.
214	* @param nvram Reference to the NVRAM store interface.
215	*/
216	static RTEXITCODE handleModifyNvramQueryUefiVar(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
217	{
218	static const RTGETOPTDEF s_aOptions[] =
219	{
220	/* common options */
221	{ "--name", 'n', RTGETOPT_REQ_STRING },
222	{ "--filename", 'f', RTGETOPT_REQ_STRING }
223	};
224
225	const char *pszVarName = NULL;
226	const char *pszVarDataFilename = NULL;
227
228	RTGETOPTSTATE GetState;
229	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
230	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
231
232	int c;
233	RTGETOPTUNION ValueUnion;
234	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
235	{
236	switch (c)
237	{
238	case 'n':
239	pszVarName = ValueUnion.psz;
240	break;
241	case 'f':
242	pszVarDataFilename = ValueUnion.psz;
243	break;
244	default:
245	return errorGetOpt(c, &ValueUnion);
246	}
247	}
248
249	if (!pszVarName)
250	return errorSyntax(Nvram::tr("No variable name was given to \"queryvar\""));
251
252	ComPtr<IUefiVariableStore> uefiVarStore;
253	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
254
255	Bstr strOwnerGuid;
256	com::SafeArray<UefiVariableAttributes_T> aVarAttrs;
257	com::SafeArray<BYTE> aData;
258	CHECK_ERROR2I_RET(uefiVarStore, QueryVariableByName(Bstr(pszVarName).raw(), strOwnerGuid.asOutParam(),
259	ComSafeArrayAsOutParam(aVarAttrs), ComSafeArrayAsOutParam(aData)),
260	RTEXITCODE_FAILURE);
261
262	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
263	if (!pszVarDataFilename)
264	{
265	RTPrintf("%s {%ls}:\n"
266	"%.*Rhxd\n", pszVarName, strOwnerGuid.raw(), aData.size(), aData.raw());
267	}
268	else
269	{
270	/* Just write the data to the file. */
271	RTFILE hFile = NIL_RTFILE;
272	vrc = RTFileOpen(&hFile, pszVarDataFilename, RTFILE_O_CREATE_REPLACE \| RTFILE_O_WRITE \| RTFILE_O_DENY_NONE);
273	if (RT_SUCCESS(vrc))
274	{
275	vrc = RTFileWrite(hFile, aData.raw(), aData.size(), NULL /pcbWritten/);
276	if (RT_FAILURE(vrc))
277	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error writing to '%s': %Rrc"), pszVarDataFilename, vrc);
278
279	RTFileClose(hFile);
280	}
281	else
282	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error opening '%s': %Rrc"), pszVarDataFilename, vrc);
283	}
284
285	return rcExit;
286	}
287
288
289	/**
290	* Handles the 'modifynvram myvm deletevar' sub-command.
291	* @returns Exit code.
292	* @param a The handler argument package.
293	* @param nvram Reference to the NVRAM store interface.
294	*/
295	static RTEXITCODE handleModifyNvramDeleteUefiVar(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
296	{
297	static const RTGETOPTDEF s_aOptions[] =
298	{
299	/* common options */
300	{ "--name", 'n', RTGETOPT_REQ_STRING },
301	{ "--owner-uuid", 'f', RTGETOPT_REQ_STRING }
302	};
303
304	const char *pszVarName = NULL;
305	const char *pszOwnerUuid = NULL;
306
307	RTGETOPTSTATE GetState;
308	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
309	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
310
311	int c;
312	RTGETOPTUNION ValueUnion;
313	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
314	{
315	switch (c)
316	{
317	case 'n':
318	pszVarName = ValueUnion.psz;
319	break;
320	case 'f':
321	pszOwnerUuid = ValueUnion.psz;
322	break;
323	default:
324	return errorGetOpt(c, &ValueUnion);
325	}
326	}
327
328	if (!pszVarName)
329	return errorSyntax(Nvram::tr("No variable name was given to \"deletevar\""));
330	if (!pszOwnerUuid)
331	return errorSyntax(Nvram::tr("No owner UUID was given to \"deletevar\""));
332
333	ComPtr<IUefiVariableStore> uefiVarStore;
334	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
335	CHECK_ERROR2I_RET(uefiVarStore, DeleteVariable(Bstr(pszVarName).raw(), Bstr(pszOwnerUuid).raw()), RTEXITCODE_FAILURE);
336
337	return RTEXITCODE_SUCCESS;
338	}
339
340
341	/**
342	* Handles the 'modifynvram myvm changevar' sub-command.
343	* @returns Exit code.
344	* @param a The handler argument package.
345	* @param nvram Reference to the NVRAM store interface.
346	*/
347	static RTEXITCODE handleModifyNvramChangeUefiVar(HandlerArg *a, ComPtr<INvramStore> &nvramStore)
348	{
349	static const RTGETOPTDEF s_aOptions[] =
350	{
351	/* common options */
352	{ "--name", 'n', RTGETOPT_REQ_STRING },
353	{ "--filename", 'f', RTGETOPT_REQ_STRING }
354	};
355
356	const char *pszVarName = NULL;
357	const char *pszVarDataFilename = NULL;
358
359	RTGETOPTSTATE GetState;
360	int vrc = RTGetOptInit(&GetState, a->argc - 2, &a->argv[2], s_aOptions, RT_ELEMENTS(s_aOptions), 0, 0);
361	AssertRCReturn(vrc, RTEXITCODE_FAILURE);
362
363	int c;
364	RTGETOPTUNION ValueUnion;
365	while ((c = RTGetOpt(&GetState, &ValueUnion)) != 0)
366	{
367	switch (c)
368	{
369	case 'n':
370	pszVarName = ValueUnion.psz;
371	break;
372	case 'f':
373	pszVarDataFilename = ValueUnion.psz;
374	break;
375	default:
376	return errorGetOpt(c, &ValueUnion);
377	}
378	}
379
380	if (!pszVarName)
381	return errorSyntax(Nvram::tr("No variable name was given to \"changevar\""));
382	if (!pszVarDataFilename)
383	return errorSyntax(Nvram::tr("No variable data filename was given to \"changevar\""));
384
385	RTFILE hFile = NIL_RTFILE;
386	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
387	vrc = RTFileOpen(&hFile, pszVarDataFilename, RTFILE_O_OPEN \| RTFILE_O_READ \| RTFILE_O_DENY_NONE);
388	if (RT_SUCCESS(vrc))
389	{
390	uint64_t cbFile = 0;
391	vrc = RTFileQuerySize(hFile, &cbFile);
392	if (RT_SUCCESS(vrc))
393	{
394	com::SafeArray<BYTE> aData;
395	aData.resize(cbFile);
396
397	vrc = RTFileRead(hFile, aData.raw(), aData.size(), NULL /pcbRead/);
398	RTFileClose(hFile);
399
400	if (RT_SUCCESS(vrc))
401	{
402	ComPtr<IUefiVariableStore> uefiVarStore;
403	CHECK_ERROR2I_RET(nvramStore, COMGETTER(UefiVariableStore)(uefiVarStore.asOutParam()), RTEXITCODE_FAILURE);
404	CHECK_ERROR2I_RET(uefiVarStore, ChangeVariable(Bstr(pszVarName).raw(), ComSafeArrayAsInParam(aData)), RTEXITCODE_FAILURE);
405	}
406	else
407	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error reading from '%s': %Rrc"), pszVarDataFilename, vrc);
408	}
409	}
410	else
411	rcExit = RTMsgErrorExitFailure(Nvram::tr("Error opening '%s': %Rrc"), pszVarDataFilename, vrc);
412
413	return rcExit;
414	}
415
416
417	/**
418	* Handles the 'modifynvram' command.
419	* @returns Exit code.
420	* @param a The handler argument package.
421	*/
422	RTEXITCODE handleModifyNvram(HandlerArg *a)
423	{
424	HRESULT rc = S_OK;
425	ComPtr<IMachine> machine;
426	ComPtr<INvramStore> nvramStore;
427
428	if (a->argc < 2)
429	return errorNoSubcommand();
430
431	/* try to find the given machine */
432	CHECK_ERROR_RET(a->virtualBox, FindMachine(Bstr(a->argv[0]).raw(),
433	machine.asOutParam()), RTEXITCODE_FAILURE);
434
435	/* open a session for the VM (new or shared) */
436	CHECK_ERROR_RET(machine, LockMachine(a->session, LockType_Write), RTEXITCODE_FAILURE);
437
438	/* get the mutable session machine */
439	a->session->COMGETTER(Machine)(machine.asOutParam());
440	rc = machine->COMGETTER(NonVolatileStore)(nvramStore.asOutParam());
441	if (FAILED(rc)) goto leave;
442
443	if (!strcmp(a->argv[1], "inituefivarstore"))
444	{
445	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_INITUEFIVARSTORE);
446	rc = handleModifyNvramInitUefiVarStore(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
447	}
448	else if (!strcmp(a->argv[1], "enrollmssignatures"))
449	{
450	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLMSSIGNATURES);
451	rc = handleModifyNvramEnrollMsSignatures(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
452	}
453	else if (!strcmp(a->argv[1], "enrollpk"))
454	{
455	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLPK);
456	rc = handleModifyNvramEnrollPlatformKey(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
457	}
458	else if (!strcmp(a->argv[1], "enrollorclpk"))
459	{
460	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_ENROLLORCLPK);
461	rc = handleModifyNvramEnrollOraclePlatformKey(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
462	}
463	else if (!strcmp(a->argv[1], "listvars"))
464	{
465	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_LISTVARS);
466	rc = handleModifyNvramListUefiVars(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
467	}
468	else if (!strcmp(a->argv[1], "queryvar"))
469	{
470	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_QUERYVAR);
471	rc = handleModifyNvramQueryUefiVar(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
472	}
473	else if (!strcmp(a->argv[1], "deletevar"))
474	{
475	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_DELETEVAR);
476	rc = handleModifyNvramDeleteUefiVar(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
477	}
478	else if (!strcmp(a->argv[1], "changevar"))
479	{
480	setCurrentSubcommand(HELP_SCOPE_MODIFYNVRAM_CHANGEVAR);
481	rc = handleModifyNvramChangeUefiVar(a, nvramStore) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
482	}
483	else
484	return errorUnknownSubcommand(a->argv[0]);
485
486	/* commit changes */
487	if (SUCCEEDED(rc))
488	CHECK_ERROR(machine, SaveSettings());
489
490	leave:
491	/* it's important to always close sessions */
492	a->session->UnlockMachine();
493
494	return SUCCEEDED(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
495	}

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageModifyNvram.cpp@ 94660

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