VirtualBox

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

Last change on this file was 103532, checked in by vboxsync, 5 months ago

VBoxManage: Add subcommand for enabling UEFI secure boot (and show the status in the VM infos).
Main/NVRAMStore+UefiVariableStore: Tweaks to allow reading the UEFI secure boot state when the VM isn't mutable.
doc/manual: Update VBoxManage manpage.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 21.9 KB
Line 
1/* $Id: VBoxManageModifyNvram.cpp 103532 2024-02-22 14:05:31Z vboxsync $ */
2/** @file
3 * VBoxManage - The nvram control related commands.
4 */
5
6/*
7 * Copyright (C) 2021-2023 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#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"
50using namespace com;
51
52DECLARE_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 */
64static 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 */
80static 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 */
105static 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 */
158static 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 */
206static 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 */
254static 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 */
273static 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 */
328static 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 */
357static 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 */
436static 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 */
488static 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 */
563RTEXITCODE 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
641leave:
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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