[91326] | 1 | /* $Id: NvramStoreImpl.cpp 103532 2024-02-22 14:05:31Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox COM NVRAM store class implementation
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2021-2023 Oracle and/or its affiliates.
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[91326] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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[91326] | 26 | */
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| 27 |
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| 28 | #define LOG_GROUP LOG_GROUP_MAIN_NVRAMSTORE
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| 29 | #include "LoggingNew.h"
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| 30 |
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| 31 | #include "NvramStoreImpl.h"
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| 32 | #ifdef VBOX_COM_INPROC
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| 33 | # include "ConsoleImpl.h"
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| 34 | #else
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| 35 | # include "MachineImpl.h"
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[91614] | 36 | # include "GuestOSTypeImpl.h"
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[91396] | 37 | # include "AutoStateDep.h"
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[91326] | 38 | #endif
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[91396] | 39 | #include "UefiVariableStoreImpl.h"
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[94743] | 40 | #include "VirtualBoxImpl.h"
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[91326] | 41 |
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| 42 | #include "AutoCaller.h"
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| 43 |
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| 44 | #include <VBox/com/array.h>
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| 45 | #include <VBox/vmm/pdmdrv.h>
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| 46 | #include <VBox/err.h>
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| 47 |
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| 48 | #include <iprt/cpp/utils.h>
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| 49 | #include <iprt/efi.h>
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| 50 | #include <iprt/file.h>
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| 51 | #include <iprt/vfs.h>
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| 52 | #include <iprt/zip.h>
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| 53 |
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| 54 |
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| 55 | // defines
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| 56 | ////////////////////////////////////////////////////////////////////////////////
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| 57 |
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[94514] | 58 | /** Version of the NVRAM saved state unit. */
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| 59 | #define NVRAM_STORE_SAVED_STATE_VERSION 1
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| 60 |
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| 61 |
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[91326] | 62 | // globals
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| 63 | ////////////////////////////////////////////////////////////////////////////////
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| 64 |
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| 65 | /**
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| 66 | * NVRAM store driver instance data.
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| 67 | */
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| 68 | typedef struct DRVMAINNVRAMSTORE
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| 69 | {
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| 70 | /** Pointer to the keyboard object. */
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| 71 | NvramStore *pNvramStore;
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| 72 | /** Pointer to the driver instance structure. */
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| 73 | PPDMDRVINS pDrvIns;
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| 74 | /** Our VFS connector interface. */
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| 75 | PDMIVFSCONNECTOR IVfs;
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| 76 | } DRVMAINNVRAMSTORE, *PDRVMAINNVRAMSTORE;
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| 77 |
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| 78 | /** The NVRAM store map keyed by namespace/entity. */
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| 79 | typedef std::map<Utf8Str, RTVFSFILE> NvramStoreMap;
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| 80 | /** The NVRAM store map iterator. */
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| 81 | typedef std::map<Utf8Str, RTVFSFILE>::iterator NvramStoreIter;
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| 82 |
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| 83 | struct BackupableNvramStoreData
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| 84 | {
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| 85 | BackupableNvramStoreData()
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| 86 | { }
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| 87 |
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| 88 | /** The NVRAM file path. */
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| 89 | com::Utf8Str strNvramPath;
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[94660] | 90 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
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| 91 | /** The key id used for encrypting the NVRAM file */
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| 92 | com::Utf8Str strKeyId;
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| 93 | /** The key store containing the encrypting DEK */
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| 94 | com::Utf8Str strKeyStore;
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| 95 | #endif
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[91326] | 96 | /** The NVRAM store. */
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| 97 | NvramStoreMap mapNvram;
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| 98 | };
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| 99 |
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| 100 | /////////////////////////////////////////////////////////////////////////////
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| 101 | // NvramStore::Data structure
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| 102 | /////////////////////////////////////////////////////////////////////////////
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| 103 |
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| 104 | struct NvramStore::Data
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| 105 | {
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| 106 | Data()
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| 107 | : pParent(NULL)
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| 108 | #ifdef VBOX_COM_INPROC
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| 109 | , cRefs(0)
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[96853] | 110 | , fSsmSaved(false)
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[91326] | 111 | #endif
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[94743] | 112 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
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| 113 | , mpKeyStore(NULL)
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| 114 | #endif
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[91326] | 115 | { }
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| 116 |
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| 117 | #ifdef VBOX_COM_INPROC
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| 118 | /** The Console owning this NVRAM store. */
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| 119 | Console * const pParent;
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| 120 | /** Number of references held to this NVRAM store from the various devices/drivers. */
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| 121 | volatile uint32_t cRefs;
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[94514] | 122 | /** Flag whether the NVRAM data was saved during a save state operation
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| 123 | * preventing it from getting written to the backing file. */
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| 124 | bool fSsmSaved;
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[91326] | 125 | #else
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| 126 | /** The Machine object owning this NVRAM store. */
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[91396] | 127 | Machine * const pParent;
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[91326] | 128 | /** The peer NVRAM store object. */
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[91396] | 129 | ComObjPtr<NvramStore> pPeer;
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| 130 | /** The UEFI variable store. */
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| 131 | const ComObjPtr<UefiVariableStore> pUefiVarStore;
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[91326] | 132 | #endif
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| 133 |
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[94743] | 134 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
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| 135 | /* Store for secret keys. */
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| 136 | SecretKeyStore *mpKeyStore;
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| 137 | #endif
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| 138 |
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[91326] | 139 | Backupable<BackupableNvramStoreData> bd;
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| 140 | };
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| 141 |
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| 142 | // constructor / destructor
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| 143 | ////////////////////////////////////////////////////////////////////////////////
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| 144 |
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| 145 | DEFINE_EMPTY_CTOR_DTOR(NvramStore)
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| 146 |
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| 147 | HRESULT NvramStore::FinalConstruct()
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| 148 | {
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| 149 | return BaseFinalConstruct();
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| 150 | }
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| 151 |
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| 152 | void NvramStore::FinalRelease()
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| 153 | {
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| 154 | uninit();
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| 155 | BaseFinalRelease();
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| 156 | }
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| 157 |
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| 158 | // public initializer/uninitializer for internal purposes only
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| 159 | /////////////////////////////////////////////////////////////////////////////
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| 160 |
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[94743] | 161 | /**
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| 162 | * Initialization stuff shared across the different methods.
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| 163 | *
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| 164 | * @returns COM result indicator
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| 165 | */
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| 166 | int NvramStore::initImpl()
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| 167 | {
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| 168 | m = new Data();
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| 169 |
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| 170 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
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| 171 | # ifdef VBOX_COM_INPROC
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| 172 | bool fNonPageable = true;
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| 173 | # else
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| 174 | /* Non-pageable memory is not accessible for non-VM process */
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| 175 | bool fNonPageable = false;
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| 176 | # endif
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| 177 |
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| 178 | m->mpKeyStore = new SecretKeyStore(fNonPageable /* fKeyBufNonPageable */);
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| 179 | AssertReturn(m->mpKeyStore, VERR_NO_MEMORY);
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| 180 | #endif
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| 181 |
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| 182 | return VINF_SUCCESS;
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| 183 | }
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| 184 |
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| 185 |
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[91326] | 186 | #if !defined(VBOX_COM_INPROC)
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| 187 | /**
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| 188 | * Initializes the NVRAM store object.
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| 189 | *
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| 190 | * @returns COM result indicator
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| 191 | */
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| 192 | HRESULT NvramStore::init(Machine *aParent)
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| 193 | {
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| 194 | LogFlowThisFuncEnter();
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| 195 | LogFlowThisFunc(("aParent: %p\n", aParent));
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| 196 |
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| 197 | ComAssertRet(aParent, E_INVALIDARG);
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| 198 |
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| 199 | /* Enclose the state transition NotReady->InInit->Ready */
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| 200 | AutoInitSpan autoInitSpan(this);
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| 201 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 202 |
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[94743] | 203 | int vrc = initImpl();
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| 204 | if (RT_FAILURE(vrc))
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| 205 | return E_FAIL;
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[91326] | 206 |
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| 207 | /* share the parent weakly */
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| 208 | unconst(m->pParent) = aParent;
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| 209 |
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| 210 | m->bd.allocate();
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| 211 |
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| 212 | autoInitSpan.setSucceeded();
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| 213 |
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| 214 | LogFlowThisFuncLeave();
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| 215 | return S_OK;
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| 216 | }
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| 217 |
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| 218 | /**
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| 219 | * Initializes the NVRAM store object given another NVRAM store object
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| 220 | * (a kind of copy constructor). This object shares data with
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| 221 | * the object passed as an argument.
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| 222 | *
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| 223 | * @note This object must be destroyed before the original object
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| 224 | * it shares data with is destroyed.
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| 225 | */
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| 226 | HRESULT NvramStore::init(Machine *aParent, NvramStore *that)
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| 227 | {
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| 228 | LogFlowThisFuncEnter();
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| 229 | LogFlowThisFunc(("aParent: %p, that: %p\n", aParent, that));
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| 230 |
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| 231 | ComAssertRet(aParent && that, E_INVALIDARG);
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| 232 |
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| 233 | /* Enclose the state transition NotReady->InInit->Ready */
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| 234 | AutoInitSpan autoInitSpan(this);
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| 235 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 236 |
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[94743] | 237 | initImpl();
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[91326] | 238 |
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| 239 | unconst(m->pParent) = aParent;
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| 240 | m->pPeer = that;
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| 241 |
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| 242 | AutoWriteLock thatlock(that COMMA_LOCKVAL_SRC_POS);
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| 243 | m->bd.share(that->m->bd);
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| 244 |
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| 245 | autoInitSpan.setSucceeded();
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| 246 |
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| 247 | LogFlowThisFuncLeave();
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| 248 | return S_OK;
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| 249 | }
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| 250 |
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| 251 | /**
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| 252 | * Initializes the guest object given another guest object
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| 253 | * (a kind of copy constructor). This object makes a private copy of data
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| 254 | * of the original object passed as an argument.
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| 255 | */
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| 256 | HRESULT NvramStore::initCopy(Machine *aParent, NvramStore *that)
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| 257 | {
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| 258 | LogFlowThisFuncEnter();
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| 259 | LogFlowThisFunc(("aParent: %p, that: %p\n", aParent, that));
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| 260 |
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| 261 | ComAssertRet(aParent && that, E_INVALIDARG);
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| 262 |
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| 263 | /* Enclose the state transition NotReady->InInit->Ready */
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| 264 | AutoInitSpan autoInitSpan(this);
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| 265 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 266 |
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[94743] | 267 | initImpl();
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[91326] | 268 |
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| 269 | unconst(m->pParent) = aParent;
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| 270 | // mPeer is left null
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| 271 |
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| 272 | AutoWriteLock thatlock(that COMMA_LOCKVAL_SRC_POS);
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| 273 | m->bd.attachCopy(that->m->bd);
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| 274 |
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| 275 | autoInitSpan.setSucceeded();
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| 276 |
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| 277 | LogFlowThisFuncLeave();
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| 278 | return S_OK;
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| 279 | }
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| 280 |
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| 281 | #else
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| 282 |
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| 283 | /**
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| 284 | * Initializes the NVRAM store object.
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| 285 | *
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| 286 | * @returns COM result indicator
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| 287 | * @param aParent Handle of our parent object
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| 288 | * @param strNonVolatileStorageFile The NVRAM file path.
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| 289 | */
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| 290 | HRESULT NvramStore::init(Console *aParent, const com::Utf8Str &strNonVolatileStorageFile)
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| 291 | {
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| 292 | LogFlowThisFunc(("aParent=%p\n", aParent));
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| 293 |
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| 294 | ComAssertRet(aParent, E_INVALIDARG);
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| 295 |
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| 296 | /* Enclose the state transition NotReady->InInit->Ready */
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| 297 | AutoInitSpan autoInitSpan(this);
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| 298 | AssertReturn(autoInitSpan.isOk(), E_FAIL);
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| 299 |
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[94743] | 300 | initImpl();
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| 301 |
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[91326] | 302 | unconst(m->pParent) = aParent;
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| 303 |
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| 304 | m->bd.allocate();
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| 305 | m->bd->strNvramPath = strNonVolatileStorageFile;
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| 306 |
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| 307 | /* Confirm a successful initialization */
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| 308 | autoInitSpan.setSucceeded();
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| 309 |
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| 310 | return S_OK;
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| 311 | }
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| 312 | #endif /* VBOX_COM_INPROC */
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| 313 |
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| 314 |
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| 315 | /**
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| 316 | * Uninitializes the instance and sets the ready flag to FALSE.
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| 317 | * Called either from FinalRelease() or by the parent when it gets destroyed.
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| 318 | */
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| 319 | void NvramStore::uninit()
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| 320 | {
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| 321 | LogFlowThisFuncEnter();
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| 322 |
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| 323 | /* Enclose the state transition Ready->InUninit->NotReady */
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| 324 | AutoUninitSpan autoUninitSpan(this);
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| 325 | if (autoUninitSpan.uninitDone())
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| 326 | return;
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| 327 |
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| 328 | unconst(m->pParent) = NULL;
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[91434] | 329 | #ifndef VBOX_COM_INPROC
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| 330 | unconst(m->pUefiVarStore) = NULL;
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| 331 | #endif
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[91326] | 332 |
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| 333 | /* Delete the NVRAM content. */
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| 334 | NvramStoreIter it = m->bd->mapNvram.begin();
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| 335 | while (it != m->bd->mapNvram.end())
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| 336 | {
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| 337 | RTVfsFileRelease(it->second);
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| 338 | it++;
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| 339 | }
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| 340 |
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| 341 | m->bd->mapNvram.clear();
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[94819] | 342 | m->bd.free();
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[91326] | 343 |
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[94743] | 344 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
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| 345 | if (m->mpKeyStore != NULL)
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| 346 | delete m->mpKeyStore;
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| 347 | #endif
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| 348 |
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[91326] | 349 | delete m;
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| 350 | m = NULL;
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| 351 |
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| 352 | LogFlowThisFuncLeave();
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| 353 | }
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| 354 |
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| 355 |
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| 356 | HRESULT NvramStore::getNonVolatileStorageFile(com::Utf8Str &aNonVolatileStorageFile)
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| 357 | {
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| 358 | #ifndef VBOX_COM_INPROC
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| 359 | Utf8Str strTmp;
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| 360 | {
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| 361 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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| 362 | strTmp = m->bd->strNvramPath;
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| 363 | }
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| 364 |
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| 365 | AutoReadLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
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| 366 | if (strTmp.isEmpty())
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| 367 | strTmp = m->pParent->i_getDefaultNVRAMFilename();
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| 368 | if (strTmp.isNotEmpty())
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| 369 | m->pParent->i_calculateFullPath(strTmp, aNonVolatileStorageFile);
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| 370 | #else
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| 371 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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| 372 | aNonVolatileStorageFile = m->bd->strNvramPath;
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| 373 | #endif
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| 374 |
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| 375 | return S_OK;
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| 376 | }
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| 377 |
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| 378 |
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[91396] | 379 | HRESULT NvramStore::getUefiVariableStore(ComPtr<IUefiVariableStore> &aUefiVarStore)
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| 380 | {
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| 381 | #ifndef VBOX_COM_INPROC
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[91434] | 382 | Utf8Str strPath;
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| 383 | NvramStore::getNonVolatileStorageFile(strPath);
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| 384 |
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[91396] | 385 | /* We need a write lock because of the lazy initialization. */
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| 386 | AutoWriteLock wlock(this COMMA_LOCKVAL_SRC_POS);
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| 387 |
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[91434] | 388 | /* Check if we have to create the UEFI variable store object */
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[91396] | 389 | HRESULT hrc = S_OK;
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| 390 | if (!m->pUefiVarStore)
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| 391 | {
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| 392 | /* Load the NVRAM file first if it isn't already. */
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| 393 | if (!m->bd->mapNvram.size())
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| 394 | {
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[91434] | 395 | int vrc = i_loadStore(strPath.c_str());
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[91396] | 396 | if (RT_FAILURE(vrc))
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| 397 | hrc = setError(E_FAIL, tr("Loading the NVRAM store failed (%Rrc)\n"), vrc);
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| 398 | }
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| 399 |
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| 400 | if (SUCCEEDED(hrc))
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| 401 | {
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| 402 | NvramStoreIter it = m->bd->mapNvram.find("efi/nvram");
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| 403 | if (it != m->bd->mapNvram.end())
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| 404 | {
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[91535] | 405 | unconst(m->pUefiVarStore).createObject();
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| 406 | m->pUefiVarStore->init(this, m->pParent);
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[91396] | 407 | }
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| 408 | else
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| 409 | hrc = setError(VBOX_E_OBJECT_NOT_FOUND, tr("The UEFI NVRAM file is not existing for this machine."));
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| 410 | }
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| 411 | }
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| 412 |
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| 413 | if (SUCCEEDED(hrc))
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[91434] | 414 | {
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[91396] | 415 | m->pUefiVarStore.queryInterfaceTo(aUefiVarStore.asOutParam());
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[103532] | 416 | /* The "modified" state is handled by i_retainUefiVarStore. */
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[91434] | 417 | }
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| 418 |
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[91396] | 419 | return hrc;
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| 420 | #else
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| 421 | NOREF(aUefiVarStore);
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| 422 | return E_NOTIMPL;
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| 423 | #endif
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| 424 | }
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| 425 |
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| 426 |
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[94660] | 427 | HRESULT NvramStore::getKeyId(com::Utf8Str &aKeyId)
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| 428 | {
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| 429 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
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| 430 |
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| 431 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
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| 432 | aKeyId = m->bd->strKeyId;
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| 433 | #else
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| 434 | aKeyId = com::Utf8Str::Empty;
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| 435 | #endif
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| 436 |
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| 437 | return S_OK;
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| 438 | }
|
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| 439 |
|
---|
| 440 |
|
---|
| 441 | HRESULT NvramStore::getKeyStore(com::Utf8Str &aKeyStore)
|
---|
| 442 | {
|
---|
| 443 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 444 |
|
---|
| 445 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 446 | aKeyStore = m->bd->strKeyStore;
|
---|
| 447 | #else
|
---|
| 448 | aKeyStore = com::Utf8Str::Empty;
|
---|
| 449 | #endif
|
---|
| 450 |
|
---|
| 451 | return S_OK;
|
---|
| 452 | }
|
---|
| 453 |
|
---|
| 454 |
|
---|
[91396] | 455 | HRESULT NvramStore::initUefiVariableStore(ULONG aSize)
|
---|
| 456 | {
|
---|
[91434] | 457 | #ifndef VBOX_COM_INPROC
|
---|
| 458 | if (aSize != 0)
|
---|
| 459 | return setError(E_NOTIMPL, tr("Supporting another NVRAM size apart from the default one is not supported right now"));
|
---|
| 460 |
|
---|
| 461 | /* the machine needs to be mutable */
|
---|
| 462 | AutoMutableStateDependency adep(m->pParent);
|
---|
[98262] | 463 | if (FAILED(adep.hrc())) return adep.hrc();
|
---|
[91434] | 464 |
|
---|
| 465 | Utf8Str strPath;
|
---|
| 466 | NvramStore::getNonVolatileStorageFile(strPath);
|
---|
| 467 |
|
---|
| 468 | /* We need a write lock because of the lazy initialization. */
|
---|
[91457] | 469 | AutoReadLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
|
---|
[91434] | 470 | AutoWriteLock wlock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 471 |
|
---|
[91457] | 472 | if (m->pParent->i_getFirmwareType() == FirmwareType_BIOS)
|
---|
| 473 | return setError(VBOX_E_NOT_SUPPORTED, tr("The selected firmware type doesn't support a UEFI variable store"));
|
---|
| 474 |
|
---|
[91434] | 475 | /* Load the NVRAM file first if it isn't already. */
|
---|
| 476 | HRESULT hrc = S_OK;
|
---|
| 477 | if (!m->bd->mapNvram.size())
|
---|
| 478 | {
|
---|
| 479 | int vrc = i_loadStore(strPath.c_str());
|
---|
| 480 | if (RT_FAILURE(vrc))
|
---|
| 481 | hrc = setError(E_FAIL, tr("Loading the NVRAM store failed (%Rrc)\n"), vrc);
|
---|
| 482 | }
|
---|
| 483 |
|
---|
| 484 | if (SUCCEEDED(hrc))
|
---|
| 485 | {
|
---|
| 486 | int vrc = VINF_SUCCESS;
|
---|
| 487 | RTVFSFILE hVfsUefiVarStore = NIL_RTVFSFILE;
|
---|
| 488 | NvramStoreIter it = m->bd->mapNvram.find("efi/nvram");
|
---|
| 489 | if (it != m->bd->mapNvram.end())
|
---|
| 490 | hVfsUefiVarStore = it->second;
|
---|
| 491 | else
|
---|
| 492 | {
|
---|
| 493 | /* Create a new file. */
|
---|
| 494 | vrc = RTVfsMemFileCreate(NIL_RTVFSIOSTREAM, 0 /*cbEstimate*/, &hVfsUefiVarStore);
|
---|
| 495 | if (RT_SUCCESS(vrc))
|
---|
| 496 | {
|
---|
| 497 | /** @todo The size is hardcoded to match what the firmware image uses right now which is a gross hack... */
|
---|
[91497] | 498 | vrc = RTVfsFileSetSize(hVfsUefiVarStore, 540672, RTVFSFILE_SIZE_F_NORMAL);
|
---|
[91434] | 499 | if (RT_SUCCESS(vrc))
|
---|
| 500 | m->bd->mapNvram["efi/nvram"] = hVfsUefiVarStore;
|
---|
| 501 | else
|
---|
| 502 | RTVfsFileRelease(hVfsUefiVarStore);
|
---|
| 503 | }
|
---|
| 504 | }
|
---|
| 505 |
|
---|
| 506 | if (RT_SUCCESS(vrc))
|
---|
| 507 | {
|
---|
| 508 | vrc = RTEfiVarStoreCreate(hVfsUefiVarStore, 0 /*offStore*/, 0 /*cbStore*/, RTEFIVARSTORE_CREATE_F_DEFAULT, 0 /*cbBlock*/,
|
---|
| 509 | NULL /*pErrInfo*/);
|
---|
| 510 | if (RT_FAILURE(vrc))
|
---|
| 511 | return setError(E_FAIL, tr("Failed to initialize the UEFI variable store (%Rrc)"), vrc);
|
---|
| 512 | }
|
---|
| 513 | else
|
---|
| 514 | return setError(E_FAIL, tr("Failed to initialize the UEFI variable store (%Rrc)"), vrc);
|
---|
| 515 |
|
---|
| 516 | m->pParent->i_setModified(Machine::IsModified_NvramStore);
|
---|
| 517 | }
|
---|
| 518 |
|
---|
| 519 | return hrc;
|
---|
| 520 | #else
|
---|
[91396] | 521 | NOREF(aSize);
|
---|
| 522 | return E_NOTIMPL;
|
---|
[91434] | 523 | #endif
|
---|
[91396] | 524 | }
|
---|
| 525 |
|
---|
| 526 |
|
---|
[91326] | 527 | Utf8Str NvramStore::i_getNonVolatileStorageFile()
|
---|
| 528 | {
|
---|
| 529 | AutoCaller autoCaller(this);
|
---|
[94912] | 530 | AssertReturn(autoCaller.isOk(), Utf8Str::Empty);
|
---|
[91326] | 531 |
|
---|
| 532 | Utf8Str strTmp;
|
---|
| 533 | NvramStore::getNonVolatileStorageFile(strTmp);
|
---|
| 534 | return strTmp;
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 |
|
---|
| 538 | /**
|
---|
| 539 | * Loads the NVRAM store from the given TAR filesystem stream.
|
---|
| 540 | *
|
---|
| 541 | * @returns IPRT status code.
|
---|
| 542 | * @param hVfsFssTar Handle to the tar filesystem stream.
|
---|
| 543 | */
|
---|
| 544 | int NvramStore::i_loadStoreFromTar(RTVFSFSSTREAM hVfsFssTar)
|
---|
| 545 | {
|
---|
[94912] | 546 | int vrc = VINF_SUCCESS;
|
---|
[91326] | 547 |
|
---|
| 548 | /*
|
---|
| 549 | * Process the stream.
|
---|
| 550 | */
|
---|
| 551 | for (;;)
|
---|
| 552 | {
|
---|
| 553 | /*
|
---|
| 554 | * Retrieve the next object.
|
---|
| 555 | */
|
---|
| 556 | char *pszName;
|
---|
| 557 | RTVFSOBJ hVfsObj;
|
---|
[94912] | 558 | vrc = RTVfsFsStrmNext(hVfsFssTar, &pszName, NULL, &hVfsObj);
|
---|
| 559 | if (RT_FAILURE(vrc))
|
---|
[91326] | 560 | {
|
---|
[94912] | 561 | if (vrc == VERR_EOF)
|
---|
| 562 | vrc = VINF_SUCCESS;
|
---|
[91326] | 563 | break;
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 | RTFSOBJINFO UnixInfo;
|
---|
[94912] | 567 | vrc = RTVfsObjQueryInfo(hVfsObj, &UnixInfo, RTFSOBJATTRADD_UNIX);
|
---|
| 568 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 569 | {
|
---|
| 570 | switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
|
---|
| 571 | {
|
---|
| 572 | case RTFS_TYPE_FILE:
|
---|
| 573 | {
|
---|
| 574 | LogRel(("NvramStore: Loading '%s' from archive\n", pszName));
|
---|
| 575 | RTVFSIOSTREAM hVfsIosEntry = RTVfsObjToIoStream(hVfsObj);
|
---|
| 576 | Assert(hVfsIosEntry != NIL_RTVFSIOSTREAM);
|
---|
| 577 |
|
---|
| 578 | RTVFSFILE hVfsFileEntry;
|
---|
[94912] | 579 | vrc = RTVfsMemorizeIoStreamAsFile(hVfsIosEntry, RTFILE_O_READ | RTFILE_O_WRITE, &hVfsFileEntry);
|
---|
| 580 | if (RT_FAILURE(vrc))
|
---|
[91326] | 581 | break;
|
---|
| 582 | RTVfsIoStrmRelease(hVfsIosEntry);
|
---|
| 583 |
|
---|
| 584 | m->bd->mapNvram[Utf8Str(pszName)] = hVfsFileEntry;
|
---|
| 585 | break;
|
---|
| 586 | }
|
---|
| 587 | case RTFS_TYPE_DIRECTORY:
|
---|
| 588 | break;
|
---|
| 589 | default:
|
---|
[94912] | 590 | vrc = VERR_NOT_SUPPORTED;
|
---|
[91326] | 591 | break;
|
---|
| 592 | }
|
---|
| 593 | }
|
---|
| 594 |
|
---|
| 595 | /*
|
---|
| 596 | * Release the current object and string.
|
---|
| 597 | */
|
---|
| 598 | RTVfsObjRelease(hVfsObj);
|
---|
| 599 | RTStrFree(pszName);
|
---|
| 600 |
|
---|
[94912] | 601 | if (RT_FAILURE(vrc))
|
---|
[91326] | 602 | break;
|
---|
| 603 | }
|
---|
| 604 |
|
---|
[94912] | 605 | return vrc;
|
---|
[91326] | 606 | }
|
---|
| 607 |
|
---|
[99739] | 608 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
[91326] | 609 |
|
---|
| 610 | /**
|
---|
[94743] | 611 | * Sets up the encryption or decryption machinery.
|
---|
| 612 | *
|
---|
| 613 | * @returns VBox status code.
|
---|
| 614 | * @param hVfsIosInOut Handle to the input stream to be decrypted or the destination to the encrypted
|
---|
| 615 | * output is written to.
|
---|
| 616 | * @param fEncrypt Flag whether to setup encryption or decryption.
|
---|
| 617 | * @param ppCryptoIf Where to store the pointer to the cryptographic interface which needs to be released
|
---|
| 618 | * when done.
|
---|
| 619 | * @param ppKey Where to store the pointer to the secret key buffer which needs to be released when done.
|
---|
| 620 | * @param phVfsIos Where to store the handle to the plaintext I/O stream (either input or output) on success.
|
---|
| 621 | */
|
---|
| 622 | int NvramStore::i_setupEncryptionOrDecryption(RTVFSIOSTREAM hVfsIosInOut, bool fEncrypt,
|
---|
| 623 | PCVBOXCRYPTOIF *ppCryptoIf, SecretKey **ppKey,
|
---|
| 624 | PRTVFSIOSTREAM phVfsIos)
|
---|
| 625 | {
|
---|
[94912] | 626 | int vrc = VINF_SUCCESS;
|
---|
[94743] | 627 | PCVBOXCRYPTOIF pCryptoIf = NULL;
|
---|
| 628 | SecretKey *pKey = NULL;
|
---|
| 629 | const char *pszPassword = NULL;
|
---|
| 630 |
|
---|
[94912] | 631 | vrc = i_retainCryptoIf(&pCryptoIf);
|
---|
| 632 | if (RT_SUCCESS(vrc))
|
---|
[94743] | 633 | {
|
---|
[94912] | 634 | vrc = m->mpKeyStore->retainSecretKey(m->bd->strKeyId, &pKey);
|
---|
| 635 | if (RT_SUCCESS(vrc))
|
---|
[94743] | 636 | {
|
---|
| 637 | pszPassword = (const char *)pKey->getKeyBuffer();
|
---|
| 638 | if (fEncrypt)
|
---|
[94912] | 639 | vrc = pCryptoIf->pfnCryptoIoStrmFromVfsIoStrmEncrypt(hVfsIosInOut, m->bd->strKeyStore.c_str(), pszPassword,
|
---|
| 640 | phVfsIos);
|
---|
[94743] | 641 | else
|
---|
[94912] | 642 | vrc = pCryptoIf->pfnCryptoIoStrmFromVfsIoStrmDecrypt(hVfsIosInOut, m->bd->strKeyStore.c_str(), pszPassword,
|
---|
| 643 | phVfsIos);
|
---|
| 644 | if (RT_SUCCESS(vrc))
|
---|
[94743] | 645 | {
|
---|
| 646 | *ppCryptoIf = pCryptoIf;
|
---|
| 647 | *ppKey = pKey;
|
---|
| 648 | return VINF_SUCCESS;
|
---|
| 649 | }
|
---|
| 650 | else
|
---|
| 651 | LogRelMax(10, ("Failed to decrypt the NVRAM store using secret key ID '%s' with %Rrc\n",
|
---|
[94912] | 652 | m->bd->strKeyId.c_str(), vrc));
|
---|
[94743] | 653 |
|
---|
| 654 | m->mpKeyStore->releaseSecretKey(m->bd->strKeyId);
|
---|
| 655 | }
|
---|
| 656 | else
|
---|
| 657 | LogRelMax(10, ("Failed to retain the secret key ID '%s' with %Rrc\n",
|
---|
[94912] | 658 | m->bd->strKeyId.c_str(), vrc));
|
---|
[94743] | 659 |
|
---|
| 660 | i_releaseCryptoIf(pCryptoIf);
|
---|
| 661 | }
|
---|
| 662 | else
|
---|
[94912] | 663 | LogRelMax(10, ("Failed to retain the cryptographic interface with %Rrc\n", vrc));
|
---|
[94743] | 664 |
|
---|
[94912] | 665 | return vrc;
|
---|
[94743] | 666 | }
|
---|
| 667 |
|
---|
| 668 | /**
|
---|
| 669 | * Releases all resources acquired in NvramStore::i_setupEncryptionOrDecryption().
|
---|
| 670 | *
|
---|
| 671 | * @param hVfsIos Handle to the I/O stream previously created.
|
---|
| 672 | * @param pCryptoIf Pointer to the cryptographic interface being released.
|
---|
| 673 | * @param pKey Pointer to the key buffer being released.
|
---|
| 674 | */
|
---|
| 675 | void NvramStore::i_releaseEncryptionOrDecryptionResources(RTVFSIOSTREAM hVfsIos, PCVBOXCRYPTOIF pCryptoIf,
|
---|
| 676 | SecretKey *pKey)
|
---|
| 677 | {
|
---|
| 678 | Assert(hVfsIos != NIL_RTVFSIOSTREAM);
|
---|
| 679 | AssertPtr(pCryptoIf);
|
---|
| 680 | AssertPtr(pKey);
|
---|
| 681 |
|
---|
| 682 | i_releaseCryptoIf(pCryptoIf);
|
---|
[94810] | 683 | pKey->release();
|
---|
[94743] | 684 | RTVfsIoStrmRelease(hVfsIos);
|
---|
| 685 | }
|
---|
| 686 |
|
---|
[99739] | 687 | #endif /* VBOX_WITH_FULL_VM_ENCRYPTION */
|
---|
[94743] | 688 |
|
---|
| 689 | /**
|
---|
[91326] | 690 | * Loads the NVRAM store.
|
---|
| 691 | *
|
---|
| 692 | * @returns IPRT status code.
|
---|
| 693 | */
|
---|
[91434] | 694 | int NvramStore::i_loadStore(const char *pszPath)
|
---|
[91326] | 695 | {
|
---|
| 696 | uint64_t cbStore = 0;
|
---|
[94912] | 697 | int vrc = RTFileQuerySizeByPath(pszPath, &cbStore);
|
---|
| 698 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 699 | {
|
---|
| 700 | if (cbStore <= _1M) /* Arbitrary limit to fend off bogus files because the file will be read into memory completely. */
|
---|
| 701 | {
|
---|
| 702 | /*
|
---|
| 703 | * Old NVRAM files just consist of the EFI variable store whereas starting
|
---|
| 704 | * with VirtualBox 7.0 and the introduction of the TPM the need to handle multiple
|
---|
| 705 | * independent NVRAM files came up. For those scenarios all NVRAM states are collected
|
---|
| 706 | * in a tar archive.
|
---|
| 707 | *
|
---|
| 708 | * Here we detect whether the file is the new tar archive format or whether it is just
|
---|
| 709 | * the plain EFI variable store file.
|
---|
| 710 | */
|
---|
| 711 | RTVFSIOSTREAM hVfsIosNvram;
|
---|
[94912] | 712 | vrc = RTVfsIoStrmOpenNormal(pszPath, RTFILE_O_OPEN | RTFILE_O_READ | RTFILE_O_DENY_NONE,
|
---|
| 713 | &hVfsIosNvram);
|
---|
| 714 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 715 | {
|
---|
[94743] | 716 | RTVFSIOSTREAM hVfsIosDecrypted = NIL_RTVFSIOSTREAM;
|
---|
| 717 |
|
---|
| 718 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 719 | PCVBOXCRYPTOIF pCryptoIf = NULL;
|
---|
| 720 | SecretKey *pKey = NULL;
|
---|
| 721 |
|
---|
| 722 | if ( m->bd->strKeyId.isNotEmpty()
|
---|
| 723 | && m->bd->strKeyStore.isNotEmpty())
|
---|
[94912] | 724 | vrc = i_setupEncryptionOrDecryption(hVfsIosNvram, false /*fEncrypt*/,
|
---|
| 725 | &pCryptoIf, &pKey, &hVfsIosDecrypted);
|
---|
[94743] | 726 | #endif
|
---|
[94912] | 727 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 728 | {
|
---|
[94743] | 729 | /* Read the content. */
|
---|
| 730 | RTVFSFILE hVfsFileNvram;
|
---|
[94912] | 731 | vrc = RTVfsMemorizeIoStreamAsFile( hVfsIosDecrypted != NIL_RTVFSIOSTREAM
|
---|
| 732 | ? hVfsIosDecrypted
|
---|
| 733 | : hVfsIosNvram,
|
---|
| 734 | RTFILE_O_READ, &hVfsFileNvram);
|
---|
| 735 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 736 | {
|
---|
[94912] | 737 | if (RT_SUCCESS(vrc))
|
---|
[94743] | 738 | {
|
---|
| 739 | /* Try to parse it as an EFI variable store. */
|
---|
[99424] | 740 | RTERRINFOSTATIC ErrInfo;
|
---|
[94743] | 741 | RTVFS hVfsEfiVarStore;
|
---|
[99424] | 742 | vrc = RTEfiVarStoreOpenAsVfs(hVfsFileNvram, RTVFSMNT_F_READ_ONLY, 0 /*fVarStoreFlags*/,
|
---|
| 743 | &hVfsEfiVarStore, RTErrInfoInitStatic(&ErrInfo));
|
---|
[94912] | 744 | if (RT_SUCCESS(vrc))
|
---|
[94743] | 745 | {
|
---|
[94912] | 746 | vrc = RTVfsFileSeek(hVfsFileNvram, 0 /*offSeek*/, RTFILE_SEEK_BEGIN, NULL /*poffActual*/);
|
---|
| 747 | AssertRC(vrc);
|
---|
[91326] | 748 |
|
---|
[94743] | 749 | RTVfsFileRetain(hVfsFileNvram); /* Retain a new reference for the map. */
|
---|
| 750 | m->bd->mapNvram[Utf8Str("efi/nvram")] = hVfsFileNvram;
|
---|
[91326] | 751 |
|
---|
[94743] | 752 | RTVfsRelease(hVfsEfiVarStore);
|
---|
| 753 | }
|
---|
[94912] | 754 | else if (vrc == VERR_VFS_UNKNOWN_FORMAT)
|
---|
[94743] | 755 | {
|
---|
| 756 | /* Check for the new style tar archive. */
|
---|
[94912] | 757 | vrc = RTVfsFileSeek(hVfsFileNvram, 0 /*offSeek*/, RTFILE_SEEK_BEGIN, NULL /*poffActual*/);
|
---|
| 758 | AssertRC(vrc);
|
---|
[91326] | 759 |
|
---|
[94743] | 760 | RTVFSIOSTREAM hVfsIosTar = RTVfsFileToIoStream(hVfsFileNvram);
|
---|
| 761 | Assert(hVfsIosTar != NIL_RTVFSIOSTREAM);
|
---|
[91326] | 762 |
|
---|
[94743] | 763 | RTVFSFSSTREAM hVfsFssTar;
|
---|
[94912] | 764 | vrc = RTZipTarFsStreamFromIoStream(hVfsIosTar, 0 /*fFlags*/, &hVfsFssTar);
|
---|
[94743] | 765 | RTVfsIoStrmRelease(hVfsIosTar);
|
---|
[94912] | 766 | if (RT_SUCCESS(vrc))
|
---|
[94743] | 767 | {
|
---|
[94912] | 768 | vrc = i_loadStoreFromTar(hVfsFssTar);
|
---|
[94743] | 769 | RTVfsFsStrmRelease(hVfsFssTar);
|
---|
| 770 | }
|
---|
| 771 | else
|
---|
[94912] | 772 | LogRel(("The given NVRAM file is neither a raw UEFI variable store nor a tar archive (opening failed with %Rrc)\n", vrc));
|
---|
[94743] | 773 | }
|
---|
| 774 | else
|
---|
[99424] | 775 | LogRel(("Opening the UEFI variable store '%s' failed with %Rrc%RTeim\n", pszPath, vrc, &ErrInfo.Core));
|
---|
[94743] | 776 |
|
---|
| 777 | RTVfsFileRelease(hVfsFileNvram);
|
---|
[91326] | 778 | }
|
---|
| 779 | else
|
---|
[94912] | 780 | LogRel(("Failed to memorize NVRAM store '%s' with %Rrc\n", pszPath, vrc));
|
---|
[91326] | 781 | }
|
---|
| 782 | }
|
---|
| 783 |
|
---|
[94743] | 784 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 785 | if (hVfsIosDecrypted != NIL_RTVFSIOSTREAM)
|
---|
| 786 | i_releaseEncryptionOrDecryptionResources(hVfsIosDecrypted, pCryptoIf, pKey);
|
---|
| 787 | #endif
|
---|
| 788 |
|
---|
[91326] | 789 | RTVfsIoStrmRelease(hVfsIosNvram);
|
---|
| 790 | }
|
---|
| 791 | else
|
---|
[94912] | 792 | LogRelMax(10, ("NVRAM store '%s' couldn't be opened with %Rrc\n", pszPath, vrc));
|
---|
[91326] | 793 | }
|
---|
| 794 | else
|
---|
[99424] | 795 | {
|
---|
[91326] | 796 | LogRelMax(10, ("NVRAM store '%s' exceeds limit of %u bytes, actual size is %u\n",
|
---|
[91434] | 797 | pszPath, _1M, cbStore));
|
---|
[99424] | 798 | vrc = VERR_OUT_OF_RANGE;
|
---|
| 799 | }
|
---|
[91326] | 800 | }
|
---|
[94912] | 801 | else if (vrc == VERR_FILE_NOT_FOUND) /* Valid for the first run where no NVRAM file is there. */
|
---|
| 802 | vrc = VINF_SUCCESS;
|
---|
[91326] | 803 |
|
---|
[94912] | 804 | return vrc;
|
---|
[91326] | 805 | }
|
---|
| 806 |
|
---|
| 807 |
|
---|
| 808 | /**
|
---|
| 809 | * Saves the NVRAM store as a tar archive.
|
---|
| 810 | */
|
---|
[91536] | 811 | int NvramStore::i_saveStoreAsTar(const char *pszPath)
|
---|
[91326] | 812 | {
|
---|
| 813 | uint32_t offError = 0;
|
---|
| 814 | RTERRINFOSTATIC ErrInfo;
|
---|
| 815 | RTVFSIOSTREAM hVfsIos;
|
---|
| 816 |
|
---|
[94912] | 817 | int vrc = RTVfsChainOpenIoStream(pszPath, RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE,
|
---|
| 818 | &hVfsIos, &offError, RTErrInfoInitStatic(&ErrInfo));
|
---|
| 819 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 820 | {
|
---|
[94743] | 821 | RTVFSIOSTREAM hVfsIosEncrypted = NIL_RTVFSIOSTREAM;
|
---|
| 822 |
|
---|
| 823 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 824 | PCVBOXCRYPTOIF pCryptoIf = NULL;
|
---|
| 825 | SecretKey *pKey = NULL;
|
---|
| 826 |
|
---|
| 827 | if ( m->bd->strKeyId.isNotEmpty()
|
---|
| 828 | && m->bd->strKeyStore.isNotEmpty())
|
---|
[94912] | 829 | vrc = i_setupEncryptionOrDecryption(hVfsIos, true /*fEncrypt*/,
|
---|
| 830 | &pCryptoIf, &pKey, &hVfsIosEncrypted);
|
---|
[94743] | 831 | #endif
|
---|
| 832 |
|
---|
[94912] | 833 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 834 | {
|
---|
[94743] | 835 | RTVFSFSSTREAM hVfsFss;
|
---|
[94912] | 836 | vrc = RTZipTarFsStreamToIoStream( hVfsIosEncrypted != NIL_RTVFSIOSTREAM
|
---|
| 837 | ? hVfsIosEncrypted
|
---|
| 838 | : hVfsIos,
|
---|
| 839 | RTZIPTARFORMAT_GNU, 0 /*fFlags*/, &hVfsFss);
|
---|
| 840 | if (RT_SUCCESS(vrc))
|
---|
[91326] | 841 | {
|
---|
[94743] | 842 | NvramStoreIter it = m->bd->mapNvram.begin();
|
---|
[91326] | 843 |
|
---|
[94743] | 844 | while (it != m->bd->mapNvram.end())
|
---|
| 845 | {
|
---|
| 846 | RTVFSFILE hVfsFile = it->second;
|
---|
[91326] | 847 |
|
---|
[94912] | 848 | vrc = RTVfsFileSeek(hVfsFile, 0 /*offSeek*/, RTFILE_SEEK_BEGIN, NULL /*poffActual*/);
|
---|
| 849 | AssertRC(vrc);
|
---|
[91326] | 850 |
|
---|
[94743] | 851 | RTVFSOBJ hVfsObj = RTVfsObjFromFile(hVfsFile);
|
---|
[94912] | 852 | vrc = RTVfsFsStrmAdd(hVfsFss, it->first.c_str(), hVfsObj, 0 /*fFlags*/);
|
---|
[94743] | 853 | RTVfsObjRelease(hVfsObj);
|
---|
[94912] | 854 | if (RT_FAILURE(vrc))
|
---|
[94743] | 855 | break;
|
---|
| 856 |
|
---|
| 857 | it++;
|
---|
| 858 | }
|
---|
| 859 |
|
---|
| 860 | RTVfsFsStrmRelease(hVfsFss);
|
---|
[91326] | 861 | }
|
---|
| 862 |
|
---|
[94743] | 863 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 864 | if (hVfsIosEncrypted != NIL_RTVFSIOSTREAM)
|
---|
| 865 | i_releaseEncryptionOrDecryptionResources(hVfsIosEncrypted, pCryptoIf, pKey);
|
---|
| 866 | #endif
|
---|
[91326] | 867 | }
|
---|
| 868 |
|
---|
| 869 | RTVfsIoStrmRelease(hVfsIos);
|
---|
| 870 | }
|
---|
| 871 |
|
---|
[94912] | 872 | return vrc;
|
---|
[91326] | 873 | }
|
---|
| 874 |
|
---|
| 875 |
|
---|
[94743] | 876 | int NvramStore::i_retainCryptoIf(PCVBOXCRYPTOIF *ppCryptoIf)
|
---|
| 877 | {
|
---|
| 878 | #ifdef VBOX_COM_INPROC
|
---|
| 879 | return m->pParent->i_retainCryptoIf(ppCryptoIf);
|
---|
| 880 | #else
|
---|
[94745] | 881 | HRESULT hrc = m->pParent->i_getVirtualBox()->i_retainCryptoIf(ppCryptoIf);
|
---|
| 882 | if (SUCCEEDED(hrc))
|
---|
| 883 | return VINF_SUCCESS;
|
---|
| 884 |
|
---|
| 885 | return VERR_COM_IPRT_ERROR;
|
---|
[94743] | 886 | #endif
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 |
|
---|
| 890 | int NvramStore::i_releaseCryptoIf(PCVBOXCRYPTOIF pCryptoIf)
|
---|
| 891 | {
|
---|
| 892 | #ifdef VBOX_COM_INPROC
|
---|
| 893 | return m->pParent->i_releaseCryptoIf(pCryptoIf);
|
---|
| 894 | #else
|
---|
[94745] | 895 | HRESULT hrc = m->pParent->i_getVirtualBox()->i_releaseCryptoIf(pCryptoIf);
|
---|
| 896 | if (SUCCEEDED(hrc))
|
---|
| 897 | return VINF_SUCCESS;
|
---|
| 898 |
|
---|
| 899 | return VERR_COM_IPRT_ERROR;
|
---|
[94743] | 900 | #endif
|
---|
| 901 | }
|
---|
| 902 |
|
---|
| 903 |
|
---|
[91326] | 904 | /**
|
---|
| 905 | * Saves the NVRAM store.
|
---|
| 906 | *
|
---|
| 907 | * @returns IPRT status code.
|
---|
| 908 | */
|
---|
| 909 | int NvramStore::i_saveStore(void)
|
---|
| 910 | {
|
---|
[94912] | 911 | int vrc = VINF_SUCCESS;
|
---|
[91326] | 912 |
|
---|
[91536] | 913 | Utf8Str strTmp;
|
---|
| 914 | NvramStore::getNonVolatileStorageFile(strTmp);
|
---|
| 915 |
|
---|
[93570] | 916 | /*
|
---|
| 917 | * Only store the NVRAM content if the path is not empty, if it is
|
---|
[99417] | 918 | * this means the VM was just created and the store was not saved yet,
|
---|
[93570] | 919 | * see @bugref{10191}.
|
---|
| 920 | */
|
---|
| 921 | if (strTmp.isNotEmpty())
|
---|
[91326] | 922 | {
|
---|
[93570] | 923 | /*
|
---|
| 924 | * Skip creating the tar archive if only the UEFI NVRAM content is available in order
|
---|
| 925 | * to maintain backwards compatibility. As soon as there is more than one entry or
|
---|
| 926 | * it doesn't belong to the UEFI the tar archive will be created.
|
---|
| 927 | */
|
---|
| 928 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 929 | if ( m->bd->mapNvram.size() == 1
|
---|
[99417] | 930 | && m->bd->mapNvram.begin()->first == "efi/nvram")
|
---|
[93570] | 931 | {
|
---|
[99417] | 932 | RTVFSFILE hVfsFileNvram = m->bd->mapNvram.begin()->second;
|
---|
[91326] | 933 |
|
---|
[94912] | 934 | vrc = RTVfsFileSeek(hVfsFileNvram, 0 /*offSeek*/, RTFILE_SEEK_BEGIN, NULL /*poffActual*/);
|
---|
[99417] | 935 | AssertLogRelRC(vrc);
|
---|
[91326] | 936 |
|
---|
[93570] | 937 | RTVFSIOSTREAM hVfsIosDst;
|
---|
[94912] | 938 | vrc = RTVfsIoStrmOpenNormal(strTmp.c_str(), RTFILE_O_CREATE_REPLACE | RTFILE_O_WRITE | RTFILE_O_DENY_NONE,
|
---|
| 939 | &hVfsIosDst);
|
---|
| 940 | if (RT_SUCCESS(vrc))
|
---|
[93570] | 941 | {
|
---|
| 942 | RTVFSIOSTREAM hVfsIosSrc = RTVfsFileToIoStream(hVfsFileNvram);
|
---|
| 943 | Assert(hVfsIosSrc != NIL_RTVFSIOSTREAM);
|
---|
[91326] | 944 |
|
---|
[94743] | 945 | RTVFSIOSTREAM hVfsIosEncrypted = NIL_RTVFSIOSTREAM;
|
---|
[91326] | 946 |
|
---|
[94743] | 947 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 948 | PCVBOXCRYPTOIF pCryptoIf = NULL;
|
---|
| 949 | SecretKey *pKey = NULL;
|
---|
| 950 |
|
---|
| 951 | if ( m->bd->strKeyId.isNotEmpty()
|
---|
| 952 | && m->bd->strKeyStore.isNotEmpty())
|
---|
[94912] | 953 | vrc = i_setupEncryptionOrDecryption(hVfsIosDst, true /*fEncrypt*/,
|
---|
| 954 | &pCryptoIf, &pKey, &hVfsIosEncrypted);
|
---|
[94743] | 955 | #endif
|
---|
| 956 |
|
---|
[94912] | 957 | vrc = RTVfsUtilPumpIoStreams(hVfsIosSrc,
|
---|
| 958 | hVfsIosEncrypted != NIL_RTVFSIOSTREAM
|
---|
| 959 | ? hVfsIosEncrypted
|
---|
| 960 | : hVfsIosDst
|
---|
| 961 | , 0 /*cbBufHint*/);
|
---|
[94743] | 962 |
|
---|
| 963 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 964 | if (hVfsIosEncrypted != NIL_RTVFSIOSTREAM)
|
---|
| 965 | i_releaseEncryptionOrDecryptionResources(hVfsIosEncrypted, pCryptoIf, pKey);
|
---|
| 966 | #endif
|
---|
| 967 |
|
---|
[93570] | 968 | RTVfsIoStrmRelease(hVfsIosSrc);
|
---|
| 969 | RTVfsIoStrmRelease(hVfsIosDst);
|
---|
| 970 | }
|
---|
[91326] | 971 | }
|
---|
[93570] | 972 | else if (m->bd->mapNvram.size())
|
---|
[94912] | 973 | vrc = i_saveStoreAsTar(strTmp.c_str());
|
---|
[93570] | 974 | /* else: No NVRAM content to store so we are done here. */
|
---|
[91326] | 975 | }
|
---|
| 976 |
|
---|
[94912] | 977 | return vrc;
|
---|
[91326] | 978 | }
|
---|
| 979 |
|
---|
| 980 |
|
---|
[94743] | 981 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 982 | HRESULT NvramStore::i_updateEncryptionSettings(const com::Utf8Str &strKeyId,
|
---|
| 983 | const com::Utf8Str &strKeyStore)
|
---|
| 984 | {
|
---|
| 985 | /* sanity */
|
---|
| 986 | AutoCaller autoCaller(this);
|
---|
[98262] | 987 | AssertComRCReturnRC(autoCaller.hrc());
|
---|
[94743] | 988 |
|
---|
| 989 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 990 |
|
---|
| 991 | m->bd.backup();
|
---|
| 992 | m->bd->strKeyId = strKeyId;
|
---|
| 993 | m->bd->strKeyStore = strKeyStore;
|
---|
| 994 |
|
---|
| 995 | /* clear all passwords because they are invalid now */
|
---|
| 996 | m->mpKeyStore->deleteAllSecretKeys(false, true);
|
---|
| 997 |
|
---|
| 998 | alock.release();
|
---|
| 999 | AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
|
---|
[91326] | 1000 | #ifndef VBOX_COM_INPROC
|
---|
[94743] | 1001 | m->pParent->i_setModified(Machine::IsModified_NvramStore);
|
---|
| 1002 | #endif
|
---|
| 1003 | return S_OK;
|
---|
| 1004 | }
|
---|
| 1005 |
|
---|
| 1006 |
|
---|
| 1007 | HRESULT NvramStore::i_getEncryptionSettings(com::Utf8Str &strKeyId,
|
---|
| 1008 | com::Utf8Str &strKeyStore)
|
---|
| 1009 | {
|
---|
| 1010 | AutoCaller autoCaller(this);
|
---|
[98262] | 1011 | AssertComRCReturnRC(autoCaller.hrc());
|
---|
[94743] | 1012 |
|
---|
| 1013 | AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1014 |
|
---|
| 1015 | strKeyId = m->bd->strKeyId;
|
---|
| 1016 | strKeyStore = m->bd->strKeyStore;
|
---|
| 1017 |
|
---|
| 1018 | return S_OK;
|
---|
| 1019 | }
|
---|
| 1020 |
|
---|
| 1021 |
|
---|
| 1022 | int NvramStore::i_addPassword(const Utf8Str &strKeyId, const Utf8Str &strPassword)
|
---|
| 1023 | {
|
---|
| 1024 | AutoCaller autoCaller(this);
|
---|
[98262] | 1025 | AssertComRCReturn(autoCaller.hrc(), VERR_INVALID_STATE);
|
---|
[94743] | 1026 |
|
---|
| 1027 | /* keep only required password */
|
---|
| 1028 | if (strKeyId != m->bd->strKeyId)
|
---|
| 1029 | return VINF_SUCCESS;
|
---|
| 1030 |
|
---|
| 1031 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1032 | return m->mpKeyStore->addSecretKey(strKeyId, (const uint8_t *)strPassword.c_str(), strPassword.length() + 1);
|
---|
| 1033 | }
|
---|
| 1034 |
|
---|
| 1035 |
|
---|
| 1036 | int NvramStore::i_removePassword(const Utf8Str &strKeyId)
|
---|
| 1037 | {
|
---|
| 1038 | AutoCaller autoCaller(this);
|
---|
[98262] | 1039 | AssertComRCReturn(autoCaller.hrc(), VERR_INVALID_STATE);
|
---|
[94743] | 1040 |
|
---|
| 1041 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1042 | return m->mpKeyStore->deleteSecretKey(strKeyId);
|
---|
| 1043 | }
|
---|
| 1044 |
|
---|
| 1045 |
|
---|
| 1046 | int NvramStore::i_removeAllPasswords()
|
---|
| 1047 | {
|
---|
| 1048 | AutoCaller autoCaller(this);
|
---|
[98262] | 1049 | AssertComRCReturn(autoCaller.hrc(), VERR_INVALID_STATE);
|
---|
[94743] | 1050 |
|
---|
| 1051 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1052 | m->mpKeyStore->deleteAllSecretKeys(false, true);
|
---|
| 1053 | return VINF_SUCCESS;
|
---|
| 1054 | }
|
---|
| 1055 | #endif
|
---|
| 1056 |
|
---|
| 1057 |
|
---|
| 1058 | #ifndef VBOX_COM_INPROC
|
---|
[99417] | 1059 |
|
---|
[91535] | 1060 | HRESULT NvramStore::i_retainUefiVarStore(PRTVFS phVfs, bool fReadonly)
|
---|
| 1061 | {
|
---|
[103532] | 1062 | /* the machine needs to be mutable unless fReadonly is set */
|
---|
| 1063 | AutoMutableStateDependency adep(fReadonly ? NULL : m->pParent);
|
---|
[98262] | 1064 | if (FAILED(adep.hrc())) return adep.hrc();
|
---|
[91535] | 1065 |
|
---|
| 1066 | AutoWriteLock wlock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1067 |
|
---|
| 1068 | HRESULT hrc = S_OK;
|
---|
| 1069 | NvramStoreIter it = m->bd->mapNvram.find("efi/nvram");
|
---|
| 1070 | if (it != m->bd->mapNvram.end())
|
---|
| 1071 | {
|
---|
| 1072 | RTVFSFILE hVfsFileNvram = it->second;
|
---|
| 1073 | RTVFS hVfsEfiVarStore;
|
---|
| 1074 | uint32_t fMntFlags = fReadonly ? RTVFSMNT_F_READ_ONLY : 0;
|
---|
| 1075 |
|
---|
| 1076 | int vrc = RTEfiVarStoreOpenAsVfs(hVfsFileNvram, fMntFlags, 0 /*fVarStoreFlags*/, &hVfsEfiVarStore,
|
---|
| 1077 | NULL /*pErrInfo*/);
|
---|
| 1078 | if (RT_SUCCESS(vrc))
|
---|
| 1079 | {
|
---|
| 1080 | *phVfs = hVfsEfiVarStore;
|
---|
| 1081 | if (!fReadonly)
|
---|
| 1082 | m->pParent->i_setModified(Machine::IsModified_NvramStore);
|
---|
| 1083 | }
|
---|
| 1084 | else
|
---|
| 1085 | hrc = setError(E_FAIL, tr("Opening the UEFI variable store failed (%Rrc)."), vrc);
|
---|
| 1086 | }
|
---|
| 1087 | else
|
---|
| 1088 | hrc = setError(VBOX_E_OBJECT_NOT_FOUND, tr("The UEFI NVRAM file is not existing for this machine."));
|
---|
| 1089 |
|
---|
| 1090 | return hrc;
|
---|
| 1091 | }
|
---|
| 1092 |
|
---|
| 1093 |
|
---|
| 1094 | HRESULT NvramStore::i_releaseUefiVarStore(RTVFS hVfs)
|
---|
| 1095 | {
|
---|
| 1096 | RTVfsRelease(hVfs);
|
---|
| 1097 | return S_OK;
|
---|
| 1098 | }
|
---|
| 1099 |
|
---|
| 1100 |
|
---|
[91326] | 1101 | /**
|
---|
| 1102 | * Loads settings from the given machine node.
|
---|
| 1103 | * May be called once right after this object creation.
|
---|
| 1104 | *
|
---|
| 1105 | * @param data Configuration settings.
|
---|
| 1106 | *
|
---|
| 1107 | * @note Locks this object for writing.
|
---|
| 1108 | */
|
---|
| 1109 | HRESULT NvramStore::i_loadSettings(const settings::NvramSettings &data)
|
---|
| 1110 | {
|
---|
| 1111 | AutoCaller autoCaller(this);
|
---|
[98262] | 1112 | AssertComRCReturnRC(autoCaller.hrc());
|
---|
[91326] | 1113 |
|
---|
| 1114 | AutoReadLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
|
---|
| 1115 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1116 |
|
---|
| 1117 | m->bd->strNvramPath = data.strNvramPath;
|
---|
[94743] | 1118 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 1119 | m->bd->strKeyId = data.strKeyId;
|
---|
| 1120 | m->bd->strKeyStore = data.strKeyStore;
|
---|
| 1121 | #endif
|
---|
[91326] | 1122 |
|
---|
| 1123 | Utf8Str strTmp(m->bd->strNvramPath);
|
---|
| 1124 | if (strTmp.isNotEmpty())
|
---|
| 1125 | m->pParent->i_copyPathRelativeToMachine(strTmp, m->bd->strNvramPath);
|
---|
| 1126 | if ( m->pParent->i_getFirmwareType() == FirmwareType_BIOS
|
---|
| 1127 | || m->bd->strNvramPath == m->pParent->i_getDefaultNVRAMFilename())
|
---|
| 1128 | m->bd->strNvramPath.setNull();
|
---|
| 1129 |
|
---|
| 1130 | return S_OK;
|
---|
| 1131 | }
|
---|
| 1132 |
|
---|
| 1133 | /**
|
---|
| 1134 | * Saves settings to the given machine node.
|
---|
| 1135 | *
|
---|
| 1136 | * @param data Configuration settings.
|
---|
| 1137 | *
|
---|
[91434] | 1138 | * @note Locks this object for writing.
|
---|
[91326] | 1139 | */
|
---|
| 1140 | HRESULT NvramStore::i_saveSettings(settings::NvramSettings &data)
|
---|
| 1141 | {
|
---|
| 1142 | AutoCaller autoCaller(this);
|
---|
[98262] | 1143 | AssertComRCReturnRC(autoCaller.hrc());
|
---|
[91326] | 1144 |
|
---|
[91434] | 1145 | AutoWriteLock wlock(this COMMA_LOCKVAL_SRC_POS);
|
---|
[91326] | 1146 |
|
---|
| 1147 | data.strNvramPath = m->bd->strNvramPath;
|
---|
[94743] | 1148 | #ifdef VBOX_WITH_FULL_VM_ENCRYPTION
|
---|
| 1149 | data.strKeyId = m->bd->strKeyId;
|
---|
| 1150 | data.strKeyStore = m->bd->strKeyStore;
|
---|
| 1151 | #endif
|
---|
[91326] | 1152 |
|
---|
[91434] | 1153 | int vrc = i_saveStore();
|
---|
| 1154 | if (RT_FAILURE(vrc))
|
---|
| 1155 | return setError(E_FAIL, tr("Failed to save the NVRAM content to disk (%Rrc)"), vrc);
|
---|
| 1156 |
|
---|
[91326] | 1157 | return S_OK;
|
---|
| 1158 | }
|
---|
| 1159 |
|
---|
| 1160 | void NvramStore::i_rollback()
|
---|
| 1161 | {
|
---|
| 1162 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1163 | m->bd.rollback();
|
---|
| 1164 | }
|
---|
| 1165 |
|
---|
| 1166 | void NvramStore::i_commit()
|
---|
| 1167 | {
|
---|
| 1168 | /* sanity */
|
---|
| 1169 | AutoCaller autoCaller(this);
|
---|
[94912] | 1170 | AssertReturnVoid(autoCaller.isOk());
|
---|
[91326] | 1171 |
|
---|
| 1172 | /* sanity too */
|
---|
| 1173 | AutoCaller peerCaller(m->pPeer);
|
---|
[94912] | 1174 | AssertReturnVoid(peerCaller.isOk());
|
---|
[91326] | 1175 |
|
---|
| 1176 | /* lock both for writing since we modify both (mPeer is "master" so locked
|
---|
| 1177 | * first) */
|
---|
| 1178 | AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1179 |
|
---|
| 1180 | if (m->bd.isBackedUp())
|
---|
| 1181 | {
|
---|
| 1182 | m->bd.commit();
|
---|
| 1183 | if (m->pPeer)
|
---|
| 1184 | {
|
---|
| 1185 | /* attach new data to the peer and reshare it */
|
---|
| 1186 | AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
|
---|
| 1187 | m->pPeer->m->bd.attach(m->bd);
|
---|
| 1188 | }
|
---|
| 1189 | }
|
---|
| 1190 | }
|
---|
| 1191 |
|
---|
| 1192 | void NvramStore::i_copyFrom(NvramStore *aThat)
|
---|
| 1193 | {
|
---|
| 1194 | AssertReturnVoid(aThat != NULL);
|
---|
| 1195 |
|
---|
| 1196 | /* sanity */
|
---|
| 1197 | AutoCaller autoCaller(this);
|
---|
[94912] | 1198 | AssertReturnVoid(autoCaller.isOk());
|
---|
[91326] | 1199 |
|
---|
| 1200 | /* sanity too */
|
---|
| 1201 | AutoCaller thatCaller(aThat);
|
---|
[94912] | 1202 | AssertReturnVoid(thatCaller.isOk());
|
---|
[91326] | 1203 |
|
---|
| 1204 | /* peer is not modified, lock it for reading (aThat is "master" so locked
|
---|
| 1205 | * first) */
|
---|
| 1206 | AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
|
---|
| 1207 | AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1208 |
|
---|
| 1209 | /* this will back up current data */
|
---|
| 1210 | m->bd.assignCopy(aThat->m->bd);
|
---|
| 1211 |
|
---|
| 1212 | // Intentionally "forget" the NVRAM file since it must be unique and set
|
---|
| 1213 | // to the correct value before the copy of the settings makes sense.
|
---|
| 1214 | m->bd->strNvramPath.setNull();
|
---|
| 1215 | }
|
---|
| 1216 |
|
---|
[91614] | 1217 | HRESULT NvramStore::i_applyDefaults(GuestOSType *aOSType)
|
---|
| 1218 | {
|
---|
| 1219 | HRESULT hrc = S_OK;
|
---|
| 1220 |
|
---|
| 1221 | if (aOSType->i_recommendedEFISecureBoot())
|
---|
| 1222 | {
|
---|
| 1223 | /* Initialize the UEFI variable store and enroll default keys. */
|
---|
| 1224 | hrc = initUefiVariableStore(0 /*aSize*/);
|
---|
| 1225 | if (SUCCEEDED(hrc))
|
---|
| 1226 | {
|
---|
| 1227 | ComPtr<IUefiVariableStore> pVarStore;
|
---|
| 1228 |
|
---|
| 1229 | hrc = getUefiVariableStore(pVarStore);
|
---|
| 1230 | if (SUCCEEDED(hrc))
|
---|
| 1231 | {
|
---|
| 1232 | hrc = pVarStore->EnrollOraclePlatformKey();
|
---|
| 1233 | if (SUCCEEDED(hrc))
|
---|
| 1234 | hrc = pVarStore->EnrollDefaultMsSignatures();
|
---|
| 1235 | }
|
---|
| 1236 | }
|
---|
| 1237 | }
|
---|
| 1238 |
|
---|
| 1239 | return hrc;
|
---|
| 1240 | }
|
---|
| 1241 |
|
---|
[91326] | 1242 | void NvramStore::i_updateNonVolatileStorageFile(const Utf8Str &aNonVolatileStorageFile)
|
---|
| 1243 | {
|
---|
| 1244 | /* sanity */
|
---|
| 1245 | AutoCaller autoCaller(this);
|
---|
[98262] | 1246 | AssertComRCReturnVoid(autoCaller.hrc());
|
---|
[91326] | 1247 |
|
---|
| 1248 | AutoReadLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
|
---|
| 1249 | AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
|
---|
| 1250 |
|
---|
| 1251 | Utf8Str strTmp(aNonVolatileStorageFile);
|
---|
| 1252 | if (strTmp == m->pParent->i_getDefaultNVRAMFilename())
|
---|
| 1253 | strTmp.setNull();
|
---|
| 1254 |
|
---|
| 1255 | if (strTmp == m->bd->strNvramPath)
|
---|
| 1256 | return;
|
---|
| 1257 |
|
---|
| 1258 | m->bd.backup();
|
---|
| 1259 | m->bd->strNvramPath = strTmp;
|
---|
| 1260 | }
|
---|
| 1261 |
|
---|
[99417] | 1262 | #else /* VBOX_COM_INPROC */
|
---|
| 1263 |
|
---|
[91326] | 1264 | //
|
---|
| 1265 | // private methods
|
---|
| 1266 | //
|
---|
[91346] | 1267 | /*static*/
|
---|
[91326] | 1268 | DECLCALLBACK(int) NvramStore::i_nvramStoreQuerySize(PPDMIVFSCONNECTOR pInterface, const char *pszNamespace, const char *pszPath,
|
---|
| 1269 | uint64_t *pcb)
|
---|
| 1270 | {
|
---|
| 1271 | PDRVMAINNVRAMSTORE pThis = RT_FROM_MEMBER(pInterface, DRVMAINNVRAMSTORE, IVfs);
|
---|
| 1272 |
|
---|
[99417] | 1273 | Utf8Str strKey;
|
---|
| 1274 | int vrc = strKey.printfNoThrow("%s/%s", pszNamespace, pszPath);
|
---|
| 1275 | AssertRCReturn(vrc, vrc);
|
---|
| 1276 |
|
---|
[91326] | 1277 | AutoReadLock rlock(pThis->pNvramStore COMMA_LOCKVAL_SRC_POS);
|
---|
[99417] | 1278 | NvramStoreIter it = pThis->pNvramStore->m->bd->mapNvram.find(strKey);
|
---|
[91326] | 1279 | if (it != pThis->pNvramStore->m->bd->mapNvram.end())
|
---|
| 1280 | {
|
---|
| 1281 | RTVFSFILE hVfsFile = it->second;
|
---|
| 1282 | return RTVfsFileQuerySize(hVfsFile, pcb);
|
---|
| 1283 | }
|
---|
| 1284 |
|
---|
| 1285 | return VERR_NOT_FOUND;
|
---|
| 1286 | }
|
---|
| 1287 |
|
---|
| 1288 |
|
---|
[91346] | 1289 | /*static*/
|
---|
[91326] | 1290 | DECLCALLBACK(int) NvramStore::i_nvramStoreReadAll(PPDMIVFSCONNECTOR pInterface, const char *pszNamespace, const char *pszPath,
|
---|
| 1291 | void *pvBuf, size_t cbRead)
|
---|
| 1292 | {
|
---|
| 1293 | PDRVMAINNVRAMSTORE pThis = RT_FROM_MEMBER(pInterface, DRVMAINNVRAMSTORE, IVfs);
|
---|
| 1294 |
|
---|
[99417] | 1295 | Utf8Str strKey;
|
---|
| 1296 | int vrc = strKey.printfNoThrow("%s/%s", pszNamespace, pszPath);
|
---|
| 1297 | AssertRCReturn(vrc, vrc);
|
---|
| 1298 |
|
---|
[91326] | 1299 | AutoReadLock rlock(pThis->pNvramStore COMMA_LOCKVAL_SRC_POS);
|
---|
[99417] | 1300 | NvramStoreIter it = pThis->pNvramStore->m->bd->mapNvram.find(strKey);
|
---|
[91326] | 1301 | if (it != pThis->pNvramStore->m->bd->mapNvram.end())
|
---|
| 1302 | {
|
---|
| 1303 | RTVFSFILE hVfsFile = it->second;
|
---|
| 1304 |
|
---|
[99417] | 1305 | vrc = RTVfsFileSeek(hVfsFile, 0 /*offSeek*/, RTFILE_SEEK_BEGIN, NULL /*poffActual*/);
|
---|
| 1306 | AssertLogRelRC(vrc);
|
---|
[91326] | 1307 |
|
---|
| 1308 | return RTVfsFileRead(hVfsFile, pvBuf, cbRead, NULL /*pcbRead*/);
|
---|
| 1309 | }
|
---|
| 1310 |
|
---|
| 1311 | return VERR_NOT_FOUND;
|
---|
| 1312 | }
|
---|
| 1313 |
|
---|
| 1314 |
|
---|
[91346] | 1315 | /*static*/
|
---|
[91326] | 1316 | DECLCALLBACK(int) NvramStore::i_nvramStoreWriteAll(PPDMIVFSCONNECTOR pInterface, const char *pszNamespace, const char *pszPath,
|
---|
| 1317 | const void *pvBuf, size_t cbWrite)
|
---|
| 1318 | {
|
---|
| 1319 | PDRVMAINNVRAMSTORE pThis = RT_FROM_MEMBER(pInterface, DRVMAINNVRAMSTORE, IVfs);
|
---|
| 1320 |
|
---|
[99417] | 1321 | Utf8Str strKey;
|
---|
| 1322 | int vrc = strKey.printfNoThrow("%s/%s", pszNamespace, pszPath);
|
---|
| 1323 | AssertRCReturn(vrc, vrc);
|
---|
| 1324 |
|
---|
[91326] | 1325 | AutoWriteLock wlock(pThis->pNvramStore COMMA_LOCKVAL_SRC_POS);
|
---|
| 1326 |
|
---|
[99417] | 1327 | NvramStoreIter it = pThis->pNvramStore->m->bd->mapNvram.find(strKey);
|
---|
[91326] | 1328 | if (it != pThis->pNvramStore->m->bd->mapNvram.end())
|
---|
| 1329 | {
|
---|
| 1330 | RTVFSFILE hVfsFile = it->second;
|
---|
| 1331 |
|
---|
[94912] | 1332 | vrc = RTVfsFileSeek(hVfsFile, 0 /*offSeek*/, RTFILE_SEEK_BEGIN, NULL /*poffActual*/);
|
---|
[99417] | 1333 | AssertLogRelRC(vrc);
|
---|
[94912] | 1334 | vrc = RTVfsFileSetSize(hVfsFile, cbWrite, RTVFSFILE_SIZE_F_NORMAL);
|
---|
| 1335 | if (RT_SUCCESS(vrc))
|
---|
| 1336 | vrc = RTVfsFileWrite(hVfsFile, pvBuf, cbWrite, NULL /*pcbWritten*/);
|
---|
[91326] | 1337 | }
|
---|
| 1338 | else
|
---|
| 1339 | {
|
---|
| 1340 | /* Create a new entry. */
|
---|
| 1341 | RTVFSFILE hVfsFile = NIL_RTVFSFILE;
|
---|
[94912] | 1342 | vrc = RTVfsFileFromBuffer(RTFILE_O_READ | RTFILE_O_WRITE, pvBuf, cbWrite, &hVfsFile);
|
---|
| 1343 | if (RT_SUCCESS(vrc))
|
---|
[99417] | 1344 | {
|
---|
| 1345 | try
|
---|
| 1346 | {
|
---|
| 1347 | pThis->pNvramStore->m->bd->mapNvram[strKey] = hVfsFile;
|
---|
| 1348 | }
|
---|
| 1349 | catch (...)
|
---|
| 1350 | {
|
---|
| 1351 | AssertLogRelFailed();
|
---|
| 1352 | RTVfsFileRelease(hVfsFile);
|
---|
| 1353 | vrc = VERR_UNEXPECTED_EXCEPTION;
|
---|
| 1354 | }
|
---|
| 1355 | }
|
---|
[91326] | 1356 | }
|
---|
| 1357 |
|
---|
[94912] | 1358 | return vrc;
|
---|
[91326] | 1359 | }
|
---|
| 1360 |
|
---|
| 1361 |
|
---|
[91346] | 1362 | /*static*/
|
---|
| 1363 | DECLCALLBACK(int) NvramStore::i_nvramStoreDelete(PPDMIVFSCONNECTOR pInterface, const char *pszNamespace, const char *pszPath)
|
---|
| 1364 | {
|
---|
| 1365 | PDRVMAINNVRAMSTORE pThis = RT_FROM_MEMBER(pInterface, DRVMAINNVRAMSTORE, IVfs);
|
---|
| 1366 |
|
---|
[99417] | 1367 | Utf8Str strKey;
|
---|
| 1368 | int vrc = strKey.printfNoThrow("%s/%s", pszNamespace, pszPath);
|
---|
| 1369 | AssertRCReturn(vrc, vrc);
|
---|
| 1370 |
|
---|
[91346] | 1371 | AutoWriteLock wlock(pThis->pNvramStore COMMA_LOCKVAL_SRC_POS);
|
---|
[99417] | 1372 | NvramStoreIter it = pThis->pNvramStore->m->bd->mapNvram.find(strKey);
|
---|
[91346] | 1373 | if (it != pThis->pNvramStore->m->bd->mapNvram.end())
|
---|
| 1374 | {
|
---|
| 1375 | RTVFSFILE hVfsFile = it->second;
|
---|
| 1376 | pThis->pNvramStore->m->bd->mapNvram.erase(it);
|
---|
| 1377 | RTVfsFileRelease(hVfsFile);
|
---|
| 1378 | return VINF_SUCCESS;
|
---|
| 1379 | }
|
---|
| 1380 |
|
---|
| 1381 | return VERR_NOT_FOUND;
|
---|
| 1382 | }
|
---|
| 1383 |
|
---|
| 1384 |
|
---|
[94514] | 1385 | /*static*/
|
---|
| 1386 | DECLCALLBACK(int) NvramStore::i_SsmSaveExec(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM)
|
---|
| 1387 | {
|
---|
| 1388 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
|
---|
| 1389 | PDRVMAINNVRAMSTORE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINNVRAMSTORE);
|
---|
| 1390 | PCPDMDRVHLPR3 pHlp = pDrvIns->pHlpR3;
|
---|
| 1391 |
|
---|
| 1392 | AutoWriteLock wlock(pThis->pNvramStore COMMA_LOCKVAL_SRC_POS);
|
---|
| 1393 |
|
---|
| 1394 | size_t cEntries = pThis->pNvramStore->m->bd->mapNvram.size();
|
---|
| 1395 | AssertReturn(cEntries < 32, VERR_OUT_OF_RANGE); /* Some sanity checking. */
|
---|
| 1396 | pHlp->pfnSSMPutU32(pSSM, (uint32_t)cEntries);
|
---|
| 1397 |
|
---|
| 1398 | void *pvData = NULL;
|
---|
| 1399 | size_t cbDataMax = 0;
|
---|
[99417] | 1400 | int vrc = i_SsmSaveExecInner(pThis, pHlp, pSSM, &pvData, &cbDataMax);
|
---|
| 1401 | if (pvData)
|
---|
| 1402 | RTMemFree(pvData);
|
---|
| 1403 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1404 |
|
---|
[99417] | 1405 | pThis->pNvramStore->m->fSsmSaved = true;
|
---|
| 1406 | return pHlp->pfnSSMPutU32(pSSM, UINT32_MAX); /* sanity/terminator */
|
---|
| 1407 | }
|
---|
| 1408 |
|
---|
| 1409 |
|
---|
| 1410 | /*static*/
|
---|
| 1411 | int NvramStore::i_SsmSaveExecInner(PDRVMAINNVRAMSTORE pThis, PCPDMDRVHLPR3 pHlp, PSSMHANDLE pSSM,
|
---|
| 1412 | void **ppvData, size_t *pcbDataMax) RT_NOEXCEPT
|
---|
| 1413 | {
|
---|
| 1414 | for (NvramStoreIter it = pThis->pNvramStore->m->bd->mapNvram.begin(); it != pThis->pNvramStore->m->bd->mapNvram.end(); ++it)
|
---|
[94514] | 1415 | {
|
---|
| 1416 | RTVFSFILE hVfsFile = it->second;
|
---|
[99417] | 1417 |
|
---|
[94514] | 1418 | uint64_t cbFile;
|
---|
[94912] | 1419 | int vrc = RTVfsFileQuerySize(hVfsFile, &cbFile);
|
---|
| 1420 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1421 | AssertReturn(cbFile < _1M, VERR_OUT_OF_RANGE);
|
---|
| 1422 |
|
---|
[99417] | 1423 | if (*pcbDataMax < cbFile)
|
---|
[94514] | 1424 | {
|
---|
[99417] | 1425 | void *pvNew = RTMemRealloc(*ppvData, cbFile);
|
---|
| 1426 | AssertPtrReturn(pvNew, VERR_NO_MEMORY);
|
---|
| 1427 | *ppvData = pvNew;
|
---|
| 1428 | *pcbDataMax = cbFile;
|
---|
[94514] | 1429 | }
|
---|
| 1430 |
|
---|
[99417] | 1431 | vrc = RTVfsFileReadAt(hVfsFile, 0 /*off*/, *ppvData, cbFile, NULL /*pcbRead*/);
|
---|
[94912] | 1432 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1433 |
|
---|
| 1434 | pHlp->pfnSSMPutStrZ(pSSM, it->first.c_str());
|
---|
| 1435 | pHlp->pfnSSMPutU64(pSSM, cbFile);
|
---|
[99417] | 1436 | pHlp->pfnSSMPutMem(pSSM, *ppvData, cbFile);
|
---|
[94514] | 1437 | }
|
---|
[99417] | 1438 | return VINF_SUCCESS;
|
---|
[94514] | 1439 | }
|
---|
| 1440 |
|
---|
| 1441 |
|
---|
| 1442 | /*static*/
|
---|
| 1443 | DECLCALLBACK(int) NvramStore::i_SsmLoadExec(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
|
---|
| 1444 | {
|
---|
| 1445 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
|
---|
| 1446 | PDRVMAINNVRAMSTORE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINNVRAMSTORE);
|
---|
| 1447 | PCPDMDRVHLPR3 pHlp = pDrvIns->pHlpR3;
|
---|
| 1448 |
|
---|
| 1449 | AssertMsgReturn(uVersion >= NVRAM_STORE_SAVED_STATE_VERSION, ("%d\n", uVersion),
|
---|
| 1450 | VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
|
---|
| 1451 |
|
---|
| 1452 | if (uPass == SSM_PASS_FINAL)
|
---|
| 1453 | {
|
---|
| 1454 | AutoWriteLock wlock(pThis->pNvramStore COMMA_LOCKVAL_SRC_POS);
|
---|
| 1455 |
|
---|
| 1456 | /* Clear any content first. */
|
---|
| 1457 | NvramStoreIter it = pThis->pNvramStore->m->bd->mapNvram.begin();
|
---|
| 1458 | while (it != pThis->pNvramStore->m->bd->mapNvram.end())
|
---|
| 1459 | {
|
---|
| 1460 | RTVfsFileRelease(it->second);
|
---|
| 1461 | it++;
|
---|
| 1462 | }
|
---|
| 1463 |
|
---|
| 1464 | pThis->pNvramStore->m->bd->mapNvram.clear();
|
---|
| 1465 |
|
---|
| 1466 | uint32_t cEntries = 0;
|
---|
[94912] | 1467 | int vrc = pHlp->pfnSSMGetU32(pSSM, &cEntries);
|
---|
| 1468 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1469 | AssertReturn(cEntries < 32, VERR_OUT_OF_RANGE);
|
---|
| 1470 |
|
---|
| 1471 | void *pvData = NULL;
|
---|
| 1472 | size_t cbDataMax = 0;
|
---|
[99417] | 1473 | vrc = i_SsmLoadExecInner(pThis, pHlp, pSSM, cEntries, &pvData, &cbDataMax);
|
---|
| 1474 | if (pvData)
|
---|
| 1475 | RTMemFree(pvData);
|
---|
| 1476 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1477 |
|
---|
[99417] | 1478 | /* The marker. */
|
---|
| 1479 | uint32_t u32;
|
---|
| 1480 | vrc = pHlp->pfnSSMGetU32(pSSM, &u32);
|
---|
| 1481 | AssertRCReturn(vrc, vrc);
|
---|
| 1482 | AssertMsgReturn(u32 == UINT32_MAX, ("%#x\n", u32), VERR_SSM_DATA_UNIT_FORMAT_CHANGED);
|
---|
| 1483 | }
|
---|
[94514] | 1484 |
|
---|
[99417] | 1485 | return VINF_SUCCESS;
|
---|
| 1486 | }
|
---|
[94514] | 1487 |
|
---|
| 1488 |
|
---|
[99417] | 1489 | /*static*/
|
---|
| 1490 | int NvramStore::i_SsmLoadExecInner(PDRVMAINNVRAMSTORE pThis, PCPDMDRVHLPR3 pHlp, PSSMHANDLE pSSM,
|
---|
| 1491 | uint32_t cEntries, void **ppvData, size_t *pcbDataMax) RT_NOEXCEPT
|
---|
| 1492 | {
|
---|
| 1493 | while (cEntries-- > 0)
|
---|
| 1494 | {
|
---|
| 1495 | char szId[_1K]; /* Lazy developer */
|
---|
| 1496 | int vrc = pHlp->pfnSSMGetStrZ(pSSM, &szId[0], sizeof(szId));
|
---|
| 1497 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1498 |
|
---|
[99417] | 1499 | uint64_t cbFile = 0;
|
---|
| 1500 | vrc = pHlp->pfnSSMGetU64(pSSM, &cbFile);
|
---|
| 1501 | AssertRCReturn(vrc, vrc);
|
---|
| 1502 | AssertReturn(cbFile < _1M, VERR_OUT_OF_RANGE);
|
---|
[94514] | 1503 |
|
---|
[99417] | 1504 | if (*pcbDataMax < cbFile)
|
---|
| 1505 | {
|
---|
| 1506 | void *pvNew = RTMemRealloc(*ppvData, cbFile);
|
---|
| 1507 | AssertPtrReturn(pvNew, VERR_NO_MEMORY);
|
---|
| 1508 | *ppvData = pvNew;
|
---|
| 1509 | *pcbDataMax = cbFile;
|
---|
[94514] | 1510 | }
|
---|
| 1511 |
|
---|
[99417] | 1512 | vrc = pHlp->pfnSSMGetMem(pSSM, *ppvData, cbFile);
|
---|
| 1513 | AssertRCReturn(vrc, vrc);
|
---|
[94514] | 1514 |
|
---|
[99417] | 1515 | RTVFSFILE hVfsFile;
|
---|
| 1516 | vrc = RTVfsFileFromBuffer(RTFILE_O_READWRITE, *ppvData, cbFile, &hVfsFile);
|
---|
[94912] | 1517 | AssertRCReturn(vrc, vrc);
|
---|
[99417] | 1518 |
|
---|
| 1519 | try
|
---|
| 1520 | {
|
---|
| 1521 | pThis->pNvramStore->m->bd->mapNvram[Utf8Str(szId)] = hVfsFile;
|
---|
| 1522 | }
|
---|
| 1523 | catch (...)
|
---|
| 1524 | {
|
---|
| 1525 | AssertLogRelFailed();
|
---|
| 1526 | RTVfsFileRelease(hVfsFile);
|
---|
| 1527 | return VERR_UNEXPECTED_EXCEPTION;
|
---|
| 1528 | }
|
---|
[94514] | 1529 | }
|
---|
| 1530 |
|
---|
| 1531 | return VINF_SUCCESS;
|
---|
| 1532 | }
|
---|
| 1533 |
|
---|
| 1534 |
|
---|
[91326] | 1535 | /**
|
---|
| 1536 | * @interface_method_impl{PDMIBASE,pfnQueryInterface}
|
---|
| 1537 | */
|
---|
| 1538 | DECLCALLBACK(void *) NvramStore::i_drvQueryInterface(PPDMIBASE pInterface, const char *pszIID)
|
---|
| 1539 | {
|
---|
| 1540 | PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
|
---|
| 1541 | PDRVMAINNVRAMSTORE pDrv = PDMINS_2_DATA(pDrvIns, PDRVMAINNVRAMSTORE);
|
---|
| 1542 |
|
---|
| 1543 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
|
---|
| 1544 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIVFSCONNECTOR, &pDrv->IVfs);
|
---|
| 1545 | return NULL;
|
---|
| 1546 | }
|
---|
| 1547 |
|
---|
| 1548 |
|
---|
| 1549 | /**
|
---|
| 1550 | * Destruct a NVRAM store driver instance.
|
---|
| 1551 | *
|
---|
| 1552 | * @returns VBox status code.
|
---|
| 1553 | * @param pDrvIns The driver instance data.
|
---|
| 1554 | */
|
---|
| 1555 | DECLCALLBACK(void) NvramStore::i_drvDestruct(PPDMDRVINS pDrvIns)
|
---|
| 1556 | {
|
---|
| 1557 | PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
|
---|
| 1558 | PDRVMAINNVRAMSTORE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINNVRAMSTORE);
|
---|
| 1559 | LogFlow(("NvramStore::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
|
---|
| 1560 |
|
---|
| 1561 | if (pThis->pNvramStore)
|
---|
| 1562 | {
|
---|
| 1563 | uint32_t cRefs = ASMAtomicDecU32(&pThis->pNvramStore->m->cRefs);
|
---|
[94514] | 1564 | if ( !cRefs
|
---|
| 1565 | && !pThis->pNvramStore->m->fSsmSaved)
|
---|
[91326] | 1566 | {
|
---|
[99417] | 1567 | try
|
---|
| 1568 | {
|
---|
| 1569 | int vrc = pThis->pNvramStore->i_saveStore();
|
---|
| 1570 | AssertLogRelRC(vrc); /** @todo Disk full error? */
|
---|
| 1571 | }
|
---|
| 1572 | catch (...)
|
---|
| 1573 | {
|
---|
| 1574 | AssertLogRelFailed();
|
---|
| 1575 | }
|
---|
[91326] | 1576 | }
|
---|
| 1577 | }
|
---|
| 1578 | }
|
---|
| 1579 |
|
---|
| 1580 |
|
---|
| 1581 | /**
|
---|
| 1582 | * Construct a NVRAM store driver instance.
|
---|
| 1583 | *
|
---|
| 1584 | * @copydoc FNPDMDRVCONSTRUCT
|
---|
| 1585 | */
|
---|
| 1586 | DECLCALLBACK(int) NvramStore::i_drvConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
|
---|
| 1587 | {
|
---|
| 1588 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
|
---|
[93444] | 1589 | RT_NOREF(fFlags, pCfg);
|
---|
[91326] | 1590 | PDRVMAINNVRAMSTORE pThis = PDMINS_2_DATA(pDrvIns, PDRVMAINNVRAMSTORE);
|
---|
| 1591 | LogFlow(("NvramStore::drvConstruct: iInstance=%d\n", pDrvIns->iInstance));
|
---|
| 1592 |
|
---|
| 1593 | /*
|
---|
| 1594 | * Validate configuration.
|
---|
| 1595 | */
|
---|
[93444] | 1596 | PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
|
---|
[91326] | 1597 | AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
|
---|
| 1598 | ("Configuration error: Not possible to attach anything to this driver!\n"),
|
---|
| 1599 | VERR_PDM_DRVINS_NO_ATTACH);
|
---|
| 1600 |
|
---|
| 1601 | /*
|
---|
| 1602 | * IBase.
|
---|
| 1603 | */
|
---|
| 1604 | pDrvIns->IBase.pfnQueryInterface = NvramStore::i_drvQueryInterface;
|
---|
| 1605 |
|
---|
| 1606 | pThis->IVfs.pfnQuerySize = NvramStore::i_nvramStoreQuerySize;
|
---|
| 1607 | pThis->IVfs.pfnReadAll = NvramStore::i_nvramStoreReadAll;
|
---|
| 1608 | pThis->IVfs.pfnWriteAll = NvramStore::i_nvramStoreWriteAll;
|
---|
[91346] | 1609 | pThis->IVfs.pfnDelete = NvramStore::i_nvramStoreDelete;
|
---|
[91326] | 1610 |
|
---|
| 1611 | /*
|
---|
| 1612 | * Get the NVRAM store object pointer.
|
---|
| 1613 | */
|
---|
| 1614 | com::Guid uuid(COM_IIDOF(INvramStore));
|
---|
| 1615 | pThis->pNvramStore = (NvramStore *)PDMDrvHlpQueryGenericUserObject(pDrvIns, uuid.raw());
|
---|
| 1616 | if (!pThis->pNvramStore)
|
---|
| 1617 | {
|
---|
| 1618 | AssertMsgFailed(("Configuration error: No/bad NVRAM store object!\n"));
|
---|
| 1619 | return VERR_NOT_FOUND;
|
---|
| 1620 | }
|
---|
| 1621 |
|
---|
[94514] | 1622 | /*
|
---|
| 1623 | * Only the first instance will register the SSM handlers and will do the work on behalf
|
---|
| 1624 | * of all other NVRAM store driver instances when it comes to SSM.
|
---|
| 1625 | */
|
---|
| 1626 | if (pDrvIns->iInstance == 0)
|
---|
| 1627 | {
|
---|
[94912] | 1628 | int vrc = PDMDrvHlpSSMRegister(pDrvIns, NVRAM_STORE_SAVED_STATE_VERSION, 0 /*cbGuess*/,
|
---|
| 1629 | NvramStore::i_SsmSaveExec, NvramStore::i_SsmLoadExec);
|
---|
| 1630 | if (RT_FAILURE(vrc))
|
---|
| 1631 | return PDMDrvHlpVMSetError(pDrvIns, vrc, RT_SRC_POS,
|
---|
[94514] | 1632 | N_("Failed to register the saved state unit for the NVRAM store"));
|
---|
| 1633 | }
|
---|
| 1634 |
|
---|
[91326] | 1635 | uint32_t cRefs = ASMAtomicIncU32(&pThis->pNvramStore->m->cRefs);
|
---|
| 1636 | if (cRefs == 1)
|
---|
| 1637 | {
|
---|
[99417] | 1638 | int vrc;
|
---|
| 1639 | try
|
---|
| 1640 | {
|
---|
| 1641 | vrc = pThis->pNvramStore->i_loadStore(pThis->pNvramStore->m->bd->strNvramPath.c_str());
|
---|
| 1642 | }
|
---|
| 1643 | catch (...)
|
---|
| 1644 | {
|
---|
| 1645 | vrc = VERR_UNEXPECTED_EXCEPTION;
|
---|
| 1646 | }
|
---|
[94912] | 1647 | if (RT_FAILURE(vrc))
|
---|
[91326] | 1648 | {
|
---|
| 1649 | ASMAtomicDecU32(&pThis->pNvramStore->m->cRefs);
|
---|
[94912] | 1650 | return PDMDrvHlpVMSetError(pDrvIns, vrc, RT_SRC_POS,
|
---|
[91326] | 1651 | N_("Failed to load the NVRAM store from the file"));
|
---|
| 1652 | }
|
---|
| 1653 | }
|
---|
| 1654 |
|
---|
| 1655 | return VINF_SUCCESS;
|
---|
| 1656 | }
|
---|
| 1657 |
|
---|
| 1658 |
|
---|
| 1659 | /**
|
---|
| 1660 | * NVRAM store driver registration record.
|
---|
| 1661 | */
|
---|
| 1662 | const PDMDRVREG NvramStore::DrvReg =
|
---|
| 1663 | {
|
---|
| 1664 | /* u32Version */
|
---|
| 1665 | PDM_DRVREG_VERSION,
|
---|
| 1666 | /* szName */
|
---|
| 1667 | "NvramStore",
|
---|
| 1668 | /* szRCMod */
|
---|
| 1669 | "",
|
---|
| 1670 | /* szR0Mod */
|
---|
| 1671 | "",
|
---|
| 1672 | /* pszDescription */
|
---|
| 1673 | "Main NVRAM store driver (Main as in the API).",
|
---|
| 1674 | /* fFlags */
|
---|
| 1675 | PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
|
---|
| 1676 | /* fClass. */
|
---|
| 1677 | PDM_DRVREG_CLASS_STATUS,
|
---|
| 1678 | /* cMaxInstances */
|
---|
| 1679 | ~0U,
|
---|
| 1680 | /* cbInstance */
|
---|
| 1681 | sizeof(DRVMAINNVRAMSTORE),
|
---|
| 1682 | /* pfnConstruct */
|
---|
| 1683 | NvramStore::i_drvConstruct,
|
---|
| 1684 | /* pfnDestruct */
|
---|
| 1685 | NvramStore::i_drvDestruct,
|
---|
| 1686 | /* pfnRelocate */
|
---|
| 1687 | NULL,
|
---|
| 1688 | /* pfnIOCtl */
|
---|
| 1689 | NULL,
|
---|
| 1690 | /* pfnPowerOn */
|
---|
| 1691 | NULL,
|
---|
| 1692 | /* pfnReset */
|
---|
| 1693 | NULL,
|
---|
| 1694 | /* pfnSuspend */
|
---|
| 1695 | NULL,
|
---|
| 1696 | /* pfnResume */
|
---|
| 1697 | NULL,
|
---|
| 1698 | /* pfnAttach */
|
---|
| 1699 | NULL,
|
---|
| 1700 | /* pfnDetach */
|
---|
| 1701 | NULL,
|
---|
| 1702 | /* pfnPowerOff */
|
---|
| 1703 | NULL,
|
---|
| 1704 | /* pfnSoftReset */
|
---|
| 1705 | NULL,
|
---|
| 1706 | /* u32EndVersion */
|
---|
| 1707 | PDM_DRVREG_VERSION
|
---|
| 1708 | };
|
---|
| 1709 |
|
---|
[99417] | 1710 | #endif /* VBOX_COM_INPROC */
|
---|
| 1711 |
|
---|
[91326] | 1712 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
|
---|