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1.1 root 1: /*
1.1.1.6 root 2: Copyright (c) 2008-2009 TrueCrypt Foundation. All rights reserved.
1.1 root 3:
1.1.1.7 ! root 4: Governed by the TrueCrypt License 2.7 the full text of which is contained
1.1 root 5: in the file License.txt included in TrueCrypt binary and source code
6: distribution packages.
7: */
8:
1.1.1.5 root 9: #ifndef TC_HEADER_Common_BootEncryption
10: #define TC_HEADER_Common_BootEncryption
1.1 root 11:
12: #include "Tcdefs.h"
13: #include "Dlgcode.h"
1.1.1.5 root 14: #include "Exception.h"
1.1 root 15: #include "Platform/PlatformBase.h"
1.1.1.4 root 16: #include "Volumes.h"
1.1 root 17:
18: using namespace std;
19:
20: namespace TrueCrypt
21: {
22: class File
23: {
24: public:
25: File () : FileOpen (false) { }
26: File (string path, bool readOnly = false, bool create = false);
27: ~File () { Close(); }
28:
29: void Close ();
30: DWORD Read (byte *buffer, DWORD size);
31: void Write (byte *buffer, DWORD size);
32: void SeekAt (int64 position);
33:
34: protected:
35: bool Elevated;
36: bool FileOpen;
37: uint64 FilePointerPosition;
38: HANDLE Handle;
39: bool IsDevice;
40: string Path;
41: };
42:
43:
44: class Device : public File
45: {
46: public:
47: Device (string path, bool readOnly = false);
48: };
49:
50:
51: class Buffer
52: {
53: public:
54: Buffer (size_t size) : DataSize (size)
55: {
56: DataPtr = new byte[size];
57: if (!DataPtr)
58: throw bad_alloc();
59: }
60:
61: ~Buffer () { delete DataPtr; }
62: byte *Ptr () const { return DataPtr; }
63: size_t Size () const { return DataSize; }
64:
65: protected:
66: byte *DataPtr;
67: size_t DataSize;
68: };
69:
70:
71: struct Partition
72: {
73: string DevicePath;
74: PARTITION_INFORMATION Info;
75: string MountPoint;
76: int Number;
77: BOOL IsGPT;
1.1.1.6 root 78: wstring VolumeNameId;
1.1 root 79: };
80:
81: typedef list <Partition> PartitionList;
82:
1.1.1.2 root 83: #pragma pack (push)
84: #pragma pack(1)
85:
86: struct PartitionEntryMBR
87: {
88: byte BootIndicator;
89:
90: byte StartHead;
91: byte StartCylSector;
92: byte StartCylinder;
93:
94: byte Type;
95:
96: byte EndHead;
97: byte EndSector;
98: byte EndCylinder;
99:
100: uint32 StartLBA;
101: uint32 SectorCountLBA;
102: };
103:
104: struct MBR
105: {
106: byte Code[446];
107: PartitionEntryMBR Partitions[4];
108: uint16 Signature;
109: };
110:
111: #pragma pack (pop)
1.1 root 112:
113: struct SystemDriveConfiguration
114: {
1.1.1.4 root 115: string DeviceKernelPath;
1.1 root 116: string DevicePath;
117: int DriveNumber;
118: Partition DrivePartition;
119: int64 InitialUnallocatedSpace;
120: PartitionList Partitions;
121: Partition SystemPartition;
122: int64 TotalUnallocatedSpace;
123: bool SystemLoaderPresent;
124: };
125:
126: class BootEncryption
127: {
128: public:
1.1.1.5 root 129: BootEncryption (HWND parent);
1.1 root 130: ~BootEncryption ();
131:
1.1.1.5 root 132: void AbortDecoyOSWipe ();
1.1 root 133: void AbortSetup ();
134: void AbortSetupWait ();
135: void CallDriver (DWORD ioctl, void *input = nullptr, DWORD inputSize = 0, void *output = nullptr, DWORD outputSize = 0);
136: int ChangePassword (Password *oldPassword, Password *newPassword, int pkcs5);
1.1.1.5 root 137: void CheckDecoyOSWipeResult ();
1.1 root 138: void CheckEncryptionSetupResult ();
139: void CheckRequirements ();
1.1.1.4 root 140: void CheckRequirementsHiddenOS ();
1.1 root 141: void CreateRescueIsoImage (bool initialSetup, const string &isoImagePath);
142: void Deinstall ();
1.1.1.5 root 143: DecoySystemWipeStatus GetDecoyOSWipeStatus ();
1.1 root 144: DWORD GetDriverServiceStartType ();
1.1.1.4 root 145: unsigned int GetHiddenOSCreationPhase ();
1.1 root 146: uint16 GetInstalledBootLoaderVersion ();
1.1.1.4 root 147: Partition GetPartitionForHiddenOS ();
1.1.1.3 root 148: bool IsBootLoaderOnDrive (char *devicePath);
1.1 root 149: BootEncryptionStatus GetStatus ();
1.1.1.5 root 150: string GetTempPath ();
1.1 root 151: void GetVolumeProperties (VOLUME_PROPERTIES_STRUCT *properties);
152: SystemDriveConfiguration GetSystemDriveConfiguration ();
1.1.1.5 root 153: void Install (bool hiddenSystem);
154: void InstallBootLoader (bool preserveUserConfig = false, bool hiddenOSCreation = false);
1.1.1.4 root 155: void InvalidateCachedSysDriveProperties ();
156: bool IsHiddenSystemRunning ();
1.1.1.5 root 157: bool IsPagingFileActive (BOOL checkNonWindowsPartitionsOnly);
158: void PrepareHiddenOSCreation (int ea, int mode, int pkcs5);
1.1 root 159: void PrepareInstallation (bool systemPartitionOnly, Password &password, int ea, int mode, int pkcs5, const string &rescueIsoImagePath);
160: void ProbeRealSystemDriveSize ();
1.1.1.6 root 161: void ReadBootSectorConfig (byte *config, size_t bufLength, byte *userConfig = nullptr, string *customUserMessage = nullptr, uint16 *bootLoaderVersion = nullptr);
1.1.1.5 root 162: void RegisterBootDriver (bool hiddenSystem);
1.1.1.4 root 163: void RegisterFilterDriver (bool registerDriver, bool volumeClass);
164: void RenameDeprecatedSystemLoaderBackup ();
1.1 root 165: bool RestartComputer (void);
1.1.1.5 root 166: void InitialSecurityChecksForHiddenOS ();
1.1.1.6 root 167: void RestrictPagingFilesToSystemPartition ();
1.1 root 168: void SetDriverServiceStartType (DWORD startType);
1.1.1.4 root 169: void SetHiddenOSCreationPhase (unsigned int newPhase);
1.1.1.6 root 170: void StartDecryption (BOOL discardUnreadableEncryptedSectors);
1.1.1.5 root 171: void StartDecoyOSWipe (WipeAlgorithmId wipeAlgorithm);
172: void StartEncryption (WipeAlgorithmId wipeAlgorithm, bool zeroUnreadableSectors);
1.1.1.2 root 173: bool SystemDriveContainsPartitionType (byte type);
174: bool SystemDriveContainsExtendedPartition ();
1.1 root 175: bool SystemPartitionCoversWholeDrive ();
1.1.1.2 root 176: bool SystemDriveIsDynamic ();
1.1 root 177: bool VerifyRescueDisk ();
1.1.1.5 root 178: void WipeHiddenOSCreationConfig ();
179: void WriteBootDriveSector (uint64 offset, byte *data);
1.1.1.4 root 180: void WriteBootSectorConfig (const byte newConfig[]);
1.1.1.5 root 181: void WriteBootSectorUserConfig (byte userConfig, const string &customUserMessage);
1.1.1.4 root 182: void WriteLocalMachineRegistryDwordValue (char *keyPath, char *valueName, DWORD value);
1.1 root 183:
184: protected:
185: static const uint32 RescueIsoImageSize = 1835008; // Size of ISO9660 image with bootable emulated 1.44MB floppy disk image
186:
187: void BackupSystemLoader ();
1.1.1.5 root 188: void CreateBootLoaderInMemory (byte *buffer, size_t bufferSize, bool rescueDisk, bool hiddenOSCreation = false);
1.1 root 189: void CreateVolumeHeader (uint64 volumeSize, uint64 encryptedAreaStart, Password *password, int ea, int mode, int pkcs5);
190: string GetSystemLoaderBackupPath ();
1.1.1.3 root 191: uint32 GetChecksum (byte *data, size_t size);
1.1 root 192: DISK_GEOMETRY GetDriveGeometry (int driveNumber);
193: PartitionList GetDrivePartitions (int driveNumber);
1.1.1.4 root 194: wstring GetRemarksOnHiddenOS ();
1.1 root 195: string GetWindowsDirectory ();
1.1.1.4 root 196: void RegisterDeviceClassFilter (bool registerFilter, const GUID *deviceClassGuid);
1.1 root 197: void RestoreSystemLoader ();
198: void InstallVolumeHeader ();
199:
200: HWND ParentWindow;
201: SystemDriveConfiguration DriveConfig;
1.1.1.3 root 202: int SelectedEncryptionAlgorithmId;
1.1.1.5 root 203: Partition HiddenOSCandidatePartition;
1.1 root 204: byte *RescueIsoImage;
1.1.1.4 root 205: byte RescueVolumeHeader[TC_BOOT_ENCRYPTION_VOLUME_HEADER_SIZE];
206: byte VolumeHeader[TC_BOOT_ENCRYPTION_VOLUME_HEADER_SIZE];
1.1 root 207: bool DriveConfigValid;
208: bool RealSystemDriveSizeValid;
209: bool RescueVolumeHeaderValid;
210: bool VolumeHeaderValid;
211: };
212: }
213:
214: #define TC_ABORT_TRANSFORM_WAIT_INTERVAL 10
215:
1.1.1.4 root 216: #define MIN_HIDDENOS_DECOY_PARTITION_SIZE_RATIO_NTFS 2.1
217: #define MIN_HIDDENOS_DECOY_PARTITION_SIZE_RATIO_FAT 1.05
218:
219: #define TC_SYS_BOOT_LOADER_BACKUP_NAME "Original System Loader"
220: #define TC_SYS_BOOT_LOADER_BACKUP_NAME_LEGACY "Original System Loader.bak" // Deprecated to prevent removal by some "cleaners"
1.1 root 221:
1.1.1.5 root 222: #endif // TC_HEADER_Common_BootEncryption
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