mirror of
https://github.com/veracrypt/VeraCrypt.git
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78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/*
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Derived from source code of TrueCrypt 7.1a, which is
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Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
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by the TrueCrypt License 3.0.
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Modifications and additions to the original source code (contained in this file)
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and all other portions of this file are Copyright (c) 2013-2016 IDRIX
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and are governed by the Apache License 2.0 the full text of which is
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contained in the file License.txt included in VeraCrypt binary and source
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code distribution packages.
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*/
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#ifndef TC_HEADER_Driver_Fuse_FuseService
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#define TC_HEADER_Driver_Fuse_FuseService
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#include "Platform/Platform.h"
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#include "Platform/Unix/Pipe.h"
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#include "Platform/Unix/Process.h"
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#include "Volume/VolumeInfo.h"
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#include "Volume/Volume.h"
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namespace VeraCrypt
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{
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class FuseService
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{
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protected:
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struct ExecFunctor : public ProcessExecFunctor
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{
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ExecFunctor (shared_ptr <Volume> openVolume, VolumeSlotNumber slotNumber)
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: MountedVolume (openVolume), SlotNumber (slotNumber)
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{
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}
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virtual void operator() (int argc, char *argv[]);
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protected:
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shared_ptr <Volume> MountedVolume;
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VolumeSlotNumber SlotNumber;
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};
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friend class ExecFunctor;
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public:
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static bool AuxDeviceInfoReceived () { return !OpenVolumeInfo.VirtualDevice.IsEmpty(); }
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static bool CheckAccessRights ();
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static void Dismount ();
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static int ExceptionToErrorCode ();
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static const char *GetControlPath () { return "/control"; }
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static const char *GetVolumeImagePath ();
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static string GetDeviceType () { return "veracrypt"; }
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static uid_t GetGroupId () { return GroupId; }
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static uid_t GetUserId () { return UserId; }
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static shared_ptr <Buffer> GetVolumeInfo ();
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static uint64 GetVolumeSize ();
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static uint64 GetVolumeSectorSize () { return MountedVolume->GetSectorSize(); }
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static void Mount (shared_ptr <Volume> openVolume, VolumeSlotNumber slotNumber, const string &fuseMountPoint);
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static void ReadVolumeSectors (const BufferPtr &buffer, uint64 byteOffset);
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static void ReceiveAuxDeviceInfo (const ConstBufferPtr &buffer);
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static void SendAuxDeviceInfo (const DirectoryPath &fuseMountPoint, const DevicePath &virtualDevice, const DevicePath &loopDevice = DevicePath());
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static void WriteVolumeSectors (const ConstBufferPtr &buffer, uint64 byteOffset);
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protected:
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FuseService ();
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static void CloseMountedVolume ();
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static void OnSignal (int signal);
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static VolumeInfo OpenVolumeInfo;
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static Mutex OpenVolumeInfoMutex;
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static shared_ptr <Volume> MountedVolume;
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static VolumeSlotNumber SlotNumber;
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static uid_t UserId;
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static gid_t GroupId;
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static auto_ptr <Pipe> SignalHandlerPipe;
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};
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}
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#endif // TC_HEADER_Driver_Fuse_FuseService
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