コード例 #1
0
	shared_ptr <VolumeInfo> CoreUnix::MountVolume (MountOptions &options)
	{
		CoalesceSlotNumberAndMountPoint (options);

		if (IsVolumeMounted (*options.Path))
			throw VolumeAlreadyMounted (SRC_POS);

		Cipher::EnableHwSupport (!options.NoHardwareCrypto);

		shared_ptr <Volume> volume;

		while (true)
		{
			try
			{
				volume = OpenVolume (
					options.Path,
					options.PreserveTimestamps,
					options.Password,
					options.Keyfiles,
					options.Protection,
					options.ProtectionPassword,
					options.ProtectionKeyfiles,
					options.SharedAccessAllowed,
					VolumeType::Unknown,
					options.UseBackupHeaders,
					options.PartitionInSystemEncryptionScope
					);

				options.Password.reset();
			}
			catch (SystemException &e)
			{
				if (options.Protection != VolumeProtection::ReadOnly
					&& (e.GetErrorCode() == EROFS || e.GetErrorCode() == EACCES || e.GetErrorCode() == EPERM))
				{
					// Read-only filesystem
					options.Protection = VolumeProtection::ReadOnly;
					continue;
				}

				throw;
			}

			break;
		}

		if (options.Path->IsDevice())
		{
			if (volume->GetFile()->GetDeviceSectorSize() != volume->GetSectorSize())
				throw ParameterIncorrect (SRC_POS);

#if defined (TC_LINUX)
			if (volume->GetSectorSize() != TC_SECTOR_SIZE_LEGACY)
			{
				if (options.Protection == VolumeProtection::HiddenVolumeReadOnly)
					throw UnsupportedSectorSizeHiddenVolumeProtection();

				if (options.NoKernelCrypto)
					throw UnsupportedSectorSizeNoKernelCrypto();
			}
#endif
		}

		// Find a free mount point for FUSE service
		MountedFilesystemList mountedFilesystems = GetMountedFilesystems ();
		string fuseMountPoint;
		for (int i = 1; true; i++)
		{
			stringstream path;
			path << GetTempDirectory() << "/" << GetFuseMountDirPrefix() << i;
			FilesystemPath fsPath (path.str());

			bool inUse = false;

			foreach_ref (const MountedFilesystem &mf, mountedFilesystems)
			{
				if (mf.MountPoint == path.str())
				{
					inUse = true;
					break;
				}
			}

			if (!inUse)
			{
				try
				{
					if (fsPath.IsDirectory())
						fsPath.Delete();

					throw_sys_sub_if (mkdir (path.str().c_str(), S_IRUSR | S_IXUSR) == -1, path.str());

					fuseMountPoint = fsPath;
					break;
				}
				catch (...)
				{
					if (i > 255)
						throw TemporaryDirectoryFailure (SRC_POS, StringConverter::ToWide (path.str()));
				}
			}
		}

		try
		{
			FuseService::Mount (volume, options.SlotNumber, fuseMountPoint);
		}
		catch (...)
		{
			try
			{
				DirectoryPath (fuseMountPoint).Delete();
			}
			catch (...) { }
			throw;
		}

		try
		{
			// Create a mount directory if a default path has been specified
			bool mountDirCreated = false;
			string mountPoint;
			if (!options.NoFilesystem && options.MountPoint)
			{
				mountPoint = *options.MountPoint;

#ifndef TC_MACOSX
				if (mountPoint.find (GetDefaultMountPointPrefix()) == 0 && !options.MountPoint->IsDirectory())
				{
					Directory::Create (*options.MountPoint);
					try
					{
						throw_sys_sub_if (chown (mountPoint.c_str(), GetRealUserId(), GetRealGroupId()) == -1, mountPoint);
					} catch (ParameterIncorrect&) { }

					mountDirCreated = true;
				}
#endif
			}

			try
			{
				try
				{
					MountVolumeNative (volume, options, fuseMountPoint);
				}
				catch (NotApplicable&)
				{
					MountAuxVolumeImage (fuseMountPoint, options);
				}
			}
			catch (...)
			{
				if (mountDirCreated)
					remove (mountPoint.c_str());
				throw;
			}
		}
		catch (...)
		{
			try
			{
				VolumeInfoList mountedVolumes = GetMountedVolumes (*options.Path);
				if (mountedVolumes.size() > 0)
				{
					shared_ptr <VolumeInfo> mountedVolume (mountedVolumes.front());
					DismountVolume (mountedVolume);
				}
			}
			catch (...) { }
			throw;
		}

		VolumeInfoList mountedVolumes = GetMountedVolumes (*options.Path);
		if (mountedVolumes.size() != 1)
			throw ParameterIncorrect (SRC_POS);

		VolumeEventArgs eventArgs (mountedVolumes.front());
		VolumeMountedEvent.Raise (eventArgs);

		return mountedVolumes.front();
	}
コード例 #2
0
	shared_ptr <VolumeInfo> CoreUnix::DismountVolume (shared_ptr <VolumeInfo> mountedVolume, bool ignoreOpenFiles, bool syncVolumeInfo)
	{
		if (!mountedVolume->MountPoint.IsEmpty())
		{
			DismountFilesystem (mountedVolume->MountPoint, ignoreOpenFiles);

			// Delete mount directory if a default path has been used
			if (string (mountedVolume->MountPoint).find (GetDefaultMountPointPrefix()) == 0)
				mountedVolume->MountPoint.Delete();
		}

		try
		{
			DismountNativeVolume (mountedVolume);
		}
		catch (NotApplicable &) { }

		if (!mountedVolume->LoopDevice.IsEmpty())
		{
			try
			{
				DetachLoopDevice (mountedVolume->LoopDevice);
			}
			catch (ExecutedProcessFailed&) { }
		}

		if (syncVolumeInfo || mountedVolume->Protection == VolumeProtection::HiddenVolumeReadOnly)
		{
			sync();
			VolumeInfoList ml = GetMountedVolumes (mountedVolume->Path);

			if (ml.size() > 0)
				mountedVolume = ml.front();
		}

		list <string> args;
		args.push_back ("--");
		args.push_back (mountedVolume->AuxMountPoint);

		for (int t = 0; true; t++)
		{
			try
			{
				Process::Execute ("umount", args);
				break;
			}
			catch (ExecutedProcessFailed&)
			{
				if (t > 10)
					throw;
				Thread::Sleep (200);
			}
		}

		try
		{
			mountedVolume->AuxMountPoint.Delete();
		}
		catch (...)	{ }

		VolumeEventArgs eventArgs (mountedVolume);
		VolumeDismountedEvent.Raise (eventArgs);

		return mountedVolume;
	}
コード例 #3
0
	shared_ptr <VolumeInfo> CoreMacOSX::DismountVolume (shared_ptr <VolumeInfo> mountedVolume, bool ignoreOpenFiles, bool syncVolumeInfo)
	{
		if (!mountedVolume->VirtualDevice.IsEmpty() && mountedVolume->VirtualDevice.IsBlockDevice())
		{
			list <string> args;
			args.push_back ("detach");
			args.push_back (mountedVolume->VirtualDevice);

			if (ignoreOpenFiles)
				args.push_back ("-force");

			try
			{
				Process::Execute ("hdiutil", args);
			}
			catch (ExecutedProcessFailed &e)
			{
				if (!ignoreOpenFiles)
				{
					string err = e.GetErrorOutput();

					if (err.find ("couldn't unmount") != string::npos
						|| err.find ("busy") != string::npos
						|| err.find ("49153") != string::npos)
					{
						throw MountedVolumeInUse (SRC_POS);
					}
				}

				throw;
			}
		}

		if (syncVolumeInfo || mountedVolume->Protection == VolumeProtection::HiddenVolumeReadOnly)
		{
			sync();
			VolumeInfoList ml = GetMountedVolumes (mountedVolume->Path);

			if (ml.size() > 0)
				mountedVolume = ml.front();
		}

		list <string> args;
		args.push_back ("--");
		args.push_back (mountedVolume->AuxMountPoint);

		for (int t = 0; true; t++)
		{
			try
			{
				Process::Execute ("umount", args);
				break;
			}
			catch (ExecutedProcessFailed&)
			{
				if (t > 10)
					throw;
				Thread::Sleep (200);
			}
		}

		try
		{
			mountedVolume->AuxMountPoint.Delete();
		}
		catch (...)	{ }

		return mountedVolume;
	}