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+/*
+ Copyright (c) 2008-2010 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_Core_Unix_CoreService
+#define TC_HEADER_Core_Unix_CoreService
+
+#include "CoreServiceRequest.h"
+#include "Platform/Stream.h"
+#include "Platform/Unix/Pipe.h"
+#include "Core/Core.h"
+
+namespace TrueCrypt
+{
+ // This service facilitates process forking and elevation of user privileges
+ class CoreService
+ {
+ public:
+ static void ProcessElevatedRequests ();
+ static void ProcessRequests (int inputFD = -1, int outputFD = -1);
+ static void RequestCheckFilesystem (shared_ptr <VolumeInfo> mountedVolume, bool repair);
+ static void RequestDismountFilesystem (const DirectoryPath &mountPoint, bool force);
+ static shared_ptr <VolumeInfo> RequestDismountVolume (shared_ptr <VolumeInfo> mountedVolume, bool ignoreOpenFiles = false, bool syncVolumeInfo = false);
+ static uint32 RequestGetDeviceSectorSize (const DevicePath &devicePath);
+ static uint64 RequestGetDeviceSize (const DevicePath &devicePath);
+ static HostDeviceList RequestGetHostDevices (bool pathListOnly);
+ static shared_ptr <VolumeInfo> RequestMountVolume (MountOptions &options);
+ static void RequestSetFileOwner (const FilesystemPath &path, const UserId &owner);
+ static void SetAdminPasswordCallback (shared_ptr <GetStringFunctor> functor) { AdminPasswordCallback = functor; }
+ static void Start ();
+ static void Stop ();
+
+ protected:
+ template <class T> static auto_ptr <T> GetResponse ();
+ template <class T> static auto_ptr <T> SendRequest (CoreServiceRequest &request);
+ static void StartElevated (const CoreServiceRequest &request);
+
+ static shared_ptr <GetStringFunctor> AdminPasswordCallback;
+
+ static auto_ptr <Pipe> AdminInputPipe;
+ static auto_ptr <Pipe> AdminOutputPipe;
+
+ static auto_ptr <Pipe> InputPipe;
+ static auto_ptr <Pipe> OutputPipe;
+ static shared_ptr <Stream> ServiceInputStream;
+ static shared_ptr <Stream> ServiceOutputStream;
+
+ static bool ElevatedPrivileges;
+ static bool ElevatedServiceAvailable;
+ static bool Running;
+
+ private:
+ CoreService ();
+ };
+
+#define TC_CORE_SERVICE_CMDLINE_OPTION "--core-service"
+}
+
+#endif // TC_HEADER_Core_Unix_CoreService