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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_Windows_CoreServiceProxy
#define TC_HEADER_Core_Windows_CoreServiceProxy
#include "CoreService.h"
#include "Volume/VolumePasswordCache.h"
namespace TrueCrypt
{
template <class T>
class CoreServiceProxy : public T
{
public:
CoreServiceProxy () { }
virtual ~CoreServiceProxy () { }
virtual void CheckFilesystem (shared_ptr <VolumeInfo> mountedVolume, bool repair) const
{
CoreService::RequestCheckFilesystem (mountedVolume, repair);
}
virtual void DismountFilesystem (const DirectoryPath &mountPoint, bool force) const
{
CoreService::RequestDismountFilesystem (mountPoint, force);
}
virtual shared_ptr <VolumeInfo> DismountVolume (shared_ptr <VolumeInfo> mountedVolume, bool ignoreOpenFiles = false, bool syncVolumeInfo = false)
{
shared_ptr <VolumeInfo> dismountedVolumeInfo = CoreService::RequestDismountVolume (mountedVolume, ignoreOpenFiles, syncVolumeInfo);
VolumeEventArgs eventArgs (dismountedVolumeInfo);
T::VolumeDismountedEvent.Raise (eventArgs);
return dismountedVolumeInfo;
}
virtual uint32 GetDeviceSectorSize (const DevicePath &devicePath) const
{
return CoreService::RequestGetDeviceSectorSize (devicePath);
}
virtual uint64 GetDeviceSize (const DevicePath &devicePath) const
{
return CoreService::RequestGetDeviceSize (devicePath);
}
#ifndef TC_LINUX
virtual HostDeviceList GetHostDevices (bool pathListOnly = false) const
{
if (pathListOnly)
return T::GetHostDevices (pathListOnly);
else
return CoreService::RequestGetHostDevices (pathListOnly);
}
#endif
virtual bool IsPasswordCacheEmpty () const { return VolumePasswordCache::IsEmpty(); }
virtual shared_ptr <VolumeInfo> MountVolume (MountOptions &options)
{
shared_ptr <VolumeInfo> mountedVolume;
if (!VolumePasswordCache::IsEmpty()
&& (!options.Password || options.Password->IsEmpty())
&& (!options.Keyfiles || options.Keyfiles->empty()))
{
finally_do_arg (MountOptions*, &options, { if (finally_arg->Password) finally_arg->Password.reset(); });
PasswordIncorrect passwordException;
foreach (shared_ptr <VolumePassword> password, VolumePasswordCache::GetPasswords())
{
try
{
options.Password = password;
mountedVolume = CoreService::RequestMountVolume (options);
break;
}
catch (PasswordIncorrect &e)
{
passwordException = e;
}
}
if (!mountedVolume)
passwordException.Throw();
}
else
{
MountOptions newOptions = options;
newOptions.Password = Keyfile::ApplyListToPassword (options.Keyfiles, options.Password);
if (newOptions.Keyfiles)
newOptions.Keyfiles->clear();
newOptions.ProtectionPassword = Keyfile::ApplyListToPassword (options.ProtectionKeyfiles, options.ProtectionPassword);
if (newOptions.ProtectionKeyfiles)
newOptions.ProtectionKeyfiles->clear();
try
{
mountedVolume = CoreService::RequestMountVolume (newOptions);
}
catch (ProtectionPasswordIncorrect &e)
{
if (options.ProtectionKeyfiles && !options.ProtectionKeyfiles->empty())
throw ProtectionPasswordKeyfilesIncorrect (e.what());
throw;
}
catch (PasswordIncorrect &e)
{
if (options.Keyfiles && !options.Keyfiles->empty())
throw PasswordKeyfilesIncorrect (e.what());
throw;
}
if (options.CachePassword
&& ((options.Password && !options.Password->IsEmpty()) || (options.Keyfiles && !options.Keyfiles->empty())))
{
VolumePasswordCache::Store (*Keyfile::ApplyListToPassword (options.Keyfiles, options.Password));
}
}
VolumeEventArgs eventArgs (mountedVolume);
T::VolumeMountedEvent.Raise (eventArgs);
return mountedVolume;
}
virtual void SetAdminPasswordCallback (shared_ptr <GetStringFunctor> functor)
{
CoreService::SetAdminPasswordCallback (functor);
}
virtual void SetFileOwner (const FilesystemPath &path, const UserId &owner) const
{
CoreService::RequestSetFileOwner (path, owner);
}
virtual void WipePasswordCache () const
{
VolumePasswordCache::Clear();
}
};
}
#endif // TC_HEADER_Core_Windows_CoreServiceProxy
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