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/*
Derived from source code of TrueCrypt 7.1a, which is
Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
by the TrueCrypt License 3.0.
Modifications and additions to the original source code (contained in this file)
and all other portions of this file are Copyright (c) 2013-2015 IDRIX
and are governed by the Apache License 2.0 the full text of which is
contained in the file License.txt included in VeraCrypt 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 VeraCrypt
{
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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