/*++ Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. Module Name: ConsoleControl.h Abstract: Abstraction of a Text mode or GOP/UGA screen --*/ #ifndef __CONSOLE_CONTROL_H__ #define __CONSOLE_CONTROL_H__ #define EFI_CONSOLE_CONTROL_PROTOCOL_GUID \ { 0xf42f7782, 0x12e, 0x4c12, {0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21} } typedef struct _EFI_CONSOLE_CONTROL_PROTOCOL EFI_CONSOLE_CONTROL_PROTOCOL; typedef enum { EfiConsoleControlScreenText, EfiConsoleControlScreenGraphics, EfiConsoleControlScreenMaxValue } EFI_CONSOLE_CONTROL_SCREEN_MODE; typedef EFI_STATUS (EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE) ( IN EFI_CONSOLE_CONTROL_PROTOCOL *This, OUT EFI_CONSOLE_CONTROL_SCREEN_MODE *Mode, OUT BOOLEAN *GopUgaExists, OPTIONAL OUT BOOLEAN *StdInLocked OPTIONAL ) /*++ Routine Description: Return the current video mode information. Also returns info about existence of Graphics Output devices or UGA Draw devices in system, and if the Std In device is locked. All the arguments are optional and only returned if a non NULL pointer is passed in. Arguments: This - Protocol instance pointer. Mode - Are we in text of grahics mode. GopUgaExists - TRUE if Console Spliter has found a GOP or UGA device StdInLocked - TRUE if StdIn device is keyboard locked Returns: EFI_SUCCESS - Mode information returned. --*/ ; typedef EFI_STATUS (EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE) ( IN EFI_CONSOLE_CONTROL_PROTOCOL *This, IN EFI_CONSOLE_CONTROL_SCREEN_MODE Mode ) /*++ Routine Description: Set the current mode to either text or graphics. Graphics is for Quiet Boot. Arguments: This - Protocol instance pointer. Mode - Mode to set the Returns: EFI_SUCCESS - Mode information returned. --*/ ; typedef EFI_STATUS (EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN) ( IN EFI_CONSOLE_CONTROL_PROTOCOL *This, IN CHAR16 *Password ) /*++ Routine Description: Lock Std In devices until Password is typed. Arguments: This - Protocol instance pointer. Password - Password needed to unlock screen. NULL means unlock keyboard Returns: EFI_SUCCESS - Mode information returned. EFI_DEVICE_ERROR - Std In not locked --*/ ; struct _EFI_CONSOLE_CONTROL_PROTOCOL { EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE GetMode; EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE SetMode; EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN LockStdIn; }; extern EFI_GUID gEfiConsoleControlProtocolGuid; #endif ad92fd45'>plain) 
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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) 2013-2017 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.
*/

#include "VolumePassword.h"
#include "Platform/SerializerFactory.h"
#include "Platform/StringConverter.h"

namespace VeraCrypt
{
	VolumePassword::VolumePassword () : PasswordSize (0)
	{
		AllocateBuffer ();
	}

	VolumePassword::~VolumePassword ()
	{
	}

	void VolumePassword::AllocateBuffer ()
	{
		if (!PasswordBuffer.IsAllocated ())
			PasswordBuffer.Allocate (MaxSize);
	}

	void VolumePassword::Deserialize (shared_ptr <Stream> stream)
	{
		Serializer sr (stream);
		uint64 passwordSize;
		sr.Deserialize ("PasswordSize", passwordSize);
		PasswordSize = static_cast <size_t> (passwordSize);
		sr.Deserialize ("PasswordBuffer", BufferPtr (PasswordBuffer));

		Buffer wipeBuffer (128 * 1024);
		sr.Deserialize ("WipeData", wipeBuffer);
	}

	void VolumePassword::Serialize (shared_ptr <Stream> stream) const
	{
		Serializable::Serialize (stream);
		Serializer sr (stream);
		sr.Serialize ("PasswordSize", static_cast <uint64> (PasswordSize));
		sr.Serialize ("PasswordBuffer", ConstBufferPtr (PasswordBuffer));

		// Wipe password from an eventual pipe buffer
		Buffer wipeBuffer (128 * 1024);
		wipeBuffer.Zero();
		sr.Serialize ("WipeData", ConstBufferPtr (wipeBuffer));
	}

	void VolumePassword::Set (const byte *password, size_t size)
	{
		AllocateBuffer ();

		if (size > MaxSize)
			throw PasswordTooLong (SRC_POS);

		PasswordBuffer.Erase ();
		if (size > 0)
			PasswordBuffer.CopyFrom (ConstBufferPtr (password, size));

		PasswordSize = size;
	}

	void VolumePassword::Set (const VolumePassword &password)
	{
		Set (password.DataPtr(), password.Size());
	}

	TC_SERIALIZER_FACTORY_ADD_CLASS (VolumePassword);

#define TC_EXCEPTION(TYPE) TC_SERIALIZER_FACTORY_ADD(TYPE)
#undef TC_EXCEPTION_NODECL
#define TC_EXCEPTION_NODECL(TYPE) TC_SERIALIZER_FACTORY_ADD(TYPE)

	TC_SERIALIZER_FACTORY_ADD_EXCEPTION_SET (PasswordException);
}