/*
 Copyright (c) 2005-2009 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 COMMON_H
#define COMMON_H

#include "Crypto.h"

#define MIN_MOUNTED_VOLUME_DRIVE_NUMBER ('A' - 'A')
#define MAX_MOUNTED_VOLUME_DRIVE_NUMBER ('Z' - 'A')

#define MAX_HOST_DRIVE_NUMBER 64
#define MAX_HOST_PARTITION_NUMBER 32

typedef enum
{
	// IMPORTANT: If you add a new item here, update IsOSVersionAtLeast().

	WIN_UNKNOWN = 0,
	WIN_31,
	WIN_95,
	WIN_98,
	WIN_ME,
	WIN_NT3,
	WIN_NT4,
	WIN_2000,
	WIN_XP,
	WIN_XP64,
	WIN_SERVER_2003,
	WIN_VISTA,
	WIN_SERVER_2008,
	WIN_7,
	WIN_SERVER_2008_R2,
} OSVersionEnum;

/* Volume types */
enum
{
	TC_VOLUME_TYPE_NORMAL = 0,
	TC_VOLUME_TYPE_HIDDEN,
	TC_VOLUME_TYPE_HIDDEN_LEGACY,
	TC_VOLUME_TYPE_COUNT
};

/* Prop volume types */
enum
{
	PROP_VOL_TYPE_NORMAL = 0,
	PROP_VOL_TYPE_HIDDEN,
	PROP_VOL_TYPE_OUTER,						/* Outer/normal (hidden volume protected) */
	PROP_VOL_TYPE_OUTER_VOL_WRITE_PREVENTED,	/* Outer/normal (hidden volume protected AND write already prevented) */
	PROP_VOL_TYPE_SYSTEM,
	PROP_NBR_VOLUME_TYPES
};

/* Hidden volume protection status */
enum
{
	HIDVOL_PROT_STATUS_NONE = 0,
	HIDVOL_PROT_STATUS_ACTIVE,
	HIDVOL_PROT_STATUS_ACTION_TAKEN			/* Active + action taken (write operation has already been denied) */
};

typedef struct
{
	BOOL ReadOnly;
	BOOL Removable;
	BOOL ProtectHiddenVolume;
	BOOL PreserveTimestamp;
	BOOL PartitionInInactiveSysEncScope;	/* If TRUE, we are to attempt to mount a partition located on an encrypted system drive without pre-boot authentication. */
	Password ProtectedHidVolPassword;	/* Password of hidden volume to protect against overwriting */
	BOOL UseBackupHeader;
	BOOL RecoveryMode;
} MountOptions;

#endif
