// SoftEther VPN Source Code
// Mayaqua Kernel
// 
// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
// 
// Copyright (c) 2012-2014 Daiyuu Nobori.
// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.
// Copyright (c) 2012-2014 SoftEther Corporation.
// 
// All Rights Reserved.
// 
// http://www.softether.org/
// 
// Author: Daiyuu Nobori
// Comments: Tetsuo Sugiyama, Ph.D.
// 
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// version 2 as published by the Free Software Foundation.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License version 2
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// 
// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
// 
// 
// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
// 
// USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS
// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES
// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER
// COUNTRIES MIGHT BE RESTRICTED.
// 
// 
// SOURCE CODE CONTRIBUTION
// ------------------------
// 
// Your contribution to SoftEther VPN Project is much appreciated.
// Please send patches to us through GitHub.
// Read the SoftEther VPN Patch Acceptance Policy in advance:
// http://www.softether.org/5-download/src/9.patch
// 
// 
// DEAR SECURITY EXPERTS
// ---------------------
// 
// If you find a bug or a security vulnerability please kindly inform us
// about the problem immediately so that we can fix the security problem
// to protect a lot of users around the world as soon as possible.
// 
// Our e-mail address for security reports is:
// softether-vpn-security [at] softether.org
// 
// Please note that the above e-mail address is not a technical support
// inquiry address. If you need technical assistance, please visit
// http://www.softether.org/ and ask your question on the users forum.
// 
// Thank you for your cooperation.


// Secure.h
// Header of Secure.c

#ifndef	SECURE_H
#define	SECURE_H

// Constant
#define	MAX_SEC_DATA_SIZE		4096

// Type declaration related to PKCS#11
#ifndef	SECURE_C
typedef struct CK_FUNCTION_LIST *CK_FUNCTION_LIST_PTR;
typedef struct SEC_DATA_WIN32	SEC_DATA_WIN32;
typedef struct CK_TOKEN_INFO	CK_TOKEN_INFO;
typedef struct CK_DATE			CK_DATE;
#endif	// SECURE_C

// Secure device
struct SECURE_DEVICE
{
	UINT Id;								// Device ID
	UINT Type;								// Type
	char *DeviceName;						// Device name
	char *Manufacturer;						// Manufacturer
	char *ModuleName;						// Module name
};

// Type of secure device
#define	SECURE_IC_CARD				0		// IC card
#define	SECURE_USB_TOKEN			1		// USB token

// Secure device information
struct SEC_INFO
{
	wchar_t *Label;							// Label
	wchar_t *ManufacturerId;					// Vendor ID
	wchar_t *Model;							// Model
	wchar_t *SerialNumber;						// Serial number
	UINT MaxSession;						// Maximum number of sessions
	UINT MaxRWSession;						// Maximum Number of R/W sessions
	UINT MinPinLen;							// Minimum length of the PIN string
	UINT MaxPinLen;							// Maximum length of the PIN string
	UINT TotalPublicMemory;					// Total memory capacity (Public)
	UINT FreePublicMemory;					// Free memory capacity (Public)
	UINT TotalPrivateMemory;				// Total memory capacity (Private)
	UINT FreePrivateMemory;					// Free memory capacity (Private)
	char *HardwareVersion;					// Hardware version
	char *FirmwareVersion;					// Firmware version
};

// Secure device structure
struct SECURE
{
	LOCK *lock;								// Lock
	SECURE_DEVICE *Dev;						// Device Information
	UINT Error;								// The error that last occurred
	struct CK_FUNCTION_LIST *Api;			// API
	bool Initialized;						// Initialization flag
	UINT NumSlot;							// The number of slots
	UINT *SlotIdList;						// Slot ID list
	bool SessionCreated;					// Session creation flags
	UINT SessionId;							// Session ID
	UINT SessionSlotNumber;					// Slot ID of the session
	bool LoginFlag;							// Logged-in flag
	SEC_INFO *Info;							// Token information
	LIST *EnumCache;						// Enumeration cache

	// Attribute value for the different behavior for each driver
	bool IsEPass1000;						// ePass 1000
	bool IsReadOnly;						// Read-only mode

#ifdef	OS_WIN32
	struct SEC_DATA_WIN32 *Data;			// Data
#endif	// OS_WIN32
};

// Secure device object structure
struct SEC_OBJ
{
	UINT Type;								// Type of object
	UINT Object;							// Object handle
	bool Private;							// Private flag
	char *Name;								// Name
};

#define	SEC_ERROR_NOERROR				0	// No Error
#define	SEC_ERROR_INVALID_SLOT_NUMBER	1	// Slot number is invalid
#define	SEC_ERROR_OPEN_SESSION			2	// Session creation failure
#define	SEC_ERROR_SESSION_EXISTS		3	// The session already exists
#define	SEC_ERROR_NO_PIN_STR			4	// PIN string is not specified
#define	SEC_ERROR_ALREADY_LOGIN			5	// Already logged in
#define	SEC_ERROR_BAD_PIN_CODE			6	// PIN code is invalid
#define	SEC_ERROR_NO_SESSION			7	// There is no session
#define	SEC_ERROR_DATA_TOO_BIG			8	// Data is too large
#define	SEC_ERROR_NOT_LOGIN				9	// Not logged in
#define	SEC_ERROR_BAD_PARAMETER			10	// Invalid Parameters
#define	SEC_ERROR_HARDWARE_ERROR		11	// Hardware error
#define	SEC_ERROR_OBJ_NOT_FOUND			12	// Object is not found
#define	SEC_ERROR_INVALID_CERT			13	// The certificate is invalid


#define	SEC_DATA						0	// Data
#define	SEC_X							1	// Certificate
#define	SEC_K							2	// Secret key
#define	SEC_P							3	// Public key



// Function prototype
void InitSecure();
void FreeSecure();
void InitSecureDeviceList();
void FreeSecureDeviceList();
bool IsDeviceSupported(SECURE_DEVICE *dev);
LIST *GetSupportedDeviceList();
LIST *GetSecureDeviceList();
bool CheckSecureDeviceId(UINT id);
SECURE_DEVICE *GetSecureDevice(UINT id);
SECURE *OpenSec(UINT id);
void CloseSec(SECURE *sec);
bool OpenSecSession(SECURE *sec, UINT slot_number);
void CloseSecSession(SECURE *sec);
bool LoginSec(SECURE *sec, char *pin);
void LogoutSec(SECURE *sec);
void PrintSecInfo(SECURE *sec);
LIST *EnumSecObject(SECURE *sec);
void FreeSecObject(SEC_OBJ *obj);
void FreeEnumSecObject(LIST *o);
SEC_OBJ *FindSecObject(SECURE *sec, char *name, UINT type);
bool CheckSecObject(SECURE *sec, char *name, UINT type);
bool DeleteSecObjectByName(SECURE *sec, char *name, UINT type);
SEC_OBJ *CloneSecObject(SEC_OBJ *obj);
LIST *CloneEnumSecObject(LIST *o);
void EraseEnumSecObjectCache(SECURE *sec);
void DeleteSecObjFromEnumCache(SECURE *sec, char *name, UINT type);
void AddSecObjToEnumCache(SECURE *sec, char *name, UINT type, bool private_obj, UINT object);
bool WriteSecData(SECURE *sec, bool private_obj, char *name, void *data, UINT size);
int ReadSecDataFromObject(SECURE *sec, SEC_OBJ *obj, void *data, UINT size);
int ReadSecData(SECURE *sec, char *name, void *data, UINT size);
bool DeleteSecObject(SECURE *sec, SEC_OBJ *obj);
bool DeleteSecData(SECURE *sec, char *name);
void UINT64ToCkDate(void *p_ck_date, UINT64 time64);
bool WriteSecCert(SECURE *sec, bool private_obj, char *name, X *x);
bool DeleteSecCert(SECURE *sec, char *name);
X *ReadSecCertFromObject(SECURE *sec, SEC_OBJ *obj);
X *ReadSecCert(SECURE *sec, char *name);
bool WriteSecKey(SECURE *sec, bool private_obj, char *name, K *k);
bool DeleteSecKey(SECURE *sec, char *name);
bool SignSecByObject(SECURE *sec, SEC_OBJ *obj, void *dst, void *src, UINT size);
bool SignSec(SECURE *sec, char *name, void *dst, void *src, UINT size);
bool ChangePin(SECURE *sec, char *old_pin, char *new_pin);
void TestSec();
void TestSecMain(SECURE *sec);
bool IsJPKI(bool id);

bool LoadSecModule(SECURE *sec);
void FreeSecModule(SECURE *sec);
void GetSecInfo(SECURE *sec);
void FreeSecInfo(SECURE *sec);
SEC_INFO *TokenInfoToSecInfo(void *p_t);
void FreeSecInfoMemory(SEC_INFO *s);

#ifdef	OS_WIN32

bool Win32IsDeviceSupported(SECURE_DEVICE *dev);
bool Win32LoadSecModule(SECURE *sec);
void Win32FreeSecModule(SECURE *sec);

#endif	// OS_WIN32


#ifdef	SECURE_C
// Internal data structure
// The list of supported secure devices
static LIST *SecureDeviceList = NULL;

// Supported hardware list
SECURE_DEVICE SupportedList[] =
{
	{1,		SECURE_IC_CARD,		"Standard-9 IC Card",	"Dai Nippon Printing",	"DNPS9P11.DLL"},
	{2,		SECURE_USB_TOKEN,	"ePass 1000",			"Feitian Technologies",	"EP1PK111.DLL"},
	{3,		SECURE_IC_CARD,		"DNP Felica",			"Dai Nippon Printing",	"DNPFP11.DLL"},
	{4,		SECURE_USB_TOKEN,	"eToken",				"Aladdin",				"ETPKCS11.DLL"},
	{5,		SECURE_IC_CARD,		"Standard-9 IC Card",	"Fujitsu",				"F3EZSCL2.DLL"},
	{6,		SECURE_IC_CARD,		"ASECard",				"Athena",				"ASEPKCS.DLL"},
	{7,		SECURE_IC_CARD,		"Gemplus IC Card",		"Gemplus",				"PK2PRIV.DLL"},
	{8,		SECURE_IC_CARD,		"1-Wire & iButton",		"DALLAS SEMICONDUCTOR",	"DSPKCS.DLL"},
	{9,		SECURE_IC_CARD,		"JPKI IC Card",			"Japanese Government",	"JPKIPKCS11.DLL"},
	{10,	SECURE_IC_CARD,		"LGWAN IC Card",		"Japanese Government",	"P11STD9.DLL"},
	{11,	SECURE_IC_CARD,		"LGWAN IC Card",		"Japanese Government",	"P11STD9A.DLL"},
	{12,	SECURE_USB_TOKEN,	"iKey 1000",			"Rainbow Technologies",	"K1PK112.DLL"},
	{13,	SECURE_IC_CARD,		"JPKI IC Card #2",		"Japanese Government",	"libmusclepkcs11.dll"},
	{14,	SECURE_USB_TOKEN,	"SafeSign",				"A.E.T.",				"aetpkss1.dll"},
	{15,	SECURE_USB_TOKEN,	"LOCK STAR-PKI",		"Logicaltech Co.,LTD",	"LTPKCS11.dll"},
	{16,	SECURE_USB_TOKEN,	"ePass 2000",			"Feitian Technologies",	"ep2pk11.dll"},
	{17,	SECURE_IC_CARD,		"myuToken",				"iCanal Inc.",			"icardmodpk.dll"},
	{18,	SECURE_IC_CARD,		"Gemalto .NET",			"Gemalto",				"gtop11dotnet.dll"},
	{19,	SECURE_IC_CARD,		"Gemalto .NET 64bit",	"Gemalto",				"gtop11dotnet64.dll"},
};

#ifdef	OS_WIN32

// Win32 internal data
typedef struct SEC_DATA_WIN32
{
	HINSTANCE hInst;
} SEC_DATA_WIN32;

#endif	// OS_WIN32

#endif	// SECURE_C

#endif	// SECURE_H

// Developed by SoftEther VPN Project at University of Tsukuba in Japan.
// Department of Computer Science has dozens of overly-enthusiastic geeks.
// Join us: http://www.tsukuba.ac.jp/english/admission/
