#ifndef __CERTDB_H_	#define __CERTDB_H_#include <stdlib.h>#include <string.h>#include <iostream>#include <openssl/x509.h>#include <NggObject.h>#include <mysql.h>#include <errmsg.h>using namespace std;class CertDB{public:	CertDB();	~CertDB();	void showInformation();	bool importCertToDB(string dn, X509* cert, string serialNumber, string type="user", string priv="", string action="insert");	char* exportCertToUser(string name, string dn="", string action="");	bool importCertListToDB(string dn, string certlist, string serialNumber, string type="gw", string priv="", string action="insert");	bool findCertInDB(string username, string dn="");	bool delCertFromDB(string type, string username, string dn="");	bool updateCertToDB(string dn, X509* cert, string type="user", string priv="");	bool updateCertListToDB(string dn, string certlist, string type="gw", string priv="");	bool importCRLToDB(char* crl, string action="insert", string issuer="");	char* exportCRLFromDB(string type="local");	bool updateCRL(char* crl);	bool checkWhetherUserHaveExisted(const char* DN);	bool connectDBServer();	bool initCADB();		bool createCertChain();	bool createCRLChain();	bool initializeConnect();	string m_swap;private:	MYSQL *m_sql;    MYSQL_ROW m_row;    MYSQL_RES *m_result;	bool m_findNumber;	string m_server, m_username, m_password, m_db;	string getIssuer(string dn);	string parseXML(string xml, string type="get", string keyword="", string attr="", string value="");	string locateInXML(NggObject* object, string type="get", string keyword="", string attr="", string value="");	string readCAConfig(string keyword, string object);	bool execute(string sql, string type="read");	bool handleShell(string shell);	void createDB();public:	void closeDB();	void closeConnection();};#endif