Java tutorial
package capture; /** * PROJECT: Capture-HPC * DATE: June 24, 2009 * FILE: Database.java * COPYRIGHT HOLDER: Victoria University of Wellington, NZ * AUTHORS: Van Lam Le (vanlamle@gmail.com) * <p/> * This file is part of Capture-HPC. * <p/> * Capture-HPC is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * <p/> * Capture-HPC 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. * <p/> * You should have received a copy of the GNU General Public License * along with Capture-HPC; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ import java.io.*; import java.text.SimpleDateFormat; import java.util.Date; import java.sql.Connection; import java.sql.Statement; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.DriverManager; import java.sql.SQLException; import javax.sql.DataSource; import org.apache.commons.dbcp.BasicDataSource; public class MySQLDatabase extends Database { static String DRIVER = "com.mysql.jdbc.Driver"; static String currentOperation = null; //hold current operation id static DataSource dataSource; //connection pool public MySQLDatabase() { BasicDataSource ds = new BasicDataSource(); ds.setDriverClassName(DRIVER); ds.setUsername(ConfigManager.getInstance().getConfigOption("database-username")); ds.setPassword(ConfigManager.getInstance().getConfigOption("database-password")); ds.setUrl(ConfigManager.getInstance().getConfigOption("database-url")); dataSource = ds; } //set a new value to currentOperation: move to a new operation public void setCurrentOperation(String operationid) { currentOperation = operationid; } //get current operation id public String getCurrentOperation() { return currentOperation; } // method to get a connection to database from connection pool public static Connection getConnection() { try { return dataSource.getConnection(); } catch (SQLException e) { e.printStackTrace(); return null; } } //load all values from status, clientprogram into memory. It can save time to access database public boolean loadTemporaryValue() { Connection con = this.getConnection(); Statement stmt; ResultSet rs; boolean result = false; try { stmt = con.createStatement(); //Add status values into memory stmt.executeQuery("SELECT status_id, name FROM status"); rs = stmt.getResultSet(); while (rs.next()) { ConfigManager.getInstance().addConfigOption("status-" + rs.getString(2).toLowerCase(), rs.getString(1)); } //Add client program values into memory stmt.executeQuery("SELECT clientprogram_id, name FROM clientprogram"); rs = stmt.getResultSet(); while (rs.next()) { ConfigManager.getInstance().addConfigOption("clientprogram-" + rs.getString(2).toLowerCase(), rs.getString(1)); } stmt.close(); con.close(); result = true; } catch (Exception e) { e.printStackTrace(); } return result; } //update urls status after inspectation. The status can be: benign, malicious, error public boolean setStatus(String urlid, String status, String visitStartTime, String visitFinishTime, String clientProgram) { Connection con = getConnection(); Statement stmt; ResultSet rs; String operationid = Database.getInstance().getCurrentOperation(); String clientProgramid = ConfigManager.getInstance().getConfigOption("clientprogram-" + clientProgram); String statusid = ConfigManager.getInstance().getConfigOption("status-" + status); boolean result = false; try { SimpleDateFormat sf1 = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss.S"); SimpleDateFormat sf2 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.S"); //convert dates into new format "yyyy/MM/dd HH:mm:ss.S" Date date = sf1.parse(visitStartTime); visitStartTime = sf2.format(date); date = sf1.parse(visitFinishTime); visitFinishTime = sf2.format(date); stmt = con.createStatement(); con.setAutoCommit(false); stmt.executeUpdate("UPDATE url_operation SET visitstarttime=\'" + visitStartTime + "\', " + "visitfinishtime=\'" + visitFinishTime + "\', " + "clientprogram_id=" + clientProgramid + ", " + "status_id=\'" + statusid + "\' WHERE url_id=" + urlid + " AND operation_id=" + operationid); stmt.executeUpdate("UPDATE url SET lastvisittime=\'" + visitFinishTime + "\', " + "currentstatus=\'" + statusid + "\', operation_id=" + operationid + " WHERE url_id=" + urlid); con.commit(); con.setAutoCommit(true); stmt.close(); con.close(); result = true; } catch (Exception e) { e.printStackTrace(); } return result; } //finish a operation, update result for the operation public boolean finishOperation() { Connection con = this.getConnection(); Statement stmt; String operationid = Database.getInstance().getCurrentOperation(); boolean result = false; try { Element e; stmt = con.createStatement(); if (operationid != null) { //Set visit finish time for operation SimpleDateFormat sf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.S"); String date = sf.format(new Date()); stmt.executeUpdate("UPDATE operation SET visitfinishtime=\'" + date + "\' " + "WHERE operation_id=" + operationid); } stmt.close(); con.close(); result = true; } catch (Exception e) { e.printStackTrace(); } return result; } //take all urls from a input text file, insert them into database public void loadInputUrlFromFile(final String inputUrlsFile) { Element element; Connection con = this.getConnection(); Statement stmt; PreparedStatement ps; ResultSet rs; String line, url_id, honeypotid = null; String operationid = null; boolean check = true; long count = 0; if (inputUrlsFile == null) { System.out.println("Error: There is no input-url file!"); System.exit(1); } if ((ConfigManager.getInstance().getConfigOption("import_check") != null) && (ConfigManager.getInstance().getConfigOption("import_check").toLowerCase().equals("false"))) { check = false; } try { stmt = con.createStatement(); //get honeypot id String serverip = ConfigManager.getInstance().getConfigOption("server-listen-address"); String serverport = ConfigManager.getInstance().getConfigOption("server-listen-port"); rs = stmt.executeQuery("SELECT honeypot_id FROM honeypot WHERE ipaddress=\'" + serverip + "\'"); if (rs.next()) { honeypotid = rs.getString(1); } else { //insert a new honeypot stmt.executeUpdate( "INSERT INTO honeypot(ipaddress, port) Values(\'" + serverip + "\', " + serverport + ")", Statement.RETURN_GENERATED_KEYS); rs = stmt.getGeneratedKeys(); if (rs.next()) { honeypotid = rs.getString(1); } else { System.out.println("System can't find any honeypot ip=" + serverip); System.exit(0); } } setSystemStatus(true); //open url file BufferedReader in = new BufferedReader( new InputStreamReader(new FileInputStream(inputUrlsFile), "UTF-8")); //add new operation stmt.executeUpdate("INSERT INTO operation(description, honeypot_id) Values (\'" + inputUrlsFile + "\', \'" + honeypotid + "\')", Statement.RETURN_GENERATED_KEYS); rs = stmt.getGeneratedKeys(); if (rs.next()) { operationid = rs.getString(1); setCurrentOperation(operationid); } System.out.println("The system is going to inspect urls in the new operation: " + operationid); //update visit start time for operation SimpleDateFormat sf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.S"); String date = sf.format(new Date()); stmt.executeUpdate("UPDATE operation SET visitstarttime=\'" + date + "\' " + "WHERE operation_id=" + operationid + " AND visitstarttime IS NULL"); System.out.println("Please wait for inserting urls into database..."); if (!check) //NO checking existance of url in database { while ((line = in.readLine()) != null) { if ((line.length() > 0)) { //line = line.trim().toLowerCase(); line = line.trim(); if (!line.startsWith("#")) { ps = con.prepareStatement("INSERT INTO url(url) Values (?)", Statement.RETURN_GENERATED_KEYS); ps.setString(1, line); ps.executeUpdate(); rs = ps.getGeneratedKeys(); rs.next(); url_id = rs.getString(1); stmt.executeUpdate("INSERT INTO url_operation(url_id, operation_id) Values (" + url_id + ", " + operationid + ")"); element = new Element(); element.name = "url"; element.attributes.put("add", ""); element.attributes.put("id", url_id); element.attributes.put("url", line); EventsController.getInstance().notifyEventObservers(element); count++; } } } } else //checking existance of url in database. Inserting only if no existance { while ((line = in.readLine()) != null) { if ((line.length() > 0)) { //line = line.trim().toLowerCase(); line = line.trim(); if (!line.startsWith("#")) { ps = con.prepareStatement("SELECT url_id FROM url WHERE url.url = ?"); ps.setString(1, line); rs = ps.executeQuery(); if (!rs.next()) { ps = con.prepareStatement("INSERT INTO url(url) Values (?)", Statement.RETURN_GENERATED_KEYS); ps.setString(1, line); ps.executeUpdate(); rs = ps.getGeneratedKeys(); rs.next(); count++; } //check URL id and operation id: not exist url_id = rs.getString(1); ps = con.prepareStatement( "SELECT url_id, operation_id FROM url_operation WHERE url_id = ? AND operation_id= ?"); ps.setLong(1, Long.parseLong(url_id)); ps.setLong(2, Long.parseLong(operationid)); rs = ps.executeQuery(); if (!rs.next()) { stmt.executeUpdate("INSERT INTO url_operation(url_id, operation_id) Values (" + url_id + ", " + operationid + ")"); element = new Element(); element.name = "url"; element.attributes.put("add", ""); element.attributes.put("id", url_id); element.attributes.put("url", line); EventsController.getInstance().notifyEventObservers(element); } } } } } con.close(); System.out.println("******** IMPORT URLs INTO DATABASE: " + count + " URLs have been inserted into database! ********"); } catch (Exception e) { e.printStackTrace(); } } //load all urls from url table and then run operation public void loadInputUrlFromDatabase() { Element element; Connection con = this.getConnection(); Statement stmt1, stmt2; ResultSet rs; String url, url_id, honeypotid = null; String operationid = null; long count = 0; try { stmt1 = con.createStatement(); stmt2 = con.createStatement(); //get honeypot id String serverip = ConfigManager.getInstance().getConfigOption("server-listen-address"); String serverport = ConfigManager.getInstance().getConfigOption("server-listen-port"); rs = stmt1.executeQuery("SELECT honeypot_id FROM honeypot WHERE ipaddress=\'" + serverip + "\'"); if (rs.next()) { honeypotid = rs.getString(1); } else { //insert a new honeypot stmt1.executeUpdate( "INSERT INTO honeypot(ipaddress, port) Values(\'" + serverip + "\', " + serverport + ")", Statement.RETURN_GENERATED_KEYS); rs = stmt1.getGeneratedKeys(); if (rs.next()) { honeypotid = rs.getString(1); } else { System.out.println("System can't find any honeypot ip=" + serverip); System.exit(0); } } setSystemStatus(true); //add new operation stmt1.executeUpdate("INSERT INTO operation(description, honeypot_id) Values (\'" + "Load urls from database" + "\', \'" + honeypotid + "\')", Statement.RETURN_GENERATED_KEYS); rs = stmt1.getGeneratedKeys(); if (rs.next()) { operationid = rs.getString(1); setCurrentOperation(operationid); } System.out.println("The system is going to inspect urls in the new operation: " + operationid); //update visit start time for operation SimpleDateFormat sf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.S"); String date = sf.format(new Date()); stmt1.executeUpdate("UPDATE operation SET visitstarttime=\'" + date + "\' " + "WHERE operation_id=" + operationid + " AND visitstarttime IS NULL"); //load urls from url table System.out.println("Loading urls from database...."); rs = stmt1.executeQuery("SELECT url_id, url FROM url"); while (rs.next()) { url_id = rs.getString(1); url = rs.getString(2); stmt2.executeUpdate("INSERT INTO url_operation(url_id, operation_id) Values (" + url_id + ", " + operationid + ")"); element = new Element(); element.name = "url"; element.attributes.put("add", ""); element.attributes.put("id", url_id); element.attributes.put("url", url); EventsController.getInstance().notifyEventObservers(element); count++; } con.close(); System.out.println("******** LOADING URL FROM DATABASE: " + count + " urls have been loaded! ********"); } catch (Exception e) { e.printStackTrace(); } } //resume last operation public boolean resumeLastOperation() { Connection con = this.getConnection(); Statement stmt; ResultSet rs; String operationid = null; String serverip = ConfigManager.getInstance().getConfigOption("server-listen-address"); boolean result = false; long count = 0; try { Element e; stmt = con.createStatement(); //find the last operation which still has unvisited urls. stmt.executeQuery("SELECT DISTINCT a.operation_id from url_operation a, operation b, honeypot c " + "WHERE a.operation_id=b.operation_id AND b.honeypot_id=c.honeypot_id AND a.status_id IS NULL " + " AND c.ipaddress=\'" + serverip + "\' order by operation_id DESC"); rs = stmt.getResultSet(); if (rs.next()) { operationid = rs.getString(1); System.out.println("System is going to inspect urls in the operation: " + operationid); Database.getInstance().setCurrentOperation(operationid); setSystemStatus(true); //update visit start time for operation if it hasn't set yet SimpleDateFormat sf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.S"); String date = sf.format(new Date()); stmt.executeUpdate("UPDATE operation SET visitstarttime=\'" + date + "\' " + "WHERE operation_id=" + operationid + " AND visitstarttime IS NULL"); //get all urls which haven't been visited yet stmt.executeQuery("SELECT url.url_id, url.url FROM url, url_operation " + "WHERE url_operation.url_id=url.url_id AND (url_operation.status_id IS NULL) AND url_operation.operation_id=" + operationid); rs = stmt.getResultSet(); while (rs.next()) { e = new Element(); e.name = "url"; e.attributes.put("add", ""); e.attributes.put("id", rs.getString(1)); e.attributes.put("url", rs.getString(2)); EventsController.getInstance().notifyEventObservers(e); count++; } } stmt.close(); con.close(); result = true; } catch (Exception e) { e.printStackTrace(); } System.out.println("******** RESUME: " + count + " URLs have been loaded! ********"); return result; } //import urls from text file without operation public void importUrlFromFile() { Connection con = this.getConnection(); PreparedStatement ps; ResultSet rs; String line, url_id, honeypotid = null; String operationid = null; String inputUrlsFile = ConfigManager.getInstance().getConfigOption("input_urls"); long count = 0; boolean check = true; if (inputUrlsFile == null) { System.out.println("Error: There is no input-url file!"); System.exit(1); } if ((ConfigManager.getInstance().getConfigOption("import_check") != null) && (ConfigManager.getInstance().getConfigOption("import_check").toLowerCase().equals("false"))) { check = false; } try { //open url file BufferedReader in = new BufferedReader( new InputStreamReader(new FileInputStream(inputUrlsFile), "UTF-8")); System.out.println("Please wait for importing urls into database..."); if (!check) { while ((line = in.readLine()) != null) { if ((line.length() > 0)) { //line = line.trim().toLowerCase(); line = line.trim(); if (!line.startsWith("#")) { ps = con.prepareStatement("INSERT INTO url(url) Values (?)"); ps.setString(1, line); ps.executeUpdate(); count++; } } } } else { while ((line = in.readLine()) != null) { if ((line.length() > 0)) { //line = line.trim().toLowerCase(); line = line.trim(); if (!line.startsWith("#")) { ps = con.prepareStatement("SELECT url_id FROM url WHERE url.url = ?"); ps.setString(1, line); rs = ps.executeQuery(); if (!rs.next()) { ps = con.prepareStatement("INSERT INTO url(url) Values (?)"); ps.setString(1, line); ps.executeUpdate(); count++; } } } } } con.close(); System.out.println( "******** IMPORTING URLs INTO DATABASEe: " + count + " URLs have been imported!********"); } catch (Exception e) { e.printStackTrace(); } } //store collected files in database public void storeFile(String urlid, String fileName) { Connection con = this.getConnection(); Statement stmt; ResultSet rs; try { File file = new File(fileName); FileInputStream fis = new FileInputStream(file); PreparedStatement ps = con .prepareStatement("INSERT INTO file(url_id, operation_id, filename, content) VALUES (" + urlid + ", " + getCurrentOperation() + ", ?, ?)"); ps.setString(1, fileName.substring(4)); ps.setBinaryStream(2, fis, (int) file.length()); ps.executeUpdate(); ps.close(); fis.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } } //store event in database public void storeEvent(String urlid, String event) { Connection con = this.getConnection(); Statement stmt; ResultSet rs; try { //split event event = event.substring(1, event.length() - 1); String[] str = event.split("\",\""); SimpleDateFormat sf1 = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss.S"); SimpleDateFormat sf2 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss.S"); //convert dates into new format "yyyy/MM/dd HH:mm:ss.S" Date date = sf1.parse(str[1]); str[1] = sf2.format(date); PreparedStatement ps = con.prepareStatement( "INSERT INTO event(url_id, time, operation_id, type, process, action, object1, object2) " + " VALUES (" + urlid + ", \'" + str[1] + "\', " + getCurrentOperation() + ", ?, ?, ?, ?, ?)"); ps.setString(1, str[0]); ps.setString(2, str[2]); ps.setString(3, str[3]); ps.setString(4, str[4]); ps.setString(5, str[5]); ps.executeUpdate(); ps.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } } // store info about error urls public void storeErrorUrl(String urlid, String majorError, String minorError) { Connection con = this.getConnection(); Statement stmt; ResultSet rs; try { PreparedStatement ps = con .prepareStatement("INSERT INTO error(url_id, operation_id, majorerror, minorerror) VALUES (" + urlid + ", " + getCurrentOperation() + ", ?, ?)"); ps.setString(1, majorError); ps.setString(2, minorError); ps.executeUpdate(); ps.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } } // set system status: True: running, False: stopping public void setSystemStatus(boolean status) { Connection con = this.getConnection(); Statement stmt; ResultSet rs; String ch; if (status) { ch = "T"; } else { ch = "F"; } try { stmt = con.createStatement(); stmt.executeUpdate("UPDATE honeypot SET status=\'" + ch + "\'" + "WHERE ipaddress=\'" + ConfigManager.getInstance().getConfigOption("server-listen-address") + "\'"); stmt.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } } // check system status public boolean getSystemStatus() { Connection con = this.getConnection(); Statement stmt; ResultSet rs; boolean result = true; try { stmt = con.createStatement(); //find the oldest operation which still has unvisited urls. stmt.executeQuery("SELECT status FROM honeypot WHERE ipaddress=\'" + ConfigManager.getInstance().getConfigOption("server-listen-address") + "\'"); rs = stmt.getResultSet(); if (rs.next()) { if (rs.getString(1).equals("F")) { result = false; } else { result = true; } } stmt.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } return result; } }