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JDBC driver for MariaDB and MySQL for java 7
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/*
*
* MariaDB Client for Java
*
* Copyright (c) 2012-2014 Monty Program Ab.
* Copyright (c) 2015-2017 MariaDB Ab.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this library; if not, write to Monty Program Ab [email protected].
*
* This particular MariaDB Client for Java file is work
* derived from a Drizzle-JDBC. Drizzle-JDBC file which is covered by subject to
* the following copyright and notice provisions:
*
* Copyright (c) 2009-2011, Marcus Eriksson
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* Neither the name of the driver nor the names of its contributors may not be
* used to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
*/
package org.mariadb.jdbc.internal.com.send;
import org.mariadb.jdbc.internal.com.read.Buffer;
import org.mariadb.jdbc.internal.com.read.ErrorPacket;
import org.mariadb.jdbc.internal.io.input.PacketInputStream;
import org.mariadb.jdbc.internal.io.output.PacketOutputStream;
import javax.swing.*;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
import java.awt.*;
import java.io.Console;
import java.io.EOFException;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Arrays;
import static org.mariadb.jdbc.internal.com.Packet.*;
public class SendPamAuthPacket extends AbstractAuthSwitchSendResponsePacket implements InterfaceAuthSwitchSendResponsePacket {
private PacketInputStream reader;
public SendPamAuthPacket(PacketInputStream reader, String password, byte[] authData, int packSeq, String passwordCharacterEncoding) {
super(packSeq, authData, password, passwordCharacterEncoding);
this.reader = reader;
}
/**
* Send native password stream.
*
* @param pos database socket
* @throws IOException if a connection error occur
*/
public void send(PacketOutputStream pos) throws IOException, SQLException {
byte type = authData[0];
String promptb;
//conversation is :
// - first byte is information tell if question is a password or clear text.
// - other bytes are the question to user
while (true) {
promptb = new String(Arrays.copyOfRange(authData, 1, authData.length));
if ("Password: ".equals(promptb) && password != null && !"".equals(password)) {
//ask for password
pos.startPacket(packSeq);
byte[] bytePwd;
if (passwordCharacterEncoding != null && !passwordCharacterEncoding.isEmpty()) {
bytePwd = password.getBytes(passwordCharacterEncoding);
} else {
bytePwd = password.getBytes();
}
pos.write(bytePwd, 0, bytePwd.length);
pos.write(0);
} else {
// 2 means "read the input with the echo enabled"
// 4 means "password-like input, echo disabled"
boolean isPassword = type == 4;
//ask user to answer
String password = showInputDialog(promptb, isPassword);
if (password == null) {
throw new SQLException("Error during PAM authentication : dialog input cancelled");
}
pos.startPacket(packSeq);
byte[] bytePwd;
if (passwordCharacterEncoding != null && !passwordCharacterEncoding.isEmpty()) {
bytePwd = password.getBytes(passwordCharacterEncoding);
} else {
bytePwd = password.getBytes();
}
pos.write(bytePwd, 0, bytePwd.length);
pos.write(0);
}
pos.flush();
try {
Buffer buffer = reader.getPacket(true);
packSeq = reader.getLastPacketSeq() + 1;
type = buffer.getByteAt(0);
if (type == EOF || type == OK) {
return;
}
if (type == ERROR) {
ErrorPacket errorPacket = new ErrorPacket(buffer);
throw new SQLException("Error during PAM authentication : " + errorPacket.getMessage());
}
authData = buffer.readRawBytes(buffer.remaining());
} catch (EOFException eof) {
throw new SQLException("Error during PAM authentication reading server response : " + eof.getMessage()
+ "\nPlease check that value of @@connect_timeout is not too low.");
}
}
}
private String showInputDialog(String label, boolean isPassword) throws IOException {
String password;
try {
if (isPassword) {
JPasswordField pwd = new JPasswordField();
pwd.addAncestorListener(new RequestFocusListener());
int action = JOptionPane.showConfirmDialog(null, pwd, label, JOptionPane.OK_CANCEL_OPTION);
if (action == JOptionPane.OK_OPTION) {
password = new String(pwd.getPassword());
} else {
throw new IOException("Error during PAM authentication : dialog input cancelled");
}
} else {
password = JOptionPane.showInputDialog(label);
}
} catch (HeadlessException noGraphicalEnvironment) {
//no graphical environment
Console console = System.console();
if (console == null) {
throw new IOException("Error during PAM authentication : input by console not possible");
}
if (isPassword) {
char[] passwordChar = console.readPassword(label);
password = new String(passwordChar);
} else {
password = console.readLine(label);
}
}
if (password != null) {
return password;
} else {
throw new IOException("Error during PAM authentication : dialog input cancelled");
}
}
@Override
public void handleResultPacket(PacketInputStream reader) throws SQLException, IOException {
//do nothing, since the OK packet has already been read in the send conversation
}
/**
* Force focus to input field.
*/
public class RequestFocusListener implements AncestorListener {
private boolean removeListener;
public RequestFocusListener() {
this(true);
}
public RequestFocusListener(boolean removeListener) {
this.removeListener = removeListener;
}
@Override
public void ancestorAdded(AncestorEvent ancestorEvent) {
JComponent component = ancestorEvent.getComponent();
component.requestFocusInWindow();
if (removeListener) {
component.removeAncestorListener(this);
}
}
@Override
public void ancestorMoved(AncestorEvent ancestorEvent) {
//do nothing
}
@Override
public void ancestorRemoved(AncestorEvent ancestorEvent) {
//do nothing
}
}
}