org.mariadb.jdbc.internal.packet.send.SendPamAuthPacket Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mariadb-java-client Show documentation
Show all versions of mariadb-java-client Show documentation
JDBC driver for MariaDB and MySQL
/*
MariaDB Client for Java
Copyright (c) 2012-2014 Monty Program 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 , Stephane Giron
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.packet.send;
import org.mariadb.jdbc.internal.packet.read.Packet;
import org.mariadb.jdbc.internal.packet.read.ReadPacketFetcher;
import org.mariadb.jdbc.internal.packet.result.ErrorPacket;
import org.mariadb.jdbc.internal.stream.PacketOutputStream;
import org.mariadb.jdbc.internal.util.buffer.Buffer;
import org.mariadb.jdbc.internal.util.dao.QueryException;
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.io.OutputStream;
import java.util.Arrays;
public class SendPamAuthPacket extends AbstractAuthSwitchSendResponsePacket implements InterfaceAuthSwitchSendResponsePacket {
private ReadPacketFetcher packetFetcher;
public SendPamAuthPacket(ReadPacketFetcher packetFetcher, String password, byte[] authData, int packSeq) {
super(packSeq, authData, password);
this.packetFetcher = packetFetcher;
}
/**
* Send native password stream.
*
* @param os database socket
* @throws IOException if a connection error occur
*/
public void send(OutputStream os) throws IOException, QueryException {
PacketOutputStream writer = (PacketOutputStream) os;
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
writer.startPacket(packSeq);
writer.write(password.getBytes());
writer.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 QueryException("Error during PAM authentication : dialog input cancelled");
}
writer.startPacket(packSeq);
writer.write(password.getBytes());
writer.write(0);
}
writer.finishPacket();
try {
Buffer buffer = packetFetcher.getReusableBuffer();
packSeq = packetFetcher.getLastPacketSeq() + 1;
type = buffer.getByteAt(0);
if (type == Packet.EOF || type == Packet.OK) {
return;
}
if (type == Packet.ERROR) {
ErrorPacket errorPacket = new ErrorPacket(buffer);
throw new QueryException("Error during PAM authentication : " + errorPacket.getMessage());
}
authData = buffer.readRawBytes(buffer.remaining());
} catch (EOFException eof) {
throw new QueryException("Error during PAM authentication reading server response : " + eof.getMessage()
+ "\n It may be due to a low @@connect_timeout.");
}
}
}
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(ReadPacketFetcher packetFetcher) throws QueryException, 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) {
}
@Override
public void ancestorRemoved(AncestorEvent ancestorEvent) {
}
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy