/*
* SSHTools - Java SSH2 API
*
* Copyright (C) 2002-2003 Lee David Painter and Contributors.
*
* Contributions made by:
*
* Brett Smith
* Richard Pernavas
* Erwin Bolwidt
*
* This program 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.
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.sshtools.j2ssh.authentication;
import com.sshtools.j2ssh.io.ByteArrayWriter;
import com.sshtools.j2ssh.transport.SshMessage;
import java.util.Properties;
/**
*
*
* @author $author$
* @version $Revision: 1.19 $
*/
public class KBIAuthenticationClient extends SshAuthenticationClient {
KBIRequestHandler handler;
/**
*
*
* @return
*/
public Properties getPersistableProperties() {
return new Properties();
}
/**
*
*
* @param handler
*/
public void setKBIRequestHandler(KBIRequestHandler handler) {
this.handler = handler;
}
/**
*
*/
public void reset() {
}
/**
*
*
* @param authentication
* @param serviceToStart
*
* @throws com.sshtools.j2ssh.authentication.TerminatedStateException
*
* @throws java.io.IOException
* @throws AuthenticationProtocolException
*/
public void authenticate(AuthenticationProtocolClient authentication,
String serviceToStart)
throws com.sshtools.j2ssh.authentication.TerminatedStateException,
java.io.IOException {
if (handler == null) {
throw new AuthenticationProtocolException(
"A request handler must be set!");
}
authentication.registerMessage(SshMsgUserAuthInfoRequest.class,
SshMsgUserAuthInfoRequest.SSH_MSG_USERAUTH_INFO_REQUEST);
// Send the authentication request
ByteArrayWriter baw = new ByteArrayWriter();
baw.writeString("");
baw.writeString("");
SshMessage msg = new SshMsgUserAuthRequest(getUsername(),
serviceToStart, getMethodName(), baw.toByteArray());
authentication.sendMessage(msg);
// Read a message
while (true) {
msg = authentication.readMessage(SshMsgUserAuthInfoRequest.SSH_MSG_USERAUTH_INFO_REQUEST);
if (msg instanceof SshMsgUserAuthInfoRequest) {
SshMsgUserAuthInfoRequest request = (SshMsgUserAuthInfoRequest) msg;
KBIPrompt[] prompts = request.getPrompts();
handler.showPrompts(request.getName(),
request.getInstruction(), prompts);
// Now send the response message
msg = new SshMsgUserAuthInfoResponse(prompts);
authentication.sendMessage(msg);
} else {
throw new AuthenticationProtocolException(
"Unexpected authentication message " +
msg.getMessageName());
}
}
}
/**
*
*
* @return
*/
public boolean canAuthenticate() {
return true;
}
/**
*
*
* @return
*/
public String getMethodName() {
return "keyboard-interactive";
}
/**
*
*
* @param properties
*/
public void setPersistableProperties(Properties properties) {
}
/* public boolean showAuthenticationDialog(Component parent)
throws java.io.IOException {
final Component myparent = parent;
this.handler = new KBIRequestHandlerDialog();
// this.handler = new KBIRequestHandler() {
// public void showPrompts(String name, String instructions,
// KBIPrompt[] prompts) {
// if (prompts != null) {
// for (int i = 0; i < prompts.length; i++) {
// // We can echo the response back to the client
// prompts[i].setResponse((JOptionPane
// .showInputDialog(myparent,
// prompts[i].getPrompt(), name,
// JOptionPane.QUESTION_MESSAGE)));
// }
// }
// }
// };
return true;
}*/
}