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/*
* Copyright 2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mockftpserver.fake.command;
import org.mockftpserver.core.command.Command;
import org.mockftpserver.core.command.ReplyCodes;
import org.mockftpserver.core.session.Session;
import org.mockftpserver.core.util.PortParser;
import java.net.InetAddress;
/**
* CommandHandler for the PASV command. Handler logic:
* <ol>
* <li>If the user has not logged in, then reply with 530</li>
* <li>Otherwise, request the Session to switch to passive data connection mode. Return a reply code of 227,
* along with response text of the form: "<i>(h1,h2,h3,h4,p1,p2)</i>", where <i>h1..h4</i> are the
* 4 bytes of the 32-bit internet host address of the server, and <i>p1..p2</i> are the 2
* bytes of the 16-bit TCP port address of the data connection on the server to which
* the client must connect. See RFC959 for more information.</i>
* </ol>
*
* @author Chris Mair
* @version $Revision$ - $Date$
*/
public class PasvCommandHandler extends AbstractFakeCommandHandler {
protected void handle(Command command, Session session) {
verifyLoggedIn(session);
int port = session.switchToPassiveMode();
InetAddress server = session.getServerHost();
LOG.debug("server=" + server + " port=" + port);
String hostAndPort = PortParser.convertHostAndPortToCommaDelimitedBytes(server, port);
sendReply(session, ReplyCodes.PASV_OK, "pasv", list(hostAndPort));
}
}
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