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/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8022580
* @summary "null" should be treated as "current directory" in nameList()
* method of FtpClient
* @modules java.base/sun.net.ftp
* @run main TestFtpClientNameListWithNull
*/
import sun.net.ftp.FtpClient;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
public class TestFtpClientNameListWithNull {
private static volatile boolean commandHasArgs;
public static void main(String[] args) throws Exception {
try (FtpServer server = new FtpServer();
FtpClient client = FtpClient.create()) {
(new Thread(server)).start();
int port = server.getPort();
client.connect(new InetSocketAddress("localhost", port));
client.nameList(null);
} finally {
if (commandHasArgs) {
throw new RuntimeException("Test failed. NLST shouldn't have " +
"args if nameList parameter is null");
}
}
}
private static class FtpServer implements AutoCloseable, Runnable {
private final ServerSocket serverSocket;
FtpServer() throws IOException {
serverSocket = new ServerSocket(0);
}
public void handleClient(Socket client) throws IOException {
boolean done = false;
String str;
client.setSoTimeout(2000);
BufferedReader in = new BufferedReader(new InputStreamReader(client.
getInputStream()));
PrintWriter out = new PrintWriter(client.getOutputStream(), true);
out.println("220 FTP serverSocket is ready.");
while (!done) {
try {
str = in.readLine();
} catch (SocketException e) {
done = true;
continue;
}
String cmd = str.substring(0, str.indexOf(" ") > 0 ?
str.indexOf(" ") : str.length());
String args = (cmd.equals(str)) ?
"" : str.substring(str.indexOf(" "));
switch (cmd) {
case "QUIT":
out.println("221 Goodbye.");
out.flush();
done = true;
break;
case "EPSV":
if ("all".equalsIgnoreCase(args)) {
out.println("200 EPSV ALL command successful.");
continue;
}
out.println("229 Entering Extended Passive Mode " +
"(|||" + getPort() + "|)");
break;
case "NLST":
if (args.trim().length() != 0) {
commandHasArgs = true;
}
out.println("200 Command okay.");
break;
default:
out.println("500 unsupported command: " + str);
}
}
}
public int getPort() {
if (serverSocket != null) {
return serverSocket.getLocalPort();
}
return 0;
}
public void close() throws IOException {
if (serverSocket != null && !serverSocket.isClosed()) {
serverSocket.close();
}
}
@Override
public void run() {
try {
try (Socket client = serverSocket.accept()) {
handleClient(client);
}
} catch (IOException e) {
throw new RuntimeException("Problem in test execution", e);
}
}
}
}
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