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/*
* Copyright (c) 2001, 2025, 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 4401485
* @requires (os.family == "windows")
* @modules java.base/sun.net.www.protocol.file
* @library /test/lib
* @summary Check that URL.openConnection() doesn't open connection to UNC
*/
import jtreg.SkippedException;
import sun.net.www.protocol.file.FileURLConnection;
import java.io.File;
import java.net.InetAddress;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
public class UNCTest {
public static void main(String[] args) throws Exception {
// Get the "computer name" for this host
String hostName = InetAddress.getLocalHost().getHostName();
// UNC path which always exists with Administrative Shares enabled
String path = "\\\\" + hostName + "\\C$\\Windows";
// Skip test if Administrative Shares is disabled
if (! new File(path).exists()) {
throw new SkippedException("Administrative Shares not enabled");
}
// File URL for the UNC path
URL url = new URI("file://" + hostName + "/C$/Windows").toURL();
// Should open a FileURLConnection for the UNC path
URLConnection conn = url.openConnection();
// Sanity check that the connection is a FileURLConnection
if (! (conn instanceof FileURLConnection)) {
throw new Exception("Expected FileURLConnection, instead got "
+ conn.getClass().getName());
}
// Verify that the connection is not in an already connected state
conn.setRequestProperty( "User-Agent", "Java" );
}
}
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