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/*
* Copyright (c) 2020, 2024, 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 8245194
* @run main/othervm SocketOptions
*/
import java.io.IOException;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Set;
import jdk.net.UnixDomainPrincipal;
import static jdk.net.ExtendedSocketOptions.SO_PEERCRED;
/**
* Check that all supported options can actually be set and got
*/
public class SocketOptions {
public static void main(String args[]) throws Exception {
if (!supported()) {
System.out.println("Unix domain channels not supported");
return;
}
test(ServerSocketChannel.open(StandardProtocolFamily.UNIX));
test(SocketChannel.open(StandardProtocolFamily.UNIX));
testPeerCred();
}
static void testPeerCred() throws Exception {
UnixDomainSocketAddress addr = null;
UnixDomainPrincipal p;
try (ServerSocketChannel s = ServerSocketChannel.open(StandardProtocolFamily.UNIX)) {
s.bind(null);
addr = (UnixDomainSocketAddress)s.getLocalAddress();
try (SocketChannel c = SocketChannel.open(addr)) {
if (!c.supportedOptions().contains(SO_PEERCRED)) {
return;
}
Files.deleteIfExists(addr.getPath());
p = c.getOption(SO_PEERCRED);
String s1 = p.user().getName();
System.out.println(s1);
System.out.println(p.group().getName());
String s2 = System.getProperty("user.name");
// Check returned user name
if (!s1.equals(s2)) {
throw new RuntimeException("wrong username, actual " + s1 +
" but expected value from property user.name is " + s2);
}
// Try setting the option: Read only
try {
c.setOption(SO_PEERCRED, p);
throw new RuntimeException("should have thrown SocketException");
} catch (SocketException e) {}
}
} finally {
if (addr != null)
Files.deleteIfExists(addr.getPath());
}
// Try getting from unconnected socket
try (var c = SocketChannel.open(StandardProtocolFamily.UNIX)) {
try {
p = c.getOption(SO_PEERCRED);
System.out.println(p.user());
throw new RuntimeException("should have thrown SocketException");
} catch (SocketException e) {}
}
// Try getting from ServerSocketChannel
try (var server = ServerSocketChannel.open(StandardProtocolFamily.UNIX)) {
try {
p = server.getOption(SO_PEERCRED);
System.out.println(p.user());
throw new RuntimeException("should have thrown USE");
} catch (UnsupportedOperationException e) {}
}
}
static boolean supported() {
try {
SocketChannel.open(StandardProtocolFamily.UNIX).close();
} catch (UnsupportedOperationException e) {
return false;
} catch (Exception e) {
return true; // continue test to see what problem is
}
return true;
}
@SuppressWarnings("unchecked")
public static void test(NetworkChannel chan) throws IOException {
System.out.println("Checking: " + chan.getClass());
Set<SocketOption<?>> supported = chan.supportedOptions();
for (SocketOption<?> option : supported) {
String name = option.name();
System.out.println("Checking option " + name);
if (option.type() == Boolean.class) {
chan.setOption((SocketOption<Boolean>)option, true);
chan.setOption((SocketOption<Boolean>)option, false);
chan.getOption(option);
} else if (option.type() == Integer.class) {
chan.setOption((SocketOption<Integer>)option, 10);
chan.getOption(option);
}
}
}
}
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