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From "Andrew Zhang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1235) [classlib][net] unexpected ClassCastException for ServerSocket.implAccept(Socket)
Date Wed, 23 Aug 2006 06:26:16 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1235?page=all ]

Andrew Zhang updated HARMONY-1235:
----------------------------------

    Attachment: Harmony-1235-v2.diff

Hi Paulex,

You're right. Update patch fixes security problem. It also remove a never used variable "connectLock".

Any problem, please let me know. Thanks!

Best regards,
Andrew

> [classlib][net] unexpected ClassCastException for ServerSocket.implAccept(Socket)
> ---------------------------------------------------------------------------------
>
>                 Key: HARMONY-1235
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1235
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vladimir Ivanov
>         Assigned To: Paulex Yang
>         Attachments: Harmony-1235-v2.diff, Harmony-1235.diff
>
>
> The method ServerSocket().implAccept() throws unexpected ClassCastException on Harmony.
> ===================== test.java =======================
> import java.net.*;
> import java.io.*;
> public class test  {
>     public static void main (String[] args) throws Exception {
>         new testServerSocket().myimplAccept(new testSocket(new TestSocketImpl()));
>     }
> }
> class TestSocketImpl extends SocketImpl {
>     protected void create(boolean arg0) throws IOException {}
>     protected void connect(String arg0, int arg1) throws IOException {}
>     protected void connect(InetAddress arg0, int arg1) throws IOException {}
>     protected void connect(SocketAddress arg0, int arg1) throws IOException {}
>     protected void bind(InetAddress arg0, int arg1) throws IOException {}
>     protected void listen(int arg0) throws IOException {}
>     protected void accept(SocketImpl arg0) throws IOException {}
>     protected InputStream getInputStream() throws IOException {return null;}
>     protected OutputStream getOutputStream() throws IOException {return null;}
>     protected int available() throws IOException {return 0;}
>     protected void close() throws IOException {}
>     protected void sendUrgentData(int arg0) throws IOException {}
>     public void setOption(int arg0, Object arg1) throws SocketException {}
>     public Object getOption(int arg0) throws SocketException {return null;}
> }
> class testSocket extends Socket {
>    public testSocket(SocketImpl impl) throws SocketException {
>      super(impl);
>    }
> }
> class testServerSocket extends ServerSocket {
>     public testServerSocket() throws Exception {
>         super();
>     } 
>     public void myimplAccept(Socket s) throws Exception {
>         super.implAccept(s);
>     } 
> }
> ===================================================
> Output:
> C:\tmp\tmp17>C:\jdk1.5.0_06\bin\java.exe -cp . -showversion test
> java version "1.5.0_06"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
> Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode)
> Exception in thread "main" java.net.SocketException: socket closed
>         at java.net.PlainSocketImpl.socketAccept(Native Method)
>         at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>         at java.net.ServerSocket.implAccept(ServerSocket.java:450)
>         at testServerSocket.myimplAccept(test.java:37)
>         at test.main(test.java:6)
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System
optimized over throughput (initial strategy singleparpar))
> java.net.SocketException: Connection aborted by peer
>         at jrockit.net.SocketNativeIO.accept(ILjava.io.FileDescriptor;I)[B(Native Method)
>         at jrockit.net.SocketNativeIO.accept(Ljava.io.FileDescriptor;Ljava.io.FileDescriptor;I)Ljrockit.net.InetAddressCache;(Unknown
Source)
>         at java.net.AbstractSocketImpl.accept(Ljava.net.SocketImpl;)V(Unknown Source)
>         at java.net.ServerSocket.implAccept(ServerSocket.java:450)
>         at testServerSocket.myimplAccept(test.java:37)
>         at test.main(test.java:6)
> C:\tmp\tmp17>C:\harmony\classlib1.5\deploy\jdk\jre\bin\java.exe -cp . -showversion
test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> Exception in thread "main" java.lang.ClassCastException: TestSocketImpl incompatible
with org.apache.harmony.luni.net.PlainSocketImpl
>         at org.apache.harmony.luni.net.PlainSocketImpl.accept(PlainSocketImpl.java:94)
>         at java.net.ServerSocket.implAccept(ServerSocket.java:252)
>         at testServerSocket.myimplAccept(test.java:37)
>         at test.main(test.java:6)

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