From e832ab3c91f01cdb1bd618ffe4a8e00505264d22 Mon Sep 17 00:00:00 2001
From: Michael Koch <konqueror@gmx.de>
Date: Thu, 3 Oct 2002 11:23:33 +0000
Subject: 2002-09-30  Michael Koch  <konqueror@gmx.de>

	* java/net/DatagramSocket.java
	(receive): Check with SecurityManager AFTER the packet is received,
	check if connected to multicast address, documentation added.
	(send): Only check SecurityManager if connected, check address of
	packet to send.
	(connect): Implemented, documentation added.
	* java/net/Inet6Address.java: New file (not added yet to Makefile.am).
	* java/net/InetSocketAddress.java
	(whole file): Reindented.
	(hostname): New attribute.
	(InetSocketAddress): Initialize new attribute.
	(getAddress): Documentation added.
	(getHostName): Documentation added.
	(getPort): Documentation added.
	(hashCode): Documentation added.
	(isUnresolved): Documentation added.
	(toString): Conform to output of JDK 1.4.1, documentation added.
	* java/net/MulticastSocket.java
	(joinGroup): Removed FIXME, documentation added.
	(leaveGroup): Removed FIXME, documentation added.
	(send): Documentation added.
	* java/net/Socket.java
	(inputShutdown): New variable.
	(outputShutdown): New variable.
	(Socket): Initialize new variables.
	(getRemoteSocketAddress): Check if connected.
	(shutdownInput): Set new variable.
	(shutdownOutput): Set new variable.
	(isConnected): New method.
	(isClosed): New method.
	(isInputShutdown): New method.
	(isOutputShutdown): New method.
	* java/net/URLStreamHandler.java
	(URLStreamHandler): New method.
	(openConnection): Added documentation.
	(parseURL): Added documentation.
	(getHostAddress): New method.
	(getDefaultPort): New method.

From-SVN: r57772
---
 libjava/java/net/DatagramSocket.java | 39 ++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

(limited to 'libjava/java/net/DatagramSocket.java')

diff --git a/libjava/java/net/DatagramSocket.java b/libjava/java/net/DatagramSocket.java
index dfbce3bcf7d..b2f2ca11ce3 100644
--- a/libjava/java/net/DatagramSocket.java
+++ b/libjava/java/net/DatagramSocket.java
@@ -290,20 +290,26 @@ public class DatagramSocket
    * exception will be thrown
    * @exception IllegalBlockingModeException If this socket has an associated
    * channel, and the channel is in non-blocking mode
+   * @exception SecurityException If a security manager exists and its
+   * checkAccept ethod doesn't allow the receive
    */
   public synchronized void receive(DatagramPacket p) throws IOException
   {
-    SecurityManager s = System.getSecurityManager();
-    if (s != null)
-      s.checkAccept (p.getAddress().getHostName (), p.getPort ());
-		 
     if (impl == null)
       throw new IOException ("Cannot initialize Socket implementation");
 
+    if (remoteAddress != null && remoteAddress.isMulticastAddress ())
+      throw new IOException (
+        "Socket connected to a multicast address my not receive");
+
     if (ch != null && !ch.isBlocking ())
       throw new IllegalBlockingModeException ();
 
     impl.receive(p);
+
+    SecurityManager s = System.getSecurityManager();
+    if (s != null && isConnected ())
+      s.checkAccept (p.getAddress().getHostName (), p.getPort ());
   }
 
   /**
@@ -324,7 +330,7 @@ public class DatagramSocket
   {
     // JDK1.2: Don't do security checks if socket is connected; see jdk1.2 api.
     SecurityManager s = System.getSecurityManager();
-    if (s != null)
+    if (s != null && !isConnected ())
       {
         InetAddress addr = p.getAddress();
         if (addr.isMulticastAddress())
@@ -332,6 +338,14 @@ public class DatagramSocket
         else
           s.checkConnect(addr.getHostAddress(), p.getPort());
       }
+
+    if (isConnected ())
+      {
+        if (p.getAddress () != null && (remoteAddress != p.getAddress () ||
+                                        remotePort != p.getPort ()))
+          throw new IllegalArgumentException (
+            "DatagramPacket address does not match remote address" );
+      }
 	    
     // FIXME: if this is a subclass of MulticastSocket,
     // use getTimeToLive for TTL val.
@@ -376,7 +390,20 @@ public class DatagramSocket
   public void connect(InetAddress address, int port)
     throws SocketException
   {
-    //impl.connect(address, port);
+    if (address == null)
+      throw new IllegalArgumentException ("Address may not be null");
+
+    if (port < 1 || port > 65535)
+      throw new IllegalArgumentException ("Port number is illegal");
+
+    SecurityManager s = System.getSecurityManager();
+    if (s != null)
+      s.checkAccept(address.getHostName (), port);
+
+    impl.connect (address, port);
+
+    remoteAddress = address;
+    remotePort = port;
   }
 
   /**
-- 
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