1 files changed, 109 insertions, 0 deletions
diff --git a/app/src/main/java/net/sourceforge/jsocks/ProxyMessage.java b/app/src/main/java/net/sourceforge/jsocks/ProxyMessage.java
new file mode 100644
index 0000000..442c380
--- /dev/null
+++ b/app/src/main/java/net/sourceforge/jsocks/ProxyMessage.java
@@ -0,0 +1,109 @@
+package net.sourceforge.jsocks;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ Abstract class which describes SOCKS4/5 response/request.
+*/
+public abstract class ProxyMessage{
+   /** Host as an IP address */
+   public InetAddress ip=null;
+   /** SOCKS version, or version of the response for SOCKS4*/
+   public int version;
+   /** Port field of the request/response*/
+   public int port;
+   /** Request/response code as an int*/
+   public int command;
+   /** Host as string.*/
+   public String host=null;
+   /** User field for SOCKS4 request messages*/
+   public String user=null;
+
+   ProxyMessage(int command,InetAddress ip,int port){
+      this.command = command;
+      this.ip      = ip;
+      this.port    = port;
+   }
+
+   ProxyMessage(){
+   }
+
+
+   /**
+     Initialises Message from the stream. Reads server response from
+     given stream.
+     @param in Input stream to read response from.
+     @throws SocksException If server response code is not SOCKS_SUCCESS(0), or
+     if any error with protocol occurs.
+     @throws IOException If any error happens with I/O.
+   */
+   public abstract void read(InputStream in)
+                                    throws SocksException,
+                                           IOException;
+
+
+   /**
+     Initialises Message from the stream. Reads server response or client 
+     request from given stream.
+     
+     @param in Input stream to read response from.
+     @param clinetMode If true read server response, else read client request.
+     @throws SocksException If server response code is not SOCKS_SUCCESS(0) and
+     reading in client mode, or if any error with protocol occurs.
+     @throws IOException If any error happens with I/O.
+   */
+   public abstract void read(InputStream in,boolean client_mode)
+                                    throws SocksException,
+                                           IOException;
+
+
+   /**
+    Writes the message to the stream.
+    @param out Output stream to which message should be written.
+   */
+   public abstract void write(OutputStream out)throws SocksException,
+                                             IOException;
+
+   /**
+    Get the Address field of this message as InetAddress object.
+    @return Host address or null, if one can't be determined.
+   */
+   public InetAddress getInetAddress() throws UnknownHostException{
+     return ip;
+   }
+
+
+   /**
+    Get string representaion of this message.
+    @return string representation of this message.
+   */
+   public String toString(){
+      return 
+      "Proxy Message:\n"+
+      "Version:"+ version+"\n"+
+      "Command:"+ command+"\n"+
+      "IP:     "+ ip+"\n"+
+      "Port:   "+ port+"\n"+
+      "User:   "+ user+"\n" ;
+   }
+
+//Package methods
+//////////////////
+
+   static final String bytes2IPV4(byte[] addr,int offset){
+      String hostName = ""+(addr[offset] & 0xFF);
+      for(int i = offset+1;i<offset+4;++i)
+        hostName+="."+(addr[i] & 0xFF);
+      return hostName;
+   }
+
+   static final String bytes2IPV6(byte[] addr,int offset){
+     //Have no idea how they look like!
+     return null;
+   }
+
+}