http error message

d8298c63 · zzz · 9a089b7d · d8298c63
Commit d8298c63 authored 16 years ago by zzz
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSServerFactory.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSServerFactory.java
@@ -7,6 +7,7 @@
 package net.i2p.i2ptunnel.socks;

 import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
 import java.net.Socket;

@@ -18,6 +19,15 @@ import net.i2p.util.Log;
 public class SOCKSServerFactory {
    private final static Log _log = new Log(SOCKSServerFactory.class);

+    private final static String ERR_REQUEST_DENIED =
+        "HTTP/1.1 403 Access Denied\r\n" +
+        "Content-Type: text/html; charset=iso-8859-1\r\n" +
+        "Cache-control: no-cache\r\n" +
+        "\r\n" +
+        "<html><body><H1>I2P SOCKS PROXY ERROR: REQUEST DENIED</H1>" +
+        "Your browser is misconfigured. This is a SOCKS proxy, not a HTTP proxy" +
+        "</body></html>";
+    
    /**
     * Create a new SOCKS server, using the provided socket (that must
     * be connected to a client) to select the proper SOCKS protocol
@@ -38,6 +48,13 @@ public class SOCKSServerFactory {
                // SOCKS version 5
                serv = new SOCKS5Server(s);
                break;
+            case 'C':
+            case 'G':
+            case 'H':
+            case 'P':
+                DataOutputStream out = new DataOutputStream(s.getOutputStream());
+                out.write(ERR_REQUEST_DENIED.getBytes());
+                throw new SOCKSException("HTTP request to socks");
            default:
                throw new SOCKSException("SOCKS protocol version not supported (" + Integer.toHexString(socksVer) + ")");
            }