source: trunk/vnc/vnc_javasrc/VNCProxyConnectSocket.java @ 91

Last change on this file since 91 was 66, checked in by quentin, 17 years ago

Initial checkin of modified Java VNC viewer for use as remote console

File size: 2.1 KB
Line 
1//
2//  Copyright (C) 2002 Constantin Kaplinsky, Inc.  All Rights Reserved.
3//  Copyright 2007 MIT Student Information Processing Board
4//
5//  This is free software; you can redistribute it and/or modify
6//  it under the terms of the GNU General Public License as published by
7//  the Free Software Foundation; either version 2 of the License, or
8//  (at your option) any later version.
9//
10//  This software is distributed in the hope that it will be useful,
11//  but WITHOUT ANY WARRANTY; without even the implied warranty of
12//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13//  GNU General Public License for more details.
14//
15//  You should have received a copy of the GNU General Public License
16//  along with this software; if not, write to the Free Software
17//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
18//  USA.
19//
20
21//
22// VNCProxySocket.java together with VNCProxySocketFactory.java
23// implement an alternate way to connect to VNC servers via one or two
24// VNCProxy proxies supporting the VNCProxy VNCCONNECT method.
25//
26
27import java.net.*;
28import java.io.*;
29
30class VNCProxyConnectSocket extends Socket {
31
32  public VNCProxyConnectSocket(String host, int port,
33                               String vmname, String authtoken)
34    throws IOException {
35
36    // Connect to the specified HTTP proxy
37    super(host, port);
38
39    // Send the CONNECT request
40    getOutputStream().write(("CONNECTVNC " + vmname +
41                             " VNCProxy/1.0\r\nAuth-token: " + authtoken +
42                             "\r\n\r\n").getBytes());
43
44    // Read the first line of the response
45    DataInputStream is = new DataInputStream(getInputStream());
46    String str = is.readLine();
47
48    // Check the HTTP error code -- it should be "200" on success
49    if (!str.startsWith("VNCProxy/1.0 200 ")) {
50      if (str.startsWith("VNCProxy/1.0 "))
51        str = str.substring(13);
52      throw new IOException("Proxy reports \"" + str + "\"");
53    }
54
55    // Success -- skip remaining HTTP headers
56    do {
57      str = is.readLine();
58    } while (str.length() != 0);
59  }
60}
61
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