source: trunk/vnc/vnc_javasrc/VNCProxyConnectSocket.java @ 105

Last change on this file since 105 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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