dscho
23 years ago
parent
727b025799
commit
c3e27a155d
Binary file not shown.
@ -0,0 +1,141 @@
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diff -ru vnc_javasrc/OptionsFrame.java proxy_vnc_javasrc/OptionsFrame.java
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--- vnc_javasrc/OptionsFrame.java Fri Jul 5 08:17:23 2002
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+++ proxy_vnc_javasrc/OptionsFrame.java Thu Aug 22 23:24:44 2002
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@@ -70,6 +70,12 @@
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Label[] labels = new Label[names.length];
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Choice[] choices = new Choice[names.length];
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+
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+ Label proxyHostLabel;
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+ TextField proxyHostEdit;
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+ Label proxyPortLabel;
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+ TextField proxyPortEdit;
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+
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Button closeButton;
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VncViewer viewer;
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@@ -93,6 +99,9 @@
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boolean shareDesktop;
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boolean viewOnly;
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+ String proxyHost;
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+ int proxyPort;
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+
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//
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// Constructor. Set up the labels and choices from the names and values
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// arrays.
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@@ -126,6 +135,32 @@
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}
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}
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+ // TODO: find a way to set these to defaults from browser
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+ proxyPort = viewer.readIntParameter("Use Proxy Port", -1);
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+ if(proxyPort>-1) {
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+ proxyHost = viewer.readParameter("Use Proxy Host", false);
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+ if(proxyHost == null)
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+ proxyHost = viewer.host;
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+
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+ proxyHostLabel = new Label("Proxy Host");
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+ gbc.gridwidth = 1;
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+ gridbag.setConstraints(proxyHostLabel,gbc);
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+ add(proxyHostLabel);
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+ proxyHostEdit = new TextField();
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+ gbc.gridwidth = GridBagConstraints.REMAINDER;
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+ gridbag.setConstraints(proxyHostEdit,gbc);
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+ add(proxyHostEdit);
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+
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+ proxyPortLabel = new Label("Proxy Port");
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+ gbc.gridwidth = 1;
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+ gridbag.setConstraints(proxyPortLabel,gbc);
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+ add(proxyPortLabel);
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+ proxyPortEdit = new TextField();
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+ gbc.gridwidth = GridBagConstraints.REMAINDER;
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+ gridbag.setConstraints(proxyPortEdit,gbc);
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+ add(proxyPortEdit);
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+ }
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+
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closeButton = new Button("Close");
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gbc.gridwidth = GridBagConstraints.REMAINDER;
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gridbag.setConstraints(closeButton, gbc);
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@@ -161,6 +196,11 @@
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}
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}
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+ if(proxyPort>-1) {
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+ proxyPortEdit.setText(Integer.toString(proxyPort));
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+ proxyHostEdit.setText(proxyHost);
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+ }
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+
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// Make the booleans and encodings array correspond to the state of the GUI
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setEncodings();
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@@ -361,8 +401,12 @@
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//
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public void actionPerformed(ActionEvent evt) {
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- if (evt.getSource() == closeButton)
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+ if (evt.getSource() == closeButton) {
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setVisible(false);
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+ proxyHost = proxyHostEdit.getText();
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+ proxyPort = Integer.parseInt(proxyPortEdit.getText());
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+ System.err.println("proxy is " + proxyHost + ":" + proxyPort);
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+ }
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}
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//
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diff -ru vnc_javasrc/RfbProto.java proxy_vnc_javasrc/RfbProto.java
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--- vnc_javasrc/RfbProto.java Sun Aug 4 18:39:35 2002
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+++ proxy_vnc_javasrc/RfbProto.java Thu Aug 22 22:53:53 2002
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@@ -119,12 +119,51 @@
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viewer = v;
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host = h;
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port = p;
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- sock = new Socket(host, port);
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+ if(viewer.options.proxyPort>-1)
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+ sock = new Socket(viewer.options.proxyHost, viewer.options.proxyPort);
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+ else
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+ sock = new Socket(host, port);
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is = new DataInputStream(new BufferedInputStream(sock.getInputStream(),
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16384));
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os = sock.getOutputStream();
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+ if(viewer.options.proxyPort>-1)
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+ negotiateProxy(host,port);
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}
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+ // this is inefficient as hell, but only used once per connection
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+ String readLine() {
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+ byte[] ba = new byte[1];
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+ String s = new String("");
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+
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+ ba[0]=0;
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+ try {
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+ while(ba[0] != 0xa) {
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+ ba[0] = (byte)is.readUnsignedByte();
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+ s += new String(ba);
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+ }
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+ } catch(Exception e) {
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+ e.printStackTrace();
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+ }
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+ return s;
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+ }
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+
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+ void negotiateProxy(String realHost,int realPort) throws IOException {
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+ String line;
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+
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+ // this would be the correct way, but we want to trick strict proxies.
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+ // line = "CONNECT " + realHost + ":" + realPort + " HTTP/1.1\r\nHost: " + realHost + ":" + realPort + "\r\n\r\n";
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+ line = "GET " + realHost + ":" + realPort + "/proxied.connection HTTP/1.0\r\nPragma: No-Cache\r\nProxy-Connection: Keep-Alive\r\n\r\n";
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+ os.write(line.getBytes());
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+
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+ line = readLine();
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+ System.err.println("Proxy said: " + line);
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+ if(!(line.substring(0,7)+line.substring(8,12)).equalsIgnoreCase("HTTP/1. 200")) {
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+ IOException e = new IOException(line);
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+ throw e;
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+ }
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+ while(!line.equals("\r\n") && !line.equals("\n"))
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+ line = readLine();
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+ }
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void close() {
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try {
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