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1661 lines
44 KiB
1661 lines
44 KiB
diff -x VncCanvas.java -Naur vnc_javasrc.orig/Makefile vnc_javasrc/Makefile
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--- vnc_javasrc.orig/Makefile 2004-03-04 08:34:25.000000000 -0500
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+++ vnc_javasrc/Makefile 2006-03-26 17:29:25.000000000 -0500
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@@ -15,25 +15,29 @@
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DesCipher.class CapabilityInfo.class CapsContainer.class \
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RecordingFrame.class SessionRecorder.class AuthUnixLoginPanel.class \
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SocketFactory.class HTTPConnectSocketFactory.class \
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- HTTPConnectSocket.class ReloginPanel.class
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+ HTTPConnectSocket.class ReloginPanel.class \
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+ SSLSocketToMe.class
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+
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+SSL_CLASSES = SSLSocketToMe*.class TrustDialog.class
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SOURCES = VncViewer.java RfbProto.java AuthPanel.java VncCanvas.java \
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OptionsFrame.java ClipboardFrame.java ButtonPanel.java \
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DesCipher.java CapabilityInfo.java CapsContainer.java \
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RecordingFrame.java SessionRecorder.java AuthUnixLoginPanel.java \
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SocketFactory.java HTTPConnectSocketFactory.java \
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- HTTPConnectSocket.java ReloginPanel.java
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+ HTTPConnectSocket.java ReloginPanel.java \
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+ SSLSocketToMe.java
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all: $(CLASSES) $(ARCHIVE)
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$(CLASSES): $(SOURCES)
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- $(JC) -target 1.1 -O $(SOURCES)
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+ $(JC) -target 1.4 -O $(SOURCES)
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$(ARCHIVE): $(CLASSES) $(MANIFEST)
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- $(JAR) cfm $(ARCHIVE) $(MANIFEST) $(CLASSES)
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+ $(JAR) cfm $(ARCHIVE) $(MANIFEST) $(CLASSES) $(SSL_CLASSES)
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install: $(CLASSES) $(ARCHIVE)
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- $(CP) $(CLASSES) $(ARCHIVE) $(PAGES) $(INSTALL_DIR)
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+ $(CP) $(CLASSES) $(SSL_CLASSES) $(ARCHIVE) $(PAGES) $(INSTALL_DIR)
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export:: $(CLASSES) $(ARCHIVE) $(PAGES)
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@$(ExportJavaClasses)
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diff -x VncCanvas.java -Naur vnc_javasrc.orig/RfbProto.java vnc_javasrc/RfbProto.java
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--- vnc_javasrc.orig/RfbProto.java 2004-03-04 08:34:25.000000000 -0500
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+++ vnc_javasrc/RfbProto.java 2006-04-16 11:17:37.000000000 -0400
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@@ -199,7 +199,21 @@
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host = h;
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port = p;
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- if (viewer.socketFactory == null) {
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+ if (! viewer.disableSSL) {
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+ System.out.println("new SSLSocketToMe");
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+ SSLSocketToMe ssl;
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+ try {
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+ ssl = new SSLSocketToMe(host, port, v);
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+ } catch (Exception e) {
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+ throw new IOException(e.getMessage());
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+ }
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+
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+ try {
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+ sock = ssl.connectSock();
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+ } catch (Exception es) {
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+ throw new IOException(es.getMessage());
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+ }
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+ } else if (viewer.socketFactory == null) {
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sock = new Socket(host, port);
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} else {
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try {
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@@ -255,7 +269,7 @@
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|| (b[10] < '0') || (b[10] > '9') || (b[11] != '\n'))
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{
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throw new Exception("Host " + host + " port " + port +
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- " is not an RFB server");
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+ " is not an RFB server: " + b);
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}
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serverMajor = (b[4] - '0') * 100 + (b[5] - '0') * 10 + (b[6] - '0');
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diff -x VncCanvas.java -Naur vnc_javasrc.orig/SSLSocketToMe.java vnc_javasrc/SSLSocketToMe.java
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--- vnc_javasrc.orig/SSLSocketToMe.java 1969-12-31 19:00:00.000000000 -0500
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+++ vnc_javasrc/SSLSocketToMe.java 2008-04-15 12:54:51.000000000 -0400
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@@ -0,0 +1,1456 @@
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+/*
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+ * SSLSocketToMe.java: add SSL encryption to Java VNC Viewer.
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+ *
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+ * Copyright (c) 2006 Karl J. Runge <runge@karlrunge.com>
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+ * All rights reserved.
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+ *
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+ * This is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; version 2 of the License.
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+ *
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+ * This software is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this software; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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+ * USA.
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+ *
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+ */
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+
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+import java.net.*;
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+import java.io.*;
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+import javax.net.ssl.*;
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+import java.util.*;
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+
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+import java.security.*;
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+import java.security.cert.*;
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+import java.security.spec.*;
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+import java.security.cert.Certificate;
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+import java.security.cert.CertificateFactory;
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+
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+import java.awt.*;
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+import java.awt.event.*;
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+
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+public class SSLSocketToMe {
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+
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+ /* basic member data: */
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+ String host;
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+ int port;
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+ VncViewer viewer;
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+ boolean debug = true;
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+
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+ /* sockets */
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+ SSLSocket socket = null;
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+ SSLSocketFactory factory;
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+
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+ /* fallback for Proxy connection */
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+ boolean proxy_in_use = false;
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+ boolean proxy_is_https = false;
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+ boolean proxy_failure = false;
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+ public DataInputStream is = null;
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+ public OutputStream os = null;
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+
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+ String proxy_dialog_host = null;
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+ int proxy_dialog_port = 0;
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+
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+ Socket proxySock;
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+ DataInputStream proxy_is;
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+ OutputStream proxy_os;
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+
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+ /* trust contexts */
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+ SSLContext trustloc_ctx;
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+ SSLContext trustall_ctx;
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+ SSLContext trusturl_ctx;
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+ SSLContext trustone_ctx;
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+
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+ TrustManager[] trustAllCerts;
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+ TrustManager[] trustUrlCert;
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+ TrustManager[] trustOneCert;
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+
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+ boolean use_url_cert_for_auth = true;
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+ boolean user_wants_to_see_cert = true;
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+
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+ /* cert(s) we retrieve from VNC server */
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+ java.security.cert.Certificate[] trustallCerts = null;
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+ java.security.cert.Certificate[] trusturlCerts = null;
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+
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+ byte[] hex2bytes(String s) {
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+ byte[] bytes = new byte[s.length()/2];
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+ for (int i=0; i<s.length()/2; i++) {
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+ int j = 2*i;
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+ try {
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+ int val = Integer.parseInt(s.substring(j, j+2), 16);
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+ if (val > 127) {
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+ val -= 256;
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+ }
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+ Integer I = new Integer(val);
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+ bytes[i] = Byte.decode(I.toString()).byteValue();
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+
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+ } catch (Exception e) {
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+ ;
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+ }
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+ }
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+ return bytes;
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+ }
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+
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+ SSLSocketToMe(String h, int p, VncViewer v) throws Exception {
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+ host = h;
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+ port = p;
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+ viewer = v;
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+
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+ /* we will first try default factory for certification: */
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+
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+ factory = (SSLSocketFactory) SSLSocketFactory.getDefault();
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+
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+ dbg("SSL startup: " + host + " " + port);
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+
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+ /* create trust managers used if initial handshake fails: */
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+
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+ trustAllCerts = new TrustManager[] {
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+ /*
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+ * this one accepts everything.
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+ */
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+ new X509TrustManager() {
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+ public java.security.cert.X509Certificate[]
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+ getAcceptedIssuers() {
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+ return null;
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+ }
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+ public void checkClientTrusted(
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+ java.security.cert.X509Certificate[] certs,
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+ String authType) {
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+ /* empty */
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+ }
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+ public void checkServerTrusted(
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+ java.security.cert.X509Certificate[] certs,
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+ String authType) {
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+ /* empty */
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+ dbg("ALL: an untrusted connect to grab cert.");
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+ }
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+ }
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+ };
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+
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+ trustUrlCert = new TrustManager[] {
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+ /*
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+ * this one accepts only the retrieved server cert
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+ * by SSLSocket by this applet.
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+ */
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+ new X509TrustManager() {
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+ public java.security.cert.X509Certificate[]
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+ getAcceptedIssuers() {
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+ return null;
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+ }
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+ public void checkClientTrusted(
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+ java.security.cert.X509Certificate[] certs,
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+ String authType) throws CertificateException {
|
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+ throw new CertificateException("No Clients");
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|
+ }
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+ public void checkServerTrusted(
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+ java.security.cert.X509Certificate[] certs,
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+ String authType) throws CertificateException {
|
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+ if (trusturlCerts == null) {
|
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+ throw new CertificateException(
|
|
+ "No Trust url Certs array.");
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|
+ }
|
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+ if (trusturlCerts.length < 1) {
|
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+ throw new CertificateException(
|
|
+ "No Trust url Certs.");
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+ }
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+ if (trusturlCerts.length > 1) {
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+ int i;
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+ boolean ok = true;
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+ for (i = 0; i < trusturlCerts.length - 1; i++) {
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+ if (! trusturlCerts[i].equals(trusturlCerts[i+1])) {
|
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+ ok = false;
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+ }
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+ }
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+ if (! ok) {
|
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+ throw new CertificateException(
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+ "Too many Trust url Certs: "
|
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+ + trusturlCerts.length
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+ );
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+ }
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+ }
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+ if (certs == null) {
|
|
+ throw new CertificateException(
|
|
+ "No this-certs array.");
|
|
+ }
|
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+ if (certs.length < 1) {
|
|
+ throw new CertificateException(
|
|
+ "No this-certs Certs.");
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|
+ }
|
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+ if (certs.length > 1) {
|
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+ int i;
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+ boolean ok = true;
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+ for (i = 0; i < certs.length - 1; i++) {
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+ if (! certs[i].equals(certs[i+1])) {
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+ ok = false;
|
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+ }
|
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+ }
|
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+ if (! ok) {
|
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+ throw new CertificateException(
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+ "Too many this-certs: "
|
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+ + certs.length
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+ );
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+ }
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+ }
|
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+ if (! trusturlCerts[0].equals(certs[0])) {
|
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+ throw new CertificateException(
|
|
+ "Server Cert Changed != URL.");
|
|
+ }
|
|
+ dbg("URL: trusturlCerts[0] matches certs[0]");
|
|
+ }
|
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+ }
|
|
+ };
|
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+ trustOneCert = new TrustManager[] {
|
|
+ /*
|
|
+ * this one accepts only the retrieved server cert
|
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+ * by SSLSocket by this applet.
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+ */
|
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+ new X509TrustManager() {
|
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+ public java.security.cert.X509Certificate[]
|
|
+ getAcceptedIssuers() {
|
|
+ return null;
|
|
+ }
|
|
+ public void checkClientTrusted(
|
|
+ java.security.cert.X509Certificate[] certs,
|
|
+ String authType) throws CertificateException {
|
|
+ throw new CertificateException("No Clients");
|
|
+ }
|
|
+ public void checkServerTrusted(
|
|
+ java.security.cert.X509Certificate[] certs,
|
|
+ String authType) throws CertificateException {
|
|
+ if (trustallCerts == null) {
|
|
+ throw new CertificateException(
|
|
+ "No Trust All Server Certs array.");
|
|
+ }
|
|
+ if (trustallCerts.length < 1) {
|
|
+ throw new CertificateException(
|
|
+ "No Trust All Server Certs.");
|
|
+ }
|
|
+ if (trustallCerts.length > 1) {
|
|
+ int i;
|
|
+ boolean ok = true;
|
|
+ for (i = 0; i < trustallCerts.length - 1; i++) {
|
|
+ if (! trustallCerts[i].equals(trustallCerts[i+1])) {
|
|
+ ok = false;
|
|
+ }
|
|
+ }
|
|
+ if (! ok) {
|
|
+ throw new CertificateException(
|
|
+ "Too many Trust All Server Certs: "
|
|
+ + trustallCerts.length
|
|
+ );
|
|
+ }
|
|
+ }
|
|
+ if (certs == null) {
|
|
+ throw new CertificateException(
|
|
+ "No this-certs array.");
|
|
+ }
|
|
+ if (certs.length < 1) {
|
|
+ throw new CertificateException(
|
|
+ "No this-certs Certs.");
|
|
+ }
|
|
+ if (certs.length > 1) {
|
|
+ int i;
|
|
+ boolean ok = true;
|
|
+ for (i = 0; i < certs.length - 1; i++) {
|
|
+ if (! certs[i].equals(certs[i+1])) {
|
|
+ ok = false;
|
|
+ }
|
|
+ }
|
|
+ if (! ok) {
|
|
+ throw new CertificateException(
|
|
+ "Too many this-certs: "
|
|
+ + certs.length
|
|
+ );
|
|
+ }
|
|
+ }
|
|
+ if (! trustallCerts[0].equals(certs[0])) {
|
|
+ throw new CertificateException(
|
|
+ "Server Cert Changed != TRUSTALL.");
|
|
+ }
|
|
+ dbg("ONE: trustallCerts[0] matches certs[0]");
|
|
+ }
|
|
+ }
|
|
+ };
|
|
+
|
|
+ /*
|
|
+ * They are used:
|
|
+ *
|
|
+ * 1) to retrieve the server cert in case of failure to
|
|
+ * display it to the user.
|
|
+ * 2) to subsequently connect to the server if user agrees.
|
|
+ */
|
|
+
|
|
+ KeyManager[] mykey = null;
|
|
+
|
|
+ if (viewer.oneTimeKey != null && viewer.oneTimeKey.equals("PROMPT")) {
|
|
+ ClientCertDialog d = new ClientCertDialog();
|
|
+ viewer.oneTimeKey = d.queryUser();
|
|
+ }
|
|
+
|
|
+ if (viewer.oneTimeKey != null && viewer.oneTimeKey.indexOf(",") > 0) {
|
|
+ int idx = viewer.oneTimeKey.indexOf(",");
|
|
+
|
|
+ String onetimekey = viewer.oneTimeKey.substring(0, idx);
|
|
+ byte[] key = hex2bytes(onetimekey);
|
|
+ String onetimecert = viewer.oneTimeKey.substring(idx+1);
|
|
+ byte[] cert = hex2bytes(onetimecert);
|
|
+
|
|
+ KeyFactory kf = KeyFactory.getInstance("RSA");
|
|
+ PKCS8EncodedKeySpec keysp = new PKCS8EncodedKeySpec ( key );
|
|
+ PrivateKey ff = kf.generatePrivate (keysp);
|
|
+ //dbg("ff " + ff);
|
|
+ String cert_str = new String(cert);
|
|
+
|
|
+ CertificateFactory cf = CertificateFactory.getInstance("X.509");
|
|
+ Collection c = cf.generateCertificates(new ByteArrayInputStream(cert));
|
|
+ Certificate[] certs = new Certificate[c.toArray().length];
|
|
+ if (c.size() == 1) {
|
|
+ Certificate tmpcert = cf.generateCertificate(new ByteArrayInputStream(cert));
|
|
+ //dbg("tmpcert" + tmpcert);
|
|
+ certs[0] = tmpcert;
|
|
+ } else {
|
|
+ certs = (Certificate[]) c.toArray();
|
|
+ }
|
|
+
|
|
+ KeyStore ks = KeyStore.getInstance("JKS");
|
|
+ ks.load(null, null);
|
|
+ ks.setKeyEntry("onetimekey", ff, "".toCharArray(), certs);
|
|
+ String da = KeyManagerFactory.getDefaultAlgorithm();
|
|
+ KeyManagerFactory kmf = KeyManagerFactory.getInstance(da);
|
|
+ kmf.init(ks, "".toCharArray());
|
|
+
|
|
+ mykey = kmf.getKeyManagers();
|
|
+ }
|
|
+
|
|
+
|
|
+ /* trust loc certs: */
|
|
+ try {
|
|
+ trustloc_ctx = SSLContext.getInstance("SSL");
|
|
+ trustloc_ctx.init(mykey, null, new
|
|
+ java.security.SecureRandom());
|
|
+
|
|
+ } catch (Exception e) {
|
|
+ String msg = "SSL trustloc_ctx FAILED.";
|
|
+ dbg(msg);
|
|
+ throw new Exception(msg);
|
|
+ }
|
|
+
|
|
+ /* trust all certs: */
|
|
+ try {
|
|
+ trustall_ctx = SSLContext.getInstance("SSL");
|
|
+ trustall_ctx.init(mykey, trustAllCerts, new
|
|
+ java.security.SecureRandom());
|
|
+
|
|
+ } catch (Exception e) {
|
|
+ String msg = "SSL trustall_ctx FAILED.";
|
|
+ dbg(msg);
|
|
+ throw new Exception(msg);
|
|
+ }
|
|
+
|
|
+ /* trust url certs: */
|
|
+ try {
|
|
+ trusturl_ctx = SSLContext.getInstance("SSL");
|
|
+ trusturl_ctx.init(mykey, trustUrlCert, new
|
|
+ java.security.SecureRandom());
|
|
+
|
|
+ } catch (Exception e) {
|
|
+ String msg = "SSL trusturl_ctx FAILED.";
|
|
+ dbg(msg);
|
|
+ throw new Exception(msg);
|
|
+ }
|
|
+
|
|
+ /* trust the one cert from server: */
|
|
+ try {
|
|
+ trustone_ctx = SSLContext.getInstance("SSL");
|
|
+ trustone_ctx.init(mykey, trustOneCert, new
|
|
+ java.security.SecureRandom());
|
|
+
|
|
+ } catch (Exception e) {
|
|
+ String msg = "SSL trustone_ctx FAILED.";
|
|
+ dbg(msg);
|
|
+ throw new Exception(msg);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ boolean browser_cert_match() {
|
|
+ String msg = "Browser URL accept previously accepted cert";
|
|
+
|
|
+ if (user_wants_to_see_cert) {
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (trustallCerts != null && trusturlCerts != null) {
|
|
+ if (trustallCerts.length == 1 && trusturlCerts.length == 1) {
|
|
+ if (trustallCerts[0].equals(trusturlCerts[0])) {
|
|
+ System.out.println(msg);
|
|
+ return true;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ public void check_for_proxy() {
|
|
+
|
|
+ boolean result = false;
|
|
+
|
|
+ trusturlCerts = null;
|
|
+ proxy_in_use = false;
|
|
+ if (viewer.ignoreProxy) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ String ustr = "https://" + host + ":";
|
|
+ if (viewer.httpsPort != null) {
|
|
+ ustr += viewer.httpsPort;
|
|
+ } else {
|
|
+ ustr += port; // hmmm
|
|
+ }
|
|
+ ustr += viewer.urlPrefix + "/check.https.proxy.connection";
|
|
+ dbg("ustr is: " + ustr);
|
|
+
|
|
+
|
|
+ try {
|
|
+ URL url = new URL(ustr);
|
|
+ HttpsURLConnection https = (HttpsURLConnection)
|
|
+ url.openConnection();
|
|
+
|
|
+ https.setUseCaches(false);
|
|
+ https.setRequestMethod("GET");
|
|
+ https.setRequestProperty("Pragma", "No-Cache");
|
|
+ https.setRequestProperty("Proxy-Connection",
|
|
+ "Keep-Alive");
|
|
+ https.setDoInput(true);
|
|
+
|
|
+ https.connect();
|
|
+
|
|
+ trusturlCerts = https.getServerCertificates();
|
|
+ if (trusturlCerts == null) {
|
|
+ dbg("set trusturlCerts to null...");
|
|
+ } else {
|
|
+ dbg("set trusturlCerts to non-null");
|
|
+ }
|
|
+
|
|
+ if (https.usingProxy()) {
|
|
+ proxy_in_use = true;
|
|
+ proxy_is_https = true;
|
|
+ dbg("HTTPS proxy in use. There may be connection problems.");
|
|
+ }
|
|
+ Object output = https.getContent();
|
|
+ https.disconnect();
|
|
+ result = true;
|
|
+
|
|
+ } catch(Exception e) {
|
|
+ dbg("HttpsURLConnection: " + e.getMessage());
|
|
+ }
|
|
+
|
|
+ if (proxy_in_use) {
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ ustr = "http://" + host + ":" + port;
|
|
+ ustr += viewer.urlPrefix + "/index.vnc";
|
|
+
|
|
+ try {
|
|
+ URL url = new URL(ustr);
|
|
+ HttpURLConnection http = (HttpURLConnection)
|
|
+ url.openConnection();
|
|
+
|
|
+ http.setUseCaches(false);
|
|
+ http.setRequestMethod("GET");
|
|
+ http.setRequestProperty("Pragma", "No-Cache");
|
|
+ http.setRequestProperty("Proxy-Connection",
|
|
+ "Keep-Alive");
|
|
+ http.setDoInput(true);
|
|
+
|
|
+ http.connect();
|
|
+
|
|
+ if (http.usingProxy()) {
|
|
+ proxy_in_use = true;
|
|
+ proxy_is_https = false;
|
|
+ dbg("HTTP proxy in use. There may be connection problems.");
|
|
+ }
|
|
+ Object output = http.getContent();
|
|
+ http.disconnect();
|
|
+
|
|
+ } catch(Exception e) {
|
|
+ dbg("HttpURLConnection: " + e.getMessage());
|
|
+ }
|
|
+ }
|
|
+
|
|
+ public Socket connectSock() throws IOException {
|
|
+
|
|
+ /*
|
|
+ * first try a https connection to detect a proxy, and
|
|
+ * also grab the VNC server cert.
|
|
+ */
|
|
+ check_for_proxy();
|
|
+
|
|
+ if (viewer.trustAllVncCerts) {
|
|
+ dbg("viewer.trustAllVncCerts-0 using trustall_ctx");
|
|
+ factory = trustall_ctx.getSocketFactory();
|
|
+ } else if (use_url_cert_for_auth && trusturlCerts != null) {
|
|
+ dbg("using trusturl_ctx");
|
|
+ factory = trusturl_ctx.getSocketFactory();
|
|
+ } else {
|
|
+ dbg("using trustloc_ctx");
|
|
+ factory = trustloc_ctx.getSocketFactory();
|
|
+ }
|
|
+
|
|
+ socket = null;
|
|
+ try {
|
|
+ if (proxy_in_use && viewer.forceProxy) {
|
|
+ throw new Exception("forcing proxy (forceProxy)");
|
|
+ } else if (viewer.CONNECT != null) {
|
|
+ throw new Exception("forcing CONNECT");
|
|
+ }
|
|
+
|
|
+ int timeout = 6;
|
|
+ if (timeout > 0) {
|
|
+ socket = (SSLSocket) factory.createSocket();
|
|
+ InetSocketAddress inetaddr = new InetSocketAddress(host, port);
|
|
+ dbg("Using timeout of " + timeout + " secs to: " + host + ":" + port);
|
|
+ socket.connect(inetaddr, timeout * 1000);
|
|
+ } else {
|
|
+ socket = (SSLSocket) factory.createSocket(host, port);
|
|
+ }
|
|
+
|
|
+ } catch (Exception esock) {
|
|
+ dbg("esock: " + esock.getMessage());
|
|
+ if (proxy_in_use || viewer.CONNECT != null) {
|
|
+ proxy_failure = true;
|
|
+ if (proxy_in_use) {
|
|
+ dbg("HTTPS proxy in use. Trying to go with it.");
|
|
+ } else {
|
|
+ dbg("viewer.CONNECT reverse proxy in use. Trying to go with it.");
|
|
+ }
|
|
+ try {
|
|
+ socket = proxy_socket(factory);
|
|
+ } catch (Exception e) {
|
|
+ dbg("err proxy_socket: " + e.getMessage());
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ try {
|
|
+ socket.startHandshake();
|
|
+ dbg("Server Connection Verified on 1st try.");
|
|
+
|
|
+ java.security.cert.Certificate[] currentTrustedCerts;
|
|
+ BrowserCertsDialog bcd;
|
|
+
|
|
+ SSLSession sess = socket.getSession();
|
|
+ currentTrustedCerts = sess.getPeerCertificates();
|
|
+
|
|
+ if (viewer.trustAllVncCerts) {
|
|
+ dbg("viewer.trustAllVncCerts-1");
|
|
+ } else if (currentTrustedCerts == null || currentTrustedCerts.length < 1) {
|
|
+ socket.close();
|
|
+ socket = null;
|
|
+ throw new SSLHandshakeException("no current certs");
|
|
+ }
|
|
+
|
|
+ String serv = "";
|
|
+ try {
|
|
+ CertInfo ci = new CertInfo(currentTrustedCerts[0]);
|
|
+ serv = ci.get_certinfo("CN");
|
|
+ } catch (Exception e) {
|
|
+ ;
|
|
+ }
|
|
+
|
|
+ if (viewer.trustAllVncCerts) {
|
|
+ dbg("viewer.trustAllVncCerts-2");
|
|
+ user_wants_to_see_cert = false;
|
|
+ } else if (viewer.trustUrlVncCert) {
|
|
+ dbg("viewer.trustUrlVncCert-1");
|
|
+ user_wants_to_see_cert = false;
|
|
+ } else {
|
|
+ bcd = new BrowserCertsDialog(serv, host + ":" + port);
|
|
+ dbg("bcd START");
|
|
+ bcd.queryUser();
|
|
+ dbg("bcd DONE");
|
|
+ if (bcd.showCertDialog) {
|
|
+ String msg = "user wants to see cert";
|
|
+ dbg(msg);
|
|
+ user_wants_to_see_cert = true;
|
|
+ throw new SSLHandshakeException(msg);
|
|
+ } else {
|
|
+ user_wants_to_see_cert = false;
|
|
+ dbg("bcd: user said yes, accept it");
|
|
+ }
|
|
+ }
|
|
+
|
|
+ } catch (SSLHandshakeException eh) {
|
|
+ dbg("Could not automatically verify Server.");
|
|
+ dbg("msg: " + eh.getMessage());
|
|
+
|
|
+ socket.close();
|
|
+ socket = null;
|
|
+
|
|
+ /*
|
|
+ * Reconnect, trusting any cert, so we can grab
|
|
+ * the cert to show it to the user. The connection
|
|
+ * is not used for anything else.
|
|
+ */
|
|
+ factory = trustall_ctx.getSocketFactory();
|
|
+ if (proxy_failure) {
|
|
+ socket = proxy_socket(factory);
|
|
+ } else {
|
|
+ socket = (SSLSocket) factory.createSocket(host, port);
|
|
+ }
|
|
+
|
|
+ try {
|
|
+ socket.startHandshake();
|
|
+ dbg("TrustAll Server Connection Verified.");
|
|
+
|
|
+ /* grab the cert: */
|
|
+ try {
|
|
+ SSLSession sess = socket.getSession();
|
|
+ trustallCerts = sess.getPeerCertificates();
|
|
+ } catch (Exception e) {
|
|
+ throw new Exception("Could not get " +
|
|
+ "Peer Certificate");
|
|
+ }
|
|
+
|
|
+ if (viewer.trustAllVncCerts) {
|
|
+ dbg("viewer.trustAllVncCerts-3");
|
|
+ } else if (! browser_cert_match()) {
|
|
+ /*
|
|
+ * close socket now, we will reopen after
|
|
+ * dialog if user agrees to use the cert.
|
|
+ */
|
|
+ socket.close();
|
|
+ socket = null;
|
|
+
|
|
+ /* dialog with user to accept cert or not: */
|
|
+
|
|
+ TrustDialog td= new TrustDialog(host, port,
|
|
+ trustallCerts);
|
|
+
|
|
+ if (! td.queryUser()) {
|
|
+ String msg = "User decided against it.";
|
|
+ dbg(msg);
|
|
+ throw new IOException(msg);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ } catch (Exception ehand2) {
|
|
+ dbg("** Could not TrustAll Verify Server.");
|
|
+
|
|
+ throw new IOException(ehand2.getMessage());
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Now connect a 3rd time, using the cert
|
|
+ * retrieved during connection 2 (that the user
|
|
+ * likely blindly agreed to).
|
|
+ */
|
|
+
|
|
+ factory = trustone_ctx.getSocketFactory();
|
|
+ if (proxy_failure) {
|
|
+ socket = proxy_socket(factory);
|
|
+ } else {
|
|
+ socket = (SSLSocket) factory.createSocket(host, port);
|
|
+ }
|
|
+
|
|
+ try {
|
|
+ socket.startHandshake();
|
|
+ dbg("TrustAll Server Connection Verified #3.");
|
|
+
|
|
+ } catch (Exception ehand3) {
|
|
+ dbg("** Could not TrustAll Verify Server #3.");
|
|
+
|
|
+ throw new IOException(ehand3.getMessage());
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (socket != null && viewer.GET) {
|
|
+ String str = "GET ";
|
|
+ str += viewer.urlPrefix;
|
|
+ str += "/request.https.vnc.connection";
|
|
+ str += " HTTP/1.0\r\n";
|
|
+ str += "Pragma: No-Cache\r\n";
|
|
+ str += "\r\n";
|
|
+ System.out.println("sending GET: " + str);
|
|
+ OutputStream os = socket.getOutputStream();
|
|
+ String type = "os";
|
|
+ if (type == "os") {
|
|
+ os.write(str.getBytes());
|
|
+ os.flush();
|
|
+ System.out.println("used OutputStream");
|
|
+ } else if (type == "bs") {
|
|
+ BufferedOutputStream bs = new BufferedOutputStream(os);
|
|
+ bs.write(str.getBytes());
|
|
+ bs.flush();
|
|
+ System.out.println("used BufferedOutputStream");
|
|
+ } else if (type == "ds") {
|
|
+ DataOutputStream ds = new DataOutputStream(os);
|
|
+ ds.write(str.getBytes());
|
|
+ ds.flush();
|
|
+ System.out.println("used DataOutputStream");
|
|
+ }
|
|
+ if (false) {
|
|
+ String rep = "";
|
|
+ DataInputStream is = new DataInputStream(
|
|
+ new BufferedInputStream(socket.getInputStream(), 16384));
|
|
+ while (true) {
|
|
+ rep += readline(is);
|
|
+ if (rep.indexOf("\r\n\r\n") >= 0) {
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ System.out.println("rep: " + rep);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ dbg("SSL returning socket to caller.");
|
|
+ return (Socket) socket;
|
|
+ }
|
|
+
|
|
+ private void dbg(String s) {
|
|
+ if (debug) {
|
|
+ System.out.println(s);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ private int gint(String s) {
|
|
+ int n = -1;
|
|
+ try {
|
|
+ Integer I = new Integer(s);
|
|
+ n = I.intValue();
|
|
+ } catch (Exception ex) {
|
|
+ return -1;
|
|
+ }
|
|
+ return n;
|
|
+ }
|
|
+
|
|
+ public SSLSocket proxy_socket(SSLSocketFactory factory) {
|
|
+ Properties props = null;
|
|
+ String proxyHost = null;
|
|
+ int proxyPort = 0;
|
|
+ String proxyHost_nossl = null;
|
|
+ int proxyPort_nossl = 0;
|
|
+ String str;
|
|
+
|
|
+ /* see if we can guess the proxy info from Properties: */
|
|
+ try {
|
|
+ props = System.getProperties();
|
|
+ } catch (Exception e) {
|
|
+ dbg("props failed: " + e.getMessage());
|
|
+ }
|
|
+ if (props != null) {
|
|
+ dbg("\n---------------\nAll props:");
|
|
+ props.list(System.out);
|
|
+ dbg("\n---------------\n\n");
|
|
+
|
|
+ for (Enumeration e = props.propertyNames(); e.hasMoreElements(); ) {
|
|
+ String s = (String) e.nextElement();
|
|
+ String v = System.getProperty(s);
|
|
+ String s2 = s.toLowerCase();
|
|
+ String v2 = v.toLowerCase();
|
|
+
|
|
+ if (s2.indexOf("proxy") < 0 && v2.indexOf("proxy") < 0) {
|
|
+ continue;
|
|
+ }
|
|
+ if (v2.indexOf("http") < 0) {
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ if (s2.indexOf("proxy.https.host") >= 0) {
|
|
+ proxyHost = v2;
|
|
+ continue;
|
|
+ }
|
|
+ if (s2.indexOf("proxy.https.port") >= 0) {
|
|
+ proxyPort = gint(v2);
|
|
+ continue;
|
|
+ }
|
|
+ if (s2.indexOf("proxy.http.host") >= 0) {
|
|
+ proxyHost_nossl = v2;
|
|
+ continue;
|
|
+ }
|
|
+ if (s2.indexOf("proxy.http.port") >= 0) {
|
|
+ proxyPort_nossl = gint(v2);
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ String[] pieces = v.split("[,;]");
|
|
+ for (int i = 0; i < pieces.length; i++) {
|
|
+ String p = pieces[i];
|
|
+ int j = p.indexOf("https");
|
|
+ if (j < 0) {
|
|
+ j = p.indexOf("http");
|
|
+ if (j < 0) {
|
|
+ continue;
|
|
+ }
|
|
+ }
|
|
+ j = p.indexOf("=", j);
|
|
+ if (j < 0) {
|
|
+ continue;
|
|
+ }
|
|
+ p = p.substring(j+1);
|
|
+ String [] hp = p.split(":");
|
|
+ if (hp.length != 2) {
|
|
+ continue;
|
|
+ }
|
|
+ if (hp[0].length() > 1 && hp[1].length() > 1) {
|
|
+
|
|
+ proxyPort = gint(hp[1]);
|
|
+ if (proxyPort < 0) {
|
|
+ continue;
|
|
+ }
|
|
+ proxyHost = new String(hp[0]);
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ if (proxyHost != null) {
|
|
+ if (proxyHost_nossl != null && proxyPort_nossl > 0) {
|
|
+ dbg("Using http proxy info instead of https.");
|
|
+ proxyHost = proxyHost_nossl;
|
|
+ proxyPort = proxyPort_nossl;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (proxy_in_use) {
|
|
+ if (proxy_dialog_host != null && proxy_dialog_port > 0) {
|
|
+ proxyHost = proxy_dialog_host;
|
|
+ proxyPort = proxy_dialog_port;
|
|
+ }
|
|
+ if (proxyHost != null) {
|
|
+ dbg("Lucky us! we figured out the Proxy parameters: " + proxyHost + " " + proxyPort);
|
|
+ } else {
|
|
+ /* ask user to help us: */
|
|
+ ProxyDialog pd = new ProxyDialog(proxyHost, proxyPort);
|
|
+ pd.queryUser();
|
|
+ proxyHost = pd.getHost();
|
|
+ proxyPort = pd.getPort();
|
|
+ proxy_dialog_host = new String(proxyHost);
|
|
+ proxy_dialog_port = proxyPort;
|
|
+ dbg("User said host: " + pd.getHost() + " port: " + pd.getPort());
|
|
+ }
|
|
+
|
|
+ dbg("proxy_in_use psocket:");
|
|
+ proxySock = psocket(proxyHost, proxyPort);
|
|
+ if (proxySock == null) {
|
|
+ dbg("1-a sadly, returning a null socket");
|
|
+ return null;
|
|
+ }
|
|
+ String hp = host + ":" + port;
|
|
+
|
|
+ String req1 = "CONNECT " + hp + " HTTP/1.1\r\n"
|
|
+ + "Host: " + hp + "\r\n\r\n";
|
|
+
|
|
+ dbg("requesting1: " + req1);
|
|
+
|
|
+ try {
|
|
+ proxy_os.write(req1.getBytes());
|
|
+ String reply = readline(proxy_is);
|
|
+
|
|
+ dbg("proxy replied1: " + reply.trim());
|
|
+
|
|
+ if (reply.indexOf("HTTP/1.") < 0 && reply.indexOf(" 200") < 0) {
|
|
+ proxySock.close();
|
|
+ proxySock = psocket(proxyHost, proxyPort);
|
|
+ if (proxySock == null) {
|
|
+ dbg("2-a sadly, returning a null socket");
|
|
+ return null;
|
|
+ }
|
|
+ }
|
|
+ } catch(Exception e) {
|
|
+ dbg("sock prob1: " + e.getMessage());
|
|
+ }
|
|
+
|
|
+ while (true) {
|
|
+ String line = readline(proxy_is);
|
|
+ dbg("proxy line1: " + line.trim());
|
|
+ if (line.equals("\r\n") || line.equals("\n")) {
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+ } else if (viewer.CONNECT != null) {
|
|
+ dbg("viewer.CONNECT psocket:");
|
|
+ proxySock = psocket(host, port);
|
|
+ if (proxySock == null) {
|
|
+ dbg("1-b sadly, returning a null socket");
|
|
+ return null;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (viewer.CONNECT != null) {
|
|
+ String hp = viewer.CONNECT;
|
|
+ String req2 = "CONNECT " + hp + " HTTP/1.1\r\n"
|
|
+ + "Host: " + hp + "\r\n\r\n";
|
|
+
|
|
+ dbg("requesting2: " + req2);
|
|
+
|
|
+ try {
|
|
+ proxy_os.write(req2.getBytes());
|
|
+ String reply = readline(proxy_is);
|
|
+
|
|
+ dbg("proxy replied2: " + reply.trim());
|
|
+
|
|
+ if (reply.indexOf("HTTP/1.") < 0 && reply.indexOf(" 200") < 0) {
|
|
+ proxySock.close();
|
|
+ proxySock = psocket(proxyHost, proxyPort);
|
|
+ if (proxySock == null) {
|
|
+ dbg("2-b sadly, returning a null socket");
|
|
+ return null;
|
|
+ }
|
|
+ }
|
|
+ } catch(Exception e) {
|
|
+ dbg("sock prob2: " + e.getMessage());
|
|
+ }
|
|
+
|
|
+ while (true) {
|
|
+ String line = readline(proxy_is);
|
|
+ dbg("proxy line2: " + line.trim());
|
|
+ if (line.equals("\r\n") || line.equals("\n")) {
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ }
|
|
+
|
|
+ Socket sslsock = null;
|
|
+ try {
|
|
+ sslsock = factory.createSocket(proxySock, host, port, true);
|
|
+ } catch(Exception e) {
|
|
+ dbg("sslsock prob: " + e.getMessage());
|
|
+ dbg("3 sadly, returning a null socket");
|
|
+ }
|
|
+
|
|
+ return (SSLSocket) sslsock;
|
|
+ }
|
|
+
|
|
+ Socket psocket(String h, int p) {
|
|
+ Socket psock = null;
|
|
+ try {
|
|
+ psock = new Socket(h, p);
|
|
+ proxy_is = new DataInputStream(new BufferedInputStream(
|
|
+ psock.getInputStream(), 16384));
|
|
+ proxy_os = psock.getOutputStream();
|
|
+ } catch(Exception e) {
|
|
+ dbg("psocket prob: " + e.getMessage());
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ return psock;
|
|
+ }
|
|
+
|
|
+ String readline(DataInputStream i) {
|
|
+ byte[] ba = new byte[1];
|
|
+ String s = new String("");
|
|
+ ba[0] = 0;
|
|
+ try {
|
|
+ while (ba[0] != 0xa) {
|
|
+ ba[0] = (byte) i.readUnsignedByte();
|
|
+ s += new String(ba);
|
|
+ }
|
|
+ } catch (Exception e) {
|
|
+ ;
|
|
+ }
|
|
+ return s;
|
|
+ }
|
|
+}
|
|
+
|
|
+class TrustDialog implements ActionListener {
|
|
+ String msg, host, text;
|
|
+ int port;
|
|
+ java.security.cert.Certificate[] trustallCerts = null;
|
|
+ boolean viewing_cert = false;
|
|
+ boolean trust_this_session = false;
|
|
+
|
|
+ /*
|
|
+ * this is the gui to show the user the cert and info and ask
|
|
+ * them if they want to continue using this cert.
|
|
+ */
|
|
+
|
|
+ Button ok, cancel, viewcert;
|
|
+ TextArea textarea;
|
|
+ Checkbox accept, deny;
|
|
+ Dialog dialog;
|
|
+
|
|
+ String s1 = "Accept this certificate temporarily for this session";
|
|
+ String s2 = "Do not accept this certificate and do not connect to"
|
|
+ + " this VNC server";
|
|
+ String ln = "\n---------------------------------------------------\n\n";
|
|
+
|
|
+ TrustDialog (String h, int p, java.security.cert.Certificate[] s) {
|
|
+ host = h;
|
|
+ port = p;
|
|
+ trustallCerts = s;
|
|
+
|
|
+ msg = "VNC Server " + host + ":" + port + " Not Verified";
|
|
+ }
|
|
+
|
|
+ public boolean queryUser() {
|
|
+
|
|
+ /* create and display the dialog for unverified cert. */
|
|
+
|
|
+ Frame frame = new Frame(msg);
|
|
+
|
|
+ dialog = new Dialog(frame, true);
|
|
+
|
|
+ String infostr = "";
|
|
+ if (trustallCerts.length == 1) {
|
|
+ CertInfo ci = new CertInfo(trustallCerts[0]);
|
|
+ infostr = ci.get_certinfo("all");
|
|
+ }
|
|
+
|
|
+ text = "\n"
|
|
++ "Unable to verify the identity of\n"
|
|
++ "\n"
|
|
++ " " + host + ":" + port + "\n"
|
|
++ "\n"
|
|
++ infostr
|
|
++ "\n"
|
|
++ "as a trusted VNC server.\n"
|
|
++ "\n"
|
|
++ "This may be due to:\n"
|
|
++ "\n"
|
|
++ " - Your requesting to View the Certificate before accepting.\n"
|
|
++ "\n"
|
|
++ " - The VNC server using a Self-Signed Certificate.\n"
|
|
++ "\n"
|
|
++ " - The VNC server using a Certificate Authority not recognized by your\n"
|
|
++ " Browser or Java Plugin runtime.\n"
|
|
++ "\n"
|
|
++ " - The use of an Apache SSL portal employing CONNECT proxying and the\n"
|
|
++ " Apache web server has a certificate different from the VNC server's. \n"
|
|
++ "\n"
|
|
++ " - A Man-In-The-Middle attack impersonating as the VNC server you wish\n"
|
|
++ " to connect to. (Wouldn't that be exciting!!)\n"
|
|
++ "\n"
|
|
++ "By safely copying the VNC server's Certificate (or using a common\n"
|
|
++ "Certificate Authority certificate) you can configure your Web Browser or\n"
|
|
++ "Java Plugin to automatically authenticate this Server.\n"
|
|
++ "\n"
|
|
++ "If you do so, then you will only have to click \"Yes\" when this VNC\n"
|
|
++ "Viewer applet asks you whether to trust your Browser/Java Plugin's\n"
|
|
++ "acceptance of the certificate. (except for the Apache portal case above.)\n"
|
|
+;
|
|
+
|
|
+ /* the accept / do-not-accept radio buttons: */
|
|
+ CheckboxGroup checkbox = new CheckboxGroup();
|
|
+ accept = new Checkbox(s1, true, checkbox);
|
|
+ deny = new Checkbox(s2, false, checkbox);
|
|
+
|
|
+ /* put the checkboxes in a panel: */
|
|
+ Panel check = new Panel();
|
|
+ check.setLayout(new GridLayout(2, 1));
|
|
+
|
|
+ check.add(accept);
|
|
+ check.add(deny);
|
|
+
|
|
+ /* make the 3 buttons: */
|
|
+ ok = new Button("OK");
|
|
+ cancel = new Button("Cancel");
|
|
+ viewcert = new Button("View Certificate");
|
|
+
|
|
+ ok.addActionListener(this);
|
|
+ cancel.addActionListener(this);
|
|
+ viewcert.addActionListener(this);
|
|
+
|
|
+ /* put the buttons in their own panel: */
|
|
+ Panel buttonrow = new Panel();
|
|
+ buttonrow.setLayout(new FlowLayout(FlowLayout.LEFT));
|
|
+ buttonrow.add(viewcert);
|
|
+ buttonrow.add(ok);
|
|
+ buttonrow.add(cancel);
|
|
+
|
|
+ /* label at the top: */
|
|
+ Label label = new Label(msg, Label.CENTER);
|
|
+ label.setFont(new Font("Helvetica", Font.BOLD, 16));
|
|
+
|
|
+ /* textarea in the middle */
|
|
+ textarea = new TextArea(text, 36, 64,
|
|
+ TextArea.SCROLLBARS_VERTICAL_ONLY);
|
|
+ textarea.setEditable(false);
|
|
+
|
|
+ /* put the two panels in their own panel at bottom: */
|
|
+ Panel bot = new Panel();
|
|
+ bot.setLayout(new GridLayout(2, 1));
|
|
+ bot.add(check);
|
|
+ bot.add(buttonrow);
|
|
+
|
|
+ /* now arrange things inside the dialog: */
|
|
+ dialog.setLayout(new BorderLayout());
|
|
+
|
|
+ dialog.add("North", label);
|
|
+ dialog.add("South", bot);
|
|
+ dialog.add("Center", textarea);
|
|
+
|
|
+ dialog.pack();
|
|
+ dialog.resize(dialog.preferredSize());
|
|
+
|
|
+ dialog.show(); /* block here til OK or Cancel pressed. */
|
|
+
|
|
+ return trust_this_session;
|
|
+ }
|
|
+
|
|
+ public synchronized void actionPerformed(ActionEvent evt) {
|
|
+
|
|
+ if (evt.getSource() == viewcert) {
|
|
+ /* View Certificate button clicked */
|
|
+ if (viewing_cert) {
|
|
+ /* show the original info text: */
|
|
+ textarea.setText(text);
|
|
+ viewcert.setLabel("View Certificate");
|
|
+ viewing_cert = false;
|
|
+ } else {
|
|
+ int i;
|
|
+ /* show all (likely just one) certs: */
|
|
+ textarea.setText("");
|
|
+ for (i=0; i < trustallCerts.length; i++) {
|
|
+ int j = i + 1;
|
|
+ textarea.append("Certificate[" +
|
|
+ j + "]\n\n");
|
|
+ textarea.append(
|
|
+ trustallCerts[i].toString());
|
|
+ textarea.append(ln);
|
|
+ }
|
|
+ viewcert.setLabel("View Info");
|
|
+ viewing_cert = true;
|
|
+
|
|
+ textarea.setCaretPosition(0);
|
|
+ }
|
|
+
|
|
+ } else if (evt.getSource() == ok) {
|
|
+ /* OK button clicked */
|
|
+ if (accept.getState()) {
|
|
+ trust_this_session = true;
|
|
+ } else {
|
|
+ trust_this_session = false;
|
|
+ }
|
|
+ //dialog.dispose();
|
|
+ dialog.hide();
|
|
+
|
|
+ } else if (evt.getSource() == cancel) {
|
|
+ /* Cancel button clicked */
|
|
+ trust_this_session = false;
|
|
+
|
|
+ //dialog.dispose();
|
|
+ dialog.hide();
|
|
+ }
|
|
+ }
|
|
+
|
|
+ String get_certinfo() {
|
|
+ String all = "";
|
|
+ String fields[] = {"CN", "OU", "O", "L", "C"};
|
|
+ int i;
|
|
+ if (trustallCerts.length < 1) {
|
|
+ all = "";
|
|
+ return all;
|
|
+ }
|
|
+ String cert = trustallCerts[0].toString();
|
|
+
|
|
+ /*
|
|
+ * For now we simply scrape the cert string, there must
|
|
+ * be an API for this... perhaps optionValue?
|
|
+ */
|
|
+
|
|
+ for (i=0; i < fields.length; i++) {
|
|
+ int f, t, t1, t2;
|
|
+ String sub, mat = fields[i] + "=";
|
|
+
|
|
+ f = cert.indexOf(mat, 0);
|
|
+ if (f > 0) {
|
|
+ t1 = cert.indexOf(", ", f);
|
|
+ t2 = cert.indexOf("\n", f);
|
|
+ if (t1 < 0 && t2 < 0) {
|
|
+ continue;
|
|
+ } else if (t1 < 0) {
|
|
+ t = t2;
|
|
+ } else if (t2 < 0) {
|
|
+ t = t1;
|
|
+ } else if (t1 < t2) {
|
|
+ t = t1;
|
|
+ } else {
|
|
+ t = t2;
|
|
+ }
|
|
+ if (t > f) {
|
|
+ sub = cert.substring(f, t);
|
|
+ all = all + " " + sub + "\n";
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ return all;
|
|
+ }
|
|
+}
|
|
+
|
|
+class ProxyDialog implements ActionListener {
|
|
+ String guessedHost = null;
|
|
+ String guessedPort = null;
|
|
+ /*
|
|
+ * this is the gui to show the user the cert and info and ask
|
|
+ * them if they want to continue using this cert.
|
|
+ */
|
|
+
|
|
+ Button ok;
|
|
+ Dialog dialog;
|
|
+ TextField entry;
|
|
+ String reply = "";
|
|
+
|
|
+ ProxyDialog (String h, int p) {
|
|
+ guessedHost = h;
|
|
+ try {
|
|
+ guessedPort = Integer.toString(p);
|
|
+ } catch (Exception e) {
|
|
+ guessedPort = "8080";
|
|
+ }
|
|
+ }
|
|
+
|
|
+ public void queryUser() {
|
|
+
|
|
+ /* create and display the dialog for unverified cert. */
|
|
+
|
|
+ Frame frame = new Frame("Need Proxy host:port");
|
|
+
|
|
+ dialog = new Dialog(frame, true);
|
|
+
|
|
+
|
|
+ Label label = new Label("Please Enter your https Proxy info as host:port", Label.CENTER);
|
|
+ //label.setFont(new Font("Helvetica", Font.BOLD, 16));
|
|
+ entry = new TextField(30);
|
|
+ ok = new Button("OK");
|
|
+ ok.addActionListener(this);
|
|
+
|
|
+ String guess = "";
|
|
+ if (guessedHost != null) {
|
|
+ guess = guessedHost + ":" + guessedPort;
|
|
+ }
|
|
+ entry.setText(guess);
|
|
+
|
|
+ dialog.setLayout(new BorderLayout());
|
|
+ dialog.add("North", label);
|
|
+ dialog.add("Center", entry);
|
|
+ dialog.add("South", ok);
|
|
+ dialog.pack();
|
|
+ dialog.resize(dialog.preferredSize());
|
|
+
|
|
+ dialog.show(); /* block here til OK or Cancel pressed. */
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ public String getHost() {
|
|
+ int i = reply.indexOf(":");
|
|
+ if (i < 0) {
|
|
+ return "unknown";
|
|
+ }
|
|
+ String h = reply.substring(0, i);
|
|
+ return h;
|
|
+ }
|
|
+
|
|
+ public int getPort() {
|
|
+ int i = reply.indexOf(":");
|
|
+ int p = 8080;
|
|
+ if (i < 0) {
|
|
+ return p;
|
|
+ }
|
|
+ i++;
|
|
+ String ps = reply.substring(i);
|
|
+ try {
|
|
+ Integer I = new Integer(ps);
|
|
+ p = I.intValue();
|
|
+ } catch (Exception e) {
|
|
+ ;
|
|
+ }
|
|
+ return p;
|
|
+ }
|
|
+
|
|
+ public synchronized void actionPerformed(ActionEvent evt) {
|
|
+ System.out.println(evt.getActionCommand());
|
|
+ if (evt.getSource() == ok) {
|
|
+ reply = entry.getText();
|
|
+ //dialog.dispose();
|
|
+ dialog.hide();
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+class ClientCertDialog implements ActionListener {
|
|
+
|
|
+ Button ok;
|
|
+ Dialog dialog;
|
|
+ TextField entry;
|
|
+ String reply = "";
|
|
+
|
|
+ ClientCertDialog() {
|
|
+ ;
|
|
+ }
|
|
+
|
|
+ public String queryUser() {
|
|
+
|
|
+ /* create and display the dialog for unverified cert. */
|
|
+
|
|
+ Frame frame = new Frame("Enter SSL Client Cert+Key String");
|
|
+
|
|
+ dialog = new Dialog(frame, true);
|
|
+
|
|
+
|
|
+ Label label = new Label("Please Enter the SSL Client Cert+Key String 308204c0...,...522d2d0a", Label.CENTER);
|
|
+ entry = new TextField(30);
|
|
+ ok = new Button("OK");
|
|
+ ok.addActionListener(this);
|
|
+
|
|
+ dialog.setLayout(new BorderLayout());
|
|
+ dialog.add("North", label);
|
|
+ dialog.add("Center", entry);
|
|
+ dialog.add("South", ok);
|
|
+ dialog.pack();
|
|
+ dialog.resize(dialog.preferredSize());
|
|
+
|
|
+ dialog.show(); /* block here til OK or Cancel pressed. */
|
|
+ return reply;
|
|
+ }
|
|
+
|
|
+ public synchronized void actionPerformed(ActionEvent evt) {
|
|
+ System.out.println(evt.getActionCommand());
|
|
+ if (evt.getSource() == ok) {
|
|
+ reply = entry.getText();
|
|
+ //dialog.dispose();
|
|
+ dialog.hide();
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+class BrowserCertsDialog implements ActionListener {
|
|
+ Button yes, no;
|
|
+ Dialog dialog;
|
|
+ String vncServer;
|
|
+ String hostport;
|
|
+ public boolean showCertDialog = true;
|
|
+
|
|
+ BrowserCertsDialog(String serv, String hp) {
|
|
+ vncServer = serv;
|
|
+ hostport = hp;
|
|
+ }
|
|
+
|
|
+ public void queryUser() {
|
|
+
|
|
+ /* create and display the dialog for unverified cert. */
|
|
+
|
|
+ Frame frame = new Frame("Use Browser/JVM Certs?");
|
|
+
|
|
+ dialog = new Dialog(frame, true);
|
|
+
|
|
+ String m = "";
|
|
+m += "\n";
|
|
+m += "This VNC Viewer applet does not have its own keystore to track\n";
|
|
+m += "SSL certificates, and so cannot authenticate the certificate\n";
|
|
+m += "of the VNC Server:\n";
|
|
+m += "\n";
|
|
+m += " " + hostport + "\n\n " + vncServer + "\n";
|
|
+m += "\n";
|
|
+m += "on its own.\n";
|
|
+m += "\n";
|
|
+m += "However, it has noticed that your Web Browser or Java VM Plugin\n";
|
|
+m += "has previously accepted the same certificate. You may have set\n";
|
|
+m += "this up permanently or just for this session, or the server\n";
|
|
+m += "certificate was signed by a CA cert that your Web Browser or\n";
|
|
+m += "Java VM Plugin has.\n";
|
|
+m += "\n";
|
|
+m += "Should this VNC Viewer applet now connect to the above VNC server?\n";
|
|
+m += "\n";
|
|
+
|
|
+// String m = "\nShould this VNC Viewer applet use your Browser/JVM certs to\n";
|
|
+// m += "authenticate the VNC Server:\n";
|
|
+// m += "\n " + hostport + "\n\n " + vncServer + "\n\n";
|
|
+// m += "(NOTE: this *includes* any certs you have Just Now accepted in a\n";
|
|
+// m += "dialog box with your Web Browser or Java Applet Plugin)\n\n";
|
|
+
|
|
+ TextArea textarea = new TextArea(m, 20, 64,
|
|
+ TextArea.SCROLLBARS_VERTICAL_ONLY);
|
|
+ textarea.setEditable(false);
|
|
+ yes = new Button("Yes");
|
|
+ yes.addActionListener(this);
|
|
+ no = new Button("No, Let Me See the Certificate.");
|
|
+ no.addActionListener(this);
|
|
+
|
|
+ dialog.setLayout(new BorderLayout());
|
|
+ dialog.add("North", textarea);
|
|
+ dialog.add("Center", yes);
|
|
+ dialog.add("South", no);
|
|
+ dialog.pack();
|
|
+ dialog.resize(dialog.preferredSize());
|
|
+
|
|
+ dialog.show(); /* block here til Yes or No pressed. */
|
|
+ System.out.println("done show()");
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ public synchronized void actionPerformed(ActionEvent evt) {
|
|
+ System.out.println(evt.getActionCommand());
|
|
+ if (evt.getSource() == yes) {
|
|
+ showCertDialog = false;
|
|
+ //dialog.dispose();
|
|
+ dialog.hide();
|
|
+ } else if (evt.getSource() == no) {
|
|
+ showCertDialog = true;
|
|
+ //dialog.dispose();
|
|
+ dialog.hide();
|
|
+ }
|
|
+ System.out.println("done actionPerformed()");
|
|
+ }
|
|
+}
|
|
+
|
|
+class CertInfo {
|
|
+ String fields[] = {"CN", "OU", "O", "L", "C"};
|
|
+ java.security.cert.Certificate cert;
|
|
+ String certString = "";
|
|
+
|
|
+ CertInfo(java.security.cert.Certificate c) {
|
|
+ cert = c;
|
|
+ certString = cert.toString();
|
|
+ }
|
|
+
|
|
+ String get_certinfo(String which) {
|
|
+ int i;
|
|
+ String cs = new String(certString);
|
|
+ String all = "";
|
|
+
|
|
+ /*
|
|
+ * For now we simply scrape the cert string, there must
|
|
+ * be an API for this... perhaps optionValue?
|
|
+ */
|
|
+ for (i=0; i < fields.length; i++) {
|
|
+ int f, t, t1, t2;
|
|
+ String sub, mat = fields[i] + "=";
|
|
+
|
|
+ f = cs.indexOf(mat, 0);
|
|
+ if (f > 0) {
|
|
+ t1 = cs.indexOf(", ", f);
|
|
+ t2 = cs.indexOf("\n", f);
|
|
+ if (t1 < 0 && t2 < 0) {
|
|
+ continue;
|
|
+ } else if (t1 < 0) {
|
|
+ t = t2;
|
|
+ } else if (t2 < 0) {
|
|
+ t = t1;
|
|
+ } else if (t1 < t2) {
|
|
+ t = t1;
|
|
+ } else {
|
|
+ t = t2;
|
|
+ }
|
|
+ if (t > f) {
|
|
+ sub = cs.substring(f, t);
|
|
+ all = all + " " + sub + "\n";
|
|
+ if (which.equals(fields[i])) {
|
|
+ return sub;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ if (which.equals("all")) {
|
|
+ return all;
|
|
+ } else {
|
|
+ return "";
|
|
+ }
|
|
+ }
|
|
+}
|
|
diff -x VncCanvas.java -Naur vnc_javasrc.orig/VncViewer.java vnc_javasrc/VncViewer.java
|
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--- vnc_javasrc.orig/VncViewer.java 2004-03-04 08:34:25.000000000 -0500
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+++ vnc_javasrc/VncViewer.java 2007-09-03 23:22:13.000000000 -0400
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@@ -80,7 +80,7 @@
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// Variables read from parameter values.
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String socketFactory;
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String host;
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- int port;
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+ int port, vncserverport;
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boolean showControls;
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boolean offerRelogin;
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boolean showOfflineDesktop;
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@@ -88,6 +88,17 @@
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int deferCursorUpdates;
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int deferUpdateRequests;
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+ boolean disableSSL;
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+ boolean GET;
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+ String CONNECT;
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+ String urlPrefix;
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+ String httpsPort;
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+ String oneTimeKey;
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+ boolean forceProxy;
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+ boolean ignoreProxy;
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+ boolean trustAllVncCerts;
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+ boolean trustUrlVncCert;
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+
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// Reference to this applet for inter-applet communication.
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public static java.applet.Applet refApplet;
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@@ -591,8 +602,25 @@
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}
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}
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- String str = readParameter("PORT", true);
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- port = Integer.parseInt(str);
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+ port = 0;
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+ String str = readParameter("PORT", false);
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+ if (str != null) {
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+ port = Integer.parseInt(str);
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+ }
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+ // When there is a proxy VNCSERVERPORT may be inaccessible (inside firewall).
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+ vncserverport = 0;
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+ str = readParameter("VNCSERVERPORT", false);
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+ if (str != null) {
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+ vncserverport = Integer.parseInt(str);
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+ }
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+ if (port == 0 && vncserverport == 0) {
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+ fatalError("Neither PORT nor VNCSERVERPORT parameters specified");
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+ }
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+ if (port == 0) {
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+ // Nevertheless, fall back to vncserverport if we have to.
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+ System.out.println("using vncserverport: '" + vncserverport + "' for PORT.");
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+ port = vncserverport;
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+ }
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if (inAnApplet) {
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str = readParameter("Open New Window", false);
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@@ -626,6 +654,68 @@
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// SocketFactory.
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socketFactory = readParameter("SocketFactory", false);
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+
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+ // SSL
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+ disableSSL = false;
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+ str = readParameter("DisableSSL", false);
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+ if (str != null && str.equalsIgnoreCase("Yes"))
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+ disableSSL = true;
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+
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+ httpsPort = readParameter("httpsPort", false);
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+
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+ // Extra GET, CONNECT string:
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+ CONNECT = readParameter("CONNECT", false);
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+ if (CONNECT != null) {
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+ CONNECT = CONNECT.replaceAll(" ", ":");
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+ }
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+
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+ GET = false;
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+ str = readParameter("GET", false);
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+ if (str != null && str.equalsIgnoreCase("Yes")) {
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+ GET = true;
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+ }
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+ if (str != null && str.equalsIgnoreCase("1")) {
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+ GET = true;
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+ }
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+
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+ urlPrefix = readParameter("urlPrefix", false);
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+ if (urlPrefix != null) {
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+ urlPrefix = urlPrefix.replaceAll("%2F", "/");
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+ urlPrefix = urlPrefix.replaceAll("%2f", "/");
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+ urlPrefix = urlPrefix.replaceAll("_2F_", "/");
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+ if (urlPrefix.indexOf("/") != 0) {
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+ urlPrefix = "/" + urlPrefix;
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+ }
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+ } else {
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+ urlPrefix = "";
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+ }
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+ System.out.println("urlPrefix: '" + urlPrefix + "'");
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+
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+ oneTimeKey = readParameter("oneTimeKey", false);
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+ if (oneTimeKey != null) {
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+ System.out.println("oneTimeKey: is set");
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+ }
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+
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+ forceProxy = false;
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+ str = readParameter("forceProxy", false);
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+ if (str != null && str.equalsIgnoreCase("Yes")) {
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+ forceProxy = true;
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+ }
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+ ignoreProxy = false;
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+ str = readParameter("ignoreProxy", false);
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+ if (str != null && str.equalsIgnoreCase("Yes")) {
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+ ignoreProxy = true;
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+ }
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+ trustAllVncCerts = false;
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+ str = readParameter("trustAllVncCerts", false);
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+ if (str != null && str.equalsIgnoreCase("Yes")) {
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+ trustAllVncCerts = true;
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+ }
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+ trustUrlVncCert = false;
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+ str = readParameter("trustUrlVncCert", false);
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+ if (str != null && str.equalsIgnoreCase("Yes")) {
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+ trustUrlVncCert = true;
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+ }
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}
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public String readParameter(String name, boolean required) {
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