diff --git a/common/rfb/ConnParams.cxx b/common/rfb/ConnParams.cxx
new file mode 100644
index 0000000..d4ae589
--- /dev/null
+++ b/common/rfb/ConnParams.cxx
@@ -0,0 +1,125 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+#include <rdr/InStream.h>
+#include <rdr/OutStream.h>
+#include <rfb/Exception.h>
+#include <rfb/encodings.h>
+#include <rfb/Encoder.h>
+#include <rfb/ConnParams.h>
+#include <rfb/util.h>
+
+using namespace rfb;
+
+ConnParams::ConnParams()
+  : majorVersion(0), minorVersion(0), width(0), height(0), useCopyRect(false),
+    supportsLocalCursor(false), supportsLocalXCursor(false), supportsDesktopResize(true),
+    supportsLastRect(false), customCompressLevel(false), compressLevel(6),
+    noJpeg(false), qualityLevel(-1), 
+    name_(0), nEncodings_(0), encodings_(0),
+    currentEncoding_(encodingRaw), verStrPos(0)
+{
+  setName("");
+}
+
+ConnParams::~ConnParams()
+{
+  delete [] name_;
+  delete [] encodings_;
+}
+
+bool ConnParams::readVersion(rdr::InStream* is, bool* done)
+{
+  if (verStrPos >= 12) return false;
+  while (is->checkNoWait(1) && verStrPos < 12) {
+    verStr[verStrPos++] = is->readU8();
+  }
+
+  if (verStrPos < 12) {
+    *done = false;
+    return true;
+  }
+  *done = true;
+  verStr[12] = 0;
+  return (sscanf(verStr, "RFB %03d.%03d\n", &majorVersion,&minorVersion) == 2);
+}
+
+void ConnParams::writeVersion(rdr::OutStream* os)
+{
+  char str[13];
+  sprintf(str, "RFB %03d.%03d\n", majorVersion, minorVersion);
+  os->writeBytes(str, 12);
+  os->flush();
+}
+
+void ConnParams::setPF(const PixelFormat& pf)
+{
+  pf_ = pf;
+
+  if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
+    throw Exception("setPF: not 8, 16 or 32 bpp?");
+}
+
+void ConnParams::setName(const char* name)
+{
+  delete [] name_;
+  name_ = strDup(name);
+}
+
+void ConnParams::setEncodings(int nEncodings, const rdr::U32* encodings)
+{
+  if (nEncodings > nEncodings_) {
+    delete [] encodings_;
+    encodings_ = new rdr::U32[nEncodings];
+  }
+  nEncodings_ = nEncodings;
+  useCopyRect = false;
+  supportsLocalCursor = false;
+  supportsDesktopResize = false;
+  supportsLocalXCursor = false;
+  supportsLastRect = false;
+  customCompressLevel = false;
+  compressLevel = -1;
+  noJpeg = true;
+  qualityLevel = -1;
+  currentEncoding_ = encodingRaw;
+
+  for (int i = nEncodings-1; i >= 0; i--) {
+    encodings_[i] = encodings[i];
+
+    if (encodings[i] == encodingCopyRect)
+      useCopyRect = true;
+    else if (encodings[i] == pseudoEncodingCursor)
+      supportsLocalCursor = true;
+    else if (encodings[i] == pseudoEncodingXCursor)
+      supportsLocalXCursor = true;
+    else if (encodings[i] == pseudoEncodingDesktopSize)
+      supportsDesktopResize = true;
+    else if (encodings[i] == pseudoEncodingLastRect)
+      supportsLastRect = true;
+    else if (encodings[i] >= pseudoEncodingCompressLevel0 &&
+	     encodings[i] <= pseudoEncodingCompressLevel9) {
+      customCompressLevel = true;
+      compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
+    } else if (encodings[i] >= pseudoEncodingQualityLevel0 &&
+	       encodings[i] <= pseudoEncodingQualityLevel9) {
+      noJpeg = false;
+      qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
+    } else if (encodings[i] <= encodingMax && Encoder::supported(encodings[i]))
+      currentEncoding_ = encodings[i];
+  }
+}