1 files changed, 119 insertions, 0 deletions
diff --git a/nxcomp/InternAtom.cpp b/nxcomp/InternAtom.cpp
new file mode 100755
index 000000000..f9608c033
--- /dev/null
+++ b/nxcomp/InternAtom.cpp
@@ -0,0 +1,119 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXCOMP, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of NoMachine S.r.l.                    */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "InternAtom.h"
+
+#include "ClientCache.h"
+
+#include "EncodeBuffer.h"
+#include "DecodeBuffer.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+#undef  DUMP
+
+//
+// Here are the methods to handle messages' content.
+//
+
+int InternAtomStore::parseIdentity(Message *message, const unsigned char *buffer,
+                                       unsigned int size, int bigEndian) const
+{
+  InternAtomMessage *internAtom = (InternAtomMessage *) message;
+
+  //
+  // Here is the fingerprint.
+  //
+
+  internAtom -> only_if_exists = *(buffer + 1);
+  internAtom -> name_length    = GetUINT(buffer + 4, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush;
+  #endif
+
+  //
+  // Clean up padding bytes.
+  //
+
+  if ((int) size > dataOffset)
+  {
+    unsigned char *end = ((unsigned char *) buffer) + size;
+
+    for (unsigned char *pad = ((unsigned char *) buffer) + 8 + 
+                                  internAtom -> name_length; pad < end; pad++)
+    {
+      *pad = 0;
+    }
+  }
+
+  return 1;
+}
+
+int InternAtomStore::unparseIdentity(const Message *message, unsigned char *buffer,
+                                         unsigned int size, int bigEndian) const
+{
+  InternAtomMessage *internAtom = (InternAtomMessage *) message;
+
+  //
+  // Fill all the message's fields.
+  //
+
+  *(buffer + 1) = internAtom -> only_if_exists;
+
+  PutUINT(internAtom -> name_length, buffer + 4, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+void InternAtomStore::dumpIdentity(const Message *message) const
+{
+  #ifdef DUMP
+
+  InternAtomMessage *internAtom = (InternAtomMessage *) message;
+
+  *logofs << name() << ": Identity only_if_exists " 
+          << (unsigned int) internAtom -> only_if_exists
+          << ", name_length " << internAtom -> name_length
+          << ", name '";
+
+          for (int i = 0; i < internAtom -> name_length; i++)
+          {
+            *logofs << internAtom -> data_[i];
+          }
+
+          *logofs << "'.\n" << logofs_flush;
+
+  #endif
+}
+
+void InternAtomStore::identityChecksum(const Message *message, const unsigned char *buffer,
+                                           unsigned int size, int bigEndian) const
+{
+  md5_append(md5_state_, buffer + 1, 1);
+  md5_append(md5_state_, buffer + 4, 2);
+}