2 files changed, 137 insertions, 0 deletions
diff --git a/nxproxy/src/Main.c b/nxproxy/src/Main.c
new file mode 100644
index 000000000..d9fb1ef4f
--- /dev/null
+++ b/nxproxy/src/Main.c
@@ -0,0 +1,120 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXPROXY, 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 Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rigths reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+#include "NX.h"
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+extern const char *__progname;
+
+/*
+ * Entry point when running nxproxy stand-alone.
+ */
+
+int main(int argc, const char **argv)
+{
+  int result = -1;
+
+  char *options = NULL;
+
+  char *nx_commfd_str = NULL;
+
+  options = getenv("NX_DISPLAY");
+
+  if ((nx_commfd_str = getenv("NX_COMMFD")) != NULL)
+  {
+    errno = 0;
+    unsigned long int nx_commfd = strtoul(nx_commfd_str, NULL, 10);
+
+    if ((errno) && (0 == nx_commfd))
+    {
+      fprintf(stderr, "%s: NX_COMMFD environment variable's value [%s] is not a file descriptor number. "
+                      "Aborting...\n",
+                      __progname, nx_commfd_str
+                      );
+      NXTransCleanup();
+    }
+    else if ((unsigned long int) INT_MAX < nx_commfd)
+    {
+      fprintf(stderr, "%s: NX_COMMFD environment variable's value [%lu] is out of range for a file descriptor number. "
+                      "Aborting...\n",
+                      __progname, nx_commfd);
+      NXTransCleanup();
+    }
+    else {
+      result = NXTransCreate(nx_commfd, NX_MODE_SERVER, options);
+
+      if (result != 1)
+      {
+        fprintf(stderr, "%s: NXTransCreate failed for FD#%lu\n"
+                        "Aborting...",
+                        __progname, nx_commfd);
+        NXTransCleanup();
+      }
+
+    }
+
+    // go into endless loop
+
+    if (result == 1)
+    {
+      while (NXTransRunning(NX_FD_ANY))
+        result = NXTransContinue(NULL);
+    }
+  }
+  else
+  {
+
+    if (NXTransParseCommandLine(argc, argv) < 0)
+    {
+      NXTransCleanup();
+    }
+
+    if (NXTransParseEnvironment(options, 0) < 0)
+    {
+      NXTransCleanup();
+    }
+
+    /*
+     * This should not return...
+     */
+
+    #ifdef TEST
+    fprintf(stderr, "%s: Yielding control to NX entry point.\n", __progname);
+    #endif
+
+    result = NXTransProxy(NX_FD_ANY, NX_MODE_ANY, NX_DISPLAY_ANY);
+  }
+
+  /*
+   * ...So these should not be called.
+   */
+
+  NXTransExit(result);
+
+  return 0;
+}
diff --git a/nxproxy/src/Makefile.am b/nxproxy/src/Makefile.am
new file mode 100644
index 000000000..5ec1f9401
--- /dev/null
+++ b/nxproxy/src/Makefile.am
@@ -0,0 +1,17 @@
+NULL =
+
+nxexecdir = $(libexecdir)
+
+nxexec_PROGRAMS = nxproxy
+
+nxproxy_SOURCES =					\
+    Main.c						\
+    $(NULL)
+
+nxproxy_LDADD =						\
+    -L$(top_srcdir)/../nxcomp/ -lXcomp			\
+    $(NULL)
+
+AM_CPPFLAGS =						\
+    -I$(top_srcdir)/../nxcomp/				\
+    $(NULL)