1 files changed, 177 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Binder.c b/nx-X11/programs/Xserver/hw/nxagent/Binder.c
new file mode 100644
index 000000000..cfea2cc77
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/Binder.c
@@ -0,0 +1,177 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXAGENT, 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "NX.h"
+
+#include "Binder.h"
+#include "Options.h"
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+int nxagentCheckBinder(int argc, char *argv[], int i)
+{
+  if (++i < argc)
+  {
+    char *display;
+    char *found;
+
+    int port;
+
+    display = argv[i];
+
+    /*
+     * Check if a display specification follows
+     * the -B switch.
+     */
+
+    found = rindex(display, ':');
+
+    if (found == NULL || *(found + 1) == '\0' ||
+            isdigit(*(found + 1)) == 0)
+    {
+      fprintf(stderr, "Error: Can't identify the display port in string '%s'.\n",
+                  display);
+
+      return 0;
+    }
+
+    port = atoi(found + 1);
+
+    #ifdef TEST
+    fprintf(stderr, "nxagentCheckBinder: Identified agent display port [%d].\n",
+                port);
+    #endif
+
+    /*
+     * The NX options must be specified in the DISPLAY
+     * environment. Check if the display specified on
+     * the command line matches the NX virtual display.
+     */
+
+    display = getenv("DISPLAY");
+
+    if (display == NULL || *display == '\0')
+    {
+      fprintf(stderr, "Error: No DISPLAY environment found.\n");
+
+      return 0;
+    }
+
+    found = rindex(display, ':');
+
+    if (found == NULL || *(found + 1) == '\0' ||
+            isdigit(*(found + 1)) == 0 || atoi(found + 1) != port)
+    {
+      fprintf(stderr, "Error: The NX display doesn't match the agent display :%d.\n",
+                  port);
+
+      return 0;
+    }
+
+    #ifdef TEST
+    fprintf(stderr, "nxagentCheckBinder: Identified NX display port [%d].\n",
+                atoi(found + 1));
+    #endif
+
+    /*
+     * Save the proxy options. They will be later
+     * used to create the transport.
+     */
+
+    nxagentChangeOption(Rootless, False);
+    nxagentChangeOption(Desktop, False);
+    nxagentChangeOption(Binder, True);
+
+    /*
+     * FIXME: This now points to the buffer that was
+     * returned by getenv(). It is to be decided how
+     * to handle the values of type string in the
+     * Options repository.
+     */
+     
+    nxagentChangeOption(BinderOptions, display);
+
+    return 2;
+  }
+
+  fprintf(stderr, "Error: No display port specified in command.\n");
+
+  return 0;
+}
+
+int nxagentBinderLoop()
+{
+  struct timeval timeout;
+
+  char *options = nxagentOption(BinderOptions);
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentBinderLoop: Creating the NX transport.\n");
+  #endif
+
+  if (NXTransCreate(NX_FD_ANY, NX_MODE_CLIENT, options) < 0)
+  {
+    #ifdef TEST
+    fprintf(stderr, "nxagentBinderLoop: PANIC! Error creating the NX transport.\n");
+    #endif
+
+    return -1;
+  }
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentBinderLoop: Yielding control to the NX entry point.\n");
+  #endif
+
+  while (NXTransRunning(NX_FD_ANY))
+  {
+    #ifdef DEBUG
+    fprintf(stderr, "nxagentBinderLoop: Going to run a new NX proxy loop.\n");
+    #endif
+
+    timeout.tv_sec  = 10;
+    timeout.tv_usec = 0;
+
+    NXTransContinue(&timeout);
+
+    #ifdef DEBUG
+    fprintf(stderr, "nxagentBinderLoop: Completed execution of the NX loop.\n");
+    #endif
+  }
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentBinderLoop: Exiting the NX proxy binder loop.\n");
+  #endif
+
+  return 1;
+}
+
+void nxagentBinderExit(int code)
+{
+  NXTransExit(code);
+}