1 files changed, 181 insertions, 0 deletions

diff --git a/src/nat/gnunet-nat.c b/src/nat/gnunet-nat.c
new file mode 100644
index 000000000..f9aae10cf
--- /dev/null
+++ b/src/nat/gnunet-nat.c
@@ -0,0 +1,181 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2015 Christian Grothoff (and other contributing authors)
+
+     GNUnet 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 3, or (at your
+     option) any later version.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @file src/nat/gnunet-nat.c
+ * @brief Daemon to auto configure nat
+ * @author Christian Grothoff
+ * @author Bruno Cabral
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_nat_lib.h"
+#include "gnunet_protocols.h"
+#include "nat.h"
+
+
+struct GNUNET_CONFIGURATION_Handle *cfg;
+
+
+
+/**
+ * Function to iterate over sugested changes options
+ *
+ * @param cls closure
+ * @param section name of the section
+ * @param option name of the option
+ * @param value value of the option
+ */
+static void
+auto_conf_iter (void *cls,
+                const char *section,
+                const char *option,
+                const char *value)
+{
+
+  printf( "%s: %s \n", option, value);
+}
+
+
+
+/**
+ * Function called with the result from the autoconfiguration.
+ *
+ * @param cls closure
+ * @param diff minimal suggested changes to the original configuration
+ *             to make it work (as best as we can)
+ * @param result #GNUNET_NAT_ERROR_SUCCESS on success, otherwise the specific error code
+ * @param type what the situation of the NAT
+ */
+
+void
+auto_config_cb(void *cls,
+                                 const struct GNUNET_CONFIGURATION_Handle *diff,
+                                 enum GNUNET_NAT_StatusCode result, enum GNUNET_NAT_Type type)
+{
+  char* nat_type;
+
+
+  switch (type)
+  {
+    case GNUNET_NAT_TYPE_NO_NAT:
+      nat_type = "NO NAT";
+      break;
+    case GNUNET_NAT_TYPE_UNREACHABLE_NAT:
+      nat_type = "NAT but we can traverse";
+      break;
+    case GNUNET_NAT_TYPE_STUN_PUNCHED_NAT:
+      nat_type = "NAT but STUN is able to identify the correct information";
+      break;
+    case GNUNET_NAT_TYPE_UPNP_NAT:
+      nat_type = "NAT but UPNP opened the ports";
+      break;
+
+  }
+
+  printf("NAT status: %s \n", nat_type );
+  printf("SUGGESTED CHANGES: \n" );
+
+  GNUNET_CONFIGURATION_iterate_section_values (diff,
+                                               "nat",
+                                               &auto_conf_iter,
+                                               NULL);
+
+  //TODO: Save config
+
+}
+
+
+
+                                                                 
+
+/**
+ * Main function that will be run.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param c configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *c)
+{
+  
+
+  GNUNET_NAT_autoconfig_start(c,auto_config_cb, NULL);
+
+}
+
+
+/**
+ * Main function of gnunet-nat
+ *
+ * @param argc number of command-line arguments
+ * @param argv command line
+ * @return 0 on success, -1 on error
+ */
+int
+main (int argc, char *const argv[])
+{
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  int ret = 0;
+  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+    return 2;
+
+  /* Lets start resolver */
+  char *fn;
+  struct GNUNET_OS_Process *proc;
+
+  fn = GNUNET_OS_get_libexec_binary_path ("gnunet-service-resolver");
+  proc = GNUNET_OS_start_process (GNUNET_YES,
+                                  GNUNET_OS_INHERIT_STD_OUT_AND_ERR,
+                                  NULL, NULL, NULL,
+                                  fn,
+                                  "gnunet-service-resolver");
+  GNUNET_assert (NULL != proc);
+
+  if (GNUNET_OK !=
+      GNUNET_PROGRAM_run (argc, argv, "gnunet-nat [options]",
+                          _("GNUnet NAT traversal autoconfigure daemon"), options,
+                          &run, NULL))
+  {
+      ret = 1;
+  }
+
+  /* Now kill the resolver */
+  if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
+  {
+      GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  }
+  GNUNET_OS_process_wait (proc);
+  GNUNET_OS_process_destroy (proc);
+  proc = NULL;
+
+
+  GNUNET_free ((void*) argv);
+  return ret;
+}
+
+
+/* end of gnunet-nat-server.c */