-skeleton code for gnunet-vpn command

1 files changed, 149 insertions, 0 deletions

diff --git a/src/vpn/gnunet-vpn.c b/src/vpn/gnunet-vpn.c
new file mode 100644
index 000000000..3be830a6a
--- /dev/null
+++ b/src/vpn/gnunet-vpn.c
@@ -0,0 +1,149 @@
+/*
+     This file is part of GNUnet.
+     (C) 2012 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., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file src/vpn/gnunet-vpn.c
+ * @brief Tool to manually request VPN tunnels to be created
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_vpn_service.h"
+
+
+/**
+ * Handle to vpn service.
+ */
+static struct GNUNET_VPN_Handle *handle;
+
+/**
+ * Opaque redirection request handle.
+ */
+static struct GNUNET_VPN_RedirectionRequest *request;
+
+/**
+ * Option -p: destination peer identity for service
+ */
+static char *peer_id;
+
+/**
+ * Option -s: service name (hash to get service descriptor)
+ */
+static char *service_name;
+
+/**
+ * Option -i: target IP
+ */
+static char *target_ip;
+
+/**
+ * Option -4: IPv4 requested.
+ */
+static int ipv4;
+
+/**
+ * Option -6: IPv6 requested.
+ */
+static int ipv6;
+
+/**
+ * Selected level of verbosity.
+ */
+static int verbosity;
+
+/**
+ * Global return value.
+ */
+static int ret;
+
+
+/**
+ * Shutdown.
+ */
+static void
+do_disconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  if (NULL != request)
+  {
+    GNUNET_VPN_cancel_request (request);
+    request = NULL;
+  }
+  if (NULL != handle)
+  {
+    GNUNET_VPN_disconnect (handle);
+    handle = NULL;
+  }
+  GNUNET_free_non_null (peer_id);
+  GNUNET_free_non_null (service_name);
+  GNUNET_free_non_null (target_ip);
+}
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param cfg configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  handle = GNUNET_VPN_connect (cfg);
+  
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+                                &do_disconnect, NULL);
+}
+
+
+int
+main (int argc, char *const *argv)
+{
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    {'4', "ipv4", NULL,
+     gettext_noop ("request that result should be an IPv4 address"),
+     0, &GNUNET_GETOPT_set_one, &ipv4},
+    {'6', "ipv6", NULL,
+     gettext_noop ("request that result should be an IPv6 address"),
+     0, &GNUNET_GETOPT_set_one, &ipv6},
+    {'i', "ip", "IP",
+     gettext_noop ("destination IP for the tunnel"),
+     1, &GNUNET_GETOPT_set_string, &target_ip},
+    {'p', "peer", "PEERID",
+     gettext_noop ("peer offering the service we would like to access"),
+     1, &GNUNET_GETOPT_set_string, &peer_id},
+    {'s', "service", "NAME",
+     gettext_noop ("name of the service we would like to access"),
+     1, &GNUNET_GETOPT_set_string, &peer_id},
+    GNUNET_GETOPT_OPTION_VERBOSE (&verbosity),
+    GNUNET_GETOPT_OPTION_END
+  };
+  return (GNUNET_OK ==
+          GNUNET_PROGRAM_run (argc, argv, "gnunet-vpn",
+                              gettext_noop
+                              ("Setup tunnels via VPN."), options,
+                              &run, NULL)) ? ret : 1;
+}
+
+
+/* end of gnunet-vpn.c */