add missing test_net.c and fix bug about sockaddr* cast

1 files changed, 152 insertions, 0 deletions

diff --git a/src/nat/test_nat.c b/src/nat/test_nat.c
new file mode 100644
index 000000000..e535e7e50
--- /dev/null
+++ b/src/nat/test_nat.c
@@ -0,0 +1,152 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009 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 2, 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 nat/test_nat.c
+ * @brief Testcase for NAT library
+ * @author Milan Bouchet-Valat
+ */
+
+/**
+ * Testcase for port redirection and public IP address retrieval.
+ * This test never fails, because there need to be a NAT box set up for that.
+ * So we only get IP address and open the 2086 port using any UPnP and NAT-PMP
+ * routers found, wait for 30s, close ports and return.
+ * Have a look at the logs and use NMAP to check that it works with your box.
+ */
+
+
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_scheduler_lib.h"
+#include "gnunet_nat_lib.h"
+
+/* Time to wait before stopping NAT, in seconds */
+#define TIMEOUT 30
+
+struct addr_cls
+{
+  const struct sockaddr *addr;
+  socklen_t addrlen;
+};
+//typedef addr_cls addr_cls;
+
+static void
+addr_callback (void *cls, int add_remove,
+               const struct sockaddr *addr, socklen_t addrlen)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "External address changed: %s %s\n",
+              add_remove == GNUNET_YES ? "added" : "removed",
+              GNUNET_a2s (addr, addrlen));
+}
+
+static void
+stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_NAT_Handle *nat = cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Stopping NAT and quitting...\n");
+  GNUNET_NAT_unregister (nat);
+}
+
+/* Return the address of the default interface,
+ * or any interface with a valid address if the default is not valid */
+static int
+process_if (void *cls,
+            const char *name,
+            int isDefault,
+            const struct sockaddr *addr,
+            socklen_t addrlen)
+{
+  struct addr_cls *data = cls;
+
+  if (addr)
+    {
+      data->addr = addr;
+      data->addrlen = addrlen;
+    }
+
+  if (isDefault && addr)
+    return GNUNET_SYSERR;
+  else
+    return GNUNET_OK;
+}
+
+static void
+run (void *cls,
+     struct GNUNET_SCHEDULER_Handle *sched,
+     char *const *args,
+     const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  GNUNET_NAT_Handle *nat;
+  struct addr_cls data;
+  struct sockaddr *addr;
+
+  GNUNET_log_setup ("test-nat", "DEBUG", NULL);
+
+  data.addr = NULL;
+  GNUNET_OS_network_interfaces_list (process_if, &data);
+  if (!data.addr)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not find a valid interface address!\n");
+      exit (GNUNET_SYSERR);
+    }
+
+  addr = GNUNET_malloc (data.addrlen);
+  memcpy (addr, data.addr, data.addrlen);
+
+  GNUNET_assert (addr->sa_family == AF_INET || addr->sa_family == AF_INET6);
+  if (addr->sa_family == AF_INET)
+    ((struct sockaddr_in *) addr)->sin_port = htons (2086);
+  else
+    ((struct sockaddr_in6 *) addr)->sin6_port = htons (2086);
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Requesting NAT redirection from address %s...\n", GNUNET_a2s (addr, data.addrlen));
+
+  nat = GNUNET_NAT_register (sched, addr, data.addrlen, addr_callback, NULL);
+  GNUNET_free (addr);
+
+  GNUNET_SCHEDULER_add_delayed (sched, GNUNET_NO,
+                                GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+                                GNUNET_SCHEDULER_NO_TASK,
+                                GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, TIMEOUT),
+                                stop, nat);
+}
+
+int
+main (int argc, const char *argv[])
+{
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  GNUNET_log_setup ("test-nat", "DEBUG", NULL);
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Testing NAT library, timeout set to %d seconds\n", TIMEOUT);
+
+  GNUNET_PROGRAM_run (argc, argv, "test-nat", "nohelp", options, &run, NULL);
+
+  return 0;
+}
+
+/* end of test_nat.c */