- use tunnel encryption state to select decryption key

[oweals/gnunet.git] / src / nat / gnunet-nat-server.c

diff --git a/src/nat/gnunet-nat-server.c b/src/nat/gnunet-nat-server.c
index 3b4ec22939a6f5bf87e52a2ee2578e55a119a6c5..1a98cdc9628f1f871dc98a41bd91b47f8e0907e7 100644 (file)
--- a/src/nat/gnunet-nat-server.c
+++ b/src/nat/gnunet-nat-server.c
@@ -29,7 +29,6 @@
 #include "gnunet_protocols.h"
 #include "nat.h"
 
-#define DEBUG_NAT GNUNET_NO
 
 /**
  * Our server.
@@ -56,11 +55,9 @@ try_anat (uint32_t dst_ipv4, uint16_t dport, int is_tcp)
   struct GNUNET_NAT_Handle *h;
   struct sockaddr_in sa;
 
-#if DEBUG_NAT
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Asking for connection reversal with %x and code %u\n",
               (unsigned int) dst_ipv4, (unsigned int) dport);
-#endif
   h = GNUNET_NAT_register (cfg, is_tcp, dport, 0, NULL, NULL, NULL, NULL, NULL);
   memset (&sa, 0, sizeof (sa));
   sa.sin_family = AF_INET;
@@ -83,7 +80,7 @@ struct TcpContext
    */
   struct GNUNET_NETWORK_Handle *s;
 
-  /** 
+  /**
    * Data to transmit.
    */
   uint16_t data;
@@ -94,7 +91,7 @@ struct TcpContext
  * Task called by the scheduler once we can do the TCP send
  * (or once we failed to connect...).
  *
- * @param ctx the 'struct TcpContext'
+ * @param cls the 'struct TcpContext'
  * @param tc scheduler context
  */
 static void
@@ -108,9 +105,7 @@ tcp_send (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     if (-1 ==
         GNUNET_NETWORK_socket_send (ctx->s, &ctx->data, sizeof (ctx->data)))
     {
-#if DEBUG_NAT
       GNUNET_log_strerror (GNUNET_ERROR_TYPE_DEBUG, "send");
-#endif
     }
     GNUNET_NETWORK_socket_shutdown (ctx->s, SHUT_RDWR);
   }
@@ -122,8 +117,8 @@ tcp_send (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 /**
  * Try to send 'data' to the
  * IP 'dst_ipv4' at port 'dport' via TCP.
- * 
- * @param dst_ivp4 target IP
+ *
+ * @param dst_ipv4 target IP
  * @param dport target port
  * @param data data to send
  */
@@ -147,14 +142,10 @@ try_send_tcp (uint32_t dst_ipv4, uint16_t dport, uint16_t data)
 #endif
   sa.sin_addr.s_addr = dst_ipv4;
   sa.sin_port = htons (dport);
-#if DEBUG_NAT
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Sending TCP message to `%s'\n",
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending TCP message to `%s'\n",
               GNUNET_a2s ((struct sockaddr *) &sa, sizeof (sa)));
-#endif
   if ((GNUNET_OK !=
-       GNUNET_NETWORK_socket_connect (s,
-                                      (const struct sockaddr *) &sa,
+       GNUNET_NETWORK_socket_connect (s, (const struct sockaddr *) &sa,
                                       sizeof (sa))) && (errno != EINPROGRESS))
   {
     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "connect");
@@ -171,8 +162,8 @@ try_send_tcp (uint32_t dst_ipv4, uint16_t dport, uint16_t data)
 /**
  * Try to send 'data' to the
  * IP 'dst_ipv4' at port 'dport' via UDP.
- * 
- * @param dst_ivp4 target IP
+ *
+ * @param dst_ipv4 target IP
  * @param dport target port
  * @param data data to send
  */
@@ -195,15 +186,11 @@ try_send_udp (uint32_t dst_ipv4, uint16_t dport, uint16_t data)
 #endif
   sa.sin_addr.s_addr = dst_ipv4;
   sa.sin_port = htons (dport);
-#if DEBUG_NAT
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Sending UDP packet to `%s'\n",
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending UDP packet to `%s'\n",
               GNUNET_a2s ((struct sockaddr *) &sa, sizeof (sa)));
-#endif
-  if (-1 == GNUNET_NETWORK_socket_sendto (s,
-                                          &data, sizeof (data),
-                                          (const struct sockaddr *) &sa,
-                                          sizeof (sa)))
+  if (-1 ==
+      GNUNET_NETWORK_socket_sendto (s, &data, sizeof (data),
+                                    (const struct sockaddr *) &sa, sizeof (sa)))
     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "sendto");
   GNUNET_NETWORK_socket_close (s);
 }
@@ -212,22 +199,19 @@ try_send_udp (uint32_t dst_ipv4, uint16_t dport, uint16_t data)
 /**
  * We've received a request to probe a NAT
  * traversal. Do it.
- * 
+ *
  * @param cls unused
  * @param client handle to client (we always close)
  * @param msg message with details about what to test
  */
 static void
-test (void *cls,
-      struct GNUNET_SERVER_Client *client,
+test (void *cls, struct GNUNET_SERVER_Client *client,
       const struct GNUNET_MessageHeader *msg)
 {
   const struct GNUNET_NAT_TestMessage *tm;
   uint16_t dport;
 
-#if DEBUG_NAT
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received test request\n");
-#endif
   tm = (const struct GNUNET_NAT_TestMessage *) msg;
   dport = ntohs (tm->dport);
   if (0 == dport)
@@ -243,7 +227,7 @@ test (void *cls,
 /**
  * Task run during shutdown.
  *
- * @param ctx unused
+ * @param cls unused
  * @param tc scheduler context
  */
 static void
@@ -263,9 +247,8 @@ shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @param c configuration
  */
 static void
-run (void *cls,
-     char *const *args,
-     const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *c)
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *c)
 {
   static const struct GNUNET_SERVER_MessageHandler handlers[] = {
     {&test, NULL, GNUNET_MESSAGE_TYPE_NAT_TEST,
@@ -288,10 +271,10 @@ run (void *cls,
   };
 
   cfg = c;
-  if ((args[0] == NULL) ||
-      (1 != SSCANF (args[0], "%u", &port)) || (0 == port) || (65536 <= port))
+  if ((args[0] == NULL) || (1 != SSCANF (args[0], "%u", &port)) || (0 == port)
+      || (65536 <= port))
   {
-    fprintf (stderr,
+    FPRINTF (stderr,
              _
              ("Please pass valid port number as the first argument! (got `%s')\n"),
              args[0]);
@@ -307,12 +290,12 @@ run (void *cls,
   in4.sin_len = sizeof (in4);
   in6.sin6_len = sizeof (in6);
 #endif
-  server = GNUNET_SERVER_create (NULL, NULL,
-                                 (struct sockaddr * const *) sa,
-                                 slen, GNUNET_TIME_UNIT_SECONDS, GNUNET_YES);
+  server =
+      GNUNET_SERVER_create (NULL, NULL, (struct sockaddr * const *) sa, slen,
+                            GNUNET_TIME_UNIT_SECONDS, GNUNET_YES);
   GNUNET_SERVER_add_handlers (server, handlers);
-  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
-                                &shutdown_task, NULL);
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+                                NULL);
 }
 
 
@@ -330,12 +313,18 @@ main (int argc, char *const argv[])
     GNUNET_GETOPT_OPTION_END
   };
 
+  if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+    return 2;
+
   if (GNUNET_OK !=
-      GNUNET_PROGRAM_run (argc, argv,
-                          "gnunet-nat-server [options] PORT",
-                          _("GNUnet NAT traversal test helper daemon"),
-                          options, &run, NULL))
+      GNUNET_PROGRAM_run (argc, argv, "gnunet-nat-server [options] PORT",
+                          _("GNUnet NAT traversal test helper daemon"), options,
+                          &run, NULL))
+  {
+    GNUNET_free ((void*) argv);
     return 1;
+  }
+  GNUNET_free ((void*) argv);
   return 0;
 }