Merge branch 'master' of ssh://gnunet.org/gnunet

[oweals/gnunet.git] / src / nat / gnunet-helper-nat-client-windows.c

diff --git a/src/nat/gnunet-helper-nat-client-windows.c b/src/nat/gnunet-helper-nat-client-windows.c
index 9121e794334d9b48e767a7f8fcba5d642f6beffe..622f8c961f8aed0909f6502fad8ede3c185194be 100644 (file)
--- a/src/nat/gnunet-helper-nat-client-windows.c
+++ b/src/nat/gnunet-helper-nat-client-windows.c
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2010 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2010 GNUnet e.V.
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -14,8 +14,8 @@
 
      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.
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
 */
 
 /**
@@ -42,6 +42,8 @@
  * - Nathan Evans
  */
 #define _GNU_SOURCE
+/* Instead of including gnunet_common.h */
+#define GNUNET_memcpy(dst,src,n) do { if (0 != n) { (void) memcpy (dst,src,n); } } while (0)
 
 #define FD_SETSIZE 1024
 #include <winsock2.h>
@@ -168,7 +170,7 @@ struct udp_header
 };
 
 /**
- * Will this binary be run in permissions testing mode? 
+ * Will this binary be run in permissions testing mode?
  */
 static boolean privilege_testing = FALSE;
 
@@ -265,14 +267,14 @@ send_icmp_udp (const struct in_addr *my_ip, const struct in_addr *other)
   ip_pkt.dst_ip = other->s_addr;
   ip_pkt.checksum =
       htons (calc_checksum ((uint16_t *) & ip_pkt, sizeof (struct ip_header)));
-  memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
+  GNUNET_memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
   off += sizeof (struct ip_header);
 
   icmp_pkt.type = ICMP_TIME_EXCEEDED;
   icmp_pkt.code = 0;
   icmp_pkt.checksum = 0;
   icmp_pkt.unused = 0;
-  memcpy (&packet[off], &icmp_pkt, sizeof (struct icmp_ttl_exceeded_header));
+  GNUNET_memcpy (&packet[off], &icmp_pkt, sizeof (struct icmp_ttl_exceeded_header));
   off += sizeof (struct icmp_ttl_exceeded_header);
 
   /* ip header of the presumably 'lost' udp packet */
@@ -289,7 +291,7 @@ send_icmp_udp (const struct in_addr *my_ip, const struct in_addr *other)
   ip_pkt.dst_ip = dummy.s_addr;
   ip_pkt.checksum =
       htons (calc_checksum ((uint16_t *) & ip_pkt, sizeof (struct ip_header)));
-  memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
+  GNUNET_memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
   off += sizeof (struct ip_header);
 
   /* build UDP header */
@@ -297,7 +299,7 @@ send_icmp_udp (const struct in_addr *my_ip, const struct in_addr *other)
   udp_pkt.dst_port = htons (NAT_TRAV_PORT);
   udp_pkt.length = htons (port);
   udp_pkt.crc = 0;
-  memcpy (&packet[off], &udp_pkt, sizeof (struct udp_header));
+  GNUNET_memcpy (&packet[off], &udp_pkt, sizeof (struct udp_header));
   off += sizeof (struct udp_header);
 
   /* no go back to calculate ICMP packet checksum */
@@ -306,7 +308,7 @@ send_icmp_udp (const struct in_addr *my_ip, const struct in_addr *other)
              ((uint16_t *) & packet[off],
               sizeof (struct icmp_ttl_exceeded_header) +
               sizeof (struct ip_header) + sizeof (struct udp_header)));
-  memcpy (&packet[sizeof (struct ip_header)], &icmp_pkt,
+  GNUNET_memcpy (&packet[sizeof (struct ip_header)], &icmp_pkt,
           sizeof (struct icmp_ttl_exceeded_header));
 
   memset (&dst, 0, sizeof (dst));
@@ -359,7 +361,7 @@ send_icmp (const struct in_addr *my_ip, const struct in_addr *other)
   ip_pkt.dst_ip = other->s_addr;
   ip_pkt.checksum =
       htons (calc_checksum ((uint16_t *) & ip_pkt, sizeof (struct ip_header)));
-  memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
+  GNUNET_memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
   off += sizeof (ip_pkt);
 
   /* icmp reply: time exceeded */
@@ -367,7 +369,7 @@ send_icmp (const struct in_addr *my_ip, const struct in_addr *other)
   icmp_ttl.code = 0;
   icmp_ttl.checksum = 0;
   icmp_ttl.unused = 0;
-  memcpy (&packet[off], &icmp_ttl, sizeof (struct icmp_ttl_exceeded_header));
+  GNUNET_memcpy (&packet[off], &icmp_ttl, sizeof (struct icmp_ttl_exceeded_header));
   off += sizeof (struct icmp_ttl_exceeded_header);
 
   /* ip header of the presumably 'lost' udp packet */
@@ -384,7 +386,7 @@ send_icmp (const struct in_addr *my_ip, const struct in_addr *other)
   ip_pkt.checksum = 0;
   ip_pkt.checksum =
       htons (calc_checksum ((uint16_t *) & ip_pkt, sizeof (struct ip_header)));
-  memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
+  GNUNET_memcpy (&packet[off], &ip_pkt, sizeof (struct ip_header));
   off += sizeof (struct ip_header);
 
   icmp_echo.type = ICMP_ECHO;
@@ -394,7 +396,7 @@ send_icmp (const struct in_addr *my_ip, const struct in_addr *other)
   icmp_echo.checksum =
       htons (calc_checksum
              ((uint16_t *) & icmp_echo, sizeof (struct icmp_echo_header)));
-  memcpy (&packet[off], &icmp_echo, sizeof (struct icmp_echo_header));
+  GNUNET_memcpy (&packet[off], &icmp_echo, sizeof (struct icmp_echo_header));
 
   /* no go back to calculate ICMP packet checksum */
   off = sizeof (struct ip_header);
@@ -403,7 +405,7 @@ send_icmp (const struct in_addr *my_ip, const struct in_addr *other)
              ((uint16_t *) & packet[off],
               sizeof (struct icmp_ttl_exceeded_header) +
               sizeof (struct ip_header) + sizeof (struct icmp_echo_header)));
-  memcpy (&packet[off], &icmp_ttl, sizeof (struct icmp_ttl_exceeded_header));
+  GNUNET_memcpy (&packet[off], &icmp_ttl, sizeof (struct icmp_ttl_exceeded_header));
 
   memset (&dst, 0, sizeof (dst));
   dst.sin_family = AF_INET;
@@ -468,10 +470,10 @@ main (int argc, char *const *argv)
   struct in_addr target;
   WSADATA wsaData;
   unsigned int p;
-  
+
   if (argc > 1 && 0 != strcmp (argv[1], "-d")){
       privilege_testing = TRUE;
-      fprintf (stderr, 
+      fprintf (stderr,
               "%s",
               "DEBUG: Running binary in privilege testing mode.");
       argv++;
@@ -489,14 +491,14 @@ main (int argc, char *const *argv)
       (1 != inet_pton (AF_INET, argv[2], &target)))
   {
     fprintf (stderr,
-            "Error parsing IPv4 address: %s\n", 
+            "Error parsing IPv4 address: %s\n",
             strerror (errno));
     return 1;
   }
   if ((1 != sscanf (argv[3], "%u", &p)) || (0 == p) || (0xFFFF < p))
   {
-    fprintf (stderr, 
-            "Error parsing port value `%s'\n", 
+    fprintf (stderr,
+            "Error parsing port value `%s'\n",
             argv[3]);
     return 1;
   }
@@ -504,14 +506,14 @@ main (int argc, char *const *argv)
 
   if (0 != WSAStartup (MAKEWORD (2, 1), &wsaData))
   {
-    fprintf (stderr, 
+    fprintf (stderr,
             "%s",
             "Failed to find Winsock 2.1 or better.\n");
     return 2;
   }
   if (1 != inet_pton (AF_INET, DUMMY_IP, &dummy))
   {
-    fprintf (stderr, 
+    fprintf (stderr,
             "%s",
             "Internal error converting dummy IP to binary.\n");
     return 2;
@@ -522,7 +524,7 @@ main (int argc, char *const *argv)
     send_icmp (&external, &target);
     send_icmp_udp (&external, &target);
   }
-  closesocket (rawsock); 
+  closesocket (rawsock);
   WSACleanup ();
   return 0;
 }