]> de.git.xonotic.org Git - xonotic/darkplaces.git/commitdiff
fixed forged packet identification to only care about address (not port) and do so...
authorhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Wed, 4 Jun 2003 19:26:35 +0000 (19:26 +0000)
committerhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Wed, 4 Jun 2003 19:26:35 +0000 (19:26 +0000)
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3067 d7cf8633-e32d-0410-b094-e92efae38249

net_dgrm.c

index 5c8fb3a7158a43cde9834c4c07b82bb3be46da25..53ab0bdac3a5c207374190f57b35cc987c758b45 100644 (file)
@@ -81,8 +81,8 @@ struct
        qbyte                   data[MAX_DATAGRAM];
 } packetBuffer;
 
-
-//#ifdef DEBUG
+/*
+#ifdef DEBUG
 char *StrAddr (struct qsockaddr *addr)
 {
        static char buf[34];
@@ -93,7 +93,8 @@ char *StrAddr (struct qsockaddr *addr)
                sprintf (buf + n * 2, "%02x", *p++);
        return buf;
 }
-//#endif
+#endif
+*/
 
 
 #ifdef BAN_TEST
@@ -318,6 +319,7 @@ int Datagram_GetMessage (qsocket_t *sock)
        struct qsockaddr readaddr;
        unsigned int    sequence;
        unsigned int    count;
+       int                             temp;
 
        if (!sock->canSend)
                if ((net_time - sock->lastSendTime) > 1.0)
@@ -336,12 +338,25 @@ int       Datagram_GetMessage (qsocket_t *sock)
                        return -1;
                }
 
-               if (sfunc.AddrCompare(&readaddr, &sock->addr) != 0)
+               if ((temp = sfunc.AddrCompare(&readaddr, &sock->addr)) != 0)
                {
-                       Con_DPrintf("Forged packet received\n");
-                       Con_DPrintf("Expected: %s\n", StrAddr (&sock->addr));
-                       Con_DPrintf("Received: %s\n", StrAddr (&readaddr));
-                       continue;
+                       char tempaddress1[64], tempaddress2[64];
+                       if (temp == 1)
+                       {
+                               if (developer_networking.integer)
+                               {
+                                       dfunc.GetNameFromAddr (&sock->addr, tempaddress1);
+                                       dfunc.GetNameFromAddr (&readaddr, tempaddress2);
+                                       Con_Printf("Packet from wrong port received but accepted (Expected: %s Received: %s)\n", tempaddress1, tempaddress2);
+                               }
+                       }
+                       else
+                       {
+                               dfunc.GetNameFromAddr (&sock->addr, tempaddress1);
+                               dfunc.GetNameFromAddr (&readaddr, tempaddress2);
+                               Con_Printf("Forged packet received (Expected: %s Received: %s)\n", tempaddress1, tempaddress2);
+                               continue;
+                       }
                }
 
                if (length < NET_HEADERSIZE)
@@ -1284,7 +1299,6 @@ static qsocket_t *_Datagram_Connect (const char *host)
 {
        struct qsockaddr sendaddr;
        struct qsockaddr readaddr;
-       struct qsockaddr testaddr;
        qsocket_t       *sock;
        int                     newsock;
        int                     ret;
@@ -1335,13 +1349,12 @@ static qsocket_t *_Datagram_Connect (const char *host)
                                // is it from the right place?
                                // we don't care if the port matches (this adds support for
                                // the NAT fix in the server inspired by faded)
-                               memcpy(&testaddr, &sendaddr, sizeof(struct qsockaddr));
-                               dfunc.SetSocketPort (&testaddr, dfunc.GetSocketPort(&readaddr));
-                               if (sfunc.AddrCompare(&readaddr, &testaddr) != 0)
+                               if (sfunc.AddrCompare(&readaddr, &sendaddr) < 0)
                                {
-                                       Con_Printf("wrong reply address\n");
-                                       Con_Printf("Expected: %s\n", StrAddr (&sendaddr));
-                                       Con_Printf("Received: %s\n", StrAddr (&readaddr));
+                                       char tempaddress1[64], tempaddress2[64];
+                                       dfunc.GetNameFromAddr (&sendaddr, tempaddress1);
+                                       dfunc.GetNameFromAddr (&readaddr, tempaddress2);
+                                       Con_Printf("wrong reply address (Expected: %s Received: %s)\n", tempaddress1, tempaddress2);
                                        CL_UpdateScreen ();
                                        CL_UpdateScreen ();
                                        ret = 0;