eibd/server/b-EIBNETIPTUNNEL.h

   1 /*
   2     EIBD eib bus access and management daemon
   3     Copyright (C) 2005-2011 Martin Koegler <mkoegler@auto.tuwien.ac.at>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #ifndef C_EIBNETIPTUNNEL_H
  21 #define C_EIBNETIPTUNNEL_H
  22
  23 #include <stdlib.h>
  24 #include "eibnettunnel.h"
  25
  26 #define EIBNETIPTUNNEL_URL "ipt:router-ip[:dest-port[:src-port[:nat-ip[:data-port]]]]]\n"
  27 #define EIBNETIPTUNNEL_DOC "ipt connects with the EIBnet/IP Tunneling protocol over an EIBnet/IP gateway. The gateway must be so configured, that it routes the necessary addresses\n\n"
  28
  29 #define EIBNETIPTUNNEL_PREFIX "ipt"
  30 #define EIBNETIPTUNNEL_CREATE eibnetiptunnel_Create
  31 #define EIBNETIPTUNNEL_CLEANUP NULL
  32
  33 #define EIBNETIPTUNNELNAT_URL "iptn:router-ip[:dest-port[:src-port]]\n"
  34 #define EIBNETIPTUNNELNAT_DOC "iptn connects with the EIBnet/IP Tunneling protocol over an EIBnet/IP gateway using the NAT mode\n\n"
  35
  36 #define EIBNETIPTUNNELNAT_PREFIX "iptn"
  37 #define EIBNETIPTUNNELNAT_CREATE eibnetiptunnelnat_Create
  38 #define EIBNETIPTUNNELNAT_CLEANUP NULL
  39
  40
  41 inline Layer2Interface *
  42 eibnetiptunnel_Create (const char *dev, int flags, Trace * t)
  43 {
  44   char *a = strdup (dev);
  45   char *b;
  46   char *c;
  47   char *d = 0;
  48   char *e;
  49   int dport;
  50   int dataport = -1;
  51   int sport;
  52   Layer2Interface *iface;
  53   if (!a)
  54     die ("out of memory");
  55   for (b = a; *b; b++)
  56     if (*b == ':')
  57       break;
  58   sport = 3672;
  59   if (*b == ':')
  60     {
  61       *b = 0;
  62       for (c = b + 1; *c; c++)
  63         if (*c == ':')
  64           break;
  65       if (*c == ':')
  66         {
  67           *c = 0;
  68           for (d = c + 1; *d; d++)
  69             if (*d == ':')
  70               break;
  71           if (*d == ':')
  72             {
  73               for (e = d + 1; *e; e++)
  74                 if (*e == ':')
  75                   break;
  76               if (*e == ':')
  77                 dataport = atoi (e + 1);
  78               *e = 0;
  79               d++;
  80             }
  81           else
  82             d = 0;
  83
  84           sport = atoi (c + 1);
  85         }
  86       dport = atoi (b + 1);
  87     }
  88   else
  89     dport = 3671;
  90
  91   iface = new EIBNetIPTunnel (a, dport, sport, d, dataport, flags, t);
  92   free (a);
  93   return iface;
  94 }
  95
  96 inline Layer2Interface *
  97 eibnetiptunnelnat_Create (const char *dev, int flags, Trace * t)
  98 {
  99   char *a = strdup (dev);
 100   char *b;
 101   char *c;
 102   int dport;
 103   int sport;
 104   Layer2Interface *iface;
 105   if (!a)
 106     die ("out of memory");
 107   for (b = a; *b; b++)
 108     if (*b == ':')
 109       break;
 110   sport = 3672;
 111   if (*b == ':')
 112     {
 113       *b = 0;
 114       for (c = b + 1; *c; c++)
 115         if (*c == ':')
 116           break;
 117       if (*c == ':')
 118         {
 119           *c = 0;
 120           sport = atoi (c + 1);
 121         }
 122       dport = atoi (b + 1);
 123     }
 124   else
 125     dport = 3671;
 126
 127   iface = new EIBNetIPTunnel (a, dport, sport, "0.0.0.0", -1, flags, t);
 128   free (a);
 129   return iface;
 130 }
 131
 132
 133 #endif