alttracermac80211.cc

/*
 * Copyright (c) 2007 Regents of the SIGNET lab, University of Padova.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University of Padova (SIGNET lab) nor the 
 *    names of its contributors may be used to endorse or promote products 
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sap.h>
#include <address.h>
#include <mac.h>
#include <mac-802_11.h>
#include <packettracer.h>

class AltTracerMac80211 : public Tracer
{
public:
  AltTracerMac80211();
  
  void format(Packet *p, SAP *sap);
  
};


AltTracerMac80211::AltTracerMac80211() : Tracer(2) {}

void AltTracerMac80211::format(Packet *p, SAP *sap)
{
  struct hdr_mac802_11 *mh = HDR_MAC802_11(p);
  hdr_cmn *ch = hdr_cmn::access(p);

  u_int32_t src = ETHER_ADDR(mh->dh_ta); 
  u_int32_t dst = ETHER_ADDR(mh->dh_ra);
        
  u_int8_t  type = mh->dh_fc.fc_type;
  u_int8_t  subtype = mh->dh_fc.fc_subtype;

  char* typestr;
  char* subtypestr;

  switch(type) 
    {
    case MAC_Type_Management:
      typestr = "MGMT";
      subtypestr = "";
      break;

    case MAC_Type_Control:
      typestr = "CTRL";
      switch(subtype) 
        {
        case MAC_Subtype_RTS:
          subtypestr = "RTS";
          break;
        case MAC_Subtype_CTS:
          subtypestr = "CTS";
          break;
        case MAC_Subtype_ACK:
          subtypestr = "ACK";
          break;
        default:
          subtypestr = NULL;
          break;
        }
      break;

    case MAC_Type_Data:
      typestr = "DATA";
      switch(subtype) 
        {
        case MAC_Subtype_Data:
          subtypestr = "";
          break;
        default:
          subtypestr = NULL;
          break;
        }
      break;
      
    default:
      typestr = NULL;
    }   

        
  if (typestr && subtypestr)
    {
      writeTrace(sap, " --MAC-- %d -> %d %s %s ",
                 src,
                 dst,
                 typestr,
                 subtypestr);
    }
}


extern "C" int Alttracermac_Init()
{
  /*
   * Put here all the commands which must be execute when the library
   * is loaded (i.e. TCL script execution)  
   * Remember to return 0 if all is OK, otherwise return 1
  */
        
        SAP::addTracer(new AltTracerMac80211);
        return 0;
}
extern "C" int  Cygalttracermac_Init()
{
  Alttracermac_Init();
}

---