airsnort-0.2.7

AirSnort is a wireless LAN (WLAN) tool which recovers encryption keys. AirSnort operates by passively monitoring transmissions, computing the encryption key when enough packets have been gathered.

/*
    This file is part of AirSnort.

    AirSnort is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License or
    （at your option） any later version.

    AirSnort is distributed in the hope that it will be useful
      but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with AirSnort; if not write to the Free Software
    Foundation Inc. 59 Temple Place Suite 330 Boston MA  02111-1307  USA
*/


#include 
#include 
#ifndef WIN32
#include 
#else
#include 
#endif
#include 
#include “bssidlist.h“
#include “crc-32.h“
#include “capture.h“
#include “crack.h“
#include “utils.h“

BssidList *head = 0;
BssidList *tail = 0;

extern int listCount;

void addKorekIV（BssidList *apNode PacketInfo *pi）;

BssidList *bssidFind（const unsigned char *bssid） {
   BssidList *temp = head;
   for （; temp; temp = temp->next） {
      if （!memcmp（temp->bssid bssid 6）） {
         break;
      }
   }
   return temp;
}

BssidList *rowFind（int row） {
   BssidList *temp = head;
   for （; temp; temp = temp->next） {
      if （row == temp->rownum） {
         break;
      }
   }
   return temp;
}

//the capture thread runs through here to see if it should try a new crack.
//A terminating crack thread also runs through here to see if enough new packets
//have been added to warrent starting a new thread.
void checkThread（BssidList *apNode） {
#ifndef WIN32
   sem_wait（&apNode->crackSem）;
   if （（apNode->crackerThread == 0） && （（apNode->queueLen > 9） || （apNode->newBreadth））） {
      pthread_create（&apNode->crackerThread NULL cracker apNode->ap）;
   }
   sem_post（&apNode->crackSem）;
#else
   WaitForSingleobject（apNode->crackSem INFINITE）;
   if （（apNode->crackerThread == 0） && （（apNode->queueLen > 9） || （apNode->newBreadth））） {
      apNode->crackerThread = CreateThread（NULL 0 cracker apNode->ap 0 NULL）;
   }
   ReleaseSemaphore（apNode->crackSem 1 NULL）;
#endif
}

//ap should be a valid BssidList node or NULL
void addPacket（BssidList *apNode PacketInfo *pi int isData） {
   if （!apNode） {
      apNode = bssidFind（pi->bssid）;
      if （!apNode） {   
         apNode = addBssid（pi）;
      }
   }
   if （apNode->ap->cracked） return;   //save time if ap is already cracked
   if （!apNode->usingWep && pi->wep） {
      addWep（apNode）;
   }
   if （pi->channel > 0） {
      apNode->channel = pi->channel;
   }
   if （apNode->usingWep && isData） {
      memcpy（apNode->lastiv pi->iv 3）;
      apNode->numEncrypted++;
      if （pi->pack） {
         enqueuePacket（apNode->ap pi->pack）;
         checkThread（apNode）;
      }
      addKorekIV（apNode pi）;
   }
   apNode->lastSeen = pi->rxTime;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-05-31 03:05  airsnort-0.2.7\airsnort-0.2.7\
     文件         142  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\acconfig.h
     文件       44214  2004-12-19 19:33  airsnort-0.2.7\airsnort-0.2.7\aclocal.m4
     文件       45249  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\airsnort.glade
     文件         320  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\airsnort.gladep
     文件          91  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\AUTHORS
     目录           0  2010-05-31 03:05  airsnort-0.2.7\airsnort-0.2.7\bin\
     文件      143418  2004-12-19 19:29  airsnort-0.2.7\airsnort-0.2.7\bin\airsnort.exe
     文件         189  2004-12-19 19:34  airsnort-0.2.7\airsnort-0.2.7\bin\airsnort.exe.asc
     文件        6143  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\ChangeLog
     文件         775  2004-12-19 19:33  airsnort-0.2.7\airsnort-0.2.7\config.h.in
     文件      197834  2004-12-19 19:33  airsnort-0.2.7\airsnort-0.2.7\configure
     文件         402  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\configure.in
     文件       18005  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\COPYING
     文件       15205  2004-09-29 13:15  airsnort-0.2.7\airsnort-0.2.7\depcomp
     文件       12288  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\faq.txt
     文件          97  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\INSTALL
     文件        9206  2004-09-29 13:15  airsnort-0.2.7\airsnort-0.2.7\install-sh
     文件         753  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\Makefile.am
     文件       19052  2004-12-19 19:33  airsnort-0.2.7\airsnort-0.2.7\Makefile.in
     目录           0  2010-05-31 03:05  airsnort-0.2.7\airsnort-0.2.7\man\
     文件        6401  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\man\airsnort.1
     文件        3667  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\man\decrypt.1
     文件        2572  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\man\gencases.1
     文件         130  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\man\Makefile.am
     文件        9651  2004-12-19 19:33  airsnort-0.2.7\airsnort-0.2.7\man\Makefile.in
     文件       10587  2004-09-29 13:15  airsnort-0.2.7\airsnort-0.2.7\missing
     文件         118  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\NEWS
     文件        7031  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\README
     文件        1979  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\README.decrypt
     文件        1795  2004-12-19 19:28  airsnort-0.2.7\airsnort-0.2.7\README.win
............此处省略39个文件信息