pyrit -r handshake-00\:1B\:11\:36\:6A\:B1.cap attack_db
Pyrit 0.4.0 (C) 2008-2011 Lukas Lueg http://pyrit.googlecode.com
This code is distributed under the GNU General Public License v3+

Connecting to storage at 'file://'...  connected.
Parsing file 'handshake-00:1B:11:36:6A:B1.cap' (1/1)...
Traceback (most recent call last):
  File "/usr/local/bin/pyrit", line 6, in 
  pyrit_cli.Pyrit_CLI().initFromArgv()
  File "/usr/local/lib/python2.7/dist-packages/pyrit_cli.py", line 115, in initFromArgv
  func(self, **options)
  File "/usr/local/lib/python2.7/dist-packages/pyrit_cli.py", line 163, in new_f
  f(*args, **kwds)
  File "/usr/local/lib/python2.7/dist-packages/pyrit_cli.py", line 1041, in attack_db
  ap = self._fuzzyGetAP(self._getParser(capturefile), bssid, essid)
  File "/usr/local/lib/python2.7/dist-packages/pyrit_cli.py", line 179, in _getParser
  parser.parse_pcapdevice(dev)
  File "/usr/local/lib/python2.7/dist-packages/cpyrit/pckttools.py", line 600, in parse_pcapdevice
  for pckt in reader:
  File "/usr/local/lib/python2.7/dist-packages/cpyrit/pckttools.py", line 500, in next
  pckt = self.read()
  File "/usr/local/lib/python2.7/dist-packages/cpyrit/pckttools.py", line 488, in read
  r = _cpyrit_cpu.PcapDevice.read(self)
IOError: libpcap-error while reading: truncated dump file; tried to read 587 captured bytes, only got 127