content: import os as o
  import subprocess as subp
  
  # Vulnerable to wildcard injection
  o.system("/bin/tar xvzf *")
  o.system('/bin/chown *')
  o.popen2('/bin/chmod *')
  subp.Popen('/bin/chown *', shell=True)
  
  # Not vulnerable to wildcard injection
  subp.Popen('/bin/rsync *')
  subp.Popen("/bin/chmod *")
  subp.Popen(['/bin/chown', '*'])
  subp.Popen(["/bin/chmod", sys.argv[1], "*"],
                   stdin=subprocess.PIPE, stdout=subprocess.PIPE)
  o.spawnvp(os.P_WAIT, 'tar', ['tar', 'xvzf', '*'])
  