Home | History | Annotate | Download | only in security_mprotect 
      1 #!/usr/bin/python
      2 #
      3 # Copyright 2015 The Chromium Authors. All rights reserved.
      4 # Use of this source code is governed by a BSD-style license that can be
      5 # found in the LICENSE file.
      6 
      7 import logging, os, tempfile
      8 from autotest_lib.client.bin import test, utils
      9 from autotest_lib.client.common_lib import error
     10 
     11 class security_mprotect(test.test):
     12     """
     13     Verify mprotect of PROT_EXEC works on noexec mounts.
     14     """
     15     version = 1
     16     executable = 'prot_exec'
     17 
     18 
     19     def setup(self):
     20         os.chdir(self.srcdir)
     21         utils.make(self.executable)
     22 
     23 
     24     def run_once(self):
     25         with tempfile.NamedTemporaryFile(prefix='%s-' % (self.executable),
     26                                          dir='/run', delete=True) as temp:
     27             temp_file_name = temp.name
     28 
     29         r = utils.run("%s/%s %s" % (self.srcdir, self.executable,
     30                                     temp_file_name),
     31                       stdout_tee=utils.TEE_TO_LOGS,
     32                       stderr_tee=utils.TEE_TO_LOGS,
     33                       ignore_status=True)
     34         if r.exit_status != 0 or len(r.stderr) > 0:
     35             raise error.TestFail(r.stderr)
     36         if 'skipping' in r.stdout:
     37             logging.debug(r.stdout)
     38             return
     39         if 'pass' not in r.stdout:
     40             raise error.TestFail(r.stdout)
     41