old_contents: #!/usr/bin/env python
  
  #
  # Seccomp Library test program
  #
  # Copyright (c) 2013 Red Hat <pmoore@redhat.com>
  # Author: Paul Moore <paul@paul-moore.com>
  #
  
  #
  # This library is free software; you can redistribute it and/or modify it
  # under the terms of version 2.1 of the GNU Lesser General Public License as
  # published by the Free Software Foundation.
  #
  # This library 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 Lesser General Public License
  # for more details.
  #
  # You should have received a copy of the GNU Lesser General Public License
  # along with this library; if not, see <http://www.gnu.org/licenses>.
  #
  
  import argparse
  import os
  import sys
  
  import util
  
  from seccomp import *
  
  def test():
      action = util.parse_action(sys.argv[1])
      if not action == ALLOW:
          quit(1)
      util.install_trap()
  
      fd = os.open("/dev/null", os.O_WRONLY|os.O_CREAT)
  
      f = SyscallFilter(TRAP)
      # NOTE: additional syscalls required for python
      f.add_rule(ALLOW, "write", Arg(0, EQ, fd))
      f.add_rule(ALLOW, "close")
      f.add_rule(ALLOW, "rt_sigaction")
      f.add_rule(ALLOW, "rt_sigreturn")
      f.add_rule(ALLOW, "sigaltstack")
      f.add_rule(ALLOW, "exit_group")
      f.add_rule(ALLOW, "brk")
      f.load()
  
      try:
          if not os.write(fd, b"testing") == len("testing"):
              raise IOError("failed to write the full test string")
          quit(160)
      except OSError as ex:
          quit(ex.errno)
      os.close(fd)
  
  test()
  
  # kate: syntax python;
  # kate: indent-mode python; space-indent on; indent-width 4; mixedindent off;
  
new_contents: #!/usr/bin/env python
  
  #
  # Seccomp Library test program
  #
  # Copyright (c) 2013 Red Hat <pmoore@redhat.com>
  # Author: Paul Moore <paul@paul-moore.com>
  #
  
  #
  # This library is free software; you can redistribute it and/or modify it
  # under the terms of version 2.1 of the GNU Lesser General Public License as
  # published by the Free Software Foundation.
  #
  # This library 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 Lesser General Public License
  # for more details.
  #
  # You should have received a copy of the GNU Lesser General Public License
  # along with this library; if not, see <http://www.gnu.org/licenses>.
  #
  
  import argparse
  import os
  import sys
  
  import util
  
  from seccomp import *
  
  def test():
      action = util.parse_action(sys.argv[1])
      if not action == ALLOW:
          quit(1)
      util.install_trap()
  
      fd = os.open("/dev/null", os.O_WRONLY|os.O_CREAT)
  
      f = SyscallFilter(TRAP)
      # NOTE: additional syscalls required for python
      f.add_rule(ALLOW, "write", Arg(0, EQ, fd))
      f.add_rule(ALLOW, "close")
      f.add_rule(ALLOW, "munmap")
      f.add_rule(ALLOW, "rt_sigaction")
      f.add_rule(ALLOW, "rt_sigreturn")
      f.add_rule(ALLOW, "sigaltstack")
      f.add_rule(ALLOW, "exit_group")
      f.add_rule(ALLOW, "brk")
      f.load()
  
      try:
          if not os.write(fd, b"testing") == len("testing"):
              raise IOError("failed to write the full test string")
          quit(160)
      except OSError as ex:
          quit(ex.errno)
      os.close(fd)
  
  test()
  
  # kate: syntax python;
  # kate: indent-mode python; space-indent on; indent-width 4; mixedindent off;
  
subject: Allow munmap() syscall in Python test #24