libseccomp/tests/12-sim-basic_masked_ops.py

   1 #!/usr/bin/env python
   2
   3 #
   4 # Seccomp Library test program
   5 #
   6 # Copyright (c) 2012 Red Hat <pmoore@redhat.com>
   7 # Author: Paul Moore <paul@paul-moore.com>
   8 #
   9
  10 #
  11 # This library is free software; you can redistribute it and/or modify it
  12 # under the terms of version 2.1 of the GNU Lesser General Public License as
  13 # published by the Free Software Foundation.
  14 #
  15 # This library is distributed in the hope that it will be useful, but WITHOUT
  16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
  18 # for more details.
  19 #
  20 # You should have received a copy of the GNU Lesser General Public License
  21 # along with this library; if not, see <http://www.gnu.org/licenses>.
  22 #
  23
  24 import argparse
  25 import sys
  26
  27 import util
  28
  29 from seccomp import *
  30
  31 def test(args):
  32     f = SyscallFilter(KILL)
  33     # the syscall and argument numbers are all fake to make the test simpler
  34     f.add_rule_exactly(ALLOW, 1000,
  35                        Arg(0, EQ, 0),
  36                        Arg(1, EQ, 1),
  37                        Arg(2, EQ, 2))
  38     f.add_rule_exactly(ALLOW, 1000,
  39                        Arg(0, EQ, 0),
  40                        Arg(1, MASKED_EQ, 0x00ff, 1),
  41                        Arg(2, EQ, 2))
  42     f.add_rule_exactly(ALLOW, 1000,
  43                        Arg(0, EQ, 0),
  44                        Arg(1, MASKED_EQ, 0xffff, 11),
  45                        Arg(2, EQ, 2))
  46     f.add_rule_exactly(ALLOW, 1000,
  47                        Arg(0, EQ, 0),
  48                        Arg(1, MASKED_EQ, 0xffff, 111),
  49                        Arg(2, EQ, 2))
  50     f.add_rule_exactly(ALLOW, 1000,
  51                        Arg(0, EQ, 0),
  52                        Arg(1, MASKED_EQ, 0xff00, 1000),
  53                        Arg(2, EQ, 2))
  54     return f
  55
  56 args = util.get_opt()
  57 ctx = test(args)
  58 util.filter_output(args, ctx)
  59
  60 # kate: syntax python;
  61 # kate: indent-mode python; space-indent on; indent-width 4; mixedindent off;