| 1 | #!/usr/bin/env python |
| 2 | |
| 3 | # |
| 4 | # Seccomp Library test program |
| 5 | # |
| 6 | # Copyright (c) 2013 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 os |
| 26 | import sys |
| 27 | |
| 28 | import util |
| 29 | |
| 30 | from seccomp import * |
| 31 | |
| 32 | def test(): |
| 33 | action = util.parse_action(sys.argv[1]) |
| 34 | if not action == ALLOW: |
| 35 | quit(1) |
| 36 | util.install_trap() |
| 37 | |
| 38 | fd = os.open("/dev/null", os.O_WRONLY|os.O_CREAT, 0600) |
| 39 | |
| 40 | f = SyscallFilter(TRAP) |
| 41 | # NOTE: additional syscalls required for python |
| 42 | f.add_rule(ALLOW, "write", Arg(0, EQ, fd)) |
| 43 | f.add_rule(ALLOW, "close") |
| 44 | f.add_rule(ALLOW, "rt_sigaction") |
| 45 | f.add_rule(ALLOW, "rt_sigreturn") |
| 46 | f.add_rule(ALLOW, "exit_group") |
| 47 | f.add_rule(ALLOW, "brk") |
| 48 | f.load() |
| 49 | |
| 50 | try: |
| 51 | if not os.write(fd, "testing") == len("testing"): |
| 52 | raise IOError("failed to write the full test string") |
| 53 | quit(160) |
| 54 | except OSError as ex: |
| 55 | quit(ex.errno) |
| 56 | os.close(fd) |
| 57 | |
| 58 | test() |
| 59 | |
| 60 | # kate: syntax python; |
| 61 | # kate: indent-mode python; space-indent on; indent-width 4; mixedindent off; |