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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; |