diff options
Diffstat (limited to 'tests/44-live-a2_order.py')
-rwxr-xr-x | tests/44-live-a2_order.py | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/tests/44-live-a2_order.py b/tests/44-live-a2_order.py new file mode 100755 index 0000000..4bd56a1 --- /dev/null +++ b/tests/44-live-a2_order.py @@ -0,0 +1,107 @@ +#!/usr/bin/env python + +# +# Seccomp Library test program +# +# Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved. +# Author: Tom Hromatka <tom.hromatka@oracle.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 * + +DEFAULT_ACTION_ERRNO = 100 +DEFAULT_ACTION = ERRNO(DEFAULT_ACTION_ERRNO) + +test_cases = [ + {'sz': 1, 'exp_rc': 1}, + {'sz': 10, 'exp_rc': 10}, + {'sz': 50, 'exp_rc': 50}, + {'sz': 100, 'exp_rc': -DEFAULT_ACTION_ERRNO}, + {'sz': 200, 'exp_rc': -5}, + {'sz': 256, 'exp_rc': -5}, + {'sz': 257, 'exp_rc': -6}, + {'sz': 400, 'exp_rc': -6}, + {'sz': 800, 'exp_rc': -7}, + {'sz': 1600, 'exp_rc': -8}, + {'sz': 3200, 'exp_rc': -9}, + {'sz': 4095, 'exp_rc': -9}, + {'sz': 4096, 'exp_rc': -9}, + {'sz': 4097, 'exp_rc': -10}, + {'sz': 8000, 'exp_rc': -10}, + {'sz': 8192, 'exp_rc': -10}, + {'sz': 16383, 'exp_rc': -11}, + {'sz': 16384, 'exp_rc': -11}, + {'sz': 16385, 'exp_rc': -12}, + {'sz': 35000, 'exp_rc': -12}, +] + +def do_read(): + fd = os.open("/dev/zero", os.O_RDONLY) + for x in test_cases: + try: + os.read(fd, x['sz']) + if x['exp_rc'] < 0: + os.close(fd) + raise IOError("Erroneously read %d bytes. Expected rc = %d" % + (x['sz'], x['exp_rc'])) + except OSError as ex: + if -ex.errno != x['exp_rc']: + os.close(fd) + raise IOError("Expected errno %d but os.read(%d bytes) caused errno %d" % + (-x['exp_rc'], x['sz'], ex.errno)) + os.close(fd) + +def test(): + f = SyscallFilter(DEFAULT_ACTION) + f.add_rule(ALLOW, "read", Arg(2, LE, 64)) + f.add_rule(ERRNO(5), "read", Arg(2, GT, 128)) + f.add_rule(ERRNO(6), "read", Arg(2, GT, 256)) + f.add_rule(ERRNO(7), "read", Arg(2, GT, 512)) + f.add_rule(ERRNO(8), "read", Arg(2, GT, 1024)) + f.add_rule(ERRNO(9), "read", Arg(2, GT, 2048)) + f.add_rule(ERRNO(10), "read", Arg(2, GT, 4096)) + f.add_rule(ERRNO(11), "read", Arg(2, GT, 8192)) + f.add_rule(ERRNO(12), "read", Arg(2, GT, 16384)) + # NOTE: additional syscalls required for python + 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, "exit") + f.add_rule(ALLOW, "brk") + f.add_rule(ALLOW, "open") + f.add_rule(ALLOW, "openat") + f.add_rule(ALLOW, "stat") + f.add_rule(ALLOW, "write") + f.load() + + do_read() + + # all reads behaved as expected + quit(160) + +test() + +# kate: syntax python; +# kate: indent-mode python; space-indent on; indent-width 4; mixedindent off; |