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utils: Add very limited support for mount rules

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Bug: https://bugs.launchpad.net/bugs/1294825

This patch is inspired by sbeattie's patch to add limited dbus rule
support. It adds does very dumb parsing of mount rules. Basically, it
stores mount, remount, and umount rules as raw strings wrapped in a
class.

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Steve Beattie <steve@nxnw.org>
Acked-by: Christian Boltz <apparmor@cboltz.de>
This commit is contained in:
Tyler Hicks
2014-03-20 14:25:42 -05:00
parent 5dce40c97f
commit e5d9d541f6
3 changed files with 131 additions and 0 deletions
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70
utils/test/test-mount_parse.py Normal file
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#! /usr/bin/env python
# ------------------------------------------------------------------
#
# Copyright (C) 2014 Canonical Ltd.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License published by the Free Software Foundation.
#
# ------------------------------------------------------------------
import apparmor.aa as aa
import unittest
class AAParseMountTest(unittest.TestCase):
def test_parse_plain_mount_rule(self):
rule = 'mount,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
def test_parse_ro_mount(self):
rule = 'mount -o ro,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
def test_parse_rw_mount_with_mount_points(self):
rule = 'mount -o rw /dev/sdb1 -> /mnt/external,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
class AAParseRemountTest(unittest.TestCase):
def test_parse_plain_remount_rule(self):
rule = 'remount,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
def test_parse_ro_remount(self):
rule = 'remount -o ro,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
def test_parse_ro_remount_with_mount_point(self):
rule = 'remount -o ro /,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
class AAParseUmountTest(unittest.TestCase):
def test_parse_plain_umount_rule(self):
rule = 'umount,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
def test_parse_umount_with_mount_point(self):
rule = 'umount /mnt/external,'
mount = aa.parse_mount_rule(rule)
self.assertEqual(rule, mount.serialize(),
'mount object returned "%s", expected "%s"' % (mount.serialize(), rule))
if __name__ == '__main__':
unittest.main()