0e62293a43
Replace the following items with Python 3 style code. - six.moves - six.StringIO Change-Id: Ie06dc3b6cc5a3d88defa4fdfd071ed2c9dcfb1d0
675 lines
28 KiB
Python
675 lines
28 KiB
Python
# Copyright 2011 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import configparser
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import logging
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import logging.handlers
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import os
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import tempfile
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from unittest import mock
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import uuid
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import fixtures
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import testtools
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from oslo_rootwrap import cmd
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from oslo_rootwrap import daemon
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from oslo_rootwrap import filters
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from oslo_rootwrap import subprocess
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from oslo_rootwrap import wrapper
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class RootwrapLoaderTestCase(testtools.TestCase):
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def test_privsep_in_loader(self):
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privsep = ["privsep-helper", "--context", "foo"]
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filterlist = wrapper.load_filters([])
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# mock out get_exec because
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with mock.patch.object(filters.CommandFilter, 'get_exec') as ge:
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ge.return_value = "/fake/privsep-helper"
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filtermatch = wrapper.match_filter(filterlist, privsep)
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self.assertIsNotNone(filtermatch)
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self.assertEqual(["/fake/privsep-helper", "--context", "foo"],
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filtermatch.get_command(privsep))
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def test_strict_switched_off_in_configparser(self):
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temp_dir = self.useFixture(fixtures.TempDir()).path
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os.mkdir(os.path.join(temp_dir, 'nested'))
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temp_file = os.path.join(temp_dir, 'test.conf')
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f = open(temp_file, 'w')
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f.write("""[Filters]
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privsep: PathFilter, privsep-helper, root
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privsep: PathFilter, privsep-helper, root
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""")
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f.close()
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filterlist = wrapper.load_filters([temp_dir])
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self.assertIsNotNone(filterlist)
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class RootwrapTestCase(testtools.TestCase):
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if os.path.exists('/sbin/ip'):
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_ip = '/sbin/ip'
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else:
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_ip = '/bin/ip'
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def setUp(self):
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super(RootwrapTestCase, self).setUp()
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self.filters = [
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filters.RegExpFilter("/bin/ls", "root", 'ls', '/[a-z]+'),
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filters.CommandFilter("/usr/bin/foo_bar_not_exist", "root"),
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filters.RegExpFilter("/bin/cat", "root", 'cat', '/[a-z]+'),
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filters.CommandFilter("/nonexistent/cat", "root"),
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filters.CommandFilter("/bin/cat", "root") # Keep this one last
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]
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def test_CommandFilter(self):
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f = filters.CommandFilter("sleep", 'root', '10')
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self.assertFalse(f.match(["sleep2"]))
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# verify that any arguments are accepted
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self.assertTrue(f.match(["sleep"]))
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self.assertTrue(f.match(["sleep", "anything"]))
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self.assertTrue(f.match(["sleep", "10"]))
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f = filters.CommandFilter("sleep", 'root')
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self.assertTrue(f.match(["sleep", "10"]))
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def test_empty_commandfilter(self):
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f = filters.CommandFilter("sleep", "root")
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self.assertFalse(f.match([]))
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self.assertFalse(f.match(None))
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def test_empty_regexpfilter(self):
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f = filters.RegExpFilter("sleep", "root", "sleep")
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self.assertFalse(f.match([]))
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self.assertFalse(f.match(None))
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def test_empty_invalid_regexpfilter(self):
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f = filters.RegExpFilter("sleep", "root")
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self.assertFalse(f.match(["anything"]))
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self.assertFalse(f.match([]))
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def test_RegExpFilter_match(self):
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usercmd = ["ls", "/root"]
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filtermatch = wrapper.match_filter(self.filters, usercmd)
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self.assertFalse(filtermatch is None)
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self.assertEqual(["/bin/ls", "/root"],
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filtermatch.get_command(usercmd))
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def test_RegExpFilter_reject(self):
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usercmd = ["ls", "root"]
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self.assertRaises(wrapper.NoFilterMatched,
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wrapper.match_filter, self.filters, usercmd)
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def test_missing_command(self):
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valid_but_missing = ["foo_bar_not_exist"]
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invalid = ["foo_bar_not_exist_and_not_matched"]
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self.assertRaises(wrapper.FilterMatchNotExecutable,
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wrapper.match_filter,
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self.filters, valid_but_missing)
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self.assertRaises(wrapper.NoFilterMatched,
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wrapper.match_filter, self.filters, invalid)
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def _test_EnvFilter_as_DnsMasq(self, config_file_arg):
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usercmd = ['env', config_file_arg + '=A', 'NETWORK_ID=foobar',
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'dnsmasq', 'foo']
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f = filters.EnvFilter("env", "root", config_file_arg + '=A',
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'NETWORK_ID=', "/usr/bin/dnsmasq")
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self.assertTrue(f.match(usercmd))
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self.assertEqual(['/usr/bin/dnsmasq', 'foo'], f.get_command(usercmd))
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env = f.get_environment(usercmd)
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self.assertEqual('A', env.get(config_file_arg))
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self.assertEqual('foobar', env.get('NETWORK_ID'))
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def test_EnvFilter(self):
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envset = ['A=/some/thing', 'B=somethingelse']
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envcmd = ['env'] + envset
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realcmd = ['sleep', '10']
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usercmd = envcmd + realcmd
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f = filters.EnvFilter("env", "root", "A=", "B=ignored", "sleep")
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# accept with leading env
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self.assertTrue(f.match(envcmd + ["sleep"]))
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# accept without leading env
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self.assertTrue(f.match(envset + ["sleep"]))
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# any other command does not match
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self.assertFalse(f.match(envcmd + ["sleep2"]))
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self.assertFalse(f.match(envset + ["sleep2"]))
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# accept any trailing arguments
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self.assertTrue(f.match(usercmd))
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# require given environment variables to match
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self.assertFalse(f.match([envcmd, 'C=ELSE']))
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self.assertFalse(f.match(['env', 'C=xx']))
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self.assertFalse(f.match(['env', 'A=xx']))
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# require env command to be given
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# (otherwise CommandFilters should match
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self.assertFalse(f.match(realcmd))
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# require command to match
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self.assertFalse(f.match(envcmd))
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self.assertFalse(f.match(envcmd[1:]))
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# ensure that the env command is stripped when executing
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self.assertEqual(realcmd, f.exec_args(usercmd))
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env = f.get_environment(usercmd)
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# check that environment variables are set
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self.assertEqual('/some/thing', env.get('A'))
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self.assertEqual('somethingelse', env.get('B'))
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self.assertNotIn('sleep', env.keys())
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def test_EnvFilter_without_leading_env(self):
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envset = ['A=/some/thing', 'B=somethingelse']
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envcmd = ['env'] + envset
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realcmd = ['sleep', '10']
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f = filters.EnvFilter("sleep", "root", "A=", "B=ignored")
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# accept without leading env
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self.assertTrue(f.match(envset + ["sleep"]))
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self.assertEqual(realcmd, f.get_command(envcmd + realcmd))
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self.assertEqual(realcmd, f.get_command(envset + realcmd))
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env = f.get_environment(envset + realcmd)
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# check that environment variables are set
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self.assertEqual('/some/thing', env.get('A'))
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self.assertEqual('somethingelse', env.get('B'))
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self.assertNotIn('sleep', env.keys())
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def test_KillFilter(self):
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if not os.path.exists("/proc/%d" % os.getpid()):
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self.skipTest("Test requires /proc filesystem (procfs)")
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p = subprocess.Popen(["cat"], stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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try:
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f = filters.KillFilter("root", "/bin/cat", "-9", "-HUP")
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f2 = filters.KillFilter("root", "/usr/bin/cat", "-9", "-HUP")
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usercmd = ['kill', '-ALRM', p.pid]
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# Incorrect signal should fail
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self.assertFalse(f.match(usercmd) or f2.match(usercmd))
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usercmd = ['kill', p.pid]
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# Providing no signal should fail
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self.assertFalse(f.match(usercmd) or f2.match(usercmd))
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# Providing matching signal should be allowed
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usercmd = ['kill', '-9', p.pid]
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self.assertTrue(f.match(usercmd) or f2.match(usercmd))
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f = filters.KillFilter("root", "/bin/cat")
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f2 = filters.KillFilter("root", "/usr/bin/cat")
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usercmd = ['kill', os.getpid()]
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# Our own PID does not match /bin/sleep, so it should fail
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self.assertFalse(f.match(usercmd) or f2.match(usercmd))
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usercmd = ['kill', 999999]
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# Nonexistent PID should fail
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self.assertFalse(f.match(usercmd) or f2.match(usercmd))
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usercmd = ['kill', p.pid]
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# Providing no signal should work
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self.assertTrue(f.match(usercmd) or f2.match(usercmd))
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# verify that relative paths are matched against $PATH
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f = filters.KillFilter("root", "cat")
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# Our own PID does not match so it should fail
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usercmd = ['kill', os.getpid()]
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self.assertFalse(f.match(usercmd))
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# Filter should find cat in /bin or /usr/bin
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usercmd = ['kill', p.pid]
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self.assertTrue(f.match(usercmd))
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# Filter shouldn't be able to find binary in $PATH, so fail
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with fixtures.EnvironmentVariable("PATH", "/foo:/bar"):
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self.assertFalse(f.match(usercmd))
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# ensure that unset $PATH is not causing an exception
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with fixtures.EnvironmentVariable("PATH"):
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self.assertFalse(f.match(usercmd))
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finally:
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# Terminate the "cat" process and wait for it to finish
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p.terminate()
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p.wait()
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def test_KillFilter_no_raise(self):
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"""Makes sure ValueError from bug 926412 is gone."""
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f = filters.KillFilter("root", "")
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# Providing anything other than kill should be False
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usercmd = ['notkill', 999999]
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self.assertFalse(f.match(usercmd))
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# Providing something that is not a pid should be False
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usercmd = ['kill', 'notapid']
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self.assertFalse(f.match(usercmd))
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# no arguments should also be fine
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self.assertFalse(f.match([]))
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self.assertFalse(f.match(None))
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def test_KillFilter_deleted_exe(self):
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"""Makes sure deleted exe's are killed correctly."""
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command = "/bin/commandddddd"
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f = filters.KillFilter("root", command)
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usercmd = ['kill', 1234]
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# Providing no signal should work
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with mock.patch('os.readlink') as readlink:
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readlink.return_value = command + ' (deleted)'
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with mock.patch('os.path.isfile') as exists:
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def fake_exists(path):
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return path == command
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exists.side_effect = fake_exists
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self.assertTrue(f.match(usercmd))
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@mock.patch('os.readlink')
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@mock.patch('os.path.isfile')
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def test_KillFilter_upgraded_exe(self, mock_isfile, mock_readlink):
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"""Makes sure upgraded exe's are killed correctly."""
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f = filters.KillFilter("root", "/bin/commandddddd")
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command = "/bin/commandddddd"
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usercmd = ['kill', 1234]
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def fake_exists(path):
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return path == command
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mock_readlink.return_value = command + '\0\05190bfb2 (deleted)'
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mock_isfile.side_effect = fake_exists
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self.assertTrue(f.match(usercmd))
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@mock.patch('os.readlink')
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@mock.patch('os.path.isfile')
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@mock.patch('os.path.exists')
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@mock.patch('os.access')
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def test_KillFilter_renamed_exe(self, mock_access, mock_exists,
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mock_isfile, mock_readlink):
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"""Makes sure renamed exe's are killed correctly."""
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command = "/bin/commandddddd"
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f = filters.KillFilter("root", command)
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usercmd = ['kill', 1234]
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def fake_os_func(path, *args):
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return path == command
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mock_readlink.return_value = command + ';90bfb2 (deleted)'
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m = mock.mock_open(read_data=command)
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with mock.patch("builtins.open", m, create=True):
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mock_isfile.side_effect = fake_os_func
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mock_exists.side_effect = fake_os_func
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mock_access.side_effect = fake_os_func
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self.assertTrue(f.match(usercmd))
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def test_ReadFileFilter(self):
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goodfn = '/good/file.name'
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f = filters.ReadFileFilter(goodfn)
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usercmd = ['cat', '/bad/file']
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self.assertFalse(f.match(['cat', '/bad/file']))
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usercmd = ['cat', goodfn]
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self.assertEqual(['/bin/cat', goodfn], f.get_command(usercmd))
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self.assertTrue(f.match(usercmd))
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def test_IpFilter_non_netns(self):
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f = filters.IpFilter(self._ip, 'root')
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self.assertTrue(f.match(['ip', 'link', 'list']))
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self.assertTrue(f.match(['ip', '-s', 'link', 'list']))
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self.assertTrue(f.match(['ip', '-s', '-v', 'netns', 'add']))
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self.assertTrue(f.match(['ip', 'link', 'set', 'interface',
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'netns', 'somens']))
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def test_IpFilter_netns(self):
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f = filters.IpFilter(self._ip, 'root')
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self.assertFalse(f.match(['ip', 'netns', 'exec', 'foo']))
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self.assertFalse(f.match(['ip', 'netns', 'exec']))
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self.assertFalse(f.match(['ip', '-s', 'netns', 'exec']))
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self.assertFalse(f.match(['ip', '-l', '42', 'netns', 'exec']))
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self.assertFalse(f.match(['ip', 'net', 'exec', 'foo']))
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self.assertFalse(f.match(['ip', 'netns', 'e', 'foo']))
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def _test_IpFilter_netns_helper(self, action):
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f = filters.IpFilter(self._ip, 'root')
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self.assertTrue(f.match(['ip', 'link', action]))
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def test_IpFilter_netns_add(self):
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self._test_IpFilter_netns_helper('add')
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def test_IpFilter_netns_delete(self):
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self._test_IpFilter_netns_helper('delete')
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def test_IpFilter_netns_list(self):
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self._test_IpFilter_netns_helper('list')
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def test_IpNetnsExecFilter_match(self):
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f = filters.IpNetnsExecFilter(self._ip, 'root')
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self.assertTrue(
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f.match(['ip', 'netns', 'exec', 'foo', 'ip', 'link', 'list']))
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self.assertTrue(f.match(['ip', 'net', 'exec', 'foo', 'bar']))
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self.assertTrue(f.match(['ip', 'netn', 'e', 'foo', 'bar']))
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self.assertTrue(f.match(['ip', 'net', 'e', 'foo', 'bar']))
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self.assertTrue(f.match(['ip', 'net', 'exe', 'foo', 'bar']))
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def test_IpNetnsExecFilter_nomatch(self):
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f = filters.IpNetnsExecFilter(self._ip, 'root')
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self.assertFalse(f.match(['ip', 'link', 'list']))
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self.assertFalse(f.match(['ip', 'foo', 'bar', 'netns']))
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self.assertFalse(f.match(['ip', '-s', 'netns', 'exec']))
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self.assertFalse(f.match(['ip', '-l', '42', 'netns', 'exec']))
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self.assertFalse(f.match(['ip', 'netns exec', 'foo', 'bar', 'baz']))
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self.assertFalse(f.match([]))
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# verify that at least a NS is given
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self.assertFalse(f.match(['ip', 'netns', 'exec']))
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def test_IpNetnsExecFilter_nomatch_nonroot(self):
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f = filters.IpNetnsExecFilter(self._ip, 'user')
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self.assertFalse(
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f.match(['ip', 'netns', 'exec', 'foo', 'ip', 'link', 'list']))
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def test_match_filter_recurses_exec_command_filter_matches(self):
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filter_list = [filters.IpNetnsExecFilter(self._ip, 'root'),
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filters.IpFilter(self._ip, 'root')]
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args = ['ip', 'netns', 'exec', 'foo', 'ip', 'link', 'list']
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self.assertIsNotNone(wrapper.match_filter(filter_list, args))
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def test_match_filter_recurses_exec_command_matches_user(self):
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filter_list = [filters.IpNetnsExecFilter(self._ip, 'root'),
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filters.IpFilter(self._ip, 'user')]
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args = ['ip', 'netns', 'exec', 'foo', 'ip', 'link', 'list']
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# Currently ip netns exec requires root, so verify that
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# no non-root filter is matched, as that would escalate privileges
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self.assertRaises(wrapper.NoFilterMatched,
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wrapper.match_filter, filter_list, args)
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def test_match_filter_recurses_exec_command_filter_does_not_match(self):
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filter_list = [filters.IpNetnsExecFilter(self._ip, 'root'),
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filters.IpFilter(self._ip, 'root')]
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args = ['ip', 'netns', 'exec', 'foo', 'ip', 'netns', 'exec', 'bar',
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'ip', 'link', 'list']
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self.assertRaises(wrapper.NoFilterMatched,
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wrapper.match_filter, filter_list, args)
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def test_ChainingRegExpFilter_match(self):
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filter_list = [filters.ChainingRegExpFilter('nice', 'root',
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'nice', r'-?\d+'),
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filters.CommandFilter('cat', 'root')]
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args = ['nice', '5', 'cat', '/a']
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dirs = ['/bin', '/usr/bin']
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self.assertIsNotNone(wrapper.match_filter(filter_list, args, dirs))
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def test_ChainingRegExpFilter_not_match(self):
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filter_list = [filters.ChainingRegExpFilter('nice', 'root',
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'nice', r'-?\d+'),
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filters.CommandFilter('cat', 'root')]
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args_invalid = (['nice', '5', 'ls', '/a'],
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['nice', '--5', 'cat', '/a'],
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['nice2', '5', 'cat', '/a'],
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['nice', 'cat', '/a'],
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['nice', '5'])
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dirs = ['/bin', '/usr/bin']
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for args in args_invalid:
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self.assertRaises(wrapper.NoFilterMatched,
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wrapper.match_filter, filter_list, args, dirs)
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def test_ChainingRegExpFilter_multiple(self):
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filter_list = [filters.ChainingRegExpFilter('ionice', 'root', 'ionice',
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'-c[0-3]'),
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filters.ChainingRegExpFilter('ionice', 'root', 'ionice',
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'-c[0-3]', '-n[0-7]'),
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filters.CommandFilter('cat', 'root')]
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# both filters match to ['ionice', '-c2'], but only the second accepts
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args = ['ionice', '-c2', '-n7', 'cat', '/a']
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dirs = ['/bin', '/usr/bin']
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self.assertIsNotNone(wrapper.match_filter(filter_list, args, dirs))
|
|
|
|
def test_ReadFileFilter_empty_args(self):
|
|
goodfn = '/good/file.name'
|
|
f = filters.ReadFileFilter(goodfn)
|
|
self.assertFalse(f.match([]))
|
|
self.assertFalse(f.match(None))
|
|
|
|
def test_exec_dirs_search(self):
|
|
# This test supposes you have /bin/cat or /usr/bin/cat locally
|
|
f = filters.CommandFilter("cat", "root")
|
|
usercmd = ['cat', '/f']
|
|
self.assertTrue(f.match(usercmd))
|
|
self.assertTrue(f.get_command(usercmd,
|
|
exec_dirs=['/bin', '/usr/bin'])
|
|
in (['/bin/cat', '/f'], ['/usr/bin/cat', '/f']))
|
|
|
|
def test_skips(self):
|
|
# Check that all filters are skipped and that the last matches
|
|
usercmd = ["cat", "/"]
|
|
filtermatch = wrapper.match_filter(self.filters, usercmd)
|
|
self.assertTrue(filtermatch is self.filters[-1])
|
|
|
|
def test_RootwrapConfig(self):
|
|
raw = configparser.RawConfigParser()
|
|
|
|
# Empty config should raise configparser.Error
|
|
self.assertRaises(configparser.Error,
|
|
wrapper.RootwrapConfig, raw)
|
|
|
|
# Check default values
|
|
raw.set('DEFAULT', 'filters_path', '/a,/b')
|
|
config = wrapper.RootwrapConfig(raw)
|
|
self.assertEqual(['/a', '/b'], config.filters_path)
|
|
self.assertEqual(os.environ["PATH"].split(':'), config.exec_dirs)
|
|
|
|
with fixtures.EnvironmentVariable("PATH"):
|
|
c = wrapper.RootwrapConfig(raw)
|
|
self.assertEqual([], c.exec_dirs)
|
|
|
|
self.assertFalse(config.use_syslog)
|
|
self.assertEqual(logging.handlers.SysLogHandler.LOG_SYSLOG,
|
|
config.syslog_log_facility)
|
|
self.assertEqual(logging.ERROR, config.syslog_log_level)
|
|
|
|
# Check general values
|
|
raw.set('DEFAULT', 'exec_dirs', '/a,/x')
|
|
config = wrapper.RootwrapConfig(raw)
|
|
self.assertEqual(['/a', '/x'], config.exec_dirs)
|
|
|
|
raw.set('DEFAULT', 'use_syslog', 'oui')
|
|
self.assertRaises(ValueError, wrapper.RootwrapConfig, raw)
|
|
raw.set('DEFAULT', 'use_syslog', 'true')
|
|
config = wrapper.RootwrapConfig(raw)
|
|
self.assertTrue(config.use_syslog)
|
|
|
|
raw.set('DEFAULT', 'syslog_log_facility', 'moo')
|
|
self.assertRaises(ValueError, wrapper.RootwrapConfig, raw)
|
|
raw.set('DEFAULT', 'syslog_log_facility', 'local0')
|
|
config = wrapper.RootwrapConfig(raw)
|
|
self.assertEqual(logging.handlers.SysLogHandler.LOG_LOCAL0,
|
|
config.syslog_log_facility)
|
|
raw.set('DEFAULT', 'syslog_log_facility', 'LOG_AUTH')
|
|
config = wrapper.RootwrapConfig(raw)
|
|
self.assertEqual(logging.handlers.SysLogHandler.LOG_AUTH,
|
|
config.syslog_log_facility)
|
|
|
|
raw.set('DEFAULT', 'syslog_log_level', 'bar')
|
|
self.assertRaises(ValueError, wrapper.RootwrapConfig, raw)
|
|
raw.set('DEFAULT', 'syslog_log_level', 'INFO')
|
|
config = wrapper.RootwrapConfig(raw)
|
|
self.assertEqual(logging.INFO, config.syslog_log_level)
|
|
|
|
def test_getlogin(self):
|
|
with mock.patch('os.getlogin') as os_getlogin:
|
|
os_getlogin.return_value = 'foo'
|
|
self.assertEqual('foo', wrapper._getlogin())
|
|
|
|
def test_getlogin_bad(self):
|
|
with mock.patch('os.getenv') as os_getenv:
|
|
with mock.patch('os.getlogin') as os_getlogin:
|
|
os_getenv.side_effect = [None, None, 'bar']
|
|
os_getlogin.side_effect = OSError(
|
|
'[Errno 22] Invalid argument')
|
|
self.assertEqual('bar', wrapper._getlogin())
|
|
os_getlogin.assert_called_once_with()
|
|
self.assertEqual(3, os_getenv.call_count)
|
|
|
|
|
|
class PathFilterTestCase(testtools.TestCase):
|
|
def setUp(self):
|
|
super(PathFilterTestCase, self).setUp()
|
|
|
|
self.tmp_root_dir = tempfile.mkdtemp()
|
|
tmpdir = fixtures.TempDir(self.tmp_root_dir)
|
|
self.useFixture(tmpdir)
|
|
|
|
self.f = filters.PathFilter('/bin/chown', 'root', 'nova', tmpdir.path)
|
|
|
|
gen_name = lambda: str(uuid.uuid4())
|
|
|
|
self.SIMPLE_FILE_WITHIN_DIR = os.path.join(tmpdir.path, 'some')
|
|
self.SIMPLE_FILE_OUTSIDE_DIR = os.path.join(self.tmp_root_dir, 'some')
|
|
self.TRAVERSAL_WITHIN_DIR = os.path.join(tmpdir.path, 'a', '..',
|
|
'some')
|
|
self.TRAVERSAL_OUTSIDE_DIR = os.path.join(tmpdir.path, '..', 'some')
|
|
|
|
self.TRAVERSAL_SYMLINK_WITHIN_DIR = os.path.join(tmpdir.path,
|
|
gen_name())
|
|
os.symlink(os.path.join(tmpdir.path, 'a', '..', 'a'),
|
|
self.TRAVERSAL_SYMLINK_WITHIN_DIR)
|
|
|
|
self.TRAVERSAL_SYMLINK_OUTSIDE_DIR = os.path.join(tmpdir.path,
|
|
gen_name())
|
|
os.symlink(os.path.join(tmpdir.path, 'a', '..', '..', '..', 'etc'),
|
|
self.TRAVERSAL_SYMLINK_OUTSIDE_DIR)
|
|
|
|
self.SYMLINK_WITHIN_DIR = os.path.join(tmpdir.path, gen_name())
|
|
os.symlink(os.path.join(tmpdir.path, 'a'), self.SYMLINK_WITHIN_DIR)
|
|
|
|
self.SYMLINK_OUTSIDE_DIR = os.path.join(tmpdir.path, gen_name())
|
|
os.symlink(os.path.join(self.tmp_root_dir, 'some_file'),
|
|
self.SYMLINK_OUTSIDE_DIR)
|
|
|
|
def test_empty_args(self):
|
|
self.assertFalse(self.f.match([]))
|
|
self.assertFalse(self.f.match(None))
|
|
|
|
def test_argument_pass_constraint(self):
|
|
f = filters.PathFilter('/bin/chown', 'root', 'pass', 'pass')
|
|
|
|
args = ['chown', 'something', self.SIMPLE_FILE_OUTSIDE_DIR]
|
|
self.assertTrue(f.match(args))
|
|
|
|
def test_argument_equality_constraint(self):
|
|
temp_file_path = os.path.join(self.tmp_root_dir, 'spam/eggs')
|
|
f = filters.PathFilter('/bin/chown', 'root', 'nova', temp_file_path)
|
|
|
|
args = ['chown', 'nova', temp_file_path]
|
|
self.assertTrue(f.match(args))
|
|
|
|
args = ['chown', 'quantum', temp_file_path]
|
|
self.assertFalse(f.match(args))
|
|
|
|
def test_wrong_arguments_number(self):
|
|
args = ['chown', '-c', 'nova', self.SIMPLE_FILE_WITHIN_DIR]
|
|
self.assertFalse(self.f.match(args))
|
|
|
|
def test_wrong_exec_command(self):
|
|
args = ['wrong_exec', self.SIMPLE_FILE_WITHIN_DIR]
|
|
self.assertFalse(self.f.match(args))
|
|
|
|
def test_match(self):
|
|
args = ['chown', 'nova', self.SIMPLE_FILE_WITHIN_DIR]
|
|
self.assertTrue(self.f.match(args))
|
|
|
|
def test_match_traversal(self):
|
|
args = ['chown', 'nova', self.TRAVERSAL_WITHIN_DIR]
|
|
self.assertTrue(self.f.match(args))
|
|
|
|
def test_match_symlink(self):
|
|
args = ['chown', 'nova', self.SYMLINK_WITHIN_DIR]
|
|
self.assertTrue(self.f.match(args))
|
|
|
|
def test_match_traversal_symlink(self):
|
|
args = ['chown', 'nova', self.TRAVERSAL_SYMLINK_WITHIN_DIR]
|
|
self.assertTrue(self.f.match(args))
|
|
|
|
def test_reject(self):
|
|
args = ['chown', 'nova', self.SIMPLE_FILE_OUTSIDE_DIR]
|
|
self.assertFalse(self.f.match(args))
|
|
|
|
def test_reject_traversal(self):
|
|
args = ['chown', 'nova', self.TRAVERSAL_OUTSIDE_DIR]
|
|
self.assertFalse(self.f.match(args))
|
|
|
|
def test_reject_symlink(self):
|
|
args = ['chown', 'nova', self.SYMLINK_OUTSIDE_DIR]
|
|
self.assertFalse(self.f.match(args))
|
|
|
|
def test_reject_traversal_symlink(self):
|
|
args = ['chown', 'nova', self.TRAVERSAL_SYMLINK_OUTSIDE_DIR]
|
|
self.assertFalse(self.f.match(args))
|
|
|
|
def test_get_command(self):
|
|
args = ['chown', 'nova', self.SIMPLE_FILE_WITHIN_DIR]
|
|
expected = ['/bin/chown', 'nova', self.SIMPLE_FILE_WITHIN_DIR]
|
|
|
|
self.assertEqual(expected, self.f.get_command(args))
|
|
|
|
def test_get_command_traversal(self):
|
|
args = ['chown', 'nova', self.TRAVERSAL_WITHIN_DIR]
|
|
expected = ['/bin/chown', 'nova',
|
|
os.path.realpath(self.TRAVERSAL_WITHIN_DIR)]
|
|
|
|
self.assertEqual(expected, self.f.get_command(args))
|
|
|
|
def test_get_command_symlink(self):
|
|
args = ['chown', 'nova', self.SYMLINK_WITHIN_DIR]
|
|
expected = ['/bin/chown', 'nova',
|
|
os.path.realpath(self.SYMLINK_WITHIN_DIR)]
|
|
|
|
self.assertEqual(expected, self.f.get_command(args))
|
|
|
|
def test_get_command_traversal_symlink(self):
|
|
args = ['chown', 'nova', self.TRAVERSAL_SYMLINK_WITHIN_DIR]
|
|
expected = ['/bin/chown', 'nova',
|
|
os.path.realpath(self.TRAVERSAL_SYMLINK_WITHIN_DIR)]
|
|
|
|
self.assertEqual(expected, self.f.get_command(args))
|
|
|
|
|
|
class RunOneCommandTestCase(testtools.TestCase):
|
|
def _test_returncode_helper(self, returncode, expected):
|
|
with mock.patch.object(wrapper, 'start_subprocess') as mock_start:
|
|
with mock.patch('sys.exit') as mock_exit:
|
|
mock_start.return_value.wait.return_value = returncode
|
|
cmd.run_one_command(None, mock.Mock(), None, None)
|
|
mock_exit.assert_called_once_with(expected)
|
|
|
|
def test_positive_returncode(self):
|
|
self._test_returncode_helper(1, 1)
|
|
|
|
def test_negative_returncode(self):
|
|
self._test_returncode_helper(-1, 129)
|
|
|
|
|
|
class DaemonCleanupException(Exception):
|
|
pass
|
|
|
|
|
|
class DaemonCleanupTestCase(testtools.TestCase):
|
|
|
|
@mock.patch('os.chmod')
|
|
@mock.patch('shutil.rmtree')
|
|
@mock.patch('tempfile.mkdtemp')
|
|
@mock.patch('multiprocessing.managers.BaseManager.get_server',
|
|
side_effect=DaemonCleanupException)
|
|
def test_daemon_no_cleanup_for_uninitialized_server(self, gs, mkd, *args):
|
|
mkd.return_value = '/just_dir/123'
|
|
self.assertRaises(DaemonCleanupException, daemon.daemon_start,
|
|
config=None, filters=None)
|