summaryrefslogtreecommitdiff
path: root/src/tests/pyhbac-test.py
blob: 5579180b0da764df3ff57b2a014dee4d211c6974 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
#!/usr/bin/python

import unittest
import sys
import os
import copy

srcdir = os.getenv('builddir')
if not srcdir:
    srcdir = "."
MODPATH = srcdir + "/.libs" #FIXME - is there a way to get this from libtool?

def compat_assertItemsEqual(this, expected_seq, actual_seq, msg=None):
    return this.assertEqual(sorted(expected_seq), sorted(actual_seq))

def compat_assertIsInstance(this, obj, cls, msg=None):
    return this.assertTrue(isinstance(obj, cls))

# add compat methods for old unittest.TestCase versions
# (python < 2.7, RHEL5 for instance)
if not hasattr(unittest.TestCase, "assertItemsEqual"):
    setattr(unittest.TestCase, "assertItemsEqual", compat_assertItemsEqual)
if not hasattr(unittest.TestCase, "assertIsInstance"):
    setattr(unittest.TestCase, "assertIsInstance", compat_assertIsInstance)

class PyHbacImport(unittest.TestCase):
    def setUp(self):
        " Make sure we load the in-tree module "
        self.system_path = sys.path[:]
        sys.path = [ MODPATH ]

    def tearDown(self):
        " Restore the system path "
        sys.path = self.system_path

    def testImport(self):
        " Import the module and assert it comes from tree "
        try:
            import pyhbac
        except ImportError, e:
            print >>sys.stderr, "Could not load the pyhbac module. Please check if it is compiled"
            raise e
        self.assertEqual(pyhbac.__file__, MODPATH + "/pyhbac.so")

class PyHbacRuleElementTest(unittest.TestCase):
    def testInstantiateEmpty(self):
        el = pyhbac.HbacRuleElement()
        self.assertItemsEqual(el.names, [])
        self.assertItemsEqual(el.groups, [])
        self.assertItemsEqual(el.category, set([pyhbac.HBAC_CATEGORY_NULL]))

    def testInit(self):
        names = [ "foo", "bar" ]
        el = pyhbac.HbacRuleElement(names=names)
        self.assertItemsEqual(el.names, names)

        groups = [ "abc", "def" ]
        el = pyhbac.HbacRuleElement(groups=groups)
        self.assertItemsEqual(el.groups, groups)

    def testGetSet(self):
        names = [ "foo", "bar" ]
        el = pyhbac.HbacRuleElement()
        self.assertItemsEqual(el.names, [])
        el.names = names
        self.assertItemsEqual(el.names, names)

        groups = [ "abc", "def" ]
        el = pyhbac.HbacRuleElement()
        self.assertItemsEqual(el.groups, [])
        el.groups = groups
        self.assertItemsEqual(el.groups, groups)

        # Test other iterables than list
        groups = ( "abc", "def" )
        el = pyhbac.HbacRuleElement()
        self.assertItemsEqual(el.groups, [])
        el.groups = groups
        self.assertItemsEqual(el.groups, groups)

    def testCategory(self):
        el = pyhbac.HbacRuleElement()
        assert pyhbac.HBAC_CATEGORY_NULL in el.category
        assert pyhbac.HBAC_CATEGORY_ALL not in el.category

        el.category.add(pyhbac.HBAC_CATEGORY_ALL)
        assert pyhbac.HBAC_CATEGORY_ALL in el.category

        el.category = set([pyhbac.HBAC_CATEGORY_ALL])
        assert pyhbac.HBAC_CATEGORY_ALL in el.category

        # negative tests
        self.assertRaises(TypeError, el.__setattr__, "category", [pyhbac.HBAC_CATEGORY_ALL])
        self.assertRaises(TypeError, el.__setattr__, "category", None)
        self.assertRaises(TypeError, el.__setattr__, "category", 1)

    def testNotIterable(self):
        self.assertRaises(TypeError, pyhbac.HbacRuleElement, names=123)
        self.assertRaises(TypeError, pyhbac.HbacRuleElement, names=None)

    def testRuleElementReference(self):
        def _get_rule():
            users = [ "foo", "bar" ]
            user_groups = [ "abc", "def" ]
            return pyhbac.HbacRuleElement(names=users, groups=user_groups)

        el = _get_rule()
        self.assertItemsEqual(el.names, [ "foo", "bar" ])
        self.assertItemsEqual(el.groups, [ "abc", "def" ])

    def testRepr(self):
        el = pyhbac.HbacRuleElement()
        self.assertEquals(el.__repr__(), u'<category 0 names [] groups []>')

        el.category.add(pyhbac.HBAC_CATEGORY_ALL)
        el.names = ['foo']
        el.groups = ['bar, baz']
        self.assertEquals(el.__repr__(), u'<category 1 names [foo] groups [bar, baz]>')
        

class PyHbacRuleTest(unittest.TestCase):
    def testRuleGetSetName(self):
        name = "testGetRule"
        new_name = "testGetNewRule"

        rule = pyhbac.HbacRule(name)
        self.assertEqual(rule.name, unicode(name))

        rule.name = new_name
        self.assertEqual(rule.name, unicode(new_name))

    def testRuleGetSetEnabled(self):
        rule = pyhbac.HbacRule("testRuleGetSetEnabled")

        rule.enabled = True
        self.assertEqual(rule.enabled, True)
        rule.enabled = False
        self.assertEqual(rule.enabled, False)

        rule.enabled = "TRUE"
        self.assertEqual(rule.enabled, True)
        rule.enabled = "FALSE"
        self.assertEqual(rule.enabled, False)

        rule.enabled = "true"
        self.assertEqual(rule.enabled, True)
        rule.enabled = "false"
        self.assertEqual(rule.enabled, False)

        rule.enabled = "True"
        self.assertEqual(rule.enabled, True)
        rule.enabled = "False"
        self.assertEqual(rule.enabled, False)

        rule.enabled = 1
        self.assertEqual(rule.enabled, True)
        rule.enabled = 0
        self.assertEqual(rule.enabled, False)

        # negative test
        self.assertRaises(TypeError, rule.__setattr__, "enabled", None)
        self.assertRaises(TypeError, rule.__setattr__, "enabled", [])
        self.assertRaises(ValueError, rule.__setattr__, "enabled", "foo")
        self.assertRaises(ValueError, rule.__setattr__, "enabled", 5)

    def testRuleElementInRule(self):
        users = [ "foo", "bar" ]
        user_groups = [ "abc", "def" ]

        # rule should contain empty elements after instantiation
        rule = pyhbac.HbacRule("testRuleElement")
        self.assertIsInstance(rule.users, pyhbac.HbacRuleElement)
        self.assertIsInstance(rule.services, pyhbac.HbacRuleElement)
        self.assertIsInstance(rule.targethosts, pyhbac.HbacRuleElement)
        self.assertIsInstance(rule.srchosts, pyhbac.HbacRuleElement)

        self.assertIsInstance(rule.users.names, list)
        self.assertIsInstance(rule.users.groups, list)
        self.assertItemsEqual(rule.users.names, [])
        self.assertItemsEqual(rule.users.groups, [])

        # Assign by copying a HbacRuleElement
        user_el = pyhbac.HbacRuleElement(names=users, groups=user_groups)
        rule = pyhbac.HbacRule("testRuleElement")
        rule.users = user_el
        self.assertItemsEqual(rule.users.names, users)
        self.assertItemsEqual(rule.users.groups, user_groups)

        # Assign directly
        rule = pyhbac.HbacRule("testRuleElement")
        rule.users.names = users
        rule.users.groups = user_groups
        self.assertItemsEqual(rule.users.names, users)
        self.assertItemsEqual(rule.users.groups, user_groups)

    def testRuleElementInRuleReference(self):
        " Test that references to RuleElement are kept even if element goes out of scope "
        def _get_rule():
            users = [ "foo", "bar" ]
            user_groups = [ "abc", "def" ]
            el = pyhbac.HbacRuleElement(names=users, groups=user_groups)
            rule = pyhbac.HbacRule("testRuleElement")
            rule.users = el
            return rule

        rule = _get_rule()
        self.assertItemsEqual(rule.users.names, [ "foo", "bar" ])
        self.assertItemsEqual(rule.users.groups, [ "abc", "def" ])

    def testRepr(self):
        r = pyhbac.HbacRule('foo')
        self.assertEqual(r.__repr__(), u"<name foo enabled 0 "
                                        "users <category 0 names [] groups []> "
                                        "services <category 0 names [] groups []> "
                                        "targethosts <category 0 names [] groups []> "
                                        "srchosts <category 0 names [] groups []>>")

        name = "someuser"
        service = "ssh"
        srchost = "host1"
        targethost = "host2"

        r.users.names = [ name ]
        r.services.names = [ service ]
        r.srchosts.names = [ srchost ]
        r.targethosts.names = [ targethost ]

        self.assertEqual(r.__repr__(), u"<name foo enabled 0 "
                                        "users <category 0 names [%s] groups []> "
                                        "services <category 0 names [%s] groups []> "
                                        "targethosts <category 0 names [%s] groups []> "
                                        "srchosts <category 0 names [%s] groups []>>" %
                                        (name, service, targethost, srchost))

    def testValidate(self):
        r = pyhbac.HbacRule('valid_rule')

        valid, missing = r.validate()
        self.assertEqual(valid, False)
        self.assertItemsEqual(missing, ( pyhbac.HBAC_RULE_ELEMENT_USERS,
                                         pyhbac.HBAC_RULE_ELEMENT_SERVICES,
                                         pyhbac.HBAC_RULE_ELEMENT_TARGETHOSTS,
                                         pyhbac.HBAC_RULE_ELEMENT_SOURCEHOSTS ))

        r.users.names = [ "someuser" ]
        r.services.names = [ "ssh" ]

        valid, missing = r.validate()
        self.assertEqual(valid, False)
        self.assertItemsEqual(missing, ( pyhbac.HBAC_RULE_ELEMENT_TARGETHOSTS,
                                         pyhbac.HBAC_RULE_ELEMENT_SOURCEHOSTS ))

        r.srchosts.names = [ "host1" ]
        r.targethosts.names = [ "host2" ]

        valid, missing = r.validate()
        self.assertEqual(valid, True)

class PyHbacRequestElementTest(unittest.TestCase):
    def testInstantiateEmpty(self):
        el = pyhbac.HbacRequestElement()
        self.assertItemsEqual(el.name, "")
        self.assertItemsEqual(el.groups, [])

    def testInit(self):
        name = "foo"
        el = pyhbac.HbacRequestElement(name=name)
        self.assertItemsEqual(el.name, name)

        groups = [ "abc", "def" ]
        el = pyhbac.HbacRequestElement(groups=groups)
        self.assertItemsEqual(el.groups, groups)

    def testGetSet(self):
        name = "foo"
        el = pyhbac.HbacRequestElement()
        self.assertItemsEqual(el.name, "")
        el.name = name
        self.assertItemsEqual(el.name, name)

        groups = [ "abc", "def" ]
        el = pyhbac.HbacRequestElement()
        self.assertItemsEqual(el.groups, [])
        el.groups = groups
        self.assertItemsEqual(el.groups, groups)

        # Test other iterables than list
        groups = ( "abc", "def" )
        el = pyhbac.HbacRequestElement()
        self.assertItemsEqual(el.groups, [])
        el.groups = groups
        self.assertItemsEqual(el.groups, groups)

    def testGroupsNotIterable(self):
        self.assertRaises(TypeError, pyhbac.HbacRequestElement, groups=None)
        self.assertRaises(TypeError, pyhbac.HbacRequestElement, groups=123)

    def testRepr(self):
        r = pyhbac.HbacRequestElement()
        self.assertEqual(r.__repr__(), u"<name  groups []>")

        r.name = 'foo'
        r.groups = ['bar', 'baz']
        self.assertEqual(r.__repr__(), u"<name foo groups [bar,baz]>")

class PyHbacRequestTest(unittest.TestCase):
    def testRequestElementHandling(self):
        name = "req_name"
        groups = [ "g1", "g2" ]

        # The request should be empty after instantiation
        req = pyhbac.HbacRequest()
        self.assertIsInstance(req.user, pyhbac.HbacRequestElement)
        self.assertIsInstance(req.service, pyhbac.HbacRequestElement)
        self.assertIsInstance(req.targethost, pyhbac.HbacRequestElement)
        self.assertIsInstance(req.srchost, pyhbac.HbacRequestElement)

        self.assertEqual(req.user.name, "")
        self.assertIsInstance(req.user.groups, list)
        self.assertItemsEqual(req.user.groups, [])

        # Assign by copying a HbacRequestElement
        user_el = pyhbac.HbacRequestElement(name=name, groups=groups)
        req = pyhbac.HbacRequest()
        req.user = user_el
        self.assertItemsEqual(req.user.name, name)
        self.assertItemsEqual(req.user.groups, groups)

        # Assign directly
        req = pyhbac.HbacRequest()
        req.user.name = name
        req.user.groups = groups
        self.assertItemsEqual(req.user.name, name)
        self.assertItemsEqual(req.user.groups, groups)

    def testRuleName(self):
        req = pyhbac.HbacRequest()
        self.assertEqual(req.rule_name, None)
        # python 2.4 raises TypError, 2.7 raises AttributeError
        self.assertRaises((TypeError, AttributeError), req.__setattr__, "rule_name", "foo")

    def testEvaluate(self):
        name = "someuser"
        service = "ssh"
        srchost = "host1"
        targethost = "host2"

        allow_rule = pyhbac.HbacRule("allowRule", enabled=True)
        allow_rule.users.names = [ name ]
        allow_rule.services.names = [ service ]
        allow_rule.srchosts.names = [ srchost ]
        allow_rule.targethosts.names = [ targethost ]

        req = pyhbac.HbacRequest()
        req.user.name = name
        req.service.name = service
        req.srchost.name = srchost
        req.targethost.name = targethost

        # Test that an allow rule on its own allows access
        res = req.evaluate((allow_rule,))
        self.assertEqual(res, pyhbac.HBAC_EVAL_ALLOW)
        self.assertEqual(req.rule_name, "allowRule")

        # Test that a user not in the rule is not allowed
        savename = req.user.name
        req.user.name = "someotheruser"
        res = req.evaluate((allow_rule, ))
        self.assertEqual(res, pyhbac.HBAC_EVAL_DENY)
        self.assertEqual(req.rule_name, None)

        # But allows if the rule is an ALL rule
        allow_rule.users.category.add(pyhbac.HBAC_CATEGORY_ALL)
        res = req.evaluate((allow_rule, ))
        self.assertEqual(res, pyhbac.HBAC_EVAL_ALLOW)

    def testRepr(self):
        name = "someuser"
        service = "ssh"
        srchost = "host1"
        targethost = "host2"

        req = pyhbac.HbacRequest()

        self.assertEqual(req.__repr__(), "<user <name  groups []> "
                                         "service <name  groups []> "
                                         "targethost <name  groups []> "
                                         "srchost <name  groups []>>")

        req.user.name = name
        req.service.name = service
        req.srchost.name = srchost
        req.targethost.name = targethost

        self.assertEqual(req.__repr__(), "<user <name %s groups []> "
                                         "service <name %s groups []> "
                                         "targethost <name %s groups []> "
                                         "srchost <name %s groups []>>" %
                                         (name, service, targethost, srchost))

    def testEvaluateNegative(self):
        name = "someuser"
        service = "ssh"
        srchost = "host1"
        targethost = "host2"

        allow_rule = pyhbac.HbacRule("allowRule", enabled=True)
        allow_rule.users.names = [ name ]
        allow_rule.services.names = [ service ]
        allow_rule.srchosts.names = [ srchost ]
        allow_rule.targethosts.names = [ targethost ]

        req = pyhbac.HbacRequest()
        req.service.name = service
        req.srchost.name = srchost
        req.targethost.name = targethost
        req.user.name = name

        saveuser = req.user
        req.user = None # need to catch this

        # catch invalid category value
        savecat = copy.copy(allow_rule.users.category)
        allow_rule.users.category.add(pyhbac.HBAC_EVAL_ERROR)
        self.assertRaises(ValueError, req.evaluate, (allow_rule,))
        allow_rule.users.category = savecat

        # Test that invalid type is raised
        self.assertRaises(TypeError, req.evaluate, (allow_rule,))

        req.user = saveuser
        allow_rule.users = None # need to catch this
        self.assertRaises(TypeError, req.evaluate, (allow_rule,))

        # catch invalid rule type
        self.assertRaises(TypeError, req.evaluate, (allow_rule, None))

class PyHbacModuleTest(unittest.TestCase):
    def testHasResultTypes(self):
        assert hasattr(pyhbac, "HBAC_EVAL_ALLOW")
        assert hasattr(pyhbac, "HBAC_EVAL_DENY")
        assert hasattr(pyhbac, "HBAC_EVAL_ERROR")

    def testHasErrorTypes(self):
        assert hasattr(pyhbac, "HBAC_ERROR_UNKNOWN")
        assert hasattr(pyhbac, "HBAC_SUCCESS")
        assert hasattr(pyhbac, "HBAC_ERROR_NOT_IMPLEMENTED")
        assert hasattr(pyhbac, "HBAC_ERROR_OUT_OF_MEMORY")
        assert hasattr(pyhbac, "HBAC_ERROR_UNPARSEABLE_RULE")

    def testHasCategories(self):
        assert hasattr(pyhbac, "HBAC_CATEGORY_NULL")
        assert hasattr(pyhbac, "HBAC_CATEGORY_ALL")

    def testHasRuleElementTypes(self):
        assert hasattr(pyhbac, "HBAC_RULE_ELEMENT_USERS")
        assert hasattr(pyhbac, "HBAC_RULE_ELEMENT_SERVICES")
        assert hasattr(pyhbac, "HBAC_RULE_ELEMENT_TARGETHOSTS")
        assert hasattr(pyhbac, "HBAC_RULE_ELEMENT_SOURCEHOSTS")

    def testHbacResultString(self):
        results = [ pyhbac.HBAC_EVAL_ALLOW, pyhbac.HBAC_EVAL_DENY,
                    pyhbac.HBAC_EVAL_ERROR ]
        for r in results:
            s = pyhbac.hbac_result_string(r)
            self.assertIsInstance(s, unicode)
            assert len(s) > 0

    def testHbacErrorString(self):
        errors = [ pyhbac.HBAC_ERROR_UNKNOWN,
                   pyhbac.HBAC_SUCCESS,
                   pyhbac.HBAC_ERROR_NOT_IMPLEMENTED,
                   pyhbac.HBAC_ERROR_OUT_OF_MEMORY,
                   pyhbac.HBAC_ERROR_UNPARSEABLE_RULE ]
        for e in errors:
            s = pyhbac.hbac_error_string(e)
            self.assertIsInstance(s, unicode)
            assert len(s) > 0


if __name__ == "__main__":
    error = 0

    suite = unittest.TestLoader().loadTestsFromTestCase(PyHbacImport)
    res = unittest.TextTestRunner().run(suite)
    if not res.wasSuccessful():
        error |= 0x1
        # need to bail out here because pyhbac could not be imported
        sys.exit(error)

    # import the pyhbac module into the global namespace, but make sure it's
    # the one in tree
    sys.path.insert(0, MODPATH)
    import pyhbac

    suite = unittest.TestLoader().loadTestsFromTestCase(PyHbacRuleElementTest)
    res = unittest.TextTestRunner().run(suite)
    if not res.wasSuccessful():
        error |= 0x2

    suite = unittest.TestLoader().loadTestsFromTestCase(PyHbacRuleTest)
    res = unittest.TextTestRunner().run(suite)
    if not res.wasSuccessful():
        error |= 0x3

    suite = unittest.TestLoader().loadTestsFromTestCase(PyHbacRequestElementTest)
    res = unittest.TextTestRunner().run(suite)
    if not res.wasSuccessful():
        error |= 0x4

    suite = unittest.TestLoader().loadTestsFromTestCase(PyHbacRequestTest)
    res = unittest.TextTestRunner().run(suite)
    if not res.wasSuccessful():
        error |= 0x5

    suite = unittest.TestLoader().loadTestsFromTestCase(PyHbacModuleTest)
    res = unittest.TextTestRunner().run(suite)
    if not res.wasSuccessful():
        error |= 0x6

    sys.exit(error)