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  • Committer: Teddy Hogeborn
  • Date: 2017-08-20 14:14:14 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 360.
  • Revision ID: teddy@recompile.se-20170820141414-m034xuebg7ccaeui
Add some more restrictions to the systemd service file.

* mandos.service ([Service]/ProtectKernelTunables): New; set to "yes".
  ([Service]/ProtectControlGroups): - '' -

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mandos-ctl
1
1
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
 
2
# -*- mode: python; coding: utf-8 -*-
3
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
#
6
 
# Copyright © 2008-2019 Teddy Hogeborn
7
 
# Copyright © 2008-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
 
6
# Copyright © 2008-2017 Teddy Hogeborn
 
7
# Copyright © 2008-2017 Björn Påhlsson
 
8
#
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
17
#     GNU General Public License for more details.
20
18
#
21
19
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
23
22
#
24
23
# Contact the authors at <mandos@recompile.se>.
25
24
#
40
39
import os
41
40
import collections
42
41
import json
43
 
import unittest
44
 
import logging
45
42
 
46
43
import dbus
47
44
 
48
 
# Show warnings by default
49
 
if not sys.warnoptions:
50
 
    import warnings
51
 
    warnings.simplefilter("default")
52
 
 
53
 
log = logging.getLogger(sys.argv[0])
54
 
logging.basicConfig(level="INFO", # Show info level messages
55
 
                    format="%(message)s") # Show basic log messages
56
 
 
57
 
logging.captureWarnings(True)   # Show warnings via the logging system
58
 
 
59
45
if sys.version_info.major == 2:
60
46
    str = unicode
61
47
 
71
57
    "Interval": "Interval",
72
58
    "Host": "Host",
73
59
    "Fingerprint": "Fingerprint",
74
 
    "KeyID": "Key ID",
75
60
    "CheckerRunning": "Check Is Running",
76
61
    "LastEnabled": "Last Enabled",
77
62
    "ApprovalPending": "Approval Is Pending",
89
74
server_path = "/"
90
75
server_interface = domain + ".Mandos"
91
76
client_interface = domain + ".Mandos.Client"
92
 
version = "1.8.3"
 
77
version = "1.7.15"
93
78
 
94
79
 
95
80
try:
116
101
    datetime.timedelta(0, 60)
117
102
    >>> rfc3339_duration_to_delta("PT60M")
118
103
    datetime.timedelta(0, 3600)
119
 
    >>> rfc3339_duration_to_delta("P60M")
120
 
    datetime.timedelta(1680)
121
104
    >>> rfc3339_duration_to_delta("PT24H")
122
105
    datetime.timedelta(1)
123
106
    >>> rfc3339_duration_to_delta("P1W")
126
109
    datetime.timedelta(0, 330)
127
110
    >>> rfc3339_duration_to_delta("P1DT3M20S")
128
111
    datetime.timedelta(1, 200)
129
 
    >>> # Can not be empty:
130
 
    >>> rfc3339_duration_to_delta("")
131
 
    Traceback (most recent call last):
132
 
    ...
133
 
    ValueError: Invalid RFC 3339 duration: u''
134
 
    >>> # Must start with "P":
135
 
    >>> rfc3339_duration_to_delta("1D")
136
 
    Traceback (most recent call last):
137
 
    ...
138
 
    ValueError: Invalid RFC 3339 duration: u'1D'
139
 
    >>> # Must use correct order
140
 
    >>> rfc3339_duration_to_delta("PT1S2M")
141
 
    Traceback (most recent call last):
142
 
    ...
143
 
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
144
 
    >>> # Time needs time marker
145
 
    >>> rfc3339_duration_to_delta("P1H2S")
146
 
    Traceback (most recent call last):
147
 
    ...
148
 
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
149
 
    >>> # Weeks can not be combined with anything else
150
 
    >>> rfc3339_duration_to_delta("P1D2W")
151
 
    Traceback (most recent call last):
152
 
    ...
153
 
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
154
 
    >>> rfc3339_duration_to_delta("P2W2H")
155
 
    Traceback (most recent call last):
156
 
    ...
157
 
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
158
112
    """
159
113
 
160
114
    # Parsing an RFC 3339 duration with regular expressions is not
239
193
 
240
194
def string_to_delta(interval):
241
195
    """Parse a string and return a datetime.timedelta
 
196
 
 
197
    >>> string_to_delta('7d')
 
198
    datetime.timedelta(7)
 
199
    >>> string_to_delta('60s')
 
200
    datetime.timedelta(0, 60)
 
201
    >>> string_to_delta('60m')
 
202
    datetime.timedelta(0, 3600)
 
203
    >>> string_to_delta('24h')
 
204
    datetime.timedelta(1)
 
205
    >>> string_to_delta('1w')
 
206
    datetime.timedelta(7)
 
207
    >>> string_to_delta('5m 30s')
 
208
    datetime.timedelta(0, 330)
242
209
    """
243
210
 
244
211
    try:
245
212
        return rfc3339_duration_to_delta(interval)
246
 
    except ValueError as e:
247
 
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
248
 
                    ' '.join(e.args))
249
 
    return parse_pre_1_6_1_interval(interval)
250
 
 
251
 
 
252
 
def parse_pre_1_6_1_interval(interval):
253
 
    """Parse an interval string as documented by Mandos before 1.6.1, and
254
 
    return a datetime.timedelta
255
 
    >>> parse_pre_1_6_1_interval('7d')
256
 
    datetime.timedelta(7)
257
 
    >>> parse_pre_1_6_1_interval('60s')
258
 
    datetime.timedelta(0, 60)
259
 
    >>> parse_pre_1_6_1_interval('60m')
260
 
    datetime.timedelta(0, 3600)
261
 
    >>> parse_pre_1_6_1_interval('24h')
262
 
    datetime.timedelta(1)
263
 
    >>> parse_pre_1_6_1_interval('1w')
264
 
    datetime.timedelta(7)
265
 
    >>> parse_pre_1_6_1_interval('5m 30s')
266
 
    datetime.timedelta(0, 330)
267
 
    >>> parse_pre_1_6_1_interval('')
268
 
    datetime.timedelta(0)
269
 
    >>> # Ignore unknown characters, allow any order and repetitions
270
 
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
271
 
    datetime.timedelta(2, 480, 18000)
272
 
 
273
 
    """
 
213
    except ValueError:
 
214
        pass
274
215
 
275
216
    value = datetime.timedelta(0)
276
217
    regexp = re.compile(r"(\d+)([dsmhw]?)")
292
233
 
293
234
 
294
235
def print_clients(clients, keywords):
295
 
    print('\n'.join(table_rows_of_clients(clients, keywords)))
296
 
 
297
 
def table_rows_of_clients(clients, keywords):
298
236
    def valuetostring(value, keyword):
299
 
        if isinstance(value, dbus.Boolean):
 
237
        if type(value) is dbus.Boolean:
300
238
            return "Yes" if value else "No"
301
239
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
302
240
                       "ApprovalDuration", "ExtendedTimeout"):
310
248
                      for client in clients)),
311
249
        key=key)
312
250
                             for key in keywords)
313
 
    # Start with header line
314
 
    rows = [format_string.format(**tablewords)]
 
251
    # Print header line
 
252
    print(format_string.format(**tablewords))
315
253
    for client in clients:
316
 
        rows.append(format_string
317
 
                    .format(**{key: valuetostring(client[key], key)
318
 
                               for key in keywords}))
319
 
    return rows
 
254
        print(format_string
 
255
              .format(**{key: valuetostring(client[key], key)
 
256
                         for key in keywords}))
320
257
 
321
258
 
322
259
def has_actions(options):
406
343
    if options.all and not has_actions(options):
407
344
        parser.error("--all requires an action.")
408
345
 
 
346
    if options.check:
 
347
        import doctest
 
348
        fail_count, test_count = doctest.testmod()
 
349
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
350
 
409
351
    try:
410
352
        bus = dbus.SystemBus()
411
353
        mandos_dbus_objc = bus.get_object(busname, server_path)
412
354
    except dbus.exceptions.DBusException:
413
 
        log.critical("Could not connect to Mandos server")
 
355
        print("Could not connect to Mandos server", file=sys.stderr)
414
356
        sys.exit(1)
415
357
 
416
358
    mandos_serv = dbus.Interface(mandos_dbus_objc,
435
377
            os.dup2(stderrcopy, sys.stderr.fileno())
436
378
            os.close(stderrcopy)
437
379
    except dbus.exceptions.DBusException as e:
438
 
        log.critical("Failed to access Mandos server through D-Bus:"
439
 
                     "\n%s", e)
 
380
        print("Access denied: "
 
381
              "Accessing mandos server through D-Bus: {}".format(e),
 
382
              file=sys.stderr)
440
383
        sys.exit(1)
441
384
 
442
385
    # Compile dict of (clients: properties) to process
453
396
                    clients[client_objc] = client
454
397
                    break
455
398
            else:
456
 
                log.critical("Client not found on server: %r", name)
 
399
                print("Client not found on server: {!r}"
 
400
                      .format(name), file=sys.stderr)
457
401
                sys.exit(1)
458
402
 
459
403
    if not has_actions(options) and clients:
460
404
        if options.verbose or options.dump_json:
461
405
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
462
 
                        "Created", "Interval", "Host", "KeyID",
463
 
                        "Fingerprint", "CheckerRunning",
464
 
                        "LastEnabled", "ApprovalPending",
465
 
                        "ApprovedByDefault", "LastApprovalRequest",
466
 
                        "ApprovalDelay", "ApprovalDuration",
467
 
                        "Checker", "ExtendedTimeout", "Expires",
 
406
                        "Created", "Interval", "Host", "Fingerprint",
 
407
                        "CheckerRunning", "LastEnabled",
 
408
                        "ApprovalPending", "ApprovedByDefault",
 
409
                        "LastApprovalRequest", "ApprovalDelay",
 
410
                        "ApprovalDuration", "Checker",
 
411
                        "ExtendedTimeout", "Expires",
468
412
                        "LastCheckerStatus")
469
413
        else:
470
414
            keywords = defaultkeywords
547
491
                client.Approve(dbus.Boolean(False),
548
492
                               dbus_interface=client_interface)
549
493
 
550
 
 
551
 
class Test_milliseconds_to_string(unittest.TestCase):
552
 
    def test_all(self):
553
 
        self.assertEqual(milliseconds_to_string(93785000),
554
 
                         "1T02:03:05")
555
 
    def test_no_days(self):
556
 
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
557
 
    def test_all_zero(self):
558
 
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
559
 
    def test_no_fractional_seconds(self):
560
 
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
561
 
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
562
 
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
563
 
 
564
 
class Test_string_to_delta(unittest.TestCase):
565
 
    def test_handles_basic_rfc3339(self):
566
 
        self.assertEqual(string_to_delta("PT2H"),
567
 
                         datetime.timedelta(0, 7200))
568
 
    def test_falls_back_to_pre_1_6_1_with_warning(self):
569
 
        # assertLogs only exists in Python 3.4
570
 
        if hasattr(self, "assertLogs"):
571
 
            with self.assertLogs(log, logging.WARNING):
572
 
                value = string_to_delta("2h")
573
 
        else:
574
 
            value = string_to_delta("2h")
575
 
        self.assertEqual(value, datetime.timedelta(0, 7200))
576
 
 
577
 
class Test_table_rows_of_clients(unittest.TestCase):
578
 
    def setUp(self):
579
 
        global tablewords
580
 
        self.old_tablewords = tablewords
581
 
        tablewords = {
582
 
            "Attr1": "X",
583
 
            "AttrTwo": "Yy",
584
 
            "AttrThree": "Zzz",
585
 
            "Bool": "A D-BUS Boolean",
586
 
            "NonDbusBoolean": "A Non-D-BUS Boolean",
587
 
            "Integer": "An Integer",
588
 
            "Timeout": "Timedelta 1",
589
 
            "Interval": "Timedelta 2",
590
 
            "ApprovalDelay": "Timedelta 3",
591
 
            "ApprovalDuration": "Timedelta 4",
592
 
            "ExtendedTimeout": "Timedelta 5",
593
 
            "String": "A String",
594
 
        }
595
 
        self.keywords = ["Attr1", "AttrTwo"]
596
 
        self.clients = [
597
 
            {
598
 
                "Attr1": "x1",
599
 
                "AttrTwo": "y1",
600
 
                "AttrThree": "z1",
601
 
                "Bool": dbus.Boolean(False),
602
 
                "NonDbusBoolean": False,
603
 
                "Integer": 0,
604
 
                "Timeout": 0,
605
 
                "Interval": 1000,
606
 
                "ApprovalDelay": 2000,
607
 
                "ApprovalDuration": 3000,
608
 
                "ExtendedTimeout": 4000,
609
 
                "String": "",
610
 
            },
611
 
            {
612
 
                "Attr1": "x2",
613
 
                "AttrTwo": "y2",
614
 
                "AttrThree": "z2",
615
 
                "Bool": dbus.Boolean(True),
616
 
                "NonDbusBoolean": True,
617
 
                "Integer": 1,
618
 
                "Timeout": 93785000,
619
 
                "Interval": 93786000,
620
 
                "ApprovalDelay": 93787000,
621
 
                "ApprovalDuration": 93788000,
622
 
                "ExtendedTimeout": 93789000,
623
 
                "String": "A huge string which will not fit," * 10,
624
 
            },
625
 
        ]
626
 
    def tearDown(self):
627
 
        global tablewords
628
 
        tablewords = self.old_tablewords
629
 
    def test_short_header(self):
630
 
        rows = table_rows_of_clients(self.clients, self.keywords)
631
 
        expected_rows = [
632
 
            "X  Yy",
633
 
            "x1 y1",
634
 
            "x2 y2"]
635
 
        self.assertEqual(rows, expected_rows)
636
 
    def test_booleans(self):
637
 
        keywords = ["Bool", "NonDbusBoolean"]
638
 
        rows = table_rows_of_clients(self.clients, keywords)
639
 
        expected_rows = [
640
 
            "A D-BUS Boolean A Non-D-BUS Boolean",
641
 
            "No              False              ",
642
 
            "Yes             True               ",
643
 
        ]
644
 
        self.assertEqual(rows, expected_rows)
645
 
    def test_milliseconds_detection(self):
646
 
        keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
647
 
                    "ApprovalDuration", "ExtendedTimeout"]
648
 
        rows = table_rows_of_clients(self.clients, keywords)
649
 
        expected_rows = ("""
650
 
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
651
 
0          00:00:00    00:00:01    00:00:02    00:00:03    00:00:04   
652
 
1          1T02:03:05  1T02:03:06  1T02:03:07  1T02:03:08  1T02:03:09 
653
 
"""
654
 
        ).splitlines()[1:]
655
 
        self.assertEqual(rows, expected_rows)
656
 
    def test_empty_and_long_string_values(self):
657
 
        keywords = ["String"]
658
 
        rows = table_rows_of_clients(self.clients, keywords)
659
 
        expected_rows = ("""
660
 
A String                                                                                                                                                                                                                                                                                                                                  
661
 
                                                                                                                                                                                                                                                                                                                                          
662
 
A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,
663
 
"""
664
 
        ).splitlines()[1:]
665
 
        self.assertEqual(rows, expected_rows)
666
 
 
667
 
 
668
 
 
669
 
def should_only_run_tests():
670
 
    parser = argparse.ArgumentParser(add_help=False)
671
 
    parser.add_argument("--check", action='store_true')
672
 
    args, unknown_args = parser.parse_known_args()
673
 
    run_tests = args.check
674
 
    if run_tests:
675
 
        # Remove --check argument from sys.argv
676
 
        sys.argv[1:] = unknown_args
677
 
    return run_tests
678
 
 
679
 
# Add all tests from doctest strings
680
 
def load_tests(loader, tests, none):
681
 
    import doctest
682
 
    tests.addTests(doctest.DocTestSuite())
683
 
    return tests
684
494
 
685
495
if __name__ == "__main__":
686
 
    if should_only_run_tests():
687
 
        # Call using ./tdd-python-script --check [--verbose]
688
 
        unittest.main()
689
 
    else:
690
 
        main()
 
496
    main()