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  • Committer: Teddy Hogeborn
  • Date: 2019-03-03 18:11:39 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 382.
  • Revision ID: teddy@recompile.se-20190303181139-f8r50k8bgirs3d5f
mandos-ctl: Add test for IsEnabledCmd class

* mandos-ctl (TestCmd.setUp.MockClient.Set,
              TestCmd.setUp.MockClient.Get): Fix bugs.
  (TestCmd.setUp.MockClient.__setitem__): New.
  (TestIsEnabledCmd): New.

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mandos-ctl
 
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*")))); -*-
 
3
#
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
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
 
13
# the Free Software Foundation, either version 3 of the License, or
 
14
# (at your option) any later version.
 
15
#
 
16
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
19
#     GNU General Public License for more details.
 
20
#
 
21
# You should have received a copy of the GNU General Public License
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
 
24
# Contact the authors at <mandos@recompile.se>.
 
25
#
 
26
 
 
27
from __future__ import (division, absolute_import, print_function,
 
28
                        unicode_literals)
 
29
 
 
30
try:
 
31
    from future_builtins import *
 
32
except ImportError:
 
33
    pass
 
34
 
 
35
import sys
 
36
import argparse
 
37
import locale
 
38
import datetime
 
39
import re
 
40
import os
 
41
import collections
 
42
import json
 
43
import unittest
 
44
import logging
 
45
 
 
46
import dbus
 
47
 
 
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
if sys.version_info.major == 2:
 
60
    str = unicode
 
61
 
 
62
locale.setlocale(locale.LC_ALL, "")
 
63
 
 
64
domain = "se.recompile"
 
65
busname = domain + ".Mandos"
 
66
server_path = "/"
 
67
server_interface = domain + ".Mandos"
 
68
client_interface = domain + ".Mandos.Client"
 
69
version = "1.8.3"
 
70
 
 
71
 
 
72
try:
 
73
    dbus.OBJECT_MANAGER_IFACE
 
74
except AttributeError:
 
75
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
76
 
 
77
 
 
78
def milliseconds_to_string(ms):
 
79
    td = datetime.timedelta(0, 0, 0, ms)
 
80
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
81
            .format(days="{}T".format(td.days) if td.days else "",
 
82
                    hours=td.seconds // 3600,
 
83
                    minutes=(td.seconds % 3600) // 60,
 
84
                    seconds=td.seconds % 60))
 
85
 
 
86
 
 
87
def rfc3339_duration_to_delta(duration):
 
88
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
89
 
 
90
    >>> rfc3339_duration_to_delta("P7D")
 
91
    datetime.timedelta(7)
 
92
    >>> rfc3339_duration_to_delta("PT60S")
 
93
    datetime.timedelta(0, 60)
 
94
    >>> rfc3339_duration_to_delta("PT60M")
 
95
    datetime.timedelta(0, 3600)
 
96
    >>> rfc3339_duration_to_delta("P60M")
 
97
    datetime.timedelta(1680)
 
98
    >>> rfc3339_duration_to_delta("PT24H")
 
99
    datetime.timedelta(1)
 
100
    >>> rfc3339_duration_to_delta("P1W")
 
101
    datetime.timedelta(7)
 
102
    >>> rfc3339_duration_to_delta("PT5M30S")
 
103
    datetime.timedelta(0, 330)
 
104
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
105
    datetime.timedelta(1, 200)
 
106
    >>> # Can not be empty:
 
107
    >>> rfc3339_duration_to_delta("")
 
108
    Traceback (most recent call last):
 
109
    ...
 
110
    ValueError: Invalid RFC 3339 duration: u''
 
111
    >>> # Must start with "P":
 
112
    >>> rfc3339_duration_to_delta("1D")
 
113
    Traceback (most recent call last):
 
114
    ...
 
115
    ValueError: Invalid RFC 3339 duration: u'1D'
 
116
    >>> # Must use correct order
 
117
    >>> rfc3339_duration_to_delta("PT1S2M")
 
118
    Traceback (most recent call last):
 
119
    ...
 
120
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
 
121
    >>> # Time needs time marker
 
122
    >>> rfc3339_duration_to_delta("P1H2S")
 
123
    Traceback (most recent call last):
 
124
    ...
 
125
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
 
126
    >>> # Weeks can not be combined with anything else
 
127
    >>> rfc3339_duration_to_delta("P1D2W")
 
128
    Traceback (most recent call last):
 
129
    ...
 
130
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
 
131
    >>> rfc3339_duration_to_delta("P2W2H")
 
132
    Traceback (most recent call last):
 
133
    ...
 
134
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
 
135
    """
 
136
 
 
137
    # Parsing an RFC 3339 duration with regular expressions is not
 
138
    # possible - there would have to be multiple places for the same
 
139
    # values, like seconds.  The current code, while more esoteric, is
 
140
    # cleaner without depending on a parsing library.  If Python had a
 
141
    # built-in library for parsing we would use it, but we'd like to
 
142
    # avoid excessive use of external libraries.
 
143
 
 
144
    # New type for defining tokens, syntax, and semantics all-in-one
 
145
    Token = collections.namedtuple("Token", (
 
146
        "regexp",  # To match token; if "value" is not None, must have
 
147
                   # a "group" containing digits
 
148
        "value",   # datetime.timedelta or None
 
149
        "followers"))           # Tokens valid after this token
 
150
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
151
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
152
    token_end = Token(re.compile(r"$"), None, frozenset())
 
153
    token_second = Token(re.compile(r"(\d+)S"),
 
154
                         datetime.timedelta(seconds=1),
 
155
                         frozenset((token_end, )))
 
156
    token_minute = Token(re.compile(r"(\d+)M"),
 
157
                         datetime.timedelta(minutes=1),
 
158
                         frozenset((token_second, token_end)))
 
159
    token_hour = Token(re.compile(r"(\d+)H"),
 
160
                       datetime.timedelta(hours=1),
 
161
                       frozenset((token_minute, token_end)))
 
162
    token_time = Token(re.compile(r"T"),
 
163
                       None,
 
164
                       frozenset((token_hour, token_minute,
 
165
                                  token_second)))
 
166
    token_day = Token(re.compile(r"(\d+)D"),
 
167
                      datetime.timedelta(days=1),
 
168
                      frozenset((token_time, token_end)))
 
169
    token_month = Token(re.compile(r"(\d+)M"),
 
170
                        datetime.timedelta(weeks=4),
 
171
                        frozenset((token_day, token_end)))
 
172
    token_year = Token(re.compile(r"(\d+)Y"),
 
173
                       datetime.timedelta(weeks=52),
 
174
                       frozenset((token_month, token_end)))
 
175
    token_week = Token(re.compile(r"(\d+)W"),
 
176
                       datetime.timedelta(weeks=1),
 
177
                       frozenset((token_end, )))
 
178
    token_duration = Token(re.compile(r"P"), None,
 
179
                           frozenset((token_year, token_month,
 
180
                                      token_day, token_time,
 
181
                                      token_week)))
 
182
    # Define starting values:
 
183
    # Value so far
 
184
    value = datetime.timedelta()
 
185
    found_token = None
 
186
    # Following valid tokens
 
187
    followers = frozenset((token_duration, ))
 
188
    # String left to parse
 
189
    s = duration
 
190
    # Loop until end token is found
 
191
    while found_token is not token_end:
 
192
        # Search for any currently valid tokens
 
193
        for token in followers:
 
194
            match = token.regexp.match(s)
 
195
            if match is not None:
 
196
                # Token found
 
197
                if token.value is not None:
 
198
                    # Value found, parse digits
 
199
                    factor = int(match.group(1), 10)
 
200
                    # Add to value so far
 
201
                    value += factor * token.value
 
202
                # Strip token from string
 
203
                s = token.regexp.sub("", s, 1)
 
204
                # Go to found token
 
205
                found_token = token
 
206
                # Set valid next tokens
 
207
                followers = found_token.followers
 
208
                break
 
209
        else:
 
210
            # No currently valid tokens were found
 
211
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
212
                             .format(duration))
 
213
    # End token found
 
214
    return value
 
215
 
 
216
 
 
217
def string_to_delta(interval):
 
218
    """Parse a string and return a datetime.timedelta"""
 
219
 
 
220
    try:
 
221
        return rfc3339_duration_to_delta(interval)
 
222
    except ValueError as e:
 
223
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
 
224
                    ' '.join(e.args))
 
225
    return parse_pre_1_6_1_interval(interval)
 
226
 
 
227
 
 
228
def parse_pre_1_6_1_interval(interval):
 
229
    """Parse an interval string as documented by Mandos before 1.6.1,
 
230
    and return a datetime.timedelta
 
231
 
 
232
    >>> parse_pre_1_6_1_interval('7d')
 
233
    datetime.timedelta(7)
 
234
    >>> parse_pre_1_6_1_interval('60s')
 
235
    datetime.timedelta(0, 60)
 
236
    >>> parse_pre_1_6_1_interval('60m')
 
237
    datetime.timedelta(0, 3600)
 
238
    >>> parse_pre_1_6_1_interval('24h')
 
239
    datetime.timedelta(1)
 
240
    >>> parse_pre_1_6_1_interval('1w')
 
241
    datetime.timedelta(7)
 
242
    >>> parse_pre_1_6_1_interval('5m 30s')
 
243
    datetime.timedelta(0, 330)
 
244
    >>> parse_pre_1_6_1_interval('')
 
245
    datetime.timedelta(0)
 
246
    >>> # Ignore unknown characters, allow any order and repetitions
 
247
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
 
248
    datetime.timedelta(2, 480, 18000)
 
249
 
 
250
    """
 
251
 
 
252
    value = datetime.timedelta(0)
 
253
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
254
 
 
255
    for num, suffix in regexp.findall(interval):
 
256
        if suffix == "d":
 
257
            value += datetime.timedelta(int(num))
 
258
        elif suffix == "s":
 
259
            value += datetime.timedelta(0, int(num))
 
260
        elif suffix == "m":
 
261
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
262
        elif suffix == "h":
 
263
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
264
        elif suffix == "w":
 
265
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
266
        elif suffix == "":
 
267
            value += datetime.timedelta(0, 0, 0, int(num))
 
268
    return value
 
269
 
 
270
 
 
271
## Classes for commands.
 
272
 
 
273
# Abstract classes first
 
274
class Command(object):
 
275
    """Abstract class for commands"""
 
276
    def run(self, mandos, clients):
 
277
        """Normal commands should implement run_on_one_client(), but
 
278
        commands which want to operate on all clients at the same time
 
279
        can override this run() method instead."""
 
280
        self.mandos = mandos
 
281
        for client in clients:
 
282
            self.run_on_one_client(client)
 
283
 
 
284
class PrintCmd(Command):
 
285
    """Abstract class for commands printing client details"""
 
286
    all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
287
                    "Created", "Interval", "Host", "KeyID",
 
288
                    "Fingerprint", "CheckerRunning", "LastEnabled",
 
289
                    "ApprovalPending", "ApprovedByDefault",
 
290
                    "LastApprovalRequest", "ApprovalDelay",
 
291
                    "ApprovalDuration", "Checker", "ExtendedTimeout",
 
292
                    "Expires", "LastCheckerStatus")
 
293
    def run(self, mandos, clients):
 
294
        print(self.output(clients))
 
295
 
 
296
class PropertyCmd(Command):
 
297
    """Abstract class for Actions for setting one client property"""
 
298
    def run_on_one_client(self, client):
 
299
        """Set the Client's D-Bus property"""
 
300
        client.Set(client_interface, self.property, self.value_to_set,
 
301
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
302
 
 
303
class ValueArgumentMixIn(object):
 
304
    """Mixin class for commands taking a value as argument"""
 
305
    def __init__(self, value):
 
306
        self.value_to_set = value
 
307
 
 
308
class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):
 
309
    """Mixin class for commands taking a value argument as
 
310
    milliseconds."""
 
311
    @property
 
312
    def value_to_set(self):
 
313
        return self._vts
 
314
    @value_to_set.setter
 
315
    def value_to_set(self, value):
 
316
        """When setting, convert value to a datetime.timedelta"""
 
317
        self._vts = string_to_delta(value).total_seconds() * 1000
 
318
 
 
319
# Actual (non-abstract) command classes
 
320
 
 
321
class PrintTableCmd(PrintCmd):
 
322
    def __init__(self, verbose=False):
 
323
        self.verbose = verbose
 
324
 
 
325
    def output(self, clients):
 
326
        if self.verbose:
 
327
            keywords = self.all_keywords
 
328
        else:
 
329
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
330
        return str(self.TableOfClients(clients.values(), keywords))
 
331
 
 
332
    class TableOfClients(object):
 
333
        tableheaders = {
 
334
            "Name": "Name",
 
335
            "Enabled": "Enabled",
 
336
            "Timeout": "Timeout",
 
337
            "LastCheckedOK": "Last Successful Check",
 
338
            "LastApprovalRequest": "Last Approval Request",
 
339
            "Created": "Created",
 
340
            "Interval": "Interval",
 
341
            "Host": "Host",
 
342
            "Fingerprint": "Fingerprint",
 
343
            "KeyID": "Key ID",
 
344
            "CheckerRunning": "Check Is Running",
 
345
            "LastEnabled": "Last Enabled",
 
346
            "ApprovalPending": "Approval Is Pending",
 
347
            "ApprovedByDefault": "Approved By Default",
 
348
            "ApprovalDelay": "Approval Delay",
 
349
            "ApprovalDuration": "Approval Duration",
 
350
            "Checker": "Checker",
 
351
            "ExtendedTimeout": "Extended Timeout",
 
352
            "Expires": "Expires",
 
353
            "LastCheckerStatus": "Last Checker Status",
 
354
        }
 
355
 
 
356
        def __init__(self, clients, keywords, tableheaders=None):
 
357
            self.clients = clients
 
358
            self.keywords = keywords
 
359
            if tableheaders is not None:
 
360
                self.tableheaders = tableheaders
 
361
 
 
362
        def __str__(self):
 
363
            return "\n".join(self.rows())
 
364
 
 
365
        if sys.version_info.major == 2:
 
366
            __unicode__ = __str__
 
367
            def __str__(self):
 
368
                return str(self).encode(locale.getpreferredencoding())
 
369
 
 
370
        def rows(self):
 
371
            format_string = self.row_formatting_string()
 
372
            rows = [self.header_line(format_string)]
 
373
            rows.extend(self.client_line(client, format_string)
 
374
                        for client in self.clients)
 
375
            return rows
 
376
 
 
377
        def row_formatting_string(self):
 
378
            "Format string used to format table rows"
 
379
            return " ".join("{{{key}:{width}}}".format(
 
380
                width=max(len(self.tableheaders[key]),
 
381
                          *(len(self.string_from_client(client, key))
 
382
                            for client in self.clients)),
 
383
                key=key)
 
384
                            for key in self.keywords)
 
385
 
 
386
        def string_from_client(self, client, key):
 
387
            return self.valuetostring(client[key], key)
 
388
 
 
389
        @staticmethod
 
390
        def valuetostring(value, keyword):
 
391
            if isinstance(value, dbus.Boolean):
 
392
                return "Yes" if value else "No"
 
393
            if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
394
                           "ApprovalDuration", "ExtendedTimeout"):
 
395
                return milliseconds_to_string(value)
 
396
            return str(value)
 
397
 
 
398
        def header_line(self, format_string):
 
399
            return format_string.format(**self.tableheaders)
 
400
 
 
401
        def client_line(self, client, format_string):
 
402
            return format_string.format(
 
403
                **{key: self.string_from_client(client, key)
 
404
                   for key in self.keywords})
 
405
 
 
406
 
 
407
 
 
408
class DumpJSONCmd(PrintCmd):
 
409
    def output(self, clients):
 
410
        data = {client["Name"]:
 
411
                {key: self.dbus_boolean_to_bool(client[key])
 
412
                 for key in self.all_keywords}
 
413
                for client in clients.values()}
 
414
        return json.dumps(data, indent=4, separators=(',', ': '))
 
415
    @staticmethod
 
416
    def dbus_boolean_to_bool(value):
 
417
        if isinstance(value, dbus.Boolean):
 
418
            value = bool(value)
 
419
        return value
 
420
 
 
421
class IsEnabledCmd(Command):
 
422
    def run_on_one_client(self, client):
 
423
        if self.is_enabled(client):
 
424
            sys.exit(0)
 
425
        sys.exit(1)
 
426
    def is_enabled(self, client):
 
427
        return client.Get(client_interface, "Enabled",
 
428
                          dbus_interface=dbus.PROPERTIES_IFACE)
 
429
 
 
430
class RemoveCmd(Command):
 
431
    def run_on_one_client(self, client):
 
432
        self.mandos.RemoveClient(client.__dbus_object_path__)
 
433
 
 
434
class ApproveCmd(Command):
 
435
    def run_on_one_client(self, client):
 
436
        client.Approve(dbus.Boolean(True),
 
437
                       dbus_interface=client_interface)
 
438
 
 
439
class DenyCmd(Command):
 
440
    def run_on_one_client(self, client):
 
441
        client.Approve(dbus.Boolean(False),
 
442
                       dbus_interface=client_interface)
 
443
 
 
444
class EnableCmd(PropertyCmd):
 
445
    property = "Enabled"
 
446
    value_to_set = dbus.Boolean(True)
 
447
 
 
448
class DisableCmd(PropertyCmd):
 
449
    property = "Enabled"
 
450
    value_to_set = dbus.Boolean(False)
 
451
 
 
452
class BumpTimeoutCmd(PropertyCmd):
 
453
    property = "LastCheckedOK"
 
454
    value_to_set = ""
 
455
 
 
456
class StartCheckerCmd(PropertyCmd):
 
457
    property = "CheckerRunning"
 
458
    value_to_set = dbus.Boolean(True)
 
459
 
 
460
class StopCheckerCmd(PropertyCmd):
 
461
    property = "CheckerRunning"
 
462
    value_to_set = dbus.Boolean(False)
 
463
 
 
464
class ApproveByDefaultCmd(PropertyCmd):
 
465
    property = "ApprovedByDefault"
 
466
    value_to_set = dbus.Boolean(True)
 
467
 
 
468
class DenyByDefaultCmd(PropertyCmd):
 
469
    property = "ApprovedByDefault"
 
470
    value_to_set = dbus.Boolean(False)
 
471
 
 
472
class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):
 
473
    property = "Checker"
 
474
 
 
475
class SetHostCmd(PropertyCmd, ValueArgumentMixIn):
 
476
    property = "Host"
 
477
 
 
478
class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):
 
479
    property = "Secret"
 
480
 
 
481
class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
482
    property = "Timeout"
 
483
 
 
484
class SetExtendedTimeoutCmd(PropertyCmd,
 
485
                            MillisecondsValueArgumentMixIn):
 
486
    property = "ExtendedTimeout"
 
487
 
 
488
class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
489
    property = "Interval"
 
490
 
 
491
class SetApprovalDelayCmd(PropertyCmd,
 
492
                          MillisecondsValueArgumentMixIn):
 
493
    property = "ApprovalDelay"
 
494
 
 
495
class SetApprovalDurationCmd(PropertyCmd,
 
496
                             MillisecondsValueArgumentMixIn):
 
497
    property = "ApprovalDuration"
 
498
 
 
499
def has_actions(options):
 
500
    return any((options.enable,
 
501
                options.disable,
 
502
                options.bump_timeout,
 
503
                options.start_checker,
 
504
                options.stop_checker,
 
505
                options.is_enabled,
 
506
                options.remove,
 
507
                options.checker is not None,
 
508
                options.timeout is not None,
 
509
                options.extended_timeout is not None,
 
510
                options.interval is not None,
 
511
                options.approved_by_default is not None,
 
512
                options.approval_delay is not None,
 
513
                options.approval_duration is not None,
 
514
                options.host is not None,
 
515
                options.secret is not None,
 
516
                options.approve,
 
517
                options.deny))
 
518
 
 
519
 
 
520
def commands_and_clients_from_options(args=None):
 
521
    if args is None:
 
522
        args=sys.argv[1:]
 
523
    parser = argparse.ArgumentParser()
 
524
    parser.add_argument("--version", action="version",
 
525
                        version="%(prog)s {}".format(version),
 
526
                        help="show version number and exit")
 
527
    parser.add_argument("-a", "--all", action="store_true",
 
528
                        help="Select all clients")
 
529
    parser.add_argument("-v", "--verbose", action="store_true",
 
530
                        help="Print all fields")
 
531
    parser.add_argument("-j", "--dump-json", action="store_true",
 
532
                        help="Dump client data in JSON format")
 
533
    enable_disable = parser.add_mutually_exclusive_group()
 
534
    enable_disable.add_argument("-e", "--enable", action="store_true",
 
535
                                help="Enable client")
 
536
    enable_disable.add_argument("-d", "--disable",
 
537
                                action="store_true",
 
538
                                help="disable client")
 
539
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
540
                        help="Bump timeout for client")
 
541
    start_stop_checker = parser.add_mutually_exclusive_group()
 
542
    start_stop_checker.add_argument("--start-checker",
 
543
                                    action="store_true",
 
544
                                    help="Start checker for client")
 
545
    start_stop_checker.add_argument("--stop-checker",
 
546
                                    action="store_true",
 
547
                                    help="Stop checker for client")
 
548
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
549
                        help="Check if client is enabled")
 
550
    parser.add_argument("-r", "--remove", action="store_true",
 
551
                        help="Remove client")
 
552
    parser.add_argument("-c", "--checker",
 
553
                        help="Set checker command for client")
 
554
    parser.add_argument("-t", "--timeout",
 
555
                        help="Set timeout for client")
 
556
    parser.add_argument("--extended-timeout",
 
557
                        help="Set extended timeout for client")
 
558
    parser.add_argument("-i", "--interval",
 
559
                        help="Set checker interval for client")
 
560
    approve_deny_default = parser.add_mutually_exclusive_group()
 
561
    approve_deny_default.add_argument(
 
562
        "--approve-by-default", action="store_true",
 
563
        default=None, dest="approved_by_default",
 
564
        help="Set client to be approved by default")
 
565
    approve_deny_default.add_argument(
 
566
        "--deny-by-default", action="store_false",
 
567
        dest="approved_by_default",
 
568
        help="Set client to be denied by default")
 
569
    parser.add_argument("--approval-delay",
 
570
                        help="Set delay before client approve/deny")
 
571
    parser.add_argument("--approval-duration",
 
572
                        help="Set duration of one client approval")
 
573
    parser.add_argument("-H", "--host", help="Set host for client")
 
574
    parser.add_argument("-s", "--secret",
 
575
                        type=argparse.FileType(mode="rb"),
 
576
                        help="Set password blob (file) for client")
 
577
    approve_deny = parser.add_mutually_exclusive_group()
 
578
    approve_deny.add_argument(
 
579
        "-A", "--approve", action="store_true",
 
580
        help="Approve any current client request")
 
581
    approve_deny.add_argument("-D", "--deny", action="store_true",
 
582
                              help="Deny any current client request")
 
583
    parser.add_argument("--check", action="store_true",
 
584
                        help="Run self-test")
 
585
    parser.add_argument("client", nargs="*", help="Client name")
 
586
    options = parser.parse_args(args=args)
 
587
 
 
588
    if has_actions(options) and not (options.client or options.all):
 
589
        parser.error("Options require clients names or --all.")
 
590
    if options.verbose and has_actions(options):
 
591
        parser.error("--verbose can only be used alone.")
 
592
    if options.dump_json and (options.verbose
 
593
                              or has_actions(options)):
 
594
        parser.error("--dump-json can only be used alone.")
 
595
    if options.all and not has_actions(options):
 
596
        parser.error("--all requires an action.")
 
597
    if options.is_enabled and len(options.client) > 1:
 
598
            parser.error("--is-enabled requires exactly one client")
 
599
 
 
600
    commands = []
 
601
 
 
602
    if options.dump_json:
 
603
        commands.append(DumpJSONCmd())
 
604
 
 
605
    if options.enable:
 
606
        commands.append(EnableCmd())
 
607
 
 
608
    if options.disable:
 
609
        commands.append(DisableCmd())
 
610
 
 
611
    if options.bump_timeout:
 
612
        commands.append(BumpTimeoutCmd(options.bump_timeout))
 
613
 
 
614
    if options.start_checker:
 
615
        commands.append(StartCheckerCmd())
 
616
 
 
617
    if options.stop_checker:
 
618
        commands.append(StopCheckerCmd())
 
619
 
 
620
    if options.is_enabled:
 
621
        commands.append(IsEnabledCmd())
 
622
 
 
623
    if options.remove:
 
624
        commands.append(RemoveCmd())
 
625
 
 
626
    if options.checker is not None:
 
627
        commands.append(SetCheckerCmd())
 
628
 
 
629
    if options.timeout is not None:
 
630
        commands.append(SetTimeoutCmd(options.timeout))
 
631
 
 
632
    if options.extended_timeout:
 
633
        commands.append(
 
634
            SetExtendedTimeoutCmd(options.extended_timeout))
 
635
 
 
636
    if options.interval is not None:
 
637
        command.append(SetIntervalCmd(options.interval))
 
638
 
 
639
    if options.approved_by_default is not None:
 
640
        if options.approved_by_default:
 
641
            command.append(ApproveByDefaultCmd())
 
642
        else:
 
643
            command.append(DenyByDefaultCmd())
 
644
 
 
645
    if options.approval_delay is not None:
 
646
        command.append(SetApprovalDelayCmd(options.approval_delay))
 
647
 
 
648
    if options.approval_duration is not None:
 
649
        command.append(
 
650
            SetApprovalDurationCmd(options.approval_duration))
 
651
 
 
652
    if options.host is not None:
 
653
        command.append(SetHostCmd(options.host))
 
654
 
 
655
    if options.secret is not None:
 
656
        command.append(SetSecretCmd(options.secret))
 
657
 
 
658
    if options.approve:
 
659
        commands.append(ApproveCmd())
 
660
 
 
661
    if options.deny:
 
662
        commands.append(DenyCmd())
 
663
 
 
664
    # If no command option has been given, show table of clients,
 
665
    # optionally verbosely
 
666
    if not commands:
 
667
        commands.append(PrintTableCmd(verbose=options.verbose))
 
668
 
 
669
    return commands, options.client
 
670
 
 
671
 
 
672
def main():
 
673
    commands, clientnames = commands_and_clients_from_options()
 
674
 
 
675
    try:
 
676
        bus = dbus.SystemBus()
 
677
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
678
    except dbus.exceptions.DBusException:
 
679
        log.critical("Could not connect to Mandos server")
 
680
        sys.exit(1)
 
681
 
 
682
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
683
                                 dbus_interface=server_interface)
 
684
    mandos_serv_object_manager = dbus.Interface(
 
685
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
686
 
 
687
    # Filter out log message from dbus module
 
688
    dbus_logger = logging.getLogger("dbus.proxies")
 
689
    class NullFilter(logging.Filter):
 
690
        def filter(self, record):
 
691
            return False
 
692
    dbus_filter = NullFilter()
 
693
    dbus_logger.addFilter(dbus_filter)
 
694
    try:
 
695
        try:
 
696
            mandos_clients = {path: ifs_and_props[client_interface]
 
697
                              for path, ifs_and_props in
 
698
                              mandos_serv_object_manager
 
699
                              .GetManagedObjects().items()
 
700
                              if client_interface in ifs_and_props}
 
701
        finally:
 
702
            # restore dbus logger
 
703
            dbus_logger.removeFilter(dbus_filter)
 
704
    except dbus.exceptions.DBusException as e:
 
705
        log.critical("Failed to access Mandos server through D-Bus:"
 
706
                     "\n%s", e)
 
707
        sys.exit(1)
 
708
 
 
709
    # Compile dict of (clients: properties) to process
 
710
    clients = {}
 
711
 
 
712
    if not clientnames:
 
713
        clients = {bus.get_object(busname, path): properties
 
714
                   for path, properties in mandos_clients.items()}
 
715
    else:
 
716
        for name in clientnames:
 
717
            for path, client in mandos_clients.items():
 
718
                if client["Name"] == name:
 
719
                    client_objc = bus.get_object(busname, path)
 
720
                    clients[client_objc] = client
 
721
                    break
 
722
            else:
 
723
                log.critical("Client not found on server: %r", name)
 
724
                sys.exit(1)
 
725
 
 
726
    # Run all commands on clients
 
727
    for command in commands:
 
728
        command.run(mandos_serv, clients)
 
729
 
 
730
 
 
731
class Test_milliseconds_to_string(unittest.TestCase):
 
732
    def test_all(self):
 
733
        self.assertEqual(milliseconds_to_string(93785000),
 
734
                         "1T02:03:05")
 
735
    def test_no_days(self):
 
736
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
 
737
    def test_all_zero(self):
 
738
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
 
739
    def test_no_fractional_seconds(self):
 
740
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
 
741
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
 
742
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
 
743
 
 
744
class Test_string_to_delta(unittest.TestCase):
 
745
    def test_handles_basic_rfc3339(self):
 
746
        self.assertEqual(string_to_delta("PT2H"),
 
747
                         datetime.timedelta(0, 7200))
 
748
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
749
        # assertLogs only exists in Python 3.4
 
750
        if hasattr(self, "assertLogs"):
 
751
            with self.assertLogs(log, logging.WARNING):
 
752
                value = string_to_delta("2h")
 
753
        else:
 
754
            class WarningFilter(logging.Filter):
 
755
                """Don't show, but record the presence of, warnings"""
 
756
                def filter(self, record):
 
757
                    is_warning = record.levelno >= logging.WARNING
 
758
                    self.found = is_warning or getattr(self, "found",
 
759
                                                       False)
 
760
                    return not is_warning
 
761
            warning_filter = WarningFilter()
 
762
            log.addFilter(warning_filter)
 
763
            try:
 
764
                value = string_to_delta("2h")
 
765
            finally:
 
766
                log.removeFilter(warning_filter)
 
767
            self.assertTrue(getattr(warning_filter, "found", False))
 
768
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
769
 
 
770
 
 
771
class TestCmd(unittest.TestCase):
 
772
    """Abstract class for tests of command classes"""
 
773
    def setUp(self):
 
774
        testcase = self
 
775
        class MockClient(object):
 
776
            def __init__(self, name, **attributes):
 
777
                self.__dbus_object_path__ = "objpath_{}".format(name)
 
778
                self.attributes = attributes
 
779
                self.attributes["Name"] = name
 
780
                self.calls = []
 
781
            def Set(self, interface, property, value, dbus_interface):
 
782
                testcase.assertEqual(interface, client_interface)
 
783
                testcase.assertEqual(dbus_interface,
 
784
                                     dbus.PROPERTIES_IFACE)
 
785
                self.attributes[property] = value
 
786
                self.calls.append(("Set", (interface, property, value,
 
787
                                           dbus_interface)))
 
788
            def Get(self, interface, property, dbus_interface):
 
789
                testcase.assertEqual(interface, client_interface)
 
790
                testcase.assertEqual(dbus_interface,
 
791
                                     dbus.PROPERTIES_IFACE)
 
792
                self.calls.append(("Get", (interface, property,
 
793
                                           dbus_interface)))
 
794
                return self.attributes[property]
 
795
            def __getitem__(self, key):
 
796
                return self.attributes[key]
 
797
            def __setitem__(self, key, value):
 
798
                self.attributes[key] = value
 
799
        self.clients = collections.OrderedDict([
 
800
            ("foo",
 
801
             MockClient(
 
802
                 "foo",
 
803
                 KeyID=("92ed150794387c03ce684574b1139a65"
 
804
                        "94a34f895daaaf09fd8ea90a27cddb12"),
 
805
                 Secret=b"secret",
 
806
                 Host="foo.example.org",
 
807
                 Enabled=dbus.Boolean(True),
 
808
                 Timeout=300000,
 
809
                 LastCheckedOK="2019-02-03T00:00:00",
 
810
                 Created="2019-01-02T00:00:00",
 
811
                 Interval=120000,
 
812
                 Fingerprint=("778827225BA7DE539C5A"
 
813
                              "7CFA59CFF7CDBD9A5920"),
 
814
                 CheckerRunning=dbus.Boolean(False),
 
815
                 LastEnabled="2019-01-03T00:00:00",
 
816
                 ApprovalPending=dbus.Boolean(False),
 
817
                 ApprovedByDefault=dbus.Boolean(True),
 
818
                 LastApprovalRequest="",
 
819
                 ApprovalDelay=0,
 
820
                 ApprovalDuration=1000,
 
821
                 Checker="fping -q -- %(host)s",
 
822
                 ExtendedTimeout=900000,
 
823
                 Expires="2019-02-04T00:00:00",
 
824
                 LastCheckerStatus=0)),
 
825
            ("barbar",
 
826
             MockClient(
 
827
                 "barbar",
 
828
                 KeyID=("0558568eedd67d622f5c83b35a115f79"
 
829
                        "6ab612cff5ad227247e46c2b020f441c"),
 
830
                 Secret=b"secretbar",
 
831
                 Host="192.0.2.3",
 
832
                 Enabled=dbus.Boolean(True),
 
833
                 Timeout=300000,
 
834
                 LastCheckedOK="2019-02-04T00:00:00",
 
835
                 Created="2019-01-03T00:00:00",
 
836
                 Interval=120000,
 
837
                 Fingerprint=("3E393AEAEFB84C7E89E2"
 
838
                              "F547B3A107558FCA3A27"),
 
839
                 CheckerRunning=dbus.Boolean(True),
 
840
                 LastEnabled="2019-01-04T00:00:00",
 
841
                 ApprovalPending=dbus.Boolean(False),
 
842
                 ApprovedByDefault=dbus.Boolean(False),
 
843
                 LastApprovalRequest="2019-01-03T00:00:00",
 
844
                 ApprovalDelay=30000,
 
845
                 ApprovalDuration=1000,
 
846
                 Checker=":",
 
847
                 ExtendedTimeout=900000,
 
848
                 Expires="2019-02-05T00:00:00",
 
849
                 LastCheckerStatus=-2)),
 
850
            ])
 
851
 
 
852
class TestPrintTableCmd(TestCmd):
 
853
    def test_normal(self):
 
854
        output = PrintTableCmd().output(self.clients)
 
855
        expected_output = """
 
856
Name   Enabled Timeout  Last Successful Check
 
857
foo    Yes     00:05:00 2019-02-03T00:00:00  
 
858
barbar Yes     00:05:00 2019-02-04T00:00:00  
 
859
"""[1:-1]
 
860
        self.assertEqual(output, expected_output)
 
861
    def test_verbose(self):
 
862
        output = PrintTableCmd(verbose=True).output(self.clients)
 
863
        expected_output = """
 
864
Name   Enabled Timeout  Last Successful Check Created             Interval Host            Key ID                                                           Fingerprint                              Check Is Running Last Enabled        Approval Is Pending Approved By Default Last Approval Request Approval Delay Approval Duration Checker              Extended Timeout Expires             Last Checker Status
 
865
foo    Yes     00:05:00 2019-02-03T00:00:00   2019-01-02T00:00:00 00:02:00 foo.example.org 92ed150794387c03ce684574b1139a6594a34f895daaaf09fd8ea90a27cddb12 778827225BA7DE539C5A7CFA59CFF7CDBD9A5920 No               2019-01-03T00:00:00 No                  Yes                                       00:00:00       00:00:01          fping -q -- %(host)s 00:15:00         2019-02-04T00:00:00 0                  
 
866
barbar Yes     00:05:00 2019-02-04T00:00:00   2019-01-03T00:00:00 00:02:00 192.0.2.3       0558568eedd67d622f5c83b35a115f796ab612cff5ad227247e46c2b020f441c 3E393AEAEFB84C7E89E2F547B3A107558FCA3A27 Yes              2019-01-04T00:00:00 No                  No                  2019-01-03T00:00:00   00:00:30       00:00:01          :                    00:15:00         2019-02-05T00:00:00 -2                 
 
867
"""[1:-1]
 
868
        self.assertEqual(output, expected_output)
 
869
    def test_one_client(self):
 
870
        output = PrintTableCmd().output({"foo": self.clients["foo"]})
 
871
        expected_output = """
 
872
Name Enabled Timeout  Last Successful Check
 
873
foo  Yes     00:05:00 2019-02-03T00:00:00  
 
874
"""[1:-1]
 
875
        self.assertEqual(output, expected_output)
 
876
 
 
877
class TestDumpJSONCmd(TestCmd):
 
878
    def setUp(self):
 
879
        self.expected_json = {
 
880
            "foo": {
 
881
                "Name": "foo",
 
882
                "KeyID": ("92ed150794387c03ce684574b1139a65"
 
883
                          "94a34f895daaaf09fd8ea90a27cddb12"),
 
884
                "Host": "foo.example.org",
 
885
                "Enabled": True,
 
886
                "Timeout": 300000,
 
887
                "LastCheckedOK": "2019-02-03T00:00:00",
 
888
                "Created": "2019-01-02T00:00:00",
 
889
                "Interval": 120000,
 
890
                "Fingerprint": ("778827225BA7DE539C5A"
 
891
                                "7CFA59CFF7CDBD9A5920"),
 
892
                "CheckerRunning": False,
 
893
                "LastEnabled": "2019-01-03T00:00:00",
 
894
                "ApprovalPending": False,
 
895
                "ApprovedByDefault": True,
 
896
                "LastApprovalRequest": "",
 
897
                "ApprovalDelay": 0,
 
898
                "ApprovalDuration": 1000,
 
899
                "Checker": "fping -q -- %(host)s",
 
900
                "ExtendedTimeout": 900000,
 
901
                "Expires": "2019-02-04T00:00:00",
 
902
                "LastCheckerStatus": 0,
 
903
            },
 
904
            "barbar": {
 
905
                "Name": "barbar",
 
906
                "KeyID": ("0558568eedd67d622f5c83b35a115f79"
 
907
                          "6ab612cff5ad227247e46c2b020f441c"),
 
908
                "Host": "192.0.2.3",
 
909
                "Enabled": True,
 
910
                "Timeout": 300000,
 
911
                "LastCheckedOK": "2019-02-04T00:00:00",
 
912
                "Created": "2019-01-03T00:00:00",
 
913
                "Interval": 120000,
 
914
                "Fingerprint": ("3E393AEAEFB84C7E89E2"
 
915
                                "F547B3A107558FCA3A27"),
 
916
                "CheckerRunning": True,
 
917
                "LastEnabled": "2019-01-04T00:00:00",
 
918
                "ApprovalPending": False,
 
919
                "ApprovedByDefault": False,
 
920
                "LastApprovalRequest": "2019-01-03T00:00:00",
 
921
                "ApprovalDelay": 30000,
 
922
                "ApprovalDuration": 1000,
 
923
                "Checker": ":",
 
924
                "ExtendedTimeout": 900000,
 
925
                "Expires": "2019-02-05T00:00:00",
 
926
                "LastCheckerStatus": -2,
 
927
            },
 
928
        }
 
929
        return super(TestDumpJSONCmd, self).setUp()
 
930
    def test_normal(self):
 
931
        json_data = json.loads(DumpJSONCmd().output(self.clients))
 
932
        self.assertDictEqual(json_data, self.expected_json)
 
933
    def test_one_client(self):
 
934
        clients = {"foo": self.clients["foo"]}
 
935
        json_data = json.loads(DumpJSONCmd().output(clients))
 
936
        expected_json = {"foo": self.expected_json["foo"]}
 
937
        self.assertDictEqual(json_data, expected_json)
 
938
 
 
939
class TestIsEnabledCmd(TestCmd):
 
940
    def test_is_enabled(self):
 
941
        self.assertTrue(all(IsEnabledCmd().is_enabled(client)
 
942
                            for client in self.clients.values()))
 
943
    def test_is_enabled_does_get_attribute(self):
 
944
        client = self.clients["foo"]
 
945
        self.assertTrue(IsEnabledCmd().is_enabled(client))
 
946
        self.assertListEqual(client.calls,
 
947
                             [("Get",
 
948
                               ("se.recompile.Mandos.Client",
 
949
                                "Enabled",
 
950
                                "org.freedesktop.DBus.Properties"))])
 
951
    def test_is_enabled_run_exits_successfully(self):
 
952
        client = self.clients["foo"]
 
953
        with self.assertRaises(SystemExit) as e:
 
954
            IsEnabledCmd().run_on_one_client(client)
 
955
        if e.exception.code is not None:
 
956
            self.assertEqual(e.exception.code, 0)
 
957
        else:
 
958
            self.assertIsNone(e.exception.code)
 
959
    def test_is_enabled_run_exits_with_failure(self):
 
960
        client = self.clients["foo"]
 
961
        client["Enabled"] = dbus.Boolean(False)
 
962
        with self.assertRaises(SystemExit) as e:
 
963
            IsEnabledCmd().run_on_one_client(client)
 
964
        if isinstance(e.exception.code, int):
 
965
            self.assertNotEqual(e.exception.code, 0)
 
966
        else:
 
967
            self.assertIsNotNone(e.exception.code)
 
968
 
 
969
 
 
970
 
 
971
def should_only_run_tests():
 
972
    parser = argparse.ArgumentParser(add_help=False)
 
973
    parser.add_argument("--check", action='store_true')
 
974
    args, unknown_args = parser.parse_known_args()
 
975
    run_tests = args.check
 
976
    if run_tests:
 
977
        # Remove --check argument from sys.argv
 
978
        sys.argv[1:] = unknown_args
 
979
    return run_tests
 
980
 
 
981
# Add all tests from doctest strings
 
982
def load_tests(loader, tests, none):
 
983
    import doctest
 
984
    tests.addTests(doctest.DocTestSuite())
 
985
    return tests
 
986
 
 
987
if __name__ == "__main__":
 
988
    if should_only_run_tests():
 
989
        # Call using ./tdd-python-script --check [--verbose]
 
990
        unittest.main()
 
991
    else:
 
992
        main()