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  • Committer: Teddy Hogeborn
  • Date: 2019-03-09 15:47:52 UTC
  • mto: This revision was merged to the branch mainline in revision 1046.
  • Revision ID: teddy@recompile.se-20190309154752-hdp3hcbagkvqx91f
mandos-ctl: Refactor

* mandos-ctl (Command.run): Take additional "mandos_objmgr" parameter.
                            All callers changed.
  (PrintTableCmd.output, DumpJSONCmd.output): Take additional
         "mandos_objmgr" parameter, and "clients" is now a sequence of
         attribute dicts.  All callers changed.

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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
import io
 
46
import tempfile
 
47
import contextlib
 
48
 
 
49
import dbus
 
50
 
 
51
# Show warnings by default
 
52
if not sys.warnoptions:
 
53
    import warnings
 
54
    warnings.simplefilter("default")
 
55
 
 
56
log = logging.getLogger(sys.argv[0])
 
57
logging.basicConfig(level="INFO", # Show info level messages
 
58
                    format="%(message)s") # Show basic log messages
 
59
 
 
60
logging.captureWarnings(True)   # Show warnings via the logging system
 
61
 
 
62
if sys.version_info.major == 2:
 
63
    str = unicode
 
64
 
 
65
locale.setlocale(locale.LC_ALL, "")
 
66
 
 
67
domain = "se.recompile"
 
68
busname = domain + ".Mandos"
 
69
server_path = "/"
 
70
server_interface = domain + ".Mandos"
 
71
client_interface = domain + ".Mandos.Client"
 
72
version = "1.8.3"
 
73
 
 
74
 
 
75
try:
 
76
    dbus.OBJECT_MANAGER_IFACE
 
77
except AttributeError:
 
78
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
79
 
 
80
 
 
81
def milliseconds_to_string(ms):
 
82
    td = datetime.timedelta(0, 0, 0, ms)
 
83
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
84
            .format(days="{}T".format(td.days) if td.days else "",
 
85
                    hours=td.seconds // 3600,
 
86
                    minutes=(td.seconds % 3600) // 60,
 
87
                    seconds=td.seconds % 60))
 
88
 
 
89
 
 
90
def rfc3339_duration_to_delta(duration):
 
91
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
92
 
 
93
    >>> rfc3339_duration_to_delta("P7D")
 
94
    datetime.timedelta(7)
 
95
    >>> rfc3339_duration_to_delta("PT60S")
 
96
    datetime.timedelta(0, 60)
 
97
    >>> rfc3339_duration_to_delta("PT60M")
 
98
    datetime.timedelta(0, 3600)
 
99
    >>> rfc3339_duration_to_delta("P60M")
 
100
    datetime.timedelta(1680)
 
101
    >>> rfc3339_duration_to_delta("PT24H")
 
102
    datetime.timedelta(1)
 
103
    >>> rfc3339_duration_to_delta("P1W")
 
104
    datetime.timedelta(7)
 
105
    >>> rfc3339_duration_to_delta("PT5M30S")
 
106
    datetime.timedelta(0, 330)
 
107
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
108
    datetime.timedelta(1, 200)
 
109
    >>> # Can not be empty:
 
110
    >>> rfc3339_duration_to_delta("")
 
111
    Traceback (most recent call last):
 
112
    ...
 
113
    ValueError: Invalid RFC 3339 duration: u''
 
114
    >>> # Must start with "P":
 
115
    >>> rfc3339_duration_to_delta("1D")
 
116
    Traceback (most recent call last):
 
117
    ...
 
118
    ValueError: Invalid RFC 3339 duration: u'1D'
 
119
    >>> # Must use correct order
 
120
    >>> rfc3339_duration_to_delta("PT1S2M")
 
121
    Traceback (most recent call last):
 
122
    ...
 
123
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
 
124
    >>> # Time needs time marker
 
125
    >>> rfc3339_duration_to_delta("P1H2S")
 
126
    Traceback (most recent call last):
 
127
    ...
 
128
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
 
129
    >>> # Weeks can not be combined with anything else
 
130
    >>> rfc3339_duration_to_delta("P1D2W")
 
131
    Traceback (most recent call last):
 
132
    ...
 
133
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
 
134
    >>> rfc3339_duration_to_delta("P2W2H")
 
135
    Traceback (most recent call last):
 
136
    ...
 
137
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
 
138
    """
 
139
 
 
140
    # Parsing an RFC 3339 duration with regular expressions is not
 
141
    # possible - there would have to be multiple places for the same
 
142
    # values, like seconds.  The current code, while more esoteric, is
 
143
    # cleaner without depending on a parsing library.  If Python had a
 
144
    # built-in library for parsing we would use it, but we'd like to
 
145
    # avoid excessive use of external libraries.
 
146
 
 
147
    # New type for defining tokens, syntax, and semantics all-in-one
 
148
    Token = collections.namedtuple("Token", (
 
149
        "regexp",  # To match token; if "value" is not None, must have
 
150
                   # a "group" containing digits
 
151
        "value",   # datetime.timedelta or None
 
152
        "followers"))           # Tokens valid after this token
 
153
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
154
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
155
    token_end = Token(re.compile(r"$"), None, frozenset())
 
156
    token_second = Token(re.compile(r"(\d+)S"),
 
157
                         datetime.timedelta(seconds=1),
 
158
                         frozenset((token_end, )))
 
159
    token_minute = Token(re.compile(r"(\d+)M"),
 
160
                         datetime.timedelta(minutes=1),
 
161
                         frozenset((token_second, token_end)))
 
162
    token_hour = Token(re.compile(r"(\d+)H"),
 
163
                       datetime.timedelta(hours=1),
 
164
                       frozenset((token_minute, token_end)))
 
165
    token_time = Token(re.compile(r"T"),
 
166
                       None,
 
167
                       frozenset((token_hour, token_minute,
 
168
                                  token_second)))
 
169
    token_day = Token(re.compile(r"(\d+)D"),
 
170
                      datetime.timedelta(days=1),
 
171
                      frozenset((token_time, token_end)))
 
172
    token_month = Token(re.compile(r"(\d+)M"),
 
173
                        datetime.timedelta(weeks=4),
 
174
                        frozenset((token_day, token_end)))
 
175
    token_year = Token(re.compile(r"(\d+)Y"),
 
176
                       datetime.timedelta(weeks=52),
 
177
                       frozenset((token_month, token_end)))
 
178
    token_week = Token(re.compile(r"(\d+)W"),
 
179
                       datetime.timedelta(weeks=1),
 
180
                       frozenset((token_end, )))
 
181
    token_duration = Token(re.compile(r"P"), None,
 
182
                           frozenset((token_year, token_month,
 
183
                                      token_day, token_time,
 
184
                                      token_week)))
 
185
    # Define starting values:
 
186
    # Value so far
 
187
    value = datetime.timedelta()
 
188
    found_token = None
 
189
    # Following valid tokens
 
190
    followers = frozenset((token_duration, ))
 
191
    # String left to parse
 
192
    s = duration
 
193
    # Loop until end token is found
 
194
    while found_token is not token_end:
 
195
        # Search for any currently valid tokens
 
196
        for token in followers:
 
197
            match = token.regexp.match(s)
 
198
            if match is not None:
 
199
                # Token found
 
200
                if token.value is not None:
 
201
                    # Value found, parse digits
 
202
                    factor = int(match.group(1), 10)
 
203
                    # Add to value so far
 
204
                    value += factor * token.value
 
205
                # Strip token from string
 
206
                s = token.regexp.sub("", s, 1)
 
207
                # Go to found token
 
208
                found_token = token
 
209
                # Set valid next tokens
 
210
                followers = found_token.followers
 
211
                break
 
212
        else:
 
213
            # No currently valid tokens were found
 
214
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
215
                             .format(duration))
 
216
    # End token found
 
217
    return value
 
218
 
 
219
 
 
220
def string_to_delta(interval):
 
221
    """Parse a string and return a datetime.timedelta"""
 
222
 
 
223
    try:
 
224
        return rfc3339_duration_to_delta(interval)
 
225
    except ValueError as e:
 
226
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
 
227
                    ' '.join(e.args))
 
228
    return parse_pre_1_6_1_interval(interval)
 
229
 
 
230
 
 
231
def parse_pre_1_6_1_interval(interval):
 
232
    """Parse an interval string as documented by Mandos before 1.6.1,
 
233
    and return a datetime.timedelta
 
234
 
 
235
    >>> parse_pre_1_6_1_interval('7d')
 
236
    datetime.timedelta(7)
 
237
    >>> parse_pre_1_6_1_interval('60s')
 
238
    datetime.timedelta(0, 60)
 
239
    >>> parse_pre_1_6_1_interval('60m')
 
240
    datetime.timedelta(0, 3600)
 
241
    >>> parse_pre_1_6_1_interval('24h')
 
242
    datetime.timedelta(1)
 
243
    >>> parse_pre_1_6_1_interval('1w')
 
244
    datetime.timedelta(7)
 
245
    >>> parse_pre_1_6_1_interval('5m 30s')
 
246
    datetime.timedelta(0, 330)
 
247
    >>> parse_pre_1_6_1_interval('')
 
248
    datetime.timedelta(0)
 
249
    >>> # Ignore unknown characters, allow any order and repetitions
 
250
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
 
251
    datetime.timedelta(2, 480, 18000)
 
252
 
 
253
    """
 
254
 
 
255
    value = datetime.timedelta(0)
 
256
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
257
 
 
258
    for num, suffix in regexp.findall(interval):
 
259
        if suffix == "d":
 
260
            value += datetime.timedelta(int(num))
 
261
        elif suffix == "s":
 
262
            value += datetime.timedelta(0, int(num))
 
263
        elif suffix == "m":
 
264
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
265
        elif suffix == "h":
 
266
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
267
        elif suffix == "w":
 
268
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
269
        elif suffix == "":
 
270
            value += datetime.timedelta(0, 0, 0, int(num))
 
271
    return value
 
272
 
 
273
 
 
274
## Classes for commands.
 
275
 
 
276
# Abstract classes first
 
277
class Command(object):
 
278
    """Abstract class for commands"""
 
279
    def run(self, mandos, mandos_objmgr, clients):
 
280
        """Normal commands should implement run_on_one_client(), but
 
281
        commands which want to operate on all clients at the same time
 
282
        can override this run() method instead."""
 
283
        self.mandos = mandos
 
284
        for client, properties in clients.items():
 
285
            self.run_on_one_client(client, properties)
 
286
 
 
287
class PrintCmd(Command):
 
288
    """Abstract class for commands printing client details"""
 
289
    all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
290
                    "Created", "Interval", "Host", "KeyID",
 
291
                    "Fingerprint", "CheckerRunning", "LastEnabled",
 
292
                    "ApprovalPending", "ApprovedByDefault",
 
293
                    "LastApprovalRequest", "ApprovalDelay",
 
294
                    "ApprovalDuration", "Checker", "ExtendedTimeout",
 
295
                    "Expires", "LastCheckerStatus")
 
296
    def run(self, mandos, mandos_objmgr, clients):
 
297
        print(self.output(mandos_objmgr, clients.values()))
 
298
 
 
299
class PropertyCmd(Command):
 
300
    """Abstract class for Actions for setting one client property"""
 
301
    def run_on_one_client(self, client, properties):
 
302
        """Set the Client's D-Bus property"""
 
303
        log.debug("D-Bus: %s:%s:%s.Set(%r, %r, %r)", busname,
 
304
                  client.__dbus_object_path__,
 
305
                  dbus.PROPERTIES_IFACE, client_interface,
 
306
                  self.property, self.value_to_set
 
307
                  if not isinstance(self.value_to_set, dbus.Boolean)
 
308
                  else bool(self.value_to_set))
 
309
        client.Set(client_interface, self.property, self.value_to_set,
 
310
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
311
 
 
312
class ValueArgumentMixIn(object):
 
313
    """Mixin class for commands taking a value as argument"""
 
314
    def __init__(self, value):
 
315
        self.value_to_set = value
 
316
 
 
317
class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):
 
318
    """Mixin class for commands taking a value argument as
 
319
    milliseconds."""
 
320
    @property
 
321
    def value_to_set(self):
 
322
        return self._vts
 
323
    @value_to_set.setter
 
324
    def value_to_set(self, value):
 
325
        """When setting, convert value to a datetime.timedelta"""
 
326
        self._vts = int(round(value.total_seconds() * 1000))
 
327
 
 
328
# Actual (non-abstract) command classes
 
329
 
 
330
class PrintTableCmd(PrintCmd):
 
331
    def __init__(self, verbose=False):
 
332
        self.verbose = verbose
 
333
 
 
334
    def output(self, mandos_objmgr, clients):
 
335
        default_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
336
        keywords = default_keywords
 
337
        if self.verbose:
 
338
            keywords = self.all_keywords
 
339
        return str(self.TableOfClients(clients, keywords))
 
340
 
 
341
    class TableOfClients(object):
 
342
        tableheaders = {
 
343
            "Name": "Name",
 
344
            "Enabled": "Enabled",
 
345
            "Timeout": "Timeout",
 
346
            "LastCheckedOK": "Last Successful Check",
 
347
            "LastApprovalRequest": "Last Approval Request",
 
348
            "Created": "Created",
 
349
            "Interval": "Interval",
 
350
            "Host": "Host",
 
351
            "Fingerprint": "Fingerprint",
 
352
            "KeyID": "Key ID",
 
353
            "CheckerRunning": "Check Is Running",
 
354
            "LastEnabled": "Last Enabled",
 
355
            "ApprovalPending": "Approval Is Pending",
 
356
            "ApprovedByDefault": "Approved By Default",
 
357
            "ApprovalDelay": "Approval Delay",
 
358
            "ApprovalDuration": "Approval Duration",
 
359
            "Checker": "Checker",
 
360
            "ExtendedTimeout": "Extended Timeout",
 
361
            "Expires": "Expires",
 
362
            "LastCheckerStatus": "Last Checker Status",
 
363
        }
 
364
 
 
365
        def __init__(self, clients, keywords, tableheaders=None):
 
366
            self.clients = clients
 
367
            self.keywords = keywords
 
368
            if tableheaders is not None:
 
369
                self.tableheaders = tableheaders
 
370
 
 
371
        def __str__(self):
 
372
            return "\n".join(self.rows())
 
373
 
 
374
        if sys.version_info.major == 2:
 
375
            __unicode__ = __str__
 
376
            def __str__(self):
 
377
                return str(self).encode(locale.getpreferredencoding())
 
378
 
 
379
        def rows(self):
 
380
            format_string = self.row_formatting_string()
 
381
            rows = [self.header_line(format_string)]
 
382
            rows.extend(self.client_line(client, format_string)
 
383
                        for client in self.clients)
 
384
            return rows
 
385
 
 
386
        def row_formatting_string(self):
 
387
            "Format string used to format table rows"
 
388
            return " ".join("{{{key}:{width}}}".format(
 
389
                width=max(len(self.tableheaders[key]),
 
390
                          *(len(self.string_from_client(client, key))
 
391
                            for client in self.clients)),
 
392
                key=key)
 
393
                            for key in self.keywords)
 
394
 
 
395
        def string_from_client(self, client, key):
 
396
            return self.valuetostring(client[key], key)
 
397
 
 
398
        @staticmethod
 
399
        def valuetostring(value, keyword):
 
400
            if isinstance(value, dbus.Boolean):
 
401
                return "Yes" if value else "No"
 
402
            if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
403
                           "ApprovalDuration", "ExtendedTimeout"):
 
404
                return milliseconds_to_string(value)
 
405
            return str(value)
 
406
 
 
407
        def header_line(self, format_string):
 
408
            return format_string.format(**self.tableheaders)
 
409
 
 
410
        def client_line(self, client, format_string):
 
411
            return format_string.format(
 
412
                **{key: self.string_from_client(client, key)
 
413
                   for key in self.keywords})
 
414
 
 
415
 
 
416
 
 
417
class DumpJSONCmd(PrintCmd):
 
418
    def output(self, mandos_objmgr, clients):
 
419
        data = {client["Name"]:
 
420
                {key: self.dbus_boolean_to_bool(client[key])
 
421
                 for key in self.all_keywords}
 
422
                for client in clients.values()}
 
423
        return json.dumps(data, indent=4, separators=(',', ': '))
 
424
    @staticmethod
 
425
    def dbus_boolean_to_bool(value):
 
426
        if isinstance(value, dbus.Boolean):
 
427
            value = bool(value)
 
428
        return value
 
429
 
 
430
class IsEnabledCmd(Command):
 
431
    def run_on_one_client(self, client, properties):
 
432
        if self.is_enabled(client, properties):
 
433
            sys.exit(0)
 
434
        sys.exit(1)
 
435
    def is_enabled(self, client, properties):
 
436
        log.debug("D-Bus: %s:%s:%s.Get(%r, %r)", busname,
 
437
                  client.__dbus_object_path__,
 
438
                  dbus.PROPERTIES_IFACE, client_interface,
 
439
                  "Enabled")
 
440
        return bool(client.Get(client_interface, "Enabled",
 
441
                               dbus_interface=dbus.PROPERTIES_IFACE))
 
442
 
 
443
class RemoveCmd(Command):
 
444
    def run_on_one_client(self, client, properties):
 
445
        log.debug("D-Bus: %s:%s:%s.RemoveClient(%r)", busname,
 
446
                  server_path, server_interface,
 
447
                  str(client.__dbus_object_path__))
 
448
        self.mandos.RemoveClient(client.__dbus_object_path__)
 
449
 
 
450
class ApproveCmd(Command):
 
451
    def run_on_one_client(self, client, properties):
 
452
        log.debug("D-Bus: %s:%s.Approve(True)",
 
453
                  client.__dbus_object_path__, client_interface)
 
454
        client.Approve(dbus.Boolean(True),
 
455
                       dbus_interface=client_interface)
 
456
 
 
457
class DenyCmd(Command):
 
458
    def run_on_one_client(self, client, properties):
 
459
        log.debug("D-Bus: %s:%s.Approve(False)",
 
460
                  client.__dbus_object_path__, client_interface)
 
461
        client.Approve(dbus.Boolean(False),
 
462
                       dbus_interface=client_interface)
 
463
 
 
464
class EnableCmd(PropertyCmd):
 
465
    property = "Enabled"
 
466
    value_to_set = dbus.Boolean(True)
 
467
 
 
468
class DisableCmd(PropertyCmd):
 
469
    property = "Enabled"
 
470
    value_to_set = dbus.Boolean(False)
 
471
 
 
472
class BumpTimeoutCmd(PropertyCmd):
 
473
    property = "LastCheckedOK"
 
474
    value_to_set = ""
 
475
 
 
476
class StartCheckerCmd(PropertyCmd):
 
477
    property = "CheckerRunning"
 
478
    value_to_set = dbus.Boolean(True)
 
479
 
 
480
class StopCheckerCmd(PropertyCmd):
 
481
    property = "CheckerRunning"
 
482
    value_to_set = dbus.Boolean(False)
 
483
 
 
484
class ApproveByDefaultCmd(PropertyCmd):
 
485
    property = "ApprovedByDefault"
 
486
    value_to_set = dbus.Boolean(True)
 
487
 
 
488
class DenyByDefaultCmd(PropertyCmd):
 
489
    property = "ApprovedByDefault"
 
490
    value_to_set = dbus.Boolean(False)
 
491
 
 
492
class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):
 
493
    property = "Checker"
 
494
 
 
495
class SetHostCmd(PropertyCmd, ValueArgumentMixIn):
 
496
    property = "Host"
 
497
 
 
498
class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):
 
499
    @property
 
500
    def value_to_set(self):
 
501
        return self._vts
 
502
    @value_to_set.setter
 
503
    def value_to_set(self, value):
 
504
        """When setting, read data from supplied file object"""
 
505
        self._vts = value.read()
 
506
        value.close()
 
507
    property = "Secret"
 
508
 
 
509
class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
510
    property = "Timeout"
 
511
 
 
512
class SetExtendedTimeoutCmd(PropertyCmd,
 
513
                            MillisecondsValueArgumentMixIn):
 
514
    property = "ExtendedTimeout"
 
515
 
 
516
class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
517
    property = "Interval"
 
518
 
 
519
class SetApprovalDelayCmd(PropertyCmd,
 
520
                          MillisecondsValueArgumentMixIn):
 
521
    property = "ApprovalDelay"
 
522
 
 
523
class SetApprovalDurationCmd(PropertyCmd,
 
524
                             MillisecondsValueArgumentMixIn):
 
525
    property = "ApprovalDuration"
 
526
 
 
527
def add_command_line_options(parser):
 
528
    parser.add_argument("--version", action="version",
 
529
                        version="%(prog)s {}".format(version),
 
530
                        help="show version number and exit")
 
531
    parser.add_argument("-a", "--all", action="store_true",
 
532
                        help="Select all clients")
 
533
    parser.add_argument("-v", "--verbose", action="store_true",
 
534
                        help="Print all fields")
 
535
    parser.add_argument("-j", "--dump-json", action="store_true",
 
536
                        help="Dump client data in JSON format")
 
537
    enable_disable = parser.add_mutually_exclusive_group()
 
538
    enable_disable.add_argument("-e", "--enable", action="store_true",
 
539
                                help="Enable client")
 
540
    enable_disable.add_argument("-d", "--disable",
 
541
                                action="store_true",
 
542
                                help="disable client")
 
543
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
544
                        help="Bump timeout for client")
 
545
    start_stop_checker = parser.add_mutually_exclusive_group()
 
546
    start_stop_checker.add_argument("--start-checker",
 
547
                                    action="store_true",
 
548
                                    help="Start checker for client")
 
549
    start_stop_checker.add_argument("--stop-checker",
 
550
                                    action="store_true",
 
551
                                    help="Stop checker for client")
 
552
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
553
                        help="Check if client is enabled")
 
554
    parser.add_argument("-r", "--remove", action="store_true",
 
555
                        help="Remove client")
 
556
    parser.add_argument("-c", "--checker",
 
557
                        help="Set checker command for client")
 
558
    parser.add_argument("-t", "--timeout", type=string_to_delta,
 
559
                        help="Set timeout for client")
 
560
    parser.add_argument("--extended-timeout", type=string_to_delta,
 
561
                        help="Set extended timeout for client")
 
562
    parser.add_argument("-i", "--interval", type=string_to_delta,
 
563
                        help="Set checker interval for client")
 
564
    approve_deny_default = parser.add_mutually_exclusive_group()
 
565
    approve_deny_default.add_argument(
 
566
        "--approve-by-default", action="store_true",
 
567
        default=None, dest="approved_by_default",
 
568
        help="Set client to be approved by default")
 
569
    approve_deny_default.add_argument(
 
570
        "--deny-by-default", action="store_false",
 
571
        dest="approved_by_default",
 
572
        help="Set client to be denied by default")
 
573
    parser.add_argument("--approval-delay", type=string_to_delta,
 
574
                        help="Set delay before client approve/deny")
 
575
    parser.add_argument("--approval-duration", type=string_to_delta,
 
576
                        help="Set duration of one client approval")
 
577
    parser.add_argument("-H", "--host", help="Set host for client")
 
578
    parser.add_argument("-s", "--secret",
 
579
                        type=argparse.FileType(mode="rb"),
 
580
                        help="Set password blob (file) for client")
 
581
    approve_deny = parser.add_mutually_exclusive_group()
 
582
    approve_deny.add_argument(
 
583
        "-A", "--approve", action="store_true",
 
584
        help="Approve any current client request")
 
585
    approve_deny.add_argument("-D", "--deny", action="store_true",
 
586
                              help="Deny any current client request")
 
587
    parser.add_argument("--debug", action="store_true",
 
588
                        help="Debug mode (show D-Bus commands)")
 
589
    parser.add_argument("--check", action="store_true",
 
590
                        help="Run self-test")
 
591
    parser.add_argument("client", nargs="*", help="Client name")
 
592
 
 
593
 
 
594
def commands_from_options(options):
 
595
 
 
596
    commands = []
 
597
 
 
598
    if options.dump_json:
 
599
        commands.append(DumpJSONCmd())
 
600
 
 
601
    if options.enable:
 
602
        commands.append(EnableCmd())
 
603
 
 
604
    if options.disable:
 
605
        commands.append(DisableCmd())
 
606
 
 
607
    if options.bump_timeout:
 
608
        commands.append(BumpTimeoutCmd())
 
609
 
 
610
    if options.start_checker:
 
611
        commands.append(StartCheckerCmd())
 
612
 
 
613
    if options.stop_checker:
 
614
        commands.append(StopCheckerCmd())
 
615
 
 
616
    if options.is_enabled:
 
617
        commands.append(IsEnabledCmd())
 
618
 
 
619
    if options.checker is not None:
 
620
        commands.append(SetCheckerCmd(options.checker))
 
621
 
 
622
    if options.timeout is not None:
 
623
        commands.append(SetTimeoutCmd(options.timeout))
 
624
 
 
625
    if options.extended_timeout:
 
626
        commands.append(
 
627
            SetExtendedTimeoutCmd(options.extended_timeout))
 
628
 
 
629
    if options.interval is not None:
 
630
        commands.append(SetIntervalCmd(options.interval))
 
631
 
 
632
    if options.approved_by_default is not None:
 
633
        if options.approved_by_default:
 
634
            commands.append(ApproveByDefaultCmd())
 
635
        else:
 
636
            commands.append(DenyByDefaultCmd())
 
637
 
 
638
    if options.approval_delay is not None:
 
639
        commands.append(SetApprovalDelayCmd(options.approval_delay))
 
640
 
 
641
    if options.approval_duration is not None:
 
642
        commands.append(
 
643
            SetApprovalDurationCmd(options.approval_duration))
 
644
 
 
645
    if options.host is not None:
 
646
        commands.append(SetHostCmd(options.host))
 
647
 
 
648
    if options.secret is not None:
 
649
        commands.append(SetSecretCmd(options.secret))
 
650
 
 
651
    if options.approve:
 
652
        commands.append(ApproveCmd())
 
653
 
 
654
    if options.deny:
 
655
        commands.append(DenyCmd())
 
656
 
 
657
    if options.remove:
 
658
        commands.append(RemoveCmd())
 
659
 
 
660
    # If no command option has been given, show table of clients,
 
661
    # optionally verbosely
 
662
    if not commands:
 
663
        commands.append(PrintTableCmd(verbose=options.verbose))
 
664
 
 
665
    return commands
 
666
 
 
667
 
 
668
def check_option_syntax(parser, options):
 
669
    """Apply additional restrictions on options, not expressible in
 
670
argparse"""
 
671
 
 
672
    def has_actions(options):
 
673
        return any((options.enable,
 
674
                    options.disable,
 
675
                    options.bump_timeout,
 
676
                    options.start_checker,
 
677
                    options.stop_checker,
 
678
                    options.is_enabled,
 
679
                    options.remove,
 
680
                    options.checker is not None,
 
681
                    options.timeout is not None,
 
682
                    options.extended_timeout is not None,
 
683
                    options.interval is not None,
 
684
                    options.approved_by_default is not None,
 
685
                    options.approval_delay is not None,
 
686
                    options.approval_duration is not None,
 
687
                    options.host is not None,
 
688
                    options.secret is not None,
 
689
                    options.approve,
 
690
                    options.deny))
 
691
 
 
692
    if has_actions(options) and not (options.client or options.all):
 
693
        parser.error("Options require clients names or --all.")
 
694
    if options.verbose and has_actions(options):
 
695
        parser.error("--verbose can only be used alone.")
 
696
    if options.dump_json and (options.verbose
 
697
                              or has_actions(options)):
 
698
        parser.error("--dump-json can only be used alone.")
 
699
    if options.all and not has_actions(options):
 
700
        parser.error("--all requires an action.")
 
701
    if options.is_enabled and len(options.client) > 1:
 
702
        parser.error("--is-enabled requires exactly one client")
 
703
    if options.remove:
 
704
        options.remove = False
 
705
        if has_actions(options) and not options.deny:
 
706
            parser.error("--remove can only be combined with --deny")
 
707
        options.remove = True
 
708
 
 
709
 
 
710
def main():
 
711
    parser = argparse.ArgumentParser()
 
712
 
 
713
    add_command_line_options(parser)
 
714
 
 
715
    options = parser.parse_args()
 
716
 
 
717
    check_option_syntax(parser, options)
 
718
 
 
719
    clientnames = options.client
 
720
 
 
721
    if options.debug:
 
722
        log.setLevel(logging.DEBUG)
 
723
 
 
724
    try:
 
725
        bus = dbus.SystemBus()
 
726
        log.debug("D-Bus: Connect to: (name=%r, path=%r)", busname,
 
727
                  server_path)
 
728
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
729
    except dbus.exceptions.DBusException:
 
730
        log.critical("Could not connect to Mandos server")
 
731
        sys.exit(1)
 
732
 
 
733
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
734
                                 dbus_interface=server_interface)
 
735
    mandos_serv_object_manager = dbus.Interface(
 
736
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
737
 
 
738
    # Filter out log message from dbus module
 
739
    dbus_logger = logging.getLogger("dbus.proxies")
 
740
    class NullFilter(logging.Filter):
 
741
        def filter(self, record):
 
742
            return False
 
743
    dbus_filter = NullFilter()
 
744
    try:
 
745
        dbus_logger.addFilter(dbus_filter)
 
746
        log.debug("D-Bus: %s:%s:%s.GetManagedObjects()", busname,
 
747
                  server_path, dbus.OBJECT_MANAGER_IFACE)
 
748
        mandos_clients = {path: ifs_and_props[client_interface]
 
749
                          for path, ifs_and_props in
 
750
                          mandos_serv_object_manager
 
751
                          .GetManagedObjects().items()
 
752
                          if client_interface in ifs_and_props}
 
753
    except dbus.exceptions.DBusException as e:
 
754
        log.critical("Failed to access Mandos server through D-Bus:"
 
755
                     "\n%s", e)
 
756
        sys.exit(1)
 
757
    finally:
 
758
        # restore dbus logger
 
759
        dbus_logger.removeFilter(dbus_filter)
 
760
 
 
761
    # Compile dict of (clients: properties) to process
 
762
    clients = {}
 
763
 
 
764
    if not clientnames:
 
765
        clients = {bus.get_object(busname, path): properties
 
766
                   for path, properties in mandos_clients.items()}
 
767
    else:
 
768
        for name in clientnames:
 
769
            for path, client in mandos_clients.items():
 
770
                if client["Name"] == name:
 
771
                    client_objc = bus.get_object(busname, path)
 
772
                    clients[client_objc] = client
 
773
                    break
 
774
            else:
 
775
                log.critical("Client not found on server: %r", name)
 
776
                sys.exit(1)
 
777
 
 
778
    # Run all commands on clients
 
779
    commands = commands_from_options(options)
 
780
    for command in commands:
 
781
        command.run(mandos_serv, mandos_serv_object_manager, clients)
 
782
 
 
783
 
 
784
class Test_milliseconds_to_string(unittest.TestCase):
 
785
    def test_all(self):
 
786
        self.assertEqual(milliseconds_to_string(93785000),
 
787
                         "1T02:03:05")
 
788
    def test_no_days(self):
 
789
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
 
790
    def test_all_zero(self):
 
791
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
 
792
    def test_no_fractional_seconds(self):
 
793
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
 
794
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
 
795
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
 
796
 
 
797
class Test_string_to_delta(unittest.TestCase):
 
798
    def test_handles_basic_rfc3339(self):
 
799
        self.assertEqual(string_to_delta("PT0S"),
 
800
                         datetime.timedelta())
 
801
        self.assertEqual(string_to_delta("P0D"),
 
802
                         datetime.timedelta())
 
803
        self.assertEqual(string_to_delta("PT1S"),
 
804
                         datetime.timedelta(0, 1))
 
805
        self.assertEqual(string_to_delta("PT2H"),
 
806
                         datetime.timedelta(0, 7200))
 
807
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
808
        # assertLogs only exists in Python 3.4
 
809
        if hasattr(self, "assertLogs"):
 
810
            with self.assertLogs(log, logging.WARNING):
 
811
                value = string_to_delta("2h")
 
812
        else:
 
813
            class WarningFilter(logging.Filter):
 
814
                """Don't show, but record the presence of, warnings"""
 
815
                def filter(self, record):
 
816
                    is_warning = record.levelno >= logging.WARNING
 
817
                    self.found = is_warning or getattr(self, "found",
 
818
                                                       False)
 
819
                    return not is_warning
 
820
            warning_filter = WarningFilter()
 
821
            log.addFilter(warning_filter)
 
822
            try:
 
823
                value = string_to_delta("2h")
 
824
            finally:
 
825
                log.removeFilter(warning_filter)
 
826
            self.assertTrue(getattr(warning_filter, "found", False))
 
827
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
828
 
 
829
 
 
830
class TestCmd(unittest.TestCase):
 
831
    """Abstract class for tests of command classes"""
 
832
    def setUp(self):
 
833
        testcase = self
 
834
        class MockClient(object):
 
835
            def __init__(self, name, **attributes):
 
836
                self.__dbus_object_path__ = "objpath_{}".format(name)
 
837
                self.attributes = attributes
 
838
                self.attributes["Name"] = name
 
839
                self.calls = []
 
840
            def Set(self, interface, property, value, dbus_interface):
 
841
                testcase.assertEqual(interface, client_interface)
 
842
                testcase.assertEqual(dbus_interface,
 
843
                                     dbus.PROPERTIES_IFACE)
 
844
                self.attributes[property] = value
 
845
            def Get(self, interface, property, dbus_interface):
 
846
                testcase.assertEqual(interface, client_interface)
 
847
                testcase.assertEqual(dbus_interface,
 
848
                                     dbus.PROPERTIES_IFACE)
 
849
                return self.attributes[property]
 
850
            def Approve(self, approve, dbus_interface):
 
851
                testcase.assertEqual(dbus_interface, client_interface)
 
852
                self.calls.append(("Approve", (approve,
 
853
                                               dbus_interface)))
 
854
        self.client = MockClient(
 
855
            "foo",
 
856
            KeyID=("92ed150794387c03ce684574b1139a65"
 
857
                   "94a34f895daaaf09fd8ea90a27cddb12"),
 
858
            Secret=b"secret",
 
859
            Host="foo.example.org",
 
860
            Enabled=dbus.Boolean(True),
 
861
            Timeout=300000,
 
862
            LastCheckedOK="2019-02-03T00:00:00",
 
863
            Created="2019-01-02T00:00:00",
 
864
            Interval=120000,
 
865
            Fingerprint=("778827225BA7DE539C5A"
 
866
                         "7CFA59CFF7CDBD9A5920"),
 
867
            CheckerRunning=dbus.Boolean(False),
 
868
            LastEnabled="2019-01-03T00:00:00",
 
869
            ApprovalPending=dbus.Boolean(False),
 
870
            ApprovedByDefault=dbus.Boolean(True),
 
871
            LastApprovalRequest="",
 
872
            ApprovalDelay=0,
 
873
            ApprovalDuration=1000,
 
874
            Checker="fping -q -- %(host)s",
 
875
            ExtendedTimeout=900000,
 
876
            Expires="2019-02-04T00:00:00",
 
877
            LastCheckerStatus=0)
 
878
        self.other_client = MockClient(
 
879
            "barbar",
 
880
            KeyID=("0558568eedd67d622f5c83b35a115f79"
 
881
                   "6ab612cff5ad227247e46c2b020f441c"),
 
882
            Secret=b"secretbar",
 
883
            Host="192.0.2.3",
 
884
            Enabled=dbus.Boolean(True),
 
885
            Timeout=300000,
 
886
            LastCheckedOK="2019-02-04T00:00:00",
 
887
            Created="2019-01-03T00:00:00",
 
888
            Interval=120000,
 
889
            Fingerprint=("3E393AEAEFB84C7E89E2"
 
890
                         "F547B3A107558FCA3A27"),
 
891
            CheckerRunning=dbus.Boolean(True),
 
892
            LastEnabled="2019-01-04T00:00:00",
 
893
            ApprovalPending=dbus.Boolean(False),
 
894
            ApprovedByDefault=dbus.Boolean(False),
 
895
            LastApprovalRequest="2019-01-03T00:00:00",
 
896
            ApprovalDelay=30000,
 
897
            ApprovalDuration=1000,
 
898
            Checker=":",
 
899
            ExtendedTimeout=900000,
 
900
            Expires="2019-02-05T00:00:00",
 
901
            LastCheckerStatus=-2)
 
902
        self.clients =  collections.OrderedDict(
 
903
            [
 
904
                (self.client, self.client.attributes),
 
905
                (self.other_client, self.other_client.attributes),
 
906
            ])
 
907
        self.one_client = {self.client: self.client.attributes}
 
908
 
 
909
class TestPrintTableCmd(TestCmd):
 
910
    def test_normal(self):
 
911
        output = PrintTableCmd().output(None, self.clients.values())
 
912
        expected_output = """
 
913
Name   Enabled Timeout  Last Successful Check
 
914
foo    Yes     00:05:00 2019-02-03T00:00:00  
 
915
barbar Yes     00:05:00 2019-02-04T00:00:00  
 
916
"""[1:-1]
 
917
        self.assertEqual(output, expected_output)
 
918
    def test_verbose(self):
 
919
        output = PrintTableCmd(verbose=True).output(
 
920
            None, self.clients.values())
 
921
        expected_output = """
 
922
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
 
923
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                  
 
924
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                 
 
925
"""[1:-1]
 
926
        self.assertEqual(output, expected_output)
 
927
    def test_one_client(self):
 
928
        output = PrintTableCmd().output(None, self.one_client.values())
 
929
        expected_output = """
 
930
Name Enabled Timeout  Last Successful Check
 
931
foo  Yes     00:05:00 2019-02-03T00:00:00  
 
932
"""[1:-1]
 
933
        self.assertEqual(output, expected_output)
 
934
 
 
935
class TestDumpJSONCmd(TestCmd):
 
936
    def setUp(self):
 
937
        self.expected_json = {
 
938
            "foo": {
 
939
                "Name": "foo",
 
940
                "KeyID": ("92ed150794387c03ce684574b1139a65"
 
941
                          "94a34f895daaaf09fd8ea90a27cddb12"),
 
942
                "Host": "foo.example.org",
 
943
                "Enabled": True,
 
944
                "Timeout": 300000,
 
945
                "LastCheckedOK": "2019-02-03T00:00:00",
 
946
                "Created": "2019-01-02T00:00:00",
 
947
                "Interval": 120000,
 
948
                "Fingerprint": ("778827225BA7DE539C5A"
 
949
                                "7CFA59CFF7CDBD9A5920"),
 
950
                "CheckerRunning": False,
 
951
                "LastEnabled": "2019-01-03T00:00:00",
 
952
                "ApprovalPending": False,
 
953
                "ApprovedByDefault": True,
 
954
                "LastApprovalRequest": "",
 
955
                "ApprovalDelay": 0,
 
956
                "ApprovalDuration": 1000,
 
957
                "Checker": "fping -q -- %(host)s",
 
958
                "ExtendedTimeout": 900000,
 
959
                "Expires": "2019-02-04T00:00:00",
 
960
                "LastCheckerStatus": 0,
 
961
            },
 
962
            "barbar": {
 
963
                "Name": "barbar",
 
964
                "KeyID": ("0558568eedd67d622f5c83b35a115f79"
 
965
                          "6ab612cff5ad227247e46c2b020f441c"),
 
966
                "Host": "192.0.2.3",
 
967
                "Enabled": True,
 
968
                "Timeout": 300000,
 
969
                "LastCheckedOK": "2019-02-04T00:00:00",
 
970
                "Created": "2019-01-03T00:00:00",
 
971
                "Interval": 120000,
 
972
                "Fingerprint": ("3E393AEAEFB84C7E89E2"
 
973
                                "F547B3A107558FCA3A27"),
 
974
                "CheckerRunning": True,
 
975
                "LastEnabled": "2019-01-04T00:00:00",
 
976
                "ApprovalPending": False,
 
977
                "ApprovedByDefault": False,
 
978
                "LastApprovalRequest": "2019-01-03T00:00:00",
 
979
                "ApprovalDelay": 30000,
 
980
                "ApprovalDuration": 1000,
 
981
                "Checker": ":",
 
982
                "ExtendedTimeout": 900000,
 
983
                "Expires": "2019-02-05T00:00:00",
 
984
                "LastCheckerStatus": -2,
 
985
            },
 
986
        }
 
987
        return super(TestDumpJSONCmd, self).setUp()
 
988
    def test_normal(self):
 
989
        json_data = json.loads(DumpJSONCmd().output(None,
 
990
                                                    self.clients))
 
991
        self.assertDictEqual(json_data, self.expected_json)
 
992
    def test_one_client(self):
 
993
        clients = self.one_client
 
994
        json_data = json.loads(DumpJSONCmd().output(None, clients))
 
995
        expected_json = {"foo": self.expected_json["foo"]}
 
996
        self.assertDictEqual(json_data, expected_json)
 
997
 
 
998
class TestIsEnabledCmd(TestCmd):
 
999
    def test_is_enabled(self):
 
1000
        self.assertTrue(all(IsEnabledCmd().is_enabled(client, properties)
 
1001
                            for client, properties in self.clients.items()))
 
1002
    def test_is_enabled_run_exits_successfully(self):
 
1003
        with self.assertRaises(SystemExit) as e:
 
1004
            IsEnabledCmd().run(None, None, self.one_client)
 
1005
        if e.exception.code is not None:
 
1006
            self.assertEqual(e.exception.code, 0)
 
1007
        else:
 
1008
            self.assertIsNone(e.exception.code)
 
1009
    def test_is_enabled_run_exits_with_failure(self):
 
1010
        self.client.attributes["Enabled"] = dbus.Boolean(False)
 
1011
        with self.assertRaises(SystemExit) as e:
 
1012
            IsEnabledCmd().run(None, None, self.one_client)
 
1013
        if isinstance(e.exception.code, int):
 
1014
            self.assertNotEqual(e.exception.code, 0)
 
1015
        else:
 
1016
            self.assertIsNotNone(e.exception.code)
 
1017
 
 
1018
class TestRemoveCmd(TestCmd):
 
1019
    def test_remove(self):
 
1020
        class MockMandos(object):
 
1021
            def __init__(self):
 
1022
                self.calls = []
 
1023
            def RemoveClient(self, dbus_path):
 
1024
                self.calls.append(("RemoveClient", (dbus_path,)))
 
1025
        mandos = MockMandos()
 
1026
        super(TestRemoveCmd, self).setUp()
 
1027
        RemoveCmd().run(mandos, None, self.clients)
 
1028
        self.assertEqual(len(mandos.calls), 2)
 
1029
        for client in self.clients:
 
1030
            self.assertIn(("RemoveClient",
 
1031
                           (client.__dbus_object_path__,)),
 
1032
                          mandos.calls)
 
1033
 
 
1034
class TestApproveCmd(TestCmd):
 
1035
    def test_approve(self):
 
1036
        ApproveCmd().run(None, None, self.clients)
 
1037
        for client in self.clients:
 
1038
            self.assertIn(("Approve", (True, client_interface)),
 
1039
                          client.calls)
 
1040
 
 
1041
class TestDenyCmd(TestCmd):
 
1042
    def test_deny(self):
 
1043
        DenyCmd().run(None, None, self.clients)
 
1044
        for client in self.clients:
 
1045
            self.assertIn(("Approve", (False, client_interface)),
 
1046
                          client.calls)
 
1047
 
 
1048
class TestEnableCmd(TestCmd):
 
1049
    def test_enable(self):
 
1050
        for client in self.clients:
 
1051
            client.attributes["Enabled"] = False
 
1052
 
 
1053
        EnableCmd().run(None, None, self.clients)
 
1054
 
 
1055
        for client in self.clients:
 
1056
            self.assertTrue(client.attributes["Enabled"])
 
1057
 
 
1058
class TestDisableCmd(TestCmd):
 
1059
    def test_disable(self):
 
1060
        DisableCmd().run(None, None, self.clients)
 
1061
 
 
1062
        for client in self.clients:
 
1063
            self.assertFalse(client.attributes["Enabled"])
 
1064
 
 
1065
class Unique(object):
 
1066
    """Class for objects which exist only to be unique objects, since
 
1067
unittest.mock.sentinel only exists in Python 3.3"""
 
1068
 
 
1069
class TestPropertyCmd(TestCmd):
 
1070
    """Abstract class for tests of PropertyCmd classes"""
 
1071
    def runTest(self):
 
1072
        if not hasattr(self, "command"):
 
1073
            return
 
1074
        values_to_get = getattr(self, "values_to_get",
 
1075
                                self.values_to_set)
 
1076
        for value_to_set, value_to_get in zip(self.values_to_set,
 
1077
                                              values_to_get):
 
1078
            for client in self.clients:
 
1079
                old_value = client.attributes[self.property]
 
1080
                self.assertNotIsInstance(old_value, Unique)
 
1081
                client.attributes[self.property] = Unique()
 
1082
            self.run_command(value_to_set, self.clients)
 
1083
            for client in self.clients:
 
1084
                value = client.attributes[self.property]
 
1085
                self.assertNotIsInstance(value, Unique)
 
1086
                self.assertEqual(value, value_to_get)
 
1087
    def run_command(self, value, clients):
 
1088
        self.command().run(None, None, clients)
 
1089
 
 
1090
class TestBumpTimeoutCmd(TestPropertyCmd):
 
1091
    command = BumpTimeoutCmd
 
1092
    property = "LastCheckedOK"
 
1093
    values_to_set = [""]
 
1094
 
 
1095
class TestStartCheckerCmd(TestPropertyCmd):
 
1096
    command = StartCheckerCmd
 
1097
    property = "CheckerRunning"
 
1098
    values_to_set = [dbus.Boolean(True)]
 
1099
 
 
1100
class TestStopCheckerCmd(TestPropertyCmd):
 
1101
    command = StopCheckerCmd
 
1102
    property = "CheckerRunning"
 
1103
    values_to_set = [dbus.Boolean(False)]
 
1104
 
 
1105
class TestApproveByDefaultCmd(TestPropertyCmd):
 
1106
    command = ApproveByDefaultCmd
 
1107
    property = "ApprovedByDefault"
 
1108
    values_to_set = [dbus.Boolean(True)]
 
1109
 
 
1110
class TestDenyByDefaultCmd(TestPropertyCmd):
 
1111
    command = DenyByDefaultCmd
 
1112
    property = "ApprovedByDefault"
 
1113
    values_to_set = [dbus.Boolean(False)]
 
1114
 
 
1115
class TestValueArgumentPropertyCmd(TestPropertyCmd):
 
1116
    """Abstract class for tests of PropertyCmd classes using the
 
1117
ValueArgumentMixIn"""
 
1118
    def runTest(self):
 
1119
        if type(self) is TestValueArgumentPropertyCmd:
 
1120
            return
 
1121
        return super(TestValueArgumentPropertyCmd, self).runTest()
 
1122
    def run_command(self, value, clients):
 
1123
        self.command(value).run(None, None, clients)
 
1124
 
 
1125
class TestSetCheckerCmd(TestValueArgumentPropertyCmd):
 
1126
    command = SetCheckerCmd
 
1127
    property = "Checker"
 
1128
    values_to_set = ["", ":", "fping -q -- %s"]
 
1129
 
 
1130
class TestSetHostCmd(TestValueArgumentPropertyCmd):
 
1131
    command = SetHostCmd
 
1132
    property = "Host"
 
1133
    values_to_set = ["192.0.2.3", "foo.example.org"]
 
1134
 
 
1135
class TestSetSecretCmd(TestValueArgumentPropertyCmd):
 
1136
    command = SetSecretCmd
 
1137
    property = "Secret"
 
1138
    values_to_set = [io.BytesIO(b""),
 
1139
                     io.BytesIO(b"secret\0xyzzy\nbar")]
 
1140
    values_to_get = [b"", b"secret\0xyzzy\nbar"]
 
1141
 
 
1142
class TestSetTimeoutCmd(TestValueArgumentPropertyCmd):
 
1143
    command = SetTimeoutCmd
 
1144
    property = "Timeout"
 
1145
    values_to_set = [datetime.timedelta(),
 
1146
                     datetime.timedelta(minutes=5),
 
1147
                     datetime.timedelta(seconds=1),
 
1148
                     datetime.timedelta(weeks=1),
 
1149
                     datetime.timedelta(weeks=52)]
 
1150
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1151
 
 
1152
class TestSetExtendedTimeoutCmd(TestValueArgumentPropertyCmd):
 
1153
    command = SetExtendedTimeoutCmd
 
1154
    property = "ExtendedTimeout"
 
1155
    values_to_set = [datetime.timedelta(),
 
1156
                     datetime.timedelta(minutes=5),
 
1157
                     datetime.timedelta(seconds=1),
 
1158
                     datetime.timedelta(weeks=1),
 
1159
                     datetime.timedelta(weeks=52)]
 
1160
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1161
 
 
1162
class TestSetIntervalCmd(TestValueArgumentPropertyCmd):
 
1163
    command = SetIntervalCmd
 
1164
    property = "Interval"
 
1165
    values_to_set = [datetime.timedelta(),
 
1166
                     datetime.timedelta(minutes=5),
 
1167
                     datetime.timedelta(seconds=1),
 
1168
                     datetime.timedelta(weeks=1),
 
1169
                     datetime.timedelta(weeks=52)]
 
1170
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1171
 
 
1172
class TestSetApprovalDelayCmd(TestValueArgumentPropertyCmd):
 
1173
    command = SetApprovalDelayCmd
 
1174
    property = "ApprovalDelay"
 
1175
    values_to_set = [datetime.timedelta(),
 
1176
                     datetime.timedelta(minutes=5),
 
1177
                     datetime.timedelta(seconds=1),
 
1178
                     datetime.timedelta(weeks=1),
 
1179
                     datetime.timedelta(weeks=52)]
 
1180
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1181
 
 
1182
class TestSetApprovalDurationCmd(TestValueArgumentPropertyCmd):
 
1183
    command = SetApprovalDurationCmd
 
1184
    property = "ApprovalDuration"
 
1185
    values_to_set = [datetime.timedelta(),
 
1186
                     datetime.timedelta(minutes=5),
 
1187
                     datetime.timedelta(seconds=1),
 
1188
                     datetime.timedelta(weeks=1),
 
1189
                     datetime.timedelta(weeks=52)]
 
1190
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1191
 
 
1192
class Test_command_from_options(unittest.TestCase):
 
1193
    def setUp(self):
 
1194
        self.parser = argparse.ArgumentParser()
 
1195
        add_command_line_options(self.parser)
 
1196
    def assert_command_from_args(self, args, command_cls, **cmd_attrs):
 
1197
        """Assert that parsing ARGS should result in an instance of
 
1198
COMMAND_CLS with (optionally) all supplied attributes (CMD_ATTRS)."""
 
1199
        options = self.parser.parse_args(args)
 
1200
        check_option_syntax(self.parser, options)
 
1201
        commands = commands_from_options(options)
 
1202
        self.assertEqual(len(commands), 1)
 
1203
        command = commands[0]
 
1204
        self.assertIsInstance(command, command_cls)
 
1205
        for key, value in cmd_attrs.items():
 
1206
            self.assertEqual(getattr(command, key), value)
 
1207
    def test_print_table(self):
 
1208
        self.assert_command_from_args([], PrintTableCmd,
 
1209
                                      verbose=False)
 
1210
 
 
1211
    def test_print_table_verbose(self):
 
1212
        self.assert_command_from_args(["--verbose"], PrintTableCmd,
 
1213
                                      verbose=True)
 
1214
 
 
1215
    def test_print_table_verbose_short(self):
 
1216
        self.assert_command_from_args(["-v"], PrintTableCmd,
 
1217
                                      verbose=True)
 
1218
 
 
1219
    def test_enable(self):
 
1220
        self.assert_command_from_args(["--enable", "foo"], EnableCmd)
 
1221
 
 
1222
    def test_enable_short(self):
 
1223
        self.assert_command_from_args(["-e", "foo"], EnableCmd)
 
1224
 
 
1225
    def test_disable(self):
 
1226
        self.assert_command_from_args(["--disable", "foo"],
 
1227
                                      DisableCmd)
 
1228
 
 
1229
    def test_disable_short(self):
 
1230
        self.assert_command_from_args(["-d", "foo"], DisableCmd)
 
1231
 
 
1232
    def test_bump_timeout(self):
 
1233
        self.assert_command_from_args(["--bump-timeout", "foo"],
 
1234
                                      BumpTimeoutCmd)
 
1235
 
 
1236
    def test_bump_timeout_short(self):
 
1237
        self.assert_command_from_args(["-b", "foo"], BumpTimeoutCmd)
 
1238
 
 
1239
    def test_start_checker(self):
 
1240
        self.assert_command_from_args(["--start-checker", "foo"],
 
1241
                                      StartCheckerCmd)
 
1242
 
 
1243
    def test_stop_checker(self):
 
1244
        self.assert_command_from_args(["--stop-checker", "foo"],
 
1245
                                      StopCheckerCmd)
 
1246
 
 
1247
    def test_remove(self):
 
1248
        self.assert_command_from_args(["--remove", "foo"],
 
1249
                                      RemoveCmd)
 
1250
 
 
1251
    def test_remove_short(self):
 
1252
        self.assert_command_from_args(["-r", "foo"], RemoveCmd)
 
1253
 
 
1254
    def test_checker(self):
 
1255
        self.assert_command_from_args(["--checker", ":", "foo"],
 
1256
                                      SetCheckerCmd, value_to_set=":")
 
1257
 
 
1258
    def test_checker_empty(self):
 
1259
        self.assert_command_from_args(["--checker", "", "foo"],
 
1260
                                      SetCheckerCmd, value_to_set="")
 
1261
 
 
1262
    def test_checker_short(self):
 
1263
        self.assert_command_from_args(["-c", ":", "foo"],
 
1264
                                      SetCheckerCmd, value_to_set=":")
 
1265
 
 
1266
    def test_timeout(self):
 
1267
        self.assert_command_from_args(["--timeout", "PT5M", "foo"],
 
1268
                                      SetTimeoutCmd,
 
1269
                                      value_to_set=300000)
 
1270
 
 
1271
    def test_timeout_short(self):
 
1272
        self.assert_command_from_args(["-t", "PT5M", "foo"],
 
1273
                                      SetTimeoutCmd,
 
1274
                                      value_to_set=300000)
 
1275
 
 
1276
    def test_extended_timeout(self):
 
1277
        self.assert_command_from_args(["--extended-timeout", "PT15M",
 
1278
                                       "foo"],
 
1279
                                      SetExtendedTimeoutCmd,
 
1280
                                      value_to_set=900000)
 
1281
 
 
1282
    def test_interval(self):
 
1283
        self.assert_command_from_args(["--interval", "PT2M", "foo"],
 
1284
                                      SetIntervalCmd,
 
1285
                                      value_to_set=120000)
 
1286
 
 
1287
    def test_interval_short(self):
 
1288
        self.assert_command_from_args(["-i", "PT2M", "foo"],
 
1289
                                      SetIntervalCmd,
 
1290
                                      value_to_set=120000)
 
1291
 
 
1292
    def test_approve_by_default(self):
 
1293
        self.assert_command_from_args(["--approve-by-default", "foo"],
 
1294
                                      ApproveByDefaultCmd)
 
1295
 
 
1296
    def test_deny_by_default(self):
 
1297
        self.assert_command_from_args(["--deny-by-default", "foo"],
 
1298
                                      DenyByDefaultCmd)
 
1299
 
 
1300
    def test_approval_delay(self):
 
1301
        self.assert_command_from_args(["--approval-delay", "PT30S",
 
1302
                                       "foo"], SetApprovalDelayCmd,
 
1303
                                      value_to_set=30000)
 
1304
 
 
1305
    def test_approval_duration(self):
 
1306
        self.assert_command_from_args(["--approval-duration", "PT1S",
 
1307
                                       "foo"], SetApprovalDurationCmd,
 
1308
                                      value_to_set=1000)
 
1309
 
 
1310
    def test_host(self):
 
1311
        self.assert_command_from_args(["--host", "foo.example.org",
 
1312
                                       "foo"], SetHostCmd,
 
1313
                                      value_to_set="foo.example.org")
 
1314
 
 
1315
    def test_host_short(self):
 
1316
        self.assert_command_from_args(["-H", "foo.example.org",
 
1317
                                       "foo"], SetHostCmd,
 
1318
                                      value_to_set="foo.example.org")
 
1319
 
 
1320
    def test_secret_devnull(self):
 
1321
        self.assert_command_from_args(["--secret", os.path.devnull,
 
1322
                                       "foo"], SetSecretCmd,
 
1323
                                      value_to_set=b"")
 
1324
 
 
1325
    def test_secret_tempfile(self):
 
1326
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1327
            value = b"secret\0xyzzy\nbar"
 
1328
            f.write(value)
 
1329
            f.seek(0)
 
1330
            self.assert_command_from_args(["--secret", f.name,
 
1331
                                           "foo"], SetSecretCmd,
 
1332
                                          value_to_set=value)
 
1333
 
 
1334
    def test_secret_devnull_short(self):
 
1335
        self.assert_command_from_args(["-s", os.path.devnull, "foo"],
 
1336
                                      SetSecretCmd, value_to_set=b"")
 
1337
 
 
1338
    def test_secret_tempfile_short(self):
 
1339
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1340
            value = b"secret\0xyzzy\nbar"
 
1341
            f.write(value)
 
1342
            f.seek(0)
 
1343
            self.assert_command_from_args(["-s", f.name, "foo"],
 
1344
                                          SetSecretCmd,
 
1345
                                          value_to_set=value)
 
1346
 
 
1347
    def test_approve(self):
 
1348
        self.assert_command_from_args(["--approve", "foo"],
 
1349
                                      ApproveCmd)
 
1350
 
 
1351
    def test_approve_short(self):
 
1352
        self.assert_command_from_args(["-A", "foo"], ApproveCmd)
 
1353
 
 
1354
    def test_deny(self):
 
1355
        self.assert_command_from_args(["--deny", "foo"], DenyCmd)
 
1356
 
 
1357
    def test_deny_short(self):
 
1358
        self.assert_command_from_args(["-D", "foo"], DenyCmd)
 
1359
 
 
1360
    def test_dump_json(self):
 
1361
        self.assert_command_from_args(["--dump-json"], DumpJSONCmd)
 
1362
 
 
1363
    def test_is_enabled(self):
 
1364
        self.assert_command_from_args(["--is-enabled", "foo"],
 
1365
                                      IsEnabledCmd)
 
1366
 
 
1367
    def test_is_enabled_short(self):
 
1368
        self.assert_command_from_args(["-V", "foo"], IsEnabledCmd)
 
1369
 
 
1370
    def test_deny_before_remove(self):
 
1371
        options = self.parser.parse_args(["--deny", "--remove", "foo"])
 
1372
        check_option_syntax(self.parser, options)
 
1373
        commands = commands_from_options(options)
 
1374
        self.assertEqual(len(commands), 2)
 
1375
        self.assertIsInstance(commands[0], DenyCmd)
 
1376
        self.assertIsInstance(commands[1], RemoveCmd)
 
1377
 
 
1378
    def test_deny_before_remove_reversed(self):
 
1379
        options = self.parser.parse_args(["--remove", "--deny", "--all"])
 
1380
        check_option_syntax(self.parser, options)
 
1381
        commands = commands_from_options(options)
 
1382
        self.assertEqual(len(commands), 2)
 
1383
        self.assertIsInstance(commands[0], DenyCmd)
 
1384
        self.assertIsInstance(commands[1], RemoveCmd)
 
1385
 
 
1386
 
 
1387
class Test_check_option_syntax(unittest.TestCase):
 
1388
    # This mostly corresponds to the definition from has_actions() in
 
1389
    # check_option_syntax()
 
1390
    actions = {
 
1391
        # The actual values set here are not that important, but we do
 
1392
        # at least stick to the correct types, even though they are
 
1393
        # never used
 
1394
        "enable": True,
 
1395
        "disable": True,
 
1396
        "bump_timeout": True,
 
1397
        "start_checker": True,
 
1398
        "stop_checker": True,
 
1399
        "is_enabled": True,
 
1400
        "remove": True,
 
1401
        "checker": "x",
 
1402
        "timeout": datetime.timedelta(),
 
1403
        "extended_timeout": datetime.timedelta(),
 
1404
        "interval": datetime.timedelta(),
 
1405
        "approved_by_default": True,
 
1406
        "approval_delay": datetime.timedelta(),
 
1407
        "approval_duration": datetime.timedelta(),
 
1408
        "host": "x",
 
1409
        "secret": io.BytesIO(b"x"),
 
1410
        "approve": True,
 
1411
        "deny": True,
 
1412
    }
 
1413
 
 
1414
    def setUp(self):
 
1415
        self.parser = argparse.ArgumentParser()
 
1416
        add_command_line_options(self.parser)
 
1417
 
 
1418
    @contextlib.contextmanager
 
1419
    def assertParseError(self):
 
1420
        with self.assertRaises(SystemExit) as e:
 
1421
            with self.temporarily_suppress_stderr():
 
1422
                yield
 
1423
        # Exit code from argparse is guaranteed to be "2".  Reference:
 
1424
        # https://docs.python.org/3/library/argparse.html#exiting-methods
 
1425
        self.assertEqual(e.exception.code, 2)
 
1426
 
 
1427
    @staticmethod
 
1428
    @contextlib.contextmanager
 
1429
    def temporarily_suppress_stderr():
 
1430
        null = os.open(os.path.devnull, os.O_RDWR)
 
1431
        stderrcopy = os.dup(sys.stderr.fileno())
 
1432
        os.dup2(null, sys.stderr.fileno())
 
1433
        os.close(null)
 
1434
        try:
 
1435
            yield
 
1436
        finally:
 
1437
            # restore stderr
 
1438
            os.dup2(stderrcopy, sys.stderr.fileno())
 
1439
            os.close(stderrcopy)
 
1440
 
 
1441
    def check_option_syntax(self, options):
 
1442
        check_option_syntax(self.parser, options)
 
1443
 
 
1444
    def test_actions_requires_client_or_all(self):
 
1445
        for action, value in self.actions.items():
 
1446
            options = self.parser.parse_args()
 
1447
            setattr(options, action, value)
 
1448
            with self.assertParseError():
 
1449
                self.check_option_syntax(options)
 
1450
 
 
1451
    def test_actions_conflicts_with_verbose(self):
 
1452
        for action, value in self.actions.items():
 
1453
            options = self.parser.parse_args()
 
1454
            setattr(options, action, value)
 
1455
            options.verbose = True
 
1456
            with self.assertParseError():
 
1457
                self.check_option_syntax(options)
 
1458
 
 
1459
    def test_dump_json_conflicts_with_verbose(self):
 
1460
        options = self.parser.parse_args()
 
1461
        options.dump_json = True
 
1462
        options.verbose = True
 
1463
        with self.assertParseError():
 
1464
            self.check_option_syntax(options)
 
1465
 
 
1466
    def test_dump_json_conflicts_with_action(self):
 
1467
        for action, value in self.actions.items():
 
1468
            options = self.parser.parse_args()
 
1469
            setattr(options, action, value)
 
1470
            options.dump_json = True
 
1471
            with self.assertParseError():
 
1472
                self.check_option_syntax(options)
 
1473
 
 
1474
    def test_all_can_not_be_alone(self):
 
1475
        options = self.parser.parse_args()
 
1476
        options.all = True
 
1477
        with self.assertParseError():
 
1478
            self.check_option_syntax(options)
 
1479
 
 
1480
    def test_all_is_ok_with_any_action(self):
 
1481
        for action, value in self.actions.items():
 
1482
            options = self.parser.parse_args()
 
1483
            setattr(options, action, value)
 
1484
            options.all = True
 
1485
            self.check_option_syntax(options)
 
1486
 
 
1487
    def test_is_enabled_fails_without_client(self):
 
1488
        options = self.parser.parse_args()
 
1489
        options.is_enabled = True
 
1490
        with self.assertParseError():
 
1491
            self.check_option_syntax(options)
 
1492
 
 
1493
    def test_is_enabled_works_with_one_client(self):
 
1494
        options = self.parser.parse_args()
 
1495
        options.is_enabled = True
 
1496
        options.client = ["foo"]
 
1497
        self.check_option_syntax(options)
 
1498
 
 
1499
    def test_is_enabled_fails_with_two_clients(self):
 
1500
        options = self.parser.parse_args()
 
1501
        options.is_enabled = True
 
1502
        options.client = ["foo", "barbar"]
 
1503
        with self.assertParseError():
 
1504
            self.check_option_syntax(options)
 
1505
 
 
1506
    def test_remove_can_only_be_combined_with_action_deny(self):
 
1507
        for action, value in self.actions.items():
 
1508
            if action in {"remove", "deny"}:
 
1509
                continue
 
1510
            options = self.parser.parse_args()
 
1511
            setattr(options, action, value)
 
1512
            options.all = True
 
1513
            options.remove = True
 
1514
            with self.assertParseError():
 
1515
                self.check_option_syntax(options)
 
1516
 
 
1517
 
 
1518
 
 
1519
def should_only_run_tests():
 
1520
    parser = argparse.ArgumentParser(add_help=False)
 
1521
    parser.add_argument("--check", action='store_true')
 
1522
    args, unknown_args = parser.parse_known_args()
 
1523
    run_tests = args.check
 
1524
    if run_tests:
 
1525
        # Remove --check argument from sys.argv
 
1526
        sys.argv[1:] = unknown_args
 
1527
    return run_tests
 
1528
 
 
1529
# Add all tests from doctest strings
 
1530
def load_tests(loader, tests, none):
 
1531
    import doctest
 
1532
    tests.addTests(doctest.DocTestSuite())
 
1533
    return tests
 
1534
 
 
1535
if __name__ == "__main__":
 
1536
    if should_only_run_tests():
 
1537
        # Call using ./tdd-python-script --check [--verbose]
 
1538
        unittest.main()
 
1539
    else:
 
1540
        main()