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  • Committer: Teddy Hogeborn
  • Date: 2019-03-03 14:04:14 UTC
  • Revision ID: teddy@recompile.se-20190303140414-4jspvi9mi83f9cpl
mandos-ctl: Refactor

* mandos-ctl (Command.run): Take a "mandos" argument and save it.
  (PrintCmd.run): Take, but ignore, a "mandos" argument.
  (RemoveCmd.__init__): Remove.
  (main): Don't pass mandos_serv to RemoveCmd constructor.  Instead,
          always pass mandos_serv to command.run().

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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
class TableOfClients(object):
 
272
    tableheaders = {
 
273
        "Name": "Name",
 
274
        "Enabled": "Enabled",
 
275
        "Timeout": "Timeout",
 
276
        "LastCheckedOK": "Last Successful Check",
 
277
        "LastApprovalRequest": "Last Approval Request",
 
278
        "Created": "Created",
 
279
        "Interval": "Interval",
 
280
        "Host": "Host",
 
281
        "Fingerprint": "Fingerprint",
 
282
        "KeyID": "Key ID",
 
283
        "CheckerRunning": "Check Is Running",
 
284
        "LastEnabled": "Last Enabled",
 
285
        "ApprovalPending": "Approval Is Pending",
 
286
        "ApprovedByDefault": "Approved By Default",
 
287
        "ApprovalDelay": "Approval Delay",
 
288
        "ApprovalDuration": "Approval Duration",
 
289
        "Checker": "Checker",
 
290
        "ExtendedTimeout": "Extended Timeout",
 
291
        "Expires": "Expires",
 
292
        "LastCheckerStatus": "Last Checker Status",
 
293
    }
 
294
 
 
295
    def __init__(self, clients, keywords, tableheaders=None):
 
296
        self.clients = clients
 
297
        self.keywords = keywords
 
298
        if tableheaders is not None:
 
299
            self.tableheaders = tableheaders
 
300
 
 
301
    def __str__(self):
 
302
        return "\n".join(self.rows())
 
303
 
 
304
    if sys.version_info.major == 2:
 
305
        __unicode__ = __str__
 
306
        def __str__(self):
 
307
            return str(self).encode(locale.getpreferredencoding())
 
308
 
 
309
    def rows(self):
 
310
        format_string = self.row_formatting_string()
 
311
        rows = [self.header_line(format_string)]
 
312
        rows.extend(self.client_line(client, format_string)
 
313
                    for client in self.clients)
 
314
        return rows
 
315
 
 
316
    def row_formatting_string(self):
 
317
        "Format string used to format table rows"
 
318
        return " ".join("{{{key}:{width}}}".format(
 
319
            width=max(len(self.tableheaders[key]),
 
320
                      *(len(self.string_from_client(client, key))
 
321
                        for client in self.clients)),
 
322
            key=key)
 
323
                        for key in self.keywords)
 
324
 
 
325
    def string_from_client(self, client, key):
 
326
        return self.valuetostring(client[key], key)
 
327
 
 
328
    @staticmethod
 
329
    def valuetostring(value, keyword):
 
330
        if isinstance(value, dbus.Boolean):
 
331
            return "Yes" if value else "No"
 
332
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
333
                       "ApprovalDuration", "ExtendedTimeout"):
 
334
            return milliseconds_to_string(value)
 
335
        return str(value)
 
336
 
 
337
    def header_line(self, format_string):
 
338
        return format_string.format(**self.tableheaders)
 
339
 
 
340
    def client_line(self, client, format_string):
 
341
        return format_string.format(
 
342
            **{key: self.string_from_client(client, key)
 
343
               for key in self.keywords})
 
344
 
 
345
 
 
346
## Classes for commands.
 
347
 
 
348
# Abstract classes first
 
349
class Command(object):
 
350
    """Abstract class for commands"""
 
351
    def run(self, mandos, clients):
 
352
        """Normal commands should implement run_on_one_client(), but
 
353
        commands which want to operate on all clients at the same time
 
354
        can override this run() method instead."""
 
355
        self.mandos = mandos
 
356
        for client in clients:
 
357
            self.run_on_one_client(client)
 
358
 
 
359
class PrintCmd(Command):
 
360
    """Abstract class for commands printing client details"""
 
361
    all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
362
                    "Created", "Interval", "Host", "KeyID",
 
363
                    "Fingerprint", "CheckerRunning", "LastEnabled",
 
364
                    "ApprovalPending", "ApprovedByDefault",
 
365
                    "LastApprovalRequest", "ApprovalDelay",
 
366
                    "ApprovalDuration", "Checker", "ExtendedTimeout",
 
367
                    "Expires", "LastCheckerStatus")
 
368
    def run(self, mandos, clients):
 
369
        print(self.output(clients))
 
370
 
 
371
class PropertyCmd(Command):
 
372
    """Abstract class for Actions for setting one client property"""
 
373
    def run_on_one_client(self, client):
 
374
        """Set the Client's D-Bus property"""
 
375
        client.Set(client_interface, self.property, self.value_to_set,
 
376
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
377
 
 
378
class ValueArgumentMixIn(object):
 
379
    """Mixin class for commands taking a value as argument"""
 
380
    def __init__(self, value):
 
381
        self.value_to_set = value
 
382
 
 
383
class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):
 
384
    """Mixin class for commands taking a value argument as
 
385
    milliseconds."""
 
386
    @property
 
387
    def value_to_set(self):
 
388
        return self._vts
 
389
    @value_to_set.setter
 
390
    def value_to_set(self, value):
 
391
        """When setting, convert value to a datetime.timedelta"""
 
392
        self._vts = string_to_delta(value).total_seconds() * 1000
 
393
 
 
394
# Actual (non-abstract) command classes
 
395
 
 
396
class PrintTableCmd(PrintCmd):
 
397
    def __init__(self, verbose=False):
 
398
        self.verbose = verbose
 
399
    def output(self, clients):
 
400
        if self.verbose:
 
401
            keywords = self.all_keywords
 
402
        else:
 
403
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
404
        return str(TableOfClients(clients.values(), keywords))
 
405
 
 
406
class DumpJSONCmd(PrintCmd):
 
407
    def output(self, clients):
 
408
        data = {client["Name"]:
 
409
                {key: self.dbus_boolean_to_bool(client[key])
 
410
                 for key in self.all_keywords}
 
411
                for client in clients.values()}
 
412
        return json.dumps(data, indent=4, separators=(',', ': '))
 
413
    @staticmethod
 
414
    def dbus_boolean_to_bool(value):
 
415
        if isinstance(value, dbus.Boolean):
 
416
            value = bool(value)
 
417
        return value
 
418
 
 
419
class IsEnabledCmd(Command):
 
420
    def run_on_one_client(self, client):
 
421
        if self.is_enabled(client):
 
422
            sys.exit(0)
 
423
        sys.exit(1)
 
424
    def is_enabled(self, client):
 
425
        return client.Get(client_interface, "Enabled",
 
426
                          dbus_interface=dbus.PROPERTIES_IFACE)
 
427
 
 
428
class RemoveCmd(Command):
 
429
    def run_on_one_client(self, client):
 
430
        self.mandos.RemoveClient(client.__dbus_object_path__)
 
431
 
 
432
class ApproveCmd(Command):
 
433
    def run_on_one_client(self, client):
 
434
        client.Approve(dbus.Boolean(True),
 
435
                       dbus_interface=client_interface)
 
436
 
 
437
class DenyCmd(Command):
 
438
    def run_on_one_client(self, client):
 
439
        client.Approve(dbus.Boolean(False),
 
440
                       dbus_interface=client_interface)
 
441
 
 
442
class EnableCmd(PropertyCmd):
 
443
    property = "Enabled"
 
444
    value_to_set = dbus.Boolean(True)
 
445
 
 
446
class DisableCmd(PropertyCmd):
 
447
    property = "Enabled"
 
448
    value_to_set = dbus.Boolean(False)
 
449
 
 
450
class BumpTimeoutCmd(PropertyCmd):
 
451
    property = "LastCheckedOK"
 
452
    value_to_set = ""
 
453
 
 
454
class StartCheckerCmd(PropertyCmd):
 
455
    property = "CheckerRunning"
 
456
    value_to_set = dbus.Boolean(True)
 
457
 
 
458
class StopCheckerCmd(PropertyCmd):
 
459
    property = "CheckerRunning"
 
460
    value_to_set = dbus.Boolean(False)
 
461
 
 
462
class ApproveByDefaultCmd(PropertyCmd):
 
463
    property = "ApprovedByDefault"
 
464
    value_to_set = dbus.Boolean(True)
 
465
 
 
466
class DenyByDefaultCmd(PropertyCmd):
 
467
    property = "ApprovedByDefault"
 
468
    value_to_set = dbus.Boolean(False)
 
469
 
 
470
class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):
 
471
    property = "Checker"
 
472
 
 
473
class SetHostCmd(PropertyCmd, ValueArgumentMixIn):
 
474
    property = "Host"
 
475
 
 
476
class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):
 
477
    property = "Secret"
 
478
 
 
479
class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
480
    property = "Timeout"
 
481
 
 
482
class SetExtendedTimeoutCmd(PropertyCmd,
 
483
                            MillisecondsValueArgumentMixIn):
 
484
    property = "ExtendedTimeout"
 
485
 
 
486
class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
487
    property = "Interval"
 
488
 
 
489
class SetApprovalDelayCmd(PropertyCmd,
 
490
                          MillisecondsValueArgumentMixIn):
 
491
    property = "ApprovalDelay"
 
492
 
 
493
class SetApprovalDurationCmd(PropertyCmd,
 
494
                             MillisecondsValueArgumentMixIn):
 
495
    property = "ApprovalDuration"
 
496
 
 
497
def has_actions(options):
 
498
    return any((options.enable,
 
499
                options.disable,
 
500
                options.bump_timeout,
 
501
                options.start_checker,
 
502
                options.stop_checker,
 
503
                options.is_enabled,
 
504
                options.remove,
 
505
                options.checker is not None,
 
506
                options.timeout is not None,
 
507
                options.extended_timeout is not None,
 
508
                options.interval is not None,
 
509
                options.approved_by_default is not None,
 
510
                options.approval_delay is not None,
 
511
                options.approval_duration is not None,
 
512
                options.host is not None,
 
513
                options.secret is not None,
 
514
                options.approve,
 
515
                options.deny))
 
516
 
 
517
 
 
518
def main():
 
519
    parser = argparse.ArgumentParser()
 
520
    parser.add_argument("--version", action="version",
 
521
                        version="%(prog)s {}".format(version),
 
522
                        help="show version number and exit")
 
523
    parser.add_argument("-a", "--all", action="store_true",
 
524
                        help="Select all clients")
 
525
    parser.add_argument("-v", "--verbose", action="store_true",
 
526
                        help="Print all fields")
 
527
    parser.add_argument("-j", "--dump-json", action="store_true",
 
528
                        help="Dump client data in JSON format")
 
529
    enable_disable = parser.add_mutually_exclusive_group()
 
530
    enable_disable.add_argument("-e", "--enable", action="store_true",
 
531
                                help="Enable client")
 
532
    enable_disable.add_argument("-d", "--disable",
 
533
                                action="store_true",
 
534
                                help="disable client")
 
535
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
536
                        help="Bump timeout for client")
 
537
    start_stop_checker = parser.add_mutually_exclusive_group()
 
538
    start_stop_checker.add_argument("--start-checker",
 
539
                                    action="store_true",
 
540
                                    help="Start checker for client")
 
541
    start_stop_checker.add_argument("--stop-checker",
 
542
                                    action="store_true",
 
543
                                    help="Stop checker for client")
 
544
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
545
                        help="Check if client is enabled")
 
546
    parser.add_argument("-r", "--remove", action="store_true",
 
547
                        help="Remove client")
 
548
    parser.add_argument("-c", "--checker",
 
549
                        help="Set checker command for client")
 
550
    parser.add_argument("-t", "--timeout",
 
551
                        help="Set timeout for client")
 
552
    parser.add_argument("--extended-timeout",
 
553
                        help="Set extended timeout for client")
 
554
    parser.add_argument("-i", "--interval",
 
555
                        help="Set checker interval for client")
 
556
    approve_deny_default = parser.add_mutually_exclusive_group()
 
557
    approve_deny_default.add_argument(
 
558
        "--approve-by-default", action="store_true",
 
559
        default=None, dest="approved_by_default",
 
560
        help="Set client to be approved by default")
 
561
    approve_deny_default.add_argument(
 
562
        "--deny-by-default", action="store_false",
 
563
        dest="approved_by_default",
 
564
        help="Set client to be denied by default")
 
565
    parser.add_argument("--approval-delay",
 
566
                        help="Set delay before client approve/deny")
 
567
    parser.add_argument("--approval-duration",
 
568
                        help="Set duration of one client approval")
 
569
    parser.add_argument("-H", "--host", help="Set host for client")
 
570
    parser.add_argument("-s", "--secret",
 
571
                        type=argparse.FileType(mode="rb"),
 
572
                        help="Set password blob (file) for client")
 
573
    approve_deny = parser.add_mutually_exclusive_group()
 
574
    approve_deny.add_argument(
 
575
        "-A", "--approve", action="store_true",
 
576
        help="Approve any current client request")
 
577
    approve_deny.add_argument("-D", "--deny", action="store_true",
 
578
                              help="Deny any current client request")
 
579
    parser.add_argument("--check", action="store_true",
 
580
                        help="Run self-test")
 
581
    parser.add_argument("client", nargs="*", help="Client name")
 
582
    options = parser.parse_args()
 
583
 
 
584
    if has_actions(options) and not (options.client or options.all):
 
585
        parser.error("Options require clients names or --all.")
 
586
    if options.verbose and has_actions(options):
 
587
        parser.error("--verbose can only be used alone.")
 
588
    if options.dump_json and (options.verbose
 
589
                              or has_actions(options)):
 
590
        parser.error("--dump-json can only be used alone.")
 
591
    if options.all and not has_actions(options):
 
592
        parser.error("--all requires an action.")
 
593
    if options.is_enabled and len(options.client) > 1:
 
594
            parser.error("--is-enabled requires exactly one client")
 
595
 
 
596
    try:
 
597
        bus = dbus.SystemBus()
 
598
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
599
    except dbus.exceptions.DBusException:
 
600
        log.critical("Could not connect to Mandos server")
 
601
        sys.exit(1)
 
602
 
 
603
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
604
                                 dbus_interface=server_interface)
 
605
    mandos_serv_object_manager = dbus.Interface(
 
606
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
607
 
 
608
    commands = []
 
609
 
 
610
    if options.dump_json:
 
611
        commands.append(DumpJSONCmd())
 
612
 
 
613
    if options.enable:
 
614
        commands.append(EnableCmd())
 
615
 
 
616
    if options.disable:
 
617
        commands.append(DisableCmd())
 
618
 
 
619
    if options.bump_timeout:
 
620
        commands.append(BumpTimeoutCmd(options.bump_timeout))
 
621
 
 
622
    if options.start_checker:
 
623
        commands.append(StartCheckerCmd())
 
624
 
 
625
    if options.stop_checker:
 
626
        commands.append(StopCheckerCmd())
 
627
 
 
628
    if options.is_enabled:
 
629
        commands.append(IsEnabledCmd())
 
630
 
 
631
    if options.remove:
 
632
        commands.append(RemoveCmd())
 
633
 
 
634
    if options.checker is not None:
 
635
        commands.append(SetCheckerCmd())
 
636
 
 
637
    if options.timeout is not None:
 
638
        commands.append(SetTimeoutCmd(options.timeout))
 
639
 
 
640
    if options.extended_timeout:
 
641
        commands.append(
 
642
            SetExtendedTimeoutCmd(options.extended_timeout))
 
643
 
 
644
    if options.interval is not None:
 
645
        command.append(SetIntervalCmd(options.interval))
 
646
 
 
647
    if options.approved_by_default is not None:
 
648
        if options.approved_by_default:
 
649
            command.append(ApproveByDefaultCmd())
 
650
        else:
 
651
            command.append(DenyByDefaultCmd())
 
652
 
 
653
    if options.approval_delay is not None:
 
654
        command.append(SetApprovalDelayCmd(options.approval_delay))
 
655
 
 
656
    if options.approval_duration is not None:
 
657
        command.append(
 
658
            SetApprovalDurationCmd(options.approval_duration))
 
659
 
 
660
    if options.host is not None:
 
661
        command.append(SetHostCmd(options.host))
 
662
 
 
663
    if options.secret is not None:
 
664
        command.append(SetSecretCmd(options.secret))
 
665
 
 
666
    if options.approve:
 
667
        commands.append(ApproveCmd())
 
668
 
 
669
    if options.deny:
 
670
        commands.append(DenyCmd())
 
671
 
 
672
    # If no command option has been given, show table of clients,
 
673
    # optionally verbosely
 
674
    if not commands:
 
675
        commands.append(PrintTableCmd(verbose=options.verbose))
 
676
 
 
677
    # Filter out log message from dbus module
 
678
    dbus_logger = logging.getLogger("dbus.proxies")
 
679
    class NullFilter(logging.Filter):
 
680
        def filter(self, record):
 
681
            return False
 
682
    dbus_filter = NullFilter()
 
683
    dbus_logger.addFilter(dbus_filter)
 
684
    try:
 
685
        try:
 
686
            mandos_clients = {path: ifs_and_props[client_interface]
 
687
                              for path, ifs_and_props in
 
688
                              mandos_serv_object_manager
 
689
                              .GetManagedObjects().items()
 
690
                              if client_interface in ifs_and_props}
 
691
        finally:
 
692
            # restore dbus logger
 
693
            dbus_logger.removeFilter(dbus_filter)
 
694
    except dbus.exceptions.DBusException as e:
 
695
        log.critical("Failed to access Mandos server through D-Bus:"
 
696
                     "\n%s", e)
 
697
        sys.exit(1)
 
698
 
 
699
    # Compile dict of (clients: properties) to process
 
700
    clients = {}
 
701
 
 
702
    if options.all or not options.client:
 
703
        clients = {bus.get_object(busname, path): properties
 
704
                   for path, properties in mandos_clients.items()}
 
705
    else:
 
706
        for name in options.client:
 
707
            for path, client in mandos_clients.items():
 
708
                if client["Name"] == name:
 
709
                    client_objc = bus.get_object(busname, path)
 
710
                    clients[client_objc] = client
 
711
                    break
 
712
            else:
 
713
                log.critical("Client not found on server: %r", name)
 
714
                sys.exit(1)
 
715
 
 
716
    # Run all commands on clients
 
717
    for command in commands:
 
718
        command.run(mandos_serv, clients)
 
719
 
 
720
 
 
721
class Test_milliseconds_to_string(unittest.TestCase):
 
722
    def test_all(self):
 
723
        self.assertEqual(milliseconds_to_string(93785000),
 
724
                         "1T02:03:05")
 
725
    def test_no_days(self):
 
726
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
 
727
    def test_all_zero(self):
 
728
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
 
729
    def test_no_fractional_seconds(self):
 
730
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
 
731
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
 
732
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
 
733
 
 
734
class Test_string_to_delta(unittest.TestCase):
 
735
    def test_handles_basic_rfc3339(self):
 
736
        self.assertEqual(string_to_delta("PT2H"),
 
737
                         datetime.timedelta(0, 7200))
 
738
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
739
        # assertLogs only exists in Python 3.4
 
740
        if hasattr(self, "assertLogs"):
 
741
            with self.assertLogs(log, logging.WARNING):
 
742
                value = string_to_delta("2h")
 
743
        else:
 
744
            class WarningFilter(logging.Filter):
 
745
                """Don't show, but record the presence of, warnings"""
 
746
                def filter(self, record):
 
747
                    is_warning = record.levelno >= logging.WARNING
 
748
                    self.found = is_warning or getattr(self, "found",
 
749
                                                       False)
 
750
                    return not is_warning
 
751
            warning_filter = WarningFilter()
 
752
            log.addFilter(warning_filter)
 
753
            try:
 
754
                value = string_to_delta("2h")
 
755
            finally:
 
756
                log.removeFilter(warning_filter)
 
757
            self.assertTrue(getattr(warning_filter, "found", False))
 
758
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
759
 
 
760
class Test_TableOfClients(unittest.TestCase):
 
761
    def setUp(self):
 
762
        self.tableheaders = {
 
763
            "Attr1": "X",
 
764
            "AttrTwo": "Yy",
 
765
            "AttrThree": "Zzz",
 
766
            "Bool": "A D-BUS Boolean",
 
767
            "NonDbusBoolean": "A Non-D-BUS Boolean",
 
768
            "Integer": "An Integer",
 
769
            "Timeout": "Timedelta 1",
 
770
            "Interval": "Timedelta 2",
 
771
            "ApprovalDelay": "Timedelta 3",
 
772
            "ApprovalDuration": "Timedelta 4",
 
773
            "ExtendedTimeout": "Timedelta 5",
 
774
            "String": "A String",
 
775
        }
 
776
        self.keywords = ["Attr1", "AttrTwo"]
 
777
        self.clients = [
 
778
            {
 
779
                "Attr1": "x1",
 
780
                "AttrTwo": "y1",
 
781
                "AttrThree": "z1",
 
782
                "Bool": dbus.Boolean(False),
 
783
                "NonDbusBoolean": False,
 
784
                "Integer": 0,
 
785
                "Timeout": 0,
 
786
                "Interval": 1000,
 
787
                "ApprovalDelay": 2000,
 
788
                "ApprovalDuration": 3000,
 
789
                "ExtendedTimeout": 4000,
 
790
                "String": "",
 
791
            },
 
792
            {
 
793
                "Attr1": "x2",
 
794
                "AttrTwo": "y2",
 
795
                "AttrThree": "z2",
 
796
                "Bool": dbus.Boolean(True),
 
797
                "NonDbusBoolean": True,
 
798
                "Integer": 1,
 
799
                "Timeout": 93785000,
 
800
                "Interval": 93786000,
 
801
                "ApprovalDelay": 93787000,
 
802
                "ApprovalDuration": 93788000,
 
803
                "ExtendedTimeout": 93789000,
 
804
                "String": "A huge string which will not fit," * 10,
 
805
            },
 
806
        ]
 
807
    def test_short_header(self):
 
808
        text = str(TableOfClients(self.clients, self.keywords,
 
809
                                  self.tableheaders))
 
810
        expected_text = """
 
811
X  Yy
 
812
x1 y1
 
813
x2 y2
 
814
"""[1:-1]
 
815
        self.assertEqual(text, expected_text)
 
816
    def test_booleans(self):
 
817
        keywords = ["Bool", "NonDbusBoolean"]
 
818
        text = str(TableOfClients(self.clients, keywords,
 
819
                                  self.tableheaders))
 
820
        expected_text = """
 
821
A D-BUS Boolean A Non-D-BUS Boolean
 
822
No              False              
 
823
Yes             True               
 
824
"""[1:-1]
 
825
        self.assertEqual(text, expected_text)
 
826
    def test_milliseconds_detection(self):
 
827
        keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
 
828
                    "ApprovalDuration", "ExtendedTimeout"]
 
829
        text = str(TableOfClients(self.clients, keywords,
 
830
                                  self.tableheaders))
 
831
        expected_text = """
 
832
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
 
833
0          00:00:00    00:00:01    00:00:02    00:00:03    00:00:04   
 
834
1          1T02:03:05  1T02:03:06  1T02:03:07  1T02:03:08  1T02:03:09 
 
835
"""[1:-1]
 
836
        self.assertEqual(text, expected_text)
 
837
    def test_empty_and_long_string_values(self):
 
838
        keywords = ["String"]
 
839
        text = str(TableOfClients(self.clients, keywords,
 
840
                                  self.tableheaders))
 
841
        expected_text = """
 
842
A String                                                                                                                                                                                                                                                                                                                                  
 
843
                                                                                                                                                                                                                                                                                                                                          
 
844
A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,
 
845
"""[1:-1]
 
846
        self.assertEqual(text, expected_text)
 
847
 
 
848
 
 
849
 
 
850
def should_only_run_tests():
 
851
    parser = argparse.ArgumentParser(add_help=False)
 
852
    parser.add_argument("--check", action='store_true')
 
853
    args, unknown_args = parser.parse_known_args()
 
854
    run_tests = args.check
 
855
    if run_tests:
 
856
        # Remove --check argument from sys.argv
 
857
        sys.argv[1:] = unknown_args
 
858
    return run_tests
 
859
 
 
860
# Add all tests from doctest strings
 
861
def load_tests(loader, tests, none):
 
862
    import doctest
 
863
    tests.addTests(doctest.DocTestSuite())
 
864
    return tests
 
865
 
 
866
if __name__ == "__main__":
 
867
    if should_only_run_tests():
 
868
        # Call using ./tdd-python-script --check [--verbose]
 
869
        unittest.main()
 
870
    else:
 
871
        main()