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  • Committer: Björn Påhlsson
  • Date: 2008-09-04 19:59:05 UTC
  • mto: (237.7.1 mandos) (24.1.154 mandos)
  • mto: This revision was merged to the branch mainline in revision 164.
  • Revision ID: belorn@braxen-20080904195905-a3qfv1np32auumwm
fixed two bugs:
      A overbuffer flow in enviro variables causing seg fault
      A incorrect use of strsep causing seg fault

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added added

removed removed

Lines of Context:
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 commands_and_clients_from_options(args=None):
519
 
    if args is None:
520
 
        args=sys.argv[1:]
521
 
    parser = argparse.ArgumentParser()
522
 
    parser.add_argument("--version", action="version",
523
 
                        version="%(prog)s {}".format(version),
524
 
                        help="show version number and exit")
525
 
    parser.add_argument("-a", "--all", action="store_true",
526
 
                        help="Select all clients")
527
 
    parser.add_argument("-v", "--verbose", action="store_true",
528
 
                        help="Print all fields")
529
 
    parser.add_argument("-j", "--dump-json", action="store_true",
530
 
                        help="Dump client data in JSON format")
531
 
    enable_disable = parser.add_mutually_exclusive_group()
532
 
    enable_disable.add_argument("-e", "--enable", action="store_true",
533
 
                                help="Enable client")
534
 
    enable_disable.add_argument("-d", "--disable",
535
 
                                action="store_true",
536
 
                                help="disable client")
537
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
538
 
                        help="Bump timeout for client")
539
 
    start_stop_checker = parser.add_mutually_exclusive_group()
540
 
    start_stop_checker.add_argument("--start-checker",
541
 
                                    action="store_true",
542
 
                                    help="Start checker for client")
543
 
    start_stop_checker.add_argument("--stop-checker",
544
 
                                    action="store_true",
545
 
                                    help="Stop checker for client")
546
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
547
 
                        help="Check if client is enabled")
548
 
    parser.add_argument("-r", "--remove", action="store_true",
549
 
                        help="Remove client")
550
 
    parser.add_argument("-c", "--checker",
551
 
                        help="Set checker command for client")
552
 
    parser.add_argument("-t", "--timeout",
553
 
                        help="Set timeout for client")
554
 
    parser.add_argument("--extended-timeout",
555
 
                        help="Set extended timeout for client")
556
 
    parser.add_argument("-i", "--interval",
557
 
                        help="Set checker interval for client")
558
 
    approve_deny_default = parser.add_mutually_exclusive_group()
559
 
    approve_deny_default.add_argument(
560
 
        "--approve-by-default", action="store_true",
561
 
        default=None, dest="approved_by_default",
562
 
        help="Set client to be approved by default")
563
 
    approve_deny_default.add_argument(
564
 
        "--deny-by-default", action="store_false",
565
 
        dest="approved_by_default",
566
 
        help="Set client to be denied by default")
567
 
    parser.add_argument("--approval-delay",
568
 
                        help="Set delay before client approve/deny")
569
 
    parser.add_argument("--approval-duration",
570
 
                        help="Set duration of one client approval")
571
 
    parser.add_argument("-H", "--host", help="Set host for client")
572
 
    parser.add_argument("-s", "--secret",
573
 
                        type=argparse.FileType(mode="rb"),
574
 
                        help="Set password blob (file) for client")
575
 
    approve_deny = parser.add_mutually_exclusive_group()
576
 
    approve_deny.add_argument(
577
 
        "-A", "--approve", action="store_true",
578
 
        help="Approve any current client request")
579
 
    approve_deny.add_argument("-D", "--deny", action="store_true",
580
 
                              help="Deny any current client request")
581
 
    parser.add_argument("--check", action="store_true",
582
 
                        help="Run self-test")
583
 
    parser.add_argument("client", nargs="*", help="Client name")
584
 
    options = parser.parse_args(args=args)
585
 
 
586
 
    if has_actions(options) and not (options.client or options.all):
587
 
        parser.error("Options require clients names or --all.")
588
 
    if options.verbose and has_actions(options):
589
 
        parser.error("--verbose can only be used alone.")
590
 
    if options.dump_json and (options.verbose
591
 
                              or has_actions(options)):
592
 
        parser.error("--dump-json can only be used alone.")
593
 
    if options.all and not has_actions(options):
594
 
        parser.error("--all requires an action.")
595
 
    if options.is_enabled and len(options.client) > 1:
596
 
            parser.error("--is-enabled requires exactly one client")
597
 
 
598
 
    commands = []
599
 
 
600
 
    if options.dump_json:
601
 
        commands.append(DumpJSONCmd())
602
 
 
603
 
    if options.enable:
604
 
        commands.append(EnableCmd())
605
 
 
606
 
    if options.disable:
607
 
        commands.append(DisableCmd())
608
 
 
609
 
    if options.bump_timeout:
610
 
        commands.append(BumpTimeoutCmd(options.bump_timeout))
611
 
 
612
 
    if options.start_checker:
613
 
        commands.append(StartCheckerCmd())
614
 
 
615
 
    if options.stop_checker:
616
 
        commands.append(StopCheckerCmd())
617
 
 
618
 
    if options.is_enabled:
619
 
        commands.append(IsEnabledCmd())
620
 
 
621
 
    if options.remove:
622
 
        commands.append(RemoveCmd())
623
 
 
624
 
    if options.checker is not None:
625
 
        commands.append(SetCheckerCmd())
626
 
 
627
 
    if options.timeout is not None:
628
 
        commands.append(SetTimeoutCmd(options.timeout))
629
 
 
630
 
    if options.extended_timeout:
631
 
        commands.append(
632
 
            SetExtendedTimeoutCmd(options.extended_timeout))
633
 
 
634
 
    if options.interval is not None:
635
 
        command.append(SetIntervalCmd(options.interval))
636
 
 
637
 
    if options.approved_by_default is not None:
638
 
        if options.approved_by_default:
639
 
            command.append(ApproveByDefaultCmd())
640
 
        else:
641
 
            command.append(DenyByDefaultCmd())
642
 
 
643
 
    if options.approval_delay is not None:
644
 
        command.append(SetApprovalDelayCmd(options.approval_delay))
645
 
 
646
 
    if options.approval_duration is not None:
647
 
        command.append(
648
 
            SetApprovalDurationCmd(options.approval_duration))
649
 
 
650
 
    if options.host is not None:
651
 
        command.append(SetHostCmd(options.host))
652
 
 
653
 
    if options.secret is not None:
654
 
        command.append(SetSecretCmd(options.secret))
655
 
 
656
 
    if options.approve:
657
 
        commands.append(ApproveCmd())
658
 
 
659
 
    if options.deny:
660
 
        commands.append(DenyCmd())
661
 
 
662
 
    # If no command option has been given, show table of clients,
663
 
    # optionally verbosely
664
 
    if not commands:
665
 
        commands.append(PrintTableCmd(verbose=options.verbose))
666
 
 
667
 
    return commands, options.client
668
 
 
669
 
 
670
 
def main():
671
 
    commands, clientnames = commands_and_clients_from_options()
672
 
 
673
 
    try:
674
 
        bus = dbus.SystemBus()
675
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
676
 
    except dbus.exceptions.DBusException:
677
 
        log.critical("Could not connect to Mandos server")
678
 
        sys.exit(1)
679
 
 
680
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
681
 
                                 dbus_interface=server_interface)
682
 
    mandos_serv_object_manager = dbus.Interface(
683
 
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
684
 
 
685
 
    # Filter out log message from dbus module
686
 
    dbus_logger = logging.getLogger("dbus.proxies")
687
 
    class NullFilter(logging.Filter):
688
 
        def filter(self, record):
689
 
            return False
690
 
    dbus_filter = NullFilter()
691
 
    dbus_logger.addFilter(dbus_filter)
692
 
    try:
693
 
        try:
694
 
            mandos_clients = {path: ifs_and_props[client_interface]
695
 
                              for path, ifs_and_props in
696
 
                              mandos_serv_object_manager
697
 
                              .GetManagedObjects().items()
698
 
                              if client_interface in ifs_and_props}
699
 
        finally:
700
 
            # restore dbus logger
701
 
            dbus_logger.removeFilter(dbus_filter)
702
 
    except dbus.exceptions.DBusException as e:
703
 
        log.critical("Failed to access Mandos server through D-Bus:"
704
 
                     "\n%s", e)
705
 
        sys.exit(1)
706
 
 
707
 
    # Compile dict of (clients: properties) to process
708
 
    clients = {}
709
 
 
710
 
    if not clientnames:
711
 
        clients = {bus.get_object(busname, path): properties
712
 
                   for path, properties in mandos_clients.items()}
713
 
    else:
714
 
        for name in clientnames:
715
 
            for path, client in mandos_clients.items():
716
 
                if client["Name"] == name:
717
 
                    client_objc = bus.get_object(busname, path)
718
 
                    clients[client_objc] = client
719
 
                    break
720
 
            else:
721
 
                log.critical("Client not found on server: %r", name)
722
 
                sys.exit(1)
723
 
 
724
 
    # Run all commands on clients
725
 
    for command in commands:
726
 
        command.run(mandos_serv, clients)
727
 
 
728
 
 
729
 
class Test_milliseconds_to_string(unittest.TestCase):
730
 
    def test_all(self):
731
 
        self.assertEqual(milliseconds_to_string(93785000),
732
 
                         "1T02:03:05")
733
 
    def test_no_days(self):
734
 
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
735
 
    def test_all_zero(self):
736
 
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
737
 
    def test_no_fractional_seconds(self):
738
 
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
739
 
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
740
 
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
741
 
 
742
 
class Test_string_to_delta(unittest.TestCase):
743
 
    def test_handles_basic_rfc3339(self):
744
 
        self.assertEqual(string_to_delta("PT2H"),
745
 
                         datetime.timedelta(0, 7200))
746
 
    def test_falls_back_to_pre_1_6_1_with_warning(self):
747
 
        # assertLogs only exists in Python 3.4
748
 
        if hasattr(self, "assertLogs"):
749
 
            with self.assertLogs(log, logging.WARNING):
750
 
                value = string_to_delta("2h")
751
 
        else:
752
 
            class WarningFilter(logging.Filter):
753
 
                """Don't show, but record the presence of, warnings"""
754
 
                def filter(self, record):
755
 
                    is_warning = record.levelno >= logging.WARNING
756
 
                    self.found = is_warning or getattr(self, "found",
757
 
                                                       False)
758
 
                    return not is_warning
759
 
            warning_filter = WarningFilter()
760
 
            log.addFilter(warning_filter)
761
 
            try:
762
 
                value = string_to_delta("2h")
763
 
            finally:
764
 
                log.removeFilter(warning_filter)
765
 
            self.assertTrue(getattr(warning_filter, "found", False))
766
 
        self.assertEqual(value, datetime.timedelta(0, 7200))
767
 
 
768
 
 
769
 
class TestCmd(unittest.TestCase):
770
 
    """Abstract class for tests of command classes"""
771
 
    def setUp(self):
772
 
        testcase = self
773
 
        class MockClient(object):
774
 
            def __init__(self, name, **attributes):
775
 
                self.__dbus_object_path__ = "objpath_{}".format(name)
776
 
                self.attributes = attributes
777
 
                self.attributes["Name"] = name
778
 
            def Set(interface, property, value,
779
 
                    properties_interface):
780
 
                testcase.assertEqual(interface, client_interface)
781
 
                testcase.assertEqual(properties_interface,
782
 
                                     dbus.PROPERTIES_IFACE)
783
 
                self.attributes[property] = value
784
 
            def Get(interface, property, properties_interface):
785
 
                testcase.assertEqual(interface, client_interface)
786
 
                testcase.assertEqual(properties_interface,
787
 
                                     dbus.PROPERTIES_IFACE)
788
 
                return self.attributes[property]
789
 
            def __getitem__(self, key):
790
 
                return self.attributes[key]
791
 
        self.clients = collections.OrderedDict([
792
 
            ("foo",
793
 
             MockClient(
794
 
                 "foo",
795
 
                 KeyID=("92ed150794387c03ce684574b1139a65"
796
 
                        "94a34f895daaaf09fd8ea90a27cddb12"),
797
 
                 Secret=b"secret",
798
 
                 Host="foo.example.org",
799
 
                 Enabled=dbus.Boolean(True),
800
 
                 Timeout=300000,
801
 
                 LastCheckedOK="2019-02-03T00:00:00",
802
 
                 Created="2019-01-02T00:00:00",
803
 
                 Interval=120000,
804
 
                 Fingerprint=("778827225BA7DE539C5A"
805
 
                              "7CFA59CFF7CDBD9A5920"),
806
 
                 CheckerRunning=dbus.Boolean(False),
807
 
                 LastEnabled="2019-01-03T00:00:00",
808
 
                 ApprovalPending=dbus.Boolean(False),
809
 
                 ApprovedByDefault=dbus.Boolean(True),
810
 
                 LastApprovalRequest="",
811
 
                 ApprovalDelay=0,
812
 
                 ApprovalDuration=1000,
813
 
                 Checker="fping -q -- %(host)s",
814
 
                 ExtendedTimeout=900000,
815
 
                 Expires="2019-02-04T00:00:00",
816
 
                 LastCheckerStatus=0)),
817
 
            ("barbar",
818
 
             MockClient(
819
 
                 "barbar",
820
 
                 KeyID=("0558568eedd67d622f5c83b35a115f79"
821
 
                        "6ab612cff5ad227247e46c2b020f441c"),
822
 
                 Secret=b"secretbar",
823
 
                 Host="192.0.2.3",
824
 
                 Enabled=dbus.Boolean(True),
825
 
                 Timeout=300000,
826
 
                 LastCheckedOK="2019-02-04T00:00:00",
827
 
                 Created="2019-01-03T00:00:00",
828
 
                 Interval=120000,
829
 
                 Fingerprint=("3E393AEAEFB84C7E89E2"
830
 
                              "F547B3A107558FCA3A27"),
831
 
                 CheckerRunning=dbus.Boolean(True),
832
 
                 LastEnabled="2019-01-04T00:00:00",
833
 
                 ApprovalPending=dbus.Boolean(False),
834
 
                 ApprovedByDefault=dbus.Boolean(False),
835
 
                 LastApprovalRequest="2019-01-03T00:00:00",
836
 
                 ApprovalDelay=30000,
837
 
                 ApprovalDuration=1000,
838
 
                 Checker=":",
839
 
                 ExtendedTimeout=900000,
840
 
                 Expires="2019-02-05T00:00:00",
841
 
                 LastCheckerStatus=-2)),
842
 
            ])
843
 
 
844
 
class TestPrintTableCmd(TestCmd):
845
 
    def test_normal(self):
846
 
        output = PrintTableCmd().output(self.clients)
847
 
        expected_output = """
848
 
Name   Enabled Timeout  Last Successful Check
849
 
foo    Yes     00:05:00 2019-02-03T00:00:00  
850
 
barbar Yes     00:05:00 2019-02-04T00:00:00  
851
 
"""[1:-1]
852
 
        self.assertEqual(output, expected_output)
853
 
    def test_verbose(self):
854
 
        output = PrintTableCmd(verbose=True).output(self.clients)
855
 
        expected_output = """
856
 
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
857
 
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                  
858
 
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                 
859
 
"""[1:-1]
860
 
        self.assertEqual(output, expected_output)
861
 
    def test_one_client(self):
862
 
        output = PrintTableCmd().output({"foo": self.clients["foo"]})
863
 
        expected_output = """
864
 
Name Enabled Timeout  Last Successful Check
865
 
foo  Yes     00:05:00 2019-02-03T00:00:00  
866
 
"""[1:-1]
867
 
        self.assertEqual(output, expected_output)
868
 
 
869
 
 
870
 
 
871
 
def should_only_run_tests():
872
 
    parser = argparse.ArgumentParser(add_help=False)
873
 
    parser.add_argument("--check", action='store_true')
874
 
    args, unknown_args = parser.parse_known_args()
875
 
    run_tests = args.check
876
 
    if run_tests:
877
 
        # Remove --check argument from sys.argv
878
 
        sys.argv[1:] = unknown_args
879
 
    return run_tests
880
 
 
881
 
# Add all tests from doctest strings
882
 
def load_tests(loader, tests, none):
883
 
    import doctest
884
 
    tests.addTests(doctest.DocTestSuite())
885
 
    return tests
886
 
 
887
 
if __name__ == "__main__":
888
 
    if should_only_run_tests():
889
 
        # Call using ./tdd-python-script --check [--verbose]
890
 
        unittest.main()
891
 
    else:
892
 
        main()