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  • Committer: Teddy Hogeborn
  • Date: 2019-03-03 16:20:02 UTC
  • Revision ID: teddy@recompile.se-20190303162002-y0ezr98f71d0jfro
mandos-ctl: Refactor; test PrintTableCmd instead of TableOfClients

* mandos-ctl (Test_TableOfClients): Removed.
  (TestCmd): New abstract class for tests for command classes.
  (TestPrintTableCmd): New.

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#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
 
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
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
6
 
# Copyright © 2008-2014 Teddy Hogeborn
7
 
# Copyright © 2008-2014 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
 
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
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (at your option) any later version.
13
15
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
16
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
19
#     GNU General Public License for more details.
18
 
 
20
#
19
21
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
23
24
# Contact the authors at <mandos@recompile.se>.
24
 
 
25
#
25
26
 
26
27
from __future__ import (division, absolute_import, print_function,
27
28
                        unicode_literals)
28
29
 
29
 
from future_builtins import *
 
30
try:
 
31
    from future_builtins import *
 
32
except ImportError:
 
33
    pass
30
34
 
31
35
import sys
32
36
import argparse
35
39
import re
36
40
import os
37
41
import collections
38
 
import doctest
 
42
import json
 
43
import unittest
 
44
import logging
39
45
 
40
46
import dbus
41
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
 
42
62
locale.setlocale(locale.LC_ALL, "")
43
63
 
44
 
tablewords = {
45
 
    "Name": "Name",
46
 
    "Enabled": "Enabled",
47
 
    "Timeout": "Timeout",
48
 
    "LastCheckedOK": "Last Successful Check",
49
 
    "LastApprovalRequest": "Last Approval Request",
50
 
    "Created": "Created",
51
 
    "Interval": "Interval",
52
 
    "Host": "Host",
53
 
    "Fingerprint": "Fingerprint",
54
 
    "CheckerRunning": "Check Is Running",
55
 
    "LastEnabled": "Last Enabled",
56
 
    "ApprovalPending": "Approval Is Pending",
57
 
    "ApprovedByDefault": "Approved By Default",
58
 
    "ApprovalDelay": "Approval Delay",
59
 
    "ApprovalDuration": "Approval Duration",
60
 
    "Checker": "Checker",
61
 
    "ExtendedTimeout" : "Extended Timeout"
62
 
    }
63
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
64
64
domain = "se.recompile"
65
65
busname = domain + ".Mandos"
66
66
server_path = "/"
67
67
server_interface = domain + ".Mandos"
68
68
client_interface = domain + ".Mandos.Client"
69
 
version = "1.6.4"
70
 
 
71
 
def timedelta_to_milliseconds(td):
72
 
    """Convert a datetime.timedelta object to milliseconds"""
73
 
    return ((td.days * 24 * 60 * 60 * 1000)
74
 
            + (td.seconds * 1000)
75
 
            + (td.microseconds // 1000))
 
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
 
76
77
 
77
78
def milliseconds_to_string(ms):
78
79
    td = datetime.timedelta(0, 0, 0, ms)
79
80
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
80
 
            .format(days = "{0}T".format(td.days) if td.days else "",
81
 
                    hours = td.seconds // 3600,
82
 
                    minutes = (td.seconds % 3600) // 60,
83
 
                    seconds = td.seconds % 60,
84
 
                    ))
 
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
85
 
86
86
 
87
87
def rfc3339_duration_to_delta(duration):
88
88
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
89
 
    
 
89
 
90
90
    >>> rfc3339_duration_to_delta("P7D")
91
91
    datetime.timedelta(7)
92
92
    >>> rfc3339_duration_to_delta("PT60S")
93
93
    datetime.timedelta(0, 60)
94
94
    >>> rfc3339_duration_to_delta("PT60M")
95
95
    datetime.timedelta(0, 3600)
 
96
    >>> rfc3339_duration_to_delta("P60M")
 
97
    datetime.timedelta(1680)
96
98
    >>> rfc3339_duration_to_delta("PT24H")
97
99
    datetime.timedelta(1)
98
100
    >>> rfc3339_duration_to_delta("P1W")
101
103
    datetime.timedelta(0, 330)
102
104
    >>> rfc3339_duration_to_delta("P1DT3M20S")
103
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'
104
135
    """
105
 
    
 
136
 
106
137
    # Parsing an RFC 3339 duration with regular expressions is not
107
138
    # possible - there would have to be multiple places for the same
108
139
    # values, like seconds.  The current code, while more esoteric, is
109
140
    # cleaner without depending on a parsing library.  If Python had a
110
141
    # built-in library for parsing we would use it, but we'd like to
111
142
    # avoid excessive use of external libraries.
112
 
    
 
143
 
113
144
    # New type for defining tokens, syntax, and semantics all-in-one
114
 
    Token = collections.namedtuple("Token",
115
 
                                   ("regexp", # To match token; if
116
 
                                              # "value" is not None,
117
 
                                              # must have a "group"
118
 
                                              # containing digits
119
 
                                    "value",  # datetime.timedelta or
120
 
                                              # None
121
 
                                    "followers")) # Tokens valid after
122
 
                                                  # this token
 
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
123
150
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
124
151
    # the "duration" ABNF definition in RFC 3339, Appendix A.
125
152
    token_end = Token(re.compile(r"$"), None, frozenset())
126
153
    token_second = Token(re.compile(r"(\d+)S"),
127
154
                         datetime.timedelta(seconds=1),
128
 
                         frozenset((token_end,)))
 
155
                         frozenset((token_end, )))
129
156
    token_minute = Token(re.compile(r"(\d+)M"),
130
157
                         datetime.timedelta(minutes=1),
131
158
                         frozenset((token_second, token_end)))
147
174
                       frozenset((token_month, token_end)))
148
175
    token_week = Token(re.compile(r"(\d+)W"),
149
176
                       datetime.timedelta(weeks=1),
150
 
                       frozenset((token_end,)))
 
177
                       frozenset((token_end, )))
151
178
    token_duration = Token(re.compile(r"P"), None,
152
179
                           frozenset((token_year, token_month,
153
180
                                      token_day, token_time,
154
 
                                      token_week))),
155
 
    # Define starting values
156
 
    value = datetime.timedelta() # Value so far
 
181
                                      token_week)))
 
182
    # Define starting values:
 
183
    # Value so far
 
184
    value = datetime.timedelta()
157
185
    found_token = None
158
 
    followers = frozenset(token_duration,) # Following valid tokens
159
 
    s = duration                # String left to parse
 
186
    # Following valid tokens
 
187
    followers = frozenset((token_duration, ))
 
188
    # String left to parse
 
189
    s = duration
160
190
    # Loop until end token is found
161
191
    while found_token is not token_end:
162
192
        # Search for any currently valid tokens
178
208
                break
179
209
        else:
180
210
            # No currently valid tokens were found
181
 
            raise ValueError("Invalid RFC 3339 duration")
 
211
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
212
                             .format(duration))
182
213
    # End token found
183
214
    return value
184
215
 
185
216
 
186
217
def string_to_delta(interval):
187
 
    """Parse a string and return a datetime.timedelta
188
 
    
189
 
    >>> string_to_delta("7d")
190
 
    datetime.timedelta(7)
191
 
    >>> string_to_delta("60s")
192
 
    datetime.timedelta(0, 60)
193
 
    >>> string_to_delta("60m")
194
 
    datetime.timedelta(0, 3600)
195
 
    >>> string_to_delta("24h")
196
 
    datetime.timedelta(1)
197
 
    >>> string_to_delta("1w")
198
 
    datetime.timedelta(7)
199
 
    >>> string_to_delta("5m 30s")
200
 
    datetime.timedelta(0, 330)
201
 
    """
202
 
    
 
218
    """Parse a string and return a datetime.timedelta"""
 
219
 
203
220
    try:
204
221
        return rfc3339_duration_to_delta(interval)
205
 
    except ValueError:
206
 
        pass
207
 
    
 
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
 
208
252
    value = datetime.timedelta(0)
209
253
    regexp = re.compile(r"(\d+)([dsmhw]?)")
210
 
    
 
254
 
211
255
    for num, suffix in regexp.findall(interval):
212
256
        if suffix == "d":
213
257
            value += datetime.timedelta(int(num))
223
267
            value += datetime.timedelta(0, 0, 0, int(num))
224
268
    return value
225
269
 
226
 
def print_clients(clients, keywords):
 
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
227
329
    def valuetostring(value, keyword):
228
 
        if type(value) is dbus.Boolean:
 
330
        if isinstance(value, dbus.Boolean):
229
331
            return "Yes" if value else "No"
230
332
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
231
333
                       "ApprovalDuration", "ExtendedTimeout"):
232
334
            return milliseconds_to_string(value)
233
 
        return unicode(value)
234
 
    
235
 
    # Create format string to print table rows
236
 
    format_string = " ".join("{{{key}:{width}}}".format(
237
 
            width = max(len(tablewords[key]),
238
 
                        max(len(valuetostring(client[key],
239
 
                                              key))
240
 
                            for client in
241
 
                            clients)),
242
 
            key = key) for key in keywords)
243
 
    # Print header line
244
 
    print(format_string.format(**tablewords))
245
 
    for client in clients:
246
 
        print(format_string.format(**dict((key,
247
 
                                           valuetostring(client[key],
248
 
                                                         key))
249
 
                                          for key in keywords)))
 
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"
250
496
 
251
497
def has_actions(options):
252
498
    return any((options.enable,
268
514
                options.approve,
269
515
                options.deny))
270
516
 
271
 
def main():
 
517
 
 
518
def commands_and_clients_from_options(args=None):
 
519
    if args is None:
 
520
        args=sys.argv[1:]
272
521
    parser = argparse.ArgumentParser()
273
522
    parser.add_argument("--version", action="version",
274
 
                        version = "%(prog)s {0}".format(version),
 
523
                        version="%(prog)s {}".format(version),
275
524
                        help="show version number and exit")
276
525
    parser.add_argument("-a", "--all", action="store_true",
277
526
                        help="Select all clients")
278
527
    parser.add_argument("-v", "--verbose", action="store_true",
279
528
                        help="Print all fields")
280
 
    parser.add_argument("-e", "--enable", action="store_true",
281
 
                        help="Enable client")
282
 
    parser.add_argument("-d", "--disable", action="store_true",
283
 
                        help="disable client")
 
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")
284
537
    parser.add_argument("-b", "--bump-timeout", action="store_true",
285
538
                        help="Bump timeout for client")
286
 
    parser.add_argument("--start-checker", action="store_true",
287
 
                        help="Start checker for client")
288
 
    parser.add_argument("--stop-checker", action="store_true",
289
 
                        help="Stop checker 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")
290
546
    parser.add_argument("-V", "--is-enabled", action="store_true",
291
547
                        help="Check if client is enabled")
292
548
    parser.add_argument("-r", "--remove", action="store_true",
299
555
                        help="Set extended timeout for client")
300
556
    parser.add_argument("-i", "--interval",
301
557
                        help="Set checker interval for client")
302
 
    parser.add_argument("--approve-by-default", action="store_true",
303
 
                        default=None, dest="approved_by_default",
304
 
                        help="Set client to be approved by default")
305
 
    parser.add_argument("--deny-by-default", action="store_false",
306
 
                        dest="approved_by_default",
307
 
                        help="Set client to be denied by default")
 
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")
308
567
    parser.add_argument("--approval-delay",
309
568
                        help="Set delay before client approve/deny")
310
569
    parser.add_argument("--approval-duration",
311
570
                        help="Set duration of one client approval")
312
571
    parser.add_argument("-H", "--host", help="Set host for client")
313
 
    parser.add_argument("-s", "--secret", type=file,
 
572
    parser.add_argument("-s", "--secret",
 
573
                        type=argparse.FileType(mode="rb"),
314
574
                        help="Set password blob (file) for client")
315
 
    parser.add_argument("-A", "--approve", action="store_true",
316
 
                        help="Approve any current client request")
317
 
    parser.add_argument("-D", "--deny", action="store_true",
318
 
                        help="Deny any current client request")
 
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")
319
581
    parser.add_argument("--check", action="store_true",
320
582
                        help="Run self-test")
321
583
    parser.add_argument("client", nargs="*", help="Client name")
322
 
    options = parser.parse_args()
323
 
    
 
584
    options = parser.parse_args(args=args)
 
585
 
324
586
    if has_actions(options) and not (options.client or options.all):
325
587
        parser.error("Options require clients names or --all.")
326
588
    if options.verbose and has_actions(options):
327
 
        parser.error("--verbose can only be used alone or with"
328
 
                     " --all.")
 
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.")
329
593
    if options.all and not has_actions(options):
330
594
        parser.error("--all requires an action.")
331
 
 
332
 
    if options.check:
333
 
        fail_count, test_count = doctest.testmod()
334
 
        sys.exit(os.EX_OK if fail_count == 0 else 1)
335
 
    
 
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
 
336
673
    try:
337
674
        bus = dbus.SystemBus()
338
675
        mandos_dbus_objc = bus.get_object(busname, server_path)
339
676
    except dbus.exceptions.DBusException:
340
 
        print("Could not connect to Mandos server",
341
 
              file=sys.stderr)
 
677
        log.critical("Could not connect to Mandos server")
342
678
        sys.exit(1)
343
 
    
 
679
 
344
680
    mandos_serv = dbus.Interface(mandos_dbus_objc,
345
 
                                 dbus_interface = server_interface)
346
 
    
347
 
    #block stderr since dbus library prints to stderr
348
 
    null = os.open(os.path.devnull, os.O_RDWR)
349
 
    stderrcopy = os.dup(sys.stderr.fileno())
350
 
    os.dup2(null, sys.stderr.fileno())
351
 
    os.close(null)
 
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)
352
692
    try:
353
693
        try:
354
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
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}
355
699
        finally:
356
 
            #restore stderr
357
 
            os.dup2(stderrcopy, sys.stderr.fileno())
358
 
            os.close(stderrcopy)
359
 
    except dbus.exceptions.DBusException:
360
 
        print("Access denied: Accessing mandos server through dbus.",
361
 
              file=sys.stderr)
 
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)
362
705
        sys.exit(1)
363
 
    
 
706
 
364
707
    # Compile dict of (clients: properties) to process
365
 
    clients={}
366
 
    
367
 
    if options.all or not options.client:
368
 
        clients = dict((bus.get_object(busname, path), properties)
369
 
                       for path, properties in
370
 
                       mandos_clients.iteritems())
 
708
    clients = {}
 
709
 
 
710
    if not clientnames:
 
711
        clients = {bus.get_object(busname, path): properties
 
712
                   for path, properties in mandos_clients.items()}
371
713
    else:
372
 
        for name in options.client:
373
 
            for path, client in mandos_clients.iteritems():
 
714
        for name in clientnames:
 
715
            for path, client in mandos_clients.items():
374
716
                if client["Name"] == name:
375
717
                    client_objc = bus.get_object(busname, path)
376
718
                    clients[client_objc] = client
377
719
                    break
378
720
            else:
379
 
                print("Client not found on server: {0!r}"
380
 
                      .format(name), file=sys.stderr)
 
721
                log.critical("Client not found on server: %r", name)
381
722
                sys.exit(1)
382
 
    
383
 
    if not has_actions(options) and clients:
384
 
        if options.verbose:
385
 
            keywords = ("Name", "Enabled", "Timeout",
386
 
                        "LastCheckedOK", "Created", "Interval",
387
 
                        "Host", "Fingerprint", "CheckerRunning",
388
 
                        "LastEnabled", "ApprovalPending",
389
 
                        "ApprovedByDefault",
390
 
                        "LastApprovalRequest", "ApprovalDelay",
391
 
                        "ApprovalDuration", "Checker",
392
 
                        "ExtendedTimeout")
 
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")
393
751
        else:
394
 
            keywords = defaultkeywords
395
 
        
396
 
        print_clients(clients.values(), keywords)
397
 
    else:
398
 
        # Process each client in the list by all selected options
399
 
        for client in clients:
400
 
            def set_client_prop(prop, value):
401
 
                """Set a Client D-Bus property"""
402
 
                client.Set(client_interface, prop, value,
403
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
404
 
            def set_client_prop_ms(prop, value):
405
 
                """Set a Client D-Bus property, converted
406
 
                from a string to milliseconds."""
407
 
                set_client_prop(prop,
408
 
                                timedelta_to_milliseconds
409
 
                                (string_to_delta(value)))
410
 
            if options.remove:
411
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
412
 
            if options.enable:
413
 
                set_client_prop("Enabled", dbus.Boolean(True))
414
 
            if options.disable:
415
 
                set_client_prop("Enabled", dbus.Boolean(False))
416
 
            if options.bump_timeout:
417
 
                set_client_prop("LastCheckedOK", "")
418
 
            if options.start_checker:
419
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
420
 
            if options.stop_checker:
421
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
422
 
            if options.is_enabled:
423
 
                sys.exit(0 if client.Get(client_interface,
424
 
                                         "Enabled",
425
 
                                         dbus_interface=
426
 
                                         dbus.PROPERTIES_IFACE)
427
 
                         else 1)
428
 
            if options.checker is not None:
429
 
                set_client_prop("Checker", options.checker)
430
 
            if options.host is not None:
431
 
                set_client_prop("Host", options.host)
432
 
            if options.interval is not None:
433
 
                set_client_prop_ms("Interval", options.interval)
434
 
            if options.approval_delay is not None:
435
 
                set_client_prop_ms("ApprovalDelay",
436
 
                                   options.approval_delay)
437
 
            if options.approval_duration is not None:
438
 
                set_client_prop_ms("ApprovalDuration",
439
 
                                   options.approval_duration)
440
 
            if options.timeout is not None:
441
 
                set_client_prop_ms("Timeout", options.timeout)
442
 
            if options.extended_timeout is not None:
443
 
                set_client_prop_ms("ExtendedTimeout",
444
 
                                   options.extended_timeout)
445
 
            if options.secret is not None:
446
 
                set_client_prop("Secret",
447
 
                                dbus.ByteArray(options.secret.read()))
448
 
            if options.approved_by_default is not None:
449
 
                set_client_prop("ApprovedByDefault",
450
 
                                dbus.Boolean(options
451
 
                                             .approved_by_default))
452
 
            if options.approve:
453
 
                client.Approve(dbus.Boolean(True),
454
 
                               dbus_interface=client_interface)
455
 
            elif options.deny:
456
 
                client.Approve(dbus.Boolean(False),
457
 
                               dbus_interface=client_interface)
 
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
458
886
 
459
887
if __name__ == "__main__":
460
 
    main()
 
888
    if should_only_run_tests():
 
889
        # Call using ./tdd-python-script --check [--verbose]
 
890
        unittest.main()
 
891
    else:
 
892
        main()