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  • Committer: Teddy Hogeborn
  • Date: 2019-03-03 01:08:58 UTC
  • Revision ID: teddy@recompile.se-20190303010858-c2l0sr6ekvzo7rlb
mandos-ctl: Separate determining what to do and actually doing it

* mandos-ctl (defaultkeywords): Removed; value moved into
                                PrintTableCmd.
  (Command): New abstract base class for commands to be run.
  (PrintCmd, PropertyCmd): New abstract classes for commands.
  (ValueArgumentMixIn, MillisecondsValueArgumentMixIn): New mixins for
                                                        commands.
  (PrintTableCmd, DumpJSONCmd, IsEnabledCmd, RemoveCmd, ApproveCmd,
  DenyCmd, EnableCmd, DisableCmd, BumpTimeoutCmd, StartCheckerCmd,
  StopCheckerCmd, ApproveByDefaultCmd, DenyByDefaultCmd,
  SetCheckerCmd, SetTimeoutCmd, SetExtendedTimeoutCmd,
  SetApprovalDelayCmd, SetApprovalDurationCmd): New commands.
  (main): Don't look directly at options and do things; instead go
          through all options and add commands to a list, then run all
          commands on clients.

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mandos-ctl
1
1
#!/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 © 2008-2012 Teddy Hogeborn
7
 
# Copyright © 2008-2012 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 = "1.6.0"
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
 
    """Parse a RFC 3339 "duration" and return a datetime.timedelta
89
 
    
 
88
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
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
 
    
106
 
    # Parsing a RFC 3339 duration with regular expressions is not
 
136
 
 
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
 
    # values, like seconds.  This, while more esoteric, is cleaner
109
 
    # without depending on a parsing library.  If Python had a
 
139
    # values, like seconds.  The current code, while more esoteric, is
 
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")
 
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')
190
233
    datetime.timedelta(7)
191
 
    >>> string_to_delta("60s")
 
234
    >>> parse_pre_1_6_1_interval('60s')
192
235
    datetime.timedelta(0, 60)
193
 
    >>> string_to_delta("60m")
 
236
    >>> parse_pre_1_6_1_interval('60m')
194
237
    datetime.timedelta(0, 3600)
195
 
    >>> string_to_delta("24h")
 
238
    >>> parse_pre_1_6_1_interval('24h')
196
239
    datetime.timedelta(1)
197
 
    >>> string_to_delta("1w")
 
240
    >>> parse_pre_1_6_1_interval('1w')
198
241
    datetime.timedelta(7)
199
 
    >>> string_to_delta("5m 30s")
 
242
    >>> parse_pre_1_6_1_interval('5m 30s')
200
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
 
201
250
    """
 
251
 
202
252
    value = datetime.timedelta(0)
203
253
    regexp = re.compile(r"(\d+)([dsmhw]?)")
204
 
    
205
 
    try:
206
 
        return rfc3339_duration_to_delta(interval)
207
 
    except ValueError:
208
 
        pass
209
 
    
 
254
 
210
255
    for num, suffix in regexp.findall(interval):
211
256
        if suffix == "d":
212
257
            value += datetime.timedelta(int(num))
222
267
            value += datetime.timedelta(0, 0, 0, int(num))
223
268
    return value
224
269
 
225
 
def print_clients(clients, keywords):
 
270
 
 
271
class TableOfClients(object):
 
272
    tablewords = {
 
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, tablewords=None):
 
296
        self.clients = clients
 
297
        self.keywords = keywords
 
298
        if tablewords is not None:
 
299
            self.tablewords = tablewords
 
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.tablewords[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
226
329
    def valuetostring(value, keyword):
227
 
        if type(value) is dbus.Boolean:
 
330
        if isinstance(value, dbus.Boolean):
228
331
            return "Yes" if value else "No"
229
332
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
230
333
                       "ApprovalDuration", "ExtendedTimeout"):
231
334
            return milliseconds_to_string(value)
232
 
        return unicode(value)
233
 
    
234
 
    # Create format string to print table rows
235
 
    format_string = " ".join("{{{key}:{width}}}".format(
236
 
            width = max(len(tablewords[key]),
237
 
                        max(len(valuetostring(client[key],
238
 
                                              key))
239
 
                            for client in
240
 
                            clients)),
241
 
            key = key) for key in keywords)
242
 
    # Print header line
243
 
    print(format_string.format(**tablewords))
244
 
    for client in clients:
245
 
        print(format_string.format(**dict((key,
246
 
                                           valuetostring(client[key],
247
 
                                                         key))
248
 
                                          for key in keywords)))
 
335
        return str(value)
 
336
 
 
337
    def header_line(self, format_string):
 
338
        return format_string.format(**self.tablewords)
 
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, 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
        for client in clients:
 
356
            self.run_on_one_client(client)
 
357
 
 
358
class PrintCmd(Command):
 
359
    """Abstract class for commands printing client details"""
 
360
    all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
361
                    "Created", "Interval", "Host", "KeyID",
 
362
                    "Fingerprint", "CheckerRunning", "LastEnabled",
 
363
                    "ApprovalPending", "ApprovedByDefault",
 
364
                    "LastApprovalRequest", "ApprovalDelay",
 
365
                    "ApprovalDuration", "Checker", "ExtendedTimeout",
 
366
                    "Expires", "LastCheckerStatus")
 
367
    def run(self, clients):
 
368
        print(self.output(clients))
 
369
 
 
370
class PropertyCmd(Command):
 
371
    """Abstract class for Actions for setting one client property"""
 
372
    def run_on_one_client(self, client):
 
373
        """Set the Client's D-Bus property"""
 
374
        client.Set(client_interface, self.property, self.value_to_set,
 
375
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
376
 
 
377
class ValueArgumentMixIn(object):
 
378
    """Mixin class for commands taking a value as argument"""
 
379
    def __init__(self, value):
 
380
        self.value_to_set = value
 
381
 
 
382
class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):
 
383
    """Mixin class for commands taking a value argument as
 
384
    milliseconds."""
 
385
    @property
 
386
    def value_to_set(self):
 
387
        return self._vts
 
388
    @value_to_set.setter
 
389
    def value_to_set(self, value):
 
390
        """When setting, convert value to a datetime.timedelta"""
 
391
        self._vts = string_to_delta(value).total_seconds() * 1000
 
392
 
 
393
# Actual (non-abstract) command classes
 
394
 
 
395
class PrintTableCmd(PrintCmd):
 
396
    def __init__(self, verbose=False):
 
397
        self.verbose = verbose
 
398
    def output(self, clients):
 
399
        if self.verbose:
 
400
            keywords = self.all_keywords
 
401
        else:
 
402
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
403
        return str(TableOfClients(clients.values(), keywords))
 
404
 
 
405
class DumpJSONCmd(PrintCmd):
 
406
    def output(self, clients):
 
407
        data = {client["Name"]:
 
408
                {key: self.dbus_boolean_to_bool(client[key])
 
409
                 for key in self.all_keywords}
 
410
                for client in clients.values()}
 
411
        return json.dumps(data, indent=4, separators=(',', ': '))
 
412
    @staticmethod
 
413
    def dbus_boolean_to_bool(value):
 
414
        if isinstance(value, dbus.Boolean):
 
415
            value = bool(value)
 
416
        return value
 
417
 
 
418
class IsEnabledCmd(Command):
 
419
    def run_on_one_client(self, client):
 
420
        if self.is_enabled(client):
 
421
            sys.exit(0)
 
422
        sys.exit(1)
 
423
    def is_enabled(self, client):
 
424
        return client.Get(client_interface, "Enabled",
 
425
                          dbus_interface=dbus.PROPERTIES_IFACE)
 
426
 
 
427
class RemoveCmd(Command):
 
428
    def __init__(self, mandos):
 
429
        self.mandos = mandos
 
430
    def run_on_one_client(self, client):
 
431
        self.mandos.RemoveClient(client.__dbus_object_path__)
 
432
 
 
433
class ApproveCmd(Command):
 
434
    def run_on_one_client(self, client):
 
435
        client.Approve(dbus.Boolean(True),
 
436
                       dbus_interface=client_interface)
 
437
 
 
438
class DenyCmd(Command):
 
439
    def run_on_one_client(self, client):
 
440
        client.Approve(dbus.Boolean(False),
 
441
                       dbus_interface=client_interface)
 
442
 
 
443
class EnableCmd(PropertyCmd):
 
444
    property = "Enabled"
 
445
    value_to_set = dbus.Boolean(True)
 
446
 
 
447
class DisableCmd(PropertyCmd):
 
448
    property = "Enabled"
 
449
    value_to_set = dbus.Boolean(False)
 
450
 
 
451
class BumpTimeoutCmd(PropertyCmd):
 
452
    property = "LastCheckedOK"
 
453
    value_to_set = ""
 
454
 
 
455
class StartCheckerCmd(PropertyCmd):
 
456
    property = "CheckerRunning"
 
457
    value_to_set = dbus.Boolean(True)
 
458
 
 
459
class StopCheckerCmd(PropertyCmd):
 
460
    property = "CheckerRunning"
 
461
    value_to_set = dbus.Boolean(False)
 
462
 
 
463
class ApproveByDefaultCmd(PropertyCmd):
 
464
    property = "ApprovedByDefault"
 
465
    value_to_set = dbus.Boolean(True)
 
466
 
 
467
class DenyByDefaultCmd(PropertyCmd):
 
468
    property = "ApprovedByDefault"
 
469
    value_to_set = dbus.Boolean(False)
 
470
 
 
471
class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):
 
472
    property = "Checker"
 
473
 
 
474
class SetHostCmd(PropertyCmd, ValueArgumentMixIn):
 
475
    property = "Host"
 
476
 
 
477
class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):
 
478
    property = "Secret"
 
479
 
 
480
class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
481
    property = "Timeout"
 
482
 
 
483
class SetExtendedTimeoutCmd(PropertyCmd,
 
484
                            MillisecondsValueArgumentMixIn):
 
485
    property = "ExtendedTimeout"
 
486
 
 
487
class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
488
    property = "Interval"
 
489
 
 
490
class SetApprovalDelayCmd(PropertyCmd,
 
491
                          MillisecondsValueArgumentMixIn):
 
492
    property = "ApprovalDelay"
 
493
 
 
494
class SetApprovalDurationCmd(PropertyCmd,
 
495
                             MillisecondsValueArgumentMixIn):
 
496
    property = "ApprovalDuration"
249
497
 
250
498
def has_actions(options):
251
499
    return any((options.enable,
267
515
                options.approve,
268
516
                options.deny))
269
517
 
 
518
 
270
519
def main():
271
520
    parser = argparse.ArgumentParser()
272
521
    parser.add_argument("--version", action="version",
273
 
                        version = "%(prog)s {0}".format(version),
 
522
                        version="%(prog)s {}".format(version),
274
523
                        help="show version number and exit")
275
524
    parser.add_argument("-a", "--all", action="store_true",
276
525
                        help="Select all clients")
277
526
    parser.add_argument("-v", "--verbose", action="store_true",
278
527
                        help="Print all fields")
279
 
    parser.add_argument("-e", "--enable", action="store_true",
280
 
                        help="Enable client")
281
 
    parser.add_argument("-d", "--disable", action="store_true",
282
 
                        help="disable client")
 
528
    parser.add_argument("-j", "--dump-json", action="store_true",
 
529
                        help="Dump client data in JSON format")
 
530
    enable_disable = parser.add_mutually_exclusive_group()
 
531
    enable_disable.add_argument("-e", "--enable", action="store_true",
 
532
                                help="Enable client")
 
533
    enable_disable.add_argument("-d", "--disable",
 
534
                                action="store_true",
 
535
                                help="disable client")
283
536
    parser.add_argument("-b", "--bump-timeout", action="store_true",
284
537
                        help="Bump timeout for client")
285
 
    parser.add_argument("--start-checker", action="store_true",
286
 
                        help="Start checker for client")
287
 
    parser.add_argument("--stop-checker", action="store_true",
288
 
                        help="Stop checker for client")
 
538
    start_stop_checker = parser.add_mutually_exclusive_group()
 
539
    start_stop_checker.add_argument("--start-checker",
 
540
                                    action="store_true",
 
541
                                    help="Start checker for client")
 
542
    start_stop_checker.add_argument("--stop-checker",
 
543
                                    action="store_true",
 
544
                                    help="Stop checker for client")
289
545
    parser.add_argument("-V", "--is-enabled", action="store_true",
290
546
                        help="Check if client is enabled")
291
547
    parser.add_argument("-r", "--remove", action="store_true",
298
554
                        help="Set extended timeout for client")
299
555
    parser.add_argument("-i", "--interval",
300
556
                        help="Set checker interval for client")
301
 
    parser.add_argument("--approve-by-default", action="store_true",
302
 
                        default=None, dest="approved_by_default",
303
 
                        help="Set client to be approved by default")
304
 
    parser.add_argument("--deny-by-default", action="store_false",
305
 
                        dest="approved_by_default",
306
 
                        help="Set client to be denied by default")
 
557
    approve_deny_default = parser.add_mutually_exclusive_group()
 
558
    approve_deny_default.add_argument(
 
559
        "--approve-by-default", action="store_true",
 
560
        default=None, dest="approved_by_default",
 
561
        help="Set client to be approved by default")
 
562
    approve_deny_default.add_argument(
 
563
        "--deny-by-default", action="store_false",
 
564
        dest="approved_by_default",
 
565
        help="Set client to be denied by default")
307
566
    parser.add_argument("--approval-delay",
308
567
                        help="Set delay before client approve/deny")
309
568
    parser.add_argument("--approval-duration",
310
569
                        help="Set duration of one client approval")
311
570
    parser.add_argument("-H", "--host", help="Set host for client")
312
 
    parser.add_argument("-s", "--secret", type=file,
 
571
    parser.add_argument("-s", "--secret",
 
572
                        type=argparse.FileType(mode="rb"),
313
573
                        help="Set password blob (file) for client")
314
 
    parser.add_argument("-A", "--approve", action="store_true",
315
 
                        help="Approve any current client request")
316
 
    parser.add_argument("-D", "--deny", action="store_true",
317
 
                        help="Deny any current client request")
 
574
    approve_deny = parser.add_mutually_exclusive_group()
 
575
    approve_deny.add_argument(
 
576
        "-A", "--approve", action="store_true",
 
577
        help="Approve any current client request")
 
578
    approve_deny.add_argument("-D", "--deny", action="store_true",
 
579
                              help="Deny any current client request")
318
580
    parser.add_argument("--check", action="store_true",
319
581
                        help="Run self-test")
320
582
    parser.add_argument("client", nargs="*", help="Client name")
321
583
    options = parser.parse_args()
322
 
    
 
584
 
323
585
    if has_actions(options) and not (options.client or options.all):
324
586
        parser.error("Options require clients names or --all.")
325
587
    if options.verbose and has_actions(options):
326
 
        parser.error("--verbose can only be used alone or with"
327
 
                     " --all.")
 
588
        parser.error("--verbose can only be used alone.")
 
589
    if options.dump_json and (options.verbose
 
590
                              or has_actions(options)):
 
591
        parser.error("--dump-json can only be used alone.")
328
592
    if options.all and not has_actions(options):
329
593
        parser.error("--all requires an action.")
 
594
    if options.is_enabled and len(options.client) > 1:
 
595
            parser.error("--is-enabled requires exactly one client")
330
596
 
331
 
    if options.check:
332
 
        fail_count, test_count = doctest.testmod()
333
 
        sys.exit(0 if fail_count == 0 else 1)
334
 
    
335
597
    try:
336
598
        bus = dbus.SystemBus()
337
599
        mandos_dbus_objc = bus.get_object(busname, server_path)
338
600
    except dbus.exceptions.DBusException:
339
 
        print("Could not connect to Mandos server",
340
 
              file=sys.stderr)
 
601
        log.critical("Could not connect to Mandos server")
341
602
        sys.exit(1)
342
 
    
 
603
 
343
604
    mandos_serv = dbus.Interface(mandos_dbus_objc,
344
 
                                 dbus_interface = server_interface)
345
 
    
346
 
    #block stderr since dbus library prints to stderr
 
605
                                 dbus_interface=server_interface)
 
606
    mandos_serv_object_manager = dbus.Interface(
 
607
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
608
 
 
609
    commands = []
 
610
 
 
611
    if options.dump_json:
 
612
        commands.append(DumpJSONCmd())
 
613
 
 
614
    if options.enable:
 
615
        commands.append(EnableCmd())
 
616
 
 
617
    if options.disable:
 
618
        commands.append(DisableCmd())
 
619
 
 
620
    if options.bump_timeout:
 
621
        commands.append(BumpTimeoutCmd(options.bump_timeout))
 
622
 
 
623
    if options.start_checker:
 
624
        commands.append(StartCheckerCmd())
 
625
 
 
626
    if options.stop_checker:
 
627
        commands.append(StopCheckerCmd())
 
628
 
 
629
    if options.is_enabled:
 
630
        commands.append(IsEnabledCmd())
 
631
 
 
632
    if options.remove:
 
633
        commands.append(RemoveCmd(mandos_serv))
 
634
 
 
635
    if options.checker is not None:
 
636
        commands.append(SetCheckerCmd())
 
637
 
 
638
    if options.timeout is not None:
 
639
        commands.append(SetTimeoutCmd(options.timeout))
 
640
 
 
641
    if options.extended_timeout:
 
642
        commands.append(
 
643
            SetExtendedTimeoutCmd(options.extended_timeout))
 
644
 
 
645
    if options.interval is not None:
 
646
        command.append(SetIntervalCmd(options.interval))
 
647
 
 
648
    if options.approved_by_default is not None:
 
649
        if options.approved_by_default:
 
650
            command.append(ApproveByDefaultCmd())
 
651
        else:
 
652
            command.append(DenyByDefaultCmd())
 
653
 
 
654
    if options.approval_delay is not None:
 
655
        command.append(SetApprovalDelayCmd(options.approval_delay))
 
656
 
 
657
    if options.approval_duration is not None:
 
658
        command.append(
 
659
            SetApprovalDurationCmd(options.approval_duration))
 
660
 
 
661
    if options.host is not None:
 
662
        command.append(SetHostCmd(options.host))
 
663
 
 
664
    if options.secret is not None:
 
665
        command.append(SetSecretCmd(options.secret))
 
666
 
 
667
    if options.approve:
 
668
        commands.append(ApproveCmd())
 
669
 
 
670
    if options.deny:
 
671
        commands.append(DenyCmd())
 
672
 
 
673
    # If no command option has been given, show table of clients,
 
674
    # optionally verbosely
 
675
    if not commands:
 
676
        commands.append(PrintTableCmd(verbose=options.verbose))
 
677
 
 
678
    # block stderr since dbus library prints to stderr
347
679
    null = os.open(os.path.devnull, os.O_RDWR)
348
680
    stderrcopy = os.dup(sys.stderr.fileno())
349
681
    os.dup2(null, sys.stderr.fileno())
350
682
    os.close(null)
351
683
    try:
352
684
        try:
353
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
685
            mandos_clients = {path: ifs_and_props[client_interface]
 
686
                              for path, ifs_and_props in
 
687
                              mandos_serv_object_manager
 
688
                              .GetManagedObjects().items()
 
689
                              if client_interface in ifs_and_props}
354
690
        finally:
355
 
            #restore stderr
 
691
            # restore stderr
356
692
            os.dup2(stderrcopy, sys.stderr.fileno())
357
693
            os.close(stderrcopy)
358
 
    except dbus.exceptions.DBusException:
359
 
        print("Access denied: Accessing mandos server through dbus.",
360
 
              file=sys.stderr)
 
694
    except dbus.exceptions.DBusException as e:
 
695
        log.critical("Failed to access Mandos server through D-Bus:"
 
696
                     "\n%s", e)
361
697
        sys.exit(1)
362
 
    
 
698
 
363
699
    # Compile dict of (clients: properties) to process
364
 
    clients={}
365
 
    
 
700
    clients = {}
 
701
 
366
702
    if options.all or not options.client:
367
 
        clients = dict((bus.get_object(busname, path), properties)
368
 
                       for path, properties in
369
 
                       mandos_clients.iteritems())
 
703
        clients = {bus.get_object(busname, path): properties
 
704
                   for path, properties in mandos_clients.items()}
370
705
    else:
371
706
        for name in options.client:
372
 
            for path, client in mandos_clients.iteritems():
 
707
            for path, client in mandos_clients.items():
373
708
                if client["Name"] == name:
374
709
                    client_objc = bus.get_object(busname, path)
375
710
                    clients[client_objc] = client
376
711
                    break
377
712
            else:
378
 
                print("Client not found on server: {0!r}"
379
 
                      .format(name), file=sys.stderr)
 
713
                log.critical("Client not found on server: %r", name)
380
714
                sys.exit(1)
381
 
    
382
 
    if not has_actions(options) and clients:
383
 
        if options.verbose:
384
 
            keywords = ("Name", "Enabled", "Timeout",
385
 
                        "LastCheckedOK", "Created", "Interval",
386
 
                        "Host", "Fingerprint", "CheckerRunning",
387
 
                        "LastEnabled", "ApprovalPending",
388
 
                        "ApprovedByDefault",
389
 
                        "LastApprovalRequest", "ApprovalDelay",
390
 
                        "ApprovalDuration", "Checker",
391
 
                        "ExtendedTimeout")
 
715
 
 
716
    # Run all commands on clients
 
717
    for command in commands:
 
718
        command.run(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")
392
743
        else:
393
 
            keywords = defaultkeywords
394
 
        
395
 
        print_clients(clients.values(), keywords)
396
 
    else:
397
 
        # Process each client in the list by all selected options
398
 
        for client in clients:
399
 
            def set_client_prop(prop, value):
400
 
                """Set a Client D-Bus property"""
401
 
                client.Set(client_interface, prop, value,
402
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
403
 
            def set_client_prop_ms(prop, value):
404
 
                """Set a Client D-Bus property, converted
405
 
                from a string to milliseconds."""
406
 
                set_client_prop(prop,
407
 
                                timedelta_to_milliseconds
408
 
                                (string_to_delta(value)))
409
 
            if options.remove:
410
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
411
 
            if options.enable:
412
 
                set_client_prop("Enabled", dbus.Boolean(True))
413
 
            if options.disable:
414
 
                set_client_prop("Enabled", dbus.Boolean(False))
415
 
            if options.bump_timeout:
416
 
                set_client_prop("LastCheckedOK", "")
417
 
            if options.start_checker:
418
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
419
 
            if options.stop_checker:
420
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
421
 
            if options.is_enabled:
422
 
                sys.exit(0 if client.Get(client_interface,
423
 
                                         "Enabled",
424
 
                                         dbus_interface=
425
 
                                         dbus.PROPERTIES_IFACE)
426
 
                         else 1)
427
 
            if options.checker is not None:
428
 
                set_client_prop("Checker", options.checker)
429
 
            if options.host is not None:
430
 
                set_client_prop("Host", options.host)
431
 
            if options.interval is not None:
432
 
                set_client_prop_ms("Interval", options.interval)
433
 
            if options.approval_delay is not None:
434
 
                set_client_prop_ms("ApprovalDelay",
435
 
                                   options.approval_delay)
436
 
            if options.approval_duration is not None:
437
 
                set_client_prop_ms("ApprovalDuration",
438
 
                                   options.approval_duration)
439
 
            if options.timeout is not None:
440
 
                set_client_prop_ms("Timeout", options.timeout)
441
 
            if options.extended_timeout is not None:
442
 
                set_client_prop_ms("ExtendedTimeout",
443
 
                                   options.extended_timeout)
444
 
            if options.secret is not None:
445
 
                set_client_prop("Secret",
446
 
                                dbus.ByteArray(options.secret.read()))
447
 
            if options.approved_by_default is not None:
448
 
                set_client_prop("ApprovedByDefault",
449
 
                                dbus.Boolean(options
450
 
                                             .approved_by_default))
451
 
            if options.approve:
452
 
                client.Approve(dbus.Boolean(True),
453
 
                               dbus_interface=client_interface)
454
 
            elif options.deny:
455
 
                client.Approve(dbus.Boolean(False),
456
 
                               dbus_interface=client_interface)
 
744
            value = string_to_delta("2h")
 
745
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
746
 
 
747
class Test_TableOfClients(unittest.TestCase):
 
748
    def setUp(self):
 
749
        self.tablewords = {
 
750
            "Attr1": "X",
 
751
            "AttrTwo": "Yy",
 
752
            "AttrThree": "Zzz",
 
753
            "Bool": "A D-BUS Boolean",
 
754
            "NonDbusBoolean": "A Non-D-BUS Boolean",
 
755
            "Integer": "An Integer",
 
756
            "Timeout": "Timedelta 1",
 
757
            "Interval": "Timedelta 2",
 
758
            "ApprovalDelay": "Timedelta 3",
 
759
            "ApprovalDuration": "Timedelta 4",
 
760
            "ExtendedTimeout": "Timedelta 5",
 
761
            "String": "A String",
 
762
        }
 
763
        self.keywords = ["Attr1", "AttrTwo"]
 
764
        self.clients = [
 
765
            {
 
766
                "Attr1": "x1",
 
767
                "AttrTwo": "y1",
 
768
                "AttrThree": "z1",
 
769
                "Bool": dbus.Boolean(False),
 
770
                "NonDbusBoolean": False,
 
771
                "Integer": 0,
 
772
                "Timeout": 0,
 
773
                "Interval": 1000,
 
774
                "ApprovalDelay": 2000,
 
775
                "ApprovalDuration": 3000,
 
776
                "ExtendedTimeout": 4000,
 
777
                "String": "",
 
778
            },
 
779
            {
 
780
                "Attr1": "x2",
 
781
                "AttrTwo": "y2",
 
782
                "AttrThree": "z2",
 
783
                "Bool": dbus.Boolean(True),
 
784
                "NonDbusBoolean": True,
 
785
                "Integer": 1,
 
786
                "Timeout": 93785000,
 
787
                "Interval": 93786000,
 
788
                "ApprovalDelay": 93787000,
 
789
                "ApprovalDuration": 93788000,
 
790
                "ExtendedTimeout": 93789000,
 
791
                "String": "A huge string which will not fit," * 10,
 
792
            },
 
793
        ]
 
794
    def test_short_header(self):
 
795
        text = str(TableOfClients(self.clients, self.keywords,
 
796
                                  self.tablewords))
 
797
        expected_text = """
 
798
X  Yy
 
799
x1 y1
 
800
x2 y2
 
801
"""[1:-1]
 
802
        self.assertEqual(text, expected_text)
 
803
    def test_booleans(self):
 
804
        keywords = ["Bool", "NonDbusBoolean"]
 
805
        text = str(TableOfClients(self.clients, keywords,
 
806
                                  self.tablewords))
 
807
        expected_text = """
 
808
A D-BUS Boolean A Non-D-BUS Boolean
 
809
No              False              
 
810
Yes             True               
 
811
"""[1:-1]
 
812
        self.assertEqual(text, expected_text)
 
813
    def test_milliseconds_detection(self):
 
814
        keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
 
815
                    "ApprovalDuration", "ExtendedTimeout"]
 
816
        text = str(TableOfClients(self.clients, keywords,
 
817
                                  self.tablewords))
 
818
        expected_text = """
 
819
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
 
820
0          00:00:00    00:00:01    00:00:02    00:00:03    00:00:04   
 
821
1          1T02:03:05  1T02:03:06  1T02:03:07  1T02:03:08  1T02:03:09 
 
822
"""[1:-1]
 
823
        self.assertEqual(text, expected_text)
 
824
    def test_empty_and_long_string_values(self):
 
825
        keywords = ["String"]
 
826
        text = str(TableOfClients(self.clients, keywords,
 
827
                                  self.tablewords))
 
828
        expected_text = """
 
829
A String                                                                                                                                                                                                                                                                                                                                  
 
830
                                                                                                                                                                                                                                                                                                                                          
 
831
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,
 
832
"""[1:-1]
 
833
        self.assertEqual(text, expected_text)
 
834
 
 
835
 
 
836
 
 
837
def should_only_run_tests():
 
838
    parser = argparse.ArgumentParser(add_help=False)
 
839
    parser.add_argument("--check", action='store_true')
 
840
    args, unknown_args = parser.parse_known_args()
 
841
    run_tests = args.check
 
842
    if run_tests:
 
843
        # Remove --check argument from sys.argv
 
844
        sys.argv[1:] = unknown_args
 
845
    return run_tests
 
846
 
 
847
# Add all tests from doctest strings
 
848
def load_tests(loader, tests, none):
 
849
    import doctest
 
850
    tests.addTests(doctest.DocTestSuite())
 
851
    return tests
457
852
 
458
853
if __name__ == "__main__":
459
 
    main()
 
854
    if should_only_run_tests():
 
855
        # Call using ./tdd-python-script --check [--verbose]
 
856
        unittest.main()
 
857
    else:
 
858
        main()