/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2008-08-29 07:09:04 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080829070904-i6u8xb0aueytvfii
* mandos-clients.conf.xml (/refentry/refentryinfo/title): Changed to
                                                          "Mandos
                                                          Manual".

  (/refentry/refentryinfo/productname): Changed to "Mandos".
* mandos-keygen.xml: - '' -
* mandos.conf.xml: - '' -
* mandos.xml: - '' -
* plugin-runner.xml: - '' -
* plugins.d/password-request.xml: - '' -

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mandos-ctl
1
 
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
3
 
#
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2008-2019 Teddy Hogeborn
7
 
# Copyright © 2008-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
13
 
# the Free Software Foundation, either version 3 of the License, or
14
 
# (at your option) any later version.
15
 
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
 
#     GNU General Public License for more details.
20
 
#
21
 
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
24
 
# Contact the authors at <mandos@recompile.se>.
25
 
#
26
 
 
27
 
from __future__ import (division, absolute_import, print_function,
28
 
                        unicode_literals)
29
 
 
30
 
try:
31
 
    from future_builtins import *
32
 
except ImportError:
33
 
    pass
34
 
 
35
 
import sys
36
 
import argparse
37
 
import locale
38
 
import datetime
39
 
import re
40
 
import os
41
 
import collections
42
 
import json
43
 
import unittest
44
 
import logging
45
 
 
46
 
import dbus
47
 
 
48
 
# Show warnings by default
49
 
if not sys.warnoptions:
50
 
    import warnings
51
 
    warnings.simplefilter("default")
52
 
 
53
 
log = logging.getLogger(sys.argv[0])
54
 
logging.basicConfig(level="INFO", # Show info level messages
55
 
                    format="%(message)s") # Show basic log messages
56
 
 
57
 
logging.captureWarnings(True)   # Show warnings via the logging system
58
 
 
59
 
if sys.version_info.major == 2:
60
 
    str = unicode
61
 
 
62
 
locale.setlocale(locale.LC_ALL, "")
63
 
 
64
 
tablewords = {
65
 
    "Name": "Name",
66
 
    "Enabled": "Enabled",
67
 
    "Timeout": "Timeout",
68
 
    "LastCheckedOK": "Last Successful Check",
69
 
    "LastApprovalRequest": "Last Approval Request",
70
 
    "Created": "Created",
71
 
    "Interval": "Interval",
72
 
    "Host": "Host",
73
 
    "Fingerprint": "Fingerprint",
74
 
    "KeyID": "Key ID",
75
 
    "CheckerRunning": "Check Is Running",
76
 
    "LastEnabled": "Last Enabled",
77
 
    "ApprovalPending": "Approval Is Pending",
78
 
    "ApprovedByDefault": "Approved By Default",
79
 
    "ApprovalDelay": "Approval Delay",
80
 
    "ApprovalDuration": "Approval Duration",
81
 
    "Checker": "Checker",
82
 
    "ExtendedTimeout": "Extended Timeout",
83
 
    "Expires": "Expires",
84
 
    "LastCheckerStatus": "Last Checker Status",
85
 
}
86
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
87
 
domain = "se.recompile"
88
 
busname = domain + ".Mandos"
89
 
server_path = "/"
90
 
server_interface = domain + ".Mandos"
91
 
client_interface = domain + ".Mandos.Client"
92
 
version = "1.8.3"
93
 
 
94
 
 
95
 
try:
96
 
    dbus.OBJECT_MANAGER_IFACE
97
 
except AttributeError:
98
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
99
 
 
100
 
 
101
 
def milliseconds_to_string(ms):
102
 
    td = datetime.timedelta(0, 0, 0, ms)
103
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
104
 
            .format(days="{}T".format(td.days) if td.days else "",
105
 
                    hours=td.seconds // 3600,
106
 
                    minutes=(td.seconds % 3600) // 60,
107
 
                    seconds=td.seconds % 60))
108
 
 
109
 
 
110
 
def rfc3339_duration_to_delta(duration):
111
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
112
 
 
113
 
    >>> rfc3339_duration_to_delta("P7D")
114
 
    datetime.timedelta(7)
115
 
    >>> rfc3339_duration_to_delta("PT60S")
116
 
    datetime.timedelta(0, 60)
117
 
    >>> rfc3339_duration_to_delta("PT60M")
118
 
    datetime.timedelta(0, 3600)
119
 
    >>> rfc3339_duration_to_delta("PT24H")
120
 
    datetime.timedelta(1)
121
 
    >>> rfc3339_duration_to_delta("P1W")
122
 
    datetime.timedelta(7)
123
 
    >>> rfc3339_duration_to_delta("PT5M30S")
124
 
    datetime.timedelta(0, 330)
125
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
126
 
    datetime.timedelta(1, 200)
127
 
    """
128
 
 
129
 
    # Parsing an RFC 3339 duration with regular expressions is not
130
 
    # possible - there would have to be multiple places for the same
131
 
    # values, like seconds.  The current code, while more esoteric, is
132
 
    # cleaner without depending on a parsing library.  If Python had a
133
 
    # built-in library for parsing we would use it, but we'd like to
134
 
    # avoid excessive use of external libraries.
135
 
 
136
 
    # New type for defining tokens, syntax, and semantics all-in-one
137
 
    Token = collections.namedtuple("Token", (
138
 
        "regexp",  # To match token; if "value" is not None, must have
139
 
                   # a "group" containing digits
140
 
        "value",   # datetime.timedelta or None
141
 
        "followers"))           # Tokens valid after this token
142
 
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
143
 
    # the "duration" ABNF definition in RFC 3339, Appendix A.
144
 
    token_end = Token(re.compile(r"$"), None, frozenset())
145
 
    token_second = Token(re.compile(r"(\d+)S"),
146
 
                         datetime.timedelta(seconds=1),
147
 
                         frozenset((token_end, )))
148
 
    token_minute = Token(re.compile(r"(\d+)M"),
149
 
                         datetime.timedelta(minutes=1),
150
 
                         frozenset((token_second, token_end)))
151
 
    token_hour = Token(re.compile(r"(\d+)H"),
152
 
                       datetime.timedelta(hours=1),
153
 
                       frozenset((token_minute, token_end)))
154
 
    token_time = Token(re.compile(r"T"),
155
 
                       None,
156
 
                       frozenset((token_hour, token_minute,
157
 
                                  token_second)))
158
 
    token_day = Token(re.compile(r"(\d+)D"),
159
 
                      datetime.timedelta(days=1),
160
 
                      frozenset((token_time, token_end)))
161
 
    token_month = Token(re.compile(r"(\d+)M"),
162
 
                        datetime.timedelta(weeks=4),
163
 
                        frozenset((token_day, token_end)))
164
 
    token_year = Token(re.compile(r"(\d+)Y"),
165
 
                       datetime.timedelta(weeks=52),
166
 
                       frozenset((token_month, token_end)))
167
 
    token_week = Token(re.compile(r"(\d+)W"),
168
 
                       datetime.timedelta(weeks=1),
169
 
                       frozenset((token_end, )))
170
 
    token_duration = Token(re.compile(r"P"), None,
171
 
                           frozenset((token_year, token_month,
172
 
                                      token_day, token_time,
173
 
                                      token_week)))
174
 
    # Define starting values:
175
 
    # Value so far
176
 
    value = datetime.timedelta()
177
 
    found_token = None
178
 
    # Following valid tokens
179
 
    followers = frozenset((token_duration, ))
180
 
    # String left to parse
181
 
    s = duration
182
 
    # Loop until end token is found
183
 
    while found_token is not token_end:
184
 
        # Search for any currently valid tokens
185
 
        for token in followers:
186
 
            match = token.regexp.match(s)
187
 
            if match is not None:
188
 
                # Token found
189
 
                if token.value is not None:
190
 
                    # Value found, parse digits
191
 
                    factor = int(match.group(1), 10)
192
 
                    # Add to value so far
193
 
                    value += factor * token.value
194
 
                # Strip token from string
195
 
                s = token.regexp.sub("", s, 1)
196
 
                # Go to found token
197
 
                found_token = token
198
 
                # Set valid next tokens
199
 
                followers = found_token.followers
200
 
                break
201
 
        else:
202
 
            # No currently valid tokens were found
203
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
204
 
                             .format(duration))
205
 
    # End token found
206
 
    return value
207
 
 
208
 
 
209
 
def string_to_delta(interval):
210
 
    """Parse a string and return a datetime.timedelta
211
 
 
212
 
    >>> string_to_delta('7d')
213
 
    datetime.timedelta(7)
214
 
    >>> string_to_delta('60s')
215
 
    datetime.timedelta(0, 60)
216
 
    >>> string_to_delta('60m')
217
 
    datetime.timedelta(0, 3600)
218
 
    >>> string_to_delta('24h')
219
 
    datetime.timedelta(1)
220
 
    >>> string_to_delta('1w')
221
 
    datetime.timedelta(7)
222
 
    >>> string_to_delta('5m 30s')
223
 
    datetime.timedelta(0, 330)
224
 
    """
225
 
 
226
 
    try:
227
 
        return rfc3339_duration_to_delta(interval)
228
 
    except ValueError:
229
 
        pass
230
 
 
231
 
    value = datetime.timedelta(0)
232
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
233
 
 
234
 
    for num, suffix in regexp.findall(interval):
235
 
        if suffix == "d":
236
 
            value += datetime.timedelta(int(num))
237
 
        elif suffix == "s":
238
 
            value += datetime.timedelta(0, int(num))
239
 
        elif suffix == "m":
240
 
            value += datetime.timedelta(0, 0, 0, 0, int(num))
241
 
        elif suffix == "h":
242
 
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
243
 
        elif suffix == "w":
244
 
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
245
 
        elif suffix == "":
246
 
            value += datetime.timedelta(0, 0, 0, int(num))
247
 
    return value
248
 
 
249
 
 
250
 
def print_clients(clients, keywords):
251
 
    def valuetostring(value, keyword):
252
 
        if isinstance(value, dbus.Boolean):
253
 
            return "Yes" if value else "No"
254
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
255
 
                       "ApprovalDuration", "ExtendedTimeout"):
256
 
            return milliseconds_to_string(value)
257
 
        return str(value)
258
 
 
259
 
    # Create format string to print table rows
260
 
    format_string = " ".join("{{{key}:{width}}}".format(
261
 
        width=max(len(tablewords[key]),
262
 
                  max(len(valuetostring(client[key], key))
263
 
                      for client in clients)),
264
 
        key=key)
265
 
                             for key in keywords)
266
 
    # Print header line
267
 
    print(format_string.format(**tablewords))
268
 
    for client in clients:
269
 
        print(format_string
270
 
              .format(**{key: valuetostring(client[key], key)
271
 
                         for key in keywords}))
272
 
 
273
 
 
274
 
def has_actions(options):
275
 
    return any((options.enable,
276
 
                options.disable,
277
 
                options.bump_timeout,
278
 
                options.start_checker,
279
 
                options.stop_checker,
280
 
                options.is_enabled,
281
 
                options.remove,
282
 
                options.checker is not None,
283
 
                options.timeout is not None,
284
 
                options.extended_timeout is not None,
285
 
                options.interval is not None,
286
 
                options.approved_by_default is not None,
287
 
                options.approval_delay is not None,
288
 
                options.approval_duration is not None,
289
 
                options.host is not None,
290
 
                options.secret is not None,
291
 
                options.approve,
292
 
                options.deny))
293
 
 
294
 
 
295
 
def main():
296
 
    parser = argparse.ArgumentParser()
297
 
    parser.add_argument("--version", action="version",
298
 
                        version="%(prog)s {}".format(version),
299
 
                        help="show version number and exit")
300
 
    parser.add_argument("-a", "--all", action="store_true",
301
 
                        help="Select all clients")
302
 
    parser.add_argument("-v", "--verbose", action="store_true",
303
 
                        help="Print all fields")
304
 
    parser.add_argument("-j", "--dump-json", action="store_true",
305
 
                        help="Dump client data in JSON format")
306
 
    parser.add_argument("-e", "--enable", action="store_true",
307
 
                        help="Enable client")
308
 
    parser.add_argument("-d", "--disable", action="store_true",
309
 
                        help="disable client")
310
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
311
 
                        help="Bump timeout for client")
312
 
    parser.add_argument("--start-checker", action="store_true",
313
 
                        help="Start checker for client")
314
 
    parser.add_argument("--stop-checker", action="store_true",
315
 
                        help="Stop checker for client")
316
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
317
 
                        help="Check if client is enabled")
318
 
    parser.add_argument("-r", "--remove", action="store_true",
319
 
                        help="Remove client")
320
 
    parser.add_argument("-c", "--checker",
321
 
                        help="Set checker command for client")
322
 
    parser.add_argument("-t", "--timeout",
323
 
                        help="Set timeout for client")
324
 
    parser.add_argument("--extended-timeout",
325
 
                        help="Set extended timeout for client")
326
 
    parser.add_argument("-i", "--interval",
327
 
                        help="Set checker interval for client")
328
 
    parser.add_argument("--approve-by-default", action="store_true",
329
 
                        default=None, dest="approved_by_default",
330
 
                        help="Set client to be approved by default")
331
 
    parser.add_argument("--deny-by-default", action="store_false",
332
 
                        dest="approved_by_default",
333
 
                        help="Set client to be denied by default")
334
 
    parser.add_argument("--approval-delay",
335
 
                        help="Set delay before client approve/deny")
336
 
    parser.add_argument("--approval-duration",
337
 
                        help="Set duration of one client approval")
338
 
    parser.add_argument("-H", "--host", help="Set host for client")
339
 
    parser.add_argument("-s", "--secret",
340
 
                        type=argparse.FileType(mode="rb"),
341
 
                        help="Set password blob (file) for client")
342
 
    parser.add_argument("-A", "--approve", action="store_true",
343
 
                        help="Approve any current client request")
344
 
    parser.add_argument("-D", "--deny", action="store_true",
345
 
                        help="Deny any current client request")
346
 
    parser.add_argument("--check", action="store_true",
347
 
                        help="Run self-test")
348
 
    parser.add_argument("client", nargs="*", help="Client name")
349
 
    options = parser.parse_args()
350
 
 
351
 
    if has_actions(options) and not (options.client or options.all):
352
 
        parser.error("Options require clients names or --all.")
353
 
    if options.verbose and has_actions(options):
354
 
        parser.error("--verbose can only be used alone.")
355
 
    if options.dump_json and (options.verbose
356
 
                              or has_actions(options)):
357
 
        parser.error("--dump-json can only be used alone.")
358
 
    if options.all and not has_actions(options):
359
 
        parser.error("--all requires an action.")
360
 
 
361
 
    try:
362
 
        bus = dbus.SystemBus()
363
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
364
 
    except dbus.exceptions.DBusException:
365
 
        log.critical("Could not connect to Mandos server")
366
 
        sys.exit(1)
367
 
 
368
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
369
 
                                 dbus_interface=server_interface)
370
 
    mandos_serv_object_manager = dbus.Interface(
371
 
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
372
 
 
373
 
    # block stderr since dbus library prints to stderr
374
 
    null = os.open(os.path.devnull, os.O_RDWR)
375
 
    stderrcopy = os.dup(sys.stderr.fileno())
376
 
    os.dup2(null, sys.stderr.fileno())
377
 
    os.close(null)
378
 
    try:
379
 
        try:
380
 
            mandos_clients = {path: ifs_and_props[client_interface]
381
 
                              for path, ifs_and_props in
382
 
                              mandos_serv_object_manager
383
 
                              .GetManagedObjects().items()
384
 
                              if client_interface in ifs_and_props}
385
 
        finally:
386
 
            # restore stderr
387
 
            os.dup2(stderrcopy, sys.stderr.fileno())
388
 
            os.close(stderrcopy)
389
 
    except dbus.exceptions.DBusException as e:
390
 
        log.critical("Failed to access Mandos server through D-Bus:"
391
 
                     "\n%s", e)
392
 
        sys.exit(1)
393
 
 
394
 
    # Compile dict of (clients: properties) to process
395
 
    clients = {}
396
 
 
397
 
    if options.all or not options.client:
398
 
        clients = {bus.get_object(busname, path): properties
399
 
                   for path, properties in mandos_clients.items()}
400
 
    else:
401
 
        for name in options.client:
402
 
            for path, client in mandos_clients.items():
403
 
                if client["Name"] == name:
404
 
                    client_objc = bus.get_object(busname, path)
405
 
                    clients[client_objc] = client
406
 
                    break
407
 
            else:
408
 
                log.critical("Client not found on server: %r", name)
409
 
                sys.exit(1)
410
 
 
411
 
    if not has_actions(options) and clients:
412
 
        if options.verbose or options.dump_json:
413
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
414
 
                        "Created", "Interval", "Host", "KeyID",
415
 
                        "Fingerprint", "CheckerRunning",
416
 
                        "LastEnabled", "ApprovalPending",
417
 
                        "ApprovedByDefault", "LastApprovalRequest",
418
 
                        "ApprovalDelay", "ApprovalDuration",
419
 
                        "Checker", "ExtendedTimeout", "Expires",
420
 
                        "LastCheckerStatus")
421
 
        else:
422
 
            keywords = defaultkeywords
423
 
 
424
 
        if options.dump_json:
425
 
            json.dump({client["Name"]: {key:
426
 
                                        bool(client[key])
427
 
                                        if isinstance(client[key],
428
 
                                                      dbus.Boolean)
429
 
                                        else client[key]
430
 
                                        for key in keywords}
431
 
                       for client in clients.values()},
432
 
                      fp=sys.stdout, indent=4,
433
 
                      separators=(',', ': '))
434
 
            print()
435
 
        else:
436
 
            print_clients(clients.values(), keywords)
437
 
    else:
438
 
        # Process each client in the list by all selected options
439
 
        for client in clients:
440
 
 
441
 
            def set_client_prop(prop, value):
442
 
                """Set a Client D-Bus property"""
443
 
                client.Set(client_interface, prop, value,
444
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
445
 
 
446
 
            def set_client_prop_ms(prop, value):
447
 
                """Set a Client D-Bus property, converted
448
 
                from a string to milliseconds."""
449
 
                set_client_prop(prop,
450
 
                                string_to_delta(value).total_seconds()
451
 
                                * 1000)
452
 
 
453
 
            if options.remove:
454
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
455
 
            if options.enable:
456
 
                set_client_prop("Enabled", dbus.Boolean(True))
457
 
            if options.disable:
458
 
                set_client_prop("Enabled", dbus.Boolean(False))
459
 
            if options.bump_timeout:
460
 
                set_client_prop("LastCheckedOK", "")
461
 
            if options.start_checker:
462
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
463
 
            if options.stop_checker:
464
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
465
 
            if options.is_enabled:
466
 
                if client.Get(client_interface, "Enabled",
467
 
                              dbus_interface=dbus.PROPERTIES_IFACE):
468
 
                    sys.exit(0)
469
 
                else:
470
 
                    sys.exit(1)
471
 
            if options.checker is not None:
472
 
                set_client_prop("Checker", options.checker)
473
 
            if options.host is not None:
474
 
                set_client_prop("Host", options.host)
475
 
            if options.interval is not None:
476
 
                set_client_prop_ms("Interval", options.interval)
477
 
            if options.approval_delay is not None:
478
 
                set_client_prop_ms("ApprovalDelay",
479
 
                                   options.approval_delay)
480
 
            if options.approval_duration is not None:
481
 
                set_client_prop_ms("ApprovalDuration",
482
 
                                   options.approval_duration)
483
 
            if options.timeout is not None:
484
 
                set_client_prop_ms("Timeout", options.timeout)
485
 
            if options.extended_timeout is not None:
486
 
                set_client_prop_ms("ExtendedTimeout",
487
 
                                   options.extended_timeout)
488
 
            if options.secret is not None:
489
 
                set_client_prop("Secret",
490
 
                                dbus.ByteArray(options.secret.read()))
491
 
            if options.approved_by_default is not None:
492
 
                set_client_prop("ApprovedByDefault",
493
 
                                dbus.Boolean(options
494
 
                                             .approved_by_default))
495
 
            if options.approve:
496
 
                client.Approve(dbus.Boolean(True),
497
 
                               dbus_interface=client_interface)
498
 
            elif options.deny:
499
 
                client.Approve(dbus.Boolean(False),
500
 
                               dbus_interface=client_interface)
501
 
 
502
 
 
503
 
class Test_milliseconds_to_string(unittest.TestCase):
504
 
    def test_all(self):
505
 
        self.assertEqual(milliseconds_to_string(93785000),
506
 
                         "1T02:03:05")
507
 
    def test_no_days(self):
508
 
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
509
 
    def test_all_zero(self):
510
 
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
511
 
    def test_no_fractional_seconds(self):
512
 
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
513
 
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
514
 
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
515
 
 
516
 
 
517
 
def should_only_run_tests():
518
 
    parser = argparse.ArgumentParser(add_help=False)
519
 
    parser.add_argument("--check", action='store_true')
520
 
    args, unknown_args = parser.parse_known_args()
521
 
    run_tests = args.check
522
 
    if run_tests:
523
 
        # Remove --check argument from sys.argv
524
 
        sys.argv[1:] = unknown_args
525
 
    return run_tests
526
 
 
527
 
# Add all tests from doctest strings
528
 
def load_tests(loader, tests, none):
529
 
    import doctest
530
 
    tests.addTests(doctest.DocTestSuite())
531
 
    return tests
532
 
 
533
 
if __name__ == "__main__":
534
 
    if should_only_run_tests():
535
 
        # Call using ./tdd-python-script --check [--verbose]
536
 
        unittest.main()
537
 
    else:
538
 
        main()