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*")))); -*-
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2008-2019 Teddy Hogeborn
7
# Copyright © 2008-2019 Björn Påhlsson
9
# This file is part of Mandos.
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
6
# Copyright © 2008-2015 Teddy Hogeborn
7
# Copyright © 2008-2015 Björn Påhlsson
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
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
16
# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
17
# GNU General Public License for more details.
21
19
# You should have received a copy of the GNU General Public License
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
20
# along with this program. If not, see
21
# <http://www.gnu.org/licenses/>.
24
23
# Contact the authors at <mandos@recompile.se>.
27
26
from __future__ import (division, absolute_import, print_function,
79
64
"ApprovalDelay": "Approval Delay",
80
65
"ApprovalDuration": "Approval Duration",
81
66
"Checker": "Checker",
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
67
"ExtendedTimeout": "Extended Timeout"
86
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
87
70
domain = "se.recompile"
90
73
server_interface = domain + ".Mandos"
91
74
client_interface = domain + ".Mandos.Client"
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
101
78
def milliseconds_to_string(ms):
102
79
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))
80
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
81
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))
110
87
def rfc3339_duration_to_delta(duration):
111
88
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
113
90
>>> rfc3339_duration_to_delta("P7D")
114
91
datetime.timedelta(7)
115
92
>>> rfc3339_duration_to_delta("PT60S")
116
93
datetime.timedelta(0, 60)
117
94
>>> rfc3339_duration_to_delta("PT60M")
118
95
datetime.timedelta(0, 3600)
119
>>> rfc3339_duration_to_delta("P60M")
120
datetime.timedelta(1680)
121
96
>>> rfc3339_duration_to_delta("PT24H")
122
97
datetime.timedelta(1)
123
98
>>> rfc3339_duration_to_delta("P1W")
126
101
datetime.timedelta(0, 330)
127
102
>>> rfc3339_duration_to_delta("P1DT3M20S")
128
103
datetime.timedelta(1, 200)
129
>>> # Can not be empty:
130
>>> rfc3339_duration_to_delta("")
131
Traceback (most recent call last):
133
ValueError: Invalid RFC 3339 duration: u''
134
>>> # Must start with "P":
135
>>> rfc3339_duration_to_delta("1D")
136
Traceback (most recent call last):
138
ValueError: Invalid RFC 3339 duration: u'1D'
139
>>> # Must use correct order
140
>>> rfc3339_duration_to_delta("PT1S2M")
141
Traceback (most recent call last):
143
ValueError: Invalid RFC 3339 duration: u'PT1S2M'
144
>>> # Time needs time marker
145
>>> rfc3339_duration_to_delta("P1H2S")
146
Traceback (most recent call last):
148
ValueError: Invalid RFC 3339 duration: u'P1H2S'
149
>>> # Weeks can not be combined with anything else
150
>>> rfc3339_duration_to_delta("P1D2W")
151
Traceback (most recent call last):
153
ValueError: Invalid RFC 3339 duration: u'P1D2W'
154
>>> rfc3339_duration_to_delta("P2W2H")
155
Traceback (most recent call last):
157
ValueError: Invalid RFC 3339 duration: u'P2W2H'
160
106
# Parsing an RFC 3339 duration with regular expressions is not
161
107
# possible - there would have to be multiple places for the same
162
108
# values, like seconds. The current code, while more esoteric, is
163
109
# cleaner without depending on a parsing library. If Python had a
164
110
# built-in library for parsing we would use it, but we'd like to
165
111
# avoid excessive use of external libraries.
167
113
# New type for defining tokens, syntax, and semantics all-in-one
168
114
Token = collections.namedtuple("Token", (
169
115
"regexp", # To match token; if "value" is not None, must have
202
148
frozenset((token_year, token_month,
203
149
token_day, token_time,
205
# Define starting values:
207
value = datetime.timedelta()
151
# Define starting values
152
value = datetime.timedelta() # Value so far
208
153
found_token = None
209
# Following valid tokens
210
followers = frozenset((token_duration, ))
211
# String left to parse
154
followers = frozenset((token_duration, )) # Following valid tokens
155
s = duration # String left to parse
213
156
# Loop until end token is found
214
157
while found_token is not token_end:
215
158
# Search for any currently valid tokens
240
183
def string_to_delta(interval):
241
184
"""Parse a string and return a datetime.timedelta
186
>>> string_to_delta('7d')
187
datetime.timedelta(7)
188
>>> string_to_delta('60s')
189
datetime.timedelta(0, 60)
190
>>> string_to_delta('60m')
191
datetime.timedelta(0, 3600)
192
>>> string_to_delta('24h')
193
datetime.timedelta(1)
194
>>> string_to_delta('1w')
195
datetime.timedelta(7)
196
>>> string_to_delta('5m 30s')
197
datetime.timedelta(0, 330)
245
201
return rfc3339_duration_to_delta(interval)
246
except ValueError as e:
247
log.warning("%s - Parsing as pre-1.6.1 interval instead",
249
return parse_pre_1_6_1_interval(interval)
252
def parse_pre_1_6_1_interval(interval):
253
"""Parse an interval string as documented by Mandos before 1.6.1, and
254
return a datetime.timedelta
255
>>> parse_pre_1_6_1_interval('7d')
256
datetime.timedelta(7)
257
>>> parse_pre_1_6_1_interval('60s')
258
datetime.timedelta(0, 60)
259
>>> parse_pre_1_6_1_interval('60m')
260
datetime.timedelta(0, 3600)
261
>>> parse_pre_1_6_1_interval('24h')
262
datetime.timedelta(1)
263
>>> parse_pre_1_6_1_interval('1w')
264
datetime.timedelta(7)
265
>>> parse_pre_1_6_1_interval('5m 30s')
266
datetime.timedelta(0, 330)
267
>>> parse_pre_1_6_1_interval('')
268
datetime.timedelta(0)
269
>>> # Ignore unknown characters, allow any order and repetitions
270
>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
271
datetime.timedelta(2, 480, 18000)
275
205
value = datetime.timedelta(0)
276
206
regexp = re.compile(r"(\d+)([dsmhw]?)")
278
208
for num, suffix in regexp.findall(interval):
279
209
if suffix == "d":
280
210
value += datetime.timedelta(int(num))
294
224
def print_clients(clients, keywords):
295
225
def valuetostring(value, keyword):
296
if isinstance(value, dbus.Boolean):
226
if type(value) is dbus.Boolean:
297
227
return "Yes" if value else "No"
298
228
if keyword in ("Timeout", "Interval", "ApprovalDelay",
299
229
"ApprovalDuration", "ExtendedTimeout"):
300
230
return milliseconds_to_string(value)
301
231
return str(value)
303
233
# Create format string to print table rows
304
234
format_string = " ".join("{{{key}:{width}}}".format(
305
width=max(len(tablewords[key]),
306
max(len(valuetostring(client[key], key))
307
for client in clients)),
235
width = max(len(tablewords[key]),
236
max(len(valuetostring(client[key], key))
237
for client in clients)),
309
239
for key in keywords)
310
240
# Print header line
311
241
print(format_string.format(**tablewords))
312
242
for client in clients:
314
.format(**{key: valuetostring(client[key], key)
315
for key in keywords}))
243
print(format_string.format(**{
244
key: valuetostring(client[key], key)
245
for key in keywords }))
318
248
def has_actions(options):
340
270
parser = argparse.ArgumentParser()
341
271
parser.add_argument("--version", action="version",
342
version="%(prog)s {}".format(version),
272
version = "%(prog)s {}".format(version),
343
273
help="show version number and exit")
344
274
parser.add_argument("-a", "--all", action="store_true",
345
275
help="Select all clients")
346
276
parser.add_argument("-v", "--verbose", action="store_true",
347
277
help="Print all fields")
348
parser.add_argument("-j", "--dump-json", action="store_true",
349
help="Dump client data in JSON format")
350
278
parser.add_argument("-e", "--enable", action="store_true",
351
279
help="Enable client")
352
280
parser.add_argument("-d", "--disable", action="store_true",
391
319
help="Run self-test")
392
320
parser.add_argument("client", nargs="*", help="Client name")
393
321
options = parser.parse_args()
395
323
if has_actions(options) and not (options.client or options.all):
396
324
parser.error("Options require clients names or --all.")
397
325
if options.verbose and has_actions(options):
398
parser.error("--verbose can only be used alone.")
399
if options.dump_json and (options.verbose
400
or has_actions(options)):
401
parser.error("--dump-json can only be used alone.")
326
parser.error("--verbose can only be used alone or with"
402
328
if options.all and not has_actions(options):
403
329
parser.error("--all requires an action.")
332
fail_count, test_count = doctest.testmod()
333
sys.exit(os.EX_OK if fail_count == 0 else 1)
406
336
bus = dbus.SystemBus()
407
337
mandos_dbus_objc = bus.get_object(busname, server_path)
408
338
except dbus.exceptions.DBusException:
409
log.critical("Could not connect to Mandos server")
339
print("Could not connect to Mandos server", file=sys.stderr)
412
342
mandos_serv = dbus.Interface(mandos_dbus_objc,
413
dbus_interface=server_interface)
414
mandos_serv_object_manager = dbus.Interface(
415
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
417
# block stderr since dbus library prints to stderr
343
dbus_interface = server_interface)
345
#block stderr since dbus library prints to stderr
418
346
null = os.open(os.path.devnull, os.O_RDWR)
419
347
stderrcopy = os.dup(sys.stderr.fileno())
420
348
os.dup2(null, sys.stderr.fileno())
424
mandos_clients = {path: ifs_and_props[client_interface]
425
for path, ifs_and_props in
426
mandos_serv_object_manager
427
.GetManagedObjects().items()
428
if client_interface in ifs_and_props}
352
mandos_clients = mandos_serv.GetAllClientsWithProperties()
431
355
os.dup2(stderrcopy, sys.stderr.fileno())
432
356
os.close(stderrcopy)
433
except dbus.exceptions.DBusException as e:
434
log.critical("Failed to access Mandos server through D-Bus:"
357
except dbus.exceptions.DBusException:
358
print("Access denied: Accessing mandos server through dbus.",
438
362
# Compile dict of (clients: properties) to process
441
365
if options.all or not options.client:
442
clients = {bus.get_object(busname, path): properties
443
for path, properties in mandos_clients.items()}
366
clients = { bus.get_object(busname, path): properties
367
for path, properties in mandos_clients.items() }
445
369
for name in options.client:
446
370
for path, client in mandos_clients.items():
449
373
clients[client_objc] = client
452
log.critical("Client not found on server: %r", name)
376
print("Client not found on server: {!r}"
377
.format(name), file=sys.stderr)
455
380
if not has_actions(options) and clients:
456
if options.verbose or options.dump_json:
457
382
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
458
"Created", "Interval", "Host", "KeyID",
459
"Fingerprint", "CheckerRunning",
460
"LastEnabled", "ApprovalPending",
461
"ApprovedByDefault", "LastApprovalRequest",
462
"ApprovalDelay", "ApprovalDuration",
463
"Checker", "ExtendedTimeout", "Expires",
383
"Created", "Interval", "Host", "Fingerprint",
384
"CheckerRunning", "LastEnabled",
385
"ApprovalPending", "ApprovedByDefault",
386
"LastApprovalRequest", "ApprovalDelay",
387
"ApprovalDuration", "Checker",
466
390
keywords = defaultkeywords
468
if options.dump_json:
469
json.dump({client["Name"]: {key:
471
if isinstance(client[key],
475
for client in clients.values()},
476
fp=sys.stdout, indent=4,
477
separators=(',', ': '))
480
print_clients(clients.values(), keywords)
392
print_clients(clients.values(), keywords)
482
394
# Process each client in the list by all selected options
483
395
for client in clients:
485
397
def set_client_prop(prop, value):
486
398
"""Set a Client D-Bus property"""
487
399
client.Set(client_interface, prop, value,
488
400
dbus_interface=dbus.PROPERTIES_IFACE)
490
402
def set_client_prop_ms(prop, value):
491
403
"""Set a Client D-Bus property, converted
492
404
from a string to milliseconds."""
493
405
set_client_prop(prop,
494
406
string_to_delta(value).total_seconds()
497
409
if options.remove:
498
410
mandos_serv.RemoveClient(client.__dbus_object_path__)
499
411
if options.enable:
507
419
if options.stop_checker:
508
420
set_client_prop("CheckerRunning", dbus.Boolean(False))
509
421
if options.is_enabled:
510
if client.Get(client_interface, "Enabled",
511
dbus_interface=dbus.PROPERTIES_IFACE):
422
sys.exit(0 if client.Get(client_interface,
425
dbus.PROPERTIES_IFACE)
515
427
if options.checker is not None:
516
428
set_client_prop("Checker", options.checker)
517
429
if options.host is not None:
543
455
client.Approve(dbus.Boolean(False),
544
456
dbus_interface=client_interface)
547
class Test_milliseconds_to_string(unittest.TestCase):
549
self.assertEqual(milliseconds_to_string(93785000),
551
def test_no_days(self):
552
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
553
def test_all_zero(self):
554
self.assertEqual(milliseconds_to_string(0), "00:00:00")
555
def test_no_fractional_seconds(self):
556
self.assertEqual(milliseconds_to_string(400), "00:00:00")
557
self.assertEqual(milliseconds_to_string(900), "00:00:00")
558
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
561
def should_only_run_tests():
562
parser = argparse.ArgumentParser(add_help=False)
563
parser.add_argument("--check", action='store_true')
564
args, unknown_args = parser.parse_known_args()
565
run_tests = args.check
567
# Remove --check argument from sys.argv
568
sys.argv[1:] = unknown_args
571
# Add all tests from doctest strings
572
def load_tests(loader, tests, none):
574
tests.addTests(doctest.DocTestSuite())
577
459
if __name__ == "__main__":
578
if should_only_run_tests():
579
# Call using ./tdd-python-script --check [--verbose]