2
# -*- mode: python; coding: utf-8 -*-
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*")))); -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
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
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
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (at your option) any later version.
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.
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
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
23
24
# Contact the authors at <mandos@recompile.se>.
26
27
from __future__ import (division, absolute_import, print_function,
64
79
"ApprovalDelay": "Approval Delay",
65
80
"ApprovalDuration": "Approval Duration",
66
81
"Checker": "Checker",
67
"ExtendedTimeout": "Extended Timeout"
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
69
86
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
70
87
domain = "se.recompile"
73
90
server_interface = domain + ".Mandos"
74
91
client_interface = domain + ".Mandos.Client"
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
78
101
def milliseconds_to_string(ms):
79
102
td = datetime.timedelta(0, 0, 0, ms)
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))
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))
87
110
def rfc3339_duration_to_delta(duration):
88
111
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
90
113
>>> rfc3339_duration_to_delta("P7D")
91
114
datetime.timedelta(7)
92
115
>>> rfc3339_duration_to_delta("PT60S")
93
116
datetime.timedelta(0, 60)
94
117
>>> rfc3339_duration_to_delta("PT60M")
95
118
datetime.timedelta(0, 3600)
119
>>> rfc3339_duration_to_delta("P60M")
120
datetime.timedelta(1680)
96
121
>>> rfc3339_duration_to_delta("PT24H")
97
122
datetime.timedelta(1)
98
123
>>> rfc3339_duration_to_delta("P1W")
101
126
datetime.timedelta(0, 330)
102
127
>>> rfc3339_duration_to_delta("P1DT3M20S")
103
128
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'
106
160
# Parsing an RFC 3339 duration with regular expressions is not
107
161
# possible - there would have to be multiple places for the same
108
162
# values, like seconds. The current code, while more esoteric, is
109
163
# cleaner without depending on a parsing library. If Python had a
110
164
# built-in library for parsing we would use it, but we'd like to
111
165
# avoid excessive use of external libraries.
113
167
# New type for defining tokens, syntax, and semantics all-in-one
114
168
Token = collections.namedtuple("Token", (
115
169
"regexp", # To match token; if "value" is not None, must have
148
202
frozenset((token_year, token_month,
149
203
token_day, token_time,
151
# Define starting values
152
value = datetime.timedelta() # Value so far
205
# Define starting values:
207
value = datetime.timedelta()
153
208
found_token = None
154
followers = frozenset((token_duration, )) # Following valid tokens
155
s = duration # String left to parse
209
# Following valid tokens
210
followers = frozenset((token_duration, ))
211
# String left to parse
156
213
# Loop until end token is found
157
214
while found_token is not token_end:
158
215
# Search for any currently valid tokens
196
253
>>> string_to_delta('5m 30s')
197
254
datetime.timedelta(0, 330)
201
258
return rfc3339_duration_to_delta(interval)
202
259
except ValueError:
205
262
value = datetime.timedelta(0)
206
263
regexp = re.compile(r"(\d+)([dsmhw]?)")
208
265
for num, suffix in regexp.findall(interval):
209
266
if suffix == "d":
210
267
value += datetime.timedelta(int(num))
224
281
def print_clients(clients, keywords):
225
282
def valuetostring(value, keyword):
226
if type(value) is dbus.Boolean:
283
if isinstance(value, dbus.Boolean):
227
284
return "Yes" if value else "No"
228
285
if keyword in ("Timeout", "Interval", "ApprovalDelay",
229
286
"ApprovalDuration", "ExtendedTimeout"):
230
287
return milliseconds_to_string(value)
231
288
return str(value)
233
290
# Create format string to print table rows
234
291
format_string = " ".join("{{{key}:{width}}}".format(
235
width = max(len(tablewords[key]),
236
max(len(valuetostring(client[key], key))
237
for client in clients)),
292
width=max(len(tablewords[key]),
293
max(len(valuetostring(client[key], key))
294
for client in clients)),
239
296
for key in keywords)
240
297
# Print header line
241
298
print(format_string.format(**tablewords))
242
299
for client in clients:
243
print(format_string.format(**{
244
key: valuetostring(client[key], key)
245
for key in keywords }))
301
.format(**{key: valuetostring(client[key], key)
302
for key in keywords}))
248
305
def has_actions(options):
270
327
parser = argparse.ArgumentParser()
271
328
parser.add_argument("--version", action="version",
272
version = "%(prog)s {}".format(version),
329
version="%(prog)s {}".format(version),
273
330
help="show version number and exit")
274
331
parser.add_argument("-a", "--all", action="store_true",
275
332
help="Select all clients")
276
333
parser.add_argument("-v", "--verbose", action="store_true",
277
334
help="Print all fields")
335
parser.add_argument("-j", "--dump-json", action="store_true",
336
help="Dump client data in JSON format")
278
337
parser.add_argument("-e", "--enable", action="store_true",
279
338
help="Enable client")
280
339
parser.add_argument("-d", "--disable", action="store_true",
319
378
help="Run self-test")
320
379
parser.add_argument("client", nargs="*", help="Client name")
321
380
options = parser.parse_args()
323
382
if has_actions(options) and not (options.client or options.all):
324
383
parser.error("Options require clients names or --all.")
325
384
if options.verbose and has_actions(options):
326
parser.error("--verbose can only be used alone or with"
385
parser.error("--verbose can only be used alone.")
386
if options.dump_json and (options.verbose
387
or has_actions(options)):
388
parser.error("--dump-json can only be used alone.")
328
389
if options.all and not has_actions(options):
329
390
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)
336
393
bus = dbus.SystemBus()
337
394
mandos_dbus_objc = bus.get_object(busname, server_path)
338
395
except dbus.exceptions.DBusException:
339
print("Could not connect to Mandos server", file=sys.stderr)
396
log.critical("Could not connect to Mandos server")
342
399
mandos_serv = dbus.Interface(mandos_dbus_objc,
343
dbus_interface = server_interface)
345
#block stderr since dbus library prints to stderr
400
dbus_interface=server_interface)
401
mandos_serv_object_manager = dbus.Interface(
402
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
404
# block stderr since dbus library prints to stderr
346
405
null = os.open(os.path.devnull, os.O_RDWR)
347
406
stderrcopy = os.dup(sys.stderr.fileno())
348
407
os.dup2(null, sys.stderr.fileno())
352
mandos_clients = mandos_serv.GetAllClientsWithProperties()
411
mandos_clients = {path: ifs_and_props[client_interface]
412
for path, ifs_and_props in
413
mandos_serv_object_manager
414
.GetManagedObjects().items()
415
if client_interface in ifs_and_props}
355
418
os.dup2(stderrcopy, sys.stderr.fileno())
356
419
os.close(stderrcopy)
357
except dbus.exceptions.DBusException:
358
print("Access denied: Accessing mandos server through dbus.",
420
except dbus.exceptions.DBusException as e:
421
log.critical("Failed to access Mandos server through D-Bus:"
362
425
# Compile dict of (clients: properties) to process
365
428
if options.all or not options.client:
366
clients = { bus.get_object(busname, path): properties
367
for path, properties in mandos_clients.items() }
429
clients = {bus.get_object(busname, path): properties
430
for path, properties in mandos_clients.items()}
369
432
for name in options.client:
370
433
for path, client in mandos_clients.items():
373
436
clients[client_objc] = client
376
print("Client not found on server: {!r}"
377
.format(name), file=sys.stderr)
439
log.critical("Client not found on server: %r", name)
380
442
if not has_actions(options) and clients:
443
if options.verbose or options.dump_json:
382
444
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
383
"Created", "Interval", "Host", "Fingerprint",
384
"CheckerRunning", "LastEnabled",
385
"ApprovalPending", "ApprovedByDefault",
386
"LastApprovalRequest", "ApprovalDelay",
387
"ApprovalDuration", "Checker",
445
"Created", "Interval", "Host", "KeyID",
446
"Fingerprint", "CheckerRunning",
447
"LastEnabled", "ApprovalPending",
448
"ApprovedByDefault", "LastApprovalRequest",
449
"ApprovalDelay", "ApprovalDuration",
450
"Checker", "ExtendedTimeout", "Expires",
390
453
keywords = defaultkeywords
392
print_clients(clients.values(), keywords)
455
if options.dump_json:
456
json.dump({client["Name"]: {key:
458
if isinstance(client[key],
462
for client in clients.values()},
463
fp=sys.stdout, indent=4,
464
separators=(',', ': '))
467
print_clients(clients.values(), keywords)
394
469
# Process each client in the list by all selected options
395
470
for client in clients:
397
472
def set_client_prop(prop, value):
398
473
"""Set a Client D-Bus property"""
399
474
client.Set(client_interface, prop, value,
400
475
dbus_interface=dbus.PROPERTIES_IFACE)
402
477
def set_client_prop_ms(prop, value):
403
478
"""Set a Client D-Bus property, converted
404
479
from a string to milliseconds."""
405
480
set_client_prop(prop,
406
481
string_to_delta(value).total_seconds()
409
484
if options.remove:
410
485
mandos_serv.RemoveClient(client.__dbus_object_path__)
411
486
if options.enable:
419
494
if options.stop_checker:
420
495
set_client_prop("CheckerRunning", dbus.Boolean(False))
421
496
if options.is_enabled:
422
sys.exit(0 if client.Get(client_interface,
425
dbus.PROPERTIES_IFACE)
497
if client.Get(client_interface, "Enabled",
498
dbus_interface=dbus.PROPERTIES_IFACE):
427
502
if options.checker is not None:
428
503
set_client_prop("Checker", options.checker)
429
504
if options.host is not None:
455
530
client.Approve(dbus.Boolean(False),
456
531
dbus_interface=client_interface)
534
class Test_milliseconds_to_string(unittest.TestCase):
536
self.assertEqual(milliseconds_to_string(93785000),
538
def test_no_days(self):
539
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
540
def test_all_zero(self):
541
self.assertEqual(milliseconds_to_string(0), "00:00:00")
542
def test_no_fractional_seconds(self):
543
self.assertEqual(milliseconds_to_string(400), "00:00:00")
544
self.assertEqual(milliseconds_to_string(900), "00:00:00")
545
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
548
def should_only_run_tests():
549
parser = argparse.ArgumentParser(add_help=False)
550
parser.add_argument("--check", action='store_true')
551
args, unknown_args = parser.parse_known_args()
552
run_tests = args.check
554
# Remove --check argument from sys.argv
555
sys.argv[1:] = unknown_args
558
# Add all tests from doctest strings
559
def load_tests(loader, tests, none):
561
tests.addTests(doctest.DocTestSuite())
459
564
if __name__ == "__main__":
565
if should_only_run_tests():
566
# Call using ./tdd-python-script --check [--verbose]