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")
102
125
>>> rfc3339_duration_to_delta("P1DT3M20S")
103
126
datetime.timedelta(1, 200)
106
129
# Parsing an RFC 3339 duration with regular expressions is not
107
130
# possible - there would have to be multiple places for the same
108
131
# values, like seconds. The current code, while more esoteric, is
109
132
# cleaner without depending on a parsing library. If Python had a
110
133
# built-in library for parsing we would use it, but we'd like to
111
134
# avoid excessive use of external libraries.
113
136
# New type for defining tokens, syntax, and semantics all-in-one
114
137
Token = collections.namedtuple("Token", (
115
138
"regexp", # To match token; if "value" is not None, must have
148
171
frozenset((token_year, token_month,
149
172
token_day, token_time,
151
# Define starting values
152
value = datetime.timedelta() # Value so far
174
# Define starting values:
176
value = datetime.timedelta()
153
177
found_token = None
154
followers = frozenset((token_duration, )) # Following valid tokens
155
s = duration # String left to parse
178
# Following valid tokens
179
followers = frozenset((token_duration, ))
180
# String left to parse
156
182
# Loop until end token is found
157
183
while found_token is not token_end:
158
184
# Search for any currently valid tokens
196
222
>>> string_to_delta('5m 30s')
197
223
datetime.timedelta(0, 330)
201
227
return rfc3339_duration_to_delta(interval)
202
228
except ValueError:
205
231
value = datetime.timedelta(0)
206
232
regexp = re.compile(r"(\d+)([dsmhw]?)")
208
234
for num, suffix in regexp.findall(interval):
209
235
if suffix == "d":
210
236
value += datetime.timedelta(int(num))
224
250
def print_clients(clients, keywords):
225
251
def valuetostring(value, keyword):
226
if type(value) is dbus.Boolean:
252
if isinstance(value, dbus.Boolean):
227
253
return "Yes" if value else "No"
228
254
if keyword in ("Timeout", "Interval", "ApprovalDelay",
229
255
"ApprovalDuration", "ExtendedTimeout"):
230
256
return milliseconds_to_string(value)
231
257
return str(value)
233
259
# Create format string to print table rows
234
260
format_string = " ".join("{{{key}:{width}}}".format(
235
width = max(len(tablewords[key]),
236
max(len(valuetostring(client[key], key))
237
for client in clients)),
261
width=max(len(tablewords[key]),
262
max(len(valuetostring(client[key], key))
263
for client in clients)),
239
265
for key in keywords)
240
266
# Print header line
241
267
print(format_string.format(**tablewords))
242
268
for client in clients:
243
print(format_string.format(**{
244
key: valuetostring(client[key], key)
245
for key in keywords }))
270
.format(**{key: valuetostring(client[key], key)
271
for key in keywords}))
248
274
def has_actions(options):
270
296
parser = argparse.ArgumentParser()
271
297
parser.add_argument("--version", action="version",
272
version = "%(prog)s {}".format(version),
298
version="%(prog)s {}".format(version),
273
299
help="show version number and exit")
274
300
parser.add_argument("-a", "--all", action="store_true",
275
301
help="Select all clients")
276
302
parser.add_argument("-v", "--verbose", action="store_true",
277
303
help="Print all fields")
304
parser.add_argument("-j", "--dump-json", action="store_true",
305
help="Dump client data in JSON format")
278
306
parser.add_argument("-e", "--enable", action="store_true",
279
307
help="Enable client")
280
308
parser.add_argument("-d", "--disable", action="store_true",
319
347
help="Run self-test")
320
348
parser.add_argument("client", nargs="*", help="Client name")
321
349
options = parser.parse_args()
323
351
if has_actions(options) and not (options.client or options.all):
324
352
parser.error("Options require clients names or --all.")
325
353
if options.verbose and has_actions(options):
326
parser.error("--verbose can only be used alone or with"
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.")
328
358
if options.all and not has_actions(options):
329
359
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
362
bus = dbus.SystemBus()
337
363
mandos_dbus_objc = bus.get_object(busname, server_path)
338
364
except dbus.exceptions.DBusException:
339
print("Could not connect to Mandos server", file=sys.stderr)
365
log.critical("Could not connect to Mandos server")
342
368
mandos_serv = dbus.Interface(mandos_dbus_objc,
343
dbus_interface = server_interface)
345
#block stderr since dbus library prints to stderr
369
dbus_interface=server_interface)
370
mandos_serv_object_manager = dbus.Interface(
371
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
373
# block stderr since dbus library prints to stderr
346
374
null = os.open(os.path.devnull, os.O_RDWR)
347
375
stderrcopy = os.dup(sys.stderr.fileno())
348
376
os.dup2(null, sys.stderr.fileno())
352
mandos_clients = mandos_serv.GetAllClientsWithProperties()
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}
355
387
os.dup2(stderrcopy, sys.stderr.fileno())
356
388
os.close(stderrcopy)
357
except dbus.exceptions.DBusException:
358
print("Access denied: Accessing mandos server through dbus.",
389
except dbus.exceptions.DBusException as e:
390
log.critical("Failed to access Mandos server through D-Bus:"
362
394
# Compile dict of (clients: properties) to process
365
397
if options.all or not options.client:
366
clients = { bus.get_object(busname, path): properties
367
for path, properties in mandos_clients.items() }
398
clients = {bus.get_object(busname, path): properties
399
for path, properties in mandos_clients.items()}
369
401
for name in options.client:
370
402
for path, client in mandos_clients.items():
373
405
clients[client_objc] = client
376
print("Client not found on server: {!r}"
377
.format(name), file=sys.stderr)
408
log.critical("Client not found on server: %r", name)
380
411
if not has_actions(options) and clients:
412
if options.verbose or options.dump_json:
382
413
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
383
"Created", "Interval", "Host", "Fingerprint",
384
"CheckerRunning", "LastEnabled",
385
"ApprovalPending", "ApprovedByDefault",
386
"LastApprovalRequest", "ApprovalDelay",
387
"ApprovalDuration", "Checker",
414
"Created", "Interval", "Host", "KeyID",
415
"Fingerprint", "CheckerRunning",
416
"LastEnabled", "ApprovalPending",
417
"ApprovedByDefault", "LastApprovalRequest",
418
"ApprovalDelay", "ApprovalDuration",
419
"Checker", "ExtendedTimeout", "Expires",
390
422
keywords = defaultkeywords
392
print_clients(clients.values(), keywords)
424
if options.dump_json:
425
json.dump({client["Name"]: {key:
427
if isinstance(client[key],
431
for client in clients.values()},
432
fp=sys.stdout, indent=4,
433
separators=(',', ': '))
436
print_clients(clients.values(), keywords)
394
438
# Process each client in the list by all selected options
395
439
for client in clients:
397
441
def set_client_prop(prop, value):
398
442
"""Set a Client D-Bus property"""
399
443
client.Set(client_interface, prop, value,
400
444
dbus_interface=dbus.PROPERTIES_IFACE)
402
446
def set_client_prop_ms(prop, value):
403
447
"""Set a Client D-Bus property, converted
404
448
from a string to milliseconds."""
405
449
set_client_prop(prop,
406
450
string_to_delta(value).total_seconds()
409
453
if options.remove:
410
454
mandos_serv.RemoveClient(client.__dbus_object_path__)
411
455
if options.enable:
419
463
if options.stop_checker:
420
464
set_client_prop("CheckerRunning", dbus.Boolean(False))
421
465
if options.is_enabled:
422
sys.exit(0 if client.Get(client_interface,
425
dbus.PROPERTIES_IFACE)
466
if client.Get(client_interface, "Enabled",
467
dbus_interface=dbus.PROPERTIES_IFACE):
427
471
if options.checker is not None:
428
472
set_client_prop("Checker", options.checker)
429
473
if options.host is not None:
455
499
client.Approve(dbus.Boolean(False),
456
500
dbus_interface=client_interface)
503
class Test_milliseconds_to_string(unittest.TestCase):
505
self.assertEqual(milliseconds_to_string(93785000),
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")
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
523
# Remove --check argument from sys.argv
524
sys.argv[1:] = unknown_args
527
# Add all tests from doctest strings
528
def load_tests(loader, tests, none):
530
tests.addTests(doctest.DocTestSuite())
459
533
if __name__ == "__main__":
534
if should_only_run_tests():
535
# Call using ./tdd-python-script --check [--verbose]