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 © 2008-2014 Teddy Hogeborn
7
# Copyright © 2008-2014 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,
48
# Show warnings by default
49
if not sys.warnoptions:
51
warnings.simplefilter("default")
53
log = logging.getLogger(sys.argv[0])
54
logging.basicConfig(level="INFO", # Show info level messages
55
format="%(message)s") # Show basic log messages
57
logging.captureWarnings(True) # Show warnings via the logging system
59
if sys.version_info.major == 2:
45
if sys.version_info[0] == 2:
62
48
locale.setlocale(locale.LC_ALL, "")
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"
88
71
busname = domain + ".Mandos"
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
77
def milliseconds_to_string(ms):
102
78
td = datetime.timedelta(0, 0, 0, ms)
103
79
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
.format(days = "{}T".format(td.days) if td.days else "",
81
hours = td.seconds // 3600,
82
minutes = (td.seconds % 3600) // 60,
83
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")
125
102
>>> rfc3339_duration_to_delta("P1DT3M20S")
126
103
datetime.timedelta(1, 200)
129
106
# Parsing an RFC 3339 duration with regular expressions is not
130
107
# possible - there would have to be multiple places for the same
131
108
# values, like seconds. The current code, while more esoteric, is
132
109
# cleaner without depending on a parsing library. If Python had a
133
110
# built-in library for parsing we would use it, but we'd like to
134
111
# avoid excessive use of external libraries.
136
113
# 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
114
Token = collections.namedtuple("Token",
115
("regexp", # To match token; if
116
# "value" is not None,
117
# must have a "group"
119
"value", # datetime.timedelta or
121
"followers")) # Tokens valid after
142
123
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
143
124
# the "duration" ABNF definition in RFC 3339, Appendix A.
144
125
token_end = Token(re.compile(r"$"), None, frozenset())
145
126
token_second = Token(re.compile(r"(\d+)S"),
146
127
datetime.timedelta(seconds=1),
147
frozenset((token_end, )))
128
frozenset((token_end,)))
148
129
token_minute = Token(re.compile(r"(\d+)M"),
149
130
datetime.timedelta(minutes=1),
150
131
frozenset((token_second, token_end)))
166
147
frozenset((token_month, token_end)))
167
148
token_week = Token(re.compile(r"(\d+)W"),
168
149
datetime.timedelta(weeks=1),
169
frozenset((token_end, )))
150
frozenset((token_end,)))
170
151
token_duration = Token(re.compile(r"P"), None,
171
152
frozenset((token_year, token_month,
172
153
token_day, token_time,
174
# Define starting values:
176
value = datetime.timedelta()
155
# Define starting values
156
value = datetime.timedelta() # Value so far
177
157
found_token = None
178
# Following valid tokens
179
followers = frozenset((token_duration, ))
180
# String left to parse
158
followers = frozenset((token_duration,)) # Following valid tokens
159
s = duration # String left to parse
182
160
# Loop until end token is found
183
161
while found_token is not token_end:
184
162
# Search for any currently valid tokens
202
180
# No currently valid tokens were found
203
raise ValueError("Invalid RFC 3339 duration: {!r}"
181
raise ValueError("Invalid RFC 3339 duration")
205
182
# End token found
209
186
def string_to_delta(interval):
210
187
"""Parse a string and return a datetime.timedelta
212
>>> string_to_delta('7d')
189
>>> string_to_delta("7d")
213
190
datetime.timedelta(7)
214
>>> string_to_delta('60s')
191
>>> string_to_delta("60s")
215
192
datetime.timedelta(0, 60)
216
>>> string_to_delta('60m')
193
>>> string_to_delta("60m")
217
194
datetime.timedelta(0, 3600)
218
>>> string_to_delta('24h')
195
>>> string_to_delta("24h")
219
196
datetime.timedelta(1)
220
>>> string_to_delta('1w')
197
>>> string_to_delta("1w")
221
198
datetime.timedelta(7)
222
>>> string_to_delta('5m 30s')
199
>>> string_to_delta("5m 30s")
223
200
datetime.timedelta(0, 330)
227
204
return rfc3339_duration_to_delta(interval)
228
205
except ValueError:
231
208
value = datetime.timedelta(0)
232
209
regexp = re.compile(r"(\d+)([dsmhw]?)")
234
211
for num, suffix in regexp.findall(interval):
235
212
if suffix == "d":
236
213
value += datetime.timedelta(int(num))
255
231
"ApprovalDuration", "ExtendedTimeout"):
256
232
return milliseconds_to_string(value)
257
233
return str(value)
259
235
# Create format string to print table rows
260
236
format_string = " ".join("{{{key}:{width}}}".format(
261
width=max(len(tablewords[key]),
262
max(len(valuetostring(client[key], key))
263
for client in clients)),
237
width = max(len(tablewords[key]),
238
max(len(valuetostring(client[key],
242
key = key) for key in keywords)
266
243
# Print header line
267
244
print(format_string.format(**tablewords))
268
245
for client in clients:
270
.format(**{key: valuetostring(client[key], key)
271
for key in keywords}))
246
print(format_string.format(**{ key:
247
valuetostring(client[key],
249
for key in keywords }))
274
251
def has_actions(options):
275
252
return any((options.enable,
296
272
parser = argparse.ArgumentParser()
297
273
parser.add_argument("--version", action="version",
298
version="%(prog)s {}".format(version),
274
version = "%(prog)s {}".format(version),
299
275
help="show version number and exit")
300
276
parser.add_argument("-a", "--all", action="store_true",
301
277
help="Select all clients")
302
278
parser.add_argument("-v", "--verbose", action="store_true",
303
279
help="Print all fields")
304
parser.add_argument("-j", "--dump-json", action="store_true",
305
help="Dump client data in JSON format")
306
280
parser.add_argument("-e", "--enable", action="store_true",
307
281
help="Enable client")
308
282
parser.add_argument("-d", "--disable", action="store_true",
347
321
help="Run self-test")
348
322
parser.add_argument("client", nargs="*", help="Client name")
349
323
options = parser.parse_args()
351
325
if has_actions(options) and not (options.client or options.all):
352
326
parser.error("Options require clients names or --all.")
353
327
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.")
328
parser.error("--verbose can only be used alone or with"
358
330
if options.all and not has_actions(options):
359
331
parser.error("--all requires an action.")
334
fail_count, test_count = doctest.testmod()
335
sys.exit(os.EX_OK if fail_count == 0 else 1)
362
338
bus = dbus.SystemBus()
363
339
mandos_dbus_objc = bus.get_object(busname, server_path)
364
340
except dbus.exceptions.DBusException:
365
log.critical("Could not connect to Mandos server")
341
print("Could not connect to Mandos server",
368
345
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)
373
# block stderr since dbus library prints to stderr
346
dbus_interface = server_interface)
348
#block stderr since dbus library prints to stderr
374
349
null = os.open(os.path.devnull, os.O_RDWR)
375
350
stderrcopy = os.dup(sys.stderr.fileno())
376
351
os.dup2(null, sys.stderr.fileno())
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
mandos_clients = mandos_serv.GetAllClientsWithProperties()
387
358
os.dup2(stderrcopy, sys.stderr.fileno())
388
359
os.close(stderrcopy)
389
except dbus.exceptions.DBusException as e:
390
log.critical("Failed to access Mandos server through D-Bus:"
360
except dbus.exceptions.DBusException:
361
print("Access denied: Accessing mandos server through dbus.",
394
365
# Compile dict of (clients: properties) to process
397
368
if options.all or not options.client:
398
clients = {bus.get_object(busname, path): properties
399
for path, properties in mandos_clients.items()}
369
clients = { bus.get_object(busname, path): properties
370
for path, properties in mandos_clients.items() }
401
372
for name in options.client:
402
373
for path, client in mandos_clients.items():
405
376
clients[client_objc] = client
408
log.critical("Client not found on server: %r", name)
379
print("Client not found on server: {!r}"
380
.format(name), file=sys.stderr)
411
383
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",
385
keywords = ("Name", "Enabled", "Timeout",
386
"LastCheckedOK", "Created", "Interval",
387
"Host", "Fingerprint", "CheckerRunning",
416
388
"LastEnabled", "ApprovalPending",
417
"ApprovedByDefault", "LastApprovalRequest",
418
"ApprovalDelay", "ApprovalDuration",
419
"Checker", "ExtendedTimeout", "Expires",
390
"LastApprovalRequest", "ApprovalDelay",
391
"ApprovalDuration", "Checker",
422
394
keywords = defaultkeywords
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)
396
print_clients(clients.values(), keywords)
438
398
# Process each client in the list by all selected options
439
399
for client in clients:
441
400
def set_client_prop(prop, value):
442
401
"""Set a Client D-Bus property"""
443
402
client.Set(client_interface, prop, value,
444
403
dbus_interface=dbus.PROPERTIES_IFACE)
446
404
def set_client_prop_ms(prop, value):
447
405
"""Set a Client D-Bus property, converted
448
406
from a string to milliseconds."""
449
407
set_client_prop(prop,
450
408
string_to_delta(value).total_seconds()
453
410
if options.remove:
454
411
mandos_serv.RemoveClient(client.__dbus_object_path__)
455
412
if options.enable:
463
420
if options.stop_checker:
464
421
set_client_prop("CheckerRunning", dbus.Boolean(False))
465
422
if options.is_enabled:
466
if client.Get(client_interface, "Enabled",
467
dbus_interface=dbus.PROPERTIES_IFACE):
423
sys.exit(0 if client.Get(client_interface,
426
dbus.PROPERTIES_IFACE)
471
428
if options.checker is not None:
472
429
set_client_prop("Checker", options.checker)
473
430
if options.host is not None:
499
456
client.Approve(dbus.Boolean(False),
500
457
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())
533
459
if __name__ == "__main__":
534
if should_only_run_tests():
535
# Call using ./tdd-python-script --check [--verbose]