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 © 2008-2012 Teddy Hogeborn
7
# Copyright © 2008-2012 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,
31
from future_builtins import *
29
from future_builtins import *
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:
62
39
locale.setlocale(locale.LC_ALL, "")
79
55
"ApprovalDelay": "Approval Delay",
80
56
"ApprovalDuration": "Approval Duration",
81
57
"Checker": "Checker",
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
58
"ExtendedTimeout" : "Extended Timeout"
86
60
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
87
61
domain = "se.recompile"
88
62
busname = domain + ".Mandos"
90
64
server_interface = domain + ".Mandos"
91
65
client_interface = domain + ".Mandos.Client"
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
68
def timedelta_to_milliseconds(td):
69
"""Convert a datetime.timedelta object to milliseconds"""
70
return ((td.days * 24 * 60 * 60 * 1000)
72
+ (td.microseconds // 1000))
101
74
def milliseconds_to_string(ms):
102
75
td = datetime.timedelta(0, 0, 0, ms)
103
76
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))
110
def rfc3339_duration_to_delta(duration):
111
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
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("P60M")
120
datetime.timedelta(1680)
121
>>> rfc3339_duration_to_delta("PT24H")
122
datetime.timedelta(1)
123
>>> rfc3339_duration_to_delta("P1W")
124
datetime.timedelta(7)
125
>>> rfc3339_duration_to_delta("PT5M30S")
126
datetime.timedelta(0, 330)
127
>>> rfc3339_duration_to_delta("P1DT3M20S")
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'
160
# Parsing an RFC 3339 duration with regular expressions is not
161
# possible - there would have to be multiple places for the same
162
# values, like seconds. The current code, while more esoteric, is
163
# cleaner without depending on a parsing library. If Python had a
164
# built-in library for parsing we would use it, but we'd like to
165
# avoid excessive use of external libraries.
167
# New type for defining tokens, syntax, and semantics all-in-one
168
Token = collections.namedtuple("Token", (
169
"regexp", # To match token; if "value" is not None, must have
170
# a "group" containing digits
171
"value", # datetime.timedelta or None
172
"followers")) # Tokens valid after this token
173
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
174
# the "duration" ABNF definition in RFC 3339, Appendix A.
175
token_end = Token(re.compile(r"$"), None, frozenset())
176
token_second = Token(re.compile(r"(\d+)S"),
177
datetime.timedelta(seconds=1),
178
frozenset((token_end, )))
179
token_minute = Token(re.compile(r"(\d+)M"),
180
datetime.timedelta(minutes=1),
181
frozenset((token_second, token_end)))
182
token_hour = Token(re.compile(r"(\d+)H"),
183
datetime.timedelta(hours=1),
184
frozenset((token_minute, token_end)))
185
token_time = Token(re.compile(r"T"),
187
frozenset((token_hour, token_minute,
189
token_day = Token(re.compile(r"(\d+)D"),
190
datetime.timedelta(days=1),
191
frozenset((token_time, token_end)))
192
token_month = Token(re.compile(r"(\d+)M"),
193
datetime.timedelta(weeks=4),
194
frozenset((token_day, token_end)))
195
token_year = Token(re.compile(r"(\d+)Y"),
196
datetime.timedelta(weeks=52),
197
frozenset((token_month, token_end)))
198
token_week = Token(re.compile(r"(\d+)W"),
199
datetime.timedelta(weeks=1),
200
frozenset((token_end, )))
201
token_duration = Token(re.compile(r"P"), None,
202
frozenset((token_year, token_month,
203
token_day, token_time,
205
# Define starting values:
207
value = datetime.timedelta()
209
# Following valid tokens
210
followers = frozenset((token_duration, ))
211
# String left to parse
213
# Loop until end token is found
214
while found_token is not token_end:
215
# Search for any currently valid tokens
216
for token in followers:
217
match = token.regexp.match(s)
218
if match is not None:
220
if token.value is not None:
221
# Value found, parse digits
222
factor = int(match.group(1), 10)
223
# Add to value so far
224
value += factor * token.value
225
# Strip token from string
226
s = token.regexp.sub("", s, 1)
229
# Set valid next tokens
230
followers = found_token.followers
233
# No currently valid tokens were found
234
raise ValueError("Invalid RFC 3339 duration: {!r}"
77
.format(days = "{0}T".format(td.days) if td.days else "",
78
hours = td.seconds // 3600,
79
minutes = (td.seconds % 3600) // 60,
80
seconds = td.seconds % 60,
240
83
def string_to_delta(interval):
241
84
"""Parse a string and return a datetime.timedelta
245
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')
86
>>> string_to_delta("7d")
256
87
datetime.timedelta(7)
257
>>> parse_pre_1_6_1_interval('60s')
88
>>> string_to_delta("60s")
258
89
datetime.timedelta(0, 60)
259
>>> parse_pre_1_6_1_interval('60m')
90
>>> string_to_delta("60m")
260
91
datetime.timedelta(0, 3600)
261
>>> parse_pre_1_6_1_interval('24h')
92
>>> string_to_delta("24h")
262
93
datetime.timedelta(1)
263
>>> parse_pre_1_6_1_interval('1w')
94
>>> string_to_delta("1w")
264
95
datetime.timedelta(7)
265
>>> parse_pre_1_6_1_interval('5m 30s')
96
>>> string_to_delta("5m 30s")
266
97
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
99
value = datetime.timedelta(0)
276
regexp = re.compile(r"(\d+)([dsmhw]?)")
100
regexp = re.compile("(\d+)([dsmhw]?)")
278
102
for num, suffix in regexp.findall(interval):
279
103
if suffix == "d":
280
104
value += datetime.timedelta(int(num))
380
201
parser.add_argument("--approval-duration",
381
202
help="Set duration of one client approval")
382
203
parser.add_argument("-H", "--host", help="Set host for client")
383
parser.add_argument("-s", "--secret",
384
type=argparse.FileType(mode="rb"),
204
parser.add_argument("-s", "--secret", type=file,
385
205
help="Set password blob (file) for client")
386
206
parser.add_argument("-A", "--approve", action="store_true",
387
207
help="Approve any current client request")
388
208
parser.add_argument("-D", "--deny", action="store_true",
389
209
help="Deny any current client request")
390
parser.add_argument("--check", action="store_true",
391
help="Run self-test")
392
210
parser.add_argument("client", nargs="*", help="Client name")
393
211
options = parser.parse_args()
395
213
if has_actions(options) and not (options.client or options.all):
396
214
parser.error("Options require clients names or --all.")
397
215
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.")
216
parser.error("--verbose can only be used alone or with"
402
218
if options.all and not has_actions(options):
403
219
parser.error("--all requires an action.")
406
222
bus = dbus.SystemBus()
407
223
mandos_dbus_objc = bus.get_object(busname, server_path)
408
224
except dbus.exceptions.DBusException:
409
log.critical("Could not connect to Mandos server")
225
print("Could not connect to Mandos server",
412
229
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
230
dbus_interface = server_interface)
232
#block stderr since dbus library prints to stderr
418
233
null = os.open(os.path.devnull, os.O_RDWR)
419
234
stderrcopy = os.dup(sys.stderr.fileno())
420
235
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}
239
mandos_clients = mandos_serv.GetAllClientsWithProperties()
431
242
os.dup2(stderrcopy, sys.stderr.fileno())
432
243
os.close(stderrcopy)
433
except dbus.exceptions.DBusException as e:
434
log.critical("Failed to access Mandos server through D-Bus:"
244
except dbus.exceptions.DBusException:
245
print("Access denied: Accessing mandos server through dbus.",
438
249
# Compile dict of (clients: properties) to process
441
252
if options.all or not options.client:
442
clients = {bus.get_object(busname, path): properties
443
for path, properties in mandos_clients.items()}
253
clients = dict((bus.get_object(busname, path), properties)
254
for path, properties in
255
mandos_clients.iteritems())
445
257
for name in options.client:
446
for path, client in mandos_clients.items():
258
for path, client in mandos_clients.iteritems():
447
259
if client["Name"] == name:
448
260
client_objc = bus.get_object(busname, path)
449
261
clients[client_objc] = client
452
log.critical("Client not found on server: %r", name)
264
print("Client not found on server: {0!r}"
265
.format(name), file=sys.stderr)
455
268
if not has_actions(options) and clients:
456
if options.verbose or options.dump_json:
457
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
458
"Created", "Interval", "Host", "KeyID",
459
"Fingerprint", "CheckerRunning",
270
keywords = ("Name", "Enabled", "Timeout",
271
"LastCheckedOK", "Created", "Interval",
272
"Host", "Fingerprint", "CheckerRunning",
460
273
"LastEnabled", "ApprovalPending",
461
"ApprovedByDefault", "LastApprovalRequest",
462
"ApprovalDelay", "ApprovalDuration",
463
"Checker", "ExtendedTimeout", "Expires",
275
"LastApprovalRequest", "ApprovalDelay",
276
"ApprovalDuration", "Checker",
466
279
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)
281
print_clients(clients.values(), keywords)
482
283
# Process each client in the list by all selected options
483
284
for client in clients:
485
285
def set_client_prop(prop, value):
486
286
"""Set a Client D-Bus property"""
487
287
client.Set(client_interface, prop, value,
488
288
dbus_interface=dbus.PROPERTIES_IFACE)
490
289
def set_client_prop_ms(prop, value):
491
290
"""Set a Client D-Bus property, converted
492
291
from a string to milliseconds."""
493
292
set_client_prop(prop,
494
string_to_delta(value).total_seconds()
293
timedelta_to_milliseconds
294
(string_to_delta(value)))
497
295
if options.remove:
498
296
mandos_serv.RemoveClient(client.__dbus_object_path__)
499
297
if options.enable:
543
341
client.Approve(dbus.Boolean(False),
544
342
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")
560
class Test_string_to_delta(unittest.TestCase):
561
def test_handles_basic_rfc3339(self):
562
self.assertEqual(string_to_delta("PT2H"),
563
datetime.timedelta(0, 7200))
564
def test_falls_back_to_pre_1_6_1_with_warning(self):
565
# assertLogs only exists in Python 3.4
566
if hasattr(self, "assertLogs"):
567
with self.assertLogs(log, logging.WARNING):
568
value = string_to_delta("2h")
570
value = string_to_delta("2h")
571
self.assertEqual(value, datetime.timedelta(0, 7200))
574
def should_only_run_tests():
575
parser = argparse.ArgumentParser(add_help=False)
576
parser.add_argument("--check", action='store_true')
577
args, unknown_args = parser.parse_known_args()
578
run_tests = args.check
580
# Remove --check argument from sys.argv
581
sys.argv[1:] = unknown_args
584
# Add all tests from doctest strings
585
def load_tests(loader, tests, none):
587
tests.addTests(doctest.DocTestSuite())
590
344
if __name__ == "__main__":
591
if should_only_run_tests():
592
# Call using ./tdd-python-script --check [--verbose]