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 © 2008-2012 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
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,
31
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:
37
62
locale.setlocale(locale.LC_ALL, "")
43
"LastCheckedOK": "Last Successful Check",
44
"LastApprovalRequest": "Last Approval Request",
46
"Interval": "Interval",
48
"Fingerprint": "Fingerprint",
49
"CheckerRunning": "Check Is Running",
50
"LastEnabled": "Last Enabled",
51
"ApprovalPending": "Approval Is Pending",
52
"ApprovedByDefault": "Approved By Default",
53
"ApprovalDelay": "Approval Delay",
54
"ApprovalDuration": "Approval Duration",
56
"ExtendedTimeout" : "Extended Timeout"
58
64
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
59
65
domain = "se.recompile"
60
66
busname = domain + ".Mandos"
62
68
server_interface = domain + ".Mandos"
63
69
client_interface = domain + ".Mandos.Client"
66
def timedelta_to_milliseconds(td):
67
"""Convert a datetime.timedelta object to milliseconds"""
68
return ((td.days * 24 * 60 * 60 * 1000)
70
+ (td.microseconds // 1000))
74
dbus.OBJECT_MANAGER_IFACE
75
except AttributeError:
76
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
72
79
def milliseconds_to_string(ms):
73
80
td = datetime.timedelta(0, 0, 0, ms)
74
81
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
75
.format(days = "{0}T".format(td.days) if td.days else "",
76
hours = td.seconds // 3600,
77
minutes = (td.seconds % 3600) // 60,
78
seconds = td.seconds % 60,
82
.format(days="{}T".format(td.days) if td.days else "",
83
hours=td.seconds // 3600,
84
minutes=(td.seconds % 3600) // 60,
85
seconds=td.seconds % 60))
88
def rfc3339_duration_to_delta(duration):
89
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
91
>>> rfc3339_duration_to_delta("P7D")
93
>>> rfc3339_duration_to_delta("PT60S")
94
datetime.timedelta(0, 60)
95
>>> rfc3339_duration_to_delta("PT60M")
96
datetime.timedelta(0, 3600)
97
>>> rfc3339_duration_to_delta("P60M")
98
datetime.timedelta(1680)
99
>>> rfc3339_duration_to_delta("PT24H")
100
datetime.timedelta(1)
101
>>> rfc3339_duration_to_delta("P1W")
102
datetime.timedelta(7)
103
>>> rfc3339_duration_to_delta("PT5M30S")
104
datetime.timedelta(0, 330)
105
>>> rfc3339_duration_to_delta("P1DT3M20S")
106
datetime.timedelta(1, 200)
107
>>> # Can not be empty:
108
>>> rfc3339_duration_to_delta("")
109
Traceback (most recent call last):
111
ValueError: Invalid RFC 3339 duration: u''
112
>>> # Must start with "P":
113
>>> rfc3339_duration_to_delta("1D")
114
Traceback (most recent call last):
116
ValueError: Invalid RFC 3339 duration: u'1D'
117
>>> # Must use correct order
118
>>> rfc3339_duration_to_delta("PT1S2M")
119
Traceback (most recent call last):
121
ValueError: Invalid RFC 3339 duration: u'PT1S2M'
122
>>> # Time needs time marker
123
>>> rfc3339_duration_to_delta("P1H2S")
124
Traceback (most recent call last):
126
ValueError: Invalid RFC 3339 duration: u'P1H2S'
127
>>> # Weeks can not be combined with anything else
128
>>> rfc3339_duration_to_delta("P1D2W")
129
Traceback (most recent call last):
131
ValueError: Invalid RFC 3339 duration: u'P1D2W'
132
>>> rfc3339_duration_to_delta("P2W2H")
133
Traceback (most recent call last):
135
ValueError: Invalid RFC 3339 duration: u'P2W2H'
138
# Parsing an RFC 3339 duration with regular expressions is not
139
# possible - there would have to be multiple places for the same
140
# values, like seconds. The current code, while more esoteric, is
141
# cleaner without depending on a parsing library. If Python had a
142
# built-in library for parsing we would use it, but we'd like to
143
# avoid excessive use of external libraries.
145
# New type for defining tokens, syntax, and semantics all-in-one
146
Token = collections.namedtuple("Token", (
147
"regexp", # To match token; if "value" is not None, must have
148
# a "group" containing digits
149
"value", # datetime.timedelta or None
150
"followers")) # Tokens valid after this token
151
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
152
# the "duration" ABNF definition in RFC 3339, Appendix A.
153
token_end = Token(re.compile(r"$"), None, frozenset())
154
token_second = Token(re.compile(r"(\d+)S"),
155
datetime.timedelta(seconds=1),
156
frozenset((token_end, )))
157
token_minute = Token(re.compile(r"(\d+)M"),
158
datetime.timedelta(minutes=1),
159
frozenset((token_second, token_end)))
160
token_hour = Token(re.compile(r"(\d+)H"),
161
datetime.timedelta(hours=1),
162
frozenset((token_minute, token_end)))
163
token_time = Token(re.compile(r"T"),
165
frozenset((token_hour, token_minute,
167
token_day = Token(re.compile(r"(\d+)D"),
168
datetime.timedelta(days=1),
169
frozenset((token_time, token_end)))
170
token_month = Token(re.compile(r"(\d+)M"),
171
datetime.timedelta(weeks=4),
172
frozenset((token_day, token_end)))
173
token_year = Token(re.compile(r"(\d+)Y"),
174
datetime.timedelta(weeks=52),
175
frozenset((token_month, token_end)))
176
token_week = Token(re.compile(r"(\d+)W"),
177
datetime.timedelta(weeks=1),
178
frozenset((token_end, )))
179
token_duration = Token(re.compile(r"P"), None,
180
frozenset((token_year, token_month,
181
token_day, token_time,
183
# Define starting values:
185
value = datetime.timedelta()
187
# Following valid tokens
188
followers = frozenset((token_duration, ))
189
# String left to parse
191
# Loop until end token is found
192
while found_token is not token_end:
193
# Search for any currently valid tokens
194
for token in followers:
195
match = token.regexp.match(s)
196
if match is not None:
198
if token.value is not None:
199
# Value found, parse digits
200
factor = int(match.group(1), 10)
201
# Add to value so far
202
value += factor * token.value
203
# Strip token from string
204
s = token.regexp.sub("", s, 1)
207
# Set valid next tokens
208
followers = found_token.followers
211
# No currently valid tokens were found
212
raise ValueError("Invalid RFC 3339 duration: {!r}"
81
218
def string_to_delta(interval):
82
219
"""Parse a string and return a datetime.timedelta
84
>>> string_to_delta("7d")
223
return rfc3339_duration_to_delta(interval)
224
except ValueError as e:
225
log.warning("%s - Parsing as pre-1.6.1 interval instead",
227
return parse_pre_1_6_1_interval(interval)
230
def parse_pre_1_6_1_interval(interval):
231
"""Parse an interval string as documented by Mandos before 1.6.1, and
232
return a datetime.timedelta
233
>>> parse_pre_1_6_1_interval('7d')
85
234
datetime.timedelta(7)
86
>>> string_to_delta("60s")
235
>>> parse_pre_1_6_1_interval('60s')
87
236
datetime.timedelta(0, 60)
88
>>> string_to_delta("60m")
237
>>> parse_pre_1_6_1_interval('60m')
89
238
datetime.timedelta(0, 3600)
90
>>> string_to_delta("24h")
239
>>> parse_pre_1_6_1_interval('24h')
91
240
datetime.timedelta(1)
92
>>> string_to_delta("1w")
241
>>> parse_pre_1_6_1_interval('1w')
93
242
datetime.timedelta(7)
94
>>> string_to_delta("5m 30s")
243
>>> parse_pre_1_6_1_interval('5m 30s')
95
244
datetime.timedelta(0, 330)
245
>>> parse_pre_1_6_1_interval('')
246
datetime.timedelta(0)
247
>>> # Ignore unknown characters, allow any order and repetitions
248
>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
249
datetime.timedelta(2, 480, 18000)
97
253
value = datetime.timedelta(0)
98
regexp = re.compile("(\d+)([dsmhw]?)")
254
regexp = re.compile(r"(\d+)([dsmhw]?)")
100
256
for num, suffix in regexp.findall(interval):
101
257
if suffix == "d":
102
258
value += datetime.timedelta(int(num))
112
268
value += datetime.timedelta(0, 0, 0, int(num))
115
def print_clients(clients, keywords):
272
class TableOfClients(object):
275
"Enabled": "Enabled",
276
"Timeout": "Timeout",
277
"LastCheckedOK": "Last Successful Check",
278
"LastApprovalRequest": "Last Approval Request",
279
"Created": "Created",
280
"Interval": "Interval",
282
"Fingerprint": "Fingerprint",
284
"CheckerRunning": "Check Is Running",
285
"LastEnabled": "Last Enabled",
286
"ApprovalPending": "Approval Is Pending",
287
"ApprovedByDefault": "Approved By Default",
288
"ApprovalDelay": "Approval Delay",
289
"ApprovalDuration": "Approval Duration",
290
"Checker": "Checker",
291
"ExtendedTimeout": "Extended Timeout",
292
"Expires": "Expires",
293
"LastCheckerStatus": "Last Checker Status",
296
def __init__(self, clients, keywords, tablewords=None):
297
self.clients = clients
298
self.keywords = keywords
299
if tablewords is not None:
300
self.tablewords = tablewords
303
return "\n".join(self.rows())
305
if sys.version_info.major == 2:
306
__unicode__ = __str__
308
return str(self).encode(locale.getpreferredencoding())
311
format_string = self.row_formatting_string()
312
rows = [self.header_line(format_string)]
313
rows.extend(self.client_line(client, format_string)
314
for client in self.clients)
317
def row_formatting_string(self):
318
"Format string used to format table rows"
319
return " ".join("{{{key}:{width}}}".format(
320
width=max(len(self.tablewords[key]),
321
max(len(self.string_from_client(client, key))
322
for client in self.clients)),
324
for key in self.keywords)
326
def string_from_client(self, client, key):
327
return self.valuetostring(client[key], key)
116
330
def valuetostring(value, keyword):
117
if type(value) is dbus.Boolean:
331
if isinstance(value, dbus.Boolean):
118
332
return "Yes" if value else "No"
119
333
if keyword in ("Timeout", "Interval", "ApprovalDelay",
120
334
"ApprovalDuration", "ExtendedTimeout"):
121
335
return milliseconds_to_string(value)
122
return unicode(value)
124
# Create format string to print table rows
125
format_string = " ".join("{{{key}:{width}}}".format(
126
width = max(len(tablewords[key]),
127
max(len(valuetostring(client[key],
131
key = key) for key in keywords)
133
print(format_string.format(**tablewords))
134
for client in clients:
135
print(format_string.format(**dict((key,
136
valuetostring(client[key],
138
for key in keywords)))
338
def header_line(self, format_string):
339
return format_string.format(**self.tablewords)
341
def client_line(self, client, format_string):
342
return format_string.format(
343
**{key: self.string_from_client(client, key)
344
for key in self.keywords})
140
347
def has_actions(options):
141
348
return any((options.enable,
199
409
parser.add_argument("--approval-duration",
200
410
help="Set duration of one client approval")
201
411
parser.add_argument("-H", "--host", help="Set host for client")
202
parser.add_argument("-s", "--secret", type=file,
412
parser.add_argument("-s", "--secret",
413
type=argparse.FileType(mode="rb"),
203
414
help="Set password blob (file) for client")
204
415
parser.add_argument("-A", "--approve", action="store_true",
205
416
help="Approve any current client request")
206
417
parser.add_argument("-D", "--deny", action="store_true",
207
418
help="Deny any current client request")
419
parser.add_argument("--check", action="store_true",
420
help="Run self-test")
208
421
parser.add_argument("client", nargs="*", help="Client name")
209
422
options = parser.parse_args()
211
424
if has_actions(options) and not (options.client or options.all):
212
425
parser.error("Options require clients names or --all.")
213
426
if options.verbose and has_actions(options):
214
parser.error("--verbose can only be used alone or with"
427
parser.error("--verbose can only be used alone.")
428
if options.dump_json and (options.verbose
429
or has_actions(options)):
430
parser.error("--dump-json can only be used alone.")
216
431
if options.all and not has_actions(options):
217
432
parser.error("--all requires an action.")
220
435
bus = dbus.SystemBus()
221
436
mandos_dbus_objc = bus.get_object(busname, server_path)
222
437
except dbus.exceptions.DBusException:
223
print("Could not connect to Mandos server",
438
log.critical("Could not connect to Mandos server")
227
441
mandos_serv = dbus.Interface(mandos_dbus_objc,
228
dbus_interface = server_interface)
230
#block stderr since dbus library prints to stderr
442
dbus_interface=server_interface)
443
mandos_serv_object_manager = dbus.Interface(
444
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
446
# block stderr since dbus library prints to stderr
231
447
null = os.open(os.path.devnull, os.O_RDWR)
232
448
stderrcopy = os.dup(sys.stderr.fileno())
233
449
os.dup2(null, sys.stderr.fileno())
237
mandos_clients = mandos_serv.GetAllClientsWithProperties()
453
mandos_clients = {path: ifs_and_props[client_interface]
454
for path, ifs_and_props in
455
mandos_serv_object_manager
456
.GetManagedObjects().items()
457
if client_interface in ifs_and_props}
240
460
os.dup2(stderrcopy, sys.stderr.fileno())
241
461
os.close(stderrcopy)
242
except dbus.exceptions.DBusException:
243
print("Access denied: Accessing mandos server through dbus.",
462
except dbus.exceptions.DBusException as e:
463
log.critical("Failed to access Mandos server through D-Bus:"
247
467
# Compile dict of (clients: properties) to process
250
470
if options.all or not options.client:
251
clients = dict((bus.get_object(busname, path), properties)
252
for path, properties in
253
mandos_clients.iteritems())
471
clients = {bus.get_object(busname, path): properties
472
for path, properties in mandos_clients.items()}
255
474
for name in options.client:
256
for path, client in mandos_clients.iteritems():
475
for path, client in mandos_clients.items():
257
476
if client["Name"] == name:
258
477
client_objc = bus.get_object(busname, path)
259
478
clients[client_objc] = client
262
print("Client not found on server: {0!r}"
263
.format(name), file=sys.stderr)
481
log.critical("Client not found on server: %r", name)
266
484
if not has_actions(options) and clients:
268
keywords = ("Name", "Enabled", "Timeout",
269
"LastCheckedOK", "Created", "Interval",
270
"Host", "Fingerprint", "CheckerRunning",
485
if options.verbose or options.dump_json:
486
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
487
"Created", "Interval", "Host", "KeyID",
488
"Fingerprint", "CheckerRunning",
271
489
"LastEnabled", "ApprovalPending",
273
"LastApprovalRequest", "ApprovalDelay",
274
"ApprovalDuration", "Checker",
490
"ApprovedByDefault", "LastApprovalRequest",
491
"ApprovalDelay", "ApprovalDuration",
492
"Checker", "ExtendedTimeout", "Expires",
277
495
keywords = defaultkeywords
279
print_clients(clients.values(), keywords)
497
if options.dump_json:
498
json.dump({client["Name"]: {key:
500
if isinstance(client[key],
504
for client in clients.values()},
505
fp=sys.stdout, indent=4,
506
separators=(',', ': '))
509
print(TableOfClients(clients.values(), keywords))
281
511
# Process each client in the list by all selected options
282
512
for client in clients:
283
514
def set_client_prop(prop, value):
284
515
"""Set a Client D-Bus property"""
285
516
client.Set(client_interface, prop, value,
286
517
dbus_interface=dbus.PROPERTIES_IFACE)
287
519
def set_client_prop_ms(prop, value):
288
520
"""Set a Client D-Bus property, converted
289
521
from a string to milliseconds."""
290
522
set_client_prop(prop,
291
timedelta_to_milliseconds
292
(string_to_delta(value)))
523
string_to_delta(value).total_seconds()
293
526
if options.remove:
294
527
mandos_serv.RemoveClient(client.__dbus_object_path__)
295
528
if options.enable:
339
572
client.Approve(dbus.Boolean(False),
340
573
dbus_interface=client_interface)
576
class Test_milliseconds_to_string(unittest.TestCase):
578
self.assertEqual(milliseconds_to_string(93785000),
580
def test_no_days(self):
581
self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
582
def test_all_zero(self):
583
self.assertEqual(milliseconds_to_string(0), "00:00:00")
584
def test_no_fractional_seconds(self):
585
self.assertEqual(milliseconds_to_string(400), "00:00:00")
586
self.assertEqual(milliseconds_to_string(900), "00:00:00")
587
self.assertEqual(milliseconds_to_string(1900), "00:00:01")
589
class Test_string_to_delta(unittest.TestCase):
590
def test_handles_basic_rfc3339(self):
591
self.assertEqual(string_to_delta("PT2H"),
592
datetime.timedelta(0, 7200))
593
def test_falls_back_to_pre_1_6_1_with_warning(self):
594
# assertLogs only exists in Python 3.4
595
if hasattr(self, "assertLogs"):
596
with self.assertLogs(log, logging.WARNING):
597
value = string_to_delta("2h")
599
value = string_to_delta("2h")
600
self.assertEqual(value, datetime.timedelta(0, 7200))
602
class Test_TableOfClients(unittest.TestCase):
608
"Bool": "A D-BUS Boolean",
609
"NonDbusBoolean": "A Non-D-BUS Boolean",
610
"Integer": "An Integer",
611
"Timeout": "Timedelta 1",
612
"Interval": "Timedelta 2",
613
"ApprovalDelay": "Timedelta 3",
614
"ApprovalDuration": "Timedelta 4",
615
"ExtendedTimeout": "Timedelta 5",
616
"String": "A String",
618
self.keywords = ["Attr1", "AttrTwo"]
624
"Bool": dbus.Boolean(False),
625
"NonDbusBoolean": False,
629
"ApprovalDelay": 2000,
630
"ApprovalDuration": 3000,
631
"ExtendedTimeout": 4000,
638
"Bool": dbus.Boolean(True),
639
"NonDbusBoolean": True,
642
"Interval": 93786000,
643
"ApprovalDelay": 93787000,
644
"ApprovalDuration": 93788000,
645
"ExtendedTimeout": 93789000,
646
"String": "A huge string which will not fit," * 10,
649
def test_short_header(self):
650
text = str(TableOfClients(self.clients, self.keywords,
657
self.assertEqual(text, expected_text)
658
def test_booleans(self):
659
keywords = ["Bool", "NonDbusBoolean"]
660
text = str(TableOfClients(self.clients, keywords,
663
A D-BUS Boolean A Non-D-BUS Boolean
667
self.assertEqual(text, expected_text)
668
def test_milliseconds_detection(self):
669
keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
670
"ApprovalDuration", "ExtendedTimeout"]
671
text = str(TableOfClients(self.clients, keywords,
674
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
675
0 00:00:00 00:00:01 00:00:02 00:00:03 00:00:04
676
1 1T02:03:05 1T02:03:06 1T02:03:07 1T02:03:08 1T02:03:09
678
self.assertEqual(text, expected_text)
679
def test_empty_and_long_string_values(self):
680
keywords = ["String"]
681
text = str(TableOfClients(self.clients, keywords,
686
A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,
688
self.assertEqual(text, expected_text)
692
def should_only_run_tests():
693
parser = argparse.ArgumentParser(add_help=False)
694
parser.add_argument("--check", action='store_true')
695
args, unknown_args = parser.parse_known_args()
696
run_tests = args.check
698
# Remove --check argument from sys.argv
699
sys.argv[1:] = unknown_args
702
# Add all tests from doctest strings
703
def load_tests(loader, tests, none):
705
tests.addTests(doctest.DocTestSuite())
342
708
if __name__ == "__main__":
709
if should_only_run_tests():
710
# Call using ./tdd-python-script --check [--verbose]