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 <http://www.gnu.org/licenses/>.
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
22
24
# Contact the authors at <mandos@recompile.se>.
25
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:
36
62
locale.setlocale(locale.LC_ALL, "")
52
79
"ApprovalDelay": "Approval Delay",
53
80
"ApprovalDuration": "Approval Duration",
54
81
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
57
86
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
87
domain = "se.recompile"
59
88
busname = domain + ".Mandos"
61
90
server_interface = domain + ".Mandos"
62
91
client_interface = domain + ".Mandos.Client"
65
def timedelta_to_milliseconds(td):
66
"""Convert a datetime.timedelta object to milliseconds"""
67
return ((td.days * 24 * 60 * 60 * 1000)
69
+ (td.microseconds // 1000))
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
101
def milliseconds_to_string(ms):
72
102
td = datetime.timedelta(0, 0, 0, ms)
73
return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
74
% { "days": "%dT" % td.days if td.days else "",
75
"hours": td.seconds // 3600,
76
"minutes": (td.seconds % 3600) // 60,
77
"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))
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("PT24H")
120
datetime.timedelta(1)
121
>>> rfc3339_duration_to_delta("P1W")
122
datetime.timedelta(7)
123
>>> rfc3339_duration_to_delta("PT5M30S")
124
datetime.timedelta(0, 330)
125
>>> rfc3339_duration_to_delta("P1DT3M20S")
126
datetime.timedelta(1, 200)
129
# Parsing an RFC 3339 duration with regular expressions is not
130
# possible - there would have to be multiple places for the same
131
# values, like seconds. The current code, while more esoteric, is
132
# cleaner without depending on a parsing library. If Python had a
133
# built-in library for parsing we would use it, but we'd like to
134
# avoid excessive use of external libraries.
136
# 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
142
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
143
# the "duration" ABNF definition in RFC 3339, Appendix A.
144
token_end = Token(re.compile(r"$"), None, frozenset())
145
token_second = Token(re.compile(r"(\d+)S"),
146
datetime.timedelta(seconds=1),
147
frozenset((token_end, )))
148
token_minute = Token(re.compile(r"(\d+)M"),
149
datetime.timedelta(minutes=1),
150
frozenset((token_second, token_end)))
151
token_hour = Token(re.compile(r"(\d+)H"),
152
datetime.timedelta(hours=1),
153
frozenset((token_minute, token_end)))
154
token_time = Token(re.compile(r"T"),
156
frozenset((token_hour, token_minute,
158
token_day = Token(re.compile(r"(\d+)D"),
159
datetime.timedelta(days=1),
160
frozenset((token_time, token_end)))
161
token_month = Token(re.compile(r"(\d+)M"),
162
datetime.timedelta(weeks=4),
163
frozenset((token_day, token_end)))
164
token_year = Token(re.compile(r"(\d+)Y"),
165
datetime.timedelta(weeks=52),
166
frozenset((token_month, token_end)))
167
token_week = Token(re.compile(r"(\d+)W"),
168
datetime.timedelta(weeks=1),
169
frozenset((token_end, )))
170
token_duration = Token(re.compile(r"P"), None,
171
frozenset((token_year, token_month,
172
token_day, token_time,
174
# Define starting values:
176
value = datetime.timedelta()
178
# Following valid tokens
179
followers = frozenset((token_duration, ))
180
# String left to parse
182
# Loop until end token is found
183
while found_token is not token_end:
184
# Search for any currently valid tokens
185
for token in followers:
186
match = token.regexp.match(s)
187
if match is not None:
189
if token.value is not None:
190
# Value found, parse digits
191
factor = int(match.group(1), 10)
192
# Add to value so far
193
value += factor * token.value
194
# Strip token from string
195
s = token.regexp.sub("", s, 1)
198
# Set valid next tokens
199
followers = found_token.followers
202
# No currently valid tokens were found
203
raise ValueError("Invalid RFC 3339 duration: {!r}"
80
209
def string_to_delta(interval):
81
210
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
212
>>> string_to_delta('7d')
84
213
datetime.timedelta(7)
85
>>> string_to_delta("60s")
214
>>> string_to_delta('60s')
86
215
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
216
>>> string_to_delta('60m')
88
217
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
218
>>> string_to_delta('24h')
90
219
datetime.timedelta(1)
91
>>> string_to_delta("1w")
220
>>> string_to_delta('1w')
92
221
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
222
>>> string_to_delta('5m 30s')
94
223
datetime.timedelta(0, 330)
227
return rfc3339_duration_to_delta(interval)
96
231
value = datetime.timedelta(0)
97
regexp = re.compile("(\d+)([dsmhw]?)")
232
regexp = re.compile(r"(\d+)([dsmhw]?)")
99
234
for num, suffix in regexp.findall(interval):
100
235
if suffix == "d":
101
236
value += datetime.timedelta(int(num))
196
336
parser.add_argument("--approval-duration",
197
337
help="Set duration of one client approval")
198
338
parser.add_argument("-H", "--host", help="Set host for client")
199
parser.add_argument("-s", "--secret", type=file,
339
parser.add_argument("-s", "--secret",
340
type=argparse.FileType(mode="rb"),
200
341
help="Set password blob (file) for client")
201
342
parser.add_argument("-A", "--approve", action="store_true",
202
343
help="Approve any current client request")
203
344
parser.add_argument("-D", "--deny", action="store_true",
204
345
help="Deny any current client request")
346
parser.add_argument("--check", action="store_true",
347
help="Run self-test")
205
348
parser.add_argument("client", nargs="*", help="Client name")
206
349
options = parser.parse_args()
208
if has_actions(options) and not options.client and not options.all:
351
if has_actions(options) and not (options.client or options.all):
209
352
parser.error("Options require clients names or --all.")
210
353
if options.verbose and has_actions(options):
211
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.")
213
358
if options.all and not has_actions(options):
214
359
parser.error("--all requires an action.")
217
362
bus = dbus.SystemBus()
218
363
mandos_dbus_objc = bus.get_object(busname, server_path)
219
364
except dbus.exceptions.DBusException:
220
print("Could not connect to Mandos server",
365
log.critical("Could not connect to Mandos server")
224
368
mandos_serv = dbus.Interface(mandos_dbus_objc,
225
dbus_interface = server_interface)
227
#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
228
374
null = os.open(os.path.devnull, os.O_RDWR)
229
375
stderrcopy = os.dup(sys.stderr.fileno())
230
376
os.dup2(null, sys.stderr.fileno())
234
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}
237
387
os.dup2(stderrcopy, sys.stderr.fileno())
238
388
os.close(stderrcopy)
239
except dbus.exceptions.DBusException:
240
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:"
244
394
# Compile dict of (clients: properties) to process
247
397
if options.all or not options.client:
248
clients = dict((bus.get_object(busname, path), properties)
249
for path, properties in
250
mandos_clients.iteritems())
398
clients = {bus.get_object(busname, path): properties
399
for path, properties in mandos_clients.items()}
252
401
for name in options.client:
253
for path, client in mandos_clients.iteritems():
402
for path, client in mandos_clients.items():
254
403
if client["Name"] == name:
255
404
client_objc = bus.get_object(busname, path)
256
405
clients[client_objc] = client
259
print("Client not found on server: %r" % name,
408
log.critical("Client not found on server: %r", name)
263
411
if not has_actions(options) and clients:
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
412
if options.verbose or options.dump_json:
413
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
414
"Created", "Interval", "Host", "KeyID",
415
"Fingerprint", "CheckerRunning",
268
416
"LastEnabled", "ApprovalPending",
270
"LastApprovalRequest", "ApprovalDelay",
271
"ApprovalDuration", "Checker",
417
"ApprovedByDefault", "LastApprovalRequest",
418
"ApprovalDelay", "ApprovalDuration",
419
"Checker", "ExtendedTimeout", "Expires",
274
422
keywords = defaultkeywords
276
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)
278
438
# Process each client in the list by all selected options
279
439
for client in clients:
441
def set_client_prop(prop, value):
442
"""Set a Client D-Bus property"""
443
client.Set(client_interface, prop, value,
444
dbus_interface=dbus.PROPERTIES_IFACE)
446
def set_client_prop_ms(prop, value):
447
"""Set a Client D-Bus property, converted
448
from a string to milliseconds."""
449
set_client_prop(prop,
450
string_to_delta(value).total_seconds()
280
453
if options.remove:
281
454
mandos_serv.RemoveClient(client.__dbus_object_path__)
282
455
if options.enable:
283
client.Enable(dbus_interface=client_interface)
456
set_client_prop("Enabled", dbus.Boolean(True))
284
457
if options.disable:
285
client.Disable(dbus_interface=client_interface)
458
set_client_prop("Enabled", dbus.Boolean(False))
286
459
if options.bump_timeout:
287
client.CheckedOK(dbus_interface=client_interface)
460
set_client_prop("LastCheckedOK", "")
288
461
if options.start_checker:
289
client.StartChecker(dbus_interface=client_interface)
462
set_client_prop("CheckerRunning", dbus.Boolean(True))
290
463
if options.stop_checker:
291
client.StopChecker(dbus_interface=client_interface)
464
set_client_prop("CheckerRunning", dbus.Boolean(False))
292
465
if options.is_enabled:
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
466
if client.Get(client_interface, "Enabled",
467
dbus_interface=dbus.PROPERTIES_IFACE):
298
471
if options.checker is not None:
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
472
set_client_prop("Checker", options.checker)
302
473
if options.host is not None:
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
474
set_client_prop("Host", options.host)
305
475
if options.interval is not None:
306
client.Set(client_interface, "Interval",
307
timedelta_to_milliseconds
308
(string_to_delta(options.interval)),
309
dbus_interface=dbus.PROPERTIES_IFACE)
476
set_client_prop_ms("Interval", options.interval)
310
477
if options.approval_delay is not None:
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
478
set_client_prop_ms("ApprovalDelay",
479
options.approval_delay)
316
480
if options.approval_duration is not None:
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
481
set_client_prop_ms("ApprovalDuration",
482
options.approval_duration)
322
483
if options.timeout is not None:
323
client.Set(client_interface, "Timeout",
324
timedelta_to_milliseconds
325
(string_to_delta(options.timeout)),
326
dbus_interface=dbus.PROPERTIES_IFACE)
484
set_client_prop_ms("Timeout", options.timeout)
327
485
if options.extended_timeout is not None:
328
client.Set(client_interface, "ExtendedTimeout",
329
timedelta_to_milliseconds
330
(string_to_delta(options.extended_timeout)),
331
dbus_interface=dbus.PROPERTIES_IFACE)
486
set_client_prop_ms("ExtendedTimeout",
487
options.extended_timeout)
332
488
if options.secret is not None:
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(options.secret.read()),
335
dbus_interface=dbus.PROPERTIES_IFACE)
489
set_client_prop("Secret",
490
dbus.ByteArray(options.secret.read()))
336
491
if options.approved_by_default is not None:
337
client.Set(client_interface, "ApprovedByDefault",
339
.approved_by_default),
340
dbus_interface=dbus.PROPERTIES_IFACE)
492
set_client_prop("ApprovedByDefault",
494
.approved_by_default))
341
495
if options.approve:
342
496
client.Approve(dbus.Boolean(True),
343
497
dbus_interface=client_interface)