2
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2008-2017 Teddy Hogeborn
7
# Copyright © 2008-2017 Björn Påhlsson
6
# Copyright © 2008-2016 Teddy Hogeborn
7
# Copyright © 2008-2016 Björn Påhlsson
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
11
11
# the Free Software Foundation, either version 3 of the License, or
15
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
16
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
17
# GNU General Public License for more details.
19
19
# You should have received a copy of the GNU General Public License
20
20
# along with this program. If not, see
21
21
# <http://www.gnu.org/licenses/>.
23
23
# Contact the authors at <mandos@recompile.se>.
26
26
from __future__ import (division, absolute_import, print_function,
83
83
except AttributeError:
84
84
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
87
86
def milliseconds_to_string(ms):
88
87
td = datetime.timedelta(0, 0, 0, ms)
89
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
90
.format(days="{}T".format(td.days) if td.days else "",
91
hours=td.seconds // 3600,
92
minutes=(td.seconds % 3600) // 60,
93
seconds=td.seconds % 60))
88
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
89
days = "{}T".format(td.days) if td.days else "",
90
hours = td.seconds // 3600,
91
minutes = (td.seconds % 3600) // 60,
92
seconds = td.seconds % 60))
96
95
def rfc3339_duration_to_delta(duration):
97
96
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
99
98
>>> rfc3339_duration_to_delta("P7D")
100
99
datetime.timedelta(7)
101
100
>>> rfc3339_duration_to_delta("PT60S")
111
110
>>> rfc3339_duration_to_delta("P1DT3M20S")
112
111
datetime.timedelta(1, 200)
115
114
# Parsing an RFC 3339 duration with regular expressions is not
116
115
# possible - there would have to be multiple places for the same
117
116
# values, like seconds. The current code, while more esoteric, is
118
117
# cleaner without depending on a parsing library. If Python had a
119
118
# built-in library for parsing we would use it, but we'd like to
120
119
# avoid excessive use of external libraries.
122
121
# New type for defining tokens, syntax, and semantics all-in-one
123
122
Token = collections.namedtuple("Token", (
124
123
"regexp", # To match token; if "value" is not None, must have
157
156
frozenset((token_year, token_month,
158
157
token_day, token_time,
160
# Define starting values:
162
value = datetime.timedelta()
159
# Define starting values
160
value = datetime.timedelta() # Value so far
163
161
found_token = None
164
# Following valid tokens
165
followers = frozenset((token_duration, ))
166
# String left to parse
162
followers = frozenset((token_duration, )) # Following valid tokens
163
s = duration # String left to parse
168
164
# Loop until end token is found
169
165
while found_token is not token_end:
170
166
# Search for any currently valid tokens
241
237
"ApprovalDuration", "ExtendedTimeout"):
242
238
return milliseconds_to_string(value)
243
239
return str(value)
245
241
# Create format string to print table rows
246
242
format_string = " ".join("{{{key}:{width}}}".format(
247
width=max(len(tablewords[key]),
248
max(len(valuetostring(client[key], key))
249
for client in clients)),
243
width = max(len(tablewords[key]),
244
max(len(valuetostring(client[key], key))
245
for client in clients)),
251
247
for key in keywords)
252
248
# Print header line
253
249
print(format_string.format(**tablewords))
254
250
for client in clients:
256
.format(**{key: valuetostring(client[key], key)
257
for key in keywords}))
251
print(format_string.format(**{
252
key: valuetostring(client[key], key)
253
for key in keywords }))
260
256
def has_actions(options):
282
278
parser = argparse.ArgumentParser()
283
279
parser.add_argument("--version", action="version",
284
version="%(prog)s {}".format(version),
280
version = "%(prog)s {}".format(version),
285
281
help="show version number and exit")
286
282
parser.add_argument("-a", "--all", action="store_true",
287
283
help="Select all clients")
333
329
help="Run self-test")
334
330
parser.add_argument("client", nargs="*", help="Client name")
335
331
options = parser.parse_args()
337
333
if has_actions(options) and not (options.client or options.all):
338
334
parser.error("Options require clients names or --all.")
339
335
if options.verbose and has_actions(options):
340
336
parser.error("--verbose can only be used alone.")
341
if options.dump_json and (options.verbose
342
or has_actions(options)):
337
if options.dump_json and (options.verbose or has_actions(options)):
343
338
parser.error("--dump-json can only be used alone.")
344
339
if options.all and not has_actions(options):
345
340
parser.error("--all requires an action.")
347
342
if options.check:
348
343
fail_count, test_count = doctest.testmod()
349
344
sys.exit(os.EX_OK if fail_count == 0 else 1)
352
347
bus = dbus.SystemBus()
353
348
mandos_dbus_objc = bus.get_object(busname, server_path)
354
349
except dbus.exceptions.DBusException:
355
350
print("Could not connect to Mandos server", file=sys.stderr)
358
353
mandos_serv = dbus.Interface(mandos_dbus_objc,
359
dbus_interface=server_interface)
354
dbus_interface = server_interface)
360
355
mandos_serv_object_manager = dbus.Interface(
361
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
363
# block stderr since dbus library prints to stderr
356
mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
358
#block stderr since dbus library prints to stderr
364
359
null = os.open(os.path.devnull, os.O_RDWR)
365
360
stderrcopy = os.dup(sys.stderr.fileno())
366
361
os.dup2(null, sys.stderr.fileno())
370
mandos_clients = {path: ifs_and_props[client_interface]
371
for path, ifs_and_props in
372
mandos_serv_object_manager
373
.GetManagedObjects().items()
374
if client_interface in ifs_and_props}
365
mandos_clients = { path: ifs_and_props[client_interface]
366
for path, ifs_and_props in
367
mandos_serv_object_manager
368
.GetManagedObjects().items()
369
if client_interface in ifs_and_props }
377
372
os.dup2(stderrcopy, sys.stderr.fileno())
378
373
os.close(stderrcopy)
379
374
except dbus.exceptions.DBusException as e:
380
print("Access denied: "
381
"Accessing mandos server through D-Bus: {}".format(e),
375
print("Access denied: Accessing mandos server through D-Bus: {}"
376
.format(e), file=sys.stderr)
385
379
# Compile dict of (clients: properties) to process
388
382
if options.all or not options.client:
389
clients = {bus.get_object(busname, path): properties
390
for path, properties in mandos_clients.items()}
383
clients = { bus.get_object(busname, path): properties
384
for path, properties in mandos_clients.items() }
392
386
for name in options.client:
393
387
for path, client in mandos_clients.items():
412
406
"LastCheckerStatus")
414
408
keywords = defaultkeywords
416
410
if options.dump_json:
417
411
json.dump({client["Name"]: {key:
418
412
bool(client[key])
419
413
if isinstance(client[key],
423
for client in clients.values()},
424
fp=sys.stdout, indent=4,
425
separators=(',', ': '))
416
for key in keywords }
417
for client in clients.values() },
418
fp = sys.stdout, indent = 4,
419
separators = (',', ': '))
428
422
print_clients(clients.values(), keywords)
430
424
# Process each client in the list by all selected options
431
425
for client in clients:
433
427
def set_client_prop(prop, value):
434
428
"""Set a Client D-Bus property"""
435
429
client.Set(client_interface, prop, value,
436
430
dbus_interface=dbus.PROPERTIES_IFACE)
438
432
def set_client_prop_ms(prop, value):
439
433
"""Set a Client D-Bus property, converted
440
434
from a string to milliseconds."""
441
435
set_client_prop(prop,
442
436
string_to_delta(value).total_seconds()
445
439
if options.remove:
446
440
mandos_serv.RemoveClient(client.__dbus_object_path__)
447
441
if options.enable:
455
449
if options.stop_checker:
456
450
set_client_prop("CheckerRunning", dbus.Boolean(False))
457
451
if options.is_enabled:
458
if client.Get(client_interface, "Enabled",
459
dbus_interface=dbus.PROPERTIES_IFACE):
452
sys.exit(0 if client.Get(client_interface,
455
dbus.PROPERTIES_IFACE)
463
457
if options.checker is not None:
464
458
set_client_prop("Checker", options.checker)
465
459
if options.host is not None: