2
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2008-2016 Teddy Hogeborn
7
# Copyright © 2008-2016 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 © 2008-2018 Teddy Hogeborn
7
# Copyright © 2008-2018 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,
65
65
"ApprovalDelay": "Approval Delay",
66
66
"ApprovalDuration": "Approval Duration",
67
67
"Checker": "Checker",
68
"ExtendedTimeout": "Extended Timeout"
68
"ExtendedTimeout": "Extended Timeout",
70
"LastCheckerStatus": "Last Checker Status",
70
72
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
71
73
domain = "se.recompile"
81
83
except AttributeError:
82
84
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
84
87
def milliseconds_to_string(ms):
85
88
td = datetime.timedelta(0, 0, 0, ms)
86
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
87
days = "{}T".format(td.days) if td.days else "",
88
hours = td.seconds // 3600,
89
minutes = (td.seconds % 3600) // 60,
90
seconds = td.seconds % 60))
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))
93
96
def rfc3339_duration_to_delta(duration):
94
97
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
96
99
>>> rfc3339_duration_to_delta("P7D")
97
100
datetime.timedelta(7)
98
101
>>> rfc3339_duration_to_delta("PT60S")
108
111
>>> rfc3339_duration_to_delta("P1DT3M20S")
109
112
datetime.timedelta(1, 200)
112
115
# Parsing an RFC 3339 duration with regular expressions is not
113
116
# possible - there would have to be multiple places for the same
114
117
# values, like seconds. The current code, while more esoteric, is
115
118
# cleaner without depending on a parsing library. If Python had a
116
119
# built-in library for parsing we would use it, but we'd like to
117
120
# avoid excessive use of external libraries.
119
122
# New type for defining tokens, syntax, and semantics all-in-one
120
123
Token = collections.namedtuple("Token", (
121
124
"regexp", # To match token; if "value" is not None, must have
154
157
frozenset((token_year, token_month,
155
158
token_day, token_time,
157
# Define starting values
158
value = datetime.timedelta() # Value so far
160
# Define starting values:
162
value = datetime.timedelta()
159
163
found_token = None
160
followers = frozenset((token_duration, )) # Following valid tokens
161
s = duration # String left to parse
164
# Following valid tokens
165
followers = frozenset((token_duration, ))
166
# String left to parse
162
168
# Loop until end token is found
163
169
while found_token is not token_end:
164
170
# Search for any currently valid tokens
235
241
"ApprovalDuration", "ExtendedTimeout"):
236
242
return milliseconds_to_string(value)
237
243
return str(value)
239
245
# Create format string to print table rows
240
246
format_string = " ".join("{{{key}:{width}}}".format(
241
width = max(len(tablewords[key]),
242
max(len(valuetostring(client[key], key))
243
for client in clients)),
247
width=max(len(tablewords[key]),
248
max(len(valuetostring(client[key], key))
249
for client in clients)),
245
251
for key in keywords)
246
252
# Print header line
247
253
print(format_string.format(**tablewords))
248
254
for client in clients:
249
print(format_string.format(**{
250
key: valuetostring(client[key], key)
251
for key in keywords }))
256
.format(**{key: valuetostring(client[key], key)
257
for key in keywords}))
254
260
def has_actions(options):
276
282
parser = argparse.ArgumentParser()
277
283
parser.add_argument("--version", action="version",
278
version = "%(prog)s {}".format(version),
284
version="%(prog)s {}".format(version),
279
285
help="show version number and exit")
280
286
parser.add_argument("-a", "--all", action="store_true",
281
287
help="Select all clients")
327
333
help="Run self-test")
328
334
parser.add_argument("client", nargs="*", help="Client name")
329
335
options = parser.parse_args()
331
337
if has_actions(options) and not (options.client or options.all):
332
338
parser.error("Options require clients names or --all.")
333
339
if options.verbose and has_actions(options):
334
340
parser.error("--verbose can only be used alone.")
335
if options.dump_json and (options.verbose or has_actions(options)):
341
if options.dump_json and (options.verbose
342
or has_actions(options)):
336
343
parser.error("--dump-json can only be used alone.")
337
344
if options.all and not has_actions(options):
338
345
parser.error("--all requires an action.")
340
347
if options.check:
341
349
fail_count, test_count = doctest.testmod()
342
350
sys.exit(os.EX_OK if fail_count == 0 else 1)
345
353
bus = dbus.SystemBus()
346
354
mandos_dbus_objc = bus.get_object(busname, server_path)
347
355
except dbus.exceptions.DBusException:
348
356
print("Could not connect to Mandos server", file=sys.stderr)
351
359
mandos_serv = dbus.Interface(mandos_dbus_objc,
352
dbus_interface = server_interface)
360
dbus_interface=server_interface)
353
361
mandos_serv_object_manager = dbus.Interface(
354
mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
356
#block stderr since dbus library prints to stderr
362
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
364
# block stderr since dbus library prints to stderr
357
365
null = os.open(os.path.devnull, os.O_RDWR)
358
366
stderrcopy = os.dup(sys.stderr.fileno())
359
367
os.dup2(null, sys.stderr.fileno())
363
mandos_clients = { path: ifs_and_props[client_interface]
364
for path, ifs_and_props in
365
mandos_serv_object_manager
366
.GetManagedObjects().items()
367
if client_interface in ifs_and_props }
371
mandos_clients = {path: ifs_and_props[client_interface]
372
for path, ifs_and_props in
373
mandos_serv_object_manager
374
.GetManagedObjects().items()
375
if client_interface in ifs_and_props}
370
378
os.dup2(stderrcopy, sys.stderr.fileno())
371
379
os.close(stderrcopy)
372
380
except dbus.exceptions.DBusException as e:
373
print("Access denied: Accessing mandos server through D-Bus: {}"
374
.format(e), file=sys.stderr)
381
print("Access denied: "
382
"Accessing mandos server through D-Bus: {}".format(e),
377
386
# Compile dict of (clients: properties) to process
380
389
if options.all or not options.client:
381
clients = { bus.get_object(busname, path): properties
382
for path, properties in mandos_clients.items() }
390
clients = {bus.get_object(busname, path): properties
391
for path, properties in mandos_clients.items()}
384
393
for name in options.client:
385
394
for path, client in mandos_clients.items():
400
409
"ApprovalPending", "ApprovedByDefault",
401
410
"LastApprovalRequest", "ApprovalDelay",
402
411
"ApprovalDuration", "Checker",
412
"ExtendedTimeout", "Expires",
405
415
keywords = defaultkeywords
407
417
if options.dump_json:
408
json.dump({client["Name"]: {key: client[key]
409
for key in keywords }
410
for client in clients.values() },
411
fp = sys.stdout, indent = 4,
412
separators = (',', ': '))
418
json.dump({client["Name"]: {key:
420
if isinstance(client[key],
424
for client in clients.values()},
425
fp=sys.stdout, indent=4,
426
separators=(',', ': '))
415
429
print_clients(clients.values(), keywords)
417
431
# Process each client in the list by all selected options
418
432
for client in clients:
420
434
def set_client_prop(prop, value):
421
435
"""Set a Client D-Bus property"""
422
436
client.Set(client_interface, prop, value,
423
437
dbus_interface=dbus.PROPERTIES_IFACE)
425
439
def set_client_prop_ms(prop, value):
426
440
"""Set a Client D-Bus property, converted
427
441
from a string to milliseconds."""
428
442
set_client_prop(prop,
429
443
string_to_delta(value).total_seconds()
432
446
if options.remove:
433
447
mandos_serv.RemoveClient(client.__dbus_object_path__)
434
448
if options.enable:
442
456
if options.stop_checker:
443
457
set_client_prop("CheckerRunning", dbus.Boolean(False))
444
458
if options.is_enabled:
445
sys.exit(0 if client.Get(client_interface,
448
dbus.PROPERTIES_IFACE)
459
if client.Get(client_interface, "Enabled",
460
dbus_interface=dbus.PROPERTIES_IFACE):
450
464
if options.checker is not None:
451
465
set_client_prop("Checker", options.checker)
452
466
if options.host is not None: