2
2
# -*- mode: python; coding: utf-8 -*-
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 © 2008-2018 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,
29
from future_builtins import *
31
from future_builtins import *
58
65
"ApprovalDelay": "Approval Delay",
59
66
"ApprovalDuration": "Approval Duration",
60
67
"Checker": "Checker",
61
"ExtendedTimeout" : "Extended Timeout"
68
"ExtendedTimeout": "Extended Timeout",
70
"LastCheckerStatus": "Last Checker Status",
63
72
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
64
73
domain = "se.recompile"
65
74
busname = domain + ".Mandos"
67
76
server_interface = domain + ".Mandos"
68
77
client_interface = domain + ".Mandos.Client"
71
def timedelta_to_milliseconds(td):
72
"""Convert a datetime.timedelta object to milliseconds"""
73
return ((td.days * 24 * 60 * 60 * 1000)
75
+ (td.microseconds // 1000))
82
dbus.OBJECT_MANAGER_IFACE
83
except AttributeError:
84
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
77
87
def milliseconds_to_string(ms):
78
88
td = datetime.timedelta(0, 0, 0, ms)
79
89
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
80
.format(days = "{0}T".format(td.days) if td.days else "",
81
hours = td.seconds // 3600,
82
minutes = (td.seconds % 3600) // 60,
83
seconds = td.seconds % 60,
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))
87
96
def rfc3339_duration_to_delta(duration):
88
"""Parse a RFC 3339 "duration" and return a datetime.timedelta
97
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
90
99
>>> rfc3339_duration_to_delta("P7D")
91
100
datetime.timedelta(7)
92
101
>>> rfc3339_duration_to_delta("PT60S")
102
111
>>> rfc3339_duration_to_delta("P1DT3M20S")
103
112
datetime.timedelta(1, 200)
106
# Parsing a RFC 3339 duration with regular expressions is not
115
# Parsing an RFC 3339 duration with regular expressions is not
107
116
# possible - there would have to be multiple places for the same
108
# values, like seconds. This, while more esoteric, is cleaner
109
# without depending on a parsing library. If Python had a
117
# values, like seconds. The current code, while more esoteric, is
118
# cleaner without depending on a parsing library. If Python had a
110
119
# built-in library for parsing we would use it, but we'd like to
111
120
# avoid excessive use of external libraries.
113
122
# New type for defining tokens, syntax, and semantics all-in-one
114
Token = collections.namedtuple("Token",
115
("regexp", # To match token; if
116
# "value" is not None,
117
# must have a "group"
119
"value", # datetime.timedelta or
121
"followers")) # Tokens valid after
123
Token = collections.namedtuple("Token", (
124
"regexp", # To match token; if "value" is not None, must have
125
# a "group" containing digits
126
"value", # datetime.timedelta or None
127
"followers")) # Tokens valid after this token
123
128
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
124
129
# the "duration" ABNF definition in RFC 3339, Appendix A.
125
130
token_end = Token(re.compile(r"$"), None, frozenset())
126
131
token_second = Token(re.compile(r"(\d+)S"),
127
132
datetime.timedelta(seconds=1),
128
frozenset((token_end,)))
133
frozenset((token_end, )))
129
134
token_minute = Token(re.compile(r"(\d+)M"),
130
135
datetime.timedelta(minutes=1),
131
136
frozenset((token_second, token_end)))
180
188
# No currently valid tokens were found
181
raise ValueError("Invalid RFC 3339 duration")
189
raise ValueError("Invalid RFC 3339 duration: {!r}"
182
191
# End token found
186
195
def string_to_delta(interval):
187
196
"""Parse a string and return a datetime.timedelta
189
>>> string_to_delta("7d")
198
>>> string_to_delta('7d')
190
199
datetime.timedelta(7)
191
>>> string_to_delta("60s")
200
>>> string_to_delta('60s')
192
201
datetime.timedelta(0, 60)
193
>>> string_to_delta("60m")
202
>>> string_to_delta('60m')
194
203
datetime.timedelta(0, 3600)
195
>>> string_to_delta("24h")
204
>>> string_to_delta('24h')
196
205
datetime.timedelta(1)
197
>>> string_to_delta("1w")
206
>>> string_to_delta('1w')
198
207
datetime.timedelta(7)
199
>>> string_to_delta("5m 30s")
208
>>> string_to_delta('5m 30s')
200
209
datetime.timedelta(0, 330)
202
value = datetime.timedelta(0)
203
regexp = re.compile(r"(\d+)([dsmhw]?)")
206
213
return rfc3339_duration_to_delta(interval)
207
214
except ValueError:
217
value = datetime.timedelta(0)
218
regexp = re.compile(r"(\d+)([dsmhw]?)")
210
220
for num, suffix in regexp.findall(interval):
211
221
if suffix == "d":
212
222
value += datetime.timedelta(int(num))
229
240
if keyword in ("Timeout", "Interval", "ApprovalDelay",
230
241
"ApprovalDuration", "ExtendedTimeout"):
231
242
return milliseconds_to_string(value)
232
return unicode(value)
234
245
# Create format string to print table rows
235
246
format_string = " ".join("{{{key}:{width}}}".format(
236
width = max(len(tablewords[key]),
237
max(len(valuetostring(client[key],
241
key = key) for key in keywords)
247
width=max(len(tablewords[key]),
248
max(len(valuetostring(client[key], key))
249
for client in clients)),
242
252
# Print header line
243
253
print(format_string.format(**tablewords))
244
254
for client in clients:
245
print(format_string.format(**dict((key,
246
valuetostring(client[key],
248
for key in keywords)))
256
.format(**{key: valuetostring(client[key], key)
257
for key in keywords}))
250
260
def has_actions(options):
251
261
return any((options.enable,
271
282
parser = argparse.ArgumentParser()
272
283
parser.add_argument("--version", action="version",
273
version = "%(prog)s {0}".format(version),
284
version="%(prog)s {}".format(version),
274
285
help="show version number and exit")
275
286
parser.add_argument("-a", "--all", action="store_true",
276
287
help="Select all clients")
277
288
parser.add_argument("-v", "--verbose", action="store_true",
278
289
help="Print all fields")
290
parser.add_argument("-j", "--dump-json", action="store_true",
291
help="Dump client data in JSON format")
279
292
parser.add_argument("-e", "--enable", action="store_true",
280
293
help="Enable client")
281
294
parser.add_argument("-d", "--disable", action="store_true",
319
333
help="Run self-test")
320
334
parser.add_argument("client", nargs="*", help="Client name")
321
335
options = parser.parse_args()
323
337
if has_actions(options) and not (options.client or options.all):
324
338
parser.error("Options require clients names or --all.")
325
339
if options.verbose and has_actions(options):
326
parser.error("--verbose can only be used alone or with"
340
parser.error("--verbose can only be used alone.")
341
if options.dump_json and (options.verbose
342
or has_actions(options)):
343
parser.error("--dump-json can only be used alone.")
328
344
if options.all and not has_actions(options):
329
345
parser.error("--all requires an action.")
331
347
if options.check:
332
349
fail_count, test_count = doctest.testmod()
333
sys.exit(0 if fail_count == 0 else 1)
350
sys.exit(os.EX_OK if fail_count == 0 else 1)
336
353
bus = dbus.SystemBus()
337
354
mandos_dbus_objc = bus.get_object(busname, server_path)
338
355
except dbus.exceptions.DBusException:
339
print("Could not connect to Mandos server",
356
print("Could not connect to Mandos server", file=sys.stderr)
343
359
mandos_serv = dbus.Interface(mandos_dbus_objc,
344
dbus_interface = server_interface)
346
#block stderr since dbus library prints to stderr
360
dbus_interface=server_interface)
361
mandos_serv_object_manager = dbus.Interface(
362
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
364
# block stderr since dbus library prints to stderr
347
365
null = os.open(os.path.devnull, os.O_RDWR)
348
366
stderrcopy = os.dup(sys.stderr.fileno())
349
367
os.dup2(null, sys.stderr.fileno())
353
mandos_clients = mandos_serv.GetAllClientsWithProperties()
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}
356
378
os.dup2(stderrcopy, sys.stderr.fileno())
357
379
os.close(stderrcopy)
358
except dbus.exceptions.DBusException:
359
print("Access denied: Accessing mandos server through dbus.",
380
except dbus.exceptions.DBusException as e:
381
print("Access denied: "
382
"Accessing mandos server through D-Bus: {}".format(e),
363
386
# Compile dict of (clients: properties) to process
366
389
if options.all or not options.client:
367
clients = dict((bus.get_object(busname, path), properties)
368
for path, properties in
369
mandos_clients.iteritems())
390
clients = {bus.get_object(busname, path): properties
391
for path, properties in mandos_clients.items()}
371
393
for name in options.client:
372
for path, client in mandos_clients.iteritems():
394
for path, client in mandos_clients.items():
373
395
if client["Name"] == name:
374
396
client_objc = bus.get_object(busname, path)
375
397
clients[client_objc] = client
378
print("Client not found on server: {0!r}"
400
print("Client not found on server: {!r}"
379
401
.format(name), file=sys.stderr)
382
404
if not has_actions(options) and clients:
384
keywords = ("Name", "Enabled", "Timeout",
385
"LastCheckedOK", "Created", "Interval",
386
"Host", "Fingerprint", "CheckerRunning",
387
"LastEnabled", "ApprovalPending",
405
if options.verbose or options.dump_json:
406
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
407
"Created", "Interval", "Host", "Fingerprint",
408
"CheckerRunning", "LastEnabled",
409
"ApprovalPending", "ApprovedByDefault",
389
410
"LastApprovalRequest", "ApprovalDelay",
390
411
"ApprovalDuration", "Checker",
412
"ExtendedTimeout", "Expires",
393
415
keywords = defaultkeywords
395
print_clients(clients.values(), keywords)
417
if options.dump_json:
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=(',', ': '))
429
print_clients(clients.values(), keywords)
397
431
# Process each client in the list by all selected options
398
432
for client in clients:
399
434
def set_client_prop(prop, value):
400
435
"""Set a Client D-Bus property"""
401
436
client.Set(client_interface, prop, value,
402
437
dbus_interface=dbus.PROPERTIES_IFACE)
403
439
def set_client_prop_ms(prop, value):
404
440
"""Set a Client D-Bus property, converted
405
441
from a string to milliseconds."""
406
442
set_client_prop(prop,
407
timedelta_to_milliseconds
408
(string_to_delta(value)))
443
string_to_delta(value).total_seconds()
409
446
if options.remove:
410
447
mandos_serv.RemoveClient(client.__dbus_object_path__)
411
448
if options.enable: