2
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
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
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
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
16
# Mandos is distributed in the hope that it will be useful, but
17
# WITHOUT ANY WARRANTY; without even the implied warranty of
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
17
# GNU General Public License for more details.
21
19
# You should have received a copy of the GNU General Public License
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
20
# along with this program. If not, see
21
# <http://www.gnu.org/licenses/>.
24
23
# Contact the authors at <mandos@recompile.se>.
27
26
from __future__ import (division, absolute_import, print_function,
31
from future_builtins import *
29
from future_builtins import *
65
58
"ApprovalDelay": "Approval Delay",
66
59
"ApprovalDuration": "Approval Duration",
67
60
"Checker": "Checker",
68
"ExtendedTimeout": "Extended Timeout",
70
"LastCheckerStatus": "Last Checker Status",
61
"ExtendedTimeout" : "Extended Timeout"
72
63
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
73
64
domain = "se.recompile"
74
65
busname = domain + ".Mandos"
76
67
server_interface = domain + ".Mandos"
77
68
client_interface = domain + ".Mandos.Client"
82
dbus.OBJECT_MANAGER_IFACE
83
except AttributeError:
84
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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))
87
77
def milliseconds_to_string(ms):
88
78
td = datetime.timedelta(0, 0, 0, ms)
89
79
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))
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,
96
87
def rfc3339_duration_to_delta(duration):
97
88
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
99
90
>>> rfc3339_duration_to_delta("P7D")
100
91
datetime.timedelta(7)
101
92
>>> rfc3339_duration_to_delta("PT60S")
111
102
>>> rfc3339_duration_to_delta("P1DT3M20S")
112
103
datetime.timedelta(1, 200)
115
106
# Parsing an RFC 3339 duration with regular expressions is not
116
107
# possible - there would have to be multiple places for the same
117
108
# values, like seconds. The current code, while more esoteric, is
118
109
# cleaner without depending on a parsing library. If Python had a
119
110
# built-in library for parsing we would use it, but we'd like to
120
111
# avoid excessive use of external libraries.
122
113
# New type for defining tokens, syntax, and semantics all-in-one
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
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
128
123
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
129
124
# the "duration" ABNF definition in RFC 3339, Appendix A.
130
125
token_end = Token(re.compile(r"$"), None, frozenset())
131
126
token_second = Token(re.compile(r"(\d+)S"),
132
127
datetime.timedelta(seconds=1),
133
frozenset((token_end, )))
128
frozenset((token_end,)))
134
129
token_minute = Token(re.compile(r"(\d+)M"),
135
130
datetime.timedelta(minutes=1),
136
131
frozenset((token_second, token_end)))
188
180
# No currently valid tokens were found
189
raise ValueError("Invalid RFC 3339 duration: {!r}"
181
raise ValueError("Invalid RFC 3339 duration")
191
182
# End token found
195
186
def string_to_delta(interval):
196
187
"""Parse a string and return a datetime.timedelta
198
>>> string_to_delta('7d')
189
>>> string_to_delta("7d")
199
190
datetime.timedelta(7)
200
>>> string_to_delta('60s')
191
>>> string_to_delta("60s")
201
192
datetime.timedelta(0, 60)
202
>>> string_to_delta('60m')
193
>>> string_to_delta("60m")
203
194
datetime.timedelta(0, 3600)
204
>>> string_to_delta('24h')
195
>>> string_to_delta("24h")
205
196
datetime.timedelta(1)
206
>>> string_to_delta('1w')
197
>>> string_to_delta("1w")
207
198
datetime.timedelta(7)
208
>>> string_to_delta('5m 30s')
199
>>> string_to_delta("5m 30s")
209
200
datetime.timedelta(0, 330)
202
value = datetime.timedelta(0)
203
regexp = re.compile(r"(\d+)([dsmhw]?)")
213
206
return rfc3339_duration_to_delta(interval)
214
207
except ValueError:
217
value = datetime.timedelta(0)
218
regexp = re.compile(r"(\d+)([dsmhw]?)")
220
210
for num, suffix in regexp.findall(interval):
221
211
if suffix == "d":
222
212
value += datetime.timedelta(int(num))
240
229
if keyword in ("Timeout", "Interval", "ApprovalDelay",
241
230
"ApprovalDuration", "ExtendedTimeout"):
242
231
return milliseconds_to_string(value)
232
return unicode(value)
245
234
# Create format string to print table rows
246
235
format_string = " ".join("{{{key}:{width}}}".format(
247
width=max(len(tablewords[key]),
248
max(len(valuetostring(client[key], key))
249
for client in clients)),
236
width = max(len(tablewords[key]),
237
max(len(valuetostring(client[key],
241
key = key) for key in keywords)
252
242
# Print header line
253
243
print(format_string.format(**tablewords))
254
244
for client in clients:
256
.format(**{key: valuetostring(client[key], key)
257
for key in keywords}))
245
print(format_string.format(**dict((key,
246
valuetostring(client[key],
248
for key in keywords)))
260
250
def has_actions(options):
261
251
return any((options.enable,
282
271
parser = argparse.ArgumentParser()
283
272
parser.add_argument("--version", action="version",
284
version="%(prog)s {}".format(version),
273
version = "%(prog)s {0}".format(version),
285
274
help="show version number and exit")
286
275
parser.add_argument("-a", "--all", action="store_true",
287
276
help="Select all clients")
288
277
parser.add_argument("-v", "--verbose", action="store_true",
289
278
help="Print all fields")
290
parser.add_argument("-j", "--dump-json", action="store_true",
291
help="Dump client data in JSON format")
292
279
parser.add_argument("-e", "--enable", action="store_true",
293
280
help="Enable client")
294
281
parser.add_argument("-d", "--disable", action="store_true",
333
319
help="Run self-test")
334
320
parser.add_argument("client", nargs="*", help="Client name")
335
321
options = parser.parse_args()
337
323
if has_actions(options) and not (options.client or options.all):
338
324
parser.error("Options require clients names or --all.")
339
325
if options.verbose and has_actions(options):
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.")
326
parser.error("--verbose can only be used alone or with"
344
328
if options.all and not has_actions(options):
345
329
parser.error("--all requires an action.")
347
331
if options.check:
349
332
fail_count, test_count = doctest.testmod()
350
sys.exit(os.EX_OK if fail_count == 0 else 1)
333
sys.exit(0 if fail_count == 0 else 1)
353
336
bus = dbus.SystemBus()
354
337
mandos_dbus_objc = bus.get_object(busname, server_path)
355
338
except dbus.exceptions.DBusException:
356
print("Could not connect to Mandos server", file=sys.stderr)
339
print("Could not connect to Mandos server",
359
343
mandos_serv = dbus.Interface(mandos_dbus_objc,
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
344
dbus_interface = server_interface)
346
#block stderr since dbus library prints to stderr
365
347
null = os.open(os.path.devnull, os.O_RDWR)
366
348
stderrcopy = os.dup(sys.stderr.fileno())
367
349
os.dup2(null, sys.stderr.fileno())
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}
353
mandos_clients = mandos_serv.GetAllClientsWithProperties()
378
356
os.dup2(stderrcopy, sys.stderr.fileno())
379
357
os.close(stderrcopy)
380
except dbus.exceptions.DBusException as e:
381
print("Access denied: "
382
"Accessing mandos server through D-Bus: {}".format(e),
358
except dbus.exceptions.DBusException:
359
print("Access denied: Accessing mandos server through dbus.",
386
363
# Compile dict of (clients: properties) to process
389
366
if options.all or not options.client:
390
clients = {bus.get_object(busname, path): properties
391
for path, properties in mandos_clients.items()}
367
clients = dict((bus.get_object(busname, path), properties)
368
for path, properties in
369
mandos_clients.iteritems())
393
371
for name in options.client:
394
for path, client in mandos_clients.items():
372
for path, client in mandos_clients.iteritems():
395
373
if client["Name"] == name:
396
374
client_objc = bus.get_object(busname, path)
397
375
clients[client_objc] = client
400
print("Client not found on server: {!r}"
378
print("Client not found on server: {0!r}"
401
379
.format(name), file=sys.stderr)
404
382
if not has_actions(options) and clients:
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",
384
keywords = ("Name", "Enabled", "Timeout",
385
"LastCheckedOK", "Created", "Interval",
386
"Host", "Fingerprint", "CheckerRunning",
387
"LastEnabled", "ApprovalPending",
410
389
"LastApprovalRequest", "ApprovalDelay",
411
390
"ApprovalDuration", "Checker",
412
"ExtendedTimeout", "Expires",
415
393
keywords = defaultkeywords
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)
395
print_clients(clients.values(), keywords)
431
397
# Process each client in the list by all selected options
432
398
for client in clients:
434
399
def set_client_prop(prop, value):
435
400
"""Set a Client D-Bus property"""
436
401
client.Set(client_interface, prop, value,
437
402
dbus_interface=dbus.PROPERTIES_IFACE)
439
403
def set_client_prop_ms(prop, value):
440
404
"""Set a Client D-Bus property, converted
441
405
from a string to milliseconds."""
442
406
set_client_prop(prop,
443
string_to_delta(value).total_seconds()
407
timedelta_to_milliseconds
408
(string_to_delta(value)))
446
409
if options.remove:
447
410
mandos_serv.RemoveClient(client.__dbus_object_path__)
448
411
if options.enable: