2
2
# -*- mode: python; coding: utf-8 -*-
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
11
# the Free Software Foundation, either version 3 of the License, or
12
# (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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
# GNU General Public License for more details.
19
# 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/>.
23
# Contact the authors at <mandos@recompile.se>.
26
from __future__ import (division, absolute_import, print_function,
30
from future_builtins import *
5
from optparse import OptionParser
46
if sys.version_info.major == 2:
49
locale.setlocale(locale.LC_ALL, "")
8
locale.setlocale(locale.LC_ALL, u'')
55
"LastCheckedOK": "Last Successful Check",
56
"LastApprovalRequest": "Last Approval Request",
58
"Interval": "Interval",
60
"Fingerprint": "Fingerprint",
61
"CheckerRunning": "Check Is Running",
62
"LastEnabled": "Last Enabled",
63
"ApprovalPending": "Approval Is Pending",
64
"ApprovedByDefault": "Approved By Default",
65
"ApprovalDelay": "Approval Delay",
66
"ApprovalDuration": "Approval Duration",
68
"ExtendedTimeout": "Extended Timeout",
70
"LastCheckerStatus": "Last Checker Status",
72
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
73
domain = "se.recompile"
74
busname = domain + ".Mandos"
76
server_interface = domain + ".Mandos"
77
client_interface = domain + ".Mandos.Client"
82
dbus.OBJECT_MANAGER_IFACE
83
except AttributeError:
84
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
86
def milliseconds_to_string(ms):
87
td = datetime.timedelta(0, 0, 0, ms)
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))
95
def rfc3339_duration_to_delta(duration):
96
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
98
>>> rfc3339_duration_to_delta("P7D")
100
>>> rfc3339_duration_to_delta("PT60S")
101
datetime.timedelta(0, 60)
102
>>> rfc3339_duration_to_delta("PT60M")
103
datetime.timedelta(0, 3600)
104
>>> rfc3339_duration_to_delta("PT24H")
105
datetime.timedelta(1)
106
>>> rfc3339_duration_to_delta("P1W")
107
datetime.timedelta(7)
108
>>> rfc3339_duration_to_delta("PT5M30S")
109
datetime.timedelta(0, 330)
110
>>> rfc3339_duration_to_delta("P1DT3M20S")
111
datetime.timedelta(1, 200)
114
# Parsing an RFC 3339 duration with regular expressions is not
115
# possible - there would have to be multiple places for the same
116
# values, like seconds. The current code, while more esoteric, is
117
# cleaner without depending on a parsing library. If Python had a
118
# built-in library for parsing we would use it, but we'd like to
119
# avoid excessive use of external libraries.
121
# New type for defining tokens, syntax, and semantics all-in-one
122
Token = collections.namedtuple("Token", (
123
"regexp", # To match token; if "value" is not None, must have
124
# a "group" containing digits
125
"value", # datetime.timedelta or None
126
"followers")) # Tokens valid after this token
127
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
128
# the "duration" ABNF definition in RFC 3339, Appendix A.
129
token_end = Token(re.compile(r"$"), None, frozenset())
130
token_second = Token(re.compile(r"(\d+)S"),
131
datetime.timedelta(seconds=1),
132
frozenset((token_end, )))
133
token_minute = Token(re.compile(r"(\d+)M"),
134
datetime.timedelta(minutes=1),
135
frozenset((token_second, token_end)))
136
token_hour = Token(re.compile(r"(\d+)H"),
137
datetime.timedelta(hours=1),
138
frozenset((token_minute, token_end)))
139
token_time = Token(re.compile(r"T"),
141
frozenset((token_hour, token_minute,
143
token_day = Token(re.compile(r"(\d+)D"),
144
datetime.timedelta(days=1),
145
frozenset((token_time, token_end)))
146
token_month = Token(re.compile(r"(\d+)M"),
147
datetime.timedelta(weeks=4),
148
frozenset((token_day, token_end)))
149
token_year = Token(re.compile(r"(\d+)Y"),
150
datetime.timedelta(weeks=52),
151
frozenset((token_month, token_end)))
152
token_week = Token(re.compile(r"(\d+)W"),
153
datetime.timedelta(weeks=1),
154
frozenset((token_end, )))
155
token_duration = Token(re.compile(r"P"), None,
156
frozenset((token_year, token_month,
157
token_day, token_time,
159
# Define starting values
160
value = datetime.timedelta() # Value so far
162
followers = frozenset((token_duration, )) # Following valid tokens
163
s = duration # String left to parse
164
# Loop until end token is found
165
while found_token is not token_end:
166
# Search for any currently valid tokens
167
for token in followers:
168
match = token.regexp.match(s)
169
if match is not None:
171
if token.value is not None:
172
# Value found, parse digits
173
factor = int(match.group(1), 10)
174
# Add to value so far
175
value += factor * token.value
176
# Strip token from string
177
s = token.regexp.sub("", s, 1)
180
# Set valid next tokens
181
followers = found_token.followers
184
# No currently valid tokens were found
185
raise ValueError("Invalid RFC 3339 duration: {!r}"
191
def string_to_delta(interval):
192
"""Parse a string and return a datetime.timedelta
194
>>> string_to_delta('7d')
195
datetime.timedelta(7)
196
>>> string_to_delta('60s')
197
datetime.timedelta(0, 60)
198
>>> string_to_delta('60m')
199
datetime.timedelta(0, 3600)
200
>>> string_to_delta('24h')
201
datetime.timedelta(1)
202
>>> string_to_delta('1w')
203
datetime.timedelta(7)
204
>>> string_to_delta('5m 30s')
205
datetime.timedelta(0, 330)
209
return rfc3339_duration_to_delta(interval)
213
value = datetime.timedelta(0)
214
regexp = re.compile(r"(\d+)([dsmhw]?)")
216
for num, suffix in regexp.findall(interval):
218
value += datetime.timedelta(int(num))
220
value += datetime.timedelta(0, int(num))
222
value += datetime.timedelta(0, 0, 0, 0, int(num))
224
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
226
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
228
value += datetime.timedelta(0, 0, 0, int(num))
232
def print_clients(clients, keywords):
233
def valuetostring(value, keyword):
234
if type(value) is dbus.Boolean:
235
return "Yes" if value else "No"
236
if keyword in ("Timeout", "Interval", "ApprovalDelay",
237
"ApprovalDuration", "ExtendedTimeout"):
238
return milliseconds_to_string(value)
241
# Create format string to print table rows
242
format_string = " ".join("{{{key}:{width}}}".format(
243
width = max(len(tablewords[key]),
244
max(len(valuetostring(client[key], key))
245
for client in clients)),
249
print(format_string.format(**tablewords))
250
for client in clients:
251
print(format_string.format(**{
252
key: valuetostring(client[key], key)
253
for key in keywords }))
256
def has_actions(options):
257
return any((options.enable,
259
options.bump_timeout,
260
options.start_checker,
261
options.stop_checker,
264
options.checker is not None,
265
options.timeout is not None,
266
options.extended_timeout is not None,
267
options.interval is not None,
268
options.approved_by_default is not None,
269
options.approval_delay is not None,
270
options.approval_duration is not None,
271
options.host is not None,
272
options.secret is not None,
278
parser = argparse.ArgumentParser()
279
parser.add_argument("--version", action="version",
280
version = "%(prog)s {}".format(version),
281
help="show version number and exit")
282
parser.add_argument("-a", "--all", action="store_true",
283
help="Select all clients")
284
parser.add_argument("-v", "--verbose", action="store_true",
285
help="Print all fields")
286
parser.add_argument("-j", "--dump-json", action="store_true",
287
help="Dump client data in JSON format")
288
parser.add_argument("-e", "--enable", action="store_true",
289
help="Enable client")
290
parser.add_argument("-d", "--disable", action="store_true",
291
help="disable client")
292
parser.add_argument("-b", "--bump-timeout", action="store_true",
293
help="Bump timeout for client")
294
parser.add_argument("--start-checker", action="store_true",
295
help="Start checker for client")
296
parser.add_argument("--stop-checker", action="store_true",
297
help="Stop checker for client")
298
parser.add_argument("-V", "--is-enabled", action="store_true",
299
help="Check if client is enabled")
300
parser.add_argument("-r", "--remove", action="store_true",
301
help="Remove client")
302
parser.add_argument("-c", "--checker",
303
help="Set checker command for client")
304
parser.add_argument("-t", "--timeout",
305
help="Set timeout for client")
306
parser.add_argument("--extended-timeout",
307
help="Set extended timeout for client")
308
parser.add_argument("-i", "--interval",
309
help="Set checker interval for client")
310
parser.add_argument("--approve-by-default", action="store_true",
311
default=None, dest="approved_by_default",
312
help="Set client to be approved by default")
313
parser.add_argument("--deny-by-default", action="store_false",
314
dest="approved_by_default",
315
help="Set client to be denied by default")
316
parser.add_argument("--approval-delay",
317
help="Set delay before client approve/deny")
318
parser.add_argument("--approval-duration",
319
help="Set duration of one client approval")
320
parser.add_argument("-H", "--host", help="Set host for client")
321
parser.add_argument("-s", "--secret",
322
type=argparse.FileType(mode="rb"),
323
help="Set password blob (file) for client")
324
parser.add_argument("-A", "--approve", action="store_true",
325
help="Approve any current client request")
326
parser.add_argument("-D", "--deny", action="store_true",
327
help="Deny any current client request")
328
parser.add_argument("--check", action="store_true",
329
help="Run self-test")
330
parser.add_argument("client", nargs="*", help="Client name")
331
options = parser.parse_args()
333
if has_actions(options) and not (options.client or options.all):
334
parser.error("Options require clients names or --all.")
335
if options.verbose and has_actions(options):
336
parser.error("--verbose can only be used alone.")
337
if options.dump_json and (options.verbose or has_actions(options)):
338
parser.error("--dump-json can only be used alone.")
339
if options.all and not has_actions(options):
340
parser.error("--all requires an action.")
343
fail_count, test_count = doctest.testmod()
344
sys.exit(os.EX_OK if fail_count == 0 else 1)
347
bus = dbus.SystemBus()
348
mandos_dbus_objc = bus.get_object(busname, server_path)
349
except dbus.exceptions.DBusException:
350
print("Could not connect to Mandos server", file=sys.stderr)
353
mandos_serv = dbus.Interface(mandos_dbus_objc,
354
dbus_interface = server_interface)
355
mandos_serv_object_manager = dbus.Interface(
356
mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
358
#block stderr since dbus library prints to stderr
359
null = os.open(os.path.devnull, os.O_RDWR)
360
stderrcopy = os.dup(sys.stderr.fileno())
361
os.dup2(null, sys.stderr.fileno())
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 }
372
os.dup2(stderrcopy, sys.stderr.fileno())
374
except dbus.exceptions.DBusException as e:
375
print("Access denied: Accessing mandos server through D-Bus: {}"
376
.format(e), file=sys.stderr)
379
# Compile dict of (clients: properties) to process
382
if options.all or not options.client:
383
clients = { bus.get_object(busname, path): properties
384
for path, properties in mandos_clients.items() }
386
for name in options.client:
387
for path, client in mandos_clients.items():
388
if client["Name"] == name:
389
client_objc = bus.get_object(busname, path)
390
clients[client_objc] = client
393
print("Client not found on server: {!r}"
394
.format(name), file=sys.stderr)
397
if not has_actions(options) and clients:
398
if options.verbose or options.dump_json:
399
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
400
"Created", "Interval", "Host", "Fingerprint",
401
"CheckerRunning", "LastEnabled",
402
"ApprovalPending", "ApprovedByDefault",
403
"LastApprovalRequest", "ApprovalDelay",
404
"ApprovalDuration", "Checker",
405
"ExtendedTimeout", "Expires",
408
keywords = defaultkeywords
410
if options.dump_json:
411
json.dump({client["Name"]: {key:
413
if isinstance(client[key],
416
for key in keywords }
417
for client in clients.values() },
418
fp = sys.stdout, indent = 4,
419
separators = (',', ': '))
422
print_clients(clients.values(), keywords)
424
# Process each client in the list by all selected options
425
for client in clients:
427
def set_client_prop(prop, value):
428
"""Set a Client D-Bus property"""
429
client.Set(client_interface, prop, value,
430
dbus_interface=dbus.PROPERTIES_IFACE)
432
def set_client_prop_ms(prop, value):
433
"""Set a Client D-Bus property, converted
434
from a string to milliseconds."""
435
set_client_prop(prop,
436
string_to_delta(value).total_seconds()
440
mandos_serv.RemoveClient(client.__dbus_object_path__)
442
set_client_prop("Enabled", dbus.Boolean(True))
444
set_client_prop("Enabled", dbus.Boolean(False))
445
if options.bump_timeout:
446
set_client_prop("LastCheckedOK", "")
447
if options.start_checker:
448
set_client_prop("CheckerRunning", dbus.Boolean(True))
449
if options.stop_checker:
450
set_client_prop("CheckerRunning", dbus.Boolean(False))
451
if options.is_enabled:
452
sys.exit(0 if client.Get(client_interface,
455
dbus.PROPERTIES_IFACE)
457
if options.checker is not None:
458
set_client_prop("Checker", options.checker)
459
if options.host is not None:
460
set_client_prop("Host", options.host)
461
if options.interval is not None:
462
set_client_prop_ms("Interval", options.interval)
463
if options.approval_delay is not None:
464
set_client_prop_ms("ApprovalDelay",
465
options.approval_delay)
466
if options.approval_duration is not None:
467
set_client_prop_ms("ApprovalDuration",
468
options.approval_duration)
469
if options.timeout is not None:
470
set_client_prop_ms("Timeout", options.timeout)
471
if options.extended_timeout is not None:
472
set_client_prop_ms("ExtendedTimeout",
473
options.extended_timeout)
474
if options.secret is not None:
475
set_client_prop("Secret",
476
dbus.ByteArray(options.secret.read()))
477
if options.approved_by_default is not None:
478
set_client_prop("ApprovedByDefault",
480
.approved_by_default))
482
client.Approve(dbus.Boolean(True),
483
dbus_interface=client_interface)
485
client.Approve(dbus.Boolean(False),
486
dbus_interface=client_interface)
489
if __name__ == "__main__":
12
'enabled': u'Enabled',
13
'timeout': u'Timeout',
14
'last_checked_ok': u'Last Successful Check',
15
'created': u'Created',
16
'interval': u'Interval',
18
'fingerprint': u'Fingerprint',
19
'checker_running': u'Check Is Running',
20
'last_enabled': u'Last Enabled',
21
'checker': u'Checker',
23
busname = 'org.mandos-system.Mandos'
24
object_path = '/Mandos'
25
interface = 'org.mandos_system.Mandos'
27
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
30
parser = OptionParser(version = "%%prog %s" % version)
31
parser.add_option("-a", "--all", action="store_true", default=False,
32
help="Print all fields")
33
options = parser.parse_args()[0]
35
keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
36
'created', 'interval', 'host', 'fingerprint',
37
'checker_running', 'last_enabled', 'checker')
39
keywords = defaultkeywords
42
bus = dbus.SystemBus()
43
mandos_dbus_objc = bus.get_object(busname, object_path)
44
mandos_serv = dbus.Interface(mandos_dbus_objc,
45
dbus_interface = interface)
46
mandos_clients = mandos_serv.GetAllClientsWithProperties()
49
if type(x) is dbus.Boolean:
50
return u"Yes" if x else u"No"
54
format_string = u' '.join(u'%%-%ds'
55
% max(len(tablewords[key]),
56
max(len(valuetostring(client[key]))
58
in mandos_clients.itervalues()))
60
print format_string % tuple(tablewords[key] for key in keywords)
61
for client in mandos_clients.itervalues():
62
print format_string % tuple(valuetostring(client[key])