2
2
# -*- mode: python; coding: utf-8 -*-
4
from __future__ import division
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 *
7
from optparse import OptionParser
13
locale.setlocale(locale.LC_ALL, u'')
46
if sys.version_info.major == 2:
49
locale.setlocale(locale.LC_ALL, "")
17
'Enabled': u'Enabled',
18
'Timeout': u'Timeout',
19
'LastCheckedOK': u'Last Successful Check',
20
'Created': u'Created',
21
'Interval': u'Interval',
23
'Fingerprint': u'Fingerprint',
24
'CheckerRunning': u'Check Is Running',
25
'LastEnabled': u'Last Enabled',
26
'ApprovalPending': u'Approval Is Pending',
27
'ApprovedByDefault': u'Approved By Default',
28
'ApprovalDelay': u"Approval Delay",
29
'ApprovalDuration': u"Approval Duration",
30
'Checker': u'Checker',
32
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
33
domain = 'se.bsnet.fukt'
34
busname = domain + '.Mandos'
36
server_interface = domain + '.Mandos'
37
client_interface = domain + '.Mandos.Client'
40
def timedelta_to_milliseconds(td):
41
"Convert a datetime.timedelta object to milliseconds"
42
return ((td.days * 24 * 60 * 60 * 1000)
44
+ (td.microseconds // 1000))
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"
46
86
def milliseconds_to_string(ms):
47
87
td = datetime.timedelta(0, 0, 0, ms)
48
return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
49
% { "days": "%dT" % td.days if td.days else "",
50
"hours": td.seconds // 3600,
51
"minutes": (td.seconds % 3600) // 60,
52
"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))
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}"
56
191
def string_to_delta(interval):
57
192
"""Parse a string and return a datetime.timedelta
59
194
>>> string_to_delta('7d')
60
195
datetime.timedelta(7)
61
196
>>> string_to_delta('60s')
134
272
options.secret is not None,
139
parser = OptionParser(version = "%%prog %s" % version)
140
parser.add_option("-a", "--all", action="store_true",
141
help="Select all clients")
142
parser.add_option("-v", "--verbose", action="store_true",
143
help="Print all fields")
144
parser.add_option("-e", "--enable", action="store_true",
145
help="Enable client")
146
parser.add_option("-d", "--disable", action="store_true",
147
help="disable client")
148
parser.add_option("-b", "--bump-timeout", action="store_true",
149
help="Bump timeout for client")
150
parser.add_option("--start-checker", action="store_true",
151
help="Start checker for client")
152
parser.add_option("--stop-checker", action="store_true",
153
help="Stop checker for client")
154
parser.add_option("-V", "--is-enabled", action="store_true",
155
help="Check if client is enabled")
156
parser.add_option("-r", "--remove", action="store_true",
157
help="Remove client")
158
parser.add_option("-c", "--checker", type="string",
159
help="Set checker command for client")
160
parser.add_option("-t", "--timeout", type="string",
161
help="Set timeout for client")
162
parser.add_option("-i", "--interval", type="string",
163
help="Set checker interval for client")
164
parser.add_option("--approve-by-default", action="store_true",
165
dest=u"approved_by_default",
166
help="Set client to be approved by default")
167
parser.add_option("--deny-by-default", action="store_false",
168
dest=u"approved_by_default",
169
help="Set client to be denied by default")
170
parser.add_option("--approval-delay", type="string",
171
help="Set delay before client approve/deny")
172
parser.add_option("--approval-duration", type="string",
173
help="Set duration of one client approval")
174
parser.add_option("-H", "--host", type="string",
175
help="Set host for client")
176
parser.add_option("-s", "--secret", type="string",
177
help="Set password blob (file) for client")
178
parser.add_option("-A", "--approve", action="store_true",
179
help="Approve any current client request")
180
parser.add_option("-D", "--deny", action="store_true",
181
help="Deny any current client request")
182
options, client_names = parser.parse_args()
184
if has_actions(options) and not client_names and not options.all:
185
parser.error('Options require clients names or --all.')
186
if options.verbose and has_actions(options):
187
parser.error('--verbose can only be used alone or with'
189
if options.all and not has_actions(options):
190
parser.error('--all requires an action.')
193
bus = dbus.SystemBus()
194
mandos_dbus_objc = bus.get_object(busname, server_path)
195
except dbus.exceptions.DBusException:
196
print >> sys.stderr, "Could not connect to Mandos server"
199
mandos_serv = dbus.Interface(mandos_dbus_objc,
200
dbus_interface = server_interface)
202
#block stderr since dbus library prints to stderr
203
null = os.open(os.path.devnull, os.O_RDWR)
204
stderrcopy = os.dup(sys.stderr.fileno())
205
os.dup2(null, sys.stderr.fileno())
209
mandos_clients = mandos_serv.GetAllClientsWithProperties()
212
os.dup2(stderrcopy, sys.stderr.fileno())
214
except dbus.exceptions.DBusException, e:
215
print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
218
# Compile dict of (clients: properties) to process
221
if options.all or not client_names:
222
clients = dict((bus.get_object(busname, path), properties)
223
for path, properties in
224
mandos_clients.iteritems())
226
for name in client_names:
227
for path, client in mandos_clients.iteritems():
228
if client['Name'] == name:
229
client_objc = bus.get_object(busname, path)
230
clients[client_objc] = client
233
print >> sys.stderr, "Client not found on server: %r" % name
236
if not has_actions(options) and clients:
238
keywords = ('Name', 'Enabled', 'Timeout',
239
'LastCheckedOK', 'Created', 'Interval',
240
'Host', 'Fingerprint', 'CheckerRunning',
241
'LastEnabled', 'ApprovalPending',
242
'ApprovedByDefault', 'ApprovalDelay',
243
'ApprovalDuration', 'Checker')
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
245
keywords = defaultkeywords
247
print_clients(clients.values(), keywords)
249
# Process each client in the list by all selected options
250
for client in clients:
252
mandos_serv.RemoveClient(client.__dbus_object_path__)
254
client.Enable(dbus_interface=client_interface)
256
client.Disable(dbus_interface=client_interface)
257
if options.bump_timeout:
258
client.CheckedOK(dbus_interface=client_interface)
259
if options.start_checker:
260
client.StartChecker(dbus_interface=client_interface)
261
if options.stop_checker:
262
client.StopChecker(dbus_interface=client_interface)
263
if options.is_enabled:
264
sys.exit(0 if client.Get(client_interface,
266
dbus_interface=dbus.PROPERTIES_IFACE)
269
client.Set(client_interface, u"Checker", options.checker,
270
dbus_interface=dbus.PROPERTIES_IFACE)
272
client.Set(client_interface, u"Host", options.host,
273
dbus_interface=dbus.PROPERTIES_IFACE)
275
client.Set(client_interface, u"Interval",
276
timedelta_to_milliseconds
277
(string_to_delta(options.interval)),
278
dbus_interface=dbus.PROPERTIES_IFACE)
279
if options.approval_delay:
280
client.Set(client_interface, u"ApprovalDelay",
281
timedelta_to_milliseconds
282
(string_to_delta(options.
284
dbus_interface=dbus.PROPERTIES_IFACE)
285
if options.approval_duration:
286
client.Set(client_interface, u"ApprovalDuration",
287
timedelta_to_milliseconds
288
(string_to_delta(options.
290
dbus_interface=dbus.PROPERTIES_IFACE)
292
client.Set(client_interface, u"Timeout",
293
timedelta_to_milliseconds
294
(string_to_delta(options.timeout)),
295
dbus_interface=dbus.PROPERTIES_IFACE)
297
client.Set(client_interface, u"Secret",
298
dbus.ByteArray(open(options.secret,
300
dbus_interface=dbus.PROPERTIES_IFACE)
301
if options.approved_by_default is not None:
302
client.Set(client_interface, u"ApprovedByDefault",
304
.approved_by_default),
305
dbus_interface=dbus.PROPERTIES_IFACE)
307
client.Approve(dbus.Boolean(True),
308
dbus_interface=client_interface)
310
client.Approve(dbus.Boolean(False),
311
dbus_interface=client_interface)
313
if __name__ == '__main__':
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__":