2
2
# -*- mode: python; coding: utf-8 -*-
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2008-2014 Teddy Hogeborn
7
# Copyright © 2008-2014 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
45
if sys.version_info[0] == 2:
48
locale.setlocale(locale.LC_ALL, "")
8
locale.setlocale(locale.LC_ALL, u'')
54
"LastCheckedOK": "Last Successful Check",
55
"LastApprovalRequest": "Last Approval Request",
57
"Interval": "Interval",
59
"Fingerprint": "Fingerprint",
60
"CheckerRunning": "Check Is Running",
61
"LastEnabled": "Last Enabled",
62
"ApprovalPending": "Approval Is Pending",
63
"ApprovedByDefault": "Approved By Default",
64
"ApprovalDelay": "Approval Delay",
65
"ApprovalDuration": "Approval Duration",
67
"ExtendedTimeout" : "Extended Timeout"
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',
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
70
domain = "se.recompile"
71
busname = domain + ".Mandos"
73
server_interface = domain + ".Mandos"
74
client_interface = domain + ".Mandos.Client"
77
def timedelta_to_milliseconds(td):
78
"""Convert a datetime.timedelta object to milliseconds"""
79
return ((td.days * 24 * 60 * 60 * 1000)
81
+ (td.microseconds // 1000))
83
def milliseconds_to_string(ms):
84
td = datetime.timedelta(0, 0, 0, ms)
85
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
86
.format(days = "{0}T".format(td.days) if td.days else "",
87
hours = td.seconds // 3600,
88
minutes = (td.seconds % 3600) // 60,
89
seconds = td.seconds % 60,
93
def rfc3339_duration_to_delta(duration):
94
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
96
>>> rfc3339_duration_to_delta("P7D")
98
>>> rfc3339_duration_to_delta("PT60S")
99
datetime.timedelta(0, 60)
100
>>> rfc3339_duration_to_delta("PT60M")
101
datetime.timedelta(0, 3600)
102
>>> rfc3339_duration_to_delta("PT24H")
103
datetime.timedelta(1)
104
>>> rfc3339_duration_to_delta("P1W")
105
datetime.timedelta(7)
106
>>> rfc3339_duration_to_delta("PT5M30S")
107
datetime.timedelta(0, 330)
108
>>> rfc3339_duration_to_delta("P1DT3M20S")
109
datetime.timedelta(1, 200)
112
# Parsing an RFC 3339 duration with regular expressions is not
113
# possible - there would have to be multiple places for the same
114
# values, like seconds. The current code, while more esoteric, is
115
# cleaner without depending on a parsing library. If Python had a
116
# built-in library for parsing we would use it, but we'd like to
117
# avoid excessive use of external libraries.
119
# New type for defining tokens, syntax, and semantics all-in-one
120
Token = collections.namedtuple("Token",
121
("regexp", # To match token; if
122
# "value" is not None,
123
# must have a "group"
125
"value", # datetime.timedelta or
127
"followers")) # Tokens valid after
129
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
130
# the "duration" ABNF definition in RFC 3339, Appendix A.
131
token_end = Token(re.compile(r"$"), None, frozenset())
132
token_second = Token(re.compile(r"(\d+)S"),
133
datetime.timedelta(seconds=1),
134
frozenset((token_end,)))
135
token_minute = Token(re.compile(r"(\d+)M"),
136
datetime.timedelta(minutes=1),
137
frozenset((token_second, token_end)))
138
token_hour = Token(re.compile(r"(\d+)H"),
139
datetime.timedelta(hours=1),
140
frozenset((token_minute, token_end)))
141
token_time = Token(re.compile(r"T"),
143
frozenset((token_hour, token_minute,
145
token_day = Token(re.compile(r"(\d+)D"),
146
datetime.timedelta(days=1),
147
frozenset((token_time, token_end)))
148
token_month = Token(re.compile(r"(\d+)M"),
149
datetime.timedelta(weeks=4),
150
frozenset((token_day, token_end)))
151
token_year = Token(re.compile(r"(\d+)Y"),
152
datetime.timedelta(weeks=52),
153
frozenset((token_month, token_end)))
154
token_week = Token(re.compile(r"(\d+)W"),
155
datetime.timedelta(weeks=1),
156
frozenset((token_end,)))
157
token_duration = Token(re.compile(r"P"), None,
158
frozenset((token_year, token_month,
159
token_day, token_time,
161
# Define starting values
162
value = datetime.timedelta() # Value so far
164
followers = frozenset((token_duration,)) # Following valid tokens
165
s = duration # String left to parse
166
# Loop until end token is found
167
while found_token is not token_end:
168
# Search for any currently valid tokens
169
for token in followers:
170
match = token.regexp.match(s)
171
if match is not None:
173
if token.value is not None:
174
# Value found, parse digits
175
factor = int(match.group(1), 10)
176
# Add to value so far
177
value += factor * token.value
178
# Strip token from string
179
s = token.regexp.sub("", s, 1)
182
# Set valid next tokens
183
followers = found_token.followers
186
# No currently valid tokens were found
187
raise ValueError("Invalid RFC 3339 duration")
192
def string_to_delta(interval):
193
"""Parse a string and return a datetime.timedelta
195
>>> string_to_delta("7d")
196
datetime.timedelta(7)
197
>>> string_to_delta("60s")
198
datetime.timedelta(0, 60)
199
>>> string_to_delta("60m")
200
datetime.timedelta(0, 3600)
201
>>> string_to_delta("24h")
202
datetime.timedelta(1)
203
>>> string_to_delta("1w")
204
datetime.timedelta(7)
205
>>> string_to_delta("5m 30s")
206
datetime.timedelta(0, 330)
210
return rfc3339_duration_to_delta(interval)
214
value = datetime.timedelta(0)
215
regexp = re.compile(r"(\d+)([dsmhw]?)")
217
for num, suffix in regexp.findall(interval):
219
value += datetime.timedelta(int(num))
221
value += datetime.timedelta(0, int(num))
223
value += datetime.timedelta(0, 0, 0, 0, int(num))
225
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
227
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
229
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],
248
key = key) for key in keywords)
250
print(format_string.format(**tablewords))
251
for client in clients:
252
print(format_string.format(**{ key:
253
valuetostring(client[key],
255
for key in keywords }))
257
def has_actions(options):
258
return any((options.enable,
260
options.bump_timeout,
261
options.start_checker,
262
options.stop_checker,
265
options.checker is not None,
266
options.timeout is not None,
267
options.extended_timeout is not None,
268
options.interval is not None,
269
options.approved_by_default is not None,
270
options.approval_delay is not None,
271
options.approval_duration is not None,
272
options.host is not None,
273
options.secret is not None,
278
parser = argparse.ArgumentParser()
279
parser.add_argument("--version", action="version",
280
version = "%(prog)s {0}".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("-e", "--enable", action="store_true",
287
help="Enable client")
288
parser.add_argument("-d", "--disable", action="store_true",
289
help="disable client")
290
parser.add_argument("-b", "--bump-timeout", action="store_true",
291
help="Bump timeout for client")
292
parser.add_argument("--start-checker", action="store_true",
293
help="Start checker for client")
294
parser.add_argument("--stop-checker", action="store_true",
295
help="Stop checker for client")
296
parser.add_argument("-V", "--is-enabled", action="store_true",
297
help="Check if client is enabled")
298
parser.add_argument("-r", "--remove", action="store_true",
299
help="Remove client")
300
parser.add_argument("-c", "--checker",
301
help="Set checker command for client")
302
parser.add_argument("-t", "--timeout",
303
help="Set timeout for client")
304
parser.add_argument("--extended-timeout",
305
help="Set extended timeout for client")
306
parser.add_argument("-i", "--interval",
307
help="Set checker interval for client")
308
parser.add_argument("--approve-by-default", action="store_true",
309
default=None, dest="approved_by_default",
310
help="Set client to be approved by default")
311
parser.add_argument("--deny-by-default", action="store_false",
312
dest="approved_by_default",
313
help="Set client to be denied by default")
314
parser.add_argument("--approval-delay",
315
help="Set delay before client approve/deny")
316
parser.add_argument("--approval-duration",
317
help="Set duration of one client approval")
318
parser.add_argument("-H", "--host", help="Set host for client")
319
parser.add_argument("-s", "--secret",
320
type=argparse.FileType(mode="rb"),
321
help="Set password blob (file) for client")
322
parser.add_argument("-A", "--approve", action="store_true",
323
help="Approve any current client request")
324
parser.add_argument("-D", "--deny", action="store_true",
325
help="Deny any current client request")
326
parser.add_argument("--check", action="store_true",
327
help="Run self-test")
328
parser.add_argument("client", nargs="*", help="Client name")
329
options = parser.parse_args()
331
if has_actions(options) and not (options.client or options.all):
332
parser.error("Options require clients names or --all.")
333
if options.verbose and has_actions(options):
334
parser.error("--verbose can only be used alone or with"
336
if options.all and not has_actions(options):
337
parser.error("--all requires an action.")
340
fail_count, test_count = doctest.testmod()
341
sys.exit(os.EX_OK if fail_count == 0 else 1)
344
bus = dbus.SystemBus()
345
mandos_dbus_objc = bus.get_object(busname, server_path)
346
except dbus.exceptions.DBusException:
347
print("Could not connect to Mandos server",
351
mandos_serv = dbus.Interface(mandos_dbus_objc,
352
dbus_interface = server_interface)
354
#block stderr since dbus library prints to stderr
355
null = os.open(os.path.devnull, os.O_RDWR)
356
stderrcopy = os.dup(sys.stderr.fileno())
357
os.dup2(null, sys.stderr.fileno())
361
mandos_clients = mandos_serv.GetAllClientsWithProperties()
364
os.dup2(stderrcopy, sys.stderr.fileno())
366
except dbus.exceptions.DBusException:
367
print("Access denied: Accessing mandos server through dbus.",
371
# Compile dict of (clients: properties) to process
374
if options.all or not options.client:
375
clients = { bus.get_object(busname, path): properties
376
for path, properties in mandos_clients.items() }
378
for name in options.client:
379
for path, client in mandos_clients.iteritems():
380
if client["Name"] == name:
381
client_objc = bus.get_object(busname, path)
382
clients[client_objc] = client
385
print("Client not found on server: {0!r}"
386
.format(name), file=sys.stderr)
389
if not has_actions(options) and clients:
391
keywords = ("Name", "Enabled", "Timeout",
392
"LastCheckedOK", "Created", "Interval",
393
"Host", "Fingerprint", "CheckerRunning",
394
"LastEnabled", "ApprovalPending",
396
"LastApprovalRequest", "ApprovalDelay",
397
"ApprovalDuration", "Checker",
400
keywords = defaultkeywords
402
print_clients(clients.values(), keywords)
404
# Process each client in the list by all selected options
405
for client in clients:
406
def set_client_prop(prop, value):
407
"""Set a Client D-Bus property"""
408
client.Set(client_interface, prop, value,
409
dbus_interface=dbus.PROPERTIES_IFACE)
410
def set_client_prop_ms(prop, value):
411
"""Set a Client D-Bus property, converted
412
from a string to milliseconds."""
413
set_client_prop(prop,
414
timedelta_to_milliseconds
415
(string_to_delta(value)))
417
mandos_serv.RemoveClient(client.__dbus_object_path__)
419
set_client_prop("Enabled", dbus.Boolean(True))
421
set_client_prop("Enabled", dbus.Boolean(False))
422
if options.bump_timeout:
423
set_client_prop("LastCheckedOK", "")
424
if options.start_checker:
425
set_client_prop("CheckerRunning", dbus.Boolean(True))
426
if options.stop_checker:
427
set_client_prop("CheckerRunning", dbus.Boolean(False))
428
if options.is_enabled:
429
sys.exit(0 if client.Get(client_interface,
432
dbus.PROPERTIES_IFACE)
434
if options.checker is not None:
435
set_client_prop("Checker", options.checker)
436
if options.host is not None:
437
set_client_prop("Host", options.host)
438
if options.interval is not None:
439
set_client_prop_ms("Interval", options.interval)
440
if options.approval_delay is not None:
441
set_client_prop_ms("ApprovalDelay",
442
options.approval_delay)
443
if options.approval_duration is not None:
444
set_client_prop_ms("ApprovalDuration",
445
options.approval_duration)
446
if options.timeout is not None:
447
set_client_prop_ms("Timeout", options.timeout)
448
if options.extended_timeout is not None:
449
set_client_prop_ms("ExtendedTimeout",
450
options.extended_timeout)
451
if options.secret is not None:
452
set_client_prop("Secret",
453
dbus.ByteArray(options.secret.read()))
454
if options.approved_by_default is not None:
455
set_client_prop("ApprovedByDefault",
457
.approved_by_default))
459
client.Approve(dbus.Boolean(True),
460
dbus_interface=client_interface)
462
client.Approve(dbus.Boolean(False),
463
dbus_interface=client_interface)
465
if __name__ == "__main__":
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])