2
2
# -*- mode: python; coding: utf-8 -*-
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
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,
29
from future_builtins import *
5
from optparse import OptionParser
42
locale.setlocale(locale.LC_ALL, "")
8
locale.setlocale(locale.LC_ALL, u'')
48
"LastCheckedOK": "Last Successful Check",
49
"LastApprovalRequest": "Last Approval Request",
51
"Interval": "Interval",
53
"Fingerprint": "Fingerprint",
54
"CheckerRunning": "Check Is Running",
55
"LastEnabled": "Last Enabled",
56
"ApprovalPending": "Approval Is Pending",
57
"ApprovedByDefault": "Approved By Default",
58
"ApprovalDelay": "Approval Delay",
59
"ApprovalDuration": "Approval Duration",
61
"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',
63
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
64
domain = "se.recompile"
65
busname = domain + ".Mandos"
67
server_interface = domain + ".Mandos"
68
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))
77
def milliseconds_to_string(ms):
78
td = datetime.timedelta(0, 0, 0, ms)
79
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,
87
def rfc3339_duration_to_delta(duration):
88
"""Parse a RFC 3339 "duration" and return a datetime.timedelta
90
>>> rfc3339_duration_to_delta("P7D")
92
>>> rfc3339_duration_to_delta("PT60S")
93
datetime.timedelta(0, 60)
94
>>> rfc3339_duration_to_delta("PT60M")
95
datetime.timedelta(0, 3600)
96
>>> rfc3339_duration_to_delta("PT24H")
98
>>> rfc3339_duration_to_delta("P1W")
100
>>> rfc3339_duration_to_delta("PT5M30S")
101
datetime.timedelta(0, 330)
102
>>> rfc3339_duration_to_delta("P1DT3M20S")
103
datetime.timedelta(1, 200)
106
# Parsing a RFC 3339 duration with regular expressions is not
107
# 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
110
# built-in library for parsing we would use it, but we'd like to
111
# avoid excessive use of external libraries.
113
# 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
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
124
# the "duration" ABNF definition in RFC 3339, Appendix A.
125
token_end = Token(re.compile(r"$"), None, frozenset())
126
token_second = Token(re.compile(r"(\d+)S"),
127
datetime.timedelta(seconds=1),
128
frozenset((token_end,)))
129
token_minute = Token(re.compile(r"(\d+)M"),
130
datetime.timedelta(minutes=1),
131
frozenset((token_second, token_end)))
132
token_hour = Token(re.compile(r"(\d+)H"),
133
datetime.timedelta(hours=1),
134
frozenset((token_minute, token_end)))
135
token_time = Token(re.compile(r"T"),
137
frozenset((token_hour, token_minute,
139
token_day = Token(re.compile(r"(\d+)D"),
140
datetime.timedelta(days=1),
141
frozenset((token_time, token_end)))
142
token_month = Token(re.compile(r"(\d+)M"),
143
datetime.timedelta(weeks=4),
144
frozenset((token_day, token_end)))
145
token_year = Token(re.compile(r"(\d+)Y"),
146
datetime.timedelta(weeks=52),
147
frozenset((token_month, token_end)))
148
token_week = Token(re.compile(r"(\d+)W"),
149
datetime.timedelta(weeks=1),
150
frozenset((token_end,)))
151
token_duration = Token(re.compile(r"P"), None,
152
frozenset((token_year, token_month,
153
token_day, token_time,
155
# Define starting values
156
value = datetime.timedelta() # Value so far
158
followers = frozenset(token_duration,) # Following valid tokens
159
s = duration # String left to parse
160
# Loop until end token is found
161
while found_token is not token_end:
162
# Search for any currently valid tokens
163
for token in followers:
164
match = token.regexp.match(s)
165
if match is not None:
167
if token.value is not None:
168
# Value found, parse digits
169
factor = int(match.group(1), 10)
170
# Add to value so far
171
value += factor * token.value
172
# Strip token from string
173
s = token.regexp.sub("", s, 1)
176
# Set valid next tokens
177
followers = found_token.followers
180
# No currently valid tokens were found
181
raise ValueError("Invalid RFC 3339 duration")
186
def string_to_delta(interval):
187
"""Parse a string and return a datetime.timedelta
189
>>> string_to_delta("7d")
190
datetime.timedelta(7)
191
>>> string_to_delta("60s")
192
datetime.timedelta(0, 60)
193
>>> string_to_delta("60m")
194
datetime.timedelta(0, 3600)
195
>>> string_to_delta("24h")
196
datetime.timedelta(1)
197
>>> string_to_delta("1w")
198
datetime.timedelta(7)
199
>>> string_to_delta("5m 30s")
200
datetime.timedelta(0, 330)
202
value = datetime.timedelta(0)
203
regexp = re.compile(r"(\d+)([dsmhw]?)")
206
return rfc3339_duration_to_delta(interval)
210
for num, suffix in regexp.findall(interval):
212
value += datetime.timedelta(int(num))
214
value += datetime.timedelta(0, int(num))
216
value += datetime.timedelta(0, 0, 0, 0, int(num))
218
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
220
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
222
value += datetime.timedelta(0, 0, 0, int(num))
225
def print_clients(clients, keywords):
226
def valuetostring(value, keyword):
227
if type(value) is dbus.Boolean:
228
return "Yes" if value else "No"
229
if keyword in ("Timeout", "Interval", "ApprovalDelay",
230
"ApprovalDuration", "ExtendedTimeout"):
231
return milliseconds_to_string(value)
232
return unicode(value)
234
# Create format string to print table rows
235
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)
243
print(format_string.format(**tablewords))
244
for client in clients:
245
print(format_string.format(**dict((key,
246
valuetostring(client[key],
248
for key in keywords)))
250
def has_actions(options):
251
return any((options.enable,
253
options.bump_timeout,
254
options.start_checker,
255
options.stop_checker,
258
options.checker is not None,
259
options.timeout is not None,
260
options.extended_timeout is not None,
261
options.interval is not None,
262
options.approved_by_default is not None,
263
options.approval_delay is not None,
264
options.approval_duration is not None,
265
options.host is not None,
266
options.secret is not None,
271
parser = argparse.ArgumentParser()
272
parser.add_argument("--version", action="version",
273
version = "%(prog)s {0}".format(version),
274
help="show version number and exit")
275
parser.add_argument("-a", "--all", action="store_true",
276
help="Select all clients")
277
parser.add_argument("-v", "--verbose", action="store_true",
278
help="Print all fields")
279
parser.add_argument("-e", "--enable", action="store_true",
280
help="Enable client")
281
parser.add_argument("-d", "--disable", action="store_true",
282
help="disable client")
283
parser.add_argument("-b", "--bump-timeout", action="store_true",
284
help="Bump timeout for client")
285
parser.add_argument("--start-checker", action="store_true",
286
help="Start checker for client")
287
parser.add_argument("--stop-checker", action="store_true",
288
help="Stop checker for client")
289
parser.add_argument("-V", "--is-enabled", action="store_true",
290
help="Check if client is enabled")
291
parser.add_argument("-r", "--remove", action="store_true",
292
help="Remove client")
293
parser.add_argument("-c", "--checker",
294
help="Set checker command for client")
295
parser.add_argument("-t", "--timeout",
296
help="Set timeout for client")
297
parser.add_argument("--extended-timeout",
298
help="Set extended timeout for client")
299
parser.add_argument("-i", "--interval",
300
help="Set checker interval for client")
301
parser.add_argument("--approve-by-default", action="store_true",
302
default=None, dest="approved_by_default",
303
help="Set client to be approved by default")
304
parser.add_argument("--deny-by-default", action="store_false",
305
dest="approved_by_default",
306
help="Set client to be denied by default")
307
parser.add_argument("--approval-delay",
308
help="Set delay before client approve/deny")
309
parser.add_argument("--approval-duration",
310
help="Set duration of one client approval")
311
parser.add_argument("-H", "--host", help="Set host for client")
312
parser.add_argument("-s", "--secret", type=file,
313
help="Set password blob (file) for client")
314
parser.add_argument("-A", "--approve", action="store_true",
315
help="Approve any current client request")
316
parser.add_argument("-D", "--deny", action="store_true",
317
help="Deny any current client request")
318
parser.add_argument("--check", action="store_true",
319
help="Run self-test")
320
parser.add_argument("client", nargs="*", help="Client name")
321
options = parser.parse_args()
323
if has_actions(options) and not (options.client or options.all):
324
parser.error("Options require clients names or --all.")
325
if options.verbose and has_actions(options):
326
parser.error("--verbose can only be used alone or with"
328
if options.all and not has_actions(options):
329
parser.error("--all requires an action.")
332
fail_count, test_count = doctest.testmod()
333
sys.exit(0 if fail_count == 0 else 1)
336
bus = dbus.SystemBus()
337
mandos_dbus_objc = bus.get_object(busname, server_path)
338
except dbus.exceptions.DBusException:
339
print("Could not connect to Mandos server",
343
mandos_serv = dbus.Interface(mandos_dbus_objc,
344
dbus_interface = server_interface)
346
#block stderr since dbus library prints to stderr
347
null = os.open(os.path.devnull, os.O_RDWR)
348
stderrcopy = os.dup(sys.stderr.fileno())
349
os.dup2(null, sys.stderr.fileno())
353
mandos_clients = mandos_serv.GetAllClientsWithProperties()
356
os.dup2(stderrcopy, sys.stderr.fileno())
358
except dbus.exceptions.DBusException:
359
print("Access denied: Accessing mandos server through dbus.",
363
# Compile dict of (clients: properties) to process
366
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())
371
for name in options.client:
372
for path, client in mandos_clients.iteritems():
373
if client["Name"] == name:
374
client_objc = bus.get_object(busname, path)
375
clients[client_objc] = client
378
print("Client not found on server: {0!r}"
379
.format(name), file=sys.stderr)
382
if not has_actions(options) and clients:
384
keywords = ("Name", "Enabled", "Timeout",
385
"LastCheckedOK", "Created", "Interval",
386
"Host", "Fingerprint", "CheckerRunning",
387
"LastEnabled", "ApprovalPending",
389
"LastApprovalRequest", "ApprovalDelay",
390
"ApprovalDuration", "Checker",
393
keywords = defaultkeywords
395
print_clients(clients.values(), keywords)
397
# Process each client in the list by all selected options
398
for client in clients:
399
def set_client_prop(prop, value):
400
"""Set a Client D-Bus property"""
401
client.Set(client_interface, prop, value,
402
dbus_interface=dbus.PROPERTIES_IFACE)
403
def set_client_prop_ms(prop, value):
404
"""Set a Client D-Bus property, converted
405
from a string to milliseconds."""
406
set_client_prop(prop,
407
timedelta_to_milliseconds
408
(string_to_delta(value)))
410
mandos_serv.RemoveClient(client.__dbus_object_path__)
412
set_client_prop("Enabled", dbus.Boolean(True))
414
set_client_prop("Enabled", dbus.Boolean(False))
415
if options.bump_timeout:
416
set_client_prop("LastCheckedOK", "")
417
if options.start_checker:
418
set_client_prop("CheckerRunning", dbus.Boolean(True))
419
if options.stop_checker:
420
set_client_prop("CheckerRunning", dbus.Boolean(False))
421
if options.is_enabled:
422
sys.exit(0 if client.Get(client_interface,
425
dbus.PROPERTIES_IFACE)
427
if options.checker is not None:
428
set_client_prop("Checker", options.checker)
429
if options.host is not None:
430
set_client_prop("Host", options.host)
431
if options.interval is not None:
432
set_client_prop_ms("Interval", options.interval)
433
if options.approval_delay is not None:
434
set_client_prop_ms("ApprovalDelay",
435
options.approval_delay)
436
if options.approval_duration is not None:
437
set_client_prop_ms("ApprovalDuration",
438
options.approval_duration)
439
if options.timeout is not None:
440
set_client_prop_ms("Timeout", options.timeout)
441
if options.extended_timeout is not None:
442
set_client_prop_ms("ExtendedTimeout",
443
options.extended_timeout)
444
if options.secret is not None:
445
set_client_prop("Secret",
446
dbus.ByteArray(options.secret.read()))
447
if options.approved_by_default is not None:
448
set_client_prop("ApprovedByDefault",
450
.approved_by_default))
452
client.Approve(dbus.Boolean(True),
453
dbus_interface=client_interface)
455
client.Approve(dbus.Boolean(False),
456
dbus_interface=client_interface)
458
if __name__ == "__main__":
23
busname = 'org.mandos-system.Mandos'
24
server_path = '/Mandos'
25
server_interface = 'org.mandos_system.Mandos'
26
client_interface = 'org.mandos_system.Mandos.Client'
28
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
30
bus = dbus.SystemBus()
31
mandos_dbus_objc = bus.get_object(busname, server_path)
32
mandos_serv = dbus.Interface(mandos_dbus_objc,
33
dbus_interface = server_interface)
34
mandos_clients = mandos_serv.GetAllClientsWithProperties()
36
def Getclientbyname(name):
38
for cli in mandos_clients.iteritems():
39
if cli[1]['name'] == name:
41
if client_path is None:
42
print "Client not found on server"
45
client_objc = bus.get_object(busname, client_path)
46
return dbus.Interface(client_objc, dbus_interface = client_interface)
50
client = Getclientbyname(options.enable)
51
if client is not None:
55
client = Getclientbyname(options.disable)
56
if client is not None:
61
if type(x) is dbus.Boolean:
62
return u"Yes" if x else u"No"
65
format_string = u' '.join(u'%%-%ds' %
66
max(len(tablewords[key]),
67
max(len(valuetostring(client[key]))
69
mandos_clients.itervalues()))
71
print format_string % tuple(tablewords[key] for key in keywords)
72
for client in mandos_clients.itervalues():
73
print format_string % tuple(valuetostring(client[key])
77
parser = OptionParser(version = "%%prog %s" % version)
78
parser.add_option("-a", "--all", action="store_true", default=False,
79
help="Print all fields")
80
parser.add_option("-e", "--enable", type="string",
81
help="Enable specified client")
82
parser.add_option("-d", "--disable", type="string",
83
help="disable specified client")
84
options = parser.parse_args()[0]
90
keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
91
'created', 'interval', 'host', 'fingerprint',
92
'checker_running', 'last_enabled', 'checker')
94
keywords = defaultkeywords