2
2
# -*- mode: python; coding: utf-8 -*-
4
from __future__ import division
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
13
# the Free Software Foundation, either version 3 of the License, or
14
# (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
18
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
# GNU General Public License for more details.
21
# You should have received a copy of the GNU General Public License
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
24
# Contact the authors at <mandos@recompile.se>.
27
from __future__ import (division, absolute_import, print_function,
31
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
'last_checked_ok': u'Last Successful Check',
20
'created': u'Created',
21
'interval': u'Interval',
23
'fingerprint': u'Fingerprint',
24
'checker_running': u'Check Is Running',
25
'last_enabled': u'Last Enabled',
26
'checker': u'Checker',
28
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok')
29
domain = 'se.bsnet.fukt'
30
busname = domain + '.Mandos'
32
server_interface = domain + '.Mandos'
33
client_interface = domain + '.Mandos.Client'
36
def timedelta_to_milliseconds(td):
37
"Convert a datetime.timedelta object to milliseconds"
38
return ((td.days * 24 * 60 * 60 * 1000)
40
+ (td.microseconds // 1000))
55
"LastCheckedOK": "Last Successful Check",
56
"LastApprovalRequest": "Last Approval Request",
58
"Interval": "Interval",
60
"Fingerprint": "Fingerprint",
62
"CheckerRunning": "Check Is Running",
63
"LastEnabled": "Last Enabled",
64
"ApprovalPending": "Approval Is Pending",
65
"ApprovedByDefault": "Approved By Default",
66
"ApprovalDelay": "Approval Delay",
67
"ApprovalDuration": "Approval Duration",
69
"ExtendedTimeout": "Extended Timeout",
71
"LastCheckerStatus": "Last Checker Status",
73
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
74
domain = "se.recompile"
75
busname = domain + ".Mandos"
77
server_interface = domain + ".Mandos"
78
client_interface = domain + ".Mandos.Client"
83
dbus.OBJECT_MANAGER_IFACE
84
except AttributeError:
85
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
42
88
def milliseconds_to_string(ms):
43
89
td = datetime.timedelta(0, 0, 0, ms)
44
return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
45
% { "days": "%dT" % td.days if td.days else "",
46
"hours": td.seconds // 3600,
47
"minutes": (td.seconds % 3600) // 60,
48
"seconds": td.seconds % 60,
90
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
91
.format(days="{}T".format(td.days) if td.days else "",
92
hours=td.seconds // 3600,
93
minutes=(td.seconds % 3600) // 60,
94
seconds=td.seconds % 60))
97
def rfc3339_duration_to_delta(duration):
98
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
100
>>> rfc3339_duration_to_delta("P7D")
101
datetime.timedelta(7)
102
>>> rfc3339_duration_to_delta("PT60S")
103
datetime.timedelta(0, 60)
104
>>> rfc3339_duration_to_delta("PT60M")
105
datetime.timedelta(0, 3600)
106
>>> rfc3339_duration_to_delta("PT24H")
107
datetime.timedelta(1)
108
>>> rfc3339_duration_to_delta("P1W")
109
datetime.timedelta(7)
110
>>> rfc3339_duration_to_delta("PT5M30S")
111
datetime.timedelta(0, 330)
112
>>> rfc3339_duration_to_delta("P1DT3M20S")
113
datetime.timedelta(1, 200)
116
# Parsing an RFC 3339 duration with regular expressions is not
117
# possible - there would have to be multiple places for the same
118
# values, like seconds. The current code, while more esoteric, is
119
# cleaner without depending on a parsing library. If Python had a
120
# built-in library for parsing we would use it, but we'd like to
121
# avoid excessive use of external libraries.
123
# New type for defining tokens, syntax, and semantics all-in-one
124
Token = collections.namedtuple("Token", (
125
"regexp", # To match token; if "value" is not None, must have
126
# a "group" containing digits
127
"value", # datetime.timedelta or None
128
"followers")) # Tokens valid after this token
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:
163
value = datetime.timedelta()
165
# Following valid tokens
166
followers = frozenset((token_duration, ))
167
# String left to parse
169
# Loop until end token is found
170
while found_token is not token_end:
171
# Search for any currently valid tokens
172
for token in followers:
173
match = token.regexp.match(s)
174
if match is not None:
176
if token.value is not None:
177
# Value found, parse digits
178
factor = int(match.group(1), 10)
179
# Add to value so far
180
value += factor * token.value
181
# Strip token from string
182
s = token.regexp.sub("", s, 1)
185
# Set valid next tokens
186
followers = found_token.followers
189
# No currently valid tokens were found
190
raise ValueError("Invalid RFC 3339 duration: {!r}"
52
196
def string_to_delta(interval):
60
204
datetime.timedelta(0, 3600)
61
205
>>> string_to_delta('24h')
62
206
datetime.timedelta(1)
63
>>> string_to_delta(u'1w')
207
>>> string_to_delta('1w')
64
208
datetime.timedelta(7)
65
209
>>> string_to_delta('5m 30s')
66
210
datetime.timedelta(0, 330)
68
timevalue = datetime.timedelta(0)
69
regexp = re.compile("\d+[dsmhw]")
71
for s in regexp.findall(interval):
73
suffix = unicode(s[-1])
76
delta = datetime.timedelta(value)
78
delta = datetime.timedelta(0, value)
80
delta = datetime.timedelta(0, 0, 0, 0, value)
82
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
84
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
87
except (ValueError, IndexError):
214
return rfc3339_duration_to_delta(interval)
218
value = datetime.timedelta(0)
219
regexp = re.compile(r"(\d+)([dsmhw]?)")
221
for num, suffix in regexp.findall(interval):
223
value += datetime.timedelta(int(num))
225
value += datetime.timedelta(0, int(num))
227
value += datetime.timedelta(0, 0, 0, 0, int(num))
229
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
231
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
233
value += datetime.timedelta(0, 0, 0, int(num))
92
237
def print_clients(clients, keywords):
93
238
def valuetostring(value, keyword):
94
239
if type(value) is dbus.Boolean:
95
return u"Yes" if value else u"No"
96
if keyword in (u"timeout", u"interval"):
240
return "Yes" if value else "No"
241
if keyword in ("Timeout", "Interval", "ApprovalDelay",
242
"ApprovalDuration", "ExtendedTimeout"):
97
243
return milliseconds_to_string(value)
100
246
# Create format string to print table rows
101
format_string = u' '.join(u'%%-%ds' %
102
max(len(tablewords[key]),
103
max(len(valuetostring(client[key], key))
247
format_string = " ".join("{{{key}:{width}}}".format(
248
width=max(len(tablewords[key]),
249
max(len(valuetostring(client[key], key))
250
for client in clients)),
107
253
# Print header line
108
print format_string % tuple(tablewords[key] for key in keywords)
254
print(format_string.format(**tablewords))
109
255
for client in clients:
110
print format_string % tuple(valuetostring(client[key], key)
257
.format(**{key: valuetostring(client[key], key)
258
for key in keywords}))
112
261
def has_actions(options):
113
262
return any((options.enable,
120
269
options.checker is not None,
121
270
options.timeout is not None,
271
options.extended_timeout is not None,
122
272
options.interval is not None,
273
options.approved_by_default is not None,
274
options.approval_delay is not None,
275
options.approval_duration is not None,
123
276
options.host is not None,
124
277
options.secret is not None,
129
parser = OptionParser(version = "%%prog %s" % version)
130
parser.add_option("-a", "--all", action="store_true",
131
help="Select all clients")
132
parser.add_option("-v", "--verbose", action="store_true",
133
help="Print all fields")
134
parser.add_option("-e", "--enable", action="store_true",
135
help="Enable client")
136
parser.add_option("-d", "--disable", action="store_true",
137
help="disable client")
138
parser.add_option("-b", "--bump-timeout", action="store_true",
139
help="Bump timeout for client")
140
parser.add_option("--start-checker", action="store_true",
141
help="Start checker for client")
142
parser.add_option("--stop-checker", action="store_true",
143
help="Stop checker for client")
144
parser.add_option("-V", "--is-enabled", action="store_true",
145
help="Check if client is enabled")
146
parser.add_option("-r", "--remove", action="store_true",
147
help="Remove client")
148
parser.add_option("-c", "--checker", type="string",
149
help="Set checker command for client")
150
parser.add_option("-t", "--timeout", type="string",
151
help="Set timeout for client")
152
parser.add_option("-i", "--interval", type="string",
153
help="Set checker interval for client")
154
parser.add_option("-H", "--host", type="string",
155
help="Set host for client")
156
parser.add_option("-s", "--secret", type="string",
157
help="Set password blob (file) for client")
158
parser.add_option("-A", "--approve", action="store_true",
159
help="Approve any current client request")
160
parser.add_option("-D", "--deny", action="store_true",
161
help="Deny any current client request")
162
options, client_names = parser.parse_args()
164
if has_actions(options) and not client_names and not options.all:
165
parser.error('Options requires clients names or --all.')
166
if options.verbose and has_actions(options):
167
parser.error('Verbose option can only be used alone or with --all.')
168
if options.all and not has_actions(options):
169
parser.error('--all requires an action')
172
bus = dbus.SystemBus()
173
mandos_dbus_objc = bus.get_object(busname, server_path)
174
except dbus.exceptions.DBusException:
175
print >> sys.stderr, "Could not connect to Mandos server"
178
mandos_serv = dbus.Interface(mandos_dbus_objc,
179
dbus_interface = server_interface)
181
#block stderr since dbus library prints to stderr
182
null = os.open(os.path.devnull, os.O_RDWR)
183
stderrcopy = os.dup(sys.stderr.fileno())
184
os.dup2(null, sys.stderr.fileno())
188
mandos_clients = mandos_serv.GetAllClientsWithProperties()
191
os.dup2(stderrcopy, sys.stderr.fileno())
193
except dbus.exceptions.DBusException, e:
194
print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
197
# Compile list of clients to process
200
if options.all or not client_names:
201
clients = (bus.get_object(busname, path) for path in mandos_clients.iterkeys())
203
for name in client_names:
204
for path, client in mandos_clients.iteritems():
205
if client['name'] == name:
206
client_objc = bus.get_object(busname, path)
207
clients.append(client_objc)
283
parser = argparse.ArgumentParser()
284
parser.add_argument("--version", action="version",
285
version="%(prog)s {}".format(version),
286
help="show version number and exit")
287
parser.add_argument("-a", "--all", action="store_true",
288
help="Select all clients")
289
parser.add_argument("-v", "--verbose", action="store_true",
290
help="Print all fields")
291
parser.add_argument("-j", "--dump-json", action="store_true",
292
help="Dump client data in JSON format")
293
parser.add_argument("-e", "--enable", action="store_true",
294
help="Enable client")
295
parser.add_argument("-d", "--disable", action="store_true",
296
help="disable client")
297
parser.add_argument("-b", "--bump-timeout", action="store_true",
298
help="Bump timeout for client")
299
parser.add_argument("--start-checker", action="store_true",
300
help="Start checker for client")
301
parser.add_argument("--stop-checker", action="store_true",
302
help="Stop checker for client")
303
parser.add_argument("-V", "--is-enabled", action="store_true",
304
help="Check if client is enabled")
305
parser.add_argument("-r", "--remove", action="store_true",
306
help="Remove client")
307
parser.add_argument("-c", "--checker",
308
help="Set checker command for client")
309
parser.add_argument("-t", "--timeout",
310
help="Set timeout for client")
311
parser.add_argument("--extended-timeout",
312
help="Set extended timeout for client")
313
parser.add_argument("-i", "--interval",
314
help="Set checker interval for client")
315
parser.add_argument("--approve-by-default", action="store_true",
316
default=None, dest="approved_by_default",
317
help="Set client to be approved by default")
318
parser.add_argument("--deny-by-default", action="store_false",
319
dest="approved_by_default",
320
help="Set client to be denied by default")
321
parser.add_argument("--approval-delay",
322
help="Set delay before client approve/deny")
323
parser.add_argument("--approval-duration",
324
help="Set duration of one client approval")
325
parser.add_argument("-H", "--host", help="Set host for client")
326
parser.add_argument("-s", "--secret",
327
type=argparse.FileType(mode="rb"),
328
help="Set password blob (file) for client")
329
parser.add_argument("-A", "--approve", action="store_true",
330
help="Approve any current client request")
331
parser.add_argument("-D", "--deny", action="store_true",
332
help="Deny any current client request")
333
parser.add_argument("--check", action="store_true",
334
help="Run self-test")
335
parser.add_argument("client", nargs="*", help="Client name")
336
options = parser.parse_args()
338
if has_actions(options) and not (options.client or options.all):
339
parser.error("Options require clients names or --all.")
340
if options.verbose and has_actions(options):
341
parser.error("--verbose can only be used alone.")
342
if options.dump_json and (options.verbose
343
or has_actions(options)):
344
parser.error("--dump-json can only be used alone.")
345
if options.all and not has_actions(options):
346
parser.error("--all requires an action.")
350
fail_count, test_count = doctest.testmod()
351
sys.exit(os.EX_OK if fail_count == 0 else 1)
354
bus = dbus.SystemBus()
355
mandos_dbus_objc = bus.get_object(busname, server_path)
356
except dbus.exceptions.DBusException:
357
print("Could not connect to Mandos server", file=sys.stderr)
360
mandos_serv = dbus.Interface(mandos_dbus_objc,
361
dbus_interface=server_interface)
362
mandos_serv_object_manager = dbus.Interface(
363
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
365
# block stderr since dbus library prints to stderr
366
null = os.open(os.path.devnull, os.O_RDWR)
367
stderrcopy = os.dup(sys.stderr.fileno())
368
os.dup2(null, sys.stderr.fileno())
372
mandos_clients = {path: ifs_and_props[client_interface]
373
for path, ifs_and_props in
374
mandos_serv_object_manager
375
.GetManagedObjects().items()
376
if client_interface in ifs_and_props}
379
os.dup2(stderrcopy, sys.stderr.fileno())
381
except dbus.exceptions.DBusException as e:
382
print("Access denied: "
383
"Accessing mandos server through D-Bus: {}".format(e),
387
# Compile dict of (clients: properties) to process
390
if options.all or not options.client:
391
clients = {bus.get_object(busname, path): properties
392
for path, properties in mandos_clients.items()}
394
for name in options.client:
395
for path, client in mandos_clients.items():
396
if client["Name"] == name:
397
client_objc = bus.get_object(busname, path)
398
clients[client_objc] = client
401
print("Client not found on server: {!r}"
402
.format(name), file=sys.stderr)
405
if not has_actions(options) and clients:
406
if options.verbose or options.dump_json:
407
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
408
"Created", "Interval", "Host", "KeyID",
409
"Fingerprint", "CheckerRunning",
410
"LastEnabled", "ApprovalPending",
411
"ApprovedByDefault", "LastApprovalRequest",
412
"ApprovalDelay", "ApprovalDuration",
413
"Checker", "ExtendedTimeout", "Expires",
416
keywords = defaultkeywords
418
if options.dump_json:
419
json.dump({client["Name"]: {key:
421
if isinstance(client[key],
425
for client in clients.values()},
426
fp=sys.stdout, indent=4,
427
separators=(',', ': '))
430
print_clients(clients.values(), keywords)
432
# Process each client in the list by all selected options
433
for client in clients:
435
def set_client_prop(prop, value):
436
"""Set a Client D-Bus property"""
437
client.Set(client_interface, prop, value,
438
dbus_interface=dbus.PROPERTIES_IFACE)
440
def set_client_prop_ms(prop, value):
441
"""Set a Client D-Bus property, converted
442
from a string to milliseconds."""
443
set_client_prop(prop,
444
string_to_delta(value).total_seconds()
448
mandos_serv.RemoveClient(client.__dbus_object_path__)
450
set_client_prop("Enabled", dbus.Boolean(True))
452
set_client_prop("Enabled", dbus.Boolean(False))
453
if options.bump_timeout:
454
set_client_prop("LastCheckedOK", "")
455
if options.start_checker:
456
set_client_prop("CheckerRunning", dbus.Boolean(True))
457
if options.stop_checker:
458
set_client_prop("CheckerRunning", dbus.Boolean(False))
459
if options.is_enabled:
460
if client.Get(client_interface, "Enabled",
461
dbus_interface=dbus.PROPERTIES_IFACE):
210
print >> sys.stderr, "Client not found on server: %r" % name
213
if not has_actions(options) and clients:
215
keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
216
'created', 'interval', 'host', 'fingerprint',
217
'checker_running', 'last_enabled', 'checker')
219
keywords = defaultkeywords
221
print_clients(mandos_clients.values(), keywords)
223
# Process each client in the list by all selected options
224
for client in clients:
226
mandos_serv.RemoveClient(client.__dbus_object_path__)
228
client.Enable(dbus_interface=client_interface)
230
client.Disable(dbus_interface=client_interface)
231
if options.bump_timeout:
232
client.CheckedOK(dbus_interface=client_interface)
233
if options.start_checker:
234
client.StartChecker(dbus_interface=client_interface)
235
if options.stop_checker:
236
client.StopChecker(dbus_interface=client_interface)
237
if options.is_enabled:
238
sys.exit(0 if client.Get(client_interface,
240
dbus_interface=dbus.PROPERTIES_IFACE)
243
client.Set(client_interface, u"checker", options.checker,
244
dbus_interface=dbus.PROPERTIES_IFACE)
246
client.Set(client_interface, u"host", options.host,
247
dbus_interface=dbus.PROPERTIES_IFACE)
249
client.Set(client_interface, u"interval",
250
timedelta_to_milliseconds
251
(string_to_delta(options.interval)),
252
dbus_interface=dbus.PROPERTIES_IFACE)
254
client.Set(client_interface, u"timeout",
255
timedelta_to_milliseconds(string_to_delta
257
dbus_interface=dbus.PROPERTIES_IFACE)
259
client.Set(client_interface, u"secret",
260
dbus.ByteArray(open(options.secret, u'rb').read()),
261
dbus_interface=dbus.PROPERTIES_IFACE)
263
client.Approve(dbus.Boolean(True), dbus_interface=client_interface)
265
client.Approve(dbus.Boolean(False), dbus_interface=client_interface)
267
if __name__ == '__main__':
465
if options.checker is not None:
466
set_client_prop("Checker", options.checker)
467
if options.host is not None:
468
set_client_prop("Host", options.host)
469
if options.interval is not None:
470
set_client_prop_ms("Interval", options.interval)
471
if options.approval_delay is not None:
472
set_client_prop_ms("ApprovalDelay",
473
options.approval_delay)
474
if options.approval_duration is not None:
475
set_client_prop_ms("ApprovalDuration",
476
options.approval_duration)
477
if options.timeout is not None:
478
set_client_prop_ms("Timeout", options.timeout)
479
if options.extended_timeout is not None:
480
set_client_prop_ms("ExtendedTimeout",
481
options.extended_timeout)
482
if options.secret is not None:
483
set_client_prop("Secret",
484
dbus.ByteArray(options.secret.read()))
485
if options.approved_by_default is not None:
486
set_client_prop("ApprovedByDefault",
488
.approved_by_default))
490
client.Approve(dbus.Boolean(True),
491
dbus_interface=client_interface)
493
client.Approve(dbus.Boolean(False),
494
dbus_interface=client_interface)
497
if __name__ == "__main__":