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 *
4
from __future__ import division
7
from optparse import OptionParser
45
if sys.version_info.major == 2:
48
locale.setlocale(locale.LC_ALL, "")
13
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"
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"
79
dbus.OBJECT_MANAGER_IFACE
80
except AttributeError:
81
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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
'Checker': u'Checker',
28
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
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))
83
42
def milliseconds_to_string(ms):
84
43
td = datetime.timedelta(0, 0, 0, ms)
85
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
86
days = "{}T".format(td.days) if td.days else "",
87
hours = td.seconds // 3600,
88
minutes = (td.seconds % 3600) // 60,
89
seconds = td.seconds % 60))
92
def rfc3339_duration_to_delta(duration):
93
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
95
>>> rfc3339_duration_to_delta("P7D")
97
>>> rfc3339_duration_to_delta("PT60S")
98
datetime.timedelta(0, 60)
99
>>> rfc3339_duration_to_delta("PT60M")
100
datetime.timedelta(0, 3600)
101
>>> rfc3339_duration_to_delta("PT24H")
102
datetime.timedelta(1)
103
>>> rfc3339_duration_to_delta("P1W")
104
datetime.timedelta(7)
105
>>> rfc3339_duration_to_delta("PT5M30S")
106
datetime.timedelta(0, 330)
107
>>> rfc3339_duration_to_delta("P1DT3M20S")
108
datetime.timedelta(1, 200)
111
# Parsing an RFC 3339 duration with regular expressions is not
112
# possible - there would have to be multiple places for the same
113
# values, like seconds. The current code, while more esoteric, is
114
# cleaner without depending on a parsing library. If Python had a
115
# built-in library for parsing we would use it, but we'd like to
116
# avoid excessive use of external libraries.
118
# New type for defining tokens, syntax, and semantics all-in-one
119
Token = collections.namedtuple("Token", (
120
"regexp", # To match token; if "value" is not None, must have
121
# a "group" containing digits
122
"value", # datetime.timedelta or None
123
"followers")) # Tokens valid after this token
124
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
125
# the "duration" ABNF definition in RFC 3339, Appendix A.
126
token_end = Token(re.compile(r"$"), None, frozenset())
127
token_second = Token(re.compile(r"(\d+)S"),
128
datetime.timedelta(seconds=1),
129
frozenset((token_end, )))
130
token_minute = Token(re.compile(r"(\d+)M"),
131
datetime.timedelta(minutes=1),
132
frozenset((token_second, token_end)))
133
token_hour = Token(re.compile(r"(\d+)H"),
134
datetime.timedelta(hours=1),
135
frozenset((token_minute, token_end)))
136
token_time = Token(re.compile(r"T"),
138
frozenset((token_hour, token_minute,
140
token_day = Token(re.compile(r"(\d+)D"),
141
datetime.timedelta(days=1),
142
frozenset((token_time, token_end)))
143
token_month = Token(re.compile(r"(\d+)M"),
144
datetime.timedelta(weeks=4),
145
frozenset((token_day, token_end)))
146
token_year = Token(re.compile(r"(\d+)Y"),
147
datetime.timedelta(weeks=52),
148
frozenset((token_month, token_end)))
149
token_week = Token(re.compile(r"(\d+)W"),
150
datetime.timedelta(weeks=1),
151
frozenset((token_end, )))
152
token_duration = Token(re.compile(r"P"), None,
153
frozenset((token_year, token_month,
154
token_day, token_time,
156
# Define starting values
157
value = datetime.timedelta() # Value so far
159
followers = frozenset((token_duration, )) # Following valid tokens
160
s = duration # String left to parse
161
# Loop until end token is found
162
while found_token is not token_end:
163
# Search for any currently valid tokens
164
for token in followers:
165
match = token.regexp.match(s)
166
if match is not None:
168
if token.value is not None:
169
# Value found, parse digits
170
factor = int(match.group(1), 10)
171
# Add to value so far
172
value += factor * token.value
173
# Strip token from string
174
s = token.regexp.sub("", s, 1)
177
# Set valid next tokens
178
followers = found_token.followers
181
# No currently valid tokens were found
182
raise ValueError("Invalid RFC 3339 duration: {!r}"
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,
188
52
def string_to_delta(interval):
189
53
"""Parse a string and return a datetime.timedelta
191
55
>>> string_to_delta('7d')
192
56
datetime.timedelta(7)
193
57
>>> string_to_delta('60s')
196
60
datetime.timedelta(0, 3600)
197
61
>>> string_to_delta('24h')
198
62
datetime.timedelta(1)
199
>>> string_to_delta('1w')
63
>>> string_to_delta(u'1w')
200
64
datetime.timedelta(7)
201
65
>>> string_to_delta('5m 30s')
202
66
datetime.timedelta(0, 330)
206
return rfc3339_duration_to_delta(interval)
210
value = datetime.timedelta(0)
211
regexp = re.compile(r"(\d+)([dsmhw]?)")
213
for num, suffix in regexp.findall(interval):
215
value += datetime.timedelta(int(num))
217
value += datetime.timedelta(0, int(num))
219
value += datetime.timedelta(0, 0, 0, 0, int(num))
221
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
223
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
225
value += datetime.timedelta(0, 0, 0, int(num))
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):
229
92
def print_clients(clients, keywords):
230
93
def valuetostring(value, keyword):
231
94
if type(value) is dbus.Boolean:
232
return "Yes" if value else "No"
233
if keyword in ("Timeout", "Interval", "ApprovalDelay",
234
"ApprovalDuration", "ExtendedTimeout"):
95
return u"Yes" if value else u"No"
96
if keyword in (u"Timeout", u"Interval"):
235
97
return milliseconds_to_string(value)
238
100
# Create format string to print table rows
239
format_string = " ".join("{{{key}:{width}}}".format(
240
width = max(len(tablewords[key]),
241
max(len(valuetostring(client[key], key))
242
for client in clients)),
101
format_string = u' '.join(u'%%-%ds' %
102
max(len(tablewords[key]),
103
max(len(valuetostring(client[key],
245
108
# Print header line
246
print(format_string.format(**tablewords))
109
print format_string % tuple(tablewords[key] for key in keywords)
247
110
for client in clients:
248
print(format_string.format(**{
249
key: valuetostring(client[key], key)
250
for key in keywords }))
111
print format_string % tuple(valuetostring(client[key], key)
253
114
def has_actions(options):
254
115
return any((options.enable,
261
122
options.checker is not None,
262
123
options.timeout is not None,
263
options.extended_timeout is not None,
264
124
options.interval is not None,
265
options.approved_by_default is not None,
266
options.approval_delay is not None,
267
options.approval_duration is not None,
268
125
options.host is not None,
269
126
options.secret is not None,
275
parser = argparse.ArgumentParser()
276
parser.add_argument("--version", action="version",
277
version = "%(prog)s {}".format(version),
278
help="show version number and exit")
279
parser.add_argument("-a", "--all", action="store_true",
280
help="Select all clients")
281
parser.add_argument("-v", "--verbose", action="store_true",
282
help="Print all fields")
283
parser.add_argument("-e", "--enable", action="store_true",
284
help="Enable client")
285
parser.add_argument("-d", "--disable", action="store_true",
286
help="disable client")
287
parser.add_argument("-b", "--bump-timeout", action="store_true",
288
help="Bump timeout for client")
289
parser.add_argument("--start-checker", action="store_true",
290
help="Start checker for client")
291
parser.add_argument("--stop-checker", action="store_true",
292
help="Stop checker for client")
293
parser.add_argument("-V", "--is-enabled", action="store_true",
294
help="Check if client is enabled")
295
parser.add_argument("-r", "--remove", action="store_true",
296
help="Remove client")
297
parser.add_argument("-c", "--checker",
298
help="Set checker command for client")
299
parser.add_argument("-t", "--timeout",
300
help="Set timeout for client")
301
parser.add_argument("--extended-timeout",
302
help="Set extended timeout for client")
303
parser.add_argument("-i", "--interval",
304
help="Set checker interval for client")
305
parser.add_argument("--approve-by-default", action="store_true",
306
default=None, dest="approved_by_default",
307
help="Set client to be approved by default")
308
parser.add_argument("--deny-by-default", action="store_false",
309
dest="approved_by_default",
310
help="Set client to be denied by default")
311
parser.add_argument("--approval-delay",
312
help="Set delay before client approve/deny")
313
parser.add_argument("--approval-duration",
314
help="Set duration of one client approval")
315
parser.add_argument("-H", "--host", help="Set host for client")
316
parser.add_argument("-s", "--secret",
317
type=argparse.FileType(mode="rb"),
318
help="Set password blob (file) for client")
319
parser.add_argument("-A", "--approve", action="store_true",
320
help="Approve any current client request")
321
parser.add_argument("-D", "--deny", action="store_true",
322
help="Deny any current client request")
323
parser.add_argument("--check", action="store_true",
324
help="Run self-test")
325
parser.add_argument("client", nargs="*", help="Client name")
326
options = parser.parse_args()
131
parser = OptionParser(version = "%%prog %s" % version)
132
parser.add_option("-a", "--all", action="store_true",
133
help="Select all clients")
134
parser.add_option("-v", "--verbose", action="store_true",
135
help="Print all fields")
136
parser.add_option("-e", "--enable", action="store_true",
137
help="Enable client")
138
parser.add_option("-d", "--disable", action="store_true",
139
help="disable client")
140
parser.add_option("-b", "--bump-timeout", action="store_true",
141
help="Bump timeout for client")
142
parser.add_option("--start-checker", action="store_true",
143
help="Start checker for client")
144
parser.add_option("--stop-checker", action="store_true",
145
help="Stop checker for client")
146
parser.add_option("-V", "--is-enabled", action="store_true",
147
help="Check if client is enabled")
148
parser.add_option("-r", "--remove", action="store_true",
149
help="Remove client")
150
parser.add_option("-c", "--checker", type="string",
151
help="Set checker command for client")
152
parser.add_option("-t", "--timeout", type="string",
153
help="Set timeout for client")
154
parser.add_option("-i", "--interval", type="string",
155
help="Set checker interval for client")
156
parser.add_option("-H", "--host", type="string",
157
help="Set host for client")
158
parser.add_option("-s", "--secret", type="string",
159
help="Set password blob (file) for client")
160
parser.add_option("-A", "--approve", action="store_true",
161
help="Approve any current client request")
162
parser.add_option("-D", "--deny", action="store_true",
163
help="Deny any current client request")
164
options, client_names = parser.parse_args()
166
if has_actions(options) and not client_names and not options.all:
167
parser.error('Options requires clients names or --all.')
168
if options.verbose and has_actions(options):
169
parser.error('Verbose option can only be used alone or with --all.')
170
if options.all and not has_actions(options):
171
parser.error('--all requires an action')
174
bus = dbus.SystemBus()
175
mandos_dbus_objc = bus.get_object(busname, server_path)
176
except dbus.exceptions.DBusException:
177
print >> sys.stderr, "Could not connect to Mandos server"
328
if has_actions(options) and not (options.client or options.all):
329
parser.error("Options require clients names or --all.")
330
if options.verbose and has_actions(options):
331
parser.error("--verbose can only be used alone or with"
333
if options.all and not has_actions(options):
334
parser.error("--all requires an action.")
180
mandos_serv = dbus.Interface(mandos_dbus_objc,
181
dbus_interface = server_interface)
337
fail_count, test_count = doctest.testmod()
338
sys.exit(os.EX_OK if fail_count == 0 else 1)
341
bus = dbus.SystemBus()
342
mandos_dbus_objc = bus.get_object(busname, server_path)
343
except dbus.exceptions.DBusException:
344
print("Could not connect to Mandos server", file=sys.stderr)
347
mandos_serv = dbus.Interface(mandos_dbus_objc,
348
dbus_interface = server_interface)
349
mandos_serv_object_manager = dbus.Interface(
350
mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
352
#block stderr since dbus library prints to stderr
353
null = os.open(os.path.devnull, os.O_RDWR)
354
stderrcopy = os.dup(sys.stderr.fileno())
355
os.dup2(null, sys.stderr.fileno())
183
#block stderr since dbus library prints to stderr
184
null = os.open(os.path.devnull, os.O_RDWR)
185
stderrcopy = os.dup(sys.stderr.fileno())
186
os.dup2(null, sys.stderr.fileno())
359
mandos_clients = { path: ifs_and_props[client_interface]
360
for path, ifs_and_props in
361
mandos_serv_object_manager
362
.GetManagedObjects().items()
363
if client_interface in ifs_and_props }
366
os.dup2(stderrcopy, sys.stderr.fileno())
368
except dbus.exceptions.DBusException as e:
369
print("Access denied: Accessing mandos server through D-Bus: {}"
370
.format(e), file=sys.stderr)
373
# Compile dict of (clients: properties) to process
376
if options.all or not options.client:
377
clients = { bus.get_object(busname, path): properties
378
for path, properties in mandos_clients.items() }
380
for name in options.client:
381
for path, client in mandos_clients.items():
382
if client["Name"] == name:
383
client_objc = bus.get_object(busname, path)
384
clients[client_objc] = client
190
mandos_clients = mandos_serv.GetAllClientsWithProperties()
193
os.dup2(stderrcopy, sys.stderr.fileno())
195
except dbus.exceptions.DBusException, e:
196
print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
199
# Compile dict of (clients: properties) to process
202
if options.all or not client_names:
203
clients = dict((bus.get_object(busname, path), properties)
204
for path, properties in
205
mandos_clients.iteritems())
207
for name in client_names:
208
for path, client in mandos_clients.iteritems():
209
if client['Name'] == name:
210
client_objc = bus.get_object(busname, path)
211
clients[client_objc] = client
214
print >> sys.stderr, "Client not found on server: %r" % name
217
if not has_actions(options) and clients:
219
keywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK',
220
'Created', 'Interval', 'Host', 'Fingerprint',
221
'CheckerRunning', 'LastEnabled', 'Checker')
387
print("Client not found on server: {!r}"
388
.format(name), file=sys.stderr)
391
if not has_actions(options) and clients:
393
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
394
"Created", "Interval", "Host", "Fingerprint",
395
"CheckerRunning", "LastEnabled",
396
"ApprovalPending", "ApprovedByDefault",
397
"LastApprovalRequest", "ApprovalDelay",
398
"ApprovalDuration", "Checker",
223
keywords = defaultkeywords
225
print_clients(clients.values(), keywords)
401
keywords = defaultkeywords
403
print_clients(clients.values(), keywords)
405
# Process each client in the list by all selected options
406
for client in clients:
408
def set_client_prop(prop, value):
409
"""Set a Client D-Bus property"""
410
client.Set(client_interface, prop, value,
411
dbus_interface=dbus.PROPERTIES_IFACE)
413
def set_client_prop_ms(prop, value):
414
"""Set a Client D-Bus property, converted
415
from a string to milliseconds."""
416
set_client_prop(prop,
417
string_to_delta(value).total_seconds()
421
mandos_serv.RemoveClient(client.__dbus_object_path__)
423
set_client_prop("Enabled", dbus.Boolean(True))
425
set_client_prop("Enabled", dbus.Boolean(False))
426
if options.bump_timeout:
427
set_client_prop("LastCheckedOK", "")
428
if options.start_checker:
429
set_client_prop("CheckerRunning", dbus.Boolean(True))
430
if options.stop_checker:
431
set_client_prop("CheckerRunning", dbus.Boolean(False))
432
if options.is_enabled:
433
sys.exit(0 if client.Get(client_interface,
436
dbus.PROPERTIES_IFACE)
438
if options.checker is not None:
439
set_client_prop("Checker", options.checker)
440
if options.host is not None:
441
set_client_prop("Host", options.host)
442
if options.interval is not None:
443
set_client_prop_ms("Interval", options.interval)
444
if options.approval_delay is not None:
445
set_client_prop_ms("ApprovalDelay",
446
options.approval_delay)
447
if options.approval_duration is not None:
448
set_client_prop_ms("ApprovalDuration",
449
options.approval_duration)
450
if options.timeout is not None:
451
set_client_prop_ms("Timeout", options.timeout)
452
if options.extended_timeout is not None:
453
set_client_prop_ms("ExtendedTimeout",
454
options.extended_timeout)
455
if options.secret is not None:
456
set_client_prop("Secret",
457
dbus.ByteArray(options.secret.read()))
458
if options.approved_by_default is not None:
459
set_client_prop("ApprovedByDefault",
461
.approved_by_default))
463
client.Approve(dbus.Boolean(True),
464
dbus_interface=client_interface)
466
client.Approve(dbus.Boolean(False),
467
dbus_interface=client_interface)
470
if __name__ == "__main__":
227
# Process each client in the list by all selected options
228
for client in clients:
230
mandos_serv.RemoveClient(client.__dbus_object_path__)
232
client.Enable(dbus_interface=client_interface)
234
client.Disable(dbus_interface=client_interface)
235
if options.bump_timeout:
236
client.CheckedOK(dbus_interface=client_interface)
237
if options.start_checker:
238
client.StartChecker(dbus_interface=client_interface)
239
if options.stop_checker:
240
client.StopChecker(dbus_interface=client_interface)
241
if options.is_enabled:
242
sys.exit(0 if client.Get(client_interface,
244
dbus_interface=dbus.PROPERTIES_IFACE)
247
client.Set(client_interface, u"Checker", options.checker,
248
dbus_interface=dbus.PROPERTIES_IFACE)
250
client.Set(client_interface, u"Host", options.host,
251
dbus_interface=dbus.PROPERTIES_IFACE)
253
client.Set(client_interface, u"Interval",
254
timedelta_to_milliseconds
255
(string_to_delta(options.interval)),
256
dbus_interface=dbus.PROPERTIES_IFACE)
258
client.Set(client_interface, u"Timeout",
259
timedelta_to_milliseconds(string_to_delta
261
dbus_interface=dbus.PROPERTIES_IFACE)
263
client.Set(client_interface, u"Secret",
264
dbus.ByteArray(open(options.secret, u'rb').read()),
265
dbus_interface=dbus.PROPERTIES_IFACE)
267
client.Approve(dbus.Boolean(True), dbus_interface=client_interface)
269
client.Approve(dbus.Boolean(False), dbus_interface=client_interface)
271
if __name__ == '__main__':