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- Committer: Teddy Hogeborn
- Date: 2017-08-20 14:14:14 UTC
- mto: (237.7.594 trunk)
- mto: This revision was merged to the branch mainline in revision 360.
- Revision ID: teddy@recompile.se-20170820141414-m034xuebg7ccaeui
Add some more restrictions to the systemd service file.
* mandos.service ([Service]/ProtectKernelTunables): New; set to "yes".
([Service]/ProtectControlGroups): - '' -
* mandos.service ([Service]/ProtectKernelTunables): New; set to "yes".
([Service]/ProtectControlGroups): - '' -
- files added:
- DBUS-API
- debian/source
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-ctl
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
4
from __future__ import division
3
#
4
# Mandos Monitor - Control and monitor the Mandos server
5
#
6
# Copyright © 2008-2017 Teddy Hogeborn
7
# Copyright © 2008-2017 Björn Påhlsson
8
#
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.
13
#
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.
18
#
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/>.
22
#
23
# Contact the authors at <mandos@recompile.se>.
24
#
25
26
from __future__ import (division, absolute_import, print_function,
27
unicode_literals)
28
29
try:
30
from future_builtins import *
31
except ImportError:
32
pass
33
5
34
import sys
6
import dbus
7
from optparse import OptionParser
35
import argparse
8
36
import locale
9
37
import datetime
10
38
import re
11
12
locale.setlocale(locale.LC_ALL, u'')
39
import os
40
import collections
41
import json
42
43
import dbus
44
45
if sys.version_info.major == 2:
46
str = unicode
47
48
locale.setlocale(locale.LC_ALL, "")
13
49
14
50
tablewords = {
15
'name': u'Name',
16
'enabled': u'Enabled',
17
'timeout': u'Timeout',
18
'last_checked_ok': u'Last Successful Check',
19
'created': u'Created',
20
'interval': u'Interval',
21
'host': u'Host',
22
'fingerprint': u'Fingerprint',
23
'checker_running': u'Check Is Running',
24
'last_enabled': u'Last Enabled',
25
'checker': u'Checker',
26
}
27
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
28
'checker')
29
domain = 'se.bsnet.fukt'
30
busname = domain + '.Mandos'
31
server_path = '/'
32
server_interface = domain + '.Mandos'
33
client_interface = domain + '.Mandos.Client'
34
version = "1.0.8"
35
bus = dbus.SystemBus()
36
mandos_dbus_objc = bus.get_object(busname, server_path)
37
mandos_serv = dbus.Interface(mandos_dbus_objc,
38
dbus_interface = server_interface)
39
mandos_clients = mandos_serv.GetAllClientsWithProperties()
40
41
def datetime_to_milliseconds(dt):
42
"Return the 'timeout' attribute in milliseconds"
43
return ((dt.days * 24 * 60 * 60 * 1000)
44
+ (dt.seconds * 1000)
45
+ (dt.microseconds // 1000))
51
"Name": "Name",
52
"Enabled": "Enabled",
53
"Timeout": "Timeout",
54
"LastCheckedOK": "Last Successful Check",
55
"LastApprovalRequest": "Last Approval Request",
56
"Created": "Created",
57
"Interval": "Interval",
58
"Host": "Host",
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",
66
"Checker": "Checker",
67
"ExtendedTimeout": "Extended Timeout",
68
"Expires": "Expires",
69
"LastCheckerStatus": "Last Checker Status",
70
}
71
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
72
domain = "se.recompile"
73
busname = domain + ".Mandos"
74
server_path = "/"
75
server_interface = domain + ".Mandos"
76
client_interface = domain + ".Mandos.Client"
77
version = "1.7.15"
78
79
80
try:
81
dbus.OBJECT_MANAGER_IFACE
82
except AttributeError:
83
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
84
46
85
47
86
def milliseconds_to_string(ms):
48
87
td = datetime.timedelta(0, 0, 0, ms)
49
return "%s%02d:%02d:%02d" % (("%dT" % td.days) if td.days else "", # days
50
td.seconds // 3600, # hours
51
(td.seconds % 3600) // 60, # minutes
52
(td.seconds % 60)) # seconds
88
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
89
.format(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))
93
94
95
def rfc3339_duration_to_delta(duration):
96
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
97
98
>>> rfc3339_duration_to_delta("P7D")
99
datetime.timedelta(7)
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)
112
"""
113
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.
120
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"),
140
None,
141
frozenset((token_hour, token_minute,
142
token_second)))
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,
158
token_week)))
159
# Define starting values:
160
# Value so far
161
value = datetime.timedelta()
162
found_token = None
163
# Following valid tokens
164
followers = frozenset((token_duration, ))
165
# String left to parse
166
s = duration
167
# Loop until end token is found
168
while found_token is not token_end:
169
# Search for any currently valid tokens
170
for token in followers:
171
match = token.regexp.match(s)
172
if match is not None:
173
# Token found
174
if token.value is not None:
175
# Value found, parse digits
176
factor = int(match.group(1), 10)
177
# Add to value so far
178
value += factor * token.value
179
# Strip token from string
180
s = token.regexp.sub("", s, 1)
181
# Go to found token
182
found_token = token
183
# Set valid next tokens
184
followers = found_token.followers
185
break
186
else:
187
# No currently valid tokens were found
188
raise ValueError("Invalid RFC 3339 duration: {!r}"
189
.format(duration))
190
# End token found
191
return value
53
192
54
193
55
194
def string_to_delta(interval):
63
202
datetime.timedelta(0, 3600)
64
203
>>> string_to_delta('24h')
65
204
datetime.timedelta(1)
66
>>> string_to_delta(u'1w')
205
>>> string_to_delta('1w')
67
206
datetime.timedelta(7)
68
207
>>> string_to_delta('5m 30s')
69
208
datetime.timedelta(0, 330)
70
209
"""
71
timevalue = datetime.timedelta(0)
72
regexp = re.compile("\d+[dsmhw]")
73
74
for s in regexp.findall(interval):
75
try:
76
suffix = unicode(s[-1])
77
value = int(s[:-1])
78
if suffix == u"d":
79
delta = datetime.timedelta(value)
80
elif suffix == u"s":
81
delta = datetime.timedelta(0, value)
82
elif suffix == u"m":
83
delta = datetime.timedelta(0, 0, 0, 0, value)
84
elif suffix == u"h":
85
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
86
elif suffix == u"w":
87
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
88
else:
89
raise ValueError
90
except (ValueError, IndexError):
91
raise ValueError
92
timevalue += delta
93
return timevalue
94
95
def print_clients(clients):
210
211
try:
212
return rfc3339_duration_to_delta(interval)
213
except ValueError:
214
pass
215
216
value = datetime.timedelta(0)
217
regexp = re.compile(r"(\d+)([dsmhw]?)")
218
219
for num, suffix in regexp.findall(interval):
220
if suffix == "d":
221
value += datetime.timedelta(int(num))
222
elif suffix == "s":
223
value += datetime.timedelta(0, int(num))
224
elif suffix == "m":
225
value += datetime.timedelta(0, 0, 0, 0, int(num))
226
elif suffix == "h":
227
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
228
elif suffix == "w":
229
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
230
elif suffix == "":
231
value += datetime.timedelta(0, 0, 0, int(num))
232
return value
233
234
235
def print_clients(clients, keywords):
96
236
def valuetostring(value, keyword):
97
237
if type(value) is dbus.Boolean:
98
return u"Yes" if value else u"No"
99
if keyword in ("timeout", "interval"):
238
return "Yes" if value else "No"
239
if keyword in ("Timeout", "Interval", "ApprovalDelay",
240
"ApprovalDuration", "ExtendedTimeout"):
100
241
return milliseconds_to_string(value)
101
return unicode(value)
102
103
format_string = u' '.join(u'%%-%ds' %
104
max(len(tablewords[key]),
105
max(len(valuetostring(client[key], key))
106
for client in
107
clients))
108
for key in keywords)
109
print format_string % tuple(tablewords[key] for key in keywords)
242
return str(value)
243
244
# Create format string to print table rows
245
format_string = " ".join("{{{key}:{width}}}".format(
246
width=max(len(tablewords[key]),
247
max(len(valuetostring(client[key], key))
248
for client in clients)),
249
key=key)
250
for key in keywords)
251
# Print header line
252
print(format_string.format(**tablewords))
110
253
for client in clients:
111
print format_string % tuple(valuetostring(client[key], key)
112
for key in keywords)
113
114
parser = OptionParser(version = "%%prog %s" % version)
115
parser.add_option("-a", "--all", action="store_true",
116
help="Print all fields")
117
parser.add_option("-e", "--enable", action="store_true",
118
help="Enable client")
119
parser.add_option("-d", "--disable", action="store_true",
120
help="disable client")
121
parser.add_option("-b", "--bump-timeout", action="store_true",
122
help="Bump timeout for client")
123
parser.add_option("--start-checker", action="store_true",
124
help="Start checker for client")
125
parser.add_option("--stop-checker", action="store_true",
126
help="Stop checker for client")
127
parser.add_option("-V", "--is-valid", action="store_true",
128
help="Check if client is still valid")
129
parser.add_option("-r", "--remove", action="store_true",
130
help="Remove client")
131
parser.add_option("-c", "--checker", type="string",
132
help="Set checker command for client")
133
parser.add_option("-t", "--timeout", type="string",
134
help="Set timeout for client")
135
parser.add_option("-i", "--interval", type="string",
136
help="Set checker interval for client")
137
parser.add_option("-H", "--host", type="string",
138
help="Set host for client")
139
parser.add_option("-s", "--secret", type="string",
140
help="Set password blob (file) for client")
141
options, client_names = parser.parse_args()
142
143
# Compile list of clients to process
144
clients=[]
145
for name in client_names:
146
for path, client in mandos_clients.iteritems():
147
if client['name'] == name:
148
client_objc = bus.get_object(busname, path)
149
clients.append(dbus.Interface(client_objc,
150
dbus_interface
151
= client_interface))
152
break
153
else:
154
print >> sys.stderr, "Client not found on server: %r" % name
155
sys.exit(1)
156
157
if not clients and mandos_clients.values():
158
keywords = defaultkeywords
159
if options.all:
160
keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
161
'created', 'interval', 'host', 'fingerprint',
162
'checker_running', 'last_enabled', 'checker')
163
print_clients(mandos_clients.values())
164
165
# Process each client in the list by all selected options
166
for client in clients:
167
if options.remove:
168
mandos_serv.RemoveClient(client.__dbus_object_path__)
169
if options.enable:
170
client.Enable()
171
if options.disable:
172
client.Disable()
173
if options.bump_timeout:
174
client.BumpTimeout()
175
if options.start_checker:
176
client.StartChecker()
177
if options.stop_checker:
178
client.StopChecker()
179
if options.is_valid:
180
sys.exit(0 if client.IsStillValid() else 1)
181
if options.checker:
182
client.SetChecker(options.checker)
183
if options.host:
184
client.SetHost(options.host)
185
if options.interval:
186
client.SetInterval(datetime_to_milliseconds
187
(string_to_delta(options.interval)))
188
if options.timeout:
189
client.SetTimeout(datetime_to_milliseconds
190
(string_to_delta(options.timeout)))
191
if options.secret:
192
client.SetSecret(dbus.ByteArray(open(options.secret, 'rb').read()))
193
254
print(format_string
255
.format(**{key: valuetostring(client[key], key)
256
for key in keywords}))
257
258
259
def has_actions(options):
260
return any((options.enable,
261
options.disable,
262
options.bump_timeout,
263
options.start_checker,
264
options.stop_checker,
265
options.is_enabled,
266
options.remove,
267
options.checker is not None,
268
options.timeout is not None,
269
options.extended_timeout is not None,
270
options.interval is not None,
271
options.approved_by_default is not None,
272
options.approval_delay is not None,
273
options.approval_duration is not None,
274
options.host is not None,
275
options.secret is not None,
276
options.approve,
277
options.deny))
278
279
280
def main():
281
parser = argparse.ArgumentParser()
282
parser.add_argument("--version", action="version",
283
version="%(prog)s {}".format(version),
284
help="show version number and exit")
285
parser.add_argument("-a", "--all", action="store_true",
286
help="Select all clients")
287
parser.add_argument("-v", "--verbose", action="store_true",
288
help="Print all fields")
289
parser.add_argument("-j", "--dump-json", action="store_true",
290
help="Dump client data in JSON format")
291
parser.add_argument("-e", "--enable", action="store_true",
292
help="Enable client")
293
parser.add_argument("-d", "--disable", action="store_true",
294
help="disable client")
295
parser.add_argument("-b", "--bump-timeout", action="store_true",
296
help="Bump timeout for client")
297
parser.add_argument("--start-checker", action="store_true",
298
help="Start checker for client")
299
parser.add_argument("--stop-checker", action="store_true",
300
help="Stop checker for client")
301
parser.add_argument("-V", "--is-enabled", action="store_true",
302
help="Check if client is enabled")
303
parser.add_argument("-r", "--remove", action="store_true",
304
help="Remove client")
305
parser.add_argument("-c", "--checker",
306
help="Set checker command for client")
307
parser.add_argument("-t", "--timeout",
308
help="Set timeout for client")
309
parser.add_argument("--extended-timeout",
310
help="Set extended timeout for client")
311
parser.add_argument("-i", "--interval",
312
help="Set checker interval for client")
313
parser.add_argument("--approve-by-default", action="store_true",
314
default=None, dest="approved_by_default",
315
help="Set client to be approved by default")
316
parser.add_argument("--deny-by-default", action="store_false",
317
dest="approved_by_default",
318
help="Set client to be denied by default")
319
parser.add_argument("--approval-delay",
320
help="Set delay before client approve/deny")
321
parser.add_argument("--approval-duration",
322
help="Set duration of one client approval")
323
parser.add_argument("-H", "--host", help="Set host for client")
324
parser.add_argument("-s", "--secret",
325
type=argparse.FileType(mode="rb"),
326
help="Set password blob (file) for client")
327
parser.add_argument("-A", "--approve", action="store_true",
328
help="Approve any current client request")
329
parser.add_argument("-D", "--deny", action="store_true",
330
help="Deny any current client request")
331
parser.add_argument("--check", action="store_true",
332
help="Run self-test")
333
parser.add_argument("client", nargs="*", help="Client name")
334
options = parser.parse_args()
335
336
if has_actions(options) and not (options.client or options.all):
337
parser.error("Options require clients names or --all.")
338
if options.verbose and has_actions(options):
339
parser.error("--verbose can only be used alone.")
340
if options.dump_json and (options.verbose
341
or has_actions(options)):
342
parser.error("--dump-json can only be used alone.")
343
if options.all and not has_actions(options):
344
parser.error("--all requires an action.")
345
346
if options.check:
347
import doctest
348
fail_count, test_count = doctest.testmod()
349
sys.exit(os.EX_OK if fail_count == 0 else 1)
350
351
try:
352
bus = dbus.SystemBus()
353
mandos_dbus_objc = bus.get_object(busname, server_path)
354
except dbus.exceptions.DBusException:
355
print("Could not connect to Mandos server", file=sys.stderr)
356
sys.exit(1)
357
358
mandos_serv = dbus.Interface(mandos_dbus_objc,
359
dbus_interface=server_interface)
360
mandos_serv_object_manager = dbus.Interface(
361
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
362
363
# block stderr since dbus library prints to stderr
364
null = os.open(os.path.devnull, os.O_RDWR)
365
stderrcopy = os.dup(sys.stderr.fileno())
366
os.dup2(null, sys.stderr.fileno())
367
os.close(null)
368
try:
369
try:
370
mandos_clients = {path: ifs_and_props[client_interface]
371
for path, ifs_and_props in
372
mandos_serv_object_manager
373
.GetManagedObjects().items()
374
if client_interface in ifs_and_props}
375
finally:
376
# restore stderr
377
os.dup2(stderrcopy, sys.stderr.fileno())
378
os.close(stderrcopy)
379
except dbus.exceptions.DBusException as e:
380
print("Access denied: "
381
"Accessing mandos server through D-Bus: {}".format(e),
382
file=sys.stderr)
383
sys.exit(1)
384
385
# Compile dict of (clients: properties) to process
386
clients = {}
387
388
if options.all or not options.client:
389
clients = {bus.get_object(busname, path): properties
390
for path, properties in mandos_clients.items()}
391
else:
392
for name in options.client:
393
for path, client in mandos_clients.items():
394
if client["Name"] == name:
395
client_objc = bus.get_object(busname, path)
396
clients[client_objc] = client
397
break
398
else:
399
print("Client not found on server: {!r}"
400
.format(name), file=sys.stderr)
401
sys.exit(1)
402
403
if not has_actions(options) and clients:
404
if options.verbose or options.dump_json:
405
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
406
"Created", "Interval", "Host", "Fingerprint",
407
"CheckerRunning", "LastEnabled",
408
"ApprovalPending", "ApprovedByDefault",
409
"LastApprovalRequest", "ApprovalDelay",
410
"ApprovalDuration", "Checker",
411
"ExtendedTimeout", "Expires",
412
"LastCheckerStatus")
413
else:
414
keywords = defaultkeywords
415
416
if options.dump_json:
417
json.dump({client["Name"]: {key:
418
bool(client[key])
419
if isinstance(client[key],
420
dbus.Boolean)
421
else client[key]
422
for key in keywords}
423
for client in clients.values()},
424
fp=sys.stdout, indent=4,
425
separators=(',', ': '))
426
print()
427
else:
428
print_clients(clients.values(), keywords)
429
else:
430
# Process each client in the list by all selected options
431
for client in clients:
432
433
def set_client_prop(prop, value):
434
"""Set a Client D-Bus property"""
435
client.Set(client_interface, prop, value,
436
dbus_interface=dbus.PROPERTIES_IFACE)
437
438
def set_client_prop_ms(prop, value):
439
"""Set a Client D-Bus property, converted
440
from a string to milliseconds."""
441
set_client_prop(prop,
442
string_to_delta(value).total_seconds()
443
* 1000)
444
445
if options.remove:
446
mandos_serv.RemoveClient(client.__dbus_object_path__)
447
if options.enable:
448
set_client_prop("Enabled", dbus.Boolean(True))
449
if options.disable:
450
set_client_prop("Enabled", dbus.Boolean(False))
451
if options.bump_timeout:
452
set_client_prop("LastCheckedOK", "")
453
if options.start_checker:
454
set_client_prop("CheckerRunning", dbus.Boolean(True))
455
if options.stop_checker:
456
set_client_prop("CheckerRunning", dbus.Boolean(False))
457
if options.is_enabled:
458
if client.Get(client_interface, "Enabled",
459
dbus_interface=dbus.PROPERTIES_IFACE):
460
sys.exit(0)
461
else:
462
sys.exit(1)
463
if options.checker is not None:
464
set_client_prop("Checker", options.checker)
465
if options.host is not None:
466
set_client_prop("Host", options.host)
467
if options.interval is not None:
468
set_client_prop_ms("Interval", options.interval)
469
if options.approval_delay is not None:
470
set_client_prop_ms("ApprovalDelay",
471
options.approval_delay)
472
if options.approval_duration is not None:
473
set_client_prop_ms("ApprovalDuration",
474
options.approval_duration)
475
if options.timeout is not None:
476
set_client_prop_ms("Timeout", options.timeout)
477
if options.extended_timeout is not None:
478
set_client_prop_ms("ExtendedTimeout",
479
options.extended_timeout)
480
if options.secret is not None:
481
set_client_prop("Secret",
482
dbus.ByteArray(options.secret.read()))
483
if options.approved_by_default is not None:
484
set_client_prop("ApprovedByDefault",
485
dbus.Boolean(options
486
.approved_by_default))
487
if options.approve:
488
client.Approve(dbus.Boolean(True),
489
dbus_interface=client_interface)
490
elif options.deny:
491
client.Approve(dbus.Boolean(False),
492
dbus_interface=client_interface)
493
494
495
if __name__ == "__main__":
496
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0