2
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
2
# -*- mode: python; coding: utf-8 -*-
4
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2008-2019 Teddy Hogeborn
7
# Copyright © 2008-2019 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
6
# Copyright © 2008-2011 Teddy Hogeborn
7
# Copyright © 2008-2011 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
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (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
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
17
# GNU General Public License for more details.
21
19
# You should have received a copy of the GNU General Public License
22
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
24
22
# Contact the authors at <mandos@recompile.se>.
27
25
from __future__ import (division, absolute_import, print_function,
31
from future_builtins import *
48
# Show warnings by default
49
if not sys.warnoptions:
51
warnings.simplefilter("default")
53
log = logging.getLogger(sys.argv[0])
54
logging.basicConfig(level="INFO", # Show info level messages
55
format="%(message)s") # Show basic log messages
57
logging.captureWarnings(True) # Show warnings via the logging system
59
if sys.version_info.major == 2:
62
36
locale.setlocale(locale.LC_ALL, "")
79
52
"ApprovalDelay": "Approval Delay",
80
53
"ApprovalDuration": "Approval Duration",
81
54
"Checker": "Checker",
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
55
"ExtendedTimeout" : "Extended Timeout"
86
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
87
58
domain = "se.recompile"
88
59
busname = domain + ".Mandos"
90
61
server_interface = domain + ".Mandos"
91
62
client_interface = domain + ".Mandos.Client"
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
65
def timedelta_to_milliseconds(td):
66
"""Convert a datetime.timedelta object to milliseconds"""
67
return ((td.days * 24 * 60 * 60 * 1000)
69
+ (td.microseconds // 1000))
101
71
def milliseconds_to_string(ms):
102
72
td = datetime.timedelta(0, 0, 0, ms)
103
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
104
.format(days="{}T".format(td.days) if td.days else "",
105
hours=td.seconds // 3600,
106
minutes=(td.seconds % 3600) // 60,
107
seconds=td.seconds % 60))
110
def rfc3339_duration_to_delta(duration):
111
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
113
>>> rfc3339_duration_to_delta("P7D")
114
datetime.timedelta(7)
115
>>> rfc3339_duration_to_delta("PT60S")
116
datetime.timedelta(0, 60)
117
>>> rfc3339_duration_to_delta("PT60M")
118
datetime.timedelta(0, 3600)
119
>>> rfc3339_duration_to_delta("PT24H")
120
datetime.timedelta(1)
121
>>> rfc3339_duration_to_delta("P1W")
122
datetime.timedelta(7)
123
>>> rfc3339_duration_to_delta("PT5M30S")
124
datetime.timedelta(0, 330)
125
>>> rfc3339_duration_to_delta("P1DT3M20S")
126
datetime.timedelta(1, 200)
129
# Parsing an RFC 3339 duration with regular expressions is not
130
# possible - there would have to be multiple places for the same
131
# values, like seconds. The current code, while more esoteric, is
132
# cleaner without depending on a parsing library. If Python had a
133
# built-in library for parsing we would use it, but we'd like to
134
# avoid excessive use of external libraries.
136
# New type for defining tokens, syntax, and semantics all-in-one
137
Token = collections.namedtuple("Token", (
138
"regexp", # To match token; if "value" is not None, must have
139
# a "group" containing digits
140
"value", # datetime.timedelta or None
141
"followers")) # Tokens valid after this token
142
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
143
# the "duration" ABNF definition in RFC 3339, Appendix A.
144
token_end = Token(re.compile(r"$"), None, frozenset())
145
token_second = Token(re.compile(r"(\d+)S"),
146
datetime.timedelta(seconds=1),
147
frozenset((token_end, )))
148
token_minute = Token(re.compile(r"(\d+)M"),
149
datetime.timedelta(minutes=1),
150
frozenset((token_second, token_end)))
151
token_hour = Token(re.compile(r"(\d+)H"),
152
datetime.timedelta(hours=1),
153
frozenset((token_minute, token_end)))
154
token_time = Token(re.compile(r"T"),
156
frozenset((token_hour, token_minute,
158
token_day = Token(re.compile(r"(\d+)D"),
159
datetime.timedelta(days=1),
160
frozenset((token_time, token_end)))
161
token_month = Token(re.compile(r"(\d+)M"),
162
datetime.timedelta(weeks=4),
163
frozenset((token_day, token_end)))
164
token_year = Token(re.compile(r"(\d+)Y"),
165
datetime.timedelta(weeks=52),
166
frozenset((token_month, token_end)))
167
token_week = Token(re.compile(r"(\d+)W"),
168
datetime.timedelta(weeks=1),
169
frozenset((token_end, )))
170
token_duration = Token(re.compile(r"P"), None,
171
frozenset((token_year, token_month,
172
token_day, token_time,
174
# Define starting values:
176
value = datetime.timedelta()
178
# Following valid tokens
179
followers = frozenset((token_duration, ))
180
# String left to parse
182
# Loop until end token is found
183
while found_token is not token_end:
184
# Search for any currently valid tokens
185
for token in followers:
186
match = token.regexp.match(s)
187
if match is not None:
189
if token.value is not None:
190
# Value found, parse digits
191
factor = int(match.group(1), 10)
192
# Add to value so far
193
value += factor * token.value
194
# Strip token from string
195
s = token.regexp.sub("", s, 1)
198
# Set valid next tokens
199
followers = found_token.followers
202
# No currently valid tokens were found
203
raise ValueError("Invalid RFC 3339 duration: {!r}"
73
return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
74
% { "days": "%dT" % td.days if td.days else "",
75
"hours": td.seconds // 3600,
76
"minutes": (td.seconds % 3600) // 60,
77
"seconds": td.seconds % 60,
209
80
def string_to_delta(interval):
210
81
"""Parse a string and return a datetime.timedelta
212
>>> string_to_delta('7d')
83
>>> string_to_delta("7d")
213
84
datetime.timedelta(7)
214
>>> string_to_delta('60s')
85
>>> string_to_delta("60s")
215
86
datetime.timedelta(0, 60)
216
>>> string_to_delta('60m')
87
>>> string_to_delta("60m")
217
88
datetime.timedelta(0, 3600)
218
>>> string_to_delta('24h')
89
>>> string_to_delta("24h")
219
90
datetime.timedelta(1)
220
>>> string_to_delta('1w')
91
>>> string_to_delta("1w")
221
92
datetime.timedelta(7)
222
>>> string_to_delta('5m 30s')
93
>>> string_to_delta("5m 30s")
223
94
datetime.timedelta(0, 330)
227
return rfc3339_duration_to_delta(interval)
231
value = datetime.timedelta(0)
232
regexp = re.compile(r"(\d+)([dsmhw]?)")
234
for num, suffix in regexp.findall(interval):
236
value += datetime.timedelta(int(num))
238
value += datetime.timedelta(0, int(num))
240
value += datetime.timedelta(0, 0, 0, 0, int(num))
242
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
244
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
246
value += datetime.timedelta(0, 0, 0, int(num))
96
timevalue = datetime.timedelta(0)
97
regexp = re.compile("\d+[dsmhw]")
99
for s in regexp.findall(interval):
101
suffix = unicode(s[-1])
104
delta = datetime.timedelta(value)
106
delta = datetime.timedelta(0, value)
108
delta = datetime.timedelta(0, 0, 0, 0, value)
110
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
112
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
115
except (ValueError, IndexError):
250
120
def print_clients(clients, keywords):
251
121
def valuetostring(value, keyword):
252
122
if type(value) is dbus.Boolean:
253
123
return "Yes" if value else "No"
254
124
if keyword in ("Timeout", "Interval", "ApprovalDelay",
255
"ApprovalDuration", "ExtendedTimeout"):
256
126
return milliseconds_to_string(value)
127
return unicode(value)
259
129
# Create format string to print table rows
260
format_string = " ".join("{{{key}:{width}}}".format(
261
width=max(len(tablewords[key]),
262
max(len(valuetostring(client[key], key))
263
for client in clients)),
130
format_string = " ".join("%%-%ds" %
131
max(len(tablewords[key]),
132
max(len(valuetostring(client[key],
265
136
for key in keywords)
266
137
# Print header line
267
print(format_string.format(**tablewords))
138
print(format_string % tuple(tablewords[key] for key in keywords))
268
139
for client in clients:
270
.format(**{key: valuetostring(client[key], key)
271
for key in keywords}))
140
print(format_string % tuple(valuetostring(client[key], key)
141
for key in keywords))
274
143
def has_actions(options):
275
144
return any((options.enable,
336
202
parser.add_argument("--approval-duration",
337
203
help="Set duration of one client approval")
338
204
parser.add_argument("-H", "--host", help="Set host for client")
339
parser.add_argument("-s", "--secret",
340
type=argparse.FileType(mode="rb"),
205
parser.add_argument("-s", "--secret", type=file,
341
206
help="Set password blob (file) for client")
342
207
parser.add_argument("-A", "--approve", action="store_true",
343
208
help="Approve any current client request")
344
209
parser.add_argument("-D", "--deny", action="store_true",
345
210
help="Deny any current client request")
346
parser.add_argument("--check", action="store_true",
347
help="Run self-test")
348
211
parser.add_argument("client", nargs="*", help="Client name")
349
212
options = parser.parse_args()
351
if has_actions(options) and not (options.client or options.all):
214
if has_actions(options) and not options.client and not options.all:
352
215
parser.error("Options require clients names or --all.")
353
216
if options.verbose and has_actions(options):
354
parser.error("--verbose can only be used alone.")
355
if options.dump_json and (options.verbose
356
or has_actions(options)):
357
parser.error("--dump-json can only be used alone.")
217
parser.error("--verbose can only be used alone or with"
358
219
if options.all and not has_actions(options):
359
220
parser.error("--all requires an action.")
362
223
bus = dbus.SystemBus()
363
224
mandos_dbus_objc = bus.get_object(busname, server_path)
364
225
except dbus.exceptions.DBusException:
365
log.critical("Could not connect to Mandos server")
226
print("Could not connect to Mandos server",
368
230
mandos_serv = dbus.Interface(mandos_dbus_objc,
369
dbus_interface=server_interface)
370
mandos_serv_object_manager = dbus.Interface(
371
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
373
# block stderr since dbus library prints to stderr
231
dbus_interface = server_interface)
233
#block stderr since dbus library prints to stderr
374
234
null = os.open(os.path.devnull, os.O_RDWR)
375
235
stderrcopy = os.dup(sys.stderr.fileno())
376
236
os.dup2(null, sys.stderr.fileno())
380
mandos_clients = {path: ifs_and_props[client_interface]
381
for path, ifs_and_props in
382
mandos_serv_object_manager
383
.GetManagedObjects().items()
384
if client_interface in ifs_and_props}
240
mandos_clients = mandos_serv.GetAllClientsWithProperties()
387
243
os.dup2(stderrcopy, sys.stderr.fileno())
388
244
os.close(stderrcopy)
389
except dbus.exceptions.DBusException as e:
390
log.critical("Failed to access Mandos server through D-Bus:"
245
except dbus.exceptions.DBusException, e:
246
print("Access denied: Accessing mandos server through dbus.",
394
250
# Compile dict of (clients: properties) to process
397
253
if options.all or not options.client:
398
clients = {bus.get_object(busname, path): properties
399
for path, properties in mandos_clients.items()}
254
clients = dict((bus.get_object(busname, path), properties)
255
for path, properties in
256
mandos_clients.iteritems())
401
258
for name in options.client:
402
for path, client in mandos_clients.items():
259
for path, client in mandos_clients.iteritems():
403
260
if client["Name"] == name:
404
261
client_objc = bus.get_object(busname, path)
405
262
clients[client_objc] = client
408
log.critical("Client not found on server: %r", name)
265
print("Client not found on server: %r" % name,
411
269
if not has_actions(options) and clients:
412
if options.verbose or options.dump_json:
413
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
414
"Created", "Interval", "Host", "KeyID",
415
"Fingerprint", "CheckerRunning",
271
keywords = ("Name", "Enabled", "Timeout",
272
"LastCheckedOK", "Created", "Interval",
273
"Host", "Fingerprint", "CheckerRunning",
416
274
"LastEnabled", "ApprovalPending",
417
"ApprovedByDefault", "LastApprovalRequest",
418
"ApprovalDelay", "ApprovalDuration",
419
"Checker", "ExtendedTimeout", "Expires",
276
"LastApprovalRequest", "ApprovalDelay",
277
"ApprovalDuration", "Checker",
422
280
keywords = defaultkeywords
424
if options.dump_json:
425
json.dump({client["Name"]: {key:
427
if isinstance(client[key],
431
for client in clients.values()},
432
fp=sys.stdout, indent=4,
433
separators=(',', ': '))
436
print_clients(clients.values(), keywords)
282
print_clients(clients.values(), keywords)
438
284
# Process each client in the list by all selected options
439
285
for client in clients:
441
def set_client_prop(prop, value):
442
"""Set a Client D-Bus property"""
443
client.Set(client_interface, prop, value,
444
dbus_interface=dbus.PROPERTIES_IFACE)
446
def set_client_prop_ms(prop, value):
447
"""Set a Client D-Bus property, converted
448
from a string to milliseconds."""
449
set_client_prop(prop,
450
string_to_delta(value).total_seconds()
453
286
if options.remove:
454
287
mandos_serv.RemoveClient(client.__dbus_object_path__)
455
288
if options.enable:
456
set_client_prop("Enabled", dbus.Boolean(True))
289
client.Enable(dbus_interface=client_interface)
457
290
if options.disable:
458
set_client_prop("Enabled", dbus.Boolean(False))
291
client.Disable(dbus_interface=client_interface)
459
292
if options.bump_timeout:
460
set_client_prop("LastCheckedOK", "")
293
client.CheckedOK(dbus_interface=client_interface)
461
294
if options.start_checker:
462
set_client_prop("CheckerRunning", dbus.Boolean(True))
295
client.StartChecker(dbus_interface=client_interface)
463
296
if options.stop_checker:
464
set_client_prop("CheckerRunning", dbus.Boolean(False))
297
client.StopChecker(dbus_interface=client_interface)
465
298
if options.is_enabled:
466
if client.Get(client_interface, "Enabled",
467
dbus_interface=dbus.PROPERTIES_IFACE):
471
if options.checker is not None:
472
set_client_prop("Checker", options.checker)
473
if options.host is not None:
474
set_client_prop("Host", options.host)
475
if options.interval is not None:
476
set_client_prop_ms("Interval", options.interval)
477
if options.approval_delay is not None:
478
set_client_prop_ms("ApprovalDelay",
479
options.approval_delay)
480
if options.approval_duration is not None:
481
set_client_prop_ms("ApprovalDuration",
482
options.approval_duration)
483
if options.timeout is not None:
484
set_client_prop_ms("Timeout", options.timeout)
485
if options.extended_timeout is not None:
486
set_client_prop_ms("ExtendedTimeout",
487
options.extended_timeout)
488
if options.secret is not None:
489
set_client_prop("Secret",
490
dbus.ByteArray(options.secret.read()))
299
sys.exit(0 if client.Get(client_interface,
302
dbus.PROPERTIES_IFACE)
305
client.Set(client_interface, "Checker",
307
dbus_interface=dbus.PROPERTIES_IFACE)
309
client.Set(client_interface, "Host", options.host,
310
dbus_interface=dbus.PROPERTIES_IFACE)
312
client.Set(client_interface, "Interval",
313
timedelta_to_milliseconds
314
(string_to_delta(options.interval)),
315
dbus_interface=dbus.PROPERTIES_IFACE)
316
if options.approval_delay:
317
client.Set(client_interface, "ApprovalDelay",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
322
if options.approval_duration:
323
client.Set(client_interface, "ApprovalDuration",
324
timedelta_to_milliseconds
325
(string_to_delta(options.
327
dbus_interface=dbus.PROPERTIES_IFACE)
329
client.Set(client_interface, "Timeout",
330
timedelta_to_milliseconds
331
(string_to_delta(options.timeout)),
332
dbus_interface=dbus.PROPERTIES_IFACE)
333
if options.extended_timeout:
334
client.Set(client_interface, "ExtendedTimeout",
335
timedelta_to_milliseconds
336
(string_to_delta(options.extended_timeout)),
337
dbus_interface=dbus.PROPERTIES_IFACE)
339
client.Set(client_interface, "Secret",
340
dbus.ByteArray(open(options.secret,
342
dbus_interface=dbus.PROPERTIES_IFACE)
491
343
if options.approved_by_default is not None:
492
set_client_prop("ApprovedByDefault",
494
.approved_by_default))
344
client.Set(client_interface, "ApprovedByDefault",
346
.approved_by_default),
347
dbus_interface=dbus.PROPERTIES_IFACE)
495
348
if options.approve:
496
349
client.Approve(dbus.Boolean(True),
497
350
dbus_interface=client_interface)