52
79
"ApprovalDelay": "Approval Delay",
53
80
"ApprovalDuration": "Approval Duration",
54
81
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
57
86
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
87
domain = "se.recompile"
59
88
busname = domain + ".Mandos"
61
90
server_interface = domain + ".Mandos"
62
91
client_interface = domain + ".Mandos.Client"
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))
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
101
def milliseconds_to_string(ms):
72
102
td = datetime.timedelta(0, 0, 0, ms)
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,
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("P60M")
120
datetime.timedelta(1680)
121
>>> rfc3339_duration_to_delta("PT24H")
122
datetime.timedelta(1)
123
>>> rfc3339_duration_to_delta("P1W")
124
datetime.timedelta(7)
125
>>> rfc3339_duration_to_delta("PT5M30S")
126
datetime.timedelta(0, 330)
127
>>> rfc3339_duration_to_delta("P1DT3M20S")
128
datetime.timedelta(1, 200)
129
>>> # Can not be empty:
130
>>> rfc3339_duration_to_delta("")
131
Traceback (most recent call last):
133
ValueError: Invalid RFC 3339 duration: u''
134
>>> # Must start with "P":
135
>>> rfc3339_duration_to_delta("1D")
136
Traceback (most recent call last):
138
ValueError: Invalid RFC 3339 duration: u'1D'
139
>>> # Must use correct order
140
>>> rfc3339_duration_to_delta("PT1S2M")
141
Traceback (most recent call last):
143
ValueError: Invalid RFC 3339 duration: u'PT1S2M'
144
>>> # Time needs time marker
145
>>> rfc3339_duration_to_delta("P1H2S")
146
Traceback (most recent call last):
148
ValueError: Invalid RFC 3339 duration: u'P1H2S'
149
>>> # Weeks can not be combined with anything else
150
>>> rfc3339_duration_to_delta("P1D2W")
151
Traceback (most recent call last):
153
ValueError: Invalid RFC 3339 duration: u'P1D2W'
154
>>> rfc3339_duration_to_delta("P2W2H")
155
Traceback (most recent call last):
157
ValueError: Invalid RFC 3339 duration: u'P2W2H'
160
# Parsing an RFC 3339 duration with regular expressions is not
161
# possible - there would have to be multiple places for the same
162
# values, like seconds. The current code, while more esoteric, is
163
# cleaner without depending on a parsing library. If Python had a
164
# built-in library for parsing we would use it, but we'd like to
165
# avoid excessive use of external libraries.
167
# New type for defining tokens, syntax, and semantics all-in-one
168
Token = collections.namedtuple("Token", (
169
"regexp", # To match token; if "value" is not None, must have
170
# a "group" containing digits
171
"value", # datetime.timedelta or None
172
"followers")) # Tokens valid after this token
173
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
174
# the "duration" ABNF definition in RFC 3339, Appendix A.
175
token_end = Token(re.compile(r"$"), None, frozenset())
176
token_second = Token(re.compile(r"(\d+)S"),
177
datetime.timedelta(seconds=1),
178
frozenset((token_end, )))
179
token_minute = Token(re.compile(r"(\d+)M"),
180
datetime.timedelta(minutes=1),
181
frozenset((token_second, token_end)))
182
token_hour = Token(re.compile(r"(\d+)H"),
183
datetime.timedelta(hours=1),
184
frozenset((token_minute, token_end)))
185
token_time = Token(re.compile(r"T"),
187
frozenset((token_hour, token_minute,
189
token_day = Token(re.compile(r"(\d+)D"),
190
datetime.timedelta(days=1),
191
frozenset((token_time, token_end)))
192
token_month = Token(re.compile(r"(\d+)M"),
193
datetime.timedelta(weeks=4),
194
frozenset((token_day, token_end)))
195
token_year = Token(re.compile(r"(\d+)Y"),
196
datetime.timedelta(weeks=52),
197
frozenset((token_month, token_end)))
198
token_week = Token(re.compile(r"(\d+)W"),
199
datetime.timedelta(weeks=1),
200
frozenset((token_end, )))
201
token_duration = Token(re.compile(r"P"), None,
202
frozenset((token_year, token_month,
203
token_day, token_time,
205
# Define starting values:
207
value = datetime.timedelta()
209
# Following valid tokens
210
followers = frozenset((token_duration, ))
211
# String left to parse
213
# Loop until end token is found
214
while found_token is not token_end:
215
# Search for any currently valid tokens
216
for token in followers:
217
match = token.regexp.match(s)
218
if match is not None:
220
if token.value is not None:
221
# Value found, parse digits
222
factor = int(match.group(1), 10)
223
# Add to value so far
224
value += factor * token.value
225
# Strip token from string
226
s = token.regexp.sub("", s, 1)
229
# Set valid next tokens
230
followers = found_token.followers
233
# No currently valid tokens were found
234
raise ValueError("Invalid RFC 3339 duration: {!r}"
80
240
def string_to_delta(interval):
81
241
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
245
return rfc3339_duration_to_delta(interval)
246
except ValueError as e:
247
log.warning("%s - Parsing as pre-1.6.1 interval instead",
249
return parse_pre_1_6_1_interval(interval)
252
def parse_pre_1_6_1_interval(interval):
253
"""Parse an interval string as documented by Mandos before 1.6.1, and
254
return a datetime.timedelta
255
>>> parse_pre_1_6_1_interval('7d')
84
256
datetime.timedelta(7)
85
>>> string_to_delta("60s")
257
>>> parse_pre_1_6_1_interval('60s')
86
258
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
259
>>> parse_pre_1_6_1_interval('60m')
88
260
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
261
>>> parse_pre_1_6_1_interval('24h')
90
262
datetime.timedelta(1)
91
>>> string_to_delta("1w")
263
>>> parse_pre_1_6_1_interval('1w')
92
264
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
265
>>> parse_pre_1_6_1_interval('5m 30s')
94
266
datetime.timedelta(0, 330)
267
>>> parse_pre_1_6_1_interval('')
268
datetime.timedelta(0)
269
>>> # Ignore unknown characters, allow any order and repetitions
270
>>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
271
datetime.timedelta(2, 480, 18000)
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):
275
value = datetime.timedelta(0)
276
regexp = re.compile(r"(\d+)([dsmhw]?)")
278
for num, suffix in regexp.findall(interval):
280
value += datetime.timedelta(int(num))
282
value += datetime.timedelta(0, int(num))
284
value += datetime.timedelta(0, 0, 0, 0, int(num))
286
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
288
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
290
value += datetime.timedelta(0, 0, 0, int(num))
120
294
def print_clients(clients, keywords):
295
print('\n'.join(table_rows_of_clients(clients, keywords)))
297
def table_rows_of_clients(clients, keywords):
121
298
def valuetostring(value, keyword):
122
if type(value) is dbus.Boolean:
299
if isinstance(value, dbus.Boolean):
123
300
return "Yes" if value else "No"
124
301
if keyword in ("Timeout", "Interval", "ApprovalDelay",
302
"ApprovalDuration", "ExtendedTimeout"):
126
303
return milliseconds_to_string(value)
127
return unicode(value)
129
306
# Create format string to print table rows
130
format_string = " ".join("%%-%ds" %
131
max(len(tablewords[key]),
132
max(len(valuetostring(client[key],
307
format_string = " ".join("{{{key}:{width}}}".format(
308
width=max(len(tablewords[key]),
309
max(len(valuetostring(client[key], key))
310
for client in clients)),
136
312
for key in keywords)
138
print(format_string % tuple(tablewords[key] for key in keywords))
313
# Start with header line
314
rows = [format_string.format(**tablewords)]
139
315
for client in clients:
140
print(format_string % tuple(valuetostring(client[key], key)
141
for key in keywords))
316
rows.append(format_string
317
.format(**{key: valuetostring(client[key], key)
318
for key in keywords}))
143
322
def has_actions(options):
144
323
return any((options.enable,
202
384
parser.add_argument("--approval-duration",
203
385
help="Set duration of one client approval")
204
386
parser.add_argument("-H", "--host", help="Set host for client")
205
parser.add_argument("-s", "--secret", type=file,
387
parser.add_argument("-s", "--secret",
388
type=argparse.FileType(mode="rb"),
206
389
help="Set password blob (file) for client")
207
390
parser.add_argument("-A", "--approve", action="store_true",
208
391
help="Approve any current client request")
209
392
parser.add_argument("-D", "--deny", action="store_true",
210
393
help="Deny any current client request")
394
parser.add_argument("--check", action="store_true",
395
help="Run self-test")
211
396
parser.add_argument("client", nargs="*", help="Client name")
212
397
options = parser.parse_args()
214
if has_actions(options) and not options.client and not options.all:
399
if has_actions(options) and not (options.client or options.all):
215
400
parser.error("Options require clients names or --all.")
216
401
if options.verbose and has_actions(options):
217
parser.error("--verbose can only be used alone or with"
402
parser.error("--verbose can only be used alone.")
403
if options.dump_json and (options.verbose
404
or has_actions(options)):
405
parser.error("--dump-json can only be used alone.")
219
406
if options.all and not has_actions(options):
220
407
parser.error("--all requires an action.")
223
410
bus = dbus.SystemBus()
224
411
mandos_dbus_objc = bus.get_object(busname, server_path)
225
412
except dbus.exceptions.DBusException:
226
print("Could not connect to Mandos server",
413
log.critical("Could not connect to Mandos server")
230
416
mandos_serv = dbus.Interface(mandos_dbus_objc,
231
dbus_interface = server_interface)
233
#block stderr since dbus library prints to stderr
417
dbus_interface=server_interface)
418
mandos_serv_object_manager = dbus.Interface(
419
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
421
# block stderr since dbus library prints to stderr
234
422
null = os.open(os.path.devnull, os.O_RDWR)
235
423
stderrcopy = os.dup(sys.stderr.fileno())
236
424
os.dup2(null, sys.stderr.fileno())
240
mandos_clients = mandos_serv.GetAllClientsWithProperties()
428
mandos_clients = {path: ifs_and_props[client_interface]
429
for path, ifs_and_props in
430
mandos_serv_object_manager
431
.GetManagedObjects().items()
432
if client_interface in ifs_and_props}
243
435
os.dup2(stderrcopy, sys.stderr.fileno())
244
436
os.close(stderrcopy)
245
except dbus.exceptions.DBusException, e:
246
print("Access denied: Accessing mandos server through dbus.",
437
except dbus.exceptions.DBusException as e:
438
log.critical("Failed to access Mandos server through D-Bus:"
250
442
# Compile dict of (clients: properties) to process
253
445
if options.all or not options.client:
254
clients = dict((bus.get_object(busname, path), properties)
255
for path, properties in
256
mandos_clients.iteritems())
446
clients = {bus.get_object(busname, path): properties
447
for path, properties in mandos_clients.items()}
258
449
for name in options.client:
259
for path, client in mandos_clients.iteritems():
450
for path, client in mandos_clients.items():
260
451
if client["Name"] == name:
261
452
client_objc = bus.get_object(busname, path)
262
453
clients[client_objc] = client
265
print("Client not found on server: %r" % name,
456
log.critical("Client not found on server: %r", name)
269
459
if not has_actions(options) and clients:
271
keywords = ("Name", "Enabled", "Timeout",
272
"LastCheckedOK", "Created", "Interval",
273
"Host", "Fingerprint", "CheckerRunning",
460
if options.verbose or options.dump_json:
461
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
462
"Created", "Interval", "Host", "KeyID",
463
"Fingerprint", "CheckerRunning",
274
464
"LastEnabled", "ApprovalPending",
276
"LastApprovalRequest", "ApprovalDelay",
277
"ApprovalDuration", "Checker",
465
"ApprovedByDefault", "LastApprovalRequest",
466
"ApprovalDelay", "ApprovalDuration",
467
"Checker", "ExtendedTimeout", "Expires",
280
470
keywords = defaultkeywords
282
print_clients(clients.values(), keywords)
472
if options.dump_json:
473
json.dump({client["Name"]: {key:
475
if isinstance(client[key],
479
for client in clients.values()},
480
fp=sys.stdout, indent=4,
481
separators=(',', ': '))
484
print_clients(clients.values(), keywords)
284
486
# Process each client in the list by all selected options
285
487
for client in clients:
489
def set_client_prop(prop, value):
490
"""Set a Client D-Bus property"""
491
client.Set(client_interface, prop, value,
492
dbus_interface=dbus.PROPERTIES_IFACE)
494
def set_client_prop_ms(prop, value):
495
"""Set a Client D-Bus property, converted
496
from a string to milliseconds."""
497
set_client_prop(prop,
498
string_to_delta(value).total_seconds()
286
501
if options.remove:
287
502
mandos_serv.RemoveClient(client.__dbus_object_path__)
288
503
if options.enable:
289
client.Enable(dbus_interface=client_interface)
504
set_client_prop("Enabled", dbus.Boolean(True))
290
505
if options.disable:
291
client.Disable(dbus_interface=client_interface)
506
set_client_prop("Enabled", dbus.Boolean(False))
292
507
if options.bump_timeout:
293
client.CheckedOK(dbus_interface=client_interface)
508
set_client_prop("LastCheckedOK", "")
294
509
if options.start_checker:
295
client.StartChecker(dbus_interface=client_interface)
510
set_client_prop("CheckerRunning", dbus.Boolean(True))
296
511
if options.stop_checker:
297
client.StopChecker(dbus_interface=client_interface)
512
set_client_prop("CheckerRunning", dbus.Boolean(False))
298
513
if options.is_enabled:
299
sys.exit(0 if client.Get(client_interface,
302
dbus.PROPERTIES_IFACE)
514
if client.Get(client_interface, "Enabled",
515
dbus_interface=dbus.PROPERTIES_IFACE):
304
519
if options.checker is not None:
305
client.Set(client_interface, "Checker",
307
dbus_interface=dbus.PROPERTIES_IFACE)
520
set_client_prop("Checker", options.checker)
308
521
if options.host is not None:
309
client.Set(client_interface, "Host", options.host,
310
dbus_interface=dbus.PROPERTIES_IFACE)
522
set_client_prop("Host", options.host)
311
523
if options.interval is not None:
312
client.Set(client_interface, "Interval",
313
timedelta_to_milliseconds
314
(string_to_delta(options.interval)),
315
dbus_interface=dbus.PROPERTIES_IFACE)
524
set_client_prop_ms("Interval", options.interval)
316
525
if options.approval_delay is not None:
317
client.Set(client_interface, "ApprovalDelay",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
526
set_client_prop_ms("ApprovalDelay",
527
options.approval_delay)
322
528
if options.approval_duration is not None:
323
client.Set(client_interface, "ApprovalDuration",
324
timedelta_to_milliseconds
325
(string_to_delta(options.
327
dbus_interface=dbus.PROPERTIES_IFACE)
529
set_client_prop_ms("ApprovalDuration",
530
options.approval_duration)
328
531
if options.timeout is not None:
329
client.Set(client_interface, "Timeout",
330
timedelta_to_milliseconds
331
(string_to_delta(options.timeout)),
332
dbus_interface=dbus.PROPERTIES_IFACE)
532
set_client_prop_ms("Timeout", options.timeout)
333
533
if options.extended_timeout is not None:
334
client.Set(client_interface, "ExtendedTimeout",
335
timedelta_to_milliseconds
336
(string_to_delta(options.extended_timeout)),
337
dbus_interface=dbus.PROPERTIES_IFACE)
534
set_client_prop_ms("ExtendedTimeout",
535
options.extended_timeout)
338
536
if options.secret is not None:
339
client.Set(client_interface, "Secret",
340
dbus.ByteArray(open(options.secret,
342
dbus_interface=dbus.PROPERTIES_IFACE)
537
set_client_prop("Secret",
538
dbus.ByteArray(options.secret.read()))
343
539
if options.approved_by_default is not None:
344
client.Set(client_interface, "ApprovedByDefault",
346
.approved_by_default),
347
dbus_interface=dbus.PROPERTIES_IFACE)
540
set_client_prop("ApprovedByDefault",
542
.approved_by_default))
348
543
if options.approve:
349
544
client.Approve(dbus.Boolean(True),
350
545
dbus_interface=client_interface)