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):
121
295
def valuetostring(value, keyword):
122
if type(value) is dbus.Boolean:
296
if isinstance(value, dbus.Boolean):
123
297
return "Yes" if value else "No"
124
298
if keyword in ("Timeout", "Interval", "ApprovalDelay",
299
"ApprovalDuration", "ExtendedTimeout"):
126
300
return milliseconds_to_string(value)
127
return unicode(value)
129
303
# Create format string to print table rows
130
format_string = " ".join("%%-%ds" %
131
max(len(tablewords[key]),
132
max(len(valuetostring(client[key],
304
format_string = " ".join("{{{key}:{width}}}".format(
305
width=max(len(tablewords[key]),
306
max(len(valuetostring(client[key], key))
307
for client in clients)),
136
309
for key in keywords)
137
310
# Print header line
138
print(format_string % tuple(tablewords[key] for key in keywords))
311
print(format_string.format(**tablewords))
139
312
for client in clients:
140
print(format_string % tuple(valuetostring(client[key], key)
141
for key in keywords))
314
.format(**{key: valuetostring(client[key], key)
315
for key in keywords}))
143
318
def has_actions(options):
144
319
return any((options.enable,
202
380
parser.add_argument("--approval-duration",
203
381
help="Set duration of one client approval")
204
382
parser.add_argument("-H", "--host", help="Set host for client")
205
parser.add_argument("-s", "--secret", type=file,
383
parser.add_argument("-s", "--secret",
384
type=argparse.FileType(mode="rb"),
206
385
help="Set password blob (file) for client")
207
386
parser.add_argument("-A", "--approve", action="store_true",
208
387
help="Approve any current client request")
209
388
parser.add_argument("-D", "--deny", action="store_true",
210
389
help="Deny any current client request")
390
parser.add_argument("--check", action="store_true",
391
help="Run self-test")
211
392
parser.add_argument("client", nargs="*", help="Client name")
212
393
options = parser.parse_args()
214
if has_actions(options) and not options.client and not options.all:
395
if has_actions(options) and not (options.client or options.all):
215
396
parser.error("Options require clients names or --all.")
216
397
if options.verbose and has_actions(options):
217
parser.error("--verbose can only be used alone or with"
398
parser.error("--verbose can only be used alone.")
399
if options.dump_json and (options.verbose
400
or has_actions(options)):
401
parser.error("--dump-json can only be used alone.")
219
402
if options.all and not has_actions(options):
220
403
parser.error("--all requires an action.")
223
406
bus = dbus.SystemBus()
224
407
mandos_dbus_objc = bus.get_object(busname, server_path)
225
408
except dbus.exceptions.DBusException:
226
print("Could not connect to Mandos server",
409
log.critical("Could not connect to Mandos server")
230
412
mandos_serv = dbus.Interface(mandos_dbus_objc,
231
dbus_interface = server_interface)
233
#block stderr since dbus library prints to stderr
413
dbus_interface=server_interface)
414
mandos_serv_object_manager = dbus.Interface(
415
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
417
# block stderr since dbus library prints to stderr
234
418
null = os.open(os.path.devnull, os.O_RDWR)
235
419
stderrcopy = os.dup(sys.stderr.fileno())
236
420
os.dup2(null, sys.stderr.fileno())
240
mandos_clients = mandos_serv.GetAllClientsWithProperties()
424
mandos_clients = {path: ifs_and_props[client_interface]
425
for path, ifs_and_props in
426
mandos_serv_object_manager
427
.GetManagedObjects().items()
428
if client_interface in ifs_and_props}
243
431
os.dup2(stderrcopy, sys.stderr.fileno())
244
432
os.close(stderrcopy)
245
except dbus.exceptions.DBusException, e:
246
print("Access denied: Accessing mandos server through dbus.",
433
except dbus.exceptions.DBusException as e:
434
log.critical("Failed to access Mandos server through D-Bus:"
250
438
# Compile dict of (clients: properties) to process
253
441
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())
442
clients = {bus.get_object(busname, path): properties
443
for path, properties in mandos_clients.items()}
258
445
for name in options.client:
259
for path, client in mandos_clients.iteritems():
446
for path, client in mandos_clients.items():
260
447
if client["Name"] == name:
261
448
client_objc = bus.get_object(busname, path)
262
449
clients[client_objc] = client
265
print("Client not found on server: %r" % name,
452
log.critical("Client not found on server: %r", name)
269
455
if not has_actions(options) and clients:
271
keywords = ("Name", "Enabled", "Timeout",
272
"LastCheckedOK", "Created", "Interval",
273
"Host", "Fingerprint", "CheckerRunning",
456
if options.verbose or options.dump_json:
457
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
458
"Created", "Interval", "Host", "KeyID",
459
"Fingerprint", "CheckerRunning",
274
460
"LastEnabled", "ApprovalPending",
276
"LastApprovalRequest", "ApprovalDelay",
277
"ApprovalDuration", "Checker",
461
"ApprovedByDefault", "LastApprovalRequest",
462
"ApprovalDelay", "ApprovalDuration",
463
"Checker", "ExtendedTimeout", "Expires",
280
466
keywords = defaultkeywords
282
print_clients(clients.values(), keywords)
468
if options.dump_json:
469
json.dump({client["Name"]: {key:
471
if isinstance(client[key],
475
for client in clients.values()},
476
fp=sys.stdout, indent=4,
477
separators=(',', ': '))
480
print_clients(clients.values(), keywords)
284
482
# Process each client in the list by all selected options
285
483
for client in clients:
485
def set_client_prop(prop, value):
486
"""Set a Client D-Bus property"""
487
client.Set(client_interface, prop, value,
488
dbus_interface=dbus.PROPERTIES_IFACE)
490
def set_client_prop_ms(prop, value):
491
"""Set a Client D-Bus property, converted
492
from a string to milliseconds."""
493
set_client_prop(prop,
494
string_to_delta(value).total_seconds()
286
497
if options.remove:
287
498
mandos_serv.RemoveClient(client.__dbus_object_path__)
288
499
if options.enable:
289
client.Enable(dbus_interface=client_interface)
500
set_client_prop("Enabled", dbus.Boolean(True))
290
501
if options.disable:
291
client.Disable(dbus_interface=client_interface)
502
set_client_prop("Enabled", dbus.Boolean(False))
292
503
if options.bump_timeout:
293
client.CheckedOK(dbus_interface=client_interface)
504
set_client_prop("LastCheckedOK", "")
294
505
if options.start_checker:
295
client.StartChecker(dbus_interface=client_interface)
506
set_client_prop("CheckerRunning", dbus.Boolean(True))
296
507
if options.stop_checker:
297
client.StopChecker(dbus_interface=client_interface)
508
set_client_prop("CheckerRunning", dbus.Boolean(False))
298
509
if options.is_enabled:
299
sys.exit(0 if client.Get(client_interface,
302
dbus.PROPERTIES_IFACE)
510
if client.Get(client_interface, "Enabled",
511
dbus_interface=dbus.PROPERTIES_IFACE):
304
515
if options.checker is not None:
305
client.Set(client_interface, "Checker",
307
dbus_interface=dbus.PROPERTIES_IFACE)
516
set_client_prop("Checker", options.checker)
308
517
if options.host is not None:
309
client.Set(client_interface, "Host", options.host,
310
dbus_interface=dbus.PROPERTIES_IFACE)
518
set_client_prop("Host", options.host)
311
519
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)
520
set_client_prop_ms("Interval", options.interval)
316
521
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)
522
set_client_prop_ms("ApprovalDelay",
523
options.approval_delay)
322
524
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)
525
set_client_prop_ms("ApprovalDuration",
526
options.approval_duration)
328
527
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)
528
set_client_prop_ms("Timeout", options.timeout)
333
529
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)
530
set_client_prop_ms("ExtendedTimeout",
531
options.extended_timeout)
338
532
if options.secret is not None:
339
client.Set(client_interface, "Secret",
340
dbus.ByteArray(open(options.secret,
342
dbus_interface=dbus.PROPERTIES_IFACE)
533
set_client_prop("Secret",
534
dbus.ByteArray(options.secret.read()))
343
535
if options.approved_by_default is not None:
344
client.Set(client_interface, "ApprovedByDefault",
346
.approved_by_default),
347
dbus_interface=dbus.PROPERTIES_IFACE)
536
set_client_prop("ApprovedByDefault",
538
.approved_by_default))
348
539
if options.approve:
349
540
client.Approve(dbus.Boolean(True),
350
541
dbus_interface=client_interface)