52
79
"ApprovalDelay": "Approval Delay",
53
80
"ApprovalDuration": "Approval Duration",
54
81
"Checker": "Checker",
82
"ExtendedTimeout": "Extended Timeout",
84
"LastCheckerStatus": "Last Checker Status",
56
86
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
57
domain = "se.bsnet.fukt"
87
domain = "se.recompile"
58
88
busname = domain + ".Mandos"
60
90
server_interface = domain + ".Mandos"
61
91
client_interface = domain + ".Mandos.Client"
64
def timedelta_to_milliseconds(td):
65
"""Convert a datetime.timedelta object to milliseconds"""
66
return ((td.days * 24 * 60 * 60 * 1000)
68
+ (td.microseconds // 1000))
96
dbus.OBJECT_MANAGER_IFACE
97
except AttributeError:
98
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
70
101
def milliseconds_to_string(ms):
71
102
td = datetime.timedelta(0, 0, 0, ms)
72
return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
73
% { "days": "%dT" % td.days if td.days else "",
74
"hours": td.seconds // 3600,
75
"minutes": (td.seconds % 3600) // 60,
76
"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}"
79
240
def string_to_delta(interval):
80
241
"""Parse a string and return a datetime.timedelta
82
>>> 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')
83
256
datetime.timedelta(7)
84
>>> string_to_delta("60s")
257
>>> parse_pre_1_6_1_interval('60s')
85
258
datetime.timedelta(0, 60)
86
>>> string_to_delta("60m")
259
>>> parse_pre_1_6_1_interval('60m')
87
260
datetime.timedelta(0, 3600)
88
>>> string_to_delta("24h")
261
>>> parse_pre_1_6_1_interval('24h')
89
262
datetime.timedelta(1)
90
>>> string_to_delta("1w")
263
>>> parse_pre_1_6_1_interval('1w')
91
264
datetime.timedelta(7)
92
>>> string_to_delta("5m 30s")
265
>>> parse_pre_1_6_1_interval('5m 30s')
93
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)
95
timevalue = datetime.timedelta(0)
96
regexp = re.compile("\d+[dsmhw]")
98
for s in regexp.findall(interval):
100
suffix = unicode(s[-1])
103
delta = datetime.timedelta(value)
105
delta = datetime.timedelta(0, value)
107
delta = datetime.timedelta(0, 0, 0, 0, value)
109
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
111
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
114
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))
119
294
def print_clients(clients, keywords):
120
295
def valuetostring(value, keyword):
121
if type(value) is dbus.Boolean:
296
if isinstance(value, dbus.Boolean):
122
297
return "Yes" if value else "No"
123
298
if keyword in ("Timeout", "Interval", "ApprovalDelay",
299
"ApprovalDuration", "ExtendedTimeout"):
125
300
return milliseconds_to_string(value)
126
return unicode(value)
128
303
# Create format string to print table rows
129
format_string = " ".join("%%-%ds" %
130
max(len(tablewords[key]),
131
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)),
135
309
for key in keywords)
136
310
# Print header line
137
print(format_string % tuple(tablewords[key] for key in keywords))
311
print(format_string.format(**tablewords))
138
312
for client in clients:
139
print(format_string % tuple(valuetostring(client[key], key)
140
for key in keywords))
314
.format(**{key: valuetostring(client[key], key)
315
for key in keywords}))
142
318
def has_actions(options):
143
319
return any((options.enable,
198
380
parser.add_argument("--approval-duration",
199
381
help="Set duration of one client approval")
200
382
parser.add_argument("-H", "--host", help="Set host for client")
201
parser.add_argument("-s", "--secret", type=file,
383
parser.add_argument("-s", "--secret",
384
type=argparse.FileType(mode="rb"),
202
385
help="Set password blob (file) for client")
203
386
parser.add_argument("-A", "--approve", action="store_true",
204
387
help="Approve any current client request")
205
388
parser.add_argument("-D", "--deny", action="store_true",
206
389
help="Deny any current client request")
390
parser.add_argument("--check", action="store_true",
391
help="Run self-test")
207
392
parser.add_argument("client", nargs="*", help="Client name")
208
393
options = parser.parse_args()
210
if has_actions(options) and not options.client and not options.all:
395
if has_actions(options) and not (options.client or options.all):
211
396
parser.error("Options require clients names or --all.")
212
397
if options.verbose and has_actions(options):
213
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.")
215
402
if options.all and not has_actions(options):
216
403
parser.error("--all requires an action.")
219
406
bus = dbus.SystemBus()
220
407
mandos_dbus_objc = bus.get_object(busname, server_path)
221
408
except dbus.exceptions.DBusException:
222
print("Could not connect to Mandos server",
409
log.critical("Could not connect to Mandos server")
226
412
mandos_serv = dbus.Interface(mandos_dbus_objc,
227
dbus_interface = server_interface)
229
#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
230
418
null = os.open(os.path.devnull, os.O_RDWR)
231
419
stderrcopy = os.dup(sys.stderr.fileno())
232
420
os.dup2(null, sys.stderr.fileno())
236
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}
239
431
os.dup2(stderrcopy, sys.stderr.fileno())
240
432
os.close(stderrcopy)
241
except dbus.exceptions.DBusException, e:
242
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:"
246
438
# Compile dict of (clients: properties) to process
249
441
if options.all or not options.client:
250
clients = dict((bus.get_object(busname, path), properties)
251
for path, properties in
252
mandos_clients.iteritems())
442
clients = {bus.get_object(busname, path): properties
443
for path, properties in mandos_clients.items()}
254
445
for name in options.client:
255
for path, client in mandos_clients.iteritems():
446
for path, client in mandos_clients.items():
256
447
if client["Name"] == name:
257
448
client_objc = bus.get_object(busname, path)
258
449
clients[client_objc] = client
261
print("Client not found on server: %r" % name,
452
log.critical("Client not found on server: %r", name)
265
455
if not has_actions(options) and clients:
267
keywords = ("Name", "Enabled", "Timeout",
268
"LastCheckedOK", "Created", "Interval",
269
"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",
270
460
"LastEnabled", "ApprovalPending",
272
"LastApprovalRequest", "ApprovalDelay",
273
"ApprovalDuration", "Checker")
461
"ApprovedByDefault", "LastApprovalRequest",
462
"ApprovalDelay", "ApprovalDuration",
463
"Checker", "ExtendedTimeout", "Expires",
275
466
keywords = defaultkeywords
277
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)
279
482
# Process each client in the list by all selected options
280
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()
281
497
if options.remove:
282
498
mandos_serv.RemoveClient(client.__dbus_object_path__)
283
499
if options.enable:
284
client.Enable(dbus_interface=client_interface)
500
set_client_prop("Enabled", dbus.Boolean(True))
285
501
if options.disable:
286
client.Disable(dbus_interface=client_interface)
502
set_client_prop("Enabled", dbus.Boolean(False))
287
503
if options.bump_timeout:
288
client.CheckedOK(dbus_interface=client_interface)
504
set_client_prop("LastCheckedOK", "")
289
505
if options.start_checker:
290
client.StartChecker(dbus_interface=client_interface)
506
set_client_prop("CheckerRunning", dbus.Boolean(True))
291
507
if options.stop_checker:
292
client.StopChecker(dbus_interface=client_interface)
508
set_client_prop("CheckerRunning", dbus.Boolean(False))
293
509
if options.is_enabled:
294
sys.exit(0 if client.Get(client_interface,
297
dbus.PROPERTIES_IFACE)
300
client.Set(client_interface, "Checker",
302
dbus_interface=dbus.PROPERTIES_IFACE)
304
client.Set(client_interface, "Host", options.host,
305
dbus_interface=dbus.PROPERTIES_IFACE)
307
client.Set(client_interface, "Interval",
308
timedelta_to_milliseconds
309
(string_to_delta(options.interval)),
310
dbus_interface=dbus.PROPERTIES_IFACE)
311
if options.approval_delay:
312
client.Set(client_interface, "ApprovalDelay",
313
timedelta_to_milliseconds
314
(string_to_delta(options.
316
dbus_interface=dbus.PROPERTIES_IFACE)
317
if options.approval_duration:
318
client.Set(client_interface, "ApprovalDuration",
319
timedelta_to_milliseconds
320
(string_to_delta(options.
322
dbus_interface=dbus.PROPERTIES_IFACE)
324
client.Set(client_interface, "Timeout",
325
timedelta_to_milliseconds
326
(string_to_delta(options.timeout)),
327
dbus_interface=dbus.PROPERTIES_IFACE)
329
client.Set(client_interface, "Secret",
330
dbus.ByteArray(open(options.secret,
332
dbus_interface=dbus.PROPERTIES_IFACE)
510
if client.Get(client_interface, "Enabled",
511
dbus_interface=dbus.PROPERTIES_IFACE):
515
if options.checker is not None:
516
set_client_prop("Checker", options.checker)
517
if options.host is not None:
518
set_client_prop("Host", options.host)
519
if options.interval is not None:
520
set_client_prop_ms("Interval", options.interval)
521
if options.approval_delay is not None:
522
set_client_prop_ms("ApprovalDelay",
523
options.approval_delay)
524
if options.approval_duration is not None:
525
set_client_prop_ms("ApprovalDuration",
526
options.approval_duration)
527
if options.timeout is not None:
528
set_client_prop_ms("Timeout", options.timeout)
529
if options.extended_timeout is not None:
530
set_client_prop_ms("ExtendedTimeout",
531
options.extended_timeout)
532
if options.secret is not None:
533
set_client_prop("Secret",
534
dbus.ByteArray(options.secret.read()))
333
535
if options.approved_by_default is not None:
334
client.Set(client_interface, "ApprovedByDefault",
336
.approved_by_default),
337
dbus_interface=dbus.PROPERTIES_IFACE)
536
set_client_prop("ApprovedByDefault",
538
.approved_by_default))
338
539
if options.approve:
339
540
client.Approve(dbus.Boolean(True),
340
541
dbus_interface=client_interface)