52
72
"ApprovalDelay": "Approval Delay",
53
73
"ApprovalDuration": "Approval Duration",
54
74
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
75
"ExtendedTimeout": "Extended Timeout",
77
"LastCheckerStatus": "Last Checker Status",
57
79
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
80
domain = "se.recompile"
59
81
busname = domain + ".Mandos"
61
83
server_interface = domain + ".Mandos"
62
84
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))
89
dbus.OBJECT_MANAGER_IFACE
90
except AttributeError:
91
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
94
def milliseconds_to_string(ms):
72
95
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,
96
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
97
.format(days="{}T".format(td.days) if td.days else "",
98
hours=td.seconds // 3600,
99
minutes=(td.seconds % 3600) // 60,
100
seconds=td.seconds % 60))
103
def rfc3339_duration_to_delta(duration):
104
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
106
>>> rfc3339_duration_to_delta("P7D")
107
datetime.timedelta(7)
108
>>> rfc3339_duration_to_delta("PT60S")
109
datetime.timedelta(0, 60)
110
>>> rfc3339_duration_to_delta("PT60M")
111
datetime.timedelta(0, 3600)
112
>>> rfc3339_duration_to_delta("PT24H")
113
datetime.timedelta(1)
114
>>> rfc3339_duration_to_delta("P1W")
115
datetime.timedelta(7)
116
>>> rfc3339_duration_to_delta("PT5M30S")
117
datetime.timedelta(0, 330)
118
>>> rfc3339_duration_to_delta("P1DT3M20S")
119
datetime.timedelta(1, 200)
122
# Parsing an RFC 3339 duration with regular expressions is not
123
# possible - there would have to be multiple places for the same
124
# values, like seconds. The current code, while more esoteric, is
125
# cleaner without depending on a parsing library. If Python had a
126
# built-in library for parsing we would use it, but we'd like to
127
# avoid excessive use of external libraries.
129
# New type for defining tokens, syntax, and semantics all-in-one
130
Token = collections.namedtuple("Token", (
131
"regexp", # To match token; if "value" is not None, must have
132
# a "group" containing digits
133
"value", # datetime.timedelta or None
134
"followers")) # Tokens valid after this token
135
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
136
# the "duration" ABNF definition in RFC 3339, Appendix A.
137
token_end = Token(re.compile(r"$"), None, frozenset())
138
token_second = Token(re.compile(r"(\d+)S"),
139
datetime.timedelta(seconds=1),
140
frozenset((token_end, )))
141
token_minute = Token(re.compile(r"(\d+)M"),
142
datetime.timedelta(minutes=1),
143
frozenset((token_second, token_end)))
144
token_hour = Token(re.compile(r"(\d+)H"),
145
datetime.timedelta(hours=1),
146
frozenset((token_minute, token_end)))
147
token_time = Token(re.compile(r"T"),
149
frozenset((token_hour, token_minute,
151
token_day = Token(re.compile(r"(\d+)D"),
152
datetime.timedelta(days=1),
153
frozenset((token_time, token_end)))
154
token_month = Token(re.compile(r"(\d+)M"),
155
datetime.timedelta(weeks=4),
156
frozenset((token_day, token_end)))
157
token_year = Token(re.compile(r"(\d+)Y"),
158
datetime.timedelta(weeks=52),
159
frozenset((token_month, token_end)))
160
token_week = Token(re.compile(r"(\d+)W"),
161
datetime.timedelta(weeks=1),
162
frozenset((token_end, )))
163
token_duration = Token(re.compile(r"P"), None,
164
frozenset((token_year, token_month,
165
token_day, token_time,
167
# Define starting values:
169
value = datetime.timedelta()
171
# Following valid tokens
172
followers = frozenset((token_duration, ))
173
# String left to parse
175
# Loop until end token is found
176
while found_token is not token_end:
177
# Search for any currently valid tokens
178
for token in followers:
179
match = token.regexp.match(s)
180
if match is not None:
182
if token.value is not None:
183
# Value found, parse digits
184
factor = int(match.group(1), 10)
185
# Add to value so far
186
value += factor * token.value
187
# Strip token from string
188
s = token.regexp.sub("", s, 1)
191
# Set valid next tokens
192
followers = found_token.followers
195
# No currently valid tokens were found
196
raise ValueError("Invalid RFC 3339 duration: {!r}"
80
202
def string_to_delta(interval):
81
203
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
205
>>> string_to_delta('7d')
84
206
datetime.timedelta(7)
85
>>> string_to_delta("60s")
207
>>> string_to_delta('60s')
86
208
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
209
>>> string_to_delta('60m')
88
210
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
211
>>> string_to_delta('24h')
90
212
datetime.timedelta(1)
91
>>> string_to_delta("1w")
213
>>> string_to_delta('1w')
92
214
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
215
>>> string_to_delta('5m 30s')
94
216
datetime.timedelta(0, 330)
220
return rfc3339_duration_to_delta(interval)
96
224
value = datetime.timedelta(0)
97
regexp = re.compile("(\d+)([dsmhw]?)")
225
regexp = re.compile(r"(\d+)([dsmhw]?)")
99
227
for num, suffix in regexp.findall(interval):
100
228
if suffix == "d":
101
229
value += datetime.timedelta(int(num))
196
329
parser.add_argument("--approval-duration",
197
330
help="Set duration of one client approval")
198
331
parser.add_argument("-H", "--host", help="Set host for client")
199
parser.add_argument("-s", "--secret", type=file,
332
parser.add_argument("-s", "--secret",
333
type=argparse.FileType(mode="rb"),
200
334
help="Set password blob (file) for client")
201
335
parser.add_argument("-A", "--approve", action="store_true",
202
336
help="Approve any current client request")
203
337
parser.add_argument("-D", "--deny", action="store_true",
204
338
help="Deny any current client request")
339
parser.add_argument("--check", action="store_true",
340
help="Run self-test")
205
341
parser.add_argument("client", nargs="*", help="Client name")
206
342
options = parser.parse_args()
208
if has_actions(options) and not options.client and not options.all:
344
if has_actions(options) and not (options.client or options.all):
209
345
parser.error("Options require clients names or --all.")
210
346
if options.verbose and has_actions(options):
211
parser.error("--verbose can only be used alone or with"
347
parser.error("--verbose can only be used alone.")
348
if options.dump_json and (options.verbose
349
or has_actions(options)):
350
parser.error("--dump-json can only be used alone.")
213
351
if options.all and not has_actions(options):
214
352
parser.error("--all requires an action.")
217
355
bus = dbus.SystemBus()
218
356
mandos_dbus_objc = bus.get_object(busname, server_path)
219
357
except dbus.exceptions.DBusException:
220
print("Could not connect to Mandos server",
358
log.critical("Could not connect to Mandos server")
224
361
mandos_serv = dbus.Interface(mandos_dbus_objc,
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
362
dbus_interface=server_interface)
363
mandos_serv_object_manager = dbus.Interface(
364
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
366
# block stderr since dbus library prints to stderr
228
367
null = os.open(os.path.devnull, os.O_RDWR)
229
368
stderrcopy = os.dup(sys.stderr.fileno())
230
369
os.dup2(null, sys.stderr.fileno())
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
373
mandos_clients = {path: ifs_and_props[client_interface]
374
for path, ifs_and_props in
375
mandos_serv_object_manager
376
.GetManagedObjects().items()
377
if client_interface in ifs_and_props}
237
380
os.dup2(stderrcopy, sys.stderr.fileno())
238
381
os.close(stderrcopy)
239
except dbus.exceptions.DBusException:
240
print("Access denied: Accessing mandos server through dbus.",
382
except dbus.exceptions.DBusException as e:
383
log.critical("Failed to access Mandos server through D-Bus:"
244
387
# Compile dict of (clients: properties) to process
247
390
if options.all or not options.client:
248
clients = dict((bus.get_object(busname, path), properties)
249
for path, properties in
250
mandos_clients.iteritems())
391
clients = {bus.get_object(busname, path): properties
392
for path, properties in mandos_clients.items()}
252
394
for name in options.client:
253
for path, client in mandos_clients.iteritems():
395
for path, client in mandos_clients.items():
254
396
if client["Name"] == name:
255
397
client_objc = bus.get_object(busname, path)
256
398
clients[client_objc] = client
259
print("Client not found on server: %r" % name,
401
log.critical("Client not found on server: %r", name)
263
404
if not has_actions(options) and clients:
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
405
if options.verbose or options.dump_json:
406
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
407
"Created", "Interval", "Host", "KeyID",
408
"Fingerprint", "CheckerRunning",
268
409
"LastEnabled", "ApprovalPending",
270
"LastApprovalRequest", "ApprovalDelay",
271
"ApprovalDuration", "Checker",
410
"ApprovedByDefault", "LastApprovalRequest",
411
"ApprovalDelay", "ApprovalDuration",
412
"Checker", "ExtendedTimeout", "Expires",
274
415
keywords = defaultkeywords
276
print_clients(clients.values(), keywords)
417
if options.dump_json:
418
json.dump({client["Name"]: {key:
420
if isinstance(client[key],
424
for client in clients.values()},
425
fp=sys.stdout, indent=4,
426
separators=(',', ': '))
429
print_clients(clients.values(), keywords)
278
431
# Process each client in the list by all selected options
279
432
for client in clients:
434
def set_client_prop(prop, value):
435
"""Set a Client D-Bus property"""
436
client.Set(client_interface, prop, value,
437
dbus_interface=dbus.PROPERTIES_IFACE)
439
def set_client_prop_ms(prop, value):
440
"""Set a Client D-Bus property, converted
441
from a string to milliseconds."""
442
set_client_prop(prop,
443
string_to_delta(value).total_seconds()
280
446
if options.remove:
281
447
mandos_serv.RemoveClient(client.__dbus_object_path__)
282
448
if options.enable:
283
client.Enable(dbus_interface=client_interface)
449
set_client_prop("Enabled", dbus.Boolean(True))
284
450
if options.disable:
285
client.Disable(dbus_interface=client_interface)
451
set_client_prop("Enabled", dbus.Boolean(False))
286
452
if options.bump_timeout:
287
client.CheckedOK(dbus_interface=client_interface)
453
set_client_prop("LastCheckedOK", "")
288
454
if options.start_checker:
289
client.StartChecker(dbus_interface=client_interface)
455
set_client_prop("CheckerRunning", dbus.Boolean(True))
290
456
if options.stop_checker:
291
client.StopChecker(dbus_interface=client_interface)
457
set_client_prop("CheckerRunning", dbus.Boolean(False))
292
458
if options.is_enabled:
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
459
if client.Get(client_interface, "Enabled",
460
dbus_interface=dbus.PROPERTIES_IFACE):
298
464
if options.checker is not None:
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
465
set_client_prop("Checker", options.checker)
302
466
if options.host is not None:
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
467
set_client_prop("Host", options.host)
305
468
if options.interval is not None:
306
client.Set(client_interface, "Interval",
307
timedelta_to_milliseconds
308
(string_to_delta(options.interval)),
309
dbus_interface=dbus.PROPERTIES_IFACE)
469
set_client_prop_ms("Interval", options.interval)
310
470
if options.approval_delay is not None:
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
471
set_client_prop_ms("ApprovalDelay",
472
options.approval_delay)
316
473
if options.approval_duration is not None:
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
474
set_client_prop_ms("ApprovalDuration",
475
options.approval_duration)
322
476
if options.timeout is not None:
323
client.Set(client_interface, "Timeout",
324
timedelta_to_milliseconds
325
(string_to_delta(options.timeout)),
326
dbus_interface=dbus.PROPERTIES_IFACE)
477
set_client_prop_ms("Timeout", options.timeout)
327
478
if options.extended_timeout is not None:
328
client.Set(client_interface, "ExtendedTimeout",
329
timedelta_to_milliseconds
330
(string_to_delta(options.extended_timeout)),
331
dbus_interface=dbus.PROPERTIES_IFACE)
479
set_client_prop_ms("ExtendedTimeout",
480
options.extended_timeout)
332
481
if options.secret is not None:
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(options.secret.read()),
335
dbus_interface=dbus.PROPERTIES_IFACE)
482
set_client_prop("Secret",
483
dbus.ByteArray(options.secret.read()))
336
484
if options.approved_by_default is not None:
337
client.Set(client_interface, "ApprovedByDefault",
339
.approved_by_default),
340
dbus_interface=dbus.PROPERTIES_IFACE)
485
set_client_prop("ApprovedByDefault",
487
.approved_by_default))
341
488
if options.approve:
342
489
client.Approve(dbus.Boolean(True),
343
490
dbus_interface=client_interface)