72
52
"ApprovalDelay": "Approval Delay",
73
53
"ApprovalDuration": "Approval Duration",
74
54
"Checker": "Checker",
75
"ExtendedTimeout": "Extended Timeout",
77
"LastCheckerStatus": "Last Checker Status",
55
"ExtendedTimeout" : "Extended Timeout"
79
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
80
58
domain = "se.recompile"
81
59
busname = domain + ".Mandos"
83
61
server_interface = domain + ".Mandos"
84
62
client_interface = domain + ".Mandos.Client"
89
dbus.OBJECT_MANAGER_IFACE
90
except AttributeError:
91
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))
94
71
def milliseconds_to_string(ms):
95
72
td = datetime.timedelta(0, 0, 0, ms)
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}"
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,
202
80
def string_to_delta(interval):
203
81
"""Parse a string and return a datetime.timedelta
205
>>> string_to_delta('7d')
83
>>> string_to_delta("7d")
206
84
datetime.timedelta(7)
207
>>> string_to_delta('60s')
85
>>> string_to_delta("60s")
208
86
datetime.timedelta(0, 60)
209
>>> string_to_delta('60m')
87
>>> string_to_delta("60m")
210
88
datetime.timedelta(0, 3600)
211
>>> string_to_delta('24h')
89
>>> string_to_delta("24h")
212
90
datetime.timedelta(1)
213
>>> string_to_delta('1w')
91
>>> string_to_delta("1w")
214
92
datetime.timedelta(7)
215
>>> string_to_delta('5m 30s')
93
>>> string_to_delta("5m 30s")
216
94
datetime.timedelta(0, 330)
220
return rfc3339_duration_to_delta(interval)
224
96
value = datetime.timedelta(0)
225
regexp = re.compile(r"(\d+)([dsmhw]?)")
97
regexp = re.compile("(\d+)([dsmhw]?)")
227
99
for num, suffix in regexp.findall(interval):
228
100
if suffix == "d":
229
101
value += datetime.timedelta(int(num))
329
196
parser.add_argument("--approval-duration",
330
197
help="Set duration of one client approval")
331
198
parser.add_argument("-H", "--host", help="Set host for client")
332
parser.add_argument("-s", "--secret",
333
type=argparse.FileType(mode="rb"),
199
parser.add_argument("-s", "--secret", type=file,
334
200
help="Set password blob (file) for client")
335
201
parser.add_argument("-A", "--approve", action="store_true",
336
202
help="Approve any current client request")
337
203
parser.add_argument("-D", "--deny", action="store_true",
338
204
help="Deny any current client request")
339
parser.add_argument("--check", action="store_true",
340
help="Run self-test")
341
205
parser.add_argument("client", nargs="*", help="Client name")
342
206
options = parser.parse_args()
344
if has_actions(options) and not (options.client or options.all):
208
if has_actions(options) and not options.client and not options.all:
345
209
parser.error("Options require clients names or --all.")
346
210
if options.verbose and has_actions(options):
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.")
211
parser.error("--verbose can only be used alone or with"
351
213
if options.all and not has_actions(options):
352
214
parser.error("--all requires an action.")
355
217
bus = dbus.SystemBus()
356
218
mandos_dbus_objc = bus.get_object(busname, server_path)
357
219
except dbus.exceptions.DBusException:
358
log.critical("Could not connect to Mandos server")
220
print("Could not connect to Mandos server",
361
224
mandos_serv = dbus.Interface(mandos_dbus_objc,
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
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
367
228
null = os.open(os.path.devnull, os.O_RDWR)
368
229
stderrcopy = os.dup(sys.stderr.fileno())
369
230
os.dup2(null, sys.stderr.fileno())
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}
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
380
237
os.dup2(stderrcopy, sys.stderr.fileno())
381
238
os.close(stderrcopy)
382
except dbus.exceptions.DBusException as e:
383
log.critical("Failed to access Mandos server through D-Bus:"
239
except dbus.exceptions.DBusException, e:
240
print("Access denied: Accessing mandos server through dbus.",
387
244
# Compile dict of (clients: properties) to process
390
247
if options.all or not options.client:
391
clients = {bus.get_object(busname, path): properties
392
for path, properties in mandos_clients.items()}
248
clients = dict((bus.get_object(busname, path), properties)
249
for path, properties in
250
mandos_clients.iteritems())
394
252
for name in options.client:
395
for path, client in mandos_clients.items():
253
for path, client in mandos_clients.iteritems():
396
254
if client["Name"] == name:
397
255
client_objc = bus.get_object(busname, path)
398
256
clients[client_objc] = client
401
log.critical("Client not found on server: %r", name)
259
print("Client not found on server: %r" % name,
404
263
if not has_actions(options) and clients:
405
if options.verbose or options.dump_json:
406
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
407
"Created", "Interval", "Host", "KeyID",
408
"Fingerprint", "CheckerRunning",
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
409
268
"LastEnabled", "ApprovalPending",
410
"ApprovedByDefault", "LastApprovalRequest",
411
"ApprovalDelay", "ApprovalDuration",
412
"Checker", "ExtendedTimeout", "Expires",
270
"LastApprovalRequest", "ApprovalDelay",
271
"ApprovalDuration", "Checker",
415
274
keywords = defaultkeywords
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)
276
print_clients(clients.values(), keywords)
431
278
# Process each client in the list by all selected options
432
279
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()
446
280
if options.remove:
447
281
mandos_serv.RemoveClient(client.__dbus_object_path__)
448
282
if options.enable:
449
set_client_prop("Enabled", dbus.Boolean(True))
283
client.Enable(dbus_interface=client_interface)
450
284
if options.disable:
451
set_client_prop("Enabled", dbus.Boolean(False))
285
client.Disable(dbus_interface=client_interface)
452
286
if options.bump_timeout:
453
set_client_prop("LastCheckedOK", "")
287
client.CheckedOK(dbus_interface=client_interface)
454
288
if options.start_checker:
455
set_client_prop("CheckerRunning", dbus.Boolean(True))
289
client.StartChecker(dbus_interface=client_interface)
456
290
if options.stop_checker:
457
set_client_prop("CheckerRunning", dbus.Boolean(False))
291
client.StopChecker(dbus_interface=client_interface)
458
292
if options.is_enabled:
459
if client.Get(client_interface, "Enabled",
460
dbus_interface=dbus.PROPERTIES_IFACE):
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
464
298
if options.checker is not None:
465
set_client_prop("Checker", options.checker)
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
466
302
if options.host is not None:
467
set_client_prop("Host", options.host)
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
468
305
if options.interval is not None:
469
set_client_prop_ms("Interval", options.interval)
306
client.Set(client_interface, "Interval",
307
timedelta_to_milliseconds
308
(string_to_delta(options.interval)),
309
dbus_interface=dbus.PROPERTIES_IFACE)
470
310
if options.approval_delay is not None:
471
set_client_prop_ms("ApprovalDelay",
472
options.approval_delay)
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
473
316
if options.approval_duration is not None:
474
set_client_prop_ms("ApprovalDuration",
475
options.approval_duration)
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
476
322
if options.timeout is not None:
477
set_client_prop_ms("Timeout", options.timeout)
323
client.Set(client_interface, "Timeout",
324
timedelta_to_milliseconds
325
(string_to_delta(options.timeout)),
326
dbus_interface=dbus.PROPERTIES_IFACE)
478
327
if options.extended_timeout is not None:
479
set_client_prop_ms("ExtendedTimeout",
480
options.extended_timeout)
328
client.Set(client_interface, "ExtendedTimeout",
329
timedelta_to_milliseconds
330
(string_to_delta(options.extended_timeout)),
331
dbus_interface=dbus.PROPERTIES_IFACE)
481
332
if options.secret is not None:
482
set_client_prop("Secret",
483
dbus.ByteArray(options.secret.read()))
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(open(options.secret,
336
dbus_interface=dbus.PROPERTIES_IFACE)
484
337
if options.approved_by_default is not None:
485
set_client_prop("ApprovedByDefault",
487
.approved_by_default))
338
client.Set(client_interface, "ApprovedByDefault",
340
.approved_by_default),
341
dbus_interface=dbus.PROPERTIES_IFACE)
488
342
if options.approve:
489
343
client.Approve(dbus.Boolean(True),
490
344
dbus_interface=client_interface)