52
65
"ApprovalDelay": "Approval Delay",
53
66
"ApprovalDuration": "Approval Duration",
54
67
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
68
"ExtendedTimeout": "Extended Timeout",
70
"LastCheckerStatus": "Last Checker Status",
57
72
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
73
domain = "se.recompile"
59
74
busname = domain + ".Mandos"
61
76
server_interface = domain + ".Mandos"
62
77
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))
82
dbus.OBJECT_MANAGER_IFACE
83
except AttributeError:
84
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
87
def milliseconds_to_string(ms):
72
88
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,
89
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
90
.format(days="{}T".format(td.days) if td.days else "",
91
hours=td.seconds // 3600,
92
minutes=(td.seconds % 3600) // 60,
93
seconds=td.seconds % 60))
96
def rfc3339_duration_to_delta(duration):
97
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
99
>>> rfc3339_duration_to_delta("P7D")
100
datetime.timedelta(7)
101
>>> rfc3339_duration_to_delta("PT60S")
102
datetime.timedelta(0, 60)
103
>>> rfc3339_duration_to_delta("PT60M")
104
datetime.timedelta(0, 3600)
105
>>> rfc3339_duration_to_delta("PT24H")
106
datetime.timedelta(1)
107
>>> rfc3339_duration_to_delta("P1W")
108
datetime.timedelta(7)
109
>>> rfc3339_duration_to_delta("PT5M30S")
110
datetime.timedelta(0, 330)
111
>>> rfc3339_duration_to_delta("P1DT3M20S")
112
datetime.timedelta(1, 200)
115
# Parsing an RFC 3339 duration with regular expressions is not
116
# possible - there would have to be multiple places for the same
117
# values, like seconds. The current code, while more esoteric, is
118
# cleaner without depending on a parsing library. If Python had a
119
# built-in library for parsing we would use it, but we'd like to
120
# avoid excessive use of external libraries.
122
# New type for defining tokens, syntax, and semantics all-in-one
123
Token = collections.namedtuple("Token", (
124
"regexp", # To match token; if "value" is not None, must have
125
# a "group" containing digits
126
"value", # datetime.timedelta or None
127
"followers")) # Tokens valid after this token
128
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
129
# the "duration" ABNF definition in RFC 3339, Appendix A.
130
token_end = Token(re.compile(r"$"), None, frozenset())
131
token_second = Token(re.compile(r"(\d+)S"),
132
datetime.timedelta(seconds=1),
133
frozenset((token_end, )))
134
token_minute = Token(re.compile(r"(\d+)M"),
135
datetime.timedelta(minutes=1),
136
frozenset((token_second, token_end)))
137
token_hour = Token(re.compile(r"(\d+)H"),
138
datetime.timedelta(hours=1),
139
frozenset((token_minute, token_end)))
140
token_time = Token(re.compile(r"T"),
142
frozenset((token_hour, token_minute,
144
token_day = Token(re.compile(r"(\d+)D"),
145
datetime.timedelta(days=1),
146
frozenset((token_time, token_end)))
147
token_month = Token(re.compile(r"(\d+)M"),
148
datetime.timedelta(weeks=4),
149
frozenset((token_day, token_end)))
150
token_year = Token(re.compile(r"(\d+)Y"),
151
datetime.timedelta(weeks=52),
152
frozenset((token_month, token_end)))
153
token_week = Token(re.compile(r"(\d+)W"),
154
datetime.timedelta(weeks=1),
155
frozenset((token_end, )))
156
token_duration = Token(re.compile(r"P"), None,
157
frozenset((token_year, token_month,
158
token_day, token_time,
160
# Define starting values:
162
value = datetime.timedelta()
164
# Following valid tokens
165
followers = frozenset((token_duration, ))
166
# String left to parse
168
# Loop until end token is found
169
while found_token is not token_end:
170
# Search for any currently valid tokens
171
for token in followers:
172
match = token.regexp.match(s)
173
if match is not None:
175
if token.value is not None:
176
# Value found, parse digits
177
factor = int(match.group(1), 10)
178
# Add to value so far
179
value += factor * token.value
180
# Strip token from string
181
s = token.regexp.sub("", s, 1)
184
# Set valid next tokens
185
followers = found_token.followers
188
# No currently valid tokens were found
189
raise ValueError("Invalid RFC 3339 duration: {!r}"
80
195
def string_to_delta(interval):
81
196
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
198
>>> string_to_delta('7d')
84
199
datetime.timedelta(7)
85
>>> string_to_delta("60s")
200
>>> string_to_delta('60s')
86
201
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
202
>>> string_to_delta('60m')
88
203
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
204
>>> string_to_delta('24h')
90
205
datetime.timedelta(1)
91
>>> string_to_delta("1w")
206
>>> string_to_delta('1w')
92
207
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
208
>>> string_to_delta('5m 30s')
94
209
datetime.timedelta(0, 330)
213
return rfc3339_duration_to_delta(interval)
96
217
value = datetime.timedelta(0)
97
regexp = re.compile("(\d+)([dsmhw]?)")
218
regexp = re.compile(r"(\d+)([dsmhw]?)")
99
220
for num, suffix in regexp.findall(interval):
100
221
if suffix == "d":
101
222
value += datetime.timedelta(int(num))
196
322
parser.add_argument("--approval-duration",
197
323
help="Set duration of one client approval")
198
324
parser.add_argument("-H", "--host", help="Set host for client")
199
parser.add_argument("-s", "--secret", type=file,
325
parser.add_argument("-s", "--secret",
326
type=argparse.FileType(mode="rb"),
200
327
help="Set password blob (file) for client")
201
328
parser.add_argument("-A", "--approve", action="store_true",
202
329
help="Approve any current client request")
203
330
parser.add_argument("-D", "--deny", action="store_true",
204
331
help="Deny any current client request")
332
parser.add_argument("--check", action="store_true",
333
help="Run self-test")
205
334
parser.add_argument("client", nargs="*", help="Client name")
206
335
options = parser.parse_args()
208
if has_actions(options) and not options.client and not options.all:
337
if has_actions(options) and not (options.client or options.all):
209
338
parser.error("Options require clients names or --all.")
210
339
if options.verbose and has_actions(options):
211
parser.error("--verbose can only be used alone or with"
340
parser.error("--verbose can only be used alone.")
341
if options.dump_json and (options.verbose
342
or has_actions(options)):
343
parser.error("--dump-json can only be used alone.")
213
344
if options.all and not has_actions(options):
214
345
parser.error("--all requires an action.")
348
fail_count, test_count = doctest.testmod()
349
sys.exit(os.EX_OK if fail_count == 0 else 1)
217
352
bus = dbus.SystemBus()
218
353
mandos_dbus_objc = bus.get_object(busname, server_path)
219
354
except dbus.exceptions.DBusException:
220
print("Could not connect to Mandos server",
355
print("Could not connect to Mandos server", file=sys.stderr)
224
358
mandos_serv = dbus.Interface(mandos_dbus_objc,
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
359
dbus_interface=server_interface)
360
mandos_serv_object_manager = dbus.Interface(
361
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
363
# block stderr since dbus library prints to stderr
228
364
null = os.open(os.path.devnull, os.O_RDWR)
229
365
stderrcopy = os.dup(sys.stderr.fileno())
230
366
os.dup2(null, sys.stderr.fileno())
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
370
mandos_clients = {path: ifs_and_props[client_interface]
371
for path, ifs_and_props in
372
mandos_serv_object_manager
373
.GetManagedObjects().items()
374
if client_interface in ifs_and_props}
237
377
os.dup2(stderrcopy, sys.stderr.fileno())
238
378
os.close(stderrcopy)
239
except dbus.exceptions.DBusException, e:
240
print("Access denied: Accessing mandos server through dbus.",
379
except dbus.exceptions.DBusException as e:
380
print("Access denied: "
381
"Accessing mandos server through D-Bus: {}".format(e),
244
385
# Compile dict of (clients: properties) to process
247
388
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())
389
clients = {bus.get_object(busname, path): properties
390
for path, properties in mandos_clients.items()}
252
392
for name in options.client:
253
for path, client in mandos_clients.iteritems():
393
for path, client in mandos_clients.items():
254
394
if client["Name"] == name:
255
395
client_objc = bus.get_object(busname, path)
256
396
clients[client_objc] = client
259
print("Client not found on server: %r" % name,
399
print("Client not found on server: {!r}"
400
.format(name), file=sys.stderr)
263
403
if not has_actions(options) and clients:
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
268
"LastEnabled", "ApprovalPending",
404
if options.verbose or options.dump_json:
405
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
406
"Created", "Interval", "Host", "Fingerprint",
407
"CheckerRunning", "LastEnabled",
408
"ApprovalPending", "ApprovedByDefault",
270
409
"LastApprovalRequest", "ApprovalDelay",
271
410
"ApprovalDuration", "Checker",
411
"ExtendedTimeout", "Expires",
274
414
keywords = defaultkeywords
276
print_clients(clients.values(), keywords)
416
if options.dump_json:
417
json.dump({client["Name"]: {key:
419
if isinstance(client[key],
423
for client in clients.values()},
424
fp=sys.stdout, indent=4,
425
separators=(',', ': '))
428
print_clients(clients.values(), keywords)
278
430
# Process each client in the list by all selected options
279
431
for client in clients:
433
def set_client_prop(prop, value):
434
"""Set a Client D-Bus property"""
435
client.Set(client_interface, prop, value,
436
dbus_interface=dbus.PROPERTIES_IFACE)
438
def set_client_prop_ms(prop, value):
439
"""Set a Client D-Bus property, converted
440
from a string to milliseconds."""
441
set_client_prop(prop,
442
string_to_delta(value).total_seconds()
280
445
if options.remove:
281
446
mandos_serv.RemoveClient(client.__dbus_object_path__)
282
447
if options.enable:
283
client.Enable(dbus_interface=client_interface)
448
set_client_prop("Enabled", dbus.Boolean(True))
284
449
if options.disable:
285
client.Disable(dbus_interface=client_interface)
450
set_client_prop("Enabled", dbus.Boolean(False))
286
451
if options.bump_timeout:
287
client.CheckedOK(dbus_interface=client_interface)
452
set_client_prop("LastCheckedOK", "")
288
453
if options.start_checker:
289
client.StartChecker(dbus_interface=client_interface)
454
set_client_prop("CheckerRunning", dbus.Boolean(True))
290
455
if options.stop_checker:
291
client.StopChecker(dbus_interface=client_interface)
456
set_client_prop("CheckerRunning", dbus.Boolean(False))
292
457
if options.is_enabled:
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
458
if client.Get(client_interface, "Enabled",
459
dbus_interface=dbus.PROPERTIES_IFACE):
298
463
if options.checker is not None:
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
464
set_client_prop("Checker", options.checker)
302
465
if options.host is not None:
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
466
set_client_prop("Host", options.host)
305
467
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)
468
set_client_prop_ms("Interval", options.interval)
310
469
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)
470
set_client_prop_ms("ApprovalDelay",
471
options.approval_delay)
316
472
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)
473
set_client_prop_ms("ApprovalDuration",
474
options.approval_duration)
322
475
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)
476
set_client_prop_ms("Timeout", options.timeout)
327
477
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)
478
set_client_prop_ms("ExtendedTimeout",
479
options.extended_timeout)
332
480
if options.secret is not None:
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(open(options.secret,
336
dbus_interface=dbus.PROPERTIES_IFACE)
481
set_client_prop("Secret",
482
dbus.ByteArray(options.secret.read()))
337
483
if options.approved_by_default is not None:
338
client.Set(client_interface, "ApprovedByDefault",
340
.approved_by_default),
341
dbus_interface=dbus.PROPERTIES_IFACE)
484
set_client_prop("ApprovedByDefault",
486
.approved_by_default))
342
487
if options.approve:
343
488
client.Approve(dbus.Boolean(True),
344
489
dbus_interface=client_interface)