64
52
"ApprovalDelay": "Approval Delay",
65
53
"ApprovalDuration": "Approval Duration",
66
54
"Checker": "Checker",
67
"ExtendedTimeout": "Extended Timeout",
69
"LastCheckerStatus": "Last Checker Status",
55
"ExtendedTimeout" : "Extended Timeout"
71
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
72
58
domain = "se.recompile"
73
59
busname = domain + ".Mandos"
75
61
server_interface = domain + ".Mandos"
76
62
client_interface = domain + ".Mandos.Client"
81
dbus.OBJECT_MANAGER_IFACE
82
except AttributeError:
83
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))
86
71
def milliseconds_to_string(ms):
87
72
td = datetime.timedelta(0, 0, 0, ms)
88
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
89
.format(days="{}T".format(td.days) if td.days else "",
90
hours=td.seconds // 3600,
91
minutes=(td.seconds % 3600) // 60,
92
seconds=td.seconds % 60))
95
def rfc3339_duration_to_delta(duration):
96
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
98
>>> rfc3339_duration_to_delta("P7D")
100
>>> rfc3339_duration_to_delta("PT60S")
101
datetime.timedelta(0, 60)
102
>>> rfc3339_duration_to_delta("PT60M")
103
datetime.timedelta(0, 3600)
104
>>> rfc3339_duration_to_delta("PT24H")
105
datetime.timedelta(1)
106
>>> rfc3339_duration_to_delta("P1W")
107
datetime.timedelta(7)
108
>>> rfc3339_duration_to_delta("PT5M30S")
109
datetime.timedelta(0, 330)
110
>>> rfc3339_duration_to_delta("P1DT3M20S")
111
datetime.timedelta(1, 200)
114
# Parsing an RFC 3339 duration with regular expressions is not
115
# possible - there would have to be multiple places for the same
116
# values, like seconds. The current code, while more esoteric, is
117
# cleaner without depending on a parsing library. If Python had a
118
# built-in library for parsing we would use it, but we'd like to
119
# avoid excessive use of external libraries.
121
# New type for defining tokens, syntax, and semantics all-in-one
122
Token = collections.namedtuple("Token", (
123
"regexp", # To match token; if "value" is not None, must have
124
# a "group" containing digits
125
"value", # datetime.timedelta or None
126
"followers")) # Tokens valid after this token
127
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
128
# the "duration" ABNF definition in RFC 3339, Appendix A.
129
token_end = Token(re.compile(r"$"), None, frozenset())
130
token_second = Token(re.compile(r"(\d+)S"),
131
datetime.timedelta(seconds=1),
132
frozenset((token_end, )))
133
token_minute = Token(re.compile(r"(\d+)M"),
134
datetime.timedelta(minutes=1),
135
frozenset((token_second, token_end)))
136
token_hour = Token(re.compile(r"(\d+)H"),
137
datetime.timedelta(hours=1),
138
frozenset((token_minute, token_end)))
139
token_time = Token(re.compile(r"T"),
141
frozenset((token_hour, token_minute,
143
token_day = Token(re.compile(r"(\d+)D"),
144
datetime.timedelta(days=1),
145
frozenset((token_time, token_end)))
146
token_month = Token(re.compile(r"(\d+)M"),
147
datetime.timedelta(weeks=4),
148
frozenset((token_day, token_end)))
149
token_year = Token(re.compile(r"(\d+)Y"),
150
datetime.timedelta(weeks=52),
151
frozenset((token_month, token_end)))
152
token_week = Token(re.compile(r"(\d+)W"),
153
datetime.timedelta(weeks=1),
154
frozenset((token_end, )))
155
token_duration = Token(re.compile(r"P"), None,
156
frozenset((token_year, token_month,
157
token_day, token_time,
159
# Define starting values:
161
value = datetime.timedelta()
163
# Following valid tokens
164
followers = frozenset((token_duration, ))
165
# String left to parse
167
# Loop until end token is found
168
while found_token is not token_end:
169
# Search for any currently valid tokens
170
for token in followers:
171
match = token.regexp.match(s)
172
if match is not None:
174
if token.value is not None:
175
# Value found, parse digits
176
factor = int(match.group(1), 10)
177
# Add to value so far
178
value += factor * token.value
179
# Strip token from string
180
s = token.regexp.sub("", s, 1)
183
# Set valid next tokens
184
followers = found_token.followers
187
# No currently valid tokens were found
188
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,
194
80
def string_to_delta(interval):
195
81
"""Parse a string and return a datetime.timedelta
197
>>> string_to_delta('7d')
83
>>> string_to_delta("7d")
198
84
datetime.timedelta(7)
199
>>> string_to_delta('60s')
85
>>> string_to_delta("60s")
200
86
datetime.timedelta(0, 60)
201
>>> string_to_delta('60m')
87
>>> string_to_delta("60m")
202
88
datetime.timedelta(0, 3600)
203
>>> string_to_delta('24h')
89
>>> string_to_delta("24h")
204
90
datetime.timedelta(1)
205
>>> string_to_delta('1w')
91
>>> string_to_delta("1w")
206
92
datetime.timedelta(7)
207
>>> string_to_delta('5m 30s')
93
>>> string_to_delta("5m 30s")
208
94
datetime.timedelta(0, 330)
212
return rfc3339_duration_to_delta(interval)
216
96
value = datetime.timedelta(0)
217
regexp = re.compile(r"(\d+)([dsmhw]?)")
97
regexp = re.compile("(\d+)([dsmhw]?)")
219
99
for num, suffix in regexp.findall(interval):
220
100
if suffix == "d":
221
101
value += datetime.timedelta(int(num))
321
196
parser.add_argument("--approval-duration",
322
197
help="Set duration of one client approval")
323
198
parser.add_argument("-H", "--host", help="Set host for client")
324
parser.add_argument("-s", "--secret",
325
type=argparse.FileType(mode="rb"),
199
parser.add_argument("-s", "--secret", type=file,
326
200
help="Set password blob (file) for client")
327
201
parser.add_argument("-A", "--approve", action="store_true",
328
202
help="Approve any current client request")
329
203
parser.add_argument("-D", "--deny", action="store_true",
330
204
help="Deny any current client request")
331
parser.add_argument("--check", action="store_true",
332
help="Run self-test")
333
205
parser.add_argument("client", nargs="*", help="Client name")
334
206
options = parser.parse_args()
336
if has_actions(options) and not (options.client or options.all):
208
if has_actions(options) and not options.client and not options.all:
337
209
parser.error("Options require clients names or --all.")
338
210
if options.verbose and has_actions(options):
339
parser.error("--verbose can only be used alone.")
340
if options.dump_json and (options.verbose
341
or has_actions(options)):
342
parser.error("--dump-json can only be used alone.")
211
parser.error("--verbose can only be used alone or with"
343
213
if options.all and not has_actions(options):
344
214
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)
352
217
bus = dbus.SystemBus()
353
218
mandos_dbus_objc = bus.get_object(busname, server_path)
354
219
except dbus.exceptions.DBusException:
355
print("Could not connect to Mandos server", file=sys.stderr)
220
print("Could not connect to Mandos server",
358
224
mandos_serv = dbus.Interface(mandos_dbus_objc,
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
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
364
228
null = os.open(os.path.devnull, os.O_RDWR)
365
229
stderrcopy = os.dup(sys.stderr.fileno())
366
230
os.dup2(null, sys.stderr.fileno())
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}
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
377
237
os.dup2(stderrcopy, sys.stderr.fileno())
378
238
os.close(stderrcopy)
379
except dbus.exceptions.DBusException as e:
380
print("Access denied: "
381
"Accessing mandos server through D-Bus: {}".format(e),
239
except dbus.exceptions.DBusException:
240
print("Access denied: Accessing mandos server through dbus.",
385
244
# Compile dict of (clients: properties) to process
388
247
if options.all or not options.client:
389
clients = {bus.get_object(busname, path): properties
390
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())
392
252
for name in options.client:
393
for path, client in mandos_clients.items():
253
for path, client in mandos_clients.iteritems():
394
254
if client["Name"] == name:
395
255
client_objc = bus.get_object(busname, path)
396
256
clients[client_objc] = client
399
print("Client not found on server: {!r}"
400
.format(name), file=sys.stderr)
259
print("Client not found on server: %r" % name,
403
263
if not has_actions(options) and clients:
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",
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
268
"LastEnabled", "ApprovalPending",
409
270
"LastApprovalRequest", "ApprovalDelay",
410
271
"ApprovalDuration", "Checker",
411
"ExtendedTimeout", "Expires",
414
274
keywords = defaultkeywords
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)
276
print_clients(clients.values(), keywords)
430
278
# Process each client in the list by all selected options
431
279
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()
445
280
if options.remove:
446
281
mandos_serv.RemoveClient(client.__dbus_object_path__)
447
282
if options.enable:
448
set_client_prop("Enabled", dbus.Boolean(True))
283
client.Enable(dbus_interface=client_interface)
449
284
if options.disable:
450
set_client_prop("Enabled", dbus.Boolean(False))
285
client.Disable(dbus_interface=client_interface)
451
286
if options.bump_timeout:
452
set_client_prop("LastCheckedOK", "")
287
client.CheckedOK(dbus_interface=client_interface)
453
288
if options.start_checker:
454
set_client_prop("CheckerRunning", dbus.Boolean(True))
289
client.StartChecker(dbus_interface=client_interface)
455
290
if options.stop_checker:
456
set_client_prop("CheckerRunning", dbus.Boolean(False))
291
client.StopChecker(dbus_interface=client_interface)
457
292
if options.is_enabled:
458
if client.Get(client_interface, "Enabled",
459
dbus_interface=dbus.PROPERTIES_IFACE):
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
463
298
if options.checker is not None:
464
set_client_prop("Checker", options.checker)
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
465
302
if options.host is not None:
466
set_client_prop("Host", options.host)
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
467
305
if options.interval is not None:
468
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)
469
310
if options.approval_delay is not None:
470
set_client_prop_ms("ApprovalDelay",
471
options.approval_delay)
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
472
316
if options.approval_duration is not None:
473
set_client_prop_ms("ApprovalDuration",
474
options.approval_duration)
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
475
322
if options.timeout is not None:
476
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)
477
327
if options.extended_timeout is not None:
478
set_client_prop_ms("ExtendedTimeout",
479
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)
480
332
if options.secret is not None:
481
set_client_prop("Secret",
482
dbus.ByteArray(options.secret.read()))
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(options.secret.read()),
335
dbus_interface=dbus.PROPERTIES_IFACE)
483
336
if options.approved_by_default is not None:
484
set_client_prop("ApprovedByDefault",
486
.approved_by_default))
337
client.Set(client_interface, "ApprovedByDefault",
339
.approved_by_default),
340
dbus_interface=dbus.PROPERTIES_IFACE)
487
341
if options.approve:
488
342
client.Approve(dbus.Boolean(True),
489
343
dbus_interface=client_interface)