67
52
"ApprovalDelay": "Approval Delay",
68
53
"ApprovalDuration": "Approval Duration",
69
54
"Checker": "Checker",
70
"ExtendedTimeout": "Extended Timeout",
72
"LastCheckerStatus": "Last Checker Status",
55
"ExtendedTimeout" : "Extended Timeout"
74
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
75
58
domain = "se.recompile"
76
59
busname = domain + ".Mandos"
78
61
server_interface = domain + ".Mandos"
79
62
client_interface = domain + ".Mandos.Client"
84
dbus.OBJECT_MANAGER_IFACE
85
except AttributeError:
86
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))
89
71
def milliseconds_to_string(ms):
90
72
td = datetime.timedelta(0, 0, 0, ms)
91
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
92
.format(days="{}T".format(td.days) if td.days else "",
93
hours=td.seconds // 3600,
94
minutes=(td.seconds % 3600) // 60,
95
seconds=td.seconds % 60))
98
def rfc3339_duration_to_delta(duration):
99
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
101
>>> rfc3339_duration_to_delta("P7D")
102
datetime.timedelta(7)
103
>>> rfc3339_duration_to_delta("PT60S")
104
datetime.timedelta(0, 60)
105
>>> rfc3339_duration_to_delta("PT60M")
106
datetime.timedelta(0, 3600)
107
>>> rfc3339_duration_to_delta("PT24H")
108
datetime.timedelta(1)
109
>>> rfc3339_duration_to_delta("P1W")
110
datetime.timedelta(7)
111
>>> rfc3339_duration_to_delta("PT5M30S")
112
datetime.timedelta(0, 330)
113
>>> rfc3339_duration_to_delta("P1DT3M20S")
114
datetime.timedelta(1, 200)
117
# Parsing an RFC 3339 duration with regular expressions is not
118
# possible - there would have to be multiple places for the same
119
# values, like seconds. The current code, while more esoteric, is
120
# cleaner without depending on a parsing library. If Python had a
121
# built-in library for parsing we would use it, but we'd like to
122
# avoid excessive use of external libraries.
124
# New type for defining tokens, syntax, and semantics all-in-one
125
Token = collections.namedtuple("Token", (
126
"regexp", # To match token; if "value" is not None, must have
127
# a "group" containing digits
128
"value", # datetime.timedelta or None
129
"followers")) # Tokens valid after this token
130
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
131
# the "duration" ABNF definition in RFC 3339, Appendix A.
132
token_end = Token(re.compile(r"$"), None, frozenset())
133
token_second = Token(re.compile(r"(\d+)S"),
134
datetime.timedelta(seconds=1),
135
frozenset((token_end, )))
136
token_minute = Token(re.compile(r"(\d+)M"),
137
datetime.timedelta(minutes=1),
138
frozenset((token_second, token_end)))
139
token_hour = Token(re.compile(r"(\d+)H"),
140
datetime.timedelta(hours=1),
141
frozenset((token_minute, token_end)))
142
token_time = Token(re.compile(r"T"),
144
frozenset((token_hour, token_minute,
146
token_day = Token(re.compile(r"(\d+)D"),
147
datetime.timedelta(days=1),
148
frozenset((token_time, token_end)))
149
token_month = Token(re.compile(r"(\d+)M"),
150
datetime.timedelta(weeks=4),
151
frozenset((token_day, token_end)))
152
token_year = Token(re.compile(r"(\d+)Y"),
153
datetime.timedelta(weeks=52),
154
frozenset((token_month, token_end)))
155
token_week = Token(re.compile(r"(\d+)W"),
156
datetime.timedelta(weeks=1),
157
frozenset((token_end, )))
158
token_duration = Token(re.compile(r"P"), None,
159
frozenset((token_year, token_month,
160
token_day, token_time,
162
# Define starting values:
164
value = datetime.timedelta()
166
# Following valid tokens
167
followers = frozenset((token_duration, ))
168
# String left to parse
170
# Loop until end token is found
171
while found_token is not token_end:
172
# Search for any currently valid tokens
173
for token in followers:
174
match = token.regexp.match(s)
175
if match is not None:
177
if token.value is not None:
178
# Value found, parse digits
179
factor = int(match.group(1), 10)
180
# Add to value so far
181
value += factor * token.value
182
# Strip token from string
183
s = token.regexp.sub("", s, 1)
186
# Set valid next tokens
187
followers = found_token.followers
190
# No currently valid tokens were found
191
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,
197
80
def string_to_delta(interval):
198
81
"""Parse a string and return a datetime.timedelta
200
>>> string_to_delta('7d')
83
>>> string_to_delta("7d")
201
84
datetime.timedelta(7)
202
>>> string_to_delta('60s')
85
>>> string_to_delta("60s")
203
86
datetime.timedelta(0, 60)
204
>>> string_to_delta('60m')
87
>>> string_to_delta("60m")
205
88
datetime.timedelta(0, 3600)
206
>>> string_to_delta('24h')
89
>>> string_to_delta("24h")
207
90
datetime.timedelta(1)
208
>>> string_to_delta('1w')
91
>>> string_to_delta("1w")
209
92
datetime.timedelta(7)
210
>>> string_to_delta('5m 30s')
93
>>> string_to_delta("5m 30s")
211
94
datetime.timedelta(0, 330)
215
return rfc3339_duration_to_delta(interval)
219
96
value = datetime.timedelta(0)
220
regexp = re.compile(r"(\d+)([dsmhw]?)")
97
regexp = re.compile("(\d+)([dsmhw]?)")
222
99
for num, suffix in regexp.findall(interval):
223
100
if suffix == "d":
224
101
value += datetime.timedelta(int(num))
324
196
parser.add_argument("--approval-duration",
325
197
help="Set duration of one client approval")
326
198
parser.add_argument("-H", "--host", help="Set host for client")
327
parser.add_argument("-s", "--secret",
328
type=argparse.FileType(mode="rb"),
199
parser.add_argument("-s", "--secret", type=file,
329
200
help="Set password blob (file) for client")
330
201
parser.add_argument("-A", "--approve", action="store_true",
331
202
help="Approve any current client request")
332
203
parser.add_argument("-D", "--deny", action="store_true",
333
204
help="Deny any current client request")
334
parser.add_argument("--check", action="store_true",
335
help="Run self-test")
336
205
parser.add_argument("client", nargs="*", help="Client name")
337
206
options = parser.parse_args()
339
if has_actions(options) and not (options.client or options.all):
208
if has_actions(options) and not options.client and not options.all:
340
209
parser.error("Options require clients names or --all.")
341
210
if options.verbose and has_actions(options):
342
parser.error("--verbose can only be used alone.")
343
if options.dump_json and (options.verbose
344
or has_actions(options)):
345
parser.error("--dump-json can only be used alone.")
211
parser.error("--verbose can only be used alone or with"
346
213
if options.all and not has_actions(options):
347
214
parser.error("--all requires an action.")
350
217
bus = dbus.SystemBus()
351
218
mandos_dbus_objc = bus.get_object(busname, server_path)
352
219
except dbus.exceptions.DBusException:
353
print("Could not connect to Mandos server", file=sys.stderr)
220
print("Could not connect to Mandos server",
356
224
mandos_serv = dbus.Interface(mandos_dbus_objc,
357
dbus_interface=server_interface)
358
mandos_serv_object_manager = dbus.Interface(
359
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
361
# block stderr since dbus library prints to stderr
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
362
228
null = os.open(os.path.devnull, os.O_RDWR)
363
229
stderrcopy = os.dup(sys.stderr.fileno())
364
230
os.dup2(null, sys.stderr.fileno())
368
mandos_clients = {path: ifs_and_props[client_interface]
369
for path, ifs_and_props in
370
mandos_serv_object_manager
371
.GetManagedObjects().items()
372
if client_interface in ifs_and_props}
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
375
237
os.dup2(stderrcopy, sys.stderr.fileno())
376
238
os.close(stderrcopy)
377
except dbus.exceptions.DBusException as e:
378
print("Access denied: "
379
"Accessing mandos server through D-Bus: {}".format(e),
239
except dbus.exceptions.DBusException:
240
print("Access denied: Accessing mandos server through dbus.",
383
244
# Compile dict of (clients: properties) to process
386
247
if options.all or not options.client:
387
clients = {bus.get_object(busname, path): properties
388
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())
390
252
for name in options.client:
391
for path, client in mandos_clients.items():
253
for path, client in mandos_clients.iteritems():
392
254
if client["Name"] == name:
393
255
client_objc = bus.get_object(busname, path)
394
256
clients[client_objc] = client
397
print("Client not found on server: {!r}"
398
.format(name), file=sys.stderr)
259
print("Client not found on server: %r" % name,
401
263
if not has_actions(options) and clients:
402
if options.verbose or options.dump_json:
403
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
404
"Created", "Interval", "Host", "KeyID",
405
"Fingerprint", "CheckerRunning",
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
406
268
"LastEnabled", "ApprovalPending",
407
"ApprovedByDefault", "LastApprovalRequest",
408
"ApprovalDelay", "ApprovalDuration",
409
"Checker", "ExtendedTimeout", "Expires",
270
"LastApprovalRequest", "ApprovalDelay",
271
"ApprovalDuration", "Checker",
412
274
keywords = defaultkeywords
414
if options.dump_json:
415
json.dump({client["Name"]: {key:
417
if isinstance(client[key],
421
for client in clients.values()},
422
fp=sys.stdout, indent=4,
423
separators=(',', ': '))
426
print_clients(clients.values(), keywords)
276
print_clients(clients.values(), keywords)
428
278
# Process each client in the list by all selected options
429
279
for client in clients:
431
def set_client_prop(prop, value):
432
"""Set a Client D-Bus property"""
433
client.Set(client_interface, prop, value,
434
dbus_interface=dbus.PROPERTIES_IFACE)
436
def set_client_prop_ms(prop, value):
437
"""Set a Client D-Bus property, converted
438
from a string to milliseconds."""
439
set_client_prop(prop,
440
string_to_delta(value).total_seconds()
443
280
if options.remove:
444
281
mandos_serv.RemoveClient(client.__dbus_object_path__)
445
282
if options.enable:
446
set_client_prop("Enabled", dbus.Boolean(True))
283
client.Enable(dbus_interface=client_interface)
447
284
if options.disable:
448
set_client_prop("Enabled", dbus.Boolean(False))
285
client.Disable(dbus_interface=client_interface)
449
286
if options.bump_timeout:
450
set_client_prop("LastCheckedOK", "")
287
client.CheckedOK(dbus_interface=client_interface)
451
288
if options.start_checker:
452
set_client_prop("CheckerRunning", dbus.Boolean(True))
289
client.StartChecker(dbus_interface=client_interface)
453
290
if options.stop_checker:
454
set_client_prop("CheckerRunning", dbus.Boolean(False))
291
client.StopChecker(dbus_interface=client_interface)
455
292
if options.is_enabled:
456
if client.Get(client_interface, "Enabled",
457
dbus_interface=dbus.PROPERTIES_IFACE):
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
461
298
if options.checker is not None:
462
set_client_prop("Checker", options.checker)
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
463
302
if options.host is not None:
464
set_client_prop("Host", options.host)
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
465
305
if options.interval is not None:
466
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)
467
310
if options.approval_delay is not None:
468
set_client_prop_ms("ApprovalDelay",
469
options.approval_delay)
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
470
316
if options.approval_duration is not None:
471
set_client_prop_ms("ApprovalDuration",
472
options.approval_duration)
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
473
322
if options.timeout is not None:
474
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)
475
327
if options.extended_timeout is not None:
476
set_client_prop_ms("ExtendedTimeout",
477
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)
478
332
if options.secret is not None:
479
set_client_prop("Secret",
480
dbus.ByteArray(options.secret.read()))
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(open(options.secret,
336
dbus_interface=dbus.PROPERTIES_IFACE)
481
337
if options.approved_by_default is not None:
482
set_client_prop("ApprovedByDefault",
484
.approved_by_default))
338
client.Set(client_interface, "ApprovedByDefault",
340
.approved_by_default),
341
dbus_interface=dbus.PROPERTIES_IFACE)
485
342
if options.approve:
486
343
client.Approve(dbus.Boolean(True),
487
344
dbus_interface=client_interface)