66
52
"ApprovalDelay": "Approval Delay",
67
53
"ApprovalDuration": "Approval Duration",
68
54
"Checker": "Checker",
69
"ExtendedTimeout": "Extended Timeout",
71
"LastCheckerStatus": "Last Checker Status",
55
"ExtendedTimeout" : "Extended Timeout"
73
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
74
58
domain = "se.recompile"
75
59
busname = domain + ".Mandos"
77
61
server_interface = domain + ".Mandos"
78
62
client_interface = domain + ".Mandos.Client"
83
dbus.OBJECT_MANAGER_IFACE
84
except AttributeError:
85
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))
88
71
def milliseconds_to_string(ms):
89
72
td = datetime.timedelta(0, 0, 0, ms)
90
73
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
91
.format(days="{}T".format(td.days) if td.days else "",
92
hours=td.seconds // 3600,
93
minutes=(td.seconds % 3600) // 60,
94
seconds=td.seconds % 60))
97
def rfc3339_duration_to_delta(duration):
98
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
100
>>> rfc3339_duration_to_delta("P7D")
101
datetime.timedelta(7)
102
>>> rfc3339_duration_to_delta("PT60S")
103
datetime.timedelta(0, 60)
104
>>> rfc3339_duration_to_delta("PT60M")
105
datetime.timedelta(0, 3600)
106
>>> rfc3339_duration_to_delta("PT24H")
107
datetime.timedelta(1)
108
>>> rfc3339_duration_to_delta("P1W")
109
datetime.timedelta(7)
110
>>> rfc3339_duration_to_delta("PT5M30S")
111
datetime.timedelta(0, 330)
112
>>> rfc3339_duration_to_delta("P1DT3M20S")
113
datetime.timedelta(1, 200)
116
# Parsing an RFC 3339 duration with regular expressions is not
117
# possible - there would have to be multiple places for the same
118
# values, like seconds. The current code, while more esoteric, is
119
# cleaner without depending on a parsing library. If Python had a
120
# built-in library for parsing we would use it, but we'd like to
121
# avoid excessive use of external libraries.
123
# New type for defining tokens, syntax, and semantics all-in-one
124
Token = collections.namedtuple("Token", (
125
"regexp", # To match token; if "value" is not None, must have
126
# a "group" containing digits
127
"value", # datetime.timedelta or None
128
"followers")) # Tokens valid after this token
129
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
130
# the "duration" ABNF definition in RFC 3339, Appendix A.
131
token_end = Token(re.compile(r"$"), None, frozenset())
132
token_second = Token(re.compile(r"(\d+)S"),
133
datetime.timedelta(seconds=1),
134
frozenset((token_end, )))
135
token_minute = Token(re.compile(r"(\d+)M"),
136
datetime.timedelta(minutes=1),
137
frozenset((token_second, token_end)))
138
token_hour = Token(re.compile(r"(\d+)H"),
139
datetime.timedelta(hours=1),
140
frozenset((token_minute, token_end)))
141
token_time = Token(re.compile(r"T"),
143
frozenset((token_hour, token_minute,
145
token_day = Token(re.compile(r"(\d+)D"),
146
datetime.timedelta(days=1),
147
frozenset((token_time, token_end)))
148
token_month = Token(re.compile(r"(\d+)M"),
149
datetime.timedelta(weeks=4),
150
frozenset((token_day, token_end)))
151
token_year = Token(re.compile(r"(\d+)Y"),
152
datetime.timedelta(weeks=52),
153
frozenset((token_month, token_end)))
154
token_week = Token(re.compile(r"(\d+)W"),
155
datetime.timedelta(weeks=1),
156
frozenset((token_end, )))
157
token_duration = Token(re.compile(r"P"), None,
158
frozenset((token_year, token_month,
159
token_day, token_time,
161
# Define starting values:
163
value = datetime.timedelta()
165
# Following valid tokens
166
followers = frozenset((token_duration, ))
167
# String left to parse
169
# Loop until end token is found
170
while found_token is not token_end:
171
# Search for any currently valid tokens
172
for token in followers:
173
match = token.regexp.match(s)
174
if match is not None:
176
if token.value is not None:
177
# Value found, parse digits
178
factor = int(match.group(1), 10)
179
# Add to value so far
180
value += factor * token.value
181
# Strip token from string
182
s = token.regexp.sub("", s, 1)
185
# Set valid next tokens
186
followers = found_token.followers
189
# No currently valid tokens were found
190
raise ValueError("Invalid RFC 3339 duration: {!r}"
74
.format(days = "{0}T".format(td.days) if td.days else "",
75
hours = td.seconds // 3600,
76
minutes = (td.seconds % 3600) // 60,
77
seconds = td.seconds % 60,
196
80
def string_to_delta(interval):
197
81
"""Parse a string and return a datetime.timedelta
199
>>> string_to_delta('7d')
83
>>> string_to_delta("7d")
200
84
datetime.timedelta(7)
201
>>> string_to_delta('60s')
85
>>> string_to_delta("60s")
202
86
datetime.timedelta(0, 60)
203
>>> string_to_delta('60m')
87
>>> string_to_delta("60m")
204
88
datetime.timedelta(0, 3600)
205
>>> string_to_delta('24h')
89
>>> string_to_delta("24h")
206
90
datetime.timedelta(1)
207
>>> string_to_delta('1w')
91
>>> string_to_delta("1w")
208
92
datetime.timedelta(7)
209
>>> string_to_delta('5m 30s')
93
>>> string_to_delta("5m 30s")
210
94
datetime.timedelta(0, 330)
214
return rfc3339_duration_to_delta(interval)
218
96
value = datetime.timedelta(0)
219
regexp = re.compile(r"(\d+)([dsmhw]?)")
97
regexp = re.compile("(\d+)([dsmhw]?)")
221
99
for num, suffix in regexp.findall(interval):
222
100
if suffix == "d":
223
101
value += datetime.timedelta(int(num))
323
198
parser.add_argument("--approval-duration",
324
199
help="Set duration of one client approval")
325
200
parser.add_argument("-H", "--host", help="Set host for client")
326
parser.add_argument("-s", "--secret",
327
type=argparse.FileType(mode="rb"),
201
parser.add_argument("-s", "--secret", type=file,
328
202
help="Set password blob (file) for client")
329
203
parser.add_argument("-A", "--approve", action="store_true",
330
204
help="Approve any current client request")
331
205
parser.add_argument("-D", "--deny", action="store_true",
332
206
help="Deny any current client request")
333
parser.add_argument("--check", action="store_true",
334
help="Run self-test")
335
207
parser.add_argument("client", nargs="*", help="Client name")
336
208
options = parser.parse_args()
338
if has_actions(options) and not (options.client or options.all):
210
if has_actions(options) and not options.client and not options.all:
339
211
parser.error("Options require clients names or --all.")
340
212
if options.verbose and has_actions(options):
341
parser.error("--verbose can only be used alone.")
342
if options.dump_json and (options.verbose
343
or has_actions(options)):
344
parser.error("--dump-json can only be used alone.")
213
parser.error("--verbose can only be used alone or with"
345
215
if options.all and not has_actions(options):
346
216
parser.error("--all requires an action.")
350
fail_count, test_count = doctest.testmod()
351
sys.exit(os.EX_OK if fail_count == 0 else 1)
354
219
bus = dbus.SystemBus()
355
220
mandos_dbus_objc = bus.get_object(busname, server_path)
356
221
except dbus.exceptions.DBusException:
357
print("Could not connect to Mandos server", file=sys.stderr)
222
print("Could not connect to Mandos server",
360
226
mandos_serv = dbus.Interface(mandos_dbus_objc,
361
dbus_interface=server_interface)
362
mandos_serv_object_manager = dbus.Interface(
363
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
365
# block stderr since dbus library prints to stderr
227
dbus_interface = server_interface)
229
#block stderr since dbus library prints to stderr
366
230
null = os.open(os.path.devnull, os.O_RDWR)
367
231
stderrcopy = os.dup(sys.stderr.fileno())
368
232
os.dup2(null, sys.stderr.fileno())
372
mandos_clients = {path: ifs_and_props[client_interface]
373
for path, ifs_and_props in
374
mandos_serv_object_manager
375
.GetManagedObjects().items()
376
if client_interface in ifs_and_props}
236
mandos_clients = mandos_serv.GetAllClientsWithProperties()
379
239
os.dup2(stderrcopy, sys.stderr.fileno())
380
240
os.close(stderrcopy)
381
except dbus.exceptions.DBusException as e:
382
print("Access denied: "
383
"Accessing mandos server through D-Bus: {}".format(e),
241
except dbus.exceptions.DBusException:
242
print("Access denied: Accessing mandos server through dbus.",
387
246
# Compile dict of (clients: properties) to process
390
249
if options.all or not options.client:
391
clients = {bus.get_object(busname, path): properties
392
for path, properties in mandos_clients.items()}
250
clients = dict((bus.get_object(busname, path), properties)
251
for path, properties in
252
mandos_clients.iteritems())
394
254
for name in options.client:
395
for path, client in mandos_clients.items():
255
for path, client in mandos_clients.iteritems():
396
256
if client["Name"] == name:
397
257
client_objc = bus.get_object(busname, path)
398
258
clients[client_objc] = client
401
print("Client not found on server: {!r}"
261
print("Client not found on server: {0!r}"
402
262
.format(name), file=sys.stderr)
405
265
if not has_actions(options) and clients:
406
if options.verbose or options.dump_json:
407
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
408
"Created", "Interval", "Host", "KeyID",
409
"Fingerprint", "CheckerRunning",
267
keywords = ("Name", "Enabled", "Timeout",
268
"LastCheckedOK", "Created", "Interval",
269
"Host", "Fingerprint", "CheckerRunning",
410
270
"LastEnabled", "ApprovalPending",
411
"ApprovedByDefault", "LastApprovalRequest",
412
"ApprovalDelay", "ApprovalDuration",
413
"Checker", "ExtendedTimeout", "Expires",
272
"LastApprovalRequest", "ApprovalDelay",
273
"ApprovalDuration", "Checker",
416
276
keywords = defaultkeywords
418
if options.dump_json:
419
json.dump({client["Name"]: {key:
421
if isinstance(client[key],
425
for client in clients.values()},
426
fp=sys.stdout, indent=4,
427
separators=(',', ': '))
430
print_clients(clients.values(), keywords)
278
print_clients(clients.values(), keywords)
432
280
# Process each client in the list by all selected options
433
281
for client in clients:
435
def set_client_prop(prop, value):
436
"""Set a Client D-Bus property"""
437
client.Set(client_interface, prop, value,
438
dbus_interface=dbus.PROPERTIES_IFACE)
440
def set_client_prop_ms(prop, value):
441
"""Set a Client D-Bus property, converted
442
from a string to milliseconds."""
443
set_client_prop(prop,
444
string_to_delta(value).total_seconds()
447
282
if options.remove:
448
283
mandos_serv.RemoveClient(client.__dbus_object_path__)
449
284
if options.enable:
450
set_client_prop("Enabled", dbus.Boolean(True))
285
client.Set(client_interface, "Enabled",
287
dbus_interface=dbus.PROPERTIES_IFACE)
451
288
if options.disable:
452
set_client_prop("Enabled", dbus.Boolean(False))
289
client.Set(client_interface, "Enabled",
291
dbus_interface=dbus.PROPERTIES_IFACE)
453
292
if options.bump_timeout:
454
set_client_prop("LastCheckedOK", "")
293
client.Set(client_interface, "LastCheckedOK", "",
294
dbus_interface=dbus.PROPERTIES_IFACE)
455
295
if options.start_checker:
456
set_client_prop("CheckerRunning", dbus.Boolean(True))
296
client.Set(client_interface, "CheckerRunning",
298
dbus_interface=dbus.PROPERTIES_IFACE)
457
299
if options.stop_checker:
458
set_client_prop("CheckerRunning", dbus.Boolean(False))
300
client.Set(client_interface, "CheckerRunning",
302
dbus_interface=dbus.PROPERTIES_IFACE)
459
303
if options.is_enabled:
460
if client.Get(client_interface, "Enabled",
461
dbus_interface=dbus.PROPERTIES_IFACE):
304
sys.exit(0 if client.Get(client_interface,
307
dbus.PROPERTIES_IFACE)
465
309
if options.checker is not None:
466
set_client_prop("Checker", options.checker)
310
client.Set(client_interface, "Checker",
312
dbus_interface=dbus.PROPERTIES_IFACE)
467
313
if options.host is not None:
468
set_client_prop("Host", options.host)
314
client.Set(client_interface, "Host", options.host,
315
dbus_interface=dbus.PROPERTIES_IFACE)
469
316
if options.interval is not None:
470
set_client_prop_ms("Interval", options.interval)
317
client.Set(client_interface, "Interval",
318
timedelta_to_milliseconds
319
(string_to_delta(options.interval)),
320
dbus_interface=dbus.PROPERTIES_IFACE)
471
321
if options.approval_delay is not None:
472
set_client_prop_ms("ApprovalDelay",
473
options.approval_delay)
322
client.Set(client_interface, "ApprovalDelay",
323
timedelta_to_milliseconds
324
(string_to_delta(options.
326
dbus_interface=dbus.PROPERTIES_IFACE)
474
327
if options.approval_duration is not None:
475
set_client_prop_ms("ApprovalDuration",
476
options.approval_duration)
328
client.Set(client_interface, "ApprovalDuration",
329
timedelta_to_milliseconds
330
(string_to_delta(options.
332
dbus_interface=dbus.PROPERTIES_IFACE)
477
333
if options.timeout is not None:
478
set_client_prop_ms("Timeout", options.timeout)
334
client.Set(client_interface, "Timeout",
335
timedelta_to_milliseconds
336
(string_to_delta(options.timeout)),
337
dbus_interface=dbus.PROPERTIES_IFACE)
479
338
if options.extended_timeout is not None:
480
set_client_prop_ms("ExtendedTimeout",
481
options.extended_timeout)
339
client.Set(client_interface, "ExtendedTimeout",
340
timedelta_to_milliseconds
341
(string_to_delta(options.extended_timeout)),
342
dbus_interface=dbus.PROPERTIES_IFACE)
482
343
if options.secret is not None:
483
set_client_prop("Secret",
484
dbus.ByteArray(options.secret.read()))
344
client.Set(client_interface, "Secret",
345
dbus.ByteArray(options.secret.read()),
346
dbus_interface=dbus.PROPERTIES_IFACE)
485
347
if options.approved_by_default is not None:
486
set_client_prop("ApprovedByDefault",
488
.approved_by_default))
348
client.Set(client_interface, "ApprovedByDefault",
350
.approved_by_default),
351
dbus_interface=dbus.PROPERTIES_IFACE)
489
352
if options.approve:
490
353
client.Approve(dbus.Boolean(True),
491
354
dbus_interface=client_interface)