52
67
"ApprovalDelay": "Approval Delay",
53
68
"ApprovalDuration": "Approval Duration",
54
69
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
70
"ExtendedTimeout": "Extended Timeout",
72
"LastCheckerStatus": "Last Checker Status",
57
74
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
75
domain = "se.recompile"
59
76
busname = domain + ".Mandos"
61
78
server_interface = domain + ".Mandos"
62
79
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))
84
dbus.OBJECT_MANAGER_IFACE
85
except AttributeError:
86
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
89
def milliseconds_to_string(ms):
72
90
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,
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}"
80
197
def string_to_delta(interval):
81
198
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
200
>>> string_to_delta('7d')
84
201
datetime.timedelta(7)
85
>>> string_to_delta("60s")
202
>>> string_to_delta('60s')
86
203
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
204
>>> string_to_delta('60m')
88
205
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
206
>>> string_to_delta('24h')
90
207
datetime.timedelta(1)
91
>>> string_to_delta("1w")
208
>>> string_to_delta('1w')
92
209
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
210
>>> string_to_delta('5m 30s')
94
211
datetime.timedelta(0, 330)
215
return rfc3339_duration_to_delta(interval)
96
219
value = datetime.timedelta(0)
97
regexp = re.compile("(\d+)([dsmhw]?)")
220
regexp = re.compile(r"(\d+)([dsmhw]?)")
99
222
for num, suffix in regexp.findall(interval):
100
223
if suffix == "d":
101
224
value += datetime.timedelta(int(num))
196
324
parser.add_argument("--approval-duration",
197
325
help="Set duration of one client approval")
198
326
parser.add_argument("-H", "--host", help="Set host for client")
199
parser.add_argument("-s", "--secret", type=file,
327
parser.add_argument("-s", "--secret",
328
type=argparse.FileType(mode="rb"),
200
329
help="Set password blob (file) for client")
201
330
parser.add_argument("-A", "--approve", action="store_true",
202
331
help="Approve any current client request")
203
332
parser.add_argument("-D", "--deny", action="store_true",
204
333
help="Deny any current client request")
334
parser.add_argument("--check", action="store_true",
335
help="Run self-test")
205
336
parser.add_argument("client", nargs="*", help="Client name")
206
337
options = parser.parse_args()
208
if has_actions(options) and not options.client and not options.all:
339
if has_actions(options) and not (options.client or options.all):
209
340
parser.error("Options require clients names or --all.")
210
341
if options.verbose and has_actions(options):
211
parser.error("--verbose can only be used alone or with"
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.")
213
346
if options.all and not has_actions(options):
214
347
parser.error("--all requires an action.")
217
350
bus = dbus.SystemBus()
218
351
mandos_dbus_objc = bus.get_object(busname, server_path)
219
352
except dbus.exceptions.DBusException:
220
print("Could not connect to Mandos server",
353
print("Could not connect to Mandos server", file=sys.stderr)
224
356
mandos_serv = dbus.Interface(mandos_dbus_objc,
225
dbus_interface = server_interface)
227
#block stderr since dbus library prints to stderr
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
228
362
null = os.open(os.path.devnull, os.O_RDWR)
229
363
stderrcopy = os.dup(sys.stderr.fileno())
230
364
os.dup2(null, sys.stderr.fileno())
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
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}
237
375
os.dup2(stderrcopy, sys.stderr.fileno())
238
376
os.close(stderrcopy)
239
except dbus.exceptions.DBusException:
240
print("Access denied: Accessing mandos server through dbus.",
377
except dbus.exceptions.DBusException as e:
378
print("Access denied: "
379
"Accessing mandos server through D-Bus: {}".format(e),
244
383
# Compile dict of (clients: properties) to process
247
386
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())
387
clients = {bus.get_object(busname, path): properties
388
for path, properties in mandos_clients.items()}
252
390
for name in options.client:
253
for path, client in mandos_clients.iteritems():
391
for path, client in mandos_clients.items():
254
392
if client["Name"] == name:
255
393
client_objc = bus.get_object(busname, path)
256
394
clients[client_objc] = client
259
print("Client not found on server: %r" % name,
397
print("Client not found on server: {!r}"
398
.format(name), file=sys.stderr)
263
401
if not has_actions(options) and clients:
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
402
if options.verbose or options.dump_json:
403
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
404
"Created", "Interval", "Host", "KeyID",
405
"Fingerprint", "CheckerRunning",
268
406
"LastEnabled", "ApprovalPending",
270
"LastApprovalRequest", "ApprovalDelay",
271
"ApprovalDuration", "Checker",
407
"ApprovedByDefault", "LastApprovalRequest",
408
"ApprovalDelay", "ApprovalDuration",
409
"Checker", "ExtendedTimeout", "Expires",
274
412
keywords = defaultkeywords
276
print_clients(clients.values(), keywords)
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)
278
428
# Process each client in the list by all selected options
279
429
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()
280
443
if options.remove:
281
444
mandos_serv.RemoveClient(client.__dbus_object_path__)
282
445
if options.enable:
283
client.Enable(dbus_interface=client_interface)
446
set_client_prop("Enabled", dbus.Boolean(True))
284
447
if options.disable:
285
client.Disable(dbus_interface=client_interface)
448
set_client_prop("Enabled", dbus.Boolean(False))
286
449
if options.bump_timeout:
287
client.CheckedOK(dbus_interface=client_interface)
450
set_client_prop("LastCheckedOK", "")
288
451
if options.start_checker:
289
client.StartChecker(dbus_interface=client_interface)
452
set_client_prop("CheckerRunning", dbus.Boolean(True))
290
453
if options.stop_checker:
291
client.StopChecker(dbus_interface=client_interface)
454
set_client_prop("CheckerRunning", dbus.Boolean(False))
292
455
if options.is_enabled:
293
sys.exit(0 if client.Get(client_interface,
296
dbus.PROPERTIES_IFACE)
456
if client.Get(client_interface, "Enabled",
457
dbus_interface=dbus.PROPERTIES_IFACE):
298
461
if options.checker is not None:
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
462
set_client_prop("Checker", options.checker)
302
463
if options.host is not None:
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
464
set_client_prop("Host", options.host)
305
465
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)
466
set_client_prop_ms("Interval", options.interval)
310
467
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)
468
set_client_prop_ms("ApprovalDelay",
469
options.approval_delay)
316
470
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)
471
set_client_prop_ms("ApprovalDuration",
472
options.approval_duration)
322
473
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)
474
set_client_prop_ms("Timeout", options.timeout)
327
475
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)
476
set_client_prop_ms("ExtendedTimeout",
477
options.extended_timeout)
332
478
if options.secret is not None:
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(open(options.secret,
336
dbus_interface=dbus.PROPERTIES_IFACE)
479
set_client_prop("Secret",
480
dbus.ByteArray(options.secret.read()))
337
481
if options.approved_by_default is not None:
338
client.Set(client_interface, "ApprovedByDefault",
340
.approved_by_default),
341
dbus_interface=dbus.PROPERTIES_IFACE)
482
set_client_prop("ApprovedByDefault",
484
.approved_by_default))
342
485
if options.approve:
343
486
client.Approve(dbus.Boolean(True),
344
487
dbus_interface=client_interface)