52
66
"ApprovalDelay": "Approval Delay",
53
67
"ApprovalDuration": "Approval Duration",
54
68
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
69
"ExtendedTimeout": "Extended Timeout",
71
"LastCheckerStatus": "Last Checker Status",
57
73
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
74
domain = "se.recompile"
59
75
busname = domain + ".Mandos"
61
77
server_interface = domain + ".Mandos"
62
78
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))
83
dbus.OBJECT_MANAGER_IFACE
84
except AttributeError:
85
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
88
def milliseconds_to_string(ms):
72
89
td = datetime.timedelta(0, 0, 0, ms)
73
90
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
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,
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}"
80
196
def string_to_delta(interval):
81
197
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
199
>>> string_to_delta('7d')
84
200
datetime.timedelta(7)
85
>>> string_to_delta("60s")
201
>>> string_to_delta('60s')
86
202
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
203
>>> string_to_delta('60m')
88
204
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
205
>>> string_to_delta('24h')
90
206
datetime.timedelta(1)
91
>>> string_to_delta("1w")
207
>>> string_to_delta('1w')
92
208
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
209
>>> string_to_delta('5m 30s')
94
210
datetime.timedelta(0, 330)
214
return rfc3339_duration_to_delta(interval)
96
218
value = datetime.timedelta(0)
97
regexp = re.compile("(\d+)([dsmhw]?)")
219
regexp = re.compile(r"(\d+)([dsmhw]?)")
99
221
for num, suffix in regexp.findall(interval):
100
222
if suffix == "d":
101
223
value += datetime.timedelta(int(num))
198
323
parser.add_argument("--approval-duration",
199
324
help="Set duration of one client approval")
200
325
parser.add_argument("-H", "--host", help="Set host for client")
201
parser.add_argument("-s", "--secret", type=file,
326
parser.add_argument("-s", "--secret",
327
type=argparse.FileType(mode="rb"),
202
328
help="Set password blob (file) for client")
203
329
parser.add_argument("-A", "--approve", action="store_true",
204
330
help="Approve any current client request")
205
331
parser.add_argument("-D", "--deny", action="store_true",
206
332
help="Deny any current client request")
333
parser.add_argument("--check", action="store_true",
334
help="Run self-test")
207
335
parser.add_argument("client", nargs="*", help="Client name")
208
336
options = parser.parse_args()
210
if has_actions(options) and not options.client and not options.all:
338
if has_actions(options) and not (options.client or options.all):
211
339
parser.error("Options require clients names or --all.")
212
340
if options.verbose and has_actions(options):
213
parser.error("--verbose can only be used alone or with"
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.")
215
345
if options.all and not has_actions(options):
216
346
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)
219
354
bus = dbus.SystemBus()
220
355
mandos_dbus_objc = bus.get_object(busname, server_path)
221
356
except dbus.exceptions.DBusException:
222
print("Could not connect to Mandos server",
357
print("Could not connect to Mandos server", file=sys.stderr)
226
360
mandos_serv = dbus.Interface(mandos_dbus_objc,
227
dbus_interface = server_interface)
229
#block stderr since dbus library prints to stderr
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
230
366
null = os.open(os.path.devnull, os.O_RDWR)
231
367
stderrcopy = os.dup(sys.stderr.fileno())
232
368
os.dup2(null, sys.stderr.fileno())
236
mandos_clients = mandos_serv.GetAllClientsWithProperties()
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}
239
379
os.dup2(stderrcopy, sys.stderr.fileno())
240
380
os.close(stderrcopy)
241
except dbus.exceptions.DBusException:
242
print("Access denied: Accessing mandos server through dbus.",
381
except dbus.exceptions.DBusException as e:
382
print("Access denied: "
383
"Accessing mandos server through D-Bus: {}".format(e),
246
387
# Compile dict of (clients: properties) to process
249
390
if options.all or not options.client:
250
clients = dict((bus.get_object(busname, path), properties)
251
for path, properties in
252
mandos_clients.iteritems())
391
clients = {bus.get_object(busname, path): properties
392
for path, properties in mandos_clients.items()}
254
394
for name in options.client:
255
for path, client in mandos_clients.iteritems():
395
for path, client in mandos_clients.items():
256
396
if client["Name"] == name:
257
397
client_objc = bus.get_object(busname, path)
258
398
clients[client_objc] = client
261
print("Client not found on server: {0!r}"
401
print("Client not found on server: {!r}"
262
402
.format(name), file=sys.stderr)
265
405
if not has_actions(options) and clients:
267
keywords = ("Name", "Enabled", "Timeout",
268
"LastCheckedOK", "Created", "Interval",
269
"Host", "Fingerprint", "CheckerRunning",
406
if options.verbose or options.dump_json:
407
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
408
"Created", "Interval", "Host", "KeyID",
409
"Fingerprint", "CheckerRunning",
270
410
"LastEnabled", "ApprovalPending",
272
"LastApprovalRequest", "ApprovalDelay",
273
"ApprovalDuration", "Checker",
411
"ApprovedByDefault", "LastApprovalRequest",
412
"ApprovalDelay", "ApprovalDuration",
413
"Checker", "ExtendedTimeout", "Expires",
276
416
keywords = defaultkeywords
278
print_clients(clients.values(), keywords)
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)
280
432
# Process each client in the list by all selected options
281
433
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()
282
447
if options.remove:
283
448
mandos_serv.RemoveClient(client.__dbus_object_path__)
284
449
if options.enable:
285
client.Enable(dbus_interface=client_interface)
450
set_client_prop("Enabled", dbus.Boolean(True))
286
451
if options.disable:
287
client.Disable(dbus_interface=client_interface)
452
set_client_prop("Enabled", dbus.Boolean(False))
288
453
if options.bump_timeout:
289
client.CheckedOK(dbus_interface=client_interface)
454
set_client_prop("LastCheckedOK", "")
290
455
if options.start_checker:
291
client.StartChecker(dbus_interface=client_interface)
456
set_client_prop("CheckerRunning", dbus.Boolean(True))
292
457
if options.stop_checker:
293
client.StopChecker(dbus_interface=client_interface)
458
set_client_prop("CheckerRunning", dbus.Boolean(False))
294
459
if options.is_enabled:
295
sys.exit(0 if client.Get(client_interface,
298
dbus.PROPERTIES_IFACE)
460
if client.Get(client_interface, "Enabled",
461
dbus_interface=dbus.PROPERTIES_IFACE):
300
465
if options.checker is not None:
301
client.Set(client_interface, "Checker",
303
dbus_interface=dbus.PROPERTIES_IFACE)
466
set_client_prop("Checker", options.checker)
304
467
if options.host is not None:
305
client.Set(client_interface, "Host", options.host,
306
dbus_interface=dbus.PROPERTIES_IFACE)
468
set_client_prop("Host", options.host)
307
469
if options.interval is not None:
308
client.Set(client_interface, "Interval",
309
timedelta_to_milliseconds
310
(string_to_delta(options.interval)),
311
dbus_interface=dbus.PROPERTIES_IFACE)
470
set_client_prop_ms("Interval", options.interval)
312
471
if options.approval_delay is not None:
313
client.Set(client_interface, "ApprovalDelay",
314
timedelta_to_milliseconds
315
(string_to_delta(options.
317
dbus_interface=dbus.PROPERTIES_IFACE)
472
set_client_prop_ms("ApprovalDelay",
473
options.approval_delay)
318
474
if options.approval_duration is not None:
319
client.Set(client_interface, "ApprovalDuration",
320
timedelta_to_milliseconds
321
(string_to_delta(options.
323
dbus_interface=dbus.PROPERTIES_IFACE)
475
set_client_prop_ms("ApprovalDuration",
476
options.approval_duration)
324
477
if options.timeout is not None:
325
client.Set(client_interface, "Timeout",
326
timedelta_to_milliseconds
327
(string_to_delta(options.timeout)),
328
dbus_interface=dbus.PROPERTIES_IFACE)
478
set_client_prop_ms("Timeout", options.timeout)
329
479
if options.extended_timeout is not None:
330
client.Set(client_interface, "ExtendedTimeout",
331
timedelta_to_milliseconds
332
(string_to_delta(options.extended_timeout)),
333
dbus_interface=dbus.PROPERTIES_IFACE)
480
set_client_prop_ms("ExtendedTimeout",
481
options.extended_timeout)
334
482
if options.secret is not None:
335
client.Set(client_interface, "Secret",
336
dbus.ByteArray(options.secret.read()),
337
dbus_interface=dbus.PROPERTIES_IFACE)
483
set_client_prop("Secret",
484
dbus.ByteArray(options.secret.read()))
338
485
if options.approved_by_default is not None:
339
client.Set(client_interface, "ApprovedByDefault",
341
.approved_by_default),
342
dbus_interface=dbus.PROPERTIES_IFACE)
486
set_client_prop("ApprovedByDefault",
488
.approved_by_default))
343
489
if options.approve:
344
490
client.Approve(dbus.Boolean(True),
345
491
dbus_interface=client_interface)