65
52
"ApprovalDelay": "Approval Delay",
66
53
"ApprovalDuration": "Approval Duration",
67
54
"Checker": "Checker",
68
"ExtendedTimeout": "Extended Timeout"
55
"ExtendedTimeout" : "Extended Timeout"
70
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
71
58
domain = "se.recompile"
72
59
busname = domain + ".Mandos"
74
61
server_interface = domain + ".Mandos"
75
62
client_interface = domain + ".Mandos.Client"
80
dbus.OBJECT_MANAGER_IFACE
81
except AttributeError:
82
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))
84
71
def milliseconds_to_string(ms):
85
72
td = datetime.timedelta(0, 0, 0, ms)
86
return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
87
days = "{}T".format(td.days) if td.days else "",
88
hours = td.seconds // 3600,
89
minutes = (td.seconds % 3600) // 60,
90
seconds = td.seconds % 60))
93
def rfc3339_duration_to_delta(duration):
94
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
96
>>> rfc3339_duration_to_delta("P7D")
98
>>> rfc3339_duration_to_delta("PT60S")
99
datetime.timedelta(0, 60)
100
>>> rfc3339_duration_to_delta("PT60M")
101
datetime.timedelta(0, 3600)
102
>>> rfc3339_duration_to_delta("PT24H")
103
datetime.timedelta(1)
104
>>> rfc3339_duration_to_delta("P1W")
105
datetime.timedelta(7)
106
>>> rfc3339_duration_to_delta("PT5M30S")
107
datetime.timedelta(0, 330)
108
>>> rfc3339_duration_to_delta("P1DT3M20S")
109
datetime.timedelta(1, 200)
112
# Parsing an RFC 3339 duration with regular expressions is not
113
# possible - there would have to be multiple places for the same
114
# values, like seconds. The current code, while more esoteric, is
115
# cleaner without depending on a parsing library. If Python had a
116
# built-in library for parsing we would use it, but we'd like to
117
# avoid excessive use of external libraries.
119
# New type for defining tokens, syntax, and semantics all-in-one
120
Token = collections.namedtuple("Token", (
121
"regexp", # To match token; if "value" is not None, must have
122
# a "group" containing digits
123
"value", # datetime.timedelta or None
124
"followers")) # Tokens valid after this token
125
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
126
# the "duration" ABNF definition in RFC 3339, Appendix A.
127
token_end = Token(re.compile(r"$"), None, frozenset())
128
token_second = Token(re.compile(r"(\d+)S"),
129
datetime.timedelta(seconds=1),
130
frozenset((token_end, )))
131
token_minute = Token(re.compile(r"(\d+)M"),
132
datetime.timedelta(minutes=1),
133
frozenset((token_second, token_end)))
134
token_hour = Token(re.compile(r"(\d+)H"),
135
datetime.timedelta(hours=1),
136
frozenset((token_minute, token_end)))
137
token_time = Token(re.compile(r"T"),
139
frozenset((token_hour, token_minute,
141
token_day = Token(re.compile(r"(\d+)D"),
142
datetime.timedelta(days=1),
143
frozenset((token_time, token_end)))
144
token_month = Token(re.compile(r"(\d+)M"),
145
datetime.timedelta(weeks=4),
146
frozenset((token_day, token_end)))
147
token_year = Token(re.compile(r"(\d+)Y"),
148
datetime.timedelta(weeks=52),
149
frozenset((token_month, token_end)))
150
token_week = Token(re.compile(r"(\d+)W"),
151
datetime.timedelta(weeks=1),
152
frozenset((token_end, )))
153
token_duration = Token(re.compile(r"P"), None,
154
frozenset((token_year, token_month,
155
token_day, token_time,
157
# Define starting values
158
value = datetime.timedelta() # Value so far
160
followers = frozenset((token_duration, )) # Following valid tokens
161
s = duration # String left to parse
162
# Loop until end token is found
163
while found_token is not token_end:
164
# Search for any currently valid tokens
165
for token in followers:
166
match = token.regexp.match(s)
167
if match is not None:
169
if token.value is not None:
170
# Value found, parse digits
171
factor = int(match.group(1), 10)
172
# Add to value so far
173
value += factor * token.value
174
# Strip token from string
175
s = token.regexp.sub("", s, 1)
178
# Set valid next tokens
179
followers = found_token.followers
182
# No currently valid tokens were found
183
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,
189
80
def string_to_delta(interval):
190
81
"""Parse a string and return a datetime.timedelta
192
>>> string_to_delta('7d')
83
>>> string_to_delta("7d")
193
84
datetime.timedelta(7)
194
>>> string_to_delta('60s')
85
>>> string_to_delta("60s")
195
86
datetime.timedelta(0, 60)
196
>>> string_to_delta('60m')
87
>>> string_to_delta("60m")
197
88
datetime.timedelta(0, 3600)
198
>>> string_to_delta('24h')
89
>>> string_to_delta("24h")
199
90
datetime.timedelta(1)
200
>>> string_to_delta('1w')
91
>>> string_to_delta("1w")
201
92
datetime.timedelta(7)
202
>>> string_to_delta('5m 30s')
93
>>> string_to_delta("5m 30s")
203
94
datetime.timedelta(0, 330)
207
return rfc3339_duration_to_delta(interval)
211
96
value = datetime.timedelta(0)
212
regexp = re.compile(r"(\d+)([dsmhw]?)")
97
regexp = re.compile("(\d+)([dsmhw]?)")
214
99
for num, suffix in regexp.findall(interval):
215
100
if suffix == "d":
226
111
value += datetime.timedelta(0, 0, 0, int(num))
230
114
def print_clients(clients, keywords):
231
115
def valuetostring(value, keyword):
232
116
if type(value) is dbus.Boolean:
233
117
return "Yes" if value else "No"
234
118
if keyword in ("Timeout", "Interval", "ApprovalDelay",
235
"ApprovalDuration", "ExtendedTimeout"):
236
120
return milliseconds_to_string(value)
121
return unicode(value)
239
123
# Create format string to print table rows
240
format_string = " ".join("{{{key}:{width}}}".format(
241
width = max(len(tablewords[key]),
242
max(len(valuetostring(client[key], key))
243
for client in clients)),
124
format_string = " ".join("%%-%ds" %
125
max(len(tablewords[key]),
126
max(len(valuetostring(client[key],
245
130
for key in keywords)
246
131
# Print header line
247
print(format_string.format(**tablewords))
132
print(format_string % tuple(tablewords[key] for key in keywords))
248
133
for client in clients:
249
print(format_string.format(**{
250
key: valuetostring(client[key], key)
251
for key in keywords }))
134
print(format_string % tuple(valuetostring(client[key], key)
135
for key in keywords))
254
137
def has_actions(options):
255
138
return any((options.enable,
316
196
parser.add_argument("--approval-duration",
317
197
help="Set duration of one client approval")
318
198
parser.add_argument("-H", "--host", help="Set host for client")
319
parser.add_argument("-s", "--secret",
320
type=argparse.FileType(mode="rb"),
199
parser.add_argument("-s", "--secret", type=file,
321
200
help="Set password blob (file) for client")
322
201
parser.add_argument("-A", "--approve", action="store_true",
323
202
help="Approve any current client request")
324
203
parser.add_argument("-D", "--deny", action="store_true",
325
204
help="Deny any current client request")
326
parser.add_argument("--check", action="store_true",
327
help="Run self-test")
328
205
parser.add_argument("client", nargs="*", help="Client name")
329
206
options = parser.parse_args()
331
if has_actions(options) and not (options.client or options.all):
208
if has_actions(options) and not options.client and not options.all:
332
209
parser.error("Options require clients names or --all.")
333
210
if options.verbose and has_actions(options):
334
parser.error("--verbose can only be used alone.")
335
if options.dump_json and (options.verbose or has_actions(options)):
336
parser.error("--dump-json can only be used alone.")
211
parser.error("--verbose can only be used alone or with"
337
213
if options.all and not has_actions(options):
338
214
parser.error("--all requires an action.")
341
fail_count, test_count = doctest.testmod()
342
sys.exit(os.EX_OK if fail_count == 0 else 1)
345
217
bus = dbus.SystemBus()
346
218
mandos_dbus_objc = bus.get_object(busname, server_path)
347
219
except dbus.exceptions.DBusException:
348
print("Could not connect to Mandos server", file=sys.stderr)
220
print("Could not connect to Mandos server",
351
224
mandos_serv = dbus.Interface(mandos_dbus_objc,
352
225
dbus_interface = server_interface)
353
mandos_serv_object_manager = dbus.Interface(
354
mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
356
227
#block stderr since dbus library prints to stderr
357
228
null = os.open(os.path.devnull, os.O_RDWR)
363
mandos_clients = { path: ifs_and_props[client_interface]
364
for path, ifs_and_props in
365
mandos_serv_object_manager
366
.GetManagedObjects().items()
367
if client_interface in ifs_and_props }
234
mandos_clients = mandos_serv.GetAllClientsWithProperties()
370
237
os.dup2(stderrcopy, sys.stderr.fileno())
371
238
os.close(stderrcopy)
372
except dbus.exceptions.DBusException as e:
373
print("Access denied: Accessing mandos server through D-Bus: {}"
374
.format(e), file=sys.stderr)
239
except dbus.exceptions.DBusException:
240
print("Access denied: Accessing mandos server through dbus.",
377
244
# Compile dict of (clients: properties) to process
380
247
if options.all or not options.client:
381
clients = { bus.get_object(busname, path): properties
382
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())
384
252
for name in options.client:
385
for path, client in mandos_clients.items():
253
for path, client in mandos_clients.iteritems():
386
254
if client["Name"] == name:
387
255
client_objc = bus.get_object(busname, path)
388
256
clients[client_objc] = client
391
print("Client not found on server: {!r}"
392
.format(name), file=sys.stderr)
259
print("Client not found on server: %r" % name,
395
263
if not has_actions(options) and clients:
396
if options.verbose or options.dump_json:
397
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
398
"Created", "Interval", "Host", "Fingerprint",
399
"CheckerRunning", "LastEnabled",
400
"ApprovalPending", "ApprovedByDefault",
265
keywords = ("Name", "Enabled", "Timeout",
266
"LastCheckedOK", "Created", "Interval",
267
"Host", "Fingerprint", "CheckerRunning",
268
"LastEnabled", "ApprovalPending",
401
270
"LastApprovalRequest", "ApprovalDelay",
402
271
"ApprovalDuration", "Checker",
403
272
"ExtendedTimeout")
405
274
keywords = defaultkeywords
407
if options.dump_json:
408
json.dump({client["Name"]: {key: client[key]
409
for key in keywords }
410
for client in clients.values() },
411
fp = sys.stdout, indent = 4,
412
separators = (',', ': '))
415
print_clients(clients.values(), keywords)
276
print_clients(clients.values(), keywords)
417
278
# Process each client in the list by all selected options
418
279
for client in clients:
420
def set_client_prop(prop, value):
421
"""Set a Client D-Bus property"""
422
client.Set(client_interface, prop, value,
423
dbus_interface=dbus.PROPERTIES_IFACE)
425
def set_client_prop_ms(prop, value):
426
"""Set a Client D-Bus property, converted
427
from a string to milliseconds."""
428
set_client_prop(prop,
429
string_to_delta(value).total_seconds()
432
280
if options.remove:
433
281
mandos_serv.RemoveClient(client.__dbus_object_path__)
434
282
if options.enable:
435
set_client_prop("Enabled", dbus.Boolean(True))
283
client.Enable(dbus_interface=client_interface)
436
284
if options.disable:
437
set_client_prop("Enabled", dbus.Boolean(False))
285
client.Disable(dbus_interface=client_interface)
438
286
if options.bump_timeout:
439
set_client_prop("LastCheckedOK", "")
287
client.CheckedOK(dbus_interface=client_interface)
440
288
if options.start_checker:
441
set_client_prop("CheckerRunning", dbus.Boolean(True))
289
client.StartChecker(dbus_interface=client_interface)
442
290
if options.stop_checker:
443
set_client_prop("CheckerRunning", dbus.Boolean(False))
291
client.StopChecker(dbus_interface=client_interface)
444
292
if options.is_enabled:
445
293
sys.exit(0 if client.Get(client_interface,
448
296
dbus.PROPERTIES_IFACE)
450
298
if options.checker is not None:
451
set_client_prop("Checker", options.checker)
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
452
302
if options.host is not None:
453
set_client_prop("Host", options.host)
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
454
305
if options.interval is not None:
455
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)
456
310
if options.approval_delay is not None:
457
set_client_prop_ms("ApprovalDelay",
458
options.approval_delay)
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
459
316
if options.approval_duration is not None:
460
set_client_prop_ms("ApprovalDuration",
461
options.approval_duration)
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
462
322
if options.timeout is not None:
463
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)
464
327
if options.extended_timeout is not None:
465
set_client_prop_ms("ExtendedTimeout",
466
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)
467
332
if options.secret is not None:
468
set_client_prop("Secret",
469
dbus.ByteArray(options.secret.read()))
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(open(options.secret,
336
dbus_interface=dbus.PROPERTIES_IFACE)
470
337
if options.approved_by_default is not None:
471
set_client_prop("ApprovedByDefault",
473
.approved_by_default))
338
client.Set(client_interface, "ApprovedByDefault",
340
.approved_by_default),
341
dbus_interface=dbus.PROPERTIES_IFACE)
474
342
if options.approve:
475
343
client.Approve(dbus.Boolean(True),
476
344
dbus_interface=client_interface)