52
72
"ApprovalDelay": "Approval Delay",
53
73
"ApprovalDuration": "Approval Duration",
54
74
"Checker": "Checker",
55
"ExtendedTimeout" : "Extended Timeout"
75
"ExtendedTimeout": "Extended Timeout",
77
"LastCheckerStatus": "Last Checker Status",
57
79
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
80
domain = "se.recompile"
59
81
busname = domain + ".Mandos"
61
83
server_interface = domain + ".Mandos"
62
84
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))
89
dbus.OBJECT_MANAGER_IFACE
90
except AttributeError:
91
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
71
94
def milliseconds_to_string(ms):
72
95
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,
96
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
97
.format(days="{}T".format(td.days) if td.days else "",
98
hours=td.seconds // 3600,
99
minutes=(td.seconds % 3600) // 60,
100
seconds=td.seconds % 60))
103
def rfc3339_duration_to_delta(duration):
104
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
106
>>> rfc3339_duration_to_delta("P7D")
107
datetime.timedelta(7)
108
>>> rfc3339_duration_to_delta("PT60S")
109
datetime.timedelta(0, 60)
110
>>> rfc3339_duration_to_delta("PT60M")
111
datetime.timedelta(0, 3600)
112
>>> rfc3339_duration_to_delta("PT24H")
113
datetime.timedelta(1)
114
>>> rfc3339_duration_to_delta("P1W")
115
datetime.timedelta(7)
116
>>> rfc3339_duration_to_delta("PT5M30S")
117
datetime.timedelta(0, 330)
118
>>> rfc3339_duration_to_delta("P1DT3M20S")
119
datetime.timedelta(1, 200)
122
# Parsing an RFC 3339 duration with regular expressions is not
123
# possible - there would have to be multiple places for the same
124
# values, like seconds. The current code, while more esoteric, is
125
# cleaner without depending on a parsing library. If Python had a
126
# built-in library for parsing we would use it, but we'd like to
127
# avoid excessive use of external libraries.
129
# New type for defining tokens, syntax, and semantics all-in-one
130
Token = collections.namedtuple("Token", (
131
"regexp", # To match token; if "value" is not None, must have
132
# a "group" containing digits
133
"value", # datetime.timedelta or None
134
"followers")) # Tokens valid after this token
135
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
136
# the "duration" ABNF definition in RFC 3339, Appendix A.
137
token_end = Token(re.compile(r"$"), None, frozenset())
138
token_second = Token(re.compile(r"(\d+)S"),
139
datetime.timedelta(seconds=1),
140
frozenset((token_end, )))
141
token_minute = Token(re.compile(r"(\d+)M"),
142
datetime.timedelta(minutes=1),
143
frozenset((token_second, token_end)))
144
token_hour = Token(re.compile(r"(\d+)H"),
145
datetime.timedelta(hours=1),
146
frozenset((token_minute, token_end)))
147
token_time = Token(re.compile(r"T"),
149
frozenset((token_hour, token_minute,
151
token_day = Token(re.compile(r"(\d+)D"),
152
datetime.timedelta(days=1),
153
frozenset((token_time, token_end)))
154
token_month = Token(re.compile(r"(\d+)M"),
155
datetime.timedelta(weeks=4),
156
frozenset((token_day, token_end)))
157
token_year = Token(re.compile(r"(\d+)Y"),
158
datetime.timedelta(weeks=52),
159
frozenset((token_month, token_end)))
160
token_week = Token(re.compile(r"(\d+)W"),
161
datetime.timedelta(weeks=1),
162
frozenset((token_end, )))
163
token_duration = Token(re.compile(r"P"), None,
164
frozenset((token_year, token_month,
165
token_day, token_time,
167
# Define starting values:
169
value = datetime.timedelta()
171
# Following valid tokens
172
followers = frozenset((token_duration, ))
173
# String left to parse
175
# Loop until end token is found
176
while found_token is not token_end:
177
# Search for any currently valid tokens
178
for token in followers:
179
match = token.regexp.match(s)
180
if match is not None:
182
if token.value is not None:
183
# Value found, parse digits
184
factor = int(match.group(1), 10)
185
# Add to value so far
186
value += factor * token.value
187
# Strip token from string
188
s = token.regexp.sub("", s, 1)
191
# Set valid next tokens
192
followers = found_token.followers
195
# No currently valid tokens were found
196
raise ValueError("Invalid RFC 3339 duration: {!r}"
80
202
def string_to_delta(interval):
81
203
"""Parse a string and return a datetime.timedelta
83
>>> string_to_delta("7d")
205
>>> string_to_delta('7d')
84
206
datetime.timedelta(7)
85
>>> string_to_delta("60s")
207
>>> string_to_delta('60s')
86
208
datetime.timedelta(0, 60)
87
>>> string_to_delta("60m")
209
>>> string_to_delta('60m')
88
210
datetime.timedelta(0, 3600)
89
>>> string_to_delta("24h")
211
>>> string_to_delta('24h')
90
212
datetime.timedelta(1)
91
>>> string_to_delta("1w")
213
>>> string_to_delta('1w')
92
214
datetime.timedelta(7)
93
>>> string_to_delta("5m 30s")
215
>>> string_to_delta('5m 30s')
94
216
datetime.timedelta(0, 330)
96
timevalue = datetime.timedelta(0)
97
regexp = re.compile("\d+[dsmhw]")
99
for s in regexp.findall(interval):
101
suffix = unicode(s[-1])
104
delta = datetime.timedelta(value)
106
delta = datetime.timedelta(0, value)
108
delta = datetime.timedelta(0, 0, 0, 0, value)
110
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
112
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
115
except (ValueError, IndexError):
220
return rfc3339_duration_to_delta(interval)
224
value = datetime.timedelta(0)
225
regexp = re.compile(r"(\d+)([dsmhw]?)")
227
for num, suffix in regexp.findall(interval):
229
value += datetime.timedelta(int(num))
231
value += datetime.timedelta(0, int(num))
233
value += datetime.timedelta(0, 0, 0, 0, int(num))
235
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
237
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
239
value += datetime.timedelta(0, 0, 0, int(num))
120
243
def print_clients(clients, keywords):
121
244
def valuetostring(value, keyword):
122
245
if type(value) is dbus.Boolean:
123
246
return "Yes" if value else "No"
124
247
if keyword in ("Timeout", "Interval", "ApprovalDelay",
248
"ApprovalDuration", "ExtendedTimeout"):
126
249
return milliseconds_to_string(value)
127
return unicode(value)
129
252
# Create format string to print table rows
130
format_string = " ".join("%%-%ds" %
131
max(len(tablewords[key]),
132
max(len(valuetostring(client[key],
253
format_string = " ".join("{{{key}:{width}}}".format(
254
width=max(len(tablewords[key]),
255
max(len(valuetostring(client[key], key))
256
for client in clients)),
136
258
for key in keywords)
137
259
# Print header line
138
print(format_string % tuple(tablewords[key] for key in keywords))
260
print(format_string.format(**tablewords))
139
261
for client in clients:
140
print(format_string % tuple(valuetostring(client[key], key)
141
for key in keywords))
263
.format(**{key: valuetostring(client[key], key)
264
for key in keywords}))
143
267
def has_actions(options):
144
268
return any((options.enable,
202
329
parser.add_argument("--approval-duration",
203
330
help="Set duration of one client approval")
204
331
parser.add_argument("-H", "--host", help="Set host for client")
205
parser.add_argument("-s", "--secret", type=file,
332
parser.add_argument("-s", "--secret",
333
type=argparse.FileType(mode="rb"),
206
334
help="Set password blob (file) for client")
207
335
parser.add_argument("-A", "--approve", action="store_true",
208
336
help="Approve any current client request")
209
337
parser.add_argument("-D", "--deny", action="store_true",
210
338
help="Deny any current client request")
339
parser.add_argument("--check", action="store_true",
340
help="Run self-test")
211
341
parser.add_argument("client", nargs="*", help="Client name")
212
342
options = parser.parse_args()
214
if has_actions(options) and not options.client and not options.all:
344
if has_actions(options) and not (options.client or options.all):
215
345
parser.error("Options require clients names or --all.")
216
346
if options.verbose and has_actions(options):
217
parser.error("--verbose can only be used alone or with"
347
parser.error("--verbose can only be used alone.")
348
if options.dump_json and (options.verbose
349
or has_actions(options)):
350
parser.error("--dump-json can only be used alone.")
219
351
if options.all and not has_actions(options):
220
352
parser.error("--all requires an action.")
223
355
bus = dbus.SystemBus()
224
356
mandos_dbus_objc = bus.get_object(busname, server_path)
225
357
except dbus.exceptions.DBusException:
226
print("Could not connect to Mandos server",
358
log.critical("Could not connect to Mandos server")
230
361
mandos_serv = dbus.Interface(mandos_dbus_objc,
231
dbus_interface = server_interface)
233
#block stderr since dbus library prints to stderr
362
dbus_interface=server_interface)
363
mandos_serv_object_manager = dbus.Interface(
364
mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
366
# block stderr since dbus library prints to stderr
234
367
null = os.open(os.path.devnull, os.O_RDWR)
235
368
stderrcopy = os.dup(sys.stderr.fileno())
236
369
os.dup2(null, sys.stderr.fileno())
240
mandos_clients = mandos_serv.GetAllClientsWithProperties()
373
mandos_clients = {path: ifs_and_props[client_interface]
374
for path, ifs_and_props in
375
mandos_serv_object_manager
376
.GetManagedObjects().items()
377
if client_interface in ifs_and_props}
243
380
os.dup2(stderrcopy, sys.stderr.fileno())
244
381
os.close(stderrcopy)
245
except dbus.exceptions.DBusException, e:
246
print("Access denied: Accessing mandos server through dbus.",
382
except dbus.exceptions.DBusException as e:
383
log.critical("Failed to access Mandos server through D-Bus:"
250
387
# Compile dict of (clients: properties) to process
253
390
if options.all or not options.client:
254
clients = dict((bus.get_object(busname, path), properties)
255
for path, properties in
256
mandos_clients.iteritems())
391
clients = {bus.get_object(busname, path): properties
392
for path, properties in mandos_clients.items()}
258
394
for name in options.client:
259
for path, client in mandos_clients.iteritems():
395
for path, client in mandos_clients.items():
260
396
if client["Name"] == name:
261
397
client_objc = bus.get_object(busname, path)
262
398
clients[client_objc] = client
265
print("Client not found on server: %r" % name,
401
log.critical("Client not found on server: %r", name)
269
404
if not has_actions(options) and clients:
271
keywords = ("Name", "Enabled", "Timeout",
272
"LastCheckedOK", "Created", "Interval",
273
"Host", "Fingerprint", "CheckerRunning",
405
if options.verbose or options.dump_json:
406
keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
407
"Created", "Interval", "Host", "KeyID",
408
"Fingerprint", "CheckerRunning",
274
409
"LastEnabled", "ApprovalPending",
276
"LastApprovalRequest", "ApprovalDelay",
277
"ApprovalDuration", "Checker",
410
"ApprovedByDefault", "LastApprovalRequest",
411
"ApprovalDelay", "ApprovalDuration",
412
"Checker", "ExtendedTimeout", "Expires",
280
415
keywords = defaultkeywords
282
print_clients(clients.values(), keywords)
417
if options.dump_json:
418
json.dump({client["Name"]: {key:
420
if isinstance(client[key],
424
for client in clients.values()},
425
fp=sys.stdout, indent=4,
426
separators=(',', ': '))
429
print_clients(clients.values(), keywords)
284
431
# Process each client in the list by all selected options
285
432
for client in clients:
434
def set_client_prop(prop, value):
435
"""Set a Client D-Bus property"""
436
client.Set(client_interface, prop, value,
437
dbus_interface=dbus.PROPERTIES_IFACE)
439
def set_client_prop_ms(prop, value):
440
"""Set a Client D-Bus property, converted
441
from a string to milliseconds."""
442
set_client_prop(prop,
443
string_to_delta(value).total_seconds()
286
446
if options.remove:
287
447
mandos_serv.RemoveClient(client.__dbus_object_path__)
288
448
if options.enable:
289
client.Enable(dbus_interface=client_interface)
449
set_client_prop("Enabled", dbus.Boolean(True))
290
450
if options.disable:
291
client.Disable(dbus_interface=client_interface)
451
set_client_prop("Enabled", dbus.Boolean(False))
292
452
if options.bump_timeout:
293
client.CheckedOK(dbus_interface=client_interface)
453
set_client_prop("LastCheckedOK", "")
294
454
if options.start_checker:
295
client.StartChecker(dbus_interface=client_interface)
455
set_client_prop("CheckerRunning", dbus.Boolean(True))
296
456
if options.stop_checker:
297
client.StopChecker(dbus_interface=client_interface)
457
set_client_prop("CheckerRunning", dbus.Boolean(False))
298
458
if options.is_enabled:
299
sys.exit(0 if client.Get(client_interface,
302
dbus.PROPERTIES_IFACE)
459
if client.Get(client_interface, "Enabled",
460
dbus_interface=dbus.PROPERTIES_IFACE):
304
464
if options.checker is not None:
305
client.Set(client_interface, "Checker",
307
dbus_interface=dbus.PROPERTIES_IFACE)
465
set_client_prop("Checker", options.checker)
308
466
if options.host is not None:
309
client.Set(client_interface, "Host", options.host,
310
dbus_interface=dbus.PROPERTIES_IFACE)
467
set_client_prop("Host", options.host)
311
468
if options.interval is not None:
312
client.Set(client_interface, "Interval",
313
timedelta_to_milliseconds
314
(string_to_delta(options.interval)),
315
dbus_interface=dbus.PROPERTIES_IFACE)
469
set_client_prop_ms("Interval", options.interval)
316
470
if options.approval_delay is not None:
317
client.Set(client_interface, "ApprovalDelay",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
471
set_client_prop_ms("ApprovalDelay",
472
options.approval_delay)
322
473
if options.approval_duration is not None:
323
client.Set(client_interface, "ApprovalDuration",
324
timedelta_to_milliseconds
325
(string_to_delta(options.
327
dbus_interface=dbus.PROPERTIES_IFACE)
474
set_client_prop_ms("ApprovalDuration",
475
options.approval_duration)
328
476
if options.timeout is not None:
329
client.Set(client_interface, "Timeout",
330
timedelta_to_milliseconds
331
(string_to_delta(options.timeout)),
332
dbus_interface=dbus.PROPERTIES_IFACE)
477
set_client_prop_ms("Timeout", options.timeout)
333
478
if options.extended_timeout is not None:
334
client.Set(client_interface, "ExtendedTimeout",
335
timedelta_to_milliseconds
336
(string_to_delta(options.extended_timeout)),
337
dbus_interface=dbus.PROPERTIES_IFACE)
479
set_client_prop_ms("ExtendedTimeout",
480
options.extended_timeout)
338
481
if options.secret is not None:
339
client.Set(client_interface, "Secret",
340
dbus.ByteArray(open(options.secret,
342
dbus_interface=dbus.PROPERTIES_IFACE)
482
set_client_prop("Secret",
483
dbus.ByteArray(options.secret.read()))
343
484
if options.approved_by_default is not None:
344
client.Set(client_interface, "ApprovedByDefault",
346
.approved_by_default),
347
dbus_interface=dbus.PROPERTIES_IFACE)
485
set_client_prop("ApprovedByDefault",
487
.approved_by_default))
348
488
if options.approve:
349
489
client.Approve(dbus.Boolean(True),
350
490
dbus_interface=client_interface)