52
67
"ApprovalDelay": "Approval Delay",
53
68
"ApprovalDuration": "Approval Duration",
54
69
"Checker": "Checker",
70
"ExtendedTimeout": "Extended Timeout",
72
"LastCheckerStatus": "Last Checker Status",
56
74
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
57
domain = "se.bsnet.fukt"
75
domain = "se.recompile"
58
76
busname = domain + ".Mandos"
60
78
server_interface = domain + ".Mandos"
61
79
client_interface = domain + ".Mandos.Client"
64
def timedelta_to_milliseconds(td):
65
"""Convert a datetime.timedelta object to milliseconds"""
66
return ((td.days * 24 * 60 * 60 * 1000)
68
+ (td.microseconds // 1000))
84
dbus.OBJECT_MANAGER_IFACE
85
except AttributeError:
86
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
70
89
def milliseconds_to_string(ms):
71
90
td = datetime.timedelta(0, 0, 0, ms)
72
return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
73
% { "days": "%dT" % td.days if td.days else "",
74
"hours": td.seconds // 3600,
75
"minutes": (td.seconds % 3600) // 60,
76
"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}"
79
197
def string_to_delta(interval):
80
198
"""Parse a string and return a datetime.timedelta
82
>>> string_to_delta("7d")
200
>>> string_to_delta('7d')
83
201
datetime.timedelta(7)
84
>>> string_to_delta("60s")
202
>>> string_to_delta('60s')
85
203
datetime.timedelta(0, 60)
86
>>> string_to_delta("60m")
204
>>> string_to_delta('60m')
87
205
datetime.timedelta(0, 3600)
88
>>> string_to_delta("24h")
206
>>> string_to_delta('24h')
89
207
datetime.timedelta(1)
90
>>> string_to_delta("1w")
208
>>> string_to_delta('1w')
91
209
datetime.timedelta(7)
92
>>> string_to_delta("5m 30s")
210
>>> string_to_delta('5m 30s')
93
211
datetime.timedelta(0, 330)
95
timevalue = datetime.timedelta(0)
96
regexp = re.compile("\d+[dsmhw]")
98
for s in regexp.findall(interval):
100
suffix = unicode(s[-1])
103
delta = datetime.timedelta(value)
105
delta = datetime.timedelta(0, value)
107
delta = datetime.timedelta(0, 0, 0, 0, value)
109
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
111
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
114
except (ValueError, IndexError):
215
return rfc3339_duration_to_delta(interval)
219
value = datetime.timedelta(0)
220
regexp = re.compile(r"(\d+)([dsmhw]?)")
222
for num, suffix in regexp.findall(interval):
224
value += datetime.timedelta(int(num))
226
value += datetime.timedelta(0, int(num))
228
value += datetime.timedelta(0, 0, 0, 0, int(num))
230
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
232
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
234
value += datetime.timedelta(0, 0, 0, int(num))
119
238
def print_clients(clients, keywords):
120
239
def valuetostring(value, keyword):
121
240
if type(value) is dbus.Boolean:
122
241
return "Yes" if value else "No"
123
242
if keyword in ("Timeout", "Interval", "ApprovalDelay",
243
"ApprovalDuration", "ExtendedTimeout"):
125
244
return milliseconds_to_string(value)
126
return unicode(value)
128
247
# Create format string to print table rows
129
format_string = " ".join("%%-%ds" %
130
max(len(tablewords[key]),
131
max(len(valuetostring(client[key],
248
format_string = " ".join("{{{key}:{width}}}".format(
249
width=max(len(tablewords[key]),
250
max(len(valuetostring(client[key], key))
251
for client in clients)),
135
253
for key in keywords)
136
254
# Print header line
137
print(format_string % tuple(tablewords[key] for key in keywords))
255
print(format_string.format(**tablewords))
138
256
for client in clients:
139
print(format_string % tuple(valuetostring(client[key], key)
140
for key in keywords))
258
.format(**{key: valuetostring(client[key], key)
259
for key in keywords}))
142
262
def has_actions(options):
143
263
return any((options.enable,
198
324
parser.add_argument("--approval-duration",
199
325
help="Set duration of one client approval")
200
326
parser.add_argument("-H", "--host", help="Set host for client")
201
parser.add_argument("-s", "--secret", type=file,
327
parser.add_argument("-s", "--secret",
328
type=argparse.FileType(mode="rb"),
202
329
help="Set password blob (file) for client")
203
330
parser.add_argument("-A", "--approve", action="store_true",
204
331
help="Approve any current client request")
205
332
parser.add_argument("-D", "--deny", action="store_true",
206
333
help="Deny any current client request")
334
parser.add_argument("--check", action="store_true",
335
help="Run self-test")
207
336
parser.add_argument("client", nargs="*", help="Client name")
208
337
options = parser.parse_args()
210
if has_actions(options) and not options.client and not options.all:
339
if has_actions(options) and not (options.client or options.all):
211
340
parser.error("Options require clients names or --all.")
212
341
if options.verbose and has_actions(options):
213
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.")
215
346
if options.all and not has_actions(options):
216
347
parser.error("--all requires an action.")
219
350
bus = dbus.SystemBus()
220
351
mandos_dbus_objc = bus.get_object(busname, server_path)
221
352
except dbus.exceptions.DBusException:
222
print("Could not connect to Mandos server",
353
print("Could not connect to Mandos server", file=sys.stderr)
226
356
mandos_serv = dbus.Interface(mandos_dbus_objc,
227
dbus_interface = server_interface)
229
#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
230
362
null = os.open(os.path.devnull, os.O_RDWR)
231
363
stderrcopy = os.dup(sys.stderr.fileno())
232
364
os.dup2(null, sys.stderr.fileno())
236
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}
239
375
os.dup2(stderrcopy, sys.stderr.fileno())
240
376
os.close(stderrcopy)
241
except dbus.exceptions.DBusException, e:
242
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),
246
383
# Compile dict of (clients: properties) to process
249
386
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())
387
clients = {bus.get_object(busname, path): properties
388
for path, properties in mandos_clients.items()}
254
390
for name in options.client:
255
for path, client in mandos_clients.iteritems():
391
for path, client in mandos_clients.items():
256
392
if client["Name"] == name:
257
393
client_objc = bus.get_object(busname, path)
258
394
clients[client_objc] = client
261
print("Client not found on server: %r" % name,
397
print("Client not found on server: {!r}"
398
.format(name), file=sys.stderr)
265
401
if not has_actions(options) and clients:
267
keywords = ("Name", "Enabled", "Timeout",
268
"LastCheckedOK", "Created", "Interval",
269
"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",
270
406
"LastEnabled", "ApprovalPending",
272
"LastApprovalRequest", "ApprovalDelay",
273
"ApprovalDuration", "Checker")
407
"ApprovedByDefault", "LastApprovalRequest",
408
"ApprovalDelay", "ApprovalDuration",
409
"Checker", "ExtendedTimeout", "Expires",
275
412
keywords = defaultkeywords
277
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)
279
428
# Process each client in the list by all selected options
280
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()
281
443
if options.remove:
282
444
mandos_serv.RemoveClient(client.__dbus_object_path__)
283
445
if options.enable:
284
client.Enable(dbus_interface=client_interface)
446
set_client_prop("Enabled", dbus.Boolean(True))
285
447
if options.disable:
286
client.Disable(dbus_interface=client_interface)
448
set_client_prop("Enabled", dbus.Boolean(False))
287
449
if options.bump_timeout:
288
client.CheckedOK(dbus_interface=client_interface)
450
set_client_prop("LastCheckedOK", "")
289
451
if options.start_checker:
290
client.StartChecker(dbus_interface=client_interface)
452
set_client_prop("CheckerRunning", dbus.Boolean(True))
291
453
if options.stop_checker:
292
client.StopChecker(dbus_interface=client_interface)
454
set_client_prop("CheckerRunning", dbus.Boolean(False))
293
455
if options.is_enabled:
294
sys.exit(0 if client.Get(client_interface,
297
dbus.PROPERTIES_IFACE)
300
client.Set(client_interface, "Checker",
302
dbus_interface=dbus.PROPERTIES_IFACE)
304
client.Set(client_interface, "Host", options.host,
305
dbus_interface=dbus.PROPERTIES_IFACE)
307
client.Set(client_interface, "Interval",
308
timedelta_to_milliseconds
309
(string_to_delta(options.interval)),
310
dbus_interface=dbus.PROPERTIES_IFACE)
311
if options.approval_delay:
312
client.Set(client_interface, "ApprovalDelay",
313
timedelta_to_milliseconds
314
(string_to_delta(options.
316
dbus_interface=dbus.PROPERTIES_IFACE)
317
if options.approval_duration:
318
client.Set(client_interface, "ApprovalDuration",
319
timedelta_to_milliseconds
320
(string_to_delta(options.
322
dbus_interface=dbus.PROPERTIES_IFACE)
324
client.Set(client_interface, "Timeout",
325
timedelta_to_milliseconds
326
(string_to_delta(options.timeout)),
327
dbus_interface=dbus.PROPERTIES_IFACE)
329
client.Set(client_interface, "Secret",
330
dbus.ByteArray(open(options.secret,
332
dbus_interface=dbus.PROPERTIES_IFACE)
456
if client.Get(client_interface, "Enabled",
457
dbus_interface=dbus.PROPERTIES_IFACE):
461
if options.checker is not None:
462
set_client_prop("Checker", options.checker)
463
if options.host is not None:
464
set_client_prop("Host", options.host)
465
if options.interval is not None:
466
set_client_prop_ms("Interval", options.interval)
467
if options.approval_delay is not None:
468
set_client_prop_ms("ApprovalDelay",
469
options.approval_delay)
470
if options.approval_duration is not None:
471
set_client_prop_ms("ApprovalDuration",
472
options.approval_duration)
473
if options.timeout is not None:
474
set_client_prop_ms("Timeout", options.timeout)
475
if options.extended_timeout is not None:
476
set_client_prop_ms("ExtendedTimeout",
477
options.extended_timeout)
478
if options.secret is not None:
479
set_client_prop("Secret",
480
dbus.ByteArray(options.secret.read()))
333
481
if options.approved_by_default is not None:
334
client.Set(client_interface, "ApprovedByDefault",
336
.approved_by_default),
337
dbus_interface=dbus.PROPERTIES_IFACE)
482
set_client_prop("ApprovedByDefault",
484
.approved_by_default))
338
485
if options.approve:
339
486
client.Approve(dbus.Boolean(True),
340
487
dbus_interface=client_interface)