73
61
server_interface = domain + ".Mandos"
74
62
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))
77
71
def milliseconds_to_string(ms):
78
72
td = datetime.timedelta(0, 0, 0, ms)
79
return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
80
.format(days = "{}T".format(td.days) if td.days else "",
81
hours = td.seconds // 3600,
82
minutes = (td.seconds % 3600) // 60,
83
seconds = td.seconds % 60,
87
def rfc3339_duration_to_delta(duration):
88
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
90
>>> rfc3339_duration_to_delta("P7D")
92
>>> rfc3339_duration_to_delta("PT60S")
93
datetime.timedelta(0, 60)
94
>>> rfc3339_duration_to_delta("PT60M")
95
datetime.timedelta(0, 3600)
96
>>> rfc3339_duration_to_delta("PT24H")
98
>>> rfc3339_duration_to_delta("P1W")
100
>>> rfc3339_duration_to_delta("PT5M30S")
101
datetime.timedelta(0, 330)
102
>>> rfc3339_duration_to_delta("P1DT3M20S")
103
datetime.timedelta(1, 200)
106
# Parsing an RFC 3339 duration with regular expressions is not
107
# possible - there would have to be multiple places for the same
108
# values, like seconds. The current code, while more esoteric, is
109
# cleaner without depending on a parsing library. If Python had a
110
# built-in library for parsing we would use it, but we'd like to
111
# avoid excessive use of external libraries.
113
# New type for defining tokens, syntax, and semantics all-in-one
114
Token = collections.namedtuple("Token",
115
("regexp", # To match token; if
116
# "value" is not None,
117
# must have a "group"
119
"value", # datetime.timedelta or
121
"followers")) # Tokens valid after
123
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
124
# the "duration" ABNF definition in RFC 3339, Appendix A.
125
token_end = Token(re.compile(r"$"), None, frozenset())
126
token_second = Token(re.compile(r"(\d+)S"),
127
datetime.timedelta(seconds=1),
128
frozenset((token_end,)))
129
token_minute = Token(re.compile(r"(\d+)M"),
130
datetime.timedelta(minutes=1),
131
frozenset((token_second, token_end)))
132
token_hour = Token(re.compile(r"(\d+)H"),
133
datetime.timedelta(hours=1),
134
frozenset((token_minute, token_end)))
135
token_time = Token(re.compile(r"T"),
137
frozenset((token_hour, token_minute,
139
token_day = Token(re.compile(r"(\d+)D"),
140
datetime.timedelta(days=1),
141
frozenset((token_time, token_end)))
142
token_month = Token(re.compile(r"(\d+)M"),
143
datetime.timedelta(weeks=4),
144
frozenset((token_day, token_end)))
145
token_year = Token(re.compile(r"(\d+)Y"),
146
datetime.timedelta(weeks=52),
147
frozenset((token_month, token_end)))
148
token_week = Token(re.compile(r"(\d+)W"),
149
datetime.timedelta(weeks=1),
150
frozenset((token_end,)))
151
token_duration = Token(re.compile(r"P"), None,
152
frozenset((token_year, token_month,
153
token_day, token_time,
155
# Define starting values
156
value = datetime.timedelta() # Value so far
158
followers = frozenset((token_duration,)) # Following valid tokens
159
s = duration # String left to parse
160
# Loop until end token is found
161
while found_token is not token_end:
162
# Search for any currently valid tokens
163
for token in followers:
164
match = token.regexp.match(s)
165
if match is not None:
167
if token.value is not None:
168
# Value found, parse digits
169
factor = int(match.group(1), 10)
170
# Add to value so far
171
value += factor * token.value
172
# Strip token from string
173
s = token.regexp.sub("", s, 1)
176
# Set valid next tokens
177
followers = found_token.followers
180
# No currently valid tokens were found
181
raise ValueError("Invalid RFC 3339 duration")
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,
186
80
def string_to_delta(interval):
187
81
"""Parse a string and return a datetime.timedelta
228
116
if type(value) is dbus.Boolean:
229
117
return "Yes" if value else "No"
230
118
if keyword in ("Timeout", "Interval", "ApprovalDelay",
231
"ApprovalDuration", "ExtendedTimeout"):
232
120
return milliseconds_to_string(value)
121
return unicode(value)
235
123
# Create format string to print table rows
236
format_string = " ".join("{{{key}:{width}}}".format(
237
width = max(len(tablewords[key]),
238
max(len(valuetostring(client[key],
242
key = key) for key in keywords)
124
format_string = " ".join("%%-%ds" %
125
max(len(tablewords[key]),
126
max(len(valuetostring(client[key],
243
131
# Print header line
244
print(format_string.format(**tablewords))
132
print(format_string % tuple(tablewords[key] for key in keywords))
245
133
for client in clients:
246
print(format_string.format(**{ key:
247
valuetostring(client[key],
249
for key in keywords }))
134
print(format_string % tuple(valuetostring(client[key], key)
135
for key in keywords))
251
137
def has_actions(options):
252
138
return any((options.enable,
310
196
parser.add_argument("--approval-duration",
311
197
help="Set duration of one client approval")
312
198
parser.add_argument("-H", "--host", help="Set host for client")
313
parser.add_argument("-s", "--secret",
314
type=argparse.FileType(mode="rb"),
199
parser.add_argument("-s", "--secret", type=file,
315
200
help="Set password blob (file) for client")
316
201
parser.add_argument("-A", "--approve", action="store_true",
317
202
help="Approve any current client request")
318
203
parser.add_argument("-D", "--deny", action="store_true",
319
204
help="Deny any current client request")
320
parser.add_argument("--check", action="store_true",
321
help="Run self-test")
322
205
parser.add_argument("client", nargs="*", help="Client name")
323
206
options = parser.parse_args()
325
if has_actions(options) and not (options.client or options.all):
208
if has_actions(options) and not options.client and not options.all:
326
209
parser.error("Options require clients names or --all.")
327
210
if options.verbose and has_actions(options):
328
211
parser.error("--verbose can only be used alone or with"
330
213
if options.all and not has_actions(options):
331
214
parser.error("--all requires an action.")
334
fail_count, test_count = doctest.testmod()
335
sys.exit(os.EX_OK if fail_count == 0 else 1)
338
217
bus = dbus.SystemBus()
398
278
# Process each client in the list by all selected options
399
279
for client in clients:
400
def set_client_prop(prop, value):
401
"""Set a Client D-Bus property"""
402
client.Set(client_interface, prop, value,
403
dbus_interface=dbus.PROPERTIES_IFACE)
404
def set_client_prop_ms(prop, value):
405
"""Set a Client D-Bus property, converted
406
from a string to milliseconds."""
407
set_client_prop(prop,
408
string_to_delta(value).total_seconds()
410
280
if options.remove:
411
281
mandos_serv.RemoveClient(client.__dbus_object_path__)
412
282
if options.enable:
413
set_client_prop("Enabled", dbus.Boolean(True))
283
client.Enable(dbus_interface=client_interface)
414
284
if options.disable:
415
set_client_prop("Enabled", dbus.Boolean(False))
285
client.Disable(dbus_interface=client_interface)
416
286
if options.bump_timeout:
417
set_client_prop("LastCheckedOK", "")
287
client.CheckedOK(dbus_interface=client_interface)
418
288
if options.start_checker:
419
set_client_prop("CheckerRunning", dbus.Boolean(True))
289
client.StartChecker(dbus_interface=client_interface)
420
290
if options.stop_checker:
421
set_client_prop("CheckerRunning", dbus.Boolean(False))
291
client.StopChecker(dbus_interface=client_interface)
422
292
if options.is_enabled:
423
293
sys.exit(0 if client.Get(client_interface,
426
296
dbus.PROPERTIES_IFACE)
428
298
if options.checker is not None:
429
set_client_prop("Checker", options.checker)
299
client.Set(client_interface, "Checker",
301
dbus_interface=dbus.PROPERTIES_IFACE)
430
302
if options.host is not None:
431
set_client_prop("Host", options.host)
303
client.Set(client_interface, "Host", options.host,
304
dbus_interface=dbus.PROPERTIES_IFACE)
432
305
if options.interval is not None:
433
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)
434
310
if options.approval_delay is not None:
435
set_client_prop_ms("ApprovalDelay",
436
options.approval_delay)
311
client.Set(client_interface, "ApprovalDelay",
312
timedelta_to_milliseconds
313
(string_to_delta(options.
315
dbus_interface=dbus.PROPERTIES_IFACE)
437
316
if options.approval_duration is not None:
438
set_client_prop_ms("ApprovalDuration",
439
options.approval_duration)
317
client.Set(client_interface, "ApprovalDuration",
318
timedelta_to_milliseconds
319
(string_to_delta(options.
321
dbus_interface=dbus.PROPERTIES_IFACE)
440
322
if options.timeout is not None:
441
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)
442
327
if options.extended_timeout is not None:
443
set_client_prop_ms("ExtendedTimeout",
444
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)
445
332
if options.secret is not None:
446
set_client_prop("Secret",
447
dbus.ByteArray(options.secret.read()))
333
client.Set(client_interface, "Secret",
334
dbus.ByteArray(options.secret.read()),
335
dbus_interface=dbus.PROPERTIES_IFACE)
448
336
if options.approved_by_default is not None:
449
set_client_prop("ApprovedByDefault",
451
.approved_by_default))
337
client.Set(client_interface, "ApprovedByDefault",
339
.approved_by_default),
340
dbus_interface=dbus.PROPERTIES_IFACE)
452
341
if options.approve:
453
342
client.Approve(dbus.Boolean(True),
454
343
dbus_interface=client_interface)