2
2
# -*- mode: python; coding: utf-8 -*-
4
from __future__ import division
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2008-2014 Teddy Hogeborn
7
# Copyright © 2008-2014 Björn Påhlsson
9
# This program is free software: you can redistribute it and/or modify
10
# it under the terms of the GNU General Public License as published by
11
# the Free Software Foundation, either version 3 of the License, or
12
# (at your option) any later version.
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
# GNU General Public License for more details.
19
# You should have received a copy of the GNU General Public License
20
# along with this program. If not, see
21
# <http://www.gnu.org/licenses/>.
23
# Contact the authors at <mandos@recompile.se>.
26
from __future__ import (division, absolute_import, print_function,
30
from future_builtins import *
7
from optparse import OptionParser
12
locale.setlocale(locale.LC_ALL, u'')
45
if sys.version_info.major == 2:
48
locale.setlocale(locale.LC_ALL, "")
16
'enabled': u'Enabled',
17
'timeout': u'Timeout',
18
'last_checked_ok': u'Last Successful Check',
19
'created': u'Created',
20
'interval': u'Interval',
22
'fingerprint': u'Fingerprint',
23
'checker_running': u'Check Is Running',
24
'last_enabled': u'Last Enabled',
25
'checker': u'Checker',
54
"LastCheckedOK": "Last Successful Check",
55
"LastApprovalRequest": "Last Approval Request",
57
"Interval": "Interval",
59
"Fingerprint": "Fingerprint",
60
"CheckerRunning": "Check Is Running",
61
"LastEnabled": "Last Enabled",
62
"ApprovalPending": "Approval Is Pending",
63
"ApprovedByDefault": "Approved By Default",
64
"ApprovalDelay": "Approval Delay",
65
"ApprovalDuration": "Approval Duration",
67
"ExtendedTimeout" : "Extended Timeout"
27
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
29
domain = 'se.bsnet.fukt'
30
busname = domain + '.Mandos'
32
server_interface = domain + '.Mandos'
33
client_interface = domain + '.Mandos.Client'
35
bus = dbus.SystemBus()
36
mandos_dbus_objc = bus.get_object(busname, server_path)
37
mandos_serv = dbus.Interface(mandos_dbus_objc,
38
dbus_interface = server_interface)
39
mandos_clients = mandos_serv.GetAllClientsWithProperties()
41
def timedelta_to_milliseconds(td):
42
"Convert a datetime.timedelta object to milliseconds"
43
return ((td.days * 24 * 60 * 60 * 1000)
45
+ (td.microseconds // 1000))
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
70
domain = "se.recompile"
71
busname = domain + ".Mandos"
73
server_interface = domain + ".Mandos"
74
client_interface = domain + ".Mandos.Client"
47
77
def milliseconds_to_string(ms):
48
78
td = datetime.timedelta(0, 0, 0, ms)
49
return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
50
% { "days": "%dT" % td.days if td.days else "",
51
"hours": td.seconds // 3600,
52
"minutes": (td.seconds % 3600) // 60,
53
"seconds": td.seconds % 60,
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")
57
186
def string_to_delta(interval):
58
187
"""Parse a string and return a datetime.timedelta
60
>>> string_to_delta('7d')
189
>>> string_to_delta("7d")
61
190
datetime.timedelta(7)
62
>>> string_to_delta('60s')
191
>>> string_to_delta("60s")
63
192
datetime.timedelta(0, 60)
64
>>> string_to_delta('60m')
193
>>> string_to_delta("60m")
65
194
datetime.timedelta(0, 3600)
66
>>> string_to_delta('24h')
195
>>> string_to_delta("24h")
67
196
datetime.timedelta(1)
68
>>> string_to_delta(u'1w')
197
>>> string_to_delta("1w")
69
198
datetime.timedelta(7)
70
>>> string_to_delta('5m 30s')
199
>>> string_to_delta("5m 30s")
71
200
datetime.timedelta(0, 330)
73
timevalue = datetime.timedelta(0)
74
regexp = re.compile("\d+[dsmhw]")
76
for s in regexp.findall(interval):
78
suffix = unicode(s[-1])
81
delta = datetime.timedelta(value)
83
delta = datetime.timedelta(0, value)
85
delta = datetime.timedelta(0, 0, 0, 0, value)
87
delta = datetime.timedelta(0, 0, 0, 0, 0, value)
89
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
92
except (ValueError, IndexError):
204
return rfc3339_duration_to_delta(interval)
208
value = datetime.timedelta(0)
209
regexp = re.compile(r"(\d+)([dsmhw]?)")
211
for num, suffix in regexp.findall(interval):
213
value += datetime.timedelta(int(num))
215
value += datetime.timedelta(0, int(num))
217
value += datetime.timedelta(0, 0, 0, 0, int(num))
219
value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
221
value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
223
value += datetime.timedelta(0, 0, 0, int(num))
97
def print_clients(clients):
226
def print_clients(clients, keywords):
98
227
def valuetostring(value, keyword):
99
228
if type(value) is dbus.Boolean:
100
return u"Yes" if value else u"No"
101
if keyword in (u"timeout", u"interval"):
229
return "Yes" if value else "No"
230
if keyword in ("Timeout", "Interval", "ApprovalDelay",
231
"ApprovalDuration", "ExtendedTimeout"):
102
232
return milliseconds_to_string(value)
103
return unicode(value)
105
235
# Create format string to print table rows
106
format_string = u' '.join(u'%%-%ds' %
107
max(len(tablewords[key]),
108
max(len(valuetostring(client[key], key))
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)
112
243
# Print header line
113
print format_string % tuple(tablewords[key] for key in keywords)
244
print(format_string.format(**tablewords))
114
245
for client in clients:
115
print format_string % tuple(valuetostring(client[key], key)
118
parser = OptionParser(version = "%%prog %s" % version)
119
parser.add_option("-a", "--all", action="store_true",
120
help="Print all fields")
121
parser.add_option("-e", "--enable", action="store_true",
122
help="Enable client")
123
parser.add_option("-d", "--disable", action="store_true",
124
help="disable client")
125
parser.add_option("-b", "--bump-timeout", action="store_true",
126
help="Bump timeout for client")
127
parser.add_option("--start-checker", action="store_true",
128
help="Start checker for client")
129
parser.add_option("--stop-checker", action="store_true",
130
help="Stop checker for client")
131
parser.add_option("-V", "--is-enabled", action="store_true",
132
help="Check if client is enabled")
133
parser.add_option("-r", "--remove", action="store_true",
134
help="Remove client")
135
parser.add_option("-c", "--checker", type="string",
136
help="Set checker command for client")
137
parser.add_option("-t", "--timeout", type="string",
138
help="Set timeout for client")
139
parser.add_option("-i", "--interval", type="string",
140
help="Set checker interval for client")
141
parser.add_option("-H", "--host", type="string",
142
help="Set host for client")
143
parser.add_option("-s", "--secret", type="string",
144
help="Set password blob (file) for client")
145
options, client_names = parser.parse_args()
147
# Compile list of clients to process
149
for name in client_names:
150
for path, client in mandos_clients.iteritems():
151
if client['name'] == name:
152
client_objc = bus.get_object(busname, path)
153
clients.append(client_objc)
156
print >> sys.stderr, "Client not found on server: %r" % name
159
if not clients and mandos_clients.values():
160
keywords = defaultkeywords
162
keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
163
'created', 'interval', 'host', 'fingerprint',
164
'checker_running', 'last_enabled', 'checker')
165
print_clients(mandos_clients.values())
167
# Process each client in the list by all selected options
168
for client in clients:
170
mandos_serv.RemoveClient(client.__dbus_object_path__)
172
client.Enable(dbus_interface=client_interface)
174
client.Disable(dbus_interface=client_interface)
175
if options.bump_timeout:
176
client.CheckedOK(dbus_interface=client_interface)
177
if options.start_checker:
178
client.StartChecker(dbus_interface=client_interface)
179
if options.stop_checker:
180
client.StopChecker(dbus_interface=client_interface)
181
if options.is_enabled:
182
sys.exit(0 if client.Get(client_interface,
184
dbus_interface=dbus.PROPERTIES_IFACE)
187
client.Set(client_interface, u"checker", options.checker,
188
dbus_interface=dbus.PROPERTIES_IFACE)
190
client.Set(client_interface, u"host", options.host,
191
dbus_interface=dbus.PROPERTIES_IFACE)
193
client.Set(client_interface, u"interval",
194
timedelta_to_milliseconds
195
(string_to_delta(options.interval)),
196
dbus_interface=dbus.PROPERTIES_IFACE)
198
client.Set(client_interface, u"timeout",
199
timedelta_to_milliseconds(string_to_delta
201
dbus_interface=dbus.PROPERTIES_IFACE)
203
client.Set(client_interface, u"secret",
204
dbus.ByteArray(open(options.secret, u'rb').read()),
205
dbus_interface=dbus.PROPERTIES_IFACE)
246
print(format_string.format(**{ key:
247
valuetostring(client[key],
249
for key in keywords }))
251
def has_actions(options):
252
return any((options.enable,
254
options.bump_timeout,
255
options.start_checker,
256
options.stop_checker,
259
options.checker is not None,
260
options.timeout is not None,
261
options.extended_timeout is not None,
262
options.interval is not None,
263
options.approved_by_default is not None,
264
options.approval_delay is not None,
265
options.approval_duration is not None,
266
options.host is not None,
267
options.secret is not None,
272
parser = argparse.ArgumentParser()
273
parser.add_argument("--version", action="version",
274
version = "%(prog)s {}".format(version),
275
help="show version number and exit")
276
parser.add_argument("-a", "--all", action="store_true",
277
help="Select all clients")
278
parser.add_argument("-v", "--verbose", action="store_true",
279
help="Print all fields")
280
parser.add_argument("-e", "--enable", action="store_true",
281
help="Enable client")
282
parser.add_argument("-d", "--disable", action="store_true",
283
help="disable client")
284
parser.add_argument("-b", "--bump-timeout", action="store_true",
285
help="Bump timeout for client")
286
parser.add_argument("--start-checker", action="store_true",
287
help="Start checker for client")
288
parser.add_argument("--stop-checker", action="store_true",
289
help="Stop checker for client")
290
parser.add_argument("-V", "--is-enabled", action="store_true",
291
help="Check if client is enabled")
292
parser.add_argument("-r", "--remove", action="store_true",
293
help="Remove client")
294
parser.add_argument("-c", "--checker",
295
help="Set checker command for client")
296
parser.add_argument("-t", "--timeout",
297
help="Set timeout for client")
298
parser.add_argument("--extended-timeout",
299
help="Set extended timeout for client")
300
parser.add_argument("-i", "--interval",
301
help="Set checker interval for client")
302
parser.add_argument("--approve-by-default", action="store_true",
303
default=None, dest="approved_by_default",
304
help="Set client to be approved by default")
305
parser.add_argument("--deny-by-default", action="store_false",
306
dest="approved_by_default",
307
help="Set client to be denied by default")
308
parser.add_argument("--approval-delay",
309
help="Set delay before client approve/deny")
310
parser.add_argument("--approval-duration",
311
help="Set duration of one client approval")
312
parser.add_argument("-H", "--host", help="Set host for client")
313
parser.add_argument("-s", "--secret",
314
type=argparse.FileType(mode="rb"),
315
help="Set password blob (file) for client")
316
parser.add_argument("-A", "--approve", action="store_true",
317
help="Approve any current client request")
318
parser.add_argument("-D", "--deny", action="store_true",
319
help="Deny any current client request")
320
parser.add_argument("--check", action="store_true",
321
help="Run self-test")
322
parser.add_argument("client", nargs="*", help="Client name")
323
options = parser.parse_args()
325
if has_actions(options) and not (options.client or options.all):
326
parser.error("Options require clients names or --all.")
327
if options.verbose and has_actions(options):
328
parser.error("--verbose can only be used alone or with"
330
if options.all and not has_actions(options):
331
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
bus = dbus.SystemBus()
339
mandos_dbus_objc = bus.get_object(busname, server_path)
340
except dbus.exceptions.DBusException:
341
print("Could not connect to Mandos server",
345
mandos_serv = dbus.Interface(mandos_dbus_objc,
346
dbus_interface = server_interface)
348
#block stderr since dbus library prints to stderr
349
null = os.open(os.path.devnull, os.O_RDWR)
350
stderrcopy = os.dup(sys.stderr.fileno())
351
os.dup2(null, sys.stderr.fileno())
355
mandos_clients = mandos_serv.GetAllClientsWithProperties()
358
os.dup2(stderrcopy, sys.stderr.fileno())
360
except dbus.exceptions.DBusException:
361
print("Access denied: Accessing mandos server through dbus.",
365
# Compile dict of (clients: properties) to process
368
if options.all or not options.client:
369
clients = { bus.get_object(busname, path): properties
370
for path, properties in mandos_clients.items() }
372
for name in options.client:
373
for path, client in mandos_clients.items():
374
if client["Name"] == name:
375
client_objc = bus.get_object(busname, path)
376
clients[client_objc] = client
379
print("Client not found on server: {!r}"
380
.format(name), file=sys.stderr)
383
if not has_actions(options) and clients:
385
keywords = ("Name", "Enabled", "Timeout",
386
"LastCheckedOK", "Created", "Interval",
387
"Host", "Fingerprint", "CheckerRunning",
388
"LastEnabled", "ApprovalPending",
390
"LastApprovalRequest", "ApprovalDelay",
391
"ApprovalDuration", "Checker",
394
keywords = defaultkeywords
396
print_clients(clients.values(), keywords)
398
# Process each client in the list by all selected options
399
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()
411
mandos_serv.RemoveClient(client.__dbus_object_path__)
413
set_client_prop("Enabled", dbus.Boolean(True))
415
set_client_prop("Enabled", dbus.Boolean(False))
416
if options.bump_timeout:
417
set_client_prop("LastCheckedOK", "")
418
if options.start_checker:
419
set_client_prop("CheckerRunning", dbus.Boolean(True))
420
if options.stop_checker:
421
set_client_prop("CheckerRunning", dbus.Boolean(False))
422
if options.is_enabled:
423
sys.exit(0 if client.Get(client_interface,
426
dbus.PROPERTIES_IFACE)
428
if options.checker is not None:
429
set_client_prop("Checker", options.checker)
430
if options.host is not None:
431
set_client_prop("Host", options.host)
432
if options.interval is not None:
433
set_client_prop_ms("Interval", options.interval)
434
if options.approval_delay is not None:
435
set_client_prop_ms("ApprovalDelay",
436
options.approval_delay)
437
if options.approval_duration is not None:
438
set_client_prop_ms("ApprovalDuration",
439
options.approval_duration)
440
if options.timeout is not None:
441
set_client_prop_ms("Timeout", options.timeout)
442
if options.extended_timeout is not None:
443
set_client_prop_ms("ExtendedTimeout",
444
options.extended_timeout)
445
if options.secret is not None:
446
set_client_prop("Secret",
447
dbus.ByteArray(options.secret.read()))
448
if options.approved_by_default is not None:
449
set_client_prop("ApprovedByDefault",
451
.approved_by_default))
453
client.Approve(dbus.Boolean(True),
454
dbus_interface=client_interface)
456
client.Approve(dbus.Boolean(False),
457
dbus_interface=client_interface)
459
if __name__ == "__main__":