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- Committer: Teddy Hogeborn
- Date: 2016-03-23 07:11:22 UTC
- mto: (237.7.594 trunk)
- mto: This revision was merged to the branch mainline in revision 343.
- Revision ID: teddy@recompile.se-20160323071122-55srtjdizr21rr7f
Use HTTPS in home page links
Since we have a real certificate now, change all links to the home
page to use HTTPS.
* README: Use HTTPS in home page links
* debian/control (Source: mandos/Homepage): - '' -
* debian/copyright (Source): - '' -
* intro.xml (SEE ALSO): - '' -
* mandos.lsm (Primary-site): - '' -
Since we have a real certificate now, change all links to the home
page to use HTTPS.
* README: Use HTTPS in home page links
* debian/control (Source: mandos/Homepage): - '' -
* debian/copyright (Source): - '' -
* intro.xml (SEE ALSO): - '' -
* mandos.lsm (Primary-site): - '' -
- files modified:
- INSTALL
added
removed
mandos
1
1
#!/usr/bin/python
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# -*- mode: python; coding: utf-8 -*-
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#
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#
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# Mandos server - give out binary blobs to connecting clients.
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#
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#
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# This program is partly derived from an example program for an Avahi
7
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# service publisher, downloaded from
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# <http://avahi.org/wiki/PythonPublishExample>. This includes the
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# methods "add", "remove", "server_state_changed",
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# "entry_group_state_changed", "cleanup", and "activate" in the
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# "AvahiService" class, and some lines in "main".
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#
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#
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# Everything else is
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# Copyright © 2008-2016 Teddy Hogeborn
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# Copyright © 2008-2016 Björn Påhlsson
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#
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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#
30
#
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# Contact the authors at <mandos@recompile.se>.
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#
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#
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from __future__ import (division, absolute_import, print_function,
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unicode_literals)
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import xml.dom.minidom
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import inspect
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# Try to find the value of SO_BINDTODEVICE:
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try:
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# This is where SO_BINDTODEVICE is in Python 3.3 (or 3.4?) and
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# newer, and it is also the most natural place for it:
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90
SO_BINDTODEVICE = socket.SO_BINDTODEVICE
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except AttributeError:
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try:
96
# This is where SO_BINDTODEVICE was up to and including Python
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# 2.6, and also 3.2:
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from IN import SO_BINDTODEVICE
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except ImportError:
100
# In Python 2.7 it seems to have been removed entirely.
101
# Try running the C preprocessor:
102
try:
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cc = subprocess.Popen(["cc", "--language=c", "-E",
104
"/dev/stdin"],
105
stdin=subprocess.PIPE,
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stdout=subprocess.PIPE)
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stdout = cc.communicate(
108
"#include <sys/socket.h>\nSO_BINDTODEVICE\n")[0]
109
SO_BINDTODEVICE = int(stdout.splitlines()[-1])
110
except (OSError, ValueError, IndexError):
111
# No value found
112
SO_BINDTODEVICE = None
95
SO_BINDTODEVICE = None
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114
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if sys.version_info.major == 2:
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str = unicode
116
99
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version = "1.7.13"
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version = "1.7.7"
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stored_state_file = "clients.pickle"
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logger = logging.getLogger()
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if_nametoindex = ctypes.cdll.LoadLibrary(
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ctypes.util.find_library("c")).if_nametoindex
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except (OSError, AttributeError):
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110
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def if_nametoindex(interface):
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"Get an interface index the hard way, i.e. using fcntl()"
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SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
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def initlogger(debug, level=logging.WARNING):
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"""init logger and add loglevel"""
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global syslogger
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syslogger = (logging.handlers.SysLogHandler(
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facility=logging.handlers.SysLogHandler.LOG_DAEMON,
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address="/dev/log"))
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facility = logging.handlers.SysLogHandler.LOG_DAEMON,
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address = "/dev/log"))
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syslogger.setFormatter(logging.Formatter
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('Mandos [%(process)d]: %(levelname)s:'
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' %(message)s'))
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logger.addHandler(syslogger)
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if debug:
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console = logging.StreamHandler()
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console.setFormatter(logging.Formatter('%(asctime)s %(name)s'
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class PGPEngine(object):
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"""A simple class for OpenPGP symmetric encryption & decryption"""
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def __init__(self):
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self.tempdir = tempfile.mkdtemp(prefix="mandos-")
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self.gpg = "gpg"
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self.gnupgargs = ['--batch',
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'--homedir', self.tempdir,
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'--force-mdc',
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'--quiet']
201
# Only GPG version 1 has the --no-use-agent option.
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if self.gpg == "gpg" or self.gpg.endswith("/gpg"):
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self.gnupgargs.append("--no-use-agent")
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'--quiet',
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'--no-use-agent']
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self._cleanup()
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return False
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def __del__(self):
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self._cleanup()
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def _cleanup(self):
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if self.tempdir is not None:
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# Delete contents of tempdir
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for root, dirs, files in os.walk(self.tempdir,
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topdown=False):
200
topdown = False):
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for filename in files:
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os.remove(os.path.join(root, filename))
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for dirname in dirs:
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# Remove tempdir
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os.rmdir(self.tempdir)
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self.tempdir = None
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def password_encode(self, password):
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# Passphrase can not be empty and can not contain newlines or
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# NUL bytes. So we prefix it and hex encode it.
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.replace(b"\n", b"\\n")
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.replace(b"\0", b"\\x00"))
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return encoded
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def encrypt(self, data, password):
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passphrase = self.password_encode(password)
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with tempfile.NamedTemporaryFile(
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'--passphrase-file',
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passfile.name]
248
229
+ self.gnupgargs,
249
stdin=subprocess.PIPE,
250
stdout=subprocess.PIPE,
251
stderr=subprocess.PIPE)
252
ciphertext, err = proc.communicate(input=data)
230
stdin = subprocess.PIPE,
231
stdout = subprocess.PIPE,
232
stderr = subprocess.PIPE)
233
ciphertext, err = proc.communicate(input = data)
253
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if proc.returncode != 0:
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raise PGPError(err)
255
236
return ciphertext
256
237
257
238
def decrypt(self, data, password):
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239
passphrase = self.password_encode(password)
259
240
with tempfile.NamedTemporaryFile(
260
dir=self.tempdir) as passfile:
241
dir = self.tempdir) as passfile:
261
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passfile.write(passphrase)
262
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passfile.flush()
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proc = subprocess.Popen([self.gpg, '--decrypt',
264
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'--passphrase-file',
265
246
passfile.name]
266
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+ self.gnupgargs,
267
stdin=subprocess.PIPE,
268
stdout=subprocess.PIPE,
269
stderr=subprocess.PIPE)
270
decrypted_plaintext, err = proc.communicate(input=data)
248
stdin = subprocess.PIPE,
249
stdout = subprocess.PIPE,
250
stderr = subprocess.PIPE)
251
decrypted_plaintext, err = proc.communicate(input = data)
271
252
if proc.returncode != 0:
272
253
raise PGPError(err)
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return decrypted_plaintext
274
255
275
276
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# Pretend that we have an Avahi module
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class Avahi(object):
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"""This isn't so much a class as it is a module-like namespace.
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It is instantiated once, and simulates having an Avahi module."""
280
IF_UNSPEC = -1 # avahi-common/address.h
281
PROTO_UNSPEC = -1 # avahi-common/address.h
282
PROTO_INET = 0 # avahi-common/address.h
283
PROTO_INET6 = 1 # avahi-common/address.h
260
IF_UNSPEC = -1 # avahi-common/address.h
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PROTO_UNSPEC = -1 # avahi-common/address.h
262
PROTO_INET = 0 # avahi-common/address.h
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PROTO_INET6 = 1 # avahi-common/address.h
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264
DBUS_NAME = "org.freedesktop.Avahi"
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DBUS_INTERFACE_ENTRY_GROUP = DBUS_NAME + ".EntryGroup"
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DBUS_INTERFACE_SERVER = DBUS_NAME + ".Server"
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267
DBUS_PATH_SERVER = "/"
288
289
268
def string_array_to_txt_array(self, t):
290
269
return dbus.Array((dbus.ByteArray(s.encode("utf-8"))
291
270
for s in t), signature="ay")
292
ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
293
ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h
294
ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h
295
SERVER_INVALID = 0 # avahi-common/defs.h
296
SERVER_REGISTERING = 1 # avahi-common/defs.h
297
SERVER_RUNNING = 2 # avahi-common/defs.h
298
SERVER_COLLISION = 3 # avahi-common/defs.h
299
SERVER_FAILURE = 4 # avahi-common/defs.h
271
ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
272
ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h
273
ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h
274
SERVER_INVALID = 0 # avahi-common/defs.h
275
SERVER_REGISTERING = 1 # avahi-common/defs.h
276
SERVER_RUNNING = 2 # avahi-common/defs.h
277
SERVER_COLLISION = 3 # avahi-common/defs.h
278
SERVER_FAILURE = 4 # avahi-common/defs.h
300
279
avahi = Avahi()
301
280
302
303
281
class AvahiError(Exception):
304
282
def __init__(self, value, *args, **kwargs):
305
283
self.value = value
317
295
318
296
class AvahiService(object):
319
297
"""An Avahi (Zeroconf) service.
320
298
321
299
Attributes:
322
300
interface: integer; avahi.IF_UNSPEC or an interface index.
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301
Used to optionally bind to the specified interface.
335
313
server: D-Bus Server
336
314
bus: dbus.SystemBus()
337
315
"""
338
316
339
317
def __init__(self,
340
interface=avahi.IF_UNSPEC,
341
name=None,
342
servicetype=None,
343
port=None,
344
TXT=None,
345
domain="",
346
host="",
347
max_renames=32768,
348
protocol=avahi.PROTO_UNSPEC,
349
bus=None):
318
interface = avahi.IF_UNSPEC,
319
name = None,
320
servicetype = None,
321
port = None,
322
TXT = None,
323
domain = "",
324
host = "",
325
max_renames = 32768,
326
protocol = avahi.PROTO_UNSPEC,
327
bus = None):
350
328
self.interface = interface
351
329
self.name = name
352
330
self.type = servicetype
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339
self.server = None
362
340
self.bus = bus
363
341
self.entry_group_state_changed_match = None
364
342
365
343
def rename(self, remove=True):
366
344
"""Derived from the Avahi example code"""
367
345
if self.rename_count >= self.max_renames:
387
365
logger.critical("D-Bus Exception", exc_info=error)
388
366
self.cleanup()
389
367
os._exit(1)
390
368
391
369
def remove(self):
392
370
"""Derived from the Avahi example code"""
393
371
if self.entry_group_state_changed_match is not None:
395
373
self.entry_group_state_changed_match = None
396
374
if self.group is not None:
397
375
self.group.Reset()
398
376
399
377
def add(self):
400
378
"""Derived from the Avahi example code"""
401
379
self.remove()
418
396
dbus.UInt16(self.port),
419
397
avahi.string_array_to_txt_array(self.TXT))
420
398
self.group.Commit()
421
399
422
400
def entry_group_state_changed(self, state, error):
423
401
"""Derived from the Avahi example code"""
424
402
logger.debug("Avahi entry group state change: %i", state)
425
403
426
404
if state == avahi.ENTRY_GROUP_ESTABLISHED:
427
405
logger.debug("Zeroconf service established.")
428
406
elif state == avahi.ENTRY_GROUP_COLLISION:
432
410
logger.critical("Avahi: Error in group state changed %s",
433
411
str(error))
434
412
raise AvahiGroupError("State changed: {!s}".format(error))
435
413
436
414
def cleanup(self):
437
415
"""Derived from the Avahi example code"""
438
416
if self.group is not None:
443
421
pass
444
422
self.group = None
445
423
self.remove()
446
424
447
425
def server_state_changed(self, state, error=None):
448
426
"""Derived from the Avahi example code"""
449
427
logger.debug("Avahi server state change: %i", state)
478
456
logger.debug("Unknown state: %r", state)
479
457
else:
480
458
logger.debug("Unknown state: %r: %r", state, error)
481
459
482
460
def activate(self):
483
461
"""Derived from the Avahi example code"""
484
462
if self.server is None:
501
479
.format(self.name)))
502
480
return ret
503
481
504
505
482
# Pretend that we have a GnuTLS module
506
483
class GnuTLS(object):
507
484
"""This isn't so much a class as it is a module-like namespace.
508
485
It is instantiated once, and simulates having a GnuTLS module."""
509
510
library = ctypes.util.find_library("gnutls")
511
if library is None:
512
library = ctypes.util.find_library("gnutls-deb0")
513
_library = ctypes.cdll.LoadLibrary(library)
514
del library
486
487
_library = ctypes.cdll.LoadLibrary(
488
ctypes.util.find_library("gnutls"))
515
489
_need_version = b"3.3.0"
516
517
490
def __init__(self):
518
491
# Need to use class name "GnuTLS" here, since this method is
519
492
# called before the assignment to the "gnutls" global variable
521
494
if GnuTLS.check_version(self._need_version) is None:
522
495
raise GnuTLS.Error("Needs GnuTLS {} or later"
523
496
.format(self._need_version))
524
497
525
498
# Unless otherwise indicated, the constants and types below are
526
499
# all from the gnutls/gnutls.h C header file.
527
500
528
501
# Constants
529
502
E_SUCCESS = 0
530
503
E_INTERRUPTED = -52
535
508
CRD_CERTIFICATE = 1
536
509
E_NO_CERTIFICATE_FOUND = -49
537
510
OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h
538
511
539
512
# Types
540
513
class session_int(ctypes.Structure):
541
514
_fields_ = []
542
515
session_t = ctypes.POINTER(session_int)
543
544
516
class certificate_credentials_st(ctypes.Structure):
545
517
_fields_ = []
546
518
certificate_credentials_t = ctypes.POINTER(
547
519
certificate_credentials_st)
548
520
certificate_type_t = ctypes.c_int
549
550
521
class datum_t(ctypes.Structure):
551
522
_fields_ = [('data', ctypes.POINTER(ctypes.c_ubyte)),
552
523
('size', ctypes.c_uint)]
553
554
524
class openpgp_crt_int(ctypes.Structure):
555
525
_fields_ = []
556
526
openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)
557
openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
527
openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
558
528
log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)
559
529
credentials_type_t = ctypes.c_int
560
530
transport_ptr_t = ctypes.c_void_p
561
531
close_request_t = ctypes.c_int
562
532
563
533
# Exceptions
564
534
class Error(Exception):
565
535
# We need to use the class name "GnuTLS" here, since this
566
536
# exception might be raised from within GnuTLS.__init__,
567
537
# which is called before the assignment to the "gnutls"
568
538
# global variable has happened.
569
def __init__(self, message=None, code=None, args=()):
539
def __init__(self, message = None, code = None, args=()):
570
540
# Default usage is by a message string, but if a return
571
541
# code is passed, convert it to a string with
572
542
# gnutls.strerror()
575
545
message = GnuTLS.strerror(code)
576
546
return super(GnuTLS.Error, self).__init__(
577
547
message, *args)
578
548
579
549
class CertificateSecurityError(Error):
580
550
pass
581
551
582
552
# Classes
583
553
class Credentials(object):
584
554
def __init__(self):
586
556
gnutls.certificate_allocate_credentials(
587
557
ctypes.byref(self._c_object))
588
558
self.type = gnutls.CRD_CERTIFICATE
589
559
590
560
def __del__(self):
591
561
gnutls.certificate_free_credentials(self._c_object)
592
562
593
563
class ClientSession(object):
594
def __init__(self, socket, credentials=None):
564
def __init__(self, socket, credentials = None):
595
565
self._c_object = gnutls.session_t()
596
566
gnutls.init(ctypes.byref(self._c_object), gnutls.CLIENT)
597
567
gnutls.set_default_priority(self._c_object)
605
575
ctypes.cast(credentials._c_object,
606
576
ctypes.c_void_p))
607
577
self.credentials = credentials
608
578
609
579
def __del__(self):
610
580
gnutls.deinit(self._c_object)
611
581
612
582
def handshake(self):
613
583
return gnutls.handshake(self._c_object)
614
584
615
585
def send(self, data):
616
586
data = bytes(data)
617
587
data_len = len(data)
619
589
data_len -= gnutls.record_send(self._c_object,
620
590
data[-data_len:],
621
591
data_len)
622
592
623
593
def bye(self):
624
594
return gnutls.bye(self._c_object, gnutls.SHUT_RDWR)
625
595
626
596
# Error handling functions
627
597
def _error_code(result):
628
598
"""A function to raise exceptions on errors, suitable
630
600
if result >= 0:
631
601
return result
632
602
if result == gnutls.E_NO_CERTIFICATE_FOUND:
633
raise gnutls.CertificateSecurityError(code=result)
634
raise gnutls.Error(code=result)
635
603
raise gnutls.CertificateSecurityError(code = result)
604
raise gnutls.Error(code = result)
605
636
606
def _retry_on_error(result, func, arguments):
637
607
"""A function to retry on some errors, suitable
638
608
for the 'errcheck' attribute on ctypes functions"""
641
611
return _error_code(result)
642
612
result = func(*arguments)
643
613
return result
644
614
645
615
# Unless otherwise indicated, the function declarations below are
646
616
# all from the gnutls/gnutls.h C header file.
647
617
648
618
# Functions
649
619
priority_set_direct = _library.gnutls_priority_set_direct
650
620
priority_set_direct.argtypes = [session_t, ctypes.c_char_p,
651
621
ctypes.POINTER(ctypes.c_char_p)]
652
622
priority_set_direct.restype = _error_code
653
623
654
624
init = _library.gnutls_init
655
625
init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]
656
626
init.restype = _error_code
657
627
658
628
set_default_priority = _library.gnutls_set_default_priority
659
629
set_default_priority.argtypes = [session_t]
660
630
set_default_priority.restype = _error_code
661
631
662
632
record_send = _library.gnutls_record_send
663
633
record_send.argtypes = [session_t, ctypes.c_void_p,
664
634
ctypes.c_size_t]
665
635
record_send.restype = ctypes.c_ssize_t
666
636
record_send.errcheck = _retry_on_error
667
637
668
638
certificate_allocate_credentials = (
669
639
_library.gnutls_certificate_allocate_credentials)
670
640
certificate_allocate_credentials.argtypes = [
671
641
ctypes.POINTER(certificate_credentials_t)]
672
642
certificate_allocate_credentials.restype = _error_code
673
643
674
644
certificate_free_credentials = (
675
645
_library.gnutls_certificate_free_credentials)
676
certificate_free_credentials.argtypes = [
677
certificate_credentials_t]
646
certificate_free_credentials.argtypes = [certificate_credentials_t]
678
647
certificate_free_credentials.restype = None
679
648
680
649
handshake_set_private_extensions = (
681
650
_library.gnutls_handshake_set_private_extensions)
682
651
handshake_set_private_extensions.argtypes = [session_t,
683
652
ctypes.c_int]
684
653
handshake_set_private_extensions.restype = None
685
654
686
655
credentials_set = _library.gnutls_credentials_set
687
656
credentials_set.argtypes = [session_t, credentials_type_t,
688
657
ctypes.c_void_p]
689
658
credentials_set.restype = _error_code
690
659
691
660
strerror = _library.gnutls_strerror
692
661
strerror.argtypes = [ctypes.c_int]
693
662
strerror.restype = ctypes.c_char_p
694
663
695
664
certificate_type_get = _library.gnutls_certificate_type_get
696
665
certificate_type_get.argtypes = [session_t]
697
666
certificate_type_get.restype = _error_code
698
667
699
668
certificate_get_peers = _library.gnutls_certificate_get_peers
700
669
certificate_get_peers.argtypes = [session_t,
701
670
ctypes.POINTER(ctypes.c_uint)]
702
671
certificate_get_peers.restype = ctypes.POINTER(datum_t)
703
672
704
673
global_set_log_level = _library.gnutls_global_set_log_level
705
674
global_set_log_level.argtypes = [ctypes.c_int]
706
675
global_set_log_level.restype = None
707
676
708
677
global_set_log_function = _library.gnutls_global_set_log_function
709
678
global_set_log_function.argtypes = [log_func]
710
679
global_set_log_function.restype = None
711
680
712
681
deinit = _library.gnutls_deinit
713
682
deinit.argtypes = [session_t]
714
683
deinit.restype = None
715
684
716
685
handshake = _library.gnutls_handshake
717
686
handshake.argtypes = [session_t]
718
687
handshake.restype = _error_code
719
688
handshake.errcheck = _retry_on_error
720
689
721
690
transport_set_ptr = _library.gnutls_transport_set_ptr
722
691
transport_set_ptr.argtypes = [session_t, transport_ptr_t]
723
692
transport_set_ptr.restype = None
724
693
725
694
bye = _library.gnutls_bye
726
695
bye.argtypes = [session_t, close_request_t]
727
696
bye.restype = _error_code
728
697
bye.errcheck = _retry_on_error
729
698
730
699
check_version = _library.gnutls_check_version
731
700
check_version.argtypes = [ctypes.c_char_p]
732
701
check_version.restype = ctypes.c_char_p
733
702
734
703
# All the function declarations below are from gnutls/openpgp.h
735
704
736
705
openpgp_crt_init = _library.gnutls_openpgp_crt_init
737
706
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
738
707
openpgp_crt_init.restype = _error_code
739
708
740
709
openpgp_crt_import = _library.gnutls_openpgp_crt_import
741
710
openpgp_crt_import.argtypes = [openpgp_crt_t,
742
711
ctypes.POINTER(datum_t),
743
712
openpgp_crt_fmt_t]
744
713
openpgp_crt_import.restype = _error_code
745
714
746
715
openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
747
716
openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
748
717
ctypes.POINTER(ctypes.c_uint)]
749
718
openpgp_crt_verify_self.restype = _error_code
750
719
751
720
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
752
721
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
753
722
openpgp_crt_deinit.restype = None
754
723
755
724
openpgp_crt_get_fingerprint = (
756
725
_library.gnutls_openpgp_crt_get_fingerprint)
757
726
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
759
728
ctypes.POINTER(
760
729
ctypes.c_size_t)]
761
730
openpgp_crt_get_fingerprint.restype = _error_code
762
731
763
732
# Remove non-public functions
764
733
del _error_code, _retry_on_error
765
734
# Create the global "gnutls" object, simulating a module
766
735
gnutls = GnuTLS()
767
736
768
769
737
def call_pipe(connection, # : multiprocessing.Connection
770
738
func, *args, **kwargs):
771
739
"""This function is meant to be called by multiprocessing.Process
772
740
773
741
This function runs func(*args, **kwargs), and writes the resulting
774
742
return value on the provided multiprocessing.Connection.
775
743
"""
776
744
connection.send(func(*args, **kwargs))
777
745
connection.close()
778
746
779
780
747
class Client(object):
781
748
"""A representation of a client host served by this server.
782
749
783
750
Attributes:
784
751
approved: bool(); 'None' if not yet approved/disapproved
785
752
approval_delay: datetime.timedelta(); Time to wait for approval
822
789
disabled, or None
823
790
server_settings: The server_settings dict from main()
824
791
"""
825
792
826
793
runtime_expansions = ("approval_delay", "approval_duration",
827
794
"created", "enabled", "expires",
828
795
"fingerprint", "host", "interval",
839
806
"approved_by_default": "True",
840
807
"enabled": "True",
841
808
}
842
809
843
810
@staticmethod
844
811
def config_parser(config):
845
812
"""Construct a new dict of client settings of this form:
852
819
for client_name in config.sections():
853
820
section = dict(config.items(client_name))
854
821
client = settings[client_name] = {}
855
822
856
823
client["host"] = section["host"]
857
824
# Reformat values from string types to Python types
858
825
client["approved_by_default"] = config.getboolean(
859
826
client_name, "approved_by_default")
860
827
client["enabled"] = config.getboolean(client_name,
861
828
"enabled")
862
829
863
830
# Uppercase and remove spaces from fingerprint for later
864
831
# comparison purposes with return value from the
865
832
# fingerprint() function
889
856
client["last_approval_request"] = None
890
857
client["last_checked_ok"] = None
891
858
client["last_checker_status"] = -2
892
859
893
860
return settings
894
895
def __init__(self, settings, name=None, server_settings=None):
861
862
def __init__(self, settings, name = None, server_settings=None):
896
863
self.name = name
897
864
if server_settings is None:
898
865
server_settings = {}
900
867
# adding all client settings
901
868
for setting, value in settings.items():
902
869
setattr(self, setting, value)
903
870
904
871
if self.enabled:
905
872
if not hasattr(self, "last_enabled"):
906
873
self.last_enabled = datetime.datetime.utcnow()
910
877
else:
911
878
self.last_enabled = None
912
879
self.expires = None
913
880
914
881
logger.debug("Creating client %r", self.name)
915
882
logger.debug(" Fingerprint: %s", self.fingerprint)
916
883
self.created = settings.get("created",
917
884
datetime.datetime.utcnow())
918
885
919
886
# attributes specific for this server instance
920
887
self.checker = None
921
888
self.checker_initiator_tag = None
930
897
for attr in self.__dict__.keys()
931
898
if not attr.startswith("_")]
932
899
self.client_structure.append("client_structure")
933
900
934
901
for name, t in inspect.getmembers(
935
902
type(self), lambda obj: isinstance(obj, property)):
936
903
if not name.startswith("_"):
937
904
self.client_structure.append(name)
938
905
939
906
# Send notice to process children that client state has changed
940
907
def send_changedstate(self):
941
908
with self.changedstate:
942
909
self.changedstate.notify_all()
943
910
944
911
def enable(self):
945
912
"""Start this client's checker and timeout hooks"""
946
913
if getattr(self, "enabled", False):
951
918
self.last_enabled = datetime.datetime.utcnow()
952
919
self.init_checker()
953
920
self.send_changedstate()
954
921
955
922
def disable(self, quiet=True):
956
923
"""Disable this client."""
957
924
if not getattr(self, "enabled", False):
971
938
self.send_changedstate()
972
939
# Do not run this again if called by a GLib.timeout_add
973
940
return False
974
941
975
942
def __del__(self):
976
943
self.disable()
977
944
978
945
def init_checker(self):
979
946
# Schedule a new checker to be started an 'interval' from now,
980
947
# and every interval from then on.
990
957
int(self.timeout.total_seconds() * 1000), self.disable)
991
958
# Also start a new checker *right now*.
992
959
self.start_checker()
993
960
994
961
def checker_callback(self, source, condition, connection,
995
962
command):
996
963
"""The checker has completed, so take appropriate actions."""
999
966
# Read return code from connection (see call_pipe)
1000
967
returncode = connection.recv()
1001
968
connection.close()
1002
969
1003
970
if returncode >= 0:
1004
971
self.last_checker_status = returncode
1005
972
self.last_checker_signal = None
1015
982
logger.warning("Checker for %(name)s crashed?",
1016
983
vars(self))
1017
984
return False
1018
985
1019
986
def checked_ok(self):
1020
987
"""Assert that the client has been seen, alive and well."""
1021
988
self.last_checked_ok = datetime.datetime.utcnow()
1022
989
self.last_checker_status = 0
1023
990
self.last_checker_signal = None
1024
991
self.bump_timeout()
1025
992
1026
993
def bump_timeout(self, timeout=None):
1027
994
"""Bump up the timeout for this client."""
1028
995
if timeout is None:
1034
1001
self.disable_initiator_tag = GLib.timeout_add(
1035
1002
int(timeout.total_seconds() * 1000), self.disable)
1036
1003
self.expires = datetime.datetime.utcnow() + timeout
1037
1004
1038
1005
def need_approval(self):
1039
1006
self.last_approval_request = datetime.datetime.utcnow()
1040
1007
1041
1008
def start_checker(self):
1042
1009
"""Start a new checker subprocess if one is not running.
1043
1010
1044
1011
If a checker already exists, leave it running and do
1045
1012
nothing."""
1046
1013
# The reason for not killing a running checker is that if we
1051
1018
# checkers alone, the checker would have to take more time
1052
1019
# than 'timeout' for the client to be disabled, which is as it
1053
1020
# should be.
1054
1021
1055
1022
if self.checker is not None and not self.checker.is_alive():
1056
1023
logger.warning("Checker was not alive; joining")
1057
1024
self.checker.join()
1061
1028
# Escape attributes for the shell
1062
1029
escaped_attrs = {
1063
1030
attr: re.escape(str(getattr(self, attr)))
1064
for attr in self.runtime_expansions}
1031
for attr in self.runtime_expansions }
1065
1032
try:
1066
1033
command = self.checker_command % escaped_attrs
1067
1034
except TypeError as error:
1079
1046
# The exception is when not debugging but nevertheless
1080
1047
# running in the foreground; use the previously
1081
1048
# created wnull.
1082
popen_args = {"close_fds": True,
1083
"shell": True,
1084
"cwd": "/"}
1049
popen_args = { "close_fds": True,
1050
"shell": True,
1051
"cwd": "/" }
1085
1052
if (not self.server_settings["debug"]
1086
1053
and self.server_settings["foreground"]):
1087
1054
popen_args.update({"stdout": wnull,
1088
"stderr": wnull})
1089
pipe = multiprocessing.Pipe(duplex=False)
1055
"stderr": wnull })
1056
pipe = multiprocessing.Pipe(duplex = False)
1090
1057
self.checker = multiprocessing.Process(
1091
target=call_pipe,
1092
args=(pipe[1], subprocess.call, command),
1093
kwargs=popen_args)
1058
target = call_pipe,
1059
args = (pipe[1], subprocess.call, command),
1060
kwargs = popen_args)
1094
1061
self.checker.start()
1095
1062
self.checker_callback_tag = GLib.io_add_watch(
1096
1063
pipe[0].fileno(), GLib.IO_IN,
1097
1064
self.checker_callback, pipe[0], command)
1098
1065
# Re-run this periodically if run by GLib.timeout_add
1099
1066
return True
1100
1067
1101
1068
def stop_checker(self):
1102
1069
"""Force the checker process, if any, to stop."""
1103
1070
if self.checker_callback_tag:
1116
1083
byte_arrays=False):
1117
1084
"""Decorators for marking methods of a DBusObjectWithProperties to
1118
1085
become properties on the D-Bus.
1119
1086
1120
1087
The decorated method will be called with no arguments by "Get"
1121
1088
and with one argument by "Set".
1122
1089
1123
1090
The parameters, where they are supported, are the same as
1124
1091
dbus.service.method, except there is only "signature", since the
1125
1092
type from Get() and the type sent to Set() is the same.
1129
1096
if byte_arrays and signature != "ay":
1130
1097
raise ValueError("Byte arrays not supported for non-'ay'"
1131
1098
" signature {!r}".format(signature))
1132
1099
1133
1100
def decorator(func):
1134
1101
func._dbus_is_property = True
1135
1102
func._dbus_interface = dbus_interface
1138
1105
func._dbus_name = func.__name__
1139
1106
if func._dbus_name.endswith("_dbus_property"):
1140
1107
func._dbus_name = func._dbus_name[:-14]
1141
func._dbus_get_args_options = {'byte_arrays': byte_arrays}
1108
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
1142
1109
return func
1143
1110
1144
1111
return decorator
1145
1112
1146
1113
1147
1114
def dbus_interface_annotations(dbus_interface):
1148
1115
"""Decorator for marking functions returning interface annotations
1149
1116
1150
1117
Usage:
1151
1118
1152
1119
@dbus_interface_annotations("org.example.Interface")
1153
1120
def _foo(self): # Function name does not matter
1154
1121
return {"org.freedesktop.DBus.Deprecated": "true",
1155
1122
"org.freedesktop.DBus.Property.EmitsChangedSignal":
1156
1123
"false"}
1157
1124
"""
1158
1125
1159
1126
def decorator(func):
1160
1127
func._dbus_is_interface = True
1161
1128
func._dbus_interface = dbus_interface
1162
1129
func._dbus_name = dbus_interface
1163
1130
return func
1164
1131
1165
1132
return decorator
1166
1133
1167
1134
1168
1135
def dbus_annotations(annotations):
1169
1136
"""Decorator to annotate D-Bus methods, signals or properties
1170
1137
Usage:
1171
1138
1172
1139
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true",
1173
1140
"org.freedesktop.DBus.Property."
1174
1141
"EmitsChangedSignal": "false"})
1176
1143
access="r")
1177
1144
def Property_dbus_property(self):
1178
1145
return dbus.Boolean(False)
1179
1146
1180
1147
See also the DBusObjectWithAnnotations class.
1181
1148
"""
1182
1149
1183
1150
def decorator(func):
1184
1151
func._dbus_annotations = annotations
1185
1152
return func
1186
1153
1187
1154
return decorator
1188
1155
1189
1156
1207
1174
1208
1175
class DBusObjectWithAnnotations(dbus.service.Object):
1209
1176
"""A D-Bus object with annotations.
1210
1177
1211
1178
Classes inheriting from this can use the dbus_annotations
1212
1179
decorator to add annotations to methods or signals.
1213
1180
"""
1214
1181
1215
1182
@staticmethod
1216
1183
def _is_dbus_thing(thing):
1217
1184
"""Returns a function testing if an attribute is a D-Bus thing
1218
1185
1219
1186
If called like _is_dbus_thing("method") it returns a function
1220
1187
suitable for use as predicate to inspect.getmembers().
1221
1188
"""
1222
1189
return lambda obj: getattr(obj, "_dbus_is_{}".format(thing),
1223
1190
False)
1224
1191
1225
1192
def _get_all_dbus_things(self, thing):
1226
1193
"""Returns a generator of (name, attribute) pairs
1227
1194
"""
1230
1197
for cls in self.__class__.__mro__
1231
1198
for name, athing in
1232
1199
inspect.getmembers(cls, self._is_dbus_thing(thing)))
1233
1200
1234
1201
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1235
out_signature="s",
1236
path_keyword='object_path',
1237
connection_keyword='connection')
1202
out_signature = "s",
1203
path_keyword = 'object_path',
1204
connection_keyword = 'connection')
1238
1205
def Introspect(self, object_path, connection):
1239
1206
"""Overloading of standard D-Bus method.
1240
1207
1241
1208
Inserts annotation tags on methods and signals.
1242
1209
"""
1243
1210
xmlstring = dbus.service.Object.Introspect(self, object_path,
1244
1211
connection)
1245
1212
try:
1246
1213
document = xml.dom.minidom.parseString(xmlstring)
1247
1214
1248
1215
for if_tag in document.getElementsByTagName("interface"):
1249
1216
# Add annotation tags
1250
1217
for typ in ("method", "signal"):
1277
1244
if_tag.appendChild(ann_tag)
1278
1245
# Fix argument name for the Introspect method itself
1279
1246
if (if_tag.getAttribute("name")
1280
== dbus.INTROSPECTABLE_IFACE):
1247
== dbus.INTROSPECTABLE_IFACE):
1281
1248
for cn in if_tag.getElementsByTagName("method"):
1282
1249
if cn.getAttribute("name") == "Introspect":
1283
1250
for arg in cn.getElementsByTagName("arg"):
1296
1263
1297
1264
class DBusObjectWithProperties(DBusObjectWithAnnotations):
1298
1265
"""A D-Bus object with properties.
1299
1266
1300
1267
Classes inheriting from this can use the dbus_service_property
1301
1268
decorator to expose methods as D-Bus properties. It exposes the
1302
1269
standard Get(), Set(), and GetAll() methods on the D-Bus.
1303
1270
"""
1304
1271
1305
1272
def _get_dbus_property(self, interface_name, property_name):
1306
1273
"""Returns a bound method if one exists which is a D-Bus
1307
1274
property with the specified name and interface.
1312
1279
if (value._dbus_name == property_name
1313
1280
and value._dbus_interface == interface_name):
1314
1281
return value.__get__(self)
1315
1282
1316
1283
# No such property
1317
1284
raise DBusPropertyNotFound("{}:{}.{}".format(
1318
1285
self.dbus_object_path, interface_name, property_name))
1319
1286
1320
1287
@classmethod
1321
1288
def _get_all_interface_names(cls):
1322
1289
"""Get a sequence of all interfaces supported by an object"""
1325
1292
for x in (inspect.getmro(cls))
1326
1293
for attr in dir(x))
1327
1294
if name is not None)
1328
1295
1329
1296
@dbus.service.method(dbus.PROPERTIES_IFACE,
1330
1297
in_signature="ss",
1331
1298
out_signature="v")
1339
1306
if not hasattr(value, "variant_level"):
1340
1307
return value
1341
1308
return type(value)(value, variant_level=value.variant_level+1)
1342
1309
1343
1310
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ssv")
1344
1311
def Set(self, interface_name, property_name, value):
1345
1312
"""Standard D-Bus property Set() method, see D-Bus standard.
1357
1324
value = dbus.ByteArray(b''.join(chr(byte)
1358
1325
for byte in value))
1359
1326
prop(value)
1360
1327
1361
1328
@dbus.service.method(dbus.PROPERTIES_IFACE,
1362
1329
in_signature="s",
1363
1330
out_signature="a{sv}")
1364
1331
def GetAll(self, interface_name):
1365
1332
"""Standard D-Bus property GetAll() method, see D-Bus
1366
1333
standard.
1367
1334
1368
1335
Note: Will not include properties with access="write".
1369
1336
"""
1370
1337
properties = {}
1381
1348
properties[name] = value
1382
1349
continue
1383
1350
properties[name] = type(value)(
1384
value, variant_level=value.variant_level + 1)
1351
value, variant_level = value.variant_level + 1)
1385
1352
return dbus.Dictionary(properties, signature="sv")
1386
1353
1387
1354
@dbus.service.signal(dbus.PROPERTIES_IFACE, signature="sa{sv}as")
1388
1355
def PropertiesChanged(self, interface_name, changed_properties,
1389
1356
invalidated_properties):
1391
1358
standard.
1392
1359
"""
1393
1360
pass
1394
1361
1395
1362
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1396
1363
out_signature="s",
1397
1364
path_keyword='object_path',
1398
1365
connection_keyword='connection')
1399
1366
def Introspect(self, object_path, connection):
1400
1367
"""Overloading of standard D-Bus method.
1401
1368
1402
1369
Inserts property tags and interface annotation tags.
1403
1370
"""
1404
1371
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1406
1373
connection)
1407
1374
try:
1408
1375
document = xml.dom.minidom.parseString(xmlstring)
1409
1376
1410
1377
def make_tag(document, name, prop):
1411
1378
e = document.createElement("property")
1412
1379
e.setAttribute("name", name)
1413
1380
e.setAttribute("type", prop._dbus_signature)
1414
1381
e.setAttribute("access", prop._dbus_access)
1415
1382
return e
1416
1383
1417
1384
for if_tag in document.getElementsByTagName("interface"):
1418
1385
# Add property tags
1419
1386
for tag in (make_tag(document, name, prop)
1466
1433
except AttributeError:
1467
1434
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
1468
1435
1469
1470
1436
class DBusObjectWithObjectManager(DBusObjectWithAnnotations):
1471
1437
"""A D-Bus object with an ObjectManager.
1472
1438
1473
1439
Classes inheriting from this exposes the standard
1474
1440
GetManagedObjects call and the InterfacesAdded and
1475
1441
InterfacesRemoved signals on the standard
1476
1442
"org.freedesktop.DBus.ObjectManager" interface.
1477
1443
1478
1444
Note: No signals are sent automatically; they must be sent
1479
1445
manually.
1480
1446
"""
1481
1447
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
1482
out_signature="a{oa{sa{sv}}}")
1448
out_signature = "a{oa{sa{sv}}}")
1483
1449
def GetManagedObjects(self):
1484
1450
"""This function must be overridden"""
1485
1451
raise NotImplementedError()
1486
1452
1487
1453
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,
1488
signature="oa{sa{sv}}")
1454
signature = "oa{sa{sv}}")
1489
1455
def InterfacesAdded(self, object_path, interfaces_and_properties):
1490
1456
pass
1491
1492
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature="oas")
1457
1458
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature = "oas")
1493
1459
def InterfacesRemoved(self, object_path, interfaces):
1494
1460
pass
1495
1461
1496
1462
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1497
out_signature="s",
1498
path_keyword='object_path',
1499
connection_keyword='connection')
1463
out_signature = "s",
1464
path_keyword = 'object_path',
1465
connection_keyword = 'connection')
1500
1466
def Introspect(self, object_path, connection):
1501
1467
"""Overloading of standard D-Bus method.
1502
1468
1503
1469
Override return argument name of GetManagedObjects to be
1504
1470
"objpath_interfaces_and_properties"
1505
1471
"""
1508
1474
connection)
1509
1475
try:
1510
1476
document = xml.dom.minidom.parseString(xmlstring)
1511
1477
1512
1478
for if_tag in document.getElementsByTagName("interface"):
1513
1479
# Fix argument name for the GetManagedObjects method
1514
1480
if (if_tag.getAttribute("name")
1515
== dbus.OBJECT_MANAGER_IFACE):
1481
== dbus.OBJECT_MANAGER_IFACE):
1516
1482
for cn in if_tag.getElementsByTagName("method"):
1517
1483
if (cn.getAttribute("name")
1518
1484
== "GetManagedObjects"):
1528
1494
except (AttributeError, xml.dom.DOMException,
1529
1495
xml.parsers.expat.ExpatError) as error:
1530
1496
logger.error("Failed to override Introspection method",
1531
exc_info=error)
1497
exc_info = error)
1532
1498
return xmlstring
1533
1499
1534
1535
1500
def datetime_to_dbus(dt, variant_level=0):
1536
1501
"""Convert a UTC datetime.datetime() to a D-Bus type."""
1537
1502
if dt is None:
1538
return dbus.String("", variant_level=variant_level)
1503
return dbus.String("", variant_level = variant_level)
1539
1504
return dbus.String(dt.isoformat(), variant_level=variant_level)
1540
1505
1541
1506
1544
1509
dbus.service.Object, it will add alternate D-Bus attributes with
1545
1510
interface names according to the "alt_interface_names" mapping.
1546
1511
Usage:
1547
1512
1548
1513
@alternate_dbus_interfaces({"org.example.Interface":
1549
1514
"net.example.AlternateInterface"})
1550
1515
class SampleDBusObject(dbus.service.Object):
1551
1516
@dbus.service.method("org.example.Interface")
1552
1517
def SampleDBusMethod():
1553
1518
pass
1554
1519
1555
1520
The above "SampleDBusMethod" on "SampleDBusObject" will be
1556
1521
reachable via two interfaces: "org.example.Interface" and
1557
1522
"net.example.AlternateInterface", the latter of which will have
1558
1523
its D-Bus annotation "org.freedesktop.DBus.Deprecated" set to
1559
1524
"true", unless "deprecate" is passed with a False value.
1560
1525
1561
1526
This works for methods and signals, and also for D-Bus properties
1562
1527
(from DBusObjectWithProperties) and interfaces (from the
1563
1528
dbus_interface_annotations decorator).
1564
1529
"""
1565
1530
1566
1531
def wrapper(cls):
1567
1532
for orig_interface_name, alt_interface_name in (
1568
1533
alt_interface_names.items()):
1608
1573
attribute._dbus_annotations)
1609
1574
except AttributeError:
1610
1575
pass
1611
1612
1576
# Define a creator of a function to call both the
1613
1577
# original and alternate functions, so both the
1614
1578
# original and alternate signals gets sent when
1617
1581
"""This function is a scope container to pass
1618
1582
func1 and func2 to the "call_both" function
1619
1583
outside of its arguments"""
1620
1584
1621
1585
@functools.wraps(func2)
1622
1586
def call_both(*args, **kwargs):
1623
1587
"""This function will emit two D-Bus
1624
1588
signals by calling func1 and func2"""
1625
1589
func1(*args, **kwargs)
1626
1590
func2(*args, **kwargs)
1627
# Make wrapper function look like a D-Bus
1628
# signal
1591
# Make wrapper function look like a D-Bus signal
1629
1592
for name, attr in inspect.getmembers(func2):
1630
1593
if name.startswith("_dbus_"):
1631
1594
setattr(call_both, name, attr)
1632
1595
1633
1596
return call_both
1634
1597
# Create the "call_both" function and add it to
1635
1598
# the class
1681
1644
(copy_function(attribute)))
1682
1645
if deprecate:
1683
1646
# Deprecate all alternate interfaces
1684
iname = "_AlternateDBusNames_interface_annotation{}"
1647
iname="_AlternateDBusNames_interface_annotation{}"
1685
1648
for interface_name in interface_names:
1686
1649
1687
1650
@dbus_interface_annotations(interface_name)
1688
1651
def func(self):
1689
return {"org.freedesktop.DBus.Deprecated":
1690
"true"}
1652
return { "org.freedesktop.DBus.Deprecated":
1653
"true" }
1691
1654
# Find an unused name
1692
1655
for aname in (iname.format(i)
1693
1656
for i in itertools.count()):
1704
1667
cls = type("{}Alternate".format(cls.__name__),
1705
1668
(cls, ), attr)
1706
1669
return cls
1707
1670
1708
1671
return wrapper
1709
1672
1710
1673
1712
1675
"se.bsnet.fukt.Mandos"})
1713
1676
class ClientDBus(Client, DBusObjectWithProperties):
1714
1677
"""A Client class using D-Bus
1715
1678
1716
1679
Attributes:
1717
1680
dbus_object_path: dbus.ObjectPath
1718
1681
bus: dbus.SystemBus()
1719
1682
"""
1720
1683
1721
1684
runtime_expansions = (Client.runtime_expansions
1722
1685
+ ("dbus_object_path", ))
1723
1686
1724
1687
_interface = "se.recompile.Mandos.Client"
1725
1688
1726
1689
# dbus.service.Object doesn't use super(), so we can't either.
1727
1728
def __init__(self, bus=None, *args, **kwargs):
1690
1691
def __init__(self, bus = None, *args, **kwargs):
1729
1692
self.bus = bus
1730
1693
Client.__init__(self, *args, **kwargs)
1731
1694
# Only now, when this client is initialized, can it show up on
1737
1700
"/clients/" + client_object_name)
1738
1701
DBusObjectWithProperties.__init__(self, self.bus,
1739
1702
self.dbus_object_path)
1740
1703
1741
1704
def notifychangeproperty(transform_func, dbus_name,
1742
1705
type_func=lambda x: x,
1743
1706
variant_level=1,
1745
1708
_interface=_interface):
1746
1709
""" Modify a variable so that it's a property which announces
1747
1710
its changes to DBus.
1748
1711
1749
1712
transform_fun: Function that takes a value and a variant_level
1750
1713
and transforms it to a D-Bus type.
1751
1714
dbus_name: D-Bus name of the variable
1754
1717
variant_level: D-Bus variant level. Default: 1
1755
1718
"""
1756
1719
attrname = "_{}".format(dbus_name)
1757
1720
1758
1721
def setter(self, value):
1759
1722
if hasattr(self, "dbus_object_path"):
1760
1723
if (not hasattr(self, attrname) or
1767
1730
else:
1768
1731
dbus_value = transform_func(
1769
1732
type_func(value),
1770
variant_level=variant_level)
1733
variant_level = variant_level)
1771
1734
self.PropertyChanged(dbus.String(dbus_name),
1772
1735
dbus_value)
1773
1736
self.PropertiesChanged(
1774
1737
_interface,
1775
dbus.Dictionary({dbus.String(dbus_name):
1776
dbus_value}),
1738
dbus.Dictionary({ dbus.String(dbus_name):
1739
dbus_value }),
1777
1740
dbus.Array())
1778
1741
setattr(self, attrname, value)
1779
1742
1780
1743
return property(lambda self: getattr(self, attrname), setter)
1781
1744
1782
1745
expires = notifychangeproperty(datetime_to_dbus, "Expires")
1783
1746
approvals_pending = notifychangeproperty(dbus.Boolean,
1784
1747
"ApprovalPending",
1785
type_func=bool)
1748
type_func = bool)
1786
1749
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1787
1750
last_enabled = notifychangeproperty(datetime_to_dbus,
1788
1751
"LastEnabled")
1789
1752
checker = notifychangeproperty(
1790
1753
dbus.Boolean, "CheckerRunning",
1791
type_func=lambda checker: checker is not None)
1754
type_func = lambda checker: checker is not None)
1792
1755
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1793
1756
"LastCheckedOK")
1794
1757
last_checker_status = notifychangeproperty(dbus.Int16,
1799
1762
"ApprovedByDefault")
1800
1763
approval_delay = notifychangeproperty(
1801
1764
dbus.UInt64, "ApprovalDelay",
1802
type_func=lambda td: td.total_seconds() * 1000)
1765
type_func = lambda td: td.total_seconds() * 1000)
1803
1766
approval_duration = notifychangeproperty(
1804
1767
dbus.UInt64, "ApprovalDuration",
1805
type_func=lambda td: td.total_seconds() * 1000)
1768
type_func = lambda td: td.total_seconds() * 1000)
1806
1769
host = notifychangeproperty(dbus.String, "Host")
1807
1770
timeout = notifychangeproperty(
1808
1771
dbus.UInt64, "Timeout",
1809
type_func=lambda td: td.total_seconds() * 1000)
1772
type_func = lambda td: td.total_seconds() * 1000)
1810
1773
extended_timeout = notifychangeproperty(
1811
1774
dbus.UInt64, "ExtendedTimeout",
1812
type_func=lambda td: td.total_seconds() * 1000)
1775
type_func = lambda td: td.total_seconds() * 1000)
1813
1776
interval = notifychangeproperty(
1814
1777
dbus.UInt64, "Interval",
1815
type_func=lambda td: td.total_seconds() * 1000)
1778
type_func = lambda td: td.total_seconds() * 1000)
1816
1779
checker_command = notifychangeproperty(dbus.String, "Checker")
1817
1780
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1818
1781
invalidate_only=True)
1819
1782
1820
1783
del notifychangeproperty
1821
1784
1822
1785
def __del__(self, *args, **kwargs):
1823
1786
try:
1824
1787
self.remove_from_connection()
1827
1790
if hasattr(DBusObjectWithProperties, "__del__"):
1828
1791
DBusObjectWithProperties.__del__(self, *args, **kwargs)
1829
1792
Client.__del__(self, *args, **kwargs)
1830
1793
1831
1794
def checker_callback(self, source, condition,
1832
1795
connection, command, *args, **kwargs):
1833
1796
ret = Client.checker_callback(self, source, condition,
1849
1812
| self.last_checker_signal),
1850
1813
dbus.String(command))
1851
1814
return ret
1852
1815
1853
1816
def start_checker(self, *args, **kwargs):
1854
1817
old_checker_pid = getattr(self.checker, "pid", None)
1855
1818
r = Client.start_checker(self, *args, **kwargs)
1859
1822
# Emit D-Bus signal
1860
1823
self.CheckerStarted(self.current_checker_command)
1861
1824
return r
1862
1825
1863
1826
def _reset_approved(self):
1864
1827
self.approved = None
1865
1828
return False
1866
1829
1867
1830
def approve(self, value=True):
1868
1831
self.approved = value
1869
1832
GLib.timeout_add(int(self.approval_duration.total_seconds()
1870
1833
* 1000), self._reset_approved)
1871
1834
self.send_changedstate()
1872
1873
# D-Bus methods, signals & properties
1874
1875
# Interfaces
1876
1877
# Signals
1878
1835
1836
## D-Bus methods, signals & properties
1837
1838
## Interfaces
1839
1840
## Signals
1841
1879
1842
# CheckerCompleted - signal
1880
1843
@dbus.service.signal(_interface, signature="nxs")
1881
1844
def CheckerCompleted(self, exitcode, waitstatus, command):
1882
1845
"D-Bus signal"
1883
1846
pass
1884
1847
1885
1848
# CheckerStarted - signal
1886
1849
@dbus.service.signal(_interface, signature="s")
1887
1850
def CheckerStarted(self, command):
1888
1851
"D-Bus signal"
1889
1852
pass
1890
1853
1891
1854
# PropertyChanged - signal
1892
1855
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1893
1856
@dbus.service.signal(_interface, signature="sv")
1894
1857
def PropertyChanged(self, property, value):
1895
1858
"D-Bus signal"
1896
1859
pass
1897
1860
1898
1861
# GotSecret - signal
1899
1862
@dbus.service.signal(_interface)
1900
1863
def GotSecret(self):
1903
1866
server to mandos-client
1904
1867
"""
1905
1868
pass
1906
1869
1907
1870
# Rejected - signal
1908
1871
@dbus.service.signal(_interface, signature="s")
1909
1872
def Rejected(self, reason):
1910
1873
"D-Bus signal"
1911
1874
pass
1912
1875
1913
1876
# NeedApproval - signal
1914
1877
@dbus.service.signal(_interface, signature="tb")
1915
1878
def NeedApproval(self, timeout, default):
1916
1879
"D-Bus signal"
1917
1880
return self.need_approval()
1918
1919
# Methods
1920
1881
1882
## Methods
1883
1921
1884
# Approve - method
1922
1885
@dbus.service.method(_interface, in_signature="b")
1923
1886
def Approve(self, value):
1924
1887
self.approve(value)
1925
1888
1926
1889
# CheckedOK - method
1927
1890
@dbus.service.method(_interface)
1928
1891
def CheckedOK(self):
1929
1892
self.checked_ok()
1930
1893
1931
1894
# Enable - method
1932
1895
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1933
1896
@dbus.service.method(_interface)
1934
1897
def Enable(self):
1935
1898
"D-Bus method"
1936
1899
self.enable()
1937
1900
1938
1901
# StartChecker - method
1939
1902
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1940
1903
@dbus.service.method(_interface)
1941
1904
def StartChecker(self):
1942
1905
"D-Bus method"
1943
1906
self.start_checker()
1944
1907
1945
1908
# Disable - method
1946
1909
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1947
1910
@dbus.service.method(_interface)
1948
1911
def Disable(self):
1949
1912
"D-Bus method"
1950
1913
self.disable()
1951
1914
1952
1915
# StopChecker - method
1953
1916
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1954
1917
@dbus.service.method(_interface)
1955
1918
def StopChecker(self):
1956
1919
self.stop_checker()
1957
1958
# Properties
1959
1920
1921
## Properties
1922
1960
1923
# ApprovalPending - property
1961
1924
@dbus_service_property(_interface, signature="b", access="read")
1962
1925
def ApprovalPending_dbus_property(self):
1963
1926
return dbus.Boolean(bool(self.approvals_pending))
1964
1927
1965
1928
# ApprovedByDefault - property
1966
1929
@dbus_service_property(_interface,
1967
1930
signature="b",
1970
1933
if value is None: # get
1971
1934
return dbus.Boolean(self.approved_by_default)
1972
1935
self.approved_by_default = bool(value)
1973
1936
1974
1937
# ApprovalDelay - property
1975
1938
@dbus_service_property(_interface,
1976
1939
signature="t",
1980
1943
return dbus.UInt64(self.approval_delay.total_seconds()
1981
1944
* 1000)
1982
1945
self.approval_delay = datetime.timedelta(0, 0, 0, value)
1983
1946
1984
1947
# ApprovalDuration - property
1985
1948
@dbus_service_property(_interface,
1986
1949
signature="t",
1990
1953
return dbus.UInt64(self.approval_duration.total_seconds()
1991
1954
* 1000)
1992
1955
self.approval_duration = datetime.timedelta(0, 0, 0, value)
1993
1956
1994
1957
# Name - property
1995
1958
@dbus_annotations(
1996
1959
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
1997
1960
@dbus_service_property(_interface, signature="s", access="read")
1998
1961
def Name_dbus_property(self):
1999
1962
return dbus.String(self.name)
2000
1963
2001
1964
# Fingerprint - property
2002
1965
@dbus_annotations(
2003
1966
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2004
1967
@dbus_service_property(_interface, signature="s", access="read")
2005
1968
def Fingerprint_dbus_property(self):
2006
1969
return dbus.String(self.fingerprint)
2007
1970
2008
1971
# Host - property
2009
1972
@dbus_service_property(_interface,
2010
1973
signature="s",
2013
1976
if value is None: # get
2014
1977
return dbus.String(self.host)
2015
1978
self.host = str(value)
2016
1979
2017
1980
# Created - property
2018
1981
@dbus_annotations(
2019
1982
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2020
1983
@dbus_service_property(_interface, signature="s", access="read")
2021
1984
def Created_dbus_property(self):
2022
1985
return datetime_to_dbus(self.created)
2023
1986
2024
1987
# LastEnabled - property
2025
1988
@dbus_service_property(_interface, signature="s", access="read")
2026
1989
def LastEnabled_dbus_property(self):
2027
1990
return datetime_to_dbus(self.last_enabled)
2028
1991
2029
1992
# Enabled - property
2030
1993
@dbus_service_property(_interface,
2031
1994
signature="b",
2037
2000
self.enable()
2038
2001
else:
2039
2002
self.disable()
2040
2003
2041
2004
# LastCheckedOK - property
2042
2005
@dbus_service_property(_interface,
2043
2006
signature="s",
2047
2010
self.checked_ok()
2048
2011
return
2049
2012
return datetime_to_dbus(self.last_checked_ok)
2050
2013
2051
2014
# LastCheckerStatus - property
2052
2015
@dbus_service_property(_interface, signature="n", access="read")
2053
2016
def LastCheckerStatus_dbus_property(self):
2054
2017
return dbus.Int16(self.last_checker_status)
2055
2018
2056
2019
# Expires - property
2057
2020
@dbus_service_property(_interface, signature="s", access="read")
2058
2021
def Expires_dbus_property(self):
2059
2022
return datetime_to_dbus(self.expires)
2060
2023
2061
2024
# LastApprovalRequest - property
2062
2025
@dbus_service_property(_interface, signature="s", access="read")
2063
2026
def LastApprovalRequest_dbus_property(self):
2064
2027
return datetime_to_dbus(self.last_approval_request)
2065
2028
2066
2029
# Timeout - property
2067
2030
@dbus_service_property(_interface,
2068
2031
signature="t",
2087
2050
self.disable_initiator_tag = GLib.timeout_add(
2088
2051
int((self.expires - now).total_seconds() * 1000),
2089
2052
self.disable)
2090
2053
2091
2054
# ExtendedTimeout - property
2092
2055
@dbus_service_property(_interface,
2093
2056
signature="t",
2097
2060
return dbus.UInt64(self.extended_timeout.total_seconds()
2098
2061
* 1000)
2099
2062
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
2100
2063
2101
2064
# Interval - property
2102
2065
@dbus_service_property(_interface,
2103
2066
signature="t",
2113
2076
GLib.source_remove(self.checker_initiator_tag)
2114
2077
self.checker_initiator_tag = GLib.timeout_add(
2115
2078
value, self.start_checker)
2116
self.start_checker() # Start one now, too
2117
2079
self.start_checker() # Start one now, too
2080
2118
2081
# Checker - property
2119
2082
@dbus_service_property(_interface,
2120
2083
signature="s",
2123
2086
if value is None: # get
2124
2087
return dbus.String(self.checker_command)
2125
2088
self.checker_command = str(value)
2126
2089
2127
2090
# CheckerRunning - property
2128
2091
@dbus_service_property(_interface,
2129
2092
signature="b",
2135
2098
self.start_checker()
2136
2099
else:
2137
2100
self.stop_checker()
2138
2101
2139
2102
# ObjectPath - property
2140
2103
@dbus_annotations(
2141
2104
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const",
2142
2105
"org.freedesktop.DBus.Deprecated": "true"})
2143
2106
@dbus_service_property(_interface, signature="o", access="read")
2144
2107
def ObjectPath_dbus_property(self):
2145
return self.dbus_object_path # is already a dbus.ObjectPath
2146
2108
return self.dbus_object_path # is already a dbus.ObjectPath
2109
2147
2110
# Secret = property
2148
2111
@dbus_annotations(
2149
2112
{"org.freedesktop.DBus.Property.EmitsChangedSignal":
2154
2117
byte_arrays=True)
2155
2118
def Secret_dbus_property(self, value):
2156
2119
self.secret = bytes(value)
2157
2120
2158
2121
del _interface
2159
2122
2160
2123
2164
2127
self._pipe.send(('init', fpr, address))
2165
2128
if not self._pipe.recv():
2166
2129
raise KeyError(fpr)
2167
2130
2168
2131
def __getattribute__(self, name):
2169
2132
if name == '_pipe':
2170
2133
return super(ProxyClient, self).__getattribute__(name)
2173
2136
if data[0] == 'data':
2174
2137
return data[1]
2175
2138
if data[0] == 'function':
2176
2139
2177
2140
def func(*args, **kwargs):
2178
2141
self._pipe.send(('funcall', name, args, kwargs))
2179
2142
return self._pipe.recv()[1]
2180
2143
2181
2144
return func
2182
2145
2183
2146
def __setattr__(self, name, value):
2184
2147
if name == '_pipe':
2185
2148
return super(ProxyClient, self).__setattr__(name, value)
2188
2151
2189
2152
class ClientHandler(socketserver.BaseRequestHandler, object):
2190
2153
"""A class to handle client connections.
2191
2154
2192
2155
Instantiated once for each connection to handle it.
2193
2156
Note: This will run in its own forked process."""
2194
2157
2195
2158
def handle(self):
2196
2159
with contextlib.closing(self.server.child_pipe) as child_pipe:
2197
2160
logger.info("TCP connection from: %s",
2198
2161
str(self.client_address))
2199
2162
logger.debug("Pipe FD: %d",
2200
2163
self.server.child_pipe.fileno())
2201
2164
2202
2165
session = gnutls.ClientSession(self.request)
2203
2204
# priority = ':'.join(("NONE", "+VERS-TLS1.1",
2205
# "+AES-256-CBC", "+SHA1",
2206
# "+COMP-NULL", "+CTYPE-OPENPGP",
2207
# "+DHE-DSS"))
2166
2167
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
2168
# "+AES-256-CBC", "+SHA1",
2169
# "+COMP-NULL", "+CTYPE-OPENPGP",
2170
# "+DHE-DSS"))
2208
2171
# Use a fallback default, since this MUST be set.
2209
2172
priority = self.server.gnutls_priority
2210
2173
if priority is None:
2211
2174
priority = "NORMAL"
2212
gnutls.priority_set_direct(session._c_object,
2213
priority.encode("utf-8"),
2175
gnutls.priority_set_direct(session._c_object, priority,
2214
2176
None)
2215
2177
2216
2178
# Start communication using the Mandos protocol
2217
2179
# Get protocol number
2218
2180
line = self.request.makefile().readline()
2223
2185
except (ValueError, IndexError, RuntimeError) as error:
2224
2186
logger.error("Unknown protocol version: %s", error)
2225
2187
return
2226
2188
2227
2189
# Start GnuTLS connection
2228
2190
try:
2229
2191
session.handshake()
2233
2195
# established. Just abandon the request.
2234
2196
return
2235
2197
logger.debug("Handshake succeeded")
2236
2198
2237
2199
approval_required = False
2238
2200
try:
2239
2201
try:
2243
2205
logger.warning("Bad certificate: %s", error)
2244
2206
return
2245
2207
logger.debug("Fingerprint: %s", fpr)
2246
2208
2247
2209
try:
2248
2210
client = ProxyClient(child_pipe, fpr,
2249
2211
self.client_address)
2250
2212
except KeyError:
2251
2213
return
2252
2214
2253
2215
if client.approval_delay:
2254
2216
delay = client.approval_delay
2255
2217
client.approvals_pending += 1
2256
2218
approval_required = True
2257
2219
2258
2220
while True:
2259
2221
if not client.enabled:
2260
2222
logger.info("Client %s is disabled",
2263
2225
# Emit D-Bus signal
2264
2226
client.Rejected("Disabled")
2265
2227
return
2266
2228
2267
2229
if client.approved or not client.approval_delay:
2268
# We are approved or approval is disabled
2230
#We are approved or approval is disabled
2269
2231
break
2270
2232
elif client.approved is None:
2271
2233
logger.info("Client %s needs approval",
2282
2244
# Emit D-Bus signal
2283
2245
client.Rejected("Denied")
2284
2246
return
2285
2286
# wait until timeout or approved
2247
2248
#wait until timeout or approved
2287
2249
time = datetime.datetime.now()
2288
2250
client.changedstate.acquire()
2289
2251
client.changedstate.wait(delay.total_seconds())
2302
2264
break
2303
2265
else:
2304
2266
delay -= time2 - time
2305
2267
2306
2268
try:
2307
2269
session.send(client.secret)
2308
2270
except gnutls.Error as error:
2309
2271
logger.warning("gnutls send failed",
2310
exc_info=error)
2272
exc_info = error)
2311
2273
return
2312
2274
2313
2275
logger.info("Sending secret to %s", client.name)
2314
2276
# bump the timeout using extended_timeout
2315
2277
client.bump_timeout(client.extended_timeout)
2316
2278
if self.server.use_dbus:
2317
2279
# Emit D-Bus signal
2318
2280
client.GotSecret()
2319
2281
2320
2282
finally:
2321
2283
if approval_required:
2322
2284
client.approvals_pending -= 1
2325
2287
except gnutls.Error as error:
2326
2288
logger.warning("GnuTLS bye failed",
2327
2289
exc_info=error)
2328
2290
2329
2291
@staticmethod
2330
2292
def peer_certificate(session):
2331
2293
"Return the peer's OpenPGP certificate as a bytestring"
2343
2305
return None
2344
2306
cert = cert_list[0]
2345
2307
return ctypes.string_at(cert.data, cert.size)
2346
2308
2347
2309
@staticmethod
2348
2310
def fingerprint(openpgp):
2349
2311
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
2382
2344
2383
2345
class MultiprocessingMixIn(object):
2384
2346
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2385
2347
2386
2348
def sub_process_main(self, request, address):
2387
2349
try:
2388
2350
self.finish_request(request, address)
2389
2351
except Exception:
2390
2352
self.handle_error(request, address)
2391
2353
self.close_request(request)
2392
2354
2393
2355
def process_request(self, request, address):
2394
2356
"""Start a new process to process the request."""
2395
proc = multiprocessing.Process(target=self.sub_process_main,
2396
args=(request, address))
2357
proc = multiprocessing.Process(target = self.sub_process_main,
2358
args = (request, address))
2397
2359
proc.start()
2398
2360
return proc
2399
2361
2400
2362
2401
2363
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2402
2364
""" adds a pipe to the MixIn """
2403
2365
2404
2366
def process_request(self, request, client_address):
2405
2367
"""Overrides and wraps the original process_request().
2406
2368
2407
2369
This function creates a new pipe in self.pipe
2408
2370
"""
2409
2371
parent_pipe, self.child_pipe = multiprocessing.Pipe()
2410
2372
2411
2373
proc = MultiprocessingMixIn.process_request(self, request,
2412
2374
client_address)
2413
2375
self.child_pipe.close()
2414
2376
self.add_pipe(parent_pipe, proc)
2415
2377
2416
2378
def add_pipe(self, parent_pipe, proc):
2417
2379
"""Dummy function; override as necessary"""
2418
2380
raise NotImplementedError()
2421
2383
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
2422
2384
socketserver.TCPServer, object):
2423
2385
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
2424
2386
2425
2387
Attributes:
2426
2388
enabled: Boolean; whether this server is activated yet
2427
2389
interface: None or a network interface name (string)
2428
2390
use_ipv6: Boolean; to use IPv6 or not
2429
2391
"""
2430
2392
2431
2393
def __init__(self, server_address, RequestHandlerClass,
2432
2394
interface=None,
2433
2395
use_ipv6=True,
2443
2405
self.socketfd = socketfd
2444
2406
# Save the original socket.socket() function
2445
2407
self.socket_socket = socket.socket
2446
2447
2408
# To implement --socket, we monkey patch socket.socket.
2448
#
2409
#
2449
2410
# (When socketserver.TCPServer is a new-style class, we
2450
2411
# could make self.socket into a property instead of monkey
2451
2412
# patching socket.socket.)
2452
#
2413
#
2453
2414
# Create a one-time-only replacement for socket.socket()
2454
2415
@functools.wraps(socket.socket)
2455
2416
def socket_wrapper(*args, **kwargs):
2467
2428
# socket_wrapper(), if socketfd was set.
2468
2429
socketserver.TCPServer.__init__(self, server_address,
2469
2430
RequestHandlerClass)
2470
2431
2471
2432
def server_bind(self):
2472
2433
"""This overrides the normal server_bind() function
2473
2434
to bind to an interface if one was specified, and also NOT to
2474
2435
bind to an address or port if they were not specified."""
2475
global SO_BINDTODEVICE
2476
2436
if self.interface is not None:
2477
2437
if SO_BINDTODEVICE is None:
2478
# Fall back to a hard-coded value which seems to be
2479
# common enough.
2480
logger.warning("SO_BINDTODEVICE not found, trying 25")
2481
SO_BINDTODEVICE = 25
2482
try:
2483
self.socket.setsockopt(
2484
socket.SOL_SOCKET, SO_BINDTODEVICE,
2485
(self.interface + "\0").encode("utf-8"))
2486
except socket.error as error:
2487
if error.errno == errno.EPERM:
2488
logger.error("No permission to bind to"
2489
" interface %s", self.interface)
2490
elif error.errno == errno.ENOPROTOOPT:
2491
logger.error("SO_BINDTODEVICE not available;"
2492
" cannot bind to interface %s",
2493
self.interface)
2494
elif error.errno == errno.ENODEV:
2495
logger.error("Interface %s does not exist,"
2496
" cannot bind", self.interface)
2497
else:
2498
raise
2438
logger.error("SO_BINDTODEVICE does not exist;"
2439
" cannot bind to interface %s",
2440
self.interface)
2441
else:
2442
try:
2443
self.socket.setsockopt(
2444
socket.SOL_SOCKET, SO_BINDTODEVICE,
2445
(self.interface + "\0").encode("utf-8"))
2446
except socket.error as error:
2447
if error.errno == errno.EPERM:
2448
logger.error("No permission to bind to"
2449
" interface %s", self.interface)
2450
elif error.errno == errno.ENOPROTOOPT:
2451
logger.error("SO_BINDTODEVICE not available;"
2452
" cannot bind to interface %s",
2453
self.interface)
2454
elif error.errno == errno.ENODEV:
2455
logger.error("Interface %s does not exist,"
2456
" cannot bind", self.interface)
2457
else:
2458
raise
2499
2459
# Only bind(2) the socket if we really need to.
2500
2460
if self.server_address[0] or self.server_address[1]:
2501
2461
if not self.server_address[0]:
2502
2462
if self.address_family == socket.AF_INET6:
2503
any_address = "::" # in6addr_any
2463
any_address = "::" # in6addr_any
2504
2464
else:
2505
any_address = "0.0.0.0" # INADDR_ANY
2465
any_address = "0.0.0.0" # INADDR_ANY
2506
2466
self.server_address = (any_address,
2507
2467
self.server_address[1])
2508
2468
elif not self.server_address[1]:
2518
2478
2519
2479
class MandosServer(IPv6_TCPServer):
2520
2480
"""Mandos server.
2521
2481
2522
2482
Attributes:
2523
2483
clients: set of Client objects
2524
2484
gnutls_priority GnuTLS priority string
2525
2485
use_dbus: Boolean; to emit D-Bus signals or not
2526
2486
2527
2487
Assumes a GLib.MainLoop event loop.
2528
2488
"""
2529
2489
2530
2490
def __init__(self, server_address, RequestHandlerClass,
2531
2491
interface=None,
2532
2492
use_ipv6=True,
2542
2502
self.gnutls_priority = gnutls_priority
2543
2503
IPv6_TCPServer.__init__(self, server_address,
2544
2504
RequestHandlerClass,
2545
interface=interface,
2546
use_ipv6=use_ipv6,
2547
socketfd=socketfd)
2548
2505
interface = interface,
2506
use_ipv6 = use_ipv6,
2507
socketfd = socketfd)
2508
2549
2509
def server_activate(self):
2550
2510
if self.enabled:
2551
2511
return socketserver.TCPServer.server_activate(self)
2552
2512
2553
2513
def enable(self):
2554
2514
self.enabled = True
2555
2515
2556
2516
def add_pipe(self, parent_pipe, proc):
2557
2517
# Call "handle_ipc" for both data and EOF events
2558
2518
GLib.io_add_watch(
2559
2519
parent_pipe.fileno(),
2560
2520
GLib.IO_IN | GLib.IO_HUP,
2561
2521
functools.partial(self.handle_ipc,
2562
parent_pipe=parent_pipe,
2563
proc=proc))
2564
2522
parent_pipe = parent_pipe,
2523
proc = proc))
2524
2565
2525
def handle_ipc(self, source, condition,
2566
2526
parent_pipe=None,
2567
proc=None,
2527
proc = None,
2568
2528
client_object=None):
2569
2529
# error, or the other end of multiprocessing.Pipe has closed
2570
2530
if condition & (GLib.IO_ERR | GLib.IO_HUP):
2571
2531
# Wait for other process to exit
2572
2532
proc.join()
2573
2533
return False
2574
2534
2575
2535
# Read a request from the child
2576
2536
request = parent_pipe.recv()
2577
2537
command = request[0]
2578
2538
2579
2539
if command == 'init':
2580
2540
fpr = request[1]
2581
2541
address = request[2]
2582
2542
2583
2543
for c in self.clients.values():
2584
2544
if c.fingerprint == fpr:
2585
2545
client = c
2593
2553
address[0])
2594
2554
parent_pipe.send(False)
2595
2555
return False
2596
2556
2597
2557
GLib.io_add_watch(
2598
2558
parent_pipe.fileno(),
2599
2559
GLib.IO_IN | GLib.IO_HUP,
2600
2560
functools.partial(self.handle_ipc,
2601
parent_pipe=parent_pipe,
2602
proc=proc,
2603
client_object=client))
2561
parent_pipe = parent_pipe,
2562
proc = proc,
2563
client_object = client))
2604
2564
parent_pipe.send(True)
2605
2565
# remove the old hook in favor of the new above hook on
2606
2566
# same fileno
2609
2569
funcname = request[1]
2610
2570
args = request[2]
2611
2571
kwargs = request[3]
2612
2572
2613
2573
parent_pipe.send(('data', getattr(client_object,
2614
2574
funcname)(*args,
2615
2575
**kwargs)))
2616
2576
2617
2577
if command == 'getattr':
2618
2578
attrname = request[1]
2619
2579
if isinstance(client_object.__getattribute__(attrname),
2622
2582
else:
2623
2583
parent_pipe.send((
2624
2584
'data', client_object.__getattribute__(attrname)))
2625
2585
2626
2586
if command == 'setattr':
2627
2587
attrname = request[1]
2628
2588
value = request[2]
2629
2589
setattr(client_object, attrname, value)
2630
2590
2631
2591
return True
2632
2592
2633
2593
2634
2594
def rfc3339_duration_to_delta(duration):
2635
2595
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
2636
2596
2637
2597
>>> rfc3339_duration_to_delta("P7D")
2638
2598
datetime.timedelta(7)
2639
2599
>>> rfc3339_duration_to_delta("PT60S")
2649
2609
>>> rfc3339_duration_to_delta("P1DT3M20S")
2650
2610
datetime.timedelta(1, 200)
2651
2611
"""
2652
2612
2653
2613
# Parsing an RFC 3339 duration with regular expressions is not
2654
2614
# possible - there would have to be multiple places for the same
2655
2615
# values, like seconds. The current code, while more esoteric, is
2656
2616
# cleaner without depending on a parsing library. If Python had a
2657
2617
# built-in library for parsing we would use it, but we'd like to
2658
2618
# avoid excessive use of external libraries.
2659
2619
2660
2620
# New type for defining tokens, syntax, and semantics all-in-one
2661
2621
Token = collections.namedtuple("Token", (
2662
2622
"regexp", # To match token; if "value" is not None, must have
2695
2655
frozenset((token_year, token_month,
2696
2656
token_day, token_time,
2697
2657
token_week)))
2698
# Define starting values:
2699
# Value so far
2700
value = datetime.timedelta()
2658
# Define starting values
2659
value = datetime.timedelta() # Value so far
2701
2660
found_token = None
2702
# Following valid tokens
2703
followers = frozenset((token_duration, ))
2704
# String left to parse
2705
s = duration
2661
followers = frozenset((token_duration, )) # Following valid tokens
2662
s = duration # String left to parse
2706
2663
# Loop until end token is found
2707
2664
while found_token is not token_end:
2708
2665
# Search for any currently valid tokens
2732
2689
2733
2690
def string_to_delta(interval):
2734
2691
"""Parse a string and return a datetime.timedelta
2735
2692
2736
2693
>>> string_to_delta('7d')
2737
2694
datetime.timedelta(7)
2738
2695
>>> string_to_delta('60s')
2746
2703
>>> string_to_delta('5m 30s')
2747
2704
datetime.timedelta(0, 330)
2748
2705
"""
2749
2706
2750
2707
try:
2751
2708
return rfc3339_duration_to_delta(interval)
2752
2709
except ValueError:
2753
2710
pass
2754
2711
2755
2712
timevalue = datetime.timedelta(0)
2756
2713
for s in interval.split():
2757
2714
try:
2775
2732
return timevalue
2776
2733
2777
2734
2778
def daemon(nochdir=False, noclose=False):
2735
def daemon(nochdir = False, noclose = False):
2779
2736
"""See daemon(3). Standard BSD Unix function.
2780
2737
2781
2738
This should really exist as os.daemon, but it doesn't (yet)."""
2782
2739
if os.fork():
2783
2740
sys.exit()
2801
2758
2802
2759
2803
2760
def main():
2804
2761
2805
2762
##################################################################
2806
2763
# Parsing of options, both command line and config file
2807
2764
2808
2765
parser = argparse.ArgumentParser()
2809
2766
parser.add_argument("-v", "--version", action="version",
2810
version="%(prog)s {}".format(version),
2767
version = "%(prog)s {}".format(version),
2811
2768
help="show version number and exit")
2812
2769
parser.add_argument("-i", "--interface", metavar="IF",
2813
2770
help="Bind to interface IF")
2849
2806
parser.add_argument("--no-zeroconf", action="store_false",
2850
2807
dest="zeroconf", help="Do not use Zeroconf",
2851
2808
default=None)
2852
2809
2853
2810
options = parser.parse_args()
2854
2811
2855
2812
if options.check:
2856
2813
import doctest
2857
2814
fail_count, test_count = doctest.testmod()
2858
2815
sys.exit(os.EX_OK if fail_count == 0 else 1)
2859
2816
2860
2817
# Default values for config file for server-global settings
2861
server_defaults = {"interface": "",
2862
"address": "",
2863
"port": "",
2864
"debug": "False",
2865
"priority":
2866
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2867
":+SIGN-DSA-SHA256",
2868
"servicename": "Mandos",
2869
"use_dbus": "True",
2870
"use_ipv6": "True",
2871
"debuglevel": "",
2872
"restore": "True",
2873
"socket": "",
2874
"statedir": "/var/lib/mandos",
2875
"foreground": "False",
2876
"zeroconf": "True",
2877
}
2878
2818
server_defaults = { "interface": "",
2819
"address": "",
2820
"port": "",
2821
"debug": "False",
2822
"priority":
2823
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2824
":+SIGN-DSA-SHA256",
2825
"servicename": "Mandos",
2826
"use_dbus": "True",
2827
"use_ipv6": "True",
2828
"debuglevel": "",
2829
"restore": "True",
2830
"socket": "",
2831
"statedir": "/var/lib/mandos",
2832
"foreground": "False",
2833
"zeroconf": "True",
2834
}
2835
2879
2836
# Parse config file for server-global settings
2880
2837
server_config = configparser.SafeConfigParser(server_defaults)
2881
2838
del server_defaults
2899
2856
server_settings["socket"] = os.dup(server_settings
2900
2857
["socket"])
2901
2858
del server_config
2902
2859
2903
2860
# Override the settings from the config file with command line
2904
2861
# options, if set.
2905
2862
for option in ("interface", "address", "port", "debug",
2923
2880
if server_settings["debug"]:
2924
2881
server_settings["foreground"] = True
2925
2882
# Now we have our good server settings in "server_settings"
2926
2883
2927
2884
##################################################################
2928
2885
2929
2886
if (not server_settings["zeroconf"]
2930
2887
and not (server_settings["port"]
2931
2888
or server_settings["socket"] != "")):
2932
2889
parser.error("Needs port or socket to work without Zeroconf")
2933
2890
2934
2891
# For convenience
2935
2892
debug = server_settings["debug"]
2936
2893
debuglevel = server_settings["debuglevel"]
2940
2897
stored_state_file)
2941
2898
foreground = server_settings["foreground"]
2942
2899
zeroconf = server_settings["zeroconf"]
2943
2900
2944
2901
if debug:
2945
2902
initlogger(debug, logging.DEBUG)
2946
2903
else:
2949
2906
else:
2950
2907
level = getattr(logging, debuglevel.upper())
2951
2908
initlogger(debug, level)
2952
2909
2953
2910
if server_settings["servicename"] != "Mandos":
2954
2911
syslogger.setFormatter(
2955
2912
logging.Formatter('Mandos ({}) [%(process)d]:'
2956
2913
' %(levelname)s: %(message)s'.format(
2957
2914
server_settings["servicename"])))
2958
2915
2959
2916
# Parse config file with clients
2960
2917
client_config = configparser.SafeConfigParser(Client
2961
2918
.client_defaults)
2962
2919
client_config.read(os.path.join(server_settings["configdir"],
2963
2920
"clients.conf"))
2964
2921
2965
2922
global mandos_dbus_service
2966
2923
mandos_dbus_service = None
2967
2924
2968
2925
socketfd = None
2969
2926
if server_settings["socket"] != "":
2970
2927
socketfd = server_settings["socket"]
2986
2943
except IOError as e:
2987
2944
logger.error("Could not open file %r", pidfilename,
2988
2945
exc_info=e)
2989
2946
2990
2947
for name, group in (("_mandos", "_mandos"),
2991
2948
("mandos", "mandos"),
2992
2949
("nobody", "nogroup")):
3010
2967
.format(uid, gid, os.strerror(error.errno)))
3011
2968
if error.errno != errno.EPERM:
3012
2969
raise
3013
2970
3014
2971
if debug:
3015
2972
# Enable all possible GnuTLS debugging
3016
2973
3017
2974
# "Use a log level over 10 to enable all debugging options."
3018
2975
# - GnuTLS manual
3019
2976
gnutls.global_set_log_level(11)
3020
2977
3021
2978
@gnutls.log_func
3022
2979
def debug_gnutls(level, string):
3023
2980
logger.debug("GnuTLS: %s", string[:-1])
3024
2981
3025
2982
gnutls.global_set_log_function(debug_gnutls)
3026
2983
3027
2984
# Redirect stdin so all checkers get /dev/null
3028
2985
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
3029
2986
os.dup2(null, sys.stdin.fileno())
3030
2987
if null > 2:
3031
2988
os.close(null)
3032
2989
3033
2990
# Need to fork before connecting to D-Bus
3034
2991
if not foreground:
3035
2992
# Close all input and output, do double fork, etc.
3036
2993
daemon()
3037
2994
3038
2995
# multiprocessing will use threads, so before we use GLib we need
3039
2996
# to inform GLib that threads will be used.
3040
2997
GLib.threads_init()
3041
2998
3042
2999
global main_loop
3043
3000
# From the Avahi example code
3044
3001
DBusGMainLoop(set_as_default=True)
3061
3018
if zeroconf:
3062
3019
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
3063
3020
service = AvahiServiceToSyslog(
3064
name=server_settings["servicename"],
3065
servicetype="_mandos._tcp",
3066
protocol=protocol,
3067
bus=bus)
3021
name = server_settings["servicename"],
3022
servicetype = "_mandos._tcp",
3023
protocol = protocol,
3024
bus = bus)
3068
3025
if server_settings["interface"]:
3069
3026
service.interface = if_nametoindex(
3070
3027
server_settings["interface"].encode("utf-8"))
3071
3028
3072
3029
global multiprocessing_manager
3073
3030
multiprocessing_manager = multiprocessing.Manager()
3074
3031
3075
3032
client_class = Client
3076
3033
if use_dbus:
3077
client_class = functools.partial(ClientDBus, bus=bus)
3078
3034
client_class = functools.partial(ClientDBus, bus = bus)
3035
3079
3036
client_settings = Client.config_parser(client_config)
3080
3037
old_client_settings = {}
3081
3038
clients_data = {}
3082
3039
3083
3040
# This is used to redirect stdout and stderr for checker processes
3084
3041
global wnull
3085
wnull = open(os.devnull, "w") # A writable /dev/null
3042
wnull = open(os.devnull, "w") # A writable /dev/null
3086
3043
# Only used if server is running in foreground but not in debug
3087
3044
# mode
3088
3045
if debug or not foreground:
3089
3046
wnull.close()
3090
3047
3091
3048
# Get client data and settings from last running state.
3092
3049
if server_settings["restore"]:
3093
3050
try:
3094
3051
with open(stored_state_path, "rb") as stored_state:
3095
if sys.version_info.major == 2:
3052
if sys.version_info.major == 2:
3096
3053
clients_data, old_client_settings = pickle.load(
3097
3054
stored_state)
3098
3055
else:
3099
3056
bytes_clients_data, bytes_old_client_settings = (
3100
pickle.load(stored_state, encoding="bytes"))
3101
# Fix bytes to strings
3102
# clients_data
3057
pickle.load(stored_state, encoding = "bytes"))
3058
### Fix bytes to strings
3059
## clients_data
3103
3060
# .keys()
3104
clients_data = {(key.decode("utf-8")
3105
if isinstance(key, bytes)
3106
else key): value
3107
for key, value in
3108
bytes_clients_data.items()}
3061
clients_data = { (key.decode("utf-8")
3062
if isinstance(key, bytes)
3063
else key): value
3064
for key, value in
3065
bytes_clients_data.items() }
3109
3066
del bytes_clients_data
3110
3067
for key in clients_data:
3111
value = {(k.decode("utf-8")
3112
if isinstance(k, bytes) else k): v
3113
for k, v in
3114
clients_data[key].items()}
3068
value = { (k.decode("utf-8")
3069
if isinstance(k, bytes) else k): v
3070
for k, v in
3071
clients_data[key].items() }
3115
3072
clients_data[key] = value
3116
3073
# .client_structure
3117
3074
value["client_structure"] = [
3118
3075
(s.decode("utf-8")
3119
3076
if isinstance(s, bytes)
3120
3077
else s) for s in
3121
value["client_structure"]]
3078
value["client_structure"] ]
3122
3079
# .name & .host
3123
3080
for k in ("name", "host"):
3124
3081
if isinstance(value[k], bytes):
3125
3082
value[k] = value[k].decode("utf-8")
3126
# old_client_settings
3083
## old_client_settings
3127
3084
# .keys()
3128
3085
old_client_settings = {
3129
3086
(key.decode("utf-8")
3130
3087
if isinstance(key, bytes)
3131
3088
else key): value
3132
3089
for key, value in
3133
bytes_old_client_settings.items()}
3090
bytes_old_client_settings.items() }
3134
3091
del bytes_old_client_settings
3135
3092
# .host
3136
3093
for value in old_client_settings.values():
3150
3107
logger.warning("Could not load persistent state: "
3151
3108
"EOFError:",
3152
3109
exc_info=e)
3153
3110
3154
3111
with PGPEngine() as pgp:
3155
3112
for client_name, client in clients_data.items():
3156
3113
# Skip removed clients
3157
3114
if client_name not in client_settings:
3158
3115
continue
3159
3116
3160
3117
# Decide which value to use after restoring saved state.
3161
3118
# We have three different values: Old config file,
3162
3119
# new config file, and saved state.
3173
3130
client[name] = value
3174
3131
except KeyError:
3175
3132
pass
3176
3133
3177
3134
# Clients who has passed its expire date can still be
3178
3135
# enabled if its last checker was successful. A Client
3179
3136
# whose checker succeeded before we stored its state is
3212
3169
client_name))
3213
3170
client["secret"] = (client_settings[client_name]
3214
3171
["secret"])
3215
3172
3216
3173
# Add/remove clients based on new changes made to config
3217
3174
for client_name in (set(old_client_settings)
3218
3175
- set(client_settings)):
3220
3177
for client_name in (set(client_settings)
3221
3178
- set(old_client_settings)):
3222
3179
clients_data[client_name] = client_settings[client_name]
3223
3180
3224
3181
# Create all client objects
3225
3182
for client_name, client in clients_data.items():
3226
3183
tcp_server.clients[client_name] = client_class(
3227
name=client_name,
3228
settings=client,
3229
server_settings=server_settings)
3230
3184
name = client_name,
3185
settings = client,
3186
server_settings = server_settings)
3187
3231
3188
if not tcp_server.clients:
3232
3189
logger.warning("No clients defined")
3233
3190
3234
3191
if not foreground:
3235
3192
if pidfile is not None:
3236
3193
pid = os.getpid()
3242
3199
pidfilename, pid)
3243
3200
del pidfile
3244
3201
del pidfilename
3245
3202
3246
3203
for termsig in (signal.SIGHUP, signal.SIGTERM):
3247
3204
GLib.unix_signal_add(GLib.PRIORITY_HIGH, termsig,
3248
3205
lambda: main_loop.quit() and False)
3249
3206
3250
3207
if use_dbus:
3251
3208
3252
3209
@alternate_dbus_interfaces(
3253
{"se.recompile.Mandos": "se.bsnet.fukt.Mandos"})
3210
{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })
3254
3211
class MandosDBusService(DBusObjectWithObjectManager):
3255
3212
"""A D-Bus proxy object"""
3256
3213
3257
3214
def __init__(self):
3258
3215
dbus.service.Object.__init__(self, bus, "/")
3259
3216
3260
3217
_interface = "se.recompile.Mandos"
3261
3218
3262
3219
@dbus.service.signal(_interface, signature="o")
3263
3220
def ClientAdded(self, objpath):
3264
3221
"D-Bus signal"
3265
3222
pass
3266
3223
3267
3224
@dbus.service.signal(_interface, signature="ss")
3268
3225
def ClientNotFound(self, fingerprint, address):
3269
3226
"D-Bus signal"
3270
3227
pass
3271
3228
3272
3229
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3273
3230
"true"})
3274
3231
@dbus.service.signal(_interface, signature="os")
3275
3232
def ClientRemoved(self, objpath, name):
3276
3233
"D-Bus signal"
3277
3234
pass
3278
3235
3279
3236
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3280
3237
"true"})
3281
3238
@dbus.service.method(_interface, out_signature="ao")
3283
3240
"D-Bus method"
3284
3241
return dbus.Array(c.dbus_object_path for c in
3285
3242
tcp_server.clients.values())
3286
3243
3287
3244
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3288
3245
"true"})
3289
3246
@dbus.service.method(_interface,
3291
3248
def GetAllClientsWithProperties(self):
3292
3249
"D-Bus method"
3293
3250
return dbus.Dictionary(
3294
{c.dbus_object_path: c.GetAll(
3251
{ c.dbus_object_path: c.GetAll(
3295
3252
"se.recompile.Mandos.Client")
3296
for c in tcp_server.clients.values()},
3253
for c in tcp_server.clients.values() },
3297
3254
signature="oa{sv}")
3298
3255
3299
3256
@dbus.service.method(_interface, in_signature="o")
3300
3257
def RemoveClient(self, object_path):
3301
3258
"D-Bus method"
3309
3266
self.client_removed_signal(c)
3310
3267
return
3311
3268
raise KeyError(object_path)
3312
3269
3313
3270
del _interface
3314
3271
3315
3272
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
3316
out_signature="a{oa{sa{sv}}}")
3273
out_signature = "a{oa{sa{sv}}}")
3317
3274
def GetManagedObjects(self):
3318
3275
"""D-Bus method"""
3319
3276
return dbus.Dictionary(
3320
{client.dbus_object_path:
3321
dbus.Dictionary(
3322
{interface: client.GetAll(interface)
3323
for interface in
3324
client._get_all_interface_names()})
3325
for client in tcp_server.clients.values()})
3326
3277
{ client.dbus_object_path:
3278
dbus.Dictionary(
3279
{ interface: client.GetAll(interface)
3280
for interface in
3281
client._get_all_interface_names()})
3282
for client in tcp_server.clients.values()})
3283
3327
3284
def client_added_signal(self, client):
3328
3285
"""Send the new standard signal and the old signal"""
3329
3286
if use_dbus:
3331
3288
self.InterfacesAdded(
3332
3289
client.dbus_object_path,
3333
3290
dbus.Dictionary(
3334
{interface: client.GetAll(interface)
3335
for interface in
3336
client._get_all_interface_names()}))
3291
{ interface: client.GetAll(interface)
3292
for interface in
3293
client._get_all_interface_names()}))
3337
3294
# Old signal
3338
3295
self.ClientAdded(client.dbus_object_path)
3339
3296
3340
3297
def client_removed_signal(self, client):
3341
3298
"""Send the new standard signal and the old signal"""
3342
3299
if use_dbus:
3347
3304
# Old signal
3348
3305
self.ClientRemoved(client.dbus_object_path,
3349
3306
client.name)
3350
3307
3351
3308
mandos_dbus_service = MandosDBusService()
3352
3353
# Save modules to variables to exempt the modules from being
3354
# unloaded before the function registered with atexit() is run.
3355
mp = multiprocessing
3356
wn = wnull
3357
3309
3358
3310
def cleanup():
3359
3311
"Cleanup function; run on exit"
3360
3312
if zeroconf:
3361
3313
service.cleanup()
3362
3363
mp.active_children()
3364
wn.close()
3314
3315
multiprocessing.active_children()
3316
wnull.close()
3365
3317
if not (tcp_server.clients or client_settings):
3366
3318
return
3367
3319
3368
3320
# Store client before exiting. Secrets are encrypted with key
3369
3321
# based on what config file has. If config file is
3370
3322
# removed/edited, old secret will thus be unrecovable.
3375
3327
client.encrypted_secret = pgp.encrypt(client.secret,
3376
3328
key)
3377
3329
client_dict = {}
3378
3330
3379
3331
# A list of attributes that can not be pickled
3380
3332
# + secret.
3381
exclude = {"bus", "changedstate", "secret",
3382
"checker", "server_settings"}
3333
exclude = { "bus", "changedstate", "secret",
3334
"checker", "server_settings" }
3383
3335
for name, typ in inspect.getmembers(dbus.service
3384
3336
.Object):
3385
3337
exclude.add(name)
3386
3338
3387
3339
client_dict["encrypted_secret"] = (client
3388
3340
.encrypted_secret)
3389
3341
for attr in client.client_structure:
3390
3342
if attr not in exclude:
3391
3343
client_dict[attr] = getattr(client, attr)
3392
3344
3393
3345
clients[client.name] = client_dict
3394
3346
del client_settings[client.name]["secret"]
3395
3347
3396
3348
try:
3397
3349
with tempfile.NamedTemporaryFile(
3398
3350
mode='wb',
3401
3353
dir=os.path.dirname(stored_state_path),
3402
3354
delete=False) as stored_state:
3403
3355
pickle.dump((clients, client_settings), stored_state,
3404
protocol=2)
3356
protocol = 2)
3405
3357
tempname = stored_state.name
3406
3358
os.rename(tempname, stored_state_path)
3407
3359
except (IOError, OSError) as e:
3417
3369
logger.warning("Could not save persistent state:",
3418
3370
exc_info=e)
3419
3371
raise
3420
3372
3421
3373
# Delete all clients, and settings from config
3422
3374
while tcp_server.clients:
3423
3375
name, client = tcp_server.clients.popitem()
3429
3381
if use_dbus:
3430
3382
mandos_dbus_service.client_removed_signal(client)
3431
3383
client_settings.clear()
3432
3384
3433
3385
atexit.register(cleanup)
3434
3386
3435
3387
for client in tcp_server.clients.values():
3436
3388
if use_dbus:
3437
3389
# Emit D-Bus signal for adding
3439
3391
# Need to initiate checking of clients
3440
3392
if client.enabled:
3441
3393
client.init_checker()
3442
3394
3443
3395
tcp_server.enable()
3444
3396
tcp_server.server_activate()
3445
3397
3446
3398
# Find out what port we got
3447
3399
if zeroconf:
3448
3400
service.port = tcp_server.socket.getsockname()[1]
3453
3405
else: # IPv4
3454
3406
logger.info("Now listening on address %r, port %d",
3455
3407
*tcp_server.socket.getsockname())
3456
3457
# service.interface = tcp_server.socket.getsockname()[3]
3458
3408
3409
#service.interface = tcp_server.socket.getsockname()[3]
3410
3459
3411
try:
3460
3412
if zeroconf:
3461
3413
# From the Avahi example code
3466
3418
cleanup()
3467
3419
sys.exit(1)
3468
3420
# End of Avahi example code
3469
3421
3470
3422
GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,
3471
3423
lambda *args, **kwargs:
3472
3424
(tcp_server.handle_request
3473
3425
(*args[2:], **kwargs) or True))
3474
3426
3475
3427
logger.debug("Starting main loop")
3476
3428
main_loop.run()
3477
3429
except AvahiError as error:
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0