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# -*- coding: utf-8; lexical-binding: t -*-
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# -*- mode: python; coding: utf-8 -*-
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# Mandos server - give out binary blobs to connecting clients.
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# This program is partly derived from an example program for an Avahi
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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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# Everything else is
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# Copyright © 2008-2022 Teddy Hogeborn
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# Copyright © 2008-2022 Björn Påhlsson
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# This file is part of Mandos.
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# Mandos is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# Copyright © 2008-2011 Teddy Hogeborn
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# Copyright © 2008-2011 Björn Påhlsson
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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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# (at your option) any later version.
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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# This program is distributed in the hope that it will be useful,
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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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# You should have received a copy of the GNU General Public License
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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# Contact the authors at <mandos@recompile.se>.
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from __future__ import (division, absolute_import, print_function,
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from future_builtins import *
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import SocketServer as socketserver
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import SocketServer as socketserver
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import ConfigParser as configparser
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import gnutls.connection
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import gnutls.library.functions
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import gnutls.library.constants
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import gnutls.library.types
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import ConfigParser as configparser
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import logging.handlers
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import cPickle as pickle
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import cPickle as pickle
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import multiprocessing
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import dbus.service
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from gi.repository import GLib
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from dbus.mainloop.glib import DBusGMainLoop
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import xml.dom.minidom
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if sys.version_info.major == 2:
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# Add collections.abc.Callable if it does not exist
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collections.abc.Callable
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except AttributeError:
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Callable = collections.Callable
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collections.abc = abc
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# Add shlex.quote if it does not exist
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except AttributeError:
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shlex.quote = re.escape
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# Show warnings by default
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if not sys.warnoptions:
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warnings.simplefilter("default")
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# Try to find the value of SO_BINDTODEVICE:
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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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SO_BINDTODEVICE = socket.SO_BINDTODEVICE
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except AttributeError:
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# This is where SO_BINDTODEVICE was up to and including Python
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from IN import SO_BINDTODEVICE
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except ImportError:
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# In Python 2.7 it seems to have been removed entirely.
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# Try running the C preprocessor:
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cc = subprocess.Popen(["cc", "--language=c", "-E",
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE)
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stdout = cc.communicate(
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"#include <sys/socket.h>\nSO_BINDTODEVICE\n")[0]
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SO_BINDTODEVICE = int(stdout.splitlines()[-1])
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except (OSError, ValueError, IndexError):
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SO_BINDTODEVICE = None
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if sys.version_info < (3, 2):
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configparser.Configparser = configparser.SafeConfigParser
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SO_BINDTODEVICE = None
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stored_state_file = "clients.pickle"
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log = logging.getLogger(os.path.basename(sys.argv[0]))
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logging.captureWarnings(True) # Show warnings via the logging system
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logger = logging.getLogger()
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syslogger = (logging.handlers.SysLogHandler
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(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
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address = str("/dev/log")))
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if_nametoindex = ctypes.cdll.LoadLibrary(
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ctypes.util.find_library("c")).if_nametoindex
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if_nametoindex = (ctypes.cdll.LoadLibrary
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(ctypes.util.find_library("c"))
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except (OSError, AttributeError):
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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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with contextlib.closing(socket.socket()) as s:
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ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
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struct.pack(b"16s16x", interface))
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interface_index = struct.unpack("I", ifreq[16:20])[0]
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struct.pack(str("16s16x"),
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interface_index = struct.unpack(str("I"),
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return interface_index
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def copy_function(func):
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"""Make a copy of a function"""
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if sys.version_info.major == 2:
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return types.FunctionType(func.func_code,
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return types.FunctionType(func.__code__,
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def initlogger(debug, level=logging.WARNING):
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"""init logger and add loglevel"""
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syslogger = (logging.handlers.SysLogHandler(
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facility=logging.handlers.SysLogHandler.LOG_DAEMON,
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syslogger.setFormatter(logging.Formatter
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("Mandos [%(process)d]: %(levelname)s:"
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log.addHandler(syslogger)
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('Mandos [%(process)d]: %(levelname)s:'
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logger.addHandler(syslogger)
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console = logging.StreamHandler()
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console.setFormatter(logging.Formatter("%(asctime)s %(name)s"
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log.addHandler(console)
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console.setFormatter(logging.Formatter('%(asctime)s %(name)s'
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logger.addHandler(console)
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logger.setLevel(level)
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class PGPError(Exception):
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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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encoded = b"mandos" + binascii.hexlify(password)
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if len(encoded) > 2048:
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# GnuPG can't handle long passwords, so encode differently
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encoded = (b"mandos" + password.replace(b"\\", b"\\\\")
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.replace(b"\n", b"\\n")
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.replace(b"\0", b"\\x00"))
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return b"mandos" + binascii.hexlify(password)
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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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dir=self.tempdir) as passfile:
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passfile.write(passphrase)
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proc = subprocess.Popen([self.gpg, "--symmetric",
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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ciphertext, err = proc.communicate(input=data)
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if proc.returncode != 0:
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self.gnupg.passphrase = self.password_encode(password)
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with open(os.devnull) as devnull:
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proc = self.gnupg.run(['--symmetric'],
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create_fhs=['stdin', 'stdout'],
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attach_fhs={'stderr': devnull})
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with contextlib.closing(proc.handles['stdin']) as f:
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with contextlib.closing(proc.handles['stdout']) as f:
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ciphertext = f.read()
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self.gnupg.passphrase = None
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return ciphertext
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def decrypt(self, data, password):
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passphrase = self.password_encode(password)
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with tempfile.NamedTemporaryFile(
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dir=self.tempdir) as passfile:
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passfile.write(passphrase)
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proc = subprocess.Popen([self.gpg, "--decrypt",
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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decrypted_plaintext, err = proc.communicate(input=data)
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if proc.returncode != 0:
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self.gnupg.passphrase = self.password_encode(password)
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with open(os.devnull) as devnull:
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proc = self.gnupg.run(['--decrypt'],
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create_fhs=['stdin', 'stdout'],
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attach_fhs={'stderr': devnull})
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with contextlib.closing(proc.handles['stdin'] ) as f:
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with contextlib.closing(proc.handles['stdout']) as f:
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decrypted_plaintext = f.read()
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self.gnupg.passphrase = None
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return decrypted_plaintext
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# Pretend that we have an Avahi module
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"""This isn't so much a class as it is a module-like namespace."""
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IF_UNSPEC = -1 # avahi-common/address.h
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PROTO_UNSPEC = -1 # avahi-common/address.h
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PROTO_INET = 0 # avahi-common/address.h
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PROTO_INET6 = 1 # avahi-common/address.h
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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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DBUS_PATH_SERVER = "/"
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def string_array_to_txt_array(t):
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return dbus.Array((dbus.ByteArray(s.encode("utf-8"))
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for s in t), signature="ay")
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ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
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ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h
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ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h
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SERVER_INVALID = 0 # avahi-common/defs.h
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SERVER_REGISTERING = 1 # avahi-common/defs.h
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SERVER_RUNNING = 2 # avahi-common/defs.h
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SERVER_COLLISION = 3 # avahi-common/defs.h
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SERVER_FAILURE = 4 # avahi-common/defs.h
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class AvahiError(Exception):
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def __init__(self, value, *args, **kwargs):
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self.value = value
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return super(AvahiError, self).__init__(value, *args,
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super(AvahiError, self).__init__(value, *args, **kwargs)
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def __unicode__(self):
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return unicode(repr(self.value))
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class AvahiServiceError(AvahiError):
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class AvahiGroupError(AvahiError):
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class AvahiService(object):
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"""An Avahi (Zeroconf) service.
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interface: integer; avahi.IF_UNSPEC or an interface index.
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Used to optionally bind to the specified interface.
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name: string; Example: "Mandos"
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type: string; Example: "_mandos._tcp".
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See <https://www.iana.org/assignments/service-names-port-numbers>
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name: string; Example: 'Mandos'
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type: string; Example: '_mandos._tcp'.
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See <http://www.dns-sd.org/ServiceTypes.html>
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port: integer; what port to announce
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TXT: list of strings; TXT record for the service
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domain: string; Domain to publish on, default to .local if empty.
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follow_name_owner_changes=True),
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avahi.DBUS_INTERFACE_SERVER)
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self.server.connect_to_signal("StateChanged",
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self.server_state_changed)
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self.server_state_changed)
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self.server_state_changed(self.server.GetState())
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class AvahiServiceToSyslog(AvahiService):
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def rename(self, *args, **kwargs):
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"""Add the new name to the syslog messages"""
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ret = super(AvahiServiceToSyslog, self).rename(*args,
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syslogger.setFormatter(logging.Formatter(
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"Mandos ({}) [%(process)d]: %(levelname)s: %(message)s"
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ret = AvahiService.rename(self)
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syslogger.setFormatter(logging.Formatter
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('Mandos (%s) [%%(process)d]:'
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' %%(levelname)s: %%(message)s'
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# Pretend that we have a GnuTLS module
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"""This isn't so much a class as it is a module-like namespace."""
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library = ctypes.util.find_library("gnutls")
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library = ctypes.util.find_library("gnutls-deb0")
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_library = ctypes.cdll.LoadLibrary(library)
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# Unless otherwise indicated, the constants and types below are
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# all from the gnutls/gnutls.h C header file.
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E_NO_CERTIFICATE_FOUND = -49
561
KEYID_USE_SHA256 = 1 # gnutls/x509.h
562
OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h
565
class _session_int(ctypes.Structure):
567
session_t = ctypes.POINTER(_session_int)
569
class certificate_credentials_st(ctypes.Structure):
571
certificate_credentials_t = ctypes.POINTER(
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certificate_credentials_st)
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certificate_type_t = ctypes.c_int
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class datum_t(ctypes.Structure):
576
_fields_ = [("data", ctypes.POINTER(ctypes.c_ubyte)),
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("size", ctypes.c_uint)]
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class _openpgp_crt_int(ctypes.Structure):
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openpgp_crt_t = ctypes.POINTER(_openpgp_crt_int)
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openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
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log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)
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credentials_type_t = ctypes.c_int
585
transport_ptr_t = ctypes.c_void_p
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close_request_t = ctypes.c_int
589
class Error(Exception):
590
def __init__(self, message=None, code=None, args=()):
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# Default usage is by a message string, but if a return
592
# code is passed, convert it to a string with
595
if message is None and code is not None:
596
message = gnutls.strerror(code).decode(
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"utf-8", errors="replace")
598
return super(gnutls.Error, self).__init__(
601
class CertificateSecurityError(Error):
605
def __init__(self, cls):
608
def from_param(self, obj):
609
if not isinstance(obj, self.cls):
610
raise TypeError("Not of type {}: {!r}"
611
.format(self.cls.__name__, obj))
612
return ctypes.byref(obj.from_param(obj))
614
class CastToVoidPointer:
615
def __init__(self, cls):
618
def from_param(self, obj):
619
if not isinstance(obj, self.cls):
620
raise TypeError("Not of type {}: {!r}"
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.format(self.cls.__name__, obj))
622
return ctypes.cast(obj.from_param(obj), ctypes.c_void_p)
624
class With_from_param:
626
def from_param(cls, obj):
627
return obj._as_parameter_
630
class Credentials(With_from_param):
632
self._as_parameter_ = gnutls.certificate_credentials_t()
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gnutls.certificate_allocate_credentials(self)
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self.type = gnutls.CRD_CERTIFICATE
637
gnutls.certificate_free_credentials(self)
639
class ClientSession(With_from_param):
640
def __init__(self, socket, credentials=None):
641
self._as_parameter_ = gnutls.session_t()
642
gnutls_flags = gnutls.CLIENT
643
if gnutls.check_version(b"3.5.6"):
644
gnutls_flags |= gnutls.NO_TICKETS
646
gnutls_flags |= gnutls.ENABLE_RAWPK
647
gnutls.init(self, gnutls_flags)
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gnutls.set_default_priority(self)
650
gnutls.transport_set_ptr(self, socket.fileno())
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gnutls.handshake_set_private_extensions(self, True)
653
if credentials is None:
654
credentials = gnutls.Credentials()
655
gnutls.credentials_set(self, credentials.type,
657
self.credentials = credentials
663
return gnutls.handshake(self)
665
def send(self, data):
669
data_len -= gnutls.record_send(self, data[-data_len:],
673
return gnutls.bye(self, gnutls.SHUT_RDWR)
675
# Error handling functions
676
def _error_code(result):
677
"""A function to raise exceptions on errors, suitable
678
for the "restype" attribute on ctypes functions"""
679
if result >= gnutls.E_SUCCESS:
681
if result == gnutls.E_NO_CERTIFICATE_FOUND:
682
raise gnutls.CertificateSecurityError(code=result)
683
raise gnutls.Error(code=result)
685
def _retry_on_error(result, func, arguments,
686
_error_code=_error_code):
687
"""A function to retry on some errors, suitable
688
for the "errcheck" attribute on ctypes functions"""
689
while result < gnutls.E_SUCCESS:
690
if result not in (gnutls.E_INTERRUPTED, gnutls.E_AGAIN):
691
return _error_code(result)
692
result = func(*arguments)
695
# Unless otherwise indicated, the function declarations below are
696
# all from the gnutls/gnutls.h C header file.
699
priority_set_direct = _library.gnutls_priority_set_direct
700
priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,
701
ctypes.POINTER(ctypes.c_char_p)]
702
priority_set_direct.restype = _error_code
704
init = _library.gnutls_init
705
init.argtypes = [PointerTo(ClientSession), ctypes.c_int]
706
init.restype = _error_code
708
set_default_priority = _library.gnutls_set_default_priority
709
set_default_priority.argtypes = [ClientSession]
710
set_default_priority.restype = _error_code
712
record_send = _library.gnutls_record_send
713
record_send.argtypes = [ClientSession, ctypes.c_void_p,
715
record_send.restype = ctypes.c_ssize_t
716
record_send.errcheck = _retry_on_error
718
certificate_allocate_credentials = (
719
_library.gnutls_certificate_allocate_credentials)
720
certificate_allocate_credentials.argtypes = [
721
PointerTo(Credentials)]
722
certificate_allocate_credentials.restype = _error_code
724
certificate_free_credentials = (
725
_library.gnutls_certificate_free_credentials)
726
certificate_free_credentials.argtypes = [Credentials]
727
certificate_free_credentials.restype = None
729
handshake_set_private_extensions = (
730
_library.gnutls_handshake_set_private_extensions)
731
handshake_set_private_extensions.argtypes = [ClientSession,
733
handshake_set_private_extensions.restype = None
735
credentials_set = _library.gnutls_credentials_set
736
credentials_set.argtypes = [ClientSession, credentials_type_t,
737
CastToVoidPointer(Credentials)]
738
credentials_set.restype = _error_code
740
strerror = _library.gnutls_strerror
741
strerror.argtypes = [ctypes.c_int]
742
strerror.restype = ctypes.c_char_p
744
certificate_type_get = _library.gnutls_certificate_type_get
745
certificate_type_get.argtypes = [ClientSession]
746
certificate_type_get.restype = _error_code
748
certificate_get_peers = _library.gnutls_certificate_get_peers
749
certificate_get_peers.argtypes = [ClientSession,
750
ctypes.POINTER(ctypes.c_uint)]
751
certificate_get_peers.restype = ctypes.POINTER(datum_t)
753
global_set_log_level = _library.gnutls_global_set_log_level
754
global_set_log_level.argtypes = [ctypes.c_int]
755
global_set_log_level.restype = None
757
global_set_log_function = _library.gnutls_global_set_log_function
758
global_set_log_function.argtypes = [log_func]
759
global_set_log_function.restype = None
761
deinit = _library.gnutls_deinit
762
deinit.argtypes = [ClientSession]
763
deinit.restype = None
765
handshake = _library.gnutls_handshake
766
handshake.argtypes = [ClientSession]
767
handshake.restype = ctypes.c_int
768
handshake.errcheck = _retry_on_error
770
transport_set_ptr = _library.gnutls_transport_set_ptr
771
transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]
772
transport_set_ptr.restype = None
774
bye = _library.gnutls_bye
775
bye.argtypes = [ClientSession, close_request_t]
776
bye.restype = ctypes.c_int
777
bye.errcheck = _retry_on_error
779
check_version = _library.gnutls_check_version
780
check_version.argtypes = [ctypes.c_char_p]
781
check_version.restype = ctypes.c_char_p
783
_need_version = b"3.3.0"
784
if check_version(_need_version) is None:
785
raise self.Error("Needs GnuTLS {} or later"
786
.format(_need_version))
788
_tls_rawpk_version = b"3.6.6"
789
has_rawpk = bool(check_version(_tls_rawpk_version))
793
class pubkey_st(ctypes.Structure):
795
pubkey_t = ctypes.POINTER(pubkey_st)
797
x509_crt_fmt_t = ctypes.c_int
799
# All the function declarations below are from
801
pubkey_init = _library.gnutls_pubkey_init
802
pubkey_init.argtypes = [ctypes.POINTER(pubkey_t)]
803
pubkey_init.restype = _error_code
805
pubkey_import = _library.gnutls_pubkey_import
806
pubkey_import.argtypes = [pubkey_t, ctypes.POINTER(datum_t),
808
pubkey_import.restype = _error_code
810
pubkey_get_key_id = _library.gnutls_pubkey_get_key_id
811
pubkey_get_key_id.argtypes = [pubkey_t, ctypes.c_int,
812
ctypes.POINTER(ctypes.c_ubyte),
813
ctypes.POINTER(ctypes.c_size_t)]
814
pubkey_get_key_id.restype = _error_code
816
pubkey_deinit = _library.gnutls_pubkey_deinit
817
pubkey_deinit.argtypes = [pubkey_t]
818
pubkey_deinit.restype = None
820
# All the function declarations below are from
823
openpgp_crt_init = _library.gnutls_openpgp_crt_init
824
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
825
openpgp_crt_init.restype = _error_code
827
openpgp_crt_import = _library.gnutls_openpgp_crt_import
828
openpgp_crt_import.argtypes = [openpgp_crt_t,
829
ctypes.POINTER(datum_t),
831
openpgp_crt_import.restype = _error_code
833
openpgp_crt_verify_self = \
834
_library.gnutls_openpgp_crt_verify_self
835
openpgp_crt_verify_self.argtypes = [
838
ctypes.POINTER(ctypes.c_uint),
840
openpgp_crt_verify_self.restype = _error_code
842
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
843
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
844
openpgp_crt_deinit.restype = None
846
openpgp_crt_get_fingerprint = (
847
_library.gnutls_openpgp_crt_get_fingerprint)
848
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
852
openpgp_crt_get_fingerprint.restype = _error_code
854
if check_version(b"3.6.4"):
855
certificate_type_get2 = _library.gnutls_certificate_type_get2
856
certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]
857
certificate_type_get2.restype = _error_code
859
# Remove non-public functions
860
del _error_code, _retry_on_error
863
def call_pipe(connection, # : multiprocessing.Connection
864
func, *args, **kwargs):
865
"""This function is meant to be called by multiprocessing.Process
867
This function runs func(*args, **kwargs), and writes the resulting
868
return value on the provided multiprocessing.Connection.
870
connection.send(func(*args, **kwargs))
382
def timedelta_to_milliseconds(td):
383
"Convert a datetime.timedelta() to milliseconds"
384
return ((td.days * 24 * 60 * 60 * 1000)
385
+ (td.seconds * 1000)
386
+ (td.microseconds // 1000))
388
class Client(object):
875
389
"""A representation of a client host served by this server.
878
approved: bool(); None if not yet approved/disapproved
392
approved: bool(); 'None' if not yet approved/disapproved
879
393
approval_delay: datetime.timedelta(); Time to wait for approval
880
394
approval_duration: datetime.timedelta(); Duration of one approval
881
checker: multiprocessing.Process(); a running checker process used
882
to see if the client lives. None if no process is
884
checker_callback_tag: a GLib event source tag, or None
395
checker: subprocess.Popen(); a running checker process used
396
to see if the client lives.
397
'None' if no process is running.
398
checker_callback_tag: a gobject event source tag, or None
885
399
checker_command: string; External command which is run to check
886
400
if client lives. %() expansions are done at
887
401
runtime with vars(self) as dict, so that for
888
402
instance %(name)s can be used in the command.
889
checker_initiator_tag: a GLib event source tag, or None
403
checker_initiator_tag: a gobject event source tag, or None
890
404
created: datetime.datetime(); (UTC) object creation
891
405
client_structure: Object describing what attributes a client has
892
406
and is used for storing the client at exit
893
407
current_checker_command: string; current running checker_command
894
disable_initiator_tag: a GLib event source tag, or None
408
disable_initiator_tag: a gobject event source tag, or None
896
410
fingerprint: string (40 or 32 hexadecimal digits); used to
897
uniquely identify an OpenPGP client
898
key_id: string (64 hexadecimal digits); used to uniquely identify
899
a client using raw public keys
411
uniquely identify the client
900
412
host: string; available for use by the checker command
901
413
interval: datetime.timedelta(); How often to start a new checker
902
414
last_approval_request: datetime.datetime(); (UTC) or None
903
415
last_checked_ok: datetime.datetime(); (UTC) or None
904
416
last_checker_status: integer between 0 and 255 reflecting exit
905
417
status of last checker. -1 reflects crashed
906
checker, -2 means no checker completed yet.
907
last_checker_signal: The signal which killed the last checker, if
908
last_checker_status is -1
909
419
last_enabled: datetime.datetime(); (UTC) or None
910
420
name: string; from the config file, used in log messages and
911
421
D-Bus identifiers
912
422
secret: bytestring; sent verbatim (over TLS) to client
913
423
timeout: datetime.timedelta(); How long from last_checked_ok
914
424
until this client is disabled
915
extended_timeout: extra long timeout when secret has been sent
425
extended_timeout: extra long timeout when password has been sent
916
426
runtime_expansions: Allowed attributes for runtime expansion.
917
427
expires: datetime.datetime(); time (UTC) when a client will be
918
428
disabled, or None
919
server_settings: The server_settings dict from main()
922
431
runtime_expansions = ("approval_delay", "approval_duration",
923
"created", "enabled", "expires", "key_id",
924
"fingerprint", "host", "interval",
925
"last_approval_request", "last_checked_ok",
432
"created", "enabled", "fingerprint",
433
"host", "interval", "last_checked_ok",
926
434
"last_enabled", "name", "timeout")
929
"extended_timeout": "PT15M",
931
"checker": "fping -q -- %%(host)s",
933
"approval_delay": "PT0S",
934
"approval_duration": "PT1S",
935
"approved_by_default": "True",
435
client_defaults = { "timeout": "5m",
436
"extended_timeout": "15m",
438
"checker": "fping -q -- %%(host)s",
440
"approval_delay": "0s",
441
"approval_duration": "1s",
442
"approved_by_default": "True",
446
def timeout_milliseconds(self):
447
"Return the 'timeout' attribute in milliseconds"
448
return timedelta_to_milliseconds(self.timeout)
450
def extended_timeout_milliseconds(self):
451
"Return the 'extended_timeout' attribute in milliseconds"
452
return timedelta_to_milliseconds(self.extended_timeout)
454
def interval_milliseconds(self):
455
"Return the 'interval' attribute in milliseconds"
456
return timedelta_to_milliseconds(self.interval)
458
def approval_delay_milliseconds(self):
459
return timedelta_to_milliseconds(self.approval_delay)
940
462
def config_parser(config):
1023
539
self.current_checker_command = None
1024
540
self.approved = None
1025
541
self.approvals_pending = 0
1026
self.changedstate = multiprocessing_manager.Condition(
1027
multiprocessing_manager.Lock())
1028
self.client_structure = [attr
1029
for attr in self.__dict__.keys()
542
self.changedstate = (multiprocessing_manager
543
.Condition(multiprocessing_manager
545
self.client_structure = [attr for attr in
546
self.__dict__.iterkeys()
1030
547
if not attr.startswith("_")]
1031
548
self.client_structure.append("client_structure")
1033
for name, t in inspect.getmembers(
1034
type(self), lambda obj: isinstance(obj, property)):
550
for name, t in inspect.getmembers(type(self),
1035
554
if not name.startswith("_"):
1036
555
self.client_structure.append(name)
1038
557
# Send notice to process children that client state has changed
1039
558
def send_changedstate(self):
1040
559
with self.changedstate:
1041
560
self.changedstate.notify_all()
1043
562
def enable(self):
1044
563
"""Start this client's checker and timeout hooks"""
1045
564
if getattr(self, "enabled", False):
1046
565
# Already enabled
567
self.send_changedstate()
1048
568
self.expires = datetime.datetime.utcnow() + self.timeout
1049
569
self.enabled = True
1050
570
self.last_enabled = datetime.datetime.utcnow()
1051
571
self.init_checker()
1052
self.send_changedstate()
1054
573
def disable(self, quiet=True):
1055
574
"""Disable this client."""
1056
575
if not getattr(self, "enabled", False):
1059
log.info("Disabling client %s", self.name)
1060
if getattr(self, "disable_initiator_tag", None) is not None:
1061
GLib.source_remove(self.disable_initiator_tag)
578
self.send_changedstate()
580
logger.info("Disabling client %s", self.name)
581
if getattr(self, "disable_initiator_tag", False):
582
gobject.source_remove(self.disable_initiator_tag)
1062
583
self.disable_initiator_tag = None
1063
584
self.expires = None
1064
if getattr(self, "checker_initiator_tag", None) is not None:
1065
GLib.source_remove(self.checker_initiator_tag)
585
if getattr(self, "checker_initiator_tag", False):
586
gobject.source_remove(self.checker_initiator_tag)
1066
587
self.checker_initiator_tag = None
1067
588
self.stop_checker()
1068
589
self.enabled = False
1070
self.send_changedstate()
1071
# Do not run this again if called by a GLib.timeout_add
590
# Do not run this again if called by a gobject.timeout_add
1074
593
def __del__(self):
1077
596
def init_checker(self):
1078
597
# Schedule a new checker to be started an 'interval' from now,
1079
598
# and every interval from then on.
1080
if self.checker_initiator_tag is not None:
1081
GLib.source_remove(self.checker_initiator_tag)
1082
self.checker_initiator_tag = GLib.timeout_add(
1083
random.randrange(int(self.interval.total_seconds() * 1000
599
self.checker_initiator_tag = (gobject.timeout_add
600
(self.interval_milliseconds(),
1086
602
# Schedule a disable() when 'timeout' has passed
1087
if self.disable_initiator_tag is not None:
1088
GLib.source_remove(self.disable_initiator_tag)
1089
self.disable_initiator_tag = GLib.timeout_add(
1090
int(self.timeout.total_seconds() * 1000), self.disable)
603
self.disable_initiator_tag = (gobject.timeout_add
604
(self.timeout_milliseconds(),
1091
606
# Also start a new checker *right now*.
1092
607
self.start_checker()
1094
def checker_callback(self, source, condition, connection,
609
def checker_callback(self, pid, condition, command):
1096
610
"""The checker has completed, so take appropriate actions."""
1097
# Read return code from connection (see call_pipe)
1098
returncode = connection.recv()
1100
if self.checker is not None:
1102
611
self.checker_callback_tag = None
1103
612
self.checker = None
1106
self.last_checker_status = returncode
1107
self.last_checker_signal = None
613
if os.WIFEXITED(condition):
614
self.last_checker_status = os.WEXITSTATUS(condition)
1108
615
if self.last_checker_status == 0:
1109
log.info("Checker for %(name)s succeeded", vars(self))
616
logger.info("Checker for %(name)s succeeded",
1110
618
self.checked_ok()
1112
log.info("Checker for %(name)s failed", vars(self))
620
logger.info("Checker for %(name)s failed",
1114
623
self.last_checker_status = -1
1115
self.last_checker_signal = -returncode
1116
log.warning("Checker for %(name)s crashed?", vars(self))
1119
def checked_ok(self):
1120
"""Assert that the client has been seen, alive and well."""
1121
self.last_checked_ok = datetime.datetime.utcnow()
1122
self.last_checker_status = 0
1123
self.last_checker_signal = None
1126
def bump_timeout(self, timeout=None):
1127
"""Bump up the timeout for this client."""
624
logger.warning("Checker for %(name)s crashed?",
627
def checked_ok(self, timeout=None):
628
"""Bump up the timeout for this client.
630
This should only be called when the client has been seen,
1128
633
if timeout is None:
1129
634
timeout = self.timeout
635
self.last_checked_ok = datetime.datetime.utcnow()
1130
636
if self.disable_initiator_tag is not None:
1131
GLib.source_remove(self.disable_initiator_tag)
1132
self.disable_initiator_tag = None
637
gobject.source_remove(self.disable_initiator_tag)
1133
638
if getattr(self, "enabled", False):
1134
self.disable_initiator_tag = GLib.timeout_add(
1135
int(timeout.total_seconds() * 1000), self.disable)
639
self.disable_initiator_tag = (gobject.timeout_add
640
(timedelta_to_milliseconds
641
(timeout), self.disable))
1136
642
self.expires = datetime.datetime.utcnow() + timeout
1138
644
def need_approval(self):
1139
645
self.last_approval_request = datetime.datetime.utcnow()
1141
647
def start_checker(self):
1142
648
"""Start a new checker subprocess if one is not running.
1144
650
If a checker already exists, leave it running and do
1146
652
# The reason for not killing a running checker is that if we
1147
# did that, and if a checker (for some reason) started running
1148
# slowly and taking more than 'interval' time, then the client
1149
# would inevitably timeout, since no checker would get a
1150
# chance to run to completion. If we instead leave running
653
# did that, then if a checker (for some reason) started
654
# running slowly and taking more than 'interval' time, the
655
# client would inevitably timeout, since no checker would get
656
# a chance to run to completion. If we instead leave running
1151
657
# checkers alone, the checker would have to take more time
1152
658
# than 'timeout' for the client to be disabled, which is as it
1155
if self.checker is not None and not self.checker.is_alive():
1156
log.warning("Checker was not alive; joining")
661
# If a checker exists, make sure it is not a zombie
663
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
664
except (AttributeError, OSError) as error:
665
if (isinstance(error, OSError)
666
and error.errno != errno.ECHILD):
670
logger.warning("Checker was a zombie")
671
gobject.source_remove(self.checker_callback_tag)
672
self.checker_callback(pid, status,
673
self.current_checker_command)
1159
674
# Start a new checker if needed
1160
675
if self.checker is None:
1161
# Escape attributes for the shell
1163
attr: shlex.quote(str(getattr(self, attr)))
1164
for attr in self.runtime_expansions}
1166
command = self.checker_command % escaped_attrs
1167
except TypeError as error:
1168
log.error('Could not format string "%s"',
1169
self.checker_command, exc_info=error)
1170
return True # Try again later
677
# In case checker_command has exactly one % operator
678
command = self.checker_command % self.host
680
# Escape attributes for the shell
681
escaped_attrs = dict(
683
re.escape(unicode(str(getattr(self, attr, "")),
687
self.runtime_expansions)
690
command = self.checker_command % escaped_attrs
691
except TypeError as error:
692
logger.error('Could not format string "%s":'
693
' %s', self.checker_command, error)
694
return True # Try again later
1171
695
self.current_checker_command = command
1172
log.info("Starting checker %r for %s", command, self.name)
1173
# We don't need to redirect stdout and stderr, since
1174
# in normal mode, that is already done by daemon(),
1175
# and in debug mode we don't want to. (Stdin is
1176
# always replaced by /dev/null.)
1177
# The exception is when not debugging but nevertheless
1178
# running in the foreground; use the previously
1180
popen_args = {"close_fds": True,
1183
if (not self.server_settings["debug"]
1184
and self.server_settings["foreground"]):
1185
popen_args.update({"stdout": wnull,
1187
pipe = multiprocessing.Pipe(duplex=False)
1188
self.checker = multiprocessing.Process(
1190
args=(pipe[1], subprocess.call, command),
1192
self.checker.start()
1193
self.checker_callback_tag = GLib.io_add_watch(
1194
GLib.IOChannel.unix_new(pipe[0].fileno()),
1195
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
1196
self.checker_callback, pipe[0], command)
1197
# Re-run this periodically if run by GLib.timeout_add
697
logger.info("Starting checker %r for %s",
699
# We don't need to redirect stdout and stderr, since
700
# in normal mode, that is already done by daemon(),
701
# and in debug mode we don't want to. (Stdin is
702
# always replaced by /dev/null.)
703
self.checker = subprocess.Popen(command,
706
self.checker_callback_tag = (gobject.child_watch_add
708
self.checker_callback,
710
# The checker may have completed before the gobject
711
# watch was added. Check for this.
712
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
714
gobject.source_remove(self.checker_callback_tag)
715
self.checker_callback(pid, status, command)
716
except OSError as error:
717
logger.error("Failed to start subprocess: %s",
719
# Re-run this periodically if run by gobject.timeout_add
1200
722
def stop_checker(self):
1201
723
"""Force the checker process, if any, to stop."""
1202
724
if self.checker_callback_tag:
1203
GLib.source_remove(self.checker_callback_tag)
725
gobject.source_remove(self.checker_callback_tag)
1204
726
self.checker_callback_tag = None
1205
727
if getattr(self, "checker", None) is None:
1207
log.debug("Stopping checker for %(name)s", vars(self))
1208
self.checker.terminate()
729
logger.debug("Stopping checker for %(name)s", vars(self))
731
os.kill(self.checker.pid, signal.SIGTERM)
733
#if self.checker.poll() is None:
734
# os.kill(self.checker.pid, signal.SIGKILL)
735
except OSError as error:
736
if error.errno != errno.ESRCH: # No such process
1209
738
self.checker = None
1212
def dbus_service_property(dbus_interface,
741
def dbus_service_property(dbus_interface, signature="v",
742
access="readwrite", byte_arrays=False):
1216
743
"""Decorators for marking methods of a DBusObjectWithProperties to
1217
744
become properties on the D-Bus.
1219
746
The decorated method will be called with no arguments by "Get"
1220
747
and with one argument by "Set".
1222
749
The parameters, where they are supported, are the same as
1223
750
dbus.service.method, except there is only "signature", since the
1224
751
type from Get() and the type sent to Set() is the same.
1307
class DBusObjectWithAnnotations(dbus.service.Object):
1308
"""A D-Bus object with annotations.
1310
Classes inheriting from this can use the dbus_annotations
1311
decorator to add annotations to methods or signals.
1315
def _is_dbus_thing(thing):
1316
"""Returns a function testing if an attribute is a D-Bus thing
1318
If called like _is_dbus_thing("method") it returns a function
1319
suitable for use as predicate to inspect.getmembers().
1321
return lambda obj: getattr(obj, "_dbus_is_{}".format(thing),
1324
def _get_all_dbus_things(self, thing):
1325
"""Returns a generator of (name, attribute) pairs
1327
return ((getattr(athing.__get__(self), "_dbus_name", name),
1328
athing.__get__(self))
1329
for cls in self.__class__.__mro__
1331
inspect.getmembers(cls, self._is_dbus_thing(thing)))
1333
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1335
path_keyword="object_path",
1336
connection_keyword="connection")
1337
def Introspect(self, object_path, connection):
1338
"""Overloading of standard D-Bus method.
1340
Inserts annotation tags on methods and signals.
1342
xmlstring = dbus.service.Object.Introspect(self, object_path,
1345
document = xml.dom.minidom.parseString(xmlstring)
1347
for if_tag in document.getElementsByTagName("interface"):
1348
# Add annotation tags
1349
for typ in ("method", "signal"):
1350
for tag in if_tag.getElementsByTagName(typ):
1352
for name, prop in (self.
1353
_get_all_dbus_things(typ)):
1354
if (name == tag.getAttribute("name")
1355
and prop._dbus_interface
1356
== if_tag.getAttribute("name")):
1357
annots.update(getattr(
1358
prop, "_dbus_annotations", {}))
1359
for name, value in annots.items():
1360
ann_tag = document.createElement(
1362
ann_tag.setAttribute("name", name)
1363
ann_tag.setAttribute("value", value)
1364
tag.appendChild(ann_tag)
1365
# Add interface annotation tags
1366
for annotation, value in dict(
1367
itertools.chain.from_iterable(
1368
annotations().items()
1369
for name, annotations
1370
in self._get_all_dbus_things("interface")
1371
if name == if_tag.getAttribute("name")
1373
ann_tag = document.createElement("annotation")
1374
ann_tag.setAttribute("name", annotation)
1375
ann_tag.setAttribute("value", value)
1376
if_tag.appendChild(ann_tag)
1377
# Fix argument name for the Introspect method itself
1378
if (if_tag.getAttribute("name")
1379
== dbus.INTROSPECTABLE_IFACE):
1380
for cn in if_tag.getElementsByTagName("method"):
1381
if cn.getAttribute("name") == "Introspect":
1382
for arg in cn.getElementsByTagName("arg"):
1383
if (arg.getAttribute("direction")
1385
arg.setAttribute("name",
1387
xmlstring = document.toxml("utf-8")
1389
except (AttributeError, xml.dom.DOMException,
1390
xml.parsers.expat.ExpatError) as error:
1391
log.error("Failed to override Introspection method",
1396
class DBusObjectWithProperties(DBusObjectWithAnnotations):
790
class DBusObjectWithProperties(dbus.service.Object):
1397
791
"""A D-Bus object with properties.
1399
793
Classes inheriting from this can use the dbus_service_property
1400
794
decorator to expose methods as D-Bus properties. It exposes the
1401
795
standard Get(), Set(), and GetAll() methods on the D-Bus.
799
def _is_dbus_property(obj):
800
return getattr(obj, "_dbus_is_property", False)
802
def _get_all_dbus_properties(self):
803
"""Returns a generator of (name, attribute) pairs
805
return ((prop.__get__(self)._dbus_name, prop.__get__(self))
806
for cls in self.__class__.__mro__
808
inspect.getmembers(cls, self._is_dbus_property))
1404
810
def _get_dbus_property(self, interface_name, property_name):
1405
811
"""Returns a bound method if one exists which is a D-Bus
1406
812
property with the specified name and interface.
1408
for cls in self.__class__.__mro__:
1409
for name, value in inspect.getmembers(
1410
cls, self._is_dbus_thing("property")):
814
for cls in self.__class__.__mro__:
815
for name, value in (inspect.getmembers
816
(cls, self._is_dbus_property)):
1411
817
if (value._dbus_name == property_name
1412
818
and value._dbus_interface == interface_name):
1413
819
return value.__get__(self)
1415
821
# No such property
1416
raise DBusPropertyNotFound("{}:{}.{}".format(
1417
self.dbus_object_path, interface_name, property_name))
1420
def _get_all_interface_names(cls):
1421
"""Get a sequence of all interfaces supported by an object"""
1422
return (name for name in set(getattr(getattr(x, attr),
1423
"_dbus_interface", None)
1424
for x in (inspect.getmro(cls))
1426
if name is not None)
1428
@dbus.service.method(dbus.PROPERTIES_IFACE,
822
raise DBusPropertyNotFound(self.dbus_object_path + ":"
823
+ interface_name + "."
826
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature="ss",
1430
827
out_signature="v")
1431
828
def Get(self, interface_name, property_name):
1432
829
"""Standard D-Bus property Get() method, see D-Bus standard.
1555
920
document.unlink()
1556
921
except (AttributeError, xml.dom.DOMException,
1557
922
xml.parsers.expat.ExpatError) as error:
1558
log.error("Failed to override Introspection method",
1564
dbus.OBJECT_MANAGER_IFACE
1565
except AttributeError:
1566
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
1569
class DBusObjectWithObjectManager(DBusObjectWithAnnotations):
1570
"""A D-Bus object with an ObjectManager.
1572
Classes inheriting from this exposes the standard
1573
GetManagedObjects call and the InterfacesAdded and
1574
InterfacesRemoved signals on the standard
1575
"org.freedesktop.DBus.ObjectManager" interface.
1577
Note: No signals are sent automatically; they must be sent
1580
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
1581
out_signature="a{oa{sa{sv}}}")
1582
def GetManagedObjects(self):
1583
"""This function must be overridden"""
1584
raise NotImplementedError()
1586
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,
1587
signature="oa{sa{sv}}")
1588
def InterfacesAdded(self, object_path, interfaces_and_properties):
1591
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature="oas")
1592
def InterfacesRemoved(self, object_path, interfaces):
1595
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1597
path_keyword="object_path",
1598
connection_keyword="connection")
1599
def Introspect(self, object_path, connection):
1600
"""Overloading of standard D-Bus method.
1602
Override return argument name of GetManagedObjects to be
1603
"objpath_interfaces_and_properties"
1605
xmlstring = DBusObjectWithAnnotations.Introspect(self,
1609
document = xml.dom.minidom.parseString(xmlstring)
1611
for if_tag in document.getElementsByTagName("interface"):
1612
# Fix argument name for the GetManagedObjects method
1613
if (if_tag.getAttribute("name")
1614
== dbus.OBJECT_MANAGER_IFACE):
1615
for cn in if_tag.getElementsByTagName("method"):
1616
if (cn.getAttribute("name")
1617
== "GetManagedObjects"):
1618
for arg in cn.getElementsByTagName("arg"):
1619
if (arg.getAttribute("direction")
1623
"objpath_interfaces"
1625
xmlstring = document.toxml("utf-8")
1627
except (AttributeError, xml.dom.DOMException,
1628
xml.parsers.expat.ExpatError) as error:
1629
log.error("Failed to override Introspection method",
1634
def datetime_to_dbus(dt, variant_level=0):
923
logger.error("Failed to override Introspection method",
928
def datetime_to_dbus (dt, variant_level=0):
1635
929
"""Convert a UTC datetime.datetime() to a D-Bus type."""
1637
return dbus.String("", variant_level=variant_level)
1638
return dbus.String(dt.isoformat(), variant_level=variant_level)
1641
def alternate_dbus_interfaces(alt_interface_names, deprecate=True):
1642
"""A class decorator; applied to a subclass of
1643
dbus.service.Object, it will add alternate D-Bus attributes with
1644
interface names according to the "alt_interface_names" mapping.
1647
@alternate_dbus_interfaces({"org.example.Interface":
1648
"net.example.AlternateInterface"})
1649
class SampleDBusObject(dbus.service.Object):
1650
@dbus.service.method("org.example.Interface")
1651
def SampleDBusMethod():
1654
The above "SampleDBusMethod" on "SampleDBusObject" will be
1655
reachable via two interfaces: "org.example.Interface" and
1656
"net.example.AlternateInterface", the latter of which will have
1657
its D-Bus annotation "org.freedesktop.DBus.Deprecated" set to
1658
"true", unless "deprecate" is passed with a False value.
1660
This works for methods and signals, and also for D-Bus properties
1661
(from DBusObjectWithProperties) and interfaces (from the
1662
dbus_interface_annotations decorator).
931
return dbus.String("", variant_level = variant_level)
932
return dbus.String(dt.isoformat(),
933
variant_level=variant_level)
936
class AlternateDBusNamesMetaclass(DBusObjectWithProperties
938
"""Applied to an empty subclass of a D-Bus object, this metaclass
939
will add additional D-Bus attributes matching a certain pattern.
1666
for orig_interface_name, alt_interface_name in (
1667
alt_interface_names.items()):
1669
interface_names = set()
1670
# Go though all attributes of the class
1671
for attrname, attribute in inspect.getmembers(cls):
941
def __new__(mcs, name, bases, attr):
942
# Go through all the base classes which could have D-Bus
943
# methods, signals, or properties in them
944
for base in (b for b in bases
945
if issubclass(b, dbus.service.Object)):
946
# Go though all attributes of the base class
947
for attrname, attribute in inspect.getmembers(base):
1672
948
# Ignore non-D-Bus attributes, and D-Bus attributes
1673
949
# with the wrong interface name
1674
950
if (not hasattr(attribute, "_dbus_interface")
1675
or not attribute._dbus_interface.startswith(
1676
orig_interface_name)):
951
or not attribute._dbus_interface
952
.startswith("se.recompile.Mandos")):
1678
954
# Create an alternate D-Bus interface name based on
1679
955
# the current name
1680
alt_interface = attribute._dbus_interface.replace(
1681
orig_interface_name, alt_interface_name)
1682
interface_names.add(alt_interface)
956
alt_interface = (attribute._dbus_interface
957
.replace("se.recompile.Mandos",
958
"se.bsnet.fukt.Mandos"))
1683
959
# Is this a D-Bus signal?
1684
960
if getattr(attribute, "_dbus_is_signal", False):
1685
# Extract the original non-method undecorated
1686
# function by black magic
1687
if sys.version_info.major == 2:
1688
nonmethod_func = (dict(
961
# Extract the original non-method function by
963
nonmethod_func = (dict(
1689
964
zip(attribute.func_code.co_freevars,
1690
attribute.__closure__))
1691
["func"].cell_contents)
1693
nonmethod_func = (dict(
1694
zip(attribute.__code__.co_freevars,
1695
attribute.__closure__))
1696
["func"].cell_contents)
965
attribute.__closure__))["func"]
1697
967
# Create a new, but exactly alike, function
1698
968
# object, and decorate it to be a new D-Bus signal
1699
969
# with the alternate D-Bus interface name
1700
new_function = copy_function(nonmethod_func)
1701
new_function = (dbus.service.signal(
1703
attribute._dbus_signature)(new_function))
1704
# Copy annotations, if any
1706
new_function._dbus_annotations = dict(
1707
attribute._dbus_annotations)
1708
except AttributeError:
970
new_function = (dbus.service.signal
972
attribute._dbus_signature)
974
nonmethod_func.func_code,
975
nonmethod_func.func_globals,
976
nonmethod_func.func_name,
977
nonmethod_func.func_defaults,
978
nonmethod_func.func_closure)))
1711
979
# Define a creator of a function to call both the
1712
# original and alternate functions, so both the
1713
# original and alternate signals gets sent when
1714
# the function is called
980
# old and new functions, so both the old and new
981
# signals gets sent when the function is called
1715
982
def fixscope(func1, func2):
1716
983
"""This function is a scope container to pass
1717
984
func1 and func2 to the "call_both" function
1718
985
outside of its arguments"""
1720
@functools.wraps(func2)
1721
986
def call_both(*args, **kwargs):
1722
987
"""This function will emit two D-Bus
1723
988
signals by calling func1 and func2"""
1724
989
func1(*args, **kwargs)
1725
990
func2(*args, **kwargs)
1726
# Make wrapper function look like a D-Bus
1728
for name, attr in inspect.getmembers(func2):
1729
if name.startswith("_dbus_"):
1730
setattr(call_both, name, attr)
1732
991
return call_both
1733
992
# Create the "call_both" function and add it to
1735
attr[attrname] = fixscope(attribute, new_function)
994
attr[attrname] = fixscope(attribute,
1736
996
# Is this a D-Bus method?
1737
997
elif getattr(attribute, "_dbus_is_method", False):
1738
998
# Create a new, but exactly alike, function
1739
999
# object. Decorate it to be a new D-Bus method
1740
1000
# with the alternate D-Bus interface name. Add it
1741
1001
# to the class.
1743
dbus.service.method(
1745
attribute._dbus_in_signature,
1746
attribute._dbus_out_signature)
1747
(copy_function(attribute)))
1748
# Copy annotations, if any
1750
attr[attrname]._dbus_annotations = dict(
1751
attribute._dbus_annotations)
1752
except AttributeError:
1002
attr[attrname] = (dbus.service.method
1004
attribute._dbus_in_signature,
1005
attribute._dbus_out_signature)
1007
(attribute.func_code,
1008
attribute.func_globals,
1009
attribute.func_name,
1010
attribute.func_defaults,
1011
attribute.func_closure)))
1754
1012
# Is this a D-Bus property?
1755
1013
elif getattr(attribute, "_dbus_is_property", False):
1756
1014
# Create a new, but exactly alike, function
1757
1015
# object, and decorate it to be a new D-Bus
1758
1016
# property with the alternate D-Bus interface
1759
1017
# name. Add it to the class.
1760
attr[attrname] = (dbus_service_property(
1761
alt_interface, attribute._dbus_signature,
1762
attribute._dbus_access,
1763
attribute._dbus_get_args_options
1765
(copy_function(attribute)))
1766
# Copy annotations, if any
1768
attr[attrname]._dbus_annotations = dict(
1769
attribute._dbus_annotations)
1770
except AttributeError:
1772
# Is this a D-Bus interface?
1773
elif getattr(attribute, "_dbus_is_interface", False):
1774
# Create a new, but exactly alike, function
1775
# object. Decorate it to be a new D-Bus interface
1776
# with the alternate D-Bus interface name. Add it
1779
dbus_interface_annotations(alt_interface)
1780
(copy_function(attribute)))
1782
# Deprecate all alternate interfaces
1783
iname = "_AlternateDBusNames_interface_annotation{}"
1784
for interface_name in interface_names:
1786
@dbus_interface_annotations(interface_name)
1788
return {"org.freedesktop.DBus.Deprecated":
1790
# Find an unused name
1791
for aname in (iname.format(i)
1792
for i in itertools.count()):
1793
if aname not in attr:
1797
# Replace the class with a new subclass of it with
1798
# methods, signals, etc. as created above.
1799
if sys.version_info.major == 2:
1800
cls = type(b"{}Alternate".format(cls.__name__),
1803
cls = type("{}Alternate".format(cls.__name__),
1810
@alternate_dbus_interfaces({"se.recompile.Mandos":
1811
"se.bsnet.fukt.Mandos"})
1018
attr[attrname] = (dbus_service_property
1020
attribute._dbus_signature,
1021
attribute._dbus_access,
1023
._dbus_get_args_options
1026
(attribute.func_code,
1027
attribute.func_globals,
1028
attribute.func_name,
1029
attribute.func_defaults,
1030
attribute.func_closure)))
1031
return type.__new__(mcs, name, bases, attr)
1812
1034
class ClientDBus(Client, DBusObjectWithProperties):
1813
1035
"""A Client class using D-Bus
1816
1038
dbus_object_path: dbus.ObjectPath
1817
1039
bus: dbus.SystemBus()
1820
1042
runtime_expansions = (Client.runtime_expansions
1821
+ ("dbus_object_path", ))
1823
_interface = "se.recompile.Mandos.Client"
1043
+ ("dbus_object_path",))
1825
1045
# dbus.service.Object doesn't use super(), so we can't either.
1827
def __init__(self, bus=None, *args, **kwargs):
1047
def __init__(self, bus = None, *args, **kwargs):
1829
1049
Client.__init__(self, *args, **kwargs)
1050
self._approvals_pending = 0
1052
self._approvals_pending = 0
1830
1053
# Only now, when this client is initialized, can it show up on
1832
client_object_name = str(self.name).translate(
1055
client_object_name = unicode(self.name).translate(
1833
1056
{ord("."): ord("_"),
1834
1057
ord("-"): ord("_")})
1835
self.dbus_object_path = dbus.ObjectPath(
1836
"/clients/" + client_object_name)
1058
self.dbus_object_path = (dbus.ObjectPath
1059
("/clients/" + client_object_name))
1837
1060
DBusObjectWithProperties.__init__(self, self.bus,
1838
1061
self.dbus_object_path)
1840
def notifychangeproperty(transform_func, dbus_name,
1841
type_func=lambda x: x,
1843
invalidate_only=False,
1844
_interface=_interface):
1063
def notifychangeproperty(transform_func,
1064
dbus_name, type_func=lambda x: x,
1845
1066
""" Modify a variable so that it's a property which announces
1846
1067
its changes to DBus.
1848
1069
transform_fun: Function that takes a value and a variant_level
1849
1070
and transforms it to a D-Bus type.
1850
1071
dbus_name: D-Bus name of the variable
1852
1073
to the D-Bus. Default: no transform
1853
1074
variant_level: D-Bus variant level. Default: 1
1855
attrname = "_{}".format(dbus_name)
1076
attrname = "_{0}".format(dbus_name)
1857
1077
def setter(self, value):
1858
1078
if hasattr(self, "dbus_object_path"):
1859
1079
if (not hasattr(self, attrname) or
1860
1080
type_func(getattr(self, attrname, None))
1861
1081
!= type_func(value)):
1863
self.PropertiesChanged(
1864
_interface, dbus.Dictionary(),
1865
dbus.Array((dbus_name, )))
1867
dbus_value = transform_func(
1869
variant_level=variant_level)
1870
self.PropertyChanged(dbus.String(dbus_name),
1872
self.PropertiesChanged(
1874
dbus.Dictionary({dbus.String(dbus_name):
1082
dbus_value = transform_func(type_func(value),
1085
self.PropertyChanged(dbus.String(dbus_name),
1877
1087
setattr(self, attrname, value)
1879
1089
return property(lambda self: getattr(self, attrname), setter)
1881
1092
expires = notifychangeproperty(datetime_to_dbus, "Expires")
1882
1093
approvals_pending = notifychangeproperty(dbus.Boolean,
1883
1094
"ApprovalPending",
1885
1096
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1886
1097
last_enabled = notifychangeproperty(datetime_to_dbus,
1888
checker = notifychangeproperty(
1889
dbus.Boolean, "CheckerRunning",
1890
type_func=lambda checker: checker is not None)
1099
checker = notifychangeproperty(dbus.Boolean, "CheckerRunning",
1100
type_func = lambda checker:
1101
checker is not None)
1891
1102
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1892
1103
"LastCheckedOK")
1893
last_checker_status = notifychangeproperty(dbus.Int16,
1894
"LastCheckerStatus")
1895
1104
last_approval_request = notifychangeproperty(
1896
1105
datetime_to_dbus, "LastApprovalRequest")
1897
1106
approved_by_default = notifychangeproperty(dbus.Boolean,
1898
1107
"ApprovedByDefault")
1899
approval_delay = notifychangeproperty(
1900
dbus.UInt64, "ApprovalDelay",
1901
type_func=lambda td: td.total_seconds() * 1000)
1108
approval_delay = notifychangeproperty(dbus.UInt64,
1111
timedelta_to_milliseconds)
1902
1112
approval_duration = notifychangeproperty(
1903
1113
dbus.UInt64, "ApprovalDuration",
1904
type_func=lambda td: td.total_seconds() * 1000)
1114
type_func = timedelta_to_milliseconds)
1905
1115
host = notifychangeproperty(dbus.String, "Host")
1906
timeout = notifychangeproperty(
1907
dbus.UInt64, "Timeout",
1908
type_func=lambda td: td.total_seconds() * 1000)
1116
timeout = notifychangeproperty(dbus.UInt64, "Timeout",
1118
timedelta_to_milliseconds)
1909
1119
extended_timeout = notifychangeproperty(
1910
1120
dbus.UInt64, "ExtendedTimeout",
1911
type_func=lambda td: td.total_seconds() * 1000)
1912
interval = notifychangeproperty(
1913
dbus.UInt64, "Interval",
1914
type_func=lambda td: td.total_seconds() * 1000)
1121
type_func = timedelta_to_milliseconds)
1122
interval = notifychangeproperty(dbus.UInt64,
1125
timedelta_to_milliseconds)
1915
1126
checker_command = notifychangeproperty(dbus.String, "Checker")
1916
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1917
invalidate_only=True)
1919
1128
del notifychangeproperty
1921
1130
def __del__(self, *args, **kwargs):
1923
1132
self.remove_from_connection()
2002
1212
server to mandos-client
2006
1216
# Rejected - signal
2007
1217
@dbus.service.signal(_interface, signature="s")
2008
1218
def Rejected(self, reason):
2012
1222
# NeedApproval - signal
2013
1223
@dbus.service.signal(_interface, signature="tb")
2014
1224
def NeedApproval(self, timeout, default):
2016
1226
return self.need_approval()
1228
# NeRwequest - signal
1229
@dbus.service.signal(_interface, signature="s")
1230
def NewRequest(self, ip):
1232
Is sent after a client request a password.
2020
1238
# Approve - method
2021
1239
@dbus.service.method(_interface, in_signature="b")
2022
1240
def Approve(self, value):
2023
1241
self.approve(value)
2025
1243
# CheckedOK - method
2026
1244
@dbus.service.method(_interface)
2027
1245
def CheckedOK(self):
2028
1246
self.checked_ok()
2030
1248
# Enable - method
2031
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
2032
1249
@dbus.service.method(_interface)
2033
1250
def Enable(self):
2037
1254
# StartChecker - method
2038
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
2039
1255
@dbus.service.method(_interface)
2040
1256
def StartChecker(self):
2042
1258
self.start_checker()
2044
1260
# Disable - method
2045
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
2046
1261
@dbus.service.method(_interface)
2047
1262
def Disable(self):
2051
1266
# StopChecker - method
2052
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
2053
1267
@dbus.service.method(_interface)
2054
1268
def StopChecker(self):
2055
1269
self.stop_checker()
2059
1273
# ApprovalPending - property
2060
1274
@dbus_service_property(_interface, signature="b", access="read")
2061
1275
def ApprovalPending_dbus_property(self):
2062
1276
return dbus.Boolean(bool(self.approvals_pending))
2064
1278
# ApprovedByDefault - property
2065
@dbus_service_property(_interface,
1279
@dbus_service_property(_interface, signature="b",
2067
1280
access="readwrite")
2068
1281
def ApprovedByDefault_dbus_property(self, value=None):
2069
1282
if value is None: # get
2070
1283
return dbus.Boolean(self.approved_by_default)
2071
1284
self.approved_by_default = bool(value)
2073
1286
# ApprovalDelay - property
2074
@dbus_service_property(_interface,
1287
@dbus_service_property(_interface, signature="t",
2076
1288
access="readwrite")
2077
1289
def ApprovalDelay_dbus_property(self, value=None):
2078
1290
if value is None: # get
2079
return dbus.UInt64(self.approval_delay.total_seconds()
1291
return dbus.UInt64(self.approval_delay_milliseconds())
2081
1292
self.approval_delay = datetime.timedelta(0, 0, 0, value)
2083
1294
# ApprovalDuration - property
2084
@dbus_service_property(_interface,
1295
@dbus_service_property(_interface, signature="t",
2086
1296
access="readwrite")
2087
1297
def ApprovalDuration_dbus_property(self, value=None):
2088
1298
if value is None: # get
2089
return dbus.UInt64(self.approval_duration.total_seconds()
1299
return dbus.UInt64(timedelta_to_milliseconds(
1300
self.approval_duration))
2091
1301
self.approval_duration = datetime.timedelta(0, 0, 0, value)
2093
1303
# Name - property
2095
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2096
1304
@dbus_service_property(_interface, signature="s", access="read")
2097
1305
def Name_dbus_property(self):
2098
1306
return dbus.String(self.name)
2102
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2103
@dbus_service_property(_interface, signature="s", access="read")
2104
def KeyID_dbus_property(self):
2105
return dbus.String(self.key_id)
2107
1308
# Fingerprint - property
2109
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2110
1309
@dbus_service_property(_interface, signature="s", access="read")
2111
1310
def Fingerprint_dbus_property(self):
2112
1311
return dbus.String(self.fingerprint)
2114
1313
# Host - property
2115
@dbus_service_property(_interface,
1314
@dbus_service_property(_interface, signature="s",
2117
1315
access="readwrite")
2118
1316
def Host_dbus_property(self, value=None):
2119
1317
if value is None: # get
2120
1318
return dbus.String(self.host)
2121
self.host = str(value)
1319
self.host = unicode(value)
2123
1321
# Created - property
2125
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2126
1322
@dbus_service_property(_interface, signature="s", access="read")
2127
1323
def Created_dbus_property(self):
2128
1324
return datetime_to_dbus(self.created)
2130
1326
# LastEnabled - property
2131
1327
@dbus_service_property(_interface, signature="s", access="read")
2132
1328
def LastEnabled_dbus_property(self):
2133
1329
return datetime_to_dbus(self.last_enabled)
2135
1331
# Enabled - property
2136
@dbus_service_property(_interface,
1332
@dbus_service_property(_interface, signature="b",
2138
1333
access="readwrite")
2139
1334
def Enabled_dbus_property(self, value=None):
2140
1335
if value is None: # get
2147
1342
# LastCheckedOK - property
2148
@dbus_service_property(_interface,
1343
@dbus_service_property(_interface, signature="s",
2150
1344
access="readwrite")
2151
1345
def LastCheckedOK_dbus_property(self, value=None):
2152
1346
if value is not None:
2153
1347
self.checked_ok()
2155
1349
return datetime_to_dbus(self.last_checked_ok)
2157
# LastCheckerStatus - property
2158
@dbus_service_property(_interface, signature="n", access="read")
2159
def LastCheckerStatus_dbus_property(self):
2160
return dbus.Int16(self.last_checker_status)
2162
1351
# Expires - property
2163
1352
@dbus_service_property(_interface, signature="s", access="read")
2164
1353
def Expires_dbus_property(self):
2165
1354
return datetime_to_dbus(self.expires)
2167
1356
# LastApprovalRequest - property
2168
1357
@dbus_service_property(_interface, signature="s", access="read")
2169
1358
def LastApprovalRequest_dbus_property(self):
2170
1359
return datetime_to_dbus(self.last_approval_request)
2172
1361
# Timeout - property
2173
@dbus_service_property(_interface,
1362
@dbus_service_property(_interface, signature="t",
2175
1363
access="readwrite")
2176
1364
def Timeout_dbus_property(self, value=None):
2177
1365
if value is None: # get
2178
return dbus.UInt64(self.timeout.total_seconds() * 1000)
2179
old_timeout = self.timeout
1366
return dbus.UInt64(self.timeout_milliseconds())
2180
1367
self.timeout = datetime.timedelta(0, 0, 0, value)
2181
# Reschedule disabling
2183
now = datetime.datetime.utcnow()
2184
self.expires += self.timeout - old_timeout
2185
if self.expires <= now:
2186
# The timeout has passed
2189
if (getattr(self, "disable_initiator_tag", None)
2192
GLib.source_remove(self.disable_initiator_tag)
2193
self.disable_initiator_tag = GLib.timeout_add(
2194
int((self.expires - now).total_seconds() * 1000),
1368
if getattr(self, "disable_initiator_tag", None) is None:
1370
# Reschedule timeout
1371
gobject.source_remove(self.disable_initiator_tag)
1372
self.disable_initiator_tag = None
1374
time_to_die = timedelta_to_milliseconds((self
1379
if time_to_die <= 0:
1380
# The timeout has passed
1383
self.expires = (datetime.datetime.utcnow()
1384
+ datetime.timedelta(milliseconds =
1386
self.disable_initiator_tag = (gobject.timeout_add
1387
(time_to_die, self.disable))
2197
1389
# ExtendedTimeout - property
2198
@dbus_service_property(_interface,
1390
@dbus_service_property(_interface, signature="t",
2200
1391
access="readwrite")
2201
1392
def ExtendedTimeout_dbus_property(self, value=None):
2202
1393
if value is None: # get
2203
return dbus.UInt64(self.extended_timeout.total_seconds()
1394
return dbus.UInt64(self.extended_timeout_milliseconds())
2205
1395
self.extended_timeout = datetime.timedelta(0, 0, 0, value)
2207
1397
# Interval - property
2208
@dbus_service_property(_interface,
1398
@dbus_service_property(_interface, signature="t",
2210
1399
access="readwrite")
2211
1400
def Interval_dbus_property(self, value=None):
2212
1401
if value is None: # get
2213
return dbus.UInt64(self.interval.total_seconds() * 1000)
1402
return dbus.UInt64(self.interval_milliseconds())
2214
1403
self.interval = datetime.timedelta(0, 0, 0, value)
2215
1404
if getattr(self, "checker_initiator_tag", None) is None:
2217
1406
if self.enabled:
2218
1407
# Reschedule checker run
2219
GLib.source_remove(self.checker_initiator_tag)
2220
self.checker_initiator_tag = GLib.timeout_add(
2221
value, self.start_checker)
2222
self.start_checker() # Start one now, too
1408
gobject.source_remove(self.checker_initiator_tag)
1409
self.checker_initiator_tag = (gobject.timeout_add
1410
(value, self.start_checker))
1411
self.start_checker() # Start one now, too
2224
1413
# Checker - property
2225
@dbus_service_property(_interface,
1414
@dbus_service_property(_interface, signature="s",
2227
1415
access="readwrite")
2228
1416
def Checker_dbus_property(self, value=None):
2229
1417
if value is None: # get
2230
1418
return dbus.String(self.checker_command)
2231
self.checker_command = str(value)
1419
self.checker_command = unicode(value)
2233
1421
# CheckerRunning - property
2234
@dbus_service_property(_interface,
1422
@dbus_service_property(_interface, signature="b",
2236
1423
access="readwrite")
2237
1424
def CheckerRunning_dbus_property(self, value=None):
2238
1425
if value is None: # get
2241
1428
self.start_checker()
2243
1430
self.stop_checker()
2245
1432
# ObjectPath - property
2247
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const",
2248
"org.freedesktop.DBus.Deprecated": "true"})
2249
1433
@dbus_service_property(_interface, signature="o", access="read")
2250
1434
def ObjectPath_dbus_property(self):
2251
return self.dbus_object_path # is already a dbus.ObjectPath
1435
return self.dbus_object_path # is already a dbus.ObjectPath
2253
1437
# Secret = property
2255
{"org.freedesktop.DBus.Property.EmitsChangedSignal":
2257
@dbus_service_property(_interface,
1438
@dbus_service_property(_interface, signature="ay",
1439
access="write", byte_arrays=True)
2261
1440
def Secret_dbus_property(self, value):
2262
self.secret = bytes(value)
1441
self.secret = str(value)
2268
def __init__(self, child_pipe, key_id, fpr, address):
1446
class ProxyClient(object):
1447
def __init__(self, child_pipe, fpr, address):
2269
1448
self._pipe = child_pipe
2270
self._pipe.send(("init", key_id, fpr, address))
1449
self._pipe.send(('init', fpr, address))
2271
1450
if not self._pipe.recv():
2272
raise KeyError(key_id or fpr)
2274
1453
def __getattribute__(self, name):
2276
1455
return super(ProxyClient, self).__getattribute__(name)
2277
self._pipe.send(("getattr", name))
1456
self._pipe.send(('getattr', name))
2278
1457
data = self._pipe.recv()
2279
if data[0] == "data":
1458
if data[0] == 'data':
2281
if data[0] == "function":
1460
if data[0] == 'function':
2283
1461
def func(*args, **kwargs):
2284
self._pipe.send(("funcall", name, args, kwargs))
1462
self._pipe.send(('funcall', name, args, kwargs))
2285
1463
return self._pipe.recv()[1]
2289
1466
def __setattr__(self, name, value):
2291
1468
return super(ProxyClient, self).__setattr__(name, value)
2292
self._pipe.send(("setattr", name, value))
1469
self._pipe.send(('setattr', name, value))
1472
class ClientDBusTransitional(ClientDBus):
1473
__metaclass__ = AlternateDBusNamesMetaclass
2295
1476
class ClientHandler(socketserver.BaseRequestHandler, object):
2296
1477
"""A class to handle client connections.
2298
1479
Instantiated once for each connection to handle it.
2299
1480
Note: This will run in its own forked process."""
2301
1482
def handle(self):
2302
1483
with contextlib.closing(self.server.child_pipe) as child_pipe:
2303
log.info("TCP connection from: %s",
2304
str(self.client_address))
2305
log.debug("Pipe FD: %d", self.server.child_pipe.fileno())
2307
session = gnutls.ClientSession(self.request)
2309
# priority = ":".join(("NONE", "+VERS-TLS1.1",
2310
# "+AES-256-CBC", "+SHA1",
2311
# "+COMP-NULL", "+CTYPE-OPENPGP",
1484
logger.info("TCP connection from: %s",
1485
unicode(self.client_address))
1486
logger.debug("Pipe FD: %d",
1487
self.server.child_pipe.fileno())
1489
session = (gnutls.connection
1490
.ClientSession(self.request,
1492
.X509Credentials()))
1494
# Note: gnutls.connection.X509Credentials is really a
1495
# generic GnuTLS certificate credentials object so long as
1496
# no X.509 keys are added to it. Therefore, we can use it
1497
# here despite using OpenPGP certificates.
1499
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
1500
# "+AES-256-CBC", "+SHA1",
1501
# "+COMP-NULL", "+CTYPE-OPENPGP",
2313
1503
# Use a fallback default, since this MUST be set.
2314
1504
priority = self.server.gnutls_priority
2315
1505
if priority is None:
2316
1506
priority = "NORMAL"
2317
gnutls.priority_set_direct(session,
2318
priority.encode("utf-8"), None)
1507
(gnutls.library.functions
1508
.gnutls_priority_set_direct(session._c_object,
2320
1511
# Start communication using the Mandos protocol
2321
1512
# Get protocol number
2322
1513
line = self.request.makefile().readline()
2323
log.debug("Protocol version: %r", line)
1514
logger.debug("Protocol version: %r", line)
2325
1516
if int(line.strip().split()[0]) > 1:
2326
raise RuntimeError(line)
2327
1518
except (ValueError, IndexError, RuntimeError) as error:
2328
log.error("Unknown protocol version: %s", error)
1519
logger.error("Unknown protocol version: %s", error)
2331
1522
# Start GnuTLS connection
2333
1524
session.handshake()
2334
except gnutls.Error as error:
2335
log.warning("Handshake failed: %s", error)
1525
except gnutls.errors.GNUTLSError as error:
1526
logger.warning("Handshake failed: %s", error)
2336
1527
# Do not run session.bye() here: the session is not
2337
1528
# established. Just abandon the request.
2339
log.debug("Handshake succeeded")
1530
logger.debug("Handshake succeeded")
2341
1532
approval_required = False
2343
if gnutls.has_rawpk:
2346
key_id = self.key_id(
2347
self.peer_certificate(session))
2348
except (TypeError, gnutls.Error) as error:
2349
log.warning("Bad certificate: %s", error)
2351
log.debug("Key ID: %s",
2352
key_id.decode("utf-8",
2358
fpr = self.fingerprint(
2359
self.peer_certificate(session))
2360
except (TypeError, gnutls.Error) as error:
2361
log.warning("Bad certificate: %s", error)
2363
log.debug("Fingerprint: %s", fpr)
2366
client = ProxyClient(child_pipe, key_id, fpr,
1535
fpr = self.fingerprint(self.peer_certificate
1538
gnutls.errors.GNUTLSError) as error:
1539
logger.warning("Bad certificate: %s", error)
1541
logger.debug("Fingerprint: %s", fpr)
1544
client = ProxyClient(child_pipe, fpr,
2367
1545
self.client_address)
2368
1546
except KeyError:
1549
if self.server.use_dbus:
1551
client.NewRequest(str(self.client_address))
2371
1553
if client.approval_delay:
2372
1554
delay = client.approval_delay
2373
1555
client.approvals_pending += 1
2374
1556
approval_required = True
2377
1559
if not client.enabled:
2378
log.info("Client %s is disabled", client.name)
1560
logger.info("Client %s is disabled",
2379
1562
if self.server.use_dbus:
2380
1563
# Emit D-Bus signal
2381
1564
client.Rejected("Disabled")
2384
1567
if client.approved or not client.approval_delay:
2385
# We are approved or approval is disabled
1568
#We are approved or approval is disabled
2387
1570
elif client.approved is None:
2388
log.info("Client %s needs approval",
1571
logger.info("Client %s needs approval",
2390
1573
if self.server.use_dbus:
2391
1574
# Emit D-Bus signal
2392
1575
client.NeedApproval(
2393
client.approval_delay.total_seconds()
2394
* 1000, client.approved_by_default)
1576
client.approval_delay_milliseconds(),
1577
client.approved_by_default)
2396
log.warning("Client %s was not approved",
1579
logger.warning("Client %s was not approved",
2398
1581
if self.server.use_dbus:
2399
1582
# Emit D-Bus signal
2400
1583
client.Rejected("Denied")
2403
# wait until timeout or approved
1586
#wait until timeout or approved
2404
1587
time = datetime.datetime.now()
2405
1588
client.changedstate.acquire()
2406
client.changedstate.wait(delay.total_seconds())
1589
(client.changedstate.wait
1590
(float(client.timedelta_to_milliseconds(delay)
2407
1592
client.changedstate.release()
2408
1593
time2 = datetime.datetime.now()
2409
1594
if (time2 - time) >= delay:
2410
1595
if not client.approved_by_default:
2411
log.warning("Client %s timed out while"
2412
" waiting for approval",
1596
logger.warning("Client %s timed out while"
1597
" waiting for approval",
2414
1599
if self.server.use_dbus:
2415
1600
# Emit D-Bus signal
2416
1601
client.Rejected("Approval timed out")
2421
1606
delay -= time2 - time
2424
session.send(client.secret)
2425
except gnutls.Error as error:
2426
log.warning("gnutls send failed", exc_info=error)
2429
log.info("Sending secret to %s", client.name)
1609
while sent_size < len(client.secret):
1611
sent = session.send(client.secret[sent_size:])
1612
except gnutls.errors.GNUTLSError as error:
1613
logger.warning("gnutls send failed")
1615
logger.debug("Sent: %d, remaining: %d",
1616
sent, len(client.secret)
1617
- (sent_size + sent))
1620
logger.info("Sending secret to %s", client.name)
2430
1621
# bump the timeout using extended_timeout
2431
client.bump_timeout(client.extended_timeout)
1622
client.checked_ok(client.extended_timeout)
2432
1623
if self.server.use_dbus:
2433
1624
# Emit D-Bus signal
2434
1625
client.GotSecret()
2437
1628
if approval_required:
2438
1629
client.approvals_pending -= 1
2441
except gnutls.Error as error:
2442
log.warning("GnuTLS bye failed", exc_info=error)
1632
except gnutls.errors.GNUTLSError as error:
1633
logger.warning("GnuTLS bye failed")
2445
1636
def peer_certificate(session):
2446
"Return the peer's certificate as a bytestring"
2448
cert_type = gnutls.certificate_type_get2(
2449
session, gnutls.CTYPE_PEERS)
2450
except AttributeError:
2451
cert_type = gnutls.certificate_type_get(session)
2452
if gnutls.has_rawpk:
2453
valid_cert_types = frozenset((gnutls.CRT_RAWPK,))
2455
valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))
2456
# If not a valid certificate type...
2457
if cert_type not in valid_cert_types:
2458
log.info("Cert type %r not in %r", cert_type,
2460
# ...return invalid data
1637
"Return the peer's OpenPGP certificate as a bytestring"
1638
# If not an OpenPGP certificate...
1639
if (gnutls.library.functions
1640
.gnutls_certificate_type_get(session._c_object)
1641
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
1642
# ...do the normal thing
1643
return session.peer_certificate
2462
1644
list_size = ctypes.c_uint(1)
2463
cert_list = (gnutls.certificate_get_peers
2464
(session, ctypes.byref(list_size)))
1645
cert_list = (gnutls.library.functions
1646
.gnutls_certificate_get_peers
1647
(session._c_object, ctypes.byref(list_size)))
2465
1648
if not bool(cert_list) and list_size.value != 0:
2466
raise gnutls.Error("error getting peer certificate")
1649
raise gnutls.errors.GNUTLSError("error getting peer"
2467
1651
if list_size.value == 0:
2469
1653
cert = cert_list[0]
2470
1654
return ctypes.string_at(cert.data, cert.size)
2473
def key_id(certificate):
2474
"Convert a certificate bytestring to a hexdigit key ID"
2475
# New GnuTLS "datum" with the public key
2476
datum = gnutls.datum_t(
2477
ctypes.cast(ctypes.c_char_p(certificate),
2478
ctypes.POINTER(ctypes.c_ubyte)),
2479
ctypes.c_uint(len(certificate)))
2480
# XXX all these need to be created in the gnutls "module"
2481
# New empty GnuTLS certificate
2482
pubkey = gnutls.pubkey_t()
2483
gnutls.pubkey_init(ctypes.byref(pubkey))
2484
# Import the raw public key into the certificate
2485
gnutls.pubkey_import(pubkey,
2486
ctypes.byref(datum),
2487
gnutls.X509_FMT_DER)
2488
# New buffer for the key ID
2489
buf = ctypes.create_string_buffer(32)
2490
buf_len = ctypes.c_size_t(len(buf))
2491
# Get the key ID from the raw public key into the buffer
2492
gnutls.pubkey_get_key_id(
2494
gnutls.KEYID_USE_SHA256,
2495
ctypes.cast(ctypes.byref(buf),
2496
ctypes.POINTER(ctypes.c_ubyte)),
2497
ctypes.byref(buf_len))
2498
# Deinit the certificate
2499
gnutls.pubkey_deinit(pubkey)
2501
# Convert the buffer to a Python bytestring
2502
key_id = ctypes.string_at(buf, buf_len.value)
2503
# Convert the bytestring to hexadecimal notation
2504
hex_key_id = binascii.hexlify(key_id).upper()
2508
1657
def fingerprint(openpgp):
2509
1658
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
2510
1659
# New GnuTLS "datum" with the OpenPGP public key
2511
datum = gnutls.datum_t(
2512
ctypes.cast(ctypes.c_char_p(openpgp),
2513
ctypes.POINTER(ctypes.c_ubyte)),
2514
ctypes.c_uint(len(openpgp)))
1660
datum = (gnutls.library.types
1661
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
1664
ctypes.c_uint(len(openpgp))))
2515
1665
# New empty GnuTLS certificate
2516
crt = gnutls.openpgp_crt_t()
2517
gnutls.openpgp_crt_init(ctypes.byref(crt))
1666
crt = gnutls.library.types.gnutls_openpgp_crt_t()
1667
(gnutls.library.functions
1668
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
2518
1669
# Import the OpenPGP public key into the certificate
2519
gnutls.openpgp_crt_import(crt, ctypes.byref(datum),
2520
gnutls.OPENPGP_FMT_RAW)
1670
(gnutls.library.functions
1671
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
1672
gnutls.library.constants
1673
.GNUTLS_OPENPGP_FMT_RAW))
2521
1674
# Verify the self signature in the key
2522
1675
crtverify = ctypes.c_uint()
2523
gnutls.openpgp_crt_verify_self(crt, 0,
2524
ctypes.byref(crtverify))
1676
(gnutls.library.functions
1677
.gnutls_openpgp_crt_verify_self(crt, 0,
1678
ctypes.byref(crtverify)))
2525
1679
if crtverify.value != 0:
2526
gnutls.openpgp_crt_deinit(crt)
2527
raise gnutls.CertificateSecurityError(code
1680
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1681
raise (gnutls.errors.CertificateSecurityError
2529
1683
# New buffer for the fingerprint
2530
1684
buf = ctypes.create_string_buffer(20)
2531
1685
buf_len = ctypes.c_size_t()
2532
1686
# Get the fingerprint from the certificate into the buffer
2533
gnutls.openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
2534
ctypes.byref(buf_len))
1687
(gnutls.library.functions
1688
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
1689
ctypes.byref(buf_len)))
2535
1690
# Deinit the certificate
2536
gnutls.openpgp_crt_deinit(crt)
1691
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
2537
1692
# Convert the buffer to a Python bytestring
2538
1693
fpr = ctypes.string_at(buf, buf_len.value)
2539
1694
# Convert the bytestring to hexadecimal notation
2544
class MultiprocessingMixIn:
1699
class MultiprocessingMixIn(object):
2545
1700
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2547
1701
def sub_process_main(self, request, address):
2549
1703
self.finish_request(request, address)
2550
1704
except Exception:
2551
1705
self.handle_error(request, address)
2552
1706
self.close_request(request)
2554
1708
def process_request(self, request, address):
2555
1709
"""Start a new process to process the request."""
2556
proc = multiprocessing.Process(target=self.sub_process_main,
2557
args=(request, address))
1710
proc = multiprocessing.Process(target = self.sub_process_main,
2562
class MultiprocessingMixInWithPipe(MultiprocessingMixIn):
1717
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2563
1718
""" adds a pipe to the MixIn """
2565
1719
def process_request(self, request, client_address):
2566
1720
"""Overrides and wraps the original process_request().
2568
1722
This function creates a new pipe in self.pipe
2570
1724
parent_pipe, self.child_pipe = multiprocessing.Pipe()
2572
1726
proc = MultiprocessingMixIn.process_request(self, request,
2573
1727
client_address)
2574
1728
self.child_pipe.close()
2575
1729
self.add_pipe(parent_pipe, proc)
2577
1731
def add_pipe(self, parent_pipe, proc):
2578
1732
"""Dummy function; override as necessary"""
2579
raise NotImplementedError()
1733
raise NotImplementedError
2582
1736
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
2583
socketserver.TCPServer):
2584
"""IPv6-capable TCP server. Accepts None as address and/or port
1737
socketserver.TCPServer, object):
1738
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
2587
1741
enabled: Boolean; whether this server is activated yet
2588
1742
interface: None or a network interface name (string)
2589
1743
use_ipv6: Boolean; to use IPv6 or not
2592
1745
def __init__(self, server_address, RequestHandlerClass,
2596
"""If socketfd is set, use that file descriptor instead of
2597
creating a new one with socket.socket().
1746
interface=None, use_ipv6=True):
2599
1747
self.interface = interface
2601
1749
self.address_family = socket.AF_INET6
2602
if socketfd is not None:
2603
# Save the file descriptor
2604
self.socketfd = socketfd
2605
# Save the original socket.socket() function
2606
self.socket_socket = socket.socket
2608
# To implement --socket, we monkey patch socket.socket.
2610
# (When socketserver.TCPServer is a new-style class, we
2611
# could make self.socket into a property instead of monkey
2612
# patching socket.socket.)
2614
# Create a one-time-only replacement for socket.socket()
2615
@functools.wraps(socket.socket)
2616
def socket_wrapper(*args, **kwargs):
2617
# Restore original function so subsequent calls are
2619
socket.socket = self.socket_socket
2620
del self.socket_socket
2621
# This time only, return a new socket object from the
2622
# saved file descriptor.
2623
return socket.fromfd(self.socketfd, *args, **kwargs)
2624
# Replace socket.socket() function with wrapper
2625
socket.socket = socket_wrapper
2626
# The socketserver.TCPServer.__init__ will call
2627
# socket.socket(), which might be our replacement,
2628
# socket_wrapper(), if socketfd was set.
2629
1750
socketserver.TCPServer.__init__(self, server_address,
2630
1751
RequestHandlerClass)
2632
1752
def server_bind(self):
2633
1753
"""This overrides the normal server_bind() function
2634
1754
to bind to an interface if one was specified, and also NOT to
2635
1755
bind to an address or port if they were not specified."""
2636
global SO_BINDTODEVICE
2637
1756
if self.interface is not None:
2638
1757
if SO_BINDTODEVICE is None:
2639
# Fall back to a hard-coded value which seems to be
2641
log.warning("SO_BINDTODEVICE not found, trying 25")
2642
SO_BINDTODEVICE = 25
2644
self.socket.setsockopt(
2645
socket.SOL_SOCKET, SO_BINDTODEVICE,
2646
(self.interface + "\0").encode("utf-8"))
2647
except socket.error as error:
2648
if error.errno == errno.EPERM:
2649
log.error("No permission to bind to interface %s",
2651
elif error.errno == errno.ENOPROTOOPT:
2652
log.error("SO_BINDTODEVICE not available; cannot"
2653
" bind to interface %s", self.interface)
2654
elif error.errno == errno.ENODEV:
2655
log.error("Interface %s does not exist, cannot"
2656
" bind", self.interface)
1758
logger.error("SO_BINDTODEVICE does not exist;"
1759
" cannot bind to interface %s",
1763
self.socket.setsockopt(socket.SOL_SOCKET,
1767
except socket.error as error:
1768
if error[0] == errno.EPERM:
1769
logger.error("No permission to"
1770
" bind to interface %s",
1772
elif error[0] == errno.ENOPROTOOPT:
1773
logger.error("SO_BINDTODEVICE not available;"
1774
" cannot bind to interface %s",
2659
1778
# Only bind(2) the socket if we really need to.
2660
1779
if self.server_address[0] or self.server_address[1]:
2661
if self.server_address[1]:
2662
self.allow_reuse_address = True
2663
1780
if not self.server_address[0]:
2664
1781
if self.address_family == socket.AF_INET6:
2665
any_address = "::" # in6addr_any
1782
any_address = "::" # in6addr_any
2667
any_address = "0.0.0.0" # INADDR_ANY
1784
any_address = socket.INADDR_ANY
2668
1785
self.server_address = (any_address,
2669
1786
self.server_address[1])
2670
1787
elif not self.server_address[1]:
2671
self.server_address = (self.server_address[0], 0)
1788
self.server_address = (self.server_address[0],
2672
1790
# if self.interface:
2673
1791
# self.server_address = (self.server_address[0],
2704
1817
self.gnutls_priority = gnutls_priority
2705
1818
IPv6_TCPServer.__init__(self, server_address,
2706
1819
RequestHandlerClass,
2707
interface=interface,
1820
interface = interface,
1821
use_ipv6 = use_ipv6)
2711
1822
def server_activate(self):
2712
1823
if self.enabled:
2713
1824
return socketserver.TCPServer.server_activate(self)
2715
1826
def enable(self):
2716
1827
self.enabled = True
2718
1829
def add_pipe(self, parent_pipe, proc):
2719
1830
# Call "handle_ipc" for both data and EOF events
2721
GLib.IOChannel.unix_new(parent_pipe.fileno()),
2722
GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
2723
functools.partial(self.handle_ipc,
2724
parent_pipe=parent_pipe,
2727
def handle_ipc(self, source, condition,
2730
client_object=None):
1831
gobject.io_add_watch(parent_pipe.fileno(),
1832
gobject.IO_IN | gobject.IO_HUP,
1833
functools.partial(self.handle_ipc,
1838
def handle_ipc(self, source, condition, parent_pipe=None,
1839
proc = None, client_object=None):
1841
gobject.IO_IN: "IN", # There is data to read.
1842
gobject.IO_OUT: "OUT", # Data can be written (without
1844
gobject.IO_PRI: "PRI", # There is urgent data to read.
1845
gobject.IO_ERR: "ERR", # Error condition.
1846
gobject.IO_HUP: "HUP" # Hung up (the connection has been
1847
# broken, usually for pipes and
1850
conditions_string = ' | '.join(name
1852
condition_names.iteritems()
1853
if cond & condition)
2731
1854
# error, or the other end of multiprocessing.Pipe has closed
2732
if condition & (GLib.IO_ERR | GLib.IO_HUP):
1855
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
2733
1856
# Wait for other process to exit
2737
1860
# Read a request from the child
2738
1861
request = parent_pipe.recv()
2739
1862
command = request[0]
2741
if command == "init":
2742
key_id = request[1].decode("ascii")
2743
fpr = request[2].decode("ascii")
2744
address = request[3]
2746
for c in self.clients.values():
2747
if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"
2748
"27AE41E4649B934CA495991B7852B855"):
2750
if key_id and c.key_id == key_id:
2753
if fpr and c.fingerprint == fpr:
1864
if command == 'init':
1866
address = request[2]
1868
for c in self.clients.itervalues():
1869
if c.fingerprint == fpr:
2757
log.info("Client not found for key ID: %s, address:"
2758
" %s", key_id or fpr, address)
1873
logger.info("Client not found for fingerprint: %s, ad"
1874
"dress: %s", fpr, address)
2759
1875
if self.use_dbus:
2760
1876
# Emit D-Bus signal
2761
mandos_dbus_service.ClientNotFound(key_id or fpr,
1877
mandos_dbus_service.ClientNotFound(fpr,
2763
1879
parent_pipe.send(False)
2767
GLib.IOChannel.unix_new(parent_pipe.fileno()),
2768
GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
2769
functools.partial(self.handle_ipc,
2770
parent_pipe=parent_pipe,
2772
client_object=client))
1882
gobject.io_add_watch(parent_pipe.fileno(),
1883
gobject.IO_IN | gobject.IO_HUP,
1884
functools.partial(self.handle_ipc,
2773
1890
parent_pipe.send(True)
2774
1891
# remove the old hook in favor of the new above hook on
2777
if command == "funcall":
1894
if command == 'funcall':
2778
1895
funcname = request[1]
2779
1896
args = request[2]
2780
1897
kwargs = request[3]
2782
parent_pipe.send(("data", getattr(client_object,
1899
parent_pipe.send(('data', getattr(client_object,
2783
1900
funcname)(*args,
2786
if command == "getattr":
1903
if command == 'getattr':
2787
1904
attrname = request[1]
2788
if isinstance(client_object.__getattribute__(attrname),
2789
collections.abc.Callable):
2790
parent_pipe.send(("function", ))
1905
if callable(client_object.__getattribute__(attrname)):
1906
parent_pipe.send(('function',))
2793
"data", client_object.__getattribute__(attrname)))
2795
if command == "setattr":
1908
parent_pipe.send(('data', client_object
1909
.__getattribute__(attrname)))
1911
if command == 'setattr':
2796
1912
attrname = request[1]
2797
1913
value = request[2]
2798
1914
setattr(client_object, attrname, value)
2803
def rfc3339_duration_to_delta(duration):
2804
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
2806
>>> timedelta = datetime.timedelta
2807
>>> rfc3339_duration_to_delta("P7D") == timedelta(7)
2809
>>> rfc3339_duration_to_delta("PT60S") == timedelta(0, 60)
2811
>>> rfc3339_duration_to_delta("PT60M") == timedelta(0, 3600)
2813
>>> rfc3339_duration_to_delta("PT24H") == timedelta(1)
2815
>>> rfc3339_duration_to_delta("P1W") == timedelta(7)
2817
>>> rfc3339_duration_to_delta("PT5M30S") == timedelta(0, 330)
2819
>>> rfc3339_duration_to_delta("P1DT3M20S") == timedelta(1, 200)
2824
# Parsing an RFC 3339 duration with regular expressions is not
2825
# possible - there would have to be multiple places for the same
2826
# values, like seconds. The current code, while more esoteric, is
2827
# cleaner without depending on a parsing library. If Python had a
2828
# built-in library for parsing we would use it, but we'd like to
2829
# avoid excessive use of external libraries.
2831
# New type for defining tokens, syntax, and semantics all-in-one
2832
Token = collections.namedtuple("Token", (
2833
"regexp", # To match token; if "value" is not None, must have
2834
# a "group" containing digits
2835
"value", # datetime.timedelta or None
2836
"followers")) # Tokens valid after this token
2837
# RFC 3339 "duration" tokens, syntax, and semantics; taken from
2838
# the "duration" ABNF definition in RFC 3339, Appendix A.
2839
token_end = Token(re.compile(r"$"), None, frozenset())
2840
token_second = Token(re.compile(r"(\d+)S"),
2841
datetime.timedelta(seconds=1),
2842
frozenset((token_end, )))
2843
token_minute = Token(re.compile(r"(\d+)M"),
2844
datetime.timedelta(minutes=1),
2845
frozenset((token_second, token_end)))
2846
token_hour = Token(re.compile(r"(\d+)H"),
2847
datetime.timedelta(hours=1),
2848
frozenset((token_minute, token_end)))
2849
token_time = Token(re.compile(r"T"),
2851
frozenset((token_hour, token_minute,
2853
token_day = Token(re.compile(r"(\d+)D"),
2854
datetime.timedelta(days=1),
2855
frozenset((token_time, token_end)))
2856
token_month = Token(re.compile(r"(\d+)M"),
2857
datetime.timedelta(weeks=4),
2858
frozenset((token_day, token_end)))
2859
token_year = Token(re.compile(r"(\d+)Y"),
2860
datetime.timedelta(weeks=52),
2861
frozenset((token_month, token_end)))
2862
token_week = Token(re.compile(r"(\d+)W"),
2863
datetime.timedelta(weeks=1),
2864
frozenset((token_end, )))
2865
token_duration = Token(re.compile(r"P"), None,
2866
frozenset((token_year, token_month,
2867
token_day, token_time,
2869
# Define starting values:
2871
value = datetime.timedelta()
2873
# Following valid tokens
2874
followers = frozenset((token_duration, ))
2875
# String left to parse
2877
# Loop until end token is found
2878
while found_token is not token_end:
2879
# Search for any currently valid tokens
2880
for token in followers:
2881
match = token.regexp.match(s)
2882
if match is not None:
2884
if token.value is not None:
2885
# Value found, parse digits
2886
factor = int(match.group(1), 10)
2887
# Add to value so far
2888
value += factor * token.value
2889
# Strip token from string
2890
s = token.regexp.sub("", s, 1)
2893
# Set valid next tokens
2894
followers = found_token.followers
2897
# No currently valid tokens were found
2898
raise ValueError("Invalid RFC 3339 duration: {!r}"
2904
1919
def string_to_delta(interval):
2905
1920
"""Parse a string and return a datetime.timedelta
2907
>>> string_to_delta("7d") == datetime.timedelta(7)
2909
>>> string_to_delta("60s") == datetime.timedelta(0, 60)
2911
>>> string_to_delta("60m") == datetime.timedelta(0, 3600)
2913
>>> string_to_delta("24h") == datetime.timedelta(1)
2915
>>> string_to_delta("1w") == datetime.timedelta(7)
2917
>>> string_to_delta("5m 30s") == datetime.timedelta(0, 330)
1922
>>> string_to_delta('7d')
1923
datetime.timedelta(7)
1924
>>> string_to_delta('60s')
1925
datetime.timedelta(0, 60)
1926
>>> string_to_delta('60m')
1927
datetime.timedelta(0, 3600)
1928
>>> string_to_delta('24h')
1929
datetime.timedelta(1)
1930
>>> string_to_delta('1w')
1931
datetime.timedelta(7)
1932
>>> string_to_delta('5m 30s')
1933
datetime.timedelta(0, 330)
2922
return rfc3339_duration_to_delta(interval)
2926
1935
timevalue = datetime.timedelta(0)
2927
1936
for s in interval.split():
1938
suffix = unicode(s[-1])
2930
1939
value = int(s[:-1])
2931
1940
if suffix == "d":
2932
1941
delta = datetime.timedelta(value)
3004
2013
parser.add_argument("--no-dbus", action="store_false",
3005
2014
dest="use_dbus", help="Do not provide D-Bus"
3006
" system bus interface", default=None)
2015
" system bus interface")
3007
2016
parser.add_argument("--no-ipv6", action="store_false",
3008
dest="use_ipv6", help="Do not use IPv6",
2017
dest="use_ipv6", help="Do not use IPv6")
3010
2018
parser.add_argument("--no-restore", action="store_false",
3011
2019
dest="restore", help="Do not restore stored"
3012
" state", default=None)
3013
parser.add_argument("--socket", type=int,
3014
help="Specify a file descriptor to a network"
3015
" socket to use instead of creating one")
3016
2021
parser.add_argument("--statedir", metavar="DIR",
3017
2022
help="Directory to save/restore state in")
3018
parser.add_argument("--foreground", action="store_true",
3019
help="Run in foreground", default=None)
3020
parser.add_argument("--no-zeroconf", action="store_false",
3021
dest="zeroconf", help="Do not use Zeroconf",
3024
2024
options = parser.parse_args()
3026
2031
# Default values for config file for server-global settings
3027
if gnutls.has_rawpk:
3028
priority = ("SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA"
3029
":!VERS-ALL:+VERS-TLS1.3:%PROFILE_ULTRA")
3031
priority = ("SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
3032
":+SIGN-DSA-SHA256")
3033
server_defaults = {"interface": "",
3037
"priority": priority,
3038
"servicename": "Mandos",
3044
"statedir": "/var/lib/mandos",
3045
"foreground": "False",
2032
server_defaults = { "interface": "",
2037
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
2038
"servicename": "Mandos",
2043
"statedir": "/var/lib/mandos"
3050
2046
# Parse config file for server-global settings
3051
server_config = configparser.ConfigParser(server_defaults)
2047
server_config = configparser.SafeConfigParser(server_defaults)
3052
2048
del server_defaults
3053
server_config.read(os.path.join(options.configdir, "mandos.conf"))
3054
# Convert the ConfigParser object to a dict
2049
server_config.read(os.path.join(options.configdir,
2051
# Convert the SafeConfigParser object to a dict
3055
2052
server_settings = server_config.defaults()
3056
2053
# Use the appropriate methods on the non-string config options
3057
for option in ("debug", "use_dbus", "use_ipv6", "restore",
3058
"foreground", "zeroconf"):
2054
for option in ("debug", "use_dbus", "use_ipv6"):
3059
2055
server_settings[option] = server_config.getboolean("DEFAULT",
3061
2057
if server_settings["port"]:
3062
2058
server_settings["port"] = server_config.getint("DEFAULT",
3064
if server_settings["socket"]:
3065
server_settings["socket"] = server_config.getint("DEFAULT",
3067
# Later, stdin will, and stdout and stderr might, be dup'ed
3068
# over with an opened os.devnull. But we don't want this to
3069
# happen with a supplied network socket.
3070
if 0 <= server_settings["socket"] <= 2:
3071
server_settings["socket"] = os.dup(server_settings
3073
2060
del server_config
3075
2062
# Override the settings from the config file with command line
3076
2063
# options, if set.
3077
2064
for option in ("interface", "address", "port", "debug",
3078
"priority", "servicename", "configdir", "use_dbus",
3079
"use_ipv6", "debuglevel", "restore", "statedir",
3080
"socket", "foreground", "zeroconf"):
2065
"priority", "servicename", "configdir",
2066
"use_dbus", "use_ipv6", "debuglevel", "restore",
3081
2068
value = getattr(options, option)
3082
2069
if value is not None:
3083
2070
server_settings[option] = value
3085
2072
# Force all strings to be unicode
3086
2073
for option in server_settings.keys():
3087
if isinstance(server_settings[option], bytes):
3088
server_settings[option] = (server_settings[option]
3090
# Force all boolean options to be boolean
3091
for option in ("debug", "use_dbus", "use_ipv6", "restore",
3092
"foreground", "zeroconf"):
3093
server_settings[option] = bool(server_settings[option])
3094
# Debug implies foreground
3095
if server_settings["debug"]:
3096
server_settings["foreground"] = True
2074
if type(server_settings[option]) is str:
2075
server_settings[option] = unicode(server_settings[option])
3097
2076
# Now we have our good server settings in "server_settings"
3099
2078
##################################################################
3101
if (not server_settings["zeroconf"]
3102
and not (server_settings["port"]
3103
or server_settings["socket"] != "")):
3104
parser.error("Needs port or socket to work without Zeroconf")
3106
2080
# For convenience
3107
2081
debug = server_settings["debug"]
3108
2082
debuglevel = server_settings["debuglevel"]
3122
2094
level = getattr(logging, debuglevel.upper())
3123
2095
initlogger(debug, level)
3125
2097
if server_settings["servicename"] != "Mandos":
3126
syslogger.setFormatter(
3127
logging.Formatter("Mandos ({}) [%(process)d]:"
3128
" %(levelname)s: %(message)s".format(
3129
server_settings["servicename"])))
2098
syslogger.setFormatter(logging.Formatter
2099
('Mandos (%s) [%%(process)d]:'
2100
' %%(levelname)s: %%(message)s'
2101
% server_settings["servicename"]))
3131
2103
# Parse config file with clients
3132
client_config = configparser.ConfigParser(Client.client_defaults)
2104
client_config = configparser.SafeConfigParser(Client.client_defaults)
3133
2105
client_config.read(os.path.join(server_settings["configdir"],
3134
2106
"clients.conf"))
3136
2108
global mandos_dbus_service
3137
2109
mandos_dbus_service = None
3140
if server_settings["socket"] != "":
3141
socketfd = server_settings["socket"]
3142
tcp_server = MandosServer(
3143
(server_settings["address"], server_settings["port"]),
3145
interface=(server_settings["interface"] or None),
3147
gnutls_priority=server_settings["priority"],
3151
pidfilename = "/run/mandos.pid"
3152
if not os.path.isdir("/run/."):
3153
pidfilename = "/var/run/mandos.pid"
3156
pidfile = codecs.open(pidfilename, "w", encoding="utf-8")
3157
except IOError as e:
3158
log.error("Could not open file %r", pidfilename,
3161
for name, group in (("_mandos", "_mandos"),
3162
("mandos", "mandos"),
3163
("nobody", "nogroup")):
3165
uid = pwd.getpwnam(name).pw_uid
3166
gid = pwd.getpwnam(group).pw_gid
2111
tcp_server = MandosServer((server_settings["address"],
2112
server_settings["port"]),
2114
interface=(server_settings["interface"]
2118
server_settings["priority"],
2121
pidfilename = "/var/run/mandos.pid"
2123
pidfile = open(pidfilename, "w")
2125
logger.error("Could not open file %r", pidfilename)
2128
uid = pwd.getpwnam("_mandos").pw_uid
2129
gid = pwd.getpwnam("_mandos").pw_gid
2132
uid = pwd.getpwnam("mandos").pw_uid
2133
gid = pwd.getpwnam("mandos").pw_gid
3168
2134
except KeyError:
2136
uid = pwd.getpwnam("nobody").pw_uid
2137
gid = pwd.getpwnam("nobody").pw_gid
3176
log.debug("Did setuid/setgid to %s:%s", uid, gid)
3177
2144
except OSError as error:
3178
log.warning("Failed to setuid/setgid to %s:%s: %s", uid, gid,
3179
os.strerror(error.errno))
3180
if error.errno != errno.EPERM:
2145
if error[0] != errno.EPERM:
3184
2149
# Enable all possible GnuTLS debugging
3186
2151
# "Use a log level over 10 to enable all debugging options."
3187
2152
# - GnuTLS manual
3188
gnutls.global_set_log_level(11)
2153
gnutls.library.functions.gnutls_global_set_log_level(11)
2155
@gnutls.library.types.gnutls_log_func
3191
2156
def debug_gnutls(level, string):
3192
log.debug("GnuTLS: %s",
3193
string[:-1].decode("utf-8", errors="replace"))
3195
gnutls.global_set_log_function(debug_gnutls)
2157
logger.debug("GnuTLS: %s", string[:-1])
2159
(gnutls.library.functions
2160
.gnutls_global_set_log_function(debug_gnutls))
3197
2162
# Redirect stdin so all checkers get /dev/null
3198
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
2163
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
3199
2164
os.dup2(null, sys.stdin.fileno())
3203
2168
# Need to fork before connecting to D-Bus
3205
2170
# Close all input and output, do double fork, etc.
3208
if gi.version_info < (3, 10, 2):
3209
# multiprocessing will use threads, so before we use GLib we
3210
# need to inform GLib that threads will be used.
2173
gobject.threads_init()
3213
2175
global main_loop
3214
2176
# From the Avahi example code
3215
DBusGMainLoop(set_as_default=True)
3216
main_loop = GLib.MainLoop()
2177
DBusGMainLoop(set_as_default=True )
2178
main_loop = gobject.MainLoop()
3217
2179
bus = dbus.SystemBus()
3218
2180
# End of Avahi example code
3221
2183
bus_name = dbus.service.BusName("se.recompile.Mandos",
3224
old_bus_name = dbus.service.BusName(
3225
"se.bsnet.fukt.Mandos", bus,
3227
except dbus.exceptions.DBusException as e:
3228
log.error("Disabling D-Bus:", exc_info=e)
2184
bus, do_not_queue=True)
2185
old_bus_name = (dbus.service.BusName
2186
("se.bsnet.fukt.Mandos", bus,
2188
except dbus.exceptions.NameExistsException as e:
2189
logger.error(unicode(e) + ", disabling D-Bus")
3229
2190
use_dbus = False
3230
2191
server_settings["use_dbus"] = False
3231
2192
tcp_server.use_dbus = False
3233
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
3234
service = AvahiServiceToSyslog(
3235
name=server_settings["servicename"],
3236
servicetype="_mandos._tcp",
3239
if server_settings["interface"]:
3240
service.interface = if_nametoindex(
3241
server_settings["interface"].encode("utf-8"))
2193
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
2194
service = AvahiServiceToSyslog(name =
2195
server_settings["servicename"],
2196
servicetype = "_mandos._tcp",
2197
protocol = protocol, bus = bus)
2198
if server_settings["interface"]:
2199
service.interface = (if_nametoindex
2200
(str(server_settings["interface"])))
3243
2202
global multiprocessing_manager
3244
2203
multiprocessing_manager = multiprocessing.Manager()
3246
2205
client_class = Client
3248
client_class = functools.partial(ClientDBus, bus=bus)
2207
client_class = functools.partial(ClientDBusTransitional,
3250
2210
client_settings = Client.config_parser(client_config)
3251
2211
old_client_settings = {}
3252
2212
clients_data = {}
3254
# This is used to redirect stdout and stderr for checker processes
3256
wnull = open(os.devnull, "w") # A writable /dev/null
3257
# Only used if server is running in foreground but not in debug
3259
if debug or not foreground:
3262
2214
# Get client data and settings from last running state.
3263
2215
if server_settings["restore"]:
3265
2217
with open(stored_state_path, "rb") as stored_state:
3266
if sys.version_info.major == 2:
3267
clients_data, old_client_settings = pickle.load(
3270
bytes_clients_data, bytes_old_client_settings = (
3271
pickle.load(stored_state, encoding="bytes"))
3272
# Fix bytes to strings
3275
clients_data = {(key.decode("utf-8")
3276
if isinstance(key, bytes)
3279
bytes_clients_data.items()}
3280
del bytes_clients_data
3281
for key in clients_data:
3282
value = {(k.decode("utf-8")
3283
if isinstance(k, bytes) else k): v
3285
clients_data[key].items()}
3286
clients_data[key] = value
3288
value["client_structure"] = [
3290
if isinstance(s, bytes)
3292
value["client_structure"]]
3293
# .name, .host, and .checker_command
3294
for k in ("name", "host", "checker_command"):
3295
if isinstance(value[k], bytes):
3296
value[k] = value[k].decode("utf-8")
3297
if "key_id" not in value:
3298
value["key_id"] = ""
3299
elif "fingerprint" not in value:
3300
value["fingerprint"] = ""
3301
# old_client_settings
3303
old_client_settings = {
3304
(key.decode("utf-8")
3305
if isinstance(key, bytes)
3308
bytes_old_client_settings.items()}
3309
del bytes_old_client_settings
3310
# .host and .checker_command
3311
for value in old_client_settings.values():
3312
for attribute in ("host", "checker_command"):
3313
if isinstance(value[attribute], bytes):
3314
value[attribute] = (value[attribute]
2218
clients_data, old_client_settings = (pickle.load
3316
2220
os.remove(stored_state_path)
3317
2221
except IOError as e:
3318
if e.errno == errno.ENOENT:
3319
log.warning("Could not load persistent state:"
3320
" %s", os.strerror(e.errno))
3322
log.critical("Could not load persistent state:",
2222
logger.warning("Could not load persistent state: {0}"
2224
if e.errno != errno.ENOENT:
3325
2226
except EOFError as e:
3326
log.warning("Could not load persistent state: EOFError:",
2227
logger.warning("Could not load persistent state: "
2228
"EOFError: {0}".format(e))
3329
2230
with PGPEngine() as pgp:
3330
for client_name, client in clients_data.items():
3331
# Skip removed clients
3332
if client_name not in client_settings:
2231
for client_name, client in clients_data.iteritems():
3335
2232
# Decide which value to use after restoring saved state.
3336
2233
# We have three different values: Old config file,
3337
2234
# new config file, and saved state.
3342
2239
# For each value in new config, check if it
3343
2240
# differs from the old config value (Except for
3344
2241
# the "secret" attribute)
3345
if (name != "secret"
3347
old_client_settings[client_name][name])):
2242
if (name != "secret" and
2243
value != old_client_settings[client_name]
3348
2245
client[name] = value
3349
2246
except KeyError:
3352
2249
# Clients who has passed its expire date can still be
3353
# enabled if its last checker was successful. A Client
3354
# whose checker succeeded before we stored its state is
3355
# assumed to have successfully run all checkers during
2250
# enabled if its last checker was successful. Clients
2251
# whose checker failed before we stored its state is
2252
# assumed to have failed all checkers during downtime.
3357
2253
if client["enabled"]:
3358
2254
if datetime.datetime.utcnow() >= client["expires"]:
3359
2255
if not client["last_checked_ok"]:
3360
log.warning("disabling client %s - Client"
3361
" never performed a successful"
3362
" checker", client_name)
2257
"disabling client {0} - Client never "
2258
"performed a successfull checker"
2259
.format(client["name"]))
3363
2260
client["enabled"] = False
3364
2261
elif client["last_checker_status"] != 0:
3365
log.warning("disabling client %s - Client"
3366
" last checker failed with error"
3367
" code %s", client_name,
3368
client["last_checker_status"])
2263
"disabling client {0} - Client "
2264
"last checker failed with error code {1}"
2265
.format(client["name"],
2266
client["last_checker_status"]))
3369
2267
client["enabled"] = False
3371
client["expires"] = (
3372
datetime.datetime.utcnow()
3373
+ client["timeout"])
3374
log.debug("Last checker succeeded, keeping %s"
3375
" enabled", client_name)
2269
client["expires"] = (datetime.datetime
2271
+ client["timeout"])
2272
logger.debug("Last checker succeeded,"
2273
" keeping {0} enabled"
2274
.format(client["name"]))
3377
client["secret"] = pgp.decrypt(
3378
client["encrypted_secret"],
3379
client_settings[client_name]["secret"])
2276
client["secret"] = (
2277
pgp.decrypt(client["encrypted_secret"],
2278
client_settings[client_name]
3380
2280
except PGPError:
3381
2281
# If decryption fails, we use secret from new settings
3382
log.debug("Failed to decrypt %s old secret",
3384
client["secret"] = (client_settings[client_name]
2282
logger.debug("Failed to decrypt {0} old secret"
2283
.format(client_name))
2284
client["secret"] = (
2285
client_settings[client_name]["secret"])
3387
2288
# Add/remove clients based on new changes made to config
3388
for client_name in (set(old_client_settings)
3389
- set(client_settings)):
2289
for client_name in set(old_client_settings) - set(client_settings):
3390
2290
del clients_data[client_name]
3391
for client_name in (set(client_settings)
3392
- set(old_client_settings)):
2291
for client_name in set(client_settings) - set(old_client_settings):
3393
2292
clients_data[client_name] = client_settings[client_name]
3395
# Create all client objects
3396
for client_name, client in clients_data.items():
2294
# Create clients all clients
2295
for client_name, client in clients_data.iteritems():
3397
2296
tcp_server.clients[client_name] = client_class(
3400
server_settings=server_settings)
2297
name = client_name, settings = client)
3402
2299
if not tcp_server.clients:
3403
log.warning("No clients defined")
3406
if pidfile is not None:
3410
print(pid, file=pidfile)
3412
log.error("Could not write to file %r with PID %d",
2300
logger.warning("No clients defined")
2306
pidfile.write(str(pid) + "\n".encode("utf-8"))
2309
logger.error("Could not write to file %r with PID %d",
2312
# "pidfile" was never created
3415
2314
del pidfilename
3417
for termsig in (signal.SIGHUP, signal.SIGTERM):
3418
GLib.unix_signal_add(GLib.PRIORITY_HIGH, termsig,
3419
lambda: main_loop.quit() and False)
2315
signal.signal(signal.SIGINT, signal.SIG_IGN)
2317
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
2318
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
3423
@alternate_dbus_interfaces(
3424
{"se.recompile.Mandos": "se.bsnet.fukt.Mandos"})
3425
class MandosDBusService(DBusObjectWithObjectManager):
2321
class MandosDBusService(dbus.service.Object):
3426
2322
"""A D-Bus proxy object"""
3428
2323
def __init__(self):
3429
2324
dbus.service.Object.__init__(self, bus, "/")
3431
2325
_interface = "se.recompile.Mandos"
3433
2327
@dbus.service.signal(_interface, signature="o")
3434
2328
def ClientAdded(self, objpath):
3438
2332
@dbus.service.signal(_interface, signature="ss")
3439
def ClientNotFound(self, key_id, address):
2333
def ClientNotFound(self, fingerprint, address):
3443
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3445
2337
@dbus.service.signal(_interface, signature="os")
3446
2338
def ClientRemoved(self, objpath, name):
3450
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3452
2342
@dbus.service.method(_interface, out_signature="ao")
3453
2343
def GetAllClients(self):
3455
return dbus.Array(c.dbus_object_path for c in
3456
tcp_server.clients.values())
3458
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
2345
return dbus.Array(c.dbus_object_path
2347
tcp_server.clients.itervalues())
3460
2349
@dbus.service.method(_interface,
3461
2350
out_signature="a{oa{sv}}")
3462
2351
def GetAllClientsWithProperties(self):
3464
2353
return dbus.Dictionary(
3465
{c.dbus_object_path: c.GetAll(
3466
"se.recompile.Mandos.Client")
3467
for c in tcp_server.clients.values()},
2354
((c.dbus_object_path, c.GetAll(""))
2355
for c in tcp_server.clients.itervalues()),
3468
2356
signature="oa{sv}")
3470
2358
@dbus.service.method(_interface, in_signature="o")
3471
2359
def RemoveClient(self, object_path):
3473
for c in tcp_server.clients.values():
2361
for c in tcp_server.clients.itervalues():
3474
2362
if c.dbus_object_path == object_path:
3475
2363
del tcp_server.clients[c.name]
3476
2364
c.remove_from_connection()
3477
# Don't signal the disabling
2365
# Don't signal anything except ClientRemoved
3478
2366
c.disable(quiet=True)
3479
# Emit D-Bus signal for removal
3480
self.client_removed_signal(c)
2368
self.ClientRemoved(object_path, c.name)
3482
2370
raise KeyError(object_path)
3486
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
3487
out_signature="a{oa{sa{sv}}}")
3488
def GetManagedObjects(self):
3490
return dbus.Dictionary(
3491
{client.dbus_object_path:
3493
{interface: client.GetAll(interface)
3495
client._get_all_interface_names()})
3496
for client in tcp_server.clients.values()})
3498
def client_added_signal(self, client):
3499
"""Send the new standard signal and the old signal"""
3501
# New standard signal
3502
self.InterfacesAdded(
3503
client.dbus_object_path,
3505
{interface: client.GetAll(interface)
3507
client._get_all_interface_names()}))
3509
self.ClientAdded(client.dbus_object_path)
3511
def client_removed_signal(self, client):
3512
"""Send the new standard signal and the old signal"""
3514
# New standard signal
3515
self.InterfacesRemoved(
3516
client.dbus_object_path,
3517
client._get_all_interface_names())
3519
self.ClientRemoved(client.dbus_object_path,
3522
mandos_dbus_service = MandosDBusService()
3524
# Save modules to variables to exempt the modules from being
3525
# unloaded before the function registered with atexit() is run.
3526
mp = multiprocessing
2374
class MandosDBusServiceTransitional(MandosDBusService):
2375
__metaclass__ = AlternateDBusNamesMetaclass
2376
mandos_dbus_service = MandosDBusServiceTransitional()
3530
2379
"Cleanup function; run on exit"
3534
mp.active_children()
2382
multiprocessing.active_children()
3536
2383
if not (tcp_server.clients or client_settings):
3539
2386
# Store client before exiting. Secrets are encrypted with key
3540
2387
# based on what config file has. If config file is
3541
2388
# removed/edited, old secret will thus be unrecovable.
3543
2390
with PGPEngine() as pgp:
3544
for client in tcp_server.clients.values():
2391
for client in tcp_server.clients.itervalues():
3545
2392
key = client_settings[client.name]["secret"]
3546
2393
client.encrypted_secret = pgp.encrypt(client.secret,
3548
2395
client_dict = {}
3550
2397
# A list of attributes that can not be pickled
3552
exclude = {"bus", "changedstate", "secret",
3553
"checker", "server_settings"}
3554
for name, typ in inspect.getmembers(dbus.service
2399
exclude = set(("bus", "changedstate", "secret",
2401
for name, typ in (inspect.getmembers
2402
(dbus.service.Object)):
3556
2403
exclude.add(name)
3558
2405
client_dict["encrypted_secret"] = (client
3559
2406
.encrypted_secret)
3560
2407
for attr in client.client_structure:
3561
2408
if attr not in exclude:
3562
2409
client_dict[attr] = getattr(client, attr)
3564
2411
clients[client.name] = client_dict
3565
2412
del client_settings[client.name]["secret"]
3568
with tempfile.NamedTemporaryFile(
3572
dir=os.path.dirname(stored_state_path),
3573
delete=False) as stored_state:
3574
pickle.dump((clients, client_settings), stored_state,
3576
tempname = stored_state.name
2415
tempfd, tempname = tempfile.mkstemp(suffix=".pickle",
2418
(stored_state_path))
2419
with os.fdopen(tempfd, "wb") as stored_state:
2420
pickle.dump((clients, client_settings), stored_state)
3577
2421
os.rename(tempname, stored_state_path)
3578
2422
except (IOError, OSError) as e:
2423
logger.warning("Could not save persistent state: {0}"
3581
2427
os.remove(tempname)
3582
2428
except NameError:
3584
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
3585
log.warning("Could not save persistent state: %s",
3586
os.strerror(e.errno))
3588
log.warning("Could not save persistent state:",
2430
if e.errno not in set((errno.ENOENT, errno.EACCES,
3592
2434
# Delete all clients, and settings from config
3593
2435
while tcp_server.clients:
3594
2436
name, client = tcp_server.clients.popitem()
3596
2438
client.remove_from_connection()
3597
# Don't signal the disabling
2439
# Don't signal anything except ClientRemoved
3598
2440
client.disable(quiet=True)
3599
# Emit D-Bus signal for removal
3601
mandos_dbus_service.client_removed_signal(client)
2443
mandos_dbus_service.ClientRemoved(client
3602
2446
client_settings.clear()
3604
2448
atexit.register(cleanup)
3606
for client in tcp_server.clients.values():
2450
for client in tcp_server.clients.itervalues():
3608
# Emit D-Bus signal for adding
3609
mandos_dbus_service.client_added_signal(client)
2453
mandos_dbus_service.ClientAdded(client.dbus_object_path)
3610
2454
# Need to initiate checking of clients
3611
2455
if client.enabled:
3612
2456
client.init_checker()
3614
2458
tcp_server.enable()
3615
2459
tcp_server.server_activate()
3617
2461
# Find out what port we got
3619
service.port = tcp_server.socket.getsockname()[1]
2462
service.port = tcp_server.socket.getsockname()[1]
3621
log.info("Now listening on address %r, port %d, flowinfo %d,"
3622
" scope_id %d", *tcp_server.socket.getsockname())
2464
logger.info("Now listening on address %r, port %d,"
2465
" flowinfo %d, scope_id %d"
2466
% tcp_server.socket.getsockname())
3624
log.info("Now listening on address %r, port %d",
3625
*tcp_server.socket.getsockname())
3627
# service.interface = tcp_server.socket.getsockname()[3]
2468
logger.info("Now listening on address %r, port %d"
2469
% tcp_server.socket.getsockname())
2471
#service.interface = tcp_server.socket.getsockname()[3]
3631
# From the Avahi example code
3634
except dbus.exceptions.DBusException as error:
3635
log.critical("D-Bus Exception", exc_info=error)
3638
# End of Avahi example code
3641
GLib.IOChannel.unix_new(tcp_server.fileno()),
3642
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
3643
lambda *args, **kwargs: (tcp_server.handle_request
3644
(*args[2:], **kwargs) or True))
3646
log.debug("Starting main loop")
2474
# From the Avahi example code
2477
except dbus.exceptions.DBusException as error:
2478
logger.critical("DBusException: %s", error)
2481
# End of Avahi example code
2483
gobject.io_add_watch(tcp_server.fileno(), gobject.IO_IN,
2484
lambda *args, **kwargs:
2485
(tcp_server.handle_request
2486
(*args[2:], **kwargs) or True))
2488
logger.debug("Starting main loop")
3647
2489
main_loop.run()
3648
2490
except AvahiError as error:
3649
log.critical("Avahi Error", exc_info=error)
2491
logger.critical("AvahiError: %s", error)
3652
2494
except KeyboardInterrupt:
3654
2496
print("", file=sys.stderr)
3655
log.debug("Server received KeyboardInterrupt")
3656
log.debug("Server exiting")
2497
logger.debug("Server received KeyboardInterrupt")
2498
logger.debug("Server exiting")
3657
2499
# Must run before the D-Bus bus name gets deregistered
3661
def parse_test_args():
3662
# type: () -> argparse.Namespace
3663
parser = argparse.ArgumentParser(add_help=False)
3664
parser.add_argument("--check", action="store_true")
3665
parser.add_argument("--prefix", )
3666
args, unknown_args = parser.parse_known_args()
3668
# Remove test options from sys.argv
3669
sys.argv[1:] = unknown_args
3672
# Add all tests from doctest strings
3673
def load_tests(loader, tests, none):
3675
tests.addTests(doctest.DocTestSuite())
3678
if __name__ == "__main__":
3679
options = parse_test_args()
3682
extra_test_prefix = options.prefix
3683
if extra_test_prefix is not None:
3684
if not (unittest.main(argv=[""], exit=False)
3685
.result.wasSuccessful()):
3687
class ExtraTestLoader(unittest.TestLoader):
3688
testMethodPrefix = extra_test_prefix
3689
# Call using ./scriptname --test [--verbose]
3690
unittest.main(argv=[""], testLoader=ExtraTestLoader())
3692
unittest.main(argv=[""])
3700
# (lambda (&optional extra)
3701
# (if (not (funcall run-tests-in-test-buffer default-directory
3703
# (funcall show-test-buffer-in-test-window)
3704
# (funcall remove-test-window)
3705
# (if extra (message "Extra tests run successfully!"))))
3706
# run-tests-in-test-buffer:
3707
# (lambda (dir &optional extra)
3708
# (with-current-buffer (get-buffer-create "*Test*")
3709
# (setq buffer-read-only nil
3710
# default-directory dir)
3712
# (compilation-mode))
3713
# (let ((process-result
3714
# (let ((inhibit-read-only t))
3715
# (process-file-shell-command
3716
# (funcall get-command-line extra) nil "*Test*"))))
3717
# (and (numberp process-result)
3718
# (= process-result 0))))
3720
# (lambda (&optional extra)
3721
# (let ((quoted-script
3722
# (shell-quote-argument (funcall get-script-name))))
3724
# (concat "%s --check" (if extra " --prefix=atest" ""))
3728
# (if (fboundp 'file-local-name)
3729
# (file-local-name (buffer-file-name))
3730
# (or (file-remote-p (buffer-file-name) 'localname)
3731
# (buffer-file-name))))
3732
# remove-test-window:
3734
# (let ((test-window (get-buffer-window "*Test*")))
3735
# (if test-window (delete-window test-window))))
3736
# show-test-buffer-in-test-window:
3738
# (when (not (get-buffer-window-list "*Test*"))
3739
# (setq next-error-last-buffer (get-buffer "*Test*"))
3740
# (let* ((side (if (>= (window-width) 146) 'right 'bottom))
3741
# (display-buffer-overriding-action
3742
# `((display-buffer-in-side-window) (side . ,side)
3743
# (window-height . fit-window-to-buffer)
3744
# (window-width . fit-window-to-buffer))))
3745
# (display-buffer "*Test*"))))
3748
# (let* ((run-extra-tests (lambda () (interactive)
3749
# (funcall run-tests t)))
3750
# (inner-keymap `(keymap (116 . ,run-extra-tests))) ; t
3751
# (outer-keymap `(keymap (3 . ,inner-keymap)))) ; C-c
3752
# (setq minor-mode-overriding-map-alist
3753
# (cons `(run-tests . ,outer-keymap)
3754
# minor-mode-overriding-map-alist)))
3755
# (add-hook 'after-save-hook run-tests 90 t))
2502
if __name__ == '__main__':