/mandos/release

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  • Committer: Teddy Hogeborn
  • Date: 2008-08-25 01:16:38 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080825011638-zgqej2cafhne05ay
* mandos-keygen: Strip 24-bit checksum of Radix-64 from output to make
                 output strictly base64.

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Lines of Context:
mandos
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# and some lines in "main".
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# 
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# Everything else is
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# Copyright © 2008 Teddy Hogeborn & Björn Påhlsson
 
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# Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
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# 
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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#     GNU General Public License for more details.
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# 
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see
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# <http://www.gnu.org/licenses/>.
 
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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# 
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# Contact the authors at <mandos@fukt.bsnet.se>.
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# 
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import stat
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import logging
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import logging.handlers
58
 
import pwd
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60
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import dbus
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import gobject
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    def rename(self):
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        """Derived from the Avahi example code"""
127
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        if self.rename_count >= self.max_renames:
128
 
            logger.critical(u"No suitable Zeroconf service name found"
129
 
                            u" after %i retries, exiting.",
130
 
                            rename_count)
 
126
            logger.critical(u"No suitable service name found after %i"
 
127
                            u" retries, exiting.", rename_count)
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            raise AvahiServiceError("Too many renames")
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        self.name = server.GetAlternativeServiceName(self.name)
133
 
        logger.info(u"Changing Zeroconf service name to %r ...",
134
 
                    str(self.name))
 
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        logger.info(u"Changing name to %r ...", str(self.name))
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        syslogger.setFormatter(logging.Formatter\
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                               ('Mandos (%s): %%(levelname)s:'
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                               ' %%(message)s' % self.name))
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                     avahi.DBUS_INTERFACE_ENTRY_GROUP)
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            group.connect_to_signal('StateChanged',
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                                    entry_group_state_changed)
155
 
        logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
 
151
        logger.debug(u"Adding service '%s' of type '%s' ...",
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                     service.name, service.type)
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        group.AddService(
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                self.interface,         # interface
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    # Verify the self signature in the key
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    crtverify = ctypes.c_uint();
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    gnutls.library.functions.gnutls_openpgp_crt_verify_self\
420
 
        (crt, 0, ctypes.byref(crtverify))
 
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        (crt, ctypes.c_uint(0), ctypes.byref(crtverify))
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    if crtverify.value != 0:
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        gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
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        raise gnutls.errors.CertificateSecurityError("Verify failed")
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    Attributes:
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        settings:       Server settings
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        clients:        Set() of Client objects
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        enabled:        Boolean; whether this server is activated yet
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    """
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    address_family = socket.AF_INET6
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    def __init__(self, *args, **kwargs):
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        if "clients" in kwargs:
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            self.clients = kwargs["clients"]
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            del kwargs["clients"]
531
 
        self.enabled = False
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        return super(type(self), self).__init__(*args, **kwargs)
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    def server_bind(self):
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        """This overrides the normal server_bind() function
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#                                            (self.settings
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#                                             ["interface"]))
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            return super(type(self), self).server_bind()
568
 
    def server_activate(self):
569
 
        if self.enabled:
570
 
            return super(type(self), self).server_activate()
571
 
    def enable(self):
572
 
        self.enabled = True
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def string_to_delta(interval):
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def server_state_changed(state):
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    """Derived from the Avahi example code"""
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    if state == avahi.SERVER_COLLISION:
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        logger.error(u"Zeroconf server name collision")
 
606
        logger.error(u"Server name collision")
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        service.remove()
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    elif state == avahi.SERVER_RUNNING:
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        service.add()
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def entry_group_state_changed(state, error):
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    """Derived from the Avahi example code"""
625
 
    logger.debug(u"Avahi state change: %i", state)
 
614
    logger.debug(u"state change: %i", state)
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    if state == avahi.ENTRY_GROUP_ESTABLISHED:
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        logger.debug(u"Zeroconf service established.")
 
617
        logger.debug(u"Service established.")
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    elif state == avahi.ENTRY_GROUP_COLLISION:
630
 
        logger.warning(u"Zeroconf service name collision.")
 
619
        logger.warning(u"Service name collision.")
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        service.rename()
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    elif state == avahi.ENTRY_GROUP_FAILURE:
633
 
        logger.critical(u"Avahi: Error in group state changed %s",
 
622
        logger.critical(u"Error in group state changed %s",
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                        unicode(error))
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        raise AvahiGroupError("State changed: %s", str(error))
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    client_config.read(os.path.join(server_settings["configdir"],
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                                    "clients.conf"))
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    clients = Set()
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    tcp_server = IPv6_TCPServer((server_settings["address"],
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                                 server_settings["port"]),
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                                tcp_handler,
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                                settings=server_settings,
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                                clients=clients)
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    pidfilename = "/var/run/mandos.pid"
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    try:
777
 
        pidfile = open(pidfilename, "w")
778
 
    except IOError, error:
779
 
        logger.error("Could not open file %r", pidfilename)
780
 
    
781
 
    uid = 65534
782
 
    gid = 65534
783
 
    try:
784
 
        uid = pwd.getpwnam("mandos").pw_uid
785
 
    except KeyError:
786
 
        try:
787
 
            uid = pwd.getpwnam("nobody").pw_uid
788
 
        except KeyError:
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            pass
790
 
    try:
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        gid = pwd.getpwnam("mandos").pw_gid
792
 
    except KeyError:
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        try:
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            gid = pwd.getpwnam("nogroup").pw_gid
795
 
        except KeyError:
796
 
            pass
797
 
    try:
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        os.setuid(uid)
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        os.setgid(gid)
800
 
    except OSError, error:
801
 
        if error[0] != errno.EPERM:
802
 
            raise error
803
 
    
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    global service
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    service = AvahiService(name = server_settings["servicename"],
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                           type = "_mandos._tcp", );
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    if server_settings["interface"]:
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        service.interface = if_nametoindex\
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                            (server_settings["interface"])
 
762
        service.interface = if_nametoindex(server_settings["interface"])
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    global main_loop
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    global bus
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    DBusGMainLoop(set_as_default=True )
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    main_loop = gobject.MainLoop()
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    bus = dbus.SystemBus()
818
 
    server = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
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                                           avahi.DBUS_PATH_SERVER),
820
 
                            avahi.DBUS_INTERFACE_SERVER)
 
771
    server = dbus.Interface(
 
772
            bus.get_object( avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER ),
 
773
            avahi.DBUS_INTERFACE_SERVER )
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    # End of Avahi example code
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776
    clients = Set()
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    def remove_from_clients(client):
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        clients.remove(client)
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        if not clients:
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        # Close all input and output, do double fork, etc.
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        daemon()
849
803
    
 
804
    pidfilename = "/var/run/mandos/mandos.pid"
 
805
    pid = os.getpid()
850
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    try:
851
 
        pid = os.getpid()
 
807
        pidfile = open(pidfilename, "w")
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        pidfile.write(str(pid) + "\n")
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        pidfile.close()
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810
        del pidfile
855
811
    except IOError, err:
856
 
        logger.error(u"Could not write to file %r with PID %d",
857
 
                     pidfilename, pid)
858
 
    except NameError:
859
 
        # "pidfile" was never created
860
 
        pass
861
 
    del pidfilename
 
812
        logger.error(u"Could not write %s file with PID %d",
 
813
                     pidfilename, os.getpid())
862
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863
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    def cleanup():
864
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        "Cleanup function; run on exit"
884
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    for client in clients:
885
837
        client.start()
886
838
    
887
 
    tcp_server.enable()
888
 
    tcp_server.server_activate()
889
 
    
 
839
    tcp_server = IPv6_TCPServer((server_settings["address"],
 
840
                                 server_settings["port"]),
 
841
                                tcp_handler,
 
842
                                settings=server_settings,
 
843
                                clients=clients)
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    # Find out what port we got
891
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    service.port = tcp_server.socket.getsockname()[1]
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    logger.info(u"Now listening on address %r, port %d, flowinfo %d,"