/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2008-07-29 03:35:39 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080729033539-08zecoj3jwlkpjhw
* server.conf: New file.

* mandos-clients.conf: Renamed to clients.conf.

* Makefile (FORTIFY): New.
  (CFLAGS): Include $(FORTIFY).

* plugins.d/mandosclient.c (main): New "if_index" variable.  Bug fix:
                                   check if interface exists.  New
                                   "--connect" option.

* server.py (serviceInterface): Removed; replaced by
                                "AvahiService.interface".  All users
                                changed.
  (AvahiError, AvahiServiceError, AvahiGroupError): New exception
                                                    classes.
  (AvahiService): New class.
  (serviceName): Removed; replaced by "AvahiService.name".  All users
                 changed.
  (serviceType): Removed; replaced by "AvahiService.type".  All users
                 changed.
  (servicePort): Removed; replaced by "AvahiService.port".  All users
                 changed.
  (serviceTXT): Removed; replaced by "AvahiService.TXT".  All users
                changed.
  (domain): Removed; replaced by "AvahiService.domain".  All users
            changed.
  (host): Removed; replaced by "AvahiService.host".  All users
          changed.
  (rename_count): Removed; replaced by "AvahiService.rename_count" and
                 "AvahiService.max_renames".  All users changed.
  (Client.__init__): If no secret or secfile, raise TypeError instead
                     of RuntimeError.
  (Client.last_seen): Renamed to "Client.last_checked_ok".  All users
                      changed.
  (Client.stop, Client.stop_checker): Use "getattr" with default value
                                      instead of "hasattr".
  (Client.still_valid): Removed "now" argument.
  (Client.handle): Separate the "no client found" and "client invalid"
                   cases for clearer code.
  (IPv6_TCPServer.__init__): "options" argument replaced by
                             "settings".  All callers changed.
  (IPv6_TCPServer.options): Replaced by "IPv6_TCPServer.settings".
                            All users changed.
  (IPv6_TCPServer.server_bind): Use getattr instead of hasattr.
  (add_service): Removed; replaced by "AvahiService.add".  All callers
                 changed.
  (remove_service): Removed; replaced by "AvahiService.remove".  All
                    callers changed.
  (entry_group_state_changed): On entry group collision, call the new
                               AvahiService.rename method.  Raise
                               AvahiGroupError on group error.
  (if_nametoindex): Use ctypes.utils.find_library to locate the C
                    library.  Cache the result.  Loop on EINTR.
  (daemon): Use os.path.devnull to locate "/dev/null".
  (killme): Removed.  All callers changed to do "sys.exit()" instead,
            except where stated otherwise.
  (main): Removed "exitstatus".  Removed all default values from all
          non-bool options.  New option "--configdir".  New variables
          "server_defaults" and "server_settings", read from
          "%(configdir)s/server.conf".  Let any supplied command line
          options override server settings.   Variable "defaults"
          renamed to "client_defaults", which is read from
          "clients.conf" instead of "mandos-clients.conf".  New global
          AvahiService object "service" replaces old global variables.
          Catch AvahiError and exit with error if caught.

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added added

removed removed

Lines of Context:
server.py
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    def handle(self):
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        logger.debug(u"TCP connection from: %s",
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                     unicode(self.client_address))
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        line = self.request.makefile().readline()
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        logger.debug(u"Protocol version: %r", line)
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        try:
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            if int(line.strip().split()[0]) > 1:
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                raise RuntimeError
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        except (ValueError, IndexError, RuntimeError), error:
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            logger.error(u"Unknown protocol version: %s", error)
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            return
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        session = gnutls.connection.ClientSession\
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                  (self.request, gnutls.connection.X509Credentials())
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        # Note: gnutls.connection.X509Credentials is really a generic
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        """This overrides the normal server_bind() function
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        to bind to an interface if one was specified, and also NOT to
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        bind to an address or port if they were not specified."""
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        if self.settings["interface"]:
 
512
        if self.settings["interface"] != avahi.IF_UNSPEC:
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            # 25 is from /usr/include/asm-i486/socket.h
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            SO_BINDTODEVICE = getattr(socket, "SO_BINDTODEVICE", 25)
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            try:
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                        unicode(error))
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        raise AvahiGroupError("State changed: %s", str(error))
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605
 
def if_nametoindex(interface):
 
595
def if_nametoindex(interface, _func=[None]):
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    """Call the C function if_nametoindex(), or equivalent"""
607
 
    global if_nametoindex
 
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    if _func[0] is not None:
 
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        return _func[0](interface)
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    try:
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        if "ctypes.util" not in sys.modules:
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            import ctypes.util
611
 
        if_nametoindex = ctypes.cdll.LoadLibrary\
612
 
            (ctypes.util.find_library("c")).if_nametoindex
 
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        while True:
 
603
            try:
 
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                libc = ctypes.cdll.LoadLibrary\
 
605
                       (ctypes.util.find_library("c"))
 
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                func[0] = libc.if_nametoindex
 
607
                return _func[0](interface)
 
608
            except IOError, e:
 
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                if e != errno.EINTR:
 
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                    raise
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    except (OSError, AttributeError):
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        if "struct" not in sys.modules:
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            import struct
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        if "fcntl" not in sys.modules:
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            import fcntl
618
 
        def if_nametoindex(interface):
 
616
        def the_hard_way(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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            s = socket.socket()
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            s.close()
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            interface_index = struct.unpack("I", ifreq[16:20])[0]
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            return interface_index
627
 
    return if_nametoindex(interface)
 
625
        _func[0] = the_hard_way
 
626
        return _func[0](interface)
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629
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def daemon(nochdir, noclose):
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    server_settings["debug"] = server_config.getboolean\
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                               (server_section, "debug")
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    del server_config
 
702
    if not server_settings["interface"]:
 
703
        server_settings["interface"] = avahi.IF_UNSPEC
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    # Override the settings from the config file with command line
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    # options, if set.
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    global service
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    service = AvahiService(name = server_settings["servicename"],
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                           type = "_mandos._tcp", );
726
 
    if server_settings["interface"]:
727
 
        service.interface = if_nametoindex(server_settings["interface"])
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    global main_loop
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    global bus
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                                clients=clients)
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    # Find out what port we got
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    service.port = tcp_server.socket.getsockname()[1]
798
 
    logger.debug(u"Now listening on address %r, port %d, flowinfo %d,"
799
 
                 u" scope_id %d" % tcp_server.socket.getsockname())
 
797
    logger.debug(u"Now listening on port %d", service.port)
800
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801
 
    #service.interface = tcp_server.socket.getsockname()[3]
 
799
    if not server_settings["interface"]:
 
800
        service.interface = if_nametoindex\
 
801
                            (server_settings["interface"])
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    try:
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        # From the Avahi example code