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server.py
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class AvahiService(object):
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    """
 
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    """An Avahi (Zeroconf) service.
 
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    Attributes:
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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 <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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    host = string; Host to publish records for, default to localhost
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                   if empty.
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    max_renames = integer; maximum number of renames
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    rename_count = integer; counter so we only rename after collisions
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                   a sensible number of times
 
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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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    host: string; Host to publish records for, default is localhost
 
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    max_renames: integer; maximum number of renames
 
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    rename_count: integer; counter so we only rename after collisions
 
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                  a sensible number of times
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    """
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    def __init__(self, interface = avahi.IF_UNSPEC, name = None,
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                 type = None, port = None, TXT = None, domain = "",
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                 host = "", max_renames = 12):
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        """An Avahi (Zeroconf) service. """
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        self.interface = interface
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        self.name = name
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        self.type = type
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                        _set_interval)
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    del _set_interval
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    def __init__(self, name = None, stop_hook=None, config={}):
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        """Note: the 'checker' argument sets the 'checker_command'
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        attribute and not the 'checker' attribute.."""
 
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        """Note: the 'checker' key in 'config' sets the
 
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        'checker_command' attribute and *not* the 'checker'
 
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        attribute."""
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        self.name = name
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        logger.debug(u"Creating client %r", self.name)
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        # Uppercase and remove spaces from fingerprint
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        # for later comparison purposes with return value of
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        # the fingerprint() function
 
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        # Uppercase and remove spaces from fingerprint for later
 
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        # comparison purposes with return value from the fingerprint()
 
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        # function
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        self.fingerprint = config["fingerprint"].upper()\
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                           .replace(u" ", u"")
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        logger.debug(u"  Fingerprint: %s", self.fingerprint)
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def fingerprint(openpgp):
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    "Convert an OpenPGP bytestring to a hexdigit fingerprint string"
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    # New empty GnuTLS certificate
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    crt = gnutls.library.types.gnutls_openpgp_crt_t()
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    gnutls.library.functions.gnutls_openpgp_crt_init\
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        (ctypes.byref(crt))
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    # New GnuTLS "datum" with the OpenPGP public key
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    datum = gnutls.library.types.gnutls_datum_t\
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        (ctypes.cast(ctypes.c_char_p(openpgp),
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                     ctypes.POINTER(ctypes.c_ubyte)),
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         ctypes.c_uint(len(openpgp)))
 
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    # New empty GnuTLS certificate
 
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    crt = gnutls.library.types.gnutls_openpgp_crt_t()
 
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    gnutls.library.functions.gnutls_openpgp_crt_init\
 
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        (ctypes.byref(crt))
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    # Import the OpenPGP public key into the certificate
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    ret = gnutls.library.functions.gnutls_openpgp_crt_import\
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        (crt,
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         ctypes.byref(datum),
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         gnutls.library.constants.GNUTLS_OPENPGP_FMT_RAW)
 
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    gnutls.library.functions.gnutls_openpgp_crt_import\
 
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                    (crt, ctypes.byref(datum),
 
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                     gnutls.library.constants.GNUTLS_OPENPGP_FMT_RAW)
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    # New buffer for the fingerprint
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    buffer = ctypes.create_string_buffer(20)
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    buffer_length = ctypes.c_size_t()