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Filename : DHCID.py

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# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

import base64

import dns.exception


class DHCID(dns.rdata.Rdata):

    """DHCID record

    @ivar data: the data (the content of the RR is opaque as far as the
    DNS is concerned)
    @type data: string
    @see: RFC 4701"""

    __slots__ = ['data']

    def __init__(self, rdclass, rdtype, data):
        super(DHCID, self).__init__(rdclass, rdtype)
        self.data = data

    def to_text(self, origin=None, relativize=True, **kw):
        return dns.rdata._base64ify(self.data)

    @classmethod
    def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
        chunks = []
        while 1:
            t = tok.get().unescape()
            if t.is_eol_or_eof():
                break
            if not t.is_identifier():
                raise dns.exception.SyntaxError
            chunks.append(t.value.encode())
        b64 = b''.join(chunks)
        data = base64.b64decode(b64)
        return cls(rdclass, rdtype, data)

    def to_wire(self, file, compress=None, origin=None):
        file.write(self.data)

    @classmethod
    def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None):
        data = wire[current: current + rdlen].unwrap()
        return cls(rdclass, rdtype, data)

Name	Size	Last Modified	Owner	Permissions
__pycache__	Dir	March 10 2025 3:40:24	root	0755
A.py	1.81 KB	September 20 2016 4:24:02	root	0644
AAAA.py	1.893 KB	September 20 2016 4:24:02	root	0644
APL.py	5.113 KB	September 20 2016 4:24:02	root	0644
DHCID.py	1.972 KB	September 20 2016 4:24:02	root	0644
IPSECKEY.py	5.548 KB	September 20 2016 4:24:02	root	0644
KX.py	0.86 KB	September 20 2016 4:24:02	root	0644
NAPTR.py	4.365 KB	September 20 2016 4:24:02	root	0644
NSAP.py	2.03 KB	September 20 2016 4:24:02	root	0644
NSAP_PTR.py	0.872 KB	September 20 2016 4:24:02	root	0644
PX.py	3.314 KB	September 20 2016 4:24:02	root	0644
SRV.py	2.982 KB	September 20 2016 4:24:02	root	0644
WKS.py	3.722 KB	September 20 2016 4:24:02	root	0644
__init__.py	0.942 KB	September 20 2016 4:24:02	root	0644

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