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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-06-13 10:37
AFSDB.py	1.8 KB	-rw-r--r--	2016-09-20 16:24
AVC.py	950 B	-rw-r--r--	2016-09-20 19:53
CAA.py	2.56 KB	-rw-r--r--	2016-09-20 16:24
CDNSKEY.py	1 KB	-rw-r--r--	2016-09-20 16:24
CDS.py	875 B	-rw-r--r--	2016-09-20 16:24
CERT.py	3.86 KB	-rw-r--r--	2016-09-20 16:24
CNAME.py	1.06 KB	-rw-r--r--	2016-09-20 16:24
CSYNC.py	4.54 KB	-rw-r--r--	2016-09-20 16:24
DLV.py	864 B	-rw-r--r--	2016-09-20 16:24
DNAME.py	979 B	-rw-r--r--	2016-09-20 16:24
DNSKEY.py	1 KB	-rw-r--r--	2016-09-20 16:24
DS.py	873 B	-rw-r--r--	2016-09-20 16:24
EUI48.py	1.1 KB	-rw-r--r--	2016-09-20 16:24
EUI64.py	1.11 KB	-rw-r--r--	2016-09-20 16:24
GPOS.py	5.24 KB	-rw-r--r--	2016-09-20 16:24
HINFO.py	2.6 KB	-rw-r--r--	2016-09-20 16:24
HIP.py	4.05 KB	-rw-r--r--	2016-09-20 16:24
ISDN.py	3.19 KB	-rw-r--r--	2016-09-20 16:24
LOC.py	11.98 KB	-rw-r--r--	2016-09-20 16:24
MX.py	873 B	-rw-r--r--	2016-09-20 16:24
NS.py	873 B	-rw-r--r--	2016-09-20 16:24
NSEC.py	4.58 KB	-rw-r--r--	2016-09-20 16:24
NSEC3.py	6.91 KB	-rw-r--r--	2016-09-20 16:24
NSEC3PARAM.py	3.03 KB	-rw-r--r--	2016-09-20 16:24
PTR.py	875 B	-rw-r--r--	2016-09-20 16:24
RP.py	3 KB	-rw-r--r--	2016-09-20 16:24
RRSIG.py	5.53 KB	-rw-r--r--	2016-09-20 16:24
RT.py	891 B	-rw-r--r--	2016-09-20 16:24
SOA.py	4.41 KB	-rw-r--r--	2016-09-20 16:24
SPF.py	899 B	-rw-r--r--	2016-09-20 16:24
SSHFP.py	2.76 KB	-rw-r--r--	2016-09-20 16:24
TLSA.py	2.89 KB	-rw-r--r--	2016-09-20 16:24
TXT.py	878 B	-rw-r--r--	2016-09-20 16:24
URI.py	2.83 KB	-rw-r--r--	2016-09-20 16:24
X25.py	2.07 KB	-rw-r--r--	2016-09-20 16:24
__init__.py	1.19 KB	-rw-r--r--	2016-09-20 16:24

Rename

# Copyright (C) 2003-2007, 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 struct

import dns.exception
import dns.rdata
import dns.tokenizer

class CAA(dns.rdata.Rdata):

"""CAA (Certification Authority Authorization) record

@ivar flags: the flags
    @type flags: int
    @ivar tag: the tag
    @type tag: string
    @ivar value: the value
    @type value: string
    @see: RFC 6844"""

__slots__ = ['flags', 'tag', 'value']

def __init__(self, rdclass, rdtype, flags, tag, value):
        super(CAA, self).__init__(rdclass, rdtype)
        self.flags = flags
        self.tag = tag
        self.value = value

def to_text(self, origin=None, relativize=True, **kw):
        return '%u %s "%s"' % (self.flags,
                               dns.rdata._escapify(self.tag),
                               dns.rdata._escapify(self.value))

@classmethod
    def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
        flags = tok.get_uint8()
        tag = tok.get_string().encode()
        if len(tag) > 255:
            raise dns.exception.SyntaxError("tag too long")
        if not tag.isalnum():
            raise dns.exception.SyntaxError("tag is not alphanumeric")
        value = tok.get_string().encode()
        return cls(rdclass, rdtype, flags, tag, value)

def to_wire(self, file, compress=None, origin=None):
        file.write(struct.pack('!B', self.flags))
        l = len(self.tag)
        assert l < 256
        file.write(struct.pack('!B', l))
        file.write(self.tag)
        file.write(self.value)

@classmethod
    def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None):
        (flags, l) = struct.unpack('!BB', wire[current: current + 2])
        current += 2
        tag = wire[current: current + l]
        value = wire[current + l:current + rdlen - 2]
        return cls(rdclass, rdtype, flags, tag, value)