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Name	Size	Permission
AFSDB.py	1.8 KB	-rw-r--r--
AFSDB.pyc	1.39 KB	-rw-r--r--
AFSDB.pyo	1.39 KB	-rw-r--r--
CAA.py	2.59 KB	-rw-r--r--
CAA.pyc	2.63 KB	-rw-r--r--
CAA.pyo	2.58 KB	-rw-r--r--
CERT.py	3.93 KB	-rw-r--r--
CERT.pyc	3.85 KB	-rw-r--r--
CERT.pyo	3.85 KB	-rw-r--r--
CNAME.py	1.06 KB	-rw-r--r--
CNAME.pyc	675 B	-rw-r--r--
CNAME.pyo	675 B	-rw-r--r--
DLV.py	862 B	-rw-r--r--
DLV.pyc	462 B	-rw-r--r--
DLV.pyo	462 B	-rw-r--r--
DNAME.py	978 B	-rw-r--r--
DNAME.pyc	698 B	-rw-r--r--
DNAME.pyo	698 B	-rw-r--r--
DNSKEY.py	4.18 KB	-rw-r--r--
DNSKEY.pyc	4.29 KB	-rw-r--r--
DNSKEY.pyo	4.29 KB	-rw-r--r--
DS.py	871 B	-rw-r--r--
DS.pyc	458 B	-rw-r--r--
DS.pyo	458 B	-rw-r--r--
GPOS.py	4.94 KB	-rw-r--r--
GPOS.pyc	4.95 KB	-rw-r--r--
GPOS.pyo	4.87 KB	-rw-r--r--
HINFO.py	2.45 KB	-rw-r--r--
HINFO.pyc	2.47 KB	-rw-r--r--
HINFO.pyo	2.41 KB	-rw-r--r--
HIP.py	4.06 KB	-rw-r--r--
HIP.pyc	3.83 KB	-rw-r--r--
HIP.pyo	3.83 KB	-rw-r--r--
ISDN.py	3.01 KB	-rw-r--r--
ISDN.pyc	2.75 KB	-rw-r--r--
ISDN.pyo	2.68 KB	-rw-r--r--
LOC.py	12.4 KB	-rw-r--r--
LOC.pyc	10.18 KB	-rw-r--r--
LOC.pyo	10.18 KB	-rw-r--r--
MX.py	871 B	-rw-r--r--
MX.pyc	458 B	-rw-r--r--
MX.pyo	458 B	-rw-r--r--
NS.py	871 B	-rw-r--r--
NS.pyc	458 B	-rw-r--r--
NS.pyo	458 B	-rw-r--r--
NSEC.py	4.64 KB	-rw-r--r--
NSEC.pyc	4.11 KB	-rw-r--r--
NSEC.pyo	4.11 KB	-rw-r--r--
NSEC3.py	6.46 KB	-rw-r--r--
NSEC3.pyc	5.32 KB	-rw-r--r--
NSEC3.pyo	5.32 KB	-rw-r--r--
NSEC3PARAM.py	2.92 KB	-rw-r--r--
NSEC3PARAM.pyc	2.82 KB	-rw-r--r--
NSEC3PARAM.pyo	2.82 KB	-rw-r--r--
PTR.py	873 B	-rw-r--r--
PTR.pyc	462 B	-rw-r--r--
PTR.pyo	462 B	-rw-r--r--
RP.py	3.06 KB	-rw-r--r--
RP.pyc	2.93 KB	-rw-r--r--
RP.pyo	2.93 KB	-rw-r--r--
RRSIG.py	5.57 KB	-rw-r--r--
RRSIG.pyc	5.5 KB	-rw-r--r--
RRSIG.pyo	5.5 KB	-rw-r--r--
RT.py	889 B	-rw-r--r--
RT.pyc	476 B	-rw-r--r--
RT.pyo	476 B	-rw-r--r--
SOA.py	4.48 KB	-rw-r--r--
SOA.pyc	4.03 KB	-rw-r--r--
SOA.pyo	4.03 KB	-rw-r--r--
SPF.py	897 B	-rw-r--r--
SPF.pyc	485 B	-rw-r--r--
SPF.pyo	485 B	-rw-r--r--
SSHFP.py	2.79 KB	-rw-r--r--
SSHFP.pyc	2.67 KB	-rw-r--r--
SSHFP.pyo	2.67 KB	-rw-r--r--
TLSA.py	2.91 KB	-rw-r--r--
TLSA.pyc	2.81 KB	-rw-r--r--
TLSA.pyo	2.81 KB	-rw-r--r--
TXT.py	876 B	-rw-r--r--
TXT.pyc	465 B	-rw-r--r--
TXT.pyo	465 B	-rw-r--r--
URI.py	2.71 KB	-rw-r--r--
URI.pyc	2.72 KB	-rw-r--r--
URI.pyo	2.72 KB	-rw-r--r--
X25.py	1.98 KB	-rw-r--r--
X25.pyc	2.12 KB	-rw-r--r--
X25.pyo	2.08 KB	-rw-r--r--
__init__.py	1.14 KB	-rw-r--r--
__init__.pyc	602 B	-rw-r--r--
__init__.pyo	602 B	-rw-r--r--

Code Editor : CERT.py

# 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 cStringIO
import struct

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

_ctype_by_value = {
    1 : 'PKIX',
    2 : 'SPKI',
    3 : 'PGP',
    253 : 'URI',
    254 : 'OID',
    }

_ctype_by_name = {
    'PKIX' : 1,
    'SPKI' : 2,
    'PGP' : 3,
    'URI' : 253,
    'OID' : 254,
    }

def _ctype_from_text(what):
    v = _ctype_by_name.get(what)
    if not v is None:
        return v
    return int(what)

def _ctype_to_text(what):
    v = _ctype_by_value.get(what)
    if not v is None:
        return v
    return str(what)

class CERT(dns.rdata.Rdata):
    """CERT record

@ivar certificate_type: certificate type
    @type certificate_type: int
    @ivar key_tag: key tag
    @type key_tag: int
    @ivar algorithm: algorithm
    @type algorithm: int
    @ivar certificate: the certificate or CRL
    @type certificate: string
    @see: RFC 2538"""

__slots__ = ['certificate_type', 'key_tag', 'algorithm', 'certificate']

def __init__(self, rdclass, rdtype, certificate_type, key_tag, algorithm,
                 certificate):
        super(CERT, self).__init__(rdclass, rdtype)
        self.certificate_type = certificate_type
        self.key_tag = key_tag
        self.algorithm = algorithm
        self.certificate = certificate

def to_text(self, origin=None, relativize=True, **kw):
        certificate_type = _ctype_to_text(self.certificate_type)
        return "%s %d %s %s" % (certificate_type, self.key_tag,
                                dns.dnssec.algorithm_to_text(self.algorithm),
                                dns.rdata._base64ify(self.certificate))

def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
        certificate_type = _ctype_from_text(tok.get_string())
        key_tag = tok.get_uint16()
        algorithm = dns.dnssec.algorithm_from_text(tok.get_string())
        if algorithm < 0 or algorithm > 255:
            raise dns.exception.SyntaxError("bad algorithm type")
        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)
        b64 = ''.join(chunks)
        certificate = b64.decode('base64_codec')
        return cls(rdclass, rdtype, certificate_type, key_tag,
                   algorithm, certificate)

from_text = classmethod(from_text)

def to_wire(self, file, compress = None, origin = None):
        prefix = struct.pack("!HHB", self.certificate_type, self.key_tag,
                             self.algorithm)
        file.write(prefix)
        file.write(self.certificate)

def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
        prefix = wire[current : current + 5].unwrap()
        current += 5
        rdlen -= 5
        if rdlen < 0:
            raise dns.exception.FormError
        (certificate_type, key_tag, algorithm) = struct.unpack("!HHB", prefix)
        certificate = wire[current : current + rdlen].unwrap()
        return cls(rdclass, rdtype, certificate_type, key_tag, algorithm,
                   certificate)

from_wire = classmethod(from_wire)

${this.title}

Code Editor : CERT.py