Gecko [ v99win.today ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
rdtypes	[ DIR ]	drwxr-xr-x
__init__.py	1.56 KB	-rw-r--r--
_asyncbackend.py	1.53 KB	-rw-r--r--
_asyncio_backend.py	4.34 KB	-rw-r--r--
_curio_backend.py	3.33 KB	-rw-r--r--
_immutable_attr.py	2.92 KB	-rw-r--r--
_immutable_ctx.py	2.4 KB	-rw-r--r--
_trio_backend.py	3.68 KB	-rw-r--r--
asyncbackend.py	3 KB	-rw-r--r--
asyncquery.py	17.4 KB	-rw-r--r--
asyncresolver.py	8.71 KB	-rw-r--r--
dnssec.py	19.19 KB	-rw-r--r--
e164.py	3.6 KB	-rw-r--r--
edns.py	10.72 KB	-rw-r--r--
entropy.py	4.07 KB	-rw-r--r--
enum.py	2.75 KB	-rw-r--r--
exception.py	5.13 KB	-rw-r--r--
flags.py	2.58 KB	-rw-r--r--
grange.py	2.04 KB	-rw-r--r--
immutable.py	1.97 KB	-rw-r--r--
inet.py	4.74 KB	-rw-r--r--
ipv4.py	1.93 KB	-rw-r--r--
ipv6.py	5.92 KB	-rw-r--r--
message.py	52.73 KB	-rw-r--r--
name.py	31.54 KB	-rw-r--r--
namedict.py	3.83 KB	-rw-r--r--
node.py	6.42 KB	-rw-r--r--
opcode.py	2.58 KB	-rw-r--r--
py.typed	0 B	-rw-r--r--
query.py	40.46 KB	-rw-r--r--
rcode.py	3.9 KB	-rw-r--r--
rdata.py	24.32 KB	-rw-r--r--
rdataclass.py	2.81 KB	-rw-r--r--
rdataset.py	14.54 KB	-rw-r--r--
rdatatype.py	6.64 KB	-rw-r--r--
renderer.py	8.59 KB	-rw-r--r--
resolver.py	59.29 KB	-rw-r--r--
reversename.py	3.65 KB	-rw-r--r--
rrset.py	7.44 KB	-rw-r--r--
serial.py	3.53 KB	-rw-r--r--
set.py	7.64 KB	-rw-r--r--
tokenizer.py	21.86 KB	-rw-r--r--
transaction.py	16.93 KB	-rw-r--r--
tsig.py	10.93 KB	-rw-r--r--
tsigkeyring.py	2.43 KB	-rw-r--r--
ttl.py	2.58 KB	-rw-r--r--
update.py	10.55 KB	-rw-r--r--
version.py	1.55 KB	-rw-r--r--
versioned.py	15.91 KB	-rw-r--r--
wire.py	2.48 KB	-rw-r--r--
xfr.py	11.61 KB	-rw-r--r--
zone.py	34.25 KB	-rw-r--r--
zonefile.py	15.25 KB	-rw-r--r--

Code Editor : rcode.py

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license

# Copyright (C) 2001-2017 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.

"""DNS Result Codes."""

import dns.enum
import dns.exception

class Rcode(dns.enum.IntEnum):
    #: No error
    NOERROR = 0
    #: Format error
    FORMERR = 1
    #: Server failure
    SERVFAIL = 2
    #: Name does not exist ("Name Error" in RFC 1025 terminology).
    NXDOMAIN = 3
    #: Not implemented
    NOTIMP = 4
    #: Refused
    REFUSED = 5
    #: Name exists.
    YXDOMAIN = 6
    #: RRset exists.
    YXRRSET = 7
    #: RRset does not exist.
    NXRRSET = 8
    #: Not authoritative.
    NOTAUTH = 9
    #: Name not in zone.
    NOTZONE = 10
    #: DSO-TYPE Not Implemented
    DSOTYPENI = 11
    #: Bad EDNS version.
    BADVERS = 16
    #: TSIG Signature Failure
    BADSIG = 16
    #: Key not recognized.
    BADKEY = 17
    #: Signature out of time window.
    BADTIME = 18
    #: Bad TKEY Mode.
    BADMODE = 19
    #: Duplicate key name.
    BADNAME = 20
    #: Algorithm not supported.
    BADALG = 21
    #: Bad Truncation
    BADTRUNC = 22
    #: Bad/missing Server Cookie
    BADCOOKIE = 23

@classmethod
    def _maximum(cls):
        return 4095

@classmethod
    def _unknown_exception_class(cls):
        return UnknownRcode

class UnknownRcode(dns.exception.DNSException):
    """A DNS rcode is unknown."""

def from_text(text):
    """Convert text into an rcode.

*text*, a ``str``, the textual rcode or an integer in textual form.

Raises ``dns.rcode.UnknownRcode`` if the rcode mnemonic is unknown.

Returns an ``int``.
    """

return Rcode.from_text(text)

def from_flags(flags, ednsflags):
    """Return the rcode value encoded by flags and ednsflags.

*flags*, an ``int``, the DNS flags field.

*ednsflags*, an ``int``, the EDNS flags field.

Raises ``ValueError`` if rcode is < 0 or > 4095

Returns an ``int``.
    """

value = (flags & 0x000f) | ((ednsflags >> 20) & 0xff0)
    return value

def to_flags(value):
    """Return a (flags, ednsflags) tuple which encodes the rcode.

*value*, an ``int``, the rcode.

Raises ``ValueError`` if rcode is < 0 or > 4095.

Returns an ``(int, int)`` tuple.
    """

if value < 0 or value > 4095:
        raise ValueError('rcode must be >= 0 and <= 4095')
    v = value & 0xf
    ev = (value & 0xff0) << 20
    return (v, ev)

def to_text(value, tsig=False):
    """Convert rcode into text.

*value*, an ``int``, the rcode.

Raises ``ValueError`` if rcode is < 0 or > 4095.

Returns a ``str``.
    """

if tsig and value == Rcode.BADVERS:
        return 'BADSIG'
    return Rcode.to_text(value)

### BEGIN generated Rcode constants

NOERROR = Rcode.NOERROR
FORMERR = Rcode.FORMERR
SERVFAIL = Rcode.SERVFAIL
NXDOMAIN = Rcode.NXDOMAIN
NOTIMP = Rcode.NOTIMP
REFUSED = Rcode.REFUSED
YXDOMAIN = Rcode.YXDOMAIN
YXRRSET = Rcode.YXRRSET
NXRRSET = Rcode.NXRRSET
NOTAUTH = Rcode.NOTAUTH
NOTZONE = Rcode.NOTZONE
DSOTYPENI = Rcode.DSOTYPENI
BADVERS = Rcode.BADVERS
BADSIG = Rcode.BADSIG
BADKEY = Rcode.BADKEY
BADTIME = Rcode.BADTIME
BADMODE = Rcode.BADMODE
BADNAME = Rcode.BADNAME
BADALG = Rcode.BADALG
BADTRUNC = Rcode.BADTRUNC
BADCOOKIE = Rcode.BADCOOKIE

### END generated Rcode constants

${this.title}

Code Editor : rcode.py