Gecko [ goons4good.org ]

Name	Size	Permission	Date
rdtypes	[ DIR ]	drwxr-xr-x	2022-07-26 09:09
__init__.py	1.3 KB	-rw-r--r--	2015-06-13 08:26
__init__.pyc	763 B	-rw-r--r--	2017-08-03 16:39
__init__.pyo	763 B	-rw-r--r--	2017-08-03 16:39
dnssec.py	14.35 KB	-rw-r--r--	2015-06-13 08:26
dnssec.pyc	13.41 KB	-rw-r--r--	2017-08-03 16:39
dnssec.pyo	13.32 KB	-rw-r--r--	2017-08-03 16:39
e164.py	3.01 KB	-rw-r--r--	2015-06-13 08:26
e164.pyc	2.75 KB	-rw-r--r--	2017-08-03 16:39
e164.pyo	2.75 KB	-rw-r--r--	2017-08-03 16:39
edns.py	4.22 KB	-rw-r--r--	2015-06-13 08:26
edns.pyc	5.16 KB	-rw-r--r--	2017-08-03 16:39
edns.pyo	5.16 KB	-rw-r--r--	2017-08-03 16:39
entropy.py	3.79 KB	-rw-r--r--	2015-06-13 08:26
entropy.pyc	3.68 KB	-rw-r--r--	2017-08-03 16:39
entropy.pyo	3.68 KB	-rw-r--r--	2017-08-03 16:39
exception.py	4.35 KB	-rw-r--r--	2015-06-13 08:26
exception.pyc	4.45 KB	-rw-r--r--	2017-08-03 16:39
exception.pyo	4.2 KB	-rw-r--r--	2017-08-03 16:39
flags.py	2.62 KB	-rw-r--r--	2015-06-13 08:26
flags.pyc	2.57 KB	-rw-r--r--	2017-08-03 16:39
flags.pyo	2.57 KB	-rw-r--r--	2017-08-03 16:39
grange.py	1.83 KB	-rw-r--r--	2015-06-13 08:26
grange.pyc	1.15 KB	-rw-r--r--	2017-08-03 16:39
grange.pyo	1.07 KB	-rw-r--r--	2017-08-03 16:39
hash.py	2.34 KB	-rw-r--r--	2015-06-13 08:26
hash.pyc	2.09 KB	-rw-r--r--	2017-08-03 16:39
hash.pyo	2.09 KB	-rw-r--r--	2017-08-03 16:39
inet.py	3.16 KB	-rw-r--r--	2015-06-13 08:26
inet.pyc	2.6 KB	-rw-r--r--	2017-08-03 16:39
inet.pyo	2.6 KB	-rw-r--r--	2017-08-03 16:39
ipv4.py	1.81 KB	-rw-r--r--	2015-06-13 08:26
ipv4.pyc	1.36 KB	-rw-r--r--	2017-08-03 16:39
ipv4.pyo	1.36 KB	-rw-r--r--	2017-08-03 16:39
ipv6.py	4.97 KB	-rw-r--r--	2015-06-13 08:26
ipv6.pyc	3.43 KB	-rw-r--r--	2017-08-03 16:39
ipv6.pyo	3.43 KB	-rw-r--r--	2017-08-03 16:39
message.py	41.52 KB	-rw-r--r--	2015-06-13 08:26
message.pyc	36.24 KB	-rw-r--r--	2017-08-03 16:39
message.pyo	36.24 KB	-rw-r--r--	2017-08-03 16:39
name.py	22.16 KB	-rw-r--r--	2015-06-13 08:26
name.pyc	23.3 KB	-rw-r--r--	2017-08-03 16:39
name.pyo	23.3 KB	-rw-r--r--	2017-08-03 16:39
namedict.py	2.06 KB	-rw-r--r--	2015-06-13 08:26
namedict.pyc	1.91 KB	-rw-r--r--	2017-08-03 16:39
namedict.pyo	1.91 KB	-rw-r--r--	2017-08-03 16:39
node.py	5.89 KB	-rw-r--r--	2015-06-13 08:26
node.pyc	6.13 KB	-rw-r--r--	2017-08-03 16:39
node.pyo	6.13 KB	-rw-r--r--	2017-08-03 16:39
opcode.py	2.54 KB	-rw-r--r--	2015-06-13 08:26
opcode.pyc	2.47 KB	-rw-r--r--	2017-08-03 16:39
opcode.pyo	2.47 KB	-rw-r--r--	2017-08-03 16:39
query.py	18.27 KB	-rw-r--r--	2017-08-03 16:39
query.pyc	15.46 KB	-rw-r--r--	2017-08-03 16:39
query.pyo	15.46 KB	-rw-r--r--	2017-08-03 16:39
rcode.py	3.02 KB	-rw-r--r--	2015-06-13 08:26
rcode.pyc	2.9 KB	-rw-r--r--	2017-08-03 16:39
rcode.pyo	2.9 KB	-rw-r--r--	2017-08-03 16:39
rdata.py	14.8 KB	-rw-r--r--	2015-06-13 08:26
rdata.pyc	16.12 KB	-rw-r--r--	2017-08-03 16:39
rdata.pyo	16.12 KB	-rw-r--r--	2017-08-03 16:39
rdataclass.py	3.21 KB	-rw-r--r--	2015-06-13 08:26
rdataclass.pyc	2.94 KB	-rw-r--r--	2017-08-03 16:39
rdataclass.pyo	2.94 KB	-rw-r--r--	2017-08-03 16:39
rdataset.py	11.25 KB	-rw-r--r--	2015-06-13 08:26
rdataset.pyc	11.02 KB	-rw-r--r--	2017-08-03 16:39
rdataset.pyo	10.97 KB	-rw-r--r--	2017-08-03 16:39
rdatatype.py	5.12 KB	-rw-r--r--	2015-06-13 08:26
rdatatype.pyc	5.35 KB	-rw-r--r--	2017-08-03 16:39
rdatatype.pyo	5.35 KB	-rw-r--r--	2017-08-03 16:39
renderer.py	11.63 KB	-rw-r--r--	2015-06-13 08:26
renderer.pyc	10.83 KB	-rw-r--r--	2017-08-03 16:39
renderer.pyo	10.73 KB	-rw-r--r--	2017-08-03 16:39
resolver.py	47.78 KB	-rw-r--r--	2017-08-03 16:39
resolver.pyc	38.95 KB	-rw-r--r--	2017-08-03 16:39
resolver.pyo	38.95 KB	-rw-r--r--	2017-08-03 16:39
reversename.py	3.03 KB	-rw-r--r--	2015-06-13 08:26
reversename.pyc	2.39 KB	-rw-r--r--	2017-08-03 16:39
reversename.pyo	2.39 KB	-rw-r--r--	2017-08-03 16:39
rrset.py	5.76 KB	-rw-r--r--	2015-06-13 08:26
rrset.pyc	6.14 KB	-rw-r--r--	2017-08-03 16:39
rrset.pyo	6.14 KB	-rw-r--r--	2017-08-03 16:39
set.py	7.66 KB	-rw-r--r--	2015-06-13 08:26
set.pyc	9.74 KB	-rw-r--r--	2017-08-03 16:39
set.pyo	9.74 KB	-rw-r--r--	2017-08-03 16:39
tokenizer.py	17.53 KB	-rw-r--r--	2015-06-13 08:26
tokenizer.pyc	16.85 KB	-rw-r--r--	2017-08-03 16:39
tokenizer.pyo	16.85 KB	-rw-r--r--	2017-08-03 16:39
tsig.py	7.98 KB	-rw-r--r--	2015-06-13 08:26
tsig.pyc	7.98 KB	-rw-r--r--	2017-08-03 16:39
tsig.pyo	7.98 KB	-rw-r--r--	2017-08-03 16:39
tsigkeyring.py	1.61 KB	-rw-r--r--	2015-06-13 08:26
tsigkeyring.pyc	1.16 KB	-rw-r--r--	2017-08-03 16:39
tsigkeyring.pyo	1.16 KB	-rw-r--r--	2017-08-03 16:39
ttl.py	2.16 KB	-rw-r--r--	2015-06-13 08:26
ttl.pyc	1.52 KB	-rw-r--r--	2017-08-03 16:39
ttl.pyo	1.52 KB	-rw-r--r--	2017-08-03 16:39
update.py	9.92 KB	-rw-r--r--	2015-06-13 08:26
update.pyc	8.25 KB	-rw-r--r--	2017-08-03 16:39
update.pyo	8.25 KB	-rw-r--r--	2017-08-03 16:39
version.py	1.24 KB	-rw-r--r--	2015-06-13 08:26
version.pyc	558 B	-rw-r--r--	2017-08-03 16:39
version.pyo	558 B	-rw-r--r--	2017-08-03 16:39
wiredata.py	2.53 KB	-rw-r--r--	2015-06-13 08:26
wiredata.pyc	2.18 KB	-rw-r--r--	2017-08-03 16:39
wiredata.pyo	2.18 KB	-rw-r--r--	2017-08-03 16:39
zone.py	37.92 KB	-rw-r--r--	2015-06-13 08:26
zone.pyc	33.44 KB	-rw-r--r--	2017-08-03 16:39
zone.pyo	33.44 KB	-rw-r--r--	2017-08-03 16:39

Rename

# Copyright (C) 2001-2007, 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.

"""DNS Opcodes."""

import dns.exception

QUERY = 0
IQUERY = 1
STATUS = 2
NOTIFY = 4
UPDATE = 5

_by_text = {
    'QUERY' : QUERY,
    'IQUERY' : IQUERY,
    'STATUS' : STATUS,
    'NOTIFY' : NOTIFY,
    'UPDATE' : UPDATE
}

# We construct the inverse mapping programmatically to ensure that we
# cannot make any mistakes (e.g. omissions, cut-and-paste errors) that
# would cause the mapping not to be true inverse.

_by_value = dict([(y, x) for x, y in _by_text.iteritems()])

class UnknownOpcode(dns.exception.DNSException):
    """An DNS opcode is unknown."""

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

@param text: the textual opcode
    @type text: string
    @raises UnknownOpcode: the opcode is unknown
    @rtype: int
    """

if text.isdigit():
        value = int(text)
        if value >= 0 and value <= 15:
            return value
    value = _by_text.get(text.upper())
    if value is None:
        raise UnknownOpcode
    return value

def from_flags(flags):
    """Extract an opcode from DNS message flags.

@param flags: int
    @rtype: int
    """
    
    return (flags & 0x7800) >> 11

def to_flags(value):
    """Convert an opcode to a value suitable for ORing into DNS message
    flags.
    @rtype: int
    """
    
    return (value << 11) & 0x7800
    
def to_text(value):
    """Convert an opcode to text.

@param value: the opcdoe
    @type value: int
    @raises UnknownOpcode: the opcode is unknown
    @rtype: string
    """
    
    text = _by_value.get(value)
    if text is None:
        text = str(value)
    return text

def is_update(flags):
    """True if the opcode in flags is UPDATE.

@param flags: DNS flags
    @type flags: int
    @rtype: bool
    """
    
    if (from_flags(flags) == UPDATE):
        return True
    return False