Gecko [ goons4good.org ]

Name	Size	Permission	Date
rdtypes	[ DIR ]	drwxr-xr-x	2024-09-22 02:58
__init__.py	1.3 KB	-rw-r--r--	2011-07-09 10:05
__init__.pyc	765 B	-rw-r--r--	2022-08-18 18:54
__init__.pyo	765 B	-rw-r--r--	2022-08-18 18:54
dnssec.py	14.37 KB	-rw-r--r--	2014-05-31 14:00
dnssec.pyc	13.46 KB	-rw-r--r--	2022-08-18 18:54
dnssec.pyo	13.38 KB	-rw-r--r--	2022-08-18 18:54
e164.py	3.01 KB	-rw-r--r--	2012-04-08 08:58
e164.pyc	2.76 KB	-rw-r--r--	2022-08-18 18:54
e164.pyo	2.76 KB	-rw-r--r--	2022-08-18 18:54
edns.py	4.21 KB	-rw-r--r--	2012-05-21 13:33
edns.pyc	5.2 KB	-rw-r--r--	2022-08-18 18:54
edns.pyo	5.2 KB	-rw-r--r--	2022-08-18 18:54
entropy.py	3.79 KB	-rw-r--r--	2011-07-09 10:05
entropy.pyc	3.7 KB	-rw-r--r--	2022-08-18 18:54
entropy.pyo	3.7 KB	-rw-r--r--	2022-08-18 18:54
exception.py	1.29 KB	-rw-r--r--	2011-07-09 10:05
exception.pyc	1.56 KB	-rw-r--r--	2022-08-18 18:54
exception.pyo	1.56 KB	-rw-r--r--	2022-08-18 18:54
flags.py	2.62 KB	-rw-r--r--	2011-07-09 10:05
flags.pyc	2.58 KB	-rw-r--r--	2022-08-18 18:54
flags.pyo	2.58 KB	-rw-r--r--	2022-08-18 18:54
grange.py	1.83 KB	-rw-r--r--	2013-07-07 07:18
grange.pyc	1.15 KB	-rw-r--r--	2022-08-18 18:54
grange.pyo	1.08 KB	-rw-r--r--	2022-08-18 18:54
hash.py	2.34 KB	-rw-r--r--	2011-07-09 10:05
hash.pyc	2.11 KB	-rw-r--r--	2022-08-18 18:54
hash.pyo	2.11 KB	-rw-r--r--	2022-08-18 18:54
inet.py	3.16 KB	-rw-r--r--	2011-07-09 10:05
inet.pyc	2.61 KB	-rw-r--r--	2022-08-18 18:54
inet.pyo	2.61 KB	-rw-r--r--	2022-08-18 18:54
ipv4.py	1.81 KB	-rw-r--r--	2012-04-08 09:19
ipv4.pyc	1.37 KB	-rw-r--r--	2022-08-18 18:54
ipv4.pyo	1.37 KB	-rw-r--r--	2022-08-18 18:54
ipv6.py	4.97 KB	-rw-r--r--	2014-05-31 14:10
ipv6.pyc	3.44 KB	-rw-r--r--	2022-08-18 18:54
ipv6.pyo	3.44 KB	-rw-r--r--	2022-08-18 18:54
message.py	41.63 KB	-rw-r--r--	2014-04-04 08:36
message.pyc	36.39 KB	-rw-r--r--	2022-08-18 18:54
message.pyo	36.39 KB	-rw-r--r--	2022-08-18 18:54
name.py	21.82 KB	-rw-r--r--	2014-06-19 08:35
name.pyc	23 KB	-rw-r--r--	2022-08-18 18:54
name.pyo	23 KB	-rw-r--r--	2022-08-18 18:54
namedict.py	2.06 KB	-rw-r--r--	2011-07-09 10:05
namedict.pyc	1.92 KB	-rw-r--r--	2022-08-18 18:54
namedict.pyo	1.92 KB	-rw-r--r--	2022-08-18 18:54
node.py	5.89 KB	-rw-r--r--	2013-02-26 11:44
node.pyc	6.15 KB	-rw-r--r--	2022-08-18 18:54
node.pyo	6.15 KB	-rw-r--r--	2022-08-18 18:54
opcode.py	2.55 KB	-rw-r--r--	2011-07-09 10:05
opcode.pyc	2.49 KB	-rw-r--r--	2022-08-18 18:54
opcode.pyo	2.49 KB	-rw-r--r--	2022-08-18 18:54
query.py	17.89 KB	-rw-r--r--	2014-06-21 11:33
query.pyc	15.31 KB	-rw-r--r--	2022-08-18 18:54
query.pyo	15.31 KB	-rw-r--r--	2022-08-18 18:54
rcode.py	3.03 KB	-rw-r--r--	2011-07-09 10:05
rcode.pyc	2.92 KB	-rw-r--r--	2022-08-18 18:54
rcode.pyo	2.92 KB	-rw-r--r--	2022-08-18 18:54
rdata.py	15.34 KB	-rw-r--r--	2011-07-18 18:04
rdata.pyc	16.59 KB	-rw-r--r--	2022-08-18 18:54
rdata.pyo	16.59 KB	-rw-r--r--	2022-08-18 18:54
rdataclass.py	3.22 KB	-rw-r--r--	2011-07-09 10:05
rdataclass.pyc	2.96 KB	-rw-r--r--	2022-08-18 18:54
rdataclass.pyo	2.96 KB	-rw-r--r--	2022-08-18 18:54
rdataset.py	11.28 KB	-rw-r--r--	2012-04-07 16:38
rdataset.pyc	11.08 KB	-rw-r--r--	2022-08-18 18:54
rdataset.pyo	11.03 KB	-rw-r--r--	2022-08-18 18:54
rdatatype.py	5.07 KB	-rw-r--r--	2012-09-25 12:35
rdatatype.pyc	5.29 KB	-rw-r--r--	2022-08-18 18:54
rdatatype.pyo	5.29 KB	-rw-r--r--	2022-08-18 18:54
renderer.py	11.63 KB	-rw-r--r--	2013-05-30 05:27
renderer.pyc	10.85 KB	-rw-r--r--	2022-08-18 18:54
renderer.pyo	10.75 KB	-rw-r--r--	2022-08-18 18:54
resolver.py	45.35 KB	-rw-r--r--	2014-06-21 12:12
resolver.pyc	37.16 KB	-rw-r--r--	2022-08-18 18:54
resolver.pyo	37.16 KB	-rw-r--r--	2022-08-18 18:54
reversename.py	3.03 KB	-rw-r--r--	2014-05-31 14:10
reversename.pyc	2.4 KB	-rw-r--r--	2022-08-18 18:54
reversename.pyo	2.4 KB	-rw-r--r--	2022-08-18 18:54
rrset.py	5.76 KB	-rw-r--r--	2011-07-09 10:05
rrset.pyc	6.17 KB	-rw-r--r--	2022-08-18 18:54
rrset.pyo	6.17 KB	-rw-r--r--	2022-08-18 18:54
set.py	7.66 KB	-rw-r--r--	2011-07-09 10:05
set.pyc	9.81 KB	-rw-r--r--	2022-08-18 18:54
set.pyo	9.81 KB	-rw-r--r--	2022-08-18 18:54
tokenizer.py	17.54 KB	-rw-r--r--	2014-04-11 10:55
tokenizer.pyc	16.92 KB	-rw-r--r--	2022-08-18 18:54
tokenizer.pyo	16.92 KB	-rw-r--r--	2022-08-18 18:54
tsig.py	8.1 KB	-rw-r--r--	2014-04-04 08:36
tsig.pyc	8.08 KB	-rw-r--r--	2022-08-18 18:54
tsig.pyo	8.08 KB	-rw-r--r--	2022-08-18 18:54
tsigkeyring.py	1.61 KB	-rw-r--r--	2013-09-01 19:11
tsigkeyring.pyc	1.16 KB	-rw-r--r--	2022-08-18 18:54
tsigkeyring.pyo	1.16 KB	-rw-r--r--	2022-08-18 18:54
ttl.py	2.13 KB	-rw-r--r--	2011-07-09 10:05
ttl.pyc	1.48 KB	-rw-r--r--	2022-08-18 18:54
ttl.pyo	1.48 KB	-rw-r--r--	2022-08-18 18:54
update.py	9.92 KB	-rw-r--r--	2011-07-09 10:05
update.pyc	8.27 KB	-rw-r--r--	2022-08-18 18:54
update.pyo	8.27 KB	-rw-r--r--	2022-08-18 18:54
version.py	1.24 KB	-rw-r--r--	2014-09-01 08:42
version.pyc	560 B	-rw-r--r--	2022-08-18 18:54
version.pyo	560 B	-rw-r--r--	2022-08-18 18:54
wiredata.py	2.53 KB	-rw-r--r--	2014-07-24 10:35
wiredata.pyc	2.19 KB	-rw-r--r--	2022-08-18 18:54
wiredata.pyo	2.19 KB	-rw-r--r--	2022-08-18 18:54
zone.py	37.94 KB	-rw-r--r--	2014-06-21 11:57
zone.pyc	33.52 KB	-rw-r--r--	2022-08-18 18:54
zone.pyo	33.52 KB	-rw-r--r--	2022-08-18 18:54

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):
    """Raised if an opcode is unknown."""
    pass

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