Gecko [ herotex-group.site ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-06-14 07:36
rdtypes	[ DIR ]	drwxr-xr-x	2024-06-14 07:36
__init__.py	1.3 KB	-rw-r--r--	2016-09-20 16:24
_compat.py	1.28 KB	-rw-r--r--	2016-09-20 16:24
dnssec.py	14.44 KB	-rw-r--r--	2016-09-20 16:24
e164.py	3.07 KB	-rw-r--r--	2016-09-20 16:24
edns.py	4.28 KB	-rw-r--r--	2016-09-20 16:24
entropy.py	4.36 KB	-rw-r--r--	2016-09-20 16:24
exception.py	4.52 KB	-rw-r--r--	2016-09-20 19:13
flags.py	2.6 KB	-rw-r--r--	2016-09-20 16:24
grange.py	1.93 KB	-rw-r--r--	2016-09-20 16:24
hash.py	1.07 KB	-rw-r--r--	2016-09-20 16:24
inet.py	3.17 KB	-rw-r--r--	2016-09-20 16:24
ipv4.py	1.98 KB	-rw-r--r--	2016-09-20 16:24
ipv6.py	5.17 KB	-rw-r--r--	2016-09-20 16:24
message.py	42.12 KB	-rw-r--r--	2016-09-26 15:38
name.py	28.74 KB	-rw-r--r--	2024-05-23 10:29
namedict.py	3.59 KB	-rw-r--r--	2016-09-20 16:24
node.py	5.91 KB	-rw-r--r--	2016-09-20 16:24
opcode.py	2.48 KB	-rw-r--r--	2016-09-20 16:24
query.py	19.18 KB	-rw-r--r--	2024-05-23 10:29
rcode.py	3.03 KB	-rw-r--r--	2016-09-20 16:24
rdata.py	14.65 KB	-rw-r--r--	2016-09-20 16:24
rdataclass.py	3.18 KB	-rw-r--r--	2016-09-20 16:24
rdataset.py	11.29 KB	-rw-r--r--	2016-09-20 16:24
rdatatype.py	5.21 KB	-rw-r--r--	2016-09-20 19:54
renderer.py	11.64 KB	-rw-r--r--	2016-09-20 16:24
resolver.py	50.88 KB	-rw-r--r--	2016-09-26 15:52
reversename.py	3.23 KB	-rw-r--r--	2016-09-20 16:24
rrset.py	5.85 KB	-rw-r--r--	2016-09-25 19:25
set.py	7.53 KB	-rw-r--r--	2016-09-20 16:24
tokenizer.py	17.88 KB	-rw-r--r--	2016-09-20 16:24
tsig.py	7.54 KB	-rw-r--r--	2016-09-20 16:24
tsigkeyring.py	1.7 KB	-rw-r--r--	2016-09-20 16:24
ttl.py	2.23 KB	-rw-r--r--	2016-09-20 16:24
update.py	9.78 KB	-rw-r--r--	2016-09-20 16:24
version.py	1.23 KB	-rw-r--r--	2016-09-20 16:24
wiredata.py	3.64 KB	-rw-r--r--	2016-09-20 16:24
zone.py	39.09 KB	-rw-r--r--	2016-09-29 22:29

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 Message Flags."""

# Standard DNS flags

QR = 0x8000
AA = 0x0400
TC = 0x0200
RD = 0x0100
RA = 0x0080
AD = 0x0020
CD = 0x0010

# EDNS flags

DO = 0x8000

_by_text = {
    'QR': QR,
    'AA': AA,
    'TC': TC,
    'RD': RD,
    'RA': RA,
    'AD': AD,
    'CD': CD
}

_edns_by_text = {
    'DO': DO
}

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

_by_value = dict((y, x) for x, y in _by_text.items())

_edns_by_value = dict((y, x) for x, y in _edns_by_text.items())

def _order_flags(table):
    order = list(table.items())
    order.sort()
    order.reverse()
    return order

_flags_order = _order_flags(_by_value)

_edns_flags_order = _order_flags(_edns_by_value)

def _from_text(text, table):
    flags = 0
    tokens = text.split()
    for t in tokens:
        flags = flags | table[t.upper()]
    return flags

def _to_text(flags, table, order):
    text_flags = []
    for k, v in order:
        if flags & k != 0:
            text_flags.append(v)
    return ' '.join(text_flags)

def from_text(text):
    """Convert a space-separated list of flag text values into a flags
    value.
    @rtype: int"""

return _from_text(text, _by_text)

def to_text(flags):
    """Convert a flags value into a space-separated list of flag text
    values.
    @rtype: string"""

return _to_text(flags, _by_value, _flags_order)

def edns_from_text(text):
    """Convert a space-separated list of EDNS flag text values into a EDNS
    flags value.
    @rtype: int"""

return _from_text(text, _edns_by_text)

def edns_to_text(flags):
    """Convert an EDNS flags value into a space-separated list of EDNS flag
    text values.
    @rtype: string"""

return _to_text(flags, _edns_by_value, _edns_flags_order)