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mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-22 18:19:42 +00:00
bind/bin/python/isc/keydict.py
2016-04-28 22:30:53 -07:00

90 lines
3.1 KiB
Python

############################################################################
# Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
#
# Permission to use, copy, modify, and/or distribute this software 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 ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC 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.
############################################################################
from collections import defaultdict
from . import dnskey
import os
import glob
########################################################################
# Class keydict
########################################################################
class keydict:
""" A dictionary of keys, indexed by name, algorithm, and key id """
_keydict = defaultdict(lambda: defaultdict(dict))
_defttl = None
_missing = []
def __init__(self, dp=None, **kwargs):
self._defttl = kwargs.get('keyttl', None)
zones = kwargs.get('zones', None)
if not zones:
path = kwargs.get('path',None) or '.'
self.readall(path)
else:
for zone in zones:
if 'path' in kwargs and kwargs['path'] is not None:
path = kwargs['path']
else:
path = dp and dp.policy(zone).directory or '.'
if not self.readone(path, zone):
self._missing.append(zone)
def readall(self, path):
files = glob.glob(os.path.join(path, '*.private'))
for infile in files:
key = dnskey(infile, path, self._defttl)
self._keydict[key.name][key.alg][key.keyid] = key
def readone(self, path, zone):
match='K' + zone + '.+*.private'
files = glob.glob(os.path.join(path, match))
found = False
for infile in files:
key = dnskey(infile, path, self._defttl)
if key.name != zone: # shouldn't ever happen
continue
self._keydict[key.name][key.alg][key.keyid] = key
found = True
return found
def __iter__(self):
for zone, algorithms in self._keydict.items():
for alg, keys in algorithms.items():
for key in keys.values():
yield key
def __getitem__(self, name):
return self._keydict[name]
def zones(self):
return (self._keydict.keys())
def algorithms(self, zone):
return (self._keydict[zone].keys())
def keys(self, zone, alg):
return (self._keydict[zone][alg].keys())
def missing(self):
return (self._missing)