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Preview: keyzone.py Size: 1.94 KB

/lib/python3.6/site-packages/isc/keyzone.py

############################################################################
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
############################################################################

import os
import sys
import re
from subprocess import Popen, PIPE

########################################################################
# Exceptions
########################################################################
class KeyZoneException(Exception):
    pass

########################################################################
# class keyzone
########################################################################
class keyzone:
    """reads a zone file to find data relevant to keys"""

    def __init__(self, name, filename, czpath):
        self.maxttl = None
        self.keyttl = None

        if not name:
            return

        if not czpath or not os.path.isfile(czpath) \
                or not os.access(czpath, os.X_OK):
            raise KeyZoneException('"named-compilezone" not found')
            return

        maxttl = keyttl = None

        fp, _ = Popen([czpath, "-o", "-", name, filename],
                      stdout=PIPE, stderr=PIPE).communicate()
        for line in fp.splitlines():
            if type(line) is not str:
                line = line.decode('ascii')
            if re.search('^[:space:]*;', line):
                continue
            fields = line.split()
            if not maxttl or int(fields[1]) > maxttl:
                maxttl = int(fields[1])
            if fields[3] == "DNSKEY":
                keyttl = int(fields[1])

        self.keyttl = keyttl
        self.maxttl = maxttl

Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-11-07 23:02:34	Edit Download recursive recursive
checkds.py	6.79 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
coverage.py	9.75 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
dnskey.py	16.03 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
eventlist.py	5.71 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
keydict.py	2.78 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
keyevent.py	2.76 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
keymgr.py	6.35 KB	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive
keyseries.py	8.52 KB	lrw-r--r--	2025-11-06 07:39:42	Edit Download recursive recursive
keyzone.py	1.94 KB	lrw-r--r--	2025-11-06 07:39:42	Edit Download recursive recursive
parsetab.py	7.87 KB	lrw-r--r--	2025-11-06 07:43:23	Edit Download recursive recursive
policy.py	25.80 KB	lrw-r--r--	2025-11-06 07:39:42	Edit Download recursive recursive
rndc.py	6.54 KB	lrw-r--r--	2025-11-06 07:39:42	Edit Download recursive recursive
utils.py	2.16 KB	lrw-r--r--	2025-11-06 07:39:42	Edit Download recursive recursive
__init__.py	937 B	lrw-r--r--	2025-11-06 07:39:41	Edit Download recursive recursive

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