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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:37:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:37:14 +0000
commitea648e70a989cca190cd7403fe892fd2dcc290b4 (patch)
treee2b6b1c647da68b0d4d66082835e256eb30970e8 /bin/python/isc/keyzone.py.in
parentInitial commit. (diff)
downloadbind9-ea648e70a989cca190cd7403fe892fd2dcc290b4.tar.xz
bind9-ea648e70a989cca190cd7403fe892fd2dcc290b4.zip
Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bin/python/isc/keyzone.py.in')
-rw-r--r--bin/python/isc/keyzone.py.in55
1 files changed, 55 insertions, 0 deletions
diff --git a/bin/python/isc/keyzone.py.in b/bin/python/isc/keyzone.py.in
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+############################################################################
+# 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 http://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 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