From 45d6379135504814ab723b57f0eb8be23393a51d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 09:24:22 +0200
Subject: Adding upstream version 1:9.16.44.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 bin/python/isc/keyzone.py.in | 59 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 bin/python/isc/keyzone.py.in

(limited to 'bin/python/isc/keyzone.py.in')

diff --git a/bin/python/isc/keyzone.py.in b/bin/python/isc/keyzone.py.in
new file mode 100644
index 0000000..c0c7043
--- /dev/null
+++ b/bin/python/isc/keyzone.py.in
@@ -0,0 +1,59 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# 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
-- 
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