From 3b9b6d0b8e7f798023c9d109c490449d528fde80 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:59:48 +0200 Subject: Adding upstream version 1:9.18.19. Signed-off-by: Daniel Baumann --- contrib/scripts/catzhash.py | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 contrib/scripts/catzhash.py (limited to 'contrib/scripts/catzhash.py') diff --git a/contrib/scripts/catzhash.py b/contrib/scripts/catzhash.py new file mode 100644 index 0000000..fa0b69b --- /dev/null +++ b/contrib/scripts/catzhash.py @@ -0,0 +1,34 @@ +#!/usr/bin/python +# 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. + +# catzhash.py: generate the SHA-1 hash of a domain name in wire format. +# +# This can be used to determine the label to use in a catalog zone to +# represent the specified zone. For example, the zone +# "domain.example" can be represented in a catalog zone called +# "catalog.example" by adding the following record: +# +# 5960775ba382e7a4e09263fc06e7c00569b6a05c.zones.catalog.example. \ +# IN PTR domain.example. +# +# The label "5960775ba382e7a4e09263fc06e7c00569b6a05c" is the output of +# this script when run with the argument "domain.example". + +import sys +import hashlib +import dns.name + +if len(sys.argv) < 2: + print("Usage: %s name" % sys.argv[0]) + +NAME = dns.name.from_text(sys.argv[1]).to_wire() +print(hashlib.sha1(NAME).hexdigest()) -- cgit v1.2.3