From 4bbc3ff037026c72f3249f59c1b5af69a6ad6d69 Mon Sep 17 00:00:00 2001 From: Jelmer Vernooij Date: Mon, 29 Mar 2010 16:08:11 +0200 Subject: s4-python: Move dnspython to lib/, like the other Python modules This also avoids it from being installed if it's already present on the system. --- lib/dnspython/dns/tsigkeyring.py | 44 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 lib/dnspython/dns/tsigkeyring.py (limited to 'lib/dnspython/dns/tsigkeyring.py') diff --git a/lib/dnspython/dns/tsigkeyring.py b/lib/dnspython/dns/tsigkeyring.py new file mode 100644 index 0000000000..4d68f96c85 --- /dev/null +++ b/lib/dnspython/dns/tsigkeyring.py @@ -0,0 +1,44 @@ +# Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation 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 NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM 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. + +"""A place to store TSIG keys.""" + +import base64 + +import dns.name + +def from_text(textring): + """Convert a dictionary containing (textual DNS name, base64 secret) pairs + into a binary keyring which has (dns.name.Name, binary secret) pairs. + @rtype: dict""" + + keyring = {} + for keytext in textring: + keyname = dns.name.from_text(keytext) + secret = base64.decodestring(textring[keytext]) + keyring[keyname] = secret + return keyring + +def to_text(keyring): + """Convert a dictionary containing (dns.name.Name, binary secret) pairs + into a text keyring which has (textual DNS name, base64 secret) pairs. + @rtype: dict""" + + textring = {} + for keyname in keyring: + keytext = dns.name.to_text(keyname) + secret = base64.encodestring(keyring[keyname]) + textring[keytext] = secret + return textring -- cgit