------------------------------------------------------------
revno: 1852
fixes bug: https://launchpad.net/bugs/1881035
committer: Mark Sapiro <m...@msapiro.net>
branch nick: 2.1
timestamp: Thu 2020-05-28 13:27:34 -0700
message:
DMARC mitigation no longer misses upper case names.
modified:
Mailman/Utils.py
NEWS
--
lp:mailman/2.1
https://code.launchpad.net/~mailman-coders/mailman/2.1
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=== modified file 'Mailman/Utils.py'
--- Mailman/Utils.py 2019-06-20 22:51:01 +0000
+++ Mailman/Utils.py 2020-05-28 20:27:34 +0000
@@ -1343,12 +1343,14 @@
cnames = {}
want_names = set([dmarc_domain + '.'])
for txt_rec in txt_recs.response.answer:
+ # Don't be fooled by an answer with uppercase in the name.
+ name = txt_rec.name.to_text().lower()
if txt_rec.rdtype == dns.rdatatype.CNAME:
- cnames[txt_rec.name.to_text()] = (
+ cnames[name] = (
txt_rec.items[0].target.to_text())
if txt_rec.rdtype != dns.rdatatype.TXT:
continue
- results_by_name.setdefault(txt_rec.name.to_text(), []).append(
+ results_by_name.setdefault(name, []).append(
"".join(txt_rec.items[0].strings))
expands = list(want_names)
seen = set(expands)
=== modified file 'NEWS'
--- NEWS 2020-05-18 17:01:51 +0000
+++ NEWS 2020-05-28 20:27:34 +0000
@@ -13,6 +13,9 @@
attempts to subscribe to a list. This is fixed and extended to apply
REFUSE_SECOND_PENDING to unsubscription as well. (LP: #1878458)
+ - DMARC mitigation no longer misses if the domain name returned by DNS
+ contains upper case. (LP: #1881035)
+
2.1.33 (07-May-2020)
Security
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