From: Peter Palfrader <peter@palfrader.org>
Date: Thu, 16 May 2019 05:43:56 +0000 (+0200)
Subject: fix ipv6 parsing.  We would not properly handle empty blocks (i.e. ::).
X-Git-Url: https://git.adam-barratt.org.uk/?p=mirror%2Fuserdir-ldap.git;a=commitdiff_plain;h=20ea7eaf0d2818ccbf38972f9f3d32fe3690120b

fix ipv6 parsing.  We would not properly handle empty blocks (i.e. ::).

This worked before and got broken in 28c3209e235e0d637172a1c5acd1e4142a58f8da
---

diff --git a/ud-mailgate b/ud-mailgate
index 32985d1..cd6b517 100755
--- a/ud-mailgate
+++ b/ud-mailgate
@@ -433,7 +433,7 @@ def DoDNS(Str, Attrs, DnRecord):
             if p == "":
                 if seenEmptypart:
                     return "Invalid IPv6 address (%s): more than one :: (nothing in between colons) is not allowed" % (ipv6address)
-            seenEmptypart = True
+                seenEmptypart = True
             sanitized = "%s IN AAAA %s" % (hostname, ipv6address)
     else:
         raise UDFormatError("None of the types I recognize was it.  I shouldn't be here.  confused.")