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authorPhilip Hazel <ph10@hermes.cam.ac.uk>2005-11-21 12:04:23 +0000
committerPhilip Hazel <ph10@hermes.cam.ac.uk>2005-11-21 12:04:23 +0000
commitd27f1df3feb4ff58a8e3948b91797111d62f73e2 (patch)
tree4784eb1f7b28fbd3e2f69d86f0e417b456bea67a /doc/doc-txt
parentdf199fec8faee495664d153096dff38faf3ba3ad (diff)
Mend comparison bug for canonical vs non-canonical IPv6 addresses.
Diffstat (limited to 'doc/doc-txt')
-rw-r--r--doc/doc-txt/ChangeLog12
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 824a8d3eb..75826bdac 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -1,4 +1,4 @@
-$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.266 2005/11/21 10:24:02 ph10 Exp $
+$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.267 2005/11/21 12:04:23 ph10 Exp $
Change log file for Exim from version 4.21
-------------------------------------------
@@ -151,6 +151,16 @@ PH/17 A further patch from the Sieve maintainer: "Introduce the new Sieve
PH/18 Exim was not recognizing the "net-" search type prefix in match_ip lists
(Bugzilla #53).
+PH/19 Exim expands the IPv6 address given to -bh to its full non-abbreviated
+ canonical form (as documented). However, after a host name lookup from
+ the IP address, check_host() was doing a simple string comparison with
+ addresses acquired from the DNS when checking that the found name did
+ have the original IP as one of its addresses. Since any found IPv6
+ addresses are likely to be in abbreviated form, the comparison could
+ fail. Luckily, there already exists a function for doing the comparison
+ by converting both addresses to binary, so now that is used instead of
+ the text comparison.
+
Exim version 4.54
-----------------