[wp-trac] [WordPress Trac] #15936: IPv6 literal support in multisite broken

WordPress Trac wp-trac at lists.automattic.com
Tue Dec 21 16:00:25 UTC 2010


#15936: IPv6 literal support in multisite broken
--------------------------+-----------------------------
 Reporter:  jmdh          |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  3.0.3
 Severity:  normal        |   Keywords:
--------------------------+-----------------------------
 The logic for handling explicit port numbers in wp-includes/ms-
 settings.php is confused by IPv6 literal addresses in URLs as defined by
 RFC 2732.
 It tries to handle the URL as it as if there were a port appended, but
 then fails to strip it off. Incidentally the error message here:
 'Multisite only works without the port number in the URL.' is untrue,
 since ports are handled (but for only two particular cases, port 80 and
 443).

 The attached patch, against Wordpress 3.0.3, fixes both these issues, and
 allows ports other than 80 and 443 to be used with Wordpress, by just
 stripping off the trailing port rather than special-casing the two well-
 known ports, and not incorrectly detecting IPv6 literals as URLs with
 ports in. It also has the advantage of being much more compact.

 It may be worth someone thinking through whether the substitution is
 strictly correct with reference to the URL standards, but I'm pretty sure
 that this is an improvement on the current code.

 Thanks,
 Dominic.

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Ticket URL: <http://core.trac.wordpress.org/ticket/15936>
WordPress Trac <http://core.trac.wordpress.org/>
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