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RE: LDAP Authentication with Umlauts

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On fre, 2008-07-04 at 10:30 +0200, Henrik Nordstrom wrote:
> On tor, 2008-07-03 at 12:39 +0200, enrico.hoyme@xxxxxxxxxxxxxxxx wrote:
> > Hi,
> > 
> > I also had problems with umlauts. We use our Lotus Domino Server as LDAP 
> > server and since an update from version 6.5 to 8, our users are unable to 
> > authenticate via IE or Firefox if their password contains umlauts.
> > We are running squid on BSD and Linux and on both system you are able to 
> > authenticate using squid_ldap_auth on command line.
> > I figured out that if you use the command line (set to utf-8) the utf-8 
> > code will be send and if you try to use IE or Firefox the ASCII code will 
> > be send.
> > So I wrote a small work around by adding a new function 
> > rfc1738_unescape_with_utf to squid_ldap_auth.c. The base content is the 
> > original function rfc1738_unescape, but I added a switch statement to 
> > change the character representation from ascii to utf-8 (see code for 
> > german special chars below).
> 
> Can you try the attached patch instead? It tries to address the problem
> in a generic manner.

After thinking this over a bit more your approach of translating to utf8
at input is better. But even better is to do it in Squid before the
request is sent instead of each helper..

I have now committed a change adding generic UTF-8 transpation to
Squid-2 & 3, adding an auth_param basic utf8 parameter to enable UTF-8
translation of usernames & passwords.

http://www.squid-cache.org/Versions/v2/HEAD/changesets/12298.patch

Regards
Henrik

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