[horde] How configure Horde to get the cn and mail attributes on my ldap annuary ?

[Eric Piollet]

When I 'm login in horde I see :
Welcome <uid>

I just want  to have
Welcome <cn>

Idem for imp
I want to get Only cn & mail attributes

I don't want to configure by some horde-prefs attributes for mail & cn but I
want to get the informations from mail & cn attributes on my ldap annuary.
I try to turn & re-turn the problem with hooks.php without solutions ....

If someone can help me ?? please ...