Re: Present filter on unrecognized attribute types

["Kurt D. Zeilenga" <Kurt@OpenLDAP.org>]

Please submit bug reports using the Issue Tracking System
<http://www.openldap.org/its/>.  Patches welcomed, see
<http://www.openldap.org/devel/contributing.html>.

Thanks, Kurt.

At 01:27 AM 2001-11-13, Bob Pepin wrote:
>Hi,
>When slapd finds a present filter with an invalid attribute it evaluates to UNDEFINED for that filter instead of FALSE. From rfc2251:
>
>    The present match evaluates to TRUE where there is an attribute or
>    subtype of the specified attribute description present in an entry,
>    and FALSE otherwise (including a presence test with an unrecognized
>    attribute description.)
>
>Here's the diff:
>--- openldap-2.0.17/servers/slapd.orig/filter.c Fri Aug 31 22:24:17 2001
>+++ openldap-2.0.17/servers/slapd/filter.c      Tue Nov 13 10:13:56 2001
>@@ -183,6 +183,10 @@
>               err = slap_bv2ad( &type, &f->f_desc, text );
>
>               if( err != LDAP_SUCCESS ) {
>+                /* unknown attributes evaluate to false */
>+                       f->f_choice = SLAPD_FILTER_COMPUTED;
>+                       f->f_result = LDAP_COMPARE_FALSE;
>+                       err = LDAP_SUCCESS;
>                       ch_free( type.bv_val );
>                       break;
>               }