+int slap_DN_strict = SLAP_AD_NOINSERT;
+
+static int
+LDAPRDN_validate( LDAPRDN rdn )
+{
+ int iAVA;
+ int rc;
+
+ assert( rdn != NULL );
+
+ for ( iAVA = 0; rdn[ iAVA ]; iAVA++ ) {
+ LDAPAVA *ava = rdn[ iAVA ];
+ AttributeDescription *ad;
+ slap_syntax_validate_func *validate = NULL;
+
+ assert( ava != NULL );
+
+ if ( ( ad = AVA_PRIVATE( ava ) ) == NULL ) {
+ const char *text = NULL;
+
+ rc = slap_bv2ad( &ava->la_attr, &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ rc = slap_bv2undef_ad( &ava->la_attr,
+ &ad, &text,
+ SLAP_AD_PROXIED|slap_DN_strict );
+ if ( rc != LDAP_SUCCESS ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+
+ ava->la_private = ( void * )ad;
+ }
+
+ /*
+ * Do not allow X-ORDERED 'VALUES' naming attributes
+ */
+ if ( ad->ad_type->sat_flags & SLAP_AT_ORDERED_VAL ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+
+ /*
+ * Replace attr oid/name with the canonical name
+ */
+ ava->la_attr = ad->ad_cname;
+
+ validate = ad->ad_type->sat_syntax->ssyn_validate;
+
+ if ( validate ) {
+ /*
+ * validate value by validate function
+ */
+ rc = ( *validate )( ad->ad_type->sat_syntax,
+ &ava->la_value );
+
+ if ( rc != LDAP_SUCCESS ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+ }
+
+ return LDAP_SUCCESS;
+}