Added greg@greg.rim.or.jp's quick hack to allow search with empty search base.

Must enable -DLDAP_ALLOW_NULL_SEARCH_BASE to use.

servers/slapd/backend.c

@@ -159,7 +159,20 @@ select_backend( char * dn )
 	dnlen = strlen( dn );
 	for ( i = 0; i < nbackends; i++ ) {
 		for ( j = 0; backends[i].be_suffix != NULL &&
-		    backends[i].be_suffix[j] != NULL; j++ ) {
+		    backends[i].be_suffix[j] != NULL; j++ )
+		{
+#ifdef LDAP_ALLOW_NULL_SEARCH_BASE
+			/* Add greg@greg.rim.or.jp
+			 * It's quick hack for cheap client
+			 * Some browser offer a NULL base at ldap_search
+			 */
+			if(dnlen == 0) {
+				Debug( LDAP_DEBUG_TRACE,
+					"select_backend: use default backend\n", 0, 0, 0 );
+				return (&backends[i]);
+			}
+#endif /* LDAP_ALLOW_NULL_SEARCH_BASE
+
 			len = strlen( backends[i].be_suffix[j] );
 
 			if ( len > dnlen ) {