Example #1
0
static int
dynlist_prepare_entry( Operation *op, SlapReply *rs, dynlist_info_t *dli )
{
	Attribute	*a, *id = NULL;
	slap_callback	cb = { 0 };
	Operation	o = *op;
	struct berval	*url;
	Entry		*e;
	int		opattrs,
			userattrs;
	dynlist_sc_t	dlc = { 0 };
	dynlist_map_t	*dlm;

	a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
	if ( a == NULL ) {
		/* FIXME: error? */
		return SLAP_CB_CONTINUE;
	}

	opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
	userattrs = SLAP_USERATTRS( rs->sr_attr_flags );

	/* Don't generate member list if it wasn't requested */
	for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
		AttributeDescription *ad = dlm->dlm_mapped_ad ? dlm->dlm_mapped_ad : dlm->dlm_member_ad;
		if ( userattrs || ad_inlist( ad, rs->sr_attrs ) ) 
			break;
	}
	if ( dli->dli_dlm && !dlm )
		return SLAP_CB_CONTINUE;

	if ( ad_dgIdentity && ( id = attrs_find( rs->sr_entry->e_attrs, ad_dgIdentity ))) {
		Attribute *authz = NULL;

		/* if not rootdn and dgAuthz is present,
		 * check if user can be authorized as dgIdentity */
		if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
			&& ( authz = attrs_find( rs->sr_entry->e_attrs, ad_dgAuthz ) ) )
		{
			if ( slap_sasl_matches( op, authz->a_nvals,
				&o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
			{
				return SLAP_CB_CONTINUE;
			}
		}

		o.o_dn = id->a_vals[0];
		o.o_ndn = id->a_nvals[0];
		o.o_groups = NULL;
	}

	e = rs->sr_entry;
	/* ensure e is modifiable, but do not replace
	 * sr_entry yet since we have pointers into it */
	if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
		e = entry_dup( rs->sr_entry );
	}

	dlc.dlc_e = e;
	dlc.dlc_dli = dli;
	cb.sc_private = &dlc;
	cb.sc_response = dynlist_sc_update;

	o.o_callback = &cb;
	o.ors_deref = LDAP_DEREF_NEVER;
	o.ors_limit = NULL;
	o.ors_tlimit = SLAP_NO_LIMIT;
	o.ors_slimit = SLAP_NO_LIMIT;

	for ( url = a->a_nvals; !BER_BVISNULL( url ); url++ ) {
		LDAPURLDesc	*lud = NULL;
		int		i, j;
		struct berval	dn;
		int		rc;

		BER_BVZERO( &o.o_req_dn );
		BER_BVZERO( &o.o_req_ndn );
		o.ors_filter = NULL;
		o.ors_attrs = NULL;
		BER_BVZERO( &o.ors_filterstr );

		if ( ldap_url_parse( url->bv_val, &lud ) != LDAP_URL_SUCCESS ) {
			/* FIXME: error? */
			continue;
		}

		if ( lud->lud_host != NULL ) {
			/* FIXME: host not allowed; reject as illegal? */
			Debug( LDAP_DEBUG_ANY, "dynlist_prepare_entry(\"%s\"): "
				"illegal URI \"%s\"\n",
				e->e_name.bv_val, url->bv_val, 0 );
			goto cleanup;
		}

		if ( lud->lud_dn == NULL ) {
			/* note that an empty base is not honored in terms
			 * of defaultSearchBase, because select_backend()
			 * is not aware of the defaultSearchBase option;
			 * this can be useful in case of a database serving
			 * the empty suffix */
			BER_BVSTR( &dn, "" );

		} else {
			ber_str2bv( lud->lud_dn, 0, 0, &dn );
		}
		rc = dnPrettyNormal( NULL, &dn, &o.o_req_dn, &o.o_req_ndn, op->o_tmpmemctx );
		if ( rc != LDAP_SUCCESS ) {
			/* FIXME: error? */
			goto cleanup;
		}
		o.ors_scope = lud->lud_scope;

		for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
			if ( dlm->dlm_mapped_ad != NULL ) {
				break;
			}
		}

		if ( dli->dli_dlm && !dlm ) {
			/* if ( lud->lud_attrs != NULL ),
			 * the URL should be ignored */
			o.ors_attrs = slap_anlist_no_attrs;

		} else if ( lud->lud_attrs == NULL ) {
			o.ors_attrs = rs->sr_attrs;

		} else {
			for ( i = 0; lud->lud_attrs[i]; i++)
				/* just count */ ;

			o.ors_attrs = op->o_tmpcalloc( i + 1, sizeof( AttributeName ), op->o_tmpmemctx );
			for ( i = 0, j = 0; lud->lud_attrs[i]; i++) {
				const char	*text = NULL;
	
				ber_str2bv( lud->lud_attrs[i], 0, 0, &o.ors_attrs[j].an_name );
				o.ors_attrs[j].an_desc = NULL;
				(void)slap_bv2ad( &o.ors_attrs[j].an_name, &o.ors_attrs[j].an_desc, &text );
				/* FIXME: ignore errors... */

				if ( rs->sr_attrs == NULL ) {
					if ( o.ors_attrs[j].an_desc != NULL &&
							is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
					{
						continue;
					}

				} else {
					if ( o.ors_attrs[j].an_desc != NULL &&
							is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
					{
						if ( !opattrs ) {
							continue;
						}

						if ( !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) ) {
							/* lookup if mapped -- linear search,
							 * not very efficient unless list
							 * is very short */
							for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
								if ( dlm->dlm_member_ad == o.ors_attrs[j].an_desc ) {
									break;
								}
							}

							if ( dlm == NULL ) {
								continue;
							}
						}

					} else {
						if ( !userattrs && 
								o.ors_attrs[j].an_desc != NULL &&
								!ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
						{
							/* lookup if mapped -- linear search,
							 * not very efficient unless list
							 * is very short */
							for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
								if ( dlm->dlm_member_ad == o.ors_attrs[j].an_desc ) {
									break;
								}
							}

							if ( dlm == NULL ) {
								continue;
							}
						}
					}
				}

				j++;
			}

			if ( j == 0 ) {
				goto cleanup;
			}
		
			BER_BVZERO( &o.ors_attrs[j].an_name );
		}

		if ( lud->lud_filter == NULL ) {
			ber_dupbv_x( &o.ors_filterstr,
					&dli->dli_default_filter, op->o_tmpmemctx );

		} else {
			struct berval	flt;
			ber_str2bv( lud->lud_filter, 0, 0, &flt );
			if ( dynlist_make_filter( op, rs->sr_entry, url->bv_val, &flt, &o.ors_filterstr ) ) {
				/* error */
				goto cleanup;
			}
		}
		o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
		if ( o.ors_filter == NULL ) {
			goto cleanup;
		}
		
		o.o_bd = select_backend( &o.o_req_ndn, 1 );
		if ( o.o_bd && o.o_bd->be_search ) {
			SlapReply	r = { REP_SEARCH };
			r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
			(void)o.o_bd->be_search( &o, &r );
		}

cleanup:;
		if ( id ) {
			slap_op_groups_free( &o );
		}
		if ( o.ors_filter ) {
			filter_free_x( &o, o.ors_filter, 1 );
		}
		if ( o.ors_attrs && o.ors_attrs != rs->sr_attrs
				&& o.ors_attrs != slap_anlist_no_attrs )
		{
			op->o_tmpfree( o.ors_attrs, op->o_tmpmemctx );
		}
		if ( !BER_BVISNULL( &o.o_req_dn ) ) {
			op->o_tmpfree( o.o_req_dn.bv_val, op->o_tmpmemctx );
		}
		if ( !BER_BVISNULL( &o.o_req_ndn ) ) {
			op->o_tmpfree( o.o_req_ndn.bv_val, op->o_tmpmemctx );
		}
		assert( BER_BVISNULL( &o.ors_filterstr )
			|| o.ors_filterstr.bv_val != lud->lud_filter );
		op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
		ldap_free_urldesc( lud );
	}

	if ( e != rs->sr_entry ) {
		rs_replace_entry( op, rs, (slap_overinst *)op->o_bd->bd_info, e );
		rs->sr_flags |= REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED;
	}

	return SLAP_CB_CONTINUE;
}
Example #2
0
static int translucent_search_cb(Operation *op, SlapReply *rs) {
	trans_ctx *tc;
	BackendDB *db;
	slap_overinst *on;
	translucent_info *ov;
	Entry *le, *re;
	Attribute *a, *ax, *an, *as = NULL;
	int rc;
	int test_f = 0;

	tc = op->o_callback->sc_private;

	/* Don't let the op complete while we're gathering data */
	if ( rs->sr_type == REP_RESULT && ( tc->step & USE_LIST ))
		return 0;

	if(rs->sr_type != REP_SEARCH || !rs->sr_entry)
		return(SLAP_CB_CONTINUE);

	Debug(LDAP_DEBUG_TRACE, "==> translucent_search_cb: %s\n",
		rs->sr_entry->e_name.bv_val, 0, 0);

	op->ors_slimit = tc->slimit + ( tc->slimit > 0 ? 1 : 0 );
	if ( op->ors_attrs == slap_anlist_all_attributes ) {
		op->ors_attrs = tc->attrs;
		rs->sr_attrs = tc->attrs;
		rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );
	}

	on = tc->on;
	ov = on->on_bi.bi_private;

	db = op->o_bd;
	re = NULL;

	/* If we have local, get remote */
	if ( tc->step & LCL_SIDE ) {
		le = rs->sr_entry;
		/* If entry is already on list, use it */
		if ( tc->step & USE_LIST ) {
			re = tavl_delete( &tc->list, le, entry_dn_cmp );
			if ( re ) {
				rs_flush_entry( op, rs, on );
				rc = test_filter( op, re, tc->orig );
				if ( rc == LDAP_COMPARE_TRUE ) {
					rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
					rs->sr_entry = re;

					if ( tc->slimit >= 0 && rs->sr_nentries >= tc->slimit ) {
						return LDAP_SIZELIMIT_EXCEEDED;
					}

					return SLAP_CB_CONTINUE;
				} else {
					entry_free( re );
					rs->sr_entry = NULL;
					return 0;
				}
			}
		}
		op->o_bd = &ov->db;
		rc = be_entry_get_rw( op, &rs->sr_entry->e_nname, NULL, NULL, 0, &re );
		if ( rc == LDAP_SUCCESS && re ) {
			Entry *tmp = entry_dup( re );
			be_entry_release_r( op, re );
			re = tmp;
			test_f = 1;
		}
	} else {
	/* Else we have remote, get local */
		op->o_bd = tc->db;
		le = NULL;
		rc = overlay_entry_get_ov(op, &rs->sr_entry->e_nname, NULL, NULL, 0, &le, on);
		if ( rc == LDAP_SUCCESS && le ) {
			re = entry_dup( rs->sr_entry );
			rs_flush_entry( op, rs, on );
		} else {
			le = NULL;
		}
	}

/*
** if we got remote and local entry:
**	foreach local attr:
**		foreach remote attr:
**			if match, remote attr with local attr;
**			if new local, add to list;
**	append new local attrs to remote;
**
*/

	if ( re && le ) {
		for(ax = le->e_attrs; ax; ax = ax->a_next) {
			for(a = re->e_attrs; a; a = a->a_next) {
				if(a->a_desc == ax->a_desc) {
					test_f = 1;
					if(a->a_vals != a->a_nvals)
						ber_bvarray_free(a->a_nvals);
					ber_bvarray_free(a->a_vals);
					ber_bvarray_dup_x( &a->a_vals, ax->a_vals, NULL );
					if ( ax->a_vals == ax->a_nvals ) {
						a->a_nvals = a->a_vals;
					} else {
						ber_bvarray_dup_x( &a->a_nvals, ax->a_nvals, NULL );
					}
					break;
				}
			}
			if(a) continue;
			an = attr_dup(ax);
			an->a_next = as;
			as = an;
		}
		/* Dispose of local entry */
		if ( tc->step & LCL_SIDE ) {
			rs_flush_entry(op, rs, on);
		} else {
			overlay_entry_release_ov(op, le, 0, on);
		}

		/* literally append, so locals are always last */
		if(as) {
			if(re->e_attrs) {
				for(ax = re->e_attrs; ax->a_next; ax = ax->a_next);
				ax->a_next = as;
			} else {
				re->e_attrs = as;
			}
		}
		/* If both filters, save entry for later */
		if ( tc->step == (USE_LIST|RMT_SIDE) ) {
			tavl_insert( &tc->list, re, entry_dn_cmp, avl_dup_error );
			rs->sr_entry = NULL;
			rc = 0;
		} else {
		/* send it now */
			rs->sr_entry = re;
			rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
			if ( test_f ) {
				rc = test_filter( op, rs->sr_entry, tc->orig );
				if ( rc == LDAP_COMPARE_TRUE ) {
					rc = SLAP_CB_CONTINUE;
				} else {
					rc = 0;
				}
			} else {
				rc = SLAP_CB_CONTINUE;
			}
		}
	} else if ( le ) {
	/* Only a local entry: remote was deleted
	 * Ought to delete the local too...
	 */
	 	rc = 0;
	} else if ( tc->step & USE_LIST ) {
	/* Only a remote entry, but both filters:
	 * Test the complete filter
	 */
		rc = test_filter( op, rs->sr_entry, tc->orig );
		if ( rc == LDAP_COMPARE_TRUE ) {
			rc = SLAP_CB_CONTINUE;
		} else {
			rc = 0;
		}
	} else {
	/* Only a remote entry, only remote filter:
	 * just pass thru
	 */
		rc = SLAP_CB_CONTINUE;
	}

	op->o_bd = db;

	if ( rc == SLAP_CB_CONTINUE && tc->slimit >= 0 && rs->sr_nentries >= tc->slimit ) {
		return LDAP_SIZELIMIT_EXCEEDED;
	}

	return rc;
}
Example #3
0
static int
allop_op_search( Operation *op, SlapReply *rs )
{
	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
	allop_t		*ao = (allop_t *)on->on_bi.bi_private;

	slap_mask_t	mask;
	int		i,
			add_allUser = 0;

	if ( ao == NULL ) {
		if ( !BER_BVISEMPTY( &op->o_req_ndn )
			|| op->ors_scope != LDAP_SCOPE_BASE )
		{
			return SLAP_CB_CONTINUE;
		}

	} else {
		if ( !dnIsSuffix( &op->o_req_ndn, &ao->ao_ndn ) ) {
			return SLAP_CB_CONTINUE;
		}

		switch ( ao->ao_scope ) {
		case LDAP_SCOPE_BASE:
			if ( op->o_req_ndn.bv_len != ao->ao_ndn.bv_len ) {
				return SLAP_CB_CONTINUE;
			}
			break;

		case LDAP_SCOPE_ONELEVEL:
			if ( op->ors_scope == LDAP_SCOPE_BASE ) {
				struct berval	rdn = op->o_req_ndn;

				rdn.bv_len -= ao->ao_ndn.bv_len + STRLENOF( "," );
				if ( !dnIsOneLevelRDN( &rdn ) ) {
					return SLAP_CB_CONTINUE;
				}

				break;
			}
			return SLAP_CB_CONTINUE;

		case LDAP_SCOPE_SUBTREE:
			break;
		}
	}

	mask = slap_attr_flags( op->ors_attrs );
	if ( SLAP_OPATTRS( mask ) ) {
		return SLAP_CB_CONTINUE;
	}

	if ( !SLAP_USERATTRS( mask ) ) {
		return SLAP_CB_CONTINUE;
	}

	i = 0;
	if ( op->ors_attrs == NULL ) {
		add_allUser = 1;

	} else {
		for ( ; !BER_BVISNULL( &op->ors_attrs[ i ].an_name ); i++ )
			;
	}

	op->ors_attrs = op->o_tmprealloc( op->ors_attrs,
		sizeof( AttributeName ) * ( i + add_allUser + 2 ),
		op->o_tmpmemctx );

	if ( add_allUser ) {
		op->ors_attrs[ i ] = slap_anlist_all_user_attributes[ 0 ];
		i++;
	}

	op->ors_attrs[ i ] = slap_anlist_all_operational_attributes[ 0 ];

	BER_BVZERO( &op->ors_attrs[ i + 1 ].an_name );

	return SLAP_CB_CONTINUE;
}
Example #4
0
static int translucent_search(Operation *op, SlapReply *rs) {
	slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
	translucent_info *ov = on->on_bi.bi_private;
	slap_callback cb = { NULL, NULL, NULL, NULL };
	trans_ctx tc;
	Filter *fl, *fr;
	struct berval fbv;
	int rc = 0;

	if ( op->o_managedsait > SLAP_CONTROL_IGNORED )
		return SLAP_CB_CONTINUE;

	Debug(LDAP_DEBUG_TRACE, "==> translucent_search: <%s> %s\n",
		op->o_req_dn.bv_val, op->ors_filterstr.bv_val, 0);

	if(ov->defer_db_open) {
		send_ldap_error(op, rs, LDAP_UNAVAILABLE,
			"remote DB not available");
		return(rs->sr_err);
	}

	fr = ov->remote ? trans_filter_dup( op, op->ors_filter, ov->remote ) : NULL;
	fl = ov->local ? trans_filter_dup( op, op->ors_filter, ov->local ) : NULL;
	cb.sc_response = (slap_response *) translucent_search_cb;
	cb.sc_private = &tc;
	cb.sc_next = op->o_callback;

	ov->db.be_acl = op->o_bd->be_acl;
	tc.db = op->o_bd;
	tc.on = on;
	tc.orig = op->ors_filter;
	tc.list = NULL;
	tc.step = 0;
	tc.slimit = op->ors_slimit;
	tc.attrs = NULL;
	fbv = op->ors_filterstr;

	op->o_callback = &cb;

	if ( fr || !fl ) {
		tc.attrs = op->ors_attrs;
		op->ors_slimit = SLAP_NO_LIMIT;
		op->ors_attrs = slap_anlist_all_attributes;
		op->o_bd = &ov->db;
		tc.step |= RMT_SIDE;
		if ( fl ) {
			tc.step |= USE_LIST;
			op->ors_filter = fr;
			filter2bv_x( op, fr, &op->ors_filterstr );
		}
		rc = ov->db.bd_info->bi_op_search(op, rs);
		if ( op->ors_attrs == slap_anlist_all_attributes )
			op->ors_attrs = tc.attrs;
		op->o_bd = tc.db;
		if ( fl ) {
			op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
		}
	}
	if ( fl && !rc ) {
		tc.step |= LCL_SIDE;
		op->ors_filter = fl;
		filter2bv_x( op, fl, &op->ors_filterstr );
		rc = overlay_op_walk( op, rs, op_search, on->on_info, on->on_next );
		op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
	}
	op->ors_filterstr = fbv;
	op->ors_filter = tc.orig;
	op->o_callback = cb.sc_next;
	rs->sr_attrs = op->ors_attrs;
	rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );

	/* Send out anything remaining on the list and finish */
	if ( tc.step & USE_LIST ) {
		if ( tc.list ) {
			Avlnode *av;

			av = tavl_end( tc.list, TAVL_DIR_LEFT );
			while ( av ) {
				rs->sr_entry = av->avl_data;
				if ( rc == LDAP_SUCCESS && LDAP_COMPARE_TRUE ==
					test_filter( op, rs->sr_entry, op->ors_filter ))
				{
					rs->sr_flags = REP_ENTRY_MUSTBEFREED;
					rc = send_search_entry( op, rs );
				} else {
					entry_free( rs->sr_entry );
				}
				av = tavl_next( av, TAVL_DIR_RIGHT );
			}
			tavl_free( tc.list, NULL );
			rs->sr_flags = 0;
			rs->sr_entry = NULL;
		}
		send_ldap_result( op, rs );
	}

	op->ors_slimit = tc.slimit;

	/* Free in reverse order */
	if ( fl )
		trans_filter_free( op, fl );
	if ( fr )
		trans_filter_free( op, fr );

	return rc;
}
Example #5
0
int
slap_send_search_entry( Operation *op, SlapReply *rs )
{
	BerElementBuffer berbuf;
	BerElement	*ber = (BerElement *) &berbuf;
	Attribute	*a;
	int		i, j, rc = LDAP_UNAVAILABLE, bytes;
	int		userattrs;
	AccessControlState acl_state = ACL_STATE_INIT;
	int			 attrsonly;
	AttributeDescription *ad_entry = slap_schema.si_ad_entry;

	/* a_flags: array of flags telling if the i-th element will be
	 *          returned or filtered out
	 * e_flags: array of a_flags
	 */
	char **e_flags = NULL;

	rs->sr_type = REP_SEARCH;

	if ( op->ors_slimit >= 0 && rs->sr_nentries >= op->ors_slimit ) {
		rc = LDAP_SIZELIMIT_EXCEEDED;
		goto error_return;
	}

	/* Every 64 entries, check for thread pool pause */
	if ( ( ( rs->sr_nentries & 0x3f ) == 0x3f ) &&
		ldap_pvt_thread_pool_pausing( &connection_pool ) > 0 )
	{
		rc = LDAP_BUSY;
		goto error_return;
	}

	/* eventually will loop through generated operational attribute types
	 * currently implemented types include:
	 *	entryDN, subschemaSubentry, and hasSubordinates */
	/* NOTE: moved before overlays callback circling because
	 * they may modify entry and other stuff in rs */
	/* check for special all operational attributes ("+") type */
	/* FIXME: maybe we could set this flag at the operation level;
	 * however, in principle the caller of send_search_entry() may
	 * change the attribute list at each call */
	rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );

	rc = backend_operational( op, rs );
	if ( rc ) {
		goto error_return;
	}

	if ( op->o_callback ) {
		rc = slap_response_play( op, rs );
		if ( rc != SLAP_CB_CONTINUE ) {
			goto error_return;
		}
	}

	Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
		op->o_connid, rs->sr_entry->e_name.bv_val,
		op->ors_attrsonly ? " (attrsOnly)" : "" );

	attrsonly = op->ors_attrsonly;

	if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
		Debug( LDAP_DEBUG_ACL,
			"send_search_entry: conn %lu access to entry (%s) not allowed\n",
			op->o_connid, rs->sr_entry->e_name.bv_val );

		rc = LDAP_INSUFFICIENT_ACCESS;
		goto error_return;
	}

	if ( op->o_res_ber ) {
		/* read back control or LDAP_CONNECTIONLESS */
	    ber = op->o_res_ber;
	} else {
		struct berval	bv;

		bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
		bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );

		ber_init2( ber, &bv, LBER_USE_DER );
		ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
	}

#ifdef LDAP_CONNECTIONLESS
	if ( op->o_conn && op->o_conn->c_is_udp ) {
		/* CONNECTIONLESS */
		if ( op->o_protocol == LDAP_VERSION2 ) {
	    	rc = ber_printf(ber, "t{O{" /*}}*/,
				LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
		} else {
	    	rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
				LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
		}
	} else
#endif
	if ( op->o_res_ber ) {
		/* read back control */
	    rc = ber_printf( ber, "t{O{" /*}}*/,
			LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
	} else {
	    rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
			LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
	}

	if ( rc == -1 ) {
		Debug( LDAP_DEBUG_ANY,
			"send_search_entry: conn %lu  ber_printf failed\n",
			op->o_connid );

		if ( op->o_res_ber == NULL ) ber_free_buf( ber );
		set_ldap_error( rs, LDAP_OTHER, "encoding DN error" );
		rc = rs->sr_err;
		goto error_return;
	}

	/* check for special all user attributes ("*") type */
	userattrs = SLAP_USERATTRS( rs->sr_attr_flags );

	/* create an array of arrays of flags. Each flag corresponds
	 * to particular value of attribute and equals 1 if value matches
	 * to ValuesReturnFilter or 0 if not
	 */
	if ( op->o_vrFilter != NULL ) {
		int	k = 0;
		size_t	size;

		for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
			for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
		}

		size = i * sizeof(char *) + k;
		if ( size > 0 ) {
			char	*a_flags;
			e_flags = slap_sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
			if( e_flags == NULL ) {
		    	Debug( LDAP_DEBUG_ANY,
					"send_search_entry: conn %lu slap_sl_calloc failed\n",
					op->o_connid );
				ber_free( ber, 1 );

				set_ldap_error( rs, LDAP_OTHER, "out of memory" );
				goto error_return;
			}
			a_flags = (char *)(e_flags + i);
			memset( a_flags, 0, k );
			for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
				for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
				e_flags[i] = a_flags;
				a_flags += j;
			}

			rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
			if ( rc == -1 ) {
			    	Debug( LDAP_DEBUG_ANY, "send_search_entry: "
					"conn %lu matched values filtering failed\n",
					op->o_connid );
				if ( op->o_res_ber == NULL ) ber_free_buf( ber );
				set_ldap_error( rs, LDAP_OTHER,
					"matched values filtering error" );
				rc = rs->sr_err;
				goto error_return;
			}
		}
	}

	for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
		AttributeDescription *desc = a->a_desc;
		int finish = 0;

		if ( rs->sr_attrs == NULL ) {
			/* all user attrs request, skip operational attributes */
			if( is_at_operational( desc->ad_type ) ) {
				continue;
			}

		} else {
			/* specific attrs requested */
			if ( is_at_operational( desc->ad_type ) ) {
				/* if not explicitly requested */
				if ( !ad_inlist( desc, rs->sr_attrs )) {
					/* if not all op attrs requested, skip */
					if ( !SLAP_OPATTRS( rs->sr_attr_flags ))
						continue;
					/* if DSA-specific and replicating, skip */
					if ( op->o_sync != SLAP_CONTROL_NONE &&
						desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
						continue;
				}
			} else {
				if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
					continue;
				}
			}
		}

		if ( attrsonly ) {
			if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
				ACL_READ, &acl_state ) )
			{
				Debug( LDAP_DEBUG_ACL, "send_search_entry: "
					"conn %lu access to attribute %s not allowed\n",
				        op->o_connid, desc->ad_cname.bv_val );
				continue;
			}

			if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
				Debug( LDAP_DEBUG_ANY,
					"send_search_entry: conn %lu  ber_printf failed\n",
					op->o_connid );

				if ( op->o_res_ber == NULL ) ber_free_buf( ber );
				set_ldap_error( rs, LDAP_OTHER,
					"encoding description error");
				rc = rs->sr_err;
				goto error_return;
			}
			finish = 1;

		} else {
			int first = 1;
			for ( i = 0; a->a_nvals[i].bv_val != NULL; i++ ) {
				if ( ! access_allowed( op, rs->sr_entry,
					desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
				{
					Debug( LDAP_DEBUG_ACL,
						"send_search_entry: conn %lu "
						"access to attribute %s, value #%d not allowed\n",
						op->o_connid, desc->ad_cname.bv_val, i );

					continue;
				}

				if ( op->o_vrFilter && e_flags[j][i] == 0 ){
					continue;
				}

				if ( first ) {
					first = 0;
					finish = 1;
					if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
						Debug( LDAP_DEBUG_ANY,
							"send_search_entry: conn %lu  ber_printf failed\n",
							op->o_connid );

						if ( op->o_res_ber == NULL ) ber_free_buf( ber );
						set_ldap_error( rs, LDAP_OTHER,
							"encoding description error");
						rc = rs->sr_err;
						goto error_return;
					}
				}
				if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
					Debug( LDAP_DEBUG_ANY,
						"send_search_entry: conn %lu  "
						"ber_printf failed.\n", op->o_connid );

					if ( op->o_res_ber == NULL ) ber_free_buf( ber );
					set_ldap_error( rs, LDAP_OTHER,
						"encoding values error" );
					rc = rs->sr_err;
					goto error_return;
				}
			}
		}

		if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
			Debug( LDAP_DEBUG_ANY,
				"send_search_entry: conn %lu ber_printf failed\n",
				op->o_connid );

			if ( op->o_res_ber == NULL ) ber_free_buf( ber );
			set_ldap_error( rs, LDAP_OTHER, "encode end error" );
			rc = rs->sr_err;
			goto error_return;
		}
	}

	/* NOTE: moved before overlays callback circling because
	 * they may modify entry and other stuff in rs */
	if ( rs->sr_operational_attrs != NULL && op->o_vrFilter != NULL ) {
		int	k = 0;
		size_t	size;

		for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
			for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
		}

		size = i * sizeof(char *) + k;
		if ( size > 0 ) {
			char	*a_flags, **tmp;

			/*
			 * Reuse previous memory - we likely need less space
			 * for operational attributes
			 */
			tmp = slap_sl_realloc( e_flags, i * sizeof(char *) + k,
				op->o_tmpmemctx );
			if ( tmp == NULL ) {
			    	Debug( LDAP_DEBUG_ANY,
					"send_search_entry: conn %lu "
					"not enough memory "
					"for matched values filtering\n",
					op->o_connid );
				if ( op->o_res_ber == NULL ) ber_free_buf( ber );
				set_ldap_error( rs, LDAP_OTHER,
					"not enough memory for matched values filtering" );
				goto error_return;
			}
			e_flags = tmp;
			a_flags = (char *)(e_flags + i);
			memset( a_flags, 0, k );
			for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
				for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
				e_flags[i] = a_flags;
				a_flags += j;
			}
			rc = filter_matched_values(op, rs->sr_operational_attrs, &e_flags) ;

			if ( rc == -1 ) {
			    	Debug( LDAP_DEBUG_ANY,
					"send_search_entry: conn %lu "
					"matched values filtering failed\n",
					op->o_connid);
				if ( op->o_res_ber == NULL ) ber_free_buf( ber );
				set_ldap_error( rs, LDAP_OTHER,
					"matched values filtering error" );
				rc = rs->sr_err;
				goto error_return;
			}
		}
	}

	for (a = rs->sr_operational_attrs, j=0; a != NULL; a = a->a_next, j++ ) {
		AttributeDescription *desc = a->a_desc;

		if ( rs->sr_attrs == NULL ) {
			/* all user attrs request, skip operational attributes */
			if( is_at_operational( desc->ad_type ) ) {
				continue;
			}

		} else {
			/* specific attrs requested */
			if( is_at_operational( desc->ad_type ) ) {
				if ( !SLAP_OPATTRS( rs->sr_attr_flags ) &&
					!ad_inlist( desc, rs->sr_attrs ) )
				{
					continue;
				}
				/* if DSA-specific and replicating, skip */
				if ( op->o_sync != SLAP_CONTROL_NONE &&
					desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
					continue;
			} else {
				if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
					continue;
				}
			}
		}

		if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
			ACL_READ, &acl_state ) )
		{
			Debug( LDAP_DEBUG_ACL,
				"send_search_entry: conn %lu "
				"access to attribute %s not allowed\n",
				op->o_connid, desc->ad_cname.bv_val );

			continue;
		}

		rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
		if ( rc == -1 ) {
			Debug( LDAP_DEBUG_ANY,
				"send_search_entry: conn %lu  "
				"ber_printf failed\n", op->o_connid );

			if ( op->o_res_ber == NULL ) ber_free_buf( ber );
			set_ldap_error( rs, LDAP_OTHER,
				"encoding description error" );
			rc = rs->sr_err;
			goto error_return;
		}

		if ( ! attrsonly ) {
			for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
				if ( ! access_allowed( op, rs->sr_entry,
					desc, &a->a_vals[i], ACL_READ, &acl_state ) )
				{
					Debug( LDAP_DEBUG_ACL,
						"send_search_entry: conn %lu "
						"access to %s, value %d not allowed\n",
						op->o_connid, desc->ad_cname.bv_val, i );

					continue;
				}

				if ( op->o_vrFilter && e_flags[j][i] == 0 ){
					continue;
				}

				if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
					Debug( LDAP_DEBUG_ANY,
						"send_search_entry: conn %lu  ber_printf failed\n",
						op->o_connid );

					if ( op->o_res_ber == NULL ) ber_free_buf( ber );
					set_ldap_error( rs, LDAP_OTHER,
						"encoding values error" );
					rc = rs->sr_err;
					goto error_return;
				}
			}
		}

		if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
			Debug( LDAP_DEBUG_ANY,
				"send_search_entry: conn %lu  ber_printf failed\n",
				op->o_connid );

			if ( op->o_res_ber == NULL ) ber_free_buf( ber );
			set_ldap_error( rs, LDAP_OTHER, "encode end error" );
			rc = rs->sr_err;
			goto error_return;
		}
	}

	/* free e_flags */
	if ( e_flags ) {
		slap_sl_free( e_flags, op->o_tmpmemctx );
		e_flags = NULL;
	}

	rc = ber_printf( ber, /*{{*/ "}N}" );

	if( rc != -1 ) {
		rc = send_ldap_controls( op, ber, rs->sr_ctrls );
	}

	if( rc != -1 ) {
#ifdef LDAP_CONNECTIONLESS
		if( op->o_conn && op->o_conn->c_is_udp ) {
			if ( op->o_protocol != LDAP_VERSION2 ) {
				rc = ber_printf( ber, /*{*/ "N}" );
			}
		} else
#endif
		if ( op->o_res_ber == NULL ) {
			rc = ber_printf( ber, /*{*/ "N}" );
		}
	}

	if ( rc == -1 ) {
		Debug( LDAP_DEBUG_ANY, "ber_printf failed\n" );

		if ( op->o_res_ber == NULL ) ber_free_buf( ber );
		set_ldap_error( rs, LDAP_OTHER, "encode entry end error" );
		rc = rs->sr_err;
		goto error_return;
	}

	Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
	    op->o_log_prefix, rs->sr_entry->e_nname.bv_val );

	rs_flush_entry( op, rs, NULL );

	if ( op->o_res_ber == NULL ) {
		bytes = send_ldap_ber( op, ber );
		ber_free_buf( ber );

		if ( bytes < 0 ) {
			Debug( LDAP_DEBUG_ANY,
				"send_search_entry: conn %lu  ber write failed.\n",
				op->o_connid );

			rc = LDAP_UNAVAILABLE;
			goto error_return;
		}
		rs->sr_nentries++;

		ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
		ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
		ldap_pvt_mp_add_ulong( op->o_counters->sc_entries, 1 );
		ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
		ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
	}

	Debug( LDAP_DEBUG_TRACE,
		"<= send_search_entry: conn %lu exit.\n", op->o_connid );

	rc = LDAP_SUCCESS;

error_return:;
	if ( op->o_callback ) {
		(void)slap_cleanup_play( op, rs );
	}

	if ( e_flags ) {
		slap_sl_free( e_flags, op->o_tmpmemctx );
	}

	/* FIXME: Can break if rs now contains an extended response */
	if ( rs->sr_operational_attrs ) {
		attrs_free( rs->sr_operational_attrs );
		rs->sr_operational_attrs = NULL;
	}
	rs->sr_attr_flags = SLAP_ATTRS_UNDEFINED;

	if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
		rs_flush_entry( op, rs, NULL );
	} else {
		RS_ASSERT( (rs->sr_flags & REP_ENTRY_MASK) == 0 );
	}

	if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
		rs->sr_flags ^= REP_CTRLS_MUSTBEFREED; /* paranoia */
		if ( rs->sr_ctrls ) {
			slap_free_ctrls( op, rs->sr_ctrls );
			rs->sr_ctrls = NULL;
		}
	}

	return( rc );
}