+
+int slap_read_controls(
+ Operation *op,
+ SlapReply *rs,
+ Entry *e,
+ const struct berval *oid,
+ LDAPControl **ctrl )
+{
+ int rc;
+ struct berval bv;
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *) &berbuf;
+ LDAPControl c;
+ ber_len_t siz, len;
+ Operation myop;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
+ oid->bv_val, e->e_dn, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
+ oid->bv_val, e->e_dn, 0 );
+#endif
+
+ rs->sr_entry = e;
+ rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
+ op->o_preread_attrs : op->o_postread_attrs;
+
+ entry_flatsize( rs->sr_entry, &siz, &len, 0 );
+ bv.bv_len = siz + len;
+ 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 );
+
+ /* create new operation */
+ myop = *op;
+ myop.o_bd = NULL;
+ myop.o_res_ber = ber;
+
+ rc = slap_send_search_entry( &myop, rs );
+ if( rc ) return rc;
+
+ rc = ber_flatten2( ber, &c.ldctl_value, 0 );
+
+ if( rc == LBER_ERROR ) return LDAP_OTHER;
+
+ c.ldctl_oid = oid->bv_val;
+ c.ldctl_iscritical = 0;
+
+ *ctrl = sl_calloc( 1, sizeof(LDAPControl), NULL );
+ **ctrl = c;
+ return LDAP_SUCCESS;
+}