0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * Copyright (C) 2000, 2001, 2004, 2005, 2007, 2016 Internet Systems Consortium, Inc. ("ISC")
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * This Source Code Form is subject to the terms of the Mozilla Public
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * License, v. 2.0. If a copy of the MPL was not distributed with this
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * file, You can obtain one at http://mozilla.org/MPL/2.0/.
70e5a7403f0e0a3bd292b8287c5fed5772c15270Automatic Updater/* $Id: lwderror.c,v 1.12 2007/06/19 23:46:59 tbox Exp $ */
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * Generate an error packet for the client, schedule a send, and put us in
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * the SEND state.
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * The client->pkt structure will be modified to form an error return.
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * The receiver needs to verify that it is in fact an error, and do the
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * right thing with it. The opcode will be unchanged. The result needs
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * to be set before calling this function.
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * The only change this code makes is to set the receive buffer size to the
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * size we use, set the reply bit, and recompute any security information.
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellingtonns_lwdclient_errorpktsend(ns_lwdclient_t *client, isc_uint32_t _result) {
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * Since we are only sending the packet header, we can safely toss
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * the receive buffer. This means we won't need to allocate space
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington * for sending an error reply. This is a Good Thing.
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington client->pkt.length = LWRES_LWPACKET_LENGTH;
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington client->pkt.pktflags |= LWRES_LWPACKETFLAG_RESPONSE;
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington lwres_buffer_init(&b, client->buffer, LWRES_RECVLENGTH);
878d3073b13833ee1a50dfeabf8e400b6fdfc754Brian Wellington lwres = lwres_lwpacket_renderheader(&b, &client->pkt);