1/*	$NetBSD$	*/
2
3/*
4 * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 2000, 2001  Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20/* Id: lwdnoop.c,v 1.13 2008/01/22 23:28:04 tbox Exp  */
21
22/*! \file */
23
24#include <config.h>
25
26#include <isc/socket.h>
27#include <isc/util.h>
28
29#include <named/types.h>
30#include <named/lwdclient.h>
31
32void
33ns_lwdclient_processnoop(ns_lwdclient_t *client, lwres_buffer_t *b) {
34	lwres_nooprequest_t *req;
35	lwres_noopresponse_t resp;
36	isc_result_t result;
37	lwres_result_t lwres;
38	isc_region_t r;
39	lwres_buffer_t lwb;
40
41	REQUIRE(NS_LWDCLIENT_ISRECVDONE(client));
42	INSIST(client->byaddr == NULL);
43
44	req = NULL;
45
46	result = lwres_nooprequest_parse(client->clientmgr->lwctx,
47					 b, &client->pkt, &req);
48	if (result != LWRES_R_SUCCESS)
49		goto send_error;
50
51	client->pkt.recvlength = LWRES_RECVLENGTH;
52	client->pkt.authtype = 0; /* XXXMLG */
53	client->pkt.authlength = 0;
54	client->pkt.result = LWRES_R_SUCCESS;
55
56	resp.datalength = req->datalength;
57	resp.data = req->data;
58
59	lwres = lwres_noopresponse_render(client->clientmgr->lwctx, &resp,
60					  &client->pkt, &lwb);
61	if (lwres != LWRES_R_SUCCESS)
62		goto cleanup_req;
63
64	r.base = lwb.base;
65	r.length = lwb.used;
66	client->sendbuf = r.base;
67	client->sendlength = r.length;
68	result = ns_lwdclient_sendreply(client, &r);
69	if (result != ISC_R_SUCCESS)
70		goto cleanup_lwb;
71
72	/*
73	 * We can now destroy request.
74	 */
75	lwres_nooprequest_free(client->clientmgr->lwctx, &req);
76
77	NS_LWDCLIENT_SETSEND(client);
78
79	return;
80
81 cleanup_lwb:
82	lwres_context_freemem(client->clientmgr->lwctx, lwb.base, lwb.length);
83
84 cleanup_req:
85	lwres_nooprequest_free(client->clientmgr->lwctx, &req);
86
87 send_error:
88	ns_lwdclient_errorpktsend(client, LWRES_R_FAILURE);
89}
90