1 /* $NetBSD: lwdnoop.c,v 1.4 2014/12/10 04:37:51 christos Exp $ */ 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 32 void 33 ns_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