00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/* $NetBSD: lwaddr.c,v 1.5 2014/12/10 04:37:51 christos Exp $ */
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/*
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* Copyright (C) 2004, 2005, 2007, 2008, 2014 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 2000, 2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Id: lwaddr.c,v 1.10 2008/01/11 23:46:56 tbox Exp */
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/*! \file */
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#include <config.h>
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#include <string.h>
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#include <isc/result.h>
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#include <isc/netaddr.h>
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#include <isc/sockaddr.h>
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#include <lwres/lwres.h>
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#include <named/lwaddr.h>
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/*%
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* Convert addresses from lwres to isc format.
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*/
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isc_result_t
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lwaddr_netaddr_fromlwresaddr(isc_netaddr_t *na, lwres_addr_t *la) {
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if (la->family != LWRES_ADDRTYPE_V4 && la->family != LWRES_ADDRTYPE_V6)
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return (ISC_R_FAMILYNOSUPPORT);
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if (la->family == LWRES_ADDRTYPE_V4) {
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struct in_addr ina;
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memmove(&ina.s_addr, la->address, 4);
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isc_netaddr_fromin(na, &ina);
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} else {
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struct in6_addr ina6;
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memmove(&ina6.s6_addr, la->address, 16);
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isc_netaddr_fromin6(na, &ina6);
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}
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return (ISC_R_SUCCESS);
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}
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isc_result_t
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lwaddr_sockaddr_fromlwresaddr(isc_sockaddr_t *sa, lwres_addr_t *la,
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in_port_t port)
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{
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isc_netaddr_t na;
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isc_result_t result;
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result = lwaddr_netaddr_fromlwresaddr(&na, la);
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if (result != ISC_R_SUCCESS)
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return (result);
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isc_sockaddr_fromnetaddr(sa, &na, port);
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return (ISC_R_SUCCESS);
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}
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/*%
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* Convert addresses from isc to lwres format.
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*/
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isc_result_t
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lwaddr_lwresaddr_fromnetaddr(lwres_addr_t *la, isc_netaddr_t *na) {
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if (na->family != AF_INET && na->family != AF_INET6)
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return (ISC_R_FAMILYNOSUPPORT);
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if (na->family == AF_INET) {
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la->family = LWRES_ADDRTYPE_V4;
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la->length = 4;
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memmove(la->address, &na->type.in, 4);
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} else {
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la->family = LWRES_ADDRTYPE_V6;
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la->length = 16;
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memmove(la->address, &na->type.in6, 16);
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}
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return (ISC_R_SUCCESS);
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}
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isc_result_t
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lwaddr_lwresaddr_fromsockaddr(lwres_addr_t *la, isc_sockaddr_t *sa) {
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isc_netaddr_t na;
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isc_netaddr_fromsockaddr(&na, sa);
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return (lwaddr_lwresaddr_fromnetaddr(la, &na));
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}
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