1/* 2 * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 2000, 2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18/* $Id: lwaddr.c,v 1.10 2008/01/11 23:46:56 tbox Exp $ */ 19 20/*! \file */ 21 22#include <config.h> 23 24#include <string.h> 25 26#include <isc/result.h> 27#include <isc/netaddr.h> 28#include <isc/sockaddr.h> 29 30#include <lwres/lwres.h> 31 32#include <named/lwaddr.h> 33 34/*% 35 * Convert addresses from lwres to isc format. 36 */ 37isc_result_t 38lwaddr_netaddr_fromlwresaddr(isc_netaddr_t *na, lwres_addr_t *la) { 39 if (la->family != LWRES_ADDRTYPE_V4 && la->family != LWRES_ADDRTYPE_V6) 40 return (ISC_R_FAMILYNOSUPPORT); 41 42 if (la->family == LWRES_ADDRTYPE_V4) { 43 struct in_addr ina; 44 memcpy(&ina.s_addr, la->address, 4); 45 isc_netaddr_fromin(na, &ina); 46 } else { 47 struct in6_addr ina6; 48 memcpy(&ina6.s6_addr, la->address, 16); 49 isc_netaddr_fromin6(na, &ina6); 50 } 51 return (ISC_R_SUCCESS); 52} 53 54isc_result_t 55lwaddr_sockaddr_fromlwresaddr(isc_sockaddr_t *sa, lwres_addr_t *la, 56 in_port_t port) 57{ 58 isc_netaddr_t na; 59 isc_result_t result; 60 61 result = lwaddr_netaddr_fromlwresaddr(&na, la); 62 if (result != ISC_R_SUCCESS) 63 return (result); 64 isc_sockaddr_fromnetaddr(sa, &na, port); 65 return (ISC_R_SUCCESS); 66} 67 68/*% 69 * Convert addresses from isc to lwres format. 70 */ 71 72isc_result_t 73lwaddr_lwresaddr_fromnetaddr(lwres_addr_t *la, isc_netaddr_t *na) { 74 if (na->family != AF_INET && na->family != AF_INET6) 75 return (ISC_R_FAMILYNOSUPPORT); 76 77 if (na->family == AF_INET) { 78 la->family = LWRES_ADDRTYPE_V4; 79 la->length = 4; 80 memcpy(la->address, &na->type.in, 4); 81 } else { 82 la->family = LWRES_ADDRTYPE_V6; 83 la->length = 16; 84 memcpy(la->address, &na->type.in6, 16); 85 } 86 return (ISC_R_SUCCESS); 87} 88 89isc_result_t 90lwaddr_lwresaddr_fromsockaddr(lwres_addr_t *la, isc_sockaddr_t *sa) { 91 isc_netaddr_t na; 92 isc_netaddr_fromsockaddr(&na, sa); 93 return (lwaddr_lwresaddr_fromnetaddr(la, &na)); 94} 95