/contrib/bind9/bin/named/lwaddr.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 94 lines · 55 code · 15 blank · 24 comment · 16 complexity · e422a69962abf9bf541ea98e8e9b49cf MD5 · raw file
- /*
- * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 2000, 2001 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
- /* $Id: lwaddr.c,v 1.10 2008/01/11 23:46:56 tbox Exp $ */
- /*! \file */
- #include <config.h>
- #include <string.h>
- #include <isc/result.h>
- #include <isc/netaddr.h>
- #include <isc/sockaddr.h>
- #include <lwres/lwres.h>
- #include <named/lwaddr.h>
- /*%
- * Convert addresses from lwres to isc format.
- */
- isc_result_t
- lwaddr_netaddr_fromlwresaddr(isc_netaddr_t *na, lwres_addr_t *la) {
- if (la->family != LWRES_ADDRTYPE_V4 && la->family != LWRES_ADDRTYPE_V6)
- return (ISC_R_FAMILYNOSUPPORT);
- if (la->family == LWRES_ADDRTYPE_V4) {
- struct in_addr ina;
- memcpy(&ina.s_addr, la->address, 4);
- isc_netaddr_fromin(na, &ina);
- } else {
- struct in6_addr ina6;
- memcpy(&ina6.s6_addr, la->address, 16);
- isc_netaddr_fromin6(na, &ina6);
- }
- return (ISC_R_SUCCESS);
- }
- isc_result_t
- lwaddr_sockaddr_fromlwresaddr(isc_sockaddr_t *sa, lwres_addr_t *la,
- in_port_t port)
- {
- isc_netaddr_t na;
- isc_result_t result;
- result = lwaddr_netaddr_fromlwresaddr(&na, la);
- if (result != ISC_R_SUCCESS)
- return (result);
- isc_sockaddr_fromnetaddr(sa, &na, port);
- return (ISC_R_SUCCESS);
- }
- /*%
- * Convert addresses from isc to lwres format.
- */
- isc_result_t
- lwaddr_lwresaddr_fromnetaddr(lwres_addr_t *la, isc_netaddr_t *na) {
- if (na->family != AF_INET && na->family != AF_INET6)
- return (ISC_R_FAMILYNOSUPPORT);
- if (na->family == AF_INET) {
- la->family = LWRES_ADDRTYPE_V4;
- la->length = 4;
- memcpy(la->address, &na->type.in, 4);
- } else {
- la->family = LWRES_ADDRTYPE_V6;
- la->length = 16;
- memcpy(la->address, &na->type.in6, 16);
- }
- return (ISC_R_SUCCESS);
- }
- isc_result_t
- lwaddr_lwresaddr_fromsockaddr(lwres_addr_t *la, isc_sockaddr_t *sa) {
- isc_netaddr_t na;
- isc_netaddr_fromsockaddr(&na, sa);
- return (lwaddr_lwresaddr_fromnetaddr(la, &na));
- }