/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef DNS_XFRIN_H #define DNS_XFRIN_H 1 /***** ***** Module Info *****/ /*! \file dns/xfrin.h * \brief * Incoming zone transfers (AXFR + IXFR). */ /*** *** Imports ***/ #include <isc/lang.h> #include <dns/types.h> /*** *** Types ***/ /*% * A transfer in progress. This is an opaque type. */ typedef struct dns_xfrin_ctx dns_xfrin_ctx_t; /*** *** Functions ***/ ISC_LANG_BEGINDECLS /*% see dns_xfrin_create2() */ isc_result_t dns_xfrin_create(dns_zone_t *zone, dns_rdatatype_t xfrtype, isc_sockaddr_t *masteraddr, dns_tsigkey_t *tsigkey, isc_mem_t *mctx, isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr, isc_task_t *task, dns_xfrindone_t done, dns_xfrin_ctx_t **xfrp); isc_result_t dns_xfrin_create2(dns_zone_t *zone, dns_rdatatype_t xfrtype, isc_sockaddr_t *masteraddr, isc_sockaddr_t *sourceaddr, dns_tsigkey_t *tsigkey, isc_mem_t *mctx, isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr, isc_task_t *task, dns_xfrindone_t done, dns_xfrin_ctx_t **xfrp); isc_result_t dns_xfrin_create3(dns_zone_t *zone, dns_rdatatype_t xfrtype, isc_sockaddr_t *masteraddr, isc_sockaddr_t *sourceaddr, isc_dscp_t dscp, dns_tsigkey_t *tsigkey, isc_mem_t *mctx, isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr, isc_task_t *task, dns_xfrindone_t done, dns_xfrin_ctx_t **xfrp); /*%< * Attempt to start an incoming zone transfer of 'zone' * from 'masteraddr', creating a dns_xfrin_ctx_t object to * manage it. Attach '*xfrp' to the newly created object. * * Iff ISC_R_SUCCESS is returned, '*done' is guaranteed to be * called in the context of 'task', with 'zone' and a result * code as arguments when the transfer finishes. * * Requires: *\li 'xfrtype' is dns_rdatatype_axfr, dns_rdatatype_ixfr * or dns_rdatatype_soa (soa query followed by axfr if * serial is greater than current serial). * *\li If 'xfrtype' is dns_rdatatype_ixfr or dns_rdatatype_soa, * the zone has a database. */ void dns_xfrin_shutdown(dns_xfrin_ctx_t *xfr); /*%< * If the zone transfer 'xfr' has already finished, * do nothing. Otherwise, abort it and cause it to call * its done callback with a status of ISC_R_CANCELED. */ void dns_xfrin_detach(dns_xfrin_ctx_t **xfrp); /*%< * Detach a reference to a zone transfer object. * Caller to maintain external locking if required. */ void dns_xfrin_attach(dns_xfrin_ctx_t *source, dns_xfrin_ctx_t **target); /*%< * Caller to maintain external locking if required. */ ISC_LANG_ENDDECLS #endif /* DNS_XFRIN_H */

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