/* * 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 https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef DNS_PEER_H #define DNS_PEER_H 1 /***** ***** Module Info *****/ /*! \file dns/peer.h * \brief * Data structures for peers (e.g. a 'server' config file statement) */ /*** *** Imports ***/ #include <inttypes.h> #include <stdbool.h> #include <isc/lang.h> #include <isc/magic.h> #include <isc/netaddr.h> #include <isc/refcount.h> #include <dns/types.h> #define DNS_PEERLIST_MAGIC ISC_MAGIC('s', 'e', 'R', 'L') #define DNS_PEER_MAGIC ISC_MAGIC('S', 'E', 'r', 'v') #define DNS_PEERLIST_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_PEERLIST_MAGIC) #define DNS_PEER_VALID(ptr) ISC_MAGIC_VALID(ptr, DNS_PEER_MAGIC) /*** *** Types ***/ struct dns_peerlist { unsigned int magic; isc_refcount_t refs; isc_mem_t *mem; ISC_LIST(dns_peer_t) elements; }; struct dns_peer { unsigned int magic; isc_refcount_t refs; isc_mem_t *mem; isc_netaddr_t address; unsigned int prefixlen; bool bogus; dns_transfer_format_t transfer_format; uint32_t transfers; bool support_ixfr; bool provide_ixfr; bool request_ixfr; bool support_edns; bool request_nsid; bool send_cookie; bool request_expire; bool force_tcp; bool tcp_keepalive; dns_name_t *key; isc_sockaddr_t *transfer_source; isc_dscp_t transfer_dscp; isc_sockaddr_t *notify_source; isc_dscp_t notify_dscp; isc_sockaddr_t *query_source; isc_dscp_t query_dscp; uint16_t udpsize; /* receive size */ uint16_t maxudp; /* transmit size */ uint16_t padding; /* pad block size */ uint8_t ednsversion; /* edns version */ uint32_t bitflags; ISC_LINK(dns_peer_t) next; }; /*** *** Functions ***/ ISC_LANG_BEGINDECLS isc_result_t dns_peerlist_new(isc_mem_t *mem, dns_peerlist_t **list); void dns_peerlist_attach(dns_peerlist_t *source, dns_peerlist_t **target); void dns_peerlist_detach(dns_peerlist_t **list); /* * After return caller still holds a reference to peer. */ void dns_peerlist_addpeer(dns_peerlist_t *peers, dns_peer_t *peer); /* * Ditto. */ isc_result_t dns_peerlist_peerbyaddr(dns_peerlist_t *peers, const isc_netaddr_t *addr, dns_peer_t **retval); /* * What he said. */ isc_result_t dns_peerlist_currpeer(dns_peerlist_t *peers, dns_peer_t **retval); isc_result_t dns_peer_new(isc_mem_t *mem, const isc_netaddr_t *ipaddr, dns_peer_t **peer); isc_result_t dns_peer_newprefix(isc_mem_t *mem, const isc_netaddr_t *ipaddr, unsigned int prefixlen, dns_peer_t **peer); void dns_peer_attach(dns_peer_t *source, dns_peer_t **target); void dns_peer_detach(dns_peer_t **list); isc_result_t dns_peer_setbogus(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getbogus(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setrequestixfr(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getrequestixfr(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setprovideixfr(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getprovideixfr(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setrequestnsid(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getrequestnsid(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setsendcookie(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getsendcookie(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setrequestexpire(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getrequestexpire(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setsupportedns(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getforcetcp(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_setforcetcp(dns_peer_t *peer, bool newval); isc_result_t dns_peer_gettcpkeepalive(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_settcpkeepalive(dns_peer_t *peer, bool newval); isc_result_t dns_peer_getsupportedns(dns_peer_t *peer, bool *retval); isc_result_t dns_peer_settransfers(dns_peer_t *peer, uint32_t newval); isc_result_t dns_peer_gettransfers(dns_peer_t *peer, uint32_t *retval); isc_result_t dns_peer_settransferformat(dns_peer_t *peer, dns_transfer_format_t newval); isc_result_t dns_peer_gettransferformat(dns_peer_t *peer, dns_transfer_format_t *retval); isc_result_t dns_peer_setkeybycharp(dns_peer_t *peer, const char *keyval); isc_result_t dns_peer_getkey(dns_peer_t *peer, dns_name_t **retval); isc_result_t dns_peer_setkey(dns_peer_t *peer, dns_name_t **keyval); isc_result_t dns_peer_settransfersource(dns_peer_t *peer, const isc_sockaddr_t *transfer_source); isc_result_t dns_peer_gettransfersource(dns_peer_t *peer, isc_sockaddr_t *transfer_source); isc_result_t dns_peer_setudpsize(dns_peer_t *peer, uint16_t udpsize); isc_result_t dns_peer_getudpsize(dns_peer_t *peer, uint16_t *udpsize); isc_result_t dns_peer_setmaxudp(dns_peer_t *peer, uint16_t maxudp); isc_result_t dns_peer_getmaxudp(dns_peer_t *peer, uint16_t *maxudp); isc_result_t dns_peer_setpadding(dns_peer_t *peer, uint16_t padding); isc_result_t dns_peer_getpadding(dns_peer_t *peer, uint16_t *padding); isc_result_t dns_peer_setnotifysource(dns_peer_t *peer, const isc_sockaddr_t *notify_source); isc_result_t dns_peer_getnotifysource(dns_peer_t *peer, isc_sockaddr_t *notify_source); isc_result_t dns_peer_setquerysource(dns_peer_t *peer, const isc_sockaddr_t *query_source); isc_result_t dns_peer_getquerysource(dns_peer_t *peer, isc_sockaddr_t *query_source); isc_result_t dns_peer_setnotifydscp(dns_peer_t *peer, isc_dscp_t dscp); isc_result_t dns_peer_getnotifydscp(dns_peer_t *peer, isc_dscp_t *dscpp); isc_result_t dns_peer_settransferdscp(dns_peer_t *peer, isc_dscp_t dscp); isc_result_t dns_peer_gettransferdscp(dns_peer_t *peer, isc_dscp_t *dscpp); isc_result_t dns_peer_setquerydscp(dns_peer_t *peer, isc_dscp_t dscp); isc_result_t dns_peer_getquerydscp(dns_peer_t *peer, isc_dscp_t *dscpp); isc_result_t dns_peer_setednsversion(dns_peer_t *peer, uint8_t ednsversion); isc_result_t dns_peer_getednsversion(dns_peer_t *peer, uint8_t *ednsversion); ISC_LANG_ENDDECLS #endif /* DNS_PEER_H */