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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* 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 */
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