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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include <net/if.h>
#include "in-addr-util.h"
#include "ratelimit.h"
#include "resolve-util.h"
typedef struct Link Link;
typedef struct LinkAddress LinkAddress;
#include "resolved-dns-rr.h"
#include "resolved-dns-scope.h"
#include "resolved-dns-search-domain.h"
#include "resolved-dns-server.h"
#include "resolved-manager.h"
#define LINK_SEARCH_DOMAINS_MAX 32
#define LINK_DNS_SERVERS_MAX 32
struct LinkAddress {
Link *link;
int family;
union in_addr_union in_addr;
unsigned char flags, scope;
DnsResourceRecord *llmnr_address_rr;
DnsResourceRecord *llmnr_ptr_rr;
DnsResourceRecord *mdns_address_rr;
DnsResourceRecord *mdns_ptr_rr;
LIST_FIELDS(LinkAddress, addresses);
};
struct Link {
Manager *manager;
int ifindex;
unsigned flags;
LIST_HEAD(LinkAddress, addresses);
unsigned n_addresses;
LIST_HEAD(DnsServer, dns_servers);
DnsServer *current_dns_server;
unsigned n_dns_servers;
LIST_HEAD(DnsSearchDomain, search_domains);
unsigned n_search_domains;
ResolveSupport llmnr_support;
ResolveSupport mdns_support;
DnsOverTlsMode dns_over_tls_mode;
DnssecMode dnssec_mode;
Set *dnssec_negative_trust_anchors;
DnsScope *unicast_scope;
DnsScope *llmnr_ipv4_scope;
DnsScope *llmnr_ipv6_scope;
DnsScope *mdns_ipv4_scope;
DnsScope *mdns_ipv6_scope;
bool is_managed;
char name[IF_NAMESIZE];
uint32_t mtu;
uint8_t operstate;
bool loaded;
char *state_file;
bool unicast_relevant;
};
int link_new(Manager *m, Link **ret, int ifindex);
Link *link_free(Link *l);
int link_process_rtnl(Link *l, sd_netlink_message *m);
int link_update(Link *l);
bool link_relevant(Link *l, int family, bool local_multicast);
LinkAddress* link_find_address(Link *l, int family, const union in_addr_union *in_addr);
void link_add_rrs(Link *l, bool force_remove);
void link_flush_settings(Link *l);
void link_set_dnssec_mode(Link *l, DnssecMode mode);
void link_set_dns_over_tls_mode(Link *l, DnsOverTlsMode mode);
void link_allocate_scopes(Link *l);
DnsServer* link_set_dns_server(Link *l, DnsServer *s);
DnsServer* link_get_dns_server(Link *l);
void link_next_dns_server(Link *l);
DnssecMode link_get_dnssec_mode(Link *l);
bool link_dnssec_supported(Link *l);
DnsOverTlsMode link_get_dns_over_tls_mode(Link *l);
int link_save_user(Link *l);
int link_load_user(Link *l);
void link_remove_user(Link *l);
int link_address_new(Link *l, LinkAddress **ret, int family, const union in_addr_union *in_addr);
LinkAddress *link_address_free(LinkAddress *a);
int link_address_update_rtnl(LinkAddress *a, sd_netlink_message *m);
bool link_address_relevant(LinkAddress *l, bool local_multicast);
void link_address_add_rrs(LinkAddress *a, bool force_remove);
DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
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