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-rw-r--r--src/grp-resolve/systemd-resolved/resolved-manager.h171
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diff --git a/src/grp-resolve/systemd-resolved/resolved-manager.h b/src/grp-resolve/systemd-resolved/resolved-manager.h
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+++ b/src/grp-resolve/systemd-resolved/resolved-manager.h
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+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Tom Gundersen <teg@jklm.no>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <systemd/sd-event.h>
+#include <systemd/sd-netlink.h>
+#include <systemd/sd-network.h>
+
+#include "hashmap.h"
+#include "list.h"
+#include "ordered-set.h"
+#include "resolve-util.h"
+
+typedef struct Manager Manager;
+
+#include "resolved-dns-query.h"
+#include "resolved-dns-search-domain.h"
+#include "resolved-dns-server.h"
+#include "resolved-dns-stream.h"
+#include "resolved-dns-trust-anchor.h"
+#include "resolved-link.h"
+
+#define MANAGER_SEARCH_DOMAINS_MAX 32
+#define MANAGER_DNS_SERVERS_MAX 32
+
+struct Manager {
+ sd_event *event;
+
+ ResolveSupport llmnr_support;
+ ResolveSupport mdns_support;
+ DnssecMode dnssec_mode;
+
+ /* Network */
+ Hashmap *links;
+
+ sd_netlink *rtnl;
+ sd_event_source *rtnl_event_source;
+
+ sd_network_monitor *network_monitor;
+ sd_event_source *network_event_source;
+
+ /* DNS query management */
+ Hashmap *dns_transactions;
+ LIST_HEAD(DnsQuery, dns_queries);
+ unsigned n_dns_queries;
+
+ LIST_HEAD(DnsStream, dns_streams);
+ unsigned n_dns_streams;
+
+ /* Unicast dns */
+ LIST_HEAD(DnsServer, dns_servers);
+ LIST_HEAD(DnsServer, fallback_dns_servers);
+ unsigned n_dns_servers; /* counts both main and fallback */
+ DnsServer *current_dns_server;
+
+ LIST_HEAD(DnsSearchDomain, search_domains);
+ unsigned n_search_domains;
+ bool permit_domain_search;
+
+ bool need_builtin_fallbacks:1;
+
+ bool read_resolv_conf:1;
+ usec_t resolv_conf_mtime;
+
+ DnsTrustAnchor trust_anchor;
+
+ LIST_HEAD(DnsScope, dns_scopes);
+ DnsScope *unicast_scope;
+
+ /* LLMNR */
+ int llmnr_ipv4_udp_fd;
+ int llmnr_ipv6_udp_fd;
+ int llmnr_ipv4_tcp_fd;
+ int llmnr_ipv6_tcp_fd;
+
+ sd_event_source *llmnr_ipv4_udp_event_source;
+ sd_event_source *llmnr_ipv6_udp_event_source;
+ sd_event_source *llmnr_ipv4_tcp_event_source;
+ sd_event_source *llmnr_ipv6_tcp_event_source;
+
+ /* mDNS */
+ int mdns_ipv4_fd;
+ int mdns_ipv6_fd;
+
+ sd_event_source *mdns_ipv4_event_source;
+ sd_event_source *mdns_ipv6_event_source;
+
+ /* dbus */
+ sd_bus *bus;
+ sd_event_source *bus_retry_event_source;
+
+ /* The hostname we publish on LLMNR and mDNS */
+ char *llmnr_hostname;
+ char *mdns_hostname;
+ DnsResourceKey *llmnr_host_ipv4_key;
+ DnsResourceKey *llmnr_host_ipv6_key;
+
+ /* Watch the system hostname */
+ int hostname_fd;
+ sd_event_source *hostname_event_source;
+
+ /* Watch for system suspends */
+ sd_bus_slot *prepare_for_sleep_slot;
+
+ sd_event_source *sigusr1_event_source;
+
+ unsigned n_transactions_total;
+ unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX];
+
+ /* Data from /etc/hosts */
+ Set* etc_hosts_by_address;
+ Hashmap* etc_hosts_by_name;
+ usec_t etc_hosts_last, etc_hosts_mtime;
+};
+
+/* Manager */
+
+int manager_new(Manager **ret);
+Manager* manager_free(Manager *m);
+
+int manager_start(Manager *m);
+
+uint32_t manager_find_mtu(Manager *m);
+
+int manager_write(Manager *m, int fd, DnsPacket *p);
+int manager_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *addr, uint16_t port, DnsPacket *p);
+int manager_recv(Manager *m, int fd, DnsProtocol protocol, DnsPacket **ret);
+
+int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr);
+LinkAddress* manager_find_link_address(Manager *m, int family, const union in_addr_union *in_addr);
+
+void manager_refresh_rrs(Manager *m);
+int manager_next_hostname(Manager *m);
+
+bool manager_our_packet(Manager *m, DnsPacket *p);
+DnsScope* manager_find_scope(Manager *m, DnsPacket *p);
+
+void manager_verify_all(Manager *m);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
+
+#define EXTRA_CMSG_SPACE 1024
+
+int manager_is_own_hostname(Manager *m, const char *name);
+
+int manager_compile_dns_servers(Manager *m, OrderedSet **servers);
+int manager_compile_search_domains(Manager *m, OrderedSet **domains);
+
+DnssecMode manager_get_dnssec_mode(Manager *m);
+bool manager_dnssec_supported(Manager *m);
+
+void manager_dnssec_verdict(Manager *m, DnssecVerdict verdict, const DnsResourceKey *key);
+
+bool manager_routable(Manager *m, int family);