resolved: respond to local resolver requests on 127.0.0.53:53

[thirdparty/systemd.git] / src / resolve / resolved-manager.h

diff --git a/src/resolve/resolved-manager.h b/src/resolve/resolved-manager.h
index 074ce6c63d99ad17ac3baef9991bb3b406902cbf..114fec79277298ac10f448b1a876b73698614641 100644 (file)
--- a/src/resolve/resolved-manager.h
+++ b/src/resolve/resolved-manager.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -27,26 +25,27 @@
 
 #include "hashmap.h"
 #include "list.h"
+#include "ordered-set.h"
+#include "resolve-util.h"
 
 typedef struct Manager Manager;
-typedef enum Support Support;
-
-enum Support {
-        SUPPORT_NO,
-        SUPPORT_YES,
-        SUPPORT_RESOLVE,
-        _SUPPORT_MAX,
-        _SUPPORT_INVALID = -1
-};
 
 #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;
 
-        Support llmnr_support;
+        ResolveSupport llmnr_support;
+        ResolveSupport mdns_support;
+        DnssecMode dnssec_mode;
 
         /* Network */
         Hashmap *links;
@@ -68,11 +67,19 @@ struct Manager {
         /* 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;
 
-        bool read_resolv_conf;
+        LIST_HEAD(DnsSearchDomain, search_domains);
+        unsigned n_search_domains;
+
+        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;
 
@@ -87,6 +94,13 @@ struct Manager {
         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;
@@ -105,6 +119,22 @@ struct Manager {
         sd_bus_slot *prepare_for_sleep_slot;
 
         sd_event_source *sigusr1_event_source;
+        sd_event_source *sigusr2_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;
+
+        /* Local DNS stub on 127.0.0.53:53 */
+        int dns_stub_udp_fd;
+        int dns_stub_tcp_fd;
+
+        sd_event_source *dns_stub_udp_event_source;
+        sd_event_source *dns_stub_tcp_event_source;
 };
 
 /* Manager */
@@ -113,18 +143,11 @@ int manager_new(Manager **ret);
 Manager* manager_free(Manager *m);
 
 int manager_start(Manager *m);
-int manager_read_resolv_conf(Manager *m);
-int manager_write_resolv_conf(Manager *m);
-
-DnsServer *manager_set_dns_server(Manager *m, DnsServer *s);
-DnsServer *manager_find_dns_server(Manager *m, int family, const union in_addr_union *in_addr);
-DnsServer *manager_get_dns_server(Manager *m);
-void manager_next_dns_server(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_send(Manager *m, int fd, int ifindex, int family, const union in_addr_union *destination, uint16_t port, const union in_addr_union *source, 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);
@@ -138,13 +161,22 @@ DnsScope* manager_find_scope(Manager *m, DnsPacket *p);
 
 void manager_verify_all(Manager *m);
 
-void manager_flush_dns_servers(Manager *m, DnsServerType t);
-
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 
 #define EXTRA_CMSG_SPACE 1024
 
 int manager_is_own_hostname(Manager *m, const char *name);
 
-const char* support_to_string(Support p) _const_;
-int support_from_string(const char *s) _pure_;
+int manager_compile_dns_servers(Manager *m, OrderedSet **servers);
+int manager_compile_search_domains(Manager *m, OrderedSet **domains, int filter_route);
+
+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);
+
+void manager_flush_caches(Manager *m);
+
+void manager_cleanup_saved_user(Manager *m);