hostnamed: watch system hostname changes and update LLMNR RRs accordingly

[elogind.git] / src / resolve / resolved.h

diff --git a/src/resolve/resolved.h b/src/resolve/resolved.h
index 438730be6e3c7df6c4e86e715af1baf1b60c824a..34eb7b5c5abca5815fcf0963ac636c6860c40180 100644 (file)
--- a/src/resolve/resolved.h
+++ b/src/resolve/resolved.h
@@ -34,11 +34,14 @@ typedef struct Manager Manager;
 #include "resolved-dns-query.h"
 #include "resolved-dns-server.h"
 #include "resolved-dns-scope.h"
+#include "resolved-dns-stream.h"
 
 struct Manager {
         sd_event *event;
 
-        /* network */
+        bool use_llmnr:1;
+
+        /* Network */
         Hashmap *links;
 
         sd_rtnl *rtnl;
@@ -47,25 +50,50 @@ struct Manager {
         sd_network_monitor *network_monitor;
         sd_event_source *network_event_source;
 
-        /* unicast dns */
+        /* 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 */
         int dns_ipv4_fd;
         int dns_ipv6_fd;
 
         sd_event_source *dns_ipv4_event_source;
         sd_event_source *dns_ipv6_event_source;
 
-        Hashmap *dns_query_transactions;
-        LIST_HEAD(DnsQuery, dns_queries);
-
         LIST_HEAD(DnsServer, dns_servers);
         DnsServer *current_dns_server;
 
         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;
+
         /* dbus */
         sd_bus *bus;
         sd_event_source *bus_retry_event_source;
+
+        /* The hostname we publish on LLMNR and mDNS */
+        char *hostname;
+        DnsResourceKey *host_ipv4_key;
+        DnsResourceKey *host_ipv6_key;
+
+        /* Watch the system hostname */
+        int hostname_fd;
+        sd_event_source *hostname_event_source;
 };
 
 /* Manager */
@@ -76,21 +104,35 @@ Manager* manager_free(Manager *m);
 int manager_parse_config_file(Manager *m);
 int manager_write_resolv_conf(Manager *m);
 
-DnsServer* manager_find_dns_server(Manager *m, unsigned char family, union in_addr_union *in_addr);
+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);
 
-int manager_dns_ipv4_fd(Manager *m);
-int manager_dns_ipv4_send(Manager *m, DnsServer *srv, int ifindex, DnsPacket *p);
-int manager_dns_ipv4_recv(Manager *m, DnsPacket **ret);
+uint32_t manager_find_mtu(Manager *m);
+
+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_dns_ipv4_fd(Manager *m);
 int manager_dns_ipv6_fd(Manager *m);
-int manager_dns_ipv6_send(Manager *m, DnsServer *srv, int ifindex, DnsPacket *p);
-int manager_dns_ipv6_recv(Manager *m, DnsPacket **ret);
+int manager_llmnr_ipv4_udp_fd(Manager *m);
+int manager_llmnr_ipv6_udp_fd(Manager *m);
+int manager_llmnr_ipv4_tcp_fd(Manager *m);
+int manager_llmnr_ipv6_tcp_fd(Manager *m);
+
+int manager_ifindex_is_loopback(Manager *m, int ifindex);
+int manager_find_ifindex(Manager *m, int family, const union in_addr_union *in_addr);
+LinkAddress* manager_find_address(Manager *m, int family, const union in_addr_union *in_addr);
 
+void manager_refresh_rrs(Manager *m);
+int manager_next_hostname(Manager *m);
+
+int manager_our_packet(Manager *m, DnsPacket *p);
 int manager_connect_bus(Manager *m);
 
 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
 
 const struct ConfigPerfItem* resolved_gperf_lookup(const char *key, unsigned length);
 int config_parse_dnsv(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+
+#define EXTRA_CMSG_SPACE 1024