1 #include <sys/socket.h>
4 #include <sys/utsname.h>
10 static void add_default_entries(flxServer *s) {
12 struct utsname utsname;
18 /* Fill in HINFO rr */
20 hinfo = g_strdup_printf("%s%c%s%n", g_strup(utsname.machine), 0, g_strup(utsname.sysname), &length);
22 flx_server_add_full(s, 0, 0, AF_UNSPEC, TRUE,
23 s->hostname, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_HINFO, hinfo, length+1, FLX_DEFAULT_TTL);
27 /* Add localhost entries */
28 flx_address_parse("127.0.0.1", AF_INET, &a);
29 flx_server_add_address(s, 0, 0, AF_UNSPEC, TRUE, "localhost", &a);
31 flx_address_parse("::1", AF_INET6, &a);
32 flx_server_add_address(s, 0, 0, AF_UNSPEC, TRUE, "ip6-localhost", &a);
35 flxServer *flx_server_new(GMainContext *c) {
39 s = g_new(flxServer, 1);
42 g_main_context_ref(s->context = c);
44 s->context = g_main_context_default();
47 s->rrset_by_id = g_hash_table_new(g_int_hash, g_int_equal);
48 s->rrset_by_name = g_hash_table_new((GHashFunc) flx_key_hash, (GEqualFunc) flx_key_equal);
50 FLX_LLIST_HEAD_INIT(flxEntry, s->entries);
52 s->monitor = flx_interface_monitor_new(s);
53 s->time_event_queue = flx_time_event_queue_new(s->context);
56 hn = flx_get_host_name();
57 if ((e = strchr(hn, '.')))
60 s->hostname = g_strdup_printf("%s.local.", hn);
63 add_default_entries(s);
68 void flx_server_free(flxServer* s) {
71 flx_interface_monitor_free(s->monitor);
73 flx_server_remove(s, 0);
75 g_hash_table_destroy(s->rrset_by_id);
76 g_hash_table_destroy(s->rrset_by_name);
78 flx_time_event_queue_free(s->time_event_queue);
79 g_main_context_unref(s->context);
85 gint flx_server_get_next_id(flxServer *s) {
88 return s->current_id++;
103 e = g_new(flxEntry, 1);
104 e->record = flx_record_ref(r);
106 e->interface = interface;
107 e->protocol = protocol;
110 FLX_LLIST_PREPEND(flxEntry, entry, s->entries, e);
112 /* Insert into hash table indexed by id */
113 t = g_hash_table_lookup(s->rrset_by_id, &e->id);
114 FLX_LLIST_PREPEND(flxEntry, by_id, t, e);
115 g_hash_table_replace(s->rrset_by_id, &e->id, t);
117 /* Insert into hash table indexed by name */
118 t = g_hash_table_lookup(s->rrset_by_name, e->record->key);
119 FLX_LLIST_PREPEND(flxEntry, by_name, t, e);
120 g_hash_table_replace(s->rrset_by_name, e->record->key, t);
123 void flx_server_add_full(
141 r = flx_record_new_full(name ? name : s->hostname, class, type, data, size, ttl);
142 flx_server_add(s, id, interface, protocol, unique, r);
146 const flxRecord *flx_server_iterate(flxServer *s, gint id, void **state) {
147 flxEntry **e = (flxEntry**) state;
152 *e = id > 0 ? (*e)->by_id_next : (*e)->entry_next;
154 *e = id > 0 ? g_hash_table_lookup(s->rrset_by_id, &id) : s->entries;
159 return flx_record_ref((*e)->record);
162 static void free_entry(flxServer*s, flxEntry *e) {
167 /* Remove from linked list */
168 FLX_LLIST_REMOVE(flxEntry, entry, s->entries, e);
170 /* Remove from hash table indexed by id */
171 t = g_hash_table_lookup(s->rrset_by_id, &e->id);
172 FLX_LLIST_REMOVE(flxEntry, by_id, t, e);
174 g_hash_table_replace(s->rrset_by_id, &t->id, t);
176 g_hash_table_remove(s->rrset_by_id, &e->id);
178 /* Remove from hash table indexed by name */
179 t = g_hash_table_lookup(s->rrset_by_name, e->record->key);
180 FLX_LLIST_REMOVE(flxEntry, by_name, t, e);
182 g_hash_table_replace(s->rrset_by_name, t->record->key, t);
184 g_hash_table_remove(s->rrset_by_name, e->record->key);
186 flx_record_unref(e->record);
190 void flx_server_remove(flxServer *s, gint id) {
195 free_entry(s, s->entries);
199 while ((e = g_hash_table_lookup(s->rrset_by_id, &id)))
204 void flx_server_dump(flxServer *s, FILE *f) {
209 for (e = s->entries; e; e = e->entry_next) {
212 t = flx_record_to_string(e->record);
213 fprintf(f, "%s\n", t);
218 void flx_server_add_address(
231 n = name ? flx_normalize_name(name) : s->hostname;
233 if (a->family == AF_INET) {
236 flx_server_add_full(s, id, interface, protocol, unique, n, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_A, &a->ipv4, sizeof(a->ipv4), FLX_DEFAULT_TTL);
238 r = flx_reverse_lookup_name_ipv4(&a->ipv4);
240 flx_server_add_full(s, id, interface, protocol, unique, r, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_PTR, n, strlen(n)+1, FLX_DEFAULT_TTL);
246 flx_server_add_full(s, id, interface, protocol, unique, n, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_AAAA, &a->ipv6, sizeof(a->ipv6), FLX_DEFAULT_TTL);
248 r = flx_reverse_lookup_name_ipv6_arpa(&a->ipv6);
250 flx_server_add_full(s, id, interface, protocol, unique, r, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_PTR, n, strlen(n)+1, FLX_DEFAULT_TTL);
253 r = flx_reverse_lookup_name_ipv6_int(&a->ipv6);
255 flx_server_add_full(s, id, interface, protocol, unique, r, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_PTR, n, strlen(n)+1, FLX_DEFAULT_TTL);
262 void flx_server_add_text(
274 flx_server_add_full(s, id, interface, protocol, unique, name, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_TXT, text, strlen(text), FLX_DEFAULT_TTL);
277 void flx_server_send_query(flxServer *s, gint interface, guchar protocol, flxKey *k) {
281 if (interface <= 0) {
284 for (i = flx_interface_monitor_get_first(s->monitor); i; i = i->interface_next)
285 flx_interface_send_query(i, protocol, k);
290 if (!(i = flx_interface_monitor_get_interface(s->monitor, interface)))
293 flx_interface_send_query(i, protocol, k);