+ if (flx_dns_packet_check_valid(p) < 0) {
+ g_warning("Recieved invalid packet.");
+ return;
+ }
+
+ flx_address_from_sockaddr(sa, &a);
+
+ if (flx_dns_packet_is_query(p)) {
+
+ if (flx_dns_packet_get_field(p, DNS_FIELD_QDCOUNT) == 0 ||
+ flx_dns_packet_get_field(p, DNS_FIELD_ARCOUNT) != 0 ||
+ flx_dns_packet_get_field(p, DNS_FIELD_NSCOUNT) != 0) {
+ g_warning("Invalid query packet.");
+ return;
+ }
+
+ handle_query(s, p, i, &a);
+ g_message("Handled query");
+ } else {
+ if (flx_dns_packet_get_field(p, DNS_FIELD_QDCOUNT) != 0 ||
+ flx_dns_packet_get_field(p, DNS_FIELD_ANCOUNT) == 0 ||
+ flx_dns_packet_get_field(p, DNS_FIELD_NSCOUNT) != 0) {
+ g_warning("Invalid response packet.");
+ return;
+ }
+
+ handle_response(s, p, i, &a);
+ g_message("Handled response");
+ }
+}
+
+static gboolean work(flxServer *s) {
+ struct sockaddr_in6 sa6;
+ struct sockaddr_in sa;
+ flxDnsPacket *p;
+ gint iface = -1;
+ guint8 ttl;
+
+ g_assert(s);
+
+ if (s->pollfd_ipv4.revents & G_IO_IN) {
+ if ((p = flx_recv_dns_packet_ipv4(s->fd_ipv4, &sa, &iface, &ttl)))
+ dispatch_packet(s, p, (struct sockaddr*) &sa, iface, ttl);
+ }
+
+ if (s->pollfd_ipv6.revents & G_IO_IN) {
+ if ((p = flx_recv_dns_packet_ipv6(s->fd_ipv6, &sa6, &iface, &ttl)))
+ dispatch_packet(s, p, (struct sockaddr*) &sa6, iface, ttl);
+ }
+
+ return TRUE;
+}
+
+static gboolean prepare_func(GSource *source, gint *timeout) {
+ g_assert(source);
+ g_assert(timeout);
+
+ *timeout = -1;
+ return FALSE;
+}
+
+static gboolean check_func(GSource *source) {
+ flxServer* s;
+ g_assert(source);
+
+ s = *((flxServer**) (((guint8*) source) + sizeof(GSource)));
+ g_assert(s);
+
+ return (s->pollfd_ipv4.revents | s->pollfd_ipv6.revents) & (G_IO_IN | G_IO_HUP | G_IO_ERR);
+}
+
+static gboolean dispatch_func(GSource *source, GSourceFunc callback, gpointer user_data) {
+ flxServer* s;
+ g_assert(source);
+
+ s = *((flxServer**) (((guint8*) source) + sizeof(GSource)));
+ g_assert(s);
+
+ return work(s);
+}
+
+static void add_default_entries(flxServer *s) {
+ gint length = 0;
+ struct utsname utsname;
+ gchar *hinfo;
+ flxAddress a;
+
+ g_assert(s);
+
+ /* Fill in HINFO rr */
+ uname(&utsname);
+ hinfo = g_strdup_printf("%s%c%s%n", g_strup(utsname.machine), 0, g_strup(utsname.sysname), &length);
+
+ flx_server_add_full(s, 0, 0, AF_UNSPEC, TRUE,
+ s->hostname, FLX_DNS_CLASS_IN, FLX_DNS_TYPE_HINFO, hinfo, length+1, FLX_DEFAULT_TTL);
+
+ g_free(hinfo);
+
+ /* Add localhost entries */
+ flx_address_parse("127.0.0.1", AF_INET, &a);
+ flx_server_add_address(s, 0, 0, AF_UNSPEC, TRUE, "localhost", &a);
+
+ flx_address_parse("::1", AF_INET6, &a);
+ flx_server_add_address(s, 0, 0, AF_UNSPEC, TRUE, "ip6-localhost", &a);