- char *host;
-
- DBG(1, "Q -> %s %s\n", dns_type_string(q->type), name);
-
- switch (q->type) {
- case TYPE_ANY:
- host = service_name("local");
- if (!strcmp(name, host))
- service_reply(iface, NULL);
- break;
-
- case TYPE_PTR:
- service_announce_services(iface, name);
- service_reply(iface, name);
- break;
-
- case TYPE_AAAA:
- case TYPE_A:
- host = strstr(name, ".local");
- if (host)
- *host = '\0';
- if (!strcmp(hostname, name))
- service_reply_a(iface, q->type);
- break;
- };
-}
-
-static void
-read_socket(struct uloop_fd *u, unsigned int events)
-{
- struct interface *iface = container_of(u, struct interface, fd);
- static uint8_t buffer[8 * 1024];
- uint8_t *b = buffer;
- struct dns_header *h;
- int len, rlen;
-
- if (u->eof) {
- uloop_fd_delete(u);
- close(u->fd);
- u->fd = -1;
- uloop_timeout_set(&reconnect, 1000);
- return;
- }
-
- rlen = len = read(u->fd, buffer, sizeof(buffer));
- if (len < 1) {
- fprintf(stderr, "read failed: %s\n", strerror(errno));
- return;
- }
-
- h = dns_consume_header(&b, &rlen);
- if (!h) {
- fprintf(stderr, "dropping: bad header\n");
- return;
- }
-
- while (h->questions-- > 0) {
- char *name = dns_consume_name(buffer, len, &b, &rlen);
- struct dns_question *q;
-
- if (!name) {
- fprintf(stderr, "dropping: bad name\n");
- return;
- }
-
- q = dns_consume_question(&b, &rlen);
- if (!q) {
- fprintf(stderr, "dropping: bad question\n");
- return;
- }
-
- if (!(h->flags & FLAG_RESPONSE))
- parse_question(iface, name, q);
- }
-
- if (!(h->flags & FLAG_RESPONSE))
- return;
-
- while (h->answers-- > 0)
- parse_answer(iface, buffer, len, &b, &rlen, 1);
-
- while (h->authority-- > 0)
- parse_answer(iface, buffer, len, &b, &rlen, 0);
-
- while (h->additional-- > 0)
- parse_answer(iface, buffer, len, &b, &rlen, 1);
-}
-
-static void
-reconnect_socket(struct uloop_timeout *timeout)
-{
- cur_iface->fd.fd = usock(USOCK_UDP | USOCK_SERVER | USOCK_NONBLOCK, MCAST_ADDR, "5353");
- if (cur_iface->fd.fd < 0) {
- fprintf(stderr, "failed to add listener: %s\n", strerror(errno));
- uloop_timeout_set(&reconnect, 1000);
- } else {
- if (interface_socket_setup(cur_iface)) {
- uloop_timeout_set(&reconnect, 1000);
- cur_iface->fd.fd = -1;
- return;
- }
-
- uloop_fd_add(&cur_iface->fd, ULOOP_READ);
- sleep(5);
- dns_send_question(cur_iface, "_services._dns-sd._udp.local", TYPE_PTR);
- announce_init();
- }