DBG(1, "Q <- %s %s\n", dns_type_string(type), question);
if (interface_send_packet(iface, NULL, iov, ARRAY_SIZE(iov)) < 0)
- perror("failed to send question :");
+ perror("failed to send question");
}
}
if (interface_send_packet(iface, to, iov, n_iov) < 0)
- fprintf(stderr, "failed to send question\n");
+ perror("failed to send answer");
}
void
}
static void
-parse_question(struct interface *iface, char *name, struct dns_question *q)
+parse_question(struct interface *iface, struct sockaddr *from, char *name, struct dns_question *q)
{
+ struct sockaddr *to;
char *host;
- if ((q->class & CLASS_UNICAST) && iface->multicast)
+ /* TODO: Multicast if more than one quarter of TTL has passed */
+ if ((q->class & CLASS_UNICAST) && iface->multicast) {
iface = iface->peer;
+ to = from;
+ } else {
+ to = NULL;
+ }
DBG(1, "Q -> %s %s\n", dns_type_string(q->type), name);
switch (q->type) {
case TYPE_ANY:
if (!strcmp(name, mdns_hostname_local)) {
- service_reply(iface, NULL, announce_ttl);
- dns_reply_a(iface, NULL, announce_ttl);
+ dns_reply_a(iface, to, announce_ttl);
+ service_reply(iface, to, NULL, announce_ttl);
}
break;
case TYPE_PTR:
- if (!strcmp(name, sdudp)) {
- service_announce_services(iface, announce_ttl);
+ if (!strcmp(name, C_DNS_SD)) {
+ dns_reply_a(iface, to, announce_ttl);
+ service_announce_services(iface, to, announce_ttl);
} else {
/* First dot separates instance name from the rest */
char *dot = strchr(name, '.');
/* Make sure it's query for the instance name we use */
if (len && len == strlen(mdns_hostname) &&
!strncmp(name, mdns_hostname, len))
- service_reply(iface, dot + 1, announce_ttl);
+ service_reply(iface, to, dot + 1, announce_ttl);
}
break;
if (host)
*host = '\0';
if (!strcmp(mdns_hostname, name))
- dns_reply_a(iface, NULL, announce_ttl);
+ dns_reply_a(iface, to, announce_ttl);
break;
};
}
}
if (!(h->flags & FLAG_RESPONSE))
- parse_question(iface, name, q);
+ parse_question(iface, s, name, q);
}
if (!(h->flags & FLAG_RESPONSE))