#include <sys/stat.h>
#include <fcntl.h>
+#include <ifaddrs.h>
#include <time.h>
#include <stdio.h>
#include <unistd.h>
fprintf(stderr, "failed to send question\n");
}
+void
+dns_reply_a(struct interface *iface, int ttl)
+{
+ struct ifaddrs *ifap, *ifa;
+ struct sockaddr_in *sa;
+ struct sockaddr_in6 *sa6;
+
+ getifaddrs(&ifap);
+
+ dns_init_answer();
+ for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
+ if (strcmp(ifa->ifa_name, iface->name))
+ continue;
+ if (ifa->ifa_addr->sa_family == AF_INET) {
+ sa = (struct sockaddr_in *) ifa->ifa_addr;
+ dns_add_answer(TYPE_A, (uint8_t *) &sa->sin_addr, 4, ttl);
+ }
+ if (ifa->ifa_addr->sa_family == AF_INET6) {
+ uint8_t ll_prefix[] = {0xfe, 0x80 };
+ sa6 = (struct sockaddr_in6 *) ifa->ifa_addr;
+ if (!memcmp(&sa6->sin6_addr, &ll_prefix, 2))
+ dns_add_answer(TYPE_AAAA, (uint8_t *) &sa6->sin6_addr, 16, ttl);
+ }
+ }
+ dns_send_answer(iface, mdns_hostname_local);
+
+ freeifaddrs(ifap);
+}
+
static int
scan_name(const uint8_t *buffer, int len)
{
if (host)
*host = '\0';
if (!strcmp(mdns_hostname, name))
- service_reply_a(iface, announce_ttl);
+ dns_reply_a(iface, announce_ttl);
break;
};
}