diff options
| -rw-r--r-- | llmnr.c | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -127,10 +127,14 @@ static void llmnr_respond(unsigned int ifindex, const struct llmnr_hdr *hdr, qtype = ntohs(*((uint16_t *)query_name_end)); qclass = ntohs(*((uint16_t *)query_name_end + 1)); - /* Ony IN queries supported */ + /* Only IN queries supported */ if (qclass != LLMNR_QCLASS_IN) return; + /* No AAAA responses if IPv6 is disabled */ + if (llmnr_sock_ipv6 < 0 && qtype == LLMNR_QTYPE_AAAA) + return; + switch (qtype) { case LLMNR_QTYPE_A: family = AF_INET; @@ -146,6 +150,9 @@ static void llmnr_respond(unsigned int ifindex, const struct llmnr_hdr *hdr, } n = iface_addr_lookup(ifindex, family, addrs, ARRAY_SIZE(addrs)); + /* Don't respond if no address was found for the given interface */ + if (n == 0) + return; /* * This is the max response length (i.e. using all IPv6 addresses and |