diff options
| -rw-r--r-- | tap.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -610,6 +610,16 @@ resume: l4_len = htons(iph->tot_len) - hlen; + if (IN4_IS_ADDR_LOOPBACK(&iph->saddr) || + IN4_IS_ADDR_LOOPBACK(&iph->daddr)) { + char sstr[INET_ADDRSTRLEN], dstr[INET_ADDRSTRLEN]; + + debug("Loopback address on tap interface: %s -> %s", + inet_ntop(AF_INET, &iph->saddr, sstr, sizeof(sstr)), + inet_ntop(AF_INET, &iph->daddr, dstr, sizeof(dstr))); + continue; + } + if (iph->saddr && c->ip4.addr_seen.s_addr != iph->saddr) c->ip4.addr_seen.s_addr = iph->saddr; @@ -766,6 +776,15 @@ resume: if (!(l4h = ipv6_l4hdr(in, i, sizeof(*eh), &proto, &l4_len))) continue; + if (IN6_IS_ADDR_LOOPBACK(saddr) || IN6_IS_ADDR_LOOPBACK(daddr)) { + char sstr[INET6_ADDRSTRLEN], dstr[INET6_ADDRSTRLEN]; + + debug("Loopback address on tap interface: %s -> %s", + inet_ntop(AF_INET6, saddr, sstr, sizeof(sstr)), + inet_ntop(AF_INET6, daddr, dstr, sizeof(dstr))); + continue; + } + if (IN6_IS_ADDR_LINKLOCAL(saddr)) { c->ip6.addr_ll_seen = *saddr; |