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Fix printing of UDP and SCTP IPv6 packets.

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Unlike other protocols, these assumed an IP header length of
sizeof(struct ip).
This commit is contained in:
david
2011-06-14 19:46:46 +00:00
parent 257fe7bd84
commit bbf70e7f69
1 changed files with 2 additions and 2 deletions
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4
libnetutil/netutil.cc
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@@ -2398,7 +2398,7 @@ if (hdr.version == 4) { /* IPv4 */
} else if (hdr.proto == IPPROTO_UDP && frag_off) { } else if (hdr.proto == IPPROTO_UDP && frag_off) {
Snprintf(protoinfo, sizeof(protoinfo), "UDP %s:?? > %s:?? fragment %s (incomplete)", srchost, dsthost, ipinfo); Snprintf(protoinfo, sizeof(protoinfo), "UDP %s:?? > %s:?? fragment %s (incomplete)", srchost, dsthost, ipinfo);
} else if (hdr.proto == IPPROTO_UDP) { } else if (hdr.proto == IPPROTO_UDP) {
udp = (struct udp_hdr *) (packet + sizeof(struct ip)); udp = (struct udp_hdr *) data;
/* TODO: See if we can segfault if we receive a fragmented packet whose IP packet does not say a thing about fragmentation */ /* TODO: See if we can segfault if we receive a fragmented packet whose IP packet does not say a thing about fragmentation */
@@ -2422,7 +2422,7 @@ if (hdr.version == 4) { /* IPv4 */
} else if (hdr.proto == IPPROTO_SCTP && frag_off) { } else if (hdr.proto == IPPROTO_SCTP && frag_off) {
Snprintf(protoinfo, sizeof(protoinfo), "SCTP %s:?? > %s:?? fragment %s (incomplete)", srchost, dsthost, ipinfo); Snprintf(protoinfo, sizeof(protoinfo), "SCTP %s:?? > %s:?? fragment %s (incomplete)", srchost, dsthost, ipinfo);
} else if (hdr.proto == IPPROTO_SCTP) { } else if (hdr.proto == IPPROTO_SCTP) {
sctp = (struct sctp_hdr *) (packet + sizeof(struct ip)); sctp = (struct sctp_hdr *) data;
if( detail == LOW_DETAIL ){ if( detail == LOW_DETAIL ){
Snprintf(protoinfo, sizeof(protoinfo), "SCTP %s:%d > %s:%d %s", Snprintf(protoinfo, sizeof(protoinfo), "SCTP %s:%d > %s:%d %s",