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Check that we have first fragment before pulling up TCP/UDP header.

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This commit is contained in:
Gleb Smirnoff 2005-07-17 08:09:59 +00:00
parent 85ef2343c4
commit ed2fc9673b
1 changed files with 14 additions and 12 deletions
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2
sys/netgraph/netflow/ng_netflow.c
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@ -528,6 +528,7 @@ ng_netflow_rcvdata (hook_p hook, item_p item)
break; break;
} }
if ((ip->ip_off & htons(IP_OFFMASK)) == 0) {
/* /*
* In case of IP header with options, we haven't pulled * In case of IP header with options, we haven't pulled
* up enough, yet. * up enough, yet.
@ -542,6 +543,7 @@ ng_netflow_rcvdata (hook_p hook, item_p item)
M_CHECK(sizeof(struct udphdr)); M_CHECK(sizeof(struct udphdr));
break; break;
} }
}
switch (iface->info.ifinfo_dlt) { switch (iface->info.ifinfo_dlt) {
case DLT_EN10MB: case DLT_EN10MB: