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Removing active mapping.

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This commit is contained in:
Robin Sommer 2011-03-14 18:31:17 -07:00
parent c92154994a
commit 57fe369c4e
8 changed files with 6 additions and 441 deletions
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29
src/Sessions.cc
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@ -15,7 +15,6 @@
#include "Timer.h"
#include "NetVar.h"
#include "Sessions.h"
#include "Active.h"
#include "OSFinger.h"
#include "ICMP.h"
@ -465,37 +464,9 @@ void NetSessions::DoNextPacket(double t, const struct pcap_pkthdr* hdr,
return;
}
// Check for TTL/MTU problems from Active Mapping
#ifdef ACTIVE_MAPPING
const NumericData* numeric = 0;
if ( ip4 )
{
get_map_result(ip4->ip_dst.s_addr, numeric);
if ( numeric->hops && ip4->ip_ttl < numeric->hops )
{
debug_msg("Packet destined for %s had ttl %d but there are %d hops to host.\n",
inet_ntoa(ip4->ip_dst), ip4->ip_ttl, numeric->hops);
return;
}
}
#endif
FragReassembler* f = 0;
uint32 frag_field = ip_hdr->FragField();
#ifdef ACTIVE_MAPPING
if ( ip4 && numeric && numeric->path_MTU && (frag_field & IP_DF) )
{
if ( htons(ip4->ip_len) > numeric->path_MTU )
{
debug_msg("Packet destined for %s has DF flag but its size %d is greater than pmtu of %d\n",
inet_ntoa(ip4->ip_dst), htons(ip4->ip_len), numeric->path_MTU);
return;
}
}
#endif
if ( (frag_field & 0x3fff) != 0 )
{
dump_this_packet = 1; // always record fragments