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Renamed LL-Analyzers to Packet Analyzers.

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Jan Grashoefer 2020-07-13 16:44:39 +02:00 • committed by Tim Wojtulewicz
parent b2e6c9ac9a
commit e53ec46c23
148 changed files with 587 additions and 587 deletions
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31
src/packet_analysis/protocol/vlan/VLAN.cc Normal file
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// See the file "COPYING" in the main distribution directory for copyright.
#include "VLAN.h"
#include "NetVar.h"
using namespace zeek::packet_analysis::VLAN;
VLANAnalyzer::VLANAnalyzer()
: zeek::packet_analysis::Analyzer("VLAN")
{
}
std::tuple<zeek::packet_analysis::AnalyzerResult, zeek::packet_analysis::identifier_t> VLANAnalyzer::Analyze(Packet* packet)
{
auto& pdata = packet->cur_pos;
if ( pdata + 4 >= packet->GetEndOfData() )
{
packet->Weird("truncated_VLAN_header");
return { AnalyzerResult::Failed, 0 };
}
auto& vlan_ref = packet->vlan != 0 ? packet->inner_vlan : packet->vlan;
vlan_ref = ((pdata[0] << 8u) + pdata[1]) & 0xfff;
identifier_t protocol = ((pdata[2] << 8u) + pdata[3]);
packet->eth_type = protocol;
pdata += 4; // Skip the VLAN header
return { AnalyzerResult::Continue, protocol };
}