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38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
// See the file "COPYING" in the main distribution directory for copyright.
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#include "zeek/analyzer/protocol/modbus/Modbus.h"
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#include "zeek/analyzer/protocol/modbus/events.bif.h"
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#include "zeek/analyzer/protocol/tcp/TCP_Reassembler.h"
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namespace zeek::analyzer::modbus {
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ModbusTCP_Analyzer::ModbusTCP_Analyzer(Connection* c) : TCP_ApplicationAnalyzer("MODBUS", c) {
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interp = new binpac::ModbusTCP::ModbusTCP_Conn(this);
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}
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ModbusTCP_Analyzer::~ModbusTCP_Analyzer() { delete interp; }
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void ModbusTCP_Analyzer::Done() {
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TCP_ApplicationAnalyzer::Done();
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interp->FlowEOF(true);
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interp->FlowEOF(false);
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}
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void ModbusTCP_Analyzer::DeliverStream(int len, const u_char* data, bool orig) {
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TCP_ApplicationAnalyzer::DeliverStream(len, data, orig);
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interp->NewData(orig, data, data + len);
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}
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void ModbusTCP_Analyzer::Undelivered(uint64_t seq, int len, bool orig) {
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TCP_ApplicationAnalyzer::Undelivered(seq, len, orig);
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interp->NewGap(orig, len);
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}
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void ModbusTCP_Analyzer::EndpointEOF(bool is_orig) {
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TCP_ApplicationAnalyzer::EndpointEOF(is_orig);
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interp->FlowEOF(is_orig);
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}
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} // namespace zeek::analyzer::modbus
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