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53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// See the file "COPYING" in the main distribution directory for copyright.
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#include "zeek/analyzer/protocol/krb/KRB_TCP.h"
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#include "zeek/analyzer/protocol/tcp/TCP_Reassembler.h"
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namespace zeek::analyzer::krb_tcp {
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KRB_Analyzer::KRB_Analyzer(Connection* conn) : analyzer::tcp::TCP_ApplicationAnalyzer("KRB_TCP", conn) {
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interp = new binpac::KRB_TCP::KRB_Conn(this);
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had_gap = false;
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}
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KRB_Analyzer::~KRB_Analyzer() { delete interp; }
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void KRB_Analyzer::Done() {
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analyzer::tcp::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 KRB_Analyzer::EndpointEOF(bool is_orig) {
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analyzer::tcp::TCP_ApplicationAnalyzer::EndpointEOF(is_orig);
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interp->FlowEOF(is_orig);
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}
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void KRB_Analyzer::DeliverStream(int len, const u_char* data, bool orig) {
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analyzer::tcp::TCP_ApplicationAnalyzer::DeliverStream(len, data, orig);
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if ( TCP() && TCP()->IsPartial() )
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return;
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if ( had_gap )
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// If only one side had a content gap, we could still try to
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// deliver data to the other side if the script layer can
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// handle this.
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return;
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try {
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interp->NewData(orig, data, data + len);
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} catch ( const binpac::Exception& e ) {
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AnalyzerViolation(util::fmt("Binpac exception: %s", e.c_msg()));
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}
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}
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void KRB_Analyzer::Undelivered(uint64_t seq, int len, bool orig) {
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analyzer::tcp::TCP_ApplicationAnalyzer::Undelivered(seq, len, orig);
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had_gap = true;
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interp->NewGap(orig, len);
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}
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} // namespace zeek::analyzer::krb_tcp
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