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* accessing * across * adding * additional * addresses * afterwards * analyzer * ancillary * answer * associated * attempts * because * belonging * buffer * cleanup * committed * connects * database * destination * destroy * distinguished * encoded * entries * entry * hopefully * image * include * incorrect * information * initial * initiate * interval * into * java * negotiation * nodes * nonexistent * ntlm * occasional * omitted * otherwise * ourselves * paragraphs * particular * perform * received * receiver * referring * release * repetitions * request * responded * retrieval * running * search * separate * separator * should * synchronization * target * that * the * threshold * timeout * transaction * transferred * transmission * triggered * vetoes * virtual Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
61 lines
2.1 KiB
Text
61 lines
2.1 KiB
Text
##! Enable logging of OCSP responses.
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module OCSP;
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export {
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redef enum Log::ID += { LOG };
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global log_policy: Log::PolicyHook;
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## The record type which contains the fields of the OCSP log.
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type Info: record {
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## Time when the OCSP reply was encountered.
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ts: time &log;
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## File id of the OCSP reply.
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id: string &log;
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## Hash algorithm used to generate issuerNameHash and issuerKeyHash.
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hashAlgorithm: string &log;
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## Hash of the issuer's distinguished name.
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issuerNameHash: string &log;
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## Hash of the issuer's public key.
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issuerKeyHash: string &log;
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## Serial number of the affected certificate.
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serialNumber: string &log;
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## Status of the affected certificate.
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certStatus: string &log;
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## Time at which the certificate was revoked.
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revoketime: time &log &optional;
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## Reason for which the certificate was revoked.
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revokereason: string &log &optional;
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## The time at which the status being shows is known to have been correct.
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thisUpdate: time &log;
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## The latest time at which new information about the status of the certificate will be available.
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nextUpdate: time &log &optional;
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};
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## Event that can be handled to access the OCSP record
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## as it is sent to the logging framework.
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global log_ocsp: event(rec: Info);
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}
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event zeek_init() &priority=5
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{
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Log::create_stream(LOG, [$columns=Info, $ev=log_ocsp, $path="ocsp", $policy=log_policy]);
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Files::register_for_mime_type(Files::ANALYZER_OCSP_REPLY, "application/ocsp-response");
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}
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event ocsp_response_certificate(f: fa_file, hashAlgorithm: string, issuerNameHash: string, issuerKeyHash: string, serialNumber: string, certStatus: string, revoketime: time, revokereason: string, thisUpdate: time, nextUpdate: time)
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{
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local wr = OCSP::Info($ts=f$info$ts, $id=f$id, $hashAlgorithm=hashAlgorithm, $issuerNameHash=issuerNameHash,
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$issuerKeyHash=issuerKeyHash, $serialNumber=serialNumber, $certStatus=certStatus,
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$thisUpdate=thisUpdate);
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if ( revokereason != "" )
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wr$revokereason = revokereason;
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if ( time_to_double(revoketime) != 0 )
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wr$revoketime = revoketime;
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if ( time_to_double(nextUpdate) != 0 )
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wr$nextUpdate = nextUpdate;
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Log::write(LOG, wr);
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}
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