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60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/** Copyright (c) 2009 Open Information Security Foundation.
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* \author Anoop Saldanha <poonaatsoc@gmail.com>
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*/
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#ifndef __DETECT_ENGINE_SIGORDER_H__
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#define __DETECT_ENGINE_SIGORDER_H__
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/**
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* \brief Different kinds of helper data that can be used by the signature
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* ordering module. Used by the "user" field in SCSigSignatureWrapper
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*/
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typedef enum{
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SC_RADIX_USER_DATA_FLOWBITS,
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SC_RADIX_USER_DATA_FLOWVAR,
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SC_RADIX_USER_DATA_PKTVAR,
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SC_RADIX_USER_DATA_MAX
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} SCRadixUserDataType;
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/**
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* \brief Signature wrapper used by signature ordering module while ordering
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* signatures
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*/
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typedef struct SCSigSignatureWrapper_ {
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/* the wrapped signature */
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Signature *sig;
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/* used as the lower limit SCSigSignatureWrapper that is used by the next
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* ordering function, which will order the incoming Sigwrapper after this
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* (min) wrapper */
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struct SCSigSignatureWrapper_ *min;
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/* used as the upper limit SCSigSignatureWrapper that is used by the next
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* ordering function, which will order the incoming Sigwrapper below this
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* (max) wrapper */
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struct SCSigSignatureWrapper_ *max;
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/* user data that is to be associated with this sigwrapper */
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int **user;
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struct SCSigSignatureWrapper_ *next;
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struct SCSigSignatureWrapper_ *prev;
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} SCSigSignatureWrapper;
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/**
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* \brief Structure holding the signature ordering function used by the
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* signature ordering module
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*/
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typedef struct SCSigOrderFunc_ {
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/* Pointer to the Signature Ordering function */
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void (*FuncPtr)(DetectEngineCtx *, SCSigSignatureWrapper *);
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struct SCSigOrderFunc_ *next;
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} SCSigOrderFunc;
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void SCSigOrderSignatures(DetectEngineCtx *);
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void SCSigRegisterSignatureOrderingFuncs(DetectEngineCtx *);
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void SCSigRegisterSignatureOrderingTests(void);
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void SCSigSignatureOrderingModuleCleanup(DetectEngineCtx *);
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#endif /* __DETECT_ENGINE_SIGORDER_H__ */
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