detect-flowvar.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	DetectFlowvarData_

Typedefs
typedef struct DetectFlowvarData_	DetectFlowvarData

Functions
void	DetectFlowvarRegister (void)
int	DetectFlowvarPostMatchSetup (DetectEngineCtx *de_ctx, Signature *s, uint32_t idx)
	Setup a post-match for flowvar storage We're piggyback riding the DetectFlowvarData struct. More...
int	DetectVarStoreMatch (DetectEngineThreadCtx *, uint32_t, uint8_t *, uint16_t, uint16_t)
	Store flowvar in det_ctx so we can exec it post-match. More...
int	DetectVarStoreMatchKeyValue (DetectEngineThreadCtx *, uint8_t *, uint16_t, uint8_t *, uint16_t, uint16_t)
	Store flowvar in det_ctx so we can exec it post-match. More...
void	DetectVarProcessListInternal (DetectVarList *fs, Flow *f, Packet *p)
	Handle flowvar candidate list in det_ctx: clean up the list. More...

Detailed Description

Author

Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Definition in file detect-flowvar.h.

Typedef Documentation

DetectFlowvarData

typedef struct DetectFlowvarData_ DetectFlowvarData

Function Documentation

DetectFlowvarPostMatchSetup()

int DetectFlowvarPostMatchSetup	(	DetectEngineCtx *	de_ctx,
		Signature *	s,
		uint32_t	idx
	)

Setup a post-match for flowvar storage We're piggyback riding the DetectFlowvarData struct.

Definition at line 257 of file detect-flowvar.c.

References de_ctx, DETECT_FLOWVAR_POSTMATCH, DETECT_SM_LIST_POSTMATCH, DetectFlowvarData_::idx, DetectFlowvarData_::post_match, SCCalloc, SCSigMatchAppendSMToList(), and unlikely.

Here is the call graph for this function:

DetectFlowvarRegister()

void DetectFlowvarRegister

(

void

)

Definition at line 54 of file detect-flowvar.c.

References DETECT_FLOWVAR, DetectFlowvarMatch(), SigTableElmt_::Match, SigTableElmt_::name, SigTableElmt_::Setup, and sigmatch_table.

Referenced by SigTableSetup().

Here is the call graph for this function:

Here is the caller graph for this function:

DetectVarProcessListInternal()

void DetectVarProcessListInternal	(	DetectVarList *	fs,
		Flow *	f,
		Packet *	p
	)

Handle flowvar candidate list in det_ctx: clean up the list.

Only called from DetectVarProcessList() when varlist is not NULL.

Definition at line 345 of file detect-flowvar.c.

References DetectVarList_::buffer, DetectVarList_::key, next, DetectVarList_::next, and SCFree.

DetectVarStoreMatch()

int DetectVarStoreMatch	(	DetectEngineThreadCtx *	,
		uint32_t	,
		uint8_t *	,
		uint16_t	,
		uint16_t
	)

Store flowvar in det_ctx so we can exec it post-match.

Definition at line 222 of file detect-flowvar.c.

References DetectVarList_::buffer, DetectVarList_::idx, len, DetectVarList_::len, DetectVarList_::next, SCCalloc, SCFree, type, DetectVarList_::type, unlikely, and DetectEngineThreadCtx_::varlist.

DetectVarStoreMatchKeyValue()

int DetectVarStoreMatchKeyValue	(	DetectEngineThreadCtx *	,
		uint8_t *	,
		uint16_t	,
		uint8_t *	,
		uint16_t	,
		uint16_t
	)

Store flowvar in det_ctx so we can exec it post-match.

Definition at line 203 of file detect-flowvar.c.

References DetectVarList_::buffer, DetectVarList_::key, DetectVarList_::key_len, len, DetectVarList_::len, DetectVarList_::next, SCCalloc, type, DetectVarList_::type, unlikely, and DetectEngineThreadCtx_::varlist.