suricata
detect-flowvar.h
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1 /* Copyright (C) 2007-2014 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Victor Julien <victor@inliniac.net>
22  */
23 
24 #ifndef __DETECT_FLOWVAR_H__
25 #define __DETECT_FLOWVAR_H__
26 
27 typedef struct DetectFlowvarData_ {
28  char *name;
29  uint32_t idx;
30  uint8_t *content;
31  uint8_t content_len;
32  uint8_t flags;
34 
35 /* prototypes */
36 void DetectFlowvarRegister (void);
37 
40  uint32_t, uint8_t *, uint16_t, int);
42  uint8_t *, uint16_t, uint8_t *, uint16_t, int);
43 
44 /* For use only by DetectFlowvarProcessList() */
46 static inline void DetectVarProcessList(DetectEngineThreadCtx *det_ctx, Flow *f, Packet *p)
47 {
48  DetectVarList *fs = det_ctx->varlist;
49 
50  SCLogDebug("flow %p det_ctx->varlist %p", f, fs);
51  if ((f || p) && fs != NULL) {
52  det_ctx->varlist = NULL;
54  }
55 }
56 
57 #endif /* __DETECT_FLOWVAR_H__ */
DetectVarStoreMatch
int DetectVarStoreMatch(DetectEngineThreadCtx *, uint32_t, uint8_t *, uint16_t, int)
Store flowvar in det_ctx so we can exec it post-match.
Definition: detect-flowvar.c:220
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:298
DetectFlowvarRegister
void DetectFlowvarRegister(void)
Definition: detect-flowvar.c:54
Flow_
Flow data structure.
Definition: flow.h:347
DetectVarList_
Definition: detect.h:658
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:767
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: detect-flowvar.c:256
DetectEngineThreadCtx_::varlist
DetectVarList * varlist
Definition: detect.h:1126
DetectFlowvarData
struct DetectFlowvarData_ DetectFlowvarData
de_ctx
DetectEngineCtx * de_ctx
Definition: fuzz_siginit.c:17
DetectEngineThreadCtx_
Definition: detect.h:1010
DetectFlowvarData_::flags
uint8_t flags
Definition: detect-flowvar.h:32
DetectFlowvarData_
Definition: detect-flowvar.h:27
DetectVarProcessListInternal
void DetectVarProcessListInternal(DetectVarList *fs, Flow *f, Packet *p)
Handle flowvar candidate list in det_ctx: clean up the list.
Definition: detect-flowvar.c:349
DetectVarStoreMatchKeyValue
int DetectVarStoreMatchKeyValue(DetectEngineThreadCtx *, uint8_t *, uint16_t, uint8_t *, uint16_t, int)
Store flowvar in det_ctx so we can exec it post-match.
Definition: detect-flowvar.c:200
Packet_
Definition: decode.h:414
DetectFlowvarData_::name
char * name
Definition: detect-flowvar.h:28
DetectFlowvarData_::content_len
uint8_t content_len
Definition: detect-flowvar.h:31
DetectFlowvarData_::content
uint8_t * content
Definition: detect-flowvar.h:30
DetectFlowvarData_::idx
uint32_t idx
Definition: detect-flowvar.h:29
Signature_
Signature container.
Definition: detect.h:528