suricata
detect-engine-iponly.h
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1 /* Copyright (C) 2007-2010 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_ENGINE_IPONLY_H__
25 #define __DETECT_ENGINE_IPONLY_H__
26 
27 /**
28  * SigNumArray is a bit array representing signatures
29  * it can be used linked to src/dst address to indicate
30  * which signatures apply to this addres
31  * at IP Only we store SigNumArrays at the radix trees
32  */
33 typedef struct SigNumArray_ {
34  uint8_t *array; /* bit array of sig nums */
35  uint32_t size; /* size in bytes of the array */
36 } SigNumArray;
37 
38 void IPOnlyCIDRListFree(IPOnlyCIDRItem *tmphead);
39 int IPOnlySigParseAddress(const DetectEngineCtx *, Signature *, const char *, char);
50 void IPOnlyRegisterTests(void);
51 
52 #endif /* __DETECT_ENGINE_IPONLY_H__ */
53 
void IPOnlyCIDRListFree(IPOnlyCIDRItem *tmphead)
This function free a IPOnlyCIDRItem list.
int IPOnlySigParseAddress(const DetectEngineCtx *, Signature *, const char *, char)
Parses an address group sent as a character string and updates the IPOnlyCIDRItem lists src and dst o...
void DetectEngineIPOnlyThreadDeinit(DetectEngineIPOnlyThreadCtx *)
Deinitialize the IP Only thread detection engine context.
struct SigNumArray_ SigNumArray
Signature container.
Definition: detect.h:517
void IPOnlyDeinit(DetectEngineCtx *, DetectEngineIPOnlyCtx *)
Deinitialize the IP Only detection engine context.
main detection engine ctx
Definition: detect.h:756
void IPOnlyAddSignature(DetectEngineCtx *, DetectEngineIPOnlyCtx *, Signature *)
Add a signature to the lists of Adrresses in CIDR format (sorted) this step is necesary to build the ...
void IPOnlyMatchPacket(ThreadVars *tv, const DetectEngineCtx *, DetectEngineThreadCtx *, const DetectEngineIPOnlyCtx *, DetectEngineIPOnlyThreadCtx *, Packet *)
Match a packet against the IP Only detection engine contexts.
void IPOnlyRegisterTests(void)
IP only rules matching ctx.
Definition: detect.h:664
void IPOnlyPrepare(DetectEngineCtx *)
Build the radix trees from the lists of parsed adresses in CIDR format the result should be 4 radix t...
void IPOnlyInit(DetectEngineCtx *, DetectEngineIPOnlyCtx *)
Setup the IP Only detection engine context.
void IPOnlyPrint(DetectEngineCtx *, DetectEngineIPOnlyCtx *)
Print stats of the IP Only engine.
void DetectEngineIPOnlyThreadInit(DetectEngineCtx *, DetectEngineIPOnlyThreadCtx *)
Setup the IP Only thread detection engine context.
Per thread variable structure.
Definition: threadvars.h:57