suricata
detect-pcre.h
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1 /* Copyright (C) 2007-2020 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 SURICATA_DETECT_PCRE_H
25 #define SURICATA_DETECT_PCRE_H
26 
27 #include "detect-parse.h"
28 
29 #define DETECT_PCRE_RELATIVE 0x00001
30 /* no-op other than in parsing */
31 #define DETECT_PCRE_RAWBYTES 0x00002
32 #define DETECT_PCRE_CASELESS 0x00004
33 
34 #define DETECT_PCRE_RELATIVE_NEXT 0x00040
35 #define DETECT_PCRE_NEGATE 0x00080
36 
37 #define DETECT_PCRE_CAPTURE_MAX 8
38 
39 #define SC_MATCH_LIMIT_DEFAULT 3500
40 #define SC_MATCH_LIMIT_RECURSION_DEFAULT 1500
41 
42 typedef struct DetectPcreData_ {
45 
46  uint16_t flags;
47  uint8_t idx;
51 
52 /* prototypes */
53 
55  const Signature *, const SigMatchData *,
56  Packet *, Flow *, const uint8_t *, uint32_t);
57 
58 void DetectPcreRegister (void);
59 
60 #endif /* SURICATA_DETECT_PCRE_H */
DetectPcreData_::idx
uint8_t idx
Definition: detect-pcre.h:47
DetectParseRegex
Definition: detect-parse.h:62
Flow_
Flow data structure.
Definition: flow.h:351
DetectPcreData
struct DetectPcreData_ DetectPcreData
DetectPcreData_::parse_regex
DetectParseRegex parse_regex
Definition: detect-pcre.h:43
DetectPcreData_::flags
uint16_t flags
Definition: detect-pcre.h:46
DETECT_PCRE_CAPTURE_MAX
#define DETECT_PCRE_CAPTURE_MAX
Definition: detect-pcre.h:37
SigMatchData_
Data needed for Match()
Definition: detect.h:356
DetectPcrePayloadMatch
int DetectPcrePayloadMatch(DetectEngineThreadCtx *, const Signature *, const SigMatchData *, Packet *, Flow *, const uint8_t *, uint32_t)
Match a regex on a single payload.
Definition: detect-pcre.c:175
DetectPcreData_::capids
uint32_t capids[DETECT_PCRE_CAPTURE_MAX]
Definition: detect-pcre.h:49
DetectEngineThreadCtx_
Definition: detect.h:1092
DetectPcreData_::thread_ctx_id
int thread_ctx_id
Definition: detect-pcre.h:44
Packet_
Definition: decode.h:437
DetectPcreData_::captypes
uint8_t captypes[DETECT_PCRE_CAPTURE_MAX]
Definition: detect-pcre.h:48
detect-parse.h
Signature_
Signature container.
Definition: detect.h:593
DetectPcreRegister
void DetectPcreRegister(void)
Definition: detect-pcre.c:96
DetectPcreData_
Definition: detect-pcre.h:42