1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* Copyright (C) 2020 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Jeff Lucovsky <jeff@lucovsky.org>
*/
#include "suricata-common.h"
#include "detect-byte.h"
#include "detect-byte-extract.h"
#include "detect-bytemath.h"
#include "rust.h"
/**
* \brief Used to retrieve args from BM.
*
* \param arg The name of the variable being sought
* \param s The signature to check for the variable
* \param index When found, the value of the slot within the byte vars
*
* \retval true A match for the variable was found.
* \retval false
*/
bool DetectByteRetrieveSMVar(const char *arg, const Signature *s, DetectByteIndexType *index)
{
SigMatch *bed_sm = DetectByteExtractRetrieveSMVar(arg, s);
if (bed_sm != NULL) {
*index = ((DetectByteExtractData *)bed_sm->ctx)->local_id;
return true;
}
SigMatch *bmd_sm = DetectByteMathRetrieveSMVar(arg, s);
if (bmd_sm != NULL) {
*index = ((DetectByteMathData *)bmd_sm->ctx)->local_id;
return true;
}
return false;
}
|
