suricata
detect-tcpmss.h
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1 /* Copyright (C) 2007-2019 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_TCPMSS_H
25 #define _DETECT_TCPMSS_H
26 
27 #define DETECT_TCPMSS_LT 0 /**< "less than" operator */
28 #define DETECT_TCPMSS_EQ 1 /**< "equals" operator (default) */
29 #define DETECT_TCPMSS_GT 2 /**< "greater than" operator */
30 #define DETECT_TCPMSS_RA 3 /**< "range" operator */
31 
32 typedef struct DetectTcpmssData_ {
33  uint16_t arg1; /**< first arg value in the signature*/
34  uint16_t arg2; /**< second arg value in the signature, in case of range
35  operator*/
36  uint8_t mode; /**< operator used in the signature */
38 
39 void DetectTcpmssRegister(void);
40 
41 #endif /* _DETECT_TCPMSS_H */
struct DetectTcpmssData_ DetectTcpmssData
void DetectTcpmssRegister(void)
Registration function for tcpmss: keyword.
Definition: detect-tcpmss.c:56