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 Brian Rectanus <brectanu@gmail.com>
22  */
23 
24 #ifndef __DETECT_IPPROTO_H__
25 #define __DETECT_IPPROTO_H__
26 
27 /** IPProto Operators */
28 #define DETECT_IPPROTO_OP_EQ     '=' /**< "equals" operator (default) */
29 #define DETECT_IPPROTO_OP_NOT    '!' /**< "not" operator */
30 #define DETECT_IPPROTO_OP_LT     '<' /**< "less than" operator */
31 #define DETECT_IPPROTO_OP_GT     '>' /**< "greater than" operator */
32 
33 /** ip_proto data */
34 typedef struct DetectIPProtoData_ {
35     uint8_t op;                       /**< Operator used to compare */
36     uint8_t proto;                    /**< Protocol used to compare */
37 } DetectIPProtoData;
38 
39 /* prototypes */
40 
41 /**
42  * \brief Registration function for ip_proto keyword.
43  */
44 void DetectIPProtoRegister (void);
45 void DetectIPProtoRemoveAllSMs(DetectEngineCtx *, Signature *);
46 
47 #endif /* __DETECT_IPPROTO_H__ */
48 
49