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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* Copyright (C) 2007-2010 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 Victor Julien <victor@inliniac.net>
*/
#ifndef __UTIL_VAR_H__
#define __UTIL_VAR_H__
enum VarTypes {
VAR_TYPE_NOT_SET,
VAR_TYPE_PKT_BIT,
VAR_TYPE_PKT_INT,
VAR_TYPE_PKT_VAR,
VAR_TYPE_PKT_VAR_KV, // key-value
VAR_TYPE_FLOW_BIT,
VAR_TYPE_FLOW_INT,
VAR_TYPE_FLOW_VAR,
VAR_TYPE_HOST_BIT,
VAR_TYPE_HOST_INT,
VAR_TYPE_HOST_VAR,
VAR_TYPE_IPPAIR_BIT,
VAR_TYPE_IPPAIR_INT,
VAR_TYPE_IPPAIR_VAR,
};
typedef struct GenericVar_ {
uint8_t type;
uint8_t pad[3];
uint32_t idx;
struct GenericVar_ *next;
} GenericVar;
typedef struct XBit_ {
uint8_t type; /* type, DETECT_XBITS in this case */
uint8_t pad[3];
uint32_t idx; /* name idx */
GenericVar *next;
uint32_t expire;
} XBit;
void XBitFree(XBit *);
// A list of variables we try to resolve while parsing configuration file.
// Helps to detect recursive declarations.
typedef struct ResolvedVariable_ {
char var_name[256];
TAILQ_ENTRY(ResolvedVariable_) next;
} ResolvedVariable;
typedef TAILQ_HEAD(, ResolvedVariable_) ResolvedVariablesList;
void GenericVarFree(GenericVar *);
void GenericVarAppend(GenericVar **, GenericVar *);
void GenericVarRemove(GenericVar **, GenericVar *);
int AddVariableToResolveList(ResolvedVariablesList *list, const char *var);
void CleanVariableResolveList(ResolvedVariablesList *var_list);
#endif /* __UTIL_VAR_H__ */
|
