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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* $Id: dfvm.h,v 1.6 2002/05/09 23:50:30 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 2001 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DFVM_H
#define DFVM_H
#include <stdio.h>
#include <epan/proto.h>
#include "dfilter-int.h"
#include "syntax-tree.h"
#include "drange.h"
typedef enum {
EMPTY,
FVALUE,
FIELD_ID,
INSN_NUMBER,
REGISTER,
INTEGER,
DRANGE
} dfvm_value_type_t;
typedef struct {
dfvm_value_type_t type;
union {
fvalue_t *fvalue;
guint32 numeric;
drange *drange;
} value;
} dfvm_value_t;
typedef enum {
IF_TRUE_GOTO,
IF_FALSE_GOTO,
CHECK_EXISTS,
NOT,
RETURN,
READ_TREE,
PUT_FVALUE,
ANY_EQ,
ANY_NE,
ANY_GT,
ANY_GE,
ANY_LT,
ANY_LE,
MK_RANGE
} dfvm_opcode_t;
typedef struct {
int id;
int LHS;
dfvm_opcode_t op;
dfvm_value_t *arg1;
dfvm_value_t *arg2;
dfvm_value_t *arg3;
dfvm_value_t *arg4;
} dfvm_insn_t;
dfvm_insn_t*
dfvm_insn_new(dfvm_opcode_t op);
void
dfvm_insn_free(dfvm_insn_t *insn);
dfvm_value_t*
dfvm_value_new(dfvm_value_type_t type);
void
dfvm_dump(FILE *f, GPtrArray *insns);
gboolean
dfvm_apply(dfilter_t *df, proto_tree *tree);
#endif
|
