forked from osmocom/wireshark
109 lines
2.0 KiB
C
109 lines
2.0 KiB
C
/*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 2001 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef DFVM_H
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#define DFVM_H
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#include <stdio.h>
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#include <epan/proto.h>
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#include "dfilter-int.h"
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#include "syntax-tree.h"
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#include "drange.h"
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#include "dfunctions.h"
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typedef enum {
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EMPTY,
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FVALUE,
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HFINFO,
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INSN_NUMBER,
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REGISTER,
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INTEGER,
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DRANGE,
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FUNCTION_DEF
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} dfvm_value_type_t;
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typedef struct {
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dfvm_value_type_t type;
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union {
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fvalue_t *fvalue;
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guint32 numeric;
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drange_t *drange;
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header_field_info *hfinfo;
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df_func_def_t *funcdef;
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} value;
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} dfvm_value_t;
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typedef enum {
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IF_TRUE_GOTO,
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IF_FALSE_GOTO,
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CHECK_EXISTS,
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NOT,
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RETURN,
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READ_TREE,
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PUT_FVALUE,
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ANY_EQ,
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ANY_NE,
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ANY_GT,
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ANY_GE,
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ANY_LT,
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ANY_LE,
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ANY_BITWISE_AND,
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ANY_CONTAINS,
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ANY_MATCHES,
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MK_RANGE,
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CALL_FUNCTION
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} dfvm_opcode_t;
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typedef struct {
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int id;
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dfvm_opcode_t op;
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dfvm_value_t *arg1;
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dfvm_value_t *arg2;
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dfvm_value_t *arg3;
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dfvm_value_t *arg4;
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} dfvm_insn_t;
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dfvm_insn_t*
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dfvm_insn_new(dfvm_opcode_t op);
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void
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dfvm_insn_free(dfvm_insn_t *insn);
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dfvm_value_t*
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dfvm_value_new(dfvm_value_type_t type);
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void
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dfvm_dump(FILE *f, dfilter_t *df);
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gboolean
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dfvm_apply(dfilter_t *df, proto_tree *tree);
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void
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dfvm_init_const(dfilter_t *df);
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#endif
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