2001-02-01 20:31:21 +00:00
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/*
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2006-05-21 05:12:17 +00:00
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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2001-02-01 20:31:21 +00:00
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* Copyright 2001 Gerald Combs
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2002-08-28 20:41:00 +00:00
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*
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2018-02-08 16:59:17 +00:00
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* SPDX-License-Identifier: GPL-2.0-or-later
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2001-02-01 20:31:21 +00:00
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*/
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2001-02-01 20:21:25 +00:00
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#ifndef DFVM_H
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#define DFVM_H
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2002-01-21 07:37:49 +00:00
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#include <epan/proto.h>
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2001-02-01 20:21:25 +00:00
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#include "dfilter-int.h"
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#include "syntax-tree.h"
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2001-02-27 19:23:30 +00:00
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#include "drange.h"
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2006-05-02 14:26:17 +00:00
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#include "dfunctions.h"
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2001-02-01 20:21:25 +00:00
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typedef enum {
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EMPTY,
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FVALUE,
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2002-10-16 16:32:59 +00:00
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HFINFO,
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2001-02-01 20:21:25 +00:00
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INSN_NUMBER,
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REGISTER,
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2001-02-27 19:23:30 +00:00
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INTEGER,
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2006-05-02 14:26:17 +00:00
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DRANGE,
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FUNCTION_DEF
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2001-02-01 20:21:25 +00:00
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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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2002-10-16 16:32:59 +00:00
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fvalue_t *fvalue;
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guint32 numeric;
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2013-03-05 06:16:45 +00:00
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drange_t *drange;
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2002-10-16 16:32:59 +00:00
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header_field_info *hfinfo;
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2006-05-02 14:26:17 +00:00
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df_func_def_t *funcdef;
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2001-02-01 20:21:25 +00:00
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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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2004-02-27 12:00:32 +00:00
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ANY_BITWISE_AND,
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2003-08-27 15:23:11 +00:00
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ANY_CONTAINS,
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2003-12-06 16:35:20 +00:00
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ANY_MATCHES,
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2006-05-02 14:26:17 +00:00
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MK_RANGE,
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2018-04-14 16:07:22 +00:00
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CALL_FUNCTION,
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ANY_IN_RANGE
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2002-08-28 20:41:00 +00:00
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2001-02-01 20:21:25 +00:00
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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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2012-02-29 05:58:45 +00:00
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dfvm_dump(FILE *f, dfilter_t *df);
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2001-02-01 20:21:25 +00:00
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gboolean
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2002-05-09 23:50:34 +00:00
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dfvm_apply(dfilter_t *df, proto_tree *tree);
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2001-02-01 20:21:25 +00:00
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2007-11-28 22:44:37 +00:00
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void
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dfvm_init_const(dfilter_t *df);
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2001-02-01 20:21:25 +00:00
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#endif
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