89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/* $NetBSD: npf_var.h,v 1.6 2012/11/26 20:34:28 rmind Exp $ */
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/*-
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* Copyright (c) 2011-2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _NPF_VAR_H_
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#define _NPF_VAR_H_
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#define NPFVAR_STRING 0
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#define NPFVAR_IDENTIFIER 1
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#define NPFVAR_VAR_ID 2
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#define NPFVAR_NUM 3
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#define NPFVAR_PORT_RANGE 4
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/* Note: primitive types are equivalent. */
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#define NPFVAR_PRIM NPFVAR_PORT_RANGE
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#define NPFVAR_TYPE(x) (((x) > NPFVAR_PRIM) ? (x) : 0)
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#define NPFVAR_TABLE 5
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#define NPFVAR_FAM 6
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#define NPFVAR_PROC 7
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#define NPFVAR_PROC_PARAM 8
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#define NPFVAR_TCPFLAG 9
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#define NPFVAR_ICMP 10
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#define NPFVAR_ICMP6 11
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#define NPFVAR_INTERFACE 12
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#ifdef _NPFVAR_PRIVATE
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static const char *npfvar_types[ ] = {
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[NPFVAR_STRING] = "string",
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[NPFVAR_IDENTIFIER] = "identifier",
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[NPFVAR_VAR_ID] = "variable-id",
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[NPFVAR_NUM] = "number",
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[NPFVAR_PORT_RANGE] = "port-range",
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[NPFVAR_TABLE] = "table",
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[NPFVAR_FAM] = "family-address-mask",
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[NPFVAR_PROC] = "procedure",
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[NPFVAR_PROC_PARAM] = "procedure-parameter",
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[NPFVAR_TCPFLAG] = "tcp-flag",
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[NPFVAR_ICMP] = "icmp",
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[NPFVAR_ICMP6] = "icmp6",
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[NPFVAR_INTERFACE] = "interface"
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};
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#endif
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struct npfvar;
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typedef struct npfvar npfvar_t;
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npfvar_t * npfvar_create(const char *);
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npfvar_t * npfvar_lookup(const char *);
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const char * npfvar_type(size_t);
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void npfvar_add(npfvar_t *);
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npfvar_t * npfvar_add_element(npfvar_t *, int, const void *, size_t);
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npfvar_t * npfvar_add_elements(npfvar_t *, npfvar_t *);
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void npfvar_destroy(npfvar_t *);
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char * npfvar_expand_string(const npfvar_t *);
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size_t npfvar_get_count(const npfvar_t *);
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int npfvar_get_type(const npfvar_t *, size_t);
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void * npfvar_get_data(const npfvar_t *, int, size_t);
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#endif
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