162 lines
5.8 KiB
C
162 lines
5.8 KiB
C
/* $NetBSD: npf.h,v 1.33 2016/12/27 20:32:58 rmind Exp $ */
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/*-
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* Copyright (c) 2011-2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This material is based upon work partially supported by The
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* NetBSD Foundation under a contract with Mindaugas Rasiukevicius.
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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_LIB_H_
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#define _NPF_LIB_H_
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#include <sys/types.h>
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#include <net/npf.h>
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__BEGIN_DECLS
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struct nl_config;
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struct nl_rule;
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struct nl_rproc;
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struct nl_table;
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struct nl_ext;
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typedef struct nl_config nl_config_t;
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typedef struct nl_rule nl_rule_t;
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typedef struct nl_rproc nl_rproc_t;
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typedef struct nl_table nl_table_t;
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typedef struct nl_rule nl_nat_t;
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typedef struct nl_ext nl_ext_t;
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typedef int (*npfext_initfunc_t)(void);
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typedef nl_ext_t *(*npfext_consfunc_t)(const char *);
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typedef int (*npfext_paramfunc_t)(nl_ext_t *, const char *, const char *);
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#ifdef _NPF_PRIVATE
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typedef void (*nl_rule_callback_t)(nl_rule_t *, unsigned);
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typedef void (*nl_table_callback_t)(unsigned, int);
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#endif
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#define NPF_MAX_TABLE_ID (16)
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nl_config_t * npf_config_create(void);
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void npf_config_destroy(nl_config_t *);
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int npf_config_submit(nl_config_t *, int, npf_error_t *);
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nl_config_t * npf_config_retrieve(int);
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int npf_config_flush(int);
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nl_config_t * npf_config_import(const void *, size_t);
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void * npf_config_export(nl_config_t *, size_t *);
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bool npf_config_active_p(nl_config_t *);
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bool npf_config_loaded_p(nl_config_t *);
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void * npf_config_build(nl_config_t *);
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int npf_ruleset_add(int, const char *, nl_rule_t *, uint64_t *);
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int npf_ruleset_remove(int, const char *, uint64_t);
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int npf_ruleset_remkey(int, const char *, const void *, size_t);
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int npf_ruleset_flush(int, const char *);
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nl_ext_t * npf_ext_construct(const char *name);
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void npf_ext_param_u32(nl_ext_t *, const char *, uint32_t);
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void npf_ext_param_bool(nl_ext_t *, const char *, bool);
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void npf_ext_param_string(nl_ext_t *, const char *, const char *);
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nl_rule_t * npf_rule_create(const char *, uint32_t, const char *);
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int npf_rule_setcode(nl_rule_t *, int, const void *, size_t);
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int npf_rule_setprio(nl_rule_t *, int);
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int npf_rule_setproc(nl_rule_t *, const char *);
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int npf_rule_setkey(nl_rule_t *, const void *, size_t);
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int npf_rule_setinfo(nl_rule_t *, const void *, size_t);
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bool npf_rule_exists_p(nl_config_t *, const char *);
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int npf_rule_insert(nl_config_t *, nl_rule_t *, nl_rule_t *);
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void * npf_rule_export(nl_rule_t *, size_t *);
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void npf_rule_destroy(nl_rule_t *);
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nl_rproc_t * npf_rproc_create(const char *);
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int npf_rproc_extcall(nl_rproc_t *, nl_ext_t *);
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bool npf_rproc_exists_p(nl_config_t *, const char *);
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int npf_rproc_insert(nl_config_t *, nl_rproc_t *);
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nl_nat_t * npf_nat_create(int, u_int, const char *,
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int, npf_addr_t *, npf_netmask_t, in_port_t);
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int npf_nat_insert(nl_config_t *, nl_nat_t *, int);
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int npf_nat_lookup(int, int, npf_addr_t *[2], in_port_t [2], int, int);
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nl_table_t * npf_table_create(const char *, u_int, int);
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int npf_table_add_entry(nl_table_t *, int,
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const npf_addr_t *, const npf_netmask_t);
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int npf_table_setdata(nl_table_t *, const void *, size_t);
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int npf_table_insert(nl_config_t *, nl_table_t *);
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void npf_table_destroy(nl_table_t *);
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#ifdef _NPF_PRIVATE
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#include <ifaddrs.h>
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nl_rule_t * npf_rule_iterate(nl_config_t *, unsigned *);
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const char * npf_rule_getname(nl_rule_t *);
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uint32_t npf_rule_getattr(nl_rule_t *);
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const char * npf_rule_getinterface(nl_rule_t *);
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const void * npf_rule_getinfo(nl_rule_t *, size_t *);
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const char * npf_rule_getproc(nl_rule_t *);
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uint64_t npf_rule_getid(nl_rule_t *);
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const void * npf_rule_getcode(nl_rule_t *, int *, size_t *);
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nl_table_t * npf_table_iterate(nl_config_t *);
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const char * npf_table_getname(nl_table_t *);
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unsigned npf_table_getid(nl_table_t *);
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int npf_table_gettype(nl_table_t *);
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nl_nat_t * npf_nat_iterate(nl_config_t *);
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int npf_nat_gettype(nl_nat_t *);
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unsigned npf_nat_getflags(nl_nat_t *);
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void npf_nat_getmap(nl_nat_t *, npf_addr_t *, size_t *, in_port_t *);
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int npf_nat_setalgo(nl_nat_t *, u_int);
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int npf_nat_setnpt66(nl_nat_t *, uint16_t);
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nl_rproc_t * npf_rproc_iterate(nl_config_t *);
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const char * npf_rproc_getname(nl_rproc_t *);
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int _npf_ruleset_list(int, const char *, nl_config_t *);
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void _npf_debug_addif(nl_config_t *, const char *);
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/* The ALG interface is experimental */
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int _npf_alg_load(nl_config_t *, const char *);
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int _npf_alg_unload(nl_config_t *, const char *);
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typedef int (*npf_conn_func_t)(unsigned, const npf_addr_t *,
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const in_port_t *, const char *, void *);
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int npf_conn_list(int, npf_conn_func_t, void *);
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#endif
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__END_DECLS
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#endif /* _NPF_LIB_H_ */
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