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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
* |
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* Copyright (C) 2002-2017 OpenVPN Technologies, Inc. <sales@openvpn.net> |
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*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* packet filter functions */
#if defined(ENABLE_PF) && !defined(OPENVPN_PF_H)
#define OPENVPN_PF_H
#include "list.h"
#include "mroute.h"
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#define PF_MAX_LINE_LEN 256 |
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struct context;
struct ipv4_subnet { |
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bool exclude;
in_addr_t network;
in_addr_t netmask; |
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};
struct pf_subnet { |
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struct pf_subnet *next;
struct ipv4_subnet rule; |
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};
struct pf_subnet_set { |
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bool default_allow;
struct pf_subnet *list; |
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};
struct pf_cn { |
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bool exclude;
char *cn; |
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};
struct pf_cn_elem { |
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struct pf_cn_elem *next;
struct pf_cn rule; |
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};
struct pf_cn_set { |
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bool default_allow;
struct pf_cn_elem *list;
struct hash *hash_table; |
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};
struct pf_set { |
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bool kill;
struct pf_subnet_set sns;
struct pf_cn_set cns; |
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};
struct pf_context { |
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bool enabled;
struct pf_set *pfs; |
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#ifdef PLUGIN_PF |
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char *filename;
time_t file_last_mod;
unsigned int n_check_reload;
struct event_timeout reload; |
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#endif |
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};
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void pf_init_context(struct context *c); |
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void pf_destroy_context(struct pf_context *pfc); |
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#ifdef PLUGIN_PF |
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void pf_check_reload(struct context *c);
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#endif |
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#ifdef MANAGEMENT_PF |
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bool pf_load_from_buffer_list(struct context *c, const struct buffer_list *config);
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#endif |
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#ifdef ENABLE_DEBUG |
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void pf_context_print(const struct pf_context *pfc, const char *prefix, const int lev); |
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#endif |
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#endif /* if defined(ENABLE_PF) && !defined(OPENVPN_PF_H) */ |