1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
* 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.
*
* Copyright (C) 2002-2017 OpenVPN Technologies, Inc. <sales@openvpn.net>
*
* 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"
#define PF_MAX_LINE_LEN 256
struct context;
struct ipv4_subnet {
bool exclude;
in_addr_t network;
in_addr_t netmask;
};
struct pf_subnet {
struct pf_subnet *next;
struct ipv4_subnet rule;
};
struct pf_subnet_set {
bool default_allow;
struct pf_subnet *list;
};
struct pf_cn {
bool exclude;
char *cn;
};
struct pf_cn_elem {
struct pf_cn_elem *next;
struct pf_cn rule;
};
struct pf_cn_set {
bool default_allow;
struct pf_cn_elem *list;
struct hash *hash_table;
};
struct pf_set {
bool kill;
struct pf_subnet_set sns;
struct pf_cn_set cns;
};
struct pf_context {
bool enabled;
struct pf_set *pfs;
#ifdef PLUGIN_PF
char *filename;
time_t file_last_mod;
unsigned int n_check_reload;
struct event_timeout reload;
#endif
};
void pf_init_context(struct context *c);
void pf_destroy_context(struct pf_context *pfc);
#ifdef PLUGIN_PF
void pf_check_reload(struct context *c);
#endif
#ifdef MANAGEMENT_PF
bool pf_load_from_buffer_list(struct context *c, const struct buffer_list *config);
#endif
#ifdef ENABLE_DEBUG
void pf_context_print(const struct pf_context *pfc, const char *prefix, const int lev);
#endif
#endif /* if defined(ENABLE_PF) && !defined(OPENVPN_PF_H) */
|
