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
|
// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2022 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
#ifndef OPENVPN_CLIENT_IPVERFLAGS_H
#define OPENVPN_CLIENT_IPVERFLAGS_H
#include <openvpn/addr/ip.hpp>
#include <openvpn/client/rgopt.hpp>
#include <openvpn/tun/builder/rgwflags.hpp>
namespace openvpn {
class IPVerFlags
{
public:
IPVerFlags(const OptionList &opt,
const IP::Addr::VersionMask ip_ver_flags)
: ip_ver_flags_(ip_ver_flags),
rg_flags_(opt),
api_flags_(0)
{
}
bool rgv4() const
{
return v4() && rg_flags_.redirect_gateway_ipv4_enabled();
}
bool rgv6() const
{
return v6() && rg_flags_.redirect_gateway_ipv6_enabled();
}
bool v4() const
{
return (ip_ver_flags_ & IP::Addr::V4_MASK) ? true : false;
}
bool v6() const
{
return (ip_ver_flags_ & IP::Addr::V6_MASK) ? true : false;
}
IP::Addr::VersionMask rg_ver_flags() const
{
IP::Addr::VersionMask flags = 0;
if (rgv4())
flags |= IP::Addr::V4_MASK;
if (rgv6())
flags |= IP::Addr::V6_MASK;
return flags;
}
IP::Addr::VersionMask ip_ver_flags() const
{
IP::Addr::VersionMask flags = 0;
if (v4())
flags |= IP::Addr::V4_MASK;
if (v6())
flags |= IP::Addr::V6_MASK;
return flags;
}
// these flags are passed to tun_builder_reroute_gw method
unsigned int api_flags() const
{
return api_flags_ | rg_flags_();
}
void set_emulate_exclude_routes()
{
api_flags_ |= RGWFlags::EmulateExcludeRoutes;
}
private:
const IP::Addr::VersionMask ip_ver_flags_;
const RedirectGatewayFlags rg_flags_;
unsigned int api_flags_;
};
} // namespace openvpn
#endif
|
