mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
synced 2026-04-24 00:00:05 +08:00
Sergey Abramchuk
e2ad2ab5d5
git-subtree-dir: Sources/OpenVPNAdapter/Libraries/Vendors/openvpn git-subtree-split: 554d8b88817d3a7b836e78940ed61bb11ed2bd9b
107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
// 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) 2012-2017 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/>.
|
|
|
|
// Emulate Excluded Routes implementation (needed by Android)
|
|
|
|
#ifndef OPENVPN_CLIENT_CLIEMUEXR_H
|
|
#define OPENVPN_CLIENT_CLIEMUEXR_H
|
|
|
|
#include <openvpn/common/exception.hpp>
|
|
#include <openvpn/tun/client/emuexr.hpp>
|
|
#include <openvpn/addr/routeinv.hpp>
|
|
|
|
namespace openvpn {
|
|
class EmulateExcludeRouteImpl : public EmulateExcludeRoute
|
|
{
|
|
public:
|
|
OPENVPN_EXCEPTION(emulate_exclude_route_error);
|
|
|
|
typedef RCPtr<EmulateExcludeRouteImpl> Ptr;
|
|
|
|
EmulateExcludeRouteImpl(const bool exclude_server_address)
|
|
: exclude_server_address_(exclude_server_address)
|
|
{
|
|
}
|
|
|
|
private:
|
|
virtual void add_route(const bool add, const IP::Addr& addr, const int prefix_len)
|
|
{
|
|
(add ? include : exclude).emplace_back(addr, prefix_len);
|
|
}
|
|
|
|
virtual bool enabled(const IPVerFlags& ipv) const
|
|
{
|
|
return exclude.size() && (ipv.rgv4() || ipv.rgv6());
|
|
}
|
|
|
|
virtual void emulate(TunBuilderBase* tb, IPVerFlags& ipv, const IP::Addr& server_addr) const
|
|
{
|
|
const unsigned int rg_ver_flags = ipv.rg_ver_flags();
|
|
if (exclude.size() && rg_ver_flags)
|
|
{
|
|
IP::RouteList rl;
|
|
rl.reserve(include.size() + exclude.size());
|
|
rl.insert(rl.end(), include.begin(), include.end());
|
|
rl.insert(rl.end(), exclude.begin(), exclude.end());
|
|
|
|
if (exclude_server_address_ && (server_addr.version_mask() & rg_ver_flags))
|
|
rl.emplace_back(server_addr, server_addr.size());
|
|
|
|
const IP::RouteInverter ri(rl, rg_ver_flags);
|
|
OPENVPN_LOG("Exclude routes emulation:\n" << ri);
|
|
for (IP::RouteInverter::const_iterator i = ri.begin(); i != ri.end(); ++i)
|
|
{
|
|
const IP::Route& r = *i;
|
|
if (!tb->tun_builder_add_route(r.addr.to_string(), r.prefix_len, -1, r.addr.version() == IP::Addr::V6))
|
|
throw emulate_exclude_route_error("tun_builder_add_route failed");
|
|
}
|
|
|
|
ipv.set_emulate_exclude_routes();
|
|
}
|
|
}
|
|
|
|
const bool exclude_server_address_;
|
|
IP::RouteList include;
|
|
IP::RouteList exclude;
|
|
};
|
|
|
|
class EmulateExcludeRouteFactoryImpl : public EmulateExcludeRouteFactory
|
|
{
|
|
public:
|
|
typedef RCPtr<EmulateExcludeRouteFactoryImpl> Ptr;
|
|
|
|
EmulateExcludeRouteFactoryImpl(const bool exclude_server_address)
|
|
: exclude_server_address_(exclude_server_address)
|
|
{
|
|
}
|
|
|
|
private:
|
|
virtual EmulateExcludeRoute::Ptr new_obj() const
|
|
{
|
|
return EmulateExcludeRoute::Ptr(new EmulateExcludeRouteImpl(exclude_server_address_));
|
|
}
|
|
|
|
const bool exclude_server_address_;
|
|
};
|
|
}
|
|
|
|
#endif
|