mirror of
https://github.com/amnezia-vpn/OpenVPNAdapter.git
synced 2026-05-22 10:55:46 +03:00
132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2020 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_OPTIONS_SERVPUSH_H
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#define OPENVPN_OPTIONS_SERVPUSH_H
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#include <string>
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#include <sstream>
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#include <ostream>
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#include <vector>
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#include <utility> // for std::move
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#include <openvpn/common/exception.hpp>
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#include <openvpn/common/options.hpp>
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#include <openvpn/common/jsonlib.hpp>
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#ifdef HAVE_JSON
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#include <openvpn/common/jsonhelper.hpp>
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#endif
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namespace openvpn {
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class ServerPushList : public std::vector<std::string>
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{
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public:
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void parse(const std::string& opt_name, const OptionList& opt)
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{
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const auto* push = opt.get_index_ptr(opt_name);
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if (push)
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{
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reserve(size() + push->size());
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for (auto &i : *push)
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{
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const Option& o = opt[i];
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o.touch();
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push_back(o.get(1, 512));
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}
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}
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}
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#ifdef HAVE_JSON
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// Parse JSON representation of a push list.
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// Each push list array element can be one of:
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// 1. simple JSON string,
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// 2. dictionary containing an "item" string, or
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// 3. dictionary containing an "item" array of strings.
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void parse(const std::string& title, const Json::Value& push_list) // push_list is JSON array
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{
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reserve(16); // arbitrary, just a guess
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const auto& ja = json::cast_array(push_list, false, title).array();
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for (size_t i = 0; i < ja.size(); ++i)
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{
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const Json::Value& jv = ja[i];
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if (jv.isString())
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push_back(jv.asStringRef());
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else if (jv.isObject())
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{
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const Json::Value& ji = jv["item"];
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if (ji.isString())
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push_back(ji.asStringRef());
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else if (ji.isArray())
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{
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const auto& ia = ji.array();
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for (size_t j = 0; j < ia.size(); ++j)
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{
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const Json::Value& iv = ia[j];
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if (iv.isString())
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push_back(iv.asStringRef());
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else
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throw json::json_parse(json::fmt_name(i, title) + " object contains 'item' array that includes non-string element at index=" + std::to_string(j));
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}
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}
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else
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throw json::json_parse(json::fmt_name(i, title) + " object must contain 'item' string or array");
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}
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else
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throw json::json_parse(json::fmt_name(i, title) + " must be of type string or object");
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}
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}
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#endif
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void extend(const std::vector<std::string>& other)
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{
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reserve(size() + other.size());
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for (auto &e : other)
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push_back(e);
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}
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// do a roundtrip to csv and back to OptionList
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OptionList to_option_list() const
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{
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std::ostringstream os;
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output_csv(os);
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return OptionList::parse_from_csv_static(os.str(), nullptr);
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}
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void output_csv(std::ostream& os) const
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{
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for (auto &e : *this)
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{
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os << ',';
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output_arg(e, os);
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}
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}
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static void output_arg(const std::string& e, std::ostream& os)
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{
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const bool must_quote = (e.find_first_of(',') != std::string::npos);
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Option::escape_string(os, e, must_quote);
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}
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};
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}
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#endif
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