mirror of
https://github.com/danog/ton.git
synced 2024-12-02 09:28:02 +01:00
273 lines
8.8 KiB
C++
273 lines
8.8 KiB
C++
/*
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This file is part of TON Blockchain source code.
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TON Blockchain is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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TON Blockchain 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with TON Blockchain. If not, see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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You must obey the GNU General Public License in all respects for all
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of the code used other than OpenSSL. If you modify file(s) with this
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exception, you may extend this exception to your version of the file(s),
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but you are not obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. If you delete this exception statement
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from all source files in the program, then also delete it here.
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Copyright 2017-2019 Telegram Systems LLP
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*/
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#include "td/actor/actor.h"
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#include "td/utils/buffer.h"
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#include "td/utils/port/IPAddress.h"
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#include "td/net/UdpServer.h"
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#include "td/utils/port/signals.h"
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#include "td/utils/OptionsParser.h"
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#include "td/utils/FileLog.h"
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#include "td/utils/port/path.h"
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#include "td/utils/port/user.h"
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#include "td/utils/filesystem.h"
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#include "common/checksum.h"
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#include "common/errorcode.h"
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#include "tl-utils/tl-utils.hpp"
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#include "auto/tl/ton_api_json.h"
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#include "adnl-proxy-types.h"
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#include <map>
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#if TD_DARWIN || TD_LINUX
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#include <unistd.h>
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#endif
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namespace ton {
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namespace adnl {
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class Receiver : public td::actor::Actor {
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public:
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void start_up() override;
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void receive_common(td::BufferSlice data);
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void receive_from_client(td::BufferSlice data);
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void receive_to_client(td::BufferSlice data);
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Receiver(td::uint16 in_port, td::uint16 out_port, std::shared_ptr<AdnlProxy> proxy, td::IPAddress client_addr)
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: in_port_(in_port), out_port_(out_port), proxy_(std::move(proxy)), addr_(client_addr) {
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}
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private:
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td::uint16 in_port_;
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td::uint16 out_port_;
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std::shared_ptr<ton::adnl::AdnlProxy> proxy_;
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td::IPAddress addr_;
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td::actor::ActorOwn<td::UdpServer> out_udp_server_;
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td::actor::ActorOwn<td::UdpServer> in_udp_server_;
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};
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void Receiver::start_up() {
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class Callback : public td::UdpServer::Callback {
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public:
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Callback(td::actor::ActorId<Receiver> manager, td::uint32 mode) : manager_(std::move(manager)), mode_(mode) {
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}
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private:
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td::actor::ActorId<Receiver> manager_;
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const td::uint32 mode_;
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void on_udp_message(td::UdpMessage udp_message) override {
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if (udp_message.error.is_error()) {
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LOG(DEBUG) << udp_message.error;
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return;
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}
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if (mode_ == 0) {
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td::actor::send_closure_later(manager_, &Receiver::receive_common, std::move(udp_message.data));
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} else if (mode_ == 1) {
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td::actor::send_closure_later(manager_, &Receiver::receive_from_client, std::move(udp_message.data));
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} else {
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td::actor::send_closure_later(manager_, &Receiver::receive_to_client, std::move(udp_message.data));
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}
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}
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};
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if (in_port_ == out_port_) {
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auto X = td::UdpServer::create("udp server", in_port_, std::make_unique<Callback>(actor_id(this), 0));
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X.ensure();
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in_udp_server_ = X.move_as_ok();
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} else {
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auto X = td::UdpServer::create("udp server", in_port_, std::make_unique<Callback>(actor_id(this), 1));
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X.ensure();
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in_udp_server_ = X.move_as_ok();
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X = td::UdpServer::create("udp server", out_port_, std::make_unique<Callback>(actor_id(this), 2));
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X.ensure();
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out_udp_server_ = X.move_as_ok();
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}
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}
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void Receiver::receive_common(td::BufferSlice data) {
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if (data.size() <= 32) {
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return;
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}
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td::Bits256 id;
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id.as_slice().copy_from(data.as_slice().truncate(32));
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if (id.is_zero()) {
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receive_from_client(std::move(data));
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} else {
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receive_to_client(std::move(data));
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}
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}
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void Receiver::receive_from_client(td::BufferSlice data) {
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auto F = proxy_->decrypt(std::move(data));
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if (F.is_error()) {
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return;
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}
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auto f = F.move_as_ok();
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td::IPAddress a;
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if (a.init_ipv4_port(td::IPAddress::ipv4_to_str(f.ip), f.port).is_error()) {
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return;
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}
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td::UdpMessage M;
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M.address = a;
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M.data = std::move(f.data);
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td::actor::send_closure(out_udp_server_.empty() ? in_udp_server_.get() : out_udp_server_.get(), &td::UdpServer::send,
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std::move(M));
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}
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void Receiver::receive_to_client(td::BufferSlice data) {
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LOG(DEBUG) << "proxying to " << addr_;
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td::UdpMessage M;
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M.address = addr_;
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M.data = std::move(data);
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td::actor::send_closure(in_udp_server_.empty() ? out_udp_server_.get() : in_udp_server_.get(), &td::UdpServer::send,
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std::move(M));
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}
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} // namespace adnl
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} // namespace ton
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std::atomic<bool> rotate_logs_flags{false};
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void force_rotate_logs(int sig) {
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rotate_logs_flags.store(true);
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}
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int main(int argc, char *argv[]) {
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SET_VERBOSITY_LEVEL(verbosity_INFO);
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td::set_default_failure_signal_handler().ensure();
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std::vector<td::actor::ActorOwn<ton::adnl::Receiver>> x;
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std::unique_ptr<td::LogInterface> logger_;
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SCOPE_EXIT {
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td::log_interface = td::default_log_interface;
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};
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std::string config = "/var/ton-work/etc/adnl-proxy.conf.json";
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td::OptionsParser p;
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p.set_description("validator or full node for TON network");
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p.add_option('v', "verbosity", "set verbosity level", [&](td::Slice arg) {
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int v = VERBOSITY_NAME(FATAL) + (td::to_integer<int>(arg));
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SET_VERBOSITY_LEVEL(v);
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return td::Status::OK();
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});
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p.add_option('h', "help", "prints_help", [&]() {
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char b[10240];
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td::StringBuilder sb(td::MutableSlice{b, 10000});
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sb << p;
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std::cout << sb.as_cslice().c_str();
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std::exit(2);
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return td::Status::OK();
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});
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p.add_option('c', "config", "config file", [&](td::Slice arg) {
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config = arg.str();
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return td::Status::OK();
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});
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p.add_option('d', "daemonize", "set SIGHUP", [&]() {
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#if TD_DARWIN || TD_LINUX
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close(0);
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setsid();
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#endif
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td::set_signal_handler(td::SignalType::HangUp, force_rotate_logs).ensure();
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return td::Status::OK();
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});
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p.add_option('l', "logname", "log to file", [&](td::Slice fname) {
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auto F = std::make_unique<td::FileLog>();
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TRY_STATUS(F->init(fname.str(), std::numeric_limits<td::uint64>::max(), true));
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logger_ = std::move(F);
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td::log_interface = logger_.get();
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return td::Status::OK();
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});
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td::uint32 threads = 7;
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p.add_option('t', "threads", PSTRING() << "number of threads (default=" << threads << ")", [&](td::Slice fname) {
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td::int32 v;
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try {
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v = std::stoi(fname.str());
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} catch (...) {
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return td::Status::Error(ton::ErrorCode::error, "bad value for --threads: not a number");
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}
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if (v < 1 || v > 256) {
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return td::Status::Error(ton::ErrorCode::error, "bad value for --threads: should be in range [1..256]");
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}
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threads = v;
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return td::Status::OK();
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});
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p.add_option('u', "user", "change user", [&](td::Slice user) { return td::change_user(user); });
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p.run(argc, argv).ensure();
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td::actor::Scheduler scheduler({threads});
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auto R = [&]() -> td::Status {
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TRY_RESULT_PREFIX(conf_data, td::read_file(config), "failed to read: ");
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TRY_RESULT_PREFIX(conf_json, td::json_decode(conf_data.as_slice()), "failed to parse json: ");
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ton::ton_api::engine_adnlProxy_config conf;
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TRY_STATUS_PREFIX(ton::ton_api::from_json(conf, conf_json.get_object()), "json does not fit TL scheme: ");
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if (!conf.ports_.size()) {
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return td::Status::Error("empty config");
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}
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for (auto &y : conf.ports_) {
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auto in_port = static_cast<td::uint16>(y->in_port_);
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auto out_port = static_cast<td::uint16>(y->out_port_);
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if (!y->proxy_type_) {
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return td::Status::Error("empty proxy type");
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}
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TRY_RESULT(proxy, ton::adnl::AdnlProxy::create(*y->proxy_type_.get()));
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td::IPAddress a;
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a.init_ipv4_port(td::IPAddress::ipv4_to_str(y->dst_ip_), static_cast<td::uint16>(y->dst_port_)).ensure();
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scheduler.run_in_context([&] {
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x.push_back(td::actor::create_actor<ton::adnl::Receiver>("adnl-proxy", in_port, out_port, std::move(proxy), a));
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});
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}
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return td::Status::OK();
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}();
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if (R.is_error()) {
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LOG(FATAL) << "bad config: " << R.move_as_error();
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}
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while (scheduler.run(1)) {
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if (rotate_logs_flags.exchange(false)) {
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if (td::log_interface) {
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td::log_interface->rotate();
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}
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}
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}
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}
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