905 lines
19 KiB
C++
905 lines
19 KiB
C++
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
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* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
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* Copyright 2016-2019 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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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 General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <assert.h>
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#include <inttypes.h>
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#include <iterator>
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#include <stdio.h>
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#include <string.h>
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#include <utility>
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#ifdef XMRIG_FEATURE_TLS
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# include <openssl/ssl.h>
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# include <openssl/err.h>
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# include "base/net/stratum/Tls.h"
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#endif
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#include "base/io/json/Json.h"
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#include "base/io/json/JsonRequest.h"
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#include "base/io/log/Log.h"
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#include "base/kernel/interfaces/IClientListener.h"
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#include "base/net/dns/Dns.h"
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#include "base/net/stratum/Client.h"
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#include "base/tools/Buffer.h"
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#include "base/tools/Chrono.h"
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#include "net/JobResult.h"
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#include "rapidjson/document.h"
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#include "rapidjson/error/en.h"
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#include "rapidjson/stringbuffer.h"
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#include "rapidjson/writer.h"
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#ifdef _MSC_VER
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# define strncasecmp(x,y,z) _strnicmp(x,y,z)
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#endif
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namespace xmrig {
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Storage<Client> Client::m_storage;
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} /* namespace xmrig */
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#ifdef APP_DEBUG
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static const char *states[] = {
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"unconnected",
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"host-lookup",
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"connecting",
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"connected",
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"closing"
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};
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#endif
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xmrig::Client::Client(int id, const char *agent, IClientListener *listener) :
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BaseClient(id, listener),
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m_agent(agent),
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m_tls(nullptr),
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m_expire(0),
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m_jobs(0),
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m_keepAlive(0),
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m_key(0),
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m_stream(nullptr),
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m_socket(nullptr)
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{
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m_key = m_storage.add(this);
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m_dns = new Dns(this);
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}
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xmrig::Client::~Client()
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{
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delete m_dns;
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delete m_socket;
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}
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bool xmrig::Client::disconnect()
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{
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m_keepAlive = 0;
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m_expire = 0;
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m_failures = -1;
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return close();
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}
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bool xmrig::Client::isTLS() const
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{
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# ifdef XMRIG_FEATURE_TLS
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return m_pool.isTLS() && m_tls;
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# else
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return false;
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# endif
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}
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const char *xmrig::Client::tlsFingerprint() const
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{
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# ifdef XMRIG_FEATURE_TLS
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if (isTLS() && m_pool.fingerprint() == nullptr) {
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return m_tls->fingerprint();
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}
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# endif
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return nullptr;
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}
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const char *xmrig::Client::tlsVersion() const
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{
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# ifdef XMRIG_FEATURE_TLS
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if (isTLS()) {
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return m_tls->version();
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}
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# endif
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return nullptr;
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}
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int64_t xmrig::Client::submit(const JobResult &result)
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{
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# ifndef XMRIG_PROXY_PROJECT
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if (result.clientId != m_rpcId) {
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return -1;
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}
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# endif
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using namespace rapidjson;
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# ifdef XMRIG_PROXY_PROJECT
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const char *nonce = result.nonce;
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const char *data = result.result;
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# else
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char *nonce = m_sendBuf;
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char *data = m_sendBuf + 16;
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Buffer::toHex(reinterpret_cast<const char*>(&result.nonce), 4, nonce);
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nonce[8] = '\0';
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Buffer::toHex(result.result(), 32, data);
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data[64] = '\0';
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# endif
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Document doc(kObjectType);
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auto &allocator = doc.GetAllocator();
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Value params(kObjectType);
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params.AddMember("id", StringRef(m_rpcId.data()), allocator);
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params.AddMember("job_id", StringRef(result.jobId.data()), allocator);
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params.AddMember("nonce", StringRef(nonce), allocator);
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params.AddMember("result", StringRef(data), allocator);
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if (has<EXT_ALGO>() && result.algorithm.isValid()) {
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params.AddMember("algo", StringRef(result.algorithm.shortName()), allocator);
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}
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JsonRequest::create(doc, m_sequence, "submit", params);
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# ifdef XMRIG_PROXY_PROJECT
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m_results[m_sequence] = SubmitResult(m_sequence, result.diff, result.actualDiff(), result.id);
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# else
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m_results[m_sequence] = SubmitResult(m_sequence, result.diff, result.actualDiff());
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# endif
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return send(doc);
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}
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void xmrig::Client::connect()
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{
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# ifdef XMRIG_FEATURE_TLS
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if (m_pool.isTLS()) {
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m_tls = new Tls(this);
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}
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# endif
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resolve(m_pool.host());
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}
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void xmrig::Client::connect(const Pool &pool)
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{
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setPool(pool);
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connect();
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}
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void xmrig::Client::deleteLater()
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{
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if (!m_listener) {
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return;
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}
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m_listener = nullptr;
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if (!disconnect()) {
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m_storage.remove(m_key);
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}
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}
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void xmrig::Client::tick(uint64_t now)
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{
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if (m_state == ConnectedState) {
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if (m_expire && now > m_expire) {
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LOG_DEBUG_ERR("[%s] timeout", url());
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close();
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}
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else if (m_keepAlive && now > m_keepAlive) {
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ping();
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}
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}
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if (m_expire && now > m_expire && m_state == ConnectingState) {
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connect();
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}
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}
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void xmrig::Client::onResolved(const Dns &dns, int status)
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{
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assert(m_listener != nullptr);
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if (!m_listener) {
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return reconnect();
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}
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if (status < 0 && dns.isEmpty()) {
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if (!isQuiet()) {
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LOG_ERR("[%s] DNS error: \"%s\"", url(), uv_strerror(status));
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}
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return reconnect();
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}
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const DnsRecord &record = dns.get();
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m_ip = record.ip();
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connect(record.addr(m_pool.port()));
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}
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bool xmrig::Client::close()
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{
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if (m_state == ClosingState) {
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return m_socket != nullptr;
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}
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if (m_state == UnconnectedState || m_socket == nullptr) {
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return false;
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}
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setState(ClosingState);
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if (uv_is_closing(reinterpret_cast<uv_handle_t*>(m_socket)) == 0) {
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uv_close(reinterpret_cast<uv_handle_t*>(m_socket), Client::onClose);
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}
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return true;
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}
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bool xmrig::Client::isCriticalError(const char *message)
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{
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if (!message) {
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return false;
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}
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if (strncasecmp(message, "Unauthenticated", 15) == 0) {
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return true;
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}
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if (strncasecmp(message, "your IP is banned", 17) == 0) {
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return true;
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}
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if (strncasecmp(message, "IP Address currently banned", 27) == 0) {
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return true;
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}
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return false;
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}
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bool xmrig::Client::parseJob(const rapidjson::Value ¶ms, int *code)
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{
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if (!params.IsObject()) {
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*code = 2;
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return false;
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}
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Job job(has<EXT_NICEHASH>(), m_pool.algorithm(), m_rpcId);
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if (!job.setId(params["job_id"].GetString())) {
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*code = 3;
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return false;
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}
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if (!job.setBlob(params["blob"].GetString())) {
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*code = 4;
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return false;
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}
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if (!job.setTarget(params["target"].GetString())) {
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*code = 5;
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return false;
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}
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if (params.HasMember("algo")) {
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job.setAlgorithm(params["algo"].GetString());
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}
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job.setSeedHash(Json::getString(params, "seed_hash"));
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job.setHeight(Json::getUint64(params, "height"));
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if (!verifyAlgorithm(job.algorithm())) {
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*code = 6;
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close();
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return false;
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}
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m_job.setClientId(m_rpcId);
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if (m_job != job) {
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m_jobs++;
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m_job = std::move(job);
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return true;
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}
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if (m_jobs == 0) { // https://github.com/xmrig/xmrig/issues/459
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return false;
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}
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if (!isQuiet()) {
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LOG_WARN("[%s] duplicate job received, reconnect", url());
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}
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close();
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return false;
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}
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bool xmrig::Client::parseLogin(const rapidjson::Value &result, int *code)
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{
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m_rpcId = result["id"].GetString();
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if (m_rpcId.isNull()) {
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*code = 1;
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return false;
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}
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parseExtensions(result);
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const bool rc = parseJob(result["job"], code);
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m_jobs = 0;
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return rc;
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}
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bool xmrig::Client::send(BIO *bio)
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{
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# ifdef XMRIG_FEATURE_TLS
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uv_buf_t buf;
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buf.len = BIO_get_mem_data(bio, &buf.base);
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if (buf.len == 0) {
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return true;
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}
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LOG_DEBUG("[%s] TLS send (%d bytes)", url(), static_cast<int>(buf.len));
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bool result = false;
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if (state() == ConnectedState && uv_is_writable(m_stream)) {
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result = uv_try_write(m_stream, &buf, 1) > 0;
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if (!result) {
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close();
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}
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}
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else {
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LOG_DEBUG_ERR("[%s] send failed, invalid state: %d", url(), m_state);
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}
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(void) BIO_reset(bio);
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return result;
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# else
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return false;
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# endif
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}
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bool xmrig::Client::verifyAlgorithm(const Algorithm &algorithm) const
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{
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//# ifdef XMRIG_PROXY_PROJECT
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// if (m_pool.algorithm().variant() == VARIANT_AUTO || m_id == -1) {
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// return true;
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// }
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//# endif
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// if (m_pool.algorithm() == algorithm) { // FIXME
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// return true;
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// }
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// if (isQuiet()) {
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// return false;
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// }
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// if (algorithm.isValid()) {
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// LOG_ERR("Incompatible algorithm \"%s\" detected, reconnect", algorithm.name());
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// }
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// else {
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// LOG_ERR("Unknown/unsupported algorithm detected, reconnect");
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// }
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return true;
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}
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int xmrig::Client::resolve(const String &host)
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{
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setState(HostLookupState);
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m_expire = 0;
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m_recvBuf.reset();
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if (m_failures == -1) {
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m_failures = 0;
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}
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if (!m_dns->resolve(host)) {
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if (!isQuiet()) {
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LOG_ERR("[%s:%u] getaddrinfo error: \"%s\"", host.data(), m_pool.port(), uv_strerror(m_dns->status()));
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}
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return 1;
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}
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return 0;
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}
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int64_t xmrig::Client::send(const rapidjson::Document &doc)
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{
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using namespace rapidjson;
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StringBuffer buffer(nullptr, 512);
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Writer<StringBuffer> writer(buffer);
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doc.Accept(writer);
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const size_t size = buffer.GetSize();
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if (size > (sizeof(m_sendBuf) - 2)) {
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LOG_ERR("[%s] send failed: \"send buffer overflow: %zu > %zu\"", url(), size, (sizeof(m_sendBuf) - 2));
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close();
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return -1;
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}
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memcpy(m_sendBuf, buffer.GetString(), size);
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m_sendBuf[size] = '\n';
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m_sendBuf[size + 1] = '\0';
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return send(size + 1);
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}
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int64_t xmrig::Client::send(size_t size)
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{
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LOG_DEBUG("[%s] send (%d bytes): \"%.*s\"", url(), size, static_cast<int>(size) - 1, m_sendBuf);
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# ifdef XMRIG_FEATURE_TLS
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if (isTLS()) {
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if (!m_tls->send(m_sendBuf, size)) {
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return -1;
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}
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}
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else
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# endif
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{
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if (state() != ConnectedState || !uv_is_writable(m_stream)) {
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LOG_DEBUG_ERR("[%s] send failed, invalid state: %d", url(), m_state);
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return -1;
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}
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uv_buf_t buf = uv_buf_init(m_sendBuf, (unsigned int) size);
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if (uv_try_write(m_stream, &buf, 1) < 0) {
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close();
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return -1;
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}
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}
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m_expire = Chrono::steadyMSecs() + kResponseTimeout;
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return m_sequence++;
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}
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void xmrig::Client::connect(sockaddr *addr)
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{
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setState(ConnectingState);
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uv_connect_t *req = new uv_connect_t;
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req->data = m_storage.ptr(m_key);
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m_socket = new uv_tcp_t;
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m_socket->data = m_storage.ptr(m_key);
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uv_tcp_init(uv_default_loop(), m_socket);
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uv_tcp_nodelay(m_socket, 1);
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# ifndef WIN32
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uv_tcp_keepalive(m_socket, 1, 60);
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# endif
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uv_tcp_connect(req, m_socket, addr, onConnect);
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delete addr;
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}
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void xmrig::Client::handshake()
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{
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# ifdef XMRIG_FEATURE_TLS
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if (isTLS()) {
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m_expire = Chrono::steadyMSecs() + kResponseTimeout;
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m_tls->handshake();
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}
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else
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# endif
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{
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login();
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}
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}
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void xmrig::Client::login()
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{
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using namespace rapidjson;
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m_results.clear();
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Document doc(kObjectType);
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auto &allocator = doc.GetAllocator();
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Value params(kObjectType);
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params.AddMember("login", m_pool.user().toJSON(), allocator);
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params.AddMember("pass", m_pool.password().toJSON(), allocator);
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params.AddMember("agent", StringRef(m_agent), allocator);
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if (!m_pool.rigId().isNull()) {
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params.AddMember("rigid", m_pool.rigId().toJSON(), allocator);
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}
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m_listener->onLogin(this, doc, params);
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JsonRequest::create(doc, 1, "login", params);
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send(doc);
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}
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void xmrig::Client::onClose()
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{
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delete m_socket;
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m_stream = nullptr;
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m_socket = nullptr;
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setState(UnconnectedState);
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# ifdef XMRIG_FEATURE_TLS
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if (m_tls) {
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delete m_tls;
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m_tls = nullptr;
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}
|
|
# endif
|
|
|
|
reconnect();
|
|
}
|
|
|
|
|
|
void xmrig::Client::parse(char *line, size_t len)
|
|
{
|
|
startTimeout();
|
|
|
|
LOG_DEBUG("[%s] received (%d bytes): \"%.*s\"", url(), len, static_cast<int>(len), line);
|
|
|
|
if (len < 32 || line[0] != '{') {
|
|
if (!isQuiet()) {
|
|
LOG_ERR("[%s] JSON decode failed", url());
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
rapidjson::Document doc;
|
|
if (doc.ParseInsitu(line).HasParseError()) {
|
|
if (!isQuiet()) {
|
|
LOG_ERR("[%s] JSON decode failed: \"%s\"", url(), rapidjson::GetParseError_En(doc.GetParseError()));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!doc.IsObject()) {
|
|
return;
|
|
}
|
|
|
|
const rapidjson::Value &id = doc["id"];
|
|
if (id.IsInt64()) {
|
|
parseResponse(id.GetInt64(), doc["result"], doc["error"]);
|
|
}
|
|
else {
|
|
parseNotification(doc["method"].GetString(), doc["params"], doc["error"]);
|
|
}
|
|
}
|
|
|
|
|
|
void xmrig::Client::parseExtensions(const rapidjson::Value &result)
|
|
{
|
|
m_extensions.reset();
|
|
|
|
if (!result.HasMember("extensions")) {
|
|
return;
|
|
}
|
|
|
|
const rapidjson::Value &extensions = result["extensions"];
|
|
if (!extensions.IsArray()) {
|
|
return;
|
|
}
|
|
|
|
for (const rapidjson::Value &ext : extensions.GetArray()) {
|
|
if (!ext.IsString()) {
|
|
continue;
|
|
}
|
|
|
|
const char *name = ext.GetString();
|
|
|
|
if (strcmp(name, "algo") == 0) {
|
|
setExtension(EXT_ALGO, true);
|
|
}
|
|
else if (strcmp(name, "nicehash") == 0) {
|
|
setExtension(EXT_NICEHASH, true);
|
|
}
|
|
else if (strcmp(name, "connect") == 0) {
|
|
setExtension(EXT_CONNECT, true);
|
|
}
|
|
else if (strcmp(name, "keepalive") == 0) {
|
|
setExtension(EXT_KEEPALIVE, true);
|
|
}
|
|
# ifdef XMRIG_FEATURE_TLS
|
|
else if (strcmp(name, "tls") == 0) {
|
|
setExtension(EXT_TLS, true);
|
|
}
|
|
# endif
|
|
}
|
|
}
|
|
|
|
|
|
void xmrig::Client::parseNotification(const char *method, const rapidjson::Value ¶ms, const rapidjson::Value &error)
|
|
{
|
|
if (error.IsObject()) {
|
|
if (!isQuiet()) {
|
|
LOG_ERR("[%s] error: \"%s\", code: %d", url(), error["message"].GetString(), error["code"].GetInt());
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!method) {
|
|
return;
|
|
}
|
|
|
|
if (strcmp(method, "job") == 0) {
|
|
int code = -1;
|
|
if (parseJob(params, &code)) {
|
|
m_listener->onJobReceived(this, m_job, params);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
LOG_WARN("[%s] unsupported method: \"%s\"", url(), method);
|
|
}
|
|
|
|
|
|
void xmrig::Client::parseResponse(int64_t id, const rapidjson::Value &result, const rapidjson::Value &error)
|
|
{
|
|
if (error.IsObject()) {
|
|
const char *message = error["message"].GetString();
|
|
|
|
if (!handleSubmitResponse(id, message) && !isQuiet()) {
|
|
LOG_ERR("[%s] error: " RED_BOLD("\"%s\"") RED_S ", code: %d", url(), message, error["code"].GetInt());
|
|
}
|
|
|
|
if (m_id == 1 || isCriticalError(message)) {
|
|
close();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!result.IsObject()) {
|
|
return;
|
|
}
|
|
|
|
if (id == 1) {
|
|
int code = -1;
|
|
if (!parseLogin(result, &code)) {
|
|
if (!isQuiet()) {
|
|
LOG_ERR("[%s] login error code: %d", url(), code);
|
|
}
|
|
|
|
close();
|
|
return;
|
|
}
|
|
|
|
m_failures = 0;
|
|
m_listener->onLoginSuccess(this);
|
|
m_listener->onJobReceived(this, m_job, result["job"]);
|
|
return;
|
|
}
|
|
|
|
handleSubmitResponse(id);
|
|
}
|
|
|
|
|
|
void xmrig::Client::ping()
|
|
{
|
|
send(snprintf(m_sendBuf, sizeof(m_sendBuf), "{\"id\":%" PRId64 ",\"jsonrpc\":\"2.0\",\"method\":\"keepalived\",\"params\":{\"id\":\"%s\"}}\n", m_sequence, m_rpcId.data()));
|
|
}
|
|
|
|
|
|
void xmrig::Client::read(ssize_t nread)
|
|
{
|
|
const size_t size = static_cast<size_t>(nread);
|
|
|
|
if (nread > 0 && size > m_recvBuf.available()) {
|
|
nread = UV_ENOBUFS;
|
|
}
|
|
|
|
if (nread < 0) {
|
|
if (!isQuiet()) {
|
|
LOG_ERR("[%s] read error: \"%s\"", url(), uv_strerror(static_cast<int>(nread)));
|
|
}
|
|
|
|
close();
|
|
return;
|
|
}
|
|
|
|
assert(m_listener != nullptr);
|
|
if (!m_listener) {
|
|
return reconnect();
|
|
}
|
|
|
|
m_recvBuf.nread(size);
|
|
|
|
# ifdef XMRIG_FEATURE_TLS
|
|
if (isTLS()) {
|
|
LOG_DEBUG("[%s] TLS received (%d bytes)", url(), static_cast<int>(nread));
|
|
|
|
m_tls->read(m_recvBuf.base(), m_recvBuf.pos());
|
|
m_recvBuf.reset();
|
|
}
|
|
else
|
|
# endif
|
|
{
|
|
m_recvBuf.getline(this);
|
|
}
|
|
}
|
|
|
|
|
|
void xmrig::Client::reconnect()
|
|
{
|
|
if (!m_listener) {
|
|
m_storage.remove(m_key);
|
|
|
|
return;
|
|
}
|
|
|
|
m_keepAlive = 0;
|
|
|
|
if (m_failures == -1) {
|
|
return m_listener->onClose(this, -1);
|
|
}
|
|
|
|
setState(ConnectingState);
|
|
|
|
m_failures++;
|
|
m_listener->onClose(this, static_cast<int>(m_failures));
|
|
|
|
m_expire = Chrono::steadyMSecs() + m_retryPause;
|
|
}
|
|
|
|
|
|
void xmrig::Client::setState(SocketState state)
|
|
{
|
|
LOG_DEBUG("[%s] state: \"%s\"", url(), states[state]);
|
|
|
|
if (m_state == state) {
|
|
return;
|
|
}
|
|
|
|
m_state = state;
|
|
}
|
|
|
|
|
|
void xmrig::Client::startTimeout()
|
|
{
|
|
m_expire = 0;
|
|
|
|
if (has<EXT_KEEPALIVE>()) {
|
|
const uint64_t ms = static_cast<uint64_t>(m_pool.keepAlive() > 0 ? m_pool.keepAlive() : Pool::kKeepAliveTimeout) * 1000;
|
|
|
|
m_keepAlive = Chrono::steadyMSecs() + ms;
|
|
}
|
|
}
|
|
|
|
|
|
void xmrig::Client::onAllocBuffer(uv_handle_t *handle, size_t, uv_buf_t *buf)
|
|
{
|
|
auto client = getClient(handle->data);
|
|
if (!client) {
|
|
return;
|
|
}
|
|
|
|
buf->base = client->m_recvBuf.current();
|
|
|
|
# ifdef _WIN32
|
|
buf->len = static_cast<ULONG>(client->m_recvBuf.available());
|
|
# else
|
|
buf->len = client->m_recvBuf.available();
|
|
# endif
|
|
}
|
|
|
|
|
|
void xmrig::Client::onClose(uv_handle_t *handle)
|
|
{
|
|
auto client = getClient(handle->data);
|
|
if (!client) {
|
|
return;
|
|
}
|
|
|
|
client->onClose();
|
|
}
|
|
|
|
|
|
void xmrig::Client::onConnect(uv_connect_t *req, int status)
|
|
{
|
|
auto client = getClient(req->data);
|
|
if (!client) {
|
|
delete req;
|
|
return;
|
|
}
|
|
|
|
if (status < 0) {
|
|
if (!client->isQuiet()) {
|
|
LOG_ERR("[%s] connect error: \"%s\"", client->url(), uv_strerror(status));
|
|
}
|
|
|
|
delete req;
|
|
client->close();
|
|
return;
|
|
}
|
|
|
|
client->m_stream = static_cast<uv_stream_t*>(req->handle);
|
|
client->m_stream->data = req->data;
|
|
client->setState(ConnectedState);
|
|
|
|
uv_read_start(client->m_stream, onAllocBuffer, onRead);
|
|
delete req;
|
|
|
|
client->handshake();
|
|
}
|
|
|
|
|
|
void xmrig::Client::onRead(uv_stream_t *stream, ssize_t nread, const uv_buf_t *)
|
|
{
|
|
auto client = getClient(stream->data);
|
|
if (client) {
|
|
client->read(nread);
|
|
}
|
|
}
|