139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
/* XMRig
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* Copyright (c) 2000-2002 Alan Cox <alan@redhat.com>
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* Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 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 "hw/dmi/DmiReader.h"
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#include "3rdparty/fmt/core.h"
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#include "3rdparty/rapidjson/document.h"
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#include "hw/dmi/DmiTools.h"
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namespace xmrig {
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static void dmi_get_header(dmi_header *h, uint8_t *data)
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{
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h->type = data[0];
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h->length = data[1];
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h->handle = dmi_get<uint16_t>(data + 2);
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h->data = data;
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}
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} // namespace xmrig
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#ifdef XMRIG_FEATURE_API
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rapidjson::Value xmrig::DmiReader::toJSON(rapidjson::Document &doc) const
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{
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rapidjson::Value obj;
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toJSON(obj, doc);
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return obj;
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}
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void xmrig::DmiReader::toJSON(rapidjson::Value &out, rapidjson::Document &doc) const
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{
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using namespace rapidjson;
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auto &allocator = doc.GetAllocator();
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out.SetObject();
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Value memory(kArrayType);
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memory.Reserve(m_memory.size(), allocator);
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for (const auto &value : m_memory) {
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memory.PushBack(value.toJSON(doc), allocator);
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}
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out.AddMember("smbios", Value(fmt::format("{}.{}.{}", m_version >> 16, m_version >> 8 & 0xff, m_version & 0xff).c_str(), allocator), allocator);
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out.AddMember("system", m_system.toJSON(doc), allocator);
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out.AddMember("board", m_board.toJSON(doc), allocator);
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out.AddMember("memory", memory, allocator);
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}
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#endif
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bool xmrig::DmiReader::decode(uint8_t *buf, const Cleanup &cleanup)
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{
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const bool rc = decode(buf);
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cleanup();
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return rc;
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}
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bool xmrig::DmiReader::decode(uint8_t *buf)
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{
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if (!buf) {
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return false;
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}
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uint8_t *data = buf;
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int i = 0;
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while (data + 4 <= buf + m_size) {
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dmi_header h{};
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dmi_get_header(&h, data);
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if (h.length < 4 || h.type == 127) {
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break;
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}
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i++;
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uint8_t *next = data + h.length;
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while (static_cast<uint32_t>(next - buf + 1) < m_size && (next[0] != 0 || next[1] != 0)) {
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next++;
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}
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# ifdef XMRIG_OS_APPLE
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while ((unsigned long)(next - buf + 1) < m_size && (next[0] == 0 && next[1] == 0))
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# endif
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next += 2;
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if (static_cast<uint32_t>(next - buf) > m_size) {
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data = next;
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break;
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}
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switch (h.type) {
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case 1:
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m_system.decode(&h);
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break;
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case 2:
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m_board.decode(&h);
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break;
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case 17:
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m_memory.emplace_back(&h);
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break;
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default:
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break;
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}
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data = next;
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}
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return true;
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}
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