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Diffstat (limited to 'src/server/game/Warden/WardenWin.cpp')
| -rw-r--r-- | src/server/game/Warden/WardenWin.cpp | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/src/server/game/Warden/WardenWin.cpp b/src/server/game/Warden/WardenWin.cpp deleted file mode 100644 index 92266e20830..00000000000 --- a/src/server/game/Warden/WardenWin.cpp +++ /dev/null @@ -1,560 +0,0 @@ -/* - * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * 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 General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "WardenWin.h" -#include "Common.h" -#include "ByteBuffer.h" -#include "Containers.h" -#include "CryptoRandom.h" -#include "DatabaseEnv.h" -#include "GameTime.h" -#include "HMAC.h" -#include "Log.h" -#include "Opcodes.h" -#include "Player.h" -#include "SessionKeyGenerator.h" -#include "SmartEnum.h" -#include "Util.h" -#include "WardenModuleWin.h" -#include "WardenCheckMgr.h" -#include "World.h" -#include "WorldPacket.h" -#include "WorldSession.h" -#include <sstream> - - // GUILD is the shortest string that has no client validation (RAID only sends if in a raid group) -static constexpr char _luaEvalPrefix[] = "local S,T,R=SendAddonMessage,function()"; -static constexpr char _luaEvalMidfix[] = " end R=S and T()if R then S('_TW',"; -static constexpr char _luaEvalPostfix[] = ",'GUILD')end"; - -static_assert((sizeof(_luaEvalPrefix)-1 + sizeof(_luaEvalMidfix)-1 + sizeof(_luaEvalPostfix)-1 + WARDEN_MAX_LUA_CHECK_LENGTH) == 255); - -WardenWin::WardenWin() : Warden(), _serverTicks(0) -{ - for (WardenCheckCategory category : EnumUtils::Iterate<WardenCheckCategory>()) - { - auto& [checks, checksIt] = _checks[category]; - checks = sWardenCheckMgr->GetAvailableChecks(category); - Trinity::Containers::RandomShuffle(checks); - checksIt = checks.begin(); - } -} - -void WardenWin::Init(WorldSession* session, SessionKey const& K) -{ - _session = session; - // Generate Warden Key - SessionKeyGenerator<Trinity::Crypto::SHA1> WK(K); - WK.Generate(_inputKey.data(), _inputKey.size()); - WK.Generate(_outputKey.data(), _outputKey.size()); - - _seed = Module.Seed; - - _inputCrypto.Init(_inputKey); - _outputCrypto.Init(_outputKey); - TC_LOG_DEBUG("warden", "Server side warden for client {} initializing...", session->GetAccountId()); - TC_LOG_DEBUG("warden", "C->S Key: {}", ByteArrayToHexStr(_inputKey)); - TC_LOG_DEBUG("warden", "S->C Key: {}", ByteArrayToHexStr(_outputKey)); - TC_LOG_DEBUG("warden", " Seed: {}", ByteArrayToHexStr(_seed)); - TC_LOG_DEBUG("warden", "Loading Module..."); - - MakeModuleForClient(); - - TC_LOG_DEBUG("warden", "Module Key: {}", ByteArrayToHexStr(_module->Key)); - TC_LOG_DEBUG("warden", "Module ID: {}", ByteArrayToHexStr(_module->Id)); - RequestModule(); -} - -void WardenWin::InitializeModuleForClient(ClientWardenModule& module) -{ - // data assign - module.CompressedData = Module.Module.data(); - module.CompressedSize = Module.Module.size(); - module.Key = Module.ModuleKey; -} - -void WardenWin::InitializeModule() -{ - TC_LOG_DEBUG("warden", "Initialize module"); - - // Create packet structure - WardenInitModuleRequest Request; - Request.Command1 = WARDEN_SMSG_MODULE_INITIALIZE; - Request.Size1 = 20; - Request.Unk1 = 1; - Request.Unk2 = 0; - Request.Type = 1; - Request.String_library1 = 0; - Request.Function1[0] = 0x00024F80; // 0x00400000 + 0x00024F80 SFileOpenFile - Request.Function1[1] = 0x000218C0; // 0x00400000 + 0x000218C0 SFileGetFileSize - Request.Function1[2] = 0x00022530; // 0x00400000 + 0x00022530 SFileReadFile - Request.Function1[3] = 0x00022910; // 0x00400000 + 0x00022910 SFileCloseFile - Request.CheckSumm1 = BuildChecksum(&Request.Unk1, 20); - - Request.Command2 = WARDEN_SMSG_MODULE_INITIALIZE; - Request.Size2 = 8; - Request.Unk3 = 4; - Request.Unk4 = 0; - Request.String_library2 = 0; - Request.Function2 = 0x00419210; // 0x00400000 + 0x00419210 FrameScript::Execute - Request.Function2_set = 1; - Request.CheckSumm2 = BuildChecksum(&Request.Unk3, 8); - - Request.Command3 = WARDEN_SMSG_MODULE_INITIALIZE; - Request.Size3 = 8; - Request.Unk5 = 1; - Request.Unk6 = 1; - Request.String_library3 = 0; - Request.Function3 = 0x0046AE20; // 0x00400000 + 0x0046AE20 PerformanceCounter - Request.Function3_set = 1; - Request.CheckSumm3 = BuildChecksum(&Request.Unk5, 8); - - EndianConvert(Request.Size1); - EndianConvert(Request.CheckSumm1); - EndianConvert(Request.Function1[0]); - EndianConvert(Request.Function1[1]); - EndianConvert(Request.Function1[2]); - EndianConvert(Request.Function1[3]); - EndianConvert(Request.Size2); - EndianConvert(Request.CheckSumm2); - EndianConvert(Request.Function2); - EndianConvert(Request.Size3); - EndianConvert(Request.CheckSumm3); - EndianConvert(Request.Function3); - - // Encrypt with warden RC4 key. - EncryptData(reinterpret_cast<uint8*>(&Request), sizeof(WardenInitModuleRequest)); - - WorldPacket pkt(SMSG_WARDEN3_DATA, sizeof(WardenInitModuleRequest)); - pkt.append(reinterpret_cast<uint8*>(&Request), sizeof(WardenInitModuleRequest)); - _session->SendPacket(&pkt); -} - -void WardenWin::RequestHash() -{ - TC_LOG_DEBUG("warden", "Request hash"); - - // Create packet structure - WardenHashRequest Request; - Request.Command = WARDEN_SMSG_HASH_REQUEST; - Request.Seed = _seed; - - // Encrypt with warden RC4 key. - EncryptData(reinterpret_cast<uint8*>(&Request), sizeof(WardenHashRequest)); - - WorldPacket pkt(SMSG_WARDEN3_DATA, sizeof(WardenHashRequest)); - pkt.append(reinterpret_cast<uint8*>(&Request), sizeof(WardenHashRequest)); - _session->SendPacket(&pkt); -} - -void WardenWin::HandleHashResult(ByteBuffer &buff) -{ - // Verify key - Trinity::Crypto::SHA1::Digest response; - buff.read(response); - if (response != Module.ClientKeySeedHash) - { - char const* penalty = ApplyPenalty(nullptr); - TC_LOG_WARN("warden", "{} failed hash reply. Action: {}", _session->GetPlayerInfo(), penalty); - return; - } - - TC_LOG_DEBUG("warden", "Request hash reply: succeed"); - - // Change keys here - _inputKey = Module.ClientKeySeed; - _outputKey = Module.ServerKeySeed; - - _inputCrypto.Init(_inputKey); - _outputCrypto.Init(_outputKey); - - _initialized = true; -} - -static constexpr uint8 GetCheckPacketBaseSize(WardenCheckType type) -{ - switch (type) - { - case DRIVER_CHECK: return 1; - case LUA_EVAL_CHECK: return 1 + sizeof(_luaEvalPrefix)-1 + sizeof(_luaEvalMidfix)-1 + 4 + sizeof(_luaEvalPostfix)-1; - case MPQ_CHECK: return 1; - case PAGE_CHECK_A: return (4 + 1); - case PAGE_CHECK_B: return (4 + 1); - case MODULE_CHECK: return (4 + Trinity::Crypto::HMAC_SHA1::DIGEST_LENGTH); - case MEM_CHECK: return (1 + 4 + 1); - default: return 0; - } -} - -static uint16 GetCheckPacketSize(WardenCheck const& check) -{ - uint16 size = 1 + GetCheckPacketBaseSize(check.Type); // 1 byte check type - if (!check.Str.empty()) - size += (check.Str.length() + 1); // 1 byte string length - if (!check.Data.empty()) - size += check.Data.size(); - return size; -} - -void WardenWin::RequestChecks() -{ - TC_LOG_DEBUG("warden", "Request data from {} (account {}) - loaded: {}", _session->GetPlayerName(), _session->GetAccountId(), _session->GetPlayer() && !_session->PlayerLoading()); - - // If all checks for a category are done, fill its todo list again - for (WardenCheckCategory category : EnumUtils::Iterate<WardenCheckCategory>()) - { - auto& [checks, checksIt] = _checks[category]; - if ((checksIt == checks.end()) && !checks.empty()) - { - TC_LOG_DEBUG("warden", "Finished all {} checks, re-shuffling", EnumUtils::ToConstant(category)); - Trinity::Containers::RandomShuffle(checks); - checksIt = checks.begin(); - } - } - - _serverTicks = GameTime::GetGameTimeMS(); - _currentChecks.clear(); - - // Build check request - ByteBuffer buff; - buff << uint8(WARDEN_SMSG_CHEAT_CHECKS_REQUEST); - - for (WardenCheckCategory category : EnumUtils::Iterate<WardenCheckCategory>()) - { - if (IsWardenCategoryInWorldOnly(category) && !_session->GetPlayer()) - continue; - - auto& [checks, checksIt] = _checks[category]; - for (uint32 i = 0, n = sWorld->getIntConfig(GetWardenCategoryCountConfig(category)); i < n; ++i) - { - if (checksIt == checks.end()) // all checks were already sent, list will be re-filled on next Update() run - break; - _currentChecks.push_back(*(checksIt++)); - } - } - - Trinity::Containers::RandomShuffle(_currentChecks); - - uint16 expectedSize = 4; - Trinity::Containers::EraseIf(_currentChecks, - [&expectedSize](uint16 id) - { - uint8 const thisSize = GetCheckPacketSize(sWardenCheckMgr->GetCheckData(id)); - if ((expectedSize + thisSize) > 450) // warden packets are truncated to 512 bytes clientside - return true; - expectedSize += thisSize; - return false; - } - ); - - for (uint16 const id : _currentChecks) - { - WardenCheck const& check = sWardenCheckMgr->GetCheckData(id); - if (check.Type == LUA_EVAL_CHECK) - { - buff << uint8(sizeof(_luaEvalPrefix) - 1 + check.Str.size() + sizeof(_luaEvalMidfix) - 1 + check.IdStr.size() + sizeof(_luaEvalPostfix) - 1); - buff.append(_luaEvalPrefix, sizeof(_luaEvalPrefix) - 1); - buff.append(check.Str.data(), check.Str.size()); - buff.append(_luaEvalMidfix, sizeof(_luaEvalMidfix) - 1); - buff.append(check.IdStr.data(), check.IdStr.size()); - buff.append(_luaEvalPostfix, sizeof(_luaEvalPostfix) - 1); - } - else if (!check.Str.empty()) - { - buff << uint8(check.Str.size()); - buff.append(check.Str.data(), check.Str.size()); - } - } - - uint8 xorByte = _inputKey[0]; - - // Add TIMING_CHECK - buff << uint8(0x00); - buff << uint8(TIMING_CHECK ^ xorByte); - - uint8 index = 1; - - for (uint16 const id : _currentChecks) - { - WardenCheck const& check = sWardenCheckMgr->GetCheckData(id); - - WardenCheckType const type = check.Type; - buff << uint8(type ^ xorByte); - switch (type) - { - case MEM_CHECK: - { - buff << uint8(0x00); - buff << uint32(check.Address); - buff << uint8(sWardenCheckMgr->GetCheckResult(id).size()); - break; - } - case PAGE_CHECK_A: - case PAGE_CHECK_B: - { - buff.append(check.Data.data(), check.Data.size()); - buff << uint32(check.Address); - buff << uint8(check.Length); - break; - } - case MPQ_CHECK: - case LUA_EVAL_CHECK: - { - buff << uint8(index++); - break; - } - case DRIVER_CHECK: - { - buff.append(check.Data.data(), check.Data.size()); - buff << uint8(index++); - break; - } - case MODULE_CHECK: - { - std::array<uint8, 4> seed = Trinity::Crypto::GetRandomBytes<4>(); - buff.append(seed); - buff.append(Trinity::Crypto::HMAC_SHA1::GetDigestOf(seed, check.Str)); - break; - } - /*case PROC_CHECK: - { - buff.append(check->i.AsByteArray(0, false).get(), check->i.GetNumBytes()); - buff << uint8(index++); - buff << uint8(index++); - buff << uint32(check->Address); - buff << uint8(check->Length); - break; - }*/ - default: - break; // Should never happen - } - } - buff << uint8(xorByte); - buff.hexlike(); - - auto idstring = [this]() -> std::string - { - std::stringstream stream; - for (uint16 const id : _currentChecks) - stream << id << " "; - return stream.str(); - }; - - if (buff.size() == expectedSize) - { - TC_LOG_DEBUG("warden", "Finished building warden packet, size is {} bytes", buff.size()); - TC_LOG_DEBUG("warden", "Sent checks: {}", idstring()); - } - else - { - TC_LOG_WARN("warden", "Finished building warden packet, size is {} bytes, but expected {} bytes!", buff.size(), expectedSize); - TC_LOG_WARN("warden", "Sent checks: {}", idstring()); - } - - // Encrypt with warden RC4 key - EncryptData(buff.data(), buff.size()); - - WorldPacket pkt(SMSG_WARDEN3_DATA, buff.size()); - pkt.append(buff); - _session->SendPacket(&pkt); - - _dataSent = true; -} - -void WardenWin::HandleCheckResult(ByteBuffer &buff) -{ - TC_LOG_DEBUG("warden", "Handle data"); - - _dataSent = false; - _clientResponseTimer = 0; - - uint16 Length; - buff >> Length; - uint32 Checksum; - buff >> Checksum; - - if (Length != (buff.size() - buff.rpos())) - { - buff.rfinish(); - char const* penalty = ApplyPenalty(nullptr); - TC_LOG_WARN("warden", "{} sends manipulated warden packet. Action: {}", _session->GetPlayerInfo(), penalty); - return; - } - - if (!IsValidCheckSum(Checksum, buff.data() + buff.rpos(), Length)) - { - buff.rfinish(); - char const* penalty = ApplyPenalty(nullptr); - TC_LOG_WARN("warden", "{} failed checksum. Action: {}", _session->GetPlayerInfo(), penalty); - return; - } - - // TIMING_CHECK - { - uint8 result; - buff >> result; - /// @todo test it. - if (result == 0x00) - { - char const* penalty = ApplyPenalty(nullptr); - TC_LOG_WARN("warden", "{} failed timing check. Action: {}", _session->GetPlayerInfo(), penalty); - return; - } - - uint32 newClientTicks; - buff >> newClientTicks; - - uint32 ticksNow = GameTime::GetGameTimeMS(); - uint32 ourTicks = newClientTicks + (ticksNow - _serverTicks); - - TC_LOG_DEBUG("warden", "Server tick count now: {}", ticksNow); - TC_LOG_DEBUG("warden", "Server tick count at req: {}", _serverTicks); - TC_LOG_DEBUG("warden", "Client ticks in response: {}", newClientTicks); - TC_LOG_DEBUG("warden", "Round trip response time: {} ms", ourTicks - newClientTicks); - } - - uint16 checkFailed = 0; - for (uint16 const id : _currentChecks) - { - WardenCheck const& check = sWardenCheckMgr->GetCheckData(id); - - switch (check.Type) - { - case MEM_CHECK: - { - uint8 Mem_Result; - buff >> Mem_Result; - - if (Mem_Result != 0) - { - TC_LOG_DEBUG("warden", "RESULT MEM_CHECK not 0x00, CheckId {} account Id {}", id, _session->GetAccountId()); - checkFailed = id; - continue; - } - - WardenCheckResult const& expected = sWardenCheckMgr->GetCheckResult(id); - - std::vector<uint8> response; - response.resize(expected.size()); - buff.read(response.data(), response.size()); - - if (response != expected) - { - TC_LOG_DEBUG("warden", "RESULT MEM_CHECK fail CheckId {} account Id {}", id, _session->GetAccountId()); - TC_LOG_DEBUG("warden", "Expected: {}", ByteArrayToHexStr(expected)); - TC_LOG_DEBUG("warden", "Got: {}", ByteArrayToHexStr(response)); - checkFailed = id; - continue; - } - - TC_LOG_DEBUG("warden", "RESULT MEM_CHECK passed CheckId {} account Id {}", id, _session->GetAccountId()); - break; - } - case PAGE_CHECK_A: - case PAGE_CHECK_B: - case DRIVER_CHECK: - case MODULE_CHECK: - { - if (buff.read<uint8>() != 0xE9) - { - TC_LOG_DEBUG("warden", "RESULT {} fail, CheckId {} account Id {}", EnumUtils::ToConstant(check.Type), id, _session->GetAccountId()); - checkFailed = id; - continue; - } - - TC_LOG_DEBUG("warden", "RESULT {} passed CheckId {} account Id {}", EnumUtils::ToConstant(check.Type), id, _session->GetAccountId()); - break; - } - case LUA_EVAL_CHECK: - { - uint8 const result = buff.read<uint8>(); - if (result == 0) - buff.read_skip(buff.read<uint8>()); // discard attached string - - TC_LOG_DEBUG("warden", "LUA_EVAL_CHECK CheckId {} account Id {} got in-warden dummy response ({})", id, _session->GetAccountId(), result); - break; - } - case MPQ_CHECK: - { - uint8 Mpq_Result; - buff >> Mpq_Result; - - if (Mpq_Result != 0) - { - TC_LOG_DEBUG("warden", "RESULT MPQ_CHECK not 0x00 account id {}", _session->GetAccountId()); - checkFailed = id; - continue; - } - - std::vector<uint8> result; - result.resize(Trinity::Crypto::SHA1::DIGEST_LENGTH); - buff.read(result.data(), result.size()); - if (result != sWardenCheckMgr->GetCheckResult(id)) // SHA1 - { - TC_LOG_DEBUG("warden", "RESULT MPQ_CHECK fail, CheckId {} account Id {}", id, _session->GetAccountId()); - checkFailed = id; - continue; - } - - TC_LOG_DEBUG("warden", "RESULT MPQ_CHECK passed, CheckId {} account Id {}", id, _session->GetAccountId()); - break; - } - default: // Should never happen - break; - } - } - - if (checkFailed > 0) - { - WardenCheck const& check = sWardenCheckMgr->GetCheckData(checkFailed); - char const* penalty = ApplyPenalty(&check); - TC_LOG_WARN("warden", "{} failed Warden check {} ({}). Action: {}", _session->GetPlayerInfo(), checkFailed, EnumUtils::ToConstant(check.Type), penalty); - } - - // Set hold off timer, minimum timer should at least be 1 second - uint32 holdOff = sWorld->getIntConfig(CONFIG_WARDEN_CLIENT_CHECK_HOLDOFF); - _checkTimer = (holdOff < 1 ? 1 : holdOff) * IN_MILLISECONDS; -} - -size_t WardenWin::DEBUG_ForceSpecificChecks(std::vector<uint16> const& checks) -{ - std::array<std::vector<uint16>::iterator, NUM_CHECK_CATEGORIES> swapPositions; - for (WardenCheckCategory category : EnumUtils::Iterate<WardenCheckCategory>()) - swapPositions[category] = _checks[category].first.begin(); - - size_t n = 0; - for (uint16 check : checks) - { - for (WardenCheckCategory category : EnumUtils::Iterate<WardenCheckCategory>()) - { - std::vector<uint16>& checks = _checks[category].first; - std::vector<uint16>::iterator& swapPos = swapPositions[category]; - if (auto it = std::find(swapPos, checks.end(), check); it != checks.end()) - { - std::iter_swap(swapPos, it); - ++swapPos; - ++n; - break; - } - } - } - - for (WardenCheckCategory category : EnumUtils::Iterate<WardenCheckCategory>()) - _checks[category].second = _checks[category].first.begin(); - - return n; -} |