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DarkflameServer/dNet/AuthPackets.cpp
Aaron Kimbre 5c4a174691 Merge branch 'main' into better-bitstream-tools
2023-08-04 21:35:48 -05:00

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#include "AuthPackets.h"
#include "BitstreamUtils.h"
#include "dNetCommon.h"
#include "dServer.h"
#include "dLogger.h"
#include "Database.h"
#include "ZoneInstanceManager.h"
#include "MD5.h"
#include "SHA512.h"
#include "GeneralUtils.h"
#ifdef _WIN32
#include <bcrypt/BCrypt.hpp>
#else
#include <bcrypt.h>
#endif
#include <BitStream.h>
#include <future>
#include "PacketUtils.h"
#include "Game.h"
#include "dConfig.h"
#include "eServerDisconnectIdentifiers.h"
#include "eLoginResponse.h"
#include "eConnectionType.h"
#include "eServerMessageType.h"
#include "eMasterMessageType.h"
#include "eStamps.h"
enum class ClientOS : uint8_t {
UNKNOWN,
WINDOWS,
MACOS
};
enum class LCID : uint16_t {
en_US = 0x0409,
de_DE = 0x0407,
en_GB = 0x0809
};
enum class Language : uint32_t {
en_US,
pl_US,
de_DE,
en_GB,
};
void Stamp::Serialize(RakNet::BitStream* outBitStream){
outBitStream->Write(type);
outBitStream->Write(value);
outBitStream->Write(timestamp);
};
void AuthPackets::HandleHandshake(dServer* server, Packet* packet) {
CINSTREAM_SKIP_HEADER
uint32_t clientVersion = 0;
inStream.Read(clientVersion);
uint32_t paddingZero;
inStream.Read(paddingZero);
if (paddingZero != 0) Game::logger->Log("AuthPackets::HandleHandShake", "WARNING: ZeroPadding is not Zero!");
ServiceId serviceId;
inStream.Read(serviceId);
if (serviceId != ServiceId::Client) Game::logger->Log("AuthPackets::HandleHandShake", "WARNING: Service ID is not a Client!");
uint32_t processID;
inStream.Read(processID);
uint16_t port;
inStream.Read(port);
LUWString paddingString(33);
inStream.Read(paddingString);
if (!paddingString.string.empty()) Game::logger->Log("AuthPackets::HandleHandShake", "WARNING: StringPadding is not empty!");
if (inStream.GetNumberOfUnreadBits() != 8) Game::logger->Log("AuthPackets::HandleHandShake", "WARNING: End padding is incorrect!");
Game::logger->Log("AuthPackets::HandleHandShake", "Client Data [Version: %i, PaddingZero: %i, Service: %u, Process: %u, Port: %u, paddingString: %s, Sysaddr Port: %u]", clientVersion, paddingZero, serviceId, processID, port, paddingString.string.c_str(), packet->systemAddress.port);
SendHandshake(server, packet->systemAddress, server->GetIP(), server->GetPort(), server->GetServerType());
}
void AuthPackets::SendHandshake(dServer* server, const SystemAddress& sysAddr, const std::string& nextServerIP, uint16_t nextServerPort, const ServerType serverType) {
RakNet::BitStream handshakeResponse;
BitstreamUtils::WriteHeader(handshakeResponse, eConnectionType::SERVER, eServerMessageType::VERSION_CONFIRM);
uint32_t netVersion;
if (!GeneralUtils::TryParse(Game::config->GetValue("client_net_version"), netVersion)) {
Game::logger->Log("AuthPackets", "Failed to parse client_net_version. Cannot authenticate to %s:%i", nextServerIP.c_str(), nextServerPort);
return;
}
handshakeResponse.Write<uint32_t>(netVersion);
handshakeResponse.Write<uint32_t>(0); // Unused/Unknown/Padding
if (serverType == ServerType::Auth) handshakeResponse.Write(ServiceId::Auth);
else if (serverType == ServerType::World) handshakeResponse.Write(ServiceId::World);
else handshakeResponse.Write(ServiceId::General);
server->Send(&handshakeResponse, sysAddr, false);
}
void AuthPackets::HandleLoginRequest(dServer* server, Packet* packet) {
CINSTREAM_SKIP_HEADER;
LUWString username(33);
inStream.Read(username);
std::string usernameString = GeneralUtils::UTF16ToWTF8(username.string);
LUWString password(41);
inStream.Read(password);
LCID locale_id;
inStream.Read(locale_id);
Game::logger->Log("AuthPackets", "Locale ID: %i", locale_id);
ClientOS clientOS;
inStream.Read(clientOS);
std::string clientOSString = "Unknown";
if (clientOS == ClientOS::WINDOWS) clientOSString = "Windows";
else if (clientOS == ClientOS::MACOS) clientOSString = "MacOS";
Game::logger->Log("AuthPackets", "Operating System: %s",clientOSString.c_str());
LUWString memoryStats(256);
inStream.Read(memoryStats);
Game::logger->Log("AuthPackets", "Memory Stats [%s]", memoryStats.GetAsString().c_str());
LUWString videoCard(128);
inStream.Read(videoCard);
Game::logger->Log("AuthPackets", "VideoCard Info: [%s]", videoCard.GetAsString().c_str());
// Processor/CPU info
uint32_t numOfProcessors;
inStream.Read(numOfProcessors);
uint32_t processorType;
inStream.Read(processorType);
uint16_t processorLevel;
inStream.Read(processorLevel);
uint16_t processorRevision;
inStream.Read(processorRevision);
Game::logger->Log("AuthPackets", "CPU Info: [#Processors: %i, Processor Type: %i, Processor Level: %i, Processor Revision: %i]", numOfProcessors, processorType, processorLevel, processorRevision);
// OS Info
uint32_t osVersionInfoSize;
inStream.Read(osVersionInfoSize);
uint32_t majorVersion;
inStream.Read(majorVersion);
uint32_t minorVersion;
inStream.Read(minorVersion);
uint32_t buildNumber;
inStream.Read(buildNumber);
uint32_t platformID;
inStream.Read(platformID);
Game::logger->Log("AuthPackets", "OS Info: [Size: %i, Major: %i, Minor %i, Buid#: %i, platformID: %i]", osVersionInfoSize, majorVersion, minorVersion, buildNumber, platformID);
// Fetch account details
std::unique_ptr<sql::PreparedStatement> stmt(Database::CreatePreppedStmt("SELECT password, banned, locked, play_key_id, gm_level FROM accounts WHERE name=? LIMIT 1;"));
stmt->setString(1, usernameString.c_str());
std::unique_ptr<sql::ResultSet> res(stmt->executeQuery());
if (res->rowsCount() == 0) {
server->GetLogger()->Log("AuthPackets", "No user found!");
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::INVALID_USER, "", "", 2001, usernameString);
return;
}
std::string sqlPass = "";
bool sqlBanned = false;
bool sqlLocked = false;
uint32_t sqlPlayKey = 0;
uint32_t sqlGmLevel = 0;
while (res->next()) {
sqlPass = res->getString(1).c_str();
sqlBanned = res->getBoolean(2);
sqlLocked = res->getBoolean(3);
sqlPlayKey = res->getInt(4);
sqlGmLevel = res->getInt(5);
}
int32_t bcryptState = ::bcrypt_checkpw(GeneralUtils::UTF16ToWTF8(password.string).c_str(), sqlPass.c_str());
if (bcryptState != 0) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::WRONG_PASS, "", "", 2001, usernameString);
server->GetLogger()->Log("AuthPackets", "Wrong password used");
return;
}
//If we aren't running in live mode, then only GMs are allowed to enter:
const auto& closedToNonDevs = Game::config->GetValue("closed_to_non_devs");
if (closedToNonDevs.size() > 0 && bool(std::stoi(closedToNonDevs)) && sqlGmLevel == 0) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "The server is currently only open to developers.", "", 2001, usernameString);
return;
}
if (Game::config->GetValue("dont_use_keys") != "1") {
//Check to see if we have a play key:
if (sqlPlayKey == 0 && sqlGmLevel == 0) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your account doesn't have a play key associated with it!", "", 2001, usernameString);
server->GetLogger()->Log("AuthPackets", "User %s tried to log in, but they don't have a play key.", usernameString.c_str());
return;
}
//Check if the play key is _valid_:
auto keyCheckStmt = Database::CreatePreppedStmt("SELECT active FROM `play_keys` WHERE id=?");
keyCheckStmt->setInt(1, sqlPlayKey);
auto keyRes = keyCheckStmt->executeQuery();
bool isKeyActive = false;
if (keyRes->rowsCount() == 0 && sqlGmLevel == 0) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your account doesn't have a play key associated with it!", "", 2001, usernameString);
return;
}
while (keyRes->next()) {
isKeyActive = (bool)keyRes->getInt(1);
}
if (!isKeyActive && sqlGmLevel == 0) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your play key has been disabled.", "", 2001, usernameString);
server->GetLogger()->Log("AuthPackets", "User %s tried to log in, but their play key was disabled", usernameString.c_str());
return;
}
}
if (sqlBanned) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::BANNED, "", "", 2001, usernameString);
return;
}
if (sqlLocked) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::ACCOUNT_LOCKED, "", "", 2001, usernameString);
return;
}
auto system = packet->systemAddress; //Copy the sysAddr before the Packet gets destroyed from main
if (!server->GetIsConnectedToMaster()) {
AuthPackets::SendLoginResponse(server, system, eLoginResponse::GENERAL_FAILED, "Unable to Connect to Master Server", "", 0, usernameString);
Game::logger->Log("AuthPackets", "Unable to complete login of user %s due to no connection to Master", usernameString.c_str());
return;
}
ZoneInstanceManager::Instance()->RequestZoneTransfer(server, 0, 0, false, [system, server, usernameString](bool mythranShift, uint32_t zoneID, uint32_t zoneInstance, uint32_t zoneClone, std::string zoneIP, uint16_t zonePort) {
AuthPackets::SendLoginResponse(server, system, eLoginResponse::SUCCESS, "", zoneIP, zonePort, usernameString);
});
}
void AuthPackets::SendLoginResponse(dServer* server, const SystemAddress& sysAddr, eLoginResponse responseCode, const std::string& errorMsg, const std::string& wServerIP, uint16_t wServerPort, std::string username) {
RakNet::BitStream loginResponse;
BitstreamUtils::WriteHeader(loginResponse, eConnectionType::CLIENT, eClientMessageType::LOGIN_RESPONSE);
loginResponse.Write(responseCode);
// Events
loginResponse.Write(LUString("Talk_Like_A_Pirate"));
loginResponse.Write(LUString(""));
loginResponse.Write(LUString(""));
loginResponse.Write(LUString(""));
loginResponse.Write(LUString(""));
loginResponse.Write(LUString(""));
loginResponse.Write(LUString(""));
loginResponse.Write(LUString(""));
loginResponse.Write(static_cast<uint16_t>(1)); // Version Major
loginResponse.Write(static_cast<uint16_t>(10)); // Version Current
loginResponse.Write(static_cast<uint16_t>(64)); // Version Minor
// Writes the user key
uint32_t sessionKey = GeneralUtils::GenerateRandomNumber<uint32_t>();
std::string userHash = std::to_string(sessionKey);
userHash = md5(userHash);
loginResponse.Write(LUWString(userHash));
// World Server IP
loginResponse.Write(LUString(wServerIP));
// Chat Server IP (unused)
loginResponse.Write(LUString(""));
// World Server Redirect port
loginResponse.Write(wServerPort);
// Char Server Redirect port (unused)
loginResponse.Write(static_cast<uint16_t>(0));
// CDN Key
loginResponse.Write(LUString(""));
// CDN Ticket
loginResponse.Write(LUString("00000000-0000-0000-0000-000000000000", 37));
// Language
loginResponse.Write(Language::en_US);
// Country Code
loginResponse.Write(LUString("US", 3));
// Just upgraded from FTP
loginResponse.Write(static_cast<uint8_t>(false));
// Is FTP, static_cast<uint32_t>(errorMsg.length()))
loginResponse.Write(static_cast<uint8_t>(false));
// Time remaining in FTP
loginResponse.Write(static_cast<uint64_t>(0));
// Write custom error message
loginResponse.Write(static_cast<uint16_t>(errorMsg.length()));
loginResponse.Write(errorMsg);
// Stamps
std::vector<Stamp> stamps;
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_START, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_COMMUNICATION_START, 207, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_RECEIVED, 13, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_THREAD_SPAWN, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_WEBSERVICE_START, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_WEBSERVICE_FINISH, 1, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_THREAD_FINISH, 1, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_REPLY, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_LEGOINT_COMMUNICATION_END, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_DB_INSERT_START, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_DB_INSERT_FINISH, 1, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_CLIENT_OS, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_WORLD_COMMUNICATION_START, 16087, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_WORLD_PACKET_RECEIVED, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_IM_COMMUNICATION_START, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_IM_LOGIN_START, 5926, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_IM_LOGIN_RESPONSE, 5926, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_IM_COMMUNICATION_END, 1, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_WORLD_SESSION_CONFIRM_TO_AUTH, 0, time(nullptr)));
stamps.push_back(Stamp(eStamps::PASSPORT_AUTH_WORLD_COMMUNICATION_FINISH, 16087, time(nullptr)));
loginResponse.Write(static_cast<uint32_t>((sizeof(Stamp) * stamps.size()) + sizeof(uint32_t)));
for (auto& stamp : stamps) {
stamp.Serialize(&loginResponse);
}
PacketUtils::SavePacket("loginresponse",(const char*)loginResponse.GetData(), loginResponse.GetNumberOfBytesUsed());
Game::logger->Log("AuthPackets", "Sending Login Response...");
server->Send(&loginResponse, sysAddr, false);
//Inform the master server that we've created a session for this user:
{
CBITSTREAM;
BitstreamUtils::WriteHeader(bitStream, eConnectionType::MASTER, eMasterMessageType::SET_SESSION_KEY);
bitStream.Write(sessionKey);
bitStream.Write(LUString(username, 66));
server->SendToMaster(&bitStream);
server->GetLogger()->Log("AuthPackets", "Set sessionKey: %i for user %s", sessionKey, username.c_str());
}
}
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