Files
DarkflameServer/dNet/AuthPackets.cpp
Aaron Kimbrell 824d563fd2 WIP
2025-09-08 21:45:33 -05:00

417 lines
15 KiB
C++

#include "AuthPackets.h"
#include "BitStreamUtils.h"
#include "dNetCommon.h"
#include "dServer.h"
#include "Logger.h"
#include "Database.h"
#include "ZoneInstanceManager.h"
#include "MD5.h"
#include "GeneralUtils.h"
#include "dClient/ClientVersion.h"
#include <bcrypt/BCrypt.hpp>
#include "BitStream.h"
#include <future>
#include "Game.h"
#include "dConfig.h"
#include "eServerDisconnectIdentifiers.h"
#include "eLoginResponse.h"
#include "ServiceType.h"
#include "MessageType/Server.h"
#include "MessageType/Master.h"
#include "eGameMasterLevel.h"
#include "StringifiedEnum.h"
namespace {
std::vector<uint32_t> claimCodes;
}
void Stamp::Serialize(RakNet::BitStream& outBitStream) {
outBitStream.Write(type);
outBitStream.Write(value);
outBitStream.Write(timestamp);
};
namespace AuthPackets {
std::map<eMessageID, std::function<std::unique_ptr<AuthLUBitStream>()>> g_Handlers = {
{eMessageID::HandshakeRequest, []() {
return std::make_unique<HandshakeRequest>();
}},
{eMessageID::LoginRequest, []() {
return std::make_unique<LoginRequest>();
}},
};
void AuthLUBitStream::Serialize(RakNet::BitStream& bitStream) const {
bitStream.Write(messageID);
}
bool AuthLUBitStream::Deserialize(RakNet::BitStream& bitstream) {
VALIDATE_READ(bitstream.Read(messageID));
return true;
}
bool HandshakeRequest::Deserialize(RakNet::BitStream& bitStream) {
VALIDATE_READ(bitStream.Read(clientVersion));
bitStream.IgnoreBytes(4);
VALIDATE_READ(bitStream.Read(serviceType));
if (serviceType != ServiceType::CLIENT) LOG("WARNING: Service is not a Client!");
bitStream.IgnoreBytes(2);
VALIDATE_READ(bitStream.Read(processID));
VALIDATE_READ(bitStream.Read(port));
if (port != sysAddr.port) LOG("WARNING: Port written in packet does not match the port the client is connecting over!");
bitStream.IgnoreBytes(33);
return true;
}
void HandshakeRequest::Handle() {
LOG_DEBUG("Client Data [Version: %i, Service: %s, Process: %u, Port: %u, Sysaddr Port: %u]",
clientVersion, StringifiedEnum::ToString(serviceType).data(), processID, port, sysAddr.port);
HandshakeResponse response(server->GetIP(), server->GetPort(), server->GetServerType());
response.server = server;
response.Send(sysAddr);
}
void HandshakeResponse::Serialize(RakNet::BitStream& bitStream) const {
BitStreamUtils::WriteHeader(bitStream, ServiceType::COMMON, MessageType::Server::VERSION_CONFIRM);
const auto& clientNetVersionString = Game::config->GetValue("client_net_version");
const uint32_t clientNetVersion = GeneralUtils::TryParse<uint32_t>(clientNetVersionString).value_or(171022);
bitStream.Write<uint32_t>(clientNetVersion);
bitStream.Write<uint32_t>(861228100);
bitStream.Write(static_cast<uint32_t>(serverType));
bitStream.Write<uint64_t>(219818307120);
}
std::string CleanReceivedString(const std::string& str) {
std::string toReturn = str;
const auto removed = std::ranges::find_if(toReturn, [](unsigned char c) { return isprint(c) == 0 && isblank(c) == 0; });
toReturn.erase(removed, toReturn.end());
return toReturn;
}
bool LoginRequest::Deserialize(RakNet::BitStream& bitStream) {
LUWString usernameLUString;
VALIDATE_READ(bitStream.Read(usernameLUString));
username = usernameLUString.GetAsString();
LUWString passwordLUString(41);
VALIDATE_READ(bitStream.Read(passwordLUString));
password = passwordLUString.GetAsString();
VALIDATE_READ(bitStream.Read(locale_id));
LOG_DEBUG("Locale ID: %s", StringifiedEnum::ToString(locale_id).data());
VALIDATE_READ(bitStream.Read(clientOS));
LOG_DEBUG("Operating System: %s", StringifiedEnum::ToString(clientOS).data());
LUWString memoryStatsLU(256);
VALIDATE_READ(bitStream.Read(memoryStatsLU));
computerInfo.memoryStats = CleanReceivedString(memoryStatsLU.GetAsString());
LOG_DEBUG("Memory Stats [%s]", computerInfo.memoryStats.c_str());
LUWString videoCardLU(128);
VALIDATE_READ(bitStream.Read(videoCardLU));
computerInfo.videoCard = CleanReceivedString(videoCardLU.GetAsString());
LOG_DEBUG("VideoCard Info: [%s]", computerInfo.videoCard.c_str());
// Processor/CPU info
VALIDATE_READ(bitStream.Read(computerInfo.processorInfo.count));
VALIDATE_READ(bitStream.Read(computerInfo.processorInfo.type));
VALIDATE_READ(bitStream.Read(computerInfo.processorInfo.level));
VALIDATE_READ(bitStream.Read(computerInfo.processorInfo.revision));
LOG_DEBUG("CPU Info: [#Processors: %i, Processor Type: %s, Processor Level: %s, Processor Revision: %s]",
computerInfo.processorInfo.count,
StringifiedEnum::ToString(computerInfo.processorInfo.type).data(),
StringifiedEnum::ToString(computerInfo.processorInfo.level).data(),
StringifiedEnum::ToString(computerInfo.processorInfo.revision).data()
);
// OS Info
VALIDATE_READ(bitStream.Read(computerInfo.osVersionInfo.infoSize));
VALIDATE_READ(bitStream.Read(computerInfo.osVersionInfo.version));
VALIDATE_READ(bitStream.Read(computerInfo.osVersionInfo.buildNumber));
VALIDATE_READ(bitStream.Read(computerInfo.osVersionInfo.platformID));
LOG_DEBUG("OS Info: [Size: %i, Version: %s, Buid#: %s, platformID: %s]",
computerInfo.osVersionInfo.infoSize,
StringifiedEnum::ToString(computerInfo.osVersionInfo.version).data(),
StringifiedEnum::ToString(computerInfo.osVersionInfo.buildNumber).data(),
StringifiedEnum::ToString(computerInfo.osVersionInfo.platformID).data()
);
return true;
}
void LoginRequest::Handle() {
std::vector<Stamp> stamps;
stamps.emplace_back(eStamps::PASSPORT_AUTH_START, 0);
stamps.emplace_back(eStamps::PASSPORT_AUTH_CLIENT_OS, 0);
// Fetch account details
auto accountInfo = Database::Get()->GetAccountInfo(username);
if (!accountInfo) {
LOG("No user by name %s found!", username.c_str());
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::INVALID_USER, "", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
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)) && accountInfo->maxGmLevel == eGameMasterLevel::CIVILIAN) {
stamps.emplace_back(eStamps::GM_REQUIRED, 1);
LoginResponse response(eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "The server is currently only open to developers.", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
return;
}
if (Game::config->GetValue("dont_use_keys") != "1" && accountInfo->maxGmLevel == eGameMasterLevel::CIVILIAN) {
//Check to see if we have a play key:
if (accountInfo->playKeyId == 0) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your account doesn't have a play key associated with it!", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
LOG("User %s tried to log in, but they don't have a play key.", username.c_str());
return;
}
//Check if the play key is _valid_:
auto playKeyStatus = Database::Get()->IsPlaykeyActive(accountInfo->playKeyId);
if (!playKeyStatus) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your account doesn't have a valid play key associated with it!", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
return;
}
if (!playKeyStatus.value()) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your play key has been disabled.", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
LOG("User %s tried to log in, but their play key was disabled", username.c_str());
return;
}
} else if (Game::config->GetValue("dont_use_keys") == "1" || accountInfo->maxGmLevel > eGameMasterLevel::CIVILIAN) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_BYPASS, 1);
}
if (accountInfo->banned) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::BANNED, "", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
return;
}
if (accountInfo->locked) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::ACCOUNT_LOCKED, "", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
return;
}
bool loginSuccess = ::bcrypt_checkpw(password.c_str(), accountInfo->bcryptPassword.c_str()) == 0;
if (!loginSuccess) {
stamps.emplace_back(eStamps::PASSPORT_AUTH_ERROR, 1);
LoginResponse response(eLoginResponse::WRONG_PASS, "", "", 2001, username, stamps);
response.server = server;
response.Send(sysAddr);
LOG("Wrong password used");
} else {
SystemAddress system = sysAddr; //Copy the sysAddr
auto serverPtr = server;
auto usernameCopy = username;
ZoneInstanceManager::Instance()->RequestZoneTransfer(server, 0, 0, false, [system, serverPtr, usernameCopy, stamps](bool mythranShift, uint32_t zoneID, uint32_t zoneInstance, uint32_t zoneClone, std::string zoneIP, uint16_t zonePort) mutable {
LoginResponse response(eLoginResponse::SUCCESS, "", zoneIP, zonePort, usernameCopy, stamps);
response.server = serverPtr;
response.Send(system);
return;
}
);
for (auto const code : claimCodes) {
Database::Get()->InsertRewardCode(accountInfo->id, code);
}
}
}
void LoginResponse::Serialize(RakNet::BitStream& bitStream) const {
std::vector<Stamp> mutableStamps = stamps;
mutableStamps.emplace_back(eStamps::PASSPORT_AUTH_IM_LOGIN_START, 1);
BitStreamUtils::WriteHeader(bitStream, ServiceType::CLIENT, MessageType::Client::LOGIN_RESPONSE);
bitStream.Write(responseCode);
// Event Gating
bitStream.Write(LUString(Game::config->GetValue("event_1")));
bitStream.Write(LUString(Game::config->GetValue("event_2")));
bitStream.Write(LUString(Game::config->GetValue("event_3")));
bitStream.Write(LUString(Game::config->GetValue("event_4")));
bitStream.Write(LUString(Game::config->GetValue("event_5")));
bitStream.Write(LUString(Game::config->GetValue("event_6")));
bitStream.Write(LUString(Game::config->GetValue("event_7")));
bitStream.Write(LUString(Game::config->GetValue("event_8")));
const uint16_t version_major =
GeneralUtils::TryParse<uint16_t>(Game::config->GetValue("version_major")).value_or(ClientVersion::major);
const uint16_t version_current =
GeneralUtils::TryParse<uint16_t>(Game::config->GetValue("version_current")).value_or(ClientVersion::current);
const uint16_t version_minor =
GeneralUtils::TryParse<uint16_t>(Game::config->GetValue("version_minor")).value_or(ClientVersion::minor);
bitStream.Write(version_major);
bitStream.Write(version_current);
bitStream.Write(version_minor);
// Writes the user key
uint32_t sessionKey = GeneralUtils::GenerateRandomNumber<uint32_t>();
std::string userHash = std::to_string(sessionKey);
userHash = md5(userHash);
bitStream.Write(LUWString(userHash));
// World Server IP
bitStream.Write(LUString(wServerIP));
// Chat Server IP (unused)
bitStream.Write(LUString(""));
// World Server Redirect port
bitStream.Write(wServerPort);
// Char Server Redirect port (unused)
bitStream.Write(static_cast<uint16_t>(0));
// CDN Key
bitStream.Write(LUString(""));
// CDN Ticket
bitStream.Write(LUString("00000000-0000-0000-0000-000000000000", 37));
// Language
bitStream.Write(Language::en_US);
// Write the localization
bitStream.Write(LUString("US", 3));
bitStream.Write<uint8_t>(false); // Just upgraded from F2P
bitStream.Write<uint8_t>(false); // User is F2P
bitStream.Write<uint64_t>(0); // Time Remaining in F2P
// Write custom error message
bitStream.Write<uint16_t>(errorMsg.length());
bitStream.Write(LUWString(errorMsg, static_cast<uint32_t>(errorMsg.length())));
mutableStamps.emplace_back(eStamps::PASSPORT_AUTH_WORLD_COMMUNICATION_FINISH, 1);
bitStream.Write<uint32_t>((sizeof(Stamp) * mutableStamps.size()) + sizeof(uint32_t));
for (auto& stamp : mutableStamps) stamp.Serialize(bitStream);
//Inform the master server that we've created a session for this user:
if (responseCode == eLoginResponse::SUCCESS && server) {
uint32_t masterSessionKey = GeneralUtils::GenerateRandomNumber<uint32_t>();
RakNet::BitStream masterBitStream;
BitStreamUtils::WriteHeader(masterBitStream, ServiceType::MASTER, MessageType::Master::SET_SESSION_KEY);
masterBitStream.Write(masterSessionKey);
masterBitStream.Write(LUString(username));
server->SendToMaster(masterBitStream);
LOG("Set sessionKey: %i for user %s", masterSessionKey, username.c_str());
}
}
void LoadClaimCodes() {
if(!claimCodes.empty()) return;
auto rcstring = Game::config->GetValue("rewardcodes");
auto codestrings = GeneralUtils::SplitString(rcstring, ',');
for(auto const &codestring: codestrings){
const auto code = GeneralUtils::TryParse<uint32_t>(codestring);
if (code && code.value() != -1) claimCodes.push_back(code.value());
}
}
}
// Legacy wrapper functions for backward compatibility
void AuthPackets::HandleHandshake(dServer* server, Packet* packet) {
CINSTREAM_SKIP_HEADER;
HandshakeRequest request;
request.sysAddr = packet->systemAddress;
request.server = server;
if (request.Deserialize(inStream)) {
request.Handle();
} else {
LOG_DEBUG("Error Reading Handshake Request");
}
}
void AuthPackets::SendHandshake(dServer* server, const SystemAddress& sysAddr, const std::string& nextServerIP, uint16_t nextServerPort, const ServiceType serverType) {
HandshakeResponse response(nextServerIP, nextServerPort, serverType);
response.server = server;
response.Send(sysAddr);
}
void AuthPackets::HandleLoginRequest(dServer* server, Packet* packet) {
CINSTREAM_SKIP_HEADER;
LoginRequest request;
request.sysAddr = packet->systemAddress;
request.server = server;
if (request.Deserialize(inStream)) {
request.Handle();
} else {
LOG_DEBUG("Error Reading Login Request");
}
}
void AuthPackets::SendLoginResponse(dServer* server, const SystemAddress& sysAddr, eLoginResponse responseCode, const std::string& errorMsg, const std::string& wServerIP, uint16_t wServerPort, std::string username, std::vector<Stamp>& stamps) {
LoginResponse response(responseCode, errorMsg, wServerIP, wServerPort, username, stamps);
response.server = server;
response.Send(sysAddr);
}
// Non Struct Functions
void AuthPackets::HandleAuth(RakNet::BitStream& inStream, const SystemAddress& sysAddr, dServer* server) {
AuthLUBitStream data;
if (!data.Deserialize(inStream)) {
LOG_DEBUG("Error Reading Auth header");
return;
}
auto it = g_Handlers.find(data.messageID);
if (it != g_Handlers.end()) {
auto request = it->second();
request->sysAddr = sysAddr;
request->server = server;
if (!request->Deserialize(inStream)) {
LOG_DEBUG("Error Reading Auth Request: %s", StringifiedEnum::ToString(data.messageID).data());
return;
}
LOG("Received auth message %s", StringifiedEnum::ToString(data.messageID).data());
request->Handle();
} else {
LOG_DEBUG("Unhandled Auth Request with ID: %i", data.messageID);
}
}