DarkflameServer/dNet/AuthPackets.cpp
Daniel Seiler 85672e060a
fix: signal handling (#1375)
* fix: signal handling

* fix: flush WorldServer logger before main loop

* fix: consolidate signal code
2024-01-01 21:50:00 -06:00

234 lines
8.7 KiB
C++

#include "AuthPackets.h"
#include "PacketUtils.h"
#include "BitStreamUtils.h"
#include "dNetCommon.h"
#include "dServer.h"
#include "Logger.h"
#include "Database.h"
#include "ZoneInstanceManager.h"
#include "MD5.h"
#include "SHA512.h"
#include "GeneralUtils.h"
#include <bcrypt/BCrypt.hpp>
#include <BitStream.h>
#include <future>
#include "Game.h"
#include "dConfig.h"
#include "eServerDisconnectIdentifiers.h"
#include "eLoginResponse.h"
#include "eConnectionType.h"
#include "eServerMessageType.h"
#include "eMasterMessageType.h"
#include "eGameMasterLevel.h"
namespace {
std::vector<uint32_t> claimCodes;
}
void AuthPackets::LoadClaimCodes() {
if(!claimCodes.empty()) return;
auto rcstring = Game::config->GetValue("rewardcodes");
auto codestrings = GeneralUtils::SplitString(rcstring, ',');
for(auto const &codestring: codestrings){
uint32_t code = -1;
if(GeneralUtils::TryParse(codestring, code) && code != -1){
claimCodes.push_back(code);
}
}
}
void AuthPackets::HandleHandshake(dServer* server, Packet* packet) {
RakNet::BitStream inStream(packet->data, packet->length, false);
uint64_t header = inStream.Read(header);
uint32_t clientVersion = 0;
inStream.Read(clientVersion);
LOG("Received client version: %i", clientVersion);
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 bitStream;
BitStreamUtils::WriteHeader(bitStream, eConnectionType::SERVER, eServerMessageType::VERSION_CONFIRM);
uint32_t netVersion;
const std::string& expectedVersion = Game::config->GetValue("client_net_version");
LOG("Expected Version: '%s'", expectedVersion.c_str());
if (!GeneralUtils::TryParse(expectedVersion, netVersion)) {
LOG("Failed to parse client_net_version. Cannot authenticate to %s:%i", nextServerIP.c_str(), nextServerPort);
return;
}
bitStream.Write<uint32_t>(netVersion);
bitStream.Write<uint32_t>(0x93);
if (serverType == ServerType::Auth) bitStream.Write(uint32_t(1)); //Conn: auth
else bitStream.Write<uint32_t>(4); //Conn: world
bitStream.Write<uint32_t>(0); //Server process ID
bitStream.Write(nextServerPort);
server->Send(&bitStream, sysAddr, false);
}
void AuthPackets::HandleLoginRequest(dServer* server, Packet* packet) {
std::string username = PacketUtils::ReadString(8, packet, true);
std::string password = PacketUtils::ReadString(0x4A, packet, true);
const char* szUsername = username.c_str();
// Fetch account details
auto accountInfo = Database::Get()->GetAccountInfo(username);
if (!accountInfo) {
LOG("No user by name %s found!", username.c_str());
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::INVALID_USER, "", "", 2001, username);
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) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "The server is currently only open to developers.", "", 2001, username);
return;
}
if (Game::config->GetValue("dont_use_keys") != "1" && accountInfo->maxGmLevel == eGameMasterLevel::CIVILIAN) {
LOG("");
//Check to see if we have a play key:
if (accountInfo->playKeyId == 0) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your account doesn't have a play key associated with it!", "", 2001, username);
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) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your account doesn't have a valid play key associated with it!", "", 2001, username);
return;
}
if (!playKeyStatus.value()) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::PERMISSIONS_NOT_HIGH_ENOUGH, "Your play key has been disabled.", "", 2001, username);
LOG("User %s tried to log in, but their play key was disabled", username.c_str());
return;
}
}
if (accountInfo->banned) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::BANNED, "", "", 2001, username); return;
}
if (accountInfo->locked) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::ACCOUNT_LOCKED, "", "", 2001, username); return;
}
bool loginSuccess = ::bcrypt_checkpw(password.c_str(), accountInfo->bcryptPassword.c_str()) == 0;
if (!loginSuccess) {
AuthPackets::SendLoginResponse(server, packet->systemAddress, eLoginResponse::WRONG_PASS, "", "", 2001, username);
LOG("Wrong password used");
} else {
SystemAddress system = packet->systemAddress; //Copy the sysAddr before the Packet gets destroyed from main
if (!server->GetIsConnectedToMaster()) {
AuthPackets::SendLoginResponse(server, system, eLoginResponse::GENERAL_FAILED, "", "", 0, username);
return;
}
ZoneInstanceManager::Instance()->RequestZoneTransfer(server, 0, 0, false, [system, server, username](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, username);
});
}
for(auto const code: claimCodes){
Database::Get()->InsertRewardCode(accountInfo->id, code);
}
}
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 packet;
BitStreamUtils::WriteHeader(packet, eConnectionType::CLIENT, eClientMessageType::LOGIN_RESPONSE);
packet.Write<uint8_t>(GeneralUtils::CastUnderlyingType(responseCode));
// Event Gating
packet.Write(LUString(Game::config->GetValue("event_1")));
packet.Write(LUString(Game::config->GetValue("event_2")));
packet.Write(LUString(Game::config->GetValue("event_3")));
packet.Write(LUString(Game::config->GetValue("event_4")));
packet.Write(LUString(Game::config->GetValue("event_5")));
packet.Write(LUString(Game::config->GetValue("event_6")));
packet.Write(LUString(Game::config->GetValue("event_7")));
packet.Write(LUString(Game::config->GetValue("event_8")));
uint16_t version_major = 1;
uint16_t version_current = 10;
uint16_t version_minor = 64;
GeneralUtils::TryParse<uint16_t>(Game::config->GetValue("version_major"), version_major);
GeneralUtils::TryParse<uint16_t>(Game::config->GetValue("version_current"), version_current);
GeneralUtils::TryParse<uint16_t>(Game::config->GetValue("version_minor"), version_minor);
packet.Write(version_major);
packet.Write(version_current);
packet.Write(version_minor);
// Writes the user key
uint32_t sessionKey = GeneralUtils::GenerateRandomNumber<uint32_t>();
std::string userHash = std::to_string(sessionKey);
userHash = md5(userHash);
packet.Write(LUWString(userHash));
// Write the Character and Chat IPs
packet.Write(LUString(wServerIP));
packet.Write(LUString(""));
// Write the Character and Chat Ports
packet.Write<uint16_t>(wServerPort);
packet.Write<uint16_t>(0);
// CDN Key
packet.Write(LUString(""));
// CDN Ticket
packet.Write(LUString("00000000-0000-0000-0000-000000000000", 37));
packet.Write<uint32_t>(0); // Language
// Write the localization
packet.Write(LUString("US", 3));
packet.Write<uint8_t>(false); // Just upgraded from F2P
packet.Write<uint8_t>(false); // User is F2P
packet.Write<uint64_t>(0); // Time Remaining in F2P
// Write custom error message
packet.Write<uint16_t>(errorMsg.length());
packet.Write(LUWString(errorMsg, static_cast<uint32_t>(errorMsg.length())));
// Here write auth logs
packet.Write<uint32_t>(20);
for (uint32_t i = 0; i < 20; ++i) {
packet.Write<uint32_t>(8);
packet.Write<uint32_t>(44);
packet.Write<uint32_t>(14000);
packet.Write<uint32_t>(0);
}
server->Send(&packet, sysAddr, false);
//Inform the master server that we've created a session for this user:
if (responseCode == eLoginResponse::SUCCESS) {
CBITSTREAM;
BitStreamUtils::WriteHeader(bitStream, eConnectionType::MASTER, eMasterMessageType::SET_SESSION_KEY);
bitStream.Write(sessionKey);
bitStream.Write(LUString(username, 66));
server->SendToMaster(&bitStream);
LOG("Set sessionKey: %i for user %s", sessionKey, username.c_str());
}
}