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BeamMP-Launcher/src/Security/BeamNG.cpp
Anonymous275 16ea84b4cf
Merge branch 'master' into patch-1
2021-01-01 16:34:27 +02:00

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// Copyright (c) 2019-present Anonymous275.
// BeamMP Launcher code is not in the public domain and is not free software.
// One must be granted explicit permission by the copyright holder in order to modify or distribute any part of the source or binaries.
// Anything else is prohibited. Modified works may not be published and have be upstreamed to the official repository.
///
/// Created by Anonymous275 on 7/18/2020
///
#include <filesystem>
#include <Windows.h>
#include "Logger.h"
#include <fstream>
#include <sstream>
#include <string>
#include <thread>
#include <ShlDisp.h>
#define MAX_KEY_LENGTH 255
#define MAX_VALUE_NAME 16383
int TraceBack = 0;
std::string GameDir;
void lowExit(int code){
TraceBack = 0;
std::string msg =
"Failed to find the game please launch it. Report this if the issue persists code ";
error(msg+std::to_string(code));
std::this_thread::sleep_for(std::chrono::seconds(10));
exit(2);
}
void Exit(int code){
TraceBack = 0;
std::string msg =
"Sorry. We do not support cracked copies report this if you believe this is a mistake code ";
error(msg+std::to_string(code));
std::this_thread::sleep_for(std::chrono::seconds(10));
exit(3);
}
void SteamExit(int code){
TraceBack = 0;
std::string msg =
"Illegal steam modifications detected report this if you believe this is a mistake code ";
error(msg+std::to_string(code));
std::this_thread::sleep_for(std::chrono::seconds(10));
exit(4);
}
std::string GetGameDir(){
if(TraceBack != 4)Exit(0);
return GameDir.substr(0,GameDir.find_last_of('\\'));
}
LONG OpenKey(HKEY root,const char* path,PHKEY hKey){
return RegOpenKeyEx(root, reinterpret_cast<LPCSTR>(path), 0, KEY_READ, hKey);
}
std::string QueryKey(HKEY hKey,int ID){
TCHAR achKey[MAX_KEY_LENGTH]; // buffer for subkey name
DWORD cbName; // size of name string
TCHAR achClass[MAX_PATH] = TEXT(""); // buffer for class name
DWORD cchClassName = MAX_PATH; // size of class string
DWORD cSubKeys=0; // number of subkeys
DWORD cbMaxSubKey; // longest subkey size
DWORD cchMaxClass; // longest class string
DWORD cValues; // number of values for key
DWORD cchMaxValue; // longest value name
DWORD cbMaxValueData; // longest value data
DWORD cbSecurityDescriptor; // size of security descriptor
FILETIME ftLastWriteTime; // last write time
DWORD i, retCode;
TCHAR achValue[MAX_VALUE_NAME];
DWORD cchValue = MAX_VALUE_NAME;
retCode = RegQueryInfoKey(
hKey, // key handle
achClass, // buffer for class name
&cchClassName, // size of class string
nullptr, // reserved
&cSubKeys, // number of subkeys
&cbMaxSubKey, // longest subkey size
&cchMaxClass, // longest class string
&cValues, // number of values for this key
&cchMaxValue, // longest value name
&cbMaxValueData, // longest value data
&cbSecurityDescriptor, // security descriptor
&ftLastWriteTime); // last write time
BYTE* buffer = new BYTE[cbMaxValueData];
ZeroMemory(buffer, cbMaxValueData);
if (cSubKeys){
for (i=0; i<cSubKeys; i++){
cbName = MAX_KEY_LENGTH;
retCode = RegEnumKeyEx(hKey, i,achKey,&cbName,nullptr,nullptr,nullptr,&ftLastWriteTime);
if (retCode == ERROR_SUCCESS){
if(strcmp(achKey,"Steam App 284160") == 0){
return achKey;
}
}
}
}
if (cValues){
for (i=0, retCode = ERROR_SUCCESS; i<cValues; i++){
cchValue = MAX_VALUE_NAME;
achValue[0] = '\0';
retCode = RegEnumValue(hKey, i,achValue,&cchValue,nullptr,nullptr,nullptr,nullptr);
if (retCode == ERROR_SUCCESS ){
DWORD lpData = cbMaxValueData;
buffer[0] = '\0';
LONG dwRes = RegQueryValueEx(hKey, achValue, nullptr, nullptr, buffer, &lpData);
std::string data = (char *)(buffer);
std::string key = achValue;
switch (ID){
case 1: if(key == "SteamExe"){
auto p = data.find_last_of("/\\");
if(p != std::string::npos){
return data.substr(0,p);
}
}
break;
case 2: if(key == "Name" && data == "BeamNG.drive")return data;break;
case 3: if(key == "rootpath")return data;break;
case 4: if(key == "userpath_override")return data;
case 5: if(key == "Personal")return data;
default: break;
}
}
}
}
delete [] buffer;
return "";
}
namespace fs = std::filesystem;
void FileList(std::vector<std::string>&a,const std::string& Path){
for (const auto &entry : fs::directory_iterator(Path)) {
if (!entry.is_directory()) {
a.emplace_back(entry.path().u8string());
}else FileList(a,entry.path().u8string());
}
}
bool Find(const std::string& FName,const std::string& Path){
std::vector<std::string> FS;
FileList(FS,Path+"\\userdata");
for(std::string&a : FS){
if(a.find(FName) != std::string::npos){
FS.clear();
return true;
}
}
FS.clear();
return false;
}
bool FindHack(const std::string& Path){
bool s = true;
for (const auto &entry : fs::directory_iterator(Path)) {
std::string Name = entry.path().filename().u8string();
for(char&c : Name)c = char(tolower(c));
if(Name == "steam.exe")s = false;
if(Name.find("greenluma") != -1)return true;
Name.clear();
}
return s;
}
std::vector<std::string> GetID(const std::string& log){
std::string vec,t,r;
std::vector<std::string> Ret;
std::ifstream f(log.c_str(), std::ios::binary);
f.seekg(0, std::ios_base::end);
std::streampos fileSize = f.tellg();
vec.resize(size_t(fileSize) + 1);
f.seekg(0, std::ios_base::beg);
f.read(&vec[0], fileSize);
f.close();
std::stringstream ss(vec);
bool S = false;
while (std::getline(ss, t, '{')) {
if(!S)S = true;
else{
for(char& c : t){
if(isdigit(c))r += c;
}
break;
}
}
Ret.emplace_back(r);
r.clear();
S = false;
bool L = true;
while (std::getline(ss, t, '}')) {
if(L){
L = false;
continue;
}
for(char& c : t){
if(c == '"'){
if(!S)S = true;
else{
if(r.length() > 10) {
Ret.emplace_back(r);
}
r.clear();
S = false;
continue;
}
}
if(isdigit(c))r += c;
}
}
vec.clear();
return Ret;
}
std::string GetManifest(const std::string& Man){
std::string vec;
std::ifstream f(Man.c_str(), std::ios::binary);
f.seekg(0, std::ios_base::end);
std::streampos fileSize = f.tellg();
vec.resize(size_t(fileSize) + 1);
f.seekg(0, std::ios_base::beg);
f.read(&vec[0], fileSize);
f.close();
std::string ToFind = "\"LastOwner\"\t\t\"";
int pos = int(vec.find(ToFind));
if(pos != -1){
pos += int(ToFind.length());
vec = vec.substr(pos);
return vec.substr(0,vec.find('\"'));
}else return "";
}
bool IDCheck(std::string Man, std::string steam){
bool a = false,b = true;
int pos = int(Man.rfind("steamapps"));
if(pos == -1)Exit(5);
Man = Man.substr(0,pos+9) + "\\appmanifest_284160.acf";
steam += "\\config\\loginusers.vdf";
if(fs::exists(Man) && fs::exists(steam)){
for(const std::string&ID : GetID(steam)){
if(ID == GetManifest(Man))b = false;
}
if(b)Exit(6);
}else a = true;
return a;
}
void LegitimacyCheck(){
std::string Result,T;
std::string K1 = R"(Software\Valve\Steam)";
std::string K2 = R"(Software\Valve\Steam\Apps\284160)";
std::string K3 = R"(Software\BeamNG\BeamNG.drive)";
HKEY hKey;
LONG dwRegOPenKey = OpenKey(HKEY_CURRENT_USER, K1.c_str(), &hKey);
if(dwRegOPenKey == ERROR_SUCCESS) {
Result = QueryKey(hKey, 1);
if(Result.empty())Exit(1);
if(fs::exists(Result)){
if(!Find("284160.json",Result))Exit(2);
if(FindHack(Result)) {
std::string maliciousFileName = fs::directory_iterator(Result)->path().filename().string();
error("Found malicious file " + maliciousFileName + ". Please remove it in order to play\n");
SteamExit(1);
}
}else Exit(3);
T = Result;
Result.clear();
TraceBack++;
}else Exit(4);
K1.clear();
RegCloseKey(hKey);
dwRegOPenKey = OpenKey(HKEY_CURRENT_USER, K2.c_str(), &hKey);
if(dwRegOPenKey == ERROR_SUCCESS) {
Result = QueryKey(hKey, 2);
if(Result.empty())lowExit(1);
TraceBack++;
}else lowExit(2);
K2.clear();
RegCloseKey(hKey);
dwRegOPenKey = OpenKey(HKEY_CURRENT_USER, K3.c_str(), &hKey);
if(dwRegOPenKey == ERROR_SUCCESS) {
Result = QueryKey(hKey, 3);
if(Result.empty())lowExit(3);
if(IDCheck(Result,T))lowExit(5);
GameDir = Result;
TraceBack++;
}else lowExit(4);
K3.clear();
Result.clear();
RegCloseKey(hKey);
if(TraceBack < 3)exit(-1);
}
std::string CheckVer(const std::string &dir){
std::string temp,Path = dir + "\\integrity.json";
std::ifstream f(Path.c_str(), std::ios::binary);
int Size = int(std::filesystem::file_size(Path));
std::string vec(Size,0);
f.read(&vec[0], Size);
f.close();
vec = vec.substr(vec.find_last_of("version"),vec.find_last_of('"'));
for(const char &a : vec){
if(isdigit(a) || a == '.')temp+=a;
}
return temp;
}
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