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/*
* Copyright (C) 2012-2014 Arctium Emulation <http://arctium.org>
* Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
*
* 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 3 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 "Helper.hpp"
#include "Patcher.hpp"
#include "Patches/Common.hpp"
#include "Patches/Mac.hpp"
#include "Patches/Windows.hpp"
#include "Patterns/Common.hpp"
#include "Patterns/Mac.hpp"
#include "Patterns/Windows.hpp"
#include <CompilerDefs.h>
#include <boost/algorithm/string/replace.hpp>
#include <boost/filesystem.hpp>
#include <iostream>
#if PLATFORM == PLATFORM_WINDOWS
#include <Shlobj.h>
#endif
namespace Connection_Patcher
{
namespace
{
template<typename PATCH, typename PATTERN>
void PatchModule(boost::filesystem::path file, boost::filesystem::path path)
{
namespace fs = boost::filesystem;
std::cout << "Patching module...\n";
Patcher patcher(file);
std::cout << "patching Password\n";
// if (Authentication::ServerSignature::ClientValidateProof(x)) to if (true)
patcher.Patch(PATCH::Password(), PATTERN::Password());
std::string const moduleName(Helper::GetFileChecksum(patcher.binary) + ".auth");
fs::path const modulePath
(path / std::string(&moduleName[0], 2) / std::string(&moduleName[2], 2));
if (!fs::exists(modulePath))
fs::create_directories(modulePath);
if (fs::exists(modulePath / modulePath))
fs::permissions(modulePath / moduleName, fs::add_perms | fs::others_write | fs::group_write | fs::owner_write);
patcher.Finish(modulePath / moduleName);
fs::permissions(modulePath / moduleName, fs::remove_perms | fs::others_write | fs::group_write | fs::owner_write);
std::cout << "Patching module finished.\n";
}
template<typename PATCH, typename PATTERN>
void do_module(std::string moduleName, boost::filesystem::path path)
{
boost::filesystem::path const modulePath
(path / std::string(&moduleName[0], 2) / std::string(&moduleName[2], 2));
boost::filesystem::path const module(modulePath / moduleName);
if (!boost::filesystem::exists (module))
throw std::runtime_error("base module does not exist. run client once.");
PatchModule<PATCH, PATTERN>(module, path);
}
template<typename PATCH, typename PATTERN>
void do_patches(Patcher* patcher, boost::filesystem::path output)
{
std::cout << "patching Portal\n";
// '.logon.battle.net' -> '' to allow for set portal 'host'
patcher->Patch(Patches::Common::Portal(), Patterns::Common::Portal());
std::cout << "patching redirect RSA Modulus\n";
// public component of connection signing key to use known key pair
patcher->Patch(Patches::Common::Modulus(), Patterns::Common::Modulus());
std::cout << "patching BNet\n";
// hardcode 213.248.127.130 in IP6::Address::Address(IP4::Address::Address const&)
// used in Creep::Layer::Authentication::Online(), which overwrites GameStream::Connection::GetAddressRemote()
// to avoid CRYPT_SERVER_ADDRESS_IPV6 check in module
patcher->Patch(PATCH::BNet(), PATTERN::BNet());
std::cout << "patching Signature\n";
// if (Authentication::ModuleSignature::Validator::IsValid(x)) to if (true) in
// Creep::Instance::LoadModule() to allow for unsigned auth module
patcher->Patch(PATCH::Signature(), PATTERN::Signature());
patcher->Finish(output);
std::cout << "Patching done.\n";
}
}
// adapted from http://stackoverflow.com/questions/8593608/how-can-i-copy-a-directory-using-boost-filesystem
void copyDir(boost::filesystem::path const & source, boost::filesystem::path const & destination)
{
namespace fs = boost::filesystem;
if (!fs::exists(source) || !fs::is_directory(source))
throw std::invalid_argument("Source directory " + source.string() + " does not exist or is not a directory.");
if (fs::exists(destination))
throw std::invalid_argument("Destination directory " + destination.string() + " already exists.");
if (!fs::create_directory(destination))
throw std::runtime_error("Unable to create destination directory" + destination.string());
for (fs::directory_iterator file(source); file != fs::directory_iterator(); ++file)
{
fs::path current(file->path());
if (fs::is_directory(current))
copyDir(current, destination / current.filename());
else
fs::copy_file(current, destination / current.filename());
}
}
}
int main(int argc, char** argv)
{
using namespace Connection_Patcher;
try
{
if (argc != 2)
throw std::invalid_argument("Wrong number of arguments: Missing client file.");
std::string const binary_path(argv[1]);
std::string renamed_binary_path(binary_path);
wchar_t* commonAppData (nullptr);
#if PLATFORM == PLATFORM_WINDOWS
SHGetKnownFolderPath(FOLDERID_ProgramData, 0, NULL, &commonAppData);
#endif
std::cout << "Creating patched binaries for ";
Patcher patcher(binary_path);
switch (patcher.Type)
{
case Constants::BinaryTypes::Pe32:
std::cout << "Win32 client...\n";
boost::algorithm::replace_all(renamed_binary_path, ".exe", "_Patched.exe");
do_patches<Patches::Windows::x86, Patterns::Windows::x86>
(&patcher, renamed_binary_path);
do_module<Patches::Windows::x86, Patterns::Windows::x86>
( "8f52906a2c85b416a595702251570f96d3522f39237603115f2f1ab24962043c.auth"
, std::wstring(commonAppData) + std::wstring(L"/Blizzard Entertainment/Battle.net/Cache/")
);
break;
case Constants::BinaryTypes::Pe64:
std::cout << "Win64 client...\n";
boost::algorithm::replace_all(renamed_binary_path, ".exe", "_Patched.exe");
do_patches<Patches::Windows::x64, Patterns::Windows::x64>
(&patcher, renamed_binary_path);
do_module<Patches::Windows::x64, Patterns::Windows::x64>
( "0a3afee2cade3a0e8b458c4b4660104cac7fc50e2ca9bef0d708942e77f15c1d.auth"
, std::wstring(commonAppData) + std::wstring(L"/Blizzard Entertainment/Battle.net/Cache/")
);
break;
case Constants::BinaryTypes::Mach64:
std::cout << "Mac client...\n";
boost::algorithm::replace_all (renamed_binary_path, ".app", " Patched.app");
copyDir ( boost::filesystem::path(binary_path).parent_path()/*MacOS*/.parent_path()/*Contents*/.parent_path()
, boost::filesystem::path(renamed_binary_path).parent_path()/*MacOS*/.parent_path()/*Contents*/.parent_path()
);
do_patches<Patches::Mac::x64, Patterns::Mac::x64>
(&patcher, renamed_binary_path);
{
namespace fs = boost::filesystem;
fs::permissions(renamed_binary_path, fs::add_perms | fs::others_exe | fs::group_exe | fs::owner_exe);
}
do_module<Patches::Mac::x64, Patterns::Mac::x64>
( "97eeb2e28e9e56ed6a22d09f44e2ff43c93315e006bbad43bafc0defaa6f50ae.auth"
, "/Users/Shared/Blizzard/Battle.net/Cache/"
);
break;
default:
throw std::runtime_error("Type: " + std::to_string(static_cast<uint32_t>(patcher.Type)) + " not supported!");
}
std::cout << "Successfully created your patched binaries.\n";
return 0;
}
catch (std::exception const& ex)
{
std::cerr << "EX: " << ex.what() << std::endl;
std::cerr << "An error occurred. Press ENTER to continue...";
std::cin.get();
return 1;
}
}
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