100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
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#include <std_include.hpp>
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#include "loader/component_loader.hpp"
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#include "system_check.hpp"
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#include "game/game.hpp"
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#include <utils/io.hpp>
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#include <utils/cryptography.hpp>
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namespace system_check
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{
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namespace
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{
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std::string read_zone(const std::string& name)
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{
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std::string data{};
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if (utils::io::read_file(name, &data))
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{
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return data;
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}
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if (utils::io::read_file("zone/" + name, &data))
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{
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return data;
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}
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return {};
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}
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std::string hash_zone(const std::string& name)
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{
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const auto data = read_zone(name);
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return utils::cryptography::sha256::compute(data, true);
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}
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bool verify_hashes(const std::unordered_map<std::string, std::string>& zone_hashes)
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{
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for (const auto& zone_hash : zone_hashes)
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{
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const auto hash = hash_zone(zone_hash.first);
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if (hash != zone_hash.second)
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{
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return false;
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}
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}
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return true;
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}
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bool is_system_valid()
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{
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static std::unordered_map<std::string, std::string> mp_zone_hashes =
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{
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{"patch_common_mp.ff", "3F44B0CFB0B8E0FBD9687C2942204AB7F11E66E6E15C73B8B4A5EB5920115A31"},
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};
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static std::unordered_map<std::string, std::string> sp_zone_hashes =
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{
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// Steam doesn't necessarily deliver this file :(
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{"patch_common.ff", "BB0617DD94AF2F511571E7184BBEDE76E64D97E5D0DAFDB457F00717F035EBF0"},
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};
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return verify_hashes(mp_zone_hashes) && (game::environment::is_dedi() || verify_hashes(sp_zone_hashes));
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}
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void verify_binary_version()
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{
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const auto value = *reinterpret_cast<DWORD*>(0x140001337);
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if (value != 0xFFB8006D && value != 0xFFB80080)
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{
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throw std::runtime_error("Unsupported Call of Duty: Modern Warfare Remastered version(1.4)");
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}
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}
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}
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bool is_valid()
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{
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static auto valid = is_system_valid();
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return valid;
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}
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class component final : public component_interface
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{
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public:
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void post_load() override
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{
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verify_binary_version();
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if (!is_valid())
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{
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MessageBoxA(nullptr, "Your game files are outdated or unsupported.\n"
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"Please get the latest officially supported Call of Duty: Modern Warfare Remastered 1.4 files, or you will get random crashes and issues.",
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"Invalid game files!", MB_ICONINFORMATION);
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}
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}
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};
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}
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REGISTER_COMPONENT(system_check::component)
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