100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#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", "F1F08BFD03D0496199FAFD49CAA3E5786B70084A4C3C8841ACC4A7B7616D226C"},
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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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{"patch_common.ff", "883DB33A1E386420EC6EF19F25C0D8081D01C1945BA2BCAD9FBD5460A201D6AA"},
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{"patch_common_alien_mp.ff", "78B00BFF961F69F9A45446D40638A5A7F5C3462F1AF05A833066772C62FB5DB2"},
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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 != 0xDB0A33E7 && value != 0xA6D147E7)
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{
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throw std::runtime_error("Unsupported Call of Duty: Ghosts version");
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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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game::show_error("Your game files are outdated or unsupported.\n"
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"Please get the latest officially supported Call of Duty: Ghosts files, or you will get random crashes and issues.",
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"Invalid game files!");
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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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