From c4987fc8719a28cdca8922f3df72b4c5637a1ea3 Mon Sep 17 00:00:00 2001
From: momo5502 <mauriceheumann@gmail.com>
Date: Mon, 21 Nov 2022 20:45:04 +0100
Subject: [PATCH] Generate guid through hardware identifiers

---
 src/client/component/auth.cpp        | 107 +++++++++++++++++++++++++++
 src/client/component/auth.hpp        |   6 ++
 src/client/steam/interfaces/user.cpp |   5 +-
 3 files changed, 116 insertions(+), 2 deletions(-)
 create mode 100644 src/client/component/auth.cpp
 create mode 100644 src/client/component/auth.hpp

diff --git a/src/client/component/auth.cpp b/src/client/component/auth.cpp
new file mode 100644
index 00000000..5513b7eb
--- /dev/null
+++ b/src/client/component/auth.cpp
@@ -0,0 +1,107 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+
+#include "auth.hpp"
+
+#include <game/game.hpp>
+
+#include <utils/hook.hpp>
+#include <utils/string.hpp>
+#include <utils/smbios.hpp>
+#include <utils/cryptography.hpp>
+
+namespace auth
+{
+	namespace
+	{
+		std::string get_hdd_serial()
+		{
+			DWORD serial{};
+			if (!GetVolumeInformationA("C:\\", nullptr, 0, &serial, nullptr, nullptr, nullptr, 0))
+			{
+				return {};
+			}
+
+			return utils::string::va("%08X", serial);
+		}
+
+		std::string get_hw_profile_guid()
+		{
+			HW_PROFILE_INFO info;
+			if (!GetCurrentHwProfileA(&info))
+			{
+				return {};
+			}
+
+			return std::string{info.szHwProfileGuid, sizeof(info.szHwProfileGuid)};
+		}
+
+		std::string get_protected_data()
+		{
+			std::string input = "momo5502-boiii-auth";
+
+			DATA_BLOB data_in{}, data_out{};
+			data_in.pbData = reinterpret_cast<uint8_t*>(input.data());
+			data_in.cbData = static_cast<DWORD>(input.size());
+			if (CryptProtectData(&data_in, nullptr, nullptr, nullptr, nullptr, CRYPTPROTECT_LOCAL_MACHINE,
+			                     &data_out) != TRUE)
+			{
+				return {};
+			}
+
+			const auto size = std::min(data_out.cbData, 52ul);
+			std::string result{reinterpret_cast<char*>(data_out.pbData), size};
+			LocalFree(data_out.pbData);
+
+			return result;
+		}
+
+		std::string get_key_entropy()
+		{
+			std::string entropy{};
+			entropy.append(utils::smbios::get_uuid());
+			entropy.append(get_hw_profile_guid());
+			entropy.append(get_protected_data());
+			entropy.append(get_hdd_serial());
+
+			if (entropy.empty())
+			{
+				entropy.resize(32);
+				utils::cryptography::random::get_data(entropy.data(), entropy.size());
+			}
+
+			return entropy;
+		}
+
+		utils::cryptography::ecc::key& get_key()
+		{
+			static auto key = utils::cryptography::ecc::generate_key(512, get_key_entropy());
+			return key;
+		}
+	}
+
+	uint64_t get_guid()
+	{
+		/*if (game::environment::is_dedi())
+		{
+			return 0x110000100000000 | (::utils::cryptography::random::get_integer() & ~0x80000000);
+		}*/
+
+		return get_key().get_hash();
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			// Patch steam id bit check
+			utils::hook::jump(0x141E19D7D_g, 0x141E19DCB_g);
+			utils::hook::jump(0x141EB2D06_g, 0x141EB2D46_g);
+			utils::hook::jump(0x141EB2E3D_g, 0x141EB2E82_g);
+			utils::hook::jump(0x141EB3CC5_g, 0x141EB3D06_g);
+		}
+	};
+}
+
+REGISTER_COMPONENT(auth::component)
diff --git a/src/client/component/auth.hpp b/src/client/component/auth.hpp
new file mode 100644
index 00000000..3ee0c53a
--- /dev/null
+++ b/src/client/component/auth.hpp
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace auth
+{
+	uint64_t get_guid();
+}
diff --git a/src/client/steam/interfaces/user.cpp b/src/client/steam/interfaces/user.cpp
index e01e8c75..cda52612 100644
--- a/src/client/steam/interfaces/user.cpp
+++ b/src/client/steam/interfaces/user.cpp
@@ -1,5 +1,7 @@
 #include <std_include.hpp>
+
 #include "../steam.hpp"
+#include "../../component/auth.hpp"
 
 
 namespace steam
@@ -11,7 +13,7 @@ namespace steam
 		steam_id generate_steam_id()
 		{
 			steam_id id{};
-			id.bits = 76561197960287930;
+			id.bits = auth::get_guid();
 			return id;
 		}
 	}
@@ -86,7 +88,6 @@ namespace steam
 
 	unsigned int user::GetAuthSessionTicket(void* pTicket, int cbMaxTicket, unsigned int* pcbTicket)
 	{
-
 		static uint32_t ticket = 0;
 		*pcbTicket = 1;