Correct XUID generation and getinfo experiments.

iw4/Components/Network.cpp

@@ -119,10 +119,30 @@ namespace Components
 		{
 			OutputDebugStringA(Utils::VA("getinfo received: %s!", address.GetString()));
 
+			int clientCount = 0;
+
+			for (int i = 0; i < *Game::svs_numclients; i++)
+			{
+				if (Game::svs_clients[i].state >= 3)
+				{
+					clientCount++;
+				}
+			}
+
+			auto data = std::string(message->data);
+			auto challenge = data.substr(data.find_first_of(" \n") + 1);
+			challenge = challenge.substr(0, challenge.find_first_of(" \n"));
+
 			Utils::InfoString info;
-			info.Set("mapname", "mp_rust");
-			info.Set("gamename", "tdm");
-			info.Set("testKey", "testVal");
+			info.Set("challenge",     challenge.data()); // TODO: Fill!
+			info.Set("gamename",      "IW4");
+			info.Set("hostname",      Dvar::Var("sv_hostname").Get<const char*>());
+			info.Set("mapname",       Dvar::Var("mapname").Get<const char*>());
+			info.Set("gametype",      Dvar::Var("g_gametype").Get<const char*>());
+			info.Set("fs_game",       Dvar::Var("fs_game").Get<const char*>());
+			info.Set("xuid",          Utils::VA("%llX", Steam::SteamUser()->GetSteamID().m_Bits));
+			info.Set("clients",       Utils::VA("%i", clientCount));
+			info.Set("sv_maxclients", Utils::VA("%i", *Game::svs_numclients));
 
 			Network::Send(Game::NS_CLIENT, address, Utils::VA("infoResponse\n%s\n", info.Build().data()));
 		});

iw4/Game/Functions.cpp

@@ -67,6 +67,9 @@ namespace Game
 	source_t **sourceFiles = (source_t **)0x7C4A98;
 	keywordHash_t **menuParseKeywordHash = (keywordHash_t **)0x63AE928;
 
+	int* svs_numclients = (int*)0x31D938C;
+	client_t* svs_clients = (client_t*)0x31D9390;
+
 	void* ReallocateAssetPool(XAssetType type, unsigned int newSize)
 	{
 		int elSize = DB_GetXAssetSizeHandlers[type]();

iw4/Game/Functions.hpp

@@ -121,6 +121,9 @@ namespace Game
 	extern DWORD* cmd_argc;
 	extern char*** cmd_argv;
 
+	extern int* svs_numclients;
+	extern client_t* svs_clients;
+
 	extern source_t **sourceFiles;
 	extern keywordHash_t **menuParseKeywordHash;
 

iw4/Game/Structs.hpp

@@ -638,6 +638,45 @@ namespace Game
 		int readcount; // 28
 	} msg_t;
 
+#pragma pack(push, 1)
+	typedef struct client_s
+	{
+		// 0
+		int state;
+		// 4
+		char pad[36];
+		// 40
+		netadr_t adr;
+		// 60
+		char pad1[1568];
+		// 1628
+		char connectInfoString[1024];
+		// 2652
+		char pad2[133192];
+		// 135844
+		char name[16];
+		// 135860
+		char pad3[12];
+		// 135872
+		int snapNum;
+		// 135876
+		int pad4;
+		// 135880
+		short ping;
+		// 135882
+		//char pad5[142390];
+		char pad5[133158];
+		// 269040
+		int isBot;
+		// 269044
+		char pad6[9228];
+		// 278272
+		__int64 steamid;
+		// 278280
+		char pad7[403592];
+	} client_t;
+#pragma pack(pop)
+
 	// Q3TA precompiler code
 
 	//undef if binary numbers of the form 0b... or 0B... are not allowed

iw4/STDInclude.hpp

@@ -5,6 +5,9 @@
 #include <windows.h>
 #include <stdio.h>
 #include <string.h>
+#include <wincrypt.h>
+
+#pragma comment(lib, "Crypt32.lib")
 
 #include <map>
 #include <mutex>

iw4/Steam/Interfaces/SteamUser.cpp

@@ -15,7 +15,16 @@ namespace Steam
 	SteamID User::GetSteamID()
 	{
 		SteamID id;
-		id.m_Bits = 0x110000100000000 | 0x1337;
+
+		DATA_BLOB DataIn;
+		DATA_BLOB DataOut;
+
+		DataIn.pbData = (BYTE *)"AAAAAAAAAA";
+		DataIn.cbData = 10;
+
+		CryptProtectData(&DataIn, NULL, NULL, NULL, NULL, CRYPTPROTECT_LOCAL_MACHINE, &DataOut);
+
+		id.m_Bits = 0x110000100000000 | ::Utils::OneAtATime((char*)DataOut.pbData, 52);
 		return id;
 	}
 

iw4/Utils/Utils.cpp

@@ -59,6 +59,21 @@ namespace Utils
 		}
 	}
 
+	unsigned int OneAtATime(char *key, size_t len)
+	{
+		unsigned int hash, i;
+		for (hash = i = 0; i < len; ++i)
+		{
+			hash += key[i];
+			hash += (hash << 10);
+			hash ^= (hash >> 6);
+		}
+		hash += (hash << 3);
+		hash ^= (hash >> 11);
+		hash += (hash << 15);
+		return hash;
+	}
+
 	// Infostring class
 	void InfoString::Set(std::string key, std::string value)
 	{

iw4/Utils/Utils.hpp

@@ -5,6 +5,7 @@ namespace Utils
 	bool EndsWith(const char* heystack, const char* needle);
 	std::vector<std::string> Explode(const std::string& str, const std::string& delimiters);
 	void Replace(std::string &string, std::string find, std::string replace);
+	unsigned int OneAtATime(char *key, size_t len);
 
 	class InfoString
 	{