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/* This file is NOT open source. See "license.txt" to read the full license provided with the Xfire SDK. */
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2830
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <tlhelp32.h>
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#include "xfiregameclient.h"
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static HMODULE g_toucan_dll = NULL;
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static void HelperInit();
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static HMODULE HelperGetToucanDLL();
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typedef int (*XfireSetCustomGameDataAFunction)(int , const char **, const char **);
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typedef int (*XfireSetCustomGameDataWFunction)(int , const wchar_t **, const wchar_t **);
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typedef int (*XfireSetCustomGameDataUTF8Function)(int , const char **, const char **);
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static XfireSetCustomGameDataAFunction ptr_XfireSetCustomGameDataA = NULL;
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static XfireSetCustomGameDataWFunction ptr_XfireSetCustomGameDataW = NULL;
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static XfireSetCustomGameDataUTF8Function ptr_XfireSetCustomGameDataUTF8 = NULL;
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/* make sure we are going to call the ANSI version */
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#ifdef MODULEENTRY32
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#undef MODULEENTRY32
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#endif
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#ifdef Module32First
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#undef Module32First
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#endif
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#ifdef Module32Next
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#undef Module32Next
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#endif
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int XfireIsLoaded()
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{
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HelperInit();
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if (ptr_XfireSetCustomGameDataA &&
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ptr_XfireSetCustomGameDataW &&
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ptr_XfireSetCustomGameDataUTF8)
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return 1;
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return 0;
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}
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int XfireSetCustomGameDataA(int num_keys, const char **keys, const char **values)
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{
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HelperInit();
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if (ptr_XfireSetCustomGameDataA)
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return ptr_XfireSetCustomGameDataA(num_keys, keys, values);
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return 1;
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}
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int XfireSetCustomGameDataW(int num_keys, const wchar_t **keys, const wchar_t **values)
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{
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HelperInit();
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if (ptr_XfireSetCustomGameDataW)
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return ptr_XfireSetCustomGameDataW(num_keys, keys, values);
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return 1;
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}
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int XfireSetCustomGameDataUTF8(int num_keys, const char **keys, const char **values)
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{
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HelperInit();
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if (ptr_XfireSetCustomGameDataUTF8)
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return ptr_XfireSetCustomGameDataUTF8(num_keys, keys, values);
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return 1;
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}
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/* ------------------------------------------------------------------------- */
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static void HelperInit()
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{
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if (!ptr_XfireSetCustomGameDataA ||
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!ptr_XfireSetCustomGameDataW ||
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!ptr_XfireSetCustomGameDataUTF8)
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{
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HMODULE toucan_dll = HelperGetToucanDLL();
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if (toucan_dll)
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{
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ptr_XfireSetCustomGameDataA = (XfireSetCustomGameDataAFunction)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataA_V1");
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ptr_XfireSetCustomGameDataW = (XfireSetCustomGameDataWFunction)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataW_V1");
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ptr_XfireSetCustomGameDataUTF8 = (XfireSetCustomGameDataUTF8Function)::GetProcAddress(toucan_dll, "ToucanSendGameClientDataUTF8_V1");
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}
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}
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}
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static HMODULE HelperGetToucanDLL()
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{
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if (g_toucan_dll)
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return g_toucan_dll;
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/*
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** We need to enumerate the DLLs loaded to find toucan dll.
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** This is done because the toucan dll changes with each update.
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** The toucan dll has the following format. "xfire_toucan_{BUILD_NUMBER}.dll"
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** We simply try to find a dll w/ the prefix "xfire_toucan"
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*/
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HANDLE snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, GetCurrentProcessId());
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if (snapshot_handle != INVALID_HANDLE_VALUE)
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{
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MODULEENTRY32 module_entry;
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module_entry.dwSize = sizeof(MODULEENTRY32);
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BOOL result = Module32First(snapshot_handle, &module_entry);
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char module_name[] = "xfire_toucan";
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DWORD module_name_len = sizeof(module_name)-1;
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while (result)
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{
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if (CompareStringA(LOCALE_USER_DEFAULT, NORM_IGNORECASE, module_entry.szModule, module_name_len, module_name, module_name_len) == CSTR_EQUAL)
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{
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g_toucan_dll = module_entry.hModule;
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break;
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}
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result = Module32Next(snapshot_handle, &module_entry);
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}
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CloseHandle(snapshot_handle);
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}
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return g_toucan_dll;
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2920
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}
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