diff options
Diffstat (limited to 'loader_wsock32_proxy/dllmain.cpp')
| -rw-r--r-- | loader_wsock32_proxy/dllmain.cpp | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/loader_wsock32_proxy/dllmain.cpp b/loader_wsock32_proxy/dllmain.cpp deleted file mode 100644 index 4cc4f26e..00000000 --- a/loader_wsock32_proxy/dllmain.cpp +++ /dev/null @@ -1,182 +0,0 @@ -#include "loader.h" - -#include <shlwapi.h> -#include <filesystem> - -HINSTANCE hLThis = 0; -FARPROC p[857]; -HINSTANCE hL = 0; - -bool GetExePathWide(wchar_t* dest, DWORD destSize) -{ - if (!dest) - return NULL; - if (destSize < MAX_PATH) - return NULL; - - DWORD length = GetModuleFileNameW(NULL, dest, destSize); - return length && PathRemoveFileSpecW(dest); -} - -wchar_t exePath[4096]; -wchar_t buffer1[8192]; -wchar_t buffer2[12288]; - -BOOL WINAPI DllMain(HINSTANCE hInst, DWORD reason, LPVOID) -{ - if (reason == DLL_PROCESS_ATTACH) - { - hLThis = hInst; - - if (!GetExePathWide(exePath, 4096)) - { - MessageBoxA( - GetForegroundWindow(), - "Failed getting game directory.\nThe game cannot continue and has to exit.", - "Northstar Wsock32 Proxy Error", - 0); - return true; - } - - SetCurrentDirectoryW(exePath); - - if (!ProvisionNorthstar()) // does not call InitialiseNorthstar yet, will do it on LauncherMain hook - return true; - - // copy the original library for system to our local directory, with changed name so that we can load it - swprintf_s(buffer1, L"%s\\bin\\x64_retail\\wsock32.org.dll", exePath); - GetSystemDirectoryW(buffer2, 4096); - swprintf_s(buffer2, L"%s\\wsock32.dll", buffer2); - try - { - std::filesystem::copy_file(buffer2, buffer1); - } - catch (const std::exception& e1) - { - if (!std::filesystem::exists(buffer1)) - { - // fallback by copying to temp dir... - // because apparently games installed by EA Desktop app don't have write permissions in their directories - auto temp_dir = std::filesystem::temp_directory_path() / L"wsock32.org.dll"; - try - { - std::filesystem::copy_file(buffer2, temp_dir); - } - catch (const std::exception& e2) - { - if (!std::filesystem::exists(temp_dir)) - { - swprintf_s( - buffer2, - L"Failed copying wsock32.dll from system32 to \"%s\"\n\n%S\n\nFurthermore, we failed copying wsock32.dll into " - L"temporary directory at \"%s\"\n\n%S", - buffer1, - e1.what(), - temp_dir.c_str(), - e2.what()); - MessageBoxW(GetForegroundWindow(), buffer2, L"Northstar Wsock32 Proxy Error", 0); - return false; - } - } - swprintf_s(buffer1, L"%s", temp_dir.c_str()); - } - } - hL = LoadLibraryExW(buffer1, 0, LOAD_WITH_ALTERED_SEARCH_PATH); - if (!hL) - { - LibraryLoadError(GetLastError(), L"wsock32.org.dll", buffer1); - return false; - } - - // load the functions to proxy - // it's only some of them, because in case of wsock32 most of the functions can actually be natively redirected - // (see wsock32.def and https://source.winehq.org/WineAPI/wsock32.html) - p[1] = GetProcAddress(hL, "EnumProtocolsA"); - p[2] = GetProcAddress(hL, "EnumProtocolsW"); - p[4] = GetProcAddress(hL, "GetAddressByNameA"); - p[5] = GetProcAddress(hL, "GetAddressByNameW"); - p[17] = GetProcAddress(hL, "WEP"); - p[30] = GetProcAddress(hL, "WSARecvEx"); - p[36] = GetProcAddress(hL, "__WSAFDIsSet"); - p[45] = GetProcAddress(hL, "getnetbyname"); - p[52] = GetProcAddress(hL, "getsockopt"); - p[56] = GetProcAddress(hL, "inet_network"); - p[67] = GetProcAddress(hL, "s_perror"); - p[72] = GetProcAddress(hL, "setsockopt"); - } - - if (reason == DLL_PROCESS_DETACH) - { - FreeLibrary(hL); - return true; - } - - return true; -} - -extern "C" -{ - FARPROC PA = NULL; - int RunASM(); - - void PROXY_EnumProtocolsA() - { - PA = p[1]; - RunASM(); - } - void PROXY_EnumProtocolsW() - { - PA = p[2]; - RunASM(); - } - void PROXY_GetAddressByNameA() - { - PA = p[4]; - RunASM(); - } - void PROXY_GetAddressByNameW() - { - PA = p[5]; - RunASM(); - } - void PROXY_WEP() - { - PA = p[17]; - RunASM(); - } - void PROXY_WSARecvEx() - { - PA = p[30]; - RunASM(); - } - void PROXY___WSAFDIsSet() - { - PA = p[36]; - RunASM(); - } - void PROXY_getnetbyname() - { - PA = p[45]; - RunASM(); - } - void PROXY_getsockopt() - { - PA = p[52]; - RunASM(); - } - void PROXY_inet_network() - { - PA = p[56]; - RunASM(); - } - void PROXY_s_perror() - { - PA = p[67]; - RunASM(); - } - void PROXY_setsockopt() - { - PA = p[72]; - RunASM(); - } -} |