diff options
Diffstat (limited to 'loader_wsock32_proxy/dllmain.cpp')
-rw-r--r-- | loader_wsock32_proxy/dllmain.cpp | 310 |
1 files changed, 155 insertions, 155 deletions
diff --git a/loader_wsock32_proxy/dllmain.cpp b/loader_wsock32_proxy/dllmain.cpp index 82e0be8b..7efe5e1d 100644 --- a/loader_wsock32_proxy/dllmain.cpp +++ b/loader_wsock32_proxy/dllmain.cpp @@ -1,155 +1,155 @@ -#include "pch.h"
-#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;
- }
-
- 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 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();
- }
-}
\ No newline at end of file +#include "pch.h" +#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; + } + + 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 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(); + } +} |