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authorJack <66967891+ASpoonPlaysGames@users.noreply.github.com>2023-12-27 00:32:01 +0000
committerGitHub <noreply@github.com>2023-12-27 01:32:01 +0100
commitf5ab6fb5e8be7b73e6003d4145081d5e0c0ce287 (patch)
tree90f2c6a4885dbd181799e2325cf33588697674e1 /primedev/wsockproxy/dllmain.cpp
parentbb8ed59f6891b1196c5f5bbe7346cd171c8215fa (diff)
downloadNorthstarLauncher-f5ab6fb5e8be7b73e6003d4145081d5e0c0ce287.tar.gz
NorthstarLauncher-f5ab6fb5e8be7b73e6003d4145081d5e0c0ce287.zip
Folder restructuring from primedev (#624)v1.21.2-rc3v1.21.2
Copies of over the primedev folder structure for easier cherry-picking of further changes Co-authored-by: F1F7Y <filip.bartos07@proton.me>
Diffstat (limited to 'primedev/wsockproxy/dllmain.cpp')
-rw-r--r--primedev/wsockproxy/dllmain.cpp182
1 files changed, 182 insertions, 0 deletions
diff --git a/primedev/wsockproxy/dllmain.cpp b/primedev/wsockproxy/dllmain.cpp
new file mode 100644
index 00000000..4cc4f26e
--- /dev/null
+++ b/primedev/wsockproxy/dllmain.cpp
@@ -0,0 +1,182 @@
+#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();
+ }
+}