aboutsummaryrefslogtreecommitdiff
path: root/primedev/wsockproxy
diff options
context:
space:
mode:
Diffstat (limited to 'primedev/wsockproxy')
-rw-r--r--primedev/wsockproxy/dllmain.cpp182
-rw-r--r--primedev/wsockproxy/loader.cpp141
-rw-r--r--primedev/wsockproxy/loader.h9
-rw-r--r--primedev/wsockproxy/pch.h16
-rw-r--r--primedev/wsockproxy/wsock32.asm7
-rw-r--r--primedev/wsockproxy/wsock32.def78
6 files changed, 433 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();
+ }
+}
diff --git a/primedev/wsockproxy/loader.cpp b/primedev/wsockproxy/loader.cpp
new file mode 100644
index 00000000..3e46c1a6
--- /dev/null
+++ b/primedev/wsockproxy/loader.cpp
@@ -0,0 +1,141 @@
+#include "loader.h"
+#include <string>
+#include <system_error>
+#include <sstream>
+#include <fstream>
+#include <filesystem>
+#include <iostream>
+
+namespace fs = std::filesystem;
+
+void LibraryLoadError(DWORD dwMessageId, const wchar_t* libName, const wchar_t* location)
+{
+ char text[4096];
+ std::string message = std::system_category().message(dwMessageId);
+ sprintf_s(text, "Failed to load the %ls at \"%ls\" (%lu):\n\n%hs", libName, location, dwMessageId, message.c_str());
+ if (dwMessageId == 126 && std::filesystem::exists(location))
+ {
+ sprintf_s(
+ text,
+ "%s\n\nThe file at the specified location DOES exist, so this error indicates that one of its *dependencies* failed to be "
+ "found.",
+ text);
+ }
+ MessageBoxA(GetForegroundWindow(), text, "Northstar Wsock32 Proxy Error", 0);
+}
+
+bool ShouldLoadNorthstar()
+{
+ bool loadNorthstar = strstr(GetCommandLineA(), "-northstar");
+
+ if (loadNorthstar)
+ return loadNorthstar;
+
+ auto runNorthstarFile = std::ifstream("run_northstar.txt");
+ if (runNorthstarFile)
+ {
+ std::stringstream runNorthstarFileBuffer;
+ runNorthstarFileBuffer << runNorthstarFile.rdbuf();
+ runNorthstarFile.close();
+ if (!runNorthstarFileBuffer.str().starts_with("0"))
+ loadNorthstar = true;
+ }
+ return loadNorthstar;
+}
+
+bool LoadNorthstar()
+{
+ FARPROC Hook_Init = nullptr;
+ {
+ std::string strProfile = "R2Northstar";
+ char* clachar = strstr(GetCommandLineA(), "-profile=");
+ if (clachar)
+ {
+ std::string cla = std::string(clachar);
+ if (strncmp(cla.substr(9, 1).c_str(), "\"", 1))
+ {
+ int space = cla.find(" ");
+ std::string dirname = cla.substr(9, space - 9);
+ std::cout << "[*] Found profile in command line arguments: " << dirname << std::endl;
+ strProfile = dirname.c_str();
+ }
+ else
+ {
+ std::string quote = "\"";
+ int quote1 = cla.find(quote);
+ int quote2 = (cla.substr(quote1 + 1)).find(quote);
+ std::string dirname = cla.substr(quote1 + 1, quote2);
+ std::cout << "[*] Found profile in command line arguments: " << dirname << std::endl;
+ strProfile = dirname;
+ }
+ }
+ else
+ {
+ std::cout << "[*] Profile was not found in command line arguments. Using default: R2Northstar" << std::endl;
+ strProfile = "R2Northstar";
+ }
+
+ wchar_t buffer[8192];
+
+ // Check if "Northstar.dll" exists in profile directory, if it doesnt fall back to root
+ swprintf_s(buffer, L"%s\\%s\\Northstar.dll", exePath, std::wstring(strProfile.begin(), strProfile.end()).c_str());
+
+ if (!fs::exists(fs::path(buffer)))
+ swprintf_s(buffer, L"%s\\Northstar.dll", exePath);
+
+ std::wcout << L"[*] Using: " << buffer << std::endl;
+
+ HMODULE hHookModule = LoadLibraryExW(buffer, 0, 8u);
+ if (hHookModule)
+ Hook_Init = GetProcAddress(hHookModule, "InitialiseNorthstar");
+ if (!hHookModule || Hook_Init == nullptr)
+ {
+ LibraryLoadError(GetLastError(), L"Northstar.dll", buffer);
+ return false;
+ }
+ }
+ ((bool (*)())Hook_Init)();
+
+ return true;
+}
+
+typedef int (*LauncherMainType)(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow);
+LauncherMainType LauncherMainOriginal;
+
+int LauncherMainHook(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+{
+ if (ShouldLoadNorthstar())
+ LoadNorthstar();
+ return LauncherMainOriginal(hInstance, hPrevInstance, lpCmdLine, nCmdShow);
+}
+
+bool ProvisionNorthstar()
+{
+ if (!ShouldLoadNorthstar())
+ return true;
+
+ if (MH_Initialize() != MH_OK)
+ {
+ MessageBoxA(
+ GetForegroundWindow(), "MH_Initialize failed\nThe game cannot continue and has to exit.", "Northstar Wsock32 Proxy Error", 0);
+ return false;
+ }
+
+ auto launcherHandle = GetModuleHandleA("launcher.dll");
+ if (!launcherHandle)
+ {
+ MessageBoxA(
+ GetForegroundWindow(),
+ "Launcher isn't loaded yet.\nThe game cannot continue and has to exit.",
+ "Northstar Wsock32 Proxy Error",
+ 0);
+ return false;
+ }
+
+ LPVOID pTarget = (LPVOID)GetProcAddress(launcherHandle, "LauncherMain");
+ if (MH_CreateHook(pTarget, (LPVOID)&LauncherMainHook, reinterpret_cast<LPVOID*>(&LauncherMainOriginal)) != MH_OK ||
+ MH_EnableHook(pTarget) != MH_OK)
+ MessageBoxA(GetForegroundWindow(), "Hook creation failed for function LauncherMain.", "Northstar Wsock32 Proxy Error", 0);
+
+ return true;
+}
diff --git a/primedev/wsockproxy/loader.h b/primedev/wsockproxy/loader.h
new file mode 100644
index 00000000..0c6fb053
--- /dev/null
+++ b/primedev/wsockproxy/loader.h
@@ -0,0 +1,9 @@
+#pragma once
+
+extern wchar_t exePath[4096];
+extern wchar_t buffer1[8192];
+extern wchar_t buffer2[12288];
+
+void LibraryLoadError(DWORD dwMessageId, const wchar_t* libName, const wchar_t* location);
+bool ShouldLoadNorthstar();
+bool ProvisionNorthstar();
diff --git a/primedev/wsockproxy/pch.h b/primedev/wsockproxy/pch.h
new file mode 100644
index 00000000..ebc29547
--- /dev/null
+++ b/primedev/wsockproxy/pch.h
@@ -0,0 +1,16 @@
+// pch.h: This is a precompiled header file.
+// Files listed below are compiled only once, improving build performance for future builds.
+// This also affects IntelliSense performance, including code completion and many code browsing features.
+// However, files listed here are ALL re-compiled if any one of them is updated between builds.
+// Do not add files here that you will be updating frequently as this negates the performance advantage.
+
+#ifndef PCH_H
+#define PCH_H
+
+#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
+// Windows Header Files
+#include <windows.h>
+
+#include "MinHook.h"
+
+#endif // PCH_H
diff --git a/primedev/wsockproxy/wsock32.asm b/primedev/wsockproxy/wsock32.asm
new file mode 100644
index 00000000..22a9c384
--- /dev/null
+++ b/primedev/wsockproxy/wsock32.asm
@@ -0,0 +1,7 @@
+.data
+extern PA : qword
+.code
+RunASM proc
+jmp qword ptr [PA]
+RunASM endp
+end
diff --git a/primedev/wsockproxy/wsock32.def b/primedev/wsockproxy/wsock32.def
new file mode 100644
index 00000000..448440b4
--- /dev/null
+++ b/primedev/wsockproxy/wsock32.def
@@ -0,0 +1,78 @@
+LIBRARY wsock32
+EXPORTS
+ AcceptEx=mswsock.AcceptEx
+ EnumProtocolsA=PROXY_EnumProtocolsA
+ EnumProtocolsW=PROXY_EnumProtocolsW
+ GetAcceptExSockaddrs=mswsock.GetAcceptExSockaddrs
+ GetAddressByNameA=PROXY_GetAddressByNameA
+ GetAddressByNameW=PROXY_GetAddressByNameW
+ GetNameByTypeA=ws2_32.GetNameByTypeA
+ GetNameByTypeW=ws2_32.GetNameByTypeW
+ GetServiceA=ws2_32.GetServiceA
+ GetServiceW=ws2_32.GetServiceW
+ GetTypeByNameA=ws2_32.GetTypeByNameA
+ GetTypeByNameW=ws2_32.GetTypeByNameW
+ MigrateWinsockConfiguration=ws2_32.MigrateWinsockConfiguration
+ NPLoadNameSpaces=ws2_32.NPLoadNameSpaces
+ SetServiceA=ws2_32.SetServiceA
+ SetServiceW=ws2_32.SetServiceW
+ TransmitFile=mswsock.TransmitFile
+ WEP=PROXY_WEP
+ WSAAsyncGetHostByAddr=ws2_32.WSAAsyncGetHostByAddr
+ WSAAsyncGetHostByName=ws2_32.WSAAsyncGetHostByName
+ WSAAsyncGetProtoByName=ws2_32.WSAAsyncGetProtoByName
+ WSAAsyncGetProtoByNumber=ws2_32.WSAAsyncGetProtoByNumber
+ WSAAsyncGetServByName=ws2_32.WSAAsyncGetServByName
+ WSAAsyncGetServByPort=ws2_32.WSAAsyncGetServByPort
+ WSAAsyncSelect=ws2_32.WSAAsyncSelect
+ WSACancelAsyncRequest=ws2_32.WSACancelAsyncRequest
+ WSACancelBlockingCall=ws2_32.WSACancelBlockingCall
+ WSACleanup=ws2_32.WSACleanup @116
+ WSAGetLastError=ws2_32.WSAGetLastError @111
+ WSAIsBlocking=ws2_32.WSAIsBlocking
+ WSARecvEx=PROXY_WSARecvEx
+ WSASetBlockingHook=ws2_32.WSASetBlockingHook
+ WSASetLastError=ws2_32.WSASetLastError @112
+ WSAStartup=ws2_32.WSAStartup @115
+ WSAUnhookBlockingHook=ws2_32.WSAUnhookBlockingHook
+ WSApSetPostRoutine=ws2_32.WSApSetPostRoutine
+ __WSAFDIsSet=PROXY___WSAFDIsSet @151
+ accept=ws2_32.accept @1
+ bind=ws2_32.bind @2
+ closesocket=ws2_32.closesocket @3
+ connect=ws2_32.connect @4
+ dn_expand=ws2_32.dn_expand @1106
+ gethostbyaddr=ws2_32.gethostbyaddr
+ gethostbyname=ws2_32.gethostbyname @52
+ gethostname=ws2_32.gethostname @57
+ getnetbyname=PROXY_getnetbyname @ 1101
+ getpeername=ws2_32.getpeername @5
+ getprotobyname=ws2_32.getprotobyname
+ getprotobynumber=ws2_32.getprotobynumber
+ getservbyname=ws2_32.getservbyname
+ getservbyport=ws2_32.getservbyport
+ getsockname=ws2_32.getsockname @6
+ getsockopt=PROXY_getsockopt @7
+ htonl=ws2_32.htonl
+ htons=ws2_32.htons @9
+ inet_addr=ws2_32.inet_addr
+ inet_network=PROXY_inet_network
+ inet_ntoa=ws2_32.inet_ntoa
+ ioctlsocket=ws2_32.ioctlsocket @12
+ listen=ws2_32.listen @13
+ ntohl=ws2_32.ntohl
+ ntohs=ws2_32.ntohs @15
+ rcmd=ws2_32.rcmd
+ recv=ws2_32.recv @16
+ recvfrom=ws2_32.recvfrom @17
+ rexec=ws2_32.rexec
+ rresvport=ws2_32.rresvport
+ s_perror=PROXY_s_perror
+ select=ws2_32.select @18
+ select=ws2_32.select @18
+ send=ws2_32.send @19
+ sendto=ws2_32.sendto @20
+ sethostname=ws2_32.sethostname
+ setsockopt=PROXY_setsockopt @21
+ shutdown=ws2_32.shutdown @22
+ socket=ws2_32.socket @23
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 23:54:52 +0000