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-rw-r--r--primedev/Northstar.cmake2
-rw-r--r--primedev/core/hooks.cpp85
-rw-r--r--primedev/core/hooks.h28
-rw-r--r--primedev/dllmain.cpp8
-rw-r--r--primedev/windows/libsys.cpp123
-rw-r--r--primedev/windows/libsys.h3
6 files changed, 166 insertions, 83 deletions
diff --git a/primedev/Northstar.cmake b/primedev/Northstar.cmake
index 40583d28..9e9d1ed6 100644
--- a/primedev/Northstar.cmake
+++ b/primedev/Northstar.cmake
@@ -161,6 +161,8 @@ add_library(
"util/version.h"
"util/wininfo.cpp"
"util/wininfo.h"
+ "windows/libsys.cpp"
+ "windows/libsys.h"
"dllmain.cpp"
"ns_version.h"
"Northstar.def"
diff --git a/primedev/core/hooks.cpp b/primedev/core/hooks.cpp
index fef8bbcf..5026f837 100644
--- a/primedev/core/hooks.cpp
+++ b/primedev/core/hooks.cpp
@@ -10,8 +10,6 @@
#include <filesystem>
#include <Psapi.h>
-#define XINPUT1_3_DLL "XInput1_3.dll"
-
namespace fs = std::filesystem;
AUTOHOOK_INIT()
@@ -392,87 +390,12 @@ void CallAllPendingDLLLoadCallbacks()
}
}
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryExA, (LPVOID)LoadLibraryExA,
-HMODULE, WINAPI, (LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags))
-// clang-format on
-{
- HMODULE moduleAddress;
-
- LPCSTR lpLibFileNameEnd = lpLibFileName + strlen(lpLibFileName);
- LPCSTR lpLibName = lpLibFileNameEnd - strlen(XINPUT1_3_DLL);
-
- // replace xinput dll with one that has ASLR
- if (lpLibFileName <= lpLibName && !strncmp(lpLibName, XINPUT1_3_DLL, strlen(XINPUT1_3_DLL) + 1))
- {
- moduleAddress = _LoadLibraryExA("XInput9_1_0.dll", hFile, dwFlags);
-
- if (!moduleAddress)
- {
- MessageBoxA(0, "Could not find XInput9_1_0.dll", "Northstar", MB_ICONERROR);
- exit(EXIT_FAILURE);
-
- return nullptr;
- }
- }
- else
- moduleAddress = _LoadLibraryExA(lpLibFileName, hFile, dwFlags);
-
- if (moduleAddress)
- {
- CallLoadLibraryACallbacks(lpLibFileName, moduleAddress);
- g_pPluginManager->InformDllLoad(moduleAddress, fs::path(lpLibFileName));
- }
-
- return moduleAddress;
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryA, (LPVOID)LoadLibraryA,
-HMODULE, WINAPI, (LPCSTR lpLibFileName))
-// clang-format on
-{
- HMODULE moduleAddress = _LoadLibraryA(lpLibFileName);
-
- if (moduleAddress)
- CallLoadLibraryACallbacks(lpLibFileName, moduleAddress);
-
- return moduleAddress;
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryExW, (LPVOID)LoadLibraryExW,
-HMODULE, WINAPI, (LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags))
-// clang-format on
-{
- HMODULE moduleAddress = _LoadLibraryExW(lpLibFileName, hFile, dwFlags);
-
- if (moduleAddress)
- CallLoadLibraryWCallbacks(lpLibFileName, moduleAddress);
-
- return moduleAddress;
-}
-
-// clang-format off
-AUTOHOOK_ABSOLUTEADDR(_LoadLibraryW, (LPVOID)LoadLibraryW,
-HMODULE, WINAPI, (LPCWSTR lpLibFileName))
-// clang-format on
-{
- HMODULE moduleAddress = _LoadLibraryW(lpLibFileName);
-
- if (moduleAddress)
- {
- CallLoadLibraryWCallbacks(lpLibFileName, moduleAddress);
- g_pPluginManager->InformDllLoad(moduleAddress, fs::path(lpLibFileName));
- }
-
- return moduleAddress;
-}
-
-void InstallInitialHooks()
+void HookSys_Init()
{
if (MH_Initialize() != MH_OK)
+ {
spdlog::error("MH_Initialize (minhook initialization) failed");
-
+ }
+ // todo: remove remaining instances of autohook in this file
AUTOHOOK_DISPATCH()
}
diff --git a/primedev/core/hooks.h b/primedev/core/hooks.h
index e5a65354..facf51bf 100644
--- a/primedev/core/hooks.h
+++ b/primedev/core/hooks.h
@@ -3,7 +3,33 @@
#include <string>
#include <iostream>
-void InstallInitialHooks();
+//-----------------------------------------------------------------------------
+// Purpose: Init minhook
+//-----------------------------------------------------------------------------
+void HookSys_Init();
+
+//-----------------------------------------------------------------------------
+// Purpose: MH_MakeHook wrapper
+// Input : *ppOriginal - Original function being detoured
+// pDetour - Detour function
+//-----------------------------------------------------------------------------
+inline void HookAttach(PVOID* ppOriginal, PVOID pDetour)
+{
+ PVOID pAddr = *ppOriginal;
+ if (MH_CreateHook(pAddr, pDetour, ppOriginal) == MH_OK)
+ {
+ if (MH_EnableHook(pAddr) != MH_OK)
+ {
+ spdlog::error("Failed enabling a function hook!");
+ }
+ }
+ else
+ {
+ spdlog::error("Failed creating a function hook!");
+ }
+}
+
+void CallLoadLibraryACallbacks(LPCSTR lpLibFileName, HMODULE moduleAddress);
typedef void (*DllLoadCallbackFuncType)(CModule moduleAddress);
void AddDllLoadCallback(std::string dll, DllLoadCallbackFuncType callback, std::string tag = "", std::vector<std::string> reliesOn = {});
diff --git a/primedev/dllmain.cpp b/primedev/dllmain.cpp
index 1191307f..95ea103f 100644
--- a/primedev/dllmain.cpp
+++ b/primedev/dllmain.cpp
@@ -10,6 +10,8 @@
#include "squirrel/squirrel.h"
#include "server/serverpresence.h"
+#include "windows/libsys.h"
+
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
@@ -64,7 +66,11 @@ bool InitialiseNorthstar()
// Write launcher version to log
StartupLog();
- InstallInitialHooks();
+ // Init minhook
+ HookSys_Init();
+
+ // Init loadlibrary callbacks
+ LibSys_Init();
g_pServerPresence = new ServerPresenceManager();
diff --git a/primedev/windows/libsys.cpp b/primedev/windows/libsys.cpp
new file mode 100644
index 00000000..cda10435
--- /dev/null
+++ b/primedev/windows/libsys.cpp
@@ -0,0 +1,123 @@
+#include "libsys.h"
+#include "plugins/pluginmanager.h"
+
+#define XINPUT1_3_DLL "XInput1_3.dll"
+
+typedef HMODULE (*WINAPI ILoadLibraryA)(LPCSTR lpLibFileName);
+typedef HMODULE (*WINAPI ILoadLibraryExA)(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+typedef HMODULE (*WINAPI ILoadLibraryW)(LPCWSTR lpLibFileName);
+typedef HMODULE (*WINAPI ILoadLibraryExW)(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+
+ILoadLibraryA o_LoadLibraryA = nullptr;
+ILoadLibraryExA o_LoadLibraryExA = nullptr;
+ILoadLibraryW o_LoadLibraryW = nullptr;
+ILoadLibraryExW o_LoadLibraryExW = nullptr;
+
+//-----------------------------------------------------------------------------
+// Purpose: Run detour callbacks for given HMODULE
+//-----------------------------------------------------------------------------
+void LibSys_RunModuleCallbacks(HMODULE hModule)
+{
+ if (!hModule)
+ {
+ return;
+ }
+
+ // Get module base name in ASCII as noone wants to deal with unicode
+ CHAR szModuleName[MAX_PATH];
+ GetModuleBaseNameA(GetCurrentProcess(), hModule, szModuleName, MAX_PATH);
+
+ // DevMsg(eLog::NONE, "%s\n", szModuleName);
+
+ // Call callbacks
+ CallLoadLibraryACallbacks(szModuleName, hModule);
+ g_pPluginManager->InformDllLoad(hModule, fs::path(szModuleName));
+}
+
+//-----------------------------------------------------------------------------
+// Load library callbacks
+
+HMODULE WINAPI WLoadLibraryA(LPCSTR lpLibFileName)
+{
+ HMODULE hModule = o_LoadLibraryA(lpLibFileName);
+
+ LibSys_RunModuleCallbacks(hModule);
+
+ return hModule;
+}
+
+HMODULE WINAPI WLoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
+{
+ HMODULE hModule;
+
+ LPCSTR lpLibFileNameEnd = lpLibFileName + strlen(lpLibFileName);
+ LPCSTR lpLibName = lpLibFileNameEnd - strlen(XINPUT1_3_DLL);
+
+ // replace xinput dll with one that has ASLR
+ if (lpLibFileName <= lpLibName && !strncmp(lpLibName, XINPUT1_3_DLL, strlen(XINPUT1_3_DLL) + 1))
+ {
+ hModule = o_LoadLibraryExA("XInput9_1_0.dll", hFile, dwFlags);
+
+ if (!hModule)
+ {
+ MessageBoxA(0, "Could not find XInput9_1_0.dll", "Northstar", MB_ICONERROR);
+ exit(EXIT_FAILURE);
+
+ return nullptr;
+ }
+ }
+ else
+ {
+ hModule = o_LoadLibraryExA(lpLibFileName, hFile, dwFlags);
+ }
+
+ bool bShouldRunCallbacks =
+ !(dwFlags & (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE | LOAD_LIBRARY_AS_IMAGE_RESOURCE));
+ if (bShouldRunCallbacks)
+ {
+ LibSys_RunModuleCallbacks(hModule);
+ }
+
+ return hModule;
+}
+
+HMODULE WINAPI WLoadLibraryW(LPCWSTR lpLibFileName)
+{
+ HMODULE hModule = o_LoadLibraryW(lpLibFileName);
+
+ LibSys_RunModuleCallbacks(hModule);
+
+ return hModule;
+}
+
+HMODULE WINAPI WLoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
+{
+ HMODULE hModule = o_LoadLibraryExW(lpLibFileName, hFile, dwFlags);
+
+ bool bShouldRunCallbacks =
+ !(dwFlags & (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE | LOAD_LIBRARY_AS_IMAGE_RESOURCE));
+ if (bShouldRunCallbacks)
+ {
+ LibSys_RunModuleCallbacks(hModule);
+ }
+
+ return hModule;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initilase dll load callbacks
+//-----------------------------------------------------------------------------
+void LibSys_Init()
+{
+ HMODULE hKernel = GetModuleHandleA("Kernel32.dll");
+
+ o_LoadLibraryA = reinterpret_cast<ILoadLibraryA>(GetProcAddress(hKernel, "LoadLibraryA"));
+ o_LoadLibraryExA = reinterpret_cast<ILoadLibraryExA>(GetProcAddress(hKernel, "LoadLibraryExA"));
+ o_LoadLibraryW = reinterpret_cast<ILoadLibraryW>(GetProcAddress(hKernel, "LoadLibraryW"));
+ o_LoadLibraryExW = reinterpret_cast<ILoadLibraryExW>(GetProcAddress(hKernel, "LoadLibraryExW"));
+
+ HookAttach(&(PVOID&)o_LoadLibraryA, (PVOID)WLoadLibraryA);
+ HookAttach(&(PVOID&)o_LoadLibraryExA, (PVOID)WLoadLibraryExA);
+ HookAttach(&(PVOID&)o_LoadLibraryW, (PVOID)WLoadLibraryW);
+ HookAttach(&(PVOID&)o_LoadLibraryExW, (PVOID)WLoadLibraryExW);
+}
diff --git a/primedev/windows/libsys.h b/primedev/windows/libsys.h
new file mode 100644
index 00000000..91345d8f
--- /dev/null
+++ b/primedev/windows/libsys.h
@@ -0,0 +1,3 @@
+#pragma once
+
+void LibSys_Init();
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-16 13:30:48 +0000