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authorp0358 <p0358@users.noreply.github.com>2021-12-30 02:58:19 +0100
committerp0358 <p0358@users.noreply.github.com>2021-12-30 02:58:19 +0100
commitd2ee389192aa425ef9c81b2c3367ffb0de6976d0 (patch)
treef244033f6d85055ca272f8369942969848d053f5 /NorthstarDedicatedTest/hooks.cpp
parentc18b293ba739424bee6db39e2e5a3081b0010a13 (diff)
downloadNorthstarLauncher-d2ee389192aa425ef9c81b2c3367ffb0de6976d0.tar.gz
NorthstarLauncher-d2ee389192aa425ef9c81b2c3367ffb0de6976d0.zip
Refactor and fix of various issues, add run_northstar.txt support
Diffstat (limited to 'NorthstarDedicatedTest/hooks.cpp')
-rw-r--r--NorthstarDedicatedTest/hooks.cpp82
1 files changed, 64 insertions, 18 deletions
diff --git a/NorthstarDedicatedTest/hooks.cpp b/NorthstarDedicatedTest/hooks.cpp
index 3de8d483..9d2be61c 100644
--- a/NorthstarDedicatedTest/hooks.cpp
+++ b/NorthstarDedicatedTest/hooks.cpp
@@ -6,14 +6,24 @@
#include <iostream>
#include <vector>
+// note that these load library callbacks only support explicitly loaded dynamic libraries
+
typedef HMODULE(*LoadLibraryExAType)(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
HMODULE LoadLibraryExAHook(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+typedef HMODULE(*LoadLibraryAType)(LPCSTR lpLibFileName);
+HMODULE LoadLibraryAHook(LPCSTR lpLibFileName);
+
typedef HMODULE(*LoadLibraryExWType)(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
HMODULE LoadLibraryExWHook(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+typedef HMODULE(*LoadLibraryWType)(LPCWSTR lpLibFileName);
+HMODULE LoadLibraryWHook(LPCWSTR lpLibFileName);
+
LoadLibraryExAType LoadLibraryExAOriginal;
+LoadLibraryAType LoadLibraryAOriginal;
LoadLibraryExWType LoadLibraryExWOriginal;
+LoadLibraryWType LoadLibraryWOriginal;
void InstallInitialHooks()
{
@@ -22,7 +32,9 @@ void InstallInitialHooks()
HookEnabler hook;
ENABLER_CREATEHOOK(hook, &LoadLibraryExA, &LoadLibraryExAHook, reinterpret_cast<LPVOID*>(&LoadLibraryExAOriginal));
+ ENABLER_CREATEHOOK(hook, &LoadLibraryA, &LoadLibraryAHook, reinterpret_cast<LPVOID*>(&LoadLibraryAOriginal));
ENABLER_CREATEHOOK(hook, &LoadLibraryExW, &LoadLibraryExWHook, reinterpret_cast<LPVOID*>(&LoadLibraryExWOriginal));
+ ENABLER_CREATEHOOK(hook, &LoadLibraryW, &LoadLibraryWHook, reinterpret_cast<LPVOID*>(&LoadLibraryWOriginal));
}
// dll load callback stuff
@@ -46,20 +58,51 @@ void AddDllLoadCallback(std::string dll, DllLoadCallbackFuncType callback)
dllLoadCallbacks.push_back(callbackStruct);
}
+void CallLoadLibraryACallbacks(LPCSTR lpLibFileName, HMODULE moduleAddress)
+{
+ for (auto& callbackStruct : dllLoadCallbacks)
+ {
+ if (!callbackStruct->called && strstr(lpLibFileName + (strlen(lpLibFileName) - strlen(callbackStruct->dll.c_str())), callbackStruct->dll.c_str()) != nullptr)
+ {
+ callbackStruct->callback(moduleAddress);
+ callbackStruct->called = true;
+ }
+ }
+}
+
+void CallLoadLibraryWCallbacks(LPCWSTR lpLibFileName, HMODULE moduleAddress)
+{
+ for (auto& callbackStruct : dllLoadCallbacks)
+ {
+ std::wstring wcharStrDll = std::wstring(callbackStruct->dll.begin(), callbackStruct->dll.end());
+ const wchar_t* callbackDll = wcharStrDll.c_str();
+ if (!callbackStruct->called && wcsstr(lpLibFileName + (wcslen(lpLibFileName) - wcslen(callbackDll)), callbackDll) != nullptr)
+ {
+ callbackStruct->callback(moduleAddress);
+ callbackStruct->called = true;
+ }
+ }
+}
+
HMODULE LoadLibraryExAHook(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
{
HMODULE moduleAddress = LoadLibraryExAOriginal(lpLibFileName, hFile, dwFlags);
if (moduleAddress)
{
- for (auto& callbackStruct : dllLoadCallbacks)
- {
- if (!callbackStruct->called && strstr(lpLibFileName + (strlen(lpLibFileName) - strlen(callbackStruct->dll.c_str())), callbackStruct->dll.c_str()) != nullptr)
- {
- callbackStruct->callback(moduleAddress);
- callbackStruct->called = true;
- }
- }
+ CallLoadLibraryACallbacks(lpLibFileName, moduleAddress);
+ }
+
+ return moduleAddress;
+}
+
+HMODULE LoadLibraryAHook(LPCSTR lpLibFileName)
+{
+ HMODULE moduleAddress = LoadLibraryAOriginal(lpLibFileName);
+
+ if (moduleAddress)
+ {
+ CallLoadLibraryACallbacks(lpLibFileName, moduleAddress);
}
return moduleAddress;
@@ -71,16 +114,19 @@ HMODULE LoadLibraryExWHook(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
if (moduleAddress)
{
- for (auto& callbackStruct : dllLoadCallbacks)
- {
- std::wstring wcharStrDll = std::wstring(callbackStruct->dll.begin(), callbackStruct->dll.end());
- const wchar_t* callbackDll = wcharStrDll.c_str();
- if (!callbackStruct->called && wcsstr(lpLibFileName + (wcslen(lpLibFileName) - wcslen(callbackDll)), callbackDll) != nullptr)
- {
- callbackStruct->callback(moduleAddress);
- callbackStruct->called = true;
- }
- }
+ CallLoadLibraryWCallbacks(lpLibFileName, moduleAddress);
+ }
+
+ return moduleAddress;
+}
+
+HMODULE LoadLibraryWHook(LPCWSTR lpLibFileName)
+{
+ HMODULE moduleAddress = LoadLibraryWOriginal(lpLibFileName);
+
+ if (moduleAddress)
+ {
+ CallLoadLibraryWCallbacks(lpLibFileName, moduleAddress);
}
return moduleAddress;