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Check if the MEM2 heap is corrupted after calling a hook

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This commit is contained in:
Maschell 2024-04-20 10:02:24 +02:00
parent 27dbc97eca
commit 705c6104fb
2 changed files with 14 additions and 2 deletions
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13
wumsloader/src/utils/hooks.cpp
View File

@ -5,7 +5,6 @@
#include <memory> #include <memory>
#include <wums.h> #include <wums.h>
#ifdef DEBUG
static const char **hook_names = (const char *[]){ static const char **hook_names = (const char *[]){
"WUMS_HOOK_INIT_WUT_MALLOC", "WUMS_HOOK_INIT_WUT_MALLOC",
"WUMS_HOOK_FINI_WUT_MALLOC", "WUMS_HOOK_FINI_WUT_MALLOC",
@ -27,7 +26,6 @@ static const char **hook_names = (const char *[]){
"WUMS_HOOK_RELOCATIONS_DONE", "WUMS_HOOK_RELOCATIONS_DONE",
"WUMS_HOOK_APPLICATION_REQUESTS_EXIT", "WUMS_HOOK_APPLICATION_REQUESTS_EXIT",
"WUMS_HOOK_DEINIT"}; "WUMS_HOOK_DEINIT"};
#endif
void CallHook(const std::vector<std::shared_ptr<ModuleData>> &modules, wums_hook_type_t type, bool condition) { void CallHook(const std::vector<std::shared_ptr<ModuleData>> &modules, wums_hook_type_t type, bool condition) {
if (condition) { if (condition) {
@ -48,7 +46,10 @@ void CallHook(const std::shared_ptr<ModuleData> &module, wums_hook_type_t type,
} }
} }
extern "C" bool MEMCheckExpHeap(void *heap, bool logProblems);
void CallHook(const std::shared_ptr<ModuleData> &module, wums_hook_type_t type) { void CallHook(const std::shared_ptr<ModuleData> &module, wums_hook_type_t type) {
bool foundHook = false;
for (auto &curHook : module->getHookDataList()) { for (auto &curHook : module->getHookDataList()) {
auto func_ptr = (uint32_t) curHook->getTarget(); auto func_ptr = (uint32_t) curHook->getTarget();
if (func_ptr == 0) { if (func_ptr == 0) {
@ -57,6 +58,7 @@ void CallHook(const std::shared_ptr<ModuleData> &module, wums_hook_type_t type)
} }
if (type == curHook->getType()) { if (type == curHook->getType()) {
foundHook = true;
if ((type == WUMS_HOOK_APPLICATION_STARTS || if ((type == WUMS_HOOK_APPLICATION_STARTS ||
type == WUMS_HOOK_APPLICATION_ENDS || type == WUMS_HOOK_APPLICATION_ENDS ||
type == WUMS_HOOK_INIT_WUT_MALLOC || type == WUMS_HOOK_INIT_WUT_MALLOC ||
@ -90,4 +92,11 @@ void CallHook(const std::shared_ptr<ModuleData> &module, wums_hook_type_t type)
break; break;
} }
} }
if (foundHook && !MEMCheckExpHeap(MEMGetBaseHeapHandle(MEM_BASE_HEAP_MEM2), true)) {
DEBUG_FUNCTION_LINE_ERR("MEM2 default heap is corrupted while calling hook %s for module %s", hook_names[type], module->getExportName().c_str());
#ifdef DEBUG
OSFatal("WUMSLoader: MEM2 default heap is corrupted. \n Please restart the console.");
#endif
}
} }

3
wumsloader/src/utils/imports.h
View File

@ -40,6 +40,9 @@ IMPORT(OSGetCurrentThread);
IMPORT(OSSetThreadCleanupCallback); IMPORT(OSSetThreadCleanupCallback);
IMPORT(OSIsDebuggerPresent); IMPORT(OSIsDebuggerPresent);
IMPORT(__os_snprintf); IMPORT(__os_snprintf);
IMPORT(MEMCheckHeap);
IMPORT(MEMGetBaseHeapHandle);
IMPORT(MEMCheckExpHeap);
IMPORT(FSTimeToCalendarTime); IMPORT(FSTimeToCalendarTime);
IMPORT(FSInit); IMPORT(FSInit);