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Code Issues Releases Activity

dmnt-cheat: continue fleshing out cheat manager code

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This commit is contained in:
Michael Scire 2019-02-27 04:27:49 -08:00
parent 964a698875
commit c80eb26135
2 changed files with 79 additions and 11 deletions
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82
stratosphere/dmnt/source/dmnt_cheat_manager.cpp
View file

@ -21,10 +21,57 @@
static HosMutex g_cheat_lock;
static HosThread g_detect_thread, g_vm_thread;
static bool g_has_cheat_process;
static CheatProcessMetadata g_cheat_process_metadata = {0};
static Handle g_cheat_process_debug_hnd = 0;
void DmntCheatManager::CloseActiveCheatProcess() {
if (g_cheat_process_debug_hnd != 0) {
svcCloseHandle(g_cheat_process_debug_hnd);
g_cheat_process_debug_hnd = 0;
g_cheat_process_metadata = (CheatProcessMetadata){0};
}
}
bool DmntCheatManager::HasActiveCheatProcess() {
u64 tmp;
bool has_cheat_process = g_cheat_process_debug_hnd != 0;
if (has_cheat_process) {
has_cheat_process &= R_SUCCEEDED(svcGetProcessId(&tmp, g_cheat_process_debug_hnd));
}
if (has_cheat_process) {
has_cheat_process &= R_SUCCEEDED(pmdmntGetApplicationPid(&tmp));
}
if (has_cheat_process) {
has_cheat_process &= tmp == g_cheat_process_metadata.process_id;
}
if (!has_cheat_process) {
CloseActiveCheatProcess();
}
return has_cheat_process;
}
void DmntCheatManager::ContinueCheatProcess() {
if (HasActiveCheatProcess()) {
/* Loop getting debug events. */
u8 tmp;
while (R_SUCCEEDED(svcGetDebugEvent(&tmp, g_cheat_process_debug_hnd))) {
/* ... */
}
/* Continue the process. */
if (kernelAbove300()) {
svcContinueDebugEvent(g_cheat_process_debug_hnd, 5, nullptr, 0);
} else {
svcLegacyContinueDebugEvent(g_cheat_process_debug_hnd, 5, 0);
}
}
}
Handle DmntCheatManager::PrepareDebugNextApplication() {
Result rc;
Handle event_h;
@ -53,11 +100,7 @@ void DmntCheatManager::OnNewApplicationLaunch() {
Result rc;
/* Close the current application, if it's open. */
if (g_cheat_process_debug_hnd != 0) {
svcCloseHandle(g_cheat_process_debug_hnd);
g_cheat_process_debug_hnd = 0;
g_cheat_process_metadata = (CheatProcessMetadata){0};
}
CloseActiveCheatProcess();
/* Get the new application's process ID. */
if (R_FAILED((rc = pmdmntGetApplicationPid(&g_cheat_process_metadata.process_id)))) {
@ -88,7 +131,7 @@ void DmntCheatManager::OnNewApplicationLaunch() {
{
LoaderModuleInfo proc_modules[2];
u32 num_modules;
if (R_FAILED((rc = ldrDmntGetModuleInfos(g_cheat_process_metadata.process_id, &proc_modules, 2, &num_modules)))) {
if (R_FAILED((rc = ldrDmntGetModuleInfos(g_cheat_process_metadata.process_id, proc_modules, 2, &num_modules)))) {
fatalSimple(rc);
}
@ -102,15 +145,18 @@ void DmntCheatManager::OnNewApplicationLaunch() {
g_cheat_process_metadata.main_nso_extents.base = proc_modules[1].base_address;
g_cheat_process_metadata.main_nso_extents.size = proc_modules[1].size;
g_cheat_process_metadata.main_nso_build_id = proc_modules[1].build_id;
memcpy(g_cheat_process_metadata.main_nso_build_id, proc_modules[1].build_id, sizeof(g_cheat_process_metadata.main_nso_build_id));
}
/* TODO: Read cheats off the SD. */
/* Open a debug handle. */
if (R_FAILED((rc = svcDebugActiveProcess(&g_cheat_process_debug_hnd, g_cheat_process_metadata.process_id)))) {
fatalSimple(rc);
}
/* TODO: Continue debug events, etc. */
/* Continue debug events, etc. */
ContinueCheatProcess();
}
void DmntCheatManager::DetectThread(void *arg) {
@ -131,11 +177,27 @@ void DmntCheatManager::DetectThread(void *arg) {
void DmntCheatManager::VmThread(void *arg) {
while (true) {
/* TODO */
/* Execute Cheat VM. */
{
/* Acquire lock. */
std::scoped_lock<HosMutex> lk(g_cheat_lock);
if (HasActiveCheatProcess()) {
ContinueCheatProcess();
/* TODO: Execute VM. */
}
}
svcSleepThread(0x5000000ul);
}
}
bool DmntCheatManager::GetHasActiveCheatProcess() {
std::scoped_lock<HosMutex> lk(g_cheat_lock);
return HasActiveCheatProcess();
}
void DmntCheatManager::InitializeCheatManager() {
/* Spawn application detection thread, spawn cheat vm thread. */
if (R_FAILED(g_detect_thread.Initialize(&DmntCheatManager::DetectThread, nullptr, 0x4000, 28))) {

8
stratosphere/dmnt/source/dmnt_cheat_manager.hpp
View file

@ -26,6 +26,12 @@ class DmntCheatManager {
static void OnNewApplicationLaunch();
static void DetectThread(void *arg);
static void VmThread(void *arg);
public:
static bool HasActiveCheatProcess();
static void CloseActiveCheatProcess();
static void ContinueCheatProcess();
public:;
static bool GetHasActiveCheatProcess();
static void InitializeCheatManager();
};