mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
740 lines
23 KiB
C++
740 lines
23 KiB
C++
/*
|
|
* Copyright (c) 2018 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <switch.h>
|
|
#include "dmnt_cheat_manager.hpp"
|
|
#include "dmnt_cheat_vm.hpp"
|
|
#include "dmnt_config.hpp"
|
|
#include "pm_shim.h"
|
|
|
|
static HosMutex g_cheat_lock;
|
|
static HosThread g_detect_thread, g_vm_thread;
|
|
|
|
static IEvent *g_cheat_process_event;
|
|
static DmntCheatVm *g_cheat_vm;
|
|
|
|
static CheatProcessMetadata g_cheat_process_metadata = {0};
|
|
static Handle g_cheat_process_debug_hnd = 0;
|
|
|
|
/* Global cheat entry storage. */
|
|
static CheatEntry g_cheat_entries[DmntCheatManager::MaxCheatCount];
|
|
|
|
void DmntCheatManager::CloseActiveCheatProcess() {
|
|
if (g_cheat_process_debug_hnd != 0) {
|
|
/* Close process resources. */
|
|
svcCloseHandle(g_cheat_process_debug_hnd);
|
|
g_cheat_process_debug_hnd = 0;
|
|
g_cheat_process_metadata = (CheatProcessMetadata){0};
|
|
|
|
/* Clear cheat list. */
|
|
ResetAllCheatEntries();
|
|
|
|
/* Signal to our fans. */
|
|
g_cheat_process_event->Signal();
|
|
}
|
|
}
|
|
|
|
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. */
|
|
u64 debug_event_buf[0x50];
|
|
while (R_SUCCEEDED(svcGetDebugEvent((u8 *)debug_event_buf, 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
Result DmntCheatManager::ReadCheatProcessMemoryForVm(u64 proc_addr, void *out_data, size_t size) {
|
|
if (HasActiveCheatProcess()) {
|
|
return svcReadDebugProcessMemory(out_data, g_cheat_process_debug_hnd, proc_addr, size);
|
|
}
|
|
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
Result DmntCheatManager::WriteCheatProcessMemoryForVm(u64 proc_addr, const void *data, size_t size) {
|
|
if (HasActiveCheatProcess()) {
|
|
return svcWriteDebugProcessMemory(g_cheat_process_debug_hnd, data, proc_addr, size);
|
|
}
|
|
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
|
|
Result DmntCheatManager::GetCheatProcessMappingCount(u64 *out_count) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
MemoryInfo mem_info;
|
|
|
|
u64 address = 0;
|
|
*out_count = 0;
|
|
do {
|
|
mem_info.perm = 0;
|
|
u32 tmp;
|
|
if (R_FAILED(svcQueryDebugProcessMemory(&mem_info, &tmp, g_cheat_process_debug_hnd, address))) {
|
|
break;
|
|
}
|
|
|
|
if (mem_info.perm != 0) {
|
|
*out_count += 1;
|
|
}
|
|
|
|
address = mem_info.addr + mem_info.size;
|
|
} while (address != 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::GetCheatProcessMappings(MemoryInfo *mappings, size_t max_count, u64 *out_count, u64 offset) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
MemoryInfo mem_info;
|
|
u64 address = 0;
|
|
u64 count = 0;
|
|
*out_count = 0;
|
|
do {
|
|
mem_info.perm = 0;
|
|
u32 tmp;
|
|
if (R_FAILED(svcQueryDebugProcessMemory(&mem_info, &tmp, g_cheat_process_debug_hnd, address))) {
|
|
break;
|
|
}
|
|
|
|
if (mem_info.perm != 0) {
|
|
count++;
|
|
if (count > offset) {
|
|
mappings[(*out_count)++] = mem_info;
|
|
}
|
|
}
|
|
|
|
address = mem_info.addr + mem_info.size;
|
|
} while (address != 0 && *out_count < max_count);
|
|
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::ReadCheatProcessMemory(u64 proc_addr, void *out_data, size_t size) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
return ReadCheatProcessMemoryForVm(proc_addr, out_data, size);
|
|
}
|
|
|
|
Result DmntCheatManager::WriteCheatProcessMemory(u64 proc_addr, const void *data, size_t size) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
return WriteCheatProcessMemoryForVm(proc_addr, data, size);
|
|
}
|
|
|
|
Result DmntCheatManager::QueryCheatProcessMemory(MemoryInfo *mapping, u64 address) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (HasActiveCheatProcess()) {
|
|
u32 tmp;
|
|
return svcQueryDebugProcessMemory(mapping, &tmp, g_cheat_process_debug_hnd, address);
|
|
}
|
|
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
void DmntCheatManager::ResetCheatEntry(size_t i) {
|
|
if (i < DmntCheatManager::MaxCheatCount) {
|
|
g_cheat_entries[i].enabled = false;
|
|
g_cheat_entries[i].cheat_id = i;
|
|
g_cheat_entries[i].definition = {0};
|
|
}
|
|
}
|
|
|
|
void DmntCheatManager::ResetAllCheatEntries() {
|
|
for (size_t i = 0; i < DmntCheatManager::MaxCheatCount; i++) {
|
|
ResetCheatEntry(i);
|
|
}
|
|
}
|
|
|
|
CheatEntry *DmntCheatManager::GetFreeCheatEntry() {
|
|
/* Check all non-master cheats for availability. */
|
|
for (size_t i = 1; i < DmntCheatManager::MaxCheatCount; i++) {
|
|
if (g_cheat_entries[i].definition.num_opcodes == 0) {
|
|
return &g_cheat_entries[i];
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
CheatEntry *DmntCheatManager::GetCheatEntryById(size_t i) {
|
|
if (i < DmntCheatManager::MaxCheatCount) {
|
|
return &g_cheat_entries[i];
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool DmntCheatManager::ParseCheats(const char *s, size_t len) {
|
|
size_t i = 0;
|
|
CheatEntry *cur_entry = NULL;
|
|
|
|
while (i < len) {
|
|
if (isspace(s[i])) {
|
|
/* Just ignore space. */
|
|
i++;
|
|
} else if (s[i] == '[') {
|
|
/* Parse a readable cheat name. */
|
|
cur_entry = GetFreeCheatEntry();
|
|
if (cur_entry == NULL) {
|
|
return false;
|
|
}
|
|
|
|
/* Extract name bounds. */
|
|
size_t j = i + 1;
|
|
while (s[j] != ']') {
|
|
j++;
|
|
if (j >= len || (j - i - 1) >= sizeof(cur_entry->definition.readable_name)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* s[i+1:j] is cheat name. */
|
|
const size_t cheat_name_len = (j - i - 1);
|
|
memcpy(cur_entry->definition.readable_name, &s[i+1], cheat_name_len);
|
|
cur_entry->definition.readable_name[cheat_name_len] = 0;
|
|
|
|
/* Skip onwards. */
|
|
i = j + 1;
|
|
} else if (s[i] == '{') {
|
|
/* We're parsing a master cheat. */
|
|
cur_entry = &g_cheat_entries[0];
|
|
|
|
/* There can only be one master cheat. */
|
|
if (cur_entry->definition.num_opcodes > 0) {
|
|
return false;
|
|
}
|
|
|
|
/* Extract name bounds */
|
|
size_t j = i + 1;
|
|
while (s[j] != '}') {
|
|
j++;
|
|
if (j >= len || (j - i - 1) >= sizeof(cur_entry->definition.readable_name)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* s[i+1:j] is cheat name. */
|
|
const size_t cheat_name_len = (j - i - 1);
|
|
memcpy(cur_entry->definition.readable_name, &s[i+1], cheat_name_len);
|
|
cur_entry->definition.readable_name[cheat_name_len] = 0;
|
|
|
|
/* Skip onwards. */
|
|
i = j + 1;
|
|
} else if (isxdigit(s[i])) {
|
|
/* Make sure that we have a cheat open. */
|
|
if (cur_entry == NULL) {
|
|
return false;
|
|
}
|
|
|
|
/* Bounds check the opcode count. */
|
|
if (cur_entry->definition.num_opcodes >= sizeof(cur_entry->definition.opcodes)/sizeof(cur_entry->definition.opcodes[0])) {
|
|
return false;
|
|
}
|
|
|
|
/* We're parsing an instruction, so validate it's 8 hex digits. */
|
|
for (size_t j = 1; j < 8; j++) {
|
|
/* Validate 8 hex chars. */
|
|
if (i + j >= len || !isxdigit(s[i+j])) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* Parse the new opcode. */
|
|
char hex_str[9] = {0};
|
|
memcpy(hex_str, &s[i], 8);
|
|
cur_entry->definition.opcodes[cur_entry->definition.num_opcodes++] = strtoul(hex_str, NULL, 16);
|
|
|
|
|
|
/* Skip onwards. */
|
|
i += 8;
|
|
} else {
|
|
/* Unexpected character encountered. */
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* Enable all entries we parsed. */
|
|
for (size_t i = 0; i < DmntCheatManager::MaxCheatCount; i++) {
|
|
if (g_cheat_entries[i].definition.num_opcodes > 0) {
|
|
g_cheat_entries[i].enabled = true;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool DmntCheatManager::LoadCheats(u64 title_id, const u8 *build_id) {
|
|
/* Reset existing entries. */
|
|
ResetAllCheatEntries();
|
|
|
|
FILE *f_cht = NULL;
|
|
/* Open the file for title/build_id. */
|
|
{
|
|
char path[FS_MAX_PATH+1] = {0};
|
|
snprintf(path, FS_MAX_PATH, "sdmc:/atmosphere/titles/%016lx/cheats/%02x%02x%02x%02x%02x%02x%02x%02x.txt", title_id,
|
|
build_id[0], build_id[1], build_id[2], build_id[3], build_id[4], build_id[5], build_id[6], build_id[7]);
|
|
|
|
f_cht = fopen(path, "rb");
|
|
}
|
|
|
|
/* Check for NULL */
|
|
if (f_cht == NULL) {
|
|
return false;
|
|
}
|
|
ON_SCOPE_EXIT { fclose(f_cht); };
|
|
|
|
/* Get file size. */
|
|
fseek(f_cht, 0L, SEEK_END);
|
|
const size_t cht_sz = ftell(f_cht);
|
|
fseek(f_cht, 0L, SEEK_SET);
|
|
|
|
/* Allocate cheat txt buffer. */
|
|
char *cht_txt = (char *)malloc(cht_sz + 1);
|
|
if (cht_txt == NULL) {
|
|
return false;
|
|
}
|
|
ON_SCOPE_EXIT { free(cht_txt); };
|
|
|
|
/* Read cheats into buffer. */
|
|
if (fread(cht_txt, 1, cht_sz, f_cht) != cht_sz) {
|
|
return false;
|
|
}
|
|
cht_txt[cht_sz] = 0;
|
|
|
|
/* Parse cheat buffer. */
|
|
return ParseCheats(cht_txt, strlen(cht_txt));
|
|
}
|
|
|
|
Result DmntCheatManager::GetCheatCount(u64 *out_count) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
*out_count = 0;
|
|
for (size_t i = 0; i < DmntCheatManager::MaxCheatCount; i++) {
|
|
if (g_cheat_entries[i].definition.num_opcodes > 0) {
|
|
*out_count += 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::GetCheats(CheatEntry *cheats, size_t max_count, u64 *out_count, u64 offset) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
u64 count = 0;
|
|
*out_count = 0;
|
|
for (size_t i = 0; i < DmntCheatManager::MaxCheatCount && (*out_count) < max_count; i++) {
|
|
if (g_cheat_entries[i].definition.num_opcodes > 0) {
|
|
count++;
|
|
if (count > offset) {
|
|
cheats[(*out_count)++] = g_cheat_entries[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::GetCheatById(CheatEntry *out_cheat, u32 cheat_id) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
const CheatEntry *entry = GetCheatEntryById(cheat_id);
|
|
if (entry == nullptr || entry->definition.num_opcodes == 0) {
|
|
return ResultDmntCheatUnknownChtId;
|
|
}
|
|
|
|
*out_cheat = *entry;
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::ToggleCheat(u32 cheat_id) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
CheatEntry *entry = GetCheatEntryById(cheat_id);
|
|
if (entry == nullptr || entry->definition.num_opcodes == 0) {
|
|
return ResultDmntCheatUnknownChtId;
|
|
}
|
|
|
|
entry->enabled = !entry->enabled;
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::AddCheat(u32 *out_id, CheatDefinition *def, bool enabled) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
if (def->num_opcodes == 0 || def->num_opcodes > sizeof(def->opcodes)/sizeof(def->opcodes[0])) {
|
|
return ResultDmntCheatInvalidCheat;
|
|
}
|
|
|
|
CheatEntry *new_entry = GetFreeCheatEntry();
|
|
if (new_entry == nullptr) {
|
|
return ResultDmntCheatOutOfCheats;
|
|
}
|
|
|
|
new_entry->enabled = enabled;
|
|
new_entry->definition = *def;
|
|
return 0;
|
|
}
|
|
|
|
Result DmntCheatManager::RemoveCheat(u32 cheat_id) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (!HasActiveCheatProcess()) {
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
if (cheat_id >= DmntCheatManager::MaxCheatCount) {
|
|
return ResultDmntCheatUnknownChtId;
|
|
}
|
|
|
|
ResetCheatEntry(cheat_id);
|
|
return 0;
|
|
}
|
|
|
|
Handle DmntCheatManager::PrepareDebugNextApplication() {
|
|
Result rc;
|
|
Handle event_h;
|
|
if (R_FAILED((rc = pmdmntEnableDebugForApplication(&event_h)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
|
|
return event_h;
|
|
}
|
|
|
|
static void PopulateMemoryExtents(MemoryRegionExtents *extents, Handle p_h, u64 id_base, u64 id_size) {
|
|
Result rc;
|
|
/* Get base extent. */
|
|
if (R_FAILED((rc = svcGetInfo(&extents->base, id_base, p_h, 0)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
|
|
/* Get size extent. */
|
|
if (R_FAILED((rc = svcGetInfo(&extents->size, id_size, p_h, 0)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
}
|
|
|
|
static void StartDebugProcess(u64 pid) {
|
|
Result rc = pmdmntStartProcess(pid);
|
|
if (R_FAILED(rc)) {
|
|
fatalSimple(rc);
|
|
}
|
|
}
|
|
|
|
Result DmntCheatManager::ForceOpenCheatProcess() {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
Result rc;
|
|
|
|
if (HasActiveCheatProcess()) {
|
|
return 0;
|
|
}
|
|
|
|
/* Get the current application process ID. */
|
|
if (R_FAILED((rc = pmdmntGetApplicationPid(&g_cheat_process_metadata.process_id)))) {
|
|
return rc;
|
|
}
|
|
ON_SCOPE_EXIT { if (R_FAILED(rc)) { g_cheat_process_metadata.process_id = 0; } };
|
|
|
|
/* Get process handle, use it to learn memory extents. */
|
|
{
|
|
Handle proc_h = 0;
|
|
ON_SCOPE_EXIT { if (proc_h != 0) { svcCloseHandle(proc_h); } };
|
|
|
|
if (R_FAILED((rc = pmdmntAtmosphereGetProcessInfo(&proc_h, &g_cheat_process_metadata.title_id, nullptr, g_cheat_process_metadata.process_id)))) {
|
|
return rc;
|
|
}
|
|
|
|
/* Get memory extents. */
|
|
PopulateMemoryExtents(&g_cheat_process_metadata.heap_extents, proc_h, 4, 5);
|
|
PopulateMemoryExtents(&g_cheat_process_metadata.alias_extents, proc_h, 2, 3);
|
|
if (kernelAbove200()) {
|
|
PopulateMemoryExtents(&g_cheat_process_metadata.address_space_extents, proc_h, 12, 13);
|
|
} else {
|
|
g_cheat_process_metadata.address_space_extents.base = 0x08000000UL;
|
|
g_cheat_process_metadata.address_space_extents.size = 0x78000000UL;
|
|
}
|
|
}
|
|
|
|
/* Get module information from Loader. */
|
|
{
|
|
LoaderModuleInfo proc_modules[2];
|
|
u32 num_modules;
|
|
if (R_FAILED((rc = ldrDmntGetModuleInfos(g_cheat_process_metadata.process_id, proc_modules, sizeof(proc_modules), &num_modules)))) {
|
|
return rc;
|
|
}
|
|
|
|
/* All applications must have two modules. */
|
|
/* However, this is a force-open, so we will accept one module. */
|
|
/* Poor HBL, I guess... */
|
|
LoaderModuleInfo *proc_module;
|
|
if (num_modules == 2) {
|
|
proc_module = &proc_modules[1];
|
|
} else if (num_modules == 1) {
|
|
proc_module = &proc_modules[0];
|
|
} else {
|
|
rc = ResultDmntCheatNotAttached;
|
|
return rc;
|
|
}
|
|
|
|
g_cheat_process_metadata.main_nso_extents.base = proc_module->base_address;
|
|
g_cheat_process_metadata.main_nso_extents.size = proc_module->size;
|
|
memcpy(g_cheat_process_metadata.main_nso_build_id, proc_module->build_id, sizeof(g_cheat_process_metadata.main_nso_build_id));
|
|
}
|
|
|
|
/* Read cheats off the SD. */
|
|
/* This is allowed to fail. We may not have any cheats. */
|
|
LoadCheats(g_cheat_process_metadata.title_id, g_cheat_process_metadata.main_nso_build_id);
|
|
|
|
/* Open a debug handle. */
|
|
if (R_FAILED((rc = svcDebugActiveProcess(&g_cheat_process_debug_hnd, g_cheat_process_metadata.process_id)))) {
|
|
return rc;
|
|
}
|
|
|
|
/* Continue debug events, etc. */
|
|
ContinueCheatProcess();
|
|
|
|
/* Signal to our fans. */
|
|
g_cheat_process_event->Signal();
|
|
|
|
return rc;
|
|
}
|
|
|
|
void DmntCheatManager::OnNewApplicationLaunch() {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
Result rc;
|
|
|
|
/* Close the current application, if it's open. */
|
|
CloseActiveCheatProcess();
|
|
|
|
/* Get the new application's process ID. */
|
|
if (R_FAILED((rc = pmdmntGetApplicationPid(&g_cheat_process_metadata.process_id)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
|
|
/* Get process handle, use it to learn memory extents. */
|
|
{
|
|
Handle proc_h = 0;
|
|
ON_SCOPE_EXIT { if (proc_h != 0) { svcCloseHandle(proc_h); } };
|
|
|
|
if (R_FAILED((rc = pmdmntAtmosphereGetProcessInfo(&proc_h, &g_cheat_process_metadata.title_id, nullptr, g_cheat_process_metadata.process_id)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
|
|
/* Get memory extents. */
|
|
PopulateMemoryExtents(&g_cheat_process_metadata.heap_extents, proc_h, 4, 5);
|
|
PopulateMemoryExtents(&g_cheat_process_metadata.alias_extents, proc_h, 2, 3);
|
|
if (kernelAbove200()) {
|
|
PopulateMemoryExtents(&g_cheat_process_metadata.address_space_extents, proc_h, 12, 13);
|
|
} else {
|
|
g_cheat_process_metadata.address_space_extents.base = 0x08000000UL;
|
|
g_cheat_process_metadata.address_space_extents.size = 0x78000000UL;
|
|
}
|
|
}
|
|
|
|
/* Check if we should skip based on keys down. */
|
|
if (!DmntConfigManager::HasCheatEnableButton(g_cheat_process_metadata.title_id)) {
|
|
StartDebugProcess(g_cheat_process_metadata.process_id);
|
|
g_cheat_process_metadata.process_id = 0;
|
|
return;
|
|
}
|
|
|
|
/* Get module information from Loader. */
|
|
{
|
|
LoaderModuleInfo proc_modules[2];
|
|
u32 num_modules;
|
|
if (R_FAILED((rc = ldrDmntGetModuleInfos(g_cheat_process_metadata.process_id, proc_modules, sizeof(proc_modules), &num_modules)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
|
|
/* All applications must have two modules. */
|
|
/* If we only have one, we must be e.g. mitming HBL. */
|
|
/* We don't want to fuck with HBL. */
|
|
if (num_modules != 2) {
|
|
StartDebugProcess(g_cheat_process_metadata.process_id);
|
|
g_cheat_process_metadata.process_id = 0;
|
|
return;
|
|
}
|
|
|
|
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;
|
|
memcpy(g_cheat_process_metadata.main_nso_build_id, proc_modules[1].build_id, sizeof(g_cheat_process_metadata.main_nso_build_id));
|
|
}
|
|
|
|
/* Read cheats off the SD. */
|
|
if (!LoadCheats(g_cheat_process_metadata.title_id, g_cheat_process_metadata.main_nso_build_id)) {
|
|
/* If we don't have cheats, or cheats are malformed, don't attach. */
|
|
StartDebugProcess(g_cheat_process_metadata.process_id);
|
|
g_cheat_process_metadata.process_id = 0;
|
|
return;
|
|
}
|
|
|
|
/* Open a debug handle. */
|
|
if (R_FAILED((rc = svcDebugActiveProcess(&g_cheat_process_debug_hnd, g_cheat_process_metadata.process_id)))) {
|
|
fatalSimple(rc);
|
|
}
|
|
|
|
/* Start the process. */
|
|
StartDebugProcess(g_cheat_process_metadata.process_id);
|
|
|
|
/* Continue debug events, etc. */
|
|
ContinueCheatProcess();
|
|
|
|
/* Signal to our fans. */
|
|
g_cheat_process_event->Signal();
|
|
}
|
|
|
|
void DmntCheatManager::DetectThread(void *arg) {
|
|
auto waiter = new WaitableManager(1);
|
|
waiter->AddWaitable(LoadReadOnlySystemEvent(PrepareDebugNextApplication(), [](u64 timeout) {
|
|
/* Process stuff for new application. */
|
|
DmntCheatManager::OnNewApplicationLaunch();
|
|
|
|
/* Setup detection for the next application, and close the duplicate handle. */
|
|
svcCloseHandle(PrepareDebugNextApplication());
|
|
|
|
return 0x0;
|
|
}, true));
|
|
|
|
waiter->Process();
|
|
delete waiter;
|
|
}
|
|
|
|
void DmntCheatManager::VmThread(void *arg) {
|
|
while (true) {
|
|
/* Execute Cheat VM. */
|
|
{
|
|
/* Acquire lock. */
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (HasActiveCheatProcess()) {
|
|
/* Handle any pending debug events. */
|
|
ContinueCheatProcess();
|
|
|
|
/* Execute VM. */
|
|
if (g_cheat_vm->LoadProgram(g_cheat_entries, DmntCheatManager::MaxCheatCount)) {
|
|
if (g_cheat_vm->GetProgramSize() != 0) {
|
|
g_cheat_vm->Execute(&g_cheat_process_metadata);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
svcSleepThread(0x5000000ul);
|
|
}
|
|
}
|
|
|
|
bool DmntCheatManager::GetHasActiveCheatProcess() {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
return HasActiveCheatProcess();
|
|
}
|
|
|
|
Handle DmntCheatManager::GetCheatProcessEventHandle() {
|
|
return g_cheat_process_event->GetHandle();
|
|
}
|
|
|
|
Result DmntCheatManager::GetCheatProcessMetadata(CheatProcessMetadata *out) {
|
|
std::scoped_lock<HosMutex> lk(g_cheat_lock);
|
|
|
|
if (HasActiveCheatProcess()) {
|
|
*out = g_cheat_process_metadata;
|
|
return 0;
|
|
}
|
|
|
|
return ResultDmntCheatNotAttached;
|
|
}
|
|
|
|
void DmntCheatManager::InitializeCheatManager() {
|
|
/* Create cheat process detection event. */
|
|
g_cheat_process_event = CreateWriteOnlySystemEvent();
|
|
|
|
/* Create cheat vm. */
|
|
g_cheat_vm = new DmntCheatVm();
|
|
|
|
/* Spawn application detection thread, spawn cheat vm thread. */
|
|
if (R_FAILED(g_detect_thread.Initialize(&DmntCheatManager::DetectThread, nullptr, 0x4000, 28))) {
|
|
std::abort();
|
|
}
|
|
if (R_FAILED(g_vm_thread.Initialize(&DmntCheatManager::VmThread, nullptr, 0x4000, 28))) {
|
|
std::abort();
|
|
}
|
|
|
|
/* Start threads. */
|
|
if (R_FAILED(g_detect_thread.Start()) || R_FAILED(g_vm_thread.Start())) {
|
|
std::abort();
|
|
}
|
|
}
|