1273 lines
41 KiB
C
1273 lines
41 KiB
C
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016-2019 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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/* This file was entirely written by Duckbill */
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#include <3ds.h>
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#include "menus/cheats.h"
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#include "memory.h"
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#include "draw.h"
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#include "menu.h"
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#include "utils.h"
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#include "fmt.h"
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#include "ifile.h"
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#define MAKE_QWORD(hi,low) \
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((u64) ((((u64)(hi)) << 32) | (low)))
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typedef struct CheatProcessInfo
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{
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u32 pid;
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u64 titleId;
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} CheatProcessInfo;
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typedef struct CheatDescription
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{
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u32 active;
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u32 valid;
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char hasKeyCode;
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char name[39];
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u32 codesCount;
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u64 codes[0];
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} CheatDescription;
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CheatDescription* cheats[1024] = { 0 };
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u8 cheatFileBuffer[16384] = { 0 };
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u32 cheatFilePos = 0;
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u8 cheatBuffer[16384] = { 0 };
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static CheatProcessInfo cheatinfo[0x40] = { 0 };
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static s32 Cheats_FetchProcessInfo(void)
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{
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u32 pidList[0x40];
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s32 processAmount;
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s64 sa, textTotalRoundedSize, rodataTotalRoundedSize, dataTotalRoundedSize;
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svcGetProcessList(&processAmount, pidList, 0x40);
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for (s32 i = 0; i < processAmount; i++)
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{
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Handle processHandle;
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Result res = svcOpenProcess(&processHandle, pidList[i]);
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if (R_FAILED(res)) continue;
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cheatinfo[i].pid = pidList[i];
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svcGetProcessInfo((s64 *) &cheatinfo[i].titleId, processHandle, 0x10001);
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svcGetProcessInfo(&textTotalRoundedSize, processHandle, 0x10002);
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svcGetProcessInfo(&rodataTotalRoundedSize, processHandle, 0x10003);
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svcGetProcessInfo(&dataTotalRoundedSize, processHandle, 0x10004);
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svcGetProcessInfo(&sa, processHandle, 0x10005);
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svcCloseHandle(processHandle);
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}
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return processAmount;
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}
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typedef struct CheatState
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{
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u32 index;
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u32 offset;
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u32 data;
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u8 typeELine;
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u8 typeEIdx;
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s8 loopLine;
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u32 loopCount;
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u32 ifStack;
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u32 storedStack;
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u8 ifCount;
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u8 storedIfCount;
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} CheatState;
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CheatState cheat_state = { 0 };
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u8 cheatCount = 0;
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u64 cheatTitleInfo = -1ULL;
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char failureReason[64];
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static bool Cheat_IsValidAddress(const Handle processHandle, u32 address, u32 size)
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{
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MemInfo info;
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PageInfo out;
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Result res = svcQueryDebugProcessMemory(&info, &out, processHandle, address);
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if (R_SUCCEEDED(res) && info.state != MEMSTATE_FREE && info.base_addr > 0 && info.base_addr <= address && address <= info.base_addr + info.size - size) {
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return true;
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}
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return false;
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}
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static u32 ReadWriteBuffer32 = 0;
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static u16 ReadWriteBuffer16 = 0;
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static u8 ReadWriteBuffer8 = 0;
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static bool Cheat_Write8(const Handle processHandle, u32 offset, u8 value)
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{
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if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 1))
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{
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*((u8*) (&ReadWriteBuffer8)) = value;
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return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer8, cheat_state.offset + offset, 1));
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}
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return false;
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}
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static bool Cheat_Write16(const Handle processHandle, u32 offset, u16 value)
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{
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if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 2))
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{
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*((u16*) (&ReadWriteBuffer16)) = value;
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return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer16, cheat_state.offset + offset, 2));
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}
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return false;
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}
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static bool Cheat_Write32(const Handle processHandle, u32 offset, u32 value)
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{
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if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 4))
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{
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*((u32*) (&ReadWriteBuffer32)) = value;
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return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer32, cheat_state.offset + offset, 4));
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}
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return false;
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}
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static bool Cheat_Read8(const Handle processHandle, u32 offset, u8* retValue)
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{
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if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 1))
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{
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Result res = svcReadProcessMemory(&ReadWriteBuffer8, processHandle, cheat_state.offset + offset, 1);
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*retValue = *((u8*) (&ReadWriteBuffer8));
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return R_SUCCEEDED(res);
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}
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return false;
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}
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static bool Cheat_Read16(const Handle processHandle, u32 offset, u16* retValue)
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{
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if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 2))
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{
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Result res = svcReadProcessMemory(&ReadWriteBuffer16, processHandle, cheat_state.offset + offset, 2);
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*retValue = *((u16*) (&ReadWriteBuffer16));
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return R_SUCCEEDED(res);
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}
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return false;
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}
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static bool Cheat_Read32(const Handle processHandle, u32 offset, u32* retValue)
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{
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if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 4))
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{
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Result res = svcReadProcessMemory(&ReadWriteBuffer32, processHandle, cheat_state.offset + offset, 4);
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*retValue = *((u32*) (&ReadWriteBuffer32));
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return R_SUCCEEDED(res);
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}
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return false;
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}
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static u8 typeEMapping[] = { 4 << 3, 5 << 3, 6 << 3, 7 << 3, 0 << 3, 1 << 3, 2 << 3, 3 << 3 };
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static u8 Cheat_GetNextTypeE(const CheatDescription* cheat)
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{
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if (cheat_state.typeEIdx == 7)
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{
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cheat_state.typeEIdx = 0;
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cheat_state.typeELine++;
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}
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else
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{
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cheat_state.typeEIdx++;
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}
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return (u8) ((cheat->codes[cheat_state.typeELine] >> (typeEMapping[cheat_state.typeEIdx])) & 0xFF);
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}
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static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription* const cheat)
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{
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cheat_state.index = 0;
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cheat_state.offset = 0;
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cheat_state.data = 0;
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cheat_state.index = 0;
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cheat_state.loopCount = 0;
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cheat_state.loopLine = -1;
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cheat_state.ifStack = 0;
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cheat_state.storedStack = 0;
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cheat_state.ifCount = 0;
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cheat_state.storedIfCount = 0;
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while (cheat_state.index < cheat->codesCount)
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{
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u32 skipExecution = cheat_state.ifStack & 0x00000001;
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u32 arg0 = (u32) ((cheat->codes[cheat_state.index] >> 32) & 0x00000000FFFFFFFFULL);
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u32 arg1 = (u32) ((cheat->codes[cheat_state.index]) & 0x00000000FFFFFFFFULL);
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if (arg0 == 0 && arg1 == 0)
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{
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return 0;
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}
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u32 code = ((arg0 >> 28) & 0x0F);
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u32 subcode = ((arg0 >> 24) & 0x0F);
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switch (code)
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{
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case 0x0:
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// 0 Type
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// Format: 0XXXXXXX YYYYYYYY
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// Description: 32bit write of YYYYYYYY to 0XXXXXXX.
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if (!skipExecution)
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{
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if (!Cheat_Write32(processHandle, (arg0 & 0x0FFFFFFF), arg1)) return 0;
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}
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break;
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case 0x1:
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// 1 Type
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// Format: 1XXXXXXX 0000YYYY
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// Description: 16bit write of YYYY to 0XXXXXXX.
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if (!skipExecution)
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{
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if (!Cheat_Write16(processHandle, (arg0 & 0x0FFFFFFF), (u16) (arg1 & 0xFFFF))) return 0;
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}
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break;
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case 0x2:
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// 2 Type
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// Format: 2XXXXXXX 000000YY
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// Description: 8bit write of YY to 0XXXXXXX.
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if (!skipExecution)
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{
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if (!Cheat_Write8(processHandle, (arg0 & 0x0FFFFFFF), (u8) (arg1 & 0xFF))) return 0;
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}
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break;
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case 0x3:
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// 3 Type
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// Format: 3XXXXXXXX YYYYYYYY
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// Description: 32bit if less than.
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// Simple: If the value at address 0XXXXXXX is less than the value YYYYYYYY.
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// Example: 323D6B28 10000000
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{
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u32 newSkip;
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u32 value = 0;
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if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if (value < arg1)
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0x4:
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// 4 Type
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// Format: 4XXXXXXXX YYYYYYYY
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// Description: 32bit if greater than.
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// Simple: If the value at address 0XXXXXXX is greater than the value YYYYYYYY.
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// Example: 423D6B28 10000000
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{
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u32 newSkip;
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u32 value = 0;
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if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if (value > arg1)
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0x5:
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// 5 Type
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// Format: 5XXXXXXXX YYYYYYYY
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// Description: 32bit if equal to.
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// Simple: If the value at address 0XXXXXXX is equal to the value YYYYYYYY.
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// Example: 523D6B28 10000000
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{
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u32 newSkip;
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u32 value = 0;
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if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if (value == arg1)
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0x6:
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// 6 Type
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// Format: 3XXXXXXXX YYYYYYYY
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// Description: 32bit if not equal to.
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// Simple: If the value at address 0XXXXXXX is not equal to the value YYYYYYYY.
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// Example: 623D6B28 10000000
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{
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u32 newSkip;
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u32 value = 0;
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if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if (value != arg1)
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0x7:
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// 7 Type
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// Format: 7XXXXXXXX 0000YYYY
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// Description: 16bit if less than.
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// Simple: If the value at address 0XXXXXXX is less than the value YYYY.
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// Example: 723D6B28 00005400
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{
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u32 newSkip;
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u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
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u16 value = 0;
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if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if ((value & (~mask)) < (arg1 & 0xFFFF))
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0x8:
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// 8 Type
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// Format: 8XXXXXXXX 0000YYYY
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// Description: 16bit if greater than.
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// Simple: If the value at address 0XXXXXXX is greater than the value YYYY.
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// Example: 823D6B28 00005400
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{
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u32 newSkip;
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u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
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u16 value = 0;
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if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if ((value & (~mask)) > (arg1 & 0xFFFF))
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0x9:
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// 9 Type
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// Format: 9XXXXXXXX 0000YYYY
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// Description: 16bit if equal to.
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// Simple: If the value at address 0XXXXXXX is equal to the value YYYY.
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// Example: 923D6B28 00005400
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{
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u32 newSkip;
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u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
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u16 value = 0;
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if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if ((value & (~mask)) == (arg1 & 0xFFFF))
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{
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newSkip = 0;
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}
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else
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{
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newSkip = 1;
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}
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0xA:
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// A Type
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// Format: AXXXXXXXX 0000YYYY
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// Description: 16bit if not equal to.
|
|
// Simple: If the value at address 0XXXXXXX is not equal to the value YYYY.
|
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// Example: A23D6B28 00005400
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{
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u32 newSkip;
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u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
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u16 value = 0;
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if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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if ((value & (~mask)) != (arg1 & 0xFFFF))
|
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{
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newSkip = 0;
|
|
}
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else
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{
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newSkip = 1;
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|
}
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|
|
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cheat_state.ifStack <<= 1;
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cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
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cheat_state.ifCount++;
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}
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break;
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case 0xB:
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// B Type
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// Format: BXXXXXXX 00000000
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|
// Description: Loads offset register with value at given XXXXXXX
|
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if (!skipExecution)
|
|
{
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|
u32 value;
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if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
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cheat_state.offset = value;
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}
|
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break;
|
|
case 0xC:
|
|
// C Type
|
|
// Format: C0000000 ZZZZZZZZ
|
|
// Description: Repeat following lines at specified offset.
|
|
// Simple: used to write a value to an address, and then continues to write that value Z number of times to all addresses at an offset determined by the (D6, D7, D8, or DC) type following it.
|
|
// Note: used with the D6, D7, D8, and DC types. C types can not be nested.
|
|
// Example:
|
|
|
|
// C0000000 00000005
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|
// 023D6B28 0009896C
|
|
// DC000000 00000010
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|
// D2000000 00000000
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|
|
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cheat_state.loopLine = cheat_state.index;
|
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cheat_state.loopCount = arg1;
|
|
cheat_state.storedStack = cheat_state.ifStack;
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cheat_state.storedIfCount = cheat_state.ifCount;
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break;
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case 0xD:
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switch (subcode)
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{
|
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case 0x00:
|
|
// D0 Type
|
|
// Format: D0000000 00000000
|
|
// Description: ends most recent conditional.
|
|
// Simple: type 3 through A are all "conditionals," the conditional most recently executed before this line will be terminated by it.
|
|
// Example:
|
|
|
|
// 94000130 FFFB0000
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|
// 74000100 FF00000C
|
|
// 023D6B28 0009896C
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|
// D0000000 00000000
|
|
|
|
// The 7 type line would be terminated.
|
|
if (cheat_state.loopLine != -1)
|
|
{
|
|
if (cheat_state.ifCount > 0 && cheat_state.ifCount > cheat_state.storedIfCount)
|
|
{
|
|
cheat_state.ifStack >>= 1;
|
|
cheat_state.ifCount--;
|
|
}
|
|
else
|
|
{
|
|
|
|
if (cheat_state.loopCount > 0)
|
|
{
|
|
cheat_state.loopCount--;
|
|
if (cheat_state.loopCount == 0)
|
|
{
|
|
cheat_state.loopLine = -1;
|
|
}
|
|
else
|
|
{
|
|
if (cheat_state.loopLine != -1)
|
|
{
|
|
cheat_state.index = cheat_state.loopLine;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (cheat_state.ifCount > 0)
|
|
{
|
|
cheat_state.ifStack >>= 1;
|
|
cheat_state.ifCount--;
|
|
}
|
|
}
|
|
break;
|
|
case 0x01:
|
|
// D1 Type
|
|
// Format: D1000000 00000000
|
|
// Description: ends repeat block.
|
|
// Simple: will end all conditionals within a C type code, along with the C type itself.
|
|
// Example:
|
|
|
|
// 94000130 FFFB0000
|
|
// C0000000 00000010
|
|
// 8453DA0C 00000200
|
|
// 023D6B28 0009896C
|
|
// D6000000 00000005
|
|
// D1000000 00000000
|
|
|
|
// The C line, 8 line, 0 line, and D6 line would be terminated.
|
|
if (cheat_state.loopCount > 0)
|
|
{
|
|
cheat_state.ifStack = cheat_state.storedStack;
|
|
cheat_state.ifCount = cheat_state.storedIfCount;
|
|
cheat_state.loopCount--;
|
|
if (cheat_state.loopCount == 0)
|
|
{
|
|
cheat_state.loopLine = -1;
|
|
}
|
|
else
|
|
{
|
|
if (cheat_state.loopLine != -1)
|
|
{
|
|
cheat_state.index = cheat_state.loopLine;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 0x02:
|
|
// D2 Type
|
|
// Format: D2000000 00000000
|
|
// Description: ends all conditionals/repeats before it and sets offset and stored to zero.
|
|
// Simple: ends all lines.
|
|
// Example:
|
|
|
|
// 94000130 FEEF0000
|
|
// C0000000 00000010
|
|
// 8453DA0C 00000200
|
|
// 023D6B28 0009896C
|
|
// D6000000 00000005
|
|
// D2000000 00000000
|
|
|
|
// All lines would terminate.
|
|
if (cheat_state.loopCount > 0)
|
|
{
|
|
cheat_state.loopCount--;
|
|
if (cheat_state.loopCount == 0)
|
|
{
|
|
cheat_state.data = 0;
|
|
cheat_state.offset = 0;
|
|
cheat_state.loopLine = -1;
|
|
|
|
cheat_state.ifStack = 0;
|
|
cheat_state.ifCount = 0;
|
|
}
|
|
else
|
|
{
|
|
if (cheat_state.loopLine != -1)
|
|
{
|
|
cheat_state.index = cheat_state.loopLine;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
cheat_state.data = 0;
|
|
cheat_state.offset = 0;
|
|
cheat_state.ifStack = 0;
|
|
cheat_state.ifCount = 0;
|
|
}
|
|
break;
|
|
case 0x03:
|
|
// D3 Type
|
|
// Format: D3000000 XXXXXXXX
|
|
// Description: sets offset.
|
|
// Simple: loads the address X so that lines after can modify the value at address X.
|
|
// Note: used with the D4, D5, D6, D7, D8, and DC types.
|
|
// Example: D3000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
cheat_state.offset = arg1;
|
|
}
|
|
break;
|
|
case 0x04:
|
|
// D4 Type
|
|
// Format: D4000000 YYYYYYYY
|
|
// Description: adds to the stored address' value.
|
|
// Simple: adds to the value at the address defined by lines D3, D9, DA, and DB.
|
|
// Note: used with the D3, D9, DA, DB, DC types.
|
|
// Example: D4000000 00000025
|
|
if (!skipExecution)
|
|
{
|
|
cheat_state.data += arg1;
|
|
}
|
|
break;
|
|
case 0x05:
|
|
// D5 Type
|
|
// Format: D5000000 YYYYYYYY
|
|
// Description: sets the stored address' value.
|
|
// Simple: makes the value at the address defined by lines D3, D9, DA, and DB to YYYYYYYY.
|
|
// Note: used with the D3, D9, DA, DB, and DC types.
|
|
// Example: D5000000 34540099
|
|
if (!skipExecution)
|
|
{
|
|
cheat_state.data = arg1;
|
|
}
|
|
break;
|
|
case 0x06:
|
|
// D6 Type
|
|
// Format: D6000000 XXXXXXXX
|
|
// Description: 32bit store and increment by 4.
|
|
// Simple: stores the value at address XXXXXXXX and to addresses in increments of 4.
|
|
// Note: used with the C, D3, and D9 types.
|
|
// Example: D3000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
if (!Cheat_Write32(processHandle, arg1, cheat_state.data)) return 0;
|
|
cheat_state.offset += 4;
|
|
}
|
|
break;
|
|
case 0x07:
|
|
// D7 Type
|
|
// Format: D7000000 XXXXXXXX
|
|
// Description: 16bit store and increment by 2.
|
|
// Simple: stores 2 bytes of the value at address XXXXXXXX and to addresses in increments of 2.
|
|
// Note: used with the C, D3, and DA types.
|
|
// Example: D7000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
if (!Cheat_Write16(processHandle, arg1, (u16) (cheat_state.data & 0xFFFF))) return 0;
|
|
cheat_state.offset += 2;
|
|
}
|
|
break;
|
|
case 0x08:
|
|
// D8 Type
|
|
// Format: D8000000 XXXXXXXX
|
|
// Description: 8bit store and increment by 1.
|
|
// Simple: stores 1 byte of the value at address XXXXXXXX and to addresses in increments of 1.
|
|
// Note: used with the C, D3, and DB types.
|
|
// Example: D8000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
if (!Cheat_Write8(processHandle, arg1, (u8) (cheat_state.data & 0xFF))) return 0;
|
|
cheat_state.offset += 1;
|
|
}
|
|
break;
|
|
case 0x09:
|
|
// D9 Type
|
|
// Format: D9000000 XXXXXXXX
|
|
// Description: 32bit load.
|
|
// Simple: loads the value from address X.
|
|
// Note: used with the D5 and D6 types.
|
|
// Example: D9000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
u32 value = 0;
|
|
if (!Cheat_Read32(processHandle, arg1, &value)) return 0;
|
|
cheat_state.data = value;
|
|
}
|
|
break;
|
|
case 0x0A:
|
|
// DA Type
|
|
// Format: DA000000 XXXXXXXX
|
|
// Description: 16bit load.
|
|
// Simple: loads 2 bytes from address X.
|
|
// Note: used with the D5 and D7 types.
|
|
// Example: DA000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
u16 value = 0;
|
|
if (!Cheat_Read16(processHandle, arg1, &value)) return 0;
|
|
cheat_state.data = value;
|
|
}
|
|
break;
|
|
case 0x0B:
|
|
// DB Type
|
|
// Format: DB000000 XXXXXXXX
|
|
// Description: 8bit load.
|
|
// Simple: loads 1 byte from address X.
|
|
// Note: used with the D5 and D8 types.
|
|
// Example: DB000000 023D6B28
|
|
if (!skipExecution)
|
|
{
|
|
u8 value = 0;
|
|
if (!Cheat_Read8(processHandle, arg1, &value)) return 0;
|
|
cheat_state.data = value;
|
|
}
|
|
break;
|
|
case 0x0C:
|
|
// DC Type
|
|
// Format: DC000000 VVVVVVVV
|
|
// Description: 32bit store and increment by V.
|
|
// Simple: stores the value at address(es) before it and to addresses in increments of V.
|
|
// Note: used with the C, D3, D5, D9, D8, DB types.
|
|
// Example: DC000000 00000100
|
|
if (!skipExecution)
|
|
{
|
|
cheat_state.offset += arg1;
|
|
}
|
|
break;
|
|
case 0x0D:
|
|
// DD Type
|
|
{
|
|
u32 newSkip;
|
|
if (arg1 == 0 || (HID_PAD & arg1) == arg1)
|
|
{
|
|
newSkip = 0;
|
|
}
|
|
else
|
|
{
|
|
newSkip = 1;
|
|
}
|
|
|
|
cheat_state.ifStack <<= 1;
|
|
cheat_state.ifStack |= ((newSkip | skipExecution) & 0x1);
|
|
cheat_state.ifCount++;
|
|
}
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
break;
|
|
case 0xE:
|
|
// E Type
|
|
// Format:
|
|
// EXXXXXXX UUUUUUUU
|
|
// YYYYYYYY YYYYYYYY
|
|
|
|
// Description: writes Y to X for U bytes.
|
|
|
|
{
|
|
u32 beginOffset = (arg0 & 0x0FFFFFFF);
|
|
u32 count = arg1;
|
|
cheat_state.typeELine = cheat_state.index;
|
|
cheat_state.typeEIdx = 7;
|
|
for (u32 i = 0; i < count; i++)
|
|
{
|
|
u8 byte = Cheat_GetNextTypeE(cheat);
|
|
if (!skipExecution)
|
|
{
|
|
if (!Cheat_Write8(processHandle, beginOffset + i, byte)) return 0;
|
|
}
|
|
}
|
|
cheat_state.index = cheat_state.typeELine;
|
|
}
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
cheat_state.index++;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void Cheat_EatEvents(Handle debug)
|
|
{
|
|
DebugEventInfo info;
|
|
Result r;
|
|
|
|
while(true)
|
|
{
|
|
if((r = svcGetProcessDebugEvent(&info, debug)) != 0)
|
|
{
|
|
if(r == (s32)(0xd8402009))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
svcContinueDebugEvent(debug, 3);
|
|
}
|
|
}
|
|
|
|
static Result Cheat_MapMemoryAndApplyCheat(u32 pid, CheatDescription* const cheat)
|
|
{
|
|
Handle processHandle;
|
|
Handle debugHandle;
|
|
Result res;
|
|
res = svcOpenProcess(&processHandle, pid);
|
|
if (R_SUCCEEDED(res))
|
|
{
|
|
res = svcDebugActiveProcess(&debugHandle, pid);
|
|
if (R_SUCCEEDED(res))
|
|
{
|
|
Cheat_EatEvents(debugHandle);
|
|
cheat->valid = Cheat_ApplyCheat(debugHandle, cheat);
|
|
|
|
svcCloseHandle(debugHandle);
|
|
svcCloseHandle(processHandle);
|
|
cheat->active = 1;
|
|
}
|
|
else
|
|
{
|
|
sprintf(failureReason, "Debug process failed");
|
|
svcCloseHandle(processHandle);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sprintf(failureReason, "Open process failed");
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static CheatDescription* Cheat_AllocCheat()
|
|
{
|
|
CheatDescription* cheat;
|
|
if (cheatCount == 0)
|
|
{
|
|
cheat = (CheatDescription*) cheatBuffer;
|
|
}
|
|
else
|
|
{
|
|
CheatDescription* prev = cheats[cheatCount - 1];
|
|
cheat = (CheatDescription *) ((u8*) (prev) + sizeof(CheatDescription) + sizeof(u64) * (prev->codesCount));
|
|
}
|
|
cheat->active = 0;
|
|
cheat->valid = 1;
|
|
cheat->codesCount = 0;
|
|
cheat->hasKeyCode = 0;
|
|
cheat->name[0] = '\0';
|
|
|
|
cheats[cheatCount] = cheat;
|
|
cheatCount++;
|
|
return cheat;
|
|
}
|
|
|
|
static void Cheat_AddCode(CheatDescription* cheat, u64 code)
|
|
{
|
|
if (cheat)
|
|
{
|
|
cheat->codes[cheat->codesCount] = code;
|
|
(cheat->codesCount)++;
|
|
}
|
|
}
|
|
|
|
static Result Cheat_ReadLine(char* line, u32 lineSize)
|
|
{
|
|
Result res = 0;
|
|
|
|
char c = '\0';
|
|
u32 idx = 0;
|
|
while (R_SUCCEEDED(res) && cheatFilePos < sizeof(cheatFileBuffer))
|
|
{
|
|
c = cheatFileBuffer[cheatFilePos++];
|
|
res = c ? 0 : -1;
|
|
if (R_SUCCEEDED(res) && c != '\0')
|
|
{
|
|
if (c == '\r' && cheatFilePos < sizeof(cheatFileBuffer) && cheatFileBuffer[cheatFilePos] == '\n')
|
|
{
|
|
cheatFilePos++;
|
|
line[idx++] = '\0';
|
|
return idx;
|
|
}
|
|
else if (c == '\n' || idx >= lineSize - 1)
|
|
{
|
|
line[idx++] = '\0';
|
|
return idx;
|
|
}
|
|
else
|
|
{
|
|
line[idx++] = c;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (idx > 0)
|
|
{
|
|
line[idx++] = '\0';
|
|
return idx;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static bool Cheat_IsCodeLine(const char *line)
|
|
{
|
|
s32 len = strnlen(line, 1023);
|
|
if (len != 17)
|
|
{
|
|
return false;
|
|
}
|
|
if (line[8] != ' ')
|
|
{
|
|
return false;
|
|
}
|
|
|
|
int i;
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
char c = line[i];
|
|
if (!(('0' <= c && c <= '9') || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f')))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for (i = 9; i < 17; i++)
|
|
{
|
|
char c = line[i];
|
|
if (!(('0' <= c && c <= '9') || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f')))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static u64 Cheat_GetCode(const char *line)
|
|
{
|
|
u64 tmp = 0;
|
|
int i;
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
char c = line[i];
|
|
u8 code = 0;
|
|
if ('0' <= c && c <= '9')
|
|
{
|
|
code = c - '0';
|
|
}
|
|
if ('A' <= c && c <= 'F')
|
|
{
|
|
code = c - 'A' + 10;
|
|
}
|
|
if ('a' <= c && c <= 'f')
|
|
{
|
|
code = c - 'a' + 10;
|
|
}
|
|
tmp <<= 4;
|
|
tmp |= (code & 0xF);
|
|
}
|
|
|
|
for (i = 9; i < 17; i++)
|
|
{
|
|
char c = line[i];
|
|
u8 code = 0;
|
|
if ('0' <= c && c <= '9')
|
|
{
|
|
code = c - '0';
|
|
}
|
|
if ('A' <= c && c <= 'F')
|
|
{
|
|
code = c - 'A' + 10;
|
|
}
|
|
if ('a' <= c && c <= 'f')
|
|
{
|
|
code = c - 'a' + 10;
|
|
}
|
|
tmp <<= 4;
|
|
tmp |= (code & 0xF);
|
|
}
|
|
|
|
return tmp;
|
|
}
|
|
|
|
static void Cheat_LoadCheatsIntoMemory(u64 titleId)
|
|
{
|
|
cheatCount = 0;
|
|
cheatTitleInfo = titleId;
|
|
|
|
char path[64] = { 0 };
|
|
sprintf(path, "/luma/titles/%016llX/cheats.txt", titleId);
|
|
|
|
IFile file;
|
|
|
|
if (R_FAILED(IFile_Open(&file, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, path), FS_OPEN_READ)))
|
|
{
|
|
// OK, let's try another source
|
|
sprintf(path, "/cheats/%016llX.txt", titleId);
|
|
if (R_FAILED(IFile_Open(&file, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, path), FS_OPEN_READ))) return;
|
|
};
|
|
|
|
u64 fileLen = 0;
|
|
IFile_GetSize(&file, &fileLen);
|
|
if (fileLen > 16383)
|
|
{
|
|
fileLen = 16383;
|
|
}
|
|
|
|
u64 total;
|
|
IFile_Read(&file, &total, cheatFileBuffer, fileLen);
|
|
IFile_Close(&file);
|
|
for (int i = fileLen; i < 16384; i++)
|
|
{
|
|
cheatFileBuffer[i] = 0;
|
|
}
|
|
|
|
char line[1024] = { 0 };
|
|
Result res = 0;
|
|
CheatDescription* cheat = 0;
|
|
cheatFilePos = 0;
|
|
do
|
|
{
|
|
res = Cheat_ReadLine(line, 1024);
|
|
if (R_SUCCEEDED(res))
|
|
{
|
|
s32 lineLen = strnlen(line, 1023);
|
|
if (!lineLen)
|
|
{
|
|
continue;
|
|
}
|
|
if (line[0] == '#')
|
|
{
|
|
continue;
|
|
}
|
|
if (Cheat_IsCodeLine(line))
|
|
{
|
|
if (cheat)
|
|
{
|
|
u64 tmp = Cheat_GetCode(line);
|
|
Cheat_AddCode(cheat, tmp);
|
|
if (((tmp >> 32) & 0xFFFFFFFF) == 0xDD000000)
|
|
{
|
|
cheat->hasKeyCode = 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!cheat)
|
|
{
|
|
cheat = Cheat_AllocCheat();
|
|
}
|
|
else
|
|
{
|
|
if (cheat->codesCount > 0)
|
|
{
|
|
// Add new cheat only if previous has body. In other case just rewrite it's name
|
|
cheat = Cheat_AllocCheat();
|
|
}
|
|
}
|
|
strncpy(cheat->name, line, 38);
|
|
cheat->name[38] = '\0';
|
|
}
|
|
}
|
|
} while (R_SUCCEEDED(res));
|
|
|
|
if ((cheatCount > 0) && (cheats[cheatCount - 1]->codesCount == 0))
|
|
{
|
|
cheatCount--; // Remove last empty cheat
|
|
}
|
|
}
|
|
|
|
static u32 Cheat_GetCurrentPID(u64* titleId)
|
|
{
|
|
s32 processAmount = Cheats_FetchProcessInfo();
|
|
|
|
s32 index = -1;
|
|
|
|
for (s32 i = 0; i < processAmount; i++)
|
|
{
|
|
|
|
if (((u32) (cheatinfo[i].titleId >> 32)) == 0x00040010 || ((u32) (cheatinfo[i].titleId >> 32) == 0x00040000))
|
|
{
|
|
index = i;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (index != -1)
|
|
{
|
|
*titleId = cheatinfo[index].titleId;
|
|
return cheatinfo[index].pid;
|
|
}
|
|
else
|
|
{
|
|
*titleId = 0;
|
|
return 0xFFFFFFFF;
|
|
}
|
|
}
|
|
|
|
void Cheat_ApplyCheats(void)
|
|
{
|
|
if (!cheatCount)
|
|
{
|
|
return;
|
|
}
|
|
|
|
u64 titleId = 0;
|
|
u32 pid = Cheat_GetCurrentPID(&titleId);
|
|
|
|
if (!titleId)
|
|
{
|
|
cheatCount = 0;
|
|
return;
|
|
}
|
|
|
|
if (titleId != cheatTitleInfo)
|
|
{
|
|
cheatCount = 0;
|
|
return;
|
|
}
|
|
|
|
for (int i = 0; i < cheatCount; i++)
|
|
{
|
|
if (cheats[i]->active)
|
|
{
|
|
Cheat_MapMemoryAndApplyCheat(pid, cheats[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RosalinaMenu_Cheats(void)
|
|
{
|
|
u64 titleId = 0;
|
|
u32 pid = Cheat_GetCurrentPID(&titleId);
|
|
|
|
if (titleId != 0)
|
|
{
|
|
if (cheatTitleInfo != titleId || cheatCount == 0)
|
|
{
|
|
Cheat_LoadCheatsIntoMemory(titleId);
|
|
}
|
|
}
|
|
|
|
Draw_Lock();
|
|
Draw_ClearFramebuffer();
|
|
Draw_FlushFramebuffer();
|
|
Draw_Unlock();
|
|
|
|
if (titleId == 0 || cheatCount == 0)
|
|
{
|
|
do
|
|
{
|
|
Draw_Lock();
|
|
Draw_DrawString(10, 10, COLOR_TITLE, "Cheats");
|
|
if (titleId == 0)
|
|
{
|
|
Draw_DrawString(10, 30, COLOR_WHITE, "No suitable title found");
|
|
}
|
|
else
|
|
{
|
|
Draw_DrawFormattedString(10, 30, COLOR_WHITE, "No cheats found for title %016llX", titleId);
|
|
}
|
|
|
|
Draw_FlushFramebuffer();
|
|
Draw_Unlock();
|
|
} while (!(waitInput() & BUTTON_B) && !terminationRequest);
|
|
}
|
|
else
|
|
{
|
|
s32 selected = 0, page = 0, pagePrev = 0;
|
|
|
|
Result r = 0;
|
|
do
|
|
{
|
|
Draw_Lock();
|
|
if (page != pagePrev || R_FAILED(r))
|
|
{
|
|
Draw_ClearFramebuffer();
|
|
}
|
|
if (R_SUCCEEDED(r))
|
|
{
|
|
Draw_DrawFormattedString(10, 10, COLOR_TITLE, "Cheat list");
|
|
|
|
for (s32 i = 0; i < CHEATS_PER_MENU_PAGE && page * CHEATS_PER_MENU_PAGE + i < cheatCount; i++)
|
|
{
|
|
char buf[65] = { 0 };
|
|
s32 j = page * CHEATS_PER_MENU_PAGE + i;
|
|
const char * checkbox = (cheats[j]->active ? "(x) " : "( ) ");
|
|
const char * keyAct = (cheats[j]->hasKeyCode ? "*" : " ");
|
|
sprintf(buf, "%s%s%s", checkbox, keyAct, cheats[j]->name);
|
|
|
|
Draw_DrawString(30, 30 + i * SPACING_Y, cheats[j]->valid ? COLOR_WHITE : COLOR_RED, buf);
|
|
Draw_DrawCharacter(10, 30 + i * SPACING_Y, COLOR_TITLE, j == selected ? '>' : ' ');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Draw_DrawFormattedString(10, 10, COLOR_TITLE, "ERROR: %08lx", r);
|
|
Draw_DrawFormattedString(10, 30, COLOR_RED, failureReason);
|
|
}
|
|
Draw_FlushFramebuffer();
|
|
Draw_Unlock();
|
|
|
|
if (terminationRequest) break;
|
|
|
|
u32 pressed;
|
|
do
|
|
{
|
|
pressed = waitInputWithTimeout(50);
|
|
if (pressed != 0) break;
|
|
} while (pressed == 0 && !terminationRequest);
|
|
|
|
if (pressed & BUTTON_B)
|
|
break;
|
|
else if ((pressed & BUTTON_A) && R_SUCCEEDED(r))
|
|
{
|
|
if (cheats[selected]->active)
|
|
{
|
|
cheats[selected]->active = 0;
|
|
}
|
|
else
|
|
{
|
|
r = Cheat_MapMemoryAndApplyCheat(pid, cheats[selected]);
|
|
}
|
|
}
|
|
else if (pressed & BUTTON_DOWN)
|
|
selected++;
|
|
else if (pressed & BUTTON_UP)
|
|
selected--;
|
|
else if (pressed & BUTTON_LEFT)
|
|
selected -= CHEATS_PER_MENU_PAGE;
|
|
else if (pressed & BUTTON_RIGHT)
|
|
{
|
|
if (selected + CHEATS_PER_MENU_PAGE < cheatCount)
|
|
selected += CHEATS_PER_MENU_PAGE;
|
|
else if ((cheatCount - 1) / CHEATS_PER_MENU_PAGE == page)
|
|
selected %= CHEATS_PER_MENU_PAGE;
|
|
else selected = cheatCount - 1;
|
|
}
|
|
|
|
if (selected < 0)
|
|
selected = cheatCount - 1;
|
|
else if (selected >= cheatCount) selected = 0;
|
|
|
|
pagePrev = page;
|
|
page = selected / CHEATS_PER_MENU_PAGE;
|
|
} while (!terminationRequest);
|
|
}
|
|
|
|
}
|