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VirtualTouch.cpp
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VirtualTouch.cpp
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#include "pch.h"
#include "libWSAController.h"
#include "VirtualTouch.h"
#include "CallbackLogger.h"
#include "Codec.h"
//#define USE_PEN_TOUCH
#if defined(USE_PEN_TOUCH)
#define PT_MYTOUCH PT_PEN
#define POINTER_MYTOUCH_INFO POINTER_PEN_INFO
#define GetPointerXXInfo "GetPointerPenInfo"
#else
#define PT_MYTOUCH PT_TOUCH
#define POINTER_MYTOUCH_INFO POINTER_TOUCH_INFO
#define GetPointerXXInfo "GetPointerTouchInfo"
#endif
namespace SuperToucher
{
constexpr size_t max_touch_point_count = 512;
constexpr size_t msg_queue_max_length = 512;
constexpr size_t jmp_code_size = 32;
constexpr size_t func_size = 8192;
typedef BOOL(__stdcall* PFN_WRITEPROCESSMEMORY)(HANDLE, LPVOID, LPCVOID, SIZE_T, SIZE_T*);
typedef HANDLE(__stdcall* PFN_GETCURRENTPROCESS)(void);
typedef SHORT(__stdcall* PFN_GetKeyState)(INT);
static HANDLE m_target_process = nullptr;
static HMODULE m_kernel32 = nullptr;
static HMODULE m_user32 = nullptr;
static bool m_good = false;
bool IsReady() { return m_good; }
struct BeltedQueue
{
LPVOID __pNext = nullptr;
UINT64 isEnd = 0;
};
struct MsgQueue : BeltedQueue
{
MSG msg = {};
};
struct PointsQueue : BeltedQueue
{
UINT64 count = 0;
UINT16 points[max_touch_point_count];
POINTER_MYTOUCH_INFO info[max_touch_point_count];
};
struct TouchedPoint
{
HWND dst = NULL;
UINT16 id = 1;
DWORD flags = 0xffffffff;
WPARAM to_wparam()
{
return id | (uint64_t(flags) << 16);
}
};
class InjectedCode
{
private:
struct
{
LPVOID lpFunction = NULL;
LPVOID lpGetCurrentProcess = NULL;
LPVOID lpWriteProcessMemory = NULL;
LPVOID lpVirtualProtectEx = NULL;
unsigned char oldcode[jmp_code_size] = {};
unsigned char newcode[jmp_code_size] = {};
LPVOID func_addr = NULL;
UINT64 lParam = 0;
} m_remote;
unsigned char m_newcode[jmp_code_size] =
"\x48\xb8\x00\x00\x00\x00\x00\x00\x00\x00\x50\x48\xb8\x00\x00\x00\x00\x00\x00\x00\x00\xff\xe0";
unsigned char m_oldcode[jmp_code_size];
LPVOID remote_func_addr = nullptr;
LPVOID remote_para_addr = nullptr;
LPVOID remote_flag_addr = nullptr;
size_t more_data_size = 0;
LPVOID remote_more_data = nullptr;
LPVOID mapped_more_data = nullptr;
bool m_need_write_back = false;
bool m_invasive_injected = false;
size_t minimal_valid_code_bytes = 1024;
FARPROC m_target_func = NULL;
public:
~InjectedCode()
{
Release();
MemRelease();
}
bool Inject(std::vector<unsigned char> code, FARPROC target, FARPROC helper = nullptr)
{
LogTraceFunction;
if (m_good)
{
callbackfi("Ready to hook");
// 自定义函数地址
remote_func_addr =
VirtualAllocEx(m_target_process, NULL, func_size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (remote_func_addr == NULL) {
callbackfe("Failed to virtual allock!");
Release();
return false;
}
// 自定义参数地址
remote_para_addr =
VirtualAllocEx(m_target_process, NULL, sizeof(m_remote), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (remote_para_addr == NULL) {
callbackfe("Failed to virtual allock!");
Release();
return false;
}
callbackfi(std::format("function addr: {} parameter addr : {}", remote_func_addr, remote_para_addr));
SIZE_T wrotten_bytes = 0;
DWORD protection;
m_remote.lpGetCurrentProcess = (LPVOID)GetProcAddress(m_kernel32, "GetCurrentProcess");
m_remote.lpWriteProcessMemory = (LPVOID)GetProcAddress(m_kernel32, "WriteProcessMemory");
m_remote.lpVirtualProtectEx = (LPVOID)GetProcAddress(m_kernel32, "VirtualProtectEx");
m_remote.lpFunction = (LPVOID)target;
m_remote.func_addr = (LPVOID)helper;
*(UINT64*)&(m_newcode[2]) = ((UINT64)remote_para_addr);
*(UINT64*)&(m_newcode[13]) = ((UINT64)remote_func_addr);
memcpy(m_oldcode, m_remote.lpFunction, jmp_code_size);
{
std::ostringstream str_codes;
str_codes << std::hex;
for (auto i : m_oldcode) {
str_codes << "\\x" << (int)i;
}
callbackfi(std::format("Old codes: {}", str_codes.str()));
}
memcpy(m_remote.oldcode, m_oldcode, jmp_code_size);
memcpy(m_remote.newcode, m_newcode, jmp_code_size);
// 写自定义函数
VirtualProtectEx(m_target_process, (LPVOID)remote_func_addr, code.size(), PAGE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)remote_func_addr, (LPCVOID)code.data(), code.size(),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 1! GetLastError() = {}", GetLastError()));
Release();
return false;
}
VirtualProtectEx(m_target_process, (LPVOID)remote_func_addr, code.size(), protection, &protection);
if (more_data_size)
m_remote.lParam = (UINT64)remote_more_data;
// 写自定义参数
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), PAGE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)remote_para_addr, (LPVOID)&m_remote, sizeof(m_remote),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 2! GetLastError() = {}", GetLastError()));
Release();
return false;
}
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), protection, &protection);
// 覆写系统跳转
VirtualProtectEx(m_target_process, (LPVOID)m_remote.lpFunction, jmp_code_size, PAGE_EXECUTE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)m_remote.lpFunction, (LPVOID)m_newcode, jmp_code_size,
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 3! GetLastError() = {}", GetLastError()));
Release();
return false;
}
if (wrotten_bytes != jmp_code_size) {
callbackfe(std::format("Wrong code size! GetLastError() = {}", GetLastError()));
m_need_write_back = true;
Release();
return false;
}
remote_flag_addr = (LPVOID)((UINT64)remote_para_addr + (UINT64)&m_remote.lParam - (UINT64)&m_remote);
m_need_write_back = true;
callbackfi("Hook succeeded.");
return true;
}
return false;
}
bool InvasiveInject(std::vector<unsigned char> code, FARPROC target, FARPROC helper = nullptr)
{
LogTraceFunction;
if (m_good)
{
m_invasive_injected = true;
m_target_func = target;
callbackfi("Ready to hook");
// 自定义函数地址
remote_func_addr =
VirtualAllocEx(m_target_process, NULL, func_size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (remote_func_addr == NULL) {
callbackfe("Failed to virtual allock!");
Release();
return false;
}
// 自定义参数地址
remote_para_addr =
VirtualAllocEx(m_target_process, NULL, sizeof(m_remote), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (remote_para_addr == NULL) {
callbackfe("Failed to virtual allock!");
Release();
return false;
}
callbackfi(std::format("function addr: {} parameter addr : {}, spring addr: {}",
remote_func_addr, remote_para_addr, m_remote.lpFunction));
SIZE_T wrotten_bytes = 0;
DWORD protection;
m_remote.func_addr = (LPVOID)helper;
if (more_data_size)
m_remote.lParam = (UINT64)remote_more_data;
// 写自定义参数
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), PAGE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)remote_para_addr, (LPVOID)&m_remote, sizeof(m_remote),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 2! GetLastError() = {}", GetLastError()));
Release();
return false;
}
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), protection, &protection);
// 转移源指令
minimal_valid_code_bytes = 0x10;
VirtualProtectEx(m_target_process, (LPVOID)target, minimal_valid_code_bytes, PAGE_EXECUTE_READWRITE, &protection);
VirtualProtectEx(m_target_process, (LPVOID)remote_func_addr, func_size, PAGE_READWRITE, &protection);
std::unique_ptr<unsigned char>jmp_opcode_buffer(new unsigned char[minimal_valid_code_bytes]);
if (!ReadProcessMemory(m_target_process, (LPVOID)target, (LPVOID)jmp_opcode_buffer.get(), minimal_valid_code_bytes,
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 2.3! GetLastError() = {}", GetLastError()));
Release();
return false;
}
memcpy(m_oldcode, jmp_opcode_buffer.get(), minimal_valid_code_bytes);
// 写自定义函数
unsigned char lead_in_param_opcode[] = {
0x48, 0xb8, 0x78, 0x56, 0x34, 0x12, 0x78, 0x56,
0x34, 0x12, 0x50,
};
*((UINT64*)(lead_in_param_opcode + 2)) = ((UINT64)remote_para_addr);
code.insert(code.cbegin(), lead_in_param_opcode, lead_in_param_opcode + sizeof(lead_in_param_opcode));
if (!WriteProcessMemory(m_target_process, (LPVOID)remote_func_addr, (LPCVOID)code.data(), code.size(),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 1! GetLastError() = {}", GetLastError()));
Release();
return false;
}
if (!WriteProcessMemory(m_target_process, (LPVOID)((UINT64)remote_func_addr + code.size()),
(LPVOID)jmp_opcode_buffer.get(), minimal_valid_code_bytes, &wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 2.6! GetLastError() = {}", GetLastError()));
Release();
return false;
}
unsigned char jmp_code_back[] = {
0x48, 0x89, 0x44, 0x24, 0xe8, 0x48, 0xb8, 0x34,
0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x48,
0x89, 0x44, 0x24, 0xf0, 0x48, 0x8b, 0x44, 0x24,
0xe8, 0xff, 0x64, 0x24, 0xf0,
};
*((UINT64*)(jmp_code_back + 7)) = (UINT64)target + minimal_valid_code_bytes;
if (!WriteProcessMemory(m_target_process, (LPVOID)((UINT64)remote_func_addr + code.size() + minimal_valid_code_bytes),
(LPVOID)jmp_code_back, sizeof(jmp_code_back), &wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 2.6! GetLastError() = {}", GetLastError()));
Release();
return false;
}
VirtualProtectEx(m_target_process, (LPVOID)remote_func_addr, func_size, PAGE_EXECUTE, &protection);
// 覆写系统跳转
unsigned char jmp_code_out[] = {
0x48, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x10, 0xff, 0xe0
};
*((UINT64*)(jmp_code_out + 2)) = (UINT64)remote_func_addr;
if (!WriteProcessMemory(m_target_process, (LPVOID)target, (LPVOID)jmp_code_out, sizeof(jmp_code_out),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 3! GetLastError() = {}", GetLastError()));
Release();
return false;
}
if (wrotten_bytes != sizeof(jmp_code_out)) {
callbackfe(std::format("Wrong code size! GetLastError() = {}", GetLastError()));
m_need_write_back = true;
Release();
return false;
}
VirtualProtectEx(m_target_process, (LPVOID)target, minimal_valid_code_bytes, PAGE_EXECUTE_READ, &protection);
remote_flag_addr = (LPVOID)((UINT64)remote_para_addr + (UINT64)&m_remote.lParam - (UINT64)&m_remote);
m_need_write_back = true;
callbackfi("Hook succeeded.");
return true;
}
return false;
}
void Release()
{
LogTraceFunction;
if (!m_good && m_need_write_back)
{
std::ostringstream str_codes;
str_codes << std::hex;
for (auto i : m_oldcode) {
str_codes << "\\x" << (int)i;
}
callbackfe(std::format("[[FATAL]] m_target_process=nullptr before write back old codes, "
"write it back manually if needed! old_codes = {}", str_codes.str()));
return;
}
if (m_invasive_injected)
{
SIZE_T wrotten_bytes;
DWORD protection;
VirtualProtectEx(m_target_process, (LPVOID)m_target_func, minimal_valid_code_bytes, PAGE_EXECUTE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)m_target_func, (LPCVOID)m_oldcode,
minimal_valid_code_bytes, &wrotten_bytes)) {
callbackfe(std::format("Cannot write the old codes(Invasive). GetLastError() = {}", GetLastError()));
}
if (wrotten_bytes != minimal_valid_code_bytes) {
callbackfe(std::format("Wrong code size(Invasive)! GetLastError() = {}", GetLastError()));
}
VirtualProtectEx(m_target_process, (LPVOID)m_target_func, jmp_code_size, PAGE_EXECUTE, &protection);
}
else if (m_need_write_back)
{
SIZE_T wrotten_bytes;
DWORD protection;
if (!WriteProcessMemory(m_target_process, (LPVOID)m_remote.lpFunction, (LPCVOID)m_remote.oldcode, jmp_code_size,
&wrotten_bytes)) {
callbackfe(std::format("Cannot write the old codes. GetLastError() = {}", GetLastError()));
}
if (wrotten_bytes != jmp_code_size) {
callbackfe(std::format("Wrong code size! GetLastError() = {}", GetLastError()));
}
VirtualProtectEx(m_target_process, (LPVOID)m_remote.lpFunction, jmp_code_size, PAGE_EXECUTE, &protection);
m_need_write_back = false;
}
if (remote_func_addr) {
VirtualFree(remote_func_addr, 0, MEM_RELEASE);
remote_func_addr = nullptr;
}
if (remote_para_addr) {
VirtualFree(remote_para_addr, 0, MEM_RELEASE);
remote_para_addr = nullptr;
}
MemRelease();
}
template <typename T = UINT64>
T GetLParam() const { return (T)m_remote.lParam; }
// 失败返回UINT64_MAX
template <typename T = UINT64>
T QuerryLParam()
{
// 读自定义参数
SIZE_T read_bytes;
DWORD protection;
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), PAGE_READWRITE, &protection);
if (!ReadProcessMemory(m_target_process, (LPVOID)remote_flag_addr, (LPVOID)&m_remote.lParam, sizeof(UINT64),
&read_bytes)) {
callbackfe(std::format("Failed to read memory, category: 7! GetLastError() = {}", GetLastError()));
Release();
return (T)ULLONG_MAX;
}
if (read_bytes != sizeof(UINT64)) {
callbackfe(std::format("Wrong code size! GetLastError() = {}", GetLastError()));
}
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), protection, &protection);
return GetLParam<T>();
}
// 返回值：是否进行远程写入
bool SetLParam(auto lp, size_t offset = 0)
{
m_remote.lParam = (UINT64)lp + offset;
if (!m_good || !remote_para_addr) return false;
// 重写自定义参数
SIZE_T wrotten_bytes;
DWORD protection;
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), PAGE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)remote_flag_addr, (LPVOID)&m_remote.lParam, sizeof(UINT64),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 4! GetLastError() = {}", GetLastError()));
Release();
m_good = false;
return false;
}
if (wrotten_bytes != sizeof(UINT64)) {
callbackfe(std::format("Wrong code size! GetLastError() = {}", GetLastError()));
}
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), protection, &protection);
return true;
}
bool SetLParamToData(size_t offset = 0)
{
m_remote.lParam = (UINT64)remote_more_data + offset;
// 重写自定义参数
SIZE_T wrotten_bytes;
DWORD protection;
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), PAGE_READWRITE, &protection);
if (!WriteProcessMemory(m_target_process, (LPVOID)remote_flag_addr, (LPVOID)&m_remote.lParam, sizeof(UINT64),
&wrotten_bytes)) {
callbackfe(std::format("Failed to write memory, category: 4! GetLastError() = {}", GetLastError()));
Release();
m_good = false;
return false;
}
if (wrotten_bytes != sizeof(UINT64)) {
callbackfe(std::format("Wrong code size! GetLastError() = {}", GetLastError()));
}
VirtualProtectEx(m_target_process, (LPVOID)remote_para_addr, sizeof(m_remote), protection, &protection);
return true;
}
bool MemMoreAlloc(size_t sz)
{
if (remote_more_data) return false;
remote_more_data =
VirtualAllocEx(m_target_process, NULL, sz, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
if (remote_more_data == NULL) {
callbackfe(std::format("Failed to virtual allock more space! GetLastError() = ",
GetLastError()));
return false;
}
more_data_size = sz;
return true;
}
bool MemRelease()
{
LogTraceFunction;
if (mapped_more_data)
{
delete[] mapped_more_data;
mapped_more_data = nullptr;
}
if (remote_more_data) {
VirtualFree(remote_more_data, 0, MEM_RELEASE);
remote_more_data = nullptr;
}
return true;
}
bool MemMap(LPVOID* field)
{
if (!field) return false;
if (mapped_more_data == nullptr)
mapped_more_data = new unsigned char[more_data_size];
if (!Read(mapped_more_data, more_data_size, 0)) return false;
*field = mapped_more_data;
return (*field != nullptr);
}
bool MemUnmap()
{
bool result = Write(mapped_more_data, more_data_size, 0);
delete[] mapped_more_data;
mapped_more_data = nullptr;
return result;
}
bool Write(LPVOID src, size_t sz = 0, size_t offset = 0)
{
// LogTraceFunction;
if (!remote_more_data)
{
callbackfe("No space allocated before!");
return false;
}
SIZE_T wrotten_bytes = 0;
LPVOID dst = (LPVOID)((UINT64)remote_more_data + offset);
sz = ((sz == 0) ? more_data_size : sz);
if (!WriteProcessMemory(m_target_process, dst, src, sz, &wrotten_bytes))
{
callbackfe(std::format("Error occurred when writing more data, GetLastError() = {}", GetLastError()));
return false;
}
if (wrotten_bytes != sz)
{
callbackfe(std::format("Wrote wrong bytes! GetLastError() = {}", GetLastError()));
return false;
}
return true;
}
bool Read(LPVOID src, size_t sz = 0, size_t offset = 0)
{
// LogTraceFunction;
if (!remote_more_data)
{
callbackfe("No space allocated before!");
return false;
}
SIZE_T read_bytes = 0;
LPVOID dst = (LPVOID)((UINT64)remote_more_data + offset);
sz = ((sz == 0) ? more_data_size : sz);
if (!ReadProcessMemory(m_target_process, dst, src, sz, &read_bytes))
{
callbackfe(std::format("Error occurred when reading more data, GetLastError() = {}", GetLastError()));
return false;
}
if (read_bytes != sz)
{
callbackfe(std::format("Wrote wrong bytes! GetLastError() = {}", GetLastError()));
return false;
}
return true;
}
template <typename T = size_t>
T GetRemoteMemAddr() const { return (T)remote_more_data; }
};
template <typename T = BeltedQueue>
requires std::derived_from<T, BeltedQueue>
class ListQueue
{
private:
struct BindedAddress {
LPVOID base;
BindedAddress(LPVOID _ptr = nullptr) : base(_ptr) {}
operator bool () { return base != nullptr; }
operator T* () { return (T*)(base); }
T& operator[](size_t idx) { return ((T*)base)[idx]; }
BindedAddress& operator= (LPVOID _ptr) { base = _ptr; return *this; };
} m_mapped = nullptr;
size_t m_count = 0;
size_t m_last = 0, m_current = 0, m_buffer_size = 0;
InjectedCode* m_binded = nullptr;
bool m_inited = false;
inline size_t GetNext() {
auto _next = m_current + m_buffer_size;
if (_next > m_count)
callbackfd("Event circle round complete.");
return _next % m_count;
}
inline bool WillExceed() { return GetNext() + 1 == m_last; }
void SyncQueueCompletionState()
{
m_last = std::distance(m_binded->GetRemoteMemAddr<T*>(),
m_binded->QuerryLParam<T*>());
}
public:
ListQueue(InjectedCode* bindCode, size_t count)
: m_binded(bindCode)
{
if (!m_binded->MemMap(&m_mapped.base)) return;
m_count = count;
m_inited = true;
for (size_t i = 0; i < m_count - 1; i++)
m_mapped[i].__pNext = m_binded->GetRemoteMemAddr<T*>() + i + 1;
m_mapped[m_count - 1].__pNext = m_binded->GetRemoteMemAddr<T*>();
m_mapped[0].isEnd = 1;
m_inited &= m_binded->Write(m_mapped.base);
}
inline bool IsReady() { return m_inited; }
bool PushToBuffer(T& item)
{
if (!IsReady()) { callbackfe("Failed to add event, due to NOT INITED!"); return false; }
if (WillExceed()) SyncQueueCompletionState();
if (WillExceed()) { callbackfw("Event NOT added, due to EXCEEDED!"); return false; }
// 不要复制pNext
auto bakup_pNext = m_mapped[GetNext()].__pNext;
m_mapped[GetNext()] = item;
m_mapped[GetNext()].__pNext = bakup_pNext;
m_buffer_size++;
return true;
}
bool CommitBuffer()
{
if (m_buffer_size == 0) { callbackfw("NO buffer to be committed."); return false; }
if (!IsReady()) { callbackfe("Failed to commit event buffer, due to NOT INITED!"); return false; }
m_mapped[m_current].isEnd = 1;
m_mapped[GetNext()].isEnd = 1;
if (!m_binded->Write(m_mapped.base))
{
callbackfe(
std::format("Failed to write buffer, due to function `Write` failed, GetLastError() = {}", GetLastError())
);
return false;
}
// 开关
m_mapped[m_current].isEnd = 0;
m_binded->Write(&m_mapped[m_current].isEnd, 8, m_current * sizeof(T) + 8);
m_current = GetNext();
m_buffer_size = 0;
return true;
}
void Wait()
{
while (m_last != m_current)
{
SyncQueueCompletionState();
std::this_thread::yield();
}
}
};
constexpr DWORD touch_model_down = POINTER_FLAG_NEW | POINTER_FLAG_INRANGE | POINTER_FLAG_INCONTACT |
POINTER_FLAG_FIRSTBUTTON | POINTER_FLAG_PRIMARY | POINTER_FLAG_CONFIDENCE | POINTER_FLAG_DOWN;
constexpr DWORD touch_model_update = POINTER_FLAG_INRANGE | POINTER_FLAG_INCONTACT |
POINTER_FLAG_FIRSTBUTTON | POINTER_FLAG_PRIMARY | POINTER_FLAG_CONFIDENCE | POINTER_FLAG_DOWN | POINTER_FLAG_UPDATE;
constexpr DWORD touch_model_up = POINTER_FLAG_INRANGE | POINTER_FLAG_PRIMARY |
POINTER_FLAG_CONFIDENCE | POINTER_FLAG_UP;
class AllPointsController
{
private:
std::vector<std::unique_ptr<ListQueue<PointsQueue>>> m_mem_resolvers;
std::map<UINT16, POINTER_MYTOUCH_INFO> m_infos;
bool SaveBuf()
{
PointsQueue to_push;
to_push.count = m_infos.size();
UINT64 idx = 0;
for (auto& i : m_infos)
{
to_push.points[idx] = i.first;
to_push.info[idx] = i.second;
idx++;
}
for (auto& i : m_mem_resolvers)
if (!i->PushToBuffer(to_push))
return false;
return true;
}
public:
void Wait()
{
for (auto& i : m_mem_resolvers)
i->Wait();
}
bool BindOne(InjectedCode* pIC)
{
if (pIC == nullptr) return false;
if (pIC->GetRemoteMemAddr<LPVOID>() != nullptr)
{
callbackfe("Failed to bind a InjectedCode due to pre allocated memory!");
return false;
}
pIC->MemMoreAlloc(sizeof(PointsQueue) * msg_queue_max_length);
std::unique_ptr<ListQueue<PointsQueue>> mem_resolver =
std::make_unique<ListQueue<PointsQueue>>(pIC, msg_queue_max_length);
m_mem_resolvers.emplace_back(std::move(mem_resolver));
return true;
}
bool ActionAddPoint(TouchedPoint pt, int x, int y)
{
if (m_infos.find(pt.id) != m_infos.cend()) return false;
m_infos[pt.id] = POINTER_MYTOUCH_INFO{
.pointerInfo = {
.pointerType = PT_MYTOUCH,
.pointerId = pt.id,
.frameId = (UINT32)rand(),
.pointerFlags = pt.flags,
.sourceDevice = (HANDLE)374333428079975,
.hwndTarget = pt.dst,
.ptPixelLocation = { x, y },
.ptHimetricLocation = { long(x * 2.03), long(y * 3.4) },
.ptPixelLocationRaw = { x, y },
.ptHimetricLocationRaw = { long(x * 2.03), long(y * 3.4) },
.dwTime = GetTickCount(),
.historyCount = 1,
.InputData = 0,
.dwKeyStates = 0,
.PerformanceCount = GetTickCount64(),
.ButtonChangeType = POINTER_CHANGE_FIRSTBUTTON_DOWN
}
};
return SaveBuf();
}
bool ActionUpdate(UINT16 id, int x, int y)
{
if (m_infos.find(id) == m_infos.cend()) return false;
m_infos[id].pointerInfo.pointerFlags = touch_model_update;
m_infos[id].pointerInfo.dwTime = GetTickCount();
m_infos[id].pointerInfo.PerformanceCount = GetTickCount64();
m_infos[id].pointerInfo.ButtonChangeType = POINTER_CHANGE_NONE;
m_infos[id].pointerInfo.frameId++;
return SaveBuf();
}
bool ActionDeletePoint(UINT16 id, int x, int y)
{
if (m_infos.find(id) == m_infos.cend()) return false;
m_infos[id].pointerInfo.pointerFlags = touch_model_up;
m_infos[id].pointerInfo.dwTime = GetTickCount();
m_infos[id].pointerInfo.PerformanceCount = GetTickCount64();
m_infos[id].pointerInfo.ButtonChangeType = POINTER_CHANGE_FIRSTBUTTON_UP;
m_infos[id].pointerInfo.frameId++;
bool result = SaveBuf();
m_infos.erase(id);
return result;
}
bool CommitActions()
{
for (auto& i : m_mem_resolvers)
if (!i->CommitBuffer())
return false;
return true;
}
};
std::map<TouchedPointID, TouchedPoint> allPoints;
static size_t touchIDPool = 0;
static WORD pointerIDPool = 0xff;
inline TouchedPointID MakeTouchedPointerID() { return touchIDPool++; }
inline WORD MakeWinPointerID() { return pointerIDPool++; }
std::unique_ptr<InjectedCode> mouseInject;
std::unique_ptr<InjectedCode> touchInject;
std::unique_ptr<ListQueue<MsgQueue>> touchMsgs;
std::unique_ptr<InjectedCode> fn_GetPointerType;
std::unique_ptr<InjectedCode> fn_GetPointerTouchInfo;
//std::unique_ptr<InjectedCode> fn_;
std::unique_ptr<AllPointsController> pointsPool;
bool Attach(DWORD pid)
{
LogTraceFunction;
if (m_good) return true;
{
HANDLE token;
LUID se_debugname;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token)) {
return false;
}
if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &se_debugname)) {
CloseHandle(token);
return false;
}
TOKEN_PRIVILEGES tkp;
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Luid = se_debugname;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; // 特权启用
if (!AdjustTokenPrivileges(token, FALSE, &tkp, sizeof(tkp), NULL, NULL)) // 启用指定访问令牌的特权
{
CloseHandle(token);
return false;
}
}
m_target_process = OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_WRITE | PROCESS_VM_READ, FALSE, pid);
if (m_target_process == NULL) {
callbackfe(std::format("OpenProcess Error! GetLastError() = {}", GetLastError()));
return false;
}
m_kernel32 = LoadLibrary(TEXT("kernel32.dll"));
if (m_kernel32 == 0) {
callbackfe("Failed to load kernel32.dll");
Release();
return false;
}
m_user32 = LoadLibrary(TEXT("user32.dll"));
if (m_user32 == 0) {
callbackfe("Failed to load user32.dll");
Release();
return false;
}
m_good = true;
mouseInject = std::make_unique<InjectedCode>();
if (!mouseInject->Inject(GetCode_GetKeyState_x64(), GetProcAddress(m_user32, "GetKeyState")))
{
callbackfe("Failed to inject code of `GetKeyState()`!");
Release();
return false;
}
touchInject = std::make_unique<InjectedCode>();
if (!touchInject->MemMoreAlloc(msg_queue_max_length * sizeof(MsgQueue)))
{
callbackfe("Failed to alloc more memory for WinMsgQueue");
}
touchMsgs = std::make_unique<ListQueue<MsgQueue>>(touchInject.get(), msg_queue_max_length);
if (!touchMsgs->IsReady())
{
callbackfe("touchMsgs initialization failed!!!");
Release();
return false;
}
if (!touchInject->InvasiveInject(GetCode_GetMessageW_Invasive_x64(),
GetProcAddress(m_user32, "GetMessageW"),
GetProcAddress(m_user32, "SendMessageW")))
{
callbackfe("Failed to inject code of `GetMessageW()`!");
Release();
return false;
}
pointsPool = std::make_unique<AllPointsController>();
fn_GetPointerType = std::make_unique<InjectedCode>();
fn_GetPointerTouchInfo = std::make_unique<InjectedCode>();
if (!pointsPool->BindOne(fn_GetPointerType.get()))
{
callbackfe("Failed to bind a injected code with a message pool!");
Release();
return false;
}
//if (!pointsPool->BindOne(fn_GetPointerTouchInfo.get()))
//{
// callbackfe("Failed to bind a injected code with a message pool!");
// Release();
// return false;
//}
if (!fn_GetPointerType->Inject(GetCode_GetPointerType_1_x64(PT_MYTOUCH), GetProcAddress(m_user32, "GetPointerType")))
{
callbackfe("Failed to inject code of `GetPointerType()`!");
Release();
return false;
}
//if (!fn_GetPointerTouchInfo->Inject(GetCode_GetPointerTouchInfo_x64(sizeof(POINTER_MYTOUCH_INFO) / sizeof(UINT64)),
// GetProcAddress(m_user32, GetPointerXXInfo)))
if (!fn_GetPointerTouchInfo->Inject(GetCode_GetPointerTouchInfo_aaa_x64(),
GetProcAddress(m_user32, GetPointerXXInfo)))
{
callbackfe("Failed to inject code of `GetPointerXXXInfo()`!");
Release();
return false;
}
return true;
}
void Release()
{
LogTraceFunction;
pointsPool.reset();
touchMsgs.reset();
touchInject.reset();
fn_GetPointerType.reset();
fn_GetPointerTouchInfo.reset();
mouseInject.reset();
if (m_target_process) {
CloseHandle(m_target_process);
m_target_process = NULL;
}
if (m_kernel32) {
FreeLibrary(m_kernel32);
m_kernel32 = NULL;
}
if (m_user32) {
FreeLibrary(m_user32);
m_user32 = NULL;
}
m_good = false;
}
std::optional<TouchedPointID> Down(HWND dst, int x, int y, bool closed)
{
LogTraceFunction;
if (allPoints.size() == max_touch_point_count)
{
callbackfe("Cannot append touch point. MAX_COUNT!");
return std::nullopt;
}
TouchedPoint pt{
.dst = dst,
.id = MakeWinPointerID(),
.flags = touch_model_down
};
if (!pointsPool->ActionAddPoint(pt, x, y))
{
callbackfe("Cannot add a point to points pool!");
return std::nullopt;
}
MsgQueue ptmsg;
ptmsg.msg = MSG{
.hwnd = pt.dst,
.message = WM_POINTERDOWN,
.wParam = pt.to_wparam(),
.lParam = MAKELPARAM(x, y),
.time = GetTickCount(),
.pt = { x, y }
};
if (!touchMsgs->PushToBuffer(ptmsg))
{
callbackfe("Cannot push message queue buffer.");
return std::nullopt;
}
if (closed && (!pointsPool->CommitActions() || !touchMsgs->CommitBuffer()))
{
callbackfe("Failed to commit buffer.");
return std::nullopt;
}
TouchedPointID result = MakeTouchedPointerID();
allPoints[result] = pt;
return result;
}
bool Update(TouchedPointID p, int x, int y, bool closed)
{
LogTraceFunction;
if (allPoints.find(p) == allPoints.cend()) {
callbackfe("No such point !!!!");
return false;
}
TouchedPoint& pt = allPoints[p];
pt.flags = touch_model_update;
if (!pointsPool->ActionUpdate(pt.id, x, y))
{
callbackfe("Cannot add an `update` message to points pool!");
return false;
}
MsgQueue ptmsg;
ptmsg.msg = MSG{
.hwnd = pt.dst,
.message = WM_POINTERUPDATE,
.wParam = pt.to_wparam(),
.lParam = MAKELPARAM(x, y),
.time = GetTickCount(),
.pt = { x, y }
};
if (!touchMsgs->PushToBuffer(ptmsg))
{
callbackfe("Cannot push message queue buffer.");
return false;
}
if (closed && (!pointsPool->CommitActions() || !touchMsgs->CommitBuffer()))
{
callbackfe("Failed to commit buffer.");
return false;
}
return true;
}
bool Up(TouchedPointID p, int x, int y, bool closed)
{
LogTraceFunction;
if (allPoints.find(p) == allPoints.cend()) {
callbackfe("No such point !!!!");
return false;
}
TouchedPoint pt = allPoints[p];
pt.flags = touch_model_up;
if (!pointsPool->ActionDeletePoint(pt.id, x, y))
{
callbackfe("Cannot add a `deleted` message to points pool");
return false;
}
allPoints.erase(p);
MsgQueue ptmsg;
ptmsg.msg = MSG{
.hwnd = pt.dst,
.message = WM_POINTERUP,
.wParam = pt.to_wparam(),
.lParam = MAKELPARAM(x, y),
.time = GetTickCount(),
.pt = { x, y }
};
if (!touchMsgs->PushToBuffer(ptmsg))