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// hookman.cc
// 8/24/2013 jichi
// Branch IHF/HookManager.cpp, rev 133
// 8/24/2013 TODO: Clean up this file
#ifdef _MSC_VER
# pragma warning (disable:4100) // C4100: unreference formal parameter
# pragma warning (disable:4146) // C4146: unary minus operator applied to unsigned type
#endif // _MSC_VER
#include "hookman.h"
#include "vnrhook/include/const.h"
#include "vnrhook/include/defs.h"
#include "vnrhook/include/types.h"
#include "ithsys/ithsys.h"
#include <stdio.h>
//#include <emmintrin.h>
#include "profile/Profile.h"
#include "profile/pugixml.hpp"
#include "profile/misc.h"
#define DEBUG "vnrhost/hookman.cc"
#include "sakurakit/skdebug.h"
namespace { // unnamed
//enum { MAX_ENTRY = 0x40 };
#define HM_LOCK win_mutex_lock<HookManager::mutex_type> d_locker(hmcs) // Synchronized scope for accessing private data
} // unnamed namespace
HookManager *man; // jichi 9/22/2013: initialized in main
//BitMap* pid_map;
DWORD clipboard_flag,
split_time,
repeat_count,
global_filter,
cyclic_remove;
DWORD GetHookName(LPSTR str, DWORD pid, DWORD hook_addr, DWORD max)
{
if (!pid)
return 0;
DWORD len = 0;
max--; //for '\0' magic marker.
//if (pid == 0) {
// len = wcslen(HookNameInitTable[0]);
// if (len >= max)
// len = max;
// memcpy(str, HookNameInitTable[0], len << 1);
// str[len] = 0;
// return len;
//}
//::man->LockProcessHookman(pid);
ProcessRecord *pr = ::man->GetProcessRecord(pid);
if (!pr)
return 0;
NtWaitForSingleObject(pr->hookman_mutex, 0, 0);
const Hook *hks = (const Hook *)pr->hookman_map;
for (int i = 0; i < MAX_HOOK; i++)
if (hks[i].Address() == hook_addr) {
len = hks[i].NameLength();
if (len >= max)
len = max;
NtReadVirtualMemory(pr->process_handle, hks[i].Name(), str, len, &len);
if (str[len - 1] == 0)
len--;
else
str[len] = 0;
break;
}
NtReleaseMutant(pr->hookman_mutex, 0);
//::man->UnlockProcessHookman(pid);
return len;
}
void ThreadTable::SetThread(DWORD num, TextThread *ptr)
{
int number = num;
if (number >= size) {
while (number >= size)
size <<= 1;
TextThread **temp;
//if (size < 0x10000) {
temp = new TextThread*[size];
if (size > used)
::memset(temp, 0, (size - used) * sizeof(TextThread *)); // jichi 9/21/2013: zero memory
memcpy(temp, storage, used * sizeof(TextThread *));
//}
delete[] storage;
storage = temp;
}
storage[number] = ptr;
if (ptr == nullptr) {
if (number == used - 1)
while (storage[used - 1] == 0)
used--;
} else if (number >= used)
used = number + 1;
}
TextThread *ThreadTable::FindThread(DWORD number)
{ return number <= (DWORD)used ? storage[number] : nullptr; }
static const char sse_table_eq[0x100]={
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,1,1, -1,-1,1,1, -1,-1,1,1, -1,-1,1,1, //1, compare 2
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,-1,-1, 1,1,1,1, -1,-1,-1,-1, 1,1,1,1, //3, compare 3
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,1,1, -1,-1,1,1, -1,-1,1,1, -1,-1,1,1, //1, compare 2
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,-1,-1, -1,-1,-1,-1, 1,1,1,1, 1,1,1,1, //7, compare 4
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,1,1, -1,-1,1,1, -1,-1,1,1, -1,-1,1,1, //1, compare 2
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,-1,-1, 1,1,1,1, -1,-1,-1,-1, 1,1,1,1, //3, compare 3
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
-1,-1,1,1, -1,-1,1,1, -1,-1,1,1, -1,-1,1,1, //1, compare 2
-1,1,-1,1, -1,1,-1,1, -1,1,-1,1, -1,1,-1,1, //0, compare 1
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0 //f, equal
};
2018-05-20 16:10:07 -04:00
char TCmp::operator()(const ThreadParameter* t1, const ThreadParameter* t2)
//SSE speed up. Compare four integers in const time without branching.
//The AVL tree branching operation needs 2 bit of information.
//One bit for equality and one bit for "less than" or "greater than".
{
union{__m128 m0;__m128i i0;};
union{__m128 m1;__m128i i1;};
union{__m128 m2;__m128i i2;};
int k0,k1;
i1 = _mm_loadu_si128((const __m128i*)t1);
i2 = _mm_loadu_si128((const __m128i*)t2);
i0 = _mm_cmpgt_epi32(i1,i2);
k0 = _mm_movemask_ps(m0);
i1 = _mm_cmpeq_epi32(i1,i2);
k1 = _mm_movemask_ps(m1);
return sse_table_eq[k1*16+k0];
}
void TCpy::operator()(ThreadParameter* t1, const ThreadParameter* t2)
{ memcpy(t1,t2,sizeof(ThreadParameter)); }
int TLen::operator()(const ThreadParameter* t) { return 0; }
// Artikash 5/31/2018: required for unordered_map to work with struct key
bool operator==(const ThreadParameter& one, const ThreadParameter& two)
{
return one.pid == two.pid && one.hook == two.hook && one.retn == two.retn && one.spl == two.spl;
}
#define NAMED_PIPE_DISCONNECT 1
//Class member of HookManger
HookManager::HookManager() :
// jichi 9/21/2013: Zero memory
//CRITICAL_SECTION hmcs;
current(nullptr)
, create(nullptr)
, remove(nullptr)
, reset(nullptr)
, attach(nullptr)
, detach(nullptr)
, hook(nullptr)
, current_pid(0)
, thread_table(nullptr)
, destroy_event(nullptr)
, register_count(0)
, new_thread_number(0)
, threadTable()
, processRecordsByIds()
{
TextThread* consoleTextThread = threadTable[{0, -1UL, -1UL, -1UL}] = new TextThread(0, -1, -1, -1, threadTable.size());
consoleTextThread->Status() |= USING_UNICODE;
SetCurrent(consoleTextThread);
}
HookManager::~HookManager()
{
// Artikash 5/31/2018: This is called when the program terminates, so Windows should automatically free all these resources.....right?
//LARGE_INTEGER timeout={-1000*1000,-1};
//IthBreak();
//NtWaitForSingleObject(destroy_event, 0, 0);
//NtClose(destroy_event);
//NtClose(cmd_pipes[0]);
//NtClose(recv_threads[0]);
//delete thread_table;
//delete head.key;
//DeleteCriticalSection(&hmcs);
}
TextThread *HookManager::FindSingle(DWORD number)
{
for (auto i : threadTable)
{
if (i.second->Number() == number)
{
return i.second;
}
}
return nullptr;
}
void HookManager::SetCurrent(TextThread *it)
{
if (current)
current->Status() &= ~CURRENT_SELECT;
current = it;
if (it)
it->Status() |= CURRENT_SELECT;
}
void HookManager::SelectCurrent(DWORD num)
{
if (TextThread *st = FindSingle(num)) {
SetCurrent(st);
if (reset)
reset(st);
//st->ResetEditText();
}
}
void HookManager::RemoveSingleHook(DWORD pid, DWORD addr)
{
HM_LOCK;
for (auto i : threadTable)
{
if (i.second->PID() == pid && i.second->Addr() == addr)
{
if (remove)
{
remove(i.second);
}
delete i.second;
threadTable[i.first] = nullptr;
}
}
SetCurrent(0);
}
void HookManager::RemoveSingleThread(DWORD number)
{
if (number == 0)
return;
HM_LOCK;
for (auto i : threadTable)
{
if (i.second->Number() == number)
{
if (remove)
{
remove(i.second);
}
delete i.second;
threadTable[i.first] = nullptr;
}
}
SetCurrent(0);
}
void HookManager::RemoveProcessContext(DWORD pid)
{
HM_LOCK;
for (auto i : threadTable)
{
if (i.second->PID() == pid)
{
if (remove)
{
remove(i.second);
}
delete i.second;
threadTable[i.first] = nullptr;
}
}
SetCurrent(0);
}
void HookManager::RegisterThread(TextThread* it, DWORD num)
{ thread_table->SetThread(num, it); }
void HookManager::RegisterProcess(DWORD pid, HANDLE hostPipe)
{
HM_LOCK;
wchar_t str[0x40],
path[MAX_PATH];
ProcessRecord* record = processRecordsByIds[pid] = new ProcessRecord;
record->hostPipe = hostPipe;
record->hookman_section = OpenFileMappingW(FILE_MAP_READ, FALSE, (std::wstring(ITH_SECTION_) + std::to_wstring(pid)).c_str());
record->hookman_map = MapViewOfFile(record->hookman_section, FILE_MAP_READ, 0, 0, HOOK_SECTION_SIZE / 2); // jichi 1/16/2015: Changed to half to hook section size
record->process_handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid);
record->hookman_mutex = OpenMutexW(MUTEX_ALL_ACCESS, FALSE, (std::wstring(ITH_HOOKMAN_MUTEX_) + std::to_wstring(pid)).c_str());
//if (NT_SUCCESS(NtOpenProcess(&hProc,
// PROCESS_QUERY_INFORMATION|
// PROCESS_CREATE_THREAD|
// PROCESS_VM_READ|
// PROCESS_VM_WRITE|
// PROCESS_VM_OPERATION,
// &oa,&id)))
if (attach)
attach(pid);
}
void HookManager::UnRegisterProcess(DWORD pid)
{
//HM_LOCK;
////ConsoleOutput("vnrhost:UnRegisterProcess: lock");
////EnterCriticalSection(&hmcs);
//int i;
//for (i = 0; i < MAX_REGISTER; i++)
// if(record[i].pid_register == pid)
// break;
//if (i < MAX_REGISTER) {
// NtClose(text_pipes[i]);
// NtClose(cmd_pipes[i]);
// NtClose(recv_threads[i]);
CloseHandle(processRecordsByIds[pid]->hookman_mutex);
// //if (::ith_has_section)
// NtUnmapViewOfSection(NtCurrentProcess(), record[i].hookman_map);
// //else
// // delete[] record[i].hookman_map;
// NtClose(record[i].process_handle);
// NtClose(record[i].hookman_section);
// for (; i < MAX_REGISTER; i++) {
// record[i] = record[i+1];
// text_pipes[i] = text_pipes[i+1];
// cmd_pipes[i] = cmd_pipes[i+1];
// recv_threads[i] = recv_threads[i+1];
// if (text_pipes[i] == 0)
// break;
// }
// register_count--;
// if (current_pid == pid)
// current_pid = register_count ? record[0].pid_register : 0;
RemoveProcessContext(pid);
//}
////pid_map->Clear(pid>>2);
//if (register_count == 1)
// NtSetEvent(destroy_event, 0);
//LeaveCriticalSection(&hmcs);
//ConsoleOutput("vnrhost:UnRegisterProcess: unlock");
if (detach)
detach(pid);
}
// jichi 9/28/2013: I do not need this
//void HookManager::SetName(DWORD type)
//{
// WCHAR c;
// if (type & PRINT_DWORD)
// c = L'H';
// else if (type & USING_UNICODE) {
// if (type & STRING_LAST_CHAR)
// c = L'L';
// else if (type & USING_STRING)
// c = L'Q';
// else
// c = L'W';
// } else {
// if (type & USING_STRING)
// c = L'S';
// else if (type & BIG_ENDIAN)
// c = L'A';
// else
// c = L'B';
// }
// //swprintf(user_entry,L"UserHook%c",c);
//}
void HookManager::DispatchText(DWORD pid, const BYTE *text, DWORD hook, DWORD retn, DWORD spl, int len, bool space)
{
// jichi 20/27/2013: When PID is zero, the text comes from console, which I don't need
if (!text || !pid || (len <= 0 && !space))
return;
HM_LOCK;
//bool flag=false;
ThreadParameter tp = {pid, hook, retn, spl};
//ConsoleOutput("vnrhost:DispatchText: lock");
//EnterCriticalSection(&hmcs);
TextThread *it;
if (!(it = threadTable[tp]))
{
it = threadTable[tp] = new TextThread(pid, hook, retn, spl, threadTable.size());
if (create)
{
create(it);
}
}
it->AddText(text, len, false, space);
}
void HookManager::AddConsoleOutput(LPCWSTR text)
{
if (text)
{
int len = wcslen(text) * 2;
TextThread *console = threadTable[{0, -1UL, -1UL, -1UL}];
//EnterCriticalSection(&hmcs);
console->AddText((BYTE*)text,len,false,true);
console->AddText((BYTE*)L"\r\n",4,false,true);
//LeaveCriticalSection(&hmcs);
}
}
void HookManager::ClearCurrent()
{
HM_LOCK;
//ConsoleOutput("vnrhost:ClearCurrent: lock");
//EnterCriticalSection(&hmcs);
if (current) {
current->Reset();
if (reset)
reset(current);
}
//current->ResetEditText();
//LeaveCriticalSection(&hmcs);
//ConsoleOutput("vnrhost:ClearCurrent: unlock");
}
void HookManager::ResetRepeatStatus()
{
HM_LOCK;
//ConsoleOutput("vnrhost:ResetRepeatStatus: lock");
//EnterCriticalSection(&hmcs);
for (auto i : threadTable)
{
i.second->ResetRepeatStatus();
}
//LeaveCriticalSection(&hmcs);
//ConsoleOutput("vnrhost:ResetRepeatStatus: unlock");
}
//void HookManager::LockHookman(){ EnterCriticalSection(&hmcs); }
//void HookManager::UnlockHookman(){ LeaveCriticalSection(&hmcs); }
/*void HookManager::SetProcessEngineType(DWORD pid, DWORD type)
{
int i;
for (i=0;i<MAX_REGISTER;i++)
if (record[i].pid_register==pid) break;
if (i<MAX_REGISTER)
{
record[i].engine_register|=type;
}
}*/
ProcessRecord *HookManager::GetProcessRecord(DWORD pid)
{
HM_LOCK;
//EnterCriticalSection(&hmcs);
return processRecordsByIds[pid];
//ProcessRecord *pr = i < MAX_REGISTER ? record + i : nullptr;
//LeaveCriticalSection(&hmcs);
//return pr;
}
HANDLE HookManager::GetHostPipeByPID(DWORD pid)
{
HM_LOCK;
//EnterCriticalSection(&hmcs);
return processRecordsByIds[pid] ? processRecordsByIds[pid]->hostPipe : nullptr;
//HANDLE h = i < MAX_REGISTER ? cmd_pipes[i] : 0;
//LeaveCriticalSection(&hmcs);
//return h;
}
MK_BASIC_TYPE(DWORD)
MK_BASIC_TYPE(LPVOID)
//DWORD Hash(LPCWSTR module, int length)
//{
// bool flag = (length==-1);
// DWORD hash = 0;
// for (;*module && (flag || length--); module++)
// hash = ((hash>>7)|(hash<<25)) + *module;
// return hash;
//}
//void AddLink(WORD from, WORD to) { ::man->AddLink(from, to); }
// jichi 9/27/2013: Unparse to hook parameters /H code
void GetCode(const HookParam &hp, LPWSTR buffer, DWORD pid)
{
WCHAR c;
LPWSTR ptr = buffer;
// jichi 12/7/2014: disabled
//if (hp.type&PRINT_DWORD)
// c = L'H';
if (hp.type&USING_UNICODE) {
if (hp.type&USING_STRING)
c = L'Q';
else if (hp.type&STRING_LAST_CHAR)
c = L'L';
else
c = L'W';
} else {
if (hp.type&USING_STRING)
c = L'S';
else if (hp.type&BIG_ENDIAN)
c = L'A';
else if (hp.type&STRING_LAST_CHAR)
c = L'E';
else
c = L'B';
}
ptr += swprintf(ptr, L"/H%c",c);
if (hp.type & NO_CONTEXT)
*ptr++ = L'N';
if (hp.offset>>31)
ptr += swprintf(ptr, L"-%X",-(hp.offset+4));
else
ptr += swprintf(ptr, L"%X",hp.offset);
if (hp.type & DATA_INDIRECT) {
if (hp.index>>31)
ptr += swprintf(ptr, L"*-%X",-hp.index);
else
ptr += swprintf(ptr,L"*%X",hp.index);
}
if (hp.type & USING_SPLIT) {
if (hp.split >> 31)
ptr += swprintf(ptr, L":-%X", -(4 + hp.split));
else
ptr += swprintf(ptr, L":%X", hp.split);
}
if (hp.type & SPLIT_INDIRECT) {
if (hp.split_index >> 31)
ptr += swprintf(ptr, L"*-%X", -hp.split_index);
else
ptr += swprintf(ptr, L"*%X", hp.split_index);
}
if (hp.module) {
if (pid) {
WCHAR path[MAX_PATH];
MEMORY_BASIC_INFORMATION info;
ProcessRecord* pr = ::man->GetProcessRecord(pid);
if (pr) {
HANDLE hProc = pr->process_handle;
if (NT_SUCCESS(NtQueryVirtualMemory(hProc,(PVOID)hp.address, MemorySectionName, path, MAX_PATH*2, 0)) &&
NT_SUCCESS(NtQueryVirtualMemory(hProc,(PVOID)hp.address, MemoryBasicInformation, &info, sizeof(info), 0)))
ptr += swprintf(ptr, L"@%X:%s", hp.address - (DWORD)info. AllocationBase, wcsrchr(path,L'\\') + 1);
}
} else {
ptr += swprintf(ptr, L"@%X!%X", hp.address, hp.module);
if (hp.function)
ptr += swprintf(ptr, L"!%X", hp.function);
}
}
else
ptr += swprintf(ptr, L"@%X", hp.address);
}
// jichi 1/16/2015
bool HookManager::IsFull() const { return new_thread_number >= MAX_HOOK; }
void AddHooksToProfile(Profile& pf, const ProcessRecord& pr);
DWORD AddThreadToProfile(Profile& pf, const ProcessRecord& pr, TextThread* thread);
void MakeHookRelative(const ProcessRecord& pr, HookParam& hp);
void HookManager::GetProfile(DWORD pid, pugi::xml_node profile_node)
{
const ProcessRecord* pr = GetProcessRecord(pid);
if (pr == NULL)
return;
Profile pf(L"serialize");
AddHooksToProfile(pf, *pr);
AddThreadsToProfile(pf, *pr, pid);
pf.XmlWriteProfile(profile_node);
}
void AddHooksToProfile(Profile& pf, const ProcessRecord& pr)
{
WaitForSingleObject(pr.hookman_mutex, 0);
auto hooks = (const Hook*)pr.hookman_map;
for (DWORD i = 0; i < MAX_HOOK; ++i)
{
if (hooks[i].Address() == 0)
continue;
auto& hook = hooks[i];
DWORD type = hook.Type();
if ((type & HOOK_ADDITIONAL) && (type & HOOK_ENGINE) == 0)
{
std::unique_ptr<CHAR[]> name(new CHAR[hook.NameLength()]);
if (ReadProcessMemory(pr.process_handle, hook.Name(), name.get(), hook.NameLength(), NULL))
{
if (hook.hp.module)
{
HookParam hp = hook.hp;
MakeHookRelative(pr, hp);
pf.AddHook(hook_ptr(new HookProfile(hp, toUnicodeString(name.get()))));
}
else
pf.AddHook(hook_ptr(new HookProfile(hook.hp, toUnicodeString(name.get()))));
}
}
}
ReleaseMutex(pr.hookman_mutex);
}
void MakeHookRelative(const ProcessRecord& pr, HookParam& hp)
{
MEMORY_BASIC_INFORMATION info;
VirtualQueryEx(pr.process_handle, (LPCVOID)hp.address, &info, sizeof(info));
hp.address -= (DWORD)info.AllocationBase;
hp.function = 0;
}
void HookManager::AddThreadsToProfile(Profile& pf, const ProcessRecord& pr, DWORD pid)
{
HM_LOCK;
for (int i = 0; i < thread_table->Used(); ++i)
{
TextThread* tt = thread_table->FindThread(i);
if (tt == NULL || tt->GetThreadParameter()->pid != pid)
continue;
//if (tt->Status() & CURRENT_SELECT || tt->Link() || tt->GetComment())
if (tt->Status() & CURRENT_SELECT)
AddThreadToProfile(pf, pr, tt);
}
}
DWORD AddThreadToProfile(Profile& pf, const ProcessRecord& pr, TextThread* thread)
{
const ThreadParameter* tp = thread->GetThreadParameter();
std::wstring hook_name = GetHookNameByAddress(pr, tp->hook);
if (hook_name.empty())
return -1;
auto thread_profile = new ThreadProfile(hook_name, tp->retn, tp->spl, 0, 0,
THREAD_MASK_RETN | THREAD_MASK_SPLIT, L"");
DWORD threads_size = pf.Threads().size();
int thread_profile_index = pf.AddThread(thread_ptr(thread_profile));
if (thread_profile_index == threads_size) // new thread
{
WORD iw = thread_profile_index & 0xFFFF;
if (thread->Status() & CURRENT_SELECT)
pf.SelectedIndex() = iw;
}
return thread_profile_index; // in case more than one thread links to the same thread
}
// EOF