294 lines
7.2 KiB
C++
294 lines
7.2 KiB
C++
// hookman.cc
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// 8/24/2013 jichi
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// Branch IHF/HookManager.cpp, rev 133
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// 8/24/2013 TODO: Clean up this file
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#ifdef _MSC_VER
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# pragma warning (disable:4100) // C4100: unreference formal parameter
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# pragma warning (disable:4146) // C4146: unary minus operator applied to unsigned type
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#endif // _MSC_VER
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#include "hookman.h"
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#include "vnrhook/include/const.h"
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#include "vnrhook/include/defs.h"
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#include "vnrhook/include/types.h"
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#include <stdio.h>
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//#include <emmintrin.h>
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#include "profile/Profile.h"
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#include "profile/pugixml.h"
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#include "profile/misc.h"
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#define HM_LOCK CriticalSectionLocker locker(hmcs) // Synchronized scope for accessing private data
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HookManager::HookManager() :
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current(nullptr),
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create(nullptr),
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remove(nullptr),
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reset(nullptr),
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attach(nullptr),
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detach(nullptr),
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new_thread_number(0),
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textThreadsByParams(),
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processRecordsByIds()
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{
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TextThread* consoleTextThread = textThreadsByParams[{ 0, -1UL, -1UL, -1UL }] = new TextThread({ 0, -1UL, -1UL, -1UL }, new_thread_number++, splitDelay);
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consoleTextThread->Status() |= USING_UNICODE;
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SetCurrent(consoleTextThread);
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InitializeCriticalSection(&hmcs);
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}
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HookManager::~HookManager()
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{
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DeleteCriticalSection(&hmcs);
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}
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TextThread *HookManager::FindSingle(DWORD number)
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{
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for (auto i : textThreadsByParams)
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{
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if (i.second->Number() == number)
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{
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return i.second;
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}
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}
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return nullptr;
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}
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void HookManager::SetCurrent(TextThread *it)
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{
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if (current)
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current->Status() &= ~CURRENT_SELECT;
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current = it;
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if (it)
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it->Status() |= CURRENT_SELECT;
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}
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void HookManager::SelectCurrent(DWORD num)
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{
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if (TextThread *st = FindSingle(num)) {
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SetCurrent(st);
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if (reset)
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reset(st);
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//st->ResetEditText();
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}
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}
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void HookManager::RemoveSingleHook(DWORD pid, DWORD addr)
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{
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HM_LOCK;
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std::vector<ThreadParameter> removedThreads;
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for (auto i : textThreadsByParams)
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{
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if (i.first.pid == pid && i.first.hook == addr)
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{
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if (remove)
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{
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remove(i.second);
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}
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delete i.second;
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removedThreads.push_back(i.first);
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}
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}
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for (auto i : removedThreads)
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{
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textThreadsByParams.erase(i);
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}
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SelectCurrent(0);
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}
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void HookManager::RemoveProcessContext(DWORD pid)
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{
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HM_LOCK;
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std::vector<ThreadParameter> removedThreads;
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for (auto i : textThreadsByParams)
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{
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if (i.first.hook == pid)
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{
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if (remove)
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{
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remove(i.second);
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}
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delete i.second;
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removedThreads.push_back(i.first);
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}
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}
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for (auto i : removedThreads)
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{
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textThreadsByParams.erase(i);
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}
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SelectCurrent(0);
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}
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void HookManager::RegisterProcess(DWORD pid, HANDLE hostPipe)
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{
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HM_LOCK;
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ProcessRecord* record = processRecordsByIds[pid] = new ProcessRecord;
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record->hostPipe = hostPipe;
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record->hookman_section = OpenFileMappingW(FILE_MAP_READ, FALSE, (ITH_SECTION_ + std::to_wstring(pid)).c_str());
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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
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record->process_handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid);
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record->hookman_mutex = OpenMutexW(MUTEX_ALL_ACCESS, FALSE, (ITH_HOOKMAN_MUTEX_ + std::to_wstring(pid)).c_str());
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if (attach)
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attach(pid);
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}
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void HookManager::UnRegisterProcess(DWORD pid)
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{
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HM_LOCK;
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ProcessRecord pr = *processRecordsByIds[pid];
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CloseHandle(pr.hookman_mutex);
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UnmapViewOfFile(pr.hookman_map);
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CloseHandle(pr.process_handle);
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CloseHandle(pr.hookman_section);
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processRecordsByIds.erase(pid);
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RemoveProcessContext(pid);
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if (detach)
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detach(pid);
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}
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void HookManager::DispatchText(DWORD pid, const BYTE *text, DWORD hook, DWORD retn, DWORD spl, int len)
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{
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// jichi 20/27/2013: When PID is zero, the text comes from console, which I don't need
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if (!text || !pid || len <= 0)
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return;
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HM_LOCK;
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ThreadParameter tp = {pid, hook, retn, spl};
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TextThread *it;
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if (!(it = textThreadsByParams[tp]))
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{
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it = textThreadsByParams[tp] = new TextThread(tp, new_thread_number++, splitDelay);
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if (create)
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{
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create(it);
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}
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}
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it->AddText(text, len);
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}
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void HookManager::AddConsoleOutput(LPCWSTR text)
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{
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if (text)
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{
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int len = wcslen(text) * 2;
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TextThread *console = textThreadsByParams[{0, -1UL, -1UL, -1UL}];
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console->AddSentence(std::wstring(text));
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}
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}
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void HookManager::ClearCurrent()
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{
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HM_LOCK;
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if (current) {
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current->Reset();
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if (reset)
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reset(current);
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}
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}
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ProcessRecord *HookManager::GetProcessRecord(DWORD pid)
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{
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HM_LOCK;
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return processRecordsByIds[pid];
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}
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HANDLE HookManager::GetHostPipe(DWORD pid)
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{
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HM_LOCK;
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return processRecordsByIds[pid] ? processRecordsByIds[pid]->hostPipe : nullptr;
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}
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Hook HookManager::GetHook(DWORD processId, DWORD addr)
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{
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HM_LOCK;
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return hooksByAddresses[{ processId, addr, 0, 0}];
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}
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void HookManager::SetHook(DWORD processId, DWORD addr, Hook hook)
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{
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HM_LOCK;
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hooksByAddresses[{ processId, addr, 0, 0}] = hook;
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}
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void AddHooksToProfile(Profile& pf, const ProcessRecord& pr);
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DWORD AddThreadToProfile(Profile& pf, const ProcessRecord& pr, TextThread* thread);
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void MakeHookRelative(const ProcessRecord& pr, HookParam& hp);
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void HookManager::GetProfile(DWORD pid, pugi::xml_node profile_node)
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{
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const ProcessRecord* pr = GetProcessRecord(pid);
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if (pr == NULL)
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return;
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Profile pf(L"serialize");
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AddHooksToProfile(pf, *pr);
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AddThreadsToProfile(pf, *pr, pid);
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pf.XmlWriteProfile(profile_node);
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}
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void AddHooksToProfile(Profile& pf, const ProcessRecord& pr)
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{
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WaitForSingleObject(pr.hookman_mutex, 0);
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auto hooks = (const OldHook*)pr.hookman_map;
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for (DWORD i = 0; i < MAX_HOOK; ++i)
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{
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if (hooks[i].Address() == 0)
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continue;
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auto& hook = hooks[i];
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DWORD type = hook.Type();
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if ((type & HOOK_ADDITIONAL) && (type & HOOK_ENGINE) == 0)
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{
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std::unique_ptr<CHAR[]> name(new CHAR[hook.NameLength()]);
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if (ReadProcessMemory(pr.process_handle, hook.Name(), name.get(), hook.NameLength(), NULL))
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{
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if (hook.hp.module)
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{
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HookParam hp = hook.hp;
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MakeHookRelative(pr, hp);
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pf.AddHook(hook_ptr(new HookProfile(hp, toUnicodeString(name.get()))));
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}
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else
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pf.AddHook(hook_ptr(new HookProfile(hook.hp, toUnicodeString(name.get()))));
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}
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}
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}
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ReleaseMutex(pr.hookman_mutex);
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}
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void MakeHookRelative(const ProcessRecord& pr, HookParam& hp)
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{
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MEMORY_BASIC_INFORMATION info;
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VirtualQueryEx(pr.process_handle, (LPCVOID)hp.address, &info, sizeof(info));
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hp.address -= (DWORD)info.AllocationBase;
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hp.function = 0;
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}
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void HookManager::AddThreadsToProfile(Profile& pf, const ProcessRecord& pr, DWORD pid)
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{
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HM_LOCK;
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AddThreadToProfile(pf, pr, current);
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}
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DWORD AddThreadToProfile(Profile& pf, const ProcessRecord& pr, TextThread* thread)
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{
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ThreadParameter tp = thread->GetThreadParameter();
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std::wstring hook_name = GetHookNameByAddress(pr, tp.hook);
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if (hook_name.empty())
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return -1;
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auto thread_profile = new ThreadProfile(hook_name, tp.retn, tp.spl, 0, 0,
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THREAD_MASK_RETN | THREAD_MASK_SPLIT, L"");
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DWORD threads_size = pf.Threads().size();
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int thread_profile_index = pf.AddThread(thread_ptr(thread_profile));
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if (thread_profile_index == threads_size) // new thread
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{
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WORD iw = thread_profile_index & 0xFFFF;
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if (thread->Status() & CURRENT_SELECT)
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pf.SelectedIndex() = iw;
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}
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return thread_profile_index; // in case more than one thread links to the same thread
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}
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// EOF
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