chenx221/Textractor
1
0
Fork 0
forked from Public-Mirror/Textractor
Code Pull Requests Activity

more consistent hook searching ui and fix critical error in searching for text and custom codepage for hook searches

Browse Source
This commit is contained in:
Akash Mozumdar 2019-08-19 16:15:08 -04:00
parent 3f004554f8
commit 562c6e1a3a
9 changed files with 102 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
GUI/host/host.cpp
View File

@ -59,7 +59,7 @@ namespace
};
size_t HashThreadParam(ThreadParam tp) { return std::hash<int64_t>()(tp.processId + tp.addr) + std::hash<int64_t>()(tp.ctx + tp.ctx2); }
Synchronized<std::unordered_map<ThreadParam, TextThread, Functor<HashThreadParam>>, std::recursive_mutex> textThreadsByParams;
Synchronized<std::unordered_map<ThreadParam, TextThread, Functor<HashThreadParam>>> textThreadsByParams;
Synchronized<std::unordered_map<DWORD, ProcessRecord>> processRecordsByIds;
Host::ProcessEventHandler OnConnect, OnDisconnect;
@ -68,7 +68,10 @@ namespace
void RemoveThreads(std::function<bool(ThreadParam)> removeIf)
{
std::vector<TextThread*> threadsToRemove;
std::for_each(textThreadsByParams->begin(), textThreadsByParams->end(), [&](auto& it) { if (removeIf(it.first)) threadsToRemove.push_back(&it.second); });
{
auto textThreadsByParams = ::textThreadsByParams.Acquire();
std::for_each(textThreadsByParams->begin(), textThreadsByParams->end(), [&](auto& it) { if (removeIf(it.first)) threadsToRemove.push_back(&it.second); });
}
for (auto thread : threadsToRemove)
{
OnDestroy(*thread);
@ -106,10 +109,9 @@ namespace
std::wstring wide = info.text;
if (wide.size() > STRING) OnHookFound(info.hp, info.text);
info.hp.type &= ~USING_UNICODE;
if (auto converted = Util::StringToWideString((char*)info.text, Host::defaultCodepage))
if (auto converted = Util::StringToWideString((char*)info.text, info.hp.codepage))
if (converted->size() > STRING) OnHookFound(info.hp, converted.value());
info.hp.codepage = CP_UTF8;
if (auto converted = Util::StringToWideString((char*)info.text, CP_UTF8))
if (auto converted = Util::StringToWideString((char*)info.text, info.hp.codepage = CP_UTF8))
if (converted->size() > STRING) OnHookFound(info.hp, converted.value());
}
break;

24
GUI/host/util.cpp
View File

@ -1,5 +1,4 @@
#include "util.h"
#include "host.h"
#include <sstream>
#include <Psapi.h>
@ -47,28 +46,6 @@ namespace
return hp;
}
std::optional<HookParam> ParseSCode(std::wstring SCode)
{
std::wsmatch match;
HookParam hp = {};
hp.type |= READ_SEARCH;
// [codepage#]
if (std::regex_search(SCode, match, std::wregex(L"^([0-9]+)#")))
{
hp.codepage = std::stoi(match[1]);
SCode.erase(0, match[0].length());
}
else
{
hp.codepage = Host::defaultCodepage;
}
wcsncpy_s(hp.text, SCode.c_str(), MAX_MODULE_SIZE - 1);
return hp;
}
std::optional<HookParam> ParseHCode(std::wstring HCode)
{
std::wsmatch match;
@ -325,7 +302,6 @@ namespace Util
{
if (code[0] == L'/') code.erase(0, 1); // legacy/AGTH compatibility
if (code[0] == L'R') return ParseRCode(code.erase(0, 1));
else if (code[0] == L'S') return ParseSCode(code.erase(0, 1));
else if (code[0] == L'H') return ParseHCode(code.erase(0, 1));
return {};
}

42
GUI/mainwindow.cpp
View File

@ -35,6 +35,9 @@ extern const char* MAX_ADDRESS;
extern const char* STRING_OFFSET;
extern const char* MAX_HOOK_SEARCH_RECORDS;
extern const char* HOOK_SEARCH_FILTER;
extern const char* SEARCH_FOR_TEXT;
extern const char* TEXT;
extern const char* CODEPAGE;
extern const char* START_HOOK_SEARCH;
extern const char* SAVE_SEARCH_RESULTS;
extern const char* TEXT_FILES;
@ -360,7 +363,8 @@ void MainWindow::AddHook()
void MainWindow::AddHook(QString hook)
{
if (QString hookCode = QInputDialog::getText(this, ADD_HOOK, CODE_INFODUMP, QLineEdit::Normal, hook, &ok, Qt::WindowCloseButtonHint); ok)
if (auto hp = Util::ParseCode(S(hookCode))) try { Host::InsertHook(GetSelectedProcessId(), hp.value()); } catch (std::out_of_range) {}
if (hookCode.startsWith("S") || hookCode.startsWith("/S")) FindHooks();
else if (auto hp = Util::ParseCode(S(hookCode))) try { Host::InsertHook(GetSelectedProcessId(), hp.value()); } catch (std::out_of_range) {}
else Host::AddConsoleOutput(INVALID_CODE);
}
@ -418,23 +422,48 @@ void MainWindow::FindHooks()
DWORD processId = GetSelectedProcessId();
SearchParam sp = {};
bool customSettings = false;
sp.codepage = Host::defaultCodepage;
bool searchForText = false, customSettings = false;
std::wregex filter(L".");
QDialog dialog(this, Qt::WindowCloseButtonHint);
QFormLayout layout(&dialog);
QCheckBox cjkCheckbox(&dialog);
layout.addRow(SEARCH_CJK, &cjkCheckbox);
QDialogButtonBox confirm(QDialogButtonBox::Ok | QDialogButtonBox::Help, &dialog);
QDialogButtonBox confirm(QDialogButtonBox::Ok | QDialogButtonBox::Help | QDialogButtonBox::Retry, &dialog);
layout.addRow(&confirm);
confirm.button(QDialogButtonBox::Ok)->setText(START_HOOK_SEARCH);
confirm.button(QDialogButtonBox::Retry)->setText(SEARCH_FOR_TEXT);
confirm.button(QDialogButtonBox::Help)->setText(SETTINGS);
connect(&confirm, &QDialogButtonBox::helpRequested, [&customSettings] { customSettings = true; });
connect(&confirm, &QDialogButtonBox::accepted, &dialog, &QDialog::accept);
connect(&confirm, &QDialogButtonBox::helpRequested, &dialog, &QDialog::accept);
connect(&confirm, &QDialogButtonBox::clicked, [&](QAbstractButton* button)
{
if (button == confirm.button(QDialogButtonBox::Retry)) searchForText = true;
if (button == confirm.button(QDialogButtonBox::Help)) customSettings = true;
dialog.accept();
});
dialog.setWindowTitle(SEARCH_FOR_HOOKS);
if (!dialog.exec()) return;
if (searchForText)
{
QDialog dialog(this, Qt::WindowCloseButtonHint);
QFormLayout layout(&dialog);
QLineEdit textInput(&dialog);
layout.addRow(TEXT, &textInput);
QSpinBox codepageInput(&dialog);
codepageInput.setMaximum(INT_MAX);
codepageInput.setValue(sp.codepage);
layout.addRow(CODEPAGE, &codepageInput);
QDialogButtonBox confirm(QDialogButtonBox::Ok);
connect(&confirm, &QDialogButtonBox::accepted, &dialog, &QDialog::accept);
layout.addRow(&confirm);
if (!dialog.exec()) return;
wcsncpy_s(sp.text, S(textInput.text()).c_str(), PATTERN_SIZE - 1);
try { Host::FindHooks(GetSelectedProcessId(), sp); }
catch (std::out_of_range) {}
return;
}
if (customSettings)
{
QDialog dialog(this, Qt::WindowCloseButtonHint);
@ -446,6 +475,7 @@ void MainWindow::FindHooks()
{ sp.searchTime, SEARCH_DURATION },
{ sp.offset, PATTERN_OFFSET },
{ sp.maxRecords, MAX_HOOK_SEARCH_RECORDS },
{ sp.codepage, CODEPAGE },
})
{
auto spinBox = new QSpinBox(&dialog);

17
include/const.h
View File

@ -4,7 +4,7 @@
// 8/23/2013 jichi
// Branch: ITH/common.h, rev 128
enum { STRING = 12, MESSAGE_SIZE = 500, PIPE_BUFFER_SIZE = 2000, SHIFT_JIS = 932, MAX_MODULE_SIZE = 120, HOOK_NAME_SIZE = 30, FIXED_SPLIT_VALUE = 0x10001 };
enum { STRING = 12, MESSAGE_SIZE = 500, PIPE_BUFFER_SIZE = 2000, SHIFT_JIS = 932, MAX_MODULE_SIZE = 120, PATTERN_SIZE = 30, HOOK_NAME_SIZE = 30, FIXED_SPLIT_VALUE = 0x10001 };
enum WildcardByte { XX = 0x11 };
enum HostCommandType { HOST_COMMAND_NEW_HOOK, HOST_COMMAND_REMOVE_HOOK, HOST_COMMAND_FIND_HOOK, HOST_COMMAND_MODIFY_HOOK, HOST_COMMAND_HIJACK_PROCESS, HOST_COMMAND_DETACH };
@ -22,12 +22,11 @@ enum HookParamType : unsigned
MODULE_OFFSET = 0x40, // address is relative to module
FUNCTION_OFFSET = 0x80, // address is relative to function
USING_UTF8 = 0x100,
READ_SEARCH = 0x200, // unspecified address: search for text instead
NO_CONTEXT = 0x400,
HOOK_EMPTY = 0x800,
FIXING_SPLIT = 0x1000,
DIRECT_READ = 0x2000, // /R read code instead of classic /H hook code
FULL_STRING = 0x4000,
HOOK_ENGINE = 0x8000,
HOOK_ADDITIONAL = 0x10000,
NO_CONTEXT = 0x200,
HOOK_EMPTY = 0x400,
FIXING_SPLIT = 0x800,
DIRECT_READ = 0x1000, // /R read code instead of classic /H hook code
FULL_STRING = 0x2000,
HOOK_ENGINE = 0x4000,
HOOK_ADDITIONAL = 0x8000,
};

14
include/types.h
View File

@ -31,11 +31,9 @@ struct HookParam
split, // offset of the split character
split_index, // deref_offset2
null_length;
union
{
wchar_t module[MAX_MODULE_SIZE];
wchar_t text[MAX_MODULE_SIZE];
};
wchar_t module[MAX_MODULE_SIZE];
char function[MAX_MODULE_SIZE];
DWORD type; // flags
UINT codepage; // text encoding
@ -62,12 +60,14 @@ struct ThreadParam
struct SearchParam
{
BYTE pattern[25] = { 0xcc, 0xcc, x64 ? 0x48 : 0x55, x64 ? 0x89 : 0x8b, 0xec }; // pattern in memory to search for
BYTE pattern[PATTERN_SIZE] = { 0xcc, 0xcc, x64 ? 0x48 : 0x55, x64 ? 0x89 : 0x8b, 0xec }; // pattern in memory to search for
int length = x64 ? 4 : 5, // length of pattern (zero means this SearchParam is invalid and the default should be used)
offset = 2, // offset from start of pattern to add hook
searchTime = 20000, // ms
maxRecords = 100000;
maxRecords = 100000,
codepage = SHIFT_JIS;
uintptr_t padding = 0, minAddress = 0, maxAddress = (uintptr_t)-1;
wchar_t text[PATTERN_SIZE] = {}; // text to search for
void(*hookPostProcessor)(HookParam&) = nullptr;
};

3
text.cpp
View File

@ -63,6 +63,9 @@ const char* MIN_ADDRESS = u8"Minimum address (hex)";
const char* MAX_ADDRESS = u8"Maximum address (hex)";
const char* STRING_OFFSET = u8"String offset (hex)";
const char* HOOK_SEARCH_FILTER = u8"Results must match this regex";
const char* TEXT = u8"Text";
const char* CODEPAGE = u8"Codepage";
const char* SEARCH_FOR_TEXT = u8"Search for specific text";
const char* START_HOOK_SEARCH = u8"Start hook search";
const char* SAVE_SEARCH_RESULTS = u8"Save search results";
const char* TEXT_FILES = u8"Text (*.txt)";

31
texthook/hookfinder.cc
View File

@ -6,6 +6,8 @@
extern const char* STARTING_SEARCH;
extern const char* HOOK_SEARCH_INITIALIZED;
extern const char* HOOK_SEARCH_FINISHED;
extern const char* NOT_ENOUGH_TEXT;
extern const char* COULD_NOT_FIND;
extern WinMutex viewMutex;
@ -24,6 +26,7 @@ namespace
hp.type = USING_UNICODE | USING_STRING;
hp.address = address;
hp.padding = sp.padding;
hp.codepage = sp.codepage;
if (sp.hookPostProcessor) sp.hookPostProcessor(hp);
NotifyHookFound(hp, (wchar_t*)text);
}
@ -204,3 +207,31 @@ void SearchForHooks(SearchParam spUser)
ConsoleOutput(HOOK_SEARCH_FINISHED, sp.maxRecords - recordsAvailable);
}).detach();
}
void SearchForText(wchar_t* text, UINT codepage)
{
bool found = false;
char utf8Text[PATTERN_SIZE * 4] = {};
WideCharToMultiByte(CP_UTF8, 0, text, PATTERN_SIZE, utf8Text, PATTERN_SIZE * 4, nullptr, nullptr);
char codepageText[PATTERN_SIZE * 4] = {};
WideCharToMultiByte(codepage, 0, text, PATTERN_SIZE, codepageText, PATTERN_SIZE * 4, nullptr, nullptr);
if (strlen(utf8Text) < 4 || strlen(codepageText) < 4 || wcslen(text) < 4) return ConsoleOutput(NOT_ENOUGH_TEXT);
ConsoleOutput(STARTING_SEARCH);
auto GenerateHooks = [&](std::vector<uint64_t> addresses, HookParamType type)
{
for (auto addr : addresses)
{
if (abs((long long)(utf8Text - addr)) < 20000) continue; // don't add read code if text is on this thread's stack
found = true;
HookParam hp = {};
hp.type = DIRECT_READ | type;
hp.address = addr;
hp.codepage = codepage;
NewHook(hp, "Search", 0);
}
};
GenerateHooks(Util::SearchMemory(utf8Text, strlen(utf8Text), PAGE_READWRITE), USING_UTF8);
GenerateHooks(Util::SearchMemory(codepageText, strlen(codepageText), PAGE_READWRITE), USING_STRING);
GenerateHooks(Util::SearchMemory(text, wcslen(text) * sizeof(wchar_t), PAGE_READWRITE), USING_UNICODE);
if (!found) ConsoleOutput(COULD_NOT_FIND);
}

2
texthook/hookfinder.h
View File

@ -3,5 +3,5 @@
#include "common.h"
#include "types.h"
void SearchForText(wchar_t* text);
void SearchForText(wchar_t* text, UINT codepage);
void SearchForHooks(SearchParam sp);

49
texthook/main.cc
View File

@ -15,9 +15,6 @@ extern const char* INSERTING_HOOK;
extern const char* REMOVING_HOOK;
extern const char* HOOK_FAILED;
extern const char* TOO_MANY_HOOKS;
extern const char* STARTING_SEARCH;
extern const char* NOT_ENOUGH_TEXT;
extern const char* COULD_NOT_FIND;
WinMutex viewMutex;
@ -74,7 +71,8 @@ DWORD WINAPI Pipe(LPVOID)
case HOST_COMMAND_FIND_HOOK:
{
auto info = *(FindHookCmd*)buffer;
SearchForHooks(info.sp);
if (*info.sp.text) SearchForText(info.sp.text, info.sp.codepage);
else SearchForHooks(info.sp);
}
break;
case HOST_COMMAND_DETACH:
@ -156,43 +154,14 @@ BOOL WINAPI DllMain(HINSTANCE hModule, DWORD fdwReason, LPVOID)
void NewHook(HookParam hp, LPCSTR lpname, DWORD flag)
{
if (hp.type & READ_SEARCH)
if (++currentHook >= MAX_HOOK) return ConsoleOutput(TOO_MANY_HOOKS);
if (lpname && *lpname) strncpy_s(hp.name, lpname, HOOK_NAME_SIZE - 1);
ConsoleOutput(INSERTING_HOOK, hp.name);
RemoveHook(hp.address, 0);
if (!(*hooks)[currentHook].Insert(hp, flag))
{
bool found = false;
char utf8Text[MAX_MODULE_SIZE * 4] = {};
WideCharToMultiByte(CP_UTF8, 0, hp.text, MAX_MODULE_SIZE, utf8Text, MAX_MODULE_SIZE * 4, nullptr, nullptr);
char codepageText[MAX_MODULE_SIZE * 4] = {};
WideCharToMultiByte(hp.codepage, 0, hp.text, MAX_MODULE_SIZE, codepageText, MAX_MODULE_SIZE * 4, nullptr, nullptr);
if (strlen(utf8Text) < 8 || strlen(codepageText) < 8 || wcslen(hp.text) < 4) return ConsoleOutput(NOT_ENOUGH_TEXT);
ConsoleOutput(STARTING_SEARCH);
for (auto [addrs, type] : Array<std::tuple<std::vector<uint64_t>, HookParamType>>{
{ Util::SearchMemory(utf8Text, strlen(utf8Text), PAGE_READWRITE), USING_UTF8 },
{ Util::SearchMemory(codepageText, strlen(codepageText), PAGE_READWRITE), USING_STRING },
{ Util::SearchMemory(hp.text, wcslen(hp.text) * 2, PAGE_READWRITE), USING_UNICODE }
})
for (auto addr : addrs)
{
if (abs((long long)(utf8Text - addr)) < 20000) continue; // don't add read code if text is on this thread's stack
found = true;
HookParam h = {};
h.type = DIRECT_READ | type;
h.address = addr;
h.codepage = hp.codepage;
NewHook(h, lpname, 0);
}
if (!found) ConsoleOutput(COULD_NOT_FIND);
}
else
{
if (++currentHook >= MAX_HOOK) return ConsoleOutput(TOO_MANY_HOOKS);
if (lpname && *lpname) strncpy_s(hp.name, lpname, HOOK_NAME_SIZE - 1);
ConsoleOutput(INSERTING_HOOK, hp.name);
RemoveHook(hp.address, 0);
if (!(*hooks)[currentHook].Insert(hp, flag))
{
ConsoleOutput(HOOK_FAILED);
(*hooks)[currentHook].Clear();
}
ConsoleOutput(HOOK_FAILED);
(*hooks)[currentHook].Clear();
}
}