613 lines
27 KiB
C++
613 lines
27 KiB
C++
#include "content/views/view_find.hpp"
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#include <hex/api/imhex_api.hpp>
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#include <hex/providers/buffered_reader.hpp>
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#include <array>
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#include <regex>
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#include <string>
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#include <thread>
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#include <utility>
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#include <llvm/Demangle/Demangle.h>
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namespace hex::plugin::builtin {
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ViewFind::ViewFind() : View("hex.builtin.view.find.name") {
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const static auto HighlightColor = [] { return (ImGui::GetCustomColorU32(ImGuiCustomCol_ToolbarPurple) & 0x00FFFFFF) | 0x70000000; };
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ImHexApi::HexEditor::addBackgroundHighlightingProvider([this](u64 address, const u8* data, size_t size) -> std::optional<color_t> {
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hex::unused(data, size);
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auto provider = ImHexApi::Provider::get();
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if (!this->m_occurrenceTree[provider].findOverlapping(address, address).empty())
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return HighlightColor();
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else
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return std::nullopt;
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});
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ImHexApi::HexEditor::addTooltipProvider([this](u64 address, const u8* data, size_t size) {
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hex::unused(data, size);
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auto provider = ImHexApi::Provider::get();
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auto occurrences = this->m_occurrenceTree[provider].findOverlapping(address, address);
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if (occurrences.empty())
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return;
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ImGui::BeginTooltip();
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for (const auto &occurrence : occurrences) {
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ImGui::PushID(&occurrence);
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if (ImGui::BeginTable("##tooltips", 1, ImGuiTableFlags_RowBg | ImGuiTableFlags_NoClip)) {
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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{
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const auto value = this->decodeValue(ImHexApi::Provider::get(), occurrence.value);
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ImGui::ColorButton("##color", ImColor(HighlightColor()));
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ImGui::SameLine(0, 10);
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ImGui::TextFormatted("{}", value);
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if (ImGui::GetIO().KeyShift) {
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ImGui::Indent();
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if (ImGui::BeginTable("##extra_info", 2, ImGuiTableFlags_RowBg | ImGuiTableFlags_NoClip)) {
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::TextFormatted("{}: ", "hex.builtin.common.region"_lang.get());
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ImGui::TableNextColumn();
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ImGui::TextFormatted("[ 0x{:08X} - 0x{:08X} ]", occurrence.value.region.getStartAddress(), occurrence.value.region.getEndAddress());
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auto demangledValue = llvm::demangle(value);
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if (value != demangledValue) {
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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ImGui::TextFormatted("{}: ", "hex.builtin.view.find.demangled"_lang.get());
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ImGui::TableNextColumn();
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ImGui::TextFormatted("{}", demangledValue);
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}
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ImGui::EndTable();
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}
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ImGui::Unindent();
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}
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}
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ImGui::PushStyleColor(ImGuiCol_TableRowBg, HighlightColor());
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ImGui::PushStyleColor(ImGuiCol_TableRowBgAlt, HighlightColor());
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ImGui::EndTable();
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ImGui::PopStyleColor(2);
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}
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ImGui::PopID();
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}
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ImGui::EndTooltip();
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});
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}
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std::vector<ViewFind::BinaryPattern> ViewFind::parseBinaryPatternString(std::string string) {
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std::vector<BinaryPattern> result;
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if (string.length() < 2)
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return { };
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bool inString = false;
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while (string.length() > 0) {
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BinaryPattern pattern = { 0, 0 };
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if (string.starts_with("\"")) {
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inString = !inString;
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string = string.substr(1);
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continue;
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} else if (inString) {
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pattern = { 0xFF, u8(string.front()) };
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string = string.substr(1);
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} else if (string.starts_with("??")) {
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pattern = { 0x00, 0x00 };
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string = string.substr(2);
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} else if ((std::isxdigit(string.front()) || string.front() == '?') && string.length() >= 2) {
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const auto hex = string.substr(0, 2);
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for (const auto &c : hex) {
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pattern.mask <<= 4;
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pattern.value <<= 4;
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if (std::isxdigit(c)) {
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pattern.mask |= 0x0F;
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if (auto hexValue = hex::hexCharToValue(c); hexValue.has_value())
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pattern.value |= hexValue.value();
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else
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return { };
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} else if (c != '?') {
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return { };
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}
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}
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string = string.substr(2);
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} else if (std::isspace(string.front())) {
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string = string.substr(1);
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continue;
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} else {
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return { };
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}
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result.push_back(pattern);
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}
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if (inString)
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return { };
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return result;
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}
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std::vector<ViewFind::Occurrence> ViewFind::searchStrings(Task &task, prv::Provider *provider, hex::Region searchRegion, SearchSettings::Strings settings) {
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using enum SearchSettings::Strings::Type;
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std::vector<Occurrence> results;
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if (settings.type == ASCII_UTF16BE || settings.type == ASCII_UTF16LE) {
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auto newSettings = settings;
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newSettings.type = ASCII;
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auto asciiResults = searchStrings(task, provider, searchRegion, newSettings);
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std::copy(asciiResults.begin(), asciiResults.end(), std::back_inserter(results));
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if (settings.type == ASCII_UTF16BE) {
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newSettings.type = UTF16BE;
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auto utf16Results = searchStrings(task, provider, searchRegion, newSettings);
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std::copy(utf16Results.begin(), utf16Results.end(), std::back_inserter(results));
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} else if (settings.type == ASCII_UTF16LE) {
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newSettings.type = UTF16LE;
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auto utf16Results = searchStrings(task, provider, searchRegion, newSettings);
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std::copy(utf16Results.begin(), utf16Results.end(), std::back_inserter(results));
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}
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return results;
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}
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auto reader = prv::BufferedReader(provider);
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reader.seek(searchRegion.getStartAddress());
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reader.setEndAddress(searchRegion.getEndAddress());
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const Occurrence::DecodeType decodeType = [&]{
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if (settings.type == ASCII)
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return Occurrence::DecodeType::ASCII;
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else if (settings.type == SearchSettings::Strings::Type::UTF16BE)
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return Occurrence::DecodeType::UTF16BE;
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else if (settings.type == SearchSettings::Strings::Type::UTF16LE)
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return Occurrence::DecodeType::UTF16LE;
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else
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return Occurrence::DecodeType::Binary;
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}();
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size_t countedCharacters = 0;
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u64 startAddress = reader.begin().getAddress();
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for (u8 byte : reader) {
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bool validChar =
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(settings.m_lowerCaseLetters && std::islower(byte)) ||
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(settings.m_upperCaseLetters && std::isupper(byte)) ||
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(settings.m_numbers && std::isdigit(byte)) ||
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(settings.m_spaces && std::isspace(byte)) ||
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(settings.m_underscores && byte == '_') ||
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(settings.m_symbols && std::ispunct(byte)) ||
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(settings.m_lineFeeds && byte == '\n');
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if (settings.type == UTF16LE) {
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// Check if second byte of UTF-16 encoded string is 0x00
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if (countedCharacters % 2 == 1)
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validChar = byte == 0x00;
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} else if (settings.type == UTF16BE) {
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// Check if first byte of UTF-16 encoded string is 0x00
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if (countedCharacters % 2 == 0)
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validChar = byte == 0x00;
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}
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if (validChar)
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countedCharacters++;
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else {
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if (countedCharacters >= size_t(settings.minLength)) {
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if (!(settings.nullTermination && byte != 0x00)) {
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results.push_back(Occurrence { Region { startAddress, countedCharacters }, decodeType });
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}
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}
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startAddress += countedCharacters + 1;
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countedCharacters = 0;
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task.update(startAddress - searchRegion.getStartAddress());
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}
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}
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return results;
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}
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std::vector<ViewFind::Occurrence> ViewFind::searchSequence(Task &task, prv::Provider *provider, hex::Region searchRegion, SearchSettings::Bytes settings) {
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std::vector<Occurrence> results;
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auto reader = prv::BufferedReader(provider);
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reader.seek(searchRegion.getStartAddress());
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reader.setEndAddress(searchRegion.getEndAddress());
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auto sequence = hex::decodeByteString(settings.sequence);
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auto occurrence = reader.begin();
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while (true) {
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occurrence = std::search(reader.begin(), reader.end(), std::boyer_moore_horspool_searcher(sequence.begin(), sequence.end()));
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if (occurrence == reader.end())
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break;
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auto address = occurrence.getAddress();
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reader.seek(address + 1);
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results.push_back(Occurrence{ Region { address, sequence.size() }, Occurrence::DecodeType::Binary });
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task.update(address - searchRegion.getStartAddress());
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}
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return results;
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}
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std::vector<ViewFind::Occurrence> ViewFind::searchRegex(Task &task, prv::Provider *provider, hex::Region searchRegion, SearchSettings::Regex settings) {
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auto stringOccurrences = searchStrings(task, provider, searchRegion, SearchSettings::Strings {
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.minLength = 1,
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.type = SearchSettings::Strings::Type::ASCII,
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.m_lowerCaseLetters = true,
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.m_upperCaseLetters = true,
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.m_numbers = true,
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.m_underscores = true,
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.m_symbols = true,
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.m_spaces = true,
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.m_lineFeeds = true
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});
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std::vector<Occurrence> result;
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std::regex regex(settings.pattern);
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for (const auto &occurrence : stringOccurrences) {
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std::string string(occurrence.region.getSize(), '\x00');
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provider->read(occurrence.region.getStartAddress(), string.data(), occurrence.region.getSize());
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if (std::regex_match(string, regex))
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result.push_back(occurrence);
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}
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return result;
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}
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std::vector<ViewFind::Occurrence> ViewFind::searchBinaryPattern(Task &task, prv::Provider *provider, hex::Region searchRegion, SearchSettings::BinaryPattern settings) {
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std::vector<Occurrence> results;
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auto reader = prv::BufferedReader(provider);
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reader.seek(searchRegion.getStartAddress());
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reader.setEndAddress(searchRegion.getEndAddress());
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u32 matchedBytes = 0;
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const size_t patternSize = settings.pattern.size();
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for (auto it = reader.begin(); it != reader.end(); ++it) {
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auto byte = *it;
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if ((byte & settings.pattern[matchedBytes].mask) == settings.pattern[matchedBytes].value) {
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matchedBytes++;
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if (matchedBytes == settings.pattern.size()) {
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auto occurrenceAddress = it.getAddress() - (patternSize - 1);
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results.push_back(Occurrence { Region { occurrenceAddress, patternSize }, Occurrence::DecodeType::Binary });
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task.update(occurrenceAddress);
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it.setAddress(occurrenceAddress);
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matchedBytes = 0;
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}
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} else {
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if (matchedBytes > 0)
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it -= matchedBytes;
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matchedBytes = 0;
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}
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}
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return results;
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}
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void ViewFind::runSearch() {
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Region searchRegion = [this]{
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if (this->m_searchSettings.range == ui::SelectedRegion::EntireData || !ImHexApi::HexEditor::isSelectionValid()) {
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auto provider = ImHexApi::Provider::get();
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return Region { provider->getBaseAddress(), provider->getActualSize() };
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} else {
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return ImHexApi::HexEditor::getSelection().value();
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}
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}();
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this->m_searchRunning = true;
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std::thread([this, settings = this->m_searchSettings, searchRegion]{
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auto task = ImHexApi::Tasks::createTask("hex.builtin.view.find.searching", searchRegion.getSize());
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auto provider = ImHexApi::Provider::get();
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switch (settings.mode) {
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using enum SearchSettings::Mode;
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case Strings:
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this->m_foundOccurrences[provider] = searchStrings(task, provider, searchRegion, settings.strings);
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break;
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case Sequence:
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this->m_foundOccurrences[provider] = searchSequence(task, provider, searchRegion, settings.bytes);
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break;
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case Regex:
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this->m_foundOccurrences[provider] = searchRegex(task, provider, searchRegion, settings.regex);
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break;
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case BinaryPattern:
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this->m_foundOccurrences[provider] = searchBinaryPattern(task, provider, searchRegion, settings.binaryPattern);
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break;
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}
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this->m_sortedOccurrences[provider] = this->m_foundOccurrences[provider];
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OccurrenceTree::interval_vector intervals;
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for (const auto &occurrence : this->m_foundOccurrences[provider])
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intervals.push_back(OccurrenceTree::interval(occurrence.region.getStartAddress(), occurrence.region.getEndAddress(), occurrence));
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this->m_occurrenceTree[provider] = std::move(intervals);
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this->m_searchRunning = false;
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}).detach();
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}
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std::string ViewFind::decodeValue(prv::Provider *provider, Occurrence occurrence) const {
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std::vector<u8> bytes(std::min<size_t>(occurrence.region.getSize(), 128));
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provider->read(occurrence.region.getStartAddress(), bytes.data(), bytes.size());
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std::string result;
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switch (this->m_decodeSettings.mode) {
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using enum SearchSettings::Mode;
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case Strings:
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{
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switch (occurrence.decodeType) {
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using enum Occurrence::DecodeType;
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case Binary:
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case ASCII:
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result = hex::encodeByteString(bytes);
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break;
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case UTF16LE:
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for (size_t i = 0; i < bytes.size(); i += 2)
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result += hex::encodeByteString({ bytes[i] });
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break;
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case UTF16BE:
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for (size_t i = 1; i < bytes.size(); i += 2)
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result += hex::encodeByteString({ bytes[i] });
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break;
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}
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}
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break;
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case Sequence:
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case Regex:
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case BinaryPattern:
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result = hex::encodeByteString(bytes);
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break;
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}
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return result;
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}
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static void drawContextMenu(const std::string &value) {
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if (ImGui::IsMouseClicked(ImGuiMouseButton_Right) && ImGui::IsItemHovered()) {
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ImGui::OpenPopup("FindContextMenu");
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}
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if (ImGui::BeginPopup("FindContextMenu")) {
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if (ImGui::MenuItem("hex.builtin.view.find.context.copy"_lang))
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ImGui::SetClipboardText(value.c_str());
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if (ImGui::MenuItem("hex.builtin.view.find.context.copy_demangle"_lang))
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ImGui::SetClipboardText(llvm::demangle(value).c_str());
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ImGui::EndPopup();
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}
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}
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void ViewFind::drawContent() {
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if (ImGui::Begin(View::toWindowName("hex.builtin.view.find.name").c_str(), &this->getWindowOpenState())) {
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auto provider = ImHexApi::Provider::get();
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ImGui::BeginDisabled(this->m_searchRunning);
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{
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ui::regionSelectionPicker(&this->m_searchSettings.range);
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ImGui::NewLine();
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if (ImGui::BeginTabBar("SearchMethods")) {
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auto &mode = this->m_searchSettings.mode;
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if (ImGui::BeginTabItem("hex.builtin.view.find.strings"_lang)) {
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auto &settings = this->m_searchSettings.strings;
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mode = SearchSettings::Mode::Strings;
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ImGui::InputInt("hex.builtin.view.find.strings.min_length"_lang, &settings.minLength, 1, 1);
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if (settings.minLength < 1)
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settings.minLength = 1;
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const std::array<std::string, 5> StringTypes = {
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"hex.builtin.common.encoding.ascii"_lang,
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"hex.builtin.common.encoding.utf16le"_lang,
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"hex.builtin.common.encoding.utf16be"_lang,
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hex::format("{} + {}", "hex.builtin.common.encoding.ascii"_lang, "hex.builtin.common.encoding.utf16le"_lang),
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hex::format("{} + {}", "hex.builtin.common.encoding.ascii"_lang, "hex.builtin.common.encoding.utf16be"_lang)
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};
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if (ImGui::BeginCombo("hex.builtin.common.type"_lang, StringTypes[std::to_underlying(settings.type)].c_str())) {
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for (size_t i = 0; i < StringTypes.size(); i++) {
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auto type = static_cast<SearchSettings::Strings::Type>(i);
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if (ImGui::Selectable(StringTypes[i].c_str(), type == settings.type))
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settings.type = type;
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}
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ImGui::EndCombo();
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}
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if (ImGui::CollapsingHeader("hex.builtin.view.find.strings.match_settings"_lang)) {
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ImGui::Checkbox("hex.builtin.view.find.strings.null_term"_lang, &settings.nullTermination);
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ImGui::Header("hex.builtin.view.find.strings.chars"_lang);
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ImGui::Checkbox(hex::format("{} [a-z]", "hex.builtin.view.find.strings.lower_case"_lang.get()).c_str(), &settings.m_lowerCaseLetters);
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ImGui::Checkbox(hex::format("{} [A-Z]", "hex.builtin.view.find.strings.upper_case"_lang.get()).c_str(), &settings.m_upperCaseLetters);
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ImGui::Checkbox(hex::format("{} [0-9]", "hex.builtin.view.find.strings.numbers"_lang.get()).c_str(), &settings.m_numbers);
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ImGui::Checkbox(hex::format("{} [_]", "hex.builtin.view.find.strings.underscores"_lang.get()).c_str(), &settings.m_underscores);
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ImGui::Checkbox(hex::format("{} [!\"#$%...]", "hex.builtin.view.find.strings.symbols"_lang.get()).c_str(), &settings.m_symbols);
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ImGui::Checkbox(hex::format("{} [ ]", "hex.builtin.view.find.strings.spaces"_lang.get()).c_str(), &settings.m_spaces);
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ImGui::Checkbox(hex::format("{} [\\n]", "hex.builtin.view.find.strings.line_feeds"_lang.get()).c_str(), &settings.m_lineFeeds);
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}
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this->m_settingsValid = true;
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("hex.builtin.view.find.sequences"_lang)) {
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auto &settings = this->m_searchSettings.bytes;
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mode = SearchSettings::Mode::Sequence;
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ImGui::InputText("hex.builtin.common.value"_lang, settings.sequence);
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this->m_settingsValid = !settings.sequence.empty();
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("hex.builtin.view.find.regex"_lang)) {
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auto &settings = this->m_searchSettings.regex;
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mode = SearchSettings::Mode::Regex;
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ImGui::InputText("hex.builtin.view.find.regex"_lang, settings.pattern);
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try {
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std::regex regex(settings.pattern);
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this->m_settingsValid = true;
|
|
} catch (std::regex_error &e) {
|
|
this->m_settingsValid = false;
|
|
}
|
|
|
|
if (settings.pattern.empty())
|
|
this->m_settingsValid = false;
|
|
|
|
ImGui::EndTabItem();
|
|
}
|
|
if (ImGui::BeginTabItem("hex.builtin.view.find.binary_pattern"_lang)) {
|
|
auto &settings = this->m_searchSettings.binaryPattern;
|
|
|
|
mode = SearchSettings::Mode::BinaryPattern;
|
|
|
|
ImGui::InputText("hex.builtin.view.find.binary_pattern"_lang, settings.input);
|
|
|
|
settings.pattern = parseBinaryPatternString(settings.input);
|
|
this->m_settingsValid = !settings.pattern.empty();
|
|
|
|
ImGui::EndTabItem();
|
|
}
|
|
|
|
ImGui::EndTabBar();
|
|
}
|
|
|
|
ImGui::NewLine();
|
|
|
|
ImGui::BeginDisabled(!this->m_settingsValid);
|
|
{
|
|
if (ImGui::Button("hex.builtin.view.find.search"_lang)) {
|
|
this->runSearch();
|
|
|
|
this->m_decodeSettings = this->m_searchSettings;
|
|
}
|
|
}
|
|
ImGui::EndDisabled();
|
|
|
|
ImGui::SameLine();
|
|
ImGui::TextFormatted("hex.builtin.view.find.search.entries"_lang, this->m_foundOccurrences[provider].size());
|
|
}
|
|
ImGui::EndDisabled();
|
|
|
|
|
|
ImGui::Separator();
|
|
ImGui::NewLine();
|
|
|
|
auto &currOccurrences = this->m_sortedOccurrences[provider];
|
|
|
|
ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x);
|
|
if (ImGui::InputTextWithHint("##filter", "hex.builtin.common.filter"_lang, this->m_currFilter)) {
|
|
this->m_sortedOccurrences = this->m_foundOccurrences;
|
|
|
|
currOccurrences.erase(std::remove_if(currOccurrences.begin(), currOccurrences.end(), [this, provider](const auto ®ion) {
|
|
return !this->decodeValue(provider, region).contains(this->m_currFilter);
|
|
}), currOccurrences.end());
|
|
}
|
|
ImGui::PopItemWidth();
|
|
|
|
if (ImGui::BeginTable("##entries", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_Sortable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_RowBg | ImGuiTableFlags_ScrollY)) {
|
|
ImGui::TableSetupScrollFreeze(0, 1);
|
|
ImGui::TableSetupColumn("hex.builtin.common.offset"_lang, 0, -1, ImGui::GetID("offset"));
|
|
ImGui::TableSetupColumn("hex.builtin.common.size"_lang, 0, -1, ImGui::GetID("size"));
|
|
ImGui::TableSetupColumn("hex.builtin.common.value"_lang, 0, -1, ImGui::GetID("value"));
|
|
|
|
auto sortSpecs = ImGui::TableGetSortSpecs();
|
|
|
|
if (sortSpecs->SpecsDirty) {
|
|
std::sort(currOccurrences.begin(), currOccurrences.end(), [this, &sortSpecs, provider](Occurrence &left, Occurrence &right) -> bool {
|
|
if (sortSpecs->Specs->ColumnUserID == ImGui::GetID("offset")) {
|
|
if (sortSpecs->Specs->SortDirection == ImGuiSortDirection_Ascending)
|
|
return left.region.getStartAddress() > right.region.getStartAddress();
|
|
else
|
|
return left.region.getStartAddress() < right.region.getStartAddress();
|
|
} else if (sortSpecs->Specs->ColumnUserID == ImGui::GetID("size")) {
|
|
if (sortSpecs->Specs->SortDirection == ImGuiSortDirection_Ascending)
|
|
return left.region.getSize() > right.region.getSize();
|
|
else
|
|
return left.region.getSize() < right.region.getSize();
|
|
} else if (sortSpecs->Specs->ColumnUserID == ImGui::GetID("value")) {
|
|
if (sortSpecs->Specs->SortDirection == ImGuiSortDirection_Ascending)
|
|
return this->decodeValue(provider, left) > this->decodeValue(provider, right);
|
|
else
|
|
return this->decodeValue(provider, left) < this->decodeValue(provider, right);
|
|
}
|
|
|
|
return false;
|
|
});
|
|
|
|
sortSpecs->SpecsDirty = false;
|
|
}
|
|
|
|
ImGui::TableHeadersRow();
|
|
|
|
ImGuiListClipper clipper;
|
|
clipper.Begin(currOccurrences.size(), ImGui::GetTextLineHeightWithSpacing());
|
|
|
|
while (clipper.Step()) {
|
|
for (size_t i = clipper.DisplayStart; i < std::min<size_t>(clipper.DisplayEnd, currOccurrences.size()); i++) {
|
|
auto &foundItem = currOccurrences[i];
|
|
|
|
ImGui::TableNextRow();
|
|
ImGui::TableNextColumn();
|
|
|
|
ImGui::TextFormatted("0x{:08X}", foundItem.region.getStartAddress());
|
|
ImGui::TableNextColumn();
|
|
ImGui::TextFormatted("{}", hex::toByteString(foundItem.region.getSize()));
|
|
ImGui::TableNextColumn();
|
|
|
|
ImGui::PushID(i);
|
|
|
|
auto value = this->decodeValue(provider, foundItem);
|
|
ImGui::TextFormatted("{}", value);
|
|
ImGui::SameLine();
|
|
if (ImGui::Selectable("##line", false, ImGuiSelectableFlags_SpanAllColumns))
|
|
ImHexApi::HexEditor::setSelection(foundItem.region.getStartAddress(), foundItem.region.getSize());
|
|
drawContextMenu(value);
|
|
|
|
ImGui::PopID();
|
|
}
|
|
}
|
|
clipper.End();
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
|
|
}
|
|
ImGui::End();
|
|
}
|
|
|
|
}
|