Cool_Tools/ImHex
1
0
Fork 0
mirror of synced 2024-11-27 17:10:51 +01:00
Code Releases Wiki Activity

impr: Make decompression support actually useful (#1481)

Browse Source
This commit is contained in:
Nik 2023-12-31 11:39:24 +01:00 committed by GitHub
parent b22d90f9ca
commit 950eaea8af
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 358 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.github/workflows/build.yml vendored
View File

@ -390,6 +390,7 @@ jobs:
# Ubuntu cmake build
- name: 🛠️ Build
shell: bash
run: |
set -x
git config --global --add safe.directory '*'

17
cmake/modules/ImHexPlugin.cmake
View File

@ -2,7 +2,7 @@ macro(add_imhex_plugin)
# Parse arguments
set(options LIBRARY_PLUGIN)
set(oneValueArgs NAME)
set(multiValueArgs SOURCES INCLUDES LIBRARIES)
set(multiValueArgs SOURCES INCLUDES LIBRARIES FEATURES)
cmake_parse_arguments(IMHEX_PLUGIN "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if (IMHEX_STATIC_LINK_PLUGINS)
@ -60,6 +60,11 @@ macro(add_imhex_plugin)
set_target_properties(${LIBROMFS_LIBRARY} PROPERTIES POSITION_INDEPENDENT_CODE ON)
target_link_libraries(${IMHEX_PLUGIN_NAME} PRIVATE ${LIBROMFS_LIBRARY})
foreach(feature ${IMHEX_PLUGIN_FEATURES})
string(TOUPPER ${feature} feature)
add_definitions(-DIMHEX_PLUGIN_${IMHEX_PLUGIN_NAME}_FEATURE_${feature}=0)
endforeach()
# Add the new plugin to the main dependency list so it gets built by default
if (TARGET imhex_all)
add_dependencies(imhex_all ${IMHEX_PLUGIN_NAME})
@ -71,3 +76,13 @@ macro(add_romfs_resource input output)
list(APPEND LIBROMFS_RESOURCE_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/romfs)
endmacro()
macro (enable_plugin_feature feature)
string(TOUPPER ${feature} feature)
if (NOT (feature IN_LIST IMHEX_PLUGIN_FEATURES))
message(FATAL_ERROR "Feature ${feature} is not enabled for plugin ${IMHEX_PLUGIN_NAME}")
endif()
remove_definitions(-DIMHEX_PLUGIN_${IMHEX_PLUGIN_NAME}_FEATURE_${feature}=0)
add_definitions(-DIMHEX_PLUGIN_${IMHEX_PLUGIN_NAME}_FEATURE_${feature}=1)
endmacro()

2
dist/Arch/PKGBUILD vendored
View File

@ -8,7 +8,7 @@ pkgdesc="A Hex Editor for Reverse Engineers, Programmers and people who value th
arch=("x86_64")
url="https://github.com/WerWolv/ImHex"
license=('GPL2')
depends=(glfw mbedtls freetype2 libglvnd dbus gtk3 curl fmt yara nlohmann-json libarchive)
depends=(glfw mbedtls freetype2 libglvnd dbus gtk3 curl fmt yara nlohmann-json zlib bzip2 xz zstd)
makedepends=(git)
provides=(imhex)
conflicts=(imhex)

5
dist/Brewfile vendored
View File

@ -10,4 +10,7 @@ brew "gcc@12"
brew "llvm"
brew "glfw"
brew "ninja"
brew "libarchive"
brew "zlib"
brew "xz"
brew "bzip2"
brew "zstd"

2
dist/DEBIAN/control.in vendored
View File

@ -4,7 +4,7 @@ Section: editors
Priority: optional
Architecture: amd64
License: GNU GPL-2
Depends: libglfw3 | libglfw3-wayland, libmagic1, libmbedtls14, libfreetype6, libopengl0, libdbus-1-3, xdg-desktop-portal, libarchive13
Depends: libglfw3 | libglfw3-wayland, libmagic1, libmbedtls14, libfreetype6, libopengl0, libdbus-1-3, xdg-desktop-portal
Maintainer: WerWolv <hey@werwolv.net>
Description: ImHex Hex Editor
A Hex Editor for Reverse Engineers, Programmers and

5
dist/ImHex-9999.ebuild vendored
View File

@ -24,6 +24,9 @@ RDEPEND="${DEPEND}
dev-cpp/nlohmann_json
dbus
xdg-desktop-portal
app-arch/libarchive
sys-libs/zlib
app-arch/bzip2
app-arch/lzma
app-arch/zstd
"
BDEPEND="${DEPEND}"

5
dist/get_deps_archlinux.sh vendored
View File

@ -15,4 +15,7 @@ pacman -S $@ --needed \
yara \
nlohmann-json \
ninja \
libarchive
zlib \
bzip2 \
xz \
zstd

5
dist/get_deps_debian.sh vendored
View File

@ -23,4 +23,7 @@ apt install -y \
libcurl4-gnutls-dev \
libgtk-3-dev \
ninja-build \
libarchive-dev
zlib1g-dev \
libbz2-dev \
liblzma-dev \
libzstd-dev

5
dist/get_deps_fedora.sh vendored
View File

@ -13,4 +13,7 @@ dnf install -y \
lld \
mbedtls-devel \
gtk3-devel \
libarchive-devel
libzstd-devel \
zlib-devel \
bzip2-devel \
xz-devel

5
dist/get_deps_msys2.sh vendored
View File

@ -13,4 +13,7 @@ pacman -S --needed --noconfirm \
mingw-w64-x86_64-dlfcn \
mingw-w64-x86_64-ninja \
mingw-w64-x86_64-capstone \
mingw-w64-x86_64-libarchive
mingw-w64-x86_64-zlib \
mingw-w64-x86_64-bzip2 \
mingw-w64-x86_64-xz \
mingw-w64-x86_64-zstd

8
dist/macOS/arm64.Dockerfile vendored
View File

@ -52,7 +52,10 @@ vcpkg install --triplet=arm-osx-mytriplet curl
vcpkg install --triplet=arm-osx-mytriplet mbedtls
vcpkg install --triplet=arm-osx-mytriplet freetype
vcpkg install --triplet=arm-osx-mytriplet josuttis-jthread
vcpkg install --triplet=arm-osx-mytriplet libarchive
vcpkg install --triplet=arm-osx-mytriplet zlib
vcpkg install --triplet=arm-osx-mytriplet bzip2
vcpkg install --triplet=arm-osx-mytriplet liblzma
vcpkg install --triplet=arm-osx-mytriplet zstd
EOF
## Install glfw3 dep
@ -103,6 +106,9 @@ if [ "$CUSTOM_GLFW" ]; then
fi
EOF
RUN mkdir -p /vcpkg/installed/arm-osx-mytriplet/lib/pkgconfig
RUN mkdir -p /osxcross/target/macports/pkgs/vcpkg/installed/arm-osx-mytriplet/lib/pkgconfig
## Build glfw
RUN --mount=type=cache,target=/cache <<EOF
set -xe

5
dist/msys2/PKGBUILD vendored
View File

@ -17,7 +17,10 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-gcc"
"${MINGW_PACKAGE_PREFIX}-mbedtls"
"${MINGW_PACKAGE_PREFIX}-polly"
"${MINGW_PACKAGE_PREFIX}-freetype"
"${MINGW_PACKAGE_PREFIX}-libarchive")
"${MINGW_PACKAGE_PREFIX}-zlib"
"${MINGW_PACKAGE_PREFIX}-bzip2"
"${MINGW_PACKAGE_PREFIX}-xz"
"${MINGW_PACKAGE_PREFIX}-zstd")
source=()
sha256sums=()

5
dist/rpm/imhex.spec vendored
View File

@ -27,7 +27,10 @@ BuildRequires: mbedtls-devel
BuildRequires: yara-devel
BuildRequires: nativefiledialog-extended-devel
BuildRequires: dotnet-sdk-7.0
BuildRequires: libarchive-devel
BuildRequires: libzstd-devel
BuildRequires: zlib-devel
BuildRequires: bzip2-devel
BuildRequires: xz-devel
%if 0%{?rhel}
BuildRequires: gcc-toolset-12
%endif

5
dist/web/Dockerfile vendored
View File

@ -37,7 +37,10 @@ mkdir -p $VCPKG_DEFAULT_BINARY_CACHE
/vcpkg/vcpkg install --triplet=wasm32-emscripten libmagic
/vcpkg/vcpkg install --triplet=wasm32-emscripten freetype
/vcpkg/vcpkg install --triplet=wasm32-emscripten mbedtls
/vcpkg/vcpkg install --triplet=wasm32-emscripten libarchive
/vcpkg/vcpkg install --triplet=wasm32-emscripten zlib
/vcpkg/vcpkg install --triplet=wasm32-emscripten bzip2
/vcpkg/vcpkg install --triplet=wasm32-emscripten liblzma
/vcpkg/vcpkg install --triplet=wasm32-emscripten zstd
EOF
# Build ImHex

8
lib/libimhex/include/hex/api/plugin_manager.hpp
View File

@ -17,6 +17,11 @@ namespace hex {
std::function<void(const std::vector<std::string>&)> callback;
};
struct Feature {
std::string name;
bool enabled;
};
struct PluginFunctions {
using InitializePluginFunc = void (*)();
using InitializeLibraryFunc = void (*)();
@ -27,6 +32,7 @@ namespace hex {
using SetImGuiContextFunc = void (*)(ImGuiContext *);
using IsBuiltinPluginFunc = bool (*)();
using GetSubCommandsFunc = void* (*)();
using GetFeaturesFunc = void* (*)();
InitializePluginFunc initializePluginFunction = nullptr;
InitializeLibraryFunc initializeLibraryFunction = nullptr;
@ -37,6 +43,7 @@ namespace hex {
SetImGuiContextFunc setImGuiContextFunction = nullptr;
IsBuiltinPluginFunc isBuiltinPluginFunction = nullptr;
GetSubCommandsFunc getSubCommandsFunction = nullptr;
GetFeaturesFunc getFeaturesFunction = nullptr;
};
class Plugin {
@ -65,6 +72,7 @@ namespace hex {
[[nodiscard]] bool isLoaded() const;
[[nodiscard]] std::span<SubCommand> getSubCommands() const;
[[nodiscard]] std::span<Feature> getFeatures() const;
[[nodiscard]] bool isLibraryPlugin() const;

9
lib/libimhex/include/hex/plugin.hpp
View File

@ -92,3 +92,12 @@
return &g_subCommands; \
} \
std::vector<hex::SubCommand> g_subCommands
#define IMHEX_FEATURE_ENABLED(feature) WOLV_TOKEN_CONCAT(WOLV_TOKEN_CONCAT(WOLV_TOKEN_CONCAT(IMHEX_PLUGIN_, IMHEX_PLUGIN_NAME), _FEATURE_), feature)
#define IMHEX_PLUGIN_FEATURES() IMHEX_PLUGIN_FEATURES_IMPL()
#define IMHEX_PLUGIN_FEATURES_IMPL() \
extern std::vector<hex::Feature> g_features; \
extern "C" [[gnu::visibility("default")]] void* getFeatures() { \
return &g_features; \
} \
std::vector<hex::Feature> g_features

10
lib/libimhex/source/api/plugin_manager.cpp
View File

@ -44,6 +44,7 @@ namespace hex {
m_functions.setImGuiContextFunction = getPluginFunction<PluginFunctions::SetImGuiContextFunc>("setImGuiContext");
m_functions.isBuiltinPluginFunction = getPluginFunction<PluginFunctions::IsBuiltinPluginFunc>("isBuiltinPlugin");
m_functions.getSubCommandsFunction = getPluginFunction<PluginFunctions::GetSubCommandsFunc>("getSubCommands");
m_functions.getFeaturesFunction = getPluginFunction<PluginFunctions::GetSubCommandsFunc>("getFeatures");
}
Plugin::Plugin(const hex::PluginFunctions &functions) {
@ -188,6 +189,15 @@ namespace hex {
}
}
std::span<Feature> Plugin::getFeatures() const {
if (m_functions.getFeaturesFunction != nullptr) {
auto result = m_functions.getFeaturesFunction();
return *static_cast<std::vector<Feature>*>(result);
} else {
return { };
}
}
bool Plugin::isLibraryPlugin() const {
return m_functions.initializeLibraryFunction != nullptr &&
m_functions.initializePluginFunction == nullptr;

32
plugins/builtin/source/content/views/view_about.cpp
View File

@ -342,7 +342,7 @@ namespace hex::plugin::builtin {
ImGuiExt::BeginSubWindow("hex.builtin.view.help.about.plugins"_lang);
ImGui::PopStyleVar();
{
if (ImGui::BeginTable("plugins", 4, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_ScrollY | ImGuiTableFlags_SizingFixedFit)) {
if (ImGui::BeginTable("plugins", 4, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit)) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("hex.builtin.view.help.about.plugins.plugin"_lang);
ImGui::TableSetupColumn("hex.builtin.view.help.about.plugins.author"_lang);
@ -355,18 +355,40 @@ namespace hex::plugin::builtin {
if (plugin.isLibraryPlugin())
continue;
auto features = plugin.getFeatures();
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGuiExt::TextFormattedColored(
plugin.isBuiltinPlugin() ? ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_Highlight) : ImGui::GetStyleColorVec4(ImGuiCol_Text),
"{}", plugin.getPluginName().c_str()
);
bool open = false;
ImGui::PushStyleColor(ImGuiCol_Text, plugin.isBuiltinPlugin() ? ImGuiExt::GetCustomColorU32(ImGuiCustomCol_Highlight) : ImGui::GetColorU32(ImGuiCol_Text));
if (features.empty())
ImGui::BulletText("%s", plugin.getPluginName().c_str());
else
open = ImGui::TreeNode(plugin.getPluginName().c_str());
ImGui::PopStyleColor();
ImGui::TableNextColumn();
ImGui::TextUnformatted(plugin.getPluginAuthor().c_str());
ImGui::TableNextColumn();
ImGui::TextUnformatted(plugin.getPluginDescription().c_str());
ImGui::TableNextColumn();
ImGui::TextUnformatted(plugin.isLoaded() ? ICON_VS_CHECK : ICON_VS_CLOSE);
if (open) {
for (const auto &feature : plugin.getFeatures()) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGuiExt::TextFormatted(" {}", feature.name.c_str());
ImGui::TableNextColumn();
ImGui::TableNextColumn();
ImGui::TableNextColumn();
ImGui::TextUnformatted(feature.enabled ? ICON_VS_CHECK : ICON_VS_CLOSE);
}
ImGui::TreePop();
}
}
ImGui::EndTable();

40
plugins/decompress/CMakeLists.txt
View File

@ -2,17 +2,17 @@ cmake_minimum_required(VERSION 3.16)
include(ImHexPlugin)
# Homebrew only ships a libarchive keg, include directories have to be set manually
if(${CMAKE_HOST_SYSTEM_NAME} MATCHES "Darwin")
execute_process(
COMMAND brew --prefix libarchive
OUTPUT_VARIABLE LIBARCHIVE_PREFIX
OUTPUT_STRIP_TRAILING_WHITESPACE
COMMAND_ERROR_IS_FATAL ANY
)
set(LibArchive_INCLUDE_DIR "${LIBARCHIVE_PREFIX}/include")
endif()
find_package(LibArchive REQUIRED)
macro(addOptionalLibrary package library)
find_package(${package})
if (${package}_FOUND)
set_property(TARGET ${package}::${library} PROPERTY POSITION_INDEPENDENT_CODE ON)
string(TOUPPER ${package} PACKAGE)
set(LIBRARIES ${LIBRARIES} ${package}::${library})
message(STATUS "Enabling decompression support using ${package} (${${package}_VERSION})")
enable_plugin_feature(${PACKAGE})
endif()
endmacro()
add_imhex_plugin(
NAME
@ -25,5 +25,21 @@ add_imhex_plugin(
include
LIBRARIES
ui
LibArchive::LibArchive
FEATURES
ZLIB
BZIP2
LIBLZMA
ZSTD
)
find_package(zstd)
if (TARGET zstd::libzstd_static)
addOptionalLibrary(zstd libzstd_static)
elseif(TARGET zstd::libzstd_shared)
addOptionalLibrary(zstd libzstd_shared)
endif()
addOptionalLibrary(ZLIB ZLIB)
addOptionalLibrary(BZip2 BZip2)
addOptionalLibrary(LibLZMA LibLZMA)
target_link_libraries(decompress PRIVATE ${LIBRARIES})

240
plugins/decompress/source/content/pl_functions.cpp
View File

@ -1,58 +1,232 @@
#include <hex.hpp>
#include <hex/plugin.hpp>
#include <hex/api/content_registry.hpp>
#include <pl/core/evaluator.hpp>
#include <pl/patterns/pattern.hpp>
#include <archive.h>
#include <archive_entry.h>
#include <wolv/utils/guards.hpp>
#include <vector>
#include <optional>
#if IMHEX_FEATURE_ENABLED(ZLIB)
#include <zlib.h>
#endif
#if IMHEX_FEATURE_ENABLED(BZIP2)
#include <bzlib.h>
#endif
#if IMHEX_FEATURE_ENABLED(LIBLZMA)
#include <lzma.h>
#endif
#if IMHEX_FEATURE_ENABLED(ZSTD)
#include <zstd.h>
#endif
namespace hex::plugin::decompress {
namespace {
std::vector<u8> getCompressedData(pl::core::Evaluator *evaluator, const pl::core::Token::Literal &literal) {
const auto inputPattern = literal.toPattern();
std::vector<u8> compressedData;
compressedData.resize(inputPattern->getSize());
evaluator->readData(inputPattern->getOffset(), compressedData.data(), compressedData.size(), inputPattern->getSection());
return compressedData;
}
}
void registerPatternLanguageFunctions() {
using namespace pl::core;
using FunctionParameterCount = pl::api::FunctionParameterCount;
const pl::api::Namespace nsHexDec = { "builtin", "hex", "dec" };
/* decompress() */
ContentRegistry::PatternLanguage::addFunction(nsHexDec, "decompress", FunctionParameterCount::exactly(2), [](Evaluator *evaluator, auto params) -> std::optional<Token::Literal> {
const auto inputPattern = params[0].toPattern();
auto &section = evaluator->getSection(params[1].toUnsigned());
/* zlib_decompress(compressed_pattern, section_id) */
ContentRegistry::PatternLanguage::addFunction(nsHexDec, "zlib_decompress", FunctionParameterCount::exactly(2), [](Evaluator *evaluator, auto params) -> std::optional<Token::Literal> {
#if IMHEX_FEATURE_ENABLED(ZLIB)
auto compressedData = getCompressedData(evaluator, params[0]);
auto &section = evaluator->getSection(params[1].toUnsigned());
std::vector<u8> compressedData;
compressedData.resize(inputPattern->getSize());
evaluator->readData(inputPattern->getOffset(), compressedData.data(), compressedData.size(), inputPattern->getSection());
auto inArchive = archive_read_new();
ON_SCOPE_EXIT {
archive_read_close(inArchive);
archive_read_free(inArchive);
};
archive_read_support_filter_all(inArchive);
archive_read_support_format_raw(inArchive);
archive_read_open_memory(inArchive, compressedData.data(), compressedData.size());
archive_entry *entry = nullptr;
while (archive_read_next_header(inArchive, &entry) == ARCHIVE_OK) {
const void *block = nullptr;
size_t size = 0x00;
i64 offset = 0x00;
while (archive_read_data_block(inArchive, &block, &size, &offset) == ARCHIVE_OK) {
section.resize(section.size() + size);
std::memcpy(section.data(), block, size);
z_stream stream = { };
if (inflateInit(&stream) != Z_OK) {
return false;
}
}
return std::nullopt;
section.resize(100);
stream.avail_in = compressedData.size();
stream.avail_out = section.size();
stream.next_in = compressedData.data();
stream.next_out = section.data();
ON_SCOPE_EXIT {
inflateEnd(&stream);
};
while (stream.avail_in != 0) {
auto res = inflate(&stream, Z_NO_FLUSH);
if (res == Z_STREAM_END) {
section.resize(section.size() - stream.avail_out);
break;
}
if (res != Z_OK)
return false;
if (stream.avail_out != 0)
break;
section.resize(section.size() * 2);
stream.next_out = section.data();
stream.avail_out = section.size();
}
return true;
#else
hex::unused(evaluator, params);
err::E0012.throwError("hex::dec::zlib_decompress is not available. Please recompile with zlib support.");
#endif
});
/* bzip_decompress(compressed_pattern, section_id) */
ContentRegistry::PatternLanguage::addFunction(nsHexDec, "bzip_decompress", FunctionParameterCount::exactly(2), [](Evaluator *evaluator, auto params) -> std::optional<Token::Literal> {
#if IMHEX_FEATURE_ENABLED(BZIP2)
auto compressedData = getCompressedData(evaluator, params[0]);
auto &section = evaluator->getSection(params[1].toUnsigned());
bz_stream stream = { };
if (BZ2_bzDecompressInit(&stream, 0, 1) != Z_OK) {
return false;
}
section.resize(100);
stream.avail_in = compressedData.size();
stream.avail_out = section.size();
stream.next_in = reinterpret_cast<char*>(compressedData.data());
stream.next_out = reinterpret_cast<char*>(section.data());
ON_SCOPE_EXIT {
BZ2_bzDecompressEnd(&stream);
};
while (stream.avail_in != 0) {
auto res = BZ2_bzDecompress(&stream);
if (res == BZ_STREAM_END) {
section.resize(section.size() - stream.avail_out);
break;
}
if (res != BZ_OK)
return false;
if (stream.avail_out != 0)
break;
section.resize(section.size() * 2);
stream.next_out = reinterpret_cast<char*>(section.data());
stream.avail_out = section.size();
}
return true;
#else
hex::unused(evaluator, params);
err::E0012.throwError("hex::dec::bzlib_decompress is not available. Please recompile with bzip2 support.");
#endif
});
/* lzma_decompress(compressed_pattern, section_id) */
ContentRegistry::PatternLanguage::addFunction(nsHexDec, "lzma_decompress", FunctionParameterCount::exactly(2), [](Evaluator *evaluator, auto params) -> std::optional<Token::Literal> {
#if IMHEX_FEATURE_ENABLED(LIBLZMA)
auto compressedData = getCompressedData(evaluator, params[0]);
auto &section = evaluator->getSection(params[1].toUnsigned());
lzma_stream stream = LZMA_STREAM_INIT;
if (lzma_auto_decoder(&stream, 0x10000, LZMA_IGNORE_CHECK) != Z_OK) {
return false;
}
section.resize(100);
stream.avail_in = compressedData.size();
stream.avail_out = section.size();
stream.next_in = compressedData.data();
stream.next_out = section.data();
ON_SCOPE_EXIT {
lzma_end(&stream);
};
while (stream.avail_in != 0) {
auto res = lzma_code(&stream, LZMA_RUN);
if (res == BZ_STREAM_END) {
section.resize(section.size() - stream.avail_out);
break;
}
if (res != LZMA_OK && res != LZMA_STREAM_END)
return false;
if (stream.avail_out != 0)
break;
section.resize(section.size() * 2);
stream.next_out = compressedData.data();
stream.avail_out = compressedData.size();
}
return true;
#else
hex::unused(evaluator, params);
err::E0012.throwError("hex::dec::lzma_decompress is not available. Please recompile with liblzma support.");
#endif
});
/* zstd_decompress(compressed_pattern, section_id) */
ContentRegistry::PatternLanguage::addFunction(nsHexDec, "zstd_decompress", FunctionParameterCount::exactly(2), [](Evaluator *evaluator, auto params) -> std::optional<Token::Literal> {
#if IMHEX_FEATURE_ENABLED(ZSTD)
auto compressedData = getCompressedData(evaluator, params[0]);
auto &section = evaluator->getSection(params[1].toUnsigned());
ZSTD_DCtx* dctx = ZSTD_createDCtx();
if (dctx == nullptr) {
return false;
}
ON_SCOPE_EXIT {
ZSTD_freeDCtx(dctx);
};
const u8* source = compressedData.data();
size_t sourceSize = compressedData.size();
do {
size_t blockSize = ZSTD_getFrameContentSize(source, sourceSize);
if (blockSize == ZSTD_CONTENTSIZE_ERROR) {
return false;
}
section.resize(section.size() + blockSize);
size_t decodedSize = ZSTD_decompressDCtx(dctx, section.data() + section.size() - blockSize, blockSize, source, sourceSize);
if (ZSTD_isError(decodedSize)) {
return false;
}
source = source + sourceSize;
sourceSize = 0;
} while (sourceSize > 0);
return true;
#else
hex::unused(evaluator, params);
err::E0012.throwError("hex::dec::zstd_decompress is not available. Please recompile with zstd support.");
#endif
});
}

7
plugins/decompress/source/plugin_decompress.cpp
View File

@ -19,3 +19,10 @@ IMHEX_PLUGIN_SETUP("Decompressing", "WerWolv", "Support for decompressing data")
registerPatternLanguageFunctions();
}
IMHEX_PLUGIN_FEATURES() {
{ "bzip2 Support", IMHEX_FEATURE_ENABLED(BZIP2) },
{ "zlib Support", IMHEX_FEATURE_ENABLED(ZLIB) },
{ "LZMA Support", IMHEX_FEATURE_ENABLED(LIBLZMA) },
{ "zstd Support", IMHEX_FEATURE_ENABLED(ZSTD) },
};