Development

Building

The pinned Rust toolchain is defined in rust-toolchain.toml. Build the CLI with cargo build --release; the binary is written to target/release/senbei.exe on Windows.

The workspace crates are portable where their APIs are pure. The browser binding is outside the workspace and is checked with cargo check --manifest-path senbei-wasm/Cargo.toml or built with wasm-pack.

Testing

cargo test --release --workspace
cargo clippy --workspace --all-targets -- -D warnings
cargo fmt --all -- --check

The tracked test suite is safe without protected samples. The optional local samples/ corpus is user-managed and the ignored test/ folder can be used for real Windows and Android runs.

For an Android package, use one command at a time because a protected .so can be hundreds of megabytes. APK, APKS, and XAPK tests read the ZIP manifest first and extract only .so and global-metadata.dat entries.

Environment Variables

DD8_SHIFT overrides the PE page-XOR shift; 99 skips that stage.
SEL_DIAG prints PE layout-selector diagnostics.
SENBEI_THREADS caps deterministic block fan-out; 1 forces the sequential reference path.
SENBEI_SCAN_ALL enables probing selected target names below the size floor; it never enables arbitrary filenames.
SENBEI_ANDROID_SAMPLES overrides the Android sample corpus location.

Conventions

Format crates stay free of filesystem I/O and protection-specific logic. Windows engine code lives below senbei-engine/src/windows/, Android engine code below senbei-engine/src/android/, and shared code stays directly under each crate's src/.

Layout heuristics must trial and validate every candidate. A failed validation is an error or a fall-through, never a silently accepted offset.

Outputs must remain byte-identical against the available golden corpus. Run the full workspace tests after changing a pipeline or a metadata layout.

Folder scanning uses explicit target names to avoid opening bulk assets. External .exe._ and .dll._ files are auxiliary data for their sibling stubs and are not independent scan targets.

Repository Layout

senbei-cli/       command-line binary and integration tests
senbei-crypto/    shared crypto and Android crypto primitives
senbei-elf/       basic ELF parsing
senbei-engine/    Windows and Android unpacking engines
senbei-io/        filesystem, package, scanning, and CLI orchestration
senbei-metadata/  Windows and Android metadata restoration
senbei-pe/        basic PE parsing
senbei-wasm/      browser bindings and its own lockfile
web/              static browser frontend
samples/          optional local corpus

Web Build

cd senbei-wasm
wasm-pack build --target web --release --out-dir ../web/pkg

Serve web/ with a static HTTP server after the build. The browser never uploads input files.

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