Initial commit: noxis JVM bytecode obfuscator
Workspace of 9 crates (noxis, noxis-core, noxis-classfile, noxis-analysis, noxis-passes, noxis-runtime, noxis-jar, noxis-verify, noxis-structure-check). AGPL-3.0-only license, Rust 2024 edition, unsafe_code denied.
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commit
a641e69455
140 changed files with 17197 additions and 0 deletions
232
crates/noxis/src/cmd/obfuscate.rs
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232
crates/noxis/src/cmd/obfuscate.rs
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//! Команда `obfuscate`: jar → конвейер → jar + маппинги + отчёт.
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use std::path::PathBuf;
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use anyhow::{Context as _, Result};
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use noxis_core::{Config, Context, PassId};
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/// Аргументы обфускации.
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#[derive(Debug, clap::Args)]
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pub struct Args {
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/// Входной jar.
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pub input: PathBuf,
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/// Выходной jar.
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#[arg(short, long)]
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pub output: PathBuf,
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/// TOML-конфиг (без него — профиль Standard).
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#[arg(short, long)]
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pub config: Option<PathBuf>,
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/// Мастер-сид (детерминированность по умолчанию — из конфига).
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#[arg(long)]
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pub seed: Option<u64>,
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/// Куда положить JSON-отчёт (по умолчанию рядом с выходом).
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#[arg(long)]
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pub report: Option<PathBuf>,
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/// Выключить пасс переименования.
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#[arg(long)]
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pub no_rename: bool,
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/// Выключить пасс ресурсов.
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#[arg(long)]
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pub no_resources: bool,
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/// Выключить пасс строк.
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#[arg(long)]
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pub no_strings: bool,
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/// Выключить пасс констант.
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#[arg(long)]
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pub no_constants: bool,
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/// Выключить пасс шума.
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#[arg(long)]
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pub no_noise: bool,
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/// Выключить пасс отладочной информации.
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#[arg(long)]
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pub no_debug_info: bool,
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/// Выключить пасс control-flow (ещё не реализован — честная ошибка).
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#[arg(long)]
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pub no_flow: bool,
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}
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/// Прогнать обфускацию.
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pub fn run(args: Args) -> Result<()> {
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if args.no_flow {
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anyhow::bail!("пасс flow ещё не реализован (см. todo.md §3.4)");
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}
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let mut config = match &args.config {
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Some(path) => {
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let text = std::fs::read_to_string(path)
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.with_context(|| format!("конфиг {}", path.display()))?;
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Config::from_toml(&text).map_err(|error| anyhow::anyhow!("{error}"))?
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}
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None => Config::default(),
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};
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if let Some(seed) = args.seed {
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config.seed = Some(seed);
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}
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for (flag, id) in [
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(args.no_rename, PassId::Rename),
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(args.no_resources, PassId::Resources),
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(args.no_strings, PassId::Strings),
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(args.no_constants, PassId::Constants),
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(args.no_noise, PassId::Noise),
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(args.no_debug_info, PassId::DebugInfo),
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] {
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if flag && !config.disable.contains(&id) {
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config.disable.push(id);
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}
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}
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let entries = noxis_jar::read_file(&args.input)
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.with_context(|| format!("чтение {}", args.input.display()))?;
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let (entries, stripped) = noxis_jar::strip_signatures(entries);
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let mut program =
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noxis_jar::load(entries).map_err(|error| anyhow::anyhow!("разбор jar: {error}"))?;
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let mut ctx = Context::new(config);
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let report = noxis_passes::standard_pipeline()
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.run(&mut ctx, &mut program)
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.map_err(|error| anyhow::anyhow!("конвейер: {error}"))?;
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let entries =
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noxis_jar::save(&program).map_err(|error| anyhow::anyhow!("сборка jar: {error}"))?;
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noxis_jar::write_file(&args.output, &entries)
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.with_context(|| format!("запись {}", args.output.display()))?;
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let report_path = args
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.report
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.unwrap_or_else(|| args.output.with_extension("report.json"));
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std::fs::write(
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&report_path,
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serde_json::to_string_pretty(&SerializableReport::from(&report, &ctx))?,
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)
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.with_context(|| format!("отчёт {}", report_path.display()))?;
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std::fs::write(
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args.output.with_extension("mapping.txt"),
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ctx.mapping.to_text(),
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)?;
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println!(
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"noxis: {} → {} (классов: {}, подписей срезано: {}, отчёт: {})",
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args.input.display(),
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args.output.display(),
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report.counters.get("classes").copied().unwrap_or(0),
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stripped,
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report_path.display()
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);
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Ok(())
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}
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/// Отчёт в JSON: сид, пассы, счётчики, маппинги текстом.
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#[derive(Debug, serde::Serialize)]
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struct SerializableReport {
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seed: u64,
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passes: Vec<PassEntry>,
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counters: std::collections::BTreeMap<String, usize>,
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notes: Vec<String>,
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mapping: String,
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}
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#[derive(Debug, serde::Serialize)]
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struct PassEntry {
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pass: String,
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transformed: usize,
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skipped: usize,
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notes: Vec<String>,
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}
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impl SerializableReport {
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fn from(report: &noxis_core::Report, ctx: &Context) -> Self {
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Self {
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seed: report.seed,
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passes: report
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.passes
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.iter()
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.map(|pass| PassEntry {
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pass: pass.pass.to_string(),
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transformed: pass.transformed,
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skipped: pass.skipped,
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notes: pass.notes.clone(),
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})
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.collect(),
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counters: report.counters.clone(),
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notes: report.notes.clone(),
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mapping: ctx.mapping.to_text(),
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}
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}
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}
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#[cfg(test)]
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mod tests {
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#![allow(clippy::expect_used, clippy::unwrap_used)]
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use super::*;
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fn sample_jar(path: &std::path::Path) {
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use noxis_classfile::{ClassBuilder, Code, Insn, Program, Version};
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let code = Code {
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max_stack: 0,
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max_locals: 0,
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insns: vec![Insn::Return(None)],
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exception_table: Vec::new(),
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frames: Vec::new(),
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attributes: Vec::new(),
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};
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let program = Program {
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classes: vec![
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ClassBuilder::new("demo/App", Some("java/lang/Object"))
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.version(Version::JAVA_21)
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.method_with_code(0x0009, "run", "()V", code)
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.build(),
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],
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resources: Vec::new(),
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};
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let entries = noxis_jar::save(&program).expect("save");
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noxis_jar::write_file(path, &entries).expect("write jar");
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}
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#[test]
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fn obfuscate_end_to_end() {
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let dir = std::env::temp_dir().join(format!("noxis-cli-{}", std::process::id()));
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let _ = std::fs::remove_dir_all(&dir);
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std::fs::create_dir_all(&dir).expect("mkdir");
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let input = dir.join("in.jar");
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let output = dir.join("out.jar");
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sample_jar(&input);
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run(Args {
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input: input.clone(),
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output: output.clone(),
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config: None,
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seed: Some(5),
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report: None,
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no_rename: false,
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no_resources: false,
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no_strings: false,
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no_constants: false,
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no_noise: false,
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no_debug_info: false,
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no_flow: false,
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})
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.expect("obfuscate");
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assert!(output.exists(), "нет выходного jar");
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assert!(dir.join("out.report.json").exists(), "нет отчёта");
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assert!(dir.join("out.mapping.txt").exists(), "нет маппингов");
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let _ = std::fs::remove_dir_all(&dir);
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}
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#[test]
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fn no_flow_is_honest_error() {
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let args = Args {
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input: PathBuf::from("in.jar"),
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output: PathBuf::from("out.jar"),
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config: None,
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seed: None,
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report: None,
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no_rename: false,
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no_resources: false,
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no_strings: false,
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no_constants: false,
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no_noise: false,
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no_debug_info: false,
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no_flow: true,
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};
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assert!(run(args).is_err());
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}
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}
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