trident_fuzz/config/mod.rs
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pub mod afl;
pub mod constants;
pub mod fuzz;
pub mod honggfuzz;
use afl::*;
use constants::*;
use fuzz::*;
use honggfuzz::*;
use anyhow::Context;
use fehler::throw;
use serde::Deserialize;
use std::{env, fs, io, path::PathBuf};
use thiserror::Error;
#[derive(Error, Debug)]
pub enum Error {
#[error("invalid workspace")]
BadWorkspace,
#[error("{0:?}")]
Anyhow(#[from] anyhow::Error),
#[error("{0:?}")]
Io(#[from] io::Error),
#[error("{0:?}")]
Toml(#[from] toml::de::Error),
}
#[derive(Debug, Deserialize, Clone)]
pub struct Config {
pub honggfuzz: HonggFuzz,
pub afl: Afl,
pub fuzz: Fuzz,
}
#[derive(Default, Debug, Deserialize, Clone)]
struct _Config {
#[serde(default)]
pub honggfuzz: Option<_HonggFuzz>,
#[serde(default)]
pub afl: Option<_Afl>,
#[serde(default)]
pub fuzz: Option<_Fuzz>,
}
impl From<_Config> for Config {
fn from(_c: _Config) -> Self {
Self {
honggfuzz: _c.honggfuzz.unwrap_or_default().into(),
afl: _c.afl.unwrap_or_default().into(),
fuzz: _c.fuzz.unwrap_or_default().into(),
}
}
}
impl Default for Config {
fn default() -> Self {
Self::new()
}
}
impl Config {
pub fn new() -> Self {
let root = discover_root().expect("failed to find the root folder");
let s = fs::read_to_string(root.join(TRIDENT_TOML).as_path())
.expect("failed to read the Trident config file");
let _config: _Config = toml::from_str(&s).expect("failed to parse the Trident config file");
_config.into()
}
pub fn get_honggfuzz_args(&self, cli_input: String) -> String {
let mut args = self.honggfuzz.get_collect_fuzz_args();
args.push(cli_input);
args.join(" ")
}
pub fn get_env_arg(&self, key: &EnvVariable) -> String {
let expect = format!("{:#?} not found", key);
self.honggfuzz.get_env_variable(key).expect(&expect)
}
pub fn get_afl_build_args(&self) -> Vec<String> {
self.afl.get_collect_build_args()
}
pub fn get_afl_fuzz_args(&self) -> Vec<String> {
self.afl.get_collect_fuzz_args()
}
pub fn get_afl_cargo_build_dir(&self) -> String {
self.afl
.get_cargo_build_dir()
.expect("AFL Cargo Target Dir argument not available")
.val
.clone()
.expect("AFL Cargo Target Dir value not available")
}
pub fn get_afl_target_path(&self) -> String {
let afl_arg = self
.afl
.get_cargo_build_dir()
.expect("AFL Cargo Target Dir argument not available");
let mut target_path = afl_arg
.val
.clone()
.expect("AFL Cargo Target Dir value not available");
target_path.push_str("/debug/");
target_path
}
pub fn get_afl_workspace_in(&self) -> String {
let afl_arg = self
.afl
.get_workspace_in()
.expect("AFL Workspace in value argument available");
afl_arg
.val
.clone()
.expect("AFL Workspace in value not available")
}
pub fn get_initial_seed(&self) -> &[AflSeed] {
&self.afl.seeds
}
pub fn get_fuzzing_with_stats(&self) -> bool {
self.fuzz.get_fuzzing_with_stats()
}
pub fn get_allow_duplicate_txs(&self) -> bool {
self.fuzz.get_allow_duplicate_txs()
}
}
/// Tries to find the root directory with the `Anchor.toml` file.
/// Throws an error when there is no directory with the `Anchor.toml` file
pub fn discover_root() -> Result<PathBuf, Error> {
let current_dir = env::current_dir()?;
let mut dir = Some(current_dir.as_path());
while let Some(cwd) = dir {
for file in std::fs::read_dir(cwd)
.with_context(|| format!("Error reading the directory with path: {}", cwd.display()))?
{
let path = file
.with_context(|| {
format!("Error reading the directory with path: {}", cwd.display())
})?
.path();
if let Some(filename) = path.file_name() {
if filename.to_str() == Some(ANCHOR_TOML) {
return Ok(PathBuf::from(cwd));
}
}
}
dir = cwd.parent();
}
throw!(Error::BadWorkspace)
}
// #[cfg(test)]
// mod tests {
// use super::*;
// #[test]
// fn test_merge_and_precedence1() {
// let config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// let env_var_string = config.get_honggfuzz_args(String::default());
// assert_eq!(
// env_var_string,
// "-t 10 -N 0 -r 6 -e fuzz --run_time 0 -F 1048576 "
// );
// }
// #[test]
// fn test_merge_and_precedence2() {
// let config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// let env_var_string = config.get_honggfuzz_args("-t 0 -N10 --exit_upon_crash".to_string());
// assert_eq!(
// env_var_string,
// "-t 10 -N 0 -r 6 -e fuzz --run_time 0 -F 1048576 -t 0 -N10 --exit_upon_crash"
// );
// }
// #[test]
// fn test_merge_and_precedence3() {
// let config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// let env_var_string =
// config.get_honggfuzz_args("-t 100 -N 5000 -Q -v --exit_upon_crash".to_string());
// assert_eq!(
// env_var_string,
// "-t 10 -N 0 -r 6 -e fuzz --run_time 0 -F 1048576 -t 100 -N 5000 -Q -v --exit_upon_crash"
// );
// }
// #[test]
// fn test_merge_and_precedence4() {
// let config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// let env_var_string = config.get_honggfuzz_args("-t 10 -N 500 -Q -v --exit_upon_crash -n 15 --mutations_per_run 8 --verifier -W random_dir --crashdir random_dir5 --run_time 666".to_string());
// assert_eq!(
// env_var_string,
// "-t 10 -N 0 -r 6 -e fuzz --run_time 0 -F 1048576 -t 10 -N 500 -Q -v --exit_upon_crash -n 15 --mutations_per_run 8 --verifier -W random_dir --crashdir random_dir5 --run_time 666"
// );
// }
// #[test]
// fn test_merge_and_precedence5() {
// let config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// let env_var_string = config.get_honggfuzz_args("-t 10 -N 500 -Q -v --exit_upon_crash -n 15 --verifier -W random_dir --crashdir random_dir5 --run_time 666".to_string());
// assert_eq!(
// env_var_string,
// "-t 10 -N 0 -r 6 -e fuzz --run_time 0 -F 1048576 -t 10 -N 500 -Q -v --exit_upon_crash -n 15 --verifier -W random_dir --crashdir random_dir5 --run_time 666"
// );
// }
// #[test]
// fn test_obtain_env_variables() {
// let config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// let cargo_target_dir = config.get_env_arg(&EnvVariable::CargoTargetDir);
// assert_eq!(cargo_target_dir, CARGO_TARGET_DIR_DEFAULT_HFUZZ);
// let hfuzz_workspace = config.get_env_arg(&EnvVariable::HfuzzWorkspace);
// assert_eq!(hfuzz_workspace, HFUZZ_WORKSPACE_DEFAULT_HFUZZ);
// }
// #[test]
// fn test_obtain_env_variables2() {
// let mut config = Config {
// honggfuzz: HonggFuzz::default(),
// afl: Afl::default(),
// fuzz: Fuzz::default(),
// };
// config
// .honggfuzz
// .env_variables
// .insert(EnvVariable::CargoTargetDir, "new_value_x".to_owned());
// config
// .honggfuzz
// .env_variables
// .insert(EnvVariable::HfuzzWorkspace, "new_value_y".to_owned());
// let cargo_target_dir = config.get_env_arg(&EnvVariable::CargoTargetDir);
// assert_eq!(cargo_target_dir, "new_value_x");
// let hfuzz_workspace = config.get_env_arg(&EnvVariable::HfuzzWorkspace);
// assert_eq!(hfuzz_workspace, "new_value_y");
// }
// }