libafl 0.15.4

Slot your own fuzzers together and extend their features using Rust
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//! Hooks for the executors.
//! These will be executed right before and after the executor's harness run.

/// windows crash/timeout handler and asan death callback
#[cfg(all(windows, feature = "std"))]
pub mod windows;

/// *nix crash handler
#[cfg(all(unix, feature = "std"))]
pub mod unix;

#[cfg(all(feature = "std", unix))]
/// The hook for inprocess fork executor
pub mod inprocess_fork;

/// The hook for inprocess executor
pub mod inprocess;

/// Timer-related stuff
#[cfg(feature = "std")]
pub mod timer;

/// Intel Processor Trace (PT)
#[cfg(all(feature = "intel_pt", target_os = "linux"))]
pub mod intel_pt;

/// The hook that runs before and after the executor runs the target
pub trait ExecutorHook<I, S> {
    /// Init this hook
    fn init(&mut self, state: &mut S);
    /// The hook that runs before runs the target
    fn pre_exec(&mut self, state: &mut S, input: &I);
    /// The hook that runs before runs the target
    fn post_exec(&mut self, state: &mut S, input: &I);
}

/// The hook that runs before and after the executor runs the target
pub trait ExecutorHooksTuple<I, S> {
    /// Init these hooks
    fn init_all(&mut self, state: &mut S);
    /// The hooks that runs before runs the target
    fn pre_exec_all(&mut self, state: &mut S, input: &I);
    /// The hooks that runs after runs the target
    fn post_exec_all(&mut self, state: &mut S, input: &I);
}

impl<I, S> ExecutorHooksTuple<I, S> for () {
    fn init_all(&mut self, _state: &mut S) {}
    fn pre_exec_all(&mut self, _state: &mut S, _input: &I) {}
    fn post_exec_all(&mut self, _state: &mut S, _input: &I) {}
}

impl<Head, Tail, I, S> ExecutorHooksTuple<I, S> for (Head, Tail)
where
    Head: ExecutorHook<I, S>,
    Tail: ExecutorHooksTuple<I, S>,
{
    fn init_all(&mut self, state: &mut S) {
        self.0.init(state);
        self.1.init_all(state);
    }

    fn pre_exec_all(&mut self, state: &mut S, input: &I) {
        self.0.pre_exec(state, input);
        self.1.pre_exec_all(state, input);
    }

    fn post_exec_all(&mut self, state: &mut S, input: &I) {
        self.0.post_exec(state, input);
        self.1.post_exec_all(state, input);
    }
}