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This commit is contained in:
Andrea Fioraldi 2020-12-08 15:29:14 +01:00
parent 3267c93c8d
commit 6f6567e215
7 changed files with 58 additions and 39 deletions
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20
afl/src/engines/mod.rs
View File

@ -105,7 +105,11 @@ where
// TODO move some of these, like evaluate_input, to FuzzingEngine
/// Runs the input and triggers observers and feedback
pub fn evaluate_input<C, E, EM>(&mut self, input: &I, engine: &mut Engine<EM, E, C, I, R>) -> Result<u32, AflError>
pub fn evaluate_input<C, E, EM>(
&mut self,
input: &I,
engine: &mut Engine<EM, E, C, I, R>,
) -> Result<u32, AflError>
where
C: Corpus<I, R>,
E: Executor<I>,
@ -166,7 +170,7 @@ where
fitness: u32,
) -> Result<Option<usize>, AflError>
where
C: Corpus<I, R>
C: Corpus<I, R>,
{
if fitness > 0 {
let testcase = self.input_to_testcase(input, fitness)?;
@ -225,7 +229,7 @@ where
{
manager: EM,
executor: E,
phantom: PhantomData<(C, I, R)>
phantom: PhantomData<(C, I, R)>,
}
impl<EM, E, C, I, R> Engine<EM, E, C, I, R>
@ -260,7 +264,7 @@ where
Self {
executor: executor,
manager: events_manager,
phantom: PhantomData
phantom: PhantomData,
}
}
}
@ -328,7 +332,6 @@ where
}
}
}
}
pub struct StdFuzzer<EM, E, C, I, R>
@ -368,12 +371,9 @@ where
R: Rand,
{
pub fn new() -> Self {
Self {
stages: vec![]
Self { stages: vec![] }
}
}
}
// TODO: no_std test
#[cfg(feature = "std")]
@ -386,7 +386,7 @@ mod tests {
use std::io::stderr;
use crate::corpus::{Corpus, InMemoryCorpus, Testcase};
use crate::engines::{Engine, Fuzzer, StdFuzzer, State};
use crate::engines::{Engine, Fuzzer, State, StdFuzzer};
#[cfg(feature = "std")]
use crate::events::LoggerEventManager;
use crate::executors::inmemory::InMemoryExecutor;

2
afl/src/executors/inmemory.rs
View File

@ -3,8 +3,8 @@ use core::ptr;
use crate::executors::{Executor, ExitKind};
use crate::inputs::Input;
use crate::serde_anymap::NamedSerdeAnyMap;
use crate::observers::Observer;
use crate::serde_anymap::NamedSerdeAnyMap;
use crate::AflError;
type HarnessFunction<I> = fn(&dyn Executor<I>, &[u8]) -> ExitKind;

5
afl/src/executors/mod.rs
View File

@ -1,8 +1,8 @@
pub mod inmemory;
use crate::inputs::Input;
use crate::serde_anymap::NamedSerdeAnyMap;
use crate::observers::Observer;
use crate::serde_anymap::NamedSerdeAnyMap;
use crate::AflError;
pub enum ExitKind {
@ -39,7 +39,8 @@ where
/// Run the post exec hook for all the observes linked to this executor
fn post_exec_observers(&mut self) -> Result<(), AflError> {
self.observers_mut().for_each_mut(|_, x| Ok(x.post_exec()?))?;
self.observers_mut()
.for_each_mut(|_, x| Ok(x.post_exec()?))?;
Ok(())
}
}

14
afl/src/feedbacks/mod.rs
View File

@ -4,7 +4,7 @@ use num::Integer;
use crate::corpus::{Testcase, TestcaseMetadata};
use crate::inputs::Input;
use crate::observers::{Observer, MapObserver};
use crate::observers::{MapObserver, Observer};
use crate::serde_anymap::NamedSerdeAnyMap;
use crate::AflError;
@ -13,7 +13,11 @@ where
I: Input,
{
/// is_interesting should return the "Interestingness" from 0 to 255 (percent times 2.55)
fn is_interesting(&mut self, input: &I, observers: &NamedSerdeAnyMap<dyn Observer>) -> Result<u32, AflError>;
fn is_interesting(
&mut self,
input: &I,
observers: &NamedSerdeAnyMap<dyn Observer>,
) -> Result<u32, AflError>;
/// Append to the testcase the generated metadata in case of a new corpus item
fn append_metadata(&mut self, _testcase: &mut Testcase<I>) -> Result<(), AflError> {
@ -98,7 +102,11 @@ where
O: MapObserver<T> + 'static,
I: Input,
{
fn is_interesting(&mut self, _input: &I, observers: &NamedSerdeAnyMap<dyn Observer>) -> Result<u32, AflError> {
fn is_interesting(
&mut self,
_input: &I,
observers: &NamedSerdeAnyMap<dyn Observer>,
) -> Result<u32, AflError> {
let mut interesting = 0;
// TODO optimize
let observer = observers.get::<O>(self.name).unwrap();

4
afl/src/observers/mod.rs
View File

@ -97,14 +97,14 @@ where
fn map(&self) -> &[T] {
match &self.map {
SliceMut::Ref(r) => r,
SliceMut::Owned(v) => v.as_slice()
SliceMut::Owned(v) => v.as_slice(),
}
}
fn map_mut(&mut self) -> &mut [T] {
match &mut self.map {
SliceMut::Ref(r) => r,
SliceMut::Owned(v) => v.as_mut_slice()
SliceMut::Owned(v) => v.as_mut_slice(),
}
}

35
afl/src/serde_anymap.rs
View File

@ -231,7 +231,9 @@ where
pub fn by_typeid(&self, name: &'static str, typeid: &TypeId) -> Option<&B> {
match self.map.get(&unpack_type_id(*typeid)) {
None => None,
Some(h) => h.get(&xxhash_rust::xxh3::xxh3_64(name.as_bytes())).map(|x| x.as_ref()),
Some(h) => h
.get(&xxhash_rust::xxh3::xxh3_64(name.as_bytes()))
.map(|x| x.as_ref()),
}
}
@ -250,13 +252,13 @@ where
pub fn by_typeid_mut(&mut self, name: &'static str, typeid: &TypeId) -> Option<&mut B> {
match self.map.get_mut(&unpack_type_id(*typeid)) {
None => None,
Some(h) => h.get_mut(&xxhash_rust::xxh3::xxh3_64(name.as_bytes())).map(|x| x.as_mut()),
Some(h) => h
.get_mut(&xxhash_rust::xxh3::xxh3_64(name.as_bytes()))
.map(|x| x.as_mut()),
}
}
pub fn get_all<T>(
&self,
) -> Option<core::iter::Map<Values<'_, u64, Box<B>>, fn(&Box<B>) -> &T>>
pub fn get_all<T>(&self) -> Option<core::iter::Map<Values<'_, u64, Box<B>>, fn(&Box<B>) -> &T>>
where
T: Any,
{
@ -294,19 +296,23 @@ where
pub fn all_by_typeid_mut(
&mut self,
typeid: &TypeId,
) -> Option<core::iter::Map<ValuesMut<'_, u64, Box<B>>, fn(&mut Box<B>) -> &mut B>>
{
) -> Option<core::iter::Map<ValuesMut<'_, u64, Box<B>>, fn(&mut Box<B>) -> &mut B>> {
match self.map.get_mut(&unpack_type_id(*typeid)) {
None => None,
Some(h) => Some(h.values_mut().map(|x| x.as_mut())),
}
}
pub fn all_typeids(&self) -> core::iter::Map<Keys<'_, u64, HashMap<u64, Box<B>>>, fn(&u64) -> TypeId> {
pub fn all_typeids(
&self,
) -> core::iter::Map<Keys<'_, u64, HashMap<u64, Box<B>>>, fn(&u64) -> TypeId> {
self.map.keys().map(|x| pack_type_id(*x))
}
pub fn for_each(&self, func: fn(&TypeId, &Box<B>) -> Result<(), AflError>) -> Result<(), AflError> {
pub fn for_each(
&self,
func: fn(&TypeId, &Box<B>) -> Result<(), AflError>,
) -> Result<(), AflError> {
for (id, h) in self.map.iter() {
for x in h.values() {
func(&pack_type_id(*id), x)?;
@ -315,7 +321,10 @@ where
Ok(())
}
pub fn for_each_mut(&mut self, func: fn(&TypeId, &mut Box<B>) -> Result<(), AflError>) -> Result<(), AflError> {
pub fn for_each_mut(
&mut self,
func: fn(&TypeId, &mut Box<B>) -> Result<(), AflError>,
) -> Result<(), AflError> {
for (id, h) in self.map.iter_mut() {
for x in h.values_mut() {
func(&pack_type_id(*id), x)?;
@ -329,7 +338,10 @@ where
if !self.map.contains_key(&id) {
self.map.insert(id, HashMap::default());
}
self.map.get_mut(&id).unwrap().insert(xxhash_rust::xxh3::xxh3_64(name.as_bytes()), val);
self.map
.get_mut(&id)
.unwrap()
.insert(xxhash_rust::xxh3::xxh3_64(name.as_bytes()), val);
}
pub fn len(&self) -> usize {
@ -440,4 +452,3 @@ where
Deserialize::deserialize(deserializer).map(SliceMut::Owned)
}
}

3
afl/src/stages/mutational.rs
View File

@ -81,8 +81,7 @@ where
phantom: PhantomData<(EM, E, C, I, R)>,
}
impl<M, EM, E, C, I, R> MutationalStage<M, EM, E, C, I, R>
for StdMutationalStage<M, EM, E, C, I, R>
impl<M, EM, E, C, I, R> MutationalStage<M, EM, E, C, I, R> for StdMutationalStage<M, EM, E, C, I, R>
where
M: Mutator<C, I, R>,
EM: EventManager<C, E, I, R>,