SYS-OSS/FRET-LibAFL
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error handling

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This commit is contained in:
Dominik Maier 2020-10-29 20:24:10 +01:00
parent dce4783eb0
commit 1fc5f1d6e5
4 changed files with 13 additions and 9 deletions
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4
src/corpus/mod.rs
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@ -117,7 +117,7 @@ impl<RandT: Rand> Corpus for QueueCorpus<'_, RandT> {
/// Gets the next entry /// Gets the next entry
fn get(&mut self) -> Result<&Box<dyn Testcase>, AflError> { fn get(&mut self) -> Result<&Box<dyn Testcase>, AflError> {
if self.count() == 0 { if self.count() == 0 {
return Err(AflError::Unknown); // TODO(andrea) why unknown? use EmptyContainerError or similar return Err(AflError::Empty("Testcases".to_string()));
} }
self.pos = self.pos + 1; self.pos = self.pos + 1;
if self.pos >= self.count() { if self.pos >= self.count() {
@ -156,7 +156,7 @@ pub struct SimpleTestcase {
impl Testcase for SimpleTestcase { impl Testcase for SimpleTestcase {
fn load_input(&mut self) -> Result<&Box<dyn Input>, AflError> { fn load_input(&mut self) -> Result<&Box<dyn Input>, AflError> {
// TODO: Implement // TODO: Implement
Err(AflError::Unknown) Err(AflError::NotImplemented("load_input".to_string()))
} }
fn is_on_disk(&self) -> bool { fn is_on_disk(&self) -> bool {

6
src/executors/mod.rs
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@ -124,7 +124,7 @@ impl Executor for InMemoryExecutor {
fn run_target(&mut self) -> Result<ExitKind, AflError> { fn run_target(&mut self) -> Result<ExitKind, AflError> {
let bytes = match self.base.cur_input.as_ref() { let bytes = match self.base.cur_input.as_ref() {
Some(i) => i.serialize(), Some(i) => i.serialize(),
None => return Err(AflError::Unknown), None => return Err(AflError::Empty("cur_input".to_string())),
}; };
unsafe { unsafe {
CURRENT_INMEMORY_EXECUTOR_PTR = self as *const InMemoryExecutor; CURRENT_INMEMORY_EXECUTOR_PTR = self as *const InMemoryExecutor;
@ -203,10 +203,10 @@ mod tests {
impl Observer for Nopserver { impl Observer for Nopserver {
fn reset(&mut self) -> Result<(), AflError> { fn reset(&mut self) -> Result<(), AflError> {
Err(AflError::Unknown) Err(AflError::Unknown("Nop reset, testing only".to_string()))
} }
fn post_exec(&mut self) -> Result<(), AflError> { fn post_exec(&mut self) -> Result<(), AflError> {
Err(AflError::Unknown) Err(AflError::Unknown("Nop exec, testing only".to_string()))
} }
fn as_any(&self) -> &dyn Any { fn as_any(&self) -> &dyn Any {

8
src/lib.rs
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@ -20,8 +20,12 @@ pub enum AflError {
File(#[from] io::Error), File(#[from] io::Error),
#[error("Key `{0}` not in Corpus")] #[error("Key `{0}` not in Corpus")]
KeyNotFound(String), KeyNotFound(String),
#[error("Unknown error")] #[error("No items in {0}")]
Unknown, Empty(String),
#[error("Not implemented: {0}")]
NotImplemented(String),
#[error("Unknown error: {0}")]
Unknown(String),
} }
#[cfg(test)] #[cfg(test)]

2
src/stages/mutational.rs
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@ -10,7 +10,7 @@ impl Stage for MutationalStage {
fn Perform(&mut self, input: &Input, entry: &mut Entry) -> Result<(), AflError> { fn Perform(&mut self, input: &Input, entry: &mut Entry) -> Result<(), AflError> {
// TODO: Implement me // TODO: Implement me
Err(AflError::Unknown); Err(AflError::NotImplemented("Stage does not perform yet"));
} }
} }