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An invoice is serialized as a TLV stream and encoded as bytes. Add a fuzz test that parses the TLV stream and deserializes the underlying Invoice. Then compare the original bytes with those obtained by re-serializing the Invoice.
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// This file is Copyright its original authors, visible in version control | ||
// history. | ||
// | ||
// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE | ||
// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option. | ||
// You may not use this file except in accordance with one or both of these | ||
// licenses. | ||
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// This file is auto-generated by gen_target.sh based on target_template.txt | ||
// To modify it, modify target_template.txt and run gen_target.sh instead. | ||
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#![cfg_attr(feature = "libfuzzer_fuzz", no_main)] | ||
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#[cfg(not(fuzzing))] | ||
compile_error!("Fuzz targets need cfg=fuzzing"); | ||
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extern crate lightning_fuzz; | ||
use lightning_fuzz::invoice_deser::*; | ||
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#[cfg(feature = "afl")] | ||
#[macro_use] extern crate afl; | ||
#[cfg(feature = "afl")] | ||
fn main() { | ||
fuzz!(|data| { | ||
invoice_deser_run(data.as_ptr(), data.len()); | ||
}); | ||
} | ||
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#[cfg(feature = "honggfuzz")] | ||
#[macro_use] extern crate honggfuzz; | ||
#[cfg(feature = "honggfuzz")] | ||
fn main() { | ||
loop { | ||
fuzz!(|data| { | ||
invoice_deser_run(data.as_ptr(), data.len()); | ||
}); | ||
} | ||
} | ||
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#[cfg(feature = "libfuzzer_fuzz")] | ||
#[macro_use] extern crate libfuzzer_sys; | ||
#[cfg(feature = "libfuzzer_fuzz")] | ||
fuzz_target!(|data: &[u8]| { | ||
invoice_deser_run(data.as_ptr(), data.len()); | ||
}); | ||
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#[cfg(feature = "stdin_fuzz")] | ||
fn main() { | ||
use std::io::Read; | ||
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let mut data = Vec::with_capacity(8192); | ||
std::io::stdin().read_to_end(&mut data).unwrap(); | ||
invoice_deser_run(data.as_ptr(), data.len()); | ||
} | ||
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#[test] | ||
fn run_test_cases() { | ||
use std::fs; | ||
use std::io::Read; | ||
use lightning_fuzz::utils::test_logger::StringBuffer; | ||
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use std::sync::{atomic, Arc}; | ||
{ | ||
let data: Vec<u8> = vec![0]; | ||
invoice_deser_run(data.as_ptr(), data.len()); | ||
} | ||
let mut threads = Vec::new(); | ||
let threads_running = Arc::new(atomic::AtomicUsize::new(0)); | ||
if let Ok(tests) = fs::read_dir("test_cases/invoice_deser") { | ||
for test in tests { | ||
let mut data: Vec<u8> = Vec::new(); | ||
let path = test.unwrap().path(); | ||
fs::File::open(&path).unwrap().read_to_end(&mut data).unwrap(); | ||
threads_running.fetch_add(1, atomic::Ordering::AcqRel); | ||
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let thread_count_ref = Arc::clone(&threads_running); | ||
let main_thread_ref = std::thread::current(); | ||
threads.push((path.file_name().unwrap().to_str().unwrap().to_string(), | ||
std::thread::spawn(move || { | ||
let string_logger = StringBuffer::new(); | ||
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let panic_logger = string_logger.clone(); | ||
let res = if ::std::panic::catch_unwind(move || { | ||
invoice_deser_test(&data, panic_logger); | ||
}).is_err() { | ||
Some(string_logger.into_string()) | ||
} else { None }; | ||
thread_count_ref.fetch_sub(1, atomic::Ordering::AcqRel); | ||
main_thread_ref.unpark(); | ||
res | ||
}) | ||
)); | ||
while threads_running.load(atomic::Ordering::Acquire) > 32 { | ||
std::thread::park(); | ||
} | ||
} | ||
} | ||
let mut failed_outputs = Vec::new(); | ||
for (test, thread) in threads.drain(..) { | ||
if let Some(output) = thread.join().unwrap() { | ||
println!("\nOutput of {}:\n{}\n", test, output); | ||
failed_outputs.push(test); | ||
} | ||
} | ||
if !failed_outputs.is_empty() { | ||
println!("Test cases which failed: "); | ||
for case in failed_outputs { | ||
println!("{}", case); | ||
} | ||
panic!(); | ||
} | ||
} |
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// This file is Copyright its original authors, visible in version control | ||
// history. | ||
// | ||
// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE | ||
// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option. | ||
// You may not use this file except in accordance with one or both of these | ||
// licenses. | ||
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use crate::utils::test_logger; | ||
use lightning::offers::invoice::Invoice; | ||
use lightning::util::ser::Writeable; | ||
use std::convert::TryFrom; | ||
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#[inline] | ||
pub fn do_test<Out: test_logger::Output>(data: &[u8], _out: Out) { | ||
// Serialization simply copies the de-serialized bytes, so no need to check the full round trip. | ||
if let Ok(invoice) = Invoice::try_from(data.to_vec()) { | ||
let mut bytes = Vec::with_capacity(data.len()); | ||
invoice.write(&mut bytes).unwrap(); | ||
assert_eq!(data, bytes); | ||
} | ||
} | ||
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pub fn invoice_deser_test<Out: test_logger::Output>(data: &[u8], out: Out) { | ||
do_test(data, out); | ||
} | ||
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#[no_mangle] | ||
pub extern "C" fn invoice_deser_run(data: *const u8, datalen: usize) { | ||
do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, test_logger::DevNull {}); | ||
} |
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