instant-smtp/fuzz/fuzz_targets/command.rs

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Rust
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#![no_main]
use libfuzzer_sys::fuzz_target;
use smtp_codec::parse::command::command;
fuzz_target!(|data: &[u8]| {
if let Ok((_, cmd)) = command(data) {
// Fuzzer created a valid SMTP command.
// dbg!(&cmd);
let cmd2 = {
// Let's serialize the command into bytes ...
let mut buf = Vec::new();
cmd.serialize(&mut buf).unwrap();
// ... parse it again ...
let (rem, cmd2) = command(&buf).unwrap();
assert!(rem.is_empty());
// dbg!(&cmd2);
cmd2
};
// ... and verify that we got the same results.
assert_eq!(cmd, cmd2);
}
});