Suricata

As part of the effort to remove libjansson, JSON parsing must be handled for incoming messages on the unix socket. JSON-Rust (https://github.com/maciejhirsz/json-rust) is a small JSON parser in Rust with no dependencies that could serve this purpose. Serde-JSON is another option but does have a higher load of dependencies, but arguable may be better supported with respect to issues and validation.