#![no_main]
//! Fuzz `protocol::from_body` (bincode deserialization) for every protocol and
//! native struct that is decoded from untrusted wire bytes. None may panic.

use libfuzzer_sys::fuzz_target;

use dosh::auth::{AttachTicketPlain, BootstrapResponse, SealedAttachTicket};
use dosh::native::{
    HostPublicKey, NativeAuthOk, NativeClientHello, NativeServerHello, NativeUserAuth,
};
use dosh::protocol::{
    self, AttachOk, AttachReject, BootstrapAttachRequest, Frame, Input, NativeAuthCheckOkBody,
    NativeAuthOkBody, NativeClientHelloBody, NativeServerHelloBody, NativeUserAuthBody, Resize,
    ResumeRequest, StreamClose, StreamData, StreamEof, StreamOpen, StreamOpenOk, StreamOpenReject,
    StreamWindowAdjust, TicketAttachBody, TicketAttachEnvelope, TicketAttachOkEnvelope,
};

macro_rules! try_body {
    ($data:expr, $ty:ty) => {
        let _ = protocol::from_body::<$ty>($data);
    };
}

fuzz_target!(|data: &[u8]| {
    // protocol.rs structs
    try_body!(data, BootstrapAttachRequest);
    try_body!(data, TicketAttachEnvelope);
    try_body!(data, TicketAttachBody);
    try_body!(data, TicketAttachOkEnvelope);
    try_body!(data, AttachOk);
    try_body!(data, AttachReject);
    try_body!(data, ResumeRequest);
    try_body!(data, Input);
    try_body!(data, Resize);
    try_body!(data, Frame);
    try_body!(data, StreamOpen);
    try_body!(data, StreamOpenOk);
    try_body!(data, StreamOpenReject);
    try_body!(data, StreamData);
    try_body!(data, StreamWindowAdjust);
    try_body!(data, StreamEof);
    try_body!(data, StreamClose);

    // native handshake wrapper bodies
    try_body!(data, NativeClientHelloBody);
    try_body!(data, NativeServerHelloBody);
    try_body!(data, NativeUserAuthBody);
    try_body!(data, NativeAuthOkBody);
    try_body!(data, NativeAuthCheckOkBody);

    // bare native handshake structs
    try_body!(data, NativeClientHello);
    try_body!(data, NativeServerHello);
    try_body!(data, NativeUserAuth);
    try_body!(data, NativeAuthOk);
    try_body!(data, HostPublicKey);

    // auth.rs structs
    try_body!(data, BootstrapResponse);
    try_body!(data, SealedAttachTicket);
    try_body!(data, AttachTicketPlain);
});