1 // Copyright 2021 Ian Jackson and contributors to Hippotat
2 // SPDX-License-Identifier: GPL-3.0-or-later
3 // There is NO WARRANTY.
5 use hippotat::prelude::*;
7 #[derive(StructOpt,Debug)]
16 const METADATA_MAX_LEN: usize = MAX_OVERHEAD;
21 req: hyper::Request<hyper::Body>
22 ) -> Result<hyper::Response<hyper::Body>, Infallible> {
23 if req.method() == Method::GET {
24 let mut resp = hyper::Response::new(hyper::Body::from("hippotat\r\n"));
25 resp.headers_mut().insert(
27 "text/plain; charset=US-ASCII".try_into().unwrap()
32 let mut warnings: Warnings = default();
36 let mkboundary = |b: &'_ _| format!("\n--{}", b).into_bytes();
37 let boundary = match (||{
38 let mut ctypes = req.headers().get_all("Content-Type").iter();
39 let t = ctypes.next().ok_or_else(|| anyhow!("missing Content-Type"))?;
40 if ctypes.next().is_some() { throw!(anyhow!("several Content-Type")) }
41 let t = t.to_str().context("interpret Content-Type as utf-8")?;
42 let t: mime::Mime = t.parse().context("parse Content-Type")?;
43 if t.type_() != "multipart" { throw!(anyhow!("not multipart/")) }
44 let b = mime::BOUNDARY;
45 let b = t.get_param(b).ok_or_else(|| anyhow!("missing boundary=..."))?;
46 if t.subtype() != "form-data" {
47 warnings.add(&"Content-Type not /form-data")?;
49 let b = mkboundary(b.as_str());
54 warnings.add(&e.wrap_err("guessing boundary"))?;
59 let mut body = req.into_body();
60 let initial = match read_limited_bytes(METADATA_MAX_LEN, &mut body).await {
62 Err(ReadLimitedError::Truncated { sofar,.. }) => sofar,
63 Err(ReadLimitedError::Hyper(e)) => throw!(e),
66 let finder = memmem::Finder::new(&boundary);
67 let mut find_iter = finder.find_iter(&initial);
69 let start = if initial.starts_with(&boundary[1..]) { boundary.len()-1 }
70 else if let Some(start) = find_iter.next() { start + boundary.len() }
71 else { throw!(anyhow!("initial boundary not found")) };
73 let comp = multipart::process_component
74 (&mut warnings, &initial[start..], PartName::m)?
75 .ok_or_else(|| anyhow!(r#"no "m" component"#))?;
77 if comp.name != PartName::m { throw!(anyhow!(
78 r#"first multipart component must be name="m""#
81 let nl = memchr::memchr2(b'\r', b'\n', comp.payload_start)
82 .ok_or_else(|| anyhow!("no newline in first metadata line?"))?;
84 let client = &comp.payload_start[0..nl];
85 let client = str::from_utf8(client).context("client addr utf-8")?;
86 let client: IpAddr = client.parse().context("client address")?;
88 eprintln!("boundary={:?} start={} name={:?} client={}",
89 boundary, start, &comp.name, client);
96 eprintln!("error={}", e);
100 eprintln!("warnings={:?}", &warnings);
102 Ok(hyper::Response::new(hyper::Body::from("Hello World")))
108 let opts = Opts::from_args();
109 let mut hservers = vec![];
110 let (ics,(global,ipif)) = config::startup(
111 "hippotatd", LinkEnd::Server,
112 &opts.config, &opts.log, |ics|
114 let global = config::InstanceConfigGlobal::from(&ics);
115 let ipif = Ipif::start(&global.ipif, None)?;
117 let make_service = hyper::service::make_service_fn(|_conn| async {
118 Ok::<_, Infallible>(hyper::service::service_fn(handle))
121 for addr in &global.addrs {
122 let addr = SocketAddr::new(*addr, global.port);
123 let server = hyper::Server::try_bind(&addr)
125 .http1_preserve_header_case(true)
126 .serve(make_service);
127 info!("listening on {}", &addr);
128 let task = tokio::task::spawn(server);
135 let x = future::select_all(&mut hservers).await;
136 error!("xxx hserver {:?}", &x);
138 ipif.quitting(None).await;