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|
use crate::prelude::*;
use std::io::Read as _;
#[derive(serde::Deserialize, Debug, Default)]
pub struct Config {
server: crate::config::Server,
}
impl crate::config::Config for Config {
fn merge_args<'a>(
&mut self,
matches: &clap::ArgMatches<'a>,
) -> Result<()> {
self.server.merge_args(matches)
}
fn run(&self) -> Result<()> {
let (acceptor, server) =
if let Some(tls_identity_file) = &self.server.tls_identity_file {
create_server_tls(
self.server.listen_address,
self.server.buffer_size,
self.server.read_timeout,
tls_identity_file,
self.server.allowed_login_methods.clone(),
)?
} else {
create_server(
self.server.listen_address,
self.server.buffer_size,
self.server.read_timeout,
self.server.allowed_login_methods.clone(),
)?
};
tokio::run(futures::future::lazy(move || {
tokio::spawn(server.map_err(|e| {
eprintln!("{}", e);
}));
acceptor.map_err(|e| {
eprintln!("{}", e);
})
}));
Ok(())
}
}
pub fn cmd<'a, 'b>(app: clap::App<'a, 'b>) -> clap::App<'a, 'b> {
crate::config::Server::cmd(app.about("Run a teleterm server"))
}
pub fn config(config: config::Config) -> Box<dyn crate::config::Config> {
Box::new(config.try_into().unwrap_or_else(|e| {
log::warn!("failed to parse config data: {}", e);
Config::default()
}))
}
fn create_server(
address: std::net::SocketAddr,
buffer_size: usize,
read_timeout: std::time::Duration,
allowed_login_methods: std::collections::HashSet<
crate::protocol::AuthType,
>,
) -> Result<(
Box<dyn futures::future::Future<Item = (), Error = Error> + Send>,
Box<dyn futures::future::Future<Item = (), Error = Error> + Send>,
)> {
let (mut sock_w, sock_r) = tokio::sync::mpsc::channel(100);
let listener = tokio::net::TcpListener::bind(&address)
.context(crate::error::Bind { address })?;
let acceptor = listener
.incoming()
.context(crate::error::Acceptor)
.for_each(move |sock| {
sock_w
.try_send(sock)
.context(crate::error::SendSocketChannel)
});
let server = crate::server::Server::new(
buffer_size,
read_timeout,
sock_r,
allowed_login_methods,
);
Ok((Box::new(acceptor), Box::new(server)))
}
fn create_server_tls(
address: std::net::SocketAddr,
buffer_size: usize,
read_timeout: std::time::Duration,
tls_identity_file: &str,
allowed_login_methods: std::collections::HashSet<
crate::protocol::AuthType,
>,
) -> Result<(
Box<dyn futures::future::Future<Item = (), Error = Error> + Send>,
Box<dyn futures::future::Future<Item = (), Error = Error> + Send>,
)> {
let (mut sock_w, sock_r) = tokio::sync::mpsc::channel(100);
let listener = tokio::net::TcpListener::bind(&address)
.context(crate::error::Bind { address })?;
let mut file = std::fs::File::open(tls_identity_file).context(
crate::error::OpenFileSync {
filename: tls_identity_file,
},
)?;
let mut identity = vec![];
file.read_to_end(&mut identity)
.context(crate::error::ReadFileSync)?;
let identity = native_tls::Identity::from_pkcs12(&identity, "")
.context(crate::error::ParseIdentity)?;
let acceptor = native_tls::TlsAcceptor::new(identity)
.context(crate::error::CreateAcceptor)?;
let acceptor = tokio_tls::TlsAcceptor::from(acceptor);
let acceptor = listener
.incoming()
.context(crate::error::Acceptor)
.for_each(move |sock| {
let sock = acceptor.accept(sock);
sock_w
.try_send(sock)
.map_err(|_| Error::SendSocketChannelTls {})
});
let server = crate::server::tls::Server::new(
buffer_size,
read_timeout,
sock_r,
allowed_login_methods,
);
Ok((Box::new(acceptor), Box::new(server)))
}
|
