reproducing a crash in FL_Flex
_
parent
e6cf9e2b72
commit
f99c4e8488
|
|
@ -1215,20 +1215,7 @@ dependencies = [
|
|||
name = "ptth_quic_client_gui"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"blake3",
|
||||
"fltk",
|
||||
"quic_demo",
|
||||
"quinn",
|
||||
"rand",
|
||||
"rand_chacha",
|
||||
"reqwest",
|
||||
"rmp-serde",
|
||||
"serde",
|
||||
"structopt",
|
||||
"tokio",
|
||||
"tracing",
|
||||
"tracing-subscriber",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
|
|||
|
|
@ -1,24 +1,10 @@
|
|||
[package]
|
||||
name = "ptth_quic_client_gui"
|
||||
version = "0.1.0"
|
||||
authors = ["Trish"]
|
||||
authors = []
|
||||
edition = "2018"
|
||||
license = "AGPL-3.0"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
anyhow = "1.0.38"
|
||||
blake3 = "1.0.0"
|
||||
fltk = "1.2.7"
|
||||
quic_demo = { path = "../quic_demo" }
|
||||
quinn = "0.7.2"
|
||||
rand = "0.8.4"
|
||||
rand_chacha = "0.3.1"
|
||||
reqwest = "0.11.4"
|
||||
rmp-serde = "0.15.5"
|
||||
serde = "1.0.130"
|
||||
structopt = "0.3.20"
|
||||
tokio = { version = "1.8.1", features = ["full"] }
|
||||
tracing-subscriber = "0.2.16"
|
||||
tracing = "0.1.25"
|
||||
|
|
|
|||
|
|
@ -1,393 +1,39 @@
|
|||
use std::{
|
||||
str::FromStr,
|
||||
};
|
||||
use fltk::prelude::*;
|
||||
use fltk::group::Flex;
|
||||
|
||||
use fltk::{
|
||||
app,
|
||||
button::Button,
|
||||
enums::CallbackTrigger,
|
||||
frame::Frame,
|
||||
group::Flex,
|
||||
input::*,
|
||||
prelude::*,
|
||||
window::Window
|
||||
};
|
||||
use rand::{
|
||||
Rng,
|
||||
SeedableRng,
|
||||
};
|
||||
use structopt::StructOpt;
|
||||
use tokio::runtime::Runtime;
|
||||
|
||||
use quic_demo::{
|
||||
client_proxy::*,
|
||||
prelude::*,
|
||||
protocol::PeerId,
|
||||
};
|
||||
|
||||
#[derive (Debug, StructOpt)]
|
||||
struct Opt {
|
||||
#[structopt (long)]
|
||||
window_title: Option <String>,
|
||||
#[structopt (long)]
|
||||
relay_addr: Option <String>,
|
||||
#[structopt (long)]
|
||||
client_id: Option <PeerId>,
|
||||
#[structopt (long)]
|
||||
cert_url: Option <String>,
|
||||
}
|
||||
|
||||
#[derive (Clone, Copy)]
|
||||
enum Message {
|
||||
OpenPort (usize),
|
||||
ClosePort (usize),
|
||||
AddPort,
|
||||
}
|
||||
|
||||
struct GuiClient <'a> {
|
||||
rt: &'a Runtime,
|
||||
frame_status: Frame,
|
||||
ports: Vec <Port>,
|
||||
}
|
||||
|
||||
struct Port {
|
||||
gui: GuiPort,
|
||||
forwarding_instance: Option <ForwardingInstance>,
|
||||
}
|
||||
|
||||
impl Port {
|
||||
pub fn open_port (&mut self, rt: &Runtime, connection_p2_p3: quinn::Connection)
|
||||
-> anyhow::Result <()>
|
||||
{
|
||||
let params = self.gui.get_params ()?;
|
||||
|
||||
let _guard = rt.enter ();
|
||||
let forwarding_instance = rt.block_on (ForwardingInstance::new (
|
||||
connection_p2_p3,
|
||||
params,
|
||||
))?;
|
||||
|
||||
self.gui.input_client_port.set_value (&forwarding_instance.local_port ().to_string ());
|
||||
|
||||
self.forwarding_instance.replace (forwarding_instance);
|
||||
self.gui.set_forwarding (true);
|
||||
|
||||
Ok (())
|
||||
}
|
||||
}
|
||||
|
||||
struct GuiPort {
|
||||
row: fltk::group::Flex,
|
||||
input_client_port: Input,
|
||||
input_server_id: Input,
|
||||
input_server_port: Input,
|
||||
but_open: Button,
|
||||
but_close: Button,
|
||||
}
|
||||
|
||||
impl GuiClient <'_> {
|
||||
pub fn open_port (
|
||||
&mut self,
|
||||
connection_p2_p3: quinn::Connection,
|
||||
port_idx: usize,
|
||||
) -> anyhow::Result <()>
|
||||
{
|
||||
self.ports [port_idx].open_port (&self.rt, connection_p2_p3)?;
|
||||
self.sync_status ();
|
||||
|
||||
Ok (())
|
||||
}
|
||||
|
||||
pub fn close_port (&mut self, port_idx: usize) -> anyhow::Result <()> {
|
||||
if let Some (old_instance) = self.ports [port_idx].forwarding_instance.take () {
|
||||
self.rt.block_on (async {
|
||||
old_instance.close ()
|
||||
.await
|
||||
.context ("closing ForwardingInstance")?;
|
||||
|
||||
Ok::<_, anyhow::Error> (())
|
||||
})?;
|
||||
}
|
||||
|
||||
self.ports [port_idx].gui.set_forwarding (false);
|
||||
self.sync_status ();
|
||||
|
||||
Ok (())
|
||||
}
|
||||
|
||||
fn open_ports (&self) -> usize {
|
||||
self.ports.iter ()
|
||||
.map (|x| if x.forwarding_instance.is_some () { 1 } else { 0 })
|
||||
.sum ()
|
||||
}
|
||||
|
||||
pub fn sync_status (&mut self) {
|
||||
let open_ports = self.open_ports ();
|
||||
|
||||
self.frame_status.set_label (&format! ("Forwarding {} ports", open_ports));
|
||||
}
|
||||
|
||||
pub fn add_port (
|
||||
&mut self,
|
||||
ports_col: &mut Flex,
|
||||
fltk_tx: fltk::app::Sender <Message>
|
||||
) {
|
||||
let mut gui = GuiPort::new (fltk_tx, self.ports.len ());
|
||||
ports_col.add (&gui.row);
|
||||
ports_col.set_size (&mut gui.row, 30);
|
||||
|
||||
let port = Port {
|
||||
gui,
|
||||
forwarding_instance: None,
|
||||
};
|
||||
|
||||
self.ports.push (port);
|
||||
}
|
||||
}
|
||||
|
||||
fn main () -> anyhow::Result <()> {
|
||||
tracing_subscriber::fmt::init ();
|
||||
let rt = Runtime::new ()?;
|
||||
|
||||
let opt = Opt::from_args ();
|
||||
|
||||
let (fltk_tx, fltk_rx) = app::channel::<Message> ();
|
||||
|
||||
let app = app::App::default ();
|
||||
let window_title = opt.window_title.clone ().unwrap_or_else (|| "PTTH client proxy".to_string ());
|
||||
let mut wind = Window::new (100, 100, 800, 600, None)
|
||||
.with_label (&window_title);
|
||||
wind.make_resizable (true);
|
||||
fn main () {
|
||||
let _wind = fltk::window::Window::default ().with_size (800, 600);
|
||||
|
||||
let mut col = Flex::default ().column ().size_of_parent ();
|
||||
|
||||
let mut frame_status = Frame::default ();
|
||||
col.set_size (&mut frame_status, 30);
|
||||
// If I set `workaround` to true so that the column contains a single
|
||||
// non-sized element, then I can add 100 rows with no problem.
|
||||
// Otherwise it crashes at 11.
|
||||
|
||||
{
|
||||
let mut row = Flex::default ().row ();
|
||||
|
||||
let mut l = Frame::default ().with_label ("Server ID");
|
||||
row.set_size (&mut l, 120);
|
||||
let mut l = Frame::default ().with_label ("Server port");
|
||||
row.set_size (&mut l, 80);
|
||||
let mut l = Frame::default ().with_label ("Local port");
|
||||
row.set_size (&mut l, 80);
|
||||
let workaround = true;
|
||||
if workaround {
|
||||
let row = Flex::default ().row ();
|
||||
row.end ();
|
||||
|
||||
col.set_size (&mut row, 30);
|
||||
col.add (&row);
|
||||
}
|
||||
|
||||
let mut ports_col = Flex::default ().column ();
|
||||
ports_col.end ();
|
||||
// 11 will trigger the floating-point exception, 10 will not
|
||||
|
||||
let mut but_add_port = Button::default ().with_label ("+");
|
||||
but_add_port.set_trigger (CallbackTrigger::Release);
|
||||
but_add_port.emit (fltk_tx, Message::AddPort);
|
||||
col.set_size (&mut but_add_port, 30);
|
||||
|
||||
col.end ();
|
||||
|
||||
let mut gui_client = GuiClient {
|
||||
rt: &rt,
|
||||
frame_status,
|
||||
ports: Default::default (),
|
||||
};
|
||||
|
||||
gui_client.add_port (&mut ports_col, fltk_tx);
|
||||
ports_col.recalc ();
|
||||
|
||||
gui_client.sync_status ();
|
||||
|
||||
wind.end ();
|
||||
wind.show ();
|
||||
|
||||
let connection_p2_p3 = rt.block_on (async move {
|
||||
let server_cert = match opt.cert_url.as_ref () {
|
||||
Some (url) => reqwest::get (url).await?.bytes ().await?,
|
||||
None => tokio::fs::read ("ptth_quic_output/quic_server.crt").await?.into (),
|
||||
};
|
||||
|
||||
let relay_addr = opt.relay_addr
|
||||
.unwrap_or_else (|| String::from ("127.0.0.1:30380"))
|
||||
.parse ()
|
||||
.context ("relay_addr should be like 127.0.0.1:30380")?;
|
||||
let endpoint = make_client_endpoint ("0.0.0.0:0".parse ()?, &[&server_cert])?;
|
||||
|
||||
trace! ("Connecting to relay server");
|
||||
|
||||
let client_id = opt.client_id.unwrap_or_else (|| "bogus_client".to_string ());
|
||||
|
||||
let quinn::NewConnection {
|
||||
connection,
|
||||
..
|
||||
} = protocol::p2_connect_to_p3 (&endpoint, &relay_addr, &client_id).await
|
||||
.context ("P2 can't connect to P3")?;
|
||||
|
||||
Ok::<_, anyhow::Error> (connection)
|
||||
})?;
|
||||
|
||||
while app.wait () {
|
||||
match fltk_rx.recv () {
|
||||
Some (Message::OpenPort (port_idx)) => {
|
||||
if let Err (e) = gui_client.open_port (connection_p2_p3.clone (), port_idx)
|
||||
{
|
||||
error! ("{:?}", e);
|
||||
}
|
||||
},
|
||||
Some (Message::ClosePort (port_idx)) => {
|
||||
gui_client.close_port (port_idx)?;
|
||||
},
|
||||
Some (Message::AddPort) => {
|
||||
gui_client.add_port (&mut ports_col, fltk_tx);
|
||||
ports_col.recalc ();
|
||||
ports_col.redraw ();
|
||||
},
|
||||
None => (),
|
||||
}
|
||||
}
|
||||
|
||||
Ok (())
|
||||
}
|
||||
|
||||
fn set_active <W: WidgetExt> (w: &mut W, b: bool) {
|
||||
if b {
|
||||
w.activate ();
|
||||
let count = if workaround {
|
||||
100
|
||||
}
|
||||
else {
|
||||
w.deactivate ();
|
||||
}
|
||||
}
|
||||
|
||||
impl GuiPort {
|
||||
fn new (fltk_tx: fltk::app::Sender <Message>, port_idx: usize) -> Self {
|
||||
|
||||
11
|
||||
};
|
||||
|
||||
for _ in 0..count {
|
||||
let mut row = Flex::default ().row ();
|
||||
|
||||
let mut input_server_id = Input::default ();
|
||||
let mut input_server_port = Input::default ();
|
||||
let mut input_client_port = Input::default ();
|
||||
let mut but_open = Button::default ().with_label ("Open");
|
||||
let mut but_close = Button::default ().with_label ("Close");
|
||||
|
||||
row.set_size (&mut input_server_id, 120);
|
||||
row.set_size (&mut input_server_port, 80);
|
||||
row.set_size (&mut input_client_port, 80);
|
||||
row.set_size (&mut but_open, 80);
|
||||
row.set_size (&mut but_close, 80);
|
||||
|
||||
input_client_port.set_value ("");
|
||||
input_client_port.set_readonly (true);
|
||||
input_server_id.set_value ("bogus_server");
|
||||
input_server_port.set_value ("5900");
|
||||
|
||||
but_open.set_trigger (CallbackTrigger::Release);
|
||||
but_open.emit (fltk_tx, Message::OpenPort (port_idx));
|
||||
but_close.set_trigger (CallbackTrigger::Release);
|
||||
but_close.emit (fltk_tx, Message::ClosePort (port_idx));
|
||||
|
||||
row.end ();
|
||||
|
||||
let mut output = Self {
|
||||
row,
|
||||
input_client_port,
|
||||
input_server_id,
|
||||
input_server_port,
|
||||
but_open,
|
||||
but_close,
|
||||
};
|
||||
|
||||
output.set_forwarding (false);
|
||||
|
||||
output
|
||||
}
|
||||
|
||||
fn get_params (&self) -> anyhow::Result <ForwardingParams>
|
||||
{
|
||||
let server_tcp_port = u16::from_str (&self.input_server_port.value ())?;
|
||||
let server_id = self.input_server_id.value ();
|
||||
|
||||
let client_tcp_port = PortInfo {
|
||||
relay_addr: "bogus_relay",
|
||||
server_id: &server_id,
|
||||
server_tcp_port,
|
||||
}.random_eph_port ();
|
||||
|
||||
Ok (ForwardingParams {
|
||||
client_tcp_port,
|
||||
server_id,
|
||||
server_tcp_port,
|
||||
})
|
||||
}
|
||||
|
||||
fn set_forwarding (&mut self, x: bool) {
|
||||
set_active (&mut self.input_client_port, x);
|
||||
set_active (&mut self.input_server_id, !x);
|
||||
set_active (&mut self.input_server_port, !x);
|
||||
set_active (&mut self.but_open, !x);
|
||||
set_active (&mut self.but_close, x);
|
||||
|
||||
self.but_open.set (x);
|
||||
self.but_close.set (!x);
|
||||
col.add (&row);
|
||||
col.set_size (&mut row, 30);
|
||||
}
|
||||
col.recalc ();
|
||||
}
|
||||
|
||||
// This can collide, but who cares
|
||||
// It's not secure or anything - It's just supposed to pick a port somewhat
|
||||
// deterministically based on the server and relay info.
|
||||
|
||||
#[derive (serde::Serialize)]
|
||||
struct PortInfo <'a> {
|
||||
relay_addr: &'a str,
|
||||
server_id: &'a str,
|
||||
server_tcp_port: u16
|
||||
}
|
||||
|
||||
impl PortInfo <'_> {
|
||||
// https://en.wikipedia.org/wiki/TCP_ports#Dynamic,_private_or_ephemeral_ports
|
||||
|
||||
fn random_eph_port (&self) -> u16
|
||||
{
|
||||
let seed = blake3::hash (&rmp_serde::to_vec (self).expect ("Can't hash PortInfo - impossible error"));
|
||||
|
||||
let mut rng = rand_chacha::ChaCha20Rng::from_seed (*seed.as_bytes ());
|
||||
|
||||
let tcp_eph_range = 49152..=65535;
|
||||
rng.gen_range (tcp_eph_range)
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg (test)]
|
||||
mod test {
|
||||
use blake3::Hasher;
|
||||
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn prng () {
|
||||
let hasher = Hasher::default ();
|
||||
let seed = hasher.finalize ();
|
||||
|
||||
let mut rng = rand_chacha::ChaCha20Rng::from_seed (*seed.as_bytes ());
|
||||
|
||||
let tcp_eph_range = 49152..=65535;
|
||||
let port = rng.gen_range (tcp_eph_range);
|
||||
assert_eq! (port, 49408);
|
||||
|
||||
for (input, expected) in vec! [
|
||||
(("bogus_relay", "bogus_server", 22), 62350),
|
||||
(("real_relay", "bogus_server", 22), 61081),
|
||||
(("bogus_relay", "real_server", 22), 50513),
|
||||
(("bogus_relay", "bogus_server", 5900), 60730),
|
||||
] {
|
||||
let (relay_addr, server_id, server_tcp_port) = input;
|
||||
let input = PortInfo {
|
||||
relay_addr,
|
||||
server_id,
|
||||
server_tcp_port,
|
||||
};
|
||||
let actual = input.random_eph_port ();
|
||||
assert_eq! (expected, actual);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue