feat: implemented the skeleton of the core CBS handler
This commit is contained in:
parent
a86c42deae
commit
64d5bdd9c5
GPG Key ID:
2B4F402172791BAF
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@ -17,6 +17,42 @@ version = "1.0.2"
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@ -172,6 +208,12 @@ version = "3.16.0"
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@ -219,6 +261,16 @@ dependencies = [
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"windows-targets 0.52.5",
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[[package]]
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@ -362,9 +414,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"cpufeatures",
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"curve25519-dalek-derive",
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"fiat-crypto",
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"platforms",
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"rustc_version",
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"subtle",
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"zeroize",
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[[package]]
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@ -417,6 +506,12 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "fiat-crypto"
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@ -547,6 +642,29 @@ version = "2.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "interprocess"
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dependencies = [
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"futures-core",
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"libc",
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"recvmsg",
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"tokio",
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"widestring",
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"windows-sys 0.52.0",
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[[package]]
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name = "is_terminal_polyfill"
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version = "1.70.0"
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@ -730,6 +848,12 @@ version = "1.19.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
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@ -837,6 +961,30 @@ version = "0.3.30"
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[[package]]
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[[package]]
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name = "pretty_assertions"
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version = "1.4.0"
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@ -903,6 +1051,36 @@ dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "rand"
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"libc",
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"rand_chacha",
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"rand_core",
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[[package]]
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[[package]]
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name = "rand_core"
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version = "0.6.4"
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[[package]]
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name = "ratatui"
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@ -923,6 +1101,12 @@ dependencies = [
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"unicode-width",
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]
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[[package]]
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name = "recvmsg"
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[[package]]
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@ -972,6 +1156,28 @@ version = "0.8.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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dependencies = [
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"num-traits",
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"paste",
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[[package]]
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name = "rmp-serde"
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[[package]]
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name = "rustc-demangle"
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version = "0.1.24"
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@ -984,6 +1190,15 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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version = "1.0.16"
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@ -1002,6 +1217,12 @@ version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
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name = "serde"
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version = "1.0.201"
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@ -1088,6 +1309,16 @@ version = "1.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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[[package]]
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name = "stability"
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version = "0.2.0"
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@ -1132,6 +1363,12 @@ dependencies = [
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"syn",
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]
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[[package]]
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name = "subtle"
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[[package]]
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name = "syn"
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@ -1170,9 +1407,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"bytes",
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"mio",
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"num_cpus",
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"pin-project-lite",
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"socket2",
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"tokio-macros",
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"windows-sys 0.48.0",
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]
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[[package]]
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@ -1203,22 +1445,30 @@ dependencies = [
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name = "trinitrix"
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dependencies = [
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"crossterm 0.25.0",
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"mlua",
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"once_cell",
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"pretty_assertions",
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"rand",
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"ratatui",
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"rmp-serde",
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"serde",
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"strum",
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"tokio",
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"tokio-util",
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"trinitry",
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"trixy",
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"tui-textarea",
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"uuid",
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"x25519-dalek",
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]
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[[package]]
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@ -1299,12 +1549,31 @@ version = "0.1.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.4"
|
||||
|
|
@ -1371,6 +1640,12 @@ version = "0.2.92"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96"
|
||||
|
||||
[[package]]
|
||||
name = "widestring"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7219d36b6eac893fa81e84ebe06485e7dcbb616177469b142df14f1f4deb1311"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
|
|
@ -1541,6 +1816,18 @@ version = "0.52.5"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
|
||||
|
||||
[[package]]
|
||||
name = "x25519-dalek"
|
||||
version = "2.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
|
||||
dependencies = [
|
||||
"curve25519-dalek",
|
||||
"rand_core",
|
||||
"serde",
|
||||
"zeroize",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "yansi"
|
||||
version = "0.5.1"
|
||||
|
|
@ -1566,3 +1853,23 @@ dependencies = [
|
|||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zeroize"
|
||||
version = "1.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
|
||||
dependencies = [
|
||||
"zeroize_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zeroize_derive"
|
||||
version = "1.4.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
|
|
|||
13
Cargo.toml
13
Cargo.toml
|
|
@ -36,14 +36,24 @@ tokio = { version = "1.37", features = [
|
|||
"rt-multi-thread",
|
||||
"fs",
|
||||
"time",
|
||||
"io-util"
|
||||
] }
|
||||
tokio-util = { version = "0.7.10" }
|
||||
uuid = { version = "1.8.0", features = ["v4"] }
|
||||
rand = "0.8.5"
|
||||
serde = { version = "1.0.201", features = ["derive"] }
|
||||
rmp-serde = "1.3.0"
|
||||
strum = { version = "0.26.2", features = ["derive"] }
|
||||
|
||||
# config
|
||||
trinitry = { version = "0.1.0" }
|
||||
keymaps = { version = "0.1.1", features = ["crossterm"] }
|
||||
directories = "5.0.1"
|
||||
|
||||
# crypto
|
||||
x25519-dalek = "2.0.1"
|
||||
aes-gcm-siv = { version = "0.11.1", features = ["aes"] }
|
||||
|
||||
# c api
|
||||
libloading = "0.8.3"
|
||||
trixy = { version = "0.1.1" }
|
||||
|
|
@ -57,6 +67,9 @@ ratatui = "0.26.2"
|
|||
tui-textarea = { version = "0.4", features = ["crossterm"] }
|
||||
crossterm = { version = "0.25" }
|
||||
|
||||
# Trinitrx Backend API specific
|
||||
interprocess = { version = "2.1.0", features = ["tokio"] }
|
||||
|
||||
[dev-dependencies]
|
||||
pretty_assertions = "1.4.0"
|
||||
|
||||
|
|
|
|||
|
|
@ -42,6 +42,7 @@ use crate::{
|
|||
events::{Event, EventStatus},
|
||||
status::{State, Status},
|
||||
},
|
||||
cbs,
|
||||
ui::ui_trait::TrinitrixUi,
|
||||
};
|
||||
|
||||
|
|
@ -49,6 +50,8 @@ pub struct App<U: TrinitrixUi> {
|
|||
ui: U,
|
||||
status: Status,
|
||||
|
||||
cbs_manager: cbs::Manager,
|
||||
|
||||
tx: mpsc::Sender<Event>,
|
||||
rx: mpsc::Receiver<Event>,
|
||||
|
||||
|
|
@ -63,17 +66,22 @@ pub struct App<U: TrinitrixUi> {
|
|||
pub static COMMAND_TRANSMITTER: OnceLock<Sender<Event>> = OnceLock::new();
|
||||
|
||||
impl<U: TrinitrixUi> App<U> {
|
||||
pub fn new(ui: U) -> Result<Self> {
|
||||
pub async fn new(ui: U) -> Result<Self> {
|
||||
let (tx, rx) = mpsc::channel(256);
|
||||
|
||||
COMMAND_TRANSMITTER
|
||||
.set(tx.clone())
|
||||
.expect("The cell should always be empty at this point");
|
||||
|
||||
let cbs_manager = cbs::Manager::new().await;
|
||||
cbs_manager.spawn_cbs().await?;
|
||||
|
||||
Ok(Self {
|
||||
ui,
|
||||
status: Status::new(),
|
||||
|
||||
cbs_manager,
|
||||
|
||||
tx: tx.clone(),
|
||||
rx,
|
||||
input_listener_killer: CancellationToken::new(),
|
||||
|
|
|
|||
|
|
@ -0,0 +1,126 @@
|
|||
use super::packet::{self, IdPool, Packet};
|
||||
|
||||
use aes_gcm_siv::{Aes256GcmSiv, Nonce};
|
||||
use anyhow::{anyhow, Result};
|
||||
use interprocess::local_socket::tokio::{RecvHalf, SendHalf};
|
||||
use tokio::{
|
||||
io::{AsyncReadExt, AsyncWriteExt},
|
||||
sync::mpsc,
|
||||
};
|
||||
use tokio_util::sync::CancellationToken;
|
||||
use uuid::Uuid;
|
||||
|
||||
pub struct Connection {
|
||||
tx: mpsc::UnboundedSender<packet::Body>,
|
||||
}
|
||||
|
||||
impl Connection {
|
||||
pub async fn send_packet(&self, body: packet::Body) -> Result<()> {
|
||||
self.tx.send(body)?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
enum Event {
|
||||
ToCBS(Packet),
|
||||
FromCBS(Packet),
|
||||
}
|
||||
|
||||
pub struct UnstableConnection {
|
||||
kill_token: CancellationToken,
|
||||
id: Uuid,
|
||||
}
|
||||
|
||||
impl UnstableConnection {
|
||||
pub fn new(kill_token: CancellationToken, id: Uuid) -> Self {
|
||||
Self { kill_token, id }
|
||||
}
|
||||
|
||||
pub async fn stabilize(
|
||||
&self,
|
||||
cipher: Aes256GcmSiv,
|
||||
nonce: Nonce,
|
||||
mut sock_rx: RecvHalf,
|
||||
mut sock_tx: SendHalf,
|
||||
) -> Result<Connection> {
|
||||
let (tx, mut rx) = mpsc::unbounded_channel();
|
||||
|
||||
let mut id_pool = IdPool::new();
|
||||
|
||||
let packet = Packet::recv(&mut sock_rx, &cipher, &nonce).await.unwrap();
|
||||
match packet.body() {
|
||||
packet::Body::HandshakeUpgradeConnection => {
|
||||
cli_log::info!(
|
||||
"CBS {id}: upgraded connection to encrypted messagepack",
|
||||
id = self.id
|
||||
);
|
||||
}
|
||||
body => {
|
||||
return Err(anyhow!(
|
||||
"expected cbs to send HandshakeUpgradeConnection but got {body}"
|
||||
))
|
||||
}
|
||||
}
|
||||
|
||||
Packet::new(&mut id_pool, packet::Body::HandshakeSuccess)
|
||||
.send(&mut sock_tx, &cipher, &nonce)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
// Poll packets from socket
|
||||
{
|
||||
let cipher = cipher.clone();
|
||||
let nonce = nonce.clone();
|
||||
let tx = tx.clone();
|
||||
|
||||
tokio::spawn(async move {
|
||||
loop {
|
||||
let packet = Packet::recv(&mut sock_rx, &cipher, &nonce).await.unwrap();
|
||||
tx.send(Event::FromCBS(packet)).unwrap();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
let (core_tx, mut core_rx) = mpsc::unbounded_channel();
|
||||
|
||||
// Poll packets from core
|
||||
tokio::spawn(async move {
|
||||
loop {
|
||||
let body = core_rx.recv().await.unwrap();
|
||||
|
||||
tx.send(Event::ToCBS(Packet::new(&mut id_pool, body)))
|
||||
.unwrap();
|
||||
}
|
||||
});
|
||||
|
||||
// Handle and route all packets
|
||||
{
|
||||
let cipher = cipher.clone();
|
||||
let nonce = nonce.clone();
|
||||
let kill_token = self.kill_token.clone();
|
||||
|
||||
tokio::spawn(async move {
|
||||
loop {
|
||||
let event = tokio::select! {
|
||||
event = rx.recv() => event.unwrap(),
|
||||
_ = kill_token.cancelled() => break,
|
||||
};
|
||||
|
||||
match event {
|
||||
Event::ToCBS(packet) => {
|
||||
sock_tx
|
||||
.write(packet.pack(&cipher, &nonce).unwrap().as_slice())
|
||||
.await
|
||||
.unwrap();
|
||||
}
|
||||
Event::FromCBS(packet) => {
|
||||
cli_log::info!("Core received CBS packet: {packet:?}")
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
Ok(Connection { tx: core_tx })
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
use super::packet;
|
||||
use crate::cbs::packet::Packet;
|
||||
use aes_gcm_siv::{Aes256GcmSiv, KeyInit, Nonce};
|
||||
use anyhow::anyhow;
|
||||
use interprocess::local_socket::{
|
||||
self,
|
||||
tokio::{prelude::*, Stream},
|
||||
};
|
||||
use rand::thread_rng;
|
||||
use tokio::io::{AsyncReadExt, AsyncWriteExt, BufReader};
|
||||
use uuid::Uuid;
|
||||
use x25519_dalek::{EphemeralSecret, PublicKey};
|
||||
|
||||
pub async fn cbs(sock_name: local_socket::Name<'_>, id: Uuid) {
|
||||
let stream = Stream::connect(sock_name).await.unwrap();
|
||||
|
||||
let (rx, mut tx) = stream.split();
|
||||
let mut rx = BufReader::new(rx);
|
||||
|
||||
tx.write(id.as_bytes()).await.unwrap();
|
||||
|
||||
let dh_core_public = {
|
||||
let mut buffer = [0u8; 32];
|
||||
rx.read(&mut buffer).await.unwrap();
|
||||
PublicKey::from(buffer)
|
||||
};
|
||||
|
||||
let dh_own_secret = EphemeralSecret::random_from_rng(thread_rng());
|
||||
let dh_own_public = PublicKey::from(&dh_own_secret);
|
||||
|
||||
tx.write(dh_own_public.as_bytes()).await.unwrap();
|
||||
|
||||
let shared_secret = dh_own_secret.diffie_hellman(&dh_core_public);
|
||||
|
||||
let nonce = {
|
||||
let mut buffer = [0u8; 12];
|
||||
rx.read(&mut buffer).await.unwrap();
|
||||
Nonce::from(buffer)
|
||||
};
|
||||
|
||||
let cipher = Aes256GcmSiv::new(shared_secret.as_bytes().into());
|
||||
|
||||
let mut id_pool = packet::IdPool::new();
|
||||
|
||||
tx.write(
|
||||
Packet::new(&mut id_pool, packet::Body::HandshakeUpgradeConnection)
|
||||
.pack(&cipher, &nonce)
|
||||
.unwrap()
|
||||
.as_slice(),
|
||||
)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
let packet = Packet::recv(&mut rx, &cipher, &nonce).await.unwrap();
|
||||
match packet.body() {
|
||||
packet::Body::HandshakeSuccess => {
|
||||
cli_log::info!("[DUMMY CBS] Connection to core stabilized");
|
||||
}
|
||||
_ => {
|
||||
cli_log::info!("[DUMMY CBS] Connection to core failed");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
Packet::new(
|
||||
&mut id_pool,
|
||||
packet::Body::Exit(packet::Error::Fatal("This is a test".to_string())),
|
||||
)
|
||||
.send(&mut tx, &cipher, &nonce)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
loop {}
|
||||
}
|
||||
|
|
@ -0,0 +1,176 @@
|
|||
use super::{packet, Connection, UnstableConnection};
|
||||
|
||||
use aes_gcm_siv::{Aes256GcmSiv, KeyInit, Nonce};
|
||||
use anyhow::{anyhow, Result};
|
||||
use interprocess::local_socket::{
|
||||
self,
|
||||
tokio::{prelude::*, Stream},
|
||||
GenericFilePath, GenericNamespaced, ListenerOptions,
|
||||
};
|
||||
use rand::{
|
||||
distributions::Alphanumeric,
|
||||
{thread_rng, Rng},
|
||||
};
|
||||
use std::collections::HashMap;
|
||||
use tokio::{
|
||||
io::{AsyncReadExt, AsyncWriteExt, BufReader},
|
||||
sync::{mpsc, oneshot},
|
||||
};
|
||||
use tokio_util::sync::CancellationToken;
|
||||
use uuid::Uuid;
|
||||
use x25519_dalek::{EphemeralSecret, PublicKey};
|
||||
|
||||
enum Event {
|
||||
IncomingConnection(Stream),
|
||||
SpawnCBS(oneshot::Sender<Result<Uuid>>),
|
||||
SendPacket(Uuid, packet::Body),
|
||||
}
|
||||
|
||||
async fn poll_socket(
|
||||
sock_name: local_socket::Name<'_>,
|
||||
tx: mpsc::UnboundedSender<Event>,
|
||||
) -> Result<()> {
|
||||
let listener = ListenerOptions::new()
|
||||
.name(sock_name)
|
||||
.create_tokio()
|
||||
.unwrap();
|
||||
|
||||
loop {
|
||||
let stream = listener.accept().await?;
|
||||
tx.send(Event::IncomingConnection(stream)).unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
async fn handle_incoming(
|
||||
stream: Stream,
|
||||
connections: &mut HashMap<Uuid, (UnstableConnection, oneshot::Sender<Result<Uuid>>)>,
|
||||
) -> Result<(Uuid, Connection)> {
|
||||
let (raw_rx, mut tx) = stream.split();
|
||||
let mut rx = BufReader::new(&raw_rx);
|
||||
|
||||
let id = {
|
||||
let mut buffer = [0u8; 16];
|
||||
rx.read(&mut buffer).await?;
|
||||
Uuid::from_bytes(buffer)
|
||||
};
|
||||
|
||||
cli_log::info!("Received CBS connection with id: {id}");
|
||||
|
||||
let conn = match connections.get(&id) {
|
||||
Some((conn, _)) => conn,
|
||||
None => {
|
||||
return Err(anyhow!("The CBS id {id} is unknown."));
|
||||
}
|
||||
};
|
||||
|
||||
let dh_own_secret = EphemeralSecret::random_from_rng(thread_rng());
|
||||
let dh_own_public = PublicKey::from(&dh_own_secret);
|
||||
|
||||
tx.write(dh_own_public.as_bytes()).await?;
|
||||
|
||||
let dh_cbs_public = {
|
||||
let mut buffer = [0u8; 32];
|
||||
rx.read(&mut buffer).await?;
|
||||
PublicKey::from(buffer)
|
||||
};
|
||||
|
||||
let shared_secret = dh_own_secret.diffie_hellman(&dh_cbs_public);
|
||||
|
||||
let nonce = Nonce::from(rand::random::<[u8; 12]>());
|
||||
tx.write(nonce.as_slice()).await?;
|
||||
|
||||
let cipher = Aes256GcmSiv::new(shared_secret.as_bytes().into());
|
||||
|
||||
let conn = conn.stabilize(cipher, nonce, raw_rx, tx).await?;
|
||||
|
||||
Ok((id, conn))
|
||||
}
|
||||
|
||||
pub struct Manager {
|
||||
tx: mpsc::UnboundedSender<Event>,
|
||||
}
|
||||
|
||||
impl Manager {
|
||||
pub async fn new() -> Self {
|
||||
let (tx, mut rx) = mpsc::unbounded_channel();
|
||||
|
||||
let sock_name = {
|
||||
let suffix = thread_rng()
|
||||
.sample_iter(&Alphanumeric)
|
||||
.take(30)
|
||||
.map(char::from)
|
||||
.collect::<String>();
|
||||
|
||||
if GenericNamespaced::is_supported() {
|
||||
format!("example_{suffix}.sock")
|
||||
.to_ns_name::<GenericNamespaced>()
|
||||
.unwrap()
|
||||
} else {
|
||||
format!("/tmp/example_{suffix}.sock")
|
||||
.to_fs_name::<GenericFilePath>()
|
||||
.unwrap()
|
||||
}
|
||||
};
|
||||
|
||||
// Start socket connection listener
|
||||
tokio::spawn(poll_socket(sock_name.clone(), tx.clone()));
|
||||
|
||||
tokio::spawn(async move {
|
||||
let mut unstable_connections: HashMap<
|
||||
Uuid,
|
||||
(UnstableConnection, oneshot::Sender<Result<Uuid>>),
|
||||
> = HashMap::new();
|
||||
let mut connections: HashMap<Uuid, Connection> = HashMap::new();
|
||||
|
||||
loop {
|
||||
match rx.recv().await.unwrap() {
|
||||
Event::IncomingConnection(stream) => {
|
||||
match handle_incoming(stream, &mut unstable_connections).await {
|
||||
Ok((id, conn)) => {
|
||||
let (_, tx) = unstable_connections.remove(&id).unwrap();
|
||||
connections.insert(id, conn);
|
||||
|
||||
tx.send(Ok(id)).unwrap();
|
||||
cli_log::info!("CBS {id}: Connection stabilized.")
|
||||
}
|
||||
Err(e) => {
|
||||
cli_log::error!("Handshake failed: {e}");
|
||||
}
|
||||
}
|
||||
}
|
||||
Event::SpawnCBS(tx) => {
|
||||
let id = Uuid::new_v4();
|
||||
unstable_connections.insert(
|
||||
id,
|
||||
(UnstableConnection::new(CancellationToken::new(), id), tx),
|
||||
);
|
||||
|
||||
cli_log::info!("Spawned CBS with ID: {id}");
|
||||
|
||||
// Start dummy cbs
|
||||
let sock_name = sock_name.clone();
|
||||
tokio::spawn(super::dummy::cbs(sock_name.clone(), id));
|
||||
}
|
||||
Event::SendPacket(id, body) => {
|
||||
let conn = connections.get(&id).unwrap();
|
||||
conn.send_packet(body).await.unwrap();
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
Self { tx }
|
||||
}
|
||||
|
||||
pub async fn spawn_cbs(&self) -> Result<Uuid> {
|
||||
let (tx, rx) = oneshot::channel();
|
||||
|
||||
self.tx.send(Event::SpawnCBS(tx))?;
|
||||
rx.await?
|
||||
}
|
||||
|
||||
pub fn send_packet(&self, cbs: Uuid, body: packet::Body) -> Result<()> {
|
||||
self.tx.send(Event::SendPacket(cbs, body))?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
pub mod connection;
|
||||
mod dummy;
|
||||
pub mod manager;
|
||||
pub(self) mod packet;
|
||||
|
||||
// TODO: This whole module uses hell a lot of unwraps,
|
||||
// which need to be replaced by proper error handling. - antifallobst 2024-05-14
|
||||
|
||||
pub use connection::{Connection, UnstableConnection};
|
||||
pub use manager::Manager;
|
||||
|
|
@ -0,0 +1,117 @@
|
|||
use aes_gcm_siv::{AeadInPlace, Aes256GcmSiv, Nonce};
|
||||
use anyhow::{anyhow, Result};
|
||||
use serde::{Deserialize, Serialize};
|
||||
use strum::Display;
|
||||
use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
|
||||
|
||||
pub struct IdPool {
|
||||
last: u64,
|
||||
}
|
||||
|
||||
impl IdPool {
|
||||
pub fn new() -> Self {
|
||||
Self { last: 0 }
|
||||
}
|
||||
|
||||
pub fn acquire(&mut self) -> u64 {
|
||||
self.last += 1;
|
||||
self.last
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Copy, Clone, Serialize, Deserialize)]
|
||||
pub struct Version(u32);
|
||||
|
||||
impl Version {
|
||||
/// Splits the version into its three parts: (major, minor, patch)
|
||||
pub fn extract(self) -> (u8, u16, u8) {
|
||||
let major = ((self.0 & 0xFF000000) >> 24) as u8;
|
||||
let minor = ((self.0 & 0x00FFFF00) >> 8) as u16;
|
||||
let patch = (self.0 & 0x000000FF) as u8;
|
||||
|
||||
(major, minor, patch)
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(u8)]
|
||||
#[derive(Debug, Clone, Serialize, Deserialize)]
|
||||
pub enum Error {
|
||||
Fatal(String),
|
||||
}
|
||||
|
||||
#[repr(u32)]
|
||||
#[derive(Debug, Clone, Serialize, Deserialize, Display)]
|
||||
pub enum Body {
|
||||
// Misc
|
||||
Exit(Error) = 0x000_00000,
|
||||
|
||||
// Handshake
|
||||
HandshakeUpgradeConnection = 0x001_00000,
|
||||
HandshakeApiVersion(Version) = 0x001_00001,
|
||||
HandshakeConfig = 0x001_00002,
|
||||
HandshakeSuccess = 0x001_00003,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Serialize, Deserialize)]
|
||||
pub struct Packet {
|
||||
id: u64,
|
||||
body: Body,
|
||||
}
|
||||
|
||||
impl Packet {
|
||||
pub fn new(id_pool: &mut IdPool, body: Body) -> Self {
|
||||
Self {
|
||||
id: id_pool.acquire(),
|
||||
body,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn body(&self) -> &Body {
|
||||
&self.body
|
||||
}
|
||||
|
||||
// Serializes the packet to MessagePack and encrypts it.
|
||||
pub fn pack(&self, cipher: &Aes256GcmSiv, nonce: &Nonce) -> Result<Vec<u8>> {
|
||||
let mut data = rmp_serde::to_vec(self)?;
|
||||
cipher
|
||||
.encrypt_in_place(&nonce, b"", &mut data)
|
||||
.map_err(|e| anyhow!("while packing packet: {e}"))?;
|
||||
|
||||
let mut vec = (data.len() as u32).to_le_bytes().to_vec();
|
||||
vec.append(&mut data);
|
||||
|
||||
Ok(vec)
|
||||
}
|
||||
|
||||
// Deserializes a packet from encrypted MessagePack.
|
||||
pub fn unpack(data: &mut Vec<u8>, cipher: &Aes256GcmSiv, nonce: &Nonce) -> Result<Self> {
|
||||
cipher
|
||||
.decrypt_in_place(&nonce, b"", data)
|
||||
.map_err(|e| anyhow!("while unpacking packet: {e}"))?;
|
||||
Ok(rmp_serde::from_slice::<Packet>(data.as_slice())?)
|
||||
}
|
||||
|
||||
pub async fn recv<T: AsyncRead + Unpin>(
|
||||
rx: &mut T,
|
||||
cipher: &Aes256GcmSiv,
|
||||
nonce: &Nonce,
|
||||
) -> Result<Self> {
|
||||
let size = rx.read_u32_le().await? as usize;
|
||||
|
||||
let mut buffer = vec![0u8; size];
|
||||
rx.read(&mut buffer).await?;
|
||||
|
||||
Packet::unpack(&mut buffer, &cipher, &nonce)
|
||||
}
|
||||
|
||||
pub async fn send<T: AsyncWrite + Unpin>(
|
||||
&self,
|
||||
tx: &mut T,
|
||||
cipher: &Aes256GcmSiv,
|
||||
nonce: &Nonce,
|
||||
) -> Result<()> {
|
||||
let raw = self.pack(cipher, nonce)?;
|
||||
tx.write(raw.as_slice()).await?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
|
@ -20,6 +20,7 @@
|
|||
*/
|
||||
|
||||
mod app;
|
||||
mod cbs;
|
||||
mod cli;
|
||||
mod ui;
|
||||
|
||||
|
|
@ -38,13 +39,13 @@ async fn main() -> anyhow::Result<()> {
|
|||
let args = Args::parse();
|
||||
match args.subcommand {
|
||||
Command::Tui {} => {
|
||||
let mut app = app::App::new(Tui::new().context("Failed to setup tui")?)?;
|
||||
let mut app = app::App::new(Tui::new().context("Failed to setup tui")?).await?;
|
||||
|
||||
// NOTE(@soispha): The `None` here is temporary <2024-05-08>
|
||||
app.run(None, args.plugin_path).await?;
|
||||
}
|
||||
Command::Repl {} => {
|
||||
let mut app = app::App::new(Repl::new().context("Failed to setup repl")?)?;
|
||||
let mut app = app::App::new(Repl::new().context("Failed to setup repl")?).await?;
|
||||
|
||||
// NOTE(@soispha): The `None` here is temporary <2024-05-03>
|
||||
app.run(None, args.plugin_path).await?;
|
||||
|
|
|
|||
Reference in New Issue