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DHT bencode protocol more or less done

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This commit is contained in:
Igor Katson 2021-07-10 12:26:37 +01:00
parent 3090f1f5bb
commit 1b0047a4a4
5 changed files with 471 additions and 11 deletions
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2
Cargo.lock generated
View file

@ -274,9 +274,11 @@ dependencies = [
name = "dht"
version = "0.1.0"
dependencies = [
"anyhow",
"bencode",
"hex 0.4.3",
"kad",
"serde",
"tokio",
]

4
crates/bencode/src/bencode_value.rs
View file

@ -146,7 +146,7 @@ mod tests {
#[test]
fn test_deserialize_torrent_dyn() {
let mut buf = Vec::new();
let filename = "resources/ubuntu-21.04-desktop-amd64.iso.torrent";
let filename = "../librqbit/resources/ubuntu-21.04-desktop-amd64.iso.torrent";
std::fs::File::open(filename)
.unwrap()
.read_to_end(&mut buf)
@ -161,7 +161,7 @@ mod tests {
#[test]
fn test_serialize_torrent_dyn() {
let mut buf = Vec::new();
let filename = "resources/ubuntu-21.04-desktop-amd64.iso.torrent";
let filename = "../librqbit/resources/ubuntu-21.04-desktop-amd64.iso.torrent";
std::fs::File::open(filename)
.unwrap()
.read_to_end(&mut buf)

4
crates/dht/Cargo.toml
View file

@ -8,5 +8,7 @@ edition = "2018"
[dependencies]
kad = "0.6"
tokio = {version = "1", features = ["macros", "rt"]}
serde = {version = "1", features = ["derive"]}
hex = "0.4"
bencode = {path = "../bencode"}
bencode = {path = "../bencode"}
anyhow = "1"

407
crates/dht/src/bprotocol.rs Normal file
View file

@ -0,0 +1,407 @@
use std::{
marker::PhantomData,
net::{Ipv4Addr, SocketAddrV4},
};
use bencode::ByteBuf;
use serde::{
de::{IgnoredAny, Unexpected},
Deserialize, Deserializer, Serialize,
};
#[derive(Debug)]
enum MessageType {
Request,
Response,
Error,
}
pub struct Id20(pub [u8; 20]);
impl std::fmt::Debug for Id20 {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "<")?;
for byte in self.0 {
write!(f, "{:02x?}", byte)?;
}
write!(f, ">")?;
Ok(())
}
}
impl Serialize for Id20 {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
serializer.serialize_bytes(&self.0)
}
}
impl<'de> Deserialize<'de> for Id20 {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
struct Visitor;
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = Id20;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, "a 20 byte slice")
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
if v.len() != 20 {
return Err(E::invalid_length(20, &self));
}
let mut buf = [0u8; 20];
buf.copy_from_slice(&v);
Ok(Id20(buf))
}
}
deserializer.deserialize_bytes(Visitor {})
}
}
impl<'de> Deserialize<'de> for MessageType {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
struct Visitor;
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = MessageType;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, r#""q", "e" or "r" bencode string"#)
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
let msg = match v {
b"q" => MessageType::Request,
b"r" => MessageType::Response,
b"e" => MessageType::Error,
_ => return Err(E::invalid_value(Unexpected::Bytes(v), &self)),
};
Ok(msg)
}
}
deserializer.deserialize_bytes(Visitor {})
}
}
impl Serialize for MessageType {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
match self {
MessageType::Request => serializer.serialize_bytes(b"q"),
MessageType::Response => serializer.serialize_bytes(b"r"),
MessageType::Error => serializer.serialize_bytes(b"e"),
}
}
}
#[derive(Debug)]
struct ErrorDescription<BufT> {
code: i32,
description: BufT,
}
impl<BufT> Serialize for ErrorDescription<BufT>
where
BufT: Serialize,
{
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
use serde::ser::SerializeSeq;
let mut seq = serializer.serialize_seq(Some(2))?;
seq.serialize_element(&self.code)?;
seq.serialize_element(&self.description)?;
seq.end()
}
}
impl<'de, BufT> Deserialize<'de> for ErrorDescription<BufT>
where
BufT: Deserialize<'de>,
{
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
struct Visitor<BufT> {
phantom: PhantomData<BufT>,
}
impl<'de, BufT> serde::de::Visitor<'de> for Visitor<BufT>
where
BufT: Deserialize<'de>,
{
type Value = ErrorDescription<BufT>;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, r#"a list [i32, string]"#)
}
fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
where
A: serde::de::SeqAccess<'de>,
{
use serde::de::Error;
let code = match seq.next_element::<i32>()? {
Some(code) => code,
None => return Err(A::Error::invalid_length(0, &self)),
};
let description = match seq.next_element::<BufT>()? {
Some(code) => code,
None => return Err(A::Error::invalid_length(1, &self)),
};
// The type doesn't matter here, we are just making sure the list is over.
if seq.next_element::<serde::de::IgnoredAny>()?.is_some() {
return Err(A::Error::invalid_length(3, &self));
}
Ok(ErrorDescription { code, description })
}
}
deserializer.deserialize_seq(Visitor {
phantom: PhantomData,
})
}
}
#[derive(Debug, Serialize, Deserialize)]
struct RawMessage<BufT, Args = IgnoredAny, Resp = IgnoredAny> {
#[serde(rename = "y")]
message_type: MessageType,
#[serde(rename = "t")]
transaction_id: BufT,
#[serde(rename = "e", skip_serializing_if = "Option::is_none")]
error: Option<ErrorDescription<BufT>>,
#[serde(rename = "r", skip_serializing_if = "Option::is_none")]
response: Option<Resp>,
#[serde(rename = "q", skip_serializing_if = "Option::is_none")]
method_name: Option<BufT>,
#[serde(rename = "a", skip_serializing_if = "Option::is_none")]
arguments: Option<Args>,
}
#[derive(Debug)]
pub struct Node {
pub id: Id20,
pub addr: SocketAddrV4,
}
#[derive(Debug)]
pub struct CompactNodeInfo {
pub nodes: Vec<Node>,
}
impl Serialize for CompactNodeInfo {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
let mut buf = Vec::<u8>::with_capacity(self.nodes.len() * 26);
for node in self.nodes.iter() {
buf.extend_from_slice(&node.id.0);
let ip_octets = node.addr.ip().octets();
let port = node.addr.port();
buf.extend_from_slice(&ip_octets);
// BE encoding for port.
buf.push((port >> 8) as u8);
buf.push((port & 0xff) as u8);
}
serializer.serialize_bytes(&buf)
}
}
impl<'de> Deserialize<'de> for CompactNodeInfo {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
struct Visitor;
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = CompactNodeInfo;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, "compact node info with length multiple of 26")
}
fn visit_borrowed_bytes<E>(self, v: &'de [u8]) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
if v.len() % 26 != 0 {
return Err(E::invalid_length(v.len(), &self));
}
let mut buf = Vec::<Node>::with_capacity(v.len() / 26);
for chunk in v.chunks_exact(26) {
let mut node_id = [0u8; 20];
node_id.copy_from_slice(&chunk[..20]);
let ip = Ipv4Addr::new(chunk[20], chunk[21], chunk[22], chunk[23]);
let port = ((chunk[24] as u16) << 8) + chunk[25] as u16;
buf.push(Node {
id: Id20(node_id),
addr: SocketAddrV4::new(ip, port),
})
}
Ok(CompactNodeInfo { nodes: buf })
}
}
deserializer.deserialize_bytes(Visitor)
}
}
#[derive(Debug)]
pub struct CompactPeerInfo {
pub addr: SocketAddrV4,
}
impl Serialize for CompactPeerInfo {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
let octets = self.addr.ip().octets();
let port = self.addr.port();
let buf = [
octets[0],
octets[1],
octets[2],
octets[3],
(port >> 8) as u8,
(port & 0xff) as u8,
];
serializer.serialize_bytes(&buf)
}
}
impl<'de> Deserialize<'de> for CompactPeerInfo {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
struct Visitor;
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = CompactPeerInfo;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, "6 bytes of peer info")
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: serde::de::Error,
{
if v.len() != 6 {
return Err(E::invalid_length(6, &self));
}
let ip = Ipv4Addr::new(v[0], v[1], v[2], v[3]);
let port = ((v[4] as u16) << 8) + v[5] as u16;
Ok(CompactPeerInfo {
addr: SocketAddrV4::new(ip, port),
})
}
}
deserializer.deserialize_bytes(Visitor {})
}
}
#[derive(Debug, Serialize, Deserialize)]
pub struct FindNodeRequest {
pub id: Id20,
pub target: Id20,
}
#[derive(Debug, Serialize, Deserialize)]
struct Response<BufT> {
pub id: Id20,
#[serde(skip_serializing_if = "Option::is_none")]
pub nodes: Option<CompactNodeInfo>,
#[serde(skip_serializing_if = "Option::is_none")]
pub values: Option<Vec<CompactPeerInfo>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub token: Option<BufT>,
}
#[derive(Debug, Serialize, Deserialize)]
pub struct GetPeersRequest {
pub id: Id20,
pub info_hash: Id20,
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(bound(serialize = "BufT: AsRef<[u8]> + Serialize"))]
#[serde(bound(deserialize = "BufT: From<&'de [u8]> + Deserialize<'de>"))]
pub struct GetPeersResponse<BufT> {
pub id: Id20,
pub token: BufT,
#[serde(skip_serializing_if = "Option::is_none")]
pub values: Option<Vec<CompactPeerInfo>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub nodes: Option<CompactNodeInfo>,
}
#[derive(Debug)]
pub struct Message<BufT> {
pub transaction_id: BufT,
pub kind: MessageKind<BufT>,
}
#[derive(Debug)]
pub enum MessageKind<BufT> {
Error(ErrorDescription<BufT>),
GetPeersRequest(GetPeersRequest),
FindNodeRequest(FindNodeRequest),
Response(Response<BufT>),
}
pub fn deserialize_message<'de, BufT>(buf: &'de [u8]) -> anyhow::Result<Message<BufT>>
where
BufT: Deserialize<'de> + AsRef<[u8]>,
{
let de: RawMessage<BufT> = bencode::from_bytes(buf)?;
match de.message_type {
MessageType::Request => match (de.arguments, de.method_name, de.response, de.error) {
(Some(_), Some(method_name), None, None) => match method_name.as_ref() {
b"find_node" => {
let de: RawMessage<BufT, FindNodeRequest> = bencode::from_bytes(buf)?;
Ok(Message {
transaction_id: de.transaction_id,
kind: MessageKind::FindNodeRequest(de.arguments.unwrap()),
})
}
b"get_peers" => {
let de: RawMessage<BufT, GetPeersRequest> = bencode::from_bytes(buf)?;
Ok(Message {
transaction_id: de.transaction_id,
kind: MessageKind::GetPeersRequest(de.arguments.unwrap()),
})
}
other => anyhow::bail!("unsupported method {:?}", ByteBuf(other)),
},
_ => anyhow::bail!(
"cannot deserialize message as request, expected exactly \"a\" and \"q\" to be set"
),
},
MessageType::Response => match (de.arguments, de.method_name, de.response, de.error) {
(None, None, Some(_), None) => {
let de: RawMessage<BufT, IgnoredAny, Response<BufT>> = bencode::from_bytes(buf)?;
Ok(Message {
transaction_id: de.transaction_id,
kind: MessageKind::Response(de.response.unwrap()),
})
}
_ => anyhow::bail!(
"cannot deserialize message as response, expected exactly \"r\" to be set"
),
},
MessageType::Error => todo!(),
}
}

65
crates/dht/src/lib.rs
View file

@ -1,23 +1,72 @@
mod bprotocol;
#[cfg(test)]
mod tests {
use super::bprotocol;
use bencode::ByteBuf;
// Dumped with wireshark.
const FIND_NODE_REQUEST: &[u8] = b"64313a6164323a696432303abd7b477cfbcd10f30b705da20201e7101d8df155363a74617267657432303abd7b477cfbcd10f30b705da20201e7101d8df15565313a71393a66696e645f6e6f6465313a74323a0005313a79313a7165";
const GET_PEERS_REQUEST: &[u8] = b"64313a6164323a696432303abd7b477cfbcd10f30b705da20201e7101d8df155393a696e666f5f6861736832303acab507494d02ebb1178b38f2e9d7be299c86b86265313a71393a6765745f7065657273313a74323a0006313a79313a7165";
const FIND_NODE_RESPONSE: &[u8] = b"64313a7264323a696432303a3c00727348b3b8ed70baa1e1411b3869d8481321353a6e6f6465733230383a67a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d565313a74323a0005313a76343a4a420000313a79313a7265";
const FIND_NODE_RESPONSE_2: &[u8] = b"64323a6970363a081ab440e935313a7264323a696432303a32f54e697351ff4aec29cdbaabf2fbe3467cc267353a6e6f6465733431363a54133f7f6d77567ff210fe88d49839107d1a955956aaa625e9ee438e4a0af6b324d9672886052c856b26b25835a689afbbdf5436b643eb20605e1d18f848b32cd275a117afb52d3a474d18541ae18dd20d3fbd936983af4ea87135d785d0661de2f4c4bf7925c59269105c05caa68658851c018d8890f73604e334afdfb8e556fd7ca8f3e0211bd2af91c4af4eee69415a273c0bd1c2b02e8b9ba827139b6c6ebc6dcb6ee53aac3c5147530a432e1b62c9116e1316e9364d7fd2f10f2499f47e862d847937e39a51aed74bb6e8f1c491d520868f1893aaa007d1af19b5328f1b4840759e5743aa59a6bf090c76b846145c6895303b7a49be387fd609a9212eb6541b1ae1fd2ddcf776b4688dd359c8157120809ac8b6651e5e6e8d58b4a80fa124e1f4ed536d61e4ee25d5a702fc8ab70cdf45852708c999215cc406c4caa862bcd0a6b88e58128d2b280ac74631b3591ae1fa4484a5560c31de4fc046b97b4c6ac31dc324ab2ef20952049bfcecdbc8cf79e4cfd378a89779c605559b79b8ae25ba326249e5629f7b9cc0ad33143832e1bca63da63cdb8a940117f0adc2c41965313a74323a0002313a79313a7265";
const FIND_NODE_RESPONSE_3: &[u8] = b"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";
const WHAT_IS_THAT: &[u8]= b"64313a6164323a696432303abd7b477cfbcd10f30b705da20201e7101d8df155393a696e666f5f6861736832303acab507494d02ebb1178b38f2e9d7be299c86b86265313a71393a6765745f7065657273313a74323a0007313a79313a7165";
fn debug_hex_bencode(name: &str, data: &[u8]) {
println!("{}", name);
let data = hex::decode(data).unwrap();
println!(
"{:#?}",
bencode::dyn_from_bytes::<ByteBuf>(data.as_slice()).unwrap()
);
}
#[tokio::test]
async fn it_works() {
debug_hex_bencode("req: find_node", b"64313a6164323a696432303abd7b477cfbcd10f30b705da20201e7101d8df155363a74617267657432303abd7b477cfbcd10f30b705da20201e7101d8df15565313a71393a66696e645f6e6f6465313a74323a0005313a79313a7165");
debug_hex_bencode("req: get_peers", b"64313a6164323a696432303abd7b477cfbcd10f30b705da20201e7101d8df155393a696e666f5f6861736832303acab507494d02ebb1178b38f2e9d7be299c86b86265313a71393a6765745f7065657273313a74323a0006313a79313a7165");
debug_hex_bencode("resp from the requesting node", b"64313a7264323a696432303a3c00727348b3b8ed70baa1e1411b3869d8481321353a6e6f6465733230383a67a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d567a312defb7d429086bfdcd5a209684ee13f59615cbe360bc8d565313a74323a0005313a76343a4a420000313a79313a7265");
debug_hex_bencode("resp from some random IP", b"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");
debug_hex_bencode("another resp from some random IP", b"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");
debug_hex_bencode("req to another node", b"64313a6164323a696432303abd7b477cfbcd10f30b705da20201e7101d8df155393a696e666f5f6861736832303acab507494d02ebb1178b38f2e9d7be299c86b86265313a71393a6765745f7065657273313a74323a0007313a79313a7165");
#[test]
fn deserialize_request_find_node() {
let req = hex::decode(FIND_NODE_REQUEST).unwrap();
dbg!(bprotocol::deserialize_message::<ByteBuf>(&req).unwrap());
}
#[test]
fn deserialize_request_get_peers() {
let req = hex::decode(GET_PEERS_REQUEST).unwrap();
dbg!(bprotocol::deserialize_message::<ByteBuf>(&req).unwrap());
}
#[test]
fn deserialize_response_find_node() {
let req = hex::decode(FIND_NODE_RESPONSE).unwrap();
dbg!(bprotocol::deserialize_message::<ByteBuf>(&req).unwrap());
}
#[test]
fn deserialize_response_find_node_2() {
let req = hex::decode(FIND_NODE_RESPONSE_2).unwrap();
dbg!(bprotocol::deserialize_message::<ByteBuf>(&req).unwrap());
}
#[test]
fn deserialize_response_find_node_3() {
let req = hex::decode(FIND_NODE_RESPONSE_3).unwrap();
dbg!(bprotocol::deserialize_message::<ByteBuf>(&req).unwrap());
}
#[test]
fn deserialize_request_what_is_that() {
let req = hex::decode(WHAT_IS_THAT).unwrap();
dbg!(bprotocol::deserialize_message::<ByteBuf>(&req).unwrap());
}
#[test]
fn deserialize_bencode_packets_captured_from_wireshark() {
debug_hex_bencode("req: find_node", FIND_NODE_REQUEST);
debug_hex_bencode("req: get_peers", GET_PEERS_REQUEST);
debug_hex_bencode("resp from the requesting node", FIND_NODE_RESPONSE);
debug_hex_bencode("resp from some random IP", FIND_NODE_RESPONSE_2);
debug_hex_bencode("another resp from some random IP", FIND_NODE_RESPONSE_3);
debug_hex_bencode("req to another node", WHAT_IS_THAT);
}
}