diff --git a/util/network-devp2p/src/handshake.rs b/util/network-devp2p/src/handshake.rs index 7aef4d4f0..891dd7c25 100644 --- a/util/network-devp2p/src/handshake.rs +++ b/util/network-devp2p/src/handshake.rs @@ -84,12 +84,12 @@ impl Handshake { /// Create a new handshake object pub fn new(token: StreamToken, id: Option<&NodeId>, socket: TcpStream, nonce: &H256) -> Result { Ok(Handshake { - id: if let Some(id) = id { id.clone()} else { NodeId::new() }, + id: if let Some(id) = id { *id } else { NodeId::new() }, connection: Connection::new(token, socket), originated: false, state: HandshakeState::New, ecdhe: Random.generate()?, - nonce: nonce.clone(), + nonce: *nonce, remote_ephemeral: Public::new(), remote_nonce: H256::new(), remote_version: PROTOCOL_VERSION, @@ -166,7 +166,7 @@ impl Handshake { self.remote_version = remote_version; let shared = *ecdh::agree(host_secret, &self.id)?; let signature = H520::from_slice(sig); - self.remote_ephemeral = recover(&signature.into(), &(&shared ^ &self.remote_nonce))?; + self.remote_ephemeral = recover(&signature.into(), &(shared ^ self.remote_nonce))?; Ok(()) } @@ -189,7 +189,7 @@ impl Handshake { } Err(_) => { // Try to interpret as EIP-8 packet - let total = (((data[0] as u16) << 8 | (data[1] as u16)) as usize) + 2; + let total = ((u16::from(data[0]) << 8 | (u16::from(data[1]))) as usize) + 2; if total < V4_AUTH_PACKET_SIZE { debug!(target: "network", "Wrong EIP8 auth packet size"); return Err(ErrorKind::BadProtocol.into()); @@ -232,7 +232,7 @@ impl Handshake { } Err(_) => { // Try to interpret as EIP-8 packet - let total = (((data[0] as u16) << 8 | (data[1] as u16)) as usize) + 2; + let total = (((u16::from(data[0])) << 8 | (u16::from(data[1]))) as usize) + 2; if total < V4_ACK_PACKET_SIZE { debug!(target: "network", "Wrong EIP8 ack packet size"); return Err(ErrorKind::BadProtocol.into()); diff --git a/util/network-devp2p/src/host.rs b/util/network-devp2p/src/host.rs index 2f577821a..f9180700f 100644 --- a/util/network-devp2p/src/host.rs +++ b/util/network-devp2p/src/host.rs @@ -116,11 +116,11 @@ impl<'s> NetworkContext<'s> { ) -> NetworkContext<'s> { let id = session.as_ref().map(|s| s.lock().token()); NetworkContext { - io: io, - protocol: protocol, + io, + protocol, session_id: id, - session: session, - sessions: sessions, + session, + sessions, _reserved_peers: reserved_peers, } } @@ -280,7 +280,7 @@ impl Host { let tcp_listener = TcpListener::bind(&listen_address)?; listen_address = SocketAddr::new(listen_address.ip(), tcp_listener.local_addr()?.port()); debug!(target: "network", "Listening at {:?}", listen_address); - let udp_port = config.udp_port.unwrap_or(listen_address.port()); + let udp_port = config.udp_port.unwrap_or_else(|| listen_address.port()); let local_endpoint = NodeEndpoint { address: listen_address, udp_port: udp_port }; let boot_nodes = config.boot_nodes.clone(); @@ -325,7 +325,7 @@ impl Host { match Node::from_str(id) { Err(e) => { debug!(target: "network", "Could not add node {}: {:?}", id, e); }, Ok(n) => { - let entry = NodeEntry { endpoint: n.endpoint.clone(), id: n.id.clone() }; + let entry = NodeEntry { endpoint: n.endpoint.clone(), id: n.id }; self.nodes.write().add_node(n); if let Some(ref mut discovery) = *self.discovery.lock() { @@ -338,9 +338,9 @@ impl Host { pub fn add_reserved_node(&self, id: &str) -> Result<(), Error> { let n = Node::from_str(id)?; - let entry = NodeEntry { endpoint: n.endpoint.clone(), id: n.id.clone() }; - self.reserved_nodes.write().insert(n.id.clone()); - self.nodes.write().add_node(Node::new(entry.id.clone(), entry.endpoint.clone())); + let entry = NodeEntry { endpoint: n.endpoint.clone(), id: n.id }; + self.reserved_nodes.write().insert(n.id); + self.nodes.write().add_node(Node::new(entry.id, entry.endpoint.clone())); if let Some(ref mut discovery) = *self.discovery.lock() { discovery.add_node(entry); @@ -349,10 +349,10 @@ impl Host { Ok(()) } - pub fn set_non_reserved_mode(&self, mode: NonReservedPeerMode, io: &IoContext) { + pub fn set_non_reserved_mode(&self, mode: &NonReservedPeerMode, io: &IoContext) { let mut info = self.info.write(); - if info.config.non_reserved_mode != mode { + if &info.config.non_reserved_mode != mode { info.config.non_reserved_mode = mode.clone(); drop(info); if let NonReservedPeerMode::Deny = mode { @@ -388,12 +388,12 @@ impl Host { pub fn external_url(&self) -> Option { let info = self.info.read(); - info.public_endpoint.as_ref().map(|e| format!("{}", Node::new(info.id().clone(), e.clone()))) + info.public_endpoint.as_ref().map(|e| format!("{}", Node::new(*info.id(), e.clone()))) } pub fn local_url(&self) -> String { let info = self.info.read(); - format!("{}", Node::new(info.id().clone(), info.local_endpoint.clone())) + format!("{}", Node::new(*info.id(), info.local_endpoint.clone())) } pub fn stop(&self, io: &IoContext) { @@ -554,7 +554,7 @@ impl Host { // iterate over all nodes, reserved ones coming first. // if we are pinned to only reserved nodes, ignore all others. let nodes = reserved_nodes.iter().cloned().chain(if !pin { - self.nodes.read().nodes(allow_ips) + self.nodes.read().nodes(&allow_ips) } else { Vec::new() }); @@ -752,7 +752,7 @@ impl Host { let entry = NodeEntry { id: id, endpoint: endpoint }; let mut nodes = self.nodes.write(); if !nodes.contains(&entry.id) { - nodes.add_node(Node::new(entry.id.clone(), entry.endpoint.clone())); + nodes.add_node(Node::new(entry.id, entry.endpoint.clone())); let mut discovery = self.discovery.lock(); if let Some(ref mut discovery) = *discovery { discovery.add_node(entry); diff --git a/util/network-devp2p/src/ip_utils.rs b/util/network-devp2p/src/ip_utils.rs index 7c3d5c0fd..3d7d33a06 100644 --- a/util/network-devp2p/src/ip_utils.rs +++ b/util/network-devp2p/src/ip_utils.rs @@ -109,7 +109,7 @@ impl SocketAddrExt for Ipv4Addr { fn is_within(&self, ipnet: &IpNetwork) -> bool { match ipnet { - &IpNetwork::V4(ipnet) => ipnet.contains(*self), + IpNetwork::V4(ipnet) => ipnet.contains(*self), _ => false } } @@ -167,7 +167,7 @@ impl SocketAddrExt for Ipv6Addr { fn is_within(&self, ipnet: &IpNetwork) -> bool { match ipnet { - &IpNetwork::V6(ipnet) => ipnet.contains(*self), + IpNetwork::V6(ipnet) => ipnet.contains(*self), _ => false } } @@ -212,28 +212,28 @@ impl SocketAddrExt for IpAddr { #[cfg(not(any(windows, target_os = "android")))] mod getinterfaces { - use std::{mem, io, ptr}; + use std::{mem, io}; use libc::{AF_INET, AF_INET6}; use libc::{getifaddrs, freeifaddrs, ifaddrs, sockaddr, sockaddr_in, sockaddr_in6}; use std::net::{Ipv4Addr, Ipv6Addr, IpAddr}; fn convert_sockaddr(sa: *mut sockaddr) -> Option { - if sa == ptr::null_mut() { return None; } + if sa.is_null() { return None; } - let (addr, _) = match unsafe { *sa }.sa_family as i32 { + let (addr, _) = match i32::from(unsafe { *sa }.sa_family) { AF_INET => { - let sa: *const sockaddr_in = unsafe { mem::transmute(sa) }; - let sa = & unsafe { *sa }; + let sa: *const sockaddr_in = sa as *const sockaddr_in; + let sa = unsafe { &*sa }; let (addr, port) = (sa.sin_addr.s_addr, sa.sin_port); (IpAddr::V4(Ipv4Addr::new( - (addr & 0x000000FF) as u8, - ((addr & 0x0000FF00) >> 8) as u8, - ((addr & 0x00FF0000) >> 16) as u8, - ((addr & 0xFF000000) >> 24) as u8)), + (addr & 0x0000_00FF) as u8, + ((addr & 0x0000_FF00) >> 8) as u8, + ((addr & 0x00FF_0000) >> 16) as u8, + ((addr & 0xFF00_0000) >> 24) as u8)), port) }, AF_INET6 => { - let sa: *const sockaddr_in6 = unsafe { mem::transmute(sa) }; + let sa: *const sockaddr_in6 = sa as *const sockaddr_in6; let sa = & unsafe { *sa }; let (addr, port) = (sa.sin6_addr.s6_addr, sa.sin6_port); let addr: [u16; 8] = unsafe { mem::transmute(addr) }; @@ -266,7 +266,7 @@ mod getinterfaces { let mut ret = Vec::new(); let mut cur: *mut ifaddrs = ifap; - while cur != ptr::null_mut() { + while !cur.is_null() { if let Some(ip_addr) = convert_ifaddrs(cur) { ret.push(ip_addr); } @@ -297,16 +297,16 @@ pub fn select_public_address(port: u16) -> SocketAddr { //prefer IPV4 bindings for addr in &list { //TODO: use better criteria than just the first in the list match addr { - &IpAddr::V4(a) if !a.is_reserved() => { - return SocketAddr::V4(SocketAddrV4::new(a, port)); + IpAddr::V4(a) if !a.is_reserved() => { + return SocketAddr::V4(SocketAddrV4::new(*a, port)); }, _ => {}, } } for addr in &list { match addr { - &IpAddr::V6(a) if !a.is_reserved() => { - return SocketAddr::V6(SocketAddrV6::new(a, port, 0, 0)); + IpAddr::V6(a) if !a.is_reserved() => { + return SocketAddr::V6(SocketAddrV6::new(*a, port, 0, 0)); }, _ => {}, } @@ -319,7 +319,7 @@ pub fn select_public_address(port: u16) -> SocketAddr { pub fn map_external_address(local: &NodeEndpoint) -> Option { if let SocketAddr::V4(ref local_addr) = local.address { - match search_gateway_from_timeout(local_addr.ip().clone(), Duration::new(5, 0)) { + match search_gateway_from_timeout(*local_addr.ip(), Duration::new(5, 0)) { Err(ref err) => debug!("Gateway search error: {}", err), Ok(gateway) => { match gateway.get_external_ip() { @@ -327,17 +327,17 @@ pub fn map_external_address(local: &NodeEndpoint) -> Option { debug!("IP request error: {}", err); }, Ok(external_addr) => { - match gateway.add_any_port(PortMappingProtocol::TCP, SocketAddrV4::new(local_addr.ip().clone(), local_addr.port()), 0, "Parity Node/TCP") { + match gateway.add_any_port(PortMappingProtocol::TCP, SocketAddrV4::new(*local_addr.ip(), local_addr.port()), 0, "Parity Node/TCP") { Err(ref err) => { debug!("Port mapping error: {}", err); }, Ok(tcp_port) => { - match gateway.add_any_port(PortMappingProtocol::UDP, SocketAddrV4::new(local_addr.ip().clone(), local.udp_port), 0, "Parity Node/UDP") { + match gateway.add_any_port(PortMappingProtocol::UDP, SocketAddrV4::new(*local_addr.ip(), local.udp_port), 0, "Parity Node/UDP") { Err(ref err) => { debug!("Port mapping error: {}", err); }, Ok(udp_port) => { - return Some(NodeEndpoint { address: SocketAddr::V4(SocketAddrV4::new(external_addr, tcp_port)), udp_port: udp_port }); + return Some(NodeEndpoint { address: SocketAddr::V4(SocketAddrV4::new(external_addr, tcp_port)), udp_port }); }, } }, diff --git a/util/network-devp2p/src/node_table.rs b/util/network-devp2p/src/node_table.rs index 8640901cd..d5d0207ec 100644 --- a/util/network-devp2p/src/node_table.rs +++ b/util/network-devp2p/src/node_table.rs @@ -26,7 +26,7 @@ use std::hash::{Hash, Hasher}; use std::net::{SocketAddr, ToSocketAddrs, SocketAddrV4, SocketAddrV6, Ipv4Addr, Ipv6Addr}; use std::path::PathBuf; use std::str::FromStr; -use std::{fs, mem, slice}; +use std::{fs, slice}; use std::time::{self, Duration, SystemTime}; use rand::{self, Rng}; @@ -45,8 +45,8 @@ pub struct NodeEndpoint { impl NodeEndpoint { pub fn udp_address(&self) -> SocketAddr { match self.address { - SocketAddr::V4(a) => SocketAddr::V4(SocketAddrV4::new(a.ip().clone(), self.udp_port)), - SocketAddr::V6(a) => SocketAddr::V6(SocketAddrV6::new(a.ip().clone(), self.udp_port, a.flowinfo(), a.scope_id())), + SocketAddr::V4(a) => SocketAddr::V4(SocketAddrV4::new(*a.ip(), self.udp_port)), + SocketAddr::V6(a) => SocketAddr::V6(SocketAddrV6::new(*a.ip(), self.udp_port, a.flowinfo(), a.scope_id())), } } @@ -61,10 +61,10 @@ impl NodeEndpoint { pub fn is_allowed_by_predefined(&self, filter: &AllowIP) -> bool { match filter { - &AllowIP::All => true, - &AllowIP::Private => self.address.ip().is_usable_private(), - &AllowIP::Public => self.address.ip().is_usable_public(), - &AllowIP::None => false, + AllowIP::All => true, + AllowIP::Private => self.address.ip().is_usable_private(), + AllowIP::Public => self.address.ip().is_usable_public(), + AllowIP::None => false, } } @@ -75,13 +75,13 @@ impl NodeEndpoint { let address = match addr_bytes.len() { 4 => Ok(SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(addr_bytes[0], addr_bytes[1], addr_bytes[2], addr_bytes[3]), tcp_port))), 16 => unsafe { - let o: *const u16 = mem::transmute(addr_bytes.as_ptr()); + let o: *const u16 = addr_bytes.as_ptr() as *const u16; let o = slice::from_raw_parts(o, 8); Ok(SocketAddr::V6(SocketAddrV6::new(Ipv6Addr::new(o[0], o[1], o[2], o[3], o[4], o[5], o[6], o[7]), tcp_port, 0, 0))) }, _ => Err(DecoderError::RlpInconsistentLengthAndData) }?; - Ok(NodeEndpoint { address: address, udp_port: udp_port }) + Ok(NodeEndpoint { address, udp_port }) } pub fn to_rlp(&self, rlp: &mut RlpStream) { @@ -90,7 +90,7 @@ impl NodeEndpoint { rlp.append(&(&a.ip().octets()[..])); } SocketAddr::V6(a) => unsafe { - let o: *const u8 = mem::transmute(a.ip().segments().as_ptr()); + let o: *const u8 = a.ip().segments().as_ptr() as *const u8; rlp.append(&slice::from_raw_parts(o, 16)); } }; @@ -184,8 +184,8 @@ pub struct Node { impl Node { pub fn new(id: NodeId, endpoint: NodeEndpoint) -> Node { Node { - id: id, - endpoint: endpoint, + id, + endpoint, peer_type: PeerType::Optional, last_contact: None, } @@ -214,8 +214,8 @@ impl FromStr for Node { }; Ok(Node { - id: id, - endpoint: endpoint, + id, + endpoint, peer_type: PeerType::Optional, last_contact: None, }) @@ -258,7 +258,7 @@ impl NodeTable { pub fn add_node(&mut self, mut node: Node) { // preserve node last_contact node.last_contact = self.nodes.get(&node.id).and_then(|n| n.last_contact); - self.nodes.insert(node.id.clone(), node); + self.nodes.insert(node.id, node); } /// Returns a list of ordered nodes according to their most recent contact @@ -315,7 +315,7 @@ impl NodeTable { /// Returns node ids sorted by failure percentage, for nodes with the same failure percentage the absolute number of /// failures is considered. - pub fn nodes(&self, filter: IpFilter) -> Vec { + pub fn nodes(&self, filter: &IpFilter) -> Vec { self.ordered_entries().iter() .filter(|n| n.endpoint.is_allowed(&filter)) .map(|n| n.id) @@ -327,7 +327,7 @@ impl NodeTable { pub fn entries(&self) -> Vec { self.ordered_entries().iter().map(|n| NodeEntry { endpoint: n.endpoint.clone(), - id: n.id.clone(), + id: n.id, }).collect() } @@ -344,7 +344,7 @@ impl NodeTable { /// Apply table changes coming from discovery pub fn update(&mut self, mut update: TableUpdates, reserved: &HashSet) { for (_, node) in update.added.drain() { - let entry = self.nodes.entry(node.id.clone()).or_insert_with(|| Node::new(node.id.clone(), node.endpoint.clone())); + let entry = self.nodes.entry(node.id).or_insert_with(|| Node::new(node.id, node.endpoint.clone())); entry.endpoint = node.endpoint; } for r in update.removed { @@ -389,7 +389,7 @@ impl NodeTable { return; } path.push(NODES_FILE); - let node_ids = self.nodes(IpFilter::default()); + let node_ids = self.nodes(&IpFilter::default()); let nodes = node_ids.into_iter() .map(|id| self.nodes.get(&id).expect("self.nodes() only returns node IDs from self.nodes")) .take(MAX_NODES) @@ -428,7 +428,7 @@ impl NodeTable { Ok(table) => { table.nodes.into_iter() .filter_map(|n| n.into_node()) - .map(|n| (n.id.clone(), n)) + .map(|n| (n.id, n)) .collect() }, Err(e) => { @@ -625,7 +625,7 @@ mod tests { // unknown - node 6 - let r = table.nodes(IpFilter::default()); + let r = table.nodes(&IpFilter::default()); assert_eq!(r[0][..], id4[..]); // most recent success assert_eq!(r[1][..], id3[..]); @@ -662,7 +662,7 @@ mod tests { { let table = NodeTable::new(Some(tempdir.path().to_str().unwrap().to_owned())); - let r = table.nodes(IpFilter::default()); + let r = table.nodes(&IpFilter::default()); assert_eq!(r[0][..], id2[..]); // latest success assert_eq!(r[1][..], id1[..]); // unknown assert_eq!(r[2][..], id3[..]); // oldest failure diff --git a/util/network-devp2p/src/service.rs b/util/network-devp2p/src/service.rs index 1b46ca1ae..d8105f649 100644 --- a/util/network-devp2p/src/service.rs +++ b/util/network-devp2p/src/service.rs @@ -165,7 +165,7 @@ impl NetworkService { let host = self.host.read(); if let Some(ref host) = *host { let io_ctxt = IoContext::new(self.io_service.channel(), 0); - host.set_non_reserved_mode(mode, &io_ctxt); + host.set_non_reserved_mode(&mode, &io_ctxt); } } diff --git a/util/network-devp2p/src/session.rs b/util/network-devp2p/src/session.rs index 47eb2cf72..cd8ef56bd 100644 --- a/util/network-devp2p/src/session.rs +++ b/util/network-devp2p/src/session.rs @@ -117,7 +117,7 @@ impl Session { capabilities: Vec::new(), peer_capabilities: Vec::new(), ping: None, - originated: originated, + originated, remote_address: "Handshake".to_owned(), local_address: local_addr, }, @@ -131,7 +131,7 @@ impl Session { fn complete_handshake(&mut self, io: &IoContext, host: &HostInfo) -> Result<(), Error> where Message: Send + Sync + Clone { let connection = if let State::Handshake(ref mut h) = self.state { - self.info.id = Some(h.id.clone()); + self.info.id = Some(h.id); self.info.remote_address = h.connection.remote_addr_str(); EncryptedConnection::new(h)? } else { @@ -204,7 +204,7 @@ impl Session { } } if let Some(data) = packet_data { - return Ok(self.read_packet(io, data, host)?); + return Ok(self.read_packet(io, &data, host)?); } if create_session { self.complete_handshake(io, host)?; @@ -277,7 +277,7 @@ impl Session { None => packet_id }; let mut rlp = RlpStream::new(); - rlp.append(&(pid as u32)); + rlp.append(&(u32::from(pid))); let mut compressed = Vec::new(); let mut payload = data; // create a reference with local lifetime if self.compression { @@ -329,7 +329,7 @@ impl Session { } } - fn read_packet(&mut self, io: &IoContext, packet: Packet, host: &HostInfo) -> Result + fn read_packet(&mut self, io: &IoContext, packet: &Packet, host: &HostInfo) -> Result where Message: Send + Sync + Clone { if packet.data.len() < 2 { return Err(ErrorKind::BadProtocol.into()); @@ -390,7 +390,7 @@ impl Session { match *self.protocol_states.entry(protocol).or_insert_with(|| ProtocolState::Pending(Vec::new())) { ProtocolState::Connected => { trace!(target: "network", "Packet {} mapped to {:?}:{}, i={}, capabilities={:?}", packet_id, protocol, protocol_packet_id, i, self.info.capabilities); - Ok(SessionData::Packet { data: data, protocol: protocol, packet_id: protocol_packet_id } ) + Ok(SessionData::Packet { data, protocol, packet_id: protocol_packet_id } ) } ProtocolState::Pending(ref mut pending) => { trace!(target: "network", "Packet {} deferred until protocol connection event completion", packet_id); @@ -468,11 +468,11 @@ impl Session { self.info.peer_capabilities = peer_caps; if self.info.capabilities.is_empty() { trace!(target: "network", "No common capabilities with peer."); - return Err(From::from(self.disconnect(io, DisconnectReason::UselessPeer))); + return Err(self.disconnect(io, DisconnectReason::UselessPeer)); } if protocol < MIN_PROTOCOL_VERSION { trace!(target: "network", "Peer protocol version mismatch: {}", protocol); - return Err(From::from(self.disconnect(io, DisconnectReason::UselessPeer))); + return Err(self.disconnect(io, DisconnectReason::UselessPeer)); } self.compression = protocol >= MIN_COMPRESSION_PROTOCOL_VERSION; self.send_ping(io)?; diff --git a/whisper/cli/src/main.rs b/whisper/cli/src/main.rs index f245e99e4..d76c216be 100644 --- a/whisper/cli/src/main.rs +++ b/whisper/cli/src/main.rs @@ -19,6 +19,9 @@ //! Spawns an Ethereum network instance and attaches the Whisper protocol RPCs to it. //! +#![warn(missing_docs)] +#![cfg_attr(feature = "cargo-clippy", deny(clippy, clippy_pedantic))] + extern crate docopt; extern crate ethcore_network_devp2p as devp2p; extern crate ethcore_network as net;