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A bit more simplification of generics in VL1 and VL1Service.

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This commit is contained in:
Adam Ierymenko 2023-01-02 14:49:37 -05:00
parent 2fcc9e63c6
commit d9e68701b6
10 changed files with 240 additions and 264 deletions
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6
controller/src/database.rs
View file

@ -1,10 +1,10 @@
use async_trait::async_trait; use async_trait::async_trait;
use zerotier_crypto::secure_eq; use zerotier_crypto::secure_eq;
use zerotier_network_hypervisor::vl1::{Address, InetAddress, NodeStorageProvider}; use zerotier_network_hypervisor::vl1::{Address, InetAddress};
use zerotier_network_hypervisor::vl2::NetworkId; use zerotier_network_hypervisor::vl2::NetworkId;
use zerotier_utils::tokio::sync::broadcast::Receiver; use zerotier_utils::tokio::sync::broadcast::Receiver;
use zerotier_vl1_service::VL1DataStorage;
use crate::model::*; use crate::model::*;
@ -22,7 +22,7 @@ pub enum Change {
} }
#[async_trait] #[async_trait]
pub trait Database: Sync + Send + NodeStorageProvider + 'static { pub trait Database: Sync + Send + VL1DataStorage + 'static {
async fn list_networks(&self) -> Result<Vec<NetworkId>, Error>; async fn list_networks(&self) -> Result<Vec<NetworkId>, Error>;
async fn get_network(&self, id: NetworkId) -> Result<Option<Network>, Error>; async fn get_network(&self, id: NetworkId) -> Result<Option<Network>, Error>;
async fn save_network(&self, obj: Network, generate_change_notification: bool) -> Result<(), Error>; async fn save_network(&self, obj: Network, generate_change_notification: bool) -> Result<(), Error>;

87
controller/src/filedatabase.rs
View file

@ -1,21 +1,20 @@
use std::path::{Path, PathBuf}; use std::path::{Path, PathBuf};
use std::str::FromStr;
use std::sync::atomic::{AtomicU64, Ordering};
use std::sync::{Arc, Mutex, Weak}; use std::sync::{Arc, Mutex, Weak};
use async_trait::async_trait; use async_trait::async_trait;
use notify::{RecursiveMode, Watcher}; use notify::{RecursiveMode, Watcher};
use serde::de::DeserializeOwned; use serde::de::DeserializeOwned;
use zerotier_network_hypervisor::vl1::{Address, Identity, NodeStorageProvider, Verified}; use zerotier_network_hypervisor::vl1::{Address, Identity, Verified};
use zerotier_network_hypervisor::vl2::NetworkId; use zerotier_network_hypervisor::vl2::NetworkId;
use zerotier_utils::io::{fs_restrict_permissions, read_limit};
use zerotier_utils::reaper::Reaper; use zerotier_utils::reaper::Reaper;
use zerotier_utils::tokio::fs; use zerotier_utils::tokio::fs;
use zerotier_utils::tokio::runtime::Handle; use zerotier_utils::tokio::runtime::Handle;
use zerotier_utils::tokio::sync::broadcast::{channel, Receiver, Sender}; use zerotier_utils::tokio::sync::broadcast::{channel, Receiver, Sender};
use zerotier_utils::tokio::task::JoinHandle; use zerotier_utils::tokio::task::JoinHandle;
use zerotier_utils::tokio::time::{sleep, Duration, Instant}; use zerotier_utils::tokio::time::{sleep, Duration, Instant};
use zerotier_vl1_service::datadir::{load_node_identity, save_node_identity};
use zerotier_vl1_service::VL1DataStorage;
use crate::cache::Cache; use crate::cache::Cache;
use crate::database::{Change, Database, Error}; use crate::database::{Change, Database, Error};
@ -34,7 +33,7 @@ const EVENT_HANDLER_TASK_TIMEOUT: Duration = Duration::from_secs(5);
/// is different from V1 so it'll need a converter to use with V1 FileDb controller data. /// is different from V1 so it'll need a converter to use with V1 FileDb controller data.
pub struct FileDatabase { pub struct FileDatabase {
base_path: PathBuf, base_path: PathBuf,
controller_address: AtomicU64, local_identity: Verified<Identity>,
change_sender: Sender<Change>, change_sender: Sender<Change>,
tasks: Reaper, tasks: Reaper,
cache: Cache, cache: Cache,
@ -53,9 +52,13 @@ impl FileDatabase {
let db_weak = db_weak_tmp.clone(); let db_weak = db_weak_tmp.clone();
let runtime2 = runtime.clone(); let runtime2 = runtime.clone();
let local_identity = load_node_identity(base_path.as_path())
.ok_or(std::io::Error::new(std::io::ErrorKind::NotFound, "identity.secret not found"))?;
let controller_address = local_identity.address;
let db = Arc::new(Self { let db = Arc::new(Self {
base_path: base_path.clone(), base_path: base_path.clone(),
controller_address: AtomicU64::new(0), local_identity,
change_sender, change_sender,
tasks: Reaper::new(&runtime2), tasks: Reaper::new(&runtime2),
cache: Cache::new(), cache: Cache::new(),
@ -65,7 +68,6 @@ impl FileDatabase {
match event.kind { match event.kind {
notify::EventKind::Create(_) | notify::EventKind::Modify(_) | notify::EventKind::Remove(_) => { notify::EventKind::Create(_) | notify::EventKind::Modify(_) | notify::EventKind::Remove(_) => {
if let Some(db) = db_weak.lock().unwrap().upgrade() { if let Some(db) = db_weak.lock().unwrap().upgrade() {
if let Some(controller_address) = db.get_controller_address() {
db.clone().tasks.add( db.clone().tasks.add(
runtime.spawn(async move { runtime.spawn(async move {
if let Some(path0) = event.paths.first() { if let Some(path0) = event.paths.first() {
@ -118,18 +120,13 @@ impl FileDatabase {
if deleted.is_some() { if deleted.is_some() {
match record_type { match record_type {
RecordType::Network => { RecordType::Network => {
if let Some((network, members)) = if let Some((network, members)) = db.cache.on_network_deleted(network_id) {
db.cache.on_network_deleted(network_id) let _ = db.change_sender.send(Change::NetworkDeleted(network, members));
{
let _ =
db.change_sender.send(Change::NetworkDeleted(network, members));
} }
} }
RecordType::Member => { RecordType::Member => {
if let Some(node_id) = node_id { if let Some(node_id) = node_id {
if let Some(member) = if let Some(member) = db.cache.on_member_deleted(network_id, node_id) {
db.cache.on_member_deleted(network_id, node_id)
{
let _ = db.change_sender.send(Change::MemberDeleted(member)); let _ = db.change_sender.send(Change::MemberDeleted(member));
} }
} }
@ -141,9 +138,7 @@ impl FileDatabase {
if let Some(changed) = changed { if let Some(changed) = changed {
match record_type { match record_type {
RecordType::Network => { RecordType::Network => {
if let Ok(Some(new_network)) = if let Ok(Some(new_network)) = Self::load_object::<Network>(changed).await {
Self::load_object::<Network>(changed).await
{
match db.cache.on_network_updated(new_network.clone()) { match db.cache.on_network_updated(new_network.clone()) {
(true, Some(old_network)) => { (true, Some(old_network)) => {
let _ = db let _ = db
@ -151,17 +146,15 @@ impl FileDatabase {
.send(Change::NetworkChanged(old_network, new_network)); .send(Change::NetworkChanged(old_network, new_network));
} }
(true, None) => { (true, None) => {
let _ = db let _ =
.change_sender db.change_sender.send(Change::NetworkCreated(new_network));
.send(Change::NetworkCreated(new_network));
} }
_ => {} _ => {}
} }
} }
} }
RecordType::Member => { RecordType::Member => {
if let Ok(Some(new_member)) = Self::load_object::<Member>(changed).await if let Ok(Some(new_member)) = Self::load_object::<Member>(changed).await {
{
match db.cache.on_member_updated(new_member.clone()) { match db.cache.on_member_updated(new_member.clone()) {
(true, Some(old_member)) => { (true, Some(old_member)) => {
let _ = db let _ = db
@ -169,9 +162,8 @@ impl FileDatabase {
.send(Change::MemberChanged(old_member, new_member)); .send(Change::MemberChanged(old_member, new_member));
} }
(true, None) => { (true, None) => {
let _ = db let _ =
.change_sender db.change_sender.send(Change::MemberCreated(new_member));
.send(Change::MemberCreated(new_member));
} }
_ => {} _ => {}
} }
@ -187,7 +179,6 @@ impl FileDatabase {
); );
} }
} }
}
_ => {} _ => {}
} }
} }
@ -215,20 +206,6 @@ impl FileDatabase {
Ok(db) Ok(db)
} }
fn get_controller_address(&self) -> Option<Address> {
let a = self.controller_address.load(Ordering::Relaxed);
if a == 0 {
if let Some(id) = self.load_node_identity() {
self.controller_address.store(id.address.into(), Ordering::Relaxed);
Some(id.address)
} else {
None
}
} else {
Address::from_u64(a)
}
}
fn network_path(&self, network_id: NetworkId) -> PathBuf { fn network_path(&self, network_id: NetworkId) -> PathBuf {
self.base_path.join(format!("N{:06x}", network_id.network_no())).join("config.yaml") self.base_path.join(format!("N{:06x}", network_id.network_no())).join("config.yaml")
} }
@ -274,25 +251,13 @@ impl Drop for FileDatabase {
} }
} }
impl NodeStorageProvider for FileDatabase { impl VL1DataStorage for FileDatabase {
fn load_node_identity(&self) -> Option<Verified<Identity>> { fn load_node_identity(&self) -> Option<Verified<Identity>> {
let id_data = read_limit(self.base_path.join(IDENTITY_SECRET_FILENAME), 16384); load_node_identity(self.base_path.as_path())
if id_data.is_err() {
return None;
}
let id_data = Identity::from_str(String::from_utf8_lossy(id_data.unwrap().as_slice()).as_ref());
if id_data.is_err() {
return None;
}
Some(Verified::assume_verified(id_data.unwrap()))
} }
fn save_node_identity(&self, id: &Verified<Identity>) { fn save_node_identity(&self, id: &Verified<Identity>) -> bool {
assert!(id.secret.is_some()); save_node_identity(self.base_path.as_path(), id)
let id_secret_str = id.to_secret_string();
let secret_path = self.base_path.join(IDENTITY_SECRET_FILENAME);
assert!(std::fs::write(&secret_path, id_secret_str.as_bytes()).is_ok());
assert!(fs_restrict_permissions(&secret_path));
} }
} }
@ -300,8 +265,7 @@ impl NodeStorageProvider for FileDatabase {
impl Database for FileDatabase { impl Database for FileDatabase {
async fn list_networks(&self) -> Result<Vec<NetworkId>, Error> { async fn list_networks(&self) -> Result<Vec<NetworkId>, Error> {
let mut networks = Vec::new(); let mut networks = Vec::new();
if let Some(controller_address) = self.get_controller_address() { let controller_address_shift24 = u64::from(self.local_identity.address).wrapping_shl(24);
let controller_address_shift24 = u64::from(controller_address).wrapping_shl(24);
let mut dir = fs::read_dir(&self.base_path).await?; let mut dir = fs::read_dir(&self.base_path).await?;
while let Ok(Some(ent)) = dir.next_entry().await { while let Ok(Some(ent)) = dir.next_entry().await {
if ent.file_type().await.map_or(false, |t| t.is_dir()) { if ent.file_type().await.map_or(false, |t| t.is_dir()) {
@ -318,7 +282,6 @@ impl Database for FileDatabase {
} }
} }
} }
}
Ok(networks) Ok(networks)
} }
@ -328,14 +291,12 @@ impl Database for FileDatabase {
// FileDatabase stores networks by their "network number" and automatically adapts their IDs // FileDatabase stores networks by their "network number" and automatically adapts their IDs
// if the controller's identity changes. This is done to make it easy to just clone networks, // if the controller's identity changes. This is done to make it easy to just clone networks,
// including storing them in "git." // including storing them in "git."
if let Some(controller_address) = self.get_controller_address() { let network_id_should_be = network.id.change_network_controller(self.local_identity.address);
let network_id_should_be = network.id.change_network_controller(controller_address);
if network.id != network_id_should_be { if network.id != network_id_should_be {
network.id = network_id_should_be; network.id = network_id_should_be;
let _ = self.save_network(network.clone(), false).await?; let _ = self.save_network(network.clone(), false).await?;
} }
} }
}
Ok(network) Ok(network)
} }

17
controller/src/main.rs
View file

@ -7,7 +7,7 @@ use clap::{Arg, Command};
use zerotier_network_controller::database::Database; use zerotier_network_controller::database::Database;
use zerotier_network_controller::filedatabase::FileDatabase; use zerotier_network_controller::filedatabase::FileDatabase;
use zerotier_network_controller::Controller; use zerotier_network_controller::Controller;
use zerotier_network_hypervisor::vl1::PeerFilter;
use zerotier_network_hypervisor::{VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION}; use zerotier_network_hypervisor::{VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION};
use zerotier_utils::exitcode; use zerotier_utils::exitcode;
use zerotier_utils::tokio::runtime::Runtime; use zerotier_utils::tokio::runtime::Runtime;
@ -22,8 +22,8 @@ async fn run(database: Arc<impl Database>, runtime: &Runtime) -> i32 {
let handler = handler.unwrap(); let handler = handler.unwrap();
let svc = VL1Service::new( let svc = VL1Service::new(
database, Arc::new(AdmitAllPeerFilter),
handler.clone(), database.clone(),
handler.clone(), handler.clone(),
zerotier_vl1_service::VL1Settings::default(), zerotier_vl1_service::VL1Settings::default(),
); );
@ -98,3 +98,14 @@ fn main() {
std::process::exit(exitcode::ERR_IOERR) std::process::exit(exitcode::ERR_IOERR)
} }
} }
struct AdmitAllPeerFilter;
impl PeerFilter for AdmitAllPeerFilter {
fn should_respond_to(&self, id: &zerotier_crypto::verified::Verified<zerotier_network_hypervisor::vl1::Identity>) -> bool {
true
}
fn has_trust_relationship(&self, id: &zerotier_crypto::verified::Verified<zerotier_network_hypervisor::vl1::Identity>) -> bool {
true
}
}

10
controller/src/postgresdatabase.rs
View file

@ -12,7 +12,7 @@ use tokio_postgres::{Client, Statement};
use zerotier_crypto::secure_eq; use zerotier_crypto::secure_eq;
use zerotier_crypto::verified::Verified; use zerotier_crypto::verified::Verified;
use zerotier_network_hypervisor::vl1::{Address, Identity, InetAddress, NodeStorageProvider}; use zerotier_network_hypervisor::vl1::{Address, Identity, InetAddress};
use zerotier_network_hypervisor::vl2::networkconfig::IpRoute; use zerotier_network_hypervisor::vl2::networkconfig::IpRoute;
use zerotier_network_hypervisor::vl2::rule::Rule; use zerotier_network_hypervisor::vl2::rule::Rule;
use zerotier_network_hypervisor::vl2::NetworkId; use zerotier_network_hypervisor::vl2::NetworkId;
@ -22,6 +22,7 @@ use zerotier_utils::tokio;
use zerotier_utils::tokio::runtime::Handle; use zerotier_utils::tokio::runtime::Handle;
use zerotier_utils::tokio::sync::broadcast::{channel, Receiver, Sender}; use zerotier_utils::tokio::sync::broadcast::{channel, Receiver, Sender};
use zerotier_utils::tokio::task::JoinHandle; use zerotier_utils::tokio::task::JoinHandle;
use zerotier_vl1_service::VL1DataStorage;
use crate::database::*; use crate::database::*;
use crate::model::{IpAssignmentPool, Member, Network, RequestLogItem}; use crate::model::{IpAssignmentPool, Member, Network, RequestLogItem};
@ -187,14 +188,13 @@ impl PostgresDatabase {
} }
} }
impl NodeStorageProvider for PostgresDatabase { impl VL1DataStorage for PostgresDatabase {
fn load_node_identity(&self) -> Option<Verified<Identity>> { fn load_node_identity(&self) -> Option<Verified<Identity>> {
Some(self.local_identity.clone()) Some(self.local_identity.clone())
} }
fn save_node_identity(&self, _: &Verified<Identity>) { fn save_node_identity(&self, id: &Verified<Identity>) -> bool {
eprintln!("FATAL: NodeStorage::save_node_identity() not implemented in PostgresDatabase, identity must be pregenerated"); panic!("local identity saving not supported by PostgresDatabase")
panic!();
} }
} }

2
network-hypervisor/src/vl1/mod.rs
View file

@ -18,7 +18,7 @@ pub use event::Event;
pub use identity::Identity; pub use identity::Identity;
pub use inetaddress::InetAddress; pub use inetaddress::InetAddress;
pub use mac::MAC; pub use mac::MAC;
pub use node::{ApplicationLayer, DummyInnerLayer, InnerProtocolLayer, Node, NodeStorageProvider, PacketHandlerResult, PeerFilter}; pub use node::{ApplicationLayer, InnerProtocolLayer, Node, PacketHandlerResult, PeerFilter};
pub use path::Path; pub use path::Path;
pub use peer::Peer; pub use peer::Peer;
pub use rootset::{Root, RootSet}; pub use rootset::{Root, RootSet};

92
network-hypervisor/src/vl1/node.rs
View file

@ -31,7 +31,7 @@ use zerotier_utils::thing::Thing;
/// ///
/// This is analogous to a C struct full of function pointers to callbacks along with some /// This is analogous to a C struct full of function pointers to callbacks along with some
/// associated type definitions. /// associated type definitions.
pub trait ApplicationLayer: 'static { pub trait ApplicationLayer: Sync + Send {
/// Type for local system sockets. /// Type for local system sockets.
type LocalSocket: Sync + Send + Hash + PartialEq + Eq + Clone + ToString + Sized + 'static; type LocalSocket: Sync + Send + Hash + PartialEq + Eq + Clone + ToString + Sized + 'static;
@ -41,8 +41,11 @@ pub trait ApplicationLayer: 'static {
/// A VL1 level event occurred. /// A VL1 level event occurred.
fn event(&self, event: Event); fn event(&self, event: Event);
/// Get a reference to the local storage implementation at this host. /// Load this node's identity from the data store.
fn storage(&self) -> &dyn NodeStorageProvider; fn load_node_identity(&self) -> Option<Verified<Identity>>;
/// Save this node's identity to the data store, returning true on success.
fn save_node_identity(&self, id: &Verified<Identity>) -> bool;
/// Get the PeerFilter implementation used to check whether this node should communicate at VL1 with other peers. /// Get the PeerFilter implementation used to check whether this node should communicate at VL1 with other peers.
fn peer_filter(&self) -> &dyn PeerFilter; fn peer_filter(&self) -> &dyn PeerFilter;
@ -128,15 +131,6 @@ pub trait PeerFilter: Sync + Send {
fn has_trust_relationship(&self, id: &Verified<Identity>) -> bool; fn has_trust_relationship(&self, id: &Verified<Identity>) -> bool;
} }
/// Trait to be implemented by outside code to provide object storage to VL1
pub trait NodeStorageProvider: Sync + Send {
/// Load this node's identity from the data store.
fn load_node_identity(&self) -> Option<Verified<Identity>>;
/// Save this node's identity to the data store.
fn save_node_identity(&self, id: &Verified<Identity>);
}
/// Result of a packet handler. /// Result of a packet handler.
pub enum PacketHandlerResult { pub enum PacketHandlerResult {
/// Packet was handled successfully. /// Packet was handled successfully.
@ -252,7 +246,7 @@ struct WhoisQueueItem {
} }
const PATH_MAP_SIZE: usize = std::mem::size_of::<HashMap<[u8; std::mem::size_of::<Endpoint>() + 128], Arc<Path>>>(); const PATH_MAP_SIZE: usize = std::mem::size_of::<HashMap<[u8; std::mem::size_of::<Endpoint>() + 128], Arc<Path>>>();
type PathMap<Application> = HashMap<PathKey<'static, 'static, Application>, Arc<Path>>; type PathMap<LocalSocket> = HashMap<PathKey<'static, 'static, LocalSocket>, Arc<Path>>;
/// A ZeroTier VL1 node that can communicate securely with the ZeroTier peer-to-peer network. /// A ZeroTier VL1 node that can communicate securely with the ZeroTier peer-to-peer network.
pub struct Node { pub struct Node {
@ -291,14 +285,14 @@ impl Node {
auto_upgrade_identity: bool, auto_upgrade_identity: bool,
) -> Result<Self, InvalidParameterError> { ) -> Result<Self, InvalidParameterError> {
let mut id = { let mut id = {
let id = app.storage().load_node_identity(); let id = app.load_node_identity();
if id.is_none() { if id.is_none() {
if !auto_generate_identity { if !auto_generate_identity {
return Err(InvalidParameterError("no identity found and auto-generate not enabled")); return Err(InvalidParameterError("no identity found and auto-generate not enabled"));
} else { } else {
let id = Identity::generate(); let id = Identity::generate();
app.event(Event::IdentityAutoGenerated(id.as_ref().clone())); app.event(Event::IdentityAutoGenerated(id.as_ref().clone()));
app.storage().save_node_identity(&id); app.save_node_identity(&id);
id id
} }
} else { } else {
@ -309,7 +303,7 @@ impl Node {
if auto_upgrade_identity { if auto_upgrade_identity {
let old = id.clone(); let old = id.clone();
if id.upgrade()? { if id.upgrade()? {
app.storage().save_node_identity(&id); app.save_node_identity(&id);
app.event(Event::IdentityAutoUpgraded(old.unwrap(), id.as_ref().clone())); app.event(Event::IdentityAutoUpgraded(old.unwrap(), id.as_ref().clone()));
} }
} }
@ -320,7 +314,7 @@ impl Node {
instance_id: random::get_bytes_secure(), instance_id: random::get_bytes_secure(),
identity: id, identity: id,
intervals: Mutex::new(BackgroundTaskIntervals::default()), intervals: Mutex::new(BackgroundTaskIntervals::default()),
paths: RwLock::new(Thing::new(PathMap::<Application>::new())), paths: RwLock::new(Thing::new(PathMap::<Application::LocalSocket>::new())),
peers: RwLock::new(HashMap::new()), peers: RwLock::new(HashMap::new()),
roots: RwLock::new(RootInfo { roots: RwLock::new(RootInfo {
sets: HashMap::new(), sets: HashMap::new(),
@ -673,7 +667,7 @@ impl Node {
let mut need_keepalive = Vec::new(); let mut need_keepalive = Vec::new();
// First check all paths in read mode to avoid blocking the entire node. // First check all paths in read mode to avoid blocking the entire node.
for (k, path) in self.paths.read().unwrap().get::<PathMap<Application>>().iter() { for (k, path) in self.paths.read().unwrap().get::<PathMap<Application::LocalSocket>>().iter() {
if app.local_socket_is_valid(k.local_socket()) { if app.local_socket_is_valid(k.local_socket()) {
match path.service(time_ticks) { match path.service(time_ticks) {
PathServiceResult::Ok => {} PathServiceResult::Ok => {}
@ -687,7 +681,11 @@ impl Node {
// Lock in write mode and remove dead paths, doing so piecemeal to again avoid blocking. // Lock in write mode and remove dead paths, doing so piecemeal to again avoid blocking.
for dp in dead_paths.iter() { for dp in dead_paths.iter() {
self.paths.write().unwrap().get_mut::<PathMap<Application>>().remove(dp); self.paths
.write()
.unwrap()
.get_mut::<PathMap<Application::LocalSocket>>()
.remove(dp);
} }
// Finally run keepalive sends as a batch. // Finally run keepalive sends as a batch.
@ -1028,14 +1026,17 @@ impl Node {
time_ticks: i64, time_ticks: i64,
) -> Arc<Path> { ) -> Arc<Path> {
let paths = self.paths.read().unwrap(); let paths = self.paths.read().unwrap();
if let Some(path) = paths.get::<PathMap<Application>>().get(&PathKey::Ref(ep, local_socket)) { if let Some(path) = paths
.get::<PathMap<Application::LocalSocket>>()
.get(&PathKey::Ref(ep, local_socket))
{
path.clone() path.clone()
} else { } else {
drop(paths); drop(paths);
self.paths self.paths
.write() .write()
.unwrap() .unwrap()
.get_mut::<PathMap<Application>>() .get_mut::<PathMap<Application::LocalSocket>>()
.entry(PathKey::Copied(ep.clone(), local_socket.clone())) .entry(PathKey::Copied(ep.clone(), local_socket.clone()))
.or_insert_with(|| { .or_insert_with(|| {
Arc::new(Path::new::<Application>( Arc::new(Path::new::<Application>(
@ -1050,14 +1051,14 @@ impl Node {
} }
} }
/// Key used to look up paths in a hash map /// Key used to look up paths in a hash map efficiently.
/// This supports copied keys for storing and refs for fast lookup without having to copy anything. enum PathKey<'a, 'b, LocalSocket: Hash + PartialEq + Eq + Clone> {
enum PathKey<'a, 'b, Application: ApplicationLayer + ?Sized> { Copied(Endpoint, LocalSocket),
Copied(Endpoint, Application::LocalSocket), Ref(&'a Endpoint, &'b LocalSocket),
Ref(&'a Endpoint, &'b Application::LocalSocket),
} }
impl<Application: ApplicationLayer + ?Sized> Hash for PathKey<'_, '_, Application> { impl<LocalSocket: Hash + PartialEq + Eq + Clone> Hash for PathKey<'_, '_, LocalSocket> {
#[inline]
fn hash<H: std::hash::Hasher>(&self, state: &mut H) { fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
match self { match self {
Self::Copied(ep, ls) => { Self::Copied(ep, ls) => {
@ -1072,7 +1073,8 @@ impl<Application: ApplicationLayer + ?Sized> Hash for PathKey<'_, '_, Applicatio
} }
} }
impl<Application: ApplicationLayer + ?Sized> PartialEq for PathKey<'_, '_, Application> { impl<LocalSocket: Hash + PartialEq + Eq + Clone> PartialEq for PathKey<'_, '_, LocalSocket> {
#[inline]
fn eq(&self, other: &Self) -> bool { fn eq(&self, other: &Self) -> bool {
match (self, other) { match (self, other) {
(Self::Copied(ep1, ls1), Self::Copied(ep2, ls2)) => ep1.eq(ep2) && ls1.eq(ls2), (Self::Copied(ep1, ls1), Self::Copied(ep2, ls2)) => ep1.eq(ep2) && ls1.eq(ls2),
@ -1083,40 +1085,22 @@ impl<Application: ApplicationLayer + ?Sized> PartialEq for PathKey<'_, '_, Appli
} }
} }
impl<Application: ApplicationLayer + ?Sized> Eq for PathKey<'_, '_, Application> {} impl<LocalSocket: Hash + PartialEq + Eq + Clone> Eq for PathKey<'_, '_, LocalSocket> {}
impl<Application: ApplicationLayer + ?Sized> PathKey<'_, '_, Application> { impl<LocalSocket: Hash + PartialEq + Eq + Clone> PathKey<'_, '_, LocalSocket> {
#[inline(always)] #[inline]
fn local_socket(&self) -> &Application::LocalSocket { fn local_socket(&self) -> &LocalSocket {
match self { match self {
Self::Copied(_, ls) => ls, Self::Copied(_, ls) => ls,
Self::Ref(_, ls) => *ls, Self::Ref(_, ls) => *ls,
} }
} }
#[inline(always)] #[inline]
fn to_copied(&self) -> PathKey<'static, 'static, Application> { fn to_copied(&self) -> PathKey<'static, 'static, LocalSocket> {
match self { match self {
Self::Copied(ep, ls) => PathKey::<'static, 'static, Application>::Copied(ep.clone(), ls.clone()), Self::Copied(ep, ls) => PathKey::<'static, 'static, LocalSocket>::Copied(ep.clone(), ls.clone()),
Self::Ref(ep, ls) => PathKey::<'static, 'static, Application>::Copied((*ep).clone(), (*ls).clone()), Self::Ref(ep, ls) => PathKey::<'static, 'static, LocalSocket>::Copied((*ep).clone(), (*ls).clone()),
} }
} }
} }
/// Dummy no-op inner protocol for debugging and testing.
#[derive(Default)]
pub struct DummyInnerLayer;
impl InnerProtocolLayer for DummyInnerLayer {}
impl PeerFilter for DummyInnerLayer {
#[inline(always)]
fn should_respond_to(&self, _: &Verified<Identity>) -> bool {
true
}
#[inline(always)]
fn has_trust_relationship(&self, _: &Verified<Identity>) -> bool {
true
}
}

14
service/src/main.rs
View file

@ -15,6 +15,7 @@ use clap::error::{ContextKind, ContextValue};
#[allow(unused_imports)] #[allow(unused_imports)]
use clap::{Arg, ArgMatches, Command}; use clap::{Arg, ArgMatches, Command};
use zerotier_network_hypervisor::vl1::InnerProtocolLayer;
use zerotier_network_hypervisor::{VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION}; use zerotier_network_hypervisor::{VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION};
use zerotier_utils::exitcode; use zerotier_utils::exitcode;
use zerotier_vl1_service::datadir::DataDir; use zerotier_vl1_service::datadir::DataDir;
@ -209,14 +210,9 @@ fn main() {
Some(("service", _)) => { Some(("service", _)) => {
drop(global_args); // free unnecessary heap before starting service as we're done with CLI args drop(global_args); // free unnecessary heap before starting service as we're done with CLI args
if let Ok(_tokio_runtime) = zerotier_utils::tokio::runtime::Builder::new_multi_thread().enable_all().build() { if let Ok(_tokio_runtime) = zerotier_utils::tokio::runtime::Builder::new_multi_thread().enable_all().build() {
let test_inner = Arc::new(zerotier_network_hypervisor::vl1::DummyInnerLayer::default()); let test_inner = Arc::new(DummyInnerLayer);
let datadir = open_datadir(&flags); let datadir = open_datadir(&flags);
let svc = VL1Service::new( let svc = VL1Service::new(todo!(), datadir, test_inner, zerotier_vl1_service::VL1Settings::default());
datadir,
test_inner.clone(),
test_inner,
zerotier_vl1_service::VL1Settings::default(),
);
if svc.is_ok() { if svc.is_ok() {
let svc = svc.unwrap(); let svc = svc.unwrap();
svc.node().init_default_roots(); svc.node().init_default_roots();
@ -254,3 +250,7 @@ fn main() {
std::process::exit(exit_code); std::process::exit(exit_code);
} }
struct DummyInnerLayer;
impl InnerProtocolLayer for DummyInnerLayer {}

45
vl1-service/src/datadir.rs
View file

@ -8,10 +8,12 @@ use serde::de::DeserializeOwned;
use serde::Serialize; use serde::Serialize;
use zerotier_crypto::random::next_u32_secure; use zerotier_crypto::random::next_u32_secure;
use zerotier_network_hypervisor::vl1::{Identity, NodeStorageProvider, Verified}; use zerotier_network_hypervisor::vl1::{Identity, Verified};
use zerotier_utils::io::{fs_restrict_permissions, read_limit, DEFAULT_FILE_IO_READ_LIMIT}; use zerotier_utils::io::{fs_restrict_permissions, read_limit, DEFAULT_FILE_IO_READ_LIMIT};
use zerotier_utils::json::to_json_pretty; use zerotier_utils::json::to_json_pretty;
use crate::vl1service::VL1DataStorage;
pub const AUTH_TOKEN_FILENAME: &'static str = "authtoken.secret"; pub const AUTH_TOKEN_FILENAME: &'static str = "authtoken.secret";
pub const IDENTITY_PUBLIC_FILENAME: &'static str = "identity.public"; pub const IDENTITY_PUBLIC_FILENAME: &'static str = "identity.public";
pub const IDENTITY_SECRET_FILENAME: &'static str = "identity.secret"; pub const IDENTITY_SECRET_FILENAME: &'static str = "identity.secret";
@ -20,17 +22,8 @@ pub const CONFIG_FILENAME: &'static str = "local.conf";
const AUTH_TOKEN_DEFAULT_LENGTH: usize = 48; const AUTH_TOKEN_DEFAULT_LENGTH: usize = 48;
const AUTH_TOKEN_POSSIBLE_CHARS: &'static str = "0123456789abcdefghijklmnopqrstuvwxyz"; const AUTH_TOKEN_POSSIBLE_CHARS: &'static str = "0123456789abcdefghijklmnopqrstuvwxyz";
pub struct DataDir<Config: PartialEq + Eq + Clone + Send + Sync + Default + Serialize + DeserializeOwned + 'static> { pub fn load_node_identity(base_path: &Path) -> Option<Verified<Identity>> {
pub base_path: PathBuf, let id_data = read_limit(base_path.join(IDENTITY_SECRET_FILENAME), 4096);
config: RwLock<Arc<Config>>,
authtoken: Mutex<String>,
}
impl<Config: PartialEq + Eq + Clone + Send + Sync + Default + Serialize + DeserializeOwned + 'static> NodeStorageProvider
for DataDir<Config>
{
fn load_node_identity(&self) -> Option<Verified<Identity>> {
let id_data = read_limit(self.base_path.join(IDENTITY_SECRET_FILENAME), 4096);
if id_data.is_err() { if id_data.is_err() {
return None; return None;
} }
@ -39,17 +32,33 @@ impl<Config: PartialEq + Eq + Clone + Send + Sync + Default + Serialize + Deseri
return None; return None;
} }
Some(Verified::assume_verified(id_data.unwrap())) Some(Verified::assume_verified(id_data.unwrap()))
} }
fn save_node_identity(&self, id: &Verified<Identity>) { pub fn save_node_identity(base_path: &Path, id: &Verified<Identity>) -> bool {
assert!(id.secret.is_some()); assert!(id.secret.is_some());
let id_secret_str = id.to_secret_string(); let id_secret_str = id.to_secret_string();
let id_public_str = id.to_string(); let id_public_str = id.to_string();
let secret_path = self.base_path.join(IDENTITY_SECRET_FILENAME); let secret_path = base_path.join(IDENTITY_SECRET_FILENAME);
// TODO: handle errors if std::fs::write(&secret_path, id_secret_str.as_bytes()).is_err() {
let _ = std::fs::write(&secret_path, id_secret_str.as_bytes()); return false;
}
assert!(fs_restrict_permissions(&secret_path)); assert!(fs_restrict_permissions(&secret_path));
let _ = std::fs::write(self.base_path.join(IDENTITY_PUBLIC_FILENAME), id_public_str.as_bytes()); return std::fs::write(base_path.join(IDENTITY_PUBLIC_FILENAME), id_public_str.as_bytes()).is_ok();
}
pub struct DataDir<Config: PartialEq + Eq + Clone + Send + Sync + Default + Serialize + DeserializeOwned + 'static> {
pub base_path: PathBuf,
config: RwLock<Arc<Config>>,
authtoken: Mutex<String>,
}
impl<Config: PartialEq + Eq + Clone + Send + Sync + Default + Serialize + DeserializeOwned + 'static> VL1DataStorage for DataDir<Config> {
fn load_node_identity(&self) -> Option<Verified<Identity>> {
load_node_identity(self.base_path.as_path())
}
fn save_node_identity(&self, id: &Verified<Identity>) -> bool {
save_node_identity(self.base_path.as_path(), id)
} }
} }

4
vl1-service/src/sys/udp.rs
View file

@ -42,7 +42,7 @@ fn socket_read_concurrency() -> usize {
} }
} }
pub trait UdpPacketHandler: Send + Sync + 'static { pub trait UdpPacketHandler: Send + Sync {
fn incoming_udp_packet( fn incoming_udp_packet(
self: &Arc<Self>, self: &Arc<Self>,
time_ticks: i64, time_ticks: i64,
@ -189,7 +189,7 @@ impl BoundUdpPort {
/// The caller can check the 'sockets' member variable after calling to determine which if any bindings were /// The caller can check the 'sockets' member variable after calling to determine which if any bindings were
/// successful. Any errors that occurred are returned as tuples of (interface, address, error). The second vector /// successful. Any errors that occurred are returned as tuples of (interface, address, error). The second vector
/// returned contains newly bound sockets. /// returned contains newly bound sockets.
pub fn update_bindings<UdpPacketHandlerImpl: UdpPacketHandler + ?Sized>( pub fn update_bindings<UdpPacketHandlerImpl: UdpPacketHandler + ?Sized + 'static>(
&mut self, &mut self,
interface_prefix_blacklist: &HashSet<String>, interface_prefix_blacklist: &HashSet<String>,
cidr_blacklist: &HashSet<InetAddress>, cidr_blacklist: &HashSet<InetAddress>,

23
vl1-service/src/vl1service.rs
View file

@ -20,6 +20,12 @@ use crate::LocalSocket;
/// Update UDP bindings every this many seconds. /// Update UDP bindings every this many seconds.
const UPDATE_UDP_BINDINGS_EVERY_SECS: usize = 10; const UPDATE_UDP_BINDINGS_EVERY_SECS: usize = 10;
/// Trait to implement to provide storage for VL1-related state information.
pub trait VL1DataStorage: Sync + Send {
fn load_node_identity(&self) -> Option<Verified<Identity>>;
fn save_node_identity(&self, id: &Verified<Identity>) -> bool;
}
/// VL1 service that connects to the physical network and hosts an inner protocol like ZeroTier VL2. /// VL1 service that connects to the physical network and hosts an inner protocol like ZeroTier VL2.
/// ///
/// This is the "outward facing" half of a full ZeroTier stack on a normal system. It binds sockets, /// This is the "outward facing" half of a full ZeroTier stack on a normal system. It binds sockets,
@ -28,8 +34,8 @@ const UPDATE_UDP_BINDINGS_EVERY_SECS: usize = 10;
/// a test harness or just the controller for a controller that runs stand-alone. /// a test harness or just the controller for a controller that runs stand-alone.
pub struct VL1Service<Inner: InnerProtocolLayer + ?Sized + 'static> { pub struct VL1Service<Inner: InnerProtocolLayer + ?Sized + 'static> {
state: RwLock<VL1ServiceMutableState>, state: RwLock<VL1ServiceMutableState>,
storage: Arc<dyn NodeStorageProvider>,
peer_filter: Arc<dyn PeerFilter>, peer_filter: Arc<dyn PeerFilter>,
vl1_data_storage: Arc<dyn VL1DataStorage>,
inner: Arc<Inner>, inner: Arc<Inner>,
buffer_pool: Arc<PacketBufferPool>, buffer_pool: Arc<PacketBufferPool>,
node_container: Option<Node>, // never None, set in new() node_container: Option<Node>, // never None, set in new()
@ -44,8 +50,8 @@ struct VL1ServiceMutableState {
impl<Inner: InnerProtocolLayer + ?Sized + 'static> VL1Service<Inner> { impl<Inner: InnerProtocolLayer + ?Sized + 'static> VL1Service<Inner> {
pub fn new( pub fn new(
storage: Arc<dyn NodeStorageProvider>,
peer_filter: Arc<dyn PeerFilter>, peer_filter: Arc<dyn PeerFilter>,
vl1_data_storage: Arc<dyn VL1DataStorage>,
inner: Arc<Inner>, inner: Arc<Inner>,
settings: VL1Settings, settings: VL1Settings,
) -> Result<Arc<Self>, Box<dyn Error>> { ) -> Result<Arc<Self>, Box<dyn Error>> {
@ -56,8 +62,8 @@ impl<Inner: InnerProtocolLayer + ?Sized + 'static> VL1Service<Inner> {
settings, settings,
running: true, running: true,
}), }),
storage,
peer_filter, peer_filter,
vl1_data_storage,
inner, inner,
buffer_pool: Arc::new(PacketBufferPool::new( buffer_pool: Arc::new(PacketBufferPool::new(
std::thread::available_parallelism().map_or(2, |c| c.get() + 2), std::thread::available_parallelism().map_or(2, |c| c.get() + 2),
@ -212,14 +218,19 @@ impl<Inner: InnerProtocolLayer + ?Sized + 'static> ApplicationLayer for VL1Servi
} }
} }
#[inline] #[inline(always)]
fn local_socket_is_valid(&self, socket: &Self::LocalSocket) -> bool { fn local_socket_is_valid(&self, socket: &Self::LocalSocket) -> bool {
socket.is_valid() socket.is_valid()
} }
#[inline(always)] #[inline(always)]
fn storage(&self) -> &dyn NodeStorageProvider { fn load_node_identity(&self) -> Option<Verified<Identity>> {
self.storage.as_ref() self.vl1_data_storage.load_node_identity()
}
#[inline(always)]
fn save_node_identity(&self, id: &Verified<Identity>) -> bool {
self.vl1_data_storage.save_node_identity(id)
} }
#[inline(always)] #[inline(always)]