Extract server functions from main.rs to lib.rs (#320)

Co-authored-by: sqrtsanta <sqrtsanta@users.noreply.github.com>

Cargo.lock

@@ -667,6 +667,41 @@ version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e186cfbae8084e513daff4240b4797e342f988cecda4fb6c939150f96315fd8"
 
+[[package]]
+name = "innernet-server"
+version = "1.6.1"
+dependencies = [
+ "anyhow",
+ "bytes",
+ "clap",
+ "clap_complete",
+ "colored",
+ "dialoguer",
+ "hyper",
+ "indoc",
+ "ipnet",
+ "libc",
+ "libsqlite3-sys",
+ "log",
+ "once_cell",
+ "parking_lot",
+ "pretty_env_logger",
+ "publicip",
+ "regex",
+ "rusqlite",
+ "serde",
+ "serde_json",
+ "shared",
+ "socket2",
+ "subtle",
+ "tempfile",
+ "thiserror",
+ "tokio",
+ "toml",
+ "url",
+ "wireguard-control",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.9.0"
@@ -1252,41 +1287,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "server"
-version = "1.6.1"
-dependencies = [
- "anyhow",
- "bytes",
- "clap",
- "clap_complete",
- "colored",
- "dialoguer",
- "hyper",
- "indoc",
- "ipnet",
- "libc",
- "libsqlite3-sys",
- "log",
- "once_cell",
- "parking_lot",
- "pretty_env_logger",
- "publicip",
- "regex",
- "rusqlite",
- "serde",
- "serde_json",
- "shared",
- "socket2",
- "subtle",
- "tempfile",
- "thiserror",
- "tokio",
- "toml",
- "url",
- "wireguard-control",
-]
-
 [[package]]
 name = "shared"
 version = "1.6.1"

README.md

@@ -219,7 +219,7 @@ brew install tonarino/innernet/innernet
 cargo install --git https://github.com/tonarino/innernet --tag v1.6.1 client
 
 # to install innernet-server:
-cargo install --git https://github.com/tonarino/innernet --tag v1.6.1 server
+cargo install --git https://github.com/tonarino/innernet --tag v1.6.1 innernet-server
 ```
 
 Note that you'll be responsible for updating manually.

server/Cargo.toml

@@ -9,12 +9,15 @@ description = "A server to coordinate innernet networks."
 edition = "2021"
 homepage = "https://github.com/tonarino/innernet"
 license = "MIT"
-name = "server"
+name = "innernet-server"
 publish = false
 readme = "README.md"
 repository = "https://github.com/tonarino/innernet"
 version = "1.6.1"
 
+[lib]
+path = "src/lib.rs"
+
 [[bin]]
 name = "innernet-server"
 path = "src/main.rs"

server/src/initialize.rs

@@ -1,7 +1,10 @@
-use crate::*;
-use anyhow::anyhow;
+use crate::{
+    db::{self, DatabaseCidr, DatabasePeer},
+    ConfigFile, Interface, Path, ServerConfig,
+};
+use anyhow::{anyhow, Error};
 use clap::Parser;
-use db::DatabaseCidr;
+use colored::Colorize;
 use dialoguer::{theme::ColorfulTheme, Input};
 use indoc::printdoc;
 use ipnet::IpNet;
@@ -10,6 +13,7 @@ use rusqlite::{params, Connection};
 use shared::{
     prompts, CidrContents, Endpoint, IpNetExt, PeerContents, PERSISTENT_KEEPALIVE_INTERVAL_SECS,
 };
+use std::net::{IpAddr, SocketAddr};
 use wireguard_control::KeyPair;
 
 fn create_database<P: AsRef<Path>>(

server/src/lib.rs

@@ -0,0 +1,724 @@
+use anyhow::{anyhow, bail};
+use colored::*;
+use dialoguer::Confirm;
+use hyper::{http, server::conn::AddrStream, Body, Request, Response};
+use indoc::printdoc;
+use ipnet::IpNet;
+use parking_lot::{Mutex, RwLock};
+use rusqlite::Connection;
+use serde::{Deserialize, Serialize};
+use shared::{
+    get_local_addrs, AddCidrOpts, AddPeerOpts, DeleteCidrOpts, EnableDisablePeerOpts, Endpoint,
+    IoErrorContext, NetworkOpts, PeerContents, RenameCidrOpts, RenamePeerOpts,
+    INNERNET_PUBKEY_HEADER,
+};
+use std::{
+    collections::{HashMap, VecDeque},
+    convert::TryInto,
+    env,
+    fs::File,
+    io::prelude::*,
+    net::{IpAddr, SocketAddr, TcpListener},
+    ops::Deref,
+    path::{Path, PathBuf},
+    sync::Arc,
+    time::Duration,
+};
+use subtle::ConstantTimeEq;
+use wireguard_control::{Backend, Device, DeviceUpdate, InterfaceName, Key, PeerConfigBuilder};
+
+mod api;
+mod db;
+mod error;
+pub mod initialize;
+#[cfg(test)]
+mod test;
+mod util;
+
+use db::{DatabaseCidr, DatabasePeer};
+pub use error::ServerError;
+use shared::{prompts, wg, CidrTree, Error, Interface};
+
+const VERSION: &str = env!("CARGO_PKG_VERSION");
+
+type Db = Arc<Mutex<Connection>>;
+type Endpoints = Arc<RwLock<HashMap<String, SocketAddr>>>;
+
+#[derive(Clone)]
+pub struct Context {
+    pub db: Db,
+    pub endpoints: Endpoints,
+    pub interface: InterfaceName,
+    pub backend: Backend,
+    pub public_key: Key,
+}
+
+pub struct Session {
+    pub context: Context,
+    pub peer: DatabasePeer,
+}
+
+impl Session {
+    pub fn admin_capable(&self) -> bool {
+        self.peer.is_admin && self.user_capable()
+    }
+
+    pub fn user_capable(&self) -> bool {
+        !self.peer.is_disabled && self.peer.is_redeemed
+    }
+
+    pub fn redeemable(&self) -> bool {
+        !self.peer.is_disabled && !self.peer.is_redeemed
+    }
+}
+
+#[derive(Deserialize, Serialize, Debug)]
+#[serde(rename_all = "kebab-case")]
+pub struct ConfigFile {
+    /// The server's WireGuard key
+    pub private_key: String,
+
+    /// The listen port of the server
+    pub listen_port: u16,
+
+    /// The internal WireGuard IP address assigned to the server
+    pub address: IpAddr,
+
+    /// The CIDR prefix of the WireGuard network
+    pub network_cidr_prefix: u8,
+}
+
+impl ConfigFile {
+    pub fn write_to_path<P: AsRef<Path>>(&self, path: P) -> Result<(), Error> {
+        let mut invitation_file = File::create(&path).with_path(&path)?;
+        shared::chmod(&invitation_file, 0o600)?;
+        invitation_file
+            .write_all(toml::to_string(self).unwrap().as_bytes())
+            .with_path(path)?;
+        Ok(())
+    }
+
+    pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self, Error> {
+        let path = path.as_ref();
+        let file = File::open(path).with_path(path)?;
+        if shared::chmod(&file, 0o600)? {
+            println!(
+                "{} updated permissions for {} to 0600.",
+                "[!]".yellow(),
+                path.display()
+            );
+        }
+        Ok(toml::from_str(
+            &std::fs::read_to_string(path).with_path(path)?,
+        )?)
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct ServerConfig {
+    pub config_dir: PathBuf,
+    pub data_dir: PathBuf,
+}
+
+impl ServerConfig {
+    pub fn new(config_dir: PathBuf, data_dir: PathBuf) -> Self {
+        Self {
+            config_dir,
+            data_dir,
+        }
+    }
+
+    pub fn database_dir(&self) -> &Path {
+        &self.data_dir
+    }
+
+    pub fn database_path(&self, interface: &InterfaceName) -> PathBuf {
+        PathBuf::new()
+            .join(self.database_dir())
+            .join(interface.to_string())
+            .with_extension("db")
+    }
+
+    pub fn config_dir(&self) -> &Path {
+        &self.config_dir
+    }
+
+    pub fn config_path(&self, interface: &InterfaceName) -> PathBuf {
+        PathBuf::new()
+            .join(self.config_dir())
+            .join(interface.to_string())
+            .with_extension("conf")
+    }
+}
+
+fn open_database_connection(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+) -> Result<rusqlite::Connection, Error> {
+    let database_path = conf.database_path(interface);
+    if !Path::new(&database_path).exists() {
+        bail!(
+            "no database file found at {}",
+            database_path.to_string_lossy()
+        );
+    }
+
+    let conn = Connection::open(&database_path)?;
+    // Foreign key constraints aren't on in SQLite by default. Enable.
+    conn.pragma_update(None, "foreign_keys", 1)?;
+    db::auto_migrate(&conn)?;
+    Ok(conn)
+}
+
+pub fn add_peer(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    opts: AddPeerOpts,
+    network: NetworkOpts,
+) -> Result<(), Error> {
+    let config = ConfigFile::from_file(conf.config_path(interface))?;
+    let conn = open_database_connection(interface, conf)?;
+    let peers = DatabasePeer::list(&conn)?
+        .into_iter()
+        .map(|dp| dp.inner)
+        .collect::<Vec<_>>();
+    let cidrs = DatabaseCidr::list(&conn)?;
+    let cidr_tree = CidrTree::new(&cidrs[..]);
+
+    if let Some(result) = shared::prompts::add_peer(&peers, &cidr_tree, &opts)? {
+        let (peer_request, keypair, target_path, mut target_file) = result;
+        let peer = DatabasePeer::create(&conn, peer_request)?;
+        if cfg!(not(test)) && Device::get(interface, network.backend).is_ok() {
+            // Update the current WireGuard interface with the new peers.
+            DeviceUpdate::new()
+                .add_peer(PeerConfigBuilder::from(&*peer))
+                .apply(interface, network.backend)
+                .map_err(|_| ServerError::WireGuard)?;
+
+            println!("adding to WireGuard interface: {}", &*peer);
+        }
+
+        let server_peer = DatabasePeer::get(&conn, 1)?;
+        prompts::write_peer_invitation(
+            (&mut target_file, &target_path),
+            interface,
+            &peer,
+            &server_peer,
+            &cidr_tree,
+            keypair,
+            &SocketAddr::new(config.address, config.listen_port),
+        )?;
+    } else {
+        println!("exited without creating peer.");
+    }
+
+    Ok(())
+}
+
+pub fn rename_peer(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    opts: RenamePeerOpts,
+) -> Result<(), Error> {
+    let conn = open_database_connection(interface, conf)?;
+    let peers = DatabasePeer::list(&conn)?
+        .into_iter()
+        .map(|dp| dp.inner)
+        .collect::<Vec<_>>();
+
+    if let Some((peer_request, old_name)) = shared::prompts::rename_peer(&peers, &opts)? {
+        let mut db_peer = DatabasePeer::list(&conn)?
+            .into_iter()
+            .find(|p| p.name == old_name)
+            .ok_or_else(|| anyhow!("Peer not found."))?;
+        db_peer.update(&conn, peer_request)?;
+    } else {
+        println!("exited without creating peer.");
+    }
+
+    Ok(())
+}
+
+pub fn enable_or_disable_peer(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    enable: bool,
+    network: NetworkOpts,
+    opts: EnableDisablePeerOpts,
+) -> Result<(), Error> {
+    let conn = open_database_connection(interface, conf)?;
+    let peers = DatabasePeer::list(&conn)?
+        .into_iter()
+        .map(|dp| dp.inner)
+        .collect::<Vec<_>>();
+
+    if let Some(peer) = prompts::enable_or_disable_peer(&peers[..], &opts, enable)? {
+        let mut db_peer = DatabasePeer::get(&conn, peer.id)?;
+        db_peer.update(
+            &conn,
+            PeerContents {
+                is_disabled: !enable,
+                ..peer.contents.clone()
+            },
+        )?;
+
+        if enable {
+            DeviceUpdate::new()
+                .add_peer(db_peer.deref().into())
+                .apply(interface, network.backend)
+                .map_err(|_| ServerError::WireGuard)?;
+        } else {
+            let public_key =
+                Key::from_base64(&peer.public_key).map_err(|_| ServerError::WireGuard)?;
+
+            DeviceUpdate::new()
+                .remove_peer_by_key(&public_key)
+                .apply(interface, network.backend)
+                .map_err(|_| ServerError::WireGuard)?;
+        }
+    } else {
+        log::info!("exiting without enabling or disabling peer.");
+    }
+
+    Ok(())
+}
+
+pub fn add_cidr(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    opts: AddCidrOpts,
+) -> Result<(), Error> {
+    let conn = open_database_connection(interface, conf)?;
+    let cidrs = DatabaseCidr::list(&conn)?;
+    if let Some(cidr_request) = shared::prompts::add_cidr(&cidrs, &opts)? {
+        let cidr = DatabaseCidr::create(&conn, cidr_request)?;
+        printdoc!(
+            "
+            CIDR \"{cidr_name}\" added.
+
+            Right now, peers within {cidr_name} can only see peers in the same CIDR, and in
+            the special \"innernet-server\" CIDR that includes the innernet server peer.
+
+            You'll need to add more associations for peers in diffent CIDRs to communicate.
+            ",
+            cidr_name = cidr.name.bold()
+        );
+    } else {
+        println!("exited without creating CIDR.");
+    }
+
+    Ok(())
+}
+
+pub fn rename_cidr(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    opts: RenameCidrOpts,
+) -> Result<(), Error> {
+    let conn = open_database_connection(interface, conf)?;
+    let cidrs = DatabaseCidr::list(&conn)?;
+
+    if let Some((cidr_request, old_name)) = shared::prompts::rename_cidr(&cidrs, &opts)? {
+        let db_cidr = DatabaseCidr::list(&conn)?
+            .into_iter()
+            .find(|c| c.name == old_name)
+            .ok_or_else(|| anyhow!("CIDR not found."))?;
+        db::DatabaseCidr::from(db_cidr).update(&conn, cidr_request)?;
+    } else {
+        println!("exited without renaming CIDR.");
+    }
+
+    Ok(())
+}
+
+pub fn delete_cidr(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    args: DeleteCidrOpts,
+) -> Result<(), Error> {
+    println!("Fetching eligible CIDRs");
+    let conn = open_database_connection(interface, conf)?;
+    let cidrs = DatabaseCidr::list(&conn)?;
+    let peers = DatabasePeer::list(&conn)?
+        .into_iter()
+        .map(|dp| dp.inner)
+        .collect::<Vec<_>>();
+
+    let cidr_id = prompts::delete_cidr(&cidrs, &peers, &args)?;
+
+    println!("Deleting CIDR...");
+    DatabaseCidr::delete(&conn, cidr_id)?;
+
+    println!("CIDR deleted.");
+
+    Ok(())
+}
+
+pub fn uninstall(
+    interface: &InterfaceName,
+    conf: &ServerConfig,
+    network: NetworkOpts,
+    yes: bool,
+) -> Result<(), Error> {
+    if yes
+        || Confirm::with_theme(&*prompts::THEME)
+            .with_prompt(format!(
+                "Permanently delete network \"{}\"?",
+                interface.as_str_lossy().yellow()
+            ))
+            .default(false)
+            .interact()?
+    {
+        println!("{} bringing down interface (if up).", "[*]".dimmed());
+        wg::down(interface, network.backend).ok();
+        let config = conf.config_path(interface);
+        let data = conf.database_path(interface);
+        std::fs::remove_file(&config)
+            .with_path(&config)
+            .map_err(|e| println!("[!] {}", e.to_string().yellow()))
+            .ok();
+        std::fs::remove_file(&data)
+            .with_path(&data)
+            .map_err(|e| println!("[!] {}", e.to_string().yellow()))
+            .ok();
+        println!(
+            "{} network {} is uninstalled.",
+            "[*]".dimmed(),
+            interface.as_str_lossy().yellow()
+        );
+    }
+    Ok(())
+}
+
+fn spawn_endpoint_refresher(interface: InterfaceName, network: NetworkOpts) -> Endpoints {
+    let endpoints = Arc::new(RwLock::new(HashMap::new()));
+    tokio::task::spawn({
+        let endpoints = endpoints.clone();
+        async move {
+            let mut interval = tokio::time::interval(Duration::from_secs(10));
+            loop {
+                interval.tick().await;
+                if let Ok(info) = Device::get(&interface, network.backend) {
+                    for peer in info.peers {
+                        if let Some(endpoint) = peer.config.endpoint {
+                            endpoints
+                                .write()
+                                .insert(peer.config.public_key.to_base64(), endpoint);
+                        }
+                    }
+                }
+            }
+        }
+    });
+    endpoints
+}
+
+fn spawn_expired_invite_sweeper(db: Db) {
+    tokio::task::spawn(async move {
+        let mut interval = tokio::time::interval(Duration::from_secs(10));
+        loop {
+            interval.tick().await;
+            match DatabasePeer::delete_expired_invites(&db.lock()) {
+                Ok(deleted) if deleted > 0 => {
+                    log::info!("Deleted {} expired peer invitations.", deleted)
+                },
+                Err(e) => log::error!("Failed to delete expired peer invitations: {}", e),
+                _ => {},
+            }
+        }
+    });
+}
+
+pub async fn serve(
+    interface: InterfaceName,
+    conf: &ServerConfig,
+    network: NetworkOpts,
+) -> Result<(), Error> {
+    let config = ConfigFile::from_file(conf.config_path(&interface))?;
+    log::debug!("opening database connection...");
+    let conn = open_database_connection(&interface, conf)?;
+
+    let mut peers = DatabasePeer::list(&conn)?;
+    log::debug!("peers listed...");
+    let peer_configs = peers
+        .iter()
+        .map(|peer| peer.deref().into())
+        .collect::<Vec<PeerConfigBuilder>>();
+
+    log::info!("bringing up interface.");
+    wg::up(
+        &interface,
+        &config.private_key,
+        IpNet::new(config.address, config.network_cidr_prefix)?,
+        Some(config.listen_port),
+        None,
+        network,
+    )?;
+
+    DeviceUpdate::new()
+        .add_peers(&peer_configs)
+        .apply(&interface, network.backend)?;
+
+    log::info!("{} peers added to wireguard interface.", peers.len());
+
+    let candidates: Vec<Endpoint> = get_local_addrs()?
+        .map(|addr| SocketAddr::from((addr, config.listen_port)).into())
+        .collect();
+    let num_candidates = candidates.len();
+    let myself = peers
+        .iter_mut()
+        .find(|peer| peer.ip == config.address)
+        .expect("Couldn't find server peer in peer list.");
+    myself.update(
+        &conn,
+        PeerContents {
+            candidates,
+            ..myself.contents.clone()
+        },
+    )?;
+
+    log::info!(
+        "{} local candidates added to server peer config.",
+        num_candidates
+    );
+
+    let public_key = wireguard_control::Key::from_base64(&config.private_key)?.get_public();
+    let db = Arc::new(Mutex::new(conn));
+    let endpoints = spawn_endpoint_refresher(interface, network);
+    spawn_expired_invite_sweeper(db.clone());
+
+    let context = Context {
+        db,
+        endpoints,
+        interface,
+        public_key,
+        backend: network.backend,
+    };
+
+    log::info!("innernet-server {} starting.", VERSION);
+
+    let listener = get_listener((config.address, config.listen_port).into(), &interface)?;
+
+    let make_svc = hyper::service::make_service_fn(move |socket: &AddrStream| {
+        let remote_addr = socket.remote_addr();
+        let context = context.clone();
+        async move {
+            Ok::<_, http::Error>(hyper::service::service_fn(move |req: Request<Body>| {
+                log::debug!("{} - {} {}", &remote_addr, req.method(), req.uri());
+                hyper_service(req, context.clone(), remote_addr)
+            }))
+        }
+    });
+
+    let server = hyper::Server::from_tcp(listener)?.serve(make_svc);
+
+    server.await?;
+
+    Ok(())
+}
+
+/// This function differs per OS, because different operating systems have
+/// opposing characteristics when binding to a specific IP address.
+/// On Linux, binding to a specific local IP address does *not* bind it to
+/// that IP's interface, allowing for spoofing attacks.
+///
+/// See https://github.com/tonarino/innernet/issues/26 for more details.
+#[cfg(target_os = "linux")]
+fn get_listener(addr: SocketAddr, interface: &InterfaceName) -> Result<TcpListener, Error> {
+    let listener = TcpListener::bind(addr)?;
+    listener.set_nonblocking(true)?;
+    let sock = socket2::Socket::from(listener);
+    sock.bind_device(Some(interface.as_str_lossy().as_bytes()))?;
+    Ok(sock.into())
+}
+
+/// BSD-likes do seem to bind to an interface when binding to an IP,
+/// according to the internet, but we may want to explicitly use
+/// IP_BOUND_IF in the future regardless. This isn't currently in
+/// the socket2 crate however, so we aren't currently using it.
+///
+/// See https://github.com/tonarino/innernet/issues/26 for more details.
+#[cfg(not(target_os = "linux"))]
+fn get_listener(addr: SocketAddr, _interface: &InterfaceName) -> Result<TcpListener, Error> {
+    let listener = TcpListener::bind(addr)?;
+    listener.set_nonblocking(true)?;
+    Ok(listener)
+}
+
+pub(crate) async fn hyper_service(
+    req: Request<Body>,
+    context: Context,
+    remote_addr: SocketAddr,
+) -> Result<Response<Body>, http::Error> {
+    // Break the path into components.
+    let components: VecDeque<_> = req
+        .uri()
+        .path()
+        .trim_start_matches('/')
+        .split('/')
+        .map(String::from)
+        .collect();
+
+    routes(req, context, remote_addr, components)
+        .await
+        .or_else(TryInto::try_into)
+}
+
+async fn routes(
+    req: Request<Body>,
+    context: Context,
+    remote_addr: SocketAddr,
+    mut components: VecDeque<String>,
+) -> Result<Response<Body>, ServerError> {
+    // Must be "/v1/[something]"
+    if components.pop_front().as_deref() != Some("v1") {
+        Err(ServerError::NotFound)
+    } else {
+        let session = get_session(&req, context, remote_addr.ip())?;
+        let component = components.pop_front();
+        match component.as_deref() {
+            Some("user") => api::user::routes(req, components, session).await,
+            Some("admin") => api::admin::routes(req, components, session).await,
+            _ => Err(ServerError::NotFound),
+        }
+    }
+}
+
+fn get_session(
+    req: &Request<Body>,
+    context: Context,
+    addr: IpAddr,
+) -> Result<Session, ServerError> {
+    let pubkey = req
+        .headers()
+        .get(INNERNET_PUBKEY_HEADER)
+        .ok_or(ServerError::Unauthorized)?;
+    let pubkey = pubkey.to_str().map_err(|_| ServerError::Unauthorized)?;
+    let pubkey = Key::from_base64(pubkey).map_err(|_| ServerError::Unauthorized)?;
+    if pubkey
+        .as_bytes()
+        .ct_eq(context.public_key.as_bytes())
+        .into()
+    {
+        let peer = DatabasePeer::get_from_ip(&context.db.lock(), addr).map_err(|e| match e {
+            rusqlite::Error::QueryReturnedNoRows => ServerError::Unauthorized,
+            e => ServerError::Database(e),
+        })?;
+
+        if !peer.is_disabled {
+            return Ok(Session { context, peer });
+        }
+    }
+
+    Err(ServerError::Unauthorized)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::test;
+    use anyhow::Result;
+    use hyper::StatusCode;
+    use std::path::Path;
+
+    #[test]
+    fn test_init_wizard() -> Result<(), Error> {
+        // This runs init_wizard().
+        let server = test::Server::new()?;
+
+        assert!(Path::new(&server.wg_conf_path()).exists());
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_with_session_disguised_with_headers() -> Result<(), Error> {
+        let server = test::Server::new()?;
+
+        let path = if cfg!(feature = "v6-test") {
+            format!("http://[{}]/v1/admin/peers", test::WG_MANAGE_PEER_IP)
+        } else {
+            format!("http://{}/v1/admin/peers", test::WG_MANAGE_PEER_IP)
+        };
+        let req = Request::builder()
+            .uri(path)
+            .header("Forwarded", format!("for={}", test::ADMIN_PEER_IP))
+            .header("X-Forwarded-For", test::ADMIN_PEER_IP)
+            .header("X-Real-IP", test::ADMIN_PEER_IP)
+            .body(Body::empty())
+            .unwrap();
+
+        // Request from an unknown IP, trying to disguise as an admin using HTTP headers.
+        let res = if cfg!(feature = "v6-test") {
+            server.raw_request("fd00:1337::1337", req).await
+        } else {
+            server.raw_request("10.80.80.80", req).await
+        };
+
+        // addr::remote() filter only look at remote_addr from TCP socket.
+        // HTTP headers are not considered. This also means that innernet
+        // server would not function behind an HTTP proxy.
+        assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_incorrect_public_key() -> Result<(), Error> {
+        let server = test::Server::new()?;
+
+        let key = Key::generate_private().get_public();
+
+        let path = if cfg!(feature = "v6-test") {
+            format!("http://[{}]/v1/admin/peers", test::WG_MANAGE_PEER_IP)
+        } else {
+            format!("http://{}/v1/admin/peers", test::WG_MANAGE_PEER_IP)
+        };
+        // Request from an unknown IP, trying to disguise as an admin using HTTP headers.
+        let req = Request::builder()
+            .uri(path)
+            .header(shared::INNERNET_PUBKEY_HEADER, key.to_base64())
+            .body(Body::empty())
+            .unwrap();
+        let res = if cfg!(feature = "v6-test") {
+            server.raw_request("fd00:1337::1337", req).await
+        } else {
+            server.raw_request("10.80.80.80", req).await
+        };
+
+        // addr::remote() filter only look at remote_addr from TCP socket.
+        // HTTP headers are not considered. This also means that innernet
+        // server would not function behind an HTTP proxy.
+        assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
+
+        Ok(())
+    }
+
+    #[tokio::test]
+    async fn test_unparseable_public_key() -> Result<(), Error> {
+        let server = test::Server::new()?;
+
+        let path = if cfg!(feature = "v6-test") {
+            format!("http://[{}]/v1/admin/peers", test::WG_MANAGE_PEER_IP)
+        } else {
+            format!("http://{}/v1/admin/peers", test::WG_MANAGE_PEER_IP)
+        };
+        let req = Request::builder()
+            .uri(path)
+            .header(shared::INNERNET_PUBKEY_HEADER, "!!!")
+            .body(Body::empty())
+            .unwrap();
+        let res = if cfg!(feature = "v6-test") {
+            server.raw_request("fd00:1337::1337", req).await
+        } else {
+            server.raw_request("10.80.80.80", req).await
+        };
+
+        // addr::remote() filter only look at remote_addr from TCP socket.
+        // HTTP headers are not considered. This also means that innernet
+        // server would not function behind an HTTP proxy.
+        assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
+
+        Ok(())
+    }
+}

server/src/main.rs

@@ -1,49 +1,17 @@
-use anyhow::{anyhow, bail};
 use clap::{Parser, Subcommand};
 use colored::*;
-use dialoguer::Confirm;
-use hyper::{http, server::conn::AddrStream, Body, Request, Response};
-use indoc::printdoc;
-use ipnet::IpNet;
-use parking_lot::{Mutex, RwLock};
-use rusqlite::Connection;
-use serde::{Deserialize, Serialize};
 use shared::{
-    get_local_addrs, AddCidrOpts, AddPeerOpts, DeleteCidrOpts, EnableDisablePeerOpts, Endpoint,
-    IoErrorContext, NetworkOpts, PeerContents, RenameCidrOpts, RenamePeerOpts,
-    INNERNET_PUBKEY_HEADER,
+    AddCidrOpts, AddPeerOpts, DeleteCidrOpts, EnableDisablePeerOpts, NetworkOpts, RenameCidrOpts,
+    RenamePeerOpts,
 };
-use std::{
-    collections::{HashMap, VecDeque},
-    convert::TryInto,
-    env,
-    fs::File,
-    io::prelude::*,
-    net::{IpAddr, SocketAddr, TcpListener},
-    ops::Deref,
-    path::{Path, PathBuf},
-    sync::Arc,
-    time::Duration,
+use std::{env, path::PathBuf};
+
+use innernet_server::{
+    add_cidr, add_peer, delete_cidr, enable_or_disable_peer,
+    initialize::{self, InitializeOpts},
+    rename_cidr, rename_peer, serve, uninstall, ServerConfig,
 };
-use subtle::ConstantTimeEq;
-use wireguard_control::{Backend, Device, DeviceUpdate, InterfaceName, Key, PeerConfigBuilder};
-
-pub mod api;
-pub mod db;
-pub mod error;
-#[cfg(test)]
-mod test;
-pub mod util;
-
-mod initialize;
-
-use db::{DatabaseCidr, DatabasePeer};
-pub use error::ServerError;
-use initialize::InitializeOpts;
-use shared::{prompts, wg, CidrTree, Error, Interface};
-pub use shared::{Association, AssociationContents};
-
-pub const VERSION: &str = env!("CARGO_PKG_VERSION");
+use shared::Interface;
 
 #[derive(Debug, Parser)]
 #[command(name = "innernet-server", author, version, about)]
@@ -150,116 +118,6 @@ enum Command {
     },
 }
 
-pub type Db = Arc<Mutex<Connection>>;
-pub type Endpoints = Arc<RwLock<HashMap<String, SocketAddr>>>;
-
-#[derive(Clone)]
-pub struct Context {
-    pub db: Db,
-    pub endpoints: Endpoints,
-    pub interface: InterfaceName,
-    pub backend: Backend,
-    pub public_key: Key,
-}
-
-pub struct Session {
-    pub context: Context,
-    pub peer: DatabasePeer,
-}
-
-impl Session {
-    pub fn admin_capable(&self) -> bool {
-        self.peer.is_admin && self.user_capable()
-    }
-
-    pub fn user_capable(&self) -> bool {
-        !self.peer.is_disabled && self.peer.is_redeemed
-    }
-
-    pub fn redeemable(&self) -> bool {
-        !self.peer.is_disabled && !self.peer.is_redeemed
-    }
-}
-
-#[derive(Deserialize, Serialize, Debug)]
-#[serde(rename_all = "kebab-case")]
-pub struct ConfigFile {
-    /// The server's WireGuard key
-    pub private_key: String,
-
-    /// The listen port of the server
-    pub listen_port: u16,
-
-    /// The internal WireGuard IP address assigned to the server
-    pub address: IpAddr,
-
-    /// The CIDR prefix of the WireGuard network
-    pub network_cidr_prefix: u8,
-}
-
-impl ConfigFile {
-    pub fn write_to_path<P: AsRef<Path>>(&self, path: P) -> Result<(), Error> {
-        let mut invitation_file = File::create(&path).with_path(&path)?;
-        shared::chmod(&invitation_file, 0o600)?;
-        invitation_file
-            .write_all(toml::to_string(self).unwrap().as_bytes())
-            .with_path(path)?;
-        Ok(())
-    }
-
-    pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self, Error> {
-        let path = path.as_ref();
-        let file = File::open(path).with_path(path)?;
-        if shared::chmod(&file, 0o600)? {
-            println!(
-                "{} updated permissions for {} to 0600.",
-                "[!]".yellow(),
-                path.display()
-            );
-        }
-        Ok(toml::from_str(
-            &std::fs::read_to_string(path).with_path(path)?,
-        )?)
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct ServerConfig {
-    pub config_dir: PathBuf,
-    pub data_dir: PathBuf,
-}
-
-impl ServerConfig {
-    pub fn new(config_dir: PathBuf, data_dir: PathBuf) -> Self {
-        Self {
-            config_dir,
-            data_dir,
-        }
-    }
-
-    fn database_dir(&self) -> &Path {
-        &self.data_dir
-    }
-
-    fn database_path(&self, interface: &InterfaceName) -> PathBuf {
-        PathBuf::new()
-            .join(self.database_dir())
-            .join(interface.to_string())
-            .with_extension("db")
-    }
-
-    fn config_dir(&self) -> &Path {
-        &self.config_dir
-    }
-
-    fn config_path(&self, interface: &InterfaceName) -> PathBuf {
-        PathBuf::new()
-            .join(self.config_dir())
-            .join(interface.to_string())
-            .with_extension("conf")
-    }
-}
-
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     if env::var_os("RUST_LOG").is_none() {
@@ -310,575 +168,3 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     Ok(())
 }
-
-fn open_database_connection(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-) -> Result<rusqlite::Connection, Error> {
-    let database_path = conf.database_path(interface);
-    if !Path::new(&database_path).exists() {
-        bail!(
-            "no database file found at {}",
-            database_path.to_string_lossy()
-        );
-    }
-
-    let conn = Connection::open(&database_path)?;
-    // Foreign key constraints aren't on in SQLite by default. Enable.
-    conn.pragma_update(None, "foreign_keys", 1)?;
-    db::auto_migrate(&conn)?;
-    Ok(conn)
-}
-
-fn add_peer(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    opts: AddPeerOpts,
-    network: NetworkOpts,
-) -> Result<(), Error> {
-    let config = ConfigFile::from_file(conf.config_path(interface))?;
-    let conn = open_database_connection(interface, conf)?;
-    let peers = DatabasePeer::list(&conn)?
-        .into_iter()
-        .map(|dp| dp.inner)
-        .collect::<Vec<_>>();
-    let cidrs = DatabaseCidr::list(&conn)?;
-    let cidr_tree = CidrTree::new(&cidrs[..]);
-
-    if let Some(result) = shared::prompts::add_peer(&peers, &cidr_tree, &opts)? {
-        let (peer_request, keypair, target_path, mut target_file) = result;
-        let peer = DatabasePeer::create(&conn, peer_request)?;
-        if cfg!(not(test)) && Device::get(interface, network.backend).is_ok() {
-            // Update the current WireGuard interface with the new peers.
-            DeviceUpdate::new()
-                .add_peer(PeerConfigBuilder::from(&*peer))
-                .apply(interface, network.backend)
-                .map_err(|_| ServerError::WireGuard)?;
-
-            println!("adding to WireGuard interface: {}", &*peer);
-        }
-
-        let server_peer = DatabasePeer::get(&conn, 1)?;
-        prompts::write_peer_invitation(
-            (&mut target_file, &target_path),
-            interface,
-            &peer,
-            &server_peer,
-            &cidr_tree,
-            keypair,
-            &SocketAddr::new(config.address, config.listen_port),
-        )?;
-    } else {
-        println!("exited without creating peer.");
-    }
-
-    Ok(())
-}
-
-fn rename_peer(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    opts: RenamePeerOpts,
-) -> Result<(), Error> {
-    let conn = open_database_connection(interface, conf)?;
-    let peers = DatabasePeer::list(&conn)?
-        .into_iter()
-        .map(|dp| dp.inner)
-        .collect::<Vec<_>>();
-
-    if let Some((peer_request, old_name)) = shared::prompts::rename_peer(&peers, &opts)? {
-        let mut db_peer = DatabasePeer::list(&conn)?
-            .into_iter()
-            .find(|p| p.name == old_name)
-            .ok_or_else(|| anyhow!("Peer not found."))?;
-        db_peer.update(&conn, peer_request)?;
-    } else {
-        println!("exited without creating peer.");
-    }
-
-    Ok(())
-}
-
-fn enable_or_disable_peer(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    enable: bool,
-    network: NetworkOpts,
-    opts: EnableDisablePeerOpts,
-) -> Result<(), Error> {
-    let conn = open_database_connection(interface, conf)?;
-    let peers = DatabasePeer::list(&conn)?
-        .into_iter()
-        .map(|dp| dp.inner)
-        .collect::<Vec<_>>();
-
-    if let Some(peer) = prompts::enable_or_disable_peer(&peers[..], &opts, enable)? {
-        let mut db_peer = DatabasePeer::get(&conn, peer.id)?;
-        db_peer.update(
-            &conn,
-            PeerContents {
-                is_disabled: !enable,
-                ..peer.contents.clone()
-            },
-        )?;
-
-        if enable {
-            DeviceUpdate::new()
-                .add_peer(db_peer.deref().into())
-                .apply(interface, network.backend)
-                .map_err(|_| ServerError::WireGuard)?;
-        } else {
-            let public_key =
-                Key::from_base64(&peer.public_key).map_err(|_| ServerError::WireGuard)?;
-
-            DeviceUpdate::new()
-                .remove_peer_by_key(&public_key)
-                .apply(interface, network.backend)
-                .map_err(|_| ServerError::WireGuard)?;
-        }
-    } else {
-        log::info!("exiting without enabling or disabling peer.");
-    }
-
-    Ok(())
-}
-
-fn add_cidr(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    opts: AddCidrOpts,
-) -> Result<(), Error> {
-    let conn = open_database_connection(interface, conf)?;
-    let cidrs = DatabaseCidr::list(&conn)?;
-    if let Some(cidr_request) = shared::prompts::add_cidr(&cidrs, &opts)? {
-        let cidr = DatabaseCidr::create(&conn, cidr_request)?;
-        printdoc!(
-            "
-            CIDR \"{cidr_name}\" added.
-
-            Right now, peers within {cidr_name} can only see peers in the same CIDR, and in
-            the special \"innernet-server\" CIDR that includes the innernet server peer.
-
-            You'll need to add more associations for peers in diffent CIDRs to communicate.
-            ",
-            cidr_name = cidr.name.bold()
-        );
-    } else {
-        println!("exited without creating CIDR.");
-    }
-
-    Ok(())
-}
-
-fn rename_cidr(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    opts: RenameCidrOpts,
-) -> Result<(), Error> {
-    let conn = open_database_connection(interface, conf)?;
-    let cidrs = DatabaseCidr::list(&conn)?;
-
-    if let Some((cidr_request, old_name)) = shared::prompts::rename_cidr(&cidrs, &opts)? {
-        let db_cidr = DatabaseCidr::list(&conn)?
-            .into_iter()
-            .find(|c| c.name == old_name)
-            .ok_or_else(|| anyhow!("CIDR not found."))?;
-        db::DatabaseCidr::from(db_cidr).update(&conn, cidr_request)?;
-    } else {
-        println!("exited without renaming CIDR.");
-    }
-
-    Ok(())
-}
-
-fn delete_cidr(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    args: DeleteCidrOpts,
-) -> Result<(), Error> {
-    println!("Fetching eligible CIDRs");
-    let conn = open_database_connection(interface, conf)?;
-    let cidrs = DatabaseCidr::list(&conn)?;
-    let peers = DatabasePeer::list(&conn)?
-        .into_iter()
-        .map(|dp| dp.inner)
-        .collect::<Vec<_>>();
-
-    let cidr_id = prompts::delete_cidr(&cidrs, &peers, &args)?;
-
-    println!("Deleting CIDR...");
-    DatabaseCidr::delete(&conn, cidr_id)?;
-
-    println!("CIDR deleted.");
-
-    Ok(())
-}
-
-fn uninstall(
-    interface: &InterfaceName,
-    conf: &ServerConfig,
-    network: NetworkOpts,
-    yes: bool,
-) -> Result<(), Error> {
-    if yes
-        || Confirm::with_theme(&*prompts::THEME)
-            .with_prompt(format!(
-                "Permanently delete network \"{}\"?",
-                interface.as_str_lossy().yellow()
-            ))
-            .default(false)
-            .interact()?
-    {
-        println!("{} bringing down interface (if up).", "[*]".dimmed());
-        wg::down(interface, network.backend).ok();
-        let config = conf.config_path(interface);
-        let data = conf.database_path(interface);
-        std::fs::remove_file(&config)
-            .with_path(&config)
-            .map_err(|e| println!("[!] {}", e.to_string().yellow()))
-            .ok();
-        std::fs::remove_file(&data)
-            .with_path(&data)
-            .map_err(|e| println!("[!] {}", e.to_string().yellow()))
-            .ok();
-        println!(
-            "{} network {} is uninstalled.",
-            "[*]".dimmed(),
-            interface.as_str_lossy().yellow()
-        );
-    }
-    Ok(())
-}
-
-fn spawn_endpoint_refresher(interface: InterfaceName, network: NetworkOpts) -> Endpoints {
-    let endpoints = Arc::new(RwLock::new(HashMap::new()));
-    tokio::task::spawn({
-        let endpoints = endpoints.clone();
-        async move {
-            let mut interval = tokio::time::interval(Duration::from_secs(10));
-            loop {
-                interval.tick().await;
-                if let Ok(info) = Device::get(&interface, network.backend) {
-                    for peer in info.peers {
-                        if let Some(endpoint) = peer.config.endpoint {
-                            endpoints
-                                .write()
-                                .insert(peer.config.public_key.to_base64(), endpoint);
-                        }
-                    }
-                }
-            }
-        }
-    });
-    endpoints
-}
-
-fn spawn_expired_invite_sweeper(db: Db) {
-    tokio::task::spawn(async move {
-        let mut interval = tokio::time::interval(Duration::from_secs(10));
-        loop {
-            interval.tick().await;
-            match DatabasePeer::delete_expired_invites(&db.lock()) {
-                Ok(deleted) if deleted > 0 => {
-                    log::info!("Deleted {} expired peer invitations.", deleted)
-                },
-                Err(e) => log::error!("Failed to delete expired peer invitations: {}", e),
-                _ => {},
-            }
-        }
-    });
-}
-
-async fn serve(
-    interface: InterfaceName,
-    conf: &ServerConfig,
-    network: NetworkOpts,
-) -> Result<(), Error> {
-    let config = ConfigFile::from_file(conf.config_path(&interface))?;
-    log::debug!("opening database connection...");
-    let conn = open_database_connection(&interface, conf)?;
-
-    let mut peers = DatabasePeer::list(&conn)?;
-    log::debug!("peers listed...");
-    let peer_configs = peers
-        .iter()
-        .map(|peer| peer.deref().into())
-        .collect::<Vec<PeerConfigBuilder>>();
-
-    log::info!("bringing up interface.");
-    wg::up(
-        &interface,
-        &config.private_key,
-        IpNet::new(config.address, config.network_cidr_prefix)?,
-        Some(config.listen_port),
-        None,
-        network,
-    )?;
-
-    DeviceUpdate::new()
-        .add_peers(&peer_configs)
-        .apply(&interface, network.backend)?;
-
-    log::info!("{} peers added to wireguard interface.", peers.len());
-
-    let candidates: Vec<Endpoint> = get_local_addrs()?
-        .map(|addr| SocketAddr::from((addr, config.listen_port)).into())
-        .collect();
-    let num_candidates = candidates.len();
-    let myself = peers
-        .iter_mut()
-        .find(|peer| peer.ip == config.address)
-        .expect("Couldn't find server peer in peer list.");
-    myself.update(
-        &conn,
-        PeerContents {
-            candidates,
-            ..myself.contents.clone()
-        },
-    )?;
-
-    log::info!(
-        "{} local candidates added to server peer config.",
-        num_candidates
-    );
-
-    let public_key = wireguard_control::Key::from_base64(&config.private_key)?.get_public();
-    let db = Arc::new(Mutex::new(conn));
-    let endpoints = spawn_endpoint_refresher(interface, network);
-    spawn_expired_invite_sweeper(db.clone());
-
-    let context = Context {
-        db,
-        endpoints,
-        interface,
-        public_key,
-        backend: network.backend,
-    };
-
-    log::info!("innernet-server {} starting.", VERSION);
-
-    let listener = get_listener((config.address, config.listen_port).into(), &interface)?;
-
-    let make_svc = hyper::service::make_service_fn(move |socket: &AddrStream| {
-        let remote_addr = socket.remote_addr();
-        let context = context.clone();
-        async move {
-            Ok::<_, http::Error>(hyper::service::service_fn(move |req: Request<Body>| {
-                log::debug!("{} - {} {}", &remote_addr, req.method(), req.uri());
-                hyper_service(req, context.clone(), remote_addr)
-            }))
-        }
-    });
-
-    let server = hyper::Server::from_tcp(listener)?.serve(make_svc);
-
-    server.await?;
-
-    Ok(())
-}
-
-/// This function differs per OS, because different operating systems have
-/// opposing characteristics when binding to a specific IP address.
-/// On Linux, binding to a specific local IP address does *not* bind it to
-/// that IP's interface, allowing for spoofing attacks.
-///
-/// See https://github.com/tonarino/innernet/issues/26 for more details.
-#[cfg(target_os = "linux")]
-fn get_listener(addr: SocketAddr, interface: &InterfaceName) -> Result<TcpListener, Error> {
-    let listener = TcpListener::bind(addr)?;
-    listener.set_nonblocking(true)?;
-    let sock = socket2::Socket::from(listener);
-    sock.bind_device(Some(interface.as_str_lossy().as_bytes()))?;
-    Ok(sock.into())
-}
-
-/// BSD-likes do seem to bind to an interface when binding to an IP,
-/// according to the internet, but we may want to explicitly use
-/// IP_BOUND_IF in the future regardless. This isn't currently in
-/// the socket2 crate however, so we aren't currently using it.
-///
-/// See https://github.com/tonarino/innernet/issues/26 for more details.
-#[cfg(not(target_os = "linux"))]
-fn get_listener(addr: SocketAddr, _interface: &InterfaceName) -> Result<TcpListener, Error> {
-    let listener = TcpListener::bind(addr)?;
-    listener.set_nonblocking(true)?;
-    Ok(listener)
-}
-
-pub(crate) async fn hyper_service(
-    req: Request<Body>,
-    context: Context,
-    remote_addr: SocketAddr,
-) -> Result<Response<Body>, http::Error> {
-    // Break the path into components.
-    let components: VecDeque<_> = req
-        .uri()
-        .path()
-        .trim_start_matches('/')
-        .split('/')
-        .map(String::from)
-        .collect();
-
-    routes(req, context, remote_addr, components)
-        .await
-        .or_else(TryInto::try_into)
-}
-
-async fn routes(
-    req: Request<Body>,
-    context: Context,
-    remote_addr: SocketAddr,
-    mut components: VecDeque<String>,
-) -> Result<Response<Body>, ServerError> {
-    // Must be "/v1/[something]"
-    if components.pop_front().as_deref() != Some("v1") {
-        Err(ServerError::NotFound)
-    } else {
-        let session = get_session(&req, context, remote_addr.ip())?;
-        let component = components.pop_front();
-        match component.as_deref() {
-            Some("user") => api::user::routes(req, components, session).await,
-            Some("admin") => api::admin::routes(req, components, session).await,
-            _ => Err(ServerError::NotFound),
-        }
-    }
-}
-
-fn get_session(
-    req: &Request<Body>,
-    context: Context,
-    addr: IpAddr,
-) -> Result<Session, ServerError> {
-    let pubkey = req
-        .headers()
-        .get(INNERNET_PUBKEY_HEADER)
-        .ok_or(ServerError::Unauthorized)?;
-    let pubkey = pubkey.to_str().map_err(|_| ServerError::Unauthorized)?;
-    let pubkey = Key::from_base64(pubkey).map_err(|_| ServerError::Unauthorized)?;
-    if pubkey
-        .as_bytes()
-        .ct_eq(context.public_key.as_bytes())
-        .into()
-    {
-        let peer = DatabasePeer::get_from_ip(&context.db.lock(), addr).map_err(|e| match e {
-            rusqlite::Error::QueryReturnedNoRows => ServerError::Unauthorized,
-            e => ServerError::Database(e),
-        })?;
-
-        if !peer.is_disabled {
-            return Ok(Session { context, peer });
-        }
-    }
-
-    Err(ServerError::Unauthorized)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::test;
-    use anyhow::Result;
-    use hyper::StatusCode;
-    use std::path::Path;
-
-    #[test]
-    fn test_init_wizard() -> Result<(), Error> {
-        // This runs init_wizard().
-        let server = test::Server::new()?;
-
-        assert!(Path::new(&server.wg_conf_path()).exists());
-
-        Ok(())
-    }
-
-    #[tokio::test]
-    async fn test_with_session_disguised_with_headers() -> Result<(), Error> {
-        let server = test::Server::new()?;
-
-        let path = if cfg!(feature = "v6-test") {
-            format!("http://[{}]/v1/admin/peers", test::WG_MANAGE_PEER_IP)
-        } else {
-            format!("http://{}/v1/admin/peers", test::WG_MANAGE_PEER_IP)
-        };
-        let req = Request::builder()
-            .uri(path)
-            .header("Forwarded", format!("for={}", test::ADMIN_PEER_IP))
-            .header("X-Forwarded-For", test::ADMIN_PEER_IP)
-            .header("X-Real-IP", test::ADMIN_PEER_IP)
-            .body(Body::empty())
-            .unwrap();
-
-        // Request from an unknown IP, trying to disguise as an admin using HTTP headers.
-        let res = if cfg!(feature = "v6-test") {
-            server.raw_request("fd00:1337::1337", req).await
-        } else {
-            server.raw_request("10.80.80.80", req).await
-        };
-
-        // addr::remote() filter only look at remote_addr from TCP socket.
-        // HTTP headers are not considered. This also means that innernet
-        // server would not function behind an HTTP proxy.
-        assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
-
-        Ok(())
-    }
-
-    #[tokio::test]
-    async fn test_incorrect_public_key() -> Result<(), Error> {
-        let server = test::Server::new()?;
-
-        let key = Key::generate_private().get_public();
-
-        let path = if cfg!(feature = "v6-test") {
-            format!("http://[{}]/v1/admin/peers", test::WG_MANAGE_PEER_IP)
-        } else {
-            format!("http://{}/v1/admin/peers", test::WG_MANAGE_PEER_IP)
-        };
-        // Request from an unknown IP, trying to disguise as an admin using HTTP headers.
-        let req = Request::builder()
-            .uri(path)
-            .header(shared::INNERNET_PUBKEY_HEADER, key.to_base64())
-            .body(Body::empty())
-            .unwrap();
-        let res = if cfg!(feature = "v6-test") {
-            server.raw_request("fd00:1337::1337", req).await
-        } else {
-            server.raw_request("10.80.80.80", req).await
-        };
-
-        // addr::remote() filter only look at remote_addr from TCP socket.
-        // HTTP headers are not considered. This also means that innernet
-        // server would not function behind an HTTP proxy.
-        assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
-
-        Ok(())
-    }
-
-    #[tokio::test]
-    async fn test_unparseable_public_key() -> Result<(), Error> {
-        let server = test::Server::new()?;
-
-        let path = if cfg!(feature = "v6-test") {
-            format!("http://[{}]/v1/admin/peers", test::WG_MANAGE_PEER_IP)
-        } else {
-            format!("http://{}/v1/admin/peers", test::WG_MANAGE_PEER_IP)
-        };
-        let req = Request::builder()
-            .uri(path)
-            .header(shared::INNERNET_PUBKEY_HEADER, "!!!")
-            .body(Body::empty())
-            .unwrap();
-        let res = if cfg!(feature = "v6-test") {
-            server.raw_request("fd00:1337::1337", req).await
-        } else {
-            server.raw_request("10.80.80.80", req).await
-        };
-
-        // addr::remote() filter only look at remote_addr from TCP socket.
-        // HTTP headers are not considered. This also means that innernet
-        // server would not function behind an HTTP proxy.
-        assert_eq!(res.status(), StatusCode::UNAUTHORIZED);
-
-        Ok(())
-    }
-}