LAN opt-in, mDNS, security hardening, path routing #12

Merged
razvandimescu merged 13 commits from feat/community-feedback-improvements into main 2026-03-23 19:55:20 +08:00
10 changed files with 1175 additions and 177 deletions

View File

@@ -39,8 +39,9 @@ sudo ./target/release/numa
- **Ad blocking that travels with you** — 385K+ domains blocked via [Hagezi Pro](https://github.com/hagezi/dns-blocklists). Works on any network: coffee shops, hotels, airports. - **Ad blocking that travels with you** — 385K+ domains blocked via [Hagezi Pro](https://github.com/hagezi/dns-blocklists). Works on any network: coffee shops, hotels, airports.
- **Local service proxy** — `https://frontend.numa` instead of `localhost:5173`. Auto-generated TLS certs, WebSocket support for HMR. Like `/etc/hosts` but with a dashboard and auto-revert. - **Local service proxy** — `https://frontend.numa` instead of `localhost:5173`. Auto-generated TLS certs, WebSocket support for HMR. Like `/etc/hosts` but with a dashboard and auto-revert.
- **LAN service discovery** — Numa instances on the same network find each other automatically via multicast. Access a teammate's `api.numa` from your machine, zero config. - **Path-based routing** — `app.numa/api → :5001`, `app.numa/auth → :5002`. Route URL paths to different backends with optional prefix stripping. Like nginx location blocks, zero config files.
- **Developer overrides** — point any hostname to any IP, auto-reverts after N minutes. REST API with 22 endpoints. - **LAN service discovery** — Numa instances on the same network find each other automatically via mDNS. Access a teammate's `api.numa` from your machine. Opt-in via `[lan] enabled = true`.
- **Developer overrides** — point any hostname to any IP, auto-reverts after N minutes. REST API with 25+ endpoints. Built-in diagnostics: `curl localhost:5380/diagnose/example.com` tells you exactly how any domain resolves.
- **Sub-millisecond caching** — cached lookups in 0ms. Faster than any public resolver. - **Sub-millisecond caching** — cached lookups in 0ms. Faster than any public resolver.
- **Live dashboard** — real-time stats, query log, blocking controls, service management. LAN accessibility badges show which services are reachable from other devices. - **Live dashboard** — real-time stats, query log, blocking controls, service management. LAN accessibility badges show which services are reachable from other devices.
- **macOS + Linux** — `numa install` configures system DNS, `numa service start` runs as launchd/systemd service. - **macOS + Linux** — `numa install` configures system DNS, `numa service start` runs as launchd/systemd service.
@@ -61,6 +62,17 @@ open http://frontend.numa # → proxied to localhost:5173
- **WebSocket** — Vite/webpack HMR works through the proxy - **WebSocket** — Vite/webpack HMR works through the proxy
- **Health checks** — dashboard shows green/red status per service - **Health checks** — dashboard shows green/red status per service
- **LAN sharing** — services bound to `0.0.0.0` are automatically discoverable by other Numa instances on the network. Dashboard shows "LAN" or "local only" per service. - **LAN sharing** — services bound to `0.0.0.0` are automatically discoverable by other Numa instances on the network. Dashboard shows "LAN" or "local only" per service.
- **Path-based routing** — route URL paths to different backends:
```toml
[[services]]
name = "app"
target_port = 3000
routes = [
{ path = "/api", port = 5001 },
{ path = "/auth", port = 5002, strip = true },
]
```
`app.numa/api/users → :5001/api/users`, `app.numa/auth/login → :5002/login` (stripped)
- **Persistent** — services survive restarts - **Persistent** — services survive restarts
- Or configure in `numa.toml`: - Or configure in `numa.toml`:
@@ -77,7 +89,7 @@ Run Numa on multiple machines. They find each other automatically:
``` ```
Machine A (192.168.1.5) Machine B (192.168.1.20) Machine A (192.168.1.5) Machine B (192.168.1.20)
┌──────────────────────┐ ┌──────────────────────┐ ┌──────────────────────┐ ┌──────────────────────┐
│ Numa │ multicast │ Numa │ │ Numa │ mDNS │ Numa │
│ services: │◄───────────►│ services: │ │ services: │◄───────────►│ services: │
│ - api (port 8000) │ discovery │ - grafana (3000) │ │ - api (port 8000) │ discovery │ - grafana (3000) │
│ - frontend (5173) │ │ │ │ - frontend (5173) │ │ │
@@ -90,7 +102,16 @@ dig @127.0.0.1 api.numa # → 192.168.1.5
curl http://api.numa # → proxied to Machine A's port 8000 curl http://api.numa # → proxied to Machine A's port 8000
``` ```
No configuration needed. Multicast announcements on `239.255.70.78:5390`, configurable via `[lan]` in `numa.toml`. Enable LAN discovery:
```bash
numa lan on
```
Or in `numa.toml`:
```toml
[lan]
enabled = true
```
Uses standard mDNS (`_numa._tcp.local` on port 5353) — compatible with Bonjour/Avahi, silently dropped by corporate firewalls instead of triggering IPS alerts.
**Hub mode** — don't want to install Numa on every machine? Run one instance as a shared DNS server and point other devices to it: **Hub mode** — don't want to install Numa on every machine? Run one instance as a shared DNS server and point other devices to it:
@@ -111,7 +132,8 @@ bind_addr = "0.0.0.0:53"
| Portable (travels with laptop) | No (appliance) | No (appliance) | Cloud only | Cloud only | Single binary | | Portable (travels with laptop) | No (appliance) | No (appliance) | Cloud only | Cloud only | Single binary |
| Developer overrides | No | No | No | No | REST API + auto-expiry | | Developer overrides | No | No | No | No | REST API + auto-expiry |
| Local service proxy | No | No | No | No | `.numa` + HTTPS + WS | | Local service proxy | No | No | No | No | `.numa` + HTTPS + WS |
| LAN service discovery | No | No | No | No | Multicast, zero config | | Path-based routing | No | No | No | No | Prefix match + strip |
| LAN service discovery | No | No | No | No | mDNS, opt-in |
| Data stays local | Yes | Yes | Cloud | Cloud | 100% local | | Data stays local | Yes | Yes | Cloud | Cloud | 100% local |
| Zero config | Complex | Docker/setup | Yes | Yes | Works out of the box | | Zero config | Complex | Docker/setup | Yes | Yes | Works out of the box |
| Self-sovereign DNS | No | No | No | No | pkarr/DHT roadmap | | Self-sovereign DNS | No | No | No | No | pkarr/DHT roadmap |
@@ -133,7 +155,8 @@ No DNS libraries. The wire protocol — headers, labels, compression pointers, r
- [x] Ad blocking — 385K+ domains, live dashboard, allowlist - [x] Ad blocking — 385K+ domains, live dashboard, allowlist
- [x] System integration — macOS + Linux, launchd/systemd, Tailscale/VPN auto-discovery - [x] System integration — macOS + Linux, launchd/systemd, Tailscale/VPN auto-discovery
- [x] Local service proxy — `.numa` domains, HTTP/HTTPS proxy, auto TLS, WebSocket - [x] Local service proxy — `.numa` domains, HTTP/HTTPS proxy, auto TLS, WebSocket
- [x] LAN service discovery — multicast auto-discovery, cross-machine DNS + proxy - [x] Path-based routing — URL prefix routing with optional strip, REST API
- [x] LAN service discovery — mDNS auto-discovery (opt-in), cross-machine DNS + proxy
- [ ] pkarr integration — self-sovereign DNS via Mainline DHT (15M nodes) - [ ] pkarr integration — self-sovereign DNS via Mainline DHT (15M nodes)
- [ ] Global `.numa` names — self-publish, DHT-backed, first-come-first-served - [ ] Global `.numa` names — self-publish, DHT-backed, first-come-first-served

View File

@@ -1,6 +1,7 @@
[server] [server]
bind_addr = "0.0.0.0:53" bind_addr = "0.0.0.0:53"
api_port = 5380 api_port = 5380
# api_bind_addr = "127.0.0.1" # default; set to "0.0.0.0" for LAN dashboard access
# [upstream] # [upstream]
# address = "" # auto-detect from system resolver (default) # address = "" # auto-detect from system resolver (default)
@@ -18,6 +19,7 @@ enabled = true
port = 80 port = 80
tls_port = 443 tls_port = 443
tld = "numa" tld = "numa"
# bind_addr = "127.0.0.1" # default; auto 0.0.0.0 when [lan] enabled
# Pre-configured services (numa.numa is always added automatically) # Pre-configured services (numa.numa is always added automatically)
# [[services]] # [[services]]
@@ -40,3 +42,9 @@ tld = "numa"
# record_type = "A" # record_type = "A"
# value = "127.0.0.1" # value = "127.0.0.1"
# ttl = 60 # ttl = 60
# LAN service discovery via mDNS (disabled by default — no network traffic unless enabled)
# [lan]
# enabled = true # discover other Numa instances via mDNS (_numa._tcp.local)
# broadcast_interval_secs = 30
# peer_timeout_secs = 90

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@@ -580,10 +580,11 @@ body {
<!-- Local services --> <!-- Local services -->
<div class="panel"> <div class="panel">
<div class="panel-header"> <div class="panel-header">
<div> <div style="flex:1;">
<span class="panel-title">Local Services</span> <span class="panel-title">Local Services</span>
<div style="font-size:0.68rem;color:var(--text-dim);margin-top:0.15rem;">Give localhost apps clean .numa URLs. Persistent, with HTTP proxy.</div> <div style="font-size:0.68rem;color:var(--text-dim);margin-top:0.15rem;">Give localhost apps clean .numa URLs. Persistent, with HTTP proxy.</div>
</div> </div>
<span id="lanToggle" style="font-family:var(--font-mono);font-size:0.68rem;cursor:default;user-select:none;" title=""></span>
</div> </div>
<div class="panel-body"> <div class="panel-body">
<form class="override-form" id="serviceForm" onsubmit="return addService(event)"> <form class="override-form" id="serviceForm" onsubmit="return addService(event)">
@@ -660,6 +661,7 @@ body {
<script> <script>
const API = ''; const API = '';
const h = s => String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;').replace(/'/g,'&#39;');
let prevTotal = null; let prevTotal = null;
let lastLogEntries = []; let lastLogEntries = [];
let prevTime = null; let prevTime = null;
@@ -874,6 +876,24 @@ async function refresh() {
document.getElementById('uptime').textContent = formatUptime(stats.uptime_secs); document.getElementById('uptime').textContent = formatUptime(stats.uptime_secs);
document.getElementById('uptimeSub').textContent = formatUptimeSub(stats.uptime_secs); document.getElementById('uptimeSub').textContent = formatUptimeSub(stats.uptime_secs);
document.getElementById('footerUpstream').textContent = stats.upstream || ''; document.getElementById('footerUpstream').textContent = stats.upstream || '';
document.getElementById('footerConfig').textContent = stats.config_path || '';
document.getElementById('footerData').textContent = stats.data_dir || '';
// LAN status indicator
const lanEl = document.getElementById('lanToggle');
if (stats.lan) {
if (!stats.lan.enabled) {
lanEl.style.color = 'var(--text-dim)';
lanEl.textContent = 'LAN off';
lanEl.title = 'Enable with: numa lan on';
} else {
const pc = stats.lan.peers || 0;
lanEl.style.color = pc > 0 ? 'var(--emerald)' : 'var(--teal)';
lanEl.textContent = `LAN on · ${pc} peer${pc !== 1 ? 's' : ''}`;
lanEl.title = 'mDNS discovery active (_numa._tcp.local)';
}
}
document.getElementById('overrideCount').textContent = stats.overrides.active; document.getElementById('overrideCount').textContent = stats.overrides.active;
document.getElementById('blockedCount').textContent = formatNumber(q.blocked); document.getElementById('blockedCount').textContent = formatNumber(q.blocked);
const bl = stats.blocking; const bl = stats.blocking;
@@ -989,14 +1009,14 @@ async function checkDomain(event) {
if (result.blocked) { if (result.blocked) {
el.style.background = 'rgba(181, 68, 58, 0.1)'; el.style.background = 'rgba(181, 68, 58, 0.1)';
el.style.color = 'var(--rose)'; el.style.color = 'var(--rose)';
el.innerHTML = `<strong>Blocked</strong> — ${result.reason}` + el.innerHTML = `<strong>Blocked</strong> — ${h(result.reason)}` +
(result.matched_rule ? `<br>Rule: <code>${result.matched_rule}</code>` : '') + (result.matched_rule ? `<br>Rule: <code>${h(result.matched_rule)}</code>` : '') +
` <button class="btn-delete" onclick="allowDomain('${domain}')" style="color:var(--emerald);font-size:0.7rem;margin-left:0.4rem;">allow</button>`; ` <button class="btn-delete" onclick="allowDomain('${h(domain)}')" style="color:var(--emerald);font-size:0.7rem;margin-left:0.4rem;">allow</button>`;
} else { } else {
el.style.background = 'rgba(82, 122, 82, 0.1)'; el.style.background = 'rgba(82, 122, 82, 0.1)';
el.style.color = 'var(--emerald)'; el.style.color = 'var(--emerald)';
el.innerHTML = `<strong>Allowed</strong> — ${result.reason}` + el.innerHTML = `<strong>Allowed</strong> — ${h(result.reason)}` +
(result.matched_rule ? `<br>Rule: <code>${result.matched_rule}</code>` : ''); (result.matched_rule ? `<br>Rule: <code>${h(result.matched_rule)}</code>` : '');
} }
} catch (err) { } catch (err) {
el.style.display = 'block'; el.style.display = 'block';
@@ -1086,7 +1106,10 @@ async function removeAllowlistDomain(domain) {
} catch (err) {} } catch (err) {}
} }
let editingRoute = false;
function renderServices(entries) { function renderServices(entries) {
if (editingRoute) return;
const el = document.getElementById('servicesList'); const el = document.getElementById('servicesList');
if (!entries.length) { if (!entries.length) {
el.innerHTML = '<div class="empty-state">No services configured</div>'; el.innerHTML = '<div class="empty-state">No services configured</div>';
@@ -1098,18 +1121,69 @@ function renderServices(entries) {
? '<span class="lan-badge shared" title="Reachable from other devices on the network">LAN</span>' ? '<span class="lan-badge shared" title="Reachable from other devices on the network">LAN</span>'
: '<span class="lan-badge local-only" title="Bound to localhost — not reachable from other devices. Start with 0.0.0.0 to share on LAN.">local only</span>') : '<span class="lan-badge local-only" title="Bound to localhost — not reachable from other devices. Start with 0.0.0.0 to share on LAN.">local only</span>')
: ''; : '';
const routeLines = (e.routes || []).map(r =>
`<div class="service-port" style="color:var(--text-dim);display:flex;align-items:center;gap:0.3rem;">` +
`<span style="display:inline-block;min-width:60px;">${h(r.path)}</span> ` +
`&rarr; :${parseInt(r.port)||0}` +
(r.strip ? ` <span style="opacity:0.6;">(strip)</span>` : '') +
(e.name === 'numa' ? '' : ` <button class="btn-delete" onclick="deleteRoute('${h(e.name)}','${h(r.path)}')" title="Remove route" style="font-size:0.65rem;padding:0 0.25rem;min-width:auto;opacity:0.5;">&times;</button>`) +
`</div>`
).join('');
const deletable = e.source !== 'config' && e.name !== 'numa';
const name = h(e.name);
return ` return `
<div class="service-item"> <div class="service-item">
<span class="health-dot ${e.healthy ? 'up' : 'down'}" title="${e.healthy ? 'running' : 'not reachable'}"></span> <span class="health-dot ${e.healthy ? 'up' : 'down'}" title="${e.healthy ? 'running' : 'not reachable'}"></span>
<div class="service-info"> <div class="service-info">
<div class="service-name"><a href="${e.url}" target="_blank">${e.name}.numa</a>${lanBadge}</div> <div class="service-name"><a href="${h(e.url)}" target="_blank">${name}.numa</a>${lanBadge}</div>
<div class="service-port">localhost:${e.target_port} &rarr; proxied</div> <div class="service-port">localhost:${parseInt(e.target_port)||0} &rarr; proxied</div>
${routeLines}
${e.name === 'numa' ? '' : `<div style="margin-top:0.3rem;"><button onclick="toggleRouteForm('${name}')" style="font-size:0.7rem;padding:0.1rem 0.4rem;background:var(--emerald);color:var(--bg);border:none;border-radius:4px;cursor:pointer;">+ route</button><div id="routeForm-${name}" style="display:none;margin-top:0.3rem;"><div style="display:flex;gap:0.3rem;align-items:center;"><input type="text" id="routePath-${name}" placeholder="/path" style="flex:2;padding:0.25rem 0.4rem;font-size:0.75rem;"><input type="number" id="routePort-${name}" value="${parseInt(e.target_port)||0}" min="1" max="65535" style="flex:1;padding:0.25rem 0.4rem;font-size:0.75rem;"><label style="font-size:0.7rem;color:var(--text-dim);display:flex;align-items:center;gap:0.2rem;"><input type="checkbox" id="routeStrip-${name}">strip</label><button onclick="addRoute('${name}')" style="font-size:0.7rem;padding:0.2rem 0.5rem;background:var(--emerald);color:var(--bg);border:none;border-radius:4px;cursor:pointer;">add</button></div><div class="override-error" id="routeError-${name}" style="display:none;font-size:0.7rem;"></div></div></div>`}
</div> </div>
${e.name === 'numa' ? '' : `<button class="btn-delete" onclick="deleteService('${e.name}')" title="Remove service">&times;</button>`} ${deletable ? `<button class="btn-delete" onclick="deleteService('${name}')" title="Remove service">&times;</button>` : ''}
</div> </div>
`}).join(''); `}).join('');
} }
function toggleRouteForm(name) {
const el = document.getElementById('routeForm-' + name);
const opening = el.style.display === 'none';
el.style.display = opening ? 'block' : 'none';
editingRoute = opening;
}
async function addRoute(name) {
const errEl = document.getElementById('routeError-' + name);
errEl.style.display = 'none';
try {
const path = document.getElementById('routePath-' + name).value.trim();
const port = parseInt(document.getElementById('routePort-' + name).value) || 0;
const strip = document.getElementById('routeStrip-' + name).checked;
const res = await fetch(API + '/services/' + encodeURIComponent(name) + '/routes', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ path, port, strip }),
});
if (!res.ok) throw new Error(await res.text());
editingRoute = false;
refresh();
} catch (err) {
errEl.textContent = err.message;
errEl.style.display = 'block';
}
}
async function deleteRoute(name, path) {
try {
await fetch(API + '/services/' + encodeURIComponent(name) + '/routes', {
method: 'DELETE',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ path }),
});
refresh();
} catch (err) { /* next refresh will update */ }
}
async function addService(event) { async function addService(event) {
event.preventDefault(); event.preventDefault();
const errEl = document.getElementById('serviceError'); const errEl = document.getElementById('serviceError');
@@ -1151,8 +1225,10 @@ setInterval(refresh, 2000);
</script> </script>
<div style="text-align:center;padding:0.8rem;font-family:var(--font-mono);font-size:0.68rem;color:var(--text-dim);"> <div style="text-align:center;padding:0.8rem;font-family:var(--font-mono);font-size:0.68rem;color:var(--text-dim);">
Upstream: <span id="footerUpstream" style="user-select:all;color:var(--emerald);"></span> Config: <span id="footerConfig" style="user-select:all;color:var(--emerald);"></span>
· Logs: <span id="logPath" style="user-select:all;">macOS: /usr/local/var/log/numa.log · Linux: journalctl -u numa -f</span> · Data: <span id="footerData" style="user-select:all;color:var(--emerald);"></span>
· Upstream: <span id="footerUpstream" style="user-select:all;color:var(--emerald);"></span>
· Logs: <span style="user-select:all;color:var(--emerald);">macOS: /usr/local/var/log/numa.log · Linux: journalctl -u numa -f</span>
· <a href="https://github.com/razvandimescu/numa" target="_blank" rel="noopener" style="color:var(--amber);text-decoration:none;">GitHub</a> · <a href="https://github.com/razvandimescu/numa" target="_blank" rel="noopener" style="color:var(--amber);text-decoration:none;">GitHub</a>
</div> </div>

View File

@@ -46,6 +46,10 @@ pub fn router(ctx: Arc<ServerCtx>) -> Router {
.route("/services", get(list_services)) .route("/services", get(list_services))
.route("/services", post(create_service)) .route("/services", post(create_service))
.route("/services/{name}", delete(remove_service)) .route("/services/{name}", delete(remove_service))
.route("/services/{name}/routes", get(list_routes))
.route("/services/{name}/routes", post(add_route))
.route("/services/{name}/routes", delete(remove_route))
.route("/ca.pem", get(serve_ca))
.with_state(ctx) .with_state(ctx)
} }
@@ -127,10 +131,19 @@ struct QueryLogResponse {
struct StatsResponse { struct StatsResponse {
uptime_secs: u64, uptime_secs: u64,
upstream: String, upstream: String,
config_path: String,
data_dir: String,
queries: QueriesStats, queries: QueriesStats,
cache: CacheStats, cache: CacheStats,
overrides: OverrideStats, overrides: OverrideStats,
blocking: BlockingStatsResponse, blocking: BlockingStatsResponse,
lan: LanStatsResponse,
}
#[derive(Serialize)]
struct LanStatsResponse {
enabled: bool,
peers: usize,
} }
#[derive(Serialize)] #[derive(Serialize)]
@@ -441,6 +454,8 @@ async fn stats(State(ctx): State<Arc<ServerCtx>>) -> Json<StatsResponse> {
Json(StatsResponse { Json(StatsResponse {
uptime_secs: snap.uptime_secs, uptime_secs: snap.uptime_secs,
upstream, upstream,
config_path: ctx.config_path.clone(),
data_dir: ctx.data_dir.to_string_lossy().to_string(),
queries: QueriesStats { queries: QueriesStats {
total: snap.total, total: snap.total,
forwarded: snap.forwarded, forwarded: snap.forwarded,
@@ -463,6 +478,10 @@ async fn stats(State(ctx): State<Arc<ServerCtx>>) -> Json<StatsResponse> {
domains_loaded: bl_stats.domains_loaded, domains_loaded: bl_stats.domains_loaded,
allowlist_size: bl_stats.allowlist_size, allowlist_size: bl_stats.allowlist_size,
}, },
lan: LanStatsResponse {
enabled: ctx.lan_enabled,
peers: ctx.lan_peers.lock().unwrap().list().len(),
},
}) })
} }
@@ -596,6 +615,9 @@ struct ServiceResponse {
url: String, url: String,
healthy: bool, healthy: bool,
lan_accessible: bool, lan_accessible: bool,
#[serde(skip_serializing_if = "Vec::is_empty")]
routes: Vec<crate::service_store::RouteEntry>,
source: String,
} }
#[derive(Deserialize)] #[derive(Deserialize)]
@@ -610,7 +632,19 @@ async fn list_services(State(ctx): State<Arc<ServerCtx>>) -> Json<Vec<ServiceRes
store store
.list() .list()
.into_iter() .into_iter()
.map(|e| (e.name.clone(), e.target_port)) .map(|e| {
let source = if store.is_config_service(&e.name) {
"config"
} else {
"api"
};
(
e.name.clone(),
e.target_port,
e.routes.clone(),
source.to_string(),
)
})
.collect() .collect()
}; };
let tld = &ctx.proxy_tld; let tld = &ctx.proxy_tld;
@@ -619,7 +653,7 @@ async fn list_services(State(ctx): State<Arc<ServerCtx>>) -> Json<Vec<ServiceRes
let check_futures: Vec<_> = entries let check_futures: Vec<_> = entries
.iter() .iter()
.map(|(_, port)| { .map(|(_, port, _, _)| {
let port = *port; let port = *port;
let localhost = std::net::SocketAddr::from(([127, 0, 0, 1], port)); let localhost = std::net::SocketAddr::from(([127, 0, 0, 1], port));
let lan_addr = lan_ip.map(|ip| std::net::SocketAddr::new(ip.into(), port)); let lan_addr = lan_ip.map(|ip| std::net::SocketAddr::new(ip.into(), port));
@@ -639,12 +673,14 @@ async fn list_services(State(ctx): State<Arc<ServerCtx>>) -> Json<Vec<ServiceRes
.into_iter() .into_iter()
.zip(check_results) .zip(check_results)
.map( .map(
|((name, port), (healthy, lan_accessible))| ServiceResponse { |((name, port, routes, source), (healthy, lan_accessible))| ServiceResponse {
url: format!("http://{}.{}", name, tld), url: format!("http://{}.{}", name, tld),
name, name,
target_port: port, target_port: port,
healthy, healthy,
lan_accessible, lan_accessible,
routes,
source,
}, },
) )
.collect(); .collect();
@@ -694,6 +730,8 @@ async fn create_service(
target_port: req.target_port, target_port: req.target_port,
healthy, healthy,
lan_accessible, lan_accessible,
routes: Vec::new(),
source: "api".to_string(),
}), }),
)) ))
} }
@@ -710,6 +748,92 @@ async fn remove_service(State(ctx): State<Arc<ServerCtx>>, Path(name): Path<Stri
} }
} }
// --- Route handlers ---
#[derive(Deserialize)]
struct AddRouteRequest {
path: String,
port: u16,
#[serde(default)]
strip: bool,
}
#[derive(Deserialize)]
struct RemoveRouteRequest {
path: String,
}
async fn list_routes(
State(ctx): State<Arc<ServerCtx>>,
Path(name): Path<String>,
) -> Result<Json<Vec<crate::service_store::RouteEntry>>, StatusCode> {
let store = ctx.services.lock().unwrap();
match store.lookup(&name) {
Some(entry) => Ok(Json(entry.routes.clone())),
None => Err(StatusCode::NOT_FOUND),
}
}
async fn add_route(
State(ctx): State<Arc<ServerCtx>>,
Path(name): Path<String>,
Json(req): Json<AddRouteRequest>,
) -> Result<StatusCode, (StatusCode, String)> {
if req.path.is_empty() || !req.path.starts_with('/') {
return Err((StatusCode::BAD_REQUEST, "path must start with /".into()));
}
if req.path.contains("/../") || req.path.ends_with("/..") || req.path.contains("%") {
return Err((
StatusCode::BAD_REQUEST,
"path must not contain '..' or percent-encoding".into(),
));
}
if req.port == 0 {
return Err((StatusCode::BAD_REQUEST, "port must be > 0".into()));
}
let mut store = ctx.services.lock().unwrap();
if store.add_route(&name, req.path, req.port, req.strip) {
Ok(StatusCode::CREATED)
} else {
Err((
StatusCode::NOT_FOUND,
format!("service '{}' not found", name),
))
}
}
async fn remove_route(
State(ctx): State<Arc<ServerCtx>>,
Path(name): Path<String>,
Json(req): Json<RemoveRouteRequest>,
) -> StatusCode {
let mut store = ctx.services.lock().unwrap();
if store.remove_route(&name, &req.path) {
StatusCode::NO_CONTENT
} else {
StatusCode::NOT_FOUND
}
}
async fn serve_ca(State(ctx): State<Arc<ServerCtx>>) -> Result<impl IntoResponse, StatusCode> {
let ca_path = ctx.data_dir.join("ca.pem");
let bytes = tokio::task::spawn_blocking(move || std::fs::read(ca_path))
.await
.map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
.map_err(|_| StatusCode::NOT_FOUND)?;
Ok((
[
(header::CONTENT_TYPE, "application/x-pem-file"),
(
header::CONTENT_DISPOSITION,
"attachment; filename=\"numa-ca.pem\"",
),
(header::CACHE_CONTROL, "public, max-age=86400"),
],
bytes,
))
}
async fn check_tcp(addr: std::net::SocketAddr) -> bool { async fn check_tcp(addr: std::net::SocketAddr) -> bool {
tokio::time::timeout( tokio::time::timeout(
std::time::Duration::from_millis(100), std::time::Duration::from_millis(100),

View File

@@ -35,6 +35,8 @@ pub struct ServerConfig {
pub bind_addr: String, pub bind_addr: String,
#[serde(default = "default_api_port")] #[serde(default = "default_api_port")]
pub api_port: u16, pub api_port: u16,
#[serde(default = "default_api_bind_addr")]
pub api_bind_addr: String,
} }
impl Default for ServerConfig { impl Default for ServerConfig {
@@ -42,10 +44,15 @@ impl Default for ServerConfig {
ServerConfig { ServerConfig {
bind_addr: default_bind_addr(), bind_addr: default_bind_addr(),
api_port: default_api_port(), api_port: default_api_port(),
api_bind_addr: default_api_bind_addr(),
} }
} }
} }
fn default_api_bind_addr() -> String {
"127.0.0.1".to_string()
}
fn default_bind_addr() -> String { fn default_bind_addr() -> String {
"0.0.0.0:53".to_string() "0.0.0.0:53".to_string()
} }
@@ -172,6 +179,8 @@ pub struct ProxyConfig {
pub tls_port: u16, pub tls_port: u16,
#[serde(default = "default_proxy_tld")] #[serde(default = "default_proxy_tld")]
pub tld: String, pub tld: String,
#[serde(default = "default_proxy_bind_addr")]
pub bind_addr: String,
} }
impl Default for ProxyConfig { impl Default for ProxyConfig {
@@ -181,10 +190,15 @@ impl Default for ProxyConfig {
port: default_proxy_port(), port: default_proxy_port(),
tls_port: default_proxy_tls_port(), tls_port: default_proxy_tls_port(),
tld: default_proxy_tld(), tld: default_proxy_tld(),
bind_addr: default_proxy_bind_addr(),
} }
} }
} }
fn default_proxy_bind_addr() -> String {
"127.0.0.1".to_string()
}
fn default_proxy_enabled() -> bool { fn default_proxy_enabled() -> bool {
true true
} }
@@ -202,16 +216,14 @@ fn default_proxy_tld() -> String {
pub struct ServiceConfig { pub struct ServiceConfig {
pub name: String, pub name: String,
pub target_port: u16, pub target_port: u16,
#[serde(default)]
pub routes: Vec<crate::service_store::RouteEntry>,
} }
#[derive(Deserialize, Clone)] #[derive(Deserialize, Clone)]
pub struct LanConfig { pub struct LanConfig {
#[serde(default = "default_lan_enabled")] #[serde(default = "default_lan_enabled")]
pub enabled: bool, pub enabled: bool,
#[serde(default = "default_lan_multicast_group")]
pub multicast_group: String,
#[serde(default = "default_lan_port")]
pub port: u16,
#[serde(default = "default_lan_broadcast_interval")] #[serde(default = "default_lan_broadcast_interval")]
pub broadcast_interval_secs: u64, pub broadcast_interval_secs: u64,
#[serde(default = "default_lan_peer_timeout")] #[serde(default = "default_lan_peer_timeout")]
@@ -222,8 +234,6 @@ impl Default for LanConfig {
fn default() -> Self { fn default() -> Self {
LanConfig { LanConfig {
enabled: default_lan_enabled(), enabled: default_lan_enabled(),
multicast_group: default_lan_multicast_group(),
port: default_lan_port(),
broadcast_interval_secs: default_lan_broadcast_interval(), broadcast_interval_secs: default_lan_broadcast_interval(),
peer_timeout_secs: default_lan_peer_timeout(), peer_timeout_secs: default_lan_peer_timeout(),
} }
@@ -231,13 +241,7 @@ impl Default for LanConfig {
} }
fn default_lan_enabled() -> bool { fn default_lan_enabled() -> bool {
true false
}
fn default_lan_multicast_group() -> String {
"239.255.70.78".to_string()
}
fn default_lan_port() -> u16 {
5390
} }
fn default_lan_broadcast_interval() -> u64 { fn default_lan_broadcast_interval() -> u64 {
30 30
@@ -246,13 +250,128 @@ fn default_lan_peer_timeout() -> u64 {
90 90
} }
pub fn load_config(path: &str) -> Result<Config> { #[cfg(test)]
if !Path::new(path).exists() { mod tests {
return Ok(Config::default()); use super::*;
#[test]
fn lan_disabled_by_default() {
assert!(!LanConfig::default().enabled);
} }
let contents = std::fs::read_to_string(path)?;
#[test]
fn api_binds_localhost_by_default() {
assert_eq!(ServerConfig::default().api_bind_addr, "127.0.0.1");
}
#[test]
fn proxy_binds_localhost_by_default() {
assert_eq!(ProxyConfig::default().bind_addr, "127.0.0.1");
}
#[test]
fn empty_toml_gives_defaults() {
let config: Config = toml::from_str("").unwrap();
assert!(!config.lan.enabled);
assert_eq!(config.server.api_bind_addr, "127.0.0.1");
assert_eq!(config.proxy.bind_addr, "127.0.0.1");
assert_eq!(config.server.api_port, ServerConfig::default().api_port);
}
#[test]
fn lan_enabled_parses() {
let config: Config = toml::from_str("[lan]\nenabled = true").unwrap();
assert!(config.lan.enabled);
}
#[test]
fn custom_bind_addrs_parse() {
let toml = r#"
[server]
api_bind_addr = "0.0.0.0"
[proxy]
bind_addr = "0.0.0.0"
"#;
let config: Config = toml::from_str(toml).unwrap();
assert_eq!(config.server.api_bind_addr, "0.0.0.0");
assert_eq!(config.proxy.bind_addr, "0.0.0.0");
}
#[test]
fn service_routes_parse_from_toml() {
let toml = r#"
[[services]]
name = "app"
target_port = 3000
routes = [
{ path = "/api", port = 4000, strip = true },
{ path = "/static", port = 5000 },
]
"#;
let config: Config = toml::from_str(toml).unwrap();
assert_eq!(config.services.len(), 1);
assert_eq!(config.services[0].routes.len(), 2);
assert!(config.services[0].routes[0].strip);
assert!(!config.services[0].routes[1].strip); // default false
}
}
pub struct ConfigLoad {
pub config: Config,
pub path: String,
pub found: bool,
}
fn resolve_path(path: &str) -> String {
// canonicalize gives the real absolute path for existing files;
// for non-existent files, build an absolute path manually
std::fs::canonicalize(path)
.or_else(|_| std::env::current_dir().map(|cwd| cwd.join(path)))
.unwrap_or_else(|_| Path::new(path).to_path_buf())
.to_string_lossy()
.to_string()
}
pub fn load_config(path: &str) -> Result<ConfigLoad> {
// Try the given path first, then well-known locations (for service mode where cwd is /)
let candidates: Vec<std::path::PathBuf> = {
let p = Path::new(path);
let mut v = vec![p.to_path_buf()];
if p.is_relative() {
let filename = p.file_name().unwrap_or(p.as_os_str());
v.push(crate::config_dir().join(filename));
v.push(crate::data_dir().join(filename));
}
v
};
for candidate in &candidates {
match std::fs::read_to_string(candidate) {
Ok(contents) => {
let resolved = resolve_path(&candidate.to_string_lossy());
let config: Config = toml::from_str(&contents)?; let config: Config = toml::from_str(&contents)?;
Ok(config) return Ok(ConfigLoad {
config,
path: resolved,
found: true,
});
}
Err(e) if e.kind() == std::io::ErrorKind::NotFound => continue,
Err(e) => return Err(e.into()),
}
}
// Show config_dir candidate as the "expected" path — it's actionable
let display_path = candidates
.get(1)
.map(|p| p.to_string_lossy().to_string())
.unwrap_or_else(|| resolve_path(path));
log::info!("config not found, using defaults (create {})", display_path);
Ok(ConfigLoad {
config: Config::default(),
path: display_path,
found: false,
})
} }
pub type ZoneMap = HashMap<String, HashMap<QueryType, Vec<DnsRecord>>>; pub type ZoneMap = HashMap<String, HashMap<QueryType, Vec<DnsRecord>>>;

View File

@@ -1,4 +1,5 @@
use std::net::SocketAddr; use std::net::SocketAddr;
use std::path::PathBuf;
use std::sync::Mutex; use std::sync::Mutex;
use std::time::{Duration, Instant, SystemTime}; use std::time::{Duration, Instant, SystemTime};
@@ -39,6 +40,11 @@ pub struct ServerCtx {
pub timeout: Duration, pub timeout: Duration,
pub proxy_tld: String, pub proxy_tld: String,
pub proxy_tld_suffix: String, // pre-computed ".{tld}" to avoid per-query allocation pub proxy_tld_suffix: String, // pre-computed ".{tld}" to avoid per-query allocation
pub lan_enabled: bool,
pub config_path: String,
pub config_found: bool,
pub config_dir: PathBuf,
pub data_dir: PathBuf,
} }
pub async fn handle_query( pub async fn handle_query(

View File

@@ -1,13 +1,22 @@
use std::collections::HashMap; use std::collections::HashMap;
use std::net::{IpAddr, Ipv4Addr, SocketAddr}; use std::net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4};
use std::sync::Arc; use std::sync::Arc;
use std::time::{Duration, Instant}; use std::time::{Duration, Instant};
use log::{debug, info, warn}; use log::{debug, info, warn};
use serde::{Deserialize, Serialize};
use crate::buffer::BytePacketBuffer;
use crate::config::LanConfig; use crate::config::LanConfig;
use crate::ctx::ServerCtx; use crate::ctx::ServerCtx;
use crate::header::DnsHeader;
use crate::question::{DnsQuestion, QueryType};
// --- Constants ---
const MDNS_ADDR: Ipv4Addr = Ipv4Addr::new(224, 0, 0, 251);
const MDNS_PORT: u16 = 5353;
const SERVICE_TYPE: &str = "_numa._tcp.local";
const MDNS_TTL: u32 = 120;
// --- Peer Store --- // --- Peer Store ---
@@ -63,20 +72,7 @@ impl PeerStore {
} }
} }
// --- Multicast --- // --- mDNS Discovery ---
#[derive(Serialize, Deserialize)]
struct Announcement {
instance_id: u64,
host: String,
services: Vec<AnnouncedService>,
}
#[derive(Serialize, Deserialize)]
struct AnnouncedService {
name: String,
port: u16,
}
pub fn detect_lan_ip() -> Option<Ipv4Addr> { pub fn detect_lan_ip() -> Option<Ipv4Addr> {
let socket = std::net::UdpSocket::bind("0.0.0.0:0").ok()?; let socket = std::net::UdpSocket::bind("0.0.0.0:0").ok()?;
@@ -87,44 +83,45 @@ pub fn detect_lan_ip() -> Option<Ipv4Addr> {
} }
} }
pub async fn start_lan_discovery(ctx: Arc<ServerCtx>, config: &LanConfig) { fn get_hostname() -> String {
let multicast_group: Ipv4Addr = match config.multicast_group.parse::<Ipv4Addr>() { std::process::Command::new("hostname")
Ok(g) if g.is_multicast() => g, .output()
Ok(g) => { .ok()
warn!("LAN: {} is not a multicast address (224.0.0.0/4)", g); .and_then(|o| String::from_utf8(o.stdout).ok())
return; .map(|h| h.trim().split('.').next().unwrap_or("numa").to_string())
} .filter(|h| !h.is_empty())
Err(e) => { .unwrap_or_else(|| "numa".to_string())
warn!( }
"LAN: invalid multicast group {}: {}",
config.multicast_group, e
);
return;
}
};
let port = config.port;
let interval = Duration::from_secs(config.broadcast_interval_secs);
let instance_id: u64 = { /// Generate a per-process instance ID for self-filtering on multi-instance hosts
let pid = std::process::id() as u64; fn instance_id() -> String {
let ts = std::time::SystemTime::now() format!(
"{}:{}",
std::process::id(),
std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH) .duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default() .unwrap_or_default()
.as_nanos() as u64; .as_nanos()
pid ^ ts % 1_000_000
}; )
}
pub async fn start_lan_discovery(ctx: Arc<ServerCtx>, config: &LanConfig) {
let interval = Duration::from_secs(config.broadcast_interval_secs);
let local_ip = *ctx.lan_ip.lock().unwrap(); let local_ip = *ctx.lan_ip.lock().unwrap();
let hostname = get_hostname();
let our_instance_id = instance_id();
info!( info!(
"LAN discovery on {}:{}, local IP {}, instance {:016x}", "LAN discovery via mDNS on {}:{}, local IP {}, instance {}._numa._tcp.local",
multicast_group, port, local_ip, instance_id MDNS_ADDR, MDNS_PORT, local_ip, hostname
); );
// Create socket with SO_REUSEADDR for multicast let std_socket = match create_mdns_socket() {
let std_socket = match create_multicast_socket(multicast_group, port) {
Ok(s) => s, Ok(s) => s,
Err(e) => { Err(e) => {
warn!( warn!(
"LAN: could not bind multicast socket: {} — LAN discovery disabled", "LAN: could not bind mDNS socket: {} — LAN discovery disabled",
e e
); );
return; return;
@@ -138,81 +135,308 @@ pub async fn start_lan_discovery(ctx: Arc<ServerCtx>, config: &LanConfig) {
} }
}; };
let socket = Arc::new(socket); let socket = Arc::new(socket);
let dest = SocketAddr::new(IpAddr::V4(MDNS_ADDR), MDNS_PORT);
// Spawn sender // Spawn sender: announce our services periodically
let sender_ctx = Arc::clone(&ctx); let sender_ctx = Arc::clone(&ctx);
let sender_socket = Arc::clone(&socket); let sender_socket = Arc::clone(&socket);
let dest = SocketAddr::new(IpAddr::V4(multicast_group), port); let sender_hostname = hostname.clone();
let sender_instance_id = our_instance_id.clone();
tokio::spawn(async move { tokio::spawn(async move {
let mut ticker = tokio::time::interval(interval); let mut ticker = tokio::time::interval(interval);
loop { loop {
ticker.tick().await; ticker.tick().await;
let services: Vec<AnnouncedService> = { let services: Vec<(String, u16)> = {
let store = sender_ctx.services.lock().unwrap(); let store = sender_ctx.services.lock().unwrap();
store store
.list() .list()
.iter() .iter()
.map(|e| AnnouncedService { .map(|e| (e.name.clone(), e.target_port))
name: e.name.clone(),
port: e.target_port,
})
.collect() .collect()
}; };
if services.is_empty() { if services.is_empty() {
continue; continue;
} }
let current_ip = sender_ctx.lan_ip.lock().unwrap().to_string(); let current_ip = *sender_ctx.lan_ip.lock().unwrap();
let announcement = Announcement { if let Ok(pkt) =
instance_id, build_announcement(&sender_hostname, current_ip, &services, &sender_instance_id)
host: current_ip, {
services, let _ = sender_socket.send_to(pkt.filled(), dest).await;
};
if let Ok(json) = serde_json::to_vec(&announcement) {
let _ = sender_socket.send_to(&json, dest).await;
} }
} }
}); });
// Receiver loop // Send initial browse query
if let Ok(pkt) = build_browse_query() {
let _ = socket.send_to(pkt.filled(), dest).await;
}
// Receiver loop: parse mDNS responses for _numa._tcp
let mut buf = vec![0u8; 4096]; let mut buf = vec![0u8; 4096];
loop { loop {
let (len, src) = match socket.recv_from(&mut buf).await { let (len, _src) = match socket.recv_from(&mut buf).await {
Ok(r) => r, Ok(r) => r,
Err(e) => { Err(e) => {
debug!("LAN recv error: {}", e); debug!("mDNS recv error: {}", e);
continue; continue;
} }
}; };
let announcement: Announcement = match serde_json::from_slice(&buf[..len]) {
Ok(a) => a, let data = &buf[..len];
Err(_) => continue, if let Some(ann) = parse_mdns_response(data) {
}; // Skip our own announcements via instance ID (works on multi-instance same-host)
// Skip self-announcements if ann.instance_id.as_deref() == Some(our_instance_id.as_str()) {
if announcement.instance_id == instance_id {
continue; continue;
} }
let peer_ip: IpAddr = match announcement.host.parse() { if !ann.services.is_empty() {
Ok(ip) => ip, ctx.lan_peers
Err(_) => continue, .lock()
}; .unwrap()
let services: Vec<(String, u16)> = announcement .update(ann.peer_ip, &ann.services);
.services
.iter()
.map(|s| (s.name.clone(), s.port))
.collect();
let count = services.len();
ctx.lan_peers.lock().unwrap().update(peer_ip, &services);
debug!( debug!(
"LAN: {} services from {} (via {})", "LAN: {} services from {} (mDNS)",
count, announcement.host, src ann.services.len(),
ann.peer_ip
); );
} }
}
}
} }
fn create_multicast_socket(group: Ipv4Addr, port: u16) -> std::io::Result<std::net::UdpSocket> { // --- mDNS Packet Building ---
use std::net::SocketAddrV4;
let addr = SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, port); fn build_browse_query() -> crate::Result<BytePacketBuffer> {
let mut buf = BytePacketBuffer::new();
let mut header = DnsHeader::new();
header.questions = 1;
header.write(&mut buf)?;
DnsQuestion::new(SERVICE_TYPE.to_string(), QueryType::PTR).write(&mut buf)?;
Ok(buf)
}
fn build_announcement(
hostname: &str,
ip: Ipv4Addr,
services: &[(String, u16)],
inst_id: &str,
) -> crate::Result<BytePacketBuffer> {
let mut buf = BytePacketBuffer::new();
let instance_name = format!("{}._numa._tcp.local", hostname);
let host_local = format!("{}.local", hostname);
let mut header = DnsHeader::new();
header.response = true;
header.authoritative_answer = true;
header.answers = 4; // PTR + SRV + TXT + A
header.write(&mut buf)?;
// PTR: _numa._tcp.local → <hostname>._numa._tcp.local
write_record_header(&mut buf, SERVICE_TYPE, QueryType::PTR.to_num(), 1, MDNS_TTL)?;
let rdlen_pos = buf.pos();
buf.write_u16(0)?;
let rdata_start = buf.pos();
buf.write_qname(&instance_name)?;
patch_rdlen(&mut buf, rdlen_pos, rdata_start)?;
// SRV: <instance>._numa._tcp.local → <hostname>.local
// Port in SRV is informational; actual service ports are in TXT
write_record_header(
&mut buf,
&instance_name,
QueryType::SRV.to_num(),
0x8001,
MDNS_TTL,
)?;
let rdlen_pos = buf.pos();
buf.write_u16(0)?;
let rdata_start = buf.pos();
buf.write_u16(0)?; // priority
buf.write_u16(0)?; // weight
buf.write_u16(services.first().map(|(_, p)| *p).unwrap_or(0))?; // first service port for SRV display
buf.write_qname(&host_local)?;
patch_rdlen(&mut buf, rdlen_pos, rdata_start)?;
// TXT: services + instance ID for self-filtering
write_record_header(
&mut buf,
&instance_name,
QueryType::TXT.to_num(),
0x8001,
MDNS_TTL,
)?;
let rdlen_pos = buf.pos();
buf.write_u16(0)?;
let rdata_start = buf.pos();
let svc_str = services
.iter()
.map(|(name, port)| format!("{}:{}", name, port))
.collect::<Vec<_>>()
.join(",");
write_txt_string(&mut buf, &format!("services={}", svc_str))?;
write_txt_string(&mut buf, &format!("id={}", inst_id))?;
patch_rdlen(&mut buf, rdlen_pos, rdata_start)?;
// A: <hostname>.local → IP
write_record_header(
&mut buf,
&host_local,
QueryType::A.to_num(),
0x8001,
MDNS_TTL,
)?;
buf.write_u16(4)?;
for &b in &ip.octets() {
buf.write_u8(b)?;
}
Ok(buf)
}
fn write_record_header(
buf: &mut BytePacketBuffer,
name: &str,
rtype: u16,
class: u16,
ttl: u32,
) -> crate::Result<()> {
buf.write_qname(name)?;
buf.write_u16(rtype)?;
buf.write_u16(class)?;
buf.write_u32(ttl)?;
Ok(())
}
fn patch_rdlen(
buf: &mut BytePacketBuffer,
rdlen_pos: usize,
rdata_start: usize,
) -> crate::Result<()> {
let rdlen = (buf.pos() - rdata_start) as u16;
buf.set_u16(rdlen_pos, rdlen)
}
fn write_txt_string(buf: &mut BytePacketBuffer, s: &str) -> crate::Result<()> {
let bytes = s.as_bytes();
for chunk in bytes.chunks(255) {
buf.write_u8(chunk.len() as u8)?;
for &b in chunk {
buf.write_u8(b)?;
}
}
Ok(())
}
// --- mDNS Packet Parsing ---
struct MdnsAnnouncement {
services: Vec<(String, u16)>,
peer_ip: IpAddr,
instance_id: Option<String>,
}
fn parse_mdns_response(data: &[u8]) -> Option<MdnsAnnouncement> {
if data.len() < 12 {
return None;
}
let mut buf = BytePacketBuffer::new();
buf.buf[..data.len()].copy_from_slice(data);
let mut header = DnsHeader::new();
header.read(&mut buf).ok()?;
if !header.response || header.answers == 0 {
return None;
}
// Skip questions
for _ in 0..header.questions {
let mut q = DnsQuestion::new(String::new(), QueryType::UNKNOWN(0));
q.read(&mut buf).ok()?;
}
let total = header.answers + header.authoritative_entries + header.resource_entries;
let mut txt_services: Option<Vec<(String, u16)>> = None;
let mut peer_instance_id: Option<String> = None;
let mut a_ip: Option<IpAddr> = None;
let mut name = String::with_capacity(64);
for _ in 0..total {
if buf.pos() >= data.len() {
break;
}
name.clear();
if buf.read_qname(&mut name).is_err() {
break;
}
let rtype = buf.read_u16().unwrap_or(0);
let _rclass = buf.read_u16().unwrap_or(0);
let _ttl = buf.read_u32().unwrap_or(0);
let rdlength = buf.read_u16().unwrap_or(0) as usize;
let rdata_start = buf.pos();
match rtype {
t if t == QueryType::TXT.to_num() && name.contains("_numa._tcp") => {
let mut pos = rdata_start;
while pos < rdata_start + rdlength && pos < data.len() {
let txt_len = data[pos] as usize;
pos += 1;
if pos + txt_len > data.len() {
break;
}
if let Ok(txt) = std::str::from_utf8(&data[pos..pos + txt_len]) {
if let Some(val) = txt.strip_prefix("services=") {
let svcs: Vec<(String, u16)> = val
.split(',')
.filter_map(|s| {
let mut parts = s.splitn(2, ':');
let svc_name = parts.next()?.to_string();
let port = parts.next()?.parse().ok()?;
Some((svc_name, port))
})
.collect();
if !svcs.is_empty() {
txt_services = Some(svcs);
}
} else if let Some(id) = txt.strip_prefix("id=") {
peer_instance_id = Some(id.to_string());
}
}
pos += txt_len;
}
}
t if t == QueryType::A.to_num() && rdlength == 4 && rdata_start + 4 <= data.len() => {
a_ip = Some(IpAddr::V4(Ipv4Addr::new(
data[rdata_start],
data[rdata_start + 1],
data[rdata_start + 2],
data[rdata_start + 3],
)));
}
_ => {}
}
buf.seek(rdata_start + rdlength).ok();
}
let services = txt_services?;
// Trust the A record IP if present, otherwise this isn't a complete announcement
let peer_ip = a_ip?;
Some(MdnsAnnouncement {
services,
peer_ip,
instance_id: peer_instance_id,
})
}
fn create_mdns_socket() -> std::io::Result<std::net::UdpSocket> {
let addr = SocketAddrV4::new(Ipv4Addr::UNSPECIFIED, MDNS_PORT);
let socket = socket2::Socket::new( let socket = socket2::Socket::new(
socket2::Domain::IPV4, socket2::Domain::IPV4,
socket2::Type::DGRAM, socket2::Type::DGRAM,
@@ -223,6 +447,6 @@ fn create_multicast_socket(group: Ipv4Addr, port: u16) -> std::io::Result<std::n
socket.set_reuse_port(true)?; socket.set_reuse_port(true)?;
socket.set_nonblocking(true)?; socket.set_nonblocking(true)?;
socket.bind(&socket2::SockAddr::from(addr))?; socket.bind(&socket2::SockAddr::from(addr))?;
socket.join_multicast_v4(&group, &Ipv4Addr::UNSPECIFIED)?; socket.join_multicast_v4(&MDNS_ADDR, &Ipv4Addr::UNSPECIFIED)?;
Ok(socket.into()) Ok(socket.into())
} }

View File

@@ -8,7 +8,7 @@ use tokio::net::UdpSocket;
use numa::blocklist::{download_blocklists, parse_blocklist, BlocklistStore}; use numa::blocklist::{download_blocklists, parse_blocklist, BlocklistStore};
use numa::buffer::BytePacketBuffer; use numa::buffer::BytePacketBuffer;
use numa::cache::DnsCache; use numa::cache::DnsCache;
use numa::config::{build_zone_map, load_config}; use numa::config::{build_zone_map, load_config, ConfigLoad};
use numa::ctx::{handle_query, ServerCtx}; use numa::ctx::{handle_query, ServerCtx};
use numa::override_store::OverrideStore; use numa::override_store::OverrideStore;
use numa::query_log::QueryLog; use numa::query_log::QueryLog;
@@ -50,6 +50,20 @@ async fn main() -> numa::Result<()> {
} }
}; };
} }
"lan" => {
let sub = std::env::args().nth(2).unwrap_or_default();
let config_path = std::env::args()
.nth(3)
.unwrap_or_else(|| "numa.toml".to_string());
return match sub.as_str() {
"on" => set_lan_enabled(true, &config_path),
"off" => set_lan_enabled(false, &config_path),
_ => {
eprintln!("Usage: numa lan <on|off> [config-path]");
Ok(())
}
};
}
"version" | "--version" | "-V" => { "version" | "--version" | "-V" => {
eprintln!("numa {}", env!("CARGO_PKG_VERSION")); eprintln!("numa {}", env!("CARGO_PKG_VERSION"));
return Ok(()); return Ok(());
@@ -65,6 +79,8 @@ async fn main() -> numa::Result<()> {
eprintln!(" service stop Uninstall the system service"); eprintln!(" service stop Uninstall the system service");
eprintln!(" service restart Restart the service with updated binary"); eprintln!(" service restart Restart the service with updated binary");
eprintln!(" service status Check if the service is running"); eprintln!(" service status Check if the service is running");
eprintln!(" lan on Enable LAN service discovery (mDNS)");
eprintln!(" lan off Disable LAN service discovery");
eprintln!(" help Show this help"); eprintln!(" help Show this help");
eprintln!(); eprintln!();
eprintln!("Config path defaults to numa.toml"); eprintln!("Config path defaults to numa.toml");
@@ -80,7 +96,11 @@ async fn main() -> numa::Result<()> {
} else { } else {
arg1 // treat as config path for backwards compatibility arg1 // treat as config path for backwards compatibility
}; };
let config = load_config(&config_path)?; let ConfigLoad {
config,
path: resolved_config_path,
found: config_found,
} = load_config(&config_path)?;
// Discover system DNS in a single pass (upstream + forwarding rules) // Discover system DNS in a single pass (upstream + forwarding rules)
let system_dns = discover_system_dns(); let system_dns = discover_system_dns();
@@ -109,9 +129,9 @@ async fn main() -> numa::Result<()> {
// Build service store: config services + persisted user services // Build service store: config services + persisted user services
let mut service_store = ServiceStore::new(); let mut service_store = ServiceStore::new();
service_store.insert_from_config("numa", config.server.api_port); service_store.insert_from_config("numa", config.server.api_port, Vec::new());
for svc in &config.services { for svc in &config.services {
service_store.insert_from_config(&svc.name, svc.target_port); service_store.insert_from_config(&svc.name, svc.target_port, svc.routes.clone());
} }
service_store.load_persisted(); service_store.load_persisted();
@@ -143,40 +163,122 @@ async fn main() -> numa::Result<()> {
format!(".{}", config.proxy.tld) format!(".{}", config.proxy.tld)
}, },
proxy_tld: config.proxy.tld.clone(), proxy_tld: config.proxy.tld.clone(),
lan_enabled: config.lan.enabled,
config_path: resolved_config_path,
config_found,
config_dir: numa::config_dir(),
data_dir: numa::data_dir(),
}); });
let zone_count: usize = ctx.zone_map.values().map(|m| m.len()).sum(); let zone_count: usize = ctx.zone_map.values().map(|m| m.len()).sum();
eprintln!("\n\x1b[38;2;192;98;58m ╔══════════════════════════════════════════╗\x1b[0m");
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[1;38;2;192;98;58mNUMA\x1b[0m \x1b[3;38;2;163;152;136mDNS that governs itself\x1b[0m \x1b[38;2;163;152;136mv{}\x1b[0m \x1b[38;2;192;98;58m║\x1b[0m", env!("CARGO_PKG_VERSION")); // Build banner rows, then size the box to fit the longest value
eprintln!("\x1b[38;2;192;98;58m ╠══════════════════════════════════════════╣\x1b[0m"); let api_url = format!("http://localhost:{}", api_port);
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mDNS\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", config.server.bind_addr); let proxy_label = if config.proxy.enabled {
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mAPI\x1b[0m http://localhost:{:<16}\x1b[38;2;192;98;58m║\x1b[0m", api_port); if config.proxy.tls_port > 0 {
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mDashboard\x1b[0m http://localhost:{:<16}\x1b[38;2;192;98;58m║\x1b[0m", api_port); Some(format!(
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mUpstream\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", upstream);
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mZones\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", format!("{} records", zone_count));
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mCache\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", format!("max {} entries", config.cache.max_entries));
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mBlocking\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m",
if config.blocking.enabled { format!("{} lists", config.blocking.lists.len()) } else { "disabled".to_string() });
if config.proxy.enabled {
let schemes = if config.proxy.tls_port > 0 {
format!(
"http://:{} https://:{}", "http://:{} https://:{}",
config.proxy.port, config.proxy.tls_port config.proxy.port, config.proxy.tls_port
) ))
} else { } else {
format!("http://*.{} on :{}", config.proxy.tld, config.proxy.port) Some(format!(
"http://*.{} on :{}",
config.proxy.tld, config.proxy.port
))
}
} else {
None
}; };
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mProxy\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", schemes); let config_label = if ctx.config_found {
ctx.config_path.clone()
} else {
format!("{} (defaults)", ctx.config_path)
};
let data_label = ctx.data_dir.display().to_string();
let services_label = ctx.config_dir.join("services.json").display().to_string();
// label (10) + value + padding (2) = inner width; minimum 40 for the title row
let val_w = [
config.server.bind_addr.len(),
api_url.len(),
upstream.to_string().len(),
config_label.len(),
data_label.len(),
services_label.len(),
]
.into_iter()
.chain(proxy_label.as_ref().map(|s| s.len()))
.max()
.unwrap_or(30);
let w = (val_w + 12).max(42); // 10 label + 2 padding, min 42 for title
let o = "\x1b[38;2;192;98;58m"; // orange
let g = "\x1b[38;2;107;124;78m"; // green
let d = "\x1b[38;2;163;152;136m"; // dim
let r = "\x1b[0m"; // reset
let b = "\x1b[1;38;2;192;98;58m"; // bold orange
let it = "\x1b[3;38;2;163;152;136m"; // italic dim
let bar_top = "".repeat(w);
let bar_mid = "".repeat(w);
let row = |label: &str, color: &str, value: &str| {
eprintln!(
"{o}{r} {color}{:<9}{r} {:<vw$}{o}{r}",
label,
value,
vw = w - 12
);
};
// Title row: center within the box
let title = format!(
"{b}NUMA{r} {it}DNS that governs itself{r} {d}v{}{r}",
env!("CARGO_PKG_VERSION")
);
// The title contains ANSI codes; visible length is ~38 chars. Pad to fill the box.
let title_visible_len = 4 + 2 + 24 + 2 + 1 + env!("CARGO_PKG_VERSION").len() + 1;
let title_pad = w.saturating_sub(title_visible_len);
eprintln!("\n{o}{bar_top}{r}");
eprint!("{o}{r} {title}");
eprintln!("{}{o}{r}", " ".repeat(title_pad));
eprintln!("{o}{bar_top}{r}");
row("DNS", g, &config.server.bind_addr);
row("API", g, &api_url);
row("Dashboard", g, &api_url);
row("Upstream", g, &upstream.to_string());
row("Zones", g, &format!("{} records", zone_count));
row(
"Cache",
g,
&format!("max {} entries", config.cache.max_entries),
);
row(
"Blocking",
g,
&if config.blocking.enabled {
format!("{} lists", config.blocking.lists.len())
} else {
"disabled".to_string()
},
);
if let Some(ref label) = proxy_label {
row("Proxy", g, label);
} }
if config.lan.enabled { if config.lan.enabled {
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mLAN\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", row("LAN", g, "mDNS (_numa._tcp.local)");
format!("{}:{}", config.lan.multicast_group, config.lan.port));
} }
if !ctx.forwarding_rules.is_empty() { if !ctx.forwarding_rules.is_empty() {
eprintln!("\x1b[38;2;192;98;58m ║\x1b[0m \x1b[38;2;107;124;78mRouting\x1b[0m {:<30}\x1b[38;2;192;98;58m║\x1b[0m", row(
format!("{} conditional rules", ctx.forwarding_rules.len())); "Routing",
g,
&format!("{} conditional rules", ctx.forwarding_rules.len()),
);
} }
eprintln!("\x1b[38;2;192;98;58m ╚══════════════════════════════════════════╝\x1b[0m\n"); eprintln!("{o}{bar_mid}{r}");
row("Config", d, &config_label);
row("Data", d, &data_label);
row("Services", d, &services_label);
eprintln!("{o}{bar_top}{r}\n");
info!( info!(
"numa listening on {}, upstream {}, {} zone records, cache max {}, API on port {}", "numa listening on {}, upstream {}, {} zone records, cache max {}, API on port {}",
@@ -205,7 +307,7 @@ async fn main() -> numa::Result<()> {
// Spawn HTTP API server // Spawn HTTP API server
let api_ctx = Arc::clone(&ctx); let api_ctx = Arc::clone(&ctx);
let api_addr: SocketAddr = format!("0.0.0.0:{}", api_port).parse()?; let api_addr: SocketAddr = format!("{}:{}", config.server.api_bind_addr, api_port).parse()?;
tokio::spawn(async move { tokio::spawn(async move {
let app = numa::api::router(api_ctx); let app = numa::api::router(api_ctx);
let listener = tokio::net::TcpListener::bind(api_addr).await.unwrap(); let listener = tokio::net::TcpListener::bind(api_addr).await.unwrap();
@@ -213,12 +315,23 @@ async fn main() -> numa::Result<()> {
axum::serve(listener, app).await.unwrap(); axum::serve(listener, app).await.unwrap();
}); });
// Proxy binds 0.0.0.0 when LAN is enabled (cross-machine access), otherwise config value
let proxy_bind: std::net::Ipv4Addr = if config.lan.enabled {
std::net::Ipv4Addr::UNSPECIFIED
} else {
config
.proxy
.bind_addr
.parse()
.unwrap_or(std::net::Ipv4Addr::LOCALHOST)
};
// Spawn HTTP reverse proxy for .numa domains // Spawn HTTP reverse proxy for .numa domains
if config.proxy.enabled { if config.proxy.enabled {
let proxy_ctx = Arc::clone(&ctx); let proxy_ctx = Arc::clone(&ctx);
let proxy_port = config.proxy.port; let proxy_port = config.proxy.port;
tokio::spawn(async move { tokio::spawn(async move {
numa::proxy::start_proxy(proxy_ctx, proxy_port).await; numa::proxy::start_proxy(proxy_ctx, proxy_port, proxy_bind).await;
}); });
} }
@@ -237,7 +350,7 @@ async fn main() -> numa::Result<()> {
let proxy_ctx = Arc::clone(&ctx); let proxy_ctx = Arc::clone(&ctx);
let tls_port = config.proxy.tls_port; let tls_port = config.proxy.tls_port;
tokio::spawn(async move { tokio::spawn(async move {
numa::proxy::start_proxy_tls(proxy_ctx, tls_port, tls_config).await; numa::proxy::start_proxy_tls(proxy_ctx, tls_port, proxy_bind, tls_config).await;
}); });
} }
Err(e) => { Err(e) => {
@@ -327,6 +440,71 @@ async fn network_watch_loop(ctx: Arc<numa::ctx::ServerCtx>) {
} }
} }
fn set_lan_enabled(enabled: bool, path: &str) -> numa::Result<()> {
let contents = match std::fs::read_to_string(path) {
Ok(c) => c,
Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
std::fs::write(path, format!("[lan]\nenabled = {}\n", enabled))?;
print_lan_status(enabled);
return Ok(());
}
Err(e) => return Err(e.into()),
};
// Track current TOML section while scanning lines
let mut in_lan = false;
let mut found = false;
let mut lines: Vec<String> = contents
.lines()
.map(|line| {
let trimmed = line.trim();
if trimmed.starts_with('[') {
in_lan = trimmed == "[lan]";
}
if in_lan && !found {
if let Some((key, _)) = trimmed.split_once('=') {
if key.trim() == "enabled" {
found = true;
let indent = &line[..line.len() - trimmed.len()];
return format!("{}enabled = {}", indent, enabled);
}
}
}
line.to_string()
})
.collect();
if !found {
if let Some(i) = lines.iter().position(|l| l.trim() == "[lan]") {
lines.insert(i + 1, format!("enabled = {}", enabled));
} else {
lines.push(String::new());
lines.push("[lan]".to_string());
lines.push(format!("enabled = {}", enabled));
}
}
let mut result = lines.join("\n");
if !result.ends_with('\n') {
result.push('\n');
}
std::fs::write(path, result)?;
print_lan_status(enabled);
Ok(())
}
fn print_lan_status(enabled: bool) {
let label = if enabled { "enabled" } else { "disabled" };
let color = if enabled { "32" } else { "33" };
eprintln!(
"\x1b[1;38;2;192;98;58mNuma\x1b[0m — LAN discovery \x1b[{}m{}\x1b[0m",
color, label
);
if enabled {
eprintln!(" Restart Numa to start mDNS discovery");
}
}
async fn load_blocklists(ctx: &ServerCtx, lists: &[String]) { async fn load_blocklists(ctx: &ServerCtx, lists: &[String]) {
let downloaded = download_blocklists(lists).await; let downloaded = download_blocklists(lists).await;

View File

@@ -1,4 +1,4 @@
use std::net::SocketAddr; use std::net::{Ipv4Addr, SocketAddr};
use std::sync::Arc; use std::sync::Arc;
use axum::body::Body; use axum::body::Body;
@@ -25,8 +25,8 @@ struct ProxyState {
client: HttpClient, client: HttpClient,
} }
pub async fn start_proxy(ctx: Arc<ServerCtx>, port: u16) { pub async fn start_proxy(ctx: Arc<ServerCtx>, port: u16, bind_addr: Ipv4Addr) {
let addr: SocketAddr = ([0, 0, 0, 0], port).into(); let addr: SocketAddr = (bind_addr, port).into();
let listener = match tokio::net::TcpListener::bind(addr).await { let listener = match tokio::net::TcpListener::bind(addr).await {
Ok(l) => l, Ok(l) => l,
Err(e) => { Err(e) => {
@@ -50,8 +50,13 @@ pub async fn start_proxy(ctx: Arc<ServerCtx>, port: u16) {
axum::serve(listener, app).await.unwrap(); axum::serve(listener, app).await.unwrap();
} }
pub async fn start_proxy_tls(ctx: Arc<ServerCtx>, port: u16, tls_config: Arc<ServerConfig>) { pub async fn start_proxy_tls(
let addr: SocketAddr = ([0, 0, 0, 0], port).into(); ctx: Arc<ServerCtx>,
port: u16,
bind_addr: Ipv4Addr,
tls_config: Arc<ServerConfig>,
) {
let addr: SocketAddr = (bind_addr, port).into();
let listener = match tokio::net::TcpListener::bind(addr).await { let listener = match tokio::net::TcpListener::bind(addr).await {
Ok(l) => l, Ok(l) => l,
Err(e) => { Err(e) => {
@@ -135,14 +140,17 @@ async fn proxy_handler(State(state): State<ProxyState>, req: Request) -> axum::r
} }
}; };
let (target_host, target_port) = { let request_path = req.uri().path().to_string();
let (target_host, target_port, rewritten_path) = {
let store = state.ctx.services.lock().unwrap(); let store = state.ctx.services.lock().unwrap();
if let Some(entry) = store.lookup(&service_name) { if let Some(entry) = store.lookup(&service_name) {
("localhost".to_string(), entry.target_port) let (port, path) = entry.resolve_route(&request_path);
("localhost".to_string(), port, path)
} else { } else {
let mut peers = state.ctx.lan_peers.lock().unwrap(); let mut peers = state.ctx.lan_peers.lock().unwrap();
match peers.lookup(&service_name) { match peers.lookup(&service_name) {
Some((ip, port)) => (ip.to_string(), port), Some((ip, port)) => (ip.to_string(), port, request_path.clone()),
None => { None => {
return ( return (
StatusCode::NOT_FOUND, StatusCode::NOT_FOUND,
@@ -268,13 +276,15 @@ pre .str {{ color: #d48a5a }}
} }
}; };
let path_and_query = req let query_string = req
.uri() .uri()
.path_and_query() .query()
.map(|pq| pq.as_str()) .map(|q| format!("?{}", q))
.unwrap_or("/"); .unwrap_or_default();
let target_uri: hyper::Uri = let target_uri: hyper::Uri = format!(
format!("http://{}:{}{}", target_host, target_port, path_and_query) "http://{}:{}{}{}",
target_host, target_port, rewritten_path, query_string
)
.parse() .parse()
.unwrap(); .unwrap();

View File

@@ -1,4 +1,4 @@
use std::collections::HashMap; use std::collections::{HashMap, HashSet};
use std::path::PathBuf; use std::path::PathBuf;
use log::{info, warn}; use log::{info, warn};
@@ -8,12 +8,56 @@ use serde::{Deserialize, Serialize};
pub struct ServiceEntry { pub struct ServiceEntry {
pub name: String, pub name: String,
pub target_port: u16, pub target_port: u16,
#[serde(default)]
pub routes: Vec<RouteEntry>,
}
#[derive(Clone, Serialize, Deserialize)]
pub struct RouteEntry {
pub path: String,
pub port: u16,
#[serde(default)]
pub strip: bool,
}
impl ServiceEntry {
/// Resolve backend port and (possibly rewritten) path for a request
pub fn resolve_route(&self, request_path: &str) -> (u16, String) {
// Longest prefix match
let matched = self
.routes
.iter()
.filter(|r| {
request_path == r.path
|| (request_path.starts_with(&r.path)
&& (r.path.ends_with('/')
|| request_path.as_bytes().get(r.path.len()) == Some(&b'/')))
})
.max_by_key(|r| r.path.len());
match matched {
Some(route) => {
let path = if route.strip {
let stripped = &request_path[route.path.len()..];
if stripped.is_empty() || !stripped.starts_with('/') {
format!("/{}", stripped.trim_start_matches('/'))
} else {
stripped.to_string()
}
} else {
request_path.to_string()
};
(route.port, path)
}
None => (self.target_port, request_path.to_string()),
}
}
} }
pub struct ServiceStore { pub struct ServiceStore {
entries: HashMap<String, ServiceEntry>, entries: HashMap<String, ServiceEntry>,
/// Services defined in numa.toml (not persisted to user file) /// Services defined in numa.toml (not persisted to user file)
config_services: std::collections::HashSet<String>, config_services: HashSet<String>,
persist_path: PathBuf, persist_path: PathBuf,
} }
@@ -28,13 +72,13 @@ impl ServiceStore {
let persist_path = dirs_path(); let persist_path = dirs_path();
ServiceStore { ServiceStore {
entries: HashMap::new(), entries: HashMap::new(),
config_services: std::collections::HashSet::new(), config_services: HashSet::new(),
persist_path, persist_path,
} }
} }
/// Insert a service from numa.toml config (not persisted) /// Insert a service from numa.toml config (not persisted)
pub fn insert_from_config(&mut self, name: &str, target_port: u16) { pub fn insert_from_config(&mut self, name: &str, target_port: u16, routes: Vec<RouteEntry>) {
let key = name.to_lowercase(); let key = name.to_lowercase();
self.config_services.insert(key.clone()); self.config_services.insert(key.clone());
self.entries.insert( self.entries.insert(
@@ -42,6 +86,7 @@ impl ServiceStore {
ServiceEntry { ServiceEntry {
name: key, name: key,
target_port, target_port,
routes,
}, },
); );
} }
@@ -54,11 +99,37 @@ impl ServiceStore {
ServiceEntry { ServiceEntry {
name: key, name: key,
target_port, target_port,
routes: Vec::new(),
}, },
); );
self.save(); self.save();
} }
pub fn add_route(&mut self, service: &str, path: String, port: u16, strip: bool) -> bool {
let key = service.to_lowercase();
if let Some(entry) = self.entries.get_mut(&key) {
entry.routes.retain(|r| r.path != path);
entry.routes.push(RouteEntry { path, port, strip });
self.save();
true
} else {
false
}
}
pub fn remove_route(&mut self, service: &str, path: &str) -> bool {
let key = service.to_lowercase();
if let Some(entry) = self.entries.get_mut(&key) {
let before = entry.routes.len();
entry.routes.retain(|r| r.path != path);
if entry.routes.len() < before {
self.save();
return true;
}
}
false
}
pub fn lookup(&self, name: &str) -> Option<&ServiceEntry> { pub fn lookup(&self, name: &str) -> Option<&ServiceEntry> {
self.entries.get(&name.to_lowercase()) self.entries.get(&name.to_lowercase())
} }
@@ -72,6 +143,11 @@ impl ServiceStore {
removed removed
} }
/// Names are always stored lowercased, so callers must pass lowercase keys.
pub fn is_config_service(&self, name: &str) -> bool {
self.config_services.contains(name)
}
pub fn list(&self) -> Vec<&ServiceEntry> { pub fn list(&self) -> Vec<&ServiceEntry> {
let mut entries: Vec<_> = self.entries.values().collect(); let mut entries: Vec<_> = self.entries.values().collect();
entries.sort_by(|a, b| a.name.cmp(&b.name)); entries.sort_by(|a, b| a.name.cmp(&b.name));
@@ -133,3 +209,157 @@ impl ServiceStore {
fn dirs_path() -> PathBuf { fn dirs_path() -> PathBuf {
crate::config_dir().join("services.json") crate::config_dir().join("services.json")
} }
#[cfg(test)]
mod tests {
use super::*;
use std::path::PathBuf;
fn entry(port: u16, routes: Vec<RouteEntry>) -> ServiceEntry {
ServiceEntry {
name: "app".into(),
target_port: port,
routes,
}
}
fn route(path: &str, port: u16, strip: bool) -> RouteEntry {
RouteEntry {
path: path.into(),
port,
strip,
}
}
fn test_store() -> ServiceStore {
ServiceStore {
entries: HashMap::new(),
config_services: HashSet::new(),
persist_path: PathBuf::from("/dev/null"),
}
}
// --- resolve_route ---
#[test]
fn no_routes_returns_default_port() {
let e = entry(3000, vec![]);
assert_eq!(e.resolve_route("/anything"), (3000, "/anything".into()));
}
#[test]
fn exact_match() {
let e = entry(3000, vec![route("/api", 4000, false)]);
assert_eq!(e.resolve_route("/api"), (4000, "/api".into()));
}
#[test]
fn prefix_match() {
let e = entry(3000, vec![route("/api", 4000, false)]);
assert_eq!(e.resolve_route("/api/users"), (4000, "/api/users".into()));
}
#[test]
fn segment_boundary_rejects_partial() {
let e = entry(3000, vec![route("/api", 4000, false)]);
// /apiary must NOT match /api — different segment
assert_eq!(e.resolve_route("/apiary"), (3000, "/apiary".into()));
}
#[test]
fn segment_boundary_rejects_apikey() {
let e = entry(3000, vec![route("/api", 4000, false)]);
assert_eq!(e.resolve_route("/apikey"), (3000, "/apikey".into()));
}
#[test]
fn longest_prefix_wins() {
let e = entry(
3000,
vec![route("/api", 4000, false), route("/api/v2", 5000, false)],
);
assert_eq!(
e.resolve_route("/api/v2/users"),
(5000, "/api/v2/users".into())
);
// shorter prefix still works for non-v2 paths
assert_eq!(
e.resolve_route("/api/v1/users"),
(4000, "/api/v1/users".into())
);
}
#[test]
fn strip_removes_prefix() {
let e = entry(3000, vec![route("/api", 4000, true)]);
assert_eq!(e.resolve_route("/api/users"), (4000, "/users".into()));
}
#[test]
fn strip_exact_path_gives_root() {
let e = entry(3000, vec![route("/api", 4000, true)]);
assert_eq!(e.resolve_route("/api"), (4000, "/".into()));
}
#[test]
fn trailing_slash_route_matches() {
let e = entry(3000, vec![route("/app/", 4000, false)]);
assert_eq!(
e.resolve_route("/app/dashboard"),
(4000, "/app/dashboard".into())
);
}
// --- ServiceStore: add_route / remove_route ---
#[test]
fn add_route_to_existing_service() {
let mut store = test_store();
store.insert_from_config("app", 3000, vec![]);
assert!(store.add_route("app", "/api".into(), 4000, false));
let entry = store.lookup("app").unwrap();
assert_eq!(entry.routes.len(), 1);
assert_eq!(entry.routes[0].path, "/api");
}
#[test]
fn add_route_to_missing_service_returns_false() {
let mut store = test_store();
assert!(!store.add_route("ghost", "/api".into(), 4000, false));
}
#[test]
fn add_route_deduplicates_by_path() {
let mut store = test_store();
store.insert_from_config("app", 3000, vec![]);
store.add_route("app", "/api".into(), 4000, false);
store.add_route("app", "/api".into(), 5000, true);
let entry = store.lookup("app").unwrap();
assert_eq!(entry.routes.len(), 1);
assert_eq!(entry.routes[0].port, 5000);
assert!(entry.routes[0].strip);
}
#[test]
fn remove_route_returns_true_when_found() {
let mut store = test_store();
store.insert_from_config("app", 3000, vec![route("/api", 4000, false)]);
assert!(store.remove_route("app", "/api"));
assert!(store.lookup("app").unwrap().routes.is_empty());
}
#[test]
fn remove_route_returns_false_when_missing() {
let mut store = test_store();
store.insert_from_config("app", 3000, vec![]);
assert!(!store.remove_route("app", "/nope"));
}
#[test]
fn lookup_is_case_insensitive() {
let mut store = test_store();
store.insert_from_config("MyApp", 3000, vec![]);
assert!(store.lookup("myapp").is_some());
assert!(store.lookup("MYAPP").is_some());
}
}