[verified] fix(hs): redact onion in publish logs; cache 0700

wait_until_published now logs HsId via safelog, not the locator.
Store and client_config mkdir Arti cache/state 0700. Arti
dangerously_trust_everyone stays on storage only.

src/hs.rs

@@ -1,5 +1,6 @@
 //! In-process Arti onion-service helpers (no C-tor).
 
+use std::os::unix::fs::PermissionsExt;
 use std::sync::Arc;
 use std::time::{Duration, Instant};
 
@@ -8,7 +9,7 @@ use arti_client::{TorClient, TorClientConfig};
 use futures::StreamExt;
 use safelog::DisplayRedacted;
 use tor_hsservice::status::State;
-use tor_hsservice::{HsNickname, OnionServiceConfig, RunningOnionService};
+use tor_hsservice::{HsId, HsNickname, OnionServiceConfig, RunningOnionService};
 use tor_rtcompat::PreferredRuntime;
 
 pub const HS_PORT: u16 = 80;
@@ -28,9 +29,24 @@ const PROBE_TIMEOUT: Duration = Duration::from_secs(12);
 
 pub type Client = Arc<TorClient<PreferredRuntime>>;
 
+fn mkdir_700(path: &std::path::Path) {
+    std::fs::create_dir_all(path).expect("mkdir");
+    let mut perms = std::fs::metadata(path).expect("metadata").permissions();
+    perms.set_mode(0o700);
+    std::fs::set_permissions(path, perms).expect("chmod 0700");
+}
+
+/// Status/probe log label: safelog-redacted v3 onion, never the locator.
+pub fn log_label(onion: &str) -> String {
+    match onion.parse::<HsId>() {
+        Ok(id) => id.display_redacted().to_string(),
+        Err(_) => safelog::sensitive(onion).to_string(),
+    }
+}
+
 pub fn client_config(state_dir: &std::path::Path, cache_dir: &std::path::Path) -> TorClientConfig {
-    std::fs::create_dir_all(state_dir).expect("state dir");
+    mkdir_700(state_dir);
-    std::fs::create_dir_all(cache_dir).expect("cache dir");
+    mkdir_700(cache_dir);
     let mut builder = TorClientConfigBuilder::from_directories(state_dir, cache_dir);
     builder.storage().permissions().dangerously_trust_everyone();
     builder
@@ -84,8 +100,8 @@ pub async fn wait_until_published(
     client: &Client,
     svc: &RunningOnionService,
     onion: &str,
-    label: &str,
 ) -> Result<(), String> {
+    let label = log_label(onion);
     let deadline = Instant::now() + PUBLISH_WAIT;
     let mut events = svc.status_events();
     let mut next_probe = Instant::now() + PROBE_EVERY;

src/node.rs

@@ -92,7 +92,7 @@ impl Node {
             _svc: Arc::clone(&svc),
             rend,
         });
-        hs::wait_until_published(&node.client, &svc, &onion, &onion).await?;
+        hs::wait_until_published(&node.client, &svc, &onion).await?;
         node.store
             .lock()
             .map_err(|e| e.to_string())?
@@ -444,7 +444,7 @@ impl Node {
             _svc: Arc::clone(&svc),
             rend,
         });
-        hs::wait_until_published(&self.client, &svc, &onion, &onion).await?;
+        hs::wait_until_published(&self.client, &svc, &onion).await?;
         {
             let store = self.store.lock().map_err(|e| e.to_string())?;
             store.set_onion(&onion).map_err(|e| e.to_string())?;

src/store.rs

@@ -117,6 +117,7 @@ impl Store {
         }
         mkdir_700(home)?;
         mkdir_700(&home.join("arti"))?;
+        mkdir_700(&home.join("cache"))?;
         let db_path = home.join("onionwire.db");
         let conn = Connection::open(&db_path)?;
         let journal: String = conn.query_row("PRAGMA journal_mode = WAL", [], |row| row.get(0))?;

tests/hs.rs

@@ -1,5 +1,6 @@
 //! HS publish wait and CBT floor — 180s fail-closed cuts a working HsDir upload.
 
+use std::os::unix::fs::PermissionsExt;
 use std::time::Duration;
 
 use onionwire::hs;
@@ -67,3 +68,30 @@ fn broken_or_shutdown_never_ready() {
     assert!(!hs::hs_is_ready(State::Broken, true));
     assert!(!hs::hs_is_ready(State::Shutdown, true));
 }
+
+#[test]
+fn hs_log_label_is_not_the_full_v3_onion() {
+    // Public v3 address; checksum is valid so HsId::from_str works.
+    let onion = "facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion";
+    let label = hs::log_label(onion);
+    assert_ne!(label, onion, "status/probe logs must not use the locator");
+    assert!(
+        !label.contains("facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd"),
+        "log label leaked the onion body: {label}"
+    );
+    assert!(
+        label.contains('…') || label.contains("[scrubbed]"),
+        "expected safelog redaction, got {label}"
+    );
+}
+
+#[test]
+fn client_config_mkdirs_state_and_cache_0700() {
+    let root = tempfile::tempdir().expect("tempdir");
+    let state = root.path().join("arti");
+    let cache = root.path().join("cache");
+    let _cfg = hs::client_config(&state, &cache);
+    let mode = |p: &std::path::Path| std::fs::metadata(p).unwrap().permissions().mode() & 0o777;
+    assert_eq!(mode(&state), 0o700);
+    assert_eq!(mode(&cache), 0o700);
+}

tests/store.rs

@@ -55,11 +55,14 @@ fn first_run_creates_0700_dirs_and_self_row() {
     let store = Store::open().expect("open");
 
     let arti = home.path().join("arti");
+    let cache = home.path().join("cache");
     let db = home.path().join("onionwire.db");
     assert!(arti.is_dir(), "arti dir");
+    assert!(cache.is_dir(), "cache dir");
     assert!(db.is_file(), "onionwire.db");
     assert_eq!(mode(home.path()), 0o700);
     assert_eq!(mode(&arti), 0o700);
+    assert_eq!(mode(&cache), 0o700);
 
     let me = store.self_identity().expect("self");
     assert_eq!(me.identity_pk.len(), 32);

tests/tor_hs.rs

@@ -124,10 +124,10 @@ async fn two_node_byte_pipe_restart_and_dormant() {
     eprintln!("bob onion={bob_onion}");
     assert_ne!(alice_onion, bob_onion, "separate HS identities");
 
-    hs::wait_until_published(&alice, &alice_svc, &alice_onion, "alice")
+    hs::wait_until_published(&alice, &alice_svc, &alice_onion)
         .await
         .expect("alice publish");
-    hs::wait_until_published(&bob, &bob_svc, &bob_onion, "bob")
+    hs::wait_until_published(&bob, &bob_svc, &bob_onion)
         .await
         .expect("bob publish");