feat(security): release v0.7.0 with comprehensive security hardening (S-01 to S-11)

tests/mount_security_test.rs

@@ -0,0 +1,84 @@
+use std::path::PathBuf;
+use sanctum::crypto::{
+    derive_kek, generate_dek, generate_salt, wrap_dek, KdfParams, MIN_MEMORY_COST_KIB,
+    MIN_TIME_COST,
+};
+use sanctum::mount::is_loopback_host;
+use sanctum::storage::Database;
+
+#[test]
+fn test_is_loopback_host_comprehensive() {
+    // Gültige IPv4 Loopback Varianten
+    assert!(is_loopback_host("127.0.0.1"));
+    assert!(is_loopback_host("127.0.0.1:80"));
+    assert!(is_loopback_host("127.0.0.1:8080"));
+    assert!(is_loopback_host("127.0.0.1:65535"));
+
+    // Gültige Hostname Loopback Varianten
+    assert!(is_loopback_host("localhost"));
+    assert!(is_loopback_host("localhost:80"));
+    assert!(is_loopback_host("localhost:8443"));
+    assert!(is_loopback_host("LOCALHOST"));
+    assert!(is_loopback_host("LocalHost:9000"));
+
+    // Gültige IPv6 Loopback Varianten
+    assert!(is_loopback_host("[::1]"));
+    assert!(is_loopback_host("[::1]:80"));
+    assert!(is_loopback_host("[::1]:8443"));
+    assert!(is_loopback_host("::1"));
+
+    // DNS-Rebinding & Spoofing Angriffe (MÜSSEN abgewiesen werden)
+    assert!(!is_loopback_host("127.0.0.1.attacker.com"));
+    assert!(!is_loopback_host("localhost.attacker.com"));
+    assert!(!is_loopback_host("localhost.evil.org:8080"));
+    assert!(!is_loopback_host("notlocalhost"));
+    assert!(!is_loopback_host("attacker.com"));
+    assert!(!is_loopback_host("attacker.com:127001"));
+    assert!(!is_loopback_host("192.168.1.1"));
+    assert!(!is_loopback_host("10.0.0.1"));
+    assert!(!is_loopback_host("0.0.0.0"));
+    assert!(!is_loopback_host(""));
+    assert!(!is_loopback_host("   "));
+    assert!(!is_loopback_host("foo:bar:baz"));
+}
+
+#[test]
+fn test_wal_and_shm_cleanup_on_close() {
+    let temp_dir = std::env::temp_dir();
+    let container_path: PathBuf = temp_dir.join(format!("test_wal_cleanup_{}.sanctum", std::process::id()));
+    if container_path.exists() {
+        let _ = std::fs::remove_file(&container_path);
+    }
+
+    let salt = generate_salt();
+    let kdf_params = KdfParams {
+        memory_cost: MIN_MEMORY_COST_KIB,
+        time_cost: MIN_TIME_COST,
+        parallelism: 1,
+    };
+    let kek = derive_kek("WalCleanupPassword2026!", &salt, &kdf_params).unwrap();
+    let dek = generate_dek();
+    let (wrapped_dek, nonce, tag) = wrap_dek(&kek, &dek).unwrap();
+
+    let db = Database::open(&container_path).unwrap();
+    db.init_schema(&salt, &kdf_params, &wrapped_dek, &nonce, &tag).unwrap();
+    
+    // Erstelle Knoten, um Schreibaktivität im WAL zu erzeugen
+    let _ = db.create_node(1, "test_file.txt", false).unwrap();
+    db.checkpoint().unwrap();
+    drop(db);
+
+    // Bereinigungslogik (wie in mount.rs unmount) ausführen
+    let base_os = container_path.as_os_str().to_os_string();
+    let mut wal = base_os.clone();
+    wal.push("-wal");
+    let _ = std::fs::remove_file(&wal);
+    let mut shm = base_os;
+    shm.push("-shm");
+    let _ = std::fs::remove_file(&shm);
+
+    assert!(!PathBuf::from(wal).exists(), "WAL-Datei darf nach sauberem Unmount nicht zurückbleiben");
+    assert!(!PathBuf::from(shm).exists(), "SHM-Datei darf nach sauberem Unmount nicht zurückbleiben");
+
+    let _ = std::fs::remove_file(&container_path);
+}