Add easy knobs to disable security checks

native/src/core/Cargo.toml

@@ -8,8 +8,12 @@ crate-type = ["staticlib"]
 path = "lib.rs"
 
 [features]
-default = ["check-signature"]
+default = ["check-signature", "check-client", "su-check-db"]
+
+# Disable these features for easier debugging during development
 check-signature = []
+check-client = []
+su-check-db = []
 
 [build-dependencies]
 cxx-gen = { workspace = true }

native/src/core/daemon.rs

@@ -161,6 +161,7 @@ impl MagiskD {
         .ok();
     }
 
+    #[cfg(feature = "check-client")]
     fn is_client(&self, pid: i32) -> bool {
         let mut buf = cstr::buf::new::<32>();
         write!(buf, "/proc/{pid}/exe").ok();
@@ -171,6 +172,11 @@ impl MagiskD {
         }
     }
 
+    #[cfg(not(feature = "check-client"))]
+    fn is_client(&self, pid: i32) -> bool {
+        true
+    }
+
     fn handle_requests(&'static self, mut client: UnixStream) {
         let Ok(cred) = client.peer_cred() else {
             // Client died

native/src/core/su/daemon.rs

@@ -212,6 +212,7 @@ impl MagiskD {
         info
     }
 
+    #[cfg(feature = "su-check-db")]
     fn build_su_info(&self, uid: i32) -> Arc<SuInfo> {
         let result: LoggedResult<Arc<SuInfo>> = try {
             let cfg = self.get_db_settings()?;
@@ -283,4 +284,9 @@ impl MagiskD {
 
         result.unwrap_or(Arc::new(SuInfo::deny(uid)))
     }
+
+    #[cfg(not(feature = "su-check-db"))]
+    fn build_su_info(&self, uid: i32) -> Arc<SuInfo> {
+        Arc::new(SuInfo::allow(uid))
+    }
 }