Add daemon response code

jni/daemon/daemon.c

@@ -32,6 +32,27 @@ static void *request_handler(void *args) {
 	int client = *((int *) args);
 	free(args);
 	client_request req = read_int(client);
+
+	struct ucred credentials;
+	get_client_cred(client, &credentials);
+
+	switch (req) {
+	case LAUNCH_MAGISKHIDE:
+	case STOP_MAGISKHIDE:
+	case ADD_HIDELIST:
+	case RM_HIDELIST:
+	case POST_FS:
+	case POST_FS_DATA:
+	case LATE_START:
+		if (credentials.uid != 0) {
+			write_int(client, ROOT_REQUIRED);
+			close(client);
+			return NULL;
+		}
+	default:
+		break;
+	}
+
 	switch (req) {
 	case LAUNCH_MAGISKHIDE:
 		launch_magiskhide(client);
@@ -65,9 +86,8 @@ static void *request_handler(void *args) {
 	case LATE_START:
 		late_start(client);
 		break;
-	case TEST:
-		// test(client);
-		break;
+	default:
+		close(client);
 	}
 	return NULL;
 }

jni/daemon/daemon.h

@@ -10,6 +10,7 @@ extern pthread_t sepol_patch;
 
 // Commands require connecting to daemon
 typedef enum {
+	DO_NOTHING = 0,
 	LAUNCH_MAGISKHIDE,
 	STOP_MAGISKHIDE,
 	ADD_HIDELIST,
@@ -23,6 +24,17 @@ typedef enum {
 	TEST
 } client_request;
 
+// Return codes for daemon
+typedef enum {
+	DAEMON_ERROR = -1,
+	DAEMON_SUCCESS = 0,
+	ROOT_REQUIRED,
+	HIDE_IS_ENABLED,
+	HIDE_NOT_ENABLED,
+	HIDE_ITEM_EXIST,
+	HIDE_ITEM_NOT_EXIST,
+} daemon_response;
+
 // daemon.c
 
 void start_daemon();