From 1abf17d1d516cab27fe5610c7e228621b8407809 Mon Sep 17 00:00:00 2001
From: yoloyyh <1764163852@qq.com>
Date: Wed, 11 Oct 2023 15:38:40 +0800
Subject: [PATCH] fix mount repeat failed and nodejs cannot block

---
 rasp/NSMount/main.cpp   | 2 +-
 rasp/node/src/schema.js | 2 +-
 rasp/node/src/smith.js  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/rasp/NSMount/main.cpp b/rasp/NSMount/main.cpp
index 49d611455..41bb6fb0b 100644
--- a/rasp/NSMount/main.cpp
+++ b/rasp/NSMount/main.cpp
@@ -74,7 +74,7 @@ int main(int argc, char *argv[]) {
 
     if (std::filesystem::exists(dst, ec)) {
         LOG_WARNING("directory %s already exists", dst.u8string().c_str());
-        return -1;
+        return 0;
     }
 
     LOG_INFO("bind %s -> %s", src.u8string().c_str(), dst.u8string().c_str());
diff --git a/rasp/node/src/schema.js b/rasp/node/src/schema.js
index 4f35e79b4..237a84779 100644
--- a/rasp/node/src/schema.js
+++ b/rasp/node/src/schema.js
@@ -78,7 +78,7 @@ const blockSchema = {
                         }
                     }
                 },
-                required: ['policy_id', 'class_id', 'method_id', 'rules', 'stack_frame']
+                required: ['class_id', 'method_id', 'rules']
             }
         }
     },
diff --git a/rasp/node/src/smith.js b/rasp/node/src/smith.js
index 5fcb73d21..41edc3579 100644
--- a/rasp/node/src/smith.js
+++ b/rasp/node/src/smith.js
@@ -142,7 +142,7 @@ function smithHook(func, classID, methodID, canBlock = false, processors = {}) {
                 if (policy.rules.length > 0 && !policy.rules.some(pred))
                     return false;
 
-                if (policy.stack_frame === null) {
+                if (!policy.stack_frame) {
                     smithTrace.blocked = true;
                     smithTrace.policy_id = policy.policy_id;
                     return true;