update curl and fix memory error with websockets

client/javascript/websocket.js

@@ -111,14 +111,12 @@ class CurlWebSocket extends CurlSession {
   }
 
   cleanup(error=0) {
-    if (this.http_handle) {
-      this.remove_request(this.http_handle);
-      this.http_handle = null;
-      super.close();
-    }
-    else return;
-
-    clearInterval(this.recv_loop);
+    if (!this.connected)
+      return;
+    if (this.recv_loop) 
+      clearInterval(this.recv_loop);
+    
+    super.close();
     this.connected = false;
 
     if (error) {

client/libcurl/websocket.c

@@ -18,9 +18,17 @@ struct WSResult* recv_from_websocket(CURL* http_handle, int buffer_size) {
   result->buffer_size = result_len;
   result->buffer = buffer;
   result->res = (int) res;
-  result->closed = (ws_meta->flags & CURLWS_CLOSE);
-  result->is_text = (ws_meta->flags & CURLWS_TEXT);
-  result->bytes_left = ws_meta->bytesleft;
+  //ws_meta will be null if the recv is not successful, so don't try reading it otherwise
+  if (res == CURLE_OK) {
+    result->closed = (ws_meta->flags & CURLWS_CLOSE);
+    result->is_text = (ws_meta->flags & CURLWS_TEXT);
+    result->bytes_left = ws_meta->bytesleft;
+  }
+  else {
+    result->closed = -1;
+    result->is_text = -1;
+    result->bytes_left = -1;
+  }
   return result;
 }
 

client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "libcurl.js",
-  "version": "0.6.22",
+  "version": "0.7.0",
   "description": "A port of libcurl to WebAssembly, for proxying HTTPS requests from the browser with full TLS encryption",
   "main": "libcurl.mjs",
   "exports": {

client/tools/curl.sh

@@ -14,7 +14,7 @@ NGHTTP2_PREFIX=$(realpath build/nghttp2-wasm)
 
 cd build
 rm -rf curl
-git clone -b curl-8_10_1 --depth=1 https://github.com/curl/curl
+git clone -b curl-8_11_1 --depth=1 https://github.com/curl/curl
 cd curl
 
 autoreconf -fi