libmicrohttpd

commit 8629a47f831d7b6b56300039035c188fb6eaa65e
parent cec5aed907524f47ee06ebc4f9704441df5d1023
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Wed,  8 Nov 2023 16:39:58 +0300

Upgraded connection: added missing check

Diffstat:
M
src/microhttpd/response.c
 | 
9
+++++++++

1 file changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/microhttpd/response.c b/src/microhttpd/response.c
@@ -1953,6 +1953,15 @@ MHD_response_execute_upgrade_ (struct MHD_Response *response,
                                            MHD_STATICSTR_LEN_ ( \
                                              MHD_HTTP_HEADER_UPGRADE)));
 
+  if (! connection->sk_nonblck)
+  {
+#ifdef HAVE_MESSAGES
+    MHD_DLOG (daemon,
+              _ ("Cannot execute \"upgrade\" as the socket is in " \
+                 "the blocking mode.\n"));
+#endif
+    return MHD_NO;
+  }
   urh = MHD_calloc_ (1, sizeof (struct MHD_UpgradeResponseHandle));
   if (NULL == urh)
     return MHD_NO;