1 files changed, 13 insertions, 3 deletions

diff --git a/src/microhttpd/basicauth.c b/src/microhttpd/basicauth.c
index 0d1309f2..24bafc31 100644
--- a/src/microhttpd/basicauth.c
+++ b/src/microhttpd/basicauth.c
@@ -119,15 +119,25 @@ MHD_queue_basic_auth_fail_response (struct MHD_Connection *connection,
 {
   int ret;
   size_t hlen = strlen(realm) + strlen("Basic realm=\"\"") + 1;
-  char header[hlen];
-
+  char *header;
+  
+  header = (char*)malloc(hlen);
+  if (NULL == header)
+  {
+#if HAVE_MESSAGES
+    MHD_DLOG(connection->daemon,
+                   "Failed to allocate memory for auth header\n");
+#endif /* HAVE_MESSAGES */
+    return MHD_NO;
+  }
   MHD_snprintf_ (header, 
-            sizeof (header), 
+            hlen, 
             "Basic realm=\"%s\"", 
             realm);
   ret = MHD_add_response_header (response,
                                  MHD_HTTP_HEADER_WWW_AUTHENTICATE,
                                  header);
+  free(header);
   if (MHD_YES == ret)
     ret = MHD_queue_response (connection, 
                               MHD_HTTP_UNAUTHORIZED,