1 files changed, 11 insertions, 0 deletions
diff --git a/deps/cares/src/ares_getnameinfo.c b/deps/cares/src/ares_getnameinfo.c
index c77b1f8153..aa08941706 100644
--- a/deps/cares/src/ares_getnameinfo.c
+++ b/deps/cares/src/ares_getnameinfo.c
@@ -440,3 +440,14 @@ STATIC_TESTABLE char *ares_striendstr(const char *s1, const char *s2)
     }
   return (char *)c1_begin;
 }
+
+int ares__is_onion_domain(const char *name)
+{
+  if (ares_striendstr(name, ".onion"))
+    return 1;
+
+  if (ares_striendstr(name, ".onion."))
+    return 1;
+
+  return 0;
+}