Properly compute the padding length for local DoH

Fixes #1173
2020-01-31 10:00:07 +01:00 · 2020-01-31 10:00:07 +01:00 · cf1498c9f4
parent d14d2b613a
commit cf1498c9f4
1 changed files with 1 additions and 1 deletions
--- a/dnscrypt-proxy/local-doh.go
+++ b/dnscrypt-proxy/local-doh.go
@ -59,7 +59,7 @@ func (handler localDoHHandler) ServeHTTP(writer http.ResponseWriter, request *ht
 	}
 	responseLen := len(response)
 	paddedLen := dohPaddedLen(responseLen)
-	padLen := responseLen - paddedLen
+	padLen := paddedLen - responseLen
 	paddedResponse, err := addEDNS0PaddingIfNoneFound(&msg, response, padLen)
 	if err != nil {
 		return