server: send error response on invalid AUTH initial response

emersion · Feb 21, 2024 · 33fe6a6 · 33fe6a6
1 parent 65c0260
commit 33fe6a6
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/conn.go b/conn.go
@@ -781,6 +781,7 @@ func (c *Conn) handleAuth(arg string) {
 		var err error
 		ir, err = base64.StdEncoding.DecodeString(parts[1])
 		if err != nil {
+			c.writeResponse(454, EnhancedCode{4, 7, 0}, "Invalid base64 data")
 			return
 		}
 	}