From 862c21f845b08ad18bc7c4c4629771df19d219fd Mon Sep 17 00:00:00 2001
From: Martin Dosch <martin@mdosch.de>
Date: Tue, 26 Mar 2024 21:34:51 +0100
Subject: [PATCH] Make XEP-0474 configurable (default off).

As it is still experimental we should not enable it per default.
---
 xmpp.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/xmpp.go b/xmpp.go
index 0c287dc..2ac0a09 100644
--- a/xmpp.go
+++ b/xmpp.go
@@ -230,6 +230,9 @@ type Options struct {
 
 	// Auth mechanism to use
 	Mechanism string
+
+	// XEP-0474: SASL SCRAM Downgrade Protection
+	SSDP bool
 }
 
 // NewClient establishes a new Client connection based on a set of Options.
@@ -582,7 +585,7 @@ func (c *Client) init(o *Options) error {
 					if err != nil {
 						return err
 					}
-				case strings.HasPrefix(serverReply, "d="):
+				case strings.HasPrefix(serverReply, "d=") && o.SSDP:
 					serverDgProtectHash := strings.SplitN(serverReply, "=", 2)[1]
 					slices.Sort(f.Mechanisms.Mechanism)
 					for _, mech := range f.Mechanisms.Mechanism {