From 4c46dc8485edf7771f4cf79ae4c58526d5294366 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20W=C4=85=C5=BC?= <kamil@kamilwaz.com>
Date: Fri, 23 Jan 2026 09:11:58 +0100
Subject: [PATCH] Add channel bindings to features

---
 src/escalus_session.erl | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/escalus_session.erl b/src/escalus_session.erl
index c4200ee..8c3d939 100644
--- a/src/escalus_session.erl
+++ b/src/escalus_session.erl
@@ -306,6 +306,7 @@ get_stream_features(Features) ->
      {advanced_message_processing, get_advanced_message_processing(Features)},
      {client_state_indication, get_client_state_indication(Features)},
      {sasl_mechanisms, get_sasl_mechanisms(Features)},
+     {sasl_channel_bindings, get_sasl_channel_bindings(Features)},
      {caps, get_server_caps(Features)}].
 
 -spec get_compression(exml:element()) -> boolean().
@@ -335,7 +336,14 @@ get_client_state_indication(Features) ->
 -spec get_sasl_mechanisms(exml:element()) -> [exml:element() | binary()].
 get_sasl_mechanisms(Features) ->
     exml_query:paths(Features, [{element, <<"mechanisms">>},
-                                {element, <<"mechanism">>}, cdata]).
+                                {element, <<"mechanism">>},
+                                cdata]).
+
+-spec get_sasl_channel_bindings(exml:element()) -> [exml:element() | binary()].
+get_sasl_channel_bindings(Features) ->
+    exml_query:paths(Features, [{element, <<"sasl-channel-binding">>},
+                                {element, <<"channel-binding">>},
+                                {attr, <<"type">>}]).
 
 -spec get_server_caps(exml:element()) -> undefined | map().
 get_server_caps(Features) ->