tls: Add l_tls_get_session_resumed

4 files changed, 13 insertions, 0 deletions

diff --git a/ell/ell.sym b/ell/ell.sym
index 6c836e1c..4d8596e0 100644
--- a/ell/ell.sym
+++ b/ell/ell.sym
@@ -519,6 +519,7 @@ global:
 	l_tls_set_version_range;
 	l_tls_set_domain_mask;
 	l_tls_set_session_cache;
+	l_tls_get_session_resumed;
 	l_tls_alert_to_str;
 	l_tls_set_debug;
 	l_tls_set_cert_dump_path;
diff --git a/ell/tls-private.h b/ell/tls-private.h
index 6a9bd29c..46889ad8 100644
--- a/ell/tls-private.h
+++ b/ell/tls-private.h
@@ -266,6 +266,7 @@ struct l_tls {
 	uint8_t session_cipher_suite_id[2];
 	uint8_t session_compression_method_id;
 	char *session_peer_identity;
+	bool session_resumed;
 
 	struct {
 		bool secure_renegotiation;
diff --git a/ell/tls.c b/ell/tls.c
index d3637658..72ff4d77 100644
--- a/ell/tls.c
+++ b/ell/tls.c
@@ -213,6 +213,7 @@ static void tls_reset_handshake(struct l_tls *tls)
 	tls->session_id_size_replaced = 0;
 	tls->session_id_new = false;
 	l_free(l_steal_ptr(tls->session_peer_identity));
+	tls->session_resumed = false;
 }
 
 static void tls_cleanup_handshake(struct l_tls *tls)
@@ -3058,6 +3059,7 @@ static void tls_finished(struct l_tls *tls)
 
 	TLS_SET_STATE(TLS_HANDSHAKE_DONE);
 	tls->ready = true;
+	tls->session_resumed = resuming;
 
 	if (session_update && tls->session_update_cb) {
 		tls->in_callback = true;
@@ -3841,6 +3843,14 @@ LIB_EXPORT void l_tls_set_session_cache(struct l_tls *tls,
 	tls->session_prefix = l_strdup(group_prefix);
 }
 
+LIB_EXPORT bool l_tls_get_session_resumed(struct l_tls *tls)
+{
+	if (unlikely(!tls || !tls->ready))
+		return false;
+
+	return tls->session_resumed;
+}
+
 LIB_EXPORT const char *l_tls_alert_to_str(enum l_tls_alert_desc desc)
 {
 	switch (desc) {
diff --git a/ell/tls.h b/ell/tls.h
index e688c7c4..6964380a 100644
--- a/ell/tls.h
+++ b/ell/tls.h
@@ -134,6 +134,7 @@ void l_tls_set_session_cache(struct l_tls *tls, struct l_settings *settings,
 				unsigned int max_sessions,
 				l_tls_session_update_cb_t update_cb,
 				void *user_data);
+bool l_tls_get_session_resumed(struct l_tls *tls);
 
 const char *l_tls_alert_to_str(enum l_tls_alert_desc desc);