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-rw-r--r--lib/gnutls_extensions.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/gnutls_extensions.c b/lib/gnutls_extensions.c
index 76624a21d6..38c4f9163c 100644
--- a/lib/gnutls_extensions.c
+++ b/lib/gnutls_extensions.c
@@ -174,8 +174,6 @@ _gnutls_parse_extensions(gnutls_session_t session,
gnutls_assert();
return ret;
}
- } else {
- _gnutls_extension_list_add(session, type);
}
DECR_LENGTH_RET(next, 2, 0);
@@ -195,6 +193,11 @@ _gnutls_parse_extensions(gnutls_session_t session,
continue;
}
+ /* only store the extension number if we support it */
+ if (session->security_parameters.entity == GNUTLS_SERVER) {
+ _gnutls_extension_list_add(session, type);
+ }
+
_gnutls_handshake_log
("EXT[%p]: Parsing extension '%s/%d' (%d bytes)\n",
session, _gnutls_extension_get_name(type), type,
@@ -213,8 +216,11 @@ _gnutls_parse_extensions(gnutls_session_t session,
}
/* Adds the extension we want to send in the extensions list.
- * This list is used to check whether the (later) received
+ * This list is used in client side to check whether the (later) received
* extensions are the ones we requested.
+ *
+ * In server side, this list is used to ensure we don't send
+ * extensions that we didn't receive a corresponding value.
*/
void _gnutls_extension_list_add(gnutls_session_t session, uint16_t type)
{