Try handling the case when the first side knows the ecdsa key of

[tinc] / src / protocol_auth.c

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index be90d92..5782a97 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -381,11 +381,11 @@ bool id_h(connection_t *c, const char *request) {
                if(experimental)
                        read_ecdsa_public_key(c);
                        /* Ignore failures if no key known yet */
-       } else {
-               if(c->protocol_minor && !ecdsa_active(c->ecdsa))
-                       c->protocol_minor = 1;
        }
 
+       if(c->protocol_minor && !ecdsa_active(c->ecdsa))
+               c->protocol_minor = 1;
+
        /* Forbid version rollback for nodes whose Ed25519 key we know */
 
        if(ecdsa_active(c->ecdsa) && c->protocol_minor < 2) {