Clear struct sptps before reusing it.

diff --git a/src/protocol_key.c b/src/protocol_key.c
index bbe0239df781379dcb028db0fac6b06869648591..48ba204861661e43e1815597b77b858b9a1cf2b8 100644 (file)
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -114,6 +114,8 @@ bool send_req_key(node_t *to) {
                }
                 char label[25 + strlen(myself->name) + strlen(to->name)];
                snprintf(label, sizeof label, "tinc UDP key expansion %s %s", myself->name, to->name);
+               sptps_stop(&to->sptps);
+               to->status.validkey = false;
                return sptps_start(&to->sptps, to, true, true, myself->connection->ecdsa, to->ecdsa, label, sizeof label, send_initial_sptps_data, receive_sptps_record); 
        }
 
@@ -167,6 +169,8 @@ static bool req_key_ext_h(connection_t *c, const char *request, node_t *from, in
 
                        char label[25 + strlen(from->name) + strlen(myself->name)];
                        snprintf(label, sizeof label, "tinc UDP key expansion %s %s", from->name, myself->name);
+                       sptps_stop(&from->sptps);
+                       from->status.validkey = false;
                        sptps_start(&from->sptps, from, false, true, myself->connection->ecdsa, from->ecdsa, label, sizeof label, send_sptps_data, receive_sptps_record); 
                        sptps_receive_data(&from->sptps, buf, len);
                        return true;