DLLFUNC CMD_FUNC(m_starttls)
{
if (!MyConnect(sptr) || !IsUnknown(sptr))
return 0;
#ifndef USE_SSL
/* sendnotice(sptr, "This server does not support SSL"); */
/* or numeric 691? */
/* actually... it's probably best to just act like we don't know this command...? */
sendto_one(sptr, err_str(ERR_NOTREGISTERED), me.name, "STARTTLS");
return 0;
#else
if (iConf.ssl_options & SSLFLAG_NOSTARTTLS)
{
sendto_one(sptr, err_str(ERR_NOTREGISTERED), me.name, "STARTTLS");
return 0;
}
if (IsSecure(sptr))
{
sendto_one(sptr, err_str(ERR_STARTTLS), me.name, !BadPtr(sptr->name) ? sptr->name : "*", "STARTTLS failed. Already using TLS.");
return 0;
}
dbuf_delete(&sptr->recvQ, 1000000); /* Clear up any remaining plaintext commands */
sendto_one(sptr, rpl_str(RPL_STARTTLS), me.name, !BadPtr(sptr->name) ? sptr->name : "*");
send_queued(sptr);
SetSSLStartTLSHandshake(sptr);
Debug((DEBUG_DEBUG, "Starting SSL handshake (due to STARTTLS) for %s", sptr->sockhost));
if ((sptr->ssl = SSL_new(ctx_server)) == NULL)
goto fail;
sptr->flags |= FLAGS_SSL;
SSL_set_fd(sptr->ssl, sptr->fd);
SSL_set_nonblocking(sptr->ssl);
if (!ircd_SSL_accept(sptr, sptr->fd)) {
Debug((DEBUG_DEBUG, "Failed SSL accept handshake in instance 1: %s", sptr->sockhost));
SSL_set_shutdown(sptr->ssl, SSL_RECEIVED_SHUTDOWN);
SSL_smart_shutdown(sptr->ssl);
SSL_free(sptr->ssl);
goto fail;
}
/* HANDSHAKE IN PROGRESS */
return 0;
fail:
/* Failure */
sendto_one(sptr, err_str(ERR_STARTTLS), me.name, !BadPtr(sptr->name) ? sptr->name : "*", "STARTTLS failed");
sptr->ssl = NULL;
sptr->flags &= ~FLAGS_SSL;
SetUnknown(sptr);
return 0;
#endif
}
void conn_destroy(Connection *conn)
{
int ret;
if (conn == NULL)
return;
/* No locking done here. conn_destroy should not be called
* if any thread might still be interested in the connection. */
if (conn->registered) {
fdset_unregister(conn->registered, conn->fd);
/* call data destroyer if any */
if (conn->callback_data != NULL && conn->callback_data_destroyer != NULL)
conn->callback_data_destroyer(conn->callback_data);
}
if (conn->fd >= 0) {
/* Try to flush any remaining data */
unlocked_try_write(conn);
#ifdef HAVE_LIBSSL
if (conn->ssl != NULL) {
SSL_smart_shutdown(conn->ssl);
SSL_free(conn->ssl);
if (conn->peer_certificate != NULL)
X509_free(conn->peer_certificate);
}
#endif /* HAVE_LIBSSL */
ret = close(conn->fd);
if (ret < 0)
error(errno, "conn_destroy: error on close");
conn->fd = -1;
}
octstr_destroy(conn->outbuf);
octstr_destroy(conn->inbuf);
mutex_destroy(conn->inlock);
mutex_destroy(conn->outlock);
gw_free(conn);
}