diff options
| -rw-r--r-- | src/login/logind-dbus.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index dbe8cae60..e1476c9db 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -690,8 +690,19 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus } manager_get_session_by_pid(m, leader, &session); - if (!session && vtnr > 0 && vtnr < m->seat0->position_count) + if (!session && vtnr > 0 && vtnr < m->seat0->position_count) { session = m->seat0->positions[vtnr]; + /* + * Old gdm and lightdm start the user-session on the same VT as + * the greeter session. But they destroy the greeter session + * after the user-session and want the user-session to take + * over the VT. We need to support this for + * backwards-compatibility, so make sure we allow new sessions + * on a VT that a greeter is running on. + */ + if (session && session->class == SESSION_GREETER) + session = NULL; + } if (session) { _cleanup_free_ char *path = NULL; _cleanup_close_ int fifo_fd = -1; |