diff --git a/src/core/service.c b/src/core/service.c index 5472e1a908..03e6792fec 100644 --- a/src/core/service.c +++ b/src/core/service.c @@ -538,8 +538,13 @@ static int service_verify(Service *s) { if (UNIT(s)->load_state != UNIT_LOADED) return 0; - if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]) { - log_unit_error(UNIT(s), "Service lacks both ExecStart= and ExecStop= setting. Refusing."); + if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP] + && UNIT(s)->success_action == EMERGENCY_ACTION_NONE) { + /* FailureAction= only makes sense if one of the start or stop commands is specified. + * SuccessAction= will be executed unconditionally if no commands are specified. Hence, + * either a command or SuccessAction= are required. */ + + log_unit_error(UNIT(s), "Service has no ExecStart=, ExecStop=, or SuccessAction=. Refusing."); return -ENOEXEC; } @@ -548,8 +553,8 @@ static int service_verify(Service *s) { return -ENOEXEC; } - if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START]) { - log_unit_error(UNIT(s), "Service has no ExecStart= setting, which is only allowed for RemainAfterExit=yes services. Refusing."); + if (!s->remain_after_exit && !s->exec_command[SERVICE_EXEC_START] && UNIT(s)->success_action == EMERGENCY_ACTION_NONE) { + log_unit_error(UNIT(s), "Service has no ExecStart= and no SuccessAction= settings and does not have RemainAfterExit=yes set. Refusing."); return -ENOEXEC; }