void
delete_bootstrap_services(bootstrap_info_t *bootstrap)
{
server_t *serverp;
service_t *servicep;
service_t *next;
for ( servicep = FIRST(services)
; !IS_END(servicep, services)
; servicep = next)
{
next = NEXT(servicep);
if (bootstrap != servicep->bootstrap)
continue;
if (!servicep->isActive || !servicep->server) {
delete_service(servicep);
continue;
}
serverp = servicep->server;
delete_service(servicep);
serverp->active_services--;
if (!active_server(serverp))
delete_server(serverp);
}
}
/*
* kern_return_t
* bootstrap_register(mach_port_t bootstrap_port,
* name_t service_name,
* mach_port_t service_port)
*
* Registers send rights for the port service_port for the service named by
* service_name. Registering a declared service or registering a service for
* which bootstrap has receive rights via a port backup notification is
* allowed.
* The previous service port will be deallocated. Restarting services wishing
* to resume service for previous clients must first attempt to checkin to the
* service.
*
* Errors: Returns appropriate kernel errors on rpc failure.
* Returns BOOTSTRAP_NOT_PRIVILEGED, if request directed to
* unprivileged bootstrap port.
* Returns BOOTSTRAP_SERVICE_ACTIVE, if service has already been
* register or checked-in.
*/
kern_return_t
x_bootstrap_register(
mach_port_t bootstrap_port,
name_t service_name,
mach_port_t service_port)
{
kern_return_t result;
service_t *servicep;
server_t *serverp;
bootstrap_info_t *bootstrap;
mach_port_t old_port;
debug("Register attempt for service %s port %x",
service_name, service_port);
/*
* Validate the bootstrap.
*/
bootstrap = lookup_bootstrap_by_port(bootstrap_port);
if (!bootstrap || !active_bootstrap(bootstrap))
return BOOTSTRAP_NOT_PRIVILEGED;
/*
* If this bootstrap port is for a server, or it's an unprivileged
* bootstrap can't register the port.
*/
serverp = lookup_server_by_port(bootstrap_port);
servicep = lookup_service_by_name(bootstrap, service_name);
if (servicep && servicep->server && servicep->server != serverp)
return BOOTSTRAP_NOT_PRIVILEGED;
if (servicep == NULL || servicep->bootstrap != bootstrap) {
servicep = new_service(bootstrap,
service_name,
service_port,
ACTIVE,
REGISTERED,
NULL_SERVER);
debug("Registered new service %s", service_name);
} else {
if (servicep->isActive) {
debug("Register: service %s already active, port %x",
servicep->name, servicep->port);
ASSERT(!canReceive(servicep->port));
return BOOTSTRAP_SERVICE_ACTIVE;
}
old_port = servicep->port;
if (servicep->servicetype == DECLARED) {
servicep->servicetype = REGISTERED;
if (servicep->server) {
ASSERT(servicep->server == serverp);
ASSERT(active_server(serverp));
servicep->server = NULL_SERVER;
serverp->activity++;
}
result = mach_port_mod_refs(
mach_task_self(),
old_port,
MACH_PORT_RIGHT_RECEIVE,
-1);
if (result != KERN_SUCCESS)
kern_fatal(result, "mach_port_mod_refs");
}
result = mach_port_deallocate(
mach_task_self(),
old_port);
if (result != KERN_SUCCESS)
kern_fatal(result, "mach_port_mod_refs");
servicep->port = service_port;
servicep->isActive = TRUE;
debug("Re-registered inactive service %x bootstrap %x: %s",
servicep->port, servicep->bootstrap->bootstrap_port, service_name);
}
/* detect the new service port going dead */
result = mach_port_request_notification(
mach_task_self(),
service_port,
MACH_NOTIFY_DEAD_NAME,
0,
notify_port,
MACH_MSG_TYPE_MAKE_SEND_ONCE,
&old_port);
if (result != KERN_SUCCESS) {
debug("Can't request notification on service %x bootstrap %x: %s",
service_port, servicep->bootstrap->bootstrap_port, "must be dead");
delete_service(servicep);
return BOOTSTRAP_SUCCESS;
} else if (old_port != MACH_PORT_NULL) {
debug("deallocating old notification port (%x) for service %x",
old_port, service_port);
result = mach_port_deallocate(
mach_task_self(),
old_port);
if (result != KERN_SUCCESS)
kern_fatal(result, "mach_port_deallocate");
}
info("Registered service %x bootstrap %x: %s",
servicep->port, servicep->bootstrap->bootstrap_port, servicep->name);
return BOOTSTRAP_SUCCESS;
}
