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/*
Copyright (C) 1995,96,2000,01 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include "netfs.h"
#include "io_S.h"
kern_return_t
netfs_S_io_reauthenticate (struct protid *user, mach_port_t rend_port)
{
error_t err;
struct protid *newpi;
mach_port_t newright;
if (!user)
return EOPNOTSUPP;
/* This routine must carefully ignore EINTR because we
are a simpleroutine, so callers won't know to restart. */
refcount_ref (&user->po->refcnt);
pthread_mutex_lock (&user->po->np->lock);
do
newpi = netfs_make_protid (user->po, 0);
while (! newpi && errno == EINTR);
if (! newpi)
{
refcount_deref (&user->po->refcnt);
pthread_mutex_unlock (&user->po->np->lock);
return errno;
}
newright = ports_get_send_right (newpi);
assert_backtrace (newright != MACH_PORT_NULL);
/* Release the node lock while blocking on the auth server and client. */
pthread_mutex_unlock (&user->po->np->lock);
err = iohelp_reauth (&newpi->user, netfs_auth_server_port, rend_port,
newright, 1);
pthread_mutex_lock (&user->po->np->lock);
if (!err)
mach_port_deallocate (mach_task_self (), rend_port);
mach_port_deallocate (mach_task_self (), newright);
mach_port_move_member (mach_task_self (), newpi->pi.port_right,
netfs_port_bucket->portset);
pthread_mutex_unlock (&user->po->np->lock);
ports_port_deref (newpi);
return err;
}
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