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/* bucket-inject.c - Copy out a capability to a client.
Copyright (C) 2004 Free Software Foundation, Inc.
Written by Marcus Brinkmann <marcus@gnu.org>
This file is part of the GNU Hurd.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This program 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include "cap-server-intern.h"
/* Copy out a capability for the capability OBJ to the client with the
task ID TASK_ID. Returns the capability (valid only for this user)
in *R_CAP, or an error. It is not safe to call this from outside
an RPC on OBJ while the manager is running. */
error_t
hurd_cap_bucket_inject (hurd_cap_bucket_t bucket, hurd_cap_obj_t obj,
hurd_task_id_t task_id, hurd_cap_t *r_cap)
{
error_t err;
_hurd_cap_client_t client;
hurd_cap_id_t cap_id;
/* FIXME: Of course, this function needs to take a task info
capability and pass it to client create. */
err = _hurd_cap_client_create (bucket, task_id, &client);
if (err)
return err;
pthread_mutex_lock (&obj->lock);
err = _hurd_cap_obj_copy_out (obj, bucket, client, &cap_id);
pthread_mutex_unlock (&obj->lock);
_hurd_cap_client_release (bucket, client->id);
if (err)
return err;
return hurd_cap_make (client->id, cap_id);
}
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