mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library 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.
|
|
|
|
The GNU C Library 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 the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <hurd.h>
|
|
#include <hurd/id.h>
|
|
|
|
/* Set the uid set for the current user to UIDS (N of them). */
|
|
int
|
|
seteuids (int n, const uid_t *uids)
|
|
{
|
|
error_t err;
|
|
auth_t newauth;
|
|
int i;
|
|
gid_t new[n];
|
|
|
|
/* Fault before taking locks. */
|
|
for (i = 0; i < n; ++i)
|
|
new[i] = uids[i];
|
|
|
|
HURD_CRITICAL_BEGIN;
|
|
__mutex_lock (&_hurd_id.lock);
|
|
err = _hurd_check_ids ();
|
|
if (! err)
|
|
{
|
|
/* Get a new auth port using those IDs. */
|
|
err = __USEPORT (AUTH,
|
|
__auth_makeauth (port, NULL, 0, 0,
|
|
new, n,
|
|
_hurd_id.aux.uids, _hurd_id.aux.nuids,
|
|
_hurd_id.gen.gids, _hurd_id.gen.ngids,
|
|
_hurd_id.aux.gids, _hurd_id.aux.ngids,
|
|
&newauth));
|
|
}
|
|
__mutex_unlock (&_hurd_id.lock);
|
|
HURD_CRITICAL_END;
|
|
|
|
if (err)
|
|
return __hurd_fail (err);
|
|
|
|
/* Install the new auth port and reauthenticate everything. */
|
|
err = __setauth (newauth);
|
|
__mach_port_deallocate (__mach_task_self (), newauth);
|
|
return err;
|
|
}
|