/* Copyright (C) 1993, 94, 97, 98 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #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; }