diff options
Diffstat (limited to 'sysdeps/mach/hurd/setgid.c')
-rw-r--r-- | sysdeps/mach/hurd/setgid.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/sysdeps/mach/hurd/setgid.c b/sysdeps/mach/hurd/setgid.c deleted file mode 100644 index 2311571c23..0000000000 --- a/sysdeps/mach/hurd/setgid.c +++ /dev/null @@ -1,94 +0,0 @@ -/* Copyright (C) 1991-2017 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 <errno.h> -#include <unistd.h> -#include <sys/types.h> -#include <hurd.h> -#include <hurd/id.h> -#include <string.h> - -/* Set the group ID of the calling process to UID. - If the calling process is the super-user, the real - and effective group IDs, and the saved set-group-ID to UID; - if not, the effective group ID is set to GID. */ -int -__setgid (gid_t gid) -{ - auth_t newauth; - error_t err; - - HURD_CRITICAL_BEGIN; - __mutex_lock (&_hurd_id.lock); - err = _hurd_check_ids (); - - if (!err) - { - /* Make a new auth handle which has GID as the real gid, - and as the first element in the list of effective gids. */ - - gid_t *newgen, *newaux, auxbuf[2]; - size_t ngen, naux; - - if (_hurd_id.gen.ngids == 0) - { - /* No effective gids now. The new set will be just GID. */ - newgen = &gid; - ngen = 1; - } - else - { - _hurd_id.gen.gids[0] = gid; - _hurd_id.valid = 0; - newgen = _hurd_id.gen.gids; - ngen = _hurd_id.gen.ngids; - } - - newaux = _hurd_id.aux.gids; - naux = _hurd_id.aux.ngids; - if (_hurd_id.gen.nuids > 0 && _hurd_id.gen.uids[0] == 0) - { - /* We are root; set the real and saved IDs too. */ - _hurd_id.valid = 0; - if (_hurd_id.aux.ngids < 2) - { - newaux = auxbuf; - naux = 2; - } - newaux[0] = newaux[1] = gid; - } - - err = __USEPORT (AUTH, __auth_makeauth - (port, NULL, MACH_MSG_TYPE_COPY_SEND, 0, - _hurd_id.gen.uids, _hurd_id.gen.nuids, - _hurd_id.aux.uids, _hurd_id.aux.nuids, - newgen, ngen, newaux, naux, - &newauth)); - } - __mutex_unlock (&_hurd_id.lock); - HURD_CRITICAL_END; - - if (err) - return __hurd_fail (err); - - /* Install the new handle and reauthenticate everything. */ - err = __setauth (newauth); - __mach_port_deallocate (__mach_task_self (), newauth); - return err; -} - -weak_alias (__setgid, setgid) |