mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-27 21:20:18 +00:00
6e86f21f71
* include/unistd.h (seteuid, setegid): Add libc_hidden_proto. * sysdeps/generic/seteuid.c (seteuid): Add libc_hidden_def. * sysdeps/generic/setegid.c (setegid): Likewise. * sysdeps/mach/hurd/seteuid.c (seteuid): Likewise. * sysdeps/mach/hurd/setegid.c (setegid): Likewise. * sysdeps/unix/bsd/seteuid.c (seteuid): Likewise. * sysdeps/unix/bsd/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/aix/seteuid.c (seteuid): Likewise. * sysdeps/unix/sysv/aix/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/linux/i386/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c (seteuid): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/linux/seteuid.c (seteuid): Likewise. * sysdeps/unix/sysv/linux/setegid.c (setegid): Likewise. * sysdeps/unix/sysv/linux/i386/seteuid.c (seteuid): Likewise. Remove fallback if __ASSUME_SETRESUID_SYSCALL.
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/* Copyright (C) 1993, 1994, 1995, 1997 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 <errno.h>
|
|
#include <unistd.h>
|
|
#include <hurd.h>
|
|
#include <sys/types.h>
|
|
#include <hurd/id.h>
|
|
#include <string.h>
|
|
|
|
/* Set the effective user ID of the calling process to GID. */
|
|
int
|
|
setegid (gid)
|
|
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 EGID as the first element in the
|
|
list of effective gids. */
|
|
|
|
if (_hurd_id.gen.ngids > 0)
|
|
{
|
|
_hurd_id.gen.gids[0] = gid;
|
|
_hurd_id.valid = 0;
|
|
}
|
|
|
|
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,
|
|
_hurd_id.gen.ngids ? _hurd_id.gen.gids : &gid,
|
|
_hurd_id.gen.ngids ?: 1,
|
|
_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 handle and reauthenticate everything. */
|
|
err = __setauth (newauth);
|
|
__mach_port_deallocate (__mach_task_self (), newauth);
|
|
return err;
|
|
}
|
|
libc_hidden_def (setegid)
|