glibc/sysdeps/mach/hurd/setresuid.c

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* elf/rtld-Rules ($(objpfx)rtld-libc.a): Use $(verbose) in ar command. * sysdeps/mach/hurd/getresuid.c: New file. * sysdeps/mach/hurd/getresgid.c: New file. * sysdeps/mach/hurd/setresuid.c: New file. * sysdeps/mach/hurd/setresgid.c: New file. * posix/unistd.h [__USE_GNU] (getresuid, getresgid, setresuid, setresgid): Declare them. * NEWS: Mention it. * include/unistd.h (__getresuid, __getresgid, __setresuid, __setresgid): Declare them, add libc_hidden_proto. * posix/Versions (libc: GLIBC_2.3.2): New set. Add getresuid, getresgid, setresuid, setresgid here. * Versions.def (libc): Define GLIBC_2.3.2 set. * sysdeps/generic/getresuid.c (__getresuid): Fix argument types. Add libc_hidden_def. * sysdeps/generic/getresgid.c (__getresgid): Likewise. * sysdeps/generic/setresgid.c: New file. * sysdeps/generic/setresuid.c: New file. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (sysdep_routines): Don't add getresuid and getresgid here. * sysdeps/unix/sysv/linux/arm/Makefile [$(subdir) = misc] (sysdep_routines): Don't add setresuid and setresgid here. * sysdeps/unix/sysv/linux/cris/Makefile: Likewise. * sysdeps/unix/sysv/linux/sh/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Likewise. * sysdeps/unix/sysv/linux/i386/Makefile: Likewise. * sysdeps/unix/sysv/linux/m68k/Makefile: Likewise. * posix/Makefile (routines): Add them all here instead. * sysdeps/unix/sysv/linux/i386/getresuid.c (getresuid): Renamed to __getresuid. Add libc_hidden_def for that, and weak alias to old name. * sysdeps/unix/sysv/linux/i386/getresgid.c (getresgid): Renamed to __getresgid. Add libc_hidden_def for that, and weak alias to old name. * sysdeps/unix/sysv/linux/i386/setresuid.c: Add libc_hidden_def. [! __NR_setresuid]: Include generic file. * sysdeps/unix/sysv/linux/i386/setresgid.c (setresgid): Renamed to __setresgid. Add libc_hidden_def for that, and weak alias to old name. [! __NR_setresuid]: Include generic file. * sysdeps/unix/sysv/linux/syscalls.list (setresuid, setresgid): Caller is - now, not EXTRA. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (setresuid, setresgid, getresuid, getresgid): Likewise. * sysdeps/unix/sysv/linux/syscalls.list (getresuid, getresgid): Add these calls here. * sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove them here. * sysdeps/unix/sysv/linux/hppa/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (sysdep_routines): Add setfsuid and setfsgid here. * sysdeps/unix/sysv/linux/arm/Makefile: Not here. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: Likewise. * sysdeps/unix/sysv/linux/cris/Makefile: Likewise. * sysdeps/unix/sysv/linux/sh/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/Makefile: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/Makefile: Likewise. * sysdeps/unix/sysv/linux/i386/Makefile: Likewise. * sysdeps/unix/sysv/linux/m68k/Makefile: Likewise. * hurd/errno.c: Renamed to ... * hurd/errno-loc.c: ... this. * hurd/Makefile (routines): errno -> errno-loc
2002-10-14 01:03:16 +00:00
/* setresuid -- set effective user ID, real user ID, and saved-set user ID
Copyright (C) 2002 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 <hurd/id.h>
/* Set the effective user ID, real user ID, and saved-set user ID,
of the calling process to EUID, RUID, and SUID, respectively. */
int
__setresuid (uid_t euid, uid_t ruid, uid_t suid)
{
auth_t newauth;
error_t err;
uid_t auids[2] = { ruid, suid };
HURD_CRITICAL_BEGIN;
__mutex_lock (&_hurd_id.lock);
err = _hurd_check_ids ();
if (!err)
{
/* Make a new auth handle which has EUID as the first element in the
list of effective uids. */
if (_hurd_id.gen.nuids > 0)
{
_hurd_id.gen.uids[0] = euid;
_hurd_id.valid = 0;
}
if (_hurd_id.aux.nuids > 1)
{
_hurd_id.aux.uids[0] = ruid;
_hurd_id.aux.uids[1] = suid;
_hurd_id.valid = 0;
}
err = __USEPORT (AUTH, __auth_makeauth
(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
_hurd_id.gen.nuids ? _hurd_id.gen.uids : &euid,
_hurd_id.gen.nuids ?: 1,
_hurd_id.aux.nuids > 1 ? _hurd_id.aux.uids : auids,
_hurd_id.aux.nuids > 1 ? _hurd_id.aux.nuids : 2,
_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 handle and reauthenticate everything. */
err = __setauth (newauth);
__mach_port_deallocate (__mach_task_self (), newauth);
return err;
}
libc_hidden_def (__setresuid)