glibc/sysdeps/unix/sysv/linux/i386/setgroups.c
Greg McGary 4bbb61e414 * sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):
New macros. 
* sysdeps/generic/strcpy.c: Add bounds checks. 
* sysdeps/unix/fxstat.c: Likewise. 
* sysdeps/unix/xstat.c: Likewise. 
* sysdeps/unix/common/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise. 
* sysdeps/unix/sysv/linux/execve.c: Likewise. 
* sysdeps/unix/sysv/linux/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/fxstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/getcwd.c: Likewise. 
* sysdeps/unix/sysv/linux/getdents.c: Likewise. 
* sysdeps/unix/sysv/linux/llseek.c: Likewise. 
* sysdeps/unix/sysv/linux/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/lxstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/poll.c: Likewise. 
* sysdeps/unix/sysv/linux/pread.c: Likewise. 
* sysdeps/unix/sysv/linux/pread64.c: Likewise. 
* sysdeps/unix/sysv/linux/ptrace.c: Likewise. 
* sysdeps/unix/sysv/linux/pwrite.c: Likewise. 
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise. 
* sysdeps/unix/sysv/linux/readv.c: Likewise. 
* sysdeps/unix/sysv/linux/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/sigqueue.c: Likewise. 
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. 
* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise. 
* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. 
* sysdeps/unix/sysv/linux/sysctl.c: Likewise. 
* sysdeps/unix/sysv/linux/truncate64.c: Likewise. 
* sysdeps/unix/sysv/linux/ustat.c: Likewise. 
* sysdeps/unix/sysv/linux/writev.c: Likewise. 
* sysdeps/unix/sysv/linux/xmknod.c: Likewise. 
* sysdeps/unix/sysv/linux/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/xstat64.c: Likewise. 
* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/brk.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise. 
* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise. 
* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pread.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise. 
* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise. 
* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
	* sysdeps/generic/bp-checks.h (CHECK_SIGSET, CHECK_SIGSETopt):
	New macros.
	* sysdeps/generic/strcpy.c: Add bounds checks.
	* sysdeps/unix/fxstat.c: Likewise.
	* sysdeps/unix/xstat.c: Likewise.
	* sysdeps/unix/common/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/execve.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/fxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/getcwd.c: Likewise.
	* sysdeps/unix/sysv/linux/getdents.c: Likewise.
	* sysdeps/unix/sysv/linux/llseek.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/lxstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/poll.c: Likewise.
	* sysdeps/unix/sysv/linux/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/ptrace.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/readv.c: Likewise.
	* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sigqueue.c: Likewise.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
	* sysdeps/unix/sysv/linux/sysctl.c: Likewise.
	* sysdeps/unix/sysv/linux/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/writev.c: Likewise.
	* sysdeps/unix/sysv/linux/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/xstat64.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/brk.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lchown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setrlimit.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/lxstat.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/sigsuspend.c: Likewise.
	* sysdeps/unix/sysv/linux/ia64/xstat.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/truncate64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/ustat.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigpending.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigprocmask.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c: Likewise.
2000-07-07 02:19:06 +00:00

90 lines
2.5 KiB
C

/* Copyright (C) 1997, 1998, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <grp.h>
#include <unistd.h>
#include <sys/types.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#include "kernel-features.h"
extern int __syscall_setgroups (int, const __kernel_gid_t *__unbounded);
#ifdef __NR_setgroups32
extern int __syscall_setgroups32 (int, const __kernel_gid32_t *__unbounded);
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
extern int __libc_missing_32bit_uids;
# endif
#endif /* __NR_setgroups32 */
/* Set the group set for the current user to GROUPS (N of them). For
Linux we must convert the array of groups into the format that the
kernel expects. */
int
setgroups (size_t n, const gid_t *groups)
{
if (n > (size_t) __sysconf (_SC_NGROUPS_MAX))
{
__set_errno (EINVAL);
return -1;
}
else
{
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
#else
size_t i;
__kernel_gid_t kernel_groups[n];
# ifdef __NR_setgroups32
if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
if (result == 0 || errno != ENOSYS)
return result;
__set_errno (saved_errno);
__libc_missing_32bit_uids = 1;
}
# endif /* __NR_setgroups32 */
for (i = 0; i < n; i++)
{
kernel_groups[i] = (__ptrvalue (groups))[i];
if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i]))
{
__set_errno (EINVAL);
return -1;
}
}
return INLINE_SYSCALL (setgroups, 2, n, CHECK_N (kernel_groups, n));
#endif
}
}