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2edb61e3f9
* sysdeps/unix/sysv/linux/setegid.c [HAVE_PTR__NPTL_SETXID]: Call callback to set IDs in all other threads as well. * sysdeps/unix/sysv/linux/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setegid.c: Likewise. * sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise. * sysdeps/unix/sysv/linux/setuid.c: New file. * sysdeps/unix/sysv/linux/setgid.c: New file. * sysdeps/unix/sysv/linux/setreuid.c: New file. * sysdeps/unix/sysv/linux/setregid.c: New file. * sysdeps/unix/sysv/linux/setresuid.c: New file. * sysdeps/unix/sysv/linux/setresgid.c: New file. * sysdeps/unix/sysv/linux/i386/sysdep.h: Define INTERNAL_SYSCALL_NCS. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: Use x86 version. * sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Remove setresgid and setresuid. * nscd/aicache.c: Use pthread_seteuid_np instead of seteuid. * nscd/grpcache.c: Likewise. * nscd/hstcache.c: Likewise. * nscd/pwdcache.c: Likewise.
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* Copyright (C) 1998, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <sysdep.h>
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#include "kernel-features.h"
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#include <pthread-functions.h>
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#ifdef __NR_setresuid
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extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid);
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#endif
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int
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seteuid (uid_t uid)
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{
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int result;
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if (uid == (uid_t) ~0)
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{
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__set_errno (EINVAL);
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return -1;
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}
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#if __ASSUME_32BITUIDS > 0
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result = INLINE_SYSCALL (setresuid32, 3, -1, uid, -1);
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#else
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/* First try the syscall. */
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# ifdef __NR_setresuid
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result = __setresuid (-1, uid, -1);
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# if __ASSUME_SETRESUID_SYSCALL > 0
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if (0)
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# else
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if (result == -1 && errno == ENOSYS)
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# endif
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/* No system call available. Use emulation. This may not work
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since `setreuid' also sets the saved user ID when UID is not
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equal to the real user ID, making it impossible to switch back. */
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# endif
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result = __setreuid (-1, uid);
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#endif
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#if defined HAVE_PTR__NPTL_SETXID && !defined SINGLE_THREAD
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if (result == 0 && __libc_pthread_functions.ptr__nptl_setxid != NULL)
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{
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struct xid_command cmd;
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cmd.syscall_no = __NR_setresuid32;
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cmd.id[0] = -1;
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cmd.id[1] = uid;
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cmd.id[2] = -1;
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__libc_pthread_functions.ptr__nptl_setxid (&cmd);
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}
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#endif
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return result;
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}
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libc_hidden_def (seteuid)
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