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/* $OpenBSD: netbsd_misc.c,v 1.12 2001/11/06 18:41:10 art Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)kern_fork.c 8.6 (Berkeley) 4/8/94
* @(#)vfs_syscalls.c 8.28 (Berkeley) 12/10/94
*/
#include <sys/param.h>
#include <sys/file.h>
#include <sys/mount.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/vnode.h>
#include <compat/netbsd/netbsd_types.h>
#include <compat/netbsd/netbsd_signal.h>
#include <compat/netbsd/netbsd_syscallargs.h>
/*ARGSUSED*/
int
netbsd_sys___vfork14(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
return (fork1(p, SIGCHLD, FORK_PPWAIT|FORK_SHAREVM, NULL, 0, NULL,
NULL, retval));
}
/* XXX syncs whole file */
/*ARGSUSED*/
int
netbsd_sys_fdatasync(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct netbsd_sys_fdatasync_args /* {
syscallarg(int) fd;
} */ *uap = v;
return sys_fsync(p, uap, retval);
}
/*ARGSUSED*/
int
netbsd_sys_lchmod(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct netbsd_sys_lchmod_args /* {
syscallarg(char *) path;
syscallarg(netbsd_mode_t) mode;
} */ *uap = v;
register struct vnode *vp;
struct vattr vattr;
int error;
struct nameidata nd;
if (SCARG(uap, mode) & ~(S_IFMT | ALLPERMS))
return (EINVAL);
NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
if ((error = namei(&nd)) != 0)
return (error);
vp = nd.ni_vp;
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
if (vp->v_mount->mnt_flag & MNT_RDONLY)
error = EROFS;
else {
VATTR_NULL(&vattr);
vattr.va_mode = SCARG(uap, mode) & ALLPERMS;
error = VOP_SETATTR(vp, &vattr, p->p_ucred, p);
}
vput(vp);
return (error);
}
/*ARGSUSED*/
int
netbsd_sys_lutimes(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct netbsd_sys_lutimes_args /* {
syscallarg(const char *) path;
syscallarg(const struct timeval *) tptr;
} */ *uap = v;
register struct vnode *vp;
struct timeval tv[2];
struct vattr vattr;
int error;
struct nameidata nd;
VATTR_NULL(&vattr);
if (SCARG(uap, tptr) == NULL) {
microtime(&tv[0]);
tv[1] = tv[0];
vattr.va_vaflags |= VA_UTIMES_NULL;
} else {
error = copyin((caddr_t)SCARG(uap, tptr), (caddr_t)tv,
sizeof (tv));
if (error)
return (error);
/* XXX workaround timeval matching the VFS constant VNOVAL */
if (tv[0].tv_sec == VNOVAL)
tv[0].tv_sec = VNOVAL - 1;
if (tv[1].tv_sec == VNOVAL)
tv[1].tv_sec = VNOVAL - 1;
}
NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
if ((error = namei(&nd)) != 0)
return (error);
vp = nd.ni_vp;
VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p);
if (vp->v_mount->mnt_flag & MNT_RDONLY)
error = EROFS;
else {
vattr.va_atime.tv_sec = tv[0].tv_sec;
vattr.va_atime.tv_nsec = tv[0].tv_usec * 1000;
vattr.va_mtime.tv_sec = tv[1].tv_sec;
vattr.va_mtime.tv_nsec = tv[1].tv_usec * 1000;
error = VOP_SETATTR(vp, &vattr, p->p_ucred, p);
}
vput(vp);
return (error);
}
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