NetBSD-5.0.2/sys/compat/osf1/osf1_file.c
/* $NetBSD: osf1_file.c,v 1.30 2008/03/21 21:54:59 ad Exp $ */
/*
* Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
*
* 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 Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: osf1_file.c,v 1.30 2008/03/21 21:54:59 ad Exp $");
#if defined(_KERNEL_OPT)
#include "opt_syscall_debug.h"
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/signal.h>
#include <sys/signalvar.h>
#include <sys/reboot.h>
#include <sys/syscallargs.h>
#include <sys/exec.h>
#include <sys/vnode.h>
#include <sys/socketvar.h>
#include <sys/resource.h>
#include <sys/resourcevar.h>
#include <sys/wait.h>
#include <sys/vfs_syscalls.h>
#include <compat/osf1/osf1.h>
#include <compat/osf1/osf1_syscallargs.h>
#include <compat/common/compat_util.h>
#include <compat/osf1/osf1_cvt.h>
int
osf1_sys_access(struct lwp *l, const struct osf1_sys_access_args *uap, register_t *retval)
{
struct sys_access_args a;
unsigned long leftovers;
SCARG(&a, path) = SCARG(uap, path);
/* translate flags */
SCARG(&a, flags) = emul_flags_translate(osf1_access_flags_xtab,
SCARG(uap, flags), &leftovers);
if (leftovers != 0)
return (EINVAL);
return sys_access(l, &a, retval);
}
int
osf1_sys_execve(struct lwp *l, const struct osf1_sys_execve_args *uap, register_t *retval)
{
struct sys_execve_args ap;
SCARG(&ap, path) = SCARG(uap, path);
SCARG(&ap, argp) = SCARG(uap, argp);
SCARG(&ap, envp) = SCARG(uap, envp);
return sys_execve(l, &ap, retval);
}
/*
* Get file status; this version does not follow links.
*/
/* ARGSUSED */
int
osf1_sys_lstat(struct lwp *l, const struct osf1_sys_lstat_args *uap, register_t *retval)
{
struct stat sb;
struct osf1_stat osb;
int error;
error = do_sys_stat(SCARG(uap, path), NOFOLLOW, &sb);
if (error)
return (error);
osf1_cvt_stat_from_native(&sb, &osb);
error = copyout(&osb, SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Get file status; this version does not follow links.
*/
/* ARGSUSED */
int
osf1_sys_lstat2(struct lwp *l, const struct osf1_sys_lstat2_args *uap, register_t *retval)
{
struct stat sb;
struct osf1_stat2 osb;
int error;
error = do_sys_stat(SCARG(uap, path), NOFOLLOW, &sb);
if (error)
return (error);
osf1_cvt_stat2_from_native(&sb, &osb);
error = copyout((void *)&osb, (void *)SCARG(uap, ub), sizeof (osb));
return (error);
}
int
osf1_sys_mknod(struct lwp *l, const struct osf1_sys_mknod_args *uap, register_t *retval)
{
struct sys_mknod_args a;
SCARG(&a, path) = SCARG(uap, path);
SCARG(&a, mode) = SCARG(uap, mode);
SCARG(&a, dev) = osf1_cvt_dev_to_native(SCARG(uap, dev));
return sys_mknod(l, &a, retval);
}
int
osf1_sys_open(struct lwp *l, const struct osf1_sys_open_args *uap, register_t *retval)
{
struct sys_open_args a;
const char *path;
unsigned long leftovers;
#ifdef SYSCALL_DEBUG
char pnbuf[1024];
if (scdebug &&
copyinstr(SCARG(uap, path), pnbuf, sizeof pnbuf, NULL) == 0)
printf("osf1_open: open: %s\n", pnbuf);
#endif
/* translate flags */
SCARG(&a, flags) = emul_flags_translate(osf1_open_flags_xtab,
SCARG(uap, flags), &leftovers);
if (leftovers != 0)
return (EINVAL);
/* copy mode, no translation necessary */
SCARG(&a, mode) = SCARG(uap, mode);
/* pick appropriate path */
path = SCARG(uap, path);
SCARG(&a, path) = path;
return sys_open(l, &a, retval);
}
int
osf1_sys_pathconf(struct lwp *l, const struct osf1_sys_pathconf_args *uap, register_t *retval)
{
struct sys_pathconf_args a;
int error;
SCARG(&a, path) = SCARG(uap, path);
error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
&SCARG(&a, name));
if (error == 0)
error = sys_pathconf(l, &a, retval);
return (error);
}
/*
* Get file status; this version follows links.
*/
/* ARGSUSED */
int
osf1_sys_stat(struct lwp *l, const struct osf1_sys_stat_args *uap, register_t *retval)
{
struct stat sb;
struct osf1_stat osb;
int error;
error = do_sys_stat(SCARG(uap, path), FOLLOW, &sb);
if (error)
return (error);
osf1_cvt_stat_from_native(&sb, &osb);
error = copyout((void *)&osb, (void *)SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Get file status; this version follows links.
*/
/* ARGSUSED */
int
osf1_sys_stat2(struct lwp *l, const struct osf1_sys_stat2_args *uap, register_t *retval)
{
struct stat sb;
struct osf1_stat2 osb;
int error;
error = do_sys_stat(SCARG(uap, path), FOLLOW, &sb);
if (error)
return (error);
osf1_cvt_stat2_from_native(&sb, &osb);
error = copyout((void *)&osb, (void *)SCARG(uap, ub), sizeof (osb));
return (error);
}
int
osf1_sys_truncate(struct lwp *l, const struct osf1_sys_truncate_args *uap, register_t *retval)
{
struct sys_truncate_args a;
SCARG(&a, path) = SCARG(uap, path);
SCARG(&a, pad) = 0;
SCARG(&a, length) = SCARG(uap, length);
return sys_truncate(l, &a, retval);
}
int
osf1_sys_utimes(struct lwp *l, const struct osf1_sys_utimes_args *uap, register_t *retval)
{
struct osf1_timeval otv;
struct timeval tv[2], *tvp;
int error;
if (SCARG(uap, tptr) == NULL)
tvp = NULL;
else {
/* get the OSF/1 timeval argument */
error = copyin(SCARG(uap, tptr), &otv, sizeof otv);
if (error != 0)
return error;
/* fill in and copy out the NetBSD timeval */
tv[0].tv_sec = otv.tv_sec;
tv[0].tv_usec = otv.tv_usec;
/* Set access and modified to the same time */
tv[1].tv_sec = otv.tv_sec;
tv[1].tv_usec = otv.tv_usec;
tvp = tv;
}
return do_sys_utimes(l, NULL, SCARG(uap, path), FOLLOW,
tvp, UIO_SYSSPACE);
}