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NetBSD/sys/compat/osf1/osf1_file.c

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/* $NetBSD: osf1_file.c,v 1.10 2001/04/04 19:52:18 ross 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.
*/
#if defined(_KERNEL) && !defined(_LKM)
#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 <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(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_access_args *uap = v;
struct sys_access_args a;
unsigned long leftovers;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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(p, &a, retval);
}
int
osf1_sys_execve(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_execve_args *uap = v;
struct sys_execve_args ap;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&ap, path) = SCARG(uap, path);
SCARG(&ap, argp) = SCARG(uap, argp);
SCARG(&ap, envp) = SCARG(uap, envp);
return sys_execve(p, &ap, retval);
}
/*
* Get file status; this version does not follow links.
*/
/* ARGSUSED */
int
osf1_sys_lstat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_lstat_args *uap = v;
struct stat sb;
struct osf1_stat osb;
int error;
struct nameidata nd;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)))
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
osf1_cvt_stat_from_native(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Get file status; this version does not follow links.
*/
/* ARGSUSED */
int
osf1_sys_lstat2(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_lstat2_args *uap = v;
struct stat sb;
struct osf1_stat2 osb;
int error;
struct nameidata nd;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)))
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
osf1_cvt_stat2_from_native(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
int
osf1_sys_mknod(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_mknod_args *uap = v;
struct sys_mknod_args a;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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(p, &a, retval);
}
int
osf1_sys_open(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_open_args *uap = v;
struct sys_open_args a;
const char *path;
caddr_t sg;
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
sg = stackgap_init(p->p_emul);
/* 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);
if (SCARG(&a, flags) & O_CREAT)
CHECK_ALT_CREAT(p, &sg, path);
else
CHECK_ALT_EXIST(p, &sg, path);
SCARG(&a, path) = path;
return sys_open(p, &a, retval);
}
int
osf1_sys_pathconf(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_pathconf_args *uap = v;
struct sys_pathconf_args a;
caddr_t sg;
int error;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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(p, &a, retval);
return (error);
}
/*
* Get file status; this version follows links.
*/
/* ARGSUSED */
int
osf1_sys_stat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_stat_args *uap = v;
struct stat sb;
struct osf1_stat osb;
int error;
struct nameidata nd;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)))
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
osf1_cvt_stat_from_native(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Get file status; this version follows links.
*/
/* ARGSUSED */
int
osf1_sys_stat2(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_stat2_args *uap = v;
struct stat sb;
struct osf1_stat2 osb;
int error;
struct nameidata nd;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)))
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
osf1_cvt_stat2_from_native(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
int
osf1_sys_truncate(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_truncate_args *uap = v;
struct sys_truncate_args a;
caddr_t sg;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&a, path) = SCARG(uap, path);
SCARG(&a, pad) = 0;
SCARG(&a, length) = SCARG(uap, length);
return sys_truncate(p, &a, retval);
}
int
osf1_sys_utimes(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_utimes_args *uap = v;
struct sys_utimes_args a;
struct osf1_timeval otv;
struct timeval tv;
caddr_t sg;
int error;
sg = stackgap_init(p->p_emul);
CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&a, path) = SCARG(uap, path);
error = 0;
if (SCARG(uap, tptr) == NULL)
SCARG(&a, tptr) = NULL;
else {
SCARG(&a, tptr) = stackgap_alloc(&sg, sizeof tv);
/* get the OSF/1 timeval argument */
error = copyin((caddr_t)SCARG(uap, tptr),
(caddr_t)&otv, sizeof otv);
if (error == 0) {
/* fill in and copy out the NetBSD timeval */
memset(&tv, 0, sizeof tv);
tv.tv_sec = otv.tv_sec;
tv.tv_usec = otv.tv_usec;
error = copyout((caddr_t)&tv,
(caddr_t)SCARG(&a, tptr), sizeof tv);
}
}
if (error == 0)
error = sys_utimes(p, &a, retval);
return (error);
}
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