418 lines
10 KiB
C
418 lines
10 KiB
C
/* $NetBSD: osf1_file.c,v 1.10 2001/04/04 19:52:18 ross Exp $ */
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/*
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* Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_syscall_debug.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/proc.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/filedesc.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/signal.h>
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#include <sys/signalvar.h>
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#include <sys/reboot.h>
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#include <sys/syscallargs.h>
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#include <sys/exec.h>
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#include <sys/vnode.h>
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#include <sys/socketvar.h>
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#include <sys/resource.h>
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#include <sys/resourcevar.h>
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#include <sys/wait.h>
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#include <compat/osf1/osf1.h>
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#include <compat/osf1/osf1_syscallargs.h>
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#include <compat/common/compat_util.h>
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#include <compat/osf1/osf1_cvt.h>
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int
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osf1_sys_access(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_access_args *uap = v;
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struct sys_access_args a;
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unsigned long leftovers;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&a, path) = SCARG(uap, path);
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/* translate flags */
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SCARG(&a, flags) = emul_flags_translate(osf1_access_flags_xtab,
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SCARG(uap, flags), &leftovers);
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if (leftovers != 0)
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return (EINVAL);
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return sys_access(p, &a, retval);
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}
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int
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osf1_sys_execve(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_execve_args *uap = v;
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struct sys_execve_args ap;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&ap, path) = SCARG(uap, path);
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SCARG(&ap, argp) = SCARG(uap, argp);
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SCARG(&ap, envp) = SCARG(uap, envp);
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return sys_execve(p, &ap, retval);
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}
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/*
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* Get file status; this version does not follow links.
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*/
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/* ARGSUSED */
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int
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osf1_sys_lstat(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_lstat_args *uap = v;
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struct stat sb;
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struct osf1_stat osb;
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int error;
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struct nameidata nd;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
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SCARG(uap, path), p);
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if ((error = namei(&nd)))
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return (error);
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error = vn_stat(nd.ni_vp, &sb, p);
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vput(nd.ni_vp);
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if (error)
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return (error);
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osf1_cvt_stat_from_native(&sb, &osb);
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error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
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return (error);
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}
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/*
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* Get file status; this version does not follow links.
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*/
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/* ARGSUSED */
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int
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osf1_sys_lstat2(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_lstat2_args *uap = v;
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struct stat sb;
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struct osf1_stat2 osb;
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int error;
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struct nameidata nd;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
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SCARG(uap, path), p);
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if ((error = namei(&nd)))
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return (error);
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error = vn_stat(nd.ni_vp, &sb, p);
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vput(nd.ni_vp);
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if (error)
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return (error);
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osf1_cvt_stat2_from_native(&sb, &osb);
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error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
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return (error);
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}
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int
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osf1_sys_mknod(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_mknod_args *uap = v;
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struct sys_mknod_args a;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&a, path) = SCARG(uap, path);
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SCARG(&a, mode) = SCARG(uap, mode);
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SCARG(&a, dev) = osf1_cvt_dev_to_native(SCARG(uap, dev));
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return sys_mknod(p, &a, retval);
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}
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int
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osf1_sys_open(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_open_args *uap = v;
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struct sys_open_args a;
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const char *path;
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caddr_t sg;
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unsigned long leftovers;
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#ifdef SYSCALL_DEBUG
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char pnbuf[1024];
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if (scdebug &&
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copyinstr(SCARG(uap, path), pnbuf, sizeof pnbuf, NULL) == 0)
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printf("osf1_open: open: %s\n", pnbuf);
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#endif
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sg = stackgap_init(p->p_emul);
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/* translate flags */
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SCARG(&a, flags) = emul_flags_translate(osf1_open_flags_xtab,
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SCARG(uap, flags), &leftovers);
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if (leftovers != 0)
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return (EINVAL);
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/* copy mode, no translation necessary */
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SCARG(&a, mode) = SCARG(uap, mode);
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/* pick appropriate path */
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path = SCARG(uap, path);
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if (SCARG(&a, flags) & O_CREAT)
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CHECK_ALT_CREAT(p, &sg, path);
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else
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CHECK_ALT_EXIST(p, &sg, path);
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SCARG(&a, path) = path;
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return sys_open(p, &a, retval);
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}
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int
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osf1_sys_pathconf(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_pathconf_args *uap = v;
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struct sys_pathconf_args a;
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caddr_t sg;
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int error;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&a, path) = SCARG(uap, path);
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error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
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&SCARG(&a, name));
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if (error == 0)
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error = sys_pathconf(p, &a, retval);
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return (error);
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}
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/*
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* Get file status; this version follows links.
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*/
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/* ARGSUSED */
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int
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osf1_sys_stat(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_stat_args *uap = v;
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struct stat sb;
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struct osf1_stat osb;
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int error;
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struct nameidata nd;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
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SCARG(uap, path), p);
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if ((error = namei(&nd)))
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return (error);
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error = vn_stat(nd.ni_vp, &sb, p);
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vput(nd.ni_vp);
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if (error)
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return (error);
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osf1_cvt_stat_from_native(&sb, &osb);
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error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
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return (error);
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}
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/*
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* Get file status; this version follows links.
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*/
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/* ARGSUSED */
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int
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osf1_sys_stat2(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_stat2_args *uap = v;
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struct stat sb;
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struct osf1_stat2 osb;
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int error;
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struct nameidata nd;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
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SCARG(uap, path), p);
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if ((error = namei(&nd)))
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return (error);
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error = vn_stat(nd.ni_vp, &sb, p);
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vput(nd.ni_vp);
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if (error)
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return (error);
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osf1_cvt_stat2_from_native(&sb, &osb);
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error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
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return (error);
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}
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int
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osf1_sys_truncate(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_truncate_args *uap = v;
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struct sys_truncate_args a;
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caddr_t sg;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&a, path) = SCARG(uap, path);
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SCARG(&a, pad) = 0;
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SCARG(&a, length) = SCARG(uap, length);
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return sys_truncate(p, &a, retval);
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}
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int
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osf1_sys_utimes(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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struct osf1_sys_utimes_args *uap = v;
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struct sys_utimes_args a;
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struct osf1_timeval otv;
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struct timeval tv;
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caddr_t sg;
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int error;
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sg = stackgap_init(p->p_emul);
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CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&a, path) = SCARG(uap, path);
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error = 0;
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if (SCARG(uap, tptr) == NULL)
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SCARG(&a, tptr) = NULL;
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else {
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SCARG(&a, tptr) = stackgap_alloc(&sg, sizeof tv);
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/* get the OSF/1 timeval argument */
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error = copyin((caddr_t)SCARG(uap, tptr),
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(caddr_t)&otv, sizeof otv);
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if (error == 0) {
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/* fill in and copy out the NetBSD timeval */
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memset(&tv, 0, sizeof tv);
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tv.tv_sec = otv.tv_sec;
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tv.tv_usec = otv.tv_usec;
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error = copyout((caddr_t)&tv,
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(caddr_t)SCARG(&a, tptr), sizeof tv);
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}
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}
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if (error == 0)
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error = sys_utimes(p, &a, retval);
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return (error);
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}
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