601 lines
14 KiB
C
601 lines
14 KiB
C
/* $NetBSD: freebsd_file.c,v 1.3 1996/05/03 17:03:09 christos Exp $ */
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/*
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* Copyright (c) 1995 Frank van der Linden
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* 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 for the NetBSD Project
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* by Frank van der Linden
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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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* from: linux_file.c,v 1.3 1995/04/04 04:21:30 mycroft Exp
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*/
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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/ioctl.h>
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#include <sys/kernel.h>
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#include <sys/mount.h>
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#include <sys/malloc.h>
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#include <sys/syscallargs.h>
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#include <compat/freebsd/freebsd_syscallargs.h>
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#include <compat/freebsd/freebsd_util.h>
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#define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0]))
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const char freebsd_emul_path[] = "/emul/freebsd";
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static char * convert_from_freebsd_mount_type __P((int));
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static char *
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convert_from_freebsd_mount_type(type)
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int type;
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{
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static char *netbsd_mount_type[] = {
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NULL, /* 0 = MOUNT_NONE */
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"ffs", /* 1 = "Fast" Filesystem */
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"nfs", /* 2 = Network Filesystem */
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"mfs", /* 3 = Memory Filesystem */
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"msdos", /* 4 = MSDOS Filesystem */
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"lfs", /* 5 = Log-based Filesystem */
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"lofs", /* 6 = Loopback filesystem */
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"fdesc", /* 7 = File Descriptor Filesystem */
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"portal", /* 8 = Portal Filesystem */
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"null", /* 9 = Minimal Filesystem Layer */
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"umap", /* 10 = User/Group Identifier Remapping Filesystem */
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"kernfs", /* 11 = Kernel Information Filesystem */
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"procfs", /* 12 = /proc Filesystem */
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"afs", /* 13 = Andrew Filesystem */
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"cd9660", /* 14 = ISO9660 (aka CDROM) Filesystem */
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"union", /* 15 = Union (translucent) Filesystem */
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NULL, /* 16 = "devfs" - existing device Filesystem */
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#if 0 /* These filesystems don't exist in FreeBSD */
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"adosfs", /* ?? = AmigaDOS Filesystem */
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#endif
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};
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if (type < 0 || type >= ARRAY_LENGTH(netbsd_mount_type))
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return (NULL);
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return (netbsd_mount_type[type]);
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}
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int
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freebsd_sys_mount(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 freebsd_sys_mount_args /* {
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syscallarg(int) type;
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syscallarg(char *) path;
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syscallarg(int) flags;
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syscallarg(caddr_t) data;
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} */ *uap = v;
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int error;
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char *type, *s;
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caddr_t sg = stackgap_init(p->p_emul);
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struct sys_mount_args bma;
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if ((type = convert_from_freebsd_mount_type(SCARG(uap, type))) == NULL)
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return ENODEV;
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s = stackgap_alloc(&sg, MFSNAMELEN + 1);
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if ((error = copyout(type, s, strlen(type) + 1)) != 0)
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return error;
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SCARG(&bma, type) = s;
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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SCARG(&bma, path) = SCARG(uap, path);
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SCARG(&bma, flags) = SCARG(uap, flags);
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SCARG(&bma, data) = SCARG(uap, data);
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return sys_mount(p, &bma, retval);
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}
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/*
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* The following syscalls are only here because of the alternate path check.
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*/
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/* XXX - UNIX domain: int freebsd_sys_bind(int s, caddr_t name, int namelen); */
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/* XXX - UNIX domain: int freebsd_sys_connect(int s, caddr_t name, int namelen); */
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int
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freebsd_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 freebsd_sys_open_args /* {
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syscallarg(char *) path;
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syscallarg(int) flags;
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syscallarg(int) mode;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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if (SCARG(uap, flags) & O_CREAT)
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
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else
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_open(p, uap, retval);
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}
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int
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compat_43_freebsd_sys_creat(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 compat_43_freebsd_sys_creat_args /* {
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syscallarg(char *) path;
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syscallarg(int) mode;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
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return compat_43_sys_creat(p, uap, retval);
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}
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int
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freebsd_sys_link(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 freebsd_sys_link_args /* {
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syscallarg(char *) path;
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syscallarg(char *) link;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, link));
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return sys_link(p, uap, retval);
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}
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int
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freebsd_sys_unlink(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 freebsd_sys_unlink_args /* {
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syscallarg(char *) path;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_unlink(p, uap, retval);
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}
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int
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freebsd_sys_chdir(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 freebsd_sys_chdir_args /* {
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syscallarg(char *) path;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_chdir(p, uap, retval);
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}
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int
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freebsd_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 freebsd_sys_mknod_args /* {
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syscallarg(char *) path;
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syscallarg(int) mode;
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syscallarg(int) dev;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
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return sys_mknod(p, uap, retval);
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}
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int
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freebsd_sys_chmod(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 freebsd_sys_chmod_args /* {
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syscallarg(char *) path;
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syscallarg(int) mode;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_chmod(p, uap, retval);
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}
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int
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freebsd_sys_chown(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 freebsd_sys_chown_args /* {
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syscallarg(char *) path;
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syscallarg(int) uid;
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syscallarg(int) gid;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_chown(p, uap, retval);
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}
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int
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freebsd_sys_unmount(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 freebsd_sys_unmount_args /* {
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syscallarg(char *) path;
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syscallarg(int) flags;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_unmount(p, uap, retval);
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}
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int
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freebsd_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 freebsd_sys_access_args /* {
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syscallarg(char *) path;
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syscallarg(int) flags;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_access(p, uap, retval);
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}
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int
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freebsd_sys_chflags(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 freebsd_sys_chflags_args /* {
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syscallarg(char *) path;
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syscallarg(int) flags;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_chflags(p, uap, retval);
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}
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int
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compat_43_freebsd_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 compat_43_freebsd_sys_stat_args /* {
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syscallarg(char *) path;
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syscallarg(struct ostat *) ub;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return compat_43_sys_stat(p, uap, retval);
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}
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int
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compat_43_freebsd_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 compat_43_freebsd_sys_lstat_args /* {
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syscallarg(char *) path;
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syscallarg(struct ostat *) ub;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return compat_43_sys_lstat(p, uap, retval);
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}
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int
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freebsd_sys_revoke(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 freebsd_sys_revoke_args /* {
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syscallarg(char *) path;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_revoke(p, uap, retval);
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}
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int
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freebsd_sys_symlink(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 freebsd_sys_symlink_args /* {
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syscallarg(char *) path;
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syscallarg(char *) link;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, link));
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return sys_symlink(p, uap, retval);
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}
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int
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freebsd_sys_readlink(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 freebsd_sys_readlink_args /* {
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syscallarg(char *) path;
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syscallarg(char *) buf;
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syscallarg(int) count;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_readlink(p, uap, retval);
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}
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int
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freebsd_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 freebsd_sys_execve_args /* {
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syscallarg(char *) path;
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syscallarg(char **) argp;
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syscallarg(char **) envp;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_execve(p, uap, retval);
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}
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int
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freebsd_sys_chroot(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 freebsd_sys_chroot_args /* {
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syscallarg(char *) path;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_chroot(p, uap, retval);
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}
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int
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freebsd_sys_rename(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 freebsd_sys_rename_args /* {
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syscallarg(char *) from;
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syscallarg(char *) to;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, from));
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, to));
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return sys_rename(p, uap, retval);
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}
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int
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compat_43_freebsd_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 compat_43_freebsd_sys_truncate_args /* {
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syscallarg(char *) path;
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syscallarg(long) length;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return compat_43_sys_truncate(p, uap, retval);
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}
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int
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freebsd_sys_mkfifo(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 freebsd_sys_mkfifo_args /* {
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syscallarg(char *) path;
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syscallarg(int) mode;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
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return sys_mkfifo(p, uap, retval);
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}
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int
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freebsd_sys_mkdir(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 freebsd_sys_mkdir_args /* {
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syscallarg(char *) path;
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syscallarg(int) mode;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
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return sys_mkdir(p, uap, retval);
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}
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int
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freebsd_sys_rmdir(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 freebsd_sys_rmdir_args /* {
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syscallarg(char *) path;
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} */ *uap = v;
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caddr_t sg = stackgap_init(p->p_emul);
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FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
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return sys_rmdir(p, uap, retval);
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}
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int
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freebsd_sys_statfs(p, v, retval)
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struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct freebsd_sys_stat_args /* {
|
|
syscallarg(char *) path;
|
|
syscallarg(struct statfs *) buf;
|
|
} */ *uap = v;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
|
|
return sys_statfs(p, uap, retval);
|
|
}
|
|
|
|
#ifdef NFSCLIENT
|
|
int
|
|
freebsd_sys_getfh(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct freebsd_sys_getfh_args /* {
|
|
syscallarg(char *) fname;
|
|
syscallarg(fhandle_t *) fhp;
|
|
} */ *uap = v;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, fname));
|
|
return sys_getfh(p, uap, retval);
|
|
}
|
|
#endif /* NFSCLIENT */
|
|
|
|
int
|
|
freebsd_sys_stat(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct freebsd_sys_stat_args /* {
|
|
syscallarg(char *) path;
|
|
syscallarg(struct stat *) ub;
|
|
} */ *uap = v;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
|
|
return sys_stat(p, uap, retval);
|
|
}
|
|
|
|
int
|
|
freebsd_sys_lstat(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct freebsd_sys_lstat_args /* {
|
|
syscallarg(char *) path;
|
|
syscallarg(struct stat *) ub;
|
|
} */ *uap = v;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
|
|
return sys_lstat(p, uap, retval);
|
|
}
|
|
|
|
int
|
|
freebsd_sys_pathconf(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct freebsd_sys_pathconf_args /* {
|
|
syscallarg(char *) path;
|
|
syscallarg(int) name;
|
|
} */ *uap = v;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
|
|
return sys_pathconf(p, uap, retval);
|
|
}
|
|
|
|
int
|
|
freebsd_sys_truncate(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct freebsd_sys_truncate_args /* {
|
|
syscallarg(char *) path;
|
|
syscallarg(int) pad;
|
|
syscallarg(off_t) length;
|
|
} */ *uap = v;
|
|
caddr_t sg = stackgap_init(p->p_emul);
|
|
|
|
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
|
|
return sys_truncate(p, uap, retval);
|
|
}
|