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NetBSD/sys/compat/freebsd/freebsd_file.c
christos 885404d216 Use stat12; from Enami Tsugutomo
1997-10-18 16:30:25 +00:00

625 lines
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/* $NetBSD: freebsd_file.c,v 1.8 1997/10/18 16:30:25 christos Exp $ */
/*
* Copyright (c) 1995 Frank van der Linden
* 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 for the NetBSD Project
* by Frank van der Linden
* 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.
*
* from: linux_file.c,v 1.3 1995/04/04 04:21:30 mycroft Exp
*/
#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/ioctl.h>
#include <sys/kernel.h>
#include <sys/mount.h>
#include <sys/malloc.h>
#include <sys/syscallargs.h>
#include <compat/freebsd/freebsd_syscallargs.h>
#include <compat/freebsd/freebsd_util.h>
#define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0]))
const char freebsd_emul_path[] = "/emul/freebsd";
static char * convert_from_freebsd_mount_type __P((int));
static char *
convert_from_freebsd_mount_type(type)
int type;
{
static char *netbsd_mount_type[] = {
NULL, /* 0 = MOUNT_NONE */
"ffs", /* 1 = "Fast" Filesystem */
"nfs", /* 2 = Network Filesystem */
"mfs", /* 3 = Memory Filesystem */
"msdos", /* 4 = MSDOS Filesystem */
"lfs", /* 5 = Log-based Filesystem */
"lofs", /* 6 = Loopback filesystem */
"fdesc", /* 7 = File Descriptor Filesystem */
"portal", /* 8 = Portal Filesystem */
"null", /* 9 = Minimal Filesystem Layer */
"umap", /* 10 = User/Group Identifier Remapping Filesystem */
"kernfs", /* 11 = Kernel Information Filesystem */
"procfs", /* 12 = /proc Filesystem */
"afs", /* 13 = Andrew Filesystem */
"cd9660", /* 14 = ISO9660 (aka CDROM) Filesystem */
"union", /* 15 = Union (translucent) Filesystem */
NULL, /* 16 = "devfs" - existing device Filesystem */
#if 0 /* These filesystems don't exist in FreeBSD */
"adosfs", /* ?? = AmigaDOS Filesystem */
#endif
};
if (type < 0 || type >= ARRAY_LENGTH(netbsd_mount_type))
return (NULL);
return (netbsd_mount_type[type]);
}
int
freebsd_sys_mount(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_mount_args /* {
syscallarg(int) type;
syscallarg(char *) path;
syscallarg(int) flags;
syscallarg(caddr_t) data;
} */ *uap = v;
int error;
char *type, *s;
caddr_t sg = stackgap_init(p->p_emul);
struct sys_mount_args bma;
if ((type = convert_from_freebsd_mount_type(SCARG(uap, type))) == NULL)
return ENODEV;
s = stackgap_alloc(&sg, MFSNAMELEN + 1);
if ((error = copyout(type, s, strlen(type) + 1)) != 0)
return error;
SCARG(&bma, type) = s;
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
SCARG(&bma, path) = SCARG(uap, path);
SCARG(&bma, flags) = SCARG(uap, flags);
SCARG(&bma, data) = SCARG(uap, data);
return sys_mount(p, &bma, retval);
}
/*
* The following syscalls are only here because of the alternate path check.
*/
/* XXX - UNIX domain: int freebsd_sys_bind(int s, caddr_t name, int namelen); */
/* XXX - UNIX domain: int freebsd_sys_connect(int s, caddr_t name, int namelen); */
int
freebsd_sys_open(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_open_args /* {
syscallarg(char *) path;
syscallarg(int) flags;
syscallarg(int) mode;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
if (SCARG(uap, flags) & O_CREAT)
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
else
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_open(p, uap, retval);
}
int
compat_43_freebsd_sys_creat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_43_freebsd_sys_creat_args /* {
syscallarg(char *) path;
syscallarg(int) mode;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
return compat_43_sys_creat(p, uap, retval);
}
int
freebsd_sys_link(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_link_args /* {
syscallarg(char *) path;
syscallarg(char *) link;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, link));
return sys_link(p, uap, retval);
}
int
freebsd_sys_unlink(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_unlink_args /* {
syscallarg(char *) path;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_unlink(p, uap, retval);
}
int
freebsd_sys_chdir(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_chdir_args /* {
syscallarg(char *) path;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_chdir(p, uap, retval);
}
int
freebsd_sys_mknod(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_mknod_args /* {
syscallarg(char *) path;
syscallarg(int) mode;
syscallarg(int) dev;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
return sys_mknod(p, uap, retval);
}
int
freebsd_sys_chmod(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_chmod_args /* {
syscallarg(char *) path;
syscallarg(int) mode;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_chmod(p, uap, retval);
}
int
freebsd_sys_chown(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_chown_args /* {
syscallarg(char *) path;
syscallarg(int) uid;
syscallarg(int) gid;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_chown(p, uap, retval);
}
int
freebsd_sys_lchown(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_lchown_args /* {
syscallarg(char *) path;
syscallarg(int) uid;
syscallarg(int) gid;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_lchown(p, uap, retval);
}
int
freebsd_sys_unmount(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_unmount_args /* {
syscallarg(char *) path;
syscallarg(int) flags;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_unmount(p, uap, retval);
}
int
freebsd_sys_access(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_access_args /* {
syscallarg(char *) path;
syscallarg(int) flags;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_access(p, uap, retval);
}
int
freebsd_sys_chflags(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_chflags_args /* {
syscallarg(char *) path;
syscallarg(int) flags;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_chflags(p, uap, retval);
}
int
compat_43_freebsd_sys_stat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_43_freebsd_sys_stat_args /* {
syscallarg(char *) path;
syscallarg(struct stat43 *) ub;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return compat_43_sys_stat(p, uap, retval);
}
int
compat_43_freebsd_sys_lstat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_43_freebsd_sys_lstat_args /* {
syscallarg(char *) path;
syscallarg(struct stat43 *) ub;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return compat_43_sys_lstat(p, uap, retval);
}
int
freebsd_sys_revoke(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_revoke_args /* {
syscallarg(char *) path;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_revoke(p, uap, retval);
}
int
freebsd_sys_symlink(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_symlink_args /* {
syscallarg(char *) path;
syscallarg(char *) link;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, link));
return sys_symlink(p, uap, retval);
}
int
freebsd_sys_readlink(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_readlink_args /* {
syscallarg(char *) path;
syscallarg(char *) buf;
syscallarg(int) count;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_readlink(p, uap, retval);
}
int
freebsd_sys_execve(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_execve_args /* {
syscallarg(char *) path;
syscallarg(char **) argp;
syscallarg(char **) envp;
} */ *uap = v;
struct sys_execve_args ap;
caddr_t sg;
sg = stackgap_init(p->p_emul);
FREEBSD_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);
}
int
freebsd_sys_chroot(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_chroot_args /* {
syscallarg(char *) path;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_chroot(p, uap, retval);
}
int
freebsd_sys_rename(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_rename_args /* {
syscallarg(char *) from;
syscallarg(char *) to;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, from));
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, to));
return sys_rename(p, uap, retval);
}
int
compat_43_freebsd_sys_truncate(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_43_freebsd_sys_truncate_args /* {
syscallarg(char *) path;
syscallarg(long) length;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return compat_43_sys_truncate(p, uap, retval);
}
int
freebsd_sys_mkfifo(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_mkfifo_args /* {
syscallarg(char *) path;
syscallarg(int) mode;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
return sys_mkfifo(p, uap, retval);
}
int
freebsd_sys_mkdir(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_mkdir_args /* {
syscallarg(char *) path;
syscallarg(int) mode;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
return sys_mkdir(p, uap, retval);
}
int
freebsd_sys_rmdir(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct freebsd_sys_rmdir_args /* {
syscallarg(char *) path;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return sys_rmdir(p, uap, retval);
}
int
freebsd_sys_statfs(p, v, retval)
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 NFS
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 /* NFS */
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 stat12 *) ub;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return compat_12_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 stat12 *) ub;
} */ *uap = v;
caddr_t sg = stackgap_init(p->p_emul);
FREEBSD_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
return compat_12_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);
}
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