4e0eaf6924
directory. Also, update arguments of NDINIT for both newstat and newlstat.
While I'm at it, fix style bugs in all {s|ls|fs}tat syscalls.
Reported by: bde
289 lines
7.4 KiB
C
289 lines
7.4 KiB
C
/*-
|
|
* Copyright (c) 1994-1995 Søren Schmidt
|
|
* 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
|
|
* in this position and unchanged.
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software withough 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.
|
|
*
|
|
* $Id: linux_stats.c,v 1.12 1999/05/11 19:54:20 phk Exp $
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/dirent.h>
|
|
#include <sys/file.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/namei.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/pipe.h>
|
|
|
|
#include <i386/linux/linux.h>
|
|
#include <i386/linux/linux_proto.h>
|
|
#include <i386/linux/linux_util.h>
|
|
|
|
struct linux_newstat {
|
|
u_short stat_dev;
|
|
u_short __pad1;
|
|
u_long stat_ino;
|
|
u_short stat_mode;
|
|
u_short stat_nlink;
|
|
u_short stat_uid;
|
|
u_short stat_gid;
|
|
u_short stat_rdev;
|
|
u_short __pad2;
|
|
u_long stat_size;
|
|
u_long stat_blksize;
|
|
u_long stat_blocks;
|
|
u_long stat_atime;
|
|
u_long __unused1;
|
|
u_long stat_mtime;
|
|
u_long __unused2;
|
|
u_long stat_ctime;
|
|
u_long __unused3;
|
|
u_long __unused4;
|
|
u_long __unused5;
|
|
};
|
|
|
|
static int
|
|
newstat_copyout(struct stat *buf, void *ubuf)
|
|
{
|
|
struct linux_newstat tbuf;
|
|
|
|
tbuf.stat_dev = uminor(buf->st_dev) | (umajor(buf->st_dev) << 10);
|
|
tbuf.stat_ino = buf->st_ino;
|
|
tbuf.stat_mode = buf->st_mode;
|
|
tbuf.stat_nlink = buf->st_nlink;
|
|
tbuf.stat_uid = buf->st_uid;
|
|
tbuf.stat_gid = buf->st_gid;
|
|
tbuf.stat_rdev = buf->st_rdev;
|
|
tbuf.stat_size = buf->st_size;
|
|
tbuf.stat_atime = buf->st_atime;
|
|
tbuf.stat_mtime = buf->st_mtime;
|
|
tbuf.stat_ctime = buf->st_ctime;
|
|
tbuf.stat_blksize = buf->st_blksize;
|
|
tbuf.stat_blocks = buf->st_blocks;
|
|
|
|
return (copyout(&tbuf, ubuf, sizeof(tbuf)));
|
|
}
|
|
|
|
int
|
|
linux_newstat(struct proc *p, struct linux_newstat_args *args)
|
|
{
|
|
struct stat buf;
|
|
struct nameidata nd;
|
|
int error;
|
|
caddr_t sg;
|
|
|
|
sg = stackgap_init();
|
|
CHECKALTEXIST(p, &sg, args->path);
|
|
|
|
#ifdef DEBUG
|
|
printf("Linux-emul(%ld): newstat(%s, *)\n", (long)p->p_pid,
|
|
args->path);
|
|
#endif
|
|
|
|
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF | NOOBJ, UIO_USERSPACE,
|
|
args->path, p);
|
|
error = namei(&nd);
|
|
if (error)
|
|
return (error);
|
|
|
|
error = vn_stat(nd.ni_vp, &buf, p);
|
|
vput(nd.ni_vp);
|
|
if (error)
|
|
return (error);
|
|
|
|
return (newstat_copyout(&buf, args->buf));
|
|
}
|
|
|
|
/*
|
|
* Get file status; this version does not follow links.
|
|
*/
|
|
int
|
|
linux_newlstat(p, uap)
|
|
struct proc *p;
|
|
struct linux_newlstat_args *uap;
|
|
{
|
|
int error;
|
|
struct vnode *vp;
|
|
struct stat sb;
|
|
struct nameidata nd;
|
|
caddr_t sg;
|
|
|
|
sg = stackgap_init();
|
|
CHECKALTEXIST(p, &sg, uap->path);
|
|
|
|
#ifdef DEBUG
|
|
printf("Linux-emul(%ld): newlstat(%s, *)\n", (long)p->p_pid,
|
|
uap->path);
|
|
#endif
|
|
|
|
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF | NOOBJ, UIO_USERSPACE,
|
|
uap->path, p);
|
|
error = namei(&nd);
|
|
if (error)
|
|
return (error);
|
|
|
|
vp = nd.ni_vp;
|
|
error = vn_stat(vp, &sb, p);
|
|
vput(vp);
|
|
if (error)
|
|
return (error);
|
|
|
|
return (newstat_copyout(&sb, uap->buf));
|
|
}
|
|
|
|
int
|
|
linux_newfstat(struct proc *p, struct linux_newfstat_args *args)
|
|
{
|
|
struct filedesc *fdp;
|
|
struct file *fp;
|
|
struct stat buf;
|
|
int error;
|
|
|
|
fdp = p->p_fd;
|
|
|
|
#ifdef DEBUG
|
|
printf("Linux-emul(%ld): newfstat(%d, *)\n", (long)p->p_pid, args->fd);
|
|
#endif
|
|
|
|
if ((unsigned)args->fd >= fdp->fd_nfiles ||
|
|
(fp = fdp->fd_ofiles[args->fd]) == NULL)
|
|
return (EBADF);
|
|
|
|
switch (fp->f_type) {
|
|
case DTYPE_FIFO:
|
|
case DTYPE_VNODE:
|
|
error = vn_stat((struct vnode *)fp->f_data, &buf, p);
|
|
break;
|
|
case DTYPE_SOCKET:
|
|
error = soo_stat((struct socket *)fp->f_data, &buf);
|
|
break;
|
|
case DTYPE_PIPE:
|
|
error = pipe_stat((struct pipe *)fp->f_data, &buf);
|
|
break;
|
|
default:
|
|
panic("LINUX newfstat");
|
|
}
|
|
|
|
if (!error)
|
|
error = newstat_copyout(&buf, args->buf);
|
|
|
|
return (error);
|
|
}
|
|
|
|
struct linux_statfs_buf {
|
|
long ftype;
|
|
long fbsize;
|
|
long fblocks;
|
|
long fbfree;
|
|
long fbavail;
|
|
long ffiles;
|
|
long fffree;
|
|
linux_fsid_t ffsid;
|
|
long fnamelen;
|
|
long fspare[6];
|
|
};
|
|
|
|
int
|
|
linux_statfs(struct proc *p, struct linux_statfs_args *args)
|
|
{
|
|
struct mount *mp;
|
|
struct nameidata *ndp;
|
|
struct statfs *bsd_statfs;
|
|
struct nameidata nd;
|
|
struct linux_statfs_buf linux_statfs_buf;
|
|
int error;
|
|
caddr_t sg;
|
|
|
|
sg = stackgap_init();
|
|
CHECKALTEXIST(p, &sg, args->path);
|
|
|
|
#ifdef DEBUG
|
|
printf("Linux-emul(%d): statfs(%s, *)\n", p->p_pid, args->path);
|
|
#endif
|
|
ndp = &nd;
|
|
NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args->path, curproc);
|
|
error = namei(ndp);
|
|
if (error)
|
|
return error;
|
|
mp = ndp->ni_vp->v_mount;
|
|
bsd_statfs = &mp->mnt_stat;
|
|
vrele(ndp->ni_vp);
|
|
error = VFS_STATFS(mp, bsd_statfs, p);
|
|
if (error)
|
|
return error;
|
|
bsd_statfs->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
|
|
linux_statfs_buf.ftype = bsd_statfs->f_type;
|
|
linux_statfs_buf.fbsize = bsd_statfs->f_bsize;
|
|
linux_statfs_buf.fblocks = bsd_statfs->f_blocks;
|
|
linux_statfs_buf.fbfree = bsd_statfs->f_bfree;
|
|
linux_statfs_buf.fbavail = bsd_statfs->f_bavail;
|
|
linux_statfs_buf.fffree = bsd_statfs->f_ffree;
|
|
linux_statfs_buf.ffiles = bsd_statfs->f_files;
|
|
linux_statfs_buf.ffsid.val[0] = bsd_statfs->f_fsid.val[0];
|
|
linux_statfs_buf.ffsid.val[1] = bsd_statfs->f_fsid.val[1];
|
|
linux_statfs_buf.fnamelen = MAXNAMLEN;
|
|
return copyout((caddr_t)&linux_statfs_buf, (caddr_t)args->buf,
|
|
sizeof(struct linux_statfs_buf));
|
|
}
|
|
|
|
int
|
|
linux_fstatfs(struct proc *p, struct linux_fstatfs_args *args)
|
|
{
|
|
struct file *fp;
|
|
struct mount *mp;
|
|
struct statfs *bsd_statfs;
|
|
struct linux_statfs_buf linux_statfs_buf;
|
|
int error;
|
|
|
|
#ifdef DEBUG
|
|
printf("Linux-emul(%d): fstatfs(%d, *)\n", p->p_pid, args->fd);
|
|
#endif
|
|
error = getvnode(p->p_fd, args->fd, &fp);
|
|
if (error)
|
|
return error;
|
|
mp = ((struct vnode *)fp->f_data)->v_mount;
|
|
bsd_statfs = &mp->mnt_stat;
|
|
error = VFS_STATFS(mp, bsd_statfs, p);
|
|
if (error)
|
|
return error;
|
|
bsd_statfs->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
|
|
linux_statfs_buf.ftype = bsd_statfs->f_type;
|
|
linux_statfs_buf.fbsize = bsd_statfs->f_bsize;
|
|
linux_statfs_buf.fblocks = bsd_statfs->f_blocks;
|
|
linux_statfs_buf.fbfree = bsd_statfs->f_bfree;
|
|
linux_statfs_buf.fbavail = bsd_statfs->f_bavail;
|
|
linux_statfs_buf.fffree = bsd_statfs->f_ffree;
|
|
linux_statfs_buf.ffiles = bsd_statfs->f_files;
|
|
linux_statfs_buf.ffsid.val[0] = bsd_statfs->f_fsid.val[0];
|
|
linux_statfs_buf.ffsid.val[1] = bsd_statfs->f_fsid.val[1];
|
|
linux_statfs_buf.fnamelen = MAXNAMLEN;
|
|
return copyout((caddr_t)&linux_statfs_buf, (caddr_t)args->buf,
|
|
sizeof(struct linux_statfs_buf));
|
|
}
|