/* $NetBSD: cd9660_vnops.c,v 1.63 2024/02/02 20:27:26 christos Exp $ */

/* $NetBSD: cd9660_vnops.c,v 1.63 2024/02/02 20:27:26 christos Exp $ */

/*-
* Copyright (c) 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley
* by Pace Willisson ([email protected]). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai ([email protected]).
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)cd9660_vnops.c 8.15 (Berkeley) 5/27/95
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cd9660_vnops.c,v 1.63 2024/02/02 20:27:26 christos Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/resourcevar.h>
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <sys/malloc.h>
#include <sys/dirent.h>
#include <sys/kauth.h>

#include <miscfs/fifofs/fifo.h>
#include <miscfs/genfs/genfs.h>
#include <miscfs/specfs/specdev.h>

#include <fs/cd9660/iso.h>
#include <fs/cd9660/cd9660_extern.h>
#include <fs/cd9660/cd9660_node.h>
#include <fs/cd9660/cd9660_mount.h>
#include <fs/cd9660/iso_rrip.h>
#include <fs/cd9660/cd9660_mount.h>

/*
* Structure for reading directories
*/
struct isoreaddir {
struct dirent saveent;
struct dirent assocent;
struct dirent current;
off_t saveoff;
off_t assocoff;
off_t curroff;
struct uio *uio;
off_t uio_off;
int eofflag;
off_t *cookies;
int ncookies;
};

int iso_uiodir(struct isoreaddir *, struct dirent *, off_t);
int iso_shipdir(struct isoreaddir *);

static int
cd9660_check_possible(struct vnode *vp, struct iso_node *ip, accmode_t accmode)
{

/*
* Disallow write attempts unless the file is a socket,
* fifo, or a block or character device resident on the
* file system.
*/
if (accmode & VWRITE) {
switch (vp->v_type) {
case VDIR:
case VLNK:
case VREG:
return (EROFS);
default:
break;
}
}

return 0;
}

/*
* Check mode permission on inode pointer. Mode is READ, WRITE or EXEC.
* The mode is shifted to select the owner/group/other fields. The
* super user is granted all permissions.
*/
static int
cd9660_check_permitted(struct vnode *vp, struct iso_node *ip, accmode_t accmode,
kauth_cred_t cred)
{
accmode_t file_mode;
uid_t uid;
gid_t gid;

file_mode = ip->inode.iso_mode & ALLPERMS;
file_mode &= (vp->v_type == VDIR) ? ip->i_mnt->im_dmask : ip->i_mnt->im_fmask;

uid = (ip->i_mnt->im_flags & ISOFSMNT_UID) ?
ip->i_mnt->im_uid : ip->inode.iso_uid;
gid = (ip->i_mnt->im_flags & ISOFSMNT_GID) ?
ip->i_mnt->im_gid : ip->inode.iso_gid;

return kauth_authorize_vnode(cred, KAUTH_ACCESS_ACTION(accmode,
vp->v_type, file_mode), vp, NULL,
genfs_can_access(vp, cred, uid, gid,
file_mode, NULL, accmode));
}

int
cd9660_access(void *v)
{
struct vop_access_args /* {
struct vnode *a_vp;
accmode_t a_accmode;
kauth_cred_t a_cred;
} */ *ap = v;
struct vnode *vp = ap->a_vp;
struct iso_node *ip = VTOI(vp);
int error;

error = cd9660_check_possible(vp, ip, ap->a_accmode);
if (error)
return error;

error = cd9660_check_permitted(vp, ip, ap->a_accmode, ap->a_cred);

return error;
}

int
cd9660_getattr(void *v)
{
struct vop_getattr_args /* {
struct vnode *a_vp;
struct vattr *a_vap;
kauth_cred_t a_cred;
} */ *ap = v;
struct vnode *vp = ap->a_vp;
struct iso_node *ip = VTOI(vp);
struct vattr *vap = ap->a_vap;

vap->va_fsid = ip->i_dev;
vap->va_fileid = ip->i_number;

vap->va_mode = ip->inode.iso_mode & ALLPERMS;
vap->va_mode &= (vp->v_type == VDIR) ? ip->i_mnt->im_dmask : ip->i_mnt->im_fmask;
vap->va_nlink = ip->inode.iso_links;
vap->va_uid = (ip->i_mnt->im_flags & ISOFSMNT_UID) ?
ip->i_mnt->im_uid : ip->inode.iso_uid;
vap->va_gid = (ip->i_mnt->im_flags & ISOFSMNT_GID) ?
ip->i_mnt->im_gid : ip->inode.iso_gid;
vap->va_atime = ip->inode.iso_atime;
vap->va_mtime = ip->inode.iso_mtime;
vap->va_ctime = ip->inode.iso_ctime;
vap->va_rdev = ip->inode.iso_rdev;

vap->va_size = (u_quad_t) ip->i_size;
if (ip->i_size == 0 && vp->v_type == VLNK) {
struct vop_readlink_args rdlnk;
struct iovec aiov;
struct uio auio;
char *cp;

cp = (char *)malloc(MAXPATHLEN, M_TEMP, M_WAITOK);
aiov.iov_base = cp;
aiov.iov_len = MAXPATHLEN;
auio.uio_iov = &aiov;
auio.uio_iovcnt = 1;
auio.uio_offset = 0;
auio.uio_rw = UIO_READ;
auio.uio_resid = MAXPATHLEN;
UIO_SETUP_SYSSPACE(&auio);
rdlnk.a_uio = &auio;
rdlnk.a_vp = ap->a_vp;
rdlnk.a_cred = ap->a_cred;
if (cd9660_readlink(&rdlnk) == 0)
vap->va_size = MAXPATHLEN - auio.uio_resid;
free(cp, M_TEMP);
}
vap->va_flags = 0;
vap->va_gen = 1;
vap->va_blocksize = ip->i_mnt->logical_block_size;
vap->va_bytes = (u_quad_t) ip->i_size;
vap->va_type = vp->v_type;
return (0);
}

/*
* Vnode op for reading.
*/
int
cd9660_read(void *v)
{
struct vop_read_args /* {
struct vnode *a_vp;
struct uio *a_uio;
int a_ioflag;
kauth_cred_t a_cred;
} */ *ap = v;
struct vnode *vp = ap->a_vp;
struct uio *uio = ap->a_uio;
struct iso_node *ip = VTOI(vp);
struct iso_mnt *imp;
struct buf *bp;
daddr_t lbn, rablock;
off_t diff;
int rasize, error = 0;
long size, n, on;

if (uio->uio_resid == 0)
return (0);
if (uio->uio_offset < 0)
return (EINVAL);
if (uio->uio_offset >= ip->i_size)
return 0;
ip->i_flag |= IN_ACCESS;
imp = ip->i_mnt;

if (vp->v_type == VREG) {
const int advice = IO_ADV_DECODE(ap->a_ioflag);
error = 0;

while (uio->uio_resid > 0) {
vsize_t bytelen = MIN(ip->i_size - uio->uio_offset,
uio->uio_resid);

if (bytelen == 0)
break;
error = ubc_uiomove(&vp->v_uobj, uio, bytelen, advice,
UBC_READ | UBC_PARTIALOK | UBC_VNODE_FLAGS(vp));
if (error)
break;
}
goto out;
}

do {
lbn = cd9660_lblkno(imp, uio->uio_offset);
on = cd9660_blkoff(imp, uio->uio_offset);
n = MIN(imp->logical_block_size - on, uio->uio_resid);
diff = (off_t)ip->i_size - uio->uio_offset;
if (diff <= 0)
return (0);
if (diff < n)
n = diff;
size = cd9660_blksize(imp, ip, lbn);
rablock = lbn + 1;
if (cd9660_lblktosize(imp, rablock) < ip->i_size) {
rasize = cd9660_blksize(imp, ip, rablock);
error = breadn(vp, lbn, size, &rablock,
&rasize, 1, 0, &bp);
} else {
error = bread(vp, lbn, size, 0, &bp);
}
if (error) {
return (error);
}
n = MIN(n, size - bp->b_resid);

error = uiomove((char *)bp->b_data + on, (int)n, uio);
brelse(bp, 0);
} while (error == 0 && uio->uio_resid > 0 && n != 0);

out:
return (error);
}

int
iso_uiodir(struct isoreaddir *idp, struct dirent *dp, off_t off)
{
int error;

dp->d_name[dp->d_namlen] = 0;
dp->d_reclen = _DIRENT_SIZE(dp);

if (idp->uio->uio_resid < dp->d_reclen) {
idp->eofflag = 0;
return (-1);
}

if (idp->cookies) {
if (idp->ncookies <= 0) {
idp->eofflag = 0;
return (-1);
}

*idp->cookies++ = off;
--idp->ncookies;
}

if ((error = uiomove(dp, dp->d_reclen, idp->uio)) != 0)
return (error);
idp->uio_off = off;
return (0);
}

int
iso_shipdir(struct isoreaddir *idp)
{
struct dirent *dp;
int cl, sl, assoc;
int error;
char *cname, *sname;

cl = idp->current.d_namlen;
cname = idp->current.d_name;

assoc = (cl > 1) && (*cname == ASSOCCHAR);
if (assoc) {
cl--;
cname++;
}

dp = &idp->saveent;
sname = dp->d_name;
if (!(sl = dp->d_namlen)) {
dp = &idp->assocent;
sname = dp->d_name + 1;
sl = dp->d_namlen - 1;
}
if (sl > 0) {
if (sl != cl
|| memcmp(sname, cname, sl)) {
if (idp->assocent.d_namlen) {
error = iso_uiodir(idp, &idp->assocent,
idp->assocoff);
if (error)
return (error);
idp->assocent.d_namlen = 0;
}
if (idp->saveent.d_namlen) {
error = iso_uiodir(idp, &idp->saveent,
idp->saveoff);
if (error)
return (error);
idp->saveent.d_namlen = 0;
}
}
}
idp->current.d_reclen = _DIRENT_SIZE(&idp->current);
if (assoc) {
idp->assocoff = idp->curroff;
memcpy(&idp->assocent, &idp->current, idp->current.d_reclen);
} else {
idp->saveoff = idp->curroff;
memcpy(&idp->saveent, &idp->current, idp->current.d_reclen);
}
return (0);
}

/*
* Vnode op for readdir
*/
int
cd9660_readdir(void *v)
{
struct vop_readdir_args /* {
struct vnode *a_vp;
struct uio *a_uio;
kauth_cred_t a_cred;
int *a_eofflag;
off_t **a_cookies;
int *a_ncookies;
} */ *ap = v;
struct uio *uio = ap->a_uio;
struct isoreaddir *idp;
struct vnode *vdp = ap->a_vp;
struct iso_node *dp;
struct iso_mnt *imp;
struct buf *bp = NULL;
struct iso_directory_record *ep;
int entryoffsetinblock;
doff_t endsearch;
u_long bmask;
int error = 0;
int reclen;
u_short namelen;
off_t *cookies = NULL;
int ncookies = 0;

if (vdp->v_type != VDIR)
return (ENOTDIR);

dp = VTOI(vdp);
imp = dp->i_mnt;
bmask = imp->im_bmask;

idp = malloc(sizeof(*idp), M_TEMP, M_WAITOK | M_ZERO);
idp->saveent.d_namlen = idp->assocent.d_namlen = 0;
/*
* XXX
* Is it worth trying to figure out the type?
*/
idp->saveent.d_type = idp->assocent.d_type = idp->current.d_type =
DT_UNKNOWN;
idp->uio = uio;
if (ap->a_ncookies == NULL)
idp->cookies = NULL;
else {
ncookies = uio->uio_resid / _DIRENT_MINSIZE((struct dirent *)0);
cookies = malloc(ncookies * sizeof(off_t), M_TEMP, M_WAITOK);
idp->cookies = cookies;
idp->ncookies = ncookies;
}
idp->eofflag = 1;
idp->curroff = uio->uio_offset;

if ((entryoffsetinblock = idp->curroff & bmask) &&
(error = cd9660_blkatoff(vdp, (off_t)idp->curroff, NULL, &bp))) {
free(idp, M_TEMP);
return (error);
}
endsearch = dp->i_size;

while (idp->curroff < endsearch) {
/*
* If offset is on a block boundary,
* read the next directory block.
* Release previous if it exists.
*/
if ((idp->curroff & bmask) == 0) {
if (bp != NULL)
brelse(bp, 0);
error = cd9660_blkatoff(vdp, (off_t)idp->curroff,
NULL, &bp);
if (error)
break;
entryoffsetinblock = 0;
}
/*
* Get pointer to next entry.
*/
KASSERT(bp != NULL);
ep = (struct iso_directory_record *)
((char *)bp->b_data + entryoffsetinblock);

reclen = isonum_711(ep->length);
if (reclen == 0) {
/* skip to next block, if any */
idp->curroff =
(idp->curroff & ~bmask) + imp->logical_block_size;
continue;
}

if (reclen < ISO_DIRECTORY_RECORD_SIZE) {
error = EINVAL;
/* illegal entry, stop */
break;
}

if (entryoffsetinblock + reclen > imp->logical_block_size) {
error = EINVAL;
/* illegal directory, so stop looking */
break;
}

idp->current.d_namlen = isonum_711(ep->name_len);

if (reclen < ISO_DIRECTORY_RECORD_SIZE + idp->current.d_namlen) {
error = EINVAL;
/* illegal entry, stop */
break;
}

if (isonum_711(ep->flags)&2)
idp->current.d_fileno = isodirino(ep, imp);
else
idp->current.d_fileno = dbtob(bp->b_blkno) +
entryoffsetinblock;

idp->curroff += reclen;

switch (imp->iso_ftype) {
case ISO_FTYPE_RRIP:
cd9660_rrip_getname(ep, idp->current.d_name, &namelen,
&idp->current.d_fileno, imp);
idp->current.d_namlen = (u_char)namelen;
if (idp->current.d_namlen)
error = iso_uiodir(idp, &idp->current,
idp->curroff);
break;
default: /* ISO_FTYPE_DEFAULT || ISO_FTYPE_9660 */
isofntrans(ep->name, idp->current.d_namlen,
idp->current.d_name, &namelen,
imp->iso_ftype == ISO_FTYPE_9660,
(imp->im_flags & ISOFSMNT_NOCASETRANS) == 0,
isonum_711(ep->flags)&4,
imp->im_joliet_level);
switch (idp->current.d_name[0]) {
case 0:
idp->current.d_name[0] = '.';
idp->current.d_namlen = 1;
error = iso_uiodir(idp, &idp->current,
idp->curroff);
break;
case 1:
strlcpy(idp->current.d_name, "..",
sizeof(idp->current.d_name));
idp->current.d_namlen = 2;
error = iso_uiodir(idp, &idp->current,
idp->curroff);
break;
default:
idp->current.d_namlen = (u_char)namelen;
if (imp->iso_ftype == ISO_FTYPE_DEFAULT)
error = iso_shipdir(idp);
else
error = iso_uiodir(idp, &idp->current,
idp->curroff);
break;
}
}
if (error)
break;

entryoffsetinblock += reclen;
}

if (!error && imp->iso_ftype == ISO_FTYPE_DEFAULT) {
idp->current.d_namlen = 0;
error = iso_shipdir(idp);
}
if (error < 0)
error = 0;

if (ap->a_ncookies != NULL) {
if (error)
free(cookies, M_TEMP);
else {
/*
* Work out the number of cookies actually used.
*/
*ap->a_ncookies = ncookies - idp->ncookies;
*ap->a_cookies = cookies;
}
}

if (bp)
brelse(bp, 0);

uio->uio_offset = idp->uio_off;
*ap->a_eofflag = idp->eofflag;

free(idp, M_TEMP);

return (error);
}

/*
* Return target name of a symbolic link
* Shouldn't we get the parent vnode and read the data from there?
* This could eventually result in deadlocks in cd9660_lookup.
* But otherwise the block read here is in the block buffer two times.
*/
typedef struct iso_directory_record ISODIR;
typedef struct iso_node ISONODE;
typedef struct iso_mnt ISOMNT;

int
cd9660_readlink(void *v)
{
struct vop_readlink_args /* {
struct vnode *a_vp;
struct uio *a_uio;
kauth_cred_t a_cred;
} */ *ap = v;
ISONODE *ip;
ISODIR *dirp;
ISOMNT *imp;
struct buf *bp;
struct uio *uio;
u_short symlen;
int error;
char *symname;
bool use_pnbuf;

ip = VTOI(ap->a_vp);
imp = ip->i_mnt;
uio = ap->a_uio;

if (imp->iso_ftype != ISO_FTYPE_RRIP)
return (EINVAL);

/*
* Get parents directory record block that this inode included.
*/
error = bread(imp->im_devvp,
(ip->i_number >> imp->im_bshift) <<
(imp->im_bshift - DEV_BSHIFT),
imp->logical_block_size, 0, &bp);
if (error) {
return (EINVAL);
}

/*
* Setup the directory pointer for this inode
*/
dirp = (ISODIR *)((char *)bp->b_data + (ip->i_number & imp->im_bmask));

/*
* Just make sure, we have a right one....
* 1: Check not cross boundary on block
*/
if ((ip->i_number & imp->im_bmask) + isonum_711(dirp->length)
> imp->logical_block_size) {
brelse(bp, 0);
return (EINVAL);
}

/*
* Now get a buffer
* Abuse a namei buffer for now.
*/
use_pnbuf = !VMSPACE_IS_KERNEL_P(uio->uio_vmspace) ||
uio->uio_iov->iov_len < MAXPATHLEN;
if (use_pnbuf) {
symname = PNBUF_GET();
} else {
symname = uio->uio_iov->iov_base;
}

/*
* Ok, we just gathering a symbolic name in SL record.
*/
if (cd9660_rrip_getsymname(dirp, symname, &symlen, imp) == 0) {
if (use_pnbuf) {
PNBUF_PUT(symname);
}
brelse(bp, 0);
return (EINVAL);
}
/*
* Don't forget before you leave from home ;-)
*/
brelse(bp, 0);

/*
* return with the symbolic name to caller's.
*/
if (use_pnbuf) {
error = uiomove(symname, symlen, uio);
PNBUF_PUT(symname);
return (error);
}
uio->uio_resid -= symlen;
uio->uio_iov->iov_base = (char *)uio->uio_iov->iov_base + symlen;
uio->uio_iov->iov_len -= symlen;
return (0);
}

/*
* Calculate the logical to physical mapping if not done already,
* then call the device strategy routine.
*/
int
cd9660_strategy(void *v)
{
struct vop_strategy_args /* {
struct vnode *a_vp;
struct buf *a_bp;
} */ *ap = v;
struct buf *bp = ap->a_bp;
struct vnode *vp = ap->a_vp;
struct iso_node *ip;
int error;

ip = VTOI(vp);
if (vp->v_type == VBLK || vp->v_type == VCHR)
panic("cd9660_strategy: spec");
if (bp->b_blkno == bp->b_lblkno) {
error = VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL);
if (error) {
bp->b_error = error;
biodone(bp);
return (error);
}
if ((long)bp->b_blkno == -1)
clrbuf(bp);
}
if ((long)bp->b_blkno == -1) {
biodone(bp);
return (0);
}
vp = ip->i_mnt->im_devvp;
return (VOP_STRATEGY(vp, bp));
}

/*
* Print out the contents of an inode.
*/
/*ARGSUSED*/
int
cd9660_print(void *v)
{

printf("tag VT_ISOFS, isofs vnode\n");
return (0);
}

/*
* Return POSIX pathconf information applicable to cd9660 filesystems.
*/
int
cd9660_pathconf(void *v)
{
struct vop_pathconf_args /* {
struct vnode *a_vp;
int a_name;
register_t *a_retval;
} */ *ap = v;
switch (ap->a_name) {
case _PC_LINK_MAX:
*ap->a_retval = 1;
return (0);
case _PC_NAME_MAX:
if (VTOI(ap->a_vp)->i_mnt->iso_ftype == ISO_FTYPE_RRIP)
*ap->a_retval = ISO_MAXNAMLEN;
else
*ap->a_retval = 37;
return (0);
case _PC_PATH_MAX:
*ap->a_retval = PATH_MAX;
return (0);
case _PC_PIPE_BUF:
*ap->a_retval = PIPE_BUF;
return (0);
case _PC_CHOWN_RESTRICTED:
*ap->a_retval = 1;
return (0);
case _PC_NO_TRUNC:
*ap->a_retval = 1;
return (0);
case _PC_SYNC_IO:
*ap->a_retval = 1;
return (0);
case _PC_FILESIZEBITS:
*ap->a_retval = 32;
return (0);
default:
return genfs_pathconf(ap);
}
/* NOTREACHED */
}

/*
* Allow changing the size for special files (and fifos).
*/
int
cd9660_setattr(void *v)
{
struct vop_setattr_args /* {
struct vnodeop_desc *a_desc;
struct vnode *a_vp;
struct vattr *a_vap;
kauth_cred_t a_cred;
struct proc *a_p;
} */ *ap = v;
struct vattr *vap = ap->a_vap;
struct vnode *vp = ap->a_vp;

/*
* Only size is changeable.
*/
if (vap->va_type != VNON
|| vap->va_nlink != (nlink_t)VNOVAL
|| vap->va_fsid != VNOVAL
|| vap->va_fileid != VNOVAL
|| vap->va_blocksize != VNOVAL
|| vap->va_rdev != (dev_t)VNOVAL
|| (int)vap->va_bytes != VNOVAL
|| vap->va_gen != VNOVAL
|| vap->va_flags != VNOVAL
|| vap->va_uid != (uid_t)VNOVAL
|| vap->va_gid != (gid_t)VNOVAL
|| vap->va_atime.tv_sec != VNOVAL
|| vap->va_mtime.tv_sec != VNOVAL
|| vap->va_mode != (mode_t)VNOVAL)
return EOPNOTSUPP;

if (vap->va_size != VNOVAL
&& vp->v_type != VCHR
&& vp->v_type != VBLK
&& vp->v_type != VFIFO)
return EOPNOTSUPP;

return 0;
}

/*
* Global vfs data structures for cd9660
*/
int (**cd9660_vnodeop_p)(void *);
const struct vnodeopv_entry_desc cd9660_vnodeop_entries[] = {
{ &vop_default_desc, vn_default_error },
{ &vop_parsepath_desc, genfs_parsepath }, /* parsepath */
{ &vop_lookup_desc, cd9660_lookup }, /* lookup */
{ &vop_create_desc, genfs_eopnotsupp }, /* create */
{ &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */
{ &vop_open_desc, genfs_nullop }, /* open */
{ &vop_close_desc, genfs_nullop }, /* close */
{ &vop_access_desc, cd9660_access }, /* access */
{ &vop_accessx_desc, genfs_accessx }, /* accessx */
{ &vop_getattr_desc, cd9660_getattr }, /* getattr */
{ &vop_setattr_desc, cd9660_setattr }, /* setattr */
{ &vop_read_desc, cd9660_read }, /* read */
{ &vop_write_desc, genfs_eopnotsupp }, /* write */
{ &vop_fallocate_desc, genfs_eopnotsupp }, /* fallocate */
{ &vop_fdiscard_desc, genfs_eopnotsupp }, /* fdiscard */
{ &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
{ &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
{ &vop_poll_desc, genfs_poll }, /* poll */
{ &vop_revoke_desc, genfs_revoke }, /* revoke */
{ &vop_mmap_desc, genfs_mmap }, /* mmap */
{ &vop_fsync_desc, genfs_nullop }, /* fsync */
{ &vop_seek_desc, genfs_seek }, /* seek */
{ &vop_remove_desc, genfs_eopnotsupp }, /* remove */
{ &vop_link_desc, genfs_erofs_link }, /* link */
{ &vop_rename_desc, genfs_eopnotsupp }, /* rename */
{ &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
{ &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
{ &vop_symlink_desc, genfs_erofs_symlink }, /* symlink */
{ &vop_readdir_desc, cd9660_readdir }, /* readdir */
{ &vop_readlink_desc, cd9660_readlink }, /* readlink */
{ &vop_abortop_desc, genfs_abortop }, /* abortop */
{ &vop_inactive_desc, cd9660_inactive }, /* inactive */
{ &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
{ &vop_lock_desc, genfs_lock }, /* lock */
{ &vop_unlock_desc, genfs_unlock }, /* unlock */
{ &vop_bmap_desc, cd9660_bmap }, /* bmap */
{ &vop_strategy_desc, cd9660_strategy }, /* strategy */
{ &vop_print_desc, cd9660_print }, /* print */
{ &vop_islocked_desc, genfs_islocked }, /* islocked */
{ &vop_pathconf_desc, cd9660_pathconf }, /* pathconf */
{ &vop_advlock_desc, genfs_einval }, /* advlock */
{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */
{ &vop_getpages_desc, genfs_getpages }, /* getpages */
{ &vop_putpages_desc, genfs_putpages }, /* putpages */
{ NULL, NULL }
};
const struct vnodeopv_desc cd9660_vnodeop_opv_desc =
{ &cd9660_vnodeop_p, cd9660_vnodeop_entries };

/*
* Special device vnode ops
*/
int (**cd9660_specop_p)(void *);
const struct vnodeopv_entry_desc cd9660_specop_entries[] = {
{ &vop_default_desc, vn_default_error },
GENFS_SPECOP_ENTRIES,
{ &vop_close_desc, spec_close }, /* close */
{ &vop_access_desc, cd9660_access }, /* access */
{ &vop_accessx_desc, genfs_accessx }, /* accessx */
{ &vop_getattr_desc, cd9660_getattr }, /* getattr */
{ &vop_setattr_desc, cd9660_setattr }, /* setattr */
{ &vop_read_desc, spec_read }, /* read */
{ &vop_write_desc, spec_write }, /* write */
{ &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
{ &vop_fsync_desc, spec_fsync }, /* fsync */
{ &vop_inactive_desc, cd9660_inactive }, /* inactive */
{ &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
{ &vop_lock_desc, genfs_lock }, /* lock */
{ &vop_unlock_desc, genfs_unlock }, /* unlock */
{ &vop_print_desc, cd9660_print }, /* print */
{ &vop_islocked_desc, genfs_islocked }, /* islocked */
{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */
{ NULL, NULL }
};
const struct vnodeopv_desc cd9660_specop_opv_desc =
{ &cd9660_specop_p, cd9660_specop_entries };

int (**cd9660_fifoop_p)(void *);
const struct vnodeopv_entry_desc cd9660_fifoop_entries[] = {
{ &vop_default_desc, vn_default_error },
GENFS_FIFOOP_ENTRIES,
{ &vop_close_desc, vn_fifo_bypass }, /* close */
{ &vop_access_desc, cd9660_access }, /* access */
{ &vop_accessx_desc, genfs_accessx }, /* accessx */
{ &vop_getattr_desc, cd9660_getattr }, /* getattr */
{ &vop_setattr_desc, cd9660_setattr }, /* setattr */
{ &vop_read_desc, vn_fifo_bypass }, /* read */
{ &vop_write_desc, vn_fifo_bypass }, /* write */
{ &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
{ &vop_fsync_desc, vn_fifo_bypass }, /* fsync */
{ &vop_inactive_desc, cd9660_inactive }, /* inactive */
{ &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
{ &vop_lock_desc, genfs_lock }, /* lock */
{ &vop_unlock_desc, genfs_unlock }, /* unlock */
{ &vop_strategy_desc, vn_fifo_bypass }, /* strategy */
{ &vop_print_desc, cd9660_print }, /* print */
{ &vop_islocked_desc, genfs_islocked }, /* islocked */
{ &vop_bwrite_desc, vn_bwrite }, /* bwrite */
{ NULL, NULL }
};
const struct vnodeopv_desc cd9660_fifoop_opv_desc =
{ &cd9660_fifoop_p, cd9660_fifoop_entries };