/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* $NetBSD: cd9660_vfsops.c,v 1.18 1995/03/09 12:05:36 mycroft Exp $ */
#include <sys/param.h>
#include <sys/systm.h>
-#include <sys/vnode.h>
+#include <sys/vnode_internal.h>
#include <sys/mount.h>
#include <sys/namei.h>
#include <sys/proc.h>
+#include <sys/kauth.h>
#include <sys/kernel.h>
#include <miscfs/specfs/specdev.h>
#include <sys/buf.h>
#include <sys/file.h>
#include <sys/ioctl.h>
-#include <dev/disk.h>
+#include <sys/disk.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/stat.h>
#include <sys/ubc.h>
#include <sys/utfconv.h>
-#include <architecture/byte_order.h>
#include <isofs/cd9660/iso.h>
#include <isofs/cd9660/iso_rrip.h>
#include <isofs/cd9660/cd9660_node.h>
#include <isofs/cd9660/cd9660_mount.h>
-u_char isonullname[] = "\0";
+/*
+ * Minutes, Seconds, Frames (M:S:F)
+ */
+struct CDMSF {
+ u_char minute;
+ u_char second;
+ u_char frame;
+};
+
+/*
+ * Table Of Contents
+ */
+struct CDTOC_Desc {
+ u_char session;
+ u_char ctrl_adr; /* typed to be machine and compiler independent */
+ u_char tno;
+ u_char point;
+ struct CDMSF address;
+ u_char zero;
+ struct CDMSF p;
+};
-extern int enodev ();
+struct CDTOC {
+ u_short length; /* in native cpu endian */
+ u_char first_session;
+ u_char last_session;
+ struct CDTOC_Desc trackdesc[1];
+};
+
+#define MSF_TO_LBA(msf) \
+ (((((msf).minute * 60UL) + (msf).second) * 75UL) + (msf).frame - 150)
+
+u_char isonullname[] = "\0";
struct vfsops cd9660_vfsops = {
cd9660_mount,
cd9660_start,
cd9660_unmount,
cd9660_root,
- cd9660_quotactl,
- cd9660_statfs,
+ NULL, /* quotactl */
+ cd9660_vfs_getattr,
cd9660_sync,
cd9660_vget,
cd9660_fhtovp,
cd9660_vptofh,
cd9660_init,
- cd9660_sysctl
+ cd9660_sysctl,
+ NULL,
+ {NULL}
};
/*
*/
#define ROOTNAME "root_device"
-static int iso_mountfs __P((struct vnode *devvp, struct mount *mp,
- struct proc *p, struct iso_args *argp));
+static int iso_mountfs(struct vnode *devvp, struct mount *mp, struct user_iso_args *argp,
+ vfs_context_t context);
static void DRGetTypeCreatorAndFlags(
struct iso_mnt * theMountPointPtr,
u_int32_t * theCreatorPtr,
u_int16_t * theFlagsPtr);
-int cd9660_vget_internal(
- struct mount *mp,
- ino_t ino,
- struct vnode **vpp,
- int relocated,
- struct iso_directory_record *isodir,
- struct proc *p);
-
int
-cd9660_mountroot()
+cd9660_mountroot(mount_t mp, vnode_t rvp, vfs_context_t context)
{
- register struct mount *mp;
- extern struct vnode *rootvp;
- struct proc *p = current_proc(); /* XXX */
- struct iso_mnt *imp;
- size_t size;
- int error;
- struct iso_args args;
-
- /*
- * Get vnodes for swapdev and rootdev.
- */
- if ( bdevvp(rootdev, &rootvp))
- panic("cd9660_mountroot: can't setup bdevvp's");
-
- MALLOC_ZONE(mp, struct mount *,
- sizeof(struct mount), M_MOUNT, M_WAITOK);
- bzero((char *)mp, (u_long)sizeof(struct mount));
-
- /* Initialize the default IO constraints */
- mp->mnt_maxreadcnt = mp->mnt_maxwritecnt = MAXPHYS;
- mp->mnt_segreadcnt = mp->mnt_segwritecnt = 32;
+ int error;
+ struct user_iso_args args;
- mp->mnt_op = &cd9660_vfsops;
- mp->mnt_flag = MNT_RDONLY;
- LIST_INIT(&mp->mnt_vnodelist);
args.flags = ISOFSMNT_ROOT;
args.ssector = 0;
- if ((error = iso_mountfs(rootvp, mp, p, &args))) {
- FREE_ZONE(mp, sizeof (struct mount), M_MOUNT);
+ args.toc_length = 0;
+ args.toc = USER_ADDR_NULL;
+
+ if ((error = iso_mountfs(rvp, mp, &args, context)))
return (error);
- }
- simple_lock(&mountlist_slock);
- CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list);
- simple_unlock(&mountlist_slock);
- mp->mnt_vnodecovered = NULLVP;
- imp = VFSTOISOFS(mp);
- (void) copystr("/", mp->mnt_stat.f_mntonname, MNAMELEN - 1,
- &size);
- bzero(mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
- (void) copystr(ROOTNAME, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
- &size);
- bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
- (void)cd9660_statfs(mp, &mp->mnt_stat, p);
+
+ (void)cd9660_statfs(mp, vfs_statfs(mp), context);
+
return (0);
}
* mount system call
*/
int
-cd9660_mount(mp, path, data, ndp, p)
- register struct mount *mp;
- char *path;
- caddr_t data;
- struct nameidata *ndp;
- struct proc *p;
+cd9660_mount(mount_t mp, vnode_t devvp, user_addr_t data, vfs_context_t context)
{
- struct vnode *devvp;
- struct iso_args args;
- size_t size;
+ struct user_iso_args args;
int error;
struct iso_mnt *imp = NULL;
-
- if ((error = copyin(data, (caddr_t)&args, sizeof (struct iso_args))))
+
+ if (vfs_context_is64bit(context)) {
+ error = copyin(data, (caddr_t)&args, sizeof(args));
+ }
+ else {
+ struct iso_args temp;
+ error = copyin(data, (caddr_t)&temp, sizeof(temp));
+ args.flags = temp.flags;
+ args.ssector = temp.ssector;
+ args.toc_length = temp.toc_length;
+ args.toc = CAST_USER_ADDR_T(temp.toc);
+ }
+ if (error)
return (error);
- if ((mp->mnt_flag & MNT_RDONLY) == 0)
+ if (vfs_isrdwr(mp))
return (EROFS);
/*
* If updating, check whether changing from read-only to
* read/write; if there is no device name, that's all we do.
*/
- if (mp->mnt_flag & MNT_UPDATE) {
+ if (vfs_isupdate(mp)) {
imp = VFSTOISOFS(mp);
- if (args.fspec == 0)
- return (vfs_export(mp, &imp->im_export, &args.export));
+ if (devvp == 0)
+ return (0);
}
- /*
- * Not an update, or updating the name: look up the name
- * and verify that it refers to a sensible block device.
- */
- NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p);
- if ((error = namei(ndp)))
- return (error);
- devvp = ndp->ni_vp;
-
- if (devvp->v_type != VBLK) {
- vrele(devvp);
- return (ENOTBLK);
- }
- if (major(devvp->v_rdev) >= nblkdev) {
- vrele(devvp);
- return (ENXIO);
- }
- if ((mp->mnt_flag & MNT_UPDATE) == 0)
- error = iso_mountfs(devvp, mp, p, &args);
+ if ( !vfs_isupdate(mp))
+ error = iso_mountfs(devvp, mp, &args, context);
else {
if (devvp != imp->im_devvp)
error = EINVAL; /* needs translation */
- else
- vrele(devvp);
}
if (error) {
- vrele(devvp);
return (error);
}
- /* Set the mount flag to indicate that we support volfs */
- mp->mnt_flag |= MNT_DOVOLFS;
+ /* Indicate that we don't support volfs */
+ vfs_clearflags(mp, MNT_DOVOLFS);
- (void) copyinstr(path, mp->mnt_stat.f_mntonname, MNAMELEN - 1, &size);
- bzero(mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
- (void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
- &size);
- bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
return (0);
}
+/*
+ * Find the BSD device for the physical disk corresponding to the
+ * mount point's device. We use this physical device to read whole
+ * (2352 byte) sectors from the CD to get the content for the video
+ * files (tracks).
+ *
+ * The "path" argument is the path to the block device that the volume
+ * is being mounted on (args.fspec). It should be of the form:
+ * /dev/disk1s0
+ * where the last "s0" part is stripped off to determine the physical
+ * device's path. It is assumed to be in user memory.
+ */
+static struct vnode *
+cd9660_phys_device(mount_t mp, vfs_context_t context)
+{
+ int err;
+ char whole_path[64]; // path to "whole" device
+ char *s, *saved;
+ struct nameidata nd;
+ struct vnode *result;
+ struct vfsstatfs * sfs;
+
+ sfs = vfs_statfs(mp);
+ result = NULL;
+
+ if (strlen(sfs->f_mntfromname) >= sizeof(whole_path))
+ return (NULL);
+
+ /* Make a copy of the mount from name, then remove trailing "s...". */
+ strlcpy(whole_path, sfs->f_mntfromname, sizeof(whole_path));
+
+ /*
+ * I would use strrchr or rindex here, but those are declared __private_extern__,
+ * and can't be used across component boundaries at this time.
+ */
+ for (s=whole_path, saved=NULL; *s; ++s)
+ if (*s == 's')
+ saved = s;
+ *saved = '\0';
+
+ /* Lookup the "whole" device. */
+ NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, CAST_USER_ADDR_T(whole_path), context);
+ err = namei(&nd);
+ if (err) {
+ printf("isofs: Cannot find physical device: %s\n", whole_path);
+ goto done;
+ }
+ nameidone(&nd);
+
+ /* Open the "whole" device. */
+ err = VNOP_OPEN(nd.ni_vp, FREAD, context);
+ if (err) {
+ vnode_put(nd.ni_vp);
+ printf("isofs: Cannot open physical device: %s\n", whole_path);
+ goto done;
+ }
+ result = nd.ni_vp;
+done:
+ return result;
+}
+
+
+/*
+ * See if the given CD-ROM XA disc appears to be a Video CD
+ * (version < 2.0; so, not SVCD). If so, fill in the extent
+ * information for the MPEGAV directory, set the VCD flag,
+ * and return true.
+ */
+static int
+cd9660_find_video_dir(struct iso_mnt *isomp)
+{
+ int result, err;
+ struct vnode *rvp = NULL;
+ struct vnode *videovp = NULL;
+ struct componentname cn;
+ char dirname[] = "MPEGAV";
+
+ result = 0; /* Assume not a video CD */
+
+ err = cd9660_root(isomp->im_mountp, &rvp, NULL);
+ if (err) {
+ printf("cd9660_find_video_dir: cd9660_root failed (%d)\n", err);
+ return 0; /* couldn't find video dir */
+ }
+
+ cn.cn_nameiop = LOOKUP;
+ cn.cn_flags = ISLASTCN;
+ cn.cn_context = vfs_context_current();
+ cn.cn_pnbuf = dirname;
+ cn.cn_pnlen = sizeof(dirname)-1;
+ cn.cn_nameptr = cn.cn_pnbuf;
+ cn.cn_namelen = cn.cn_pnlen;
+
+ err = VNOP_LOOKUP(rvp, &videovp, &cn, cn.cn_context);
+ if (err == 0) {
+ struct iso_node *ip = VTOI(videovp);
+ result = 1; /* Looks like video CD */
+ isomp->video_dir_start = ip->iso_start;
+ isomp->video_dir_end = ip->iso_start + (ip->i_size >> isomp->im_bshift);
+ isomp->im_flags2 |= IMF2_IS_VCD;
+
+ vnode_put(videovp);
+ }
+ vnode_put(rvp);
+
+ return result;
+}
+
/*
* Common code for mount and mountroot
*/
static int
-iso_mountfs(devvp, mp, p, argp)
- register struct vnode *devvp;
- struct mount *mp;
- struct proc *p;
- struct iso_args *argp;
+iso_mountfs(struct vnode *devvp, struct mount *mp, struct user_iso_args *argp,
+ vfs_context_t context)
{
- register struct iso_mnt *isomp = (struct iso_mnt *)0;
+ struct iso_mnt *isomp = (struct iso_mnt *)0;
struct buf *bp = NULL;
struct buf *pribp = NULL, *supbp = NULL;
- dev_t dev = devvp->v_rdev;
+ dev_t dev = vnode_specrdev(devvp);
int error = EINVAL;
int breaderr = 0;
- int needclose = 0;
- extern struct vnode *rootvp;
- u_long iso_bsize;
+ u_long iso_bsize, orig_bsize;
int iso_blknum;
int joliet_level;
struct iso_volume_descriptor *vdp = NULL;
u_int8_t vdtype;
int blkoff = argp->ssector;
- if (!(mp->mnt_flag & MNT_RDONLY))
+ if (vfs_isrdwr(mp))
return (EROFS);
- /*
- * Disallow multiple mounts of the same device.
- * Disallow mounting of a device that is currently in use
- * (except for root, which might share swap device for miniroot).
- * Flush out any old buffers remaining from a previous use.
- */
- if ((error = vfs_mountedon(devvp)))
- return (error);
- if (vcount(devvp) > 1 && devvp != rootvp)
- return (EBUSY);
- if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)))
- return (error);
+ /* Advisory locking should be handled at the VFS layer */
+ vfs_setlocklocal(mp);
+
+ /* Finish initializing hash tables */
+ cd9660_hashinit();
- if ((error = VOP_OPEN(devvp, FREAD, FSCRED, p)))
+ if ((error = VNOP_IOCTL(devvp, DKIOCGETBLOCKSIZE,
+ (caddr_t)&orig_bsize, 0, context)))
return (error);
- needclose = 1;
/* This is the "logical sector size". The standard says this
* should be 2048 or the physical sector size on the device,
iso_bsize = ISO_DEFAULT_BLOCK_SIZE;
/* tell IOKit that we're assuming 2K sectors */
- if ((error = VOP_IOCTL(devvp, DKIOCSETBLOCKSIZE,
- (caddr_t)&iso_bsize, FWRITE, p->p_ucred, p)))
+ if ((error = VNOP_IOCTL(devvp, DKIOCSETBLOCKSIZE,
+ (caddr_t)&iso_bsize, FWRITE, context)))
return (error);
- devvp->v_specsize = iso_bsize;
+
joliet_level = 0;
for (iso_blknum = 16 + blkoff; iso_blknum < (100 + blkoff); iso_blknum++) {
- if ((error = bread(devvp, iso_blknum, iso_bsize, NOCRED, &bp))) {
+ if ((error = (int)buf_bread(devvp, (daddr64_t)((unsigned)iso_blknum), iso_bsize, NOCRED, &bp))) {
if (bp) {
- bp->b_flags |= B_AGE;
- brelse(bp);
+ buf_markaged(bp);
+ buf_brelse(bp);
bp = NULL;
}
breaderr = error;
- printf("iso_mountfs: bread error %d reading block %d\n", error, iso_blknum);
+ printf("iso_mountfs: buf_bread error %d reading block %d\n", error, iso_blknum);
continue;
}
- vdp = (struct iso_volume_descriptor *)bp->b_data;
+ vdp = (struct iso_volume_descriptor *)((char *)0 + buf_dataptr(bp));
if (bcmp (vdp->volume_desc_id, ISO_STANDARD_ID, sizeof(vdp->volume_desc_id)) != 0) {
#ifdef DEBUG
printf("cd9660_vfsops.c: iso_mountfs: "
"Invalid ID in volume desciptor.\n");
#endif
+ /* There should be a primary volume descriptor followed by any
+ * secondary volume descriptors, then an end volume descriptor.
+ * Some discs are mastered without an end volume descriptor or
+ * they have the type field set and the volume descriptor ID is
+ * not set. If we at least found a primary volume descriptor,
+ * mount the disc.
+ */
+ if (pri != NULL)
+ break;
+
error = EINVAL;
goto out;
}
}
if (bp) {
- bp->b_flags |= B_AGE;
- brelse(bp);
+ buf_markaged(bp);
+ buf_brelse(bp);
bp = NULL;
}
}
if (bp) {
- bp->b_flags |= B_AGE;
- brelse(bp);
+ buf_markaged(bp);
+ buf_brelse(bp);
bp = NULL;
}
rootp = (struct iso_directory_record *)pri->root_directory_record;
- MALLOC(isomp, struct iso_mnt *, sizeof *isomp, M_ISOFSMNT, M_WAITOK);
- bzero((caddr_t)isomp, sizeof *isomp);
+ MALLOC(isomp, struct iso_mnt *, sizeof(*isomp), M_ISOFSMNT, M_WAITOK);
+ bzero((caddr_t)isomp, sizeof(*isomp));
+ isomp->im_sector_size = ISO_DEFAULT_BLOCK_SIZE;
isomp->logical_block_size = logical_block_size;
isomp->volume_space_size = isonum_733 (pri->volume_space_size);
/*
* filehandle validation.
*/
isomp->volume_space_size += blkoff;
- bcopy (rootp, isomp->root, sizeof isomp->root);
+ bcopy (rootp, isomp->root, sizeof(isomp->root));
isomp->root_extent = isonum_733 (rootp->extent);
isomp->root_size = isonum_733 (rootp->size);
}
if (pri->volume_id[0] == 0)
- strcpy(isomp->volume_id, ISO_DFLT_VOLUME_ID);
+ strlcpy(isomp->volume_id, ISO_DFLT_VOLUME_ID, sizeof(isomp->volume_id));
else
bcopy(pri->volume_id, isomp->volume_id, sizeof(isomp->volume_id));
cd9660_tstamp_conv17(pri->creation_date, &isomp->creation_date);
/* See if this is a CD-XA volume */
if (bcmp( pri->CDXASignature, ISO_XA_ID,
- sizeof(pri->CDXASignature) ) == 0 )
+ sizeof(pri->CDXASignature) ) == 0 ) {
isomp->im_flags2 |= IMF2_IS_CDXA;
+ }
isomp->im_bmask = logical_block_size - 1;
isomp->im_bshift = 0;
while ((1 << isomp->im_bshift) < isomp->logical_block_size)
isomp->im_bshift++;
- pribp->b_flags |= B_AGE;
- brelse(pribp);
+ buf_markaged(pribp);
+ buf_brelse(pribp);
pribp = NULL;
- mp->mnt_data = (qaddr_t)isomp;
- mp->mnt_stat.f_fsid.val[0] = (long)dev;
- mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
- mp->mnt_maxsymlinklen = 0;
- mp->mnt_flag |= MNT_LOCAL;
+ vfs_setfsprivate(mp, (void *)isomp);
+ vfs_statfs(mp)->f_fsid.val[0] = (long)dev;
+ vfs_statfs(mp)->f_fsid.val[1] = vfs_typenum(mp);
+ vfs_setmaxsymlen(mp, 0);
+ vfs_setflags(mp, MNT_LOCAL);
isomp->im_mountp = mp;
isomp->im_dev = dev;
isomp->im_devvp = devvp;
- devvp->v_specflags |= SI_MOUNTEDON;
+ /*
+ * If the logical block size is not 2K then we must
+ * set the block device's physical block size to this
+ * disc's logical block size.
+ *
+ */
+ if (logical_block_size != iso_bsize) {
+ iso_bsize = logical_block_size;
+ if ((error = VNOP_IOCTL(devvp, DKIOCSETBLOCKSIZE,
+ (caddr_t)&iso_bsize, FWRITE, context)))
+ goto out;
+ }
/* Check the Rock Ridge Extention support */
if (!(argp->flags & ISOFSMNT_NORRIP)) {
- if ( (error = bread(isomp->im_devvp,
- (isomp->root_extent + isonum_711(rootp->ext_attr_length)),
- isomp->logical_block_size, NOCRED, &bp)) ) {
+ if ( (error = (int)buf_bread(isomp->im_devvp,
+ (daddr64_t)((unsigned)((isomp->root_extent + isonum_711(rootp->ext_attr_length)))),
+ isomp->logical_block_size, NOCRED, &bp)) ) {
- printf("iso_mountfs: bread error %d reading block %d\n",
+ printf("iso_mountfs: buf_bread error %d reading block %d\n",
error, isomp->root_extent + isonum_711(rootp->ext_attr_length));
argp->flags |= ISOFSMNT_NORRIP;
goto skipRRIP;
}
- rootp = (struct iso_directory_record *)bp->b_data;
+ rootp = (struct iso_directory_record *)((char *)0 + buf_dataptr(bp));
if ((isomp->rr_skip = cd9660_rrip_offset(rootp,isomp)) < 0) {
argp->flags |= ISOFSMNT_NORRIP;
* The contents are valid,
* but they will get reread as part of another vnode, so...
*/
- bp->b_flags |= B_AGE;
- brelse(bp);
+ buf_markaged(bp);
+ buf_brelse(bp);
bp = NULL;
}
skipRRIP:
/*
* On Joliet CDs use the UCS-2 volume identifier.
*
- * This name can have up to 15 UCS-2 chars and is
- * terminated with 0x0000 or padded with 0x0020.
+ * This name can have up to 16 UCS-2 chars.
*/
- convflags = UTF_DECOMPOSED;
- if (BYTE_ORDER != BIG_ENDIAN)
- convflags |= UTF_REVERSE_ENDIAN;
- for (i = 0, uchp = (u_int16_t *)sup->volume_id; i < 15 && uchp[i]; ++i);
+ convflags = UTF_DECOMPOSED | UTF_BIG_ENDIAN;
+ uchp = (u_int16_t *)sup->volume_id;
+ for (i = 0; i < 16 && uchp[i]; ++i);
if ((utf8_encodestr((u_int16_t *)sup->volume_id, (i * 2), vol_id,
&convbytes, sizeof(vol_id), 0, convflags) == 0)
&& convbytes && (vol_id[0] != ' ')) {
strp = vol_id + convbytes - 1;
while (strp > vol_id && *strp == ' ')
*strp-- = '\0';
- bcopy(vol_id, isomp->volume_id, convbytes);
+ bcopy(vol_id, isomp->volume_id, convbytes + 1);
}
rootp = (struct iso_directory_record *)
sup->root_directory_record;
- bcopy (rootp, isomp->root, sizeof isomp->root);
+ bcopy (rootp, isomp->root, sizeof(isomp->root));
isomp->root_extent = isonum_733 (rootp->extent);
isomp->root_size = isonum_733 (rootp->size);
- supbp->b_flags |= B_AGE;
+ buf_markaged(supbp);
isomp->iso_ftype = ISO_FTYPE_JOLIET;
}
if (supbp) {
- brelse(supbp);
+ buf_brelse(supbp);
supbp = NULL;
}
+ /* If there was a TOC in the arguments, copy it in. */
+ if (argp->flags & ISOFSMNT_TOC) {
+ MALLOC(isomp->toc, struct CDTOC *, argp->toc_length, M_ISOFSMNT, M_WAITOK);
+ if ((error = copyin(argp->toc, isomp->toc, argp->toc_length)))
+ goto out;
+ }
+
+ /* See if this could be a Video CD */
+ if ((isomp->im_flags2 & IMF2_IS_CDXA) && cd9660_find_video_dir(isomp)) {
+ /* Get the 2352-bytes-per-block device. */
+ isomp->phys_devvp = cd9660_phys_device(mp, context);
+ }
+
+ /* Fill the default statfs information */
+ (void) cd9660_statfs(mp, vfs_statfs(mp), context);
+
return (0);
out:
+ if (orig_bsize != iso_bsize) {
+ (void)VNOP_IOCTL(devvp, DKIOCSETBLOCKSIZE,
+ (caddr_t)&orig_bsize, FWRITE, context);
+ }
+
if (bp)
- brelse(bp);
+ buf_brelse(bp);
if (pribp)
- brelse(pribp);
+ buf_brelse(pribp);
if (supbp)
- brelse(supbp);
- if (needclose)
- (void)VOP_CLOSE(devvp, FREAD, NOCRED, p);
+ buf_brelse(supbp);
+
if (isomp) {
+ if (isomp->toc)
+ FREE((caddr_t)isomp->toc, M_ISOFSMNT);
FREE((caddr_t)isomp, M_ISOFSMNT);
- mp->mnt_data = (qaddr_t)0;
- }
-
- /* Clear the mounted on bit in the devvp If it */
- /* not set, this is a nop and there is no way to */
- /* get here with it set unless we did it. If you*/
- /* are making code changes which makes the above */
- /* assumption not true, change this code. */
-
- devvp->v_specflags &= ~SI_MOUNTEDON;
+ vfs_setfsprivate(mp, (void *)0);
+ }
return (error);
}
*/
/* ARGSUSED */
int
-cd9660_start(mp, flags, p)
- struct mount *mp;
- int flags;
- struct proc *p;
+cd9660_start(__unused struct mount *mp, __unused int flags,
+ __unused vfs_context_t context)
{
return (0);
}
* unmount system call
*/
int
-cd9660_unmount(mp, mntflags, p)
- struct mount *mp;
- int mntflags;
- struct proc *p;
+cd9660_unmount(struct mount *mp, int mntflags, vfs_context_t context)
{
- register struct iso_mnt *isomp;
+ struct iso_mnt *isomp;
int error, flags = 0;
+ int force = 0;
- if ( (mntflags & MNT_FORCE) )
+ if ( (mntflags & MNT_FORCE) ) {
flags |= FORCECLOSE;
+ force = 1;
+ }
- if ( (error = vflush(mp, NULLVP, flags)) )
+ if ( (error = vflush(mp, NULLVP, flags)) && !force )
return (error);
isomp = VFSTOISOFS(mp);
if (isomp->iso_ftype == ISO_FTYPE_RRIP)
iso_dunmap(isomp->im_dev);
#endif
-
- isomp->im_devvp->v_specflags &= ~SI_MOUNTEDON;
- error = VOP_CLOSE(isomp->im_devvp, FREAD, NOCRED, p);
- vrele(isomp->im_devvp);
+ if (isomp->phys_devvp) {
+ error = VNOP_CLOSE(isomp->phys_devvp, FREAD, context);
+ if (error && !force)
+ return error;
+ vnode_put(isomp->phys_devvp);
+ }
+
+ if (isomp->toc)
+ FREE((caddr_t)isomp->toc, M_ISOFSMNT);
FREE((caddr_t)isomp, M_ISOFSMNT);
- mp->mnt_data = (qaddr_t)0;
- mp->mnt_flag &= ~MNT_LOCAL;
- return (error);
+ return (0);
}
/*
* Return root of a filesystem
*/
int
-cd9660_root(mp, vpp)
- struct mount *mp;
- struct vnode **vpp;
+cd9660_root(struct mount *mp, struct vnode **vpp, __unused vfs_context_t context)
{
struct iso_mnt *imp = VFSTOISOFS(mp);
struct iso_directory_record *dp =
* With RRIP we must use the `.' entry of the root directory.
* Simply tell vget, that it's a relocated directory.
*/
- return (cd9660_vget_internal(mp, ino, vpp,
+ return (cd9660_vget_internal(mp, ino, vpp, NULL, NULL,
imp->iso_ftype == ISO_FTYPE_RRIP, dp, current_proc()));
}
-/*
- * Do operations associated with quotas, not supported
- */
-/* ARGSUSED */
-int
-cd9660_quotactl(mp, cmd, uid, arg, p)
- struct mount *mp;
- int cmd;
- uid_t uid;
- caddr_t arg;
- struct proc *p;
-{
-
- return (EOPNOTSUPP);
-}
-
/*
* Get file system statistics.
*/
+/* ARGSUSED */
int
-cd9660_statfs(mp, sbp, p)
- struct mount *mp;
- register struct statfs *sbp;
- struct proc *p;
+cd9660_statfs(struct mount *mp, struct vfsstatfs *sbp,
+ __unused vfs_context_t context)
{
- register struct iso_mnt *isomp;
+ struct iso_mnt *isomp;
isomp = VFSTOISOFS(mp);
+#if 0
#ifdef COMPAT_09
sbp->f_type = 5;
#else
sbp->f_type = 0;
#endif
- sbp->f_bsize = isomp->logical_block_size;
- sbp->f_iosize = sbp->f_bsize; /* XXX */
- sbp->f_blocks = isomp->volume_space_size;
- sbp->f_bfree = 0; /* total free blocks */
- sbp->f_bavail = 0; /* blocks free for non superuser */
- sbp->f_files = 0; /* total files */
- sbp->f_ffree = 0; /* free file nodes */
- if (sbp != &mp->mnt_stat) {
- bcopy(mp->mnt_stat.f_mntonname, sbp->f_mntonname, MNAMELEN);
- bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN);
- }
+#endif
+ sbp->f_bsize = (uint32_t)isomp->logical_block_size;
+ sbp->f_iosize = (size_t)sbp->f_bsize; /* XXX */
+ sbp->f_blocks = (uint64_t)((unsigned long)isomp->volume_space_size);
+ sbp->f_bfree = (uint64_t)0; /* total free blocks */
+ sbp->f_bavail = (uint64_t)0; /* blocks free for non superuser */
+ sbp->f_files = (uint64_t)0; /* total files */
+ sbp->f_ffree = (uint64_t)0; /* free file nodes */
+ sbp->f_fstypename[(MFSTYPENAMELEN - 1)] = '\0';
- strncpy( sbp->f_fstypename, mp->mnt_vfc->vfc_name, (MFSNAMELEN - 1) );
- sbp->f_fstypename[(MFSNAMELEN - 1)] = '\0';
+ /*
+ * Subtypes (flavors) for ISO 9660
+ * 0: ISO-9660
+ * 1: ISO-9660 (Joliet)
+ * 2: ISO-9660 (Rockridge)
+ */
+ if (isomp->iso_ftype == ISO_FTYPE_JOLIET)
+ sbp->f_fssubtype = 1;
+ else if (isomp->iso_ftype == ISO_FTYPE_RRIP)
+ sbp->f_fssubtype = 2;
+ else
+ sbp->f_fssubtype = 0;
/* DO NOT use the first spare for flags; it's been reassigned for another use: */
/* sbp->f_spare[0] = isomp->im_flags; */
return (0);
}
+int cd9660_vfs_getattr(struct mount *mp, struct vfs_attr *fsap, __unused vfs_context_t context)
+{
+ struct iso_mnt *imp;
+ struct vfsstatfs *stats = vfs_statfs(mp);
+
+ imp = VFSTOISOFS(mp);
+
+ /*
+ * We don't know reasonable values for f_objcount, f_filecount,
+ * f_dircount, f_maxobjcount so don't bother making up (poor)
+ * numbers like 10.3.x and earlier did.
+ */
+
+ VFSATTR_RETURN(fsap, f_iosize, stats->f_iosize);
+ VFSATTR_RETURN(fsap, f_blocks, stats->f_blocks);
+ VFSATTR_RETURN(fsap, f_bfree, stats->f_bfree);
+ VFSATTR_RETURN(fsap, f_bavail, stats->f_bavail);
+ VFSATTR_RETURN(fsap, f_bused, stats->f_blocks);
+
+ /* We don't have file counts, so don't return them */
+
+ /* f_fsid and f_owner should be handled by VFS */
+
+ /* We don't have a value for f_uuid */
+
+ if (VFSATTR_IS_ACTIVE(fsap, f_capabilities)) {
+ fsap->f_capabilities.capabilities[VOL_CAPABILITIES_FORMAT] =
+ (imp->iso_ftype == ISO_FTYPE_RRIP ? VOL_CAP_FMT_SYMBOLICLINKS : 0) |
+ (imp->iso_ftype == ISO_FTYPE_RRIP ? VOL_CAP_FMT_HARDLINKS : 0) |
+ (imp->iso_ftype == ISO_FTYPE_RRIP || imp->iso_ftype == ISO_FTYPE_JOLIET
+ ? VOL_CAP_FMT_CASE_SENSITIVE : 0) |
+ VOL_CAP_FMT_CASE_PRESERVING |
+ VOL_CAP_FMT_FAST_STATFS;
+ fsap->f_capabilities.capabilities[VOL_CAPABILITIES_INTERFACES] =
+ VOL_CAP_INT_ATTRLIST |
+ VOL_CAP_INT_NFSEXPORT;
+ fsap->f_capabilities.capabilities[VOL_CAPABILITIES_RESERVED1] = 0;
+ fsap->f_capabilities.capabilities[VOL_CAPABILITIES_RESERVED2] = 0;
+
+ fsap->f_capabilities.valid[VOL_CAPABILITIES_FORMAT] =
+ VOL_CAP_FMT_PERSISTENTOBJECTIDS |
+ VOL_CAP_FMT_SYMBOLICLINKS |
+ VOL_CAP_FMT_HARDLINKS |
+ VOL_CAP_FMT_JOURNAL |
+ VOL_CAP_FMT_JOURNAL_ACTIVE |
+ VOL_CAP_FMT_NO_ROOT_TIMES |
+ VOL_CAP_FMT_SPARSE_FILES |
+ VOL_CAP_FMT_ZERO_RUNS |
+ VOL_CAP_FMT_CASE_SENSITIVE |
+ VOL_CAP_FMT_CASE_PRESERVING |
+ VOL_CAP_FMT_FAST_STATFS |
+ VOL_CAP_FMT_2TB_FILESIZE;
+ fsap->f_capabilities.valid[VOL_CAPABILITIES_INTERFACES] =
+ VOL_CAP_INT_SEARCHFS |
+ VOL_CAP_INT_ATTRLIST |
+ VOL_CAP_INT_NFSEXPORT |
+ VOL_CAP_INT_ALLOCATE |
+ VOL_CAP_INT_ADVLOCK |
+ VOL_CAP_INT_FLOCK;
+ fsap->f_capabilities.valid[VOL_CAPABILITIES_RESERVED1] = 0;
+ fsap->f_capabilities.valid[VOL_CAPABILITIES_RESERVED2] = 0;
+
+ VFSATTR_SET_SUPPORTED(fsap, f_capabilities);
+ }
+
+ if (VFSATTR_IS_ACTIVE(fsap, f_attributes)) {
+ /*
+ * VFS should really set these based on the vfs_attr and vnop_attr
+ * fields the file system supports, combined with the conversions
+ * VFS has implemented.
+ */
+
+#define ISOFS_ATTR_CMN_VALIDMASK (ATTR_CMN_VALIDMASK & ~(ATTR_CMN_PAROBJID | ATTR_CMN_CRTIME | ATTR_CMN_BKUPTIME | ATTR_CMN_PARENTID))
+#define ISOFS_ATTR_VOL_VALIDMASK (ATTR_VOL_VALIDMASK & ~(ATTR_VOL_OBJCOUNT | ATTR_VOL_FILECOUNT | ATTR_VOL_DIRCOUNT | ATTR_VOL_MAXOBJCOUNT | ATTR_VOL_NAME))
+#define ISOFS_ATTR_DIR_VALIDMASK (ATTR_DIR_VALIDMASK & ~(ATTR_DIR_ENTRYCOUNT))
+
+ fsap->f_attributes.validattr.commonattr = ISOFS_ATTR_CMN_VALIDMASK;
+ fsap->f_attributes.validattr.volattr = ISOFS_ATTR_VOL_VALIDMASK;
+ fsap->f_attributes.validattr.dirattr = ISOFS_ATTR_DIR_VALIDMASK;
+ fsap->f_attributes.validattr.fileattr = ATTR_FILE_VALIDMASK;
+ fsap->f_attributes.validattr.forkattr = ATTR_FORK_VALIDMASK;
+
+ fsap->f_attributes.nativeattr.commonattr = ISOFS_ATTR_CMN_VALIDMASK;
+ fsap->f_attributes.nativeattr.volattr = ISOFS_ATTR_VOL_VALIDMASK;
+ fsap->f_attributes.nativeattr.dirattr = ISOFS_ATTR_DIR_VALIDMASK;
+ fsap->f_attributes.nativeattr.fileattr = ATTR_FILE_VALIDMASK;
+ fsap->f_attributes.nativeattr.forkattr = ATTR_FORK_VALIDMASK;
+
+ VFSATTR_SET_SUPPORTED(fsap, f_attributes);
+ }
+
+ VFSATTR_RETURN(fsap, f_create_time, imp->creation_date);
+ VFSATTR_RETURN(fsap, f_modify_time, imp->modification_date);
+ /* No explicit access time, so let VFS pick a default value */
+ /* No explicit backup time, so let VFS pick a default value */
+
+ return 0;
+}
+
/* ARGSUSED */
int
-cd9660_sync(mp, waitfor, cred, p)
- struct mount *mp;
- int waitfor;
- struct ucred *cred;
- struct proc *p;
+cd9660_sync(__unused struct mount *mp, __unused int waitfor,
+ __unused vfs_context_t context)
{
return (0);
*/
struct ifid {
- ushort ifid_len;
- ushort ifid_pad;
int ifid_ino;
long ifid_start;
};
/* ARGSUSED */
int
-cd9660_fhtovp(mp, fhp, nam, vpp, exflagsp, credanonp)
- register struct mount *mp;
- struct fid *fhp;
- struct mbuf *nam;
- struct vnode **vpp;
- int *exflagsp;
- struct ucred **credanonp;
+cd9660_fhtovp(mount_t mp, int fhlen, unsigned char *fhp, vnode_t *vpp, vfs_context_t context)
{
struct ifid *ifhp = (struct ifid *)fhp;
- register struct iso_node *ip;
- register struct netcred *np;
- register struct iso_mnt *imp = VFSTOISOFS(mp);
+ struct iso_node *ip;
struct vnode *nvp;
int error;
+ if (fhlen < (int)sizeof(struct ifid))
+ return (EINVAL);
+
#ifdef ISOFS_DBG
printf("fhtovp: ino %d, start %ld\n",
ifhp->ifid_ino, ifhp->ifid_start);
#endif
- /*
- * Get the export permission structure for this <mp, client> tuple.
- */
- np = vfs_export_lookup(mp, &imp->im_export, nam);
- if (np == NULL)
- return (EACCES);
-
- if ( (error = VFS_VGET(mp, &ifhp->ifid_ino, &nvp)) ) {
+ if ( (error = VFS_VGET(mp, (ino64_t)ntohl(ifhp->ifid_ino), &nvp, context)) ) {
*vpp = NULLVP;
return (error);
}
ip = VTOI(nvp);
if (ip->inode.iso_mode == 0) {
- vput(nvp);
+ vnode_put(nvp);
*vpp = NULLVP;
return (ESTALE);
}
*vpp = nvp;
- *exflagsp = np->netc_exflags;
- *credanonp = &np->netc_anon;
return (0);
}
+/*
+ * Scan the TOC for the track which contains the given sector.
+ *
+ * If there is no matching track, or no TOC, then return -1.
+ */
+static int
+cd9660_track_for_sector(struct CDTOC *toc, u_int sector)
+{
+ int i, tracks, result;
+
+ if (toc == NULL)
+ return -1;
+
+ tracks = toc->length / sizeof(struct CDTOC_Desc);
+
+ result = -1; /* Sentinel in case we don't find the right track. */
+ for (i=0; i<tracks; ++i) {
+ if (toc->trackdesc[i].point < 100 && MSF_TO_LBA(toc->trackdesc[i].p) <= sector) {
+ result = toc->trackdesc[i].point;
+ }
+ }
+
+ return result;
+}
+
+/*
+ * Determine whether the given node is really a video CD video
+ * file. Return non-zero if it appears to be a video file.
+ */
+static int
+cd9660_is_video_file(struct iso_node *ip, struct iso_mnt *imp)
+{
+ int lbn;
+ int track;
+
+ /* Check whether this could really be a Video CD at all */
+ if (((imp->im_flags2 & IMF2_IS_VCD) == 0) ||
+ imp->phys_devvp == NULL ||
+ imp->toc == NULL)
+ {
+ return 0; /* Doesn't even look like VCD... */
+ }
+
+ /* Make sure it is a file */
+ if ((ip->inode.iso_mode & S_IFMT) != S_IFREG)
+ return 0; /* Not even a file... */
+
+ /*
+ * And in the right directory. This assumes the same inode
+ * number convention that cd9660_vget_internal uses (that
+ * part of the inode number is the block containing the
+ * file's directory entry).
+ */
+ lbn = lblkno(imp, ip->i_number);
+ if (lbn < imp->video_dir_start || lbn >= imp->video_dir_end)
+ return 0; /* Not in the correct directory */
+
+ /*
+ * If we get here, the file should be a video file, but
+ * do a couple of extra sanity checks just to be sure.
+ * First, verify the form of the name
+ */
+ if (strlen(ip->i_namep) != 11 || /* Wrong length? */
+ bcmp(ip->i_namep+7, ".DAT", 4) || /* Wrong extension? */
+ (bcmp(ip->i_namep, "AVSEQ", 5) && /* Wrong beginning? */
+ bcmp(ip->i_namep, "MUSIC", 5)))
+ {
+ return 0; /* Invalid name format */
+ }
+
+ /*
+ * Verify that AVSEQnn.DAT is in track #(nn+1). This would
+ * not be appropriate for Super Video CD, which allows
+ * multiple sessions, so the track numbers might not
+ * match up like this.
+ */
+ track = (ip->i_namep[5] - '0') * 10 + ip->i_namep[6] - '0';
+ if (track != (cd9660_track_for_sector(imp->toc, ip->iso_start) - 1))
+ {
+ return 0; /* Wrong number in name */
+ }
+
+ /* It must be a video file if we got here. */
+ return 1;
+}
+
int
-cd9660_vget(mp, ino, vpp)
- struct mount *mp;
- void *ino;
- struct vnode **vpp;
+cd9660_vget(struct mount *mp, ino64_t ino, struct vnode **vpp, __unused vfs_context_t context)
{
/*
* XXXX
* that right now.
*/
- return ( cd9660_vget_internal( mp, *(ino_t*)ino, vpp, 0,
- (struct iso_directory_record *) 0,
- current_proc()) );
+ return ( cd9660_vget_internal( mp, (ino_t)ino, vpp, NULL, NULL,
+ 0, (struct iso_directory_record *) 0, current_proc()) );
}
int
-cd9660_vget_internal(mp, ino, vpp, relocated, isodir, p)
- struct mount *mp;
- ino_t ino;
- struct vnode **vpp;
- int relocated;
- struct iso_directory_record *isodir;
- struct proc *p;
+cd9660_vget_internal(mount_t mp, ino_t ino, vnode_t *vpp, vnode_t dvp,
+ struct componentname *cnp, int relocated,
+ struct iso_directory_record *isodir, proc_t p)
{
- register struct iso_mnt *imp;
+ struct iso_mnt *imp;
struct iso_node *ip;
- struct buf *bp;
- struct vnode *vp, *nvp;
- dev_t dev;
- int error;
-
- imp = VFSTOISOFS(mp);
- dev = imp->im_dev;
-
+ buf_t bp = NULL;
+ vnode_t vp;
+ dev_t dev;
+ int error;
+ struct vnode_fsparam vfsp;
+ enum vtype vtype;
+ int is_video_file = 0;
+
+ *vpp = NULLVP;
+ imp = VFSTOISOFS(mp);
+ dev = imp->im_dev;
+#if 0
/* Check for unmount in progress */
- if (mp->mnt_kern_flag & MNTK_UNMOUNT) {
- *vpp = NULLVP;
- return (EPERM);
- }
-
- if ((*vpp = cd9660_ihashget(dev, ino, p)) != NULLVP)
- return (0);
+ if (mp->mnt_kern_flag & MNTK_UNMOUNT)
+ return (EPERM);
+#endif
MALLOC_ZONE(ip, struct iso_node *, sizeof(struct iso_node),
- M_ISOFSNODE, M_WAITOK);
- /* Allocate a new vnode/iso_node. */
- if ( (error = getnewvnode(VT_ISOFS, mp, cd9660_vnodeop_p, &vp)) ) {
- FREE_ZONE(ip,sizeof(struct iso_node), M_ISOFSNODE);
- *vpp = NULLVP;
- return (error);
+ M_ISOFSNODE, M_WAITOK);
+ /*
+ * MALLOC_ZONE may block, so check for the inode being
+ * present in the hash after we get back...
+ * we also assume that we're under a filesystem lock
+ * so that we're not reentered between the ihashget and
+ * the ihashins...
+ */
+ if ((*vpp = cd9660_ihashget(dev, ino, p)) != NULLVP) {
+ FREE_ZONE(ip, sizeof(struct iso_node), M_ISOFSNODE);
+ return (0);
}
bzero((caddr_t)ip, sizeof(struct iso_node));
- lockinit(&ip->i_lock, PINOD,"isonode",0,0);
- vp->v_data = ip;
- ip->i_vnode = vp;
+
ip->i_dev = dev;
ip->i_number = ino;
ip->i_namep = &isonullname[0];
+ ip->i_mnt = imp;
+ ip->i_devvp = imp->im_devvp;
+ SET(ip->i_flag, ISO_INALLOC);
/*
* Put it onto its hash chain and lock it so that other requests for
* this inode will block if they arrive while we are sleeping waiting
int lbn, off;
lbn = lblkno(imp, ino);
+
if (lbn >= imp->volume_space_size) {
- vput(vp);
printf("fhtovp: lbn exceed volume space %d\n", lbn);
- return (ESTALE);
+ error = ESTALE;
+ goto errout;
}
-
off = blkoff(imp, ino);
+
if (off + ISO_DIRECTORY_RECORD_SIZE > imp->logical_block_size) {
- vput(vp);
printf("fhtovp: crosses block boundary %d\n",
off + ISO_DIRECTORY_RECORD_SIZE);
- return (ESTALE);
+ error = ESTALE;
+ goto errout;
}
- error = bread(imp->im_devvp, lbn,
- imp->logical_block_size, NOCRED, &bp);
+ error = (int)buf_bread(imp->im_devvp, (daddr64_t)((unsigned)lbn),
+ imp->logical_block_size, NOCRED, &bp);
if (error) {
- vput(vp);
- brelse(bp);
- printf("fhtovp: bread error %d\n",error);
- return (error);
+ printf("fhtovp: buf_bread error %d\n",error);
+ goto errout;
}
- isodir = (struct iso_directory_record *)(bp->b_data + off);
+ isodir = (struct iso_directory_record *)(buf_dataptr(bp) + off);
- if (off + isonum_711(isodir->length) >
- imp->logical_block_size) {
- vput(vp);
- if (bp != 0)
- brelse(bp);
+ if (off + isonum_711(isodir->length) > imp->logical_block_size) {
printf("fhtovp: directory crosses block boundary "
"%d[off=%d/len=%d]\n",
off +isonum_711(isodir->length), off,
isonum_711(isodir->length));
- return (ESTALE);
+ error = ESTALE;
+ goto errout;
}
/*
struct iso_directory_record *pdp;
pdp = (struct iso_directory_record *)
- ((char *)bp->b_data + isonum_711(isodir->length));
+ ((char *)0 + buf_dataptr(bp) + isonum_711(isodir->length));
if ((isonum_711(pdp->flags) & directoryBit)
&& (pdp->name[0] == 1))
ip->i_parent = isodirino(pdp, imp);
}
- } else
- bp = 0;
-
- ip->i_mnt = imp;
- ip->i_devvp = imp->im_devvp;
- VREF(ip->i_devvp);
-
+ }
if (relocated) {
+ daddr64_t lbn;
+
+ if (bp) {
+ buf_brelse(bp);
+ bp = NULL;
+ }
/*
* On relocated directories we must
* read the `.' entry out of a dir.
*/
ip->iso_start = ino >> imp->im_bshift;
- if (bp != 0)
- brelse(bp);
- if ( (error = VOP_BLKATOFF(vp, (off_t)0, NULL, &bp)) ) {
- vput(vp);
- return (error);
- }
- isodir = (struct iso_directory_record *)bp->b_data;
+ /*
+ * caclulate the correct lbn to read block 0
+ * of this node... this used to be a cd9660_blkatoff, but
+ * that requires the vnode to already be 'cooked'... in
+ * the new world, we don't create a vnode until the inode
+ * has been fully initialized... cd9660_blkatoff generates
+ * a buf_bread for im_sector_size associated with the node's vp
+ * I'm replacing it with a buf_bread for the same size and from
+ * the same location on the disk, but associated with the devvp
+ */
+ lbn = (daddr64_t)((unsigned)ip->iso_start) + 0;
+
+ if ((error = (int)buf_bread(imp->im_devvp, lbn, imp->im_sector_size, NOCRED, &bp)))
+ goto errout;
+
+ isodir = (struct iso_directory_record *)((char *)0 + buf_dataptr(bp));
}
/*
* go get apple extensions to ISO directory record or use
* defaults when there are no apple extensions.
*/
- if ( (isonum_711( isodir->flags ) & directoryBit) == 0 ) {
+ if ( ((isonum_711( isodir->flags ) & directoryBit) == 0) &&
+ (imp->iso_ftype != ISO_FTYPE_RRIP) ) {
/* This is an ISO directory record for a file */
- DRGetTypeCreatorAndFlags( imp, isodir, &ip->i_FileType,
- &ip->i_Creator, &ip->i_FinderFlags );
+ DRGetTypeCreatorAndFlags(imp, isodir, &ip->i_FileType,
+ &ip->i_Creator, &ip->i_FinderFlags);
+
+ if (isonum_711(isodir->flags) & associatedBit)
+ ip->i_flag |= ISO_ASSOCIATED;
+ }
+
+ /*
+ * Shadow the ISO 9660 invisible state to the FinderInfo
+ */
+ if (isonum_711(isodir->flags) & existenceBit) {
+ ip->i_FinderFlags |= fInvisibleBit;
}
ip->iso_extent = isonum_733(isodir->extent);
ip->i_size = isonum_733(isodir->size);
ip->iso_start = isonum_711(isodir->ext_attr_length) + ip->iso_extent;
+ /*
+ * account for AppleDouble header
+ */
+ if (ip->i_flag & ISO_ASSOCIATED)
+ ip->i_size += ADH_SIZE;
/*
* if we have a valid name, fill in i_namep with UTF-8 name
case ISO_FTYPE_JOLIET:
ucsfntrans((u_int16_t *)isodir->name, namelen,
utf8namep, &namelen,
- isonum_711(isodir->flags) & directoryBit);
+ isonum_711(isodir->flags) & directoryBit, ip->i_flag & ISO_ASSOCIATED);
break;
default:
isofntrans (isodir->name, namelen,
utf8namep, &namelen,
- imp->iso_ftype == ISO_FTYPE_9660);
+ imp->iso_ftype == ISO_FTYPE_9660, ip->i_flag & ISO_ASSOCIATED);
}
utf8namep[namelen] = '\0';
/*
* Setup time stamp, attribute
*/
- vp->v_type = VNON;
switch (imp->iso_ftype) {
default: /* ISO_FTYPE_9660 */
{
- struct buf *bp2;
- int off;
- if ((imp->im_flags & ISOFSMNT_EXTATT)
- && (off = isonum_711(isodir->ext_attr_length)))
- VOP_BLKATOFF(vp, (off_t)-(off << imp->im_bshift), NULL, &bp2);
- else
+ buf_t bp2 = NULL;
+ daddr64_t lbn;
+ int off;
+
+ if ((imp->im_flags & ISOFSMNT_EXTATT) && (off = isonum_711(isodir->ext_attr_length))) {
+
+ lbn = (daddr64_t)((unsigned)ip->iso_start - off);
+
+ if ((error = (int)buf_bread(imp->im_devvp, lbn, imp->im_sector_size, NOCRED, &bp2))) {
+ if (bp2)
+ buf_brelse(bp2);
+ goto errout;
+ }
+ } else
bp2 = NULL;
+
cd9660_defattr(isodir, ip, bp2);
cd9660_deftstamp(isodir, ip, bp2);
+
if (bp2)
- brelse(bp2);
+ buf_brelse(bp2);
break;
}
case ISO_FTYPE_RRIP:
cd9660_rrip_analyze(isodir, ip, imp);
break;
}
-
- if (bp != 0)
- brelse(bp);
-
/*
- * Initialize the associated vnode
+ * See if this is a Video CD file. If so, we must adjust the
+ * length to account for larger sectors plus the RIFF header.
+ * We also must substitute the vnop_read and vnop_pagein functions.
+ *
+ * The cd9660_is_video_file routine assumes that the inode has
+ * been completely set up; it refers to several fields.
+ *
+ * This must be done before we release bp, because isodir
+ * points into bp's data.
*/
-
+ if (cd9660_is_video_file(ip, imp))
+ {
+ cd9660_xa_init(ip, isodir);
+
+ is_video_file = 1;
+ }
if (ip->iso_extent == imp->root_extent) {
- vp->v_flag |= VROOT;
ip->i_parent = 1; /* root's parent is always 1 by convention */
/* mode type must be S_IFDIR */
ip->inode.iso_mode = (ip->inode.iso_mode & ~S_IFMT) | S_IFDIR;
}
-
- switch (vp->v_type = IFTOVT(ip->inode.iso_mode)) {
- case VFIFO:
-#if FIFO
- vp->v_op = cd9660_fifoop_p;
- break;
-#else
- vput(vp);
- return (EOPNOTSUPP);
-#endif /* FIFO */
- case VCHR:
- case VBLK:
- /*
- * if device, look at device number table for translation
- */
-#ifdef ISODEVMAP
- if (dp = iso_dmap(dev, ino, 0))
- ip->inode.iso_rdev = dp->d_dev;
+ vtype = IFTOVT(ip->inode.iso_mode);
+#if !FIFO
+ if (vtype == VFIFO) {
+ error = ENOTSUP;
+ goto errout;
+ }
#endif
- vp->v_op = cd9660_specop_p;
- if ( (nvp = checkalias(vp, ip->inode.iso_rdev, mp)) ) {
- /*
- * Discard unneeded vnode, but save its iso_node.
- */
- cd9660_ihashrem(ip);
- VOP_UNLOCK(vp, 0, p);
- nvp->v_data = vp->v_data;
- vp->v_data = NULL;
- vp->v_op = spec_vnodeop_p;
- vrele(vp);
- vgone(vp);
- /*
- * Reinitialize aliased inode.
- */
- vp = nvp;
- ip->i_vnode = vp;
- cd9660_ihashins(ip);
- }
- break;
- case VREG:
- ubc_info_init(vp);
- break;
- default:
- break;
+#ifdef ISODEVMAP
+ if (vtype == VCHR || vtype == VBLK) {
+ struct iso_dnode *dp;
+
+ if (dp = iso_dmap(dev, ino, 0))
+ ip->inode.iso_rdev = dp->d_dev;
}
-
+#endif
/*
- * XXX need generation number?
+ * create the associated vnode
*/
+ //bzero(&vfsp, sizeof(struct vnode_fsparam));
+ vfsp.vnfs_mp = mp;
+ vfsp.vnfs_vtype = vtype;
+ vfsp.vnfs_str = "cd9660";
+ vfsp.vnfs_dvp = dvp;
+ vfsp.vnfs_fsnode = ip;
+ vfsp.vnfs_cnp = cnp;
+
+ if (is_video_file)
+ vfsp.vnfs_vops = cd9660_cdxaop_p;
+ else if (vtype == VFIFO )
+ vfsp.vnfs_vops = cd9660_fifoop_p;
+ else if (vtype == VBLK || vtype == VCHR)
+ vfsp.vnfs_vops = cd9660_specop_p;
+ else
+ vfsp.vnfs_vops = cd9660_vnodeop_p;
+
+ if (vtype == VBLK || vtype == VCHR)
+ vfsp.vnfs_rdev = ip->inode.iso_rdev;
+ else
+ vfsp.vnfs_rdev = 0;
+
+ vfsp.vnfs_filesize = ip->i_size;
+
+ if (dvp && cnp && (cnp->cn_flags & MAKEENTRY))
+ vfsp.vnfs_flags = 0;
+ else
+ vfsp.vnfs_flags = VNFS_NOCACHE;
+
+ /* Tag root directory */
+ if (ip->iso_extent == imp->root_extent)
+ vfsp.vnfs_markroot = 1;
+ else
+ vfsp.vnfs_markroot = 0;
+
+ vfsp.vnfs_marksystem = 0;
+
+ if ( (error = vnode_create(VNCREATE_FLAVOR, VCREATESIZE, &vfsp, &vp)) )
+ goto errout;
+ ip->i_vnode = vp;
+
+ vnode_ref(ip->i_devvp);
+ vnode_addfsref(vp);
+ vnode_settag(vp, VT_ISOFS);
+
+ if (bp)
+ buf_brelse(bp);
*vpp = vp;
+ CLR(ip->i_flag, ISO_INALLOC);
+
+ if (ISSET(ip->i_flag, ISO_INWALLOC))
+ wakeup(ip);
+
return (0);
+
+errout:
+ if (bp)
+ buf_brelse(bp);
+ cd9660_ihashrem(ip);
+
+ if (ISSET(ip->i_flag, ISO_INWALLOC))
+ wakeup(ip);
+
+ FREE_ZONE(ip, sizeof(struct iso_node), M_ISOFSNODE);
+
+ return (error);
}
myPtr += 14;/* add in CD-XA fixed record offset (tnx, Phillips) */
myNewAppleExtPtr = (NewAppleExtension *) myPtr;
- /* calculate the "real" end of the directory record information */
+ /*
+ * Calculate the "real" end of the directory record information.
+ *
+ * Note: We always read the first 4 bytes of the System-Use data, so
+ * adjust myPtr down so we don't read off the end of the directory!
+ */
myPtr = ((char *) theDirRecPtr) + (isonum_711(theDirRecPtr->length));
+ myPtr -= sizeof(NewAppleExtension) - 1;
while( (char *) myNewAppleExtPtr < myPtr ) /* end of directory buffer */
{
/*
* struct OptionalSystemUse
* {
* byte Signature[2];
- * byte systemUseID;
* byte OSULength;
+ * byte systemUseID;
* byte fileType[4]; # only if HFS
* byte fileCreator[4]; # only if HFS
* byte finderFlags[2]; # only if HFS
*/
/* ARGSUSED */
int
-cd9660_vptofh(vp, fhp)
- struct vnode *vp;
- struct fid *fhp;
+cd9660_vptofh(struct vnode *vp, int *fhlenp, unsigned char *fhp, __unused vfs_context_t context)
{
- register struct iso_node *ip = VTOI(vp);
- register struct ifid *ifhp;
+ struct iso_node *ip = VTOI(vp);
+ struct ifid *ifhp;
+
+ if (*fhlenp < (int)sizeof(struct ifid))
+ return (EOVERFLOW);
ifhp = (struct ifid *)fhp;
- ifhp->ifid_len = sizeof(struct ifid);
- ifhp->ifid_ino = ip->i_number;
- ifhp->ifid_start = ip->iso_start;
+ ifhp->ifid_ino = htonl(ip->i_number);
+ ifhp->ifid_start = htonl(ip->iso_start);
+ *fhlenp = sizeof(struct ifid);
#ifdef ISOFS_DBG
printf("vptofh: ino %d, start %ld\n",
* Fast-FileSystem only?
*/
int
-cd9660_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
- int * name;
- u_int namelen;
- void* oldp;
- size_t * oldlenp;
- void * newp;
- size_t newlen;
- struct proc * p;
+cd9660_sysctl(__unused int *name, __unused u_int namelen, __unused user_addr_t oldp,
+ __unused size_t *oldlenp, __unused user_addr_t newp,
+ __unused size_t newlen, __unused vfs_context_t context)
{
- return (EOPNOTSUPP);
+ return (ENOTSUP);
}
projects / apple / xnu.git / blobdiff