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Fixed some confusion between the size of a logical block and the size of a
device block which was stopping symbolic links working. cd9660_readdir was incorrectly casting a pointer to the d_namlen field of a struct dirent to a (u_short*) which caused the directory entries "." and ".." to read incorrectly. Submitted by: dfr
This commit is contained in:
Doug Rabson
parent
9fef312289
commit
06e79831b1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=2604
@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)cd9660_rrip.c 8.2 (Berkeley) 1/23/94
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* $Id$
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* $Id: cd9660_rrip.c,v 1.2 1994/08/02 07:41:26 davidg Exp $
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*/
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#include <sys/param.h>
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@ -521,7 +521,7 @@ cd9660_rrip_loop(isodir,ana,table)
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if (ana->iso_ce_blk >= ana->imp->volume_space_size
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|| ana->iso_ce_off + ana->iso_ce_len > ana->imp->logical_block_size
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|| bread(ana->imp->im_devvp,
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ana->iso_ce_blk * ana->imp->logical_block_size / DEV_BSIZE,
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iso_lblktodaddr(ana->imp, ana->iso_ce_blk),
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ana->imp->logical_block_size,NOCRED,&bp))
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/* what to do now? */
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break;
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)cd9660_vnops.c 8.3 (Berkeley) 1/23/94
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* $Id: cd9660_vnops.c,v 1.3 1994/08/02 07:41:36 davidg Exp $
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* $Id: cd9660_vnops.c,v 1.4 1994/08/08 09:11:18 davidg Exp $
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*/
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#include <sys/param.h>
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@ -479,6 +479,7 @@ cd9660_readdir(ap)
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struct iso_mnt *imp;
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struct iso_node *ip;
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struct buf *bp = NULL;
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u_short tmplen;
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ip = VTOI(ap->a_vp);
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imp = ip->i_mnt;
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@ -567,8 +568,9 @@ cd9660_readdir(ap)
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switch (imp->iso_ftype) {
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case ISO_FTYPE_RRIP:
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cd9660_rrip_getname(ep,idp->current.d_name,
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(u_short *)&idp->current.d_namlen,
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&tmplen,
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&idp->current.d_fileno,imp);
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idp->current.d_namlen = tmplen;
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if (idp->current.d_namlen)
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error = iso_uiodir(idp,&idp->current,idp->curroff);
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break;
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@ -658,7 +660,7 @@ cd9660_readlink(ap)
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* Get parents directory record block that this inode included.
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*/
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error = bread(imp->im_devvp,
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(daddr_t)(ip->i_number / DEV_BSIZE),
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iso_dblkno(imp, ip->i_number),
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imp->logical_block_size,
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NOCRED,
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&bp);
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)iso.h 8.2 (Berkeley) 1/23/94
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* $Id$
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* $Id: iso.h,v 1.2 1994/08/02 07:41:38 davidg Exp $
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*/
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#define ISODCL(from, to) (to - from + 1)
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@ -165,6 +165,9 @@ struct iso_mnt {
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#define iso_lblkno(imp, loc) ((loc) >> (imp)->im_bshift)
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#define iso_blksize(imp, ip, lbn) ((imp)->logical_block_size)
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#define iso_lblktosize(imp, blk) ((blk) << (imp)->im_bshift)
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#define iso_lblktodaddr(imp, lbn) btodb(iso_lblktosize(imp, lbn))
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#define iso_dblkinc(imp, lbn) ((lbn) + iso_lblktodaddr(imp, 1))
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#define iso_dblkno(imp, loc) iso_lblktodaddr(imp, iso_lblkno(imp, loc))
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int cd9660_mount __P((struct mount *,
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char *, caddr_t, struct nameidata *, struct proc *));
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)cd9660_rrip.c 8.2 (Berkeley) 1/23/94
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* $Id$
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* $Id: cd9660_rrip.c,v 1.2 1994/08/02 07:41:26 davidg Exp $
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*/
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#include <sys/param.h>
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@ -521,7 +521,7 @@ cd9660_rrip_loop(isodir,ana,table)
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if (ana->iso_ce_blk >= ana->imp->volume_space_size
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|| ana->iso_ce_off + ana->iso_ce_len > ana->imp->logical_block_size
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|| bread(ana->imp->im_devvp,
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ana->iso_ce_blk * ana->imp->logical_block_size / DEV_BSIZE,
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iso_lblktodaddr(ana->imp, ana->iso_ce_blk),
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ana->imp->logical_block_size,NOCRED,&bp))
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/* what to do now? */
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break;
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)cd9660_vnops.c 8.3 (Berkeley) 1/23/94
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* $Id: cd9660_vnops.c,v 1.3 1994/08/02 07:41:36 davidg Exp $
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* $Id: cd9660_vnops.c,v 1.4 1994/08/08 09:11:18 davidg Exp $
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*/
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#include <sys/param.h>
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@ -479,6 +479,7 @@ cd9660_readdir(ap)
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struct iso_mnt *imp;
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struct iso_node *ip;
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struct buf *bp = NULL;
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u_short tmplen;
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ip = VTOI(ap->a_vp);
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imp = ip->i_mnt;
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@ -567,8 +568,9 @@ cd9660_readdir(ap)
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switch (imp->iso_ftype) {
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case ISO_FTYPE_RRIP:
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cd9660_rrip_getname(ep,idp->current.d_name,
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(u_short *)&idp->current.d_namlen,
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&tmplen,
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&idp->current.d_fileno,imp);
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idp->current.d_namlen = tmplen;
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if (idp->current.d_namlen)
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error = iso_uiodir(idp,&idp->current,idp->curroff);
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break;
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@ -658,7 +660,7 @@ cd9660_readlink(ap)
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* Get parents directory record block that this inode included.
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*/
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error = bread(imp->im_devvp,
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(daddr_t)(ip->i_number / DEV_BSIZE),
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iso_dblkno(imp, ip->i_number),
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imp->logical_block_size,
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NOCRED,
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&bp);
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)iso.h 8.2 (Berkeley) 1/23/94
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* $Id$
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* $Id: iso.h,v 1.2 1994/08/02 07:41:38 davidg Exp $
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*/
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#define ISODCL(from, to) (to - from + 1)
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@ -165,6 +165,9 @@ struct iso_mnt {
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#define iso_lblkno(imp, loc) ((loc) >> (imp)->im_bshift)
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#define iso_blksize(imp, ip, lbn) ((imp)->logical_block_size)
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#define iso_lblktosize(imp, blk) ((blk) << (imp)->im_bshift)
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#define iso_lblktodaddr(imp, lbn) btodb(iso_lblktosize(imp, lbn))
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#define iso_dblkinc(imp, lbn) ((lbn) + iso_lblktodaddr(imp, 1))
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#define iso_dblkno(imp, loc) iso_lblktodaddr(imp, iso_lblkno(imp, loc))
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int cd9660_mount __P((struct mount *,
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char *, caddr_t, struct nameidata *, struct proc *));
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