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Submitted by: Conrad Minshall <conrad@apple.com>

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Reviewed by: Matthew Dillon <dillon@apollo.backplane.com>

The following ugly hack to the exit path of nfs_readlinkrpc() circumvents
an Auspex bug: for symlinks longer than 112 (0x70) they return a 1024 byte
xdr string - the correct data with many nulls appended.  Without this fix
namei returns ENAMETOOLONG, at least it does on our source base and on
FreeBSD 3.0.  Note we do not (and should not) rely upon their null padding.
This commit is contained in:
julian 1999-06-30 02:53:51 +00:00
parent cd20be7e99
commit 0154a689b3
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/nfs/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.132 1999/06/26 02:46:32 mckusick Exp $
* $Id: nfs_vnops.c,v 1.133 1999/06/28 12:34:40 peter Exp $
*/
@ -1009,6 +1009,11 @@ nfs_readlinkrpc(vp, uiop, cred)
nfsm_postop_attr(vp, attrflag);
if (!error) {
nfsm_strsiz(len, NFS_MAXPATHLEN);
if (len == NFS_MAXPATHLEN) {
struct nfsnode *np = VTONFS(vp);
if (np->n_size && np->n_size < NFS_MAXPATHLEN)
len = np->n_size;
}
nfsm_mtouio(uiop, len);
}
nfsm_reqdone;

7
sys/nfsclient/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.132 1999/06/26 02:46:32 mckusick Exp $
* $Id: nfs_vnops.c,v 1.133 1999/06/28 12:34:40 peter Exp $
*/
@ -1009,6 +1009,11 @@ nfs_readlinkrpc(vp, uiop, cred)
nfsm_postop_attr(vp, attrflag);
if (!error) {
nfsm_strsiz(len, NFS_MAXPATHLEN);
if (len == NFS_MAXPATHLEN) {
struct nfsnode *np = VTONFS(vp);
if (np->n_size && np->n_size < NFS_MAXPATHLEN)
len = np->n_size;
}
nfsm_mtouio(uiop, len);
}
nfsm_reqdone;