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authorDavid Quigley <dpquigl@davequigley.com>2013-05-22 20:50:44 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-06-09 00:20:16 +0400
commitaa9c2669626ca7e5e5bab28e6caeb583fd40099b (patch)
tree632e008011b5a8b75edf5a2f4c3c0daf464f0cc4 /fs/nfs/dir.c
parent14c43f767818c42f91ec7ffa586ee975845f68c8 (diff)
downloadlinux-aa9c2669626ca7e5e5bab28e6caeb583fd40099b.tar.xz
NFS: Client implementation of Labeled-NFS
This patch implements the client transport and handling support for labeled NFS. The patch adds two functions to encode and decode the security label recommended attribute which makes use of the LSM hooks added earlier. It also adds code to grab the label from the file attribute structures and encode the label to be sent back to the server. Acked-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com> Signed-off-by: Miguel Rodel Felipe <Rodel_FM@dsi.a-star.edu.sg> Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene@dsi.a-star.edu.sg> Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG@dsi.a-star.edu.sg> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 736b607ac8a8..743d3b524fc5 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -435,6 +435,7 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
struct dentry *alias;
struct inode *dir = parent->d_inode;
struct inode *inode;
+ int status;
if (filename.name[0] == '.') {
if (filename.len == 1)
@@ -447,7 +448,9 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
dentry = d_lookup(parent, &filename);
if (dentry != NULL) {
if (nfs_same_file(dentry, entry)) {
- nfs_refresh_inode(dentry->d_inode, entry->fattr);
+ status = nfs_refresh_inode(dentry->d_inode, entry->fattr);
+ if (!status)
+ nfs_setsecurity(dentry->d_inode, entry->fattr, entry->label);
goto out;
} else {
if (d_invalidate(dentry) != 0)
@@ -1103,6 +1106,8 @@ static int nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
if ((error = nfs_refresh_inode(inode, fattr)) != 0)
goto out_bad;
+ nfs_setsecurity(inode, fattr, label);
+
nfs_free_fattr(fattr);
nfs_free_fhandle(fhandle);
nfs4_label_free(label);