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authorEric Paris <eparis@redhat.com>2010-07-23 11:43:51 -0400
committerJames Morris <jmorris@namei.org>2010-08-02 15:35:06 +1000
commit9cfcac810e8993fa7a5bfd24b1a21f1dbbb03a7b (patch)
tree86fae80c744e46b15b8eb9aa23fead7e63a64159 /fs/fuse/dir.c
parent692a8a231b212dfc68f612956d63f34abf098e0f (diff)
vfs: re-introduce MAY_CHDIR
Currently MAY_ACCESS means that filesystems must check the permissions right then and not rely on cached results or the results of future operations on the object. This can be because of a call to sys_access() or because of a call to chdir() which needs to check search without relying on any future operations inside that dir. I plan to use MAY_ACCESS for other purposes in the security system, so I split the MAY_ACCESS and the MAY_CHDIR cases. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Stephen D. Smalley <sds@tycho.nsa.gov> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/fuse/dir.c')
-rw-r--r--fs/fuse/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 3cdc5f78a40..431be0795b6 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1016,7 +1016,7 @@ static int fuse_permission(struct inode *inode, int mask)
exist. So if permissions are revoked this won't be
noticed immediately, only after the attribute
timeout has expired */
- } else if (mask & MAY_ACCESS) {
+ } else if (mask & (MAY_ACCESS | MAY_CHDIR)) {
err = fuse_access(inode, mask);
} else if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode)) {
if (!(inode->i_mode & S_IXUGO)) {