This is needed for computing pathnames in the AppArmor LSM.
Signed-off-by: Tony Jones <[EMAIL PROTECTED]>
Signed-off-by: Andreas Gruenbacher <[EMAIL PROTECTED]>
Signed-off-by: John Johansen <[EMAIL PROTECTED]>
---
fs/namei.c | 2 +-
include/linux/security.h | 12 ++++++++----
security/dummy.c | 3 ++-
security/selinux/hooks.c | 3 ++-
4 files changed, 13 insertions(+), 7 deletions(-)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2023,7 +2023,7 @@ int vfs_rmdir(struct inode *dir, struct
if (d_mountpoint(dentry))
error = -EBUSY;
else {
- error = security_inode_rmdir(dir, dentry);
+ error = security_inode_rmdir(dir, dentry, mnt);
if (!error) {
error = dir->i_op->rmdir(dir, dentry);
if (!error)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -318,6 +318,7 @@ struct request_sock;
* Check the permission to remove a directory.
* @dir contains the inode structure of parent of the directory to be
removed.
* @dentry contains the dentry structure of directory to be removed.
+ * @mnt is the vfsmount corresponding to @dentry (may be NULL).
* Return 0 if permission is granted.
* @inode_mknod:
* Check permissions when creating a special file (or a socket or a fifo
@@ -1222,7 +1223,8 @@ struct security_operations {
struct vfsmount *mnt, const char *old_name);
int (*inode_mkdir) (struct inode *dir, struct dentry *dentry,
struct vfsmount *mnt, int mode);
- int (*inode_rmdir) (struct inode *dir, struct dentry *dentry);
+ int (*inode_rmdir) (struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt);
int (*inode_mknod) (struct inode *dir, struct dentry *dentry,
struct vfsmount *mnt, int mode, dev_t dev);
int (*inode_rename) (struct inode *old_dir, struct dentry *old_dentry,
@@ -1671,11 +1673,12 @@ static inline int security_inode_mkdir (
}
static inline int security_inode_rmdir (struct inode *dir,
- struct dentry *dentry)
+ struct dentry *dentry,
+ struct vfsmount *mnt)
{
if (unlikely (IS_PRIVATE (dentry->d_inode)))
return 0;
- return security_ops->inode_rmdir (dir, dentry);
+ return security_ops->inode_rmdir (dir, dentry, mnt);
}
static inline int security_inode_mknod (struct inode *dir,
@@ -2396,7 +2399,8 @@ static inline int security_inode_mkdir (
}
static inline int security_inode_rmdir (struct inode *dir,
- struct dentry *dentry)
+ struct dentry *dentry,
+ struct vfsmount *mnt)
{
return 0;
}
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -295,7 +295,8 @@ static int dummy_inode_mkdir (struct ino
return 0;
}
-static int dummy_inode_rmdir (struct inode *inode, struct dentry *dentry)
+static int dummy_inode_rmdir (struct inode *inode, struct dentry *dentry,
+ struct vfsmount *mnt)
{
return 0;
}
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2221,7 +2221,8 @@ static int selinux_inode_mkdir(struct in
return may_create(dir, dentry, SECCLASS_DIR);
}
-static int selinux_inode_rmdir(struct inode *dir, struct dentry *dentry)
+static int selinux_inode_rmdir(struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt)
{
return may_link(dir, dentry, MAY_RMDIR);
}
--
-
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