LSM: Add security_path_chroot().

[net-next-2.6.git] / include / linux / security.h

diff --git a/include/linux/security.h b/include/linux/security.h
index 239e40d0450bc02380b30c08e8854ecc3d4ba638..ed0faea60b8257572a55c01949df4883c0402baf 100644 (file)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -447,6 +447,22 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *     @new_dir contains the path structure for parent of the new link.
  *     @new_dentry contains the dentry structure of the new link.
  *     Return 0 if permission is granted.
+ * @path_chmod:
+ *     Check for permission to change DAC's permission of a file or directory.
+ *     @dentry contains the dentry structure.
+ *     @mnt contains the vfsmnt structure.
+ *     @mode contains DAC's mode.
+ *     Return 0 if permission is granted.
+ * @path_chown:
+ *     Check for permission to change owner/group of a file or directory.
+ *     @path contains the path structure.
+ *     @uid contains new owner's ID.
+ *     @gid contains new group's ID.
+ *     Return 0 if permission is granted.
+ * @path_chroot:
+ *     Check for permission to change root directory.
+ *     @path contains the path structure.
+ *     Return 0 if permission is granted.
  * @inode_readlink:
  *     Check the permission to read the symbolic link.
  *     @dentry contains the dentry structure for the file link.
@@ -1488,6 +1504,10 @@ struct security_operations {
                          struct dentry *new_dentry);
        int (*path_rename) (struct path *old_dir, struct dentry *old_dentry,
                            struct path *new_dir, struct dentry *new_dentry);
+       int (*path_chmod) (struct dentry *dentry, struct vfsmount *mnt,
+                          mode_t mode);
+       int (*path_chown) (struct path *path, uid_t uid, gid_t gid);
+       int (*path_chroot) (struct path *path);
 #endif
 
        int (*inode_alloc_security) (struct inode *inode);
@@ -2952,6 +2972,10 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
                       struct dentry *new_dentry);
 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
                         struct path *new_dir, struct dentry *new_dentry);
+int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
+                       mode_t mode);
+int security_path_chown(struct path *path, uid_t uid, gid_t gid);
+int security_path_chroot(struct path *path);
 #else  /* CONFIG_SECURITY_PATH */
 static inline int security_path_unlink(struct path *dir, struct dentry *dentry)
 {
@@ -3001,6 +3025,23 @@ static inline int security_path_rename(struct path *old_dir,
 {
        return 0;
 }
+
+static inline int security_path_chmod(struct dentry *dentry,
+                                     struct vfsmount *mnt,
+                                     mode_t mode)
+{
+       return 0;
+}
+
+static inline int security_path_chown(struct path *path, uid_t uid, gid_t gid)
+{
+       return 0;
+}
+
+static inline int security_path_chroot(struct path *path)
+{
+       return 0;
+}
 #endif /* CONFIG_SECURITY_PATH */
 
 #ifdef CONFIG_KEYS