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-rw-r--r--include/linux/security.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index ac050830a873..cbd970a735f2 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -34,6 +34,12 @@
#include <linux/xfrm.h>
#include <net/flow.h>
+/* only a char in selinux superblock security struct flags */
+#define FSCONTEXT_MNT 0x01
+#define CONTEXT_MNT 0x02
+#define ROOTCONTEXT_MNT 0x04
+#define DEFCONTEXT_MNT 0x08
+
/*
* Bounding set
*/
@@ -261,6 +267,22 @@ struct request_sock;
* Update module state after a successful pivot.
* @old_nd contains the nameidata structure for the old root.
* @new_nd contains the nameidata structure for the new root.
+ * @sb_get_mnt_opts:
+ * Get the security relevant mount options used for a superblock
+ * @sb the superblock to get security mount options from
+ * @mount_options array for pointers to mount options
+ * @mount_flags array of ints specifying what each mount options is
+ * @num_opts number of options in the arrays
+ * @sb_set_mnt_opts:
+ * Set the security relevant mount options used for a superblock
+ * @sb the superblock to set security mount options for
+ * @mount_options array for pointers to mount options
+ * @mount_flags array of ints specifying what each mount options is
+ * @num_opts number of options in the arrays
+ * @sb_clone_mnt_opts:
+ * Copy all security options from a given superblock to another
+ * @oldsb old superblock which contain information to clone
+ * @newsb new superblock which needs filled in
*
* Security hooks for inode operations.
*
@@ -1242,6 +1264,13 @@ struct security_operations {
struct nameidata * new_nd);
void (*sb_post_pivotroot) (struct nameidata * old_nd,
struct nameidata * new_nd);
+ int (*sb_get_mnt_opts) (const struct super_block *sb,
+ char ***mount_options, int **flags,
+ int *num_opts);
+ int (*sb_set_mnt_opts) (struct super_block *sb, char **mount_options,
+ int *flags, int num_opts);
+ void (*sb_clone_mnt_opts) (const struct super_block *oldsb,
+ struct super_block *newsb);
int (*inode_alloc_security) (struct inode *inode);
void (*inode_free_security) (struct inode *inode);
@@ -1499,6 +1528,13 @@ void security_sb_post_mountroot(void);
void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd);
int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd);
void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd);
+int security_sb_get_mnt_opts(const struct super_block *sb, char ***mount_options,
+ int **flags, int *num_opts);
+int security_sb_set_mnt_opts(struct super_block *sb, char **mount_options,
+ int *flags, int num_opts);
+void security_sb_clone_mnt_opts(const struct super_block *oldsb,
+ struct super_block *newsb);
+
int security_inode_alloc(struct inode *inode);
void security_inode_free(struct inode *inode);
int security_inode_init_security(struct inode *inode, struct inode *dir,