diff options
| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2009-10-04 21:49:48 +0900 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-10-12 10:56:02 +1100 |
| commit | 8b8efb44033c7e86b3dc76f825c693ec92ae30e9 (patch) | |
| tree | 8cf43afc59f88f36a86f3a8165770bccec28b3c3 /include/linux/security.h | |
| parent | 89eda06837094ce9f34fae269b8773fcfd70f046 (diff) | |
LSM: Add security_path_chroot().
This patch allows pathname based LSM modules to check chroot() operations.
This hook is used by TOMOYO.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'include/linux/security.h')
| -rw-r--r-- | include/linux/security.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h index c8a584c26f7b..ed0faea60b82 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -459,6 +459,10 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @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. @@ -1503,6 +1507,7 @@ struct security_operations { 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); @@ -2970,6 +2975,7 @@ int security_path_rename(struct path *old_dir, struct dentry *old_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) { @@ -3031,6 +3037,11 @@ 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 |