diff options
Diffstat (limited to 'include/linux/security.h')
| -rw-r--r-- | include/linux/security.h | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/include/linux/security.h b/include/linux/security.h index 239e40d0450b..466cbadbd1ef 100644 --- 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. @@ -690,6 +706,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @kernel_module_request: * Ability to trigger the kernel to automatically upcall to userspace for * userspace to load a kernel module with the given name. + * @kmod_name name of the module requested by the kernel * Return 0 if successful. * @task_setuid: * Check permission before setting one or more of the user identity @@ -1488,6 +1505,10 @@ 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); @@ -1557,7 +1578,7 @@ struct security_operations { void (*cred_transfer)(struct cred *new, const struct cred *old); int (*kernel_act_as)(struct cred *new, u32 secid); int (*kernel_create_files_as)(struct cred *new, struct inode *inode); - int (*kernel_module_request)(void); + int (*kernel_module_request)(char *kmod_name); int (*task_setuid) (uid_t id0, uid_t id1, uid_t id2, int flags); int (*task_fix_setuid) (struct cred *new, const struct cred *old, int flags); @@ -1822,7 +1843,7 @@ void security_commit_creds(struct cred *new, const struct cred *old); void security_transfer_creds(struct cred *new, const struct cred *old); int security_kernel_act_as(struct cred *new, u32 secid); int security_kernel_create_files_as(struct cred *new, struct inode *inode); -int security_kernel_module_request(void); +int security_kernel_module_request(char *kmod_name); int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags); int security_task_fix_setuid(struct cred *new, const struct cred *old, int flags); @@ -2387,7 +2408,7 @@ static inline int security_kernel_create_files_as(struct cred *cred, return 0; } -static inline int security_kernel_module_request(void) +static inline int security_kernel_module_request(char *kmod_name) { return 0; } @@ -2952,6 +2973,10 @@ 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 +3026,23 @@ 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 |