diff options
Diffstat (limited to 'include/linux/lsm_hooks.h')
| -rw-r--r-- | include/linux/lsm_hooks.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index e29d4c62a3c8..1aa63335de9e 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -630,10 +630,19 @@ * Check permission before getting the ioprio value of @p. * @p contains the task_struct of process. * Return 0 if permission is granted. + * @task_prlimit: + * Check permission before getting and/or setting the resource limits of + * another task. + * @cred points to the cred structure for the current task. + * @tcred points to the cred structure for the target task. + * @flags contains the LSM_PRLIMIT_* flag bits indicating whether the + * resource limits are being read, modified, or both. + * Return 0 if permission is granted. * @task_setrlimit: - * Check permission before setting the resource limits of the current - * process for @resource to @new_rlim. The old resource limit values can - * be examined by dereferencing (current->signal->rlim + resource). + * Check permission before setting the resource limits of process @p + * for @resource to @new_rlim. The old resource limit values can + * be examined by dereferencing (p->signal->rlim + resource). + * @p points to the task_struct for the target task's group leader. * @resource contains the resource whose limit is being set. * @new_rlim contains the new limits for @resource. * Return 0 if permission is granted. @@ -1494,6 +1503,8 @@ union security_list_options { int (*task_setnice)(struct task_struct *p, int nice); int (*task_setioprio)(struct task_struct *p, int ioprio); int (*task_getioprio)(struct task_struct *p); + int (*task_prlimit)(const struct cred *cred, const struct cred *tcred, + unsigned int flags); int (*task_setrlimit)(struct task_struct *p, unsigned int resource, struct rlimit *new_rlim); int (*task_setscheduler)(struct task_struct *p); @@ -1755,6 +1766,7 @@ struct security_hook_heads { struct list_head task_setnice; struct list_head task_setioprio; struct list_head task_getioprio; + struct list_head task_prlimit; struct list_head task_setrlimit; struct list_head task_setscheduler; struct list_head task_getscheduler; @@ -1908,6 +1920,13 @@ static inline void security_delete_hooks(struct security_hook_list *hooks, } #endif /* CONFIG_SECURITY_SELINUX_DISABLE */ +/* Currently required to handle SELinux runtime hook disable. */ +#ifdef CONFIG_SECURITY_WRITABLE_HOOKS +#define __lsm_ro_after_init +#else +#define __lsm_ro_after_init __ro_after_init +#endif /* CONFIG_SECURITY_WRITABLE_HOOKS */ + extern int __init security_module_enable(const char *module); extern void __init capability_add_hooks(void); #ifdef CONFIG_SECURITY_YAMA |