bsd/kern/kern_credential.c

36  * Kernel Authorization framework: Management of process/thread credentials
88  * Note:	Does *NOT* currently include per-thread credential changes
329  *		which is serviced by an external resolver thread calling
331  *		cancellation, or an external resolver thread calls in with
380 	 * the resolver will it to the submitted thread when appropriate.
395 	 * Wake up an external resolver thread to deal with the new work; one
397 	 * when a resolver thread comes back into the kernel to request new
681 	thread_t thread;
691 	 * If we lost a race with another thread/memberd restarting, then we
693 	 * restarting, then the msleep0() will error out here, as our thread
701 		 * If this is a wakeup from another thread in the resolver
702 		 * deregistering it, error out the request-for-work thread
710 	thread = current_thread();
711 	ut = get_bsdthread_info(thread);
732  *		a request.  This is specifically used so that our per thread
836 		thread_t thread = current_thread();
837 		struct uthread *ut = get_bsdthread_info(thread);
843 		 * If this is a wakeup from another thread in the resolver
844 		 * deregistering it, error out the request-for-work thread
3135  *		per process, one per thread, one per vnode cache entry, and
3175  * Description:	Get the current thread's effective UID.
3180  *						current thread
3192  * Description:	Get the current thread's real UID.
3197  *						thread
3209  * Description:	Get the current thread's effective GID.
3214  *						current thread
3226  * Description:	Get the current thread's real GID.
3231  *						thread
3243  * Description:	Returns a pointer to the current thread's credential
3247  * Returns:	(kauth_cred_t)			Pointer to the current thread's
3251  *		caller MUST NOT do anything that would let the thread's
3271 		panic("thread wants credential but has no BSD thread info");
3281 			panic("thread wants credential but has no BSD process");
3311  *		in the case that the process thread may have been changed
3312  *		since the last time the thread entered the kernel.  It is
3332  * Description:	Takes a reference on the current thread's credential, and then
3337  * Returns:	(kauth_cred_t)			Pointer to the current thread's
3362 		panic("%s - thread wants credential but has no BSD thread info", __FUNCTION__);
3364 		panic("%s - thread wants credential but has no BSD process", __FUNCTION__);
3374 		/* take reference for new cred in thread */
3925  *		This code is only ever called from the per-thread credential
3926  *		code path in the "set per thread credential" case; and in
4228 			 * We need to protect for a race where another thread
4306 			 * We need to protect for a race where another thread