Function sctp_auth_key_release

freebsd/netinet/sctp_auth.c:563–588

}

void
sctp_auth_key_release(struct sctp_tcb *stcb, uint16_t key_id, int so_locked)
{
	sctp_sharedkey_t *skey;

	/* find the shared key */
	skey = sctp_find_sharedkey(&stcb->asoc.shared_keys, key_id);

	/* decrement the ref count */
	if (skey) {
		SCTPDBG(SCTP_DEBUG_AUTH2,
		    "%s: stcb %p key %u refcount release to %d\n",
		    __func__, (void *)stcb, key_id, skey->refcount);

		/* see if a notification should be generated */
		if ((skey->refcount <= 2) && (skey->deactivated)) {
			/* notify ULP that key is no longer used */
			sctp_ulp_notify(SCTP_NOTIFY_AUTH_FREE_KEY, stcb,
			    key_id, 0, so_locked);
			SCTPDBG(SCTP_DEBUG_AUTH2,
			    "%s: stcb %p key %u no longer used, %d\n",
			    __func__, (void *)stcb, key_id, skey->refcount);
		}
		sctp_free_sharedkey(skey);
	}
}

static sctp_sharedkey_t *
sctp_copy_sharedkey(const sctp_sharedkey_t *skey)