bsd/kern/kern_credential.c

298  * Parameters:   workp                     Work queue entry.
309 	struct kauth_resolver_work  *workp)
317 		error = msleep(workp, kauth_resolver_mtx, PCATCH, "kr_submit", &ts);
319 		if ((error == 0) && (workp->kr_flags & KAUTH_REQUEST_DONE))
388  *	workp->kr_result:???			An error from the user space
412 	struct kauth_resolver_work *workp, *killp;
438 	MALLOC(workp, struct kauth_resolver_work *, sizeof(*workp), M_KAUTH, M_WAITOK);
439 	if (workp == NULL)
442 	workp->kr_work = *lkp;
443 	workp->kr_extend = extend_data;
444 	workp->kr_refs = 1;
445 	workp->kr_flags = KAUTH_REQUEST_UNSUBMITTED;
446 	workp->kr_result = 0;
453 	workp->kr_seqno = workp->kr_work.el_seqno = kauth_resolver_sequence++;
454 	workp->kr_work.el_result = KAUTH_EXTLOOKUP_INPROG;
462 	TAILQ_INSERT_TAIL(&kauth_resolver_unsubmitted, workp, kr_link);
471 	error = __KERNEL_IS_WAITING_ON_EXTERNAL_CREDENTIAL_RESOLVER__(workp);
475 		*lkp = workp->kr_work;
483 	        if (workp->kr_flags & KAUTH_REQUEST_UNSUBMITTED) {
515 	if (--workp->kr_refs <= 0) {
517 		if (workp->kr_flags & KAUTH_REQUEST_DONE) {
518 			TAILQ_REMOVE(&kauth_resolver_done, workp, kr_link);
519 		} else if (workp->kr_flags & KAUTH_REQUEST_SUBMITTED) {
520 			TAILQ_REMOVE(&kauth_resolver_submitted, workp, kr_link);
521 		} else if (workp->kr_flags & KAUTH_REQUEST_UNSUBMITTED) {
522 			TAILQ_REMOVE(&kauth_resolver_unsubmitted, workp, kr_link);
534 		error = workp->kr_result;
542 		FREE(workp, M_KAUTH);
578 	struct kauth_resolver_work *workp;
598 			while ((workp = TAILQ_LAST(&kauth_resolver_submitted, kauth_resolver_submitted_head)) != NULL) {
599 				TAILQ_REMOVE(&kauth_resolver_submitted, workp, kr_link);
600 				workp->kr_flags &= ~KAUTH_REQUEST_SUBMITTED;
601 				workp->kr_flags |= KAUTH_REQUEST_UNSUBMITTED;
602 				TAILQ_INSERT_HEAD(&kauth_resolver_unsubmitted, workp, kr_link);
794 	struct kauth_resolver_work *workp;
802 	workp = TAILQ_FIRST(&kauth_resolver_unsubmitted);
811 	if ((error = copyout(&workp->kr_work, message, offsetof(struct kauth_identity_extlookup, el_extend))) != 0) {
816 	if ((error = copyout(&workp->kr_work.el_info_reserved_1,
834 	if (workp->kr_work.el_flags & (KAUTH_EXTLOOKUP_VALID_PWNAM | KAUTH_EXTLOOKUP_VALID_GRNAM)) {
845 			error = copyoutstr(CAST_DOWN(void *,workp->kr_extend), uaddr, MAXPATHLEN, &actual);
852 	TAILQ_REMOVE(&kauth_resolver_unsubmitted, workp, kr_link);
853 	workp->kr_flags &= ~KAUTH_REQUEST_UNSUBMITTED;
854 	workp->kr_flags |= KAUTH_REQUEST_SUBMITTED;
855 	TAILQ_INSERT_TAIL(&kauth_resolver_submitted, workp, kr_link);
885 	struct kauth_resolver_work *workp;
890 	while ((workp = TAILQ_FIRST(&kauth_resolver_unsubmitted)) == NULL) {
924 	struct kauth_resolver_work *workp;
1004 		TAILQ_FOREACH(workp, &kauth_resolver_submitted, kr_link) {
1006 			if (workp->kr_seqno == extl.el_seqno) {
1013 				TAILQ_REMOVE(&kauth_resolver_submitted, workp, kr_link);
1014 				workp->kr_flags &= ~KAUTH_REQUEST_SUBMITTED;
1015 				workp->kr_flags |= KAUTH_REQUEST_DONE;
1016 				workp->kr_result = result;
1019 				memcpy(&workp->kr_work, &extl, sizeof(struct kauth_identity_extlookup));
1049 					error = copyinstr(extl.el_extend, CAST_DOWN(void *, workp->kr_extend), MAXPATHLEN, &actual);
1057 				TAILQ_INSERT_TAIL(&kauth_resolver_done, workp, kr_link);
1058 				wakeup(workp);