1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * CDDL HEADER START
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * The contents of this file are subject to the terms of the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Common Development and Distribution License (the "License").
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * You may not use this file except in compliance with the License.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * or http://www.opensolaris.org/os/licensing.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * See the License for the specific language governing permissions
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * and limitations under the License.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * When distributing Covered Code, include this CDDL HEADER in each
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * If applicable, add the following below this CDDL HEADER, with the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * fields enclosed by brackets "[]" replaced with your own identifying
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * information: Portions Copyright [yyyy] [name of copyright owner]
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * CDDL HEADER END
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#pragma ident "%Z%%M% %I% %E% SMI"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Use is subject to license terms.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * read thread - Read from tcp client and write to vcc driver. There are one
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * writer and multiple readers per console. The first client who connects to
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * a console get write access. An error message is returned to readers if they
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * attemp to input commands. Read thread accepts special daemon commands from
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * all clients.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <stdio.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <stdlib.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <string.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <unistd.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <sys/types.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <sys/socket.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <netinet/in.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <thread.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <synch.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <signal.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <assert.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <ctype.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <syslog.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <libintl.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include "vntsd.h"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include "chars.h"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* write_vcc() - write to vcc virtual console */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic int
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppowrite_vcc(vntsd_client_t *clientp, char c)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int n;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(clientp->cons);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo n = write(clientp->cons->vcc_fd, &c, 1);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (n < 0) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* write error */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (errno == EINTR) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (vntsd_cons_chk_intr(clientp));
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_VCC_IO_ERR);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(n != 0);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * acquire_writer() the client is going to be writer.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * insert the client to the head of the console client queue.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic int
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppoacquire_writer(vntsd_client_t *clientp)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo vntsd_cons_t *consp;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo vntsd_client_t *writerp;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int rv;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo D1(stderr, "t@%d:acuire_writer :client@%d\n", thr_self(),
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo clientp->sockfd);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(clientp != NULL);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo consp = clientp->cons;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(consp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_lock(&consp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(consp->clientpq != NULL);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (consp->clientpq->handle == clientp) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* clientp is a writer already */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_unlock(&consp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* current writer */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo writerp = (vntsd_client_t *)(consp->clientpq->handle);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_lock(&writerp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_que_rm(&(consp->clientpq), clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(rv == VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_lock(&clientp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* move client to be first in the console queue */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo consp->clientpq->handle = clientp;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* move previous writer to be the second in the queue */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_que_insert_after(consp->clientpq, clientp, writerp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_unlock(&consp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_unlock(&writerp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_unlock(&clientp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* write warning message to the writer */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if ((rv = vntsd_write_line(writerp,
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo gettext("Warning: Console connection forced into read-only mode")))
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* interrupt handler */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppoint
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppovntsd_cons_chk_intr(vntsd_client_t *clientp)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (clientp->status & VNTSD_CLIENT_TIMEOUT) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_CLIENT_QUIT);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (clientp->status & VNTSD_CLIENT_CONS_DELETED) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_RESELECT_CONS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (clientp->status & VNTSD_CLIENT_IO_ERR) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_CLIENT_QUIT);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_CONTINUE);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* read from client */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic int
1ae0874509b6811fdde1dfd46f0d93fd09867a3fhepporead_char(vntsd_client_t *clientp, char *c)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int rv;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (; ; ) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_read_data(clientp, c);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo switch (rv) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo case VNTSD_STATUS_ACQUIRE_WRITER:
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse clientp->prev_char = 0;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = acquire_writer(clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse case VNTSD_SUCCESS:
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse /*
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse * Based on telnet protocol, when an <eol> is entered,
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse * vntsd receives <0x0d,0x00>. However, console expects
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse * <0xd> only. We need to filter out <0x00>.
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse */
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse if (clientp->prev_char == 0xd && *c == 0) {
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse clientp->prev_char = *c;
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse break;
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse }
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse clientp->prev_char = *c;
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse return (rv);
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo default:
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse assert(rv != VNTSD_STATUS_CONTINUE);
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse clientp->prev_char = 0;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
823fe29b97090ae4962ebcc65cdaf0a757eb4851dtse
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* vntsd_read worker */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppoint
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppovntsd_read(vntsd_client_t *clientp)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo char c;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int rv;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo D3(stderr, "t@%d vntsd_read@%d\n", thr_self(), clientp->sockfd);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (; ; ) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* client input */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = read_char(clientp, &c);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv == VNTSD_STATUS_INTR) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_cons_chk_intr(clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(clientp->cons);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse /*
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * Only keyboard inputs from first connection to a
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * guest console should be accepted. Check to see if
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * this client is the first connection in console
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * queue
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse */
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse if (clientp->cons->clientpq->handle != clientp) {
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse /*
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * Since this console connection is not the first
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * connection in the console queue,
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * it is operating in 'reader'
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse * mode, print warning and ignore the input.
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse */
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse rv = vntsd_write_line(clientp,
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse gettext(VNTSD_NO_WRITE_ACCESS_MSG));
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse /* check errors and interrupts */
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse if (rv == VNTSD_STATUS_INTR) {
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse rv = vntsd_cons_chk_intr(clientp);
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse if (rv != VNTSD_SUCCESS) {
1f79c0b880fa5add6fffbf5debc7996dbef5c1a3dtse return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo continue;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_ctrl_cmd(clientp, c);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo switch (rv) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo case VNTSD_STATUS_CONTINUE:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo continue;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo case VNTSD_STATUS_INTR:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_cons_chk_intr(clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo case VNTSD_SUCCESS:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo default:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* write to vcc */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = write_vcc(clientp, c);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv == VNTSD_STATUS_INTR) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = vntsd_cons_chk_intr(clientp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /*NOTREACHED*/
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (NULL);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}