usr.lib/ilbd/ilbd_support.c

dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * CDDL HEADER START
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * The contents of this file are subject to the terms of the
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Common Development and Distribution License (the "License").
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * You may not use this file except in compliance with the License.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * or http://www.opensolaris.org/os/licensing.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * See the License for the specific language governing permissions
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * and limitations under the License.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * When distributing Covered Code, include this CDDL HEADER in each
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * If applicable, add the following below this CDDL HEADER, with the
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * fields enclosed by brackets "[]" replaced with your own identifying
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * information: Portions Copyright [yyyy] [name of copyright owner]
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * CDDL HEADER END
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Use is subject to license terms.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <stdio.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <stdlib.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <strings.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <unistd.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <stropts.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <sys/types.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <sys/socket.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <sys/stropts.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <sys/sockio.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <errno.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <sys/list.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <auth_attr.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <auth_list.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <secdb.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include <libilb.h>
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include "libilb_impl.h"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra#include "ilbd.h"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * logs error messages, either to stderr or syslog, depending on
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * the -d option
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrastatic boolean_t    ilbd_debugging = B_FALSE;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/* Socket to issue ioctl() to the kernel */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrastatic  int ksock = -1;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misravoid
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailbd_enable_debug(void)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ilbd_debugging = B_TRUE;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misraboolean_t
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrais_debugging_on(void)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    return (ilbd_debugging);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * All routines log to syslog, unless the daemon is running in
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * the foreground, in which case the logging goes to stderr.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * The following logging functions are available:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      logdebug(): A printf-like function for outputting debug messages
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      (messages at LOG_DEBUG) that are only of use to developers.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      logerr(): A printf-like function for outputting error messages
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      (messages at LOG_ERR) from the daemon.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      logperror*(): A set of functions used to output error messages
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      (messages at LOG_ERR); these automatically append strerror(errno)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      and a newline to the message passed to them.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * NOTE: since the logging functions write to syslog, the messages passed
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      to them are not eligible for localization.  Thus, gettext() must
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *      *not* be used.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/* PRINTFLIKE2 */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misravoid
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailbd_log(int pri, const char *fmt, ...)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    va_list ap;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    va_start(ap, fmt);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (ilbd_debugging == B_TRUE) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        (void) vfprintf(stderr, fmt, ap);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        (void) fprintf(stderr, "\n");
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    } else {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        vsyslog(pri, fmt, ap);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    va_end(ap);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/* PRINTFLIKE1 */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misravoid
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misralogperror(const char *str)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (ilbd_debugging == B_TRUE)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        (void) fprintf(stderr, "%s: %s\n", str, strerror(errno));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    else
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        syslog(LOG_ERR, "%s: %m", str);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_status_t
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailbd_check_client_config_auth(const struct passwd *pwd)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (chkauthattr(NET_ILB_CONFIG_AUTH, pwd->pw_name) == 0) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        logdebug("user %s is not authorized for"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            " configuration operation", pwd->pw_name);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        return (ILB_STATUS_CFGAUTH);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    return (ILB_STATUS_OK);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_status_t
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailbd_check_client_enable_auth(const struct passwd *pwd)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (chkauthattr(NET_ILB_ENABLE_AUTH, pwd->pw_name) == 0) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        logdebug("user %s is not authorized for"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            " enable/disable operation", pwd->pw_name);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        return (ILB_STATUS_CFGAUTH);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    return (ILB_STATUS_OK);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * input param. "err" should be one of the errnos defined in
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * /usr/include/sys/errno.h
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * this list is NOT complete.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_status_t
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_map_errno2ilbstat(int err)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ilb_status_t    rc = ILB_STATUS_INTERNAL;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    switch (err) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case 0:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        rc = ILB_STATUS_OK; /* for completeness' sake */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case EINVAL:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        rc = ILB_STATUS_EINVAL;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ENOENT:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        rc = ILB_STATUS_ENOENT;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ENOMEM:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        rc = ILB_STATUS_ENOMEM;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case EINPROGRESS:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        rc = ILB_STATUS_INPROGRESS;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case EEXIST:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        rc = ILB_STATUS_EEXIST;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    return (rc);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrastatic int
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrai_get_kcmd_sz(void *cmdp)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    int     sz;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    switch (((ilb_rule_cmd_t *)cmdp)->cmd) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_DESTROY_RULE:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_ENABLE_RULE:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_DISABLE_RULE:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (ilb_name_cmd_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_CREATE_RULE:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_LIST_RULE:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (ilb_rule_cmd_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_NUM_RULES:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (ilb_num_rules_cmd_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_NUM_SERVERS:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (ilb_num_servers_cmd_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_ADD_SERVERS: {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        ilb_servers_info_cmd_t *kcmd = (ilb_servers_info_cmd_t *)cmdp;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (*kcmd) + ((kcmd->num_servers - 1) *
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            sizeof (kcmd->servers));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_RULE_NAMES: {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        ilb_rule_names_cmd_t *kcmd = (ilb_rule_names_cmd_t *)cmdp;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (*kcmd) +
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            ((kcmd->num_names - 1) * sizeof (kcmd->buf));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_DEL_SERVERS:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_ENABLE_SERVERS:
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    case ILB_DISABLE_SERVERS: {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        ilb_servers_cmd_t *kcmd = (ilb_servers_cmd_t *)cmdp;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = sizeof (*kcmd) +
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            ((kcmd->num_servers - 1) * sizeof (kcmd->servers));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    default: sz = -1;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        break;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    return (sz);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * parameter 'sz' is optional (indicated by == 0); if it's not set
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * we try to derive it from cmdp->cmd
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailb_status_t
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrado_ioctl(void *cmdp, ssize_t sz)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    struct strioctl ioc;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    int     i_rc;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (ksock == -1) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        ksock = socket(AF_INET, SOCK_DGRAM, 0);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        if (ksock == -1) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            logperror("do_ioctl: AF_INET socket call"
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra                "  failed");
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            return (ILB_STATUS_INTERNAL);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    (void) memset(&ioc, 0, sizeof (ioc));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ioc.ic_cmd = SIOCILB;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ioc.ic_timout = 0;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ioc.ic_dp = cmdp;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (sz == 0) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        sz = i_get_kcmd_sz(cmdp);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        if (sz == -1) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            logdebug("do_ioctl: unknown command");
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            return (ILB_STATUS_INVAL_CMD);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ioc.ic_len = sz;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    i_rc = ioctl(ksock, I_STR, (caddr_t)&ioc);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    if (i_rc == -1) {
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        logdebug("do_ioctl: SIOCILB ioctl (%d) failed: %s",
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra            *(ilb_cmd_t *)cmdp, strerror(errno));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra        return (ilb_map_errno2ilbstat(errno));
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    }
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    return (ILB_STATUS_OK);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Create an OK reply to a client request.  It is assumed that the passed
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * in buffer is large enough to hold the reply.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misravoid
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailbd_reply_ok(uint32_t *rbuf, size_t *rbufsz)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ilb_comm_t *ic = (ilb_comm_t *)rbuf;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ic->ic_cmd = ILBD_CMD_OK;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    /* Default is one exchange of request/response. */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ic->ic_flags = ILB_COMM_END;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    *rbufsz = sizeof (ilb_comm_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra/*
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * Create an error reply to a client request.  It is assumed that the passed
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra * in buffer is large enough to hold the reply.
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misravoid
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misrailbd_reply_err(uint32_t *rbuf, size_t *rbufsz, ilb_status_t status)
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra{
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ilb_comm_t *ic = (ilb_comm_t *)rbuf;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ic->ic_cmd = ILBD_CMD_ERROR;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    /* Default is one exchange of request/response. */
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    ic->ic_flags = ILB_COMM_END;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    *(ilb_status_t *)&ic->ic_data = status;
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra    *rbufsz = sizeof (ilb_comm_t) + sizeof (ilb_status_t);
dbed73cbda2229fd1aa6dc5743993cae7f0a7ee9Sangeeta Misra}