2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include <stdio.h>
2N/A#include <stdlib.h>
2N/A#include <unistd.h>
2N/A#include <string.h>
2N/A#include <stropts.h>
2N/A#include <errno.h>
2N/A#include <sys/sysmacros.h>
2N/A#include <sys/socket.h>
2N/A#include <sys/sockio.h>
2N/A#include <netinet/in.h>
2N/A
2N/Aint
2N/Agetsourcefilter(int s, uint32_t interface, struct sockaddr *group,
2N/A socklen_t grouplen, uint32_t *fmode, uint_t *numsrc,
2N/A struct sockaddr_storage *slist)
2N/A{
2N/A struct group_filter *gf;
2N/A int mallocsize, orig_numsrc, cpsize, rtnerr;
2N/A
2N/A mallocsize = (*numsrc == 0) ?
2N/A sizeof (struct group_filter) : GROUP_FILTER_SIZE(*numsrc);
2N/A gf = (struct group_filter *)malloc(mallocsize);
2N/A if (gf == NULL) {
2N/A errno = ENOMEM;
2N/A return (-1);
2N/A }
2N/A
2N/A gf->gf_interface = interface;
2N/A gf->gf_numsrc = orig_numsrc = *numsrc;
2N/A switch (group->sa_family) {
2N/A case AF_INET:
2N/A if (grouplen < sizeof (struct sockaddr_in)) {
2N/A rtnerr = ENOPROTOOPT;
2N/A goto done;
2N/A }
2N/A (void) memcpy((void *)&gf->gf_group, (void *)group,
2N/A sizeof (struct sockaddr_in));
2N/A break;
2N/A case AF_INET6:
2N/A if (grouplen < sizeof (struct sockaddr_in6)) {
2N/A rtnerr = ENOPROTOOPT;
2N/A goto done;
2N/A }
2N/A (void) memcpy((void *)&gf->gf_group, (void *)group,
2N/A sizeof (struct sockaddr_in6));
2N/A break;
2N/A default:
2N/A rtnerr = EAFNOSUPPORT;
2N/A goto done;
2N/A }
2N/A
2N/A rtnerr = ioctl(s, SIOCGMSFILTER, (void *)gf);
2N/A if (rtnerr == -1) {
2N/A rtnerr = errno;
2N/A goto done;
2N/A }
2N/A
2N/A *fmode = gf->gf_fmode;
2N/A *numsrc = gf->gf_numsrc;
2N/A cpsize = MIN(orig_numsrc, *numsrc) * sizeof (struct sockaddr_storage);
2N/A (void) memcpy((void *)slist, (void *)gf->gf_slist, cpsize);
2N/A
2N/Adone:
2N/A free(gf);
2N/A errno = rtnerr;
2N/A if (errno != 0)
2N/A return (-1);
2N/A
2N/A return (0);
2N/A}
2N/A
2N/Aint
2N/Asetsourcefilter(int s, uint32_t interface, struct sockaddr *group,
2N/A socklen_t grouplen, uint32_t fmode, uint_t numsrc,
2N/A struct sockaddr_storage *slist)
2N/A{
2N/A struct group_filter *gf;
2N/A int mallocsize, rtnerr;
2N/A
2N/A mallocsize = (numsrc == 0) ?
2N/A sizeof (struct group_filter) : GROUP_FILTER_SIZE(numsrc);
2N/A gf = (struct group_filter *)malloc(mallocsize);
2N/A if (gf == NULL) {
2N/A errno = ENOMEM;
2N/A return (-1);
2N/A }
2N/A
2N/A switch (group->sa_family) {
2N/A case AF_INET:
2N/A if (grouplen < sizeof (struct sockaddr_in)) {
2N/A rtnerr = ENOPROTOOPT;
2N/A goto done;
2N/A }
2N/A (void) memcpy((void *)&gf->gf_group, (void *)group,
2N/A sizeof (struct sockaddr_in));
2N/A break;
2N/A case AF_INET6:
2N/A if (grouplen < sizeof (struct sockaddr_in6)) {
2N/A rtnerr = ENOPROTOOPT;
2N/A goto done;
2N/A }
2N/A (void) memcpy((void *)&gf->gf_group, (void *)group,
2N/A sizeof (struct sockaddr_in6));
2N/A break;
2N/A default:
2N/A rtnerr = EAFNOSUPPORT;
2N/A goto done;
2N/A }
2N/A gf->gf_interface = interface;
2N/A gf->gf_fmode = fmode;
2N/A gf->gf_numsrc = numsrc;
2N/A (void) memcpy((void *)gf->gf_slist, (void *)slist,
2N/A (numsrc * sizeof (struct sockaddr_storage)));
2N/A
2N/A rtnerr = ioctl(s, SIOCSMSFILTER, (void *)gf);
2N/A if (rtnerr == -1) {
2N/A rtnerr = errno;
2N/A }
2N/A
2N/Adone:
2N/A free(gf);
2N/A errno = rtnerr;
2N/A if (errno != 0)
2N/A return (-1);
2N/A
2N/A return (0);
2N/A}
2N/A
2N/Aint
2N/Agetipv4sourcefilter(int s, struct in_addr interface, struct in_addr group,
2N/A uint32_t *fmode, uint32_t *numsrc, struct in_addr *slist)
2N/A{
2N/A struct ip_msfilter *imsf;
2N/A int mallocsize, orig_numsrc, cpsize, rtnerr;
2N/A
2N/A mallocsize = (*numsrc == 0) ?
2N/A sizeof (struct ip_msfilter) : IP_MSFILTER_SIZE(*numsrc);
2N/A imsf = (struct ip_msfilter *)malloc(mallocsize);
2N/A if (imsf == NULL) {
2N/A errno = ENOMEM;
2N/A return (-1);
2N/A }
2N/A
2N/A imsf->imsf_interface = interface;
2N/A imsf->imsf_numsrc = orig_numsrc = *numsrc;
2N/A imsf->imsf_multiaddr = group;
2N/A
2N/A rtnerr = ioctl(s, SIOCGIPMSFILTER, (void *)imsf);
2N/A if (rtnerr == -1) {
2N/A rtnerr = errno;
2N/A goto done;
2N/A }
2N/A
2N/A *fmode = imsf->imsf_fmode;
2N/A *numsrc = imsf->imsf_numsrc;
2N/A cpsize = MIN(orig_numsrc, *numsrc) * sizeof (struct in_addr);
2N/A (void) memcpy((void *)slist, (void *)imsf->imsf_slist, cpsize);
2N/A
2N/Adone:
2N/A free(imsf);
2N/A errno = rtnerr;
2N/A if (errno != 0)
2N/A return (-1);
2N/A
2N/A return (0);
2N/A}
2N/A
2N/Aint
2N/Asetipv4sourcefilter(int s, struct in_addr interface, struct in_addr group,
2N/A uint32_t fmode, uint32_t numsrc, struct in_addr *slist)
2N/A{
2N/A struct ip_msfilter *imsf;
2N/A int mallocsize, rtnerr;
2N/A
2N/A mallocsize = (numsrc == 0) ?
2N/A sizeof (struct ip_msfilter) : IP_MSFILTER_SIZE(numsrc);
2N/A imsf = (struct ip_msfilter *)malloc(mallocsize);
2N/A if (imsf == NULL) {
2N/A errno = ENOMEM;
2N/A return (-1);
2N/A }
2N/A
2N/A imsf->imsf_multiaddr = group;
2N/A imsf->imsf_interface = interface;
2N/A imsf->imsf_fmode = fmode;
2N/A imsf->imsf_numsrc = numsrc;
2N/A (void) memcpy((void *)imsf->imsf_slist, (void *)slist,
2N/A (numsrc * sizeof (struct in_addr)));
2N/A
2N/A rtnerr = ioctl(s, SIOCSIPMSFILTER, (void *)imsf);
2N/A if (rtnerr == -1) {
2N/A rtnerr = errno;
2N/A }
2N/A
2N/A free(imsf);
2N/A errno = rtnerr;
2N/A if (errno != 0)
2N/A return (-1);
2N/A
2N/A return (0);
2N/A}