/*
* Copyright (c) 2023-2024 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <darwintest.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "net_test_lib.h"
T_GLOBAL_META(
T_META_NAMESPACE("xnu.net"),
T_META_ASROOT(true),
T_META_RADAR_COMPONENT_NAME("xnu"),
T_META_RADAR_COMPONENT_VERSION("networking"),
T_META_CHECK_LEAKS(false));
static char ifname1[IF_NAMESIZE];
static void
cleanup(void)
{
if (ifname1[0] != '\0') {
T_LOG("ifnet_destroy %s", ifname1);
(void)ifnet_destroy(ifname1, false);
}
}
static void
set_sockaddr_in6(struct sockaddr_in6 *sin6_p, const struct in6_addr *addr)
{
sin6_p->sin6_family = AF_INET6;
sin6_p->sin6_len = sizeof(struct sockaddr_in6);
sin6_p->sin6_addr = *addr;
return;
}
static int
inet6_difaddr(const char *name, const struct in6_addr *addr)
{
struct in6_ifreq ifr;
int s6 = inet6_dgram_socket_get();
bzero(&ifr, sizeof(ifr));
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (addr != NULL) {
set_sockaddr_in6(&ifr.ifr_ifru.ifru_addr, addr);
}
return ioctl(s6, SIOCDIFADDR_IN6, &ifr);
}
static void
in6_len2mask(struct in6_addr *mask, int len)
{
int i;
bzero(mask, sizeof(*mask));
for (i = 0; i < len / 8; i++) {
mask->s6_addr[i] = 0xff;
}
if (len % 8) {
mask->s6_addr[i] = (0xff00 >> (len % 8)) & 0xff;
}
}
static int
inet6_aifaddr(const char *name, const struct in6_addr *addr,
const struct in6_addr *dstaddr, int prefix_length,
int flags,
u_int32_t valid_lifetime,
u_int32_t preferred_lifetime)
{
struct in6_aliasreq ifra_in6;
int s6 = inet6_dgram_socket_get();
bzero(&ifra_in6, sizeof(ifra_in6));
strncpy(ifra_in6.ifra_name, name, sizeof(ifra_in6.ifra_name));
ifra_in6.ifra_lifetime.ia6t_vltime = valid_lifetime;
ifra_in6.ifra_lifetime.ia6t_pltime = preferred_lifetime;
ifra_in6.ifra_flags = flags;
if (addr != NULL) {
set_sockaddr_in6(&ifra_in6.ifra_addr, addr);
}
if (dstaddr != NULL) {
set_sockaddr_in6(&ifra_in6.ifra_dstaddr, dstaddr);
}
if (prefix_length != 0) {
struct in6_addr prefixmask;
in6_len2mask(&prefixmask, prefix_length);
set_sockaddr_in6(&ifra_in6.ifra_prefixmask, &prefixmask);
}
return ioctl(s6, SIOCAIFADDR_IN6, &ifra_in6);
}
static void
create_fake_interface(void)
{
int error;
strlcpy(ifname1, FETH_NAME, sizeof(ifname1));
error = ifnet_create_2(ifname1, sizeof(ifname1));
if (error != 0) {
ifname1[0] = '\0';
T_ASSERT_POSIX_SUCCESS(error, "ifnet_create_2");
}
T_LOG("created %s", ifname1);
}
T_DECL(inet6_addr_mode_auto_to_manual, "inet6 address mode-switching (auto -> manual)")
{
struct in6_addr lladdr;
struct in6_addr newaddr;
unsigned int if_index;
T_ATEND(cleanup);
create_fake_interface();
ifnet_start_ipv6(ifname1);
if_index = if_nametoindex(ifname1);
T_EXPECT_GT(if_index, 0, NULL);
T_ASSERT_EQ(inet6_get_linklocal_address(if_index, &lladdr), 1, NULL);
T_ASSERT_POSIX_SUCCESS(inet6_aifaddr(ifname1, &lladdr, NULL, 64, 123, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME), NULL);
/* Create address as an autoconfed address */
T_ASSERT_EQ(inet_pton(AF_INET6, "2001:db8::3", &newaddr), 1, NULL);
T_ASSERT_POSIX_SUCCESS(inet6_aifaddr(ifname1, &newaddr, NULL, 64, (IN6_IFF_AUTOCONF | IN6_IFF_TEMPORARY), ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME), NULL);
/* Now mark it as manual */
T_ASSERT_POSIX_SUCCESS(inet6_aifaddr(ifname1, &newaddr, NULL, 64, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME), NULL);
/* Deleting address should NOT result in panic */
T_ASSERT_POSIX_SUCCESS(inet6_difaddr(ifname1, &newaddr), NULL);
}
T_DECL(inet6_addr_mode_manual_to_auto, "inet6 address mode-switching (manual -> auto)")
{
struct in6_addr lladdr;
struct in6_addr newaddr;
unsigned int if_index;
T_ATEND(cleanup);
create_fake_interface();
T_LOG("created %s", ifname1);
ifnet_start_ipv6(ifname1);
if_index = if_nametoindex(ifname1);
T_EXPECT_GT(if_index, 0, NULL);
T_ASSERT_EQ(inet6_get_linklocal_address(if_index, &lladdr), 1, NULL);
T_ASSERT_POSIX_SUCCESS(inet6_aifaddr(ifname1, &lladdr, NULL, 64, 123, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME), NULL);
/* Create address as a manual address */
T_ASSERT_EQ(inet_pton(AF_INET6, "2001:db8::1", &newaddr), 1, NULL);
T_ASSERT_POSIX_SUCCESS(inet6_aifaddr(ifname1, &newaddr, NULL, 64, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME), NULL);
/* Now make it autoconfed */
T_ASSERT_POSIX_SUCCESS(inet6_aifaddr(ifname1, &newaddr, NULL, 64, (IN6_IFF_AUTOCONF | IN6_IFF_TEMPORARY), ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME), NULL);
/* Deleting address should NOT result in panic */
T_ASSERT_POSIX_SUCCESS(inet6_difaddr(ifname1, &newaddr), NULL);
}