/*
* Copyright (c) 2023 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
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <darwintest.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 void
udp_port_scan(void)
{
int v4_udp_fd;
T_ASSERT_POSIX_SUCCESS(v4_udp_fd = socket(AF_INET, SOCK_DGRAM, 0),
"fd %d = socket(AF_INET, SOCK_DGRAM)", v4_udp_fd);
char *buffer = "hello";
size_t len = strlen(buffer) + 1;
for (in_port_t port = 1; port > 0 && port <= IPPORT_HILASTAUTO; port++) {
struct sockaddr_in sin = {};
sin.sin_len = sizeof(struct sockaddr_in);
sin.sin_family = AF_INET;
sin.sin_port = htons(port);
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
ssize_t sent;
T_QUIET; T_ASSERT_POSIX_SUCCESS(sent = sendto(v4_udp_fd, buffer, len, 0, (struct sockaddr *)&sin, sin.sin_len),
"sendto() to port %u", port);
}
close(v4_udp_fd);
T_LOG("udp_port_scan done");
}
static int
open_raw_ipv4_socket(void)
{
int fd;
T_ASSERT_POSIX_SUCCESS(fd = socket(AF_INET, SOCK_RAW, 0),
"fd %d = socket(AF_INET, SOCK_RAW)", fd);
return fd;
}
static int
open_raw_ipv6_socket(void)
{
int fd;
T_ASSERT_POSIX_SUCCESS(fd = socket(AF_INET6, SOCK_RAW, 0),
"fd %d = socket(AF_INET6, SOCK_RAW)", fd);
int off = 0;
T_ASSERT_POSIX_SUCCESS(setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &off, sizeof(int)),
"setsockopt(%d, IPPROTO_IPV6, IPV6_V6ONLY)", fd);
return fd;
}
static void
close_raw_socket(int fd)
{
int optval;
socklen_t optlen = sizeof(optval);
T_ASSERT_POSIX_SUCCESS(getsockopt(fd, SOL_SOCKET, SO_NUMRCVPKT, &optval, &optlen),
"getsockopt(%d, SOL_SOCKET, SO_NUMRCVPKT)", fd);
T_LOG("fd %d SO_NUMRCVPKT %d", fd, optval);
(void)close(fd);
}
T_DECL(rip_no_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
udp_port_scan();
T_PASS("%s", __func__);
}
T_DECL(rip_v4_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v4_raw_fd1 = open_raw_ipv4_socket();
udp_port_scan();
close_raw_socket(v4_raw_fd1);
T_PASS("%s", __func__);
}
T_DECL(rip_v6_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v6_raw_fd1 = open_raw_ipv6_socket();
udp_port_scan();
close_raw_socket(v6_raw_fd1);
T_PASS("%s", __func__);
}
T_DECL(rip_v4v4_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v4_raw_fd1 = open_raw_ipv4_socket();
int v4_raw_fd2 = open_raw_ipv4_socket();
udp_port_scan();
close_raw_socket(v4_raw_fd1);
close_raw_socket(v4_raw_fd2);
T_PASS("%s", __func__);
}
T_DECL(rip_v6v6_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v6_raw_fd1 = open_raw_ipv6_socket();
int v6_raw_fd2 = open_raw_ipv6_socket();
udp_port_scan();
close_raw_socket(v6_raw_fd1);
close_raw_socket(v6_raw_fd2);
T_PASS("%s", __func__);
}
T_DECL(rip_v4v6_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v4_raw_fd1 = open_raw_ipv4_socket();
int v6_raw_fd1 = open_raw_ipv6_socket();
udp_port_scan();
close_raw_socket(v4_raw_fd1);
close_raw_socket(v6_raw_fd1);
T_PASS("%s", __func__);
}
T_DECL(rip_v4v4v6_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v4_raw_fd1 = open_raw_ipv4_socket();
int v4_raw_fd2 = open_raw_ipv4_socket();
int v6_raw_fd = open_raw_ipv6_socket();
udp_port_scan();
close_raw_socket(v4_raw_fd1);
close_raw_socket(v4_raw_fd2);
close_raw_socket(v6_raw_fd);
T_PASS("%s", __func__);
}
T_DECL(rip_v4v6v6_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v4_raw_fd1 = open_raw_ipv4_socket();
int v6_raw_fd1 = open_raw_ipv6_socket();
int v6_raw_fd2 = open_raw_ipv6_socket();
udp_port_scan();
close_raw_socket(v4_raw_fd1);
close_raw_socket(v6_raw_fd1);
close_raw_socket(v6_raw_fd2);
T_PASS("%s", __func__);
}
T_DECL(rip_v4v4v6v6_input, "test reception of IPv4 packet on raw IPv6 socket ", T_META_TAG_VM_PREFERRED)
{
int v4_raw_fd1 = open_raw_ipv4_socket();
int v4_raw_fd2 = open_raw_ipv4_socket();
int v6_raw_fd1 = open_raw_ipv6_socket();
int v6_raw_fd2 = open_raw_ipv6_socket();
udp_port_scan();
close_raw_socket(v4_raw_fd1);
close_raw_socket(v4_raw_fd2);
close_raw_socket(v6_raw_fd1);
close_raw_socket(v6_raw_fd2);
T_PASS("%s", __func__);
}