/*
* 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 <darwintest.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
#include "bpflib.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));
#ifdef BIOCGDIRECTION
static const char *
str_bpf_direction(u_int direction)
{
switch (direction) {
case BPF_D_NONE:
return "BPF_D_NONE";
case BPF_D_IN:
return "BPF_D_IN";
case BPF_D_OUT:
return "BPF_D_OUT";
case BPF_D_INOUT:
return "BPF_D_INOUT";
default:
break;
}
return "<invalid>";
}
static void
test_set_direction(int fd, u_int direction)
{
T_ASSERT_POSIX_SUCCESS(bpf_set_direction(fd, direction),
"bpf_set_direction(%d): %u (%s)", fd, direction, str_bpf_direction(direction));
u_int get_direction = (u_int)(-2);
T_ASSERT_POSIX_SUCCESS(bpf_get_direction(fd, &get_direction),
"bpf_get_direction(%d): %u (%s)", fd, get_direction, str_bpf_direction(get_direction));
T_ASSERT_EQ(get_direction, direction, "get_direction %d == direction %d", get_direction, direction);
}
T_DECL(bpf_direction, "test BPF set and grep direction", T_META_TAG_VM_PREFERRED)
{
int fd = bpf_new();
T_ASSERT_POSIX_SUCCESS(fd, "bpf open fd %d", fd);
u_int direction = (u_int)(-2); /* an invalid value */
T_ASSERT_POSIX_SUCCESS(bpf_get_direction(fd, &direction),
"bpf_get_direction(%d): %u (%s)", fd, direction, str_bpf_direction(direction));
T_ASSERT_EQ(direction, BPF_D_INOUT, "initial direction not BPF_D_INOUT");
test_set_direction(fd, BPF_D_INOUT);
test_set_direction(fd, BPF_D_IN);
test_set_direction(fd, BPF_D_OUT);
test_set_direction(fd, BPF_D_NONE);
direction = 10;
T_EXPECT_POSIX_FAILURE(bpf_set_direction(fd, direction), EINVAL,
"bpf_set_direction(%d): %u (%s)", fd, direction, str_bpf_direction(direction));
}
#else /* BIOCSETDIRECTION */
T_DECL(bpf_direction, "test BPF set and grep direction", T_META_TAG_VM_PREFERRED)
{
T_SKIP("BIOCSETDIRECTION is not defined");
}
#endif /* BIOCSETDIRECTION */
T_DECL(bpf_seesent, "test BIOCGSEESENT and BIOCSSEESENT", T_META_TAG_VM_PREFERRED)
{
int fd = bpf_new();
T_ASSERT_POSIX_SUCCESS(fd, "bpf open fd %d", fd);
u_int get_see_sent = (u_int) - 1;
T_ASSERT_POSIX_SUCCESS(ioctl(fd, BIOCGSEESENT, &get_see_sent), "BIOCGSEESENT");;
T_LOG("get_see_sent %u", get_see_sent);
u_int set_see_sent = get_see_sent == 0 ? 1 : 0;
T_ASSERT_POSIX_SUCCESS(ioctl(fd, BIOCSSEESENT, &set_see_sent), "BIOCSSEESENT");;
T_LOG("set_see_sent %u", set_see_sent);
T_ASSERT_POSIX_SUCCESS(ioctl(fd, BIOCGSEESENT, &get_see_sent), "BIOCGSEESENT");;
T_LOG("get_see_sent %u", set_see_sent);
T_ASSERT_EQ(get_see_sent, set_see_sent, "get_see_sent == set_see_sent");
set_see_sent = get_see_sent == 0 ? 1 : 0;
T_ASSERT_POSIX_SUCCESS(ioctl(fd, BIOCSSEESENT, &set_see_sent), "BIOCSSEESENT");;
T_LOG("set_see_sent %u", set_see_sent);
T_ASSERT_POSIX_SUCCESS(ioctl(fd, BIOCGSEESENT, &get_see_sent), "BIOCGSEESENT");;
T_LOG("get_see_sent %u", get_see_sent);
T_ASSERT_EQ(get_see_sent, set_see_sent, "get_see_sent == set_see_sent");
}