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1c79356b 1/*
cb323159 2 * Copyright (c) 2019 Apple Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0a7de745 5 *
2d21ac55
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6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
0a7de745 14 *
2d21ac55
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15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
0a7de745 17 *
2d21ac55
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18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5
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20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
0a7de745 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b 27 */
1c79356b 28
cb323159
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29#ifndef _NETINET_IN_RESTRICTED_PORT_H_
30#define _NETINET_IN_RESTRICTED_PORT_H_
31
32#ifdef BSD_KERNEL_PRIVATE
33
34#include <kern/bits.h>
35
36#define PORT_FLAGS_LISTENER 0x00
37#define PORT_FLAGS_BSD 0x02
38#define PORT_FLAGS_PF 0x03
39#define PORT_FLAGS_MAX 0x03
1c79356b
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40
41/*
cb323159 42 * the port in network byte order
1c79356b 43 */
cb323159
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44#define IS_RESTRICTED_IN_PORT(x) (bitmap_test(restricted_port_bitmap, ntohs((uint16_t)(x))))
45
46extern bitmap_t *restricted_port_bitmap;
47
48extern void restricted_in_port_init(void);
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49
50/*
cb323159 51 * The port must be in network byte order
1c79356b 52 */
cb323159
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53extern bool current_task_can_use_restricted_in_port(in_port_t port, uint8_t protocol, uint32_t port_flags);
54
55#endif /* BSD_KERNEL_PRIVATE */
1c79356b 56
cb323159 57#endif /* _NETINET_IN_RESTRICTED_PORT_H_ */