1 | /* |
2 | * Copyright (c) 2000-2018 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
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. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
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 |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
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. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | /* |
29 | * Copyright (c) 1982, 1986, 1990, 1993 |
30 | * The Regents of the University of California. All rights reserved. |
31 | * |
32 | * Redistribution and use in source and binary forms, with or without |
33 | * modification, are permitted provided that the following conditions |
34 | * are met: |
35 | * 1. Redistributions of source code must retain the above copyright |
36 | * notice, this list of conditions and the following disclaimer. |
37 | * 2. Redistributions in binary form must reproduce the above copyright |
38 | * notice, this list of conditions and the following disclaimer in the |
39 | * documentation and/or other materials provided with the distribution. |
40 | * 3. All advertising materials mentioning features or use of this software |
41 | * must display the following acknowledgement: |
42 | * This product includes software developed by the University of |
43 | * California, Berkeley and its contributors. |
44 | * 4. Neither the name of the University nor the names of its contributors |
45 | * may be used to endorse or promote products derived from this software |
46 | * without specific prior written permission. |
47 | * |
48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
58 | * SUCH DAMAGE. |
59 | * |
60 | * @(#)in.h 8.3 (Berkeley) 1/3/94 |
61 | * $FreeBSD: src/sys/netinet/in.h,v 1.48.2.2 2001/04/21 14:53:06 ume Exp $ |
62 | */ |
63 | |
64 | #ifndef _NETINET_IN_PRIVATE_H_ |
65 | #define _NETINET_IN_PRIVATE_H_ |
66 | |
67 | #include <netinet/in.h> |
68 | #include <sys/socket.h> |
69 | #include <sys/types.h> |
70 | |
71 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
72 | /* 253-254: Experimentation and testing; 255: Reserved (RFC3692) */ |
73 | /* BSD Private, local use, namespace incursion */ |
74 | #define IPPROTO_QUIC 253 /* QUIC protocol (Over UDP) */ |
75 | |
76 | #ifdef __APPLE__ |
77 | #define IN_SHARED_ADDRESS_SPACE(i) ((((u_int32_t)(i)) & (u_int32_t)0xffc00000) \ |
78 | == (u_int32_t)0x64400000) |
79 | |
80 | #define IN_DS_LITE(i) ((((u_int32_t)(i)) & (u_int32_t)0xfffffff8) == (u_int32_t)0xc0000000) |
81 | |
82 | #define IN_6TO4_RELAY_ANYCAST(i) ((((u_int32_t)(i)) & (u_int32_t)IN_CLASSC_NET) == (u_int32_t)0xc0586300) |
83 | #endif /* __APPLE__ */ |
84 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
85 | |
86 | /* |
87 | * sockaddr_in with scope ID field; this is used internally to keep |
88 | * track of scoped route entries in the routing table. The fact that |
89 | * such a value is embedded in the structure is an artifact of the |
90 | * current implementation which could change in future. |
91 | */ |
92 | struct sockaddr_inifscope { |
93 | __uint8_t sin_len; |
94 | sa_family_t sin_family; |
95 | in_port_t sin_port; |
96 | struct in_addr sin_addr; |
97 | /* |
98 | * To avoid possible conflict with an overlaid sockaddr_inarp |
99 | * having sin_other set to SIN_PROXY, we use the first 4-bytes |
100 | * of sin_zero since sin_srcaddr is one of the unused fields |
101 | * in sockaddr_inarp. |
102 | */ |
103 | union { |
104 | char sin_zero[8]; |
105 | struct { |
106 | __uint32_t ifscope; |
107 | } _in_index; |
108 | } un; |
109 | #define sin_scope_id un._in_index.ifscope |
110 | }; |
111 | |
112 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
113 | |
114 | /* |
115 | * Options for use with [gs]etsockopt at the IP level. |
116 | * First word of comment is data type; bool is stored in int. |
117 | */ |
118 | #define IP_NO_IFT_CELLULAR 6969 /* for internal use only */ |
119 | #define IP_NO_IFT_PDP IP_NO_IFT_CELLULAR /* deprecated */ |
120 | #define IP_OUT_IF 9696 /* for internal use only */ |
121 | |
122 | #ifdef BSD_KERNEL_PRIVATE |
123 | #define CTL_IPPROTO_NAMES { \ |
124 | { "ip", CTLTYPE_NODE }, \ |
125 | { "icmp", CTLTYPE_NODE }, \ |
126 | { "igmp", CTLTYPE_NODE }, \ |
127 | { "ggp", CTLTYPE_NODE }, \ |
128 | { 0, 0 }, \ |
129 | { 0, 0 }, \ |
130 | { "tcp", CTLTYPE_NODE }, \ |
131 | { 0, 0 }, \ |
132 | { "egp", CTLTYPE_NODE }, \ |
133 | { 0, 0 }, \ |
134 | { 0, 0 }, \ |
135 | { 0, 0 }, \ |
136 | { "pup", CTLTYPE_NODE }, \ |
137 | { 0, 0 }, \ |
138 | { 0, 0 }, \ |
139 | { 0, 0 }, \ |
140 | { 0, 0 }, \ |
141 | { "udp", CTLTYPE_NODE }, \ |
142 | { 0, 0 }, \ |
143 | { 0, 0 }, \ |
144 | { 0, 0 }, \ |
145 | { 0, 0 }, \ |
146 | { "idp", CTLTYPE_NODE }, \ |
147 | { 0, 0 }, \ |
148 | { 0, 0 }, \ |
149 | { 0, 0 }, \ |
150 | { 0, 0 }, \ |
151 | { 0, 0 }, \ |
152 | { 0, 0 }, \ |
153 | { 0, 0 }, \ |
154 | { 0, 0 }, \ |
155 | { 0, 0 }, \ |
156 | { 0, 0 }, \ |
157 | { 0, 0 }, \ |
158 | { 0, 0 }, \ |
159 | { 0, 0 }, \ |
160 | { 0, 0 }, \ |
161 | { 0, 0 }, \ |
162 | { 0, 0 }, \ |
163 | { 0, 0 }, \ |
164 | { 0, 0 }, \ |
165 | { 0, 0 }, \ |
166 | { 0, 0 }, \ |
167 | { 0, 0 }, \ |
168 | { 0, 0 }, \ |
169 | { 0, 0 }, \ |
170 | { 0, 0 }, \ |
171 | { 0, 0 }, \ |
172 | { 0, 0 }, \ |
173 | { 0, 0 }, \ |
174 | { 0, 0 }, \ |
175 | { "ipsec", CTLTYPE_NODE }, \ |
176 | } |
177 | |
178 | #define IPCTL_NAMES { \ |
179 | { 0, 0 }, \ |
180 | { "forwarding", CTLTYPE_INT }, \ |
181 | { "redirect", CTLTYPE_INT }, \ |
182 | { "ttl", CTLTYPE_INT }, \ |
183 | { "mtu", CTLTYPE_INT }, \ |
184 | { "rtexpire", CTLTYPE_INT }, \ |
185 | { "rtminexpire", CTLTYPE_INT }, \ |
186 | { "rtmaxcache", CTLTYPE_INT }, \ |
187 | { "sourceroute", CTLTYPE_INT }, \ |
188 | { "directed-broadcast", CTLTYPE_INT }, \ |
189 | { "intr-queue-maxlen", CTLTYPE_INT }, \ |
190 | { "intr-queue-drops", CTLTYPE_INT }, \ |
191 | { "stats", CTLTYPE_STRUCT }, \ |
192 | { "accept_sourceroute", CTLTYPE_INT }, \ |
193 | { "fastforwarding", CTLTYPE_INT }, \ |
194 | { "keepfaith", CTLTYPE_INT }, \ |
195 | { "gifttl", CTLTYPE_INT }, \ |
196 | } |
197 | #endif /* BSD_KERNEL_PRIVATE */ |
198 | |
199 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
200 | |
201 | /* INET6 stuff */ |
202 | #define __KAME_NETINET_IN_PRIVATE_H_INCLUDED_ |
203 | #include <netinet6/in6_private.h> |
204 | #undef __KAME_NETINET_IN_PRIVATE_H_INCLUDED_ |
205 | |
206 | /* |
207 | * Minimal sized structure to hold an IPv4 or IPv6 socket address |
208 | * as sockaddr_storage can waste memory |
209 | */ |
210 | |
211 | union sockaddr_in_4_6 { |
212 | struct sockaddr sa; |
213 | struct __sockaddr_header sah; |
214 | struct sockaddr_in sin; |
215 | struct sockaddr_in6 sin6; |
216 | }; |
217 | #define CLAT46_HDR_EXPANSION_OVERHD (sizeof(struct ip6_hdr) - sizeof(struct ip)) |
218 | |
219 | /* |
220 | * Recommended DiffServ Code Point values |
221 | */ |
222 | |
223 | #define _DSCP_DF 0 /* RFC 2474 */ |
224 | |
225 | #define _DSCP_CS0 0 /* RFC 2474 */ |
226 | #define _DSCP_CS1 8 /* RFC 2474 */ |
227 | #define _DSCP_CS2 16 /* RFC 2474 */ |
228 | #define _DSCP_CS3 24 /* RFC 2474 */ |
229 | #define _DSCP_CS4 32 /* RFC 2474 */ |
230 | #define _DSCP_CS5 40 /* RFC 2474 */ |
231 | #define _DSCP_CS6 48 /* RFC 2474 */ |
232 | #define _DSCP_CS7 56 /* RFC 2474 */ |
233 | |
234 | #define _DSCP_EF 46 /* RFC 2474 */ |
235 | #define _DSCP_VA 44 /* RFC 5865 */ |
236 | |
237 | #define _DSCP_AF11 10 /* RFC 2597 */ |
238 | #define _DSCP_AF12 12 /* RFC 2597 */ |
239 | #define _DSCP_AF13 14 /* RFC 2597 */ |
240 | #define _DSCP_AF21 18 /* RFC 2597 */ |
241 | #define _DSCP_AF22 20 /* RFC 2597 */ |
242 | #define _DSCP_AF23 22 /* RFC 2597 */ |
243 | #define _DSCP_AF31 26 /* RFC 2597 */ |
244 | #define _DSCP_AF32 28 /* RFC 2597 */ |
245 | #define _DSCP_AF33 30 /* RFC 2597 */ |
246 | #define _DSCP_AF41 34 /* RFC 2597 */ |
247 | #define _DSCP_AF42 36 /* RFC 2597 */ |
248 | #define _DSCP_AF43 38 /* RFC 2597 */ |
249 | |
250 | #define _DSCP_52 52 /* Wi-Fi WMM Certification: Sigma */ |
251 | |
252 | #define _MAX_DSCP 63 /* coded on 6 bits */ |
253 | |
254 | #ifndef XNU_PLATFORM_DriverKit |
255 | #ifdef KERNEL |
256 | #ifdef BSD_KERNEL_PRIVATE |
257 | #include <mach/boolean.h> |
258 | |
259 | struct ip; |
260 | struct ifnet; |
261 | struct mbuf; |
262 | |
263 | extern boolean_t in_broadcast(struct in_addr, struct ifnet *); |
264 | extern boolean_t in_canforward(struct in_addr); |
265 | extern u_int32_t in_netof(struct in_addr); |
266 | |
267 | extern uint32_t os_cpu_in_cksum_mbuf(struct mbuf *m, int len, int off, |
268 | uint32_t initial_sum); |
269 | |
270 | extern uint16_t inet_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t); |
271 | extern uint16_t inet_cksum_buffer(const void *__sized_by(__len), uint32_t, uint32_t, uint32_t __len); |
272 | extern uint16_t in_addword(uint16_t, uint16_t); |
273 | extern uint16_t in_pseudo(uint32_t, uint32_t, uint32_t); |
274 | extern uint16_t in_pseudo64(uint64_t, uint64_t, uint64_t); |
275 | extern uint16_t in_cksum_hdr_opt(const struct ip *); |
276 | extern uint16_t ip_cksum_hdr_dir(struct mbuf *, uint32_t, int); |
277 | extern uint16_t ip_cksum_hdr_dir_buffer(const void *__sized_by(__len), uint32_t, uint32_t __len, int); |
278 | extern uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t); |
279 | extern uint16_t b_sum16(const void *__sized_by(len)buf, int len); |
280 | #if DEBUG || DEVELOPMENT |
281 | extern uint32_t in_cksum_mbuf_ref(struct mbuf *, int, int, uint32_t); |
282 | #endif /* DEBUG || DEVELOPMENT */ |
283 | |
284 | extern int in_getconninfo(struct socket *, sae_connid_t, uint32_t *, |
285 | uint32_t *, int32_t *, user_addr_t, socklen_t *, user_addr_t, socklen_t *, |
286 | uint32_t *, user_addr_t, uint32_t *); |
287 | extern struct in_ifaddr * inifa_ifpwithflag(struct ifnet *, uint32_t); |
288 | extern struct in_ifaddr * inifa_ifpclatv4(struct ifnet *); |
289 | |
290 | #define in_cksum(_m, _l) \ |
291 | inet_cksum(_m, 0, 0, _l) |
292 | #define in_cksum_buffer(_b, _l) \ |
293 | inet_cksum_buffer(_b, 0, 0, _l) |
294 | #define ip_cksum_hdr_in(_m, _l) \ |
295 | ip_cksum_hdr_dir(_m, _l, 0) |
296 | #define ip_cksum_hdr_out(_m, _l) \ |
297 | ip_cksum_hdr_dir(_m, _l, 1) |
298 | |
299 | #define in_cksum_hdr(_ip) \ |
300 | (~b_sum16(_ip, sizeof (struct ip)) & 0xffff) |
301 | |
302 | #define in_cksum_offset(_m, _o) \ |
303 | ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_IP)) |
304 | #define in_delayed_cksum(_m) \ |
305 | ((void) in_finalize_cksum(_m, 0, CSUM_DELAY_DATA)) |
306 | #define in_delayed_cksum_offset(_m, _o) \ |
307 | ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_DATA)) |
308 | |
309 | #define in_hosteq(s, t) ((s).s_addr == (t).s_addr) |
310 | #define in_nullhost(x) ((x).s_addr == INADDR_ANY) |
311 | #define in_allhosts(x) ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP)) |
312 | |
313 | #define SIN(s) ((struct sockaddr_in *)(void *)s) |
314 | #define satosin(sa) SIN(sa) |
315 | #define sintosa(sin) ((struct sockaddr *)(void *)(sin)) |
316 | #define SINIFSCOPE(s) ((struct sockaddr_inifscope *)(void *)(s)) |
317 | |
318 | #define IPTOS_UNSPEC (-1) /* TOS byte not set */ |
319 | #define IPTOS_MASK 0xFF /* TOS byte mask */ |
320 | #endif /* BSD_KERNEL_PRIVATE */ |
321 | |
322 | #ifdef KERNEL_PRIVATE |
323 | /* exported for ApplicationFirewall */ |
324 | extern int in_localaddr(struct in_addr); |
325 | extern int inaddr_local(struct in_addr); |
326 | |
327 | extern char *inet_ntoa(struct in_addr); |
328 | extern char *inet_ntoa_r(struct in_addr ina, char *buf, |
329 | size_t buflen); |
330 | extern int inet_pton(int af, const char *, void *); |
331 | #endif /* KERNEL_PRIVATE */ |
332 | |
333 | #endif /* KERNEL */ |
334 | #endif /* XNU_PLATFORM_DriverKit */ |
335 | |
336 | #endif /* _NETINET_IN_PRIVATE_H_ */ |
337 | |