1 | /* |
2 | * Copyright (c) 2008-2018 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 | /* |
30 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
31 | * All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. Neither the name of the project nor the names of its contributors |
42 | * may be used to endorse or promote products derived from this software |
43 | * without specific prior written permission. |
44 | * |
45 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
55 | * SUCH DAMAGE. |
56 | */ |
57 | |
58 | /* |
59 | * Copyright (c) 1982, 1986, 1990, 1993 |
60 | * The Regents of the University of California. All rights reserved. |
61 | * |
62 | * Redistribution and use in source and binary forms, with or without |
63 | * modification, are permitted provided that the following conditions |
64 | * are met: |
65 | * 1. Redistributions of source code must retain the above copyright |
66 | * notice, this list of conditions and the following disclaimer. |
67 | * 2. Redistributions in binary form must reproduce the above copyright |
68 | * notice, this list of conditions and the following disclaimer in the |
69 | * documentation and/or other materials provided with the distribution. |
70 | * 3. All advertising materials mentioning features or use of this software |
71 | * must display the following acknowledgement: |
72 | * This product includes software developed by the University of |
73 | * California, Berkeley and its contributors. |
74 | * 4. Neither the name of the University nor the names of its contributors |
75 | * may be used to endorse or promote products derived from this software |
76 | * without specific prior written permission. |
77 | * |
78 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
79 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
80 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
81 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
82 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
83 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
84 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
85 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
86 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
87 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
88 | * SUCH DAMAGE. |
89 | * |
90 | * @(#)in.h 8.3 (Berkeley) 1/3/94 |
91 | */ |
92 | |
93 | #ifndef __KAME_NETINET_IN_H_INCLUDED_ |
94 | #error "do not include netinet6/in6.h directly, include netinet/in.h. " \ |
95 | " see RFC2553" |
96 | #endif |
97 | |
98 | #ifndef _NETINET6_IN6_H_ |
99 | #define _NETINET6_IN6_H_ |
100 | #include <sys/appleapiopts.h> |
101 | #include <sys/_types.h> |
102 | #include <sys/_types/_sa_family_t.h> |
103 | |
104 | /* |
105 | * Identification of the network protocol stack |
106 | * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE |
107 | * has the table of implementation/integration differences. |
108 | */ |
109 | #define __KAME__ |
110 | #define __KAME_VERSION "2009/apple-darwin" |
111 | |
112 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
113 | /* |
114 | * Local port number conventions: |
115 | * |
116 | * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), |
117 | * unless a kernel is compiled with IPNOPRIVPORTS defined. |
118 | * |
119 | * When a user does a bind(2) or connect(2) with a port number of zero, |
120 | * a non-conflicting local port address is chosen. |
121 | * |
122 | * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although |
123 | * that is settable by sysctl(3); net.inet.ip.anonportmin and |
124 | * net.inet.ip.anonportmax respectively. |
125 | * |
126 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this |
127 | * default assignment range. |
128 | * |
129 | * The value IP_PORTRANGE_DEFAULT causes the default behavior. |
130 | * |
131 | * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, |
132 | * and exists only for FreeBSD compatibility purposes. |
133 | * |
134 | * The value IP_PORTRANGE_LOW changes the range to the "low" are |
135 | * that is (by convention) restricted to privileged processes. |
136 | * This convention is based on "vouchsafe" principles only. |
137 | * It is only secure if you trust the remote host to restrict these ports. |
138 | * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. |
139 | */ |
140 | |
141 | #define IPV6PORT_RESERVED 1024 |
142 | #define IPV6PORT_ANONMIN 49152 |
143 | #define IPV6PORT_ANONMAX 65535 |
144 | #define IPV6PORT_RESERVEDMIN 600 |
145 | #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) |
146 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
147 | |
148 | /* |
149 | * IPv6 address |
150 | */ |
151 | typedef struct in6_addr { |
152 | union { |
153 | __uint8_t __u6_addr8[16]; |
154 | __uint16_t __u6_addr16[8]; |
155 | __uint32_t __u6_addr32[4]; |
156 | } __u6_addr; /* 128-bit IP6 address */ |
157 | } in6_addr_t; |
158 | |
159 | #define s6_addr __u6_addr.__u6_addr8 |
160 | #ifdef KERNEL /* XXX nonstandard */ |
161 | #define s6_addr8 __u6_addr.__u6_addr8 |
162 | #define s6_addr16 __u6_addr.__u6_addr16 |
163 | #define s6_addr32 __u6_addr.__u6_addr32 |
164 | #endif |
165 | |
166 | #define INET6_ADDRSTRLEN 46 |
167 | |
168 | /* |
169 | * Socket address for IPv6 |
170 | */ |
171 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
172 | #define SIN6_LEN |
173 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
174 | struct sockaddr_in6 { |
175 | __uint8_t sin6_len; /* length of this struct(sa_family_t) */ |
176 | sa_family_t sin6_family; /* AF_INET6 (sa_family_t) */ |
177 | in_port_t sin6_port; /* Transport layer port # (in_port_t) */ |
178 | __uint32_t sin6_flowinfo; /* IP6 flow information */ |
179 | struct in6_addr sin6_addr; /* IP6 address */ |
180 | __uint32_t sin6_scope_id; /* scope zone index */ |
181 | }; |
182 | |
183 | #ifdef KERNEL /* XXX nonstandard */ |
184 | /* |
185 | * Local definition for masks |
186 | */ |
187 | #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} |
188 | #define IN6MASK7 {{{ 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
189 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
190 | #define IN6MASK16 {{{ 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
191 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
192 | #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ |
193 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
194 | #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
195 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
196 | #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
197 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
198 | #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
199 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} |
200 | #endif |
201 | |
202 | #ifdef KERNEL_PRIVATE |
203 | extern const struct sockaddr_in6 sa6_any; |
204 | |
205 | extern const struct in6_addr in6mask0; |
206 | extern const struct in6_addr in6mask7; |
207 | extern const struct in6_addr in6mask16; |
208 | extern const struct in6_addr in6mask32; |
209 | extern const struct in6_addr in6mask64; |
210 | extern const struct in6_addr in6mask96; |
211 | extern const struct in6_addr in6mask128; |
212 | |
213 | #define SIN6(s) ((struct sockaddr_in6 *)(void *)s) |
214 | #define satosin6(sa) SIN6(sa) |
215 | #define sin6tosa(sin6) ((struct sockaddr *)(void *)(sin6)) |
216 | #define SIN6IFSCOPE(s) SIN6(s) |
217 | #endif /* KERNEL_PRIVATE */ |
218 | |
219 | #ifdef KERNEL /* XXX nonstandard */ |
220 | /* |
221 | * Macros started with IPV6_ADDR is KAME local |
222 | */ |
223 | #if BYTE_ORDER == BIG_ENDIAN |
224 | #define IPV6_ADDR_INT32_ONE 1 |
225 | #define IPV6_ADDR_INT32_TWO 2 |
226 | #define IPV6_ADDR_INT32_MNL 0xff010000 |
227 | #define IPV6_ADDR_INT32_MLL 0xff020000 |
228 | #define IPV6_ADDR_INT32_SMP 0x0000ffff |
229 | #define IPV6_ADDR_INT16_ULL 0xfe80 |
230 | #define IPV6_ADDR_INT16_USL 0xfec0 |
231 | #define IPV6_ADDR_INT16_MLL 0xff02 |
232 | #elif BYTE_ORDER == LITTLE_ENDIAN |
233 | #define IPV6_ADDR_INT32_ONE 0x01000000 |
234 | #define IPV6_ADDR_INT32_TWO 0x02000000 |
235 | #define IPV6_ADDR_INT32_MNL 0x000001ff |
236 | #define IPV6_ADDR_INT32_MLL 0x000002ff |
237 | #define IPV6_ADDR_INT32_SMP 0xffff0000 |
238 | #define IPV6_ADDR_INT16_ULL 0x80fe |
239 | #define IPV6_ADDR_INT16_USL 0xc0fe |
240 | #define IPV6_ADDR_INT16_MLL 0x02ff |
241 | #endif |
242 | #endif |
243 | |
244 | /* |
245 | * Definition of some useful macros to handle IP6 addresses |
246 | */ |
247 | #define IN6ADDR_ANY_INIT \ |
248 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
249 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
250 | #define IN6ADDR_LOOPBACK_INIT \ |
251 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
252 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
253 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
254 | #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ |
255 | {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
256 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
257 | #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \ |
258 | {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
259 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
260 | #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ |
261 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
262 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
263 | #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ |
264 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
265 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} |
266 | #define IN6ADDR_LINKLOCAL_ALLV2ROUTERS_INIT \ |
267 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
268 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16 }}} |
269 | #define IN6ADDR_V4MAPPED_INIT \ |
270 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
271 | 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
272 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
273 | |
274 | extern const struct in6_addr in6addr_any; |
275 | extern const struct in6_addr in6addr_loopback; |
276 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
277 | extern const struct in6_addr in6addr_nodelocal_allnodes; |
278 | extern const struct in6_addr in6addr_linklocal_allnodes; |
279 | extern const struct in6_addr in6addr_linklocal_allrouters; |
280 | extern const struct in6_addr in6addr_linklocal_allv2routers; |
281 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
282 | |
283 | /* |
284 | * Equality |
285 | * NOTE: Some of kernel programming environment (for example, openbsd/sparc) |
286 | * does not supply memcmp(). For userland memcmp() is preferred as it is |
287 | * in ANSI standard. |
288 | */ |
289 | #ifdef KERNEL |
290 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
291 | (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], \ |
292 | sizeof (struct in6_addr)) == 0) |
293 | #else |
294 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
295 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
296 | (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof (struct in6_addr)) \ |
297 | == 0) |
298 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
299 | #endif |
300 | |
301 | #ifdef KERNEL /* non standard */ |
302 | /* see if two addresses are equal in a scope-conscious manner. */ |
303 | #define SA6_ARE_ADDR_EQUAL(a, b) \ |
304 | (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \ |
305 | ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \ |
306 | (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof (struct in6_addr)) == 0)) |
307 | #endif |
308 | |
309 | /* |
310 | * Unspecified |
311 | */ |
312 | #define IN6_IS_ADDR_UNSPECIFIED(a) \ |
313 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
314 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
315 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
316 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) |
317 | |
318 | /* |
319 | * Loopback |
320 | */ |
321 | #define IN6_IS_ADDR_LOOPBACK(a) \ |
322 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
323 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
324 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
325 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) |
326 | |
327 | /* |
328 | * IPv4 compatible |
329 | */ |
330 | #define IN6_IS_ADDR_V4COMPAT(a) \ |
331 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
332 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
333 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
334 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ |
335 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) |
336 | |
337 | /* |
338 | * Mapped |
339 | */ |
340 | #define IN6_IS_ADDR_V4MAPPED(a) \ |
341 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
342 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
343 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == \ |
344 | ntohl(0x0000ffff))) |
345 | |
346 | /* |
347 | * 6to4 |
348 | */ |
349 | #define IN6_IS_ADDR_6TO4(x) (ntohs((x)->s6_addr16[0]) == 0x2002) |
350 | |
351 | /* |
352 | * KAME Scope Values |
353 | */ |
354 | |
355 | #ifdef KERNEL /* XXX nonstandard */ |
356 | #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
357 | #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 |
358 | #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
359 | #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
360 | #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
361 | #define IPV6_ADDR_SCOPE_GLOBAL 0x0e |
362 | #else |
363 | #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
364 | #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 |
365 | #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
366 | #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
367 | #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
368 | #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e |
369 | #endif |
370 | |
371 | /* |
372 | * Unicast Scope |
373 | * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). |
374 | */ |
375 | #define IN6_IS_ADDR_LINKLOCAL(a) \ |
376 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) |
377 | #define IN6_IS_ADDR_SITELOCAL(a) \ |
378 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) |
379 | |
380 | /* |
381 | * Multicast |
382 | */ |
383 | #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) |
384 | |
385 | /* |
386 | * Unique Local IPv6 Unicast Addresses (per RFC 4193) |
387 | */ |
388 | #define IN6_IS_ADDR_UNIQUE_LOCAL(a) \ |
389 | (((a)->s6_addr[0] == 0xfc) || ((a)->s6_addr[0] == 0xfd)) |
390 | |
391 | #ifdef KERNEL /* XXX nonstandard */ |
392 | #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
393 | #else |
394 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
395 | #endif |
396 | |
397 | /* |
398 | * Multicast Scope |
399 | */ |
400 | #ifdef KERNEL /* refers nonstandard items */ |
401 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
402 | (IN6_IS_ADDR_MULTICAST(a) && \ |
403 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) |
404 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ |
405 | (IN6_IS_ADDR_MULTICAST(a) && \ |
406 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) |
407 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
408 | (IN6_IS_ADDR_MULTICAST(a) && \ |
409 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) |
410 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
411 | (IN6_IS_ADDR_MULTICAST(a) && \ |
412 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) |
413 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
414 | (IN6_IS_ADDR_MULTICAST(a) && \ |
415 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) |
416 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
417 | (IN6_IS_ADDR_MULTICAST(a) && \ |
418 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) |
419 | #else |
420 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
421 | (IN6_IS_ADDR_MULTICAST(a) && \ |
422 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) |
423 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
424 | (IN6_IS_ADDR_MULTICAST(a) && \ |
425 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) |
426 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
427 | (IN6_IS_ADDR_MULTICAST(a) && \ |
428 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) |
429 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
430 | (IN6_IS_ADDR_MULTICAST(a) && \ |
431 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) |
432 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
433 | (IN6_IS_ADDR_MULTICAST(a) && \ |
434 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) |
435 | #endif |
436 | |
437 | #ifdef KERNEL /* nonstandard */ |
438 | /* |
439 | * KAME Scope |
440 | */ |
441 | #define IN6_IS_SCOPE_LINKLOCAL(a) \ |
442 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
443 | (IN6_IS_ADDR_MC_LINKLOCAL(a))) |
444 | |
445 | #define IN6_IS_SCOPE_EMBED(a) \ |
446 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
447 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ |
448 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) |
449 | |
450 | #define IFA6_IS_DEPRECATED(a, t) \ |
451 | ((a)->ia6_lifetime.ia6ti_preferred != 0 && \ |
452 | (a)->ia6_lifetime.ia6ti_preferred < (t)) |
453 | #define IFA6_IS_INVALID(a, t) \ |
454 | ((a)->ia6_lifetime.ia6ti_expire != 0 && \ |
455 | (a)->ia6_lifetime.ia6ti_expire < (t)) |
456 | #endif /* KERNEL */ |
457 | |
458 | #ifdef PRIVATE |
459 | struct route_in6_old { |
460 | void *ro_rt; |
461 | uint32_t ro_flags; |
462 | struct sockaddr_in6 ro_dst; |
463 | }; |
464 | #endif /* PRIVATE */ |
465 | |
466 | #ifdef BSD_KERNEL_PRIVATE |
467 | #include <net/if_llatbl.h> |
468 | #include <sys/eventhandler.h> |
469 | |
470 | /* |
471 | * IP6 route structure |
472 | * |
473 | * A route consists of a destination address and a reference |
474 | * to a routing entry. These are often held by protocols |
475 | * in their control blocks, e.g. inpcb. |
476 | */ |
477 | struct route_in6 { |
478 | /* |
479 | * N.B: struct route_in6 must begin with ro_{rt,srcia,flags} |
480 | * because the code does some casts of a 'struct route_in6 *' |
481 | * to a 'struct route *'. |
482 | */ |
483 | struct rtentry *ro_rt; |
484 | struct llentry *ro_lle; |
485 | |
486 | struct ifaddr *ro_srcia; |
487 | uint32_t ro_flags; /* route flags */ |
488 | struct sockaddr_in6 ro_dst; |
489 | }; |
490 | #endif /* BSD_KERNEL_PRIVATE */ |
491 | |
492 | /* |
493 | * Options for use with [gs]etsockopt at the IPV6 level. |
494 | * First word of comment is data type; bool is stored in int. |
495 | */ |
496 | /* no hdrincl */ |
497 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
498 | /* |
499 | * RFC 3542 define the following socket options in a manner incompatible |
500 | * with RFC 2292: |
501 | * IPV6_PKTINFO |
502 | * IPV6_HOPLIMIT |
503 | * IPV6_NEXTHOP |
504 | * IPV6_HOPOPTS |
505 | * IPV6_DSTOPTS |
506 | * IPV6_RTHDR |
507 | * |
508 | * To use the new IPv6 Sockets options introduced by RFC 3542 |
509 | * the constant __APPLE_USE_RFC_3542 must be defined before |
510 | * including <netinet/in.h> |
511 | * |
512 | * To use the old IPv6 Sockets options from RFC 2292 |
513 | * the constant __APPLE_USE_RFC_2292 must be defined before |
514 | * including <netinet/in.h> |
515 | * |
516 | * Note that eventually RFC 3542 is going to be the |
517 | * default and RFC 2292 will be obsolete. |
518 | */ |
519 | #ifdef BSD_KERNEL_PRIVATE |
520 | #define __APPLE_USE_RFC_3542 1 |
521 | #endif /* BSD_KERNEL_PRIVATE */ |
522 | |
523 | #if defined(__APPLE_USE_RFC_3542) && defined(__APPLE_USE_RFC_2292) |
524 | #error "__APPLE_USE_RFC_3542 and __APPLE_USE_RFC_2292 cannot be both defined" |
525 | #endif |
526 | |
527 | #if 0 /* the followings are relic in IPv4 and hence are disabled */ |
528 | #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ |
529 | #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ |
530 | #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ |
531 | #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ |
532 | #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ |
533 | #endif /* 0 */ |
534 | #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ |
535 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
536 | #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ |
537 | #define IPV6_MULTICAST_IF 9 /* __uint8_t; set/get IP6 multicast i/f */ |
538 | #define IPV6_MULTICAST_HOPS 10 /* __uint8_t; set/get IP6 multicast hops */ |
539 | #define IPV6_MULTICAST_LOOP 11 /* __uint8_t; set/get IP6 mcast loopback */ |
540 | #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ |
541 | #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ |
542 | |
543 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
544 | #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ |
545 | #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ |
546 | #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ |
547 | #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ |
548 | #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ |
549 | #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ |
550 | #define IPV6_2292DSTOPTS 23 /* bool; destinaion option */ |
551 | #define IPV6_2292RTHDR 24 /* ip6_rthdr: routing header */ |
552 | |
553 | /* buf/cmsghdr; set/get IPv6 options [obsoleted by RFC3542] */ |
554 | #define IPV6_2292PKTOPTIONS 25 |
555 | |
556 | #ifdef __APPLE_USE_RFC_2292 |
557 | #define IPV6_PKTINFO IPV6_2292PKTINFO |
558 | #define IPV6_HOPLIMIT IPV6_2292HOPLIMIT |
559 | #define IPV6_NEXTHOP IPV6_2292NEXTHOP |
560 | #define IPV6_HOPOPTS IPV6_2292HOPOPTS |
561 | #define IPV6_DSTOPTS IPV6_2292DSTOPTS |
562 | #define IPV6_RTHDR IPV6_2292RTHDR |
563 | #define IPV6_PKTOPTIONS IPV6_2292PKTOPTIONS |
564 | #endif /* __APPLE_USE_RFC_2292 */ |
565 | |
566 | #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ |
567 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
568 | #define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */ |
569 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
570 | #ifndef KERNEL |
571 | #define IPV6_BINDV6ONLY IPV6_V6ONLY |
572 | #endif /* KERNEL */ |
573 | |
574 | |
575 | #if 1 /* IPSEC */ |
576 | #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ |
577 | #endif /* 1 */ |
578 | #define IPV6_FAITH 29 /* deprecated */ |
579 | |
580 | #if 1 /* IPV6FIREWALL */ |
581 | #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ |
582 | #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ |
583 | #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ |
584 | #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ |
585 | #define IPV6_FW_GET 34 /* get entire firewall rule chain */ |
586 | #endif /* 1 */ |
587 | |
588 | /* |
589 | * APPLE: NOTE the value of those 2 options is kept unchanged from |
590 | * previous version of darwin/OS X for binary compatibility reasons |
591 | * and differ from FreeBSD (values 57 and 61). See below. |
592 | */ |
593 | #define IPV6_RECVTCLASS 35 /* bool; recv traffic class values */ |
594 | #define IPV6_TCLASS 36 /* int; send traffic class value */ |
595 | |
596 | #ifdef __APPLE_USE_RFC_3542 |
597 | /* new socket options introduced in RFC3542 */ |
598 | /* |
599 | * ip6_dest; send dst option before rthdr |
600 | * APPLE: Value purposely different than FreeBSD (35) to avoid |
601 | * collision with definition of IPV6_RECVTCLASS in previous |
602 | * darwin implementations |
603 | */ |
604 | #define IPV6_RTHDRDSTOPTS 57 |
605 | |
606 | /* |
607 | * bool; recv if, dst addr |
608 | * APPLE: Value purposely different than FreeBSD(36) to avoid |
609 | * collision with definition of IPV6_TCLASS in previous |
610 | * darwin implementations |
611 | */ |
612 | #define IPV6_RECVPKTINFO 61 |
613 | |
614 | #define IPV6_RECVHOPLIMIT 37 /* bool; recv hop limit */ |
615 | #define IPV6_RECVRTHDR 38 /* bool; recv routing header */ |
616 | #define IPV6_RECVHOPOPTS 39 /* bool; recv hop-by-hop option */ |
617 | #define IPV6_RECVDSTOPTS 40 /* bool; recv dst option after rthdr */ |
618 | #ifdef KERNEL |
619 | #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ |
620 | #endif |
621 | |
622 | #define IPV6_USE_MIN_MTU 42 /* bool; send packets at the minimum MTU */ |
623 | #define IPV6_RECVPATHMTU 43 /* bool; notify an according MTU */ |
624 | |
625 | /* |
626 | * mtuinfo; get the current path MTU (sopt), 4 bytes int; |
627 | * MTU notification (cmsg) |
628 | */ |
629 | #define IPV6_PATHMTU 44 |
630 | |
631 | #if 0 /* obsoleted during 2292bis -> 3542 */ |
632 | /* no data; ND reachability confirm (cmsg only/not in of RFC3542) */ |
633 | #define IPV6_REACHCONF 45 |
634 | #endif |
635 | /* more new socket options introduced in RFC3542 */ |
636 | #define IPV6_3542PKTINFO 46 /* in6_pktinfo; send if, src addr */ |
637 | #define IPV6_3542HOPLIMIT 47 /* int; send hop limit */ |
638 | #define IPV6_3542NEXTHOP 48 /* sockaddr; next hop addr */ |
639 | #define IPV6_3542HOPOPTS 49 /* ip6_hbh; send hop-by-hop option */ |
640 | #define IPV6_3542DSTOPTS 50 /* ip6_dest; send dst option befor rthdr */ |
641 | #define IPV6_3542RTHDR 51 /* ip6_rthdr; send routing header */ |
642 | |
643 | #define IPV6_PKTINFO IPV6_3542PKTINFO |
644 | #define IPV6_HOPLIMIT IPV6_3542HOPLIMIT |
645 | #define IPV6_NEXTHOP IPV6_3542NEXTHOP |
646 | #define IPV6_HOPOPTS IPV6_3542HOPOPTS |
647 | #define IPV6_DSTOPTS IPV6_3542DSTOPTS |
648 | #define IPV6_RTHDR IPV6_3542RTHDR |
649 | |
650 | #define IPV6_AUTOFLOWLABEL 59 /* bool; attach flowlabel automagically */ |
651 | |
652 | #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ |
653 | |
654 | /* int; prefer temporary addresses as the source address. */ |
655 | #define IPV6_PREFER_TEMPADDR 63 |
656 | |
657 | /* |
658 | * The following option is private; do not use it from user applications. |
659 | * It is deliberately defined to the same value as IP_MSFILTER. |
660 | */ |
661 | #define IPV6_MSFILTER 74 /* struct __msfilterreq; */ |
662 | #endif /* __APPLE_USE_RFC_3542 */ |
663 | |
664 | #define IPV6_BOUND_IF 125 /* int; set/get bound interface */ |
665 | |
666 | #ifdef PRIVATE |
667 | #define IPV6_NO_IFT_CELLULAR 6969 /* for internal use only */ |
668 | #define IPV6_OUT_IF 9696 /* for internal use only */ |
669 | #endif /* PRIVATE */ |
670 | |
671 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
672 | |
673 | #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. */ |
674 | #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. */ |
675 | #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ |
676 | |
677 | /* |
678 | * Defaults and limits for options |
679 | */ |
680 | #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ |
681 | #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ |
682 | |
683 | /* |
684 | * The im6o_membership vector for each socket is now dynamically allocated at |
685 | * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized |
686 | * according to a power-of-two increment. |
687 | */ |
688 | #define IPV6_MIN_MEMBERSHIPS 31 |
689 | #define IPV6_MAX_MEMBERSHIPS 4095 |
690 | |
691 | /* |
692 | * Default resource limits for IPv6 multicast source filtering. |
693 | * These may be modified by sysctl. |
694 | */ |
695 | #define IPV6_MAX_GROUP_SRC_FILTER 512 /* sources per group */ |
696 | #define IPV6_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */ |
697 | |
698 | /* |
699 | * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. |
700 | */ |
701 | struct ipv6_mreq { |
702 | struct in6_addr ipv6mr_multiaddr; |
703 | unsigned int ipv6mr_interface; |
704 | }; |
705 | |
706 | /* |
707 | * IPV6_2292PKTINFO: Packet information(RFC2292 sec 5) |
708 | */ |
709 | struct in6_pktinfo { |
710 | struct in6_addr ipi6_addr; /* src/dst IPv6 address */ |
711 | unsigned int ipi6_ifindex; /* send/recv interface index */ |
712 | }; |
713 | |
714 | /* |
715 | * Control structure for IPV6_RECVPATHMTU socket option. |
716 | */ |
717 | struct ip6_mtuinfo { |
718 | struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ |
719 | uint32_t ip6m_mtu; |
720 | }; |
721 | |
722 | /* |
723 | * Argument for IPV6_PORTRANGE: |
724 | * - which range to search when port is unspecified at bind() or connect() |
725 | */ |
726 | #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ |
727 | #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ |
728 | #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ |
729 | |
730 | /* |
731 | * Definitions for inet6 sysctl operations. |
732 | * |
733 | * Third level is protocol number. |
734 | * Fourth level is desired variable within that protocol. |
735 | */ |
736 | #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ |
737 | |
738 | /* |
739 | * Names for IP sysctl objects |
740 | */ |
741 | #define IPV6CTL_FORWARDING 1 /* act as router */ |
742 | #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ |
743 | #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ |
744 | #ifdef notyet |
745 | #define IPV6CTL_DEFMTU 4 /* default MTU */ |
746 | #endif |
747 | #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ |
748 | #define IPV6CTL_STATS 6 /* stats */ |
749 | #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ |
750 | #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ |
751 | #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ |
752 | #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ |
753 | #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ |
754 | #define IPV6CTL_ACCEPT_RTADV 12 |
755 | #define IPV6CTL_KEEPFAITH 13 /* deprecated */ |
756 | #define IPV6CTL_LOG_INTERVAL 14 |
757 | #define IPV6CTL_HDRNESTLIMIT 15 |
758 | #define IPV6CTL_DAD_COUNT 16 |
759 | #define IPV6CTL_AUTO_FLOWLABEL 17 |
760 | #define IPV6CTL_DEFMCASTHLIM 18 |
761 | #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ |
762 | #define IPV6CTL_KAME_VERSION 20 |
763 | #define IPV6CTL_USE_DEPRECATED 21 /* use deprec addr (RFC2462 5.5.4) */ |
764 | #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ |
765 | #if 0 /* obsolete */ |
766 | #define IPV6CTL_MAPPED_ADDR 23 |
767 | #endif |
768 | #define IPV6CTL_V6ONLY 24 |
769 | #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ |
770 | #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ |
771 | #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ |
772 | |
773 | #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses [RFC 4941] */ |
774 | #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ |
775 | #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ |
776 | #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ |
777 | #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ |
778 | #define IPV6CTL_PREFER_TEMPADDR 37 /* prefer temporary addr as src */ |
779 | #define IPV6CTL_ADDRCTLPOLICY 38 /* get/set address selection policy */ |
780 | #define IPV6CTL_USE_DEFAULTZONE 39 /* use default scope zone */ |
781 | |
782 | #define IPV6CTL_MAXFRAGS 41 /* max fragments */ |
783 | #define IPV6CTL_MCAST_PMTU 44 /* enable pMTU discovery for mcast? */ |
784 | |
785 | #define IPV6CTL_NEIGHBORGCTHRESH 46 |
786 | #define IPV6CTL_MAXIFPREFIXES 47 |
787 | #define IPV6CTL_MAXIFDEFROUTERS 48 |
788 | #define IPV6CTL_MAXDYNROUTES 49 |
789 | #define ICMPV6CTL_ND6_ONLINKNSRFC4861 50 |
790 | |
791 | /* New entries should be added here from current IPV6CTL_MAXID value. */ |
792 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
793 | #define IPV6CTL_MAXID 51 |
794 | |
795 | #ifdef BSD_KERNEL_PRIVATE |
796 | #define CTL_IPV6PROTO_NAMES { \ |
797 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
798 | { 0, 0 }, \ |
799 | { "tcp6", CTLTYPE_NODE }, \ |
800 | { 0, 0 }, \ |
801 | { 0, 0 }, \ |
802 | { 0, 0 }, \ |
803 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
804 | { 0, 0 }, \ |
805 | { 0, 0 }, \ |
806 | { "udp6", CTLTYPE_NODE }, \ |
807 | { 0, 0 }, \ |
808 | { 0, 0 }, \ |
809 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
810 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
811 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
812 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
813 | { 0, 0 }, \ |
814 | { "ip6", CTLTYPE_NODE }, \ |
815 | { 0, 0 }, \ |
816 | { 0, 0 }, \ |
817 | { 0, 0 }, \ |
818 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
819 | { 0, 0 }, \ |
820 | { "ipsec6", CTLTYPE_NODE }, \ |
821 | { 0, 0 }, \ |
822 | { 0, 0 }, \ |
823 | { 0, 0 }, \ |
824 | { 0, 0 }, \ |
825 | { 0, 0 }, \ |
826 | { 0, 0 }, \ |
827 | { "icmp6", CTLTYPE_NODE }, \ |
828 | { 0, 0 }, \ |
829 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
830 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
831 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
832 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
833 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
834 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
835 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
836 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
837 | { 0, 0 }, \ |
838 | { 0, 0 }, \ |
839 | { 0, 0 }, \ |
840 | { 0, 0 }, \ |
841 | } |
842 | /* |
843 | * Redefinition of mbuf flags |
844 | */ |
845 | #define M_AUTHIPHDR M_PROTO2 |
846 | #define M_DECRYPTED M_PROTO3 |
847 | #define M_AUTHIPDGM M_PROTO5 |
848 | |
849 | struct cmsghdr; |
850 | struct mbuf; |
851 | struct ifnet; |
852 | struct in6_aliasreq; |
853 | struct lltable; |
854 | |
855 | extern struct lltable * in6_lltattach(struct ifnet *ifp); |
856 | extern uint16_t in6_pseudo(const struct in6_addr *, const struct in6_addr *, |
857 | uint32_t); |
858 | extern u_int16_t inet6_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t); |
859 | extern u_int16_t inet6_cksum_buffer(const uint8_t *, uint32_t, uint32_t, |
860 | uint32_t); |
861 | |
862 | #define in6_cksum(_m, _n, _o, _l) \ |
863 | inet6_cksum(_m, _n, _o, _l) |
864 | #define in6_cksum_buffer(_b, _n, _o, _l) \ |
865 | inet6_cksum_buffer(_b, _n, _o, _l) |
866 | |
867 | extern int in6_addrscope(struct in6_addr *); |
868 | extern struct in6_ifaddr *in6_ifawithscope(struct ifnet *, struct in6_addr *); |
869 | extern struct in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *); |
870 | |
871 | struct sockaddr; |
872 | |
873 | extern void in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6); |
874 | extern void in6_sin_2_v4mapsin6(struct sockaddr_in *sin, |
875 | struct sockaddr_in6 *sin6); |
876 | extern void in6_sin6_2_sin_in_sock(struct sockaddr *nam); |
877 | extern int in6_sin_2_v4mapsin6_in_sock(struct sockaddr **nam); |
878 | |
879 | extern uint32_t in6_finalize_cksum(struct mbuf *, uint32_t, int32_t, |
880 | int32_t, uint32_t); |
881 | |
882 | #define in6_delayed_cksum(_m) \ |
883 | ((void) in6_finalize_cksum(_m, 0, 0, -1, CSUM_DELAY_IPV6_DATA)) |
884 | #define in6_delayed_cksum_offset(_m, _o, _s, _p) \ |
885 | ((void) in6_finalize_cksum(_m, _o, _s, _p, CSUM_DELAY_IPV6_DATA)) |
886 | |
887 | /* IPv6 protocol events */ |
888 | extern struct eventhandler_lists_ctxt in6_evhdlr_ctxt; |
889 | /* |
890 | * XXX Avoid reordering the enum values below. |
891 | * If the order is changed, please make sure |
892 | * in6_event2kev_array is also changed to reflect the |
893 | * change in order of the enums |
894 | */ |
895 | typedef enum { |
896 | /* Address events */ |
897 | /* |
898 | * XXX To avoid duplicacy and also for correctness |
899 | * only report these for link local and stable addresses |
900 | * NOTE: Link local address can never be marked detached |
901 | * or duplicated. |
902 | */ |
903 | IN6_ADDR_MARKED_DUPLICATED, |
904 | IN6_ADDR_MARKED_DETACHED, |
905 | IN6_ADDR_MARKED_DEPRECATED, |
906 | |
907 | /* Expiry events */ |
908 | IN6_NDP_RTR_EXPIRY, |
909 | IN6_NDP_PFX_EXPIRY, |
910 | IN6_NDP_ADDR_EXPIRY, |
911 | |
912 | /* XXX DNS expiry needs to be handled by user-space */ |
913 | /* MAX */ |
914 | IN6_EVENT_MAX, |
915 | } in6_evhdlr_code_t; |
916 | |
917 | struct in6_event2kev { |
918 | in6_evhdlr_code_t in6_event_code; |
919 | uint32_t in6_event_kev_subclass; |
920 | uint32_t in6_event_kev_code; |
921 | const char *in6_event_str; |
922 | }; |
923 | extern struct in6_event2kev in6_event2kev_array[]; |
924 | extern void in6_eventhdlr_callback(struct eventhandler_entry_arg, in6_evhdlr_code_t, |
925 | struct ifnet *, struct in6_addr *, uint32_t); |
926 | extern void in6_event_enqueue_nwk_wq_entry(in6_evhdlr_code_t, |
927 | struct ifnet *, struct in6_addr *, uint32_t); |
928 | |
929 | typedef void (*in6_event_fn) (struct eventhandler_entry_arg, in6_evhdlr_code_t, |
930 | struct ifnet *, struct in6_addr *, uint32_t); |
931 | EVENTHANDLER_DECLARE(in6_event, in6_event_fn); |
932 | #endif /* BSD_KERNEL_PRIVATE */ |
933 | |
934 | #ifdef PRIVATE |
935 | /* CLAT46 events */ |
936 | typedef enum in6_clat46_evhdlr_code_t { |
937 | IN6_CLAT46_EVENT_V4_FLOW, |
938 | IN6_CLAT46_EVENT_V6_ADDR_CONFFAIL, |
939 | } in6_clat46_evhdlr_code_t; |
940 | |
941 | struct kev_netevent_clat46_data { |
942 | in6_clat46_evhdlr_code_t clat46_event_code; |
943 | pid_t epid; |
944 | uuid_t euuid; |
945 | }; |
946 | #endif /* PRIVATE */ |
947 | |
948 | #ifdef BSD_KERNEL_PRIVATE |
949 | /* CLAT46 events */ |
950 | extern struct eventhandler_lists_ctxt in6_clat46_evhdlr_ctxt; |
951 | extern void in6_clat46_eventhdlr_callback(struct eventhandler_entry_arg, |
952 | in6_clat46_evhdlr_code_t, pid_t, uuid_t); |
953 | extern void in6_clat46_event_enqueue_nwk_wq_entry(in6_clat46_evhdlr_code_t, |
954 | pid_t, uuid_t); |
955 | |
956 | typedef void (*in6_clat46_event_fn) (struct eventhandler_entry_arg, in6_clat46_evhdlr_code_t, |
957 | pid_t, uuid_t); |
958 | EVENTHANDLER_DECLARE(in6_clat46_event, in6_clat46_event_fn); |
959 | #endif /* BSD_KERNEL_PRIVATE */ |
960 | |
961 | #ifdef KERNEL_PRIVATE |
962 | /* exporte for ApplicationFirewall */ |
963 | extern int in6_localaddr(struct in6_addr *); |
964 | extern int in6addr_local(struct in6_addr *); |
965 | #endif /* KERNEL_PRIVATE */ |
966 | |
967 | #ifndef KERNEL |
968 | __BEGIN_DECLS |
969 | struct cmsghdr; |
970 | |
971 | extern int inet6_option_space(int); |
972 | extern int inet6_option_init(void *, struct cmsghdr **, int); |
973 | extern int inet6_option_append(struct cmsghdr *, const __uint8_t *, int, int); |
974 | extern __uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); |
975 | extern int inet6_option_next(const struct cmsghdr *, __uint8_t **); |
976 | extern int inet6_option_find(const struct cmsghdr *, __uint8_t **, int); |
977 | |
978 | extern size_t inet6_rthdr_space(int, int); |
979 | extern struct cmsghdr *inet6_rthdr_init(void *, int); |
980 | extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *, |
981 | unsigned int); |
982 | extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int); |
983 | #if 0 /* not implemented yet */ |
984 | extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *); |
985 | #endif |
986 | extern int inet6_rthdr_segments(const struct cmsghdr *); |
987 | extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int); |
988 | extern int inet6_rthdr_getflags(const struct cmsghdr *, int); |
989 | |
990 | extern int inet6_opt_init(void *, socklen_t); |
991 | extern int inet6_opt_append(void *, socklen_t, int, __uint8_t, socklen_t, |
992 | __uint8_t, void **); |
993 | extern int inet6_opt_finish(void *, socklen_t, int); |
994 | extern int inet6_opt_set_val(void *, int, void *, socklen_t); |
995 | |
996 | extern int inet6_opt_next(void *, socklen_t, int, __uint8_t *, socklen_t *, |
997 | void **); |
998 | extern int inet6_opt_find(void *, socklen_t, int, __uint8_t, socklen_t *, |
999 | void **); |
1000 | extern int inet6_opt_get_val(void *, int, void *, socklen_t); |
1001 | extern socklen_t inet6_rth_space(int, int); |
1002 | extern void *inet6_rth_init(void *, socklen_t, int, int); |
1003 | extern int inet6_rth_add(void *, const struct in6_addr *); |
1004 | extern int inet6_rth_reverse(const void *, void *); |
1005 | extern int inet6_rth_segments(const void *); |
1006 | extern struct in6_addr *inet6_rth_getaddr(const void *, int); |
1007 | extern void addrsel_policy_init(void); |
1008 | |
1009 | __END_DECLS |
1010 | #endif /* !KERNEL */ |
1011 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
1012 | #endif /* !_NETINET6_IN6_H_ */ |
1013 | |