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_H_ |
65 | #define _NETINET_IN_H_ |
66 | |
67 | #ifndef DRIVERKIT |
68 | #include <sys/appleapiopts.h> |
69 | #include <stdint.h> /* uint(8|16|32)_t */ |
70 | |
71 | #ifndef KERNEL |
72 | #include <Availability.h> |
73 | #endif |
74 | |
75 | #else |
76 | #include <sys/_types.h> |
77 | #include <sys/_types/_sa_family_t.h> |
78 | #endif /* DRIVERKIT */ |
79 | |
80 | #include <sys/_types/_in_addr_t.h> |
81 | #include <sys/_types/_in_port_t.h> |
82 | |
83 | #ifndef DRIVERKIT |
84 | /* |
85 | * POSIX 1003.1-2003 |
86 | * "Inclusion of the <netinet/in.h> header may also make visible all |
87 | * symbols from <inttypes.h> and <sys/socket.h>". |
88 | */ |
89 | #include <sys/socket.h> |
90 | #endif /* DRIVERKIT */ |
91 | |
92 | /* |
93 | * The following two #includes insure htonl and family are defined |
94 | */ |
95 | #include <machine/endian.h> |
96 | #include <sys/_endian.h> |
97 | |
98 | /* |
99 | * Constants and structures defined by the internet system, |
100 | * Per RFC 790, September 1981, and numerous additions. |
101 | */ |
102 | |
103 | /* |
104 | * Protocols (RFC 1700) |
105 | */ |
106 | #define IPPROTO_IP 0 /* dummy for IP */ |
107 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
108 | #define IPPROTO_HOPOPTS 0 /* IP6 hop-by-hop options */ |
109 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
110 | #define IPPROTO_ICMP 1 /* control message protocol */ |
111 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
112 | #define IPPROTO_IGMP 2 /* group mgmt protocol */ |
113 | #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ |
114 | #define IPPROTO_IPV4 4 /* IPv4 encapsulation */ |
115 | #define IPPROTO_IPIP IPPROTO_IPV4 /* for compatibility */ |
116 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
117 | #define IPPROTO_TCP 6 /* tcp */ |
118 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
119 | #define IPPROTO_ST 7 /* Stream protocol II */ |
120 | #define IPPROTO_EGP 8 /* exterior gateway protocol */ |
121 | #define IPPROTO_PIGP 9 /* private interior gateway */ |
122 | #define IPPROTO_RCCMON 10 /* BBN RCC Monitoring */ |
123 | #define IPPROTO_NVPII 11 /* network voice protocol*/ |
124 | #define IPPROTO_PUP 12 /* pup */ |
125 | #define IPPROTO_ARGUS 13 /* Argus */ |
126 | #define IPPROTO_EMCON 14 /* EMCON */ |
127 | #define IPPROTO_XNET 15 /* Cross Net Debugger */ |
128 | #define IPPROTO_CHAOS 16 /* Chaos*/ |
129 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
130 | #define IPPROTO_UDP 17 /* user datagram protocol */ |
131 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
132 | #define IPPROTO_MUX 18 /* Multiplexing */ |
133 | #define IPPROTO_MEAS 19 /* DCN Measurement Subsystems */ |
134 | #define IPPROTO_HMP 20 /* Host Monitoring */ |
135 | #define IPPROTO_PRM 21 /* Packet Radio Measurement */ |
136 | #define IPPROTO_IDP 22 /* xns idp */ |
137 | #define IPPROTO_TRUNK1 23 /* Trunk-1 */ |
138 | #define IPPROTO_TRUNK2 24 /* Trunk-2 */ |
139 | #define IPPROTO_LEAF1 25 /* Leaf-1 */ |
140 | #define IPPROTO_LEAF2 26 /* Leaf-2 */ |
141 | #define IPPROTO_RDP 27 /* Reliable Data */ |
142 | #define IPPROTO_IRTP 28 /* Reliable Transaction */ |
143 | #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */ |
144 | #define IPPROTO_BLT 30 /* Bulk Data Transfer */ |
145 | #define IPPROTO_NSP 31 /* Network Services */ |
146 | #define IPPROTO_INP 32 /* Merit Internodal */ |
147 | #define IPPROTO_SEP 33 /* Sequential Exchange */ |
148 | #define IPPROTO_3PC 34 /* Third Party Connect */ |
149 | #define IPPROTO_IDPR 35 /* InterDomain Policy Routing */ |
150 | #define IPPROTO_XTP 36 /* XTP */ |
151 | #define IPPROTO_DDP 37 /* Datagram Delivery */ |
152 | #define IPPROTO_CMTP 38 /* Control Message Transport */ |
153 | #define IPPROTO_TPXX 39 /* TP++ Transport */ |
154 | #define IPPROTO_IL 40 /* IL transport protocol */ |
155 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
156 | #define IPPROTO_IPV6 41 /* IP6 header */ |
157 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
158 | #define IPPROTO_SDRP 42 /* Source Demand Routing */ |
159 | #define IPPROTO_ROUTING 43 /* IP6 routing header */ |
160 | #define IPPROTO_FRAGMENT 44 /* IP6 fragmentation header */ |
161 | #define IPPROTO_IDRP 45 /* InterDomain Routing*/ |
162 | #define IPPROTO_RSVP 46 /* resource reservation */ |
163 | #define IPPROTO_GRE 47 /* General Routing Encap. */ |
164 | #define IPPROTO_MHRP 48 /* Mobile Host Routing */ |
165 | #define IPPROTO_BHA 49 /* BHA */ |
166 | #define IPPROTO_ESP 50 /* IP6 Encap Sec. Payload */ |
167 | #define IPPROTO_AH 51 /* IP6 Auth Header */ |
168 | #define IPPROTO_INLSP 52 /* Integ. Net Layer Security */ |
169 | #define IPPROTO_SWIPE 53 /* IP with encryption */ |
170 | #define IPPROTO_NHRP 54 /* Next Hop Resolution */ |
171 | /* 55-57: Unassigned */ |
172 | #define IPPROTO_ICMPV6 58 /* ICMP6 */ |
173 | #define IPPROTO_NONE 59 /* IP6 no next header */ |
174 | #define IPPROTO_DSTOPTS 60 /* IP6 destination option */ |
175 | #define IPPROTO_AHIP 61 /* any host internal protocol */ |
176 | #define IPPROTO_CFTP 62 /* CFTP */ |
177 | #define IPPROTO_HELLO 63 /* "hello" routing protocol */ |
178 | #define IPPROTO_SATEXPAK 64 /* SATNET/Backroom EXPAK */ |
179 | #define IPPROTO_KRYPTOLAN 65 /* Kryptolan */ |
180 | #define IPPROTO_RVD 66 /* Remote Virtual Disk */ |
181 | #define IPPROTO_IPPC 67 /* Pluribus Packet Core */ |
182 | #define IPPROTO_ADFS 68 /* Any distributed FS */ |
183 | #define IPPROTO_SATMON 69 /* Satnet Monitoring */ |
184 | #define IPPROTO_VISA 70 /* VISA Protocol */ |
185 | #define IPPROTO_IPCV 71 /* Packet Core Utility */ |
186 | #define IPPROTO_CPNX 72 /* Comp. Prot. Net. Executive */ |
187 | #define IPPROTO_CPHB 73 /* Comp. Prot. HeartBeat */ |
188 | #define IPPROTO_WSN 74 /* Wang Span Network */ |
189 | #define IPPROTO_PVP 75 /* Packet Video Protocol */ |
190 | #define IPPROTO_BRSATMON 76 /* BackRoom SATNET Monitoring */ |
191 | #define IPPROTO_ND 77 /* Sun net disk proto (temp.) */ |
192 | #define IPPROTO_WBMON 78 /* WIDEBAND Monitoring */ |
193 | #define IPPROTO_WBEXPAK 79 /* WIDEBAND EXPAK */ |
194 | #define IPPROTO_EON 80 /* ISO cnlp */ |
195 | #define IPPROTO_VMTP 81 /* VMTP */ |
196 | #define IPPROTO_SVMTP 82 /* Secure VMTP */ |
197 | #define IPPROTO_VINES 83 /* Banyon VINES */ |
198 | #define IPPROTO_TTP 84 /* TTP */ |
199 | #define IPPROTO_IGP 85 /* NSFNET-IGP */ |
200 | #define IPPROTO_DGP 86 /* dissimilar gateway prot. */ |
201 | #define IPPROTO_TCF 87 /* TCF */ |
202 | #define IPPROTO_IGRP 88 /* Cisco/GXS IGRP */ |
203 | #define IPPROTO_OSPFIGP 89 /* OSPFIGP */ |
204 | #define IPPROTO_SRPC 90 /* Strite RPC protocol */ |
205 | #define IPPROTO_LARP 91 /* Locus Address Resoloution */ |
206 | #define IPPROTO_MTP 92 /* Multicast Transport */ |
207 | #define IPPROTO_AX25 93 /* AX.25 Frames */ |
208 | #define IPPROTO_IPEIP 94 /* IP encapsulated in IP */ |
209 | #define IPPROTO_MICP 95 /* Mobile Int.ing control */ |
210 | #define IPPROTO_SCCSP 96 /* Semaphore Comm. security */ |
211 | #define IPPROTO_ETHERIP 97 /* Ethernet IP encapsulation */ |
212 | #define IPPROTO_ENCAP 98 /* encapsulation header */ |
213 | #define IPPROTO_APES 99 /* any private encr. scheme */ |
214 | #define IPPROTO_GMTP 100 /* GMTP*/ |
215 | /* 101-252: Partly Unassigned */ |
216 | #define IPPROTO_PIM 103 /* Protocol Independent Mcast */ |
217 | #define IPPROTO_IPCOMP 108 /* payload compression (IPComp) */ |
218 | #define IPPROTO_PGM 113 /* PGM */ |
219 | #define IPPROTO_SCTP 132 /* SCTP */ |
220 | /* 253-254: Experimentation and testing; 255: Reserved (RFC3692) */ |
221 | /* BSD Private, local use, namespace incursion */ |
222 | #define IPPROTO_DIVERT 254 /* divert pseudo-protocol */ |
223 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
224 | #define IPPROTO_RAW 255 /* raw IP packet */ |
225 | |
226 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
227 | #define IPPROTO_MAX 256 |
228 | |
229 | /* last return value of *_input(), meaning "all job for this pkt is done". */ |
230 | #define IPPROTO_DONE 257 |
231 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
232 | |
233 | /* |
234 | * Local port number conventions: |
235 | * |
236 | * When a user does a bind(2) or connect(2) with a port number of zero, |
237 | * a non-conflicting local port address is chosen. |
238 | * The default range is IPPORT_RESERVED through |
239 | * IPPORT_USERRESERVED, although that is settable by sysctl. |
240 | * |
241 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this |
242 | * default assignment range. |
243 | * |
244 | * The value IP_PORTRANGE_DEFAULT causes the default behavior. |
245 | * |
246 | * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers |
247 | * into the "high" range. These are reserved for client outbound connections |
248 | * which do not want to be filtered by any firewalls. |
249 | * |
250 | * The value IP_PORTRANGE_LOW changes the range to the "low" are |
251 | * that is (by convention) restricted to privileged processes. This |
252 | * convention is based on "vouchsafe" principles only. It is only secure |
253 | * if you trust the remote host to restrict these ports. |
254 | * |
255 | * The default range of ports and the high range can be changed by |
256 | * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto) |
257 | * |
258 | * Changing those values has bad security implications if you are |
259 | * using a a stateless firewall that is allowing packets outside of that |
260 | * range in order to allow transparent outgoing connections. |
261 | * |
262 | * Such a firewall configuration will generally depend on the use of these |
263 | * default values. If you change them, you may find your Security |
264 | * Administrator looking for you with a heavy object. |
265 | * |
266 | * For a slightly more orthodox text view on this: |
267 | * |
268 | * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers |
269 | * |
270 | * port numbers are divided into three ranges: |
271 | * |
272 | * 0 - 1023 Well Known Ports |
273 | * 1024 - 49151 Registered Ports |
274 | * 49152 - 65535 Dynamic and/or Private Ports |
275 | * |
276 | */ |
277 | |
278 | #define __DARWIN_IPPORT_RESERVED 1024 |
279 | |
280 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
281 | /* |
282 | * Ports < IPPORT_RESERVED are reserved for |
283 | * privileged processes (e.g. root). (IP_PORTRANGE_LOW) |
284 | * Ports > IPPORT_USERRESERVED are reserved |
285 | * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT) |
286 | */ |
287 | #ifndef IPPORT_RESERVED |
288 | #define IPPORT_RESERVED __DARWIN_IPPORT_RESERVED |
289 | #endif |
290 | #define IPPORT_USERRESERVED 5000 |
291 | |
292 | /* |
293 | * Default local port range to use by setting IP_PORTRANGE_HIGH |
294 | */ |
295 | #define IPPORT_HIFIRSTAUTO 49152 |
296 | #define IPPORT_HILASTAUTO 65535 |
297 | |
298 | /* |
299 | * Scanning for a free reserved port return a value below IPPORT_RESERVED, |
300 | * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was |
301 | * 512, but that conflicts with some well-known-services that firewalls may |
302 | * have a fit if we use. |
303 | */ |
304 | #define IPPORT_RESERVEDSTART 600 |
305 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
306 | |
307 | /* |
308 | * Internet address (a structure for historical reasons) |
309 | */ |
310 | struct in_addr { |
311 | in_addr_t s_addr; |
312 | }; |
313 | |
314 | /* |
315 | * Definitions of bits in internet address integers. |
316 | * On subnets, the decomposition of addresses to host and net parts |
317 | * is done according to subnet mask, not the masks here. |
318 | */ |
319 | #define INADDR_ANY (u_int32_t)0x00000000 |
320 | #define INADDR_BROADCAST (u_int32_t)0xffffffff /* must be masked */ |
321 | |
322 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
323 | #define IN_CLASSA(i) (((u_int32_t)(i) & 0x80000000) == 0) |
324 | #define IN_CLASSA_NET 0xff000000 |
325 | #define IN_CLASSA_NSHIFT 24 |
326 | #define IN_CLASSA_HOST 0x00ffffff |
327 | #define IN_CLASSA_MAX 128 |
328 | |
329 | #define IN_CLASSB(i) (((u_int32_t)(i) & 0xc0000000) == 0x80000000) |
330 | #define IN_CLASSB_NET 0xffff0000 |
331 | #define IN_CLASSB_NSHIFT 16 |
332 | #define IN_CLASSB_HOST 0x0000ffff |
333 | #define IN_CLASSB_MAX 65536 |
334 | |
335 | #define IN_CLASSC(i) (((u_int32_t)(i) & 0xe0000000) == 0xc0000000) |
336 | #define IN_CLASSC_NET 0xffffff00 |
337 | #define IN_CLASSC_NSHIFT 8 |
338 | #define IN_CLASSC_HOST 0x000000ff |
339 | |
340 | #define IN_CLASSD(i) (((u_int32_t)(i) & 0xf0000000) == 0xe0000000) |
341 | #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ |
342 | #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ |
343 | #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ |
344 | #define IN_MULTICAST(i) IN_CLASSD(i) |
345 | |
346 | #define IN_EXPERIMENTAL(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) |
347 | #define IN_BADCLASS(i) (((u_int32_t)(i) & 0xf0000000) == 0xf0000000) |
348 | |
349 | #define INADDR_LOOPBACK (u_int32_t)0x7f000001 |
350 | |
351 | #ifndef KERNEL |
352 | #define INADDR_NONE 0xffffffff /* -1 return */ |
353 | #endif |
354 | |
355 | #define INADDR_UNSPEC_GROUP (u_int32_t)0xe0000000 /* 224.0.0.0 */ |
356 | #define INADDR_ALLHOSTS_GROUP (u_int32_t)0xe0000001 /* 224.0.0.1 */ |
357 | #define INADDR_ALLRTRS_GROUP (u_int32_t)0xe0000002 /* 224.0.0.2 */ |
358 | #define INADDR_ALLRPTS_GROUP (u_int32_t)0xe0000016 /* 224.0.0.22, IGMPv3 */ |
359 | #define INADDR_CARP_GROUP (u_int32_t)0xe0000012 /* 224.0.0.18 */ |
360 | #define INADDR_PFSYNC_GROUP (u_int32_t)0xe00000f0 /* 224.0.0.240 */ |
361 | #define INADDR_ALLMDNS_GROUP (u_int32_t)0xe00000fb /* 224.0.0.251 */ |
362 | #define INADDR_MAX_LOCAL_GROUP (u_int32_t)0xe00000ff /* 224.0.0.255 */ |
363 | |
364 | #ifdef __APPLE__ |
365 | #define IN_LINKLOCALNETNUM (u_int32_t)0xA9FE0000 /* 169.254.0.0 */ |
366 | #define IN_LINKLOCAL(i) (((u_int32_t)(i) & IN_CLASSB_NET) == IN_LINKLOCALNETNUM) |
367 | #define IN_LOOPBACK(i) (((u_int32_t)(i) & 0xff000000) == 0x7f000000) |
368 | #define IN_ZERONET(i) (((u_int32_t)(i) & 0xff000000) == 0) |
369 | |
370 | #define IN_PRIVATE(i) ((((u_int32_t)(i) & 0xff000000) == 0x0a000000) || \ |
371 | (((u_int32_t)(i) & 0xfff00000) == 0xac100000) || \ |
372 | (((u_int32_t)(i) & 0xffff0000) == 0xc0a80000)) |
373 | |
374 | #define IN_LOCAL_GROUP(i) (((u_int32_t)(i) & 0xffffff00) == 0xe0000000) |
375 | |
376 | #define IN_ANY_LOCAL(i) (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i)) |
377 | #endif /* __APPLE__ */ |
378 | |
379 | #define IN_LOOPBACKNET 127 /* official! */ |
380 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
381 | |
382 | /* |
383 | * Socket address, internet style. |
384 | */ |
385 | struct sockaddr_in { |
386 | __uint8_t sin_len; |
387 | sa_family_t sin_family; |
388 | in_port_t sin_port; |
389 | struct in_addr sin_addr; |
390 | char sin_zero[8]; |
391 | }; |
392 | |
393 | #define IN_ARE_ADDR_EQUAL(a, b) \ |
394 | (bcmp(&(a)->s_addr, &(b)->s_addr, \ |
395 | sizeof (struct in_addr)) == 0) |
396 | |
397 | #define INET_ADDRSTRLEN 16 |
398 | |
399 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
400 | /* |
401 | * Structure used to describe IP options. |
402 | * Used to store options internally, to pass them to a process, |
403 | * or to restore options retrieved earlier. |
404 | * The ip_dst is used for the first-hop gateway when using a source route |
405 | * (this gets put into the header proper). |
406 | */ |
407 | struct ip_opts { |
408 | struct in_addr ip_dst; /* first hop, 0 w/o src rt */ |
409 | char ip_opts[40]; /* actually variable in size */ |
410 | }; |
411 | |
412 | /* |
413 | * Options for use with [gs]etsockopt at the IP level. |
414 | * First word of comment is data type; bool is stored in int. |
415 | */ |
416 | #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */ |
417 | #define IP_HDRINCL 2 /* int; header is included with data */ |
418 | #define IP_TOS 3 /* int; IP type of service and preced. */ |
419 | #define IP_TTL 4 /* int; IP time to live */ |
420 | #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */ |
421 | #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */ |
422 | #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */ |
423 | #define IP_RETOPTS 8 /* ip_opts; set/get IP options */ |
424 | #define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */ |
425 | #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ |
426 | #define IP_MULTICAST_LOOP 11 /* u_char; set/get IP multicast loopback */ |
427 | #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ |
428 | #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ |
429 | #define IP_MULTICAST_VIF 14 /* set/get IP mcast virt. iface */ |
430 | #define IP_RSVP_ON 15 /* enable RSVP in kernel */ |
431 | #define IP_RSVP_OFF 16 /* disable RSVP in kernel */ |
432 | #define IP_RSVP_VIF_ON 17 /* set RSVP per-vif socket */ |
433 | #define IP_RSVP_VIF_OFF 18 /* unset RSVP per-vif socket */ |
434 | #define IP_PORTRANGE 19 /* int; range to choose for unspec port */ |
435 | #define IP_RECVIF 20 /* bool; receive reception if w/dgram */ |
436 | /* for IPSEC */ |
437 | #define IP_IPSEC_POLICY 21 /* int; set/get security policy */ |
438 | #define IP_FAITH 22 /* deprecated */ |
439 | #ifdef __APPLE__ |
440 | #define IP_STRIPHDR 23 /* bool: drop receive of raw IP header */ |
441 | #endif |
442 | #define IP_RECVTTL 24 /* bool; receive reception TTL w/dgram */ |
443 | #define IP_BOUND_IF 25 /* int; set/get bound interface */ |
444 | #define IP_PKTINFO 26 /* get pktinfo on recv socket, set src on sent dgram */ |
445 | #define IP_RECVPKTINFO IP_PKTINFO /* receive pktinfo w/dgram */ |
446 | #define IP_RECVTOS 27 /* bool; receive IP TOS w/dgram */ |
447 | #define IP_DONTFRAG 28 /* don't fragment packet */ |
448 | |
449 | #define IP_FW_ADD 40 /* add a firewall rule to chain */ |
450 | #define IP_FW_DEL 41 /* delete a firewall rule from chain */ |
451 | #define IP_FW_FLUSH 42 /* flush firewall rule chain */ |
452 | #define IP_FW_ZERO 43 /* clear single/all firewall counter(s) */ |
453 | #define IP_FW_GET 44 /* get entire firewall rule chain */ |
454 | #define IP_FW_RESETLOG 45 /* reset logging counters */ |
455 | |
456 | /* These older firewall socket option codes are maintained for backward compatibility. */ |
457 | #define IP_OLD_FW_ADD 50 /* add a firewall rule to chain */ |
458 | #define IP_OLD_FW_DEL 51 /* delete a firewall rule from chain */ |
459 | #define IP_OLD_FW_FLUSH 52 /* flush firewall rule chain */ |
460 | #define IP_OLD_FW_ZERO 53 /* clear single/all firewall counter(s) */ |
461 | #define IP_OLD_FW_GET 54 /* get entire firewall rule chain */ |
462 | #define IP_NAT__XXX 55 /* set/get NAT opts XXX Deprecated, do not use */ |
463 | #define IP_OLD_FW_RESETLOG 56 /* reset logging counters */ |
464 | |
465 | #define IP_DUMMYNET_CONFIGURE 60 /* add/configure a dummynet pipe */ |
466 | #define IP_DUMMYNET_DEL 61 /* delete a dummynet pipe from chain */ |
467 | #define IP_DUMMYNET_FLUSH 62 /* flush dummynet */ |
468 | #define IP_DUMMYNET_GET 64 /* get entire dummynet pipes */ |
469 | |
470 | #define IP_TRAFFIC_MGT_BACKGROUND 65 /* int*; get background IO flags; set background IO */ |
471 | #define IP_MULTICAST_IFINDEX 66 /* int*; set/get IP multicast i/f index */ |
472 | |
473 | /* IPv4 Source Filter Multicast API [RFC3678] */ |
474 | #define IP_ADD_SOURCE_MEMBERSHIP 70 /* join a source-specific group */ |
475 | #define IP_DROP_SOURCE_MEMBERSHIP 71 /* drop a single source */ |
476 | #define IP_BLOCK_SOURCE 72 /* block a source */ |
477 | #define IP_UNBLOCK_SOURCE 73 /* unblock a source */ |
478 | |
479 | /* The following option is private; do not use it from user applications. */ |
480 | #define IP_MSFILTER 74 /* set/get filter list */ |
481 | |
482 | /* Protocol Independent Multicast API [RFC3678] */ |
483 | #define MCAST_JOIN_GROUP 80 /* join an any-source group */ |
484 | #define MCAST_LEAVE_GROUP 81 /* leave all sources for group */ |
485 | #define MCAST_JOIN_SOURCE_GROUP 82 /* join a source-specific group */ |
486 | #define MCAST_LEAVE_SOURCE_GROUP 83 /* leave a single source */ |
487 | #define MCAST_BLOCK_SOURCE 84 /* block a source */ |
488 | #define MCAST_UNBLOCK_SOURCE 85 /* unblock a source */ |
489 | |
490 | #ifdef PRIVATE |
491 | /* See in_private.h for additional options */ |
492 | #endif /* PRIVATE */ |
493 | |
494 | /* |
495 | * Defaults and limits for options |
496 | */ |
497 | #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ |
498 | #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ |
499 | |
500 | /* |
501 | * The imo_membership vector for each socket is now dynamically allocated at |
502 | * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized |
503 | * according to a power-of-two increment. |
504 | */ |
505 | #define IP_MIN_MEMBERSHIPS 31 |
506 | #define IP_MAX_MEMBERSHIPS 4095 |
507 | |
508 | /* |
509 | * Default resource limits for IPv4 multicast source filtering. |
510 | * These may be modified by sysctl. |
511 | */ |
512 | #define IP_MAX_GROUP_SRC_FILTER 512 /* sources per group */ |
513 | #define IP_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */ |
514 | #define IP_MAX_SOCK_MUTE_FILTER 128 /* XXX no longer used */ |
515 | |
516 | #ifndef XNU_PLATFORM_DriverKit |
517 | /* |
518 | * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. |
519 | */ |
520 | struct ip_mreq { |
521 | struct in_addr imr_multiaddr; /* IP multicast address of group */ |
522 | struct in_addr imr_interface; /* local IP address of interface */ |
523 | }; |
524 | |
525 | /* |
526 | * Modified argument structure for IP_MULTICAST_IF, obtained from Linux. |
527 | * This is used to specify an interface index for multicast sends, as |
528 | * the IPv4 legacy APIs do not support this (unless IP_SENDIF is available). |
529 | */ |
530 | struct ip_mreqn { |
531 | struct in_addr imr_multiaddr; /* IP multicast address of group */ |
532 | struct in_addr imr_address; /* local IP address of interface */ |
533 | int imr_ifindex; /* Interface index; cast to uint32_t */ |
534 | }; |
535 | |
536 | #pragma pack(4) |
537 | /* |
538 | * Argument structure for IPv4 Multicast Source Filter APIs. [RFC3678] |
539 | */ |
540 | struct ip_mreq_source { |
541 | struct in_addr imr_multiaddr; /* IP multicast address of group */ |
542 | struct in_addr imr_sourceaddr; /* IP address of source */ |
543 | struct in_addr imr_interface; /* local IP address of interface */ |
544 | }; |
545 | |
546 | /* |
547 | * Argument structures for Protocol-Independent Multicast Source |
548 | * Filter APIs. [RFC3678] |
549 | */ |
550 | struct group_req { |
551 | uint32_t gr_interface; /* interface index */ |
552 | struct sockaddr_storage gr_group; /* group address */ |
553 | }; |
554 | |
555 | struct group_source_req { |
556 | uint32_t gsr_interface; /* interface index */ |
557 | struct sockaddr_storage gsr_group; /* group address */ |
558 | struct sockaddr_storage gsr_source; /* source address */ |
559 | }; |
560 | |
561 | #ifndef __MSFILTERREQ_DEFINED |
562 | #define __MSFILTERREQ_DEFINED |
563 | /* |
564 | * The following structure is private; do not use it from user applications. |
565 | * It is used to communicate IP_MSFILTER/IPV6_MSFILTER information between |
566 | * the RFC 3678 libc functions and the kernel. |
567 | */ |
568 | struct __msfilterreq { |
569 | uint32_t msfr_ifindex; /* interface index */ |
570 | uint32_t msfr_fmode; /* filter mode for group */ |
571 | uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ |
572 | uint32_t __msfr_align; |
573 | struct sockaddr_storage msfr_group; /* group address */ |
574 | struct sockaddr_storage *msfr_srcs; |
575 | }; |
576 | |
577 | #ifdef BSD_KERNEL_PRIVATE |
578 | struct __msfilterreq32 { |
579 | uint32_t msfr_ifindex; /* interface index */ |
580 | uint32_t msfr_fmode; /* filter mode for group */ |
581 | uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ |
582 | uint32_t __msfr_align; |
583 | struct sockaddr_storage msfr_group; /* group address */ |
584 | user32_addr_t msfr_srcs; |
585 | }; |
586 | |
587 | struct __msfilterreq64 { |
588 | uint32_t msfr_ifindex; /* interface index */ |
589 | uint32_t msfr_fmode; /* filter mode for group */ |
590 | uint32_t msfr_nsrcs; /* # of sources in msfr_srcs */ |
591 | uint32_t __msfr_align; |
592 | struct sockaddr_storage msfr_group; /* group address */ |
593 | user64_addr_t msfr_srcs; |
594 | }; |
595 | |
596 | #endif /* BSD_KERNEL_PRIVATE */ |
597 | #endif /* __MSFILTERREQ_DEFINED */ |
598 | |
599 | #pragma pack() |
600 | struct sockaddr; |
601 | |
602 | #ifndef KERNEL |
603 | /* |
604 | * Advanced (Full-state) APIs [RFC3678] |
605 | * The RFC specifies uint_t for the 6th argument to [sg]etsourcefilter(). |
606 | * We use uint32_t here to be consistent. |
607 | */ |
608 | int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, |
609 | uint32_t, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); |
610 | int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, |
611 | uint32_t *, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); |
612 | int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, |
613 | uint32_t, uint32_t, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); |
614 | int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, |
615 | uint32_t *, uint32_t *, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); |
616 | #endif |
617 | #endif /* XNU_PLATFORM_DriverKit */ |
618 | |
619 | /* |
620 | * Filter modes; also used to represent per-socket filter mode internally. |
621 | */ |
622 | #define MCAST_UNDEFINED 0 /* fmode: not yet defined */ |
623 | #define MCAST_INCLUDE 1 /* fmode: include these source(s) */ |
624 | #define MCAST_EXCLUDE 2 /* fmode: exclude these source(s) */ |
625 | |
626 | /* |
627 | * Argument for IP_PORTRANGE: |
628 | * - which range to search when port is unspecified at bind() or connect() |
629 | */ |
630 | #define IP_PORTRANGE_DEFAULT 0 /* default range */ |
631 | #define IP_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ |
632 | #define IP_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ |
633 | |
634 | |
635 | /* |
636 | * IP_PKTINFO: Packet information (equivalent to RFC2292 sec 5 for IPv4) |
637 | * This structure is used for |
638 | * |
639 | * 1) Receiving ancilliary data about the datagram if IP_PKTINFO sockopt is |
640 | * set on the socket. In this case ipi_ifindex will contain the interface |
641 | * index the datagram was received on, ipi_addr is the IP address the |
642 | * datagram was received to. |
643 | * |
644 | * 2) Sending a datagram using a specific interface or IP source address. |
645 | * if ipi_ifindex is set to non-zero when in_pktinfo is passed as |
646 | * ancilliary data of type IP_PKTINFO, this will be used as the source |
647 | * interface to send the datagram from. If ipi_ifindex is null, ip_spec_dst |
648 | * will be used for the source address. |
649 | * |
650 | * Note: if IP_BOUND_IF is set on the socket, ipi_ifindex in the ancillary |
651 | * IP_PKTINFO option silently overrides the bound interface when it is |
652 | * specified during send time. |
653 | */ |
654 | struct in_pktinfo { |
655 | unsigned int ipi_ifindex; /* send/recv interface index */ |
656 | struct in_addr ipi_spec_dst; /* Local address */ |
657 | struct in_addr ipi_addr; /* IP Header dst address */ |
658 | }; |
659 | |
660 | /* |
661 | * Definitions for inet sysctl operations. |
662 | * |
663 | * Third level is protocol number. |
664 | * Fourth level is desired variable within that protocol. |
665 | */ |
666 | #define IPPROTO_MAXID (IPPROTO_AH + 1) /* don't list to IPPROTO_MAX */ |
667 | |
668 | /* |
669 | * Names for IP sysctl objects |
670 | */ |
671 | #define IPCTL_FORWARDING 1 /* act as router */ |
672 | #define IPCTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ |
673 | #define IPCTL_DEFTTL 3 /* default TTL */ |
674 | #ifdef notyet |
675 | #define IPCTL_DEFMTU 4 /* default MTU */ |
676 | #endif |
677 | #define IPCTL_RTEXPIRE 5 /* cloned route expiration time */ |
678 | #define IPCTL_RTMINEXPIRE 6 /* min value for expiration time */ |
679 | #define IPCTL_RTMAXCACHE 7 /* trigger level for dynamic expire */ |
680 | #define IPCTL_SOURCEROUTE 8 /* may perform source routes */ |
681 | #define IPCTL_DIRECTEDBROADCAST 9 /* may re-broadcast received packets */ |
682 | #define IPCTL_INTRQMAXLEN 10 /* max length of netisr queue */ |
683 | #define IPCTL_INTRQDROPS 11 /* number of netisr q drops */ |
684 | #define IPCTL_STATS 12 /* ipstat structure */ |
685 | #define IPCTL_ACCEPTSOURCEROUTE 13 /* may accept source routed packets */ |
686 | #define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */ |
687 | #define IPCTL_KEEPFAITH 15 /* deprecated */ |
688 | #define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */ |
689 | #define IPCTL_MAXID 17 |
690 | |
691 | #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
692 | |
693 | /* INET6 stuff */ |
694 | #define __KAME_NETINET_IN_H_INCLUDED_ |
695 | #include <netinet6/in6.h> |
696 | #undef __KAME_NETINET_IN_H_INCLUDED_ |
697 | |
698 | #ifndef XNU_PLATFORM_DriverKit |
699 | #ifdef KERNEL |
700 | #define MAX_IPv4_STR_LEN 16 |
701 | #define MAX_IPv6_STR_LEN 64 |
702 | |
703 | extern int inet_aton(const char *, struct in_addr *); /* in libkern */ |
704 | extern const char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern*/ |
705 | #endif /* KERNEL */ |
706 | |
707 | #ifndef KERNEL |
708 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
709 | __BEGIN_DECLS |
710 | int bindresvport(int, struct sockaddr_in *); |
711 | struct sockaddr; |
712 | int bindresvport_sa(int, struct sockaddr *); |
713 | __END_DECLS |
714 | #endif |
715 | #endif /* !KERNEL */ |
716 | #endif /* XNU_PLATFORM_DriverKit */ |
717 | |
718 | #ifdef PRIVATE |
719 | #include <netinet/in_private.h> |
720 | #endif /* PRIVATE */ |
721 | |
722 | #endif /* _NETINET_IN_H_ */ |
723 | |