| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2008 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 | #include <sys/appleapiopts.h>␊ |
| 67 | #include <sys/_types.h>␊ |
| 68 | #include <stdint.h>␉␉/* uint(8|16|32)_t */␊ |
| 69 | ␊ |
| 70 | #ifndef _IN_ADDR_T␊ |
| 71 | #define _IN_ADDR_T␊ |
| 72 | typedef␉__uint32_t␉in_addr_t;␉/* base type for internet address */␊ |
| 73 | #endif␊ |
| 74 | ␊ |
| 75 | #ifndef _IN_PORT_T␊ |
| 76 | #define _IN_PORT_T␊ |
| 77 | typedef␉__uint16_t␉in_port_t;␊ |
| 78 | #endif␊ |
| 79 | ␊ |
| 80 | /*␊ |
| 81 | * POSIX 1003.1-2003␊ |
| 82 | * "Inclusion of the <netinet/in.h> header may also make visible all␊ |
| 83 | * symbols from <inttypes.h> and <sys/socket.h>".␊ |
| 84 | */␊ |
| 85 | #include <sys/socket.h>␊ |
| 86 | ␊ |
| 87 | /*␊ |
| 88 | * The following two #includes insure htonl and family are defined␊ |
| 89 | */␊ |
| 90 | #include <machine/endian.h>␊ |
| 91 | #include <sys/_endian.h>␊ |
| 92 | ␊ |
| 93 | /*␊ |
| 94 | * Constants and structures defined by the internet system,␊ |
| 95 | * Per RFC 790, September 1981, and numerous additions.␊ |
| 96 | */␊ |
| 97 | ␊ |
| 98 | /*␊ |
| 99 | * Protocols (RFC 1700)␊ |
| 100 | */␊ |
| 101 | #define␉IPPROTO_IP␉␉0␉␉/* dummy for IP */␊ |
| 102 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 103 | #define␉IPPROTO_HOPOPTS␉0␉␉/* IP6 hop-by-hop options */␊ |
| 104 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 105 | #define␉IPPROTO_ICMP␉␉1␉␉/* control message protocol */␊ |
| 106 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 107 | #define␉IPPROTO_IGMP␉␉2␉␉/* group mgmt protocol */␊ |
| 108 | #define␉IPPROTO_GGP␉␉3␉␉/* gateway^2 (deprecated) */␊ |
| 109 | #define IPPROTO_IPV4␉␉4 ␉␉/* IPv4 encapsulation */␊ |
| 110 | #define IPPROTO_IPIP␉␉IPPROTO_IPV4␉/* for compatibility */␊ |
| 111 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 112 | #define␉IPPROTO_TCP␉␉6␉␉/* tcp */␊ |
| 113 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 114 | #define␉IPPROTO_ST␉␉7␉␉/* Stream protocol II */␊ |
| 115 | #define␉IPPROTO_EGP␉␉8␉␉/* exterior gateway protocol */␊ |
| 116 | #define␉IPPROTO_PIGP␉␉9␉␉/* private interior gateway */␊ |
| 117 | #define␉IPPROTO_RCCMON␉␉10␉␉/* BBN RCC Monitoring */␊ |
| 118 | #define␉IPPROTO_NVPII␉␉11␉␉/* network voice protocol*/␊ |
| 119 | #define␉IPPROTO_PUP␉␉12␉␉/* pup */␊ |
| 120 | #define␉IPPROTO_ARGUS␉␉13␉␉/* Argus */␊ |
| 121 | #define␉IPPROTO_EMCON␉␉14␉␉/* EMCON */␊ |
| 122 | #define␉IPPROTO_XNET␉␉15␉␉/* Cross Net Debugger */␊ |
| 123 | #define␉IPPROTO_CHAOS␉␉16␉␉/* Chaos*/␊ |
| 124 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 125 | #define␉IPPROTO_UDP␉␉17␉␉/* user datagram protocol */␊ |
| 126 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 127 | #define␉IPPROTO_MUX␉␉18␉␉/* Multiplexing */␊ |
| 128 | #define␉IPPROTO_MEAS␉␉19␉␉/* DCN Measurement Subsystems */␊ |
| 129 | #define␉IPPROTO_HMP␉␉20␉␉/* Host Monitoring */␊ |
| 130 | #define␉IPPROTO_PRM␉␉21␉␉/* Packet Radio Measurement */␊ |
| 131 | #define␉IPPROTO_IDP␉␉22␉␉/* xns idp */␊ |
| 132 | #define␉IPPROTO_TRUNK1␉␉23␉␉/* Trunk-1 */␊ |
| 133 | #define␉IPPROTO_TRUNK2␉␉24␉␉/* Trunk-2 */␊ |
| 134 | #define␉IPPROTO_LEAF1␉␉25␉␉/* Leaf-1 */␊ |
| 135 | #define␉IPPROTO_LEAF2␉␉26␉␉/* Leaf-2 */␊ |
| 136 | #define␉IPPROTO_RDP␉␉27␉␉/* Reliable Data */␊ |
| 137 | #define␉IPPROTO_IRTP␉␉28␉␉/* Reliable Transaction */␊ |
| 138 | #define␉IPPROTO_TP␉␉29 ␉␉/* tp-4 w/ class negotiation */␊ |
| 139 | #define␉IPPROTO_BLT␉␉30␉␉/* Bulk Data Transfer */␊ |
| 140 | #define␉IPPROTO_NSP␉␉31␉␉/* Network Services */␊ |
| 141 | #define␉IPPROTO_INP␉␉32␉␉/* Merit Internodal */␊ |
| 142 | #define␉IPPROTO_SEP␉␉33␉␉/* Sequential Exchange */␊ |
| 143 | #define␉IPPROTO_3PC␉␉34␉␉/* Third Party Connect */␊ |
| 144 | #define␉IPPROTO_IDPR␉␉35␉␉/* InterDomain Policy Routing */␊ |
| 145 | #define␉IPPROTO_XTP␉␉36␉␉/* XTP */␊ |
| 146 | #define␉IPPROTO_DDP␉␉37␉␉/* Datagram Delivery */␊ |
| 147 | #define␉IPPROTO_CMTP␉␉38␉␉/* Control Message Transport */␊ |
| 148 | #define␉IPPROTO_TPXX␉␉39␉␉/* TP++ Transport */␊ |
| 149 | #define␉IPPROTO_IL␉␉40␉␉/* IL transport protocol */␊ |
| 150 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 151 | #define ␉IPPROTO_IPV6␉␉41␉␉/* IP6 header */␊ |
| 152 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 153 | #define␉IPPROTO_SDRP␉␉42␉␉/* Source Demand Routing */␊ |
| 154 | #define ␉IPPROTO_ROUTING␉43␉␉/* IP6 routing header */␊ |
| 155 | #define ␉IPPROTO_FRAGMENT␉44␉␉/* IP6 fragmentation header */␊ |
| 156 | #define␉IPPROTO_IDRP␉␉45␉␉/* InterDomain Routing*/␊ |
| 157 | #define ␉IPPROTO_RSVP␉␉46 ␉␉/* resource reservation */␊ |
| 158 | #define␉IPPROTO_GRE␉␉47␉␉/* General Routing Encap. */␊ |
| 159 | #define␉IPPROTO_MHRP␉␉48␉␉/* Mobile Host Routing */␊ |
| 160 | #define␉IPPROTO_BHA␉␉49␉␉/* BHA */␊ |
| 161 | #define␉IPPROTO_ESP␉␉50␉␉/* IP6 Encap Sec. Payload */␊ |
| 162 | #define␉IPPROTO_AH␉␉51␉␉/* IP6 Auth Header */␊ |
| 163 | #define␉IPPROTO_INLSP␉␉52␉␉/* Integ. Net Layer Security */␊ |
| 164 | #define␉IPPROTO_SWIPE␉␉53␉␉/* IP with encryption */␊ |
| 165 | #define␉IPPROTO_NHRP␉␉54␉␉/* Next Hop Resolution */␊ |
| 166 | /* 55-57: Unassigned */␊ |
| 167 | #define ␉IPPROTO_ICMPV6␉58␉␉/* ICMP6 */␊ |
| 168 | #define ␉IPPROTO_NONE␉␉59␉␉/* IP6 no next header */␊ |
| 169 | #define ␉IPPROTO_DSTOPTS␉60␉␉/* IP6 destination option */␊ |
| 170 | #define␉IPPROTO_AHIP␉␉61␉␉/* any host internal protocol */␊ |
| 171 | #define␉IPPROTO_CFTP␉␉62␉␉/* CFTP */␊ |
| 172 | #define␉IPPROTO_HELLO␉␉63␉␉/* "hello" routing protocol */␊ |
| 173 | #define␉IPPROTO_SATEXPAK␉64␉␉/* SATNET/Backroom EXPAK */␊ |
| 174 | #define␉IPPROTO_KRYPTOLAN␉65␉␉/* Kryptolan */␊ |
| 175 | #define␉IPPROTO_RVD␉␉66␉␉/* Remote Virtual Disk */␊ |
| 176 | #define␉IPPROTO_IPPC␉␉67␉␉/* Pluribus Packet Core */␊ |
| 177 | #define␉IPPROTO_ADFS␉␉68␉␉/* Any distributed FS */␊ |
| 178 | #define␉IPPROTO_SATMON␉␉69␉␉/* Satnet Monitoring */␊ |
| 179 | #define␉IPPROTO_VISA␉␉70␉␉/* VISA Protocol */␊ |
| 180 | #define␉IPPROTO_IPCV␉␉71␉␉/* Packet Core Utility */␊ |
| 181 | #define␉IPPROTO_CPNX␉␉72␉␉/* Comp. Prot. Net. Executive */␊ |
| 182 | #define␉IPPROTO_CPHB␉␉73␉␉/* Comp. Prot. HeartBeat */␊ |
| 183 | #define␉IPPROTO_WSN␉␉74␉␉/* Wang Span Network */␊ |
| 184 | #define␉IPPROTO_PVP␉␉75␉␉/* Packet Video Protocol */␊ |
| 185 | #define␉IPPROTO_BRSATMON␉76␉␉/* BackRoom SATNET Monitoring */␊ |
| 186 | #define␉IPPROTO_ND␉␉77␉␉/* Sun net disk proto (temp.) */␊ |
| 187 | #define␉IPPROTO_WBMON␉␉78␉␉/* WIDEBAND Monitoring */␊ |
| 188 | #define␉IPPROTO_WBEXPAK␉␉79␉␉/* WIDEBAND EXPAK */␊ |
| 189 | #define␉IPPROTO_EON␉␉80␉␉/* ISO cnlp */␊ |
| 190 | #define␉IPPROTO_VMTP␉␉81␉␉/* VMTP */␊ |
| 191 | #define␉IPPROTO_SVMTP␉␉82␉␉/* Secure VMTP */␊ |
| 192 | #define␉IPPROTO_VINES␉␉83␉␉/* Banyon VINES */␊ |
| 193 | #define␉IPPROTO_TTP␉␉84␉␉/* TTP */␊ |
| 194 | #define␉IPPROTO_IGP␉␉85␉␉/* NSFNET-IGP */␊ |
| 195 | #define␉IPPROTO_DGP␉␉86␉␉/* dissimilar gateway prot. */␊ |
| 196 | #define␉IPPROTO_TCF␉␉87␉␉/* TCF */␊ |
| 197 | #define␉IPPROTO_IGRP␉␉88␉␉/* Cisco/GXS IGRP */␊ |
| 198 | #define␉IPPROTO_OSPFIGP␉␉89␉␉/* OSPFIGP */␊ |
| 199 | #define␉IPPROTO_SRPC␉␉90␉␉/* Strite RPC protocol */␊ |
| 200 | #define␉IPPROTO_LARP␉␉91␉␉/* Locus Address Resoloution */␊ |
| 201 | #define␉IPPROTO_MTP␉␉92␉␉/* Multicast Transport */␊ |
| 202 | #define␉IPPROTO_AX25␉␉93␉␉/* AX.25 Frames */␊ |
| 203 | #define␉IPPROTO_IPEIP␉␉94␉␉/* IP encapsulated in IP */␊ |
| 204 | #define␉IPPROTO_MICP␉␉95␉␉/* Mobile Int.ing control */␊ |
| 205 | #define␉IPPROTO_SCCSP␉␉96␉␉/* Semaphore Comm. security */␊ |
| 206 | #define␉IPPROTO_ETHERIP␉␉97␉␉/* Ethernet IP encapsulation */␊ |
| 207 | #define␉IPPROTO_ENCAP␉␉98␉␉/* encapsulation header */␊ |
| 208 | #define␉IPPROTO_APES␉␉99␉␉/* any private encr. scheme */␊ |
| 209 | #define␉IPPROTO_GMTP␉␉100␉␉/* GMTP*/␊ |
| 210 | #define␉IPPROTO_IPCOMP␉108␉␉/* payload compression (IPComp) */␊ |
| 211 | /* 101-254: Partly Unassigned */␊ |
| 212 | #define␉IPPROTO_PIM␉␉103␉␉/* Protocol Independent Mcast */␊ |
| 213 | #define␉IPPROTO_PGM␉␉113␉␉/* PGM */␊ |
| 214 | /* 255: Reserved */␊ |
| 215 | /* BSD Private, local use, namespace incursion */␊ |
| 216 | #define␉IPPROTO_DIVERT␉␉254␉␉/* divert pseudo-protocol */␊ |
| 217 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 218 | #define␉IPPROTO_RAW␉␉255␉␉/* raw IP packet */␊ |
| 219 | ␊ |
| 220 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 221 | #define␉IPPROTO_MAX␉␉256␊ |
| 222 | ␊ |
| 223 | /* last return value of *_input(), meaning "all job for this pkt is done". */␊ |
| 224 | #define␉IPPROTO_DONE␉␉257␊ |
| 225 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 226 | ␊ |
| 227 | /*␊ |
| 228 | * Local port number conventions:␊ |
| 229 | *␊ |
| 230 | * When a user does a bind(2) or connect(2) with a port number of zero,␊ |
| 231 | * a non-conflicting local port address is chosen.␊ |
| 232 | * The default range is IPPORT_RESERVED through␊ |
| 233 | * IPPORT_USERRESERVED, although that is settable by sysctl.␊ |
| 234 | *␊ |
| 235 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this␊ |
| 236 | * default assignment range.␊ |
| 237 | *␊ |
| 238 | * The value IP_PORTRANGE_DEFAULT causes the default behavior.␊ |
| 239 | *␊ |
| 240 | * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers␊ |
| 241 | * into the "high" range. These are reserved for client outbound connections␊ |
| 242 | * which do not want to be filtered by any firewalls.␊ |
| 243 | *␊ |
| 244 | * The value IP_PORTRANGE_LOW changes the range to the "low" are␊ |
| 245 | * that is (by convention) restricted to privileged processes. This␊ |
| 246 | * convention is based on "vouchsafe" principles only. It is only secure␊ |
| 247 | * if you trust the remote host to restrict these ports.␊ |
| 248 | *␊ |
| 249 | * The default range of ports and the high range can be changed by␊ |
| 250 | * sysctl(3). (net.inet.ip.port{hi,low}{first,last}_auto)␊ |
| 251 | *␊ |
| 252 | * Changing those values has bad security implications if you are␊ |
| 253 | * using a a stateless firewall that is allowing packets outside of that␊ |
| 254 | * range in order to allow transparent outgoing connections.␊ |
| 255 | *␊ |
| 256 | * Such a firewall configuration will generally depend on the use of these␊ |
| 257 | * default values. If you change them, you may find your Security␊ |
| 258 | * Administrator looking for you with a heavy object.␊ |
| 259 | *␊ |
| 260 | * For a slightly more orthodox text view on this:␊ |
| 261 | *␊ |
| 262 | * ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers␊ |
| 263 | *␊ |
| 264 | * port numbers are divided into three ranges:␊ |
| 265 | *␊ |
| 266 | * 0 - 1023 Well Known Ports␊ |
| 267 | * 1024 - 49151 Registered Ports␊ |
| 268 | * 49152 - 65535 Dynamic and/or Private Ports␊ |
| 269 | *␊ |
| 270 | */␊ |
| 271 | ␊ |
| 272 | #define␉__DARWIN_IPPORT_RESERVED␉1024␊ |
| 273 | ␊ |
| 274 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 275 | /*␊ |
| 276 | * Ports < IPPORT_RESERVED are reserved for␊ |
| 277 | * privileged processes (e.g. root). (IP_PORTRANGE_LOW)␊ |
| 278 | * Ports > IPPORT_USERRESERVED are reserved␊ |
| 279 | * for servers, not necessarily privileged. (IP_PORTRANGE_DEFAULT)␊ |
| 280 | */␊ |
| 281 | #ifndef IPPORT_RESERVED␊ |
| 282 | #define␉IPPORT_RESERVED␉␉__DARWIN_IPPORT_RESERVED␊ |
| 283 | #endif␊ |
| 284 | #define␉IPPORT_USERRESERVED␉5000␊ |
| 285 | ␊ |
| 286 | /*␊ |
| 287 | * Default local port range to use by setting IP_PORTRANGE_HIGH␊ |
| 288 | */␊ |
| 289 | #define␉IPPORT_HIFIRSTAUTO␉49152␊ |
| 290 | #define␉IPPORT_HILASTAUTO␉65535␊ |
| 291 | ␊ |
| 292 | /*␊ |
| 293 | * Scanning for a free reserved port return a value below IPPORT_RESERVED,␊ |
| 294 | * but higher than IPPORT_RESERVEDSTART. Traditionally the start value was␊ |
| 295 | * 512, but that conflicts with some well-known-services that firewalls may␊ |
| 296 | * have a fit if we use.␊ |
| 297 | */␊ |
| 298 | #define IPPORT_RESERVEDSTART␉600␊ |
| 299 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 300 | ␊ |
| 301 | /*␊ |
| 302 | * Internet address (a structure for historical reasons)␊ |
| 303 | */␊ |
| 304 | struct in_addr {␊ |
| 305 | ␉in_addr_t s_addr;␊ |
| 306 | };␊ |
| 307 | ␊ |
| 308 | /*␊ |
| 309 | * Definitions of bits in internet address integers.␊ |
| 310 | * On subnets, the decomposition of addresses to host and net parts␊ |
| 311 | * is done according to subnet mask, not the masks here.␊ |
| 312 | */␊ |
| 313 | #define␉INADDR_ANY␉␉(u_int32_t)0x00000000␊ |
| 314 | #define␉INADDR_BROADCAST␉(u_int32_t)0xffffffff␉/* must be masked */␊ |
| 315 | ␊ |
| 316 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 317 | #define␉IN_CLASSA(i)␉␉(((u_int32_t)(i) & 0x80000000) == 0)␊ |
| 318 | #define␉IN_CLASSA_NET␉␉0xff000000␊ |
| 319 | #define␉IN_CLASSA_NSHIFT␉24␊ |
| 320 | #define␉IN_CLASSA_HOST␉␉0x00ffffff␊ |
| 321 | #define␉IN_CLASSA_MAX␉␉128␊ |
| 322 | ␊ |
| 323 | #define␉IN_CLASSB(i)␉␉(((u_int32_t)(i) & 0xc0000000) == 0x80000000)␊ |
| 324 | #define␉IN_CLASSB_NET␉␉0xffff0000␊ |
| 325 | #define␉IN_CLASSB_NSHIFT␉16␊ |
| 326 | #define␉IN_CLASSB_HOST␉␉0x0000ffff␊ |
| 327 | #define␉IN_CLASSB_MAX␉␉65536␊ |
| 328 | ␊ |
| 329 | #define␉IN_CLASSC(i)␉␉(((u_int32_t)(i) & 0xe0000000) == 0xc0000000)␊ |
| 330 | #define␉IN_CLASSC_NET␉␉0xffffff00␊ |
| 331 | #define␉IN_CLASSC_NSHIFT␉8␊ |
| 332 | #define␉IN_CLASSC_HOST␉␉0x000000ff␊ |
| 333 | ␊ |
| 334 | #define␉IN_CLASSD(i)␉␉(((u_int32_t)(i) & 0xf0000000) == 0xe0000000)␊ |
| 335 | #define␉IN_CLASSD_NET␉␉0xf0000000␉/* These ones aren't really */␊ |
| 336 | #define␉IN_CLASSD_NSHIFT␉28␉␉/* net and host fields, but */␊ |
| 337 | #define␉IN_CLASSD_HOST␉␉0x0fffffff␉/* routing needn't know. */␊ |
| 338 | #define␉IN_MULTICAST(i)␉␉IN_CLASSD(i)␊ |
| 339 | ␊ |
| 340 | #define␉IN_EXPERIMENTAL(i)␉(((u_int32_t)(i) & 0xf0000000) == 0xf0000000)␊ |
| 341 | #define␉IN_BADCLASS(i)␉␉(((u_int32_t)(i) & 0xf0000000) == 0xf0000000)␊ |
| 342 | ␊ |
| 343 | #define␉INADDR_LOOPBACK␉␉(u_int32_t)0x7f000001␊ |
| 344 | #define␉INADDR_NONE␉␉0xffffffff␉␉/* -1 return */␊ |
| 345 | ␊ |
| 346 | #define␉INADDR_UNSPEC_GROUP␉(u_int32_t)0xe0000000␉/* 224.0.0.0 */␊ |
| 347 | #define␉INADDR_ALLHOSTS_GROUP␉(u_int32_t)0xe0000001␉/* 224.0.0.1 */␊ |
| 348 | #define␉INADDR_ALLRTRS_GROUP␉(u_int32_t)0xe0000002␉/* 224.0.0.2 */␊ |
| 349 | #define␉INADDR_MAX_LOCAL_GROUP␉(u_int32_t)0xe00000ff␉/* 224.0.0.255 */␊ |
| 350 | ␊ |
| 351 | #ifdef __APPLE__␊ |
| 352 | #define IN_LINKLOCALNETNUM␉(u_int32_t)0xA9FE0000 /* 169.254.0.0 */␊ |
| 353 | #define IN_LINKLOCAL(i)␉␉(((u_int32_t)(i) & IN_CLASSB_NET) == IN_LINKLOCALNETNUM)␊ |
| 354 | #endif␊ |
| 355 | ␊ |
| 356 | #define␉IN_LOOPBACKNET␉␉127␉␉␉/* official! */␊ |
| 357 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 358 | ␊ |
| 359 | /*␊ |
| 360 | * Socket address, internet style.␊ |
| 361 | */␊ |
| 362 | struct sockaddr_in {␊ |
| 363 | ␉__uint8_t␉sin_len;␊ |
| 364 | ␉sa_family_t␉sin_family;␊ |
| 365 | ␉in_port_t␉sin_port;␊ |
| 366 | ␉struct␉in_addr sin_addr;␊ |
| 367 | ␉char␉␉sin_zero[8];␊ |
| 368 | };␊ |
| 369 | ␊ |
| 370 | #define INET_ADDRSTRLEN 16␊ |
| 371 | ␊ |
| 372 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 373 | /*␊ |
| 374 | * Structure used to describe IP options.␊ |
| 375 | * Used to store options internally, to pass them to a process,␊ |
| 376 | * or to restore options retrieved earlier.␊ |
| 377 | * The ip_dst is used for the first-hop gateway when using a source route␊ |
| 378 | * (this gets put into the header proper).␊ |
| 379 | */␊ |
| 380 | struct ip_opts {␊ |
| 381 | ␉struct␉in_addr ip_dst;␉␉/* first hop, 0 w/o src rt */␊ |
| 382 | ␉char␉ip_opts[40];␉␉/* actually variable in size */␊ |
| 383 | };␊ |
| 384 | ␊ |
| 385 | /*␊ |
| 386 | * Options for use with [gs]etsockopt at the IP level.␊ |
| 387 | * First word of comment is data type; bool is stored in int.␊ |
| 388 | */␊ |
| 389 | #define␉IP_OPTIONS␉␉1 /* buf/ip_opts; set/get IP options */␊ |
| 390 | #define␉IP_HDRINCL␉␉2 /* int; header is included with data */␊ |
| 391 | #define␉IP_TOS␉␉␉3 /* int; IP type of service and preced. */␊ |
| 392 | #define␉IP_TTL␉␉␉4 /* int; IP time to live */␊ |
| 393 | #define␉IP_RECVOPTS␉␉5 /* bool; receive all IP opts w/dgram */␊ |
| 394 | #define␉IP_RECVRETOPTS␉␉6 /* bool; receive IP opts for response */␊ |
| 395 | #define␉IP_RECVDSTADDR␉␉7 /* bool; receive IP dst addr w/dgram */␊ |
| 396 | #define␉IP_RETOPTS␉␉8 /* ip_opts; set/get IP options */␊ |
| 397 | #define␉IP_MULTICAST_IF␉␉9 /* u_char; set/get IP multicast i/f */␊ |
| 398 | #define␉IP_MULTICAST_TTL␉10 /* u_char; set/get IP multicast ttl */␊ |
| 399 | #define␉IP_MULTICAST_LOOP␉11 /* u_char; set/get IP multicast loopback */␊ |
| 400 | #define␉IP_ADD_MEMBERSHIP␉12 /* ip_mreq; add an IP group membership */␊ |
| 401 | #define␉IP_DROP_MEMBERSHIP␉13 /* ip_mreq; drop an IP group membership */␊ |
| 402 | #define IP_MULTICAST_VIF␉14 /* set/get IP mcast virt. iface */␊ |
| 403 | #define IP_RSVP_ON␉␉15 /* enable RSVP in kernel */␊ |
| 404 | #define IP_RSVP_OFF␉␉16 /* disable RSVP in kernel */␊ |
| 405 | #define IP_RSVP_VIF_ON␉␉17 /* set RSVP per-vif socket */␊ |
| 406 | #define IP_RSVP_VIF_OFF␉␉18 /* unset RSVP per-vif socket */␊ |
| 407 | #define IP_PORTRANGE␉␉19 /* int; range to choose for unspec port */␊ |
| 408 | #define␉IP_RECVIF␉␉20 /* bool; receive reception if w/dgram */␊ |
| 409 | /* for IPSEC */␊ |
| 410 | #define␉IP_IPSEC_POLICY␉␉21 /* int; set/get security policy */␊ |
| 411 | #define␉IP_FAITH␉␉22 /* bool; accept FAITH'ed connections */␊ |
| 412 | #ifdef __APPLE__␊ |
| 413 | #define IP_STRIPHDR ␉23 /* bool: drop receive of raw IP header */␊ |
| 414 | #endif␊ |
| 415 | #define IP_RECVTTL␉␉24 /* bool; receive reception TTL w/dgram */␊ |
| 416 | #define␉IP_BOUND_IF␉␉25 /* set/get bound interface */␊ |
| 417 | ␊ |
| 418 | ␊ |
| 419 | #define␉IP_FW_ADD ␉␉40 /* add a firewall rule to chain */␊ |
| 420 | #define␉IP_FW_DEL ␉␉41 /* delete a firewall rule from chain */␊ |
| 421 | #define␉IP_FW_FLUSH ␉␉42 /* flush firewall rule chain */␊ |
| 422 | #define␉IP_FW_ZERO ␉␉43 /* clear single/all firewall counter(s) */␊ |
| 423 | #define␉IP_FW_GET ␉␉44 /* get entire firewall rule chain */␊ |
| 424 | #define␉IP_FW_RESETLOG␉␉45 /* reset logging counters */␊ |
| 425 | ␊ |
| 426 | /* These older firewall socket option codes are maintained for backward compatibility. */␊ |
| 427 | #define␉IP_OLD_FW_ADD ␉50 /* add a firewall rule to chain */␊ |
| 428 | #define␉IP_OLD_FW_DEL ␉51 /* delete a firewall rule from chain */␊ |
| 429 | #define␉IP_OLD_FW_FLUSH ␉52 /* flush firewall rule chain */␊ |
| 430 | #define␉IP_OLD_FW_ZERO ␉53 /* clear single/all firewall counter(s) */␊ |
| 431 | #define␉IP_OLD_FW_GET ␉54 /* get entire firewall rule chain */␊ |
| 432 | #define IP_NAT__XXX␉␉␉55 /* set/get NAT opts XXX Deprecated, do not use */␊ |
| 433 | #define␉IP_OLD_FW_RESETLOG␉56 /* reset logging counters */␊ |
| 434 | ␊ |
| 435 | #define␉IP_DUMMYNET_CONFIGURE␉60 /* add/configure a dummynet pipe */␊ |
| 436 | #define␉IP_DUMMYNET_DEL␉␉61 /* delete a dummynet pipe from chain */␊ |
| 437 | #define␉IP_DUMMYNET_FLUSH␉62 /* flush dummynet */␊ |
| 438 | #define␉IP_DUMMYNET_GET␉␉64 /* get entire dummynet pipes */␊ |
| 439 | ␊ |
| 440 | #define␉IP_TRAFFIC_MGT_BACKGROUND␉65 /* int*; get background IO flags; set background IO */␊ |
| 441 | ␊ |
| 442 | ␊ |
| 443 | /* Background socket configuration flags */␊ |
| 444 | #ifdef __APPLE_API_UNSTABLE␊ |
| 445 | #define TRAFFIC_MGT_SO_BACKGROUND␉0x0001␉/* background socket */␊ |
| 446 | #define TRAFFIC_MGT_SO_BG_SUPPRESSED␉0x0002␉/* currently throttled */␊ |
| 447 | #define TRAFFIC_MGT_SO_BG_REGULATE␉0x0004␉/* traffic is regulated */␊ |
| 448 | #endif /* __APPLE_API_UNSTABLE */␊ |
| 449 | ␊ |
| 450 | /*␊ |
| 451 | * Defaults and limits for options␊ |
| 452 | */␊ |
| 453 | #define␉IP_DEFAULT_MULTICAST_TTL 1␉/* normally limit m'casts to 1 hop */␊ |
| 454 | #define␉IP_DEFAULT_MULTICAST_LOOP 1␉/* normally hear sends if a member */␊ |
| 455 | #define␉IP_MAX_MEMBERSHIPS␉20␉/* per socket */␊ |
| 456 | ␊ |
| 457 | /*␊ |
| 458 | * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.␊ |
| 459 | */␊ |
| 460 | struct ip_mreq {␊ |
| 461 | ␉struct␉in_addr imr_multiaddr;␉/* IP multicast address of group */␊ |
| 462 | ␉struct␉in_addr imr_interface;␉/* local IP address of interface */␊ |
| 463 | };␊ |
| 464 | ␊ |
| 465 | /*␊ |
| 466 | * Argument for IP_PORTRANGE:␊ |
| 467 | * - which range to search when port is unspecified at bind() or connect()␊ |
| 468 | */␊ |
| 469 | #define␉IP_PORTRANGE_DEFAULT␉0␉/* default range */␊ |
| 470 | #define␉IP_PORTRANGE_HIGH␉1␉/* "high" - request firewall bypass */␊ |
| 471 | #define␉IP_PORTRANGE_LOW␉2␉/* "low" - vouchsafe security */␊ |
| 472 | ␊ |
| 473 | ␊ |
| 474 | /*␊ |
| 475 | * Definitions for inet sysctl operations.␊ |
| 476 | *␊ |
| 477 | * Third level is protocol number.␊ |
| 478 | * Fourth level is desired variable within that protocol.␊ |
| 479 | */␊ |
| 480 | #define␉IPPROTO_MAXID␉(IPPROTO_AH + 1)␉/* don't list to IPPROTO_MAX */␊ |
| 481 | ␊ |
| 482 | ␊ |
| 483 | /*␊ |
| 484 | * Names for IP sysctl objects␊ |
| 485 | */␊ |
| 486 | #define␉IPCTL_FORWARDING␉1␉/* act as router */␊ |
| 487 | #define␉IPCTL_SENDREDIRECTS␉2␉/* may send redirects when forwarding */␊ |
| 488 | #define␉IPCTL_DEFTTL␉␉3␉/* default TTL */␊ |
| 489 | #ifdef notyet␊ |
| 490 | #define␉IPCTL_DEFMTU␉␉4␉/* default MTU */␊ |
| 491 | #endif␊ |
| 492 | #define IPCTL_RTEXPIRE␉␉5␉/* cloned route expiration time */␊ |
| 493 | #define IPCTL_RTMINEXPIRE␉6␉/* min value for expiration time */␊ |
| 494 | #define IPCTL_RTMAXCACHE␉7␉/* trigger level for dynamic expire */␊ |
| 495 | #define␉IPCTL_SOURCEROUTE␉8␉/* may perform source routes */␊ |
| 496 | #define␉IPCTL_DIRECTEDBROADCAST␉9␉/* may re-broadcast received packets */␊ |
| 497 | #define IPCTL_INTRQMAXLEN␉10␉/* max length of netisr queue */␊ |
| 498 | #define␉IPCTL_INTRQDROPS␉11␉/* number of netisr q drops */␊ |
| 499 | #define␉IPCTL_STATS␉␉12␉/* ipstat structure */␊ |
| 500 | #define␉IPCTL_ACCEPTSOURCEROUTE␉13␉/* may accept source routed packets */␊ |
| 501 | #define␉IPCTL_FASTFORWARDING␉14␉/* use fast IP forwarding code */␊ |
| 502 | #define␉IPCTL_KEEPFAITH␉␉15␉/* FAITH IPv4->IPv6 translater ctl */␊ |
| 503 | #define␉IPCTL_GIF_TTL␉␉16␉/* default TTL for gif encap packet */␊ |
| 504 | #define␉IPCTL_MAXID␉␉17␊ |
| 505 | ␊ |
| 506 | ␊ |
| 507 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 508 | ␊ |
| 509 | ␊ |
| 510 | /* INET6 stuff */␊ |
| 511 | #define __KAME_NETINET_IN_H_INCLUDED_␊ |
| 512 | #include <netinet6/in6.h>␊ |
| 513 | #undef __KAME_NETINET_IN_H_INCLUDED_␊ |
| 514 | ␊ |
| 515 | ␊ |
| 516 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 517 | __BEGIN_DECLS␊ |
| 518 | int bindresvport(int, struct sockaddr_in *);␊ |
| 519 | struct sockaddr;␊ |
| 520 | int bindresvport_sa(int, struct sockaddr *);␊ |
| 521 | __END_DECLS␊ |
| 522 | #endif␊ |
| 523 | ␊ |
| 524 | #endif /* _NETINET_IN_H_ */␊ |
| 525 | |
