| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2007 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 | /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */␊ |
| 29 | /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */␊ |
| 30 | /*␊ |
| 31 | * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994␊ |
| 32 | *␉The Regents of the University of California. All rights reserved.␊ |
| 33 | *␊ |
| 34 | * Redistribution and use in source and binary forms, with or without␊ |
| 35 | * modification, are permitted provided that the following conditions␊ |
| 36 | * are met:␊ |
| 37 | * 1. Redistributions of source code must retain the above copyright␊ |
| 38 | * notice, this list of conditions and the following disclaimer.␊ |
| 39 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 40 | * notice, this list of conditions and the following disclaimer in the␊ |
| 41 | * documentation and/or other materials provided with the distribution.␊ |
| 42 | * 3. All advertising materials mentioning features or use of this software␊ |
| 43 | * must display the following acknowledgement:␊ |
| 44 | *␉This product includes software developed by the University of␊ |
| 45 | *␉California, Berkeley and its contributors.␊ |
| 46 | * 4. Neither the name of the University nor the names of its contributors␊ |
| 47 | * may be used to endorse or promote products derived from this software␊ |
| 48 | * without specific prior written permission.␊ |
| 49 | *␊ |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊ |
| 51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊ |
| 52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
| 53 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊ |
| 54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
| 55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊ |
| 56 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊ |
| 57 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊ |
| 58 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊ |
| 59 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊ |
| 60 | * SUCH DAMAGE.␊ |
| 61 | *␊ |
| 62 | *␉@(#)socket.h␉8.4 (Berkeley) 2/21/94␊ |
| 63 | * $FreeBSD: src/sys/sys/socket.h,v 1.39.2.7 2001/07/03 11:02:01 ume Exp $␊ |
| 64 | */␊ |
| 65 | /*␊ |
| 66 | * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce␊ |
| 67 | * support for mandatory and extensible security protections. This notice␊ |
| 68 | * is included in support of clause 2.2 (b) of the Apple Public License,␊ |
| 69 | * Version 2.0.␊ |
| 70 | */␊ |
| 71 | ␊ |
| 72 | #ifndef _SYS_SOCKET_H_␊ |
| 73 | #define␉_SYS_SOCKET_H_␊ |
| 74 | ␊ |
| 75 | #include <sys/types.h>␊ |
| 76 | #include <sys/cdefs.h>␊ |
| 77 | #include <machine/_param.h>␊ |
| 78 | ␊ |
| 79 | /*␊ |
| 80 | * Definitions related to sockets: types, address families, options.␊ |
| 81 | */␊ |
| 82 | ␊ |
| 83 | /*␊ |
| 84 | * Data types.␊ |
| 85 | */␊ |
| 86 | #ifndef _GID_T␊ |
| 87 | typedef __darwin_gid_t␉␉gid_t;␊ |
| 88 | #define _GID_T␊ |
| 89 | #endif␊ |
| 90 | ␊ |
| 91 | #ifndef _OFF_T␊ |
| 92 | typedef __darwin_off_t␉␉off_t;␊ |
| 93 | #define _OFF_T␊ |
| 94 | #endif␊ |
| 95 | ␊ |
| 96 | #ifndef _PID_T␊ |
| 97 | typedef __darwin_pid_t␉␉pid_t;␊ |
| 98 | #define _PID_T␊ |
| 99 | #endif␊ |
| 100 | ␊ |
| 101 | #ifndef _SA_FAMILY_T␊ |
| 102 | #define _SA_FAMILY_T␊ |
| 103 | typedef __uint8_t␉␉sa_family_t;␊ |
| 104 | #endif␊ |
| 105 | ␊ |
| 106 | #ifndef _SOCKLEN_T␊ |
| 107 | #define _SOCKLEN_T␊ |
| 108 | typedef␉__darwin_socklen_t␉socklen_t;␊ |
| 109 | #endif␊ |
| 110 | ␊ |
| 111 | /* XXX Not explicitly defined by POSIX, but function return types are */␊ |
| 112 | #ifndef _SIZE_T␊ |
| 113 | #define _SIZE_T␊ |
| 114 | typedef __darwin_size_t␉␉size_t;␊ |
| 115 | #endif␊ |
| 116 | ␊ |
| 117 | /* XXX Not explicitly defined by POSIX, but function return types are */␊ |
| 118 | #ifndef␉_SSIZE_T␊ |
| 119 | #define␉_SSIZE_T␊ |
| 120 | typedef␉__darwin_ssize_t␉ssize_t;␊ |
| 121 | #endif␊ |
| 122 | ␊ |
| 123 | /*␊ |
| 124 | * [XSI] The iovec structure shall be defined as described in <sys/uio.h>.␊ |
| 125 | */␊ |
| 126 | #ifndef _STRUCT_IOVEC␊ |
| 127 | #define␉_STRUCT_IOVEC␊ |
| 128 | struct iovec {␊ |
| 129 | ␉void * iov_base;␉/* [XSI] Base address of I/O memory region */␊ |
| 130 | ␉size_t␉ iov_len;␉/* [XSI] Size of region iov_base points to */␊ |
| 131 | };␊ |
| 132 | #endif␊ |
| 133 | ␊ |
| 134 | /*␊ |
| 135 | * Types␊ |
| 136 | */␊ |
| 137 | #define␉SOCK_STREAM␉1␉␉/* stream socket */␊ |
| 138 | #define␉SOCK_DGRAM␉2␉␉/* datagram socket */␊ |
| 139 | #define␉SOCK_RAW␉3␉␉/* raw-protocol interface */␊ |
| 140 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 141 | #define␉SOCK_RDM␉4␉␉/* reliably-delivered message */␊ |
| 142 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 143 | #define␉SOCK_SEQPACKET␉5␉␉/* sequenced packet stream */␊ |
| 144 | ␊ |
| 145 | /*␊ |
| 146 | * Option flags per-socket.␊ |
| 147 | */␊ |
| 148 | #define␉SO_DEBUG␉0x0001␉␉/* turn on debugging info recording */␊ |
| 149 | #define␉SO_ACCEPTCONN␉0x0002␉␉/* socket has had listen() */␊ |
| 150 | #define␉SO_REUSEADDR␉0x0004␉␉/* allow local address reuse */␊ |
| 151 | #define␉SO_KEEPALIVE␉0x0008␉␉/* keep connections alive */␊ |
| 152 | #define␉SO_DONTROUTE␉0x0010␉␉/* just use interface addresses */␊ |
| 153 | #define␉SO_BROADCAST␉0x0020␉␉/* permit sending of broadcast msgs */␊ |
| 154 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 155 | #define␉SO_USELOOPBACK␉0x0040␉␉/* bypass hardware when possible */␊ |
| 156 | #define SO_LINGER␉0x0080 /* linger on close if data present (in ticks) */␊ |
| 157 | #else␊ |
| 158 | #define SO_LINGER␉0x1080 /* linger on close if data present (in seconds) */␊ |
| 159 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 160 | #define␉SO_OOBINLINE␉0x0100␉␉/* leave received OOB data in line */␊ |
| 161 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 162 | #define␉SO_REUSEPORT␉0x0200␉␉/* allow local address & port reuse */␊ |
| 163 | #define␉SO_TIMESTAMP␉0x0400␉␉/* timestamp received dgram traffic */␊ |
| 164 | #ifndef __APPLE__␊ |
| 165 | #define␉SO_ACCEPTFILTER␉0x1000␉␉/* there is an accept filter */␊ |
| 166 | #else␊ |
| 167 | #define SO_DONTTRUNC␉0x2000␉␉/* APPLE: Retain unread data */␊ |
| 168 | ␉␉␉␉␉/* (ATOMIC proto) */␊ |
| 169 | #define SO_WANTMORE␉␉0x4000␉␉/* APPLE: Give hint when more data ready */␊ |
| 170 | #define SO_WANTOOBFLAG␉0x8000␉␉/* APPLE: Want OOB in MSG_FLAG on receive */␊ |
| 171 | #endif␊ |
| 172 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 173 | ␊ |
| 174 | /*␊ |
| 175 | * Additional options, not kept in so_options.␊ |
| 176 | */␊ |
| 177 | #define SO_SNDBUF␉0x1001␉␉/* send buffer size */␊ |
| 178 | #define SO_RCVBUF␉0x1002␉␉/* receive buffer size */␊ |
| 179 | #define SO_SNDLOWAT␉0x1003␉␉/* send low-water mark */␊ |
| 180 | #define SO_RCVLOWAT␉0x1004␉␉/* receive low-water mark */␊ |
| 181 | #define SO_SNDTIMEO␉0x1005␉␉/* send timeout */␊ |
| 182 | #define SO_RCVTIMEO␉0x1006␉␉/* receive timeout */␊ |
| 183 | #define␉SO_ERROR␉0x1007␉␉/* get error status and clear */␊ |
| 184 | #define␉SO_TYPE␉␉0x1008␉␉/* get socket type */␊ |
| 185 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 186 | /*efine␉SO_PRIVSTATE␉0x1009␉␉ get/deny privileged state */␊ |
| 187 | #ifdef __APPLE__␊ |
| 188 | #define SO_NREAD␉0x1020␉␉/* APPLE: get 1st-packet byte count */␊ |
| 189 | #define SO_NKE␉␉0x1021␉␉/* APPLE: Install socket-level NKE */␊ |
| 190 | #define SO_NOSIGPIPE␉0x1022␉␉/* APPLE: No SIGPIPE on EPIPE */␊ |
| 191 | #define SO_NOADDRERR␉0x1023␉␉/* APPLE: Returns EADDRNOTAVAIL when src is not available anymore */␊ |
| 192 | #define SO_NWRITE␉0x1024␉␉/* APPLE: Get number of bytes currently in send socket buffer */␊ |
| 193 | #define SO_REUSESHAREUID␉0x1025␉␉/* APPLE: Allow reuse of port/socket by different userids */␊ |
| 194 | #ifdef __APPLE_API_PRIVATE␊ |
| 195 | #define SO_NOTIFYCONFLICT␉0x1026␉/* APPLE: send notification if there is a bind on a port which is already in use */␊ |
| 196 | #define␉SO_UPCALLCLOSEWAIT␉0x1027␉/* APPLE: block on close until an upcall returns */␊ |
| 197 | #endif␊ |
| 198 | #define SO_LINGER_SEC␉0x1080 /* linger on close if data present (in seconds) */␊ |
| 199 | #define SO_RESTRICTIONS␉0x1081␉/* APPLE: deny inbound/outbound/both/flag set */␊ |
| 200 | #define SO_RESTRICT_DENYIN␉␉0x00000001␉/* flag for SO_RESTRICTIONS - deny inbound */␊ |
| 201 | #define SO_RESTRICT_DENYOUT␉␉0x00000002␉/* flag for SO_RESTRICTIONS - deny outbound */␊ |
| 202 | #define SO_RESTRICT_DENYSET␉␉0x80000000␉/* flag for SO_RESTRICTIONS - deny has been set */␊ |
| 203 | #define SO_RANDOMPORT 0x1082 /* APPLE: request local port randomization */␊ |
| 204 | #define SO_NP_EXTENSIONS␉0x1083␉/* To turn off some POSIX behavior */␊ |
| 205 | #endif␊ |
| 206 | #define␉SO_LABEL␉0x1010␉␉/* socket's MAC label */␊ |
| 207 | #define␉SO_PEERLABEL␉0x1011␉␉/* socket's peer MAC label */␊ |
| 208 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 209 | ␊ |
| 210 | /*␊ |
| 211 | * Structure used for manipulating linger option.␊ |
| 212 | */␊ |
| 213 | struct␉linger {␊ |
| 214 | ␉int␉l_onoff;␉␉/* option on/off */␊ |
| 215 | ␉int␉l_linger;␉␉/* linger time */␊ |
| 216 | };␊ |
| 217 | ␊ |
| 218 | #ifndef __APPLE__␊ |
| 219 | struct␉accept_filter_arg {␊ |
| 220 | ␉char␉af_name[16];␊ |
| 221 | ␉char␉af_arg[256-16];␊ |
| 222 | };␊ |
| 223 | #endif␊ |
| 224 | ␊ |
| 225 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 226 | #ifdef __APPLE__␊ |
| 227 | ␊ |
| 228 | /*␊ |
| 229 | * Structure to control non-portable Sockets extension to POSIX ␊ |
| 230 | */␊ |
| 231 | struct so_np_extensions {␊ |
| 232 | ␉u_int32_t␉npx_flags;␊ |
| 233 | ␉u_int32_t␉npx_mask;␊ |
| 234 | };␊ |
| 235 | ␊ |
| 236 | #define SONPX_SETOPTSHUT␉0x000000001 /* flag for allowing setsockopt after shutdown */␊ |
| 237 | ␊ |
| 238 | ␊ |
| 239 | ␊ |
| 240 | #endif␊ |
| 241 | #endif␊ |
| 242 | ␊ |
| 243 | /*␊ |
| 244 | * Level number for (get/set)sockopt() to apply to socket itself.␊ |
| 245 | */␊ |
| 246 | #define␉SOL_SOCKET␉0xffff␉␉/* options for socket level */␊ |
| 247 | ␊ |
| 248 | ␊ |
| 249 | /*␊ |
| 250 | * Address families.␊ |
| 251 | */␊ |
| 252 | #define␉AF_UNSPEC␉0␉␉/* unspecified */␊ |
| 253 | #define␉AF_UNIX␉␉1␉␉/* local to host (pipes) */␊ |
| 254 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 255 | #define␉AF_LOCAL␉AF_UNIX␉␉/* backward compatibility */␊ |
| 256 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 257 | #define␉AF_INET␉␉2␉␉/* internetwork: UDP, TCP, etc. */␊ |
| 258 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 259 | #define␉AF_IMPLINK␉3␉␉/* arpanet imp addresses */␊ |
| 260 | #define␉AF_PUP␉␉4␉␉/* pup protocols: e.g. BSP */␊ |
| 261 | #define␉AF_CHAOS␉5␉␉/* mit CHAOS protocols */␊ |
| 262 | #define␉AF_NS␉␉6␉␉/* XEROX NS protocols */␊ |
| 263 | #define␉AF_ISO␉␉7␉␉/* ISO protocols */␊ |
| 264 | #define␉AF_OSI␉␉AF_ISO␊ |
| 265 | #define␉AF_ECMA␉␉8␉␉/* European computer manufacturers */␊ |
| 266 | #define␉AF_DATAKIT␉9␉␉/* datakit protocols */␊ |
| 267 | #define␉AF_CCITT␉10␉␉/* CCITT protocols, X.25 etc */␊ |
| 268 | #define␉AF_SNA␉␉11␉␉/* IBM SNA */␊ |
| 269 | #define AF_DECnet␉12␉␉/* DECnet */␊ |
| 270 | #define AF_DLI␉␉13␉␉/* DEC Direct data link interface */␊ |
| 271 | #define AF_LAT␉␉14␉␉/* LAT */␊ |
| 272 | #define␉AF_HYLINK␉15␉␉/* NSC Hyperchannel */␊ |
| 273 | #define␉AF_APPLETALK␉16␉␉/* Apple Talk */␊ |
| 274 | #define␉AF_ROUTE␉17␉␉/* Internal Routing Protocol */␊ |
| 275 | #define␉AF_LINK␉␉18␉␉/* Link layer interface */␊ |
| 276 | #define␉pseudo_AF_XTP␉19␉␉/* eXpress Transfer Protocol (no AF) */␊ |
| 277 | #define␉AF_COIP␉␉20␉␉/* connection-oriented IP, aka ST II */␊ |
| 278 | #define␉AF_CNT␉␉21␉␉/* Computer Network Technology */␊ |
| 279 | #define pseudo_AF_RTIP␉22␉␉/* Help Identify RTIP packets */␊ |
| 280 | #define␉AF_IPX␉␉23␉␉/* Novell Internet Protocol */␊ |
| 281 | #define␉AF_SIP␉␉24␉␉/* Simple Internet Protocol */␊ |
| 282 | #define pseudo_AF_PIP␉25␉␉/* Help Identify PIP packets */␊ |
| 283 | #ifdef __APPLE__␊ |
| 284 | /*define pseudo_AF_BLUE␉26␉ Identify packets for Blue Box - Not used */␊ |
| 285 | #define AF_NDRV␉␉27␉␉/* Network Driver 'raw' access */␊ |
| 286 | #endif␊ |
| 287 | #define␉AF_ISDN␉␉28␉␉/* Integrated Services Digital Network*/␊ |
| 288 | #define␉AF_E164␉␉AF_ISDN␉␉/* CCITT E.164 recommendation */␊ |
| 289 | #define␉pseudo_AF_KEY␉29␉␉/* Internal key-management function */␊ |
| 290 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 291 | #define␉AF_INET6␉30␉␉/* IPv6 */␊ |
| 292 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 293 | #define␉AF_NATM␉␉31␉␉/* native ATM access */␊ |
| 294 | #ifdef __APPLE__␊ |
| 295 | #define AF_SYSTEM␉32␉␉/* Kernel event messages */␊ |
| 296 | #define AF_NETBIOS␉33␉␉/* NetBIOS */␊ |
| 297 | #define AF_PPP␉␉34␉␉/* PPP communication protocol */␊ |
| 298 | #else␊ |
| 299 | #define␉AF_ATM␉␉30␉␉/* ATM */␊ |
| 300 | #endif␊ |
| 301 | #define pseudo_AF_HDRCMPLT 35␉␉/* Used by BPF to not rewrite headers␊ |
| 302 | ␉␉␉␉␉ * in interface output routine␊ |
| 303 | ␉␉␉␉␉ */␊ |
| 304 | #define AF_RESERVED_36␉36␉␉/* Reserved for internal usage */␊ |
| 305 | ␊ |
| 306 | #ifndef __APPLE__␊ |
| 307 | #define␉AF_NETGRAPH␉32␉␉/* Netgraph sockets */␊ |
| 308 | #endif␊ |
| 309 | #define AF_IEEE80211 37 /* IEEE 802.11 protocol */␊ |
| 310 | #define␉AF_MAX␉␉38␊ |
| 311 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 312 | ␊ |
| 313 | /*␊ |
| 314 | * [XSI] Structure used by kernel to store most addresses.␊ |
| 315 | */␊ |
| 316 | struct sockaddr {␊ |
| 317 | ␉__uint8_t␉sa_len;␉␉/* total length */␊ |
| 318 | ␉sa_family_t␉sa_family;␉/* [XSI] address family */␊ |
| 319 | ␉char␉␉sa_data[14];␉/* [XSI] addr value (actually larger) */␊ |
| 320 | };␊ |
| 321 | ␊ |
| 322 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 323 | #define␉SOCK_MAXADDRLEN␉255␉␉/* longest possible addresses */␊ |
| 324 | ␊ |
| 325 | /*␊ |
| 326 | * Structure used by kernel to pass protocol␊ |
| 327 | * information in raw sockets.␊ |
| 328 | */␊ |
| 329 | struct sockproto {␊ |
| 330 | ␉__uint16_t␉sp_family;␉␉/* address family */␊ |
| 331 | ␉__uint16_t␉sp_protocol;␉␉/* protocol */␊ |
| 332 | };␊ |
| 333 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE)*/␊ |
| 334 | ␊ |
| 335 | /*␊ |
| 336 | * RFC 2553: protocol-independent placeholder for socket addresses␊ |
| 337 | */␊ |
| 338 | #define␉_SS_MAXSIZE␉128␊ |
| 339 | #define␉_SS_ALIGNSIZE␉(sizeof(__int64_t))␊ |
| 340 | #define␉_SS_PAD1SIZE␉\␊ |
| 341 | ␉␉(_SS_ALIGNSIZE - sizeof(__uint8_t) - sizeof(sa_family_t))␊ |
| 342 | #define␉_SS_PAD2SIZE␉\␊ |
| 343 | ␉␉(_SS_MAXSIZE - sizeof(__uint8_t) - sizeof(sa_family_t) - \␊ |
| 344 | ␉␉␉␉_SS_PAD1SIZE - _SS_ALIGNSIZE)␊ |
| 345 | ␊ |
| 346 | /*␊ |
| 347 | * [XSI] sockaddr_storage␊ |
| 348 | */␊ |
| 349 | struct sockaddr_storage {␊ |
| 350 | ␉__uint8_t␉ss_len;␉␉/* address length */␊ |
| 351 | ␉sa_family_t␉ss_family;␉/* [XSI] address family */␊ |
| 352 | ␉char␉␉␉__ss_pad1[_SS_PAD1SIZE];␊ |
| 353 | ␉__int64_t␉__ss_align;␉/* force structure storage alignment */␊ |
| 354 | ␉char␉␉␉__ss_pad2[_SS_PAD2SIZE];␊ |
| 355 | };␊ |
| 356 | ␊ |
| 357 | /*␊ |
| 358 | * Protocol families, same as address families for now.␊ |
| 359 | */␊ |
| 360 | #define␉PF_UNSPEC␉AF_UNSPEC␊ |
| 361 | #define␉PF_LOCAL␉AF_LOCAL␊ |
| 362 | #define␉PF_UNIX␉␉PF_LOCAL␉/* backward compatibility */␊ |
| 363 | #define␉PF_INET␉␉AF_INET␊ |
| 364 | #define␉PF_IMPLINK␉AF_IMPLINK␊ |
| 365 | #define␉PF_PUP␉␉AF_PUP␊ |
| 366 | #define␉PF_CHAOS␉AF_CHAOS␊ |
| 367 | #define␉PF_NS␉␉AF_NS␊ |
| 368 | #define␉PF_ISO␉␉AF_ISO␊ |
| 369 | #define␉PF_OSI␉␉AF_ISO␊ |
| 370 | #define␉PF_ECMA␉␉AF_ECMA␊ |
| 371 | #define␉PF_DATAKIT␉AF_DATAKIT␊ |
| 372 | #define␉PF_CCITT␉AF_CCITT␊ |
| 373 | #define␉PF_SNA␉␉AF_SNA␊ |
| 374 | #define PF_DECnet␉AF_DECnet␊ |
| 375 | #define PF_DLI␉␉AF_DLI␊ |
| 376 | #define PF_LAT␉␉AF_LAT␊ |
| 377 | #define␉PF_HYLINK␉AF_HYLINK␊ |
| 378 | #define␉PF_APPLETALK␉AF_APPLETALK␊ |
| 379 | #define␉PF_ROUTE␉AF_ROUTE␊ |
| 380 | #define␉PF_LINK␉␉AF_LINK␊ |
| 381 | #define␉PF_XTP␉␉pseudo_AF_XTP␉/* really just proto family, no AF */␊ |
| 382 | #define␉PF_COIP␉␉AF_COIP␊ |
| 383 | #define␉PF_CNT␉␉AF_CNT␊ |
| 384 | #define␉PF_SIP␉␉AF_SIP␊ |
| 385 | #define␉PF_IPX␉␉AF_IPX␉␉/* same format as AF_NS */␊ |
| 386 | #define PF_RTIP␉␉pseudo_AF_RTIP␉/* same format as AF_INET */␊ |
| 387 | #define PF_PIP␉␉pseudo_AF_PIP␊ |
| 388 | #ifdef __APPLE__␊ |
| 389 | #define PF_NDRV␉␉AF_NDRV␊ |
| 390 | #endif␊ |
| 391 | #define␉PF_ISDN␉␉AF_ISDN␊ |
| 392 | #define␉PF_KEY␉␉pseudo_AF_KEY␊ |
| 393 | #define␉PF_INET6␉AF_INET6␊ |
| 394 | #define␉PF_NATM␉␉AF_NATM␊ |
| 395 | #ifdef __APPLE__␊ |
| 396 | #define PF_SYSTEM␉AF_SYSTEM␊ |
| 397 | #define PF_NETBIOS␉AF_NETBIOS␊ |
| 398 | #define PF_PPP␉␉AF_PPP␊ |
| 399 | #define PF_RESERVED_36 AF_RESERVED_36␊ |
| 400 | ␊ |
| 401 | #else␊ |
| 402 | #define␉PF_ATM␉␉AF_ATM␊ |
| 403 | #define␉PF_NETGRAPH␉AF_NETGRAPH␊ |
| 404 | #endif␊ |
| 405 | ␊ |
| 406 | #define␉PF_MAX␉␉AF_MAX␊ |
| 407 | ␊ |
| 408 | /*␊ |
| 409 | * These do not have socket-layer support:␊ |
| 410 | */␊ |
| 411 | #define␉PF_VLAN␉␉((uint32_t)0x766c616e)␉/* 'vlan' */␊ |
| 412 | #define PF_BOND␉␉((uint32_t)0x626f6e64)␉/* 'bond' */␊ |
| 413 | ␊ |
| 414 | /*␊ |
| 415 | * Definitions for network related sysctl, CTL_NET.␊ |
| 416 | *␊ |
| 417 | * Second level is protocol family.␊ |
| 418 | * Third level is protocol number.␊ |
| 419 | *␊ |
| 420 | * Further levels are defined by the individual families below.␊ |
| 421 | */␊ |
| 422 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 423 | #define NET_MAXID␉AF_MAX␊ |
| 424 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 425 | ␊ |
| 426 | ␊ |
| 427 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 428 | /*␊ |
| 429 | * PF_ROUTE - Routing table␊ |
| 430 | *␊ |
| 431 | * Three additional levels are defined:␊ |
| 432 | *␉Fourth: address family, 0 is wildcard␊ |
| 433 | *␉Fifth: type of info, defined below␊ |
| 434 | *␉Sixth: flag(s) to mask with for NET_RT_FLAGS␊ |
| 435 | */␊ |
| 436 | #define NET_RT_DUMP␉␉␉1␉␉/* dump; may limit to a.f. */␊ |
| 437 | #define NET_RT_FLAGS␉␉2␉␉/* by flags, e.g. RESOLVING */␊ |
| 438 | #define NET_RT_IFLIST␉␉3␉␉/* survey interface list */␊ |
| 439 | #define NET_RT_STAT␉␉␉4␉␉/* routing statistics */␊ |
| 440 | #define NET_RT_TRASH␉␉5␉␉/* routes not in table but not freed */␊ |
| 441 | #define NET_RT_IFLIST2␉6␉␉/* interface list with addresses */␊ |
| 442 | #define NET_RT_DUMP2 7 /* dump; may limit to a.f. */␊ |
| 443 | #define␉NET_RT_MAXID␉␉8␊ |
| 444 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊ |
| 445 | ␊ |
| 446 | ␊ |
| 447 | /*␊ |
| 448 | * Maximum queue length specifiable by listen.␊ |
| 449 | */␊ |
| 450 | #define␉SOMAXCONN␉128␊ |
| 451 | ␊ |
| 452 | /*␊ |
| 453 | * [XSI] Message header for recvmsg and sendmsg calls.␊ |
| 454 | * Used value-result for recvmsg, value only for sendmsg.␊ |
| 455 | */␊ |
| 456 | struct msghdr {␊ |
| 457 | ␉void␉␉*msg_name;␉/* [XSI] optional address */␊ |
| 458 | ␉socklen_t␉msg_namelen;␉/* [XSI] size of address */␊ |
| 459 | ␉struct␉␉iovec *msg_iov;␉/* [XSI] scatter/gather array */␊ |
| 460 | ␉int␉␉msg_iovlen;␉/* [XSI] # elements in msg_iov */␊ |
| 461 | ␉void␉␉*msg_control;␉/* [XSI] ancillary data, see below */␊ |
| 462 | ␉socklen_t␉msg_controllen;␉/* [XSI] ancillary data buffer len */␊ |
| 463 | ␉int␉␉msg_flags;␉/* [XSI] flags on received message */␊ |
| 464 | };␊ |
| 465 | ␊ |
| 466 | ␊ |
| 467 | #define␉MSG_OOB␉␉0x1␉␉/* process out-of-band data */␊ |
| 468 | #define␉MSG_PEEK␉0x2␉␉/* peek at incoming message */␊ |
| 469 | #define␉MSG_DONTROUTE␉0x4␉␉/* send without using routing tables */␊ |
| 470 | #define␉MSG_EOR␉␉0x8␉␉/* data completes record */␊ |
| 471 | #define␉MSG_TRUNC␉0x10␉␉/* data discarded before delivery */␊ |
| 472 | #define␉MSG_CTRUNC␉0x20␉␉/* control data lost before delivery */␊ |
| 473 | #define␉MSG_WAITALL␉0x40␉␉/* wait for full request or error */␊ |
| 474 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 475 | #define␉MSG_DONTWAIT␉0x80␉␉/* this message should be nonblocking */␊ |
| 476 | #define␉MSG_EOF␉␉0x100␉␉/* data completes connection */␊ |
| 477 | #ifdef __APPLE__␊ |
| 478 | #define MSG_WAITSTREAM 0x200 /* wait up to full request.. may return partial */␊ |
| 479 | #define MSG_FLUSH␉0x400␉␉/* Start of 'hold' seq; dump so_temp */␊ |
| 480 | #define MSG_HOLD␉0x800␉␉/* Hold frag in so_temp */␊ |
| 481 | #define MSG_SEND␉0x1000␉␉/* Send the packet in so_temp */␊ |
| 482 | #define MSG_HAVEMORE␉0x2000␉␉/* Data ready to be read */␊ |
| 483 | #define MSG_RCVMORE␉0x4000␉␉/* Data remains in current pkt */␊ |
| 484 | #endif␊ |
| 485 | #define MSG_NEEDSA␉0x10000␉␉/* Fail receive if socket address cannot be allocated */␊ |
| 486 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 487 | ␊ |
| 488 | /*␊ |
| 489 | * Header for ancillary data objects in msg_control buffer.␊ |
| 490 | * Used for additional information with/about a datagram␊ |
| 491 | * not expressible by flags. The format is a sequence␊ |
| 492 | * of message elements headed by cmsghdr structures.␊ |
| 493 | */␊ |
| 494 | struct cmsghdr {␊ |
| 495 | ␉socklen_t␉cmsg_len;␉/* [XSI] data byte count, including hdr */␊ |
| 496 | ␉int␉␉cmsg_level;␉/* [XSI] originating protocol */␊ |
| 497 | ␉int␉␉cmsg_type;␉/* [XSI] protocol-specific type */␊ |
| 498 | /* followed by␉unsigned char cmsg_data[]; */␊ |
| 499 | };␊ |
| 500 | ␊ |
| 501 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 502 | #ifndef __APPLE__␊ |
| 503 | /*␊ |
| 504 | * While we may have more groups than this, the cmsgcred struct must␊ |
| 505 | * be able to fit in an mbuf, and NGROUPS_MAX is too large to allow␊ |
| 506 | * this.␊ |
| 507 | */␊ |
| 508 | #define CMGROUP_MAX 16␊ |
| 509 | ␊ |
| 510 | /*␊ |
| 511 | * Credentials structure, used to verify the identity of a peer␊ |
| 512 | * process that has sent us a message. This is allocated by the␊ |
| 513 | * peer process but filled in by the kernel. This prevents the␊ |
| 514 | * peer from lying about its identity. (Note that cmcred_groups[0]␊ |
| 515 | * is the effective GID.)␊ |
| 516 | */␊ |
| 517 | struct cmsgcred {␊ |
| 518 | ␉pid_t␉cmcred_pid;␉␉/* PID of sending process */␊ |
| 519 | ␉uid_t␉cmcred_uid;␉␉/* real UID of sending process */␊ |
| 520 | ␉uid_t␉cmcred_euid;␉␉/* effective UID of sending process */␊ |
| 521 | ␉gid_t␉cmcred_gid;␉␉/* real GID of sending process */␊ |
| 522 | ␉short␉cmcred_ngroups;␉␉/* number or groups */␊ |
| 523 | ␉gid_t␉cmcred_groups[CMGROUP_MAX];␉/* groups */␊ |
| 524 | };␊ |
| 525 | #endif␊ |
| 526 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 527 | ␊ |
| 528 | /* given pointer to struct cmsghdr, return pointer to data */␊ |
| 529 | #define␉CMSG_DATA(cmsg)␉␉((unsigned char *)(cmsg) + \␊ |
| 530 | ␉␉␉␉ __DARWIN_ALIGN32(sizeof(struct cmsghdr)))␊ |
| 531 | ␊ |
| 532 | /*␊ |
| 533 | * RFC 2292 requires to check msg_controllen, in case that the kernel returns␊ |
| 534 | * an empty list for some reasons.␊ |
| 535 | */␊ |
| 536 | #define CMSG_FIRSTHDR(mhdr) \␊ |
| 537 | ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \␊ |
| 538 | (struct cmsghdr *)(mhdr)->msg_control : \␊ |
| 539 | (struct cmsghdr *)0L)␊ |
| 540 | ␊ |
| 541 | ␊ |
| 542 | /* ␊ |
| 543 | * Given pointer to struct cmsghdr, return pointer to next cmsghdr␊ |
| 544 | * RFC 2292 says that CMSG_NXTHDR(mhdr, NULL) is equivalent to CMSG_FIRSTHDR(mhdr)␊ |
| 545 | */␊ |
| 546 | #define␉CMSG_NXTHDR(mhdr, cmsg)␉␉␉␉␉␉\␊ |
| 547 | ␉((char *)(cmsg) == (char *)0L ? CMSG_FIRSTHDR(mhdr) :␉␉\␊ |
| 548 | ␉ ((((unsigned char *)(cmsg) +␉␉␉␉␉\␊ |
| 549 | ␉ __DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len) +␉␉\␊ |
| 550 | ␉ __DARWIN_ALIGN32(sizeof(struct cmsghdr))) >␉␉␉\␊ |
| 551 | ␉ ((unsigned char *)(mhdr)->msg_control +␉␉␉\␊ |
| 552 | ␉ (mhdr)->msg_controllen)) ?␉␉␉␉␉\␊ |
| 553 | ␉ (struct cmsghdr *)0L /* NULL */ :␉␉␉␉\␊ |
| 554 | ␉ (struct cmsghdr *)((unsigned char *)(cmsg) +␉␉␉\␊ |
| 555 | ␉ ␉␉ __DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len))))␊ |
| 556 | ␊ |
| 557 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 558 | /* RFC 2292 additions */␊ |
| 559 | #define␉CMSG_SPACE(l)␉␉(__DARWIN_ALIGN32(sizeof(struct cmsghdr)) + __DARWIN_ALIGN32(l))␊ |
| 560 | #define␉CMSG_LEN(l)␉␉(__DARWIN_ALIGN32(sizeof(struct cmsghdr)) + (l))␊ |
| 561 | ␊ |
| 562 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 563 | ␊ |
| 564 | /* "Socket"-level control message types: */␊ |
| 565 | #define␉SCM_RIGHTS␉0x01␉␉/* access rights (array of int) */␊ |
| 566 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 567 | #define␉SCM_TIMESTAMP␉0x02␉␉/* timestamp (struct timeval) */␊ |
| 568 | #define␉SCM_CREDS␉0x03␉␉/* process creds (struct cmsgcred) */␊ |
| 569 | ␊ |
| 570 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 571 | ␊ |
| 572 | /*␊ |
| 573 | * howto arguments for shutdown(2), specified by Posix.1g.␊ |
| 574 | */␊ |
| 575 | #define␉SHUT_RD␉␉0␉␉/* shut down the reading side */␊ |
| 576 | #define␉SHUT_WR␉␉1␉␉/* shut down the writing side */␊ |
| 577 | #define␉SHUT_RDWR␉2␉␉/* shut down both sides */␊ |
| 578 | ␊ |
| 579 | #if !defined(_POSIX_C_SOURCE)␊ |
| 580 | /*␊ |
| 581 | * sendfile(2) header/trailer struct␊ |
| 582 | */␊ |
| 583 | struct sf_hdtr {␊ |
| 584 | ␉struct iovec *headers;␉/* pointer to an array of header struct iovec's */␊ |
| 585 | ␉int hdr_cnt;␉␉/* number of header iovec's */␊ |
| 586 | ␉struct iovec *trailers;␉/* pointer to an array of trailer struct iovec's */␊ |
| 587 | ␉int trl_cnt;␉␉/* number of trailer iovec's */␊ |
| 588 | };␊ |
| 589 | ␊ |
| 590 | ␊ |
| 591 | #endif␉/* !_POSIX_C_SOURCE */␊ |
| 592 | ␊ |
| 593 | __BEGIN_DECLS␊ |
| 594 | int␉accept(int, struct sockaddr * __restrict, socklen_t * __restrict)␊ |
| 595 | ␉␉__DARWIN_ALIAS_C(accept);␊ |
| 596 | int␉bind(int, const struct sockaddr *, socklen_t) __DARWIN_ALIAS(bind);␊ |
| 597 | int␉connect(int, const struct sockaddr *, socklen_t) __DARWIN_ALIAS_C( connect);␊ |
| 598 | int␉getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict)␊ |
| 599 | ␉␉__DARWIN_ALIAS(getpeername);␊ |
| 600 | int␉getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict)␊ |
| 601 | ␉␉__DARWIN_ALIAS(getsockname);␊ |
| 602 | int␉getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);␊ |
| 603 | int␉listen(int, int) __DARWIN_ALIAS(listen);␊ |
| 604 | ssize_t␉recv(int, void *, size_t, int) __DARWIN_ALIAS_C(recv);␊ |
| 605 | ssize_t␉recvfrom(int, void *, size_t, int, struct sockaddr * __restrict,␊ |
| 606 | ␉␉socklen_t * __restrict) __DARWIN_ALIAS_C(recvfrom);␊ |
| 607 | ssize_t␉recvmsg(int, struct msghdr *, int) __DARWIN_ALIAS_C(recvmsg);␊ |
| 608 | ssize_t␉send(int, const void *, size_t, int) __DARWIN_ALIAS_C(send);␊ |
| 609 | ssize_t␉sendmsg(int, const struct msghdr *, int) __DARWIN_ALIAS_C(sendmsg);␊ |
| 610 | ssize_t␉sendto(int, const void *, size_t,␊ |
| 611 | ␉␉int, const struct sockaddr *, socklen_t) __DARWIN_ALIAS_C(sendto);␊ |
| 612 | int␉setsockopt(int, int, int, const void *, socklen_t);␊ |
| 613 | int␉shutdown(int, int);␊ |
| 614 | int␉sockatmark(int);␊ |
| 615 | int␉socket(int, int, int);␊ |
| 616 | int␉socketpair(int, int, int, int *) __DARWIN_ALIAS(socketpair);␊ |
| 617 | ␊ |
| 618 | #if !defined(_POSIX_C_SOURCE)␊ |
| 619 | int␉sendfile(int, int, off_t, off_t *, struct sf_hdtr *, int);␊ |
| 620 | #endif␉/* !_POSIX_C_SOURCE */␊ |
| 621 | ␊ |
| 622 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 623 | void␉pfctlinput(int, struct sockaddr *);␊ |
| 624 | #endif␉/* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */␊ |
| 625 | __END_DECLS␊ |
| 626 | ␊ |
| 627 | ␊ |
| 628 | ␊ |
| 629 | #endif /* !_SYS_SOCKET_H_ */␊ |
| 630 | |
