diff options
Diffstat (limited to 'lib/libc/include/aarch64-macos-gnu/sys/socket.h')
| -rw-r--r-- | lib/libc/include/aarch64-macos-gnu/sys/socket.h | 741 |
1 files changed, 741 insertions, 0 deletions
diff --git a/lib/libc/include/aarch64-macos-gnu/sys/socket.h b/lib/libc/include/aarch64-macos-gnu/sys/socket.h new file mode 100644 index 0000000000..0c6b09babe --- /dev/null +++ b/lib/libc/include/aarch64-macos-gnu/sys/socket.h @@ -0,0 +1,741 @@ +/* + * Copyright (c) 2000-2019 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */ +/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ +/* + * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)socket.h 8.4 (Berkeley) 2/21/94 + * $FreeBSD: src/sys/sys/socket.h,v 1.39.2.7 2001/07/03 11:02:01 ume Exp $ + */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ + +#ifndef _SYS_SOCKET_H_ +#define _SYS_SOCKET_H_ + +#include <sys/types.h> +#include <sys/cdefs.h> +#include <machine/_param.h> +#include <net/net_kev.h> + + +#include <Availability.h> + +/* + * Definitions related to sockets: types, address families, options. + */ + +/* + * Data types. + */ + +#include <sys/_types/_gid_t.h> +#include <sys/_types/_off_t.h> +#include <sys/_types/_pid_t.h> +#include <sys/_types/_sa_family_t.h> +#include <sys/_types/_socklen_t.h> + +/* XXX Not explicitly defined by POSIX, but function return types are */ +#include <sys/_types/_size_t.h> + +/* XXX Not explicitly defined by POSIX, but function return types are */ +#include <sys/_types/_ssize_t.h> + +/* + * [XSI] The iovec structure shall be defined as described in <sys/uio.h>. + */ +#include <sys/_types/_iovec_t.h> + +/* + * Types + */ +#define SOCK_STREAM 1 /* stream socket */ +#define SOCK_DGRAM 2 /* datagram socket */ +#define SOCK_RAW 3 /* raw-protocol interface */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SOCK_RDM 4 /* reliably-delivered message */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define SOCK_SEQPACKET 5 /* sequenced packet stream */ + +/* + * Option flags per-socket. + */ +#define SO_DEBUG 0x0001 /* turn on debugging info recording */ +#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ +#define SO_REUSEADDR 0x0004 /* allow local address reuse */ +#define SO_KEEPALIVE 0x0008 /* keep connections alive */ +#define SO_DONTROUTE 0x0010 /* just use interface addresses */ +#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ +#define SO_LINGER 0x0080 /* linger on close if data present (in ticks) */ +#else +#define SO_LINGER 0x1080 /* linger on close if data present (in seconds) */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ +#define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */ +#define SO_TIMESTAMP_MONOTONIC 0x0800 /* Monotonically increasing timestamp on rcvd dgram */ +#ifndef __APPLE__ +#define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ +#else +#define SO_DONTTRUNC 0x2000 /* APPLE: Retain unread data */ + /* (ATOMIC proto) */ +#define SO_WANTMORE 0x4000 /* APPLE: Give hint when more data ready */ +#define SO_WANTOOBFLAG 0x8000 /* APPLE: Want OOB in MSG_FLAG on receive */ + + +#endif /* (!__APPLE__) */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* + * Additional options, not kept in so_options. + */ +#define SO_SNDBUF 0x1001 /* send buffer size */ +#define SO_RCVBUF 0x1002 /* receive buffer size */ +#define SO_SNDLOWAT 0x1003 /* send low-water mark */ +#define SO_RCVLOWAT 0x1004 /* receive low-water mark */ +#define SO_SNDTIMEO 0x1005 /* send timeout */ +#define SO_RCVTIMEO 0x1006 /* receive timeout */ +#define SO_ERROR 0x1007 /* get error status and clear */ +#define SO_TYPE 0x1008 /* get socket type */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SO_LABEL 0x1010 /* deprecated */ +#define SO_PEERLABEL 0x1011 /* deprecated */ +#ifdef __APPLE__ +#define SO_NREAD 0x1020 /* APPLE: get 1st-packet byte count */ +#define SO_NKE 0x1021 /* APPLE: Install socket-level NKE */ +#define SO_NOSIGPIPE 0x1022 /* APPLE: No SIGPIPE on EPIPE */ +#define SO_NOADDRERR 0x1023 /* APPLE: Returns EADDRNOTAVAIL when src is not available anymore */ +#define SO_NWRITE 0x1024 /* APPLE: Get number of bytes currently in send socket buffer */ +#define SO_REUSESHAREUID 0x1025 /* APPLE: Allow reuse of port/socket by different userids */ +#ifdef __APPLE_API_PRIVATE +#define SO_NOTIFYCONFLICT 0x1026 /* APPLE: send notification if there is a bind on a port which is already in use */ +#define SO_UPCALLCLOSEWAIT 0x1027 /* APPLE: block on close until an upcall returns */ +#endif +#define SO_LINGER_SEC 0x1080 /* linger on close if data present (in seconds) */ +#define SO_RANDOMPORT 0x1082 /* APPLE: request local port randomization */ +#define SO_NP_EXTENSIONS 0x1083 /* To turn off some POSIX behavior */ +#endif + +#define SO_NUMRCVPKT 0x1112 /* number of datagrams in receive socket buffer */ +#define SO_NET_SERVICE_TYPE 0x1116 /* Network service type */ + + +#define SO_NETSVC_MARKING_LEVEL 0x1119 /* Get QoS marking in effect for socket */ + +/* + * Network Service Type for option SO_NET_SERVICE_TYPE + * + * The vast majority of sockets should use Best Effort that is the default + * Network Service Type. Other Network Service Types have to be used only if + * the traffic actually matches the description of the Network Service Type. + * + * Network Service Types do not represent priorities but rather describe + * different categories of delay, jitter and loss parameters. + * Those parameters may influence protocols from layer 4 protocols like TCP + * to layer 2 protocols like Wi-Fi. The Network Service Type can determine + * how the traffic is queued and scheduled by the host networking stack and + * by other entities on the network like switches and routers. For example + * for Wi-Fi, the Network Service Type can select the marking of the + * layer 2 packet with the appropriate WMM Access Category. + * + * There is no point in attempting to game the system and use + * a Network Service Type that does not correspond to the actual + * traffic characteristic but one that seems to have a higher precedence. + * The reason is that for service classes that have lower tolerance + * for delay and jitter, the queues size is lower than for service + * classes that are more tolerant to delay and jitter. + * + * For example using a voice service type for bulk data transfer will lead + * to disastrous results as soon as congestion happens because the voice + * queue overflows and packets get dropped. This is not only bad for the bulk + * data transfer but it is also bad for VoIP apps that legitimately are using + * the voice service type. + * + * The characteristics of the Network Service Types are based on the service + * classes defined in RFC 4594 "Configuration Guidelines for DiffServ Service + * Classes" + * + * When system detects the outgoing interface belongs to a DiffServ domain + * that follows the recommendation of the IETF draft "Guidelines for DiffServ to + * IEEE 802.11 Mapping", the packet will marked at layer 3 with a DSCP value + * that corresponds to Network Service Type. + * + * NET_SERVICE_TYPE_BE + * "Best Effort", unclassified/standard. This is the default service + * class and cover the majority of the traffic. + * + * NET_SERVICE_TYPE_BK + * "Background", high delay tolerant, loss tolerant. elastic flow, + * variable size & long-lived. E.g: non-interactive network bulk transfer + * like synching or backup. + * + * NET_SERVICE_TYPE_RD + * "Responsive Data", a notch higher than "Best Effort", medium delay + * tolerant, elastic & inelastic flow, bursty, long-lived. E.g. email, + * instant messaging, for which there is a sense of interactivity and + * urgency (user waiting for output). + * + * NET_SERVICE_TYPE_OAM + * "Operations, Administration, and Management", medium delay tolerant, + * low-medium loss tolerant, elastic & inelastic flows, variable size. + * E.g. VPN tunnels. + * + * NET_SERVICE_TYPE_AV + * "Multimedia Audio/Video Streaming", medium delay tolerant, low-medium + * loss tolerant, elastic flow, constant packet interval, variable rate + * and size. E.g. video and audio playback with buffering. + * + * NET_SERVICE_TYPE_RV + * "Responsive Multimedia Audio/Video", low delay tolerant, low-medium + * loss tolerant, elastic flow, variable packet interval, rate and size. + * E.g. screen sharing. + * + * NET_SERVICE_TYPE_VI + * "Interactive Video", low delay tolerant, low-medium loss tolerant, + * elastic flow, constant packet interval, variable rate & size. E.g. + * video telephony. + * + * NET_SERVICE_TYPE_SIG + * "Signaling", low delay tolerant, low loss tolerant, inelastic flow, + * jitter tolerant, rate is bursty but short, variable size. E.g. SIP. + * + * NET_SERVICE_TYPE_VO + * "Interactive Voice", very low delay tolerant, very low loss tolerant, + * inelastic flow, constant packet rate, somewhat fixed size. + * E.g. VoIP. + */ + +#define NET_SERVICE_TYPE_BE 0 /* Best effort */ +#define NET_SERVICE_TYPE_BK 1 /* Background system initiated */ +#define NET_SERVICE_TYPE_SIG 2 /* Signaling */ +#define NET_SERVICE_TYPE_VI 3 /* Interactive Video */ +#define NET_SERVICE_TYPE_VO 4 /* Interactive Voice */ +#define NET_SERVICE_TYPE_RV 5 /* Responsive Multimedia Audio/Video */ +#define NET_SERVICE_TYPE_AV 6 /* Multimedia Audio/Video Streaming */ +#define NET_SERVICE_TYPE_OAM 7 /* Operations, Administration, and Management */ +#define NET_SERVICE_TYPE_RD 8 /* Responsive Data */ + + +/* These are supported values for SO_NETSVC_MARKING_LEVEL */ +#define NETSVC_MRKNG_UNKNOWN 0 /* The outgoing network interface is not known */ +#define NETSVC_MRKNG_LVL_L2 1 /* Default marking at layer 2 (for example Wi-Fi WMM) */ +#define NETSVC_MRKNG_LVL_L3L2_ALL 2 /* Layer 3 DSCP marking and layer 2 marking for all Network Service Types */ +#define NETSVC_MRKNG_LVL_L3L2_BK 3 /* The system policy limits layer 3 DSCP marking and layer 2 marking + * to background Network Service Types */ + + +typedef __uint32_t sae_associd_t; +#define SAE_ASSOCID_ANY 0 +#define SAE_ASSOCID_ALL ((sae_associd_t)(-1ULL)) + +typedef __uint32_t sae_connid_t; +#define SAE_CONNID_ANY 0 +#define SAE_CONNID_ALL ((sae_connid_t)(-1ULL)) + +/* connectx() flag parameters */ +#define CONNECT_RESUME_ON_READ_WRITE 0x1 /* resume connect() on read/write */ +#define CONNECT_DATA_IDEMPOTENT 0x2 /* data is idempotent */ +#define CONNECT_DATA_AUTHENTICATED 0x4 /* data includes security that replaces the TFO-cookie */ + +/* sockaddr endpoints */ +typedef struct sa_endpoints { + unsigned int sae_srcif; /* optional source interface */ + const struct sockaddr *sae_srcaddr; /* optional source address */ + socklen_t sae_srcaddrlen; /* size of source address */ + const struct sockaddr *sae_dstaddr; /* destination address */ + socklen_t sae_dstaddrlen; /* size of destination address */ +} sa_endpoints_t; +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* + * Structure used for manipulating linger option. + */ +struct linger { + int l_onoff; /* option on/off */ + int l_linger; /* linger time */ +}; + +#ifndef __APPLE__ +struct accept_filter_arg { + char af_name[16]; + char af_arg[256 - 16]; +}; +#endif + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#ifdef __APPLE__ + +/* + * Structure to control non-portable Sockets extension to POSIX + */ +struct so_np_extensions { + u_int32_t npx_flags; + u_int32_t npx_mask; +}; + +#define SONPX_SETOPTSHUT 0x000000001 /* flag for allowing setsockopt after shutdown */ + + + +#endif +#endif + +/* + * Level number for (get/set)sockopt() to apply to socket itself. + */ +#define SOL_SOCKET 0xffff /* options for socket level */ + + +/* + * Address families. + */ +#define AF_UNSPEC 0 /* unspecified */ +#define AF_UNIX 1 /* local to host (pipes) */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define AF_LOCAL AF_UNIX /* backward compatibility */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define AF_INET 2 /* internetwork: UDP, TCP, etc. */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define AF_IMPLINK 3 /* arpanet imp addresses */ +#define AF_PUP 4 /* pup protocols: e.g. BSP */ +#define AF_CHAOS 5 /* mit CHAOS protocols */ +#define AF_NS 6 /* XEROX NS protocols */ +#define AF_ISO 7 /* ISO protocols */ +#define AF_OSI AF_ISO +#define AF_ECMA 8 /* European computer manufacturers */ +#define AF_DATAKIT 9 /* datakit protocols */ +#define AF_CCITT 10 /* CCITT protocols, X.25 etc */ +#define AF_SNA 11 /* IBM SNA */ +#define AF_DECnet 12 /* DECnet */ +#define AF_DLI 13 /* DEC Direct data link interface */ +#define AF_LAT 14 /* LAT */ +#define AF_HYLINK 15 /* NSC Hyperchannel */ +#define AF_APPLETALK 16 /* Apple Talk */ +#define AF_ROUTE 17 /* Internal Routing Protocol */ +#define AF_LINK 18 /* Link layer interface */ +#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ +#define AF_COIP 20 /* connection-oriented IP, aka ST II */ +#define AF_CNT 21 /* Computer Network Technology */ +#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ +#define AF_IPX 23 /* Novell Internet Protocol */ +#define AF_SIP 24 /* Simple Internet Protocol */ +#define pseudo_AF_PIP 25 /* Help Identify PIP packets */ +#define AF_NDRV 27 /* Network Driver 'raw' access */ +#define AF_ISDN 28 /* Integrated Services Digital Network */ +#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ +#define pseudo_AF_KEY 29 /* Internal key-management function */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +#define AF_INET6 30 /* IPv6 */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define AF_NATM 31 /* native ATM access */ +#define AF_SYSTEM 32 /* Kernel event messages */ +#define AF_NETBIOS 33 /* NetBIOS */ +#define AF_PPP 34 /* PPP communication protocol */ +#define pseudo_AF_HDRCMPLT 35 /* Used by BPF to not rewrite headers + * in interface output routine */ +#define AF_RESERVED_36 36 /* Reserved for internal usage */ +#define AF_IEEE80211 37 /* IEEE 802.11 protocol */ +#define AF_UTUN 38 +#define AF_VSOCK 40 /* VM Sockets */ +#define AF_MAX 41 +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* + * [XSI] Structure used by kernel to store most addresses. + */ +struct sockaddr { + __uint8_t sa_len; /* total length */ + sa_family_t sa_family; /* [XSI] address family */ + char sa_data[14]; /* [XSI] addr value (actually larger) */ +}; + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SOCK_MAXADDRLEN 255 /* longest possible addresses */ + +/* + * Structure used by kernel to pass protocol + * information in raw sockets. + */ +struct sockproto { + __uint16_t sp_family; /* address family */ + __uint16_t sp_protocol; /* protocol */ +}; +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* + * RFC 2553: protocol-independent placeholder for socket addresses + */ +#define _SS_MAXSIZE 128 +#define _SS_ALIGNSIZE (sizeof(__int64_t)) +#define _SS_PAD1SIZE \ + (_SS_ALIGNSIZE - sizeof(__uint8_t) - sizeof(sa_family_t)) +#define _SS_PAD2SIZE \ + (_SS_MAXSIZE - sizeof(__uint8_t) - sizeof(sa_family_t) - \ + _SS_PAD1SIZE - _SS_ALIGNSIZE) + +/* + * [XSI] sockaddr_storage + */ +struct sockaddr_storage { + __uint8_t ss_len; /* address length */ + sa_family_t ss_family; /* [XSI] address family */ + char __ss_pad1[_SS_PAD1SIZE]; + __int64_t __ss_align; /* force structure storage alignment */ + char __ss_pad2[_SS_PAD2SIZE]; +}; + +/* + * Protocol families, same as address families for now. + */ +#define PF_UNSPEC AF_UNSPEC +#define PF_LOCAL AF_LOCAL +#define PF_UNIX PF_LOCAL /* backward compatibility */ +#define PF_INET AF_INET +#define PF_IMPLINK AF_IMPLINK +#define PF_PUP AF_PUP +#define PF_CHAOS AF_CHAOS +#define PF_NS AF_NS +#define PF_ISO AF_ISO +#define PF_OSI AF_ISO +#define PF_ECMA AF_ECMA +#define PF_DATAKIT AF_DATAKIT +#define PF_CCITT AF_CCITT +#define PF_SNA AF_SNA +#define PF_DECnet AF_DECnet +#define PF_DLI AF_DLI +#define PF_LAT AF_LAT +#define PF_HYLINK AF_HYLINK +#define PF_APPLETALK AF_APPLETALK +#define PF_ROUTE AF_ROUTE +#define PF_LINK AF_LINK +#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ +#define PF_COIP AF_COIP +#define PF_CNT AF_CNT +#define PF_SIP AF_SIP +#define PF_IPX AF_IPX /* same format as AF_NS */ +#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ +#define PF_PIP pseudo_AF_PIP +#define PF_NDRV AF_NDRV +#define PF_ISDN AF_ISDN +#define PF_KEY pseudo_AF_KEY +#define PF_INET6 AF_INET6 +#define PF_NATM AF_NATM +#define PF_SYSTEM AF_SYSTEM +#define PF_NETBIOS AF_NETBIOS +#define PF_PPP AF_PPP +#define PF_RESERVED_36 AF_RESERVED_36 +#define PF_UTUN AF_UTUN +#define PF_VSOCK AF_VSOCK +#define PF_MAX AF_MAX + +/* + * These do not have socket-layer support: + */ +#define PF_VLAN ((uint32_t)0x766c616e) /* 'vlan' */ +#define PF_BOND ((uint32_t)0x626f6e64) /* 'bond' */ + +/* + * Definitions for network related sysctl, CTL_NET. + * + * Second level is protocol family. + * Third level is protocol number. + * + * Further levels are defined by the individual families below. + */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define NET_MAXID AF_MAX +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ + + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +/* + * PF_ROUTE - Routing table + * + * Three additional levels are defined: + * Fourth: address family, 0 is wildcard + * Fifth: type of info, defined below + * Sixth: flag(s) to mask with for NET_RT_FLAGS + */ +#define NET_RT_DUMP 1 /* dump; may limit to a.f. */ +#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ +#define NET_RT_IFLIST 3 /* survey interface list */ +#define NET_RT_STAT 4 /* routing statistics */ +#define NET_RT_TRASH 5 /* routes not in table but not freed */ +#define NET_RT_IFLIST2 6 /* interface list with addresses */ +#define NET_RT_DUMP2 7 /* dump; may limit to a.f. */ +/* + * Allows read access non-local host's MAC address + * if the process has neighbor cache entitlement. + */ +#define NET_RT_FLAGS_PRIV 10 +#define NET_RT_MAXID 11 +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ + + + + +/* + * Maximum queue length specifiable by listen. + */ +#define SOMAXCONN 128 + +/* + * [XSI] Message header for recvmsg and sendmsg calls. + * Used value-result for recvmsg, value only for sendmsg. + */ +struct msghdr { + void *msg_name; /* [XSI] optional address */ + socklen_t msg_namelen; /* [XSI] size of address */ + struct iovec *msg_iov; /* [XSI] scatter/gather array */ + int msg_iovlen; /* [XSI] # elements in msg_iov */ + void *msg_control; /* [XSI] ancillary data, see below */ + socklen_t msg_controllen; /* [XSI] ancillary data buffer len */ + int msg_flags; /* [XSI] flags on received message */ +}; + + + +#define MSG_OOB 0x1 /* process out-of-band data */ +#define MSG_PEEK 0x2 /* peek at incoming message */ +#define MSG_DONTROUTE 0x4 /* send without using routing tables */ +#define MSG_EOR 0x8 /* data completes record */ +#define MSG_TRUNC 0x10 /* data discarded before delivery */ +#define MSG_CTRUNC 0x20 /* control data lost before delivery */ +#define MSG_WAITALL 0x40 /* wait for full request or error */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ +#define MSG_EOF 0x100 /* data completes connection */ +#ifdef __APPLE__ +#ifdef __APPLE_API_OBSOLETE +#define MSG_WAITSTREAM 0x200 /* wait up to full request.. may return partial */ +#endif +#define MSG_FLUSH 0x400 /* Start of 'hold' seq; dump so_temp, deprecated */ +#define MSG_HOLD 0x800 /* Hold frag in so_temp, deprecated */ +#define MSG_SEND 0x1000 /* Send the packet in so_temp, deprecated */ +#define MSG_HAVEMORE 0x2000 /* Data ready to be read */ +#define MSG_RCVMORE 0x4000 /* Data remains in current pkt */ +#endif +#define MSG_NEEDSA 0x10000 /* Fail receive if socket address cannot be allocated */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +#if __DARWIN_C_LEVEL >= 200809L +#define MSG_NOSIGNAL 0x80000 /* do not generate SIGPIPE on EOF */ +#endif /* __DARWIN_C_LEVEL */ + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* + * Header for ancillary data objects in msg_control buffer. + * Used for additional information with/about a datagram + * not expressible by flags. The format is a sequence + * of message elements headed by cmsghdr structures. + */ +struct cmsghdr { + socklen_t cmsg_len; /* [XSI] data byte count, including hdr */ + int cmsg_level; /* [XSI] originating protocol */ + int cmsg_type; /* [XSI] protocol-specific type */ +/* followed by unsigned char cmsg_data[]; */ +}; + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#ifndef __APPLE__ +/* + * While we may have more groups than this, the cmsgcred struct must + * be able to fit in an mbuf, and NGROUPS_MAX is too large to allow + * this. + */ +#define CMGROUP_MAX 16 + +/* + * Credentials structure, used to verify the identity of a peer + * process that has sent us a message. This is allocated by the + * peer process but filled in by the kernel. This prevents the + * peer from lying about its identity. (Note that cmcred_groups[0] + * is the effective GID.) + */ +struct cmsgcred { + pid_t cmcred_pid; /* PID of sending process */ + uid_t cmcred_uid; /* real UID of sending process */ + uid_t cmcred_euid; /* effective UID of sending process */ + gid_t cmcred_gid; /* real GID of sending process */ + short cmcred_ngroups; /* number or groups */ + gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ +}; +#endif +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* given pointer to struct cmsghdr, return pointer to data */ +#define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ + __DARWIN_ALIGN32(sizeof(struct cmsghdr))) + +/* + * RFC 2292 requires to check msg_controllen, in case that the kernel returns + * an empty list for some reasons. + */ +#define CMSG_FIRSTHDR(mhdr) \ + ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ + (struct cmsghdr *)(mhdr)->msg_control : \ + (struct cmsghdr *)0L) + + +/* + * Given pointer to struct cmsghdr, return pointer to next cmsghdr + * RFC 2292 says that CMSG_NXTHDR(mhdr, NULL) is equivalent to CMSG_FIRSTHDR(mhdr) + */ +#define CMSG_NXTHDR(mhdr, cmsg) \ + ((char *)(cmsg) == (char *)0L ? CMSG_FIRSTHDR(mhdr) : \ + ((((unsigned char *)(cmsg) + \ + __DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len) + \ + __DARWIN_ALIGN32(sizeof(struct cmsghdr))) > \ + ((unsigned char *)(mhdr)->msg_control + \ + (mhdr)->msg_controllen)) ? \ + (struct cmsghdr *)0L /* NULL */ : \ + (struct cmsghdr *)(void *)((unsigned char *)(cmsg) + \ + __DARWIN_ALIGN32((__uint32_t)(cmsg)->cmsg_len)))) + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +/* RFC 2292 additions */ +#define CMSG_SPACE(l) (__DARWIN_ALIGN32(sizeof(struct cmsghdr)) + __DARWIN_ALIGN32(l)) +#define CMSG_LEN(l) (__DARWIN_ALIGN32(sizeof(struct cmsghdr)) + (l)) + +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* "Socket"-level control message types: */ +#define SCM_RIGHTS 0x01 /* access rights (array of int) */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ +#define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ +#define SCM_TIMESTAMP_MONOTONIC 0x04 /* timestamp (uint64_t) */ + + +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +/* + * howto arguments for shutdown(2), specified by Posix.1g. + */ +#define SHUT_RD 0 /* shut down the reading side */ +#define SHUT_WR 1 /* shut down the writing side */ +#define SHUT_RDWR 2 /* shut down both sides */ + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +/* + * sendfile(2) header/trailer struct + */ +struct sf_hdtr { + struct iovec *headers; /* pointer to an array of header struct iovec's */ + int hdr_cnt; /* number of header iovec's */ + struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ + int trl_cnt; /* number of trailer iovec's */ +}; + + +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + + +__BEGIN_DECLS + +int accept(int, struct sockaddr * __restrict, socklen_t * __restrict) +__DARWIN_ALIAS_C(accept); +int bind(int, const struct sockaddr *, socklen_t) __DARWIN_ALIAS(bind); +int connect(int, const struct sockaddr *, socklen_t) __DARWIN_ALIAS_C(connect); +int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict) +__DARWIN_ALIAS(getpeername); +int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict) +__DARWIN_ALIAS(getsockname); +int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict); +int listen(int, int) __DARWIN_ALIAS(listen); +ssize_t recv(int, void *, size_t, int) __DARWIN_ALIAS_C(recv); +ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, + socklen_t * __restrict) __DARWIN_ALIAS_C(recvfrom); +ssize_t recvmsg(int, struct msghdr *, int) __DARWIN_ALIAS_C(recvmsg); +ssize_t send(int, const void *, size_t, int) __DARWIN_ALIAS_C(send); +ssize_t sendmsg(int, const struct msghdr *, int) __DARWIN_ALIAS_C(sendmsg); +ssize_t sendto(int, const void *, size_t, + int, const struct sockaddr *, socklen_t) __DARWIN_ALIAS_C(sendto); +int setsockopt(int, int, int, const void *, socklen_t); +int shutdown(int, int); +int sockatmark(int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); +int socket(int, int, int); +int socketpair(int, int, int, int *) __DARWIN_ALIAS(socketpair); + +#if !defined(_POSIX_C_SOURCE) +int sendfile(int, int, off_t, off_t *, struct sf_hdtr *, int); +#endif /* !_POSIX_C_SOURCE */ + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +void pfctlinput(int, struct sockaddr *); + +__API_AVAILABLE(macosx(10.11), ios(9.0), tvos(9.0), watchos(2.0)) +int connectx(int, const sa_endpoints_t *, sae_associd_t, unsigned int, + const struct iovec *, unsigned int, size_t *, sae_connid_t *); + +__API_AVAILABLE(macosx(10.11), ios(9.0), tvos(9.0), watchos(2.0)) +int disconnectx(int, sae_associd_t, sae_connid_t); +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ +__END_DECLS + + +#endif /* !_SYS_SOCKET_H_ */
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