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1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 | /* * 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> #ifdef PRIVATE #include <sys/param.h> #include <uuid/uuid.h> #endif /* PRIVATE */ #ifndef KERNEL #include <Availability.h> #endif /* * 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 */ #ifdef PRIVATE #define SO_NOWAKEFROMSLEEP 0x10000 /* Don't wake for traffic to this socket */ #define SO_NOAPNFALLBK 0x20000 /* Don't attempt APN fallback for the socket */ #define SO_TIMESTAMP_CONTINUOUS 0x40000 /* Continuous monotonic timestamp on rcvd dgram */ #endif #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) */ #ifdef PRIVATE #define SO_RESTRICTIONS 0x1081 /* APPLE: deny flag set */ #define SO_RESTRICT_DENY_IN 0x1 /* deny inbound (trapdoor) */ #define SO_RESTRICT_DENY_OUT 0x2 /* deny outbound (trapdoor) */ #define SO_RESTRICT_DENY_CELLULAR 0x4 /* deny use of cellular (trapdoor) */ #define SO_RESTRICT_DENY_EXPENSIVE 0x8 /* deny use of expensive if (trapdoor) */ #define SO_RESTRICT_DENY_CONSTRAINED 0x10 /* deny use of expensive if (trapdoor) */ #endif /* PRIVATE */ #define SO_RANDOMPORT 0x1082 /* APPLE: request local port randomization */ #define SO_NP_EXTENSIONS 0x1083 /* To turn off some POSIX behavior */ #endif #ifdef PRIVATE #define SO_EXECPATH 0x1085 /* Application Firewall Socket option */ /* * Traffic service class definitions (lowest to highest): * * SO_TC_BK_SYS * "Background System-Initiated", high delay tolerant, high loss * tolerant, elastic flow, variable size & long-lived. E.g: system- * initiated iCloud synching or Time Capsule backup, for which there * is no progress feedbacks. * * SO_TC_BK * "Background", user-initiated, high delay tolerant, high loss tolerant, * elastic flow, variable size. E.g. user-initiated iCloud synching or * Time Capsule backup; or traffics of background applications, for which * there is some progress feedbacks. * * SO_TC_BE * "Best Effort", unclassified/standard. This is the default service * class; pretty much a mix of everything. * * SO_TC_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). * * SO_TC_OAM * "Operations, Administration, and Management", medium delay tolerant, * low-medium loss tolerant, elastic & inelastic flows, variable size. * E.g. VPN tunnels. * * SO_TC_AV * "Multimedia Audio/Video Streaming", medium delay tolerant, low-medium * loss tolerant, elastic flow, constant packet interval, variable rate & * size. E.g. AirPlay playback (both video and audio). * * SO_TC_RV * "Responsive Multimedia Audio/Video", low delay tolerant, low-medium * loss tolerant, elastic flow, variable packet interval, rate and size. * E.g. AirPlay mirroring, screen sharing. * * SO_TC_VI * "Interactive Video", low delay tolerant, low-medium loss tolerant, * elastic flow, constant packet interval, variable rate & size. E.g. * FaceTime video. * * SO_TC_VO * "Interactive Voice", low delay tolerant, low loss tolerant, inelastic * flow, constant packet rate, somewhat fixed size. E.g. VoIP including * FaceTime audio. * * SO_TC_CTL * "Network Control", low delay tolerant, low loss tolerant, inelastic * flow, rate is bursty but short, variable size. E.g. DNS queries; * certain types of locally-originated ICMP, ICMPv6; IGMP/MLD join/leave, * ARP. */ #define SO_TRAFFIC_CLASS 0x1086 /* Traffic service class (int) */ #define SO_TC_BK_SYS 100 /* lowest class */ #define SO_TC_BK 200 #define SO_TC_BE 0 #define SO_TC_RD 300 #define SO_TC_OAM 400 #define SO_TC_AV 500 #define SO_TC_RV 600 #define SO_TC_VI 700 #define SO_TC_VO 800 #define SO_TC_CTL 900 /* highest class */ #define SO_TC_MAX 10 /* Total # of traffic classes */ #ifdef XNU_KERNEL_PRIVATE #define _SO_TC_BK 1 /* deprecated */ #define _SO_TC_VI 2 /* deprecated */ #define _SO_TC_VO 3 /* deprecated */ #define _SO_TC_MAX 4 /* deprecated */ #define SO_VALID_TC(c) \ (c == SO_TC_BK_SYS || c == SO_TC_BK || c == SO_TC_BE || \ c == SO_TC_RD || c == SO_TC_OAM || c == SO_TC_AV || \ c == SO_TC_RV || c == SO_TC_VI || c == SO_TC_VO || \ c == SO_TC_CTL || c == SO_TC_NETSVC_SIG) #define SO_TC_UNSPEC ((int)-1) /* Traffic class not specified */ #define SO_TC_SIG SO_TC_VI /* to be removed XXX */ #define SOTCIX_BK_SYS 0 #define SOTCIX_BK 1 #define SOTCIX_BE 2 #define SOTCIX_RD 3 #define SOTCIX_OAM 4 #define SOTCIX_AV 5 #define SOTCIX_RV 6 #define SOTCIX_VI 7 #define SOTCIX_VO 8 #define SOTCIX_CTL 9 #endif /* XNU_KERNEL_PRIVATE */ /* Background socket configuration flags */ #define TRAFFIC_MGT_SO_BACKGROUND 0x0001 /* background socket */ #define TRAFFIC_MGT_TCP_RECVBG 0x0002 /* Only TCP sockets, receiver throttling */ #define SO_RECV_TRAFFIC_CLASS 0x1087 /* Receive traffic class (bool) */ #define SO_TRAFFIC_CLASS_DBG 0x1088 /* Debug traffic class (struct so_tcdbg) */ #define SO_OPTION_UNUSED_0 0x1089 /* Traffic class statistics */ #define SO_PRIVILEGED_TRAFFIC_CLASS 0x1090 /* Privileged traffic class (bool) */ #define SO_DEFUNCTIT 0x1091 /* Defunct a socket (only in internal builds) */ #define SO_DEFUNCTOK 0x1100 /* can be defunct'd */ #define SO_ISDEFUNCT 0x1101 /* get defunct status */ #define SO_OPPORTUNISTIC 0x1102 /* deprecated; use SO_TRAFFIC_CLASS */ /* * SO_FLUSH flushes any unsent data generated by a given socket. It takes * an integer parameter, which can be any of the SO_TC traffic class values, * or the special SO_TC_ALL value. */ #define SO_FLUSH 0x1103 /* flush unsent data (int) */ #define SO_TC_ALL (-1) #define SO_RECV_ANYIF 0x1104 /* unrestricted inbound processing */ #define SO_TRAFFIC_MGT_BACKGROUND 0x1105 /* Background traffic management */ #define SO_FLOW_DIVERT_TOKEN 0x1106 /* flow divert token */ #define SO_DELEGATED 0x1107 /* set socket as delegate (pid_t) */ #define SO_DELEGATED_UUID 0x1108 /* set socket as delegate (uuid_t) */ #define SO_NECP_ATTRIBUTES 0x1109 /* NECP socket attributes (domain, account, etc.) */ #define SO_CFIL_SOCK_ID 0x1110 /* get content filter socket ID (cfil_sock_id_t) */ #define SO_NECP_CLIENTUUID 0x1111 /* NECP Client uuid */ #endif /* PRIVATE */ #define SO_NUMRCVPKT 0x1112 /* number of datagrams in receive socket buffer */ #ifdef PRIVATE #define SO_AWDL_UNRESTRICTED 0x1113 /* try to use AWDL in restricted mode */ #define SO_EXTENDED_BK_IDLE 0x1114 /* extended time to keep socket idle after app is suspended (int) */ #define SO_MARK_CELLFALLBACK 0x1115 /* Mark as initiated by cell fallback */ #endif /* PRIVATE */ #define SO_NET_SERVICE_TYPE 0x1116 /* Network service type */ #ifdef PRIVATE #define SO_QOSMARKING_POLICY_OVERRIDE 0x1117 /* int */ #define SO_INTCOPROC_ALLOW 0x1118 /* Try to use internal co-processor interfaces. */ #endif /* PRIVATE */ #define SO_NETSVC_MARKING_LEVEL 0x1119 /* Get QoS marking in effect for socket */ #ifdef PRIVATE #define SO_NECP_LISTENUUID 0x1120 /* NECP client UUID for listener */ #define SO_MPKL_SEND_INFO 0x1122 /* (struct so_mpkl_send_info) */ #define SO_STATISTICS_EVENT 0x1123 /* int64 argument, an event in statistics collection */ #define SO_WANT_KEV_SOCKET_CLOSED 0x1124 /* want delivery of KEV_SOCKET_CLOSED (int) */ #endif /* PRIVATE */ /* * 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 */ #if PRIVATE #define _NET_SERVICE_TYPE_COUNT 9 #define _NET_SERVICE_TYPE_UNSPEC ((int)-1) #define IS_VALID_NET_SERVICE_TYPE(c) \ (c >= NET_SERVICE_TYPE_BE && c <= NET_SERVICE_TYPE_RD) extern const int sotc_by_netservicetype[_NET_SERVICE_TYPE_COUNT]; /* * Facility to pass Network Service Type values using SO_TRAFFIC_CLASS * Mostly useful to simplify implementation of frameworks to adopt the new * Network Service Type values for Signaling. */ #define SO_TC_NET_SERVICE_OFFSET 10000 #define SO_TC_NETSVC_SIG (SO_TC_NET_SERVICE_OFFSET + NET_SERVICE_TYPE_SIG) #endif /* PRIVATE */ /* 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 */ #ifdef KERNEL_PRIVATE #define SONPX_MASK_VALID (SONPX_SETOPTSHUT) #define IS_SO_TC_BACKGROUND(_tc_) ((_tc_) == SO_TC_BK || (_tc_) == SO_TC_BK_SYS) #define IS_SO_TC_BACKGROUNDSYSTEM(_tc_) ((_tc_) == SO_TC_BK_SYS) #endif /* KERNEL_PRIVATE */ #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 */ #ifdef PRIVATE #define AF_AFP 36 /* Used by AFP */ #else #define AF_RESERVED_36 36 /* Reserved for internal usage */ #endif #define AF_IEEE80211 37 /* IEEE 802.11 protocol */ #define AF_UTUN 38 #ifdef PRIVATE #define AF_MULTIPATH 39 #endif /* PRIVATE */ #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 #ifdef PRIVATE #define PF_AFP AF_AFP #else #define PF_RESERVED_36 AF_RESERVED_36 #endif #define PF_UTUN AF_UTUN #ifdef PRIVATE #define PF_MULTIPATH AF_MULTIPATH #endif /* PRIVATE */ #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' */ #ifdef KERNEL_PRIVATE #define PF_BRIDGE ((uint32_t)0x62726467) /* 'brdg' */ #define PF_802154 ((uint32_t)0x38313534) /* '8154' */ #endif /* KERNEL_PRIVATE */ /* * 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) */ #ifdef KERNEL_PRIVATE #define CTL_NET_NAMES { \ { 0, 0 }, \ { "local", CTLTYPE_NODE }, \ { "inet", CTLTYPE_NODE }, \ { "implink", CTLTYPE_NODE }, \ { "pup", CTLTYPE_NODE }, \ { "chaos", CTLTYPE_NODE }, \ { "xerox_ns", CTLTYPE_NODE }, \ { "iso", CTLTYPE_NODE }, \ { "emca", CTLTYPE_NODE }, \ { "datakit", CTLTYPE_NODE }, \ { "ccitt", CTLTYPE_NODE }, \ { "ibm_sna", CTLTYPE_NODE }, \ { "decnet", CTLTYPE_NODE }, \ { "dec_dli", CTLTYPE_NODE }, \ { "lat", CTLTYPE_NODE }, \ { "hylink", CTLTYPE_NODE }, \ { "appletalk", CTLTYPE_NODE }, \ { "route", CTLTYPE_NODE }, \ { "link_layer", CTLTYPE_NODE }, \ { "xtp", CTLTYPE_NODE }, \ { "coip", CTLTYPE_NODE }, \ { "cnt", CTLTYPE_NODE }, \ { "rtip", CTLTYPE_NODE }, \ { "ipx", CTLTYPE_NODE }, \ { "sip", CTLTYPE_NODE }, \ { "pip", CTLTYPE_NODE }, \ { 0, 0 }, \ { "ndrv", CTLTYPE_NODE }, \ { "isdn", CTLTYPE_NODE }, \ { "key", CTLTYPE_NODE }, \ { "inet6", CTLTYPE_NODE }, \ { "natm", CTLTYPE_NODE }, \ { "sys", CTLTYPE_NODE }, \ { "netbios", CTLTYPE_NODE }, \ { "ppp", CTLTYPE_NODE }, \ { "hdrcomplete", CTLTYPE_NODE }, \ { "vsock", CTLTYPE_NODE }, \ } #endif /* KERNEL_PRIVATE */ #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. */ #ifdef PRIVATE #define NET_RT_DUMPX 8 /* private */ #define NET_RT_DUMPX_FLAGS 9 /* private */ #endif /* PRIVATE */ /* * 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) */ #ifdef PRIVATE /* These are supported values for SO_STATISTICS_EVENT */ #define SO_STATISTICS_EVENT_ENTER_CELLFALLBACK (1 << 0) #define SO_STATISTICS_EVENT_EXIT_CELLFALLBACK (1 << 1) #define SO_STATISTICS_EVENT_RESERVED_1 (1 << 2) #define SO_STATISTICS_EVENT_RESERVED_2 (1 << 3) #endif /* PRIVATE */ #ifdef KERNEL_PRIVATE #define CTL_NET_RT_NAMES { \ { 0, 0 }, \ { "dump", CTLTYPE_STRUCT }, \ { "flags", CTLTYPE_STRUCT }, \ { "iflist", CTLTYPE_STRUCT }, \ { "stat", CTLTYPE_STRUCT }, \ { "trash", CTLTYPE_INT }, \ { "iflist2", CTLTYPE_STRUCT }, \ { "dump2", CTLTYPE_STRUCT }, \ { "dumpx", CTLTYPE_STRUCT }, \ { "dumpx_flags", CTLTYPE_STRUCT }, \ } #endif /* KERNEL_PRIVATE */ /* * 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 */ }; #ifdef PRIVATE /* * Extended version for sendmsg_x() and recvmsg_x() calls * * For recvmsg_x(), the size of the data received is given by the field * msg_datalen. * * For sendmsg_x(), the size of the data to send is given by the length of * the iovec array -- like sendmsg(). The field msg_datalen is ignored. */ struct msghdr_x { void *msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ struct iovec *msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ void *msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ size_t msg_datalen; /* byte length of buffer in msg_iov */ }; #endif /* PRIVATE */ #ifdef XNU_KERNEL_PRIVATE /* * In-kernel representation of "struct msghdr" from * userspace. Has enough precision for 32-bit or * 64-bit clients, but does not need to be packed. */ struct user_msghdr { user_addr_t msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ user_addr_t msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ user_addr_t msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ }; /* * LP64 user version of struct msghdr. * WARNING - keep in sync with struct msghdr */ struct user64_msghdr { user64_addr_t msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ user64_addr_t msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ user64_addr_t msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ }; /* * ILP32 user version of struct msghdr. * WARNING - keep in sync with struct msghdr */ struct user32_msghdr { user32_addr_t msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ user32_addr_t msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ user32_addr_t msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ }; /* * In-kernel representation of "struct msghdr_x" from * userspace. Has enough precision for 32-bit or * 64-bit clients, but does not need to be packed. */ struct user_msghdr_x { user_addr_t msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ user_addr_t msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ user_addr_t msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ size_t msg_datalen; /* byte length of buffer in msg_iov */ }; /* * LP64 user version of struct msghdr_x * WARNING - keep in sync with struct msghdr_x */ struct user64_msghdr_x { user64_addr_t msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ user64_addr_t msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ user64_addr_t msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ user64_size_t msg_datalen; /* byte length of buffer in msg_iov */ }; /* * ILP32 user version of struct msghdr_x * WARNING - keep in sync with struct msghdr_x */ struct user32_msghdr_x { user32_addr_t msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ user32_addr_t msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ user32_addr_t msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ user32_size_t msg_datalen; /* byte length of buffer in msg_iov */ }; /* * In-kernel representation of "struct sa_endpoints" from * userspace. Has enough precision for 32-bit or * 64-bit clients, but does not need to be packed. */ struct user_sa_endpoints { unsigned int sae_srcif; /* optional source interface */ user_addr_t sae_srcaddr; /* optional source address */ socklen_t sae_srcaddrlen; /* size of source address */ user_addr_t sae_dstaddr; /* destination address */ socklen_t sae_dstaddrlen; /* size of destination address */ }; /* * LP64 user version of struct sa_endpoints * WARNING - keep in sync with struct sa_endpoints */ struct user64_sa_endpoints { unsigned int sae_srcif; /* optional source interface */ user64_addr_t sae_srcaddr; /* optional source address */ socklen_t sae_srcaddrlen; /* size of source address */ user64_addr_t sae_dstaddr; /* destination address */ socklen_t sae_dstaddrlen; /* size of destination address */ }; /* * ILP32 user version of struct sa_endpoints * WARNING - keep in sync with struct sa_endpoints */ struct user32_sa_endpoints { unsigned int sae_srcif; /* optional source interface */ user32_addr_t sae_srcaddr; /* optional source address */ socklen_t sae_srcaddrlen; /* size of source address */ user32_addr_t sae_dstaddr; /* destination address */ socklen_t sae_dstaddrlen; /* size of destination address */ }; #endif /* XNU_KERNEL_PRIVATE */ #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__ #ifndef PRIVATE #ifdef __APPLE_API_OBSOLETE #define MSG_WAITSTREAM 0x200 /* wait up to full request.. may return partial */ #endif #else #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 #ifdef KERNEL_PRIVATE #define MSG_COMPAT 0x8000 /* deprecated */ #endif /* KERNEL_PRIVATE */ #define MSG_NEEDSA 0x10000 /* Fail receive if socket address cannot be allocated */ #ifdef KERNEL_PRIVATE #define MSG_NBIO 0x20000 /* FIONBIO mode, used by fifofs */ #define MSG_SKIPCFIL 0x40000 /* skip pass content filter */ #endif #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) #ifdef KERNEL #define MSG_USEUPCALL 0x80000000 /* Inherit upcall in sock_accept */ #endif #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)) #ifdef KERNEL #define CMSG_ALIGN(n) ((typeof(n))__DARWIN_ALIGN32(n)) #endif #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) */ #ifdef PRIVATE #define SCM_TIMESTAMP_CONTINUOUS 0x07 /* timestamp (uint64_t) */ #define SCM_MPKL_SEND_INFO 0x08 /* send info for multi-layer packet logging (struct so_mpkl_send_info) */ #define SCM_MPKL_RECV_INFO 0x09 /* receive info for multi-layer packet logging (struct so_mpkl_recv_info */ #endif /* PRIVATE */ #ifdef KERNEL_PRIVATE /* * 4.3 compat sockaddr (deprecated) */ struct osockaddr { __uint16_t sa_family; /* address family */ char sa_data[14]; /* up to 14 bytes of direct address */ }; /* * 4.3-compat message header (deprecated) */ struct omsghdr { void *msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ struct iovec *msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ void *msg_accrights; /* access rights sent/rcvd */ int msg_accrightslen; }; #define SA(s) ((struct sockaddr *)(void *)(s)) #endif /* KERNEL_PRIVATE */ #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 */ }; #ifdef KERNEL /* In-kernel representation */ struct user_sf_hdtr { user_addr_t headers; /* pointer to an array of header struct iovec's */ int hdr_cnt; /* number of header iovec's */ user_addr_t trailers; /* pointer to an array of trailer struct iovec's */ int trl_cnt; /* number of trailer iovec's */ }; /* LP64 user version of struct sf_hdtr */ struct user64_sf_hdtr { user64_addr_t headers; /* pointer to an array of header struct iovec's */ int hdr_cnt; /* number of header iovec's */ user64_addr_t trailers; /* pointer to an array of trailer struct iovec's */ int trl_cnt; /* number of trailer iovec's */ }; /* ILP32 user version of struct sf_hdtr */ struct user32_sf_hdtr { user32_addr_t headers; /* pointer to an array of header struct iovec's */ int hdr_cnt; /* number of header iovec's */ user32_addr_t trailers; /* pointer to an array of trailer struct iovec's */ int trl_cnt; /* number of trailer iovec's */ }; #endif /* KERNEL */ #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #ifdef PRIVATE #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * Structure for SIOCGASSOCIDS */ struct so_aidreq { __uint32_t sar_cnt; /* number of associations */ sae_associd_t *sar_aidp; /* array of association IDs */ }; #ifdef BSD_KERNEL_PRIVATE struct so_aidreq32 { __uint32_t sar_cnt; user32_addr_t sar_aidp; }; struct so_aidreq64 { __uint32_t sar_cnt; user64_addr_t sar_aidp __attribute__((aligned(8))); }; #endif /* BSD_KERNEL_PRIVATE */ /* * Structure for SIOCGCONNIDS */ struct so_cidreq { sae_associd_t scr_aid; /* association ID */ __uint32_t scr_cnt; /* number of connections */ sae_connid_t *scr_cidp; /* array of connection IDs */ }; #ifdef BSD_KERNEL_PRIVATE struct so_cidreq32 { sae_associd_t scr_aid; __uint32_t scr_cnt; user32_addr_t scr_cidp; }; struct so_cidreq64 { sae_associd_t scr_aid; __uint32_t scr_cnt; user64_addr_t scr_cidp __attribute__((aligned(8))); }; #endif /* BSD_KERNEL_PRIVATE */ /* * Structure for SIOCGCONNINFO */ struct so_cinforeq { sae_connid_t scir_cid; /* connection ID */ __uint32_t scir_flags; /* see flags below */ __uint32_t scir_ifindex; /* (last) outbound interface */ __int32_t scir_error; /* most recent error */ struct sockaddr *scir_src; /* source address */ socklen_t scir_src_len; /* source address len */ struct sockaddr *scir_dst; /* destination address */ socklen_t scir_dst_len; /* destination address len */ __uint32_t scir_aux_type; /* aux data type (CIAUX) */ void *scir_aux_data; /* aux data */ __uint32_t scir_aux_len; /* aux data len */ }; #ifdef BSD_KERNEL_PRIVATE struct so_cinforeq32 { sae_connid_t scir_cid; __uint32_t scir_flags; __uint32_t scir_ifindex; __int32_t scir_error; user32_addr_t scir_src; socklen_t scir_src_len; user32_addr_t scir_dst; socklen_t scir_dst_len; __uint32_t scir_aux_type; user32_addr_t scir_aux_data; __uint32_t scir_aux_len; }; struct so_cinforeq64 { sae_connid_t scir_cid; __uint32_t scir_flags; __uint32_t scir_ifindex; __int32_t scir_error; user64_addr_t scir_src __attribute__((aligned(8))); socklen_t scir_src_len; user64_addr_t scir_dst __attribute__((aligned(8))); socklen_t scir_dst_len; __uint32_t scir_aux_type; user64_addr_t scir_aux_data __attribute__((aligned(8))); __uint32_t scir_aux_len; }; #endif /* BSD_KERNEL_PRIVATE */ /* valid connection info flags */ #define CIF_CONNECTING 0x1 /* connection was attempted */ #define CIF_CONNECTED 0x2 /* connection is established */ #define CIF_DISCONNECTING 0x4 /* disconnection was attempted */ #define CIF_DISCONNECTED 0x8 /* has been disconnected */ #define CIF_BOUND_IF 0x10 /* bound to an interface */ #define CIF_BOUND_IP 0x20 /* bound to a src address */ #define CIF_BOUND_PORT 0x40 /* bound to a src port */ #define CIF_PREFERRED 0x80 /* connection is primary/preferred */ #define CIF_MP_CAPABLE 0x100 /* supports multipath protocol */ #define CIF_MP_READY 0x200 /* multipath protocol confirmed */ #define CIF_MP_DEGRADED 0x400 /* has lost its multipath capability */ #define CIF_MP_ACTIVE 0x800 /* this is the active subflow */ /* valid connection info auxiliary data types */ #define CIAUX_TCP 0x1 /* TCP auxiliary data (conninfo_tcp_t) */ #define CIAUX_MPTCP 0x2 /* MPTCP auxiliary data (conninfo_multipathtcp) */ /* * Structure for SIOC{S,G}CONNORDER */ struct so_cordreq { sae_connid_t sco_cid; /* connection ID */ __uint32_t sco_rank; /* rank (0 means unspecified) */ }; /* * Common structure for KEV_NETPOLICY_SUBCLASS */ struct netpolicy_event_data { __uint64_t eupid; /* effective unique PID */ __uint64_t epid; /* effective PID */ uuid_t euuid; /* effective UUID */ }; /* * NETPOLICY_IFDENIED event structure */ struct kev_netpolicy_ifdenied { struct netpolicy_event_data ev_data; __uint32_t ev_if_functional_type; }; /* * KEV_NETPOLICY_NETDENIED event structure */ struct kev_netpolicy_netdenied { struct netpolicy_event_data ev_data; __uint32_t ev_network_type; }; /* * Network Service Type to DiffServ Code Point mapping */ struct netsvctype_dscp_map { int netsvctype; u_int8_t dscp; /* 6 bits diffserv code point */ }; /* * Multi-layer packet logging require SO_MPK_LOG to be set */ struct so_mpkl_send_info { uuid_t mpkl_uuid; __uint8_t mpkl_proto; /* see net/multi_layer_pkt_log.h */ }; struct so_mpkl_recv_info { __uint32_t mpkl_seq; __uint8_t mpkl_proto; /* see net/multi_layer_pkt_log.h */ }; #ifndef KERNEL __BEGIN_DECLS extern int peeloff(int s, sae_associd_t); extern int socket_delegate(int, int, int, pid_t); /* * recvmsg_x() is a system call similar to recvmsg(2) to receive * several datagrams at once in the array of message headers "msgp". * * recvmsg_x() can be used only with protocols handlers that have been specially * modified to support sending and receiving several datagrams at once. * * The size of the array "msgp" is given by the argument "cnt". * * The "flags" arguments supports only the value MSG_DONTWAIT. * * Each member of "msgp" array is of type "struct msghdr_x". * * The "msg_iov" and "msg_iovlen" are input parameters that describe where to * store a datagram in a scatter gather locations of buffers -- see recvmsg(2). * On output the field "msg_datalen" gives the length of the received datagram. * * The field "msg_flags" must be set to zero on input. On output, "msg_flags" * may have MSG_TRUNC set to indicate the trailing portion of the datagram was * discarded because the datagram was larger than the buffer supplied. * recvmsg_x() returns as soon as a datagram is truncated. * * recvmsg_x() may return with less than "cnt" datagrams received based on * the low water mark and the amount of data pending in the socket buffer. * * recvmsg_x() returns the number of datagrams that have been received, * or -1 if an error occurred. * * NOTE: This a private system call, the API is subject to change. */ ssize_t recvmsg_x(int s, const struct msghdr_x *msgp, u_int cnt, int flags); /* * sendmsg_x() is a system call similar to send(2) to send * several datagrams at once in the array of message headers "msgp". * * sendmsg_x() can be used only with protocols handlers that have been specially * modified to support sending and receiving several datagrams at once. * * The size of the array "msgp" is given by the argument "cnt". * * The "flags" arguments supports only the value MSG_DONTWAIT. * * Each member of "msgp" array is of type "struct msghdr_x". * * The "msg_iov" and "msg_iovlen" are input parameters that specify the * data to be sent in a scatter gather locations of buffers -- see sendmsg(2). * * sendmsg_x() fails with EMSGSIZE if the sum of the length of the datagrams * is greater than the high water mark. * * Address and ancillary data are not supported so the following fields * must be set to zero on input: * "msg_name", "msg_namelen", "msg_control" and "msg_controllen". * * The field "msg_flags" and "msg_datalen" must be set to zero on input. * * sendmsg_x() returns the number of datagrams that have been sent, * or -1 if an error occurred. * * NOTE: This a private system call, the API is subject to change. */ ssize_t sendmsg_x(int s, const struct msghdr_x *msgp, u_int cnt, int flags); __END_DECLS #endif /* !KERNEL */ #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #endif /* PRIVATE */ #ifndef KERNEL __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 /* !KERNEL */ #ifdef KERNEL #include <sys/kpi_socket.h> #endif #endif /* !_SYS_SOCKET_H_ */ |