X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/21362eb3e66fd2c787aee132bce100a44d71a99c..d26ffc64f583ab2d29df48f13518685602bc8832:/bsd/sys/socket.h?ds=sidebyside diff --git a/bsd/sys/socket.h b/bsd/sys/socket.h index 5e1b2545a..3602f7764 100644 --- a/bsd/sys/socket.h +++ b/bsd/sys/socket.h @@ -1,8 +1,8 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2016 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 @@ -11,10 +11,10 @@ * 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, @@ -22,7 +22,7 @@ * 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 */ @@ -62,16 +62,29 @@ * @(#)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 +#include #include +#include +#include -#define _NO_NAMESPACE_POLLUTION -#include -#undef _NO_NAMESPACE_POLLUTION +#ifdef PRIVATE +#include +#include +#endif /* PRIVATE */ + +#ifndef KERNEL +#include +#endif /* * Definitions related to sockets: types, address families, options. @@ -80,63 +93,33 @@ /* * Data types. */ -#ifndef _GID_T -typedef __darwin_gid_t gid_t; -#define _GID_T -#endif -#ifndef _OFF_T -typedef __darwin_off_t off_t; -#define _OFF_T -#endif - -#ifndef _PID_T -typedef __darwin_pid_t pid_t; -#define _PID_T -#endif - -#ifndef _SA_FAMILY_T -#define _SA_FAMILY_T -typedef __uint8_t sa_family_t; -#endif - -#ifndef _SOCKLEN_T -#define _SOCKLEN_T -typedef __darwin_socklen_t socklen_t; -#endif +#include +#include +#include +#include +#include /* XXX Not explicitly defined by POSIX, but function return types are */ -#ifndef _SIZE_T -#define _SIZE_T -typedef __darwin_size_t size_t; -#endif - +#include + /* XXX Not explicitly defined by POSIX, but function return types are */ -#ifndef _SSIZE_T -#define _SSIZE_T -typedef __darwin_ssize_t ssize_t; -#endif +#include /* * [XSI] The iovec structure shall be defined as described in . */ -#ifndef _STRUCT_IOVEC -#define _STRUCT_IOVEC -struct iovec { - void * iov_base; /* [XSI] Base address of I/O memory region */ - size_t iov_len; /* [XSI] Size of region iov_base points to */ -}; -#endif - +#include + /* * Types */ #define SOCK_STREAM 1 /* stream socket */ #define SOCK_DGRAM 2 /* datagram socket */ #define SOCK_RAW 3 /* raw-protocol interface */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define SOCK_RDM 4 /* reliably-delivered message */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define SOCK_SEQPACKET 5 /* sequenced packet stream */ /* @@ -148,48 +131,354 @@ struct iovec { #define SO_KEEPALIVE 0x0008 /* keep connections alive */ #define SO_DONTROUTE 0x0010 /* just use interface addresses */ #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ -#ifndef _POSIX_C_SOURCE +#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) */ +#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 */ +#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 */ -#ifndef _POSIX_C_SOURCE +#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 */ +#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 */ +#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 */ #endif -#endif /* !_POSIX_C_SOURCE */ + +#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_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 */ -#ifndef _POSIX_C_SOURCE -/*efine SO_PRIVSTATE 0x1009 get/deny privileged state */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define SO_LABEL 0x1010 /* socket's MAC label */ +#define SO_PEERLABEL 0x1011 /* socket's peer MAC label */ #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_LINGER_SEC 0x1080 /* linger on close if data present (in seconds) */ +#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) */ +#endif /* PRIVATE */ +#define SO_RANDOMPORT 0x1082 /* APPLE: request local port randomization */ +#define SO_NP_EXTENSIONS 0x1083 /* To turn off some POSIX behavior */ #endif -#endif /* !_POSIX_C_SOURCE */ + +#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) + +#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_TRAFFIC_CLASS_STATS 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 */ + +/* + * 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 SO_NET_SERVICE_TYPE 0x1116 /* Network service type */ + +#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 SO_QOSMARKING_POLICY_OVERRIDE 0x1117 /* int */ +#define SO_INTCOPROC_ALLOW 0x1118 /* Try to use internal co-processor interfaces. */ + +#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 */ + +#define SO_NETSVC_MARKING_LEVEL 0x1119 /* Get QoS marking in effect for socket */ + +#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. @@ -206,21 +495,45 @@ struct accept_filter_arg { }; #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) */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define AF_LOCAL AF_UNIX /* backward compatibility */ -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ -#ifndef _POSIX_C_SOURCE +#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 */ @@ -231,9 +544,9 @@ struct accept_filter_arg { #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_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 */ @@ -241,42 +554,35 @@ struct accept_filter_arg { #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 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 */ -#ifdef __APPLE__ -/*define pseudo_AF_BLUE 26 Identify packets for Blue Box - Not used */ -#define AF_NDRV 27 /* Network Driver 'raw' access */ -#endif -#define AF_ISDN 28 /* Integrated Services Digital Network*/ +#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 */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #define AF_INET6 30 /* IPv6 */ -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define AF_NATM 31 /* native ATM access */ -#ifdef __APPLE__ -#define AF_SYSTEM 32 /* Kernel event messages */ -#define AF_NETBIOS 33 /* NetBIOS */ -#define AF_PPP 34 /* PPP communication protocol */ -#else -#define AF_ATM 30 /* ATM */ -#endif -#define pseudo_AF_HDRCMPLT 35 /* Used by BPF to not rewrite headers - * in interface output routine - */ +#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 */ +#define AF_AFP 36 /* Used by AFP */ #else -#define AF_RESERVED_36 36 /* Reserved for internal usage */ +#define AF_RESERVED_36 36 /* Reserved for internal usage */ #endif - -#ifndef __APPLE__ -#define AF_NETGRAPH 32 /* Netgraph sockets */ -#endif -#define AF_MAX 37 -#endif /* !_POSIX_C_SOURCE */ +#define AF_IEEE80211 37 /* IEEE 802.11 protocol */ +#define AF_UTUN 38 +#ifdef PRIVATE +#define AF_MULTIPATH 39 +#endif /* PRIVATE */ +#define AF_MAX 40 +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * [XSI] Structure used by kernel to store most addresses. @@ -287,7 +593,7 @@ struct sockaddr { char sa_data[14]; /* [XSI] addr value (actually larger) */ }; -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define SOCK_MAXADDRLEN 255 /* longest possible addresses */ /* @@ -298,7 +604,7 @@ struct sockproto { __uint16_t sp_family; /* address family */ __uint16_t sp_protocol; /* protocol */ }; -#endif /* !_POSIX_C_SOURCE*/ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * RFC 2553: protocol-independent placeholder for socket addresses @@ -339,9 +645,9 @@ struct sockaddr_storage { #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_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 @@ -351,37 +657,35 @@ struct sockaddr_storage { #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 -#ifdef __APPLE__ -#define PF_NDRV AF_NDRV -#endif +#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 -#ifdef __APPLE__ -#define PF_SYSTEM AF_SYSTEM -#define PF_NETBIOS AF_NETBIOS -#define PF_PPP AF_PPP +#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_AFP AF_AFP #else -#define PF_ATM AF_ATM -#define PF_NETGRAPH AF_NETGRAPH +#define PF_RESERVED_36 AF_RESERVED_36 #endif - +#define PF_UTUN AF_UTUN +#ifdef PRIVATE +#define PF_MULTIPATH AF_MULTIPATH +#endif /* PRIVATE */ #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' */ +#define PF_BOND ((uint32_t)0x626f6e64) /* 'bond' */ +#ifdef KERNEL_PRIVATE +#define PF_BRIDGE ((uint32_t)0x62726467) /* 'brdg' */ +#endif /* KERNEL_PRIVATE */ /* * Definitions for network related sysctl, CTL_NET. @@ -391,11 +695,12 @@ struct sockaddr_storage { * * Further levels are defined by the individual families below. */ -#define NET_MAXID AF_MAX - +#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 { \ +#define CTL_NET_NAMES { \ { 0, 0 }, \ { "local", CTLTYPE_NODE }, \ { "inet", CTLTYPE_NODE }, \ @@ -433,8 +738,9 @@ struct sockaddr_storage { { "ppp", CTLTYPE_NODE }, \ { "hdrcomplete", CTLTYPE_NODE }, \ } -#endif KERNEL_PRIVATE +#endif /* KERNEL_PRIVATE */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* * PF_ROUTE - Routing table * @@ -443,17 +749,22 @@ struct sockaddr_storage { * 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. */ -#define NET_RT_MAXID 8 +#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 */ +#define NET_RT_MAXID 10 +#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #ifdef KERNEL_PRIVATE -#define CTL_NET_RT_NAMES { \ +#define CTL_NET_RT_NAMES { \ { 0, 0 }, \ { "dump", CTLTYPE_STRUCT }, \ { "flags", CTLTYPE_STRUCT }, \ @@ -461,10 +772,12 @@ struct sockaddr_storage { { "stat", CTLTYPE_STRUCT }, \ { "trash", CTLTYPE_INT }, \ { "iflist2", CTLTYPE_STRUCT }, \ - { "dump2", CTLTYPE_STRUCT }, \ + { "dump2", CTLTYPE_STRUCT }, \ + { "dumpx", CTLTYPE_STRUCT }, \ + { "dumpx_flags", CTLTYPE_STRUCT }, \ } -#endif KERNEL_PRIVATE +#endif /* KERNEL_PRIVATE */ /* * Maximum queue length specifiable by listen. @@ -485,15 +798,34 @@ struct msghdr { int msg_flags; /* [XSI] flags on received message */ }; -// LP64todo - should this move? -#ifdef KERNEL -/* LP64 version of struct msghdr. all pointers - * grow when we're dealing with a 64-bit process. - * WARNING - keep in sync with struct msghdr +#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. */ -#if __DARWIN_ALIGN_NATURAL -#pragma options align=natural -#endif struct user_msghdr { user_addr_t msg_name; /* optional address */ @@ -505,11 +837,126 @@ struct user_msghdr { int msg_flags; /* flags on received message */ }; -#if __DARWIN_ALIGN_NATURAL -#pragma options align=reset -#endif +/* + * LP64 user version of struct msghdr. + * WARNING - keep in sync with struct msghdr + */ -#endif // KERNEL +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 */ @@ -518,26 +965,35 @@ struct user_msghdr { #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 */ -#ifndef _POSIX_C_SOURCE +#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__ -#define MSG_WAITSTREAM 0x200 /* wait up to full request.. may return partial */ -#define MSG_FLUSH 0x400 /* Start of 'hold' seq; dump so_temp */ -#define MSG_HOLD 0x800 /* Hold frag in so_temp */ -#define MSG_SEND 0x1000 /* Send the packet in so_temp */ -#define MSG_HAVEMORE 0x2000 /* Data ready to be read */ -#define MSG_RCVMORE 0x4000 /* Data remains in current pkt */ +#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 */ +#define MSG_HOLD 0x800 /* Hold frag in so_temp */ +#define MSG_SEND 0x1000 /* Send the packet in so_temp */ +#define MSG_HAVEMORE 0x2000 /* Data ready to be read */ +#define MSG_RCVMORE 0x4000 /* Data remains in current pkt */ #endif -#define MSG_COMPAT 0x8000 /* used in sendit() */ -#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_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 #ifdef KERNEL -#define MSG_USEUPCALL 0x80000000 /* Inherit upcall in sock_accept */ +#define MSG_USEUPCALL 0x80000000 /* Inherit upcall in sock_accept */ #endif -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* * Header for ancillary data objects in msg_control buffer. @@ -552,14 +1008,14 @@ struct cmsghdr { /* followed by unsigned char cmsg_data[]; */ }; -#ifndef _POSIX_C_SOURCE +#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 + */ +#define CMGROUP_MAX 16 /* * Credentials structure, used to verify the identity of a peer @@ -577,40 +1033,62 @@ struct cmsgcred { gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ }; #endif -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* given pointer to struct cmsghdr, return pointer to data */ #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ - ALIGN(sizeof(struct cmsghdr))) + __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 */ -#define CMSG_NXTHDR(mhdr, cmsg) \ - (((unsigned char *)(cmsg) + ALIGN((cmsg)->cmsg_len) + \ - ALIGN(sizeof(struct cmsghdr)) > \ - (unsigned char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ - (struct cmsghdr *)0 /* NULL */ : \ - (struct cmsghdr *)((unsigned char *)(cmsg) + ALIGN((cmsg)->cmsg_len))) -#define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control) +/* + * 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)))) -#ifndef _POSIX_C_SOURCE +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) /* RFC 2292 additions */ -#define CMSG_SPACE(l) (ALIGN(sizeof(struct cmsghdr)) + ALIGN(l)) -#define CMSG_LEN(l) (ALIGN(sizeof(struct cmsghdr)) + (l)) +#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) ALIGN(n) +#define CMSG_ALIGN(n) __DARWIN_ALIGN32(n) #endif -#endif /* !_POSIX_C_SOURCE */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ /* "Socket"-level control message types: */ -#define SCM_RIGHTS 0x01 /* access rights (array of int) */ -#ifndef _POSIX_C_SOURCE -#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ -#define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ +#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_SEQNUM 0x05 /* TCP unordered recv seq no */ +#define SCM_MSG_PRIORITY 0x06 /* TCP unordered snd priority */ +#endif /* PRIVATE */ +#ifdef KERNEL_PRIVATE /* - * 4.3 compat sockaddr, move to compat file later + * 4.3 compat sockaddr (deprecated) */ struct osockaddr { __uint16_t sa_family; /* address family */ @@ -618,9 +1096,8 @@ struct osockaddr { }; /* - * 4.3-compat message header (move to compat file later). + * 4.3-compat message header (deprecated) */ - // LP64todo - fix this. should msg_iov be * iovec_64? struct omsghdr { void *msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ @@ -629,7 +1106,10 @@ struct omsghdr { void *msg_accrights; /* access rights sent/rcvd */ int msg_accrightslen; }; -#endif /* !_POSIX_C_SOURCE */ + +#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. @@ -638,8 +1118,7 @@ struct omsghdr { #define SHUT_WR 1 /* shut down the writing side */ #define SHUT_RDWR 2 /* shut down both sides */ -#ifndef _POSIX_C_SOURCE -#if SENDFILE +#if !defined(_POSIX_C_SOURCE) /* * sendfile(2) header/trailer struct */ @@ -649,46 +1128,312 @@ struct sf_hdtr { struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ int trl_cnt; /* number of trailer iovec's */ }; -#endif + +#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 */ +#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_mptcp_t) */ + +/* + * 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 */ + pid_t epid; /* effective PID */ +#if !defined(__LP64__) + __uint32_t pad; +#endif /* __LP64__ */ + 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; +}; + +/* + * Common structure for KEV_SOCKET_SUBCLASS + */ +struct kev_socket_event_data { + struct sockaddr_storage kev_sockname; + struct sockaddr_storage kev_peername; +}; + +struct kev_socket_closed { + struct kev_socket_event_data ev_data; +}; + +/* + * Network Service Type to DiffServ Code Point mapping + */ +struct netsvctype_dscp_map { + int netsvctype; + u_int8_t dscp; /* 6 bits diffserv code point */ +}; + +#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(accept); + __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( connect); +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(recv); +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(recvfrom); -ssize_t recvmsg(int, struct msghdr *, int) __DARWIN_ALIAS(recvmsg); -ssize_t send(int, const void *, size_t, int) __DARWIN_ALIAS(send); -ssize_t sendmsg(int, const struct msghdr *, int) __DARWIN_ALIAS(sendmsg); + 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(sendto); + 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); -/* - * NOTIMP: - * int sockatmark(int s); - */ -#ifndef _POSIX_C_SOURCE -#if SENDFILE -int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int); -#endif -void pfctlinput(int, struct sockaddr *); +#if !defined(_POSIX_C_SOURCE) +int sendfile(int, int, off_t, off_t *, struct sf_hdtr *, int); #endif /* !_POSIX_C_SOURCE */ -__END_DECLS +#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