/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* @(#)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/types.h>
#include <sys/cdefs.h>
+#include <machine/_param.h>
+
+#ifdef PRIVATE
+#include <sys/param.h>
+#endif /* PRIVATE */
-#define _NO_NAMESPACE_POLLUTION
-#include <machine/param.h>
-#undef _NO_NAMESPACE_POLLUTION
+#ifndef KERNEL
+#include <Availability.h>
+#endif
/*
* Definitions related to sockets: types, address families, options.
size_t iov_len; /* [XSI] Size of region iov_base points to */
};
#endif
+
+#ifdef PRIVATE
+#define SO_TCDBG_PID 0x01 /* Set/get traffic class for PID */
+#define SO_TCDBG_PNAME 0x02 /* Set/get traffic class for processes of that name */
+#define SO_TCDBG_PURGE 0x04 /* Purge entries for unused PIDs */
+#define SO_TCDBG_FLUSH 0x08 /* Flush all entries */
+#define SO_TCDBG_COUNT 0x10 /* Get count of entries */
+#define SO_TCDBG_LIST 0x20 /* List entries */
+#define SO_TCDBG_DELETE 0x40 /* Delete a process entry */
+#define SO_TCDBG_TCFLUSH_PID 0x80 /* Flush traffic class for PID */
+
+struct so_tcdbg {
+ u_int32_t so_tcdbg_cmd;
+ int32_t so_tcdbg_tclass;
+ u_int32_t so_tcdbg_count;
+ pid_t so_tcdbg_pid;
+ char so_tcdbg_pname[MAXCOMLEN + 1];
+ int32_t so_tcdbg_opportunistic; /* -1: unspecified, 0: off, 1: on, other: errors */
+};
+#endif /* PRIVATE */
/*
* 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 */
/*
#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) */
#else
#define SO_LINGER 0x1080 /* linger on close if data present (in seconds) */
-#endif /* !_POSIX_C_SOURCE */
+#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 */
/* (ATOMIC proto) */
-#define SO_WANTMORE 0x4000 /* APPLE: Give hint when more data ready */
+#define SO_WANTMORE 0x4000 /* APPLE: Give hint when more data ready */
#define SO_WANTOOBFLAG 0x8000 /* APPLE: Want OOB in MSG_FLAG on receive */
-#endif
-#endif /* !_POSIX_C_SOURCE */
+
+#endif /* (!__APPLE__) */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* Additional options, not kept in so_options.
#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
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*efine SO_PRIVSTATE 0x1009 get/deny privileged state */
+#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_REUSESHAREUID 0x1025 /* APPLE: Allow reuse of port/socket by different userids */
+#ifdef __APPLE_API_PRIVATE
+#define SO_NOTIFYCONFLICT 0x1026 /* APPLE: send notification if there is a bind on a port which is already in use */
+#define SO_UPCALLCLOSEWAIT 0x1027 /* APPLE: block on close until an upcall returns */
+#endif
#define SO_LINGER_SEC 0x1080 /* linger on close if data present (in seconds) */
+#define SO_RESTRICTIONS 0x1081 /* APPLE: deny inbound/outbound/both/flag set */
+#define SO_RESTRICT_DENYIN 0x00000001 /* flag for SO_RESTRICTIONS - deny inbound */
+#define SO_RESTRICT_DENYOUT 0x00000002 /* flag for SO_RESTRICTIONS - deny outbound */
+#define SO_RESTRICT_DENYSET 0x80000000 /* flag for SO_RESTRICTIONS - deny has been set */
+#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)
+#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_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 */
+#endif /* PRIVATE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* Structure used for manipulating linger option.
};
#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)
+#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 */
#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 */
#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 */
+#ifdef __APPLE__
+#define AF_UTUN 38
+#endif
+#define AF_MAX 39
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* [XSI] Structure used by kernel to store most addresses.
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 */
/*
__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
#define PF_NETGRAPH AF_NETGRAPH
#endif
+#ifdef __APPLE__
+#define PF_UTUN AF_UTUN
+#endif
#define PF_MAX AF_MAX
/*
*/
#define PF_VLAN ((uint32_t)0x766c616e) /* 'vlan' */
#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.
*
* 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 { \
{ "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
*
* 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 { \
{ "trash", CTLTYPE_INT }, \
{ "iflist2", CTLTYPE_STRUCT }, \
{ "dump2", CTLTYPE_STRUCT }, \
+ { "dumpx", CTLTYPE_STRUCT }, \
+ { "dumpx_flags", CTLTYPE_STRUCT }, \
}
-#endif KERNEL_PRIVATE
+#endif /* KERNEL_PRIVATE */
/*
* Maximum queue length specifiable by listen.
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
+/*
+ * 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 __attribute((aligned(8))); /* scatter/gather array */
+ 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 */
- user_addr_t msg_control __attribute((aligned(8))); /* ancillary data, see below */
+ 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 */
+};
+
#endif // KERNEL
#define MSG_OOB 0x1 /* process out-of-band data */
#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__
+#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() */
+#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 */
#ifdef KERNEL
#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.
/* 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
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)))
-/* 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)))
+/*
+ * 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)
-#define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
-#ifndef _POSIX_C_SOURCE
+/*
+ * 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) (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 KERNEL_PRIVATE
/*
- * 4.3 compat sockaddr, move to compat file later
+ * 4.3 compat sockaddr (deprecated)
*/
struct osockaddr {
__uint16_t sa_family; /* address family */
};
/*
- * 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 */
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.
#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
*/
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 */
#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 *);
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+__END_DECLS
#endif /* !KERNEL */
#ifdef KERNEL
projects / apple / xnu.git / blobdiff