Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. =================================================================== RCS file: /ftp/cvs/cvsroot/src/sys/sys/socket.h,v rcsdiff: /ftp/cvs/cvsroot/src/sys/sys/socket.h,v: warning: Unknown phrases like `commitid ...;' are present. retrieving revision 1.12 retrieving revision 1.64 diff -u -p -r1.12 -r1.64 --- src/sys/sys/socket.h 1995/03/29 22:10:11 1.12 +++ src/sys/sys/socket.h 2001/10/22 17:53:44 1.64 @@ -1,4 +1,33 @@ -/* $NetBSD: socket.h,v 1.12 1995/03/29 22:10:11 briggs Exp $ */ +/* $NetBSD: socket.h,v 1.64 2001/10/22 17:53:44 kleink Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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. + */ /* * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 @@ -32,7 +61,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)socket.h 8.4 (Berkeley) 2/21/94 + * @(#)socket.h 8.6 (Berkeley) 5/3/95 */ #ifndef _SYS_SOCKET_H_ @@ -43,7 +72,36 @@ */ /* - * Types + * Data types. + */ +#include + +#ifndef sa_family_t +typedef __sa_family_t sa_family_t; +#define sa_family_t __sa_family_t +#endif + +#ifndef socklen_t +typedef __socklen_t socklen_t; +#define socklen_t __socklen_t +#endif + +#include + +#ifdef _BSD_SIZE_T_ +typedef _BSD_SIZE_T_ size_t; +#undef _BSD_SIZE_T_ +#endif + +#ifdef _BSD_SSIZE_T_ +typedef _BSD_SSIZE_T_ ssize_t; +#undef _BSD_SSIZE_T_ +#endif + +#include + +/* + * Socket types. */ #define SOCK_STREAM 1 /* stream socket */ #define SOCK_DGRAM 2 /* datagram socket */ @@ -64,6 +122,7 @@ #define SO_LINGER 0x0080 /* linger on close if data present */ #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ +#define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */ /* * Additional options, not kept in so_options. @@ -82,7 +141,7 @@ */ struct linger { int l_onoff; /* option on/off */ - int l_linger; /* linger time */ + int l_linger; /* linger time in seconds */ }; /* @@ -114,26 +173,42 @@ struct linger { #define AF_APPLETALK 16 /* Apple Talk */ #define AF_ROUTE 17 /* Internal Routing Protocol */ #define AF_LINK 18 /* Link layer interface */ +#if !defined(_XOPEN_SOURCE) #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ +#endif #define AF_COIP 20 /* connection-oriented IP, aka ST II */ #define AF_CNT 21 /* Computer Network Technology */ +#if !defined(_XOPEN_SOURCE) #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ +#endif #define AF_IPX 23 /* Novell Internet Protocol */ -#define AF_SIP 24 /* Simple Internet Protocol */ +#define AF_INET6 24 /* IP version 6 */ +#if !defined(_XOPEN_SOURCE) #define pseudo_AF_PIP 25 /* Help Identify PIP packets */ +#endif +#define AF_ISDN 26 /* Integrated Services Digital Network*/ +#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ +#define AF_NATM 27 /* native ATM access */ +#define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */ +#if !defined(_XOPEN_SOURCE) +#define pseudo_AF_KEY 29 /* Internal key management protocol */ +#define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs + in interface output routine */ +#endif -#define AF_MAX 26 +#define AF_MAX 31 /* * Structure used by kernel to store most * addresses. */ struct sockaddr { - u_char sa_len; /* total length */ - u_char sa_family; /* address family */ - char sa_data[14]; /* actually longer; address value */ + __uint8_t sa_len; /* total length */ + sa_family_t sa_family; /* address family */ + char sa_data[14]; /* actually longer; address value */ }; +#if defined(_KERNEL) /* * Structure used by kernel to pass protocol * information in raw sockets. @@ -142,6 +217,28 @@ struct sockproto { u_short sp_family; /* address family */ u_short sp_protocol; /* protocol */ }; +#endif /* _KERNEL */ + +#if 1 +/* + * RFC 2553: protocol-independent placeholder for socket addresses + */ +#define _SS_MAXSIZE 128 +#define _SS_ALIGNSIZE (sizeof(__int64_t)) +#define _SS_PAD1SIZE (_SS_ALIGNSIZE - 2) +#define _SS_PAD2SIZE (_SS_MAXSIZE - 2 - \ + _SS_PAD1SIZE - _SS_ALIGNSIZE) + +#if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500 +struct sockaddr_storage { + __uint8_t ss_len; /* address length */ + sa_family_t ss_family; /* address family */ + char __ss_pad1[_SS_PAD1SIZE]; + __int64_t __ss_align;/* force desired structure storage alignment */ + char __ss_pad2[_SS_PAD2SIZE]; +}; +#endif /* !_XOPEN_SOURCE || ... */ +#endif /* 1 */ /* * Protocol families, same as address families for now. @@ -167,16 +264,60 @@ struct sockproto { #define PF_APPLETALK AF_APPLETALK #define PF_ROUTE AF_ROUTE #define PF_LINK AF_LINK +#if !defined(_XOPEN_SOURCE) #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ +#endif #define PF_COIP AF_COIP #define PF_CNT AF_CNT -#define PF_SIP AF_SIP +#define PF_INET6 AF_INET6 #define PF_IPX AF_IPX /* same format as AF_NS */ +#if !defined(_XOPEN_SOURCE) #define PF_RTIP pseudo_AF_FTIP /* same format as AF_INET */ #define PF_PIP pseudo_AF_PIP +#endif +#define PF_ISDN AF_ISDN /* same as E164 */ +#define PF_E164 AF_E164 +#define PF_NATM AF_NATM +#define PF_ARP AF_ARP +#if !defined(_XOPEN_SOURCE) +#define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */ +#endif #define PF_MAX AF_MAX +#if !defined(_XOPEN_SOURCE) + +#ifndef gid_t +typedef __gid_t gid_t; /* group id */ +#define gid_t __gid_t +#endif + +#ifndef uid_t +typedef __uid_t uid_t; /* user id */ +#define uid_t __uid_t +#endif + +/* + * Socket credentials. + */ +struct sockcred { + uid_t sc_uid; /* real user id */ + uid_t sc_euid; /* effective user id */ + gid_t sc_gid; /* real group id */ + gid_t sc_egid; /* effective group id */ + int sc_ngroups; /* number of supplemental groups */ + gid_t sc_groups[1]; /* variable length */ +}; + +/* + * Compute size of a sockcred structure with groups. + */ +#define SOCKCREDSIZE(ngrps) \ + (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1))) +#endif /* !_XOPEN_SOURCE */ + + +#if !defined(_XOPEN_SOURCE) /* * Definitions for network related sysctl, CTL_NET. * @@ -189,7 +330,7 @@ struct sockproto { #define CTL_NET_NAMES { \ { 0, 0 }, \ - { "unix", CTLTYPE_NODE }, \ + { "local", CTLTYPE_NODE }, \ { "inet", CTLTYPE_NODE }, \ { "implink", CTLTYPE_NODE }, \ { "pup", CTLTYPE_NODE }, \ @@ -212,10 +353,16 @@ struct sockproto { { "cnt", CTLTYPE_NODE }, \ { "rtip", CTLTYPE_NODE }, \ { "ipx", CTLTYPE_NODE }, \ - { "sip", CTLTYPE_NODE }, \ + { "inet6", CTLTYPE_NODE }, \ { "pip", CTLTYPE_NODE }, \ + { "isdn", CTLTYPE_NODE }, \ + { "natm", CTLTYPE_NODE }, \ + { "arp", CTLTYPE_NODE }, \ + { "key", CTLTYPE_NODE }, \ } +#endif /* !_XOPEN_SOURCE */ +#if !defined(_XOPEN_SOURCE) /* * PF_ROUTE - Routing table * @@ -226,33 +373,37 @@ struct sockproto { */ #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_MAXID 4 +#define NET_RT_OIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */ +#define NET_RT_IFLIST 4 /* survey interface list */ +#define NET_RT_MAXID 5 #define CTL_NET_RT_NAMES { \ { 0, 0 }, \ { "dump", CTLTYPE_STRUCT }, \ { "flags", CTLTYPE_STRUCT }, \ + { 0, 0 }, \ { "iflist", CTLTYPE_STRUCT }, \ } +#endif /* !_XOPEN_SOURCE */ /* - * Maximum queue length specifiable by listen. + * Maximum queue length specifiable by listen(2). */ -#define SOMAXCONN 5 + +#define SOMAXCONN 128 /* * Message header for recvmsg and sendmsg calls. * Used value-result for recvmsg, value only for sendmsg. */ struct msghdr { - caddr_t msg_name; /* optional address */ - u_int msg_namelen; /* size of address */ - struct iovec *msg_iov; /* scatter/gather array */ - u_int msg_iovlen; /* # elements in msg_iov */ - caddr_t msg_control; /* ancillary data, see below */ - u_int msg_controllen; /* ancillary data buffer len */ - int msg_flags; /* flags on received message */ + 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 */ }; #define MSG_OOB 0x1 /* process out-of-band data */ @@ -263,6 +414,8 @@ struct msghdr { #define MSG_CTRUNC 0x20 /* control data lost before delivery */ #define MSG_WAITALL 0x40 /* wait for full request or error */ #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ +#define MSG_BCAST 0x100 /* this message was rcvd using link-level brdcst */ +#define MSG_MCAST 0x200 /* this message was rcvd using link-level mcast */ /* * Header for ancillary data objects in msg_control buffer. @@ -271,71 +424,117 @@ struct msghdr { * of message elements headed by cmsghdr structures. */ struct cmsghdr { - u_int cmsg_len; /* data byte count, including hdr */ - int cmsg_level; /* originating protocol */ - int cmsg_type; /* protocol-specific type */ + socklen_t cmsg_len; /* data byte count, including hdr */ + int cmsg_level; /* originating protocol */ + int cmsg_type; /* protocol-specific type */ /* followed by u_char cmsg_data[]; */ }; /* given pointer to struct cmsghdr, return pointer to data */ -#define CMSG_DATA(cmsg) ((u_char *)((cmsg) + 1)) +#define CMSG_DATA(cmsg) \ + ((u_char *)(void *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr))) + +/* + * Alignment requirement for CMSG struct manipulation. + * This basically behaves the same as ALIGN() ARCH/include/param.h. + * We declare it separately for two reasons: + * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's + * idea of ALIGNBYTES at runtime. + * without (2), we can't guarantee binary compatibility in case of future + * changes in ALIGNBYTES. + */ +#define __CMSG_ALIGN(n) (((n) + __cmsg_alignbytes()) & ~__cmsg_alignbytes()) +#ifdef _KERNEL +#define CMSG_ALIGN(n) __CMSG_ALIGN(n) +#endif /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ #define CMSG_NXTHDR(mhdr, cmsg) \ - (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \ - (mhdr)->msg_control + (mhdr)->msg_controllen) ? \ + (((__caddr_t)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \ + __CMSG_ALIGN(sizeof(struct cmsghdr)) > \ + (((__caddr_t)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \ (struct cmsghdr *)NULL : \ - (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len))) + (struct cmsghdr *)((__caddr_t)(cmsg) + \ + __CMSG_ALIGN((cmsg)->cmsg_len))) -#define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control) +/* + * 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 *)NULL) + +#define CMSG_SPACE(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(l)) +#define CMSG_LEN(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (l)) /* "Socket"-level control message types: */ #define SCM_RIGHTS 0x01 /* access rights (array of int) */ +#if !defined(_XOPEN_SOURCE) +#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ +#define SCM_CREDS 0x04 /* credentials (struct sockcred) */ +#endif + +/* + * Types of socket shutdown(2). + */ +#define SHUT_RD 0 /* Disallow further receives. */ +#define SHUT_WR 1 /* Disallow further sends. */ +#define SHUT_RDWR 2 /* Disallow further sends/receives. */ +#if !defined(_XOPEN_SOURCE) /* * 4.3 compat sockaddr, move to compat file later */ struct osockaddr { - u_short sa_family; /* address family */ - char sa_data[14]; /* up to 14 bytes of direct address */ + __uint16_t sa_family; /* address family */ + char sa_data[14]; /* up to 14 bytes of direct address */ }; /* * 4.3-compat message header (move to compat file later). */ struct omsghdr { - caddr_t msg_name; /* optional address */ - int msg_namelen; /* size of address */ - struct iovec *msg_iov; /* scatter/gather array */ - int msg_iovlen; /* # elements in msg_iov */ - caddr_t msg_accrights; /* access rights sent/received */ - int msg_accrightslen; + __caddr_t msg_name; /* optional address */ + int msg_namelen; /* size of address */ + struct iovec *msg_iov; /* scatter/gather array */ + int msg_iovlen; /* # elements in msg_iov */ + __caddr_t msg_accrights; /* access rights sent/received */ + int msg_accrightslen; }; - -#ifndef _KERNEL +#endif #include __BEGIN_DECLS -int accept __P((int, struct sockaddr *, int *)); -int bind __P((int, const struct sockaddr *, int)); -int connect __P((int, const struct sockaddr *, int)); -int getpeername __P((int, struct sockaddr *, int *)); -int getsockname __P((int, struct sockaddr *, int *)); -int getsockopt __P((int, int, int, void *, int *)); +int __cmsg_alignbytes __P((void)); +__END_DECLS + +#ifndef _KERNEL + +__BEGIN_DECLS +int accept __P((int, struct sockaddr *, socklen_t *)); +int bind __P((int, const struct sockaddr *, socklen_t)); +int connect __P((int, const struct sockaddr *, socklen_t)); +int getpeername __P((int, struct sockaddr *, socklen_t *)); +int getsockname __P((int, struct sockaddr *, socklen_t *)); +int getsockopt __P((int, int, int, void *, socklen_t *)); int listen __P((int, int)); ssize_t recv __P((int, void *, size_t, int)); -ssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *, int *)); +ssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *, + socklen_t *)); ssize_t recvmsg __P((int, struct msghdr *, int)); ssize_t send __P((int, const void *, size_t, int)); ssize_t sendto __P((int, const void *, - size_t, int, const struct sockaddr *, int)); + size_t, int, const struct sockaddr *, socklen_t)); ssize_t sendmsg __P((int, const struct msghdr *, int)); -int setsockopt __P((int, int, int, const void *, int)); +int setsockopt __P((int, int, int, const void *, socklen_t)); int shutdown __P((int, int)); +int sockatmark __P((int)); int socket __P((int, int, int)); int socketpair __P((int, int, int, int *)); __END_DECLS - #endif /* !_KERNEL */ + #endif /* !_SYS_SOCKET_H_ */