socket.h revision 291da8d3533b3ee47f8d742c72d789d3149d15da
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#ifndef _SYS_SOCKET_H_ 30#define _SYS_SOCKET_H_ 31 32#include <sys/cdefs.h> 33#include <sys/types.h> 34#include <linux/socket.h> 35 36#include <asm/fcntl.h> 37#include <asm/socket.h> 38#include <linux/sockios.h> 39#include <linux/uio.h> 40#include <linux/types.h> 41#include <linux/compiler.h> 42 43__BEGIN_DECLS 44 45#define sockaddr_storage __kernel_sockaddr_storage 46typedef unsigned short sa_family_t; 47 48struct timespec; 49 50#ifdef __mips__ 51#define SOCK_DGRAM 1 52#define SOCK_STREAM 2 53#define SOCK_RAW 3 54#define SOCK_RDM 4 55#define SOCK_SEQPACKET 5 56#define SOCK_DCCP 6 57#define SOCK_PACKET 10 58#else 59#define SOCK_STREAM 1 60#define SOCK_DGRAM 2 61#define SOCK_RAW 3 62#define SOCK_RDM 4 63#define SOCK_SEQPACKET 5 64#define SOCK_PACKET 10 65#endif 66 67#define SOCK_CLOEXEC O_CLOEXEC 68#define SOCK_NONBLOCK O_NONBLOCK 69 70enum { 71 SHUT_RD = 0, 72#define SHUT_RD SHUT_RD 73 SHUT_WR, 74#define SHUT_WR SHUT_WR 75 SHUT_RDWR 76#define SHUT_RDWR SHUT_RDWR 77}; 78 79struct sockaddr { 80 sa_family_t sa_family; 81 char sa_data[14]; 82}; 83 84struct linger { 85 int l_onoff; 86 int l_linger; 87}; 88 89struct msghdr { 90 void* msg_name; 91 socklen_t msg_namelen; 92 struct iovec* msg_iov; 93 size_t msg_iovlen; 94 void* msg_control; 95 size_t msg_controllen; 96 int msg_flags; 97}; 98 99struct mmsghdr { 100 struct msghdr msg_hdr; 101 unsigned int msg_len; 102}; 103 104struct cmsghdr { 105 size_t cmsg_len; 106 int cmsg_level; 107 int cmsg_type; 108}; 109 110#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr((mhdr), (cmsg)) 111#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) ) 112#define CMSG_DATA(cmsg) ((void*)((char*)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr)))) 113#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len)) 114#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 115#define CMSG_FIRSTHDR(msg) \ 116 ((msg)->msg_controllen >= sizeof(struct cmsghdr) \ 117 ? (struct cmsghdr*) (msg)->msg_control : (struct cmsghdr*) NULL) 118#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && (cmsg)->cmsg_len <= (unsigned long) ((mhdr)->msg_controllen - ((char*)(cmsg) - (char*)(mhdr)->msg_control))) 119 120struct cmsghdr* __cmsg_nxthdr(struct msghdr*, struct cmsghdr*); 121 122#define SCM_RIGHTS 0x01 123#define SCM_CREDENTIALS 0x02 124#define SCM_SECURITY 0x03 125 126struct ucred { 127 pid_t pid; 128 uid_t uid; 129 gid_t gid; 130}; 131 132#define AF_UNSPEC 0 133#define AF_UNIX 1 134#define AF_LOCAL 1 135#define AF_INET 2 136#define AF_AX25 3 137#define AF_IPX 4 138#define AF_APPLETALK 5 139#define AF_NETROM 6 140#define AF_BRIDGE 7 141#define AF_ATMPVC 8 142#define AF_X25 9 143#define AF_INET6 10 144#define AF_ROSE 11 145#define AF_DECnet 12 146#define AF_NETBEUI 13 147#define AF_SECURITY 14 148#define AF_KEY 15 149#define AF_NETLINK 16 150#define AF_ROUTE AF_NETLINK 151#define AF_PACKET 17 152#define AF_ASH 18 153#define AF_ECONET 19 154#define AF_ATMSVC 20 155#define AF_RDS 21 156#define AF_SNA 22 157#define AF_IRDA 23 158#define AF_PPPOX 24 159#define AF_WANPIPE 25 160#define AF_LLC 26 161#define AF_CAN 29 162#define AF_TIPC 30 163#define AF_BLUETOOTH 31 164#define AF_IUCV 32 165#define AF_RXRPC 33 166#define AF_ISDN 34 167#define AF_PHONET 35 168#define AF_IEEE802154 36 169#define AF_CAIF 37 170#define AF_ALG 38 171#define AF_MAX 39 172 173#define PF_UNSPEC AF_UNSPEC 174#define PF_UNIX AF_UNIX 175#define PF_LOCAL AF_LOCAL 176#define PF_INET AF_INET 177#define PF_AX25 AF_AX25 178#define PF_IPX AF_IPX 179#define PF_APPLETALK AF_APPLETALK 180#define PF_NETROM AF_NETROM 181#define PF_BRIDGE AF_BRIDGE 182#define PF_ATMPVC AF_ATMPVC 183#define PF_X25 AF_X25 184#define PF_INET6 AF_INET6 185#define PF_ROSE AF_ROSE 186#define PF_DECnet AF_DECnet 187#define PF_NETBEUI AF_NETBEUI 188#define PF_SECURITY AF_SECURITY 189#define PF_KEY AF_KEY 190#define PF_NETLINK AF_NETLINK 191#define PF_ROUTE AF_ROUTE 192#define PF_PACKET AF_PACKET 193#define PF_ASH AF_ASH 194#define PF_ECONET AF_ECONET 195#define PF_ATMSVC AF_ATMSVC 196#define PF_RDS AF_RDS 197#define PF_SNA AF_SNA 198#define PF_IRDA AF_IRDA 199#define PF_PPPOX AF_PPPOX 200#define PF_WANPIPE AF_WANPIPE 201#define PF_LLC AF_LLC 202#define PF_CAN AF_CAN 203#define PF_TIPC AF_TIPC 204#define PF_BLUETOOTH AF_BLUETOOTH 205#define PF_IUCV AF_IUCV 206#define PF_RXRPC AF_RXRPC 207#define PF_ISDN AF_ISDN 208#define PF_PHONET AF_PHONET 209#define PF_IEEE802154 AF_IEEE802154 210#define PF_CAIF AF_CAIF 211#define PF_ALG AF_ALG 212#define PF_MAX AF_MAX 213 214#define SOMAXCONN 128 215 216#define MSG_OOB 1 217#define MSG_PEEK 2 218#define MSG_DONTROUTE 4 219#define MSG_TRYHARD 4 220#define MSG_CTRUNC 8 221#define MSG_PROBE 0x10 222#define MSG_TRUNC 0x20 223#define MSG_DONTWAIT 0x40 224#define MSG_EOR 0x80 225#define MSG_WAITALL 0x100 226#define MSG_FIN 0x200 227#define MSG_SYN 0x400 228#define MSG_CONFIRM 0x800 229#define MSG_RST 0x1000 230#define MSG_ERRQUEUE 0x2000 231#define MSG_NOSIGNAL 0x4000 232#define MSG_MORE 0x8000 233#define MSG_WAITFORONE 0x10000 234#define MSG_FASTOPEN 0x20000000 235#define MSG_CMSG_CLOEXEC 0x40000000 236#define MSG_EOF MSG_FIN 237#define MSG_CMSG_COMPAT 0 238 239#define SOL_IP 0 240#define SOL_TCP 6 241#define SOL_UDP 17 242#define SOL_IPV6 41 243#define SOL_ICMPV6 58 244#define SOL_SCTP 132 245#define SOL_RAW 255 246#define SOL_IPX 256 247#define SOL_AX25 257 248#define SOL_ATALK 258 249#define SOL_NETROM 259 250#define SOL_ROSE 260 251#define SOL_DECNET 261 252#define SOL_X25 262 253#define SOL_PACKET 263 254#define SOL_ATM 264 255#define SOL_AAL 265 256#define SOL_IRDA 266 257#define SOL_NETBEUI 267 258#define SOL_LLC 268 259#define SOL_DCCP 269 260#define SOL_NETLINK 270 261#define SOL_TIPC 271 262 263#define IPX_TYPE 1 264 265#ifdef __i386__ 266# define __socketcall extern __attribute__((__cdecl__)) 267#else 268# define __socketcall extern 269#endif 270 271__socketcall int accept(int, struct sockaddr*, socklen_t*); 272__socketcall int accept4(int, struct sockaddr*, socklen_t*, int); 273__socketcall int bind(int, const struct sockaddr*, int); 274__socketcall int connect(int, const struct sockaddr*, socklen_t); 275__socketcall int getpeername(int, struct sockaddr*, socklen_t*); 276__socketcall int getsockname(int, struct sockaddr*, socklen_t*); 277__socketcall int getsockopt(int, int, int, void*, socklen_t*); 278__socketcall int listen(int, int); 279__socketcall int recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*); 280__socketcall int recvmsg(int, struct msghdr*, int); 281__socketcall int sendmmsg(int, const struct mmsghdr*, unsigned int, int); 282__socketcall int sendmsg(int, const struct msghdr*, int); 283__socketcall int setsockopt(int, int, int, const void*, socklen_t); 284__socketcall int shutdown(int, int); 285__socketcall int socket(int, int, int); 286__socketcall int socketpair(int, int, int, int*); 287 288extern ssize_t send(int, const void*, size_t, int); 289extern ssize_t recv(int, void*, size_t, int); 290 291__socketcall ssize_t sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t); 292__socketcall ssize_t recvfrom(int, void*, size_t, int, const struct sockaddr*, socklen_t*); 293 294#if defined(__BIONIC_FORTIFY) 295__errordecl(__recvfrom_error, "recvfrom called with size bigger than buffer"); 296extern ssize_t __recvfrom_chk(int, void*, size_t, size_t, int, const struct sockaddr*, socklen_t*); 297extern ssize_t __recvfrom_real(int, void*, size_t, int, const struct sockaddr*, socklen_t*) 298 __asm__(__USER_LABEL_PREFIX__ "recvfrom"); 299 300__BIONIC_FORTIFY_INLINE 301ssize_t recvfrom(int fd, void* buf, size_t len, int flags, const struct sockaddr* src_addr, socklen_t* addr_len) { 302 size_t bos = __bos0(buf); 303 304#if !defined(__clang__) 305 if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) { 306 return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len); 307 } 308 309 if (__builtin_constant_p(len) && (len <= bos)) { 310 return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len); 311 } 312 313 if (__builtin_constant_p(len) && (len > bos)) { 314 __recvfrom_error(); 315 } 316#endif 317 318 return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len); 319} 320 321__BIONIC_FORTIFY_INLINE 322ssize_t recv(int socket, void* buf, size_t len, int flags) { 323 return recvfrom(socket, buf, len, flags, NULL, 0); 324} 325 326#endif /* __BIONIC_FORTIFY */ 327 328#undef __socketcall 329 330__END_DECLS 331 332#endif /* _SYS_SOCKET_H */ 333