socket.h revision 2ba2888cac2f04daff7bbaf032d0df7a095b00c3
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/* This is an Android extension that won't be in the uapi headers for the common kernel. */ 44#if !defined(SIOCKILLADDR) 45#define SIOCKILLADDR 0x8939 46#else 47#error SIOCKILLADDR defined twice 48#endif 49 50__BEGIN_DECLS 51 52#define sockaddr_storage __kernel_sockaddr_storage 53typedef unsigned short sa_family_t; 54 55struct timespec; 56 57#ifdef __mips__ 58#define SOCK_DGRAM 1 59#define SOCK_STREAM 2 60#define SOCK_RAW 3 61#define SOCK_RDM 4 62#define SOCK_SEQPACKET 5 63#define SOCK_DCCP 6 64#define SOCK_PACKET 10 65#else 66#define SOCK_STREAM 1 67#define SOCK_DGRAM 2 68#define SOCK_RAW 3 69#define SOCK_RDM 4 70#define SOCK_SEQPACKET 5 71#define SOCK_PACKET 10 72#endif 73 74#define SOCK_CLOEXEC O_CLOEXEC 75#define SOCK_NONBLOCK O_NONBLOCK 76 77enum { 78 SHUT_RD = 0, 79#define SHUT_RD SHUT_RD 80 SHUT_WR, 81#define SHUT_WR SHUT_WR 82 SHUT_RDWR 83#define SHUT_RDWR SHUT_RDWR 84}; 85 86struct sockaddr { 87 sa_family_t sa_family; 88 char sa_data[14]; 89}; 90 91struct linger { 92 int l_onoff; 93 int l_linger; 94}; 95 96struct msghdr { 97 void* msg_name; 98 socklen_t msg_namelen; 99 struct iovec* msg_iov; 100 size_t msg_iovlen; 101 void* msg_control; 102 size_t msg_controllen; 103 int msg_flags; 104}; 105 106struct mmsghdr { 107 struct msghdr msg_hdr; 108 unsigned int msg_len; 109}; 110 111struct cmsghdr { 112 size_t cmsg_len; 113 int cmsg_level; 114 int cmsg_type; 115}; 116 117#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr((mhdr), (cmsg)) 118#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) ) 119#define CMSG_DATA(cmsg) ((void*)((char*)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr)))) 120#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len)) 121#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 122#define CMSG_FIRSTHDR(msg) \ 123 ((msg)->msg_controllen >= sizeof(struct cmsghdr) \ 124 ? (struct cmsghdr*) (msg)->msg_control : (struct cmsghdr*) NULL) 125#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))) 126 127struct cmsghdr* __cmsg_nxthdr(struct msghdr*, struct cmsghdr*); 128 129#define SCM_RIGHTS 0x01 130#define SCM_CREDENTIALS 0x02 131#define SCM_SECURITY 0x03 132 133struct ucred { 134 pid_t pid; 135 uid_t uid; 136 gid_t gid; 137}; 138 139#define AF_UNSPEC 0 140#define AF_UNIX 1 141#define AF_LOCAL 1 142#define AF_INET 2 143#define AF_AX25 3 144#define AF_IPX 4 145#define AF_APPLETALK 5 146#define AF_NETROM 6 147#define AF_BRIDGE 7 148#define AF_ATMPVC 8 149#define AF_X25 9 150#define AF_INET6 10 151#define AF_ROSE 11 152#define AF_DECnet 12 153#define AF_NETBEUI 13 154#define AF_SECURITY 14 155#define AF_KEY 15 156#define AF_NETLINK 16 157#define AF_ROUTE AF_NETLINK 158#define AF_PACKET 17 159#define AF_ASH 18 160#define AF_ECONET 19 161#define AF_ATMSVC 20 162#define AF_RDS 21 163#define AF_SNA 22 164#define AF_IRDA 23 165#define AF_PPPOX 24 166#define AF_WANPIPE 25 167#define AF_LLC 26 168#define AF_CAN 29 169#define AF_TIPC 30 170#define AF_BLUETOOTH 31 171#define AF_IUCV 32 172#define AF_RXRPC 33 173#define AF_ISDN 34 174#define AF_PHONET 35 175#define AF_IEEE802154 36 176#define AF_CAIF 37 177#define AF_ALG 38 178#define AF_MAX 39 179 180#define PF_UNSPEC AF_UNSPEC 181#define PF_UNIX AF_UNIX 182#define PF_LOCAL AF_LOCAL 183#define PF_INET AF_INET 184#define PF_AX25 AF_AX25 185#define PF_IPX AF_IPX 186#define PF_APPLETALK AF_APPLETALK 187#define PF_NETROM AF_NETROM 188#define PF_BRIDGE AF_BRIDGE 189#define PF_ATMPVC AF_ATMPVC 190#define PF_X25 AF_X25 191#define PF_INET6 AF_INET6 192#define PF_ROSE AF_ROSE 193#define PF_DECnet AF_DECnet 194#define PF_NETBEUI AF_NETBEUI 195#define PF_SECURITY AF_SECURITY 196#define PF_KEY AF_KEY 197#define PF_NETLINK AF_NETLINK 198#define PF_ROUTE AF_ROUTE 199#define PF_PACKET AF_PACKET 200#define PF_ASH AF_ASH 201#define PF_ECONET AF_ECONET 202#define PF_ATMSVC AF_ATMSVC 203#define PF_RDS AF_RDS 204#define PF_SNA AF_SNA 205#define PF_IRDA AF_IRDA 206#define PF_PPPOX AF_PPPOX 207#define PF_WANPIPE AF_WANPIPE 208#define PF_LLC AF_LLC 209#define PF_CAN AF_CAN 210#define PF_TIPC AF_TIPC 211#define PF_BLUETOOTH AF_BLUETOOTH 212#define PF_IUCV AF_IUCV 213#define PF_RXRPC AF_RXRPC 214#define PF_ISDN AF_ISDN 215#define PF_PHONET AF_PHONET 216#define PF_IEEE802154 AF_IEEE802154 217#define PF_CAIF AF_CAIF 218#define PF_ALG AF_ALG 219#define PF_MAX AF_MAX 220 221#define SOMAXCONN 128 222 223#define MSG_OOB 1 224#define MSG_PEEK 2 225#define MSG_DONTROUTE 4 226#define MSG_TRYHARD 4 227#define MSG_CTRUNC 8 228#define MSG_PROBE 0x10 229#define MSG_TRUNC 0x20 230#define MSG_DONTWAIT 0x40 231#define MSG_EOR 0x80 232#define MSG_WAITALL 0x100 233#define MSG_FIN 0x200 234#define MSG_SYN 0x400 235#define MSG_CONFIRM 0x800 236#define MSG_RST 0x1000 237#define MSG_ERRQUEUE 0x2000 238#define MSG_NOSIGNAL 0x4000 239#define MSG_MORE 0x8000 240#define MSG_WAITFORONE 0x10000 241#define MSG_FASTOPEN 0x20000000 242#define MSG_CMSG_CLOEXEC 0x40000000 243#define MSG_EOF MSG_FIN 244#define MSG_CMSG_COMPAT 0 245 246#define SOL_IP 0 247#define SOL_TCP 6 248#define SOL_UDP 17 249#define SOL_IPV6 41 250#define SOL_ICMPV6 58 251#define SOL_SCTP 132 252#define SOL_RAW 255 253#define SOL_IPX 256 254#define SOL_AX25 257 255#define SOL_ATALK 258 256#define SOL_NETROM 259 257#define SOL_ROSE 260 258#define SOL_DECNET 261 259#define SOL_X25 262 260#define SOL_PACKET 263 261#define SOL_ATM 264 262#define SOL_AAL 265 263#define SOL_IRDA 266 264#define SOL_NETBEUI 267 265#define SOL_LLC 268 266#define SOL_DCCP 269 267#define SOL_NETLINK 270 268#define SOL_TIPC 271 269 270#define IPX_TYPE 1 271 272#ifdef __i386__ 273# define __socketcall extern __attribute__((__cdecl__)) 274#else 275# define __socketcall extern 276#endif 277 278__socketcall int accept(int, struct sockaddr*, socklen_t*); 279__socketcall int accept4(int, struct sockaddr*, socklen_t*, int); 280__socketcall int bind(int, const struct sockaddr*, int); 281__socketcall int connect(int, const struct sockaddr*, socklen_t); 282__socketcall int getpeername(int, struct sockaddr*, socklen_t*); 283__socketcall int getsockname(int, struct sockaddr*, socklen_t*); 284__socketcall int getsockopt(int, int, int, void*, socklen_t*); 285__socketcall int listen(int, int); 286__socketcall int recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*); 287__socketcall int recvmsg(int, struct msghdr*, int); 288__socketcall int sendmmsg(int, const struct mmsghdr*, unsigned int, int); 289__socketcall int sendmsg(int, const struct msghdr*, int); 290__socketcall int setsockopt(int, int, int, const void*, socklen_t); 291__socketcall int shutdown(int, int); 292__socketcall int socket(int, int, int); 293__socketcall int socketpair(int, int, int, int*); 294 295extern ssize_t send(int, const void*, size_t, int); 296extern ssize_t recv(int, void*, size_t, int); 297 298__socketcall ssize_t sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t); 299__socketcall ssize_t recvfrom(int, void*, size_t, int, const struct sockaddr*, socklen_t*); 300 301#if defined(__BIONIC_FORTIFY) 302__errordecl(__recvfrom_error, "recvfrom called with size bigger than buffer"); 303extern ssize_t __recvfrom_chk(int, void*, size_t, size_t, int, const struct sockaddr*, socklen_t*); 304extern ssize_t __recvfrom_real(int, void*, size_t, int, const struct sockaddr*, socklen_t*) 305 __asm__(__USER_LABEL_PREFIX__ "recvfrom"); 306 307__BIONIC_FORTIFY_INLINE 308ssize_t recvfrom(int fd, void* buf, size_t len, int flags, const struct sockaddr* src_addr, socklen_t* addr_len) { 309 size_t bos = __bos0(buf); 310 311#if !defined(__clang__) 312 if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) { 313 return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len); 314 } 315 316 if (__builtin_constant_p(len) && (len <= bos)) { 317 return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len); 318 } 319 320 if (__builtin_constant_p(len) && (len > bos)) { 321 __recvfrom_error(); 322 } 323#endif 324 325 return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len); 326} 327 328__BIONIC_FORTIFY_INLINE 329ssize_t recv(int socket, void* buf, size_t len, int flags) { 330 return recvfrom(socket, buf, len, flags, NULL, 0); 331} 332 333#endif /* __BIONIC_FORTIFY */ 334 335#undef __socketcall 336 337__END_DECLS 338 339#endif /* _SYS_SOCKET_H */ 340