socket.h revision 14adff1cfa06a3d4d3281a9bf7848b556d84c20d
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#else
54#define SOCK_STREAM     1
55#define SOCK_DGRAM      2
56#endif
57#define SOCK_RAW        3
58#define SOCK_RDM        4
59#define SOCK_SEQPACKET  5
60#define SOCK_DCCP       6
61#define SOCK_PACKET     10
62
63#define SOCK_CLOEXEC O_CLOEXEC
64#define SOCK_NONBLOCK O_NONBLOCK
65
66enum {
67  SHUT_RD = 0,
68#define SHUT_RD         SHUT_RD
69  SHUT_WR,
70#define SHUT_WR         SHUT_WR
71  SHUT_RDWR
72#define SHUT_RDWR       SHUT_RDWR
73};
74
75struct sockaddr {
76  sa_family_t sa_family;
77  char sa_data[14];
78};
79
80struct linger {
81  int l_onoff;
82  int l_linger;
83};
84
85struct msghdr {
86  void* msg_name;
87  socklen_t msg_namelen;
88  struct iovec* msg_iov;
89  size_t msg_iovlen;
90  void* msg_control;
91  size_t msg_controllen;
92  int msg_flags;
93};
94
95struct mmsghdr {
96  struct msghdr msg_hdr;
97  unsigned int msg_len;
98};
99
100struct cmsghdr {
101  size_t cmsg_len;
102  int cmsg_level;
103  int cmsg_type;
104};
105
106#define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr((mhdr), (cmsg))
107#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
108#define CMSG_DATA(cmsg) (((unsigned char*)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
109#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
110#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
111#define CMSG_FIRSTHDR(msg) \
112  ((msg)->msg_controllen >= sizeof(struct cmsghdr) \
113   ? (struct cmsghdr*) (msg)->msg_control : (struct cmsghdr*) NULL)
114#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)))
115
116struct cmsghdr* __cmsg_nxthdr(struct msghdr*, struct cmsghdr*) __INTRODUCED_IN(21);
117
118#define SCM_RIGHTS 0x01
119#define SCM_CREDENTIALS 0x02
120#define SCM_SECURITY 0x03
121
122struct ucred {
123  pid_t pid;
124  uid_t uid;
125  gid_t gid;
126};
127
128#define AF_UNSPEC 0
129#define AF_UNIX 1
130#define AF_LOCAL 1
131#define AF_INET 2
132#define AF_AX25 3
133#define AF_IPX 4
134#define AF_APPLETALK 5
135#define AF_NETROM 6
136#define AF_BRIDGE 7
137#define AF_ATMPVC 8
138#define AF_X25 9
139#define AF_INET6 10
140#define AF_ROSE 11
141#define AF_DECnet 12
142#define AF_NETBEUI 13
143#define AF_SECURITY 14
144#define AF_KEY 15
145#define AF_NETLINK 16
146#define AF_ROUTE AF_NETLINK
147#define AF_PACKET 17
148#define AF_ASH 18
149#define AF_ECONET 19
150#define AF_ATMSVC 20
151#define AF_RDS 21
152#define AF_SNA 22
153#define AF_IRDA 23
154#define AF_PPPOX 24
155#define AF_WANPIPE 25
156#define AF_LLC 26
157#define AF_CAN 29
158#define AF_TIPC 30
159#define AF_BLUETOOTH 31
160#define AF_IUCV 32
161#define AF_RXRPC 33
162#define AF_ISDN 34
163#define AF_PHONET 35
164#define AF_IEEE802154 36
165#define AF_CAIF 37
166#define AF_ALG 38
167#define AF_NFC 39
168#define AF_VSOCK 40
169#define AF_MAX 41
170
171#define PF_UNSPEC AF_UNSPEC
172#define PF_UNIX AF_UNIX
173#define PF_LOCAL AF_LOCAL
174#define PF_INET AF_INET
175#define PF_AX25 AF_AX25
176#define PF_IPX AF_IPX
177#define PF_APPLETALK AF_APPLETALK
178#define PF_NETROM AF_NETROM
179#define PF_BRIDGE AF_BRIDGE
180#define PF_ATMPVC AF_ATMPVC
181#define PF_X25 AF_X25
182#define PF_INET6 AF_INET6
183#define PF_ROSE AF_ROSE
184#define PF_DECnet AF_DECnet
185#define PF_NETBEUI AF_NETBEUI
186#define PF_SECURITY AF_SECURITY
187#define PF_KEY AF_KEY
188#define PF_NETLINK AF_NETLINK
189#define PF_ROUTE AF_ROUTE
190#define PF_PACKET AF_PACKET
191#define PF_ASH AF_ASH
192#define PF_ECONET AF_ECONET
193#define PF_ATMSVC AF_ATMSVC
194#define PF_RDS AF_RDS
195#define PF_SNA AF_SNA
196#define PF_IRDA AF_IRDA
197#define PF_PPPOX AF_PPPOX
198#define PF_WANPIPE AF_WANPIPE
199#define PF_LLC AF_LLC
200#define PF_CAN AF_CAN
201#define PF_TIPC AF_TIPC
202#define PF_BLUETOOTH AF_BLUETOOTH
203#define PF_IUCV AF_IUCV
204#define PF_RXRPC AF_RXRPC
205#define PF_ISDN AF_ISDN
206#define PF_PHONET AF_PHONET
207#define PF_IEEE802154 AF_IEEE802154
208#define PF_CAIF AF_CAIF
209#define PF_ALG AF_ALG
210#define PF_NFC AF_NFC
211#define PF_VSOCK AF_VSOCK
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) __INTRODUCED_IN(21);
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  __INTRODUCED_IN(21);
281__socketcall int recvmsg(int, struct msghdr*, int);
282__socketcall int sendmmsg(int, const struct mmsghdr*, unsigned int, int) __INTRODUCED_IN(21);
283__socketcall int sendmsg(int, const struct msghdr*, int);
284__socketcall int setsockopt(int, int, int, const void*, socklen_t);
285__socketcall int shutdown(int, int);
286__socketcall int socket(int, int, int);
287__socketcall int socketpair(int, int, int, int*);
288
289extern ssize_t send(int, const void*, size_t, int);
290extern ssize_t recv(int, void*, size_t, int);
291
292__socketcall ssize_t sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t);
293__socketcall ssize_t recvfrom(int, void*, size_t, int, const struct sockaddr*, socklen_t*);
294
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*)
297  __INTRODUCED_IN(21);
298extern ssize_t __recvfrom_real(int, void*, size_t, int, const struct sockaddr*, socklen_t*) __RENAME(recvfrom);
299
300#if defined(__BIONIC_FORTIFY)
301
302__BIONIC_FORTIFY_INLINE
303ssize_t recvfrom(int fd, void* buf, size_t len, int flags, const struct sockaddr* src_addr, socklen_t* addr_len) {
304  size_t bos = __bos0(buf);
305
306#if !defined(__clang__)
307  if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
308    return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len);
309  }
310
311  if (__builtin_constant_p(len) && (len <= bos)) {
312    return __recvfrom_real(fd, buf, len, flags, src_addr, addr_len);
313  }
314
315  if (__builtin_constant_p(len) && (len > bos)) {
316    __recvfrom_error();
317  }
318#endif
319
320  return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len);
321}
322
323__BIONIC_FORTIFY_INLINE
324ssize_t recv(int socket, void* buf, size_t len, int flags) {
325  return recvfrom(socket, buf, len, flags, NULL, 0);
326}
327
328#endif /* __BIONIC_FORTIFY */
329
330#undef __socketcall
331
332__END_DECLS
333
334#endif /* _SYS_SOCKET_H */
335