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
46 typedef unsigned short sa_family_t;
47
48 struct 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
70 enum {
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
79 struct sockaddr {
80 sa_family_t sa_family;
81 char sa_data[14];
82 };
83
84 struct linger {
85 int l_onoff;
86 int l_linger;
87 };
88
89 struct 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
99 struct mmsghdr {
100 struct msghdr msg_hdr;
101 unsigned int msg_len;
102 };
103
104 struct 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
120 struct cmsghdr* __cmsg_nxthdr(struct msghdr*, struct cmsghdr*);
121
122 #define SCM_RIGHTS 0x01
123 #define SCM_CREDENTIALS 0x02
124 #define SCM_SECURITY 0x03
125
126 struct 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
288 extern ssize_t send(int, const void*, size_t, int);
289 extern 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");
296 extern ssize_t __recvfrom_chk(int, void*, size_t, size_t, int, const struct sockaddr*, socklen_t*);
297 extern 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
recvfrom(int fd,void * buf,size_t len,int flags,const struct sockaddr * src_addr,socklen_t * addr_len)301 ssize_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
recv(int socket,void * buf,size_t len,int flags)322 ssize_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