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 
35 #include <asm/fcntl.h>
36 #include <asm/socket.h>
37 #include <linux/sockios.h>
38 #include <linux/uio.h>
39 #include <linux/types.h>
40 #include <linux/compiler.h>
41 
42 #include <bits/sa_family_t.h>
43 
44 __BEGIN_DECLS
45 
46 struct timespec;
47 
48 #define SOCK_STREAM     1
49 #define SOCK_DGRAM      2
50 #define SOCK_RAW        3
51 #define SOCK_RDM        4
52 #define SOCK_SEQPACKET  5
53 #define SOCK_DCCP       6
54 #define SOCK_PACKET     10
55 
56 #define SOCK_CLOEXEC O_CLOEXEC
57 #define SOCK_NONBLOCK O_NONBLOCK
58 
59 enum {
60   SHUT_RD = 0,
61 #define SHUT_RD         SHUT_RD
62   SHUT_WR,
63 #define SHUT_WR         SHUT_WR
64   SHUT_RDWR
65 #define SHUT_RDWR       SHUT_RDWR
66 };
67 
68 struct sockaddr {
69   sa_family_t sa_family;
70   char sa_data[14];
71 };
72 
73 struct sockaddr_storage {
74   union {
75     struct {
76       sa_family_t ss_family;
77       char __data[128 - sizeof(sa_family_t)];
78     };
79     void* __align;
80   };
81 };
82 
83 struct linger {
84   int l_onoff;
85   int l_linger;
86 };
87 
88 struct msghdr {
89   void* msg_name;
90   socklen_t msg_namelen;
91   struct iovec* msg_iov;
92   size_t msg_iovlen;
93   void* msg_control;
94   size_t msg_controllen;
95   int msg_flags;
96 };
97 
98 struct mmsghdr {
99   struct msghdr msg_hdr;
100   unsigned int msg_len;
101 };
102 
103 struct cmsghdr {
104   size_t cmsg_len;
105   int cmsg_level;
106   int cmsg_type;
107 };
108 
109 #define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr((mhdr), (cmsg))
110 #define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
111 #define CMSG_DATA(cmsg) (((unsigned char*)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
112 #define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
113 #define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
114 #define CMSG_FIRSTHDR(msg) \
115   ((msg)->msg_controllen >= sizeof(struct cmsghdr) \
116    ? (struct cmsghdr*) (msg)->msg_control : (struct cmsghdr*) NULL)
117 #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)))
118 
119 
120 #if __ANDROID_API__ >= 21
121 struct cmsghdr* __cmsg_nxthdr(struct msghdr* __msg, struct cmsghdr* __cmsg) __INTRODUCED_IN(21);
122 #endif /* __ANDROID_API__ >= 21 */
123 
124 
125 #define SCM_RIGHTS 0x01
126 #define SCM_CREDENTIALS 0x02
127 #define SCM_SECURITY 0x03
128 
129 struct ucred {
130   pid_t pid;
131   uid_t uid;
132   gid_t gid;
133 };
134 
135 #define AF_UNSPEC 0
136 #define AF_UNIX 1
137 #define AF_LOCAL 1
138 #define AF_INET 2
139 #define AF_AX25 3
140 #define AF_IPX 4
141 #define AF_APPLETALK 5
142 #define AF_NETROM 6
143 #define AF_BRIDGE 7
144 #define AF_ATMPVC 8
145 #define AF_X25 9
146 #define AF_INET6 10
147 #define AF_ROSE 11
148 #define AF_DECnet 12
149 #define AF_NETBEUI 13
150 #define AF_SECURITY 14
151 #define AF_KEY 15
152 #define AF_NETLINK 16
153 #define AF_ROUTE AF_NETLINK
154 #define AF_PACKET 17
155 #define AF_ASH 18
156 #define AF_ECONET 19
157 #define AF_ATMSVC 20
158 #define AF_RDS 21
159 #define AF_SNA 22
160 #define AF_IRDA 23
161 #define AF_PPPOX 24
162 #define AF_WANPIPE 25
163 #define AF_LLC 26
164 #define AF_CAN 29
165 #define AF_TIPC 30
166 #define AF_BLUETOOTH 31
167 #define AF_IUCV 32
168 #define AF_RXRPC 33
169 #define AF_ISDN 34
170 #define AF_PHONET 35
171 #define AF_IEEE802154 36
172 #define AF_CAIF 37
173 #define AF_ALG 38
174 #define AF_NFC 39
175 #define AF_VSOCK 40
176 #define AF_KCM 41
177 #define AF_QIPCRTR 42
178 #define AF_MAX 43
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_NFC AF_NFC
220 #define PF_VSOCK AF_VSOCK
221 #define PF_KCM AF_KCM
222 #define PF_QIPCRTR AF_QIPCRTR
223 #define PF_MAX AF_MAX
224 
225 #define SOMAXCONN 128
226 
227 #define MSG_OOB 1
228 #define MSG_PEEK 2
229 #define MSG_DONTROUTE 4
230 #define MSG_TRYHARD 4
231 #define MSG_CTRUNC 8
232 #define MSG_PROBE 0x10
233 #define MSG_TRUNC 0x20
234 #define MSG_DONTWAIT 0x40
235 #define MSG_EOR 0x80
236 #define MSG_WAITALL 0x100
237 #define MSG_FIN 0x200
238 #define MSG_SYN 0x400
239 #define MSG_CONFIRM 0x800
240 #define MSG_RST 0x1000
241 #define MSG_ERRQUEUE 0x2000
242 #define MSG_NOSIGNAL 0x4000
243 #define MSG_MORE 0x8000
244 #define MSG_WAITFORONE 0x10000
245 #define MSG_BATCH 0x40000
246 #define MSG_FASTOPEN 0x20000000
247 #define MSG_CMSG_CLOEXEC 0x40000000
248 #define MSG_EOF MSG_FIN
249 #define MSG_CMSG_COMPAT 0
250 
251 #define SOL_IP 0
252 #define SOL_TCP 6
253 #define SOL_UDP 17
254 #define SOL_IPV6 41
255 #define SOL_ICMPV6 58
256 #define SOL_SCTP 132
257 #define SOL_RAW 255
258 #define SOL_IPX 256
259 #define SOL_AX25 257
260 #define SOL_ATALK 258
261 #define SOL_NETROM 259
262 #define SOL_ROSE 260
263 #define SOL_DECNET 261
264 #define SOL_X25 262
265 #define SOL_PACKET 263
266 #define SOL_ATM 264
267 #define SOL_AAL 265
268 #define SOL_IRDA 266
269 #define SOL_NETBEUI 267
270 #define SOL_LLC 268
271 #define SOL_DCCP 269
272 #define SOL_NETLINK 270
273 #define SOL_TIPC 271
274 #define SOL_RXRPC 272
275 #define SOL_PPPOL2TP 273
276 #define SOL_BLUETOOTH 274
277 #define SOL_PNPIPE 275
278 #define SOL_RDS 276
279 #define SOL_IUCV 277
280 #define SOL_CAIF 278
281 #define SOL_ALG 279
282 #define SOL_NFC 280
283 #define SOL_KCM 281
284 #define SOL_TLS 282
285 
286 #define IPX_TYPE 1
287 
288 #ifdef __i386__
289 # define __socketcall extern __attribute__((__cdecl__))
290 #else
291 # define __socketcall extern
292 #endif
293 
294 __socketcall int accept(int __fd, struct sockaddr* __addr, socklen_t* __addr_length);
295 
296 #if __ANDROID_API__ >= 21
297 __socketcall int accept4(int __fd, struct sockaddr* __addr, socklen_t* __addr_length, int __flags) __INTRODUCED_IN(21);
298 #endif /* __ANDROID_API__ >= 21 */
299 
300 __socketcall int bind(int __fd, const struct sockaddr* __addr, socklen_t __addr_length);
301 __socketcall int connect(int __fd, const struct sockaddr* __addr, socklen_t __addr_length);
302 __socketcall int getpeername(int __fd, struct sockaddr* __addr, socklen_t* __addr_length);
303 __socketcall int getsockname(int __fd, struct sockaddr* __addr, socklen_t* __addr_length);
304 __socketcall int getsockopt(int __fd, int __level, int __option, void* __value, socklen_t* __value_length);
305 __socketcall int listen(int __fd, int __backlog);
306 
307 #if __ANDROID_API__ >= 21
308 __socketcall int recvmmsg(int __fd, struct mmsghdr* __msgs, unsigned int __msg_count, int __flags, const struct timespec* __timeout)
309   __INTRODUCED_IN(21);
310 #endif /* __ANDROID_API__ >= 21 */
311 
312 __socketcall ssize_t recvmsg(int __fd, struct msghdr* __msg, int __flags);
313 
314 #if __ANDROID_API__ >= 21
315 __socketcall int sendmmsg(int __fd, const struct mmsghdr* __msgs, unsigned int __msg_count, int __flags) __INTRODUCED_IN(21);
316 #endif /* __ANDROID_API__ >= 21 */
317 
318 __socketcall ssize_t sendmsg(int __fd, const struct msghdr* __msg, int __flags);
319 __socketcall int setsockopt(int __fd, int __level, int __option, const void* __value, socklen_t __value_length);
320 __socketcall int shutdown(int __fd, int __how);
321 __socketcall int socket(int __af, int __type, int __protocol);
322 __socketcall int socketpair(int __af, int __type, int __protocol, int __fds[2]);
323 
324 ssize_t recv(int __fd, void* __buf, size_t __n, int __flags);
325 ssize_t send(int __fd, const void* __buf, size_t __n, int __flags);
326 
327 __socketcall ssize_t sendto(int __fd, const void* __buf, size_t __n, int __flags, const struct sockaddr* __dst_addr, socklen_t __dst_addr_length);
328 __socketcall ssize_t recvfrom(int __fd, void* __buf, size_t __n, int __flags, struct sockaddr* __src_addr, socklen_t* __src_addr_length);
329 
330 #if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
331 #include <bits/fortify/socket.h>
332 #endif
333 
334 #undef __socketcall
335 
336 __END_DECLS
337 
338 #endif
339