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#include <unistd.h>
29#include <sys/socket.h>
30#include <sys/linux-syscalls.h>
31
32enum
33{
34    SYS_SOCKET = 1,
35    SYS_BIND,
36    SYS_CONNECT,
37    SYS_LISTEN,
38    SYS_ACCEPT,
39    SYS_GETSOCKNAME,
40    SYS_GETPEERNAME,
41    SYS_SOCKETPAIR,
42    SYS_SEND,
43    SYS_RECV,
44    SYS_SENDTO,
45    SYS_RECVFROM,
46    SYS_SHUTDOWN,
47    SYS_SETSOCKOPT,
48    SYS_GETSOCKOPT,
49    SYS_SENDMSG,
50    SYS_RECVMSG
51};
52
53#ifndef __NR_socket
54int socket(int domain, int type, int protocol)
55{
56    unsigned long  t[3];
57
58    t[0] = (unsigned long) domain;
59    t[1] = (unsigned long) type;
60    t[2] = (unsigned long) protocol;
61
62    return (int) __socketcall( SYS_SOCKET, t );
63}
64#endif /* !__NR_socket */
65
66
67#ifndef __NR_bind
68int bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen)
69{
70    unsigned long  t[3];
71
72    t[0] = (unsigned long) sockfd;
73    t[1] = (unsigned long) my_addr;
74    t[2] = (unsigned long) addrlen;
75
76    return (int) __socketcall( SYS_BIND, t );
77}
78#endif  /* !__NR_bind */
79
80#ifndef __NR_connect
81int connect(int sockfd, const struct sockaddr *serv_addr, socklen_t  addrlen )
82{
83    unsigned long  t[3];
84
85    t[0] = (unsigned long) sockfd;
86    t[1] = (unsigned long) serv_addr;
87    t[2] = (unsigned long) addrlen;
88
89    return (int) __socketcall( SYS_CONNECT, t );
90}
91#endif /* !__NR_connect */
92
93#ifndef __NR_listen
94int listen(int s, int backlog)
95{
96    unsigned long  t[2];
97
98    t[0] = (unsigned long) s;
99    t[1] = (unsigned long) backlog;
100
101    return (int) __socketcall( SYS_LISTEN, t );
102}
103#endif /* __NR_listen */
104
105#ifndef __NR_accept
106int accept(int sock, struct sockaddr *adresse, socklen_t *longueur)
107{
108    unsigned long  t[3];
109
110    t[0] = (unsigned long) sock;
111    t[1] = (unsigned long) adresse;
112    t[2] = (unsigned long) longueur;
113
114    return (int) __socketcall( SYS_ACCEPT, t );
115}
116#endif /* __NR_accept */
117
118#ifndef __NR_getsockname
119int getsockname(int s, struct sockaddr * name, socklen_t * namelen )
120{
121    unsigned long  t[3];
122
123    t[0] = (unsigned long) s;
124    t[1] = (unsigned long) name;
125    t[2] = (unsigned long) namelen;
126
127    return (int) __socketcall( SYS_GETSOCKNAME, t );
128}
129#endif /* __NR_getsockname */
130
131#ifndef __NR_getpeername
132int getpeername(int s, struct sockaddr *name, socklen_t *namelen)
133{
134    unsigned long  t[3];
135
136    t[0] = (unsigned long) s;
137    t[1] = (unsigned long) name;
138    t[2] = (unsigned long) namelen;
139
140    return (int) __socketcall( SYS_GETPEERNAME, t );
141}
142#endif /* !__NR_getpeername */
143
144#ifndef __NR_socketpair
145int socketpair(int d, int type, int protocol, int sv[2])
146{
147    unsigned long  t[4];
148
149    t[0] = (unsigned long) d;
150    t[1] = (unsigned long) type;
151    t[2] = (unsigned long) protocol;
152    t[3] = (unsigned long) sv;
153
154    return (int) __socketcall( SYS_SOCKETPAIR, t );
155}
156#endif /* __NR_socketpair */
157
158#ifndef __NR_sendto
159ssize_t sendto(int socket, const void *message, size_t length, int flags,
160      const struct sockaddr *dest_addr, socklen_t dest_len)
161{
162    unsigned long  t[6];
163
164    t[0] = (unsigned long) socket;
165    t[1] = (unsigned long) message;
166    t[2] = (unsigned long) length;
167    t[3] = (unsigned long) flags;
168    t[4] = (unsigned long) dest_addr;
169    t[5] = (unsigned long) dest_len;
170
171   return __socketcall( SYS_SENDTO, t );
172}
173#endif /* !__NR_sendto */
174
175#ifndef __NR_recvfrom
176ssize_t recvfrom(int socket, void *buffer, size_t length, unsigned int flags,
177             const struct sockaddr *address, socklen_t *address_len)
178{
179    unsigned long  t[6];
180
181    t[0] = (unsigned long) socket;
182    t[1] = (unsigned long) buffer;
183    t[2] = (unsigned long) length;
184    t[3] = (unsigned long) flags;
185    t[4] = (unsigned long) address;
186    t[5] = (unsigned long) address_len;
187
188   return __socketcall( SYS_RECVFROM, t );
189}
190#endif /* !__NR_recvfrom */
191
192#ifndef __NR_shutdown
193int shutdown(int socket, int how)
194{
195    unsigned long  t[2];
196
197    t[0] = (unsigned long) socket;
198    t[1] = (unsigned long) how;
199
200   return (int) __socketcall( SYS_SHUTDOWN, t );
201}
202#endif /* !__NR_shutdown */
203
204#ifndef __NR_setsockopt
205int  setsockopt( int  s, int  level, int  optname, const void*  optval, socklen_t  optlen )
206{
207    unsigned long  t[5];
208
209    t[0] = (unsigned long) s;
210    t[1] = (unsigned long) level;
211    t[2] = (unsigned long) optname;
212    t[3] = (unsigned long) optval;
213    t[4] = (unsigned long) optlen;
214
215   return (int) __socketcall( SYS_SETSOCKOPT, t );
216}
217#endif /* !__NR_setsockopt */
218
219#ifndef __NR_getsockopt
220int getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen)
221{
222    unsigned long  t[5];
223
224    t[0] = (unsigned long) s;
225    t[1] = (unsigned long) level;
226    t[2] = (unsigned long) optname;
227    t[3] = (unsigned long) optval;
228    t[4] = (unsigned long) optlen;
229
230    return (int) __socketcall( SYS_GETSOCKOPT, t );
231}
232#endif /* !__NR_getsockopt */
233
234#ifndef __NR_sendmsg
235int sendmsg (int socket, const struct msghdr *message, unsigned int flags)
236{
237    unsigned long  t[3];
238
239    t[0] = (unsigned long) socket;
240    t[1] = (unsigned long) message;
241    t[2] = (unsigned long) flags;
242
243   return __socketcall( SYS_SENDMSG, t );
244}
245#endif /* __NR_sendmsg */
246
247#ifndef __NR_recvmsg
248int recvmsg(int socket, struct msghdr *message, unsigned int flags)
249{
250    unsigned long  t[3];
251
252    t[0] = (unsigned long) socket;
253    t[1] = (unsigned long) message;
254    t[2] = (unsigned long) flags;
255
256   return __socketcall( SYS_RECVMSG, t );
257}
258#endif /* __NR_recvmsg */
259
260