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
32 enum
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
socket(int domain,int type,int protocol)54 int 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
bind(int sockfd,const struct sockaddr * my_addr,socklen_t addrlen)68 int 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
connect(int sockfd,const struct sockaddr * serv_addr,socklen_t addrlen)81 int 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
listen(int s,int backlog)94 int 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
accept(int sock,struct sockaddr * adresse,socklen_t * longueur)106 int 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
getsockname(int s,struct sockaddr * name,socklen_t * namelen)119 int 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
getpeername(int s,struct sockaddr * name,socklen_t * namelen)132 int 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
socketpair(int d,int type,int protocol,int sv[2])145 int 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
sendto(int socket,const void * message,size_t length,int flags,const struct sockaddr * dest_addr,socklen_t dest_len)159 ssize_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
recvfrom(int socket,void * buffer,size_t length,unsigned int flags,const struct sockaddr * address,socklen_t * address_len)176 ssize_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
shutdown(int socket,int how)193 int 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
setsockopt(int s,int level,int optname,const void * optval,socklen_t optlen)205 int 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
getsockopt(int s,int level,int optname,void * optval,socklen_t * optlen)220 int 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
sendmsg(int socket,const struct msghdr * message,unsigned int flags)235 int 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
recvmsg(int socket,struct msghdr * message,unsigned int flags)248 int 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