summaryrefslogtreecommitdiff
path: root/libc/inet/socketcalls.c
blob: 9a6e2e151b511a20dca55ef5f061e77990ed0787 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
/*
 * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
 *
 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 */

#define __FORCE_GLIBC
#include <features.h>
#include <errno.h>
#include <syscall.h>
#include <sys/socket.h>

#ifdef __NR_socketcall
extern int __socketcall(int call, unsigned long *args) attribute_hidden;

/* Various socketcall numbers */
#define SYS_SOCKET      1
#define SYS_BIND        2
#define SYS_CONNECT     3
#define SYS_LISTEN      4
#define SYS_ACCEPT      5
#define SYS_GETSOCKNAME 6
#define SYS_GETPEERNAME 7
#define SYS_SOCKETPAIR  8
#define SYS_SEND        9
#define SYS_RECV        10
#define SYS_SENDTO      11
#define SYS_RECVFROM    12
#define SYS_SHUTDOWN    13
#define SYS_SETSOCKOPT  14
#define SYS_GETSOCKOPT  15
#define SYS_SENDMSG     16
#define SYS_RECVMSG     17
#endif


#ifdef L_accept
extern __typeof(accept) __libc_accept;
#ifdef __NR_accept
#define __NR___libc_accept  __NR_accept
_syscall3(int, __libc_accept, int, call, struct sockaddr *, addr, socklen_t *,addrlen);
#elif defined(__NR_socketcall)
int __libc_accept(int s, struct sockaddr *addr, socklen_t * addrlen)
{
	unsigned long args[3];

	args[0] = s;
	args[1] = (unsigned long) addr;
	args[2] = (unsigned long) addrlen;
	return __socketcall(SYS_ACCEPT, args);
}
#endif
libc_hidden_proto(accept)
weak_alias(__libc_accept,accept)
libc_hidden_weak(accept)
#endif

#ifdef L_bind
libc_hidden_proto(bind)
#ifdef __NR_bind
_syscall3(int, bind, int, sockfd, const struct sockaddr *, myaddr, socklen_t, addrlen);
#elif defined(__NR_socketcall)
int bind(int sockfd, const struct sockaddr *myaddr, socklen_t addrlen)
{
	unsigned long args[3];

	args[0] = sockfd;
	args[1] = (unsigned long) myaddr;
	args[2] = addrlen;
	return __socketcall(SYS_BIND, args);
}
#endif
libc_hidden_def(bind)
#endif

#ifdef L_connect
extern __typeof(connect) __libc_connect;
#ifdef __NR_connect
#define __NR___libc_connect __NR_connect
_syscall3(int, __libc_connect, int, sockfd, const struct sockaddr *, saddr, socklen_t, addrlen);
#elif defined(__NR_socketcall)
int __libc_connect(int sockfd, const struct sockaddr *saddr, socklen_t addrlen)
{
	unsigned long args[3];

	args[0] = sockfd;
	args[1] = (unsigned long) saddr;
	args[2] = addrlen;
	return __socketcall(SYS_CONNECT, args);
}
#endif
libc_hidden_proto(connect)
weak_alias(__libc_connect,connect)
libc_hidden_weak(connect)
#endif

#ifdef L_getpeername
#ifdef __NR_getpeername
_syscall3(int, getpeername, int, sockfd, struct sockaddr *, addr, socklen_t *,paddrlen);
#elif defined(__NR_socketcall)
int getpeername(int sockfd, struct sockaddr *addr, socklen_t * paddrlen)
{
	unsigned long args[3];

	args[0] = sockfd;
	args[1] = (unsigned long) addr;
	args[2] = (unsigned long) paddrlen;
	return __socketcall(SYS_GETPEERNAME, args);
}
#endif
#endif

#ifdef L_getsockname
libc_hidden_proto(getsockname)
#ifdef __NR_getsockname
_syscall3(int, getsockname, int, sockfd, struct sockaddr *, addr, socklen_t *,paddrlen);
#elif defined(__NR_socketcall)
int getsockname(int sockfd, struct sockaddr *addr, socklen_t * paddrlen)
{
	unsigned long args[3];

	args[0] = sockfd;
	args[1] = (unsigned long) addr;
	args[2] = (unsigned long) paddrlen;
	return __socketcall(SYS_GETSOCKNAME, args);
}
#endif
libc_hidden_def(getsockname)
#endif

#ifdef L_getsockopt
#ifdef __NR_getsockopt
_syscall5(int, getsockopt, int, fd, int, level, int, optname, __ptr_t, optval, socklen_t *, optlen);
#elif defined(__NR_socketcall)
int getsockopt(int fd, int level, int optname, __ptr_t optval,
		   socklen_t * optlen)
{
	unsigned long args[5];

	args[0] = fd;
	args[1] = level;
	args[2] = optname;
	args[3] = (unsigned long) optval;
	args[4] = (unsigned long) optlen;
	return (__socketcall(SYS_GETSOCKOPT, args));
}
#endif
#endif

#ifdef L_listen
libc_hidden_proto(listen)
#ifdef __NR_listen
_syscall2(int, listen, int, sockfd, int, backlog);
#elif defined(__NR_socketcall)
int listen(int sockfd, int backlog)
{
	unsigned long args[2];

	args[0] = sockfd;
	args[1] = backlog;
	return __socketcall(SYS_LISTEN, args);
}
#endif
libc_hidden_def(listen)
#endif

#ifdef L_recv
extern __typeof(recv) __libc_recv;
#ifdef __NR_recv
#define __NR___libc_recv __NR_recv
_syscall4(ssize_t, __libc_recv, int, sockfd, __ptr_t, buffer, size_t, len, int, flags);
#elif defined(__NR_socketcall)
/* recv, recvfrom added by bir7@leland.stanford.edu */
ssize_t __libc_recv(int sockfd, __ptr_t buffer, size_t len, int flags)
{
	unsigned long args[4];

	args[0] = sockfd;
	args[1] = (unsigned long) buffer;
	args[2] = len;
	args[3] = flags;
	return (__socketcall(SYS_RECV, args));
}
#elif defined(__NR_recvfrom)
libc_hidden_proto(recvfrom)
ssize_t __libc_recv(int sockfd, __ptr_t buffer, size_t len, int flags)
{
	return (recvfrom(sockfd, buffer, len, flags, NULL, NULL));
}
#endif
libc_hidden_proto(recv)
weak_alias(__libc_recv,recv)
libc_hidden_weak(recv)
#endif

#ifdef L_recvfrom
extern __typeof(recvfrom) __libc_recvfrom;
#ifdef __NR_recvfrom
#define __NR___libc_recvfrom __NR_recvfrom
_syscall6(ssize_t, __libc_recvfrom, int, sockfd, __ptr_t, buffer, size_t, len, int, flags, 
	struct sockaddr *, to, socklen_t *, tolen);
#elif defined(__NR_socketcall)
/* recv, recvfrom added by bir7@leland.stanford.edu */
ssize_t __libc_recvfrom(int sockfd, __ptr_t buffer, size_t len, int flags,
		 struct sockaddr *to, socklen_t * tolen)
{
	unsigned long args[6];

	args[0] = sockfd;
	args[1] = (unsigned long) buffer;
	args[2] = len;
	args[3] = flags;
	args[4] = (unsigned long) to;
	args[5] = (unsigned long) tolen;
	return (__socketcall(SYS_RECVFROM, args));
}
#endif
libc_hidden_proto(recvfrom)
weak_alias(__libc_recvfrom,recvfrom)
libc_hidden_weak(recvfrom)
#endif

#ifdef L_recvmsg
extern __typeof(recvmsg) __libc_recvmsg;
#ifdef __NR_recvmsg
#define __NR___libc_recvmsg __NR_recvmsg
_syscall3(ssize_t, __libc_recvmsg, int, sockfd, struct msghdr *, msg, int, flags);
#elif defined(__NR_socketcall)
ssize_t __libc_recvmsg(int sockfd, struct msghdr *msg, int flags)
{
	unsigned long args[3];

	args[0] = sockfd;
	args[1] = (unsigned long) msg;
	args[2] = flags;
	return (__socketcall(SYS_RECVMSG, args));
}
#endif
libc_hidden_proto(recvmsg)
weak_alias(__libc_recvmsg,recvmsg)
libc_hidden_weak(recvmsg)
#endif

#ifdef L_send
extern __typeof(send) __libc_send;
#ifdef __NR_send
#define __NR___libc_send    __NR_send
_syscall4(ssize_t, __libc_send, int, sockfd, const void *, buffer, size_t, len, int, flags);
#elif defined(__NR_socketcall)
/* send, sendto added by bir7@leland.stanford.edu */
ssize_t __libc_send(int sockfd, const void *buffer, size_t len, int flags)
{
	unsigned long args[4];

	args[0] = sockfd;
	args[1] = (unsigned long) buffer;
	args[2] = len;
	args[3] = flags;
	return (__socketcall(SYS_SEND, args));
}
#elif defined(__NR_sendto)
libc_hidden_proto(sendto)
ssize_t __libc_send(int sockfd, const void *buffer, size_t len, int flags)
{
	return (sendto(sockfd, buffer, len, flags, NULL, 0));
}
#endif
libc_hidden_proto(send)
weak_alias(__libc_send,send)
libc_hidden_weak(send)
#endif

#ifdef L_sendmsg
extern __typeof(sendmsg) __libc_sendmsg;
#ifdef __NR_sendmsg
#define __NR___libc_sendmsg __NR_sendmsg
_syscall3(ssize_t, __libc_sendmsg, int, sockfd, const struct msghdr *, msg, int, flags);
#elif defined(__NR_socketcall)
ssize_t __libc_sendmsg(int sockfd, const struct msghdr *msg, int flags)
{
	unsigned long args[3];

	args[0] = sockfd;
	args[1] = (unsigned long) msg;
	args[2] = flags;
	return (__socketcall(SYS_SENDMSG, args));
}
#endif
libc_hidden_proto(sendmsg)
weak_alias(__libc_sendmsg,sendmsg)
libc_hidden_weak(sendmsg)
#endif

#ifdef L_sendto
extern __typeof(sendto) __libc_sendto;
#ifdef __NR_sendto
#define __NR___libc_sendto  __NR_sendto
_syscall6(ssize_t, __libc_sendto, int, sockfd, const void *, buffer, size_t, len, 
	int, flags, const struct sockaddr *, to, socklen_t, tolen);
#elif defined(__NR_socketcall)
/* send, sendto added by bir7@leland.stanford.edu */
ssize_t __libc_sendto(int sockfd, const void *buffer, size_t len, int flags,
	   const struct sockaddr *to, socklen_t tolen)
{
	unsigned long args[6];

	args[0] = sockfd;
	args[1] = (unsigned long) buffer;
	args[2] = len;
	args[3] = flags;
	args[4] = (unsigned long) to;
	args[5] = tolen;
	return (__socketcall(SYS_SENDTO, args));
}
#endif
libc_hidden_proto(sendto)
weak_alias(__libc_sendto,sendto)
libc_hidden_weak(sendto)
#endif

#ifdef L_setsockopt
libc_hidden_proto(setsockopt)
#ifdef __NR_setsockopt
_syscall5(int, setsockopt, int, fd, int, level, int, optname, const void *, optval, socklen_t, optlen);
#elif defined(__NR_socketcall)
/* [sg]etsockoptions by bir7@leland.stanford.edu */
int setsockopt(int fd, int level, int optname, const void *optval,
		   socklen_t optlen)
{
	unsigned long args[5];

	args[0] = fd;
	args[1] = level;
	args[2] = optname;
	args[3] = (unsigned long) optval;
	args[4] = optlen;
	return (__socketcall(SYS_SETSOCKOPT, args));
}
#endif
libc_hidden_def(setsockopt)
#endif

#ifdef L_shutdown
#ifdef __NR_shutdown
_syscall2(int, shutdown, int, sockfd, int, how);
#elif defined(__NR_socketcall)
/* shutdown by bir7@leland.stanford.edu */
int shutdown(int sockfd, int how)
{
	unsigned long args[2];

	args[0] = sockfd;
	args[1] = how;
	return (__socketcall(SYS_SHUTDOWN, args));
}
#endif
#endif

#ifdef L_socket
libc_hidden_proto(socket)
#ifdef __NR_socket
_syscall3(int, socket, int, family, int, type, int, protocol);
#elif defined(__NR_socketcall)
int socket(int family, int type, int protocol)
{
	unsigned long args[3];

	args[0] = family;
	args[1] = type;
	args[2] = (unsigned long) protocol;
	return __socketcall(SYS_SOCKET, args);
}
#endif
libc_hidden_def(socket)
#endif

#ifdef L_socketpair
#ifdef __NR_socketpair
_syscall4(int, socketpair, int, family, int, type, int, protocol, int *, sockvec);
#elif defined(__NR_socketcall)
int socketpair(int family, int type, int protocol, int sockvec[2])
{
	unsigned long args[4];

	args[0] = family;
	args[1] = type;
	args[2] = protocol;
	args[3] = (unsigned long) sockvec;
	return __socketcall(SYS_SOCKETPAIR, args);
}
#endif
#endif