xref: /netbsd-src/sys/compat/linux32/common/linux32_socketcall.c (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: linux32_socketcall.c,v 1.1 2006/02/09 19:18:57 manu Exp $ */
2 
3 /*-
4  * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Emmanuel Dreyfus
17  * 4. The name of the author may not be used to endorse or promote
18  *    products derived from this software without specific prior written
19  *    permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: linux32_socketcall.c,v 1.1 2006/02/09 19:18:57 manu Exp $");
35 
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/time.h>
39 #include <sys/ucred.h>
40 
41 #include <compat/netbsd32/netbsd32.h>
42 #include <compat/netbsd32/netbsd32_syscallargs.h>
43 
44 #include <compat/linux/common/linux_types.h>
45 #include <compat/linux/common/linux_signal.h>
46 #include <compat/linux/linux_syscallargs.h>
47 
48 #include <compat/linux32/common/linux32_types.h>
49 #include <compat/linux32/common/linux32_signal.h>
50 #include <compat/linux32/common/linux32_machdep.h>
51 #include <compat/linux32/common/linux32_sysctl.h>
52 #include <compat/linux32/common/linux32_socketcall.h>
53 #include <compat/linux32/linux32_syscallargs.h>
54 
55 #define s(f) sizeof(struct s1(f))
56 #define s1(f) f ## _args
57 
58 static const struct {
59 	const char *name;
60 	int argsize;
61 	int (*syscall)(struct lwp *, void *, register_t *);
62 } linux32_socketcall[LINUX32_MAX_SOCKETCALL+1] = {
63 	{"invalid",	-1, NULL},
64 	{"socket",	s(linux32_sys_socket), linux32_sys_socket},
65 	{"bind",	s(linux32_sys_bind), linux32_sys_bind},
66 	{"connect",	s(linux32_sys_connect), linux32_sys_connect},
67 	{"listen",	s(netbsd32_listen), netbsd32_listen},
68 	{"accept",	s(linux32_sys_accept), linux32_sys_accept},
69 	{"getsockname",	s(linux32_sys_getsockname), linux32_sys_getsockname},
70 	{"getpeername",	s(linux32_sys_getpeername), linux32_sys_getpeername},
71 	{"socketpair",	s(linux32_sys_socketpair), linux32_sys_socketpair},
72 	{"send",	s(linux32_sys_send), linux32_sys_send},
73 	{"recv",	s(linux32_sys_recv), linux32_sys_recv},
74 	{"sendto",	s(linux32_sys_sendto), linux32_sys_sendto},
75 	{"recvfrom",	s(linux32_sys_recvfrom), linux32_sys_recvfrom},
76 	{"shutdown",	s(netbsd32_shutdown), netbsd32_shutdown},
77 	{"setsockopt",	s(linux32_sys_setsockopt), linux32_sys_setsockopt},
78 	{"getsockopt",	s(linux32_sys_getsockopt), linux32_sys_getsockopt},
79 	{"sendmsg",	s(linux32_sys_sendmsg), linux32_sys_sendmsg},
80 	{"recvmsg",	s(linux32_sys_recvmsg), linux32_sys_recvmsg},
81 };
82 #undef s
83 
84 int
85 linux32_sys_socketcall(l, v, retval)
86 	struct lwp *l;
87 	void *v;
88 	register_t *retval;
89 {
90 	struct linux32_sys_socketcall_args /* {
91 		syscallarg(int) what;
92 		syscallarg(netbsd32_voidp) args;
93 	} */ *uap = v;
94 	union linux32_socketcall_args ua;
95 	int error;
96 
97 	if (SCARG(uap, what) < 0 || SCARG(uap, what) > LINUX32_MAX_SOCKETCALL)
98 		return ENOSYS;
99 
100 	if ((error = copyin(NETBSD32PTR64(SCARG(uap, args)), &ua,
101 	    linux32_socketcall[SCARG(uap, what)].argsize)) != 0)
102 		return error;
103 
104 	return linux32_socketcall[SCARG(uap, what)].syscall(l, &ua, retval);
105 }
106