1 /* $NetBSD: osf1_socket.c,v 1.21 2015/08/08 12:02:35 maxv Exp $ */
2
3 /*
4 * Copyright (c) 1999 Christopher G. Demetriou. 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 Christopher G. Demetriou
17 * for the NetBSD Project.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
35 * All rights reserved.
36 *
37 * Author: Chris G. Demetriou
38 *
39 * Permission to use, copy, modify and distribute this software and
40 * its documentation is hereby granted, provided that both the copyright
41 * notice and this permission notice appear in all copies of the
42 * software, derivative works or modified versions, and any portions
43 * thereof, and that both notices appear in supporting documentation.
44 *
45 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
46 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
47 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
48 *
49 * Carnegie Mellon requests users of this software to return to
50 *
51 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
52 * School of Computer Science
53 * Carnegie Mellon University
54 * Pittsburgh PA 15213-3890
55 *
56 * any improvements or extensions that they make and grant Carnegie the
57 * rights to redistribute these changes.
58 */
59
60 #include <sys/cdefs.h>
61 __KERNEL_RCSID(0, "$NetBSD: osf1_socket.c,v 1.21 2015/08/08 12:02:35 maxv Exp $");
62
63 #include <sys/param.h>
64 #include <sys/systm.h>
65 #include <sys/namei.h>
66 #include <sys/proc.h>
67 #include <sys/file.h>
68 #include <sys/mount.h>
69 #include <sys/syscallargs.h>
70 #include <sys/socket.h>
71 #include <sys/socketvar.h>
72 #include <sys/exec.h>
73
74 #include <compat/osf1/osf1.h>
75 #include <compat/osf1/osf1_syscallargs.h>
76 #include <compat/common/compat_util.h>
77 #include <compat/osf1/osf1_cvt.h>
78
79 int
osf1_sys_recvmsg_xopen(struct lwp * l,const struct osf1_sys_recvmsg_xopen_args * uap,register_t * retval)80 osf1_sys_recvmsg_xopen(struct lwp *l, const struct osf1_sys_recvmsg_xopen_args *uap, register_t *retval)
81 {
82
83 /* XXX */
84 return (EINVAL);
85 }
86
87 int
osf1_sys_sendmsg_xopen(struct lwp * l,const struct osf1_sys_sendmsg_xopen_args * uap,register_t * retval)88 osf1_sys_sendmsg_xopen(struct lwp *l, const struct osf1_sys_sendmsg_xopen_args *uap, register_t *retval)
89 {
90 struct osf1_msghdr_xopen osf_msghdr;
91 struct osf1_iovec_xopen osf_iovec, *osf_iovec_ptr;
92 struct msghdr bsd_msghdr;
93 struct iovec *bsd_iovec;
94 unsigned long leftovers;
95 int flags;
96 unsigned int i, iov_len;
97 int error;
98
99 /*
100 * translate msghdr structure
101 */
102 if ((error = copyin(SCARG(uap, msg), &osf_msghdr,
103 sizeof osf_msghdr)) != 0)
104 return (error);
105
106 error = osf1_cvt_msghdr_xopen_to_native(&osf_msghdr, &bsd_msghdr);
107 if (error != 0)
108 return (error);
109
110 /*
111 * translate flags
112 */
113 flags = emul_flags_translate(osf1_sendrecv_msg_flags_xtab,
114 SCARG(uap, flags), &leftovers);
115 if (leftovers != 0)
116 return (EINVAL);
117
118 iov_len = bsd_msghdr.msg_iovlen;
119 if ((iov_len > IOV_MAX) || (iov_len == 0))
120 return EMSGSIZE;
121 bsd_iovec = kmem_alloc(iov_len * sizeof(struct iovec), KM_SLEEP);
122 bsd_msghdr.msg_iov = bsd_iovec;
123
124 osf_iovec_ptr = osf_msghdr.msg_iov;
125 for (i = 0; i < iov_len; i++) {
126 error = copyin(&osf_iovec_ptr[i], &osf_iovec, sizeof osf_iovec);
127 if (error != 0)
128 goto err;
129 bsd_iovec[i].iov_base = osf_iovec.iov_base;
130 bsd_iovec[i].iov_len = osf_iovec.iov_len;
131 }
132
133 error = do_sys_sendmsg(l, SCARG(uap, s), &bsd_msghdr, flags, retval);
134 err:
135 kmem_free(bsd_iovec, iov_len * sizeof(struct iovec));
136 return error;
137 }
138
139 int
osf1_sys_sendto(struct lwp * l,const struct osf1_sys_sendto_args * uap,register_t * retval)140 osf1_sys_sendto(struct lwp *l, const struct osf1_sys_sendto_args *uap, register_t *retval)
141 {
142 struct sys_sendto_args a;
143 unsigned long leftovers;
144
145 SCARG(&a, s) = SCARG(uap, s);
146 SCARG(&a, buf) = SCARG(uap, buf);
147 SCARG(&a, len) = SCARG(uap, len);
148 SCARG(&a, to) = SCARG(uap, to);
149 SCARG(&a, tolen) = SCARG(uap, tolen);
150
151 /* translate flags */
152 SCARG(&a, flags) = emul_flags_translate(osf1_sendrecv_msg_flags_xtab,
153 SCARG(uap, flags), &leftovers);
154 if (leftovers != 0)
155 return (EINVAL);
156
157 return sys_sendto(l, &a, retval);
158 }
159
160 int
osf1_sys_socket(struct lwp * l,const struct osf1_sys_socket_args * uap,register_t * retval)161 osf1_sys_socket(struct lwp *l, const struct osf1_sys_socket_args *uap, register_t *retval)
162 {
163 struct compat_30_sys_socket_args a;
164
165 /* XXX TRANSLATE */
166
167 if (SCARG(uap, domain) > AF_LINK)
168 return (EINVAL); /* XXX After AF_LINK, divergence. */
169
170 SCARG(&a, domain) = SCARG(uap, domain);
171 SCARG(&a, type) = SCARG(uap, type);
172 SCARG(&a, protocol) = SCARG(uap, protocol);
173
174 return compat_30_sys_socket(l, &a, retval);
175 }
176
177 int
osf1_sys_socketpair(struct lwp * l,const struct osf1_sys_socketpair_args * uap,register_t * retval)178 osf1_sys_socketpair(struct lwp *l, const struct osf1_sys_socketpair_args *uap, register_t *retval)
179 {
180 struct sys_socketpair_args a;
181
182 /* XXX TRANSLATE */
183
184 if (SCARG(uap, domain) > AF_LINK)
185 return (EINVAL); /* XXX After AF_LINK, divergence. */
186
187 SCARG(&a, domain) = SCARG(uap, domain);
188 SCARG(&a, type) = SCARG(uap, type);
189 SCARG(&a, protocol) = SCARG(uap, protocol);
190 SCARG(&a, rsv) = SCARG(uap, rsv);
191
192 return sys_socketpair(l, &a, retval);
193 }
194