1 /* $NetBSD: kern_uipc_socket_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $ */
2
3 /*
4 * Copyright (c) 2002, 2007, 2008, 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of Wasabi Systems, Inc, and by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Copyright (c) 2004 The FreeBSD Foundation
34 * Copyright (c) 2004 Robert Watson
35 * Copyright (c) 1982, 1986, 1988, 1990, 1993
36 * The Regents of the University of California. All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. Neither the name of the University nor the names of its contributors
47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60 * SUCH DAMAGE.
61 *
62 * @(#)uipc_socket.c 8.6 (Berkeley) 5/2/95
63 */
64
65 /*
66 * Copyright (c) 1988 University of Utah.
67 * Copyright (c) 1990, 1993
68 * The Regents of the University of California. All rights reserved.
69 *
70 * This code is derived from software contributed to Berkeley by
71 * the Systems Programming Group of the University of Utah Computer
72 * Science Department.
73 *
74 * Redistribution and use in source and binary forms, with or without
75 * modification, are permitted provided that the following conditions
76 * are met:
77 * 1. Redistributions of source code must retain the above copyright
78 * notice, this list of conditions and the following disclaimer.
79 * 2. Redistributions in binary form must reproduce the above copyright
80 * notice, this list of conditions and the following disclaimer in the
81 * documentation and/or other materials provided with the distribution.
82 * 3. Neither the name of the University nor the names of its contributors
83 * may be used to endorse or promote products derived from this software
84 * without specific prior written permission.
85 *
86 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
87 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
89 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
90 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
91 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
92 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
93 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
94 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
95 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
96 * SUCH DAMAGE.
97 *
98 * from: Utah $Hdr: vn.c 1.13 94/04/02$
99 *
100 * @(#)vn.c 8.9 (Berkeley) 5/14/95
101 */
102
103 #include <sys/cdefs.h>
104 __KERNEL_RCSID(0, "$NetBSD: kern_uipc_socket_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $");
105
106 #if defined(_KERNEL_OPT)
107 #include "opt_compat_netbsd.h"
108 #endif
109
110 #include <sys/param.h>
111 #include <sys/systm.h>
112 #include <sys/kernel.h>
113 #include <sys/proc.h>
114 #include <sys/file.h>
115 #include <sys/compat_stub.h>
116 #include <sys/socketvar.h>
117
118 #include <compat/sys/time.h>
119 #include <compat/sys/socket.h>
120
121 #include <compat/common/compat_mod.h>
122
123 static int
uipc_socket_50_getopt1(int opt,struct socket * so,struct sockopt * sopt)124 uipc_socket_50_getopt1(int opt, struct socket *so, struct sockopt *sopt)
125 {
126 int optval, error;
127 struct timeval50 otv;
128
129 switch (opt) {
130
131 case SO_OSNDTIMEO:
132 case SO_ORCVTIMEO:
133 optval = (opt == SO_OSNDTIMEO ?
134 so->so_snd.sb_timeo : so->so_rcv.sb_timeo);
135
136 otv.tv_sec = optval / hz;
137 otv.tv_usec = (optval % hz) * tick;
138
139 error = sockopt_set(sopt, &otv, sizeof(otv));
140 break;
141
142 case SO_OTIMESTAMP:
143 error = sockopt_setint(sopt, (so->so_options & opt) ? 1 : 0);
144 break;
145
146 default:
147 error = EPASSTHROUGH;
148 }
149 return error;
150 }
151
152 static int
uipc_socket_50_setopt1(int opt,struct socket * so,const struct sockopt * sopt)153 uipc_socket_50_setopt1(int opt, struct socket *so, const struct sockopt *sopt)
154 {
155 int optval, error;
156 struct timeval50 otv;
157 struct timeval tv;
158
159 switch (opt) {
160
161 case SO_OSNDTIMEO:
162 case SO_ORCVTIMEO:
163 solock(so);
164
165 error = sockopt_get(sopt, &otv, sizeof(otv));
166 if (error)
167 break;
168
169 timeval50_to_timeval(&otv, &tv);
170
171 /* Code duplicated from sys/kern/uipc_socket.c */
172 if (tv.tv_sec < 0 || tv.tv_usec < 0 || tv.tv_usec >= 1000000) {
173 error = EDOM;
174 break;
175 }
176 if (tv.tv_sec > (INT_MAX - tv.tv_usec / tick) / hz) {
177 error = EDOM;
178 break;
179 }
180
181 optval = tv.tv_sec * hz + tv.tv_usec / tick;
182 if (optval == 0 && tv.tv_usec != 0)
183 optval = 1;
184
185 switch (opt) {
186 case SO_OSNDTIMEO:
187 so->so_snd.sb_timeo = optval;
188 break;
189 case SO_ORCVTIMEO:
190 so->so_rcv.sb_timeo = optval;
191 break;
192 }
193 break;
194
195 case SO_OTIMESTAMP:
196 error = sockopt_getint(sopt, &optval);
197 solock(so);
198 if (error)
199 break;
200 if (optval)
201 so->so_options |= opt;
202 else
203 so->so_options &= ~opt;
204 break;
205
206 default:
207 error = EPASSTHROUGH;
208 }
209 return error;
210 }
211
212 static int
uipc_socket_50_sbts(int opt,struct mbuf *** mp)213 uipc_socket_50_sbts(int opt, struct mbuf ***mp)
214 {
215 struct timeval50 tv50;
216 struct timeval tv;
217
218 microtime(&tv);
219
220 if (opt & SO_OTIMESTAMP) {
221
222 timeval_to_timeval50(&tv, &tv50);
223 **mp = sbcreatecontrol(&tv50, sizeof(tv50), SCM_OTIMESTAMP,
224 SOL_SOCKET);
225 if (**mp)
226 *mp = &(**mp)->m_next;
227 return 0;
228 } else
229 return EPASSTHROUGH;
230 }
231
232 void
kern_uipc_socket_50_init(void)233 kern_uipc_socket_50_init(void)
234 {
235
236 MODULE_HOOK_SET(uipc_socket_50_setopt1_hook, uipc_socket_50_setopt1);
237 MODULE_HOOK_SET(uipc_socket_50_getopt1_hook, uipc_socket_50_getopt1);
238 MODULE_HOOK_SET(uipc_socket_50_sbts_hook, uipc_socket_50_sbts);
239 }
240
241 void
kern_uipc_socket_50_fini(void)242 kern_uipc_socket_50_fini(void)
243 {
244
245 MODULE_HOOK_UNSET(uipc_socket_50_setopt1_hook);
246 MODULE_HOOK_UNSET(uipc_socket_50_getopt1_hook);
247 MODULE_HOOK_UNSET(uipc_socket_50_sbts_hook);
248 }
249