1 /*	$NetBSD: netbsd32_compat_50_sysv.c,v 1.1 2015/12/03 10:38:21 pgoyette Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_50_sysv.c,v 1.1 2015/12/03 10:38:21 pgoyette Exp $");
40 
41 #if defined(_KERNEL_OPT)
42 #include "opt_sysv.h"
43 #include "opt_compat_netbsd.h"
44 #endif
45 
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/msg.h>
49 #include <sys/sem.h>
50 #include <sys/shm.h>
51 
52 #include <compat/netbsd32/netbsd32.h>
53 #include <compat/netbsd32/netbsd32_syscallargs.h>
54 #include <compat/netbsd32/netbsd32_conv.h>
55 
56 #if defined(COMPAT_50)
57 
58 #if defined(SYSVSEM)
59 
60 int
compat_50_netbsd32___semctl14(struct lwp * l,const struct compat_50_netbsd32___semctl14_args * uap,register_t * retval)61 compat_50_netbsd32___semctl14(struct lwp *l, const struct compat_50_netbsd32___semctl14_args *uap, register_t *retval)
62 {
63 	return do_netbsd32___semctl14(l, uap, retval, NULL);
64 }
65 
66 int
do_netbsd32___semctl14(struct lwp * l,const struct compat_50_netbsd32___semctl14_args * uap,register_t * retval,void * vkarg)67 do_netbsd32___semctl14(struct lwp *l, const struct compat_50_netbsd32___semctl14_args *uap, register_t *retval, void *vkarg)
68 {
69 	/* {
70 		syscallarg(int) semid;
71 		syscallarg(int) semnum;
72 		syscallarg(int) cmd;
73 		syscallarg(netbsd32_semun50p_t) arg;
74 	} */
75 	struct semid_ds sembuf;
76 	struct netbsd32_semid_ds50 sembuf32;
77 	int cmd, error;
78 	void *pass_arg;
79 	union __semun karg;
80 	union netbsd32_semun50 karg32;
81 
82 	cmd = SCARG(uap, cmd);
83 
84 	switch (cmd) {
85 	case IPC_SET:
86 	case IPC_STAT:
87 		pass_arg = &sembuf;
88 		break;
89 
90 	case GETALL:
91 	case SETVAL:
92 	case SETALL:
93 		pass_arg = &karg;
94 		break;
95 	default:
96 		pass_arg = NULL;
97 		break;
98 	}
99 
100 	if (pass_arg) {
101 		if (vkarg != NULL)
102 			karg32 = *(union netbsd32_semun50 *)vkarg;
103 		else {
104 			error = copyin(SCARG_P32(uap, arg), &karg32,
105 					sizeof(karg32));
106 			if (error)
107 				return error;
108 		}
109 		if (pass_arg == &karg) {
110 			switch (cmd) {
111 			case GETALL:
112 			case SETALL:
113 				karg.array = NETBSD32PTR64(karg32.array);
114 				break;
115 			case SETVAL:
116 				karg.val = karg32.val;
117 				break;
118 			}
119 		}
120 		if (cmd == IPC_SET) {
121 			error = copyin(NETBSD32PTR64(karg32.buf), &sembuf32,
122 			    sizeof(sembuf32));
123 			if (error)
124 				return (error);
125 			netbsd32_to_semid_ds50(&sembuf32, &sembuf);
126 		}
127 	}
128 
129 	error = semctl1(l, SCARG(uap, semid), SCARG(uap, semnum), cmd,
130 	    pass_arg, retval);
131 
132 	if (error == 0 && cmd == IPC_STAT) {
133 		netbsd32_from_semid_ds50(&sembuf, &sembuf32);
134 		error = copyout(&sembuf32, NETBSD32PTR64(karg32.buf),
135 		    sizeof(sembuf32));
136 	}
137 
138 	return (error);
139 }
140 #endif
141 
142 #if defined(SYSVMSG)
143 
144 int
compat_50_netbsd32___msgctl13(struct lwp * l,const struct compat_50_netbsd32___msgctl13_args * uap,register_t * retval)145 compat_50_netbsd32___msgctl13(struct lwp *l, const struct compat_50_netbsd32___msgctl13_args *uap, register_t *retval)
146 {
147 	/* {
148 		syscallarg(int) msqid;
149 		syscallarg(int) cmd;
150 		syscallarg(netbsd32_msqid_ds50p_t) buf;
151 	} */
152 	struct msqid_ds ds;
153 	struct netbsd32_msqid_ds50 ds32;
154 	int error, cmd;
155 
156 	cmd = SCARG(uap, cmd);
157 	if (cmd == IPC_SET) {
158 		error = copyin(SCARG_P32(uap, buf), &ds32, sizeof(ds32));
159 		if (error)
160 			return error;
161 		netbsd32_to_msqid_ds50(&ds32, &ds);
162 	}
163 
164 	error = msgctl1(l, SCARG(uap, msqid), cmd,
165 	    (cmd == IPC_SET || cmd == IPC_STAT) ? &ds : NULL);
166 
167 	if (error == 0 && cmd == IPC_STAT) {
168 		netbsd32_from_msqid_ds50(&ds, &ds32);
169 		error = copyout(&ds32, SCARG_P32(uap, buf), sizeof(ds32));
170 	}
171 
172 	return error;
173 }
174 #endif
175 
176 #if defined(SYSVSHM)
177 
178 int
compat_50_netbsd32___shmctl13(struct lwp * l,const struct compat_50_netbsd32___shmctl13_args * uap,register_t * retval)179 compat_50_netbsd32___shmctl13(struct lwp *l, const struct compat_50_netbsd32___shmctl13_args *uap, register_t *retval)
180 {
181 	/* {
182 		syscallarg(int) shmid;
183 		syscallarg(int) cmd;
184 		syscallarg(netbsd32_shmid_ds50p_t) buf;
185 	} */
186 	struct shmid_ds ds;
187 	struct netbsd32_shmid_ds50 ds32;
188 	int error, cmd;
189 
190 	cmd = SCARG(uap, cmd);
191 	if (cmd == IPC_SET) {
192 		error = copyin(SCARG_P32(uap, buf), &ds32, sizeof(ds32));
193 		if (error)
194 			return error;
195 		netbsd32_to_shmid_ds50(&ds32, &ds);
196 	}
197 
198 	error = shmctl1(l, SCARG(uap, shmid), cmd,
199 	    (cmd == IPC_SET || cmd == IPC_STAT) ? &ds : NULL);
200 
201 	if (error == 0 && cmd == IPC_STAT) {
202 		netbsd32_from_shmid_ds50(&ds, &ds32);
203 		error = copyout(&ds32, SCARG_P32(uap, buf), sizeof(ds32));
204 	}
205 
206 	return error;
207 }
208 #endif
209 
210 #endif /* COMPAT_50 */
211