1 | /* $NetBSD: linux32_ipccall.c,v 1.11 2010/05/29 18:55:34 dholland Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 2008 Nicolas Joly |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS |
17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: linux32_ipccall.c,v 1.11 2010/05/29 18:55:34 dholland Exp $" ); |
31 | |
32 | #if defined(_KERNEL_OPT) |
33 | #include "opt_sysv.h" |
34 | #endif |
35 | |
36 | #include <sys/param.h> |
37 | #include <sys/vnode.h> |
38 | #include <sys/msg.h> |
39 | #include <sys/sem.h> |
40 | #include <sys/shm.h> |
41 | |
42 | #include <sys/syscallargs.h> |
43 | |
44 | #include <compat/netbsd32/netbsd32.h> |
45 | #include <compat/netbsd32/netbsd32_syscallargs.h> |
46 | |
47 | #include <compat/linux/common/linux_types.h> |
48 | #include <compat/linux32/common/linux32_types.h> |
49 | #include <compat/linux32/common/linux32_signal.h> |
50 | #include <compat/linux32/linux32_syscallargs.h> |
51 | #include <compat/linux32/common/linux32_ipc.h> |
52 | #include <compat/linux32/common/linux32_sem.h> |
53 | #include <compat/linux32/common/linux32_shm.h> |
54 | |
55 | #define LINUX32_IPC_semop 1 |
56 | #define LINUX32_IPC_semget 2 |
57 | #define LINUX32_IPC_semctl 3 |
58 | #define LINUX32_IPC_msgsnd 11 |
59 | #define LINUX32_IPC_msgrcv 12 |
60 | #define LINUX32_IPC_msgget 13 |
61 | #define LINUX32_IPC_msgctl 14 |
62 | #define LINUX32_IPC_shmat 21 |
63 | #define LINUX32_IPC_shmdt 22 |
64 | #define LINUX32_IPC_shmget 23 |
65 | #define LINUX32_IPC_shmctl 24 |
66 | |
67 | #ifdef SYSVSEM |
68 | static void |
69 | bsd_to_linux32_semid_ds(struct semid_ds *, struct linux32_semid_ds *); |
70 | static void |
71 | bsd_to_linux32_semid64_ds(struct semid_ds *, struct linux32_semid64_ds *); |
72 | static void |
73 | linux32_to_bsd_semid_ds(struct linux32_semid_ds *, struct semid_ds *); |
74 | static void |
75 | linux32_to_bsd_semid64_ds(struct linux32_semid64_ds *, struct semid_ds *); |
76 | |
77 | static int |
78 | linux32_semop(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
79 | static int |
80 | linux32_semget(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
81 | static int |
82 | linux32_semctl(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
83 | #endif /* SYSVSEM */ |
84 | |
85 | #ifdef SYSVSHM |
86 | static void |
87 | bsd_to_linux32_shmid_ds(struct shmid_ds *, struct linux32_shmid_ds *); |
88 | static void |
89 | linux32_to_bsd_shmid_ds(struct linux32_shmid_ds *, struct shmid_ds *); |
90 | static void |
91 | bsd_to_linux32_shmid64_ds(struct shmid_ds *, struct linux32_shmid64_ds *); |
92 | static void |
93 | linux32_to_bsd_shmid64_ds(struct linux32_shmid64_ds *, struct shmid_ds *); |
94 | |
95 | static int |
96 | linux32_shmat(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
97 | static int |
98 | linux32_shmdt(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
99 | static int |
100 | linux32_shmget(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
101 | static int |
102 | linux32_shmctl(struct lwp *, const struct linux32_sys_ipc_args *, register_t *); |
103 | #endif /* SYSVSHM */ |
104 | |
105 | #ifdef SYSVMSG |
106 | static int linux32_msgsnd(struct lwp *, const struct linux32_sys_ipc_args *, |
107 | register_t *); |
108 | static int linux32_msgrcv(struct lwp *, const struct linux32_sys_ipc_args *, |
109 | register_t *); |
110 | static int linux32_msgget(struct lwp *, const struct linux32_sys_ipc_args *, |
111 | register_t *); |
112 | static int linux32_msgctl(struct lwp *, const struct linux32_sys_ipc_args *, |
113 | register_t *); |
114 | #endif |
115 | |
116 | int |
117 | linux32_sys_ipc(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
118 | register_t *retval) |
119 | { |
120 | /* { |
121 | syscallarg(int) what; |
122 | syscallarg(int) a1; |
123 | syscallarg(int) a2; |
124 | syscallarg(int) a3; |
125 | syscallarg(netbsd32_voidp) ptr; |
126 | } */ |
127 | |
128 | switch (SCARG(uap, what)) { |
129 | #ifdef SYSVSEM |
130 | case LINUX32_IPC_semop: |
131 | return linux32_semop(l, uap, retval); |
132 | case LINUX32_IPC_semget: |
133 | return linux32_semget(l, uap, retval); |
134 | case LINUX32_IPC_semctl: |
135 | return linux32_semctl(l, uap, retval); |
136 | #endif /* SYSVSEM */ |
137 | #ifdef SYSVMSG |
138 | case LINUX32_IPC_msgsnd: |
139 | return linux32_msgsnd(l, uap, retval); |
140 | case LINUX32_IPC_msgrcv: |
141 | return linux32_msgrcv(l, uap, retval); |
142 | case LINUX32_IPC_msgget: |
143 | return linux32_msgget(l, uap, retval); |
144 | case LINUX32_IPC_msgctl: |
145 | return linux32_msgctl(l, uap, retval); |
146 | #endif |
147 | #ifdef SYSVSHM |
148 | case LINUX32_IPC_shmat: |
149 | return linux32_shmat(l, uap, retval); |
150 | case LINUX32_IPC_shmdt: |
151 | return linux32_shmdt(l, uap, retval); |
152 | case LINUX32_IPC_shmget: |
153 | return linux32_shmget(l, uap, retval); |
154 | case LINUX32_IPC_shmctl: |
155 | return linux32_shmctl(l, uap, retval); |
156 | #endif /* SYSVSHM */ |
157 | default: |
158 | return ENOSYS; |
159 | } |
160 | |
161 | } |
162 | |
163 | #if defined(SYSVSEM) || defined (SYSVMSG) || defined(SYSVSHM) |
164 | static void |
165 | bsd_to_linux32_ipc_perm(struct ipc_perm *bpp, struct linux32_ipc_perm *lpp) |
166 | { |
167 | lpp->l_key = bpp->_key; |
168 | lpp->l_uid = bpp->uid; |
169 | lpp->l_gid = bpp->gid; |
170 | lpp->l_cuid = bpp->cuid; |
171 | lpp->l_cgid = bpp->cgid; |
172 | lpp->l_mode = bpp->mode; |
173 | lpp->l_seq = bpp->_seq; |
174 | } |
175 | |
176 | static void |
177 | linux32_to_bsd_ipc_perm(struct linux32_ipc_perm *lpp, struct ipc_perm *bpp) |
178 | { |
179 | bpp->_key = lpp->l_key; |
180 | bpp->uid = lpp->l_uid; |
181 | bpp->gid = lpp->l_gid; |
182 | bpp->cuid = lpp->l_cuid; |
183 | bpp->cgid = lpp->l_cgid; |
184 | bpp->mode = lpp->l_mode; |
185 | bpp->_seq = lpp->l_seq; |
186 | } |
187 | |
188 | static void |
189 | bsd_to_linux32_ipc64_perm(struct ipc_perm *bpp, struct linux32_ipc64_perm *lpp) |
190 | { |
191 | lpp->l_key = bpp->_key; |
192 | lpp->l_uid = bpp->uid; |
193 | lpp->l_gid = bpp->gid; |
194 | lpp->l_cuid = bpp->cuid; |
195 | lpp->l_cgid = bpp->cgid; |
196 | lpp->l_mode = bpp->mode; |
197 | lpp->l_seq = bpp->_seq; |
198 | } |
199 | |
200 | static void |
201 | linux32_to_bsd_ipc64_perm(struct linux32_ipc64_perm *lpp, struct ipc_perm *bpp) |
202 | { |
203 | bpp->_key = lpp->l_key; |
204 | bpp->uid = lpp->l_uid; |
205 | bpp->gid = lpp->l_gid; |
206 | bpp->cuid = lpp->l_cuid; |
207 | bpp->cgid = lpp->l_cgid; |
208 | bpp->mode = lpp->l_mode; |
209 | bpp->_seq = lpp->l_seq; |
210 | } |
211 | #endif /* SYSVSEM, SYSVMSG, or SYSVSHM */ |
212 | |
213 | #ifdef SYSVSEM |
214 | static void |
215 | bsd_to_linux32_semid_ds(struct semid_ds *bsp, struct linux32_semid_ds *lsp) |
216 | { |
217 | bsd_to_linux32_ipc_perm(&bsp->sem_perm, &lsp->l_sem_perm); |
218 | lsp->l_sem_otime = bsp->sem_otime; |
219 | lsp->l_sem_ctime = bsp->sem_ctime; |
220 | lsp->l_sem_nsems = bsp->sem_nsems; |
221 | NETBSD32PTR32(lsp->l_sem_base, bsp->_sem_base); |
222 | } |
223 | |
224 | static void |
225 | bsd_to_linux32_semid64_ds(struct semid_ds *bsp, struct linux32_semid64_ds *lsp) |
226 | { |
227 | bsd_to_linux32_ipc64_perm(&bsp->sem_perm, &lsp->l_sem_perm); |
228 | lsp->l_sem_otime = bsp->sem_otime; |
229 | lsp->l_sem_ctime = bsp->sem_ctime; |
230 | lsp->l_sem_nsems = bsp->sem_nsems; |
231 | } |
232 | |
233 | static void |
234 | linux32_to_bsd_semid_ds(struct linux32_semid_ds *lsp, struct semid_ds *bsp) |
235 | { |
236 | linux32_to_bsd_ipc_perm(&lsp->l_sem_perm, &bsp->sem_perm); |
237 | bsp->sem_otime = lsp->l_sem_otime; |
238 | bsp->sem_ctime = lsp->l_sem_ctime; |
239 | bsp->sem_nsems = lsp->l_sem_nsems; |
240 | bsp->_sem_base = NETBSD32PTR64(lsp->l_sem_base); |
241 | } |
242 | |
243 | static void |
244 | linux32_to_bsd_semid64_ds(struct linux32_semid64_ds *lsp, struct semid_ds *bsp) |
245 | { |
246 | linux32_to_bsd_ipc64_perm(&lsp->l_sem_perm, &bsp->sem_perm); |
247 | bsp->sem_otime = lsp->l_sem_otime; |
248 | bsp->sem_ctime = lsp->l_sem_ctime; |
249 | bsp->sem_nsems = lsp->l_sem_nsems; |
250 | } |
251 | |
252 | static int |
253 | linux32_semop(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
254 | register_t *retval) |
255 | { |
256 | struct sys_semop_args ua; |
257 | |
258 | SCARG(&ua, semid) = SCARG(uap, a1); |
259 | SCARG(&ua, sops) = SCARG_P32(uap, ptr); |
260 | SCARG(&ua, nsops) = SCARG(uap, a2); |
261 | |
262 | return sys_semop(l, &ua, retval); |
263 | } |
264 | |
265 | static int |
266 | linux32_semget(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
267 | register_t *retval) |
268 | { |
269 | struct sys_semget_args ua; |
270 | |
271 | SCARG(&ua, key) = SCARG(uap, a1); |
272 | SCARG(&ua, nsems) = SCARG(uap, a2); |
273 | SCARG(&ua, semflg) = SCARG(uap, a3); |
274 | |
275 | return sys_semget(l, &ua, retval); |
276 | } |
277 | |
278 | static int |
279 | linux32_semctl(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
280 | register_t *retval) |
281 | { |
282 | int lcmd, cmd, error; |
283 | struct semid_ds bs; |
284 | struct linux32_semid_ds ls; |
285 | struct linux32_semid64_ds ls64; |
286 | union linux32_semun lsem; |
287 | union __semun bsem; |
288 | void *buf = NULL; |
289 | |
290 | if ((error = copyin(SCARG_P32(uap, ptr), &lsem, sizeof lsem))) |
291 | return error; |
292 | |
293 | lcmd = SCARG(uap, a3); |
294 | |
295 | switch (lcmd & ~LINUX32_IPC_64) { |
296 | case LINUX32_IPC_RMID: |
297 | cmd = IPC_RMID; |
298 | break; |
299 | case LINUX32_IPC_STAT: |
300 | cmd = IPC_STAT; |
301 | buf = &bs; |
302 | break; |
303 | case LINUX32_IPC_SET: |
304 | if (lcmd & LINUX32_IPC_64) { |
305 | error = copyin(NETBSD32PTR64(lsem.l_buf), &ls64, |
306 | sizeof ls64); |
307 | linux32_to_bsd_semid64_ds(&ls64, &bs); |
308 | } else { |
309 | error = copyin(NETBSD32PTR64(lsem.l_buf), &ls, |
310 | sizeof ls); |
311 | linux32_to_bsd_semid_ds(&ls, &bs); |
312 | } |
313 | if (error) |
314 | return error; |
315 | cmd = IPC_SET; |
316 | buf = &bs; |
317 | break; |
318 | case LINUX32_GETVAL: |
319 | cmd = GETVAL; |
320 | break; |
321 | case LINUX32_SETVAL: |
322 | cmd = SETVAL; |
323 | bsem.val = lsem.l_val; |
324 | buf = &bsem; |
325 | break; |
326 | case LINUX32_GETPID: |
327 | cmd = GETPID; |
328 | break; |
329 | case LINUX32_GETNCNT: |
330 | cmd = GETNCNT; |
331 | break; |
332 | case LINUX32_GETZCNT: |
333 | cmd = GETZCNT; |
334 | break; |
335 | case LINUX32_GETALL: |
336 | cmd = GETALL; |
337 | bsem.array = NETBSD32PTR64(lsem.l_array); |
338 | buf = &bsem; |
339 | break; |
340 | case LINUX32_SETALL: |
341 | cmd = SETALL; |
342 | bsem.array = NETBSD32PTR64(lsem.l_array); |
343 | buf = &bsem; |
344 | break; |
345 | default: |
346 | return EINVAL; |
347 | } |
348 | |
349 | error = semctl1(l, SCARG(uap, a1), SCARG(uap, a2), cmd, buf, retval); |
350 | if (error) |
351 | return error; |
352 | |
353 | switch (lcmd) { |
354 | case LINUX32_IPC_STAT: |
355 | bsd_to_linux32_semid_ds(&bs, &ls); |
356 | error = copyout(&ls, NETBSD32PTR64(lsem.l_buf), sizeof ls); |
357 | break; |
358 | case LINUX32_IPC_STAT|LINUX32_IPC_64: |
359 | bsd_to_linux32_semid64_ds(&bs, &ls64); |
360 | error = copyout(&ls64, NETBSD32PTR64(lsem.l_buf), sizeof ls64); |
361 | break; |
362 | default: |
363 | break; |
364 | } |
365 | |
366 | return error; |
367 | } |
368 | #endif /* SYSVSEM */ |
369 | |
370 | #ifdef SYSVMSG |
371 | |
372 | static int |
373 | linux32_msgsnd(struct lwp *l, const struct linux32_sys_ipc_args *uap, register_t *retval) |
374 | { |
375 | struct netbsd32_msgsnd_args bma; |
376 | |
377 | SCARG(&bma, msqid) = SCARG(uap, a1); |
378 | SCARG(&bma, msgp) = SCARG(uap, ptr); |
379 | SCARG(&bma, msgsz) = SCARG(uap, a2); |
380 | SCARG(&bma, msgflg) = SCARG(uap, a3); |
381 | |
382 | return netbsd32_msgsnd(l, &bma, retval); |
383 | } |
384 | |
385 | /* |
386 | * This kludge is used for the 6th argument to the msgrcv system |
387 | * call, to get around the maximum of 5 arguments to a syscall in Linux. |
388 | */ |
389 | struct linux32_msgrcv_msgarg { |
390 | netbsd32_pointer_t msg; |
391 | netbsd32_long type; |
392 | }; |
393 | |
394 | static int |
395 | linux32_msgrcv(struct lwp *l, const struct linux32_sys_ipc_args *uap, register_t *retval) |
396 | { |
397 | struct netbsd32_msgrcv_args bma; |
398 | struct linux32_msgrcv_msgarg kluge; |
399 | int error; |
400 | |
401 | if ((error = copyin(SCARG_P32(uap, ptr), &kluge, sizeof kluge))) |
402 | return error; |
403 | |
404 | SCARG(&bma, msqid) = SCARG(uap, a1); |
405 | SCARG(&bma, msgp) = kluge.msg; |
406 | SCARG(&bma, msgsz) = SCARG(uap, a2); |
407 | SCARG(&bma, msgtyp) = kluge.type; |
408 | SCARG(&bma, msgflg) = SCARG(uap, a3); |
409 | |
410 | return netbsd32_msgrcv(l, &bma, retval); |
411 | } |
412 | |
413 | static int |
414 | linux32_msgget(struct lwp *l, const struct linux32_sys_ipc_args *uap, register_t *retval) |
415 | { |
416 | struct sys_msgget_args bma; |
417 | |
418 | SCARG(&bma, key) = (key_t)(linux32_key_t)SCARG(uap, a1); |
419 | SCARG(&bma, msgflg) = SCARG(uap, a2); |
420 | |
421 | return sys_msgget(l, &bma, retval); |
422 | } |
423 | |
424 | |
425 | static void |
426 | linux32_to_bsd_msqid_ds(struct linux32_msqid_ds *lmp, struct msqid_ds *bmp) |
427 | { |
428 | |
429 | memset(bmp, 0, sizeof(*bmp)); |
430 | linux32_to_bsd_ipc_perm(&lmp->l_msg_perm, &bmp->msg_perm); |
431 | bmp->_msg_first = NETBSD32PTR64(lmp->l_msg_first); |
432 | bmp->_msg_last = NETBSD32PTR64(lmp->l_msg_last); |
433 | bmp->_msg_cbytes = lmp->l_msg_cbytes; |
434 | bmp->msg_qnum = lmp->l_msg_qnum; |
435 | bmp->msg_qbytes = lmp->l_msg_qbytes; |
436 | bmp->msg_lspid = lmp->l_msg_lspid; |
437 | bmp->msg_lrpid = lmp->l_msg_lrpid; |
438 | bmp->msg_stime = lmp->l_msg_stime; |
439 | bmp->msg_rtime = lmp->l_msg_rtime; |
440 | bmp->msg_ctime = lmp->l_msg_ctime; |
441 | } |
442 | |
443 | static void |
444 | linux32_to_bsd_msqid64_ds(struct linux32_msqid64_ds *lmp, struct msqid_ds *bmp) |
445 | { |
446 | |
447 | memset(bmp, 0, sizeof(*bmp)); |
448 | linux32_to_bsd_ipc64_perm(&lmp->l_msg_perm, &bmp->msg_perm); |
449 | bmp->msg_stime = lmp->l_msg_stime; |
450 | bmp->msg_rtime = lmp->l_msg_rtime; |
451 | bmp->msg_ctime = lmp->l_msg_ctime; |
452 | bmp->_msg_cbytes = lmp->l_msg_cbytes; |
453 | bmp->msg_qnum = lmp->l_msg_qnum; |
454 | bmp->msg_qbytes = lmp->l_msg_qbytes; |
455 | bmp->msg_lspid = lmp->l_msg_lspid; |
456 | bmp->msg_lrpid = lmp->l_msg_lrpid; |
457 | } |
458 | |
459 | static void |
460 | bsd_to_linux32_msqid_ds(struct msqid_ds *bmp, struct linux32_msqid_ds *lmp) |
461 | { |
462 | |
463 | memset(lmp, 0, sizeof(*lmp)); |
464 | bsd_to_linux32_ipc_perm(&bmp->msg_perm, &lmp->l_msg_perm); |
465 | NETBSD32PTR32(lmp->l_msg_first, bmp->_msg_first); |
466 | NETBSD32PTR32(lmp->l_msg_last, bmp->_msg_last); |
467 | lmp->l_msg_cbytes = bmp->_msg_cbytes; |
468 | lmp->l_msg_qnum = bmp->msg_qnum; |
469 | lmp->l_msg_qbytes = bmp->msg_qbytes; |
470 | lmp->l_msg_lspid = bmp->msg_lspid; |
471 | lmp->l_msg_lrpid = bmp->msg_lrpid; |
472 | lmp->l_msg_stime = bmp->msg_stime; |
473 | lmp->l_msg_rtime = bmp->msg_rtime; |
474 | lmp->l_msg_ctime = bmp->msg_ctime; |
475 | } |
476 | |
477 | static void |
478 | bsd_to_linux32_msqid64_ds(struct msqid_ds *bmp, struct linux32_msqid64_ds *lmp) |
479 | { |
480 | |
481 | memset(lmp, 0, sizeof(*lmp)); |
482 | bsd_to_linux32_ipc64_perm(&bmp->msg_perm, &lmp->l_msg_perm); |
483 | lmp->l_msg_stime = bmp->msg_stime; |
484 | lmp->l_msg_rtime = bmp->msg_rtime; |
485 | lmp->l_msg_ctime = bmp->msg_ctime; |
486 | lmp->l_msg_cbytes = bmp->_msg_cbytes; |
487 | lmp->l_msg_qnum = bmp->msg_qnum; |
488 | lmp->l_msg_qbytes = bmp->msg_qbytes; |
489 | lmp->l_msg_lspid = bmp->msg_lspid; |
490 | lmp->l_msg_lrpid = bmp->msg_lrpid; |
491 | } |
492 | |
493 | static int |
494 | linux32_msgctl(struct lwp *l, const struct linux32_sys_ipc_args *uap, register_t *retval) |
495 | { |
496 | struct msqid_ds bm, *bmp = NULL; |
497 | struct linux32_msqid_ds lm; |
498 | struct linux32_msqid64_ds lm64; |
499 | int cmd, lcmd, error; |
500 | void *data = SCARG_P32(uap, ptr); |
501 | |
502 | lcmd = SCARG(uap, a2); |
503 | |
504 | switch (lcmd & ~LINUX32_IPC_64) { |
505 | case LINUX32_IPC_STAT: |
506 | cmd = IPC_STAT; |
507 | bmp = &bm; |
508 | break; |
509 | case LINUX32_IPC_SET: |
510 | if (lcmd & LINUX32_IPC_64) { |
511 | error = copyin(data, &lm64, sizeof lm64); |
512 | linux32_to_bsd_msqid64_ds(&lm64, &bm); |
513 | } else { |
514 | error = copyin(data, &lm, sizeof lm); |
515 | linux32_to_bsd_msqid_ds(&lm, &bm); |
516 | } |
517 | if (error) |
518 | return error; |
519 | cmd = IPC_SET; |
520 | bmp = &bm; |
521 | break; |
522 | case LINUX32_IPC_RMID: |
523 | cmd = IPC_RMID; |
524 | break; |
525 | default: |
526 | return EINVAL; |
527 | } |
528 | |
529 | if ((error = msgctl1(l, SCARG(uap, a1), cmd, bmp))) |
530 | return error; |
531 | |
532 | switch (lcmd) { |
533 | case LINUX32_IPC_STAT: |
534 | bsd_to_linux32_msqid_ds(&bm, &lm); |
535 | error = copyout(&lm, data, sizeof lm); |
536 | break; |
537 | case LINUX32_IPC_STAT|LINUX32_IPC_64: |
538 | bsd_to_linux32_msqid64_ds(&bm, &lm64); |
539 | error = copyout(&lm64, data, sizeof lm64); |
540 | break; |
541 | default: |
542 | break; |
543 | } |
544 | |
545 | return error; |
546 | } |
547 | #endif /* SYSVMSG */ |
548 | |
549 | #ifdef SYSVSHM |
550 | static void |
551 | bsd_to_linux32_shmid_ds(struct shmid_ds *bsp, struct linux32_shmid_ds *lsp) |
552 | { |
553 | bsd_to_linux32_ipc_perm(&bsp->shm_perm, &lsp->l_shm_perm); |
554 | lsp->l_shm_segsz = bsp->shm_segsz; |
555 | lsp->l_shm_atime = bsp->shm_atime; |
556 | lsp->l_shm_dtime = bsp->shm_dtime; |
557 | lsp->l_shm_ctime = bsp->shm_ctime; |
558 | lsp->l_shm_cpid = bsp->shm_cpid; |
559 | lsp->l_shm_lpid = bsp->shm_lpid; |
560 | lsp->l_shm_nattch = bsp->shm_nattch; |
561 | NETBSD32PTR32(lsp->l_private2, bsp->_shm_internal); |
562 | } |
563 | |
564 | static void |
565 | linux32_to_bsd_shmid_ds(struct linux32_shmid_ds *lsp, struct shmid_ds *bsp) |
566 | { |
567 | linux32_to_bsd_ipc_perm(&lsp->l_shm_perm, &bsp->shm_perm); |
568 | bsp->shm_segsz = lsp->l_shm_segsz; |
569 | bsp->shm_atime = lsp->l_shm_atime; |
570 | bsp->shm_dtime = lsp->l_shm_dtime; |
571 | bsp->shm_ctime = lsp->l_shm_ctime; |
572 | bsp->shm_cpid = lsp->l_shm_cpid; |
573 | bsp->shm_lpid = lsp->l_shm_lpid; |
574 | bsp->shm_nattch = lsp->l_shm_nattch; |
575 | bsp->_shm_internal = NETBSD32PTR64(lsp->l_private2); |
576 | } |
577 | |
578 | static void |
579 | bsd_to_linux32_shmid64_ds(struct shmid_ds *bsp, struct linux32_shmid64_ds *lsp) |
580 | { |
581 | bsd_to_linux32_ipc64_perm(&bsp->shm_perm, &lsp->l_shm_perm); |
582 | lsp->l_shm_segsz = bsp->shm_segsz; |
583 | lsp->l_shm_atime = bsp->shm_atime; |
584 | lsp->l_shm_dtime = bsp->shm_dtime; |
585 | lsp->l_shm_ctime = bsp->shm_ctime; |
586 | lsp->l_shm_cpid = bsp->shm_cpid; |
587 | lsp->l_shm_lpid = bsp->shm_lpid; |
588 | lsp->l_shm_nattch = bsp->shm_nattch; |
589 | lsp->l___unused5 = NETBSD32PTR32I(bsp->_shm_internal); |
590 | } |
591 | |
592 | static void |
593 | linux32_to_bsd_shmid64_ds(struct linux32_shmid64_ds *lsp, struct shmid_ds *bsp) |
594 | { |
595 | linux32_to_bsd_ipc64_perm(&lsp->l_shm_perm, &bsp->shm_perm); |
596 | bsp->shm_segsz = lsp->l_shm_segsz; |
597 | bsp->shm_atime = lsp->l_shm_atime; |
598 | bsp->shm_dtime = lsp->l_shm_dtime; |
599 | bsp->shm_ctime = lsp->l_shm_ctime; |
600 | bsp->shm_cpid = lsp->l_shm_cpid; |
601 | bsp->shm_lpid = lsp->l_shm_lpid; |
602 | bsp->shm_nattch = lsp->l_shm_nattch; |
603 | bsp->_shm_internal = NETBSD32IPTR64(lsp->l___unused5); |
604 | } |
605 | |
606 | static int |
607 | linux32_shmat(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
608 | register_t *retval) |
609 | { |
610 | struct sys_shmat_args ua; |
611 | netbsd32_pointer_t addr32; |
612 | int error; |
613 | |
614 | SCARG(&ua, shmid) = SCARG(uap, a1); |
615 | SCARG(&ua, shmaddr) = SCARG_P32(uap, ptr); |
616 | SCARG(&ua, shmflg) = SCARG(uap, a2); |
617 | |
618 | if ((error = sys_shmat(l, &ua, retval))) |
619 | return error; |
620 | |
621 | NETBSD32PTR32(addr32, (const void *)(uintptr_t)retval[0]); |
622 | |
623 | error = copyout(&addr32, NETBSD32IPTR64(SCARG(uap, a3)), sizeof addr32); |
624 | if (error == 0) |
625 | retval[0] = 0; |
626 | |
627 | return error; |
628 | } |
629 | |
630 | static int |
631 | linux32_shmdt(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
632 | register_t *retval) |
633 | { |
634 | struct sys_shmdt_args ua; |
635 | |
636 | SCARG(&ua, shmaddr) = SCARG_P32(uap, ptr); |
637 | |
638 | return sys_shmdt(l, &ua, retval); |
639 | } |
640 | |
641 | static int |
642 | linux32_shmget(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
643 | register_t *retval) |
644 | { |
645 | struct sys_shmget_args ua; |
646 | |
647 | SCARG(&ua, key) = SCARG(uap, a1); |
648 | SCARG(&ua, size) = SCARG(uap, a2); |
649 | SCARG(&ua, shmflg) = SCARG(uap, a3) | _SHM_RMLINGER; |
650 | |
651 | return sys_shmget(l, &ua, retval); |
652 | } |
653 | |
654 | static int |
655 | linux32_shmctl(struct lwp *l, const struct linux32_sys_ipc_args *uap, |
656 | register_t *retval) |
657 | { |
658 | int shmid, cmd, error; |
659 | struct shmid_ds bs; |
660 | struct linux32_shmid_ds ls; |
661 | struct linux32_shmid64_ds ls64; |
662 | |
663 | shmid = SCARG(uap, a1); |
664 | cmd = SCARG(uap, a2); |
665 | |
666 | switch (cmd & ~LINUX32_IPC_64) { |
667 | |
668 | case LINUX32_SHM_STAT: |
669 | return ENOSYS; |
670 | |
671 | case LINUX32_IPC_STAT: |
672 | error = shmctl1(l, shmid, IPC_STAT, &bs); |
673 | if (error != 0) |
674 | return error; |
675 | if (cmd & LINUX32_IPC_64) { |
676 | bsd_to_linux32_shmid64_ds(&bs, &ls64); |
677 | error = copyout(&ls64, SCARG_P32(uap, ptr), sizeof ls64); |
678 | } else { |
679 | bsd_to_linux32_shmid_ds(&bs, &ls); |
680 | error = copyout(&ls, SCARG_P32(uap, ptr), sizeof ls); |
681 | } |
682 | return error; |
683 | |
684 | case LINUX32_IPC_SET: |
685 | if (cmd & LINUX32_IPC_64) { |
686 | error = copyin(SCARG_P32(uap, ptr), &ls64, sizeof ls64); |
687 | linux32_to_bsd_shmid64_ds(&ls64, &bs); |
688 | } else { |
689 | error = copyin(SCARG_P32(uap, ptr), &ls, sizeof ls); |
690 | linux32_to_bsd_shmid_ds(&ls, &bs); |
691 | } |
692 | if (error != 0) |
693 | return error; |
694 | return shmctl1(l, shmid, IPC_SET, &bs); |
695 | |
696 | case LINUX32_IPC_RMID: |
697 | return shmctl1(l, shmid, IPC_RMID, NULL); |
698 | |
699 | case LINUX32_SHM_LOCK: |
700 | return shmctl1(l, shmid, SHM_LOCK, NULL); |
701 | |
702 | case LINUX32_SHM_UNLOCK: |
703 | return shmctl1(l, shmid, SHM_UNLOCK, NULL); |
704 | |
705 | case LINUX32_IPC_INFO: |
706 | case LINUX32_SHM_INFO: |
707 | return ENOSYS; |
708 | |
709 | default: |
710 | return EINVAL; |
711 | } |
712 | } |
713 | #endif /* SYSVSHM */ |
714 | |