| 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 | |