1 /*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_compat.h" 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/bus.h> 35 #include <sys/clock.h> 36 #include <sys/exec.h> 37 #include <sys/fcntl.h> 38 #include <sys/filedesc.h> 39 #include <sys/namei.h> 40 #include <sys/imgact.h> 41 #include <sys/kernel.h> 42 #include <sys/limits.h> 43 #include <sys/lock.h> 44 #include <sys/malloc.h> 45 #include <sys/file.h> /* Must come after sys/malloc.h */ 46 #include <sys/mbuf.h> 47 #include <sys/mman.h> 48 #include <sys/module.h> 49 #include <sys/mount.h> 50 #include <sys/mutex.h> 51 #include <sys/proc.h> 52 #include <sys/reboot.h> 53 #include <sys/resource.h> 54 #include <sys/resourcevar.h> 55 #include <sys/selinfo.h> 56 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 57 #include <sys/pipe.h> /* Must come after sys/selinfo.h */ 58 #include <sys/signal.h> 59 #include <sys/signalvar.h> 60 #include <sys/socket.h> 61 #include <sys/socketvar.h> 62 #include <sys/stat.h> 63 #include <sys/syscall.h> 64 #include <sys/syscallsubr.h> 65 #include <sys/sysctl.h> 66 #include <sys/sysent.h> 67 #include <sys/sysproto.h> 68 #include <sys/thr.h> 69 #include <sys/unistd.h> 70 #include <sys/ucontext.h> 71 #include <sys/vnode.h> 72 #include <sys/wait.h> 73 #include <sys/ipc.h> 74 #include <sys/shm.h> 75 76 #include <vm/vm.h> 77 #include <vm/vm_kern.h> 78 #include <vm/vm_param.h> 79 #include <vm/pmap.h> 80 #include <vm/vm_map.h> 81 #include <vm/vm_object.h> 82 #include <vm/vm_extern.h> 83 84 #include <machine/cpu.h> 85 86 #include <compat/freebsd32/freebsd32_util.h> 87 #include <compat/freebsd32/freebsd32.h> 88 #include <compat/freebsd32/freebsd32_signal.h> 89 #include <compat/freebsd32/freebsd32_proto.h> 90 91 CTASSERT(sizeof(struct timeval32) == 8); 92 CTASSERT(sizeof(struct timespec32) == 8); 93 CTASSERT(sizeof(struct statfs32) == 256); 94 CTASSERT(sizeof(struct rusage32) == 72); 95 96 int 97 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 98 { 99 int error, status; 100 struct rusage32 ru32; 101 struct rusage ru, *rup; 102 103 if (uap->rusage != NULL) 104 rup = &ru; 105 else 106 rup = NULL; 107 error = kern_wait(td, uap->pid, &status, uap->options, rup); 108 if (error) 109 return (error); 110 if (uap->status != NULL) 111 error = copyout(&status, uap->status, sizeof(status)); 112 if (uap->rusage != NULL && error == 0) { 113 TV_CP(ru, ru32, ru_utime); 114 TV_CP(ru, ru32, ru_stime); 115 CP(ru, ru32, ru_maxrss); 116 CP(ru, ru32, ru_ixrss); 117 CP(ru, ru32, ru_idrss); 118 CP(ru, ru32, ru_isrss); 119 CP(ru, ru32, ru_minflt); 120 CP(ru, ru32, ru_majflt); 121 CP(ru, ru32, ru_nswap); 122 CP(ru, ru32, ru_inblock); 123 CP(ru, ru32, ru_oublock); 124 CP(ru, ru32, ru_msgsnd); 125 CP(ru, ru32, ru_msgrcv); 126 CP(ru, ru32, ru_nsignals); 127 CP(ru, ru32, ru_nvcsw); 128 CP(ru, ru32, ru_nivcsw); 129 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 130 } 131 return (error); 132 } 133 134 #ifdef COMPAT_FREEBSD4 135 static void 136 copy_statfs(struct statfs *in, struct statfs32 *out) 137 { 138 139 statfs_scale_blocks(in, INT32_MAX); 140 bzero(out, sizeof(*out)); 141 CP(*in, *out, f_bsize); 142 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 143 CP(*in, *out, f_blocks); 144 CP(*in, *out, f_bfree); 145 CP(*in, *out, f_bavail); 146 out->f_files = MIN(in->f_files, INT32_MAX); 147 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 148 CP(*in, *out, f_fsid); 149 CP(*in, *out, f_owner); 150 CP(*in, *out, f_type); 151 CP(*in, *out, f_flags); 152 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 153 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 154 strlcpy(out->f_fstypename, 155 in->f_fstypename, MFSNAMELEN); 156 strlcpy(out->f_mntonname, 157 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 158 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 159 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 160 strlcpy(out->f_mntfromname, 161 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 162 } 163 #endif 164 165 #ifdef COMPAT_FREEBSD4 166 int 167 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 168 { 169 struct statfs *buf, *sp; 170 struct statfs32 stat32; 171 size_t count, size; 172 int error; 173 174 count = uap->bufsize / sizeof(struct statfs32); 175 size = count * sizeof(struct statfs); 176 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 177 if (size > 0) { 178 count = td->td_retval[0]; 179 sp = buf; 180 while (count > 0 && error == 0) { 181 copy_statfs(sp, &stat32); 182 error = copyout(&stat32, uap->buf, sizeof(stat32)); 183 sp++; 184 uap->buf++; 185 count--; 186 } 187 free(buf, M_TEMP); 188 } 189 return (error); 190 } 191 #endif 192 193 CTASSERT(sizeof(struct sigaltstack32) == 12); 194 195 int 196 freebsd32_sigaltstack(struct thread *td, 197 struct freebsd32_sigaltstack_args *uap) 198 { 199 struct sigaltstack32 s32; 200 struct sigaltstack ss, oss, *ssp; 201 int error; 202 203 if (uap->ss != NULL) { 204 error = copyin(uap->ss, &s32, sizeof(s32)); 205 if (error) 206 return (error); 207 PTRIN_CP(s32, ss, ss_sp); 208 CP(s32, ss, ss_size); 209 CP(s32, ss, ss_flags); 210 ssp = &ss; 211 } else 212 ssp = NULL; 213 error = kern_sigaltstack(td, ssp, &oss); 214 if (error == 0 && uap->oss != NULL) { 215 PTROUT_CP(oss, s32, ss_sp); 216 CP(oss, s32, ss_size); 217 CP(oss, s32, ss_flags); 218 error = copyout(&s32, uap->oss, sizeof(s32)); 219 } 220 return (error); 221 } 222 223 /* 224 * Custom version of exec_copyin_args() so that we can translate 225 * the pointers. 226 */ 227 static int 228 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 229 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 230 { 231 char *argp, *envp; 232 u_int32_t *p32, arg; 233 size_t length; 234 int error; 235 236 bzero(args, sizeof(*args)); 237 if (argv == NULL) 238 return (EFAULT); 239 240 /* 241 * Allocate temporary demand zeroed space for argument and 242 * environment strings 243 */ 244 args->buf = (char *) kmem_alloc_wait(exec_map, 245 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 246 if (args->buf == NULL) 247 return (ENOMEM); 248 args->begin_argv = args->buf; 249 args->endp = args->begin_argv; 250 args->stringspace = ARG_MAX; 251 252 args->fname = args->buf + ARG_MAX; 253 254 /* 255 * Copy the file name. 256 */ 257 error = (segflg == UIO_SYSSPACE) ? 258 copystr(fname, args->fname, PATH_MAX, &length) : 259 copyinstr(fname, args->fname, PATH_MAX, &length); 260 if (error != 0) 261 goto err_exit; 262 263 /* 264 * extract arguments first 265 */ 266 p32 = argv; 267 for (;;) { 268 error = copyin(p32++, &arg, sizeof(arg)); 269 if (error) 270 goto err_exit; 271 if (arg == 0) 272 break; 273 argp = PTRIN(arg); 274 error = copyinstr(argp, args->endp, args->stringspace, &length); 275 if (error) { 276 if (error == ENAMETOOLONG) 277 error = E2BIG; 278 goto err_exit; 279 } 280 args->stringspace -= length; 281 args->endp += length; 282 args->argc++; 283 } 284 285 args->begin_envv = args->endp; 286 287 /* 288 * extract environment strings 289 */ 290 if (envv) { 291 p32 = envv; 292 for (;;) { 293 error = copyin(p32++, &arg, sizeof(arg)); 294 if (error) 295 goto err_exit; 296 if (arg == 0) 297 break; 298 envp = PTRIN(arg); 299 error = copyinstr(envp, args->endp, args->stringspace, 300 &length); 301 if (error) { 302 if (error == ENAMETOOLONG) 303 error = E2BIG; 304 goto err_exit; 305 } 306 args->stringspace -= length; 307 args->endp += length; 308 args->envc++; 309 } 310 } 311 312 return (0); 313 314 err_exit: 315 kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 316 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 317 args->buf = NULL; 318 return (error); 319 } 320 321 int 322 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 323 { 324 struct image_args eargs; 325 int error; 326 327 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 328 uap->argv, uap->envv); 329 if (error == 0) 330 error = kern_execve(td, &eargs, NULL); 331 return (error); 332 } 333 334 #ifdef __ia64__ 335 static int 336 freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 337 int prot, int fd, off_t pos) 338 { 339 vm_map_t map; 340 vm_map_entry_t entry; 341 int rv; 342 343 map = &td->td_proc->p_vmspace->vm_map; 344 if (fd != -1) 345 prot |= VM_PROT_WRITE; 346 347 if (vm_map_lookup_entry(map, start, &entry)) { 348 if ((entry->protection & prot) != prot) { 349 rv = vm_map_protect(map, 350 trunc_page(start), 351 round_page(end), 352 entry->protection | prot, 353 FALSE); 354 if (rv != KERN_SUCCESS) 355 return (EINVAL); 356 } 357 } else { 358 vm_offset_t addr = trunc_page(start); 359 rv = vm_map_find(map, 0, 0, 360 &addr, PAGE_SIZE, FALSE, prot, 361 VM_PROT_ALL, 0); 362 if (rv != KERN_SUCCESS) 363 return (EINVAL); 364 } 365 366 if (fd != -1) { 367 struct pread_args r; 368 r.fd = fd; 369 r.buf = (void *) start; 370 r.nbyte = end - start; 371 r.offset = pos; 372 return (pread(td, &r)); 373 } else { 374 while (start < end) { 375 subyte((void *) start, 0); 376 start++; 377 } 378 return (0); 379 } 380 } 381 #endif 382 383 int 384 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 385 { 386 struct mmap_args ap; 387 vm_offset_t addr = (vm_offset_t) uap->addr; 388 vm_size_t len = uap->len; 389 int prot = uap->prot; 390 int flags = uap->flags; 391 int fd = uap->fd; 392 off_t pos = (uap->poslo 393 | ((off_t)uap->poshi << 32)); 394 #ifdef __ia64__ 395 vm_size_t pageoff; 396 int error; 397 398 /* 399 * Attempt to handle page size hassles. 400 */ 401 pageoff = (pos & PAGE_MASK); 402 if (flags & MAP_FIXED) { 403 vm_offset_t start, end; 404 start = addr; 405 end = addr + len; 406 407 if (start != trunc_page(start)) { 408 error = freebsd32_mmap_partial(td, start, 409 round_page(start), prot, 410 fd, pos); 411 if (fd != -1) 412 pos += round_page(start) - start; 413 start = round_page(start); 414 } 415 if (end != round_page(end)) { 416 vm_offset_t t = trunc_page(end); 417 error = freebsd32_mmap_partial(td, t, end, 418 prot, fd, 419 pos + t - start); 420 end = trunc_page(end); 421 } 422 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 423 /* 424 * We can't map this region at all. The specified 425 * address doesn't have the same alignment as the file 426 * position. Fake the mapping by simply reading the 427 * entire region into memory. First we need to make 428 * sure the region exists. 429 */ 430 vm_map_t map; 431 struct pread_args r; 432 int rv; 433 434 prot |= VM_PROT_WRITE; 435 map = &td->td_proc->p_vmspace->vm_map; 436 rv = vm_map_remove(map, start, end); 437 if (rv != KERN_SUCCESS) 438 return (EINVAL); 439 rv = vm_map_find(map, 0, 0, 440 &start, end - start, FALSE, 441 prot, VM_PROT_ALL, 0); 442 if (rv != KERN_SUCCESS) 443 return (EINVAL); 444 r.fd = fd; 445 r.buf = (void *) start; 446 r.nbyte = end - start; 447 r.offset = pos; 448 error = pread(td, &r); 449 if (error) 450 return (error); 451 452 td->td_retval[0] = addr; 453 return (0); 454 } 455 if (end == start) { 456 /* 457 * After dealing with the ragged ends, there 458 * might be none left. 459 */ 460 td->td_retval[0] = addr; 461 return (0); 462 } 463 addr = start; 464 len = end - start; 465 } 466 #endif 467 468 ap.addr = (void *) addr; 469 ap.len = len; 470 ap.prot = prot; 471 ap.flags = flags; 472 ap.fd = fd; 473 ap.pos = pos; 474 475 return (mmap(td, &ap)); 476 } 477 478 #ifdef COMPAT_FREEBSD6 479 int 480 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 481 { 482 struct freebsd32_mmap_args ap; 483 484 ap.addr = uap->addr; 485 ap.len = uap->len; 486 ap.prot = uap->prot; 487 ap.flags = uap->flags; 488 ap.fd = uap->fd; 489 ap.poslo = uap->poslo; 490 ap.poshi = uap->poshi; 491 492 return (freebsd32_mmap(td, &ap)); 493 } 494 #endif 495 496 struct itimerval32 { 497 struct timeval32 it_interval; 498 struct timeval32 it_value; 499 }; 500 501 CTASSERT(sizeof(struct itimerval32) == 16); 502 503 int 504 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 505 { 506 struct itimerval itv, oitv, *itvp; 507 struct itimerval32 i32; 508 int error; 509 510 if (uap->itv != NULL) { 511 error = copyin(uap->itv, &i32, sizeof(i32)); 512 if (error) 513 return (error); 514 TV_CP(i32, itv, it_interval); 515 TV_CP(i32, itv, it_value); 516 itvp = &itv; 517 } else 518 itvp = NULL; 519 error = kern_setitimer(td, uap->which, itvp, &oitv); 520 if (error || uap->oitv == NULL) 521 return (error); 522 TV_CP(oitv, i32, it_interval); 523 TV_CP(oitv, i32, it_value); 524 return (copyout(&i32, uap->oitv, sizeof(i32))); 525 } 526 527 int 528 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 529 { 530 struct itimerval itv; 531 struct itimerval32 i32; 532 int error; 533 534 error = kern_getitimer(td, uap->which, &itv); 535 if (error || uap->itv == NULL) 536 return (error); 537 TV_CP(itv, i32, it_interval); 538 TV_CP(itv, i32, it_value); 539 return (copyout(&i32, uap->itv, sizeof(i32))); 540 } 541 542 int 543 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 544 { 545 struct timeval32 tv32; 546 struct timeval tv, *tvp; 547 int error; 548 549 if (uap->tv != NULL) { 550 error = copyin(uap->tv, &tv32, sizeof(tv32)); 551 if (error) 552 return (error); 553 CP(tv32, tv, tv_sec); 554 CP(tv32, tv, tv_usec); 555 tvp = &tv; 556 } else 557 tvp = NULL; 558 /* 559 * XXX big-endian needs to convert the fd_sets too. 560 * XXX Do pointers need PTRIN()? 561 */ 562 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp)); 563 } 564 565 struct kevent32 { 566 u_int32_t ident; /* identifier for this event */ 567 short filter; /* filter for event */ 568 u_short flags; 569 u_int fflags; 570 int32_t data; 571 u_int32_t udata; /* opaque user data identifier */ 572 }; 573 574 CTASSERT(sizeof(struct kevent32) == 20); 575 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 576 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 577 578 /* 579 * Copy 'count' items into the destination list pointed to by uap->eventlist. 580 */ 581 static int 582 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 583 { 584 struct freebsd32_kevent_args *uap; 585 struct kevent32 ks32[KQ_NEVENTS]; 586 int i, error = 0; 587 588 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 589 uap = (struct freebsd32_kevent_args *)arg; 590 591 for (i = 0; i < count; i++) { 592 CP(kevp[i], ks32[i], ident); 593 CP(kevp[i], ks32[i], filter); 594 CP(kevp[i], ks32[i], flags); 595 CP(kevp[i], ks32[i], fflags); 596 CP(kevp[i], ks32[i], data); 597 PTROUT_CP(kevp[i], ks32[i], udata); 598 } 599 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 600 if (error == 0) 601 uap->eventlist += count; 602 return (error); 603 } 604 605 /* 606 * Copy 'count' items from the list pointed to by uap->changelist. 607 */ 608 static int 609 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 610 { 611 struct freebsd32_kevent_args *uap; 612 struct kevent32 ks32[KQ_NEVENTS]; 613 int i, error = 0; 614 615 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 616 uap = (struct freebsd32_kevent_args *)arg; 617 618 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 619 if (error) 620 goto done; 621 uap->changelist += count; 622 623 for (i = 0; i < count; i++) { 624 CP(ks32[i], kevp[i], ident); 625 CP(ks32[i], kevp[i], filter); 626 CP(ks32[i], kevp[i], flags); 627 CP(ks32[i], kevp[i], fflags); 628 CP(ks32[i], kevp[i], data); 629 PTRIN_CP(ks32[i], kevp[i], udata); 630 } 631 done: 632 return (error); 633 } 634 635 int 636 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 637 { 638 struct timespec32 ts32; 639 struct timespec ts, *tsp; 640 struct kevent_copyops k_ops = { uap, 641 freebsd32_kevent_copyout, 642 freebsd32_kevent_copyin}; 643 int error; 644 645 646 if (uap->timeout) { 647 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 648 if (error) 649 return (error); 650 CP(ts32, ts, tv_sec); 651 CP(ts32, ts, tv_nsec); 652 tsp = &ts; 653 } else 654 tsp = NULL; 655 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 656 &k_ops, tsp); 657 return (error); 658 } 659 660 int 661 freebsd32_gettimeofday(struct thread *td, 662 struct freebsd32_gettimeofday_args *uap) 663 { 664 struct timeval atv; 665 struct timeval32 atv32; 666 struct timezone rtz; 667 int error = 0; 668 669 if (uap->tp) { 670 microtime(&atv); 671 CP(atv, atv32, tv_sec); 672 CP(atv, atv32, tv_usec); 673 error = copyout(&atv32, uap->tp, sizeof (atv32)); 674 } 675 if (error == 0 && uap->tzp != NULL) { 676 rtz.tz_minuteswest = tz_minuteswest; 677 rtz.tz_dsttime = tz_dsttime; 678 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 679 } 680 return (error); 681 } 682 683 int 684 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 685 { 686 struct rusage32 s32; 687 struct rusage s; 688 int error; 689 690 error = kern_getrusage(td, uap->who, &s); 691 if (error) 692 return (error); 693 if (uap->rusage != NULL) { 694 TV_CP(s, s32, ru_utime); 695 TV_CP(s, s32, ru_stime); 696 CP(s, s32, ru_maxrss); 697 CP(s, s32, ru_ixrss); 698 CP(s, s32, ru_idrss); 699 CP(s, s32, ru_isrss); 700 CP(s, s32, ru_minflt); 701 CP(s, s32, ru_majflt); 702 CP(s, s32, ru_nswap); 703 CP(s, s32, ru_inblock); 704 CP(s, s32, ru_oublock); 705 CP(s, s32, ru_msgsnd); 706 CP(s, s32, ru_msgrcv); 707 CP(s, s32, ru_nsignals); 708 CP(s, s32, ru_nvcsw); 709 CP(s, s32, ru_nivcsw); 710 error = copyout(&s32, uap->rusage, sizeof(s32)); 711 } 712 return (error); 713 } 714 715 struct iovec32 { 716 u_int32_t iov_base; 717 int iov_len; 718 }; 719 720 CTASSERT(sizeof(struct iovec32) == 8); 721 722 static int 723 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 724 { 725 struct iovec32 iov32; 726 struct iovec *iov; 727 struct uio *uio; 728 u_int iovlen; 729 int error, i; 730 731 *uiop = NULL; 732 if (iovcnt > UIO_MAXIOV) 733 return (EINVAL); 734 iovlen = iovcnt * sizeof(struct iovec); 735 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 736 iov = (struct iovec *)(uio + 1); 737 for (i = 0; i < iovcnt; i++) { 738 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 739 if (error) { 740 free(uio, M_IOV); 741 return (error); 742 } 743 iov[i].iov_base = PTRIN(iov32.iov_base); 744 iov[i].iov_len = iov32.iov_len; 745 } 746 uio->uio_iov = iov; 747 uio->uio_iovcnt = iovcnt; 748 uio->uio_segflg = UIO_USERSPACE; 749 uio->uio_offset = -1; 750 uio->uio_resid = 0; 751 for (i = 0; i < iovcnt; i++) { 752 if (iov->iov_len > INT_MAX - uio->uio_resid) { 753 free(uio, M_IOV); 754 return (EINVAL); 755 } 756 uio->uio_resid += iov->iov_len; 757 iov++; 758 } 759 *uiop = uio; 760 return (0); 761 } 762 763 int 764 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 765 { 766 struct uio *auio; 767 int error; 768 769 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 770 if (error) 771 return (error); 772 error = kern_readv(td, uap->fd, auio); 773 free(auio, M_IOV); 774 return (error); 775 } 776 777 int 778 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 779 { 780 struct uio *auio; 781 int error; 782 783 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 784 if (error) 785 return (error); 786 error = kern_writev(td, uap->fd, auio); 787 free(auio, M_IOV); 788 return (error); 789 } 790 791 int 792 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 793 { 794 struct uio *auio; 795 int error; 796 797 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 798 if (error) 799 return (error); 800 error = kern_preadv(td, uap->fd, auio, uap->offset); 801 free(auio, M_IOV); 802 return (error); 803 } 804 805 int 806 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 807 { 808 struct uio *auio; 809 int error; 810 811 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 812 if (error) 813 return (error); 814 error = kern_pwritev(td, uap->fd, auio, uap->offset); 815 free(auio, M_IOV); 816 return (error); 817 } 818 819 static int 820 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 821 int error) 822 { 823 struct iovec32 iov32; 824 struct iovec *iov; 825 u_int iovlen; 826 int i; 827 828 *iovp = NULL; 829 if (iovcnt > UIO_MAXIOV) 830 return (error); 831 iovlen = iovcnt * sizeof(struct iovec); 832 iov = malloc(iovlen, M_IOV, M_WAITOK); 833 for (i = 0; i < iovcnt; i++) { 834 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 835 if (error) { 836 free(iov, M_IOV); 837 return (error); 838 } 839 iov[i].iov_base = PTRIN(iov32.iov_base); 840 iov[i].iov_len = iov32.iov_len; 841 } 842 *iovp = iov; 843 return (0); 844 } 845 846 struct msghdr32 { 847 u_int32_t msg_name; 848 socklen_t msg_namelen; 849 u_int32_t msg_iov; 850 int msg_iovlen; 851 u_int32_t msg_control; 852 socklen_t msg_controllen; 853 int msg_flags; 854 }; 855 CTASSERT(sizeof(struct msghdr32) == 28); 856 857 static int 858 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 859 { 860 struct msghdr32 m32; 861 int error; 862 863 error = copyin(msg32, &m32, sizeof(m32)); 864 if (error) 865 return (error); 866 msg->msg_name = PTRIN(m32.msg_name); 867 msg->msg_namelen = m32.msg_namelen; 868 msg->msg_iov = PTRIN(m32.msg_iov); 869 msg->msg_iovlen = m32.msg_iovlen; 870 msg->msg_control = PTRIN(m32.msg_control); 871 msg->msg_controllen = m32.msg_controllen; 872 msg->msg_flags = m32.msg_flags; 873 return (0); 874 } 875 876 static int 877 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 878 { 879 struct msghdr32 m32; 880 int error; 881 882 m32.msg_name = PTROUT(msg->msg_name); 883 m32.msg_namelen = msg->msg_namelen; 884 m32.msg_iov = PTROUT(msg->msg_iov); 885 m32.msg_iovlen = msg->msg_iovlen; 886 m32.msg_control = PTROUT(msg->msg_control); 887 m32.msg_controllen = msg->msg_controllen; 888 m32.msg_flags = msg->msg_flags; 889 error = copyout(&m32, msg32, sizeof(m32)); 890 return (error); 891 } 892 893 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 894 #define FREEBSD32_ALIGN(p) \ 895 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 896 #define FREEBSD32_CMSG_SPACE(l) \ 897 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 898 899 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 900 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 901 static int 902 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 903 { 904 struct cmsghdr *cm; 905 void *data; 906 socklen_t clen, datalen; 907 int error; 908 caddr_t ctlbuf; 909 int len, maxlen, copylen; 910 struct mbuf *m; 911 error = 0; 912 913 len = msg->msg_controllen; 914 maxlen = msg->msg_controllen; 915 msg->msg_controllen = 0; 916 917 m = control; 918 ctlbuf = msg->msg_control; 919 920 while (m && len > 0) { 921 cm = mtod(m, struct cmsghdr *); 922 clen = m->m_len; 923 924 while (cm != NULL) { 925 926 if (sizeof(struct cmsghdr) > clen || 927 cm->cmsg_len > clen) { 928 error = EINVAL; 929 break; 930 } 931 932 data = CMSG_DATA(cm); 933 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 934 935 /* Adjust message length */ 936 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 937 datalen; 938 939 940 /* Copy cmsghdr */ 941 copylen = sizeof(struct cmsghdr); 942 if (len < copylen) { 943 msg->msg_flags |= MSG_CTRUNC; 944 copylen = len; 945 } 946 947 error = copyout(cm,ctlbuf,copylen); 948 if (error) 949 goto exit; 950 951 ctlbuf += FREEBSD32_ALIGN(copylen); 952 len -= FREEBSD32_ALIGN(copylen); 953 954 if (len <= 0) 955 break; 956 957 /* Copy data */ 958 copylen = datalen; 959 if (len < copylen) { 960 msg->msg_flags |= MSG_CTRUNC; 961 copylen = len; 962 } 963 964 error = copyout(data,ctlbuf,copylen); 965 if (error) 966 goto exit; 967 968 ctlbuf += FREEBSD32_ALIGN(copylen); 969 len -= FREEBSD32_ALIGN(copylen); 970 971 if (CMSG_SPACE(datalen) < clen) { 972 clen -= CMSG_SPACE(datalen); 973 cm = (struct cmsghdr *) 974 ((caddr_t)cm + CMSG_SPACE(datalen)); 975 } else { 976 clen = 0; 977 cm = NULL; 978 } 979 } 980 m = m->m_next; 981 } 982 983 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 984 985 exit: 986 return (error); 987 988 } 989 990 int 991 freebsd32_recvmsg(td, uap) 992 struct thread *td; 993 struct freebsd32_recvmsg_args /* { 994 int s; 995 struct msghdr32 *msg; 996 int flags; 997 } */ *uap; 998 { 999 struct msghdr msg; 1000 struct msghdr32 m32; 1001 struct iovec *uiov, *iov; 1002 struct mbuf *control = NULL; 1003 struct mbuf **controlp; 1004 1005 int error; 1006 error = copyin(uap->msg, &m32, sizeof(m32)); 1007 if (error) 1008 return (error); 1009 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1010 if (error) 1011 return (error); 1012 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1013 EMSGSIZE); 1014 if (error) 1015 return (error); 1016 msg.msg_flags = uap->flags; 1017 uiov = msg.msg_iov; 1018 msg.msg_iov = iov; 1019 1020 controlp = (msg.msg_control != NULL) ? &control : NULL; 1021 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1022 if (error == 0) { 1023 msg.msg_iov = uiov; 1024 1025 if (control != NULL) 1026 error = freebsd32_copy_msg_out(&msg, control); 1027 1028 if (error == 0) 1029 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1030 } 1031 free(iov, M_IOV); 1032 1033 if (control != NULL) 1034 m_freem(control); 1035 1036 return (error); 1037 } 1038 1039 1040 static int 1041 freebsd32_convert_msg_in(struct mbuf **controlp) 1042 { 1043 struct mbuf *control = *controlp; 1044 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1045 void *data; 1046 socklen_t clen = control->m_len, datalen; 1047 int error; 1048 1049 error = 0; 1050 *controlp = NULL; 1051 1052 while (cm != NULL) { 1053 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1054 error = EINVAL; 1055 break; 1056 } 1057 1058 data = FREEBSD32_CMSG_DATA(cm); 1059 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1060 1061 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1062 cm->cmsg_level); 1063 controlp = &(*controlp)->m_next; 1064 1065 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1066 clen -= FREEBSD32_CMSG_SPACE(datalen); 1067 cm = (struct cmsghdr *) 1068 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1069 } else { 1070 clen = 0; 1071 cm = NULL; 1072 } 1073 } 1074 1075 m_freem(control); 1076 return (error); 1077 } 1078 1079 1080 int 1081 freebsd32_sendmsg(struct thread *td, 1082 struct freebsd32_sendmsg_args *uap) 1083 { 1084 struct msghdr msg; 1085 struct msghdr32 m32; 1086 struct iovec *iov; 1087 struct mbuf *control = NULL; 1088 struct sockaddr *to = NULL; 1089 int error; 1090 1091 error = copyin(uap->msg, &m32, sizeof(m32)); 1092 if (error) 1093 return (error); 1094 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1095 if (error) 1096 return (error); 1097 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1098 EMSGSIZE); 1099 if (error) 1100 return (error); 1101 msg.msg_iov = iov; 1102 if (msg.msg_name != NULL) { 1103 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1104 if (error) { 1105 to = NULL; 1106 goto out; 1107 } 1108 msg.msg_name = to; 1109 } 1110 1111 if (msg.msg_control) { 1112 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1113 error = EINVAL; 1114 goto out; 1115 } 1116 1117 error = sockargs(&control, msg.msg_control, 1118 msg.msg_controllen, MT_CONTROL); 1119 if (error) 1120 goto out; 1121 1122 error = freebsd32_convert_msg_in(&control); 1123 if (error) 1124 goto out; 1125 } 1126 1127 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1128 UIO_USERSPACE); 1129 1130 out: 1131 free(iov, M_IOV); 1132 if (to) 1133 free(to, M_SONAME); 1134 return (error); 1135 } 1136 1137 int 1138 freebsd32_recvfrom(struct thread *td, 1139 struct freebsd32_recvfrom_args *uap) 1140 { 1141 struct msghdr msg; 1142 struct iovec aiov; 1143 int error; 1144 1145 if (uap->fromlenaddr) { 1146 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1147 sizeof(msg.msg_namelen)); 1148 if (error) 1149 return (error); 1150 } else { 1151 msg.msg_namelen = 0; 1152 } 1153 1154 msg.msg_name = PTRIN(uap->from); 1155 msg.msg_iov = &aiov; 1156 msg.msg_iovlen = 1; 1157 aiov.iov_base = PTRIN(uap->buf); 1158 aiov.iov_len = uap->len; 1159 msg.msg_control = NULL; 1160 msg.msg_flags = uap->flags; 1161 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1162 if (error == 0 && uap->fromlenaddr) 1163 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1164 sizeof (msg.msg_namelen)); 1165 return (error); 1166 } 1167 1168 int 1169 freebsd32_settimeofday(struct thread *td, 1170 struct freebsd32_settimeofday_args *uap) 1171 { 1172 struct timeval32 tv32; 1173 struct timeval tv, *tvp; 1174 struct timezone tz, *tzp; 1175 int error; 1176 1177 if (uap->tv) { 1178 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1179 if (error) 1180 return (error); 1181 CP(tv32, tv, tv_sec); 1182 CP(tv32, tv, tv_usec); 1183 tvp = &tv; 1184 } else 1185 tvp = NULL; 1186 if (uap->tzp) { 1187 error = copyin(uap->tzp, &tz, sizeof(tz)); 1188 if (error) 1189 return (error); 1190 tzp = &tz; 1191 } else 1192 tzp = NULL; 1193 return (kern_settimeofday(td, tvp, tzp)); 1194 } 1195 1196 int 1197 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1198 { 1199 struct timeval32 s32[2]; 1200 struct timeval s[2], *sp; 1201 int error; 1202 1203 if (uap->tptr != NULL) { 1204 error = copyin(uap->tptr, s32, sizeof(s32)); 1205 if (error) 1206 return (error); 1207 CP(s32[0], s[0], tv_sec); 1208 CP(s32[0], s[0], tv_usec); 1209 CP(s32[1], s[1], tv_sec); 1210 CP(s32[1], s[1], tv_usec); 1211 sp = s; 1212 } else 1213 sp = NULL; 1214 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1215 } 1216 1217 int 1218 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1219 { 1220 struct timeval32 s32[2]; 1221 struct timeval s[2], *sp; 1222 int error; 1223 1224 if (uap->tptr != NULL) { 1225 error = copyin(uap->tptr, s32, sizeof(s32)); 1226 if (error) 1227 return (error); 1228 CP(s32[0], s[0], tv_sec); 1229 CP(s32[0], s[0], tv_usec); 1230 CP(s32[1], s[1], tv_sec); 1231 CP(s32[1], s[1], tv_usec); 1232 sp = s; 1233 } else 1234 sp = NULL; 1235 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1236 } 1237 1238 int 1239 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1240 { 1241 struct timeval32 s32[2]; 1242 struct timeval s[2], *sp; 1243 int error; 1244 1245 if (uap->tptr != NULL) { 1246 error = copyin(uap->tptr, s32, sizeof(s32)); 1247 if (error) 1248 return (error); 1249 CP(s32[0], s[0], tv_sec); 1250 CP(s32[0], s[0], tv_usec); 1251 CP(s32[1], s[1], tv_sec); 1252 CP(s32[1], s[1], tv_usec); 1253 sp = s; 1254 } else 1255 sp = NULL; 1256 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1257 } 1258 1259 1260 int 1261 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1262 { 1263 struct timeval32 tv32; 1264 struct timeval delta, olddelta, *deltap; 1265 int error; 1266 1267 if (uap->delta) { 1268 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1269 if (error) 1270 return (error); 1271 CP(tv32, delta, tv_sec); 1272 CP(tv32, delta, tv_usec); 1273 deltap = δ 1274 } else 1275 deltap = NULL; 1276 error = kern_adjtime(td, deltap, &olddelta); 1277 if (uap->olddelta && error == 0) { 1278 CP(olddelta, tv32, tv_sec); 1279 CP(olddelta, tv32, tv_usec); 1280 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1281 } 1282 return (error); 1283 } 1284 1285 #ifdef COMPAT_FREEBSD4 1286 int 1287 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1288 { 1289 struct statfs32 s32; 1290 struct statfs s; 1291 int error; 1292 1293 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1294 if (error) 1295 return (error); 1296 copy_statfs(&s, &s32); 1297 return (copyout(&s32, uap->buf, sizeof(s32))); 1298 } 1299 #endif 1300 1301 #ifdef COMPAT_FREEBSD4 1302 int 1303 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1304 { 1305 struct statfs32 s32; 1306 struct statfs s; 1307 int error; 1308 1309 error = kern_fstatfs(td, uap->fd, &s); 1310 if (error) 1311 return (error); 1312 copy_statfs(&s, &s32); 1313 return (copyout(&s32, uap->buf, sizeof(s32))); 1314 } 1315 #endif 1316 1317 #ifdef COMPAT_FREEBSD4 1318 int 1319 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1320 { 1321 struct statfs32 s32; 1322 struct statfs s; 1323 fhandle_t fh; 1324 int error; 1325 1326 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1327 return (error); 1328 error = kern_fhstatfs(td, fh, &s); 1329 if (error) 1330 return (error); 1331 copy_statfs(&s, &s32); 1332 return (copyout(&s32, uap->buf, sizeof(s32))); 1333 } 1334 #endif 1335 1336 int 1337 freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1338 { 1339 /* 1340 * Vector through to semsys if it is loaded. 1341 */ 1342 return sysent[SYS_semsys].sy_call(td, uap); 1343 } 1344 1345 int 1346 freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1347 { 1348 switch (uap->which) { 1349 case 2: 1350 return (freebsd32_msgsnd(td, 1351 (struct freebsd32_msgsnd_args *)&uap->a2)); 1352 break; 1353 case 3: 1354 return (freebsd32_msgrcv(td, 1355 (struct freebsd32_msgrcv_args *)&uap->a2)); 1356 break; 1357 default: 1358 /* 1359 * Vector through to msgsys if it is loaded. 1360 */ 1361 return (sysent[SYS_msgsys].sy_call(td, uap)); 1362 break; 1363 } 1364 } 1365 1366 int 1367 freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1368 { 1369 const void *msgp; 1370 long mtype; 1371 int32_t mtype32; 1372 int error; 1373 1374 if (!SYSCALL_MODULE_PRESENT(msgsnd)) 1375 return (nosys(td, (struct nosys_args *)uap)); 1376 1377 msgp = PTRIN(uap->msgp); 1378 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1379 return (error); 1380 mtype = mtype32; 1381 return (kern_msgsnd(td, uap->msqid, 1382 (const char *)msgp + sizeof(mtype32), 1383 uap->msgsz, uap->msgflg, mtype)); 1384 } 1385 1386 int 1387 freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1388 { 1389 void *msgp; 1390 long mtype; 1391 int32_t mtype32; 1392 int error; 1393 1394 if (!SYSCALL_MODULE_PRESENT(msgrcv)) 1395 return (nosys(td, (struct nosys_args *)uap)); 1396 1397 msgp = PTRIN(uap->msgp); 1398 if ((error = kern_msgrcv(td, uap->msqid, 1399 (char *)msgp + sizeof(mtype32), uap->msgsz, 1400 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1401 return (error); 1402 mtype32 = (int32_t)mtype; 1403 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1404 } 1405 1406 int 1407 freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1408 { 1409 1410 switch (uap->which) { 1411 case 0: { /* shmat */ 1412 struct shmat_args ap; 1413 1414 ap.shmid = uap->a2; 1415 ap.shmaddr = PTRIN(uap->a3); 1416 ap.shmflg = uap->a4; 1417 return (sysent[SYS_shmat].sy_call(td, &ap)); 1418 } 1419 case 2: { /* shmdt */ 1420 struct shmdt_args ap; 1421 1422 ap.shmaddr = PTRIN(uap->a2); 1423 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1424 } 1425 case 3: { /* shmget */ 1426 struct shmget_args ap; 1427 1428 ap.key = uap->a2; 1429 ap.size = uap->a3; 1430 ap.shmflg = uap->a4; 1431 return (sysent[SYS_shmget].sy_call(td, &ap)); 1432 } 1433 case 4: { /* shmctl */ 1434 struct freebsd32_shmctl_args ap; 1435 1436 ap.shmid = uap->a2; 1437 ap.cmd = uap->a3; 1438 ap.buf = PTRIN(uap->a4); 1439 return (freebsd32_shmctl(td, &ap)); 1440 } 1441 case 1: /* oshmctl */ 1442 default: 1443 return (EINVAL); 1444 } 1445 } 1446 1447 struct ipc_perm32 { 1448 uint16_t cuid; 1449 uint16_t cgid; 1450 uint16_t uid; 1451 uint16_t gid; 1452 uint16_t mode; 1453 uint16_t seq; 1454 uint32_t key; 1455 }; 1456 struct shmid_ds32 { 1457 struct ipc_perm32 shm_perm; 1458 int32_t shm_segsz; 1459 int32_t shm_lpid; 1460 int32_t shm_cpid; 1461 int16_t shm_nattch; 1462 int32_t shm_atime; 1463 int32_t shm_dtime; 1464 int32_t shm_ctime; 1465 uint32_t shm_internal; 1466 }; 1467 struct shm_info32 { 1468 int32_t used_ids; 1469 uint32_t shm_tot; 1470 uint32_t shm_rss; 1471 uint32_t shm_swp; 1472 uint32_t swap_attempts; 1473 uint32_t swap_successes; 1474 }; 1475 struct shminfo32 { 1476 uint32_t shmmax; 1477 uint32_t shmmin; 1478 uint32_t shmmni; 1479 uint32_t shmseg; 1480 uint32_t shmall; 1481 }; 1482 1483 int 1484 freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1485 { 1486 int error = 0; 1487 union { 1488 struct shmid_ds shmid_ds; 1489 struct shm_info shm_info; 1490 struct shminfo shminfo; 1491 } u; 1492 union { 1493 struct shmid_ds32 shmid_ds32; 1494 struct shm_info32 shm_info32; 1495 struct shminfo32 shminfo32; 1496 } u32; 1497 size_t sz; 1498 1499 if (uap->cmd == IPC_SET) { 1500 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1501 sizeof(u32.shmid_ds32)))) 1502 goto done; 1503 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.cuid); 1504 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.cgid); 1505 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.uid); 1506 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.gid); 1507 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.mode); 1508 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.seq); 1509 CP(u32.shmid_ds32, u.shmid_ds, shm_perm.key); 1510 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1511 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1512 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1513 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1514 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1515 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1516 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1517 PTRIN_CP(u32.shmid_ds32, u.shmid_ds, shm_internal); 1518 } 1519 1520 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1521 if (error) 1522 goto done; 1523 1524 /* Cases in which we need to copyout */ 1525 switch (uap->cmd) { 1526 case IPC_INFO: 1527 CP(u.shminfo, u32.shminfo32, shmmax); 1528 CP(u.shminfo, u32.shminfo32, shmmin); 1529 CP(u.shminfo, u32.shminfo32, shmmni); 1530 CP(u.shminfo, u32.shminfo32, shmseg); 1531 CP(u.shminfo, u32.shminfo32, shmall); 1532 error = copyout(&u32.shminfo32, uap->buf, 1533 sizeof(u32.shminfo32)); 1534 break; 1535 case SHM_INFO: 1536 CP(u.shm_info, u32.shm_info32, used_ids); 1537 CP(u.shm_info, u32.shm_info32, shm_rss); 1538 CP(u.shm_info, u32.shm_info32, shm_tot); 1539 CP(u.shm_info, u32.shm_info32, shm_swp); 1540 CP(u.shm_info, u32.shm_info32, swap_attempts); 1541 CP(u.shm_info, u32.shm_info32, swap_successes); 1542 error = copyout(&u32.shm_info32, uap->buf, 1543 sizeof(u32.shm_info32)); 1544 break; 1545 case SHM_STAT: 1546 case IPC_STAT: 1547 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.cuid); 1548 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.cgid); 1549 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.uid); 1550 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.gid); 1551 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.mode); 1552 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.seq); 1553 CP(u.shmid_ds, u32.shmid_ds32, shm_perm.key); 1554 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1555 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1556 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1557 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1558 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1559 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1560 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1561 PTROUT_CP(u.shmid_ds, u32.shmid_ds32, shm_internal); 1562 error = copyout(&u32.shmid_ds32, uap->buf, 1563 sizeof(u32.shmid_ds32)); 1564 break; 1565 } 1566 1567 done: 1568 if (error) { 1569 /* Invalidate the return value */ 1570 td->td_retval[0] = -1; 1571 } 1572 return (error); 1573 } 1574 1575 int 1576 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1577 { 1578 struct pread_args ap; 1579 1580 ap.fd = uap->fd; 1581 ap.buf = uap->buf; 1582 ap.nbyte = uap->nbyte; 1583 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1584 return (pread(td, &ap)); 1585 } 1586 1587 int 1588 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1589 { 1590 struct pwrite_args ap; 1591 1592 ap.fd = uap->fd; 1593 ap.buf = uap->buf; 1594 ap.nbyte = uap->nbyte; 1595 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1596 return (pwrite(td, &ap)); 1597 } 1598 1599 int 1600 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1601 { 1602 int error; 1603 struct lseek_args ap; 1604 off_t pos; 1605 1606 ap.fd = uap->fd; 1607 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1608 ap.whence = uap->whence; 1609 error = lseek(td, &ap); 1610 /* Expand the quad return into two parts for eax and edx */ 1611 pos = *(off_t *)(td->td_retval); 1612 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1613 td->td_retval[1] = pos >> 32; /* %edx */ 1614 return error; 1615 } 1616 1617 int 1618 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1619 { 1620 struct truncate_args ap; 1621 1622 ap.path = uap->path; 1623 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1624 return (truncate(td, &ap)); 1625 } 1626 1627 int 1628 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1629 { 1630 struct ftruncate_args ap; 1631 1632 ap.fd = uap->fd; 1633 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1634 return (ftruncate(td, &ap)); 1635 } 1636 1637 #ifdef COMPAT_FREEBSD6 1638 /* versions with the 'int pad' argument */ 1639 int 1640 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1641 { 1642 struct pread_args ap; 1643 1644 ap.fd = uap->fd; 1645 ap.buf = uap->buf; 1646 ap.nbyte = uap->nbyte; 1647 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1648 return (pread(td, &ap)); 1649 } 1650 1651 int 1652 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1653 { 1654 struct pwrite_args ap; 1655 1656 ap.fd = uap->fd; 1657 ap.buf = uap->buf; 1658 ap.nbyte = uap->nbyte; 1659 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1660 return (pwrite(td, &ap)); 1661 } 1662 1663 int 1664 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1665 { 1666 int error; 1667 struct lseek_args ap; 1668 off_t pos; 1669 1670 ap.fd = uap->fd; 1671 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1672 ap.whence = uap->whence; 1673 error = lseek(td, &ap); 1674 /* Expand the quad return into two parts for eax and edx */ 1675 pos = *(off_t *)(td->td_retval); 1676 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1677 td->td_retval[1] = pos >> 32; /* %edx */ 1678 return error; 1679 } 1680 1681 int 1682 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1683 { 1684 struct truncate_args ap; 1685 1686 ap.path = uap->path; 1687 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1688 return (truncate(td, &ap)); 1689 } 1690 1691 int 1692 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1693 { 1694 struct ftruncate_args ap; 1695 1696 ap.fd = uap->fd; 1697 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1698 return (ftruncate(td, &ap)); 1699 } 1700 #endif /* COMPAT_FREEBSD6 */ 1701 1702 struct sf_hdtr32 { 1703 uint32_t headers; 1704 int hdr_cnt; 1705 uint32_t trailers; 1706 int trl_cnt; 1707 }; 1708 1709 static int 1710 freebsd32_do_sendfile(struct thread *td, 1711 struct freebsd32_sendfile_args *uap, int compat) 1712 { 1713 struct sendfile_args ap; 1714 struct sf_hdtr32 hdtr32; 1715 struct sf_hdtr hdtr; 1716 struct uio *hdr_uio, *trl_uio; 1717 struct iovec32 *iov32; 1718 int error; 1719 1720 hdr_uio = trl_uio = NULL; 1721 1722 ap.fd = uap->fd; 1723 ap.s = uap->s; 1724 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1725 ap.nbytes = uap->nbytes; 1726 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1727 ap.sbytes = uap->sbytes; 1728 ap.flags = uap->flags; 1729 1730 if (uap->hdtr != NULL) { 1731 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1732 if (error) 1733 goto out; 1734 PTRIN_CP(hdtr32, hdtr, headers); 1735 CP(hdtr32, hdtr, hdr_cnt); 1736 PTRIN_CP(hdtr32, hdtr, trailers); 1737 CP(hdtr32, hdtr, trl_cnt); 1738 1739 if (hdtr.headers != NULL) { 1740 iov32 = PTRIN(hdtr32.headers); 1741 error = freebsd32_copyinuio(iov32, 1742 hdtr32.hdr_cnt, &hdr_uio); 1743 if (error) 1744 goto out; 1745 } 1746 if (hdtr.trailers != NULL) { 1747 iov32 = PTRIN(hdtr32.trailers); 1748 error = freebsd32_copyinuio(iov32, 1749 hdtr32.trl_cnt, &trl_uio); 1750 if (error) 1751 goto out; 1752 } 1753 } 1754 1755 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1756 out: 1757 if (hdr_uio) 1758 free(hdr_uio, M_IOV); 1759 if (trl_uio) 1760 free(trl_uio, M_IOV); 1761 return (error); 1762 } 1763 1764 #ifdef COMPAT_FREEBSD4 1765 int 1766 freebsd4_freebsd32_sendfile(struct thread *td, 1767 struct freebsd4_freebsd32_sendfile_args *uap) 1768 { 1769 return (freebsd32_do_sendfile(td, 1770 (struct freebsd32_sendfile_args *)uap, 1)); 1771 } 1772 #endif 1773 1774 int 1775 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1776 { 1777 1778 return (freebsd32_do_sendfile(td, uap, 0)); 1779 } 1780 1781 struct stat32 { 1782 dev_t st_dev; 1783 ino_t st_ino; 1784 mode_t st_mode; 1785 nlink_t st_nlink; 1786 uid_t st_uid; 1787 gid_t st_gid; 1788 dev_t st_rdev; 1789 struct timespec32 st_atimespec; 1790 struct timespec32 st_mtimespec; 1791 struct timespec32 st_ctimespec; 1792 off_t st_size; 1793 int64_t st_blocks; 1794 u_int32_t st_blksize; 1795 u_int32_t st_flags; 1796 u_int32_t st_gen; 1797 struct timespec32 st_birthtimespec; 1798 unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec32)); 1799 unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec32)); 1800 }; 1801 1802 1803 CTASSERT(sizeof(struct stat32) == 96); 1804 1805 static void 1806 copy_stat( struct stat *in, struct stat32 *out) 1807 { 1808 CP(*in, *out, st_dev); 1809 CP(*in, *out, st_ino); 1810 CP(*in, *out, st_mode); 1811 CP(*in, *out, st_nlink); 1812 CP(*in, *out, st_uid); 1813 CP(*in, *out, st_gid); 1814 CP(*in, *out, st_rdev); 1815 TS_CP(*in, *out, st_atimespec); 1816 TS_CP(*in, *out, st_mtimespec); 1817 TS_CP(*in, *out, st_ctimespec); 1818 CP(*in, *out, st_size); 1819 CP(*in, *out, st_blocks); 1820 CP(*in, *out, st_blksize); 1821 CP(*in, *out, st_flags); 1822 CP(*in, *out, st_gen); 1823 } 1824 1825 int 1826 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1827 { 1828 struct stat sb; 1829 struct stat32 sb32; 1830 int error; 1831 1832 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1833 if (error) 1834 return (error); 1835 copy_stat(&sb, &sb32); 1836 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1837 return (error); 1838 } 1839 1840 int 1841 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1842 { 1843 struct stat ub; 1844 struct stat32 ub32; 1845 int error; 1846 1847 error = kern_fstat(td, uap->fd, &ub); 1848 if (error) 1849 return (error); 1850 copy_stat(&ub, &ub32); 1851 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1852 return (error); 1853 } 1854 1855 int 1856 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1857 { 1858 struct stat sb; 1859 struct stat32 sb32; 1860 int error; 1861 1862 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1863 if (error) 1864 return (error); 1865 copy_stat(&sb, &sb32); 1866 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1867 return (error); 1868 } 1869 1870 /* 1871 * MPSAFE 1872 */ 1873 int 1874 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1875 { 1876 int error, name[CTL_MAXNAME]; 1877 size_t j, oldlen; 1878 1879 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1880 return (EINVAL); 1881 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1882 if (error) 1883 return (error); 1884 mtx_lock(&Giant); 1885 if (uap->oldlenp) 1886 oldlen = fuword32(uap->oldlenp); 1887 else 1888 oldlen = 0; 1889 error = userland_sysctl(td, name, uap->namelen, 1890 uap->old, &oldlen, 1, 1891 uap->new, uap->newlen, &j, SCTL_MASK32); 1892 if (error && error != ENOMEM) 1893 goto done2; 1894 if (uap->oldlenp) 1895 suword32(uap->oldlenp, j); 1896 done2: 1897 mtx_unlock(&Giant); 1898 return (error); 1899 } 1900 1901 struct sigaction32 { 1902 u_int32_t sa_u; 1903 int sa_flags; 1904 sigset_t sa_mask; 1905 }; 1906 1907 CTASSERT(sizeof(struct sigaction32) == 24); 1908 1909 int 1910 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1911 { 1912 struct sigaction32 s32; 1913 struct sigaction sa, osa, *sap; 1914 int error; 1915 1916 if (uap->act) { 1917 error = copyin(uap->act, &s32, sizeof(s32)); 1918 if (error) 1919 return (error); 1920 sa.sa_handler = PTRIN(s32.sa_u); 1921 CP(s32, sa, sa_flags); 1922 CP(s32, sa, sa_mask); 1923 sap = &sa; 1924 } else 1925 sap = NULL; 1926 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 1927 if (error == 0 && uap->oact != NULL) { 1928 s32.sa_u = PTROUT(osa.sa_handler); 1929 CP(osa, s32, sa_flags); 1930 CP(osa, s32, sa_mask); 1931 error = copyout(&s32, uap->oact, sizeof(s32)); 1932 } 1933 return (error); 1934 } 1935 1936 #ifdef COMPAT_FREEBSD4 1937 int 1938 freebsd4_freebsd32_sigaction(struct thread *td, 1939 struct freebsd4_freebsd32_sigaction_args *uap) 1940 { 1941 struct sigaction32 s32; 1942 struct sigaction sa, osa, *sap; 1943 int error; 1944 1945 if (uap->act) { 1946 error = copyin(uap->act, &s32, sizeof(s32)); 1947 if (error) 1948 return (error); 1949 sa.sa_handler = PTRIN(s32.sa_u); 1950 CP(s32, sa, sa_flags); 1951 CP(s32, sa, sa_mask); 1952 sap = &sa; 1953 } else 1954 sap = NULL; 1955 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 1956 if (error == 0 && uap->oact != NULL) { 1957 s32.sa_u = PTROUT(osa.sa_handler); 1958 CP(osa, s32, sa_flags); 1959 CP(osa, s32, sa_mask); 1960 error = copyout(&s32, uap->oact, sizeof(s32)); 1961 } 1962 return (error); 1963 } 1964 #endif 1965 1966 #ifdef COMPAT_43 1967 struct osigaction32 { 1968 u_int32_t sa_u; 1969 osigset_t sa_mask; 1970 int sa_flags; 1971 }; 1972 1973 #define ONSIG 32 1974 1975 int 1976 ofreebsd32_sigaction(struct thread *td, 1977 struct ofreebsd32_sigaction_args *uap) 1978 { 1979 struct osigaction32 s32; 1980 struct sigaction sa, osa, *sap; 1981 int error; 1982 1983 if (uap->signum <= 0 || uap->signum >= ONSIG) 1984 return (EINVAL); 1985 1986 if (uap->nsa) { 1987 error = copyin(uap->nsa, &s32, sizeof(s32)); 1988 if (error) 1989 return (error); 1990 sa.sa_handler = PTRIN(s32.sa_u); 1991 CP(s32, sa, sa_flags); 1992 OSIG2SIG(s32.sa_mask, sa.sa_mask); 1993 sap = &sa; 1994 } else 1995 sap = NULL; 1996 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 1997 if (error == 0 && uap->osa != NULL) { 1998 s32.sa_u = PTROUT(osa.sa_handler); 1999 CP(osa, s32, sa_flags); 2000 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2001 error = copyout(&s32, uap->osa, sizeof(s32)); 2002 } 2003 return (error); 2004 } 2005 2006 int 2007 ofreebsd32_sigprocmask(struct thread *td, 2008 struct ofreebsd32_sigprocmask_args *uap) 2009 { 2010 sigset_t set, oset; 2011 int error; 2012 2013 OSIG2SIG(uap->mask, set); 2014 error = kern_sigprocmask(td, uap->how, &set, &oset, 1); 2015 SIG2OSIG(oset, td->td_retval[0]); 2016 return (error); 2017 } 2018 2019 int 2020 ofreebsd32_sigpending(struct thread *td, 2021 struct ofreebsd32_sigpending_args *uap) 2022 { 2023 struct proc *p = td->td_proc; 2024 sigset_t siglist; 2025 2026 PROC_LOCK(p); 2027 siglist = p->p_siglist; 2028 SIGSETOR(siglist, td->td_siglist); 2029 PROC_UNLOCK(p); 2030 SIG2OSIG(siglist, td->td_retval[0]); 2031 return (0); 2032 } 2033 2034 struct sigvec32 { 2035 u_int32_t sv_handler; 2036 int sv_mask; 2037 int sv_flags; 2038 }; 2039 2040 int 2041 ofreebsd32_sigvec(struct thread *td, 2042 struct ofreebsd32_sigvec_args *uap) 2043 { 2044 struct sigvec32 vec; 2045 struct sigaction sa, osa, *sap; 2046 int error; 2047 2048 if (uap->signum <= 0 || uap->signum >= ONSIG) 2049 return (EINVAL); 2050 2051 if (uap->nsv) { 2052 error = copyin(uap->nsv, &vec, sizeof(vec)); 2053 if (error) 2054 return (error); 2055 sa.sa_handler = PTRIN(vec.sv_handler); 2056 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2057 sa.sa_flags = vec.sv_flags; 2058 sa.sa_flags ^= SA_RESTART; 2059 sap = &sa; 2060 } else 2061 sap = NULL; 2062 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2063 if (error == 0 && uap->osv != NULL) { 2064 vec.sv_handler = PTROUT(osa.sa_handler); 2065 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2066 vec.sv_flags = osa.sa_flags; 2067 vec.sv_flags &= ~SA_NOCLDWAIT; 2068 vec.sv_flags ^= SA_RESTART; 2069 error = copyout(&vec, uap->osv, sizeof(vec)); 2070 } 2071 return (error); 2072 } 2073 2074 int 2075 ofreebsd32_sigblock(struct thread *td, 2076 struct ofreebsd32_sigblock_args *uap) 2077 { 2078 struct proc *p = td->td_proc; 2079 sigset_t set; 2080 2081 OSIG2SIG(uap->mask, set); 2082 SIG_CANTMASK(set); 2083 PROC_LOCK(p); 2084 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2085 SIGSETOR(td->td_sigmask, set); 2086 PROC_UNLOCK(p); 2087 return (0); 2088 } 2089 2090 int 2091 ofreebsd32_sigsetmask(struct thread *td, 2092 struct ofreebsd32_sigsetmask_args *uap) 2093 { 2094 struct proc *p = td->td_proc; 2095 sigset_t set; 2096 2097 OSIG2SIG(uap->mask, set); 2098 SIG_CANTMASK(set); 2099 PROC_LOCK(p); 2100 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2101 SIGSETLO(td->td_sigmask, set); 2102 signotify(td); 2103 PROC_UNLOCK(p); 2104 return (0); 2105 } 2106 2107 int 2108 ofreebsd32_sigsuspend(struct thread *td, 2109 struct ofreebsd32_sigsuspend_args *uap) 2110 { 2111 struct proc *p = td->td_proc; 2112 sigset_t mask; 2113 2114 PROC_LOCK(p); 2115 td->td_oldsigmask = td->td_sigmask; 2116 td->td_pflags |= TDP_OLDMASK; 2117 OSIG2SIG(uap->mask, mask); 2118 SIG_CANTMASK(mask); 2119 SIGSETLO(td->td_sigmask, mask); 2120 signotify(td); 2121 while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE|PCATCH, "opause", 0) == 0) 2122 /* void */; 2123 PROC_UNLOCK(p); 2124 /* always return EINTR rather than ERESTART... */ 2125 return (EINTR); 2126 } 2127 2128 struct sigstack32 { 2129 u_int32_t ss_sp; 2130 int ss_onstack; 2131 }; 2132 2133 int 2134 ofreebsd32_sigstack(struct thread *td, 2135 struct ofreebsd32_sigstack_args *uap) 2136 { 2137 struct sigstack32 s32; 2138 struct sigstack nss, oss; 2139 int error = 0, unss; 2140 2141 if (uap->nss != NULL) { 2142 error = copyin(uap->nss, &s32, sizeof(s32)); 2143 if (error) 2144 return (error); 2145 nss.ss_sp = PTRIN(s32.ss_sp); 2146 CP(s32, nss, ss_onstack); 2147 unss = 1; 2148 } else { 2149 unss = 0; 2150 } 2151 oss.ss_sp = td->td_sigstk.ss_sp; 2152 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2153 if (unss) { 2154 td->td_sigstk.ss_sp = nss.ss_sp; 2155 td->td_sigstk.ss_size = 0; 2156 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2157 td->td_pflags |= TDP_ALTSTACK; 2158 } 2159 if (uap->oss != NULL) { 2160 s32.ss_sp = PTROUT(oss.ss_sp); 2161 CP(oss, s32, ss_onstack); 2162 error = copyout(&s32, uap->oss, sizeof(s32)); 2163 } 2164 return (error); 2165 } 2166 #endif 2167 2168 int 2169 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2170 { 2171 struct timespec32 rmt32, rqt32; 2172 struct timespec rmt, rqt; 2173 int error; 2174 2175 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2176 if (error) 2177 return (error); 2178 2179 CP(rqt32, rqt, tv_sec); 2180 CP(rqt32, rqt, tv_nsec); 2181 2182 if (uap->rmtp && 2183 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2184 return (EFAULT); 2185 error = kern_nanosleep(td, &rqt, &rmt); 2186 if (error && uap->rmtp) { 2187 int error2; 2188 2189 CP(rmt, rmt32, tv_sec); 2190 CP(rmt, rmt32, tv_nsec); 2191 2192 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2193 if (error2) 2194 error = error2; 2195 } 2196 return (error); 2197 } 2198 2199 int 2200 freebsd32_clock_gettime(struct thread *td, 2201 struct freebsd32_clock_gettime_args *uap) 2202 { 2203 struct timespec ats; 2204 struct timespec32 ats32; 2205 int error; 2206 2207 error = kern_clock_gettime(td, uap->clock_id, &ats); 2208 if (error == 0) { 2209 CP(ats, ats32, tv_sec); 2210 CP(ats, ats32, tv_nsec); 2211 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2212 } 2213 return (error); 2214 } 2215 2216 int 2217 freebsd32_clock_settime(struct thread *td, 2218 struct freebsd32_clock_settime_args *uap) 2219 { 2220 struct timespec ats; 2221 struct timespec32 ats32; 2222 int error; 2223 2224 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2225 if (error) 2226 return (error); 2227 CP(ats32, ats, tv_sec); 2228 CP(ats32, ats, tv_nsec); 2229 2230 return (kern_clock_settime(td, uap->clock_id, &ats)); 2231 } 2232 2233 int 2234 freebsd32_clock_getres(struct thread *td, 2235 struct freebsd32_clock_getres_args *uap) 2236 { 2237 struct timespec ts; 2238 struct timespec32 ts32; 2239 int error; 2240 2241 if (uap->tp == NULL) 2242 return (0); 2243 error = kern_clock_getres(td, uap->clock_id, &ts); 2244 if (error == 0) { 2245 CP(ts, ts32, tv_sec); 2246 CP(ts, ts32, tv_nsec); 2247 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2248 } 2249 return (error); 2250 } 2251 2252 int 2253 freebsd32_thr_new(struct thread *td, 2254 struct freebsd32_thr_new_args *uap) 2255 { 2256 struct thr_param32 param32; 2257 struct thr_param param; 2258 int error; 2259 2260 if (uap->param_size < 0 || 2261 uap->param_size > sizeof(struct thr_param32)) 2262 return (EINVAL); 2263 bzero(¶m, sizeof(struct thr_param)); 2264 bzero(¶m32, sizeof(struct thr_param32)); 2265 error = copyin(uap->param, ¶m32, uap->param_size); 2266 if (error != 0) 2267 return (error); 2268 param.start_func = PTRIN(param32.start_func); 2269 param.arg = PTRIN(param32.arg); 2270 param.stack_base = PTRIN(param32.stack_base); 2271 param.stack_size = param32.stack_size; 2272 param.tls_base = PTRIN(param32.tls_base); 2273 param.tls_size = param32.tls_size; 2274 param.child_tid = PTRIN(param32.child_tid); 2275 param.parent_tid = PTRIN(param32.parent_tid); 2276 param.flags = param32.flags; 2277 param.rtp = PTRIN(param32.rtp); 2278 param.spare[0] = PTRIN(param32.spare[0]); 2279 param.spare[1] = PTRIN(param32.spare[1]); 2280 param.spare[2] = PTRIN(param32.spare[2]); 2281 2282 return (kern_thr_new(td, ¶m)); 2283 } 2284 2285 int 2286 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2287 { 2288 struct timespec32 ts32; 2289 struct timespec ts, *tsp; 2290 int error; 2291 2292 error = 0; 2293 tsp = NULL; 2294 if (uap->timeout != NULL) { 2295 error = copyin((const void *)uap->timeout, (void *)&ts32, 2296 sizeof(struct timespec32)); 2297 if (error != 0) 2298 return (error); 2299 ts.tv_sec = ts32.tv_sec; 2300 ts.tv_nsec = ts32.tv_nsec; 2301 tsp = &ts; 2302 } 2303 return (kern_thr_suspend(td, tsp)); 2304 } 2305 2306 void 2307 siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2308 { 2309 bzero(dst, sizeof(*dst)); 2310 dst->si_signo = src->si_signo; 2311 dst->si_errno = src->si_errno; 2312 dst->si_code = src->si_code; 2313 dst->si_pid = src->si_pid; 2314 dst->si_uid = src->si_uid; 2315 dst->si_status = src->si_status; 2316 dst->si_addr = dst->si_addr; 2317 dst->si_value.sigval_int = src->si_value.sival_int; 2318 dst->si_timerid = src->si_timerid; 2319 dst->si_overrun = src->si_overrun; 2320 } 2321 2322 int 2323 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2324 { 2325 struct timespec32 ts32; 2326 struct timespec ts; 2327 struct timespec *timeout; 2328 sigset_t set; 2329 ksiginfo_t ksi; 2330 struct siginfo32 si32; 2331 int error; 2332 2333 if (uap->timeout) { 2334 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2335 if (error) 2336 return (error); 2337 ts.tv_sec = ts32.tv_sec; 2338 ts.tv_nsec = ts32.tv_nsec; 2339 timeout = &ts; 2340 } else 2341 timeout = NULL; 2342 2343 error = copyin(uap->set, &set, sizeof(set)); 2344 if (error) 2345 return (error); 2346 2347 error = kern_sigtimedwait(td, set, &ksi, timeout); 2348 if (error) 2349 return (error); 2350 2351 if (uap->info) { 2352 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2353 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2354 } 2355 2356 if (error == 0) 2357 td->td_retval[0] = ksi.ksi_signo; 2358 return (error); 2359 } 2360 2361 /* 2362 * MPSAFE 2363 */ 2364 int 2365 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2366 { 2367 ksiginfo_t ksi; 2368 struct siginfo32 si32; 2369 sigset_t set; 2370 int error; 2371 2372 error = copyin(uap->set, &set, sizeof(set)); 2373 if (error) 2374 return (error); 2375 2376 error = kern_sigtimedwait(td, set, &ksi, NULL); 2377 if (error) 2378 return (error); 2379 2380 if (uap->info) { 2381 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2382 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2383 } 2384 if (error == 0) 2385 td->td_retval[0] = ksi.ksi_signo; 2386 return (error); 2387 } 2388 2389 #if 0 2390 2391 int 2392 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2393 { 2394 int error; 2395 struct yyy32 *p32, s32; 2396 struct yyy *p = NULL, s; 2397 2398 if (uap->zzz) { 2399 error = copyin(uap->zzz, &s32, sizeof(s32)); 2400 if (error) 2401 return (error); 2402 /* translate in */ 2403 p = &s; 2404 } 2405 error = kern_xxx(td, p); 2406 if (error) 2407 return (error); 2408 if (uap->zzz) { 2409 /* translate out */ 2410 error = copyout(&s32, p32, sizeof(s32)); 2411 } 2412 return (error); 2413 } 2414 2415 #endif 2416