freebsd32_misc.c revision 195104
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: head/sys/compat/freebsd32/freebsd32_misc.c 195104 2009-06-27 13:58:44Z rwatson $"); 29 30#include "opt_compat.h" 31#include "opt_inet.h" 32#include "opt_inet6.h" 33 34#include <sys/param.h> 35#include <sys/bus.h> 36#include <sys/clock.h> 37#include <sys/exec.h> 38#include <sys/fcntl.h> 39#include <sys/filedesc.h> 40#include <sys/imgact.h> 41#include <sys/jail.h> 42#include <sys/kernel.h> 43#include <sys/limits.h> 44#include <sys/lock.h> 45#include <sys/malloc.h> 46#include <sys/file.h> /* Must come after sys/malloc.h */ 47#include <sys/mbuf.h> 48#include <sys/mman.h> 49#include <sys/module.h> 50#include <sys/mount.h> 51#include <sys/mutex.h> 52#include <sys/namei.h> 53#include <sys/proc.h> 54#include <sys/reboot.h> 55#include <sys/resource.h> 56#include <sys/resourcevar.h> 57#include <sys/selinfo.h> 58#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 59#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 60#include <sys/signal.h> 61#include <sys/signalvar.h> 62#include <sys/socket.h> 63#include <sys/socketvar.h> 64#include <sys/stat.h> 65#include <sys/syscall.h> 66#include <sys/syscallsubr.h> 67#include <sys/sysctl.h> 68#include <sys/sysent.h> 69#include <sys/sysproto.h> 70#include <sys/systm.h> 71#include <sys/thr.h> 72#include <sys/unistd.h> 73#include <sys/ucontext.h> 74#include <sys/vnode.h> 75#include <sys/wait.h> 76#include <sys/ipc.h> 77#include <sys/msg.h> 78#include <sys/sem.h> 79#include <sys/shm.h> 80 81#ifdef INET 82#include <netinet/in.h> 83#endif 84 85#include <vm/vm.h> 86#include <vm/vm_kern.h> 87#include <vm/vm_param.h> 88#include <vm/pmap.h> 89#include <vm/vm_map.h> 90#include <vm/vm_object.h> 91#include <vm/vm_extern.h> 92 93#include <machine/cpu.h> 94 95#include <security/audit/audit.h> 96 97#include <compat/freebsd32/freebsd32_util.h> 98#include <compat/freebsd32/freebsd32.h> 99#include <compat/freebsd32/freebsd32_ipc.h> 100#include <compat/freebsd32/freebsd32_signal.h> 101#include <compat/freebsd32/freebsd32_proto.h> 102 103CTASSERT(sizeof(struct timeval32) == 8); 104CTASSERT(sizeof(struct timespec32) == 8); 105CTASSERT(sizeof(struct itimerval32) == 16); 106CTASSERT(sizeof(struct statfs32) == 256); 107CTASSERT(sizeof(struct rusage32) == 72); 108CTASSERT(sizeof(struct sigaltstack32) == 12); 109CTASSERT(sizeof(struct kevent32) == 20); 110CTASSERT(sizeof(struct iovec32) == 8); 111CTASSERT(sizeof(struct msghdr32) == 28); 112CTASSERT(sizeof(struct stat32) == 96); 113CTASSERT(sizeof(struct sigaction32) == 24); 114 115static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 116static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 117 118int 119freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 120{ 121 int error, status; 122 struct rusage32 ru32; 123 struct rusage ru, *rup; 124 125 if (uap->rusage != NULL) 126 rup = &ru; 127 else 128 rup = NULL; 129 error = kern_wait(td, uap->pid, &status, uap->options, rup); 130 if (error) 131 return (error); 132 if (uap->status != NULL) 133 error = copyout(&status, uap->status, sizeof(status)); 134 if (uap->rusage != NULL && error == 0) { 135 TV_CP(ru, ru32, ru_utime); 136 TV_CP(ru, ru32, ru_stime); 137 CP(ru, ru32, ru_maxrss); 138 CP(ru, ru32, ru_ixrss); 139 CP(ru, ru32, ru_idrss); 140 CP(ru, ru32, ru_isrss); 141 CP(ru, ru32, ru_minflt); 142 CP(ru, ru32, ru_majflt); 143 CP(ru, ru32, ru_nswap); 144 CP(ru, ru32, ru_inblock); 145 CP(ru, ru32, ru_oublock); 146 CP(ru, ru32, ru_msgsnd); 147 CP(ru, ru32, ru_msgrcv); 148 CP(ru, ru32, ru_nsignals); 149 CP(ru, ru32, ru_nvcsw); 150 CP(ru, ru32, ru_nivcsw); 151 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 152 } 153 return (error); 154} 155 156#ifdef COMPAT_FREEBSD4 157static void 158copy_statfs(struct statfs *in, struct statfs32 *out) 159{ 160 161 statfs_scale_blocks(in, INT32_MAX); 162 bzero(out, sizeof(*out)); 163 CP(*in, *out, f_bsize); 164 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 165 CP(*in, *out, f_blocks); 166 CP(*in, *out, f_bfree); 167 CP(*in, *out, f_bavail); 168 out->f_files = MIN(in->f_files, INT32_MAX); 169 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 170 CP(*in, *out, f_fsid); 171 CP(*in, *out, f_owner); 172 CP(*in, *out, f_type); 173 CP(*in, *out, f_flags); 174 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 175 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 176 strlcpy(out->f_fstypename, 177 in->f_fstypename, MFSNAMELEN); 178 strlcpy(out->f_mntonname, 179 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 180 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 181 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 182 strlcpy(out->f_mntfromname, 183 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 184} 185#endif 186 187#ifdef COMPAT_FREEBSD4 188int 189freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 190{ 191 struct statfs *buf, *sp; 192 struct statfs32 stat32; 193 size_t count, size; 194 int error; 195 196 count = uap->bufsize / sizeof(struct statfs32); 197 size = count * sizeof(struct statfs); 198 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 199 if (size > 0) { 200 count = td->td_retval[0]; 201 sp = buf; 202 while (count > 0 && error == 0) { 203 copy_statfs(sp, &stat32); 204 error = copyout(&stat32, uap->buf, sizeof(stat32)); 205 sp++; 206 uap->buf++; 207 count--; 208 } 209 free(buf, M_TEMP); 210 } 211 return (error); 212} 213#endif 214 215int 216freebsd32_sigaltstack(struct thread *td, 217 struct freebsd32_sigaltstack_args *uap) 218{ 219 struct sigaltstack32 s32; 220 struct sigaltstack ss, oss, *ssp; 221 int error; 222 223 if (uap->ss != NULL) { 224 error = copyin(uap->ss, &s32, sizeof(s32)); 225 if (error) 226 return (error); 227 PTRIN_CP(s32, ss, ss_sp); 228 CP(s32, ss, ss_size); 229 CP(s32, ss, ss_flags); 230 ssp = &ss; 231 } else 232 ssp = NULL; 233 error = kern_sigaltstack(td, ssp, &oss); 234 if (error == 0 && uap->oss != NULL) { 235 PTROUT_CP(oss, s32, ss_sp); 236 CP(oss, s32, ss_size); 237 CP(oss, s32, ss_flags); 238 error = copyout(&s32, uap->oss, sizeof(s32)); 239 } 240 return (error); 241} 242 243/* 244 * Custom version of exec_copyin_args() so that we can translate 245 * the pointers. 246 */ 247static int 248freebsd32_exec_copyin_args(struct image_args *args, char *fname, 249 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 250{ 251 char *argp, *envp; 252 u_int32_t *p32, arg; 253 size_t length; 254 int error; 255 256 bzero(args, sizeof(*args)); 257 if (argv == NULL) 258 return (EFAULT); 259 260 /* 261 * Allocate temporary demand zeroed space for argument and 262 * environment strings 263 */ 264 args->buf = (char *) kmem_alloc_wait(exec_map, 265 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 266 if (args->buf == NULL) 267 return (ENOMEM); 268 args->begin_argv = args->buf; 269 args->endp = args->begin_argv; 270 args->stringspace = ARG_MAX; 271 272 /* 273 * Copy the file name. 274 */ 275 if (fname != NULL) { 276 args->fname = args->buf + ARG_MAX; 277 error = (segflg == UIO_SYSSPACE) ? 278 copystr(fname, args->fname, PATH_MAX, &length) : 279 copyinstr(fname, args->fname, PATH_MAX, &length); 280 if (error != 0) 281 goto err_exit; 282 } else 283 args->fname = NULL; 284 285 /* 286 * extract arguments first 287 */ 288 p32 = argv; 289 for (;;) { 290 error = copyin(p32++, &arg, sizeof(arg)); 291 if (error) 292 goto err_exit; 293 if (arg == 0) 294 break; 295 argp = PTRIN(arg); 296 error = copyinstr(argp, args->endp, args->stringspace, &length); 297 if (error) { 298 if (error == ENAMETOOLONG) 299 error = E2BIG; 300 goto err_exit; 301 } 302 args->stringspace -= length; 303 args->endp += length; 304 args->argc++; 305 } 306 307 args->begin_envv = args->endp; 308 309 /* 310 * extract environment strings 311 */ 312 if (envv) { 313 p32 = envv; 314 for (;;) { 315 error = copyin(p32++, &arg, sizeof(arg)); 316 if (error) 317 goto err_exit; 318 if (arg == 0) 319 break; 320 envp = PTRIN(arg); 321 error = copyinstr(envp, args->endp, args->stringspace, 322 &length); 323 if (error) { 324 if (error == ENAMETOOLONG) 325 error = E2BIG; 326 goto err_exit; 327 } 328 args->stringspace -= length; 329 args->endp += length; 330 args->envc++; 331 } 332 } 333 334 return (0); 335 336err_exit: 337 kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 338 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 339 args->buf = NULL; 340 return (error); 341} 342 343int 344freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 345{ 346 struct image_args eargs; 347 int error; 348 349 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 350 uap->argv, uap->envv); 351 if (error == 0) 352 error = kern_execve(td, &eargs, NULL); 353 return (error); 354} 355 356int 357freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 358{ 359 struct image_args eargs; 360 int error; 361 362 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 363 uap->argv, uap->envv); 364 if (error == 0) { 365 eargs.fd = uap->fd; 366 error = kern_execve(td, &eargs, NULL); 367 } 368 return (error); 369} 370 371#ifdef __ia64__ 372static int 373freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 374 int prot, int fd, off_t pos) 375{ 376 vm_map_t map; 377 vm_map_entry_t entry; 378 int rv; 379 380 map = &td->td_proc->p_vmspace->vm_map; 381 if (fd != -1) 382 prot |= VM_PROT_WRITE; 383 384 if (vm_map_lookup_entry(map, start, &entry)) { 385 if ((entry->protection & prot) != prot) { 386 rv = vm_map_protect(map, 387 trunc_page(start), 388 round_page(end), 389 entry->protection | prot, 390 FALSE); 391 if (rv != KERN_SUCCESS) 392 return (EINVAL); 393 } 394 } else { 395 vm_offset_t addr = trunc_page(start); 396 rv = vm_map_find(map, 0, 0, 397 &addr, PAGE_SIZE, FALSE, prot, 398 VM_PROT_ALL, 0); 399 if (rv != KERN_SUCCESS) 400 return (EINVAL); 401 } 402 403 if (fd != -1) { 404 struct pread_args r; 405 r.fd = fd; 406 r.buf = (void *) start; 407 r.nbyte = end - start; 408 r.offset = pos; 409 return (pread(td, &r)); 410 } else { 411 while (start < end) { 412 subyte((void *) start, 0); 413 start++; 414 } 415 return (0); 416 } 417} 418#endif 419 420int 421freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 422{ 423 struct mmap_args ap; 424 vm_offset_t addr = (vm_offset_t) uap->addr; 425 vm_size_t len = uap->len; 426 int prot = uap->prot; 427 int flags = uap->flags; 428 int fd = uap->fd; 429 off_t pos = (uap->poslo 430 | ((off_t)uap->poshi << 32)); 431#ifdef __ia64__ 432 vm_size_t pageoff; 433 int error; 434 435 /* 436 * Attempt to handle page size hassles. 437 */ 438 pageoff = (pos & PAGE_MASK); 439 if (flags & MAP_FIXED) { 440 vm_offset_t start, end; 441 start = addr; 442 end = addr + len; 443 444 if (start != trunc_page(start)) { 445 error = freebsd32_mmap_partial(td, start, 446 round_page(start), prot, 447 fd, pos); 448 if (fd != -1) 449 pos += round_page(start) - start; 450 start = round_page(start); 451 } 452 if (end != round_page(end)) { 453 vm_offset_t t = trunc_page(end); 454 error = freebsd32_mmap_partial(td, t, end, 455 prot, fd, 456 pos + t - start); 457 end = trunc_page(end); 458 } 459 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 460 /* 461 * We can't map this region at all. The specified 462 * address doesn't have the same alignment as the file 463 * position. Fake the mapping by simply reading the 464 * entire region into memory. First we need to make 465 * sure the region exists. 466 */ 467 vm_map_t map; 468 struct pread_args r; 469 int rv; 470 471 prot |= VM_PROT_WRITE; 472 map = &td->td_proc->p_vmspace->vm_map; 473 rv = vm_map_remove(map, start, end); 474 if (rv != KERN_SUCCESS) 475 return (EINVAL); 476 rv = vm_map_find(map, 0, 0, 477 &start, end - start, FALSE, 478 prot, VM_PROT_ALL, 0); 479 if (rv != KERN_SUCCESS) 480 return (EINVAL); 481 r.fd = fd; 482 r.buf = (void *) start; 483 r.nbyte = end - start; 484 r.offset = pos; 485 error = pread(td, &r); 486 if (error) 487 return (error); 488 489 td->td_retval[0] = addr; 490 return (0); 491 } 492 if (end == start) { 493 /* 494 * After dealing with the ragged ends, there 495 * might be none left. 496 */ 497 td->td_retval[0] = addr; 498 return (0); 499 } 500 addr = start; 501 len = end - start; 502 } 503#endif 504 505 ap.addr = (void *) addr; 506 ap.len = len; 507 ap.prot = prot; 508 ap.flags = flags; 509 ap.fd = fd; 510 ap.pos = pos; 511 512 return (mmap(td, &ap)); 513} 514 515#ifdef COMPAT_FREEBSD6 516int 517freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 518{ 519 struct freebsd32_mmap_args ap; 520 521 ap.addr = uap->addr; 522 ap.len = uap->len; 523 ap.prot = uap->prot; 524 ap.flags = uap->flags; 525 ap.fd = uap->fd; 526 ap.poslo = uap->poslo; 527 ap.poshi = uap->poshi; 528 529 return (freebsd32_mmap(td, &ap)); 530} 531#endif 532 533int 534freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 535{ 536 struct itimerval itv, oitv, *itvp; 537 struct itimerval32 i32; 538 int error; 539 540 if (uap->itv != NULL) { 541 error = copyin(uap->itv, &i32, sizeof(i32)); 542 if (error) 543 return (error); 544 TV_CP(i32, itv, it_interval); 545 TV_CP(i32, itv, it_value); 546 itvp = &itv; 547 } else 548 itvp = NULL; 549 error = kern_setitimer(td, uap->which, itvp, &oitv); 550 if (error || uap->oitv == NULL) 551 return (error); 552 TV_CP(oitv, i32, it_interval); 553 TV_CP(oitv, i32, it_value); 554 return (copyout(&i32, uap->oitv, sizeof(i32))); 555} 556 557int 558freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 559{ 560 struct itimerval itv; 561 struct itimerval32 i32; 562 int error; 563 564 error = kern_getitimer(td, uap->which, &itv); 565 if (error || uap->itv == NULL) 566 return (error); 567 TV_CP(itv, i32, it_interval); 568 TV_CP(itv, i32, it_value); 569 return (copyout(&i32, uap->itv, sizeof(i32))); 570} 571 572int 573freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 574{ 575 struct timeval32 tv32; 576 struct timeval tv, *tvp; 577 int error; 578 579 if (uap->tv != NULL) { 580 error = copyin(uap->tv, &tv32, sizeof(tv32)); 581 if (error) 582 return (error); 583 CP(tv32, tv, tv_sec); 584 CP(tv32, tv, tv_usec); 585 tvp = &tv; 586 } else 587 tvp = NULL; 588 /* 589 * XXX big-endian needs to convert the fd_sets too. 590 * XXX Do pointers need PTRIN()? 591 */ 592 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp)); 593} 594 595/* 596 * Copy 'count' items into the destination list pointed to by uap->eventlist. 597 */ 598static int 599freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 600{ 601 struct freebsd32_kevent_args *uap; 602 struct kevent32 ks32[KQ_NEVENTS]; 603 int i, error = 0; 604 605 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 606 uap = (struct freebsd32_kevent_args *)arg; 607 608 for (i = 0; i < count; i++) { 609 CP(kevp[i], ks32[i], ident); 610 CP(kevp[i], ks32[i], filter); 611 CP(kevp[i], ks32[i], flags); 612 CP(kevp[i], ks32[i], fflags); 613 CP(kevp[i], ks32[i], data); 614 PTROUT_CP(kevp[i], ks32[i], udata); 615 } 616 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 617 if (error == 0) 618 uap->eventlist += count; 619 return (error); 620} 621 622/* 623 * Copy 'count' items from the list pointed to by uap->changelist. 624 */ 625static int 626freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 627{ 628 struct freebsd32_kevent_args *uap; 629 struct kevent32 ks32[KQ_NEVENTS]; 630 int i, error = 0; 631 632 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 633 uap = (struct freebsd32_kevent_args *)arg; 634 635 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 636 if (error) 637 goto done; 638 uap->changelist += count; 639 640 for (i = 0; i < count; i++) { 641 CP(ks32[i], kevp[i], ident); 642 CP(ks32[i], kevp[i], filter); 643 CP(ks32[i], kevp[i], flags); 644 CP(ks32[i], kevp[i], fflags); 645 CP(ks32[i], kevp[i], data); 646 PTRIN_CP(ks32[i], kevp[i], udata); 647 } 648done: 649 return (error); 650} 651 652int 653freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 654{ 655 struct timespec32 ts32; 656 struct timespec ts, *tsp; 657 struct kevent_copyops k_ops = { uap, 658 freebsd32_kevent_copyout, 659 freebsd32_kevent_copyin}; 660 int error; 661 662 663 if (uap->timeout) { 664 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 665 if (error) 666 return (error); 667 CP(ts32, ts, tv_sec); 668 CP(ts32, ts, tv_nsec); 669 tsp = &ts; 670 } else 671 tsp = NULL; 672 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 673 &k_ops, tsp); 674 return (error); 675} 676 677int 678freebsd32_gettimeofday(struct thread *td, 679 struct freebsd32_gettimeofday_args *uap) 680{ 681 struct timeval atv; 682 struct timeval32 atv32; 683 struct timezone rtz; 684 int error = 0; 685 686 if (uap->tp) { 687 microtime(&atv); 688 CP(atv, atv32, tv_sec); 689 CP(atv, atv32, tv_usec); 690 error = copyout(&atv32, uap->tp, sizeof (atv32)); 691 } 692 if (error == 0 && uap->tzp != NULL) { 693 rtz.tz_minuteswest = tz_minuteswest; 694 rtz.tz_dsttime = tz_dsttime; 695 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 696 } 697 return (error); 698} 699 700int 701freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 702{ 703 struct rusage32 s32; 704 struct rusage s; 705 int error; 706 707 error = kern_getrusage(td, uap->who, &s); 708 if (error) 709 return (error); 710 if (uap->rusage != NULL) { 711 TV_CP(s, s32, ru_utime); 712 TV_CP(s, s32, ru_stime); 713 CP(s, s32, ru_maxrss); 714 CP(s, s32, ru_ixrss); 715 CP(s, s32, ru_idrss); 716 CP(s, s32, ru_isrss); 717 CP(s, s32, ru_minflt); 718 CP(s, s32, ru_majflt); 719 CP(s, s32, ru_nswap); 720 CP(s, s32, ru_inblock); 721 CP(s, s32, ru_oublock); 722 CP(s, s32, ru_msgsnd); 723 CP(s, s32, ru_msgrcv); 724 CP(s, s32, ru_nsignals); 725 CP(s, s32, ru_nvcsw); 726 CP(s, s32, ru_nivcsw); 727 error = copyout(&s32, uap->rusage, sizeof(s32)); 728 } 729 return (error); 730} 731 732static int 733freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 734{ 735 struct iovec32 iov32; 736 struct iovec *iov; 737 struct uio *uio; 738 u_int iovlen; 739 int error, i; 740 741 *uiop = NULL; 742 if (iovcnt > UIO_MAXIOV) 743 return (EINVAL); 744 iovlen = iovcnt * sizeof(struct iovec); 745 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 746 iov = (struct iovec *)(uio + 1); 747 for (i = 0; i < iovcnt; i++) { 748 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 749 if (error) { 750 free(uio, M_IOV); 751 return (error); 752 } 753 iov[i].iov_base = PTRIN(iov32.iov_base); 754 iov[i].iov_len = iov32.iov_len; 755 } 756 uio->uio_iov = iov; 757 uio->uio_iovcnt = iovcnt; 758 uio->uio_segflg = UIO_USERSPACE; 759 uio->uio_offset = -1; 760 uio->uio_resid = 0; 761 for (i = 0; i < iovcnt; i++) { 762 if (iov->iov_len > INT_MAX - uio->uio_resid) { 763 free(uio, M_IOV); 764 return (EINVAL); 765 } 766 uio->uio_resid += iov->iov_len; 767 iov++; 768 } 769 *uiop = uio; 770 return (0); 771} 772 773int 774freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 775{ 776 struct uio *auio; 777 int error; 778 779 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 780 if (error) 781 return (error); 782 error = kern_readv(td, uap->fd, auio); 783 free(auio, M_IOV); 784 return (error); 785} 786 787int 788freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 789{ 790 struct uio *auio; 791 int error; 792 793 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 794 if (error) 795 return (error); 796 error = kern_writev(td, uap->fd, auio); 797 free(auio, M_IOV); 798 return (error); 799} 800 801int 802freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 803{ 804 struct uio *auio; 805 int error; 806 807 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 808 if (error) 809 return (error); 810 error = kern_preadv(td, uap->fd, auio, uap->offset); 811 free(auio, M_IOV); 812 return (error); 813} 814 815int 816freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 817{ 818 struct uio *auio; 819 int error; 820 821 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 822 if (error) 823 return (error); 824 error = kern_pwritev(td, uap->fd, auio, uap->offset); 825 free(auio, M_IOV); 826 return (error); 827} 828 829static int 830freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 831 int error) 832{ 833 struct iovec32 iov32; 834 struct iovec *iov; 835 u_int iovlen; 836 int i; 837 838 *iovp = NULL; 839 if (iovcnt > UIO_MAXIOV) 840 return (error); 841 iovlen = iovcnt * sizeof(struct iovec); 842 iov = malloc(iovlen, M_IOV, M_WAITOK); 843 for (i = 0; i < iovcnt; i++) { 844 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 845 if (error) { 846 free(iov, M_IOV); 847 return (error); 848 } 849 iov[i].iov_base = PTRIN(iov32.iov_base); 850 iov[i].iov_len = iov32.iov_len; 851 } 852 *iovp = iov; 853 return (0); 854} 855 856static int 857freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 858{ 859 struct msghdr32 m32; 860 int error; 861 862 error = copyin(msg32, &m32, sizeof(m32)); 863 if (error) 864 return (error); 865 msg->msg_name = PTRIN(m32.msg_name); 866 msg->msg_namelen = m32.msg_namelen; 867 msg->msg_iov = PTRIN(m32.msg_iov); 868 msg->msg_iovlen = m32.msg_iovlen; 869 msg->msg_control = PTRIN(m32.msg_control); 870 msg->msg_controllen = m32.msg_controllen; 871 msg->msg_flags = m32.msg_flags; 872 return (0); 873} 874 875static int 876freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 877{ 878 struct msghdr32 m32; 879 int error; 880 881 m32.msg_name = PTROUT(msg->msg_name); 882 m32.msg_namelen = msg->msg_namelen; 883 m32.msg_iov = PTROUT(msg->msg_iov); 884 m32.msg_iovlen = msg->msg_iovlen; 885 m32.msg_control = PTROUT(msg->msg_control); 886 m32.msg_controllen = msg->msg_controllen; 887 m32.msg_flags = msg->msg_flags; 888 error = copyout(&m32, msg32, sizeof(m32)); 889 return (error); 890} 891 892#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 893#define FREEBSD32_ALIGN(p) \ 894 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 895#define FREEBSD32_CMSG_SPACE(l) \ 896 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 897 898#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 899 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 900static int 901freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 902{ 903 struct cmsghdr *cm; 904 void *data; 905 socklen_t clen, datalen; 906 int error; 907 caddr_t ctlbuf; 908 int len, maxlen, copylen; 909 struct mbuf *m; 910 error = 0; 911 912 len = msg->msg_controllen; 913 maxlen = msg->msg_controllen; 914 msg->msg_controllen = 0; 915 916 m = control; 917 ctlbuf = msg->msg_control; 918 919 while (m && len > 0) { 920 cm = mtod(m, struct cmsghdr *); 921 clen = m->m_len; 922 923 while (cm != NULL) { 924 925 if (sizeof(struct cmsghdr) > clen || 926 cm->cmsg_len > clen) { 927 error = EINVAL; 928 break; 929 } 930 931 data = CMSG_DATA(cm); 932 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 933 934 /* Adjust message length */ 935 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 936 datalen; 937 938 939 /* Copy cmsghdr */ 940 copylen = sizeof(struct cmsghdr); 941 if (len < copylen) { 942 msg->msg_flags |= MSG_CTRUNC; 943 copylen = len; 944 } 945 946 error = copyout(cm,ctlbuf,copylen); 947 if (error) 948 goto exit; 949 950 ctlbuf += FREEBSD32_ALIGN(copylen); 951 len -= FREEBSD32_ALIGN(copylen); 952 953 if (len <= 0) 954 break; 955 956 /* Copy data */ 957 copylen = datalen; 958 if (len < copylen) { 959 msg->msg_flags |= MSG_CTRUNC; 960 copylen = len; 961 } 962 963 error = copyout(data,ctlbuf,copylen); 964 if (error) 965 goto exit; 966 967 ctlbuf += FREEBSD32_ALIGN(copylen); 968 len -= FREEBSD32_ALIGN(copylen); 969 970 if (CMSG_SPACE(datalen) < clen) { 971 clen -= CMSG_SPACE(datalen); 972 cm = (struct cmsghdr *) 973 ((caddr_t)cm + CMSG_SPACE(datalen)); 974 } else { 975 clen = 0; 976 cm = NULL; 977 } 978 } 979 m = m->m_next; 980 } 981 982 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 983 984exit: 985 return (error); 986 987} 988 989int 990freebsd32_recvmsg(td, uap) 991 struct thread *td; 992 struct freebsd32_recvmsg_args /* { 993 int s; 994 struct msghdr32 *msg; 995 int flags; 996 } */ *uap; 997{ 998 struct msghdr msg; 999 struct msghdr32 m32; 1000 struct iovec *uiov, *iov; 1001 struct mbuf *control = NULL; 1002 struct mbuf **controlp; 1003 1004 int error; 1005 error = copyin(uap->msg, &m32, sizeof(m32)); 1006 if (error) 1007 return (error); 1008 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1009 if (error) 1010 return (error); 1011 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1012 EMSGSIZE); 1013 if (error) 1014 return (error); 1015 msg.msg_flags = uap->flags; 1016 uiov = msg.msg_iov; 1017 msg.msg_iov = iov; 1018 1019 controlp = (msg.msg_control != NULL) ? &control : NULL; 1020 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1021 if (error == 0) { 1022 msg.msg_iov = uiov; 1023 1024 if (control != NULL) 1025 error = freebsd32_copy_msg_out(&msg, control); 1026 1027 if (error == 0) 1028 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1029 } 1030 free(iov, M_IOV); 1031 1032 if (control != NULL) 1033 m_freem(control); 1034 1035 return (error); 1036} 1037 1038 1039static int 1040freebsd32_convert_msg_in(struct mbuf **controlp) 1041{ 1042 struct mbuf *control = *controlp; 1043 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1044 void *data; 1045 socklen_t clen = control->m_len, datalen; 1046 int error; 1047 1048 error = 0; 1049 *controlp = NULL; 1050 1051 while (cm != NULL) { 1052 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1053 error = EINVAL; 1054 break; 1055 } 1056 1057 data = FREEBSD32_CMSG_DATA(cm); 1058 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1059 1060 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1061 cm->cmsg_level); 1062 controlp = &(*controlp)->m_next; 1063 1064 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1065 clen -= FREEBSD32_CMSG_SPACE(datalen); 1066 cm = (struct cmsghdr *) 1067 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1068 } else { 1069 clen = 0; 1070 cm = NULL; 1071 } 1072 } 1073 1074 m_freem(control); 1075 return (error); 1076} 1077 1078 1079int 1080freebsd32_sendmsg(struct thread *td, 1081 struct freebsd32_sendmsg_args *uap) 1082{ 1083 struct msghdr msg; 1084 struct msghdr32 m32; 1085 struct iovec *iov; 1086 struct mbuf *control = NULL; 1087 struct sockaddr *to = NULL; 1088 int error; 1089 1090 error = copyin(uap->msg, &m32, sizeof(m32)); 1091 if (error) 1092 return (error); 1093 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1094 if (error) 1095 return (error); 1096 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1097 EMSGSIZE); 1098 if (error) 1099 return (error); 1100 msg.msg_iov = iov; 1101 if (msg.msg_name != NULL) { 1102 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1103 if (error) { 1104 to = NULL; 1105 goto out; 1106 } 1107 msg.msg_name = to; 1108 } 1109 1110 if (msg.msg_control) { 1111 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1112 error = EINVAL; 1113 goto out; 1114 } 1115 1116 error = sockargs(&control, msg.msg_control, 1117 msg.msg_controllen, MT_CONTROL); 1118 if (error) 1119 goto out; 1120 1121 error = freebsd32_convert_msg_in(&control); 1122 if (error) 1123 goto out; 1124 } 1125 1126 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1127 UIO_USERSPACE); 1128 1129out: 1130 free(iov, M_IOV); 1131 if (to) 1132 free(to, M_SONAME); 1133 return (error); 1134} 1135 1136int 1137freebsd32_recvfrom(struct thread *td, 1138 struct freebsd32_recvfrom_args *uap) 1139{ 1140 struct msghdr msg; 1141 struct iovec aiov; 1142 int error; 1143 1144 if (uap->fromlenaddr) { 1145 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1146 sizeof(msg.msg_namelen)); 1147 if (error) 1148 return (error); 1149 } else { 1150 msg.msg_namelen = 0; 1151 } 1152 1153 msg.msg_name = PTRIN(uap->from); 1154 msg.msg_iov = &aiov; 1155 msg.msg_iovlen = 1; 1156 aiov.iov_base = PTRIN(uap->buf); 1157 aiov.iov_len = uap->len; 1158 msg.msg_control = NULL; 1159 msg.msg_flags = uap->flags; 1160 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1161 if (error == 0 && uap->fromlenaddr) 1162 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1163 sizeof (msg.msg_namelen)); 1164 return (error); 1165} 1166 1167int 1168freebsd32_settimeofday(struct thread *td, 1169 struct freebsd32_settimeofday_args *uap) 1170{ 1171 struct timeval32 tv32; 1172 struct timeval tv, *tvp; 1173 struct timezone tz, *tzp; 1174 int error; 1175 1176 if (uap->tv) { 1177 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1178 if (error) 1179 return (error); 1180 CP(tv32, tv, tv_sec); 1181 CP(tv32, tv, tv_usec); 1182 tvp = &tv; 1183 } else 1184 tvp = NULL; 1185 if (uap->tzp) { 1186 error = copyin(uap->tzp, &tz, sizeof(tz)); 1187 if (error) 1188 return (error); 1189 tzp = &tz; 1190 } else 1191 tzp = NULL; 1192 return (kern_settimeofday(td, tvp, tzp)); 1193} 1194 1195int 1196freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1197{ 1198 struct timeval32 s32[2]; 1199 struct timeval s[2], *sp; 1200 int error; 1201 1202 if (uap->tptr != NULL) { 1203 error = copyin(uap->tptr, s32, sizeof(s32)); 1204 if (error) 1205 return (error); 1206 CP(s32[0], s[0], tv_sec); 1207 CP(s32[0], s[0], tv_usec); 1208 CP(s32[1], s[1], tv_sec); 1209 CP(s32[1], s[1], tv_usec); 1210 sp = s; 1211 } else 1212 sp = NULL; 1213 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1214} 1215 1216int 1217freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1218{ 1219 struct timeval32 s32[2]; 1220 struct timeval s[2], *sp; 1221 int error; 1222 1223 if (uap->tptr != NULL) { 1224 error = copyin(uap->tptr, s32, sizeof(s32)); 1225 if (error) 1226 return (error); 1227 CP(s32[0], s[0], tv_sec); 1228 CP(s32[0], s[0], tv_usec); 1229 CP(s32[1], s[1], tv_sec); 1230 CP(s32[1], s[1], tv_usec); 1231 sp = s; 1232 } else 1233 sp = NULL; 1234 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1235} 1236 1237int 1238freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1239{ 1240 struct timeval32 s32[2]; 1241 struct timeval s[2], *sp; 1242 int error; 1243 1244 if (uap->tptr != NULL) { 1245 error = copyin(uap->tptr, s32, sizeof(s32)); 1246 if (error) 1247 return (error); 1248 CP(s32[0], s[0], tv_sec); 1249 CP(s32[0], s[0], tv_usec); 1250 CP(s32[1], s[1], tv_sec); 1251 CP(s32[1], s[1], tv_usec); 1252 sp = s; 1253 } else 1254 sp = NULL; 1255 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1256} 1257 1258int 1259freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1260{ 1261 struct timeval32 s32[2]; 1262 struct timeval s[2], *sp; 1263 int error; 1264 1265 if (uap->times != NULL) { 1266 error = copyin(uap->times, s32, sizeof(s32)); 1267 if (error) 1268 return (error); 1269 CP(s32[0], s[0], tv_sec); 1270 CP(s32[0], s[0], tv_usec); 1271 CP(s32[1], s[1], tv_sec); 1272 CP(s32[1], s[1], tv_usec); 1273 sp = s; 1274 } else 1275 sp = NULL; 1276 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1277 sp, UIO_SYSSPACE)); 1278} 1279 1280int 1281freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1282{ 1283 struct timeval32 tv32; 1284 struct timeval delta, olddelta, *deltap; 1285 int error; 1286 1287 if (uap->delta) { 1288 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1289 if (error) 1290 return (error); 1291 CP(tv32, delta, tv_sec); 1292 CP(tv32, delta, tv_usec); 1293 deltap = δ 1294 } else 1295 deltap = NULL; 1296 error = kern_adjtime(td, deltap, &olddelta); 1297 if (uap->olddelta && error == 0) { 1298 CP(olddelta, tv32, tv_sec); 1299 CP(olddelta, tv32, tv_usec); 1300 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1301 } 1302 return (error); 1303} 1304 1305#ifdef COMPAT_FREEBSD4 1306int 1307freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1308{ 1309 struct statfs32 s32; 1310 struct statfs s; 1311 int error; 1312 1313 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1314 if (error) 1315 return (error); 1316 copy_statfs(&s, &s32); 1317 return (copyout(&s32, uap->buf, sizeof(s32))); 1318} 1319#endif 1320 1321#ifdef COMPAT_FREEBSD4 1322int 1323freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1324{ 1325 struct statfs32 s32; 1326 struct statfs s; 1327 int error; 1328 1329 error = kern_fstatfs(td, uap->fd, &s); 1330 if (error) 1331 return (error); 1332 copy_statfs(&s, &s32); 1333 return (copyout(&s32, uap->buf, sizeof(s32))); 1334} 1335#endif 1336 1337#ifdef COMPAT_FREEBSD4 1338int 1339freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1340{ 1341 struct statfs32 s32; 1342 struct statfs s; 1343 fhandle_t fh; 1344 int error; 1345 1346 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1347 return (error); 1348 error = kern_fhstatfs(td, fh, &s); 1349 if (error) 1350 return (error); 1351 copy_statfs(&s, &s32); 1352 return (copyout(&s32, uap->buf, sizeof(s32))); 1353} 1354#endif 1355 1356#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1357 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1358static void 1359freebsd32_ipcperm_old_in(struct ipc_perm32_old *ip32, struct ipc_perm *ip) 1360{ 1361 1362 CP(*ip32, *ip, cuid); 1363 CP(*ip32, *ip, cgid); 1364 CP(*ip32, *ip, uid); 1365 CP(*ip32, *ip, gid); 1366 CP(*ip32, *ip, mode); 1367 CP(*ip32, *ip, seq); 1368 CP(*ip32, *ip, key); 1369} 1370 1371static void 1372freebsd32_ipcperm_old_out(struct ipc_perm *ip, struct ipc_perm32_old *ip32) 1373{ 1374 1375 CP(*ip, *ip32, cuid); 1376 CP(*ip, *ip32, cgid); 1377 CP(*ip, *ip32, uid); 1378 CP(*ip, *ip32, gid); 1379 CP(*ip, *ip32, mode); 1380 CP(*ip, *ip32, seq); 1381 CP(*ip, *ip32, key); 1382} 1383#endif 1384 1385static void 1386freebsd32_ipcperm_in(struct ipc_perm32 *ip32, struct ipc_perm *ip) 1387{ 1388 1389 CP(*ip32, *ip, cuid); 1390 CP(*ip32, *ip, cgid); 1391 CP(*ip32, *ip, uid); 1392 CP(*ip32, *ip, gid); 1393 CP(*ip32, *ip, mode); 1394 CP(*ip32, *ip, seq); 1395 CP(*ip32, *ip, key); 1396} 1397 1398static void 1399freebsd32_ipcperm_out(struct ipc_perm *ip, struct ipc_perm32 *ip32) 1400{ 1401 1402 CP(*ip, *ip32, cuid); 1403 CP(*ip, *ip32, cgid); 1404 CP(*ip, *ip32, uid); 1405 CP(*ip, *ip32, gid); 1406 CP(*ip, *ip32, mode); 1407 CP(*ip, *ip32, seq); 1408 CP(*ip, *ip32, key); 1409} 1410 1411int 1412freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1413{ 1414 1415#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1416 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1417 switch (uap->which) { 1418 case 0: 1419 return (freebsd32_semctl(td, 1420 (struct freebsd32_semctl_args *)&uap->a2)); 1421 default: 1422 return (semsys(td, (struct semsys_args *)uap)); 1423 } 1424#else 1425 return (nosys(td, NULL)); 1426#endif 1427} 1428 1429#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1430 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1431int 1432freebsd7_freebsd32_semctl(struct thread *td, 1433 struct freebsd7_freebsd32_semctl_args *uap) 1434{ 1435 struct semid_ds32_old dsbuf32; 1436 struct semid_ds dsbuf; 1437 union semun semun; 1438 union semun32 arg; 1439 register_t rval; 1440 int error; 1441 1442 switch (uap->cmd) { 1443 case SEM_STAT: 1444 case IPC_SET: 1445 case IPC_STAT: 1446 case GETALL: 1447 case SETVAL: 1448 case SETALL: 1449 error = copyin(uap->arg, &arg, sizeof(arg)); 1450 if (error) 1451 return (error); 1452 break; 1453 } 1454 1455 switch (uap->cmd) { 1456 case SEM_STAT: 1457 case IPC_STAT: 1458 semun.buf = &dsbuf; 1459 break; 1460 case IPC_SET: 1461 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1462 if (error) 1463 return (error); 1464 freebsd32_ipcperm_old_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1465 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1466 CP(dsbuf32, dsbuf, sem_nsems); 1467 CP(dsbuf32, dsbuf, sem_otime); 1468 CP(dsbuf32, dsbuf, sem_ctime); 1469 semun.buf = &dsbuf; 1470 break; 1471 case GETALL: 1472 case SETALL: 1473 semun.array = PTRIN(arg.array); 1474 break; 1475 case SETVAL: 1476 semun.val = arg.val; 1477 break; 1478 } 1479 1480 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1481 &rval); 1482 if (error) 1483 return (error); 1484 1485 switch (uap->cmd) { 1486 case SEM_STAT: 1487 case IPC_STAT: 1488 bzero(&dsbuf32, sizeof(dsbuf32)); 1489 freebsd32_ipcperm_old_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1490 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1491 CP(dsbuf, dsbuf32, sem_nsems); 1492 CP(dsbuf, dsbuf32, sem_otime); 1493 CP(dsbuf, dsbuf32, sem_ctime); 1494 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1495 break; 1496 } 1497 1498 if (error == 0) 1499 td->td_retval[0] = rval; 1500 return (error); 1501} 1502#endif 1503 1504int 1505freebsd32_semctl(struct thread *td, struct freebsd32_semctl_args *uap) 1506{ 1507 struct semid_ds32 dsbuf32; 1508 struct semid_ds dsbuf; 1509 union semun semun; 1510 union semun32 arg; 1511 register_t rval; 1512 int error; 1513 1514 switch (uap->cmd) { 1515 case SEM_STAT: 1516 case IPC_SET: 1517 case IPC_STAT: 1518 case GETALL: 1519 case SETVAL: 1520 case SETALL: 1521 error = copyin(uap->arg, &arg, sizeof(arg)); 1522 if (error) 1523 return (error); 1524 break; 1525 } 1526 1527 switch (uap->cmd) { 1528 case SEM_STAT: 1529 case IPC_STAT: 1530 semun.buf = &dsbuf; 1531 break; 1532 case IPC_SET: 1533 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1534 if (error) 1535 return (error); 1536 freebsd32_ipcperm_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1537 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1538 CP(dsbuf32, dsbuf, sem_nsems); 1539 CP(dsbuf32, dsbuf, sem_otime); 1540 CP(dsbuf32, dsbuf, sem_ctime); 1541 semun.buf = &dsbuf; 1542 break; 1543 case GETALL: 1544 case SETALL: 1545 semun.array = PTRIN(arg.array); 1546 break; 1547 case SETVAL: 1548 semun.val = arg.val; 1549 break; 1550 } 1551 1552 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1553 &rval); 1554 if (error) 1555 return (error); 1556 1557 switch (uap->cmd) { 1558 case SEM_STAT: 1559 case IPC_STAT: 1560 bzero(&dsbuf32, sizeof(dsbuf32)); 1561 freebsd32_ipcperm_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1562 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1563 CP(dsbuf, dsbuf32, sem_nsems); 1564 CP(dsbuf, dsbuf32, sem_otime); 1565 CP(dsbuf, dsbuf32, sem_ctime); 1566 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1567 break; 1568 } 1569 1570 if (error == 0) 1571 td->td_retval[0] = rval; 1572 return (error); 1573} 1574 1575int 1576freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1577{ 1578 1579#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1580 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1581 switch (uap->which) { 1582 case 0: 1583 return (freebsd32_msgctl(td, 1584 (struct freebsd32_msgctl_args *)&uap->a2)); 1585 case 2: 1586 return (freebsd32_msgsnd(td, 1587 (struct freebsd32_msgsnd_args *)&uap->a2)); 1588 case 3: 1589 return (freebsd32_msgrcv(td, 1590 (struct freebsd32_msgrcv_args *)&uap->a2)); 1591 default: 1592 return (msgsys(td, (struct msgsys_args *)uap)); 1593 } 1594#else 1595 return (nosys(td, NULL)); 1596#endif 1597} 1598 1599#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1600 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1601int 1602freebsd7_freebsd32_msgctl(struct thread *td, 1603 struct freebsd7_freebsd32_msgctl_args *uap) 1604{ 1605 struct msqid_ds msqbuf; 1606 struct msqid_ds32_old msqbuf32; 1607 int error; 1608 1609 if (uap->cmd == IPC_SET) { 1610 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1611 if (error) 1612 return (error); 1613 freebsd32_ipcperm_old_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1614 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1615 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1616 CP(msqbuf32, msqbuf, msg_cbytes); 1617 CP(msqbuf32, msqbuf, msg_qnum); 1618 CP(msqbuf32, msqbuf, msg_qbytes); 1619 CP(msqbuf32, msqbuf, msg_lspid); 1620 CP(msqbuf32, msqbuf, msg_lrpid); 1621 CP(msqbuf32, msqbuf, msg_stime); 1622 CP(msqbuf32, msqbuf, msg_rtime); 1623 CP(msqbuf32, msqbuf, msg_ctime); 1624 } 1625 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1626 if (error) 1627 return (error); 1628 if (uap->cmd == IPC_STAT) { 1629 bzero(&msqbuf32, sizeof(msqbuf32)); 1630 freebsd32_ipcperm_old_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1631 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1632 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1633 CP(msqbuf, msqbuf32, msg_cbytes); 1634 CP(msqbuf, msqbuf32, msg_qnum); 1635 CP(msqbuf, msqbuf32, msg_qbytes); 1636 CP(msqbuf, msqbuf32, msg_lspid); 1637 CP(msqbuf, msqbuf32, msg_lrpid); 1638 CP(msqbuf, msqbuf32, msg_stime); 1639 CP(msqbuf, msqbuf32, msg_rtime); 1640 CP(msqbuf, msqbuf32, msg_ctime); 1641 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1642 } 1643 return (error); 1644} 1645#endif 1646 1647int 1648freebsd32_msgctl(struct thread *td, struct freebsd32_msgctl_args *uap) 1649{ 1650 struct msqid_ds msqbuf; 1651 struct msqid_ds32 msqbuf32; 1652 int error; 1653 1654 if (uap->cmd == IPC_SET) { 1655 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1656 if (error) 1657 return (error); 1658 freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1659 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1660 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1661 CP(msqbuf32, msqbuf, msg_cbytes); 1662 CP(msqbuf32, msqbuf, msg_qnum); 1663 CP(msqbuf32, msqbuf, msg_qbytes); 1664 CP(msqbuf32, msqbuf, msg_lspid); 1665 CP(msqbuf32, msqbuf, msg_lrpid); 1666 CP(msqbuf32, msqbuf, msg_stime); 1667 CP(msqbuf32, msqbuf, msg_rtime); 1668 CP(msqbuf32, msqbuf, msg_ctime); 1669 } 1670 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1671 if (error) 1672 return (error); 1673 if (uap->cmd == IPC_STAT) { 1674 freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1675 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1676 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1677 CP(msqbuf, msqbuf32, msg_cbytes); 1678 CP(msqbuf, msqbuf32, msg_qnum); 1679 CP(msqbuf, msqbuf32, msg_qbytes); 1680 CP(msqbuf, msqbuf32, msg_lspid); 1681 CP(msqbuf, msqbuf32, msg_lrpid); 1682 CP(msqbuf, msqbuf32, msg_stime); 1683 CP(msqbuf, msqbuf32, msg_rtime); 1684 CP(msqbuf, msqbuf32, msg_ctime); 1685 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1686 } 1687 return (error); 1688} 1689 1690int 1691freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1692{ 1693 const void *msgp; 1694 long mtype; 1695 int32_t mtype32; 1696 int error; 1697 1698 msgp = PTRIN(uap->msgp); 1699 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1700 return (error); 1701 mtype = mtype32; 1702 return (kern_msgsnd(td, uap->msqid, 1703 (const char *)msgp + sizeof(mtype32), 1704 uap->msgsz, uap->msgflg, mtype)); 1705} 1706 1707int 1708freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1709{ 1710 void *msgp; 1711 long mtype; 1712 int32_t mtype32; 1713 int error; 1714 1715 msgp = PTRIN(uap->msgp); 1716 if ((error = kern_msgrcv(td, uap->msqid, 1717 (char *)msgp + sizeof(mtype32), uap->msgsz, 1718 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1719 return (error); 1720 mtype32 = (int32_t)mtype; 1721 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1722} 1723 1724int 1725freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1726{ 1727 1728#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1729 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1730 switch (uap->which) { 1731 case 0: { /* shmat */ 1732 struct shmat_args ap; 1733 1734 ap.shmid = uap->a2; 1735 ap.shmaddr = PTRIN(uap->a3); 1736 ap.shmflg = uap->a4; 1737 return (sysent[SYS_shmat].sy_call(td, &ap)); 1738 } 1739 case 2: { /* shmdt */ 1740 struct shmdt_args ap; 1741 1742 ap.shmaddr = PTRIN(uap->a2); 1743 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1744 } 1745 case 3: { /* shmget */ 1746 struct shmget_args ap; 1747 1748 ap.key = uap->a2; 1749 ap.size = uap->a3; 1750 ap.shmflg = uap->a4; 1751 return (sysent[SYS_shmget].sy_call(td, &ap)); 1752 } 1753 case 4: { /* shmctl */ 1754 struct freebsd32_shmctl_args ap; 1755 1756 ap.shmid = uap->a2; 1757 ap.cmd = uap->a3; 1758 ap.buf = PTRIN(uap->a4); 1759 return (freebsd32_shmctl(td, &ap)); 1760 } 1761 case 1: /* oshmctl */ 1762 default: 1763 return (EINVAL); 1764 } 1765#else 1766 return (nosys(td, NULL)); 1767#endif 1768} 1769 1770#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1771 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1772int 1773freebsd7_freebsd32_shmctl(struct thread *td, 1774 struct freebsd7_freebsd32_shmctl_args *uap) 1775{ 1776 int error = 0; 1777 union { 1778 struct shmid_ds shmid_ds; 1779 struct shm_info shm_info; 1780 struct shminfo shminfo; 1781 } u; 1782 union { 1783 struct shmid_ds32_old shmid_ds32; 1784 struct shm_info32 shm_info32; 1785 struct shminfo32 shminfo32; 1786 } u32; 1787 size_t sz; 1788 1789 if (uap->cmd == IPC_SET) { 1790 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1791 sizeof(u32.shmid_ds32)))) 1792 goto done; 1793 freebsd32_ipcperm_old_in(&u32.shmid_ds32.shm_perm, 1794 &u.shmid_ds.shm_perm); 1795 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1796 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1797 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1798 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1799 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1800 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1801 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1802 } 1803 1804 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1805 if (error) 1806 goto done; 1807 1808 /* Cases in which we need to copyout */ 1809 switch (uap->cmd) { 1810 case IPC_INFO: 1811 CP(u.shminfo, u32.shminfo32, shmmax); 1812 CP(u.shminfo, u32.shminfo32, shmmin); 1813 CP(u.shminfo, u32.shminfo32, shmmni); 1814 CP(u.shminfo, u32.shminfo32, shmseg); 1815 CP(u.shminfo, u32.shminfo32, shmall); 1816 error = copyout(&u32.shminfo32, uap->buf, 1817 sizeof(u32.shminfo32)); 1818 break; 1819 case SHM_INFO: 1820 CP(u.shm_info, u32.shm_info32, used_ids); 1821 CP(u.shm_info, u32.shm_info32, shm_rss); 1822 CP(u.shm_info, u32.shm_info32, shm_tot); 1823 CP(u.shm_info, u32.shm_info32, shm_swp); 1824 CP(u.shm_info, u32.shm_info32, swap_attempts); 1825 CP(u.shm_info, u32.shm_info32, swap_successes); 1826 error = copyout(&u32.shm_info32, uap->buf, 1827 sizeof(u32.shm_info32)); 1828 break; 1829 case SHM_STAT: 1830 case IPC_STAT: 1831 freebsd32_ipcperm_old_out(&u.shmid_ds.shm_perm, 1832 &u32.shmid_ds32.shm_perm); 1833 if (u.shmid_ds.shm_segsz > INT32_MAX) 1834 u32.shmid_ds32.shm_segsz = INT32_MAX; 1835 else 1836 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1837 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1838 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1839 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1840 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1841 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1842 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1843 u32.shmid_ds32.shm_internal = 0; 1844 error = copyout(&u32.shmid_ds32, uap->buf, 1845 sizeof(u32.shmid_ds32)); 1846 break; 1847 } 1848 1849done: 1850 if (error) { 1851 /* Invalidate the return value */ 1852 td->td_retval[0] = -1; 1853 } 1854 return (error); 1855} 1856#endif 1857 1858int 1859freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1860{ 1861 int error = 0; 1862 union { 1863 struct shmid_ds shmid_ds; 1864 struct shm_info shm_info; 1865 struct shminfo shminfo; 1866 } u; 1867 union { 1868 struct shmid_ds32 shmid_ds32; 1869 struct shm_info32 shm_info32; 1870 struct shminfo32 shminfo32; 1871 } u32; 1872 size_t sz; 1873 1874 if (uap->cmd == IPC_SET) { 1875 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1876 sizeof(u32.shmid_ds32)))) 1877 goto done; 1878 freebsd32_ipcperm_in(&u32.shmid_ds32.shm_perm, 1879 &u.shmid_ds.shm_perm); 1880 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1881 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1882 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1883 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1884 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1885 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1886 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1887 } 1888 1889 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1890 if (error) 1891 goto done; 1892 1893 /* Cases in which we need to copyout */ 1894 switch (uap->cmd) { 1895 case IPC_INFO: 1896 CP(u.shminfo, u32.shminfo32, shmmax); 1897 CP(u.shminfo, u32.shminfo32, shmmin); 1898 CP(u.shminfo, u32.shminfo32, shmmni); 1899 CP(u.shminfo, u32.shminfo32, shmseg); 1900 CP(u.shminfo, u32.shminfo32, shmall); 1901 error = copyout(&u32.shminfo32, uap->buf, 1902 sizeof(u32.shminfo32)); 1903 break; 1904 case SHM_INFO: 1905 CP(u.shm_info, u32.shm_info32, used_ids); 1906 CP(u.shm_info, u32.shm_info32, shm_rss); 1907 CP(u.shm_info, u32.shm_info32, shm_tot); 1908 CP(u.shm_info, u32.shm_info32, shm_swp); 1909 CP(u.shm_info, u32.shm_info32, swap_attempts); 1910 CP(u.shm_info, u32.shm_info32, swap_successes); 1911 error = copyout(&u32.shm_info32, uap->buf, 1912 sizeof(u32.shm_info32)); 1913 break; 1914 case SHM_STAT: 1915 case IPC_STAT: 1916 freebsd32_ipcperm_out(&u.shmid_ds.shm_perm, 1917 &u32.shmid_ds32.shm_perm); 1918 if (u.shmid_ds.shm_segsz > INT32_MAX) 1919 u32.shmid_ds32.shm_segsz = INT32_MAX; 1920 else 1921 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1922 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1923 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1924 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1925 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1926 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1927 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1928 error = copyout(&u32.shmid_ds32, uap->buf, 1929 sizeof(u32.shmid_ds32)); 1930 break; 1931 } 1932 1933done: 1934 if (error) { 1935 /* Invalidate the return value */ 1936 td->td_retval[0] = -1; 1937 } 1938 return (error); 1939} 1940 1941int 1942freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1943{ 1944 struct pread_args ap; 1945 1946 ap.fd = uap->fd; 1947 ap.buf = uap->buf; 1948 ap.nbyte = uap->nbyte; 1949 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1950 return (pread(td, &ap)); 1951} 1952 1953int 1954freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1955{ 1956 struct pwrite_args ap; 1957 1958 ap.fd = uap->fd; 1959 ap.buf = uap->buf; 1960 ap.nbyte = uap->nbyte; 1961 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1962 return (pwrite(td, &ap)); 1963} 1964 1965int 1966freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1967{ 1968 int error; 1969 struct lseek_args ap; 1970 off_t pos; 1971 1972 ap.fd = uap->fd; 1973 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 1974 ap.whence = uap->whence; 1975 error = lseek(td, &ap); 1976 /* Expand the quad return into two parts for eax and edx */ 1977 pos = *(off_t *)(td->td_retval); 1978 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 1979 td->td_retval[1] = pos >> 32; /* %edx */ 1980 return error; 1981} 1982 1983int 1984freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1985{ 1986 struct truncate_args ap; 1987 1988 ap.path = uap->path; 1989 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 1990 return (truncate(td, &ap)); 1991} 1992 1993int 1994freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1995{ 1996 struct ftruncate_args ap; 1997 1998 ap.fd = uap->fd; 1999 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2000 return (ftruncate(td, &ap)); 2001} 2002 2003int 2004freebsd32_getdirentries(struct thread *td, 2005 struct freebsd32_getdirentries_args *uap) 2006{ 2007 long base; 2008 int32_t base32; 2009 int error; 2010 2011 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 2012 if (error) 2013 return (error); 2014 if (uap->basep != NULL) { 2015 base32 = base; 2016 error = copyout(&base32, uap->basep, sizeof(int32_t)); 2017 } 2018 return (error); 2019} 2020 2021#ifdef COMPAT_FREEBSD6 2022/* versions with the 'int pad' argument */ 2023int 2024freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 2025{ 2026 struct pread_args ap; 2027 2028 ap.fd = uap->fd; 2029 ap.buf = uap->buf; 2030 ap.nbyte = uap->nbyte; 2031 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2032 return (pread(td, &ap)); 2033} 2034 2035int 2036freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 2037{ 2038 struct pwrite_args ap; 2039 2040 ap.fd = uap->fd; 2041 ap.buf = uap->buf; 2042 ap.nbyte = uap->nbyte; 2043 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2044 return (pwrite(td, &ap)); 2045} 2046 2047int 2048freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 2049{ 2050 int error; 2051 struct lseek_args ap; 2052 off_t pos; 2053 2054 ap.fd = uap->fd; 2055 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2056 ap.whence = uap->whence; 2057 error = lseek(td, &ap); 2058 /* Expand the quad return into two parts for eax and edx */ 2059 pos = *(off_t *)(td->td_retval); 2060 td->td_retval[0] = pos & 0xffffffff; /* %eax */ 2061 td->td_retval[1] = pos >> 32; /* %edx */ 2062 return error; 2063} 2064 2065int 2066freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 2067{ 2068 struct truncate_args ap; 2069 2070 ap.path = uap->path; 2071 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2072 return (truncate(td, &ap)); 2073} 2074 2075int 2076freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 2077{ 2078 struct ftruncate_args ap; 2079 2080 ap.fd = uap->fd; 2081 ap.length = (uap->lengthlo | ((off_t)uap->lengthhi << 32)); 2082 return (ftruncate(td, &ap)); 2083} 2084#endif /* COMPAT_FREEBSD6 */ 2085 2086struct sf_hdtr32 { 2087 uint32_t headers; 2088 int hdr_cnt; 2089 uint32_t trailers; 2090 int trl_cnt; 2091}; 2092 2093static int 2094freebsd32_do_sendfile(struct thread *td, 2095 struct freebsd32_sendfile_args *uap, int compat) 2096{ 2097 struct sendfile_args ap; 2098 struct sf_hdtr32 hdtr32; 2099 struct sf_hdtr hdtr; 2100 struct uio *hdr_uio, *trl_uio; 2101 struct iovec32 *iov32; 2102 int error; 2103 2104 hdr_uio = trl_uio = NULL; 2105 2106 ap.fd = uap->fd; 2107 ap.s = uap->s; 2108 ap.offset = (uap->offsetlo | ((off_t)uap->offsethi << 32)); 2109 ap.nbytes = uap->nbytes; 2110 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 2111 ap.sbytes = uap->sbytes; 2112 ap.flags = uap->flags; 2113 2114 if (uap->hdtr != NULL) { 2115 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 2116 if (error) 2117 goto out; 2118 PTRIN_CP(hdtr32, hdtr, headers); 2119 CP(hdtr32, hdtr, hdr_cnt); 2120 PTRIN_CP(hdtr32, hdtr, trailers); 2121 CP(hdtr32, hdtr, trl_cnt); 2122 2123 if (hdtr.headers != NULL) { 2124 iov32 = PTRIN(hdtr32.headers); 2125 error = freebsd32_copyinuio(iov32, 2126 hdtr32.hdr_cnt, &hdr_uio); 2127 if (error) 2128 goto out; 2129 } 2130 if (hdtr.trailers != NULL) { 2131 iov32 = PTRIN(hdtr32.trailers); 2132 error = freebsd32_copyinuio(iov32, 2133 hdtr32.trl_cnt, &trl_uio); 2134 if (error) 2135 goto out; 2136 } 2137 } 2138 2139 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 2140out: 2141 if (hdr_uio) 2142 free(hdr_uio, M_IOV); 2143 if (trl_uio) 2144 free(trl_uio, M_IOV); 2145 return (error); 2146} 2147 2148#ifdef COMPAT_FREEBSD4 2149int 2150freebsd4_freebsd32_sendfile(struct thread *td, 2151 struct freebsd4_freebsd32_sendfile_args *uap) 2152{ 2153 return (freebsd32_do_sendfile(td, 2154 (struct freebsd32_sendfile_args *)uap, 1)); 2155} 2156#endif 2157 2158int 2159freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 2160{ 2161 2162 return (freebsd32_do_sendfile(td, uap, 0)); 2163} 2164 2165static void 2166copy_stat( struct stat *in, struct stat32 *out) 2167{ 2168 CP(*in, *out, st_dev); 2169 CP(*in, *out, st_ino); 2170 CP(*in, *out, st_mode); 2171 CP(*in, *out, st_nlink); 2172 CP(*in, *out, st_uid); 2173 CP(*in, *out, st_gid); 2174 CP(*in, *out, st_rdev); 2175 TS_CP(*in, *out, st_atimespec); 2176 TS_CP(*in, *out, st_mtimespec); 2177 TS_CP(*in, *out, st_ctimespec); 2178 CP(*in, *out, st_size); 2179 CP(*in, *out, st_blocks); 2180 CP(*in, *out, st_blksize); 2181 CP(*in, *out, st_flags); 2182 CP(*in, *out, st_gen); 2183} 2184 2185int 2186freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 2187{ 2188 struct stat sb; 2189 struct stat32 sb32; 2190 int error; 2191 2192 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 2193 if (error) 2194 return (error); 2195 copy_stat(&sb, &sb32); 2196 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2197 return (error); 2198} 2199 2200int 2201freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 2202{ 2203 struct stat ub; 2204 struct stat32 ub32; 2205 int error; 2206 2207 error = kern_fstat(td, uap->fd, &ub); 2208 if (error) 2209 return (error); 2210 copy_stat(&ub, &ub32); 2211 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2212 return (error); 2213} 2214 2215int 2216freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2217{ 2218 struct stat ub; 2219 struct stat32 ub32; 2220 int error; 2221 2222 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 2223 if (error) 2224 return (error); 2225 copy_stat(&ub, &ub32); 2226 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2227 return (error); 2228} 2229 2230int 2231freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 2232{ 2233 struct stat sb; 2234 struct stat32 sb32; 2235 int error; 2236 2237 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 2238 if (error) 2239 return (error); 2240 copy_stat(&sb, &sb32); 2241 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2242 return (error); 2243} 2244 2245/* 2246 * MPSAFE 2247 */ 2248int 2249freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 2250{ 2251 int error, name[CTL_MAXNAME]; 2252 size_t j, oldlen; 2253 2254 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2255 return (EINVAL); 2256 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2257 if (error) 2258 return (error); 2259 if (uap->oldlenp) 2260 oldlen = fuword32(uap->oldlenp); 2261 else 2262 oldlen = 0; 2263 error = userland_sysctl(td, name, uap->namelen, 2264 uap->old, &oldlen, 1, 2265 uap->new, uap->newlen, &j, SCTL_MASK32); 2266 if (error && error != ENOMEM) 2267 return (error); 2268 if (uap->oldlenp) 2269 suword32(uap->oldlenp, j); 2270 return (0); 2271} 2272 2273int 2274freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2275{ 2276 uint32_t version; 2277 int error; 2278 struct jail j; 2279 2280 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2281 if (error) 2282 return (error); 2283 2284 switch (version) { 2285 case 0: 2286 { 2287 /* FreeBSD single IPv4 jails. */ 2288 struct jail32_v0 j32_v0; 2289 2290 bzero(&j, sizeof(struct jail)); 2291 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2292 if (error) 2293 return (error); 2294 CP(j32_v0, j, version); 2295 PTRIN_CP(j32_v0, j, path); 2296 PTRIN_CP(j32_v0, j, hostname); 2297 j.ip4s = j32_v0.ip_number; 2298 break; 2299 } 2300 2301 case 1: 2302 /* 2303 * Version 1 was used by multi-IPv4 jail implementations 2304 * that never made it into the official kernel. 2305 */ 2306 return (EINVAL); 2307 2308 case 2: /* JAIL_API_VERSION */ 2309 { 2310 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2311 struct jail32 j32; 2312 2313 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2314 if (error) 2315 return (error); 2316 CP(j32, j, version); 2317 PTRIN_CP(j32, j, path); 2318 PTRIN_CP(j32, j, hostname); 2319 PTRIN_CP(j32, j, jailname); 2320 CP(j32, j, ip4s); 2321 CP(j32, j, ip6s); 2322 PTRIN_CP(j32, j, ip4); 2323 PTRIN_CP(j32, j, ip6); 2324 break; 2325 } 2326 2327 default: 2328 /* Sci-Fi jails are not supported, sorry. */ 2329 return (EINVAL); 2330 } 2331 return (kern_jail(td, &j)); 2332} 2333 2334int 2335freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2336{ 2337 struct uio *auio; 2338 int error; 2339 2340 /* Check that we have an even number of iovecs. */ 2341 if (uap->iovcnt & 1) 2342 return (EINVAL); 2343 2344 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2345 if (error) 2346 return (error); 2347 error = kern_jail_set(td, auio, uap->flags); 2348 free(auio, M_IOV); 2349 return (error); 2350} 2351 2352int 2353freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2354{ 2355 struct iovec32 iov32; 2356 struct uio *auio; 2357 int error, i; 2358 2359 /* Check that we have an even number of iovecs. */ 2360 if (uap->iovcnt & 1) 2361 return (EINVAL); 2362 2363 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2364 if (error) 2365 return (error); 2366 error = kern_jail_get(td, auio, uap->flags); 2367 if (error == 0) 2368 for (i = 0; i < uap->iovcnt; i++) { 2369 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2370 CP(auio->uio_iov[i], iov32, iov_len); 2371 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2372 if (error != 0) 2373 break; 2374 } 2375 free(auio, M_IOV); 2376 return (error); 2377} 2378 2379int 2380freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2381{ 2382 struct sigaction32 s32; 2383 struct sigaction sa, osa, *sap; 2384 int error; 2385 2386 if (uap->act) { 2387 error = copyin(uap->act, &s32, sizeof(s32)); 2388 if (error) 2389 return (error); 2390 sa.sa_handler = PTRIN(s32.sa_u); 2391 CP(s32, sa, sa_flags); 2392 CP(s32, sa, sa_mask); 2393 sap = &sa; 2394 } else 2395 sap = NULL; 2396 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2397 if (error == 0 && uap->oact != NULL) { 2398 s32.sa_u = PTROUT(osa.sa_handler); 2399 CP(osa, s32, sa_flags); 2400 CP(osa, s32, sa_mask); 2401 error = copyout(&s32, uap->oact, sizeof(s32)); 2402 } 2403 return (error); 2404} 2405 2406#ifdef COMPAT_FREEBSD4 2407int 2408freebsd4_freebsd32_sigaction(struct thread *td, 2409 struct freebsd4_freebsd32_sigaction_args *uap) 2410{ 2411 struct sigaction32 s32; 2412 struct sigaction sa, osa, *sap; 2413 int error; 2414 2415 if (uap->act) { 2416 error = copyin(uap->act, &s32, sizeof(s32)); 2417 if (error) 2418 return (error); 2419 sa.sa_handler = PTRIN(s32.sa_u); 2420 CP(s32, sa, sa_flags); 2421 CP(s32, sa, sa_mask); 2422 sap = &sa; 2423 } else 2424 sap = NULL; 2425 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2426 if (error == 0 && uap->oact != NULL) { 2427 s32.sa_u = PTROUT(osa.sa_handler); 2428 CP(osa, s32, sa_flags); 2429 CP(osa, s32, sa_mask); 2430 error = copyout(&s32, uap->oact, sizeof(s32)); 2431 } 2432 return (error); 2433} 2434#endif 2435 2436#ifdef COMPAT_43 2437struct osigaction32 { 2438 u_int32_t sa_u; 2439 osigset_t sa_mask; 2440 int sa_flags; 2441}; 2442 2443#define ONSIG 32 2444 2445int 2446ofreebsd32_sigaction(struct thread *td, 2447 struct ofreebsd32_sigaction_args *uap) 2448{ 2449 struct osigaction32 s32; 2450 struct sigaction sa, osa, *sap; 2451 int error; 2452 2453 if (uap->signum <= 0 || uap->signum >= ONSIG) 2454 return (EINVAL); 2455 2456 if (uap->nsa) { 2457 error = copyin(uap->nsa, &s32, sizeof(s32)); 2458 if (error) 2459 return (error); 2460 sa.sa_handler = PTRIN(s32.sa_u); 2461 CP(s32, sa, sa_flags); 2462 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2463 sap = &sa; 2464 } else 2465 sap = NULL; 2466 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2467 if (error == 0 && uap->osa != NULL) { 2468 s32.sa_u = PTROUT(osa.sa_handler); 2469 CP(osa, s32, sa_flags); 2470 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2471 error = copyout(&s32, uap->osa, sizeof(s32)); 2472 } 2473 return (error); 2474} 2475 2476int 2477ofreebsd32_sigprocmask(struct thread *td, 2478 struct ofreebsd32_sigprocmask_args *uap) 2479{ 2480 sigset_t set, oset; 2481 int error; 2482 2483 OSIG2SIG(uap->mask, set); 2484 error = kern_sigprocmask(td, uap->how, &set, &oset, 1); 2485 SIG2OSIG(oset, td->td_retval[0]); 2486 return (error); 2487} 2488 2489int 2490ofreebsd32_sigpending(struct thread *td, 2491 struct ofreebsd32_sigpending_args *uap) 2492{ 2493 struct proc *p = td->td_proc; 2494 sigset_t siglist; 2495 2496 PROC_LOCK(p); 2497 siglist = p->p_siglist; 2498 SIGSETOR(siglist, td->td_siglist); 2499 PROC_UNLOCK(p); 2500 SIG2OSIG(siglist, td->td_retval[0]); 2501 return (0); 2502} 2503 2504struct sigvec32 { 2505 u_int32_t sv_handler; 2506 int sv_mask; 2507 int sv_flags; 2508}; 2509 2510int 2511ofreebsd32_sigvec(struct thread *td, 2512 struct ofreebsd32_sigvec_args *uap) 2513{ 2514 struct sigvec32 vec; 2515 struct sigaction sa, osa, *sap; 2516 int error; 2517 2518 if (uap->signum <= 0 || uap->signum >= ONSIG) 2519 return (EINVAL); 2520 2521 if (uap->nsv) { 2522 error = copyin(uap->nsv, &vec, sizeof(vec)); 2523 if (error) 2524 return (error); 2525 sa.sa_handler = PTRIN(vec.sv_handler); 2526 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2527 sa.sa_flags = vec.sv_flags; 2528 sa.sa_flags ^= SA_RESTART; 2529 sap = &sa; 2530 } else 2531 sap = NULL; 2532 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2533 if (error == 0 && uap->osv != NULL) { 2534 vec.sv_handler = PTROUT(osa.sa_handler); 2535 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2536 vec.sv_flags = osa.sa_flags; 2537 vec.sv_flags &= ~SA_NOCLDWAIT; 2538 vec.sv_flags ^= SA_RESTART; 2539 error = copyout(&vec, uap->osv, sizeof(vec)); 2540 } 2541 return (error); 2542} 2543 2544int 2545ofreebsd32_sigblock(struct thread *td, 2546 struct ofreebsd32_sigblock_args *uap) 2547{ 2548 struct proc *p = td->td_proc; 2549 sigset_t set; 2550 2551 OSIG2SIG(uap->mask, set); 2552 SIG_CANTMASK(set); 2553 PROC_LOCK(p); 2554 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2555 SIGSETOR(td->td_sigmask, set); 2556 PROC_UNLOCK(p); 2557 return (0); 2558} 2559 2560int 2561ofreebsd32_sigsetmask(struct thread *td, 2562 struct ofreebsd32_sigsetmask_args *uap) 2563{ 2564 struct proc *p = td->td_proc; 2565 sigset_t set; 2566 2567 OSIG2SIG(uap->mask, set); 2568 SIG_CANTMASK(set); 2569 PROC_LOCK(p); 2570 SIG2OSIG(td->td_sigmask, td->td_retval[0]); 2571 SIGSETLO(td->td_sigmask, set); 2572 signotify(td); 2573 PROC_UNLOCK(p); 2574 return (0); 2575} 2576 2577int 2578ofreebsd32_sigsuspend(struct thread *td, 2579 struct ofreebsd32_sigsuspend_args *uap) 2580{ 2581 struct proc *p = td->td_proc; 2582 sigset_t mask; 2583 2584 PROC_LOCK(p); 2585 td->td_oldsigmask = td->td_sigmask; 2586 td->td_pflags |= TDP_OLDMASK; 2587 OSIG2SIG(uap->mask, mask); 2588 SIG_CANTMASK(mask); 2589 SIGSETLO(td->td_sigmask, mask); 2590 signotify(td); 2591 while (msleep(&p->p_sigacts, &p->p_mtx, PPAUSE|PCATCH, "opause", 0) == 0) 2592 /* void */; 2593 PROC_UNLOCK(p); 2594 /* always return EINTR rather than ERESTART... */ 2595 return (EINTR); 2596} 2597 2598struct sigstack32 { 2599 u_int32_t ss_sp; 2600 int ss_onstack; 2601}; 2602 2603int 2604ofreebsd32_sigstack(struct thread *td, 2605 struct ofreebsd32_sigstack_args *uap) 2606{ 2607 struct sigstack32 s32; 2608 struct sigstack nss, oss; 2609 int error = 0, unss; 2610 2611 if (uap->nss != NULL) { 2612 error = copyin(uap->nss, &s32, sizeof(s32)); 2613 if (error) 2614 return (error); 2615 nss.ss_sp = PTRIN(s32.ss_sp); 2616 CP(s32, nss, ss_onstack); 2617 unss = 1; 2618 } else { 2619 unss = 0; 2620 } 2621 oss.ss_sp = td->td_sigstk.ss_sp; 2622 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2623 if (unss) { 2624 td->td_sigstk.ss_sp = nss.ss_sp; 2625 td->td_sigstk.ss_size = 0; 2626 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2627 td->td_pflags |= TDP_ALTSTACK; 2628 } 2629 if (uap->oss != NULL) { 2630 s32.ss_sp = PTROUT(oss.ss_sp); 2631 CP(oss, s32, ss_onstack); 2632 error = copyout(&s32, uap->oss, sizeof(s32)); 2633 } 2634 return (error); 2635} 2636#endif 2637 2638int 2639freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2640{ 2641 struct timespec32 rmt32, rqt32; 2642 struct timespec rmt, rqt; 2643 int error; 2644 2645 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2646 if (error) 2647 return (error); 2648 2649 CP(rqt32, rqt, tv_sec); 2650 CP(rqt32, rqt, tv_nsec); 2651 2652 if (uap->rmtp && 2653 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2654 return (EFAULT); 2655 error = kern_nanosleep(td, &rqt, &rmt); 2656 if (error && uap->rmtp) { 2657 int error2; 2658 2659 CP(rmt, rmt32, tv_sec); 2660 CP(rmt, rmt32, tv_nsec); 2661 2662 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2663 if (error2) 2664 error = error2; 2665 } 2666 return (error); 2667} 2668 2669int 2670freebsd32_clock_gettime(struct thread *td, 2671 struct freebsd32_clock_gettime_args *uap) 2672{ 2673 struct timespec ats; 2674 struct timespec32 ats32; 2675 int error; 2676 2677 error = kern_clock_gettime(td, uap->clock_id, &ats); 2678 if (error == 0) { 2679 CP(ats, ats32, tv_sec); 2680 CP(ats, ats32, tv_nsec); 2681 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2682 } 2683 return (error); 2684} 2685 2686int 2687freebsd32_clock_settime(struct thread *td, 2688 struct freebsd32_clock_settime_args *uap) 2689{ 2690 struct timespec ats; 2691 struct timespec32 ats32; 2692 int error; 2693 2694 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2695 if (error) 2696 return (error); 2697 CP(ats32, ats, tv_sec); 2698 CP(ats32, ats, tv_nsec); 2699 2700 return (kern_clock_settime(td, uap->clock_id, &ats)); 2701} 2702 2703int 2704freebsd32_clock_getres(struct thread *td, 2705 struct freebsd32_clock_getres_args *uap) 2706{ 2707 struct timespec ts; 2708 struct timespec32 ts32; 2709 int error; 2710 2711 if (uap->tp == NULL) 2712 return (0); 2713 error = kern_clock_getres(td, uap->clock_id, &ts); 2714 if (error == 0) { 2715 CP(ts, ts32, tv_sec); 2716 CP(ts, ts32, tv_nsec); 2717 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2718 } 2719 return (error); 2720} 2721 2722int 2723freebsd32_thr_new(struct thread *td, 2724 struct freebsd32_thr_new_args *uap) 2725{ 2726 struct thr_param32 param32; 2727 struct thr_param param; 2728 int error; 2729 2730 if (uap->param_size < 0 || 2731 uap->param_size > sizeof(struct thr_param32)) 2732 return (EINVAL); 2733 bzero(¶m, sizeof(struct thr_param)); 2734 bzero(¶m32, sizeof(struct thr_param32)); 2735 error = copyin(uap->param, ¶m32, uap->param_size); 2736 if (error != 0) 2737 return (error); 2738 param.start_func = PTRIN(param32.start_func); 2739 param.arg = PTRIN(param32.arg); 2740 param.stack_base = PTRIN(param32.stack_base); 2741 param.stack_size = param32.stack_size; 2742 param.tls_base = PTRIN(param32.tls_base); 2743 param.tls_size = param32.tls_size; 2744 param.child_tid = PTRIN(param32.child_tid); 2745 param.parent_tid = PTRIN(param32.parent_tid); 2746 param.flags = param32.flags; 2747 param.rtp = PTRIN(param32.rtp); 2748 param.spare[0] = PTRIN(param32.spare[0]); 2749 param.spare[1] = PTRIN(param32.spare[1]); 2750 param.spare[2] = PTRIN(param32.spare[2]); 2751 2752 return (kern_thr_new(td, ¶m)); 2753} 2754 2755int 2756freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2757{ 2758 struct timespec32 ts32; 2759 struct timespec ts, *tsp; 2760 int error; 2761 2762 error = 0; 2763 tsp = NULL; 2764 if (uap->timeout != NULL) { 2765 error = copyin((const void *)uap->timeout, (void *)&ts32, 2766 sizeof(struct timespec32)); 2767 if (error != 0) 2768 return (error); 2769 ts.tv_sec = ts32.tv_sec; 2770 ts.tv_nsec = ts32.tv_nsec; 2771 tsp = &ts; 2772 } 2773 return (kern_thr_suspend(td, tsp)); 2774} 2775 2776void 2777siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2778{ 2779 bzero(dst, sizeof(*dst)); 2780 dst->si_signo = src->si_signo; 2781 dst->si_errno = src->si_errno; 2782 dst->si_code = src->si_code; 2783 dst->si_pid = src->si_pid; 2784 dst->si_uid = src->si_uid; 2785 dst->si_status = src->si_status; 2786 dst->si_addr = (uintptr_t)src->si_addr; 2787 dst->si_value.sigval_int = src->si_value.sival_int; 2788 dst->si_timerid = src->si_timerid; 2789 dst->si_overrun = src->si_overrun; 2790} 2791 2792int 2793freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2794{ 2795 struct timespec32 ts32; 2796 struct timespec ts; 2797 struct timespec *timeout; 2798 sigset_t set; 2799 ksiginfo_t ksi; 2800 struct siginfo32 si32; 2801 int error; 2802 2803 if (uap->timeout) { 2804 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2805 if (error) 2806 return (error); 2807 ts.tv_sec = ts32.tv_sec; 2808 ts.tv_nsec = ts32.tv_nsec; 2809 timeout = &ts; 2810 } else 2811 timeout = NULL; 2812 2813 error = copyin(uap->set, &set, sizeof(set)); 2814 if (error) 2815 return (error); 2816 2817 error = kern_sigtimedwait(td, set, &ksi, timeout); 2818 if (error) 2819 return (error); 2820 2821 if (uap->info) { 2822 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2823 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2824 } 2825 2826 if (error == 0) 2827 td->td_retval[0] = ksi.ksi_signo; 2828 return (error); 2829} 2830 2831/* 2832 * MPSAFE 2833 */ 2834int 2835freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2836{ 2837 ksiginfo_t ksi; 2838 struct siginfo32 si32; 2839 sigset_t set; 2840 int error; 2841 2842 error = copyin(uap->set, &set, sizeof(set)); 2843 if (error) 2844 return (error); 2845 2846 error = kern_sigtimedwait(td, set, &ksi, NULL); 2847 if (error) 2848 return (error); 2849 2850 if (uap->info) { 2851 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2852 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2853 } 2854 if (error == 0) 2855 td->td_retval[0] = ksi.ksi_signo; 2856 return (error); 2857} 2858 2859int 2860freebsd32_cpuset_setid(struct thread *td, 2861 struct freebsd32_cpuset_setid_args *uap) 2862{ 2863 struct cpuset_setid_args ap; 2864 2865 ap.which = uap->which; 2866 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2867 ap.setid = uap->setid; 2868 2869 return (cpuset_setid(td, &ap)); 2870} 2871 2872int 2873freebsd32_cpuset_getid(struct thread *td, 2874 struct freebsd32_cpuset_getid_args *uap) 2875{ 2876 struct cpuset_getid_args ap; 2877 2878 ap.level = uap->level; 2879 ap.which = uap->which; 2880 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2881 ap.setid = uap->setid; 2882 2883 return (cpuset_getid(td, &ap)); 2884} 2885 2886int 2887freebsd32_cpuset_getaffinity(struct thread *td, 2888 struct freebsd32_cpuset_getaffinity_args *uap) 2889{ 2890 struct cpuset_getaffinity_args ap; 2891 2892 ap.level = uap->level; 2893 ap.which = uap->which; 2894 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2895 ap.cpusetsize = uap->cpusetsize; 2896 ap.mask = uap->mask; 2897 2898 return (cpuset_getaffinity(td, &ap)); 2899} 2900 2901int 2902freebsd32_cpuset_setaffinity(struct thread *td, 2903 struct freebsd32_cpuset_setaffinity_args *uap) 2904{ 2905 struct cpuset_setaffinity_args ap; 2906 2907 ap.level = uap->level; 2908 ap.which = uap->which; 2909 ap.id = (uap->idlo | ((id_t)uap->idhi << 32)); 2910 ap.cpusetsize = uap->cpusetsize; 2911 ap.mask = uap->mask; 2912 2913 return (cpuset_setaffinity(td, &ap)); 2914} 2915 2916int 2917freebsd32_nmount(struct thread *td, 2918 struct freebsd32_nmount_args /* { 2919 struct iovec *iovp; 2920 unsigned int iovcnt; 2921 int flags; 2922 } */ *uap) 2923{ 2924 struct uio *auio; 2925 int error; 2926 2927 AUDIT_ARG_FFLAGS(uap->flags); 2928 2929 /* 2930 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2931 * userspace to set this flag, but we must filter it out if we want 2932 * MNT_UPDATE on the root file system to work. 2933 * MNT_ROOTFS should only be set in the kernel in vfs_mountroot_try(). 2934 */ 2935 uap->flags &= ~MNT_ROOTFS; 2936 2937 /* 2938 * check that we have an even number of iovec's 2939 * and that we have at least two options. 2940 */ 2941 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2942 return (EINVAL); 2943 2944 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2945 if (error) 2946 return (error); 2947 error = vfs_donmount(td, uap->flags, auio); 2948 2949 free(auio, M_IOV); 2950 return error; 2951} 2952 2953#if 0 2954int 2955freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2956{ 2957 struct yyy32 *p32, s32; 2958 struct yyy *p = NULL, s; 2959 struct xxx_arg ap; 2960 int error; 2961 2962 if (uap->zzz) { 2963 error = copyin(uap->zzz, &s32, sizeof(s32)); 2964 if (error) 2965 return (error); 2966 /* translate in */ 2967 p = &s; 2968 } 2969 error = kern_xxx(td, p); 2970 if (error) 2971 return (error); 2972 if (uap->zzz) { 2973 /* translate out */ 2974 error = copyout(&s32, p32, sizeof(s32)); 2975 } 2976 return (error); 2977} 2978#endif 2979 2980int 2981syscall32_register(int *offset, struct sysent *new_sysent, 2982 struct sysent *old_sysent) 2983{ 2984 if (*offset == NO_SYSCALL) { 2985 int i; 2986 2987 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2988 if (freebsd32_sysent[i].sy_call == 2989 (sy_call_t *)lkmnosys) 2990 break; 2991 if (i == SYS_MAXSYSCALL) 2992 return (ENFILE); 2993 *offset = i; 2994 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2995 return (EINVAL); 2996 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2997 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2998 return (EEXIST); 2999 3000 *old_sysent = freebsd32_sysent[*offset]; 3001 freebsd32_sysent[*offset] = *new_sysent; 3002 return 0; 3003} 3004 3005int 3006syscall32_deregister(int *offset, struct sysent *old_sysent) 3007{ 3008 3009 if (*offset) 3010 freebsd32_sysent[*offset] = *old_sysent; 3011 return 0; 3012} 3013 3014int 3015syscall32_module_handler(struct module *mod, int what, void *arg) 3016{ 3017 struct syscall_module_data *data = (struct syscall_module_data*)arg; 3018 modspecific_t ms; 3019 int error; 3020 3021 switch (what) { 3022 case MOD_LOAD: 3023 error = syscall32_register(data->offset, data->new_sysent, 3024 &data->old_sysent); 3025 if (error) { 3026 /* Leave a mark so we know to safely unload below. */ 3027 data->offset = NULL; 3028 return error; 3029 } 3030 ms.intval = *data->offset; 3031 MOD_XLOCK; 3032 module_setspecific(mod, &ms); 3033 MOD_XUNLOCK; 3034 if (data->chainevh) 3035 error = data->chainevh(mod, what, data->chainarg); 3036 return (error); 3037 case MOD_UNLOAD: 3038 /* 3039 * MOD_LOAD failed, so just return without calling the 3040 * chained handler since we didn't pass along the MOD_LOAD 3041 * event. 3042 */ 3043 if (data->offset == NULL) 3044 return (0); 3045 if (data->chainevh) { 3046 error = data->chainevh(mod, what, data->chainarg); 3047 if (error) 3048 return (error); 3049 } 3050 error = syscall32_deregister(data->offset, &data->old_sysent); 3051 return (error); 3052 default: 3053 error = EOPNOTSUPP; 3054 if (data->chainevh) 3055 error = data->chainevh(mod, what, data->chainarg); 3056 return (error); 3057 } 3058} 3059