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 #include "opt_inet.h" 32 #include "opt_inet6.h" 33 34 #define __ELF_WORD_SIZE 32 35 36 #include <sys/param.h> 37 #include <sys/bus.h> 38 #include <sys/clock.h> 39 #include <sys/exec.h> 40 #include <sys/fcntl.h> 41 #include <sys/filedesc.h> 42 #include <sys/imgact.h> 43 #include <sys/jail.h> 44 #include <sys/kernel.h> 45 #include <sys/limits.h> 46 #include <sys/linker.h> 47 #include <sys/lock.h> 48 #include <sys/malloc.h> 49 #include <sys/file.h> /* Must come after sys/malloc.h */ 50 #include <sys/imgact.h> 51 #include <sys/mbuf.h> 52 #include <sys/mman.h> 53 #include <sys/module.h> 54 #include <sys/mount.h> 55 #include <sys/mutex.h> 56 #include <sys/namei.h> 57 #include <sys/proc.h> 58 #include <sys/reboot.h> 59 #include <sys/resource.h> 60 #include <sys/resourcevar.h> 61 #include <sys/selinfo.h> 62 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 63 #include <sys/pipe.h> /* Must come after sys/selinfo.h */ 64 #include <sys/signal.h> 65 #include <sys/signalvar.h> 66 #include <sys/socket.h> 67 #include <sys/socketvar.h> 68 #include <sys/stat.h> 69 #include <sys/syscall.h> 70 #include <sys/syscallsubr.h> 71 #include <sys/sysctl.h> 72 #include <sys/sysent.h> 73 #include <sys/sysproto.h> 74 #include <sys/systm.h> 75 #include <sys/thr.h> 76 #include <sys/unistd.h> 77 #include <sys/ucontext.h> 78 #include <sys/vnode.h> 79 #include <sys/wait.h> 80 #include <sys/ipc.h> 81 #include <sys/msg.h> 82 #include <sys/sem.h> 83 #include <sys/shm.h> 84 85 #ifdef INET 86 #include <netinet/in.h> 87 #endif 88 89 #include <vm/vm.h> 90 #include <vm/vm_param.h> 91 #include <vm/pmap.h> 92 #include <vm/vm_map.h> 93 #include <vm/vm_object.h> 94 #include <vm/vm_extern.h> 95 96 #include <machine/cpu.h> 97 #include <machine/elf.h> 98 99 #include <security/audit/audit.h> 100 101 #include <compat/freebsd32/freebsd32_util.h> 102 #include <compat/freebsd32/freebsd32.h> 103 #include <compat/freebsd32/freebsd32_ipc.h> 104 #include <compat/freebsd32/freebsd32_signal.h> 105 #include <compat/freebsd32/freebsd32_proto.h> 106 107 #ifndef __mips__ 108 CTASSERT(sizeof(struct timeval32) == 8); 109 CTASSERT(sizeof(struct timespec32) == 8); 110 CTASSERT(sizeof(struct itimerval32) == 16); 111 #endif 112 CTASSERT(sizeof(struct statfs32) == 256); 113 #ifndef __mips__ 114 CTASSERT(sizeof(struct rusage32) == 72); 115 #endif 116 CTASSERT(sizeof(struct sigaltstack32) == 12); 117 CTASSERT(sizeof(struct kevent32) == 20); 118 CTASSERT(sizeof(struct iovec32) == 8); 119 CTASSERT(sizeof(struct msghdr32) == 28); 120 #ifndef __mips__ 121 CTASSERT(sizeof(struct stat32) == 96); 122 #endif 123 CTASSERT(sizeof(struct sigaction32) == 24); 124 125 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 126 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 127 128 #if BYTE_ORDER == BIG_ENDIAN 129 #define PAIR32TO64(type, name) ((name ## 2) | ((type)(name ## 1) << 32)) 130 #define RETVAL_HI 0 131 #define RETVAL_LO 1 132 #else 133 #define PAIR32TO64(type, name) ((name ## 1) | ((type)(name ## 2) << 32)) 134 #define RETVAL_HI 1 135 #define RETVAL_LO 0 136 #endif 137 138 void 139 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 140 { 141 142 TV_CP(*s, *s32, ru_utime); 143 TV_CP(*s, *s32, ru_stime); 144 CP(*s, *s32, ru_maxrss); 145 CP(*s, *s32, ru_ixrss); 146 CP(*s, *s32, ru_idrss); 147 CP(*s, *s32, ru_isrss); 148 CP(*s, *s32, ru_minflt); 149 CP(*s, *s32, ru_majflt); 150 CP(*s, *s32, ru_nswap); 151 CP(*s, *s32, ru_inblock); 152 CP(*s, *s32, ru_oublock); 153 CP(*s, *s32, ru_msgsnd); 154 CP(*s, *s32, ru_msgrcv); 155 CP(*s, *s32, ru_nsignals); 156 CP(*s, *s32, ru_nvcsw); 157 CP(*s, *s32, ru_nivcsw); 158 } 159 160 int 161 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 162 { 163 int error, status; 164 struct rusage32 ru32; 165 struct rusage ru, *rup; 166 167 if (uap->rusage != NULL) 168 rup = &ru; 169 else 170 rup = NULL; 171 error = kern_wait(td, uap->pid, &status, uap->options, rup); 172 if (error) 173 return (error); 174 if (uap->status != NULL) 175 error = copyout(&status, uap->status, sizeof(status)); 176 if (uap->rusage != NULL && error == 0) { 177 freebsd32_rusage_out(&ru, &ru32); 178 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 179 } 180 return (error); 181 } 182 183 #ifdef COMPAT_FREEBSD4 184 static void 185 copy_statfs(struct statfs *in, struct statfs32 *out) 186 { 187 188 statfs_scale_blocks(in, INT32_MAX); 189 bzero(out, sizeof(*out)); 190 CP(*in, *out, f_bsize); 191 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 192 CP(*in, *out, f_blocks); 193 CP(*in, *out, f_bfree); 194 CP(*in, *out, f_bavail); 195 out->f_files = MIN(in->f_files, INT32_MAX); 196 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 197 CP(*in, *out, f_fsid); 198 CP(*in, *out, f_owner); 199 CP(*in, *out, f_type); 200 CP(*in, *out, f_flags); 201 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 202 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 203 strlcpy(out->f_fstypename, 204 in->f_fstypename, MFSNAMELEN); 205 strlcpy(out->f_mntonname, 206 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 207 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 208 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 209 strlcpy(out->f_mntfromname, 210 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 211 } 212 #endif 213 214 #ifdef COMPAT_FREEBSD4 215 int 216 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 217 { 218 struct statfs *buf, *sp; 219 struct statfs32 stat32; 220 size_t count, size; 221 int error; 222 223 count = uap->bufsize / sizeof(struct statfs32); 224 size = count * sizeof(struct statfs); 225 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 226 if (size > 0) { 227 count = td->td_retval[0]; 228 sp = buf; 229 while (count > 0 && error == 0) { 230 copy_statfs(sp, &stat32); 231 error = copyout(&stat32, uap->buf, sizeof(stat32)); 232 sp++; 233 uap->buf++; 234 count--; 235 } 236 free(buf, M_TEMP); 237 } 238 return (error); 239 } 240 #endif 241 242 int 243 freebsd32_sigaltstack(struct thread *td, 244 struct freebsd32_sigaltstack_args *uap) 245 { 246 struct sigaltstack32 s32; 247 struct sigaltstack ss, oss, *ssp; 248 int error; 249 250 if (uap->ss != NULL) { 251 error = copyin(uap->ss, &s32, sizeof(s32)); 252 if (error) 253 return (error); 254 PTRIN_CP(s32, ss, ss_sp); 255 CP(s32, ss, ss_size); 256 CP(s32, ss, ss_flags); 257 ssp = &ss; 258 } else 259 ssp = NULL; 260 error = kern_sigaltstack(td, ssp, &oss); 261 if (error == 0 && uap->oss != NULL) { 262 PTROUT_CP(oss, s32, ss_sp); 263 CP(oss, s32, ss_size); 264 CP(oss, s32, ss_flags); 265 error = copyout(&s32, uap->oss, sizeof(s32)); 266 } 267 return (error); 268 } 269 270 /* 271 * Custom version of exec_copyin_args() so that we can translate 272 * the pointers. 273 */ 274 int 275 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 276 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 277 { 278 char *argp, *envp; 279 u_int32_t *p32, arg; 280 size_t length; 281 int error; 282 283 bzero(args, sizeof(*args)); 284 if (argv == NULL) 285 return (EFAULT); 286 287 /* 288 * Allocate demand-paged memory for the file name, argument, and 289 * environment strings. 290 */ 291 error = exec_alloc_args(args); 292 if (error != 0) 293 return (error); 294 295 /* 296 * Copy the file name. 297 */ 298 if (fname != NULL) { 299 args->fname = args->buf; 300 error = (segflg == UIO_SYSSPACE) ? 301 copystr(fname, args->fname, PATH_MAX, &length) : 302 copyinstr(fname, args->fname, PATH_MAX, &length); 303 if (error != 0) 304 goto err_exit; 305 } else 306 length = 0; 307 308 args->begin_argv = args->buf + length; 309 args->endp = args->begin_argv; 310 args->stringspace = ARG_MAX; 311 312 /* 313 * extract arguments first 314 */ 315 p32 = argv; 316 for (;;) { 317 error = copyin(p32++, &arg, sizeof(arg)); 318 if (error) 319 goto err_exit; 320 if (arg == 0) 321 break; 322 argp = PTRIN(arg); 323 error = copyinstr(argp, args->endp, args->stringspace, &length); 324 if (error) { 325 if (error == ENAMETOOLONG) 326 error = E2BIG; 327 goto err_exit; 328 } 329 args->stringspace -= length; 330 args->endp += length; 331 args->argc++; 332 } 333 334 args->begin_envv = args->endp; 335 336 /* 337 * extract environment strings 338 */ 339 if (envv) { 340 p32 = envv; 341 for (;;) { 342 error = copyin(p32++, &arg, sizeof(arg)); 343 if (error) 344 goto err_exit; 345 if (arg == 0) 346 break; 347 envp = PTRIN(arg); 348 error = copyinstr(envp, args->endp, args->stringspace, 349 &length); 350 if (error) { 351 if (error == ENAMETOOLONG) 352 error = E2BIG; 353 goto err_exit; 354 } 355 args->stringspace -= length; 356 args->endp += length; 357 args->envc++; 358 } 359 } 360 361 return (0); 362 363 err_exit: 364 exec_free_args(args); 365 return (error); 366 } 367 368 int 369 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 370 { 371 struct image_args eargs; 372 int error; 373 374 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 375 uap->argv, uap->envv); 376 if (error == 0) 377 error = kern_execve(td, &eargs, NULL); 378 return (error); 379 } 380 381 int 382 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 383 { 384 struct image_args eargs; 385 int error; 386 387 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 388 uap->argv, uap->envv); 389 if (error == 0) { 390 eargs.fd = uap->fd; 391 error = kern_execve(td, &eargs, NULL); 392 } 393 return (error); 394 } 395 396 #ifdef __ia64__ 397 static int 398 freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 399 int prot, int fd, off_t pos) 400 { 401 vm_map_t map; 402 vm_map_entry_t entry; 403 int rv; 404 405 map = &td->td_proc->p_vmspace->vm_map; 406 if (fd != -1) 407 prot |= VM_PROT_WRITE; 408 409 if (vm_map_lookup_entry(map, start, &entry)) { 410 if ((entry->protection & prot) != prot) { 411 rv = vm_map_protect(map, 412 trunc_page(start), 413 round_page(end), 414 entry->protection | prot, 415 FALSE); 416 if (rv != KERN_SUCCESS) 417 return (EINVAL); 418 } 419 } else { 420 vm_offset_t addr = trunc_page(start); 421 rv = vm_map_find(map, 0, 0, 422 &addr, PAGE_SIZE, FALSE, prot, 423 VM_PROT_ALL, 0); 424 if (rv != KERN_SUCCESS) 425 return (EINVAL); 426 } 427 428 if (fd != -1) { 429 struct pread_args r; 430 r.fd = fd; 431 r.buf = (void *) start; 432 r.nbyte = end - start; 433 r.offset = pos; 434 return (sys_pread(td, &r)); 435 } else { 436 while (start < end) { 437 subyte((void *) start, 0); 438 start++; 439 } 440 return (0); 441 } 442 } 443 #endif 444 445 int 446 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 447 { 448 struct mprotect_args ap; 449 450 ap.addr = PTRIN(uap->addr); 451 ap.len = uap->len; 452 ap.prot = uap->prot; 453 #if defined(__amd64__) || defined(__ia64__) 454 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 455 ap.prot |= PROT_EXEC; 456 #endif 457 return (sys_mprotect(td, &ap)); 458 } 459 460 int 461 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 462 { 463 struct mmap_args ap; 464 vm_offset_t addr = (vm_offset_t) uap->addr; 465 vm_size_t len = uap->len; 466 int prot = uap->prot; 467 int flags = uap->flags; 468 int fd = uap->fd; 469 off_t pos = PAIR32TO64(off_t,uap->pos); 470 #ifdef __ia64__ 471 vm_size_t pageoff; 472 int error; 473 474 /* 475 * Attempt to handle page size hassles. 476 */ 477 pageoff = (pos & PAGE_MASK); 478 if (flags & MAP_FIXED) { 479 vm_offset_t start, end; 480 start = addr; 481 end = addr + len; 482 483 if (start != trunc_page(start)) { 484 error = freebsd32_mmap_partial(td, start, 485 round_page(start), prot, 486 fd, pos); 487 if (fd != -1) 488 pos += round_page(start) - start; 489 start = round_page(start); 490 } 491 if (end != round_page(end)) { 492 vm_offset_t t = trunc_page(end); 493 error = freebsd32_mmap_partial(td, t, end, 494 prot, fd, 495 pos + t - start); 496 end = trunc_page(end); 497 } 498 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 499 /* 500 * We can't map this region at all. The specified 501 * address doesn't have the same alignment as the file 502 * position. Fake the mapping by simply reading the 503 * entire region into memory. First we need to make 504 * sure the region exists. 505 */ 506 vm_map_t map; 507 struct pread_args r; 508 int rv; 509 510 prot |= VM_PROT_WRITE; 511 map = &td->td_proc->p_vmspace->vm_map; 512 rv = vm_map_remove(map, start, end); 513 if (rv != KERN_SUCCESS) 514 return (EINVAL); 515 rv = vm_map_find(map, 0, 0, 516 &start, end - start, FALSE, 517 prot, VM_PROT_ALL, 0); 518 if (rv != KERN_SUCCESS) 519 return (EINVAL); 520 r.fd = fd; 521 r.buf = (void *) start; 522 r.nbyte = end - start; 523 r.offset = pos; 524 error = sys_pread(td, &r); 525 if (error) 526 return (error); 527 528 td->td_retval[0] = addr; 529 return (0); 530 } 531 if (end == start) { 532 /* 533 * After dealing with the ragged ends, there 534 * might be none left. 535 */ 536 td->td_retval[0] = addr; 537 return (0); 538 } 539 addr = start; 540 len = end - start; 541 } 542 #endif 543 544 #if defined(__amd64__) || defined(__ia64__) 545 if (i386_read_exec && (prot & PROT_READ)) 546 prot |= PROT_EXEC; 547 #endif 548 549 ap.addr = (void *) addr; 550 ap.len = len; 551 ap.prot = prot; 552 ap.flags = flags; 553 ap.fd = fd; 554 ap.pos = pos; 555 556 return (sys_mmap(td, &ap)); 557 } 558 559 #ifdef COMPAT_FREEBSD6 560 int 561 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 562 { 563 struct freebsd32_mmap_args ap; 564 565 ap.addr = uap->addr; 566 ap.len = uap->len; 567 ap.prot = uap->prot; 568 ap.flags = uap->flags; 569 ap.fd = uap->fd; 570 ap.pos1 = uap->pos1; 571 ap.pos2 = uap->pos2; 572 573 return (freebsd32_mmap(td, &ap)); 574 } 575 #endif 576 577 int 578 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 579 { 580 struct itimerval itv, oitv, *itvp; 581 struct itimerval32 i32; 582 int error; 583 584 if (uap->itv != NULL) { 585 error = copyin(uap->itv, &i32, sizeof(i32)); 586 if (error) 587 return (error); 588 TV_CP(i32, itv, it_interval); 589 TV_CP(i32, itv, it_value); 590 itvp = &itv; 591 } else 592 itvp = NULL; 593 error = kern_setitimer(td, uap->which, itvp, &oitv); 594 if (error || uap->oitv == NULL) 595 return (error); 596 TV_CP(oitv, i32, it_interval); 597 TV_CP(oitv, i32, it_value); 598 return (copyout(&i32, uap->oitv, sizeof(i32))); 599 } 600 601 int 602 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 603 { 604 struct itimerval itv; 605 struct itimerval32 i32; 606 int error; 607 608 error = kern_getitimer(td, uap->which, &itv); 609 if (error || uap->itv == NULL) 610 return (error); 611 TV_CP(itv, i32, it_interval); 612 TV_CP(itv, i32, it_value); 613 return (copyout(&i32, uap->itv, sizeof(i32))); 614 } 615 616 int 617 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 618 { 619 struct timeval32 tv32; 620 struct timeval tv, *tvp; 621 int error; 622 623 if (uap->tv != NULL) { 624 error = copyin(uap->tv, &tv32, sizeof(tv32)); 625 if (error) 626 return (error); 627 CP(tv32, tv, tv_sec); 628 CP(tv32, tv, tv_usec); 629 tvp = &tv; 630 } else 631 tvp = NULL; 632 /* 633 * XXX Do pointers need PTRIN()? 634 */ 635 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 636 sizeof(int32_t) * 8)); 637 } 638 639 int 640 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 641 { 642 struct timespec32 ts32; 643 struct timespec ts; 644 struct timeval tv, *tvp; 645 sigset_t set, *uset; 646 int error; 647 648 if (uap->ts != NULL) { 649 error = copyin(uap->ts, &ts32, sizeof(ts32)); 650 if (error != 0) 651 return (error); 652 CP(ts32, ts, tv_sec); 653 CP(ts32, ts, tv_nsec); 654 TIMESPEC_TO_TIMEVAL(&tv, &ts); 655 tvp = &tv; 656 } else 657 tvp = NULL; 658 if (uap->sm != NULL) { 659 error = copyin(uap->sm, &set, sizeof(set)); 660 if (error != 0) 661 return (error); 662 uset = &set; 663 } else 664 uset = NULL; 665 /* 666 * XXX Do pointers need PTRIN()? 667 */ 668 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 669 uset, sizeof(int32_t) * 8); 670 return (error); 671 } 672 673 /* 674 * Copy 'count' items into the destination list pointed to by uap->eventlist. 675 */ 676 static int 677 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 678 { 679 struct freebsd32_kevent_args *uap; 680 struct kevent32 ks32[KQ_NEVENTS]; 681 int i, error = 0; 682 683 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 684 uap = (struct freebsd32_kevent_args *)arg; 685 686 for (i = 0; i < count; i++) { 687 CP(kevp[i], ks32[i], ident); 688 CP(kevp[i], ks32[i], filter); 689 CP(kevp[i], ks32[i], flags); 690 CP(kevp[i], ks32[i], fflags); 691 CP(kevp[i], ks32[i], data); 692 PTROUT_CP(kevp[i], ks32[i], udata); 693 } 694 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 695 if (error == 0) 696 uap->eventlist += count; 697 return (error); 698 } 699 700 /* 701 * Copy 'count' items from the list pointed to by uap->changelist. 702 */ 703 static int 704 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 705 { 706 struct freebsd32_kevent_args *uap; 707 struct kevent32 ks32[KQ_NEVENTS]; 708 int i, error = 0; 709 710 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 711 uap = (struct freebsd32_kevent_args *)arg; 712 713 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 714 if (error) 715 goto done; 716 uap->changelist += count; 717 718 for (i = 0; i < count; i++) { 719 CP(ks32[i], kevp[i], ident); 720 CP(ks32[i], kevp[i], filter); 721 CP(ks32[i], kevp[i], flags); 722 CP(ks32[i], kevp[i], fflags); 723 CP(ks32[i], kevp[i], data); 724 PTRIN_CP(ks32[i], kevp[i], udata); 725 } 726 done: 727 return (error); 728 } 729 730 int 731 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 732 { 733 struct timespec32 ts32; 734 struct timespec ts, *tsp; 735 struct kevent_copyops k_ops = { uap, 736 freebsd32_kevent_copyout, 737 freebsd32_kevent_copyin}; 738 int error; 739 740 741 if (uap->timeout) { 742 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 743 if (error) 744 return (error); 745 CP(ts32, ts, tv_sec); 746 CP(ts32, ts, tv_nsec); 747 tsp = &ts; 748 } else 749 tsp = NULL; 750 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 751 &k_ops, tsp); 752 return (error); 753 } 754 755 int 756 freebsd32_gettimeofday(struct thread *td, 757 struct freebsd32_gettimeofday_args *uap) 758 { 759 struct timeval atv; 760 struct timeval32 atv32; 761 struct timezone rtz; 762 int error = 0; 763 764 if (uap->tp) { 765 microtime(&atv); 766 CP(atv, atv32, tv_sec); 767 CP(atv, atv32, tv_usec); 768 error = copyout(&atv32, uap->tp, sizeof (atv32)); 769 } 770 if (error == 0 && uap->tzp != NULL) { 771 rtz.tz_minuteswest = tz_minuteswest; 772 rtz.tz_dsttime = tz_dsttime; 773 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 774 } 775 return (error); 776 } 777 778 int 779 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 780 { 781 struct rusage32 s32; 782 struct rusage s; 783 int error; 784 785 error = kern_getrusage(td, uap->who, &s); 786 if (error) 787 return (error); 788 if (uap->rusage != NULL) { 789 freebsd32_rusage_out(&s, &s32); 790 error = copyout(&s32, uap->rusage, sizeof(s32)); 791 } 792 return (error); 793 } 794 795 static int 796 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 797 { 798 struct iovec32 iov32; 799 struct iovec *iov; 800 struct uio *uio; 801 u_int iovlen; 802 int error, i; 803 804 *uiop = NULL; 805 if (iovcnt > UIO_MAXIOV) 806 return (EINVAL); 807 iovlen = iovcnt * sizeof(struct iovec); 808 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 809 iov = (struct iovec *)(uio + 1); 810 for (i = 0; i < iovcnt; i++) { 811 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 812 if (error) { 813 free(uio, M_IOV); 814 return (error); 815 } 816 iov[i].iov_base = PTRIN(iov32.iov_base); 817 iov[i].iov_len = iov32.iov_len; 818 } 819 uio->uio_iov = iov; 820 uio->uio_iovcnt = iovcnt; 821 uio->uio_segflg = UIO_USERSPACE; 822 uio->uio_offset = -1; 823 uio->uio_resid = 0; 824 for (i = 0; i < iovcnt; i++) { 825 if (iov->iov_len > INT_MAX - uio->uio_resid) { 826 free(uio, M_IOV); 827 return (EINVAL); 828 } 829 uio->uio_resid += iov->iov_len; 830 iov++; 831 } 832 *uiop = uio; 833 return (0); 834 } 835 836 int 837 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 838 { 839 struct uio *auio; 840 int error; 841 842 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 843 if (error) 844 return (error); 845 error = kern_readv(td, uap->fd, auio); 846 free(auio, M_IOV); 847 return (error); 848 } 849 850 int 851 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 852 { 853 struct uio *auio; 854 int error; 855 856 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 857 if (error) 858 return (error); 859 error = kern_writev(td, uap->fd, auio); 860 free(auio, M_IOV); 861 return (error); 862 } 863 864 int 865 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 866 { 867 struct uio *auio; 868 int error; 869 870 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 871 if (error) 872 return (error); 873 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 874 free(auio, M_IOV); 875 return (error); 876 } 877 878 int 879 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 880 { 881 struct uio *auio; 882 int error; 883 884 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 885 if (error) 886 return (error); 887 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 888 free(auio, M_IOV); 889 return (error); 890 } 891 892 int 893 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 894 int error) 895 { 896 struct iovec32 iov32; 897 struct iovec *iov; 898 u_int iovlen; 899 int i; 900 901 *iovp = NULL; 902 if (iovcnt > UIO_MAXIOV) 903 return (error); 904 iovlen = iovcnt * sizeof(struct iovec); 905 iov = malloc(iovlen, M_IOV, M_WAITOK); 906 for (i = 0; i < iovcnt; i++) { 907 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 908 if (error) { 909 free(iov, M_IOV); 910 return (error); 911 } 912 iov[i].iov_base = PTRIN(iov32.iov_base); 913 iov[i].iov_len = iov32.iov_len; 914 } 915 *iovp = iov; 916 return (0); 917 } 918 919 static int 920 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 921 { 922 struct msghdr32 m32; 923 int error; 924 925 error = copyin(msg32, &m32, sizeof(m32)); 926 if (error) 927 return (error); 928 msg->msg_name = PTRIN(m32.msg_name); 929 msg->msg_namelen = m32.msg_namelen; 930 msg->msg_iov = PTRIN(m32.msg_iov); 931 msg->msg_iovlen = m32.msg_iovlen; 932 msg->msg_control = PTRIN(m32.msg_control); 933 msg->msg_controllen = m32.msg_controllen; 934 msg->msg_flags = m32.msg_flags; 935 return (0); 936 } 937 938 static int 939 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 940 { 941 struct msghdr32 m32; 942 int error; 943 944 m32.msg_name = PTROUT(msg->msg_name); 945 m32.msg_namelen = msg->msg_namelen; 946 m32.msg_iov = PTROUT(msg->msg_iov); 947 m32.msg_iovlen = msg->msg_iovlen; 948 m32.msg_control = PTROUT(msg->msg_control); 949 m32.msg_controllen = msg->msg_controllen; 950 m32.msg_flags = msg->msg_flags; 951 error = copyout(&m32, msg32, sizeof(m32)); 952 return (error); 953 } 954 955 #ifndef __mips__ 956 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 957 #else 958 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 959 #endif 960 #define FREEBSD32_ALIGN(p) \ 961 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 962 #define FREEBSD32_CMSG_SPACE(l) \ 963 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 964 965 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 966 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 967 static int 968 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 969 { 970 struct cmsghdr *cm; 971 void *data; 972 socklen_t clen, datalen; 973 int error; 974 caddr_t ctlbuf; 975 int len, maxlen, copylen; 976 struct mbuf *m; 977 error = 0; 978 979 len = msg->msg_controllen; 980 maxlen = msg->msg_controllen; 981 msg->msg_controllen = 0; 982 983 m = control; 984 ctlbuf = msg->msg_control; 985 986 while (m && len > 0) { 987 cm = mtod(m, struct cmsghdr *); 988 clen = m->m_len; 989 990 while (cm != NULL) { 991 992 if (sizeof(struct cmsghdr) > clen || 993 cm->cmsg_len > clen) { 994 error = EINVAL; 995 break; 996 } 997 998 data = CMSG_DATA(cm); 999 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1000 1001 /* Adjust message length */ 1002 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1003 datalen; 1004 1005 1006 /* Copy cmsghdr */ 1007 copylen = sizeof(struct cmsghdr); 1008 if (len < copylen) { 1009 msg->msg_flags |= MSG_CTRUNC; 1010 copylen = len; 1011 } 1012 1013 error = copyout(cm,ctlbuf,copylen); 1014 if (error) 1015 goto exit; 1016 1017 ctlbuf += FREEBSD32_ALIGN(copylen); 1018 len -= FREEBSD32_ALIGN(copylen); 1019 1020 if (len <= 0) 1021 break; 1022 1023 /* Copy data */ 1024 copylen = datalen; 1025 if (len < copylen) { 1026 msg->msg_flags |= MSG_CTRUNC; 1027 copylen = len; 1028 } 1029 1030 error = copyout(data,ctlbuf,copylen); 1031 if (error) 1032 goto exit; 1033 1034 ctlbuf += FREEBSD32_ALIGN(copylen); 1035 len -= FREEBSD32_ALIGN(copylen); 1036 1037 if (CMSG_SPACE(datalen) < clen) { 1038 clen -= CMSG_SPACE(datalen); 1039 cm = (struct cmsghdr *) 1040 ((caddr_t)cm + CMSG_SPACE(datalen)); 1041 } else { 1042 clen = 0; 1043 cm = NULL; 1044 } 1045 } 1046 m = m->m_next; 1047 } 1048 1049 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1050 1051 exit: 1052 return (error); 1053 1054 } 1055 1056 int 1057 freebsd32_recvmsg(td, uap) 1058 struct thread *td; 1059 struct freebsd32_recvmsg_args /* { 1060 int s; 1061 struct msghdr32 *msg; 1062 int flags; 1063 } */ *uap; 1064 { 1065 struct msghdr msg; 1066 struct msghdr32 m32; 1067 struct iovec *uiov, *iov; 1068 struct mbuf *control = NULL; 1069 struct mbuf **controlp; 1070 1071 int error; 1072 error = copyin(uap->msg, &m32, sizeof(m32)); 1073 if (error) 1074 return (error); 1075 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1076 if (error) 1077 return (error); 1078 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1079 EMSGSIZE); 1080 if (error) 1081 return (error); 1082 msg.msg_flags = uap->flags; 1083 uiov = msg.msg_iov; 1084 msg.msg_iov = iov; 1085 1086 controlp = (msg.msg_control != NULL) ? &control : NULL; 1087 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1088 if (error == 0) { 1089 msg.msg_iov = uiov; 1090 1091 if (control != NULL) 1092 error = freebsd32_copy_msg_out(&msg, control); 1093 else 1094 msg.msg_controllen = 0; 1095 1096 if (error == 0) 1097 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1098 } 1099 free(iov, M_IOV); 1100 1101 if (control != NULL) 1102 m_freem(control); 1103 1104 return (error); 1105 } 1106 1107 1108 static int 1109 freebsd32_convert_msg_in(struct mbuf **controlp) 1110 { 1111 struct mbuf *control = *controlp; 1112 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1113 void *data; 1114 socklen_t clen = control->m_len, datalen; 1115 int error; 1116 1117 error = 0; 1118 *controlp = NULL; 1119 1120 while (cm != NULL) { 1121 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1122 error = EINVAL; 1123 break; 1124 } 1125 1126 data = FREEBSD32_CMSG_DATA(cm); 1127 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1128 1129 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1130 cm->cmsg_level); 1131 controlp = &(*controlp)->m_next; 1132 1133 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1134 clen -= FREEBSD32_CMSG_SPACE(datalen); 1135 cm = (struct cmsghdr *) 1136 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1137 } else { 1138 clen = 0; 1139 cm = NULL; 1140 } 1141 } 1142 1143 m_freem(control); 1144 return (error); 1145 } 1146 1147 1148 int 1149 freebsd32_sendmsg(struct thread *td, 1150 struct freebsd32_sendmsg_args *uap) 1151 { 1152 struct msghdr msg; 1153 struct msghdr32 m32; 1154 struct iovec *iov; 1155 struct mbuf *control = NULL; 1156 struct sockaddr *to = NULL; 1157 int error; 1158 1159 error = copyin(uap->msg, &m32, sizeof(m32)); 1160 if (error) 1161 return (error); 1162 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1163 if (error) 1164 return (error); 1165 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1166 EMSGSIZE); 1167 if (error) 1168 return (error); 1169 msg.msg_iov = iov; 1170 if (msg.msg_name != NULL) { 1171 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1172 if (error) { 1173 to = NULL; 1174 goto out; 1175 } 1176 msg.msg_name = to; 1177 } 1178 1179 if (msg.msg_control) { 1180 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1181 error = EINVAL; 1182 goto out; 1183 } 1184 1185 error = sockargs(&control, msg.msg_control, 1186 msg.msg_controllen, MT_CONTROL); 1187 if (error) 1188 goto out; 1189 1190 error = freebsd32_convert_msg_in(&control); 1191 if (error) 1192 goto out; 1193 } 1194 1195 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1196 UIO_USERSPACE); 1197 1198 out: 1199 free(iov, M_IOV); 1200 if (to) 1201 free(to, M_SONAME); 1202 return (error); 1203 } 1204 1205 int 1206 freebsd32_recvfrom(struct thread *td, 1207 struct freebsd32_recvfrom_args *uap) 1208 { 1209 struct msghdr msg; 1210 struct iovec aiov; 1211 int error; 1212 1213 if (uap->fromlenaddr) { 1214 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1215 sizeof(msg.msg_namelen)); 1216 if (error) 1217 return (error); 1218 } else { 1219 msg.msg_namelen = 0; 1220 } 1221 1222 msg.msg_name = PTRIN(uap->from); 1223 msg.msg_iov = &aiov; 1224 msg.msg_iovlen = 1; 1225 aiov.iov_base = PTRIN(uap->buf); 1226 aiov.iov_len = uap->len; 1227 msg.msg_control = NULL; 1228 msg.msg_flags = uap->flags; 1229 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1230 if (error == 0 && uap->fromlenaddr) 1231 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1232 sizeof (msg.msg_namelen)); 1233 return (error); 1234 } 1235 1236 int 1237 freebsd32_settimeofday(struct thread *td, 1238 struct freebsd32_settimeofday_args *uap) 1239 { 1240 struct timeval32 tv32; 1241 struct timeval tv, *tvp; 1242 struct timezone tz, *tzp; 1243 int error; 1244 1245 if (uap->tv) { 1246 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1247 if (error) 1248 return (error); 1249 CP(tv32, tv, tv_sec); 1250 CP(tv32, tv, tv_usec); 1251 tvp = &tv; 1252 } else 1253 tvp = NULL; 1254 if (uap->tzp) { 1255 error = copyin(uap->tzp, &tz, sizeof(tz)); 1256 if (error) 1257 return (error); 1258 tzp = &tz; 1259 } else 1260 tzp = NULL; 1261 return (kern_settimeofday(td, tvp, tzp)); 1262 } 1263 1264 int 1265 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1266 { 1267 struct timeval32 s32[2]; 1268 struct timeval s[2], *sp; 1269 int error; 1270 1271 if (uap->tptr != NULL) { 1272 error = copyin(uap->tptr, s32, sizeof(s32)); 1273 if (error) 1274 return (error); 1275 CP(s32[0], s[0], tv_sec); 1276 CP(s32[0], s[0], tv_usec); 1277 CP(s32[1], s[1], tv_sec); 1278 CP(s32[1], s[1], tv_usec); 1279 sp = s; 1280 } else 1281 sp = NULL; 1282 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1283 } 1284 1285 int 1286 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1287 { 1288 struct timeval32 s32[2]; 1289 struct timeval s[2], *sp; 1290 int error; 1291 1292 if (uap->tptr != NULL) { 1293 error = copyin(uap->tptr, s32, sizeof(s32)); 1294 if (error) 1295 return (error); 1296 CP(s32[0], s[0], tv_sec); 1297 CP(s32[0], s[0], tv_usec); 1298 CP(s32[1], s[1], tv_sec); 1299 CP(s32[1], s[1], tv_usec); 1300 sp = s; 1301 } else 1302 sp = NULL; 1303 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1304 } 1305 1306 int 1307 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1308 { 1309 struct timeval32 s32[2]; 1310 struct timeval s[2], *sp; 1311 int error; 1312 1313 if (uap->tptr != NULL) { 1314 error = copyin(uap->tptr, s32, sizeof(s32)); 1315 if (error) 1316 return (error); 1317 CP(s32[0], s[0], tv_sec); 1318 CP(s32[0], s[0], tv_usec); 1319 CP(s32[1], s[1], tv_sec); 1320 CP(s32[1], s[1], tv_usec); 1321 sp = s; 1322 } else 1323 sp = NULL; 1324 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1325 } 1326 1327 int 1328 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1329 { 1330 struct timeval32 s32[2]; 1331 struct timeval s[2], *sp; 1332 int error; 1333 1334 if (uap->times != NULL) { 1335 error = copyin(uap->times, s32, sizeof(s32)); 1336 if (error) 1337 return (error); 1338 CP(s32[0], s[0], tv_sec); 1339 CP(s32[0], s[0], tv_usec); 1340 CP(s32[1], s[1], tv_sec); 1341 CP(s32[1], s[1], tv_usec); 1342 sp = s; 1343 } else 1344 sp = NULL; 1345 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1346 sp, UIO_SYSSPACE)); 1347 } 1348 1349 int 1350 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1351 { 1352 struct timeval32 tv32; 1353 struct timeval delta, olddelta, *deltap; 1354 int error; 1355 1356 if (uap->delta) { 1357 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1358 if (error) 1359 return (error); 1360 CP(tv32, delta, tv_sec); 1361 CP(tv32, delta, tv_usec); 1362 deltap = δ 1363 } else 1364 deltap = NULL; 1365 error = kern_adjtime(td, deltap, &olddelta); 1366 if (uap->olddelta && error == 0) { 1367 CP(olddelta, tv32, tv_sec); 1368 CP(olddelta, tv32, tv_usec); 1369 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1370 } 1371 return (error); 1372 } 1373 1374 #ifdef COMPAT_FREEBSD4 1375 int 1376 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1377 { 1378 struct statfs32 s32; 1379 struct statfs s; 1380 int error; 1381 1382 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1383 if (error) 1384 return (error); 1385 copy_statfs(&s, &s32); 1386 return (copyout(&s32, uap->buf, sizeof(s32))); 1387 } 1388 #endif 1389 1390 #ifdef COMPAT_FREEBSD4 1391 int 1392 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1393 { 1394 struct statfs32 s32; 1395 struct statfs s; 1396 int error; 1397 1398 error = kern_fstatfs(td, uap->fd, &s); 1399 if (error) 1400 return (error); 1401 copy_statfs(&s, &s32); 1402 return (copyout(&s32, uap->buf, sizeof(s32))); 1403 } 1404 #endif 1405 1406 #ifdef COMPAT_FREEBSD4 1407 int 1408 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1409 { 1410 struct statfs32 s32; 1411 struct statfs s; 1412 fhandle_t fh; 1413 int error; 1414 1415 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1416 return (error); 1417 error = kern_fhstatfs(td, fh, &s); 1418 if (error) 1419 return (error); 1420 copy_statfs(&s, &s32); 1421 return (copyout(&s32, uap->buf, sizeof(s32))); 1422 } 1423 #endif 1424 1425 int 1426 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1427 { 1428 struct pread_args ap; 1429 1430 ap.fd = uap->fd; 1431 ap.buf = uap->buf; 1432 ap.nbyte = uap->nbyte; 1433 ap.offset = PAIR32TO64(off_t,uap->offset); 1434 return (sys_pread(td, &ap)); 1435 } 1436 1437 int 1438 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1439 { 1440 struct pwrite_args ap; 1441 1442 ap.fd = uap->fd; 1443 ap.buf = uap->buf; 1444 ap.nbyte = uap->nbyte; 1445 ap.offset = PAIR32TO64(off_t,uap->offset); 1446 return (sys_pwrite(td, &ap)); 1447 } 1448 1449 #ifdef COMPAT_43 1450 int 1451 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1452 { 1453 struct lseek_args nuap; 1454 1455 nuap.fd = uap->fd; 1456 nuap.offset = uap->offset; 1457 nuap.whence = uap->whence; 1458 return (sys_lseek(td, &nuap)); 1459 } 1460 #endif 1461 1462 int 1463 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1464 { 1465 int error; 1466 struct lseek_args ap; 1467 off_t pos; 1468 1469 ap.fd = uap->fd; 1470 ap.offset = PAIR32TO64(off_t,uap->offset); 1471 ap.whence = uap->whence; 1472 error = sys_lseek(td, &ap); 1473 /* Expand the quad return into two parts for eax and edx */ 1474 pos = *(off_t *)(td->td_retval); 1475 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1476 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1477 return error; 1478 } 1479 1480 int 1481 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1482 { 1483 struct truncate_args ap; 1484 1485 ap.path = uap->path; 1486 ap.length = PAIR32TO64(off_t,uap->length); 1487 return (sys_truncate(td, &ap)); 1488 } 1489 1490 int 1491 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1492 { 1493 struct ftruncate_args ap; 1494 1495 ap.fd = uap->fd; 1496 ap.length = PAIR32TO64(off_t,uap->length); 1497 return (sys_ftruncate(td, &ap)); 1498 } 1499 1500 #ifdef COMPAT_43 1501 int 1502 ofreebsd32_getdirentries(struct thread *td, 1503 struct ofreebsd32_getdirentries_args *uap) 1504 { 1505 struct ogetdirentries_args ap; 1506 int error; 1507 long loff; 1508 int32_t loff_cut; 1509 1510 ap.fd = uap->fd; 1511 ap.buf = uap->buf; 1512 ap.count = uap->count; 1513 ap.basep = NULL; 1514 error = kern_ogetdirentries(td, &ap, &loff); 1515 if (error == 0) { 1516 loff_cut = loff; 1517 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1518 } 1519 return (error); 1520 } 1521 #endif 1522 1523 int 1524 freebsd32_getdirentries(struct thread *td, 1525 struct freebsd32_getdirentries_args *uap) 1526 { 1527 long base; 1528 int32_t base32; 1529 int error; 1530 1531 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1532 NULL, UIO_USERSPACE); 1533 if (error) 1534 return (error); 1535 if (uap->basep != NULL) { 1536 base32 = base; 1537 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1538 } 1539 return (error); 1540 } 1541 1542 #ifdef COMPAT_FREEBSD6 1543 /* versions with the 'int pad' argument */ 1544 int 1545 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1546 { 1547 struct pread_args ap; 1548 1549 ap.fd = uap->fd; 1550 ap.buf = uap->buf; 1551 ap.nbyte = uap->nbyte; 1552 ap.offset = PAIR32TO64(off_t,uap->offset); 1553 return (sys_pread(td, &ap)); 1554 } 1555 1556 int 1557 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1558 { 1559 struct pwrite_args ap; 1560 1561 ap.fd = uap->fd; 1562 ap.buf = uap->buf; 1563 ap.nbyte = uap->nbyte; 1564 ap.offset = PAIR32TO64(off_t,uap->offset); 1565 return (sys_pwrite(td, &ap)); 1566 } 1567 1568 int 1569 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1570 { 1571 int error; 1572 struct lseek_args ap; 1573 off_t pos; 1574 1575 ap.fd = uap->fd; 1576 ap.offset = PAIR32TO64(off_t,uap->offset); 1577 ap.whence = uap->whence; 1578 error = sys_lseek(td, &ap); 1579 /* Expand the quad return into two parts for eax and edx */ 1580 pos = *(off_t *)(td->td_retval); 1581 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1582 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1583 return error; 1584 } 1585 1586 int 1587 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1588 { 1589 struct truncate_args ap; 1590 1591 ap.path = uap->path; 1592 ap.length = PAIR32TO64(off_t,uap->length); 1593 return (sys_truncate(td, &ap)); 1594 } 1595 1596 int 1597 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1598 { 1599 struct ftruncate_args ap; 1600 1601 ap.fd = uap->fd; 1602 ap.length = PAIR32TO64(off_t,uap->length); 1603 return (sys_ftruncate(td, &ap)); 1604 } 1605 #endif /* COMPAT_FREEBSD6 */ 1606 1607 struct sf_hdtr32 { 1608 uint32_t headers; 1609 int hdr_cnt; 1610 uint32_t trailers; 1611 int trl_cnt; 1612 }; 1613 1614 static int 1615 freebsd32_do_sendfile(struct thread *td, 1616 struct freebsd32_sendfile_args *uap, int compat) 1617 { 1618 struct sendfile_args ap; 1619 struct sf_hdtr32 hdtr32; 1620 struct sf_hdtr hdtr; 1621 struct uio *hdr_uio, *trl_uio; 1622 struct iovec32 *iov32; 1623 int error; 1624 1625 hdr_uio = trl_uio = NULL; 1626 1627 ap.fd = uap->fd; 1628 ap.s = uap->s; 1629 ap.offset = PAIR32TO64(off_t,uap->offset); 1630 ap.nbytes = uap->nbytes; 1631 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1632 ap.sbytes = uap->sbytes; 1633 ap.flags = uap->flags; 1634 1635 if (uap->hdtr != NULL) { 1636 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1637 if (error) 1638 goto out; 1639 PTRIN_CP(hdtr32, hdtr, headers); 1640 CP(hdtr32, hdtr, hdr_cnt); 1641 PTRIN_CP(hdtr32, hdtr, trailers); 1642 CP(hdtr32, hdtr, trl_cnt); 1643 1644 if (hdtr.headers != NULL) { 1645 iov32 = PTRIN(hdtr32.headers); 1646 error = freebsd32_copyinuio(iov32, 1647 hdtr32.hdr_cnt, &hdr_uio); 1648 if (error) 1649 goto out; 1650 } 1651 if (hdtr.trailers != NULL) { 1652 iov32 = PTRIN(hdtr32.trailers); 1653 error = freebsd32_copyinuio(iov32, 1654 hdtr32.trl_cnt, &trl_uio); 1655 if (error) 1656 goto out; 1657 } 1658 } 1659 1660 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1661 out: 1662 if (hdr_uio) 1663 free(hdr_uio, M_IOV); 1664 if (trl_uio) 1665 free(trl_uio, M_IOV); 1666 return (error); 1667 } 1668 1669 #ifdef COMPAT_FREEBSD4 1670 int 1671 freebsd4_freebsd32_sendfile(struct thread *td, 1672 struct freebsd4_freebsd32_sendfile_args *uap) 1673 { 1674 return (freebsd32_do_sendfile(td, 1675 (struct freebsd32_sendfile_args *)uap, 1)); 1676 } 1677 #endif 1678 1679 int 1680 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1681 { 1682 1683 return (freebsd32_do_sendfile(td, uap, 0)); 1684 } 1685 1686 static void 1687 copy_stat(struct stat *in, struct stat32 *out) 1688 { 1689 1690 CP(*in, *out, st_dev); 1691 CP(*in, *out, st_ino); 1692 CP(*in, *out, st_mode); 1693 CP(*in, *out, st_nlink); 1694 CP(*in, *out, st_uid); 1695 CP(*in, *out, st_gid); 1696 CP(*in, *out, st_rdev); 1697 TS_CP(*in, *out, st_atim); 1698 TS_CP(*in, *out, st_mtim); 1699 TS_CP(*in, *out, st_ctim); 1700 CP(*in, *out, st_size); 1701 CP(*in, *out, st_blocks); 1702 CP(*in, *out, st_blksize); 1703 CP(*in, *out, st_flags); 1704 CP(*in, *out, st_gen); 1705 TS_CP(*in, *out, st_birthtim); 1706 } 1707 1708 #ifdef COMPAT_43 1709 static void 1710 copy_ostat(struct stat *in, struct ostat32 *out) 1711 { 1712 1713 CP(*in, *out, st_dev); 1714 CP(*in, *out, st_ino); 1715 CP(*in, *out, st_mode); 1716 CP(*in, *out, st_nlink); 1717 CP(*in, *out, st_uid); 1718 CP(*in, *out, st_gid); 1719 CP(*in, *out, st_rdev); 1720 CP(*in, *out, st_size); 1721 TS_CP(*in, *out, st_atim); 1722 TS_CP(*in, *out, st_mtim); 1723 TS_CP(*in, *out, st_ctim); 1724 CP(*in, *out, st_blksize); 1725 CP(*in, *out, st_blocks); 1726 CP(*in, *out, st_flags); 1727 CP(*in, *out, st_gen); 1728 } 1729 #endif 1730 1731 int 1732 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1733 { 1734 struct stat sb; 1735 struct stat32 sb32; 1736 int error; 1737 1738 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1739 if (error) 1740 return (error); 1741 copy_stat(&sb, &sb32); 1742 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1743 return (error); 1744 } 1745 1746 #ifdef COMPAT_43 1747 int 1748 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1749 { 1750 struct stat sb; 1751 struct ostat32 sb32; 1752 int error; 1753 1754 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1755 if (error) 1756 return (error); 1757 copy_ostat(&sb, &sb32); 1758 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1759 return (error); 1760 } 1761 #endif 1762 1763 int 1764 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1765 { 1766 struct stat ub; 1767 struct stat32 ub32; 1768 int error; 1769 1770 error = kern_fstat(td, uap->fd, &ub); 1771 if (error) 1772 return (error); 1773 copy_stat(&ub, &ub32); 1774 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1775 return (error); 1776 } 1777 1778 #ifdef COMPAT_43 1779 int 1780 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1781 { 1782 struct stat ub; 1783 struct ostat32 ub32; 1784 int error; 1785 1786 error = kern_fstat(td, uap->fd, &ub); 1787 if (error) 1788 return (error); 1789 copy_ostat(&ub, &ub32); 1790 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1791 return (error); 1792 } 1793 #endif 1794 1795 int 1796 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1797 { 1798 struct stat ub; 1799 struct stat32 ub32; 1800 int error; 1801 1802 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1803 if (error) 1804 return (error); 1805 copy_stat(&ub, &ub32); 1806 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1807 return (error); 1808 } 1809 1810 int 1811 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1812 { 1813 struct stat sb; 1814 struct stat32 sb32; 1815 int error; 1816 1817 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1818 if (error) 1819 return (error); 1820 copy_stat(&sb, &sb32); 1821 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1822 return (error); 1823 } 1824 1825 #ifdef COMPAT_43 1826 int 1827 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1828 { 1829 struct stat sb; 1830 struct ostat32 sb32; 1831 int error; 1832 1833 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1834 if (error) 1835 return (error); 1836 copy_ostat(&sb, &sb32); 1837 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1838 return (error); 1839 } 1840 #endif 1841 1842 int 1843 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1844 { 1845 int error, name[CTL_MAXNAME]; 1846 size_t j, oldlen; 1847 1848 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1849 return (EINVAL); 1850 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1851 if (error) 1852 return (error); 1853 if (uap->oldlenp) 1854 oldlen = fuword32(uap->oldlenp); 1855 else 1856 oldlen = 0; 1857 error = userland_sysctl(td, name, uap->namelen, 1858 uap->old, &oldlen, 1, 1859 uap->new, uap->newlen, &j, SCTL_MASK32); 1860 if (error && error != ENOMEM) 1861 return (error); 1862 if (uap->oldlenp) 1863 suword32(uap->oldlenp, j); 1864 return (0); 1865 } 1866 1867 int 1868 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1869 { 1870 uint32_t version; 1871 int error; 1872 struct jail j; 1873 1874 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1875 if (error) 1876 return (error); 1877 1878 switch (version) { 1879 case 0: 1880 { 1881 /* FreeBSD single IPv4 jails. */ 1882 struct jail32_v0 j32_v0; 1883 1884 bzero(&j, sizeof(struct jail)); 1885 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1886 if (error) 1887 return (error); 1888 CP(j32_v0, j, version); 1889 PTRIN_CP(j32_v0, j, path); 1890 PTRIN_CP(j32_v0, j, hostname); 1891 j.ip4s = j32_v0.ip_number; 1892 break; 1893 } 1894 1895 case 1: 1896 /* 1897 * Version 1 was used by multi-IPv4 jail implementations 1898 * that never made it into the official kernel. 1899 */ 1900 return (EINVAL); 1901 1902 case 2: /* JAIL_API_VERSION */ 1903 { 1904 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1905 struct jail32 j32; 1906 1907 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1908 if (error) 1909 return (error); 1910 CP(j32, j, version); 1911 PTRIN_CP(j32, j, path); 1912 PTRIN_CP(j32, j, hostname); 1913 PTRIN_CP(j32, j, jailname); 1914 CP(j32, j, ip4s); 1915 CP(j32, j, ip6s); 1916 PTRIN_CP(j32, j, ip4); 1917 PTRIN_CP(j32, j, ip6); 1918 break; 1919 } 1920 1921 default: 1922 /* Sci-Fi jails are not supported, sorry. */ 1923 return (EINVAL); 1924 } 1925 return (kern_jail(td, &j)); 1926 } 1927 1928 int 1929 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1930 { 1931 struct uio *auio; 1932 int error; 1933 1934 /* Check that we have an even number of iovecs. */ 1935 if (uap->iovcnt & 1) 1936 return (EINVAL); 1937 1938 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1939 if (error) 1940 return (error); 1941 error = kern_jail_set(td, auio, uap->flags); 1942 free(auio, M_IOV); 1943 return (error); 1944 } 1945 1946 int 1947 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1948 { 1949 struct iovec32 iov32; 1950 struct uio *auio; 1951 int error, i; 1952 1953 /* Check that we have an even number of iovecs. */ 1954 if (uap->iovcnt & 1) 1955 return (EINVAL); 1956 1957 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1958 if (error) 1959 return (error); 1960 error = kern_jail_get(td, auio, uap->flags); 1961 if (error == 0) 1962 for (i = 0; i < uap->iovcnt; i++) { 1963 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1964 CP(auio->uio_iov[i], iov32, iov_len); 1965 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 1966 if (error != 0) 1967 break; 1968 } 1969 free(auio, M_IOV); 1970 return (error); 1971 } 1972 1973 int 1974 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1975 { 1976 struct sigaction32 s32; 1977 struct sigaction sa, osa, *sap; 1978 int error; 1979 1980 if (uap->act) { 1981 error = copyin(uap->act, &s32, sizeof(s32)); 1982 if (error) 1983 return (error); 1984 sa.sa_handler = PTRIN(s32.sa_u); 1985 CP(s32, sa, sa_flags); 1986 CP(s32, sa, sa_mask); 1987 sap = &sa; 1988 } else 1989 sap = NULL; 1990 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 1991 if (error == 0 && uap->oact != NULL) { 1992 s32.sa_u = PTROUT(osa.sa_handler); 1993 CP(osa, s32, sa_flags); 1994 CP(osa, s32, sa_mask); 1995 error = copyout(&s32, uap->oact, sizeof(s32)); 1996 } 1997 return (error); 1998 } 1999 2000 #ifdef COMPAT_FREEBSD4 2001 int 2002 freebsd4_freebsd32_sigaction(struct thread *td, 2003 struct freebsd4_freebsd32_sigaction_args *uap) 2004 { 2005 struct sigaction32 s32; 2006 struct sigaction sa, osa, *sap; 2007 int error; 2008 2009 if (uap->act) { 2010 error = copyin(uap->act, &s32, sizeof(s32)); 2011 if (error) 2012 return (error); 2013 sa.sa_handler = PTRIN(s32.sa_u); 2014 CP(s32, sa, sa_flags); 2015 CP(s32, sa, sa_mask); 2016 sap = &sa; 2017 } else 2018 sap = NULL; 2019 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2020 if (error == 0 && uap->oact != NULL) { 2021 s32.sa_u = PTROUT(osa.sa_handler); 2022 CP(osa, s32, sa_flags); 2023 CP(osa, s32, sa_mask); 2024 error = copyout(&s32, uap->oact, sizeof(s32)); 2025 } 2026 return (error); 2027 } 2028 #endif 2029 2030 #ifdef COMPAT_43 2031 struct osigaction32 { 2032 u_int32_t sa_u; 2033 osigset_t sa_mask; 2034 int sa_flags; 2035 }; 2036 2037 #define ONSIG 32 2038 2039 int 2040 ofreebsd32_sigaction(struct thread *td, 2041 struct ofreebsd32_sigaction_args *uap) 2042 { 2043 struct osigaction32 s32; 2044 struct sigaction sa, osa, *sap; 2045 int error; 2046 2047 if (uap->signum <= 0 || uap->signum >= ONSIG) 2048 return (EINVAL); 2049 2050 if (uap->nsa) { 2051 error = copyin(uap->nsa, &s32, sizeof(s32)); 2052 if (error) 2053 return (error); 2054 sa.sa_handler = PTRIN(s32.sa_u); 2055 CP(s32, sa, sa_flags); 2056 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2057 sap = &sa; 2058 } else 2059 sap = NULL; 2060 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2061 if (error == 0 && uap->osa != NULL) { 2062 s32.sa_u = PTROUT(osa.sa_handler); 2063 CP(osa, s32, sa_flags); 2064 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2065 error = copyout(&s32, uap->osa, sizeof(s32)); 2066 } 2067 return (error); 2068 } 2069 2070 int 2071 ofreebsd32_sigprocmask(struct thread *td, 2072 struct ofreebsd32_sigprocmask_args *uap) 2073 { 2074 sigset_t set, oset; 2075 int error; 2076 2077 OSIG2SIG(uap->mask, set); 2078 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2079 SIG2OSIG(oset, td->td_retval[0]); 2080 return (error); 2081 } 2082 2083 int 2084 ofreebsd32_sigpending(struct thread *td, 2085 struct ofreebsd32_sigpending_args *uap) 2086 { 2087 struct proc *p = td->td_proc; 2088 sigset_t siglist; 2089 2090 PROC_LOCK(p); 2091 siglist = p->p_siglist; 2092 SIGSETOR(siglist, td->td_siglist); 2093 PROC_UNLOCK(p); 2094 SIG2OSIG(siglist, td->td_retval[0]); 2095 return (0); 2096 } 2097 2098 struct sigvec32 { 2099 u_int32_t sv_handler; 2100 int sv_mask; 2101 int sv_flags; 2102 }; 2103 2104 int 2105 ofreebsd32_sigvec(struct thread *td, 2106 struct ofreebsd32_sigvec_args *uap) 2107 { 2108 struct sigvec32 vec; 2109 struct sigaction sa, osa, *sap; 2110 int error; 2111 2112 if (uap->signum <= 0 || uap->signum >= ONSIG) 2113 return (EINVAL); 2114 2115 if (uap->nsv) { 2116 error = copyin(uap->nsv, &vec, sizeof(vec)); 2117 if (error) 2118 return (error); 2119 sa.sa_handler = PTRIN(vec.sv_handler); 2120 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2121 sa.sa_flags = vec.sv_flags; 2122 sa.sa_flags ^= SA_RESTART; 2123 sap = &sa; 2124 } else 2125 sap = NULL; 2126 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2127 if (error == 0 && uap->osv != NULL) { 2128 vec.sv_handler = PTROUT(osa.sa_handler); 2129 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2130 vec.sv_flags = osa.sa_flags; 2131 vec.sv_flags &= ~SA_NOCLDWAIT; 2132 vec.sv_flags ^= SA_RESTART; 2133 error = copyout(&vec, uap->osv, sizeof(vec)); 2134 } 2135 return (error); 2136 } 2137 2138 int 2139 ofreebsd32_sigblock(struct thread *td, 2140 struct ofreebsd32_sigblock_args *uap) 2141 { 2142 sigset_t set, oset; 2143 2144 OSIG2SIG(uap->mask, set); 2145 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2146 SIG2OSIG(oset, td->td_retval[0]); 2147 return (0); 2148 } 2149 2150 int 2151 ofreebsd32_sigsetmask(struct thread *td, 2152 struct ofreebsd32_sigsetmask_args *uap) 2153 { 2154 sigset_t set, oset; 2155 2156 OSIG2SIG(uap->mask, set); 2157 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2158 SIG2OSIG(oset, td->td_retval[0]); 2159 return (0); 2160 } 2161 2162 int 2163 ofreebsd32_sigsuspend(struct thread *td, 2164 struct ofreebsd32_sigsuspend_args *uap) 2165 { 2166 sigset_t mask; 2167 2168 OSIG2SIG(uap->mask, mask); 2169 return (kern_sigsuspend(td, mask)); 2170 } 2171 2172 struct sigstack32 { 2173 u_int32_t ss_sp; 2174 int ss_onstack; 2175 }; 2176 2177 int 2178 ofreebsd32_sigstack(struct thread *td, 2179 struct ofreebsd32_sigstack_args *uap) 2180 { 2181 struct sigstack32 s32; 2182 struct sigstack nss, oss; 2183 int error = 0, unss; 2184 2185 if (uap->nss != NULL) { 2186 error = copyin(uap->nss, &s32, sizeof(s32)); 2187 if (error) 2188 return (error); 2189 nss.ss_sp = PTRIN(s32.ss_sp); 2190 CP(s32, nss, ss_onstack); 2191 unss = 1; 2192 } else { 2193 unss = 0; 2194 } 2195 oss.ss_sp = td->td_sigstk.ss_sp; 2196 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2197 if (unss) { 2198 td->td_sigstk.ss_sp = nss.ss_sp; 2199 td->td_sigstk.ss_size = 0; 2200 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2201 td->td_pflags |= TDP_ALTSTACK; 2202 } 2203 if (uap->oss != NULL) { 2204 s32.ss_sp = PTROUT(oss.ss_sp); 2205 CP(oss, s32, ss_onstack); 2206 error = copyout(&s32, uap->oss, sizeof(s32)); 2207 } 2208 return (error); 2209 } 2210 #endif 2211 2212 int 2213 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2214 { 2215 struct timespec32 rmt32, rqt32; 2216 struct timespec rmt, rqt; 2217 int error; 2218 2219 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2220 if (error) 2221 return (error); 2222 2223 CP(rqt32, rqt, tv_sec); 2224 CP(rqt32, rqt, tv_nsec); 2225 2226 if (uap->rmtp && 2227 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2228 return (EFAULT); 2229 error = kern_nanosleep(td, &rqt, &rmt); 2230 if (error && uap->rmtp) { 2231 int error2; 2232 2233 CP(rmt, rmt32, tv_sec); 2234 CP(rmt, rmt32, tv_nsec); 2235 2236 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2237 if (error2) 2238 error = error2; 2239 } 2240 return (error); 2241 } 2242 2243 int 2244 freebsd32_clock_gettime(struct thread *td, 2245 struct freebsd32_clock_gettime_args *uap) 2246 { 2247 struct timespec ats; 2248 struct timespec32 ats32; 2249 int error; 2250 2251 error = kern_clock_gettime(td, uap->clock_id, &ats); 2252 if (error == 0) { 2253 CP(ats, ats32, tv_sec); 2254 CP(ats, ats32, tv_nsec); 2255 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2256 } 2257 return (error); 2258 } 2259 2260 int 2261 freebsd32_clock_settime(struct thread *td, 2262 struct freebsd32_clock_settime_args *uap) 2263 { 2264 struct timespec ats; 2265 struct timespec32 ats32; 2266 int error; 2267 2268 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2269 if (error) 2270 return (error); 2271 CP(ats32, ats, tv_sec); 2272 CP(ats32, ats, tv_nsec); 2273 2274 return (kern_clock_settime(td, uap->clock_id, &ats)); 2275 } 2276 2277 int 2278 freebsd32_clock_getres(struct thread *td, 2279 struct freebsd32_clock_getres_args *uap) 2280 { 2281 struct timespec ts; 2282 struct timespec32 ts32; 2283 int error; 2284 2285 if (uap->tp == NULL) 2286 return (0); 2287 error = kern_clock_getres(td, uap->clock_id, &ts); 2288 if (error == 0) { 2289 CP(ts, ts32, tv_sec); 2290 CP(ts, ts32, tv_nsec); 2291 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2292 } 2293 return (error); 2294 } 2295 2296 int 2297 freebsd32_thr_new(struct thread *td, 2298 struct freebsd32_thr_new_args *uap) 2299 { 2300 struct thr_param32 param32; 2301 struct thr_param param; 2302 int error; 2303 2304 if (uap->param_size < 0 || 2305 uap->param_size > sizeof(struct thr_param32)) 2306 return (EINVAL); 2307 bzero(¶m, sizeof(struct thr_param)); 2308 bzero(¶m32, sizeof(struct thr_param32)); 2309 error = copyin(uap->param, ¶m32, uap->param_size); 2310 if (error != 0) 2311 return (error); 2312 param.start_func = PTRIN(param32.start_func); 2313 param.arg = PTRIN(param32.arg); 2314 param.stack_base = PTRIN(param32.stack_base); 2315 param.stack_size = param32.stack_size; 2316 param.tls_base = PTRIN(param32.tls_base); 2317 param.tls_size = param32.tls_size; 2318 param.child_tid = PTRIN(param32.child_tid); 2319 param.parent_tid = PTRIN(param32.parent_tid); 2320 param.flags = param32.flags; 2321 param.rtp = PTRIN(param32.rtp); 2322 param.spare[0] = PTRIN(param32.spare[0]); 2323 param.spare[1] = PTRIN(param32.spare[1]); 2324 param.spare[2] = PTRIN(param32.spare[2]); 2325 2326 return (kern_thr_new(td, ¶m)); 2327 } 2328 2329 int 2330 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2331 { 2332 struct timespec32 ts32; 2333 struct timespec ts, *tsp; 2334 int error; 2335 2336 error = 0; 2337 tsp = NULL; 2338 if (uap->timeout != NULL) { 2339 error = copyin((const void *)uap->timeout, (void *)&ts32, 2340 sizeof(struct timespec32)); 2341 if (error != 0) 2342 return (error); 2343 ts.tv_sec = ts32.tv_sec; 2344 ts.tv_nsec = ts32.tv_nsec; 2345 tsp = &ts; 2346 } 2347 return (kern_thr_suspend(td, tsp)); 2348 } 2349 2350 void 2351 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2352 { 2353 bzero(dst, sizeof(*dst)); 2354 dst->si_signo = src->si_signo; 2355 dst->si_errno = src->si_errno; 2356 dst->si_code = src->si_code; 2357 dst->si_pid = src->si_pid; 2358 dst->si_uid = src->si_uid; 2359 dst->si_status = src->si_status; 2360 dst->si_addr = (uintptr_t)src->si_addr; 2361 dst->si_value.sigval_int = src->si_value.sival_int; 2362 dst->si_timerid = src->si_timerid; 2363 dst->si_overrun = src->si_overrun; 2364 } 2365 2366 int 2367 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2368 { 2369 struct timespec32 ts32; 2370 struct timespec ts; 2371 struct timespec *timeout; 2372 sigset_t set; 2373 ksiginfo_t ksi; 2374 struct siginfo32 si32; 2375 int error; 2376 2377 if (uap->timeout) { 2378 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2379 if (error) 2380 return (error); 2381 ts.tv_sec = ts32.tv_sec; 2382 ts.tv_nsec = ts32.tv_nsec; 2383 timeout = &ts; 2384 } else 2385 timeout = NULL; 2386 2387 error = copyin(uap->set, &set, sizeof(set)); 2388 if (error) 2389 return (error); 2390 2391 error = kern_sigtimedwait(td, set, &ksi, timeout); 2392 if (error) 2393 return (error); 2394 2395 if (uap->info) { 2396 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2397 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2398 } 2399 2400 if (error == 0) 2401 td->td_retval[0] = ksi.ksi_signo; 2402 return (error); 2403 } 2404 2405 /* 2406 * MPSAFE 2407 */ 2408 int 2409 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2410 { 2411 ksiginfo_t ksi; 2412 struct siginfo32 si32; 2413 sigset_t set; 2414 int error; 2415 2416 error = copyin(uap->set, &set, sizeof(set)); 2417 if (error) 2418 return (error); 2419 2420 error = kern_sigtimedwait(td, set, &ksi, NULL); 2421 if (error) 2422 return (error); 2423 2424 if (uap->info) { 2425 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2426 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2427 } 2428 if (error == 0) 2429 td->td_retval[0] = ksi.ksi_signo; 2430 return (error); 2431 } 2432 2433 int 2434 freebsd32_cpuset_setid(struct thread *td, 2435 struct freebsd32_cpuset_setid_args *uap) 2436 { 2437 struct cpuset_setid_args ap; 2438 2439 ap.which = uap->which; 2440 ap.id = PAIR32TO64(id_t,uap->id); 2441 ap.setid = uap->setid; 2442 2443 return (sys_cpuset_setid(td, &ap)); 2444 } 2445 2446 int 2447 freebsd32_cpuset_getid(struct thread *td, 2448 struct freebsd32_cpuset_getid_args *uap) 2449 { 2450 struct cpuset_getid_args ap; 2451 2452 ap.level = uap->level; 2453 ap.which = uap->which; 2454 ap.id = PAIR32TO64(id_t,uap->id); 2455 ap.setid = uap->setid; 2456 2457 return (sys_cpuset_getid(td, &ap)); 2458 } 2459 2460 int 2461 freebsd32_cpuset_getaffinity(struct thread *td, 2462 struct freebsd32_cpuset_getaffinity_args *uap) 2463 { 2464 struct cpuset_getaffinity_args ap; 2465 2466 ap.level = uap->level; 2467 ap.which = uap->which; 2468 ap.id = PAIR32TO64(id_t,uap->id); 2469 ap.cpusetsize = uap->cpusetsize; 2470 ap.mask = uap->mask; 2471 2472 return (sys_cpuset_getaffinity(td, &ap)); 2473 } 2474 2475 int 2476 freebsd32_cpuset_setaffinity(struct thread *td, 2477 struct freebsd32_cpuset_setaffinity_args *uap) 2478 { 2479 struct cpuset_setaffinity_args ap; 2480 2481 ap.level = uap->level; 2482 ap.which = uap->which; 2483 ap.id = PAIR32TO64(id_t,uap->id); 2484 ap.cpusetsize = uap->cpusetsize; 2485 ap.mask = uap->mask; 2486 2487 return (sys_cpuset_setaffinity(td, &ap)); 2488 } 2489 2490 int 2491 freebsd32_nmount(struct thread *td, 2492 struct freebsd32_nmount_args /* { 2493 struct iovec *iovp; 2494 unsigned int iovcnt; 2495 int flags; 2496 } */ *uap) 2497 { 2498 struct uio *auio; 2499 uint64_t flags; 2500 int error; 2501 2502 /* 2503 * Mount flags are now 64-bits. On 32-bit archtectures only 2504 * 32-bits are passed in, but from here on everything handles 2505 * 64-bit flags correctly. 2506 */ 2507 flags = uap->flags; 2508 2509 AUDIT_ARG_FFLAGS(flags); 2510 2511 /* 2512 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2513 * userspace to set this flag, but we must filter it out if we want 2514 * MNT_UPDATE on the root file system to work. 2515 * MNT_ROOTFS should only be set by the kernel when mounting its 2516 * root file system. 2517 */ 2518 flags &= ~MNT_ROOTFS; 2519 2520 /* 2521 * check that we have an even number of iovec's 2522 * and that we have at least two options. 2523 */ 2524 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2525 return (EINVAL); 2526 2527 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2528 if (error) 2529 return (error); 2530 error = vfs_donmount(td, flags, auio); 2531 2532 free(auio, M_IOV); 2533 return error; 2534 } 2535 2536 #if 0 2537 int 2538 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2539 { 2540 struct yyy32 *p32, s32; 2541 struct yyy *p = NULL, s; 2542 struct xxx_arg ap; 2543 int error; 2544 2545 if (uap->zzz) { 2546 error = copyin(uap->zzz, &s32, sizeof(s32)); 2547 if (error) 2548 return (error); 2549 /* translate in */ 2550 p = &s; 2551 } 2552 error = kern_xxx(td, p); 2553 if (error) 2554 return (error); 2555 if (uap->zzz) { 2556 /* translate out */ 2557 error = copyout(&s32, p32, sizeof(s32)); 2558 } 2559 return (error); 2560 } 2561 #endif 2562 2563 int 2564 syscall32_register(int *offset, struct sysent *new_sysent, 2565 struct sysent *old_sysent) 2566 { 2567 if (*offset == NO_SYSCALL) { 2568 int i; 2569 2570 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2571 if (freebsd32_sysent[i].sy_call == 2572 (sy_call_t *)lkmnosys) 2573 break; 2574 if (i == SYS_MAXSYSCALL) 2575 return (ENFILE); 2576 *offset = i; 2577 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2578 return (EINVAL); 2579 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2580 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2581 return (EEXIST); 2582 2583 *old_sysent = freebsd32_sysent[*offset]; 2584 freebsd32_sysent[*offset] = *new_sysent; 2585 return 0; 2586 } 2587 2588 int 2589 syscall32_deregister(int *offset, struct sysent *old_sysent) 2590 { 2591 2592 if (*offset) 2593 freebsd32_sysent[*offset] = *old_sysent; 2594 return 0; 2595 } 2596 2597 int 2598 syscall32_module_handler(struct module *mod, int what, void *arg) 2599 { 2600 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2601 modspecific_t ms; 2602 int error; 2603 2604 switch (what) { 2605 case MOD_LOAD: 2606 error = syscall32_register(data->offset, data->new_sysent, 2607 &data->old_sysent); 2608 if (error) { 2609 /* Leave a mark so we know to safely unload below. */ 2610 data->offset = NULL; 2611 return error; 2612 } 2613 ms.intval = *data->offset; 2614 MOD_XLOCK; 2615 module_setspecific(mod, &ms); 2616 MOD_XUNLOCK; 2617 if (data->chainevh) 2618 error = data->chainevh(mod, what, data->chainarg); 2619 return (error); 2620 case MOD_UNLOAD: 2621 /* 2622 * MOD_LOAD failed, so just return without calling the 2623 * chained handler since we didn't pass along the MOD_LOAD 2624 * event. 2625 */ 2626 if (data->offset == NULL) 2627 return (0); 2628 if (data->chainevh) { 2629 error = data->chainevh(mod, what, data->chainarg); 2630 if (error) 2631 return (error); 2632 } 2633 error = syscall32_deregister(data->offset, &data->old_sysent); 2634 return (error); 2635 default: 2636 error = EOPNOTSUPP; 2637 if (data->chainevh) 2638 error = data->chainevh(mod, what, data->chainarg); 2639 return (error); 2640 } 2641 } 2642 2643 int 2644 syscall32_helper_register(struct syscall_helper_data *sd) 2645 { 2646 struct syscall_helper_data *sd1; 2647 int error; 2648 2649 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2650 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2651 &sd1->old_sysent); 2652 if (error != 0) { 2653 syscall32_helper_unregister(sd); 2654 return (error); 2655 } 2656 sd1->registered = 1; 2657 } 2658 return (0); 2659 } 2660 2661 int 2662 syscall32_helper_unregister(struct syscall_helper_data *sd) 2663 { 2664 struct syscall_helper_data *sd1; 2665 2666 for (sd1 = sd; sd1->registered != 0; sd1++) { 2667 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2668 sd1->registered = 0; 2669 } 2670 return (0); 2671 } 2672 2673 register_t * 2674 freebsd32_copyout_strings(struct image_params *imgp) 2675 { 2676 int argc, envc, i; 2677 u_int32_t *vectp; 2678 char *stringp, *destp; 2679 u_int32_t *stack_base; 2680 struct freebsd32_ps_strings *arginfo; 2681 char canary[sizeof(long) * 8]; 2682 int32_t pagesizes32[MAXPAGESIZES]; 2683 size_t execpath_len; 2684 int szsigcode; 2685 2686 /* 2687 * Calculate string base and vector table pointers. 2688 * Also deal with signal trampoline code for this exec type. 2689 */ 2690 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2691 execpath_len = strlen(imgp->execpath) + 1; 2692 else 2693 execpath_len = 0; 2694 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2695 sv_psstrings; 2696 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2697 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2698 else 2699 szsigcode = 0; 2700 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2701 roundup(execpath_len, sizeof(char *)) - 2702 roundup(sizeof(canary), sizeof(char *)) - 2703 roundup(sizeof(pagesizes32), sizeof(char *)) - 2704 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2705 2706 /* 2707 * install sigcode 2708 */ 2709 if (szsigcode != 0) 2710 copyout(imgp->proc->p_sysent->sv_sigcode, 2711 ((caddr_t)arginfo - szsigcode), szsigcode); 2712 2713 /* 2714 * Copy the image path for the rtld. 2715 */ 2716 if (execpath_len != 0) { 2717 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2718 copyout(imgp->execpath, (void *)imgp->execpathp, 2719 execpath_len); 2720 } 2721 2722 /* 2723 * Prepare the canary for SSP. 2724 */ 2725 arc4rand(canary, sizeof(canary), 0); 2726 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2727 sizeof(canary); 2728 copyout(canary, (void *)imgp->canary, sizeof(canary)); 2729 imgp->canarylen = sizeof(canary); 2730 2731 /* 2732 * Prepare the pagesizes array. 2733 */ 2734 for (i = 0; i < MAXPAGESIZES; i++) 2735 pagesizes32[i] = (uint32_t)pagesizes[i]; 2736 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2737 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2738 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2739 imgp->pagesizeslen = sizeof(pagesizes32); 2740 2741 /* 2742 * If we have a valid auxargs ptr, prepare some room 2743 * on the stack. 2744 */ 2745 if (imgp->auxargs) { 2746 /* 2747 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2748 * lower compatibility. 2749 */ 2750 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2751 : (AT_COUNT * 2); 2752 /* 2753 * The '+ 2' is for the null pointers at the end of each of 2754 * the arg and env vector sets,and imgp->auxarg_size is room 2755 * for argument of Runtime loader. 2756 */ 2757 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2758 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2759 sizeof(u_int32_t)); 2760 } else 2761 /* 2762 * The '+ 2' is for the null pointers at the end of each of 2763 * the arg and env vector sets 2764 */ 2765 vectp = (u_int32_t *) 2766 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2767 2768 /* 2769 * vectp also becomes our initial stack base 2770 */ 2771 stack_base = vectp; 2772 2773 stringp = imgp->args->begin_argv; 2774 argc = imgp->args->argc; 2775 envc = imgp->args->envc; 2776 /* 2777 * Copy out strings - arguments and environment. 2778 */ 2779 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2780 2781 /* 2782 * Fill in "ps_strings" struct for ps, w, etc. 2783 */ 2784 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2785 suword32(&arginfo->ps_nargvstr, argc); 2786 2787 /* 2788 * Fill in argument portion of vector table. 2789 */ 2790 for (; argc > 0; --argc) { 2791 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2792 while (*stringp++ != 0) 2793 destp++; 2794 destp++; 2795 } 2796 2797 /* a null vector table pointer separates the argp's from the envp's */ 2798 suword32(vectp++, 0); 2799 2800 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2801 suword32(&arginfo->ps_nenvstr, envc); 2802 2803 /* 2804 * Fill in environment portion of vector table. 2805 */ 2806 for (; envc > 0; --envc) { 2807 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2808 while (*stringp++ != 0) 2809 destp++; 2810 destp++; 2811 } 2812 2813 /* end of vector table is a null pointer */ 2814 suword32(vectp, 0); 2815 2816 return ((register_t *)stack_base); 2817 } 2818 2819 int 2820 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2821 { 2822 struct kld_file_stat stat; 2823 struct kld32_file_stat stat32; 2824 int error, version; 2825 2826 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2827 != 0) 2828 return (error); 2829 if (version != sizeof(struct kld32_file_stat_1) && 2830 version != sizeof(struct kld32_file_stat)) 2831 return (EINVAL); 2832 2833 error = kern_kldstat(td, uap->fileid, &stat); 2834 if (error != 0) 2835 return (error); 2836 2837 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2838 CP(stat, stat32, refs); 2839 CP(stat, stat32, id); 2840 PTROUT_CP(stat, stat32, address); 2841 CP(stat, stat32, size); 2842 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2843 return (copyout(&stat32, uap->stat, version)); 2844 } 2845 2846 int 2847 freebsd32_posix_fallocate(struct thread *td, 2848 struct freebsd32_posix_fallocate_args *uap) 2849 { 2850 2851 return (kern_posix_fallocate(td, uap->fd, 2852 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); 2853 } 2854 2855 int 2856 freebsd32_posix_fadvise(struct thread *td, 2857 struct freebsd32_posix_fadvise_args *uap) 2858 { 2859 2860 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2861 PAIR32TO64(off_t, uap->len), uap->advice)); 2862 } 2863