1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2002 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include "opt_inet.h" 33 #include "opt_inet6.h" 34 #include "opt_ktrace.h" 35 36 #define __ELF_WORD_SIZE 32 37 38 #ifdef COMPAT_FREEBSD11 39 #define _WANT_FREEBSD11_KEVENT 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/bus.h> 44 #include <sys/capsicum.h> 45 #include <sys/clock.h> 46 #include <sys/exec.h> 47 #include <sys/fcntl.h> 48 #include <sys/filedesc.h> 49 #include <sys/imgact.h> 50 #include <sys/jail.h> 51 #include <sys/kernel.h> 52 #include <sys/limits.h> 53 #include <sys/linker.h> 54 #include <sys/lock.h> 55 #include <sys/malloc.h> 56 #include <sys/file.h> /* Must come after sys/malloc.h */ 57 #include <sys/imgact.h> 58 #include <sys/mbuf.h> 59 #include <sys/mman.h> 60 #include <sys/module.h> 61 #include <sys/mount.h> 62 #include <sys/mutex.h> 63 #include <sys/namei.h> 64 #include <sys/proc.h> 65 #include <sys/procctl.h> 66 #include <sys/reboot.h> 67 #include <sys/resource.h> 68 #include <sys/resourcevar.h> 69 #include <sys/selinfo.h> 70 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 71 #include <sys/pipe.h> /* Must come after sys/selinfo.h */ 72 #include <sys/signal.h> 73 #include <sys/signalvar.h> 74 #include <sys/socket.h> 75 #include <sys/socketvar.h> 76 #include <sys/stat.h> 77 #include <sys/syscall.h> 78 #include <sys/syscallsubr.h> 79 #include <sys/sysctl.h> 80 #include <sys/sysent.h> 81 #include <sys/sysproto.h> 82 #include <sys/systm.h> 83 #include <sys/thr.h> 84 #include <sys/unistd.h> 85 #include <sys/ucontext.h> 86 #include <sys/vnode.h> 87 #include <sys/wait.h> 88 #include <sys/ipc.h> 89 #include <sys/msg.h> 90 #include <sys/sem.h> 91 #include <sys/shm.h> 92 #ifdef KTRACE 93 #include <sys/ktrace.h> 94 #endif 95 96 #ifdef INET 97 #include <netinet/in.h> 98 #endif 99 100 #include <vm/vm.h> 101 #include <vm/vm_param.h> 102 #include <vm/pmap.h> 103 #include <vm/vm_map.h> 104 #include <vm/vm_object.h> 105 #include <vm/vm_extern.h> 106 107 #include <machine/cpu.h> 108 #include <machine/elf.h> 109 110 #include <security/audit/audit.h> 111 112 #include <compat/freebsd32/freebsd32_util.h> 113 #include <compat/freebsd32/freebsd32.h> 114 #include <compat/freebsd32/freebsd32_ipc.h> 115 #include <compat/freebsd32/freebsd32_misc.h> 116 #include <compat/freebsd32/freebsd32_signal.h> 117 #include <compat/freebsd32/freebsd32_proto.h> 118 119 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 120 121 #ifdef __amd64__ 122 CTASSERT(sizeof(struct timeval32) == 8); 123 CTASSERT(sizeof(struct timespec32) == 8); 124 CTASSERT(sizeof(struct itimerval32) == 16); 125 CTASSERT(sizeof(struct bintime32) == 12); 126 #endif 127 CTASSERT(sizeof(struct statfs32) == 256); 128 #ifdef __amd64__ 129 CTASSERT(sizeof(struct rusage32) == 72); 130 #endif 131 CTASSERT(sizeof(struct sigaltstack32) == 12); 132 #ifdef __amd64__ 133 CTASSERT(sizeof(struct kevent32) == 56); 134 #else 135 CTASSERT(sizeof(struct kevent32) == 64); 136 #endif 137 CTASSERT(sizeof(struct iovec32) == 8); 138 CTASSERT(sizeof(struct msghdr32) == 28); 139 #ifdef __amd64__ 140 CTASSERT(sizeof(struct stat32) == 208); 141 CTASSERT(sizeof(struct freebsd11_stat32) == 96); 142 #endif 143 CTASSERT(sizeof(struct sigaction32) == 24); 144 145 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 146 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 147 static int freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id, 148 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp); 149 150 void 151 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 152 { 153 154 TV_CP(*s, *s32, ru_utime); 155 TV_CP(*s, *s32, ru_stime); 156 CP(*s, *s32, ru_maxrss); 157 CP(*s, *s32, ru_ixrss); 158 CP(*s, *s32, ru_idrss); 159 CP(*s, *s32, ru_isrss); 160 CP(*s, *s32, ru_minflt); 161 CP(*s, *s32, ru_majflt); 162 CP(*s, *s32, ru_nswap); 163 CP(*s, *s32, ru_inblock); 164 CP(*s, *s32, ru_oublock); 165 CP(*s, *s32, ru_msgsnd); 166 CP(*s, *s32, ru_msgrcv); 167 CP(*s, *s32, ru_nsignals); 168 CP(*s, *s32, ru_nvcsw); 169 CP(*s, *s32, ru_nivcsw); 170 } 171 172 int 173 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 174 { 175 int error, status; 176 struct rusage32 ru32; 177 struct rusage ru, *rup; 178 179 if (uap->rusage != NULL) 180 rup = &ru; 181 else 182 rup = NULL; 183 error = kern_wait(td, uap->pid, &status, uap->options, rup); 184 if (error) 185 return (error); 186 if (uap->status != NULL) 187 error = copyout(&status, uap->status, sizeof(status)); 188 if (uap->rusage != NULL && error == 0) { 189 freebsd32_rusage_out(&ru, &ru32); 190 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 191 } 192 return (error); 193 } 194 195 int 196 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 197 { 198 struct wrusage32 wru32; 199 struct __wrusage wru, *wrup; 200 struct siginfo32 si32; 201 struct __siginfo si, *sip; 202 int error, status; 203 204 if (uap->wrusage != NULL) 205 wrup = &wru; 206 else 207 wrup = NULL; 208 if (uap->info != NULL) { 209 sip = &si; 210 bzero(sip, sizeof(*sip)); 211 } else 212 sip = NULL; 213 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 214 &status, uap->options, wrup, sip); 215 if (error != 0) 216 return (error); 217 if (uap->status != NULL) 218 error = copyout(&status, uap->status, sizeof(status)); 219 if (uap->wrusage != NULL && error == 0) { 220 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 221 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 222 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 223 } 224 if (uap->info != NULL && error == 0) { 225 siginfo_to_siginfo32 (&si, &si32); 226 error = copyout(&si32, uap->info, sizeof(si32)); 227 } 228 return (error); 229 } 230 231 #ifdef COMPAT_FREEBSD4 232 static void 233 copy_statfs(struct statfs *in, struct statfs32 *out) 234 { 235 236 statfs_scale_blocks(in, INT32_MAX); 237 bzero(out, sizeof(*out)); 238 CP(*in, *out, f_bsize); 239 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 240 CP(*in, *out, f_blocks); 241 CP(*in, *out, f_bfree); 242 CP(*in, *out, f_bavail); 243 out->f_files = MIN(in->f_files, INT32_MAX); 244 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 245 CP(*in, *out, f_fsid); 246 CP(*in, *out, f_owner); 247 CP(*in, *out, f_type); 248 CP(*in, *out, f_flags); 249 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 250 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 251 strlcpy(out->f_fstypename, 252 in->f_fstypename, MFSNAMELEN); 253 strlcpy(out->f_mntonname, 254 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 255 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 256 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 257 strlcpy(out->f_mntfromname, 258 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 259 } 260 #endif 261 262 #ifdef COMPAT_FREEBSD4 263 int 264 freebsd4_freebsd32_getfsstat(struct thread *td, 265 struct freebsd4_freebsd32_getfsstat_args *uap) 266 { 267 struct statfs *buf, *sp; 268 struct statfs32 stat32; 269 size_t count, size, copycount; 270 int error; 271 272 count = uap->bufsize / sizeof(struct statfs32); 273 size = count * sizeof(struct statfs); 274 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode); 275 if (size > 0) { 276 sp = buf; 277 copycount = count; 278 while (copycount > 0 && error == 0) { 279 copy_statfs(sp, &stat32); 280 error = copyout(&stat32, uap->buf, sizeof(stat32)); 281 sp++; 282 uap->buf++; 283 copycount--; 284 } 285 free(buf, M_STATFS); 286 } 287 if (error == 0) 288 td->td_retval[0] = count; 289 return (error); 290 } 291 #endif 292 293 #ifdef COMPAT_FREEBSD10 294 int 295 freebsd10_freebsd32_pipe(struct thread *td, 296 struct freebsd10_freebsd32_pipe_args *uap) { 297 298 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap)); 299 } 300 #endif 301 302 int 303 freebsd32_sigaltstack(struct thread *td, 304 struct freebsd32_sigaltstack_args *uap) 305 { 306 struct sigaltstack32 s32; 307 struct sigaltstack ss, oss, *ssp; 308 int error; 309 310 if (uap->ss != NULL) { 311 error = copyin(uap->ss, &s32, sizeof(s32)); 312 if (error) 313 return (error); 314 PTRIN_CP(s32, ss, ss_sp); 315 CP(s32, ss, ss_size); 316 CP(s32, ss, ss_flags); 317 ssp = &ss; 318 } else 319 ssp = NULL; 320 error = kern_sigaltstack(td, ssp, &oss); 321 if (error == 0 && uap->oss != NULL) { 322 PTROUT_CP(oss, s32, ss_sp); 323 CP(oss, s32, ss_size); 324 CP(oss, s32, ss_flags); 325 error = copyout(&s32, uap->oss, sizeof(s32)); 326 } 327 return (error); 328 } 329 330 /* 331 * Custom version of exec_copyin_args() so that we can translate 332 * the pointers. 333 */ 334 int 335 freebsd32_exec_copyin_args(struct image_args *args, const char *fname, 336 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 337 { 338 char *argp, *envp; 339 u_int32_t *p32, arg; 340 int error; 341 342 bzero(args, sizeof(*args)); 343 if (argv == NULL) 344 return (EFAULT); 345 346 /* 347 * Allocate demand-paged memory for the file name, argument, and 348 * environment strings. 349 */ 350 error = exec_alloc_args(args); 351 if (error != 0) 352 return (error); 353 354 /* 355 * Copy the file name. 356 */ 357 error = exec_args_add_fname(args, fname, segflg); 358 if (error != 0) 359 goto err_exit; 360 361 /* 362 * extract arguments first 363 */ 364 p32 = argv; 365 for (;;) { 366 error = copyin(p32++, &arg, sizeof(arg)); 367 if (error) 368 goto err_exit; 369 if (arg == 0) 370 break; 371 argp = PTRIN(arg); 372 error = exec_args_add_arg(args, argp, UIO_USERSPACE); 373 if (error != 0) 374 goto err_exit; 375 } 376 377 /* 378 * extract environment strings 379 */ 380 if (envv) { 381 p32 = envv; 382 for (;;) { 383 error = copyin(p32++, &arg, sizeof(arg)); 384 if (error) 385 goto err_exit; 386 if (arg == 0) 387 break; 388 envp = PTRIN(arg); 389 error = exec_args_add_env(args, envp, UIO_USERSPACE); 390 if (error != 0) 391 goto err_exit; 392 } 393 } 394 395 return (0); 396 397 err_exit: 398 exec_free_args(args); 399 return (error); 400 } 401 402 int 403 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 404 { 405 struct image_args eargs; 406 struct vmspace *oldvmspace; 407 int error; 408 409 error = pre_execve(td, &oldvmspace); 410 if (error != 0) 411 return (error); 412 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 413 uap->argv, uap->envv); 414 if (error == 0) 415 error = kern_execve(td, &eargs, NULL); 416 post_execve(td, error, oldvmspace); 417 return (error); 418 } 419 420 int 421 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 422 { 423 struct image_args eargs; 424 struct vmspace *oldvmspace; 425 int error; 426 427 error = pre_execve(td, &oldvmspace); 428 if (error != 0) 429 return (error); 430 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 431 uap->argv, uap->envv); 432 if (error == 0) { 433 eargs.fd = uap->fd; 434 error = kern_execve(td, &eargs, NULL); 435 } 436 post_execve(td, error, oldvmspace); 437 return (error); 438 } 439 440 441 int 442 freebsd32_mknodat(struct thread *td, struct freebsd32_mknodat_args *uap) 443 { 444 445 return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE, 446 uap->mode, PAIR32TO64(dev_t, uap->dev))); 447 } 448 449 int 450 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 451 { 452 int prot; 453 454 prot = uap->prot; 455 #if defined(__amd64__) 456 if (i386_read_exec && (prot & PROT_READ) != 0) 457 prot |= PROT_EXEC; 458 #endif 459 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len, 460 prot)); 461 } 462 463 int 464 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 465 { 466 int prot; 467 468 prot = uap->prot; 469 #if defined(__amd64__) 470 if (i386_read_exec && (prot & PROT_READ)) 471 prot |= PROT_EXEC; 472 #endif 473 474 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 475 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 476 } 477 478 #ifdef COMPAT_FREEBSD6 479 int 480 freebsd6_freebsd32_mmap(struct thread *td, 481 struct freebsd6_freebsd32_mmap_args *uap) 482 { 483 int prot; 484 485 prot = uap->prot; 486 #if defined(__amd64__) 487 if (i386_read_exec && (prot & PROT_READ)) 488 prot |= PROT_EXEC; 489 #endif 490 491 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 492 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 493 } 494 #endif 495 496 int 497 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 498 { 499 struct itimerval itv, oitv, *itvp; 500 struct itimerval32 i32; 501 int error; 502 503 if (uap->itv != NULL) { 504 error = copyin(uap->itv, &i32, sizeof(i32)); 505 if (error) 506 return (error); 507 TV_CP(i32, itv, it_interval); 508 TV_CP(i32, itv, it_value); 509 itvp = &itv; 510 } else 511 itvp = NULL; 512 error = kern_setitimer(td, uap->which, itvp, &oitv); 513 if (error || uap->oitv == NULL) 514 return (error); 515 TV_CP(oitv, i32, it_interval); 516 TV_CP(oitv, i32, it_value); 517 return (copyout(&i32, uap->oitv, sizeof(i32))); 518 } 519 520 int 521 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 522 { 523 struct itimerval itv; 524 struct itimerval32 i32; 525 int error; 526 527 error = kern_getitimer(td, uap->which, &itv); 528 if (error || uap->itv == NULL) 529 return (error); 530 TV_CP(itv, i32, it_interval); 531 TV_CP(itv, i32, it_value); 532 return (copyout(&i32, uap->itv, sizeof(i32))); 533 } 534 535 int 536 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 537 { 538 struct timeval32 tv32; 539 struct timeval tv, *tvp; 540 int error; 541 542 if (uap->tv != NULL) { 543 error = copyin(uap->tv, &tv32, sizeof(tv32)); 544 if (error) 545 return (error); 546 CP(tv32, tv, tv_sec); 547 CP(tv32, tv, tv_usec); 548 tvp = &tv; 549 } else 550 tvp = NULL; 551 /* 552 * XXX Do pointers need PTRIN()? 553 */ 554 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 555 sizeof(int32_t) * 8)); 556 } 557 558 int 559 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 560 { 561 struct timespec32 ts32; 562 struct timespec ts; 563 struct timeval tv, *tvp; 564 sigset_t set, *uset; 565 int error; 566 567 if (uap->ts != NULL) { 568 error = copyin(uap->ts, &ts32, sizeof(ts32)); 569 if (error != 0) 570 return (error); 571 CP(ts32, ts, tv_sec); 572 CP(ts32, ts, tv_nsec); 573 TIMESPEC_TO_TIMEVAL(&tv, &ts); 574 tvp = &tv; 575 } else 576 tvp = NULL; 577 if (uap->sm != NULL) { 578 error = copyin(uap->sm, &set, sizeof(set)); 579 if (error != 0) 580 return (error); 581 uset = &set; 582 } else 583 uset = NULL; 584 /* 585 * XXX Do pointers need PTRIN()? 586 */ 587 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 588 uset, sizeof(int32_t) * 8); 589 return (error); 590 } 591 592 /* 593 * Copy 'count' items into the destination list pointed to by uap->eventlist. 594 */ 595 static int 596 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 597 { 598 struct freebsd32_kevent_args *uap; 599 struct kevent32 ks32[KQ_NEVENTS]; 600 uint64_t e; 601 int i, j, error; 602 603 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 604 uap = (struct freebsd32_kevent_args *)arg; 605 606 for (i = 0; i < count; i++) { 607 CP(kevp[i], ks32[i], ident); 608 CP(kevp[i], ks32[i], filter); 609 CP(kevp[i], ks32[i], flags); 610 CP(kevp[i], ks32[i], fflags); 611 #if BYTE_ORDER == LITTLE_ENDIAN 612 ks32[i].data1 = kevp[i].data; 613 ks32[i].data2 = kevp[i].data >> 32; 614 #else 615 ks32[i].data1 = kevp[i].data >> 32; 616 ks32[i].data2 = kevp[i].data; 617 #endif 618 PTROUT_CP(kevp[i], ks32[i], udata); 619 for (j = 0; j < nitems(kevp->ext); j++) { 620 e = kevp[i].ext[j]; 621 #if BYTE_ORDER == LITTLE_ENDIAN 622 ks32[i].ext64[2 * j] = e; 623 ks32[i].ext64[2 * j + 1] = e >> 32; 624 #else 625 ks32[i].ext64[2 * j] = e >> 32; 626 ks32[i].ext64[2 * j + 1] = e; 627 #endif 628 } 629 } 630 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 631 if (error == 0) 632 uap->eventlist += count; 633 return (error); 634 } 635 636 /* 637 * Copy 'count' items from the list pointed to by uap->changelist. 638 */ 639 static int 640 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 641 { 642 struct freebsd32_kevent_args *uap; 643 struct kevent32 ks32[KQ_NEVENTS]; 644 uint64_t e; 645 int i, j, error; 646 647 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 648 uap = (struct freebsd32_kevent_args *)arg; 649 650 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 651 if (error) 652 goto done; 653 uap->changelist += count; 654 655 for (i = 0; i < count; i++) { 656 CP(ks32[i], kevp[i], ident); 657 CP(ks32[i], kevp[i], filter); 658 CP(ks32[i], kevp[i], flags); 659 CP(ks32[i], kevp[i], fflags); 660 kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data); 661 PTRIN_CP(ks32[i], kevp[i], udata); 662 for (j = 0; j < nitems(kevp->ext); j++) { 663 #if BYTE_ORDER == LITTLE_ENDIAN 664 e = ks32[i].ext64[2 * j + 1]; 665 e <<= 32; 666 e += ks32[i].ext64[2 * j]; 667 #else 668 e = ks32[i].ext64[2 * j]; 669 e <<= 32; 670 e += ks32[i].ext64[2 * j + 1]; 671 #endif 672 kevp[i].ext[j] = e; 673 } 674 } 675 done: 676 return (error); 677 } 678 679 int 680 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 681 { 682 struct timespec32 ts32; 683 struct timespec ts, *tsp; 684 struct kevent_copyops k_ops = { 685 .arg = uap, 686 .k_copyout = freebsd32_kevent_copyout, 687 .k_copyin = freebsd32_kevent_copyin, 688 }; 689 #ifdef KTRACE 690 struct kevent32 *eventlist = uap->eventlist; 691 #endif 692 int error; 693 694 if (uap->timeout) { 695 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 696 if (error) 697 return (error); 698 CP(ts32, ts, tv_sec); 699 CP(ts32, ts, tv_nsec); 700 tsp = &ts; 701 } else 702 tsp = NULL; 703 #ifdef KTRACE 704 if (KTRPOINT(td, KTR_STRUCT_ARRAY)) 705 ktrstructarray("kevent32", UIO_USERSPACE, uap->changelist, 706 uap->nchanges, sizeof(struct kevent32)); 707 #endif 708 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 709 &k_ops, tsp); 710 #ifdef KTRACE 711 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY)) 712 ktrstructarray("kevent32", UIO_USERSPACE, eventlist, 713 td->td_retval[0], sizeof(struct kevent32)); 714 #endif 715 return (error); 716 } 717 718 #ifdef COMPAT_FREEBSD11 719 static int 720 freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count) 721 { 722 struct freebsd11_freebsd32_kevent_args *uap; 723 struct kevent32_freebsd11 ks32[KQ_NEVENTS]; 724 int i, error; 725 726 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 727 uap = (struct freebsd11_freebsd32_kevent_args *)arg; 728 729 for (i = 0; i < count; i++) { 730 CP(kevp[i], ks32[i], ident); 731 CP(kevp[i], ks32[i], filter); 732 CP(kevp[i], ks32[i], flags); 733 CP(kevp[i], ks32[i], fflags); 734 CP(kevp[i], ks32[i], data); 735 PTROUT_CP(kevp[i], ks32[i], udata); 736 } 737 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 738 if (error == 0) 739 uap->eventlist += count; 740 return (error); 741 } 742 743 /* 744 * Copy 'count' items from the list pointed to by uap->changelist. 745 */ 746 static int 747 freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count) 748 { 749 struct freebsd11_freebsd32_kevent_args *uap; 750 struct kevent32_freebsd11 ks32[KQ_NEVENTS]; 751 int i, j, error; 752 753 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 754 uap = (struct freebsd11_freebsd32_kevent_args *)arg; 755 756 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 757 if (error) 758 goto done; 759 uap->changelist += count; 760 761 for (i = 0; i < count; i++) { 762 CP(ks32[i], kevp[i], ident); 763 CP(ks32[i], kevp[i], filter); 764 CP(ks32[i], kevp[i], flags); 765 CP(ks32[i], kevp[i], fflags); 766 CP(ks32[i], kevp[i], data); 767 PTRIN_CP(ks32[i], kevp[i], udata); 768 for (j = 0; j < nitems(kevp->ext); j++) 769 kevp[i].ext[j] = 0; 770 } 771 done: 772 return (error); 773 } 774 775 int 776 freebsd11_freebsd32_kevent(struct thread *td, 777 struct freebsd11_freebsd32_kevent_args *uap) 778 { 779 struct timespec32 ts32; 780 struct timespec ts, *tsp; 781 struct kevent_copyops k_ops = { 782 .arg = uap, 783 .k_copyout = freebsd32_kevent11_copyout, 784 .k_copyin = freebsd32_kevent11_copyin, 785 }; 786 #ifdef KTRACE 787 struct kevent32_freebsd11 *eventlist = uap->eventlist; 788 #endif 789 int error; 790 791 if (uap->timeout) { 792 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 793 if (error) 794 return (error); 795 CP(ts32, ts, tv_sec); 796 CP(ts32, ts, tv_nsec); 797 tsp = &ts; 798 } else 799 tsp = NULL; 800 #ifdef KTRACE 801 if (KTRPOINT(td, KTR_STRUCT_ARRAY)) 802 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE, 803 uap->changelist, uap->nchanges, 804 sizeof(struct kevent32_freebsd11)); 805 #endif 806 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 807 &k_ops, tsp); 808 #ifdef KTRACE 809 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY)) 810 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE, 811 eventlist, td->td_retval[0], 812 sizeof(struct kevent32_freebsd11)); 813 #endif 814 return (error); 815 } 816 #endif 817 818 int 819 freebsd32_gettimeofday(struct thread *td, 820 struct freebsd32_gettimeofday_args *uap) 821 { 822 struct timeval atv; 823 struct timeval32 atv32; 824 struct timezone rtz; 825 int error = 0; 826 827 if (uap->tp) { 828 microtime(&atv); 829 CP(atv, atv32, tv_sec); 830 CP(atv, atv32, tv_usec); 831 error = copyout(&atv32, uap->tp, sizeof (atv32)); 832 } 833 if (error == 0 && uap->tzp != NULL) { 834 rtz.tz_minuteswest = tz_minuteswest; 835 rtz.tz_dsttime = tz_dsttime; 836 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 837 } 838 return (error); 839 } 840 841 int 842 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 843 { 844 struct rusage32 s32; 845 struct rusage s; 846 int error; 847 848 error = kern_getrusage(td, uap->who, &s); 849 if (error == 0) { 850 freebsd32_rusage_out(&s, &s32); 851 error = copyout(&s32, uap->rusage, sizeof(s32)); 852 } 853 return (error); 854 } 855 856 static int 857 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 858 { 859 struct iovec32 iov32; 860 struct iovec *iov; 861 struct uio *uio; 862 u_int iovlen; 863 int error, i; 864 865 *uiop = NULL; 866 if (iovcnt > UIO_MAXIOV) 867 return (EINVAL); 868 iovlen = iovcnt * sizeof(struct iovec); 869 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 870 iov = (struct iovec *)(uio + 1); 871 for (i = 0; i < iovcnt; i++) { 872 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 873 if (error) { 874 free(uio, M_IOV); 875 return (error); 876 } 877 iov[i].iov_base = PTRIN(iov32.iov_base); 878 iov[i].iov_len = iov32.iov_len; 879 } 880 uio->uio_iov = iov; 881 uio->uio_iovcnt = iovcnt; 882 uio->uio_segflg = UIO_USERSPACE; 883 uio->uio_offset = -1; 884 uio->uio_resid = 0; 885 for (i = 0; i < iovcnt; i++) { 886 if (iov->iov_len > INT_MAX - uio->uio_resid) { 887 free(uio, M_IOV); 888 return (EINVAL); 889 } 890 uio->uio_resid += iov->iov_len; 891 iov++; 892 } 893 *uiop = uio; 894 return (0); 895 } 896 897 int 898 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 899 { 900 struct uio *auio; 901 int error; 902 903 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 904 if (error) 905 return (error); 906 error = kern_readv(td, uap->fd, auio); 907 free(auio, M_IOV); 908 return (error); 909 } 910 911 int 912 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 913 { 914 struct uio *auio; 915 int error; 916 917 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 918 if (error) 919 return (error); 920 error = kern_writev(td, uap->fd, auio); 921 free(auio, M_IOV); 922 return (error); 923 } 924 925 int 926 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 927 { 928 struct uio *auio; 929 int error; 930 931 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 932 if (error) 933 return (error); 934 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 935 free(auio, M_IOV); 936 return (error); 937 } 938 939 int 940 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 941 { 942 struct uio *auio; 943 int error; 944 945 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 946 if (error) 947 return (error); 948 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 949 free(auio, M_IOV); 950 return (error); 951 } 952 953 int 954 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 955 int error) 956 { 957 struct iovec32 iov32; 958 struct iovec *iov; 959 u_int iovlen; 960 int i; 961 962 *iovp = NULL; 963 if (iovcnt > UIO_MAXIOV) 964 return (error); 965 iovlen = iovcnt * sizeof(struct iovec); 966 iov = malloc(iovlen, M_IOV, M_WAITOK); 967 for (i = 0; i < iovcnt; i++) { 968 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 969 if (error) { 970 free(iov, M_IOV); 971 return (error); 972 } 973 iov[i].iov_base = PTRIN(iov32.iov_base); 974 iov[i].iov_len = iov32.iov_len; 975 } 976 *iovp = iov; 977 return (0); 978 } 979 980 static int 981 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 982 { 983 struct msghdr32 m32; 984 int error; 985 986 error = copyin(msg32, &m32, sizeof(m32)); 987 if (error) 988 return (error); 989 msg->msg_name = PTRIN(m32.msg_name); 990 msg->msg_namelen = m32.msg_namelen; 991 msg->msg_iov = PTRIN(m32.msg_iov); 992 msg->msg_iovlen = m32.msg_iovlen; 993 msg->msg_control = PTRIN(m32.msg_control); 994 msg->msg_controllen = m32.msg_controllen; 995 msg->msg_flags = m32.msg_flags; 996 return (0); 997 } 998 999 static int 1000 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 1001 { 1002 struct msghdr32 m32; 1003 int error; 1004 1005 m32.msg_name = PTROUT(msg->msg_name); 1006 m32.msg_namelen = msg->msg_namelen; 1007 m32.msg_iov = PTROUT(msg->msg_iov); 1008 m32.msg_iovlen = msg->msg_iovlen; 1009 m32.msg_control = PTROUT(msg->msg_control); 1010 m32.msg_controllen = msg->msg_controllen; 1011 m32.msg_flags = msg->msg_flags; 1012 error = copyout(&m32, msg32, sizeof(m32)); 1013 return (error); 1014 } 1015 1016 #ifndef __mips__ 1017 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 1018 #else 1019 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 1020 #endif 1021 #define FREEBSD32_ALIGN(p) \ 1022 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 1023 #define FREEBSD32_CMSG_SPACE(l) \ 1024 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 1025 1026 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 1027 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 1028 1029 static size_t 1030 freebsd32_cmsg_convert(const struct cmsghdr *cm, void *data, socklen_t datalen) 1031 { 1032 size_t copylen; 1033 union { 1034 struct timespec32 ts; 1035 struct timeval32 tv; 1036 struct bintime32 bt; 1037 } tmp32; 1038 1039 union { 1040 struct timespec ts; 1041 struct timeval tv; 1042 struct bintime bt; 1043 } *in; 1044 1045 in = data; 1046 copylen = 0; 1047 switch (cm->cmsg_level) { 1048 case SOL_SOCKET: 1049 switch (cm->cmsg_type) { 1050 case SCM_TIMESTAMP: 1051 TV_CP(*in, tmp32, tv); 1052 copylen = sizeof(tmp32.tv); 1053 break; 1054 1055 case SCM_BINTIME: 1056 BT_CP(*in, tmp32, bt); 1057 copylen = sizeof(tmp32.bt); 1058 break; 1059 1060 case SCM_REALTIME: 1061 case SCM_MONOTONIC: 1062 TS_CP(*in, tmp32, ts); 1063 copylen = sizeof(tmp32.ts); 1064 break; 1065 1066 default: 1067 break; 1068 } 1069 1070 default: 1071 break; 1072 } 1073 1074 if (copylen == 0) 1075 return (datalen); 1076 1077 KASSERT((datalen >= copylen), ("corrupted cmsghdr")); 1078 1079 bcopy(&tmp32, data, copylen); 1080 return (copylen); 1081 } 1082 1083 static int 1084 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 1085 { 1086 struct cmsghdr *cm; 1087 void *data; 1088 socklen_t clen, datalen, datalen_out, oldclen; 1089 int error; 1090 caddr_t ctlbuf; 1091 int len, maxlen, copylen; 1092 struct mbuf *m; 1093 error = 0; 1094 1095 len = msg->msg_controllen; 1096 maxlen = msg->msg_controllen; 1097 msg->msg_controllen = 0; 1098 1099 ctlbuf = msg->msg_control; 1100 for (m = control; m != NULL && len > 0; m = m->m_next) { 1101 cm = mtod(m, struct cmsghdr *); 1102 clen = m->m_len; 1103 while (cm != NULL) { 1104 if (sizeof(struct cmsghdr) > clen || 1105 cm->cmsg_len > clen) { 1106 error = EINVAL; 1107 break; 1108 } 1109 1110 data = CMSG_DATA(cm); 1111 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1112 datalen_out = freebsd32_cmsg_convert(cm, data, datalen); 1113 1114 /* 1115 * Copy out the message header. Preserve the native 1116 * message size in case we need to inspect the message 1117 * contents later. 1118 */ 1119 copylen = sizeof(struct cmsghdr); 1120 if (len < copylen) { 1121 msg->msg_flags |= MSG_CTRUNC; 1122 m_dispose_extcontrolm(m); 1123 goto exit; 1124 } 1125 oldclen = cm->cmsg_len; 1126 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1127 datalen_out; 1128 error = copyout(cm, ctlbuf, copylen); 1129 cm->cmsg_len = oldclen; 1130 if (error != 0) 1131 goto exit; 1132 1133 ctlbuf += FREEBSD32_ALIGN(copylen); 1134 len -= FREEBSD32_ALIGN(copylen); 1135 1136 copylen = datalen_out; 1137 if (len < copylen) { 1138 msg->msg_flags |= MSG_CTRUNC; 1139 m_dispose_extcontrolm(m); 1140 break; 1141 } 1142 1143 /* Copy out the message data. */ 1144 error = copyout(data, ctlbuf, copylen); 1145 if (error) 1146 goto exit; 1147 1148 ctlbuf += FREEBSD32_ALIGN(copylen); 1149 len -= FREEBSD32_ALIGN(copylen); 1150 1151 if (CMSG_SPACE(datalen) < clen) { 1152 clen -= CMSG_SPACE(datalen); 1153 cm = (struct cmsghdr *) 1154 ((caddr_t)cm + CMSG_SPACE(datalen)); 1155 } else { 1156 clen = 0; 1157 cm = NULL; 1158 } 1159 1160 msg->msg_controllen += FREEBSD32_ALIGN(sizeof(*cm)) + 1161 datalen_out; 1162 } 1163 } 1164 if (len == 0 && m != NULL) { 1165 msg->msg_flags |= MSG_CTRUNC; 1166 m_dispose_extcontrolm(m); 1167 } 1168 1169 exit: 1170 return (error); 1171 } 1172 1173 int 1174 freebsd32_recvmsg(td, uap) 1175 struct thread *td; 1176 struct freebsd32_recvmsg_args /* { 1177 int s; 1178 struct msghdr32 *msg; 1179 int flags; 1180 } */ *uap; 1181 { 1182 struct msghdr msg; 1183 struct msghdr32 m32; 1184 struct iovec *uiov, *iov; 1185 struct mbuf *control = NULL; 1186 struct mbuf **controlp; 1187 1188 int error; 1189 error = copyin(uap->msg, &m32, sizeof(m32)); 1190 if (error) 1191 return (error); 1192 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1193 if (error) 1194 return (error); 1195 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1196 EMSGSIZE); 1197 if (error) 1198 return (error); 1199 msg.msg_flags = uap->flags; 1200 uiov = msg.msg_iov; 1201 msg.msg_iov = iov; 1202 1203 controlp = (msg.msg_control != NULL) ? &control : NULL; 1204 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1205 if (error == 0) { 1206 msg.msg_iov = uiov; 1207 1208 if (control != NULL) 1209 error = freebsd32_copy_msg_out(&msg, control); 1210 else 1211 msg.msg_controllen = 0; 1212 1213 if (error == 0) 1214 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1215 } 1216 free(iov, M_IOV); 1217 1218 if (control != NULL) { 1219 if (error != 0) 1220 m_dispose_extcontrolm(control); 1221 m_freem(control); 1222 } 1223 1224 return (error); 1225 } 1226 1227 /* 1228 * Copy-in the array of control messages constructed using alignment 1229 * and padding suitable for a 32-bit environment and construct an 1230 * mbuf using alignment and padding suitable for a 64-bit kernel. 1231 * The alignment and padding are defined indirectly by CMSG_DATA(), 1232 * CMSG_SPACE() and CMSG_LEN(). 1233 */ 1234 static int 1235 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1236 { 1237 struct mbuf *m; 1238 void *md; 1239 u_int idx, len, msglen; 1240 int error; 1241 1242 buflen = FREEBSD32_ALIGN(buflen); 1243 1244 if (buflen > MCLBYTES) 1245 return (EINVAL); 1246 1247 /* 1248 * Iterate over the buffer and get the length of each message 1249 * in there. This has 32-bit alignment and padding. Use it to 1250 * determine the length of these messages when using 64-bit 1251 * alignment and padding. 1252 */ 1253 idx = 0; 1254 len = 0; 1255 while (idx < buflen) { 1256 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1257 if (error) 1258 return (error); 1259 if (msglen < sizeof(struct cmsghdr)) 1260 return (EINVAL); 1261 msglen = FREEBSD32_ALIGN(msglen); 1262 if (idx + msglen > buflen) 1263 return (EINVAL); 1264 idx += msglen; 1265 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1266 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1267 len += CMSG_ALIGN(msglen); 1268 } 1269 1270 if (len > MCLBYTES) 1271 return (EINVAL); 1272 1273 m = m_get(M_WAITOK, MT_CONTROL); 1274 if (len > MLEN) 1275 MCLGET(m, M_WAITOK); 1276 m->m_len = len; 1277 1278 md = mtod(m, void *); 1279 while (buflen > 0) { 1280 error = copyin(buf, md, sizeof(struct cmsghdr)); 1281 if (error) 1282 break; 1283 msglen = *(u_int *)md; 1284 msglen = FREEBSD32_ALIGN(msglen); 1285 1286 /* Modify the message length to account for alignment. */ 1287 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1288 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1289 1290 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1291 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1292 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1293 1294 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1295 if (msglen > 0) { 1296 error = copyin(buf, md, msglen); 1297 if (error) 1298 break; 1299 md = (char *)md + CMSG_ALIGN(msglen); 1300 buf += msglen; 1301 buflen -= msglen; 1302 } 1303 } 1304 1305 if (error) 1306 m_free(m); 1307 else 1308 *mp = m; 1309 return (error); 1310 } 1311 1312 int 1313 freebsd32_sendmsg(struct thread *td, 1314 struct freebsd32_sendmsg_args *uap) 1315 { 1316 struct msghdr msg; 1317 struct msghdr32 m32; 1318 struct iovec *iov; 1319 struct mbuf *control = NULL; 1320 struct sockaddr *to = NULL; 1321 int error; 1322 1323 error = copyin(uap->msg, &m32, sizeof(m32)); 1324 if (error) 1325 return (error); 1326 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1327 if (error) 1328 return (error); 1329 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1330 EMSGSIZE); 1331 if (error) 1332 return (error); 1333 msg.msg_iov = iov; 1334 if (msg.msg_name != NULL) { 1335 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1336 if (error) { 1337 to = NULL; 1338 goto out; 1339 } 1340 msg.msg_name = to; 1341 } 1342 1343 if (msg.msg_control) { 1344 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1345 error = EINVAL; 1346 goto out; 1347 } 1348 1349 error = freebsd32_copyin_control(&control, msg.msg_control, 1350 msg.msg_controllen); 1351 if (error) 1352 goto out; 1353 1354 msg.msg_control = NULL; 1355 msg.msg_controllen = 0; 1356 } 1357 1358 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1359 UIO_USERSPACE); 1360 1361 out: 1362 free(iov, M_IOV); 1363 if (to) 1364 free(to, M_SONAME); 1365 return (error); 1366 } 1367 1368 int 1369 freebsd32_recvfrom(struct thread *td, 1370 struct freebsd32_recvfrom_args *uap) 1371 { 1372 struct msghdr msg; 1373 struct iovec aiov; 1374 int error; 1375 1376 if (uap->fromlenaddr) { 1377 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1378 sizeof(msg.msg_namelen)); 1379 if (error) 1380 return (error); 1381 } else { 1382 msg.msg_namelen = 0; 1383 } 1384 1385 msg.msg_name = PTRIN(uap->from); 1386 msg.msg_iov = &aiov; 1387 msg.msg_iovlen = 1; 1388 aiov.iov_base = PTRIN(uap->buf); 1389 aiov.iov_len = uap->len; 1390 msg.msg_control = NULL; 1391 msg.msg_flags = uap->flags; 1392 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1393 if (error == 0 && uap->fromlenaddr) 1394 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1395 sizeof (msg.msg_namelen)); 1396 return (error); 1397 } 1398 1399 int 1400 freebsd32_settimeofday(struct thread *td, 1401 struct freebsd32_settimeofday_args *uap) 1402 { 1403 struct timeval32 tv32; 1404 struct timeval tv, *tvp; 1405 struct timezone tz, *tzp; 1406 int error; 1407 1408 if (uap->tv) { 1409 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1410 if (error) 1411 return (error); 1412 CP(tv32, tv, tv_sec); 1413 CP(tv32, tv, tv_usec); 1414 tvp = &tv; 1415 } else 1416 tvp = NULL; 1417 if (uap->tzp) { 1418 error = copyin(uap->tzp, &tz, sizeof(tz)); 1419 if (error) 1420 return (error); 1421 tzp = &tz; 1422 } else 1423 tzp = NULL; 1424 return (kern_settimeofday(td, tvp, tzp)); 1425 } 1426 1427 int 1428 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1429 { 1430 struct timeval32 s32[2]; 1431 struct timeval s[2], *sp; 1432 int error; 1433 1434 if (uap->tptr != NULL) { 1435 error = copyin(uap->tptr, s32, sizeof(s32)); 1436 if (error) 1437 return (error); 1438 CP(s32[0], s[0], tv_sec); 1439 CP(s32[0], s[0], tv_usec); 1440 CP(s32[1], s[1], tv_sec); 1441 CP(s32[1], s[1], tv_usec); 1442 sp = s; 1443 } else 1444 sp = NULL; 1445 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1446 sp, UIO_SYSSPACE)); 1447 } 1448 1449 int 1450 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1451 { 1452 struct timeval32 s32[2]; 1453 struct timeval s[2], *sp; 1454 int error; 1455 1456 if (uap->tptr != NULL) { 1457 error = copyin(uap->tptr, s32, sizeof(s32)); 1458 if (error) 1459 return (error); 1460 CP(s32[0], s[0], tv_sec); 1461 CP(s32[0], s[0], tv_usec); 1462 CP(s32[1], s[1], tv_sec); 1463 CP(s32[1], s[1], tv_usec); 1464 sp = s; 1465 } else 1466 sp = NULL; 1467 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1468 } 1469 1470 int 1471 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1472 { 1473 struct timeval32 s32[2]; 1474 struct timeval s[2], *sp; 1475 int error; 1476 1477 if (uap->tptr != NULL) { 1478 error = copyin(uap->tptr, s32, sizeof(s32)); 1479 if (error) 1480 return (error); 1481 CP(s32[0], s[0], tv_sec); 1482 CP(s32[0], s[0], tv_usec); 1483 CP(s32[1], s[1], tv_sec); 1484 CP(s32[1], s[1], tv_usec); 1485 sp = s; 1486 } else 1487 sp = NULL; 1488 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1489 } 1490 1491 int 1492 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1493 { 1494 struct timeval32 s32[2]; 1495 struct timeval s[2], *sp; 1496 int error; 1497 1498 if (uap->times != NULL) { 1499 error = copyin(uap->times, s32, sizeof(s32)); 1500 if (error) 1501 return (error); 1502 CP(s32[0], s[0], tv_sec); 1503 CP(s32[0], s[0], tv_usec); 1504 CP(s32[1], s[1], tv_sec); 1505 CP(s32[1], s[1], tv_usec); 1506 sp = s; 1507 } else 1508 sp = NULL; 1509 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1510 sp, UIO_SYSSPACE)); 1511 } 1512 1513 int 1514 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1515 { 1516 struct timespec32 ts32[2]; 1517 struct timespec ts[2], *tsp; 1518 int error; 1519 1520 if (uap->times != NULL) { 1521 error = copyin(uap->times, ts32, sizeof(ts32)); 1522 if (error) 1523 return (error); 1524 CP(ts32[0], ts[0], tv_sec); 1525 CP(ts32[0], ts[0], tv_nsec); 1526 CP(ts32[1], ts[1], tv_sec); 1527 CP(ts32[1], ts[1], tv_nsec); 1528 tsp = ts; 1529 } else 1530 tsp = NULL; 1531 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1532 } 1533 1534 int 1535 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1536 { 1537 struct timespec32 ts32[2]; 1538 struct timespec ts[2], *tsp; 1539 int error; 1540 1541 if (uap->times != NULL) { 1542 error = copyin(uap->times, ts32, sizeof(ts32)); 1543 if (error) 1544 return (error); 1545 CP(ts32[0], ts[0], tv_sec); 1546 CP(ts32[0], ts[0], tv_nsec); 1547 CP(ts32[1], ts[1], tv_sec); 1548 CP(ts32[1], ts[1], tv_nsec); 1549 tsp = ts; 1550 } else 1551 tsp = NULL; 1552 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1553 tsp, UIO_SYSSPACE, uap->flag)); 1554 } 1555 1556 int 1557 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1558 { 1559 struct timeval32 tv32; 1560 struct timeval delta, olddelta, *deltap; 1561 int error; 1562 1563 if (uap->delta) { 1564 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1565 if (error) 1566 return (error); 1567 CP(tv32, delta, tv_sec); 1568 CP(tv32, delta, tv_usec); 1569 deltap = δ 1570 } else 1571 deltap = NULL; 1572 error = kern_adjtime(td, deltap, &olddelta); 1573 if (uap->olddelta && error == 0) { 1574 CP(olddelta, tv32, tv_sec); 1575 CP(olddelta, tv32, tv_usec); 1576 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1577 } 1578 return (error); 1579 } 1580 1581 #ifdef COMPAT_FREEBSD4 1582 int 1583 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1584 { 1585 struct statfs32 s32; 1586 struct statfs *sp; 1587 int error; 1588 1589 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1590 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1591 if (error == 0) { 1592 copy_statfs(sp, &s32); 1593 error = copyout(&s32, uap->buf, sizeof(s32)); 1594 } 1595 free(sp, M_STATFS); 1596 return (error); 1597 } 1598 #endif 1599 1600 #ifdef COMPAT_FREEBSD4 1601 int 1602 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1603 { 1604 struct statfs32 s32; 1605 struct statfs *sp; 1606 int error; 1607 1608 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1609 error = kern_fstatfs(td, uap->fd, sp); 1610 if (error == 0) { 1611 copy_statfs(sp, &s32); 1612 error = copyout(&s32, uap->buf, sizeof(s32)); 1613 } 1614 free(sp, M_STATFS); 1615 return (error); 1616 } 1617 #endif 1618 1619 #ifdef COMPAT_FREEBSD4 1620 int 1621 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1622 { 1623 struct statfs32 s32; 1624 struct statfs *sp; 1625 fhandle_t fh; 1626 int error; 1627 1628 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1629 return (error); 1630 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1631 error = kern_fhstatfs(td, fh, sp); 1632 if (error == 0) { 1633 copy_statfs(sp, &s32); 1634 error = copyout(&s32, uap->buf, sizeof(s32)); 1635 } 1636 free(sp, M_STATFS); 1637 return (error); 1638 } 1639 #endif 1640 1641 int 1642 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1643 { 1644 1645 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1646 PAIR32TO64(off_t, uap->offset))); 1647 } 1648 1649 int 1650 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1651 { 1652 1653 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1654 PAIR32TO64(off_t, uap->offset))); 1655 } 1656 1657 #ifdef COMPAT_43 1658 int 1659 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1660 { 1661 1662 return (kern_lseek(td, uap->fd, uap->offset, uap->whence)); 1663 } 1664 #endif 1665 1666 int 1667 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1668 { 1669 int error; 1670 off_t pos; 1671 1672 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1673 uap->whence); 1674 /* Expand the quad return into two parts for eax and edx */ 1675 pos = td->td_uretoff.tdu_off; 1676 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1677 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1678 return error; 1679 } 1680 1681 int 1682 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1683 { 1684 1685 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1686 PAIR32TO64(off_t, uap->length))); 1687 } 1688 1689 int 1690 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1691 { 1692 1693 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1694 } 1695 1696 #ifdef COMPAT_43 1697 int 1698 ofreebsd32_getdirentries(struct thread *td, 1699 struct ofreebsd32_getdirentries_args *uap) 1700 { 1701 struct ogetdirentries_args ap; 1702 int error; 1703 long loff; 1704 int32_t loff_cut; 1705 1706 ap.fd = uap->fd; 1707 ap.buf = uap->buf; 1708 ap.count = uap->count; 1709 ap.basep = NULL; 1710 error = kern_ogetdirentries(td, &ap, &loff); 1711 if (error == 0) { 1712 loff_cut = loff; 1713 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1714 } 1715 return (error); 1716 } 1717 #endif 1718 1719 #if defined(COMPAT_FREEBSD11) 1720 int 1721 freebsd11_freebsd32_getdirentries(struct thread *td, 1722 struct freebsd11_freebsd32_getdirentries_args *uap) 1723 { 1724 long base; 1725 int32_t base32; 1726 int error; 1727 1728 error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count, 1729 &base, NULL); 1730 if (error) 1731 return (error); 1732 if (uap->basep != NULL) { 1733 base32 = base; 1734 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1735 } 1736 return (error); 1737 } 1738 1739 int 1740 freebsd11_freebsd32_getdents(struct thread *td, 1741 struct freebsd11_freebsd32_getdents_args *uap) 1742 { 1743 struct freebsd11_freebsd32_getdirentries_args ap; 1744 1745 ap.fd = uap->fd; 1746 ap.buf = uap->buf; 1747 ap.count = uap->count; 1748 ap.basep = NULL; 1749 return (freebsd11_freebsd32_getdirentries(td, &ap)); 1750 } 1751 #endif /* COMPAT_FREEBSD11 */ 1752 1753 #ifdef COMPAT_FREEBSD6 1754 /* versions with the 'int pad' argument */ 1755 int 1756 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1757 { 1758 1759 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1760 PAIR32TO64(off_t, uap->offset))); 1761 } 1762 1763 int 1764 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1765 { 1766 1767 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1768 PAIR32TO64(off_t, uap->offset))); 1769 } 1770 1771 int 1772 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1773 { 1774 int error; 1775 off_t pos; 1776 1777 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1778 uap->whence); 1779 /* Expand the quad return into two parts for eax and edx */ 1780 pos = *(off_t *)(td->td_retval); 1781 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1782 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1783 return error; 1784 } 1785 1786 int 1787 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1788 { 1789 1790 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1791 PAIR32TO64(off_t, uap->length))); 1792 } 1793 1794 int 1795 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1796 { 1797 1798 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1799 } 1800 #endif /* COMPAT_FREEBSD6 */ 1801 1802 struct sf_hdtr32 { 1803 uint32_t headers; 1804 int hdr_cnt; 1805 uint32_t trailers; 1806 int trl_cnt; 1807 }; 1808 1809 static int 1810 freebsd32_do_sendfile(struct thread *td, 1811 struct freebsd32_sendfile_args *uap, int compat) 1812 { 1813 struct sf_hdtr32 hdtr32; 1814 struct sf_hdtr hdtr; 1815 struct uio *hdr_uio, *trl_uio; 1816 struct file *fp; 1817 cap_rights_t rights; 1818 struct iovec32 *iov32; 1819 off_t offset, sbytes; 1820 int error; 1821 1822 offset = PAIR32TO64(off_t, uap->offset); 1823 if (offset < 0) 1824 return (EINVAL); 1825 1826 hdr_uio = trl_uio = NULL; 1827 1828 if (uap->hdtr != NULL) { 1829 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1830 if (error) 1831 goto out; 1832 PTRIN_CP(hdtr32, hdtr, headers); 1833 CP(hdtr32, hdtr, hdr_cnt); 1834 PTRIN_CP(hdtr32, hdtr, trailers); 1835 CP(hdtr32, hdtr, trl_cnt); 1836 1837 if (hdtr.headers != NULL) { 1838 iov32 = PTRIN(hdtr32.headers); 1839 error = freebsd32_copyinuio(iov32, 1840 hdtr32.hdr_cnt, &hdr_uio); 1841 if (error) 1842 goto out; 1843 #ifdef COMPAT_FREEBSD4 1844 /* 1845 * In FreeBSD < 5.0 the nbytes to send also included 1846 * the header. If compat is specified subtract the 1847 * header size from nbytes. 1848 */ 1849 if (compat) { 1850 if (uap->nbytes > hdr_uio->uio_resid) 1851 uap->nbytes -= hdr_uio->uio_resid; 1852 else 1853 uap->nbytes = 0; 1854 } 1855 #endif 1856 } 1857 if (hdtr.trailers != NULL) { 1858 iov32 = PTRIN(hdtr32.trailers); 1859 error = freebsd32_copyinuio(iov32, 1860 hdtr32.trl_cnt, &trl_uio); 1861 if (error) 1862 goto out; 1863 } 1864 } 1865 1866 AUDIT_ARG_FD(uap->fd); 1867 1868 if ((error = fget_read(td, uap->fd, 1869 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1870 goto out; 1871 1872 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1873 uap->nbytes, &sbytes, uap->flags, td); 1874 fdrop(fp, td); 1875 1876 if (uap->sbytes != NULL) 1877 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1878 1879 out: 1880 if (hdr_uio) 1881 free(hdr_uio, M_IOV); 1882 if (trl_uio) 1883 free(trl_uio, M_IOV); 1884 return (error); 1885 } 1886 1887 #ifdef COMPAT_FREEBSD4 1888 int 1889 freebsd4_freebsd32_sendfile(struct thread *td, 1890 struct freebsd4_freebsd32_sendfile_args *uap) 1891 { 1892 return (freebsd32_do_sendfile(td, 1893 (struct freebsd32_sendfile_args *)uap, 1)); 1894 } 1895 #endif 1896 1897 int 1898 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1899 { 1900 1901 return (freebsd32_do_sendfile(td, uap, 0)); 1902 } 1903 1904 static void 1905 copy_stat(struct stat *in, struct stat32 *out) 1906 { 1907 1908 CP(*in, *out, st_dev); 1909 CP(*in, *out, st_ino); 1910 CP(*in, *out, st_mode); 1911 CP(*in, *out, st_nlink); 1912 CP(*in, *out, st_uid); 1913 CP(*in, *out, st_gid); 1914 CP(*in, *out, st_rdev); 1915 TS_CP(*in, *out, st_atim); 1916 TS_CP(*in, *out, st_mtim); 1917 TS_CP(*in, *out, st_ctim); 1918 CP(*in, *out, st_size); 1919 CP(*in, *out, st_blocks); 1920 CP(*in, *out, st_blksize); 1921 CP(*in, *out, st_flags); 1922 CP(*in, *out, st_gen); 1923 TS_CP(*in, *out, st_birthtim); 1924 out->st_padding0 = 0; 1925 out->st_padding1 = 0; 1926 #ifdef __STAT32_TIME_T_EXT 1927 out->st_atim_ext = 0; 1928 out->st_mtim_ext = 0; 1929 out->st_ctim_ext = 0; 1930 out->st_btim_ext = 0; 1931 #endif 1932 bzero(out->st_spare, sizeof(out->st_spare)); 1933 } 1934 1935 #ifdef COMPAT_43 1936 static void 1937 copy_ostat(struct stat *in, struct ostat32 *out) 1938 { 1939 1940 bzero(out, sizeof(*out)); 1941 CP(*in, *out, st_dev); 1942 CP(*in, *out, st_ino); 1943 CP(*in, *out, st_mode); 1944 CP(*in, *out, st_nlink); 1945 CP(*in, *out, st_uid); 1946 CP(*in, *out, st_gid); 1947 CP(*in, *out, st_rdev); 1948 out->st_size = MIN(in->st_size, INT32_MAX); 1949 TS_CP(*in, *out, st_atim); 1950 TS_CP(*in, *out, st_mtim); 1951 TS_CP(*in, *out, st_ctim); 1952 CP(*in, *out, st_blksize); 1953 CP(*in, *out, st_blocks); 1954 CP(*in, *out, st_flags); 1955 CP(*in, *out, st_gen); 1956 } 1957 #endif 1958 1959 #ifdef COMPAT_43 1960 int 1961 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1962 { 1963 struct stat sb; 1964 struct ostat32 sb32; 1965 int error; 1966 1967 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1968 &sb, NULL); 1969 if (error) 1970 return (error); 1971 copy_ostat(&sb, &sb32); 1972 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1973 return (error); 1974 } 1975 #endif 1976 1977 int 1978 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1979 { 1980 struct stat ub; 1981 struct stat32 ub32; 1982 int error; 1983 1984 error = kern_fstat(td, uap->fd, &ub); 1985 if (error) 1986 return (error); 1987 copy_stat(&ub, &ub32); 1988 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1989 return (error); 1990 } 1991 1992 #ifdef COMPAT_43 1993 int 1994 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1995 { 1996 struct stat ub; 1997 struct ostat32 ub32; 1998 int error; 1999 2000 error = kern_fstat(td, uap->fd, &ub); 2001 if (error) 2002 return (error); 2003 copy_ostat(&ub, &ub32); 2004 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2005 return (error); 2006 } 2007 #endif 2008 2009 int 2010 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2011 { 2012 struct stat ub; 2013 struct stat32 ub32; 2014 int error; 2015 2016 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 2017 &ub, NULL); 2018 if (error) 2019 return (error); 2020 copy_stat(&ub, &ub32); 2021 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2022 return (error); 2023 } 2024 2025 #ifdef COMPAT_43 2026 int 2027 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 2028 { 2029 struct stat sb; 2030 struct ostat32 sb32; 2031 int error; 2032 2033 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 2034 UIO_USERSPACE, &sb, NULL); 2035 if (error) 2036 return (error); 2037 copy_ostat(&sb, &sb32); 2038 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2039 return (error); 2040 } 2041 #endif 2042 2043 int 2044 freebsd32_fhstat(struct thread *td, struct freebsd32_fhstat_args *uap) 2045 { 2046 struct stat sb; 2047 struct stat32 sb32; 2048 struct fhandle fh; 2049 int error; 2050 2051 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t)); 2052 if (error != 0) 2053 return (error); 2054 error = kern_fhstat(td, fh, &sb); 2055 if (error != 0) 2056 return (error); 2057 copy_stat(&sb, &sb32); 2058 error = copyout(&sb32, uap->sb, sizeof (sb32)); 2059 return (error); 2060 } 2061 2062 #if defined(COMPAT_FREEBSD11) 2063 extern int ino64_trunc_error; 2064 2065 static int 2066 freebsd11_cvtstat32(struct stat *in, struct freebsd11_stat32 *out) 2067 { 2068 2069 CP(*in, *out, st_ino); 2070 if (in->st_ino != out->st_ino) { 2071 switch (ino64_trunc_error) { 2072 default: 2073 case 0: 2074 break; 2075 case 1: 2076 return (EOVERFLOW); 2077 case 2: 2078 out->st_ino = UINT32_MAX; 2079 break; 2080 } 2081 } 2082 CP(*in, *out, st_nlink); 2083 if (in->st_nlink != out->st_nlink) { 2084 switch (ino64_trunc_error) { 2085 default: 2086 case 0: 2087 break; 2088 case 1: 2089 return (EOVERFLOW); 2090 case 2: 2091 out->st_nlink = UINT16_MAX; 2092 break; 2093 } 2094 } 2095 out->st_dev = in->st_dev; 2096 if (out->st_dev != in->st_dev) { 2097 switch (ino64_trunc_error) { 2098 default: 2099 break; 2100 case 1: 2101 return (EOVERFLOW); 2102 } 2103 } 2104 CP(*in, *out, st_mode); 2105 CP(*in, *out, st_uid); 2106 CP(*in, *out, st_gid); 2107 out->st_rdev = in->st_rdev; 2108 if (out->st_rdev != in->st_rdev) { 2109 switch (ino64_trunc_error) { 2110 default: 2111 break; 2112 case 1: 2113 return (EOVERFLOW); 2114 } 2115 } 2116 TS_CP(*in, *out, st_atim); 2117 TS_CP(*in, *out, st_mtim); 2118 TS_CP(*in, *out, st_ctim); 2119 CP(*in, *out, st_size); 2120 CP(*in, *out, st_blocks); 2121 CP(*in, *out, st_blksize); 2122 CP(*in, *out, st_flags); 2123 CP(*in, *out, st_gen); 2124 TS_CP(*in, *out, st_birthtim); 2125 out->st_lspare = 0; 2126 bzero((char *)&out->st_birthtim + sizeof(out->st_birthtim), 2127 sizeof(*out) - offsetof(struct freebsd11_stat32, 2128 st_birthtim) - sizeof(out->st_birthtim)); 2129 return (0); 2130 } 2131 2132 int 2133 freebsd11_freebsd32_stat(struct thread *td, 2134 struct freebsd11_freebsd32_stat_args *uap) 2135 { 2136 struct stat sb; 2137 struct freebsd11_stat32 sb32; 2138 int error; 2139 2140 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 2141 &sb, NULL); 2142 if (error != 0) 2143 return (error); 2144 error = freebsd11_cvtstat32(&sb, &sb32); 2145 if (error == 0) 2146 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2147 return (error); 2148 } 2149 2150 int 2151 freebsd11_freebsd32_fstat(struct thread *td, 2152 struct freebsd11_freebsd32_fstat_args *uap) 2153 { 2154 struct stat sb; 2155 struct freebsd11_stat32 sb32; 2156 int error; 2157 2158 error = kern_fstat(td, uap->fd, &sb); 2159 if (error != 0) 2160 return (error); 2161 error = freebsd11_cvtstat32(&sb, &sb32); 2162 if (error == 0) 2163 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2164 return (error); 2165 } 2166 2167 int 2168 freebsd11_freebsd32_fstatat(struct thread *td, 2169 struct freebsd11_freebsd32_fstatat_args *uap) 2170 { 2171 struct stat sb; 2172 struct freebsd11_stat32 sb32; 2173 int error; 2174 2175 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 2176 &sb, NULL); 2177 if (error != 0) 2178 return (error); 2179 error = freebsd11_cvtstat32(&sb, &sb32); 2180 if (error == 0) 2181 error = copyout(&sb32, uap->buf, sizeof (sb32)); 2182 return (error); 2183 } 2184 2185 int 2186 freebsd11_freebsd32_lstat(struct thread *td, 2187 struct freebsd11_freebsd32_lstat_args *uap) 2188 { 2189 struct stat sb; 2190 struct freebsd11_stat32 sb32; 2191 int error; 2192 2193 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 2194 UIO_USERSPACE, &sb, NULL); 2195 if (error != 0) 2196 return (error); 2197 error = freebsd11_cvtstat32(&sb, &sb32); 2198 if (error == 0) 2199 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2200 return (error); 2201 } 2202 2203 int 2204 freebsd11_freebsd32_fhstat(struct thread *td, 2205 struct freebsd11_freebsd32_fhstat_args *uap) 2206 { 2207 struct stat sb; 2208 struct freebsd11_stat32 sb32; 2209 struct fhandle fh; 2210 int error; 2211 2212 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t)); 2213 if (error != 0) 2214 return (error); 2215 error = kern_fhstat(td, fh, &sb); 2216 if (error != 0) 2217 return (error); 2218 error = freebsd11_cvtstat32(&sb, &sb32); 2219 if (error == 0) 2220 error = copyout(&sb32, uap->sb, sizeof (sb32)); 2221 return (error); 2222 } 2223 #endif 2224 2225 int 2226 freebsd32___sysctl(struct thread *td, struct freebsd32___sysctl_args *uap) 2227 { 2228 int error, name[CTL_MAXNAME]; 2229 size_t j, oldlen; 2230 uint32_t tmp; 2231 2232 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2233 return (EINVAL); 2234 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2235 if (error) 2236 return (error); 2237 if (uap->oldlenp) { 2238 error = fueword32(uap->oldlenp, &tmp); 2239 oldlen = tmp; 2240 } else { 2241 oldlen = 0; 2242 } 2243 if (error != 0) 2244 return (EFAULT); 2245 error = userland_sysctl(td, name, uap->namelen, 2246 uap->old, &oldlen, 1, 2247 uap->new, uap->newlen, &j, SCTL_MASK32); 2248 if (error) 2249 return (error); 2250 if (uap->oldlenp) 2251 suword32(uap->oldlenp, j); 2252 return (0); 2253 } 2254 2255 int 2256 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2257 { 2258 uint32_t version; 2259 int error; 2260 struct jail j; 2261 2262 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2263 if (error) 2264 return (error); 2265 2266 switch (version) { 2267 case 0: 2268 { 2269 /* FreeBSD single IPv4 jails. */ 2270 struct jail32_v0 j32_v0; 2271 2272 bzero(&j, sizeof(struct jail)); 2273 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2274 if (error) 2275 return (error); 2276 CP(j32_v0, j, version); 2277 PTRIN_CP(j32_v0, j, path); 2278 PTRIN_CP(j32_v0, j, hostname); 2279 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 2280 break; 2281 } 2282 2283 case 1: 2284 /* 2285 * Version 1 was used by multi-IPv4 jail implementations 2286 * that never made it into the official kernel. 2287 */ 2288 return (EINVAL); 2289 2290 case 2: /* JAIL_API_VERSION */ 2291 { 2292 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2293 struct jail32 j32; 2294 2295 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2296 if (error) 2297 return (error); 2298 CP(j32, j, version); 2299 PTRIN_CP(j32, j, path); 2300 PTRIN_CP(j32, j, hostname); 2301 PTRIN_CP(j32, j, jailname); 2302 CP(j32, j, ip4s); 2303 CP(j32, j, ip6s); 2304 PTRIN_CP(j32, j, ip4); 2305 PTRIN_CP(j32, j, ip6); 2306 break; 2307 } 2308 2309 default: 2310 /* Sci-Fi jails are not supported, sorry. */ 2311 return (EINVAL); 2312 } 2313 return (kern_jail(td, &j)); 2314 } 2315 2316 int 2317 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2318 { 2319 struct uio *auio; 2320 int error; 2321 2322 /* Check that we have an even number of iovecs. */ 2323 if (uap->iovcnt & 1) 2324 return (EINVAL); 2325 2326 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2327 if (error) 2328 return (error); 2329 error = kern_jail_set(td, auio, uap->flags); 2330 free(auio, M_IOV); 2331 return (error); 2332 } 2333 2334 int 2335 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2336 { 2337 struct iovec32 iov32; 2338 struct uio *auio; 2339 int error, i; 2340 2341 /* Check that we have an even number of iovecs. */ 2342 if (uap->iovcnt & 1) 2343 return (EINVAL); 2344 2345 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2346 if (error) 2347 return (error); 2348 error = kern_jail_get(td, auio, uap->flags); 2349 if (error == 0) 2350 for (i = 0; i < uap->iovcnt; i++) { 2351 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2352 CP(auio->uio_iov[i], iov32, iov_len); 2353 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2354 if (error != 0) 2355 break; 2356 } 2357 free(auio, M_IOV); 2358 return (error); 2359 } 2360 2361 int 2362 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2363 { 2364 struct sigaction32 s32; 2365 struct sigaction sa, osa, *sap; 2366 int error; 2367 2368 if (uap->act) { 2369 error = copyin(uap->act, &s32, sizeof(s32)); 2370 if (error) 2371 return (error); 2372 sa.sa_handler = PTRIN(s32.sa_u); 2373 CP(s32, sa, sa_flags); 2374 CP(s32, sa, sa_mask); 2375 sap = &sa; 2376 } else 2377 sap = NULL; 2378 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2379 if (error == 0 && uap->oact != NULL) { 2380 s32.sa_u = PTROUT(osa.sa_handler); 2381 CP(osa, s32, sa_flags); 2382 CP(osa, s32, sa_mask); 2383 error = copyout(&s32, uap->oact, sizeof(s32)); 2384 } 2385 return (error); 2386 } 2387 2388 #ifdef COMPAT_FREEBSD4 2389 int 2390 freebsd4_freebsd32_sigaction(struct thread *td, 2391 struct freebsd4_freebsd32_sigaction_args *uap) 2392 { 2393 struct sigaction32 s32; 2394 struct sigaction sa, osa, *sap; 2395 int error; 2396 2397 if (uap->act) { 2398 error = copyin(uap->act, &s32, sizeof(s32)); 2399 if (error) 2400 return (error); 2401 sa.sa_handler = PTRIN(s32.sa_u); 2402 CP(s32, sa, sa_flags); 2403 CP(s32, sa, sa_mask); 2404 sap = &sa; 2405 } else 2406 sap = NULL; 2407 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2408 if (error == 0 && uap->oact != NULL) { 2409 s32.sa_u = PTROUT(osa.sa_handler); 2410 CP(osa, s32, sa_flags); 2411 CP(osa, s32, sa_mask); 2412 error = copyout(&s32, uap->oact, sizeof(s32)); 2413 } 2414 return (error); 2415 } 2416 #endif 2417 2418 #ifdef COMPAT_43 2419 struct osigaction32 { 2420 u_int32_t sa_u; 2421 osigset_t sa_mask; 2422 int sa_flags; 2423 }; 2424 2425 #define ONSIG 32 2426 2427 int 2428 ofreebsd32_sigaction(struct thread *td, 2429 struct ofreebsd32_sigaction_args *uap) 2430 { 2431 struct osigaction32 s32; 2432 struct sigaction sa, osa, *sap; 2433 int error; 2434 2435 if (uap->signum <= 0 || uap->signum >= ONSIG) 2436 return (EINVAL); 2437 2438 if (uap->nsa) { 2439 error = copyin(uap->nsa, &s32, sizeof(s32)); 2440 if (error) 2441 return (error); 2442 sa.sa_handler = PTRIN(s32.sa_u); 2443 CP(s32, sa, sa_flags); 2444 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2445 sap = &sa; 2446 } else 2447 sap = NULL; 2448 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2449 if (error == 0 && uap->osa != NULL) { 2450 s32.sa_u = PTROUT(osa.sa_handler); 2451 CP(osa, s32, sa_flags); 2452 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2453 error = copyout(&s32, uap->osa, sizeof(s32)); 2454 } 2455 return (error); 2456 } 2457 2458 int 2459 ofreebsd32_sigprocmask(struct thread *td, 2460 struct ofreebsd32_sigprocmask_args *uap) 2461 { 2462 sigset_t set, oset; 2463 int error; 2464 2465 OSIG2SIG(uap->mask, set); 2466 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2467 SIG2OSIG(oset, td->td_retval[0]); 2468 return (error); 2469 } 2470 2471 int 2472 ofreebsd32_sigpending(struct thread *td, 2473 struct ofreebsd32_sigpending_args *uap) 2474 { 2475 struct proc *p = td->td_proc; 2476 sigset_t siglist; 2477 2478 PROC_LOCK(p); 2479 siglist = p->p_siglist; 2480 SIGSETOR(siglist, td->td_siglist); 2481 PROC_UNLOCK(p); 2482 SIG2OSIG(siglist, td->td_retval[0]); 2483 return (0); 2484 } 2485 2486 struct sigvec32 { 2487 u_int32_t sv_handler; 2488 int sv_mask; 2489 int sv_flags; 2490 }; 2491 2492 int 2493 ofreebsd32_sigvec(struct thread *td, 2494 struct ofreebsd32_sigvec_args *uap) 2495 { 2496 struct sigvec32 vec; 2497 struct sigaction sa, osa, *sap; 2498 int error; 2499 2500 if (uap->signum <= 0 || uap->signum >= ONSIG) 2501 return (EINVAL); 2502 2503 if (uap->nsv) { 2504 error = copyin(uap->nsv, &vec, sizeof(vec)); 2505 if (error) 2506 return (error); 2507 sa.sa_handler = PTRIN(vec.sv_handler); 2508 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2509 sa.sa_flags = vec.sv_flags; 2510 sa.sa_flags ^= SA_RESTART; 2511 sap = &sa; 2512 } else 2513 sap = NULL; 2514 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2515 if (error == 0 && uap->osv != NULL) { 2516 vec.sv_handler = PTROUT(osa.sa_handler); 2517 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2518 vec.sv_flags = osa.sa_flags; 2519 vec.sv_flags &= ~SA_NOCLDWAIT; 2520 vec.sv_flags ^= SA_RESTART; 2521 error = copyout(&vec, uap->osv, sizeof(vec)); 2522 } 2523 return (error); 2524 } 2525 2526 int 2527 ofreebsd32_sigblock(struct thread *td, 2528 struct ofreebsd32_sigblock_args *uap) 2529 { 2530 sigset_t set, oset; 2531 2532 OSIG2SIG(uap->mask, set); 2533 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2534 SIG2OSIG(oset, td->td_retval[0]); 2535 return (0); 2536 } 2537 2538 int 2539 ofreebsd32_sigsetmask(struct thread *td, 2540 struct ofreebsd32_sigsetmask_args *uap) 2541 { 2542 sigset_t set, oset; 2543 2544 OSIG2SIG(uap->mask, set); 2545 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2546 SIG2OSIG(oset, td->td_retval[0]); 2547 return (0); 2548 } 2549 2550 int 2551 ofreebsd32_sigsuspend(struct thread *td, 2552 struct ofreebsd32_sigsuspend_args *uap) 2553 { 2554 sigset_t mask; 2555 2556 OSIG2SIG(uap->mask, mask); 2557 return (kern_sigsuspend(td, mask)); 2558 } 2559 2560 struct sigstack32 { 2561 u_int32_t ss_sp; 2562 int ss_onstack; 2563 }; 2564 2565 int 2566 ofreebsd32_sigstack(struct thread *td, 2567 struct ofreebsd32_sigstack_args *uap) 2568 { 2569 struct sigstack32 s32; 2570 struct sigstack nss, oss; 2571 int error = 0, unss; 2572 2573 if (uap->nss != NULL) { 2574 error = copyin(uap->nss, &s32, sizeof(s32)); 2575 if (error) 2576 return (error); 2577 nss.ss_sp = PTRIN(s32.ss_sp); 2578 CP(s32, nss, ss_onstack); 2579 unss = 1; 2580 } else { 2581 unss = 0; 2582 } 2583 oss.ss_sp = td->td_sigstk.ss_sp; 2584 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2585 if (unss) { 2586 td->td_sigstk.ss_sp = nss.ss_sp; 2587 td->td_sigstk.ss_size = 0; 2588 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2589 td->td_pflags |= TDP_ALTSTACK; 2590 } 2591 if (uap->oss != NULL) { 2592 s32.ss_sp = PTROUT(oss.ss_sp); 2593 CP(oss, s32, ss_onstack); 2594 error = copyout(&s32, uap->oss, sizeof(s32)); 2595 } 2596 return (error); 2597 } 2598 #endif 2599 2600 int 2601 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2602 { 2603 2604 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME, 2605 TIMER_RELTIME, uap->rqtp, uap->rmtp)); 2606 } 2607 2608 int 2609 freebsd32_clock_nanosleep(struct thread *td, 2610 struct freebsd32_clock_nanosleep_args *uap) 2611 { 2612 int error; 2613 2614 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags, 2615 uap->rqtp, uap->rmtp); 2616 return (kern_posix_error(td, error)); 2617 } 2618 2619 static int 2620 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id, 2621 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp) 2622 { 2623 struct timespec32 rmt32, rqt32; 2624 struct timespec rmt, rqt; 2625 int error; 2626 2627 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32)); 2628 if (error) 2629 return (error); 2630 2631 CP(rqt32, rqt, tv_sec); 2632 CP(rqt32, rqt, tv_nsec); 2633 2634 if (ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0 && 2635 !useracc(ua_rmtp, sizeof(rmt32), VM_PROT_WRITE)) 2636 return (EFAULT); 2637 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt); 2638 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) { 2639 int error2; 2640 2641 CP(rmt, rmt32, tv_sec); 2642 CP(rmt, rmt32, tv_nsec); 2643 2644 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32)); 2645 if (error2) 2646 error = error2; 2647 } 2648 return (error); 2649 } 2650 2651 int 2652 freebsd32_clock_gettime(struct thread *td, 2653 struct freebsd32_clock_gettime_args *uap) 2654 { 2655 struct timespec ats; 2656 struct timespec32 ats32; 2657 int error; 2658 2659 error = kern_clock_gettime(td, uap->clock_id, &ats); 2660 if (error == 0) { 2661 CP(ats, ats32, tv_sec); 2662 CP(ats, ats32, tv_nsec); 2663 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2664 } 2665 return (error); 2666 } 2667 2668 int 2669 freebsd32_clock_settime(struct thread *td, 2670 struct freebsd32_clock_settime_args *uap) 2671 { 2672 struct timespec ats; 2673 struct timespec32 ats32; 2674 int error; 2675 2676 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2677 if (error) 2678 return (error); 2679 CP(ats32, ats, tv_sec); 2680 CP(ats32, ats, tv_nsec); 2681 2682 return (kern_clock_settime(td, uap->clock_id, &ats)); 2683 } 2684 2685 int 2686 freebsd32_clock_getres(struct thread *td, 2687 struct freebsd32_clock_getres_args *uap) 2688 { 2689 struct timespec ts; 2690 struct timespec32 ts32; 2691 int error; 2692 2693 if (uap->tp == NULL) 2694 return (0); 2695 error = kern_clock_getres(td, uap->clock_id, &ts); 2696 if (error == 0) { 2697 CP(ts, ts32, tv_sec); 2698 CP(ts, ts32, tv_nsec); 2699 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2700 } 2701 return (error); 2702 } 2703 2704 int freebsd32_ktimer_create(struct thread *td, 2705 struct freebsd32_ktimer_create_args *uap) 2706 { 2707 struct sigevent32 ev32; 2708 struct sigevent ev, *evp; 2709 int error, id; 2710 2711 if (uap->evp == NULL) { 2712 evp = NULL; 2713 } else { 2714 evp = &ev; 2715 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2716 if (error != 0) 2717 return (error); 2718 error = convert_sigevent32(&ev32, &ev); 2719 if (error != 0) 2720 return (error); 2721 } 2722 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2723 if (error == 0) { 2724 error = copyout(&id, uap->timerid, sizeof(int)); 2725 if (error != 0) 2726 kern_ktimer_delete(td, id); 2727 } 2728 return (error); 2729 } 2730 2731 int 2732 freebsd32_ktimer_settime(struct thread *td, 2733 struct freebsd32_ktimer_settime_args *uap) 2734 { 2735 struct itimerspec32 val32, oval32; 2736 struct itimerspec val, oval, *ovalp; 2737 int error; 2738 2739 error = copyin(uap->value, &val32, sizeof(val32)); 2740 if (error != 0) 2741 return (error); 2742 ITS_CP(val32, val); 2743 ovalp = uap->ovalue != NULL ? &oval : NULL; 2744 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2745 if (error == 0 && uap->ovalue != NULL) { 2746 ITS_CP(oval, oval32); 2747 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2748 } 2749 return (error); 2750 } 2751 2752 int 2753 freebsd32_ktimer_gettime(struct thread *td, 2754 struct freebsd32_ktimer_gettime_args *uap) 2755 { 2756 struct itimerspec32 val32; 2757 struct itimerspec val; 2758 int error; 2759 2760 error = kern_ktimer_gettime(td, uap->timerid, &val); 2761 if (error == 0) { 2762 ITS_CP(val, val32); 2763 error = copyout(&val32, uap->value, sizeof(val32)); 2764 } 2765 return (error); 2766 } 2767 2768 int 2769 freebsd32_clock_getcpuclockid2(struct thread *td, 2770 struct freebsd32_clock_getcpuclockid2_args *uap) 2771 { 2772 clockid_t clk_id; 2773 int error; 2774 2775 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2776 uap->which, &clk_id); 2777 if (error == 0) 2778 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2779 return (error); 2780 } 2781 2782 int 2783 freebsd32_thr_new(struct thread *td, 2784 struct freebsd32_thr_new_args *uap) 2785 { 2786 struct thr_param32 param32; 2787 struct thr_param param; 2788 int error; 2789 2790 if (uap->param_size < 0 || 2791 uap->param_size > sizeof(struct thr_param32)) 2792 return (EINVAL); 2793 bzero(¶m, sizeof(struct thr_param)); 2794 bzero(¶m32, sizeof(struct thr_param32)); 2795 error = copyin(uap->param, ¶m32, uap->param_size); 2796 if (error != 0) 2797 return (error); 2798 param.start_func = PTRIN(param32.start_func); 2799 param.arg = PTRIN(param32.arg); 2800 param.stack_base = PTRIN(param32.stack_base); 2801 param.stack_size = param32.stack_size; 2802 param.tls_base = PTRIN(param32.tls_base); 2803 param.tls_size = param32.tls_size; 2804 param.child_tid = PTRIN(param32.child_tid); 2805 param.parent_tid = PTRIN(param32.parent_tid); 2806 param.flags = param32.flags; 2807 param.rtp = PTRIN(param32.rtp); 2808 param.spare[0] = PTRIN(param32.spare[0]); 2809 param.spare[1] = PTRIN(param32.spare[1]); 2810 param.spare[2] = PTRIN(param32.spare[2]); 2811 2812 return (kern_thr_new(td, ¶m)); 2813 } 2814 2815 int 2816 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2817 { 2818 struct timespec32 ts32; 2819 struct timespec ts, *tsp; 2820 int error; 2821 2822 error = 0; 2823 tsp = NULL; 2824 if (uap->timeout != NULL) { 2825 error = copyin((const void *)uap->timeout, (void *)&ts32, 2826 sizeof(struct timespec32)); 2827 if (error != 0) 2828 return (error); 2829 ts.tv_sec = ts32.tv_sec; 2830 ts.tv_nsec = ts32.tv_nsec; 2831 tsp = &ts; 2832 } 2833 return (kern_thr_suspend(td, tsp)); 2834 } 2835 2836 void 2837 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2838 { 2839 bzero(dst, sizeof(*dst)); 2840 dst->si_signo = src->si_signo; 2841 dst->si_errno = src->si_errno; 2842 dst->si_code = src->si_code; 2843 dst->si_pid = src->si_pid; 2844 dst->si_uid = src->si_uid; 2845 dst->si_status = src->si_status; 2846 dst->si_addr = (uintptr_t)src->si_addr; 2847 dst->si_value.sival_int = src->si_value.sival_int; 2848 dst->si_timerid = src->si_timerid; 2849 dst->si_overrun = src->si_overrun; 2850 } 2851 2852 #ifndef _FREEBSD32_SYSPROTO_H_ 2853 struct freebsd32_sigqueue_args { 2854 pid_t pid; 2855 int signum; 2856 /* union sigval32 */ int value; 2857 }; 2858 #endif 2859 int 2860 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap) 2861 { 2862 union sigval sv; 2863 2864 /* 2865 * On 32-bit ABIs, sival_int and sival_ptr are the same. 2866 * On 64-bit little-endian ABIs, the low bits are the same. 2867 * In 64-bit big-endian ABIs, sival_int overlaps with 2868 * sival_ptr's HIGH bits. We choose to support sival_int 2869 * rather than sival_ptr in this case as it seems to be 2870 * more common. 2871 */ 2872 bzero(&sv, sizeof(sv)); 2873 sv.sival_int = uap->value; 2874 2875 return (kern_sigqueue(td, uap->pid, uap->signum, &sv)); 2876 } 2877 2878 int 2879 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2880 { 2881 struct timespec32 ts32; 2882 struct timespec ts; 2883 struct timespec *timeout; 2884 sigset_t set; 2885 ksiginfo_t ksi; 2886 struct siginfo32 si32; 2887 int error; 2888 2889 if (uap->timeout) { 2890 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2891 if (error) 2892 return (error); 2893 ts.tv_sec = ts32.tv_sec; 2894 ts.tv_nsec = ts32.tv_nsec; 2895 timeout = &ts; 2896 } else 2897 timeout = NULL; 2898 2899 error = copyin(uap->set, &set, sizeof(set)); 2900 if (error) 2901 return (error); 2902 2903 error = kern_sigtimedwait(td, set, &ksi, timeout); 2904 if (error) 2905 return (error); 2906 2907 if (uap->info) { 2908 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2909 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2910 } 2911 2912 if (error == 0) 2913 td->td_retval[0] = ksi.ksi_signo; 2914 return (error); 2915 } 2916 2917 /* 2918 * MPSAFE 2919 */ 2920 int 2921 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2922 { 2923 ksiginfo_t ksi; 2924 struct siginfo32 si32; 2925 sigset_t set; 2926 int error; 2927 2928 error = copyin(uap->set, &set, sizeof(set)); 2929 if (error) 2930 return (error); 2931 2932 error = kern_sigtimedwait(td, set, &ksi, NULL); 2933 if (error) 2934 return (error); 2935 2936 if (uap->info) { 2937 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2938 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2939 } 2940 if (error == 0) 2941 td->td_retval[0] = ksi.ksi_signo; 2942 return (error); 2943 } 2944 2945 int 2946 freebsd32_cpuset_setid(struct thread *td, 2947 struct freebsd32_cpuset_setid_args *uap) 2948 { 2949 2950 return (kern_cpuset_setid(td, uap->which, 2951 PAIR32TO64(id_t, uap->id), uap->setid)); 2952 } 2953 2954 int 2955 freebsd32_cpuset_getid(struct thread *td, 2956 struct freebsd32_cpuset_getid_args *uap) 2957 { 2958 2959 return (kern_cpuset_getid(td, uap->level, uap->which, 2960 PAIR32TO64(id_t, uap->id), uap->setid)); 2961 } 2962 2963 int 2964 freebsd32_cpuset_getaffinity(struct thread *td, 2965 struct freebsd32_cpuset_getaffinity_args *uap) 2966 { 2967 2968 return (kern_cpuset_getaffinity(td, uap->level, uap->which, 2969 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2970 } 2971 2972 int 2973 freebsd32_cpuset_setaffinity(struct thread *td, 2974 struct freebsd32_cpuset_setaffinity_args *uap) 2975 { 2976 2977 return (kern_cpuset_setaffinity(td, uap->level, uap->which, 2978 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2979 } 2980 2981 int 2982 freebsd32_cpuset_getdomain(struct thread *td, 2983 struct freebsd32_cpuset_getdomain_args *uap) 2984 { 2985 2986 return (kern_cpuset_getdomain(td, uap->level, uap->which, 2987 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy)); 2988 } 2989 2990 int 2991 freebsd32_cpuset_setdomain(struct thread *td, 2992 struct freebsd32_cpuset_setdomain_args *uap) 2993 { 2994 2995 return (kern_cpuset_setdomain(td, uap->level, uap->which, 2996 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy)); 2997 } 2998 2999 int 3000 freebsd32_nmount(struct thread *td, 3001 struct freebsd32_nmount_args /* { 3002 struct iovec *iovp; 3003 unsigned int iovcnt; 3004 int flags; 3005 } */ *uap) 3006 { 3007 struct uio *auio; 3008 uint64_t flags; 3009 int error; 3010 3011 /* 3012 * Mount flags are now 64-bits. On 32-bit archtectures only 3013 * 32-bits are passed in, but from here on everything handles 3014 * 64-bit flags correctly. 3015 */ 3016 flags = uap->flags; 3017 3018 AUDIT_ARG_FFLAGS(flags); 3019 3020 /* 3021 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 3022 * userspace to set this flag, but we must filter it out if we want 3023 * MNT_UPDATE on the root file system to work. 3024 * MNT_ROOTFS should only be set by the kernel when mounting its 3025 * root file system. 3026 */ 3027 flags &= ~MNT_ROOTFS; 3028 3029 /* 3030 * check that we have an even number of iovec's 3031 * and that we have at least two options. 3032 */ 3033 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 3034 return (EINVAL); 3035 3036 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 3037 if (error) 3038 return (error); 3039 error = vfs_donmount(td, flags, auio); 3040 3041 free(auio, M_IOV); 3042 return error; 3043 } 3044 3045 #if 0 3046 int 3047 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 3048 { 3049 struct yyy32 *p32, s32; 3050 struct yyy *p = NULL, s; 3051 struct xxx_arg ap; 3052 int error; 3053 3054 if (uap->zzz) { 3055 error = copyin(uap->zzz, &s32, sizeof(s32)); 3056 if (error) 3057 return (error); 3058 /* translate in */ 3059 p = &s; 3060 } 3061 error = kern_xxx(td, p); 3062 if (error) 3063 return (error); 3064 if (uap->zzz) { 3065 /* translate out */ 3066 error = copyout(&s32, p32, sizeof(s32)); 3067 } 3068 return (error); 3069 } 3070 #endif 3071 3072 int 3073 syscall32_module_handler(struct module *mod, int what, void *arg) 3074 { 3075 3076 return (kern_syscall_module_handler(freebsd32_sysent, mod, what, arg)); 3077 } 3078 3079 int 3080 syscall32_helper_register(struct syscall_helper_data *sd, int flags) 3081 { 3082 3083 return (kern_syscall_helper_register(freebsd32_sysent, sd, flags)); 3084 } 3085 3086 int 3087 syscall32_helper_unregister(struct syscall_helper_data *sd) 3088 { 3089 3090 return (kern_syscall_helper_unregister(freebsd32_sysent, sd)); 3091 } 3092 3093 register_t * 3094 freebsd32_copyout_strings(struct image_params *imgp) 3095 { 3096 int argc, envc, i; 3097 u_int32_t *vectp; 3098 char *stringp; 3099 uintptr_t destp; 3100 u_int32_t *stack_base; 3101 struct freebsd32_ps_strings *arginfo; 3102 char canary[sizeof(long) * 8]; 3103 int32_t pagesizes32[MAXPAGESIZES]; 3104 size_t execpath_len; 3105 int szsigcode; 3106 3107 /* 3108 * Calculate string base and vector table pointers. 3109 * Also deal with signal trampoline code for this exec type. 3110 */ 3111 if (imgp->execpath != NULL && imgp->auxargs != NULL) 3112 execpath_len = strlen(imgp->execpath) + 1; 3113 else 3114 execpath_len = 0; 3115 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 3116 sv_psstrings; 3117 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 3118 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 3119 else 3120 szsigcode = 0; 3121 destp = (uintptr_t)arginfo; 3122 3123 /* 3124 * install sigcode 3125 */ 3126 if (szsigcode != 0) { 3127 destp -= szsigcode; 3128 destp = rounddown2(destp, sizeof(uint32_t)); 3129 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 3130 szsigcode); 3131 } 3132 3133 /* 3134 * Copy the image path for the rtld. 3135 */ 3136 if (execpath_len != 0) { 3137 destp -= execpath_len; 3138 imgp->execpathp = destp; 3139 copyout(imgp->execpath, (void *)destp, execpath_len); 3140 } 3141 3142 /* 3143 * Prepare the canary for SSP. 3144 */ 3145 arc4rand(canary, sizeof(canary), 0); 3146 destp -= sizeof(canary); 3147 imgp->canary = destp; 3148 copyout(canary, (void *)destp, sizeof(canary)); 3149 imgp->canarylen = sizeof(canary); 3150 3151 /* 3152 * Prepare the pagesizes array. 3153 */ 3154 for (i = 0; i < MAXPAGESIZES; i++) 3155 pagesizes32[i] = (uint32_t)pagesizes[i]; 3156 destp -= sizeof(pagesizes32); 3157 destp = rounddown2(destp, sizeof(uint32_t)); 3158 imgp->pagesizes = destp; 3159 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 3160 imgp->pagesizeslen = sizeof(pagesizes32); 3161 3162 destp -= ARG_MAX - imgp->args->stringspace; 3163 destp = rounddown2(destp, sizeof(uint32_t)); 3164 3165 vectp = (uint32_t *)destp; 3166 if (imgp->auxargs) { 3167 /* 3168 * Allocate room on the stack for the ELF auxargs 3169 * array. It has up to AT_COUNT entries. 3170 */ 3171 vectp -= howmany(AT_COUNT * sizeof(Elf32_Auxinfo), 3172 sizeof(*vectp)); 3173 } 3174 3175 /* 3176 * Allocate room for the argv[] and env vectors including the 3177 * terminating NULL pointers. 3178 */ 3179 vectp -= imgp->args->argc + 1 + imgp->args->envc + 1; 3180 3181 /* 3182 * vectp also becomes our initial stack base 3183 */ 3184 stack_base = vectp; 3185 3186 stringp = imgp->args->begin_argv; 3187 argc = imgp->args->argc; 3188 envc = imgp->args->envc; 3189 /* 3190 * Copy out strings - arguments and environment. 3191 */ 3192 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 3193 3194 /* 3195 * Fill in "ps_strings" struct for ps, w, etc. 3196 */ 3197 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 3198 suword32(&arginfo->ps_nargvstr, argc); 3199 3200 /* 3201 * Fill in argument portion of vector table. 3202 */ 3203 for (; argc > 0; --argc) { 3204 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3205 while (*stringp++ != 0) 3206 destp++; 3207 destp++; 3208 } 3209 3210 /* a null vector table pointer separates the argp's from the envp's */ 3211 suword32(vectp++, 0); 3212 3213 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 3214 suword32(&arginfo->ps_nenvstr, envc); 3215 3216 /* 3217 * Fill in environment portion of vector table. 3218 */ 3219 for (; envc > 0; --envc) { 3220 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3221 while (*stringp++ != 0) 3222 destp++; 3223 destp++; 3224 } 3225 3226 /* end of vector table is a null pointer */ 3227 suword32(vectp, 0); 3228 3229 return ((register_t *)stack_base); 3230 } 3231 3232 int 3233 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 3234 { 3235 struct kld_file_stat *stat; 3236 struct kld32_file_stat *stat32; 3237 int error, version; 3238 3239 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 3240 != 0) 3241 return (error); 3242 if (version != sizeof(struct kld32_file_stat_1) && 3243 version != sizeof(struct kld32_file_stat)) 3244 return (EINVAL); 3245 3246 stat = malloc(sizeof(*stat), M_TEMP, M_WAITOK | M_ZERO); 3247 stat32 = malloc(sizeof(*stat32), M_TEMP, M_WAITOK | M_ZERO); 3248 error = kern_kldstat(td, uap->fileid, stat); 3249 if (error == 0) { 3250 bcopy(&stat->name[0], &stat32->name[0], sizeof(stat->name)); 3251 CP(*stat, *stat32, refs); 3252 CP(*stat, *stat32, id); 3253 PTROUT_CP(*stat, *stat32, address); 3254 CP(*stat, *stat32, size); 3255 bcopy(&stat->pathname[0], &stat32->pathname[0], 3256 sizeof(stat->pathname)); 3257 stat32->version = version; 3258 error = copyout(stat32, uap->stat, version); 3259 } 3260 free(stat, M_TEMP); 3261 free(stat32, M_TEMP); 3262 return (error); 3263 } 3264 3265 int 3266 freebsd32_posix_fallocate(struct thread *td, 3267 struct freebsd32_posix_fallocate_args *uap) 3268 { 3269 int error; 3270 3271 error = kern_posix_fallocate(td, uap->fd, 3272 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3273 return (kern_posix_error(td, error)); 3274 } 3275 3276 int 3277 freebsd32_posix_fadvise(struct thread *td, 3278 struct freebsd32_posix_fadvise_args *uap) 3279 { 3280 int error; 3281 3282 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 3283 PAIR32TO64(off_t, uap->len), uap->advice); 3284 return (kern_posix_error(td, error)); 3285 } 3286 3287 int 3288 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3289 { 3290 3291 CP(*sig32, *sig, sigev_notify); 3292 switch (sig->sigev_notify) { 3293 case SIGEV_NONE: 3294 break; 3295 case SIGEV_THREAD_ID: 3296 CP(*sig32, *sig, sigev_notify_thread_id); 3297 /* FALLTHROUGH */ 3298 case SIGEV_SIGNAL: 3299 CP(*sig32, *sig, sigev_signo); 3300 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3301 break; 3302 case SIGEV_KEVENT: 3303 CP(*sig32, *sig, sigev_notify_kqueue); 3304 CP(*sig32, *sig, sigev_notify_kevent_flags); 3305 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3306 break; 3307 default: 3308 return (EINVAL); 3309 } 3310 return (0); 3311 } 3312 3313 int 3314 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3315 { 3316 void *data; 3317 union { 3318 struct procctl_reaper_status rs; 3319 struct procctl_reaper_pids rp; 3320 struct procctl_reaper_kill rk; 3321 } x; 3322 union { 3323 struct procctl_reaper_pids32 rp; 3324 } x32; 3325 int error, error1, flags, signum; 3326 3327 switch (uap->com) { 3328 case PROC_SPROTECT: 3329 case PROC_TRACE_CTL: 3330 case PROC_TRAPCAP_CTL: 3331 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3332 if (error != 0) 3333 return (error); 3334 data = &flags; 3335 break; 3336 case PROC_REAP_ACQUIRE: 3337 case PROC_REAP_RELEASE: 3338 if (uap->data != NULL) 3339 return (EINVAL); 3340 data = NULL; 3341 break; 3342 case PROC_REAP_STATUS: 3343 data = &x.rs; 3344 break; 3345 case PROC_REAP_GETPIDS: 3346 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3347 if (error != 0) 3348 return (error); 3349 CP(x32.rp, x.rp, rp_count); 3350 PTRIN_CP(x32.rp, x.rp, rp_pids); 3351 data = &x.rp; 3352 break; 3353 case PROC_REAP_KILL: 3354 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3355 if (error != 0) 3356 return (error); 3357 data = &x.rk; 3358 break; 3359 case PROC_TRACE_STATUS: 3360 case PROC_TRAPCAP_STATUS: 3361 data = &flags; 3362 break; 3363 case PROC_PDEATHSIG_CTL: 3364 error = copyin(uap->data, &signum, sizeof(signum)); 3365 if (error != 0) 3366 return (error); 3367 data = &signum; 3368 break; 3369 case PROC_PDEATHSIG_STATUS: 3370 data = &signum; 3371 break; 3372 default: 3373 return (EINVAL); 3374 } 3375 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3376 uap->com, data); 3377 switch (uap->com) { 3378 case PROC_REAP_STATUS: 3379 if (error == 0) 3380 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3381 break; 3382 case PROC_REAP_KILL: 3383 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3384 if (error == 0) 3385 error = error1; 3386 break; 3387 case PROC_TRACE_STATUS: 3388 case PROC_TRAPCAP_STATUS: 3389 if (error == 0) 3390 error = copyout(&flags, uap->data, sizeof(flags)); 3391 break; 3392 case PROC_PDEATHSIG_STATUS: 3393 if (error == 0) 3394 error = copyout(&signum, uap->data, sizeof(signum)); 3395 break; 3396 } 3397 return (error); 3398 } 3399 3400 int 3401 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3402 { 3403 long tmp; 3404 3405 switch (uap->cmd) { 3406 /* 3407 * Do unsigned conversion for arg when operation 3408 * interprets it as flags or pointer. 3409 */ 3410 case F_SETLK_REMOTE: 3411 case F_SETLKW: 3412 case F_SETLK: 3413 case F_GETLK: 3414 case F_SETFD: 3415 case F_SETFL: 3416 case F_OGETLK: 3417 case F_OSETLK: 3418 case F_OSETLKW: 3419 tmp = (unsigned int)(uap->arg); 3420 break; 3421 default: 3422 tmp = uap->arg; 3423 break; 3424 } 3425 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3426 } 3427 3428 int 3429 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3430 { 3431 struct timespec32 ts32; 3432 struct timespec ts, *tsp; 3433 sigset_t set, *ssp; 3434 int error; 3435 3436 if (uap->ts != NULL) { 3437 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3438 if (error != 0) 3439 return (error); 3440 CP(ts32, ts, tv_sec); 3441 CP(ts32, ts, tv_nsec); 3442 tsp = &ts; 3443 } else 3444 tsp = NULL; 3445 if (uap->set != NULL) { 3446 error = copyin(uap->set, &set, sizeof(set)); 3447 if (error != 0) 3448 return (error); 3449 ssp = &set; 3450 } else 3451 ssp = NULL; 3452 3453 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3454 } 3455 3456 int 3457 freebsd32_sched_rr_get_interval(struct thread *td, 3458 struct freebsd32_sched_rr_get_interval_args *uap) 3459 { 3460 struct timespec ts; 3461 struct timespec32 ts32; 3462 int error; 3463 3464 error = kern_sched_rr_get_interval(td, uap->pid, &ts); 3465 if (error == 0) { 3466 CP(ts, ts32, tv_sec); 3467 CP(ts, ts32, tv_nsec); 3468 error = copyout(&ts32, uap->interval, sizeof(ts32)); 3469 } 3470 return (error); 3471 } 3472