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 #ifdef __amd64__ 110 #include <machine/md_var.h> 111 #endif 112 113 #include <security/audit/audit.h> 114 115 #include <compat/freebsd32/freebsd32_util.h> 116 #include <compat/freebsd32/freebsd32.h> 117 #include <compat/freebsd32/freebsd32_ipc.h> 118 #include <compat/freebsd32/freebsd32_misc.h> 119 #include <compat/freebsd32/freebsd32_signal.h> 120 #include <compat/freebsd32/freebsd32_proto.h> 121 122 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 123 124 #ifdef __amd64__ 125 CTASSERT(sizeof(struct timeval32) == 8); 126 CTASSERT(sizeof(struct timespec32) == 8); 127 CTASSERT(sizeof(struct itimerval32) == 16); 128 CTASSERT(sizeof(struct bintime32) == 12); 129 #endif 130 CTASSERT(sizeof(struct statfs32) == 256); 131 #ifdef __amd64__ 132 CTASSERT(sizeof(struct rusage32) == 72); 133 #endif 134 CTASSERT(sizeof(struct sigaltstack32) == 12); 135 #ifdef __amd64__ 136 CTASSERT(sizeof(struct kevent32) == 56); 137 #else 138 CTASSERT(sizeof(struct kevent32) == 64); 139 #endif 140 CTASSERT(sizeof(struct iovec32) == 8); 141 CTASSERT(sizeof(struct msghdr32) == 28); 142 #ifdef __amd64__ 143 CTASSERT(sizeof(struct stat32) == 208); 144 CTASSERT(sizeof(struct freebsd11_stat32) == 96); 145 #endif 146 CTASSERT(sizeof(struct sigaction32) == 24); 147 148 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 149 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 150 static int freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id, 151 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp); 152 153 void 154 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 155 { 156 157 TV_CP(*s, *s32, ru_utime); 158 TV_CP(*s, *s32, ru_stime); 159 CP(*s, *s32, ru_maxrss); 160 CP(*s, *s32, ru_ixrss); 161 CP(*s, *s32, ru_idrss); 162 CP(*s, *s32, ru_isrss); 163 CP(*s, *s32, ru_minflt); 164 CP(*s, *s32, ru_majflt); 165 CP(*s, *s32, ru_nswap); 166 CP(*s, *s32, ru_inblock); 167 CP(*s, *s32, ru_oublock); 168 CP(*s, *s32, ru_msgsnd); 169 CP(*s, *s32, ru_msgrcv); 170 CP(*s, *s32, ru_nsignals); 171 CP(*s, *s32, ru_nvcsw); 172 CP(*s, *s32, ru_nivcsw); 173 } 174 175 int 176 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 177 { 178 int error, status; 179 struct rusage32 ru32; 180 struct rusage ru, *rup; 181 182 if (uap->rusage != NULL) 183 rup = &ru; 184 else 185 rup = NULL; 186 error = kern_wait(td, uap->pid, &status, uap->options, rup); 187 if (error) 188 return (error); 189 if (uap->status != NULL) 190 error = copyout(&status, uap->status, sizeof(status)); 191 if (uap->rusage != NULL && error == 0) { 192 freebsd32_rusage_out(&ru, &ru32); 193 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 194 } 195 return (error); 196 } 197 198 int 199 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 200 { 201 struct wrusage32 wru32; 202 struct __wrusage wru, *wrup; 203 struct siginfo32 si32; 204 struct __siginfo si, *sip; 205 int error, status; 206 207 if (uap->wrusage != NULL) 208 wrup = &wru; 209 else 210 wrup = NULL; 211 if (uap->info != NULL) { 212 sip = &si; 213 bzero(sip, sizeof(*sip)); 214 } else 215 sip = NULL; 216 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 217 &status, uap->options, wrup, sip); 218 if (error != 0) 219 return (error); 220 if (uap->status != NULL) 221 error = copyout(&status, uap->status, sizeof(status)); 222 if (uap->wrusage != NULL && error == 0) { 223 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 224 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 225 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 226 } 227 if (uap->info != NULL && error == 0) { 228 siginfo_to_siginfo32 (&si, &si32); 229 error = copyout(&si32, uap->info, sizeof(si32)); 230 } 231 return (error); 232 } 233 234 #ifdef COMPAT_FREEBSD4 235 static void 236 copy_statfs(struct statfs *in, struct statfs32 *out) 237 { 238 239 statfs_scale_blocks(in, INT32_MAX); 240 bzero(out, sizeof(*out)); 241 CP(*in, *out, f_bsize); 242 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 243 CP(*in, *out, f_blocks); 244 CP(*in, *out, f_bfree); 245 CP(*in, *out, f_bavail); 246 out->f_files = MIN(in->f_files, INT32_MAX); 247 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 248 CP(*in, *out, f_fsid); 249 CP(*in, *out, f_owner); 250 CP(*in, *out, f_type); 251 CP(*in, *out, f_flags); 252 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 253 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 254 strlcpy(out->f_fstypename, 255 in->f_fstypename, MFSNAMELEN); 256 strlcpy(out->f_mntonname, 257 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 258 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 259 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 260 strlcpy(out->f_mntfromname, 261 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 262 } 263 #endif 264 265 #ifdef COMPAT_FREEBSD4 266 int 267 freebsd4_freebsd32_getfsstat(struct thread *td, 268 struct freebsd4_freebsd32_getfsstat_args *uap) 269 { 270 struct statfs *buf, *sp; 271 struct statfs32 stat32; 272 size_t count, size, copycount; 273 int error; 274 275 count = uap->bufsize / sizeof(struct statfs32); 276 size = count * sizeof(struct statfs); 277 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode); 278 if (size > 0) { 279 sp = buf; 280 copycount = count; 281 while (copycount > 0 && error == 0) { 282 copy_statfs(sp, &stat32); 283 error = copyout(&stat32, uap->buf, sizeof(stat32)); 284 sp++; 285 uap->buf++; 286 copycount--; 287 } 288 free(buf, M_STATFS); 289 } 290 if (error == 0) 291 td->td_retval[0] = count; 292 return (error); 293 } 294 #endif 295 296 #ifdef COMPAT_FREEBSD10 297 int 298 freebsd10_freebsd32_pipe(struct thread *td, 299 struct freebsd10_freebsd32_pipe_args *uap) { 300 301 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap)); 302 } 303 #endif 304 305 int 306 freebsd32_sigaltstack(struct thread *td, 307 struct freebsd32_sigaltstack_args *uap) 308 { 309 struct sigaltstack32 s32; 310 struct sigaltstack ss, oss, *ssp; 311 int error; 312 313 if (uap->ss != NULL) { 314 error = copyin(uap->ss, &s32, sizeof(s32)); 315 if (error) 316 return (error); 317 PTRIN_CP(s32, ss, ss_sp); 318 CP(s32, ss, ss_size); 319 CP(s32, ss, ss_flags); 320 ssp = &ss; 321 } else 322 ssp = NULL; 323 error = kern_sigaltstack(td, ssp, &oss); 324 if (error == 0 && uap->oss != NULL) { 325 PTROUT_CP(oss, s32, ss_sp); 326 CP(oss, s32, ss_size); 327 CP(oss, s32, ss_flags); 328 error = copyout(&s32, uap->oss, sizeof(s32)); 329 } 330 return (error); 331 } 332 333 /* 334 * Custom version of exec_copyin_args() so that we can translate 335 * the pointers. 336 */ 337 int 338 freebsd32_exec_copyin_args(struct image_args *args, const char *fname, 339 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 340 { 341 char *argp, *envp; 342 u_int32_t *p32, arg; 343 int error; 344 345 bzero(args, sizeof(*args)); 346 if (argv == NULL) 347 return (EFAULT); 348 349 /* 350 * Allocate demand-paged memory for the file name, argument, and 351 * environment strings. 352 */ 353 error = exec_alloc_args(args); 354 if (error != 0) 355 return (error); 356 357 /* 358 * Copy the file name. 359 */ 360 error = exec_args_add_fname(args, fname, segflg); 361 if (error != 0) 362 goto err_exit; 363 364 /* 365 * extract arguments first 366 */ 367 p32 = argv; 368 for (;;) { 369 error = copyin(p32++, &arg, sizeof(arg)); 370 if (error) 371 goto err_exit; 372 if (arg == 0) 373 break; 374 argp = PTRIN(arg); 375 error = exec_args_add_arg(args, argp, UIO_USERSPACE); 376 if (error != 0) 377 goto err_exit; 378 } 379 380 /* 381 * extract environment strings 382 */ 383 if (envv) { 384 p32 = envv; 385 for (;;) { 386 error = copyin(p32++, &arg, sizeof(arg)); 387 if (error) 388 goto err_exit; 389 if (arg == 0) 390 break; 391 envp = PTRIN(arg); 392 error = exec_args_add_env(args, envp, UIO_USERSPACE); 393 if (error != 0) 394 goto err_exit; 395 } 396 } 397 398 return (0); 399 400 err_exit: 401 exec_free_args(args); 402 return (error); 403 } 404 405 int 406 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 407 { 408 struct image_args eargs; 409 struct vmspace *oldvmspace; 410 int error; 411 412 error = pre_execve(td, &oldvmspace); 413 if (error != 0) 414 return (error); 415 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 416 uap->argv, uap->envv); 417 if (error == 0) 418 error = kern_execve(td, &eargs, NULL); 419 post_execve(td, error, oldvmspace); 420 return (error); 421 } 422 423 int 424 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 425 { 426 struct image_args eargs; 427 struct vmspace *oldvmspace; 428 int error; 429 430 error = pre_execve(td, &oldvmspace); 431 if (error != 0) 432 return (error); 433 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 434 uap->argv, uap->envv); 435 if (error == 0) { 436 eargs.fd = uap->fd; 437 error = kern_execve(td, &eargs, NULL); 438 } 439 post_execve(td, error, oldvmspace); 440 return (error); 441 } 442 443 444 int 445 freebsd32_mknodat(struct thread *td, struct freebsd32_mknodat_args *uap) 446 { 447 448 return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE, 449 uap->mode, PAIR32TO64(dev_t, uap->dev))); 450 } 451 452 int 453 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 454 { 455 int prot; 456 457 prot = uap->prot; 458 #if defined(__amd64__) 459 if (i386_read_exec && (prot & PROT_READ) != 0) 460 prot |= PROT_EXEC; 461 #endif 462 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len, 463 prot)); 464 } 465 466 int 467 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 468 { 469 int prot; 470 471 prot = uap->prot; 472 #if defined(__amd64__) 473 if (i386_read_exec && (prot & PROT_READ)) 474 prot |= PROT_EXEC; 475 #endif 476 477 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 478 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 479 } 480 481 #ifdef COMPAT_FREEBSD6 482 int 483 freebsd6_freebsd32_mmap(struct thread *td, 484 struct freebsd6_freebsd32_mmap_args *uap) 485 { 486 int prot; 487 488 prot = uap->prot; 489 #if defined(__amd64__) 490 if (i386_read_exec && (prot & PROT_READ)) 491 prot |= PROT_EXEC; 492 #endif 493 494 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 495 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 496 } 497 #endif 498 499 int 500 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 501 { 502 struct itimerval itv, oitv, *itvp; 503 struct itimerval32 i32; 504 int error; 505 506 if (uap->itv != NULL) { 507 error = copyin(uap->itv, &i32, sizeof(i32)); 508 if (error) 509 return (error); 510 TV_CP(i32, itv, it_interval); 511 TV_CP(i32, itv, it_value); 512 itvp = &itv; 513 } else 514 itvp = NULL; 515 error = kern_setitimer(td, uap->which, itvp, &oitv); 516 if (error || uap->oitv == NULL) 517 return (error); 518 TV_CP(oitv, i32, it_interval); 519 TV_CP(oitv, i32, it_value); 520 return (copyout(&i32, uap->oitv, sizeof(i32))); 521 } 522 523 int 524 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 525 { 526 struct itimerval itv; 527 struct itimerval32 i32; 528 int error; 529 530 error = kern_getitimer(td, uap->which, &itv); 531 if (error || uap->itv == NULL) 532 return (error); 533 TV_CP(itv, i32, it_interval); 534 TV_CP(itv, i32, it_value); 535 return (copyout(&i32, uap->itv, sizeof(i32))); 536 } 537 538 int 539 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 540 { 541 struct timeval32 tv32; 542 struct timeval tv, *tvp; 543 int error; 544 545 if (uap->tv != NULL) { 546 error = copyin(uap->tv, &tv32, sizeof(tv32)); 547 if (error) 548 return (error); 549 CP(tv32, tv, tv_sec); 550 CP(tv32, tv, tv_usec); 551 tvp = &tv; 552 } else 553 tvp = NULL; 554 /* 555 * XXX Do pointers need PTRIN()? 556 */ 557 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 558 sizeof(int32_t) * 8)); 559 } 560 561 int 562 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 563 { 564 struct timespec32 ts32; 565 struct timespec ts; 566 struct timeval tv, *tvp; 567 sigset_t set, *uset; 568 int error; 569 570 if (uap->ts != NULL) { 571 error = copyin(uap->ts, &ts32, sizeof(ts32)); 572 if (error != 0) 573 return (error); 574 CP(ts32, ts, tv_sec); 575 CP(ts32, ts, tv_nsec); 576 TIMESPEC_TO_TIMEVAL(&tv, &ts); 577 tvp = &tv; 578 } else 579 tvp = NULL; 580 if (uap->sm != NULL) { 581 error = copyin(uap->sm, &set, sizeof(set)); 582 if (error != 0) 583 return (error); 584 uset = &set; 585 } else 586 uset = NULL; 587 /* 588 * XXX Do pointers need PTRIN()? 589 */ 590 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 591 uset, sizeof(int32_t) * 8); 592 return (error); 593 } 594 595 /* 596 * Copy 'count' items into the destination list pointed to by uap->eventlist. 597 */ 598 static int 599 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 600 { 601 struct freebsd32_kevent_args *uap; 602 struct kevent32 ks32[KQ_NEVENTS]; 603 uint64_t e; 604 int i, j, error; 605 606 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 607 uap = (struct freebsd32_kevent_args *)arg; 608 609 for (i = 0; i < count; i++) { 610 CP(kevp[i], ks32[i], ident); 611 CP(kevp[i], ks32[i], filter); 612 CP(kevp[i], ks32[i], flags); 613 CP(kevp[i], ks32[i], fflags); 614 #if BYTE_ORDER == LITTLE_ENDIAN 615 ks32[i].data1 = kevp[i].data; 616 ks32[i].data2 = kevp[i].data >> 32; 617 #else 618 ks32[i].data1 = kevp[i].data >> 32; 619 ks32[i].data2 = kevp[i].data; 620 #endif 621 PTROUT_CP(kevp[i], ks32[i], udata); 622 for (j = 0; j < nitems(kevp->ext); j++) { 623 e = kevp[i].ext[j]; 624 #if BYTE_ORDER == LITTLE_ENDIAN 625 ks32[i].ext64[2 * j] = e; 626 ks32[i].ext64[2 * j + 1] = e >> 32; 627 #else 628 ks32[i].ext64[2 * j] = e >> 32; 629 ks32[i].ext64[2 * j + 1] = e; 630 #endif 631 } 632 } 633 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 634 if (error == 0) 635 uap->eventlist += count; 636 return (error); 637 } 638 639 /* 640 * Copy 'count' items from the list pointed to by uap->changelist. 641 */ 642 static int 643 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 644 { 645 struct freebsd32_kevent_args *uap; 646 struct kevent32 ks32[KQ_NEVENTS]; 647 uint64_t e; 648 int i, j, error; 649 650 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 651 uap = (struct freebsd32_kevent_args *)arg; 652 653 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 654 if (error) 655 goto done; 656 uap->changelist += count; 657 658 for (i = 0; i < count; i++) { 659 CP(ks32[i], kevp[i], ident); 660 CP(ks32[i], kevp[i], filter); 661 CP(ks32[i], kevp[i], flags); 662 CP(ks32[i], kevp[i], fflags); 663 kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data); 664 PTRIN_CP(ks32[i], kevp[i], udata); 665 for (j = 0; j < nitems(kevp->ext); j++) { 666 #if BYTE_ORDER == LITTLE_ENDIAN 667 e = ks32[i].ext64[2 * j + 1]; 668 e <<= 32; 669 e += ks32[i].ext64[2 * j]; 670 #else 671 e = ks32[i].ext64[2 * j]; 672 e <<= 32; 673 e += ks32[i].ext64[2 * j + 1]; 674 #endif 675 kevp[i].ext[j] = e; 676 } 677 } 678 done: 679 return (error); 680 } 681 682 int 683 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 684 { 685 struct timespec32 ts32; 686 struct timespec ts, *tsp; 687 struct kevent_copyops k_ops = { 688 .arg = uap, 689 .k_copyout = freebsd32_kevent_copyout, 690 .k_copyin = freebsd32_kevent_copyin, 691 }; 692 #ifdef KTRACE 693 struct kevent32 *eventlist = uap->eventlist; 694 #endif 695 int error; 696 697 if (uap->timeout) { 698 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 699 if (error) 700 return (error); 701 CP(ts32, ts, tv_sec); 702 CP(ts32, ts, tv_nsec); 703 tsp = &ts; 704 } else 705 tsp = NULL; 706 #ifdef KTRACE 707 if (KTRPOINT(td, KTR_STRUCT_ARRAY)) 708 ktrstructarray("kevent32", UIO_USERSPACE, uap->changelist, 709 uap->nchanges, sizeof(struct kevent32)); 710 #endif 711 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 712 &k_ops, tsp); 713 #ifdef KTRACE 714 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY)) 715 ktrstructarray("kevent32", UIO_USERSPACE, eventlist, 716 td->td_retval[0], sizeof(struct kevent32)); 717 #endif 718 return (error); 719 } 720 721 #ifdef COMPAT_FREEBSD11 722 static int 723 freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count) 724 { 725 struct freebsd11_freebsd32_kevent_args *uap; 726 struct kevent32_freebsd11 ks32[KQ_NEVENTS]; 727 int i, error; 728 729 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 730 uap = (struct freebsd11_freebsd32_kevent_args *)arg; 731 732 for (i = 0; i < count; i++) { 733 CP(kevp[i], ks32[i], ident); 734 CP(kevp[i], ks32[i], filter); 735 CP(kevp[i], ks32[i], flags); 736 CP(kevp[i], ks32[i], fflags); 737 CP(kevp[i], ks32[i], data); 738 PTROUT_CP(kevp[i], ks32[i], udata); 739 } 740 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 741 if (error == 0) 742 uap->eventlist += count; 743 return (error); 744 } 745 746 /* 747 * Copy 'count' items from the list pointed to by uap->changelist. 748 */ 749 static int 750 freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count) 751 { 752 struct freebsd11_freebsd32_kevent_args *uap; 753 struct kevent32_freebsd11 ks32[KQ_NEVENTS]; 754 int i, j, error; 755 756 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 757 uap = (struct freebsd11_freebsd32_kevent_args *)arg; 758 759 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 760 if (error) 761 goto done; 762 uap->changelist += count; 763 764 for (i = 0; i < count; i++) { 765 CP(ks32[i], kevp[i], ident); 766 CP(ks32[i], kevp[i], filter); 767 CP(ks32[i], kevp[i], flags); 768 CP(ks32[i], kevp[i], fflags); 769 CP(ks32[i], kevp[i], data); 770 PTRIN_CP(ks32[i], kevp[i], udata); 771 for (j = 0; j < nitems(kevp->ext); j++) 772 kevp[i].ext[j] = 0; 773 } 774 done: 775 return (error); 776 } 777 778 int 779 freebsd11_freebsd32_kevent(struct thread *td, 780 struct freebsd11_freebsd32_kevent_args *uap) 781 { 782 struct timespec32 ts32; 783 struct timespec ts, *tsp; 784 struct kevent_copyops k_ops = { 785 .arg = uap, 786 .k_copyout = freebsd32_kevent11_copyout, 787 .k_copyin = freebsd32_kevent11_copyin, 788 }; 789 #ifdef KTRACE 790 struct kevent32_freebsd11 *eventlist = uap->eventlist; 791 #endif 792 int error; 793 794 if (uap->timeout) { 795 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 796 if (error) 797 return (error); 798 CP(ts32, ts, tv_sec); 799 CP(ts32, ts, tv_nsec); 800 tsp = &ts; 801 } else 802 tsp = NULL; 803 #ifdef KTRACE 804 if (KTRPOINT(td, KTR_STRUCT_ARRAY)) 805 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE, 806 uap->changelist, uap->nchanges, 807 sizeof(struct kevent32_freebsd11)); 808 #endif 809 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 810 &k_ops, tsp); 811 #ifdef KTRACE 812 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY)) 813 ktrstructarray("kevent32_freebsd11", UIO_USERSPACE, 814 eventlist, td->td_retval[0], 815 sizeof(struct kevent32_freebsd11)); 816 #endif 817 return (error); 818 } 819 #endif 820 821 int 822 freebsd32_gettimeofday(struct thread *td, 823 struct freebsd32_gettimeofday_args *uap) 824 { 825 struct timeval atv; 826 struct timeval32 atv32; 827 struct timezone rtz; 828 int error = 0; 829 830 if (uap->tp) { 831 microtime(&atv); 832 CP(atv, atv32, tv_sec); 833 CP(atv, atv32, tv_usec); 834 error = copyout(&atv32, uap->tp, sizeof (atv32)); 835 } 836 if (error == 0 && uap->tzp != NULL) { 837 rtz.tz_minuteswest = 0; 838 rtz.tz_dsttime = 0; 839 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 840 } 841 return (error); 842 } 843 844 int 845 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 846 { 847 struct rusage32 s32; 848 struct rusage s; 849 int error; 850 851 error = kern_getrusage(td, uap->who, &s); 852 if (error == 0) { 853 freebsd32_rusage_out(&s, &s32); 854 error = copyout(&s32, uap->rusage, sizeof(s32)); 855 } 856 return (error); 857 } 858 859 static int 860 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 861 { 862 struct iovec32 iov32; 863 struct iovec *iov; 864 struct uio *uio; 865 u_int iovlen; 866 int error, i; 867 868 *uiop = NULL; 869 if (iovcnt > UIO_MAXIOV) 870 return (EINVAL); 871 iovlen = iovcnt * sizeof(struct iovec); 872 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 873 iov = (struct iovec *)(uio + 1); 874 for (i = 0; i < iovcnt; i++) { 875 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 876 if (error) { 877 free(uio, M_IOV); 878 return (error); 879 } 880 iov[i].iov_base = PTRIN(iov32.iov_base); 881 iov[i].iov_len = iov32.iov_len; 882 } 883 uio->uio_iov = iov; 884 uio->uio_iovcnt = iovcnt; 885 uio->uio_segflg = UIO_USERSPACE; 886 uio->uio_offset = -1; 887 uio->uio_resid = 0; 888 for (i = 0; i < iovcnt; i++) { 889 if (iov->iov_len > INT_MAX - uio->uio_resid) { 890 free(uio, M_IOV); 891 return (EINVAL); 892 } 893 uio->uio_resid += iov->iov_len; 894 iov++; 895 } 896 *uiop = uio; 897 return (0); 898 } 899 900 int 901 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 902 { 903 struct uio *auio; 904 int error; 905 906 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 907 if (error) 908 return (error); 909 error = kern_readv(td, uap->fd, auio); 910 free(auio, M_IOV); 911 return (error); 912 } 913 914 int 915 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 916 { 917 struct uio *auio; 918 int error; 919 920 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 921 if (error) 922 return (error); 923 error = kern_writev(td, uap->fd, auio); 924 free(auio, M_IOV); 925 return (error); 926 } 927 928 int 929 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 930 { 931 struct uio *auio; 932 int error; 933 934 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 935 if (error) 936 return (error); 937 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 938 free(auio, M_IOV); 939 return (error); 940 } 941 942 int 943 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 944 { 945 struct uio *auio; 946 int error; 947 948 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 949 if (error) 950 return (error); 951 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 952 free(auio, M_IOV); 953 return (error); 954 } 955 956 int 957 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 958 int error) 959 { 960 struct iovec32 iov32; 961 struct iovec *iov; 962 u_int iovlen; 963 int i; 964 965 *iovp = NULL; 966 if (iovcnt > UIO_MAXIOV) 967 return (error); 968 iovlen = iovcnt * sizeof(struct iovec); 969 iov = malloc(iovlen, M_IOV, M_WAITOK); 970 for (i = 0; i < iovcnt; i++) { 971 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 972 if (error) { 973 free(iov, M_IOV); 974 return (error); 975 } 976 iov[i].iov_base = PTRIN(iov32.iov_base); 977 iov[i].iov_len = iov32.iov_len; 978 } 979 *iovp = iov; 980 return (0); 981 } 982 983 static int 984 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 985 { 986 struct msghdr32 m32; 987 int error; 988 989 error = copyin(msg32, &m32, sizeof(m32)); 990 if (error) 991 return (error); 992 msg->msg_name = PTRIN(m32.msg_name); 993 msg->msg_namelen = m32.msg_namelen; 994 msg->msg_iov = PTRIN(m32.msg_iov); 995 msg->msg_iovlen = m32.msg_iovlen; 996 msg->msg_control = PTRIN(m32.msg_control); 997 msg->msg_controllen = m32.msg_controllen; 998 msg->msg_flags = m32.msg_flags; 999 return (0); 1000 } 1001 1002 static int 1003 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 1004 { 1005 struct msghdr32 m32; 1006 int error; 1007 1008 m32.msg_name = PTROUT(msg->msg_name); 1009 m32.msg_namelen = msg->msg_namelen; 1010 m32.msg_iov = PTROUT(msg->msg_iov); 1011 m32.msg_iovlen = msg->msg_iovlen; 1012 m32.msg_control = PTROUT(msg->msg_control); 1013 m32.msg_controllen = msg->msg_controllen; 1014 m32.msg_flags = msg->msg_flags; 1015 error = copyout(&m32, msg32, sizeof(m32)); 1016 return (error); 1017 } 1018 1019 #ifndef __mips__ 1020 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 1021 #else 1022 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 1023 #endif 1024 #define FREEBSD32_ALIGN(p) \ 1025 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 1026 #define FREEBSD32_CMSG_SPACE(l) \ 1027 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 1028 1029 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 1030 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 1031 1032 static size_t 1033 freebsd32_cmsg_convert(const struct cmsghdr *cm, void *data, socklen_t datalen) 1034 { 1035 size_t copylen; 1036 union { 1037 struct timespec32 ts; 1038 struct timeval32 tv; 1039 struct bintime32 bt; 1040 } tmp32; 1041 1042 union { 1043 struct timespec ts; 1044 struct timeval tv; 1045 struct bintime bt; 1046 } *in; 1047 1048 in = data; 1049 copylen = 0; 1050 switch (cm->cmsg_level) { 1051 case SOL_SOCKET: 1052 switch (cm->cmsg_type) { 1053 case SCM_TIMESTAMP: 1054 TV_CP(*in, tmp32, tv); 1055 copylen = sizeof(tmp32.tv); 1056 break; 1057 1058 case SCM_BINTIME: 1059 BT_CP(*in, tmp32, bt); 1060 copylen = sizeof(tmp32.bt); 1061 break; 1062 1063 case SCM_REALTIME: 1064 case SCM_MONOTONIC: 1065 TS_CP(*in, tmp32, ts); 1066 copylen = sizeof(tmp32.ts); 1067 break; 1068 1069 default: 1070 break; 1071 } 1072 1073 default: 1074 break; 1075 } 1076 1077 if (copylen == 0) 1078 return (datalen); 1079 1080 KASSERT((datalen >= copylen), ("corrupted cmsghdr")); 1081 1082 bcopy(&tmp32, data, copylen); 1083 return (copylen); 1084 } 1085 1086 static int 1087 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 1088 { 1089 struct cmsghdr *cm; 1090 void *data; 1091 socklen_t clen, datalen, datalen_out, oldclen; 1092 int error; 1093 caddr_t ctlbuf; 1094 int len, maxlen, copylen; 1095 struct mbuf *m; 1096 error = 0; 1097 1098 len = msg->msg_controllen; 1099 maxlen = msg->msg_controllen; 1100 msg->msg_controllen = 0; 1101 1102 ctlbuf = msg->msg_control; 1103 for (m = control; m != NULL && len > 0; m = m->m_next) { 1104 cm = mtod(m, struct cmsghdr *); 1105 clen = m->m_len; 1106 while (cm != NULL) { 1107 if (sizeof(struct cmsghdr) > clen || 1108 cm->cmsg_len > clen) { 1109 error = EINVAL; 1110 break; 1111 } 1112 1113 data = CMSG_DATA(cm); 1114 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1115 datalen_out = freebsd32_cmsg_convert(cm, data, datalen); 1116 1117 /* 1118 * Copy out the message header. Preserve the native 1119 * message size in case we need to inspect the message 1120 * contents later. 1121 */ 1122 copylen = sizeof(struct cmsghdr); 1123 if (len < copylen) { 1124 msg->msg_flags |= MSG_CTRUNC; 1125 m_dispose_extcontrolm(m); 1126 goto exit; 1127 } 1128 oldclen = cm->cmsg_len; 1129 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1130 datalen_out; 1131 error = copyout(cm, ctlbuf, copylen); 1132 cm->cmsg_len = oldclen; 1133 if (error != 0) 1134 goto exit; 1135 1136 ctlbuf += FREEBSD32_ALIGN(copylen); 1137 len -= FREEBSD32_ALIGN(copylen); 1138 1139 copylen = datalen_out; 1140 if (len < copylen) { 1141 msg->msg_flags |= MSG_CTRUNC; 1142 m_dispose_extcontrolm(m); 1143 break; 1144 } 1145 1146 /* Copy out the message data. */ 1147 error = copyout(data, ctlbuf, copylen); 1148 if (error) 1149 goto exit; 1150 1151 ctlbuf += FREEBSD32_ALIGN(copylen); 1152 len -= FREEBSD32_ALIGN(copylen); 1153 1154 if (CMSG_SPACE(datalen) < clen) { 1155 clen -= CMSG_SPACE(datalen); 1156 cm = (struct cmsghdr *) 1157 ((caddr_t)cm + CMSG_SPACE(datalen)); 1158 } else { 1159 clen = 0; 1160 cm = NULL; 1161 } 1162 1163 msg->msg_controllen += 1164 FREEBSD32_CMSG_SPACE(datalen_out); 1165 } 1166 } 1167 if (len == 0 && m != NULL) { 1168 msg->msg_flags |= MSG_CTRUNC; 1169 m_dispose_extcontrolm(m); 1170 } 1171 1172 exit: 1173 return (error); 1174 } 1175 1176 int 1177 freebsd32_recvmsg(td, uap) 1178 struct thread *td; 1179 struct freebsd32_recvmsg_args /* { 1180 int s; 1181 struct msghdr32 *msg; 1182 int flags; 1183 } */ *uap; 1184 { 1185 struct msghdr msg; 1186 struct msghdr32 m32; 1187 struct iovec *uiov, *iov; 1188 struct mbuf *control = NULL; 1189 struct mbuf **controlp; 1190 1191 int error; 1192 error = copyin(uap->msg, &m32, sizeof(m32)); 1193 if (error) 1194 return (error); 1195 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1196 if (error) 1197 return (error); 1198 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1199 EMSGSIZE); 1200 if (error) 1201 return (error); 1202 msg.msg_flags = uap->flags; 1203 uiov = msg.msg_iov; 1204 msg.msg_iov = iov; 1205 1206 controlp = (msg.msg_control != NULL) ? &control : NULL; 1207 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1208 if (error == 0) { 1209 msg.msg_iov = uiov; 1210 1211 if (control != NULL) 1212 error = freebsd32_copy_msg_out(&msg, control); 1213 else 1214 msg.msg_controllen = 0; 1215 1216 if (error == 0) 1217 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1218 } 1219 free(iov, M_IOV); 1220 1221 if (control != NULL) { 1222 if (error != 0) 1223 m_dispose_extcontrolm(control); 1224 m_freem(control); 1225 } 1226 1227 return (error); 1228 } 1229 1230 /* 1231 * Copy-in the array of control messages constructed using alignment 1232 * and padding suitable for a 32-bit environment and construct an 1233 * mbuf using alignment and padding suitable for a 64-bit kernel. 1234 * The alignment and padding are defined indirectly by CMSG_DATA(), 1235 * CMSG_SPACE() and CMSG_LEN(). 1236 */ 1237 static int 1238 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1239 { 1240 struct mbuf *m; 1241 void *md; 1242 u_int idx, len, msglen; 1243 int error; 1244 1245 buflen = FREEBSD32_ALIGN(buflen); 1246 1247 if (buflen > MCLBYTES) 1248 return (EINVAL); 1249 1250 /* 1251 * Iterate over the buffer and get the length of each message 1252 * in there. This has 32-bit alignment and padding. Use it to 1253 * determine the length of these messages when using 64-bit 1254 * alignment and padding. 1255 */ 1256 idx = 0; 1257 len = 0; 1258 while (idx < buflen) { 1259 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1260 if (error) 1261 return (error); 1262 if (msglen < sizeof(struct cmsghdr)) 1263 return (EINVAL); 1264 msglen = FREEBSD32_ALIGN(msglen); 1265 if (idx + msglen > buflen) 1266 return (EINVAL); 1267 idx += msglen; 1268 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1269 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1270 len += CMSG_ALIGN(msglen); 1271 } 1272 1273 if (len > MCLBYTES) 1274 return (EINVAL); 1275 1276 m = m_get(M_WAITOK, MT_CONTROL); 1277 if (len > MLEN) 1278 MCLGET(m, M_WAITOK); 1279 m->m_len = len; 1280 1281 md = mtod(m, void *); 1282 while (buflen > 0) { 1283 error = copyin(buf, md, sizeof(struct cmsghdr)); 1284 if (error) 1285 break; 1286 msglen = *(u_int *)md; 1287 msglen = FREEBSD32_ALIGN(msglen); 1288 1289 /* Modify the message length to account for alignment. */ 1290 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1291 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1292 1293 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1294 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1295 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1296 1297 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1298 if (msglen > 0) { 1299 error = copyin(buf, md, msglen); 1300 if (error) 1301 break; 1302 md = (char *)md + CMSG_ALIGN(msglen); 1303 buf += msglen; 1304 buflen -= msglen; 1305 } 1306 } 1307 1308 if (error) 1309 m_free(m); 1310 else 1311 *mp = m; 1312 return (error); 1313 } 1314 1315 int 1316 freebsd32_sendmsg(struct thread *td, 1317 struct freebsd32_sendmsg_args *uap) 1318 { 1319 struct msghdr msg; 1320 struct msghdr32 m32; 1321 struct iovec *iov; 1322 struct mbuf *control = NULL; 1323 struct sockaddr *to = NULL; 1324 int error; 1325 1326 error = copyin(uap->msg, &m32, sizeof(m32)); 1327 if (error) 1328 return (error); 1329 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1330 if (error) 1331 return (error); 1332 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1333 EMSGSIZE); 1334 if (error) 1335 return (error); 1336 msg.msg_iov = iov; 1337 if (msg.msg_name != NULL) { 1338 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1339 if (error) { 1340 to = NULL; 1341 goto out; 1342 } 1343 msg.msg_name = to; 1344 } 1345 1346 if (msg.msg_control) { 1347 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1348 error = EINVAL; 1349 goto out; 1350 } 1351 1352 error = freebsd32_copyin_control(&control, msg.msg_control, 1353 msg.msg_controllen); 1354 if (error) 1355 goto out; 1356 1357 msg.msg_control = NULL; 1358 msg.msg_controllen = 0; 1359 } 1360 1361 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1362 UIO_USERSPACE); 1363 1364 out: 1365 free(iov, M_IOV); 1366 if (to) 1367 free(to, M_SONAME); 1368 return (error); 1369 } 1370 1371 int 1372 freebsd32_recvfrom(struct thread *td, 1373 struct freebsd32_recvfrom_args *uap) 1374 { 1375 struct msghdr msg; 1376 struct iovec aiov; 1377 int error; 1378 1379 if (uap->fromlenaddr) { 1380 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1381 sizeof(msg.msg_namelen)); 1382 if (error) 1383 return (error); 1384 } else { 1385 msg.msg_namelen = 0; 1386 } 1387 1388 msg.msg_name = PTRIN(uap->from); 1389 msg.msg_iov = &aiov; 1390 msg.msg_iovlen = 1; 1391 aiov.iov_base = PTRIN(uap->buf); 1392 aiov.iov_len = uap->len; 1393 msg.msg_control = NULL; 1394 msg.msg_flags = uap->flags; 1395 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1396 if (error == 0 && uap->fromlenaddr) 1397 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1398 sizeof (msg.msg_namelen)); 1399 return (error); 1400 } 1401 1402 int 1403 freebsd32_settimeofday(struct thread *td, 1404 struct freebsd32_settimeofday_args *uap) 1405 { 1406 struct timeval32 tv32; 1407 struct timeval tv, *tvp; 1408 struct timezone tz, *tzp; 1409 int error; 1410 1411 if (uap->tv) { 1412 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1413 if (error) 1414 return (error); 1415 CP(tv32, tv, tv_sec); 1416 CP(tv32, tv, tv_usec); 1417 tvp = &tv; 1418 } else 1419 tvp = NULL; 1420 if (uap->tzp) { 1421 error = copyin(uap->tzp, &tz, sizeof(tz)); 1422 if (error) 1423 return (error); 1424 tzp = &tz; 1425 } else 1426 tzp = NULL; 1427 return (kern_settimeofday(td, tvp, tzp)); 1428 } 1429 1430 int 1431 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1432 { 1433 struct timeval32 s32[2]; 1434 struct timeval s[2], *sp; 1435 int error; 1436 1437 if (uap->tptr != NULL) { 1438 error = copyin(uap->tptr, s32, sizeof(s32)); 1439 if (error) 1440 return (error); 1441 CP(s32[0], s[0], tv_sec); 1442 CP(s32[0], s[0], tv_usec); 1443 CP(s32[1], s[1], tv_sec); 1444 CP(s32[1], s[1], tv_usec); 1445 sp = s; 1446 } else 1447 sp = NULL; 1448 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1449 sp, UIO_SYSSPACE)); 1450 } 1451 1452 int 1453 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1454 { 1455 struct timeval32 s32[2]; 1456 struct timeval s[2], *sp; 1457 int error; 1458 1459 if (uap->tptr != NULL) { 1460 error = copyin(uap->tptr, s32, sizeof(s32)); 1461 if (error) 1462 return (error); 1463 CP(s32[0], s[0], tv_sec); 1464 CP(s32[0], s[0], tv_usec); 1465 CP(s32[1], s[1], tv_sec); 1466 CP(s32[1], s[1], tv_usec); 1467 sp = s; 1468 } else 1469 sp = NULL; 1470 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1471 } 1472 1473 int 1474 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1475 { 1476 struct timeval32 s32[2]; 1477 struct timeval s[2], *sp; 1478 int error; 1479 1480 if (uap->tptr != NULL) { 1481 error = copyin(uap->tptr, s32, sizeof(s32)); 1482 if (error) 1483 return (error); 1484 CP(s32[0], s[0], tv_sec); 1485 CP(s32[0], s[0], tv_usec); 1486 CP(s32[1], s[1], tv_sec); 1487 CP(s32[1], s[1], tv_usec); 1488 sp = s; 1489 } else 1490 sp = NULL; 1491 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1492 } 1493 1494 int 1495 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1496 { 1497 struct timeval32 s32[2]; 1498 struct timeval s[2], *sp; 1499 int error; 1500 1501 if (uap->times != NULL) { 1502 error = copyin(uap->times, s32, sizeof(s32)); 1503 if (error) 1504 return (error); 1505 CP(s32[0], s[0], tv_sec); 1506 CP(s32[0], s[0], tv_usec); 1507 CP(s32[1], s[1], tv_sec); 1508 CP(s32[1], s[1], tv_usec); 1509 sp = s; 1510 } else 1511 sp = NULL; 1512 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1513 sp, UIO_SYSSPACE)); 1514 } 1515 1516 int 1517 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1518 { 1519 struct timespec32 ts32[2]; 1520 struct timespec ts[2], *tsp; 1521 int error; 1522 1523 if (uap->times != NULL) { 1524 error = copyin(uap->times, ts32, sizeof(ts32)); 1525 if (error) 1526 return (error); 1527 CP(ts32[0], ts[0], tv_sec); 1528 CP(ts32[0], ts[0], tv_nsec); 1529 CP(ts32[1], ts[1], tv_sec); 1530 CP(ts32[1], ts[1], tv_nsec); 1531 tsp = ts; 1532 } else 1533 tsp = NULL; 1534 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1535 } 1536 1537 int 1538 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1539 { 1540 struct timespec32 ts32[2]; 1541 struct timespec ts[2], *tsp; 1542 int error; 1543 1544 if (uap->times != NULL) { 1545 error = copyin(uap->times, ts32, sizeof(ts32)); 1546 if (error) 1547 return (error); 1548 CP(ts32[0], ts[0], tv_sec); 1549 CP(ts32[0], ts[0], tv_nsec); 1550 CP(ts32[1], ts[1], tv_sec); 1551 CP(ts32[1], ts[1], tv_nsec); 1552 tsp = ts; 1553 } else 1554 tsp = NULL; 1555 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1556 tsp, UIO_SYSSPACE, uap->flag)); 1557 } 1558 1559 int 1560 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1561 { 1562 struct timeval32 tv32; 1563 struct timeval delta, olddelta, *deltap; 1564 int error; 1565 1566 if (uap->delta) { 1567 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1568 if (error) 1569 return (error); 1570 CP(tv32, delta, tv_sec); 1571 CP(tv32, delta, tv_usec); 1572 deltap = δ 1573 } else 1574 deltap = NULL; 1575 error = kern_adjtime(td, deltap, &olddelta); 1576 if (uap->olddelta && error == 0) { 1577 CP(olddelta, tv32, tv_sec); 1578 CP(olddelta, tv32, tv_usec); 1579 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1580 } 1581 return (error); 1582 } 1583 1584 #ifdef COMPAT_FREEBSD4 1585 int 1586 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1587 { 1588 struct statfs32 s32; 1589 struct statfs *sp; 1590 int error; 1591 1592 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1593 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1594 if (error == 0) { 1595 copy_statfs(sp, &s32); 1596 error = copyout(&s32, uap->buf, sizeof(s32)); 1597 } 1598 free(sp, M_STATFS); 1599 return (error); 1600 } 1601 #endif 1602 1603 #ifdef COMPAT_FREEBSD4 1604 int 1605 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1606 { 1607 struct statfs32 s32; 1608 struct statfs *sp; 1609 int error; 1610 1611 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1612 error = kern_fstatfs(td, uap->fd, sp); 1613 if (error == 0) { 1614 copy_statfs(sp, &s32); 1615 error = copyout(&s32, uap->buf, sizeof(s32)); 1616 } 1617 free(sp, M_STATFS); 1618 return (error); 1619 } 1620 #endif 1621 1622 #ifdef COMPAT_FREEBSD4 1623 int 1624 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1625 { 1626 struct statfs32 s32; 1627 struct statfs *sp; 1628 fhandle_t fh; 1629 int error; 1630 1631 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1632 return (error); 1633 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1634 error = kern_fhstatfs(td, fh, sp); 1635 if (error == 0) { 1636 copy_statfs(sp, &s32); 1637 error = copyout(&s32, uap->buf, sizeof(s32)); 1638 } 1639 free(sp, M_STATFS); 1640 return (error); 1641 } 1642 #endif 1643 1644 int 1645 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1646 { 1647 1648 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1649 PAIR32TO64(off_t, uap->offset))); 1650 } 1651 1652 int 1653 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1654 { 1655 1656 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1657 PAIR32TO64(off_t, uap->offset))); 1658 } 1659 1660 #ifdef COMPAT_43 1661 int 1662 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1663 { 1664 1665 return (kern_lseek(td, uap->fd, uap->offset, uap->whence)); 1666 } 1667 #endif 1668 1669 int 1670 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1671 { 1672 int error; 1673 off_t pos; 1674 1675 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1676 uap->whence); 1677 /* Expand the quad return into two parts for eax and edx */ 1678 pos = td->td_uretoff.tdu_off; 1679 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1680 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1681 return error; 1682 } 1683 1684 int 1685 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1686 { 1687 1688 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1689 PAIR32TO64(off_t, uap->length))); 1690 } 1691 1692 int 1693 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1694 { 1695 1696 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1697 } 1698 1699 #ifdef COMPAT_43 1700 int 1701 ofreebsd32_getdirentries(struct thread *td, 1702 struct ofreebsd32_getdirentries_args *uap) 1703 { 1704 struct ogetdirentries_args ap; 1705 int error; 1706 long loff; 1707 int32_t loff_cut; 1708 1709 ap.fd = uap->fd; 1710 ap.buf = uap->buf; 1711 ap.count = uap->count; 1712 ap.basep = NULL; 1713 error = kern_ogetdirentries(td, &ap, &loff); 1714 if (error == 0) { 1715 loff_cut = loff; 1716 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1717 } 1718 return (error); 1719 } 1720 #endif 1721 1722 #if defined(COMPAT_FREEBSD11) 1723 int 1724 freebsd11_freebsd32_getdirentries(struct thread *td, 1725 struct freebsd11_freebsd32_getdirentries_args *uap) 1726 { 1727 long base; 1728 int32_t base32; 1729 int error; 1730 1731 error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count, 1732 &base, NULL); 1733 if (error) 1734 return (error); 1735 if (uap->basep != NULL) { 1736 base32 = base; 1737 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1738 } 1739 return (error); 1740 } 1741 1742 int 1743 freebsd11_freebsd32_getdents(struct thread *td, 1744 struct freebsd11_freebsd32_getdents_args *uap) 1745 { 1746 struct freebsd11_freebsd32_getdirentries_args ap; 1747 1748 ap.fd = uap->fd; 1749 ap.buf = uap->buf; 1750 ap.count = uap->count; 1751 ap.basep = NULL; 1752 return (freebsd11_freebsd32_getdirentries(td, &ap)); 1753 } 1754 #endif /* COMPAT_FREEBSD11 */ 1755 1756 #ifdef COMPAT_FREEBSD6 1757 /* versions with the 'int pad' argument */ 1758 int 1759 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1760 { 1761 1762 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1763 PAIR32TO64(off_t, uap->offset))); 1764 } 1765 1766 int 1767 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1768 { 1769 1770 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1771 PAIR32TO64(off_t, uap->offset))); 1772 } 1773 1774 int 1775 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1776 { 1777 int error; 1778 off_t pos; 1779 1780 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1781 uap->whence); 1782 /* Expand the quad return into two parts for eax and edx */ 1783 pos = *(off_t *)(td->td_retval); 1784 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1785 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1786 return error; 1787 } 1788 1789 int 1790 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1791 { 1792 1793 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1794 PAIR32TO64(off_t, uap->length))); 1795 } 1796 1797 int 1798 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1799 { 1800 1801 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1802 } 1803 #endif /* COMPAT_FREEBSD6 */ 1804 1805 struct sf_hdtr32 { 1806 uint32_t headers; 1807 int hdr_cnt; 1808 uint32_t trailers; 1809 int trl_cnt; 1810 }; 1811 1812 static int 1813 freebsd32_do_sendfile(struct thread *td, 1814 struct freebsd32_sendfile_args *uap, int compat) 1815 { 1816 struct sf_hdtr32 hdtr32; 1817 struct sf_hdtr hdtr; 1818 struct uio *hdr_uio, *trl_uio; 1819 struct file *fp; 1820 cap_rights_t rights; 1821 struct iovec32 *iov32; 1822 off_t offset, sbytes; 1823 int error; 1824 1825 offset = PAIR32TO64(off_t, uap->offset); 1826 if (offset < 0) 1827 return (EINVAL); 1828 1829 hdr_uio = trl_uio = NULL; 1830 1831 if (uap->hdtr != NULL) { 1832 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1833 if (error) 1834 goto out; 1835 PTRIN_CP(hdtr32, hdtr, headers); 1836 CP(hdtr32, hdtr, hdr_cnt); 1837 PTRIN_CP(hdtr32, hdtr, trailers); 1838 CP(hdtr32, hdtr, trl_cnt); 1839 1840 if (hdtr.headers != NULL) { 1841 iov32 = PTRIN(hdtr32.headers); 1842 error = freebsd32_copyinuio(iov32, 1843 hdtr32.hdr_cnt, &hdr_uio); 1844 if (error) 1845 goto out; 1846 #ifdef COMPAT_FREEBSD4 1847 /* 1848 * In FreeBSD < 5.0 the nbytes to send also included 1849 * the header. If compat is specified subtract the 1850 * header size from nbytes. 1851 */ 1852 if (compat) { 1853 if (uap->nbytes > hdr_uio->uio_resid) 1854 uap->nbytes -= hdr_uio->uio_resid; 1855 else 1856 uap->nbytes = 0; 1857 } 1858 #endif 1859 } 1860 if (hdtr.trailers != NULL) { 1861 iov32 = PTRIN(hdtr32.trailers); 1862 error = freebsd32_copyinuio(iov32, 1863 hdtr32.trl_cnt, &trl_uio); 1864 if (error) 1865 goto out; 1866 } 1867 } 1868 1869 AUDIT_ARG_FD(uap->fd); 1870 1871 if ((error = fget_read(td, uap->fd, 1872 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1873 goto out; 1874 1875 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1876 uap->nbytes, &sbytes, uap->flags, td); 1877 fdrop(fp, td); 1878 1879 if (uap->sbytes != NULL) 1880 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1881 1882 out: 1883 if (hdr_uio) 1884 free(hdr_uio, M_IOV); 1885 if (trl_uio) 1886 free(trl_uio, M_IOV); 1887 return (error); 1888 } 1889 1890 #ifdef COMPAT_FREEBSD4 1891 int 1892 freebsd4_freebsd32_sendfile(struct thread *td, 1893 struct freebsd4_freebsd32_sendfile_args *uap) 1894 { 1895 return (freebsd32_do_sendfile(td, 1896 (struct freebsd32_sendfile_args *)uap, 1)); 1897 } 1898 #endif 1899 1900 int 1901 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1902 { 1903 1904 return (freebsd32_do_sendfile(td, uap, 0)); 1905 } 1906 1907 static void 1908 copy_stat(struct stat *in, struct stat32 *out) 1909 { 1910 1911 CP(*in, *out, st_dev); 1912 CP(*in, *out, st_ino); 1913 CP(*in, *out, st_mode); 1914 CP(*in, *out, st_nlink); 1915 CP(*in, *out, st_uid); 1916 CP(*in, *out, st_gid); 1917 CP(*in, *out, st_rdev); 1918 TS_CP(*in, *out, st_atim); 1919 TS_CP(*in, *out, st_mtim); 1920 TS_CP(*in, *out, st_ctim); 1921 CP(*in, *out, st_size); 1922 CP(*in, *out, st_blocks); 1923 CP(*in, *out, st_blksize); 1924 CP(*in, *out, st_flags); 1925 CP(*in, *out, st_gen); 1926 TS_CP(*in, *out, st_birthtim); 1927 out->st_padding0 = 0; 1928 out->st_padding1 = 0; 1929 #ifdef __STAT32_TIME_T_EXT 1930 out->st_atim_ext = 0; 1931 out->st_mtim_ext = 0; 1932 out->st_ctim_ext = 0; 1933 out->st_btim_ext = 0; 1934 #endif 1935 bzero(out->st_spare, sizeof(out->st_spare)); 1936 } 1937 1938 #ifdef COMPAT_43 1939 static void 1940 copy_ostat(struct stat *in, struct ostat32 *out) 1941 { 1942 1943 bzero(out, sizeof(*out)); 1944 CP(*in, *out, st_dev); 1945 CP(*in, *out, st_ino); 1946 CP(*in, *out, st_mode); 1947 CP(*in, *out, st_nlink); 1948 CP(*in, *out, st_uid); 1949 CP(*in, *out, st_gid); 1950 CP(*in, *out, st_rdev); 1951 out->st_size = MIN(in->st_size, INT32_MAX); 1952 TS_CP(*in, *out, st_atim); 1953 TS_CP(*in, *out, st_mtim); 1954 TS_CP(*in, *out, st_ctim); 1955 CP(*in, *out, st_blksize); 1956 CP(*in, *out, st_blocks); 1957 CP(*in, *out, st_flags); 1958 CP(*in, *out, st_gen); 1959 } 1960 #endif 1961 1962 #ifdef COMPAT_43 1963 int 1964 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1965 { 1966 struct stat sb; 1967 struct ostat32 sb32; 1968 int error; 1969 1970 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1971 &sb, NULL); 1972 if (error) 1973 return (error); 1974 copy_ostat(&sb, &sb32); 1975 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1976 return (error); 1977 } 1978 #endif 1979 1980 int 1981 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1982 { 1983 struct stat ub; 1984 struct stat32 ub32; 1985 int error; 1986 1987 error = kern_fstat(td, uap->fd, &ub); 1988 if (error) 1989 return (error); 1990 copy_stat(&ub, &ub32); 1991 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1992 return (error); 1993 } 1994 1995 #ifdef COMPAT_43 1996 int 1997 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1998 { 1999 struct stat ub; 2000 struct ostat32 ub32; 2001 int error; 2002 2003 error = kern_fstat(td, uap->fd, &ub); 2004 if (error) 2005 return (error); 2006 copy_ostat(&ub, &ub32); 2007 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2008 return (error); 2009 } 2010 #endif 2011 2012 int 2013 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2014 { 2015 struct stat ub; 2016 struct stat32 ub32; 2017 int error; 2018 2019 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 2020 &ub, NULL); 2021 if (error) 2022 return (error); 2023 copy_stat(&ub, &ub32); 2024 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2025 return (error); 2026 } 2027 2028 #ifdef COMPAT_43 2029 int 2030 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 2031 { 2032 struct stat sb; 2033 struct ostat32 sb32; 2034 int error; 2035 2036 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 2037 UIO_USERSPACE, &sb, NULL); 2038 if (error) 2039 return (error); 2040 copy_ostat(&sb, &sb32); 2041 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2042 return (error); 2043 } 2044 #endif 2045 2046 int 2047 freebsd32_fhstat(struct thread *td, struct freebsd32_fhstat_args *uap) 2048 { 2049 struct stat sb; 2050 struct stat32 sb32; 2051 struct fhandle fh; 2052 int error; 2053 2054 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t)); 2055 if (error != 0) 2056 return (error); 2057 error = kern_fhstat(td, fh, &sb); 2058 if (error != 0) 2059 return (error); 2060 copy_stat(&sb, &sb32); 2061 error = copyout(&sb32, uap->sb, sizeof (sb32)); 2062 return (error); 2063 } 2064 2065 #if defined(COMPAT_FREEBSD11) 2066 extern int ino64_trunc_error; 2067 2068 static int 2069 freebsd11_cvtstat32(struct stat *in, struct freebsd11_stat32 *out) 2070 { 2071 2072 CP(*in, *out, st_ino); 2073 if (in->st_ino != out->st_ino) { 2074 switch (ino64_trunc_error) { 2075 default: 2076 case 0: 2077 break; 2078 case 1: 2079 return (EOVERFLOW); 2080 case 2: 2081 out->st_ino = UINT32_MAX; 2082 break; 2083 } 2084 } 2085 CP(*in, *out, st_nlink); 2086 if (in->st_nlink != out->st_nlink) { 2087 switch (ino64_trunc_error) { 2088 default: 2089 case 0: 2090 break; 2091 case 1: 2092 return (EOVERFLOW); 2093 case 2: 2094 out->st_nlink = UINT16_MAX; 2095 break; 2096 } 2097 } 2098 out->st_dev = in->st_dev; 2099 if (out->st_dev != in->st_dev) { 2100 switch (ino64_trunc_error) { 2101 default: 2102 break; 2103 case 1: 2104 return (EOVERFLOW); 2105 } 2106 } 2107 CP(*in, *out, st_mode); 2108 CP(*in, *out, st_uid); 2109 CP(*in, *out, st_gid); 2110 out->st_rdev = in->st_rdev; 2111 if (out->st_rdev != in->st_rdev) { 2112 switch (ino64_trunc_error) { 2113 default: 2114 break; 2115 case 1: 2116 return (EOVERFLOW); 2117 } 2118 } 2119 TS_CP(*in, *out, st_atim); 2120 TS_CP(*in, *out, st_mtim); 2121 TS_CP(*in, *out, st_ctim); 2122 CP(*in, *out, st_size); 2123 CP(*in, *out, st_blocks); 2124 CP(*in, *out, st_blksize); 2125 CP(*in, *out, st_flags); 2126 CP(*in, *out, st_gen); 2127 TS_CP(*in, *out, st_birthtim); 2128 out->st_lspare = 0; 2129 bzero((char *)&out->st_birthtim + sizeof(out->st_birthtim), 2130 sizeof(*out) - offsetof(struct freebsd11_stat32, 2131 st_birthtim) - sizeof(out->st_birthtim)); 2132 return (0); 2133 } 2134 2135 int 2136 freebsd11_freebsd32_stat(struct thread *td, 2137 struct freebsd11_freebsd32_stat_args *uap) 2138 { 2139 struct stat sb; 2140 struct freebsd11_stat32 sb32; 2141 int error; 2142 2143 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 2144 &sb, NULL); 2145 if (error != 0) 2146 return (error); 2147 error = freebsd11_cvtstat32(&sb, &sb32); 2148 if (error == 0) 2149 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2150 return (error); 2151 } 2152 2153 int 2154 freebsd11_freebsd32_fstat(struct thread *td, 2155 struct freebsd11_freebsd32_fstat_args *uap) 2156 { 2157 struct stat sb; 2158 struct freebsd11_stat32 sb32; 2159 int error; 2160 2161 error = kern_fstat(td, uap->fd, &sb); 2162 if (error != 0) 2163 return (error); 2164 error = freebsd11_cvtstat32(&sb, &sb32); 2165 if (error == 0) 2166 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2167 return (error); 2168 } 2169 2170 int 2171 freebsd11_freebsd32_fstatat(struct thread *td, 2172 struct freebsd11_freebsd32_fstatat_args *uap) 2173 { 2174 struct stat sb; 2175 struct freebsd11_stat32 sb32; 2176 int error; 2177 2178 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 2179 &sb, NULL); 2180 if (error != 0) 2181 return (error); 2182 error = freebsd11_cvtstat32(&sb, &sb32); 2183 if (error == 0) 2184 error = copyout(&sb32, uap->buf, sizeof (sb32)); 2185 return (error); 2186 } 2187 2188 int 2189 freebsd11_freebsd32_lstat(struct thread *td, 2190 struct freebsd11_freebsd32_lstat_args *uap) 2191 { 2192 struct stat sb; 2193 struct freebsd11_stat32 sb32; 2194 int error; 2195 2196 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 2197 UIO_USERSPACE, &sb, NULL); 2198 if (error != 0) 2199 return (error); 2200 error = freebsd11_cvtstat32(&sb, &sb32); 2201 if (error == 0) 2202 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2203 return (error); 2204 } 2205 2206 int 2207 freebsd11_freebsd32_fhstat(struct thread *td, 2208 struct freebsd11_freebsd32_fhstat_args *uap) 2209 { 2210 struct stat sb; 2211 struct freebsd11_stat32 sb32; 2212 struct fhandle fh; 2213 int error; 2214 2215 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t)); 2216 if (error != 0) 2217 return (error); 2218 error = kern_fhstat(td, fh, &sb); 2219 if (error != 0) 2220 return (error); 2221 error = freebsd11_cvtstat32(&sb, &sb32); 2222 if (error == 0) 2223 error = copyout(&sb32, uap->sb, sizeof (sb32)); 2224 return (error); 2225 } 2226 #endif 2227 2228 int 2229 freebsd32___sysctl(struct thread *td, struct freebsd32___sysctl_args *uap) 2230 { 2231 int error, name[CTL_MAXNAME]; 2232 size_t j, oldlen; 2233 uint32_t tmp; 2234 2235 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2236 return (EINVAL); 2237 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2238 if (error) 2239 return (error); 2240 if (uap->oldlenp) { 2241 error = fueword32(uap->oldlenp, &tmp); 2242 oldlen = tmp; 2243 } else { 2244 oldlen = 0; 2245 } 2246 if (error != 0) 2247 return (EFAULT); 2248 error = userland_sysctl(td, name, uap->namelen, 2249 uap->old, &oldlen, 1, 2250 uap->new, uap->newlen, &j, SCTL_MASK32); 2251 if (error) 2252 return (error); 2253 if (uap->oldlenp) 2254 suword32(uap->oldlenp, j); 2255 return (0); 2256 } 2257 2258 int 2259 freebsd32___sysctlbyname(struct thread *td, 2260 struct freebsd32___sysctlbyname_args *uap) 2261 { 2262 size_t oldlen, rv; 2263 int error; 2264 uint32_t tmp; 2265 2266 if (uap->oldlenp != NULL) { 2267 error = fueword32(uap->oldlenp, &tmp); 2268 oldlen = tmp; 2269 } else { 2270 error = oldlen = 0; 2271 } 2272 if (error != 0) 2273 return (EFAULT); 2274 error = kern___sysctlbyname(td, uap->name, uap->namelen, uap->old, 2275 &oldlen, uap->new, uap->newlen, &rv, SCTL_MASK32, 1); 2276 if (error != 0) 2277 return (error); 2278 if (uap->oldlenp != NULL) 2279 error = suword32(uap->oldlenp, rv); 2280 2281 return (error); 2282 } 2283 2284 int 2285 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2286 { 2287 uint32_t version; 2288 int error; 2289 struct jail j; 2290 2291 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2292 if (error) 2293 return (error); 2294 2295 switch (version) { 2296 case 0: 2297 { 2298 /* FreeBSD single IPv4 jails. */ 2299 struct jail32_v0 j32_v0; 2300 2301 bzero(&j, sizeof(struct jail)); 2302 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2303 if (error) 2304 return (error); 2305 CP(j32_v0, j, version); 2306 PTRIN_CP(j32_v0, j, path); 2307 PTRIN_CP(j32_v0, j, hostname); 2308 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 2309 break; 2310 } 2311 2312 case 1: 2313 /* 2314 * Version 1 was used by multi-IPv4 jail implementations 2315 * that never made it into the official kernel. 2316 */ 2317 return (EINVAL); 2318 2319 case 2: /* JAIL_API_VERSION */ 2320 { 2321 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2322 struct jail32 j32; 2323 2324 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2325 if (error) 2326 return (error); 2327 CP(j32, j, version); 2328 PTRIN_CP(j32, j, path); 2329 PTRIN_CP(j32, j, hostname); 2330 PTRIN_CP(j32, j, jailname); 2331 CP(j32, j, ip4s); 2332 CP(j32, j, ip6s); 2333 PTRIN_CP(j32, j, ip4); 2334 PTRIN_CP(j32, j, ip6); 2335 break; 2336 } 2337 2338 default: 2339 /* Sci-Fi jails are not supported, sorry. */ 2340 return (EINVAL); 2341 } 2342 return (kern_jail(td, &j)); 2343 } 2344 2345 int 2346 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2347 { 2348 struct uio *auio; 2349 int error; 2350 2351 /* Check that we have an even number of iovecs. */ 2352 if (uap->iovcnt & 1) 2353 return (EINVAL); 2354 2355 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2356 if (error) 2357 return (error); 2358 error = kern_jail_set(td, auio, uap->flags); 2359 free(auio, M_IOV); 2360 return (error); 2361 } 2362 2363 int 2364 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2365 { 2366 struct iovec32 iov32; 2367 struct uio *auio; 2368 int error, i; 2369 2370 /* Check that we have an even number of iovecs. */ 2371 if (uap->iovcnt & 1) 2372 return (EINVAL); 2373 2374 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2375 if (error) 2376 return (error); 2377 error = kern_jail_get(td, auio, uap->flags); 2378 if (error == 0) 2379 for (i = 0; i < uap->iovcnt; i++) { 2380 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2381 CP(auio->uio_iov[i], iov32, iov_len); 2382 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2383 if (error != 0) 2384 break; 2385 } 2386 free(auio, M_IOV); 2387 return (error); 2388 } 2389 2390 int 2391 freebsd32_sigaction(struct thread *td, struct 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, 0); 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 2417 #ifdef COMPAT_FREEBSD4 2418 int 2419 freebsd4_freebsd32_sigaction(struct thread *td, 2420 struct freebsd4_freebsd32_sigaction_args *uap) 2421 { 2422 struct sigaction32 s32; 2423 struct sigaction sa, osa, *sap; 2424 int error; 2425 2426 if (uap->act) { 2427 error = copyin(uap->act, &s32, sizeof(s32)); 2428 if (error) 2429 return (error); 2430 sa.sa_handler = PTRIN(s32.sa_u); 2431 CP(s32, sa, sa_flags); 2432 CP(s32, sa, sa_mask); 2433 sap = &sa; 2434 } else 2435 sap = NULL; 2436 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2437 if (error == 0 && uap->oact != NULL) { 2438 s32.sa_u = PTROUT(osa.sa_handler); 2439 CP(osa, s32, sa_flags); 2440 CP(osa, s32, sa_mask); 2441 error = copyout(&s32, uap->oact, sizeof(s32)); 2442 } 2443 return (error); 2444 } 2445 #endif 2446 2447 #ifdef COMPAT_43 2448 struct osigaction32 { 2449 u_int32_t sa_u; 2450 osigset_t sa_mask; 2451 int sa_flags; 2452 }; 2453 2454 #define ONSIG 32 2455 2456 int 2457 ofreebsd32_sigaction(struct thread *td, 2458 struct ofreebsd32_sigaction_args *uap) 2459 { 2460 struct osigaction32 s32; 2461 struct sigaction sa, osa, *sap; 2462 int error; 2463 2464 if (uap->signum <= 0 || uap->signum >= ONSIG) 2465 return (EINVAL); 2466 2467 if (uap->nsa) { 2468 error = copyin(uap->nsa, &s32, sizeof(s32)); 2469 if (error) 2470 return (error); 2471 sa.sa_handler = PTRIN(s32.sa_u); 2472 CP(s32, sa, sa_flags); 2473 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2474 sap = &sa; 2475 } else 2476 sap = NULL; 2477 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2478 if (error == 0 && uap->osa != NULL) { 2479 s32.sa_u = PTROUT(osa.sa_handler); 2480 CP(osa, s32, sa_flags); 2481 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2482 error = copyout(&s32, uap->osa, sizeof(s32)); 2483 } 2484 return (error); 2485 } 2486 2487 int 2488 ofreebsd32_sigprocmask(struct thread *td, 2489 struct ofreebsd32_sigprocmask_args *uap) 2490 { 2491 sigset_t set, oset; 2492 int error; 2493 2494 OSIG2SIG(uap->mask, set); 2495 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2496 SIG2OSIG(oset, td->td_retval[0]); 2497 return (error); 2498 } 2499 2500 int 2501 ofreebsd32_sigpending(struct thread *td, 2502 struct ofreebsd32_sigpending_args *uap) 2503 { 2504 struct proc *p = td->td_proc; 2505 sigset_t siglist; 2506 2507 PROC_LOCK(p); 2508 siglist = p->p_siglist; 2509 SIGSETOR(siglist, td->td_siglist); 2510 PROC_UNLOCK(p); 2511 SIG2OSIG(siglist, td->td_retval[0]); 2512 return (0); 2513 } 2514 2515 struct sigvec32 { 2516 u_int32_t sv_handler; 2517 int sv_mask; 2518 int sv_flags; 2519 }; 2520 2521 int 2522 ofreebsd32_sigvec(struct thread *td, 2523 struct ofreebsd32_sigvec_args *uap) 2524 { 2525 struct sigvec32 vec; 2526 struct sigaction sa, osa, *sap; 2527 int error; 2528 2529 if (uap->signum <= 0 || uap->signum >= ONSIG) 2530 return (EINVAL); 2531 2532 if (uap->nsv) { 2533 error = copyin(uap->nsv, &vec, sizeof(vec)); 2534 if (error) 2535 return (error); 2536 sa.sa_handler = PTRIN(vec.sv_handler); 2537 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2538 sa.sa_flags = vec.sv_flags; 2539 sa.sa_flags ^= SA_RESTART; 2540 sap = &sa; 2541 } else 2542 sap = NULL; 2543 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2544 if (error == 0 && uap->osv != NULL) { 2545 vec.sv_handler = PTROUT(osa.sa_handler); 2546 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2547 vec.sv_flags = osa.sa_flags; 2548 vec.sv_flags &= ~SA_NOCLDWAIT; 2549 vec.sv_flags ^= SA_RESTART; 2550 error = copyout(&vec, uap->osv, sizeof(vec)); 2551 } 2552 return (error); 2553 } 2554 2555 int 2556 ofreebsd32_sigblock(struct thread *td, 2557 struct ofreebsd32_sigblock_args *uap) 2558 { 2559 sigset_t set, oset; 2560 2561 OSIG2SIG(uap->mask, set); 2562 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2563 SIG2OSIG(oset, td->td_retval[0]); 2564 return (0); 2565 } 2566 2567 int 2568 ofreebsd32_sigsetmask(struct thread *td, 2569 struct ofreebsd32_sigsetmask_args *uap) 2570 { 2571 sigset_t set, oset; 2572 2573 OSIG2SIG(uap->mask, set); 2574 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2575 SIG2OSIG(oset, td->td_retval[0]); 2576 return (0); 2577 } 2578 2579 int 2580 ofreebsd32_sigsuspend(struct thread *td, 2581 struct ofreebsd32_sigsuspend_args *uap) 2582 { 2583 sigset_t mask; 2584 2585 OSIG2SIG(uap->mask, mask); 2586 return (kern_sigsuspend(td, mask)); 2587 } 2588 2589 struct sigstack32 { 2590 u_int32_t ss_sp; 2591 int ss_onstack; 2592 }; 2593 2594 int 2595 ofreebsd32_sigstack(struct thread *td, 2596 struct ofreebsd32_sigstack_args *uap) 2597 { 2598 struct sigstack32 s32; 2599 struct sigstack nss, oss; 2600 int error = 0, unss; 2601 2602 if (uap->nss != NULL) { 2603 error = copyin(uap->nss, &s32, sizeof(s32)); 2604 if (error) 2605 return (error); 2606 nss.ss_sp = PTRIN(s32.ss_sp); 2607 CP(s32, nss, ss_onstack); 2608 unss = 1; 2609 } else { 2610 unss = 0; 2611 } 2612 oss.ss_sp = td->td_sigstk.ss_sp; 2613 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2614 if (unss) { 2615 td->td_sigstk.ss_sp = nss.ss_sp; 2616 td->td_sigstk.ss_size = 0; 2617 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2618 td->td_pflags |= TDP_ALTSTACK; 2619 } 2620 if (uap->oss != NULL) { 2621 s32.ss_sp = PTROUT(oss.ss_sp); 2622 CP(oss, s32, ss_onstack); 2623 error = copyout(&s32, uap->oss, sizeof(s32)); 2624 } 2625 return (error); 2626 } 2627 #endif 2628 2629 int 2630 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2631 { 2632 2633 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME, 2634 TIMER_RELTIME, uap->rqtp, uap->rmtp)); 2635 } 2636 2637 int 2638 freebsd32_clock_nanosleep(struct thread *td, 2639 struct freebsd32_clock_nanosleep_args *uap) 2640 { 2641 int error; 2642 2643 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags, 2644 uap->rqtp, uap->rmtp); 2645 return (kern_posix_error(td, error)); 2646 } 2647 2648 static int 2649 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id, 2650 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp) 2651 { 2652 struct timespec32 rmt32, rqt32; 2653 struct timespec rmt, rqt; 2654 int error, error2; 2655 2656 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32)); 2657 if (error) 2658 return (error); 2659 2660 CP(rqt32, rqt, tv_sec); 2661 CP(rqt32, rqt, tv_nsec); 2662 2663 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt); 2664 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) { 2665 CP(rmt, rmt32, tv_sec); 2666 CP(rmt, rmt32, tv_nsec); 2667 2668 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32)); 2669 if (error2 != 0) 2670 error = error2; 2671 } 2672 return (error); 2673 } 2674 2675 int 2676 freebsd32_clock_gettime(struct thread *td, 2677 struct freebsd32_clock_gettime_args *uap) 2678 { 2679 struct timespec ats; 2680 struct timespec32 ats32; 2681 int error; 2682 2683 error = kern_clock_gettime(td, uap->clock_id, &ats); 2684 if (error == 0) { 2685 CP(ats, ats32, tv_sec); 2686 CP(ats, ats32, tv_nsec); 2687 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2688 } 2689 return (error); 2690 } 2691 2692 int 2693 freebsd32_clock_settime(struct thread *td, 2694 struct freebsd32_clock_settime_args *uap) 2695 { 2696 struct timespec ats; 2697 struct timespec32 ats32; 2698 int error; 2699 2700 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2701 if (error) 2702 return (error); 2703 CP(ats32, ats, tv_sec); 2704 CP(ats32, ats, tv_nsec); 2705 2706 return (kern_clock_settime(td, uap->clock_id, &ats)); 2707 } 2708 2709 int 2710 freebsd32_clock_getres(struct thread *td, 2711 struct freebsd32_clock_getres_args *uap) 2712 { 2713 struct timespec ts; 2714 struct timespec32 ts32; 2715 int error; 2716 2717 if (uap->tp == NULL) 2718 return (0); 2719 error = kern_clock_getres(td, uap->clock_id, &ts); 2720 if (error == 0) { 2721 CP(ts, ts32, tv_sec); 2722 CP(ts, ts32, tv_nsec); 2723 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2724 } 2725 return (error); 2726 } 2727 2728 int freebsd32_ktimer_create(struct thread *td, 2729 struct freebsd32_ktimer_create_args *uap) 2730 { 2731 struct sigevent32 ev32; 2732 struct sigevent ev, *evp; 2733 int error, id; 2734 2735 if (uap->evp == NULL) { 2736 evp = NULL; 2737 } else { 2738 evp = &ev; 2739 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2740 if (error != 0) 2741 return (error); 2742 error = convert_sigevent32(&ev32, &ev); 2743 if (error != 0) 2744 return (error); 2745 } 2746 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2747 if (error == 0) { 2748 error = copyout(&id, uap->timerid, sizeof(int)); 2749 if (error != 0) 2750 kern_ktimer_delete(td, id); 2751 } 2752 return (error); 2753 } 2754 2755 int 2756 freebsd32_ktimer_settime(struct thread *td, 2757 struct freebsd32_ktimer_settime_args *uap) 2758 { 2759 struct itimerspec32 val32, oval32; 2760 struct itimerspec val, oval, *ovalp; 2761 int error; 2762 2763 error = copyin(uap->value, &val32, sizeof(val32)); 2764 if (error != 0) 2765 return (error); 2766 ITS_CP(val32, val); 2767 ovalp = uap->ovalue != NULL ? &oval : NULL; 2768 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2769 if (error == 0 && uap->ovalue != NULL) { 2770 ITS_CP(oval, oval32); 2771 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2772 } 2773 return (error); 2774 } 2775 2776 int 2777 freebsd32_ktimer_gettime(struct thread *td, 2778 struct freebsd32_ktimer_gettime_args *uap) 2779 { 2780 struct itimerspec32 val32; 2781 struct itimerspec val; 2782 int error; 2783 2784 error = kern_ktimer_gettime(td, uap->timerid, &val); 2785 if (error == 0) { 2786 ITS_CP(val, val32); 2787 error = copyout(&val32, uap->value, sizeof(val32)); 2788 } 2789 return (error); 2790 } 2791 2792 int 2793 freebsd32_clock_getcpuclockid2(struct thread *td, 2794 struct freebsd32_clock_getcpuclockid2_args *uap) 2795 { 2796 clockid_t clk_id; 2797 int error; 2798 2799 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2800 uap->which, &clk_id); 2801 if (error == 0) 2802 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2803 return (error); 2804 } 2805 2806 int 2807 freebsd32_thr_new(struct thread *td, 2808 struct freebsd32_thr_new_args *uap) 2809 { 2810 struct thr_param32 param32; 2811 struct thr_param param; 2812 int error; 2813 2814 if (uap->param_size < 0 || 2815 uap->param_size > sizeof(struct thr_param32)) 2816 return (EINVAL); 2817 bzero(¶m, sizeof(struct thr_param)); 2818 bzero(¶m32, sizeof(struct thr_param32)); 2819 error = copyin(uap->param, ¶m32, uap->param_size); 2820 if (error != 0) 2821 return (error); 2822 param.start_func = PTRIN(param32.start_func); 2823 param.arg = PTRIN(param32.arg); 2824 param.stack_base = PTRIN(param32.stack_base); 2825 param.stack_size = param32.stack_size; 2826 param.tls_base = PTRIN(param32.tls_base); 2827 param.tls_size = param32.tls_size; 2828 param.child_tid = PTRIN(param32.child_tid); 2829 param.parent_tid = PTRIN(param32.parent_tid); 2830 param.flags = param32.flags; 2831 param.rtp = PTRIN(param32.rtp); 2832 param.spare[0] = PTRIN(param32.spare[0]); 2833 param.spare[1] = PTRIN(param32.spare[1]); 2834 param.spare[2] = PTRIN(param32.spare[2]); 2835 2836 return (kern_thr_new(td, ¶m)); 2837 } 2838 2839 int 2840 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2841 { 2842 struct timespec32 ts32; 2843 struct timespec ts, *tsp; 2844 int error; 2845 2846 error = 0; 2847 tsp = NULL; 2848 if (uap->timeout != NULL) { 2849 error = copyin((const void *)uap->timeout, (void *)&ts32, 2850 sizeof(struct timespec32)); 2851 if (error != 0) 2852 return (error); 2853 ts.tv_sec = ts32.tv_sec; 2854 ts.tv_nsec = ts32.tv_nsec; 2855 tsp = &ts; 2856 } 2857 return (kern_thr_suspend(td, tsp)); 2858 } 2859 2860 void 2861 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2862 { 2863 bzero(dst, sizeof(*dst)); 2864 dst->si_signo = src->si_signo; 2865 dst->si_errno = src->si_errno; 2866 dst->si_code = src->si_code; 2867 dst->si_pid = src->si_pid; 2868 dst->si_uid = src->si_uid; 2869 dst->si_status = src->si_status; 2870 dst->si_addr = (uintptr_t)src->si_addr; 2871 dst->si_value.sival_int = src->si_value.sival_int; 2872 dst->si_timerid = src->si_timerid; 2873 dst->si_overrun = src->si_overrun; 2874 } 2875 2876 #ifndef _FREEBSD32_SYSPROTO_H_ 2877 struct freebsd32_sigqueue_args { 2878 pid_t pid; 2879 int signum; 2880 /* union sigval32 */ int value; 2881 }; 2882 #endif 2883 int 2884 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap) 2885 { 2886 union sigval sv; 2887 2888 /* 2889 * On 32-bit ABIs, sival_int and sival_ptr are the same. 2890 * On 64-bit little-endian ABIs, the low bits are the same. 2891 * In 64-bit big-endian ABIs, sival_int overlaps with 2892 * sival_ptr's HIGH bits. We choose to support sival_int 2893 * rather than sival_ptr in this case as it seems to be 2894 * more common. 2895 */ 2896 bzero(&sv, sizeof(sv)); 2897 sv.sival_int = uap->value; 2898 2899 return (kern_sigqueue(td, uap->pid, uap->signum, &sv)); 2900 } 2901 2902 int 2903 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2904 { 2905 struct timespec32 ts32; 2906 struct timespec ts; 2907 struct timespec *timeout; 2908 sigset_t set; 2909 ksiginfo_t ksi; 2910 struct siginfo32 si32; 2911 int error; 2912 2913 if (uap->timeout) { 2914 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2915 if (error) 2916 return (error); 2917 ts.tv_sec = ts32.tv_sec; 2918 ts.tv_nsec = ts32.tv_nsec; 2919 timeout = &ts; 2920 } else 2921 timeout = NULL; 2922 2923 error = copyin(uap->set, &set, sizeof(set)); 2924 if (error) 2925 return (error); 2926 2927 error = kern_sigtimedwait(td, set, &ksi, timeout); 2928 if (error) 2929 return (error); 2930 2931 if (uap->info) { 2932 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2933 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2934 } 2935 2936 if (error == 0) 2937 td->td_retval[0] = ksi.ksi_signo; 2938 return (error); 2939 } 2940 2941 /* 2942 * MPSAFE 2943 */ 2944 int 2945 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2946 { 2947 ksiginfo_t ksi; 2948 struct siginfo32 si32; 2949 sigset_t set; 2950 int error; 2951 2952 error = copyin(uap->set, &set, sizeof(set)); 2953 if (error) 2954 return (error); 2955 2956 error = kern_sigtimedwait(td, set, &ksi, NULL); 2957 if (error) 2958 return (error); 2959 2960 if (uap->info) { 2961 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2962 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2963 } 2964 if (error == 0) 2965 td->td_retval[0] = ksi.ksi_signo; 2966 return (error); 2967 } 2968 2969 int 2970 freebsd32_cpuset_setid(struct thread *td, 2971 struct freebsd32_cpuset_setid_args *uap) 2972 { 2973 2974 return (kern_cpuset_setid(td, uap->which, 2975 PAIR32TO64(id_t, uap->id), uap->setid)); 2976 } 2977 2978 int 2979 freebsd32_cpuset_getid(struct thread *td, 2980 struct freebsd32_cpuset_getid_args *uap) 2981 { 2982 2983 return (kern_cpuset_getid(td, uap->level, uap->which, 2984 PAIR32TO64(id_t, uap->id), uap->setid)); 2985 } 2986 2987 int 2988 freebsd32_cpuset_getaffinity(struct thread *td, 2989 struct freebsd32_cpuset_getaffinity_args *uap) 2990 { 2991 2992 return (kern_cpuset_getaffinity(td, uap->level, uap->which, 2993 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2994 } 2995 2996 int 2997 freebsd32_cpuset_setaffinity(struct thread *td, 2998 struct freebsd32_cpuset_setaffinity_args *uap) 2999 { 3000 3001 return (kern_cpuset_setaffinity(td, uap->level, uap->which, 3002 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 3003 } 3004 3005 int 3006 freebsd32_cpuset_getdomain(struct thread *td, 3007 struct freebsd32_cpuset_getdomain_args *uap) 3008 { 3009 3010 return (kern_cpuset_getdomain(td, uap->level, uap->which, 3011 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy)); 3012 } 3013 3014 int 3015 freebsd32_cpuset_setdomain(struct thread *td, 3016 struct freebsd32_cpuset_setdomain_args *uap) 3017 { 3018 3019 return (kern_cpuset_setdomain(td, uap->level, uap->which, 3020 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy)); 3021 } 3022 3023 int 3024 freebsd32_nmount(struct thread *td, 3025 struct freebsd32_nmount_args /* { 3026 struct iovec *iovp; 3027 unsigned int iovcnt; 3028 int flags; 3029 } */ *uap) 3030 { 3031 struct uio *auio; 3032 uint64_t flags; 3033 int error; 3034 3035 /* 3036 * Mount flags are now 64-bits. On 32-bit archtectures only 3037 * 32-bits are passed in, but from here on everything handles 3038 * 64-bit flags correctly. 3039 */ 3040 flags = uap->flags; 3041 3042 AUDIT_ARG_FFLAGS(flags); 3043 3044 /* 3045 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 3046 * userspace to set this flag, but we must filter it out if we want 3047 * MNT_UPDATE on the root file system to work. 3048 * MNT_ROOTFS should only be set by the kernel when mounting its 3049 * root file system. 3050 */ 3051 flags &= ~MNT_ROOTFS; 3052 3053 /* 3054 * check that we have an even number of iovec's 3055 * and that we have at least two options. 3056 */ 3057 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 3058 return (EINVAL); 3059 3060 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 3061 if (error) 3062 return (error); 3063 error = vfs_donmount(td, flags, auio); 3064 3065 free(auio, M_IOV); 3066 return error; 3067 } 3068 3069 #if 0 3070 int 3071 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 3072 { 3073 struct yyy32 *p32, s32; 3074 struct yyy *p = NULL, s; 3075 struct xxx_arg ap; 3076 int error; 3077 3078 if (uap->zzz) { 3079 error = copyin(uap->zzz, &s32, sizeof(s32)); 3080 if (error) 3081 return (error); 3082 /* translate in */ 3083 p = &s; 3084 } 3085 error = kern_xxx(td, p); 3086 if (error) 3087 return (error); 3088 if (uap->zzz) { 3089 /* translate out */ 3090 error = copyout(&s32, p32, sizeof(s32)); 3091 } 3092 return (error); 3093 } 3094 #endif 3095 3096 int 3097 syscall32_module_handler(struct module *mod, int what, void *arg) 3098 { 3099 3100 return (kern_syscall_module_handler(freebsd32_sysent, mod, what, arg)); 3101 } 3102 3103 int 3104 syscall32_helper_register(struct syscall_helper_data *sd, int flags) 3105 { 3106 3107 return (kern_syscall_helper_register(freebsd32_sysent, sd, flags)); 3108 } 3109 3110 int 3111 syscall32_helper_unregister(struct syscall_helper_data *sd) 3112 { 3113 3114 return (kern_syscall_helper_unregister(freebsd32_sysent, sd)); 3115 } 3116 3117 int 3118 freebsd32_copyout_strings(struct image_params *imgp, uintptr_t *stack_base) 3119 { 3120 int argc, envc, i; 3121 u_int32_t *vectp; 3122 char *stringp; 3123 uintptr_t destp, ustringp; 3124 struct freebsd32_ps_strings *arginfo; 3125 char canary[sizeof(long) * 8]; 3126 int32_t pagesizes32[MAXPAGESIZES]; 3127 size_t execpath_len; 3128 int error, szsigcode; 3129 3130 /* 3131 * Calculate string base and vector table pointers. 3132 * Also deal with signal trampoline code for this exec type. 3133 */ 3134 if (imgp->execpath != NULL && imgp->auxargs != NULL) 3135 execpath_len = strlen(imgp->execpath) + 1; 3136 else 3137 execpath_len = 0; 3138 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 3139 sv_psstrings; 3140 imgp->ps_strings = arginfo; 3141 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 3142 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 3143 else 3144 szsigcode = 0; 3145 destp = (uintptr_t)arginfo; 3146 3147 /* 3148 * install sigcode 3149 */ 3150 if (szsigcode != 0) { 3151 destp -= szsigcode; 3152 destp = rounddown2(destp, sizeof(uint32_t)); 3153 error = copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 3154 szsigcode); 3155 if (error != 0) 3156 return (error); 3157 } 3158 3159 /* 3160 * Copy the image path for the rtld. 3161 */ 3162 if (execpath_len != 0) { 3163 destp -= execpath_len; 3164 imgp->execpathp = (void *)destp; 3165 error = copyout(imgp->execpath, imgp->execpathp, execpath_len); 3166 if (error != 0) 3167 return (error); 3168 } 3169 3170 /* 3171 * Prepare the canary for SSP. 3172 */ 3173 arc4rand(canary, sizeof(canary), 0); 3174 destp -= sizeof(canary); 3175 imgp->canary = (void *)destp; 3176 error = copyout(canary, imgp->canary, sizeof(canary)); 3177 if (error != 0) 3178 return (error); 3179 imgp->canarylen = sizeof(canary); 3180 3181 /* 3182 * Prepare the pagesizes array. 3183 */ 3184 for (i = 0; i < MAXPAGESIZES; i++) 3185 pagesizes32[i] = (uint32_t)pagesizes[i]; 3186 destp -= sizeof(pagesizes32); 3187 destp = rounddown2(destp, sizeof(uint32_t)); 3188 imgp->pagesizes = (void *)destp; 3189 error = copyout(pagesizes32, imgp->pagesizes, sizeof(pagesizes32)); 3190 if (error != 0) 3191 return (error); 3192 imgp->pagesizeslen = sizeof(pagesizes32); 3193 3194 /* 3195 * Allocate room for the argument and environment strings. 3196 */ 3197 destp -= ARG_MAX - imgp->args->stringspace; 3198 destp = rounddown2(destp, sizeof(uint32_t)); 3199 ustringp = destp; 3200 3201 if (imgp->sysent->sv_stackgap != NULL) 3202 imgp->sysent->sv_stackgap(imgp, &destp); 3203 3204 if (imgp->auxargs) { 3205 /* 3206 * Allocate room on the stack for the ELF auxargs 3207 * array. It has up to AT_COUNT entries. 3208 */ 3209 destp -= AT_COUNT * sizeof(Elf32_Auxinfo); 3210 destp = rounddown2(destp, sizeof(uint32_t)); 3211 } 3212 3213 vectp = (uint32_t *)destp; 3214 3215 /* 3216 * Allocate room for the argv[] and env vectors including the 3217 * terminating NULL pointers. 3218 */ 3219 vectp -= imgp->args->argc + 1 + imgp->args->envc + 1; 3220 3221 /* 3222 * vectp also becomes our initial stack base 3223 */ 3224 *stack_base = (uintptr_t)vectp; 3225 3226 stringp = imgp->args->begin_argv; 3227 argc = imgp->args->argc; 3228 envc = imgp->args->envc; 3229 /* 3230 * Copy out strings - arguments and environment. 3231 */ 3232 error = copyout(stringp, (void *)ustringp, 3233 ARG_MAX - imgp->args->stringspace); 3234 if (error != 0) 3235 return (error); 3236 3237 /* 3238 * Fill in "ps_strings" struct for ps, w, etc. 3239 */ 3240 imgp->argv = vectp; 3241 if (suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp) != 0 || 3242 suword32(&arginfo->ps_nargvstr, argc) != 0) 3243 return (EFAULT); 3244 3245 /* 3246 * Fill in argument portion of vector table. 3247 */ 3248 for (; argc > 0; --argc) { 3249 if (suword32(vectp++, ustringp) != 0) 3250 return (EFAULT); 3251 while (*stringp++ != 0) 3252 ustringp++; 3253 ustringp++; 3254 } 3255 3256 /* a null vector table pointer separates the argp's from the envp's */ 3257 if (suword32(vectp++, 0) != 0) 3258 return (EFAULT); 3259 3260 imgp->envv = vectp; 3261 if (suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp) != 0 || 3262 suword32(&arginfo->ps_nenvstr, envc) != 0) 3263 return (EFAULT); 3264 3265 /* 3266 * Fill in environment portion of vector table. 3267 */ 3268 for (; envc > 0; --envc) { 3269 if (suword32(vectp++, ustringp) != 0) 3270 return (EFAULT); 3271 while (*stringp++ != 0) 3272 ustringp++; 3273 ustringp++; 3274 } 3275 3276 /* end of vector table is a null pointer */ 3277 if (suword32(vectp, 0) != 0) 3278 return (EFAULT); 3279 3280 if (imgp->auxargs) { 3281 vectp++; 3282 error = imgp->sysent->sv_copyout_auxargs(imgp, 3283 (uintptr_t)vectp); 3284 if (error != 0) 3285 return (error); 3286 } 3287 3288 return (0); 3289 } 3290 3291 int 3292 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 3293 { 3294 struct kld_file_stat *stat; 3295 struct kld32_file_stat *stat32; 3296 int error, version; 3297 3298 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 3299 != 0) 3300 return (error); 3301 if (version != sizeof(struct kld32_file_stat_1) && 3302 version != sizeof(struct kld32_file_stat)) 3303 return (EINVAL); 3304 3305 stat = malloc(sizeof(*stat), M_TEMP, M_WAITOK | M_ZERO); 3306 stat32 = malloc(sizeof(*stat32), M_TEMP, M_WAITOK | M_ZERO); 3307 error = kern_kldstat(td, uap->fileid, stat); 3308 if (error == 0) { 3309 bcopy(&stat->name[0], &stat32->name[0], sizeof(stat->name)); 3310 CP(*stat, *stat32, refs); 3311 CP(*stat, *stat32, id); 3312 PTROUT_CP(*stat, *stat32, address); 3313 CP(*stat, *stat32, size); 3314 bcopy(&stat->pathname[0], &stat32->pathname[0], 3315 sizeof(stat->pathname)); 3316 stat32->version = version; 3317 error = copyout(stat32, uap->stat, version); 3318 } 3319 free(stat, M_TEMP); 3320 free(stat32, M_TEMP); 3321 return (error); 3322 } 3323 3324 int 3325 freebsd32_posix_fallocate(struct thread *td, 3326 struct freebsd32_posix_fallocate_args *uap) 3327 { 3328 int error; 3329 3330 error = kern_posix_fallocate(td, uap->fd, 3331 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3332 return (kern_posix_error(td, error)); 3333 } 3334 3335 int 3336 freebsd32_posix_fadvise(struct thread *td, 3337 struct freebsd32_posix_fadvise_args *uap) 3338 { 3339 int error; 3340 3341 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 3342 PAIR32TO64(off_t, uap->len), uap->advice); 3343 return (kern_posix_error(td, error)); 3344 } 3345 3346 int 3347 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3348 { 3349 3350 CP(*sig32, *sig, sigev_notify); 3351 switch (sig->sigev_notify) { 3352 case SIGEV_NONE: 3353 break; 3354 case SIGEV_THREAD_ID: 3355 CP(*sig32, *sig, sigev_notify_thread_id); 3356 /* FALLTHROUGH */ 3357 case SIGEV_SIGNAL: 3358 CP(*sig32, *sig, sigev_signo); 3359 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3360 break; 3361 case SIGEV_KEVENT: 3362 CP(*sig32, *sig, sigev_notify_kqueue); 3363 CP(*sig32, *sig, sigev_notify_kevent_flags); 3364 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3365 break; 3366 default: 3367 return (EINVAL); 3368 } 3369 return (0); 3370 } 3371 3372 int 3373 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3374 { 3375 void *data; 3376 union { 3377 struct procctl_reaper_status rs; 3378 struct procctl_reaper_pids rp; 3379 struct procctl_reaper_kill rk; 3380 } x; 3381 union { 3382 struct procctl_reaper_pids32 rp; 3383 } x32; 3384 int error, error1, flags, signum; 3385 3386 if (uap->com >= PROC_PROCCTL_MD_MIN) 3387 return (cpu_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3388 uap->com, PTRIN(uap->data))); 3389 3390 switch (uap->com) { 3391 case PROC_ASLR_CTL: 3392 case PROC_PROTMAX_CTL: 3393 case PROC_SPROTECT: 3394 case PROC_STACKGAP_CTL: 3395 case PROC_TRACE_CTL: 3396 case PROC_TRAPCAP_CTL: 3397 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3398 if (error != 0) 3399 return (error); 3400 data = &flags; 3401 break; 3402 case PROC_REAP_ACQUIRE: 3403 case PROC_REAP_RELEASE: 3404 if (uap->data != NULL) 3405 return (EINVAL); 3406 data = NULL; 3407 break; 3408 case PROC_REAP_STATUS: 3409 data = &x.rs; 3410 break; 3411 case PROC_REAP_GETPIDS: 3412 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3413 if (error != 0) 3414 return (error); 3415 CP(x32.rp, x.rp, rp_count); 3416 PTRIN_CP(x32.rp, x.rp, rp_pids); 3417 data = &x.rp; 3418 break; 3419 case PROC_REAP_KILL: 3420 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3421 if (error != 0) 3422 return (error); 3423 data = &x.rk; 3424 break; 3425 case PROC_ASLR_STATUS: 3426 case PROC_PROTMAX_STATUS: 3427 case PROC_STACKGAP_STATUS: 3428 case PROC_TRACE_STATUS: 3429 case PROC_TRAPCAP_STATUS: 3430 data = &flags; 3431 break; 3432 case PROC_PDEATHSIG_CTL: 3433 error = copyin(uap->data, &signum, sizeof(signum)); 3434 if (error != 0) 3435 return (error); 3436 data = &signum; 3437 break; 3438 case PROC_PDEATHSIG_STATUS: 3439 data = &signum; 3440 break; 3441 default: 3442 return (EINVAL); 3443 } 3444 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3445 uap->com, data); 3446 switch (uap->com) { 3447 case PROC_REAP_STATUS: 3448 if (error == 0) 3449 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3450 break; 3451 case PROC_REAP_KILL: 3452 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3453 if (error == 0) 3454 error = error1; 3455 break; 3456 case PROC_ASLR_STATUS: 3457 case PROC_PROTMAX_STATUS: 3458 case PROC_STACKGAP_STATUS: 3459 case PROC_TRACE_STATUS: 3460 case PROC_TRAPCAP_STATUS: 3461 if (error == 0) 3462 error = copyout(&flags, uap->data, sizeof(flags)); 3463 break; 3464 case PROC_PDEATHSIG_STATUS: 3465 if (error == 0) 3466 error = copyout(&signum, uap->data, sizeof(signum)); 3467 break; 3468 } 3469 return (error); 3470 } 3471 3472 int 3473 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3474 { 3475 long tmp; 3476 3477 switch (uap->cmd) { 3478 /* 3479 * Do unsigned conversion for arg when operation 3480 * interprets it as flags or pointer. 3481 */ 3482 case F_SETLK_REMOTE: 3483 case F_SETLKW: 3484 case F_SETLK: 3485 case F_GETLK: 3486 case F_SETFD: 3487 case F_SETFL: 3488 case F_OGETLK: 3489 case F_OSETLK: 3490 case F_OSETLKW: 3491 tmp = (unsigned int)(uap->arg); 3492 break; 3493 default: 3494 tmp = uap->arg; 3495 break; 3496 } 3497 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3498 } 3499 3500 int 3501 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3502 { 3503 struct timespec32 ts32; 3504 struct timespec ts, *tsp; 3505 sigset_t set, *ssp; 3506 int error; 3507 3508 if (uap->ts != NULL) { 3509 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3510 if (error != 0) 3511 return (error); 3512 CP(ts32, ts, tv_sec); 3513 CP(ts32, ts, tv_nsec); 3514 tsp = &ts; 3515 } else 3516 tsp = NULL; 3517 if (uap->set != NULL) { 3518 error = copyin(uap->set, &set, sizeof(set)); 3519 if (error != 0) 3520 return (error); 3521 ssp = &set; 3522 } else 3523 ssp = NULL; 3524 3525 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3526 } 3527 3528 int 3529 freebsd32_sched_rr_get_interval(struct thread *td, 3530 struct freebsd32_sched_rr_get_interval_args *uap) 3531 { 3532 struct timespec ts; 3533 struct timespec32 ts32; 3534 int error; 3535 3536 error = kern_sched_rr_get_interval(td, uap->pid, &ts); 3537 if (error == 0) { 3538 CP(ts, ts32, tv_sec); 3539 CP(ts, ts32, tv_nsec); 3540 error = copyout(&ts32, uap->interval, sizeof(ts32)); 3541 } 3542 return (error); 3543 } 3544