1 /*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_compat.h" 31 #include "opt_inet.h" 32 #include "opt_inet6.h" 33 34 #define __ELF_WORD_SIZE 32 35 36 #include <sys/param.h> 37 #include <sys/bus.h> 38 #include <sys/capsicum.h> 39 #include <sys/clock.h> 40 #include <sys/exec.h> 41 #include <sys/fcntl.h> 42 #include <sys/filedesc.h> 43 #include <sys/imgact.h> 44 #include <sys/jail.h> 45 #include <sys/kernel.h> 46 #include <sys/limits.h> 47 #include <sys/linker.h> 48 #include <sys/lock.h> 49 #include <sys/malloc.h> 50 #include <sys/file.h> /* Must come after sys/malloc.h */ 51 #include <sys/imgact.h> 52 #include <sys/mbuf.h> 53 #include <sys/mman.h> 54 #include <sys/module.h> 55 #include <sys/mount.h> 56 #include <sys/mutex.h> 57 #include <sys/namei.h> 58 #include <sys/proc.h> 59 #include <sys/procctl.h> 60 #include <sys/reboot.h> 61 #include <sys/resource.h> 62 #include <sys/resourcevar.h> 63 #include <sys/selinfo.h> 64 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 65 #include <sys/pipe.h> /* Must come after sys/selinfo.h */ 66 #include <sys/signal.h> 67 #include <sys/signalvar.h> 68 #include <sys/socket.h> 69 #include <sys/socketvar.h> 70 #include <sys/stat.h> 71 #include <sys/syscall.h> 72 #include <sys/syscallsubr.h> 73 #include <sys/sysctl.h> 74 #include <sys/sysent.h> 75 #include <sys/sysproto.h> 76 #include <sys/systm.h> 77 #include <sys/thr.h> 78 #include <sys/unistd.h> 79 #include <sys/ucontext.h> 80 #include <sys/vnode.h> 81 #include <sys/wait.h> 82 #include <sys/ipc.h> 83 #include <sys/msg.h> 84 #include <sys/sem.h> 85 #include <sys/shm.h> 86 87 #ifdef INET 88 #include <netinet/in.h> 89 #endif 90 91 #include <vm/vm.h> 92 #include <vm/vm_param.h> 93 #include <vm/pmap.h> 94 #include <vm/vm_map.h> 95 #include <vm/vm_object.h> 96 #include <vm/vm_extern.h> 97 98 #include <machine/cpu.h> 99 #include <machine/elf.h> 100 101 #include <security/audit/audit.h> 102 103 #include <compat/freebsd32/freebsd32_util.h> 104 #include <compat/freebsd32/freebsd32.h> 105 #include <compat/freebsd32/freebsd32_ipc.h> 106 #include <compat/freebsd32/freebsd32_misc.h> 107 #include <compat/freebsd32/freebsd32_signal.h> 108 #include <compat/freebsd32/freebsd32_proto.h> 109 110 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 111 112 #ifdef __amd64__ 113 CTASSERT(sizeof(struct timeval32) == 8); 114 CTASSERT(sizeof(struct timespec32) == 8); 115 CTASSERT(sizeof(struct itimerval32) == 16); 116 CTASSERT(sizeof(struct bintime32) == 12); 117 #endif 118 CTASSERT(sizeof(struct statfs32) == 256); 119 #ifdef __amd64__ 120 CTASSERT(sizeof(struct rusage32) == 72); 121 #endif 122 CTASSERT(sizeof(struct sigaltstack32) == 12); 123 #ifdef __amd64__ 124 CTASSERT(sizeof(struct kevent32) == 56); 125 #else 126 CTASSERT(sizeof(struct kevent32) == 64); 127 #endif 128 CTASSERT(sizeof(struct iovec32) == 8); 129 CTASSERT(sizeof(struct msghdr32) == 28); 130 #ifdef __amd64__ 131 CTASSERT(sizeof(struct stat32) == 208); 132 CTASSERT(sizeof(struct freebsd11_stat32) == 96); 133 #endif 134 CTASSERT(sizeof(struct sigaction32) == 24); 135 136 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 137 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 138 static int freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id, 139 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp); 140 141 void 142 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 143 { 144 145 TV_CP(*s, *s32, ru_utime); 146 TV_CP(*s, *s32, ru_stime); 147 CP(*s, *s32, ru_maxrss); 148 CP(*s, *s32, ru_ixrss); 149 CP(*s, *s32, ru_idrss); 150 CP(*s, *s32, ru_isrss); 151 CP(*s, *s32, ru_minflt); 152 CP(*s, *s32, ru_majflt); 153 CP(*s, *s32, ru_nswap); 154 CP(*s, *s32, ru_inblock); 155 CP(*s, *s32, ru_oublock); 156 CP(*s, *s32, ru_msgsnd); 157 CP(*s, *s32, ru_msgrcv); 158 CP(*s, *s32, ru_nsignals); 159 CP(*s, *s32, ru_nvcsw); 160 CP(*s, *s32, ru_nivcsw); 161 } 162 163 int 164 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 165 { 166 int error, status; 167 struct rusage32 ru32; 168 struct rusage ru, *rup; 169 170 if (uap->rusage != NULL) 171 rup = &ru; 172 else 173 rup = NULL; 174 error = kern_wait(td, uap->pid, &status, uap->options, rup); 175 if (error) 176 return (error); 177 if (uap->status != NULL) 178 error = copyout(&status, uap->status, sizeof(status)); 179 if (uap->rusage != NULL && error == 0) { 180 freebsd32_rusage_out(&ru, &ru32); 181 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 182 } 183 return (error); 184 } 185 186 int 187 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 188 { 189 struct wrusage32 wru32; 190 struct __wrusage wru, *wrup; 191 struct siginfo32 si32; 192 struct __siginfo si, *sip; 193 int error, status; 194 195 if (uap->wrusage != NULL) 196 wrup = &wru; 197 else 198 wrup = NULL; 199 if (uap->info != NULL) { 200 sip = &si; 201 bzero(sip, sizeof(*sip)); 202 } else 203 sip = NULL; 204 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 205 &status, uap->options, wrup, sip); 206 if (error != 0) 207 return (error); 208 if (uap->status != NULL) 209 error = copyout(&status, uap->status, sizeof(status)); 210 if (uap->wrusage != NULL && error == 0) { 211 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 212 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 213 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 214 } 215 if (uap->info != NULL && error == 0) { 216 siginfo_to_siginfo32 (&si, &si32); 217 error = copyout(&si32, uap->info, sizeof(si32)); 218 } 219 return (error); 220 } 221 222 #ifdef COMPAT_FREEBSD4 223 static void 224 copy_statfs(struct statfs *in, struct statfs32 *out) 225 { 226 227 statfs_scale_blocks(in, INT32_MAX); 228 bzero(out, sizeof(*out)); 229 CP(*in, *out, f_bsize); 230 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 231 CP(*in, *out, f_blocks); 232 CP(*in, *out, f_bfree); 233 CP(*in, *out, f_bavail); 234 out->f_files = MIN(in->f_files, INT32_MAX); 235 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 236 CP(*in, *out, f_fsid); 237 CP(*in, *out, f_owner); 238 CP(*in, *out, f_type); 239 CP(*in, *out, f_flags); 240 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 241 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 242 strlcpy(out->f_fstypename, 243 in->f_fstypename, MFSNAMELEN); 244 strlcpy(out->f_mntonname, 245 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 246 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 247 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 248 strlcpy(out->f_mntfromname, 249 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 250 } 251 #endif 252 253 #ifdef COMPAT_FREEBSD4 254 int 255 freebsd4_freebsd32_getfsstat(struct thread *td, 256 struct freebsd4_freebsd32_getfsstat_args *uap) 257 { 258 struct statfs *buf, *sp; 259 struct statfs32 stat32; 260 size_t count, size, copycount; 261 int error; 262 263 count = uap->bufsize / sizeof(struct statfs32); 264 size = count * sizeof(struct statfs); 265 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode); 266 if (size > 0) { 267 sp = buf; 268 copycount = count; 269 while (copycount > 0 && error == 0) { 270 copy_statfs(sp, &stat32); 271 error = copyout(&stat32, uap->buf, sizeof(stat32)); 272 sp++; 273 uap->buf++; 274 copycount--; 275 } 276 free(buf, M_STATFS); 277 } 278 if (error == 0) 279 td->td_retval[0] = count; 280 return (error); 281 } 282 #endif 283 284 #ifdef COMPAT_FREEBSD10 285 int 286 freebsd10_freebsd32_pipe(struct thread *td, 287 struct freebsd10_freebsd32_pipe_args *uap) { 288 289 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap)); 290 } 291 #endif 292 293 int 294 freebsd32_sigaltstack(struct thread *td, 295 struct freebsd32_sigaltstack_args *uap) 296 { 297 struct sigaltstack32 s32; 298 struct sigaltstack ss, oss, *ssp; 299 int error; 300 301 if (uap->ss != NULL) { 302 error = copyin(uap->ss, &s32, sizeof(s32)); 303 if (error) 304 return (error); 305 PTRIN_CP(s32, ss, ss_sp); 306 CP(s32, ss, ss_size); 307 CP(s32, ss, ss_flags); 308 ssp = &ss; 309 } else 310 ssp = NULL; 311 error = kern_sigaltstack(td, ssp, &oss); 312 if (error == 0 && uap->oss != NULL) { 313 PTROUT_CP(oss, s32, ss_sp); 314 CP(oss, s32, ss_size); 315 CP(oss, s32, ss_flags); 316 error = copyout(&s32, uap->oss, sizeof(s32)); 317 } 318 return (error); 319 } 320 321 /* 322 * Custom version of exec_copyin_args() so that we can translate 323 * the pointers. 324 */ 325 int 326 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 327 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 328 { 329 char *argp, *envp; 330 u_int32_t *p32, arg; 331 size_t length; 332 int error; 333 334 bzero(args, sizeof(*args)); 335 if (argv == NULL) 336 return (EFAULT); 337 338 /* 339 * Allocate demand-paged memory for the file name, argument, and 340 * environment strings. 341 */ 342 error = exec_alloc_args(args); 343 if (error != 0) 344 return (error); 345 346 /* 347 * Copy the file name. 348 */ 349 if (fname != NULL) { 350 args->fname = args->buf; 351 error = (segflg == UIO_SYSSPACE) ? 352 copystr(fname, args->fname, PATH_MAX, &length) : 353 copyinstr(fname, args->fname, PATH_MAX, &length); 354 if (error != 0) 355 goto err_exit; 356 } else 357 length = 0; 358 359 args->begin_argv = args->buf + length; 360 args->endp = args->begin_argv; 361 args->stringspace = ARG_MAX; 362 363 /* 364 * extract arguments first 365 */ 366 p32 = argv; 367 for (;;) { 368 error = copyin(p32++, &arg, sizeof(arg)); 369 if (error) 370 goto err_exit; 371 if (arg == 0) 372 break; 373 argp = PTRIN(arg); 374 error = copyinstr(argp, args->endp, args->stringspace, &length); 375 if (error) { 376 if (error == ENAMETOOLONG) 377 error = E2BIG; 378 goto err_exit; 379 } 380 args->stringspace -= length; 381 args->endp += length; 382 args->argc++; 383 } 384 385 args->begin_envv = args->endp; 386 387 /* 388 * extract environment strings 389 */ 390 if (envv) { 391 p32 = envv; 392 for (;;) { 393 error = copyin(p32++, &arg, sizeof(arg)); 394 if (error) 395 goto err_exit; 396 if (arg == 0) 397 break; 398 envp = PTRIN(arg); 399 error = copyinstr(envp, args->endp, args->stringspace, 400 &length); 401 if (error) { 402 if (error == ENAMETOOLONG) 403 error = E2BIG; 404 goto err_exit; 405 } 406 args->stringspace -= length; 407 args->endp += length; 408 args->envc++; 409 } 410 } 411 412 return (0); 413 414 err_exit: 415 exec_free_args(args); 416 return (error); 417 } 418 419 int 420 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 421 { 422 struct image_args eargs; 423 struct vmspace *oldvmspace; 424 int error; 425 426 error = pre_execve(td, &oldvmspace); 427 if (error != 0) 428 return (error); 429 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 430 uap->argv, uap->envv); 431 if (error == 0) 432 error = kern_execve(td, &eargs, NULL); 433 post_execve(td, error, oldvmspace); 434 return (error); 435 } 436 437 int 438 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 439 { 440 struct image_args eargs; 441 struct vmspace *oldvmspace; 442 int error; 443 444 error = pre_execve(td, &oldvmspace); 445 if (error != 0) 446 return (error); 447 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 448 uap->argv, uap->envv); 449 if (error == 0) { 450 eargs.fd = uap->fd; 451 error = kern_execve(td, &eargs, NULL); 452 } 453 post_execve(td, error, oldvmspace); 454 return (error); 455 } 456 457 #if defined(COMPAT_FREEBSD11) 458 int 459 freebsd11_freebsd32_mknod(struct thread *td, 460 struct freebsd11_freebsd32_mknod_args *uap) 461 { 462 463 return (kern_mknodat(td, AT_FDCWD, uap->path, UIO_USERSPACE, uap->mode, 464 uap->dev)); 465 } 466 467 int 468 freebsd11_freebsd32_mknodat(struct thread *td, 469 struct freebsd11_freebsd32_mknodat_args *uap) 470 { 471 472 return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE, uap->mode, 473 uap->dev)); 474 } 475 #endif /* COMPAT_FREEBSD11 */ 476 477 int 478 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 479 { 480 int prot; 481 482 prot = uap->prot; 483 #if defined(__amd64__) 484 if (i386_read_exec && (prot & PROT_READ) != 0) 485 prot |= PROT_EXEC; 486 #endif 487 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len, 488 prot)); 489 } 490 491 int 492 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 493 { 494 int prot; 495 496 prot = uap->prot; 497 #if defined(__amd64__) 498 if (i386_read_exec && (prot & PROT_READ)) 499 prot |= PROT_EXEC; 500 #endif 501 502 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 503 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 504 } 505 506 #ifdef COMPAT_FREEBSD6 507 int 508 freebsd6_freebsd32_mmap(struct thread *td, 509 struct freebsd6_freebsd32_mmap_args *uap) 510 { 511 int prot; 512 513 prot = uap->prot; 514 #if defined(__amd64__) 515 if (i386_read_exec && (prot & PROT_READ)) 516 prot |= PROT_EXEC; 517 #endif 518 519 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 520 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 521 } 522 #endif 523 524 int 525 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 526 { 527 struct itimerval itv, oitv, *itvp; 528 struct itimerval32 i32; 529 int error; 530 531 if (uap->itv != NULL) { 532 error = copyin(uap->itv, &i32, sizeof(i32)); 533 if (error) 534 return (error); 535 TV_CP(i32, itv, it_interval); 536 TV_CP(i32, itv, it_value); 537 itvp = &itv; 538 } else 539 itvp = NULL; 540 error = kern_setitimer(td, uap->which, itvp, &oitv); 541 if (error || uap->oitv == NULL) 542 return (error); 543 TV_CP(oitv, i32, it_interval); 544 TV_CP(oitv, i32, it_value); 545 return (copyout(&i32, uap->oitv, sizeof(i32))); 546 } 547 548 int 549 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 550 { 551 struct itimerval itv; 552 struct itimerval32 i32; 553 int error; 554 555 error = kern_getitimer(td, uap->which, &itv); 556 if (error || uap->itv == NULL) 557 return (error); 558 TV_CP(itv, i32, it_interval); 559 TV_CP(itv, i32, it_value); 560 return (copyout(&i32, uap->itv, sizeof(i32))); 561 } 562 563 int 564 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 565 { 566 struct timeval32 tv32; 567 struct timeval tv, *tvp; 568 int error; 569 570 if (uap->tv != NULL) { 571 error = copyin(uap->tv, &tv32, sizeof(tv32)); 572 if (error) 573 return (error); 574 CP(tv32, tv, tv_sec); 575 CP(tv32, tv, tv_usec); 576 tvp = &tv; 577 } else 578 tvp = NULL; 579 /* 580 * XXX Do pointers need PTRIN()? 581 */ 582 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 583 sizeof(int32_t) * 8)); 584 } 585 586 int 587 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 588 { 589 struct timespec32 ts32; 590 struct timespec ts; 591 struct timeval tv, *tvp; 592 sigset_t set, *uset; 593 int error; 594 595 if (uap->ts != NULL) { 596 error = copyin(uap->ts, &ts32, sizeof(ts32)); 597 if (error != 0) 598 return (error); 599 CP(ts32, ts, tv_sec); 600 CP(ts32, ts, tv_nsec); 601 TIMESPEC_TO_TIMEVAL(&tv, &ts); 602 tvp = &tv; 603 } else 604 tvp = NULL; 605 if (uap->sm != NULL) { 606 error = copyin(uap->sm, &set, sizeof(set)); 607 if (error != 0) 608 return (error); 609 uset = &set; 610 } else 611 uset = NULL; 612 /* 613 * XXX Do pointers need PTRIN()? 614 */ 615 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 616 uset, sizeof(int32_t) * 8); 617 return (error); 618 } 619 620 /* 621 * Copy 'count' items into the destination list pointed to by uap->eventlist. 622 */ 623 static int 624 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 625 { 626 struct freebsd32_kevent_args *uap; 627 struct kevent32 ks32[KQ_NEVENTS]; 628 uint64_t e; 629 int i, j, error; 630 631 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 632 uap = (struct freebsd32_kevent_args *)arg; 633 634 for (i = 0; i < count; i++) { 635 CP(kevp[i], ks32[i], ident); 636 CP(kevp[i], ks32[i], filter); 637 CP(kevp[i], ks32[i], flags); 638 CP(kevp[i], ks32[i], fflags); 639 #if BYTE_ORDER == LITTLE_ENDIAN 640 ks32[i].data1 = kevp[i].data; 641 ks32[i].data2 = kevp[i].data >> 32; 642 #else 643 ks32[i].data1 = kevp[i].data >> 32; 644 ks32[i].data2 = kevp[i].data; 645 #endif 646 PTROUT_CP(kevp[i], ks32[i], udata); 647 for (j = 0; j < nitems(kevp->ext); j++) { 648 e = kevp[i].ext[j]; 649 #if BYTE_ORDER == LITTLE_ENDIAN 650 ks32[i].ext64[2 * j] = e; 651 ks32[i].ext64[2 * j + 1] = e >> 32; 652 #else 653 ks32[i].ext64[2 * j] = e >> 32; 654 ks32[i].ext64[2 * j + 1] = e; 655 #endif 656 } 657 } 658 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 659 if (error == 0) 660 uap->eventlist += count; 661 return (error); 662 } 663 664 /* 665 * Copy 'count' items from the list pointed to by uap->changelist. 666 */ 667 static int 668 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 669 { 670 struct freebsd32_kevent_args *uap; 671 struct kevent32 ks32[KQ_NEVENTS]; 672 uint64_t e; 673 int i, j, error; 674 675 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 676 uap = (struct freebsd32_kevent_args *)arg; 677 678 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 679 if (error) 680 goto done; 681 uap->changelist += count; 682 683 for (i = 0; i < count; i++) { 684 CP(ks32[i], kevp[i], ident); 685 CP(ks32[i], kevp[i], filter); 686 CP(ks32[i], kevp[i], flags); 687 CP(ks32[i], kevp[i], fflags); 688 kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data); 689 PTRIN_CP(ks32[i], kevp[i], udata); 690 for (j = 0; j < nitems(kevp->ext); j++) { 691 #if BYTE_ORDER == LITTLE_ENDIAN 692 e = ks32[i].ext64[2 * j + 1]; 693 e <<= 32; 694 e += ks32[i].ext64[2 * j]; 695 #else 696 e = ks32[i].ext64[2 * j]; 697 e <<= 32; 698 e += ks32[i].ext64[2 * j + 1]; 699 #endif 700 kevp[i].ext[j] = e; 701 } 702 } 703 done: 704 return (error); 705 } 706 707 int 708 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 709 { 710 struct timespec32 ts32; 711 struct timespec ts, *tsp; 712 struct kevent_copyops k_ops = { 713 .arg = uap, 714 .k_copyout = freebsd32_kevent_copyout, 715 .k_copyin = freebsd32_kevent_copyin, 716 }; 717 int error; 718 719 if (uap->timeout) { 720 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 721 if (error) 722 return (error); 723 CP(ts32, ts, tv_sec); 724 CP(ts32, ts, tv_nsec); 725 tsp = &ts; 726 } else 727 tsp = NULL; 728 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 729 &k_ops, tsp); 730 return (error); 731 } 732 733 #ifdef COMPAT_FREEBSD11 734 struct kevent32_freebsd11 { 735 u_int32_t ident; /* identifier for this event */ 736 short filter; /* filter for event */ 737 u_short flags; 738 u_int fflags; 739 int32_t data; 740 u_int32_t udata; /* opaque user data identifier */ 741 }; 742 743 static int 744 freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count) 745 { 746 struct freebsd11_freebsd32_kevent_args *uap; 747 struct kevent32_freebsd11 ks32[KQ_NEVENTS]; 748 int i, error; 749 750 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 751 uap = (struct freebsd11_freebsd32_kevent_args *)arg; 752 753 for (i = 0; i < count; i++) { 754 CP(kevp[i], ks32[i], ident); 755 CP(kevp[i], ks32[i], filter); 756 CP(kevp[i], ks32[i], flags); 757 CP(kevp[i], ks32[i], fflags); 758 CP(kevp[i], ks32[i], data); 759 PTROUT_CP(kevp[i], ks32[i], udata); 760 } 761 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 762 if (error == 0) 763 uap->eventlist += count; 764 return (error); 765 } 766 767 /* 768 * Copy 'count' items from the list pointed to by uap->changelist. 769 */ 770 static int 771 freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count) 772 { 773 struct freebsd11_freebsd32_kevent_args *uap; 774 struct kevent32_freebsd11 ks32[KQ_NEVENTS]; 775 int i, j, error; 776 777 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 778 uap = (struct freebsd11_freebsd32_kevent_args *)arg; 779 780 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 781 if (error) 782 goto done; 783 uap->changelist += count; 784 785 for (i = 0; i < count; i++) { 786 CP(ks32[i], kevp[i], ident); 787 CP(ks32[i], kevp[i], filter); 788 CP(ks32[i], kevp[i], flags); 789 CP(ks32[i], kevp[i], fflags); 790 CP(ks32[i], kevp[i], data); 791 PTRIN_CP(ks32[i], kevp[i], udata); 792 for (j = 0; j < nitems(kevp->ext); j++) 793 kevp[i].ext[j] = 0; 794 } 795 done: 796 return (error); 797 } 798 799 int 800 freebsd11_freebsd32_kevent(struct thread *td, 801 struct freebsd11_freebsd32_kevent_args *uap) 802 { 803 struct timespec32 ts32; 804 struct timespec ts, *tsp; 805 struct kevent_copyops k_ops = { 806 .arg = uap, 807 .k_copyout = freebsd32_kevent11_copyout, 808 .k_copyin = freebsd32_kevent11_copyin, 809 }; 810 int error; 811 812 if (uap->timeout) { 813 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 814 if (error) 815 return (error); 816 CP(ts32, ts, tv_sec); 817 CP(ts32, ts, tv_nsec); 818 tsp = &ts; 819 } else 820 tsp = NULL; 821 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 822 &k_ops, tsp); 823 return (error); 824 } 825 #endif 826 827 int 828 freebsd32_gettimeofday(struct thread *td, 829 struct freebsd32_gettimeofday_args *uap) 830 { 831 struct timeval atv; 832 struct timeval32 atv32; 833 struct timezone rtz; 834 int error = 0; 835 836 if (uap->tp) { 837 microtime(&atv); 838 CP(atv, atv32, tv_sec); 839 CP(atv, atv32, tv_usec); 840 error = copyout(&atv32, uap->tp, sizeof (atv32)); 841 } 842 if (error == 0 && uap->tzp != NULL) { 843 rtz.tz_minuteswest = tz_minuteswest; 844 rtz.tz_dsttime = tz_dsttime; 845 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 846 } 847 return (error); 848 } 849 850 int 851 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 852 { 853 struct rusage32 s32; 854 struct rusage s; 855 int error; 856 857 error = kern_getrusage(td, uap->who, &s); 858 if (error) 859 return (error); 860 if (uap->rusage != NULL) { 861 freebsd32_rusage_out(&s, &s32); 862 error = copyout(&s32, uap->rusage, sizeof(s32)); 863 } 864 return (error); 865 } 866 867 static int 868 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 869 { 870 struct iovec32 iov32; 871 struct iovec *iov; 872 struct uio *uio; 873 u_int iovlen; 874 int error, i; 875 876 *uiop = NULL; 877 if (iovcnt > UIO_MAXIOV) 878 return (EINVAL); 879 iovlen = iovcnt * sizeof(struct iovec); 880 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 881 iov = (struct iovec *)(uio + 1); 882 for (i = 0; i < iovcnt; i++) { 883 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 884 if (error) { 885 free(uio, M_IOV); 886 return (error); 887 } 888 iov[i].iov_base = PTRIN(iov32.iov_base); 889 iov[i].iov_len = iov32.iov_len; 890 } 891 uio->uio_iov = iov; 892 uio->uio_iovcnt = iovcnt; 893 uio->uio_segflg = UIO_USERSPACE; 894 uio->uio_offset = -1; 895 uio->uio_resid = 0; 896 for (i = 0; i < iovcnt; i++) { 897 if (iov->iov_len > INT_MAX - uio->uio_resid) { 898 free(uio, M_IOV); 899 return (EINVAL); 900 } 901 uio->uio_resid += iov->iov_len; 902 iov++; 903 } 904 *uiop = uio; 905 return (0); 906 } 907 908 int 909 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 910 { 911 struct uio *auio; 912 int error; 913 914 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 915 if (error) 916 return (error); 917 error = kern_readv(td, uap->fd, auio); 918 free(auio, M_IOV); 919 return (error); 920 } 921 922 int 923 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 924 { 925 struct uio *auio; 926 int error; 927 928 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 929 if (error) 930 return (error); 931 error = kern_writev(td, uap->fd, auio); 932 free(auio, M_IOV); 933 return (error); 934 } 935 936 int 937 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 938 { 939 struct uio *auio; 940 int error; 941 942 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 943 if (error) 944 return (error); 945 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 946 free(auio, M_IOV); 947 return (error); 948 } 949 950 int 951 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 952 { 953 struct uio *auio; 954 int error; 955 956 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 957 if (error) 958 return (error); 959 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 960 free(auio, M_IOV); 961 return (error); 962 } 963 964 int 965 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 966 int error) 967 { 968 struct iovec32 iov32; 969 struct iovec *iov; 970 u_int iovlen; 971 int i; 972 973 *iovp = NULL; 974 if (iovcnt > UIO_MAXIOV) 975 return (error); 976 iovlen = iovcnt * sizeof(struct iovec); 977 iov = malloc(iovlen, M_IOV, M_WAITOK); 978 for (i = 0; i < iovcnt; i++) { 979 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 980 if (error) { 981 free(iov, M_IOV); 982 return (error); 983 } 984 iov[i].iov_base = PTRIN(iov32.iov_base); 985 iov[i].iov_len = iov32.iov_len; 986 } 987 *iovp = iov; 988 return (0); 989 } 990 991 static int 992 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 993 { 994 struct msghdr32 m32; 995 int error; 996 997 error = copyin(msg32, &m32, sizeof(m32)); 998 if (error) 999 return (error); 1000 msg->msg_name = PTRIN(m32.msg_name); 1001 msg->msg_namelen = m32.msg_namelen; 1002 msg->msg_iov = PTRIN(m32.msg_iov); 1003 msg->msg_iovlen = m32.msg_iovlen; 1004 msg->msg_control = PTRIN(m32.msg_control); 1005 msg->msg_controllen = m32.msg_controllen; 1006 msg->msg_flags = m32.msg_flags; 1007 return (0); 1008 } 1009 1010 static int 1011 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 1012 { 1013 struct msghdr32 m32; 1014 int error; 1015 1016 m32.msg_name = PTROUT(msg->msg_name); 1017 m32.msg_namelen = msg->msg_namelen; 1018 m32.msg_iov = PTROUT(msg->msg_iov); 1019 m32.msg_iovlen = msg->msg_iovlen; 1020 m32.msg_control = PTROUT(msg->msg_control); 1021 m32.msg_controllen = msg->msg_controllen; 1022 m32.msg_flags = msg->msg_flags; 1023 error = copyout(&m32, msg32, sizeof(m32)); 1024 return (error); 1025 } 1026 1027 #ifndef __mips__ 1028 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 1029 #else 1030 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 1031 #endif 1032 #define FREEBSD32_ALIGN(p) \ 1033 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 1034 #define FREEBSD32_CMSG_SPACE(l) \ 1035 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 1036 1037 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 1038 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 1039 1040 static size_t 1041 freebsd32_cmsg_convert(struct cmsghdr *cm, void *data, socklen_t datalen) 1042 { 1043 size_t copylen; 1044 union { 1045 struct timespec32 ts; 1046 struct timeval32 tv; 1047 struct bintime32 bt; 1048 } tmp32; 1049 1050 union { 1051 struct timespec ts; 1052 struct timeval tv; 1053 struct bintime bt; 1054 } *in; 1055 1056 in = data; 1057 copylen = 0; 1058 switch (cm->cmsg_level) { 1059 case SOL_SOCKET: 1060 switch (cm->cmsg_type) { 1061 case SCM_TIMESTAMP: 1062 TV_CP(*in, tmp32, tv); 1063 copylen = sizeof(tmp32.tv); 1064 break; 1065 1066 case SCM_BINTIME: 1067 BT_CP(*in, tmp32, bt); 1068 copylen = sizeof(tmp32.bt); 1069 break; 1070 1071 case SCM_REALTIME: 1072 case SCM_MONOTONIC: 1073 TS_CP(*in, tmp32, ts); 1074 copylen = sizeof(tmp32.ts); 1075 break; 1076 1077 default: 1078 break; 1079 } 1080 1081 default: 1082 break; 1083 } 1084 1085 if (copylen == 0) 1086 return (datalen); 1087 1088 KASSERT((datalen >= copylen), ("corrupted cmsghdr")); 1089 1090 bcopy(&tmp32, data, copylen); 1091 return (copylen); 1092 } 1093 1094 static int 1095 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 1096 { 1097 struct cmsghdr *cm; 1098 void *data; 1099 socklen_t clen, datalen, datalen_out; 1100 int error; 1101 caddr_t ctlbuf; 1102 int len, maxlen, copylen; 1103 struct mbuf *m; 1104 error = 0; 1105 1106 len = msg->msg_controllen; 1107 maxlen = msg->msg_controllen; 1108 msg->msg_controllen = 0; 1109 1110 m = control; 1111 ctlbuf = msg->msg_control; 1112 1113 while (m && len > 0) { 1114 cm = mtod(m, struct cmsghdr *); 1115 clen = m->m_len; 1116 1117 while (cm != NULL) { 1118 1119 if (sizeof(struct cmsghdr) > clen || 1120 cm->cmsg_len > clen) { 1121 error = EINVAL; 1122 break; 1123 } 1124 1125 data = CMSG_DATA(cm); 1126 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1127 datalen_out = freebsd32_cmsg_convert(cm, data, datalen); 1128 1129 /* Adjust message length */ 1130 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1131 datalen_out; 1132 1133 /* Copy cmsghdr */ 1134 copylen = sizeof(struct cmsghdr); 1135 if (len < copylen) { 1136 msg->msg_flags |= MSG_CTRUNC; 1137 copylen = len; 1138 } 1139 1140 error = copyout(cm, ctlbuf, copylen); 1141 if (error) 1142 goto exit; 1143 1144 ctlbuf += FREEBSD32_ALIGN(copylen); 1145 len -= FREEBSD32_ALIGN(copylen); 1146 1147 if (len <= 0) 1148 break; 1149 1150 /* Copy data */ 1151 copylen = datalen_out; 1152 if (len < copylen) { 1153 msg->msg_flags |= MSG_CTRUNC; 1154 copylen = len; 1155 } 1156 1157 error = copyout(data, ctlbuf, copylen); 1158 if (error) 1159 goto exit; 1160 1161 ctlbuf += FREEBSD32_ALIGN(copylen); 1162 len -= FREEBSD32_ALIGN(copylen); 1163 1164 if (CMSG_SPACE(datalen) < clen) { 1165 clen -= CMSG_SPACE(datalen); 1166 cm = (struct cmsghdr *) 1167 ((caddr_t)cm + CMSG_SPACE(datalen)); 1168 } else { 1169 clen = 0; 1170 cm = NULL; 1171 } 1172 } 1173 m = m->m_next; 1174 } 1175 1176 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1177 1178 exit: 1179 return (error); 1180 1181 } 1182 1183 int 1184 freebsd32_recvmsg(td, uap) 1185 struct thread *td; 1186 struct freebsd32_recvmsg_args /* { 1187 int s; 1188 struct msghdr32 *msg; 1189 int flags; 1190 } */ *uap; 1191 { 1192 struct msghdr msg; 1193 struct msghdr32 m32; 1194 struct iovec *uiov, *iov; 1195 struct mbuf *control = NULL; 1196 struct mbuf **controlp; 1197 1198 int error; 1199 error = copyin(uap->msg, &m32, sizeof(m32)); 1200 if (error) 1201 return (error); 1202 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1203 if (error) 1204 return (error); 1205 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1206 EMSGSIZE); 1207 if (error) 1208 return (error); 1209 msg.msg_flags = uap->flags; 1210 uiov = msg.msg_iov; 1211 msg.msg_iov = iov; 1212 1213 controlp = (msg.msg_control != NULL) ? &control : NULL; 1214 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1215 if (error == 0) { 1216 msg.msg_iov = uiov; 1217 1218 if (control != NULL) 1219 error = freebsd32_copy_msg_out(&msg, control); 1220 else 1221 msg.msg_controllen = 0; 1222 1223 if (error == 0) 1224 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1225 } 1226 free(iov, M_IOV); 1227 1228 if (control != NULL) 1229 m_freem(control); 1230 1231 return (error); 1232 } 1233 1234 /* 1235 * Copy-in the array of control messages constructed using alignment 1236 * and padding suitable for a 32-bit environment and construct an 1237 * mbuf using alignment and padding suitable for a 64-bit kernel. 1238 * The alignment and padding are defined indirectly by CMSG_DATA(), 1239 * CMSG_SPACE() and CMSG_LEN(). 1240 */ 1241 static int 1242 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1243 { 1244 struct mbuf *m; 1245 void *md; 1246 u_int idx, len, msglen; 1247 int error; 1248 1249 buflen = FREEBSD32_ALIGN(buflen); 1250 1251 if (buflen > MCLBYTES) 1252 return (EINVAL); 1253 1254 /* 1255 * Iterate over the buffer and get the length of each message 1256 * in there. This has 32-bit alignment and padding. Use it to 1257 * determine the length of these messages when using 64-bit 1258 * alignment and padding. 1259 */ 1260 idx = 0; 1261 len = 0; 1262 while (idx < buflen) { 1263 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1264 if (error) 1265 return (error); 1266 if (msglen < sizeof(struct cmsghdr)) 1267 return (EINVAL); 1268 msglen = FREEBSD32_ALIGN(msglen); 1269 if (idx + msglen > buflen) 1270 return (EINVAL); 1271 idx += msglen; 1272 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1273 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1274 len += CMSG_ALIGN(msglen); 1275 } 1276 1277 if (len > MCLBYTES) 1278 return (EINVAL); 1279 1280 m = m_get(M_WAITOK, MT_CONTROL); 1281 if (len > MLEN) 1282 MCLGET(m, M_WAITOK); 1283 m->m_len = len; 1284 1285 md = mtod(m, void *); 1286 while (buflen > 0) { 1287 error = copyin(buf, md, sizeof(struct cmsghdr)); 1288 if (error) 1289 break; 1290 msglen = *(u_int *)md; 1291 msglen = FREEBSD32_ALIGN(msglen); 1292 1293 /* Modify the message length to account for alignment. */ 1294 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1295 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1296 1297 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1298 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1299 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1300 1301 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1302 if (msglen > 0) { 1303 error = copyin(buf, md, msglen); 1304 if (error) 1305 break; 1306 md = (char *)md + CMSG_ALIGN(msglen); 1307 buf += msglen; 1308 buflen -= msglen; 1309 } 1310 } 1311 1312 if (error) 1313 m_free(m); 1314 else 1315 *mp = m; 1316 return (error); 1317 } 1318 1319 int 1320 freebsd32_sendmsg(struct thread *td, 1321 struct freebsd32_sendmsg_args *uap) 1322 { 1323 struct msghdr msg; 1324 struct msghdr32 m32; 1325 struct iovec *iov; 1326 struct mbuf *control = NULL; 1327 struct sockaddr *to = NULL; 1328 int error; 1329 1330 error = copyin(uap->msg, &m32, sizeof(m32)); 1331 if (error) 1332 return (error); 1333 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1334 if (error) 1335 return (error); 1336 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1337 EMSGSIZE); 1338 if (error) 1339 return (error); 1340 msg.msg_iov = iov; 1341 if (msg.msg_name != NULL) { 1342 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1343 if (error) { 1344 to = NULL; 1345 goto out; 1346 } 1347 msg.msg_name = to; 1348 } 1349 1350 if (msg.msg_control) { 1351 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1352 error = EINVAL; 1353 goto out; 1354 } 1355 1356 error = freebsd32_copyin_control(&control, msg.msg_control, 1357 msg.msg_controllen); 1358 if (error) 1359 goto out; 1360 1361 msg.msg_control = NULL; 1362 msg.msg_controllen = 0; 1363 } 1364 1365 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1366 UIO_USERSPACE); 1367 1368 out: 1369 free(iov, M_IOV); 1370 if (to) 1371 free(to, M_SONAME); 1372 return (error); 1373 } 1374 1375 int 1376 freebsd32_recvfrom(struct thread *td, 1377 struct freebsd32_recvfrom_args *uap) 1378 { 1379 struct msghdr msg; 1380 struct iovec aiov; 1381 int error; 1382 1383 if (uap->fromlenaddr) { 1384 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1385 sizeof(msg.msg_namelen)); 1386 if (error) 1387 return (error); 1388 } else { 1389 msg.msg_namelen = 0; 1390 } 1391 1392 msg.msg_name = PTRIN(uap->from); 1393 msg.msg_iov = &aiov; 1394 msg.msg_iovlen = 1; 1395 aiov.iov_base = PTRIN(uap->buf); 1396 aiov.iov_len = uap->len; 1397 msg.msg_control = NULL; 1398 msg.msg_flags = uap->flags; 1399 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1400 if (error == 0 && uap->fromlenaddr) 1401 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1402 sizeof (msg.msg_namelen)); 1403 return (error); 1404 } 1405 1406 int 1407 freebsd32_settimeofday(struct thread *td, 1408 struct freebsd32_settimeofday_args *uap) 1409 { 1410 struct timeval32 tv32; 1411 struct timeval tv, *tvp; 1412 struct timezone tz, *tzp; 1413 int error; 1414 1415 if (uap->tv) { 1416 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1417 if (error) 1418 return (error); 1419 CP(tv32, tv, tv_sec); 1420 CP(tv32, tv, tv_usec); 1421 tvp = &tv; 1422 } else 1423 tvp = NULL; 1424 if (uap->tzp) { 1425 error = copyin(uap->tzp, &tz, sizeof(tz)); 1426 if (error) 1427 return (error); 1428 tzp = &tz; 1429 } else 1430 tzp = NULL; 1431 return (kern_settimeofday(td, tvp, tzp)); 1432 } 1433 1434 int 1435 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1436 { 1437 struct timeval32 s32[2]; 1438 struct timeval s[2], *sp; 1439 int error; 1440 1441 if (uap->tptr != NULL) { 1442 error = copyin(uap->tptr, s32, sizeof(s32)); 1443 if (error) 1444 return (error); 1445 CP(s32[0], s[0], tv_sec); 1446 CP(s32[0], s[0], tv_usec); 1447 CP(s32[1], s[1], tv_sec); 1448 CP(s32[1], s[1], tv_usec); 1449 sp = s; 1450 } else 1451 sp = NULL; 1452 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1453 sp, UIO_SYSSPACE)); 1454 } 1455 1456 int 1457 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1458 { 1459 struct timeval32 s32[2]; 1460 struct timeval s[2], *sp; 1461 int error; 1462 1463 if (uap->tptr != NULL) { 1464 error = copyin(uap->tptr, s32, sizeof(s32)); 1465 if (error) 1466 return (error); 1467 CP(s32[0], s[0], tv_sec); 1468 CP(s32[0], s[0], tv_usec); 1469 CP(s32[1], s[1], tv_sec); 1470 CP(s32[1], s[1], tv_usec); 1471 sp = s; 1472 } else 1473 sp = NULL; 1474 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1475 } 1476 1477 int 1478 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1479 { 1480 struct timeval32 s32[2]; 1481 struct timeval s[2], *sp; 1482 int error; 1483 1484 if (uap->tptr != NULL) { 1485 error = copyin(uap->tptr, s32, sizeof(s32)); 1486 if (error) 1487 return (error); 1488 CP(s32[0], s[0], tv_sec); 1489 CP(s32[0], s[0], tv_usec); 1490 CP(s32[1], s[1], tv_sec); 1491 CP(s32[1], s[1], tv_usec); 1492 sp = s; 1493 } else 1494 sp = NULL; 1495 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1496 } 1497 1498 int 1499 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1500 { 1501 struct timeval32 s32[2]; 1502 struct timeval s[2], *sp; 1503 int error; 1504 1505 if (uap->times != NULL) { 1506 error = copyin(uap->times, s32, sizeof(s32)); 1507 if (error) 1508 return (error); 1509 CP(s32[0], s[0], tv_sec); 1510 CP(s32[0], s[0], tv_usec); 1511 CP(s32[1], s[1], tv_sec); 1512 CP(s32[1], s[1], tv_usec); 1513 sp = s; 1514 } else 1515 sp = NULL; 1516 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1517 sp, UIO_SYSSPACE)); 1518 } 1519 1520 int 1521 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1522 { 1523 struct timespec32 ts32[2]; 1524 struct timespec ts[2], *tsp; 1525 int error; 1526 1527 if (uap->times != NULL) { 1528 error = copyin(uap->times, ts32, sizeof(ts32)); 1529 if (error) 1530 return (error); 1531 CP(ts32[0], ts[0], tv_sec); 1532 CP(ts32[0], ts[0], tv_nsec); 1533 CP(ts32[1], ts[1], tv_sec); 1534 CP(ts32[1], ts[1], tv_nsec); 1535 tsp = ts; 1536 } else 1537 tsp = NULL; 1538 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1539 } 1540 1541 int 1542 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1543 { 1544 struct timespec32 ts32[2]; 1545 struct timespec ts[2], *tsp; 1546 int error; 1547 1548 if (uap->times != NULL) { 1549 error = copyin(uap->times, ts32, sizeof(ts32)); 1550 if (error) 1551 return (error); 1552 CP(ts32[0], ts[0], tv_sec); 1553 CP(ts32[0], ts[0], tv_nsec); 1554 CP(ts32[1], ts[1], tv_sec); 1555 CP(ts32[1], ts[1], tv_nsec); 1556 tsp = ts; 1557 } else 1558 tsp = NULL; 1559 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1560 tsp, UIO_SYSSPACE, uap->flag)); 1561 } 1562 1563 int 1564 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1565 { 1566 struct timeval32 tv32; 1567 struct timeval delta, olddelta, *deltap; 1568 int error; 1569 1570 if (uap->delta) { 1571 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1572 if (error) 1573 return (error); 1574 CP(tv32, delta, tv_sec); 1575 CP(tv32, delta, tv_usec); 1576 deltap = δ 1577 } else 1578 deltap = NULL; 1579 error = kern_adjtime(td, deltap, &olddelta); 1580 if (uap->olddelta && error == 0) { 1581 CP(olddelta, tv32, tv_sec); 1582 CP(olddelta, tv32, tv_usec); 1583 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1584 } 1585 return (error); 1586 } 1587 1588 #ifdef COMPAT_FREEBSD4 1589 int 1590 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1591 { 1592 struct statfs32 s32; 1593 struct statfs *sp; 1594 int error; 1595 1596 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1597 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1598 if (error == 0) { 1599 copy_statfs(sp, &s32); 1600 error = copyout(&s32, uap->buf, sizeof(s32)); 1601 } 1602 free(sp, M_STATFS); 1603 return (error); 1604 } 1605 #endif 1606 1607 #ifdef COMPAT_FREEBSD4 1608 int 1609 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1610 { 1611 struct statfs32 s32; 1612 struct statfs *sp; 1613 int error; 1614 1615 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1616 error = kern_fstatfs(td, uap->fd, sp); 1617 if (error == 0) { 1618 copy_statfs(sp, &s32); 1619 error = copyout(&s32, uap->buf, sizeof(s32)); 1620 } 1621 free(sp, M_STATFS); 1622 return (error); 1623 } 1624 #endif 1625 1626 #ifdef COMPAT_FREEBSD4 1627 int 1628 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1629 { 1630 struct statfs32 s32; 1631 struct statfs *sp; 1632 fhandle_t fh; 1633 int error; 1634 1635 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1636 return (error); 1637 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1638 error = kern_fhstatfs(td, fh, sp); 1639 if (error == 0) { 1640 copy_statfs(sp, &s32); 1641 error = copyout(&s32, uap->buf, sizeof(s32)); 1642 } 1643 free(sp, M_STATFS); 1644 return (error); 1645 } 1646 #endif 1647 1648 int 1649 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1650 { 1651 1652 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1653 PAIR32TO64(off_t, uap->offset))); 1654 } 1655 1656 int 1657 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1658 { 1659 1660 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1661 PAIR32TO64(off_t, uap->offset))); 1662 } 1663 1664 #ifdef COMPAT_43 1665 int 1666 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1667 { 1668 1669 return (kern_lseek(td, uap->fd, uap->offset, uap->whence)); 1670 } 1671 #endif 1672 1673 int 1674 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1675 { 1676 int error; 1677 off_t pos; 1678 1679 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1680 uap->whence); 1681 /* Expand the quad return into two parts for eax and edx */ 1682 pos = td->td_uretoff.tdu_off; 1683 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1684 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1685 return error; 1686 } 1687 1688 int 1689 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1690 { 1691 1692 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1693 PAIR32TO64(off_t, uap->length))); 1694 } 1695 1696 int 1697 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1698 { 1699 1700 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1701 } 1702 1703 #ifdef COMPAT_43 1704 int 1705 ofreebsd32_getdirentries(struct thread *td, 1706 struct ofreebsd32_getdirentries_args *uap) 1707 { 1708 struct ogetdirentries_args ap; 1709 int error; 1710 long loff; 1711 int32_t loff_cut; 1712 1713 ap.fd = uap->fd; 1714 ap.buf = uap->buf; 1715 ap.count = uap->count; 1716 ap.basep = NULL; 1717 error = kern_ogetdirentries(td, &ap, &loff); 1718 if (error == 0) { 1719 loff_cut = loff; 1720 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1721 } 1722 return (error); 1723 } 1724 #endif 1725 1726 #if defined(COMPAT_FREEBSD11) 1727 int 1728 freebsd11_freebsd32_getdirentries(struct thread *td, 1729 struct freebsd11_freebsd32_getdirentries_args *uap) 1730 { 1731 long base; 1732 int32_t base32; 1733 int error; 1734 1735 error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count, 1736 &base, NULL); 1737 if (error) 1738 return (error); 1739 if (uap->basep != NULL) { 1740 base32 = base; 1741 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1742 } 1743 return (error); 1744 } 1745 1746 int 1747 freebsd11_freebsd32_getdents(struct thread *td, 1748 struct freebsd11_freebsd32_getdents_args *uap) 1749 { 1750 struct freebsd11_freebsd32_getdirentries_args ap; 1751 1752 ap.fd = uap->fd; 1753 ap.buf = uap->buf; 1754 ap.count = uap->count; 1755 ap.basep = NULL; 1756 return (freebsd11_freebsd32_getdirentries(td, &ap)); 1757 } 1758 #endif /* COMPAT_FREEBSD11 */ 1759 1760 int 1761 freebsd32_getdirentries(struct thread *td, 1762 struct freebsd32_getdirentries_args *uap) 1763 { 1764 long base; 1765 int32_t base32; 1766 int error; 1767 1768 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1769 NULL, UIO_USERSPACE); 1770 if (error) 1771 return (error); 1772 if (uap->basep != NULL) { 1773 base32 = base; 1774 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1775 } 1776 return (error); 1777 } 1778 1779 #ifdef COMPAT_FREEBSD6 1780 /* versions with the 'int pad' argument */ 1781 int 1782 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1783 { 1784 1785 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1786 PAIR32TO64(off_t, uap->offset))); 1787 } 1788 1789 int 1790 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1791 { 1792 1793 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1794 PAIR32TO64(off_t, uap->offset))); 1795 } 1796 1797 int 1798 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1799 { 1800 int error; 1801 off_t pos; 1802 1803 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1804 uap->whence); 1805 /* Expand the quad return into two parts for eax and edx */ 1806 pos = *(off_t *)(td->td_retval); 1807 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1808 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1809 return error; 1810 } 1811 1812 int 1813 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1814 { 1815 1816 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1817 PAIR32TO64(off_t, uap->length))); 1818 } 1819 1820 int 1821 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1822 { 1823 1824 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1825 } 1826 #endif /* COMPAT_FREEBSD6 */ 1827 1828 struct sf_hdtr32 { 1829 uint32_t headers; 1830 int hdr_cnt; 1831 uint32_t trailers; 1832 int trl_cnt; 1833 }; 1834 1835 static int 1836 freebsd32_do_sendfile(struct thread *td, 1837 struct freebsd32_sendfile_args *uap, int compat) 1838 { 1839 struct sf_hdtr32 hdtr32; 1840 struct sf_hdtr hdtr; 1841 struct uio *hdr_uio, *trl_uio; 1842 struct file *fp; 1843 cap_rights_t rights; 1844 struct iovec32 *iov32; 1845 off_t offset, sbytes; 1846 int error; 1847 1848 offset = PAIR32TO64(off_t, uap->offset); 1849 if (offset < 0) 1850 return (EINVAL); 1851 1852 hdr_uio = trl_uio = NULL; 1853 1854 if (uap->hdtr != NULL) { 1855 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1856 if (error) 1857 goto out; 1858 PTRIN_CP(hdtr32, hdtr, headers); 1859 CP(hdtr32, hdtr, hdr_cnt); 1860 PTRIN_CP(hdtr32, hdtr, trailers); 1861 CP(hdtr32, hdtr, trl_cnt); 1862 1863 if (hdtr.headers != NULL) { 1864 iov32 = PTRIN(hdtr32.headers); 1865 error = freebsd32_copyinuio(iov32, 1866 hdtr32.hdr_cnt, &hdr_uio); 1867 if (error) 1868 goto out; 1869 #ifdef COMPAT_FREEBSD4 1870 /* 1871 * In FreeBSD < 5.0 the nbytes to send also included 1872 * the header. If compat is specified subtract the 1873 * header size from nbytes. 1874 */ 1875 if (compat) { 1876 if (uap->nbytes > hdr_uio->uio_resid) 1877 uap->nbytes -= hdr_uio->uio_resid; 1878 else 1879 uap->nbytes = 0; 1880 } 1881 #endif 1882 } 1883 if (hdtr.trailers != NULL) { 1884 iov32 = PTRIN(hdtr32.trailers); 1885 error = freebsd32_copyinuio(iov32, 1886 hdtr32.trl_cnt, &trl_uio); 1887 if (error) 1888 goto out; 1889 } 1890 } 1891 1892 AUDIT_ARG_FD(uap->fd); 1893 1894 if ((error = fget_read(td, uap->fd, 1895 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1896 goto out; 1897 1898 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1899 uap->nbytes, &sbytes, uap->flags, td); 1900 fdrop(fp, td); 1901 1902 if (uap->sbytes != NULL) 1903 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1904 1905 out: 1906 if (hdr_uio) 1907 free(hdr_uio, M_IOV); 1908 if (trl_uio) 1909 free(trl_uio, M_IOV); 1910 return (error); 1911 } 1912 1913 #ifdef COMPAT_FREEBSD4 1914 int 1915 freebsd4_freebsd32_sendfile(struct thread *td, 1916 struct freebsd4_freebsd32_sendfile_args *uap) 1917 { 1918 return (freebsd32_do_sendfile(td, 1919 (struct freebsd32_sendfile_args *)uap, 1)); 1920 } 1921 #endif 1922 1923 int 1924 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1925 { 1926 1927 return (freebsd32_do_sendfile(td, uap, 0)); 1928 } 1929 1930 static void 1931 copy_stat(struct stat *in, struct stat32 *out) 1932 { 1933 1934 CP(*in, *out, st_dev); 1935 CP(*in, *out, st_ino); 1936 CP(*in, *out, st_mode); 1937 CP(*in, *out, st_nlink); 1938 CP(*in, *out, st_uid); 1939 CP(*in, *out, st_gid); 1940 CP(*in, *out, st_rdev); 1941 TS_CP(*in, *out, st_atim); 1942 TS_CP(*in, *out, st_mtim); 1943 TS_CP(*in, *out, st_ctim); 1944 CP(*in, *out, st_size); 1945 CP(*in, *out, st_blocks); 1946 CP(*in, *out, st_blksize); 1947 CP(*in, *out, st_flags); 1948 CP(*in, *out, st_gen); 1949 TS_CP(*in, *out, st_birthtim); 1950 out->st_padding0 = 0; 1951 out->st_padding1 = 0; 1952 #ifdef __STAT32_TIME_T_EXT 1953 out->st_atim_ext = 0; 1954 out->st_mtim_ext = 0; 1955 out->st_ctim_ext = 0; 1956 out->st_btim_ext = 0; 1957 #endif 1958 bzero(out->st_spare, sizeof(out->st_spare)); 1959 } 1960 1961 #ifdef COMPAT_43 1962 static void 1963 copy_ostat(struct stat *in, struct ostat32 *out) 1964 { 1965 1966 CP(*in, *out, st_dev); 1967 CP(*in, *out, st_ino); 1968 CP(*in, *out, st_mode); 1969 CP(*in, *out, st_nlink); 1970 CP(*in, *out, st_uid); 1971 CP(*in, *out, st_gid); 1972 CP(*in, *out, st_rdev); 1973 CP(*in, *out, st_size); 1974 TS_CP(*in, *out, st_atim); 1975 TS_CP(*in, *out, st_mtim); 1976 TS_CP(*in, *out, st_ctim); 1977 CP(*in, *out, st_blksize); 1978 CP(*in, *out, st_blocks); 1979 CP(*in, *out, st_flags); 1980 CP(*in, *out, st_gen); 1981 } 1982 #endif 1983 1984 #ifdef COMPAT_43 1985 int 1986 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1987 { 1988 struct stat sb; 1989 struct ostat32 sb32; 1990 int error; 1991 1992 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1993 &sb, NULL); 1994 if (error) 1995 return (error); 1996 copy_ostat(&sb, &sb32); 1997 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1998 return (error); 1999 } 2000 #endif 2001 2002 int 2003 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 2004 { 2005 struct stat ub; 2006 struct stat32 ub32; 2007 int error; 2008 2009 error = kern_fstat(td, uap->fd, &ub); 2010 if (error) 2011 return (error); 2012 copy_stat(&ub, &ub32); 2013 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2014 return (error); 2015 } 2016 2017 #ifdef COMPAT_43 2018 int 2019 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 2020 { 2021 struct stat ub; 2022 struct ostat32 ub32; 2023 int error; 2024 2025 error = kern_fstat(td, uap->fd, &ub); 2026 if (error) 2027 return (error); 2028 copy_ostat(&ub, &ub32); 2029 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2030 return (error); 2031 } 2032 #endif 2033 2034 int 2035 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2036 { 2037 struct stat ub; 2038 struct stat32 ub32; 2039 int error; 2040 2041 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 2042 &ub, NULL); 2043 if (error) 2044 return (error); 2045 copy_stat(&ub, &ub32); 2046 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2047 return (error); 2048 } 2049 2050 #ifdef COMPAT_43 2051 int 2052 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 2053 { 2054 struct stat sb; 2055 struct ostat32 sb32; 2056 int error; 2057 2058 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 2059 UIO_USERSPACE, &sb, NULL); 2060 if (error) 2061 return (error); 2062 copy_ostat(&sb, &sb32); 2063 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2064 return (error); 2065 } 2066 #endif 2067 2068 int 2069 freebsd32_fhstat(struct thread *td, struct freebsd32_fhstat_args *uap) 2070 { 2071 struct stat sb; 2072 struct stat32 sb32; 2073 struct fhandle fh; 2074 int error; 2075 2076 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t)); 2077 if (error != 0) 2078 return (error); 2079 error = kern_fhstat(td, fh, &sb); 2080 if (error != 0) 2081 return (error); 2082 copy_stat(&sb, &sb32); 2083 error = copyout(&sb32, uap->sb, sizeof (sb32)); 2084 return (error); 2085 } 2086 2087 #if defined(COMPAT_FREEBSD11) 2088 extern int ino64_trunc_error; 2089 2090 static int 2091 freebsd11_cvtstat32(struct stat *in, struct freebsd11_stat32 *out) 2092 { 2093 2094 CP(*in, *out, st_ino); 2095 if (in->st_ino != out->st_ino) { 2096 switch (ino64_trunc_error) { 2097 default: 2098 case 0: 2099 break; 2100 case 1: 2101 return (EOVERFLOW); 2102 case 2: 2103 out->st_ino = UINT32_MAX; 2104 break; 2105 } 2106 } 2107 CP(*in, *out, st_nlink); 2108 if (in->st_nlink != out->st_nlink) { 2109 switch (ino64_trunc_error) { 2110 default: 2111 case 0: 2112 break; 2113 case 1: 2114 return (EOVERFLOW); 2115 case 2: 2116 out->st_nlink = UINT16_MAX; 2117 break; 2118 } 2119 } 2120 CP(*in, *out, st_dev); 2121 CP(*in, *out, st_mode); 2122 CP(*in, *out, st_uid); 2123 CP(*in, *out, st_gid); 2124 CP(*in, *out, st_rdev); 2125 TS_CP(*in, *out, st_atim); 2126 TS_CP(*in, *out, st_mtim); 2127 TS_CP(*in, *out, st_ctim); 2128 CP(*in, *out, st_size); 2129 CP(*in, *out, st_blocks); 2130 CP(*in, *out, st_blksize); 2131 CP(*in, *out, st_flags); 2132 CP(*in, *out, st_gen); 2133 TS_CP(*in, *out, st_birthtim); 2134 out->st_lspare = 0; 2135 bzero((char *)&out->st_birthtim + sizeof(out->st_birthtim), 2136 sizeof(*out) - offsetof(struct freebsd11_stat32, 2137 st_birthtim) - sizeof(out->st_birthtim)); 2138 return (0); 2139 } 2140 2141 int 2142 freebsd11_freebsd32_stat(struct thread *td, 2143 struct freebsd11_freebsd32_stat_args *uap) 2144 { 2145 struct stat sb; 2146 struct freebsd11_stat32 sb32; 2147 int error; 2148 2149 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 2150 &sb, NULL); 2151 if (error != 0) 2152 return (error); 2153 error = freebsd11_cvtstat32(&sb, &sb32); 2154 if (error == 0) 2155 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2156 return (error); 2157 } 2158 2159 int 2160 freebsd11_freebsd32_fstat(struct thread *td, 2161 struct freebsd11_freebsd32_fstat_args *uap) 2162 { 2163 struct stat sb; 2164 struct freebsd11_stat32 sb32; 2165 int error; 2166 2167 error = kern_fstat(td, uap->fd, &sb); 2168 if (error != 0) 2169 return (error); 2170 error = freebsd11_cvtstat32(&sb, &sb32); 2171 if (error == 0) 2172 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2173 return (error); 2174 } 2175 2176 int 2177 freebsd11_freebsd32_fstatat(struct thread *td, 2178 struct freebsd11_freebsd32_fstatat_args *uap) 2179 { 2180 struct stat sb; 2181 struct freebsd11_stat32 sb32; 2182 int error; 2183 2184 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 2185 &sb, NULL); 2186 if (error != 0) 2187 return (error); 2188 error = freebsd11_cvtstat32(&sb, &sb32); 2189 if (error == 0) 2190 error = copyout(&sb32, uap->buf, sizeof (sb32)); 2191 return (error); 2192 } 2193 2194 int 2195 freebsd11_freebsd32_lstat(struct thread *td, 2196 struct freebsd11_freebsd32_lstat_args *uap) 2197 { 2198 struct stat sb; 2199 struct freebsd11_stat32 sb32; 2200 int error; 2201 2202 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 2203 UIO_USERSPACE, &sb, NULL); 2204 if (error != 0) 2205 return (error); 2206 error = freebsd11_cvtstat32(&sb, &sb32); 2207 if (error == 0) 2208 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2209 return (error); 2210 } 2211 2212 int 2213 freebsd11_freebsd32_fhstat(struct thread *td, 2214 struct freebsd11_freebsd32_fhstat_args *uap) 2215 { 2216 struct stat sb; 2217 struct freebsd11_stat32 sb32; 2218 struct fhandle fh; 2219 int error; 2220 2221 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t)); 2222 if (error != 0) 2223 return (error); 2224 error = kern_fhstat(td, fh, &sb); 2225 if (error != 0) 2226 return (error); 2227 error = freebsd11_cvtstat32(&sb, &sb32); 2228 if (error == 0) 2229 error = copyout(&sb32, uap->sb, sizeof (sb32)); 2230 return (error); 2231 } 2232 #endif 2233 2234 int 2235 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 2236 { 2237 int error, name[CTL_MAXNAME]; 2238 size_t j, oldlen; 2239 uint32_t tmp; 2240 2241 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2242 return (EINVAL); 2243 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2244 if (error) 2245 return (error); 2246 if (uap->oldlenp) { 2247 error = fueword32(uap->oldlenp, &tmp); 2248 oldlen = tmp; 2249 } else { 2250 oldlen = 0; 2251 } 2252 if (error != 0) 2253 return (EFAULT); 2254 error = userland_sysctl(td, name, uap->namelen, 2255 uap->old, &oldlen, 1, 2256 uap->new, uap->newlen, &j, SCTL_MASK32); 2257 if (error && error != ENOMEM) 2258 return (error); 2259 if (uap->oldlenp) 2260 suword32(uap->oldlenp, j); 2261 return (0); 2262 } 2263 2264 int 2265 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2266 { 2267 uint32_t version; 2268 int error; 2269 struct jail j; 2270 2271 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2272 if (error) 2273 return (error); 2274 2275 switch (version) { 2276 case 0: 2277 { 2278 /* FreeBSD single IPv4 jails. */ 2279 struct jail32_v0 j32_v0; 2280 2281 bzero(&j, sizeof(struct jail)); 2282 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2283 if (error) 2284 return (error); 2285 CP(j32_v0, j, version); 2286 PTRIN_CP(j32_v0, j, path); 2287 PTRIN_CP(j32_v0, j, hostname); 2288 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 2289 break; 2290 } 2291 2292 case 1: 2293 /* 2294 * Version 1 was used by multi-IPv4 jail implementations 2295 * that never made it into the official kernel. 2296 */ 2297 return (EINVAL); 2298 2299 case 2: /* JAIL_API_VERSION */ 2300 { 2301 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2302 struct jail32 j32; 2303 2304 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2305 if (error) 2306 return (error); 2307 CP(j32, j, version); 2308 PTRIN_CP(j32, j, path); 2309 PTRIN_CP(j32, j, hostname); 2310 PTRIN_CP(j32, j, jailname); 2311 CP(j32, j, ip4s); 2312 CP(j32, j, ip6s); 2313 PTRIN_CP(j32, j, ip4); 2314 PTRIN_CP(j32, j, ip6); 2315 break; 2316 } 2317 2318 default: 2319 /* Sci-Fi jails are not supported, sorry. */ 2320 return (EINVAL); 2321 } 2322 return (kern_jail(td, &j)); 2323 } 2324 2325 int 2326 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2327 { 2328 struct uio *auio; 2329 int error; 2330 2331 /* Check that we have an even number of iovecs. */ 2332 if (uap->iovcnt & 1) 2333 return (EINVAL); 2334 2335 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2336 if (error) 2337 return (error); 2338 error = kern_jail_set(td, auio, uap->flags); 2339 free(auio, M_IOV); 2340 return (error); 2341 } 2342 2343 int 2344 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2345 { 2346 struct iovec32 iov32; 2347 struct uio *auio; 2348 int error, i; 2349 2350 /* Check that we have an even number of iovecs. */ 2351 if (uap->iovcnt & 1) 2352 return (EINVAL); 2353 2354 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2355 if (error) 2356 return (error); 2357 error = kern_jail_get(td, auio, uap->flags); 2358 if (error == 0) 2359 for (i = 0; i < uap->iovcnt; i++) { 2360 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2361 CP(auio->uio_iov[i], iov32, iov_len); 2362 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2363 if (error != 0) 2364 break; 2365 } 2366 free(auio, M_IOV); 2367 return (error); 2368 } 2369 2370 int 2371 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2372 { 2373 struct sigaction32 s32; 2374 struct sigaction sa, osa, *sap; 2375 int error; 2376 2377 if (uap->act) { 2378 error = copyin(uap->act, &s32, sizeof(s32)); 2379 if (error) 2380 return (error); 2381 sa.sa_handler = PTRIN(s32.sa_u); 2382 CP(s32, sa, sa_flags); 2383 CP(s32, sa, sa_mask); 2384 sap = &sa; 2385 } else 2386 sap = NULL; 2387 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2388 if (error == 0 && uap->oact != NULL) { 2389 s32.sa_u = PTROUT(osa.sa_handler); 2390 CP(osa, s32, sa_flags); 2391 CP(osa, s32, sa_mask); 2392 error = copyout(&s32, uap->oact, sizeof(s32)); 2393 } 2394 return (error); 2395 } 2396 2397 #ifdef COMPAT_FREEBSD4 2398 int 2399 freebsd4_freebsd32_sigaction(struct thread *td, 2400 struct freebsd4_freebsd32_sigaction_args *uap) 2401 { 2402 struct sigaction32 s32; 2403 struct sigaction sa, osa, *sap; 2404 int error; 2405 2406 if (uap->act) { 2407 error = copyin(uap->act, &s32, sizeof(s32)); 2408 if (error) 2409 return (error); 2410 sa.sa_handler = PTRIN(s32.sa_u); 2411 CP(s32, sa, sa_flags); 2412 CP(s32, sa, sa_mask); 2413 sap = &sa; 2414 } else 2415 sap = NULL; 2416 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2417 if (error == 0 && uap->oact != NULL) { 2418 s32.sa_u = PTROUT(osa.sa_handler); 2419 CP(osa, s32, sa_flags); 2420 CP(osa, s32, sa_mask); 2421 error = copyout(&s32, uap->oact, sizeof(s32)); 2422 } 2423 return (error); 2424 } 2425 #endif 2426 2427 #ifdef COMPAT_43 2428 struct osigaction32 { 2429 u_int32_t sa_u; 2430 osigset_t sa_mask; 2431 int sa_flags; 2432 }; 2433 2434 #define ONSIG 32 2435 2436 int 2437 ofreebsd32_sigaction(struct thread *td, 2438 struct ofreebsd32_sigaction_args *uap) 2439 { 2440 struct osigaction32 s32; 2441 struct sigaction sa, osa, *sap; 2442 int error; 2443 2444 if (uap->signum <= 0 || uap->signum >= ONSIG) 2445 return (EINVAL); 2446 2447 if (uap->nsa) { 2448 error = copyin(uap->nsa, &s32, sizeof(s32)); 2449 if (error) 2450 return (error); 2451 sa.sa_handler = PTRIN(s32.sa_u); 2452 CP(s32, sa, sa_flags); 2453 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2454 sap = &sa; 2455 } else 2456 sap = NULL; 2457 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2458 if (error == 0 && uap->osa != NULL) { 2459 s32.sa_u = PTROUT(osa.sa_handler); 2460 CP(osa, s32, sa_flags); 2461 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2462 error = copyout(&s32, uap->osa, sizeof(s32)); 2463 } 2464 return (error); 2465 } 2466 2467 int 2468 ofreebsd32_sigprocmask(struct thread *td, 2469 struct ofreebsd32_sigprocmask_args *uap) 2470 { 2471 sigset_t set, oset; 2472 int error; 2473 2474 OSIG2SIG(uap->mask, set); 2475 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2476 SIG2OSIG(oset, td->td_retval[0]); 2477 return (error); 2478 } 2479 2480 int 2481 ofreebsd32_sigpending(struct thread *td, 2482 struct ofreebsd32_sigpending_args *uap) 2483 { 2484 struct proc *p = td->td_proc; 2485 sigset_t siglist; 2486 2487 PROC_LOCK(p); 2488 siglist = p->p_siglist; 2489 SIGSETOR(siglist, td->td_siglist); 2490 PROC_UNLOCK(p); 2491 SIG2OSIG(siglist, td->td_retval[0]); 2492 return (0); 2493 } 2494 2495 struct sigvec32 { 2496 u_int32_t sv_handler; 2497 int sv_mask; 2498 int sv_flags; 2499 }; 2500 2501 int 2502 ofreebsd32_sigvec(struct thread *td, 2503 struct ofreebsd32_sigvec_args *uap) 2504 { 2505 struct sigvec32 vec; 2506 struct sigaction sa, osa, *sap; 2507 int error; 2508 2509 if (uap->signum <= 0 || uap->signum >= ONSIG) 2510 return (EINVAL); 2511 2512 if (uap->nsv) { 2513 error = copyin(uap->nsv, &vec, sizeof(vec)); 2514 if (error) 2515 return (error); 2516 sa.sa_handler = PTRIN(vec.sv_handler); 2517 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2518 sa.sa_flags = vec.sv_flags; 2519 sa.sa_flags ^= SA_RESTART; 2520 sap = &sa; 2521 } else 2522 sap = NULL; 2523 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2524 if (error == 0 && uap->osv != NULL) { 2525 vec.sv_handler = PTROUT(osa.sa_handler); 2526 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2527 vec.sv_flags = osa.sa_flags; 2528 vec.sv_flags &= ~SA_NOCLDWAIT; 2529 vec.sv_flags ^= SA_RESTART; 2530 error = copyout(&vec, uap->osv, sizeof(vec)); 2531 } 2532 return (error); 2533 } 2534 2535 int 2536 ofreebsd32_sigblock(struct thread *td, 2537 struct ofreebsd32_sigblock_args *uap) 2538 { 2539 sigset_t set, oset; 2540 2541 OSIG2SIG(uap->mask, set); 2542 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2543 SIG2OSIG(oset, td->td_retval[0]); 2544 return (0); 2545 } 2546 2547 int 2548 ofreebsd32_sigsetmask(struct thread *td, 2549 struct ofreebsd32_sigsetmask_args *uap) 2550 { 2551 sigset_t set, oset; 2552 2553 OSIG2SIG(uap->mask, set); 2554 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2555 SIG2OSIG(oset, td->td_retval[0]); 2556 return (0); 2557 } 2558 2559 int 2560 ofreebsd32_sigsuspend(struct thread *td, 2561 struct ofreebsd32_sigsuspend_args *uap) 2562 { 2563 sigset_t mask; 2564 2565 OSIG2SIG(uap->mask, mask); 2566 return (kern_sigsuspend(td, mask)); 2567 } 2568 2569 struct sigstack32 { 2570 u_int32_t ss_sp; 2571 int ss_onstack; 2572 }; 2573 2574 int 2575 ofreebsd32_sigstack(struct thread *td, 2576 struct ofreebsd32_sigstack_args *uap) 2577 { 2578 struct sigstack32 s32; 2579 struct sigstack nss, oss; 2580 int error = 0, unss; 2581 2582 if (uap->nss != NULL) { 2583 error = copyin(uap->nss, &s32, sizeof(s32)); 2584 if (error) 2585 return (error); 2586 nss.ss_sp = PTRIN(s32.ss_sp); 2587 CP(s32, nss, ss_onstack); 2588 unss = 1; 2589 } else { 2590 unss = 0; 2591 } 2592 oss.ss_sp = td->td_sigstk.ss_sp; 2593 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2594 if (unss) { 2595 td->td_sigstk.ss_sp = nss.ss_sp; 2596 td->td_sigstk.ss_size = 0; 2597 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2598 td->td_pflags |= TDP_ALTSTACK; 2599 } 2600 if (uap->oss != NULL) { 2601 s32.ss_sp = PTROUT(oss.ss_sp); 2602 CP(oss, s32, ss_onstack); 2603 error = copyout(&s32, uap->oss, sizeof(s32)); 2604 } 2605 return (error); 2606 } 2607 #endif 2608 2609 int 2610 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2611 { 2612 2613 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME, 2614 TIMER_RELTIME, uap->rqtp, uap->rmtp)); 2615 } 2616 2617 int 2618 freebsd32_clock_nanosleep(struct thread *td, 2619 struct freebsd32_clock_nanosleep_args *uap) 2620 { 2621 int error; 2622 2623 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags, 2624 uap->rqtp, uap->rmtp); 2625 return (kern_posix_error(td, error)); 2626 } 2627 2628 static int 2629 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id, 2630 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp) 2631 { 2632 struct timespec32 rmt32, rqt32; 2633 struct timespec rmt, rqt; 2634 int error; 2635 2636 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32)); 2637 if (error) 2638 return (error); 2639 2640 CP(rqt32, rqt, tv_sec); 2641 CP(rqt32, rqt, tv_nsec); 2642 2643 if (ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0 && 2644 !useracc(ua_rmtp, sizeof(rmt32), VM_PROT_WRITE)) 2645 return (EFAULT); 2646 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt); 2647 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) { 2648 int error2; 2649 2650 CP(rmt, rmt32, tv_sec); 2651 CP(rmt, rmt32, tv_nsec); 2652 2653 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32)); 2654 if (error2) 2655 error = error2; 2656 } 2657 return (error); 2658 } 2659 2660 int 2661 freebsd32_clock_gettime(struct thread *td, 2662 struct freebsd32_clock_gettime_args *uap) 2663 { 2664 struct timespec ats; 2665 struct timespec32 ats32; 2666 int error; 2667 2668 error = kern_clock_gettime(td, uap->clock_id, &ats); 2669 if (error == 0) { 2670 CP(ats, ats32, tv_sec); 2671 CP(ats, ats32, tv_nsec); 2672 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2673 } 2674 return (error); 2675 } 2676 2677 int 2678 freebsd32_clock_settime(struct thread *td, 2679 struct freebsd32_clock_settime_args *uap) 2680 { 2681 struct timespec ats; 2682 struct timespec32 ats32; 2683 int error; 2684 2685 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2686 if (error) 2687 return (error); 2688 CP(ats32, ats, tv_sec); 2689 CP(ats32, ats, tv_nsec); 2690 2691 return (kern_clock_settime(td, uap->clock_id, &ats)); 2692 } 2693 2694 int 2695 freebsd32_clock_getres(struct thread *td, 2696 struct freebsd32_clock_getres_args *uap) 2697 { 2698 struct timespec ts; 2699 struct timespec32 ts32; 2700 int error; 2701 2702 if (uap->tp == NULL) 2703 return (0); 2704 error = kern_clock_getres(td, uap->clock_id, &ts); 2705 if (error == 0) { 2706 CP(ts, ts32, tv_sec); 2707 CP(ts, ts32, tv_nsec); 2708 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2709 } 2710 return (error); 2711 } 2712 2713 int freebsd32_ktimer_create(struct thread *td, 2714 struct freebsd32_ktimer_create_args *uap) 2715 { 2716 struct sigevent32 ev32; 2717 struct sigevent ev, *evp; 2718 int error, id; 2719 2720 if (uap->evp == NULL) { 2721 evp = NULL; 2722 } else { 2723 evp = &ev; 2724 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2725 if (error != 0) 2726 return (error); 2727 error = convert_sigevent32(&ev32, &ev); 2728 if (error != 0) 2729 return (error); 2730 } 2731 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2732 if (error == 0) { 2733 error = copyout(&id, uap->timerid, sizeof(int)); 2734 if (error != 0) 2735 kern_ktimer_delete(td, id); 2736 } 2737 return (error); 2738 } 2739 2740 int 2741 freebsd32_ktimer_settime(struct thread *td, 2742 struct freebsd32_ktimer_settime_args *uap) 2743 { 2744 struct itimerspec32 val32, oval32; 2745 struct itimerspec val, oval, *ovalp; 2746 int error; 2747 2748 error = copyin(uap->value, &val32, sizeof(val32)); 2749 if (error != 0) 2750 return (error); 2751 ITS_CP(val32, val); 2752 ovalp = uap->ovalue != NULL ? &oval : NULL; 2753 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2754 if (error == 0 && uap->ovalue != NULL) { 2755 ITS_CP(oval, oval32); 2756 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2757 } 2758 return (error); 2759 } 2760 2761 int 2762 freebsd32_ktimer_gettime(struct thread *td, 2763 struct freebsd32_ktimer_gettime_args *uap) 2764 { 2765 struct itimerspec32 val32; 2766 struct itimerspec val; 2767 int error; 2768 2769 error = kern_ktimer_gettime(td, uap->timerid, &val); 2770 if (error == 0) { 2771 ITS_CP(val, val32); 2772 error = copyout(&val32, uap->value, sizeof(val32)); 2773 } 2774 return (error); 2775 } 2776 2777 int 2778 freebsd32_clock_getcpuclockid2(struct thread *td, 2779 struct freebsd32_clock_getcpuclockid2_args *uap) 2780 { 2781 clockid_t clk_id; 2782 int error; 2783 2784 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2785 uap->which, &clk_id); 2786 if (error == 0) 2787 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2788 return (error); 2789 } 2790 2791 int 2792 freebsd32_thr_new(struct thread *td, 2793 struct freebsd32_thr_new_args *uap) 2794 { 2795 struct thr_param32 param32; 2796 struct thr_param param; 2797 int error; 2798 2799 if (uap->param_size < 0 || 2800 uap->param_size > sizeof(struct thr_param32)) 2801 return (EINVAL); 2802 bzero(¶m, sizeof(struct thr_param)); 2803 bzero(¶m32, sizeof(struct thr_param32)); 2804 error = copyin(uap->param, ¶m32, uap->param_size); 2805 if (error != 0) 2806 return (error); 2807 param.start_func = PTRIN(param32.start_func); 2808 param.arg = PTRIN(param32.arg); 2809 param.stack_base = PTRIN(param32.stack_base); 2810 param.stack_size = param32.stack_size; 2811 param.tls_base = PTRIN(param32.tls_base); 2812 param.tls_size = param32.tls_size; 2813 param.child_tid = PTRIN(param32.child_tid); 2814 param.parent_tid = PTRIN(param32.parent_tid); 2815 param.flags = param32.flags; 2816 param.rtp = PTRIN(param32.rtp); 2817 param.spare[0] = PTRIN(param32.spare[0]); 2818 param.spare[1] = PTRIN(param32.spare[1]); 2819 param.spare[2] = PTRIN(param32.spare[2]); 2820 2821 return (kern_thr_new(td, ¶m)); 2822 } 2823 2824 int 2825 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2826 { 2827 struct timespec32 ts32; 2828 struct timespec ts, *tsp; 2829 int error; 2830 2831 error = 0; 2832 tsp = NULL; 2833 if (uap->timeout != NULL) { 2834 error = copyin((const void *)uap->timeout, (void *)&ts32, 2835 sizeof(struct timespec32)); 2836 if (error != 0) 2837 return (error); 2838 ts.tv_sec = ts32.tv_sec; 2839 ts.tv_nsec = ts32.tv_nsec; 2840 tsp = &ts; 2841 } 2842 return (kern_thr_suspend(td, tsp)); 2843 } 2844 2845 void 2846 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2847 { 2848 bzero(dst, sizeof(*dst)); 2849 dst->si_signo = src->si_signo; 2850 dst->si_errno = src->si_errno; 2851 dst->si_code = src->si_code; 2852 dst->si_pid = src->si_pid; 2853 dst->si_uid = src->si_uid; 2854 dst->si_status = src->si_status; 2855 dst->si_addr = (uintptr_t)src->si_addr; 2856 dst->si_value.sival_int = src->si_value.sival_int; 2857 dst->si_timerid = src->si_timerid; 2858 dst->si_overrun = src->si_overrun; 2859 } 2860 2861 #ifndef _FREEBSD32_SYSPROTO_H_ 2862 struct freebsd32_sigqueue_args { 2863 pid_t pid; 2864 int signum; 2865 /* union sigval32 */ int value; 2866 }; 2867 #endif 2868 int 2869 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap) 2870 { 2871 union sigval sv; 2872 2873 /* 2874 * On 32-bit ABIs, sival_int and sival_ptr are the same. 2875 * On 64-bit little-endian ABIs, the low bits are the same. 2876 * In 64-bit big-endian ABIs, sival_int overlaps with 2877 * sival_ptr's HIGH bits. We choose to support sival_int 2878 * rather than sival_ptr in this case as it seems to be 2879 * more common. 2880 */ 2881 bzero(&sv, sizeof(sv)); 2882 sv.sival_int = uap->value; 2883 2884 return (kern_sigqueue(td, uap->pid, uap->signum, &sv)); 2885 } 2886 2887 int 2888 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2889 { 2890 struct timespec32 ts32; 2891 struct timespec ts; 2892 struct timespec *timeout; 2893 sigset_t set; 2894 ksiginfo_t ksi; 2895 struct siginfo32 si32; 2896 int error; 2897 2898 if (uap->timeout) { 2899 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2900 if (error) 2901 return (error); 2902 ts.tv_sec = ts32.tv_sec; 2903 ts.tv_nsec = ts32.tv_nsec; 2904 timeout = &ts; 2905 } else 2906 timeout = NULL; 2907 2908 error = copyin(uap->set, &set, sizeof(set)); 2909 if (error) 2910 return (error); 2911 2912 error = kern_sigtimedwait(td, set, &ksi, timeout); 2913 if (error) 2914 return (error); 2915 2916 if (uap->info) { 2917 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2918 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2919 } 2920 2921 if (error == 0) 2922 td->td_retval[0] = ksi.ksi_signo; 2923 return (error); 2924 } 2925 2926 /* 2927 * MPSAFE 2928 */ 2929 int 2930 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2931 { 2932 ksiginfo_t ksi; 2933 struct siginfo32 si32; 2934 sigset_t set; 2935 int error; 2936 2937 error = copyin(uap->set, &set, sizeof(set)); 2938 if (error) 2939 return (error); 2940 2941 error = kern_sigtimedwait(td, set, &ksi, NULL); 2942 if (error) 2943 return (error); 2944 2945 if (uap->info) { 2946 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2947 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2948 } 2949 if (error == 0) 2950 td->td_retval[0] = ksi.ksi_signo; 2951 return (error); 2952 } 2953 2954 int 2955 freebsd32_cpuset_setid(struct thread *td, 2956 struct freebsd32_cpuset_setid_args *uap) 2957 { 2958 2959 return (kern_cpuset_setid(td, uap->which, 2960 PAIR32TO64(id_t, uap->id), uap->setid)); 2961 } 2962 2963 int 2964 freebsd32_cpuset_getid(struct thread *td, 2965 struct freebsd32_cpuset_getid_args *uap) 2966 { 2967 2968 return (kern_cpuset_getid(td, uap->level, uap->which, 2969 PAIR32TO64(id_t, uap->id), uap->setid)); 2970 } 2971 2972 int 2973 freebsd32_cpuset_getaffinity(struct thread *td, 2974 struct freebsd32_cpuset_getaffinity_args *uap) 2975 { 2976 2977 return (kern_cpuset_getaffinity(td, uap->level, uap->which, 2978 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2979 } 2980 2981 int 2982 freebsd32_cpuset_setaffinity(struct thread *td, 2983 struct freebsd32_cpuset_setaffinity_args *uap) 2984 { 2985 2986 return (kern_cpuset_setaffinity(td, uap->level, uap->which, 2987 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2988 } 2989 2990 int 2991 freebsd32_nmount(struct thread *td, 2992 struct freebsd32_nmount_args /* { 2993 struct iovec *iovp; 2994 unsigned int iovcnt; 2995 int flags; 2996 } */ *uap) 2997 { 2998 struct uio *auio; 2999 uint64_t flags; 3000 int error; 3001 3002 /* 3003 * Mount flags are now 64-bits. On 32-bit archtectures only 3004 * 32-bits are passed in, but from here on everything handles 3005 * 64-bit flags correctly. 3006 */ 3007 flags = uap->flags; 3008 3009 AUDIT_ARG_FFLAGS(flags); 3010 3011 /* 3012 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 3013 * userspace to set this flag, but we must filter it out if we want 3014 * MNT_UPDATE on the root file system to work. 3015 * MNT_ROOTFS should only be set by the kernel when mounting its 3016 * root file system. 3017 */ 3018 flags &= ~MNT_ROOTFS; 3019 3020 /* 3021 * check that we have an even number of iovec's 3022 * and that we have at least two options. 3023 */ 3024 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 3025 return (EINVAL); 3026 3027 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 3028 if (error) 3029 return (error); 3030 error = vfs_donmount(td, flags, auio); 3031 3032 free(auio, M_IOV); 3033 return error; 3034 } 3035 3036 #if 0 3037 int 3038 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 3039 { 3040 struct yyy32 *p32, s32; 3041 struct yyy *p = NULL, s; 3042 struct xxx_arg ap; 3043 int error; 3044 3045 if (uap->zzz) { 3046 error = copyin(uap->zzz, &s32, sizeof(s32)); 3047 if (error) 3048 return (error); 3049 /* translate in */ 3050 p = &s; 3051 } 3052 error = kern_xxx(td, p); 3053 if (error) 3054 return (error); 3055 if (uap->zzz) { 3056 /* translate out */ 3057 error = copyout(&s32, p32, sizeof(s32)); 3058 } 3059 return (error); 3060 } 3061 #endif 3062 3063 int 3064 syscall32_register(int *offset, struct sysent *new_sysent, 3065 struct sysent *old_sysent, int flags) 3066 { 3067 3068 if ((flags & ~SY_THR_STATIC) != 0) 3069 return (EINVAL); 3070 3071 if (*offset == NO_SYSCALL) { 3072 int i; 3073 3074 for (i = 1; i < SYS_MAXSYSCALL; ++i) 3075 if (freebsd32_sysent[i].sy_call == 3076 (sy_call_t *)lkmnosys) 3077 break; 3078 if (i == SYS_MAXSYSCALL) 3079 return (ENFILE); 3080 *offset = i; 3081 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 3082 return (EINVAL); 3083 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 3084 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 3085 return (EEXIST); 3086 3087 *old_sysent = freebsd32_sysent[*offset]; 3088 freebsd32_sysent[*offset] = *new_sysent; 3089 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags); 3090 return (0); 3091 } 3092 3093 int 3094 syscall32_deregister(int *offset, struct sysent *old_sysent) 3095 { 3096 3097 if (*offset == 0) 3098 return (0); 3099 3100 freebsd32_sysent[*offset] = *old_sysent; 3101 return (0); 3102 } 3103 3104 int 3105 syscall32_module_handler(struct module *mod, int what, void *arg) 3106 { 3107 struct syscall_module_data *data = (struct syscall_module_data*)arg; 3108 modspecific_t ms; 3109 int error; 3110 3111 switch (what) { 3112 case MOD_LOAD: 3113 error = syscall32_register(data->offset, data->new_sysent, 3114 &data->old_sysent, SY_THR_STATIC_KLD); 3115 if (error) { 3116 /* Leave a mark so we know to safely unload below. */ 3117 data->offset = NULL; 3118 return error; 3119 } 3120 ms.intval = *data->offset; 3121 MOD_XLOCK; 3122 module_setspecific(mod, &ms); 3123 MOD_XUNLOCK; 3124 if (data->chainevh) 3125 error = data->chainevh(mod, what, data->chainarg); 3126 return (error); 3127 case MOD_UNLOAD: 3128 /* 3129 * MOD_LOAD failed, so just return without calling the 3130 * chained handler since we didn't pass along the MOD_LOAD 3131 * event. 3132 */ 3133 if (data->offset == NULL) 3134 return (0); 3135 if (data->chainevh) { 3136 error = data->chainevh(mod, what, data->chainarg); 3137 if (error) 3138 return (error); 3139 } 3140 error = syscall32_deregister(data->offset, &data->old_sysent); 3141 return (error); 3142 default: 3143 error = EOPNOTSUPP; 3144 if (data->chainevh) 3145 error = data->chainevh(mod, what, data->chainarg); 3146 return (error); 3147 } 3148 } 3149 3150 int 3151 syscall32_helper_register(struct syscall_helper_data *sd, int flags) 3152 { 3153 struct syscall_helper_data *sd1; 3154 int error; 3155 3156 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 3157 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 3158 &sd1->old_sysent, flags); 3159 if (error != 0) { 3160 syscall32_helper_unregister(sd); 3161 return (error); 3162 } 3163 sd1->registered = 1; 3164 } 3165 return (0); 3166 } 3167 3168 int 3169 syscall32_helper_unregister(struct syscall_helper_data *sd) 3170 { 3171 struct syscall_helper_data *sd1; 3172 3173 for (sd1 = sd; sd1->registered != 0; sd1++) { 3174 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 3175 sd1->registered = 0; 3176 } 3177 return (0); 3178 } 3179 3180 register_t * 3181 freebsd32_copyout_strings(struct image_params *imgp) 3182 { 3183 int argc, envc, i; 3184 u_int32_t *vectp; 3185 char *stringp; 3186 uintptr_t destp; 3187 u_int32_t *stack_base; 3188 struct freebsd32_ps_strings *arginfo; 3189 char canary[sizeof(long) * 8]; 3190 int32_t pagesizes32[MAXPAGESIZES]; 3191 size_t execpath_len; 3192 int szsigcode; 3193 3194 /* 3195 * Calculate string base and vector table pointers. 3196 * Also deal with signal trampoline code for this exec type. 3197 */ 3198 if (imgp->execpath != NULL && imgp->auxargs != NULL) 3199 execpath_len = strlen(imgp->execpath) + 1; 3200 else 3201 execpath_len = 0; 3202 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 3203 sv_psstrings; 3204 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 3205 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 3206 else 3207 szsigcode = 0; 3208 destp = (uintptr_t)arginfo; 3209 3210 /* 3211 * install sigcode 3212 */ 3213 if (szsigcode != 0) { 3214 destp -= szsigcode; 3215 destp = rounddown2(destp, sizeof(uint32_t)); 3216 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 3217 szsigcode); 3218 } 3219 3220 /* 3221 * Copy the image path for the rtld. 3222 */ 3223 if (execpath_len != 0) { 3224 destp -= execpath_len; 3225 imgp->execpathp = destp; 3226 copyout(imgp->execpath, (void *)destp, execpath_len); 3227 } 3228 3229 /* 3230 * Prepare the canary for SSP. 3231 */ 3232 arc4rand(canary, sizeof(canary), 0); 3233 destp -= sizeof(canary); 3234 imgp->canary = destp; 3235 copyout(canary, (void *)destp, sizeof(canary)); 3236 imgp->canarylen = sizeof(canary); 3237 3238 /* 3239 * Prepare the pagesizes array. 3240 */ 3241 for (i = 0; i < MAXPAGESIZES; i++) 3242 pagesizes32[i] = (uint32_t)pagesizes[i]; 3243 destp -= sizeof(pagesizes32); 3244 destp = rounddown2(destp, sizeof(uint32_t)); 3245 imgp->pagesizes = destp; 3246 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 3247 imgp->pagesizeslen = sizeof(pagesizes32); 3248 3249 destp -= ARG_MAX - imgp->args->stringspace; 3250 destp = rounddown2(destp, sizeof(uint32_t)); 3251 3252 /* 3253 * If we have a valid auxargs ptr, prepare some room 3254 * on the stack. 3255 */ 3256 if (imgp->auxargs) { 3257 /* 3258 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 3259 * lower compatibility. 3260 */ 3261 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 3262 : (AT_COUNT * 2); 3263 /* 3264 * The '+ 2' is for the null pointers at the end of each of 3265 * the arg and env vector sets,and imgp->auxarg_size is room 3266 * for argument of Runtime loader. 3267 */ 3268 vectp = (u_int32_t *) (destp - (imgp->args->argc + 3269 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 3270 sizeof(u_int32_t)); 3271 } else { 3272 /* 3273 * The '+ 2' is for the null pointers at the end of each of 3274 * the arg and env vector sets 3275 */ 3276 vectp = (u_int32_t *)(destp - (imgp->args->argc + 3277 imgp->args->envc + 2) * sizeof(u_int32_t)); 3278 } 3279 3280 /* 3281 * vectp also becomes our initial stack base 3282 */ 3283 stack_base = vectp; 3284 3285 stringp = imgp->args->begin_argv; 3286 argc = imgp->args->argc; 3287 envc = imgp->args->envc; 3288 /* 3289 * Copy out strings - arguments and environment. 3290 */ 3291 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 3292 3293 /* 3294 * Fill in "ps_strings" struct for ps, w, etc. 3295 */ 3296 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 3297 suword32(&arginfo->ps_nargvstr, argc); 3298 3299 /* 3300 * Fill in argument portion of vector table. 3301 */ 3302 for (; argc > 0; --argc) { 3303 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3304 while (*stringp++ != 0) 3305 destp++; 3306 destp++; 3307 } 3308 3309 /* a null vector table pointer separates the argp's from the envp's */ 3310 suword32(vectp++, 0); 3311 3312 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 3313 suword32(&arginfo->ps_nenvstr, envc); 3314 3315 /* 3316 * Fill in environment portion of vector table. 3317 */ 3318 for (; envc > 0; --envc) { 3319 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3320 while (*stringp++ != 0) 3321 destp++; 3322 destp++; 3323 } 3324 3325 /* end of vector table is a null pointer */ 3326 suword32(vectp, 0); 3327 3328 return ((register_t *)stack_base); 3329 } 3330 3331 int 3332 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 3333 { 3334 struct kld_file_stat stat; 3335 struct kld32_file_stat stat32; 3336 int error, version; 3337 3338 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 3339 != 0) 3340 return (error); 3341 if (version != sizeof(struct kld32_file_stat_1) && 3342 version != sizeof(struct kld32_file_stat)) 3343 return (EINVAL); 3344 3345 error = kern_kldstat(td, uap->fileid, &stat); 3346 if (error != 0) 3347 return (error); 3348 3349 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 3350 CP(stat, stat32, refs); 3351 CP(stat, stat32, id); 3352 PTROUT_CP(stat, stat32, address); 3353 CP(stat, stat32, size); 3354 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 3355 return (copyout(&stat32, uap->stat, version)); 3356 } 3357 3358 int 3359 freebsd32_posix_fallocate(struct thread *td, 3360 struct freebsd32_posix_fallocate_args *uap) 3361 { 3362 int error; 3363 3364 error = kern_posix_fallocate(td, uap->fd, 3365 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3366 return (kern_posix_error(td, error)); 3367 } 3368 3369 int 3370 freebsd32_posix_fadvise(struct thread *td, 3371 struct freebsd32_posix_fadvise_args *uap) 3372 { 3373 int error; 3374 3375 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 3376 PAIR32TO64(off_t, uap->len), uap->advice); 3377 return (kern_posix_error(td, error)); 3378 } 3379 3380 int 3381 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3382 { 3383 3384 CP(*sig32, *sig, sigev_notify); 3385 switch (sig->sigev_notify) { 3386 case SIGEV_NONE: 3387 break; 3388 case SIGEV_THREAD_ID: 3389 CP(*sig32, *sig, sigev_notify_thread_id); 3390 /* FALLTHROUGH */ 3391 case SIGEV_SIGNAL: 3392 CP(*sig32, *sig, sigev_signo); 3393 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3394 break; 3395 case SIGEV_KEVENT: 3396 CP(*sig32, *sig, sigev_notify_kqueue); 3397 CP(*sig32, *sig, sigev_notify_kevent_flags); 3398 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3399 break; 3400 default: 3401 return (EINVAL); 3402 } 3403 return (0); 3404 } 3405 3406 int 3407 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3408 { 3409 void *data; 3410 union { 3411 struct procctl_reaper_status rs; 3412 struct procctl_reaper_pids rp; 3413 struct procctl_reaper_kill rk; 3414 } x; 3415 union { 3416 struct procctl_reaper_pids32 rp; 3417 } x32; 3418 int error, error1, flags; 3419 3420 switch (uap->com) { 3421 case PROC_SPROTECT: 3422 case PROC_TRACE_CTL: 3423 case PROC_TRAPCAP_CTL: 3424 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3425 if (error != 0) 3426 return (error); 3427 data = &flags; 3428 break; 3429 case PROC_REAP_ACQUIRE: 3430 case PROC_REAP_RELEASE: 3431 if (uap->data != NULL) 3432 return (EINVAL); 3433 data = NULL; 3434 break; 3435 case PROC_REAP_STATUS: 3436 data = &x.rs; 3437 break; 3438 case PROC_REAP_GETPIDS: 3439 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3440 if (error != 0) 3441 return (error); 3442 CP(x32.rp, x.rp, rp_count); 3443 PTRIN_CP(x32.rp, x.rp, rp_pids); 3444 data = &x.rp; 3445 break; 3446 case PROC_REAP_KILL: 3447 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3448 if (error != 0) 3449 return (error); 3450 data = &x.rk; 3451 break; 3452 case PROC_TRACE_STATUS: 3453 case PROC_TRAPCAP_STATUS: 3454 data = &flags; 3455 break; 3456 default: 3457 return (EINVAL); 3458 } 3459 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3460 uap->com, data); 3461 switch (uap->com) { 3462 case PROC_REAP_STATUS: 3463 if (error == 0) 3464 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3465 break; 3466 case PROC_REAP_KILL: 3467 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3468 if (error == 0) 3469 error = error1; 3470 break; 3471 case PROC_TRACE_STATUS: 3472 case PROC_TRAPCAP_STATUS: 3473 if (error == 0) 3474 error = copyout(&flags, uap->data, sizeof(flags)); 3475 break; 3476 } 3477 return (error); 3478 } 3479 3480 int 3481 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3482 { 3483 long tmp; 3484 3485 switch (uap->cmd) { 3486 /* 3487 * Do unsigned conversion for arg when operation 3488 * interprets it as flags or pointer. 3489 */ 3490 case F_SETLK_REMOTE: 3491 case F_SETLKW: 3492 case F_SETLK: 3493 case F_GETLK: 3494 case F_SETFD: 3495 case F_SETFL: 3496 case F_OGETLK: 3497 case F_OSETLK: 3498 case F_OSETLKW: 3499 tmp = (unsigned int)(uap->arg); 3500 break; 3501 default: 3502 tmp = uap->arg; 3503 break; 3504 } 3505 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3506 } 3507 3508 int 3509 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3510 { 3511 struct timespec32 ts32; 3512 struct timespec ts, *tsp; 3513 sigset_t set, *ssp; 3514 int error; 3515 3516 if (uap->ts != NULL) { 3517 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3518 if (error != 0) 3519 return (error); 3520 CP(ts32, ts, tv_sec); 3521 CP(ts32, ts, tv_nsec); 3522 tsp = &ts; 3523 } else 3524 tsp = NULL; 3525 if (uap->set != NULL) { 3526 error = copyin(uap->set, &set, sizeof(set)); 3527 if (error != 0) 3528 return (error); 3529 ssp = &set; 3530 } else 3531 ssp = NULL; 3532 3533 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3534 } 3535