freebsd32_misc.c revision 315550
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: stable/11/sys/compat/freebsd32/freebsd32_misc.c 315550 2017-03-19 14:36:19Z trasz $"); 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 110FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 111 112#ifndef __mips__ 113CTASSERT(sizeof(struct timeval32) == 8); 114CTASSERT(sizeof(struct timespec32) == 8); 115CTASSERT(sizeof(struct itimerval32) == 16); 116#endif 117CTASSERT(sizeof(struct statfs32) == 256); 118#ifndef __mips__ 119CTASSERT(sizeof(struct rusage32) == 72); 120#endif 121CTASSERT(sizeof(struct sigaltstack32) == 12); 122CTASSERT(sizeof(struct kevent32) == 20); 123CTASSERT(sizeof(struct iovec32) == 8); 124CTASSERT(sizeof(struct msghdr32) == 28); 125#ifndef __mips__ 126CTASSERT(sizeof(struct stat32) == 96); 127#endif 128CTASSERT(sizeof(struct sigaction32) == 24); 129 130static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 131static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 132 133void 134freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 135{ 136 137 TV_CP(*s, *s32, ru_utime); 138 TV_CP(*s, *s32, ru_stime); 139 CP(*s, *s32, ru_maxrss); 140 CP(*s, *s32, ru_ixrss); 141 CP(*s, *s32, ru_idrss); 142 CP(*s, *s32, ru_isrss); 143 CP(*s, *s32, ru_minflt); 144 CP(*s, *s32, ru_majflt); 145 CP(*s, *s32, ru_nswap); 146 CP(*s, *s32, ru_inblock); 147 CP(*s, *s32, ru_oublock); 148 CP(*s, *s32, ru_msgsnd); 149 CP(*s, *s32, ru_msgrcv); 150 CP(*s, *s32, ru_nsignals); 151 CP(*s, *s32, ru_nvcsw); 152 CP(*s, *s32, ru_nivcsw); 153} 154 155int 156freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 157{ 158 int error, status; 159 struct rusage32 ru32; 160 struct rusage ru, *rup; 161 162 if (uap->rusage != NULL) 163 rup = &ru; 164 else 165 rup = NULL; 166 error = kern_wait(td, uap->pid, &status, uap->options, rup); 167 if (error) 168 return (error); 169 if (uap->status != NULL) 170 error = copyout(&status, uap->status, sizeof(status)); 171 if (uap->rusage != NULL && error == 0) { 172 freebsd32_rusage_out(&ru, &ru32); 173 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 174 } 175 return (error); 176} 177 178int 179freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 180{ 181 struct wrusage32 wru32; 182 struct __wrusage wru, *wrup; 183 struct siginfo32 si32; 184 struct __siginfo si, *sip; 185 int error, status; 186 187 if (uap->wrusage != NULL) 188 wrup = &wru; 189 else 190 wrup = NULL; 191 if (uap->info != NULL) { 192 sip = &si; 193 bzero(sip, sizeof(*sip)); 194 } else 195 sip = NULL; 196 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 197 &status, uap->options, wrup, sip); 198 if (error != 0) 199 return (error); 200 if (uap->status != NULL) 201 error = copyout(&status, uap->status, sizeof(status)); 202 if (uap->wrusage != NULL && error == 0) { 203 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 204 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 205 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 206 } 207 if (uap->info != NULL && error == 0) { 208 siginfo_to_siginfo32 (&si, &si32); 209 error = copyout(&si32, uap->info, sizeof(si32)); 210 } 211 return (error); 212} 213 214#ifdef COMPAT_FREEBSD4 215static void 216copy_statfs(struct statfs *in, struct statfs32 *out) 217{ 218 219 statfs_scale_blocks(in, INT32_MAX); 220 bzero(out, sizeof(*out)); 221 CP(*in, *out, f_bsize); 222 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 223 CP(*in, *out, f_blocks); 224 CP(*in, *out, f_bfree); 225 CP(*in, *out, f_bavail); 226 out->f_files = MIN(in->f_files, INT32_MAX); 227 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 228 CP(*in, *out, f_fsid); 229 CP(*in, *out, f_owner); 230 CP(*in, *out, f_type); 231 CP(*in, *out, f_flags); 232 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 233 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 234 strlcpy(out->f_fstypename, 235 in->f_fstypename, MFSNAMELEN); 236 strlcpy(out->f_mntonname, 237 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 238 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 239 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 240 strlcpy(out->f_mntfromname, 241 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 242} 243#endif 244 245#ifdef COMPAT_FREEBSD4 246int 247freebsd4_freebsd32_getfsstat(struct thread *td, 248 struct freebsd4_freebsd32_getfsstat_args *uap) 249{ 250 struct statfs *buf, *sp; 251 struct statfs32 stat32; 252 size_t count, size, copycount; 253 int error; 254 255 count = uap->bufsize / sizeof(struct statfs32); 256 size = count * sizeof(struct statfs); 257 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode); 258 if (size > 0) { 259 sp = buf; 260 copycount = count; 261 while (copycount > 0 && error == 0) { 262 copy_statfs(sp, &stat32); 263 error = copyout(&stat32, uap->buf, sizeof(stat32)); 264 sp++; 265 uap->buf++; 266 copycount--; 267 } 268 free(buf, M_STATFS); 269 } 270 if (error == 0) 271 td->td_retval[0] = count; 272 return (error); 273} 274#endif 275 276#ifdef COMPAT_FREEBSD10 277int 278freebsd10_freebsd32_pipe(struct thread *td, 279 struct freebsd10_freebsd32_pipe_args *uap) { 280 281 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap)); 282} 283#endif 284 285int 286freebsd32_sigaltstack(struct thread *td, 287 struct freebsd32_sigaltstack_args *uap) 288{ 289 struct sigaltstack32 s32; 290 struct sigaltstack ss, oss, *ssp; 291 int error; 292 293 if (uap->ss != NULL) { 294 error = copyin(uap->ss, &s32, sizeof(s32)); 295 if (error) 296 return (error); 297 PTRIN_CP(s32, ss, ss_sp); 298 CP(s32, ss, ss_size); 299 CP(s32, ss, ss_flags); 300 ssp = &ss; 301 } else 302 ssp = NULL; 303 error = kern_sigaltstack(td, ssp, &oss); 304 if (error == 0 && uap->oss != NULL) { 305 PTROUT_CP(oss, s32, ss_sp); 306 CP(oss, s32, ss_size); 307 CP(oss, s32, ss_flags); 308 error = copyout(&s32, uap->oss, sizeof(s32)); 309 } 310 return (error); 311} 312 313/* 314 * Custom version of exec_copyin_args() so that we can translate 315 * the pointers. 316 */ 317int 318freebsd32_exec_copyin_args(struct image_args *args, char *fname, 319 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 320{ 321 char *argp, *envp; 322 u_int32_t *p32, arg; 323 size_t length; 324 int error; 325 326 bzero(args, sizeof(*args)); 327 if (argv == NULL) 328 return (EFAULT); 329 330 /* 331 * Allocate demand-paged memory for the file name, argument, and 332 * environment strings. 333 */ 334 error = exec_alloc_args(args); 335 if (error != 0) 336 return (error); 337 338 /* 339 * Copy the file name. 340 */ 341 if (fname != NULL) { 342 args->fname = args->buf; 343 error = (segflg == UIO_SYSSPACE) ? 344 copystr(fname, args->fname, PATH_MAX, &length) : 345 copyinstr(fname, args->fname, PATH_MAX, &length); 346 if (error != 0) 347 goto err_exit; 348 } else 349 length = 0; 350 351 args->begin_argv = args->buf + length; 352 args->endp = args->begin_argv; 353 args->stringspace = ARG_MAX; 354 355 /* 356 * extract arguments first 357 */ 358 p32 = argv; 359 for (;;) { 360 error = copyin(p32++, &arg, sizeof(arg)); 361 if (error) 362 goto err_exit; 363 if (arg == 0) 364 break; 365 argp = PTRIN(arg); 366 error = copyinstr(argp, args->endp, args->stringspace, &length); 367 if (error) { 368 if (error == ENAMETOOLONG) 369 error = E2BIG; 370 goto err_exit; 371 } 372 args->stringspace -= length; 373 args->endp += length; 374 args->argc++; 375 } 376 377 args->begin_envv = args->endp; 378 379 /* 380 * extract environment strings 381 */ 382 if (envv) { 383 p32 = envv; 384 for (;;) { 385 error = copyin(p32++, &arg, sizeof(arg)); 386 if (error) 387 goto err_exit; 388 if (arg == 0) 389 break; 390 envp = PTRIN(arg); 391 error = copyinstr(envp, args->endp, args->stringspace, 392 &length); 393 if (error) { 394 if (error == ENAMETOOLONG) 395 error = E2BIG; 396 goto err_exit; 397 } 398 args->stringspace -= length; 399 args->endp += length; 400 args->envc++; 401 } 402 } 403 404 return (0); 405 406err_exit: 407 exec_free_args(args); 408 return (error); 409} 410 411int 412freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 413{ 414 struct image_args eargs; 415 struct vmspace *oldvmspace; 416 int error; 417 418 error = pre_execve(td, &oldvmspace); 419 if (error != 0) 420 return (error); 421 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 422 uap->argv, uap->envv); 423 if (error == 0) 424 error = kern_execve(td, &eargs, NULL); 425 post_execve(td, error, oldvmspace); 426 return (error); 427} 428 429int 430freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 431{ 432 struct image_args eargs; 433 struct vmspace *oldvmspace; 434 int error; 435 436 error = pre_execve(td, &oldvmspace); 437 if (error != 0) 438 return (error); 439 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 440 uap->argv, uap->envv); 441 if (error == 0) { 442 eargs.fd = uap->fd; 443 error = kern_execve(td, &eargs, NULL); 444 } 445 post_execve(td, error, oldvmspace); 446 return (error); 447} 448 449int 450freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 451{ 452 int prot; 453 454 prot = uap->prot; 455#if defined(__amd64__) 456 if (i386_read_exec && (prot & PROT_READ) != 0) 457 prot |= PROT_EXEC; 458#endif 459 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len, 460 prot)); 461} 462 463int 464freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 465{ 466 int prot; 467 468 prot = uap->prot; 469#if defined(__amd64__) 470 if (i386_read_exec && (prot & PROT_READ)) 471 prot |= PROT_EXEC; 472#endif 473 474 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 475 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 476} 477 478#ifdef COMPAT_FREEBSD6 479int 480freebsd6_freebsd32_mmap(struct thread *td, 481 struct freebsd6_freebsd32_mmap_args *uap) 482{ 483 int prot; 484 485 prot = uap->prot; 486#if defined(__amd64__) 487 if (i386_read_exec && (prot & PROT_READ)) 488 prot |= PROT_EXEC; 489#endif 490 491 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 492 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 493} 494#endif 495 496int 497freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 498{ 499 struct itimerval itv, oitv, *itvp; 500 struct itimerval32 i32; 501 int error; 502 503 if (uap->itv != NULL) { 504 error = copyin(uap->itv, &i32, sizeof(i32)); 505 if (error) 506 return (error); 507 TV_CP(i32, itv, it_interval); 508 TV_CP(i32, itv, it_value); 509 itvp = &itv; 510 } else 511 itvp = NULL; 512 error = kern_setitimer(td, uap->which, itvp, &oitv); 513 if (error || uap->oitv == NULL) 514 return (error); 515 TV_CP(oitv, i32, it_interval); 516 TV_CP(oitv, i32, it_value); 517 return (copyout(&i32, uap->oitv, sizeof(i32))); 518} 519 520int 521freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 522{ 523 struct itimerval itv; 524 struct itimerval32 i32; 525 int error; 526 527 error = kern_getitimer(td, uap->which, &itv); 528 if (error || uap->itv == NULL) 529 return (error); 530 TV_CP(itv, i32, it_interval); 531 TV_CP(itv, i32, it_value); 532 return (copyout(&i32, uap->itv, sizeof(i32))); 533} 534 535int 536freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 537{ 538 struct timeval32 tv32; 539 struct timeval tv, *tvp; 540 int error; 541 542 if (uap->tv != NULL) { 543 error = copyin(uap->tv, &tv32, sizeof(tv32)); 544 if (error) 545 return (error); 546 CP(tv32, tv, tv_sec); 547 CP(tv32, tv, tv_usec); 548 tvp = &tv; 549 } else 550 tvp = NULL; 551 /* 552 * XXX Do pointers need PTRIN()? 553 */ 554 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 555 sizeof(int32_t) * 8)); 556} 557 558int 559freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 560{ 561 struct timespec32 ts32; 562 struct timespec ts; 563 struct timeval tv, *tvp; 564 sigset_t set, *uset; 565 int error; 566 567 if (uap->ts != NULL) { 568 error = copyin(uap->ts, &ts32, sizeof(ts32)); 569 if (error != 0) 570 return (error); 571 CP(ts32, ts, tv_sec); 572 CP(ts32, ts, tv_nsec); 573 TIMESPEC_TO_TIMEVAL(&tv, &ts); 574 tvp = &tv; 575 } else 576 tvp = NULL; 577 if (uap->sm != NULL) { 578 error = copyin(uap->sm, &set, sizeof(set)); 579 if (error != 0) 580 return (error); 581 uset = &set; 582 } else 583 uset = NULL; 584 /* 585 * XXX Do pointers need PTRIN()? 586 */ 587 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 588 uset, sizeof(int32_t) * 8); 589 return (error); 590} 591 592/* 593 * Copy 'count' items into the destination list pointed to by uap->eventlist. 594 */ 595static int 596freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 597{ 598 struct freebsd32_kevent_args *uap; 599 struct kevent32 ks32[KQ_NEVENTS]; 600 int i, error = 0; 601 602 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 603 uap = (struct freebsd32_kevent_args *)arg; 604 605 for (i = 0; i < count; i++) { 606 CP(kevp[i], ks32[i], ident); 607 CP(kevp[i], ks32[i], filter); 608 CP(kevp[i], ks32[i], flags); 609 CP(kevp[i], ks32[i], fflags); 610 CP(kevp[i], ks32[i], data); 611 PTROUT_CP(kevp[i], ks32[i], udata); 612 } 613 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 614 if (error == 0) 615 uap->eventlist += count; 616 return (error); 617} 618 619/* 620 * Copy 'count' items from the list pointed to by uap->changelist. 621 */ 622static int 623freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 624{ 625 struct freebsd32_kevent_args *uap; 626 struct kevent32 ks32[KQ_NEVENTS]; 627 int i, error = 0; 628 629 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 630 uap = (struct freebsd32_kevent_args *)arg; 631 632 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 633 if (error) 634 goto done; 635 uap->changelist += count; 636 637 for (i = 0; i < count; i++) { 638 CP(ks32[i], kevp[i], ident); 639 CP(ks32[i], kevp[i], filter); 640 CP(ks32[i], kevp[i], flags); 641 CP(ks32[i], kevp[i], fflags); 642 CP(ks32[i], kevp[i], data); 643 PTRIN_CP(ks32[i], kevp[i], udata); 644 } 645done: 646 return (error); 647} 648 649int 650freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 651{ 652 struct timespec32 ts32; 653 struct timespec ts, *tsp; 654 struct kevent_copyops k_ops = { 655 .arg = uap, 656 .k_copyout = freebsd32_kevent_copyout, 657 .k_copyin = freebsd32_kevent_copyin, 658 }; 659 int error; 660 661 662 if (uap->timeout) { 663 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 664 if (error) 665 return (error); 666 CP(ts32, ts, tv_sec); 667 CP(ts32, ts, tv_nsec); 668 tsp = &ts; 669 } else 670 tsp = NULL; 671 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 672 &k_ops, tsp); 673 return (error); 674} 675 676int 677freebsd32_gettimeofday(struct thread *td, 678 struct freebsd32_gettimeofday_args *uap) 679{ 680 struct timeval atv; 681 struct timeval32 atv32; 682 struct timezone rtz; 683 int error = 0; 684 685 if (uap->tp) { 686 microtime(&atv); 687 CP(atv, atv32, tv_sec); 688 CP(atv, atv32, tv_usec); 689 error = copyout(&atv32, uap->tp, sizeof (atv32)); 690 } 691 if (error == 0 && uap->tzp != NULL) { 692 rtz.tz_minuteswest = tz_minuteswest; 693 rtz.tz_dsttime = tz_dsttime; 694 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 695 } 696 return (error); 697} 698 699int 700freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 701{ 702 struct rusage32 s32; 703 struct rusage s; 704 int error; 705 706 error = kern_getrusage(td, uap->who, &s); 707 if (error) 708 return (error); 709 if (uap->rusage != NULL) { 710 freebsd32_rusage_out(&s, &s32); 711 error = copyout(&s32, uap->rusage, sizeof(s32)); 712 } 713 return (error); 714} 715 716static int 717freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 718{ 719 struct iovec32 iov32; 720 struct iovec *iov; 721 struct uio *uio; 722 u_int iovlen; 723 int error, i; 724 725 *uiop = NULL; 726 if (iovcnt > UIO_MAXIOV) 727 return (EINVAL); 728 iovlen = iovcnt * sizeof(struct iovec); 729 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 730 iov = (struct iovec *)(uio + 1); 731 for (i = 0; i < iovcnt; i++) { 732 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 733 if (error) { 734 free(uio, M_IOV); 735 return (error); 736 } 737 iov[i].iov_base = PTRIN(iov32.iov_base); 738 iov[i].iov_len = iov32.iov_len; 739 } 740 uio->uio_iov = iov; 741 uio->uio_iovcnt = iovcnt; 742 uio->uio_segflg = UIO_USERSPACE; 743 uio->uio_offset = -1; 744 uio->uio_resid = 0; 745 for (i = 0; i < iovcnt; i++) { 746 if (iov->iov_len > INT_MAX - uio->uio_resid) { 747 free(uio, M_IOV); 748 return (EINVAL); 749 } 750 uio->uio_resid += iov->iov_len; 751 iov++; 752 } 753 *uiop = uio; 754 return (0); 755} 756 757int 758freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 759{ 760 struct uio *auio; 761 int error; 762 763 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 764 if (error) 765 return (error); 766 error = kern_readv(td, uap->fd, auio); 767 free(auio, M_IOV); 768 return (error); 769} 770 771int 772freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 773{ 774 struct uio *auio; 775 int error; 776 777 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 778 if (error) 779 return (error); 780 error = kern_writev(td, uap->fd, auio); 781 free(auio, M_IOV); 782 return (error); 783} 784 785int 786freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 787{ 788 struct uio *auio; 789 int error; 790 791 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 792 if (error) 793 return (error); 794 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 795 free(auio, M_IOV); 796 return (error); 797} 798 799int 800freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 801{ 802 struct uio *auio; 803 int error; 804 805 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 806 if (error) 807 return (error); 808 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 809 free(auio, M_IOV); 810 return (error); 811} 812 813int 814freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 815 int error) 816{ 817 struct iovec32 iov32; 818 struct iovec *iov; 819 u_int iovlen; 820 int i; 821 822 *iovp = NULL; 823 if (iovcnt > UIO_MAXIOV) 824 return (error); 825 iovlen = iovcnt * sizeof(struct iovec); 826 iov = malloc(iovlen, M_IOV, M_WAITOK); 827 for (i = 0; i < iovcnt; i++) { 828 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 829 if (error) { 830 free(iov, M_IOV); 831 return (error); 832 } 833 iov[i].iov_base = PTRIN(iov32.iov_base); 834 iov[i].iov_len = iov32.iov_len; 835 } 836 *iovp = iov; 837 return (0); 838} 839 840static int 841freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 842{ 843 struct msghdr32 m32; 844 int error; 845 846 error = copyin(msg32, &m32, sizeof(m32)); 847 if (error) 848 return (error); 849 msg->msg_name = PTRIN(m32.msg_name); 850 msg->msg_namelen = m32.msg_namelen; 851 msg->msg_iov = PTRIN(m32.msg_iov); 852 msg->msg_iovlen = m32.msg_iovlen; 853 msg->msg_control = PTRIN(m32.msg_control); 854 msg->msg_controllen = m32.msg_controllen; 855 msg->msg_flags = m32.msg_flags; 856 return (0); 857} 858 859static int 860freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 861{ 862 struct msghdr32 m32; 863 int error; 864 865 m32.msg_name = PTROUT(msg->msg_name); 866 m32.msg_namelen = msg->msg_namelen; 867 m32.msg_iov = PTROUT(msg->msg_iov); 868 m32.msg_iovlen = msg->msg_iovlen; 869 m32.msg_control = PTROUT(msg->msg_control); 870 m32.msg_controllen = msg->msg_controllen; 871 m32.msg_flags = msg->msg_flags; 872 error = copyout(&m32, msg32, sizeof(m32)); 873 return (error); 874} 875 876#ifndef __mips__ 877#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 878#else 879#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 880#endif 881#define FREEBSD32_ALIGN(p) \ 882 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 883#define FREEBSD32_CMSG_SPACE(l) \ 884 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 885 886#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 887 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 888static int 889freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 890{ 891 struct cmsghdr *cm; 892 void *data; 893 socklen_t clen, datalen; 894 int error; 895 caddr_t ctlbuf; 896 int len, maxlen, copylen; 897 struct mbuf *m; 898 error = 0; 899 900 len = msg->msg_controllen; 901 maxlen = msg->msg_controllen; 902 msg->msg_controllen = 0; 903 904 m = control; 905 ctlbuf = msg->msg_control; 906 907 while (m && len > 0) { 908 cm = mtod(m, struct cmsghdr *); 909 clen = m->m_len; 910 911 while (cm != NULL) { 912 913 if (sizeof(struct cmsghdr) > clen || 914 cm->cmsg_len > clen) { 915 error = EINVAL; 916 break; 917 } 918 919 data = CMSG_DATA(cm); 920 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 921 922 /* Adjust message length */ 923 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 924 datalen; 925 926 927 /* Copy cmsghdr */ 928 copylen = sizeof(struct cmsghdr); 929 if (len < copylen) { 930 msg->msg_flags |= MSG_CTRUNC; 931 copylen = len; 932 } 933 934 error = copyout(cm,ctlbuf,copylen); 935 if (error) 936 goto exit; 937 938 ctlbuf += FREEBSD32_ALIGN(copylen); 939 len -= FREEBSD32_ALIGN(copylen); 940 941 if (len <= 0) 942 break; 943 944 /* Copy data */ 945 copylen = datalen; 946 if (len < copylen) { 947 msg->msg_flags |= MSG_CTRUNC; 948 copylen = len; 949 } 950 951 error = copyout(data,ctlbuf,copylen); 952 if (error) 953 goto exit; 954 955 ctlbuf += FREEBSD32_ALIGN(copylen); 956 len -= FREEBSD32_ALIGN(copylen); 957 958 if (CMSG_SPACE(datalen) < clen) { 959 clen -= CMSG_SPACE(datalen); 960 cm = (struct cmsghdr *) 961 ((caddr_t)cm + CMSG_SPACE(datalen)); 962 } else { 963 clen = 0; 964 cm = NULL; 965 } 966 } 967 m = m->m_next; 968 } 969 970 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 971 972exit: 973 return (error); 974 975} 976 977int 978freebsd32_recvmsg(td, uap) 979 struct thread *td; 980 struct freebsd32_recvmsg_args /* { 981 int s; 982 struct msghdr32 *msg; 983 int flags; 984 } */ *uap; 985{ 986 struct msghdr msg; 987 struct msghdr32 m32; 988 struct iovec *uiov, *iov; 989 struct mbuf *control = NULL; 990 struct mbuf **controlp; 991 992 int error; 993 error = copyin(uap->msg, &m32, sizeof(m32)); 994 if (error) 995 return (error); 996 error = freebsd32_copyinmsghdr(uap->msg, &msg); 997 if (error) 998 return (error); 999 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1000 EMSGSIZE); 1001 if (error) 1002 return (error); 1003 msg.msg_flags = uap->flags; 1004 uiov = msg.msg_iov; 1005 msg.msg_iov = iov; 1006 1007 controlp = (msg.msg_control != NULL) ? &control : NULL; 1008 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1009 if (error == 0) { 1010 msg.msg_iov = uiov; 1011 1012 if (control != NULL) 1013 error = freebsd32_copy_msg_out(&msg, control); 1014 else 1015 msg.msg_controllen = 0; 1016 1017 if (error == 0) 1018 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1019 } 1020 free(iov, M_IOV); 1021 1022 if (control != NULL) 1023 m_freem(control); 1024 1025 return (error); 1026} 1027 1028/* 1029 * Copy-in the array of control messages constructed using alignment 1030 * and padding suitable for a 32-bit environment and construct an 1031 * mbuf using alignment and padding suitable for a 64-bit kernel. 1032 * The alignment and padding are defined indirectly by CMSG_DATA(), 1033 * CMSG_SPACE() and CMSG_LEN(). 1034 */ 1035static int 1036freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1037{ 1038 struct mbuf *m; 1039 void *md; 1040 u_int idx, len, msglen; 1041 int error; 1042 1043 buflen = FREEBSD32_ALIGN(buflen); 1044 1045 if (buflen > MCLBYTES) 1046 return (EINVAL); 1047 1048 /* 1049 * Iterate over the buffer and get the length of each message 1050 * in there. This has 32-bit alignment and padding. Use it to 1051 * determine the length of these messages when using 64-bit 1052 * alignment and padding. 1053 */ 1054 idx = 0; 1055 len = 0; 1056 while (idx < buflen) { 1057 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1058 if (error) 1059 return (error); 1060 if (msglen < sizeof(struct cmsghdr)) 1061 return (EINVAL); 1062 msglen = FREEBSD32_ALIGN(msglen); 1063 if (idx + msglen > buflen) 1064 return (EINVAL); 1065 idx += msglen; 1066 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1067 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1068 len += CMSG_ALIGN(msglen); 1069 } 1070 1071 if (len > MCLBYTES) 1072 return (EINVAL); 1073 1074 m = m_get(M_WAITOK, MT_CONTROL); 1075 if (len > MLEN) 1076 MCLGET(m, M_WAITOK); 1077 m->m_len = len; 1078 1079 md = mtod(m, void *); 1080 while (buflen > 0) { 1081 error = copyin(buf, md, sizeof(struct cmsghdr)); 1082 if (error) 1083 break; 1084 msglen = *(u_int *)md; 1085 msglen = FREEBSD32_ALIGN(msglen); 1086 1087 /* Modify the message length to account for alignment. */ 1088 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1089 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1090 1091 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1092 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1093 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1094 1095 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1096 if (msglen > 0) { 1097 error = copyin(buf, md, msglen); 1098 if (error) 1099 break; 1100 md = (char *)md + CMSG_ALIGN(msglen); 1101 buf += msglen; 1102 buflen -= msglen; 1103 } 1104 } 1105 1106 if (error) 1107 m_free(m); 1108 else 1109 *mp = m; 1110 return (error); 1111} 1112 1113int 1114freebsd32_sendmsg(struct thread *td, 1115 struct freebsd32_sendmsg_args *uap) 1116{ 1117 struct msghdr msg; 1118 struct msghdr32 m32; 1119 struct iovec *iov; 1120 struct mbuf *control = NULL; 1121 struct sockaddr *to = NULL; 1122 int error; 1123 1124 error = copyin(uap->msg, &m32, sizeof(m32)); 1125 if (error) 1126 return (error); 1127 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1128 if (error) 1129 return (error); 1130 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1131 EMSGSIZE); 1132 if (error) 1133 return (error); 1134 msg.msg_iov = iov; 1135 if (msg.msg_name != NULL) { 1136 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1137 if (error) { 1138 to = NULL; 1139 goto out; 1140 } 1141 msg.msg_name = to; 1142 } 1143 1144 if (msg.msg_control) { 1145 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1146 error = EINVAL; 1147 goto out; 1148 } 1149 1150 error = freebsd32_copyin_control(&control, msg.msg_control, 1151 msg.msg_controllen); 1152 if (error) 1153 goto out; 1154 1155 msg.msg_control = NULL; 1156 msg.msg_controllen = 0; 1157 } 1158 1159 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1160 UIO_USERSPACE); 1161 1162out: 1163 free(iov, M_IOV); 1164 if (to) 1165 free(to, M_SONAME); 1166 return (error); 1167} 1168 1169int 1170freebsd32_recvfrom(struct thread *td, 1171 struct freebsd32_recvfrom_args *uap) 1172{ 1173 struct msghdr msg; 1174 struct iovec aiov; 1175 int error; 1176 1177 if (uap->fromlenaddr) { 1178 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1179 sizeof(msg.msg_namelen)); 1180 if (error) 1181 return (error); 1182 } else { 1183 msg.msg_namelen = 0; 1184 } 1185 1186 msg.msg_name = PTRIN(uap->from); 1187 msg.msg_iov = &aiov; 1188 msg.msg_iovlen = 1; 1189 aiov.iov_base = PTRIN(uap->buf); 1190 aiov.iov_len = uap->len; 1191 msg.msg_control = NULL; 1192 msg.msg_flags = uap->flags; 1193 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1194 if (error == 0 && uap->fromlenaddr) 1195 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1196 sizeof (msg.msg_namelen)); 1197 return (error); 1198} 1199 1200int 1201freebsd32_settimeofday(struct thread *td, 1202 struct freebsd32_settimeofday_args *uap) 1203{ 1204 struct timeval32 tv32; 1205 struct timeval tv, *tvp; 1206 struct timezone tz, *tzp; 1207 int error; 1208 1209 if (uap->tv) { 1210 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1211 if (error) 1212 return (error); 1213 CP(tv32, tv, tv_sec); 1214 CP(tv32, tv, tv_usec); 1215 tvp = &tv; 1216 } else 1217 tvp = NULL; 1218 if (uap->tzp) { 1219 error = copyin(uap->tzp, &tz, sizeof(tz)); 1220 if (error) 1221 return (error); 1222 tzp = &tz; 1223 } else 1224 tzp = NULL; 1225 return (kern_settimeofday(td, tvp, tzp)); 1226} 1227 1228int 1229freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1230{ 1231 struct timeval32 s32[2]; 1232 struct timeval s[2], *sp; 1233 int error; 1234 1235 if (uap->tptr != NULL) { 1236 error = copyin(uap->tptr, s32, sizeof(s32)); 1237 if (error) 1238 return (error); 1239 CP(s32[0], s[0], tv_sec); 1240 CP(s32[0], s[0], tv_usec); 1241 CP(s32[1], s[1], tv_sec); 1242 CP(s32[1], s[1], tv_usec); 1243 sp = s; 1244 } else 1245 sp = NULL; 1246 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1247 sp, UIO_SYSSPACE)); 1248} 1249 1250int 1251freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1252{ 1253 struct timeval32 s32[2]; 1254 struct timeval s[2], *sp; 1255 int error; 1256 1257 if (uap->tptr != NULL) { 1258 error = copyin(uap->tptr, s32, sizeof(s32)); 1259 if (error) 1260 return (error); 1261 CP(s32[0], s[0], tv_sec); 1262 CP(s32[0], s[0], tv_usec); 1263 CP(s32[1], s[1], tv_sec); 1264 CP(s32[1], s[1], tv_usec); 1265 sp = s; 1266 } else 1267 sp = NULL; 1268 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1269} 1270 1271int 1272freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1273{ 1274 struct timeval32 s32[2]; 1275 struct timeval s[2], *sp; 1276 int error; 1277 1278 if (uap->tptr != NULL) { 1279 error = copyin(uap->tptr, s32, sizeof(s32)); 1280 if (error) 1281 return (error); 1282 CP(s32[0], s[0], tv_sec); 1283 CP(s32[0], s[0], tv_usec); 1284 CP(s32[1], s[1], tv_sec); 1285 CP(s32[1], s[1], tv_usec); 1286 sp = s; 1287 } else 1288 sp = NULL; 1289 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1290} 1291 1292int 1293freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1294{ 1295 struct timeval32 s32[2]; 1296 struct timeval s[2], *sp; 1297 int error; 1298 1299 if (uap->times != NULL) { 1300 error = copyin(uap->times, s32, sizeof(s32)); 1301 if (error) 1302 return (error); 1303 CP(s32[0], s[0], tv_sec); 1304 CP(s32[0], s[0], tv_usec); 1305 CP(s32[1], s[1], tv_sec); 1306 CP(s32[1], s[1], tv_usec); 1307 sp = s; 1308 } else 1309 sp = NULL; 1310 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1311 sp, UIO_SYSSPACE)); 1312} 1313 1314int 1315freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1316{ 1317 struct timespec32 ts32[2]; 1318 struct timespec ts[2], *tsp; 1319 int error; 1320 1321 if (uap->times != NULL) { 1322 error = copyin(uap->times, ts32, sizeof(ts32)); 1323 if (error) 1324 return (error); 1325 CP(ts32[0], ts[0], tv_sec); 1326 CP(ts32[0], ts[0], tv_nsec); 1327 CP(ts32[1], ts[1], tv_sec); 1328 CP(ts32[1], ts[1], tv_nsec); 1329 tsp = ts; 1330 } else 1331 tsp = NULL; 1332 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1333} 1334 1335int 1336freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1337{ 1338 struct timespec32 ts32[2]; 1339 struct timespec ts[2], *tsp; 1340 int error; 1341 1342 if (uap->times != NULL) { 1343 error = copyin(uap->times, ts32, sizeof(ts32)); 1344 if (error) 1345 return (error); 1346 CP(ts32[0], ts[0], tv_sec); 1347 CP(ts32[0], ts[0], tv_nsec); 1348 CP(ts32[1], ts[1], tv_sec); 1349 CP(ts32[1], ts[1], tv_nsec); 1350 tsp = ts; 1351 } else 1352 tsp = NULL; 1353 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1354 tsp, UIO_SYSSPACE, uap->flag)); 1355} 1356 1357int 1358freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1359{ 1360 struct timeval32 tv32; 1361 struct timeval delta, olddelta, *deltap; 1362 int error; 1363 1364 if (uap->delta) { 1365 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1366 if (error) 1367 return (error); 1368 CP(tv32, delta, tv_sec); 1369 CP(tv32, delta, tv_usec); 1370 deltap = δ 1371 } else 1372 deltap = NULL; 1373 error = kern_adjtime(td, deltap, &olddelta); 1374 if (uap->olddelta && error == 0) { 1375 CP(olddelta, tv32, tv_sec); 1376 CP(olddelta, tv32, tv_usec); 1377 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1378 } 1379 return (error); 1380} 1381 1382#ifdef COMPAT_FREEBSD4 1383int 1384freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1385{ 1386 struct statfs32 s32; 1387 struct statfs *sp; 1388 int error; 1389 1390 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1391 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1392 if (error == 0) { 1393 copy_statfs(sp, &s32); 1394 error = copyout(&s32, uap->buf, sizeof(s32)); 1395 } 1396 free(sp, M_STATFS); 1397 return (error); 1398} 1399#endif 1400 1401#ifdef COMPAT_FREEBSD4 1402int 1403freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1404{ 1405 struct statfs32 s32; 1406 struct statfs *sp; 1407 int error; 1408 1409 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1410 error = kern_fstatfs(td, uap->fd, sp); 1411 if (error == 0) { 1412 copy_statfs(sp, &s32); 1413 error = copyout(&s32, uap->buf, sizeof(s32)); 1414 } 1415 free(sp, M_STATFS); 1416 return (error); 1417} 1418#endif 1419 1420#ifdef COMPAT_FREEBSD4 1421int 1422freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1423{ 1424 struct statfs32 s32; 1425 struct statfs *sp; 1426 fhandle_t fh; 1427 int error; 1428 1429 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1430 return (error); 1431 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1432 error = kern_fhstatfs(td, fh, sp); 1433 if (error == 0) { 1434 copy_statfs(sp, &s32); 1435 error = copyout(&s32, uap->buf, sizeof(s32)); 1436 } 1437 free(sp, M_STATFS); 1438 return (error); 1439} 1440#endif 1441 1442int 1443freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1444{ 1445 struct pread_args ap; 1446 1447 ap.fd = uap->fd; 1448 ap.buf = uap->buf; 1449 ap.nbyte = uap->nbyte; 1450 ap.offset = PAIR32TO64(off_t,uap->offset); 1451 return (sys_pread(td, &ap)); 1452} 1453 1454int 1455freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1456{ 1457 struct pwrite_args ap; 1458 1459 ap.fd = uap->fd; 1460 ap.buf = uap->buf; 1461 ap.nbyte = uap->nbyte; 1462 ap.offset = PAIR32TO64(off_t,uap->offset); 1463 return (sys_pwrite(td, &ap)); 1464} 1465 1466#ifdef COMPAT_43 1467int 1468ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1469{ 1470 1471 return (kern_lseek(td, uap->fd, uap->offset, uap->whence)); 1472} 1473#endif 1474 1475int 1476freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1477{ 1478 int error; 1479 off_t pos; 1480 1481 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1482 uap->whence); 1483 /* Expand the quad return into two parts for eax and edx */ 1484 pos = td->td_uretoff.tdu_off; 1485 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1486 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1487 return error; 1488} 1489 1490int 1491freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1492{ 1493 struct truncate_args ap; 1494 1495 ap.path = uap->path; 1496 ap.length = PAIR32TO64(off_t,uap->length); 1497 return (sys_truncate(td, &ap)); 1498} 1499 1500int 1501freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1502{ 1503 1504 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1505} 1506 1507#ifdef COMPAT_43 1508int 1509ofreebsd32_getdirentries(struct thread *td, 1510 struct ofreebsd32_getdirentries_args *uap) 1511{ 1512 struct ogetdirentries_args ap; 1513 int error; 1514 long loff; 1515 int32_t loff_cut; 1516 1517 ap.fd = uap->fd; 1518 ap.buf = uap->buf; 1519 ap.count = uap->count; 1520 ap.basep = NULL; 1521 error = kern_ogetdirentries(td, &ap, &loff); 1522 if (error == 0) { 1523 loff_cut = loff; 1524 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1525 } 1526 return (error); 1527} 1528#endif 1529 1530int 1531freebsd32_getdirentries(struct thread *td, 1532 struct freebsd32_getdirentries_args *uap) 1533{ 1534 long base; 1535 int32_t base32; 1536 int error; 1537 1538 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1539 NULL, UIO_USERSPACE); 1540 if (error) 1541 return (error); 1542 if (uap->basep != NULL) { 1543 base32 = base; 1544 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1545 } 1546 return (error); 1547} 1548 1549#ifdef COMPAT_FREEBSD6 1550/* versions with the 'int pad' argument */ 1551int 1552freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1553{ 1554 struct pread_args ap; 1555 1556 ap.fd = uap->fd; 1557 ap.buf = uap->buf; 1558 ap.nbyte = uap->nbyte; 1559 ap.offset = PAIR32TO64(off_t,uap->offset); 1560 return (sys_pread(td, &ap)); 1561} 1562 1563int 1564freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1565{ 1566 struct pwrite_args ap; 1567 1568 ap.fd = uap->fd; 1569 ap.buf = uap->buf; 1570 ap.nbyte = uap->nbyte; 1571 ap.offset = PAIR32TO64(off_t,uap->offset); 1572 return (sys_pwrite(td, &ap)); 1573} 1574 1575int 1576freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1577{ 1578 int error; 1579 off_t pos; 1580 1581 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1582 uap->whence); 1583 /* Expand the quad return into two parts for eax and edx */ 1584 pos = *(off_t *)(td->td_retval); 1585 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1586 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1587 return error; 1588} 1589 1590int 1591freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1592{ 1593 struct truncate_args ap; 1594 1595 ap.path = uap->path; 1596 ap.length = PAIR32TO64(off_t,uap->length); 1597 return (sys_truncate(td, &ap)); 1598} 1599 1600int 1601freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1602{ 1603 1604 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1605} 1606#endif /* COMPAT_FREEBSD6 */ 1607 1608struct sf_hdtr32 { 1609 uint32_t headers; 1610 int hdr_cnt; 1611 uint32_t trailers; 1612 int trl_cnt; 1613}; 1614 1615static int 1616freebsd32_do_sendfile(struct thread *td, 1617 struct freebsd32_sendfile_args *uap, int compat) 1618{ 1619 struct sf_hdtr32 hdtr32; 1620 struct sf_hdtr hdtr; 1621 struct uio *hdr_uio, *trl_uio; 1622 struct file *fp; 1623 cap_rights_t rights; 1624 struct iovec32 *iov32; 1625 off_t offset, sbytes; 1626 int error; 1627 1628 offset = PAIR32TO64(off_t, uap->offset); 1629 if (offset < 0) 1630 return (EINVAL); 1631 1632 hdr_uio = trl_uio = NULL; 1633 1634 if (uap->hdtr != NULL) { 1635 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1636 if (error) 1637 goto out; 1638 PTRIN_CP(hdtr32, hdtr, headers); 1639 CP(hdtr32, hdtr, hdr_cnt); 1640 PTRIN_CP(hdtr32, hdtr, trailers); 1641 CP(hdtr32, hdtr, trl_cnt); 1642 1643 if (hdtr.headers != NULL) { 1644 iov32 = PTRIN(hdtr32.headers); 1645 error = freebsd32_copyinuio(iov32, 1646 hdtr32.hdr_cnt, &hdr_uio); 1647 if (error) 1648 goto out; 1649#ifdef COMPAT_FREEBSD4 1650 /* 1651 * In FreeBSD < 5.0 the nbytes to send also included 1652 * the header. If compat is specified subtract the 1653 * header size from nbytes. 1654 */ 1655 if (compat) { 1656 if (uap->nbytes > hdr_uio->uio_resid) 1657 uap->nbytes -= hdr_uio->uio_resid; 1658 else 1659 uap->nbytes = 0; 1660 } 1661#endif 1662 } 1663 if (hdtr.trailers != NULL) { 1664 iov32 = PTRIN(hdtr32.trailers); 1665 error = freebsd32_copyinuio(iov32, 1666 hdtr32.trl_cnt, &trl_uio); 1667 if (error) 1668 goto out; 1669 } 1670 } 1671 1672 AUDIT_ARG_FD(uap->fd); 1673 1674 if ((error = fget_read(td, uap->fd, 1675 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1676 goto out; 1677 1678 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1679 uap->nbytes, &sbytes, uap->flags, td); 1680 fdrop(fp, td); 1681 1682 if (uap->sbytes != NULL) 1683 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1684 1685out: 1686 if (hdr_uio) 1687 free(hdr_uio, M_IOV); 1688 if (trl_uio) 1689 free(trl_uio, M_IOV); 1690 return (error); 1691} 1692 1693#ifdef COMPAT_FREEBSD4 1694int 1695freebsd4_freebsd32_sendfile(struct thread *td, 1696 struct freebsd4_freebsd32_sendfile_args *uap) 1697{ 1698 return (freebsd32_do_sendfile(td, 1699 (struct freebsd32_sendfile_args *)uap, 1)); 1700} 1701#endif 1702 1703int 1704freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1705{ 1706 1707 return (freebsd32_do_sendfile(td, uap, 0)); 1708} 1709 1710static void 1711copy_stat(struct stat *in, struct stat32 *out) 1712{ 1713 1714 CP(*in, *out, st_dev); 1715 CP(*in, *out, st_ino); 1716 CP(*in, *out, st_mode); 1717 CP(*in, *out, st_nlink); 1718 CP(*in, *out, st_uid); 1719 CP(*in, *out, st_gid); 1720 CP(*in, *out, st_rdev); 1721 TS_CP(*in, *out, st_atim); 1722 TS_CP(*in, *out, st_mtim); 1723 TS_CP(*in, *out, st_ctim); 1724 CP(*in, *out, st_size); 1725 CP(*in, *out, st_blocks); 1726 CP(*in, *out, st_blksize); 1727 CP(*in, *out, st_flags); 1728 CP(*in, *out, st_gen); 1729 TS_CP(*in, *out, st_birthtim); 1730} 1731 1732#ifdef COMPAT_43 1733static void 1734copy_ostat(struct stat *in, struct ostat32 *out) 1735{ 1736 1737 CP(*in, *out, st_dev); 1738 CP(*in, *out, st_ino); 1739 CP(*in, *out, st_mode); 1740 CP(*in, *out, st_nlink); 1741 CP(*in, *out, st_uid); 1742 CP(*in, *out, st_gid); 1743 CP(*in, *out, st_rdev); 1744 CP(*in, *out, st_size); 1745 TS_CP(*in, *out, st_atim); 1746 TS_CP(*in, *out, st_mtim); 1747 TS_CP(*in, *out, st_ctim); 1748 CP(*in, *out, st_blksize); 1749 CP(*in, *out, st_blocks); 1750 CP(*in, *out, st_flags); 1751 CP(*in, *out, st_gen); 1752} 1753#endif 1754 1755int 1756freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1757{ 1758 struct stat sb; 1759 struct stat32 sb32; 1760 int error; 1761 1762 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1763 &sb, NULL); 1764 if (error) 1765 return (error); 1766 copy_stat(&sb, &sb32); 1767 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1768 return (error); 1769} 1770 1771#ifdef COMPAT_43 1772int 1773ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1774{ 1775 struct stat sb; 1776 struct ostat32 sb32; 1777 int error; 1778 1779 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1780 &sb, NULL); 1781 if (error) 1782 return (error); 1783 copy_ostat(&sb, &sb32); 1784 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1785 return (error); 1786} 1787#endif 1788 1789int 1790freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1791{ 1792 struct stat ub; 1793 struct stat32 ub32; 1794 int error; 1795 1796 error = kern_fstat(td, uap->fd, &ub); 1797 if (error) 1798 return (error); 1799 copy_stat(&ub, &ub32); 1800 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1801 return (error); 1802} 1803 1804#ifdef COMPAT_43 1805int 1806ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1807{ 1808 struct stat ub; 1809 struct ostat32 ub32; 1810 int error; 1811 1812 error = kern_fstat(td, uap->fd, &ub); 1813 if (error) 1814 return (error); 1815 copy_ostat(&ub, &ub32); 1816 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1817 return (error); 1818} 1819#endif 1820 1821int 1822freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1823{ 1824 struct stat ub; 1825 struct stat32 ub32; 1826 int error; 1827 1828 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 1829 &ub, NULL); 1830 if (error) 1831 return (error); 1832 copy_stat(&ub, &ub32); 1833 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1834 return (error); 1835} 1836 1837int 1838freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1839{ 1840 struct stat sb; 1841 struct stat32 sb32; 1842 int error; 1843 1844 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1845 UIO_USERSPACE, &sb, NULL); 1846 if (error) 1847 return (error); 1848 copy_stat(&sb, &sb32); 1849 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1850 return (error); 1851} 1852 1853#ifdef COMPAT_43 1854int 1855ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1856{ 1857 struct stat sb; 1858 struct ostat32 sb32; 1859 int error; 1860 1861 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1862 UIO_USERSPACE, &sb, NULL); 1863 if (error) 1864 return (error); 1865 copy_ostat(&sb, &sb32); 1866 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1867 return (error); 1868} 1869#endif 1870 1871int 1872freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1873{ 1874 int error, name[CTL_MAXNAME]; 1875 size_t j, oldlen; 1876 uint32_t tmp; 1877 1878 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1879 return (EINVAL); 1880 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1881 if (error) 1882 return (error); 1883 if (uap->oldlenp) { 1884 error = fueword32(uap->oldlenp, &tmp); 1885 oldlen = tmp; 1886 } else { 1887 oldlen = 0; 1888 } 1889 if (error != 0) 1890 return (EFAULT); 1891 error = userland_sysctl(td, name, uap->namelen, 1892 uap->old, &oldlen, 1, 1893 uap->new, uap->newlen, &j, SCTL_MASK32); 1894 if (error && error != ENOMEM) 1895 return (error); 1896 if (uap->oldlenp) 1897 suword32(uap->oldlenp, j); 1898 return (0); 1899} 1900 1901int 1902freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1903{ 1904 uint32_t version; 1905 int error; 1906 struct jail j; 1907 1908 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1909 if (error) 1910 return (error); 1911 1912 switch (version) { 1913 case 0: 1914 { 1915 /* FreeBSD single IPv4 jails. */ 1916 struct jail32_v0 j32_v0; 1917 1918 bzero(&j, sizeof(struct jail)); 1919 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1920 if (error) 1921 return (error); 1922 CP(j32_v0, j, version); 1923 PTRIN_CP(j32_v0, j, path); 1924 PTRIN_CP(j32_v0, j, hostname); 1925 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1926 break; 1927 } 1928 1929 case 1: 1930 /* 1931 * Version 1 was used by multi-IPv4 jail implementations 1932 * that never made it into the official kernel. 1933 */ 1934 return (EINVAL); 1935 1936 case 2: /* JAIL_API_VERSION */ 1937 { 1938 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1939 struct jail32 j32; 1940 1941 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1942 if (error) 1943 return (error); 1944 CP(j32, j, version); 1945 PTRIN_CP(j32, j, path); 1946 PTRIN_CP(j32, j, hostname); 1947 PTRIN_CP(j32, j, jailname); 1948 CP(j32, j, ip4s); 1949 CP(j32, j, ip6s); 1950 PTRIN_CP(j32, j, ip4); 1951 PTRIN_CP(j32, j, ip6); 1952 break; 1953 } 1954 1955 default: 1956 /* Sci-Fi jails are not supported, sorry. */ 1957 return (EINVAL); 1958 } 1959 return (kern_jail(td, &j)); 1960} 1961 1962int 1963freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1964{ 1965 struct uio *auio; 1966 int error; 1967 1968 /* Check that we have an even number of iovecs. */ 1969 if (uap->iovcnt & 1) 1970 return (EINVAL); 1971 1972 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1973 if (error) 1974 return (error); 1975 error = kern_jail_set(td, auio, uap->flags); 1976 free(auio, M_IOV); 1977 return (error); 1978} 1979 1980int 1981freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1982{ 1983 struct iovec32 iov32; 1984 struct uio *auio; 1985 int error, i; 1986 1987 /* Check that we have an even number of iovecs. */ 1988 if (uap->iovcnt & 1) 1989 return (EINVAL); 1990 1991 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1992 if (error) 1993 return (error); 1994 error = kern_jail_get(td, auio, uap->flags); 1995 if (error == 0) 1996 for (i = 0; i < uap->iovcnt; i++) { 1997 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1998 CP(auio->uio_iov[i], iov32, iov_len); 1999 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2000 if (error != 0) 2001 break; 2002 } 2003 free(auio, M_IOV); 2004 return (error); 2005} 2006 2007int 2008freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2009{ 2010 struct sigaction32 s32; 2011 struct sigaction sa, osa, *sap; 2012 int error; 2013 2014 if (uap->act) { 2015 error = copyin(uap->act, &s32, sizeof(s32)); 2016 if (error) 2017 return (error); 2018 sa.sa_handler = PTRIN(s32.sa_u); 2019 CP(s32, sa, sa_flags); 2020 CP(s32, sa, sa_mask); 2021 sap = &sa; 2022 } else 2023 sap = NULL; 2024 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2025 if (error == 0 && uap->oact != NULL) { 2026 s32.sa_u = PTROUT(osa.sa_handler); 2027 CP(osa, s32, sa_flags); 2028 CP(osa, s32, sa_mask); 2029 error = copyout(&s32, uap->oact, sizeof(s32)); 2030 } 2031 return (error); 2032} 2033 2034#ifdef COMPAT_FREEBSD4 2035int 2036freebsd4_freebsd32_sigaction(struct thread *td, 2037 struct freebsd4_freebsd32_sigaction_args *uap) 2038{ 2039 struct sigaction32 s32; 2040 struct sigaction sa, osa, *sap; 2041 int error; 2042 2043 if (uap->act) { 2044 error = copyin(uap->act, &s32, sizeof(s32)); 2045 if (error) 2046 return (error); 2047 sa.sa_handler = PTRIN(s32.sa_u); 2048 CP(s32, sa, sa_flags); 2049 CP(s32, sa, sa_mask); 2050 sap = &sa; 2051 } else 2052 sap = NULL; 2053 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2054 if (error == 0 && uap->oact != NULL) { 2055 s32.sa_u = PTROUT(osa.sa_handler); 2056 CP(osa, s32, sa_flags); 2057 CP(osa, s32, sa_mask); 2058 error = copyout(&s32, uap->oact, sizeof(s32)); 2059 } 2060 return (error); 2061} 2062#endif 2063 2064#ifdef COMPAT_43 2065struct osigaction32 { 2066 u_int32_t sa_u; 2067 osigset_t sa_mask; 2068 int sa_flags; 2069}; 2070 2071#define ONSIG 32 2072 2073int 2074ofreebsd32_sigaction(struct thread *td, 2075 struct ofreebsd32_sigaction_args *uap) 2076{ 2077 struct osigaction32 s32; 2078 struct sigaction sa, osa, *sap; 2079 int error; 2080 2081 if (uap->signum <= 0 || uap->signum >= ONSIG) 2082 return (EINVAL); 2083 2084 if (uap->nsa) { 2085 error = copyin(uap->nsa, &s32, sizeof(s32)); 2086 if (error) 2087 return (error); 2088 sa.sa_handler = PTRIN(s32.sa_u); 2089 CP(s32, sa, sa_flags); 2090 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2091 sap = &sa; 2092 } else 2093 sap = NULL; 2094 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2095 if (error == 0 && uap->osa != NULL) { 2096 s32.sa_u = PTROUT(osa.sa_handler); 2097 CP(osa, s32, sa_flags); 2098 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2099 error = copyout(&s32, uap->osa, sizeof(s32)); 2100 } 2101 return (error); 2102} 2103 2104int 2105ofreebsd32_sigprocmask(struct thread *td, 2106 struct ofreebsd32_sigprocmask_args *uap) 2107{ 2108 sigset_t set, oset; 2109 int error; 2110 2111 OSIG2SIG(uap->mask, set); 2112 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2113 SIG2OSIG(oset, td->td_retval[0]); 2114 return (error); 2115} 2116 2117int 2118ofreebsd32_sigpending(struct thread *td, 2119 struct ofreebsd32_sigpending_args *uap) 2120{ 2121 struct proc *p = td->td_proc; 2122 sigset_t siglist; 2123 2124 PROC_LOCK(p); 2125 siglist = p->p_siglist; 2126 SIGSETOR(siglist, td->td_siglist); 2127 PROC_UNLOCK(p); 2128 SIG2OSIG(siglist, td->td_retval[0]); 2129 return (0); 2130} 2131 2132struct sigvec32 { 2133 u_int32_t sv_handler; 2134 int sv_mask; 2135 int sv_flags; 2136}; 2137 2138int 2139ofreebsd32_sigvec(struct thread *td, 2140 struct ofreebsd32_sigvec_args *uap) 2141{ 2142 struct sigvec32 vec; 2143 struct sigaction sa, osa, *sap; 2144 int error; 2145 2146 if (uap->signum <= 0 || uap->signum >= ONSIG) 2147 return (EINVAL); 2148 2149 if (uap->nsv) { 2150 error = copyin(uap->nsv, &vec, sizeof(vec)); 2151 if (error) 2152 return (error); 2153 sa.sa_handler = PTRIN(vec.sv_handler); 2154 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2155 sa.sa_flags = vec.sv_flags; 2156 sa.sa_flags ^= SA_RESTART; 2157 sap = &sa; 2158 } else 2159 sap = NULL; 2160 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2161 if (error == 0 && uap->osv != NULL) { 2162 vec.sv_handler = PTROUT(osa.sa_handler); 2163 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2164 vec.sv_flags = osa.sa_flags; 2165 vec.sv_flags &= ~SA_NOCLDWAIT; 2166 vec.sv_flags ^= SA_RESTART; 2167 error = copyout(&vec, uap->osv, sizeof(vec)); 2168 } 2169 return (error); 2170} 2171 2172int 2173ofreebsd32_sigblock(struct thread *td, 2174 struct ofreebsd32_sigblock_args *uap) 2175{ 2176 sigset_t set, oset; 2177 2178 OSIG2SIG(uap->mask, set); 2179 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2180 SIG2OSIG(oset, td->td_retval[0]); 2181 return (0); 2182} 2183 2184int 2185ofreebsd32_sigsetmask(struct thread *td, 2186 struct ofreebsd32_sigsetmask_args *uap) 2187{ 2188 sigset_t set, oset; 2189 2190 OSIG2SIG(uap->mask, set); 2191 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2192 SIG2OSIG(oset, td->td_retval[0]); 2193 return (0); 2194} 2195 2196int 2197ofreebsd32_sigsuspend(struct thread *td, 2198 struct ofreebsd32_sigsuspend_args *uap) 2199{ 2200 sigset_t mask; 2201 2202 OSIG2SIG(uap->mask, mask); 2203 return (kern_sigsuspend(td, mask)); 2204} 2205 2206struct sigstack32 { 2207 u_int32_t ss_sp; 2208 int ss_onstack; 2209}; 2210 2211int 2212ofreebsd32_sigstack(struct thread *td, 2213 struct ofreebsd32_sigstack_args *uap) 2214{ 2215 struct sigstack32 s32; 2216 struct sigstack nss, oss; 2217 int error = 0, unss; 2218 2219 if (uap->nss != NULL) { 2220 error = copyin(uap->nss, &s32, sizeof(s32)); 2221 if (error) 2222 return (error); 2223 nss.ss_sp = PTRIN(s32.ss_sp); 2224 CP(s32, nss, ss_onstack); 2225 unss = 1; 2226 } else { 2227 unss = 0; 2228 } 2229 oss.ss_sp = td->td_sigstk.ss_sp; 2230 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2231 if (unss) { 2232 td->td_sigstk.ss_sp = nss.ss_sp; 2233 td->td_sigstk.ss_size = 0; 2234 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2235 td->td_pflags |= TDP_ALTSTACK; 2236 } 2237 if (uap->oss != NULL) { 2238 s32.ss_sp = PTROUT(oss.ss_sp); 2239 CP(oss, s32, ss_onstack); 2240 error = copyout(&s32, uap->oss, sizeof(s32)); 2241 } 2242 return (error); 2243} 2244#endif 2245 2246int 2247freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2248{ 2249 struct timespec32 rmt32, rqt32; 2250 struct timespec rmt, rqt; 2251 int error; 2252 2253 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2254 if (error) 2255 return (error); 2256 2257 CP(rqt32, rqt, tv_sec); 2258 CP(rqt32, rqt, tv_nsec); 2259 2260 if (uap->rmtp && 2261 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2262 return (EFAULT); 2263 error = kern_nanosleep(td, &rqt, &rmt); 2264 if (error && uap->rmtp) { 2265 int error2; 2266 2267 CP(rmt, rmt32, tv_sec); 2268 CP(rmt, rmt32, tv_nsec); 2269 2270 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2271 if (error2) 2272 error = error2; 2273 } 2274 return (error); 2275} 2276 2277int 2278freebsd32_clock_gettime(struct thread *td, 2279 struct freebsd32_clock_gettime_args *uap) 2280{ 2281 struct timespec ats; 2282 struct timespec32 ats32; 2283 int error; 2284 2285 error = kern_clock_gettime(td, uap->clock_id, &ats); 2286 if (error == 0) { 2287 CP(ats, ats32, tv_sec); 2288 CP(ats, ats32, tv_nsec); 2289 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2290 } 2291 return (error); 2292} 2293 2294int 2295freebsd32_clock_settime(struct thread *td, 2296 struct freebsd32_clock_settime_args *uap) 2297{ 2298 struct timespec ats; 2299 struct timespec32 ats32; 2300 int error; 2301 2302 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2303 if (error) 2304 return (error); 2305 CP(ats32, ats, tv_sec); 2306 CP(ats32, ats, tv_nsec); 2307 2308 return (kern_clock_settime(td, uap->clock_id, &ats)); 2309} 2310 2311int 2312freebsd32_clock_getres(struct thread *td, 2313 struct freebsd32_clock_getres_args *uap) 2314{ 2315 struct timespec ts; 2316 struct timespec32 ts32; 2317 int error; 2318 2319 if (uap->tp == NULL) 2320 return (0); 2321 error = kern_clock_getres(td, uap->clock_id, &ts); 2322 if (error == 0) { 2323 CP(ts, ts32, tv_sec); 2324 CP(ts, ts32, tv_nsec); 2325 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2326 } 2327 return (error); 2328} 2329 2330int freebsd32_ktimer_create(struct thread *td, 2331 struct freebsd32_ktimer_create_args *uap) 2332{ 2333 struct sigevent32 ev32; 2334 struct sigevent ev, *evp; 2335 int error, id; 2336 2337 if (uap->evp == NULL) { 2338 evp = NULL; 2339 } else { 2340 evp = &ev; 2341 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2342 if (error != 0) 2343 return (error); 2344 error = convert_sigevent32(&ev32, &ev); 2345 if (error != 0) 2346 return (error); 2347 } 2348 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2349 if (error == 0) { 2350 error = copyout(&id, uap->timerid, sizeof(int)); 2351 if (error != 0) 2352 kern_ktimer_delete(td, id); 2353 } 2354 return (error); 2355} 2356 2357int 2358freebsd32_ktimer_settime(struct thread *td, 2359 struct freebsd32_ktimer_settime_args *uap) 2360{ 2361 struct itimerspec32 val32, oval32; 2362 struct itimerspec val, oval, *ovalp; 2363 int error; 2364 2365 error = copyin(uap->value, &val32, sizeof(val32)); 2366 if (error != 0) 2367 return (error); 2368 ITS_CP(val32, val); 2369 ovalp = uap->ovalue != NULL ? &oval : NULL; 2370 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2371 if (error == 0 && uap->ovalue != NULL) { 2372 ITS_CP(oval, oval32); 2373 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2374 } 2375 return (error); 2376} 2377 2378int 2379freebsd32_ktimer_gettime(struct thread *td, 2380 struct freebsd32_ktimer_gettime_args *uap) 2381{ 2382 struct itimerspec32 val32; 2383 struct itimerspec val; 2384 int error; 2385 2386 error = kern_ktimer_gettime(td, uap->timerid, &val); 2387 if (error == 0) { 2388 ITS_CP(val, val32); 2389 error = copyout(&val32, uap->value, sizeof(val32)); 2390 } 2391 return (error); 2392} 2393 2394int 2395freebsd32_clock_getcpuclockid2(struct thread *td, 2396 struct freebsd32_clock_getcpuclockid2_args *uap) 2397{ 2398 clockid_t clk_id; 2399 int error; 2400 2401 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2402 uap->which, &clk_id); 2403 if (error == 0) 2404 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2405 return (error); 2406} 2407 2408int 2409freebsd32_thr_new(struct thread *td, 2410 struct freebsd32_thr_new_args *uap) 2411{ 2412 struct thr_param32 param32; 2413 struct thr_param param; 2414 int error; 2415 2416 if (uap->param_size < 0 || 2417 uap->param_size > sizeof(struct thr_param32)) 2418 return (EINVAL); 2419 bzero(¶m, sizeof(struct thr_param)); 2420 bzero(¶m32, sizeof(struct thr_param32)); 2421 error = copyin(uap->param, ¶m32, uap->param_size); 2422 if (error != 0) 2423 return (error); 2424 param.start_func = PTRIN(param32.start_func); 2425 param.arg = PTRIN(param32.arg); 2426 param.stack_base = PTRIN(param32.stack_base); 2427 param.stack_size = param32.stack_size; 2428 param.tls_base = PTRIN(param32.tls_base); 2429 param.tls_size = param32.tls_size; 2430 param.child_tid = PTRIN(param32.child_tid); 2431 param.parent_tid = PTRIN(param32.parent_tid); 2432 param.flags = param32.flags; 2433 param.rtp = PTRIN(param32.rtp); 2434 param.spare[0] = PTRIN(param32.spare[0]); 2435 param.spare[1] = PTRIN(param32.spare[1]); 2436 param.spare[2] = PTRIN(param32.spare[2]); 2437 2438 return (kern_thr_new(td, ¶m)); 2439} 2440 2441int 2442freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2443{ 2444 struct timespec32 ts32; 2445 struct timespec ts, *tsp; 2446 int error; 2447 2448 error = 0; 2449 tsp = NULL; 2450 if (uap->timeout != NULL) { 2451 error = copyin((const void *)uap->timeout, (void *)&ts32, 2452 sizeof(struct timespec32)); 2453 if (error != 0) 2454 return (error); 2455 ts.tv_sec = ts32.tv_sec; 2456 ts.tv_nsec = ts32.tv_nsec; 2457 tsp = &ts; 2458 } 2459 return (kern_thr_suspend(td, tsp)); 2460} 2461 2462void 2463siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2464{ 2465 bzero(dst, sizeof(*dst)); 2466 dst->si_signo = src->si_signo; 2467 dst->si_errno = src->si_errno; 2468 dst->si_code = src->si_code; 2469 dst->si_pid = src->si_pid; 2470 dst->si_uid = src->si_uid; 2471 dst->si_status = src->si_status; 2472 dst->si_addr = (uintptr_t)src->si_addr; 2473 dst->si_value.sival_int = src->si_value.sival_int; 2474 dst->si_timerid = src->si_timerid; 2475 dst->si_overrun = src->si_overrun; 2476} 2477 2478int 2479freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2480{ 2481 struct timespec32 ts32; 2482 struct timespec ts; 2483 struct timespec *timeout; 2484 sigset_t set; 2485 ksiginfo_t ksi; 2486 struct siginfo32 si32; 2487 int error; 2488 2489 if (uap->timeout) { 2490 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2491 if (error) 2492 return (error); 2493 ts.tv_sec = ts32.tv_sec; 2494 ts.tv_nsec = ts32.tv_nsec; 2495 timeout = &ts; 2496 } else 2497 timeout = NULL; 2498 2499 error = copyin(uap->set, &set, sizeof(set)); 2500 if (error) 2501 return (error); 2502 2503 error = kern_sigtimedwait(td, set, &ksi, timeout); 2504 if (error) 2505 return (error); 2506 2507 if (uap->info) { 2508 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2509 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2510 } 2511 2512 if (error == 0) 2513 td->td_retval[0] = ksi.ksi_signo; 2514 return (error); 2515} 2516 2517/* 2518 * MPSAFE 2519 */ 2520int 2521freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2522{ 2523 ksiginfo_t ksi; 2524 struct siginfo32 si32; 2525 sigset_t set; 2526 int error; 2527 2528 error = copyin(uap->set, &set, sizeof(set)); 2529 if (error) 2530 return (error); 2531 2532 error = kern_sigtimedwait(td, set, &ksi, NULL); 2533 if (error) 2534 return (error); 2535 2536 if (uap->info) { 2537 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2538 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2539 } 2540 if (error == 0) 2541 td->td_retval[0] = ksi.ksi_signo; 2542 return (error); 2543} 2544 2545int 2546freebsd32_cpuset_setid(struct thread *td, 2547 struct freebsd32_cpuset_setid_args *uap) 2548{ 2549 struct cpuset_setid_args ap; 2550 2551 ap.which = uap->which; 2552 ap.id = PAIR32TO64(id_t,uap->id); 2553 ap.setid = uap->setid; 2554 2555 return (sys_cpuset_setid(td, &ap)); 2556} 2557 2558int 2559freebsd32_cpuset_getid(struct thread *td, 2560 struct freebsd32_cpuset_getid_args *uap) 2561{ 2562 struct cpuset_getid_args ap; 2563 2564 ap.level = uap->level; 2565 ap.which = uap->which; 2566 ap.id = PAIR32TO64(id_t,uap->id); 2567 ap.setid = uap->setid; 2568 2569 return (sys_cpuset_getid(td, &ap)); 2570} 2571 2572int 2573freebsd32_cpuset_getaffinity(struct thread *td, 2574 struct freebsd32_cpuset_getaffinity_args *uap) 2575{ 2576 struct cpuset_getaffinity_args ap; 2577 2578 ap.level = uap->level; 2579 ap.which = uap->which; 2580 ap.id = PAIR32TO64(id_t,uap->id); 2581 ap.cpusetsize = uap->cpusetsize; 2582 ap.mask = uap->mask; 2583 2584 return (sys_cpuset_getaffinity(td, &ap)); 2585} 2586 2587int 2588freebsd32_cpuset_setaffinity(struct thread *td, 2589 struct freebsd32_cpuset_setaffinity_args *uap) 2590{ 2591 struct cpuset_setaffinity_args ap; 2592 2593 ap.level = uap->level; 2594 ap.which = uap->which; 2595 ap.id = PAIR32TO64(id_t,uap->id); 2596 ap.cpusetsize = uap->cpusetsize; 2597 ap.mask = uap->mask; 2598 2599 return (sys_cpuset_setaffinity(td, &ap)); 2600} 2601 2602int 2603freebsd32_nmount(struct thread *td, 2604 struct freebsd32_nmount_args /* { 2605 struct iovec *iovp; 2606 unsigned int iovcnt; 2607 int flags; 2608 } */ *uap) 2609{ 2610 struct uio *auio; 2611 uint64_t flags; 2612 int error; 2613 2614 /* 2615 * Mount flags are now 64-bits. On 32-bit archtectures only 2616 * 32-bits are passed in, but from here on everything handles 2617 * 64-bit flags correctly. 2618 */ 2619 flags = uap->flags; 2620 2621 AUDIT_ARG_FFLAGS(flags); 2622 2623 /* 2624 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2625 * userspace to set this flag, but we must filter it out if we want 2626 * MNT_UPDATE on the root file system to work. 2627 * MNT_ROOTFS should only be set by the kernel when mounting its 2628 * root file system. 2629 */ 2630 flags &= ~MNT_ROOTFS; 2631 2632 /* 2633 * check that we have an even number of iovec's 2634 * and that we have at least two options. 2635 */ 2636 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2637 return (EINVAL); 2638 2639 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2640 if (error) 2641 return (error); 2642 error = vfs_donmount(td, flags, auio); 2643 2644 free(auio, M_IOV); 2645 return error; 2646} 2647 2648#if 0 2649int 2650freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2651{ 2652 struct yyy32 *p32, s32; 2653 struct yyy *p = NULL, s; 2654 struct xxx_arg ap; 2655 int error; 2656 2657 if (uap->zzz) { 2658 error = copyin(uap->zzz, &s32, sizeof(s32)); 2659 if (error) 2660 return (error); 2661 /* translate in */ 2662 p = &s; 2663 } 2664 error = kern_xxx(td, p); 2665 if (error) 2666 return (error); 2667 if (uap->zzz) { 2668 /* translate out */ 2669 error = copyout(&s32, p32, sizeof(s32)); 2670 } 2671 return (error); 2672} 2673#endif 2674 2675int 2676syscall32_register(int *offset, struct sysent *new_sysent, 2677 struct sysent *old_sysent, int flags) 2678{ 2679 2680 if ((flags & ~SY_THR_STATIC) != 0) 2681 return (EINVAL); 2682 2683 if (*offset == NO_SYSCALL) { 2684 int i; 2685 2686 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2687 if (freebsd32_sysent[i].sy_call == 2688 (sy_call_t *)lkmnosys) 2689 break; 2690 if (i == SYS_MAXSYSCALL) 2691 return (ENFILE); 2692 *offset = i; 2693 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2694 return (EINVAL); 2695 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2696 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2697 return (EEXIST); 2698 2699 *old_sysent = freebsd32_sysent[*offset]; 2700 freebsd32_sysent[*offset] = *new_sysent; 2701 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags); 2702 return (0); 2703} 2704 2705int 2706syscall32_deregister(int *offset, struct sysent *old_sysent) 2707{ 2708 2709 if (*offset == 0) 2710 return (0); 2711 2712 freebsd32_sysent[*offset] = *old_sysent; 2713 return (0); 2714} 2715 2716int 2717syscall32_module_handler(struct module *mod, int what, void *arg) 2718{ 2719 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2720 modspecific_t ms; 2721 int error; 2722 2723 switch (what) { 2724 case MOD_LOAD: 2725 error = syscall32_register(data->offset, data->new_sysent, 2726 &data->old_sysent, SY_THR_STATIC_KLD); 2727 if (error) { 2728 /* Leave a mark so we know to safely unload below. */ 2729 data->offset = NULL; 2730 return error; 2731 } 2732 ms.intval = *data->offset; 2733 MOD_XLOCK; 2734 module_setspecific(mod, &ms); 2735 MOD_XUNLOCK; 2736 if (data->chainevh) 2737 error = data->chainevh(mod, what, data->chainarg); 2738 return (error); 2739 case MOD_UNLOAD: 2740 /* 2741 * MOD_LOAD failed, so just return without calling the 2742 * chained handler since we didn't pass along the MOD_LOAD 2743 * event. 2744 */ 2745 if (data->offset == NULL) 2746 return (0); 2747 if (data->chainevh) { 2748 error = data->chainevh(mod, what, data->chainarg); 2749 if (error) 2750 return (error); 2751 } 2752 error = syscall32_deregister(data->offset, &data->old_sysent); 2753 return (error); 2754 default: 2755 error = EOPNOTSUPP; 2756 if (data->chainevh) 2757 error = data->chainevh(mod, what, data->chainarg); 2758 return (error); 2759 } 2760} 2761 2762int 2763syscall32_helper_register(struct syscall_helper_data *sd, int flags) 2764{ 2765 struct syscall_helper_data *sd1; 2766 int error; 2767 2768 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2769 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2770 &sd1->old_sysent, flags); 2771 if (error != 0) { 2772 syscall32_helper_unregister(sd); 2773 return (error); 2774 } 2775 sd1->registered = 1; 2776 } 2777 return (0); 2778} 2779 2780int 2781syscall32_helper_unregister(struct syscall_helper_data *sd) 2782{ 2783 struct syscall_helper_data *sd1; 2784 2785 for (sd1 = sd; sd1->registered != 0; sd1++) { 2786 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2787 sd1->registered = 0; 2788 } 2789 return (0); 2790} 2791 2792register_t * 2793freebsd32_copyout_strings(struct image_params *imgp) 2794{ 2795 int argc, envc, i; 2796 u_int32_t *vectp; 2797 char *stringp; 2798 uintptr_t destp; 2799 u_int32_t *stack_base; 2800 struct freebsd32_ps_strings *arginfo; 2801 char canary[sizeof(long) * 8]; 2802 int32_t pagesizes32[MAXPAGESIZES]; 2803 size_t execpath_len; 2804 int szsigcode; 2805 2806 /* 2807 * Calculate string base and vector table pointers. 2808 * Also deal with signal trampoline code for this exec type. 2809 */ 2810 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2811 execpath_len = strlen(imgp->execpath) + 1; 2812 else 2813 execpath_len = 0; 2814 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2815 sv_psstrings; 2816 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2817 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2818 else 2819 szsigcode = 0; 2820 destp = (uintptr_t)arginfo; 2821 2822 /* 2823 * install sigcode 2824 */ 2825 if (szsigcode != 0) { 2826 destp -= szsigcode; 2827 destp = rounddown2(destp, sizeof(uint32_t)); 2828 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2829 szsigcode); 2830 } 2831 2832 /* 2833 * Copy the image path for the rtld. 2834 */ 2835 if (execpath_len != 0) { 2836 destp -= execpath_len; 2837 imgp->execpathp = destp; 2838 copyout(imgp->execpath, (void *)destp, execpath_len); 2839 } 2840 2841 /* 2842 * Prepare the canary for SSP. 2843 */ 2844 arc4rand(canary, sizeof(canary), 0); 2845 destp -= sizeof(canary); 2846 imgp->canary = destp; 2847 copyout(canary, (void *)destp, sizeof(canary)); 2848 imgp->canarylen = sizeof(canary); 2849 2850 /* 2851 * Prepare the pagesizes array. 2852 */ 2853 for (i = 0; i < MAXPAGESIZES; i++) 2854 pagesizes32[i] = (uint32_t)pagesizes[i]; 2855 destp -= sizeof(pagesizes32); 2856 destp = rounddown2(destp, sizeof(uint32_t)); 2857 imgp->pagesizes = destp; 2858 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2859 imgp->pagesizeslen = sizeof(pagesizes32); 2860 2861 destp -= ARG_MAX - imgp->args->stringspace; 2862 destp = rounddown2(destp, sizeof(uint32_t)); 2863 2864 /* 2865 * If we have a valid auxargs ptr, prepare some room 2866 * on the stack. 2867 */ 2868 if (imgp->auxargs) { 2869 /* 2870 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2871 * lower compatibility. 2872 */ 2873 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2874 : (AT_COUNT * 2); 2875 /* 2876 * The '+ 2' is for the null pointers at the end of each of 2877 * the arg and env vector sets,and imgp->auxarg_size is room 2878 * for argument of Runtime loader. 2879 */ 2880 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2881 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2882 sizeof(u_int32_t)); 2883 } else { 2884 /* 2885 * The '+ 2' is for the null pointers at the end of each of 2886 * the arg and env vector sets 2887 */ 2888 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2889 imgp->args->envc + 2) * sizeof(u_int32_t)); 2890 } 2891 2892 /* 2893 * vectp also becomes our initial stack base 2894 */ 2895 stack_base = vectp; 2896 2897 stringp = imgp->args->begin_argv; 2898 argc = imgp->args->argc; 2899 envc = imgp->args->envc; 2900 /* 2901 * Copy out strings - arguments and environment. 2902 */ 2903 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2904 2905 /* 2906 * Fill in "ps_strings" struct for ps, w, etc. 2907 */ 2908 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2909 suword32(&arginfo->ps_nargvstr, argc); 2910 2911 /* 2912 * Fill in argument portion of vector table. 2913 */ 2914 for (; argc > 0; --argc) { 2915 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2916 while (*stringp++ != 0) 2917 destp++; 2918 destp++; 2919 } 2920 2921 /* a null vector table pointer separates the argp's from the envp's */ 2922 suword32(vectp++, 0); 2923 2924 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2925 suword32(&arginfo->ps_nenvstr, envc); 2926 2927 /* 2928 * Fill in environment portion of vector table. 2929 */ 2930 for (; envc > 0; --envc) { 2931 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2932 while (*stringp++ != 0) 2933 destp++; 2934 destp++; 2935 } 2936 2937 /* end of vector table is a null pointer */ 2938 suword32(vectp, 0); 2939 2940 return ((register_t *)stack_base); 2941} 2942 2943int 2944freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2945{ 2946 struct kld_file_stat stat; 2947 struct kld32_file_stat stat32; 2948 int error, version; 2949 2950 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2951 != 0) 2952 return (error); 2953 if (version != sizeof(struct kld32_file_stat_1) && 2954 version != sizeof(struct kld32_file_stat)) 2955 return (EINVAL); 2956 2957 error = kern_kldstat(td, uap->fileid, &stat); 2958 if (error != 0) 2959 return (error); 2960 2961 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2962 CP(stat, stat32, refs); 2963 CP(stat, stat32, id); 2964 PTROUT_CP(stat, stat32, address); 2965 CP(stat, stat32, size); 2966 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2967 return (copyout(&stat32, uap->stat, version)); 2968} 2969 2970int 2971freebsd32_posix_fallocate(struct thread *td, 2972 struct freebsd32_posix_fallocate_args *uap) 2973{ 2974 int error; 2975 2976 error = kern_posix_fallocate(td, uap->fd, 2977 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 2978 return (kern_posix_error(td, error)); 2979} 2980 2981int 2982freebsd32_posix_fadvise(struct thread *td, 2983 struct freebsd32_posix_fadvise_args *uap) 2984{ 2985 int error; 2986 2987 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2988 PAIR32TO64(off_t, uap->len), uap->advice); 2989 return (kern_posix_error(td, error)); 2990} 2991 2992int 2993convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2994{ 2995 2996 CP(*sig32, *sig, sigev_notify); 2997 switch (sig->sigev_notify) { 2998 case SIGEV_NONE: 2999 break; 3000 case SIGEV_THREAD_ID: 3001 CP(*sig32, *sig, sigev_notify_thread_id); 3002 /* FALLTHROUGH */ 3003 case SIGEV_SIGNAL: 3004 CP(*sig32, *sig, sigev_signo); 3005 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3006 break; 3007 case SIGEV_KEVENT: 3008 CP(*sig32, *sig, sigev_notify_kqueue); 3009 CP(*sig32, *sig, sigev_notify_kevent_flags); 3010 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3011 break; 3012 default: 3013 return (EINVAL); 3014 } 3015 return (0); 3016} 3017 3018int 3019freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3020{ 3021 void *data; 3022 union { 3023 struct procctl_reaper_status rs; 3024 struct procctl_reaper_pids rp; 3025 struct procctl_reaper_kill rk; 3026 } x; 3027 union { 3028 struct procctl_reaper_pids32 rp; 3029 } x32; 3030 int error, error1, flags; 3031 3032 switch (uap->com) { 3033 case PROC_SPROTECT: 3034 case PROC_TRACE_CTL: 3035 case PROC_TRAPCAP_CTL: 3036 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3037 if (error != 0) 3038 return (error); 3039 data = &flags; 3040 break; 3041 case PROC_REAP_ACQUIRE: 3042 case PROC_REAP_RELEASE: 3043 if (uap->data != NULL) 3044 return (EINVAL); 3045 data = NULL; 3046 break; 3047 case PROC_REAP_STATUS: 3048 data = &x.rs; 3049 break; 3050 case PROC_REAP_GETPIDS: 3051 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3052 if (error != 0) 3053 return (error); 3054 CP(x32.rp, x.rp, rp_count); 3055 PTRIN_CP(x32.rp, x.rp, rp_pids); 3056 data = &x.rp; 3057 break; 3058 case PROC_REAP_KILL: 3059 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3060 if (error != 0) 3061 return (error); 3062 data = &x.rk; 3063 break; 3064 case PROC_TRACE_STATUS: 3065 case PROC_TRAPCAP_STATUS: 3066 data = &flags; 3067 break; 3068 default: 3069 return (EINVAL); 3070 } 3071 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3072 uap->com, data); 3073 switch (uap->com) { 3074 case PROC_REAP_STATUS: 3075 if (error == 0) 3076 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3077 break; 3078 case PROC_REAP_KILL: 3079 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3080 if (error == 0) 3081 error = error1; 3082 break; 3083 case PROC_TRACE_STATUS: 3084 case PROC_TRAPCAP_STATUS: 3085 if (error == 0) 3086 error = copyout(&flags, uap->data, sizeof(flags)); 3087 break; 3088 } 3089 return (error); 3090} 3091 3092int 3093freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3094{ 3095 long tmp; 3096 3097 switch (uap->cmd) { 3098 /* 3099 * Do unsigned conversion for arg when operation 3100 * interprets it as flags or pointer. 3101 */ 3102 case F_SETLK_REMOTE: 3103 case F_SETLKW: 3104 case F_SETLK: 3105 case F_GETLK: 3106 case F_SETFD: 3107 case F_SETFL: 3108 case F_OGETLK: 3109 case F_OSETLK: 3110 case F_OSETLKW: 3111 tmp = (unsigned int)(uap->arg); 3112 break; 3113 default: 3114 tmp = uap->arg; 3115 break; 3116 } 3117 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3118} 3119 3120int 3121freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3122{ 3123 struct timespec32 ts32; 3124 struct timespec ts, *tsp; 3125 sigset_t set, *ssp; 3126 int error; 3127 3128 if (uap->ts != NULL) { 3129 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3130 if (error != 0) 3131 return (error); 3132 CP(ts32, ts, tv_sec); 3133 CP(ts32, ts, tv_nsec); 3134 tsp = &ts; 3135 } else 3136 tsp = NULL; 3137 if (uap->set != NULL) { 3138 error = copyin(uap->set, &set, sizeof(set)); 3139 if (error != 0) 3140 return (error); 3141 ssp = &set; 3142 } else 3143 ssp = NULL; 3144 3145 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3146} 3147