freebsd32_misc.c revision 313793
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 313793 2017-02-16 05:57:58Z kib $"); 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 struct mprotect_args ap; 453 454 ap.addr = PTRIN(uap->addr); 455 ap.len = uap->len; 456 ap.prot = uap->prot; 457#if defined(__amd64__) 458 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 459 ap.prot |= PROT_EXEC; 460#endif 461 return (sys_mprotect(td, &ap)); 462} 463 464int 465freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 466{ 467 struct mmap_args ap; 468 vm_offset_t addr = (vm_offset_t) uap->addr; 469 vm_size_t len = uap->len; 470 int prot = uap->prot; 471 int flags = uap->flags; 472 int fd = uap->fd; 473 off_t pos = PAIR32TO64(off_t,uap->pos); 474 475#if defined(__amd64__) 476 if (i386_read_exec && (prot & PROT_READ)) 477 prot |= PROT_EXEC; 478#endif 479 480 ap.addr = (void *) addr; 481 ap.len = len; 482 ap.prot = prot; 483 ap.flags = flags; 484 ap.fd = fd; 485 ap.pos = pos; 486 487 return (sys_mmap(td, &ap)); 488} 489 490#ifdef COMPAT_FREEBSD6 491int 492freebsd6_freebsd32_mmap(struct thread *td, 493 struct freebsd6_freebsd32_mmap_args *uap) 494{ 495 struct freebsd32_mmap_args ap; 496 497 ap.addr = uap->addr; 498 ap.len = uap->len; 499 ap.prot = uap->prot; 500 ap.flags = uap->flags; 501 ap.fd = uap->fd; 502 ap.pos1 = uap->pos1; 503 ap.pos2 = uap->pos2; 504 505 return (freebsd32_mmap(td, &ap)); 506} 507#endif 508 509int 510freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 511{ 512 struct itimerval itv, oitv, *itvp; 513 struct itimerval32 i32; 514 int error; 515 516 if (uap->itv != NULL) { 517 error = copyin(uap->itv, &i32, sizeof(i32)); 518 if (error) 519 return (error); 520 TV_CP(i32, itv, it_interval); 521 TV_CP(i32, itv, it_value); 522 itvp = &itv; 523 } else 524 itvp = NULL; 525 error = kern_setitimer(td, uap->which, itvp, &oitv); 526 if (error || uap->oitv == NULL) 527 return (error); 528 TV_CP(oitv, i32, it_interval); 529 TV_CP(oitv, i32, it_value); 530 return (copyout(&i32, uap->oitv, sizeof(i32))); 531} 532 533int 534freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 535{ 536 struct itimerval itv; 537 struct itimerval32 i32; 538 int error; 539 540 error = kern_getitimer(td, uap->which, &itv); 541 if (error || uap->itv == NULL) 542 return (error); 543 TV_CP(itv, i32, it_interval); 544 TV_CP(itv, i32, it_value); 545 return (copyout(&i32, uap->itv, sizeof(i32))); 546} 547 548int 549freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 550{ 551 struct timeval32 tv32; 552 struct timeval tv, *tvp; 553 int error; 554 555 if (uap->tv != NULL) { 556 error = copyin(uap->tv, &tv32, sizeof(tv32)); 557 if (error) 558 return (error); 559 CP(tv32, tv, tv_sec); 560 CP(tv32, tv, tv_usec); 561 tvp = &tv; 562 } else 563 tvp = NULL; 564 /* 565 * XXX Do pointers need PTRIN()? 566 */ 567 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 568 sizeof(int32_t) * 8)); 569} 570 571int 572freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 573{ 574 struct timespec32 ts32; 575 struct timespec ts; 576 struct timeval tv, *tvp; 577 sigset_t set, *uset; 578 int error; 579 580 if (uap->ts != NULL) { 581 error = copyin(uap->ts, &ts32, sizeof(ts32)); 582 if (error != 0) 583 return (error); 584 CP(ts32, ts, tv_sec); 585 CP(ts32, ts, tv_nsec); 586 TIMESPEC_TO_TIMEVAL(&tv, &ts); 587 tvp = &tv; 588 } else 589 tvp = NULL; 590 if (uap->sm != NULL) { 591 error = copyin(uap->sm, &set, sizeof(set)); 592 if (error != 0) 593 return (error); 594 uset = &set; 595 } else 596 uset = NULL; 597 /* 598 * XXX Do pointers need PTRIN()? 599 */ 600 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 601 uset, sizeof(int32_t) * 8); 602 return (error); 603} 604 605/* 606 * Copy 'count' items into the destination list pointed to by uap->eventlist. 607 */ 608static int 609freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 610{ 611 struct freebsd32_kevent_args *uap; 612 struct kevent32 ks32[KQ_NEVENTS]; 613 int i, error = 0; 614 615 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 616 uap = (struct freebsd32_kevent_args *)arg; 617 618 for (i = 0; i < count; i++) { 619 CP(kevp[i], ks32[i], ident); 620 CP(kevp[i], ks32[i], filter); 621 CP(kevp[i], ks32[i], flags); 622 CP(kevp[i], ks32[i], fflags); 623 CP(kevp[i], ks32[i], data); 624 PTROUT_CP(kevp[i], ks32[i], udata); 625 } 626 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 627 if (error == 0) 628 uap->eventlist += count; 629 return (error); 630} 631 632/* 633 * Copy 'count' items from the list pointed to by uap->changelist. 634 */ 635static int 636freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 637{ 638 struct freebsd32_kevent_args *uap; 639 struct kevent32 ks32[KQ_NEVENTS]; 640 int i, error = 0; 641 642 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 643 uap = (struct freebsd32_kevent_args *)arg; 644 645 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 646 if (error) 647 goto done; 648 uap->changelist += count; 649 650 for (i = 0; i < count; i++) { 651 CP(ks32[i], kevp[i], ident); 652 CP(ks32[i], kevp[i], filter); 653 CP(ks32[i], kevp[i], flags); 654 CP(ks32[i], kevp[i], fflags); 655 CP(ks32[i], kevp[i], data); 656 PTRIN_CP(ks32[i], kevp[i], udata); 657 } 658done: 659 return (error); 660} 661 662int 663freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 664{ 665 struct timespec32 ts32; 666 struct timespec ts, *tsp; 667 struct kevent_copyops k_ops = { uap, 668 freebsd32_kevent_copyout, 669 freebsd32_kevent_copyin}; 670 int error; 671 672 673 if (uap->timeout) { 674 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 675 if (error) 676 return (error); 677 CP(ts32, ts, tv_sec); 678 CP(ts32, ts, tv_nsec); 679 tsp = &ts; 680 } else 681 tsp = NULL; 682 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 683 &k_ops, tsp); 684 return (error); 685} 686 687int 688freebsd32_gettimeofday(struct thread *td, 689 struct freebsd32_gettimeofday_args *uap) 690{ 691 struct timeval atv; 692 struct timeval32 atv32; 693 struct timezone rtz; 694 int error = 0; 695 696 if (uap->tp) { 697 microtime(&atv); 698 CP(atv, atv32, tv_sec); 699 CP(atv, atv32, tv_usec); 700 error = copyout(&atv32, uap->tp, sizeof (atv32)); 701 } 702 if (error == 0 && uap->tzp != NULL) { 703 rtz.tz_minuteswest = tz_minuteswest; 704 rtz.tz_dsttime = tz_dsttime; 705 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 706 } 707 return (error); 708} 709 710int 711freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 712{ 713 struct rusage32 s32; 714 struct rusage s; 715 int error; 716 717 error = kern_getrusage(td, uap->who, &s); 718 if (error) 719 return (error); 720 if (uap->rusage != NULL) { 721 freebsd32_rusage_out(&s, &s32); 722 error = copyout(&s32, uap->rusage, sizeof(s32)); 723 } 724 return (error); 725} 726 727static int 728freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 729{ 730 struct iovec32 iov32; 731 struct iovec *iov; 732 struct uio *uio; 733 u_int iovlen; 734 int error, i; 735 736 *uiop = NULL; 737 if (iovcnt > UIO_MAXIOV) 738 return (EINVAL); 739 iovlen = iovcnt * sizeof(struct iovec); 740 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 741 iov = (struct iovec *)(uio + 1); 742 for (i = 0; i < iovcnt; i++) { 743 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 744 if (error) { 745 free(uio, M_IOV); 746 return (error); 747 } 748 iov[i].iov_base = PTRIN(iov32.iov_base); 749 iov[i].iov_len = iov32.iov_len; 750 } 751 uio->uio_iov = iov; 752 uio->uio_iovcnt = iovcnt; 753 uio->uio_segflg = UIO_USERSPACE; 754 uio->uio_offset = -1; 755 uio->uio_resid = 0; 756 for (i = 0; i < iovcnt; i++) { 757 if (iov->iov_len > INT_MAX - uio->uio_resid) { 758 free(uio, M_IOV); 759 return (EINVAL); 760 } 761 uio->uio_resid += iov->iov_len; 762 iov++; 763 } 764 *uiop = uio; 765 return (0); 766} 767 768int 769freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 770{ 771 struct uio *auio; 772 int error; 773 774 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 775 if (error) 776 return (error); 777 error = kern_readv(td, uap->fd, auio); 778 free(auio, M_IOV); 779 return (error); 780} 781 782int 783freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 784{ 785 struct uio *auio; 786 int error; 787 788 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 789 if (error) 790 return (error); 791 error = kern_writev(td, uap->fd, auio); 792 free(auio, M_IOV); 793 return (error); 794} 795 796int 797freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 798{ 799 struct uio *auio; 800 int error; 801 802 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 803 if (error) 804 return (error); 805 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 806 free(auio, M_IOV); 807 return (error); 808} 809 810int 811freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 812{ 813 struct uio *auio; 814 int error; 815 816 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 817 if (error) 818 return (error); 819 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 820 free(auio, M_IOV); 821 return (error); 822} 823 824int 825freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 826 int error) 827{ 828 struct iovec32 iov32; 829 struct iovec *iov; 830 u_int iovlen; 831 int i; 832 833 *iovp = NULL; 834 if (iovcnt > UIO_MAXIOV) 835 return (error); 836 iovlen = iovcnt * sizeof(struct iovec); 837 iov = malloc(iovlen, M_IOV, M_WAITOK); 838 for (i = 0; i < iovcnt; i++) { 839 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 840 if (error) { 841 free(iov, M_IOV); 842 return (error); 843 } 844 iov[i].iov_base = PTRIN(iov32.iov_base); 845 iov[i].iov_len = iov32.iov_len; 846 } 847 *iovp = iov; 848 return (0); 849} 850 851static int 852freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 853{ 854 struct msghdr32 m32; 855 int error; 856 857 error = copyin(msg32, &m32, sizeof(m32)); 858 if (error) 859 return (error); 860 msg->msg_name = PTRIN(m32.msg_name); 861 msg->msg_namelen = m32.msg_namelen; 862 msg->msg_iov = PTRIN(m32.msg_iov); 863 msg->msg_iovlen = m32.msg_iovlen; 864 msg->msg_control = PTRIN(m32.msg_control); 865 msg->msg_controllen = m32.msg_controllen; 866 msg->msg_flags = m32.msg_flags; 867 return (0); 868} 869 870static int 871freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 872{ 873 struct msghdr32 m32; 874 int error; 875 876 m32.msg_name = PTROUT(msg->msg_name); 877 m32.msg_namelen = msg->msg_namelen; 878 m32.msg_iov = PTROUT(msg->msg_iov); 879 m32.msg_iovlen = msg->msg_iovlen; 880 m32.msg_control = PTROUT(msg->msg_control); 881 m32.msg_controllen = msg->msg_controllen; 882 m32.msg_flags = msg->msg_flags; 883 error = copyout(&m32, msg32, sizeof(m32)); 884 return (error); 885} 886 887#ifndef __mips__ 888#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 889#else 890#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 891#endif 892#define FREEBSD32_ALIGN(p) \ 893 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 894#define FREEBSD32_CMSG_SPACE(l) \ 895 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 896 897#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 898 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 899static int 900freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 901{ 902 struct cmsghdr *cm; 903 void *data; 904 socklen_t clen, datalen; 905 int error; 906 caddr_t ctlbuf; 907 int len, maxlen, copylen; 908 struct mbuf *m; 909 error = 0; 910 911 len = msg->msg_controllen; 912 maxlen = msg->msg_controllen; 913 msg->msg_controllen = 0; 914 915 m = control; 916 ctlbuf = msg->msg_control; 917 918 while (m && len > 0) { 919 cm = mtod(m, struct cmsghdr *); 920 clen = m->m_len; 921 922 while (cm != NULL) { 923 924 if (sizeof(struct cmsghdr) > clen || 925 cm->cmsg_len > clen) { 926 error = EINVAL; 927 break; 928 } 929 930 data = CMSG_DATA(cm); 931 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 932 933 /* Adjust message length */ 934 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 935 datalen; 936 937 938 /* Copy cmsghdr */ 939 copylen = sizeof(struct cmsghdr); 940 if (len < copylen) { 941 msg->msg_flags |= MSG_CTRUNC; 942 copylen = len; 943 } 944 945 error = copyout(cm,ctlbuf,copylen); 946 if (error) 947 goto exit; 948 949 ctlbuf += FREEBSD32_ALIGN(copylen); 950 len -= FREEBSD32_ALIGN(copylen); 951 952 if (len <= 0) 953 break; 954 955 /* Copy data */ 956 copylen = datalen; 957 if (len < copylen) { 958 msg->msg_flags |= MSG_CTRUNC; 959 copylen = len; 960 } 961 962 error = copyout(data,ctlbuf,copylen); 963 if (error) 964 goto exit; 965 966 ctlbuf += FREEBSD32_ALIGN(copylen); 967 len -= FREEBSD32_ALIGN(copylen); 968 969 if (CMSG_SPACE(datalen) < clen) { 970 clen -= CMSG_SPACE(datalen); 971 cm = (struct cmsghdr *) 972 ((caddr_t)cm + CMSG_SPACE(datalen)); 973 } else { 974 clen = 0; 975 cm = NULL; 976 } 977 } 978 m = m->m_next; 979 } 980 981 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 982 983exit: 984 return (error); 985 986} 987 988int 989freebsd32_recvmsg(td, uap) 990 struct thread *td; 991 struct freebsd32_recvmsg_args /* { 992 int s; 993 struct msghdr32 *msg; 994 int flags; 995 } */ *uap; 996{ 997 struct msghdr msg; 998 struct msghdr32 m32; 999 struct iovec *uiov, *iov; 1000 struct mbuf *control = NULL; 1001 struct mbuf **controlp; 1002 1003 int error; 1004 error = copyin(uap->msg, &m32, sizeof(m32)); 1005 if (error) 1006 return (error); 1007 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1008 if (error) 1009 return (error); 1010 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1011 EMSGSIZE); 1012 if (error) 1013 return (error); 1014 msg.msg_flags = uap->flags; 1015 uiov = msg.msg_iov; 1016 msg.msg_iov = iov; 1017 1018 controlp = (msg.msg_control != NULL) ? &control : NULL; 1019 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1020 if (error == 0) { 1021 msg.msg_iov = uiov; 1022 1023 if (control != NULL) 1024 error = freebsd32_copy_msg_out(&msg, control); 1025 else 1026 msg.msg_controllen = 0; 1027 1028 if (error == 0) 1029 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1030 } 1031 free(iov, M_IOV); 1032 1033 if (control != NULL) 1034 m_freem(control); 1035 1036 return (error); 1037} 1038 1039/* 1040 * Copy-in the array of control messages constructed using alignment 1041 * and padding suitable for a 32-bit environment and construct an 1042 * mbuf using alignment and padding suitable for a 64-bit kernel. 1043 * The alignment and padding are defined indirectly by CMSG_DATA(), 1044 * CMSG_SPACE() and CMSG_LEN(). 1045 */ 1046static int 1047freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1048{ 1049 struct mbuf *m; 1050 void *md; 1051 u_int idx, len, msglen; 1052 int error; 1053 1054 buflen = FREEBSD32_ALIGN(buflen); 1055 1056 if (buflen > MCLBYTES) 1057 return (EINVAL); 1058 1059 /* 1060 * Iterate over the buffer and get the length of each message 1061 * in there. This has 32-bit alignment and padding. Use it to 1062 * determine the length of these messages when using 64-bit 1063 * alignment and padding. 1064 */ 1065 idx = 0; 1066 len = 0; 1067 while (idx < buflen) { 1068 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1069 if (error) 1070 return (error); 1071 if (msglen < sizeof(struct cmsghdr)) 1072 return (EINVAL); 1073 msglen = FREEBSD32_ALIGN(msglen); 1074 if (idx + msglen > buflen) 1075 return (EINVAL); 1076 idx += msglen; 1077 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1078 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1079 len += CMSG_ALIGN(msglen); 1080 } 1081 1082 if (len > MCLBYTES) 1083 return (EINVAL); 1084 1085 m = m_get(M_WAITOK, MT_CONTROL); 1086 if (len > MLEN) 1087 MCLGET(m, M_WAITOK); 1088 m->m_len = len; 1089 1090 md = mtod(m, void *); 1091 while (buflen > 0) { 1092 error = copyin(buf, md, sizeof(struct cmsghdr)); 1093 if (error) 1094 break; 1095 msglen = *(u_int *)md; 1096 msglen = FREEBSD32_ALIGN(msglen); 1097 1098 /* Modify the message length to account for alignment. */ 1099 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1100 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1101 1102 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1103 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1104 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1105 1106 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1107 if (msglen > 0) { 1108 error = copyin(buf, md, msglen); 1109 if (error) 1110 break; 1111 md = (char *)md + CMSG_ALIGN(msglen); 1112 buf += msglen; 1113 buflen -= msglen; 1114 } 1115 } 1116 1117 if (error) 1118 m_free(m); 1119 else 1120 *mp = m; 1121 return (error); 1122} 1123 1124int 1125freebsd32_sendmsg(struct thread *td, 1126 struct freebsd32_sendmsg_args *uap) 1127{ 1128 struct msghdr msg; 1129 struct msghdr32 m32; 1130 struct iovec *iov; 1131 struct mbuf *control = NULL; 1132 struct sockaddr *to = NULL; 1133 int error; 1134 1135 error = copyin(uap->msg, &m32, sizeof(m32)); 1136 if (error) 1137 return (error); 1138 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1139 if (error) 1140 return (error); 1141 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1142 EMSGSIZE); 1143 if (error) 1144 return (error); 1145 msg.msg_iov = iov; 1146 if (msg.msg_name != NULL) { 1147 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1148 if (error) { 1149 to = NULL; 1150 goto out; 1151 } 1152 msg.msg_name = to; 1153 } 1154 1155 if (msg.msg_control) { 1156 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1157 error = EINVAL; 1158 goto out; 1159 } 1160 1161 error = freebsd32_copyin_control(&control, msg.msg_control, 1162 msg.msg_controllen); 1163 if (error) 1164 goto out; 1165 1166 msg.msg_control = NULL; 1167 msg.msg_controllen = 0; 1168 } 1169 1170 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1171 UIO_USERSPACE); 1172 1173out: 1174 free(iov, M_IOV); 1175 if (to) 1176 free(to, M_SONAME); 1177 return (error); 1178} 1179 1180int 1181freebsd32_recvfrom(struct thread *td, 1182 struct freebsd32_recvfrom_args *uap) 1183{ 1184 struct msghdr msg; 1185 struct iovec aiov; 1186 int error; 1187 1188 if (uap->fromlenaddr) { 1189 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1190 sizeof(msg.msg_namelen)); 1191 if (error) 1192 return (error); 1193 } else { 1194 msg.msg_namelen = 0; 1195 } 1196 1197 msg.msg_name = PTRIN(uap->from); 1198 msg.msg_iov = &aiov; 1199 msg.msg_iovlen = 1; 1200 aiov.iov_base = PTRIN(uap->buf); 1201 aiov.iov_len = uap->len; 1202 msg.msg_control = NULL; 1203 msg.msg_flags = uap->flags; 1204 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1205 if (error == 0 && uap->fromlenaddr) 1206 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1207 sizeof (msg.msg_namelen)); 1208 return (error); 1209} 1210 1211int 1212freebsd32_settimeofday(struct thread *td, 1213 struct freebsd32_settimeofday_args *uap) 1214{ 1215 struct timeval32 tv32; 1216 struct timeval tv, *tvp; 1217 struct timezone tz, *tzp; 1218 int error; 1219 1220 if (uap->tv) { 1221 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1222 if (error) 1223 return (error); 1224 CP(tv32, tv, tv_sec); 1225 CP(tv32, tv, tv_usec); 1226 tvp = &tv; 1227 } else 1228 tvp = NULL; 1229 if (uap->tzp) { 1230 error = copyin(uap->tzp, &tz, sizeof(tz)); 1231 if (error) 1232 return (error); 1233 tzp = &tz; 1234 } else 1235 tzp = NULL; 1236 return (kern_settimeofday(td, tvp, tzp)); 1237} 1238 1239int 1240freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1241{ 1242 struct timeval32 s32[2]; 1243 struct timeval s[2], *sp; 1244 int error; 1245 1246 if (uap->tptr != NULL) { 1247 error = copyin(uap->tptr, s32, sizeof(s32)); 1248 if (error) 1249 return (error); 1250 CP(s32[0], s[0], tv_sec); 1251 CP(s32[0], s[0], tv_usec); 1252 CP(s32[1], s[1], tv_sec); 1253 CP(s32[1], s[1], tv_usec); 1254 sp = s; 1255 } else 1256 sp = NULL; 1257 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1258 sp, UIO_SYSSPACE)); 1259} 1260 1261int 1262freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1263{ 1264 struct timeval32 s32[2]; 1265 struct timeval s[2], *sp; 1266 int error; 1267 1268 if (uap->tptr != NULL) { 1269 error = copyin(uap->tptr, s32, sizeof(s32)); 1270 if (error) 1271 return (error); 1272 CP(s32[0], s[0], tv_sec); 1273 CP(s32[0], s[0], tv_usec); 1274 CP(s32[1], s[1], tv_sec); 1275 CP(s32[1], s[1], tv_usec); 1276 sp = s; 1277 } else 1278 sp = NULL; 1279 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1280} 1281 1282int 1283freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1284{ 1285 struct timeval32 s32[2]; 1286 struct timeval s[2], *sp; 1287 int error; 1288 1289 if (uap->tptr != NULL) { 1290 error = copyin(uap->tptr, s32, sizeof(s32)); 1291 if (error) 1292 return (error); 1293 CP(s32[0], s[0], tv_sec); 1294 CP(s32[0], s[0], tv_usec); 1295 CP(s32[1], s[1], tv_sec); 1296 CP(s32[1], s[1], tv_usec); 1297 sp = s; 1298 } else 1299 sp = NULL; 1300 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1301} 1302 1303int 1304freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1305{ 1306 struct timeval32 s32[2]; 1307 struct timeval s[2], *sp; 1308 int error; 1309 1310 if (uap->times != NULL) { 1311 error = copyin(uap->times, s32, sizeof(s32)); 1312 if (error) 1313 return (error); 1314 CP(s32[0], s[0], tv_sec); 1315 CP(s32[0], s[0], tv_usec); 1316 CP(s32[1], s[1], tv_sec); 1317 CP(s32[1], s[1], tv_usec); 1318 sp = s; 1319 } else 1320 sp = NULL; 1321 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1322 sp, UIO_SYSSPACE)); 1323} 1324 1325int 1326freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1327{ 1328 struct timespec32 ts32[2]; 1329 struct timespec ts[2], *tsp; 1330 int error; 1331 1332 if (uap->times != NULL) { 1333 error = copyin(uap->times, ts32, sizeof(ts32)); 1334 if (error) 1335 return (error); 1336 CP(ts32[0], ts[0], tv_sec); 1337 CP(ts32[0], ts[0], tv_nsec); 1338 CP(ts32[1], ts[1], tv_sec); 1339 CP(ts32[1], ts[1], tv_nsec); 1340 tsp = ts; 1341 } else 1342 tsp = NULL; 1343 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1344} 1345 1346int 1347freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1348{ 1349 struct timespec32 ts32[2]; 1350 struct timespec ts[2], *tsp; 1351 int error; 1352 1353 if (uap->times != NULL) { 1354 error = copyin(uap->times, ts32, sizeof(ts32)); 1355 if (error) 1356 return (error); 1357 CP(ts32[0], ts[0], tv_sec); 1358 CP(ts32[0], ts[0], tv_nsec); 1359 CP(ts32[1], ts[1], tv_sec); 1360 CP(ts32[1], ts[1], tv_nsec); 1361 tsp = ts; 1362 } else 1363 tsp = NULL; 1364 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1365 tsp, UIO_SYSSPACE, uap->flag)); 1366} 1367 1368int 1369freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1370{ 1371 struct timeval32 tv32; 1372 struct timeval delta, olddelta, *deltap; 1373 int error; 1374 1375 if (uap->delta) { 1376 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1377 if (error) 1378 return (error); 1379 CP(tv32, delta, tv_sec); 1380 CP(tv32, delta, tv_usec); 1381 deltap = δ 1382 } else 1383 deltap = NULL; 1384 error = kern_adjtime(td, deltap, &olddelta); 1385 if (uap->olddelta && error == 0) { 1386 CP(olddelta, tv32, tv_sec); 1387 CP(olddelta, tv32, tv_usec); 1388 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1389 } 1390 return (error); 1391} 1392 1393#ifdef COMPAT_FREEBSD4 1394int 1395freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1396{ 1397 struct statfs32 s32; 1398 struct statfs *sp; 1399 int error; 1400 1401 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1402 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1403 if (error == 0) { 1404 copy_statfs(sp, &s32); 1405 error = copyout(&s32, uap->buf, sizeof(s32)); 1406 } 1407 free(sp, M_STATFS); 1408 return (error); 1409} 1410#endif 1411 1412#ifdef COMPAT_FREEBSD4 1413int 1414freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1415{ 1416 struct statfs32 s32; 1417 struct statfs *sp; 1418 int error; 1419 1420 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1421 error = kern_fstatfs(td, uap->fd, sp); 1422 if (error == 0) { 1423 copy_statfs(sp, &s32); 1424 error = copyout(&s32, uap->buf, sizeof(s32)); 1425 } 1426 free(sp, M_STATFS); 1427 return (error); 1428} 1429#endif 1430 1431#ifdef COMPAT_FREEBSD4 1432int 1433freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1434{ 1435 struct statfs32 s32; 1436 struct statfs *sp; 1437 fhandle_t fh; 1438 int error; 1439 1440 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1441 return (error); 1442 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1443 error = kern_fhstatfs(td, fh, sp); 1444 if (error == 0) { 1445 copy_statfs(sp, &s32); 1446 error = copyout(&s32, uap->buf, sizeof(s32)); 1447 } 1448 free(sp, M_STATFS); 1449 return (error); 1450} 1451#endif 1452 1453int 1454freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1455{ 1456 struct pread_args ap; 1457 1458 ap.fd = uap->fd; 1459 ap.buf = uap->buf; 1460 ap.nbyte = uap->nbyte; 1461 ap.offset = PAIR32TO64(off_t,uap->offset); 1462 return (sys_pread(td, &ap)); 1463} 1464 1465int 1466freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1467{ 1468 struct pwrite_args ap; 1469 1470 ap.fd = uap->fd; 1471 ap.buf = uap->buf; 1472 ap.nbyte = uap->nbyte; 1473 ap.offset = PAIR32TO64(off_t,uap->offset); 1474 return (sys_pwrite(td, &ap)); 1475} 1476 1477#ifdef COMPAT_43 1478int 1479ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1480{ 1481 struct lseek_args nuap; 1482 1483 nuap.fd = uap->fd; 1484 nuap.offset = uap->offset; 1485 nuap.whence = uap->whence; 1486 return (sys_lseek(td, &nuap)); 1487} 1488#endif 1489 1490int 1491freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1492{ 1493 int error; 1494 struct lseek_args ap; 1495 off_t pos; 1496 1497 ap.fd = uap->fd; 1498 ap.offset = PAIR32TO64(off_t,uap->offset); 1499 ap.whence = uap->whence; 1500 error = sys_lseek(td, &ap); 1501 /* Expand the quad return into two parts for eax and edx */ 1502 pos = td->td_uretoff.tdu_off; 1503 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1504 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1505 return error; 1506} 1507 1508int 1509freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1510{ 1511 struct truncate_args ap; 1512 1513 ap.path = uap->path; 1514 ap.length = PAIR32TO64(off_t,uap->length); 1515 return (sys_truncate(td, &ap)); 1516} 1517 1518int 1519freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1520{ 1521 struct ftruncate_args ap; 1522 1523 ap.fd = uap->fd; 1524 ap.length = PAIR32TO64(off_t,uap->length); 1525 return (sys_ftruncate(td, &ap)); 1526} 1527 1528#ifdef COMPAT_43 1529int 1530ofreebsd32_getdirentries(struct thread *td, 1531 struct ofreebsd32_getdirentries_args *uap) 1532{ 1533 struct ogetdirentries_args ap; 1534 int error; 1535 long loff; 1536 int32_t loff_cut; 1537 1538 ap.fd = uap->fd; 1539 ap.buf = uap->buf; 1540 ap.count = uap->count; 1541 ap.basep = NULL; 1542 error = kern_ogetdirentries(td, &ap, &loff); 1543 if (error == 0) { 1544 loff_cut = loff; 1545 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1546 } 1547 return (error); 1548} 1549#endif 1550 1551int 1552freebsd32_getdirentries(struct thread *td, 1553 struct freebsd32_getdirentries_args *uap) 1554{ 1555 long base; 1556 int32_t base32; 1557 int error; 1558 1559 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1560 NULL, UIO_USERSPACE); 1561 if (error) 1562 return (error); 1563 if (uap->basep != NULL) { 1564 base32 = base; 1565 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1566 } 1567 return (error); 1568} 1569 1570#ifdef COMPAT_FREEBSD6 1571/* versions with the 'int pad' argument */ 1572int 1573freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1574{ 1575 struct pread_args ap; 1576 1577 ap.fd = uap->fd; 1578 ap.buf = uap->buf; 1579 ap.nbyte = uap->nbyte; 1580 ap.offset = PAIR32TO64(off_t,uap->offset); 1581 return (sys_pread(td, &ap)); 1582} 1583 1584int 1585freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1586{ 1587 struct pwrite_args ap; 1588 1589 ap.fd = uap->fd; 1590 ap.buf = uap->buf; 1591 ap.nbyte = uap->nbyte; 1592 ap.offset = PAIR32TO64(off_t,uap->offset); 1593 return (sys_pwrite(td, &ap)); 1594} 1595 1596int 1597freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1598{ 1599 int error; 1600 struct lseek_args ap; 1601 off_t pos; 1602 1603 ap.fd = uap->fd; 1604 ap.offset = PAIR32TO64(off_t,uap->offset); 1605 ap.whence = uap->whence; 1606 error = sys_lseek(td, &ap); 1607 /* Expand the quad return into two parts for eax and edx */ 1608 pos = *(off_t *)(td->td_retval); 1609 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1610 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1611 return error; 1612} 1613 1614int 1615freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1616{ 1617 struct truncate_args ap; 1618 1619 ap.path = uap->path; 1620 ap.length = PAIR32TO64(off_t,uap->length); 1621 return (sys_truncate(td, &ap)); 1622} 1623 1624int 1625freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1626{ 1627 struct ftruncate_args ap; 1628 1629 ap.fd = uap->fd; 1630 ap.length = PAIR32TO64(off_t,uap->length); 1631 return (sys_ftruncate(td, &ap)); 1632} 1633#endif /* COMPAT_FREEBSD6 */ 1634 1635struct sf_hdtr32 { 1636 uint32_t headers; 1637 int hdr_cnt; 1638 uint32_t trailers; 1639 int trl_cnt; 1640}; 1641 1642static int 1643freebsd32_do_sendfile(struct thread *td, 1644 struct freebsd32_sendfile_args *uap, int compat) 1645{ 1646 struct sf_hdtr32 hdtr32; 1647 struct sf_hdtr hdtr; 1648 struct uio *hdr_uio, *trl_uio; 1649 struct file *fp; 1650 cap_rights_t rights; 1651 struct iovec32 *iov32; 1652 off_t offset, sbytes; 1653 int error; 1654 1655 offset = PAIR32TO64(off_t, uap->offset); 1656 if (offset < 0) 1657 return (EINVAL); 1658 1659 hdr_uio = trl_uio = NULL; 1660 1661 if (uap->hdtr != NULL) { 1662 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1663 if (error) 1664 goto out; 1665 PTRIN_CP(hdtr32, hdtr, headers); 1666 CP(hdtr32, hdtr, hdr_cnt); 1667 PTRIN_CP(hdtr32, hdtr, trailers); 1668 CP(hdtr32, hdtr, trl_cnt); 1669 1670 if (hdtr.headers != NULL) { 1671 iov32 = PTRIN(hdtr32.headers); 1672 error = freebsd32_copyinuio(iov32, 1673 hdtr32.hdr_cnt, &hdr_uio); 1674 if (error) 1675 goto out; 1676#ifdef COMPAT_FREEBSD4 1677 /* 1678 * In FreeBSD < 5.0 the nbytes to send also included 1679 * the header. If compat is specified subtract the 1680 * header size from nbytes. 1681 */ 1682 if (compat) { 1683 if (uap->nbytes > hdr_uio->uio_resid) 1684 uap->nbytes -= hdr_uio->uio_resid; 1685 else 1686 uap->nbytes = 0; 1687 } 1688#endif 1689 } 1690 if (hdtr.trailers != NULL) { 1691 iov32 = PTRIN(hdtr32.trailers); 1692 error = freebsd32_copyinuio(iov32, 1693 hdtr32.trl_cnt, &trl_uio); 1694 if (error) 1695 goto out; 1696 } 1697 } 1698 1699 AUDIT_ARG_FD(uap->fd); 1700 1701 if ((error = fget_read(td, uap->fd, 1702 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1703 goto out; 1704 1705 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1706 uap->nbytes, &sbytes, uap->flags, td); 1707 fdrop(fp, td); 1708 1709 if (uap->sbytes != NULL) 1710 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1711 1712out: 1713 if (hdr_uio) 1714 free(hdr_uio, M_IOV); 1715 if (trl_uio) 1716 free(trl_uio, M_IOV); 1717 return (error); 1718} 1719 1720#ifdef COMPAT_FREEBSD4 1721int 1722freebsd4_freebsd32_sendfile(struct thread *td, 1723 struct freebsd4_freebsd32_sendfile_args *uap) 1724{ 1725 return (freebsd32_do_sendfile(td, 1726 (struct freebsd32_sendfile_args *)uap, 1)); 1727} 1728#endif 1729 1730int 1731freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1732{ 1733 1734 return (freebsd32_do_sendfile(td, uap, 0)); 1735} 1736 1737static void 1738copy_stat(struct stat *in, struct stat32 *out) 1739{ 1740 1741 CP(*in, *out, st_dev); 1742 CP(*in, *out, st_ino); 1743 CP(*in, *out, st_mode); 1744 CP(*in, *out, st_nlink); 1745 CP(*in, *out, st_uid); 1746 CP(*in, *out, st_gid); 1747 CP(*in, *out, st_rdev); 1748 TS_CP(*in, *out, st_atim); 1749 TS_CP(*in, *out, st_mtim); 1750 TS_CP(*in, *out, st_ctim); 1751 CP(*in, *out, st_size); 1752 CP(*in, *out, st_blocks); 1753 CP(*in, *out, st_blksize); 1754 CP(*in, *out, st_flags); 1755 CP(*in, *out, st_gen); 1756 TS_CP(*in, *out, st_birthtim); 1757} 1758 1759#ifdef COMPAT_43 1760static void 1761copy_ostat(struct stat *in, struct ostat32 *out) 1762{ 1763 1764 CP(*in, *out, st_dev); 1765 CP(*in, *out, st_ino); 1766 CP(*in, *out, st_mode); 1767 CP(*in, *out, st_nlink); 1768 CP(*in, *out, st_uid); 1769 CP(*in, *out, st_gid); 1770 CP(*in, *out, st_rdev); 1771 CP(*in, *out, st_size); 1772 TS_CP(*in, *out, st_atim); 1773 TS_CP(*in, *out, st_mtim); 1774 TS_CP(*in, *out, st_ctim); 1775 CP(*in, *out, st_blksize); 1776 CP(*in, *out, st_blocks); 1777 CP(*in, *out, st_flags); 1778 CP(*in, *out, st_gen); 1779} 1780#endif 1781 1782int 1783freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1784{ 1785 struct stat sb; 1786 struct stat32 sb32; 1787 int error; 1788 1789 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1790 &sb, NULL); 1791 if (error) 1792 return (error); 1793 copy_stat(&sb, &sb32); 1794 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1795 return (error); 1796} 1797 1798#ifdef COMPAT_43 1799int 1800ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1801{ 1802 struct stat sb; 1803 struct ostat32 sb32; 1804 int error; 1805 1806 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1807 &sb, NULL); 1808 if (error) 1809 return (error); 1810 copy_ostat(&sb, &sb32); 1811 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1812 return (error); 1813} 1814#endif 1815 1816int 1817freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1818{ 1819 struct stat ub; 1820 struct stat32 ub32; 1821 int error; 1822 1823 error = kern_fstat(td, uap->fd, &ub); 1824 if (error) 1825 return (error); 1826 copy_stat(&ub, &ub32); 1827 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1828 return (error); 1829} 1830 1831#ifdef COMPAT_43 1832int 1833ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1834{ 1835 struct stat ub; 1836 struct ostat32 ub32; 1837 int error; 1838 1839 error = kern_fstat(td, uap->fd, &ub); 1840 if (error) 1841 return (error); 1842 copy_ostat(&ub, &ub32); 1843 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1844 return (error); 1845} 1846#endif 1847 1848int 1849freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1850{ 1851 struct stat ub; 1852 struct stat32 ub32; 1853 int error; 1854 1855 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 1856 &ub, NULL); 1857 if (error) 1858 return (error); 1859 copy_stat(&ub, &ub32); 1860 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1861 return (error); 1862} 1863 1864int 1865freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1866{ 1867 struct stat sb; 1868 struct stat32 sb32; 1869 int error; 1870 1871 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1872 UIO_USERSPACE, &sb, NULL); 1873 if (error) 1874 return (error); 1875 copy_stat(&sb, &sb32); 1876 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1877 return (error); 1878} 1879 1880#ifdef COMPAT_43 1881int 1882ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1883{ 1884 struct stat sb; 1885 struct ostat32 sb32; 1886 int error; 1887 1888 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1889 UIO_USERSPACE, &sb, NULL); 1890 if (error) 1891 return (error); 1892 copy_ostat(&sb, &sb32); 1893 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1894 return (error); 1895} 1896#endif 1897 1898int 1899freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1900{ 1901 int error, name[CTL_MAXNAME]; 1902 size_t j, oldlen; 1903 uint32_t tmp; 1904 1905 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1906 return (EINVAL); 1907 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1908 if (error) 1909 return (error); 1910 if (uap->oldlenp) { 1911 error = fueword32(uap->oldlenp, &tmp); 1912 oldlen = tmp; 1913 } else { 1914 oldlen = 0; 1915 } 1916 if (error != 0) 1917 return (EFAULT); 1918 error = userland_sysctl(td, name, uap->namelen, 1919 uap->old, &oldlen, 1, 1920 uap->new, uap->newlen, &j, SCTL_MASK32); 1921 if (error && error != ENOMEM) 1922 return (error); 1923 if (uap->oldlenp) 1924 suword32(uap->oldlenp, j); 1925 return (0); 1926} 1927 1928int 1929freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1930{ 1931 uint32_t version; 1932 int error; 1933 struct jail j; 1934 1935 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1936 if (error) 1937 return (error); 1938 1939 switch (version) { 1940 case 0: 1941 { 1942 /* FreeBSD single IPv4 jails. */ 1943 struct jail32_v0 j32_v0; 1944 1945 bzero(&j, sizeof(struct jail)); 1946 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1947 if (error) 1948 return (error); 1949 CP(j32_v0, j, version); 1950 PTRIN_CP(j32_v0, j, path); 1951 PTRIN_CP(j32_v0, j, hostname); 1952 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1953 break; 1954 } 1955 1956 case 1: 1957 /* 1958 * Version 1 was used by multi-IPv4 jail implementations 1959 * that never made it into the official kernel. 1960 */ 1961 return (EINVAL); 1962 1963 case 2: /* JAIL_API_VERSION */ 1964 { 1965 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1966 struct jail32 j32; 1967 1968 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1969 if (error) 1970 return (error); 1971 CP(j32, j, version); 1972 PTRIN_CP(j32, j, path); 1973 PTRIN_CP(j32, j, hostname); 1974 PTRIN_CP(j32, j, jailname); 1975 CP(j32, j, ip4s); 1976 CP(j32, j, ip6s); 1977 PTRIN_CP(j32, j, ip4); 1978 PTRIN_CP(j32, j, ip6); 1979 break; 1980 } 1981 1982 default: 1983 /* Sci-Fi jails are not supported, sorry. */ 1984 return (EINVAL); 1985 } 1986 return (kern_jail(td, &j)); 1987} 1988 1989int 1990freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1991{ 1992 struct uio *auio; 1993 int error; 1994 1995 /* Check that we have an even number of iovecs. */ 1996 if (uap->iovcnt & 1) 1997 return (EINVAL); 1998 1999 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2000 if (error) 2001 return (error); 2002 error = kern_jail_set(td, auio, uap->flags); 2003 free(auio, M_IOV); 2004 return (error); 2005} 2006 2007int 2008freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2009{ 2010 struct iovec32 iov32; 2011 struct uio *auio; 2012 int error, i; 2013 2014 /* Check that we have an even number of iovecs. */ 2015 if (uap->iovcnt & 1) 2016 return (EINVAL); 2017 2018 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2019 if (error) 2020 return (error); 2021 error = kern_jail_get(td, auio, uap->flags); 2022 if (error == 0) 2023 for (i = 0; i < uap->iovcnt; i++) { 2024 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2025 CP(auio->uio_iov[i], iov32, iov_len); 2026 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2027 if (error != 0) 2028 break; 2029 } 2030 free(auio, M_IOV); 2031 return (error); 2032} 2033 2034int 2035freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2036{ 2037 struct sigaction32 s32; 2038 struct sigaction sa, osa, *sap; 2039 int error; 2040 2041 if (uap->act) { 2042 error = copyin(uap->act, &s32, sizeof(s32)); 2043 if (error) 2044 return (error); 2045 sa.sa_handler = PTRIN(s32.sa_u); 2046 CP(s32, sa, sa_flags); 2047 CP(s32, sa, sa_mask); 2048 sap = &sa; 2049 } else 2050 sap = NULL; 2051 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2052 if (error == 0 && uap->oact != NULL) { 2053 s32.sa_u = PTROUT(osa.sa_handler); 2054 CP(osa, s32, sa_flags); 2055 CP(osa, s32, sa_mask); 2056 error = copyout(&s32, uap->oact, sizeof(s32)); 2057 } 2058 return (error); 2059} 2060 2061#ifdef COMPAT_FREEBSD4 2062int 2063freebsd4_freebsd32_sigaction(struct thread *td, 2064 struct freebsd4_freebsd32_sigaction_args *uap) 2065{ 2066 struct sigaction32 s32; 2067 struct sigaction sa, osa, *sap; 2068 int error; 2069 2070 if (uap->act) { 2071 error = copyin(uap->act, &s32, sizeof(s32)); 2072 if (error) 2073 return (error); 2074 sa.sa_handler = PTRIN(s32.sa_u); 2075 CP(s32, sa, sa_flags); 2076 CP(s32, sa, sa_mask); 2077 sap = &sa; 2078 } else 2079 sap = NULL; 2080 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2081 if (error == 0 && uap->oact != NULL) { 2082 s32.sa_u = PTROUT(osa.sa_handler); 2083 CP(osa, s32, sa_flags); 2084 CP(osa, s32, sa_mask); 2085 error = copyout(&s32, uap->oact, sizeof(s32)); 2086 } 2087 return (error); 2088} 2089#endif 2090 2091#ifdef COMPAT_43 2092struct osigaction32 { 2093 u_int32_t sa_u; 2094 osigset_t sa_mask; 2095 int sa_flags; 2096}; 2097 2098#define ONSIG 32 2099 2100int 2101ofreebsd32_sigaction(struct thread *td, 2102 struct ofreebsd32_sigaction_args *uap) 2103{ 2104 struct osigaction32 s32; 2105 struct sigaction sa, osa, *sap; 2106 int error; 2107 2108 if (uap->signum <= 0 || uap->signum >= ONSIG) 2109 return (EINVAL); 2110 2111 if (uap->nsa) { 2112 error = copyin(uap->nsa, &s32, sizeof(s32)); 2113 if (error) 2114 return (error); 2115 sa.sa_handler = PTRIN(s32.sa_u); 2116 CP(s32, sa, sa_flags); 2117 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2118 sap = &sa; 2119 } else 2120 sap = NULL; 2121 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2122 if (error == 0 && uap->osa != NULL) { 2123 s32.sa_u = PTROUT(osa.sa_handler); 2124 CP(osa, s32, sa_flags); 2125 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2126 error = copyout(&s32, uap->osa, sizeof(s32)); 2127 } 2128 return (error); 2129} 2130 2131int 2132ofreebsd32_sigprocmask(struct thread *td, 2133 struct ofreebsd32_sigprocmask_args *uap) 2134{ 2135 sigset_t set, oset; 2136 int error; 2137 2138 OSIG2SIG(uap->mask, set); 2139 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2140 SIG2OSIG(oset, td->td_retval[0]); 2141 return (error); 2142} 2143 2144int 2145ofreebsd32_sigpending(struct thread *td, 2146 struct ofreebsd32_sigpending_args *uap) 2147{ 2148 struct proc *p = td->td_proc; 2149 sigset_t siglist; 2150 2151 PROC_LOCK(p); 2152 siglist = p->p_siglist; 2153 SIGSETOR(siglist, td->td_siglist); 2154 PROC_UNLOCK(p); 2155 SIG2OSIG(siglist, td->td_retval[0]); 2156 return (0); 2157} 2158 2159struct sigvec32 { 2160 u_int32_t sv_handler; 2161 int sv_mask; 2162 int sv_flags; 2163}; 2164 2165int 2166ofreebsd32_sigvec(struct thread *td, 2167 struct ofreebsd32_sigvec_args *uap) 2168{ 2169 struct sigvec32 vec; 2170 struct sigaction sa, osa, *sap; 2171 int error; 2172 2173 if (uap->signum <= 0 || uap->signum >= ONSIG) 2174 return (EINVAL); 2175 2176 if (uap->nsv) { 2177 error = copyin(uap->nsv, &vec, sizeof(vec)); 2178 if (error) 2179 return (error); 2180 sa.sa_handler = PTRIN(vec.sv_handler); 2181 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2182 sa.sa_flags = vec.sv_flags; 2183 sa.sa_flags ^= SA_RESTART; 2184 sap = &sa; 2185 } else 2186 sap = NULL; 2187 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2188 if (error == 0 && uap->osv != NULL) { 2189 vec.sv_handler = PTROUT(osa.sa_handler); 2190 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2191 vec.sv_flags = osa.sa_flags; 2192 vec.sv_flags &= ~SA_NOCLDWAIT; 2193 vec.sv_flags ^= SA_RESTART; 2194 error = copyout(&vec, uap->osv, sizeof(vec)); 2195 } 2196 return (error); 2197} 2198 2199int 2200ofreebsd32_sigblock(struct thread *td, 2201 struct ofreebsd32_sigblock_args *uap) 2202{ 2203 sigset_t set, oset; 2204 2205 OSIG2SIG(uap->mask, set); 2206 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2207 SIG2OSIG(oset, td->td_retval[0]); 2208 return (0); 2209} 2210 2211int 2212ofreebsd32_sigsetmask(struct thread *td, 2213 struct ofreebsd32_sigsetmask_args *uap) 2214{ 2215 sigset_t set, oset; 2216 2217 OSIG2SIG(uap->mask, set); 2218 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2219 SIG2OSIG(oset, td->td_retval[0]); 2220 return (0); 2221} 2222 2223int 2224ofreebsd32_sigsuspend(struct thread *td, 2225 struct ofreebsd32_sigsuspend_args *uap) 2226{ 2227 sigset_t mask; 2228 2229 OSIG2SIG(uap->mask, mask); 2230 return (kern_sigsuspend(td, mask)); 2231} 2232 2233struct sigstack32 { 2234 u_int32_t ss_sp; 2235 int ss_onstack; 2236}; 2237 2238int 2239ofreebsd32_sigstack(struct thread *td, 2240 struct ofreebsd32_sigstack_args *uap) 2241{ 2242 struct sigstack32 s32; 2243 struct sigstack nss, oss; 2244 int error = 0, unss; 2245 2246 if (uap->nss != NULL) { 2247 error = copyin(uap->nss, &s32, sizeof(s32)); 2248 if (error) 2249 return (error); 2250 nss.ss_sp = PTRIN(s32.ss_sp); 2251 CP(s32, nss, ss_onstack); 2252 unss = 1; 2253 } else { 2254 unss = 0; 2255 } 2256 oss.ss_sp = td->td_sigstk.ss_sp; 2257 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2258 if (unss) { 2259 td->td_sigstk.ss_sp = nss.ss_sp; 2260 td->td_sigstk.ss_size = 0; 2261 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2262 td->td_pflags |= TDP_ALTSTACK; 2263 } 2264 if (uap->oss != NULL) { 2265 s32.ss_sp = PTROUT(oss.ss_sp); 2266 CP(oss, s32, ss_onstack); 2267 error = copyout(&s32, uap->oss, sizeof(s32)); 2268 } 2269 return (error); 2270} 2271#endif 2272 2273int 2274freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2275{ 2276 struct timespec32 rmt32, rqt32; 2277 struct timespec rmt, rqt; 2278 int error; 2279 2280 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2281 if (error) 2282 return (error); 2283 2284 CP(rqt32, rqt, tv_sec); 2285 CP(rqt32, rqt, tv_nsec); 2286 2287 if (uap->rmtp && 2288 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2289 return (EFAULT); 2290 error = kern_nanosleep(td, &rqt, &rmt); 2291 if (error && uap->rmtp) { 2292 int error2; 2293 2294 CP(rmt, rmt32, tv_sec); 2295 CP(rmt, rmt32, tv_nsec); 2296 2297 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2298 if (error2) 2299 error = error2; 2300 } 2301 return (error); 2302} 2303 2304int 2305freebsd32_clock_gettime(struct thread *td, 2306 struct freebsd32_clock_gettime_args *uap) 2307{ 2308 struct timespec ats; 2309 struct timespec32 ats32; 2310 int error; 2311 2312 error = kern_clock_gettime(td, uap->clock_id, &ats); 2313 if (error == 0) { 2314 CP(ats, ats32, tv_sec); 2315 CP(ats, ats32, tv_nsec); 2316 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2317 } 2318 return (error); 2319} 2320 2321int 2322freebsd32_clock_settime(struct thread *td, 2323 struct freebsd32_clock_settime_args *uap) 2324{ 2325 struct timespec ats; 2326 struct timespec32 ats32; 2327 int error; 2328 2329 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2330 if (error) 2331 return (error); 2332 CP(ats32, ats, tv_sec); 2333 CP(ats32, ats, tv_nsec); 2334 2335 return (kern_clock_settime(td, uap->clock_id, &ats)); 2336} 2337 2338int 2339freebsd32_clock_getres(struct thread *td, 2340 struct freebsd32_clock_getres_args *uap) 2341{ 2342 struct timespec ts; 2343 struct timespec32 ts32; 2344 int error; 2345 2346 if (uap->tp == NULL) 2347 return (0); 2348 error = kern_clock_getres(td, uap->clock_id, &ts); 2349 if (error == 0) { 2350 CP(ts, ts32, tv_sec); 2351 CP(ts, ts32, tv_nsec); 2352 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2353 } 2354 return (error); 2355} 2356 2357int freebsd32_ktimer_create(struct thread *td, 2358 struct freebsd32_ktimer_create_args *uap) 2359{ 2360 struct sigevent32 ev32; 2361 struct sigevent ev, *evp; 2362 int error, id; 2363 2364 if (uap->evp == NULL) { 2365 evp = NULL; 2366 } else { 2367 evp = &ev; 2368 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2369 if (error != 0) 2370 return (error); 2371 error = convert_sigevent32(&ev32, &ev); 2372 if (error != 0) 2373 return (error); 2374 } 2375 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2376 if (error == 0) { 2377 error = copyout(&id, uap->timerid, sizeof(int)); 2378 if (error != 0) 2379 kern_ktimer_delete(td, id); 2380 } 2381 return (error); 2382} 2383 2384int 2385freebsd32_ktimer_settime(struct thread *td, 2386 struct freebsd32_ktimer_settime_args *uap) 2387{ 2388 struct itimerspec32 val32, oval32; 2389 struct itimerspec val, oval, *ovalp; 2390 int error; 2391 2392 error = copyin(uap->value, &val32, sizeof(val32)); 2393 if (error != 0) 2394 return (error); 2395 ITS_CP(val32, val); 2396 ovalp = uap->ovalue != NULL ? &oval : NULL; 2397 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2398 if (error == 0 && uap->ovalue != NULL) { 2399 ITS_CP(oval, oval32); 2400 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2401 } 2402 return (error); 2403} 2404 2405int 2406freebsd32_ktimer_gettime(struct thread *td, 2407 struct freebsd32_ktimer_gettime_args *uap) 2408{ 2409 struct itimerspec32 val32; 2410 struct itimerspec val; 2411 int error; 2412 2413 error = kern_ktimer_gettime(td, uap->timerid, &val); 2414 if (error == 0) { 2415 ITS_CP(val, val32); 2416 error = copyout(&val32, uap->value, sizeof(val32)); 2417 } 2418 return (error); 2419} 2420 2421int 2422freebsd32_clock_getcpuclockid2(struct thread *td, 2423 struct freebsd32_clock_getcpuclockid2_args *uap) 2424{ 2425 clockid_t clk_id; 2426 int error; 2427 2428 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2429 uap->which, &clk_id); 2430 if (error == 0) 2431 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2432 return (error); 2433} 2434 2435int 2436freebsd32_thr_new(struct thread *td, 2437 struct freebsd32_thr_new_args *uap) 2438{ 2439 struct thr_param32 param32; 2440 struct thr_param param; 2441 int error; 2442 2443 if (uap->param_size < 0 || 2444 uap->param_size > sizeof(struct thr_param32)) 2445 return (EINVAL); 2446 bzero(¶m, sizeof(struct thr_param)); 2447 bzero(¶m32, sizeof(struct thr_param32)); 2448 error = copyin(uap->param, ¶m32, uap->param_size); 2449 if (error != 0) 2450 return (error); 2451 param.start_func = PTRIN(param32.start_func); 2452 param.arg = PTRIN(param32.arg); 2453 param.stack_base = PTRIN(param32.stack_base); 2454 param.stack_size = param32.stack_size; 2455 param.tls_base = PTRIN(param32.tls_base); 2456 param.tls_size = param32.tls_size; 2457 param.child_tid = PTRIN(param32.child_tid); 2458 param.parent_tid = PTRIN(param32.parent_tid); 2459 param.flags = param32.flags; 2460 param.rtp = PTRIN(param32.rtp); 2461 param.spare[0] = PTRIN(param32.spare[0]); 2462 param.spare[1] = PTRIN(param32.spare[1]); 2463 param.spare[2] = PTRIN(param32.spare[2]); 2464 2465 return (kern_thr_new(td, ¶m)); 2466} 2467 2468int 2469freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2470{ 2471 struct timespec32 ts32; 2472 struct timespec ts, *tsp; 2473 int error; 2474 2475 error = 0; 2476 tsp = NULL; 2477 if (uap->timeout != NULL) { 2478 error = copyin((const void *)uap->timeout, (void *)&ts32, 2479 sizeof(struct timespec32)); 2480 if (error != 0) 2481 return (error); 2482 ts.tv_sec = ts32.tv_sec; 2483 ts.tv_nsec = ts32.tv_nsec; 2484 tsp = &ts; 2485 } 2486 return (kern_thr_suspend(td, tsp)); 2487} 2488 2489void 2490siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2491{ 2492 bzero(dst, sizeof(*dst)); 2493 dst->si_signo = src->si_signo; 2494 dst->si_errno = src->si_errno; 2495 dst->si_code = src->si_code; 2496 dst->si_pid = src->si_pid; 2497 dst->si_uid = src->si_uid; 2498 dst->si_status = src->si_status; 2499 dst->si_addr = (uintptr_t)src->si_addr; 2500 dst->si_value.sival_int = src->si_value.sival_int; 2501 dst->si_timerid = src->si_timerid; 2502 dst->si_overrun = src->si_overrun; 2503} 2504 2505int 2506freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2507{ 2508 struct timespec32 ts32; 2509 struct timespec ts; 2510 struct timespec *timeout; 2511 sigset_t set; 2512 ksiginfo_t ksi; 2513 struct siginfo32 si32; 2514 int error; 2515 2516 if (uap->timeout) { 2517 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2518 if (error) 2519 return (error); 2520 ts.tv_sec = ts32.tv_sec; 2521 ts.tv_nsec = ts32.tv_nsec; 2522 timeout = &ts; 2523 } else 2524 timeout = NULL; 2525 2526 error = copyin(uap->set, &set, sizeof(set)); 2527 if (error) 2528 return (error); 2529 2530 error = kern_sigtimedwait(td, set, &ksi, timeout); 2531 if (error) 2532 return (error); 2533 2534 if (uap->info) { 2535 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2536 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2537 } 2538 2539 if (error == 0) 2540 td->td_retval[0] = ksi.ksi_signo; 2541 return (error); 2542} 2543 2544/* 2545 * MPSAFE 2546 */ 2547int 2548freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2549{ 2550 ksiginfo_t ksi; 2551 struct siginfo32 si32; 2552 sigset_t set; 2553 int error; 2554 2555 error = copyin(uap->set, &set, sizeof(set)); 2556 if (error) 2557 return (error); 2558 2559 error = kern_sigtimedwait(td, set, &ksi, NULL); 2560 if (error) 2561 return (error); 2562 2563 if (uap->info) { 2564 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2565 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2566 } 2567 if (error == 0) 2568 td->td_retval[0] = ksi.ksi_signo; 2569 return (error); 2570} 2571 2572int 2573freebsd32_cpuset_setid(struct thread *td, 2574 struct freebsd32_cpuset_setid_args *uap) 2575{ 2576 struct cpuset_setid_args ap; 2577 2578 ap.which = uap->which; 2579 ap.id = PAIR32TO64(id_t,uap->id); 2580 ap.setid = uap->setid; 2581 2582 return (sys_cpuset_setid(td, &ap)); 2583} 2584 2585int 2586freebsd32_cpuset_getid(struct thread *td, 2587 struct freebsd32_cpuset_getid_args *uap) 2588{ 2589 struct cpuset_getid_args ap; 2590 2591 ap.level = uap->level; 2592 ap.which = uap->which; 2593 ap.id = PAIR32TO64(id_t,uap->id); 2594 ap.setid = uap->setid; 2595 2596 return (sys_cpuset_getid(td, &ap)); 2597} 2598 2599int 2600freebsd32_cpuset_getaffinity(struct thread *td, 2601 struct freebsd32_cpuset_getaffinity_args *uap) 2602{ 2603 struct cpuset_getaffinity_args ap; 2604 2605 ap.level = uap->level; 2606 ap.which = uap->which; 2607 ap.id = PAIR32TO64(id_t,uap->id); 2608 ap.cpusetsize = uap->cpusetsize; 2609 ap.mask = uap->mask; 2610 2611 return (sys_cpuset_getaffinity(td, &ap)); 2612} 2613 2614int 2615freebsd32_cpuset_setaffinity(struct thread *td, 2616 struct freebsd32_cpuset_setaffinity_args *uap) 2617{ 2618 struct cpuset_setaffinity_args ap; 2619 2620 ap.level = uap->level; 2621 ap.which = uap->which; 2622 ap.id = PAIR32TO64(id_t,uap->id); 2623 ap.cpusetsize = uap->cpusetsize; 2624 ap.mask = uap->mask; 2625 2626 return (sys_cpuset_setaffinity(td, &ap)); 2627} 2628 2629int 2630freebsd32_nmount(struct thread *td, 2631 struct freebsd32_nmount_args /* { 2632 struct iovec *iovp; 2633 unsigned int iovcnt; 2634 int flags; 2635 } */ *uap) 2636{ 2637 struct uio *auio; 2638 uint64_t flags; 2639 int error; 2640 2641 /* 2642 * Mount flags are now 64-bits. On 32-bit archtectures only 2643 * 32-bits are passed in, but from here on everything handles 2644 * 64-bit flags correctly. 2645 */ 2646 flags = uap->flags; 2647 2648 AUDIT_ARG_FFLAGS(flags); 2649 2650 /* 2651 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2652 * userspace to set this flag, but we must filter it out if we want 2653 * MNT_UPDATE on the root file system to work. 2654 * MNT_ROOTFS should only be set by the kernel when mounting its 2655 * root file system. 2656 */ 2657 flags &= ~MNT_ROOTFS; 2658 2659 /* 2660 * check that we have an even number of iovec's 2661 * and that we have at least two options. 2662 */ 2663 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2664 return (EINVAL); 2665 2666 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2667 if (error) 2668 return (error); 2669 error = vfs_donmount(td, flags, auio); 2670 2671 free(auio, M_IOV); 2672 return error; 2673} 2674 2675#if 0 2676int 2677freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2678{ 2679 struct yyy32 *p32, s32; 2680 struct yyy *p = NULL, s; 2681 struct xxx_arg ap; 2682 int error; 2683 2684 if (uap->zzz) { 2685 error = copyin(uap->zzz, &s32, sizeof(s32)); 2686 if (error) 2687 return (error); 2688 /* translate in */ 2689 p = &s; 2690 } 2691 error = kern_xxx(td, p); 2692 if (error) 2693 return (error); 2694 if (uap->zzz) { 2695 /* translate out */ 2696 error = copyout(&s32, p32, sizeof(s32)); 2697 } 2698 return (error); 2699} 2700#endif 2701 2702int 2703syscall32_register(int *offset, struct sysent *new_sysent, 2704 struct sysent *old_sysent, int flags) 2705{ 2706 2707 if ((flags & ~SY_THR_STATIC) != 0) 2708 return (EINVAL); 2709 2710 if (*offset == NO_SYSCALL) { 2711 int i; 2712 2713 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2714 if (freebsd32_sysent[i].sy_call == 2715 (sy_call_t *)lkmnosys) 2716 break; 2717 if (i == SYS_MAXSYSCALL) 2718 return (ENFILE); 2719 *offset = i; 2720 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2721 return (EINVAL); 2722 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2723 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2724 return (EEXIST); 2725 2726 *old_sysent = freebsd32_sysent[*offset]; 2727 freebsd32_sysent[*offset] = *new_sysent; 2728 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags); 2729 return (0); 2730} 2731 2732int 2733syscall32_deregister(int *offset, struct sysent *old_sysent) 2734{ 2735 2736 if (*offset == 0) 2737 return (0); 2738 2739 freebsd32_sysent[*offset] = *old_sysent; 2740 return (0); 2741} 2742 2743int 2744syscall32_module_handler(struct module *mod, int what, void *arg) 2745{ 2746 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2747 modspecific_t ms; 2748 int error; 2749 2750 switch (what) { 2751 case MOD_LOAD: 2752 error = syscall32_register(data->offset, data->new_sysent, 2753 &data->old_sysent, SY_THR_STATIC_KLD); 2754 if (error) { 2755 /* Leave a mark so we know to safely unload below. */ 2756 data->offset = NULL; 2757 return error; 2758 } 2759 ms.intval = *data->offset; 2760 MOD_XLOCK; 2761 module_setspecific(mod, &ms); 2762 MOD_XUNLOCK; 2763 if (data->chainevh) 2764 error = data->chainevh(mod, what, data->chainarg); 2765 return (error); 2766 case MOD_UNLOAD: 2767 /* 2768 * MOD_LOAD failed, so just return without calling the 2769 * chained handler since we didn't pass along the MOD_LOAD 2770 * event. 2771 */ 2772 if (data->offset == NULL) 2773 return (0); 2774 if (data->chainevh) { 2775 error = data->chainevh(mod, what, data->chainarg); 2776 if (error) 2777 return (error); 2778 } 2779 error = syscall32_deregister(data->offset, &data->old_sysent); 2780 return (error); 2781 default: 2782 error = EOPNOTSUPP; 2783 if (data->chainevh) 2784 error = data->chainevh(mod, what, data->chainarg); 2785 return (error); 2786 } 2787} 2788 2789int 2790syscall32_helper_register(struct syscall_helper_data *sd, int flags) 2791{ 2792 struct syscall_helper_data *sd1; 2793 int error; 2794 2795 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2796 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2797 &sd1->old_sysent, flags); 2798 if (error != 0) { 2799 syscall32_helper_unregister(sd); 2800 return (error); 2801 } 2802 sd1->registered = 1; 2803 } 2804 return (0); 2805} 2806 2807int 2808syscall32_helper_unregister(struct syscall_helper_data *sd) 2809{ 2810 struct syscall_helper_data *sd1; 2811 2812 for (sd1 = sd; sd1->registered != 0; sd1++) { 2813 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2814 sd1->registered = 0; 2815 } 2816 return (0); 2817} 2818 2819register_t * 2820freebsd32_copyout_strings(struct image_params *imgp) 2821{ 2822 int argc, envc, i; 2823 u_int32_t *vectp; 2824 char *stringp; 2825 uintptr_t destp; 2826 u_int32_t *stack_base; 2827 struct freebsd32_ps_strings *arginfo; 2828 char canary[sizeof(long) * 8]; 2829 int32_t pagesizes32[MAXPAGESIZES]; 2830 size_t execpath_len; 2831 int szsigcode; 2832 2833 /* 2834 * Calculate string base and vector table pointers. 2835 * Also deal with signal trampoline code for this exec type. 2836 */ 2837 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2838 execpath_len = strlen(imgp->execpath) + 1; 2839 else 2840 execpath_len = 0; 2841 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2842 sv_psstrings; 2843 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2844 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2845 else 2846 szsigcode = 0; 2847 destp = (uintptr_t)arginfo; 2848 2849 /* 2850 * install sigcode 2851 */ 2852 if (szsigcode != 0) { 2853 destp -= szsigcode; 2854 destp = rounddown2(destp, sizeof(uint32_t)); 2855 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2856 szsigcode); 2857 } 2858 2859 /* 2860 * Copy the image path for the rtld. 2861 */ 2862 if (execpath_len != 0) { 2863 destp -= execpath_len; 2864 imgp->execpathp = destp; 2865 copyout(imgp->execpath, (void *)destp, execpath_len); 2866 } 2867 2868 /* 2869 * Prepare the canary for SSP. 2870 */ 2871 arc4rand(canary, sizeof(canary), 0); 2872 destp -= sizeof(canary); 2873 imgp->canary = destp; 2874 copyout(canary, (void *)destp, sizeof(canary)); 2875 imgp->canarylen = sizeof(canary); 2876 2877 /* 2878 * Prepare the pagesizes array. 2879 */ 2880 for (i = 0; i < MAXPAGESIZES; i++) 2881 pagesizes32[i] = (uint32_t)pagesizes[i]; 2882 destp -= sizeof(pagesizes32); 2883 destp = rounddown2(destp, sizeof(uint32_t)); 2884 imgp->pagesizes = destp; 2885 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2886 imgp->pagesizeslen = sizeof(pagesizes32); 2887 2888 destp -= ARG_MAX - imgp->args->stringspace; 2889 destp = rounddown2(destp, sizeof(uint32_t)); 2890 2891 /* 2892 * If we have a valid auxargs ptr, prepare some room 2893 * on the stack. 2894 */ 2895 if (imgp->auxargs) { 2896 /* 2897 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2898 * lower compatibility. 2899 */ 2900 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2901 : (AT_COUNT * 2); 2902 /* 2903 * The '+ 2' is for the null pointers at the end of each of 2904 * the arg and env vector sets,and imgp->auxarg_size is room 2905 * for argument of Runtime loader. 2906 */ 2907 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2908 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2909 sizeof(u_int32_t)); 2910 } else { 2911 /* 2912 * The '+ 2' is for the null pointers at the end of each of 2913 * the arg and env vector sets 2914 */ 2915 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2916 imgp->args->envc + 2) * sizeof(u_int32_t)); 2917 } 2918 2919 /* 2920 * vectp also becomes our initial stack base 2921 */ 2922 stack_base = vectp; 2923 2924 stringp = imgp->args->begin_argv; 2925 argc = imgp->args->argc; 2926 envc = imgp->args->envc; 2927 /* 2928 * Copy out strings - arguments and environment. 2929 */ 2930 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2931 2932 /* 2933 * Fill in "ps_strings" struct for ps, w, etc. 2934 */ 2935 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2936 suword32(&arginfo->ps_nargvstr, argc); 2937 2938 /* 2939 * Fill in argument portion of vector table. 2940 */ 2941 for (; argc > 0; --argc) { 2942 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2943 while (*stringp++ != 0) 2944 destp++; 2945 destp++; 2946 } 2947 2948 /* a null vector table pointer separates the argp's from the envp's */ 2949 suword32(vectp++, 0); 2950 2951 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2952 suword32(&arginfo->ps_nenvstr, envc); 2953 2954 /* 2955 * Fill in environment portion of vector table. 2956 */ 2957 for (; envc > 0; --envc) { 2958 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2959 while (*stringp++ != 0) 2960 destp++; 2961 destp++; 2962 } 2963 2964 /* end of vector table is a null pointer */ 2965 suword32(vectp, 0); 2966 2967 return ((register_t *)stack_base); 2968} 2969 2970int 2971freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2972{ 2973 struct kld_file_stat stat; 2974 struct kld32_file_stat stat32; 2975 int error, version; 2976 2977 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2978 != 0) 2979 return (error); 2980 if (version != sizeof(struct kld32_file_stat_1) && 2981 version != sizeof(struct kld32_file_stat)) 2982 return (EINVAL); 2983 2984 error = kern_kldstat(td, uap->fileid, &stat); 2985 if (error != 0) 2986 return (error); 2987 2988 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2989 CP(stat, stat32, refs); 2990 CP(stat, stat32, id); 2991 PTROUT_CP(stat, stat32, address); 2992 CP(stat, stat32, size); 2993 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2994 return (copyout(&stat32, uap->stat, version)); 2995} 2996 2997int 2998freebsd32_posix_fallocate(struct thread *td, 2999 struct freebsd32_posix_fallocate_args *uap) 3000{ 3001 int error; 3002 3003 error = kern_posix_fallocate(td, uap->fd, 3004 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3005 return (kern_posix_error(td, error)); 3006} 3007 3008int 3009freebsd32_posix_fadvise(struct thread *td, 3010 struct freebsd32_posix_fadvise_args *uap) 3011{ 3012 int error; 3013 3014 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 3015 PAIR32TO64(off_t, uap->len), uap->advice); 3016 return (kern_posix_error(td, error)); 3017} 3018 3019int 3020convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3021{ 3022 3023 CP(*sig32, *sig, sigev_notify); 3024 switch (sig->sigev_notify) { 3025 case SIGEV_NONE: 3026 break; 3027 case SIGEV_THREAD_ID: 3028 CP(*sig32, *sig, sigev_notify_thread_id); 3029 /* FALLTHROUGH */ 3030 case SIGEV_SIGNAL: 3031 CP(*sig32, *sig, sigev_signo); 3032 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3033 break; 3034 case SIGEV_KEVENT: 3035 CP(*sig32, *sig, sigev_notify_kqueue); 3036 CP(*sig32, *sig, sigev_notify_kevent_flags); 3037 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3038 break; 3039 default: 3040 return (EINVAL); 3041 } 3042 return (0); 3043} 3044 3045int 3046freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3047{ 3048 void *data; 3049 union { 3050 struct procctl_reaper_status rs; 3051 struct procctl_reaper_pids rp; 3052 struct procctl_reaper_kill rk; 3053 } x; 3054 union { 3055 struct procctl_reaper_pids32 rp; 3056 } x32; 3057 int error, error1, flags; 3058 3059 switch (uap->com) { 3060 case PROC_SPROTECT: 3061 case PROC_TRACE_CTL: 3062 case PROC_TRAPCAP_CTL: 3063 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3064 if (error != 0) 3065 return (error); 3066 data = &flags; 3067 break; 3068 case PROC_REAP_ACQUIRE: 3069 case PROC_REAP_RELEASE: 3070 if (uap->data != NULL) 3071 return (EINVAL); 3072 data = NULL; 3073 break; 3074 case PROC_REAP_STATUS: 3075 data = &x.rs; 3076 break; 3077 case PROC_REAP_GETPIDS: 3078 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3079 if (error != 0) 3080 return (error); 3081 CP(x32.rp, x.rp, rp_count); 3082 PTRIN_CP(x32.rp, x.rp, rp_pids); 3083 data = &x.rp; 3084 break; 3085 case PROC_REAP_KILL: 3086 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3087 if (error != 0) 3088 return (error); 3089 data = &x.rk; 3090 break; 3091 case PROC_TRACE_STATUS: 3092 case PROC_TRAPCAP_STATUS: 3093 data = &flags; 3094 break; 3095 default: 3096 return (EINVAL); 3097 } 3098 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3099 uap->com, data); 3100 switch (uap->com) { 3101 case PROC_REAP_STATUS: 3102 if (error == 0) 3103 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3104 break; 3105 case PROC_REAP_KILL: 3106 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3107 if (error == 0) 3108 error = error1; 3109 break; 3110 case PROC_TRACE_STATUS: 3111 case PROC_TRAPCAP_STATUS: 3112 if (error == 0) 3113 error = copyout(&flags, uap->data, sizeof(flags)); 3114 break; 3115 } 3116 return (error); 3117} 3118 3119int 3120freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3121{ 3122 long tmp; 3123 3124 switch (uap->cmd) { 3125 /* 3126 * Do unsigned conversion for arg when operation 3127 * interprets it as flags or pointer. 3128 */ 3129 case F_SETLK_REMOTE: 3130 case F_SETLKW: 3131 case F_SETLK: 3132 case F_GETLK: 3133 case F_SETFD: 3134 case F_SETFL: 3135 case F_OGETLK: 3136 case F_OSETLK: 3137 case F_OSETLKW: 3138 tmp = (unsigned int)(uap->arg); 3139 break; 3140 default: 3141 tmp = uap->arg; 3142 break; 3143 } 3144 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3145} 3146 3147int 3148freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3149{ 3150 struct timespec32 ts32; 3151 struct timespec ts, *tsp; 3152 sigset_t set, *ssp; 3153 int error; 3154 3155 if (uap->ts != NULL) { 3156 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3157 if (error != 0) 3158 return (error); 3159 CP(ts32, ts, tv_sec); 3160 CP(ts32, ts, tv_nsec); 3161 tsp = &ts; 3162 } else 3163 tsp = NULL; 3164 if (uap->set != NULL) { 3165 error = copyin(uap->set, &set, sizeof(set)); 3166 if (error != 0) 3167 return (error); 3168 ssp = &set; 3169 } else 3170 ssp = NULL; 3171 3172 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3173} 3174