freebsd32_misc.c revision 254490
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: head/sys/compat/freebsd32/freebsd32_misc.c 254490 2013-08-18 13:34:11Z pjd $"); 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/capability.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/reboot.h> 60#include <sys/resource.h> 61#include <sys/resourcevar.h> 62#include <sys/selinfo.h> 63#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 64#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 65#include <sys/signal.h> 66#include <sys/signalvar.h> 67#include <sys/socket.h> 68#include <sys/socketvar.h> 69#include <sys/stat.h> 70#include <sys/syscall.h> 71#include <sys/syscallsubr.h> 72#include <sys/sysctl.h> 73#include <sys/sysent.h> 74#include <sys/sysproto.h> 75#include <sys/systm.h> 76#include <sys/thr.h> 77#include <sys/unistd.h> 78#include <sys/ucontext.h> 79#include <sys/vnode.h> 80#include <sys/wait.h> 81#include <sys/ipc.h> 82#include <sys/msg.h> 83#include <sys/sem.h> 84#include <sys/shm.h> 85 86#ifdef INET 87#include <netinet/in.h> 88#endif 89 90#include <vm/vm.h> 91#include <vm/vm_param.h> 92#include <vm/pmap.h> 93#include <vm/vm_map.h> 94#include <vm/vm_object.h> 95#include <vm/vm_extern.h> 96 97#include <machine/cpu.h> 98#include <machine/elf.h> 99 100#include <security/audit/audit.h> 101 102#include <compat/freebsd32/freebsd32_util.h> 103#include <compat/freebsd32/freebsd32.h> 104#include <compat/freebsd32/freebsd32_ipc.h> 105#include <compat/freebsd32/freebsd32_misc.h> 106#include <compat/freebsd32/freebsd32_signal.h> 107#include <compat/freebsd32/freebsd32_proto.h> 108 109FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 110 111#ifndef __mips__ 112CTASSERT(sizeof(struct timeval32) == 8); 113CTASSERT(sizeof(struct timespec32) == 8); 114CTASSERT(sizeof(struct itimerval32) == 16); 115#endif 116CTASSERT(sizeof(struct statfs32) == 256); 117#ifndef __mips__ 118CTASSERT(sizeof(struct rusage32) == 72); 119#endif 120CTASSERT(sizeof(struct sigaltstack32) == 12); 121CTASSERT(sizeof(struct kevent32) == 20); 122CTASSERT(sizeof(struct iovec32) == 8); 123CTASSERT(sizeof(struct msghdr32) == 28); 124#ifndef __mips__ 125CTASSERT(sizeof(struct stat32) == 96); 126#endif 127CTASSERT(sizeof(struct sigaction32) == 24); 128 129static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 130static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 131 132void 133freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 134{ 135 136 TV_CP(*s, *s32, ru_utime); 137 TV_CP(*s, *s32, ru_stime); 138 CP(*s, *s32, ru_maxrss); 139 CP(*s, *s32, ru_ixrss); 140 CP(*s, *s32, ru_idrss); 141 CP(*s, *s32, ru_isrss); 142 CP(*s, *s32, ru_minflt); 143 CP(*s, *s32, ru_majflt); 144 CP(*s, *s32, ru_nswap); 145 CP(*s, *s32, ru_inblock); 146 CP(*s, *s32, ru_oublock); 147 CP(*s, *s32, ru_msgsnd); 148 CP(*s, *s32, ru_msgrcv); 149 CP(*s, *s32, ru_nsignals); 150 CP(*s, *s32, ru_nvcsw); 151 CP(*s, *s32, ru_nivcsw); 152} 153 154int 155freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 156{ 157 int error, status; 158 struct rusage32 ru32; 159 struct rusage ru, *rup; 160 161 if (uap->rusage != NULL) 162 rup = &ru; 163 else 164 rup = NULL; 165 error = kern_wait(td, uap->pid, &status, uap->options, rup); 166 if (error) 167 return (error); 168 if (uap->status != NULL) 169 error = copyout(&status, uap->status, sizeof(status)); 170 if (uap->rusage != NULL && error == 0) { 171 freebsd32_rusage_out(&ru, &ru32); 172 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 173 } 174 return (error); 175} 176 177int 178freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 179{ 180 struct wrusage32 wru32; 181 struct __wrusage wru, *wrup; 182 struct siginfo32 si32; 183 struct __siginfo si, *sip; 184 int error, status; 185 186 if (uap->wrusage != NULL) 187 wrup = &wru; 188 else 189 wrup = NULL; 190 if (uap->info != NULL) { 191 sip = &si; 192 bzero(sip, sizeof(*sip)); 193 } else 194 sip = NULL; 195 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 196 &status, uap->options, wrup, sip); 197 if (error != 0) 198 return (error); 199 if (uap->status != NULL) 200 error = copyout(&status, uap->status, sizeof(status)); 201 if (uap->wrusage != NULL && error == 0) { 202 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 203 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 204 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 205 } 206 if (uap->info != NULL && error == 0) { 207 siginfo_to_siginfo32 (&si, &si32); 208 error = copyout(&si32, uap->info, sizeof(si32)); 209 } 210 return (error); 211} 212 213#ifdef COMPAT_FREEBSD4 214static void 215copy_statfs(struct statfs *in, struct statfs32 *out) 216{ 217 218 statfs_scale_blocks(in, INT32_MAX); 219 bzero(out, sizeof(*out)); 220 CP(*in, *out, f_bsize); 221 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 222 CP(*in, *out, f_blocks); 223 CP(*in, *out, f_bfree); 224 CP(*in, *out, f_bavail); 225 out->f_files = MIN(in->f_files, INT32_MAX); 226 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 227 CP(*in, *out, f_fsid); 228 CP(*in, *out, f_owner); 229 CP(*in, *out, f_type); 230 CP(*in, *out, f_flags); 231 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 232 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 233 strlcpy(out->f_fstypename, 234 in->f_fstypename, MFSNAMELEN); 235 strlcpy(out->f_mntonname, 236 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 237 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 238 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 239 strlcpy(out->f_mntfromname, 240 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 241} 242#endif 243 244#ifdef COMPAT_FREEBSD4 245int 246freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 247{ 248 struct statfs *buf, *sp; 249 struct statfs32 stat32; 250 size_t count, size; 251 int error; 252 253 count = uap->bufsize / sizeof(struct statfs32); 254 size = count * sizeof(struct statfs); 255 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 256 if (size > 0) { 257 count = td->td_retval[0]; 258 sp = buf; 259 while (count > 0 && error == 0) { 260 copy_statfs(sp, &stat32); 261 error = copyout(&stat32, uap->buf, sizeof(stat32)); 262 sp++; 263 uap->buf++; 264 count--; 265 } 266 free(buf, M_TEMP); 267 } 268 return (error); 269} 270#endif 271 272int 273freebsd32_sigaltstack(struct thread *td, 274 struct freebsd32_sigaltstack_args *uap) 275{ 276 struct sigaltstack32 s32; 277 struct sigaltstack ss, oss, *ssp; 278 int error; 279 280 if (uap->ss != NULL) { 281 error = copyin(uap->ss, &s32, sizeof(s32)); 282 if (error) 283 return (error); 284 PTRIN_CP(s32, ss, ss_sp); 285 CP(s32, ss, ss_size); 286 CP(s32, ss, ss_flags); 287 ssp = &ss; 288 } else 289 ssp = NULL; 290 error = kern_sigaltstack(td, ssp, &oss); 291 if (error == 0 && uap->oss != NULL) { 292 PTROUT_CP(oss, s32, ss_sp); 293 CP(oss, s32, ss_size); 294 CP(oss, s32, ss_flags); 295 error = copyout(&s32, uap->oss, sizeof(s32)); 296 } 297 return (error); 298} 299 300/* 301 * Custom version of exec_copyin_args() so that we can translate 302 * the pointers. 303 */ 304int 305freebsd32_exec_copyin_args(struct image_args *args, char *fname, 306 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 307{ 308 char *argp, *envp; 309 u_int32_t *p32, arg; 310 size_t length; 311 int error; 312 313 bzero(args, sizeof(*args)); 314 if (argv == NULL) 315 return (EFAULT); 316 317 /* 318 * Allocate demand-paged memory for the file name, argument, and 319 * environment strings. 320 */ 321 error = exec_alloc_args(args); 322 if (error != 0) 323 return (error); 324 325 /* 326 * Copy the file name. 327 */ 328 if (fname != NULL) { 329 args->fname = args->buf; 330 error = (segflg == UIO_SYSSPACE) ? 331 copystr(fname, args->fname, PATH_MAX, &length) : 332 copyinstr(fname, args->fname, PATH_MAX, &length); 333 if (error != 0) 334 goto err_exit; 335 } else 336 length = 0; 337 338 args->begin_argv = args->buf + length; 339 args->endp = args->begin_argv; 340 args->stringspace = ARG_MAX; 341 342 /* 343 * extract arguments first 344 */ 345 p32 = argv; 346 for (;;) { 347 error = copyin(p32++, &arg, sizeof(arg)); 348 if (error) 349 goto err_exit; 350 if (arg == 0) 351 break; 352 argp = PTRIN(arg); 353 error = copyinstr(argp, args->endp, args->stringspace, &length); 354 if (error) { 355 if (error == ENAMETOOLONG) 356 error = E2BIG; 357 goto err_exit; 358 } 359 args->stringspace -= length; 360 args->endp += length; 361 args->argc++; 362 } 363 364 args->begin_envv = args->endp; 365 366 /* 367 * extract environment strings 368 */ 369 if (envv) { 370 p32 = envv; 371 for (;;) { 372 error = copyin(p32++, &arg, sizeof(arg)); 373 if (error) 374 goto err_exit; 375 if (arg == 0) 376 break; 377 envp = PTRIN(arg); 378 error = copyinstr(envp, args->endp, args->stringspace, 379 &length); 380 if (error) { 381 if (error == ENAMETOOLONG) 382 error = E2BIG; 383 goto err_exit; 384 } 385 args->stringspace -= length; 386 args->endp += length; 387 args->envc++; 388 } 389 } 390 391 return (0); 392 393err_exit: 394 exec_free_args(args); 395 return (error); 396} 397 398int 399freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 400{ 401 struct image_args eargs; 402 int error; 403 404 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 405 uap->argv, uap->envv); 406 if (error == 0) 407 error = kern_execve(td, &eargs, NULL); 408 return (error); 409} 410 411int 412freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 413{ 414 struct image_args eargs; 415 int error; 416 417 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 418 uap->argv, uap->envv); 419 if (error == 0) { 420 eargs.fd = uap->fd; 421 error = kern_execve(td, &eargs, NULL); 422 } 423 return (error); 424} 425 426#ifdef __ia64__ 427static int 428freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 429 int prot, int fd, off_t pos) 430{ 431 vm_map_t map; 432 vm_map_entry_t entry; 433 int rv; 434 435 map = &td->td_proc->p_vmspace->vm_map; 436 if (fd != -1) 437 prot |= VM_PROT_WRITE; 438 439 if (vm_map_lookup_entry(map, start, &entry)) { 440 if ((entry->protection & prot) != prot) { 441 rv = vm_map_protect(map, 442 trunc_page(start), 443 round_page(end), 444 entry->protection | prot, 445 FALSE); 446 if (rv != KERN_SUCCESS) 447 return (EINVAL); 448 } 449 } else { 450 vm_offset_t addr = trunc_page(start); 451 rv = vm_map_find(map, 0, 0, 452 &addr, PAGE_SIZE, FALSE, prot, 453 VM_PROT_ALL, 0); 454 if (rv != KERN_SUCCESS) 455 return (EINVAL); 456 } 457 458 if (fd != -1) { 459 struct pread_args r; 460 r.fd = fd; 461 r.buf = (void *) start; 462 r.nbyte = end - start; 463 r.offset = pos; 464 return (sys_pread(td, &r)); 465 } else { 466 while (start < end) { 467 subyte((void *) start, 0); 468 start++; 469 } 470 return (0); 471 } 472} 473#endif 474 475int 476freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 477{ 478 struct mprotect_args ap; 479 480 ap.addr = PTRIN(uap->addr); 481 ap.len = uap->len; 482 ap.prot = uap->prot; 483#if defined(__amd64__) || defined(__ia64__) 484 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 485 ap.prot |= PROT_EXEC; 486#endif 487 return (sys_mprotect(td, &ap)); 488} 489 490int 491freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 492{ 493 struct mmap_args ap; 494 vm_offset_t addr = (vm_offset_t) uap->addr; 495 vm_size_t len = uap->len; 496 int prot = uap->prot; 497 int flags = uap->flags; 498 int fd = uap->fd; 499 off_t pos = PAIR32TO64(off_t,uap->pos); 500#ifdef __ia64__ 501 vm_size_t pageoff; 502 int error; 503 504 /* 505 * Attempt to handle page size hassles. 506 */ 507 pageoff = (pos & PAGE_MASK); 508 if (flags & MAP_FIXED) { 509 vm_offset_t start, end; 510 start = addr; 511 end = addr + len; 512 513 if (start != trunc_page(start)) { 514 error = freebsd32_mmap_partial(td, start, 515 round_page(start), prot, 516 fd, pos); 517 if (fd != -1) 518 pos += round_page(start) - start; 519 start = round_page(start); 520 } 521 if (end != round_page(end)) { 522 vm_offset_t t = trunc_page(end); 523 error = freebsd32_mmap_partial(td, t, end, 524 prot, fd, 525 pos + t - start); 526 end = trunc_page(end); 527 } 528 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 529 /* 530 * We can't map this region at all. The specified 531 * address doesn't have the same alignment as the file 532 * position. Fake the mapping by simply reading the 533 * entire region into memory. First we need to make 534 * sure the region exists. 535 */ 536 vm_map_t map; 537 struct pread_args r; 538 int rv; 539 540 prot |= VM_PROT_WRITE; 541 map = &td->td_proc->p_vmspace->vm_map; 542 rv = vm_map_remove(map, start, end); 543 if (rv != KERN_SUCCESS) 544 return (EINVAL); 545 rv = vm_map_find(map, 0, 0, 546 &start, end - start, FALSE, 547 prot, VM_PROT_ALL, 0); 548 if (rv != KERN_SUCCESS) 549 return (EINVAL); 550 r.fd = fd; 551 r.buf = (void *) start; 552 r.nbyte = end - start; 553 r.offset = pos; 554 error = sys_pread(td, &r); 555 if (error) 556 return (error); 557 558 td->td_retval[0] = addr; 559 return (0); 560 } 561 if (end == start) { 562 /* 563 * After dealing with the ragged ends, there 564 * might be none left. 565 */ 566 td->td_retval[0] = addr; 567 return (0); 568 } 569 addr = start; 570 len = end - start; 571 } 572#endif 573 574#if defined(__amd64__) || defined(__ia64__) 575 if (i386_read_exec && (prot & PROT_READ)) 576 prot |= PROT_EXEC; 577#endif 578 579 ap.addr = (void *) addr; 580 ap.len = len; 581 ap.prot = prot; 582 ap.flags = flags; 583 ap.fd = fd; 584 ap.pos = pos; 585 586 return (sys_mmap(td, &ap)); 587} 588 589#ifdef COMPAT_FREEBSD6 590int 591freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 592{ 593 struct freebsd32_mmap_args ap; 594 595 ap.addr = uap->addr; 596 ap.len = uap->len; 597 ap.prot = uap->prot; 598 ap.flags = uap->flags; 599 ap.fd = uap->fd; 600 ap.pos1 = uap->pos1; 601 ap.pos2 = uap->pos2; 602 603 return (freebsd32_mmap(td, &ap)); 604} 605#endif 606 607int 608freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 609{ 610 struct itimerval itv, oitv, *itvp; 611 struct itimerval32 i32; 612 int error; 613 614 if (uap->itv != NULL) { 615 error = copyin(uap->itv, &i32, sizeof(i32)); 616 if (error) 617 return (error); 618 TV_CP(i32, itv, it_interval); 619 TV_CP(i32, itv, it_value); 620 itvp = &itv; 621 } else 622 itvp = NULL; 623 error = kern_setitimer(td, uap->which, itvp, &oitv); 624 if (error || uap->oitv == NULL) 625 return (error); 626 TV_CP(oitv, i32, it_interval); 627 TV_CP(oitv, i32, it_value); 628 return (copyout(&i32, uap->oitv, sizeof(i32))); 629} 630 631int 632freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 633{ 634 struct itimerval itv; 635 struct itimerval32 i32; 636 int error; 637 638 error = kern_getitimer(td, uap->which, &itv); 639 if (error || uap->itv == NULL) 640 return (error); 641 TV_CP(itv, i32, it_interval); 642 TV_CP(itv, i32, it_value); 643 return (copyout(&i32, uap->itv, sizeof(i32))); 644} 645 646int 647freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 648{ 649 struct timeval32 tv32; 650 struct timeval tv, *tvp; 651 int error; 652 653 if (uap->tv != NULL) { 654 error = copyin(uap->tv, &tv32, sizeof(tv32)); 655 if (error) 656 return (error); 657 CP(tv32, tv, tv_sec); 658 CP(tv32, tv, tv_usec); 659 tvp = &tv; 660 } else 661 tvp = NULL; 662 /* 663 * XXX Do pointers need PTRIN()? 664 */ 665 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 666 sizeof(int32_t) * 8)); 667} 668 669int 670freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 671{ 672 struct timespec32 ts32; 673 struct timespec ts; 674 struct timeval tv, *tvp; 675 sigset_t set, *uset; 676 int error; 677 678 if (uap->ts != NULL) { 679 error = copyin(uap->ts, &ts32, sizeof(ts32)); 680 if (error != 0) 681 return (error); 682 CP(ts32, ts, tv_sec); 683 CP(ts32, ts, tv_nsec); 684 TIMESPEC_TO_TIMEVAL(&tv, &ts); 685 tvp = &tv; 686 } else 687 tvp = NULL; 688 if (uap->sm != NULL) { 689 error = copyin(uap->sm, &set, sizeof(set)); 690 if (error != 0) 691 return (error); 692 uset = &set; 693 } else 694 uset = NULL; 695 /* 696 * XXX Do pointers need PTRIN()? 697 */ 698 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 699 uset, sizeof(int32_t) * 8); 700 return (error); 701} 702 703/* 704 * Copy 'count' items into the destination list pointed to by uap->eventlist. 705 */ 706static int 707freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 708{ 709 struct freebsd32_kevent_args *uap; 710 struct kevent32 ks32[KQ_NEVENTS]; 711 int i, error = 0; 712 713 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 714 uap = (struct freebsd32_kevent_args *)arg; 715 716 for (i = 0; i < count; i++) { 717 CP(kevp[i], ks32[i], ident); 718 CP(kevp[i], ks32[i], filter); 719 CP(kevp[i], ks32[i], flags); 720 CP(kevp[i], ks32[i], fflags); 721 CP(kevp[i], ks32[i], data); 722 PTROUT_CP(kevp[i], ks32[i], udata); 723 } 724 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 725 if (error == 0) 726 uap->eventlist += count; 727 return (error); 728} 729 730/* 731 * Copy 'count' items from the list pointed to by uap->changelist. 732 */ 733static int 734freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 735{ 736 struct freebsd32_kevent_args *uap; 737 struct kevent32 ks32[KQ_NEVENTS]; 738 int i, error = 0; 739 740 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 741 uap = (struct freebsd32_kevent_args *)arg; 742 743 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 744 if (error) 745 goto done; 746 uap->changelist += count; 747 748 for (i = 0; i < count; i++) { 749 CP(ks32[i], kevp[i], ident); 750 CP(ks32[i], kevp[i], filter); 751 CP(ks32[i], kevp[i], flags); 752 CP(ks32[i], kevp[i], fflags); 753 CP(ks32[i], kevp[i], data); 754 PTRIN_CP(ks32[i], kevp[i], udata); 755 } 756done: 757 return (error); 758} 759 760int 761freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 762{ 763 struct timespec32 ts32; 764 struct timespec ts, *tsp; 765 struct kevent_copyops k_ops = { uap, 766 freebsd32_kevent_copyout, 767 freebsd32_kevent_copyin}; 768 int error; 769 770 771 if (uap->timeout) { 772 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 773 if (error) 774 return (error); 775 CP(ts32, ts, tv_sec); 776 CP(ts32, ts, tv_nsec); 777 tsp = &ts; 778 } else 779 tsp = NULL; 780 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 781 &k_ops, tsp); 782 return (error); 783} 784 785int 786freebsd32_gettimeofday(struct thread *td, 787 struct freebsd32_gettimeofday_args *uap) 788{ 789 struct timeval atv; 790 struct timeval32 atv32; 791 struct timezone rtz; 792 int error = 0; 793 794 if (uap->tp) { 795 microtime(&atv); 796 CP(atv, atv32, tv_sec); 797 CP(atv, atv32, tv_usec); 798 error = copyout(&atv32, uap->tp, sizeof (atv32)); 799 } 800 if (error == 0 && uap->tzp != NULL) { 801 rtz.tz_minuteswest = tz_minuteswest; 802 rtz.tz_dsttime = tz_dsttime; 803 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 804 } 805 return (error); 806} 807 808int 809freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 810{ 811 struct rusage32 s32; 812 struct rusage s; 813 int error; 814 815 error = kern_getrusage(td, uap->who, &s); 816 if (error) 817 return (error); 818 if (uap->rusage != NULL) { 819 freebsd32_rusage_out(&s, &s32); 820 error = copyout(&s32, uap->rusage, sizeof(s32)); 821 } 822 return (error); 823} 824 825static int 826freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 827{ 828 struct iovec32 iov32; 829 struct iovec *iov; 830 struct uio *uio; 831 u_int iovlen; 832 int error, i; 833 834 *uiop = NULL; 835 if (iovcnt > UIO_MAXIOV) 836 return (EINVAL); 837 iovlen = iovcnt * sizeof(struct iovec); 838 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 839 iov = (struct iovec *)(uio + 1); 840 for (i = 0; i < iovcnt; i++) { 841 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 842 if (error) { 843 free(uio, M_IOV); 844 return (error); 845 } 846 iov[i].iov_base = PTRIN(iov32.iov_base); 847 iov[i].iov_len = iov32.iov_len; 848 } 849 uio->uio_iov = iov; 850 uio->uio_iovcnt = iovcnt; 851 uio->uio_segflg = UIO_USERSPACE; 852 uio->uio_offset = -1; 853 uio->uio_resid = 0; 854 for (i = 0; i < iovcnt; i++) { 855 if (iov->iov_len > INT_MAX - uio->uio_resid) { 856 free(uio, M_IOV); 857 return (EINVAL); 858 } 859 uio->uio_resid += iov->iov_len; 860 iov++; 861 } 862 *uiop = uio; 863 return (0); 864} 865 866int 867freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 868{ 869 struct uio *auio; 870 int error; 871 872 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 873 if (error) 874 return (error); 875 error = kern_readv(td, uap->fd, auio); 876 free(auio, M_IOV); 877 return (error); 878} 879 880int 881freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 882{ 883 struct uio *auio; 884 int error; 885 886 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 887 if (error) 888 return (error); 889 error = kern_writev(td, uap->fd, auio); 890 free(auio, M_IOV); 891 return (error); 892} 893 894int 895freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 896{ 897 struct uio *auio; 898 int error; 899 900 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 901 if (error) 902 return (error); 903 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 904 free(auio, M_IOV); 905 return (error); 906} 907 908int 909freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 910{ 911 struct uio *auio; 912 int error; 913 914 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 915 if (error) 916 return (error); 917 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 918 free(auio, M_IOV); 919 return (error); 920} 921 922int 923freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 924 int error) 925{ 926 struct iovec32 iov32; 927 struct iovec *iov; 928 u_int iovlen; 929 int i; 930 931 *iovp = NULL; 932 if (iovcnt > UIO_MAXIOV) 933 return (error); 934 iovlen = iovcnt * sizeof(struct iovec); 935 iov = malloc(iovlen, M_IOV, M_WAITOK); 936 for (i = 0; i < iovcnt; i++) { 937 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 938 if (error) { 939 free(iov, M_IOV); 940 return (error); 941 } 942 iov[i].iov_base = PTRIN(iov32.iov_base); 943 iov[i].iov_len = iov32.iov_len; 944 } 945 *iovp = iov; 946 return (0); 947} 948 949static int 950freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 951{ 952 struct msghdr32 m32; 953 int error; 954 955 error = copyin(msg32, &m32, sizeof(m32)); 956 if (error) 957 return (error); 958 msg->msg_name = PTRIN(m32.msg_name); 959 msg->msg_namelen = m32.msg_namelen; 960 msg->msg_iov = PTRIN(m32.msg_iov); 961 msg->msg_iovlen = m32.msg_iovlen; 962 msg->msg_control = PTRIN(m32.msg_control); 963 msg->msg_controllen = m32.msg_controllen; 964 msg->msg_flags = m32.msg_flags; 965 return (0); 966} 967 968static int 969freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 970{ 971 struct msghdr32 m32; 972 int error; 973 974 m32.msg_name = PTROUT(msg->msg_name); 975 m32.msg_namelen = msg->msg_namelen; 976 m32.msg_iov = PTROUT(msg->msg_iov); 977 m32.msg_iovlen = msg->msg_iovlen; 978 m32.msg_control = PTROUT(msg->msg_control); 979 m32.msg_controllen = msg->msg_controllen; 980 m32.msg_flags = msg->msg_flags; 981 error = copyout(&m32, msg32, sizeof(m32)); 982 return (error); 983} 984 985#ifndef __mips__ 986#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 987#else 988#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 989#endif 990#define FREEBSD32_ALIGN(p) \ 991 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 992#define FREEBSD32_CMSG_SPACE(l) \ 993 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 994 995#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 996 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 997static int 998freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 999{ 1000 struct cmsghdr *cm; 1001 void *data; 1002 socklen_t clen, datalen; 1003 int error; 1004 caddr_t ctlbuf; 1005 int len, maxlen, copylen; 1006 struct mbuf *m; 1007 error = 0; 1008 1009 len = msg->msg_controllen; 1010 maxlen = msg->msg_controllen; 1011 msg->msg_controllen = 0; 1012 1013 m = control; 1014 ctlbuf = msg->msg_control; 1015 1016 while (m && len > 0) { 1017 cm = mtod(m, struct cmsghdr *); 1018 clen = m->m_len; 1019 1020 while (cm != NULL) { 1021 1022 if (sizeof(struct cmsghdr) > clen || 1023 cm->cmsg_len > clen) { 1024 error = EINVAL; 1025 break; 1026 } 1027 1028 data = CMSG_DATA(cm); 1029 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1030 1031 /* Adjust message length */ 1032 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1033 datalen; 1034 1035 1036 /* Copy cmsghdr */ 1037 copylen = sizeof(struct cmsghdr); 1038 if (len < copylen) { 1039 msg->msg_flags |= MSG_CTRUNC; 1040 copylen = len; 1041 } 1042 1043 error = copyout(cm,ctlbuf,copylen); 1044 if (error) 1045 goto exit; 1046 1047 ctlbuf += FREEBSD32_ALIGN(copylen); 1048 len -= FREEBSD32_ALIGN(copylen); 1049 1050 if (len <= 0) 1051 break; 1052 1053 /* Copy data */ 1054 copylen = datalen; 1055 if (len < copylen) { 1056 msg->msg_flags |= MSG_CTRUNC; 1057 copylen = len; 1058 } 1059 1060 error = copyout(data,ctlbuf,copylen); 1061 if (error) 1062 goto exit; 1063 1064 ctlbuf += FREEBSD32_ALIGN(copylen); 1065 len -= FREEBSD32_ALIGN(copylen); 1066 1067 if (CMSG_SPACE(datalen) < clen) { 1068 clen -= CMSG_SPACE(datalen); 1069 cm = (struct cmsghdr *) 1070 ((caddr_t)cm + CMSG_SPACE(datalen)); 1071 } else { 1072 clen = 0; 1073 cm = NULL; 1074 } 1075 } 1076 m = m->m_next; 1077 } 1078 1079 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1080 1081exit: 1082 return (error); 1083 1084} 1085 1086int 1087freebsd32_recvmsg(td, uap) 1088 struct thread *td; 1089 struct freebsd32_recvmsg_args /* { 1090 int s; 1091 struct msghdr32 *msg; 1092 int flags; 1093 } */ *uap; 1094{ 1095 struct msghdr msg; 1096 struct msghdr32 m32; 1097 struct iovec *uiov, *iov; 1098 struct mbuf *control = NULL; 1099 struct mbuf **controlp; 1100 1101 int error; 1102 error = copyin(uap->msg, &m32, sizeof(m32)); 1103 if (error) 1104 return (error); 1105 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1106 if (error) 1107 return (error); 1108 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1109 EMSGSIZE); 1110 if (error) 1111 return (error); 1112 msg.msg_flags = uap->flags; 1113 uiov = msg.msg_iov; 1114 msg.msg_iov = iov; 1115 1116 controlp = (msg.msg_control != NULL) ? &control : NULL; 1117 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1118 if (error == 0) { 1119 msg.msg_iov = uiov; 1120 1121 if (control != NULL) 1122 error = freebsd32_copy_msg_out(&msg, control); 1123 else 1124 msg.msg_controllen = 0; 1125 1126 if (error == 0) 1127 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1128 } 1129 free(iov, M_IOV); 1130 1131 if (control != NULL) 1132 m_freem(control); 1133 1134 return (error); 1135} 1136 1137 1138static int 1139freebsd32_convert_msg_in(struct mbuf **controlp) 1140{ 1141 struct mbuf *control = *controlp; 1142 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1143 void *data; 1144 socklen_t clen = control->m_len, datalen; 1145 int error; 1146 1147 error = 0; 1148 *controlp = NULL; 1149 1150 while (cm != NULL) { 1151 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1152 error = EINVAL; 1153 break; 1154 } 1155 1156 data = FREEBSD32_CMSG_DATA(cm); 1157 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1158 1159 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1160 cm->cmsg_level); 1161 controlp = &(*controlp)->m_next; 1162 1163 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1164 clen -= FREEBSD32_CMSG_SPACE(datalen); 1165 cm = (struct cmsghdr *) 1166 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1167 } else { 1168 clen = 0; 1169 cm = NULL; 1170 } 1171 } 1172 1173 m_freem(control); 1174 return (error); 1175} 1176 1177 1178int 1179freebsd32_sendmsg(struct thread *td, 1180 struct freebsd32_sendmsg_args *uap) 1181{ 1182 struct msghdr msg; 1183 struct msghdr32 m32; 1184 struct iovec *iov; 1185 struct mbuf *control = NULL; 1186 struct sockaddr *to = NULL; 1187 int error; 1188 1189 error = copyin(uap->msg, &m32, sizeof(m32)); 1190 if (error) 1191 return (error); 1192 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1193 if (error) 1194 return (error); 1195 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1196 EMSGSIZE); 1197 if (error) 1198 return (error); 1199 msg.msg_iov = iov; 1200 if (msg.msg_name != NULL) { 1201 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1202 if (error) { 1203 to = NULL; 1204 goto out; 1205 } 1206 msg.msg_name = to; 1207 } 1208 1209 if (msg.msg_control) { 1210 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1211 error = EINVAL; 1212 goto out; 1213 } 1214 1215 error = sockargs(&control, msg.msg_control, 1216 msg.msg_controllen, MT_CONTROL); 1217 if (error) 1218 goto out; 1219 1220 error = freebsd32_convert_msg_in(&control); 1221 if (error) 1222 goto out; 1223 } 1224 1225 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1226 UIO_USERSPACE); 1227 1228out: 1229 free(iov, M_IOV); 1230 if (to) 1231 free(to, M_SONAME); 1232 return (error); 1233} 1234 1235int 1236freebsd32_recvfrom(struct thread *td, 1237 struct freebsd32_recvfrom_args *uap) 1238{ 1239 struct msghdr msg; 1240 struct iovec aiov; 1241 int error; 1242 1243 if (uap->fromlenaddr) { 1244 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1245 sizeof(msg.msg_namelen)); 1246 if (error) 1247 return (error); 1248 } else { 1249 msg.msg_namelen = 0; 1250 } 1251 1252 msg.msg_name = PTRIN(uap->from); 1253 msg.msg_iov = &aiov; 1254 msg.msg_iovlen = 1; 1255 aiov.iov_base = PTRIN(uap->buf); 1256 aiov.iov_len = uap->len; 1257 msg.msg_control = NULL; 1258 msg.msg_flags = uap->flags; 1259 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1260 if (error == 0 && uap->fromlenaddr) 1261 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1262 sizeof (msg.msg_namelen)); 1263 return (error); 1264} 1265 1266int 1267freebsd32_settimeofday(struct thread *td, 1268 struct freebsd32_settimeofday_args *uap) 1269{ 1270 struct timeval32 tv32; 1271 struct timeval tv, *tvp; 1272 struct timezone tz, *tzp; 1273 int error; 1274 1275 if (uap->tv) { 1276 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1277 if (error) 1278 return (error); 1279 CP(tv32, tv, tv_sec); 1280 CP(tv32, tv, tv_usec); 1281 tvp = &tv; 1282 } else 1283 tvp = NULL; 1284 if (uap->tzp) { 1285 error = copyin(uap->tzp, &tz, sizeof(tz)); 1286 if (error) 1287 return (error); 1288 tzp = &tz; 1289 } else 1290 tzp = NULL; 1291 return (kern_settimeofday(td, tvp, tzp)); 1292} 1293 1294int 1295freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1296{ 1297 struct timeval32 s32[2]; 1298 struct timeval s[2], *sp; 1299 int error; 1300 1301 if (uap->tptr != NULL) { 1302 error = copyin(uap->tptr, s32, sizeof(s32)); 1303 if (error) 1304 return (error); 1305 CP(s32[0], s[0], tv_sec); 1306 CP(s32[0], s[0], tv_usec); 1307 CP(s32[1], s[1], tv_sec); 1308 CP(s32[1], s[1], tv_usec); 1309 sp = s; 1310 } else 1311 sp = NULL; 1312 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1313} 1314 1315int 1316freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1317{ 1318 struct timeval32 s32[2]; 1319 struct timeval s[2], *sp; 1320 int error; 1321 1322 if (uap->tptr != NULL) { 1323 error = copyin(uap->tptr, s32, sizeof(s32)); 1324 if (error) 1325 return (error); 1326 CP(s32[0], s[0], tv_sec); 1327 CP(s32[0], s[0], tv_usec); 1328 CP(s32[1], s[1], tv_sec); 1329 CP(s32[1], s[1], tv_usec); 1330 sp = s; 1331 } else 1332 sp = NULL; 1333 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1334} 1335 1336int 1337freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1338{ 1339 struct timeval32 s32[2]; 1340 struct timeval s[2], *sp; 1341 int error; 1342 1343 if (uap->tptr != NULL) { 1344 error = copyin(uap->tptr, s32, sizeof(s32)); 1345 if (error) 1346 return (error); 1347 CP(s32[0], s[0], tv_sec); 1348 CP(s32[0], s[0], tv_usec); 1349 CP(s32[1], s[1], tv_sec); 1350 CP(s32[1], s[1], tv_usec); 1351 sp = s; 1352 } else 1353 sp = NULL; 1354 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1355} 1356 1357int 1358freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1359{ 1360 struct timeval32 s32[2]; 1361 struct timeval s[2], *sp; 1362 int error; 1363 1364 if (uap->times != NULL) { 1365 error = copyin(uap->times, s32, sizeof(s32)); 1366 if (error) 1367 return (error); 1368 CP(s32[0], s[0], tv_sec); 1369 CP(s32[0], s[0], tv_usec); 1370 CP(s32[1], s[1], tv_sec); 1371 CP(s32[1], s[1], tv_usec); 1372 sp = s; 1373 } else 1374 sp = NULL; 1375 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1376 sp, UIO_SYSSPACE)); 1377} 1378 1379int 1380freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1381{ 1382 struct timeval32 tv32; 1383 struct timeval delta, olddelta, *deltap; 1384 int error; 1385 1386 if (uap->delta) { 1387 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1388 if (error) 1389 return (error); 1390 CP(tv32, delta, tv_sec); 1391 CP(tv32, delta, tv_usec); 1392 deltap = δ 1393 } else 1394 deltap = NULL; 1395 error = kern_adjtime(td, deltap, &olddelta); 1396 if (uap->olddelta && error == 0) { 1397 CP(olddelta, tv32, tv_sec); 1398 CP(olddelta, tv32, tv_usec); 1399 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1400 } 1401 return (error); 1402} 1403 1404#ifdef COMPAT_FREEBSD4 1405int 1406freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1407{ 1408 struct statfs32 s32; 1409 struct statfs s; 1410 int error; 1411 1412 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1413 if (error) 1414 return (error); 1415 copy_statfs(&s, &s32); 1416 return (copyout(&s32, uap->buf, sizeof(s32))); 1417} 1418#endif 1419 1420#ifdef COMPAT_FREEBSD4 1421int 1422freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1423{ 1424 struct statfs32 s32; 1425 struct statfs s; 1426 int error; 1427 1428 error = kern_fstatfs(td, uap->fd, &s); 1429 if (error) 1430 return (error); 1431 copy_statfs(&s, &s32); 1432 return (copyout(&s32, uap->buf, sizeof(s32))); 1433} 1434#endif 1435 1436#ifdef COMPAT_FREEBSD4 1437int 1438freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1439{ 1440 struct statfs32 s32; 1441 struct statfs s; 1442 fhandle_t fh; 1443 int error; 1444 1445 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1446 return (error); 1447 error = kern_fhstatfs(td, fh, &s); 1448 if (error) 1449 return (error); 1450 copy_statfs(&s, &s32); 1451 return (copyout(&s32, uap->buf, sizeof(s32))); 1452} 1453#endif 1454 1455int 1456freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1457{ 1458 struct pread_args ap; 1459 1460 ap.fd = uap->fd; 1461 ap.buf = uap->buf; 1462 ap.nbyte = uap->nbyte; 1463 ap.offset = PAIR32TO64(off_t,uap->offset); 1464 return (sys_pread(td, &ap)); 1465} 1466 1467int 1468freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1469{ 1470 struct pwrite_args ap; 1471 1472 ap.fd = uap->fd; 1473 ap.buf = uap->buf; 1474 ap.nbyte = uap->nbyte; 1475 ap.offset = PAIR32TO64(off_t,uap->offset); 1476 return (sys_pwrite(td, &ap)); 1477} 1478 1479#ifdef COMPAT_43 1480int 1481ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1482{ 1483 struct lseek_args nuap; 1484 1485 nuap.fd = uap->fd; 1486 nuap.offset = uap->offset; 1487 nuap.whence = uap->whence; 1488 return (sys_lseek(td, &nuap)); 1489} 1490#endif 1491 1492int 1493freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1494{ 1495 int error; 1496 struct lseek_args ap; 1497 off_t pos; 1498 1499 ap.fd = uap->fd; 1500 ap.offset = PAIR32TO64(off_t,uap->offset); 1501 ap.whence = uap->whence; 1502 error = sys_lseek(td, &ap); 1503 /* Expand the quad return into two parts for eax and edx */ 1504 pos = *(off_t *)(td->td_retval); 1505 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1506 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1507 return error; 1508} 1509 1510int 1511freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1512{ 1513 struct truncate_args ap; 1514 1515 ap.path = uap->path; 1516 ap.length = PAIR32TO64(off_t,uap->length); 1517 return (sys_truncate(td, &ap)); 1518} 1519 1520int 1521freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1522{ 1523 struct ftruncate_args ap; 1524 1525 ap.fd = uap->fd; 1526 ap.length = PAIR32TO64(off_t,uap->length); 1527 return (sys_ftruncate(td, &ap)); 1528} 1529 1530#ifdef COMPAT_43 1531int 1532ofreebsd32_getdirentries(struct thread *td, 1533 struct ofreebsd32_getdirentries_args *uap) 1534{ 1535 struct ogetdirentries_args ap; 1536 int error; 1537 long loff; 1538 int32_t loff_cut; 1539 1540 ap.fd = uap->fd; 1541 ap.buf = uap->buf; 1542 ap.count = uap->count; 1543 ap.basep = NULL; 1544 error = kern_ogetdirentries(td, &ap, &loff); 1545 if (error == 0) { 1546 loff_cut = loff; 1547 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1548 } 1549 return (error); 1550} 1551#endif 1552 1553int 1554freebsd32_getdirentries(struct thread *td, 1555 struct freebsd32_getdirentries_args *uap) 1556{ 1557 long base; 1558 int32_t base32; 1559 int error; 1560 1561 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1562 NULL, UIO_USERSPACE); 1563 if (error) 1564 return (error); 1565 if (uap->basep != NULL) { 1566 base32 = base; 1567 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1568 } 1569 return (error); 1570} 1571 1572#ifdef COMPAT_FREEBSD6 1573/* versions with the 'int pad' argument */ 1574int 1575freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1576{ 1577 struct pread_args ap; 1578 1579 ap.fd = uap->fd; 1580 ap.buf = uap->buf; 1581 ap.nbyte = uap->nbyte; 1582 ap.offset = PAIR32TO64(off_t,uap->offset); 1583 return (sys_pread(td, &ap)); 1584} 1585 1586int 1587freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1588{ 1589 struct pwrite_args ap; 1590 1591 ap.fd = uap->fd; 1592 ap.buf = uap->buf; 1593 ap.nbyte = uap->nbyte; 1594 ap.offset = PAIR32TO64(off_t,uap->offset); 1595 return (sys_pwrite(td, &ap)); 1596} 1597 1598int 1599freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1600{ 1601 int error; 1602 struct lseek_args ap; 1603 off_t pos; 1604 1605 ap.fd = uap->fd; 1606 ap.offset = PAIR32TO64(off_t,uap->offset); 1607 ap.whence = uap->whence; 1608 error = sys_lseek(td, &ap); 1609 /* Expand the quad return into two parts for eax and edx */ 1610 pos = *(off_t *)(td->td_retval); 1611 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1612 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1613 return error; 1614} 1615 1616int 1617freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1618{ 1619 struct truncate_args ap; 1620 1621 ap.path = uap->path; 1622 ap.length = PAIR32TO64(off_t,uap->length); 1623 return (sys_truncate(td, &ap)); 1624} 1625 1626int 1627freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1628{ 1629 struct ftruncate_args ap; 1630 1631 ap.fd = uap->fd; 1632 ap.length = PAIR32TO64(off_t,uap->length); 1633 return (sys_ftruncate(td, &ap)); 1634} 1635#endif /* COMPAT_FREEBSD6 */ 1636 1637struct sf_hdtr32 { 1638 uint32_t headers; 1639 int hdr_cnt; 1640 uint32_t trailers; 1641 int trl_cnt; 1642}; 1643 1644static int 1645freebsd32_do_sendfile(struct thread *td, 1646 struct freebsd32_sendfile_args *uap, int compat) 1647{ 1648 struct sf_hdtr32 hdtr32; 1649 struct sf_hdtr hdtr; 1650 struct uio *hdr_uio, *trl_uio; 1651 struct iovec32 *iov32; 1652 struct file *fp; 1653 off_t offset; 1654 int error; 1655 1656 offset = PAIR32TO64(off_t, uap->offset); 1657 if (offset < 0) 1658 return (EINVAL); 1659 1660 hdr_uio = trl_uio = NULL; 1661 1662 if (uap->hdtr != NULL) { 1663 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1664 if (error) 1665 goto out; 1666 PTRIN_CP(hdtr32, hdtr, headers); 1667 CP(hdtr32, hdtr, hdr_cnt); 1668 PTRIN_CP(hdtr32, hdtr, trailers); 1669 CP(hdtr32, hdtr, trl_cnt); 1670 1671 if (hdtr.headers != NULL) { 1672 iov32 = PTRIN(hdtr32.headers); 1673 error = freebsd32_copyinuio(iov32, 1674 hdtr32.hdr_cnt, &hdr_uio); 1675 if (error) 1676 goto out; 1677 } 1678 if (hdtr.trailers != NULL) { 1679 iov32 = PTRIN(hdtr32.trailers); 1680 error = freebsd32_copyinuio(iov32, 1681 hdtr32.trl_cnt, &trl_uio); 1682 if (error) 1683 goto out; 1684 } 1685 } 1686 1687 AUDIT_ARG_FD(uap->fd); 1688 1689 if ((error = fget_read(td, uap->fd, CAP_PREAD, &fp)) != 0) 1690 goto out; 1691 1692 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1693 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1694 fdrop(fp, td); 1695 1696out: 1697 if (hdr_uio) 1698 free(hdr_uio, M_IOV); 1699 if (trl_uio) 1700 free(trl_uio, M_IOV); 1701 return (error); 1702} 1703 1704#ifdef COMPAT_FREEBSD4 1705int 1706freebsd4_freebsd32_sendfile(struct thread *td, 1707 struct freebsd4_freebsd32_sendfile_args *uap) 1708{ 1709 return (freebsd32_do_sendfile(td, 1710 (struct freebsd32_sendfile_args *)uap, 1)); 1711} 1712#endif 1713 1714int 1715freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1716{ 1717 1718 return (freebsd32_do_sendfile(td, uap, 0)); 1719} 1720 1721static void 1722copy_stat(struct stat *in, struct stat32 *out) 1723{ 1724 1725 CP(*in, *out, st_dev); 1726 CP(*in, *out, st_ino); 1727 CP(*in, *out, st_mode); 1728 CP(*in, *out, st_nlink); 1729 CP(*in, *out, st_uid); 1730 CP(*in, *out, st_gid); 1731 CP(*in, *out, st_rdev); 1732 TS_CP(*in, *out, st_atim); 1733 TS_CP(*in, *out, st_mtim); 1734 TS_CP(*in, *out, st_ctim); 1735 CP(*in, *out, st_size); 1736 CP(*in, *out, st_blocks); 1737 CP(*in, *out, st_blksize); 1738 CP(*in, *out, st_flags); 1739 CP(*in, *out, st_gen); 1740 TS_CP(*in, *out, st_birthtim); 1741} 1742 1743#ifdef COMPAT_43 1744static void 1745copy_ostat(struct stat *in, struct ostat32 *out) 1746{ 1747 1748 CP(*in, *out, st_dev); 1749 CP(*in, *out, st_ino); 1750 CP(*in, *out, st_mode); 1751 CP(*in, *out, st_nlink); 1752 CP(*in, *out, st_uid); 1753 CP(*in, *out, st_gid); 1754 CP(*in, *out, st_rdev); 1755 CP(*in, *out, st_size); 1756 TS_CP(*in, *out, st_atim); 1757 TS_CP(*in, *out, st_mtim); 1758 TS_CP(*in, *out, st_ctim); 1759 CP(*in, *out, st_blksize); 1760 CP(*in, *out, st_blocks); 1761 CP(*in, *out, st_flags); 1762 CP(*in, *out, st_gen); 1763} 1764#endif 1765 1766int 1767freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1768{ 1769 struct stat sb; 1770 struct stat32 sb32; 1771 int error; 1772 1773 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1774 if (error) 1775 return (error); 1776 copy_stat(&sb, &sb32); 1777 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1778 return (error); 1779} 1780 1781#ifdef COMPAT_43 1782int 1783ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1784{ 1785 struct stat sb; 1786 struct ostat32 sb32; 1787 int error; 1788 1789 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1790 if (error) 1791 return (error); 1792 copy_ostat(&sb, &sb32); 1793 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1794 return (error); 1795} 1796#endif 1797 1798int 1799freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1800{ 1801 struct stat ub; 1802 struct stat32 ub32; 1803 int error; 1804 1805 error = kern_fstat(td, uap->fd, &ub); 1806 if (error) 1807 return (error); 1808 copy_stat(&ub, &ub32); 1809 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1810 return (error); 1811} 1812 1813#ifdef COMPAT_43 1814int 1815ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1816{ 1817 struct stat ub; 1818 struct ostat32 ub32; 1819 int error; 1820 1821 error = kern_fstat(td, uap->fd, &ub); 1822 if (error) 1823 return (error); 1824 copy_ostat(&ub, &ub32); 1825 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1826 return (error); 1827} 1828#endif 1829 1830int 1831freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1832{ 1833 struct stat ub; 1834 struct stat32 ub32; 1835 int error; 1836 1837 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1838 if (error) 1839 return (error); 1840 copy_stat(&ub, &ub32); 1841 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1842 return (error); 1843} 1844 1845int 1846freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1847{ 1848 struct stat sb; 1849 struct stat32 sb32; 1850 int error; 1851 1852 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1853 if (error) 1854 return (error); 1855 copy_stat(&sb, &sb32); 1856 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1857 return (error); 1858} 1859 1860#ifdef COMPAT_43 1861int 1862ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1863{ 1864 struct stat sb; 1865 struct ostat32 sb32; 1866 int error; 1867 1868 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1869 if (error) 1870 return (error); 1871 copy_ostat(&sb, &sb32); 1872 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1873 return (error); 1874} 1875#endif 1876 1877int 1878freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1879{ 1880 int error, name[CTL_MAXNAME]; 1881 size_t j, oldlen; 1882 1883 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1884 return (EINVAL); 1885 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1886 if (error) 1887 return (error); 1888 if (uap->oldlenp) 1889 oldlen = fuword32(uap->oldlenp); 1890 else 1891 oldlen = 0; 1892 error = userland_sysctl(td, name, uap->namelen, 1893 uap->old, &oldlen, 1, 1894 uap->new, uap->newlen, &j, SCTL_MASK32); 1895 if (error && error != ENOMEM) 1896 return (error); 1897 if (uap->oldlenp) 1898 suword32(uap->oldlenp, j); 1899 return (0); 1900} 1901 1902int 1903freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1904{ 1905 uint32_t version; 1906 int error; 1907 struct jail j; 1908 1909 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1910 if (error) 1911 return (error); 1912 1913 switch (version) { 1914 case 0: 1915 { 1916 /* FreeBSD single IPv4 jails. */ 1917 struct jail32_v0 j32_v0; 1918 1919 bzero(&j, sizeof(struct jail)); 1920 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1921 if (error) 1922 return (error); 1923 CP(j32_v0, j, version); 1924 PTRIN_CP(j32_v0, j, path); 1925 PTRIN_CP(j32_v0, j, hostname); 1926 j.ip4s = j32_v0.ip_number; 1927 break; 1928 } 1929 1930 case 1: 1931 /* 1932 * Version 1 was used by multi-IPv4 jail implementations 1933 * that never made it into the official kernel. 1934 */ 1935 return (EINVAL); 1936 1937 case 2: /* JAIL_API_VERSION */ 1938 { 1939 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1940 struct jail32 j32; 1941 1942 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1943 if (error) 1944 return (error); 1945 CP(j32, j, version); 1946 PTRIN_CP(j32, j, path); 1947 PTRIN_CP(j32, j, hostname); 1948 PTRIN_CP(j32, j, jailname); 1949 CP(j32, j, ip4s); 1950 CP(j32, j, ip6s); 1951 PTRIN_CP(j32, j, ip4); 1952 PTRIN_CP(j32, j, ip6); 1953 break; 1954 } 1955 1956 default: 1957 /* Sci-Fi jails are not supported, sorry. */ 1958 return (EINVAL); 1959 } 1960 return (kern_jail(td, &j)); 1961} 1962 1963int 1964freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1965{ 1966 struct uio *auio; 1967 int error; 1968 1969 /* Check that we have an even number of iovecs. */ 1970 if (uap->iovcnt & 1) 1971 return (EINVAL); 1972 1973 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1974 if (error) 1975 return (error); 1976 error = kern_jail_set(td, auio, uap->flags); 1977 free(auio, M_IOV); 1978 return (error); 1979} 1980 1981int 1982freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1983{ 1984 struct iovec32 iov32; 1985 struct uio *auio; 1986 int error, i; 1987 1988 /* Check that we have an even number of iovecs. */ 1989 if (uap->iovcnt & 1) 1990 return (EINVAL); 1991 1992 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1993 if (error) 1994 return (error); 1995 error = kern_jail_get(td, auio, uap->flags); 1996 if (error == 0) 1997 for (i = 0; i < uap->iovcnt; i++) { 1998 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1999 CP(auio->uio_iov[i], iov32, iov_len); 2000 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2001 if (error != 0) 2002 break; 2003 } 2004 free(auio, M_IOV); 2005 return (error); 2006} 2007 2008int 2009freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2010{ 2011 struct sigaction32 s32; 2012 struct sigaction sa, osa, *sap; 2013 int error; 2014 2015 if (uap->act) { 2016 error = copyin(uap->act, &s32, sizeof(s32)); 2017 if (error) 2018 return (error); 2019 sa.sa_handler = PTRIN(s32.sa_u); 2020 CP(s32, sa, sa_flags); 2021 CP(s32, sa, sa_mask); 2022 sap = &sa; 2023 } else 2024 sap = NULL; 2025 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2026 if (error == 0 && uap->oact != NULL) { 2027 s32.sa_u = PTROUT(osa.sa_handler); 2028 CP(osa, s32, sa_flags); 2029 CP(osa, s32, sa_mask); 2030 error = copyout(&s32, uap->oact, sizeof(s32)); 2031 } 2032 return (error); 2033} 2034 2035#ifdef COMPAT_FREEBSD4 2036int 2037freebsd4_freebsd32_sigaction(struct thread *td, 2038 struct freebsd4_freebsd32_sigaction_args *uap) 2039{ 2040 struct sigaction32 s32; 2041 struct sigaction sa, osa, *sap; 2042 int error; 2043 2044 if (uap->act) { 2045 error = copyin(uap->act, &s32, sizeof(s32)); 2046 if (error) 2047 return (error); 2048 sa.sa_handler = PTRIN(s32.sa_u); 2049 CP(s32, sa, sa_flags); 2050 CP(s32, sa, sa_mask); 2051 sap = &sa; 2052 } else 2053 sap = NULL; 2054 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2055 if (error == 0 && uap->oact != NULL) { 2056 s32.sa_u = PTROUT(osa.sa_handler); 2057 CP(osa, s32, sa_flags); 2058 CP(osa, s32, sa_mask); 2059 error = copyout(&s32, uap->oact, sizeof(s32)); 2060 } 2061 return (error); 2062} 2063#endif 2064 2065#ifdef COMPAT_43 2066struct osigaction32 { 2067 u_int32_t sa_u; 2068 osigset_t sa_mask; 2069 int sa_flags; 2070}; 2071 2072#define ONSIG 32 2073 2074int 2075ofreebsd32_sigaction(struct thread *td, 2076 struct ofreebsd32_sigaction_args *uap) 2077{ 2078 struct osigaction32 s32; 2079 struct sigaction sa, osa, *sap; 2080 int error; 2081 2082 if (uap->signum <= 0 || uap->signum >= ONSIG) 2083 return (EINVAL); 2084 2085 if (uap->nsa) { 2086 error = copyin(uap->nsa, &s32, sizeof(s32)); 2087 if (error) 2088 return (error); 2089 sa.sa_handler = PTRIN(s32.sa_u); 2090 CP(s32, sa, sa_flags); 2091 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2092 sap = &sa; 2093 } else 2094 sap = NULL; 2095 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2096 if (error == 0 && uap->osa != NULL) { 2097 s32.sa_u = PTROUT(osa.sa_handler); 2098 CP(osa, s32, sa_flags); 2099 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2100 error = copyout(&s32, uap->osa, sizeof(s32)); 2101 } 2102 return (error); 2103} 2104 2105int 2106ofreebsd32_sigprocmask(struct thread *td, 2107 struct ofreebsd32_sigprocmask_args *uap) 2108{ 2109 sigset_t set, oset; 2110 int error; 2111 2112 OSIG2SIG(uap->mask, set); 2113 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2114 SIG2OSIG(oset, td->td_retval[0]); 2115 return (error); 2116} 2117 2118int 2119ofreebsd32_sigpending(struct thread *td, 2120 struct ofreebsd32_sigpending_args *uap) 2121{ 2122 struct proc *p = td->td_proc; 2123 sigset_t siglist; 2124 2125 PROC_LOCK(p); 2126 siglist = p->p_siglist; 2127 SIGSETOR(siglist, td->td_siglist); 2128 PROC_UNLOCK(p); 2129 SIG2OSIG(siglist, td->td_retval[0]); 2130 return (0); 2131} 2132 2133struct sigvec32 { 2134 u_int32_t sv_handler; 2135 int sv_mask; 2136 int sv_flags; 2137}; 2138 2139int 2140ofreebsd32_sigvec(struct thread *td, 2141 struct ofreebsd32_sigvec_args *uap) 2142{ 2143 struct sigvec32 vec; 2144 struct sigaction sa, osa, *sap; 2145 int error; 2146 2147 if (uap->signum <= 0 || uap->signum >= ONSIG) 2148 return (EINVAL); 2149 2150 if (uap->nsv) { 2151 error = copyin(uap->nsv, &vec, sizeof(vec)); 2152 if (error) 2153 return (error); 2154 sa.sa_handler = PTRIN(vec.sv_handler); 2155 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2156 sa.sa_flags = vec.sv_flags; 2157 sa.sa_flags ^= SA_RESTART; 2158 sap = &sa; 2159 } else 2160 sap = NULL; 2161 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2162 if (error == 0 && uap->osv != NULL) { 2163 vec.sv_handler = PTROUT(osa.sa_handler); 2164 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2165 vec.sv_flags = osa.sa_flags; 2166 vec.sv_flags &= ~SA_NOCLDWAIT; 2167 vec.sv_flags ^= SA_RESTART; 2168 error = copyout(&vec, uap->osv, sizeof(vec)); 2169 } 2170 return (error); 2171} 2172 2173int 2174ofreebsd32_sigblock(struct thread *td, 2175 struct ofreebsd32_sigblock_args *uap) 2176{ 2177 sigset_t set, oset; 2178 2179 OSIG2SIG(uap->mask, set); 2180 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2181 SIG2OSIG(oset, td->td_retval[0]); 2182 return (0); 2183} 2184 2185int 2186ofreebsd32_sigsetmask(struct thread *td, 2187 struct ofreebsd32_sigsetmask_args *uap) 2188{ 2189 sigset_t set, oset; 2190 2191 OSIG2SIG(uap->mask, set); 2192 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2193 SIG2OSIG(oset, td->td_retval[0]); 2194 return (0); 2195} 2196 2197int 2198ofreebsd32_sigsuspend(struct thread *td, 2199 struct ofreebsd32_sigsuspend_args *uap) 2200{ 2201 sigset_t mask; 2202 2203 OSIG2SIG(uap->mask, mask); 2204 return (kern_sigsuspend(td, mask)); 2205} 2206 2207struct sigstack32 { 2208 u_int32_t ss_sp; 2209 int ss_onstack; 2210}; 2211 2212int 2213ofreebsd32_sigstack(struct thread *td, 2214 struct ofreebsd32_sigstack_args *uap) 2215{ 2216 struct sigstack32 s32; 2217 struct sigstack nss, oss; 2218 int error = 0, unss; 2219 2220 if (uap->nss != NULL) { 2221 error = copyin(uap->nss, &s32, sizeof(s32)); 2222 if (error) 2223 return (error); 2224 nss.ss_sp = PTRIN(s32.ss_sp); 2225 CP(s32, nss, ss_onstack); 2226 unss = 1; 2227 } else { 2228 unss = 0; 2229 } 2230 oss.ss_sp = td->td_sigstk.ss_sp; 2231 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2232 if (unss) { 2233 td->td_sigstk.ss_sp = nss.ss_sp; 2234 td->td_sigstk.ss_size = 0; 2235 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2236 td->td_pflags |= TDP_ALTSTACK; 2237 } 2238 if (uap->oss != NULL) { 2239 s32.ss_sp = PTROUT(oss.ss_sp); 2240 CP(oss, s32, ss_onstack); 2241 error = copyout(&s32, uap->oss, sizeof(s32)); 2242 } 2243 return (error); 2244} 2245#endif 2246 2247int 2248freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2249{ 2250 struct timespec32 rmt32, rqt32; 2251 struct timespec rmt, rqt; 2252 int error; 2253 2254 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2255 if (error) 2256 return (error); 2257 2258 CP(rqt32, rqt, tv_sec); 2259 CP(rqt32, rqt, tv_nsec); 2260 2261 if (uap->rmtp && 2262 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2263 return (EFAULT); 2264 error = kern_nanosleep(td, &rqt, &rmt); 2265 if (error && uap->rmtp) { 2266 int error2; 2267 2268 CP(rmt, rmt32, tv_sec); 2269 CP(rmt, rmt32, tv_nsec); 2270 2271 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2272 if (error2) 2273 error = error2; 2274 } 2275 return (error); 2276} 2277 2278int 2279freebsd32_clock_gettime(struct thread *td, 2280 struct freebsd32_clock_gettime_args *uap) 2281{ 2282 struct timespec ats; 2283 struct timespec32 ats32; 2284 int error; 2285 2286 error = kern_clock_gettime(td, uap->clock_id, &ats); 2287 if (error == 0) { 2288 CP(ats, ats32, tv_sec); 2289 CP(ats, ats32, tv_nsec); 2290 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2291 } 2292 return (error); 2293} 2294 2295int 2296freebsd32_clock_settime(struct thread *td, 2297 struct freebsd32_clock_settime_args *uap) 2298{ 2299 struct timespec ats; 2300 struct timespec32 ats32; 2301 int error; 2302 2303 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2304 if (error) 2305 return (error); 2306 CP(ats32, ats, tv_sec); 2307 CP(ats32, ats, tv_nsec); 2308 2309 return (kern_clock_settime(td, uap->clock_id, &ats)); 2310} 2311 2312int 2313freebsd32_clock_getres(struct thread *td, 2314 struct freebsd32_clock_getres_args *uap) 2315{ 2316 struct timespec ts; 2317 struct timespec32 ts32; 2318 int error; 2319 2320 if (uap->tp == NULL) 2321 return (0); 2322 error = kern_clock_getres(td, uap->clock_id, &ts); 2323 if (error == 0) { 2324 CP(ts, ts32, tv_sec); 2325 CP(ts, ts32, tv_nsec); 2326 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2327 } 2328 return (error); 2329} 2330 2331int freebsd32_ktimer_create(struct thread *td, 2332 struct freebsd32_ktimer_create_args *uap) 2333{ 2334 struct sigevent32 ev32; 2335 struct sigevent ev, *evp; 2336 int error, id; 2337 2338 if (uap->evp == NULL) { 2339 evp = NULL; 2340 } else { 2341 evp = &ev; 2342 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2343 if (error != 0) 2344 return (error); 2345 error = convert_sigevent32(&ev32, &ev); 2346 if (error != 0) 2347 return (error); 2348 } 2349 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2350 if (error == 0) { 2351 error = copyout(&id, uap->timerid, sizeof(int)); 2352 if (error != 0) 2353 kern_ktimer_delete(td, id); 2354 } 2355 return (error); 2356} 2357 2358int 2359freebsd32_ktimer_settime(struct thread *td, 2360 struct freebsd32_ktimer_settime_args *uap) 2361{ 2362 struct itimerspec32 val32, oval32; 2363 struct itimerspec val, oval, *ovalp; 2364 int error; 2365 2366 error = copyin(uap->value, &val32, sizeof(val32)); 2367 if (error != 0) 2368 return (error); 2369 ITS_CP(val32, val); 2370 ovalp = uap->ovalue != NULL ? &oval : NULL; 2371 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2372 if (error == 0 && uap->ovalue != NULL) { 2373 ITS_CP(oval, oval32); 2374 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2375 } 2376 return (error); 2377} 2378 2379int 2380freebsd32_ktimer_gettime(struct thread *td, 2381 struct freebsd32_ktimer_gettime_args *uap) 2382{ 2383 struct itimerspec32 val32; 2384 struct itimerspec val; 2385 int error; 2386 2387 error = kern_ktimer_gettime(td, uap->timerid, &val); 2388 if (error == 0) { 2389 ITS_CP(val, val32); 2390 error = copyout(&val32, uap->value, sizeof(val32)); 2391 } 2392 return (error); 2393} 2394 2395int 2396freebsd32_clock_getcpuclockid2(struct thread *td, 2397 struct freebsd32_clock_getcpuclockid2_args *uap) 2398{ 2399 clockid_t clk_id; 2400 int error; 2401 2402 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2403 uap->which, &clk_id); 2404 if (error == 0) 2405 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2406 return (error); 2407} 2408 2409int 2410freebsd32_thr_new(struct thread *td, 2411 struct freebsd32_thr_new_args *uap) 2412{ 2413 struct thr_param32 param32; 2414 struct thr_param param; 2415 int error; 2416 2417 if (uap->param_size < 0 || 2418 uap->param_size > sizeof(struct thr_param32)) 2419 return (EINVAL); 2420 bzero(¶m, sizeof(struct thr_param)); 2421 bzero(¶m32, sizeof(struct thr_param32)); 2422 error = copyin(uap->param, ¶m32, uap->param_size); 2423 if (error != 0) 2424 return (error); 2425 param.start_func = PTRIN(param32.start_func); 2426 param.arg = PTRIN(param32.arg); 2427 param.stack_base = PTRIN(param32.stack_base); 2428 param.stack_size = param32.stack_size; 2429 param.tls_base = PTRIN(param32.tls_base); 2430 param.tls_size = param32.tls_size; 2431 param.child_tid = PTRIN(param32.child_tid); 2432 param.parent_tid = PTRIN(param32.parent_tid); 2433 param.flags = param32.flags; 2434 param.rtp = PTRIN(param32.rtp); 2435 param.spare[0] = PTRIN(param32.spare[0]); 2436 param.spare[1] = PTRIN(param32.spare[1]); 2437 param.spare[2] = PTRIN(param32.spare[2]); 2438 2439 return (kern_thr_new(td, ¶m)); 2440} 2441 2442int 2443freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2444{ 2445 struct timespec32 ts32; 2446 struct timespec ts, *tsp; 2447 int error; 2448 2449 error = 0; 2450 tsp = NULL; 2451 if (uap->timeout != NULL) { 2452 error = copyin((const void *)uap->timeout, (void *)&ts32, 2453 sizeof(struct timespec32)); 2454 if (error != 0) 2455 return (error); 2456 ts.tv_sec = ts32.tv_sec; 2457 ts.tv_nsec = ts32.tv_nsec; 2458 tsp = &ts; 2459 } 2460 return (kern_thr_suspend(td, tsp)); 2461} 2462 2463void 2464siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2465{ 2466 bzero(dst, sizeof(*dst)); 2467 dst->si_signo = src->si_signo; 2468 dst->si_errno = src->si_errno; 2469 dst->si_code = src->si_code; 2470 dst->si_pid = src->si_pid; 2471 dst->si_uid = src->si_uid; 2472 dst->si_status = src->si_status; 2473 dst->si_addr = (uintptr_t)src->si_addr; 2474 dst->si_value.sival_int = src->si_value.sival_int; 2475 dst->si_timerid = src->si_timerid; 2476 dst->si_overrun = src->si_overrun; 2477} 2478 2479int 2480freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2481{ 2482 struct timespec32 ts32; 2483 struct timespec ts; 2484 struct timespec *timeout; 2485 sigset_t set; 2486 ksiginfo_t ksi; 2487 struct siginfo32 si32; 2488 int error; 2489 2490 if (uap->timeout) { 2491 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2492 if (error) 2493 return (error); 2494 ts.tv_sec = ts32.tv_sec; 2495 ts.tv_nsec = ts32.tv_nsec; 2496 timeout = &ts; 2497 } else 2498 timeout = NULL; 2499 2500 error = copyin(uap->set, &set, sizeof(set)); 2501 if (error) 2502 return (error); 2503 2504 error = kern_sigtimedwait(td, set, &ksi, timeout); 2505 if (error) 2506 return (error); 2507 2508 if (uap->info) { 2509 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2510 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2511 } 2512 2513 if (error == 0) 2514 td->td_retval[0] = ksi.ksi_signo; 2515 return (error); 2516} 2517 2518/* 2519 * MPSAFE 2520 */ 2521int 2522freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2523{ 2524 ksiginfo_t ksi; 2525 struct siginfo32 si32; 2526 sigset_t set; 2527 int error; 2528 2529 error = copyin(uap->set, &set, sizeof(set)); 2530 if (error) 2531 return (error); 2532 2533 error = kern_sigtimedwait(td, set, &ksi, NULL); 2534 if (error) 2535 return (error); 2536 2537 if (uap->info) { 2538 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2539 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2540 } 2541 if (error == 0) 2542 td->td_retval[0] = ksi.ksi_signo; 2543 return (error); 2544} 2545 2546int 2547freebsd32_cpuset_setid(struct thread *td, 2548 struct freebsd32_cpuset_setid_args *uap) 2549{ 2550 struct cpuset_setid_args ap; 2551 2552 ap.which = uap->which; 2553 ap.id = PAIR32TO64(id_t,uap->id); 2554 ap.setid = uap->setid; 2555 2556 return (sys_cpuset_setid(td, &ap)); 2557} 2558 2559int 2560freebsd32_cpuset_getid(struct thread *td, 2561 struct freebsd32_cpuset_getid_args *uap) 2562{ 2563 struct cpuset_getid_args ap; 2564 2565 ap.level = uap->level; 2566 ap.which = uap->which; 2567 ap.id = PAIR32TO64(id_t,uap->id); 2568 ap.setid = uap->setid; 2569 2570 return (sys_cpuset_getid(td, &ap)); 2571} 2572 2573int 2574freebsd32_cpuset_getaffinity(struct thread *td, 2575 struct freebsd32_cpuset_getaffinity_args *uap) 2576{ 2577 struct cpuset_getaffinity_args ap; 2578 2579 ap.level = uap->level; 2580 ap.which = uap->which; 2581 ap.id = PAIR32TO64(id_t,uap->id); 2582 ap.cpusetsize = uap->cpusetsize; 2583 ap.mask = uap->mask; 2584 2585 return (sys_cpuset_getaffinity(td, &ap)); 2586} 2587 2588int 2589freebsd32_cpuset_setaffinity(struct thread *td, 2590 struct freebsd32_cpuset_setaffinity_args *uap) 2591{ 2592 struct cpuset_setaffinity_args ap; 2593 2594 ap.level = uap->level; 2595 ap.which = uap->which; 2596 ap.id = PAIR32TO64(id_t,uap->id); 2597 ap.cpusetsize = uap->cpusetsize; 2598 ap.mask = uap->mask; 2599 2600 return (sys_cpuset_setaffinity(td, &ap)); 2601} 2602 2603int 2604freebsd32_nmount(struct thread *td, 2605 struct freebsd32_nmount_args /* { 2606 struct iovec *iovp; 2607 unsigned int iovcnt; 2608 int flags; 2609 } */ *uap) 2610{ 2611 struct uio *auio; 2612 uint64_t flags; 2613 int error; 2614 2615 /* 2616 * Mount flags are now 64-bits. On 32-bit archtectures only 2617 * 32-bits are passed in, but from here on everything handles 2618 * 64-bit flags correctly. 2619 */ 2620 flags = uap->flags; 2621 2622 AUDIT_ARG_FFLAGS(flags); 2623 2624 /* 2625 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2626 * userspace to set this flag, but we must filter it out if we want 2627 * MNT_UPDATE on the root file system to work. 2628 * MNT_ROOTFS should only be set by the kernel when mounting its 2629 * root file system. 2630 */ 2631 flags &= ~MNT_ROOTFS; 2632 2633 /* 2634 * check that we have an even number of iovec's 2635 * and that we have at least two options. 2636 */ 2637 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2638 return (EINVAL); 2639 2640 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2641 if (error) 2642 return (error); 2643 error = vfs_donmount(td, flags, auio); 2644 2645 free(auio, M_IOV); 2646 return error; 2647} 2648 2649#if 0 2650int 2651freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2652{ 2653 struct yyy32 *p32, s32; 2654 struct yyy *p = NULL, s; 2655 struct xxx_arg ap; 2656 int error; 2657 2658 if (uap->zzz) { 2659 error = copyin(uap->zzz, &s32, sizeof(s32)); 2660 if (error) 2661 return (error); 2662 /* translate in */ 2663 p = &s; 2664 } 2665 error = kern_xxx(td, p); 2666 if (error) 2667 return (error); 2668 if (uap->zzz) { 2669 /* translate out */ 2670 error = copyout(&s32, p32, sizeof(s32)); 2671 } 2672 return (error); 2673} 2674#endif 2675 2676int 2677syscall32_register(int *offset, struct sysent *new_sysent, 2678 struct sysent *old_sysent) 2679{ 2680 if (*offset == NO_SYSCALL) { 2681 int i; 2682 2683 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2684 if (freebsd32_sysent[i].sy_call == 2685 (sy_call_t *)lkmnosys) 2686 break; 2687 if (i == SYS_MAXSYSCALL) 2688 return (ENFILE); 2689 *offset = i; 2690 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2691 return (EINVAL); 2692 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2693 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2694 return (EEXIST); 2695 2696 *old_sysent = freebsd32_sysent[*offset]; 2697 freebsd32_sysent[*offset] = *new_sysent; 2698 return 0; 2699} 2700 2701int 2702syscall32_deregister(int *offset, struct sysent *old_sysent) 2703{ 2704 2705 if (*offset) 2706 freebsd32_sysent[*offset] = *old_sysent; 2707 return 0; 2708} 2709 2710int 2711syscall32_module_handler(struct module *mod, int what, void *arg) 2712{ 2713 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2714 modspecific_t ms; 2715 int error; 2716 2717 switch (what) { 2718 case MOD_LOAD: 2719 error = syscall32_register(data->offset, data->new_sysent, 2720 &data->old_sysent); 2721 if (error) { 2722 /* Leave a mark so we know to safely unload below. */ 2723 data->offset = NULL; 2724 return error; 2725 } 2726 ms.intval = *data->offset; 2727 MOD_XLOCK; 2728 module_setspecific(mod, &ms); 2729 MOD_XUNLOCK; 2730 if (data->chainevh) 2731 error = data->chainevh(mod, what, data->chainarg); 2732 return (error); 2733 case MOD_UNLOAD: 2734 /* 2735 * MOD_LOAD failed, so just return without calling the 2736 * chained handler since we didn't pass along the MOD_LOAD 2737 * event. 2738 */ 2739 if (data->offset == NULL) 2740 return (0); 2741 if (data->chainevh) { 2742 error = data->chainevh(mod, what, data->chainarg); 2743 if (error) 2744 return (error); 2745 } 2746 error = syscall32_deregister(data->offset, &data->old_sysent); 2747 return (error); 2748 default: 2749 error = EOPNOTSUPP; 2750 if (data->chainevh) 2751 error = data->chainevh(mod, what, data->chainarg); 2752 return (error); 2753 } 2754} 2755 2756int 2757syscall32_helper_register(struct syscall_helper_data *sd) 2758{ 2759 struct syscall_helper_data *sd1; 2760 int error; 2761 2762 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2763 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2764 &sd1->old_sysent); 2765 if (error != 0) { 2766 syscall32_helper_unregister(sd); 2767 return (error); 2768 } 2769 sd1->registered = 1; 2770 } 2771 return (0); 2772} 2773 2774int 2775syscall32_helper_unregister(struct syscall_helper_data *sd) 2776{ 2777 struct syscall_helper_data *sd1; 2778 2779 for (sd1 = sd; sd1->registered != 0; sd1++) { 2780 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2781 sd1->registered = 0; 2782 } 2783 return (0); 2784} 2785 2786register_t * 2787freebsd32_copyout_strings(struct image_params *imgp) 2788{ 2789 int argc, envc, i; 2790 u_int32_t *vectp; 2791 char *stringp, *destp; 2792 u_int32_t *stack_base; 2793 struct freebsd32_ps_strings *arginfo; 2794 char canary[sizeof(long) * 8]; 2795 int32_t pagesizes32[MAXPAGESIZES]; 2796 size_t execpath_len; 2797 int szsigcode; 2798 2799 /* 2800 * Calculate string base and vector table pointers. 2801 * Also deal with signal trampoline code for this exec type. 2802 */ 2803 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2804 execpath_len = strlen(imgp->execpath) + 1; 2805 else 2806 execpath_len = 0; 2807 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2808 sv_psstrings; 2809 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2810 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2811 else 2812 szsigcode = 0; 2813 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2814 roundup(execpath_len, sizeof(char *)) - 2815 roundup(sizeof(canary), sizeof(char *)) - 2816 roundup(sizeof(pagesizes32), sizeof(char *)) - 2817 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2818 2819 /* 2820 * install sigcode 2821 */ 2822 if (szsigcode != 0) 2823 copyout(imgp->proc->p_sysent->sv_sigcode, 2824 ((caddr_t)arginfo - szsigcode), szsigcode); 2825 2826 /* 2827 * Copy the image path for the rtld. 2828 */ 2829 if (execpath_len != 0) { 2830 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2831 copyout(imgp->execpath, (void *)imgp->execpathp, 2832 execpath_len); 2833 } 2834 2835 /* 2836 * Prepare the canary for SSP. 2837 */ 2838 arc4rand(canary, sizeof(canary), 0); 2839 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2840 sizeof(canary); 2841 copyout(canary, (void *)imgp->canary, sizeof(canary)); 2842 imgp->canarylen = sizeof(canary); 2843 2844 /* 2845 * Prepare the pagesizes array. 2846 */ 2847 for (i = 0; i < MAXPAGESIZES; i++) 2848 pagesizes32[i] = (uint32_t)pagesizes[i]; 2849 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2850 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2851 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2852 imgp->pagesizeslen = sizeof(pagesizes32); 2853 2854 /* 2855 * If we have a valid auxargs ptr, prepare some room 2856 * on the stack. 2857 */ 2858 if (imgp->auxargs) { 2859 /* 2860 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2861 * lower compatibility. 2862 */ 2863 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2864 : (AT_COUNT * 2); 2865 /* 2866 * The '+ 2' is for the null pointers at the end of each of 2867 * the arg and env vector sets,and imgp->auxarg_size is room 2868 * for argument of Runtime loader. 2869 */ 2870 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2871 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2872 sizeof(u_int32_t)); 2873 } else 2874 /* 2875 * The '+ 2' is for the null pointers at the end of each of 2876 * the arg and env vector sets 2877 */ 2878 vectp = (u_int32_t *) 2879 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2880 2881 /* 2882 * vectp also becomes our initial stack base 2883 */ 2884 stack_base = vectp; 2885 2886 stringp = imgp->args->begin_argv; 2887 argc = imgp->args->argc; 2888 envc = imgp->args->envc; 2889 /* 2890 * Copy out strings - arguments and environment. 2891 */ 2892 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2893 2894 /* 2895 * Fill in "ps_strings" struct for ps, w, etc. 2896 */ 2897 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2898 suword32(&arginfo->ps_nargvstr, argc); 2899 2900 /* 2901 * Fill in argument portion of vector table. 2902 */ 2903 for (; argc > 0; --argc) { 2904 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2905 while (*stringp++ != 0) 2906 destp++; 2907 destp++; 2908 } 2909 2910 /* a null vector table pointer separates the argp's from the envp's */ 2911 suword32(vectp++, 0); 2912 2913 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2914 suword32(&arginfo->ps_nenvstr, envc); 2915 2916 /* 2917 * Fill in environment portion of vector table. 2918 */ 2919 for (; envc > 0; --envc) { 2920 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2921 while (*stringp++ != 0) 2922 destp++; 2923 destp++; 2924 } 2925 2926 /* end of vector table is a null pointer */ 2927 suword32(vectp, 0); 2928 2929 return ((register_t *)stack_base); 2930} 2931 2932int 2933freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2934{ 2935 struct kld_file_stat stat; 2936 struct kld32_file_stat stat32; 2937 int error, version; 2938 2939 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2940 != 0) 2941 return (error); 2942 if (version != sizeof(struct kld32_file_stat_1) && 2943 version != sizeof(struct kld32_file_stat)) 2944 return (EINVAL); 2945 2946 error = kern_kldstat(td, uap->fileid, &stat); 2947 if (error != 0) 2948 return (error); 2949 2950 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2951 CP(stat, stat32, refs); 2952 CP(stat, stat32, id); 2953 PTROUT_CP(stat, stat32, address); 2954 CP(stat, stat32, size); 2955 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2956 return (copyout(&stat32, uap->stat, version)); 2957} 2958 2959int 2960freebsd32_posix_fallocate(struct thread *td, 2961 struct freebsd32_posix_fallocate_args *uap) 2962{ 2963 2964 return (kern_posix_fallocate(td, uap->fd, 2965 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); 2966} 2967 2968int 2969freebsd32_posix_fadvise(struct thread *td, 2970 struct freebsd32_posix_fadvise_args *uap) 2971{ 2972 2973 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2974 PAIR32TO64(off_t, uap->len), uap->advice)); 2975} 2976 2977int 2978convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2979{ 2980 2981 CP(*sig32, *sig, sigev_notify); 2982 switch (sig->sigev_notify) { 2983 case SIGEV_NONE: 2984 break; 2985 case SIGEV_THREAD_ID: 2986 CP(*sig32, *sig, sigev_notify_thread_id); 2987 /* FALLTHROUGH */ 2988 case SIGEV_SIGNAL: 2989 CP(*sig32, *sig, sigev_signo); 2990 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2991 break; 2992 case SIGEV_KEVENT: 2993 CP(*sig32, *sig, sigev_notify_kqueue); 2994 CP(*sig32, *sig, sigev_notify_kevent_flags); 2995 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2996 break; 2997 default: 2998 return (EINVAL); 2999 } 3000 return (0); 3001} 3002